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  • Title: Anticancer activities of an anthocyanin-rich extract from black rice against breast cancer cells in vitro and in vivo.
    Author: Hui C, Bin Y, Xiaoping Y, Long Y, Chunye C, Mantian M, Wenhua L.
    Journal: Nutr Cancer; 2010; 62(8):1128-36. PubMed ID: 21058201.
    Abstract:
    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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