Protein Information

Name glyceraldehyde 3 phosphate dehydrogenase
Synonyms CDABP0047; G3PD; GAPD; GAPD protein; GAPDH; Glyceraldehyde 3 phosphate dehydrogenase; GAPD proteins; Glyceraldehyde 3 phosphate dehydrogenases

Compound Information

Name IAA
CAS

Reference List

PubMed Abstract RScore(About this table)
10937934 Even S, Garrigues C, Loubiere P, Lindley ND, Cocaign-Bousquet M: Pyruvate metabolism in Lactococcus lactis is dependent upon glyceraldehyde-3-phosphate dehydrogenase activity. Metab Eng. 1999 Jul;1(3):198-205.

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19584905 Schmidt MM, Dringen R: Differential effects of iodoacetamide and iodoacetate on glycolysis and glutathione metabolism of cultured astrocytes. Front Neuroenergetics. 2009;1:1. Epub 2009 Mar 24.


Iodoacetamide (IAA) and iodoacetate (IA) have frequently been used to inhibit glycolysis, since these compounds are known for their ability to irreversibly inhibit the glycolytic enzyme glyceraldehyde-3-phosphate dehydrogenase (GAPDH).
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19367647 Cardenas-Rodriguez N, Guzman-Beltran S, Medina-Campos ON, Orozco-Ibarra M, Massieu L, Pedraza-Chaverri J: The effect of nordihydroguaiaretic acid on iodoacetate-induced toxicity in cultured neurons. J Biochem Mol Toxicol. 2009 Mar;23(2):137-42.


Taking into account some evidence about neuroprotective effects elicited by NDGA, we evaluated the effect of this compound on the neurotoxicity induced by iodoacetate (IAA), an inhibitor of glyceraldehyde-3-phosphate dehydrogenase (GAPDH), on cerebellar granule neurons.
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17725817 Gallis JL, Tissier P, Gin H, Beauvieux MC: Decrease in oxidative phosphorylation yield in presence of butyrate in perfused liver isolated from fed rats. BMC Physiol. 2007 Aug 28;7:8.


The rate of ATP synthesis was determined in the steady state by monitoring the rate of ATP loss after inhibition of (i) cytochrome oxidase (oxidative phosphorylation) with KCN (2.5 mmol/L) and (ii) glyceraldehyde 3-phosphate dehydrogenase (glycolysis) with IAA (0.5 mmol/L).
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12714331 Harrison GJ, van Wijhe MH, de Groot B, Dijk FJ, Gustafson LA, van Beek JH: Glycolytic buffering affects cardiac bioenergetic signaling and contractile reserve similar to creatine kinase. Am J Physiol Heart Circ Physiol. 2003 Aug;285(2):H883-90. Epub 2003 Apr 24.


Tyrode-perfused hearts were exposed to 15 min of the following: 1) 0.4 mM iodoacetamide (IA; n = 6) to block CK (CK activity <3% vs. control), 2) 0.3 mM iodoacetic acid (IAA; n = 5) to inhibit glycolysis (GAPDH activity <3% vs. control), or 3) vehicle (control, n = 7) at 37 degrees C.
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11677264 Guo Z, Lee J, Lane M, Mattson M: Iodoacetate protects hippocampal neurons against excitotoxic and oxidative injury: involvement of heat-shock proteins and Bcl-2. J Neurochem. 2001 Oct;79(2):361-70.


In the present study we employed iodoacetic acid (IAA), an inhibitor of glyceraldehyde-3-phosphate dehydrogenase, to test the hypothesis that inhibition of glycolysis can protect neurons.
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10215508 Rego AC, Areias FM, Santos MS, Oliveira CR: Distinct glycolysis inhibitors determine retinal cell sensitivity to glutamate-mediated injury. Neurochem Res. 1999 Mar;24(3):351-8.


Three different approaches were used to inhibit glycolysis: the cells were submitted to iodoacetic acid (IAA), an inhibitor of glyceraldehyde 3-phosphate dehydrogenase, to 2-deoxy-glucose (DG) in glucose-free medium, which was used as a substitute of glucose, or in the absence of glucose.
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