What is the role of L-lactate in the pathogenesis of metabolic acidosis?

Updated: Dec 08, 2020
  • Author: Christie P Thomas, MBBS, FRCP, FASN, FAHA; Chief Editor: Vecihi Batuman, MD, FASN  more...
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Briefly, L-lactate is a product of pyruvic acid metabolism in a reaction catalyzed by lactate dehydrogenase that also involves the conversion of nicotinamide adenine dinucleotide (NADH) to the oxidized form of nicotinamide adenine dinucleotide (NAD+). This is an equilibrium reaction that is bidirectional, and the amount of lactate produced is related to the reactant concentration in the cytosol (pyruvate, NADH/NAD+).

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