HLA-A Gene and Behcet's Disease
Author Information
Author(s): Kang Eun Ha, Kim Jeong Yeon, Takeuchi Fujio, Kim Joon Wan, Shin Kichul, Lee Eun Young, Lee Yun Jong, Lee Eun Bong, Park Myoung Hee, Song Yeong Wook
Primary Institution: Seoul National University Hospital
Hypothesis
The study investigates associations between the HLA-A gene and Behcet's disease and its clinical manifestations.
Conclusion
HLA-A*02:07, A*26:01, and A*30:04 are associated with increased risk for Behcet's disease, while HLA-A*33:03 is associated with decreased risk.
Supporting Evidence
- HLA-A*02:07, A*26:01, and A*30:04 were found to be more frequent in BD patients than in controls.
- HLA-A*33:03 was found to be less frequent in BD patients compared to controls.
- Associations were confirmed through a meta-analysis with Japanese data.
- HLA-A*02:07 was associated with skin lesions and arthritis.
- HLA-A*26:01 was associated with uveitis.
- HLA-A*30:04 was associated with vascular lesions and genital ulcers.
Takeaway
This study found that certain genes can make people more likely to get Behcet's disease, which causes painful sores and other symptoms.
Methodology
Genotyping for the HLA-A locus was performed using the polymerase chain reaction-Luminex typing method in 223 BD patients and 1,398 healthy controls.
Potential Biases
The study may be affected by population stratification due to the lack of individual demographic data for controls.
Limitations
The individual demographic data of the controls were not made available to conceal personal information.
Participant Demographics
{"gender_ratio":"110:113 (M:F)","mean_age_at_diagnosis":43.1,"disease_duration_mean":12.8}
Statistical Information
P-Value
p<0.0005
Confidence Interval
95% CI
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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