AngiomiRs--key regulators of angiogenesis.

AngiomiRs--key regulators of angiogenesis.
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DOI:
10.1016/j.gde.2009.04.002
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发表时间:
2009-06
影响因子:
4
通讯作者:
Olson, Eric N.
Olson, Eric N.
中科院分区:
生物学2区
文献类型:
--
作者:
Wang, Shusheng;Olson, Eric N.

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通过血管生成过程形成新血管在血管发育和体内平衡中至关重要。异常的血管生成导致多种疾病,如缺血和癌症。最近的研究揭示了miRNA在调节内皮细胞(EC)功能,尤其是血管生成方面的重要作用。EC特异性缺失Dicer(一种产生miRNA的关键酶)的小鼠显示出出生后血管生成缺陷。特异性miRNA(angiomiRs)最近已显示在体内调节血管生成。miRNA-126是一种EC限制性miRNA,调节血管完整性和发育性血管生成。miR-378、miR-296和miR-17~92簇参与肿瘤血管生成。在病理性血管化的情况下操纵angiomiR代表了一种新的治疗方法。
The formation of new blood vessels through the process of angiogenesis is critical in vascular development and homeostasis. Aberrant angiogenesis leads to a variety of diseases, such as ischemia and cancer. Recent studies have revealed important roles for miRNAs in regulating endothelial cell (EC) function, especially angiogenesis. Mice with EC-specific deletion of Dicer, a key enzyme for generating miRNAs, display defective postnatal angiogenesis. Specific miRNAs (angiomiRs) have recently been shown to regulate angiogenesis in vivo. miRNA-126, an EC-restricted miRNA, regulates vascular integrity and developmental angiogenesis. miR-378, miR-296, and the miR-17~92 cluster, contribute to tumor angiogenesis. Manipulating angiomiRs in the settings of pathological vascularization represents a new therapeutic approach.
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