VEGF is a chemoattractant for FGF-2-stimulated neural progenitors.

VEGF is a chemoattractant for FGF-2-stimulated neural progenitors.
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DOI:
10.1083/jcb.200308040
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发表时间:
2003-12-22
期刊:
The Journal of cell biology
影响因子:
--
通讯作者:
Kiss JZ
Kiss JZ
中科院分区:
其他
文献类型:
--
作者:
Zhang H;Vutskits L;Pepper MS;Kiss JZ

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未分化神经祖细胞的迁移对于神经系统的发育和修复至关重要。然而,人们对移徙的调控机制和因素并不十分了解。在这里,我们表明,血管内皮生长因子(VEGF)-A,一个主要的血管生成因子,指导定向迁移的神经祖细胞,不显示抗原标记的神经元或胶质限制性前体细胞。我们证明,祖细胞表达VEGF受体(VEGFR)1和VEGFR 2,但通过VEGFR 2的信号转导特异性介导VEGF的趋化作用。VEGF受体的表达和祖细胞对VEGF的趋化反应需要成纤维细胞生长因子2的存在。这些结果表明,VEGF是一个有吸引力的未分化的神经祖细胞的迁移的指导线索,并提供了神经系统中的神经发生和血管生成之间的机制联系。
Mmigration of undifferentiated neural progenitors is critical for the development and repair of the nervous system. However, the mechanisms and factors that regulate migration are not well understood. Here, we show that vascular endothelial growth factor (VEGF)-A, a major angiogenic factor, guides the directed migration of neural progenitors that do not display antigenic markers for neuron- or glia-restricted precursor cells. We demonstrate that progenitor cells express both VEGF receptor (VEGFR) 1 and VEGFR2, but signaling through VEGFR2 specifically mediates the chemotactic effect of VEGF. The expression of VEGFRs and the chemotaxis of progenitors in response to VEGF require the presence of fibroblast growth factor 2. These results demonstrate that VEGF is an attractive guidance cue for the migration of undifferentiated neural progenitors and offer a mechanistic link between neurogenesis and angiogenesis in the nervous system.
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发表时间: 1995-11-01
影响因子: 2.5
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