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Kotliar D, Curtis M, Agnew R, Weinand K, Nathan A, Baglaenko Y, Zhao Y, Sabeti PC, Rao DA, Raychaudhuri S. Reproducible single cell annotation of programs underlying T-cell subsets, activation states, and functions. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.03.592310. [PMID: 38746317 PMCID: PMC11092745 DOI: 10.1101/2024.05.03.592310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
T-cells recognize antigens and induce specialized gene expression programs (GEPs) enabling functions including proliferation, cytotoxicity, and cytokine production. Traditionally, different classes of helper T-cells express mutually exclusive responses - for example, Th1, Th2, and Th17 programs. However, new single-cell RNA sequencing (scRNA-Seq) experiments have revealed a continuum of T-cell states without discrete clusters corresponding to these subsets, implying the need for new analytical frameworks. Here, we advance the characterization of T-cells with T-CellAnnoTator (TCAT), a pipeline that simultaneously quantifies pre-defined GEPs capturing activation states and cellular subsets. From 1,700,000 T-cells from 700 individuals across 38 tissues and five diverse disease contexts, we discover 46 reproducible GEPs reflecting the known core functions of T-cells including proliferation, cytotoxicity, exhaustion, and T helper effector states. We experimentally characterize several novel activation programs and apply TCAT to describe T-cell activation and exhaustion in Covid-19 and cancer, providing insight into T-cell function in these diseases.
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Affiliation(s)
- Dylan Kotliar
- Center for Data Sciences, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
- Division of Rheumatology, Inflammation, and Immunity, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
- Harvard-MIT Division of Health Sciences and Technology, Harvard Medical School, Boston, MA 02115, USA
| | - Michelle Curtis
- Center for Data Sciences, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
- Division of Rheumatology, Inflammation, and Immunity, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Ryan Agnew
- Center for Data Sciences, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
- Division of Rheumatology, Inflammation, and Immunity, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Kathryn Weinand
- Center for Data Sciences, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
- Division of Rheumatology, Inflammation, and Immunity, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
- Department of Biomedical Informatics, Harvard Medical School, Boston, MA 02115, USA
| | - Aparna Nathan
- Center for Data Sciences, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
- Division of Rheumatology, Inflammation, and Immunity, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
- Department of Biomedical Informatics, Harvard Medical School, Boston, MA 02115, USA
| | - Yuriy Baglaenko
- Center for Data Sciences, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
- Center for Autoimmune Genetics and Etiology and Division of Human Genetics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
- Department of Pediatrics, University of Cincinnati, College of Medicine, Cincinnati, OH 45219, USA
| | - Yu Zhao
- Center for Data Sciences, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
- Division of Rheumatology, Inflammation, and Immunity, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Pardis C. Sabeti
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
- Department of Organismic and Evolutionary Biology, FAS Center for Systems Biology, Harvard University, Cambridge, MA 02138, USA
- Howard Hughes Medical Institute, Chevy Chase, MD 20815, USA
| | - Deepak A. Rao
- Division of Rheumatology, Inflammation, and Immunity, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
| | - Soumya Raychaudhuri
- Center for Data Sciences, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
- Division of Rheumatology, Inflammation, and Immunity, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
- Department of Biomedical Informatics, Harvard Medical School, Boston, MA 02115, USA
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Ningoo M, Cruz-Encarnación P, Khilnani C, Heeger PS, Fribourg M. T-cell receptor sequencing reveals selected donor-reactive CD8 + T cell clones resist antithymocyte globulin depletion after kidney transplantation. Am J Transplant 2024; 24:755-764. [PMID: 38141722 PMCID: PMC11070313 DOI: 10.1016/j.ajt.2023.12.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 11/21/2023] [Accepted: 12/19/2023] [Indexed: 12/25/2023]
Abstract
High frequencies of donor-reactive memory T cells in the periphery of transplant candidates prior to transplantation are linked to the development of posttransplant acute rejection episodes and reduced allograft function. Rabbit antithymocyte globulin (rATG) effectively depletes naïve CD4+ and CD8+ T cells for >6 months posttransplant, but rATG's effects on human donor-reactive T cells have not been carefully determined. To address this, we performed T cell receptor β-chain sequencing on peripheral blood mononuclear cells aliquots collected pretransplant and serially posttransplant in 7 kidney transplant recipients who received rATG as induction therapy. We tracked the evolution of the donor-reactive CD4+ and CD8+ T cell repertoires and identified stimulated pretransplant, CTV-(surface dye)-labeled, peripheral blood mononuclear cells from each patient with donor cells or third-party cells. Our analyses showed that while rATG depleted CD4+ T cells in all tested subjects, a subset of donor-reactive CD8+ T cells that were present at high frequencies pretransplant, consistent with expanded memory cells, resisted rATG depletion, underwent posttransplant expansion and were functional. Together, our data support the conclusion that a subset of human memory CD8+ T cells specifically reactive to donor antigens expand in vivo despite induction therapy with rATG and thus have the potential to mediate allograft damage.
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Affiliation(s)
- Mehek Ningoo
- Translational Transplant Research Center, Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA; Immunology Institute Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Pamela Cruz-Encarnación
- Translational Transplant Research Center, Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA; Immunology Institute Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Calla Khilnani
- Translational Transplant Research Center, Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA; Immunology Institute Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Peter S Heeger
- Comprehensive Transplant Center, Cedars-Sinai Medical Center, Los Angeles, California, USA
| | - Miguel Fribourg
- Translational Transplant Research Center, Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA; Immunology Institute Icahn School of Medicine at Mount Sinai, New York, New York, USA.
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Kutzler MA, Cusimano G, Joyner D, Konopka E, Muir R, Barnette P, Guderian M, Del Moral-Sánchez I, Derking R, Bijl T, Snitselaar J, Rotsides P, Woloszczuk K, Bell M, Canziani G, Chaiken I, Hessell A, Bartsch Y, Sanders R, Haddad E. The molecular immune modulator adenosine deaminase-1 enhances HIV specific humoral and cellular responses to a native-like HIV envelope trimer DNA vaccine. RESEARCH SQUARE 2024:rs.3.rs-4139764. [PMID: 38746176 PMCID: PMC11092827 DOI: 10.21203/rs.3.rs-4139764/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
There is currently no prophylactic vaccine available for human immunodeficiency virus (HIV). Research efforts have resulted in improved immunogens that mimic the native envelope (Env) glycoprotein structure. Recently, a novel triple tandem trimer (TTT) platform has been used to generate a plasmid encoding Env immunogen (pBG505-TTT) that expresses only as trimers, making it more suitable for nucleic acid vaccines. We have previously demonstrated that adenosine deaminase-1 (ADA-1) is critical to the T follicular helper (TFH) function and improves vaccine immune responses in vivo. In this study, we demonstrate that co-delivery of plasmid-encoded adenosine deaminase 1 (pADA) with pBG505-TTT enhances the magnitude, durability, isotype switching and functionality of HIV-specific antibodies in a dose-sparing manner. Co-delivery of the molecular immune modulator ADA-1 also enhances HIV-specific T cell polyfunctionality, activation, and degranulation as well as memory B cell responses. These data demonstrate that pADA enhances HIV-specific cellular and humoral immunity, making ADA-1 a promising immune modulator for HIV-targeting vaccines.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Tom Bijl
- Amsterdam University Medical Center
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Pollock KM, Borges ÁH, Cheeseman HM, Rosenkrands I, Schmidt KL, Søndergaard RE, Day S, Evans A, McFarlane LR, Joypooranachandran J, Amini F, Skallerup P, Dohn RB, Jensen CG, Olsen AW, Bang P, Cole T, Schronce J, Lemm NM, Kristiansen MP, Andersen PL, Dietrich J, Shattock RJ, Follmann F. An investigation of trachoma vaccine regimens by the chlamydia vaccine CTH522 administered with cationic liposomes in healthy adults (CHLM-02): a phase 1, double-blind trial. THE LANCET. INFECTIOUS DISEASES 2024:S1473-3099(24)00147-6. [PMID: 38615673 DOI: 10.1016/s1473-3099(24)00147-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 02/09/2024] [Accepted: 02/22/2024] [Indexed: 04/16/2024]
Abstract
BACKGROUND There is no vaccine against the major global pathogen Chlamydia trachomatis; its different serovars cause trachoma in the eye or chlamydia in the genital tract. We did a clinical trial administering CTH522, a recombinant version of the C trachomatis major outer membrane molecule, in different dose concentrations with and without adjuvant, to establish its safety and immunogenicity when administered intramuscularly, intradermally, and topically into the eye, in prime-boost regimens. METHODS CHLM-02 was a phase 1, double-blind, randomised, placebo-controlled trial at the National Institute for Health Research Imperial Clinical Research Facility, London, UK. Participants were healthy men and non-pregnant women aged 18-45 years, without pre-existing C trachomatis genital infection. Participants were assigned into six groups by the electronic database in a pre-prepared randomisation list (A-F). Participants were randomly assigned (1:1:1:1:1) to each of the groups A-E (12 participants each) and 6 were randomly assigned to group F. Investigators were masked to treatment allocation. Groups A-E received investigational medicinal product and group F received placebo only. Two liposomal adjuvants were compared, CAF01 and CAF09b. The groups were intramuscular 85 μg CTH522-CAF01, or placebo on day 0 and two boosters or placebo at day 28 and 112, and a mucosal recall with either placebo or CTH522 topical ocularly at day 140 (A); intramuscular 85 μg CTH522-CAF01, two boosters at day 28 and 112 with additional topical ocular administration of CTH522, and a mucosal recall with either placebo or CTH522 topical ocularly at day 140 (B); intramuscular 85 μg CTH522-CAF01, two boosters at day 28 and 112 with additional intradermal administration of CTH522, and a mucosal recall with either placebo or CTH522 topical ocularly at day 140 (C); intramuscular 15 μg CTH522-CAF01, two boosters at day 28 and 112, and a mucosal recall with either placebo or CTH522 topical ocularly at day 140 (D); intramuscular 85 μg CTH522-CAF09b, two boosters at day 28 and 112, and a mucosal recall with either placebo or CTH522 topical ocularly at day 140 (E); intramuscular placebo (F). The primary outcome was safety; the secondary outcome (humoral immunogenicity) was the percentage of trial participants achieving anti-CTH522 IgG seroconversion, defined as four-fold and ten-fold increase over baseline concentrations. Analyses were done as intention to treat and as per protocol. The trial is registered with ClinicalTrials.gov, NCT03926728, and is complete. FINDINGS Between Feb 17, 2020 and Feb 22, 2022, of 154 participants screened, 65 were randomly assigned, and 60 completed the trial (34 [52%] of 65 women, 46 [71%] of 65 White, mean age 26·8 years). No serious adverse events occurred but one participant in group A2 discontinued dosing after having self-limiting adverse events after both placebo and investigational medicinal product doses. Study procedures were otherwise well tolerated; the majority of adverse events were mild to moderate, with only seven (1%) of 865 reported as grade 3 (severe). There was 100% four-fold seroconversion rate by day 42 in the active groups (A-E) and no seroconversion in the placebo group. Serum IgG anti-CTH522 titres were higher after 85 μg CTH522-CAF01 than 15 μg, although not significantly (intention-to-treat median IgG titre ratio groups A-C:D=5·6; p=0·062), with no difference after three injections of 85 μg CTH522-CAF01 compared with CTH522-CAF09b (group E). Intradermal CTH522 (group C) induced high titres of serum IgG anti-CTH522 neutralising antibodies against serovars B (trachoma) and D (urogenital). Topical ocular CTH522 (group B) at day 28 and 112 induced higher total ocular IgA compared with baseline (p<0·001). Participants in all active vaccine groups, particularly groups B and E, developed cell mediated immune responses against CTH522. INTERPRETATION CTH522, adjuvanted with CAF01 or CAF09b, is safe and immunogenic, with 85 μg CTH522-CAF01 inducing robust serum IgG binding titres. Intradermal vaccination conferred systemic IgG neutralisation breadth, and topical ocular administration increased ocular IgA formation. These findings indicate CTH522 vaccine regimens against ocular trachoma and urogenital chlamydia for testing in phase 2, clinical trials. FUNDING The EU Horizon Program TRACVAC.
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Affiliation(s)
- Katrina M Pollock
- Department of Infectious Disease, Imperial College London, London, UK
| | - Álvaro H Borges
- Department of Infectious Disease Immunology, Statens Serum Institut, Copenhagen, Denmark
| | | | - Ida Rosenkrands
- Department of Infectious Disease Immunology, Statens Serum Institut, Copenhagen, Denmark
| | - Kirstine L Schmidt
- Department of Vaccine Development, Statens Serum Institut, Copenhagen, Denmark
| | | | - Suzanne Day
- Department of Infectious Disease, Imperial College London, London, UK
| | - Abbey Evans
- Department of Infectious Disease, Imperial College London, London, UK
| | - Leon R McFarlane
- Department of Infectious Disease, Imperial College London, London, UK
| | | | - Fahimah Amini
- Department of Infectious Disease, Imperial College London, London, UK
| | - Per Skallerup
- Department of Vaccine Development, Statens Serum Institut, Copenhagen, Denmark
| | - Rebecca B Dohn
- Department of Vaccine Development, Statens Serum Institut, Copenhagen, Denmark
| | - Charlotte G Jensen
- Department of Vaccine Development, Statens Serum Institut, Copenhagen, Denmark
| | - Anja W Olsen
- Department of Infectious Disease Immunology, Statens Serum Institut, Copenhagen, Denmark
| | - Peter Bang
- Department of Vaccine Development, Statens Serum Institut, Copenhagen, Denmark
| | - Tom Cole
- Department of Infectious Disease, Imperial College London, London, UK
| | - Joanna Schronce
- Department of Infectious Disease, Imperial College London, London, UK
| | - Nana-Marie Lemm
- Department of Infectious Disease, Imperial College London, London, UK
| | - Max P Kristiansen
- Department of Vaccine Development, Statens Serum Institut, Copenhagen, Denmark
| | - Peter L Andersen
- Department of Infectious Disease Immunology, Statens Serum Institut, Copenhagen, Denmark; Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark; Novo Nordisk Foundation, Hellerup, Denmark
| | - Jes Dietrich
- Department of Infectious Disease Immunology, Statens Serum Institut, Copenhagen, Denmark.
| | - Robin J Shattock
- Department of Infectious Disease, Imperial College London, London, UK
| | - Frank Follmann
- Department of Infectious Disease Immunology, Statens Serum Institut, Copenhagen, Denmark
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5
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Li C, Clauson R, Bugada LF, Ke F, He B, Yu Z, Chen H, Jacobovitz B, Hu H, Chuikov P, Hill BD, Rizvi SM, Song Y, Sun K, Axenov P, Huynh D, Wang X, Garmire L, Lei YL, Grigorova I, Wen F, Cascalho M, Gao W, Sun D. Antigen-Clustered Nanovaccine Achieves Long-Term Tumor Remission by Promoting B/CD 4 T Cell Crosstalk. ACS NANO 2024; 18:9584-9604. [PMID: 38513119 PMCID: PMC11130742 DOI: 10.1021/acsnano.3c13038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/23/2024]
Abstract
Current cancer vaccines using T cell epitopes activate antitumor T cell immunity through dendritic cell/macrophage-mediated antigen presentation, but they lack the ability to promote B/CD4 T cell crosstalk, limiting their anticancer efficacy. We developed antigen-clustered nanovaccine (ACNVax) to achieve long-term tumor remission by promoting B/CD4 T cell crosstalk. The topographic features of ACNVax were achieved using an iron nanoparticle core attached with an optimal number of gold nanoparticles, where the clusters of HER2 B/CD4 T cell epitopes were conjugated on the gold surface with an optimal intercluster distance of 5-10 nm. ACNVax effectively trafficked to lymph nodes and cross-linked with BCR, which are essential for stimulating B cell antigen presentation-mediated B/CD4 T cell crosstalk in vitro and in vivo. ACNVax, combined with anti-PD-1, achieved long-term tumor remission (>200 days) with 80% complete response in mice with HER2+ breast cancer. ACNVax not only remodeled the tumor immune microenvironment but also induced a long-term immune memory, as evidenced by complete rejection of tumor rechallenge and a high level of antigen-specific memory B, CD4, and CD8 cells in mice (>200 days). This study provides a cancer vaccine design strategy, using B/CD4 T cell epitopes in an antigen clustered topography, to achieve long-term durable anticancer efficacy through promoting B/CD4 T cell crosstalk.
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Affiliation(s)
- Chengyi Li
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Ryan Clauson
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Luke F Bugada
- Department of Chemical Engineering, College of Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Fang Ke
- Department of Microbiology and Immunology, Medical School, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Bing He
- Department of Computational Medicine & Bioinformatics, Medical School, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Zhixin Yu
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Hongwei Chen
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Binyamin Jacobovitz
- Microscopy Core, Medical School, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Hongxiang Hu
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Polina Chuikov
- Department of Microbiology and Immunology, Medical School, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Brett Dallas Hill
- Department of Chemical Engineering, College of Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Syed M Rizvi
- Department of Chemical Engineering, College of Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Yudong Song
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Kai Sun
- Department of Materials Science and Engineering, College of Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Pasieka Axenov
- Department of Microbiology and Immunology, Medical School, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Daniel Huynh
- Department of Microbiology and Immunology, Medical School, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Xinyi Wang
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Lana Garmire
- Department of Computational Medicine & Bioinformatics, Medical School, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Yu Leo Lei
- Departments of Head and Neck Surgery, Cancer Biology, and Translational Molecular Pathology, the University of Texas M.D. Anderson Cancer Center, Houston, Texas 77054, United States
| | - Irina Grigorova
- Department of Microbiology and Immunology, Medical School, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Fei Wen
- Department of Chemical Engineering, College of Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Marilia Cascalho
- Department of Microbiology and Immunology, Medical School, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Wei Gao
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Duxin Sun
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, Ann Arbor, Michigan 48109, United States
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Halvorson T, Ivison S, Huang Q, Ladua G, Yotis DM, Mannar D, Subramaniam S, Ferreira VH, Kumar D, Belga S, Levings MK. SARS-CoV-2 Variants Omicron BA.4/5 and XBB.1.5 Significantly Escape T Cell Recognition in Solid-organ Transplant Recipients Vaccinated Against the Ancestral Strain. Transplantation 2024; 108:e49-e62. [PMID: 38012843 DOI: 10.1097/tp.0000000000004873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
BACKGROUND Immune-suppressed solid-organ transplant recipients (SOTRs) display impaired humoral responses to COVID-19 vaccination, but T cell responses are incompletely understood. SARS-CoV-2 variants Omicron BA.4/5 (BA.4/5) and XBB.1.5 escape neutralization by antibodies induced by vaccination or infection with earlier strains, but T cell recognition of these lineages in SOTRs is unclear. METHODS We characterized Spike-specific T cell responses to ancestral SARS-CoV-2 and BA.4/5 peptides in 42 kidney, liver, and lung transplant recipients throughout a 3- or 4-dose ancestral Spike mRNA vaccination schedule. As the XBB.1.5 variant emerged during the study, we tested vaccine-induced T cell responses in 10 additional participants using recombinant XBB.1.5 Spike protein. Using an optimized activation-induced marker assay, we quantified circulating Spike-specific CD4 + and CD8 + T cells based on antigen-stimulated expression of CD134, CD69, CD25, CD137, and/or CD107a. RESULTS Vaccination strongly induced SARS-CoV-2-specific T cells, including BA.4/5- and XBB.1.5-reactive T cells, which remained detectable over time and further increased following a fourth dose. However, responses to BA.4/5 (1.34- to 1.67-fold lower) XBB.1.5 (2.0- to 18-fold lower) were significantly reduced in magnitude compared with ancestral strain responses. CD4 + responses correlated with anti-receptor-binding domain antibodies and predicted subsequent antibody responses in seronegative individuals. Lung transplant recipients receiving prednisone and older adults displayed weaker responses. CONCLUSIONS Ancestral strain vaccination stimulates BA.4/5 and XBB.1.5-cross-reactive T cells in SOTRs, but at lower magnitudes. Antigen-specific T cells can predict future antibody responses. Our data support monitoring both humoral and cellular immunity in SOTRs to track COVID-19 vaccine immunogenicity against emerging variants.
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Affiliation(s)
- Torin Halvorson
- Department of Medicine, University of British Columbia, Vancouver, BC, Canada
- Department of Surgery, University of British Columbia, Vancouver, BC, Canada
- BC Children's Hospital Research Institute, Vancouver, BC, Canada
| | - Sabine Ivison
- Department of Surgery, University of British Columbia, Vancouver, BC, Canada
- BC Children's Hospital Research Institute, Vancouver, BC, Canada
| | - Qing Huang
- Department of Surgery, University of British Columbia, Vancouver, BC, Canada
- BC Children's Hospital Research Institute, Vancouver, BC, Canada
| | - Gale Ladua
- Department of Medicine, University of British Columbia, Vancouver, BC, Canada
- Infection and Immunity Research Centre, Vancouver Coastal Health Research Institute, Vancouver, BC, Canada
| | - Demitra M Yotis
- Canadian Donation and Transplantation Research Program, Edmonton, AB, Canada
| | - Dhiraj Mannar
- Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, BC, Canada
| | - Sriram Subramaniam
- Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, BC, Canada
| | - Victor H Ferreira
- Ajmera Transplant Centre, University Health Network, Toronto, ON, Canada
| | - Deepali Kumar
- Ajmera Transplant Centre, University Health Network, Toronto, ON, Canada
| | - Sara Belga
- Department of Medicine, University of British Columbia, Vancouver, BC, Canada
- Infection and Immunity Research Centre, Vancouver Coastal Health Research Institute, Vancouver, BC, Canada
| | - Megan K Levings
- Department of Surgery, University of British Columbia, Vancouver, BC, Canada
- BC Children's Hospital Research Institute, Vancouver, BC, Canada
- School of Biomedical Engineering, University of British Columbia, Vancouver, BC, Canada
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7
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Gail DP, Suzart VG, Carpenter SM. Analyzing human CD4 + T cells activated in response to macrophages infected with Mycobacterium tuberculosis. STAR Protoc 2024; 5:102939. [PMID: 38451821 PMCID: PMC10937946 DOI: 10.1016/j.xpro.2024.102939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 01/24/2024] [Accepted: 02/21/2024] [Indexed: 03/09/2024] Open
Abstract
M1- and M2-like macrophages infected with Mycobacterium tuberculosis (Mtb) have been found to differ in their capacity to elicit memory CD4+ T cell activation. Here, we present a protocol to quantify and isolate the subset of human memory CD4+ T cells activated in response to autologous monocyte-derived macrophages (MDMs) infected with virulent Mtb. We describe steps for CD14+ monocyte isolation, generating MDMs, culturing Mtb and infection of macrophages, and identifying activated CD4+ T cells by flow cytometry. For complete details on the use and execution of this protocol, please refer to Gail et al.1.
