HLA Class I Markers and HIV-1 Acquisition
Author Information
Author(s): Song Wei, He Dongning, Brill Ilene, Malhotra Rakhi, Mulenga Joseph, Allen Susan, Hunter Eric, Tang Jianming, Kaslow Richard A.
Primary Institution: University of Alabama at Birmingham
Hypothesis
What is the impact of HLA class I determinants on HIV-1 acquisition in heterosexual couples?
Conclusion
Certain HLA class I markers are associated with faster HIV-1 acquisition in exposed partners of discordant couples in Zambia.
Supporting Evidence
- HLA-A*68:02 and B*42-C*17 were significantly associated with faster HIV-1 acquisition.
- 240 out of 568 couples seroconverted during the study period.
- Behavioral and clinical risk factors were also assessed in relation to HIV-1 transmission.
Takeaway
Some genetic markers can make people more likely to get HIV, even if they are in a relationship with someone who has it.
Methodology
The study followed 568 cohabiting couples for at least nine months, assessing behavioral, clinical, and genetic factors related to HIV-1 transmission.
Potential Biases
Potential selection bias in the recruitment of couples based on risk factors.
Limitations
The study may not generalize to populations outside of Zambia, and the follow-up period was limited to nine months.
Participant Demographics
Cohabiting HIV-1 serodiscordant couples from Zambia.
Statistical Information
P-Value
0.007 for HLA-A*68:02 and 0.013 for B*42-C*17
Confidence Interval
95% CI for A*68:02 is 21–45 months and for B*42-C*17 is 27–51 months
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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