Protein Information

Name Aldehyde dehydrogenases (protein family or complex)
Synonyms aldehyde dehydrogenase; aldehyde dehydrogenases

Compound Information

Name cyanamide
CAS cyanamide

Reference List

PubMed Abstract RScore(About this table)
2619564 Zimatkin SM: [Structural changes in the rat cerebral cortex induced by alcohol in combination with aldehyde dehydrogenase inhibitors]. Arkh Anat Gistol Embriol. 1989 Oct;97(10):13-20.

The cerebral parietal cortex in rats subjected to an acute (single) and subacute (for 5 days) ethanol effect in combination with aldehyde dehydrogenase (AldDG) (enzymes classification 1.2.1.3 AldDG) inhibitors--disulfiram and cyanamide--has been investigated histochemically and electron microscopically.
82(1,1,1,2) Details
9113267 Hartley DP, Petersen DR: Co-metabolism of ethanol, ethanol-derived acetaldehyde, and 4-hydroxynonenal in isolated rat hepatocytes. Alcohol Clin Exp Res. 1997 Apr;21(2):298-304.

To determine further if 4-HNE and ethanol are metabolized through the same metabolic pathways, cells were preincubated with either 4-methylpyrazole or cyanamide to inhibit alcohol dehydrogenase (E.C. 1.1.1.1.) and aldehyde dehydrogenase (E.C. 1.2.1.2.), respectively.
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2764709 Vasiliou V, Marselos M: Changes in the inducibility of a hepatic aldehyde dehydrogenase by various effectors. Arch Toxicol. 1989;63(3):221-5.

A hepatic soluble aldehyde dehydrogenase (ALDH), inducible by polycyclic aromatic hydrocarbons, was studied in Wistar rats in connection with substances known to affect drug metabolism or aldehyde dehydrogenase activity, such as phenobarbital (PB), disulfiram (DS), beta-diethylaminoethyl diphenylpropylacetate (SKF 525A) and calcium cyanamide (CC). 3-Methylcholanthrene (MC) was given as a model inducer of ALDH (100 mg/kg, i.p., as a single dose) and the animals were killed after 3 days.
32(0,1,1,2) Details
10514271 Conway TT, DeMaster EG, Goon DJ, Shirota FN, Nagasawa HT: Diethylcarbamoylating/nitroxylating agents as dual action inhibitors of aldehyde dehydrogenase: a disulfiram-cyanamide merger. J Med Chem. 1999 Oct 7;42(20):4016-20.
32(0,1,1,2) Details
15670664 You M, Crabb DW: Molecular mechanisms of alcoholic fatty liver: role of sterol regulatory element-binding proteins. Alcohol. 2004 Aug;34(1):39-43.

Whereas inhibition of ethanol oxidation by 4-methylpyrazole blocked the effect, the aldehyde dehydrogenase inhibitor cyanamide enhanced the effect of ethanol in the hepatoma cells, supporting the idea that the effect is likely mediated by acetaldehyde.
31(0,1,1,1) Details
3384064 Ali F, Persaud TV: Mechanisms of fetal alcohol effects: role of acetaldehyde. . Exp Pathol. 1988;33(1):17-21.

Pregnant rats were treated from day 9 through 12 of gestation with 12.5% ethanol, 25% ethanol, 1% acetaldehyde, cyanamide (an inhibitor of the enzyme aldehyde dehydrogenase), or a combination of cyanamide and ethanol.
31(0,1,1,1) Details
15623782 Choudhary S, Xiao T, Vergara LA, Srivastava S, Nees D, Piatigorsky J, Ansari NH: Role of aldehyde dehydrogenase isozymes in the defense of rat lens and human lens epithelial cells against oxidative stress. Invest Ophthalmol Vis Sci. 2005 Jan;46(1):259-67.

RESULTS: Rat lenses transfected with ALDH1A1-specific SiRNA, or cultured in the presence of the ALDH inhibitor cyanamide/disulfiram and subjected to oxidative stress displayed accelerated loss of transparency and a diminished capacity to oxidize HNE.
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3977944 Anderson RA Jr, Quigg JM, Oswald C, Zaneveld LJ: Demonstration of a functional blood-testis barrier to acetaldehyde. Biochem Pharmacol. 1985 Mar 1;34(5):685-95.

This functional blood-testis barrier to acetaldehyde could be explained by testicular aldehyde dehydrogenases in the mitochondria (Km for acetaldehyde = 1.5 microM) and in the cytosol (Km = 123 microM) whose maximal activities totaled to more than 25-fold greater than that of testicular alcohol dehydrogenase (ADH).
Pargyline (100 mg/kg) or cyanamide (8.4 mg/kg) increased (P less than 0.05) plasma and testicular acetaldehyde, while having no effect on the testosterone response to ethanol.
2(0,0,0,2) Details
1987314 Zimatkin SM: Histochemical study of aldehyde dehydrogenase in the rat CNS. J Neurochem. 1991 Jan;56(1):1-11.

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6347204 Dawson AG: Ethanol oxidation in systems containing soluble and mitochondrial fractions of rat liver. Biochem Pharmacol. 1983 Jul 15;32(14):2157-65.

Mitochondria, because of their relatively high aldehyde dehydrogenase (ALDH) activity, prevented the accumulation of acetaldehyde, or quickly removed acetaldehyde already accumulated.
Cyanamide, an inhibitor of mitochondrial ALDH, blocked the stimulatory effect of mitochondria on ethanol oxidation.
1(0,0,0,1) Details
8986222 Fujimiya T, Li YJ, Uemura K, Ohbora Y, Komura S: Noncompetitive-like inhibition of ethanol elimination by cyanamide treatment: pharmacokinetic study. Alcohol Clin Exp Res. 1996 Dec;20(9 Suppl):278A-283A.

We examined the pharmacokinetic mechanism of the inhibition of ethanol metabolism by cyanamide, an inhibitor of mitochondrial aldehyde dehydrogenase.
1(0,0,0,1) Details
10826131 Colom H, Prunonosa J, Peraire C, Domenech J, Azcona O, Torrent J, Obach R: Absolute bioavailability and absorption profile of cyanamide in man. J Pharmacokinet Biopharm. 1999 Aug;27(4):421-36.

A pharmacokinetic study of cyanamide, an inhibitor of aldehyde dehydrogenase (EC1.2.1.3) used as an adjuvant in the aversive therapy of chronic alcoholism, has been carried out in healthy male volunteers following intravenous and oral administration.
1(0,0,0,1) Details
1418657 Nagasawa HT, Lee MJ, Kwon CH, Shirota FN, DeMaster EG: An N-hydroxylated derivative of cyanamide that inhibits yeast aldehyde dehydrogenase. Alcohol. 1992 Sep-Oct;9(5):349-53.
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11095510 Kinoshita H, Jessop DS, Finn DP, Coventry TL, Roberts DJ, Ameno K, Ijiri I, Harbuz MS: Acute ethanol decreases NPY mRNA but not POMC mRNA in the arcuate nucleus. . Neuroreport. 2000 Nov 9;11(16):3517-9.

Acetaldehyde was increased in blood following ethanol with cyanamide (a potent inhibitor of aldehyde dehydrogenase) administration.
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6753841 DeMaster EG, Kaplan E, Shirota FN, Nagasawa HT: Metabolic activation of cyanamide by liver mitochondria, a requirement for the inhibition of aldehyde dehydrogenase enzymes. Biochem Biophys Res Commun. 1982 Aug 31;107(4):1333-9.
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7894532 Pronko P, Zimatkin S, Kuzmich A: Effect of aldehyde dehydrogenase and alcohol dehydrogenase inhibitors and ethanol on blood and liver ketone bodies in the rat. Pol J Pharmacol. 1994 Sep-Oct;46(5):445-9.

The effects of the aldehyde dehydrogenase (ALDH) inhibitors: cyanamide (CY) and disulfiram (DS) and the alcohol dehydrogenase (ADH) inhibitor, pyrazole (PY) and the combination of these drugs with ethanol (ET, 3.5 g/kg, ip 6 h before decapitation) on the concentrations of rat blood and liver ketone bodies were studied.
32(0,1,1,2) Details
10680717 Shoeman DW, Shirota FN, DeMaster EG, Nagasawa HT: Reaction of nitroxyl, an aldehyde dehydrogenase inhibitor, with N-acetyl-L-cysteine. Alcohol. 2000 Jan;20(1):55-9.

Nitroxyl (HNO) is the aldehyde dehydrogenase (AIDH) inhibitor produced by catalase action on cyanamide.
32(0,1,1,2) Details
12850777 Adachi J, Kudo R, Nushida H, Ueno Y, Koll M, Preedy VR: Fatty acid profile in skeletal muscle of the rat in response to acute (2.5 hours) and prolonged (6 weeks) ethanol-dosage. Addict Biol. 2003 Jun;8(2):181-9.

There were four groups: (A) saline (control); (B) cyanamide (an aldehyde dehydrogenase inhibitor); (C) ethanol; and (D) cyanamide + ethanol.
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11022051 Galli A, Pinaire J, Fischer M, Dorris R, Crabb DW: The transcriptional and DNA binding activity of peroxisome proliferator-activated receptor alpha is inhibited by ethanol metabolism. J Biol Chem. 2001 Jan 5;276(1):68-75.

This effect of ethanol was abolished by the alcohol dehydrogenase inhibitor 4-methylpyrazole and augmented by the aldehyde dehydrogenase inhibitor cyanamide, indicating that acetaldehyde was responsible for the action of ethanol.
31(0,1,1,1) Details
3620014 Spivak K, Aragon CM, Amit Z: Alterations in brain aldehyde dehydrogenase activity modify the locomotor effects produced by ethanol in rats. Alcohol Drug Res. 1987;7(5-6):481-91.

Cyanamide, an ALDH inhibitor elevates blood acetaldehyde levels in the presence of ethanol.
2(0,0,0,2) Details
6391253 Stowell A, Johnsen J, Aune H, Vatne K, Ripel A, Morland J: A reinvestigation of the usefulness of breath analysis in the determination of blood acetaldehyde concentrations. Alcohol Clin Exp Res. 1984 Sep-Oct;8(5):442-7.


They were also given ethanol (0.2 g/kg) intravenous 4 hr after receiving a dose of 50 mg citrated calcium carbimide, an aldehyde dehydrogenase inhibitor.
2(0,0,0,2) Details
18272654 Huellner MW, Schrepfer S, Weyand M, Weiner H, Wimplinger I, Eschenhagen T, Rau T: Inhibition of aldehyde dehydrogenase type 2 attenuates vasodilatory action of nitroglycerin in human veins. FASEB J. 2008 Jul;22(7):2561-8. Epub 2008 Feb 13.

In vitro contraction experiments were performed in the presence or absence of the ALDH inhibitors chloral hydrate, cyanamide, and ethoxycyclopropanol.
2(0,0,0,2) Details
1416058 Gilani S, Persaud TV: Embryonic development in the chick following exposure to ethanol, acetaldehyde and cyanamide. Ann Anat. 1992 Aug;174(4):305-8.

The influence of cyanamide, an inhibitor of aldehyde dehydrogenase, on the embryopathic effects of ethanol and acetaldehyde, was investigated in the chick embryo.
1(0,0,0,1) Details
7136724 Tottmar O, Hellstrom E, Holmberg K, Lindros KO: Effects of dopamine-beta-hydroxylase inhibitors FLA-57 and FLA-63 on ethanol metabolism and aldehyde dehydrogenase activity in rats. Acta Pharmacol Toxicol. 1982 Sep;51(3):198-202.

FLA-63 inhibited the low-Km enzyme in vitro, but much less than the ALDH-inhibitors disulfiram and cyanamide.
1(0,0,0,1) Details
707135 Marchner H, Tottmar O: A comparative study on the effects of disulfiram, cyanamide and 1-aminocyclopropanol on the acetaldehyde metabolism in rats. Acta Pharmacol Toxicol. 1978 Sep;43(3):219-32.

1-aminocyclopropanol (ACP) is a potent inhibitor of aldehyde dehydrogenase (ALDH) in vivo and in vitro.
1(0,0,0,1) Details
18317950 Vary TC, Lang CH: Differential phosphorylation of translation initiation regulators 4EBP1, S6k1, and Erk 1/2 following inhibition of alcohol metabolism in mouse heart. Cardiovasc Toxicol. 2008 Mar;8(1):23-32. Epub 2008 Mar 4.

