Wahba AS, Ibrahim ME, Mesbah NM, Saleh SM, Abo-Elmatty DM, Mehanna ET. Long non-coding RNA MEG3 and its genetic variant rs941576 are associated with rheumatoid arthritis pathogenesis in Egyptian patients.
Arch Physiol Biochem 2022;
128:1571-1578. [PMID:
32608280 DOI:
10.1080/13813455.2020.1784951]
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Abstract
BACKGROUND
Rheumatoid arthritis (RA) is a joint destructive disorder. This study aimed to assess lncRNA MEG3 expression and its variant rs941576 in Egyptian patients with RA.
SUBJECTS AND METHODS
100 RA patients and 100 healthy individuals were enrolled in the study. Quantitative PCR was used for expression analysis and allelic discrimination technology for genotyping.
RESULTS
LncRNA MEG3 was down-regulated in RA patients and negatively associated with RA clinical features and HIF-1α and VEGF serum levels. On the contrary, it was positively associated with BAX serum levels in RA patients. The major A allele of rs941576 variant was associated with RA patients (p = .0003). AA genotype showed a significant decrease in lncRNA MEG3 expression and BAX and increase in HIF-1α and VEGF.
CONCLUSIONS
Serum lncRNA MEG3 expression showed negative association with increased susceptibility to RA. MEG3 gene rs941576 (A/G) polymorphism was associated with increased severity of RA in the current population.
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