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Down-regulation of CYP27B1 gene expression in Iranian patients with relapsing-remitting multiple sclerosis
Zahra Rezaie1,1, Mohammad Taheri2,3,1, Leila Kohan1
1Department of Biology, Arsanjan Branch, Islamic Azad University, Arsanjan, Iran.
Background:
Multiple sclerosis (MS) as a complex neurological disease can be due to vitamin D deficiency. CYP27B1 is referred to as a vitamin D metabolizing enzyme.
Materials And Methods:
This study compared the expression level of CYP27B1 in Relapsing-Remitting MS (RRMS) patients with normal individuals in Iran. The RNA was extracted from 50 RRMS patients and 50 normal controls. Quantitative RT-PCR was adopted to measure the expression level of CYP27B1 gene.
Results:
The expression level of CYP27B1gene was significantly lower in the RRMS patients than their normal counterparts (P value = 0.04). Also, the RRMS females participating had a significant reduction in CYP27B1 gene expression compared to normal females (P-Value = 0.01). In addition, the correlation between CYP27B1 expression level, and the risk of Expanded Disability Status Scale of Kurtzke (EDSS) was not linear. Additionally, there was no significant correlation between expression status of CYP27B1gene and duration of the disease.
Conclusion:
A significant decrease in the expression level of CYP27A1 in female patients could indicate their greater vulnerability to MS than the male patients.
Insights
Vitamin D deficiency may contribute to multiple sclerosis (MS). This study found lower CYP27B1 enzyme expression in Relapsing-Remitting MS patients, particularly females, suggesting a link to disease risk.
Area of Science:
- Neurology
- Endocrinology
- Genetics
Background:
- Multiple sclerosis (MS) is a complex neurological disorder potentially linked to vitamin D deficiency.
- The CYP27B1 gene encodes a key enzyme involved in vitamin D metabolism.
Purpose of the Study:
- To compare CYP27B1 gene expression levels between Relapsing-Remitting MS (RRMS) patients and healthy individuals in Iran.
- To investigate the association between CYP27B1 expression and MS risk factors.
Main Methods:
- Quantitative RT-PCR was used to measure CYP27B1 gene expression.
- RNA was extracted from blood samples of 50 RRMS patients and 50 healthy controls.
- Expression levels were analyzed and compared between the groups.
Main Results:
- CYP27B1 gene expression was significantly lower in RRMS patients compared to normal individuals (P=0.04).
- Female RRMS patients exhibited a significant reduction in CYP27B1 expression compared to normal females (P=0.01).
- No significant linear correlation was found between CYP27B1 expression and Expanded Disability Status Scale (EDSS) or disease duration.
Conclusions:
- Reduced CYP27B1 expression in female MS patients may indicate increased vulnerability.
- These findings highlight a potential role for vitamin D metabolism in MS pathogenesis, especially in women.
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