Pretreatment with cyanamide, an inhibitor of aldehyde dehydrogenase, did not attenuate the ethanol-induced decrease in phosphorylation S6k1 (Thr (389)), but partially prevented the ethanol-induced lowering of 4EBP1 phosphorylation.
The studies indicate that modulation of ethanol metabolism through inhibition of ADH or aldehyde dehydrogenase leads to preferential modulation of the phosphorylation of distinct myocardial signaling systems involved in regulating protein synthesis.
1(0,0,0,1) Details
10715166 Cohen JF, Elberling JA, DeMaster EG, Lin RC, Nagasawa HT: N-Terminal dipeptides of D (-)-penicillamine as sequestration agents for acetaldehyde. J Med Chem. 2000 Mar 9;43(5):1029-33.

The presence of cyanamide (an inhibitor of aldehyde dehydrogenase) in the incubation medium resulted in a 45-fold increase in ethanol-derived AcH; nevertheless, dipeptides 6a and 6c (D-penicillamyl-alpha-aminoisobutyric acid) were able to reduce this AcH level by approximately one-third.
The presence of cyanamide (an inhibitor of aldehyde dehydrogenase) in the incubation medium resulted in a 45-fold increase in ethanol-derived AcH; nevertheless, dipeptides 6a and 6c (D-penicillamyl-alpha-aminoisobutyric acid) were able to reduce this AcH level by approximately one-third.
1(0,0,0,1) Details
10723960 Ijiri I: [Biological actions of acetaldehyde] . Nihon Hoigaku Zasshi. 1999 Nov;53(3):285-95.

After pretreatment with cyanamide (CY), a potent inhibitor of aldehyde dehydrogenase, or pyrazole (PY), a potent inhibitor of alcohol dehydrogenase, a 17% EtOH solution (0.4 g/kg) was administered into the jejunum segment, and 150 min after the administration of EtOH, the fluid from the segment was collected to determine its volume and EtOH concentration.
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11524301 Kinoshita H, Ijiri I, Ameno S, Kubota T, Zhang X, Hishida S, Ameno K: Cholinergic nerves mediate acetaldehyde action in the gastrointestinal tract. Alcohol Alcohol. 2001 Sep-Oct;36(5):377-80.

We used atropine (AT), atropine methylbromide (ATMB), pirenzepine (PI), bethanechol (BE) and pilocarpine (PL) with or without cyanamide (CY; a potent inhibitor of aldehyde dehydrogenase, which induces high AcH concentration in blood).
81(1,1,1,1) Details
9191964 Shirota FN, Stevens-Johnk JM, DeMaster EG, Nagasawa HT: Novel prodrugs of cyanamide that inhibit aldehyde dehydrogenase in vivo. J Med Chem. 1997 Jun 6;40(12):1870-5.
81(1,1,1,1) Details
564706 Tottmar O, Marchner H, Karlsson N: The presence of an aldehyde dehydrogenase inhibitor in animal diets and its effects on the experimental results in alcohol studies. Br J Nutr. 1978 Mar;39(2):317-24.

The effects of chronic ethanol administration on the metabolism of ethanol and acetaldehyde were studied in rats fed on a commercial diet containing an aldehyde dehydrogenase inhibitor, calcium cyanamide (calcium carbimide), as a contaminant in the calcinated bone-meal fraction of the diet. 2.
32(0,1,1,2) Details
4041987 Brien JF, Tam GS, Cameron RJ, Steenaart NA, Loomis CW: A comparative study of the inhibition of hepatic aldehyde dehydrogenases in the rat by methyltetrazolethiol, calcium carbimide, and disulfiram. Can J Physiol Pharmacol. 1985 May;63(5):438-43.

The time course of MTT-induced inhibition of hepatic aldehyde dehydrogenases (ALDH) was determined in adult, male Sprague-Dawley rats in comparison with the hepatic ALDH inhibition induced by calcium carbimide (calcium cyanamide, CC) and disulfiram (D).
32(0,1,1,2) Details
12655465 Escarabajal MD, De Witte P, Quertemont E: Role of acetaldehyde in ethanol-induced conditioned taste aversion in rats. Psychopharmacology. 2003 May;167(2):130-6. Epub 2003 Mar 25.

In a second experiment, cyanamide, an aldehyde dehydrogenase inhibitor, was administered before conditioning with either ethanol or acetaldehyde to investigate the effects of acetaldehyde accumulation.
31(0,1,1,1) Details
6686442 Korsten MA, Gordon ER, Klingenstein J, Lieber CS: Effects of chronic ethanol feeding and acetaldehyde metabolism on calcium transport by rat liver mitochondria. Biochem Biophys Res Commun. 1983 Nov 30;117(1):169-75.

The in vitro actions of acetaldehyde appear to be mediated, in part, by its metabolism in mitochondria since pretreatment of rats with cyanamide (an aldehyde dehydrogenase inhibitor) prevents this effect.
31(0,1,1,1) Details
3966800 Svanas GW, Weiner H: Aldehyde dehydrogenase activity as the rate-limiting factor for acetaldehyde metabolism in rat liver. Arch Biochem Biophys. 1985 Jan;236(1):36-46.

To confirm that ALDH activity was the rate-limiting factor, low-Km ALDH in slices or intact mitochondria was partially inhibited by treatment with cyanamide and the rate of acetaldehyde metabolism measured.
2(0,0,0,2) Details
14690875 Quintanilla ME, Tampier L: Brain mitochondrial aldehyde dehydrogenase: relation to acetaldehyde aversion in low-alcohol-drinking (UChA) and high-alcohol-drinking (UChB) rats. Addict Biol. 2003 Dec;8(4):387-97.

In experiment 2, the possibility that the inhibition of the brain ALDH2 would lower the AcH aversion threshold in both lines was studied by determining the effect of cyanamide (10 mg/kg i.p.) pretreatment, an inhibitor of ALDH, on AcH aversion, blood AcH levels and brain ALDH2 activity.
2(0,0,0,2) Details
3801056 Jaeschke H, Kleinwaechter C, Wendel A: The role of acrolein in allyl alcohol-induced lipid peroxidation and liver cell damage in mice. Biochem Pharmacol. 1987 Jan 1;36(1):51-7.

In vivo-inhibition of alcohol dehydrogenase by pyrazole or induction of aldehyde dehydrogenase by phenobarbital abolished AA-induced liver damage as well as glutathione depletion and lipid peroxidation, while inhibition of aldehyde dehydrogenase by cyanamide made a subtoxic dose of AA (0.60 mmol/kg) highly toxic.
81(1,1,1,1) Details
12217933 Kinoshita H, Jessop DS, Roberts DJ, Ameno K, Ijiri I, Hishida S, Harbuz MS: Effects of acetaldehyde on c-fos mRNA induction in the paraventricular nucleus following ethanol administration. Alcohol Alcohol. 2002 Sep-Oct;37(5):432-5.

METHODS: Increases in acetaldehyde concentrations were induced using cyanamide (a potent inhibitor of aldehyde dehydrogenase), in the presence of two different doses of ethanol.
81(1,1,1,1) Details
3342079 DeMaster EG, Stevens JM: Acute effects of the aldehyde dehydrogenase inhibitors, disulfiram, pargyline and cyanamide, on circulating ketone body levels in the rat. Biochem Pharmacol. 1988 Jan 15;37(2):229-34.
32(0,1,1,2) Details
7424727 Sinclair JD, Lindros KO, Terho K: Aldehyde dehydrogenase inhibitors and voluntary ethanol drinking by rats. Adv Exp Med Biol. 1980;132:481-7.

Aldehyde dehydrogenase (ALDH) inhibitors, cyanamide (200 mg or 40 mg/kg food) and coprine (N5-(hydroxycyclopropyl)-L-glutamine, 500 mg/kg food), strongly suppressed, with similar time courses, the free-choice consumption of 10% v/v ethanol.
32(0,1,1,2) Details
4062972 Eriksson CJ: Endogenous acetaldehyde in rats. Biochem Pharmacol. 1985 Nov 15;34(22):3979-82.

Male Long-Evans rats consumed the alcohol and aldehyde dehydrogenase inhibitors pyrazole, cyanamide or disulfiram, for 6 days.
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15034202 Aberle NS 2nd, Picklo MJ Sr, Amarnath V, Ren J: Inhibition of cardiac myocyte contraction by 4-hydroxy-trans-2-nonenal. Cardiovasc Toxicol. 2004;4(1):21-8.

Interestingly, the HNE-induced cardiac mechanical effects (with the exception of shortened time-PS) were abolished by either the aldehyde dehydrogenase inhibitor cyanamide or the p38 mitogen-activated protein kinase inhibitor SB203580.
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1449559 Preedy VR, Keating JW, Peters TJ: The acute effects of ethanol and acetaldehyde on rates of protein synthesis in type I and type II fibre-rich skeletal muscles of the rat. Alcohol Alcohol. 1992 May;27(3):241-51.

Young rats were injected with either ethanol (75 mmol/kg), acetaldehyde (2.8 mmol/kg) or isovolumetric amounts of NaCl (0.15 mol/l, i.e. controls) with or without inhibitors of alcohol dehydrogenase (4-methylpyrazole) or aldehyde dehydrogenase (cyanamide).
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8861782 Khan S, Sood C, O'Brien PJ: The involvement of cytochrome P4502E1 in 2-bromoethanol-induced hepatocyte cytotoxicity. Pharmacol Toxicol. 1996 Apr;78(4):241-8.

Furthermore, aldehyde dehydrogenase inhibitors-cyanamide or chloral hydrate increased 2-bromoethanol dependent hepatocyte susceptibility.
31(0,1,1,1) Details
15288585 de la Lande IS, Stepien JM, Philpott AC, Hughes PA, Stafford I, Horowitz JD: Aldehyde dehydrogenase, nitric oxide synthase and superoxide in ex vivo nitrate tolerance in rat aorta. Eur J Pharmacol. 2004 Aug 2;496(1-3):141-9.

ALDH inhibitors, chloral hydrate (0.3 mM) and cyanamide (0.1-1 mM) inhibited relaxation to glyceryl trinitrate in non-tolerant and tolerant arteries.
2(0,0,0,2) Details
18445101 Tampier L, Quintanilla ME, Israel Y: Tolerance to disulfiram induced by chronic alcohol intake in the rat. Alcohol Clin Exp Res. 2008 Jun;32(6):937-41. Epub 2008 Apr 26.

BACKGROUND: Disulfiram, an inhibitor of aldehyde dehydrogenase used in the treatment of alcoholism, is an effective medication when its intake is supervised by a third person.
Subsequently, animals in both groups were administered disulfiram or cyanamide (another inhibitor of aldehyde dehydrogenase) and ethanol intake in this free choice paradigm was determined.
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1008896 Deitrich RA, Troxell PA, Worth WS: Inhibition of aldehyde dehydrogenase in brain and liver by cyanamide. Biochem Pharmacol. 1976 Dec 15;25(24):2733-7.
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1472315 Gapstur SM, DeMaster EG, Potter JD, Belcher JD, Gross MD: The formation of stable acetaldehyde-hemoglobin adducts in a red blood cell model. Alcohol. 1992 Nov-Dec;9(6):563-9.

The rapid disappearance of acetaldehyde due to oxidation by RBC aldehyde dehydrogenase was prevented by pretreating the cells with the inhibitor cyanamide.
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518666 Kitson TM, Crow KE: Studies on possible mechanisms for the interaction between cyanamide and aldehyde dehydrogenase. Biochem Pharmacol. 1979 Sep 1;28(17):2551-6.
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8442888 Myers RD, Lankford M, Bjork A: Irreversible suppression of alcohol drinking in cyanamide-treated rats after sustained delivery of the 5-HT2 antagonist amperozide. Alcohol. 1993 Mar-Apr;10(2):117-25.

Preference for alcohol first was induced pharmacologically in Sprague-Dawley rats by the inhibitor of aldehyde dehydrogenase, cyanamide, administered in a dose of 10 mg/kg twice daily for 3 days.
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12960514 Jamal M, Ameno K, Ameno S, Okada N, Ijiri I: In vivo study of salsolinol produced by a high concentration of acetaldehyde in the striatum and nucleus accumbens of free-moving rats. Alcohol Clin Exp Res. 2003 Aug;27(8 Suppl):79S-84S.

METHODS: After the insertion of a microdialysis probe, male Wistar rats (250-300 g) were treated with cyanamide (CY, a potent aldehyde dehydrogenase inhibitor) + ethanol (EtOH), CY + 4-methylpyrazole (4-MP, a strong alcohol dehydrogenase inhibitor) + EtOH, 4-MP + EtOH, CY, and 4-MP.
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7243831 Eriksson CJ, Deitrich RA: Evidence against a biphasic effect of acetaldehyde on voluntary ethanol consumption in rats. Pharmacol Biochem Behav. 1980;13 Suppl 1:291-6.

