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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Protection from procarbazine-induced damage of spermatogenesis in the rat by androgen.

Protection of spermatogenesis from cytotoxic drug-induced damage has been investigated in the rat. Complete germinal aplasia was observed at 8 and 11 weeks after four doses of procarbazine hydrochloride administered weekly (150 mg/kg, first dose; 100 mg/kg, 3 subsequent doses). Pretreatment of rats for 6 weeks plus continued treatment during procarbazine administration with testosterone enanthate, 240 micrograms/100 g body weight, resulted in a marked protection of spermatogenesis. A mean of 22% of seminiferous tubule cross-sections at both 8 and 11 weeks exhibited spermatogenesis, and developing spermatids were observed in 60% of these repopulating tubules at the later time. These results provide evidence that protection of spermatogenesis during chemotherapy may be achieved by androgen treatment.[1]


  1. Protection from procarbazine-induced damage of spermatogenesis in the rat by androgen. Delic, J.I., Bush, C., Peckham, M.J. Cancer Res. (1986) [Pubmed]
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