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The Hypoxia-regulated Ectonucleotidase CD73 is a Host Determinant of HIV Latency [Array]

ABSTRACT: The Hypoxia-regulated Ectonucleotidase CD73 is a Host Determinant of HIV Latency [Array]

PROVIDER: PRJNA1018954 | ENA |

REPOSITORIES: ENA

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The Hypoxia-regulated Ectonucleotidase CD73 is a Host Determinant of HIV Latency [Array]

Project description:Deciphering the mechanisms underlying viral persistence is critical to achieving a cure for HIV infection. Here, we implement a systems approach to discover molecular signatures of HIV latently-infected CD4+ T cells, identifying the immunosuppressive, adenosine-producing ectonucleotidase CD73 as a key surface marker of latent cells. Hypoxic conditioning, reflecting the lymphoid tissue microenvironment, increases the frequency of CD73+ CD4+ T cells and promotes HIV latency. Transcriptomic profiles of CD73+ CD4+ T cells favor viral quiescence, immune evasion, and cell survival. CD73+ CD4+ T cells are capable of harboring a functional HIV reservoir and reinitiating productive infection ex vivo. CD73 or adenosine receptor blockade facilitates latent HIV reactivation in vitro, mechanistically linking adenosine signaling to viral quiescence. Finally, tissue imaging of lymph nodes from HIV-infected individuals on antiretroviral therapy reveals spatial association between CD73 expression and HIV persistence in vivo. Our findings warrant development of HIV cure strategies targeting the hypoxia-CD73-adenosine axis.

2023-09-24 | GSE243577 | GEO

The Hypoxia-regulated Ectonucleotidase CD73 is a Host Determinant of HIV Latency

Project description:The Hypoxia-regulated Ectonucleotidase CD73 is a Host Determinant of HIV Latency

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The Hypoxia-regulated Ectonucleotidase CD73 is a Host Determinant of HIV Latency [RNA-seq]

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The Hypoxia-regulated Ectonucleotidase CD73 is a Host Determinant of HIV Latency [RNA-seq]

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Project description: Not available

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The Hypoxia-regulated Ectonucleotidase CD73 is a Host Determinant of HIV Latency

Project description:This SuperSeries is composed of the SubSeries listed below.

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Virus Entry is a Major Determinant of HCMV Latency in Monocytes

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