One group received the aldehyde dehydrogenase inhibitor, cyanamide, in their diet and an oral ethanol dose of 2 g/kg for 5 days.
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8332634 Myers RD, Lankford MF, Bjork A: 5-HT2 receptor blockade by amperozide suppresses ethanol drinking in genetically preferring rats. Pharmacol Biochem Behav. 1993 Jul;45(3):741-7.

Previously, it was shown that the unique diphenylbutylpiperazinecarboxamide derivative, amperozide (FG 5606), inhibits the volitional drinking of ethanol induced in the rat by the inhibitor of aldehyde dehydrogenase, cyanamide.
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8032311 Fujita M, Sano M, Yoshino K, Tomita I: Effects of aldehyde dehydrogenase and glutathione on the degradation of (E)-4-hydroxy-2-nonenal and N-hexanal in rat liver. Biochem Mol Biol Int. 1994 Mar;32(3):429-34.

When lipid peroxidation was induced by t-butyl hydroperoxide, the ratio of HA to 4HN production in the liver of rats pretreated with the ALDH inhibitor, cyanamide (100 mg/kg, i.p.) was higher than that in controls, whereas the ratio was lower in the liver of rats pretreated with the glutathione-depleting agent, phorone (250 mg/kg, i.p.).
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1472305 Barwick VS, Myers RD: Age dependent development of ethanol drinking in rats after inhibition of aldehyde dehydrogenase. Alcohol. 1992 Nov-Dec;9(6):501-7.

To induce preference for ethanol, the AlDH inhibitor, cyanamide, was administered to male Sprague-Dawley rats which were 30 days of age.
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10416267 Stanek JJ, Morris JB: The effect of inhibition of aldehyde dehydrogenase on nasal uptake of inspired acetaldehyde. Toxicol Sci. 1999 Jun;49(2):225-31.

To provide such information, uptake of inspired acetaldehyde was measured at an inspiratory flow rate that approximated the minute ventilation rate in the surgically isolated nasal cavity of F 344 rats pretreated with either saline (control) or the ALDH inhibitor, cyanamide (10 mg/kg s.c.).
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8507395 Singh GK, Kalmus GW, Bjork AK, Myers RD: Alcohol drinking in rats is attenuated by the mixed 5-HT1 agonist/5-HT2 antagonist FG 5893. Alcohol. 1993 May-Jun;10(3):243-8.

To induce preference for alcohol in Sprague-Dawley rats, the enzyme aldehyde dehydrogenase was inhibited by cyanamide administered in the absence of alcohol in a dose of 10 mg/kg twice a day over three days.
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3021086 Bruguera M, Lamar C, Bernet M, Rodes J: Hepatic disease associated with ground-glass inclusions in hepatocytes after cyanamide therapy. Arch Pathol Lab Med. 1986 Oct;110(10):906-10.

The use of cyanamide (Colme), an inhibitor of aldehyde dehydrogenase could be documented in 11 instances.
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9714321 DeMaster EG, Redfern B, Nagasawa HT: Mechanisms of inhibition of aldehyde dehydrogenase by nitroxyl, the active metabolite of the alcohol deterrent agent cyanamide. Biochem Pharmacol. 1998 Jun 15;55(12):2007-15.
81(1,1,1,1) Details
3508430 Younes M, Strubelt O: Alcohol-induced hepatotoxicity: a role for oxygen free radicals. Free Radic Res Commun. 1987;3(1-5):19-26.

Inhibition of alcohol dehydrogenase by 4-methylpyrazole or of aldehyde dehydrogenase by cyanamide totally abolished ethanol hepatotoxicity despite of a severalfold increase in acetaldehyde concentration in the perfusate.
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9539382 West MW, Biggs TA, Tavares E, Lankford MF, Myers RD: Drinking patterns in genetic low-alcohol-drinking (LAD) rats after systemic cyanamide and cerebral injections of THP or 6-OHDA. Alcohol. 1998 Apr;15(3):239-47.

Then a saline vehicle or either 10 or 20 mg/kg of the aldehyde dehydrogenase (AIDH) inhibitor, cyanamide, was injected s.c. twice daily for 3 days.
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3570159 Volentine GD, Ogden KA, Kortje DK, Tuma DJ, Sorrell MF: Role of acetaldehyde in the ethanol-induced impairment of hepatic glycoprotein secretion in the rat in vivo. Hepatology. 1987 May-Jun;7(3):490-5.

This study used cyanamide, an aldehyde dehydrogenase inhibitor, to correlate enhanced acetaldehyde levels with an increased ethanol-induced inhibition of hepatic protein secretion.
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7162223 Jarbe TU, Hiltunen AJ, Swedberg MD: Ethanol as a discriminative stimulus: effects of cyanamide, acetaldehyde and chlormethiazole. Med Biol. 1982 Dec;60(6):298-306.

Acetaldehyde and a combination of cyanamide, an aldehyde dehydrogenase inhibitor, plus ETOH were tested to determine if augmented levels of acetaldehyde would enhance ETOH-like responses.
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19719790 Closon C, Didone V, Tirelli E, Quertemont E: Acetaldehyde and the hypothermic effects of ethanol in mice. Alcohol Clin Exp Res. 2009 Nov;33(11):2005-14. Epub 2009 Aug 31.

Experiment 2 tested the effects of a pretreatment with the aldehyde dehydrogenase (ALDH) inhibitor cyanamide (25 mg/kg) on ethanol- and acetaldehyde-induced hypothermia.
31(0,1,1,1) Details
525358 Tottmar O, Hellstrom E: Blood pressure response to ethanol in relation to acetaldehyde levels and dopamine-beta-hydroxylase activity in rats pretreated with disulfiram, cyanamide and coprine. Acta Pharmacol Toxicol. 1979 Oct;45(4):272-81.

The blood pressure response after ethanol administration was studied in relation to blood acetaldehyde levels, aldehyde-dehydrogenase (ALDH)--and dopamine-beta-hydroxylase (DBH) activities in rats pretreated with the ethanol-sensitizing compounds disulfiram, cyanamide and coprine and the DBH-inhibitor FLA-57.
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14630370 Jamal M, Ameno K, Kumihashi M, Ameno S, Kubota T, Wang W, Ijiri I: Microdialysis for the determination of acetaldehyde and ethanol concentrations in the striatum of freely moving rats. J Chromatogr B Analyt Technol Biomed Life Sci. 2003 Dec 5;798(1):155-8.

Rats were treated with cyanamide (100mg/kg, a potent aldehyde dehydrogenase inhibitor) and 60 min later with EtOH (1g/kg) intraperitoneally.
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14573760 DiFabio J, Ji Y, Vasiliou V, Thatcher GR, Bennett BM: Role of mitochondrial aldehyde dehydrogenase in nitrate tolerance. Mol Pharmacol. 2003 Nov;64(5):1109-16.

To investigate the role of this enzyme in GTN tolerance, cumulative GTN concentration-response curves were obtained for both GTN-tolerant and -nontolerant rat aortic rings treated with the ALDH inhibitor cyanamide or the ALDH substrate propionaldehyde.
1(0,0,0,1) Details
1913679 Kalechman Y, Barkai IS, Albeck M, Horwith G, Sehagl SN, Sredni B: Use and mechanism of action of AS101 in protecting bone marrow colony forming units-granulocyte-macrophage following purging with ASTA-Z 7557. Cancer Res. 1991 Oct 15;51(20):5614-20.

We show that AS101 protection from the toxic effects of ASTA-Z in vitro and CTX in vivo can be partially ascribed to increased aldehyde dehydrogenase (ALDH) activity induced by AS101.
This was shown directly by measuring cellular ALDH activity and indirectly by measuring the toxicity of ASTA-Z and CTX in the presence of cyanamide, an inhibitor of ALDH.
1(0,0,0,1) Details
8435094 Khan S, Sood C, O'Brien PJ: Molecular mechanisms of dibromoalkane cytotoxicity in isolated rat hepatocytes. Biochem Pharmacol. 1993 Jan 26;45(2):439-47.

Furthermore, hepatocyte susceptibility to dibromoalkanes was increased markedly if aldehyde dehydrogenase was inactivated with disulfiram, cyanamide or chloral hydrate.
81(1,1,1,1) Details
3426683 Shirota FN, DeMaster EG, Kwon CH, Nagasawa HT: Metabolism of cyanamide to cyanide and an inhibitor of aldehyde dehydrogenase (ALDH) by rat liver microsomes. Alcohol Alcohol Suppl. 1987;1:219-23.
81(1,1,1,1) Details
6992725 Lamboeuf Y, De Saint Blanquat G: Effects of cyanamide and clofibrate on the enzymes of ethanol oxydation and on ethanol consumption in the rat. Arch Int Pharmacodyn Ther. 1980 Jan;243(1):17-26.

Both substances reduce alcohol consumption by about 35% and cause metabolic modifications: inhibition of aldehyde dehydrogenase and of catalase by cyanamide; activation of alcohol- and aldehyde-dehydrogenases by clofibrate.
81(1,1,1,1) Details
3772041 Sano M, Motchnik PA, Tappel AL: Halogenated hydrocarbon and hydroperoxide-induced peroxidation in rat tissue slices. J Free Radic Biol Med. 1986;2(1):41-8.

Treatment of rats with cyanamide, an aldehyde dehydrogenase inhibitor, increased the total CHDRS in liver slices and medium after incubation with BHP or BrCCl3.
31(0,1,1,1) Details
14691387 Niemela O, Parkkila S, Worrall S, Emery PW, Preedy VR: Generation of aldehyde-derived protein modifications in ethanol-exposed heart. Alcohol Clin Exp Res. 2003 Dec;27(12):1987-92.

Specimens of heart tissue were obtained from rats after intraperitoneal injections with alcohol (75 mmol/kg body weight) with or without pretreatment with cyanamide (0.05 mmol/kg body weight), an aldehyde dehydrogenase inhibitor.
31(0,1,1,1) Details
17045751 Jamal M, Ameno K, Ameno S, Morishita J, Wang W, Kumihashi M, Ikuo U, Miki T, Ijiri I: Changes in cholinergic function in the frontal cortex and hippocampus of rat exposed to ethanol and acetaldehyde. Neuroscience. 2007 Jan 5;144(1):232-8. Epub 2006 Oct 11.

The control group was treated with 0.9% saline, and other groups received EtOH or cyanamide (CY, 50 mg/kg, a potent aldehyde dehydrogenase inhibitor) and 60 min later by EtOH intraperitoneally.
31(0,1,1,1) Details
11835630 Burcham PC, Fontaine F: Extensive protein carbonylation precedes acrolein-mediated cell death in mouse hepatocytes. J Biochem Mol Toxicol. 2001;15(6):309-16.

Conversely, cyanamide, an aldehyde dehydrogenase inhibitor, enhanced cytotoxicity and protein carbonylation.
31(0,1,1,1) Details
11337982 Adachi J, Asano M, Ueno Y, Marway JS, Camilleri PM, Peters TJ, Preedy VR: Acute effect of ethanol on 7-hydroperoxycholesterol in muscle and liver. . Lipids. 2001 Mar;36(3):267-71.

We tested the hypotheses that ethanol sensitivities of muscle and liver can be discerned in the initial periods of ethanol exposure, especially when acetaldehyde levels are markedly raised with cyanamide, an aldehyde dehydrogenase inhibitor.
31(0,1,1,1) Details
11981770 Clemens DL, Forman A, Jerrells TR, Sorrell MF, Tuma DJ: Relationship between acetaldehyde levels and cell survival in ethanol-metabolizing hepatoma cells. Hepatology. 2002 May;35(5):1196-204.

Furthermore, treatment of ethanol-metabolizing VA cells with the aldehyde dehydrogenase inhibitor, cyanamide, increased the levels of acetaldehyde and resulted in an additional reduction in cell number.
31(0,1,1,1) Details
1932606 Obach R, Torrent J, Colom H, Prunonosa J, Peraire C, Domenech J: Pharmacokinetics and oral bioavailability of carbimide in man. Biopharm Drug Dispos. 1991 Aug-Sep;12(6):425-34.


A pharmacokinetic study of carbimide, an inhibitor of aldehyde dehydrogenase, used as an adjuvant in the aversive therapy of chronic alcoholism, has been carried out in male human volunteers for intravenous and oral administration.
1(0,0,0,1) Details
11139417 Kinoshita H, Jessop DS, Finn DP, Coventry TL, Roberts DJ, Ameno K, Jiri I, Harbuz MS: Acetaldehyde, a metabolite of ethanol, activates the hypothalamic-pituitary-adrenal axis in the rat. Alcohol Alcohol. 2001 Jan-Feb;36(1):59-64.