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Affiliation(s)
- Daniel P Gail
- Division of Infectious Diseases and HIV Medicine, Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA.
| | - Vinicius G Suzart
- Division of Infectious Diseases and HIV Medicine, Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA; Biomedical Sciences Training Program, Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - Stephen M Carpenter
- Division of Infectious Diseases and HIV Medicine, Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA; Biomedical Sciences Training Program, Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA; University Hospitals Cleveland Medical Center, Cleveland, OH 44106, USA.
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8
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Porcheddu V, Lhomme G, Giraudet R, Correia E, Maillère B. The self-reactive FVIII T cell repertoire in healthy individuals relies on a short set of epitopes and public clonotypes. Front Immunol 2024; 15:1345195. [PMID: 38510258 PMCID: PMC10951066 DOI: 10.3389/fimmu.2024.1345195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 01/31/2024] [Indexed: 03/22/2024] Open
Abstract
Non-mutated FVIII-specific CD4 T cell epitopes have been recently found to contribute to the development of inhibitors in patients with hemophilia A (HA), while auto-reactive CD4 T cells specific to FVIII circulate in the blood of healthy individuals at a frequency close to the foreign protein ovalbumin. Thus, although FVIII is a self-protein, the central tolerance raised against FVIII appears to be low. In this study, we conducted a comprehensive analysis of the FVIII CD4 T cell repertoire in 29 healthy donors. Sequencing of the CDR3β TCR region from isolated FVIII-specific CD4 T cells revealed a limited usage and pairing of TRBV and TRBJ genes as well as a mostly hydrophobic composition of the CDR3β region according to their auto-reactivity. The FVIII repertoire is dominated by a few clonotypes, with only 13 clonotypes accounting for half of the FVIII response. Through a large-scale epitope mapping of the full-length FVIII sequence, we identified 18 immunodominant epitopes located in the A1, A3, C1, and C2 domains and covering half of the T cell response. These epitopes exhibited a broad specificity for HLA-DR or DP molecules or both. T cell priming with this reduced set of peptides revealed that highly expanded clonotypes specific to these epitopes were responsible individually for up to 32% of the total FVIII repertoire. These FVIII T cell epitopes and clonotypes were shared among HLA-unrelated donors tested and previously reported HA patients. Our study highlights the role of the auto-reactive T cell response against FVIII in HA and its similarity to the response observed in healthy individuals. Thus, it provides valuable insights for the development of new tolerance induction and deimmunization strategies.
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Affiliation(s)
- Valeria Porcheddu
- Université de Paris-Saclay, Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Institut national de recherche pour l’agriculture, l’alimentation et l’environnement (INRAE), Département Médicaments et Technologies pour la Santé, Service d’Ingénierie Moléculaire pour la Santé (SIMoS), Gif-sur-Yvette, France
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9
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Gálvez RI, Martínez-Pérez A, Escarrega EA, Singh T, Zambrana JV, Balmaseda Á, Harris E, Weiskopf D. Frequency of Dengue Virus-Specific T Cells is related to Infection Outcome in Endemic Settings. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2024:2024.02.05.24302330. [PMID: 38370822 PMCID: PMC10871461 DOI: 10.1101/2024.02.05.24302330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/20/2024]
Abstract
Dengue is widespread in tropical and subtropical regions globally and leads to a considerable burden of disease. Annually, dengue virus (DENV) causes up to 400 million infections, of which ~25% present with clinical symptoms ranging from mild to fatal. Despite its significance as a growing public health concern, the development of effective DENV vaccines has been highly challenging. One of the reasons is the lack of comprehensive understanding of the influence exerted by prior DENV infections and immune responses with cross-reactive properties. To investigate this, we collected samples from a pediatric cohort study in dengue-endemic Managua, Nicaragua. We characterized T cell responses in a group of 71 healthy children who had previously experienced one or more natural DENV infections and who, within one year after sample collection, had a subsequent DENV infection that was either symptomatic (n=25) or inapparent (n=46, absence of clinical disease). Thus, our study was designed to investigate the impact of pre-existing DENV specific T cell responses on the clinical outcomes of subsequent DENV infection. We assessed the DENV specific T cell responses using an activation-induced marker assay (AIM). Children who had experienced only one prior DENV infection displayed heterogeneous DENV specific CD4+ and CD8+ T cell frequencies. In contrast, children who had experienced two or more DENV infections showed significantly higher frequencies of DENV specific CD4+ and CD8+ T cells that were associated with inapparent as opposed to symptomatic outcomes in the subsequent DENV infection. Taken together, these findings demonstrate the protective role of DENV specific T cells against symptomatic DENV infection and constitute an advancement toward identifying protective immune correlates against dengue fever and clinical disease.
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Affiliation(s)
- Rosa Isela Gálvez
- Center for Vaccine Innovation, La Jolla Institute for Immunology, La Jolla, CA 92037, USA
| | - Amparo Martínez-Pérez
- Center for Vaccine Innovation, La Jolla Institute for Immunology, La Jolla, CA 92037, USA
| | - E. Alexandar Escarrega
- Center for Vaccine Innovation, La Jolla Institute for Immunology, La Jolla, CA 92037, USA
| | - Tulika Singh
- Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, Berkeley, CA 94720-3370, USA
| | - José Víctor Zambrana
- Sustainable Sciences Institute, Managua, Nicaragua
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI 48109-2029, USA
| | - Ángel Balmaseda
- Sustainable Sciences Institute, Managua, Nicaragua
- Laboratorio Nacional de Virología, Centro Nacional de Diagnóstico y Referencia, Ministerio de Salud, Managua, Nicaragua
| | - Eva Harris
- Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, Berkeley, CA 94720-3370, USA
| | - Daniela Weiskopf
- Center for Vaccine Innovation, La Jolla Institute for Immunology, La Jolla, CA 92037, USA
- Division of Infectious Diseases and Global Public Health, School of Medicine, University of California, San Diego, La Jolla, CA 92037, USA
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10
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Lemieux A, Sannier G, Nicolas A, Nayrac M, Delgado GG, Cloutier R, Brassard N, Laporte M, Duchesne M, Sreng Flores AM, Finzi A, Tastet O, Dubé M, Kaufmann DE. Enhanced detection of antigen-specific T cells by a multiplexed AIM assay. CELL REPORTS METHODS 2024; 4:100690. [PMID: 38228152 PMCID: PMC10831934 DOI: 10.1016/j.crmeth.2023.100690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 11/21/2023] [Accepted: 12/18/2023] [Indexed: 01/18/2024]
Abstract
Broadly applicable methods to identify and characterize antigen-specific CD4+ and CD8+ T cells are key to immunology research, including studies of vaccine responses and immunity to infectious diseases. We developed a multiplexed activation-induced marker (AIM) assay that presents several advantages compared to single pairs of AIMs. The simultaneous measurement of four AIMs (CD69, 4-1BB, OX40, and CD40L) creates six AIM pairs that define CD4+ T cell populations with partial and variable overlap. When combined in an AND/OR Boolean gating strategy for analysis, this approach enhances CD4+ T cell detection compared to any single AIM pair, while CD8+ T cells are dominated by CD69/4-1BB co-expression. Supervised and unsupervised clustering analyses show differential expression of the AIMs in defined T helper lineages and that multiplexing mitigates phenotypic biases. Paired and unpaired comparisons of responses to infections (HIV and cytomegalovirus [CMV]) and vaccination (severe acute respiratory syndrome coronavirus 2 [SARS-CoV-2]) validate the robustness and versatility of the method.
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Affiliation(s)
- Audrée Lemieux
- Centre de Recherche du CHUM, Montreal, QC H2X 0A9, Canada; Département de Microbiologie, Infectiologie et Immunologie, Université de Montréal, Montreal, QC H2X 0A9, Canada
| | - Gérémy Sannier
- Centre de Recherche du CHUM, Montreal, QC H2X 0A9, Canada; Département de Microbiologie, Infectiologie et Immunologie, Université de Montréal, Montreal, QC H2X 0A9, Canada
| | - Alexandre Nicolas
- Centre de Recherche du CHUM, Montreal, QC H2X 0A9, Canada; Département de Microbiologie, Infectiologie et Immunologie, Université de Montréal, Montreal, QC H2X 0A9, Canada
| | - Manon Nayrac
- Centre de Recherche du CHUM, Montreal, QC H2X 0A9, Canada; Département de Microbiologie, Infectiologie et Immunologie, Université de Montréal, Montreal, QC H2X 0A9, Canada
| | | | - Rose Cloutier
- Centre de Recherche du CHUM, Montreal, QC H2X 0A9, Canada
| | | | | | | | | | - Andrés Finzi
- Centre de Recherche du CHUM, Montreal, QC H2X 0A9, Canada; Département de Microbiologie, Infectiologie et Immunologie, Université de Montréal, Montreal, QC H2X 0A9, Canada
| | - Olivier Tastet
- Centre de Recherche du CHUM, Montreal, QC H2X 0A9, Canada
| | - Mathieu Dubé
- Centre de Recherche du CHUM, Montreal, QC H2X 0A9, Canada.
| | - Daniel E Kaufmann
- Centre de Recherche du CHUM, Montreal, QC H2X 0A9, Canada; Consortium for HIV/AIDS Vaccine Development (CHAVD), La Jolla, CA, USA; Département de Médecine, Université de Montréal, Montreal, QC H2X 0A9, Canada; Division of Infectious Diseases, Department of Medicine, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland.
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11
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Gainullin M, Federico L, Røkke Osen J, Chaban V, Kared H, Alirezaylavasani A, Lund-Johansen F, Wildendahl G, Jacobsen JA, Sarwar Anjum H, Stratford R, Tennøe S, Malone B, Clancy T, Vaage JT, Henriksen K, Wüsthoff L, Munthe LA. People who use drugs show no increase in pre-existing T-cell cross-reactivity toward SARS-CoV-2 but develop a normal polyfunctional T-cell response after standard mRNA vaccination. Front Immunol 2024; 14:1235210. [PMID: 38299149 PMCID: PMC10827924 DOI: 10.3389/fimmu.2023.1235210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 12/27/2023] [Indexed: 02/02/2024] Open
Abstract
People who use drugs (PWUD) are at a high risk of contracting and developing severe coronavirus disease 2019 (COVID-19) and other infectious diseases due to their lifestyle, comorbidities, and the detrimental effects of opioids on cellular immunity. However, there is limited research on vaccine responses in PWUD, particularly regarding the role that T cells play in the immune response to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Here, we show that before vaccination, PWUD did not exhibit an increased frequency of preexisting cross-reactive T cells to SARS-CoV-2 and that, despite the inhibitory effects that opioids have on T-cell immunity, standard vaccination can elicit robust polyfunctional CD4+ and CD8+ T-cell responses that were similar to those found in controls. Our findings indicate that vaccination stimulates an effective immune response in PWUD and highlight targeted vaccination as an essential public health instrument for the control of COVID-19 and other infectious diseases in this group of high-risk patients.
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Affiliation(s)
- Murat Gainullin
- KG Jebsen Centre for B cell Malignancies, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- NEC OncoImmunity AS, Oslo, Norway
- Department of Immunology, Oslo University Hospital, Oslo, Norway
| | - Lorenzo Federico
- KG Jebsen Centre for B cell Malignancies, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Department of Immunology, Oslo University Hospital, Oslo, Norway
| | - Julie Røkke Osen
- KG Jebsen Centre for B cell Malignancies, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Department of Immunology, Oslo University Hospital, Oslo, Norway
| | - Viktoriia Chaban
- KG Jebsen Centre for B cell Malignancies, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Department of Immunology, Oslo University Hospital, Oslo, Norway
| | - Hassen Kared
- KG Jebsen Centre for B cell Malignancies, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Department of Immunology, Oslo University Hospital, Oslo, Norway
| | - Amin Alirezaylavasani
- KG Jebsen Centre for B cell Malignancies, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Department of Immunology, Oslo University Hospital, Oslo, Norway
| | - Fridtjof Lund-Johansen
- Department of Immunology, Oslo University Hospital, Oslo, Norway
- ImmunoLingo Convergence Center, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | | | | | | | | | | | | | | | - John T. Vaage
- Department of Immunology, Oslo University Hospital, Oslo, Norway
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Kathleen Henriksen
- Agency for Social and Welfare Services, Oslo, Norway
- Student Health Services, University of Oslo, Oslo, Norway
| | - Linda Wüsthoff
- Unit for Clinical Research on Addictions, Oslo University Hospital, Oslo, Norway
- Norwegian Centre for Addiction Reasearch, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Ludvig A. Munthe
- KG Jebsen Centre for B cell Malignancies, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Department of Immunology, Oslo University Hospital, Oslo, Norway
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12
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Saunders KO, Counts J, Thakur B, Stalls V, Edwards R, Manne K, Lu X, Mansouri K, Chen Y, Parks R, Barr M, Sutherland L, Bal J, Havill N, Chen H, Machiele E, Jamieson N, Hora B, Kopp M, Janowska K, Anasti K, Jiang C, Van Itallie E, Venkatayogi S, Eaton A, Henderson R, Barbosa C, Alam SM, Santra S, Weissman D, Moody MA, Cain DW, Tam YK, Lewis M, Williams WB, Wiehe K, Montefiori DC, Acharya P, Haynes BF. Vaccine induction of CD4-mimicking HIV-1 broadly neutralizing antibody precursors in macaques. Cell 2024; 187:79-94.e24. [PMID: 38181743 PMCID: PMC10860651 DOI: 10.1016/j.cell.2023.12.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 09/08/2023] [Accepted: 12/01/2023] [Indexed: 01/07/2024]
Abstract
The CD4-binding site (CD4bs) is a conserved epitope on HIV-1 envelope (Env) that can be targeted by protective broadly neutralizing antibodies (bnAbs). HIV-1 vaccines have not elicited CD4bs bnAbs for many reasons, including the occlusion of CD4bs by glycans, expansion of appropriate naive B cells with immunogens, and selection of functional antibody mutations. Here, we demonstrate that immunization of macaques with a CD4bs-targeting immunogen elicits neutralizing bnAb precursors with structural and genetic features of CD4-mimicking bnAbs. Structures of the CD4bs nAb bound to HIV-1 Env demonstrated binding angles and heavy-chain interactions characteristic of all known human CD4-mimicking bnAbs. Macaque nAb were derived from variable and joining gene segments orthologous to the genes of human VH1-46-class bnAb. This vaccine study initiated in primates the B cells from which CD4bs bnAbs can derive, accomplishing the key first step in the development of an effective HIV-1 vaccine.
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Affiliation(s)
- Kevin O Saunders
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Surgery, Duke University School of Medicine, Durham, NC 27710, USA; Department of Immunology, Duke University School of Medicine, Durham, NC 27710, USA; Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC 27710, USA.
| | - James Counts
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Bhishem Thakur
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Victoria Stalls
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Robert Edwards
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Kartik Manne
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Xiaozhi Lu
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Katayoun Mansouri
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Yue Chen
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Rob Parks
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Maggie Barr
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Laura Sutherland
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Joena Bal
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Nicholas Havill
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Biology, Davidson College, Davidson, NC 28035, USA
| | - Haiyan Chen
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Emily Machiele
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Nolan Jamieson
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Bhavna Hora
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Megan Kopp
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Katarzyna Janowska
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Kara Anasti
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Chuancang Jiang
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Elizabeth Van Itallie
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Sravani Venkatayogi
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Amanda Eaton
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Rory Henderson
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | | | - S Munir Alam
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Sampa Santra
- Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
| | - Drew Weissman
- Department of Microbiology, University of Pennsylvania, Philadelphia, PA 19104, USA; Department of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - M Anthony Moody
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Pediatrics, Duke University School of Medicine, Durham, NC 27710, USA
| | - Derek W Cain
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | | | | | - Wilton B Williams
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Surgery, Duke University School of Medicine, Durham, NC 27710, USA; Department of Immunology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Kevin Wiehe
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - David C Montefiori
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Surgery, Duke University School of Medicine, Durham, NC 27710, USA
| | - Priyamvada Acharya
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Surgery, Duke University School of Medicine, Durham, NC 27710, USA; Department of Biochemistry, Duke University School of Medicine, Durham, NC 27710, USA.
| | - Barton F Haynes
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Immunology, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA.
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13
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Binayke A, Zaheer A, Vishwakarma S, Singh S, Sharma P, Chandwaskar R, Gosain M, Raghavan S, Murugesan DR, Kshetrapal P, Thiruvengadam R, Bhatnagar S, Pandey AK, Garg PK, Awasthi A. A quest for universal anti-SARS-CoV-2 T cell assay: systematic review, meta-analysis, and experimental validation. NPJ Vaccines 2024; 9:3. [PMID: 38167915 PMCID: PMC10762233 DOI: 10.1038/s41541-023-00794-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Accepted: 12/08/2023] [Indexed: 01/05/2024] Open
Abstract
Measuring SARS-CoV-2-specific T cell responses is crucial to understanding an individual's immunity to COVID-19. However, high inter- and intra-assay variability make it difficult to define T cells as a correlate of protection against COVID-19. To address this, we performed systematic review and meta-analysis of 495 datasets from 94 original articles evaluating SARS-CoV-2-specific T cell responses using three assays - Activation Induced Marker (AIM), Intracellular Cytokine Staining (ICS), and Enzyme-Linked Immunospot (ELISPOT), and defined each assay's quantitative range. We validated these ranges using samples from 193 SARS-CoV-2-exposed individuals. Although IFNγ ELISPOT was the preferred assay, our experimental validation suggested that it under-represented the SARS-CoV-2-specific T cell repertoire. Our data indicate that a combination of AIM and ICS or FluoroSpot assay would better represent the frequency, polyfunctionality, and compartmentalization of the antigen-specific T cell responses. Taken together, our results contribute to defining the ranges of antigen-specific T cell assays and propose a choice of assay that can be employed to better understand the cellular immune response against viral diseases.
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Affiliation(s)
- Akshay Binayke
- Immunology Core Laboratory, Translational Health Science and Technology Institute, Faridabad, India
- Centre for Immunobiology and Immunotherapy, Translational Health Science and Technology Institute, Faridabad, India
- Jawaharlal Nehru University, New Delhi, India
| | - Aymaan Zaheer
- Immunology Core Laboratory, Translational Health Science and Technology Institute, Faridabad, India
| | - Siddhesh Vishwakarma
- Immunology Core Laboratory, Translational Health Science and Technology Institute, Faridabad, India
| | - Savita Singh
- Translational Health Science and Technology Institute, Faridabad, India
| | - Priyanka Sharma
- Immunology Core Laboratory, Translational Health Science and Technology Institute, Faridabad, India
| | - Rucha Chandwaskar
- Department of Microbiology, AMITY University Rajasthan, Jaipur, India
| | - Mudita Gosain
- Translational Health Science and Technology Institute, Faridabad, India
| | | | | | | | - Ramachandran Thiruvengadam
- Translational Health Science and Technology Institute, Faridabad, India
- Pondicherry Institute of Medical Sciences, Puducherry, India
| | | | | | - Pramod Kumar Garg
- Translational Health Science and Technology Institute, Faridabad, India
- All India Institute of Medical Sciences, New Delhi, India
| | - Amit Awasthi
- Immunology Core Laboratory, Translational Health Science and Technology Institute, Faridabad, India.
- Centre for Immunobiology and Immunotherapy, Translational Health Science and Technology Institute, Faridabad, India.
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14
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Ford ES, Mayer-Blackwell K, Jing L, Laing KJ, Sholukh AM, St Germain R, Bossard EL, Xie H, Pulliam TH, Jani S, Selke S, Burrow CJ, McClurkan CL, Wald A, Greninger AL, Holbrook MR, Eaton B, Eudy E, Murphy M, Postnikova E, Robins HS, Elyanow R, Gittelman RM, Ecsedi M, Wilcox E, Chapuis AG, Fiore-Gartland A, Koelle DM. Repeated mRNA vaccination sequentially boosts SARS-CoV-2-specific CD8 + T cells in persons with previous COVID-19. Nat Immunol 2024; 25:166-177. [PMID: 38057617 PMCID: PMC10981451 DOI: 10.1038/s41590-023-01692-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Accepted: 10/27/2023] [Indexed: 12/08/2023]
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) hybrid immunity is more protective than vaccination or previous infection alone. To investigate the kinetics of spike-reactive T (TS) cells from SARS-CoV-2 infection through messenger RNA vaccination in persons with hybrid immunity, we identified the T cell receptor (TCR) sequences of thousands of index TS cells and tracked their frequency in bulk TCRβ repertoires sampled longitudinally from the peripheral blood of persons who had recovered from coronavirus disease 2019 (COVID-19). Vaccinations led to large expansions in memory TS cell clonotypes, most of which were CD8+ T cells, while also eliciting diverse TS cell clonotypes not observed before vaccination. TCR sequence similarity clustering identified public CD8+ and CD4+ TCR motifs associated with spike (S) specificity. Synthesis of longitudinal bulk ex vivo single-chain TCRβ repertoires and paired-chain TCRɑβ sequences from droplet sequencing of TS cells provides a roadmap for the rapid assessment of T cell responses to vaccines and emerging pathogens.
