Sci Rep:雌激素和选择性雌激素受体调节剂对前列腺细胞增殖影响的系统研究

2020-03-23 AlexYang MedSci原创

雌激素信号途径能够通过雌激素受体α和β(ERα和ERβ)调节前列腺癌(PCa)的进展。选择性雌激素受体调制剂(SERMs)已经用于治疗乳腺癌,ERs也已经被

雌激素信号途径能够通过雌激素受体α和β(ERα和ERβ)调节前列腺癌(PCa)的进展。选择性雌激素受体调制剂(SERMs)已经用于治疗乳腺癌,ERs也已经被提出作为PCa治疗靶标。然而,ERs的表达和SERMs对PCa治疗效果还存在很多不一致的迪昂,尤其是由于使用缺乏特异性的ERβ抗体和高浓度的SERM导致脱靶效应的出现。

最近,有研究人员为了解决上述问题,研究了雌激素配体和抗雌激素配体在体外PCa模型中的影响,并有合适的对照、剂量和ER亚型特异性抗体。研究发下,当使用9种雌激素/抗雌激素化合物(包括5种SERMs)的生理相关浓度时,研究人员没有发现对PCa细胞增殖产生的显著影响。通过使用RNA-seq和验证过抗体,研究人员阐释了这些PCa模型并不表达ERs。相反,来自患者的PCa样本的RNA-seq具有可检测到的ERα。

最后,研究人员指出,他们的研究阐释了常用的PCa模型对研究ERs是不合适的,指出使用合适的模型对研究PCa中雌激素信号途径的作用是必要的。

原始出处:

Camille Lafront, Lucas Germain, Cindy Weidmann et al. A Systematic Study of the Impact of Estrogens and Selective Estrogen Receptor Modulators on Prostate Cancer Cell Proliferation. Sci Rep. 04 Mar 2020

 

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