1
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Huang J, Michaud E, Shinde-Jadhav S, Fehric S, Marcq G, Mansure JJ, Cury F, Brimo F, Piccirillo CA, Kassouf W. Effects of combined radiotherapy with immune checkpoint blockade on immunological memory in luminal-like subtype murine bladder cancer model. Cancer Biol Ther 2024; 25:2365452. [PMID: 38860746 PMCID: PMC11174127 DOI: 10.1080/15384047.2024.2365452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2024] [Accepted: 06/04/2024] [Indexed: 06/12/2024] Open
Abstract
MIBC is a highly lethal disease, and the patient survival rate has not improved significantly over the last decades. UPPL is a cell line that can be used to recapitulate the luminal-like molecular subtype of bladder cancer and to discover effective treatments to be translated in patients. Here, we investigate the effects of combinational treatments of radiotherapy and immunotherapy in this recently characterized UPPL tumor-bearing mice. We first characterized the baseline tumor microenvironment and the effect of radiation, anti-PD-L1, and combinatorial treatments. Then, the mice were re-challenged with a second tumor (rechallenged tumor) in the contralateral flank of the first tumor to assess the immunological memory. Radiation slowed down the tumor growth. All treatments also decreased the neutrophil population and increased the T cell population. Anti-PD-L1 therapy was not able to synergize with radiation to further delay tumor growth. Furthermore, none of the treatments were able to generate immune memory. The treatments were not sufficient to induce a significant and lasting pool of memory cells. We show here that anti-PD-L1 treatment added to radiotherapy was not enough to achieve T cell-mediated memory in UPPL tumors. Stronger T cell activation signals may be required to enhance radiation efficacy in luminal-like bladder cancer.
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Affiliation(s)
- JiaMin Huang
- Cancer Research Program, Research Institute of McGill University Health Center, Montréal, QC, Canada
| | - Eva Michaud
- Cancer Research Program, Research Institute of McGill University Health Center, Montréal, QC, Canada
| | - Surashri Shinde-Jadhav
- Cancer Research Program, Research Institute of McGill University Health Center, Montréal, QC, Canada
| | - Sabina Fehric
- Cancer Research Program, Research Institute of McGill University Health Center, Montréal, QC, Canada
| | - Gautier Marcq
- Division of Urology, Department of Surgery, McGill University Health Center, Montréal, QC, Canada
| | - Jose Joao Mansure
- Cancer Research Program, Research Institute of McGill University Health Center, Montréal, QC, Canada
| | - Fabio Cury
- Department of Radiation Oncology, McGill University Health Center, Montréal, QC, Canada
| | - Fadi Brimo
- Department of Pathology, McGill University Health Center, Montréal, QC, Canada
| | - Ciriaco A. Piccirillo
- Department of Microbiology and Immunology, McGill University, Montréal, QC, Canada
- Infectious Diseases and Immunology in Global Health Program, The Research Institute of the McGill University Health Centre (RI-MUHC), Montréal, QC, Canada
- Centre of Excellence in Translational Immunology, Montréal, QC, Canada
| | - Wassim Kassouf
- Cancer Research Program, Research Institute of McGill University Health Center, Montréal, QC, Canada
- Division of Urology, Department of Surgery, McGill University Health Center, Montréal, QC, Canada
- Centre of Excellence in Translational Immunology, Montréal, QC, Canada
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2
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Zandhuis ND, Guislain A, Popalzij A, Engels S, Popović B, Turner M, Wolkers MC. Regulation of IFN-γ production by ZFP36L2 in T cells is time-dependent. Eur J Immunol 2024:e2451018. [PMID: 38980256 DOI: 10.1002/eji.202451018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Revised: 06/26/2024] [Accepted: 06/27/2024] [Indexed: 07/10/2024]
Abstract
CD8+ T cells kill target cells by releasing cytotoxic molecules and proinflammatory cytokines, such as TNF and IFN-γ. The magnitude and duration of cytokine production are defined by posttranscriptional regulation, and critical regulator herein are RNA-binding proteins (RBPs). Although the functional importance of RBPs in regulating cytokine production is established, the kinetics and mode of action through which RBPs control cytokine production are not well understood. Previously, we showed that the RBP ZFP36L2 blocks the translation of preformed cytokine encoding mRNA in quiescent memory T cells. Here, we uncover that ZFP36L2 regulates cytokine production in a time-dependent manner. T cell-specific deletion of ZFP36L2 (CD4-cre) had no effect on T-cell development or cytokine production during early time points (2-6 h) of T-cell activation. In contrast, ZFP36L2 specifically dampened the production of IFN-γ during prolonged T-cell activation (20-48 h). ZFP36L2 deficiency also resulted in increased production of IFN-γ production in tumor-infiltrating T cells that are chronically exposed to antigens. Mechanistically, ZFP36L2 regulates IFN-γ production at late time points of activation by destabilizing Ifng mRNA in an AU-rich element-dependent manner. Together, our results reveal that ZFP36L2 employs different regulatory nodules in effector and memory T cells to regulate cytokine production.
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Affiliation(s)
- Nordin D Zandhuis
- Sanquin Blood Supply Foundation, Department of Research, T cell differentiation Lab, Amsterdam, The Netherlands
- Amsterdam UMC, University of Amsterdam, Landsteiner Laboratory, Amsterdam, The Netherlands
- Amsterdam Institute for Infection & Immunity, Cancer center Amsterdam, Cancer Immunology, Amsterdam, The Netherlands
- Oncode Institute, Utrecht, The Netherlands
| | - Aurélie Guislain
- Sanquin Blood Supply Foundation, Department of Research, T cell differentiation Lab, Amsterdam, The Netherlands
- Amsterdam UMC, University of Amsterdam, Landsteiner Laboratory, Amsterdam, The Netherlands
- Amsterdam Institute for Infection & Immunity, Cancer center Amsterdam, Cancer Immunology, Amsterdam, The Netherlands
- Oncode Institute, Utrecht, The Netherlands
| | - Abeera Popalzij
- Sanquin Blood Supply Foundation, Department of Research, T cell differentiation Lab, Amsterdam, The Netherlands
- Amsterdam UMC, University of Amsterdam, Landsteiner Laboratory, Amsterdam, The Netherlands
- Amsterdam Institute for Infection & Immunity, Cancer center Amsterdam, Cancer Immunology, Amsterdam, The Netherlands
- Oncode Institute, Utrecht, The Netherlands
| | - Sander Engels
- Sanquin Blood Supply Foundation, Department of Research, T cell differentiation Lab, Amsterdam, The Netherlands
- Amsterdam UMC, University of Amsterdam, Landsteiner Laboratory, Amsterdam, The Netherlands
- Amsterdam Institute for Infection & Immunity, Cancer center Amsterdam, Cancer Immunology, Amsterdam, The Netherlands
- Oncode Institute, Utrecht, The Netherlands
| | - Branka Popović
- Sanquin Blood Supply Foundation, Department of Research, T cell differentiation Lab, Amsterdam, The Netherlands
- Amsterdam UMC, University of Amsterdam, Landsteiner Laboratory, Amsterdam, The Netherlands
- Amsterdam Institute for Infection & Immunity, Cancer center Amsterdam, Cancer Immunology, Amsterdam, The Netherlands
- Oncode Institute, Utrecht, The Netherlands
| | - Martin Turner
- Immunology Programme, The Babraham Institute, Cambridge, UK
| | - Monika C Wolkers
- Sanquin Blood Supply Foundation, Department of Research, T cell differentiation Lab, Amsterdam, The Netherlands
- Amsterdam UMC, University of Amsterdam, Landsteiner Laboratory, Amsterdam, The Netherlands
- Amsterdam Institute for Infection & Immunity, Cancer center Amsterdam, Cancer Immunology, Amsterdam, The Netherlands
- Oncode Institute, Utrecht, The Netherlands
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3
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Mukhopadhyay S, Pahuja I, Okieh AA, Pandey D, Yadav V, Bhaskar A, Dwivedi VP. Bergenin potentiates BCG efficacy by enriching mycobacteria-specific adaptive memory responses via the Akt-Foxo-Stat4 axis. Tuberculosis (Edinb) 2024; 147:102517. [PMID: 38733881 DOI: 10.1016/j.tube.2024.102517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Revised: 04/30/2024] [Accepted: 05/07/2024] [Indexed: 05/13/2024]
Abstract
The extensive inability of the BCG vaccine to produce long-term immune protection has not only accelerated the disease burden but also progressed towards the onset of drug resistance. In our previous study, we have reported the promising effects of Bergenin (Berg) in imparting significant protection as an adjunct immunomodulator against tuberculosis (TB). In congruence with our investigations, we delineated the impact of Berg on T cells, wherein it enhanced adaptive memory responses by modulating key transcription factors, STAT4 and Akt. We translated this finding into the vaccine model of TB and observed a notable reduction in the burden of Mycobacterium tuberculosis (M.tb) in BCG-Berg co-immunized mice as compared to BCG vaccination. Moreover, Berg, along with BCG, also aided in a heightened proinflammatory response milieu that corroborates the host protective immune response against TB. Furthermore, this response aligns with the escalated central and resident memory responses by modulating the Akt-Foxo-Stat4 axis, which plays a crucial role in enhancing the vaccine efficacy of BCG. These findings showcase the utilization of immunomodulator Berg as an immunoprophylactic agent to upgrade immunological memory, making it a more effective defender against TB.
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Affiliation(s)
- Suparba Mukhopadhyay
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
| | - Isha Pahuja
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
| | - Ahmed Abdallah Okieh
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
| | - Darshana Pandey
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India; Department of Microbiology, Central University of Haryana, Mahendergarh, Haryana, India
| | - Vinod Yadav
- Department of Microbiology, Central University of Haryana, Mahendergarh, Haryana, India
| | - Ashima Bhaskar
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India.
| | - Ved Prakash Dwivedi
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India.
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4
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Cheng L, Becattini S. Local antigen encounter promotes generation of tissue-resident memory T cells in the large intestine. Mucosal Immunol 2024:S1933-0219(24)00046-1. [PMID: 38782240 DOI: 10.1016/j.mucimm.2024.05.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 05/15/2024] [Accepted: 05/16/2024] [Indexed: 05/25/2024]
Abstract
Upon infection, CD8+ T cells that have been primed in the draining lymph nodes migrate to the invaded tissue, where they receive cues prompting their differentiation into tissue-resident memory cells (Trm), which display niche-specific transcriptional features. Despite the importance of these cells, our understanding of their molecular landscape and the signals that dictate their development remains limited, particularly in specific anatomical niches such as the large intestine (LI). Here, we report that LI Trm-generated following oral infection exhibits a distinct transcriptional profile compared to Trm in other tissues. Notably, we observe that local cues play a crucial role in the preferential establishment of LI Trm, favoring precursors that migrate to the tissue early during infection. Our investigations identify cognate antigen recognition as a major driver of Trm differentiation at this anatomical site. Local antigen presentation not only promotes the proliferation of effector cells and memory precursors but also facilitates the acquisition of transcriptional features characteristic of gut Trm. Thus, antigen recognition in the LI favors the establishment of Trm by impacting T cell expansion and gene expression.
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Affiliation(s)
- Liqing Cheng
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland; Geneva Centre for Inflammation Research, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Simone Becattini
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland; Geneva Centre for Inflammation Research, Faculty of Medicine, University of Geneva, Geneva, Switzerland.
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5
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Li G, Chen Y, Liu Y, Gao Z, Jia R, Lv Z, Li Y, Wang Z, Han G. TCR β chain repertoire characteristic between healthy human CD4+ and CD8+ T cells. Biosci Rep 2024; 44:BSR20231653. [PMID: 38323526 PMCID: PMC10920061 DOI: 10.1042/bsr20231653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 01/03/2024] [Accepted: 02/06/2024] [Indexed: 02/08/2024] Open
Abstract
T cell is vital in the adaptive immune system, which relays on T-cell receptor (TCR) to recognize and defend against infection and tumors. T cells are mainly divided into well-known CD4+ and CD8+ T cells, which can recognize short peptide antigens presented by major histocompatibility complex (MHC) class II and MHC class I respectively in humoral and cell-mediated immunity. Due to the Human Leukocyte Antigen (HLA) diversity and restriction with peptides complexation, TCRs are quite diverse and complicated. To better elucidate the TCR in humans, the present study shows the difference between the TCR repertoire in CD4+ and CD8+ T cells from 30 healthy donors. The result showed count, clonality, diversity, frequency, and VDJ usage in CD4+ and CD8+ TCR-β repertoire is different, but CDR3 length is not. The Common Clone Cluster result showed that CD4+ and CD8+ TCR repertoires are connected separately between the bodies, which is odd considering the HLA diversity. More knowledge about TCR makes more opportunities for immunotherapy. The TCR repertoire is still a myth for discovery.
