The long noncoding RNA HOTAIR activates the Hippo pathway by directly binding to SAV1 in renal cell carcinoma.

The long noncoding RNA HOTAIR activates the Hippo pathway by directly binding to SAV1 in renal cell carcinoma.
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DOI:
10.18632/oncotarget.17414
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发表时间:
2017-08-29
期刊:
影响因子:
--
通讯作者:
Xu YF
Xu YF
中科院分区:
其他
文献类型:
--
作者:
Hu G;Dong B;Zhang J;Zhai W;Xie T;Huang B;Huang C;Yao X;Zheng J;Che J;Xu YF

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长链非编码 RNA HOTAIR 促进多种肿瘤的发生和进展。在此,探讨了 HOTAIR 在肾细胞癌 (RCC) 肿瘤发生中的临床意义和作用。结果表明,HOTAIR表达增加预示肾细胞癌术后预后不良。 HOTAIR 在体外和体内促进肾细胞癌细胞增殖和生长。 HOTAIR 和 Salvador 同源物 1 (SAV1) 的表达在临床 RCC 样本中呈负相关。 HOTAIR 通过直接结合 SAV1 蛋白并增强组蛋白 H3K27 甲基化来下调 SAV1。 SAV1 功能丧失激活了 Hippo 通路。 HOTAIR 可能是 RCC 的潜在治疗靶点。
The long noncoding RNA HOTAIR promotes the development and progression of several tumors. Here, the clinical significance and role of HOTAIR in renal cell carcinoma (RCC) tumorigenesis were explored. The results showed that increased expression of HOTAIR predicted a poor prognosis of RCC after surgery. HOTAIR promoted RCC cell proliferation and growth in vitro and in vivo. The expressions of HOTAIR and Salvador homolog 1 (SAV1) were inversely correlated in clinical RCC samples. HOTAIR downregulated SAV1 by directly binding to the SAV1 protein and enhanced histone H3K27 methylation. Loss of function of SAV1 activated the Hippo pathway. HOTAIR could be a potential therapeutic target in RCC.
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