Biochimica et biophysica acta, 1637(1), 119-126 (2003-01-16)
Mitochondrial dysfunction occurs in many neurodegenerative diseases. The alpha-ketoglutarate dehydrogenase complex (KGDHC) catalyzes a key and arguably rate-limiting step of the tricarboxylic acid cycle (TCA). A reduction in the activity of the KGDHC occurs in brains and cells of patients
Insulin-releasing effects of 2-ketobutyric acid (KB), 2-ketoisocaproic acid (KIC), 2-keto-3-methylvaleric acid (KMV), and 3-phenylpyruvic acid (PP) were examined by using clonal beta cells. Whereas KIC, KMV, and PP dose-dependently initiated insulin secretion and potentiated the effects of 4.2-16.7 mM glucose
Journal of bacteriology, 182(11), 3239-3246 (2000-05-16)
Recently the bkd gene cluster from Enterococcus faecalis was sequenced, and it was shown that the gene products constitute a pathway for the catabolism of branched-chain alpha-keto acids. We have now investigated the regulation and physiological role of this pathway.
Biochimica et biophysica acta, 1475(2), 114-118 (2000-06-01)
Maple syrup urine disease is a metabolic disorder caused by mutations of the branched chain keto acid dehydrogenase complex, leading to accumulation of alpha-keto acids and their amino acid precursors in the brain. We now report that alpha-ketoisovaleric, alpha-keto-beta-methyl-n-valeric and
Annals of the New York Academy of Sciences, 1042, 272-278 (2005-06-21)
The alpha-ketoglutarate dehydrogenase complex (KGDHC) is a mitochondrial enzyme in the TCA cycle. Inhibition of KGDHC activity by alpha-keto-beta-methyl-n-valeric acid (KMV) is associated with neuron death. However, the effect of KMV in microglia is unclear. Therefore, we investigated the effect
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