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Affiliation(s)
- Ge Li
- Beijing Institute of Basic Medical Sciences, Beijing 100850, China
| | - Yaqiong Chen
- Beijing Institute of Basic Medical Sciences, Beijing 100850, China
| | - Yinji Liu
- Beijing Institute of Basic Medical Sciences, Beijing 100850, China
| | - Zhenfang Gao
- Beijing Institute of Basic Medical Sciences, Beijing 100850, China
| | - Ruiyan Jia
- Beijing Institute of Basic Medical Sciences, Beijing 100850, China
| | - Zhonglin Lv
- Beijing Institute of Basic Medical Sciences, Beijing 100850, China
| | - Yuxiang Li
- Beijing Institute of Basic Medical Sciences, Beijing 100850, China
| | - Zhiding Wang
- Beijing Institute of Basic Medical Sciences, Beijing 100850, China
| | - Gencheng Han
- Beijing Institute of Basic Medical Sciences, Beijing 100850, China
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6
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Kaminski A, Hager FT, Kopplin L, Ticconi F, Leufgen A, Vendelova E, Rüttger L, Gasteiger G, Cerovic V, Kastenmüller W, Pabst O, Ugur M. Resident regulatory T cells reflect the immune history of individual lymph nodes. Sci Immunol 2023; 8:eadj5789. [PMID: 37874251 DOI: 10.1126/sciimmunol.adj5789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 10/10/2023] [Indexed: 10/25/2023]
Abstract
Regulatory T cells (Tregs) are present in lymphoid and nonlymphoid tissues where they restrict immune activation, prevent autoimmunity, and regulate inflammation. Tregs in nonlymphoid tissues are typically resident, whereas those in lymph nodes (LNs) are considered to recirculate. However, Tregs in LNs are not a homogenous population, and circulation kinetics of different Treg subsets are poorly characterized. Furthermore, whether Tregs can acquire memory T cell properties and persist for extended periods after their activation in LNs is unclear. Here, we used in situ labeling with a stabilized photoconvertible protein to uncover turnover rates of Tregs in LNs in vivo. We found that, whereas most Tregs in LNs recirculate, 10 to 20% are memory-like resident cells that remain in their respective LNs for weeks to months. Single-cell RNA sequencing revealed that LN-resident cells are a functionally and ontogenetically heterogeneous population and share the same core residency gene signature with conventional CD4+ and CD8+ T cells. Resident cells in LNs did not actively proliferate and did not require continuous T cell receptor (TCR) signaling for their residency. However, resident and circulating Tregs had distinct TCR repertoires, and each LN contained exclusive clonal subpopulations of resident Tregs. Our results demonstrate that, similar to conventional T cells, Tregs can form resident memory-like populations in LNs after adaptive immune responses. Specific and local suppression of immune responses by resident Tregs in draining LNs might provide previously unidentified therapeutic opportunities for the treatment of local chronic inflammatory conditions.
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Affiliation(s)
- Anne Kaminski
- Institute of Molecular Medicine, RWTH Aachen University, Aachen 52074, Germany
| | - Fabian Tobias Hager
- Institute of Molecular Medicine, RWTH Aachen University, Aachen 52074, Germany
| | - Lydia Kopplin
- Institute of Molecular Medicine, RWTH Aachen University, Aachen 52074, Germany
| | - Fabio Ticconi
- Institute of Molecular Medicine, RWTH Aachen University, Aachen 52074, Germany
- Institute for Computational Genomics, RWTH Aachen University, Aachen 52074, Germany
| | - Andrea Leufgen
- Institute of Molecular Medicine, RWTH Aachen University, Aachen 52074, Germany
| | - Emilia Vendelova
- Würzburg Institute of Systems Immunology, Max Planck Research Group at the Julius-Maximilians-Universität Würzburg, Würzburg 97078, Germany
| | - Lennart Rüttger
- Würzburg Institute of Systems Immunology, Max Planck Research Group at the Julius-Maximilians-Universität Würzburg, Würzburg 97078, Germany
| | - Georg Gasteiger
- Würzburg Institute of Systems Immunology, Max Planck Research Group at the Julius-Maximilians-Universität Würzburg, Würzburg 97078, Germany
| | - Vuk Cerovic
- Institute of Molecular Medicine, RWTH Aachen University, Aachen 52074, Germany
| | - Wolfgang Kastenmüller
- Würzburg Institute of Systems Immunology, Max Planck Research Group at the Julius-Maximilians-Universität Würzburg, Würzburg 97078, Germany
| | - Oliver Pabst
- Institute of Molecular Medicine, RWTH Aachen University, Aachen 52074, Germany
| | - Milas Ugur
- Institute of Molecular Medicine, RWTH Aachen University, Aachen 52074, Germany
- Würzburg Institute of Systems Immunology, Max Planck Research Group at the Julius-Maximilians-Universität Würzburg, Würzburg 97078, Germany
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7
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Balasubramanian A, Sundrud MS. ATP-dependent transporters: emerging players at the crossroads of immunity and metabolism. Front Immunol 2023; 14:1286696. [PMID: 38022644 PMCID: PMC10644303 DOI: 10.3389/fimmu.2023.1286696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Accepted: 10/11/2023] [Indexed: 12/01/2023] Open
Abstract
Nearly 50 ATP-binding cassette (ABC) transporters are encoded by mammalian genomes. These transporters are characterized by conserved nucleotide-binding and hydrolysis (i.e., ATPase) domains, and power directional transport of diverse substrate classes - ions, small molecule metabolites, xenobiotics, hydrophobic drugs, and even polypeptides - into or out of cells or subcellular organelles. Although immunological functions of ABC transporters are only beginning to be unraveled, emerging literature suggests these proteins have under-appreciated roles in the development and function of T lymphocytes, including many of the key effector, memory and regulatory subsets that arise during responses to infection, inflammation or cancers. One transporter in particular, MDR1 (Multidrug resistance-1; encoded by the ABCB1 locus in humans), has taken center stage as a novel player in immune regulation. Although MDR1 remains widely viewed as a simple drug efflux pump in tumor cells, recent evidence suggests that this transporter fills key endogenous roles in enforcing metabolic fitness of activated CD4 and CD8 T cells. Here, we summarize current understanding of the physiological functions of ABC transporters in immune regulation, with a focus on the anti-oxidant functions of MDR1 that may shape both the magnitude and repertoires of antigen-specific effector and memory T cell compartments. While much remains to be learned about the functions of ABC transporters in immunobiology, it is already clear that they represent fertile new ground, both for the definition of novel immunometabolic pathways, and for the discovery of new drug targets that could be leveraged to optimize immune responses to vaccines and cancer immunotherapies.
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Affiliation(s)
- Akshaya Balasubramanian
- Department of Microbiology and Immunology, Geisel School of Medicine at Dartmouth, Hanover, NH, United States
| | - Mark S. Sundrud
- Department of Microbiology and Immunology, Geisel School of Medicine at Dartmouth, Hanover, NH, United States
- Department of Medicine, Geisel School of Medicine at Dartmouth, Hanover, NH, United States
- Center for Digestive Health, Dartmouth Health, Lebanon, NH, United States
- Dartmouth Cancer Center, Lebanon, NH, United States
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8
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Wells AC, Hioki KA, Angelou CC, Lynch AC, Liang X, Ryan DJ, Thesmar I, Zhanybekova S, Zuklys S, Ullom J, Cheong A, Mager J, Hollander GA, Pobezinskaya EL, Pobezinsky LA. Let-7 enhances murine anti-tumor CD8 T cell responses by promoting memory and antagonizing terminal differentiation. Nat Commun 2023; 14:5585. [PMID: 37696797 PMCID: PMC10495470 DOI: 10.1038/s41467-023-40959-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 08/17/2023] [Indexed: 09/13/2023] Open
Abstract
The success of the CD8 T cell-mediated immune response against infections and tumors depends on the formation of a long-lived memory pool, and the protection of effector cells from exhaustion. The advent of checkpoint blockade therapy has significantly improved anti-tumor therapeutic outcomes by reversing CD8 T cell exhaustion, but fails to generate effector cells with memory potential. Here, using in vivo mouse models, we show that let-7 miRNAs determine CD8 T cell fate, where maintenance of let-7 expression during early cell activation results in memory CD8 T cell formation and tumor clearance. Conversely, let-7-deficiency promotes the generation of a terminal effector population that becomes vulnerable to exhaustion and cell death in immunosuppressive environments and fails to reject tumors. Mechanistically, let-7 restrains metabolic changes that occur during T cell activation through the inhibition of the PI3K/AKT/mTOR signaling pathway and production of reactive oxygen species, potent drivers of terminal differentiation and exhaustion. Thus, our results reveal a role for let-7 in the time-sensitive support of memory formation and the protection of effector cells from exhaustion. Overall, our data suggest a strategy in developing next-generation immunotherapies by preserving the multipotency of effector cells rather than enhancing the efficacy of differentiation.
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Affiliation(s)
- Alexandria C Wells
- Department of Veterinary and Animal science, University of Massachusetts, Amherst, MA, USA
| | - Kaito A Hioki
- Department of Veterinary and Animal science, University of Massachusetts, Amherst, MA, USA
- UMass Biotech Training Program (BTP), Amherst, MA, USA
| | - Constance C Angelou
- Department of Veterinary and Animal science, University of Massachusetts, Amherst, MA, USA
| | - Adam C Lynch
- Department of Veterinary and Animal science, University of Massachusetts, Amherst, MA, USA
| | - Xueting Liang
- Department of Veterinary and Animal science, University of Massachusetts, Amherst, MA, USA
| | - Daniel J Ryan
- Department of Veterinary and Animal science, University of Massachusetts, Amherst, MA, USA
| | - Iris Thesmar
- Department of Veterinary and Animal science, University of Massachusetts, Amherst, MA, USA
| | - Saule Zhanybekova
- Pediatric Immunology, Department of Biomedicine, University of Basel and University Children's Hospital Basel, Basel, Switzerland
| | - Saulius Zuklys
- Pediatric Immunology, Department of Biomedicine, University of Basel and University Children's Hospital Basel, Basel, Switzerland
| | - Jacob Ullom
- Department of Veterinary and Animal science, University of Massachusetts, Amherst, MA, USA
| | - Agnes Cheong
- Department of Veterinary and Animal science, University of Massachusetts, Amherst, MA, USA
| | - Jesse Mager
- Department of Veterinary and Animal science, University of Massachusetts, Amherst, MA, USA
| | - Georg A Hollander
- Pediatric Immunology, Department of Biomedicine, University of Basel and University Children's Hospital Basel, Basel, Switzerland
| | - Elena L Pobezinskaya
- Department of Veterinary and Animal science, University of Massachusetts, Amherst, MA, USA.
| | - Leonid A Pobezinsky
- Department of Veterinary and Animal science, University of Massachusetts, Amherst, MA, USA.
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9
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Yadav M, Uikey BN, Rathore SS, Gupta P, Kashyap D, Kumar C, Shukla D, Vijayamahantesh, Chandel AS, Ahirwar B, Singh AK, Suman SS, Priyadarshi A, Amit A. Role of cytokine in malignant T-cell metabolism and subsequent alternation in T-cell tumor microenvironment. Front Oncol 2023; 13:1235711. [PMID: 37746258 PMCID: PMC10513393 DOI: 10.3389/fonc.2023.1235711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 08/14/2023] [Indexed: 09/26/2023] Open
Abstract
T cells are an important component of adaptive immunity and T-cell-derived lymphomas are very complex due to many functional sub-types and functional elasticity of T-cells. As with other tumors, tissues specific factors are crucial in the development of T-cell lymphomas. In addition to neoplastic cells, T- cell lymphomas consist of a tumor micro-environment composed of normal cells and stroma. Numerous studies established the qualitative and quantitative differences between the tumor microenvironment and normal cell surroundings. Interaction between the various component of the tumor microenvironment is crucial since tumor cells can change the microenvironment and vice versa. In normal T-cell development, T-cells must respond to various stimulants deferentially and during these courses of adaptation. T-cells undergo various metabolic alterations. From the stage of quiescence to attention of fully active form T-cells undergoes various stage in terms of metabolic activity. Predominantly quiescent T-cells have ATP-generating metabolism while during the proliferative stage, their metabolism tilted towards the growth-promoting pathways. In addition to this, a functionally different subset of T-cells requires to activate the different metabolic pathways, and consequently, this regulation of the metabolic pathway control activation and function of T-cells. So, it is obvious that dynamic, and well-regulated metabolic pathways are important for the normal functioning of T-cells and their interaction with the microenvironment. There are various cell signaling mechanisms of metabolism are involved in this regulation and more and more studies have suggested the involvement of additional signaling in the development of the overall metabolic phenotype of T cells. These important signaling mediators include cytokines and hormones. The impact and role of these mediators especially the cytokines on the interplay between T-cell metabolism and the interaction of T-cells with their micro-environments in the context of T-cells lymphomas are discussed in this review article.
