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Related Experiment Video

Updated: May 14, 2026

An Adoptive Transfer Model of Rheumatoid Arthritis in Mice

An Adoptive Transfer Model of Rheumatoid Arthritis in Mice

Published on: June 6, 2025

Meta-analysis demonstrates association between TLR polymorphisms and rheumatoid arthritis.

Y H Lee¹, S-C Bae, G G Song

¹Division of Rheumatology, Department of Internal Medicine, College of Medicine, Korea University, Seoul, Korea. lyhcgh@korea.ac.kr

Genetics and Molecular Research : GMR

|February 20, 2013

Summary

Toll-like receptor (TLR) gene variations may influence rheumatoid arthritis development and symptoms, particularly in Asian and Middle Eastern populations. Further research is needed to confirm these associations in diverse ethnic groups.

Related Experiment Videos

Last Updated: May 14, 2026

An Adoptive Transfer Model of Rheumatoid Arthritis in Mice

An Adoptive Transfer Model of Rheumatoid Arthritis in Mice

Published on: June 6, 2025

Area of Science:

Immunogenetics
Rheumatology

Background:

Rheumatoid arthritis (RA) is a chronic autoimmune disease with complex etiology.
Genetic factors, including Toll-like receptor (TLR) polymorphisms, are implicated in RA susceptibility and progression.

Purpose of the Study:

To investigate the association between TLR polymorphisms and rheumatoid arthritis (RA) susceptibility.
To determine if TLR polymorphisms influence the clinical characteristics of RA.

Main Methods:

A meta-analysis was conducted on eleven studies involving 2078 RA patients and 2581 controls.
Studies were included if they provided at least two comparisons for a specific TLR polymorphism.
Data from European, Asian, and Middle Eastern populations were analyzed.

Main Results:

No significant association was found between TLR4 Asp299Gly (rs4986790) polymorphism and RA in European studies.
Significant associations were observed for TLR9 rs187084, TLR8 rs5741883, and TLR2 gene polymorphisms (GTn repeats) with RA in specific populations.
Overall meta-analysis indicated TLR polymorphism association with RA development and clinical features in Asian and Middle Eastern populations.

Conclusions:

TLR polymorphisms may play a role in the pathogenesis and clinical presentation of rheumatoid arthritis.
The association appears more pronounced in Asian and Middle Eastern populations compared to European populations.
Further investigation is warranted to elucidate the specific mechanisms and clinical implications of TLR polymorphisms in RA.