1
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Raïch-Regué D, Resa-Infante P, Gallemí M, Laguia F, Muñiz-Trabudua X, Muñoz-Basagoiti J, Perez-Zsolt D, Chojnacki J, Benet S, Clotet B, Martinez-Picado J, Izquierdo-Useros N. Role of Siglecs in viral infections: A double-edged sword interaction. Mol Aspects Med 2023; 90:101113. [PMID: 35981912 PMCID: PMC9923124 DOI: 10.1016/j.mam.2022.101113] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Revised: 07/25/2022] [Accepted: 08/01/2022] [Indexed: 01/21/2023]
Abstract
Sialic-acid-binding immunoglobulin-like lectins are cell surface immune receptors known as Siglecs that play a paramount role as modulators of immunity. In recent years, research has underscored how the underlaying biology of this family of receptors influences the outcome of viral infections. While Siglecs are needed to promote effective antiviral immune responses, they can also pave the way to viral dissemination within tissues. Here, we review how recent preclinical findings focusing on the interplay between Siglecs and viruses may translate into promising broad-spectrum therapeutic interventions or key biomarkers to monitor the course of viral infections.
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Affiliation(s)
- Dàlia Raïch-Regué
- IrsiCaixa AIDS Research Institute, Hospital Germans Trias i Pujol, 08916, Badalona, Spain
| | - Patricia Resa-Infante
- IrsiCaixa AIDS Research Institute, Hospital Germans Trias i Pujol, 08916, Badalona, Spain; University of Vic-Central University of Catalonia (UVic-UCC), 08500, Vic, Spain
| | - Marçal Gallemí
- IrsiCaixa AIDS Research Institute, Hospital Germans Trias i Pujol, 08916, Badalona, Spain
| | - Fernando Laguia
- IrsiCaixa AIDS Research Institute, Hospital Germans Trias i Pujol, 08916, Badalona, Spain
| | - Xabier Muñiz-Trabudua
- IrsiCaixa AIDS Research Institute, Hospital Germans Trias i Pujol, 08916, Badalona, Spain
| | | | - Daniel Perez-Zsolt
- IrsiCaixa AIDS Research Institute, Hospital Germans Trias i Pujol, 08916, Badalona, Spain
| | - Jakub Chojnacki
- IrsiCaixa AIDS Research Institute, Hospital Germans Trias i Pujol, 08916, Badalona, Spain; Germans Trias i Pujol Research Institute (IGTP), Can Ruti Campus, 08916, Badalona, Spain
| | - Susana Benet
- Fundació lluita contra la SIDA, Infectious Diseases Department, Hospital Germans Trias i Pujol, 08916, Badalona, Spain
| | - Bonaventura Clotet
- IrsiCaixa AIDS Research Institute, Hospital Germans Trias i Pujol, 08916, Badalona, Spain; University of Vic-Central University of Catalonia (UVic-UCC), 08500, Vic, Spain; Germans Trias i Pujol Research Institute (IGTP), Can Ruti Campus, 08916, Badalona, Spain; Fundació lluita contra la SIDA, Infectious Diseases Department, Hospital Germans Trias i Pujol, 08916, Badalona, Spain; Consorcio Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, 28029, Madrid, Spain
| | - Javier Martinez-Picado
- IrsiCaixa AIDS Research Institute, Hospital Germans Trias i Pujol, 08916, Badalona, Spain; University of Vic-Central University of Catalonia (UVic-UCC), 08500, Vic, Spain; Germans Trias i Pujol Research Institute (IGTP), Can Ruti Campus, 08916, Badalona, Spain; Consorcio Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, 28029, Madrid, Spain; Catalan Institution for Research and Advanced Studies (ICREA), 08010, Barcelona, Spain
| | - Nuria Izquierdo-Useros
- IrsiCaixa AIDS Research Institute, Hospital Germans Trias i Pujol, 08916, Badalona, Spain; Germans Trias i Pujol Research Institute (IGTP), Can Ruti Campus, 08916, Badalona, Spain; Consorcio Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, 28029, Madrid, Spain.
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2
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Teer E, Joseph DE, Glashoff RH, Faadiel Essop M. Monocyte/Macrophage-Mediated Innate Immunity in HIV-1 Infection: From Early Response to Late Dysregulation and Links to Cardiovascular Diseases Onset. Virol Sin 2021; 36:565-576. [PMID: 33400091 DOI: 10.1007/s12250-020-00332-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 10/26/2020] [Indexed: 12/11/2022] Open
Abstract
Although monocytes and macrophages are key mediators of the innate immune system, the focus has largely been on the role of the adaptive immune system in the context of human immunodeficiency virus (HIV) infection. Thus more attention and research work regarding the innate immune system-especially the role of monocytes and macrophages during early HIV-1 infection-is required. Blood monocytes and tissue macrophages are both susceptible targets of HIV-1 infection, and the early host response can determine whether the nature of the infection becomes pathogenic or not. For example, monocytes and macrophages can contribute to the HIV reservoir and viral persistence, and influence the initiation/extension of immune activation and chronic inflammation. Here the expansion of monocyte subsets (classical, intermediate and non-classical) provide an increased understanding of the crucial role they play in terms of chronic inflammation and also by increasing the risk of coagulation during HIV-1 infection. This review discusses the role of monocytes and macrophages during HIV-1 pathogenesis, starting from the early response to late dysregulation that occurs as a result of persistent immune activation and chronic inflammation. Such changes are also linked to downstream targets such as increased coagulation and the onset of cardiovascular diseases.
