The Role of Vitamin D in Inflammatory Bowel Disease: Mechanism to Management.

Fletcher, Jane and Cooper, Sheldon C and Ghosh, Subrata and Hewison, Martin (2019) The Role of Vitamin D in Inflammatory Bowel Disease: Mechanism to Management. Nutrients, 11 (5). ISSN 2072-6643.

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Official URL: https://www.mdpi.com/2072-6643/11/5/1019

Abstract

Vitamin D has been linked to human health benefits that extend far beyond its established actions on calcium homeostasis and bone metabolism. One of the most well studied facets of extra-skeletal vitamin D is its activity as an immuno-modulator, in particular its potent anti-inflammatory effects. As a consequence, vitamin D deficiency has been associated with inflammatory diseases including inflammatory bowel disease (IBD). Low serum levels of the major circulating form of vitamin D, 25-hydroxyvitamin D (25-OH-D) are significantly more prevalent in patients with IBD, particularly in the winter and spring months when UV-induced synthesis of vitamin D is lower. Dietary malabsorption of vitamin D may also contribute to low serum 25(OH)D in IBD. The benefits of supplementation with vitamin D for IBD patients are still unclear, and improved vitamin D status may help to prevent the onset of IBD as well as ameliorating disease severity. Beneficial effects of vitamin D in IBD are supported by pre-clinical studies, notably with mouse models, where the active form of vitamin D, 1,25-dihydroxyvitamin D (1,25-(OH)2D) has been shown to regulate gastrointestinal microbiota function, and promote anti-inflammatory, tolerogenic immune responses. The current narrative review aims to summarise the different strands of data linking vitamin D and IBD, whilst also outlining the possible beneficial effects of vitamin D supplementation in managing IBD in humans.

Item Type: Article
Subjects: WI Digestive system. Gastroenterology
Divisions: Planned IP Care > Gastroentrology
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Depositing User: Mrs Yolande Brookes
Date Deposited: 10 May 2019 13:57
Last Modified: 10 May 2019 13:57
URI: http://www.repository.heartofengland.nhs.uk/id/eprint/2085

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