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Biological SciencesGenetic Engineering and Molecular Biology

P202 AS A Potential Therapeutic Gene for Breast Cancer

Authors: Mien-Chie Hung; M D ANDERSON CANCER CENTER HOUSTON TX
Abstract:
The main goal of this proposal is to study the anti-tumor activity of p2O2 and its application in a breast cancer model system. Three specific aims are: 1) To determine the effects of p202 on the sensitivity of breast cancer cells to anticancer agents; 2) To test the anti-tumor activity of p202 in breast cancer cells using preclinical gene therapy strategies in an orthotopic breast cancer animal model; and 3) To evaluate the therapeutic efficacy of p202 gene therapy in combination with other anti-cancer agents in an orthotopic breast cancer animal model. We have developed a p202-based therapeutic agent to study its efficacy in animal models in the first year of grant supported period. Our results have shown that adenovirus-mediated p202 gene transfer and its expression can cause growth-suppression and sensitization to TNF-alpha, taxol, CDDP and gamma-irradiation induced apoptosis of breast cancer cells. In the last year, we have completed CMV-p202-liposome delivery system in vivo via intratumoral and i.v. injection, and immunohistostaining in p202-treated breast cancer cells.

Limitations: APPROVED FOR PUBLIC RELEASE
Description: Annual rept. 1 Apr 2001-31 Mar 2002
Pages: 39
Report Date: APR 2002
Contract Number: DAMD17-00-1-0312
Report Number: A208404
Keywords relating to this report:
*ADENOVIRUSES
*ANGIOGENESIS
*BREAST CANCER
*GENES
CELLS_BIOLOGY_
CHEMOTHERAPEUTIC AGENTS
CLINICAL MEDICINE
GENE THERAPY
GROWTH_PHYSIOLOGY_
INHIBITION
MAMMARY GLANDS
METASTASIS
NEOPLASMS
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