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Chronic Effect of Cadmium on Serum Concentrations of Estradiol and Testosterone in Male Rana nigromaculata

机译:镉对雄性Rana Nigromaculata雌二醇和睾酮血清浓度的慢性作用

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The adult male Rana nigromaculata were exposed to different doses of cadmium for 30d, serum concentrations of the steroid hormones, testosterone and estradiol were examined. Chronic exposure to cadmium caused significant changes both at the testosterone and estradiol levels. Exposure to cadmium resulted in lesser serum testosterone concentrations and more estradiol in 0.05 and 0.1 ppm. Although not statistically significant, frogs exposed to 0.2 ppm had smaller drop in testosterone and significant more estradiol. The results suggest that cadmium exhibited the non-monotonic dose-response relationship with the serum hormone concentrations, testosterone and estradiol.
机译:将成年雄性Rana Nigromaculata暴露于30D的不同剂量的镉,检查了类固醇激素,睾酮和雌二醇的血清浓度。慢性暴露于镉引起睾酮和雌二醇水平的显着变化。接触镉导致血清睾酮浓度较小,雌二醇在0.05和0.1ppm中。虽然没有统计学意义,但暴露于0.2ppm的青蛙在睾酮和显着的雌二醇中较小。结果表明,镉表现出与血清激素浓度,睾酮和雌二醇的非单调剂量 - 反应关系。

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