Journal
NUTRITION AND CANCER-AN INTERNATIONAL JOURNAL
Volume 62, Issue 8, Pages 1128-1136Publisher
ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
DOI: 10.1080/01635581.2010.494821
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Funding
- National Natural Science Foundation of China [30771794]
- Eleventh Five-Year Plan for National Key Technology R D Program [2008BAI58B06]
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Anthocyanins widely present in human diet and have a variety of health effects. This study investigates the anticancer effects of an anthocyanin-rich extract from black rice (AEBR) on breast cancer cells in vitro and in vivo. AEBR reduced the viability of breast cancer cell lines MCF-7 (ER+, HER2/neu-), MDA-MB-231 (ER-, HER2/neu-), and MDA-MB-453 (ER-, HER2/neu+) and induced apoptosis in MDA-MB-453 cells via the intrinsic pathway in vitro by activating caspase cascade, cleaving poly (ADP-ribose) polymerase (PARP), depolarizing mitochondrial membrane potential, and releasing cytochrome C. Oral administration of AEBR (100 mg/kg/day) to BALB/c nude mice bearing MDA-MB-453 cell xenografts significantly suppressed tumor growth and angiogenesis by suppressing the expression of angiogenesis factors MMP-9, MMP-2, and uPA in tumor tissue. Altogether, this study suggests the anticancer effects of AEBR against human breast cancer cells in vitro and in vivo by inducing apoptosis and suppressing angiogenesis.
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