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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Angiogenesis promoted by vascular endothelial growth factor: Regulation through α_1β_1 and α_2β_1 integrins
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Angiogenesis promoted by vascular endothelial growth factor: Regulation through α_1β_1 and α_2β_1 integrins

机译:血管内皮生长因子促进血管生成:通过α_1β_1和α_2β_1整合素的调控

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摘要

Vascular endothelial growth factor (VEGF), also known as vascular permeability factor, is a cytokine of central importance for the angiogenesis associated with can- cers and other pathologies. Because angiogenesis often in- volves endothelial cell (EC) migration and proliferation within a collagen-rich extracellular matrix, we investigated the possibility that VEGF promotes neovascularization through regulation of collagen receptor expression. VEGF induced a 5- to 7-fold increase in dermal microvascular EC surface protein expression of two collagen receptors -- the α_1β_1 and α_2β_1 integrins--through induction of mRNAs en- coding the α_1 and α_2 subunits.
机译:血管内皮生长因子(VEGF),也称为血管通透性因子,是在与癌症和其他病理相关的血管生成中至关重要的细胞因子。由于血管生成通常参与富含胶原蛋白的细胞外基质内的内皮细胞(EC)迁移和增殖,因此我们研究了VEGF通过调节胶原蛋白受体表达促进新生血管形成的可能性。 VEGF通过诱导编码α_1和α_2亚基的mRNA诱导两种胶原受体-α_1β_1和α_2β_1整合素的真皮微血管EC表面蛋白表达增加5至7倍。

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