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Affiliation(s)
- Emily S Ford
- Department of Medicine, University of Washington, Seattle, WA, USA
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
| | | | - Lichen Jing
- Department of Medicine, University of Washington, Seattle, WA, USA
| | - Kerry J Laing
- Department of Medicine, University of Washington, Seattle, WA, USA
| | - Anton M Sholukh
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
| | - Russell St Germain
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
| | - Emily L Bossard
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
| | - Hong Xie
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA, USA
| | - Thomas H Pulliam
- Department of Medicine, University of Washington, Seattle, WA, USA
| | - Saumya Jani
- Department of Medicine, University of Washington, Seattle, WA, USA
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA, USA
| | - Stacy Selke
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA, USA
| | | | | | - Anna Wald
- Department of Medicine, University of Washington, Seattle, WA, USA
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA, USA
- Department of Epidemiology, University of Washington, Seattle, WA, USA
| | - Alexander L Greninger
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA, USA
| | - Michael R Holbrook
- Integrated Research Facility, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick, Frederick, MD, USA
| | - Brett Eaton
- Integrated Research Facility, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick, Frederick, MD, USA
| | - Elizabeth Eudy
- Integrated Research Facility, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick, Frederick, MD, USA
| | - Michael Murphy
- Integrated Research Facility, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick, Frederick, MD, USA
| | - Elena Postnikova
- Integrated Research Facility, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick, Frederick, MD, USA
| | | | | | - Rachel M Gittelman
- Adaptive Biotechnologies, Seattle, WA, USA
- Guardant Health, Redwood City, CA, USA
| | - Matyas Ecsedi
- Clinical Research Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
- Takeda Oncology, Cambridge, MA, USA
| | - Elise Wilcox
- Clinical Research Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
| | - Aude G Chapuis
- Department of Medicine, University of Washington, Seattle, WA, USA
- Clinical Research Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
| | - Andrew Fiore-Gartland
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
| | - David M Koelle
- Department of Medicine, University of Washington, Seattle, WA, USA.
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, WA, USA.
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA, USA.
- Department of Global Health, University of Washington, Seattle, WA, USA.
- Department of Translational Research, Benaroya Research Institute, Seattle, WA, USA.
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15
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Gress AR, Ronayne CE, Thiede JM, Meyerholz DK, Okurut S, Stumpf J, Mathes TV, Ssebambulidde K, Meya DB, Cresswell FV, Boulware DR, Bold TD. Recently activated CD4 T cells in tuberculosis express OX40 as a target for host-directed immunotherapy. Nat Commun 2023; 14:8423. [PMID: 38110410 PMCID: PMC10728168 DOI: 10.1038/s41467-023-44152-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 12/01/2023] [Indexed: 12/20/2023] Open
Abstract
After Mycobacterium tuberculosis (Mtb) infection, many effector T cells traffic to the lungs, but few become activated. Here we use an antigen receptor reporter mouse (Nur77-GFP) to identify recently activated CD4 T cells in the lungs. These Nur77-GFPHI cells contain expanded TCR clonotypes, have elevated expression of co-stimulatory genes such as Tnfrsf4/OX40, and are functionally more protective than Nur77-GFPLO cells. By contrast, Nur77-GFPLO cells express markers of terminal exhaustion and cytotoxicity, and the trafficking receptor S1pr5, associated with vascular localization. A short course of immunotherapy targeting OX40+ cells transiently expands CD4 T cell numbers and shifts their phenotype towards parenchymal protective cells. Moreover, OX40 agonist immunotherapy decreases the lung bacterial burden and extends host survival, offering an additive benefit to antibiotics. CD4 T cells from the cerebrospinal fluid of humans with HIV-associated tuberculous meningitis commonly express surface OX40 protein, while CD8 T cells do not. Our data thus propose OX40 as a marker of recently activated CD4 T cells at the infection site and a potential target for immunotherapy in tuberculosis.
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Affiliation(s)
- Abigail R Gress
- Department of Medicine, University of Minnesota, 420 Delaware Street, SE MMC 250, Minneapolis, MN, 55455, USA
- Center for Immunology, 2101 6th St SE, WMBB 2-118, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Christine E Ronayne
- Department of Medicine, University of Minnesota, 420 Delaware Street, SE MMC 250, Minneapolis, MN, 55455, USA
- Center for Immunology, 2101 6th St SE, WMBB 2-118, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Joshua M Thiede
- Department of Medicine, University of Minnesota, 420 Delaware Street, SE MMC 250, Minneapolis, MN, 55455, USA
- Center for Immunology, 2101 6th St SE, WMBB 2-118, University of Minnesota, Minneapolis, MN, 55455, USA
| | - David K Meyerholz
- Department of Pathology, Roy J. and Lucille A. Carver College of Medicine, 1165 Medical Laboratories (ML), 51 Newton Rd, University of Iowa, Iowa City, IA, 52242, USA
| | - Samuel Okurut
- Infectious Diseases Institute, P.O. Box 22418, Makerere University, Kampala, Uganda
| | - Julia Stumpf
- Department of Medicine, University of Minnesota, 420 Delaware Street, SE MMC 250, Minneapolis, MN, 55455, USA
| | - Tailor V Mathes
- Department of Medicine, University of Minnesota, 420 Delaware Street, SE MMC 250, Minneapolis, MN, 55455, USA
- Center for Immunology, 2101 6th St SE, WMBB 2-118, University of Minnesota, Minneapolis, MN, 55455, USA
| | | | - David B Meya
- Infectious Diseases Institute, P.O. Box 22418, Makerere University, Kampala, Uganda
| | - Fiona V Cresswell
- Infectious Diseases Institute, P.O. Box 22418, Makerere University, Kampala, Uganda
- MRC/UVRI and London School of Hygiene and Tropical Medicine Uganda Research Unit, PO Box 49, Plot 51-59, Nakiwogo Road Entebbe, Entebbe, Uganda
- Department of Global Health and Infection, Brighton and Sussex Medical School, Brighton, East Sussex, BN1 9PX, UK
| | - David R Boulware
- Department of Medicine, University of Minnesota, 420 Delaware Street, SE MMC 250, Minneapolis, MN, 55455, USA
| | - Tyler D Bold
- Department of Medicine, University of Minnesota, 420 Delaware Street, SE MMC 250, Minneapolis, MN, 55455, USA.
- Center for Immunology, 2101 6th St SE, WMBB 2-118, University of Minnesota, Minneapolis, MN, 55455, USA.
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16
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Franco A, Song J, Chambers C, Sette A, Grifoni A. SARS-CoV-2 spike-specific regulatory T cells (Treg) expand and develop memory in vaccine recipients suggesting a role for immune regulation in preventing severe symptoms in COVID-19. Autoimmunity 2023; 56:2259133. [PMID: 37724524 DOI: 10.1080/08916934.2023.2259133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 09/10/2023] [Indexed: 09/21/2023]
Abstract
We enrolled healthy subjects that received 2 to 4 injections of mRNA-based vaccination to prevent COVID-19 months to a year from the last vaccine boost, and we found numerous SARS-CoV-2 spike-specific regulatory T cell (Treg) that developed T cell memory as effector memory T cells (TEM) and central memory T cells (TCM). CD4+ CD25high Treg expressed the chemokine receptor CCR6 in a considerable percentage, suggesting T cell homing to the vascular endothelium, lung and gut epithelial cells and brain. Treg phenotype was different than peripherally-induced Treg (pTreg) that revert from pro-inflammatory T cells under repeated stimulatory conditions, suggesting that SARS-CoV-2 spike-specific Treg differentiated from naïve T cells in tissues where the SARS-CoV-2 spike proteins were synthetized. Twenty two of 22 subjects studied responded to vaccination developing a spike-specific CD4+ T helper (Th)1 response, and 20 of 22 developing a spike-specific CD8+ cytotoxic T cells (CTL) response. However, in vaccine recipients the expansion of spike-specific pro-inflammatory T cells was less significant than the expansion of spike-specific Treg. Effector (TEM) and central memory (TCM) Treg were numerous as early as after two vaccine doses, with no significant differences following additional vaccine boosts. In co-culture experiments under stimulatory conditions, Treg regulated naïve T cell differentiation toward a pro-inflammatory phenotype and suppressed interferon (IFN)γ production by SARS-CoV-2-specific CD4 + Th1 cells.
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Affiliation(s)
- Alessandra Franco
- Department of Pediatrics, University of California San Diego, School of Medicine, La Jolla, CA, USA
| | - Jaeyoon Song
- Department of Pediatrics, University of California San Diego, School of Medicine, La Jolla, CA, USA
| | - Christina Chambers
- Department of Pediatrics, University of California San Diego, School of Medicine, La Jolla, CA, USA
| | - Alessandro Sette
- Center for Autoimmunity and Inflammation, Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA, USA
| | - Alba Grifoni
- Center for Autoimmunity and Inflammation, Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA, USA
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17
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Rosado-Sánchez I, Herrero-Fernández I, Sobrino S, Carvajal AE, Genebat M, Tarancón-Díez L, Garcia-Guerrero MC, Puertas MC, de Pablos RM, Ruiz R, Martinez-Picado J, Leal M, Pacheco YM. Caecum OX40+CD4 T-cell subset associates with mucosal damage and key markers of disease in treated HIV-infection. JOURNAL OF MICROBIOLOGY, IMMUNOLOGY, AND INFECTION = WEI MIAN YU GAN RAN ZA ZHI 2023; 56:1129-1138. [PMID: 37704537 DOI: 10.1016/j.jmii.2023.08.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 08/13/2023] [Accepted: 08/24/2023] [Indexed: 09/15/2023]
Abstract
BACKGROUND Blood OX40-expressing CD4 T-cells from antiretroviral (ART)-treated people living with HIV (PWH) were found to be enriched for clonally-expanded HIV sequences, hence contributing to the HIV reservoir. OX40-OX40L is also a checkpoint regulator of inflammation in multiple diseases. We explored gut mucosal OX40+CD4+ T-cells and their potential significance in HIV disease. METHODS Biopsies of caecum and terminal-ileum of ART-treated PWH (n = 32) were obtained and mucosal damage and HIV reservoir were assessed. Mucosal OX40+ and Ki67+ CD4 T-cell subsets, as well as several tissue T-cell subsets modulating mucosal integrity and homeostasis (Th17, Th22, Treg, Tc17, Tc22, IL17+TCRγδ, IL22+TCRγδ) were quantified. Inflammatory-related markers, T-cell activation and thymic output were also determined in blood samples. Correlations were explored using Spearman rank test and corrected for multiple comparisons by Benjamini-Hochberg. RESULTS Compared to healthy controls, a high frequency of mucosal, mainly caecum, CD4 T-cells were OX40+ in PWH. Such frequency strongly correlated with nadir CD4 (r = -0.836; p < 0.0001), CD4/CD8 ratio (r = -0.630; p = 0.002), caecum mucosal damage (r = 0.606; p = 0.008), caecum Th22 (r = -0.635; p = 0.002), caecum Th17 (r = 0.474; p = 0.03) and thymic output (r = -0.686; p < 0.001). It also correlated with Neutrophil-to-Lymphocyte Ratio and blood CD4 T-cell activation and tended to with mucosal HIV reservoir. CONCLUSION High frequencies of caecum OX40+CD4 T-cells are found in people with HIV (PWH) and successful viral control. Interestingly, this cellular subset reflects key markers of disease and peripheral T-cell activation, as well as HIV-driven mucosal damage. OX40+CD4 T-cells deserve further investigation since they could expand because of T-cell homeostatic proliferation and relate to the Th22/Th17 gut mucosal ratio.
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Affiliation(s)
- Isaac Rosado-Sánchez
- Institute of Biomedicine of Seville, IBiS, Virgen del Rocío University Hospital/CSIC/University of Seville, Seville 41013, Spain.
| | - Inés Herrero-Fernández
- Institute of Biomedicine of Seville, IBiS, Virgen del Rocío University Hospital/CSIC/University of Seville, Seville 41013, Spain.
| | - Salvador Sobrino
- Digestive Endoscopy Unit, Virgen del Rocío University Hospital, Seville 41013, Spain.
| | - Ana E Carvajal
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain.
| | - Miguel Genebat
- Institute of Biomedicine of Seville, IBiS, Virgen del Rocío University Hospital/CSIC/University of Seville, Seville 41013, Spain.
| | - Laura Tarancón-Díez
- Institute of Biomedicine of Seville, IBiS, Virgen del Rocío University Hospital/CSIC/University of Seville, Seville 41013, Spain.
| | | | - María Carmen Puertas
- IrsiCaixa AIDS Research Institute, Hospital Universitari Germans Trias i Pujol, Barcelona, Catalonia, Spain; CIBERINFEC, Instituto de Salud Carlos III, Madrid, Spain.
| | - Rocío M de Pablos
- Institute of Biomedicine of Seville, IBiS, Virgen del Rocío University Hospital/CSIC/University of Seville, Seville 41013, Spain; Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain.
| | - Rocío Ruiz
- Institute of Biomedicine of Seville, IBiS, Virgen del Rocío University Hospital/CSIC/University of Seville, Seville 41013, Spain; Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain.
| | - Javier Martinez-Picado
- IrsiCaixa AIDS Research Institute, Hospital Universitari Germans Trias i Pujol, Barcelona, Catalonia, Spain; CIBERINFEC, Instituto de Salud Carlos III, Madrid, Spain; University of Vic-Central University of Catalonia (UVic-UCC), Vic, Spain; Catalan Institution for Research and Advanced Studies (ICREA), Barcelona, Spain.
| | - Manuel Leal
- Institute of Biomedicine of Seville, IBiS, Virgen del Rocío University Hospital/CSIC/University of Seville, Seville 41013, Spain; Internal Medicine Service, Viamed-Santa Ángela Hospital, Seville 41014, Spain.
| | - Yolanda M Pacheco
- Institute of Biomedicine of Seville, IBiS, Virgen del Rocío University Hospital/CSIC/University of Seville, Seville 41013, Spain; Universidad Loyola Andalucía, Facultad de Ciencias de la Salud, Campus Sevilla, 41704, Dos Hermanas, Sevilla, Spain.
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18
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Nettere D, Unnithan S, Rodgers N, Nohara J, Cray P, Berry M, Jones C, Armand L, Li SH, Berendam SJ, Fouda GG, Cain DW, Spence TN, Granek JA, Davenport CA, Edwards RJ, Wiehe K, Van Rompay KKA, Moody MA, Permar SR, Pollara J. Conjugation of HIV-1 envelope to hepatitis B surface antigen alters vaccine responses in rhesus macaques. NPJ Vaccines 2023; 8:183. [PMID: 38001122 PMCID: PMC10673864 DOI: 10.1038/s41541-023-00775-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 11/09/2023] [Indexed: 11/26/2023] Open
Abstract
An effective HIV-1 vaccine remains a critical unmet need for ending the AIDS epidemic. Vaccine trials conducted to date have suggested the need to increase the durability and functionality of vaccine-elicited antibodies to improve efficacy. We hypothesized that a conjugate vaccine based on the learned response to immunization with hepatitis B virus could be utilized to expand T cell help and improve antibody production against HIV-1. To test this, we developed an innovative conjugate vaccine regimen that used a modified vaccinia virus Ankara (MVA) co-expressing HIV-1 envelope (Env) and the hepatitis B virus surface antigen (HBsAg) as a prime, followed by two Env-HBsAg conjugate protein boosts. We compared the immunogenicity of this conjugate regimen to matched HIV-1 Env-only vaccines in two groups of 5 juvenile rhesus macaques previously immunized with hepatitis B vaccines in infancy. We found expansion of both HIV-1 and HBsAg-specific circulating T follicular helper cells and elevated serum levels of CXCL13, a marker for germinal center activity, after boosting with HBsAg-Env conjugate antigens in comparison to Env alone. The conjugate vaccine elicited higher levels of antibodies binding to select HIV Env antigens, but we did not observe significant improvement in antibody functionality, durability, maturation, or B cell clonal expansion. These data suggests that conjugate vaccination can engage both HIV-1 Env and HBsAg specific T cell help and modify antibody responses at early time points, but more research is needed to understand how to leverage this strategy to improve the durability and efficacy of next-generation HIV vaccines.
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Affiliation(s)
- Danielle Nettere
- Duke University School of Medicine, Durham, NC, USA
- Department of Molecular Genetics and Microbiology, Duke University, Durham, NC, USA
- Department of Surgery, Duke University School of Medicine, Durham, NC, USA
| | - Shakthi Unnithan
- Department of Statistics, North Carolina State University, Raleigh, NC, USA
- Department of Biostatistics and Bioinformatics, Duke University, Durham, NC, USA
| | - Nicole Rodgers
- Department of Surgery, Duke University School of Medicine, Durham, NC, USA
| | - Junsuke Nohara
- Department of Molecular Genetics and Microbiology, Duke University, Durham, NC, USA
| | - Paul Cray
- Department of Surgery, Duke University School of Medicine, Durham, NC, USA
| | - Madison Berry
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, USA
| | - Caroline Jones
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, USA
| | - Lawrence Armand
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, USA
| | - Shuk Hang Li
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, USA
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Stella J Berendam
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, USA
- GSK Rockville Center for Vaccines Research, Rockville, MD, USA
| | - Genevieve G Fouda
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, USA
- Department of Pediatrics, Weill Cornell Medicine, New York, NY, USA
| | - Derek W Cain
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, USA
| | - Taylor N Spence
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, USA
| | - Joshua A Granek
- Quantitative Sciences Core, Duke University Center for AIDS Research, Duke University School of Medicine, Durham, NC, USA
| | - Clemontina A Davenport
- Quantitative Sciences Core, Duke University Center for AIDS Research, Duke University School of Medicine, Durham, NC, USA
| | - Robert J Edwards
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, USA
| | - Kevin Wiehe
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, USA
| | - Koen K A Van Rompay
- California National Primate Research Center, University of California, Davis, CA, USA
| | - M Anthony Moody
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, USA
| | - Sallie R Permar
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, USA
- Department of Pediatrics, Weill Cornell Medicine, New York, NY, USA
| | - Justin Pollara
- Department of Surgery, Duke University School of Medicine, Durham, NC, USA.
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, USA.
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19
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Federico L, Malone B, Tennøe S, Chaban V, Osen JR, Gainullin M, Smorodina E, Kared H, Akbar R, Greiff V, Stratford R, Clancy T, Munthe LA. Experimental validation of immunogenic SARS-CoV-2 T cell epitopes identified by artificial intelligence. Front Immunol 2023; 14:1265044. [PMID: 38045681 PMCID: PMC10691274 DOI: 10.3389/fimmu.2023.1265044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Accepted: 11/01/2023] [Indexed: 12/05/2023] Open
Abstract
During the COVID-19 pandemic we utilized an AI-driven T cell epitope prediction tool, the NEC Immune Profiler (NIP) to scrutinize and predict regions of T cell immunogenicity (hotspots) from the entire SARS-CoV-2 viral proteome. These immunogenic regions offer potential for the development of universally protective T cell vaccine candidates. Here, we validated and characterized T cell responses to a set of minimal epitopes from these AI-identified universal hotspots. Utilizing a flow cytometry-based T cell activation-induced marker (AIM) assay, we identified 59 validated screening hits, of which 56% (33 peptides) have not been previously reported. Notably, we found that most of these novel epitopes were derived from the non-spike regions of SARS-CoV-2 (Orf1ab, Orf3a, and E). In addition, ex vivo stimulation with NIP-predicted peptides from the spike protein elicited CD8+ T cell response in PBMC isolated from most vaccinated donors. Our data confirm the predictive accuracy of AI platforms modelling bona fide immunogenicity and provide a novel framework for the evaluation of vaccine-induced T cell responses.
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Affiliation(s)
- Lorenzo Federico
- Department of Immunology, Oslo University Hospital, Oslo, Norway
- KG Jebsen Centre for B cell Malignancies, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | | | | | - Viktoriia Chaban
- Department of Immunology, Oslo University Hospital, Oslo, Norway
- KG Jebsen Centre for B cell Malignancies, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Julie Røkke Osen
- Department of Immunology, Oslo University Hospital, Oslo, Norway
- KG Jebsen Centre for B cell Malignancies, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Murat Gainullin
- Department of Immunology, Oslo University Hospital, Oslo, Norway
- KG Jebsen Centre for B cell Malignancies, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Eva Smorodina
- Department of Immunology, Oslo University Hospital, Oslo, Norway
- Institute of Clinical Medicine, Oslo University Hospital, Oslo, Norway
| | - Hassen Kared
- Department of Immunology, Oslo University Hospital, Oslo, Norway
- KG Jebsen Centre for B cell Malignancies, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Rahmad Akbar
- Department of Immunology, Oslo University Hospital, Oslo, Norway
- Institute of Clinical Medicine, Oslo University Hospital, Oslo, Norway
| | - Victor Greiff
- Department of Immunology, Oslo University Hospital, Oslo, Norway
- Institute of Clinical Medicine, Oslo University Hospital, Oslo, Norway
| | | | | | - Ludvig Andre Munthe
- Department of Immunology, Oslo University Hospital, Oslo, Norway
- KG Jebsen Centre for B cell Malignancies, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
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20
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Nelson AN, Shen X, Vekatayogi S, Zhang S, Ozorowski G, Dennis M, Sewall LM, Milligan E, Davis D, Cross KA, Chen Y, van Schooten J, Eudailey J, Isaac J, Memon S, Weinbaum C, Stanfield-Oakley S, Byrd A, Chutkan S, Berendam S, Cronin K, Yasmeen A, Alam SM, LaBranche CC, Rogers K, Shirreff L, Cupo A, Derking R, Villinger F, Klasse PJ, Ferrari G, Williams WB, Hudgens MG, Ward AB, Montefiori DC, Van Rompay KK, Wiehe K, Moore JP, Sanders RW, De Paris K, Permar SR. Germline-targeting SOSIP trimer immunization elicits precursor CD4 binding-site targeting broadly neutralizing antibodies in infant macaques. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.11.07.565306. [PMID: 37986885 PMCID: PMC10659289 DOI: 10.1101/2023.11.07.565306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2023]
Abstract
A vaccine that can achieve protective immunity prior to sexual debut is critical to prevent the estimated 410,000 new HIV infections that occur yearly in adolescents. As children living with HIV can make broadly neutralizing antibody (bnAb) responses in plasma at a faster rate than adults, early childhood is an opportune window for implementation of a multi-dose HIV immunization strategy to elicit protective immunity prior to adolescence. Therefore, the goal of our study was to assess the ability of a B cell lineage-designed HIV envelope SOSIP to induce bnAbs in early life. Infant rhesus macaques (RMs) received either BG505 SOSIP or the germline-targeting BG505 GT1.1 SOSIP (n=5/group) with the 3M-052-SE adjuvant at 0, 6, and 12 weeks of age. All infant RMs were then boosted with the BG505 SOSIP at weeks 26, 52 and 78, mimicking a pediatric immunization schedule of multiple vaccine boosts within the first two years of life. Both immunization strategies induced durable, high magnitude binding antibodies and plasma autologous virus neutralization that primarily targeted the CD4-binding site (CD4bs) or C3/465 epitope. Notably, three BG505 GT1.1-immunized infants exhibited a plasma HIV neutralization signature reflective of VRC01-like CD4bs bnAb precursor development and heterologous virus neutralization. Finally, infant RMs developed precursor bnAb responses at a similar frequency to that of adult RMs receiving a similar immunization strategy. Thus, a multi-dose immunization regimen with bnAb lineage designed SOSIPs is a promising strategy for inducing protective HIV bnAb responses in childhood prior to adolescence when sexual HIV exposure risk begins.
