Urinary hydroxyproline peptides.

  title={Urinary hydroxyproline peptides.},
  author={Edward Meilman and M Urivetzky and C M RAPOPORT},
  journal={The Journal of clinical investigation},
Collagens from widely different animal sources all contain the amino acid hydroxyproline (hypro). Except for a small amount found in elastin, hypro has been found in no other animal protein and therefore may be considered an in vivo label of collagen. In the absence of exogenous sources (diet rich in gelatin or collagen), individuals excrete a more or less… CONTINUE READING