angiostatin

Definition / meaning of angiostatin

Encoded by human PLG Gene (Plasminogen Family) and expressed in the kidney, angiostatin is an angiogenesis inhibitor present in plasma and other extracellular fluids that blocks neovascularization and mediates suppression of metastases. Containing at least three kringles, angiostatin is a 38-kD internal (serine protease) proteolytic fragment of plasminogen.

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Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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