Abstract:
:Latently human immunodeficiency virus (HIV)-infected cells are transcriptionally quiescent and invisible to clearance by the immune system. To demonstrate that the latency reversing agent vorinostat (VOR) induces a window of vulnerability in the latent HIV reservoir, defined as the triggering of viral antigen production sufficient in quantity and duration to allow for recognition and clearance of persisting infection, we developed a latency clearance assay (LCA). The LCA is a quantitative viral outgrowth assay (QVOA) that includes the addition of immune effectors capable of clearing cells expressing viral antigen. Here we show a reduction in the recovery of replication-competent virus from VOR exposed resting CD4 T cells following addition of immune effectors for a discrete period. TAKE HOME MESSAGE:VOR exposure leads to sufficient production of viral protein on the cell surface, creating a window of vulnerability within this latent reservoir in antiretroviral therapy (ART)-suppressed HIV-infected individuals that allows the clearance of latently infected cells by an array of effector mechanisms.
journal_name
EBioMedicinejournal_title
EBioMedicineauthors
Sung JA,Sholtis K,Kirchherr J,Kuruc JD,Gay CL,Nordstrom JL,Bollard CM,Archin NM,Margolis DMdoi
10.1016/j.ebiom.2017.07.019subject
Has Abstractpub_date
2017-09-01 00:00:00pages
52-58issn
2352-3964pii
S2352-3964(17)30292-Xjournal_volume
23pub_type
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