201
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Zeng W, Zhang P. Resistance and recurrence of malignancies after CAR-T cell therapy. Exp Cell Res 2022; 410:112971. [PMID: 34906583 DOI: 10.1016/j.yexcr.2021.112971] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 12/08/2021] [Accepted: 12/10/2021] [Indexed: 11/04/2022]
Abstract
The emergence of chimeric antigen receptor T (CAR-T) cell therapy has ushered a new era in cancer therapy, especially the treatment of hematological malignancies. However, resistance and recurrence still occur in some patients after CAR-T cell treatment. CAR-T cell inefficiency and tumor escape have emerged as the main challenges for the long-term disease control of B cell malignancies by this promising immunotherapy. In solid tumor treatment, CAR-T cells must also overcome many hurdles from the tumor or immune-suppressed tumor environment, which have become obstacles to the advancement of CAR-T therapy. Therefore, an understanding of the mechanisms underlying post-CAR treatment failure in patients is necessary. In this review, we characterize some mechanisms of resistance and recurrence after CAR-T cell therapy and correspondingly suggest reasonable treatment strategies.
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Affiliation(s)
- Wanying Zeng
- National Center for International Research of Bio-targeting Theranostics, Guangxi Key Laboratory of Bio-targeting Theranostics, Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Talent Highland of Bio-targeting Theranostics, Guangxi Medical University, Nanning, Guangxi, 530021, China
| | - Pumin Zhang
- National Center for International Research of Bio-targeting Theranostics, Guangxi Key Laboratory of Bio-targeting Theranostics, Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Talent Highland of Bio-targeting Theranostics, Guangxi Medical University, Nanning, Guangxi, 530021, China; Zhejiang Provincial Key Laboratory of Pancreatic Disease, The First Affiliated Hospital of Zhejiang University, Hangzhou, Zhejiang Province, 310003, China; Institute of Translational Medicine, Zhejiang University Medical School, Hangzhou, Zhejiang Province, 310058, China.
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202
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Goswami M, Gui G, Dillon LW, Lindblad KE, Thompson J, Valdez J, Kim DY, Ghannam JY, Oetjen KA, Destefano CB, Smith DM, Tekleab H, Li Y, Dagur P, Hughes T, Marté JL, Del Rivero J, Klubo-Gwiezdzinksa J, Gulley JL, Calvo KR, Lai C, Hourigan CS. Pembrolizumab and decitabine for refractory or relapsed acute myeloid leukemia. J Immunother Cancer 2022; 10:jitc-2021-003392. [PMID: 35017151 PMCID: PMC8753450 DOI: 10.1136/jitc-2021-003392] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/27/2021] [Indexed: 12/11/2022] Open
Abstract
Background The powerful ‘graft versus leukemia’ effect thought partly responsible for the therapeutic effect of allogeneic hematopoietic cell transplantation in acute myeloid leukemia (AML) provides rationale for investigation of immune-based therapies in this high-risk blood cancer. There is considerable preclinical evidence for potential synergy between PD-1 immune checkpoint blockade and the hypomethylating agents already commonly used for this disease. Methods We report here the results of 17 H-0026 (PD-AML, NCT02996474), an investigator sponsored, single-institution, single-arm open-label 10-subject pilot study to test the feasibility of the first-in-human combination of pembrolizumab and decitabine in adult patients with refractory or relapsed AML (R-AML). Results In this cohort of previously treated patients, this novel combination of anti-PD-1 and hypomethylating therapy was feasible and associated with a best response of stable disease or better in 6 of 10 patients. Considerable immunological changes were identified using T cell receptor β sequencing as well as single-cell immunophenotypic and RNA expression analyses on sorted CD3+ T cells in patients who developed immune-related adverse events (irAEs) during treatment. Clonal T cell expansions occurred at irAE onset; single-cell sequencing demonstrated that these expanded clones were predominately CD8+ effector memory T cells with high cell surface PD-1 expression and transcriptional profiles indicative of activation and cytotoxicity. In contrast, no such distinctive immune changes were detectable in those experiencing a measurable antileukemic response during treatment. Conclusion Addition of pembrolizumab to 10-day decitabine therapy was clinically feasible in patients with R-AML, with immunological changes from PD-1 blockade observed in patients experiencing irAEs.
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Affiliation(s)
- Meghali Goswami
- National Heart Lung and Blood Institute, Bethesda, Maryland, USA.,National Cancer Institute, Bethesda, Maryland, USA
| | - Gege Gui
- National Heart Lung and Blood Institute, Bethesda, Maryland, USA
| | - Laura W Dillon
- National Heart Lung and Blood Institute, Bethesda, Maryland, USA
| | | | - Julie Thompson
- National Heart Lung and Blood Institute, Bethesda, Maryland, USA
| | - Janet Valdez
- National Heart Lung and Blood Institute, Bethesda, Maryland, USA
| | - Dong-Yun Kim
- National Heart Lung and Blood Institute, Bethesda, Maryland, USA
| | - Jack Y Ghannam
- National Heart Lung and Blood Institute, Bethesda, Maryland, USA
| | - Karolyn A Oetjen
- National Heart Lung and Blood Institute, Bethesda, Maryland, USA
| | | | - Dana M Smith
- Center for Drug Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland, USA
| | - Hanna Tekleab
- National Heart Lung and Blood Institute, Bethesda, Maryland, USA
| | - Yeusheng Li
- National Heart Lung and Blood Institute, Bethesda, Maryland, USA
| | - Pradeep Dagur
- National Heart Lung and Blood Institute, Bethesda, Maryland, USA
| | - Thomas Hughes
- National Institutes of Health Clinical Center, Bethesda, Maryland, USA
| | | | | | | | | | - Katherine R Calvo
- National Institutes of Health Clinical Center, Bethesda, Maryland, USA
| | - Catherine Lai
- National Heart Lung and Blood Institute, Bethesda, Maryland, USA
| | - Christopher S Hourigan
- National Heart Lung and Blood Institute, Bethesda, Maryland, USA .,Trans-NIH Center for Human Immunology, National Institutes of Health, Bethesda, Maryland, USA
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203
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Ozga AJ, Chow MT, Lopes ME, Servis RL, Di Pilato M, Dehio P, Lian J, Mempel TR, Luster AD. CXCL10 chemokine regulates heterogeneity of the CD8 + T cell response and viral set point during chronic infection. Immunity 2022; 55:82-97.e8. [PMID: 34847356 PMCID: PMC8755631 DOI: 10.1016/j.immuni.2021.11.002] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 04/19/2021] [Accepted: 11/02/2021] [Indexed: 01/13/2023]
Abstract
CD8+ T cells responding to chronic infection adapt an altered differentiation program that provides some restraint on pathogen replication yet limits immunopathology. This adaptation is imprinted in stem-like cells and propagated to their progeny. Understanding the molecular control of CD8+ T cell differentiation in chronic infection has important therapeutic implications. Here, we find that the chemokine receptor CXCR3 is highly expressed on viral-specific stem-like CD8+ T cells and that one of its ligands, CXCL10, regulates the persistence and heterogeneity of responding CD8+ T cells in spleens of mice chronically infected with lymphocytic choriomeningitis virus. CXCL10 is produced by inflammatory monocytes and fibroblasts of the splenic red pulp, where it grants stem-like cells access to signals promoting differentiation and limits their exposure to pro-survival niches in the white pulp. Consequently, functional CD8+ T cell responses are greater in Cxcl10-/- mice and are associated with a lower viral set point.
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Affiliation(s)
- Aleksandra J Ozga
- Center for Immunology and Inflammatory Diseases, Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02129, USA
| | - Melvyn T Chow
- Center for Immunology and Inflammatory Diseases, Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02129, USA
| | - Mateus E Lopes
- Center for Immunology and Inflammatory Diseases, Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02129, USA; Center for Gastrointestinal Biology, Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais 31270-901, Brazil
| | - Rachel L Servis
- Center for Immunology and Inflammatory Diseases, Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02129, USA
| | - Mauro Di Pilato
- Center for Immunology and Inflammatory Diseases, Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02129, USA; Department of Immunology, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA
| | - Philippe Dehio
- Center for Immunology and Inflammatory Diseases, Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02129, USA; Department of Biomedicine, University of Basel, 4031 Basel, Switzerland
| | - Jeffrey Lian
- Center for Immunology and Inflammatory Diseases, Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02129, USA
| | - Thorsten R Mempel
- Center for Immunology and Inflammatory Diseases, Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02129, USA
| | - Andrew D Luster
- Center for Immunology and Inflammatory Diseases, Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02129, USA.
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204
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Chiu CY, Chang JJ, Dantanarayana AI, Soloman A, Evans VA, Pascoe R, Gubser C, Trautman L, Fromentin R, Chomont N, McMahon JH, Cameron PU, Rasmussen TA, Lewin SR. Combination Immune Checkpoint Blockade Enhances IL-2 and CD107a Production from HIV-Specific T Cells Ex Vivo in People Living with HIV on Antiretroviral Therapy. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2022; 208:54-62. [PMID: 34853078 PMCID: PMC8702486 DOI: 10.4049/jimmunol.2100367] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Accepted: 10/13/2021] [Indexed: 01/03/2023]
Abstract
In people with HIV (PWH) on antiretroviral therapy (ART), immune dysfunction persists, including elevated expression of immune checkpoint (IC) proteins on total and HIV-specific T cells. Reversing immune exhaustion is one strategy to enhance the elimination of HIV-infected cells that persist in PWH on ART. We aimed to evaluate whether blocking CTL-associated protein 4 (CTLA-4), programmed cell death protein 1 (PD-1), T cell Ig domain and mucin domain 3 (TIM-3), T cell Ig and ITIM domain (TIGIT) and lymphocyte activation gene-3 (LAG-3) alone or in combination would enhance HIV-specific CD4+ and CD8+ T cell function ex vivo. Intracellular cytokine staining was performed using human PBMCs from PWH on ART (n = 11) and expression of CD107a, IFN-γ, TNF-α, and IL-2 was quantified with HIV peptides and Abs to IC. We found the following: 1) IC blockade enhanced the induction of CD107a and IL-2 but not IFN-γ and TNF-α in response to Gag and Nef peptides; 2) the induction of CD107a and IL-2 was greatest with multiple combinations of two Abs; and 3) Abs to LAG-3, CTLA-4, and TIGIT in combinations showed synergistic induction of IL-2 in HIV-specific CD8+ and CD107a and IL-2 production in HIV-specific CD4+ and CD8+ T cells. These results demonstrate that the combination of Abs to LAG-3, CTLA-4, or TIGIT can increase the frequency of cells expressing CD107a and IL-2 that associated with cytotoxicity and survival of HIV-specific CD4+ and CD8+ T cells in PWH on ART. These combinations should be further explored for an HIV cure.
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Affiliation(s)
- Chris Y. Chiu
- Department of Infectious Diseases, The University of Melbourne at The Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria 3000, Australia
| | - Judy J. Chang
- Department of Infectious Diseases, The University of Melbourne at The Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria 3000, Australia
| | - Ashanti I. Dantanarayana
- Department of Infectious Diseases, The University of Melbourne at The Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria 3000, Australia
| | - Ajantha Soloman
- Department of Infectious Diseases, The University of Melbourne at The Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria 3000, Australia
| | - Vanessa A. Evans
- Department of Infectious Diseases, The University of Melbourne at The Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria 3000, Australia
| | - Rachel Pascoe
- Department of Infectious Diseases, The University of Melbourne at The Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria 3000, Australia
| | - Céline Gubser
- Department of Infectious Diseases, The University of Melbourne at The Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria 3000, Australia
| | - Lydie Trautman
- Vaccine and Gene Therapy Institute, Oregon Health & Science University, Beaverton, OR, USA
| | - Rémi Fromentin
- Centre de Recherche du Centre Hospitalier de l’Université de Montréal, Montreal, Quebec H2X 3E4, Canada
| | - Nicolas Chomont
- Centre de Recherche du Centre Hospitalier de l’Université de Montréal, Montreal, Quebec H2X 3E4, Canada;,Department of Microbiology, Infectiology and Immunology, Faculty of Medicine, Université de Montréal, Montreal, Quebec H3T 1J4, Canada
| | - James H. McMahon
- Department of Infectious Diseases, Monash University and the Alfred Hospital, Melbourne, Victoria 3010, Australia
| | - Paul U. Cameron
- Department of Infectious Diseases, The University of Melbourne at The Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria 3000, Australia;,Department of Infectious Diseases, Monash University and the Alfred Hospital, Melbourne, Victoria 3010, Australia
| | - Thomas A. Rasmussen
- Department of Infectious Diseases, The University of Melbourne at The Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria 3000, Australia
| | - Sharon R. Lewin
- Department of Infectious Diseases, The University of Melbourne at The Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria 3000, Australia;,Department of Infectious Diseases, Monash University and the Alfred Hospital, Melbourne, Victoria 3010, Australia;,Victorian Infectious Diseases Service, Royal Melbourne Hospital at the Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, 3000
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205
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PD-1-cis IL-2R agonism yields better effectors from stem-like CD8 + T cells. Nature 2022; 610:161-172. [PMID: 36171284 PMCID: PMC9534752 DOI: 10.1038/s41586-022-05192-0] [Citation(s) in RCA: 148] [Impact Index Per Article: 49.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Accepted: 08/04/2022] [Indexed: 12/22/2022]
Abstract
Expansion and differentiation of antigen-experienced PD-1+TCF-1+ stem-like CD8+ T cells into effector cells is critical for the success of immunotherapies based on PD-1 blockade1-4. Hashimoto et al. have shown that, in chronic infections, administration of the cytokine interleukin (IL)-2 triggers an alternative differentiation path of stem-like T cells towards a distinct population of 'better effector' CD8+ T cells similar to those generated in an acute infection5. IL-2 binding to the IL-2 receptor α-chain (CD25) was essential in triggering this alternative differentiation path and expanding better effectors with distinct transcriptional and epigenetic profiles. However, constitutive expression of CD25 on regulatory T cells and some endothelial cells also contributes to unwanted systemic effects from IL-2 therapy. Therefore, engineered IL-2 receptor β- and γ-chain (IL-2Rβγ)-biased agonists are currently being developed6-10. Here we show that IL-2Rβγ-biased agonists are unable to preferentially expand better effector T cells in cancer models and describe PD1-IL2v, a new immunocytokine that overcomes the need for CD25 binding by docking in cis to PD-1. Cis binding of PD1-IL2v to PD-1 and IL-2Rβγ on the same cell recovers the ability to differentiate stem-like CD8+ T cells into better effectors in the absence of CD25 binding in both chronic infection and cancer models and provides superior efficacy. By contrast, PD-1- or PD-L1-blocking antibodies alone, or their combination with clinically relevant doses of non-PD-1-targeted IL2v, cannot expand this unique subset of better effector T cells and instead lead to the accumulation of terminally differentiated, exhausted T cells. These findings provide the basis for the development of a new generation of PD-1 cis-targeted IL-2R agonists with enhanced therapeutic potential for the treatment of cancer and chronic infections.
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206
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Kaminski H, Marseres G, Yared N, Nokin MJ, Pitard V, Zouine A, Garrigue I, Loizon S, Capone M, Gauthereau X, Mamani-Matsuda M, Coueron R, Durán RV, Pinson B, Pellegrin I, Thiébaut R, Couzi L, Merville P, Déchanet-Merville J. mTOR Inhibitors Prevent CMV Infection through the Restoration of Functional αβ and γδ T cells in Kidney Transplantation. J Am Soc Nephrol 2022; 33:121-137. [PMID: 34725108 PMCID: PMC8763189 DOI: 10.1681/asn.2020121753] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 10/06/2021] [Indexed: 02/04/2023] Open
Abstract
BACKGROUND The reported association of mTOR-inhibitor (mTORi) treatment with a lower incidence of cytomegalovirus (CMV) infection in kidney transplant recipients (KTR) who are CMV seropositive (R+) remains unexplained. METHODS The incidence of CMV infection and T-cell profile was compared between KTRs treated with mTORis and mycophenolic acid (MPA), and in vitro mTORi effects on T-cell phenotype and functions were analyzed. RESULTS In KTRs who were R+ and treated with MPA, both αβ and γδ T cells displayed a more dysfunctional phenotype (PD-1+, CD85j+) at day 0 of transplantation in the 16 KTRs with severe CMV infection, as compared with the 17 KTRs without or with spontaneously resolving CMV infection. In patients treated with mTORis (n=27), the proportion of PD-1+ and CD85j+ αβ and γδ T cells decreased, when compared with patients treated with MPA (n=44), as did the frequency and severity of CMV infections. mTORi treatment also led to higher proportions of late-differentiated and cytotoxic γδ T cells and IFNγ-producing and cytotoxic αβ T cells. In vitro, mTORis increased proliferation, viability, and CMV-induced IFNγ production of T cells and decreased PD-1 and CD85j expression in T cells, which shifted the T cells to a more efficient EOMESlow Hobithigh profile. In γδ T cells, the mTORi effect was related to increased TCR signaling. CONCLUSION Severe CMV replication is associated with a dysfunctional T-cell profile and mTORis improve T-cell fitness along with better control of CMV. A dysfunctional T-cell phenotype could serve as a new biomarker to predict post-transplantation infection and to stratify patients who should benefit from mTORi treatment. CLINICAL TRIAL REGISTRY NAME AND REGISTRATION NUMBER Proportion of CMV Seropositive Kidney Transplant Recipients Who Will Develop a CMV Infection When Treated With an Immunosuppressive Regimen Including Everolimus and Reduced Dose of Cyclosporine Versus an Immunosuppressive Regimen With Mycophenolic Acid and Standard Dose of Cyclosporine A (EVERCMV), NCT02328963.
