Replication of the genetic effects of IFN regulatory factor 5 (IRF5) on systemic lupus erythematosus in a Korean population
2007

Genetic Effects of IRF5 on Lupus in Koreans

Sample size: 1565 publication Evidence: high

Author Information

Author(s): Shin Hyoung Do, Sung Yoon-Kyoung, Choi Chan-Bum, Lee Soo Ok, Lee Hye Won, Bae Sang-Cheol

Primary Institution: SNP Genetics Inc. and Hanyang University

Hypothesis

Are IRF5 gene polymorphisms associated with systemic lupus erythematosus in a Korean population?

Conclusion

The study found that IRF5 variants are associated with an increased risk of systemic lupus erythematosus in both white and Asian populations.

Supporting Evidence

  • The rs2004640 T allele was found at a higher frequency in SLE cases than controls.
  • The study replicated previous findings from white populations regarding IRF5 variants and SLE.
  • A combined analysis of multiple cohorts showed consistent associations of the rs2004640 T allele with SLE.

Takeaway

This study looked at genes in Korean people to see if they are linked to lupus, and found that certain gene changes are related to a higher chance of getting the disease.

Methodology

593 SLE patients and 972 controls were genotyped using the TaqMan method, and statistical analyses were performed to evaluate genetic associations.

Limitations

The study is limited to a specific ethnic group and may not be generalizable to other populations.

Participant Demographics

593 SLE patients (35 males, 558 females) and 972 healthy controls (139 males, 832 females) from Korea.

Statistical Information

P-Value

0.0003

Confidence Interval

1.14–1.54

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/ar2152

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