PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1659519-1 1991 In the present study, we have tested the direct effects of tumor necrosis factor-alpha (TNF-alpha) on basal and human (h)CG-stimulated testosterone secretion by cultured purified Leydig cells isolated from immature porcine testes. Testosterone 135-147 glycoprotein hormones, alpha polypeptide Homo sapiens 121-123