Inhibitory effects of fruit extracts on nitric oxide-induced proliferation in MCF-7 cells

Jayakumar, R. and Kanthimathi, M.S. (2011) Inhibitory effects of fruit extracts on nitric oxide-induced proliferation in MCF-7 cells. Food Chemistry, 126 (3). pp. 956-960. ISSN 0308-8146, DOI https://doi.org/10.1016/j.foodchem.2010.11.093.

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Abstract

Nitric oxide is a free radical involved in the pathogenesis of cancer by increasing tumour vascularization and metastasis. Studies using nitric oxide inhibitors have shown decrease in tumour growth and a role in cancer therapy. To analyse the effect of fruits on nitric oxide, we carried out experiments using a nitric oxide donor on the breast cancer cell line, MCF-7. Proliferating MCF-7 cells were treated with the methanolic extract of the fruits. The inhibitory activity of fruit extracts on cell proliferation was measured using the MTT assay. Chiku and dragon fruit showed high inhibitory activity when compared to the other fruits tested. The total polyphenol and flavonoid content and nitric oxide scavenging activity were found to be high in pomegranate, chiku, litchi, durian, grape and apple. This study shows that phytochemicals present in fruits scavenge nitric oxide and inhibit MCF-7 cell proliferation. © 2010 Elsevier Ltd. All rights reserved.

Item Type: Article
Funders: UNSPECIFIED
Uncontrolled Keywords: Flavonoids; Polyphenols; Scavenging of nitric oxide; Sodium nitroprusside; Breast cancer cells
Subjects: R Medicine
Divisions: Faculty of Medicine
Depositing User: Ms Haslinda Lahuddin
Date Deposited: 11 Jul 2013 04:03
Last Modified: 26 Dec 2014 03:58
URI: http://eprints.um.edu.my/id/eprint/7162

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