Prostate:前列腺癌中的雌激素受体信号分析

2017-11-13 AlexYang MedSci原创

雄激素受体(AR)是前列腺癌预防和治疗的经典靶标。但是,有研究表明雌激素和它们的受体同样涉及到了前列腺癌发展和肿瘤恶化。最近,有研究人员回顾了最近的实验和临床数据,从而来阐释雌激素和它们的受体对前列腺致瘤和肿瘤恶化产生作用的病理机制。研究发现,雌激素受体(ERβ)是人类前列腺中最普遍的ER,然而雌激素受体(ERα)的分布限制在前列腺上皮基底细胞和基质细胞中。在高等级前列腺上皮内瘤(HGPIN)中,

雄激素受体(AR)是前列腺癌预防和治疗的经典靶标。但是,有研究表明雌激素和它们的受体同样涉及到了前列腺癌发展和肿瘤恶化。最近,有研究人员回顾了最近的实验和临床数据,从而来阐释雌激素和它们的受体对前列腺致瘤和肿瘤恶化产生作用的病理机制。研究发现,雌激素受体(ERβ)是人类前列腺中最普遍的ER,然而雌激素受体(ERα)的分布限制在前列腺上皮基底细胞和基质细胞中。在高等级前列腺上皮内瘤(HGPIN)中,ERα表达上调并且很可能调控此技术的致癌效应,正如动物模型中所述。ERβ在HGPIN中的部分丧失表明了ERβ可作为一个肿瘤抑制因子。一个主要的前列腺致瘤促使因子TMPRSS2-ERG组分,可以由ERα激活和由ERβ抑制。ERβ通常存在于激素中和转移性前列腺癌中,但是在去势抵抗性疾病中部分丢失。另外,ERα和ERα调控的基因(比如黄体酮受体(PR)、PS2、TMPRSS2-ERG组分和NEAT1)在亲列仙癌激战和激素难治性疾病中越来越多的出现表明了这些肿瘤可以通过利用雌激素和黄体酮绕开AR而进行生长。除此之外,由孤儿受体(如GPR30和ERRα)调控的非基因组雌激素信号通路也涉及到了前列腺癌的进

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    2017-11-15 lsndxfj
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    2017-11-15 sunylz
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    2017-11-13 中医痴

    不错了.学习了.谢谢分享!

    0

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