根据实验结果表明，虫草的雄激素样作用不是睾丸酮，或许是其所含麦角固醇类物质所致。

The results were shown that the androgen-like effect of caterpillar fungi was not associated with testosterone, but was probably resulted from their containing ergosterol analogues.

结论：上述实验结果表明，通过对9日龄SD幼鼠注射丙酸睾丸酮可建立肾虚不孕大鼠模型。

Conclusion: The results show that Kidney - Deficiency Sterile rats model could be established by injecting testosterone propionate subcutaneously to SD female rats of 9 days age.

据本周神经元研究刊物报道，研究者决定对通过基因工程去掉神经系统中的睾丸酮受体的雄性小鼠进行研究。

In their study, published this week in Neuron, the researchers decided to look at male mice which had been genetically engineered to lack androgen receptors in their nervous systems.