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Updated: Jul 19, 2026

Targeted Next-generation Sequencing and Bioinformatics Pipeline to Evaluate Genetic Determinants of Constitutional Disease
Published on: April 4, 2018
SLC11A1 gene polymorphisms in Korean patients with Behçet's disease
1Department of Internal Medicine, Dankook University, Cheonan, South Korea.
The 5'-promoter (GT)n polymorphism in the SLC11A1 gene may offer protection against Behçet's disease (BD) in Koreans. Specifically, allele 3 and genotype 3/3 showed a reduced risk of developing BD.
Area of Science:
- Genetics
- Immunology
- Rheumatology
Background:
- Behçet's disease (BD) is a chronic inflammatory disorder with complex etiology.
- Genetic factors are implicated in BD susceptibility, but specific gene associations require further investigation.
- The solute carrier family 11 member 1 (SLC11A1) gene is a candidate for influencing immune responses and disease risk.
Purpose of the Study:
- To examine the association between solute carrier family 11 member 1 (SLC11A1) gene polymorphisms and Behçet's disease (BD) in a Korean population.
- To identify specific SLC11A1 gene variants that may confer susceptibility or protection against BD.
- To contribute to understanding the genetic underpinnings of BD.
Main Methods:
- Case-control study involving 99 Korean patients with BD and 98 healthy controls.
- Genotyping of three SLC11A1 gene polymorphisms: 5 ext-promoter (GT)n, D543N, and A318V.
- Analysis using denaturing high-performance liquid chromatography and automatic DNA sequencing, with statistical comparison via chi-squared and Yate's correction tests.
Main Results:
- No significant difference in (GT)n genotypes or alleles between BD patients and controls.
- Individuals with the (GT)n allele 3 or genotype 3/3 exhibited a significantly lower risk of developing BD (OR=0.60-0.54).
- No significant associations were found for D543N and A318V polymorphisms with BD risk in this cohort.
Conclusions:
- The 5 ext-promoter (GT)n polymorphism, specifically allele 3 and genotype 3/3 of the SLC11A1 gene, may possess a protective effect against BD development in Koreans.
- These findings suggest a potential role for SLC11A1 in BD pathogenesis.
- Further validation in diverse ethnic populations is recommended to confirm these protective associations.
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