PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9661638-4 1998 In the present study, testosterone and N-acetyl-L-cysteine (NAC), which is an antioxidant, an inhibitor of apoptosis in several systems, and a survival factor in human semen, were found to suppress programmed cell death in human testicular germ cells in vitro. Testosterone 22-34 X-linked Kx blood group Homo sapiens 60-63