title: Collagen cross-linking compounds in human urine.
abstract: We report the isolation and chemical characterization of collagen cross-linking compounds, 3-hydroxypyridinium and dihydroxylysinonorleucine, from human urine.
mesh_terms: D000125:Achilles Tendon / Q000032:analysis; D004151:Dipeptides / Q000652:urine*; D006801:Humans; D008722:Methods; D011725:Pyridines / Q000302:isolation & purification / Q000652:urine*; D013053:Spectrophotometry
chemical_list: D004151:Dipeptides; D011725:Pyridines; C007428:5,5'-dihydroxylysylnorleucine; C023500:3-hydroxypyridine