Transcriptomics

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Myeloid Dendritic Cells Induce HIV-1 Latency in Non-Proliferating CD4+ T Cells


ABSTRACT: Latently infected resting CD4+ T cells are a major barrier to HIV cure. Understanding how latency is established, maintained and reversed is critical to identifying novel strategies to eliminate latently infected cells. We demonstrate here that co-culture of resting CD4+ T cells and syngeneic myeloid dendritic cells (mDC) can dramatically increase the frequency of HIV DNA integration and latent HIV infection in non-proliferating memory, but not naïve, CD4+ T cells. Gene expression in non-proliferating CD4+ T cells, enriched for latent infection, showed significant changes in the expression of genes involved in cellular activation and interferon regulated pathways, including the down-regulation of genes controlling both NF-κB and cell cycle. We conclude that mDC play a key role in the establishment of HIV latency in resting memory CD4+ T cells, which is predominantly mediated through signalling during DC-T cell contact.

ORGANISM(S): Homo sapiens

PROVIDER: GSE52344 | GEO | 2014/11/01

SECONDARY ACCESSION(S): PRJNA227454

REPOSITORIES: GEO

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