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Affiliation(s)
- Megha Yadav
- Department of Forensic Science, Guru Ghasidas Vishwavidyalaya, Bilaspur, India
| | - Blessi N. Uikey
- Department of Forensic Science, Guru Ghasidas Vishwavidyalaya, Bilaspur, India
| | | | - Priyanka Gupta
- Department of Forensic Science, Guru Ghasidas Vishwavidyalaya, Bilaspur, India
| | - Diksha Kashyap
- Department of Forensic Science, Guru Ghasidas Vishwavidyalaya, Bilaspur, India
| | - Chanchal Kumar
- Department of Forensic Science, Guru Ghasidas Vishwavidyalaya, Bilaspur, India
| | - Dhananjay Shukla
- Department of Biotechnology, Guru Ghasidas Vishwavidyalaya, Bilaspur, India
| | - Vijayamahantesh
- Department of Immunology and Microbiology, University of Missouri, Columbia, SC, United States
| | - Arvind Singh Chandel
- Center for Disease Biology and Integrative Medicine, Faculty of Medicine, The University of Tokyo, Bunkyo, Japan
| | - Bharti Ahirwar
- Department of Pharmacy, Guru Ghasidas Vishwavidyalaya, Bilaspur, India
| | | | - Shashi Shekhar Suman
- Department of Zoology, Udayana Charya (UR) College, Lalit Narayan Mithila University, Darbhanga, India
| | - Amit Priyadarshi
- Department of Zoology, Veer Kunwar Singh University, Arrah, India
| | - Ajay Amit
- Department of Forensic Science, Guru Ghasidas Vishwavidyalaya, Bilaspur, India
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10
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Laletin V, Bernard PL, Costa da Silva C, Guittard G, Nunes JA. Negative intracellular regulators of T-cell receptor (TCR) signaling as potential antitumor immunotherapy targets. J Immunother Cancer 2023; 11:jitc-2022-005845. [PMID: 37217244 DOI: 10.1136/jitc-2022-005845] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/21/2023] [Indexed: 05/24/2023] Open
Abstract
Immunotherapy strategies aim to mobilize immune defenses against tumor cells by targeting mainly T cells. Co-inhibitory receptors or immune checkpoints (ICPs) (such as PD-1 and CTLA4) can limit T cell receptor (TCR) signal propagation in T cells. Antibody-based blocking of immune checkpoints (immune checkpoint inhibitors, ICIs) enable escape from ICP inhibition of TCR signaling. ICI therapies have significantly impacted the prognosis and survival of patients with cancer. However, many patients remain refractory to these treatments. Thus, alternative approaches for cancer immunotherapy are needed. In addition to membrane-associated inhibitory molecules, a growing number of intracellular molecules may also serve to downregulate signaling cascades triggered by TCR engagement. These molecules are known as intracellular immune checkpoints (iICPs). Blocking the expression or the activity of these intracellular negative signaling molecules is a novel field of action to boost T cell-mediated antitumor responses. This area is rapidly expanding. Indeed, more than 30 different potential iICPs have been identified. Over the past 5 years, several phase I/II clinical trials targeting iICPs in T cells have been registered. In this study, we summarize recent preclinical and clinical data demonstrating that immunotherapies targeting T cell iICPs can mediate regression of solid tumors including (membrane associated) immune-checkpoint inhibitor refractory cancers. Finally, we discuss how these iICPs are targeted and controlled. Thereby, iICP inhibition is a promising strategy opening new avenues for future cancer immunotherapy treatments.
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Affiliation(s)
- Vladimir Laletin
- Immunity and Cancer, Cancer Research Centre Marseille, Marseille, France
- Onco-hematology and immuno-oncology (OHIO), Centre de Recherche en Cancérologie de Marseille, Marseille, France
| | - Pierre-Louis Bernard
- Immunity and Cancer, Cancer Research Centre Marseille, Marseille, France
- Onco-hematology and immuno-oncology (OHIO), Centre de Recherche en Cancérologie de Marseille, Marseille, France
| | - Cathy Costa da Silva
- Immunity and Cancer, Cancer Research Centre Marseille, Marseille, France
- Onco-hematology and immuno-oncology (OHIO), Centre de Recherche en Cancérologie de Marseille, Marseille, France
| | - Geoffrey Guittard
- Immunity and Cancer, Cancer Research Centre Marseille, Marseille, France
- Onco-hematology and immuno-oncology (OHIO), Centre de Recherche en Cancérologie de Marseille, Marseille, France
| | - Jacques A Nunes
- Immunity and Cancer, Cancer Research Centre Marseille, Marseille, France
- Onco-hematology and immuno-oncology (OHIO), Centre de Recherche en Cancérologie de Marseille, Marseille, France
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11
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Gao X, Wu Y, Chick JM, Abbott A, Jiang B, Wang DJ, Comte-Walters S, Johnson RH, Oberholtzer N, Nishimura MI, Gygi SP, Mehta A, Guttridge DC, Ball L, Mehrotra S, Sicinski P, Yu XZ, Wang H. Targeting protein tyrosine phosphatases for CDK6-induced immunotherapy resistance. Cell Rep 2023; 42:112314. [PMID: 37000627 PMCID: PMC10544673 DOI: 10.1016/j.celrep.2023.112314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 12/20/2022] [Accepted: 03/14/2023] [Indexed: 04/01/2023] Open
Abstract
Elucidating the mechanisms of resistance to immunotherapy and developing strategies to improve its efficacy are challenging goals. Bioinformatics analysis demonstrates that high CDK6 expression in melanoma is associated with poor progression-free survival of patients receiving single-agent immunotherapy. Depletion of CDK6 or cyclin D3 (but not of CDK4, cyclin D1, or D2) in cells of the tumor microenvironment inhibits tumor growth. CDK6 depletion reshapes the tumor immune microenvironment, and the host anti-tumor effect depends on cyclin D3/CDK6-expressing CD8+ and CD4+ T cells. This occurs by CDK6 phosphorylating and increasing the activities of PTP1B and T cell protein tyrosine phosphatase (TCPTP), which, in turn, decreases tyrosine phosphorylation of CD3ζ, reducing the signal transduction for T cell activation. Administration of a PTP1B and TCPTP inhibitor prove more efficacious than using a CDK6 degrader in enhancing T cell-mediated immunotherapy. Targeting protein tyrosine phosphatases (PTPs) might be an effective strategy for cancer patients who resist immunotherapy treatment.
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Affiliation(s)
- Xueliang Gao
- Department of Cell and Molecular Pharmacology & Experimental Therapeutics, Medical University of South Carolina, Charleston, SC 29425, USA; Hollings Cancer Center, Medical University of South Carolina, Charleston, SC 29425, USA.
| | - Yongxia Wu
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Joel M Chick
- Department of Cell Biology, Harvard Medical School, Boston, MA 02215, USA
| | - Andrea Abbott
- Hollings Cancer Center, Medical University of South Carolina, Charleston, SC 29425, USA; Department of Surgery, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Baishan Jiang
- Department of Cancer Biology, Dana-Farber Cancer Institute, and Harvard Medical School, Boston, MA 02215, USA
| | - David J Wang
- Hollings Cancer Center, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Susana Comte-Walters
- Department of Cell and Molecular Pharmacology & Experimental Therapeutics, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Roger H Johnson
- Department of Biophysics, Medical College of Wisconsin, Milwaukee, WI 53226, USA; Cancer Center, Medical College of Wisconsin, Milwaukee, WI 53226, USA
| | - Nathaniel Oberholtzer
- Department of Surgery, Medical University of South Carolina, Charleston, SC 29425, USA
| | | | - Steven P Gygi
- Department of Cell Biology, Harvard Medical School, Boston, MA 02215, USA
| | - Anand Mehta
- Department of Cell and Molecular Pharmacology & Experimental Therapeutics, Medical University of South Carolina, Charleston, SC 29425, USA; Hollings Cancer Center, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Denis C Guttridge
- Hollings Cancer Center, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Lauren Ball
- Department of Cell and Molecular Pharmacology & Experimental Therapeutics, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Shikhar Mehrotra
- Hollings Cancer Center, Medical University of South Carolina, Charleston, SC 29425, USA; Department of Surgery, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Piotr Sicinski
- Department of Cancer Biology, Dana-Farber Cancer Institute, and Harvard Medical School, Boston, MA 02215, USA; Department of Genetics, Blavatnik Institute, Harvard Medical School, Boston, MA 02215, USA
| | - Xue-Zhong Yu
- Hollings Cancer Center, Medical University of South Carolina, Charleston, SC 29425, USA; Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Haizhen Wang
- Department of Cell and Molecular Pharmacology & Experimental Therapeutics, Medical University of South Carolina, Charleston, SC 29425, USA; Hollings Cancer Center, Medical University of South Carolina, Charleston, SC 29425, USA.
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12
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Pahuja I, Negi K, Kumari A, Agarwal M, Mukhopadhyay S, Mathew B, Chaturvedi S, Maras JS, Bhaskar A, Dwivedi VP. Berberine governs NOTCH3/AKT signaling to enrich lung-resident memory T cells during tuberculosis. PLoS Pathog 2023; 19:e1011165. [PMID: 36881595 PMCID: PMC9990925 DOI: 10.1371/journal.ppat.1011165] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 01/30/2023] [Indexed: 03/08/2023] Open
Abstract
Stimulation of naïve T cells during primary infection or vaccination drives the differentiation and expansion of effector and memory T cells that mediate immediate and long-term protection. Despite self-reliant rescue from infection, BCG vaccination, and treatment, long-term memory is rarely established against Mycobacterium tuberculosis (M.tb) resulting in recurrent tuberculosis (TB). Here, we show that berberine (BBR) enhances innate defense mechanisms against M.tb and stimulates the differentiation of Th1/Th17 specific effector memory (TEM), central memory (TCM), and tissue-resident memory (TRM) responses leading to enhanced host protection against drug-sensitive and drug-resistant TB. Through whole proteome analysis of human PBMCs derived from PPD+ healthy individuals, we identify BBR modulated NOTCH3/PTEN/AKT/FOXO1 pathway as the central mechanism of elevated TEM and TRM responses in the human CD4+ T cells. Moreover, BBR-induced glycolysis resulted in enhanced effector functions leading to superior Th1/Th17 responses in human and murine T cells. This regulation of T cell memory by BBR remarkably enhanced the BCG-induced anti-tubercular immunity and lowered the rate of TB recurrence due to relapse and re-infection. These results thus suggest tuning immunological memory as a feasible approach to augment host resistance against TB and unveil BBR as a potential adjunct immunotherapeutic and immunoprophylactic against TB.