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Affiliation(s)
- Hannah Kaminski
- Department of Nephrology, Transplantation, Dialysis and Apheresis, Bordeaux University Hospital, Bordeaux, France,ImmunoConcEpT, Centre National de la Recherche Scientifique, Unité Mixte de Recherche 5164, University of Bordeaux, Bordeaux, France
| | - Gabriel Marseres
- ImmunoConcEpT, Centre National de la Recherche Scientifique, Unité Mixte de Recherche 5164, University of Bordeaux, Bordeaux, France
| | - Nathalie Yared
- ImmunoConcEpT, Centre National de la Recherche Scientifique, Unité Mixte de Recherche 5164, University of Bordeaux, Bordeaux, France
| | - Marie-Julie Nokin
- Actions for onCogenesis understanding and Target Identification in ONcology, Institut Europeen de chimie et de biologie, Institut National de la Santé et de la Recherche Médicale, U1218, University of Bordeaux, Pessac, France
| | - Vincent Pitard
- Department of Nephrology, Transplantation, Dialysis and Apheresis, Bordeaux University Hospital, Bordeaux, France,Centre National de la Recherche Scientifique Unité Mixte de Service 3427, Institut National de la Santé et de la Recherche Médicale US 005, TransBioMed Core, Flow Cytometry Facility, University of Bordeaux, Bordeaux, France
| | - Atika Zouine
- Centre National de la Recherche Scientifique Unité Mixte de Service 3427, Institut National de la Santé et de la Recherche Médicale US 005, TransBioMed Core, Flow Cytometry Facility, University of Bordeaux, Bordeaux, France
| | - Isabelle Garrigue
- Virology Department, Centre National de la Recherche Scientifique Unité Mixte de Recherche 5234 and CHU Bordeaux, University of Bordeaux, Bordeaux, France
| | - Séverine Loizon
- ImmunoConcEpT, Centre National de la Recherche Scientifique, Unité Mixte de Recherche 5164, University of Bordeaux, Bordeaux, France
| | - Myriam Capone
- ImmunoConcEpT, Centre National de la Recherche Scientifique, Unité Mixte de Recherche 5164, University of Bordeaux, Bordeaux, France
| | - Xavier Gauthereau
- Centre National de la Recherche Scientifique Unité Mixte de Service 3427, Institut National de la Santé et de la Recherche Médicale US 005, TransBioMed Core, PCRq’UB, University of Bordeaux, Bordeaux, France
| | - Maria Mamani-Matsuda
- ImmunoConcEpT, Centre National de la Recherche Scientifique, Unité Mixte de Recherche 5164, University of Bordeaux, Bordeaux, France
| | - Roxane Coueron
- Institut National de la Santé et de la Recherche Médicale U1219 Bordeaux Population Health Research Center, Inria SISTM, University of Bordeaux, Bordeaux, France
| | - Raúl V. Durán
- Actions for onCogenesis understanding and Target Identification in ONcology, Institut Europeen de chimie et de biologie, Institut National de la Santé et de la Recherche Médicale, U1218, University of Bordeaux, Pessac, France
| | - Benoît Pinson
- Centre National de la Recherche Scientifique Unité Mixte de Service 3427, Institut National de la Santé et de la Recherche Médicale US 005, TransBioMed Core, Service Analyses Métaboliques, University of Bordeaux, Bordeaux, France,Centre National de la Recherche Scientifique, Institut de Biochimie et Genetique Cellulaire Unité Mixte de Recherche 5095, University of Bordeaux, Bordeaux, France
| | - Isabelle Pellegrin
- Laboratory of Immunology and Immunogenetics, Bordeaux University Hospital, Bordeaux, France
| | - Rodolphe Thiébaut
- Institut National de la Santé et de la Recherche Médicale U1219 Bordeaux Population Health Research Center, Inria SISTM, University of Bordeaux, Bordeaux, France
| | - Lionel Couzi
- Department of Nephrology, Transplantation, Dialysis and Apheresis, Bordeaux University Hospital, Bordeaux, France,ImmunoConcEpT, Centre National de la Recherche Scientifique, Unité Mixte de Recherche 5164, University of Bordeaux, Bordeaux, France
| | - Pierre Merville
- Department of Nephrology, Transplantation, Dialysis and Apheresis, Bordeaux University Hospital, Bordeaux, France,ImmunoConcEpT, Centre National de la Recherche Scientifique, Unité Mixte de Recherche 5164, University of Bordeaux, Bordeaux, France
| | - Julie Déchanet-Merville
- ImmunoConcEpT, Centre National de la Recherche Scientifique, Unité Mixte de Recherche 5164, University of Bordeaux, Bordeaux, France
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207
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Budimir N, Thomas GD, Dolina JS, Salek-Ardakani S. Reversing T-cell Exhaustion in Cancer: Lessons Learned from PD-1/PD-L1 Immune Checkpoint Blockade. Cancer Immunol Res 2021; 10:146-153. [PMID: 34937730 DOI: 10.1158/2326-6066.cir-21-0515] [Citation(s) in RCA: 145] [Impact Index Per Article: 36.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 08/30/2021] [Accepted: 11/09/2021] [Indexed: 11/16/2022]
Abstract
Anti-PD-1/PD-L1 immune checkpoint blockade (ICB) therapy has revolutionized the treatment of many types of cancer over the past decade. The initial therapeutic hypothesis underlying the mechanism of anti-PD-1/PD-L1 ICB was built around the premise that it acts locally in the tumor, reversing the exhaustion of PD-1hiCD8+ T cells by "releasing the brakes." However, recent studies have provided unprecedented insight into the complexity within the CD8+ T-cell pool in the tumor microenvironment (TME). Single-cell RNA sequencing and epigenetic profiling studies have identified novel cell surface markers, revealing heterogeneity within CD8+ T-cell states classified as unique. Moreover, these studies highlighted that following ICB, CD8+ T-cell states within and outside the TME possess a differential capacity to respond, mobilize to the TME, and seed an effective antitumor immune response. In aggregate, these recent developments have led to a reevaluation of our understanding of both the underlying mechanisms and the sites of action of ICB therapy. Here, we discuss the evidence for the reversibility of CD8+ T-cell exhaustion after ICB treatment and its implication for the further development of cancer immunotherapy.
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Affiliation(s)
- Natalija Budimir
- Cancer Immunology Discovery, Pfizer Inc., San Diego, California.
| | - Graham D Thomas
- Cancer Immunology Discovery, Pfizer Inc., San Diego, California.
| | - Joseph S Dolina
- Cancer Immunology Discovery, Pfizer Inc., San Diego, California
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208
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Korman AJ, Garrett-Thomson SC, Lonberg N. The foundations of immune checkpoint blockade and the ipilimumab approval decennial. Nat Rev Drug Discov 2021; 21:509-528. [PMID: 34937915 DOI: 10.1038/s41573-021-00345-8] [Citation(s) in RCA: 321] [Impact Index Per Article: 80.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/28/2021] [Indexed: 12/11/2022]
Abstract
Cancer immunity, and the potential for cancer immunotherapy, have been topics of scientific discussion and experimentation for over a hundred years. Several successful cancer immunotherapies - such as IL-2 and interferon-α (IFNα) - have appeared over the past 30 years. However, it is only in the past decade that immunotherapy has made a broad impact on patient survival in multiple high-incidence cancer indications. The emergence of immunotherapy as a new pillar of cancer treatment (adding to surgery, radiation, chemotherapy and targeted therapies) is due to the success of immune checkpoint blockade (ICB) drugs, the first of which - ipilimumab - was approved in 2011. ICB drugs block receptors and ligands involved in pathways that attenuate T cell activation - such as cytotoxic T lymphocyte antigen 4 (CTLA4), programmed cell death 1 (PD1) and its ligand, PDL1 - and prevent, or reverse, acquired peripheral tolerance to tumour antigens. In this Review we mark the tenth anniversary of the approval of ipilimumab and discuss the foundational scientific history of ICB, together with the history of the discovery, development and elucidation of the mechanism of action of the first generation of drugs targeting the CTLA4 and PD1 pathways.
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209
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Moore MJ, Zhong M, Hansen J, Gartner H, Grant C, Huang M, Harris FM, Tu N, Bowerman NA, Edelmann KH, Barry T, Herbin O, Tay CS, DiLillo DJ, Decker CE, Levenkova N, Shevchuk J, Dhanik A, Meagher KA, Karr A, Roos J, Lee WY, Suh D, Eckersdorff M, Meagher TC, Koss M, Esau L, Sleeman MA, Babb R, Chen G, Kyratsous CA, Poueymirou WT, McWhirter JR, Voronina VA, Guo C, Gurer C, Yancopoulos GD, Murphy AJ, Macdonald LE. Humanization of T cell-mediated immunity in mice. Sci Immunol 2021; 6:eabj4026. [PMID: 34919442 DOI: 10.1126/sciimmunol.abj4026] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
[Figure: see text].
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Affiliation(s)
- Michael J Moore
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - Maggie Zhong
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - Johanna Hansen
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - Hans Gartner
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - Craig Grant
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - Mei Huang
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - Faith M Harris
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - Naxin Tu
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - Natalie A Bowerman
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - Kurt H Edelmann
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - Thomas Barry
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - Olivier Herbin
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - Chin-Siean Tay
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - David J DiLillo
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - Corinne E Decker
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - Natasha Levenkova
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - James Shevchuk
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - Ankur Dhanik
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - Karoline A Meagher
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - Amanda Karr
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - Jan Roos
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - Wen-Yi Lee
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - David Suh
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - Mark Eckersdorff
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - T Craig Meagher
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - Matthew Koss
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - Lakeisha Esau
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - Matthew A Sleeman
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - Robert Babb
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - Gang Chen
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | | | | | - John R McWhirter
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - Vera A Voronina
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - Chunguang Guo
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - Cagan Gurer
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | | | - Andrew J Murphy
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
| | - Lynn E Macdonald
- Regeneron Pharmaceuticals, 777 Old Saw Mill River Rd, Tarrytown, NY 10591, USA
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Ertuna YI, Fallet B, Marx AF, Dimitrova M, Kastner AL, Wagner I, Merkler D, Pinschewer DD. Vectored antibody gene delivery restores host B and T cell control of persistent viral infection. Cell Rep 2021; 37:110061. [PMID: 34852228 DOI: 10.1016/j.celrep.2021.110061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 10/02/2021] [Accepted: 11/04/2021] [Indexed: 10/19/2022] Open
Abstract
Passive antibody therapy and vectored antibody gene delivery (VAGD) in particular offer an innovative approach to combat persistent viral diseases. Here, we exploit a small animal model to investigate synergies of VAGD with the host's endogenous immune defense for treating chronic viral infection. An adeno-associated virus (AAV) vector delivering the lymphocytic choriomeningitis virus (LCMV)-neutralizing antibody KL25 (AAV-KL25) establishes protective antibody titers for >200 days. When therapeutically administered to chronically infected immunocompetent wild-type mice, AAV-KL25 affords sustained viral load control. In contrast, viral mutational escape thwarts therapeutic AAV-KL25 effects when mice are unable to mount LCMV-specific antibody responses or lack CD8+ T cells. VAGD augments antiviral germinal center B cell and antibody-secreting cell responses and reduces inhibitory receptor expression on antiviral CD8+ T cells. These results indicate that VAGD fortifies host immune defense and synergizes with B cell and CD8 T cell responses to restore immune control of chronic viral infection.
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Affiliation(s)
- Yusuf I Ertuna
- University of Basel, Department of Biomedicine-Haus Petersplatz, Division of Experimental Virology, 4009 Basel, Switzerland
| | - Benedict Fallet
- University of Basel, Department of Biomedicine-Haus Petersplatz, Division of Experimental Virology, 4009 Basel, Switzerland
| | - Anna-Friederike Marx
- University of Basel, Department of Biomedicine-Haus Petersplatz, Division of Experimental Virology, 4009 Basel, Switzerland
| | - Mirela Dimitrova
- University of Basel, Department of Biomedicine-Haus Petersplatz, Division of Experimental Virology, 4009 Basel, Switzerland
| | - Anna Lena Kastner
- University of Basel, Department of Biomedicine-Haus Petersplatz, Division of Experimental Virology, 4009 Basel, Switzerland
| | - Ingrid Wagner
- Department of Pathology and Immunology, Geneva Faculty of Medicine, Geneva University Hospital, 1211 Geneva, Switzerland
| | - Doron Merkler
- Department of Pathology and Immunology, Geneva Faculty of Medicine, Geneva University Hospital, 1211 Geneva, Switzerland; Division of Clinical Pathology, Geneva University Hospital, 1211 Geneva, Switzerland
| | - Daniel D Pinschewer
- University of Basel, Department of Biomedicine-Haus Petersplatz, Division of Experimental Virology, 4009 Basel, Switzerland.
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211
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Rogers D, Sood A, Wang H, van Beek JJP, Rademaker TJ, Artusa P, Schneider C, Shen C, Wong DC, Bhagrath A, Lebel MÈ, Condotta SA, Richer MJ, Martins AJ, Tsang JS, Barreiro LB, François P, Langlais D, Melichar HJ, Textor J, Mandl JN. Pre-existing chromatin accessibility and gene expression differences among naive CD4 + T cells influence effector potential. Cell Rep 2021; 37:110064. [PMID: 34852223 DOI: 10.1016/j.celrep.2021.110064] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 09/26/2021] [Accepted: 11/05/2021] [Indexed: 12/13/2022] Open
Abstract
CD4+ T cells have a remarkable potential to differentiate into diverse effector lineages following activation. Here, we probe the heterogeneity present among naive CD4+ T cells before encountering their cognate antigen to ask whether their effector potential is modulated by pre-existing transcriptional and chromatin landscape differences. Single-cell RNA sequencing shows that key drivers of variability are genes involved in T cell receptor (TCR) signaling. Using CD5 expression as a readout of the strength of tonic TCR interactions with self-peptide MHC, and sorting on the ends of this self-reactivity spectrum, we find that pre-existing transcriptional differences among naive CD4+ T cells impact follicular helper T (TFH) cell versus non-TFH effector lineage choice. Moreover, our data implicate TCR signal strength during thymic development in establishing differences in naive CD4+ T cell chromatin landscapes that ultimately shape their effector potential.
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Affiliation(s)
- Dakota Rogers
- Department of Physiology, McGill University, Montreal, QC, Canada; McGill University Research Centre on Complex Traits, Montreal, QC, Canada
| | - Aditi Sood
- Immunology-Oncology Unit, Maisonneuve-Rosemont Hospital Research Center, Montreal, QC, Canada; Department of Microbiology, Immunology, and Infectious Disease, Université de Montréal, Montreal, QC, Canada
| | - HanChen Wang
- Department of Physiology, McGill University, Montreal, QC, Canada; McGill University Research Centre on Complex Traits, Montreal, QC, Canada
| | - Jasper J P van Beek
- Department of Tumor Immunology, Radboud Institute for Molecular Life Sciences, Nijmegen, the Netherlands
| | | | - Patricio Artusa
- Department of Physiology, McGill University, Montreal, QC, Canada; McGill University Research Centre on Complex Traits, Montreal, QC, Canada
| | - Caitlin Schneider
- McGill University Research Centre on Complex Traits, Montreal, QC, Canada; Department of Microbiology and Immunology, McGill University, Montreal, QC, Canada
| | - Connie Shen
- McGill University Research Centre on Complex Traits, Montreal, QC, Canada; Department of Microbiology and Immunology, McGill University, Montreal, QC, Canada
| | - Dylan C Wong
- McGill University Research Centre on Complex Traits, Montreal, QC, Canada; Department of Microbiology and Immunology, McGill University, Montreal, QC, Canada
| | - Aanya Bhagrath
- Department of Physiology, McGill University, Montreal, QC, Canada; McGill University Research Centre on Complex Traits, Montreal, QC, Canada
| | - Marie-Ève Lebel
- Immunology-Oncology Unit, Maisonneuve-Rosemont Hospital Research Center, Montreal, QC, Canada
| | - Stephanie A Condotta
- Department of Microbiology and Immunology, McGill University, Montreal, QC, Canada
| | - Martin J Richer
- Department of Microbiology and Immunology, McGill University, Montreal, QC, Canada
| | - Andrew J Martins
- Multiscale Systems Biology Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - John S Tsang
- Multiscale Systems Biology Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Luis B Barreiro
- Department of Medicine, Genetic Section, University of Chicago, Chicago, IL, USA
| | - Paul François
- Department of Physics, McGill University, Montreal, QC, Canada
| | - David Langlais
- McGill University Research Centre on Complex Traits, Montreal, QC, Canada; Department of Human Genetics, McGill University, Montreal, QC, Canada; McGill University Genome Centre, Montreal, QC, Canada
| | - Heather J Melichar
- Immunology-Oncology Unit, Maisonneuve-Rosemont Hospital Research Center, Montreal, QC, Canada; Department of Medicine, Université de Montréal, Montréal, QC, Canada
| | - Johannes Textor
- Department of Tumor Immunology, Radboud Institute for Molecular Life Sciences, Nijmegen, the Netherlands
| | - Judith N Mandl
- Department of Physiology, McGill University, Montreal, QC, Canada; McGill University Research Centre on Complex Traits, Montreal, QC, Canada; Department of Microbiology and Immunology, McGill University, Montreal, QC, Canada.
