Literature Information
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PubMed PMID
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24968937
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Year
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2014 Jul 11;345(6193):179-83 |
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Journal
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Science (New York, N.Y.) |
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Title
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HIV latency. Specific HIV integration sites are linked to clonal expansion and persistence of infected cells. |
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Author
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Maldarelli F,Wu X,Su L,Simonetti FR,Shao W,Hill S,Spindler J,Ferris AL,Mellors JW,Kearney MF,Coffin JM,Hughes SH |
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Evidence
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The persistence of HIV-infected cells in individuals on suppressive combination antiretroviral therapy (cART) presents a major barrier for curing HIV infections. HIV integrates its DNA into many sites in the host genome; we identified 2410 integration sites in peripheral blood lymphocytes of five infected individuals on cART. About 40% of the integrations were in clonally expanded cells. Approximately 50% of the infected cells in one patient were from a single clone, and some clones persisted for many years. There were multiple independent integrations in several genes, including MKL2 and BACH2; many of these integrations were in clonally expanded cells. Our findings show that HIV integration sites can play a critical role in expansion and persistence of HIV-infected cells.
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