Amino acid metabolism after intense exercise.

  title={Amino acid metabolism after intense exercise.},
  author={John T. Devlin and Isadore Brodsky and Angus Scrimgeour and Sidney J. Fuller and Dennis M. Bier},
  journal={The American journal of physiology},
  volume={258 2 Pt 1},
We studied postexercise amino acid metabolism, in the whole body and across the forearm. Seven volunteers were infused with L-[alpha-15N]lysine and L-[1-13C]-leucine twice [one time during 3 h after cycle exercise (75% VO2max), and one time in the resting state]. Whole body protein breakdown was estimated from dilution of L-[alpha-15N]lysine and L-[1-13C]ketoisocaproic acid (KIC) enrichments in plasma. Leucine oxidation was calculated from 13CO2 enrichments in expired air. Whole body protein… CONTINUE READING
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