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Anti-hyperplasia effects of Rosa rugosa polyphenols in rats with hyperplasia of mammary gland



Anti-hyperplasia effects of Rosa rugosa polyphenols in rats with hyperplasia of mammary gland



Environmental Toxicology and Pharmacology 39(2): 990-996



Rosa rugosa (Thunb.) is used in Chinese traditional medicine with the functions of promoting blood circulation, relieving the depressed liver and attenuating breast disorders. This study was to investigate the anti-hyperplasia effects of the polyphenols-rich fraction from R. rugosa (FRR) in rat. Rat model of hyperplasia of mammary gland (HMG) was induced by intramuscularly injected with estrogen (0.5mg/kg/d) for 25 days, and followed with progestogen (5mg/kg/d) for another 5 days. Meanwhile, FRR was orally given for 30 days. Then, the levels of estradiol and oxidative stress were assessed. The mammary expressions of AKT and JNK were evaluated by Western blot analysis. The expressions of NFκB-p65, COX-2 and VEGF were measured by immunohistochemical analysis. The whole results indicated that FRR could exert anti-hyperplasia effects in rat via modulating the mammary expression of JNK and AKT, as well as alleviating the NFκB related oxidative stress and inflammatory responses.

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Accession: 057207205

Download citation: RISBibTeXText

PMID: 25828785

DOI: 10.1016/j.etap.2015.02.014


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