title: Differences in properties of newly formed collagen during aging and parabiosis.
mesh_terms: D000375:Aging; D000596:Amino Acids / Q000032:analysis; D000818:Animals; D001798:Blood Proteins; D002247:Carbon Isotopes; D055598:Chemical Phenomena; D002621:Chemistry; D003094:Collagen / Q000096:biosynthesis / Q000378:metabolism; D003238:Connective Tissue / Q000378:metabolism; D004247:DNA / Q000032:analysis; D005347:Fibroblasts / Q000378:metabolism; D008099:Liver; D008297:Male; D003012:Microbial Collagenase; D010227:Parabiosis; D010434:Pepsin A; D011392:Proline / Q000378:metabolism; D011506:Proteins; D051381:Rats
chemical_list: D000596:Amino Acids; D001798:Blood Proteins; D002247:Carbon Isotopes; D011506:Proteins; D003094:Collagen; D004247:DNA; D011392:Proline; D010434:Pepsin A; D003012:Microbial Collagenase