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Affiliation(s)
- Ashley N. Nelson
- Department of Pediatrics, Weill Cornell Medicine; New York, NY, USA
| | - Xiaoying Shen
- Human Vaccine Institute, Duke University Medical Center; Durham, NC, USA
| | - Sravani Vekatayogi
- Human Vaccine Institute, Duke University Medical Center; Durham, NC, USA
| | - Shiyu Zhang
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA, USA
| | - Gabriel Ozorowski
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA, USA
| | - Maria Dennis
- Department of Pediatrics, Weill Cornell Medicine; New York, NY, USA
| | - Leigh M. Sewall
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA, USA
| | - Emma Milligan
- Department of Microbiology and Immunology, School of Medicine, University of North Carolina at Chapel Hill; Chapel Hill, NC, USA
| | - Dominique Davis
- Department of Microbiology and Immunology, School of Medicine, University of North Carolina at Chapel Hill; Chapel Hill, NC, USA
| | - Kaitlyn A. Cross
- Gillings School of Public Health and Center for AIDS Research, University of North Carolina at Chapel Hill; Chapel Hill, NC, USA
| | - Yue Chen
- Human Vaccine Institute, Duke University Medical Center; Durham, NC, USA
| | - Jelle van Schooten
- Department of Medical Microbiology, Academic Medical Center; Amsterdam, Netherlands
| | - Joshua Eudailey
- Department of Pediatrics, Weill Cornell Medicine; New York, NY, USA
| | - John Isaac
- Department of Pediatrics, Weill Cornell Medicine; New York, NY, USA
| | - Saad Memon
- Department of Pediatrics, Weill Cornell Medicine; New York, NY, USA
| | - Carolyn Weinbaum
- Department of Pediatrics, Weill Cornell Medicine; New York, NY, USA
| | | | - Alliyah Byrd
- Human Vaccine Institute, Duke University Medical Center; Durham, NC, USA
| | - Suni Chutkan
- Human Vaccine Institute, Duke University Medical Center; Durham, NC, USA
| | - Stella Berendam
- Human Vaccine Institute, Duke University Medical Center; Durham, NC, USA
| | - Kenneth Cronin
- Human Vaccine Institute, Duke University Medical Center; Durham, NC, USA
| | - Anila Yasmeen
- Department of Microbiology and Immunology, Weill Cornell Medicine; New York, NY, USA
| | - S. Munir Alam
- Human Vaccine Institute, Duke University Medical Center; Durham, NC, USA
| | - Celia C. LaBranche
- Human Vaccine Institute, Duke University Medical Center; Durham, NC, USA
| | - Kenneth Rogers
- New Iberia Research Center, University of Louisiana at Lafayette, New Iberia, LA, USA
| | - Lisa Shirreff
- New Iberia Research Center, University of Louisiana at Lafayette, New Iberia, LA, USA
| | - Albert Cupo
- Department of Microbiology and Immunology, Weill Cornell Medicine; New York, NY, USA
| | - Ronald Derking
- Department of Medical Microbiology, Academic Medical Center; Amsterdam, Netherlands
- Amsterdam Institute for Infection and Immunity, Infectious Diseases, Amsterdam, the Netherlands
| | - Francois Villinger
- New Iberia Research Center, University of Louisiana at Lafayette, New Iberia, LA, USA
| | - Per Johan Klasse
- Department of Microbiology and Immunology, Weill Cornell Medicine; New York, NY, USA
| | - Guido Ferrari
- Human Vaccine Institute, Duke University Medical Center; Durham, NC, USA
| | - Wilton B. Williams
- Human Vaccine Institute, Duke University Medical Center; Durham, NC, USA
| | - Michael G. Hudgens
- Gillings School of Public Health and Center for AIDS Research, University of North Carolina at Chapel Hill; Chapel Hill, NC, USA
| | - Andrew B. Ward
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA, USA
| | | | - Koen K.A. Van Rompay
- California National Primate Research Center, University of California; Davis, CA, USA
| | - Kevin Wiehe
- Human Vaccine Institute, Duke University Medical Center; Durham, NC, USA
| | - John P. Moore
- Department of Microbiology and Immunology, Weill Cornell Medicine; New York, NY, USA
| | - Rogier W. Sanders
- Department of Medical Microbiology, Academic Medical Center; Amsterdam, Netherlands
- Department of Microbiology and Immunology, Weill Cornell Medicine; New York, NY, USA
- Amsterdam Institute for Infection and Immunity, Infectious Diseases, Amsterdam, the Netherlands
| | - Kristina De Paris
- Department of Microbiology and Immunology, School of Medicine, University of North Carolina at Chapel Hill; Chapel Hill, NC, USA
| | - Sallie R. Permar
- Department of Pediatrics, Weill Cornell Medicine; New York, NY, USA
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21
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Phung I, Rodrigues KA, Marina-Zárate E, Maiorino L, Pahar B, Lee WH, Melo M, Kaur A, Allers C, Fahlberg M, Grasperge BF, Dufour JP, Schiro F, Aye PP, Lopez PG, Torres JL, Ozorowski G, Eskandarzadeh S, Kubitz M, Georgeson E, Groschel B, Nedellec R, Bick M, Kaczmarek Michaels K, Gao H, Shen X, Carnathan DG, Silvestri G, Montefiori DC, Ward AB, Hangartner L, Veazey RS, Burton DR, Schief WR, Irvine DJ, Crotty S. A combined adjuvant approach primes robust germinal center responses and humoral immunity in non-human primates. Nat Commun 2023; 14:7107. [PMID: 37925510 PMCID: PMC10625619 DOI: 10.1038/s41467-023-42923-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 10/25/2023] [Indexed: 11/06/2023] Open
Abstract
Adjuvants and antigen delivery kinetics can profoundly influence B cell responses and should be critically considered in rational vaccine design, particularly for difficult neutralizing antibody targets such as human immunodeficiency virus (HIV). Antigen kinetics can change depending on the delivery method. To promote extended immunogen bioavailability and to present antigen in a multivalent form, native-HIV Env trimers are modified with short phosphoserine peptide linkers that promote tight binding to aluminum hydroxide (pSer:alum). Here we explore the use of a combined adjuvant approach that incorporates pSer:alum-mediated antigen delivery with potent adjuvants (SMNP, 3M-052) in an extensive head-to-head comparison study with conventional alum to assess germinal center (GC) and humoral immune responses. Priming with pSer:alum plus SMNP induces additive effects that enhance the magnitude and persistence of GCs, which correlate with better GC-TFH cell help. Autologous HIV-neutralizing antibody titers are improved in SMNP-immunized animals after two immunizations. Over 9 months after priming immunization of pSer:alum with either SMNP or 3M-052, robust Env-specific bone marrow plasma cells (BM BPC) are observed. Furthermore, pSer-modification of Env trimer reduce targeting towards immunodominant non-neutralizing epitopes. The study shows that a combined adjuvant approach can augment humoral immunity by modulating immunodominance and shows promise for clinical translation.
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Affiliation(s)
- Ivy Phung
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology (LJI), La Jolla, CA, 92037, USA
- Consortium for HIV/AIDS Vaccine Development (CHAVD), The Scripps Research Institute, La Jolla, CA, 92037, USA
- Department of Medicine, Division of Infectious Diseases and Global Public Health, University of California, San Diego (UCSD), La Jolla, CA, 92037, USA
| | - Kristen A Rodrigues
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, 02139, USA
| | - Ester Marina-Zárate
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology (LJI), La Jolla, CA, 92037, USA
- Consortium for HIV/AIDS Vaccine Development (CHAVD), The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Laura Maiorino
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, 02139, USA
| | - Bapi Pahar
- Tulane National Primate Research Center, Tulane School of Medicine, Covington, LA, 70433, USA
| | - Wen-Hsin Lee
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Mariane Melo
- Consortium for HIV/AIDS Vaccine Development (CHAVD), The Scripps Research Institute, La Jolla, CA, 92037, USA
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, 02139, USA
| | - Amitinder Kaur
- Tulane National Primate Research Center, Tulane School of Medicine, Covington, LA, 70433, USA
| | - Carolina Allers
- Tulane National Primate Research Center, Tulane School of Medicine, Covington, LA, 70433, USA
| | - Marissa Fahlberg
- Tulane National Primate Research Center, Tulane School of Medicine, Covington, LA, 70433, USA
| | - Brooke F Grasperge
- Tulane National Primate Research Center, Tulane School of Medicine, Covington, LA, 70433, USA
| | - Jason P Dufour
- Tulane National Primate Research Center, Tulane School of Medicine, Covington, LA, 70433, USA
| | - Faith Schiro
- Tulane National Primate Research Center, Tulane School of Medicine, Covington, LA, 70433, USA
| | - Pyone P Aye
- Tulane National Primate Research Center, Tulane School of Medicine, Covington, LA, 70433, USA
| | - Paul G Lopez
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology (LJI), La Jolla, CA, 92037, USA
| | - Jonathan L Torres
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Gabriel Ozorowski
- Consortium for HIV/AIDS Vaccine Development (CHAVD), The Scripps Research Institute, La Jolla, CA, 92037, USA
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA, 92037, USA
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Saman Eskandarzadeh
- Consortium for HIV/AIDS Vaccine Development (CHAVD), The Scripps Research Institute, La Jolla, CA, 92037, USA
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA, 92037, USA
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Michael Kubitz
- Consortium for HIV/AIDS Vaccine Development (CHAVD), The Scripps Research Institute, La Jolla, CA, 92037, USA
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA, 92037, USA
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Erik Georgeson
- Consortium for HIV/AIDS Vaccine Development (CHAVD), The Scripps Research Institute, La Jolla, CA, 92037, USA
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA, 92037, USA
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Bettina Groschel
- Consortium for HIV/AIDS Vaccine Development (CHAVD), The Scripps Research Institute, La Jolla, CA, 92037, USA
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA, 92037, USA
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Rebecca Nedellec
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Michael Bick
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Katarzyna Kaczmarek Michaels
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, 02139, USA
| | - Hongmei Gao
- Department of Surgery, Laboratory for AIDS Vaccine Research & Development, Duke University Medical Center, Duke University, Durham, NC, 27710, USA
| | - Xiaoying Shen
- Department of Surgery, Laboratory for AIDS Vaccine Research & Development, Duke University Medical Center, Duke University, Durham, NC, 27710, USA
| | - Diane G Carnathan
- Emory National Primate Research Center and Emory Vaccine Center, Emory University School of Medicine, Atlanta, GA, 30322, USA
| | - Guido Silvestri
- Emory National Primate Research Center and Emory Vaccine Center, Emory University School of Medicine, Atlanta, GA, 30322, USA
| | - David C Montefiori
- Department of Surgery, Laboratory for AIDS Vaccine Research & Development, Duke University Medical Center, Duke University, Durham, NC, 27710, USA
| | - Andrew B Ward
- Consortium for HIV/AIDS Vaccine Development (CHAVD), The Scripps Research Institute, La Jolla, CA, 92037, USA
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Lars Hangartner
- Consortium for HIV/AIDS Vaccine Development (CHAVD), The Scripps Research Institute, La Jolla, CA, 92037, USA
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Ronald S Veazey
- Tulane National Primate Research Center, Tulane School of Medicine, Covington, LA, 70433, USA
| | - Dennis R Burton
- Consortium for HIV/AIDS Vaccine Development (CHAVD), The Scripps Research Institute, La Jolla, CA, 92037, USA
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, 02139, USA
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA, 92037, USA
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - William R Schief
- Consortium for HIV/AIDS Vaccine Development (CHAVD), The Scripps Research Institute, La Jolla, CA, 92037, USA
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, 02139, USA
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA, 92037, USA
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Darrell J Irvine
- Consortium for HIV/AIDS Vaccine Development (CHAVD), The Scripps Research Institute, La Jolla, CA, 92037, USA.
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, 02139, USA.
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.
- Howard Hughes Medical Institute, Chevy Chase, MD, 20815, USA.
| | - Shane Crotty
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology (LJI), La Jolla, CA, 92037, USA.
- Consortium for HIV/AIDS Vaccine Development (CHAVD), The Scripps Research Institute, La Jolla, CA, 92037, USA.
- Department of Medicine, Division of Infectious Diseases and Global Public Health, University of California, San Diego (UCSD), La Jolla, CA, 92037, USA.
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22
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da Silva Antunes R, Weiskopf D, Sidney J, Rubiro P, Peters B, Arlehamn CSL, Grifoni A, Sette A. The MegaPool Approach to Characterize Adaptive CD4+ and CD8+ T Cell Responses. Curr Protoc 2023; 3:e934. [PMID: 37966108 PMCID: PMC10662678 DOI: 10.1002/cpz1.934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2023]
Abstract
Epitopes recognized by T cells are a collection of short peptide fragments derived from specific antigens or proteins. Immunological research to study T cell responses is hindered by the extreme degree of heterogeneity of epitope targets, which are usually derived from multiple antigens; within a given antigen, hundreds of different T cell epitopes can be recognized, differing from one individual to the next because T cell epitope recognition is restricted by the epitopes' ability to bind to MHC molecules, which are extremely polymorphic in different individuals. Testing large pools encompassing hundreds of peptides is technically challenging because of logistical considerations regarding solvent-induced toxicity. To address this issue, we developed the MegaPool (MP) approach based on sequential lyophilization of large numbers of peptides that can be used in a variety of assays to measure T cell responses, including ELISPOT, intracellular cytokine staining, and activation-induced marker assays, and that has been validated in the study of infectious diseases, allergies, and autoimmunity. Here, we describe the procedures for generating and testing MPs, starting with peptide synthesis and lyophilization, as well as a step-by-step guide and recommendations for their handling and experimental usage. Overall, the MP approach is a powerful strategy for studying T cell responses and understanding the immune system's role in health and disease. © 2023 Wiley Periodicals LLC. Basic Protocol 1: Generation of peptide pools ("MegaPools") Basic Protocol 2: MegaPool testing and quantitation of antigen-specific T cell responses.
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Affiliation(s)
- Ricardo da Silva Antunes
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology (LJI); La Jolla, CA, USA
| | - Daniela Weiskopf
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology (LJI); La Jolla, CA, USA
| | - John Sidney
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology (LJI); La Jolla, CA, USA
| | - Paul Rubiro
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology (LJI); La Jolla, CA, USA
| | - Bjoern Peters
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology (LJI); La Jolla, CA, USA
- Department of Medicine, Division of Infectious Diseases and Global Public Health, University of California, San Diego (UCSD), La Jolla, CA, USA
| | | | - Alba Grifoni
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology (LJI); La Jolla, CA, USA
| | - Alessandro Sette
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology (LJI); La Jolla, CA, USA
- Department of Medicine, Division of Infectious Diseases and Global Public Health, University of California, San Diego (UCSD), La Jolla, CA, USA
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23
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Pallikkuth S, Kvistad D, Sirupangi T, Kizhner A, Pahwa R, Cameron MJ, Richardson B, Williams S, Ayupe A, Brooks M, Petrovas C, Villinger F, Pahwa S. IL-21-IgFc immunotherapy alters transcriptional landscape of lymph node cells leading to enhanced flu vaccine response in aging and SIV infection. Aging Cell 2023; 22:e13984. [PMID: 37712598 PMCID: PMC10652303 DOI: 10.1111/acel.13984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 08/23/2023] [Accepted: 08/25/2023] [Indexed: 09/16/2023] Open
Abstract
Aging people living with HIV (PWH) frequently manifest impaired antibody (Ab) responses to seasonal flu vaccination which has been attributed to ongoing inflammation and immune activation. We have recently reported a similar scenario in old simian immunodeficiency virus (SIV) infected rhesus macaques (RM) with controlled viremia and have been able to compensate for this deficiency by immunotherapy with interleukin (IL)-21-IgFc. To understand the underlying mechanisms of IL-21-induced immunomodulation leading to enhanced flu vaccine response in aging and SIV, we have investigated draining lymph node (LN) cells of IL-21-treated and -untreated animals at postvaccination. We observed IL-21-induced proliferation of flu-specific LN memory CD4 T cells, expansion of B cells expressing IL-21 receptor (IL-21R), and modest expansion of T follicular helper cells (Tfh) co-expressing T-cell immunoreceptor with Ig and ITIM domains (TIGIT) and DNAX accessory molecule (DNAM-1). Transcriptional analysis of LN cells of IL-21-treated animals revealed significant inhibition of germinal center (GC) Tfh and B-cell interferon signaling pathways along with enhanced B-cell development and antigen presentation pathways. We conclude that IL-21 treatment at the time of flu vaccination in aging SIV-infected animals modulates the inductive LN GC activity, to reverse SIV-associated LN Tfh and B-cell dysfunction. IL-21 is a potential candidate molecule for immunotherapy to enhance flu vaccine responses in aging PWH who have deficient antibody responses.
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Affiliation(s)
- Suresh Pallikkuth
- Department of Microbiology and ImmunologyUniversity of Miami School of MedicineMiamiFloridaUSA
| | - Daniel Kvistad
- Department of Microbiology and ImmunologyUniversity of Miami School of MedicineMiamiFloridaUSA
| | - Tirupataiah Sirupangi
- New Iberia Research Center and Department of BiologyUniversity of Louisiana at LafayetteNew IberiaLouisianaUSA
| | - Alexander Kizhner
- Department of Microbiology and ImmunologyUniversity of Miami School of MedicineMiamiFloridaUSA
| | - Rajendra Pahwa
- Department of Microbiology and ImmunologyUniversity of Miami School of MedicineMiamiFloridaUSA
| | - Mark J. Cameron
- Department of Quantitative and Population Health SciencesCase Western Reserve UniversityClevelandOhioUSA
| | - Brian Richardson
- Department of Quantitative and Population Health SciencesCase Western Reserve UniversityClevelandOhioUSA
| | - Sion Williams
- Department of Neurology, Onco‐Genomics Shared Resource, Sylvester Comprehensive Cancer CenterUniversity of Miami School of MedicineMiamiFloridaUSA
| | - Ana Ayupe
- Onco‐Genomics Shared Resource, Sylvester Comprehensive Cancer CenterUniversity of Miami School of MedicineMiamiFloridaUSA
| | - Marissa Brooks
- Onco‐Genomics Shared Resource, Sylvester Comprehensive Cancer CenterUniversity of Miami School of MedicineMiamiFloridaUSA
| | - Constantinos Petrovas
- Tissue Analysis Core, Immunology Laboratory, Vaccine Research CenterNIAID, NIHBethesdaMarylandUSA
- Department of Laboratory Medicine and PathologyInstitute of Pathology, Lausanne University Hospital and Lausanne UniversityLausanneSwitzerland
| | - Francois Villinger
- New Iberia Research Center and Department of BiologyUniversity of Louisiana at LafayetteNew IberiaLouisianaUSA
| | - Savita Pahwa
- Department of Microbiology and ImmunologyUniversity of Miami School of MedicineMiamiFloridaUSA
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24
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Bean DJ, Monroe J, Liang YM, Borberg E, Senussi Y, Swank Z, Chalise S, Walt D, Weinberg J, Sagar M. Heterotypic responses against nsp12/nsp13 from prior SARS-CoV-2 infection associates with lower subsequent endemic coronavirus incidence. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.10.23.563621. [PMID: 37961343 PMCID: PMC10634759 DOI: 10.1101/2023.10.23.563621] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
Immune responses from prior SARS-CoV-2 infection and COVID-19 vaccination do not prevent re-infections and may not protect against future novel coronaviruses (CoVs). We examined the incidence of and immune differences against human endemic CoVs (eCoV) as a proxy for response against future emerging CoVs. Assessment was among those with known SARS-CoV-2 infection, COVID-19 vaccination but no documented SARS-CoV-2 infection, or neither exposure. Retrospective cohort analyses suggest that prior SARS-CoV-2 infection, but not COVID-19 vaccination alone, protects against subsequent symptomatic eCoV infection. CD8+ T cell responses to the non-structural eCoV proteins, nsp12 and nsp13, were significantly higher in individuals with previous SARS-CoV-2 infection as compared to the other groups. The three groups had similar cellular responses against the eCoV spike and nucleocapsid, and those with prior spike exposure had lower eCoV-directed neutralizing antibodies. Incorporation of non-structural viral antigens in a future pan-CoV vaccine may improve protection against future heterologous CoV infections.
