Cadherin Expression and EMT: A Focus on Gliomas.

Cadherin Expression and EMT: A Focus on Gliomas.
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钙粘蛋白表达和EMT:胶质瘤的焦点。

DOI:
10.3390/biomedicines9101328
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发表时间:
2021-09-26
期刊:
影响因子:
4.7
通讯作者:
Paredes J
Paredes J
中科院分区:
工程技术3区
文献类型:
--
作者:
Noronha C;Ribeiro AS;Taipa R;Castro DS;Reis J;Faria C;Paredes J

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钙粘蛋白是钙结合蛋白,在细胞粘附和组织稳态中具有关键作用。细胞粘附和迁移的钙粘蛋白依赖性机制被癌细胞利用,有助于肿瘤侵袭和扩散。特别是,钙粘蛋白转换是上皮细胞向间充质细胞转化的标志,这是一个复杂的发展过程,在大多数上皮癌的进展中有广泛的描述。其特征在于细胞极性、粘附性和运动性的急剧变化,其导致从E-钙粘蛋白阳性分化的上皮状态到去分化的间充质样状态,易于转移并由N-钙粘蛋白表达定义。虽然在上皮癌中进行了大量探索,但这些机制如何有助于其他非上皮肿瘤类型的发病机制尚不清楚。在此,目前的知识钙粘蛋白表达在正常发展中的平行肿瘤发病机制进行审查,重点是上皮间质转化。重点是采取在未确定的钙粘蛋白在中枢神经系统肿瘤,特别是在神经胶质瘤,在神经胶质瘤发生的上皮间充质样过程的潜在贡献,以及如何这可能与钙粘蛋白表达的变化进行了讨论。
Cadherins are calcium-binding proteins with a pivotal role in cell adhesion and tissue homeostasis. The cadherin-dependent mechanisms of cell adhesion and migration are exploited by cancer cells, contributing to tumor invasiveness and dissemination. In particular, cadherin switch is a hallmark of epithelial to mesenchymal transition, a complex development process vastly described in the progression of most epithelial cancers. This is characterized by drastic changes in cell polarity, adhesion, and motility, which lead from an E-cadherin positive differentiated epithelial state into a dedifferentiated mesenchymal-like state, prone to metastization and defined by N-cadherin expression. Although vastly explored in epithelial cancers, how these mechanisms contribute to the pathogenesis of other non-epithelial tumor types is poorly understood. Herein, the current knowledge on cadherin expression in normal development in parallel to tumor pathogenesis is reviewed, focusing on epithelial to mesenchymal transition. Emphasis is taken in the unascertained cadherin expression in CNS tumors, particularly in gliomas, where the potential contribution of an epithelial-to-mesenchymal-like process to glioma genesis and how this may be associated with changes in cadherin expression is discussed.
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