Harnessing a Different Dependency: How to Identify and Target Androgen Receptor-Positive Versus Quadruple-Negative Breast Cancer.

Harnessing a Different Dependency: How to Identify and Target Androgen Receptor-Positive Versus Quadruple-Negative Breast Cancer.
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DOI:
10.1007/s12672-017-0314-5
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发表时间:
2018-04
期刊:
影响因子:
3
通讯作者:
Richer JK
Richer JK
中科院分区:
医学2区
文献类型:
--
作者:
Christenson JL;Trepel JB;Ali HY;Lee S;Eisner JR;Baskin-Bey ES;Elias AD;Richer JK

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雄激素受体(AR)是一个有前途的治疗靶点的一个子集的三阴性乳腺癌(TNBC),其中AR的表达。然而,在常规治疗之前和之后,AR的机制作用以及原发性和转移性肿瘤对AR的依赖程度仍有待确定。我们讨论了AR+ TNBC的临床前和临床数据,监测AR蛋白水平的困难,确定AR状态的新方法,AR对TNBC背景下“干性”的影响,性类固醇产生和AR的联合抑制作用,以及AR在免疫系统调节中的作用。虽然AR在TNBC亚群中的确切作用仍在表征中,但靶向AR和雄激素产生的新疗法可能为TNBC患者提供额外的选择,化疗目前是唯一的治疗选择。
The androgen receptor (AR) is a promising therapeutic target for a subset of triple-negative breast cancers (TNBCs) in which AR is expressed. However, the mechanistic action of AR and the degree to which primary and metastatic tumors depend on AR, both before and after conventional treatment, remain to be defined. We discuss preclinical and clinical data for AR+ TNBC, the difficulties in monitoring AR protein levels, new methods for determining AR status, the influence of AR on “stemness” in the context of TNBC, the role of combined inhibition of sex steroid production and AR, and the role of AR in regulation of the immune system. Although the exact role of AR in subsets of TNBC is still being characterized, new therapies that target AR and the production of androgens may provide additional options for patients with TNBC for whom chemotherapy is currently the sole treatment option.
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