Functions of the Tumor Suppressors p53 and Rb in Actin Cytoskeleton Remodeling.

Functions of the Tumor Suppressors p53 and Rb in Actin Cytoskeleton Remodeling.
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DOI:
10.1155/2016/9231057
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发表时间:
2016
影响因子:
--
通讯作者:
Kawauchi K
Kawauchi K
中科院分区:
生物学3区
文献类型:
--
作者:
Ebata T;Hirata H;Kawauchi K

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机械微环境,如细胞外基质硬度和应变,在癌症进展中起着至关重要的作用。细胞用机械感应生物分子感知其微环境,这伴随着肌动蛋白细胞骨架结构的调节,并且信号随后作为生化信号被下游转导。已知肿瘤抑制因子p53和视网膜母细胞瘤蛋白(Rb)可预防癌症进展。p53和Rb信号通路在许多类型的癌症中被破坏。在这里,我们回顾了最近的研究结果,这些肿瘤抑制剂的机械感应生物分子和肌动蛋白细胞骨架的调节作用。我们进一步讨论了p53和/或Rb介导的机械信号通路的功能障碍如何可能参与癌症进展。这些通路可能为开发抗癌疗法提供良好的靶点。
Mechanical microenvironments, such as extracellular matrix stiffness and strain, have crucial roles in cancer progression. Cells sense their microenvironments with mechanosensing biomolecules, which is accompanied by the modulation of actin cytoskeleton structures, and the signals are subsequently transduced downstream as biochemical signals. The tumor suppressors p53 and retinoblastoma protein (Rb) are known to prevent cancer progression. The p53 and Rb signaling pathways are disrupted in many types of cancers. Here, we review recent findings about the roles of these tumor suppressors in the regulation of mechanosensing biomolecules and the actin cytoskeleton. We further discuss how dysfunction in the p53- and/or Rb-mediated mechanosignaling pathways is potentially involved in cancer progression. These pathways might provide good targets for developing anticancer therapies.
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