title: Assay of protocollagen lysyl hydroxylase activity in the skin of human subjects and changes in the activity with age.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000375:Aging; D000818:Animals; D002250:Carbon Radioisotopes; D002642:Chick Embryo; D002648:Child; D002675:Child, Preschool; D003094:Collagen; D005260:Female; D005333:Fetus; D006801:Humans; D006901:Hydroxylysine; D007223:Infant; D007231:Infant, Newborn; D007656:Ketoglutaric Acids; D008239:Lysine; D008875:Middle Aged; D006899:Mixed Function Oxygenases / Q000378:metabolism*; D011247:Pregnancy; D011498:Protein Precursors; D012867:Skin / Q000166:cytology / Q000201:enzymology* / Q000254:growth & development; D013347:Subcellular Fractions / Q000201:enzymology
chemical_list: D002250:Carbon Radioisotopes; D007656:Ketoglutaric Acids; D011498:Protein Precursors; D006901:Hydroxylysine; D003094:Collagen; D006899:Mixed Function Oxygenases; D008239:Lysine