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Affiliation(s)
- Eman Teer
- Centre for Cardio-metabolic Research in Africa (CARMA), Department of Physiological Sciences, Stellenbosch University, Stellenbosch, 7600, South Africa
| | - Danzil E Joseph
- Centre for Cardio-metabolic Research in Africa (CARMA), Department of Physiological Sciences, Stellenbosch University, Stellenbosch, 7600, South Africa
| | - Richard H Glashoff
- Division of Medical Microbiology & Immunology, Department of Pathology, Stellenbosch University and NHLS, Cape Town, 7505, South Africa
| | - M Faadiel Essop
- Centre for Cardio-metabolic Research in Africa (CARMA), Department of Physiological Sciences, Stellenbosch University, Stellenbosch, 7600, South Africa.
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3
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Dupont M, Souriant S, Balboa L, Vu Manh TP, Pingris K, Rousset S, Cougoule C, Rombouts Y, Poincloux R, Ben Neji M, Allers C, Kaushal D, Kuroda MJ, Benet S, Martinez-Picado J, Izquierdo-Useros N, Sasiain MDC, Maridonneau-Parini I, Neyrolles O, Vérollet C, Lugo-Villarino G. Tuberculosis-associated IFN-I induces Siglec-1 on tunneling nanotubes and favors HIV-1 spread in macrophages. eLife 2020; 9:52535. [PMID: 32223897 PMCID: PMC7173963 DOI: 10.7554/elife.52535] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Accepted: 03/30/2020] [Indexed: 12/20/2022] Open
Abstract
While tuberculosis (TB) is a risk factor in HIV-1-infected individuals, the mechanisms by which Mycobacterium tuberculosis (Mtb) worsens HIV-1 pathogenesis remain scarce. We showed that HIV-1 infection is exacerbated in macrophages exposed to TB-associated microenvironments due to tunneling nanotube (TNT) formation. To identify molecular factors associated with TNT function, we performed a transcriptomic analysis in these macrophages, and revealed the up-regulation of Siglec-1 receptor. Siglec-1 expression depends on Mtb-induced production of type I interferon (IFN-I). In co-infected non-human primates, Siglec-1 is highly expressed by alveolar macrophages, whose abundance correlates with pathology and activation of IFN-I/STAT1 pathway. Siglec-1 localizes mainly on microtubule-containing TNT that are long and carry HIV-1 cargo. Siglec-1 depletion decreases TNT length, diminishes HIV-1 capture and cell-to-cell transfer, and abrogates the exacerbation of HIV-1 infection induced by Mtb. Altogether, we uncover a deleterious role for Siglec-1 in TB-HIV-1 co-infection and open new avenues to understand TNT biology.
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Affiliation(s)
- Maeva Dupont
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International associated laboratory (LIA) CNRS 'IM-TB/HIV', Toulouse, France
| | - Shanti Souriant
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International associated laboratory (LIA) CNRS 'IM-TB/HIV', Toulouse, France
| | - Luciana Balboa
- International associated laboratory (LIA) CNRS 'IM-TB/HIV', Toulouse, France.,Institute of Experimental Medicine-CONICET, National Academy of Medicine, Buenos Aires, Argentina
| | | | - Karine Pingris
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Stella Rousset
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Céline Cougoule
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International associated laboratory (LIA) CNRS 'IM-TB/HIV', Toulouse, France
| | - Yoann Rombouts
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Renaud Poincloux
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Myriam Ben Neji
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Carolina Allers
- Tulane National Primate Research Center, Department of Microbiology and Immunology, School of Medicine, Tulane University, Covington, United States
| | - Deepak Kaushal
- Tulane National Primate Research Center, Department of Microbiology and Immunology, School of Medicine, Tulane University, Covington, United States
| | - Marcelo J Kuroda
- Tulane National Primate Research Center, Department of Microbiology and Immunology, School of Medicine, Tulane University, Covington, United States
| | - Susana Benet
- IrsiCaixa AIDS Research Institute, Department of Retrovirology, Badalona, Spain.,Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Javier Martinez-Picado
- IrsiCaixa AIDS Research Institute, Department of Retrovirology, Badalona, Spain.,University of Vic-Central University of Catalonia (UVic-UCC), Vic, Spain.,Catalan Institution for Research and Advanced Studies (ICREA), Barcelona, Spain
| | - Nuria Izquierdo-Useros
- IrsiCaixa AIDS Research Institute, Department of Retrovirology, Badalona, Spain.,Institut d'Investigació en Ciències de la Salut Germans Trias i Pujol, Badalona, Spain
| | - Maria Del Carmen Sasiain
- International associated laboratory (LIA) CNRS 'IM-TB/HIV', Toulouse, France.,Institute of Experimental Medicine-CONICET, National Academy of Medicine, Buenos Aires, Argentina