Cyanamide is a potent inhibitor of aldehyde dehydrogenase (ALDH: EC 1.2.1.3) used in the treatment of alcoholics.
81(1,1,1,1) Details
10718921 Kinoshita H, Jessop DS, Finn DP, Harbuz MS: Cyanamide-induced activation of the hypothalamo-pituitary-adrenal axis. J Neuroendocrinol. 2000 Mar;12(3):255-62.

The present study investigated the effects of acute administration of cyanamide (a potent inhibitor of aldehyde dehydrogenase used to treat alcoholics), on the hypothalamo-pituitary adrenal (HPA)-axis.
81(1,1,1,1) Details
9615272 Altomare E, Grattagliano I, Didonna D, Gentile A, Vendemiale G: Gastric and intestinal ethanol toxicity in the rat. Ital J Gastroenterol Hepatol. 1998 Feb;30(1):82-90.

Cimetidine and cyanamide inhibited by 50% the activity of alcohol dehydrogenase and by 80% aldehyde dehydrogenase, respectively, in the gastric and intestinal mucosa.
81(1,1,1,1) Details
3761311 Kwon CH, Nagasawa HT, DeMaster EG, Shirota FN: Acyl, N-protected alpha-aminoacyl, and peptidyl derivatives as prodrug forms of the alcohol deterrent agent cyanamide. J Med Chem. 1986 Oct;29(10):1922-9.

Cyanamide (H2NC identical to N), a potent aldehyde dehydrogenase (AlDH) inhibitor that is used therapeutically as an alcohol deterrent agent, is known to be rapidly metabolized and excreted in the urine as acetylcyanamide (1).
31(0,1,1,1) Details
1845547 Lin RC, Lumeng L: Formation of the 37KD liver protein-acetaldehyde adduct in vivo and in vitro. Alcohol Alcohol Suppl. 1991;1:265-9.

However, under certain circumstances e.g. when fed an alcohol-containing liquid diet supplemented with cyanamide (an aldehyde dehydrogenase inhibitor that raises blood acetaldehyde concentrations), this 37KD protein-acetaldehyde adduct (protein-AA) becomes incorporated into liver plasma membranes.
31(0,1,1,1) Details
2264608 Lin RC, Lumeng L: Formation of the 37KD protein-acetaldehyde adduct in liver during alcohol treatment is dependent on alcohol dehydrogenase activity. Alcohol Clin Exp Res. 1990 Oct;14(5):766-70.

In this report, we have examined the effects of pyrazole (an ADH inhibitor) and cyanamide (an aldehyde dehydrogenase inhibitor) on the formation of the 37KD liver protein-AA in vivo and in vitro.
31(0,1,1,1) Details
8135858 Nikiforov AA, Ostretsova IB: Stimulatory effect of ethanol on weak organic acid uptake in rat renal tubules. Biochem Pharmacol. 1994 Mar 2;47(5):821-5.

The stimulation of fluorescein uptake by ethanol (20 mM) was abolished by an inhibitor of alcohol dehydrogenase (EC 1.1.1.1), pyrazole (1 mM), or an inhibitor of aldehyde dehydrogenase (EC 1.2.1.3), cyanamide (0.3 mM), suggesting that oxidation of ethanol mediated its effect on the uptake.
31(0,1,1,1) Details
1608302 Hu ML, Tappel AL: Glutathione and antioxidants protect microsomes against lipid peroxidation and enzyme inactivation. Lipids. 1992 Jan;27(1):42-5.

The study investigated the relationship between lipid peroxidation and enzyme inactivation in rat hepatic microsomes and whether prior inactivation of aldehyde dehydrogenase (ALDH) exacerbated inactivation of other enzymes.
Inhibition of ALDH by cyanamide injection of rats exacerbated the inactivation of G6Pase in microsomes incubated with 0.1 mM, but not 25 microM 4-hydroxynonenal (4-HN). 4-HN did not stimulate lipid peroxidation.
1(0,0,0,1) Details
3702591 Guerri C, Sanchis R: Alcohol and acetaldehyde in rat's milk following ethanol administration. Life Sci. 1986 Apr 28;38(17):1543-56.

A significant decrease in mammary tissue aldehyde dehydrogenase was found in chronic alcoholic rats.
The time course of ethanol and acetaldehyde concentration in blood and milk were determined in normal lactating rats after cyanamide (40 mg/kg) and ethanol administration (2 or 4 g/kg).
1(0,0,0,1) Details
4040375 DeMaster EG, Shirota FN, Nagasawa HT: Catalase mediated conversion of cyanamide to an inhibitor of aldehyde dehydrogenase. Alcohol. 1985 Jan-Feb;2(1):117-21.
324(4,4,4,4) Details
6861004 Loomis CW, Brien JF: Specificity of hepatic aldehyde dehydrogenase inhibition by calcium carbimide (calcium cyanamide) in the rat. Can J Physiol Pharmacol. 1983 Apr;61(4):431-5.
163(2,2,2,3) Details
3360115 Tarasov IuA, Satanovskaia VI, Shishkin SN, Ostrovskii IuM: [Effect of cyanamide on the level of endogenous ethanol in the liver of normal rats and in hypocorticism]. Farmakol Toksikol. 1988 Jan-Feb;51(1):80-3.

The rat liver endogenous ethanol level was found to increase under inhibition of aldehyde dehydrogenases by cyanamide.
81(1,1,1,1) Details
4023431 Nakatsukasa H, Watanabe A, Kobayashi M, Hobara N, Fujiwara M, Yamauchi Y, Shiota T, Higashi T, Nagashima H: Effects of high hepatic acetaldehyde level following simultaneous administration of ethanol and cyanamide on liver function in rats. Res Exp Med. 1985;185(3):221-5.

Extremely high concentrations of hepatic acetaldehyde were induced in rats by the intragastric administration of ethanol and cyanamide, an aldehyde dehydrogenase inhibitor; and these high levels were maintained for 4 weeks.
31(0,1,1,1) Details
15781050 Jamal M, Ameno K, Wang W, Kumihashi M, Ameno S, Ikuo U, Shinji A, Ijiri I: Inhibition of acetaldehyde metabolism decreases acetylcholine release in medial frontal cortex of freely moving rats. Brain Res. 2005 Mar 28;1039(1-2):90-6.

Rats were treated intraperitoneally with saline, EtOH (1 and 2 g/kg) or cyanamide (CY, 50 mg/kg, a potent aldehyde dehydrogenase inhibitor) plus EtOH (1 and 2 g/kg).
31(0,1,1,1) Details
17597213 Jamal M, Ameno K, Uekita I, Kumihashi M, Wang W, Ijiri I: Catalase mediates acetaldehyde formation in the striatum of free-moving rats. Neurotoxicology. 2007 Nov;28(6):1245-8. Epub 2007 May 13.

Rats received intraperitoneal EtOH (1g/kg) alone or in combination with 4-methylpyrazole (MP, 82 mg/kg, an alcohol dehydrogenase inhibitor), and/or catalase inhibitor sodium azide (AZ, 10mg/kg) or 3-amino-1,2,4-triazole (AT, 1g/kg), and/or cyanamide (CY, 50mg/kg, an aldehyde dehydrogenase inhibitor).
31(0,1,1,1) Details
11782879 Koll M, Ahmed S, Mantle D, Donohue TM, Palmer TN, Simanowski UA, Seltz HK, Peters TJ, Preedy VR: Effect of acute and chronic alcohol treatment and their superimposition on lysosomal, cytoplasmic, and proteosomal protease activities in rat skeletal muscle in vivo. Metabolism. 2002 Jan;51(1):97-104.

Other studies included administration of cyanamide (aldehyde dehydrogenase inhibitor) in vivo or addition of alcohol and acetaldehyde to muscle preparations in vitro.
31(0,1,1,1) Details
11900810 Escarabajal MD, Aragon CM: The effect of cyanamide and 4-methylpyrazole on the ethanol-induced locomotor activity in mice. Pharmacol Biochem Behav. 2002 May;72(1-2):389-95.

These data might suggest some influence of brain catalase and aldehyde dehydrogenase (ALDH) on the effects of ethanol.
1(0,0,0,1) Details
3426682 Jones AW, Neiman J, Hillbom M: Elimination kinetics of ethanol and acetaldehyde in healthy men during the calcium carbimide-alcohol flush reaction. Alcohol Alcohol Suppl. 1987;1:213-7.


The disposition kinetics of acetaldehyde were markedly different when aldehyde dehydrogenase (ALDH) was inhibited.
1(0,0,0,1) Details
1820876 Obach R, Prunonosa J, Torrent J, Colom H, Peraire C, Izquierdo I, Domenech J: Lack of correlation between pharmacokinetic and pharmacodynamic behaviour of cyanamide in man. Eur J Drug Metab Pharmacokinet. 1991;Spec No 3:185-90.

A pharmacokinetic and dynamic study of cyanamide, an inhibitor of aldehyde dehydrogenase (ALDH) used as an adjuvant in the aversive therapy of chronic alcoholism, has been carried out in man after oral administrations.
1(0,0,0,1) Details
3994742 Svanas GW, Weiner H: Enzymatic requirement for cyanamide inactivation of rat liver aldehyde dehydrogenase. Biochem Pharmacol. 1985 Apr 15;34(8):1197-204.
162(2,2,2,2) Details
6378202 DeMaster EG, Shirota FN, Nagasawa HT: The metabolic activation of cyanamide to an inhibitor of aldehyde dehydrogenase is catalyzed by catalase. Biochem Biophys Res Commun. 1984 Jul 18;122(1):358-65.
162(2,2,2,2) Details
10978654 Kinoshita H, Harbuz MS, Jessop DS, Finn DP, Ameno S, Ameno K, Kubota T, Ijiri I: Hypothalamo-pituitary-adrenal axis activation by administration of cyanamide: a potent inhibitor of aldehyde dehydrogenase. Forensic Sci Int. 2000 Sep 11;113(1-3):397-402.
162(2,2,2,2) Details
6634840 Demaster EG, Nagasawa HT, Shirota FN: Metabolic activation of cyanamide to an inhibitor of aldehyde dehydrogenase in vitro. Pharmacol Biochem Behav. 1983;18 Suppl 1:273-7.
162(2,2,2,2) Details
7159468 Hellstrom E, Tottmar O: Effects of aldehyde dehydrogenase inhibitors on enzymes involved in the metabolism of biogenic aldehydes in rat liver and brain. Biochem Pharmacol. 1982 Dec 1;31(23):3899-905.

The effects of the aldehyde dehydrogenase inhibitors disulfiram, coprine and cyanamide on enzymes involved in the metabolism of biogenic aldehydes in rat liver and brain were studied.
64(0,2,2,4) Details
2735948 Prunonosa J, Sagrista ML, Bozal J: Inactivation of low-Km rat liver mitochondrial aldehyde dehydrogenase by cyanamide in vitro. Biochem Pharmacol. 1989 Jul 1;38(13):2099-105.
62(0,2,2,2) Details
1680656 Prunonosa J, Sagrista ML, Bozal J: Inactivation mechanism of low-KM rat liver mitochondrial aldehyde dehydrogenase by cyanamide in vitro. Drug Metab Dispos. 1991 Jul-Aug;19(4):787-92.
62(0,2,2,2) Details
8218960 Prunonosa Piera J, Obach R, Sagrista ML, Bozal J: Inhibition of rat hepatic mitochondrial aldehyde dehydrogenase isozymes by repeated cyanamide administration: pharmacokinetic-pharmacodynamic relationships. Biopharm Drug Dispos. 1993 Jul;14(5):419-28.
62(0,2,2,2) Details
6870943 Marchner H, Tottmar O: Studies in vitro on the inactivation of mitochondrial rat-liver aldehyde dehydrogenase by the alcohol-sensitizing compounds cyanamide, 1-aminocyclopropanol and disulfiram. Biochem Pharmacol. 1983 Jul 15;32(14):2181-8.
62(0,2,2,2) Details
11583712 Srivastava S, Conklin DJ, Liu SQ, Prakash N, Boor PJ, Srivastava SK, Bhatnagar A: Identification of biochemical pathways for the metabolism of oxidized low-density lipoprotein derived aldehyde-4-hydroxy trans-2-nonenal in vascular smooth muscle cells. Atherosclerosis. 2001 Oct;158(2):339-50.

