Protein Information

Name pyruvate dehydrogenase (protein family or complex)
Synonyms Pyruvate dehydrogenase; Pyruvate dehydrogenases

Compound Information

Name sodium arsenite
CAS sodium arsenenite

Reference List

PubMed Abstract RScore(About this table)
6687396 Hsu CA, Aposhian HV, Heydolph S, Parr W: Optical isomers of 2,3-dimercapto-1-propanesulfonate: antidotal activity, in vitro and in vivo, against sodium arsenite. J Pharmacol Exp Ther. 1983 Feb;224(2):314-8.

In addition, when pyruvate dehydrogenase is inhibited, in vitro, by sodium arsenite, any of the three DMPS preparations will reverse the inhibition equally well.
112(1,2,2,2) Details
6327446 Aposhian HV, Carter DE, Hoover TD, Hsu CA, Maiorino RM, Stine E: DMSA, DMPS, and DMPA--as arsenic antidotes. Fundam Appl Toxicol. 1984 Apr;4(2 Pt 2):S58-70.

The sodium arsenite inhibition of the pyruvate dehydrogenase (PDH) complex can be prevented and reversed in vitro or in vivo by DMPS, DMSA, DMPA, or BAL.
81(1,1,1,1) Details
6474464 Stine ER, Hsu CA, Hoover TD, Aposhian HV, Carter DE: N-(2,3-dimercaptopropyl) phthalamidic acid: protection, in vivo and in vitro, against arsenic intoxication. Toxicol Appl Pharmacol. 1984 Sep 15;75(2):329-36.

The effectiveness of DMPA in reducing the toxicity of NaAsO2 was further demonstrated by its reversal of the sodium arsenite inhibition of pyruvate dehydrogenase multienzyme complex (PDH) activity in vitro.
81(1,1,1,1) Details
6772148 Broome MC, Thomas MP, Hillier AJ, Jago GR: Pyruvate dehydrogenase activity in group N streptococci. Aust J Biol Sci. 1980 Mar;33(1):15-25.

2(0,0,0,2) Details
12633610 Lib M, Rodriguez-Mari A, Marusich MF, Capaldi RA: Immunocapture and microplate-based activity measurement of mammalian pyruvate dehydrogenase complex. Anal Biochem. 2003 Mar 1;314(1):121-7.

2(0,0,0,2) Details
7103952 Sale GJ, Randle PJ: Role of individual phosphorylation sites in inactivation of pyruvate dehydrogenase complex in rat heart mitochondria. Biochem J. 1982 Apr 1;203(1):99-108.

2(0,0,0,2) Details
11409934 Petrick JS, Jagadish B, Mash EA, Aposhian HV: Monomethylarsonous acid (MMA (III)) and arsenite: LD (50) in hamsters and in vitro inhibition of pyruvate dehydrogenase. Chem Res Toxicol. 2001 Jun;14(6):651-6.

MMA (III), like sodium arsenite, contains arsenic in the +3 oxidation state.
2(0,0,0,2) Details
10653439 Mitchell RD, Ayala-Fierro F, Carter DE: Systemic indicators of inorganic arsenic toxicity in four animal species. J Toxicol Environ Health A. 2000 Jan 28;59(2):119-34.

Five prospective biological indicators of systemic toxicity were examined at time points ranging from 15 min to 24 h using male Sprague-Dawley rats, B6C3F1 mice, Golden-Syrian hamsters, and Hartley guinea pigs, following intraperitoneal dosing with 0.1 and 1 mg/kg sodium arsenite.
Renal pyruvate dehydrogenase activity was significantly decreased at early time points in mice, hamsters, and guinea pigs, and at later time points in rats dosed with arsenite.
1(0,0,0,1) Details
6306868 Aposhian HV, Hsu CA, Hoover TD: DL- and meso-dimercaptosuccinic acid: in vitro and in vivo studies with sodium arsenite. Toxicol Appl Pharmacol. 1983 Jun 30;69(2):206-13.

The two forms of DMSA are equally effective in preventing or reversing, in vitro, the arsenite inhibition of the activity of mouse kidney pyruvate dehydrogenase (PDH) complex, DL-DMSA, however, is superior to meso-DMSA for the in vivo reversal of PDH activity as measured in vitro.
1(0,0,0,1) Details
8786242 Xu DP, Wells WW: alpha-Lipoic acid dependent regeneration of ascorbic acid from dehydroascorbic acid in rat liver mitochondria. J Bioenerg Biomembr. 1996 Feb;28(1):77-85.

The reactions were strongly inhibited by 1 mM iodoacetamide or sodium arsenite.
Pyruvate dehydrogenase and alpha-ketoglutarate dehydrogenase reduced dehydroascorbic acid to ascorbic acid in an alpha-lipoic acid, coenzyme A, and pyruvate or alpha-ketoglutarate dependent fashion.
1(0,0,0,1) Details
12901003 Samokhvalov VA, Museikina NIu, Mel'nikov GV, Ignatov VV: [Arsenite-induced lipid peroxidation in Saccharomyces cerevisiae] . Mikrobiologiia. 2003 May-Jun;72(3):308-11.

The ability of sodium arsenite at concentrations of 10 (-2), 10 (-4), and 10 (-6) M to induce lipid peroxidation in Saccharomyces cerevisiae cells was studied.
All of the tested arsenite concentrations inhibited the activity of alpha-ketoglutarate dehydrogenase and pyruvate dehydrogenase in cells.
1(0,0,0,1) Details