| | - Isabelle Maridonneau-Parini
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International associated laboratory (LIA) CNRS 'IM-TB/HIV', Toulouse, France
| | - Olivier Neyrolles
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International associated laboratory (LIA) CNRS 'IM-TB/HIV', Toulouse, France
| | - Christel Vérollet
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International associated laboratory (LIA) CNRS 'IM-TB/HIV', Toulouse, France
| | - Geanncarlo Lugo-Villarino
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International associated laboratory (LIA) CNRS 'IM-TB/HIV', Toulouse, France
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4
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Interferon-Inducible CD169/Siglec1 Attenuates Anti-HIV-1 Effects of Alpha Interferon. J Virol 2017; 91:JVI.00972-17. [PMID: 28794041 DOI: 10.1128/jvi.00972-17] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2017] [Accepted: 08/08/2017] [Indexed: 02/07/2023] Open
Abstract
A hallmark of human immunodeficiency virus type 1 (HIV-1) infection in vivo is chronic immune activation concomitant with type I interferon (IFN) production. Although type I IFN induces an antiviral state in many cell types, HIV-1 can replicate in vivo via mechanisms that have remained unclear. We have recently identified a type I IFN-inducible protein, CD169, as the HIV-1 attachment factor on dendritic cells (DCs) that can mediate robust infection of CD4+ T cells in trans Since CD169 expression on macrophages is also induced by type I IFN, we hypothesized that type I IFN-inducible CD169 could facilitate productive HIV-1 infection in myeloid cells in cis and CD4+ T cells in trans and thus offset antiviral effects of type I IFN. In support of this hypothesis, infection of HIV-1 or murine leukemia virus Env (MLV-Env)-pseudotyped HIV-1 particles was enhanced in IFN-α-treated THP-1 monocytoid cells, and this enhancement was primarily dependent on CD169-mediated enhancement at the virus entry step, a phenomenon phenocopied in HIV-1 infections of IFN-α-treated primary monocyte-derived macrophages (MDMs). Furthermore, expression of CD169, a marker of type I IFN-induced immune activation in vivo, was enhanced in lymph nodes from pigtailed macaques infected with simian immunodeficiency virus (SIV) carrying HIV-1 reverse transcriptase (RT-SHIV), compared to uninfected macaques, and interestingly, there was extensive colocalization of p27gag and CD169, suggesting productive infection of CD169+ myeloid cells in vivo While cell-free HIV-1 infection of IFN-α-treated CD4+ T cells was robustly decreased, initiation of infection in trans via coculture with CD169+ IFN-α-treated DCs restored infection, suggesting that HIV-1 exploits CD169 in cis and in trans to attenuate a type I IFN-induced antiviral state.IMPORTANCE HIV-1 infection in humans causes immune activation characterized by elevated levels of proinflammatory cytokines, including type I interferons (IFN). Although type I IFN induces an antiviral state in many cell types in vitro, HIV-1 can replicate in vivo via mechanisms that have remained unclear. In this study, we tested the hypothesis that CD169, a type I IFN-inducible HIV-1 attachment factor, offsets antiviral effects of type I IFN. Infection of HIV-1 was rescued in IFN-α-treated myeloid cells via upregulation of CD169 and a subsequent increase in CD169-dependent virus entry. Furthermore, extensive colocalization of viral Gag and CD169 was observed in lymph nodes of infected pigtailed macaques, suggesting productive infection of CD169+ cells in vivo Treatment of dendritic cell (DC)-T cell cocultures with IFN-α upregulated CD169 expression on DCs and rescued HIV-1 infection of CD4+ T cells in trans, suggesting that HIV-1 exploits CD169 to attenuate type I IFN-induced restrictions.
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5
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Jobe O, Kim J, Rao M. The role of Siglec-1 in HIV-1/macrophage interaction. MACROPHAGE 2016; 3:e1435. [PMID: 28286869 PMCID: PMC5341613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Although CD4 T-cells are a major target for HIV, recent work has demonstrated the ability of macrophages despite expressing relatively low levels of CD4, to be a target of the virus. Our recent study has found that the presence of growth factors not only play a role in the phenotype of these monocyte-derived-macrophages, but also are an important aspect of the permissiveness of these cells to infection. The work utilized cellular and biophysical methods to examine Siglec-1 on macrophages as a primary receptor in HIV-1 infection. These findings support the notion that Siglec-1 and macrophages and their interactions with the HIV-1 envelope should be considered in HIV-1 vaccine development.