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Affiliation(s)
- Isha Pahuja
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, Aruna Asaf Ali Marg, New Delhi, India
- Department of Molecular Medicine, Jamia Hamdard University, New Delhi, India
| | - Kriti Negi
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, Aruna Asaf Ali Marg, New Delhi, India
| | - Anjna Kumari
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, Aruna Asaf Ali Marg, New Delhi, India
| | - Meetu Agarwal
- Department of Molecular Medicine, Jamia Hamdard University, New Delhi, India
| | - Suparba Mukhopadhyay
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, Aruna Asaf Ali Marg, New Delhi, India
| | - Babu Mathew
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences, New Delhi, India
| | - Shivam Chaturvedi
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, Aruna Asaf Ali Marg, New Delhi, India
| | - Jaswinder Singh Maras
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences, New Delhi, India
| | - Ashima Bhaskar
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, Aruna Asaf Ali Marg, New Delhi, India
- * E-mail: (AB); (VPD)
| | - Ved Prakash Dwivedi
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, Aruna Asaf Ali Marg, New Delhi, India
- * E-mail: (AB); (VPD)
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13
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Ota Y, Nagai Y, Hirose Y, Hori S, Koga-Yamakawa E, Eguchi K, Sumida K, Murata M, Umehara H, Yamamoto S. DSP-0509, a systemically available TLR7 agonist, exhibits combination effect with immune checkpoint blockade by activating anti-tumor immune effects. Front Immunol 2023; 14:1055671. [PMID: 36793737 PMCID: PMC9922899 DOI: 10.3389/fimmu.2023.1055671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 01/19/2023] [Indexed: 01/31/2023] Open
Abstract
TLR7 is an innate immune receptor that recognizes single-stranded RNAs, and its activation leads to anti-tumor immune effects. Although it is the only approved TLR7 agonist in cancer therapy, imiquimod is allowed to be administered with topical formulation. Thus, systemic administrative TLR7 agonist is expected in terms of expanding applicable cancer types. Here, we demonstrated the identification and characterization of DSP-0509 as a novel small-molecule TLR7 agonist. DSP-0509 is designed to have unique physicochemical features that could be administered systemically with a short half-life. DSP-0509 activated bone marrow-derived dendritic cells (BMDCs) and induced inflammatory cytokines including type I interferons. In the LM8 tumor-bearing mouse model, DSP-0509 reduced tumor growth not only in subcutaneous primary lesions but also in lung metastatic lesions. DSP-0509 inhibited tumor growth in several syngeneic tumor-bearing mouse models. We found that the CD8+ T cell infiltration of tumor before treatment tended to be positively correlated with anti-tumor efficacy in several mouse tumor models. The combination of DSP-0509 with anti-PD-1 antibody significantly enhanced the tumor growth inhibition compared to each monotherapy in CT26 model mice. In addition, the effector memory T cells were expanded in both the peripheral blood and tumor, and rejection of tumor re-challenge occurred in the combination group. Moreover, synergistic anti-tumor efficacy and effector memory T cell upregulation were also observed for the combination with anti-CTLA-4 antibody. The analysis of the tumor-immune microenvironment by using the nCounter assay revealed that the combination of DSP-0509 with anti-PD-1 antibody enhanced infiltration by multiple immune cells including cytotoxic T cells. In addition, the T cell function pathway and antigen presentation pathway were activated in the combination group. We confirmed that DSP-0509 enhanced the anti-tumor immune effects of anti-PD-1 antibody by inducing type I interferons via activation of dendritic cells and even CTLs. In conclusion, we expect that DSP-0509, a new TLR7 agonist that synergistically induces anti-tumor effector memory T cells with immune checkpoint blockers (ICBs) and can be administered systemically, will be used in the treatment of multiple cancers.
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14
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Tizazu AM, Mengist HM, Demeke G. Aging, inflammaging and immunosenescence as risk factors of severe COVID-19. IMMUNITY & AGEING 2022; 19:53. [PMID: 36369012 PMCID: PMC9650172 DOI: 10.1186/s12979-022-00309-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 10/13/2022] [Indexed: 11/13/2022]
Abstract
Coronavirus disease 2019 (COVID-19) is a respiratory infectious disease caused by the novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). COVID-19 is characterized by having a heterogeneous disease course, ranging from asymptomatic and mild symptoms to more severe and critical cases. In most cases the severity of COVID-19 is related to host factors, especially deregulation of the immune response in patients. Even if COVID-19 indiscriminately affects individuals of different age group, ethnicity and economic status; most severe cases and disproportional mortality occur in elderly individuals. This point out that aging is one risk factor for unfavourable clinical outcomes among COVID-19 patients. The biology of aging is a complex process; Aging can alter the structure and function of cells, tissues, and organs resulting in impaired response to stress. Alongside with other systems, the immune system is also affected with the aging process. Immunosenescence is an age associated change in the immune system that affects the overall response to immunological challenges in the elderly. Similarly, apart from the normal inflammatory process, aging is associated with a low grade, sterile, chronic inflammation which is termed as inflammaging. We hypothesized that inflammaging and immunosenescence could play an important role in SARS-CoV-2 pathogenesis and poor recovery from COVID-19 in elderly individuals. This review summarizes the changes in the immune system with age and how these changes play part in the pathogenesis of SARS-CoV-2 and clinical outcome of COVID-19 which could add to the understanding of age associated targeted immunotherapy in the elderly.
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15
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Daniel B, Yost KE, Hsiung S, Sandor K, Xia Y, Qi Y, Hiam-Galvez KJ, Black M, J Raposo C, Shi Q, Meier SL, Belk JA, Giles JR, Wherry EJ, Chang HY, Egawa T, Satpathy AT. Divergent clonal differentiation trajectories of T cell exhaustion. Nat Immunol 2022; 23:1614-1627. [PMID: 36289450 PMCID: PMC11225711 DOI: 10.1038/s41590-022-01337-5] [Citation(s) in RCA: 49] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 09/13/2022] [Indexed: 11/09/2022]
Abstract
Chronic antigen exposure during viral infection or cancer promotes an exhausted T cell (Tex) state with reduced effector function. However, whether all antigen-specific T cell clones follow the same Tex differentiation trajectory remains unclear. Here, we generate a single-cell multiomic atlas of T cell exhaustion in murine chronic viral infection that redefines Tex phenotypic diversity, including two late-stage Tex subsets with either a terminal exhaustion (Texterm) or a killer cell lectin-like receptor-expressing cytotoxic (TexKLR) phenotype. We use paired single-cell RNA and T cell receptor sequencing to uncover clonal differentiation trajectories of Texterm-biased, TexKLR-biased or divergent clones that acquire both phenotypes. We show that high T cell receptor signaling avidity correlates with Texterm, whereas low avidity correlates with effector-like TexKLR fate. Finally, we identify similar clonal differentiation trajectories in human tumor-infiltrating lymphocytes. These findings reveal clonal heterogeneity in the T cell response to chronic antigen that influences Tex fates and persistence.
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Affiliation(s)
- Bence Daniel
- Department of Pathology, Stanford University, Stanford, CA, USA
- Center for Personal Dynamic Regulomes, Stanford University, Stanford, CA, USA
- Gladstone-UCSF Institute of Genomic Immunology, San Francisco, CA, USA
| | - Kathryn E Yost
- Center for Personal Dynamic Regulomes, Stanford University, Stanford, CA, USA
| | - Sunnie Hsiung
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | - Katalin Sandor
- Department of Pathology, Stanford University, Stanford, CA, USA
- Gladstone-UCSF Institute of Genomic Immunology, San Francisco, CA, USA
| | - Yu Xia
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | - Yanyan Qi
- Department of Pathology, Stanford University, Stanford, CA, USA
| | - Kamir J Hiam-Galvez
- Department of Pathology, Stanford University, Stanford, CA, USA
- Gladstone-UCSF Institute of Genomic Immunology, San Francisco, CA, USA
| | - Mollie Black
- Department of Pathology, Stanford University, Stanford, CA, USA
- Gladstone-UCSF Institute of Genomic Immunology, San Francisco, CA, USA
| | - Colin J Raposo
- Department of Pathology, Stanford University, Stanford, CA, USA
- Gladstone-UCSF Institute of Genomic Immunology, San Francisco, CA, USA
| | - Quanming Shi
- Department of Pathology, Stanford University, Stanford, CA, USA
- Center for Personal Dynamic Regulomes, Stanford University, Stanford, CA, USA
| | - Stefanie L Meier
- Department of Pathology, Stanford University, Stanford, CA, USA
- Gladstone-UCSF Institute of Genomic Immunology, San Francisco, CA, USA
- Parker Institute for Cancer Immunotherapy, San Francisco, CA, USA
| | - Julia A Belk
- Department of Pathology, Stanford University, Stanford, CA, USA
- Gladstone-UCSF Institute of Genomic Immunology, San Francisco, CA, 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
| | - 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
| | - Howard Y Chang
- Center for Personal Dynamic Regulomes, Stanford University, Stanford, CA, USA
- Howard Hughes Medical Institute, Stanford University, Stanford, CA, USA
| | - Takeshi Egawa
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | - Ansuman T Satpathy
- Department of Pathology, Stanford University, Stanford, CA, USA.
- Gladstone-UCSF Institute of Genomic Immunology, San Francisco, CA, USA.
- Parker Institute for Cancer Immunotherapy, San Francisco, CA, USA.
- Stanford Cancer Institute, Stanford University, Stanford, CA, USA.
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16
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Huang J, Leary S, Xiang J. Distinct strengths of mTORC1 control T-cell memory via transcriptional FOXO1 and metabolic AMPKα1 pathways in linear cell differentiation and asymmetric cell division models. Cell Mol Immunol 2022; 19:1073-1076. [PMID: 35589987 PMCID: PMC9508075 DOI: 10.1038/s41423-022-00879-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 05/04/2022] [Indexed: 01/26/2023] Open
Affiliation(s)
- Junqiong Huang
- Cancer Research Cluster, Saskatchewan Cancer Agency, Saskatoon, SK, Canada
- Department of Oncology, College of Medicine, University of Saskatchewan, Saskatoon, SK, Canada
- Department of Blood Transfusion, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Scot Leary
- Department of Biochemistry, Microbiology and Immunology, College of Medicine, University of Saskatchewan, Saskatoon, SK, Canada
| | - Jim Xiang
- Cancer Research Cluster, Saskatchewan Cancer Agency, Saskatoon, SK, Canada.
- Department of Oncology, College of Medicine, University of Saskatchewan, Saskatoon, SK, Canada.
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17
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Song S, Deng X, Jiang S, Tian C, Han J, Chai J, Li N, Yan Y, Luo Z. GRAP2 is a prognostic biomarker and correlated with immune infiltration in lung adenocarcinoma. J Clin Lab Anal 2022; 36:e24662. [PMID: 36181310 DOI: 10.1002/jcla.24662] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 07/22/2022] [Accepted: 08/02/2022] [Indexed: 11/06/2022] Open
Abstract
BACKGROUND GRAP2 is an adaptor protein involved in leukocyte signal activation; however, the prognostic value of GRAP2 and its correlation with immune infiltration in lung adenocarcinoma (LUAD) are unclear. METHODS Original data were downloaded from the TCGA database and Gene Expression Omnibus (GEO) database. GRAP2 expression was analyzed with the TCGA and TIMER databases. We evaluated the influence of GRAP2 on clinical prognosis using the Kaplan-Meier plotter, GEO, and GEPIA database. The TIMER and TISIDB databases were used to investigate correlations between GRAP2 expression and cancer immune characteristics. Finally, we confirmed the expression of GRAP2 in LUAD by immunohistochemistry staining. RESULTS The transcription levels of GRAP2 were significantly lower in several human cancer types, including LUAD, than in adjacent normal tissues. Immunohistochemistry staining confirmed that LUAD tumor tissues had lower GRAP2 protein expression levels than adjacent normal tissues. GRAP2 downregulation was associated with poorer overall survival, pathologic stage, T stage, N stage, and primary therapy outcome in LUAD. Mechanistically, we found a hub gene set that included a total of 91 genes coexpressed with GRAP2, which were closely related to the immune response in LUAD. The expression levels of GRAP2 were positively correlated with the infiltration levels of multiple immune cells and the cumulative survival time of a few immune cells. GRAP2 expression was found to be positively correlated with that of multiple immune markers, chemokines, chemokine receptors, and MHC molecules in LUAD. CONCLUSIONS GRAP2 can be used as a biomarker for assessing prognosis and immune infiltration levels in LUAD.
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Affiliation(s)
- Shimao Song
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Xinzhou Deng
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, China.,Hubei Key Laboratory of Stem Cell Research, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Shan Jiang
- The First Clinical College of Hubei University of Medicine, Shiyan, China
| | - Chao Tian
- The First Clinical College of Hubei University of Medicine, Shiyan, China
| | - Jiahui Han
- Department of Clinical Oncology, Taihe Hospital, Jinzhou Medical University Union Training Base, Shiyan, China
| | - Jingjing Chai
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Na Li
- The First Clinical College of Hubei University of Medicine, Shiyan, China
| | - Yutao Yan
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Zhiguo Luo
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
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18
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Sharma J, Mudalagiriyappa S, Nanjappa SG. T cell responses to control fungal infection in an immunological memory lens. Front Immunol 2022; 13:905867. [PMID: 36177012 PMCID: PMC9513067 DOI: 10.3389/fimmu.2022.905867] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 08/22/2022] [Indexed: 11/24/2022] Open
Abstract
In recent years, fungal vaccine research emanated significant findings in the field of antifungal T-cell immunity. The generation of effector T cells is essential to combat many mucosal and systemic fungal infections. The development of antifungal memory T cells is integral for controlling or preventing fungal infections, and understanding the factors, regulators, and modifiers that dictate the generation of such T cells is necessary. Despite the deficiency in the clear understanding of antifungal memory T-cell longevity and attributes, in this review, we will compile some of the existing literature on antifungal T-cell immunity in the context of memory T-cell development against fungal infections.
