ArticleEBioMedicine2024
Transmission of highly virulent CXCR4 tropic HIV-1 through the mucosal route in an individual with a wild-type CCR5 genotype.
Article in EBioMedicine, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers, 1 of them a synthesis that pooled it.
What it found
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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.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
9 citing papers in PubMed, 1 synthesis or guideline pooled it.
- High prevalence of baseline Non-R5 viral tropism in PLWH is associated with immune damage: a systematic review and meta-analysis.Frontiers in immunology · 2025Pooled it
- Article
- Genotypic and phenotypic characteristics of CXCR4-using transmitted/founder HIV-1 envelope glycoproteins.Journal of virology · 2026Article
- Functional roles, mechanistic insights, and therapeutic potential of the IGF2BP family in viral infections and virus-associated cancers.Journal of molecular histology · 2026Review
- The CXCR4-targeted theranostics era: a comprehensive review of a decade of progress (2015-2025).Theranostics · 2026Review
- Distinct memory CD4ASM case reports · 2025Article
- Identification of Multiple Unique HIV-1 Recombinant Forms in Newly Reported HIV-1 Infected Individuals - Anhui Province, China, 2023.China CDC weekly · 2025Article
- Double, double toil and trouble: transforming growth factor beta (TGF-β) in HIV infection.Frontiers in immunology · 2025Review
- HIV-1 envelope facilitates the development of protease inhibitor resistance through acquiring mutations associated with viral entry and immune escape.Frontiers in microbiology · 2024Article
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Authors and funding
19 authors.
Funding
Abstract
backgroundNearly all transmitted/founder (T/F) HIV-1 are CCR5 (R5)-tropic. While previous evidence suggested that CXCR4 (X4)-tropic HIV-1 are transmissible, virus detection and characterization were not at the earliest stages of acute infection.
methodsWe identified an X4-tropic T/F HIV-1 in a participant (40700) in the RV217 acute infection cohort. Coreceptor usage was determined in TZM-bl cell line, NP-2 cell lines, and primary CD4
findingsParticipant 40700 was infected by an X4 tropic HIV-1 without CCR5 using ability. This participant experienced significantly faster CD4 depletion compared to R5 virus infected individuals in the same cohort. Naïve and central memory (CM) CD4 subsets declined faster than effector memory (EM) and transitional memory (TM) subsets. All CD4 subsets, including the naïve, were productively infected. Increased CD4
interpretationX4-tropic HIV-1 is transmissible through mucosal route in people with wild-type CCR5 genotype. The CD4 subset tropism of HIV-1 may be an important determinant for HIV-1 transmissibility and virulence.
fundingInstitute of Human Virology, National Institutes of Health, Henry M. Jackson Foundation for the Advancement of Military Medicine.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.