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Affiliation(s)
- Ousman Jobe
- Henry M. Jackson Foundation for the Advancement of Military Medicine, U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, 20910, USA
- Laboratory of Adjuvant and Antigen Research, U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, 20910, USA
| | - Jiae Kim
- Henry M. Jackson Foundation for the Advancement of Military Medicine, U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, 20910, USA
- Laboratory of Adjuvant and Antigen Research, U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, 20910, USA
| | - Mangala Rao
- Laboratory of Adjuvant and Antigen Research, U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, 20910, USA
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6
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Aravantinou M, Frank I, Hallor M, Singer R, Tharinger H, Kenney J, Gettie A, Grasperge B, Blanchard J, Salazar A, Piatak M, Lifson JD, Robbiani M, Derby N. PolyICLC Exerts Pro- and Anti-HIV Effects on the DC-T Cell Milieu In Vitro and In Vivo. PLoS One 2016; 11:e0161730. [PMID: 27603520 PMCID: PMC5014349 DOI: 10.1371/journal.pone.0161730] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2016] [Accepted: 07/14/2016] [Indexed: 12/24/2022] Open
Abstract
Myeloid dendritic cells (mDCs) contribute to both HIV pathogenesis and elicitation of antiviral immunity. Understanding how mDC responses to stimuli shape HIV infection outcomes will inform HIV prevention and treatment strategies. The long double-stranded RNA (dsRNA) viral mimic, polyinosinic polycytidylic acid (polyIC, PIC) potently stimulates DCs to focus Th1 responses, triggers direct antiviral activity in vitro, and boosts anti-HIV responses in vivo. Stabilized polyICLC (PICLC) is being developed for vaccine adjuvant applications in humans, making it critical to understand how mDC sensing of PICLC influences HIV infection. Using the monocyte-derived DC (moDC) model, we sought to describe how PICLC (vs. other dsRNAs) impacts HIV infection within DCs and DC-T cell mixtures. We extended this work to in vivo macaque rectal transmission studies by administering PICLC with or before rectal SIVmac239 (SIVwt) or SIVmac239ΔNef (SIVΔNef) challenge. Like PIC, PICLC activated DCs and T cells, increased expression of α4β7 and CD169, and induced type I IFN responses in vitro. The type of dsRNA and timing of dsRNA exposure differentially impacted in vitro DC-driven HIV infection. Rectal PICLC treatment similarly induced DC and T cell activation and pro- and anti-HIV factors locally and systemically. Importantly, this did not enhance SIV transmission in vivo. Instead, SIV acquisition was marginally reduced after a single high dose challenge. Interestingly, in the PICLC-treated, SIVΔNef-infected animals, SIVΔNef viremia was higher, in line with the importance of DC and T cell activation in SIVΔNef replication. In the right combination anti-HIV strategy, PICLC has the potential to limit HIV infection and boost HIV immunity.
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Affiliation(s)
- Meropi Aravantinou
- Center for Biomedical Research, Population Council, New York, NY, United States of America
| | - Ines Frank
- Center for Biomedical Research, Population Council, New York, NY, United States of America
| | - Magnus Hallor
- Center for Biomedical Research, Population Council, New York, NY, United States of America
- Linköping University, Linköping, Sweden
| | - Rachel Singer
- Center for Biomedical Research, Population Council, New York, NY, United States of America
| | - Hugo Tharinger
- Center for Biomedical Research, Population Council, New York, NY, United States of America
| | - Jessica Kenney
- Center for Biomedical Research, Population Council, New York, NY, United States of America
| | - Agegnehu Gettie
- Aaron Diamond AIDS Research Center, Rockefeller University, New York, NY, United States of America
| | - Brooke Grasperge
- Tulane National Primate Research Center, Tulane University Health Sciences Center, Covington, LA, United States of America
| | - James Blanchard
- Tulane National Primate Research Center, Tulane University Health Sciences Center, Covington, LA, United States of America
| | | | - Michael Piatak
- AIDS and Cancer Virus Program, Leidos Biomedical Research, Inc., Frederick National Laboratory, Frederick, MD, United States of America
| | - Jeffrey D. Lifson
- AIDS and Cancer Virus Program, Leidos Biomedical Research, Inc., Frederick National Laboratory, Frederick, MD, United States of America
| | - Melissa Robbiani
- Center for Biomedical Research, Population Council, New York, NY, United States of America
| | - Nina Derby
- Center for Biomedical Research, Population Council, New York, NY, United States of America
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7
