Functional roles of Speckle-Type Poz (SPOP) Protein in Genomic stability.

Functional roles of Speckle-Type Poz (SPOP) Protein in Genomic stability.
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斑点型 Poz (SPOP) 蛋白在基因组稳定性中的功能作用

DOI:
10.7150/jca.25930
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发表时间:
2018
期刊:
影响因子:
3.9
通讯作者:
Xu B
Xu B
中科院分区:
医学3区
文献类型:
--
作者:
Wei X;Fried J;Li Y;Hu L;Gao M;Zhang S;Xu B

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了解维持基因组稳定性的基本要素的功能意义有助于深入了解肿瘤的发生和发展过程,并预测治疗反应。最近引起人们极大关注的一个这样的元件是斑点类型POZ蛋白(SPOP),它是一种E3泛素连接酶适配器蛋白。SPOP在前列腺癌、肾癌和子宫内膜癌中经常发生突变或表达改变。SPOP参与调节蛋白酶体介导的几种癌蛋白的降解。此外,最近的数据也表明SPOP直接参与了DNA损伤反应。SPOP突变体通过促进容易出错的非同源末端连接(NHEJ)途径,诱导DNA损伤修复途径的改变。SPOP在细胞信号通路和癌症抑制中具有重要作用。这篇简短的综述将讨论关于SPOP在病理环境中的基因组稳定性中的作用的最新发现。
Understanding the functional significance of the essential elements in maintaining genomic stability provides insights into the process of tumor initiation and progression, and predicts therapeutic responses. One such element that has recently attracted significant attention is the Speckle-Type Poz Protein (SPOP), an E3 ubiquitin ligase adaptor protein. SPOP is frequently mutated or has altered expression in various cancers, including prostate, renal and endometrial. SPOP is involved in the regulation of proteasome-mediated degradation of several oncoproteins. Moreover, recent data also indicate SPOP's direct involvement in the DNA damage response. SPOP mutants induce alternations in the DNA damage repair pathway by promoting the error-prone Non-homologous end joining (NHEJ) pathway. SPOP has been linked with significant functions in cellular signaling pathways and cancer suppression. This mini-review will discuss recent findings regarding SPOP's role in genomic stability in the pathological setting.
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