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212
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Co DO, Hogan LH, Karman J, Herbath M, Fabry Z, Sandor M. T Cell Interactions in Mycobacterial Granulomas: Non-Specific T Cells Regulate Mycobacteria-Specific T Cells in Granulomatous Lesions. Cells 2021; 10:cells10123285. [PMID: 34943793 PMCID: PMC8699651 DOI: 10.3390/cells10123285] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2021] [Revised: 11/16/2021] [Accepted: 11/20/2021] [Indexed: 11/16/2022] Open
Abstract
Infections with pathogenic mycobacteria are controlled by the formation of a unique structure known as a granuloma. The granuloma represents a host–pathogen interface where bacteria are killed and confined by the host response, but also where bacteria persist. Previous work has demonstrated that the T cell repertoire is heterogenous even at the single granuloma level. However, further work using pigeon cytochrome C (PCC) epitope-tagged BCG (PCC-BCG) and PCC-specific 5CC7 RAG−/− TCR transgenic (Tg) mice has demonstrated that a monoclonal T cell population is able to control infection. At the chronic stage of infection, granuloma-infiltrating T cells remain highly activated in wild-type mice, while T cells in the monoclonal T cell mice are anergic. We hypothesized that addition of an acutely activated non-specific T cell to the monoclonal T cell system could recapitulate the wild-type phenotype. Here we report that activated non-specific T cells have access to the granuloma and deliver a set of cytokines and chemokines to the lesions. Strikingly, non-specific T cells rescue BCG-specific T cells from anergy and enhance the function of BCG-specific T cells in the granuloma in the chronic phase of infection when bacterial antigen load is low. In addition, we find that these same non-specific T cells have an inhibitory effect on systemic BCG-specific T cells. Taken together, these data suggest that T cells non-specific for granuloma-inducing agents can alter the function of granuloma-specific T cells and have important roles in mycobacterial immunity and other granulomatous disorders.
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Affiliation(s)
- Dominic O. Co
- Department of Pediatrics, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI 53705, USA;
| | - Laura H. Hogan
- The Institute for Clinical and Translational Research, University of Wisconsin-Madison, Madison, WI 53705, USA;
| | - Jozsef Karman
- Cambridge Research Center, Abbvie, Inc., Cambridge, MA 02139, USA;
| | - Melinda Herbath
- Department of Pathology, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI 53705, USA; (M.H.); (Z.F.)
| | - Zsuzsanna Fabry
- Department of Pathology, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI 53705, USA; (M.H.); (Z.F.)
| | - Matyas Sandor
- Department of Pathology, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI 53705, USA; (M.H.); (Z.F.)
- Correspondence: ; Tel.: +1-(608)-265-8715
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213
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Abstract
Glioblastoma has emerged as an immunotherapy-refractory tumor based on negative phase III studies of anti-programmed cell death-1 therapy among newly diagnosed as well as recurrent patients. In addition, although much work on vaccine and cellular approaches is ongoing, therapeutic benefit with these approaches has been underwhelming. Much scientific insight into the multitiered layers of immunosuppression exploited by glioblastoma tumors is emerging that sheds light on the explanation for the disappointing results to date and highlights possible therapeutic avenues that may offer a better likelihood of therapeutic benefit for immune-based therapies.
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214
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Chen H, Smith M, Herz J, Li T, Hasley R, Le Saout C, Zhu Z, Cheng J, Gronda A, Martina JA, Irusta PM, Karpova T, McGavern DB, Catalfamo M. The role of protease-activated receptor 1 signaling in CD8 T cell effector functions. iScience 2021; 24:103387. [PMID: 34841225 PMCID: PMC8605340 DOI: 10.1016/j.isci.2021.103387] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 09/28/2021] [Accepted: 10/28/2021] [Indexed: 12/15/2022] Open
Abstract
CD8 T cells are essential for adaptive immunity against viral infections. Protease activated receptor 1 (PAR1) is expressed by CD8 T cells; however, its role in T cell effector function is not well defined. Here we show that in human CD8 T cells, PAR1 stimulation accelerates calcium mobilization. Furthermore, PAR1 is involved in cytotoxic T cell function by facilitating granule trafficking via actin polymerization and repositioning of the microtubule organizing center (MTOC) toward the immunological synapse. In vivo, PAR1-/- mice have reduced cytokine-producing T cells in response to a lymphocytic choriomeningitis virus (LCMV) infection and fail to efficiently control the virus. Specific deletion of PAR1 in LCMV GP33-specific CD8 T cells results in reduced expansion and diminished effector function. These data demonstrate that PAR1 plays a role in T cell activation and function, and this pathway could represent a new therapeutic strategy to modulate CD8 T cell effector function.
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Affiliation(s)
- Hui Chen
- Department of Microbiology and Immunology, Georgetown University School of Medicine, Washington, DC, USA
- Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Mindy Smith
- Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Jasmin Herz
- Viral Immunology and Intravital Imaging Section, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
| | - Tong Li
- Department of Microbiology and Immunology, Georgetown University School of Medicine, Washington, DC, USA
| | - Rebecca Hasley
- Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Cecile Le Saout
- Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Ziang Zhu
- Department of Microbiology and Immunology, Georgetown University School of Medicine, Washington, DC, USA
| | - Jie Cheng
- Department of Microbiology and Immunology, Georgetown University School of Medicine, Washington, DC, USA
| | - Andres Gronda
- Department of Human Science, Georgetown University, Washington, DC, USA
| | - José A. Martina
- Cell and Developmental Biology Center, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD, USA
| | - Pablo M. Irusta
- Department of Human Science, Georgetown University, Washington, DC, USA
| | - Tatiana Karpova
- Laboratory of Receptor Biology and Gene Expression, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Dorian B. McGavern
- Viral Immunology and Intravital Imaging Section, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
| | - Marta Catalfamo
- Department of Microbiology and Immunology, Georgetown University School of Medicine, Washington, DC, USA
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215
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Vick SC, Kolupaev OV, Perou CM, Serody JS. Anti-PD-1 Checkpoint Therapy Can Promote the Function and Survival of Regulatory T Cells. THE JOURNAL OF IMMUNOLOGY 2021; 207:2598-2607. [PMID: 34607937 DOI: 10.4049/jimmunol.2001334] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 09/04/2021] [Indexed: 11/19/2022]
Abstract
We have previously shown in a model of claudin-low breast cancer that regulatory T cells (Tregs) are increased in the tumor microenvironment (TME) and express high levels of PD-1. In mouse models and patients with triple-negative breast cancer, it is postulated that one cause for the lack of activity of anti-PD-1 therapy is the activation of PD-1-expressing Tregs in the TME. We hypothesized that the expression of PD-1 on Tregs would lead to enhanced suppressive function of Tregs and worsen antitumor immunity during PD-1 blockade. To evaluate this, we isolated Tregs from claudin-low tumors and functionally evaluated them ex vivo. We compared transcriptional profiles of Tregs isolated from tumor-bearing mice with or without anti-PD-1 therapy using RNA sequencing. We found several genes associated with survival and proliferation pathways; for example, Jun, Fos, and Bcl2 were significantly upregulated in Tregs exposed to anti-PD-1 treatment. Based on these data, we hypothesized that anti-PD-1 treatment on Tregs results in a prosurvival phenotype. Indeed, Tregs exposed to PD-1 blockade had significantly higher levels of Bcl-2 expression, and this led to increased protection from glucocorticoid-induced apoptosis. In addition, we found in vitro and in vivo that Tregs in the presence of anti-PD-1 proliferated more than control Tregs PD-1 blockade significantly increased the suppressive activity of Tregs at biologically relevant Treg/Tnaive cell ratios. Altogether, we show that this immunotherapy blockade increases proliferation, protection from apoptosis, and suppressive capabilities of Tregs, thus leading to enhanced immunosuppression in the TME.
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Affiliation(s)
- Sarah C Vick
- Department of Microbiology and Immunology, University of North Carolina, Chapel Hill, NC
| | - Oleg V Kolupaev
- Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC; and
| | - Charles M Perou
- Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC; and.,Department of Genetics, University of North Carolina, Chapel Hill, NC
| | - Jonathan S Serody
- Department of Microbiology and Immunology, University of North Carolina, Chapel Hill, NC; .,Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC; and
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216
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Positive QuantiFERON test and the severity of COVID-19 disease: A prospective study. Indian J Tuberc 2021; 68:474-480. [PMID: 34752316 PMCID: PMC7927586 DOI: 10.1016/j.ijtb.2020.12.013] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 12/09/2020] [Indexed: 01/06/2023]
Abstract
Background A strong negative correlation is reported between the Bacille Calmette Guerin (BCG) index and COVID-19 mortality. The present study explored if frequent exposure to strong Th1 antigens like Mycobacteria or Salmonella have any effect on the progression of the disease in COVID-19 patients. Methods This prospective comparative study comprised of 3 groups of 20 each of mild or asymptomatic COVID-19 patients (A), severely ill patients (S) and healthy volunteers with a COVID Negative report (H). Results QuantiFERON TB Gold (QFT) which is interferon gamma release assay (IGRA) against Mtb antigen was used to quantify immunity status of patients against the tuberculosis. Group S showed positive QFT in only 15% patients as against 50% QFT positive patients in group A and H. All fourteen patients in group S with QFT negative report died while 5 of six survived patients showed positive QFT report either on initial or repeat testing done at 6 weeks. The sixth survived patient was QFT negative but showed high antibody titre against H antigen (TH) on Widal test. All severely ill group S patients showed huge reduction of IGRA even to the mitogen stimulus thus suggesting gross general unresponsiveness of T cells. Presence of BCG scar showed no correlation with prevalence or progression of the disease. Conclusion Population in an endemic area of tuberculosis and typhoid with good community exposure to these antigen is likely to withstand COVID -19 better and show reduced mortality following it.
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217
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Guo AL, Zhao JF, Gao L, Huang HH, Zhang JY, Zhang C, Song JW, Xu RN, Fan X, Shi M, Jiao YM, Wang FS. HIV-1-Specific CD11c + CD8 + T Cells Display Low PD-1 Expression and Strong Anti-HIV-1 Activity. Front Immunol 2021; 12:757457. [PMID: 34721433 PMCID: PMC8554207 DOI: 10.3389/fimmu.2021.757457] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 10/01/2021] [Indexed: 11/13/2022] Open
Abstract
Exhaustion of HIV-1-specific CD8+ T cells prevents optimal control of HIV-1 infection. Identifying unconventional CD8+ T cell subsets to effectively control HIV-1 replication is vital. In this study, the role of CD11c+ CD8+ T cells during HIV-1 infection was evaluated. The frequencies of CD11c+ CD8+ T cells significantly increased and were negatively correlated with viral load in HIV-1-infected treatment-naïve patients. HIV-1-specific cells were enriched more in CD11c+ CD8+ T cells than in CD11c- CD8+ T cells, which could be induced by HIV-1-derived overlapping peptides, marking an HIV-1-specific CD8+ T cell population. This subset expressed higher levels of activating markers (CD38 and HLA-DR), cytotoxic markers (granzyme B, perforin, and CD107a), and cytokines (IL-2 and TNF-α), with lower levels of PD-1 compared to the CD11c- CD8+ T cell subset. In vitro analysis verified that CD11c+ CD8+ T cells displayed a stronger HIV-1-specific killing capacity than the CD11c- counterparts. These findings indicate that CD11c+ CD8+ T cells have potent immunotherapeutic efficacy in controlling HIV-1 infection.
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Affiliation(s)
- An-Liang Guo
- Department of Immunology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China.,Senior Department of Infectious Diseases, Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - Jin-Fang Zhao
- Senior Department of Infectious Diseases, Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - Lin Gao
- Senior Department of Infectious Diseases, Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China.,Department of Microbiology & Infectious Disease Center, School of Basic Medical Science, Peking University Health Science Center, Beijing, China
| | - Hui-Huang Huang
- Senior Department of Infectious Diseases, Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - Ji-Yuan Zhang
- Senior Department of Infectious Diseases, Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - Chao Zhang
- Senior Department of Infectious Diseases, Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - Jin-Wen Song
- Senior Department of Infectious Diseases, Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - Ruo-Nan Xu
- Senior Department of Infectious Diseases, Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - Xing Fan
- Senior Department of Infectious Diseases, Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - Ming Shi
- Senior Department of Infectious Diseases, Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - Yan-Mei Jiao
- Senior Department of Infectious Diseases, Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - Fu-Sheng Wang
- Senior Department of Infectious Diseases, Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
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218
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Kuriry H, Casey J, Krassenburg L, La D, Kuczynski M, Shah H, Janssen HLA, Hansen BE, Feld JJ. Spontaneous Clearance After Relapse Following Direct-Acting Antiviral Treatment for Chronic HCV Infection. Clin Gastroenterol Hepatol 2021; 19:2398-2406.e1. [PMID: 32629131 DOI: 10.1016/j.cgh.2020.06.061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 06/11/2020] [Accepted: 06/30/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Direct-acting antivirals (DAAs) cure most cases of chronic hepatitis C virus (HCV) infection. However, a small percentage of patients relapse with reappearance of viremia after a full course of therapy. Although most who relapse require retreatment, some patients spontaneously clear HCV without additional therapy. We studied patients who relapsed with detectable HCV RNA after a full course of DAA therapy and then spontaneously cleared the HCV infection without retreatment. METHODS We performed a case-control study of patients who spontaneously cleared chronic HCV infection following a documented relapse after DAA therapy at the Toronto Centre for Liver Disease, from January 2014 through December 2017. We collected clinical information at baseline, 12 weeks after treatment, and 6 months after relapse and compared data among spontaneous clearers, patients with persistent relapse, and patients who achieved a sustained virologic response to therapy 12 weeks after treatment (SVR12). The strength and breadth of interferon gamma cytokine secretion by HCV-specific T cells from peripheral blood were quantified using the ELISPOT assay. RESULTS Of the 1032 individuals with chronic HCV infection who were treated with DAAs, 93 patients had a documented relapse. Of these patients, 12 patients (13%) spontaneously cleared HCV within 6 months after the documented relapse without additional therapy. The spontaneous clearers had low levels of HCV RNA (<4 log IU/mL in 11 of 12) and normal levels of alanine aminotransferase at the time of relapse, much like patients with an SVR12. There was no significant difference between the spontaneous clearance group and the SVR12 group in magnitude and breadth of HCV-specific T cell responses. CONCLUSIONS In a case-control study of patients who spontaneously cleared chronic HCV infection following a relapse after DAA therapy, we found that it is important to confirm viremia prior to retreatment after the relapse-particularly for individuals with low levels of HCV RNA and normal or near-normal levels of alanine aminotransferase after treatment.
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Affiliation(s)
- Hadi Kuriry
- Toronto Centre for Liver Disease, Toronto General Hospital, University Health Network, University of Toronto, Toronto, Ontario, Canada
| | - Julia Casey
- Toronto Centre for Liver Disease, Toronto General Hospital, University Health Network, University of Toronto, Toronto, Ontario, Canada
| | - Lisette Krassenburg
- Toronto Centre for Liver Disease, Toronto General Hospital, University Health Network, University of Toronto, Toronto, Ontario, Canada; Gastroenterology and Hepatology, Erasmus MC University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Danie La
- Toronto Centre for Liver Disease, Toronto General Hospital, University Health Network, University of Toronto, Toronto, Ontario, Canada
| | - Magdalena Kuczynski
- Toronto Centre for Liver Disease, Toronto General Hospital, University Health Network, University of Toronto, Toronto, Ontario, Canada; Toronto Viral Hepatitis Care Network, Toronto, Ontario, Canada
| | - Hemant Shah
- Toronto Centre for Liver Disease, Toronto General Hospital, University Health Network, University of Toronto, Toronto, Ontario, Canada; Toronto Viral Hepatitis Care Network, Toronto, Ontario, Canada
| | - Harry L A Janssen
- Toronto Centre for Liver Disease, Toronto General Hospital, University Health Network, University of Toronto, Toronto, Ontario, Canada; Toronto Viral Hepatitis Care Network, Toronto, Ontario, Canada
| | - Bettina E Hansen
- Toronto Centre for Liver Disease, Toronto General Hospital, University Health Network, University of Toronto, Toronto, Ontario, Canada; Toronto Viral Hepatitis Care Network, Toronto, Ontario, Canada; Institute of Health Policy, Management, and Evaluation, University of Toronto, Toronto, Ontario, Canada
| | - Jordan J Feld
- Toronto Centre for Liver Disease, Toronto General Hospital, University Health Network, University of Toronto, Toronto, Ontario, Canada; Toronto Viral Hepatitis Care Network, Toronto, Ontario, Canada.
