Angiogenesis
List of headings :
Inhibitors
An angiogenesis inhibitor is a substance that inhibits growth of new blood vessels. It can be endogenous or come from outside as drug or a dietary component. Every solid tumor (in contrast to liquid tumors like leukemia) needs to generate blood vessels to keep it alive once it reaches a certain size. Usually, blood vessels are not built elsewhere in an adult body unless tissue repair is actively in process. The angiostatic agent endostatin and related chemicals can suppress the building of blood vessels, preventing the cancer from growing indefinitely. In tests with patients, the tumor became inactive and stayed that way even after the endostatin treatment was finished. The treatment has very few side effects but appears to have very limited selectivity.
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Angiogenic Factors
Angiogenesis is a cellular process induces the formation of blood vessels in a tumor. It promotes the development of metastases. Some factors that induce development of new blood vessels such as VEGF (Vascular Endothelial Growth Factor). In solid tumors, blood vessels may be composed of epithelial cells and tumor cells.
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