The formation of HNA was inhibited by cyanamide, indicating that the acid is derived from an aldehyde dehydrogenase (ALDH)-catalyzed pathway.
31(0,1,1,1) Details
2596853 Silva JM, O'Brien PJ: Allyl alcohol- and acrolein-induced toxicity in isolated rat hepatocytes. . Arch Biochem Biophys. 1989 Dec;275(2):551-8.

However, cytotoxicity of both allyl alcohol and acrolein was enhanced by the aldehyde dehydrogenase inhibitors cyanamide and disulfiram.
31(0,1,1,1) Details
6536295 Svanas GW, Weiner H: Identification of aldehyde dehydrogenase resistant to cyanamide and disulfiram inhibition. Alcohol. 1984 Jul-Aug;1(4):347-9.
31(0,1,1,1) Details
15365691 Jamal M, Ameno K, Kumihashi M, Wang W, Ameno S, Kubota T, Ijiri I: Failure of ethanol and acetaldehyde to alter in vivo norepinephrine release in the striatum and hippocampus of rats. Arch Toxicol. 2004 Dec;78(12):723-7. Epub 2004 Sep 8.

Rats were treated intraperitoneally with EtOH (1 g/kg) or cyanamide (CY, 50 mg/kg, a potent aldehyde dehydrogenase inhibitor) plus EtOH (1 g/kg).
31(0,1,1,1) Details
2272522 Rikans LE, Snowden CD, Moore DR: Influence of aging on ethanol and acetaldehyde oxidation in female rat liver. Gerontology. 1990;36(4):185-92.

On the other hand, rates of acetaldehyde metabolism by mitochondrial aldehyde dehydrogenase (ALDH) were 15-20% lower in livers of old rats than in those of younger ones.
Results with the ALDH inhibitor cyanamide indicated that a decline in ALDH activity of this magnitude would not increase acute ethanol hepatotoxicity.
1(0,0,0,1) Details
3358883 Jones AW, Neiman J, Hillbom M: Concentration-time profiles of ethanol and acetaldehyde in human volunteers treated with the alcohol-sensitizing drug, calcium carbimide. Br J Clin Pharmacol. 1988 Feb;25(2):213-21.


This dose of ethanol was given 2 h after they swallowed a tablet of either calcium carbimide CC (50 mg), a potent inhibitor of low Km aldehyde dehydrogenase (ALDH), or placebo according to a single-blind crossover design. 2.
1(0,0,0,1) Details
2886311 Rikans LE: The oxidation of acrolein by rat liver aldehyde dehydrogenases. Drug Metab Dispos. 1987 May-Jun;15(3):356-62.

The effect of aldehyde dehydrogenase inhibition on allyl alcohol toxicity was determined by pretreating rats with cyanamide or disulfiram prior to treatment with allyl alcohol.
117(1,2,2,7) Details
6742849 Dicker E, Cederbaum AI: Effect of acetaldehyde and cyanamide on the metabolism of formaldehyde by hepatocytes, mitochondria, and soluble supernatant from rat liver. Arch Biochem Biophys. 1984 Jul;232(1):179-88.

To estimate the roles played by each enzyme in formaldehyde metabolism by rat hepatocytes, experiments with acetaldehyde and cyanamide, a potent inhibitor of the low-Km aldehyde dehydrogenase were carried out.
113(1,2,2,3) Details
8778744 Beck O, Helander A, Carlsson S, Borg S: Changes in serotonin metabolism during treatment with the aldehyde dehydrogenase inhibitors disulfiram and cyanamide. Pharmacol Toxicol. 1995 Nov;77(5):323-6.
62(0,2,2,2) Details
3089300 Dicker E, Cederbaum AI: Inhibition of CO2 production from aminopyrine or methanol by cyanamide or crotonaldehyde and the role of mitochondrial aldehyde dehydrogenase in formaldehyde oxidation. Biochim Biophys Acta. 1986 Aug 6;883(1):91-7.
62(0,2,2,2) Details
4063385 Dicker E, Cederbaum AI: Inhibition of mitochondrial aldehyde dehydrogenase and acetaldehyde oxidation by the glutathione-depleting agents diethylmaleate and phorone. Biochim Biophys Acta. 1985 Nov 22;843(1-2):107-13.

Thus, diethylmaleate blocks the oxidation of added or metabolically generated acetaldehyde, analogous to results with other inhibitors of the low-Km aldehyde dehydrogenase such as cyanamide.
36(0,1,1,6) Details
2932116 Ryle PR, Chakraborty J, Thomson AD: The roles of the hepatocellular redox state and the hepatic acetaldehyde concentration in determining the ethanol elimination rate in fasted rats. Biochem Pharmacol. 1985 Oct 1;34(19):3577-83.

Pretreatment of animals with the aldehyde dehydrogenase inhibitor, cyanamide (1 mg/kg or 15 mg/kg p.o. one hour before ethanol), caused increases of up to 23-fold in the hepatic acetaldehyde level, without influencing the cytosolic NAD+:NADH ratio in ethanol dosed rats, while significantly reducing the ethanol elimination rate by up to 44%, compared with controls.
31(0,1,1,1) Details
3663401 Solomon LR: Evidence for the generation of transaminase inhibitor (s) during ethanol metabolism by rat liver homogenates: a potential mechanism for alcohol toxicity. Biochem Med Metab Biol. 1987 Aug;38(1):9-18.

Cyanamide, an aldehyde dehydrogenase inhibitor, had little effect on ethanol-mediated transaminase inhibition.
31(0,1,1,1) Details
16540368 Gyamfi MA, Wan YJ: The effect of ethanol, ethanol metabolizing enzyme inhibitors, and Vitamin E on regulating glutathione, glutathione S-transferase, and S-adenosylmethionine in mouse primary hepatocyte. Hepatol Res. 2006 May;35(1):53-61. Epub 2006 Mar 15.

Lipid peroxidation (LPO), assessed by the thiobarbituric acid assay, increased to 221% of control by ethanol and was potentiated by cyanamide, an aldehyde dehydrogenase inhibitor.
31(0,1,1,1) Details
12701047 Bonner AB, Dalwai S, Marway JS, Preedy VR: Acute exposure to the nutritional toxin alcohol reduces brain protein synthesis in vivo. Metabolism. 2003 Apr;52(4):389-96.

In the event that some regions were refractory to the deleterious effects of ethanol, we also predosed rats with cyanamide, an aldehyde dehydrogenase inhibitor (ie, cyanamide + ethanol), to increase endogenous acetaldehyde, a potent neurotoxic agent.
31(0,1,1,1) Details
2371231 Lundquist F, Iversen HL, Hansen LL: Deuterium D (V/K) isotope effects on ethanol oxidation in hepatocytes: importance of the reverse ADH-reaction. Pharmacol Toxicol. 1990 Apr;66(4):244-51.

The different response of pig and rat hepatocytes to addition of fructose (the 'fructose effect') is suggested to be caused by differences in activity of aldehyde dehydrogenases in the two species.
Fructose and cyanamide caused the acetaldehyde concentration during ethanol oxidation to increase by entirely different mechanisms, and the isotope effect to decrease with time, as did also the addition of acetaldehyde.
1(0,0,0,1) Details
8442754 Cronholm T: Ethanol metabolism in isolated hepatocytes. Biochem Pharmacol. 1993 Feb 9;45(3):553-8.

Effects of methylene blue, cyanamide and penicillamine on the redox state of the bound coenzyme and on the substrate exchange at alcohol dehydrogenase..
The results indicate that methylene blue inhibits aldehyde dehydrogenase and that accumulation of acetaldehyde decreases the redox effects of ethanol.
1(0,0,0,1) Details
17989515 Tambour S, Closon C, Tirelli E, Quertemont E: Effects of cyanamide and acetaldehyde accumulation on the locomotor stimulant and sedative effects of ethanol in mice. Behav Pharmacol. 2007 Dec;18(8):777-84.

It is concluded that in vivo the effects of cyanamide are predominantly due to the inhibition of the enzyme aldehyde dehydrogenase, rather than to its effects on catalase.
112(1,2,2,2) Details
6640426 Loomis CW, Brien JF: Inhibition of hepatic aldehyde dehydrogenases in the rat by calcium carbimide (calcium cyanamide). Can J Physiol Pharmacol. 1983 Sep;61(9):1025-34.

Oral administration of 7.0 mg/kg calcium carbimide (calcium cyanamide, CC) to the rat produced differential inhibition of hepatic aldehyde dehydrogenase (ALDH) isozymes, as indicated by the time-course profiles of enzyme activity.
112(1,2,2,2) Details
2820422 Kohn FR, Sladek NE: Effects of aldehyde dehydrogenase inhibitors on the ex vivo sensitivity of murine late spleen colony-forming cells (day-12 CFU-S) and hematopoietic repopulating cells to mafosfamide (ASTA Z 7557). Biochem Pharmacol. 1987 Sep 1;36(17):2805-11.

In the first part of the investigation, the ex vivo sensitivity of murine day-12 spleen colony-forming cells (CFU-S) to mafosfamide was determined in the absence and presence of known inhibitors of aldehyde dehydrogenase activity, viz. diethyldithiocarbamate and cyanamide.
35(0,1,1,5) Details
3034402 Kohn FR, Landkamer GJ, Manthey CL, Ramsay NK, Sladek NE: Effect of aldehyde dehydrogenase inhibitors on the ex vivo sensitivity of human multipotent and committed hematopoietic progenitor cells and malignant blood cells to oxazaphosphorines. Cancer Res. 1987 Jun 15;47(12):3180-5.

The ex vivo sensitivity of human multipotent and committed hematopoietic progenitor cells and several cultured human malignant blood cell lines to analogues of "activated" cyclophosphamide, namely, 4-hydroperoxycyclophosphamide and mafosfamide, and to phosphoramide mustard was quantified with and without concurrent exposure to an inhibitor of aldehyde dehydrogenase activity, namely, disulfiram, cyanamide, diethyldithiocarbamate, or ethylphenyl (2-formylethyl) phosphinate.
35(0,1,1,5) Details
7662040 Marway JS, Preedy VR: The acute effects of ethanol and acetaldehyde on the synthesis of mixed and contractile proteins of the jejunum. Alcohol Alcohol. 1995 Mar;30(2):211-7.

An investigation was made into the acute effects of ethanol and acetaldehyde with or without enzyme inhibitors of alcohol dehydrogenase (4-methylpyrazole) and aldehyde dehydrogenase (cyanamide) on fractional rates of protein synthesis of mixed and contractile proteins of the jejunum.
31(0,1,1,1) Details
8516364 Myers RD, Lankford MF: Failure of the 5-HT2 receptor antagonist, ritanserin, to alter preference for alcohol in drinking rats. Pharmacol Biochem Behav. 1993 May;45(1):233-7.

Following the repeated administration of the inhibitor of aldehyde dehydrogenase, cyanamide, the preference for alcohol vs. water was determined in each of 20 Sprague-Dawley rats by a standard test using 3-30% concentrations.
31(0,1,1,1) Details
8279685 Sanny CG, Rymas K: In vivo effects of disulfiram and cyanamide on canine liver aldehyde dehydrogenase isoenzymes as detected by high-performance (pressure) liquid chromatography. Alcohol Clin Exp Res. 1993 Oct;17(5):982-7.
12(0,0,2,2) Details
13861343 ANDO H, FUWA I: Effects of cyanamide on alcohol dehydrogenase and aldehyde dehydrogenase. J Chromatogr. 1961 Nov;50:416-8.
6(0,0,1,1) Details
6486817 Dicker E, Cederbaum AI: Inhibition of the oxidation of acetaldehyde and formaldehyde by hepatocytes and mitochondria by crotonaldehyde. Arch Biochem Biophys. 1984 Oct;234(1):187-96.

In hepatocytes, crotonaldehyde produced about 30 to 40% inhibition of formaldehyde oxidation, which was similar to the inhibition produced by cyanamide.
Although a poor substrate for oxidation, crotonaldehyde is an effective inhibitor of the oxidation of acetaldehyde by mitochondrial aldehyde dehydrogenase, by intact mitochondria, and by isolated hepatocytes.
4(0,0,0,4) Details
2807159 Lin RC, Lumeng L: Further studies on the 37 kD liver protein-acetaldehyde adduct that forms in vivo during chronic alcohol ingestion. Hepatology. 1989 Nov;10(5):807-14.

