Effect of endurance training on ammonia and amino acid metabolism in humans

Terry E Graham*, Lauraine P Turcotte, Bente Kiens, Erik A. Richter

*Corresponding author for this work

    Research output: Contribution to journalJournal articleResearchpeer-review

    33 Citations (Scopus)

    Abstract

    Few studies examine ammonia and amino acid metabolism in response to endurance training Trained humans generally experience less increase in plasma ammonia during either prolonged or intense exercise. This is probably a reflection of reduced ammonia production and release from the active muscle; it could be a reflection of decreased AMP deaminase activity, decreased glutamate dehydrogenase activity, and/or increased alanine and glutamine formation. Little is known regarding the associated enzyme systems in humans, but in experiments with animal models, aerobic training decreases AMP deaminase and increases the enzymes of amino acid transamination and oxidation.

    Original languageEnglish
    JournalMedicine and Science in Sports and Exercise
    Volume29
    Issue number5
    Pages (from-to)646-653
    Number of pages8
    ISSN0195-9131
    DOIs
    Publication statusPublished - 1997

    Keywords

    • ALANINE
    • AMP DEAMINASE
    • BRANCHED CHAIN KETO ACID DEHYDROGENASE
    • GLUTAMATE DEHYDROGENASE
    • GLUTAMINE
    • PROTEIN

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