ArticleAIDS (London, England)2017
Potential for immune-driven viral polymorphisms to compromise antiretroviral-based preexposure prophylaxis for prevention of HIV-1 infection.
Article in AIDS (London, England), 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 7 citations in OpenAlex.
- Article
- What Will Happen to Biomedical Research in Low-and-Middle Income Countries in the PostCOVID-19 World?Current tropical medicine reports · 2021Review
- Clinical and evolutionary consequences of HIV adaptation to HLA: implications for vaccine and cure.Current opinion in HIV and AIDS · 2019Review
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Authors and funding
26 authors at 16 institutions in 12 countries.
Funding
Abstract
objectiveLong-acting rilpivirine is a candidate for preexposure prophylaxis (PrEP) for prevention of HIV-1 infection. However, rilpivirine resistance mutations at reverse transcriptase codon 138 (E138X) occur naturally in a minority of HIV-1-infected persons; in particular those expressing human leukocyte antigen (HLA)-B18 where reverse transcriptase-E138X arises as an immune escape mutation. We investigate the global prevalence, B18-linkage and replicative cost of reverse transcriptase-E138X and its regional implications for rilpivirine PrEP.
methodsWe analyzed linked reverse transcriptase-E138X/HLA data from 7772 antiretroviral-naive patients from 16 cohorts spanning five continents and five HIV-1 subtypes, alongside unlinked global reverse transcriptase-E138X and HLA frequencies from public databases. E138X-containing HIV-1 variants were assessed for in-vitro replication as a surrogate of mutation stability following transmission.
resultsReverse transcriptase-E138X variants, where the most common were rilpivirine resistance-associated mutations E138A/G/K, were significantly enriched in HLA-B18-positive individuals globally (P = 3.5 × 10) and in all HIV-1 subtypes except A. Reverse transcriptase-E138X and B18 frequencies correlated positively in 16 cohorts with linked HIV/HLA genotypes (Spearman's R = 0.75; P = 7.6 × 10) and in unlinked HIV/HLA data from 43 countries (Spearman's R = 0.34, P = 0.02). Notably, reverse transcriptase-E138X frequencies approached (or exceeded) 10% in key epidemic regions (e.g. sub-Saharan Africa, Southeastern Europe) where B18 is more common. This, along with the observation that reverse transcriptase-E138X variants do not confer in-vitro replicative costs, supports their persistence, and ongoing accumulation in circulation over time.
conclusionsResults illustrate the potential for a natural immune-driven HIV-1 polymorphism to compromise antiretroviral-based prevention, particularly in key epidemic regions. Regional reverse transcriptase-E138X surveillance should be undertaken before use of rilpivirine PrEP.
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