期刊
INFECTION GENETICS AND EVOLUTION
卷 8, 期 5, 页码 541-544出版社
ELSEVIER
DOI: 10.1016/j.meegid.2008.03.001
关键词
TIRAP; Mal; Tuberculosis; Systemic lupus erythematosus; Rheumatoid arthritis; Sjogren's syndrome; Type 1 diabetes mellitus
资金
- Universidad de Antioquia
- Rosario University, Bogotd, Colombia
Background and aim: The involvement of Toll-like receptor (TLR)-mediated pathways in infectious and autoimmunity has been suggested. The MyD88 adaptor-like (Mal) protein, also known as the TIR domain-containing adaptor protein (TIRAP), is implicated in the TLR2- and TLR4-mediated MyD88-dependent signaling pathway. The aim of this study was to investigate the influence of the functional TIRAP (MAL) S180L polymorphism on tuberculosis (TB) and four autoimmune diseases namely: rheumatoid arthritis (RA), primary Sjogren's syndrome (pSS), systemic lupus erythematosus (SLE) and type 1 diabetes mellitus (T1D). Methods: This was a case-control and family based association study in which 1325 individuals from a well-defined Colombian population were involved. TIRAP (MAL) S180L genotyping was done by using a polymerase chain reaction-restriction fragment length polymorphism technique and by direct sequencing. Results: Leu 180 allele was found to be a protective factor against developing TB (odd ratio (OR): 0.53, 95% confidence interval (CI): 0.29-0.97) and SLE (OR: 0.29, 95% CI: 0.14-0.61) while no significant influence on RA, pSS and T1D was observed. Conclusion: These results support the influence of TIRAP (MAL) S180L polymorphism on TB and indicate that TB and SLE might share a common immunogenetic pathway in the innate immune response. (C) 2008 Elsevier B.V. All rights reserved.
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