Prohibitin, relocated to the front ends, can control the migration directionality of colorectal cancer cells.

Prohibitin, relocated to the front ends, can control the migration directionality of colorectal cancer cells.
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重新定位到前端的抑制素可以控制结直肠癌细胞的迁移方向。

DOI:
10.18632/oncotarget.19394
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发表时间:
2017-09-29
期刊:
影响因子:
--
通讯作者:
Ding YQ
Ding YQ
中科院分区:
其他
文献类型:
--
作者:
Ma LL;Shen L;Tong GH;Tang N;Luo Y;Guo LL;Hu CT;Huang YX;Huang G;Jing FY;Liu C;Li ZY;Zhou N;Yan QW;Lei Y;Zhu SJ;Cheng ZQ;Cao GW;Deng YJ;Ding YQ

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定向迁移是一种具有成本效益的运动,允许癌细胞的侵袭和转移扩散。虽然已经阐明了与细胞骨架组装和微环境趋化性相关的迁移,但对胞外分子和胞内分子之间控制迁移方向性的相互作用知之甚少。在545例结直肠癌患者中,禁止蛋白(PHB)在结直肠癌细胞前端的极化表达有利于转移,并与预后不良相关。结直肠癌患者间质组织中高水平的血管内皮生长因子(VEGF)与转移有关。VEGF与其受体neuropilin-1结合,可以刺激细胞分裂周期42的激活,从而将线粒体内的PHB招募到CRC细胞的前端。PHB在细胞内的重新定位导致延伸到细胞前端的丝肌动蛋白的聚合和重组。因此,CRC细胞的迁移方向以VEGF为目标。总之,这些发现确定了PHB是CRC细胞定向迁移的关键调节剂和转移的靶点。
Directional migration is a cost-effective movement allowing invasion and metastatic spread of cancer cells. Although migration related to cytoskeletal assembly and microenvironmental chemotaxis has been elucidated, little is known about interaction between extracellular and intracellular molecules for controlling the migrational directionality. A polarized expression of prohibitin (PHB) in the front ends of CRC cells favors metastasis and is correlated with poor prognosis for 545 CRC patients. A high level of vascular endothelial growth factor (VEGF) in the interstitial tissue of CRC patients is associated with metastasis. VEGF bound to its receptor, neuropilin-1, can stimulate the activation of cell division cycle 42, which recruits intra-mitochondrial PHB to the front end of a CRC cell. This intracellular relocation of PHB results in the polymerization and reorganization of filament actin extending to the front end of the cell. As a result, the migration directionality of CRC cells is targeted towards VEGF. Together, these findings identify PHB as a key modulator of directional migration of CRC cells and a target for metastasis.
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