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Miggelbrink AM, Jackson JD, Lorrey SJ, Srinivasan ES, Waibl-Polania J, Wilkinson DS, Fecci PE. CD4 T-Cell Exhaustion: Does It Exist and What Are Its Roles in Cancer? Clin Cancer Res 2021; 27:5742-5752. [PMID: 34127507 PMCID: PMC8563372 DOI: 10.1158/1078-0432.ccr-21-0206] [Citation(s) in RCA: 153] [Impact Index Per Article: 38.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Revised: 05/04/2021] [Accepted: 06/02/2021] [Indexed: 01/07/2023]
Abstract
In chronic infections and in cancer, persistent antigen stimulation under suboptimal conditions can lead to the induction of T-cell exhaustion. Exhausted T cells are characterized by an increased expression of inhibitory markers and a progressive and hierarchical loss of function. Although cancer-induced exhaustion in CD8 T cells has been well-characterized and identified as a therapeutic target (i.e., via checkpoint inhibition), in-depth analyses of exhaustion in other immune cell types, including CD4 T cells, is wanting. While perhaps attributable to the contextual discovery of exhaustion amidst chronic viral infection, the lack of thorough inquiry into CD4 T-cell exhaustion is particularly surprising given their important role in orchestrating immune responses through T-helper and direct cytotoxic functions. Current work suggests that CD4 T-cell exhaustion may indeed be prevalent, and as CD4 T cells have been implicated in various disease pathologies, such exhaustion is likely to be clinically relevant. Defining phenotypic exhaustion in the various CD4 T-cell subsets and how it influences immune responses and disease severity will be crucial to understanding collective immune dysfunction in a variety of pathologies. In this review, we will discuss mechanistic and clinical evidence for CD4 T-cell exhaustion in cancer. Further insight into the derivation and manifestation of exhaustive processes in CD4 T cells could reveal novel therapeutic targets to abrogate CD4 T-cell exhaustion in cancer and induce a robust antitumor immune response.
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Affiliation(s)
- Alexandra M. Miggelbrink
- Duke Brain Tumor Immunotherapy Program, Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina.,Department of Pathology, Duke University Medical Center, Durham, North Carolina
| | - Joshua D. Jackson
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina
| | - Selena J. Lorrey
- Duke Brain Tumor Immunotherapy Program, Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina.,Department of Immunology, Duke University Medical Center, Durham, North Carolina
| | - Ethan S. Srinivasan
- Duke Brain Tumor Immunotherapy Program, Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina.,Duke University School of Medicine, Durham, North Carolina
| | - Jessica Waibl-Polania
- Duke Brain Tumor Immunotherapy Program, Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina.,Department of Pathology, Duke University Medical Center, Durham, North Carolina
| | - Daniel S. Wilkinson
- Duke Brain Tumor Immunotherapy Program, Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina
| | - Peter E. Fecci
- Duke Brain Tumor Immunotherapy Program, Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina.,Department of Pathology, Duke University Medical Center, Durham, North Carolina.,Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina.,Department of Immunology, Duke University Medical Center, Durham, North Carolina.,Corresponding Author: Peter E. Fecci, Department of Neurosurgery, Duke Medical Center, DUMC Box 3050, Durham, NC 27705. Phone: 919–681–1010; E-mail:
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220
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Pietrobon V, Todd LA, Goswami A, Stefanson O, Yang Z, Marincola F. Improving CAR T-Cell Persistence. Int J Mol Sci 2021; 22:ijms221910828. [PMID: 34639168 PMCID: PMC8509430 DOI: 10.3390/ijms221910828] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 09/28/2021] [Accepted: 09/30/2021] [Indexed: 12/15/2022] Open
Abstract
Over the last decade remarkable progress has been made in enhancing the efficacy of CAR T therapies. However, the clinical benefits are still limited, especially in solid tumors. Even in hematological settings, patients that respond to CAR T therapies remain at risk of relapsing due to several factors including poor T-cell expansion and lack of long-term persistence after adoptive transfer. This issue is even more evident in solid tumors, as the tumor microenvironment negatively influences the survival, infiltration, and activity of T-cells. Limited persistence remains a significant hindrance to the development of effective CAR T therapies due to several determinants, which are encountered from the cell manufacturing step and onwards. CAR design and ex vivo manipulation, including culture conditions, may play a pivotal role. Moreover, previous chemotherapy and lymphodepleting treatments may play a relevant role. In this review, the main causes for decreased persistence of CAR T-cells in patients will be discussed, focusing on the molecular mechanisms underlying T-cell exhaustion. The approaches taken so far to overcome these limitations and to create exhaustion-resistant T-cells will be described. We will also examine the knowledge gained from several key clinical trials and highlight the molecular mechanisms determining T-cell stemness, as promoting stemness may represent an attractive approach to improve T-cell therapies.
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Affiliation(s)
- Violena Pietrobon
- Refuge Biotechnologies, Inc., Menlo Park, CA 94025, USA; (A.G.); (O.S.); (Z.Y.)
- Correspondence: (V.P.); (F.M.)
| | - Lauren Anne Todd
- Department of Biology, Faculty of Science, University of Waterloo, Waterloo, ON N2L 3G1, Canada;
| | - Anghsumala Goswami
- Refuge Biotechnologies, Inc., Menlo Park, CA 94025, USA; (A.G.); (O.S.); (Z.Y.)
| | - Ofir Stefanson
- Refuge Biotechnologies, Inc., Menlo Park, CA 94025, USA; (A.G.); (O.S.); (Z.Y.)
| | - Zhifen Yang
- Refuge Biotechnologies, Inc., Menlo Park, CA 94025, USA; (A.G.); (O.S.); (Z.Y.)
| | - Francesco Marincola
- Kite Pharma, Inc., Santa Monica, CA 90404, USA
- Correspondence: (V.P.); (F.M.)
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221
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Rahman MA, Islam MS. Early approval of COVID-19 vaccines: Pros and cons. Hum Vaccin Immunother 2021; 17:3288-3296. [PMID: 34283001 PMCID: PMC8437465 DOI: 10.1080/21645515.2021.1944742] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 05/25/2021] [Accepted: 06/13/2021] [Indexed: 02/08/2023] Open
Abstract
The development of safe and effective vaccines has been an overriding priority for controlling the 2019-coronavirus disease (COVID-19) pandemic. From the onset, COVID-19 has caused high mortality and economic losses and yet has also offered an opportunity to advance novel therapeutics such as DNA and mRNA vaccines. Although it is hoped that the swift acceptance of such vaccines will prevent loss of life, rejuvenate economies and restore normal life, there could also be significant pitfalls. This perspective provides an overview of future directions and challenges in advancing promising vaccine platforms to widespread therapeutic use.
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Affiliation(s)
- Md Arifur Rahman
- Department of Microbiology, Noakhali Science and Technology University, Noakhali, Bangladesh
- Division of Virology, Department of Microbiology and Immunology, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Md Sayeedul Islam
- Department of Biological Sciences, Graduate School of Science, Osaka University, Japan
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222
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Connolly KA, Kuchroo M, Venkat A, Khatun A, Wang J, William I, Hornick NI, Fitzgerald BL, Damo M, Kasmani MY, Cui C, Fagerberg E, Monroy I, Hutchins A, Cheung JF, Foster GG, Mariuzza DL, Nader M, Zhao H, Cui W, Krishnaswamy S, Joshi NS. A reservoir of stem-like CD8 + T cells in the tumor-draining lymph node preserves the ongoing antitumor immune response. Sci Immunol 2021; 6:eabg7836. [PMID: 34597124 PMCID: PMC8593910 DOI: 10.1126/sciimmunol.abg7836] [Citation(s) in RCA: 198] [Impact Index Per Article: 49.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
“Stem-like” TCF1+ CD8+ T (TSL) cells are necessary for long-term maintenance of T cell responses and the efficacy of immunotherapy, but, as tumors contain signals that should drive T cell terminal differentiation, how these cells are maintained in tumors remains unclear. In this study, we found that a small number of TCF1+ tumor-specific CD8+ T cells were present in lung tumors throughout their development. Yet, most intratumoral T cells differentiated as tumors progressed, corresponding with an immunologic shift in the tumor microenvironment (TME) from “hot” (T cell inflamed) to “cold” (non–T cell inflamed). By contrast, most tumor-specific CD8+ T cells in tumor-draining lymph nodes (dLNs) had functions and gene expression signatures similar to TSL from chronic lymphocytic choriomeningitis virus infection, and this population was stable over time despite the changes in the TME. dLN T cells were the developmental precursors of, and were clonally related to, their more differentiated intratumoral counterparts. Our data support the hypothesis that dLN T cells are the developmental precursors of the TCF1+ T cells in tumors that are maintained by continuous migration. Last, CD8+ T cells similar to TSL were also present in LNs from patients with lung adenocarcinoma, suggesting that a similar model may be relevant in human disease. Thus, we propose that the dLN TSL reservoir has a critical function in sustaining antitumor T cells during tumor development and in protecting them from the terminal differentiation that occurs in the TME.
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Affiliation(s)
- Kelli A Connolly
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06519, USA
| | - Manik Kuchroo
- Department of Neuroscience, Yale University School of Medicine, New Haven, CT, USA
| | - Aarthi Venkat
- Computational Biology and Bioinformatics Program, Yale University, New Haven, CT, USA
| | - Achia Khatun
- Department of Microbiology and Immunology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Jiawei Wang
- Computational Biology and Bioinformatics Program, Yale University, New Haven, CT, USA
| | - Ivana William
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06519, USA
| | - Noah I Hornick
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06519, USA
| | - Brittany L Fitzgerald
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06519, USA
| | - Martina Damo
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06519, USA
| | - Moujtaba Y Kasmani
- Department of Microbiology and Immunology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Can Cui
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06519, USA
| | - Eric Fagerberg
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06519, USA
| | - Isabel Monroy
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06519, USA
| | - Amanda Hutchins
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06519, USA
| | - Julie F Cheung
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06519, USA
| | - Gena G Foster
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06519, USA
| | - Dylan L Mariuzza
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06519, USA
| | - Mursal Nader
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06519, USA
| | - Hongyu Zhao
- Department of Biostatistics, Yale School of Public Health, New Haven, CT 06510, USA
| | - Weiguo Cui
- Department of Microbiology and Immunology, Medical College of Wisconsin, Milwaukee, WI, USA
- Versiti Blood Research Institute, Milwaukee, WI 53213, USA
| | - Smita Krishnaswamy
- Department of Genetics and Computer Science, Yale University School of Medicine, New Haven, CT, USA
| | - Nikhil S Joshi
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06519, USA
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223
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Rha MS, Shin EC. Activation or exhaustion of CD8 + T cells in patients with COVID-19. Cell Mol Immunol 2021; 18:2325-2333. [PMID: 34413488 PMCID: PMC8374113 DOI: 10.1038/s41423-021-00750-4] [Citation(s) in RCA: 129] [Impact Index Per Article: 32.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 07/20/2021] [Indexed: 02/07/2023] Open
Abstract
In addition to CD4+ T cells and neutralizing antibodies, CD8+ T cells contribute to protective immune responses against SARS-CoV-2 in patients with coronavirus disease 2019 (COVID-19), an ongoing pandemic disease. In patients with COVID-19, CD8+ T cells exhibiting activated phenotypes are commonly observed, although the absolute number of CD8+ T cells is decreased. In addition, several studies have reported an upregulation of inhibitory immune checkpoint receptors, such as PD-1, and the expression of exhaustion-associated gene signatures in CD8+ T cells from patients with COVID-19. However, whether CD8+ T cells are truly exhausted during COVID-19 has been a controversial issue. In the present review, we summarize the current understanding of CD8+ T-cell exhaustion and describe the available knowledge on the phenotypes and functions of CD8+ T cells in the context of activation and exhaustion. We also summarize recent reports regarding phenotypical and functional analyses of SARS-CoV-2-specific CD8+ T cells and discuss long-term SARS-CoV-2-specific CD8+ T-cell memory.
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Affiliation(s)
- Min-Seok Rha
- Laboratory of Immunology and Infectious Diseases, Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea
- Department of Otorhinolaryngology, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Eui-Cheol Shin
- Laboratory of Immunology and Infectious Diseases, Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea.
- The Center for Epidemic Preparedness, KAIST, Daejeon, Republic of Korea.
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224
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Chronic LCMV Infection Is Fortified with Versatile Tactics to Suppress Host T Cell Immunity and Establish Viral Persistence. Viruses 2021; 13:v13101951. [PMID: 34696381 PMCID: PMC8537583 DOI: 10.3390/v13101951] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 09/15/2021] [Accepted: 09/22/2021] [Indexed: 12/19/2022] Open
Abstract
Ever since the immune regulatory strains of lymphocytic choriomeningitis virus (LCMV), such as Clone 13, were isolated, LCMV infection of mice has served as a valuable model for the mechanistic study of viral immune suppression and virus persistence. The exhaustion of virus-specific T cells was demonstrated during LCMV infection, and the underlying mechanisms have been extensively investigated using LCMV infection in mouse models. In particular, the mechanism for gradual CD8+ T cell exhaustion at molecular and transcriptional levels has been investigated. These studies revealed crucial roles for inhibitory receptors, surface markers, regulatory cytokines, and transcription factors, including PD-1, PSGL-1, CXCR5, and TOX in the regulation of T cells. However, the action mode for CD4+ T cell suppression is largely unknown. Recently, sphingosine kinase 2 was proven to specifically repress CD4+ T cell proliferation and lead to LCMV persistence. As CD4+ T cell regulation was also known to be important for viral persistence, research to uncover the mechanism for CD4+ T cell repression could help us better understand how viruses launch and prolong their persistence. This review summarizes discoveries derived from the study of LCMV in regard to the mechanisms for T cell suppression and approaches for the termination of viral persistence with special emphasis on CD8+ T cells.
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225
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Barili V, Vecchi A, Rossi M, Montali I, Tiezzi C, Penna A, Laccabue D, Missale G, Fisicaro P, Boni C. Unraveling the Multifaceted Nature of CD8 T Cell Exhaustion Provides the Molecular Basis for Therapeutic T Cell Reconstitution in Chronic Hepatitis B and C. Cells 2021; 10:2563. [PMID: 34685543 PMCID: PMC8533840 DOI: 10.3390/cells10102563] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 09/22/2021] [Accepted: 09/23/2021] [Indexed: 12/15/2022] Open
Abstract
In chronic hepatitis B and C virus infections persistently elevated antigen levels drive CD8+ T cells toward a peculiar differentiation state known as T cell exhaustion, which poses crucial constraints to antiviral immunity. Available evidence indicates that T cell exhaustion is associated with a series of metabolic and signaling deregulations and with a very peculiar epigenetic status which all together lead to reduced effector functions. A clear mechanistic network explaining how intracellular metabolic derangements, transcriptional and signaling alterations so far described are interconnected in a comprehensive and unified view of the T cell exhaustion differentiation profile is still lacking. Addressing this issue is of key importance for the development of innovative strategies to boost host immunity in order to achieve viral clearance. This review will discuss the current knowledge in HBV and HCV infections, addressing how innate immunity, metabolic derangements, extensive stress responses and altered epigenetic programs may be targeted to restore functionality and responsiveness of virus-specific CD8 T cells in the context of chronic virus infections.
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Affiliation(s)
- Valeria Barili
- Laboratory of Viral Immunopathology, Unit of Infectious Diseases and Hepatology, Azienda Ospedaliero-Universitaria di Parma, 43126 Parma, Italy; (V.B.); (A.V.); (M.R.); (I.M.); (C.T.); (A.P.); (D.L.); (G.M.)
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy
| | - Andrea Vecchi
- Laboratory of Viral Immunopathology, Unit of Infectious Diseases and Hepatology, Azienda Ospedaliero-Universitaria di Parma, 43126 Parma, Italy; (V.B.); (A.V.); (M.R.); (I.M.); (C.T.); (A.P.); (D.L.); (G.M.)
| | - Marzia Rossi
- Laboratory of Viral Immunopathology, Unit of Infectious Diseases and Hepatology, Azienda Ospedaliero-Universitaria di Parma, 43126 Parma, Italy; (V.B.); (A.V.); (M.R.); (I.M.); (C.T.); (A.P.); (D.L.); (G.M.)
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy
| | - Ilaria Montali
- Laboratory of Viral Immunopathology, Unit of Infectious Diseases and Hepatology, Azienda Ospedaliero-Universitaria di Parma, 43126 Parma, Italy; (V.B.); (A.V.); (M.R.); (I.M.); (C.T.); (A.P.); (D.L.); (G.M.)
