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Article Abstract
Introduction: MicroRNAs (miRNAs) are small non-coding RNAs that play a key role in post-transcriptional modulation of individual genes' expression. Several miRNA variants from different populations are known to be associated with an increased risk of rheumatoid arthritis (RA).
Aim: This study was undertaken with the aim to investigate the association of single nucleotide variants; namely, rs2292832, rs3746444, rs11614913, rs1044165, and rs767649 of MIR149, MIR499, MIR196, MIR223, and MIR155, respectively, with RA in the Pakistani population.
Methods: A case-control study was performed by recruiting and genotyping a total of 600 individuals (300 cases and 300 controls) for these five variants using a TaqMan single-nucleotide polymorphism (SNP) genotyping assay. The resultant genotypic data was statistically analyzed through a chi-squared test for its association with RA under different inheritance models.
Results: We found a significant association of rs2292832 with RA at genotypic (co-dominant ( < 0.0001), dominant (CC vs. TT + CT: OR 2.063 (1.437-2.962); = 0.0001), recessive (TT vs. CT + CC: OR 0.376 (0.259-0.548); < 0.0001)), and allelic (allele C) levels ((OR 0.506 (0.402-0637); < 0.0001)). Similarly, the rs3746444 showed a significant association with RA under co-dominant ( = 0.0001), dominant (GG vs. AA + AG: OR 5.246 (3.414-8.061); < 0.0001), recessive (AA vs. GG + AG: OR 0.653 (0.466-0.916); = 0.014), and additive models (G vs. A; OR 0.779 (0.620-0.978); = 0.03). However, we did not observe any significant association of rs11614913, rs1044165, or rs767649 with RA in our subjects.
Conclusion: To our knowledge, this was the first study that investigated and found an association between functional polymorphisms in miRNAs and RA in the Pakistani population.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9956572 | PMC |
| http://dx.doi.org/10.3390/genes14020431 | DOI Listing |
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