When immunoblotted with anti-alcohol dehydrogenase and anti-aldehyde dehydrogenase antibodies, the alcohol dehydrogenase and aldehyde dehydrogenase bands in liver of alcohol-fed rats showed identical intensities before and after immunosorption.(ABSTRACT TRUNCATED AT 250 WORDS)
Addition of cyanamide, an aldehyde dehydrogenase inhibitor, to the AIN'76 alcohol diet greatly increased the intensity of the 37-kD protein-acetaldehyde adduct band on electroimmunotransblot but did not produce other bands.
1(0,0,0,1) Details
1889554 Preedy VR, Edwards P, Peters TJ: Ethanol-induced reductions in skeletal muscle protein synthesis: use of the inhibitors of alcohol and aldehyde dehydrogenase. Biochem Soc Trans. 1991 Apr;19(2):167S.

1(0,0,0,1) Details
4089878 Cederbaum AI, Dicker E: Inhibition of the peroxidatic activity of catalase towards alcohols by the aldehyde dehydrogenase inhibitor cyanamide. Toxicol Lett. 1985 Dec;29(2-3):107-14.

Recent results have suggested that catalase is responsible for activating cyanamide to a metabolite which is a potent inhibitor of aldehyde dehydrogenase.
112(1,2,2,2) Details
2848231 Helander A, Tottmar O: Effects of disulfiram, cyanamide and 1-aminocyclopropanol on the aldehyde dehydrogenase activity in human erythrocytes and leukocytes. Pharmacol Toxicol. 1988 Oct;63(4):262-5.

The effects of the aldehyde dehydrogenase (ALDH; EC 1.2.1.3) inhibitors disulfiram, cyanamide and 1-aminocyclopropanol (ACP) on the ALDH activities in human erythrocytes and leukocytes were studied.
87(1,1,2,2) Details
3827870 Dicker E, Cederbaum AI: Inhibition of the low-Km mitochondrial aldehyde dehydrogenase by diethyl maleate and phorone in vivo and in vitro. Biochem J. 1986 Dec 15;240(3):821-7.

This increase in product formation at higher formaldehyde concentrations was much more sensitive to inhibition by diethyl maleate or cyanamide, suggesting an important contribution by mitochondrial aldehyde dehydrogenase.
35(0,1,1,5) Details
3437102 Kohn FR, Landkamer GJ, Sladek NE: Effect of the aldehyde dehydrogenase inhibitor, cyanamide, on the ex vivo sensitivity of murine multipotent and committed hematopoietic progenitor cells to mafosfamide (ASTA Z 7557). Immunopharmacol Immunotoxicol. 1987;9(2-3):163-76.
34(0,1,1,4) Details
8394073 Mattia CJ, Adams JD Jr, Bondy SC: Free radical induction in the brain and liver by products of toluene catabolism. Biochem Pharmacol. 1993 Jul 6;46(1):103-10.

Pretreatment of rats in vivo with 4-methylpyrazole, an alcohol dehydrogenase inhibitor, or sodium cyanamide, an aldehyde dehydrogenase inhibitor, prior to exposure to toluene, caused a significant decrease and increase, respectively, in toluene-stimulated rates of ROS generation in the CNS and liver.
33(0,1,1,3) Details
6353979 Kupari M, Lindros K, Hillbom M, Heikkila J, Ylikahri R: Cardiovascular effects of acetaldehyde accumulation after ethanol ingestion: their modification by beta-adrenergic blockade and alcohol dehydrogenase inhibition. Alcohol Clin Exp Res. 1983 Summer;7(3):283-8.

Left ventricular function was examined by echocardiography and systolic time intervals in nine healthy male volunteers, who ingested ethanol 0.35 g/kg 4 hr after a 50-mg peroral dose of calcium cyanamide, an aldehyde dehydrogenase inhibitor.
31(0,1,1,1) Details
8397523 Aragon CM, Spivak K, Smith BR, Amit Z: Cyanamide on ethanol intake: how does it really work? . Alcohol Alcohol. 1993 Jul;28(4):413-21.

Cyanamide, an aldehyde dehydrogenase inhibitor, has been shown to suppress voluntary ethanol consumption in animals.
31(0,1,1,1) Details
12036955 You M, Fischer M, Deeg MA, Crabb DW: Ethanol induces fatty acid synthesis pathways by activation of sterol regulatory element-binding protein (SREBP). J Biol Chem. 2002 Aug 9;277(32):29342-7. Epub 2002 May 29.

Furthermore, the aldehyde dehydrogenase inhibitor cyanamide enhanced the effect of ethanol in the hepatoma cells.
31(0,1,1,1) Details
14615007 Moncada C, Fuentes N, Lladser A, Encina G, Sapag A, Karahanian E, Israel Y: Use of an "acetaldehyde clamp" in the determination of low-KM aldehyde dehydrogenase activity in H4-II-E-C3 rat hepatoma cells. Alcohol. 2003 Aug-Oct;31(1-2):19-24.

We showed that (1) acetate production is linear for 120 min, (2) addition of 160 microM cyanamide to the culture medium leads to a 75%-80% reduction of acetate generated, and (3) ALDH2 activity is dependent on cell-to-cell contact and increases after cells reach confluence.
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9010546 Nosova T, Jokelainen K, Kaihovaara P, Jousimies-Somer H, Siitonen A, Heine R, Salaspuro M: Aldehyde dehydrogenase activity and acetate production by aerobic bacteria representing the normal flora of human large intestine. Alcohol Alcohol. 1996 Nov;31(6):555-64.

In addition, aerobic bacteria metabolized acetaldehyde effectively in vitro and this could be inhibited by cyanamide in nearly half of the tested strains.
3(0,0,0,3) Details
2502790 Minano FJ, Myers RD: Inhibition of brain dopa-decarboxylase by RO 4-4602 infused ICV blocks alcohol drinking induced in rats by cyanamide. Psychopharmacology. 1989;98(2):176-82.

Alternatively, benserazide could act by its central inhibition of aldehyde dehydrogenase, which in turn would concomitantly elevate levels of acetaldehyde and thereby reduce alcohol drinking.
1(0,0,0,1) Details
12269395 Imamura Y, Wu X, Noda A, Noda H: Side-chain metabolism of propranolol: involvement of monoamine oxidase and mitochondrial aldehyde dehydrogenase in the metabolism of N-desisopropylpropranolol to naphthoxylactic acid in rat liver. Life Sci. 2002 Apr 19;70(22):2687-97.

1(0,0,0,1) Details
15858460 : Update: hydrogen cyanamide-related illnesses--Italy, 2002-2004. MMWR Morb Mortal Wkly Rep. 2005 Apr 29;54(16):405-8.

The substance also inhibits aldehyde dehydrogenase and can produce acetaldehyde syndrome (e.g., vomiting, parasympathetic hyperactivity, dyspnea, hypotension, and confusion) when exposure coincides with alcohol use.
1(0,0,0,1) Details
15069620 Nakamura Y, Yokoyama H, Higuchi S, Hara S, Kato S, Ishii H: Acetaldehyde accumulation suppresses Kupffer cell release of TNF-Alpha and modifies acute hepatic inflammation in rats. J Gastroenterol. 2004;39(2):140-7.

BACKGROUND: Alcohol-related diseases have multiple and varied associations with acetaldehyde, a highly toxic product of ethanol oxidation that accumulates in the absence of active aldehyde dehydrogenase (ALDH).
Similarly, isolated rat Kupffer cells were pretreated with disulfiram or cyanamide incubated in ethanol (1 h), then challenged with LPS and evaluated 2 h later for TNF-Alpha and acetaldehyde levels in the culture medium.
1(0,0,0,1) Details
3978623 Sladek NE, Landkamer GJ: Restoration of sensitivity to oxazaphosphorines by inhibitors of aldehyde dehydrogenase activity in cultured oxazaphosphorine-resistant L1210 and cross-linking agent-resistant P388 cell lines. Cancer Res. 1985 Apr;45(4):1549-55.

The sensitivity of cultured L1210 and P388 cells sensitive (L1210/0, P388/0) and resistant (L1210/OAP, P388/CLA) to oxazaphosphorines, to 4-hydroperoxycyclophosphamide, ASTA Z-7557, phosphoramide mustard, and acrolein was determined in the absence and presence of known (disulfiram, diethyldithiocarbamate, cyanamide) or suspected [ethylphenyl (2-formylethyl) phosphinate] inhibitors of aldehyde dehydrogenase activity.
84(1,1,1,4) Details
6733600 Loomis CW, Brien JF: Decrease in calcium carbimide (calcium cyanamide)-induced inhibition of rat hepatic aldehyde dehydrogenases by multiple ethanol administration. Can J Physiol Pharmacol. 1984 May;62(5):544-50.
84(1,1,1,4) Details
3612528 Ghanayem BI, Burka LT, Matthews HB: Metabolic basis of ethylene glycol monobutyl ether (2-butoxyethanol) toxicity: role of alcohol and aldehyde dehydrogenases. J Pharmacol Exp Ther. 1987 Jul;242(1):222-31.

Pretreatment of rats with cyanamide (aldehyde dehydrogenase inhibitor) also significantly protected rats against BE-induced hematotoxicity and modified BE metabolism in a manner similar to that caused by pyrazole.
33(0,1,1,3) Details
7232463 Sinclair JD, Lindros KO: Suppression of alcohol drinking with brain aldehyde dehydrogenase inhibition. Pharmacol Biochem Behav. 1981 Mar;14(3):377-83.

Calcium cyanamide, an aldehyde dehydrogenase (ALDH) inhibitor used in the treatment of alcoholism, strongly suppressed voluntary ethanol drinking by rats.
32(0,1,1,2) Details
12935558 Jamal M, Ameno K, Ameno S, Okada N, Ijiri I: Effect of different doses of cyanamide on striatal salsolinol formation after ethanol treatment. Leg Med. 2003 Mar;5 Suppl 1:S79-82.

To assess the dose-dependent effect of cyanamide (CY, a potent aldehyde dehydrogenase inhibitor) on salsolinol release in the striatum, rats were treated with CY (25, 50 and 100 mg/kg) plus ethanol (EtOH,1 g/kg) intraperitoneally.
31(0,1,1,1) Details
6612730 Hillbom ME, Sarviharju MS, Lindros KO: Potentiation of ethanol toxicity by cyanamide in relation to acetaldehyde accumulation. Toxicol Appl Pharmacol. 1983 Aug;70(1):133-9.

The possibility that acetaldehyde accumulation potentiates the acute toxicity of ethanol was studied by pretreating rats with cyanamide, an aldehyde dehydrogenase inhibitor.
31(0,1,1,1) Details
8365577 Smialowicz RJ, Riddle MM, Williams WC: Methoxyacetaldehyde, an intermediate metabolite of 2-methoxyethanol, is immunosuppressive in the rat. Fundam Appl Toxicol. 1993 Jul;21(1):1-7.

Rats pretreated with the aldehyde dehydrogenase inhibitors disulfiram (2 mmol/kg) or cyanamide (0.48 mmol/kg) followed by oral dosing with ME (2.64 mmol/kg) resulted in suppressed PFC responses equivalent to the suppressed responses of rats dosed with ME alone.
31(0,1,1,1) Details
7840616 Hartley DP, Ruth JA, Petersen DR: The hepatocellular metabolism of 4-hydroxynonenal by alcohol dehydrogenase, aldehyde dehydrogenase, and glutathione S-transferase. Arch Biochem Biophys. 1995 Jan 10;316(1):197-205.

The presence of 4-methylpyrazole or cyanamide abolished formation of the reductive metabolite 1,4-dihydroxy-2-nonene or the oxidative metabolite 4-hydroxy-2-nonenoic acid in hepatocyte suspensions.
3(0,0,0,3) Details
19576883 Zhang XJ, Chang L, Zhang YM, Deng S, Li YJ, Peng J: Comparing the role of glutathione-S-transferase and mitochondrial aldehyde dehydrogenase in nitroglycerin biotransformation and the correlation with calcitonin gene-related peptide. Eur J Pharmacol. 2009 Sep 1;617(1-3):97-101. Epub 2009 Jul 2.

The inhibitor of GST (ethacrynic acid) or ALDH-2 (cyanamide) was given before nitroglycerin treatment; In vitro, the isolated aorta rings were incubated with nitroglycerin to obtain the concentration-response curve.
2(0,0,0,2) Details
17585900 Chen YR, Nie SD, Shan W, Jiang DJ, Shi RZ, Zhou Z, Guo R, Zhang Z, Li YJ: Decrease in endogenous CGRP release in nitroglycerin tolerance: role of ALDH-2. Eur J Pharmacol. 2007 Sep 24;571(1):44-50. Epub 2007 Jun 5.


