The Role of SDF-1/CXCR4/CXCR7 in Neuronal Regeneration after Cerebral Ischemia.

The Role of SDF-1/CXCR4/CXCR7 in Neuronal Regeneration after Cerebral Ischemia.
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SDF-1/CXCR4/CXCR7在脑缺血后神经元再生中的作用

DOI:
10.3389/fnins.2017.00590
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发表时间:
2017
影响因子:
4.3
通讯作者:
Teng W
Teng W
中科院分区:
医学2区
文献类型:
--
作者:
Cheng X;Wang H;Zhang X;Zhao S;Zhou Z;Mu X;Zhao C;Teng W

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基质细胞衍生因子-1是由骨髓基质细胞系产生的化学引诱物。它被认为是免疫和中枢神经系统(CNS)的关键因素,并在癌症中发挥作用。SDF-1激活两种G蛋白偶联受体CXCR 4和CXCR 7;这些受体在发育和成熟的CNS中表达,并参与多种生理和病理事件,例如,炎症反应、神经发生、血管生成、造血、癌症转移和HIV感染。缺血性卒中后,SDF-1水平在半影区显著增加,并参与成人神经功能修复。本文将综述近年来有关SDF-1及其受体的研究进展,分析其在脑缺血损伤后神经再生中的作用,该系统如何促进神经前体细胞的增殖、分化和迁移以及介导轴突伸长和分支。
Stromal cell-derived factor-1 is a chemoattractant produced by bone marrow stromal cell lines. It is recognized as a critical factor in the immune and central nervous systems (CNSs) as well as exerting a role in cancer. SDF-1 activates two G protein-coupled receptors, CXCR4 and CXCR7; these are expressed in both developing and mature CNSs and participate in multiple physiological and pathological events, e.g., inflammatory response, neurogenesis, angiogenesis, hematopoiesis, cancer metastasis, and HIV infection. After an ischemic stroke, SDF-1 levels robustly increase in the penumbra regions and participate in adult neural functional repair. Here we will review recent findings about SDF-1 and its receptor, analyse their functions in neurogeneration after brain ischemic injury: i.e., how the system promotes the proliferation, differentiation and migration of neural precursor cells and mediates axonal elongation and branching.
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