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Favier B. Regulation of neutrophil functions through inhibitory receptors: an emerging paradigm in health and disease. Immunol Rev 2016; 273:140-55. [DOI: 10.1111/imr.12457] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Benoit Favier
- CEA, DRF, IMETI, IMVA, UMR 1184, INSERM; Université Paris-Sud; IDMIT Infrastructure; Fontenay-aux-Roses France
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8
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Kijewski SDG, Akiyama H, Feizpour A, Miller CM, Ramirez NGP, Reinhard BM, Gummuluru S. Access of HIV-2 to CD169-dependent dendritic cell-mediated trans infection pathway is attenuated. Virology 2016; 497:328-336. [PMID: 27521724 DOI: 10.1016/j.virol.2016.07.029] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2015] [Revised: 07/27/2016] [Accepted: 07/28/2016] [Indexed: 10/21/2022]
Abstract
The mechanisms behind the low viral loads and lower mortality rates of HIV-2(+) individuals remain unknown. We hypothesized that reduced interaction of HIV-2 with CD169, the primary HIV-1 attachment factor on monocyte-derived dendritic cells (DCs) that targets captured virus particles to the trans infection pathway, contributes to its diminished pathogenic phenotype in vivo. We observed a significant decrease in capture of HIV-2 Gag-eGFP virus-like particles (VLPs) and infectious GFP-containing HIV-2 particles compared to corresponding HIV-1 particles by CD169(+) mature DCs. Interestingly, there was decreased co-localization of HIV-2 with HIV-1 Gag at plasma membrane microdomains in virus producer cells which correlated with reduced incorporation of GM3, the CD169 ligand, in HIV-2 virions, and reduction in mature DC-mediated HIV-2 trans infection compared to HIV-1. We conclude that limited interaction of HIV-2 with CD169 diminishes virus access to the mature DC-mediated trans infection pathway and might result in attenuated HIV-2 dissemination in vivo.
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Affiliation(s)
- Suzanne D G Kijewski
- Department of Microbiology, Boston University School of Medicine, Boston, MA 02118, USA.
| | - Hisashi Akiyama
- Department of Microbiology, Boston University School of Medicine, Boston, MA 02118, USA.
| | - Amin Feizpour
- Department of Chemistry and The Photonics Center, Boston University, Boston, MA 02215, USA.
| | - Caitlin M Miller
- Department of Pathology, Boston University School of Medicine, Boston, MA 02118, USA.
| | | | - Björn M Reinhard
- Department of Chemistry and The Photonics Center, Boston University, Boston, MA 02215, USA.
| | - Suryaram Gummuluru
- Department of Microbiology, Boston University School of Medicine, Boston, MA 02118, USA.
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9
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Byrareddy SN, Little D, Mayne AE, Villinger F, Ansari AA. Phenotypic and Functional Characterization of Monoclonal Antibodies with Specificity for Rhesus Macaque CD200, CD200R and Mincle. PLoS One 2015; 10:e0140689. [PMID: 26468886 PMCID: PMC4607400 DOI: 10.1371/journal.pone.0140689] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2015] [Accepted: 09/28/2015] [Indexed: 12/28/2022] Open
Abstract
Lectin-like molecules and their receptors are cell surface molecules that have been shown to play a role in either facilitating infection or serving as transporters of HIV/SIV in vivo. The role of these lectin-like molecules in the pathogenesis of HIV/SIV infection continues to be defined. In efforts to gain further insight on the potential role of these lectin-like molecules, our laboratory generated monoclonal antibodies (mAb) against the human analogs of rhesus macaque CD200, CD200R and Mincle, since the rhesus macaques are accepted as the most reliable animal model to study human HIV infection. The characterization of the cell lineages from the blood and various tissues of rhesus macaques that express these lectin-like molecules are described herein. Among the mononuclear cells, the cells of the myeloid lineage of rhesus macaques are the predominant cell lineages that express readily detectable levels of CD200, CD200R and Mincle that is similar to the expression of Siglec-1 and Siglec-3 reported by our laboratory earlier. Subset analysis revealed that a higher frequency of the CD14+/CD16- subset from normal rhesus macaques express CD200, CD200R and Mincle. Differences in the frequencies and density of expression of these molecules by the gated population of CD14+ cells from various tissues are noted with PBMC and bone marrow expressing the highest and the mononuclear cells isolated from the colon and ileum expressing the lowest levels. While a significant frequency of pDCs and mDCs express Siglec-1/Siglec-3, a much lower frequency expresses CD200, CD200R and Mincle in PBMCs from rhesus macaques. The mAb against CD200 and CD200R but not Mincle appear to inhibit the infection of macrophage tropic SIV/SHIV in vitro. We conclude that these mAbs may have potential to be used as adjunctive therapeutic agents to control/inhibit SIV/HIV infection.
