Endothelial cell migration and tip cell formation are critical processes in angiogenesis, the formation of new blood vessels from pre-existing ones. These processes are particularly relevant in the context of cancer, where tumor growth and metastasis often depend on the development of a robust blood supply.
Tumors often secrete pro-angiogenic factors, such as VEGF, to stimulate the formation of new blood vessels. This process allows tumors to obtain the necessary nutrients and oxygen for growth and provides a route for cancer cells to enter the bloodstream and metastasize.
Many tumors overexpress VEGF to stimulate angiogenesis, allowing for increased blood supply to support tumor growth. High levels of VEGF are often associated with poor prognosis in various cancers.
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