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Angiogenesis is a multi-stage process of new vessel development which involves migration, proliferation and differentiation of endothelial cells. Pathological angiogenesis plays a crucial role in the pathomechanism of various ischemic, malignant and inflammatory disorders. Among eye diseases, macular degeneration (AMD) and proliferative diabetic retinopathy are a major public health issue as the most common causes of blindness. Since angiogenesis plays a crucial role in these conditions, there has been an increased interest in evaluating anti-angiogenic agents in their treatment. The polyphenol resveratrol found in the skin of red grapes, red wine, peanuts and other natural sources, controls proliferation of the cells, induces differentiation and induces apoptosis in various malignant cell lines. Modulation of angiogenesis by this compound has been considered as a very exciting topic and subject of further investigations. The aim of our study was in vitro assessment of resveratrol's influence on proliferation, migration and invasion of an immortalized murine endothelial cell line from peripheral lymph node HEC clone a10. Resveratrol was shown to inhibit the proliferation of the endothelial cells in MTT (at 1, 10 and 50 µM) and AlamarBlue (at 50 µM) assays, and at a concentration of 50 µM significantly inhibited migration of endothelial cells. A concentration-dependent decrease in invasion potential of endothelial cells incubated with resveratrol 10 µM and 50 µM was detected. These promising in vitro results might encourage investigators to test efficacy and safety of resveratrol more extensively in the clinical practice, as a natural and safe anti-angiogenic agent.

Experimental immunology Inhibition of proliferation, migration and invasiveness of endothelial murine cells culture induced by resveratrol