期刊
CANCER INVESTIGATION
卷 32, 期 8, 页码 402-408出版社
TAYLOR & FRANCIS INC
DOI: 10.3109/07357907.2014.933234
关键词
Breast cancers; Chemotherapy; Tumor cell biology
类别
资金
- CSIR-UGC, DST
Betulinic acid (BA) has been shown to cause apoptosis in neuroblastoma and melanoma cell lines. We evaluated the cytotoxicity of BA in two breast cancer cell lines MCF-7 and T47D differing in their p53 status. Treatment with BA resulted in a dose dependent inhibition of cell proliferation and induction of apoptosis. This indicates p53-independent apoptotic pathway, because response of both p53 mutant and wild type cell line were found unaffected after treatment with pifithrin-alpha, an inhibitor of p53. Cells were significantly protected when treated by tocopherol suggesting involvement of membrane centered lipid peroxidation-mediated mechanism in BA-induced apoptosis.
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