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T-Cell Receptor Repertoire Sequencing and Its Applications: Focus on Infectious Diseases and Cancer. Int J Mol Sci 2022; 23:ijms23158590. [PMID: 35955721 PMCID: PMC9369427 DOI: 10.3390/ijms23158590] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 07/28/2022] [Accepted: 07/29/2022] [Indexed: 11/17/2022] Open
Abstract
The immune system is a dynamic feature of each individual and a footprint of our unique internal and external exposures. Indeed, the type and level of exposure to physical and biological agents shape the development and behavior of this complex and diffuse system. Many pathological conditions depend on how our immune system responds or does not respond to a pathogen or a disease or on how the regulation of immunity is altered by the disease itself. T-cells are important players in adaptive immunity and, together with B-cells, define specificity and monitor the internal and external signals that our organism perceives through its specific receptors, TCRs and BCRs, respectively. Today, high-throughput sequencing (HTS) applied to the TCR repertoire has opened a window of opportunity to disclose T-cell repertoire development and behavior down to the clonal level. Although TCR repertoire sequencing is easily accessible today, it is important to deeply understand the available technologies for choosing the best fit for the specific experimental needs and questions. Here, we provide an updated overview of TCR repertoire sequencing strategies, providers and applications to infectious diseases and cancer to guide researchers’ choice through the multitude of available options. The possibility of extending the TCR repertoire to HLA characterization will be of pivotal importance in the near future to understand how specific HLA genes shape T-cell responses in different pathological contexts and will add a level of comprehension that was unthinkable just a few years ago.
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20
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Meraviglia-Crivelli D, Zheleva A, Barainka M, Moreno B, Villanueva H, Pastor F. Therapeutic Strategies to Enhance Tumor Antigenicity: Making the Tumor Detectable by the Immune System. Biomedicines 2022; 10:biomedicines10081842. [PMID: 36009389 PMCID: PMC9405394 DOI: 10.3390/biomedicines10081842] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 07/12/2022] [Accepted: 07/27/2022] [Indexed: 12/22/2022] Open
Abstract
Cancer immunotherapy has revolutionized the oncology field, but many patients still do not respond to current immunotherapy approaches. One of the main challenges in broadening the range of responses to this type of treatment is the limited source of tumor neoantigens. T cells constitute a main line of defense against cancer, and the decisive step to trigger their activation is mediated by antigen recognition. Antigens allow the immune system to differentiate between self and foreign, which constitutes a critical step in recognition of cancer cells and the consequent development or control of the malignancy. One of the keystones to achieving a successful antitumor response is the presence of potent tumor antigens, known as neoantigens. However, tumors develop strategies to evade the immune system and resist current immunotherapies, and many tumors present a low tumor mutation burden limiting the presence of tumor antigenicity. Therefore, new approaches must be taken into consideration to overcome these shortcomings. The possibility of making tumors more antigenic represents a promising front to further improve the success of immunotherapy in cancer. Throughout this review, we explored different state-of-the-art tools to induce the presentation of new tumor antigens by intervening at protein, mRNA or genomic levels in malignant cells.
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Affiliation(s)
- Daniel Meraviglia-Crivelli
- Molecular Therapeutics Program, Center for Applied Medical Research, CIMA, University of Navarra, 31008 Pamplona, Spain; (D.M.-C.); (A.Z.); (M.B.); (B.M.); (H.V.)
- Instituto de Investigación Sanitaria de Navarra (IDISNA), Recinto de Complejo Hospitalario de Navarra, 31008 Pamplona, Spain
| | - Angelina Zheleva
- Molecular Therapeutics Program, Center for Applied Medical Research, CIMA, University of Navarra, 31008 Pamplona, Spain; (D.M.-C.); (A.Z.); (M.B.); (B.M.); (H.V.)
- Instituto de Investigación Sanitaria de Navarra (IDISNA), Recinto de Complejo Hospitalario de Navarra, 31008 Pamplona, Spain
| | - Martin Barainka
- Molecular Therapeutics Program, Center for Applied Medical Research, CIMA, University of Navarra, 31008 Pamplona, Spain; (D.M.-C.); (A.Z.); (M.B.); (B.M.); (H.V.)
- Instituto de Investigación Sanitaria de Navarra (IDISNA), Recinto de Complejo Hospitalario de Navarra, 31008 Pamplona, Spain
| | - Beatriz Moreno
- Molecular Therapeutics Program, Center for Applied Medical Research, CIMA, University of Navarra, 31008 Pamplona, Spain; (D.M.-C.); (A.Z.); (M.B.); (B.M.); (H.V.)
| | - Helena Villanueva
- Molecular Therapeutics Program, Center for Applied Medical Research, CIMA, University of Navarra, 31008 Pamplona, Spain; (D.M.-C.); (A.Z.); (M.B.); (B.M.); (H.V.)
| | - Fernando Pastor
- Molecular Therapeutics Program, Center for Applied Medical Research, CIMA, University of Navarra, 31008 Pamplona, Spain; (D.M.-C.); (A.Z.); (M.B.); (B.M.); (H.V.)
- Instituto de Investigación Sanitaria de Navarra (IDISNA), Recinto de Complejo Hospitalario de Navarra, 31008 Pamplona, Spain
- Correspondence:
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21
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Stem cell like memory T cells: A new paradigm in cancer immunotherapy. Clin Immunol 2022; 241:109078. [PMID: 35840054 DOI: 10.1016/j.clim.2022.109078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 07/04/2022] [Accepted: 07/09/2022] [Indexed: 11/03/2022]
Abstract
Stem cell like memory T (TSCM) cells have emerged as the apex of memory T cell differentiation for their properties of self-renewal and replenishing progenies. With potent long-term persistence, proliferative capacity and antitumor activity, TSCM cells were thought to be the ideal candidate for cancer immunotherapies. Several strategies have been proposed, such as manipulations of cytokines, metabolic factors, signal pathways, and T cell receptor signal intensity, to induce more TSCM cells in vitro, in the hope that they could reach a clinical order of magnitude to provide more long-lasting and effective anti-tumor effects in vivo. In this review, we summarized the differentiation characteristics of TSCM cells and strategies to generate more TSCM cells. We focused on their roles and application in the cancer immunotherapy especially in adoptive cell transfer therapy and cancer therapeutic vaccines, and hopefully provided clues for future understanding and researches.
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22
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Liu YJ, Xu WH, Fan LM, Zhang YQ, Xu W, Chen YP, Chen LL, Chen L, Xu W, Wang Y, Chu KD, Zhang JP. Polydatin alleviates DSS- and TNBS-induced colitis by suppressing Th17 cell differentiation via directly inhibiting STAT3. Phytother Res 2022; 36:3662-3671. [PMID: 35766233 DOI: 10.1002/ptr.7533] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 05/25/2022] [Accepted: 06/12/2022] [Indexed: 12/20/2022]
Abstract
Inflammatory bowel disease (IBD) is a non-specific chronic intestinal inflammatory disease, often presenting with abdominal pain, diarrhea, bloody stool, anorexia, and body loss. It is difficult to cure completely and a promising treatment is urgently needed. Natural compounds can offer promising chemical agents for treatment of diseases. Polydatin is a natural ingredient extracted from the dried rhizome of Polygonum cuspidatum, which has anti-inflammatory, anti-tumor, and dementia protection activities. The purpose of this study was to evaluate the therapeutic effect of polydatin on IBD and explore its possible mechanism. We found that polydatin could effectively suppress the differentiation of Th17 cells in vitro, but had no effect on the differentiation of Treg cells. Polydatin significantly alleviated colitis induced by dextran sulfate sodium (DSS) and 2, 4, 6-trinitrobenzenesulfonic acid (TNBS) in mice, and dramatically decreased the proportion of Th17 cells in spleen and mesenteric lymph nodes. Mechanism investigations revealed that polydatin specifically inhibited signal transducer and activator of transcription 3 (STAT3) phosphorylation by directly binding to STAT3, leading to Th17 cell reduction and thereby alleviating colitis. These findings provide novel insights into the anti-colitis effect of polydatin, which may be a promising drug candidate for the treatment of IBD.
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Affiliation(s)
- Yao-Jun Liu
- College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, P.R. China
| | - Wei-Heng Xu
- College of Pharmacy, Second Military Medical University, Shanghai, P.R. China
| | - Li-Ming Fan
- College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, P.R. China
| | - Yu-Qin Zhang
- College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, P.R. China
| | - Wen Xu
- College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, P.R. China
| | - Ya-Ping Chen
- College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, P.R. China
| | - Lin-Lin Chen
- College of Pharmacy, Second Military Medical University, Shanghai, P.R. China
| | - Li Chen
- College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, P.R. China
| | - Wei Xu
- College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, P.R. China
| | - Yan Wang
- College of Pharmacy, Second Military Medical University, Shanghai, P.R. China
| | - Ke-Dan Chu
- College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, P.R. China
| | - Jun-Ping Zhang
- College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, P.R. China.,College of Pharmacy, Second Military Medical University, Shanghai, P.R. China
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23
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Gangopadhyay K, Roy S, Sen Gupta S, Chandradasan A, Chowdhury S, Das R. Regulating the discriminatory response to antigen by T-cell receptor. Biosci Rep 2022; 42:BSR20212012. [PMID: 35260878 PMCID: PMC8965820 DOI: 10.1042/bsr20212012] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 03/04/2022] [Accepted: 03/08/2022] [Indexed: 11/17/2022] Open
Abstract
The cell-mediated immune response constitutes a robust host defense mechanism to eliminate pathogens and oncogenic cells. T cells play a central role in such a defense mechanism and creating memories to prevent any potential infection. T cell recognizes foreign antigen by its surface receptors when presented through antigen-presenting cells (APCs) and calibrates its cellular response by a network of intracellular signaling events. Activation of T-cell receptor (TCR) leads to changes in gene expression and metabolic networks regulating cell development, proliferation, and migration. TCR does not possess any catalytic activity, and the signaling initiates with the colocalization of several enzymes and scaffold proteins. Deregulation of T cell signaling is often linked to autoimmune disorders like severe combined immunodeficiency (SCID), rheumatoid arthritis, and multiple sclerosis. The TCR remarkably distinguishes the minor difference between self and non-self antigen through a kinetic proofreading mechanism. The output of TCR signaling is determined by the half-life of the receptor antigen complex and the time taken to recruit and activate the downstream enzymes. A longer half-life of a non-self antigen receptor complex could initiate downstream signaling by activating associated enzymes. Whereas, the short-lived, self-peptide receptor complex disassembles before the downstream enzymes are activated. Activation of TCR rewires the cellular metabolic response to aerobic glycolysis from oxidative phosphorylation. How does the early event in the TCR signaling cross-talk with the cellular metabolism is an open question. In this review, we have discussed the recent developments in understanding the regulation of TCR signaling, and then we reviewed the emerging role of metabolism in regulating T cell function.
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Affiliation(s)
- Kaustav Gangopadhyay
- Department of Biological Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur campus, Mohanpur 741246, India
| | - Swarnendu Roy
- Department of Biological Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur campus, Mohanpur 741246, India
| | - Soumee Sen Gupta
- Department of Biological Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur campus, Mohanpur 741246, India
| | - Athira C. Chandradasan
- Department of Biological Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur campus, Mohanpur 741246, India
| | - Subhankar Chowdhury
- Department of Biological Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur campus, Mohanpur 741246, India
| | - Rahul Das
- Department of Biological Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur campus, Mohanpur 741246, India
- Centre for Advanced Functional Materials, Indian Institute of Science Education and Research Kolkata, Mohanpur campus, Mohanpur 741246, India
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24
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Pauken KE, Lagattuta KA, Lu BY, Lucca LE, Daud AI, Hafler DA, Kluger HM, Raychaudhuri S, Sharpe AH. TCR-sequencing in cancer and autoimmunity: barcodes and beyond. Trends Immunol 2022; 43:180-194. [PMID: 35090787 PMCID: PMC8882139 DOI: 10.1016/j.it.2022.01.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 01/04/2022] [Accepted: 01/04/2022] [Indexed: 01/21/2023]
Abstract
The T cell receptor (TCR) endows T cells with antigen specificity and is central to nearly all aspects of T cell function. Each naïve T cell has a unique TCR sequence that is stably maintained during cell division. In this way, the TCR serves as a molecular barcode that tracks processes such as migration, differentiation, and proliferation of T cells. Recent technological advances have enabled sequencing of the TCR from single cells alongside deep molecular phenotypes on an unprecedented scale. In this review, we discuss strengths and limitations of TCR sequences as molecular barcodes and their application to study immune responses following Programmed Death-1 (PD-1) blockade in cancer. Additionally, we consider applications of TCR data beyond use as a barcode.
