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Hogan LE, Vasquez J, Hobbs KS, Hanhauser E, Aguilar-Rodriguez B, Hussien R, Thanh C, Gibson EA, Carvidi AB, Smith LCB, Khan S, Trapecar M, Sanjabi S, Somsouk M, Stoddart CA, Kuritzkes DR, Deeks SG, Henrich TJ. Increased HIV-1 transcriptional activity and infectious burden in peripheral blood and gut-associated CD4+ T cells expressing CD30. PLoS Pathog 2018; 14:e1006856. [PMID: 29470552 PMCID: PMC5823470 DOI: 10.1371/journal.ppat.1006856] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2017] [Accepted: 01/05/2018] [Indexed: 12/11/2022] Open
Abstract
HIV-1-infected cells persist indefinitely despite the use of combination antiretroviral therapy (ART), and novel therapeutic strategies to target and purge residual infected cells in individuals on ART are urgently needed. Here, we demonstrate that CD4+ T cell-associated HIV-1 RNA is often highly enriched in cells expressing CD30, and that cells expressing this marker considerably contribute to the total pool of transcriptionally active CD4+ lymphocytes in individuals on suppressive ART. Using in situ RNA hybridization studies, we show co-localization of CD30 with HIV-1 transcriptional activity in gut-associated lymphoid tissues. We also demonstrate that ex vivo treatment with brentuximab vedotin, an antibody-drug conjugate (ADC) that targets CD30, significantly reduces the total amount of HIV-1 DNA in peripheral blood mononuclear cells obtained from infected, ART-suppressed individuals. Finally, we observed that an HIV-1-infected individual, who received repeated brentuximab vedotin infusions for lymphoma, had no detectable virus in peripheral blood mononuclear cells. Overall, CD30 may be a marker of residual, transcriptionally active HIV-1 infected cells in the setting of suppressive ART. Given that CD30 is only expressed on a small number of total mononuclear cells, it is a potential therapeutic target of persistent HIV-1 infection. Previous studies have shown that higher levels of soluble CD30 are associated with HIV-1 disease progression. Many of these studies, however, were performed prior to the implementation of combination ART, and the relationship between surface CD30 expression, soluble CD30 and HIV-1 infection in ART suppressed individuals, or those with viremic control off ART, is not known. We demonstrate that cell-associated HIV-1 RNA is highly enriched in CD4+ T cells expressing CD30, a member of the tumor necrosis factor receptor superfamily. These findings were observed in several HIV-1 infected donor groups, regardless of whether or not the participants were receiving suppressive ART. Furthermore, we demonstrate that ex vivo treatment with brentuximab vedotin, an antibody-drug conjugate that targets CD30, reduces the total amount of HIV-1 DNA in PBMC obtained from infected individuals. Finally, we show through in situ RNA hybridization studies that CD30 and HIV transcriptional activity co-localize in cells from gut biopsies obtained from HIV-1 infected donors. These data suggest that CD30 may be a marker of residual, transcriptionally active HIV-1 infected cells in the setting of suppressive ART.
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Affiliation(s)
- Louise E. Hogan
- Division of Experimental Medicine, University of California San Francisco, San Francisco, California, United States of America
- * E-mail: (LEH); (TJH)
| | - Joshua Vasquez
- Division of Experimental Medicine, University of California San Francisco, San Francisco, California, United States of America
| | - Kristen S. Hobbs
- Division of Experimental Medicine, University of California San Francisco, San Francisco, California, United States of America
| | - Emily Hanhauser
- Division of Experimental Medicine, University of California San Francisco, San Francisco, California, United States of America
| | - Brandon Aguilar-Rodriguez
- Division of Experimental Medicine, University of California San Francisco, San Francisco, California, United States of America
| | - Rajaa Hussien
- Division of Experimental Medicine, University of California San Francisco, San Francisco, California, United States of America
| | - Cassandra Thanh
- Division of Experimental Medicine, University of California San Francisco, San Francisco, California, United States of America
| | - Erica A. Gibson
- Division of Experimental Medicine, University of California San Francisco, San Francisco, California, United States of America
| | - Alexander B. Carvidi
- Division of Experimental Medicine, University of California San Francisco, San Francisco, California, United States of America
| | - Louis C. B. Smith
- Division of Experimental Medicine, University of California San Francisco, San Francisco, California, United States of America
| | - Shahzada Khan
- Virology and Immunology, Gladstone Institutes, San Francisco, California, United States of America
| | - Martin Trapecar
- Virology and Immunology, Gladstone Institutes, San Francisco, California, United States of America
| | - Shomyseh Sanjabi
- Virology and Immunology, Gladstone Institutes, San Francisco, California, United States of America
- Department of Microbiology and Immunology, University of California San Francisco, San Francisco, California, United States of America
| | - Ma Somsouk
- Division of Gastroenterology, Department of Medicine, University of California San Francisco, San Francisco, California, United States of America
| | - Cheryl A. Stoddart
- Division of Experimental Medicine, University of California San Francisco, San Francisco, California, United States of America
| | - Daniel R. Kuritzkes
- Division of Infectious Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, United States of America
| | - Steven G. Deeks
- Positive Health Program, Department of Medicine, University of California San Francisco, San Francisco, California, United States of America
| | - Timothy J. Henrich
- Division of Experimental Medicine, University of California San Francisco, San Francisco, California, United States of America
- * E-mail: (LEH); (TJH)
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