Integrin alpha v beta 3 antagonists promote tumor regression by inducing apoptosis of angiogenic blood vessels.

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305

摘要:

A single intravascular injection of a cyclic peptide or monoclonal antibody antagonist of integrin α v β 3 disrupts ongoing angiogenesis on the chick chorioallantoic membrane (CAM). This leads to the rapid regression of histologically distinct human tumors transplanted onto the CAM. Induction of angiogenesis by a tumor or cytokine promotes vascular cell entry into the cell cycle and expression of integrin α v β 3 . After angiogenesis is initiated, antagonists of this integrin induce apoptosis of the proliferative angiogenic vascular cells, eaving preexisting quiescent blood vessels unaffected. We demonstrate therefore that ligation of integrin α v β 3 is required for the survival and maturation of newly forming blood vessels, an event essential for the proliferation of tumors.

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DOI:

10.1016/0092-8674(94)90007-8

被引量:

4651

年份:

1994

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来源期刊

Cell
1994-12-29

引用走势

1999
被引量:313

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