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Affiliation(s)
- Kristen E Pauken
- Department of Immunology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA; Evergrande Center for Immunological Diseases, Harvard Medical School and Brigham and Women's Hospital, Boston, MA, USA.
| | - Kaitlyn A Lagattuta
- Center for Data Sciences, Brigham and Women's Hospital, Boston, MA, USA; Division of Genetics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA; Department of Biomedical Informatics, Harvard Medical School, Boston, MA, USA
| | - Benjamin Y Lu
- Department of Neurology and Department of Immunobiology, Yale School of Medicine, New Haven, CT, USA; Department of Medicine, Yale School of Medicine, New Haven, CT, USA
| | - Liliana E Lucca
- Department of Neurology and Department of Immunobiology, Yale School of Medicine, New Haven, CT, USA
| | - Adil I Daud
- Department of Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - David A Hafler
- Department of Neurology and Department of Immunobiology, Yale School of Medicine, New Haven, CT, USA; Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Harriet M Kluger
- Department of Medicine, Yale School of Medicine, New Haven, CT, USA
| | - Soumya Raychaudhuri
- Center for Data Sciences, Brigham and Women's Hospital, Boston, MA, USA; Division of Genetics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA; Department of Biomedical Informatics, Harvard Medical School, Boston, MA, USA; Division of Rheumatology, Inflammation, and Immunity, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA; Program in Medical and Population Genetics, Broad Institute of MIT and Harvard, Cambridge, MA, USA; Centre for Genetics and Genomics Versus Arthritis, Manchester Academic Health Science Centre, University of Manchester, Manchester M13 9PL, UK
| | - Arlene H Sharpe
- Department of Immunology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA; Evergrande Center for Immunological Diseases, Harvard Medical School and Brigham and Women's Hospital, Boston, MA, USA; Broad Institute of MIT and Harvard, Cambridge, MA, USA.
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25
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Luo H, Cao G, Luo C, Tan D, Vong CT, Xu Y, Wang S, Lu H, Wang Y, Jing W. Emerging Pharmacotherapy for Inflammatory Bowel Diseases. Pharmacol Res 2022; 178:106146. [DOI: 10.1016/j.phrs.2022.106146] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Revised: 02/13/2022] [Accepted: 02/23/2022] [Indexed: 02/07/2023]
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26
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Gao R, Li X, Gao H, Zhao K, Liu X, Liu J, Wang Q, Zhu Y, Chen H, Xiang S, Zhan Y, Yin R, Yu M, Ning H, Yang X, Li C. Protein phosphatase 2A catalytic subunit β suppresses PMA/ionomycin-induced T-cell activation by negatively regulating PI3K/Akt signaling. FEBS J 2022; 289:4518-4535. [PMID: 35068054 DOI: 10.1111/febs.16370] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 12/16/2021] [Accepted: 01/20/2022] [Indexed: 01/07/2023]
Abstract
The precise regulation of the T-cell activation process is critical for overall immune homeostasis. Although protein phosphatase 2A (PP2A) is required for T-cell development and function, the role of PPP2CB, which is the catalytic subunit β isoform of PP2A, remains unknown. In the present study, using a T cell-specific knockout mouse of PPP2CB (PPP2CBfl/fl Lck-Cre+ ), we demonstrated that PPP2CB was dispensable for T-cell development in the thymus and peripheral lymphoid organs. Furthermore, PPP2CB deletion did not affect T-cell receptor (TCR)-induced T-cell activation or cytokine-induced T-cell responses; however, it specifically enhanced phorbol myristate acetate (PMA) plus ionomycin-induced T-cell activation with increased cellular proliferation, elevated CD69 and CD25 expression, and enhanced cytokine production (inteferon-γ, interleukin-2 and tumor necrosis factor). Mechanistic analyses suggested that the PPP2CB deletion enhanced activation of the phosphoinositide 3-kinase/Akt signaling pathway and Ca2+ flux following stimulation with PMA plus ionomycin. Moreover, the specific PI3K inhibitor rescued the augmented cell activation in PPP2CB-deficient T cells. Using mass spectrometry-based phospho-peptide analysis, we identified potential substrates of PPP2CB during PMA plus ionomycin-induced T-cell activation. Collectively, our study provides evidence of the specific role of PPP2CB in controlling PMA plus ionomycin-induced T-cell activation.
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Affiliation(s)
- Rui Gao
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, China
| | - Xin Li
- Department of Hematopoietic Stem Cell Transplantation, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Huiying Gao
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, China
| | - Ke Zhao
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, China
| | - Xian Liu
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, China
| | - Jinfang Liu
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, China
| | - Qi Wang
- School of Basic Medical Sciences, Anhui Medical University, Hefei, China
| | - Yaxin Zhu
- School of Life Sciences, Hebei University, Baoding, China
| | - Hui Chen
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, China
| | - Shensi Xiang
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, China
| | - Yiqun Zhan
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, China
| | - Ronghua Yin
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, China
| | - Miao Yu
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, China
| | - Hongmei Ning
- Department of Hematopoietic Stem Cell Transplantation, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Xiaoming Yang
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, China
| | - Changyan Li
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, China
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27
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Xu A, Leary SC, Islam MF, Wu Z, Bhanumathy KK, Ara A, Chibbar R, Fleywald A, Ahmed KA, Xiang J. Prosurvival IL-7-Stimulated Weak Strength of mTORC1-S6K Controls T Cell Memory via Transcriptional FOXO1-TCF1-Id3 and Metabolic AMPKα1-ULK1-ATG7 Pathways. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2022; 208:155-168. [PMID: 34872976 DOI: 10.4049/jimmunol.2100452] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Accepted: 10/29/2021] [Indexed: 12/12/2022]
Abstract
CD8+ memory T (TM) cells play a critical role in immune defense against infection. Two common γ-chain family cytokines, IL-2 and IL-7, although triggering the same mTORC1-S6K pathway, distinctly induce effector T (TE) cells and TM cells, respectively, but the underlying mechanism(s) remains elusive. In this study, we generated IL-7R-/and AMPKα1-knockout (KO)/OTI mice. By using genetic and pharmaceutical tools, we demonstrate that IL-7 deficiency represses expression of FOXO1, TCF1, p-AMPKα1 (T172), and p-ULK1 (S555) and abolishes T cell memory differentiation in IL-7R KO T cells after Listeria monocytogenesis rLmOVA infection. IL-2- and IL-7-stimulated strong and weak S6K (IL-2/S6Kstrong and IL-7/S6Kweak) signals control short-lived IL-7R-CD62L-KLRG1+ TE and long-term IL-7R+CD62L+KLRG1- TM cell formations, respectively. To assess underlying molecular pathway(s), we performed flow cytometry, Western blotting, confocal microscopy, and Seahorse assay analyses by using the IL-7/S6Kweak-stimulated TM (IL-7/TM) and the control IL-2/S6Kstrong-stimulated TE (IL-2/TE) cells. We determine that the IL-7/S6Kweak signal activates transcriptional FOXO1, TCF1, and Id3 and metabolic p-AMPKα1, p-ULK1, and ATG7 molecules in IL-7/TM cells. IL-7/TM cells upregulate IL-7R and CD62L, promote mitochondria biogenesis and fatty acid oxidation metabolism, and show long-term cell survival and functional recall responses. Interestingly, AMPKα1 deficiency abolishes the AMPKα1 but maintains the FOXO1 pathway and induces a metabolic switch from fatty acid oxidation to glycolysis in AMPKα1 KO IL-7/TM cells, leading to loss of cell survival and recall responses. Taken together, our data demonstrate that IL-7-stimulated weak strength of mTORC1-S6K signaling controls T cell memory via activation of transcriptional FOXO1-TCF1-Id3 and metabolic AMPKα1-ULK1-ATG7 pathways. This (to our knowledge) novel finding provides a new mechanism for a distinct IL-2/IL-7 stimulation model in T cell memory and greatly impacts vaccine development.
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Affiliation(s)
- Aizhang Xu
- Cancer Research, Saskatchewan Cancer Agency, Saskatoon, Saskatchewan, Canada.,Division of Oncology, College of Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Scot C Leary
- Department of Biochemistry, Microbiology and Immunology, College of Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Md Fahmid Islam
- Cancer Research, Saskatchewan Cancer Agency, Saskatoon, Saskatchewan, Canada.,Division of Oncology, College of Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Zhaojia Wu
- Cancer Research, Saskatchewan Cancer Agency, Saskatoon, Saskatchewan, Canada.,Division of Oncology, College of Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Kalpana Kalyanasundaram Bhanumathy
- Cancer Research, Saskatchewan Cancer Agency, Saskatoon, Saskatchewan, Canada.,Division of Oncology, College of Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Anjuman Ara
- Cancer Research, Saskatchewan Cancer Agency, Saskatoon, Saskatchewan, Canada.,Division of Oncology, College of Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Rajni Chibbar
- Department of Pathology and Laboratory Medicine, College of Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada; and
| | - Andrew Fleywald
- Department of Pathology and Laboratory Medicine, College of Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada; and
| | - Khawaja Ashfaque Ahmed
- Department of Veterinary Pathology, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Jim Xiang
- Cancer Research, Saskatchewan Cancer Agency, Saskatoon, Saskatchewan, Canada; .,Division of Oncology, College of Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
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28
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Harris KM, Clements MA, Kwilasz AJ, Watkins LR. T cell transgressions: Tales of T cell form and function in diverse disease states. Int Rev Immunol 2022; 41:475-516. [PMID: 34152881 PMCID: PMC8752099 DOI: 10.1080/08830185.2021.1921764] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Insights into T cell form, function, and dysfunction are rapidly evolving. T cells have remarkably varied effector functions including protecting the host from infection, activating cells of the innate immune system, releasing cytokines and chemokines, and heavily contributing to immunological memory. Under healthy conditions, T cells orchestrate a finely tuned attack on invading pathogens while minimizing damage to the host. The dark side of T cells is that they also exhibit autoreactivity and inflict harm to host cells, creating autoimmunity. The mechanisms of T cell autoreactivity are complex and dynamic. Emerging research is elucidating the mechanisms leading T cells to become autoreactive and how such responses cause or contribute to diverse disease states, both peripherally and within the central nervous system. This review provides foundational information on T cell development, differentiation, and functions. Key T cell subtypes, cytokines that create their effector roles, and sex differences are highlighted. Pathological T cell contributions to diverse peripheral and central disease states, arising from errors in reactivity, are highlighted, with a focus on multiple sclerosis, rheumatoid arthritis, osteoarthritis, neuropathic pain, and type 1 diabetes.
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Affiliation(s)
| | | | | | - Linda R. Watkins
- Corresponding author: Ph: 720-387-0304, Fax: 303-735-8290, , Address: 2860 Wilderness Place, University of Colorado, Boulder, CO 80301
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29
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Abstract
Immunological memory and exhaustion are fundamental features of adaptive immunity. Recent advances reveal increasing heterogeneity and diversity among CD8 T-cell subsets, resulting in new subsets to annotate and understand. Here, we review our current knowledge of differentiation and maintenance of memory and exhausted CD8 T cells, including phenotypic classification, developmental paths, transcriptional and epigenetic features, and cell intrinsic and extrinsic factors. Additionally, we use this outline to discuss the nomenclature of effector, memory, and exhausted CD8 T cells. Finally, we discuss how new findings about these cell types may impact the therapeutic efficacy and development of immunotherapies targeting effector, memory, and/or exhausted CD8 T cells in chronic infections and cancer.
