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lüll AngiomiRs--key regulators of angiogenesis Wang S; Olson ENCurr Opin Genet Dev 2009[Jun]; 19 (3): 205-11The 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.|Animals[MESH]|Blood Vessels/physiology[MESH]|Endothelial Cells/*physiology[MESH]|Humans[MESH]|MicroRNAs/genetics/*metabolism[MESH]|Models, Biological[MESH]|Mutation[MESH]|Neovascularization, Physiologic/genetics/*physiology[MESH]|Ribonuclease III/genetics/metabolism[MESH]|Vascular Endothelial Growth Factor A/genetics/metabolism[MESH] |