PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6431000-11 1984 Incorporation of 14C-arachidonic acid into 23A4 cells, followed by stimulation of the cells with GEF, resulted in the release of 14C-arachidonate. 14c-arachidonic acid 17-37 rho/rac guanine nucleotide exchange factor (GEF) 2 Mus musculus 97-100