Angiogenesis and G-protein-coupled receptors: signals that bridge the gap

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Abstract
Angiogenesis is a mechanism that has repercussions in a number of physiological and pathological situations. Vascular endothelial growth factor and basic fibroblast growth factor have understandably received enormous research coverage for being the major mediators of new blood vessel growth, often overshadowing other agonist that also have strong angiogenic potential. We wish to put the spotlight on GPCR agonists that undoubtedly have their word to say on the subject of angiogenesis. In this short review, we will discuss our findings along with the work from other groups on the mechanisms by which GPCR agonists, like thrombin and angiotensin II, control a number of angiogenic signals. A complete understanding of these mechanisms could, by the design of new therapeutic strategies, have a strong impact in clinical oncology.