HLA Alleles and Severe Dengue Infection
Author Information
Author(s): Lan Nguyen Thi Phuong, Kikuchi Mihoko, Huong Vu Thi Que, Ha Do Quang, Thuy Tran Thi, Tham Vo Dinh, Tuan Ha Manh, Tuong Vo Van, Nga Cao Thi Phi, Van Dat Tran, Oyama Toshifumi, Morita Kouichi, Yasunami Michio, Hirayama Kenji
Primary Institution: Institute of Tropical Medicine (NEKKEN), Nagasaki University, Japan
Hypothesis
The study investigates the association of specific HLA alleles with the severity of dengue virus infection.
Conclusion
The study found that HLA-A*24 is associated with increased risk of severe dengue, while HLA-DRB1*0901 is protective against dengue shock syndrome.
Supporting Evidence
- HLA-A*24 was found to increase the risk of severe dengue infection.
- HLA-DRB1*0901 was associated with a decreased risk of dengue shock syndrome.
- The study included a large sample size of patients from multiple hospitals.
- The findings support previous research on the role of HLA in dengue severity.
Takeaway
Some people have special genes that make them more likely to get really sick from dengue fever, while others have genes that help protect them.
Methodology
A hospital-based case-control study was conducted analyzing HLA alleles in patients with dengue hemorrhagic fever and dengue shock syndrome.
Potential Biases
Potential biases may arise from the selection of control groups and the reliance on clinical diagnosis.
Limitations
The study is limited to a specific ethnic group and geographic area, which may affect the generalizability of the findings.
Participant Demographics
Participants were Vietnamese children aged 6 months to 15 years, primarily of Kinh ethnicity.
Statistical Information
P-Value
0.008
Confidence Interval
1.02–2.58
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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