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Affiliation(s)
- David J. Bean
- Department of Virology, Immunology and Microbiology, Boston University Chobanian & Avedisian School of Medicine, Boston, MA
| | - Janet Monroe
- Department of Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston, MA
| | - Yan Mei Liang
- Department of Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston, MA
| | - Ella Borberg
- Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA
| | - Yasmeen Senussi
- Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA
| | - Zoe Swank
- Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA
| | - Sujata Chalise
- Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA
| | - David Walt
- Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA
| | - Janice Weinberg
- Department of Biostatistics, Boston University School of Public Health, Boston, MA
| | - Manish Sagar
- Department of Virology, Immunology and Microbiology, Boston University Chobanian & Avedisian School of Medicine, Boston, MA
- Department of Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston, MA
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25
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Borko TL, Baxter R, Cabrera-Martinez B, Thiruppathi E, Sabalza M, Venkataraman I, Selva S, Rester C, Sillau S, Pastula DM, Bennett JL, Alvarez E, Gross R, Shah A, Kammeyer R, Corboy JR, Kedl RM, Hsieh EWY, Piquet AL. SARS-CoV-2 mRNA vaccination induces an antigen-specific T cell response correlating with plasma interferon-gamma in B cell depleted patients. J Neuroimmunol 2023; 383:578192. [PMID: 37666038 PMCID: PMC10863651 DOI: 10.1016/j.jneuroim.2023.578192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 07/06/2023] [Accepted: 08/27/2023] [Indexed: 09/06/2023]
Abstract
Emerging evidence is encouraging and suggests that a substantial proportion of patients without antibody responses (due to anti-CD20 therapy or other etiologies) to severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) vaccines develop T cell responses. However, antigen-specific T cellular responses are notoriously difficult to assess clinically, given the lack of such assays under satisfactory CAP/CLIA regulation, and the laborious nature of the flow cytometric assessment. To evaluate the ability to apply a clinically feasible assay to measure T cellular responses to SARS-CoV-2 mRNA vaccination, we compared flow cytometric and enzyme-linked immunosorbent assay (ELISA) based assays in 24 participants treated with anti-CD20 therapy. T cellular activation (CD69 + CD137+ surface expression, i.e., activation induced markers [AIM]) and intracellular interferon gamma (INFγ) production via flow cytometry was compared to plasma Interferon Gamma Release Assay (IGRA) via ELISA. Plasma INFγ production measured by IGRA correlated with the percent of INFγ-producing AIM positive T cells, supporting the use of IGRA assay as a robust assessment of T cellular response to the SARS-CoV-2 vaccine for B-cell depleted patients that is clinically feasible, time efficient, and cost effective.
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Affiliation(s)
- Tyler L Borko
- Department of Neurology, University of Colorado Anschutz School of Medicine, United States of America
| | - Ryan Baxter
- Department of Immunology & Microbiology, University of Colorado Anschutz School of Medicine, United States of America
| | - Berenice Cabrera-Martinez
- Department of Immunology & Microbiology, University of Colorado Anschutz School of Medicine, United States of America
| | | | - Maite Sabalza
- Scientific Affairs, EUROIMMUN, United States of America
| | | | - Sean Selva
- Department of Neurology, University of Colorado Anschutz School of Medicine, United States of America
| | - Cody Rester
- Department of Immunology & Microbiology, University of Colorado Anschutz School of Medicine, United States of America
| | - Stefan Sillau
- Department of Neurology, University of Colorado Anschutz School of Medicine, United States of America
| | - Daniel M Pastula
- Department of Neurology, University of Colorado Anschutz School of Medicine, United States of America
| | - Jeffrey L Bennett
- Departments of Neurology and Ophthalmology, Programs in Neuroscience and Immunology, University of Colorado Anschutz School of Medicine, United States of America
| | - Enrique Alvarez
- Department of Neurology, University of Colorado Anschutz School of Medicine, United States of America
| | - Robert Gross
- Department of Neurology, University of Colorado Anschutz School of Medicine, United States of America
| | - Anna Shah
- Department of Neurology, University of Colorado Anschutz School of Medicine, United States of America
| | - Ryan Kammeyer
- Department of Neurology, University of Colorado Anschutz School of Medicine, United States of America
| | - John R Corboy
- Department of Neurology, University of Colorado Anschutz School of Medicine, United States of America
| | - Ross M Kedl
- Department of Immunology & Microbiology, University of Colorado Anschutz School of Medicine, United States of America
| | - Elena W Y Hsieh
- Department of Immunology & Microbiology, University of Colorado Anschutz School of Medicine, United States of America; Department of Pediatrics, Section of Allergy and Immunology, University of Colorado Anschutz School of Medicine, United States of America
| | - Amanda L Piquet
- Department of Neurology, University of Colorado Anschutz School of Medicine, United States of America.
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26
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Soni MK, Migliori E, Fu J, Assal A, Chan HT, Pan J, Khatiwada P, Ciubotariu R, May MS, Pereira MR, De Giorgi V, Sykes M, Mapara MY, Muranski PJ. The prospect of universal coronavirus immunity: characterization of reciprocal and non-reciprocal T cell responses against SARS-CoV2 and common human coronaviruses. Front Immunol 2023; 14:1212203. [PMID: 37901229 PMCID: PMC10612330 DOI: 10.3389/fimmu.2023.1212203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 09/25/2023] [Indexed: 10/31/2023] Open
Abstract
T cell immunity plays a central role in clinical outcomes of Coronavirus Infectious Disease 2019 (COVID-19) and T cell-focused vaccination or cellular immunotherapy might provide enhanced protection for some immunocompromised patients. Pre-existing T cell memory recognizing SARS-CoV-2 antigens antedating COVID-19 infection or vaccination, may have developed as an imprint of prior infections with endemic non-SARS human coronaviruses (hCoVs) OC43, HKU1, 229E, NL63, pathogens of "common cold". In turn, SARS-CoV-2-primed T cells may recognize emerging variants or other hCoV viruses and modulate the course of subsequent hCoV infections. Cross-immunity between hCoVs and SARS-CoV-2 has not been well characterized. Here, we systematically investigated T cell responses against the immunodominant SARS-CoV-2 spike, nucleocapsid and membrane proteins and corresponding antigens from α- and β-hCoVs among vaccinated, convalescent, and unexposed subjects. Broad T cell immunity against all tested SARS-CoV-2 antigens emerged in COVID-19 survivors. In convalescent and in vaccinated individuals, SARS-CoV-2 spike-specific T cells reliably recognized most SARS-CoV-2 variants, however cross-reactivity against the omicron variant was reduced by approximately 47%. Responses against spike, nucleocapsid and membrane antigens from endemic hCoVs were significantly more extensive in COVID-19 survivors than in unexposed subjects and displayed cross-reactivity between α- and β-hCoVs. In some, non-SARS hCoV-specific T cells demonstrated a prominent non-reciprocal cross-reactivity with SARS-CoV-2 antigens, whereas a distinct anti-SARS-CoV-2 immunological repertoire emerged post-COVID-19, with relatively limited cross-recognition of non-SARS hCoVs. Based on this cross-reactivity pattern, we established a strategy for in-vitro expansion of universal anti-hCoV T cells for adoptive immunotherapy. Overall, these results have implications for the future design of universal vaccines and cell-based immune therapies against SARS- and non-SARS-CoVs.
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Affiliation(s)
- Mithil K. Soni
- Columbia Center for Translational Immunology, Department of Medicine, Columbia University, New York, NY, United States
| | - Edoardo Migliori
- Columbia Center for Translational Immunology, Department of Medicine, Columbia University, New York, NY, United States
| | - Jianing Fu
- Columbia Center for Translational Immunology, Department of Medicine, Columbia University, New York, NY, United States
| | - Amer Assal
- Department of Medicine, Blood and Marrow Transplantation and Cell Therapy Program, Columbia University Irving Medical Center, New York, NY, United States
- Columbia University Medical Center, Herbert Irving Comprehensive Cancer Center, New York, NY, United States
| | - Hei Ton Chan
- Columbia University Medical Center, Herbert Irving Comprehensive Cancer Center, New York, NY, United States
| | - Jian Pan
- Columbia University Medical Center, Herbert Irving Comprehensive Cancer Center, New York, NY, United States
| | - Prabesh Khatiwada
- Columbia Center for Translational Immunology, Department of Medicine, Columbia University, New York, NY, United States
| | - Rodica Ciubotariu
- Columbia University Medical Center, Herbert Irving Comprehensive Cancer Center, New York, NY, United States
| | - Michael S. May
- Columbia University Medical Center, Herbert Irving Comprehensive Cancer Center, New York, NY, United States
| | - Marcus R. Pereira
- Department of Medicine, Division of Infectious Disease, Columbia University College of Physicians and Surgeons, New York, NY, United States
| | - Valeria De Giorgi
- Department of Transfusion Medicine, National Institutes of Health Clinical Center, Bethesda, MD, United States
| | - Megan Sykes
- Columbia Center for Translational Immunology, Department of Medicine, Columbia University, New York, NY, United States
| | - Markus Y. Mapara
- Columbia Center for Translational Immunology, Department of Medicine, Columbia University, New York, NY, United States
| | - Pawel J. Muranski
- Columbia Center for Translational Immunology, Department of Medicine, Columbia University, New York, NY, United States
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27
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Silva-Moraes V, Souquette A, Sautto GA, Paciello I, Antonelli G, Andreano E, Rappuoli R, Teixeira-Carvalho A, Ross TM. Prior SARS-CoV-2 Infection Enhances Initial mRNA Vaccine Response with a Lower Impact on Long-Term Immunity. Immunohorizons 2023; 7:635-651. [PMID: 37819998 PMCID: PMC10615651 DOI: 10.4049/immunohorizons.2300041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Accepted: 09/15/2023] [Indexed: 10/13/2023] Open
Abstract
Spike-encoding mRNA vaccines in early 2021 effectively reduced SARS-CoV-2-associated morbidity and mortality. New booster regimens were introduced due to successive waves of distinct viral variants. Therefore, people now have a diverse immune memory resulting from multiple SARS-CoV-2 Ag exposures, from infection to following vaccination. This level of community-wide immunity can induce immunological protection from SARS-CoV-2; however, questions about the trajectory of the adaptive immune responses and long-term immunity with respect to priming and repeated Ag exposure remain poorly explored. In this study, we examined the trajectory of adaptive immune responses following three doses of monovalent Pfizer BNT162b2 mRNA vaccination in immunologically naive and SARS-CoV-2 preimmune individuals without the occurrence of breakthrough infection. The IgG, B cell, and T cell Spike-specific responses were assessed in human blood samples collected at six time points between a moment before vaccination and up to 6 mo after the third immunization. Overall, the impact of repeated Spike exposures had a lower improvement on T cell frequency and longevity compared with IgG responses. Natural infection shaped the responses following the initial vaccination by significantly increasing neutralizing Abs and specific CD4+ T cell subsets (circulating T follicular helper, effector memory, and Th1-producing cells), but it had a small benefit at long-term immunity. At the end of the three-dose vaccination regimen, both SARS-CoV-2-naive and preimmune individuals had similar immune memory quality and quantity. This study provides insights into the durability of mRNA vaccine-induced immunological memory and the effects of preimmunity on long-term responses.
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Affiliation(s)
- Vanessa Silva-Moraes
- Center for Vaccines and Immunology, University of Georgia, Athens, GA
- Florida Research and Innovation Center, Cleveland Clinic, Port Saint Lucie, FL
| | - Aisha Souquette
- Department of Immunology, St. Jude Children’s Research Hospital, Memphis, TN
| | - Giuseppe A. Sautto
- Center for Vaccines and Immunology, University of Georgia, Athens, GA
- Florida Research and Innovation Center, Cleveland Clinic, Port Saint Lucie, FL
| | - Ida Paciello
- Monoclonal Antibody Discovery Lab, Foundation Toscana Life Sciences, Siena, Italy
| | - Giada Antonelli
- Monoclonal Antibody Discovery Lab, Foundation Toscana Life Sciences, Siena, Italy
| | - Emanuele Andreano
- Monoclonal Antibody Discovery Lab, Foundation Toscana Life Sciences, Siena, Italy
| | | | | | - Ted M. Ross
- Center for Vaccines and Immunology, University of Georgia, Athens, GA
- Florida Research and Innovation Center, Cleveland Clinic, Port Saint Lucie, FL
- Department of Infectious Diseases, University of Georgia, Athens, GA
- Department of Infection Biology, Lerner Research Institute, Cleveland Clinic, Cleveland, OH
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28
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Limoges MA, Lortie A, Demontier É, Quenum AJI, Lessard F, Drouin Z, Carrier N, Nguimbus LM, Beaulieu MC, Boire G, Piché A, Allard-Chamard H, Ramanathan S, Roux S. SARS-CoV-2 mRNA vaccine-induced immune responses in rheumatoid arthritis. J Leukoc Biol 2023; 114:358-367. [PMID: 37478373 PMCID: PMC10533224 DOI: 10.1093/jleuko/qiad086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 07/15/2023] [Accepted: 07/19/2023] [Indexed: 07/23/2023] Open
Abstract
Our objective was to characterize T and B cell responses to vaccination with SARS-CoV-2 antigens in immunocompromised rheumatoid arthritis (RA) patients. In 22 RA patients, clinical and biological variables were analyzed before and 4 weeks after each of 3 messenger RNA (mRNA) vaccine doses and compared with unmatched healthy individuals. Sequentially sampled peripheral blood mononuclear cells and sera were collected to determine immune profiles and to analyze the T cell response to a spike peptide pool and B cell specificity to the receptor-binding domain (RBD). Anti-spike antibodies were detectable in 6 of 22 RA patients after 1 dose of vaccine with increasing titers after each booster dose, although the overall response was lower compared with that in healthy control individuals. Responding patients after the first dose were more likely to have RA antibodies and a higher baseline proportion of circulating follicular B cells. In RA patients, the mRNA vaccine elicited a robust CD4+ T response to a spike peptide pool following the first and second doses. Consistent with the serologies, RBD-specific B cells exhibited a modest increase after the first dose and the second dose resulted in marked increases only in a fraction of the RA patients to both ancestral and omicron RBD. Our results highlight the importance of multidose COVID-19 vaccination in RA patients to develop a protective humoral response. However, these patients rapidly develop specific T CD4+ responses, despite delayed B cell responses.
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Affiliation(s)
- Marc-André Limoges
- Department of Immunology and Cell Biology, Centre de Recherche du Centre Hospitalier de l’Université de Sherbrooke, 3001, 12th avenue N, Sherbrooke, PQ, Canada, J1H5N4
| | - Audrey Lortie
- Division of Rheumatology, Department of Medicine, Centre de Recherche du Centre Hospitalier de l’Université de Sherbrooke, 3001, 12th avenue N, Sherbrooke, PQ, Canada, J1H5N4
| | - Élodie Demontier
- Division of Rheumatology, Department of Medicine, Centre de Recherche du Centre Hospitalier de l’Université de Sherbrooke, 3001, 12th avenue N, Sherbrooke, PQ, Canada, J1H5N4
| | - Akouavi Julite Irmine Quenum
- Department of Immunology and Cell Biology, Centre de Recherche du Centre Hospitalier de l’Université de Sherbrooke, 3001, 12th avenue N, Sherbrooke, PQ, Canada, J1H5N4
| | - Félix Lessard
- Division of Rheumatology, Department of Medicine, Centre de Recherche du Centre Hospitalier de l’Université de Sherbrooke, 3001, 12th avenue N, Sherbrooke, PQ, Canada, J1H5N4
| | - Zacharie Drouin
- Division of Rheumatology, Department of Medicine, Centre de Recherche du Centre Hospitalier de l’Université de Sherbrooke, 3001, 12th avenue N, Sherbrooke, PQ, Canada, J1H5N4
| | - Nathalie Carrier
- Division of Rheumatology, Department of Medicine, Centre de Recherche du Centre Hospitalier de l’Université de Sherbrooke, 3001, 12th avenue N, Sherbrooke, PQ, Canada, J1H5N4
| | - Leopold Mbous Nguimbus
- Division of Rheumatology, Department of Medicine, Centre de Recherche du Centre Hospitalier de l’Université de Sherbrooke, 3001, 12th avenue N, Sherbrooke, PQ, Canada, J1H5N4
| | - Marie-Claude Beaulieu
- Department of Family and Emergency Medicine, Centre de Recherche du Centre Hospitalier de l’Université de Sherbrooke, 3001, 12th avenue N, Sherbrooke, PQ, Canada, J1H5N4
| | - Gilles Boire
- Division of Rheumatology, Department of Medicine, Centre de Recherche du Centre Hospitalier de l’Université de Sherbrooke, 3001, 12th avenue N, Sherbrooke, PQ, Canada, J1H5N4
| | - Alain Piché
- Division of Infectious Diseases, Department of Medicine, Centre de Recherche du Centre Hospitalier de l’Université de Sherbrooke, 3001, 12th avenue N, Sherbrooke, PQ, Canada, J1H5N4
- Department of Microbiology and Infectious Diseases, Université de Sherbrooke, 3001, 12th avenue N, Sherbrooke, PQ, Canada, J1H5N4
| | - Hugues Allard-Chamard
- Division of Rheumatology, Department of Medicine, Centre de Recherche du Centre Hospitalier de l’Université de Sherbrooke, 3001, 12th avenue N, Sherbrooke, PQ, Canada, J1H5N4
| | - Sheela Ramanathan
- Department of Immunology and Cell Biology, Centre de Recherche du Centre Hospitalier de l’Université de Sherbrooke, 3001, 12th avenue N, Sherbrooke, PQ, Canada, J1H5N4
| | - Sophie Roux
- Division of Rheumatology, Department of Medicine, Centre de Recherche du Centre Hospitalier de l’Université de Sherbrooke, 3001, 12th avenue N, Sherbrooke, PQ, Canada, J1H5N4
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29
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Gail DP, Suzart VG, Du W, Kaur Sandhu A, Jarvela J, Nantongo M, Mwebaza I, Panigrahi S, Freeman ML, Canaday DH, Boom WH, Silver RF, Carpenter SM. Mycobacterium tuberculosis impairs human memory CD4 + T cell recognition of M2 but not M1-like macrophages. iScience 2023; 26:107706. [PMID: 37694142 PMCID: PMC10485162 DOI: 10.1016/j.isci.2023.107706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 05/24/2023] [Accepted: 08/21/2023] [Indexed: 09/12/2023] Open
Abstract
Direct recognition of Mycobacterium tuberculosis (Mtb)-infected cells is required for protection by CD4+ T cells. While impaired T cell recognition of Mtb-infected macrophages was demonstrated in mice, data are lacking for humans. Using T cells and monocyte-derived macrophages (MDMs) from individuals with latent Mtb infection (LTBI), we quantified the frequency of memory CD4+ T cell activation in response to autologous MDMs infected with virulent Mtb. We observed robust T cell activation in response to Mtb infection of M1-like macrophages differentiated using GM-CSF, while M2-like macrophages differentiated using M-CSF were poorly recognized. However, non-infected GM-CSF and M-CSF MDMs loaded with exogenous antigens elicited similar CD4+ T cell activation. IL-10 was preferentially secreted by infected M-CSF MDMs, and neutralization improved T cell activation. These results suggest that preferential infection of macrophages with an M2-like phenotype limits T cell-mediated protection against Mtb. Vaccine development should focus on T cell recognition of Mtb-infected macrophages.
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Affiliation(s)
- Daniel P. Gail
- Division of Infectious Diseases and HIV Medicine, Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - Vinicius G. Suzart
- Division of Infectious Diseases and HIV Medicine, Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
- Biomedical Sciences Training Program, Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - Weinan Du
- Division of Infectious Diseases and HIV Medicine, Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - Avinaash Kaur Sandhu
- Division of Infectious Diseases and HIV Medicine, Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
- Biomedical Sciences Training Program, Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - Jessica Jarvela
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
- Department of Medicine, The Louis Stokes Cleveland V.A. Medical Center, Cleveland, OH 44106, USA
| | - Mary Nantongo
- Biomedical Sciences Training Program, Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - Ivan Mwebaza
- Division of Infectious Diseases and HIV Medicine, Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
- Biomedical Sciences Training Program, Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - Soumya Panigrahi
- Division of Infectious Diseases and HIV Medicine, Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - Michael L. Freeman
- Division of Infectious Diseases and HIV Medicine, Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
- Biomedical Sciences Training Program, Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - David H. Canaday
- Division of Infectious Diseases and HIV Medicine, Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
- Department of Medicine, The Louis Stokes Cleveland V.A. Medical Center, Cleveland, OH 44106, USA
| | - W. Henry Boom
- Division of Infectious Diseases and HIV Medicine, Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
- Biomedical Sciences Training Program, Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
- Division of Infectious Diseases and HIV Medicine, Department of Medicine, University Hospitals Cleveland Medical Center, Cleveland, OH 44139, USA
| | - Richard F. Silver
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
- Department of Medicine, The Louis Stokes Cleveland V.A. Medical Center, Cleveland, OH 44106, USA
| | - Stephen M. Carpenter
- Division of Infectious Diseases and HIV Medicine, Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
- Biomedical Sciences Training Program, Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
- Division of Infectious Diseases and HIV Medicine, Department of Medicine, University Hospitals Cleveland Medical Center, Cleveland, OH 44139, USA
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30
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Smith CL, Bednarchik B, Aung H, Wilk DJ, Boxer RS, Daddato AE, Wilson BM, Gravenstein S, Canaday DH. Humoral and Cellular Immunity Induced by Adjuvanted and Standard Trivalent Influenza Vaccine in Older Nursing Home Residents. J Infect Dis 2023; 228:704-714. [PMID: 36951196 DOI: 10.1093/infdis/jiad071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 03/07/2023] [Accepted: 03/21/2023] [Indexed: 03/24/2023] Open
Abstract
BACKGROUND Despite wide use of adjuvanted influenza vaccine in nursing home residents (NHR), little immunogenicity data exist for this population. METHODS We collected blood from NHR (n = 85) living in nursing homes participating in a cluster randomized clinical trial comparing MF59-adjuvanted trivalent inactivated influenza vaccine (aTIV) with nonadjuvanted vaccine (TIV) (parent trial, NCT02882100). NHR received either vaccine during the 2016-2017 influenza season. We assessed cellular and humoral immunity using flow cytometry and hemagglutinin inhibition, antineuraminidase (enzyme-linked lectin assay), and microneutralization assays. RESULTS Both vaccines were similarly immunogenic and induced antigen-specific antibodies and T cells, but aTIV specifically induced significantly larger 28 days after vaccination (D28) titers against A/H3N2 neuraminidase than TIV. CONCLUSIONS NHRs respond immunologically to TIV and aTIV. From these data, the larger aTIV-induced antineuraminidase response at D28 may help explain the increased clinical protection observed in the parent clinical trial for aTIV over TIV in NHR during the A/H3N2-dominant 2016-2017 influenza season. Additionally, a decline back to prevaccination titers at 6 months after vaccination emphasizes the importance of annual vaccination against influenza. CLINICAL TRIALS REGISTRATION NCT02882100.
