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Int. J. Mol. Sci. 2017, 18(7), 1352; doi:10.3390/ijms18071352

Hypotheses on the Potential of Rice Bran Intake to Prevent Gastrointestinal Cancer through the Modulation of Oxidative Stress

The Nethersole School of Nursing, The Chinese University of Hong Kong, Shatin, The New Territories, Hong Kong
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Received: 23 May 2017 / Revised: 14 June 2017 / Accepted: 20 June 2017 / Published: 24 June 2017
(This article belongs to the Special Issue Correlation between Nutrition, Oxidative Stress and Disease)
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Abstract

Previous studies have suggested the potential involvement of oxidative stress in gastrointestinal cancers. In light of this, research efforts have been focused on the potential of dietary antioxidant intake to prevent gastrointestinal cancer through the modulation of oxidative stress. Rice bran, a by-product of rice milling, has been shown to contain an abundance of phytochemicals, which are dietary antioxidants. To date, a number of studies have shown the antioxidative effect of rice bran intake, and some demonstrated that such an effect may contribute to gastrointestinal cancer prevention, largely through the antioxidative properties of rice bran phytochemicals. In addition, these phytochemicals were shown to provide protection against cancer through mechanisms linked to oxidative stress, including β-catenin-mediated cell proliferation and inflammation. The present article provides an overview of current evidence for the antioxidative properties of rice bran and its phytochemicals, and for the potential of such properties in cancer prevention through the oxidative-stress-linked mechanisms mentioned above. The article also highlights the need for an evaluation of the effectiveness of rice bran dietary interventions among cancer survivors in ameliorating oxidative stress and reducing the level of gastrointestinal cancer biomarkers, thereby establishing the potential of such interventions among these individuals in the prevention of cancer recurrence. View Full-Text
Keywords: rice bran; oxidative stress; gastrointestinal cancer; cancer prevention; antioxidants rice bran; oxidative stress; gastrointestinal cancer; cancer prevention; antioxidants
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Law, B.M.H.; Waye, M.M.Y.; So, W.K.W.; Chair, S.Y. Hypotheses on the Potential of Rice Bran Intake to Prevent Gastrointestinal Cancer through the Modulation of Oxidative Stress. Int. J. Mol. Sci. 2017, 18, 1352.

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