Original Article

Does vitamin A supplementation affect GATA3 and IL-4 genes expression in TCD4+ cell culture? A double blind randomized clinical trial on MS patients


Objective: Multiple sclerosis (MS) is an inflammatory central nervous system disease. It has been shown that Th2 cells can induce anti-inflammatory properties that can have a role in treatment of inflammatory disease through overexpression of GATA3 and IL4 genes. The aim of this study was to determine the effect of vitamin A upplementation on GATA3 and IL-4 genes expression in TCD4+ cell culture in MS patients.
Methods: This study was a double-blind placebo-controlled randomized clinical trial of a 6-month duration. Thirty-six MS patients were enrolled and randomly divided into a vitamin A group (n=19, receiving daily 25000IU vitamin A in the form of retinyl palmitate) and a placebo group (n=17). After the intervention the gene expression pattern of Th2-related cytokines was determined by real-time PCR.
Results: There was no significant difference in vitamin A intake, age or BMI of the participants at the baseline. Vitamin A supplementation significantly increased GATA3 and IL-4 gene expression in cell cultures treated with MOG (P<0.001 and P=0.004, respectively) and non-stimulated cells as compared with placebo group (P<0.001 and P=0.001, respectively).
Conclusion: Supplementation with vitamin A can be beneficial in slowing disease progression through overexpression of anti-inflammatory cytokines. It is recommended to investigate RXRs and RARs genes expression and their polymorphisms in future studies

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IssueVol 4, No 1 (Winter 2018) QRcode
SectionOriginal Article(s)
Multiple sclerosis Vitamin A Gene expression GATA3 Interleulin-4

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How to Cite
Zarezadeh M, Abdolahi M, Saboor Yaraghi AA, Bitarafan S, Koohdani F, Harrirchian MH, Sahraian MA, Mohammadzadeh Honarvar N. Does vitamin A supplementation affect GATA3 and IL-4 genes expression in TCD4+ cell culture? A double blind randomized clinical trial on MS patients. J Nutr Sci & Diet. 4(1).