In the present study, we tested whether the decreased release of calcitonin gene-related peptide (CGRP) observed in nitroglycerin tolerance is associated with the decrease in aldehyde dehydrogenase (ALDH-2) activity.
1(0,0,0,1) Details
2996550 Kohn FR, Sladek NE: Aldehyde dehydrogenase activity as the basis for the relative insensitivity of murine pluripotent hematopoietic stem cells to oxazaphosphorines. Biochem Pharmacol. 1985 Oct 1;34(19):3465-71.

The ex vivo sensitivity of murine pluripotent hematopoietic stem cells (CFU-S) and myeloid progenitor cells (CFU-GM) to 4-hydroperoxycyclophosphamide, ASTA Z 7557, phosphoramide mustard, acrolein, melphalan, and cis-platinum was determined in the absence and presence of known (disulfiram, diethyldithiocarbamate, cyanamide) or suspected [ethylphenyl (2-formylethyl) phosphinate] inhibitors of aldehyde dehydrogenase activity.
84(1,1,1,4) Details
17599801 Amunom I, Stephens LJ, Tamasi V, Cai J, Pierce WM Jr, Conklin DJ, Bhatnagar A, Srivastava S, Martin MV, Guengerich FP, Prough RA: Cytochromes P450 catalyze oxidation of alpha,beta-unsaturated aldehydes. Arch Biochem Biophys. 2007 Aug 15;464(2):187-96. Epub 2007 Jun 8.

Inhibitors of aldehyde dehydrogenase (cyanamide) inhibited HNA formation by 60% and together cyanamide and miconazole (P450) caused over 85% inhibition of HNA formation.
82(1,1,1,2) Details
20029546 Golwala NH, Hodenette C, Murthy SN, Nossaman BD, Kadowitz PJ: Vascular responses to nitrite are mediated by xanthine oxidoreductase and mitochondrial aldehyde dehydrogenase in the rat. Can J Physiol Pharmacol. 2009 Dec;87(12):1095-101.

In the present study, the effects of the xanthine oxidoreductase inhibitor allopurinol and the mitochondrial aldehyde dehydrogenase inhibitor cyanamide on decreases in mean systemic arterial pressure in response to i.v. sodium nitrite administration were investigated in the rat.
32(0,1,1,2) Details
3593530 Kitson TM: The effect of cephalosporin antibiotics on alcohol metabolism: a review. Alcohol. 1987 May-Jun;4(3):143-8.

The first of these is a potent inactivator of cytoplasmic aldehyde dehydrogenase only, the second affects both cytoplasmic and mitochondrial isoenzymes. 1-Methyltetrazole-5-thiol or derivatives have the potential to be used therapeutically as 'anti-alcohol' compounds in the same way as disulfiram (Antabuse) or calcium cyanamide.
32(0,1,1,2) Details
3590232 Shirota FN, DeMaster EG, Nagasawa HT: Cyanide is a product of the catalase-mediated oxidation of the alcohol deterrent agent, cyanamide. Toxicol Lett. 1987 Jun;37(1):7-12.

Cyanide was detected as a product of cyanamide oxidation by bovine liver catalase in vitro under conditions that also produced an active aldehyde dehydrogenase (AlDH) inhibitor.
31(0,1,1,1) Details
2886987 Penttila KE, Makinen J, Lindros KO: Allyl alcohol liver injury: suppression by ethanol and relation to transient glutathione depletion. Pharmacol Toxicol. 1987 May;60(5):340-4.

On the other hand, attempts to potentiate the toxicity of acrolein by the aldehyde dehydrogenase inhibitor cyanamide enhanced only the release of alanine aminotransferase.
31(0,1,1,1) Details
3067622 Cao QN, Tu GC, Weiner H: Mitochondria as the primary site of acetaldehyde metabolism in beef and pig liver slices. Alcohol Clin Exp Res. 1988 Oct;12(5):720-4.

Aldehyde dehydrogenase (ALDH) is the major enzyme involved in the oxidation of acetaldehyde.
Using slices isolated from beef and pig livers and selectively inhibiting the mitochondria enzyme with cyanamide or the cytosolic enzyme with disulfiram, it was possible to address this question.
2(0,0,0,2) Details
7115421 Shirota FN, DeMaster EG, Nagasawa HT: Studies on the cyanamide-ethanol interaction. Biochem Pharmacol. 1982 Jun 1;31(11):1999-2004.

Dimethylcyanamide as an inhibitor of aldehyde dehydrogenase in vivo..
2(0,0,0,2) Details
6761704 Petersen DR, Hjelle JJ: Metabolic interactions of aldehyde dehydrogenase with therapeutic and toxic agents. Prog Clin Biol Res. 1982;114:103-20.

2(0,0,0,2) Details
9632053 Nosova T, Jokelainen K, Kaihovaara P, Heine R, Jousimies-Somer H, Salaspuro M: Characteristics of aldehyde dehydrogenases of certain aerobic bacteria representing human colonic flora. Alcohol Alcohol. 1998 May-Jun;33(3):273-80.

The effect of cyanamide, a potent inhibitor of mammalian ALDH, on bacterial ALDH activity was also studied.
2(0,0,0,2) Details
3889625 Neudecker T, Henschler D: Allyl isothiocyanate is mutagenic in Salmonella typhimurium. Mutat Res. 1985 Apr-May;156(1-2):33-7.

Another metabolic pathway, namely hydrolysis to allyl alcohol and oxidation to acrolein, a known mutagen, also seems possible as cyanamide, inhibitor of aldehyde dehydrogenase, can slightly increase the mutagenic potential.
Another metabolic pathway, namely hydrolysis to allyl alcohol and oxidation to acrolein, a known mutagen, also seems possible as cyanamide, inhibitor of aldehyde dehydrogenase, can slightly increase the mutagenic potential.
1(0,0,0,1) Details
10528996 Hammond AH, Fry JR: Effect of cyanamide on toxicity and glutathione depletion in rat hepatocyte cultures: differences between two dichloropropanol isomers. Chem Biol Interact. 1999 Sep 30;122(2):107-15.

The effect of aldehyde dehydrogenase inhibition by cyanamide pre-treatment in vitro on dichloropropanol-dependent toxicity and glutathione depletion was investigated in 24 h rat hepatocyte cultures.
82(1,1,1,2) Details
7013545 Cederbaum AI: The effect of cyanamide on acetaldehyde oxidation by isolated rat liver mitochondria and on the inhibition of pyruvate oxidation by acetaldehyde. Alcohol Clin Exp Res. 1981 Jan;5(1):38-44.

Cyanamide also inhibited the activity of aldehyde dehydrogenase assayed in disrupted mitochondrial fractions.
82(1,1,1,2) Details
9667978 Conway TT, DeMaster EG, Lee MJ, Nagasawa HT: Prodrugs of nitroxyl and nitrosobenzene as cascade latentiated inhibitors of aldehyde dehydrogenase. J Med Chem. 1998 Jul 16;41(15):2903-9.

The prototypic aromatic C-nitroso compound, nitrosobenzene (NB), was shown previously to mimic the effect of nitroxyl (HN=O), the putative active metabolite of cyanamide, in inhibiting aldehyde dehydrogenase (AlDH).
82(1,1,1,2) Details
8512594 Nagasawa HT, Yost Y, Elberling JA, Shirota FN, DeMaster EG: Nitroxyl analogs as inhibitors of aldehyde dehydrogenase. Biochem Pharmacol. 1993 May 25;45(10):2129-34.

We previously postulated that the catalase-mediated oxidation of cyanamide leads to the formation of the unstable intermediate, N-hydroxycyanamide, which spontaneously decomposes to nitroxyl, the putative inhibitor of aldehyde dehydrogenase (EC 1.2.1.3; AlDH).
32(0,1,1,2) Details
3324799 Spivak K, Aragon CM, Amit Z: Alterations in brain aldehyde dehydrogenase activity modify ethanol-induced conditioned taste aversion. Alcohol Clin Exp Res. 1987 Dec;11(6):513-7.

Cyanamide, an aldehyde dehydrogenase inhibitor (ALDH) elevates blood acetaldehyde levels in the presence of ethanol.
32(0,1,1,2) Details
1471767 Lin RC, Sidner RA, Fillenwarth MJ, Lumeng L: Localization of protein-acetaldehyde adducts on cell surface of hepatocytes by flow cytometry. Alcohol Clin Exp Res. 1992 Dec;16(6):1125-9.

In another experiment, hepatocytes were isolated from rats pair-fed cyanamide (a selective aldehyde dehydrogenase inhibitor) with and without ethanol.
31(0,1,1,1) Details
16131499 Patel VB, Worrall S, Emery PW, Preedy VR: Protein adduct species in muscle and liver of rats following acute ethanol administration. Alcohol Alcohol. 2005 Nov-Dec;40(6):485-93. Epub 2005 Aug 30.

These were used to assay different adduct species in soleus (type I fibre-predominant) and plantaris (type II fibre-predominant) muscles and liver in four groups of rats administered acutely with either [A] saline (control); [B] cyanamide (an aldehyde dehydrogenase inhibitor); [C] ethanol; [D] cyanamide+ethanol.
31(0,1,1,1) Details
8353517 Leal JF, Barbancho M: Aldehyde dehydrogenase (ALDH) activity in Drosophila melanogaster adults: evidence for cytosolic localization. Insect Biochem Mol Biol. 1993 Jul;23(5):543-7.

ALDH activities from ALDH or ADH (EC 1.1.1.1) enzymes were selectively inhibited by prefeeding respectively the flies sucrose solutions supplemented with either cyanamide or acetone respectively.
2(0,0,0,2) Details
10190574 de Zwart LL, Vermeulen NP, Hermanns RC, Commandeur JN, Salemink PJ, Meerman JH: Urinary excretion of biomarkers for radical-induced damage in rats treated with NDMA or diquat and the effects of calcium carbimide co-administration. Chem Biol Interact. 1999 Jan 29;117(2):151-72.


Furthermore, the effect of co-administration of the aldehyde dehydrogenase inhibitor, calcium carbimide (CC) on the urinary excretion of the aldehydes was determined.
2(0,0,0,2) Details
2499314 Heinstra PW, Geer BW, Seykens D, Langevin M: The metabolism of ethanol-derived acetaldehyde by alcohol dehydrogenase (EC 1.1.1.1) and aldehyde dehydrogenase (EC 1.2.1.3) in Drosophila melanogaster larvae. Biochem J. 1989 May 1;259(3):791-7.

The enzymes, however, showed different inhibition patterns with respect to pyrazole, cyanamide and disulphiram.
2(0,0,0,2) Details
2573707 Obach R, Colom H, Arso J, Peraire C, Prunonosa J: Pharmacokinetics of cyanamide in dog and rat. J Pharm Pharmacol. 1989 Sep;41(9):624-7.

A pharmacokinetic study of cyanamide, an inhibitor of aldehyde dehydrogenase (E.C. 1.2.1.3) has been made in the beagle dog and Sprague-Dawley rat.
1(0,0,0,1) Details
19657887 de Haro L: Disulfiram-like syndrome after hydrogen cyanamide professional skin exposure: two case reports in France. J Agromedicine. 2009;14(3):382-4.

Contact with the skin can result in percutaneous absorption of the substance that inhibits aldehyde dehydrogenase and can induce acetaldehyde syndrome in case of alcohol use.
1(0,0,0,1) Details
15289380 Zhang J, Chen Z, Cobb FR, Stamler JS: Role of mitochondrial aldehyde dehydrogenase in nitroglycerin-induced vasodilation of coronary and systemic vessels: an intact canine model. Circulation. 2004 Aug 10;110(6):750-5. Epub 2004 Aug 2.

Each dog was given a 1-mL bolus injection of GTN, sodium nitroprusside (SNP), or adenosine through a catheter in the left atrium before and 30 minutes after infusion of cyanamide (17 mg/kg), an inhibitor of mtALDH.
1(0,0,0,1) Details
9972923 Lee JY, Chung SM, Lee MY, Chung JH: Ethanol co-exposure increases lethality of allyl alcohol in male Sprague-Dawley rats. J Toxicol Environ Health A. 1999 Jan 22;56(2):121-30.


Since allyl alcohol and ethanol are both metabolized by alcohol dehydrogenase (ADH) and aldehyde dehydrogenase (ALDH), ethanol could affect allyl-alcohol induced toxicity under in vivo coexposure conditions.
1(0,0,0,1) Details
11498807 Stanek J, Symanowicz PT, Olsen JE, Gianutsos G, Morris JB: Sensory-nerve-mediated nasal vasodilatory response to inspired acetaldehyde and acetic acid vapors. Inhal Toxicol. 2001 Sep;13(9):807-22.

