PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17344490-2 2007 Previously, we showed an association between elevated plasma homocysteine, reduced ratios of S-adenosylmethionine to S-adenosylhomocysteine (SAM:SAH) and of phosphatidylcholine to phosphatidylethanolamine, and phospholipid malabsorption in children with CF. Phosphatidylcholines 157-176 acyl-CoA synthetase medium chain family member 3 Homo sapiens 145-148