Distinct gene expression by expanded clones of quiescent memory CD4+ T cells harboring intact latent HIV-1 proviruses
bioRxiv (Cold Spring Harbor Laboratory)(2022)
摘要
Antiretroviral therapy controls but does not cure HIV-1 infection due to a reservoir of rare CD4+ T cells harboring latent proviruses. Little is known about the transcriptional program of latent cells. Here we report a novel strategy to enrich clones of latent cells carrying intact, replication- competent HIV-1 proviruses from blood based on their expression of unique T cell receptors. Latent cell enrichment enabled single cell transcriptomic analysis of 1,050 CD4+ T cells belonging to expanded clones harboring intact HIV-1 proviruses from 6 different individuals. The analysis revealed that most of these cells are T effector memory cells that are enriched for expression of HLA-DR, HLA-DP, CD74, CCL5, Granzymes A and K, cystatin F, LYAR and DUSP2. We conclude that expanded clones of latent cells carrying intact HIV-1 proviruses persist preferentially in a distinct CD4+ T cell population opening new possibilities for eradication.
![Figure][1]
### Competing Interest Statement
Rockefeller University has patents on anti-HIV-1 antibodies 3BNC117 and 10-1074 on which Michel Nussenzweig is an inventor that are licensed to Gilead.
[1]: pending:yes
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关键词
CP: Immunology
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