| ORIGINAL ARTICLE |
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| Year : 2023 | Volume
: 17
| Issue : 1 | Page : 11-15 |
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Major histocompatibility complex class I-related chain A and macrophage migration inhibitory factor gene polymorphisms in a Turkish patient population with vitiligo
İkbal E Aydingoz1, İlknur Bingül2, Pervin Vural2, Semra Doğru-Abbasoğlu2
1 Department of Dermatology, School of Medicine, Acıbadem Mehmet Ali Aydınlar University, Istanbul, Turkey
2 Department of Biochemistry, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
Correspondence Address:
Prof. İkbal E Aydingoz
Department of Dermatology, Acibadem Kozyatağı Hospital, Ondokuz Mayıs Mahallesi Begonya Sokak No 12, Kadıköy, Istanbul
Turkey
 Source of Support: None, Conflict of Interest: None
DOI: 10.4103/tjd.tjd_52_22
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Background: Autoimmunity has been implicated in the etiopathogenesis of vitiligo. Aim: We sought to determine whether polymorphisms in the major histocompatibility complex class I-related chain A (MICA) and macrophage migration inhibitory factor (MIF) genes may have a role in the pathogenesis of vitiligo. Materials and Methods: We conducted a study including 100 patients with vitiligo and age- and sex-matched 172 control subjects to examine the role of single-nucleotide polymorphisms of MICA gene rs1051792 and MIF genes rs755622 and rs2096525 as risk factors for vitiligo. Real-time PCR combined with the melting curve analysis using fluorescence-labeled hybridization probes was used for genotyping analyses. Mann–Whitney, Kruskal–Wallis, and chi-square (χ2) tests as well as multivariate logistic regression adjusted for age and gender were used for statistical evaluation. Linkage disequilibrium (LD) and haplotype frequencies were also performed. Results: No significant association was observed between the variant alleles of studied genes and vitiligo. Haplotype analysis demonstrated that there was a strong LD between rs755622 and rs2096525 loci of MIF gene (D′ = 0.92, r2 = 0.827). However, haplotype frequencies in patients were similar to those in controls. Conclusion: These preliminary results suggest that the polymorphic variants of MIF rs755622, MIF rs2096525, and MICA rs1051792 genes do not play a critical role in the etiopathogenesis of vitiligo. |
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