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy
| | - Camilla Tiezzi
- Laboratory of Viral Immunopathology, Unit of Infectious Diseases and Hepatology, Azienda Ospedaliero-Universitaria di Parma, 43126 Parma, Italy; (V.B.); (A.V.); (M.R.); (I.M.); (C.T.); (A.P.); (D.L.); (G.M.)
| | - Amalia Penna
- Laboratory of Viral Immunopathology, Unit of Infectious Diseases and Hepatology, Azienda Ospedaliero-Universitaria di Parma, 43126 Parma, Italy; (V.B.); (A.V.); (M.R.); (I.M.); (C.T.); (A.P.); (D.L.); (G.M.)
| | - Diletta Laccabue
- Laboratory of Viral Immunopathology, Unit of Infectious Diseases and Hepatology, Azienda Ospedaliero-Universitaria di Parma, 43126 Parma, Italy; (V.B.); (A.V.); (M.R.); (I.M.); (C.T.); (A.P.); (D.L.); (G.M.)
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy
| | - Gabriele Missale
- Laboratory of Viral Immunopathology, Unit of Infectious Diseases and Hepatology, Azienda Ospedaliero-Universitaria di Parma, 43126 Parma, Italy; (V.B.); (A.V.); (M.R.); (I.M.); (C.T.); (A.P.); (D.L.); (G.M.)
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy
| | - Paola Fisicaro
- Laboratory of Viral Immunopathology, Unit of Infectious Diseases and Hepatology, Azienda Ospedaliero-Universitaria di Parma, 43126 Parma, Italy; (V.B.); (A.V.); (M.R.); (I.M.); (C.T.); (A.P.); (D.L.); (G.M.)
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy
| | - Carolina Boni
- Laboratory of Viral Immunopathology, Unit of Infectious Diseases and Hepatology, Azienda Ospedaliero-Universitaria di Parma, 43126 Parma, Italy; (V.B.); (A.V.); (M.R.); (I.M.); (C.T.); (A.P.); (D.L.); (G.M.)
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226
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Rahman ANU, Liu J, Mujib S, Kidane S, Ali A, Szep S, Han C, Bonner P, Parsons M, Benko E, Kovacs C, Yue FY, Ostrowski M. Elevated glycolysis imparts functional ability to CD8 + T cells in HIV infection. Life Sci Alliance 2021; 4:4/11/e202101081. [PMID: 34548381 PMCID: PMC8473722 DOI: 10.26508/lsa.202101081] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 09/03/2021] [Accepted: 09/07/2021] [Indexed: 12/23/2022] Open
Abstract
The mechanisms inducing exhaustion of HIV-specific CD8+ T cells are not fully understood. Metabolic programming directly influences T-cell differentiation, effector function, and memory. We evaluated metabolic profiles of ex vivo CD8+ T cells in HIV-infected individuals. The baseline oxygen consumption rate of CD8+ T cells was elevated in all infected individuals and CD8+ T cells were working at maximal respiratory capacity. The baseline glycolysis rate was enhanced only during early untreated HIV and in viral controllers, but glycolytic capacity was conserved at all stages of infection. CD8+ T-cell mTOR activity was found to be reduced. Enhanced glycolysis was crucial for HIV-specific killing of CD8+ T cells. CD8+ T-cell cytoplasmic GAPDH content was reduced in HIV, but less in early infection and viral controllers. Thus, CD8+ T-cell exhaustion in HIV is characterized by reduced glycolytic activity, enhanced OXPHOS demands, dysregulated mTOR, and reduced cytoplasmic GAPDH. These data provide potential metabolic strategies to reverse CD8+ T-cell dysfunction in HIV.
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Affiliation(s)
| | - Jun Liu
- Deparment of Medicine, University of Toronto, Toronto, Canada
| | - Shariq Mujib
- Institute of Medical Sciences, University of Toronto, Toronto, Canada
| | - Segen Kidane
- Institute of Medical Sciences, University of Toronto, Toronto, Canada
| | - Arman Ali
- Deparment of Medicine, University of Toronto, Toronto, Canada
| | - Steven Szep
- Deparment of Medicine, University of Toronto, Toronto, Canada
| | - Carrie Han
- Deparment of Medicine, University of Toronto, Toronto, Canada
| | - Phil Bonner
- Deparment of Medicine, University of Toronto, Toronto, Canada
| | - Michael Parsons
- Flow Cytometry Facility, Lunenfeld Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Canada
| | | | | | - Feng Yun Yue
- Deparment of Medicine, University of Toronto, Toronto, Canada
| | - Mario Ostrowski
- Deparment of Medicine, University of Toronto, Toronto, Canada .,Institute of Medical Sciences, University of Toronto, Toronto, Canada.,Deparment of Immunology, University of Toronto, Toronto, Canada.,Keenan Research Centre for Biomedical Sciences of St. Michael's Hospital Toronto, Toronto, Canada
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227
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Zang C, Zhao Y, Qin L, Liu G, Sun J, Li K, Zhao Y, Sheng S, Zhang H, He N, Zhao P, Wang Q, Li X, Peng Y, Dong T, Zhang Y. Distinct tumour antigen-specific T-cell immune response profiles at different hepatocellular carcinoma stages. BMC Cancer 2021; 21:1007. [PMID: 34496797 PMCID: PMC8428121 DOI: 10.1186/s12885-021-08720-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Accepted: 08/19/2021] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Cancer-testis antigens (CTAs) and tumour-associated antigens (TAAs) are frequently expressed in hepatocellular carcinoma (HCC); however, the role of tumour-antigen-specific T cell immunity in HCC progression is poorly defined. We characterized CTA- and TAA-specific T cell responses in different HCC stages and investigated their alterations during HCC progression. METHODS Fifty-eight HCC patients, 15 liver cirrhosis patients, 15 chronic hepatitis B patients and 10 heathy controls were enrolled in total. IFN-γ ELSPOT using CTAs, including MAGE-A1, MAGE-A3, NY-ESO-1, and SSX2, and two TAAs, SALL4 and AFP, was performed to characterize the T-cell immune response in the enrolled individuals. The functional phenotype of T cells and the responsive T cell populations were analyzed using short-term T-cell culture. RESULTS T cell responses against CTAs and TAAs were specific to HCC. In early-stage HCC patients, the SALL4-specific response was the strongest, followed by MAGE-A3, NY-ESO-1, MAGE-A1 and SSX2. One-year recurrence-free survival after transcatheter arterial chemoembolization plus radiofrequency ablation treatment suggested the protective role of CTA-specific responses. The four CTA- and SALL4-specific T cell responses decreased with the progression of HCC, while the AFP-specific T cell response increased. A higher proportion of CD4+ T cells specific to CTA/SALL4 was observed than AFP-specific T cell responses. CONCLUSIONS The IFN-γ ELISPOT assay characterized distinct profiles of tumour-antigen-specific T cell responses in HCC patients. CTA- and SALL4-specific T cell responses may be important for controlling HCC in the early stage, whereas AFP-specific T cell responses might be a signature of malignant tumour status in the advanced stage. The application of immunotherapy at an early stage of HCC development should be considered.
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Affiliation(s)
- Chaoran Zang
- Biomedical Information Center, Beijing YouAn Hospital, Capital Medical University, Beijing, China
- Interventional Therapy Center of Liver Disease, Beijing YouAn Hospital, Capital Medical University, Beijing, China
| | - Yan Zhao
- Clinical Laboratory Center, Beijing YouAn Hospital, Capital Medical University, Beijing, China
| | - Ling Qin
- Biomedical Information Center, Beijing YouAn Hospital, Capital Medical University, Beijing, China
| | - Guihai Liu
- Biomedical Information Center, Beijing YouAn Hospital, Capital Medical University, Beijing, China
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, Oxford University, Oxford, UK
- CAMS Oxford Institute, Nuffield Department of Medicine, Oxford University, Oxford, UK
| | - Jianping Sun
- Biomedical Information Center, Beijing YouAn Hospital, Capital Medical University, Beijing, China
| | - Kang Li
- Biomedical Information Center, Beijing YouAn Hospital, Capital Medical University, Beijing, China
| | - Yanan Zhao
- Department of Radiology and Research Institute of Radiology, The Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, Henan, China
| | - Shoupeng Sheng
- Interventional Therapy Center of Liver Disease, Beijing YouAn Hospital, Capital Medical University, Beijing, China
| | - Honghai Zhang
- Interventional Therapy Center of Liver Disease, Beijing YouAn Hospital, Capital Medical University, Beijing, China
| | - Ning He
- Interventional Therapy Center of Liver Disease, Beijing YouAn Hospital, Capital Medical University, Beijing, China
| | - Peng Zhao
- Interventional Therapy Center of Liver Disease, Beijing YouAn Hospital, Capital Medical University, Beijing, China
| | - Qi Wang
- Biomedical Information Center, Beijing YouAn Hospital, Capital Medical University, Beijing, China
- Interventional Therapy Center of Liver Disease, Beijing YouAn Hospital, Capital Medical University, Beijing, China
| | - Xi Li
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, Oxford University, Oxford, UK
- CAMS Oxford Institute, Nuffield Department of Medicine, Oxford University, Oxford, UK
| | - Yanchun Peng
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, Oxford University, Oxford, UK
- CAMS Oxford Institute, Nuffield Department of Medicine, Oxford University, Oxford, UK
| | - Tao Dong
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, Oxford University, Oxford, UK.
- CAMS Oxford Institute, Nuffield Department of Medicine, Oxford University, Oxford, UK.
| | - Yonghong Zhang
- Biomedical Information Center, Beijing YouAn Hospital, Capital Medical University, Beijing, China.
- Interventional Therapy Center of Liver Disease, Beijing YouAn Hospital, Capital Medical University, Beijing, China.
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228
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Charmoy M, Wyss T, Delorenzi M, Held W. PD-1 + Tcf1 + CD8 + T cells from established chronic infection can form memory while retaining a stableimprint of persistent antigen exposure. Cell Rep 2021; 36:109672. [PMID: 34496259 DOI: 10.1016/j.celrep.2021.109672] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 06/28/2021] [Accepted: 08/16/2021] [Indexed: 12/13/2022] Open
Abstract
Virus-specific PD1+ Tcf1+ memory-like CD8+ T cells (TMLs) maintain the CD8+ T cell response during chronic viral infection. However, the fate of these cells following cessation of persistent antigen exposure has been unclear. Here, we find that TMLs persist upon transfer into antigen-free hosts and form memory following recall stimulation. Phenotypic, functional, and transcriptome analyses show that TML-derived memory cells resemble those arising in response to acute, resolved infection, but they retain features of chronically stimulated cells, including elevated PD-1 and Tox and reduced cytokine expression. This chronic infection imprint is largely accounted for by constitutive Tox expression. Virus-specific Tcf1+ CD8+ T cells that persist after clearance of systemic infection also display a chronic infection imprint. Notwithstanding, renewed virus exposure induces a recall response, which controls virus infection in part. Thus, cessation of chronic antigen exposure yields a memory CD8+ T cell compartment that reflects prior stimulation.
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Affiliation(s)
- Mélanie Charmoy
- Department of Oncology, University of Lausanne, Lausanne, Switzerland
| | - Tania Wyss
- SIB Swiss Institute of Bioinformatics, Bioinformatics Core Facility, Lausanne, Switzerland
| | - Mauro Delorenzi
- Department of Oncology, University of Lausanne, Lausanne, Switzerland; SIB Swiss Institute of Bioinformatics, Bioinformatics Core Facility, Lausanne, Switzerland
| | - Werner Held
- Department of Oncology, University of Lausanne, Lausanne, Switzerland.
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229
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Horn S, Borrero-Wolff D, Ritter M, Arndts K, Wiszniewsky A, Debrah LB, Debrah AY, Osei-Mensah J, Chachage M, Hoerauf A, Kroidl I, Layland LE. Distinct Immune Profiles of Exhausted Effector and Memory CD8 + T Cells in Individuals With Filarial Lymphedema. Front Cell Infect Microbiol 2021; 11:680832. [PMID: 34485170 PMCID: PMC8415778 DOI: 10.3389/fcimb.2021.680832] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 07/19/2021] [Indexed: 11/29/2022] Open
Abstract
CD8+ T cells are crucial for the clearance of viral infections, and current research begins to highlight their importance in parasitic diseases too. In-depth research about characteristics of CD8+ T-cell subsets and exhaustion remains uncertain, especially during filariasis, a chronic helminth infection. Lymphatic filariasis, elicited by Wuchereria bancrofti, remains a serious health problem in endemic areas in Ghana, especially in those suffering from morbidity due to lymphedema (LE). In this observational study, the characteristics and profiles of CD8+ T cells were compared between asymptomatic Wuchereria bancrofti-infected individuals, uninfected endemic normals, and those with LE (grades 2–6). Focusing on exhausted memory (CD8+exmem: CD8+ T-betdimEomeshi) and effector (CD8+exeff: CD8+T-bethiEomesdim) CD8+ T-cell subsets, advanced flow cytometry revealed that LE individuals presented reduced frequencies of IFN-γ+CD8+exmem T cells expressing Tim-3 or LAG-3 which negatively correlated to the presence of LE. Moreover, the LE cohort further showed significantly higher frequencies of IL-10+CD8+exeff T cells expressing either Tim-3, LAG-3, CD39, KLRG-1, or PD-1, all associated markers of exhaustion, and that these frequencies positively correlated with the presence of LE. In summary, this study shows that distinct exhausted CD8+ T-cell subsets are prominent in individuals suffering from LE, suggesting that enhanced inflammation and constant immune activation might drive exhaustion of CD8+ T cells. Since T-cell exhaustion is known to be associated with insufficient control of persisting antigen, the data presented here reveals that these CD8+ T-cell exhaustion patterns in filarial LE should be taken into consideration for prevention and control management of LE.
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Affiliation(s)
- Sacha Horn
- Division of Infectious Diseases and Tropical Medicine, University Hospital Munich, Ludwig-Maximilians-Universität (LMU), Munich, Germany
| | - Dennis Borrero-Wolff
- Institute for Medical Microbiology, Immunology and Parasitology (IMMIP), University Hospital Bonn, Bonn, Germany.,German-West African Centre for Global Health and Pandemic Prevention (G-WAC), Partner Site, Bonn, Bonn, Germany
| | - Manuel Ritter
- Institute for Medical Microbiology, Immunology and Parasitology (IMMIP), University Hospital Bonn, Bonn, Germany.,German-West African Centre for Global Health and Pandemic Prevention (G-WAC), Partner Site, Bonn, Bonn, Germany
| | - Kathrin Arndts
- Institute for Medical Microbiology, Immunology and Parasitology (IMMIP), University Hospital Bonn, Bonn, Germany.,German-West African Centre for Global Health and Pandemic Prevention (G-WAC), Partner Site, Bonn, Bonn, Germany
| | - Anna Wiszniewsky
- Institute for Medical Microbiology, Immunology and Parasitology (IMMIP), University Hospital Bonn, Bonn, Germany.,German-West African Centre for Global Health and Pandemic Prevention (G-WAC), Partner Site, Bonn, Bonn, Germany
| | - Linda Batsa Debrah
- Kumasi Centre for Collaborative Research in Tropical Medicine (KCCR), Filariasis Unit, Kumasi, Ghana.,Department of Clinical Microbiology, School of Medicine and Dentistry, Kwame Nkrumah University of Sciences and Technology, Kumasi, Ghana.,German-West African Centre for Global Health and Pandemic Prevention (G-WAC), Partner Site, Kumasi, Kumasi, Ghana
| | - Alexander Y Debrah
- Kumasi Centre for Collaborative Research in Tropical Medicine (KCCR), Filariasis Unit, Kumasi, Ghana.,German-West African Centre for Global Health and Pandemic Prevention (G-WAC), Partner Site, Kumasi, Kumasi, Ghana.,Faculty of Allied Health Sciences, Kwame Nkrumah University of Sciences and Technology, Kumasi, Ghana
| | - Jubin Osei-Mensah
- Kumasi Centre for Collaborative Research in Tropical Medicine (KCCR), Filariasis Unit, Kumasi, Ghana.,German-West African Centre for Global Health and Pandemic Prevention (G-WAC), Partner Site, Kumasi, Kumasi, Ghana
| | - Mkunde Chachage
- Division of Infectious Diseases and Tropical Medicine, University Hospital Munich, Ludwig-Maximilians-Universität (LMU), Munich, Germany.,National Institute for Medical Research (NIMR)-Mbeya Medical Research Center (MMRC), Department of Immunology, Mbeya, Tanzania.,University of Dar es Salaam-Mbeya College of Health and Allied Sciences (UDSM-MCHAS), Department of Microbiology and Immunology, Mbeya, Tanzania
| | - Achim Hoerauf
- Institute for Medical Microbiology, Immunology and Parasitology (IMMIP), University Hospital Bonn, Bonn, Germany.,German-West African Centre for Global Health and Pandemic Prevention (G-WAC), Partner Site, Bonn, Bonn, Germany.,German Centre for Infection Research (DZIF), Neglected Tropical Disease, partner site, Bonn-Cologne, Bonn, Germany
| | - Inge Kroidl
- Division of Infectious Diseases and Tropical Medicine, University Hospital Munich, Ludwig-Maximilians-Universität (LMU), Munich, Germany.,German Centre for Infection Research (DZIF), Neglected Tropical Disease, partner site, Munich, Munich, Germany
| | - Laura E Layland
- Institute for Medical Microbiology, Immunology and Parasitology (IMMIP), University Hospital Bonn, Bonn, Germany.,German-West African Centre for Global Health and Pandemic Prevention (G-WAC), Partner Site, Bonn, Bonn, Germany.,German Centre for Infection Research (DZIF), Neglected Tropical Disease, partner site, Bonn-Cologne, Bonn, Germany
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Abstract
In this essay, we show that 3 distinct approaches to immunological exhaustion coexist and that they only partially overlap, generating potential misunderstandings. Exploring cases ranging from viral infections to cancer, we propose that it is crucial, for experimental and therapeutic purposes, to clarify these approaches and their interconnections so as to make the concept of exhaustion genuinely operational.
