Association between TLR1 polymorphisms and alopecia areata
| Autor: | Hosik Seok, Dong Woo Suh, Woo-Young Sim, Byungchul Jo, Hun Kuk Park, Hyang Mi Jang, Bark-Lynn Lew, Hwang-Bin Lee, Joo-Ho Chung |
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| Rok vydání: | 2014 |
| Předmět: |
medicine.medical_specialty
Alopecia Areata Immunology Single-nucleotide polymorphism Odds ratio Alopecia areata Biology medicine.disease Polymorphism Single Nucleotide Toll-Like Receptor 1 Body hair Endocrinology Internal medicine Case-Control Studies Republic of Korea medicine Odds Ratio Immunology and Allergy SNP Missense mutation Humans Genetic Predisposition to Disease Age of onset Promoter Regions Genetic Allele frequency |
| Zdroj: | Autoimmunity. 47(6) |
| ISSN: | 1607-842X |
| Popis: | Toll-like receptors (TLRs) may contribute to the process of autoimmune attacks on hair follicles. To investigate whether the TLR1 gene polymorphisms are associated with the development and clinical features of alopecia areata (AA), a case-control comparison of two single nucleotide polymorphisms (SNPs) (rs4833095, Asn248Ser and rs5743557, -414C T) of TLR1 were studied in 239 AA patients and 248 controls. Using multiple logistic regression model, odds ratios, 95% confidence intervals and corresponding p values were estimated. Clinical features were analyzed based on the age of onset, family history, type of AA, nail involvement and body hair involvement. The missense SNP rs4833095 was significantly associated with the development of AA (codominant2, p = 0.002; recessive, p = 0.001; log-additive, p = 0.0071; and allele frequency, p = 0.0066). The promoter SNP rs5743557 was weakly associated with the development of AA (codominant2, p = 0.019; recessive, p = 0.032; log-additive, p = 0.020; and allele frequency, p = 0.03). In the clinical features, rs4833095 was only weakly associated with age of onset between 15 and 50 years (codominant2, p = 0.043 and recessive, p = 0.022). The results suggest that rs4833095 of TLR1 may be associated with the susceptibility for AA in the Korean population. |
| Databáze: | OpenAIRE |
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