{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,6]],"date-time":"2026-03-06T15:31:04Z","timestamp":1772811064631,"version":"3.50.1"},"reference-count":94,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2019,3,13]],"date-time":"2019-03-13T00:00:00Z","timestamp":1552435200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100000060","name":"National Institute of Allergy and Infectious Diseases","doi-asserted-by":"publisher","award":["HHSN272201400002C"],"award-info":[{"award-number":["HHSN272201400002C"]}],"id":[{"id":"10.13039\/100000060","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Viruses"],"abstract":"<jats:p>Although antiretroviral therapy (ART) greatly suppresses HIV replication, lymphoid tissues remain a sanctuary site where the virus may replicate. Tracking the earliest steps of HIV spread from these cellular reservoirs after drug cessation is pivotal for elucidating how infection can be prevented. In this study, we developed an in vivo model of HIV persistence in which viral replication in the lymphoid compartments of humanized mice was inhibited by the HIV reverse transcriptase inhibitor 4\u2032-ethynyl-2-fluoro-2\u2032-deoxyadenosine (EFdA) to very low levels, which recapitulated ART-suppression in HIV-infected individuals. Using a combination of RNAscope in situ hybridization (ISH) and immunohistochemistry (IHC), we quantitatively investigated the distribution of HIV in the lymphoid tissues of humanized mice during active infection, EFdA suppression, and after drug cessation. The lymphoid compartments of EFdA-suppressed humanized mice harbored very rare transcription\/translation-competent HIV reservoirs that enable viral rebound. Our data provided the visualization and direct measurement of the early steps of HIV reservoir expansion within anatomically intact lymphoid tissues soon after EFdA cessation and suggest a strategy to enhance therapeutic approaches aimed at eliminating the HIV reservoir.<\/jats:p>","DOI":"10.3390\/v11030256","type":"journal-article","created":{"date-parts":[[2019,3,14]],"date-time":"2019-03-14T04:15:29Z","timestamp":1552536929000},"page":"256","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Cellular HIV Reservoirs and Viral Rebound from the Lymphoid Compartments of 4\u2032-Ethynyl-2-Fluoro-2\u2032-Deoxyadenosine (EFdA)-Suppressed Humanized Mice"],"prefix":"10.3390","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5797-8953","authenticated-orcid":false,"given":"Ekaterina","family":"Maidji","sequence":"first","affiliation":[{"name":"Division of Experimental Medicine, Department of Medicine, Zuckerberg San Francisco General Hospital, University of California, San Francisco, CA 94110, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2398-5768","authenticated-orcid":false,"given":"Mary E.","family":"Moreno","sequence":"additional","affiliation":[{"name":"Division of Experimental Medicine, Department of Medicine, Zuckerberg San Francisco General Hospital, University of California, San Francisco, CA 94110, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jose M.","family":"Rivera","sequence":"additional","affiliation":[{"name":"Division of Experimental Medicine, Department of Medicine, Zuckerberg San Francisco General Hospital, University of California, San Francisco, CA 94110, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pheroze","family":"Joshi","sequence":"additional","affiliation":[{"name":"Division of Experimental Medicine, Department of Medicine, Zuckerberg San Francisco General Hospital, University of California, San Francisco, CA 94110, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sofiya A.","family":"Galkina","sequence":"additional","affiliation":[{"name":"Division of Experimental Medicine, Department of Medicine, Zuckerberg San Francisco General Hospital, University of California, San Francisco, CA 94110, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Galina","family":"Kosikova","sequence":"additional","affiliation":[{"name":"Division of Experimental Medicine, Department of Medicine, Zuckerberg San Francisco General Hospital, University of California, San Francisco, CA 94110, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ma","family":"Somsouk","sequence":"additional","affiliation":[{"name":"Division of Gastroenterology, Department of Medicine, Zuckerberg San Francisco General Hospital, University of California, San Francisco, CA 94110, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7024-6044","authenticated-orcid":false,"given":"Cheryl A.","family":"Stoddart","sequence":"additional","affiliation":[{"name":"Division of Experimental Medicine, Department of Medicine, Zuckerberg San Francisco General Hospital, University of California, San Francisco, CA 94110, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2019,3,13]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Johnson, L.F., Mossong, J., Dorrington, R.E., Schomaker, M., Hoffmann, C.J., Keiser, O., Fox, M.P., Wood, R., Prozesky, H., and Giddy, J. 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