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Affiliation(s)
- Yuki Muroyama
- Institute for Immunology
- Department of Systems Pharmacology and Translational Therapeutics
| | - E John Wherry
- Institute for Immunology
- Department of Systems Pharmacology and Translational Therapeutics
- Abramson Cancer Center
- Parker Institute for Cancer Immunotherapy, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
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30
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Escobar G, Mangani D, Anderson AC. T cell factor 1: A master regulator of the T cell response in disease. Sci Immunol 2021; 5:5/53/eabb9726. [PMID: 33158974 DOI: 10.1126/sciimmunol.abb9726] [Citation(s) in RCA: 80] [Impact Index Per Article: 26.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 10/15/2020] [Indexed: 12/11/2022]
Abstract
Recent advances have redefined a role for T cell factor 1 (TCF1) that goes beyond T cell development and T memory formation and encompasses new functions in the regulation of T cell biology. Here, we discuss the multifaceted and context-dependent role of TCF1 in peripheral T cells, particularly during disease-induced inflammatory states such as autoimmunity, cancer, and chronic infections. Understanding how TCF1 fine-tunes peripheral T cell biology holds the potential to tailor improved immune-targeted therapies.
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Affiliation(s)
- Giulia Escobar
- Evergrande Center for Immunologic Diseases and Ann Romney Center for Neurologic Diseases, Harvard Medical School and Brigham and Women's Hospital Mass General Brigham, Boston, MA 02115, USA
| | - Davide Mangani
- Evergrande Center for Immunologic Diseases and Ann Romney Center for Neurologic Diseases, Harvard Medical School and Brigham and Women's Hospital Mass General Brigham, Boston, MA 02115, USA
| | - Ana C Anderson
- Evergrande Center for Immunologic Diseases and Ann Romney Center for Neurologic Diseases, Harvard Medical School and Brigham and Women's Hospital Mass General Brigham, Boston, MA 02115, USA.
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31
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A T-Cell Epitope-Based Multi-Epitope Vaccine Designed Using Human HLA Specific T Cell Epitopes Induces a Near-Sterile Immunity against Experimental Visceral Leishmaniasis in Hamsters. Vaccines (Basel) 2021; 9:vaccines9101058. [PMID: 34696166 PMCID: PMC8537199 DOI: 10.3390/vaccines9101058] [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: 07/28/2021] [Revised: 09/08/2021] [Accepted: 09/16/2021] [Indexed: 11/16/2022] Open
Abstract
Visceral leishmaniasis is a neglected tropical disease affecting 12 million people annually. Even in the second decade of the 21st century, it has remained without an effective vaccine for human use. In the current study, we designed three multiepitope vaccine candidates by the selection of multiple IFN-γ inducing MHC-I and MHC-II binder T-cell specific epitopes from three previously identified antigen genes of Leishmania donovani from our lab by an immuno-informatic approach using IFNepitope, the Immune Epitope Database (IEDB) T cell epitope identification tools, NET-MHC-1, and NET MHC-2 webservers. We tested the protective potential of these three multiepitope proteins as a vaccine in a hamster model of visceral leishmaniasis. The immunization data revealed that the vaccine candidates induced a very high level of Th1 biased protective immune response in-vivo in a hamster model of experimental visceral leishmaniasis, with one of the candidates inducing a near-sterile immunity. The vaccinated animals displayed highly activated monocyte macrophages with the capability of clearing intracellular parasites due to increased respiratory burst. Additionally, these proteins induced activation of polyfunctional T cells secreting INF-γ, TNF-α, and IL-2 in an ex-vivo stimulation of human peripheral blood mononuclear cells, further supporting the protective nature of the designed candidates.
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32
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Chen Y, Dana R. Autoimmunity in dry eye disease - An updated review of evidence on effector and memory Th17 cells in disease pathogenicity. Autoimmun Rev 2021; 20:102933. [PMID: 34509656 DOI: 10.1016/j.autrev.2021.102933] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 06/16/2021] [Indexed: 12/27/2022]
Abstract
The classic Th1/Th2 dogma has been significantly reshaped since the subsequent introduction of several new T helper cell subsets, among which the most intensively investigated during the last decade is the Th17 lineage that demonstrates critical pathogenic roles in autoimmunity and chronic inflammation - including the highly prevalent dry eye disease. In this review, we summarize current concepts of Th17-mediated disruption of ocular surface immune homeostasis that leads to autoimmune inflammatory dry eye disease, by discussing the induction, activation, differentiation, migration, and function of effector Th17 cells in disease development, highlighting the phenotypic and functional plasticity of Th17 lineage throughout the disease initiation, perpetuation and sustention. Furthermore, we emphasize the most recent advance in Th17 memory formation and function in the chronic course of dry eye disease, a major area to be better understood for facilitating the development of effective treatments in a broader field of autoimmune diseases that usually present a chronic course with recurrent episodes of flare in the target tissues or organs.
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Affiliation(s)
- Yihe Chen
- Schepens Eye Research Institute of Massachusetts Eye and Ear, Department of Ophthalmology, Harvard Medical School, Boston, MA 02114, USA
| | - Reza Dana
- Schepens Eye Research Institute of Massachusetts Eye and Ear, Department of Ophthalmology, Harvard Medical School, Boston, MA 02114, USA.
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33
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Regulatory roles of MicroRNA in shaping T cell function, differentiation and polarization. Semin Cell Dev Biol 2021; 124:34-47. [PMID: 34446356 DOI: 10.1016/j.semcdb.2021.08.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 07/09/2021] [Accepted: 08/07/2021] [Indexed: 12/12/2022]
Abstract
T lymphocytes are an integral component of adaptive immunity with pleotropic effector functions. Impairment of T cell activity is implicated in various immune pathologies including autoimmune diseases, AIDS, carcinogenesis, and periodontitis. Evidently, T cell differentiation and function are under robust regulation by various endogenous factors that orchestrate underlying molecular pathways. MicroRNAs (miRNA) are a class of noncoding, regulatory RNAs that post-transcriptionally control multiple mRNA targets by sequence-specific interaction. In this article, we will review the recent progress in our understanding of miRNA-gene networks that are uniquely required by specific T cell effector functions and provide miRNA-mediated mechanisms that govern the fate of T cells. A subset of miRNAs may act in a synergistic or antagonistic manner to exert functional suppression of genes and regulate pathways that control T cell activation and differentiation. Significance of T cell-specific miRNAs and their dysregulation in immune-mediated diseases is discussed. Exosome-mediated horizontal transfer of miRNAs from antigen presenting cells (APCs) to T cells and from one T cell to another T cell subset and their impact on recipient cell functions is summarized.
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34
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Kim C, Ye Z, Weyand CM, Goronzy JJ. miR-181a-regulated pathways in T-cell differentiation and aging. Immun Ageing 2021; 18:28. [PMID: 34130717 PMCID: PMC8203492 DOI: 10.1186/s12979-021-00240-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Accepted: 06/08/2021] [Indexed: 02/06/2023]
Abstract
MicroRNAs (miRNAs) are regulatory noncoding RNAs important for many aspects of cellular processes including cell differentiation and proliferation. Functions of numerous miRNAs have been identified in T cells, with miR-181a regulating T cell activation thresholds during thymic T cell development and during activation of peripheral T cells. Intriguingly, miR-181a is implicated in defective antiviral and vaccine responses in older individuals, as its expression declines in naïve T cells with increasing age. Here, we review the pathways that are regulated by miR-181a and that explain the unique role of miR-181a in T cell development, T cell activation and antiviral T cell responses. These studies provide a framework for understanding how a decline in miR-181a expression in T cells could contribute to age-related defects in adaptive immunity. We furthermore review the mechanisms that cause the age-related decline in miR-181a expression and discuss the potential of restoring miR-181a expression or targeting miR-181a-regulated pathways to improve impaired T cell responses in older individuals.
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Affiliation(s)
- Chulwoo Kim
- Department of Microbiology, Institute for Viral Diseases, Korea University College of Medicine, Seoul, Republic of Korea.
| | - Zhongde Ye
- Division of Immunology and Rheumatology, Department of Medicine, Stanford University, Stanford, CA, USA
- Department of Medicine, Palo Alto Veterans Administration Healthcare System, Palo Alto, CA, USA
| | - Cornelia M Weyand
- Division of Immunology and Rheumatology, Department of Medicine, Stanford University, Stanford, CA, USA
- Department of Medicine, Palo Alto Veterans Administration Healthcare System, Palo Alto, CA, USA
| | - Jörg J Goronzy
- Division of Immunology and Rheumatology, Department of Medicine, Stanford University, Stanford, CA, USA.
- Department of Medicine, Palo Alto Veterans Administration Healthcare System, Palo Alto, CA, USA.
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35
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Zhang Y, Cheung YK, Ng DKP, Fong WP. Enhancement of innate and adaptive anti-tumor immunity by serum obtained from vascular photodynamic therapy-cured BALB/c mouse. Cancer Immunol Immunother 2021; 70:3217-3233. [PMID: 33821298 DOI: 10.1007/s00262-021-02917-4] [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: 05/08/2020] [Accepted: 03/14/2021] [Indexed: 02/03/2023]
Abstract
Photodynamic therapy (PDT) is a clinically approved treatment for various types of cancer. Besides killing the tumor cells directly, PDT has also been reported to trigger anti-tumor immunity. In our previous study, BAM-SiPc-based PDT was shown to induce immunogenic cell death on CT26 murine colon tumor cells in vitro. Using the BALB/c mouse animal model and a vascular-PDT (VPDT) approach, it could also eradicate tumor in ∼ 70% of tumor-bearing mice and elicit an anti-tumor immune response. In the present study, the serum obtained from the VPDT-cured mice was studied and found to possess various immunomodulatory properties. In in vitro studies, it stimulated cytokine secretions of IL-6 and C-X-C motif chemokine ligands 1-3 in CT26 cells through the NF-κB and MAPK pathways. The complement protein C5a boosted in the serum was shown to be involved in the process. The serum also induced calreticulin exposure on CT26 cells and activated dendritic cells. It contained CT26-targeting antibodies which, through the Fc region, induced macrophage engulfment of the tumor cells. In in vivo studies, inoculation of the serum-treated CT26 cells to mice demonstrated a retarded tumor growth with leukocytes, particularly T cells, attracted to the tumor site. In addition, the VPDT-cured mice showed different degrees of resistance against challenge of other types of murine tumor cells, for example, the breast tumor 4T1 and EMT6 cells.
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Affiliation(s)
- Ying Zhang
- School of Life Sciences, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, China
| | - Ying-Kit Cheung
- School of Life Sciences, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, China
| | - Dennis K P Ng
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, China
| | - Wing-Ping Fong
- School of Life Sciences, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, China.
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36
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Clark M, Kroger CJ, Ke Q, Tisch RM. The Role of T Cell Receptor Signaling in the Development of Type 1 Diabetes. Front Immunol 2021; 11:615371. [PMID: 33603744 PMCID: PMC7884625 DOI: 10.3389/fimmu.2020.615371] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Accepted: 12/15/2020] [Indexed: 12/15/2022] Open
Abstract
T cell receptor (TCR) signaling influences multiple aspects of CD4+ and CD8+ T cell immunobiology including thymic development, peripheral homeostasis, effector subset differentiation/function, and memory formation. Additional T cell signaling cues triggered by co-stimulatory molecules and cytokines also affect TCR signaling duration, as well as accessory pathways that further shape a T cell response. Type 1 diabetes (T1D) is a T cell-driven autoimmune disease targeting the insulin producing β cells in the pancreas. Evidence indicates that dysregulated TCR signaling events in T1D impact the efficacy of central and peripheral tolerance-inducing mechanisms. In this review, we will discuss how the strength and nature of TCR signaling events influence the development of self-reactive T cells and drive the progression of T1D through effects on T cell gene expression, lineage commitment, and maintenance of pathogenic anti-self T cell effector function.
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Affiliation(s)
- Matthew Clark
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States.,Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Charles J Kroger
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States.,Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Qi Ke
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States.,Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Roland M Tisch
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States.,Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
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37
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Netherby-Winslow CS, Ayers KN, Lukacher AE. Balancing Inflammation and Central Nervous System Homeostasis: T Cell Receptor Signaling in Antiviral Brain T RM Formation and Function. Front Immunol 2021; 11:624144. [PMID: 33584727 PMCID: PMC7873445 DOI: 10.3389/fimmu.2020.624144] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 12/08/2020] [Indexed: 12/24/2022] Open
Abstract
Tissue-resident memory (TRM) CD8 T cells provide early frontline defense against regional pathogen reencounter. CD8 TRM are predominantly parked in nonlymphoid tissues and do not circulate. In addition to this anatomic difference, TRM are transcriptionally and phenotypically distinct from central-memory T cells (TCM) and effector-memory T cells (TEM). Moreover, TRM differ phenotypically, functionally, and transcriptionally across barrier tissues (e.g., gastrointestinal tract, respiratory tract, urogenital tract, and skin) and in non-barrier organs (e.g., brain, liver, kidney). In the brain, TRM are governed by a contextual milieu that balances TRM activation and preservation of essential post-mitotic neurons. Factors contributing to the development and maintenance of brain TRM, of which T cell receptor (TCR) signal strength and duration is a central determinant, vary depending on the infectious agent and modulation of TCR signaling by inhibitory markers that quell potentially pathogenic inflammation. This review will explore our current understanding of the context-dependent factors that drive the acquisition of brain (b)TRM phenotype and function, and discuss the contribution of TRM to promoting protective immune responses in situ while maintaining tissue homeostasis.
