Vitamin D-3 Induced Decrease in IL-17 and Malondialdehyde, and Increase in IL-10 and Total Antioxidant Capacity Levels in Patients with Irritable Bowel Syndrome

Amani, Reza and Abbasnezhad, Amir and Hajiani, Eskandar and Cheraghian, Bahman and Abdoli, Zahra and Choghakhori, Razieh (2018) Vitamin D-3 Induced Decrease in IL-17 and Malondialdehyde, and Increase in IL-10 and Total Antioxidant Capacity Levels in Patients with Irritable Bowel Syndrome. IRANIAN JOURNAL OF IMMUNOLOGY, 15 (3). pp. 186-196.

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Abstract

Background: Given the variations in clinical presentation and physiopathological mechanisms in irritable bowel syndrome (IBS) subtypes, it is an acknowledged fact that the response to treatments can be disparate. Objective: To assess the effect of vitamin D on inflammatory cytokines (IL-17, IL-10, TNF-alpha), and biomarkers of oxidative stress (total antioxidant capacity (TAC), and malondialdehyde (MDA)) among IBS patients. Methods: A double-blind, randomized, placebo-controlled 6-month intervention study was carried out on 90 IBS patients (85 were analyzed), as defined by the Rome III criteria. Study participants were randomly assigned to receive either 50,000 IU vitamin D-3 or a placebo fortnightly. Results: Vitamin D supplementation significantly reduced the IL-17 and MDA serum levels (P<0.05) and observably increased the TAC and IL-10 serum levels (P<0.05), compared with the placebo group. Comparing different bowel habit subtypes, we observed that it was only in diarrhea predominant IBS (IBS-D) that vitamin D supplementation was able to significantly reduce the serum levels of TNF-alpha and IL-17 (P<0.05). However, in all subtypes, IL-10 and TAC increased, while MDA decreased (P<0.05) in vitamin D group, compared to the placebo group. Conclusion: Vitamin D-3 supplementation reduces the serum IL-17 and MDA levels, and augments the serum IL-10 and TAC levels in IBS patients, particularly in IBS-D subtype. Thus, the present study demonstrates the beneficial effects of vitamin D on patients with IBS-D.

Item Type: Article
Subjects: Q Science > QR Microbiology > QR180 Immunology
Divisions: Faculty of Medicine, Health and Life Sciences > School of Medicine
Depositing User: samad darabian
Date Deposited: 20 Jan 2019 07:49
Last Modified: 20 Jan 2019 07:49
URI: http://eprints.lums.ac.ir/id/eprint/1538

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