PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16386710-5 2006 In U937 cells niacin-induced expression of 15-deoxy-Delta(12,14)-prostaglandin J(2) (15d-PGJ(2)), the most potent endogenous ligand of PPARgamma. 15-deoxy-delta 43-57 peroxisome proliferator activated receptor gamma Homo sapiens 135-144