科研之友
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摘要
Angiogenesis, the development of new blood vessels from existing vasculature, is essential in physiological processes such as growth and development, wound healing and reproduction. It is also involved in pathological conditions such as tumor growth, metastases, and certain chronic diseases. Angiogenesis is dependent on a delicate equilibrium between endogenous angiogenic and antiangiogenic factors. However, under pathological conditions, this tight regulation becomes lost which can result in the formation of the different diseases, including corneal neovascularization, endometriosis, obesity, atherosclerosis, diabetic retinopathy, psoriasis and cancer. In general, the process of angiogenesis is a multi-factorial and highly structured sequence of cellular events comprising migration, proliferation and differentiation of endothelial cells and finally vascular formation, maturation and remodelling. Due to the critical role of angiogenesis in physiological and pathological conditions, scientists have designed various experimental models to assay angiogenesis in vitro, ex vivo and in vivo. Currently, these experimental models are used by many researchers for several applications such as discovering angiogenic and antiangiogenic agents, and thereby for future therapeutic applications.
- 出版日期2010
