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Suppression of Prometastatic Phenotype of Highly Metastatic Androgen-Independent Rat Prostate Cancer MLL Cell Line by PI3K Inhibitor LY294002

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Upregulation of the PI3K pathway has often been reported in androgen-independent prostate cancer and is implicated in cancer cell survival and proliferation in the absence of androgen. Inhibition of PI3K by LY294002 suppressed cell invasion and motility of the highly metastatic androgen-independent Dunning rat prostate cancer MLL cell line with similar IC50 values and inhibition profile. Moreover, LY294002 attenuated expression of urokinase plasminogen activator (uPA) without any significant effect on that of matrix metalloproteinase 2. These results indicated that the role of PI3K in MLL cell invasion is by regulating cell motility and uPA expression.

Keywords: Androgen independent; Invasion; Metastasis; PI3K; Prostate cancer

Document Type: Research Article

DOI: http://dx.doi.org/10.3727/096504009787721195

Publication date: January 1, 2009

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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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