Transcription factors OVOL1 and OVOL2 induce the mesenchymal to epithelial transition in human cancer.

Transcription factors OVOL1 and OVOL2 induce the mesenchymal to epithelial transition in human cancer.
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DOI:
10.1371/journal.pone.0076773
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发表时间:
2013
期刊:
影响因子:
3.7
通讯作者:
Pienta KJ
Pienta KJ
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Roca H;Hernandez J;Weidner S;McEachin RC;Fuller D;Sud S;Schumann T;Wilkinson JE;Zaslavsky A;Li H;Maher CA;Daignault-Newton S;Healy PN;Pienta KJ

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细胞可塑性由间充质到上皮转化 (MET) 和相反程序 EMT 之间的平衡调节,在转移级联中至关重要。已知有几种转录因子 (TF) 可以调节 EMT,但 MET 的机制仍不清楚。我们展示了两种 TF OVOL1 和 OVOL2 的新功能,作为人类癌症中 MET 的关键诱导剂。我们的研究结果表明,OVOL-TF 通过与 EMT 诱导 TF ZEB1 的调节反馈环路控制 MET,并通过诱导上皮剪接调节蛋白 1 (ESRP1) 来调节 mRNA 剪接。使用小鼠前列腺肿瘤模型,我们发现间充质前列腺癌细胞中 OVOL-TF 的表达减弱了它们的转移潜力。 917 个癌细胞系的表达分析进一步支持了 OVOL-TF 作为 MET 诱导剂的作用,表明它们在癌症中作为上皮间质细胞可塑性的关键调节因子。
Cell plasticity regulated by the balance between the mesenchymal to epithelial transition (MET) and the opposite program, EMT, is critical in the metastatic cascade. Several transcription factors (TFs) are known to regulate EMT, though the mechanisms of MET remain unclear. We demonstrate a novel function of two TFs, OVOL1 and OVOL2, as critical inducers of MET in human cancers. Our findings indicate that the OVOL-TFs control MET through a regulatory feedback loop with EMT-inducing TF ZEB1, and the regulation of mRNA splicing by inducing Epithelial Splicing Regulatory Protein 1 (ESRP1). Using mouse prostate tumor models we show that expression of OVOL-TFs in mesenchymal prostate cancer cells attenuates their metastatic potential. The role of OVOL-TFs as inducers of MET is further supported by expression analyses in 917 cancer cell lines, suggesting their role as crucial regulators of epithelial-mesenchymal cell plasticity in cancer.
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