Abstract
Percoll-purified mature rat Leydig cells have been used to evaluate the testicular toxicity of two highly potent intercalating agents (Celiptium and MR 14505). Testosterone secretion in the absence and in the presence of human chorionic gonadotropin (hCG) was measured to assess Leydig cell function. Celiptium and MR 14504 induce time- and dose-related inhibitory effects on the production of testosterone by Leydig cells, both in the presence and in the absence of hCG, whatever the concentration of hCG used. We have observed that MR 14504 is about 5 times more potent as an inhibitor of rat Leydig cell steroidogenesis than Celiptium without inducing any cell toxicity. The present study indicates that the Leydig cell is an additional potential site for the primary toxic effects of these drugs in the adult rat testis.
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Al Kadri, H., Lancelot, J., Drosdowsky, M. et al. In vitro effects of Celiptium and MR 14504 on mature rat Leydig cell testosterone production. Cell Biol Toxicol 13, 83–94 (1997). https://doi.org/10.1023/B:CBTO.0000010393.20626.18
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DOI: https://doi.org/10.1023/B:CBTO.0000010393.20626.18