PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 188702-3 1977 However, it was demonstrated that (a) the hCGs used were biologically active since they stimulated cAMP and testosterone production by rat Leydig cells, and (b) there are receptor sites on the rat ovary that bind [125I]hCG and recognize rat luteinizing hormone (LH). Cyclic AMP 99-103 hypertrichosis 2 (generalised, congenital) Homo sapiens 42-45