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Affiliation(s)
- Hannah Kaminski
- ImmunoConcept, CNRS & University of Bordeaux, Bordeaux, France
| | - Maël Lemoine
- ImmunoConcept, CNRS & University of Bordeaux, Bordeaux, France
| | - Thomas Pradeu
- ImmunoConcept, CNRS & University of Bordeaux, Bordeaux, France
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231
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The Potential of Tissue-Resident Memory T Cells for Adoptive Immunotherapy against Cancer. Cells 2021; 10:cells10092234. [PMID: 34571883 PMCID: PMC8465847 DOI: 10.3390/cells10092234] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 08/21/2021] [Accepted: 08/26/2021] [Indexed: 12/12/2022] Open
Abstract
Tissue-resident memory T cells (TRM) comprise an important memory T cell subset that mediates local protection upon pathogen re-encounter. TRM populations preferentially localize at entry sites of pathogens, including epithelia of the skin, lungs and intestine, but have also been observed in secondary lymphoid tissue, brain, liver and kidney. More recently, memory T cells characterized as TRM have also been identified in tumors, including but not limited to melanoma, lung carcinoma, cervical carcinoma, gastric carcinoma and ovarian carcinoma. The presence of these memory T cells has been strongly associated with favorable clinical outcomes, which has generated an interest in targeting TRM cells to improve immunotherapy of cancer patients. Nevertheless, intratumoral TRM have also been found to express checkpoint inhibitory receptors, such as PD-1 and LAG-3. Triggering of such inhibitory receptors could induce dysfunction, often referred to as exhaustion, which may limit the effectiveness of TRM in countering tumor growth. A better understanding of the differentiation and function of TRM in tumor settings is crucial to deploy these memory T cells in future treatment options of cancer patients. The purpose of this review is to provide the current status of an important cancer immunotherapy known as TIL therapy, insight into the role of TRM in the context of antitumor immunity, and the challenges and opportunities to exploit these cells for TIL therapy to ultimately improve cancer treatment.
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232
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Karachi A, Dastmalchi F, Nazarian S, Huang J, Sayour EJ, Jin L, Yang C, Mitchell DA, Rahman M. Optimizing T Cell-Based Therapy for Glioblastoma. Front Immunol 2021; 12:705580. [PMID: 34421912 PMCID: PMC8374079 DOI: 10.3389/fimmu.2021.705580] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 07/20/2021] [Indexed: 11/30/2022] Open
Abstract
Evading T cell surveillance is a hallmark of cancer. Patients with solid tissue malignancy, such as glioblastoma (GBM), have multiple forms of immune dysfunction, including defective T cell function. T cell dysfunction is exacerbated by standard treatment strategies such as steroids, chemotherapy, and radiation. Reinvigoration of T cell responses can be achieved by utilizing adoptively transferred T cells, including CAR T cells. However, these cells are at risk for depletion and dysfunction as well. This review will discuss adoptive T cell transfer strategies and methods to avoid T cell dysfunction for the treatment of brain cancer.
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Affiliation(s)
- Aida Karachi
- Lillian S. Wells Department of Neurosurgery, University of Florida (UF) Brain Tumor Immunotherapy Program, University of Florida, Gainesville, FL, United States
| | - Farhad Dastmalchi
- Lillian S. Wells Department of Neurosurgery, University of Florida (UF) Brain Tumor Immunotherapy Program, University of Florida, Gainesville, FL, United States
| | - Saina Nazarian
- Lillian S. Wells Department of Neurosurgery, University of Florida (UF) Brain Tumor Immunotherapy Program, University of Florida, Gainesville, FL, United States
| | - Jianping Huang
- Lillian S. Wells Department of Neurosurgery, University of Florida (UF) Brain Tumor Immunotherapy Program, University of Florida, Gainesville, FL, United States
| | - Elias J Sayour
- Lillian S. Wells Department of Neurosurgery, University of Florida (UF) Brain Tumor Immunotherapy Program, University of Florida, Gainesville, FL, United States
| | - Linchun Jin
- Lillian S. Wells Department of Neurosurgery, University of Florida (UF) Brain Tumor Immunotherapy Program, University of Florida, Gainesville, FL, United States
| | - Changlin Yang
- Lillian S. Wells Department of Neurosurgery, University of Florida (UF) Brain Tumor Immunotherapy Program, University of Florida, Gainesville, FL, United States
| | - Duane A Mitchell
- Lillian S. Wells Department of Neurosurgery, University of Florida (UF) Brain Tumor Immunotherapy Program, University of Florida, Gainesville, FL, United States
| | - Maryam Rahman
- Lillian S. Wells Department of Neurosurgery, University of Florida (UF) Brain Tumor Immunotherapy Program, University of Florida, Gainesville, FL, United States
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233
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Lin YJ, Wei KC, Chen PY, Lim M, Hwang TL. Roles of Neutrophils in Glioma and Brain Metastases. Front Immunol 2021; 12:701383. [PMID: 34484197 PMCID: PMC8411705 DOI: 10.3389/fimmu.2021.701383] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Accepted: 07/19/2021] [Indexed: 12/16/2022] Open
Abstract
Neutrophils, which are the most abundant circulating leukocytes in humans, are the first line of defense against bacterial and fungal infections. Recent studies have reported the role and importance of neutrophils in cancers. Glioma and brain metastases are the most common malignant tumors of the brain. The tumor microenvironment (TME) in the brain is complex and unique owing to the brain-blood barrier or brain-tumor barrier, which may prevent drug penetration and decrease the efficacy of immunotherapy. However, there are limited studies on the correlation between brain cancer and neutrophils. This review discusses the origin and functions of neutrophils. Additionally, the current knowledge on the correlation between neutrophil-to-lymphocyte ratio and prognosis of glioma and brain metastases has been summarized. Furthermore, the implications of tumor-associated neutrophil (TAN) phenotypes and the functions of TANs have been discussed. Finally, the potential effects of various treatments on TANs and the ability of neutrophils to function as a nanocarrier of drugs to the brain TME have been summarized. However, further studies are needed to elucidate the complex interactions between neutrophils, other immune cells, and brain tumor cells.
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Affiliation(s)
- Ya-Jui Lin
- Department of Neurosurgery, Chang Gung Memorial Hospital, Linkou, Taiwan
- Graduate Institute of Natural Products, College of Medicine, Chang Gung University, Taoyuan, Taiwan
- Department of Neurosurgery, Stanford University School of Medicine, Stanford, CA, United States
| | - Kuo-Chen Wei
- Department of Neurosurgery, Chang Gung Memorial Hospital, Linkou, Taiwan
- Department of Neurosurgery, New Taipei Municipal TuCheng Hospital, Chang Gung Medical Foundation, New Taipei, Taiwan
- School of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Pin-Yuan Chen
- School of Medicine, Chang Gung University, Taoyuan, Taiwan
- Department of Neurosurgery, Chang Gung Memorial Hospital, Keelung, Taiwan
| | - Michael Lim
- Department of Neurosurgery, Stanford University School of Medicine, Stanford, CA, United States
| | - Tsong-Long Hwang
- Graduate Institute of Natural Products, College of Medicine, Chang Gung University, Taoyuan, Taiwan
- Research Center for Chinese Herbal Medicine, Research Center for Food and Cosmetic Safety, and Graduate Institute of Health Industry Technology, Chang Gung University of Science and Technology, Taoyuan, Taiwan
- Department of Anesthesiology, Chang Gung Memorial Hospital, Taoyuan, Taiwan
- Department of Chemical Engineering, Ming Chi University of Technology, New Taipei City, Taiwan
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234
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Imaging Tolerance Induction in Neonatal Mice: Hierarchical Interplay Between Allogeneic Adult and Neonatal Immune Cells. Transplantation 2021; 105:1730-1746. [PMID: 33273316 DOI: 10.1097/tp.0000000000003566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND In Medawar's murine neonatal tolerance model, injection of adult semiallogeneic lymphohematopoietic cells (spleen cells [SC] and bone marrow cells [BMC]) tolerizes the neonatal immune system. An eventual clinical application would require fully allogeneic (allo) cells, yet little is known about the complex in vivo/in situ interplay between those cells and the nonconditioned neonatal immune system. METHODS To this end, labeled adult SC and BMC were injected into allogeneic neonates; interactions between donor and host cells were analyzed and modulated by systematic depletion/inactivation of specific donor and host immune effector cell types. RESULTS Consistent with effector cell compositions, allo-SC and allo-SC/BMC each induced lethal acute graft-versus-host disease, whereas allo-BMC alone did so infrequently. CD8 T cells from SC inoculum appeared naïve, while those of BMC were more memory-like. Age-dependent, cell-type dominance defined the interplay between adult donor cells and the neonatal host immune system such that if the dominant adult effector type was removed, then the equivalent neonatal one became dominant. Depletion of donor/host peripheral T cells protected against acute graft-versus-host disease and prolonged heart allograft survival; peripheral CD8 T-cell depletion together with CD4 T cell-costimulation blockade induced more robust tolerance. CONCLUSIONS This comprehensive study provides direct observation of the cellular interplay between allogeneic donor and host immune systems, adds to our previous work with semiallogeneic donor cells, and provides important insights for robust tolerance induction. Induction of transplant tolerance in neonates will likely require "crowd sourcing" of multiple tolerizing cell types and involve depletion of immune effector cells with costimulation blockade.
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235
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Pollari M, Leivonen SK, Leppä S. Testicular Diffuse Large B-Cell Lymphoma-Clinical, Molecular, and Immunological Features. Cancers (Basel) 2021; 13:cancers13164049. [PMID: 34439203 PMCID: PMC8392512 DOI: 10.3390/cancers13164049] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 08/06/2021] [Accepted: 08/10/2021] [Indexed: 12/16/2022] Open
Abstract
Simple Summary Testicular diffuse large B-cell lymphoma (T-DLBCL) is a rare and aggressive lymphoma entity that mainly affects elderly men. It has a high relapse rate with especially the relapses of the central nervous system associating with dismal outcome. T-DLBCL has a unique biology with distinct genetic characteristics and clinical presentation, and the increasing knowledge on the tumor microenvironment of T-DLBCL highlights the significance of the host immunity and immune escape in this rare lymphoma, presenting in an immune-privileged site of the testis. This review provides an update on the latest progress made in T-DLBCL research and summarizes the clinical perspectives in T-DLBCL. Abstract Primary testicular lymphoma is a rare lymphoma entity, yet it is the most common testicular malignancy among elderly men. The majority of the cases represent non-germinal center B-cell-like (non-GCB) diffuse large B-cell lymphoma (DLBCL) with aggressive clinical behavior and a relatively high relapse rate. Due to the rareness of the disease, no randomized clinical trials have been conducted and the currently recognized standard of care is based on retrospective analyses and few phase II trials. During recent years, the tumor microenvironment (TME) and tumor-related immunity have been the focus of many tumor biology studies, and the emergence of targeted therapies and checkpoint inhibitors has significantly modulated the field of cancer therapies. Testicular DLBCL (T-DLBCL) is presented in an immune-privileged site of the testis, and the roles of NF-κB pathway signaling, 9p24.1 aberrations, and tumor-infiltrating immune cells, especially immune checkpoint expressing lymphocytes and macrophages, seem to be unique compared to other lymphoma entities. Preliminary data on the use of immune checkpoint inhibitors in the treatment of T-DLBCL are promising and more studies are ongoing.
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Affiliation(s)
- Marjukka Pollari
- Research Program Unit, Faculty of Medicine, University of Helsinki, 00014 Helsinki, Finland; (S.-K.L.); (S.L.)
- Department of Oncology, Tays Cancer Center, Tampere University Hospital, 33521 Tampere, Finland
- Correspondence:
| | - Suvi-Katri Leivonen
- Research Program Unit, Faculty of Medicine, University of Helsinki, 00014 Helsinki, Finland; (S.-K.L.); (S.L.)
- Department of Oncology, Comprehensive Cancer Center, Helsinki University Hospital, 00029 Helsinki, Finland
| | - Sirpa Leppä
- Research Program Unit, Faculty of Medicine, University of Helsinki, 00014 Helsinki, Finland; (S.-K.L.); (S.L.)
- Department of Oncology, Comprehensive Cancer Center, Helsinki University Hospital, 00029 Helsinki, Finland
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236
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Baudi I, Kawashima K, Isogawa M. HBV-Specific CD8+ T-Cell Tolerance in the Liver. Front Immunol 2021; 12:721975. [PMID: 34421926 PMCID: PMC8378532 DOI: 10.3389/fimmu.2021.721975] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 07/13/2021] [Indexed: 12/15/2022] Open
Abstract
Hepatitis B virus (HBV) remains a leading cause of liver-related morbidity and mortality through chronic hepatitis that may progress to liver cirrhosis and cancer. The central role played by HBV-specific CD8+ T cells in the clearance of acute HBV infection, and HBV-related liver injury is now well established. Vigorous, multifunctional CD8+ T cell responses are usually induced in most adult-onset HBV infections, while chronic hepatitis B (CHB) is characterized by quantitatively and qualitatively weak HBV-specific CD8+ T cell responses. The molecular basis of this dichotomy is poorly understood. Genomic analysis of dysfunctional HBV-specific CD8+ T cells in CHB patients and various mouse models suggest that multifaceted mechanisms including negative signaling and metabolic abnormalities cooperatively establish CD8+ T cell dysfunction. Immunoregulatory cell populations in the liver, including liver resident dendritic cells (DCs), hepatic stellate cells (HSCs), myeloid-derived suppressor cells (MDSCs), may contribute to intrahepatic CD8+ T cell dysfunction through the production of soluble mediators, such as arginase, indoleamine 2,3-dioxygenase (IDO) and suppressive cytokines and the expression of co-inhibitory molecules. A series of recent studies with mouse models of HBV infection suggest that genetic and epigenetic changes in dysfunctional CD8+ T cells are the manifestation of prolonged antigenic stimulation, as well as the absence of co-stimulatory or cytokine signaling. These new findings may provide potential new targets for immunotherapy aiming at invigorating HBV-specific CD8+ T cells, which hopefully cures CHB.
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Affiliation(s)
- Ian Baudi
- Department of Virology and Liver Unit, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Keigo Kawashima
- Department of Virology and Liver Unit, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Masanori Isogawa
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Tokyo, Japan
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237
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McGee HM, Marciscano AE, Campbell AM, Monjazeb AM, Kaech SM, Teijaro JR. Parallels Between the Antiviral State and the Irradiated State. J Natl Cancer Inst 2021; 113:969-979. [PMID: 33252657 PMCID: PMC8502484 DOI: 10.1093/jnci/djaa190] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 10/07/2020] [Accepted: 11/16/2020] [Indexed: 01/12/2023] Open
Abstract
Improved understanding of host antiviral defense and antitumor immunity have elucidated molecular pathways important to both processes. During viral infection, RNA or DNA in the host cell serves as a danger signal that initiates the antiviral response. Recent studies have elucidated similarities in the signaling pathways activated by viruses and the signaling pathways induced by tumor DNA that is released into the cytoplasm of irradiated tumor cells. Both the host defense to viral infection and the sterile inflammation provoked by radiotherapy induce a type I interferon response that is necessary for pathogen control and immune-mediated tumor control, respectively. These findings have led to the hypothesis that radiotherapy employs a form of viral mimicry.
