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International Journal of Medicinal Mushrooms
IF: 1.211 5-Year IF: 1.394 SJR: 0.433 SNIP: 0.661 CiteScore™: 1.38

ISSN Print: 1521-9437
ISSN Online: 1940-4344

International Journal of Medicinal Mushrooms

DOI: 10.1615/IntJMedMushrooms.v19.i3.50
pages 233-242

Effect of Hispolon from Phellinus lonicerinus (Agaricomycetes) on Estrogen Receptors, Aromatase, and Cyclooxygenase II in MCF-7 Breast Cancer Cells

Junzhi Wang
Hubei Key Laboratory of Natural Products Research and Development, College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang, Hubei, China; Hubei Engineering Research Center of Biological Ferment, Yichang, Hubei, China
Beiyan Chen
Hubei Key Laboratory of Natural Products Research and Development, College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang, China
Fang Hu
Hubei Key Laboratory of Natural Products Research and Development, College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang, China
Xueling Zou
Hubei Key Laboratory of Natural Products Research and Development, Medical College, China Three Gorges University, Yichang, China
Haili Yu
Hubei Key Laboratory of Natural Products Research and Development, College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang, China
Jinyu Wang
Hubei Key Laboratory of Natural Products Research and Development, College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang, China
Haibo He
Hubei Key Laboratory of Natural Products Research and Development, College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang, Hubei, China; Hubei Engineering Research Center of Biological Ferment, Yichang, Hubei, China
Hongqi Zhang
Hubei Key Laboratory of Natural Products Research and Development, Medical College, China Three Gorges University, Yichang, China
Wenfeng Huang
Hubei Key Laboratory of Natural Products Research and Development, Medical College, China Three Gorges University, Yichang, China

ABSTRACT

Phytoestrogen has previously been proposed as an alternative to hormone replacement therapy. Hispolon has been found to have phytoestrogenic properties. However, the possible effects of hispolon on estrogen receptors and other related molecules remain to be determined. This study was performed mainly to confirm the estrogenic function of hispolon as it relates to estrogen receptors, aromatase, and cyclooxygenase 2 (COX-2). Hispolon was shown to increase the serum 17β-estradiol in vivo. Immunohistochemical staining methods showed that hispolon exhibited a biphasic effect on ERα/β and aromatase expression in MCF-7 cells. Hispolon could also significantly inhibit aromatase activity, assessed using the enzyme-linked immunosorbent assay. Western blotting showed that COX-2 and aromatase could be inhibited by hispolon. These results further prove the phytoestrogenic features of hispolon and explore some pharmacological mechanisms that suggest that hispolon could be useful in the treatment of breast cancers or other gynecologic diseases.


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