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MESH Headings
- Animals
- Antibodies, Monoclonal/immunology
- Antibodies, Monoclonal/metabolism
- Antibody Specificity
- Antigens, CD/immunology
- Antigens, CD/metabolism
- Cells, Cultured
- Humans
- Lectins, C-Type/immunology
- Lectins, C-Type/metabolism
- Leukocytes, Mononuclear/metabolism
- Leukocytes, Mononuclear/virology
- Macaca mulatta/immunology
- Macaca mulatta/metabolism
- Macrophages/metabolism
- Macrophages/virology
- Phenotype
- Receptors, Cell Surface/immunology
- Receptors, Cell Surface/metabolism
- Simian Acquired Immunodeficiency Syndrome/immunology
- Simian Immunodeficiency Virus/immunology
- U937 Cells
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Affiliation(s)
- Siddappa N. Byrareddy
- Department of Pathology & Laboratory Medicine, Emory University School of Medicine, Atlanta, Georgia, United States of America
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, Nebraska, United States of America
| | - Dawn Little
- Department of Pathology & Laboratory Medicine, Emory University School of Medicine, Atlanta, Georgia, United States of America
| | - Ann E. Mayne
- Department of Pathology & Laboratory Medicine, Emory University School of Medicine, Atlanta, Georgia, United States of America
| | - Francois Villinger
- Department of Pathology & Laboratory Medicine, Emory University School of Medicine, Atlanta, Georgia, United States of America
- Department of Microbiology & Immunology, The Yerkes National Primate Research Center, Emory University, Atlanta, Georgia, United States of America
| | - Aftab A. Ansari
- Department of Pathology & Laboratory Medicine, Emory University School of Medicine, Atlanta, Georgia, United States of America
- * E-mail:
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10
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Kim WK, McGary CM, Holder GE, Filipowicz AR, Kim MM, Beydoun HA, Cai Y, Liu X, Sugimoto C, Kuroda MJ. Increased Expression of CD169 on Blood Monocytes and Its Regulation by Virus and CD8 T Cells in Macaque Models of HIV Infection and AIDS. AIDS Res Hum Retroviruses 2015; 31:696-706. [PMID: 25891017 DOI: 10.1089/aid.2015.0003] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Increased expression of CD169 on monocytes has been reported in HIV-1-infected humans. Using rhesus macaque models of HIV infection, we sought to investigate whether simian immunodeficiency virus (SIV) infection upregulates CD169 expression on monocytes/macrophages. We also sought to determine whether CD8 T cells and plasma viral load directly impact the expression of CD169 on monocytes during SIV infection. We longitudinally assessed monocyte expression of CD169 during the course of SIV infection by flow cytometry, and examined the expression of CD169 on macrophages by immunohistochemistry in the spleen and lymph nodes of uninfected and infected macaques. CD169 expression on monocytes was substantially upregulated as early as 4 days during the hyperacute phase and peaked by 5-15 days after infection. After a transient decrease following the peak, its expression continued to increase during progression to AIDS. Monocyte CD169 expression was directly associated with plasma viral loads. To determine the contribution of CD8(+) T lymphocytes and virus to the control of monocyte CD169 expression, we used experimental CD8(+) lymphocyte depletion and antiretroviral therapy (ART) in SIV-infected macaques. Rapid depletion of CD8 T cells during acute infection of rhesus macaques induced an abrupt increase in CD169 expression. Importantly, levels of CD169 expression plummeted following initiation of ART and rebounded upon cessation of therapy. Taken together, our data reveal independent roles for virus and CD8(+) T lymphocytes in controlling monocyte CD169 expression, which may be an important link in further investigating the host response to viral infection.
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Affiliation(s)
- Woong-Ki Kim
- Department of Microbiology and Molecular Cell Biology, Eastern Virginia Medical School, Norfolk, Virginia
| | - Christopher M. McGary
- Department of Microbiology and Molecular Cell Biology, Eastern Virginia Medical School, Norfolk, Virginia
| | - Gerard E. Holder
- Department of Microbiology and Molecular Cell Biology, Eastern Virginia Medical School, Norfolk, Virginia
| | - Adam R. Filipowicz
- Department of Microbiology and Molecular Cell Biology, Eastern Virginia Medical School, Norfolk, Virginia
| | - Michael M. Kim
- Department of Microbiology and Molecular Cell Biology, Eastern Virginia Medical School, Norfolk, Virginia
| | - Hind A. Beydoun
- Graduate Program in Public Health, Eastern Virginia Medical School, Norfolk, Virginia
| | - Yanhui Cai
- Division of Immunology, Tulane National Primate Research Center, Covington, Louisiana
| | - Xianhong Liu
- Division of Comparative Pathology, Tulane National Primate Research Center, Covington, Louisiana
| | - Chie Sugimoto
- Division of Immunology, Tulane National Primate Research Center, Covington, Louisiana
| | - Marcelo J. Kuroda
- Division of Immunology, Tulane National Primate Research Center, Covington, Louisiana
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Pulliam L. Cognitive consequences of a sustained monocyte type 1 IFN response in HIV-1 infection. Curr HIV Res 2015; 12:77-84. [PMID: 24862334 DOI: 10.2174/1570162x12666140526113544] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2013] [Revised: 11/18/2013] [Accepted: 11/18/2013] [Indexed: 12/16/2022]
Abstract
With successful antiretroviral therapy, HIV-1-infected subjects can achieve undetectable peripheral viral loads and immune homeostasis. However, in a subset of individuals on therapy, peripheral monocytes have a gene expression profile characteristic of a type 1 interferon α (IFN) response. This type 1 IFN response correlates with a number of pathogenic conditions including neural cell injury and in combination with HCV infection, cognitive impairment. Lessons from the non-human primate models of pathogenic and nonpathogenic SIV suggest that returning the initial IFN spike in acute SIV infection to normal allows the immune system to control infection and return to homeostasis. An IFN "alarm" signature, defined as monocyte activation with overexpression of the type1 IFN genes IFI27 and CD169, would be useful for identifying a subset of subjects with HIV-1 infection that could progress to a number of pathologies associated with immune activation including cognitive dysfunction. This strategy is being actively pursued for autoimmune diseases that are characterized by an IFN signature. Therapies to block the IFN signature are under investigation as a means to reset the immune system and in a subset of HIV-1-infected subjects may be an adjuvant to standard antiviral therapy to return cognitive function.
