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Updated: May 7, 2026

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A Restriction Enzyme Based Cloning Method to Assess the In vitro Replication Capacity of HIV-1 Subtype C Gag-MJ4 Chimeric Viruses
Published on: August 31, 2014
Comment on "Influence of HLA-C expression level on HIV control"
Elisa Lo Monaco1, Elisa Tremante, Priscilla Biswas
1Istituto Nazionale Tumori Regina Elena, Via delle Messi d'Oro 156, 00158 Roma, Italy.
Summary
High human leukocyte antigen C (HLA-C) expression aids HIV-1 control. This effect may involve collaboration between HLA-C and HLA-E, suggesting a combined immune strategy against the virus.
Area of Science:
- Immunology
- Virology
- Genetics
Background:
- Previous research indicated that high human leukocyte antigen C (HLA-C) expression is associated with better control of Human Immunodeficiency Virus type 1 (HIV-1) infection.
- The antibody used in prior studies (DT9) to assess HLA-C expression is known to cross-react with HLA-E, suggesting a potential confounding factor.
Purpose of the Study:
- To re-evaluate the role of HLA-C in HIV-1 control considering its cross-reactivity with HLA-E.
- To investigate the potential collaborative role of HLA-C and HLA-E in managing HIV-1 infection.
Main Methods:
- Analysis of existing data on HLA-C expression in HIV-1 infected individuals.
- Consideration of the cross-reactivity of the DT9 antibody with both HLA-C and HLA-E.
Main Results:
- The findings are consistent with the hypothesis that HLA-C expression favors HIV-1 control.
- The cross-reactivity of the antibody suggests that the observed effect might be due to the combined action of both HLA-C and HLA-E.
Conclusions:
- The study supports the notion that HLA-C plays a role in HIV-1 control.
- Evidence suggests a collaborative mechanism between HLA-C and HLA-E in restricting HIV-1 replication.

