title: Influence of genistein (4',5,7-trihydroxyisoflavone) on the growth and proliferation of testicular cell lines.
abstract: The effects of genistein on testicular cells, TM3, TM4, and GC-1 spg, were studied in vitro. First, each cell line was cultured with pre-determined concentrations of genistein for a maximum of 72 h to assess the effects of genistein on in vitro growth of the test cells. A second series of experiments were performed to determine the degree of genistein-induced apoptosis in these cells, using Apop-Tag kit reagents, to detect apoptotic cells in situ by specific end labeling, and detection of DNA fragments produced by the apoptotic process. The results obtained indicate that: i) genistein inhibits the growth and proliferation of testicular cells; ii) growth inhibition and proliferation is dose- and exposure-time dependent; iii) there is significant difference in sensitivity of the different testicular cells to genistein; iv) genistein induces apoptosis in testicular cells in a concentration-dependent manner. Genistein-induced apoptosis identifies genistein as a potential diagnostic and therapeutic tool in testicular pathophysiological research.
authors.affiliation: Florida Atlantic University, Department of Biology, College of Liberal Arts & Sciences, Davie 33314, USA.
authors.forename: J
authors.initials: J
authors.lastname: Kumi-Diaka
authors.forename: R
authors.initials: R
authors.lastname: Rodriguez
authors.forename: G
authors.initials: G
authors.lastname: Goudaze
mesh_terms: D000818:Animals; D017209:Apoptosis / Q000187:drug effects; D002455:Cell Division / Q000187:drug effects; D002460:Cell Line; D053938:DNA Fragmentation / Q000187:drug effects; D019833:Genistein / Q000494:pharmacology*; D006131:Growth Inhibitors / Q000494:pharmacology*; D007985:Leydig Cells / Q000166:cytology / Q000187:drug effects / Q000378:metabolism; D008297:Male; D051379:Mice; D012708:Sertoli Cells / Q000166:cytology / Q000187:drug effects / Q000378:metabolism; D013093:Spermatogonia / Q000166:cytology / Q000187:drug effects / Q000378:metabolism; D013737:Testis / Q000166:cytology* / Q000187:drug effects* / Q000378:metabolism
chemical_list: D006131:Growth Inhibitors; D019833:Genistein