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 RESEARCH ARTICLE
Year : 2016  |  Volume : 48  |  Issue : 6  |  Page : 637-642

Genistein synergizes centchroman action in human breast cancer cells


1 Division of Biochemistry, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh; Academy of Scientific and Innovative Research (AcSIR), Taramani, Chennai, Tamil Nadu, India
2 Division of Biochemistry, CSIR-Central Drug Research Institute; Centre for Advance Research, King George's Medical University, Lucknow, Uttar Pradesh, India
3 Division of Biochemistry, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, India

Correspondence Address:
Anil K Balapure
Division of Biochemistry, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh; Academy of Scientific and Innovative Research (AcSIR), Taramani, Chennai, Tamil Nadu
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0253-7613.194852

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Objectives: Despite the progress in the diagnosis and treatment of breast cancer, it remains a major health problem in women. Natural flavones along with chemotherapeutic agents enhance therapeutic response and minimize toxicity of chemical agents. Centchroman (CC) colloquially called as ormeloxifene, is a nonsteroidal oral contraceptive categorized as selective estrogen receptor modulator with anti-breast cancer activity. Genistein (GN), an isoflavone found mainly in soy products possesses anti-cancerous potential against a number of cancers including breast. The present study aims at investigating the combination of CC and GN in human breast cancer cell lines (HBCCs). Materials and Methods: Cytotoxic effect of CC and GN separately and in combination were assessed by sulforhodamine B (SRB) assay in MDA MB-231, MDA MB-468, MCF-7, T-47D HBCCs, and nontumorigenic human mammary epithelial cell (HMEC) MCF-10A. The drug interaction was analyzed using CompuSyn software through which combination index and dose reduction index were generated. Results: Combination of CC plus GN exerts significantly higher cytotoxicity compared to each drug per se in HBCCs, whereas HMEC-MCF-10A remains unaffected. Conclusion: On an overall basis, the drugs in combination enhanced cell killing in malignant cells. Therefore, the combination of CC with GN may offer a novel approach for the breast cancer.






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