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Affiliation(s)
- Lynn Pulliam
- Veterans Affairs Medical Center (113A), 4150 Clement St., San Francisco, CA 94121, USA.
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12
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Gummuluru S, Pina Ramirez NG, Akiyama H. CD169-dependent cell-associated HIV-1 transmission: a driver of virus dissemination. J Infect Dis 2015; 210 Suppl 3:S641-7. [PMID: 25414418 DOI: 10.1093/infdis/jiu442] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Sexual transmission of human immunodeficiency virus type 1 (HIV-1) occurs across mucosal surfaces of the genital and gastrointestinal tracts and accounts for the vast majority of newly acquired infections worldwide. In the absence of an effective vaccine, interventional strategies such as microbicides that target viral attachment and entry into mucosa-resident target cells are particularly attractive and might have the greatest impact on reducing the HIV-1 pandemic. Rational development of microbicides would be greatly aided with a better understanding of several key questions of mucosal HIV-1 transmission, including the molecular mechanism(s) of how HIV-1 traverses mucosal barriers, the type of cells that it initially infects to gain a foothold in the naive host, and how it is disseminated from local sites of infection to draining lymph nodes. In this review, we discuss the role of myeloid dendritic cells (DCs) in cell-associated HIV-1 transmission and in facilitating systemic HIV-1 dissemination. We will evaluate the role of CD169 as a DC-associated HIV-1 attachment factor, investigate the molecular mechanisms by which HIV-1 particles are transferred from DCs to CD4(+) T cells across virological synapses, and provide arguments for inclusion of molecules in microbicides that can effectively target HIV-1 attachment to DCs and DC-mediated virus transfer.
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Affiliation(s)
- Suryaram Gummuluru
- Department of Microbiology, Boston University School of Medicine, Massachusetts
| | | | - Hisashi Akiyama
- Department of Microbiology, Boston University School of Medicine, Massachusetts
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13
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Izquierdo-Useros N, Lorizate M, McLaren PJ, Telenti A, Kräusslich HG, Martinez-Picado J. HIV-1 capture and transmission by dendritic cells: the role of viral glycolipids and the cellular receptor Siglec-1. PLoS Pathog 2014; 10:e1004146. [PMID: 25033082 PMCID: PMC4102576 DOI: 10.1371/journal.ppat.1004146] [Citation(s) in RCA: 85] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Dendritic cells (DCs) are essential in order to combat invading viruses and trigger antiviral responses. Paradoxically, in the case of HIV-1, DCs might contribute to viral pathogenesis through trans-infection, a mechanism that promotes viral capture and transmission to target cells, especially after DC maturation. In this review, we highlight recent evidence identifying sialyllactose-containing gangliosides in the viral membrane and the cellular lectin Siglec-1 as critical determinants for HIV-1 capture and storage by mature DCs and for DC-mediated trans-infection of T cells. In contrast, DC-SIGN, long considered to be the main receptor for DC capture of HIV-1, plays a minor role in mature DC-mediated HIV-1 capture and trans-infection.