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Affiliation(s)
- Heather M McGee
- NOMIS Center for Immunobiology and Microbial Pathogenesis, The Salk Institute for Biological Studies, La Jolla, CA, USA
| | - Ariel E Marciscano
- Department of Radiation Oncology, Weill Cornell Medical College, New York, NY, USA
| | - Allison M Campbell
- Department of Therapeutic Radiology, Yale School of Medicine, New Haven, CT, USA
| | - Arta M Monjazeb
- Department of Radiation Oncology, UC Davis Comprehensive Cancer Center, Sacramento, CA, USA
| | - Susan M Kaech
- NOMIS Center for Immunobiology and Microbial Pathogenesis, The Salk Institute for Biological Studies, La Jolla, CA, USA
| | - John R Teijaro
- Department of Immunology and Microbiology, Scripps Research Institute, La Jolla, CA, USA
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238
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Abdel-Hakeem MS, Manne S, Beltra JC, Stelekati E, Chen Z, Nzingha K, Ali MA, Johnson JL, Giles JR, Mathew D, Greenplate AR, Vahedi G, Wherry EJ. Epigenetic scarring of exhausted T cells hinders memory differentiation upon eliminating chronic antigenic stimulation. Nat Immunol 2021; 22:1008-1019. [PMID: 34312545 PMCID: PMC8323971 DOI: 10.1038/s41590-021-00975-5] [Citation(s) in RCA: 150] [Impact Index Per Article: 37.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 06/10/2021] [Indexed: 12/16/2022]
Abstract
Exhausted CD8 T cells (TEX) are a distinct state of T cell differentiation associated with failure to clear chronic viruses and cancer. Immunotherapies such as PD-1 blockade can reinvigorate TEX cells, but reinvigoration is not durable. A major unanswered question is whether TEX cells differentiate into functional durable memory T cells (TMEM) upon antigen clearance. Here, using a mouse model, we found that upon eliminating chronic antigenic stimulation, TEX cells partially (re)acquire phenotypic and transcriptional features of TMEM cells. These 'recovering' TEX cells originated from the T cell factor (TCF-1+) TEX progenitor subset. Nevertheless, the recall capacity of these recovering TEX cells remained compromised as compared to TMEM cells. Chromatin-accessibility profiling revealed a failure to recover core memory epigenetic circuits and maintenance of a largely exhausted open chromatin landscape. Thus, despite some phenotypic and transcriptional recovery upon antigen clearance, exhaustion leaves durable epigenetic scars constraining future immune responses. These results support epigenetic remodeling interventions for TEX cell-targeted immunotherapies.
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Affiliation(s)
- Mohamed S Abdel-Hakeem
- Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania, Philadelphia, PA, USA
- Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Department of Microbiology and Immunology, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Sasikanth Manne
- Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania, Philadelphia, PA, USA
- Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Jean-Christophe Beltra
- Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania, Philadelphia, PA, USA
- Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Parker Institute for Cancer Immunotherapy at University of Pennsylvania, Philadelphia, PA, USA
| | - Erietta Stelekati
- Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania, Philadelphia, PA, USA
- Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Department of Microbiology and Immunology, University of Miami, Miami, FL, USA
| | - Zeyu Chen
- Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania, Philadelphia, PA, USA
- Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Kito Nzingha
- Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania, Philadelphia, PA, USA
- Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Mohammed-Alkhatim Ali
- Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania, Philadelphia, PA, USA
- Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - John L Johnson
- Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Department of Microbiology, University of Pennsylvania, Philadelphia, PA, USA
| | - Josephine R Giles
- Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania, Philadelphia, PA, USA
- Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Parker Institute for Cancer Immunotherapy at University of Pennsylvania, Philadelphia, PA, USA
| | - Divij Mathew
- Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania, Philadelphia, PA, USA
- Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Allison R Greenplate
- Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania, Philadelphia, PA, USA
- Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Golnaz Vahedi
- Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Department of Genetics, University of Pennsylvania, Philadelphia, PA, USA
- Penn Epigenetics Institute, University of Pennsylvania, Philadelphia, PA, USA
| | - E John Wherry
- Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania, Philadelphia, PA, USA.
- Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
- Parker Institute for Cancer Immunotherapy at University of Pennsylvania, Philadelphia, PA, USA.
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239
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Common Themes in Zoonotic Spillover and Disease Emergence: Lessons Learned from Bat- and Rodent-Borne RNA Viruses. Viruses 2021; 13:v13081509. [PMID: 34452374 PMCID: PMC8402684 DOI: 10.3390/v13081509] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 07/22/2021] [Accepted: 07/28/2021] [Indexed: 12/18/2022] Open
Abstract
Rodents (order Rodentia), followed by bats (order Chiroptera), comprise the largest percentage of living mammals on earth. Thus, it is not surprising that these two orders account for many of the reservoirs of the zoonotic RNA viruses discovered to date. The spillover of these viruses from wildlife to human do not typically result in pandemics but rather geographically confined outbreaks of human infection and disease. While limited geographically, these viruses cause thousands of cases of human disease each year. In this review, we focus on three questions regarding zoonotic viruses that originate in bats and rodents. First, what biological strategies have evolved that allow RNA viruses to reside in bats and rodents? Second, what are the environmental and ecological causes that drive viral spillover? Third, how does virus spillover occur from bats and rodents to humans?
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240
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Chen J, Song Y, Miao F, Chen G, Zhu Y, Wu N, Pang L, Chen Z, Chen X. PDL1-positive exosomes suppress antitumor immunity by inducing tumor-specific CD8 + T cell exhaustion during metastasis. Cancer Sci 2021; 112:3437-3454. [PMID: 34152672 PMCID: PMC8409314 DOI: 10.1111/cas.15033] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 05/25/2021] [Accepted: 06/14/2021] [Indexed: 02/06/2023] Open
Abstract
Metastasis is the main cause of death in individuals with cancer. Immune checkpoint blockade (ICB) can potentially reverse CD8+ cytotoxic T lymphocytes (CTLs) dysfunction, leading to significant remission in multiple cancers. However, the mechanism underlying the development of CTL exhaustion during metastatic progression remains unclear. Here, we established an experimental pulmonary metastasis model with melanoma cells and discovered a critical role for melanoma‐released exosomes in metastasis. Using genetic knockdown of nSMase2 and Rab27a, 2 key enzymes for exosome secretion, we showed that high levels of effector‐like tumor‐specific CD8+ T cells with transitory exhaustion, instead of terminal exhaustion, were observed in mice without exosomes; these cells showed limited inhibitory receptors and strong proliferation and cytotoxicity. Mechanistically, the immunosuppression of exosomes depends on exogenous PD‐L1, which can be largely rescued by pretreatment with antibody blockade. Notably, we also found that exosomal PD‐L1 acts as a promising predictive biomarker for ICB therapies during metastasis. Together, our findings suggest that exosomal PD‐L1 may be a potential immunotherapy target, suggesting a new curative therapy for tumor metastasis.
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Affiliation(s)
- Ji Chen
- Department of Thoracic Surgery, Huashan Hospital, Fudan University, Shanghai, China
| | - Yang Song
- Department of Thoracic Surgery, Huashan Hospital, Fudan University, Shanghai, China
| | - Feng Miao
- Department of Thoracic Surgery, Huashan Hospital, Fudan University, Shanghai, China
| | - Gang Chen
- Department of Thoracic Surgery, Huashan Hospital, Fudan University, Shanghai, China
| | - Yongjun Zhu
- Department of Thoracic Surgery, Huashan Hospital, Fudan University, Shanghai, China
| | - Ning Wu
- Department of Thoracic Surgery, Huashan Hospital, Fudan University, Shanghai, China
| | - Liewen Pang
- Department of Thoracic Surgery, Huashan Hospital, Fudan University, Shanghai, China
| | - Zhiming Chen
- Department of Thoracic Surgery, Huashan Hospital, Fudan University, Shanghai, China
| | - Xiaofeng Chen
- Department of Thoracic Surgery, Huashan Hospital, Fudan University, Shanghai, China
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241
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Yates KB, Tonnerre P, Martin GE, Gerdemann U, Al Abosy R, Comstock DE, Weiss SA, Wolski D, Tully DC, Chung RT, Allen TM, Kim AY, Fidler S, Fox J, Frater J, Lauer GM, Haining WN, Sen DR. Epigenetic scars of CD8 + T cell exhaustion persist after cure of chronic infection in humans. Nat Immunol 2021; 22:1020-1029. [PMID: 34312547 DOI: 10.1038/s41590-021-00979-1] [Citation(s) in RCA: 150] [Impact Index Per Article: 37.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 06/17/2021] [Indexed: 12/12/2022]
Abstract
T cell exhaustion is an induced state of dysfunction that arises in response to chronic infection and cancer. Exhausted CD8+ T cells acquire a distinct epigenetic state, but it is not known whether that chromatin landscape is fixed or plastic following the resolution of a chronic infection. Here we show that the epigenetic state of exhaustion is largely irreversible, even after curative therapy. Analysis of chromatin accessibility in HCV- and HIV-specific responses identifies a core epigenetic program of exhaustion in CD8+ T cells, which undergoes only limited remodeling before and after resolution of infection. Moreover, canonical features of exhaustion, including super-enhancers near the genes TOX and HIF1A, remain 'epigenetically scarred.' T cell exhaustion is therefore a conserved epigenetic state that becomes fixed and persists independent of chronic antigen stimulation and inflammation. Therapeutic efforts to reverse T cell exhaustion may require new approaches that increase the epigenetic plasticity of exhausted T cells.
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Affiliation(s)
- Kathleen B Yates
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA, USA.,Center for Cancer Research, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA.,Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Pierre Tonnerre
- Division of Gastroenterology, Liver Center, Massachusetts General Hospital, Boston, MA, USA.,Inserm U976, Institut de Recherche Saint-Louis, Paris, France
| | - Genevieve E Martin
- Nuffield Department of Medicine, University of Oxford, Oxford, UK.,Department of Infectious Diseases, Central Clinical School, Monash University, Melbourne, Australia
| | - Ulrike Gerdemann
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Rose Al Abosy
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Dawn E Comstock
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA, USA.,Division of Medical Sciences, Harvard Medical School, Boston, MA, USA
| | - Sarah A Weiss
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA, USA.,Division of Medical Sciences, Harvard Medical School, Boston, MA, USA
| | - David Wolski
- Division of Gastroenterology, Liver Center, Massachusetts General Hospital, Boston, MA, USA
| | - Damien C Tully
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, USA.,Department of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine, London, UK
| | - Raymond T Chung
- Division of Gastroenterology, Liver Center, Massachusetts General Hospital, Boston, MA, USA
| | - Todd M Allen
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, USA
| | - Arthur Y Kim
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, MA, USA
| | - Sarah Fidler
- Division of Medicine, Wright Fleming Institute, Imperial College, London, UK.,Imperial College National Institute for Health Research Biomedical Research Centre, London, UK
| | - Julie Fox
- Department of Genitourinary Medicine and Infectious Disease, Guy's and St Thomas' NHS Foundation Trust, London, UK.,King's College National Institute for Health Research Biomedical Research Centre, London, UK
| | - John Frater
- Nuffield Department of Medicine, University of Oxford, Oxford, UK.,Oxford National Institute for Health Research Biomedical Research Centre, Oxford, UK
| | - Georg M Lauer
- Division of Gastroenterology, Liver Center, Massachusetts General Hospital, Boston, MA, USA
| | - W Nicholas Haining
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA, USA. .,Merck Research Laboratories, Boston, MA, USA.
| | - Debattama R Sen
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA, USA. .,Center for Cancer Research, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA.
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242
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Tonnerre P, Wolski D, Subudhi S, Aljabban J, Hoogeveen RC, Damasio M, Drescher HK, Bartsch LM, Tully DC, Sen DR, Bean DJ, Brown J, Torres-Cornejo A, Robidoux M, Kvistad D, Alatrakchi N, Cui A, Lieb D, Cheney JA, Gustafson J, Lewis-Ximenez LL, Massenet-Regad L, Eisenhaure T, Aneja J, Haining WN, Chung RT, Hacohen N, Allen TM, Kim AY, Lauer GM. Differentiation of exhausted CD8 + T cells after termination of chronic antigen stimulation stops short of achieving functional T cell memory. Nat Immunol 2021; 22:1030-1041. [PMID: 34312544 PMCID: PMC8323980 DOI: 10.1038/s41590-021-00982-6] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Accepted: 06/22/2021] [Indexed: 12/13/2022]
Abstract
T cell exhaustion is associated with failure to clear chronic infections and malignant cells. Defining the molecular mechanisms of T cell exhaustion and reinvigoration is essential to improving immunotherapeutic modalities. Here we confirmed pervasive phenotypic, functional, and transcriptional differences between memory and exhausted antigen-specific CD8+ T cells in human hepatitis C virus (HCV) infection before and after treatment. After viral cure, phenotypic changes in clonally stable exhausted T cell populations suggested differentiation towards a memory-like profile. However, functionally, the cells showed little improvement and critical transcriptional regulators remained in the exhaustion state. Notably, T cells from chronic HCV infection that were exposed to antigen for less time because of viral escape mutations were functionally and transcriptionally more similar to memory T cells from spontaneously resolved HCV infection. Thus, T cell stimulation duration impacts exhaustion recovery, with antigen removal after long-term exhaustion being insufficient for development of functional T cell memory.
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Affiliation(s)
- Pierre Tonnerre
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA. .,Inserm U976, Université de Paris, Institut de Recherche Saint-Louis, Paris, France.
| | - David Wolski
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Sonu Subudhi
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Jihad Aljabban
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Ruben C Hoogeveen
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Marcos Damasio
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Hannah K Drescher
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Lea M Bartsch
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Damien C Tully
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, USA
| | - Debattama R Sen
- Division of Medical Sciences, Harvard Medical School, Boston, MA, USA.,Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - David J Bean
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, USA
| | - Joelle Brown
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Almudena Torres-Cornejo
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Maxwell Robidoux
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Daniel Kvistad
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Nadia Alatrakchi
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Ang Cui
- Broad Institute of MIT and Harvard, Cambridge, MA, USA.,Harvard-MIT Division of Health Sciences and Technology, MIT, Cambridge, MA, USA
| | - David Lieb
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - James A Cheney
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Jenna Gustafson
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | | | | | | | - Jasneet Aneja
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.,Division of Infectious Diseases, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - W Nicholas Haining
- Division of Medical Sciences, Harvard Medical School, Boston, MA, USA.,Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Raymond T Chung
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Nir Hacohen
- Broad Institute of MIT and Harvard, Cambridge, MA, USA.,Center for Cancer Research, Massachusetts General Hospital, Boston, MA, USA
| | - Todd M Allen
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, USA
| | - Arthur Y Kim
- Division of Infectious Diseases, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Georg M Lauer
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.
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243
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Dolina JS, Van Braeckel-Budimir N, Thomas GD, Salek-Ardakani S. CD8 + T Cell Exhaustion in Cancer. Front Immunol 2021; 12:715234. [PMID: 34354714 PMCID: PMC8330547 DOI: 10.3389/fimmu.2021.715234] [Citation(s) in RCA: 278] [Impact Index Per Article: 69.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 07/02/2021] [Indexed: 12/11/2022] Open
Abstract
A paradigm shift in the understanding of the exhausted CD8+ T cell (Tex) lineage is underway. Originally thought to be a uniform population that progressively loses effector function in response to persistent antigen, single-cell analysis has now revealed that CD8+ Tex is composed of multiple interconnected subpopulations. The heterogeneity within the CD8+ Tex lineage is comprised of immune checkpoint blockade (ICB) permissive and refractory subsets termed stem-like and terminally differentiated cells, respectively. These populations occupy distinct peripheral and intratumoral niches and are characterized by transcriptional processes that govern transitions between cell states. This review presents key findings in the field to construct an updated view of the spatial, transcriptional, and functional heterogeneity of anti-tumoral CD8+ Tex. These emerging insights broadly call for (re-)focusing cancer immunotherapies to center on the driver mechanism(s) underlying the CD8+ Tex developmental continuum aimed at stabilizing functional subsets.
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Affiliation(s)
- Joseph S Dolina
- Cancer Immunology Discovery, Pfizer, San Diego, CA, United States
| | | | - Graham D Thomas
- Cancer Immunology Discovery, Pfizer, San Diego, CA, United States
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244
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Giridharan N, Glitza Oliva IC, O'Brien BJ, Parker Kerrigan BC, Heimberger AB, Ferguson SD. Targeting the Tumor Microenvironment in Brain Metastasis. Neurosurg Clin N Am 2021; 31:641-649. [PMID: 32921358 DOI: 10.1016/j.nec.2020.06.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Dynamic interplay between cancer cells and the surrounding microenvironment is a feature of the metastatic process. Successful metastatic brain colonization requires complex mechanisms that ultimately allow tumor cells to adapt to the unique microenvironment of the central nervous system, evade immune destruction, survive, and grow. Accumulating evidence suggests that components of the brain tumor microenvironment (TME) play a vital role in the metastatic cascade. In this review, the authors summarize the contribution of the TME to the development and progression of brain metastasis. They also highlight opportunities for TME-directed targeted therapy.
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Affiliation(s)
- Nisha Giridharan
- Department of Neurosurgery, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Unit 422, Houston, TX 77030, USA
| | - Isabella C Glitza Oliva
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Unit 430, Houston, TX 77030, USA
| | - Barbara J O'Brien
- Department of Neuro-Oncology, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Unit 431, Houston, TX 77030-4009, USA
| | - Brittany C Parker Kerrigan
- Department of Neurosurgery, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Unit 422, Houston, TX 77030, USA
| | - Amy B Heimberger
- Department of Neurosurgery, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Unit 422, Houston, TX 77030, USA
| | - Sherise D Ferguson
- Department of Neurosurgery, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Unit 422, Houston, TX 77030, USA.
