Abstract
Long noncoding RNA MEG3 and NLRC5 genes are both involved in the immune system and the regulation of NLRC5 by MEG3 is documented in rheumatoid arthritis. Therefore, we intended to evaluate the association between the expressions of MEG3 and NLRC5 in multiple sclerosis (MS). Forty relapsing and remitting MS (RRMS) patients (20 in each group) and twenty healthy individuals were enrolled. The expression level of MEG3 and NLRC5 was assessed in peripheral blood mononuclear cells. Sub-group analysis demonstrated that the expression level of MEG3 is reduced in the relapse patient group compared to remission and healthy groups (p < 0.001). The expression level of NLRC5 was higher in whole patients compared with healthy controls (p < 0.05). Moreover, a negative correlation was observed between the expression of these two genes (r = −0.73, p < 0.0001). To conclude, our findings showed the dysregulation of MEG3 and NLRC5 expressions in RRMS patients. Also, the converse association of MEG3 and NLRC5 reflects that the role of MEG3 in MS development is probably mediated by modulation of NLRC5.
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We would like to appreciate any support provided by Semnan University of Medical Sciences.
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This research was funded by the Semnan University of Medical Sciences, Semnan, Iran
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ST wrote the drafting manuscript. SB and TG edited the final manuscript. MD and HD performed PBMCs isolation, preparation of RNA, cDNA synthesis, and quantitative real-time PCR. SMH and SR carried out families recruitments and are responsible for clinical assessments, and examination. MS critically reviewed and revised the intellectual content of the manuscript. MS also conceived and designed the whole project. All authors agree to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved.
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Torkamandi, S., Bahrami, S., Ghorashi, T. et al. Dysregulation of long noncoding RNA MEG3 and NLRC5 expressions in patients with relapsing-remitting multiple sclerosis: is there any correlation?. Genes Immun 22, 322–326 (2021). https://doi.org/10.1038/s41435-021-00154-4
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DOI: https://doi.org/10.1038/s41435-021-00154-4
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