Vitamin D Receptor Gene Polymorphism and the Risk of Multiple Sclerosis in the Azeri Population of Iran

Title:Vitamin D Receptor Gene Polymorphism and the Risk of Multiple Sclerosis in the Azeri Population of Iran

Volume: 21 Issue: 7

Author(s): Mahya Pourostadi, Simin Sattarpour, Behroz M. Poor*, Mohammad Asgharzadeh, Hossein S. Kafil, Mehdi Farhoudi, Vahid Asgharzadeh, Ali Vegari, Nima Najafi-Ghalelou and Jalil Rashedi

Affiliation:

• Department of Laboratory Sciences, Faculty of Paramedicine, Tabriz University of Medical Sciences, Tabriz,Iran

Keywords: VDR, polymorphism, multiple sclerosis, vitamin D, sun exposure, Iran.

Abstract:

Background: Multiple sclerosis (MS), a disease of the central nervous system (CNS), is associated with damage to the myelin sheath of neurons. It is demonstrated that vitamin D deficiency plays an important role in the development of the disease. Binding of vitamin D to its specific nuclear receptors is a way to exert its function.

Objective: Possible correlation between the vitamin D receptor (VDR) gene and MS was evaluated in the Azeri population of Iran.

Methods: Different genotypes of the Bsml site were determined by using the PCR-RFLP method in 148 MS patients and 220 non-relative healthy controls.

Results: In MS patients, genotype bb was significantly higher than the healthy controls (p<0.05). Additionally, most subjects of the MS group had been insufficiently exposed to sunlight before the age of 15 (p<0.001). Our findings indicated that the red meat intake in MS patients was significantly higher than the healthy controls (p<0.001). In addition, the healthy controls had appropriate dieting behaviors in comparison to MS patients (excessive intake of some foods) (p=0.0001).

Conclusion: In conclusion, genotype BB and sufficient exposure to sunlight before the age of 15 were the protective factors against MS. Although, excessive consumption of red meat and inappropriate dieting behaviors were predisposing factors to MS disease.

Cite this article as:

Pourostadi Mahya, Sattarpour Simin , Poor M. Behroz *, Asgharzadeh Mohammad , Kafil S. Hossein , Farhoudi Mehdi , Asgharzadeh Vahid , Vegari Ali , Najafi-Ghalelou Nima and Rashedi Jalil , Vitamin D Receptor Gene Polymorphism and the Risk of Multiple Sclerosis in the Azeri Population of Iran, Endocrine, Metabolic & Immune Disorders - Drug Targets 2021; 21 (7) . https://dx.doi.org/10.2174/1871530320666200910113954