title: [Transmethylation processes in senile involution: a working hypothesis].
mesh_terms: D000225:Adenine / Q000378:metabolism*; D000375:Aging; D001161:Arteriosclerosis / Q000209:etiology* / Q000378:metabolism; D002395:Catecholamines / Q000096:biosynthesis; D004247:DNA / Q000096:biosynthesis; D006801:Humans; D008074:Lipoproteins / Q000096:biosynthesis; D008715:Methionine / Q000378:metabolism*; D008745:Methylation; D008780:Methyltransferases / Q000378:metabolism*; D010713:Phosphatidylcholines / Q000096:biosynthesis; D010743:Phospholipids / Q000096:biosynthesis; D012313:RNA / Q000096:biosynthesis; D012436:S-Adenosylmethionine / Q000378:metabolism; D014805:Vitamin B 12 / Q000096:biosynthesis
chemical_list: D002395:Catecholamines; D008074:Lipoproteins; D010713:Phosphatidylcholines; D010743:Phospholipids; D012313:RNA; D012436:S-Adenosylmethionine; D004247:DNA; D008715:Methionine; D008780:Methyltransferases; D000225:Adenine; D014805:Vitamin B 12
vernacular_title: Le transmetilazioni nell'involuzione senile: un'ipotesi di lavoro.