Association between Sun Exposure, Vitamin D Intake, Serum Vitamin D Level, and Immunoglobulin G Level in Patients with Neuromyelitis Optica Spectrum Disorder

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SHAYGANNEJAD VAHID; Maljaei Mohammad Bagher; SARAF BANK SAHAR; Mirmosayyeb Omid; MARACY MOHAMMAD REZA; ASKARI GHOLAMREZA

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Journal: International Journal of Preventive Medicine Year:2018 | Volume:9 | Issue:- Page(s): 0-0

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Title

Association between Sun Exposure, Vitamin D Intake, Serum Vitamin D Level, and Immunoglobulin G Level in Patients with Neuromyelitis Optica Spectrum Disorder

Author(s)

Keywords

Immunoglobulin G

neuromyelitis optica spectrum disorder

Vitamin D

Abstract

Background: neuromyelitis optica spectrum disorder (NMOSD) is a central nervous system inflammatory disorder in which Immunoglobulin G (IgG) autoantibodies possibly play a pathogenic role against the aquaporin‑ 4 water channel protein. Vitamin D may modulate B‑ cell function and decrease the IgG synthesis and may play a role in NMOSD as a crucial factor. The aim of this study was to investigate the relation between Vitamin D intakes from food, Vitamin D intake from sunlight exposure, blood Vitamin D levels, and IgG‑ neuromyelitis optica (NMO) level in serum of patients with NMOSD and NMO. Method: In this cross-sectional study, food Frequency Questionnaires (FFQ) and Sun Exposure Questionnaire (SEQ) were completed to evaluate of Vitamin D intakes from food and sun light exposure. Moreover, serum levels of 25(OH) Vitamin D3 and IgG-NMO were assessed in patients with NMOSD and NMO. Results: We assessed IgG‑ NMO levels in 29 patients with NMOSD that nine patients (n = 31%) were positive and for the rest it was negative. Sunlight exposure scale (P = 0. 01) and 25(OH) D3 (P = 0. 04) in IgG‑ NMO‑ negative patients were significantly more than patients with positive IgG‑ NMO. Age, gender, and latitude were not confounder variables. A positive significant correlation was observed between the sun exposure scale and serum levels of 25(OH) D3 in all participants (r = 0. 747, P ≤ 0. 001). Conclusions: Physiological variation in Vitamin D may apply a significant effect on IgG‑ NMO synthesis in patients with NMO. Vitamin D may have significant role in pathogenesis of NMOSD and NMO.

Cites

The Role of Vitamin D Supplementation in the Treatment of Primary Hypertension: A Double-Blinded Randomized Placebo-Controlled Clinical Trial

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APA: Copy

SHAYGANNEJAD, VAHID, SARAF BANK, SAHAR, Mirmosayyeb, Omid, MARACY, MOHAMMAD REZA, & ASKARI, GHOLAMREZA. (2018). Association between Sun Exposure, Vitamin D Intake, Serum Vitamin D Level, and Immunoglobulin G Level in Patients with Neuromyelitis Optica Spectrum Disorder. INTERNATIONAL JOURNAL OF PREVENTIVE MEDICINE, 9(-), 0-0. SID. https://sid.ir/paper/746780/en

Vancouver: Copy

SHAYGANNEJAD VAHID, SARAF BANK SAHAR, Mirmosayyeb Omid, MARACY MOHAMMAD REZA, ASKARI GHOLAMREZA. Association between Sun Exposure, Vitamin D Intake, Serum Vitamin D Level, and Immunoglobulin G Level in Patients with Neuromyelitis Optica Spectrum Disorder. INTERNATIONAL JOURNAL OF PREVENTIVE MEDICINE[Internet]. 2018;9(-):0-0. Available from: https://sid.ir/paper/746780/en

IEEE: Copy

VAHID SHAYGANNEJAD, SAHAR SARAF BANK, Omid Mirmosayyeb, MOHAMMAD REZA MARACY, and GHOLAMREZA ASKARI, “Association between Sun Exposure, Vitamin D Intake, Serum Vitamin D Level, and Immunoglobulin G Level in Patients with Neuromyelitis Optica Spectrum Disorder,” INTERNATIONAL JOURNAL OF PREVENTIVE MEDICINE, vol. 9, no. -, pp. 0–0, 2018, [Online]. Available: https://sid.ir/paper/746780/en

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