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245
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Tinoco R, Neubert EN, Stairiker CJ, Henriquez ML, Bradley LM. PSGL-1 Is a T Cell Intrinsic Inhibitor That Regulates Effector and Memory Differentiation and Responses During Viral Infection. Front Immunol 2021; 12:677824. [PMID: 34326837 PMCID: PMC8314012 DOI: 10.3389/fimmu.2021.677824] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 06/21/2021] [Indexed: 12/02/2022] Open
Abstract
Effective T cell differentiation during acute virus infections leads to the generation of effector T cells that mediate viral clearance, as well as memory T cells that confer protection against subsequent reinfection. While inhibitory immune checkpoints have been shown to promote T cell dysfunction during chronic virus infections and in tumors, their roles in fine tuning the differentiation and responses of effector and memory T cells are only just beginning to be appreciated. We previously identified PSGL-1 as a fundamental regulator of T cell exhaustion that sustains expression of several inhibitory receptors, including PD-1. We now show that PSGL-1 can restrict the magnitude of effector T cell responses and memory T cell development to acute LCMV virus infection by limiting survival, sustaining PD-1 expression, and reducing effector responses. After infection, PSGL-1-deficient effector T cells accumulated to a greater extent than wild type T cells, and preferentially generated memory precursor cells that displayed enhanced accumulation and functional capacity in response to TCR stimulation as persisting memory cells. Although, PSGL-1-deficient memory cells did not exhibit inherent greater sensitivity to cell death, they failed to respond to a homologous virus challenge after adoptive transfer into naïve hosts indicating an impaired capacity to generate memory effector T cell responses in the context of viral infection. These studies underscore the function of PSGL-1 as a key negative regulator of effector and memory T cell differentiation and suggest that PSGL-1 may limit excessive stimulation of memory T cells during acute viral infection.
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Affiliation(s)
- Roberto Tinoco
- Department of Molecular Biology and Biochemistry, University of California, Irvine, Irvine, CA, United States
| | - Emily N Neubert
- Department of Molecular Biology and Biochemistry, University of California, Irvine, Irvine, CA, United States
| | - Christopher J Stairiker
- Infectious and Inflammatory Disease Center, NCI Designated Cancer Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, United States
| | - Monique L Henriquez
- Department of Molecular Biology and Biochemistry, University of California, Irvine, Irvine, CA, United States
| | - Linda M Bradley
- Infectious and Inflammatory Disease Center, NCI Designated Cancer Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, United States
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246
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Llorens-Revull M, Costafreda MI, Rico A, Guerrero-Murillo M, Soria ME, Píriz-Ruzo S, Vargas-Accarino E, Gabriel-Medina P, Rodríguez-Frías F, Riveiro-Barciela M, Perales C, Quer J, Sauleda S, Esteban JI, Bes M. Partial restoration of immune response in Hepatitis C patients after viral clearance by direct-acting antiviral therapy. PLoS One 2021; 16:e0254243. [PMID: 34242330 PMCID: PMC8270431 DOI: 10.1371/journal.pone.0254243] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Accepted: 06/22/2021] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND & AIMS HCV CD4+ and CD8+ specific T cells responses are functionally impaired during chronic hepatitis C infection. DAAs therapies eradicate HCV infection in more than 95% of treated patients. However, the impact of HCV elimination on immune responses remain controversial. Here, we aimed to investigate whether HCV cure by DAAs could reverse the impaired immune response to HCV. METHODS We analyzed 27 chronic HCV infected patients undergoing DAA treatment in tertiary care hospital, and we determined the phenotypical and functional changes in both HCV CD8+ and CD4+ specific T-cells before and after viral clearance. PD-1, TIM-3 and LAG-3 cell-surface expression was assessed by flow cytometry to determine CD4+ T cell exhaustion. Functional responses to HCV were analyzed by IFN-Ɣ ELISPOT, intracellular cytokine staining (IL-2 and IFN-Ɣ) and CFSE-based proliferation assays. RESULTS We observed a significant decrease in the expression of PD-1 in CD4+ T-cells after 12 weeks of viral clearance in non-cirrhotic patients (p = 0.033) and in treatment-naive patients (p = 0.010), indicating a partial CD4 phenotype restoration. IFN-Ɣ and IL-2 cytokines production by HCV-specific CD4+ and CD8+ T cells remained impaired upon HCV eradication. Finally, a significant increase of the proliferation capacity of both HCV CD4+ and CD8+ specific T-cells was observed after HCV elimination by DAAs therapies. CONCLUSIONS Our results show that in chronically infected patients HCV elimination by DAA treatment lead to partial reversion of CD4+ T cell exhaustion. Moreover, proliferative capacity of HCV-specific CD4+ and CD8+ T cells is recovered after DAA's therapies.
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Affiliation(s)
- Meritxell Llorens-Revull
- Liver Diseases-Viral Hepatitis Laboratory, Liver Unit, Vall d’Hebron Institut de Recerca (VHIR), Hospital Universitari Vall d’Hebron (HUVH), Vall d’Hebron Barcelona Hospital Campus, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain
- Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
| | - Maria Isabel Costafreda
- Liver Diseases-Viral Hepatitis Laboratory, Liver Unit, Vall d’Hebron Institut de Recerca (VHIR), Hospital Universitari Vall d’Hebron (HUVH), Vall d’Hebron Barcelona Hospital Campus, Barcelona, Spain
- Transfusion Safety Laboratory, Banc de Sang i Teixits (BST), Barcelona, Spain
| | - Angie Rico
- Liver Diseases-Viral Hepatitis Laboratory, Liver Unit, Vall d’Hebron Institut de Recerca (VHIR), Hospital Universitari Vall d’Hebron (HUVH), Vall d’Hebron Barcelona Hospital Campus, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain
- Transfusion Safety Laboratory, Banc de Sang i Teixits (BST), Barcelona, Spain
| | - Mercedes Guerrero-Murillo
- Liver Diseases-Viral Hepatitis Laboratory, Liver Unit, Vall d’Hebron Institut de Recerca (VHIR), Hospital Universitari Vall d’Hebron (HUVH), Vall d’Hebron Barcelona Hospital Campus, Barcelona, Spain
| | - Maria Eugenia Soria
- Centro de Biología Molecular "Severo Ochoa" (CSIC-UAM), Campus de Cantoblanco, Madrid, Spain
- Department of Clinical Microbiology, IIS-Fundación Jiménez Díaz, UAM, Madrid, Spain
| | - Sofía Píriz-Ruzo
- Liver Diseases-Viral Hepatitis Laboratory, Liver Unit, Vall d’Hebron Institut de Recerca (VHIR), Hospital Universitari Vall d’Hebron (HUVH), Vall d’Hebron Barcelona Hospital Campus, Barcelona, Spain
| | - Elena Vargas-Accarino
- Liver Diseases-Viral Hepatitis Laboratory, Liver Unit, Vall d’Hebron Institut de Recerca (VHIR), Hospital Universitari Vall d’Hebron (HUVH), Vall d’Hebron Barcelona Hospital Campus, Barcelona, Spain
| | - Pablo Gabriel-Medina
- Liver Pathology Laboratory, Biochemistry and Microbiology Unit, Vall d’Hebron Hospital Universitari (HUVH), Vall d’Hebron Barcelona Hospital Campus, Barcelona, Spain
| | - Francisco Rodríguez-Frías
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain
- Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
- Liver Pathology Laboratory, Biochemistry and Microbiology Unit, Vall d’Hebron Hospital Universitari (HUVH), Vall d’Hebron Barcelona Hospital Campus, Barcelona, Spain
- Clinical Biochemistry Unit, Vall d’Hebron Institut de Recerca (VHIR), Hospital Universitari Vall d’Hebron (HUVH), Vall d’Hebron Barcelona Hospital Campus, Barcelona, Spain
| | - Mar Riveiro-Barciela
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain
- Liver Unit, Department of Internal Medicine, Hospital Universitari Vall d’Hebron (HUVH), Vall d’Hebron Barcelona Hospital Campus, Barcelona, Spain
| | - Celia Perales
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain
- Centro de Biología Molecular "Severo Ochoa" (CSIC-UAM), Campus de Cantoblanco, Madrid, Spain
- Department of Clinical Microbiology, IIS-Fundación Jiménez Díaz, UAM, Madrid, Spain
| | - Josep Quer
- Liver Diseases-Viral Hepatitis Laboratory, Liver Unit, Vall d’Hebron Institut de Recerca (VHIR), Hospital Universitari Vall d’Hebron (HUVH), Vall d’Hebron Barcelona Hospital Campus, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain
- Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
| | - Silvia Sauleda
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain
- Transfusion Safety Laboratory, Banc de Sang i Teixits (BST), Barcelona, Spain
| | - Juan Ignacio Esteban
- Liver Diseases-Viral Hepatitis Laboratory, Liver Unit, Vall d’Hebron Institut de Recerca (VHIR), Hospital Universitari Vall d’Hebron (HUVH), Vall d’Hebron Barcelona Hospital Campus, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain
- Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
- Liver Unit, Department of Internal Medicine, Hospital Universitari Vall d’Hebron (HUVH), Vall d’Hebron Barcelona Hospital Campus, Barcelona, Spain
| | - Marta Bes
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain
- Transfusion Safety Laboratory, Banc de Sang i Teixits (BST), Barcelona, Spain
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247
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Abstract
Radiation is a known immune modulator that drives both local and systemic immunologic effects. There is increasing interest and investigation into harnessing the pro-immunogenic effects of radiation for patients with metastatic cancer to improve systemic disease control and clinical outcomes. Here, we review fundamental immunology concepts in the context of our current understanding of both the pro-immunogenic and the less well-appreciated immunosuppressive effects of radiation therapy. Our aim is to offer the radiation oncology community a lens into the progress the field has made understanding the complex interaction between tumor-directed irradiation and immune-mediated tumor control, thus promoting further discovery and translation of radio-immuno-oncology innovation.
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Affiliation(s)
- Catherine S Spina
- Department of Radiation Oncology, Columbia University Irving Medical Center, New York, NY; Herbert Irving Comprehensive Cancer Center, Columbia University Irving Medical Center, New York, NY
| | - Charles G Drake
- Herbert Irving Comprehensive Cancer Center, Columbia University Irving Medical Center, New York, NY; Department of Urology, Columbia University Irving Medical Center, New York, NY; Department of Hematology Oncology, Columbia University Irving Medical Center, New York, NY.
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Collier JL, Weiss SA, Pauken KE, Sen DR, Sharpe AH. Not-so-opposite ends of the spectrum: CD8 + T cell dysfunction across chronic infection, cancer and autoimmunity. Nat Immunol 2021; 22:809-819. [PMID: 34140679 PMCID: PMC9197228 DOI: 10.1038/s41590-021-00949-7] [Citation(s) in RCA: 152] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 04/29/2021] [Indexed: 02/05/2023]
Abstract
CD8+ T cells are critical mediators of cytotoxic effector function in infection, cancer and autoimmunity. In cancer and chronic viral infection, CD8+ T cells undergo a progressive loss of cytokine production and cytotoxicity, a state termed T cell exhaustion. In autoimmunity, autoreactive CD8+ T cells retain the capacity to effectively mediate the destruction of host tissues. Although the clinical outcome differs in each context, CD8+ T cells are chronically exposed to antigen in all three. These chronically stimulated CD8+ T cells share some common phenotypic features, as well as transcriptional and epigenetic programming, across disease contexts. A better understanding of these CD8+ T cell states may reveal novel strategies to augment clearance of chronic viral infection and cancer and to mitigate self-reactivity leading to tissue damage in autoimmunity.
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Affiliation(s)
- Jenna L Collier
- Department of Immunology, Blavatnik Institute, Harvard Medical School, Boston, Massachusetts 02115, USA and Evergrande Center for Immunologic Diseases, Harvard Medical School and Brigham and Women’s Hospital
| | - Sarah A Weiss
- Department of Immunology, Blavatnik Institute, Harvard Medical School, Boston, Massachusetts 02115, USA and Evergrande Center for Immunologic Diseases, Harvard Medical School and Brigham and Women’s Hospital.,Department of Medical Oncology, Dana-Farber Cancer Institute, Boston MA.,Broad Institute of MIT and Harvard, Cambridge MA
| | - Kristen E Pauken
- Department of Immunology, Blavatnik Institute, Harvard Medical School, Boston, Massachusetts 02115, USA and Evergrande Center for Immunologic Diseases, Harvard Medical School and Brigham and Women’s Hospital
| | - Debattama R Sen
- Department of Immunology, Blavatnik Institute, Harvard Medical School, Boston, Massachusetts 02115, USA and Evergrande Center for Immunologic Diseases, Harvard Medical School and Brigham and Women’s Hospital.,Center for Cancer Research, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA 02129, USA
| | - Arlene H Sharpe
- Department of Immunology, Blavatnik Institute, Harvard Medical School, Boston, Massachusetts 02115, USA and Evergrande Center for Immunologic Diseases, Harvard Medical School and Brigham and Women’s Hospital.,Broad Institute of MIT and Harvard, Cambridge MA
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Russell BL, Sooklal SA, Malindisa ST, Daka LJ, Ntwasa M. The Tumor Microenvironment Factors That Promote Resistance to Immune Checkpoint Blockade Therapy. Front Oncol 2021; 11:641428. [PMID: 34268109 PMCID: PMC8276693 DOI: 10.3389/fonc.2021.641428] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 06/16/2021] [Indexed: 12/13/2022] Open
Abstract
Through genetic and epigenetic alterations, cancer cells present the immune system with a diversity of antigens or neoantigens, which the organism must distinguish from self. The immune system responds to neoantigens by activating naïve T cells, which mount an anticancer cytotoxic response. T cell activation begins when the T cell receptor (TCR) interacts with the antigen, which is displayed by the major histocompatibility complex (MHC) on antigen-presenting cells (APCs). Subsequently, accessory stimulatory or inhibitory molecules transduce a secondary signal in concert with the TCR/antigen mediated stimulus. These molecules serve to modulate the activation signal's strength at the immune synapse. Therefore, the activation signal's optimum amplitude is maintained by a balance between the costimulatory and inhibitory signals. This system comprises the so-called immune checkpoints such as the programmed cell death (PD-1) and Cytotoxic T lymphocyte-associated antigen-4 (CTLA-4) and is crucial for the maintenance of self-tolerance. Cancers often evade the intrinsic anti-tumor activity present in normal physiology primarily by the downregulation of T cell activation. The blockade of the immune checkpoint inhibitors using specific monoclonal antibodies has emerged as a potentially powerful anticancer therapy strategy. Several drugs have been approved mainly for solid tumors. However, it has emerged that there are innate and acquired mechanisms by which resistance is developed against these therapies. Some of these are tumor-intrinsic mechanisms, while others are tumor-extrinsic whereby the microenvironment may have innate or acquired resistance to checkpoint inhibitors. This review article will examine mechanisms by which resistance is mounted against immune checkpoint inhibitors focussing on anti-CTL4-A and anti-PD-1/PD-Ll since drugs targeting these checkpoints are the most developed.
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Affiliation(s)
- Bonnie L. Russell
- Department of Life & Consumer Sciences, University of South Africa, Johannesburg, South Africa
- Innovation Hub, Buboo (Pty) Ltd, Pretoria, South Africa
| | - Selisha A. Sooklal
- Department of Life & Consumer Sciences, University of South Africa, Johannesburg, South Africa
| | - Sibusiso T. Malindisa
- Department of Life & Consumer Sciences, University of South Africa, Johannesburg, South Africa
| | | | - Monde Ntwasa
- Department of Life & Consumer Sciences, University of South Africa, Johannesburg, South Africa
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250
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Saraceni C, Birk J. A Review of Hepatitis B Virus and Hepatitis C Virus Immunopathogenesis. J Clin Transl Hepatol 2021; 9:409-418. [PMID: 34221927 PMCID: PMC8237136 DOI: 10.14218/jcth.2020.00095] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 02/21/2021] [Accepted: 04/22/2021] [Indexed: 12/13/2022] Open
Abstract
Despite the advances in therapy, hepatitis B virus (HBV) and hepatitis C virus (HCV) still represent a significant global health burden, both as major causes of cirrhosis, hepatocellular carcinoma, and death worldwide. HBV is capable of incorporating its covalently closed circular DNA into the host cell's hepatocyte genome, making it rather difficult to eradicate its chronic stage. Successful viral clearance depends on the complex interactions between the virus and host's innate and adaptive immune response. One encouraging fact on hepatitis B is the development and effective distribution of the HBV vaccine. This has significantly reduced the spread of this virus. HCV is a RNA virus with high mutagenic capacity, thus enabling it to evade the immune system and have a high rate of chronic progression. High levels of HCV heterogeneity and its mutagenic capacity have made it difficult to create an effective vaccine. The recent advent of direct acting antivirals has ushered in a new era in hepatitis C therapy. Sustained virologic response is achieved with DAAs in 85-99% of cases. However, this still leads to a large population of treatment failures, so further advances in therapy are still needed. This article reviews the immunopathogenesis of HBV and HCV, their properties contributing to host immune system avoidance, chronic disease progression, vaccine efficacy and limitations, as well as treatment options and common pitfalls of said therapy.
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Affiliation(s)
- Corey Saraceni
- Correspondence to: Corey Saraceni, University of Connecticut School of Medicine, Department of Medicine, Division of Gastroenterology and Hepatology, 263 Farmington Avenue, Farmington, CT 06030-8074, USA. Tel: +1-203-733-7408, Fax: +1-860-679-3159, E-mail:
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