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    Modulatory effect of Ganoderma lucidum on expression of xenobiotic enzymes, oxidant-antioxidant and hormonal status in 7,12-dimethylbenz(a)anthraceneinduced mammary carcinoma in rats

    Krishnamoorthy Deepalakshmi1, Sankaran Mirunalini1★★ Corresponding author

    1. 1Department of Biochemistry and Biotechnology, Annamalai University, Tamil Nadu, India.

    CORRESPONDENCE

    Sankaran Mirunalini

    Department of Biochemistry and Biotechnology, Annamalai University, Tamil Nadu, India.

    mirunasankar@gmail.com

    Received: 02-04-2012; Revised: 26-05-2012.

    Volume 9, Issue 34 · pp. 167–175 · PUBLISHED 30 April 2013 · DOI: 10.4103/0973-1296.111286

    View on Pharmacogn. Mag. original site ↗

    ABSTRACT

    Background: Mushrooms are an important natural source represents a major and untapped potent pharmaceutical product. Ganoderma lucidum (G. lucidum) an important medicinal mushroom has been shown to contain high amount of antioxidant. However, in vivo studies on G. lucidum fruiting bodies are lacking. Objectives: To determine the effects of G. lucidum fruiting bodies ethanolic extract (GLEet) on expression of xenobiotic enzymes, oxidant-antioxidant and hormonal status on 7,12-dimethyl benz[a]antheracene (DMBA) induced experimental breast cancer was investigated in female Sprague dawley rats. Materials and Methods: Cancer bearing female Sprague dawley rats was orally treated with GLEet (500mg/kg body weight) for 16 weeks. Incidence and tumor volume in each groups, and biochemical parameters were carried out in plasma, liver, and mammary tissues of animals. Histopathological and immunohistochemical analysis were also determined. Result: Oral administration of GLEet on tumor bearing animals significantly diminished the levels of lipid peroxidation thereby enhancing the nonenzymatic antioxidants and also positively regulated the estrogen receptor hormones level to near normal when compared with DMBA treated rats. Moreover, it also positively modulates the xenobiotic metabolizing enzymes. Therefore, the dietary administration of G. lucidum may be efficiently used as a chemopreventive agent against mammary carcinogenesis. Conclusion: We concluded that G. lucidum is a potent chemopreventive agent, thereby it offers maximum protection against DMBA-induced mammary carcinogenesis.

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      Deepalakshmi, K., & Mirunalini, S. (2013). Modulatory effect of Ganoderma lucidum on expression of xenobiotic enzymes, oxidant-antioxidant and hormonal status in 7,12-dimethylbenz(a)anthraceneinduced mammary carcinoma in rats. Pharmacognosy Magazine, 9(34), 167–175. https://doi.org/10.4103/0973-1296.111286