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Affiliation(s)
- Nuria Izquierdo-Useros
- AIDS Research Institute IrsiCaixa, Institut d'Investigació en Ciències de la Salut Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Spain
- * E-mail: (NIU); (HGK); (JMP)
| | - Maier Lorizate
- Unidad de Biofisica (CSIC-UPV/EHU) and Departamento de Bioquímica, Universidad del Pais Vasco, Bilbao, Spain
| | - Paul J. McLaren
- Institute of Microbiology, University Hospital Center and University of Lausanne, Lausanne, Switzerland
| | - Amalio Telenti
- Institute of Microbiology, University Hospital Center and University of Lausanne, Lausanne, Switzerland
| | - Hans-Georg Kräusslich
- Department of Infectious Diseases, Virology, Universitätsklinikum Heidelberg, Heidelberg, Germany
- * E-mail: (NIU); (HGK); (JMP)
| | - Javier Martinez-Picado
- AIDS Research Institute IrsiCaixa, Institut d'Investigació en Ciències de la Salut Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Spain
- Universitat de Vic–Universitat Central de Catalunya (UVic-UCC), Vic, Spain
- Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain
- * E-mail: (NIU); (HGK); (JMP)
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Virus particle release from glycosphingolipid-enriched microdomains is essential for dendritic cell-mediated capture and transfer of HIV-1 and henipavirus. J Virol 2014; 88:8813-25. [PMID: 24872578 DOI: 10.1128/jvi.00992-14] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
UNLABELLED Human immunodeficiency virus type 1 (HIV-1) exploits dendritic cells (DCs) to promote its transmission to T cells. We recently reported that the capture of HIV-1 by mature dendritic cells (MDCs) is mediated by an interaction between the glycosphingolipid (GSL) GM3 on virus particles and CD169/Siglec-1 on MDCs. Since HIV-1 preferentially buds from GSL-enriched lipid microdomains on the plasma membrane, we hypothesized that the virus assembly and budding site determines the ability of HIV-1 to interact with MDCs. In support of this hypothesis, mutations in the N-terminal basic domain (29/31KE) or deletion of the membrane-targeting domain of the HIV-1 matrix (MA) protein that altered the virus assembly and budding site to CD63(+)/Lamp-1-positive intracellular compartments resulted in lower levels of virion incorporation of GM3 and attenuation of virus capture by MDCs. Furthermore, MDC-mediated capture and transmission of MA mutant viruses to T cells were decreased, suggesting that HIV-1 acquires GSLs via budding from the plasma membrane to access the MDC-dependent trans infection pathway. Interestingly, MDC-mediated capture of Nipah and Hendra virus (recently emerged zoonotic paramyxoviruses) M (matrix) protein-derived virus-like particles that bud from GSL-enriched plasma membrane microdomains was also dependent on interactions between virion-incorporated GSLs and CD169. Moreover, capture and transfer of Nipah virus envelope glycoprotein-pseudotyped lentivirus particles by MDCs were severely attenuated upon depletion of GSLs from virus particles. These results suggest that GSL incorporation into virions is critical for the interaction of diverse enveloped RNA viruses with DCs and that the GSL-CD169 recognition nexus might be a conserved viral mechanism of parasitization of DC functions for systemic virus dissemination. IMPORTANCE Dendritic cells (DCs) can capture HIV-1 particles and transfer captured virus particles to T cells without establishing productive infection in DCs, a mechanism of HIV-1 trans infection. We have recently identified CD169-mediated recognition of GM3, a host-derived glycosphingolipid (GSL) incorporated into the virus particle membrane, as the receptor and ligand for the DC-HIV trans infection pathway. In this study, we have identified the matrix (MA) domain of Gag to be the viral determinant that governs incorporation of GM3 into HIV-1 particles, a previously unappreciated function of the HIV-1 MA. In addition, we demonstrate that the GSL-CD169-dependent trans infection pathway is also utilized as a dissemination mechanism by henipaviruses. GSL incorporation in henipaviruses was also dependent on the viral capsid (M) protein-directed assembly and budding from GSL-enriched lipid microdomains. These findings provide evidence of a conserved mechanism of retrovirus and henipavirus parasitization of cell-to-cell recognition pathways for systemic virus dissemination.
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Ansari AA, Reimann KA, Mayne AE, Takahashi Y, Stephenson ST, Wang R, Wang X, Li J, Price AA, Little DM, Zaidi M, Lyles R, Villinger F. Blocking of α4β7 gut-homing integrin during acute infection leads to decreased plasma and gastrointestinal tissue viral loads in simian immunodeficiency virus-infected rhesus macaques. THE JOURNAL OF IMMUNOLOGY 2010; 186:1044-59. [PMID: 21149598 DOI: 10.4049/jimmunol.1003052] [Citation(s) in RCA: 92] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Intravenous administration of a novel recombinant rhesus mAb against the α4β7 gut-homing integrin (mAb) into rhesus macaques just prior to and during acute SIV infection resulted in significant decrease in plasma and gastrointestinal (GI) tissue viral load and a marked reduction in GI tissue proviral DNA load as compared with control SIV-infected rhesus macaques. This mAb administration was associated with increases in peripheral blood naive and central memory CD4(+) T cells and maintenance of a high frequency of CCR5(+)CD4(+) T cells. Additionally, such mAb administration inhibited the mobilization of NK cells and plasmacytoid dendritic cells characteristically seen in the control animals during acute infection accompanied by the inhibition of the synthesis of MIP-3α by the gut tissues. These data in concert suggest that blocking of GI trafficking CD4(+) T cells and inhibiting the mobilization of cell lineages of the innate immune system may be a powerful new tool to protect GI tissues and modulate acute lentiviral infection.
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Affiliation(s)
- Aftab A Ansari
- Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, GA 30322, USA.
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