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Combretastatin A4 Phosphate Induces Programmed Cell Death in Vascular Endothelial Cells

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Combretastatin A4 phosphate (CA4P) is currently undergoing clinical trials as a tumor vascular-targeting agent. Here, we defined the antivascular effect and programmed cell death (PCD) induced by CA4P in vascular endothelial cells. CA4P induced time- and dose-dependent antiproliferative activities against human umbilical vein endothelial cells (HUVECs), and caused G2/M arrest accompanied with DNA fragmentation. The in vitro wound assay and tube formation assay indicated that CA4P potently inhibited migration of endothelial cells and tube formation. The apoptosis and autophagy marker microtubule-associated protein light chain 3 (LC3)-II was induced in CA4P-treated HUVECs. The current study demonstrates that CA4P is a promising antivascular agent with potent PCD-inducing activities. CA4P may be useful in the treatment of cancer and hemangioma.

Keywords: Angiogenesis; Apoptosis; Autophagy; Combretastatin A4 phosphate (CA4P); Programmed cell death

Document Type: Research Article


Publication date: July 1, 2011

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  • Formerly: Oncology Research Incorporating Anti-Cancer Drug Design
    Oncology Research Featuring Preclinical and Clincal Cancer Therapeutics publishes research of the highest quality that contributes to an understanding of cancer in areas of molecular biology, cell biology, biochemistry, biophysics, genetics, biology, endocrinology, and immunology, as well as studies on the mechanism of action of carcinogens and therapeutic agents, reports dealing with cancer prevention and epidemiology, and clinical trials delineating effective new therapeutic regimens.

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