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Affiliation(s)
- Carson L Smith
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH, USA
| | - Beth Bednarchik
- Department of Medicine, University Hospitals Case Medical Center, Cleveland, OH, USA
| | - Htin Aung
- Division of Infectious Diseases & HIV Medicine, Case Western Reserve University School of Medicine, Cleveland, OH, USA
| | - Dennis J Wilk
- Division of Infectious Diseases & HIV Medicine, Case Western Reserve University School of Medicine, Cleveland, OH, USA
| | - Rebecca S Boxer
- Institute for Health Research, Kaiser Permanente of Colorado, Aurora, CO, USA
| | - Andrea E Daddato
- Institute for Health Research, Kaiser Permanente of Colorado, Aurora, CO, USA
| | - Brigid M Wilson
- Geriatric Research, Education and Clinical Center, Louis Stokes Veterans Affairs Northeast Ohio Healthcare System, Cleveland, OH, USA
- Division of Infectious Diseases and HIV Medicine, Case Western Reserve School of Medicine, Cleveland, OH, USA
| | - Stefan Gravenstein
- Division of Geriatrics and Palliative Medicine, Warren Alpert Medical School of Brown University, Providence, RI, USA
- Center on Innovation in Long-Term Services and Supports, Providence Veterans Administration Medical Center, Providence, RI, USA
| | - David H Canaday
- Division of Infectious Diseases & HIV Medicine, Case Western Reserve University School of Medicine, Cleveland, OH, USA
- Geriatric Research, Education and Clinical Center, Louis Stokes Veterans Affairs Northeast Ohio Healthcare System, Cleveland, OH, USA
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31
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Dubé M, Tastet O, Dufour C, Sannier G, Brassard N, Delgado GG, Pagliuzza A, Richard C, Nayrac M, Routy JP, Prat A, Estes JD, Fromentin R, Chomont N, Kaufmann DE. Spontaneous HIV expression during suppressive ART is associated with the magnitude and function of HIV-specific CD4 + and CD8 + T cells. Cell Host Microbe 2023; 31:1507-1522.e5. [PMID: 37708853 PMCID: PMC10542967 DOI: 10.1016/j.chom.2023.08.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 06/01/2023] [Accepted: 08/11/2023] [Indexed: 09/16/2023]
Abstract
Spontaneous transcription and translation of HIV can persist during suppressive antiretroviral therapy (ART). The quantity, phenotype, and biological relevance of this spontaneously "active" reservoir remain unclear. Using multiplexed single-cell RNAflow-fluorescence in situ hybridization (FISH), we detect active HIV transcription in 14/18 people with HIV on suppressive ART, with a median of 28/million CD4+ T cells. While these cells predominantly exhibit abortive transcription, p24-expressing cells are evident in 39% of participants. Phenotypically diverse, active reservoirs are enriched in central memory T cells and CCR6- and activation-marker-expressing cells. The magnitude of the active reservoir positively correlates with total HIV-specific CD4+ and CD8+ T cell responses and with multiple HIV-specific T cell clusters identified by unsupervised analysis. These associations are particularly strong with p24-expressing active reservoir cells. Single-cell vDNA sequencing shows that active reservoirs are largely dominated by defective proviruses. Our data suggest that these reservoirs maintain HIV-specific CD4+ and CD8+ T responses during suppressive ART.
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Affiliation(s)
- Mathieu Dubé
- Department of Immunopathology, Research Centre of the Centre Hospitalier de l'Université de Montréal (CRCHUM), Montreal, QC H2X 0A9, Canada.
| | - Olivier Tastet
- Department of Immunopathology, Research Centre of the Centre Hospitalier de l'Université de Montréal (CRCHUM), Montreal, QC H2X 0A9, Canada
| | - Caroline Dufour
- Department of Immunopathology, Research Centre of the Centre Hospitalier de l'Université de Montréal (CRCHUM), Montreal, QC H2X 0A9, Canada; Department of Microbiology, Infectious Diseases and Immunology, Faculty of Medicine, Université de Montréal, Montreal, QC H3C 3J7, Canada
| | - Gérémy Sannier
- Department of Immunopathology, Research Centre of the Centre Hospitalier de l'Université de Montréal (CRCHUM), Montreal, QC H2X 0A9, Canada; Department of Microbiology, Infectious Diseases and Immunology, Faculty of Medicine, Université de Montréal, Montreal, QC H3C 3J7, Canada
| | - Nathalie Brassard
- Department of Immunopathology, Research Centre of the Centre Hospitalier de l'Université de Montréal (CRCHUM), Montreal, QC H2X 0A9, Canada
| | - Gloria-Gabrielle Delgado
- Department of Immunopathology, Research Centre of the Centre Hospitalier de l'Université de Montréal (CRCHUM), Montreal, QC H2X 0A9, Canada
| | - Amélie Pagliuzza
- Department of Immunopathology, Research Centre of the Centre Hospitalier de l'Université de Montréal (CRCHUM), Montreal, QC H2X 0A9, Canada
| | - Corentin Richard
- Department of Immunopathology, Research Centre of the Centre Hospitalier de l'Université de Montréal (CRCHUM), Montreal, QC H2X 0A9, Canada
| | - Manon Nayrac
- Department of Immunopathology, Research Centre of the Centre Hospitalier de l'Université de Montréal (CRCHUM), Montreal, QC H2X 0A9, Canada
| | - Jean-Pierre Routy
- Chronic Viral Illnesses Service and Division of Hematology, McGill University Health Centre (CUSM), Montreal, QC H4A 3J1, Canada; Infectious Diseases and Immunity in Global Health Program, Research Institute, McGill University Health Centre, Montreal, QC H4A 3J1, Canada
| | - Alexandre Prat
- Department of Immunopathology, Research Centre of the Centre Hospitalier de l'Université de Montréal (CRCHUM), Montreal, QC H2X 0A9, Canada; Department of Neurosciences, Faculty of Medicine, Université de Montréal, Montréal, QC H3C 3J7, Canada
| | - Jacob D Estes
- Vaccine and Gene Therapy Institute, Oregon Health & Science University, Beaverton, OR 97006, USA; Oregon National Primate Research Center, Oregon Health & Science University, Beaverton, OR 97006, USA
| | - Rémi Fromentin
- Department of Immunopathology, Research Centre of the Centre Hospitalier de l'Université de Montréal (CRCHUM), Montreal, QC H2X 0A9, Canada
| | - Nicolas Chomont
- Department of Immunopathology, Research Centre of the Centre Hospitalier de l'Université de Montréal (CRCHUM), Montreal, QC H2X 0A9, Canada; Department of Microbiology, Infectious Diseases and Immunology, Faculty of Medicine, Université de Montréal, Montreal, QC H3C 3J7, Canada
| | - Daniel E Kaufmann
- Department of Immunopathology, Research Centre of the Centre Hospitalier de l'Université de Montréal (CRCHUM), Montreal, QC H2X 0A9, Canada; Department of Microbiology, Infectious Diseases and Immunology, Faculty of Medicine, Université de Montréal, Montreal, QC H3C 3J7, Canada; Division of Infectious Diseases, Department of Medicine, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland.
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32
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Takata H, Mitchell JL, Pacheco J, Pagliuzza A, Pinyakorn S, Buranapraditkun S, Sacdalan C, Leyre L, Nathanson S, Kakazu JC, Intasan J, Prueksakaew P, Chomchey N, Phanuphak N, de Souza M, Haddad EK, Rolland M, Tovanabutra S, Vasan S, Hsu DC, Chomont N, Trautmann L. An active HIV reservoir during ART is associated with maintenance of HIV-specific CD8 + T cell magnitude and short-lived differentiation status. Cell Host Microbe 2023; 31:1494-1506.e4. [PMID: 37708852 PMCID: PMC10564289 DOI: 10.1016/j.chom.2023.08.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 06/02/2023] [Accepted: 08/14/2023] [Indexed: 09/16/2023]
Abstract
Before initiation of antiretroviral therapy (ART), HIV-specific CD8+ T cells are dysfunctional and short lived. To better understand the relationship between the HIV reservoir in CD4+ T cells and the magnitude and differentiation status of HIV-specific CD8+ T cells, we investigated these cells from acute and chronic HIV-infected individuals after 2 years of ART. Although both the HIV reservoir and the CD8+ T cell responses declined significantly after 2 years of ART, sustained HIV-specific CD8+ T cell responses correlated with a greater reduction of integrated HIV provirus. However, the magnitude of CD8+ T cells specific for HIV Gag, Pol, Nef, and Vif proteins positively associated with the active reservoir size during ART, measured as cell-associated RNA. Importantly, high HIV DNA levels strongly associate with maintenance of short-lived HIV-specific CD8+ T cells, regardless of ART initiation time. Our data suggest that the active reservoir maintains HIV-specific CD8+ T cell magnitude but prevents their differentiation into functional cells.
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Affiliation(s)
- Hiroshi Takata
- Vaccine and Gene Therapy Institute, Oregon Health & Science University, Beaverton, OR 97006, USA; U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA; Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD 20817, USA
| | - Julie L Mitchell
- Vaccine and Gene Therapy Institute, Oregon Health & Science University, Beaverton, OR 97006, USA; U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA; Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD 20817, USA
| | - Julian Pacheco
- Vaccine and Gene Therapy Institute, Oregon Health & Science University, Beaverton, OR 97006, USA
| | - Amélie Pagliuzza
- Centre de Recherche du CHUM and Department of Microbiology, Infectiology and Immunology, Université de Montréal, Montréal, QC, Canada
| | - Suteeraporn Pinyakorn
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA; Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD 20817, USA
| | | | - Carlo Sacdalan
- SEARCH Research Foundation, Bangkok, Thailand; Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Louise Leyre
- Centre de Recherche du CHUM and Department of Microbiology, Infectiology and Immunology, Université de Montréal, Montréal, QC, Canada
| | - Sam Nathanson
- Vaccine and Gene Therapy Institute, Oregon Health & Science University, Beaverton, OR 97006, USA
| | - Juyeon C Kakazu
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA; Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD 20817, USA
| | | | | | | | | | | | - Elias K Haddad
- Department of Medicine, Division of Infectious Diseases and HIV Medicine, Drexel University, Philadelphia, PA 19102, USA
| | - Morgane Rolland
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA; Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD 20817, USA
| | - Sodsai Tovanabutra
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA; Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD 20817, USA
| | - Sandhya Vasan
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA; Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD 20817, USA
| | - Denise C Hsu
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA; Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD 20817, USA
| | - Nicolas Chomont
- Centre de Recherche du CHUM and Department of Microbiology, Infectiology and Immunology, Université de Montréal, Montréal, QC, Canada
| | - Lydie Trautmann
- Vaccine and Gene Therapy Institute, Oregon Health & Science University, Beaverton, OR 97006, USA; U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA; Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD 20817, USA.
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33
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Namuniina A, Muyanja ES, Biribawa VM, Okech BA, Ssemaganda A, Price MA, Hills N, Nanteza A, Bagaya BS, Weiskopf D, Riou C, Reynolds SJ, Galiwango RM, Redd AD. Proportion of Ugandans with pre-pandemic SARS-CoV-2 cross-reactive CD4+ and CD8+ T-cell responses: A pilot study. PLOS GLOBAL PUBLIC HEALTH 2023; 3:e0001566. [PMID: 37585383 PMCID: PMC10431628 DOI: 10.1371/journal.pgph.0001566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Accepted: 07/12/2023] [Indexed: 08/18/2023]
Abstract
The estimated mortality rate of the SARS-CoV-2 pandemic varied greatly around the world. In particular, multiple countries in East, Central, and West Africa had significantly lower rates of COVID-19 related fatalities than many resource-rich nations with significantly earlier wide-spread access to life-saving vaccines. One possible reason for this lower mortality could be the presence of pre-existing cross-reactive immunological responses in these areas of the world. To explore this hypothesis, an exploratory study of stored peripheral blood mononuclear cells (PBMC) from Ugandans collected from 2015-2017 prior to the COVID-19 pandemic (n = 29) and from hospitalized Ugandan COVID-19 patients (n = 3) were examined using flow-cytometry for the presence of pre-existing SARS-CoV-2 cross-reactive CD4+ and CD8+ T-cell populations using four T-cell epitope mega pools. Of pre-pandemic participants, 89.7% (26/29) had either CD4+ or CD8+, or both, SARS-CoV-2 specific T-cell responses. Specifically, CD4+ T-cell reactivity (72.4%) and CD8+ T-cell reactivity (65.5%) were relatively similar, and 13 participants (44.8%) had both types of cross-reactive types of T-cells present. There were no significant differences in response by sex in the population, however this may be in part due to the limited sample size examined. The rates of cross-reactive T-cell populations in this exploratory Ugandan population appears higher than previous estimates from resource-rich countries like the United States (20-50% reactivity). It is unclear what role, if any, this cross-reactivity played in decreasing COVID-19 related mortality in Uganda and other African countries, but does suggest that a better understanding of global pre-existing immunological cross-reactivity could be an informative data of epidemiological intelligence moving forward.
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Affiliation(s)
| | - Enoch S. Muyanja
- PATRU, School of Medicine, Emory University, Atlanta, Georgia, United States of America
| | | | | | - Aloysious Ssemaganda
- Rady Faculty of Health Sciences, Department of Medical Microbiology and Infectious Diseases, Max Rady College of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Matt A. Price
- IAVI, New York, New York, United States of America
- Department of Epidemiology and Biostatistics, University of California San Francisco, San Francisco, California, United States of America
| | - Nancy Hills
- Department of Epidemiology and Biostatistics, University of California San Francisco, San Francisco, California, United States of America
- Department of Neurology, University of California San Francisco, San Francisco, California, United States of America
| | - Ann Nanteza
- College of Veterinary Medicine, Animal Resources & Bio-security, Makerere University, Kampala, Uganda
| | - Bernard Ssentalo Bagaya
- Department of Immunology and Molecular Biology, College of Health Sciences, School of Biomedical Sciences, Makerere University, Kampala, Uganda
- Integrated Biorepository of H3-Africa-Uganda (IBRH3AU), COVID-19 Biobank (COV-BANK), College of Health Sciences, Makerere University, Kampala, Uganda
| | - Daniela Weiskopf
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, California, United States of America
| | - Catherine Riou
- Department of Pathology, Division of Medical Virology, University of Cape Town, Cape Town, South Africa
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa
| | - Steven J. Reynolds
- Division of Intramural Research, NIAID, NIH, Baltimore Maryland, United States of America
- Division of Infectious Diseases, Johns Hopkins School of Medicine, Baltimore, Maryland, United States of America
- Rakai Health Sciences Program, Kalisizo, Uganda
| | | | - Andrew D. Redd
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa
- Division of Intramural Research, NIAID, NIH, Baltimore Maryland, United States of America
- Division of Infectious Diseases, Johns Hopkins School of Medicine, Baltimore, Maryland, United States of America
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Krause RGE, Moyo-Gwete T, Richardson SI, Makhado Z, Manamela NP, Hermanus T, Mkhize NN, Keeton R, Benede N, Mennen M, Skelem S, Karim F, Khan K, Riou C, Ntusi NAB, Goga A, Gray G, Hanekom W, Garrett N, Bekker LG, Groll A, Sigal A, Moore PL, Burgers WA, Leslie A. Infection pre-Ad26.COV2.S-vaccination primes greater class switching and reduced CXCR5 expression by SARS-CoV-2-specific memory B cells. NPJ Vaccines 2023; 8:119. [PMID: 37573434 PMCID: PMC10423246 DOI: 10.1038/s41541-023-00724-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Accepted: 08/04/2023] [Indexed: 08/14/2023] Open
Abstract
Neutralizing antibodies strongly correlate with protection for COVID-19 vaccines, but the corresponding memory B cells that form to protect against future infection are relatively understudied. Here we examine the effect of prior SARS-CoV-2 infection on the magnitude and phenotype of the memory B cell response to single dose Johnson and Johnson (Ad26.COV2.S) vaccination in South African health care workers. Participants were either naïve to SARS-CoV-2 or had been infected before vaccination. SARS-CoV-2-specific memory B-cells expand in response to Ad26.COV2.S and are maintained for the study duration (84 days) in all individuals. However, prior infection is associated with a greater frequency of these cells, a significant reduction in expression of the germinal center chemokine receptor CXCR5, and increased class switching. These B cell features correlated with neutralization and antibody-dependent cytotoxicity (ADCC) activity, and with the frequency of SARS-CoV-2 specific circulating T follicular helper cells (cTfh). Vaccination-induced effective neutralization of the D614G variant in both infected and naïve participants but boosted neutralizing antibodies against the Beta and Omicron variants only in participants with prior infection. In addition, the SARS-CoV-2 specific CD8+ T cell response correlated with increased memory B cell expression of the lung-homing receptor CXCR3, which was sustained in the previously infected group. Finally, although vaccination achieved equivalent B cell activation regardless of infection history, it was negatively impacted by age. These data show that phenotyping the response to vaccination can provide insight into the impact of prior infection on memory B cell homing, CSM, cTfh, and neutralization activity. These data can provide early signals to inform studies of vaccine boosting, durability, and co-morbidities.
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Affiliation(s)
- Robert G E Krause
- Africa Health Research Institute, Durban, 4001, South Africa
- School of Laboratory Medicine and Medical Sciences, University of KwaZulu-Natal, Durban, 4001, South Africa
| | - Thandeka Moyo-Gwete
- National Institute for Communicable Diseases of the National Health Laboratory Services, Johannesburg, South Africa
- MRC Antibody Immunity Research Unit, School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Simone I Richardson
- National Institute for Communicable Diseases of the National Health Laboratory Services, Johannesburg, South Africa
- MRC Antibody Immunity Research Unit, School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Zanele Makhado
- National Institute for Communicable Diseases of the National Health Laboratory Services, Johannesburg, South Africa
- MRC Antibody Immunity Research Unit, School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Nelia P Manamela
- National Institute for Communicable Diseases of the National Health Laboratory Services, Johannesburg, South Africa
- MRC Antibody Immunity Research Unit, School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Tandile Hermanus
- National Institute for Communicable Diseases of the National Health Laboratory Services, Johannesburg, South Africa
- MRC Antibody Immunity Research Unit, School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Nonhlanhla N Mkhize
- National Institute for Communicable Diseases of the National Health Laboratory Services, Johannesburg, South Africa
- MRC Antibody Immunity Research Unit, School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Roanne Keeton
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Observatory, South Africa
- Division of Medical Virology, Department of Pathology, University of Cape Town, Observatory, South Africa
| | - Ntombi Benede
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Observatory, South Africa
- Division of Medical Virology, Department of Pathology, University of Cape Town, Observatory, South Africa
| | - Mathilda Mennen
- Department of Medicine, University of Cape Town and Groote Schuur Hospital, Observatory, South Africa
| | - Sango Skelem
- Department of Medicine, University of Cape Town and Groote Schuur Hospital, Observatory, South Africa
| | - Farina Karim
- Africa Health Research Institute, Durban, 4001, South Africa
- School of Laboratory Medicine and Medical Sciences, University of KwaZulu-Natal, Durban, 4001, South Africa
| | - Khadija Khan
- Africa Health Research Institute, Durban, 4001, South Africa
- School of Laboratory Medicine and Medical Sciences, University of KwaZulu-Natal, Durban, 4001, South Africa
| | - Catherine Riou
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Observatory, South Africa
- Division of Medical Virology, Department of Pathology, University of Cape Town, Observatory, South Africa
- Wellcome Centre for Infectious Diseases Research in Africa, University of Cape Town, Observatory, South Africa
| | - Ntobeko A B Ntusi
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Observatory, South Africa
- Department of Medicine, University of Cape Town and Groote Schuur Hospital, Observatory, South Africa
- Hatter Institute for Cardiovascular Research in Africa, Faculty of Health Sciences, University of Cape Town, Observatory, South Africa
| | - Ameena Goga
- South African Medical Research Council, Cape Town, South Africa
| | - Glenda Gray
- South African Medical Research Council, Cape Town, South Africa
| | - Willem Hanekom
- Africa Health Research Institute, Durban, 4001, South Africa
- Division of Infection and Immunity, University College London, London, WC1E 6BT, UK
| | - Nigel Garrett
- Centre for the AIDS Program of Research in South Africa, Durban, South Africa
- Discipline of Public Health Medicine, School of Nursing and Public Health, University of KwaZulu-Natal, Durban, South Africa
| | - Linda-Gail Bekker
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Observatory, South Africa
- Desmond Tutu HIV Centre, Cape Town, South Africa
| | - Andreas Groll
- Department of Statistics, TU Dortmund University, Dortmund, Germany
| | - Alex Sigal
- Africa Health Research Institute, Durban, 4001, South Africa
- School of Laboratory Medicine and Medical Sciences, University of KwaZulu-Natal, Durban, 4001, South Africa
- Centre for the AIDS Program of Research in South Africa, Durban, South Africa
- Max Planck Institute for Infection Biology, Berlin, 10117, Germany
| | - Penny L Moore
- National Institute for Communicable Diseases of the National Health Laboratory Services, Johannesburg, South Africa
- MRC Antibody Immunity Research Unit, School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Observatory, South Africa
- Centre for the AIDS Program of Research in South Africa, Durban, South Africa
| | - Wendy A Burgers
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Observatory, South Africa
- Division of Medical Virology, Department of Pathology, University of Cape Town, Observatory, South Africa
- Wellcome Centre for Infectious Diseases Research in Africa, University of Cape Town, Observatory, South Africa
| | - Alasdair Leslie
- Africa Health Research Institute, Durban, 4001, South Africa.
- Division of Infection and Immunity, University College London, London, WC1E 6BT, UK.
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Rybkina K, Bell JN, Bradley MC, Wohlbold T, Scafuro M, Meng W, Korenberg RC, Davis-Porada J, Anderson BR, Weller RJ, Milner JD, Moscona A, Porotto M, Luning Prak ET, Pethe K, Connors TJ, Farber DL. SARS-CoV-2 infection and recovery in children: Distinct T cell responses in MIS-C compared to COVID-19. J Exp Med 2023; 220:e20221518. [PMID: 37133746 PMCID: PMC10163842 DOI: 10.1084/jem.20221518] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 02/09/2023] [Accepted: 04/07/2023] [Indexed: 05/04/2023] Open
Abstract
SARS-CoV-2 infection for most children results in mild or minimal symptoms, though in rare cases severe disease can develop, including a multisystem inflammatory syndrome (MIS-C) with myocarditis. Here, we present longitudinal profiling of immune responses during acute disease and following recovery in children who developed MIS-C, relative to children who experienced more typical symptoms of COVID-19. T cells in acute MIS-C exhibited transient signatures of activation, inflammation, and tissue residency which correlated with cardiac disease severity, while T cells in acute COVID-19 upregulated markers of follicular helper T cells for promoting antibody production. The resultant memory immune response in recovery showed increased frequencies of virus-specific memory T cells with pro-inflammatory functions in children with prior MIS-C compared to COVID-19 while both cohorts generated comparable antibody responses. Together our results reveal distinct effector and memory T cell responses in pediatric SARS-CoV-2 infection delineated by clinical syndrome, and a potential role for tissue-derived T cells in the immune pathology of systemic disease.