Acetaldehyde is metabolized by aldehyde dehydrogenase to acetic acid.
Pretreatment with the aldehyde dehydrogenase inhibitor cyanamide (10 mg/kg, 1 h prior to exposure) reduced the vasodilatory response to 200 ppm but not to 50 ppm acetaldehyde.
1(0,0,0,1) Details
10791063 Pron'ko PS, Kuz'mich AB, Abakumov GZ: [Effect of alcohol intoxication and aldehyde dehydrogenase inhibitors on lipid peroxidation in rat liver]. Ukr Biokhim Zh. 1999 Jul-Aug;71(4):79-83.

Cyanamide (50 mg/kg, 2 h before the ethanol) increased approximately 100-fold the acetaldehyde levels, however, the changes in lipid peroxidation were not significantly different from that produced by ethanol alone.
1(0,0,0,1) Details
8843167 Svensson S, Lundsjo A, Cronholm T, Hoog JO: Aldehyde dismutase activity of human liver alcohol dehydrogenase. . FEBS Lett. 1996 Sep 30;394(2):217-20.

The class I beta1beta1 isozyme and the class II alcohol dehydrogenase showed moderate catalytic efficiencies for dismutase activity with lower kcat values, 60-75 min (-1). 4-Methylpyrazole, a potent class I ADH inhibitor, inhibited the class I dismutation completely, but cyanamide, an inhibitor of mitochondrial aldehyde dehydrogenase, did not affect the dismutation.
The dismutase reaction might be important for metabolism of aldehydes during inhibition or lack of mitochondrial aldehyde dehydrogenase activity.
1(0,0,0,1) Details
2329500 Ghanayem BI, Sanders JM, Clark AM, Bailer J, Matthews HB: Effects of dose, age, inhibition of metabolism and elimination on the toxicokinetics of 2-butoxyethanol and its metabolites. J Pharmacol Exp Ther. 1990 Apr;253(1):136-43.

Recently, we have shown that butoxyacetic acid (BAA) is the proximate hemolytic agent and that inhibition of alcohol or aldehyde dehydrogenases protected rats against BE-induced hemolytic anemia.
In the present investigations, the kinetics of 14C-BE metabolism and clearance were studied in control adult (3-4 months old) and old (12-13 months old) male F344 rats and in adult male F344 rats treated with pyrazole, cyanamide or probenecid.
1(0,0,0,1) Details
1448464 Myers RD, Lankford M, Bjork A: Selective reduction by the 5-HT antagonist amperozide of alcohol preference induced in rats by systemic cyanamide. Pharmacol Biochem Behav. 1992 Nov;43(3):661-7.

This investigation was undertaken to determine the effect of a unique psychotropic agent on the volitional drinking of alcohol induced pharmacologically in the rat by an inhibitor of aldehyde dehydrogenase.
1(0,0,0,1) Details
1766365 Heinstra PW, Geer BW: Metabolic control analysis and enzyme variation: nutritional manipulation of the flux from ethanol to lipids in Drosophila. Mol Biol Evol. 1991 Sep;8(5):703-8.

The effect that variation in activities of the enzymes alcohol dehydrogenase (ADH) and aldehyde dehydrogenase (ALDH) has on the flux from 14C-ethanol to lipids was examined in third-instar larvae of Drosophila melanogaster and D. simulans.
The activities of ADH and ALDH were also nutritionally manipulated by the inhibitor, cyanamide.
1(0,0,0,1) Details
2312053 Lin RC, Fillenwarth MJ, Minter R, Lumeng L: Formation of the 37-kD protein-acetaldehyde adduct in primary cultured rat hepatocytes exposed to alcohol. Hepatology. 1990 Mar;11(3):401-7.

Although the maximal intensity was obtained at approximately 10 to 40 mmol/L ethanol, addition of cyanamide (an inhibitor of aldehyde dehydrogenase) further increased the intensity of this protein-acetaldehyde adduct band by more than twofold.
Although the maximal intensity was obtained at approximately 10 to 40 mmol/L ethanol, addition of cyanamide (an inhibitor of aldehyde dehydrogenase) further increased the intensity of this protein-acetaldehyde adduct band by more than twofold.
1(0,0,0,1) Details
7923171 Andersson BS, Mroue M, Britten RA, Murray D: The role of DNA damage in the resistance of human chronic myeloid leukemia cells to cyclophosphamide analogues. Cancer Res. 1994 Oct 15;54(20):5394-400.

To determine whether the approximately 9-fold reduction of initial 4HC-induced ISCs was related to elevated aldehyde dehydrogenase (ADH), we examined PM-mediated cytotoxicity and ISC induction in the two cell lines.
Furthermore, when cells were exposed to 4HC in the presence of 40 micrograms/ml cyanamide, an efficient inhibitor of ADH, the resistance index based on the 50% inhibitory concentration values was decreased to approximately 8.
1(0,0,0,1) Details
3724077 Jones AW: Drug-alcohol flush reaction and breath acetaldehyde concentration: no interference with an infrared breath alcohol analyzer. J Anal Toxicol. 1986 May-Jun;10(3):98-101.


Calcium carbimide, an inhibitor of aldehyde dehydrogenase, caused intense facial flushing and a pronounced rise in the concentration of acetaldehyde in breath.
1(0,0,0,1) Details
3759956 Kosugi K, Chandramouli V, Kumaran K, Schumann WC, Landau BR: Determinants in the pathways followed by the carbons of acetone in their conversion to glucose. J Biol Chem. 1986 Oct 5;261(28):13179-81.

When rats were given cyanamide and then the large dose of acetone, 74% of the 14C in the glucose they formed was in carbons 3 and 4 of the glucoses.
Thus, the relative contribution of the pathway to lactate, or its metabolic equivalent, that has been proposed appears to be lessened by the administration of an aldehyde dehydrogenase inhibitor.
1(0,0,0,1) Details
4015825 Svanas GW, Weiner H: Use of cyanamide to determine localization of acetaldehyde metabolism in rat liver. Alcohol. 1985 Jan-Feb;2(1):111-5.

Mitochondrial low-Km aldehyde dehydrogenase (ALDH) was partially inactivated and the effect on acetaldehyde oxidation measured.
1(0,0,0,1) Details
17047928 Izco M, Orio L, O'Shea E, Colado MI: Binge ethanol administration enhances the MDMA-induced long-term 5-HT neurotoxicity in rat brain. Psychopharmacology. 2007 Jan;189(4):459-70. Epub 2006 Oct 18.

The magnitude of this effect is more pronounced after increasing plasma acetaldehyde levels by aldehyde dehydrogenase inhibition.
A group of rats received cyanamide (50 mg/kg) on days 1 and 3 of the 4-day-ethanol inhalation.
1(0,0,0,1) Details
12711651 Jamal M, Ameno K, Kubota T, Ameno S, Zhang X, Kumihashi M, Ijiri I: In vivo formation of salsolinol induced by high acetaldehyde concentration in rat striatum employing microdialysis. Alcohol Alcohol. 2003 May-Jun;38(3):197-201.

AIMS: The in vivo formation of salsolinol (1-methyl-6,7-dihydroxy-1,2,3,4-tetrahydroisoquionoline), an endogeneous condensation product of dopamine (DA) with acetaldehyde (AcH), was examined following the administration of cyanamide (CY) plus ethanol (EtOH) using microdialysis-high-performance liquid chromatography with electrochemical detection.
METHODS: After the insertion of a microdialysis probe into the striatum, rats were treated with CY (a potent inhibitor of aldehyde dehydrogenase, 50 mg/kg), 4-methylpyrazole (4-MP, a strong inhibitor of alcohol dehydrogenase, 82 mg/kg), and CY + 4-MP, followed 1 h later by EtOH (1 g/kg), CY and 4-MP only by intraperitoneal administration.
1(0,0,0,1) Details
9794917 Bailey SM, Cunningham CC: Acute and chronic ethanol increases reactive oxygen species generation and decreases viability in fresh, isolated rat hepatocytes. Hepatology. 1998 Nov;28(5):1318-26.

Incubation with pyruvate, an NADH-oxidizing compound, and cyanamide, an inhibitor of aldehyde dehydrogenase, significantly decreased ROS levels in acute ethanol-treated hepatocytes.
Incubation with pyruvate, an NADH-oxidizing compound, and cyanamide, an inhibitor of aldehyde dehydrogenase, significantly decreased ROS levels in acute ethanol-treated hepatocytes.
1(0,0,0,1) Details
3178876 Kera Y, Ohbora Y, Komura S: The metabolism of acetaldehyde and not acetaldehyde itself is responsible for in vivo ethanol-induced lipid peroxidation in rats. Biochem Pharmacol. 1988 Oct 1;37(19):3633-8.


The cyanamide treatment (15 mg/kg) effectively decreased 83% of the low Km and 70% of the high Km ALDH in the liver.
0(0,0,0,0) Details
6298405 Zaleska MM, Gessner PK: Metabolism of [14C] paraldehyde in mice in vivo, generation and trapping of acetaldehyde. J Pharmacol Exp Ther. 1983 Mar;224(3):614-9.


Pretreatment with the aldehyde dehydrogenase inhibitors, pargyline or cyanamide, did not result in the accumulation or excretion of detectable amounts of AcH.
0(0,0,0,0) Details
3287984 Speisky H, Kera Y, Penttila KE, Israel Y, Lindros KO: Depletion of hepatic glutathione by ethanol occurs independently of ethanol metabolism. Alcohol Clin Exp Res. 1988 Apr;12(2):224-8.


Neither inhibition of ethanol metabolism with 4-methylpyrazole, nor a 10-fold elevation of acetaldehyde levels by inhibition of aldehyde dehydrogenase with cyanamide or disulfiram, affected the magnitude of the GSH depletion observed in vivo.
0(0,0,0,0) Details
11893554 Duan J, McFadden GE, Borgerding AJ, Norby FL, Ren BH, Ye G, Epstein PN, Ren J: Overexpression of alcohol dehydrogenase exacerbates ethanol-induced contractile defect in cardiac myocytes. Am J Physiol Heart Circ Physiol. 2002 Apr;282(4):H1216-22.


Pretreatment with the ADH inhibitor 4-methylpyrazole (4-MP) or the aldehyde dehydrogenase inhibitor cyanamide prevented or augmented the ethanol-induced inhibition, respectively, in the ADH but not the FVB group.
0(0,0,0,0) Details
9556565 Srivastava S, Chandra A, Wang LF, Seifert WE Jr, DaGue BB, Ansari NH, Srivastava SK, Bhatnagar A: Metabolism of the lipid peroxidation product, 4-hydroxy-trans-2-nonenal, in isolated perfused rat heart. J Biol Chem. 1998 May 1;273(18):10893-900.


When exposed to sorbinil, an inhibitor of aldose reductase, no GS-DHN was recovered in the coronary effluent, and treatment with cyanamide, an inhibitor of aldehyde dehydrogenase, attenuated 4-hydroxy-2-nonenoic acid formation.
0(0,0,0,0) Details
8707122 Altomare E, Grattagliano I, Vendemiale G, Palmieri V, Palasciano G: Acute ethanol administration induces oxidative changes in rat pancreatic tissue. Gut. 1996 May;38(5):742-6.


Pretreatment with cyanamide (an inhibitor of aldehyde dehydrogenase) but not with 4-methylpyrazole (an alcohol dehydrogenase inhibitor) caused higher production of GSSG and MDA.
0(0,0,0,0) Details
8974374 Helander A, Beck O, Borg S: The use of 5-hydroxytryptophol as an alcohol intake marker. Alcohol Alcohol Suppl. 1994;2:497-502.


Disulfiram and cyanamide, however, will elevate urinary 5HTOL/5HIAA ratio.
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15950440 Tambour S, Didone V, Tirelli E, Quertemont E: Dissociation between the locomotor and anxiolytic effects of acetaldehyde in the elevated plus-maze: evidence that acetaldehyde is not involved in the anxiolytic effects of ethanol in mice. Eur Neuropsychopharmacol. 2005 Dec;15(6):655-62. Epub 2005 Jun 9.


In an independent experiment, cyanamide, an aldehyde dehydrogenase inhibitor, prevented the locomotor stimulant effects of ethanol, although it failed to alter its anxiolytic effects.
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2394940 Solomon LR, Crouch JY: delta-Aminolevulinic acid dehydratase in rat liver: studies on the effects of ethanol, acetaldehyde, and B6 vitamers. J Lab Clin Med. 1990 Aug;116(2):228-36.


Inactivation of ALAD by acetaldehyde was prevented by the metabolic inhibitor NaF but not by the aldehyde dehydrogenase inhibitor cyanamide.
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