Sox4, EMT programs, and the metastatic progression of breast cancers: mastering the masters of EMT.

Sox4, EMT programs, and the metastatic progression of breast cancers: mastering the masters of EMT.
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DOI:
10.1186/bcr3466
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发表时间:
2013
期刊:
Breast cancer research : BCR
影响因子:
--
通讯作者:
Schiemann WP
Schiemann WP
中科院分区:
其他
文献类型:
--
作者:
Parvani JG;Schiemann WP

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上皮-间质转化(EMT)程序需要多种所谓的EMT主调控因子的表达,包括Snail, Zeb和Twist转录因子家族的成员。从目的论上讲,对这样一组不同的“主调节器”的要求在进化上似乎很麻烦,而且新出现的证据表明,这些转录因子实际上确实介导了独特和专门的功能,这表明存在真正指导和协调EMT计划的高阶“主”。因此,Tiwari及其同事最近描绘了一个优雅的途径,其中转化生长因子- β刺激Sox4的表达,从而诱导组蛋白甲基转移酶Ezh2的表达,从而重新编程表观基因组,引发EMT程序和乳腺癌转移。这一观点强调了Sox4作为EMT项目和转移性乳腺癌的“新”硕士。
Epithelial-mesenchymal transition (EMT) programs require the expression of a variety of so-called master regulators of EMT, including members of the Snail, Zeb, and Twist transcription factor families. Teleologically, the requirement for such a diverse group of ‘master regulators’ seems evolutionarily cumbersome, and emerging evidence indicates that these transcription factors do in fact mediate unique and specialized functions, suggesting the existence of higher-order ‘masters’ that truly direct and coordinate EMT programs. Accordingly, Tiwari and colleagues recently delineated an elegant pathway wherein transforming growth factor-beta stimulates Sox4 expression, which induces that of the histone methyltransferase, Ezh2, thereby reprogramming the epigenome to elicit EMT programs and metastasis of breast cancers. This viewpoint highlights Sox4 as a ‘new’ master of EMT programs and metastatic breast cancer.
悬浮在胶原蛋白凝胶中的上皮可以失去极性,并表达迁移间充质细胞的特征。
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