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Affiliation(s)
- Ksenia Rybkina
- Department of Microbiology and Immunology, Columbia University Irving Medical Center, New York, NY, USA
| | - Joseph N. Bell
- Department of Pediatrics, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
| | - Marissa C. Bradley
- Department of Pediatrics, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
| | - Teddy Wohlbold
- Department of Pediatrics, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
| | - Marika Scafuro
- Department of Pediatrics, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
| | - Wenzhao Meng
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Rebecca C. Korenberg
- Department of Pediatrics, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
| | - Julia Davis-Porada
- Department of Microbiology and Immunology, Columbia University Irving Medical Center, New York, NY, USA
| | - Brett R. Anderson
- Department of Pediatrics, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
| | - Rachel J. Weller
- Department of Pediatrics, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
| | - Joshua D. Milner
- Department of Pediatrics, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
| | - Anne Moscona
- Department of Microbiology and Immunology, Columbia University Irving Medical Center, New York, NY, USA
- Department of Pediatrics, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
| | - Matteo Porotto
- Department of Pediatrics, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
| | - Eline T. Luning Prak
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Kalpana Pethe
- Department of Pediatrics, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
| | - Thomas J. Connors
- Department of Pediatrics, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
| | - Donna L. Farber
- Department of Microbiology and Immunology, Columbia University Irving Medical Center, New York, NY, USA
- Department of Surgery, Columbia Irving University Medical Center, New York, NY, USA
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36
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Augello M, Bono V, Rovito R, Tincati C, d'Arminio Monforte A, Marchetti G. Six-month immune responses to mRNA-1273 vaccine in combination antiretroviral therapy treated late presenter people with HIV according to previous SARS-CoV-2 infection. AIDS 2023; 37:1503-1517. [PMID: 37199415 PMCID: PMC10355808 DOI: 10.1097/qad.0000000000003585] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 04/15/2023] [Indexed: 05/19/2023]
Abstract
OBJECTIVE Immune responses to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) mRNA vaccines in people with HIV (PWH) with a history of late presentation (LP) and their durability have not been fully characterized. DESIGN In this prospective, longitudinal study, we sought to assess T-cell and humoral responses to SARS-CoV-2 mRNA vaccination up to 6 months in LP-PWH on effective combination antiretroviral therapy (cART) as compared to HIV-negative healthcare workers (HCWs), and to evaluate whether previous SARS-CoV-2 infection modulates immune responses to vaccine. METHODS SARS-CoV-2 spike (S)-specific T-cell responses were determined by two complementary flow cytometry methodologies, namely activation-induced marker (AIM) assay and intracellular cytokine staining (ICS), whereas humoral responses were measured by ELISA [anti-receptor binding domain (RBD) antibodies) and receptor-binding inhibition assay (spike-ACE2 binding inhibition activity), before vaccination (T0), 1 month (T1) and 5 months (T2) after the second dose. RESULTS LP-PWH showed at T1 and T2 significant increase of: S-specific memory and circulating T follicular helper (cTfh) CD4 + T cells; polyfunctional Th1-cytokine (IFN-γ, TNF-α, IL-2)- and Th2-cytokine (IL-4)-producing S-specific CD4 + T cells; anti-RBD antibodies and spike-ACE2 binding inhibition activity. Immune responses to vaccine in LP-PWH were not inferior to HCWs overall, yet S-specific CD8 + T cells and spike-ACE2 binding inhibition activity correlated negatively with markers of immune recovery on cART. Interestingly, natural SARS-CoV-2 infection, while able to sustain S-specific antibody response, seems less efficacious in inducing a T-cell memory and in boosting immune responses to vaccine, possibly reflecting an enduring partial immunodeficiency. CONCLUSIONS Altogether, these findings support the need for additional vaccine doses in PWH with a history of advanced immune depression and poor immune recovery on effective cART.
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Affiliation(s)
- Matteo Augello
- Clinic of Infectious Diseases and Tropical Medicine, San Paolo Hospital, ASST Santi Paolo e Carlo, Department of Health Sciences, University of Milan, Milan, Italy
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37
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Faust MA, Rasé VJ, Lamb TJ, Evavold BD. What's the Catch? The Significance of Catch Bonds in T Cell Activation. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2023; 211:333-342. [PMID: 37459191 PMCID: PMC10732538 DOI: 10.4049/jimmunol.2300141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 04/21/2023] [Indexed: 07/20/2023]
Abstract
One of the main goals in T cell biology has been to investigate how TCR recognition of peptide:MHC (pMHC) determines T cell phenotype and fate. Ag recognition is required to facilitate survival, expansion, and effector function of T cells. Historically, TCR affinity for pMHC has been used as a predictor for T cell fate and responsiveness, but there have now been several examples of nonfunctional high-affinity clones and low-affinity highly functional clones. Recently, more attention has been paid to the TCR being a mechanoreceptor where the key biophysical determinant is TCR bond lifetime under force. As outlined in this review, the fundamental parameters between the TCR and pMHC that control Ag recognition and T cell triggering are affinity, bond lifetime, and the amount of force at which the peak lifetime occurs.
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Affiliation(s)
- Michael A Faust
- Division of Microbiology and Immunology, Department of Pathology, University of Utah, Salt Lake City, UT
| | - Viva J Rasé
- Division of Microbiology and Immunology, Department of Pathology, University of Utah, Salt Lake City, UT
| | - Tracey J Lamb
- Division of Microbiology and Immunology, Department of Pathology, University of Utah, Salt Lake City, UT
| | - Brian D Evavold
- Division of Microbiology and Immunology, Department of Pathology, University of Utah, Salt Lake City, UT
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38
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Chen M, Venturi V, Munier CML. Dissecting the Protective Effect of CD8 + T Cells in Response to SARS-CoV-2 mRNA Vaccination and the Potential Link with Lymph Node CD8 + T Cells. BIOLOGY 2023; 12:1035. [PMID: 37508464 PMCID: PMC10376827 DOI: 10.3390/biology12071035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 07/04/2023] [Accepted: 07/18/2023] [Indexed: 07/30/2023]
Abstract
SARS-CoV-2 vaccines have played a crucial role in effectively reducing COVID-19 disease severity, with a new generation of vaccines that use messenger RNA (mRNA) technology being administered globally. Neutralizing antibodies have featured as the heroes of vaccine-induced immunity. However, vaccine-elicited CD8+ T cells may have a significant impact on the early protective effects of the mRNA vaccine, which are evident 12 days after initial vaccination. Vaccine-induced CD8+ T cells have been shown to respond to multiple epitopes of SARS-CoV-2 and exhibit polyfunctionality in the periphery at the early stage, even when neutralizing antibodies are scarce. Furthermore, SARS-CoV-2 mRNA vaccines induce diverse subsets of memory CD8+ T cells that persist for more than six months following vaccination. However, the protective role of CD8+ T cells in response to the SARS-CoV-2 mRNA vaccines remains a topic of debate. In addition, our understanding of CD8+ T cells in response to vaccination in the lymph nodes, where they first encounter antigen, is still limited. This review delves into the current knowledge regarding the protective role of polyfunctional CD8+ T cells in controlling the virus, the response to SARS-CoV-2 mRNA vaccines, and the contribution to supporting B cell activity and promoting immune protection in the lymph nodes.
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Affiliation(s)
- Mengfei Chen
- The Kirby Institute, UNSW, Sydney, NSW 2052, Australia
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39
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Law JC, Watts TH. Considerations for Choosing T Cell Assays during a Pandemic. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2023; 211:169-174. [PMID: 37399079 DOI: 10.4049/jimmunol.2300129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 03/15/2023] [Indexed: 07/05/2023]
Abstract
The appropriate immunosurveillance tools are foundational for the creation of therapeutics, vaccines, and containment strategies when faced with outbreaks of novel pathogens. During the COVID-19 pandemic, there was an urgent need to rapidly assess immune memory following infection or vaccination. Although there have been attempts to standardize cellular assays more broadly, methods for measuring cell-mediated immunity remain variable across studies. Commonly used methods include ELISPOT, intracellular cytokine staining, activation-induced markers, cytokine secretion assays, and peptide-MHC tetramer staining. Although each assay offers unique and complementary information on the T cell response, there are challenges associated with standardizing these assays. The choice of assay can be driven by sample size, the need for high throughput, and the information sought. A combination of approaches may be optimal. This review describes the benefits and limitations of commonly used methods for assessing T cell immunity across SARS-CoV-2 studies.
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Affiliation(s)
- Jaclyn C Law
- Department of Immunology, University of Toronto, Toronto, Ontario, Canada
| | - Tania H Watts
- Department of Immunology, University of Toronto, Toronto, Ontario, Canada
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40
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Federico L, Tvedt THA, Gainullin M, Osen JR, Chaban V, Lund KP, Tietze L, Tran TT, Lund-Johansen F, Kared H, Lind A, Vaage JT, Stratford R, Tennøe S, Malone B, Clancy T, Myhre AEL, Gedde-Dahl T, Munthe LA. Robust spike-specific CD4 + and CD8 + T cell responses in SARS-CoV-2 vaccinated hematopoietic cell transplantation recipients: a prospective, cohort study. Front Immunol 2023; 14:1210899. [PMID: 37503339 PMCID: PMC10369799 DOI: 10.3389/fimmu.2023.1210899] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Accepted: 06/13/2023] [Indexed: 07/29/2023] Open
Abstract
Poor overall survival of hematopoietic stem cell transplantation (HSCT) recipients who developed COVID-19 underlies the importance of SARS-CoV-2 vaccination. Previous studies of vaccine efficacy have reported weak humoral responses but conflicting results on T cell immunity. Here, we have examined the relationship between humoral and T cell response in 48 HSCT recipients who received two doses of Moderna's mRNA-1273 or Pfizer/BioNTech's BNT162b2 vaccines. Nearly all HSCT patients had robust T cell immunity regardless of protective humoral responses, with 18/48 (37%, IQR 8.679-5601 BAU/mL) displaying protective IgG anti-receptor binding domain (RBD) levels (>2000 BAU/mL). Flow cytometry analysis of activation induced markers (AIMs) revealed that 90% and 74% of HSCT patients showed reactivity towards immunodominant spike peptides in CD8+ and CD4+ T cells, respectively. The response rate increased to 90% for CD4+ T cells as well when we challenged the cells with a complete set of overlapping peptides spanning the entire spike protein. T cell response was detectable as early as 3 months after transplant, but only CD4+ T cell reactivity correlated with IgG anti-RBD level and time after transplantation. Boosting increased seroconversion rate, while only one patient developed COVID-19 requiring hospitalization. Our data suggest that HSCT recipients with poor serological responses were protected from severe COVID-19 by vaccine-induced T cell responses.
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Affiliation(s)
- Lorenzo Federico
- Department of Immunology, Oslo University Hospital, Oslo, Norway
- KG Jebsen Centre for B Cell Malignancies, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | | | - Murat Gainullin
- Department of Immunology, Oslo University Hospital, Oslo, Norway
- KG Jebsen Centre for B Cell Malignancies, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Julie Røkke Osen
- Department of Immunology, Oslo University Hospital, Oslo, Norway
- KG Jebsen Centre for B Cell Malignancies, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Viktoriia Chaban
- Department of Immunology, Oslo University Hospital, Oslo, Norway
- KG Jebsen Centre for B Cell Malignancies, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Katrine Persgård Lund
- Department of Immunology, Oslo University Hospital, Oslo, Norway
- KG Jebsen Centre for B Cell Malignancies, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Lisa Tietze
- Department of Immunology, Oslo University Hospital, Oslo, Norway
- ImmunoLingo Convergence Center, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Trung The Tran
- Department of Immunology, Oslo University Hospital, Oslo, Norway
- ImmunoLingo Convergence Center, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Fridtjof Lund-Johansen
- Department of Immunology, Oslo University Hospital, Oslo, Norway
- ImmunoLingo Convergence Center, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Hassen Kared
- Department of Immunology, Oslo University Hospital, Oslo, Norway
- KG Jebsen Centre for B Cell Malignancies, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Andreas Lind
- Department of Microbiology, Oslo University Hospital, Oslo, Norway
| | - John Torgils Vaage
- ImmunoLingo Convergence Center, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | | | | | | | | | - Anders Eivind Leren Myhre
- Department of Haematology, Oslo University Hospital, Oslo, Norway
- ImmunoLingo Convergence Center, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | | | - Ludvig André Munthe
- Department of Immunology, Oslo University Hospital, Oslo, Norway
- KG Jebsen Centre for B Cell Malignancies, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
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41
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Poloni C, Schonhofer C, Ivison S, Levings MK, Steiner TS, Cook L. T-cell activation-induced marker assays in health and disease. Immunol Cell Biol 2023; 101:491-503. [PMID: 36825901 PMCID: PMC10952637 DOI: 10.1111/imcb.12636] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 02/18/2023] [Accepted: 02/22/2023] [Indexed: 02/25/2023]
Abstract
Activation-induced marker (AIM) assays have proven to be an accessible and rapid means of antigen-specific T-cell detection. The method typically involves short-term incubation of whole blood or peripheral blood mononuclear cells with antigens of interest, where autologous antigen-presenting cells process and present peptides in complex with major histocompatibility complex (MHC) molecules. Recognition of peptide-MHC complexes by T-cell receptors then induces upregulation of activation markers on the T cells that can be detected by flow cytometry. In this review, we highlight the most widely used activation markers for assays in the literature while identifying nuances and potential downfalls associated with the technique. We provide a summary of how AIM assays have been used in both discovery science and clinical studies, including studies of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) immunity. This review primarily focuses on AIM assays using human blood or peripheral blood mononuclear cell samples, with some considerations noted for tissue-derived T cells and nonhuman samples. AIM assays are a powerful tool that enables detailed analysis of antigen-specific T-cell frequency, phenotype and function without needing to know the precise antigenic peptides and their MHC restriction elements, enabling a wider analysis of immunity generated following infection and/or vaccination.
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Affiliation(s)
- Chad Poloni
- Division of Infectious Diseases, Department of MedicineUniversity of British ColumbiaVancouverBCCanada
- BC Children's Hospital Research InstituteVancouverBCCanada
| | - Cole Schonhofer
- Division of Infectious Diseases, Department of MedicineUniversity of British ColumbiaVancouverBCCanada
- BC Children's Hospital Research InstituteVancouverBCCanada
| | - Sabine Ivison
- BC Children's Hospital Research InstituteVancouverBCCanada
- Department of SurgeryUniversity of British ColumbiaVancouverBCCanada
| | - Megan K Levings
- BC Children's Hospital Research InstituteVancouverBCCanada
- Department of SurgeryUniversity of British ColumbiaVancouverBCCanada
| | - Theodore S Steiner
- Division of Infectious Diseases, Department of MedicineUniversity of British ColumbiaVancouverBCCanada
- BC Children's Hospital Research InstituteVancouverBCCanada
| | - Laura Cook
- Division of Infectious Diseases, Department of MedicineUniversity of British ColumbiaVancouverBCCanada
- Department of Microbiology and ImmunologyUniversity of Melbourne, at the Peter Doherty Institute for Infection and ImmunityMelbourneAustralia
- Department of Critical Care, Melbourne Medical SchoolUniversity of MelbourneMelbourneAustralia
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Lilie T, Bouzy J, Asundi A, Taylor J, Roche S, Olson A, Coxen K, Corry H, Jordan H, Clayton K, Lin N, Tsibris A. Opioid use does not limit potent low-dose HIV-1 latency reversal agent boosting. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2023.05.26.23290576. [PMID: 37398278 PMCID: PMC10312897 DOI: 10.1101/2023.05.26.23290576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/04/2023]
Abstract
The combined effects of the HIV-1 and opioid epidemics on virus reservoir dynamics are less well characterized. To assess the impact of opioid use on HIV-1 latency reversal, we studied forty-seven suppressed participants with HIV-1 and observed that lower concentrations of combination latency reversal agents (LRA) led to synergistic virus reactivation ex vivo, regardless of opioid use. The use of a Smac mimetic or low-dose protein kinase C agonist, compounds that did not reverse latency alone, in combination with low-dose histone deacetylase inhibitors generated significantly more HIV-1 transcription than phorbol 12-myristate 13-acetate (PMA) with ionomycin, the maximal known HIV-1 reactivator. This LRA boosting did not differ by sex or race and associated with greater histone acetylation in CD4+ T cells and modulation of T cell phenotype. Virion production and the frequency of multiply spliced HIV-1 transcripts did not increase, suggesting a post-transcriptional block still limits potent HIV-1 LRA boosting.
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Affiliation(s)
- Tyler Lilie
- Brigham and Women’s Hospital, Boston, MA, USA
| | | | - Archana Asundi
- Department of Medicine, Boston University School of Medicine & Boston Medical Center, Boston, MA USA
| | - Jessica Taylor
- Department of Medicine, Boston University School of Medicine & Boston Medical Center, Boston, MA USA
- Grayken Center for Addiction, Boston Medical Center, Boston, MA USA
| | - Samantha Roche
- Department of Medicine, Boston University School of Medicine & Boston Medical Center, Boston, MA USA
| | - Alex Olson
- Department of Medicine, Boston University School of Medicine & Boston Medical Center, Boston, MA USA
| | | | | | | | - Kiera Clayton
- Department of Pathology, University of Massachusetts T.H. Chan School of Medicine, Worcester, MA, USA
| | - Nina Lin
- Department of Medicine, Boston University School of Medicine & Boston Medical Center, Boston, MA USA
| | - Athe Tsibris
- Brigham and Women’s Hospital, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
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Deering RP, Blumenberg L, Li L, Dhanik A, Jeong S, Pourpe S, Song H, Boucher L, Ragunathan S, Li Y, Zhong M, Kuhnert J, Adler C, Hawkins P, Gupta NT, Moore M, Ni M, Hansen J, Wei Y, Thurston G. Rapid TCR:Epitope Ranker (RAPTER): a primary human T cell reactivity screening assay pairing epitope and TCR at single cell resolution. Sci Rep 2023; 13:8452. [PMID: 37231180 DOI: 10.1038/s41598-023-35710-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 05/22/2023] [Indexed: 05/27/2023] Open
Abstract
Identifying epitopes that T cells respond to is critical for understanding T cell-mediated immunity. Traditional multimer and other single cell assays often require large blood volumes and/or expensive HLA-specific reagents and provide limited phenotypic and functional information. Here, we present the Rapid TCR:Epitope Ranker (RAPTER) assay, a single cell RNA sequencing (scRNA-SEQ) method that uses primary human T cells and antigen presenting cells (APCs) to assess functional T cell reactivity. Using hash-tag oligonucleotide (HTO) coding and T cell activation-induced markers (AIM), RAPTER defines paired epitope specificity and TCR sequence and can include RNA- and protein-level T cell phenotype information. We demonstrate that RAPTER identified specific reactivities to viral and tumor antigens at sensitivities as low as 0.15% of total CD8+ T cells, and deconvoluted low-frequency circulating HPV16-specific T cell clones from a cervical cancer patient. The specificities of TCRs identified by RAPTER for MART1, EBV, and influenza epitopes were functionally confirmed in vitro. In summary, RAPTER identifies low-frequency T cell reactivities using primary cells from low blood volumes, and the resulting paired TCR:ligand information can directly enable immunogenic antigen selection from limited patient samples for vaccine epitope inclusion, antigen-specific TCR tracking, and TCR cloning for further therapeutic development.
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Affiliation(s)
- Raquel P Deering
- Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY, USA.
| | - Lili Blumenberg
- Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY, USA
| | - Lianjie Li
- Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY, USA
| | - Ankur Dhanik
- Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY, USA
| | - Se Jeong
- Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY, USA
| | - Stephane Pourpe
- Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY, USA
| | - Hang Song
- Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY, USA
| | - Lauren Boucher
- Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY, USA
| | - Shoba Ragunathan
- Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY, USA
| | - Yanxia Li
- Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY, USA
| | - Maggie Zhong
- Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY, USA
| | - Jessica Kuhnert
- Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY, USA
| | - Christina Adler
- Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY, USA
| | - Peter Hawkins
- Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY, USA
| | - Namita T Gupta
- Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY, USA
| | - Michael Moore
- Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY, USA
| | - Min Ni
- Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY, USA
| | - Johanna Hansen
- Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY, USA
| | - Yi Wei
- Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY, USA
| | - Gavin Thurston
- Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY, USA
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Gatti A, Zizzo G, De Paschale M, Tamburello A, Castelnovo L, Faggioli PM, Clerici P, Brando B, Mazzone A. Assessing SARS-CoV-2-specific T-cell reactivity in late convalescents and vaccinees: Comparison and combination of QuantiFERON and activation-induced marker assays, and relation with antibody status. PLoS One 2023; 18:e0285728. [PMID: 37220145 DOI: 10.1371/journal.pone.0285728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 04/28/2023] [Indexed: 05/25/2023] Open
Abstract
OBJECTIVES Monitoring of SARS-CoV-2 spread and vaccination strategies have relied on antibody (Ab) status as a correlate of protection. We used QuantiFERON™ (QFN) and Activation-Induced Marker (AIM) assays to measure memory T-cell reactivity in unvaccinated individuals with prior documented symptomatic infection (late convalescents) and fully vaccinated asymptomatic donors (vaccinees). METHODS Twenty-two convalescents and 13 vaccinees were enrolled. Serum anti-SARS-CoV-2 S1 and N Abs were measured using chemiluminescent immunoassays. QFN was performed following instructions and interferon-gamma (IFN-γ) measured by ELISA. AIM was performed on aliquots of antigen-stimulated samples from QFN tubes. SARS-CoV-2-specific memory CD4+CD25+CD134+, CD4+CD69+CD137+ and CD8+CD69+CD137+ T-cell frequencies were measured by flow cytometry. RESULTS In convalescents, substantial agreement was observed between QFN and AIM assays. IFN-γ concentrations and AIM+ (CD69+CD137+) CD4+ T-cell frequencies correlated with each other, with Ab levels and AIM+ CD8+ T-cell frequencies, whereas AIM+ (CD25+CD134+) CD4+ T-cell frequencies correlated with age. AIM+ CD4+ T-cell frequencies increased with time since infection, whereas AIM+ CD8+ T-cell expansion was greater after recent reinfection. QFN-reactivity and anti-S1 titers were lower, whereas anti-N titers were higher, and no statistical difference in AIM-reactivity and Ab positivity emerged compared to vaccinees. CONCLUSIONS Albeit on a limited sample size, we confirm that coordinated, cellular and humoral responses are detectable in convalescents up to 2 years after prior infection. Combining QFN with AIM may enhance detection of naturally acquired memory responses and help stratify virus-exposed individuals in T helper 1-type (TH1)-reactive (QFNpos AIMpos Abshigh), non-TH1-reactive (QFNneg AIMpos Abshigh/low), and pauci-reactive (QFNneg AIMneg Abslow).
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Affiliation(s)
- Arianna Gatti
- Laboratory of Haematology, Transfusion Center, Legnano Hospital, ASST Ovest Milanese, via Papa Giovanni Paolo II, Legnano, Milan, Italy
| | - Gaetano Zizzo
- Department of Internal Medicine, Legnano and Cuggiono Hospitals, ASST Ovest Milanese, via Papa Giovanni Paolo II, Legnano, Milan, Italy
| | - Massimo De Paschale
- Unit of Microbiology, Legnano Hospital, ASST Ovest Milanese, via Papa Giovanni Paolo II, Legnano, Milan, Italy
| | - Antonio Tamburello
- Department of Internal Medicine, Legnano and Cuggiono Hospitals, ASST Ovest Milanese, via Papa Giovanni Paolo II, Legnano, Milan, Italy
| | - Laura Castelnovo
- Department of Internal Medicine, Legnano and Cuggiono Hospitals, ASST Ovest Milanese, via Papa Giovanni Paolo II, Legnano, Milan, Italy
| | - Paola Maria Faggioli
- Department of Internal Medicine, Legnano and Cuggiono Hospitals, ASST Ovest Milanese, via Papa Giovanni Paolo II, Legnano, Milan, Italy
| | - Pierangelo Clerici
- Unit of Microbiology, Legnano Hospital, ASST Ovest Milanese, via Papa Giovanni Paolo II, Legnano, Milan, Italy
| | - Bruno Brando
- Laboratory of Haematology, Transfusion Center, Legnano Hospital, ASST Ovest Milanese, via Papa Giovanni Paolo II, Legnano, Milan, Italy
| | - Antonino Mazzone
- Department of Internal Medicine, Legnano and Cuggiono Hospitals, ASST Ovest Milanese, via Papa Giovanni Paolo II, Legnano, Milan, Italy
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Arif S, Domingo-Vila C, Pollock E, Christakou E, Williams E, Tree TIM. Monitoring islet specific immune responses in type 1 diabetes clinical immunotherapy trials. Front Immunol 2023; 14:1183909. [PMID: 37283770 PMCID: PMC10240960 DOI: 10.3389/fimmu.2023.1183909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 05/02/2023] [Indexed: 06/08/2023] Open
Abstract
The number of immunotherapeutic clinical trials in type 1 diabetes currently being conducted is expanding, and thus there is a need for robust immune-monitoring assays which are capable of detecting and characterizing islet specific immune responses in peripheral blood. Islet- specific T cells can serve as biomarkers and as such can guide drug selection, dosing regimens and immunological efficacy. Furthermore, these biomarkers can be utilized in patient stratification which can then benchmark suitability for participation in future clinical trials. This review focusses on the commonly used immune-monitoring techniques including multimer and antigen induced marker assays and the potential to combine these with single cell transcriptional profiling which may provide a greater understanding of the mechanisms underlying immuno-intervention. Although challenges remain around some key areas such as the need for harmonizing assays, technological advances mean that multiparametric information derived from a single sample can be used in coordinated efforts to harmonize biomarker discovery and validation. Moreover, the technologies discussed here have the potential to provide a unique insight on the effect of therapies on key players in the pathogenesis of T1D that cannot be obtained using antigen agnostic approaches.
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46
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Gray-Gaillard SL, Solis S, Chen HM, Monteiro C, Ciabattoni G, Samanovic MI, Cornelius AR, Williams T, Geesey E, Rodriguez M, Ortigoza MB, Ivanova EN, Koralov SB, Mulligan MJ, Herati RS. Inflammation durably imprints memory CD4+ T cells. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2022.11.15.516351. [PMID: 36415470 PMCID: PMC9681040 DOI: 10.1101/2022.11.15.516351] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Adaptive immune responses are induced by vaccination and infection, yet little is known about how CD4+ T cell memory differs when primed in these two contexts. Notably, viral infection is generally associated with higher levels of systemic inflammation than is vaccination. To assess whether the inflammatory milieu at the time of CD4+ T cell priming has long-term effects on memory, we compared Spike-specific memory CD4+ T cells in 22 individuals around the time of the participants' third SARS-CoV-2 mRNA vaccination, with stratification by whether the participants' first exposure to Spike was via virus or mRNA vaccine. Multimodal single-cell profiling of Spike-specific CD4+ T cells revealed 755 differentially expressed genes that distinguished infection- and vaccine-primed memory CD4+ T cells. Spike-specific CD4+ T cells from infection-primed individuals had strong enrichment for cytotoxicity and interferon signaling genes, whereas Spike-specific CD4+ T cells from vaccine-primed individuals were enriched for proliferative pathways by gene set enrichment analysis. Moreover, Spike-specific memory CD4+ T cells established by infection had distinct epigenetic landscapes driven by enrichment of IRF-family transcription factors, relative to T cells established by mRNA vaccination. This transcriptional imprint was minimally altered following subsequent mRNA vaccination or breakthrough infection, reflecting the strong bias induced by the inflammatory environment during initial memory differentiation. Together, these data suggest that the inflammatory context during CD4+ T cell priming is durably imprinted in the memory state at transcriptional and epigenetic levels, which has implications for personalization of vaccination based on prior infection history.
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Affiliation(s)
| | - Sabrina Solis
- Department of Medicine, New York University Grossman School of Medicine; New York, NY, USA
| | - Han M. Chen
- Department of Medicine, New York University Grossman School of Medicine; New York, NY, USA
| | - Clarice Monteiro
- Department of Medicine, New York University Grossman School of Medicine; New York, NY, USA
| | - Grace Ciabattoni
- Department of Microbiology, New York University School of Medicine; New York, NY, USA
| | - Marie I. Samanovic
- Department of Medicine, New York University Grossman School of Medicine; New York, NY, USA
| | - Amber R. Cornelius
- Department of Medicine, New York University Grossman School of Medicine; New York, NY, USA
| | - Tijaana Williams
- Department of Medicine, New York University Grossman School of Medicine; New York, NY, USA
| | - Emilie Geesey
- Department of Medicine, New York University Grossman School of Medicine; New York, NY, USA
| | - Miguel Rodriguez
- Department of Medicine, New York University Grossman School of Medicine; New York, NY, USA
| | - Mila Brum Ortigoza
- Department of Medicine, New York University Grossman School of Medicine; New York, NY, USA
| | - Ellie N. Ivanova
- Department of Pathology, New York University School of Medicine; New York, NY, USA
| | - Sergei B. Koralov
- Department of Pathology, New York University School of Medicine; New York, NY, USA
| | - Mark J. Mulligan
- Department of Medicine, New York University Grossman School of Medicine; New York, NY, USA
- Department of Microbiology, New York University School of Medicine; New York, NY, USA
| | - Ramin Sedaghat Herati
- Department of Medicine, New York University Grossman School of Medicine; New York, NY, USA
- Department of Microbiology, New York University School of Medicine; New York, NY, USA
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Roškar Z, Dreisinger M, Tič P, Homšak E, Bevc S, Goropevšek A. New Flow Cytometric Methods for Monitoring STAT5 Signaling Reveal Responses to SARS-CoV-2 Antigen-Specific Stimulation in FOXP3+ Regulatory T Cells also in Patients with Advanced Chronic Lymphocytic Leukemia. BIOSENSORS 2023; 13:bios13050539. [PMID: 37232900 DOI: 10.3390/bios13050539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 05/04/2023] [Accepted: 05/08/2023] [Indexed: 05/27/2023]
Abstract
Increased frequency of CD4+CD25+ regulatory T-cells (Treg) has been associated with disease progression in chronic lymphocytic leukemia (CLL). Flow cytometric methods, which allow for the simultaneous analysis of their specific transcription factor Foxp3 and activated STAT proteins, together with proliferation can help to elucidate the signaling mechanisms driving Treg expansion and suppression of FOXP3- conventional CD4+T-cells (Tcon). Herein, we first report a novel approach in which STAT5 phosphorylation (pSTAT5) and proliferation (BrdU-FITC incorporation) could be analyzed specifically in FOXP3+ and FOXP3- responding cells after CD3/CD28 stimulation. The addition of magnetically purified CD4+CD25+ T-cells from healthy donors to cocultured autologous CD4+CD25- T-cells resulted in suppression of Tcon cell cycle progression accompanied by a decrease in pSTAT5. Next, a method using imaging flow cytometry is presented for the detection of cytokine-dependent pSTAT5 nuclear translocation in FOXP3-expressing cells. Finally, we discuss our experimental data obtained by combining Treg pSTAT5 analysis and antigen-specific stimulation with SARS-CoV-2 antigens. Applying these methods on samples from patients revealed Treg responses to antigen-specific stimulation and significantly higher basal pSTAT5 in CLL patients treated with immunochemotherapy. Thus, we speculate that through the use of this pharmacodynamic tool, the efficacy of immunosuppressive drugs and their possible off-target effects can be assessed.
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Affiliation(s)
- Zlatko Roškar
- Department of Haematology, University Medical Centre Maribor, 2000 Maribor, Slovenia
| | - Mojca Dreisinger
- Department of Haematology, University Medical Centre Maribor, 2000 Maribor, Slovenia
| | - Primož Tič
- Department of Laboratory Diagnostics, University Medical Centre Maribor, 2000 Maribor, Slovenia
| | - Evgenija Homšak
- Department of Laboratory Diagnostics, University Medical Centre Maribor, 2000 Maribor, Slovenia
| | - Sebastjan Bevc
- Faculty of Medicine, University of Maribor, 2000 Maribor, Slovenia
- Department of Nephrology, University Medical Center Maribor, 2000 Maribor, Slovenia
| | - Aleš Goropevšek
- Department of Laboratory Diagnostics, University Medical Centre Maribor, 2000 Maribor, Slovenia
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Rahman MA, Bissa M, Silva de Castro I, Helmold Hait S, Stamos JD, Bhuyan F, Hunegnaw R, Sarkis S, Gutowska A, Doster MN, Moles R, Hoang T, Miller Jenkins LM, Appella E, Venzon DJ, Choo-Wosoba H, Cardozo T, Baum MM, Appella DH, Robert-Guroff M, Franchini G. Vaccine plus microbicide effective in preventing vaginal SIV transmission in macaques. Nat Microbiol 2023; 8:905-918. [PMID: 37024617 PMCID: PMC10159859 DOI: 10.1038/s41564-023-01353-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 03/02/2023] [Indexed: 04/08/2023]
Abstract
The human immunodeficiency virus epidemic continues in sub-Saharan Africa, and particularly affects adolescent girls and women who have limited access to antiretroviral therapy. Here we report that the risk of vaginal simian immunodeficiency virus (SIV)mac251 acquisition is reduced by more than 90% using a combination of a vaccine comprising V1-deleted (V2 enhanced) SIV envelope immunogens with topical treatment of the zinc-finger inhibitor SAMT-247. Following 14 weekly intravaginal exposures to the highly pathogenic SIVmac251, 80% of a cohort of 20 macaques vaccinated and treated with SAMT-247 remained uninfected. In an arm of 18 vaccinated-only animals without microbicide, 40% of macaques remained uninfected. The combined SAMT-247/vaccine regimen was significantly more effective than vaccination alone. By analysing immune correlates of protection, we show that, by increasing zinc availability, SAMT-247 increases natural killer cytotoxicity and monocyte efferocytosis, and decreases T-cell activation to augment vaccine-induced protection.
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Affiliation(s)
- Mohammad Arif Rahman
- Animal Models and Retroviral Vaccines Section, National Cancer Institute, Bethesda, MD, USA
| | - Massimiliano Bissa
- Animal Models and Retroviral Vaccines Section, National Cancer Institute, Bethesda, MD, USA
| | | | - Sabrina Helmold Hait
- Section on Immune Biology of Retroviral Infection, National Cancer Institute, Bethesda, MD, USA
| | - James D Stamos
- Animal Models and Retroviral Vaccines Section, National Cancer Institute, Bethesda, MD, USA
| | - Farzana Bhuyan
- Translational Autoinflammatory Diseases Section, Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Ruth Hunegnaw
- Section on Immune Biology of Retroviral Infection, National Cancer Institute, Bethesda, MD, USA
| | - Sarkis Sarkis
- Animal Models and Retroviral Vaccines Section, National Cancer Institute, Bethesda, MD, USA
| | - Anna Gutowska
- Animal Models and Retroviral Vaccines Section, National Cancer Institute, Bethesda, MD, USA
| | - Melvin N Doster
- Animal Models and Retroviral Vaccines Section, National Cancer Institute, Bethesda, MD, USA
| | - Ramona Moles
- Animal Models and Retroviral Vaccines Section, National Cancer Institute, Bethesda, MD, USA
| | - Tanya Hoang
- Section on Immune Biology of Retroviral Infection, National Cancer Institute, Bethesda, MD, USA
| | - Lisa M Miller Jenkins
- Collaborative Protein Technology Resource, Laboratory of Cell Biology, National Cancer Institute, Bethesda, MD, USA
| | - Ettore Appella
- Chemical Immunology Section, National Cancer Institute, Bethesda, MD, USA
| | - David J Venzon
- Biostatistics and Data Management Section, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
| | - Hyoyoung Choo-Wosoba
- Biostatistics and Data Management Section, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
| | - Timothy Cardozo
- New York University School of Medicine, NYU Langone Health, New York, NY, USA
| | - Marc M Baum
- Oak Crest Institute of Science, Monrovia, CA, USA
| | - Daniel H Appella
- Synthetic Bioactive Molecules Section, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Marjorie Robert-Guroff
- Section on Immune Biology of Retroviral Infection, National Cancer Institute, Bethesda, MD, USA
| | - Genoveffa Franchini
- Animal Models and Retroviral Vaccines Section, National Cancer Institute, Bethesda, MD, USA.
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49
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Dietz LL, Juhl AK, Søgaard OS, Reekie J, Nielsen H, Johansen IS, Benfield T, Wiese L, Stærke NB, Jensen TØ, Jakobsen SF, Olesen R, Iversen K, Fogh K, Bodilsen J, Petersen KT, Larsen L, Madsen LW, Lindvig SO, Holden IK, Raben D, Andersen SD, Hvidt AK, Andreasen SR, Baerends EAM, Lundgren J, Østergaard L, Tolstrup M. Impact of age and comorbidities on SARS-CoV-2 vaccine-induced T cell immunity. COMMUNICATIONS MEDICINE 2023; 3:58. [PMID: 37095240 PMCID: PMC10124939 DOI: 10.1038/s43856-023-00277-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 03/17/2023] [Indexed: 04/26/2023] Open
Abstract
BACKGROUND Older age and chronic disease are important risk factors for developing severe COVID-19. At population level, vaccine-induced immunity substantially reduces the risk of severe COVID-19 disease and hospitalization. However, the relative impact of humoral and cellular immunity on protection from breakthrough infection and severe disease is not fully understood. METHODS In a study cohort of 655 primarily older study participants (median of 63 years (IQR: 51-72)), we determined serum levels of Spike IgG antibodies using a Multiantigen Serological Assay and quantified the frequency of SARS-CoV-2 Spike-specific CD4 + and CD8 + T cells using activation induced marker assay. This enabled characterization of suboptimal vaccine-induced cellular immunity. The risk factors of being a cellular hypo responder were assessed using logistic regression. Further follow-up of study participants allowed for an evaluation of the impact of T cell immunity on breakthrough infections. RESULTS We show reduced serological immunity and frequency of CD4 + Spike-specific T cells in the oldest age group (≥75 years) and higher Charlson Comorbidity Index (CCI) categories. Male sex, age group ≥75 years, and CCI > 0 is associated with an increased likelihood of being a cellular hypo-responder while vaccine type is a significant risk factor. Assessing breakthrough infections, no protective effect of T cell immunity is identified. CONCLUSIONS SARS-CoV-2 Spike-specific immune responses in both the cellular and serological compartment of the adaptive immune system increase with each vaccine dose and are progressively lower with older age and higher prevalence of comorbidities. The findings contribute to the understanding of the vaccine response in individuals with increased risk of severe COVID-19 disease and hospitalization.
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Affiliation(s)
- Lisa Loksø Dietz
- Department of Infectious Diseases, Aarhus University Hospital, Aarhus, Denmark.
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.
| | - Anna Karina Juhl
- Department of Infectious Diseases, Aarhus University Hospital, Aarhus, Denmark.
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.
| | - Ole Schmeltz Søgaard
- Department of Infectious Diseases, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Joanne Reekie
- Center of Excellence for Health, Immunity and Infections, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Henrik Nielsen
- Department of Infectious Diseases, Aalborg University Hospital, Aalborg, Denmark
- Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Isik Somuncu Johansen
- Department of Infectious Diseases, Odense University Hospital, Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Thomas Benfield
- Department of Infectious Diseases, Copenhagen University Hospital-Amager and Hvidovre, Hvidovre, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Lothar Wiese
- Department of Medicine, Zealand University Hospital, Roskilde, Denmark
| | - Nina Breinholt Stærke
- Department of Infectious Diseases, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Tomas Østergaard Jensen
- Center of Excellence for Health, Immunity and Infections, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Stine Finne Jakobsen
- Center of Excellence for Health, Immunity and Infections, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Rikke Olesen
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Kasper Iversen
- Department of Cardiology and Department of Emergency Medicine, Herlev Hospital, Herlev, Denmark
| | - Kamille Fogh
- Department of Cardiology and Department of Emergency Medicine, Herlev Hospital, Herlev, Denmark
| | - Jacob Bodilsen
- Department of Infectious Diseases, Aalborg University Hospital, Aalborg, Denmark
- Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | | | - Lykke Larsen
- Department of Infectious Diseases, Odense University Hospital, Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Lone Wulff Madsen
- Department of Infectious Diseases, Odense University Hospital, Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Susan Olaf Lindvig
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Inge Kristine Holden
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Dorthe Raben
- Center of Excellence for Health, Immunity and Infections, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | | | | | | | | | - Jens Lundgren
- Center of Excellence for Health, Immunity and Infections, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
- Dept of Infectious Diseases, Copenhagen University Hospital-Rigshospitalet, Copenhagen, Denmark
| | - Lars Østergaard
- Department of Infectious Diseases, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Martin Tolstrup
- Department of Infectious Diseases, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
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50
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Nguyen NX, Richens AW, Sircy LM, Allard DE, Kolawole EM, Evavold BD, Bettini M, Hale JS. Immunogen-Specific Strengths and Limitations of the Activation-Induced Marker Assay for Assessing Murine Antigen-Specific CD4+ T Cell Responses. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2023; 210:916-925. [PMID: 36883856 PMCID: PMC10038905 DOI: 10.4049/jimmunol.2200638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 01/31/2023] [Indexed: 03/09/2023]
Abstract
The activation-induced marker (AIM) assay is a cytokine-independent technique to identify Ag-specific T cells based on the upregulated expression of activation markers after Ag restimulation. The method offers an alternative to intracellular cytokine staining in immunological studies, in which limited cytokine production makes the cell subsets of interest difficult to detect. Studies of lymphocytes in human and nonhuman primates have used the AIM assay to detect Ag-specific CD4+ and CD8+ T cells. However, there is a lack of validation of the strengths and limitations of the assay in murine (Mus musculus) models of infection and vaccination. In this study, we analyzed immune responses of TCR-transgenic CD4+ T cells, including lymphocytic choriomeningitis virus-specific SMARTA, OVA-specific OT-II, and diabetogenic BDC2.5-transgenic T cells, and measured the ability of the AIM assay to effectively identify these cells to upregulate AIM markers OX40 and CD25 following culture with cognate Ag. Our findings indicate that the AIM assay is effective for identifying the relative frequency of protein immunization-induced effector and memory CD4+ T cells, whereas the AIM assay had reduced ability to identify specific cells induced by viral infection, particularly during chronic lymphocytic choriomeningitis virus infection. Evaluation of polyclonal CD4+ T cell responses to acute viral infection demonstrated that the AIM assay can detect a proportion of both high- and low-affinity cells. Together, our findings indicate that the AIM assay can be an effective tool for relative quantification of murine Ag-specific CD4+ T cells to protein vaccination, while demonstrating its limitations during conditions of acute and chronic infection.
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Affiliation(s)
- Nguyen X Nguyen
- Division of Microbiology and Immunology, Department of Pathology, University of Utah School of Medicine, Salt Lake City, UT
| | - Andrew W Richens
- Division of Microbiology and Immunology, Department of Pathology, University of Utah School of Medicine, Salt Lake City, UT
| | - Linda M Sircy
- Division of Microbiology and Immunology, Department of Pathology, University of Utah School of Medicine, Salt Lake City, UT
| | - Denise E Allard
- Division of Microbiology and Immunology, Department of Pathology, University of Utah School of Medicine, Salt Lake City, UT
| | - Elizabeth M Kolawole
- Division of Microbiology and Immunology, Department of Pathology, University of Utah School of Medicine, Salt Lake City, UT
| | - Brian D Evavold
- Division of Microbiology and Immunology, Department of Pathology, University of Utah School of Medicine, Salt Lake City, UT
| | - Maria Bettini
- Division of Microbiology and Immunology, Department of Pathology, University of Utah School of Medicine, Salt Lake City, UT
| | - J Scott Hale
- Division of Microbiology and Immunology, Department of Pathology, University of Utah School of Medicine, Salt Lake City, UT
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