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Affiliation(s)
| | - Katelyn N Ayers
- Department of Microbiology and Immunology, Penn State College of Medicine, Hershey, PA, United States
| | - Aron E Lukacher
- Department of Microbiology and Immunology, Penn State College of Medicine, Hershey, PA, United States
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38
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Kiuchi M, Onodera A, Kokubo K, Ichikawa T, Morimoto Y, Kawakami E, Takayama N, Eto K, Koseki H, Hirahara K, Nakayama T. The Cxxc1 subunit of the Trithorax complex directs epigenetic licensing of CD4+ T cell differentiation. J Exp Med 2021; 218:211672. [PMID: 33433611 PMCID: PMC7808308 DOI: 10.1084/jem.20201690] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 11/16/2020] [Accepted: 11/19/2020] [Indexed: 12/14/2022] Open
Abstract
Different dynamics of gene expression are observed during cell differentiation. In T cells, genes that are turned on early or turned off and stay off have been thoroughly studied. However, genes that are initially turned off but then turned on again after stimulation has ceased have not been defined; they are obviously important, especially in the context of acute versus chronic inflammation. Using the Th1/Th2 differentiation paradigm, we found that the Cxxc1 subunit of the Trithorax complex directs transcription of genes initially down-regulated by TCR stimulation but up-regulated again in a later phase. The late up-regulation of these genes was impaired either by prolonged TCR stimulation or Cxxc1 deficiency, which led to decreased expression of Trib3 and Klf2 in Th1 and Th2 cells, respectively. Loss of Cxxc1 resulted in enhanced pathogenicity in allergic airway inflammation in vivo. Thus, Cxxc1 plays essential roles in the establishment of a proper CD4+ T cell immune system via epigenetic control of a specific set of genes.
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Affiliation(s)
- Masahiro Kiuchi
- Department of Immunology, Graduate School of Medicine, Chiba University, Chuo-ku, Chiba, Japan
| | - Atsushi Onodera
- Department of Immunology, Graduate School of Medicine, Chiba University, Chuo-ku, Chiba, Japan.,Institute for Global Prominent Research, Chiba University, Chuo-ku, Chiba, Japan
| | - Kota Kokubo
- Department of Immunology, Graduate School of Medicine, Chiba University, Chuo-ku, Chiba, Japan
| | - Tomomi Ichikawa
- Department of Immunology, Graduate School of Medicine, Chiba University, Chuo-ku, Chiba, Japan
| | - Yuki Morimoto
- Department of Immunology, Graduate School of Medicine, Chiba University, Chuo-ku, Chiba, Japan
| | - Eiryo Kawakami
- Artificial Intelligence Medicine, Graduate School of Medicine, Chiba University, Chiba, Japan.,Medical Sciences Innovation Hub Program, RIKEN, Yokohama, Kanagawa, Japan
| | - Naoya Takayama
- Department of Regenerative Medicine, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Koji Eto
- Department of Regenerative Medicine, Graduate School of Medicine, Chiba University, Chiba, Japan.,Center for iPS Cell Research and Application, Kyoto University, Kyoto, Japan
| | - Haruhiko Koseki
- Department of Cellular and Molecular Medicine, Graduate School of Medicine, Chiba University, Chiba, Japan.,Laboratory for Developmental Genetics, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | - Kiyoshi Hirahara
- Department of Immunology, Graduate School of Medicine, Chiba University, Chuo-ku, Chiba, Japan.,AMED-PRIME, Japan Agency for Medical Research and Development, Chiba, Japan
| | - Toshinori Nakayama
- Department of Immunology, Graduate School of Medicine, Chiba University, Chuo-ku, Chiba, Japan.,Japan Agency for Medical Research and Development-Core Research for Evolutional Medical Science and Technology (AMED-CREST), Chiba, Japan
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The Function and Role of the Th17/Treg Cell Balance in Inflammatory Bowel Disease. J Immunol Res 2020; 2020:8813558. [PMID: 33381606 PMCID: PMC7755495 DOI: 10.1155/2020/8813558] [Citation(s) in RCA: 139] [Impact Index Per Article: 34.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 09/28/2020] [Accepted: 12/09/2020] [Indexed: 12/25/2022] Open
Abstract
Inflammatory bowel disease (IBD) is a chronic, inflammatory, and autoimmune disorder. The pathogenesis of IBD is not yet clear. Studies have shown that the imbalance between T helper 17 (Th17) and regulatory T (Treg) cells, which differentiate from CD4+ T cells, contributes to IBD. Th17 cells promote tissue inflammation, and Treg cells suppress autoimmunity in IBD. Therefore, Th17/Treg cell balance is crucial. Some regulatory factors affecting the production and maintenance of these cells are also important for the proper regulation of the Th17/Treg balance; these factors include T cell receptor (TCR) signaling, costimulatory signals, cytokine signaling, bile acid metabolites, and the intestinal microbiota. This article focuses on our understanding of the function and role of the balance between Th17/Treg cells in IBD and these regulatory factors and their clinical significance in IBD.
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40
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Kolawole EM, Lamb TJ, Evavold BD. Relationship of 2D Affinity to T Cell Functional Outcomes. Int J Mol Sci 2020; 21:ijms21217969. [PMID: 33120989 PMCID: PMC7662510 DOI: 10.3390/ijms21217969] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 10/14/2020] [Accepted: 10/23/2020] [Indexed: 12/11/2022] Open
Abstract
T cells are critical for a functioning adaptive immune response and a strong correlation exists between T cell responses and T cell receptor (TCR): peptide-loaded MHC (pMHC) binding. Studies that utilize pMHC tetramer, multimers, and assays of three-dimensional (3D) affinity have provided advancements in our understanding of T cell responses across different diseases. However, these technologies focus on higher affinity and avidity T cells while missing the lower affinity responders. Lower affinity TCRs in expanded polyclonal populations almost always constitute a significant proportion of the response with cells mediating different effector functions associated with variation in the proportion of high and low affinity T cells. Since lower affinity T cells expand and are functional, a fully inclusive view of T cell responses is required to accurately interpret the role of affinity for adaptive T cell immunity. For example, low affinity T cells are capable of inducing autoimmune disease and T cells with an intermediate affinity have been shown to exhibit an optimal anti-tumor response. Here, we focus on how affinity of the TCR may relate to T cell phenotype and provide examples where 2D affinity influences functional outcomes.
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41
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Recent insights of T cell receptor-mediated signaling pathways for T cell activation and development. Exp Mol Med 2020; 52:750-761. [PMID: 32439954 PMCID: PMC7272404 DOI: 10.1038/s12276-020-0435-8] [Citation(s) in RCA: 185] [Impact Index Per Article: 46.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 03/26/2020] [Accepted: 04/08/2020] [Indexed: 12/18/2022] Open
Abstract
T cell activation requires extracellular stimulatory signals that are mainly mediated by T cell receptor (TCR) complexes. The TCR recognizes antigens on major histocompatibility complex molecules with the cooperation of CD4 or CD8 coreceptors. After recognition, TCR-induced signaling cascades that propagate signals via various molecules and second messengers are induced. Consequently, many features of T cell-mediated immune responses are determined by these intracellular signaling cascades. Furthermore, differences in the magnitude of TCR signaling direct T cells toward distinct effector linages. Therefore, stringent regulation of T cell activation is crucial for T cell homeostasis and proper immune responses. Dysregulation of TCR signaling can result in anergy or autoimmunity. In this review, we summarize current knowledge on the pathways that govern how the TCR complex transmits signals into cells and the roles of effector molecules that are involved in these pathways.
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42
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Memory CD4 + T Cells in Immunity and Autoimmune Diseases. Cells 2020; 9:cells9030531. [PMID: 32106536 PMCID: PMC7140455 DOI: 10.3390/cells9030531] [Citation(s) in RCA: 90] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 02/20/2020] [Accepted: 02/20/2020] [Indexed: 12/26/2022] Open
Abstract
CD4+ T helper (Th) cells play central roles in immunity in health and disease. While much is known about the effector function of Th cells in combating pathogens and promoting autoimmune diseases, the roles and biology of memory CD4+ Th cells are complex and less well understood. In human autoimmune diseases such as multiple sclerosis (MS), there is a critical need to better understand the function and biology of memory T cells. In this review article we summarize current concepts in the field of CD4+ T cell memory, including natural history, developmental pathways, subsets, and functions. Furthermore, we discuss advancements in the field of the newly-described CD4+ tissue-resident memory T cells and of CD4+ memory T cells in autoimmune diseases, two major areas of important unresolved questions in need of answering to advance new vaccine design and development of novel treatments for CD4+ T cell-mediated autoimmune diseases.
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43
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PD-1 Imposes Qualitative Control of Cellular Transcriptomes in Response to T Cell Activation. Mol Cell 2020; 77:937-950.e6. [PMID: 31926851 DOI: 10.1016/j.molcel.2019.12.012] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2019] [Revised: 11/07/2019] [Accepted: 12/12/2019] [Indexed: 01/08/2023]
Abstract
Targeted blockade of programmed cell death 1 (PD-1), an immune-checkpoint receptor that inhibits T cell activation, provides clinical benefits in various cancers. However, how PD-1 modulates gene expression in T cells remains enigmatic. Here we investigated how PD-1 affects transcriptome changes induced by T cell receptor (TCR) activation. Intriguingly, we identified a huge variance in PD-1 sensitivity among TCR-inducible genes. When we quantified the half maximal effective concentration (EC50) as the relationship between change in gene expression and TCR signal strength, we found that genes associated with survival and proliferation were efficiently expressed upon TCR activation and resistant to PD-1-mediated inhibition. Conversely, genes encoding cytokines and effector molecules were expressed less efficiently and sensitive to PD-1-mediated inhibition. We further demonstrated that transcription factor binding motifs and CpG frequency in the promoter region affect EC50 and thus the PD-1 sensitivity of genes. Our findings explain how PD-1, dependent on the TCR signal strength, calibrates cellular transcriptomes to shape functional properties of T cell populations.
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Kim C, Jadhav RR, Gustafson CE, Smithey MJ, Hirsch AJ, Uhrlaub JL, Hildebrand WH, Nikolich-Žugich J, Weyand CM, Goronzy JJ. Defects in Antiviral T Cell Responses Inflicted by Aging-Associated miR-181a Deficiency. Cell Rep 2019; 29:2202-2216.e5. [PMID: 31747595 PMCID: PMC6957231 DOI: 10.1016/j.celrep.2019.10.044] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 08/15/2019] [Accepted: 10/10/2019] [Indexed: 12/28/2022] Open
Abstract
Generation of protective immunity to infections and vaccinations declines with age. Studies in healthy individuals have implicated reduced miR-181a expression in T cells as contributing to this defect. To understand the impact of miR-181a expression on antiviral responses, we examined LCMV infection in mice with miR-181ab1-deficient T cells. We found that miR-181a deficiency delays viral clearance, thereby biasing the immune response in favor of CD4 over CD8 T cells. Antigen-specific CD4 T cells in mice with miR-181a-deficient T cells expand more and have a broader TCR repertoire with preferential expansion of high-affinity T cells than in wild-type mice. Importantly, generation of antigen-specific miR-181a-deficient CD8 effector T cells is particularly impaired, resulting in lower frequencies of CD8 T cells in the liver even at time points when the infection has been cleared. Consistent with the mouse model, CD4 memory T cells in individuals infected with West Nile virus at older ages tend to be more frequent and of higher affinity.
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Affiliation(s)
- Chulwoo Kim
- Division of Immunology and Rheumatology, Department of Medicine, Stanford University, Stanford, CA 94305, USA; Department of Medicine, Palo Alto Veterans Administration Healthcare System, Palo Alto, CA 94306, USA
| | - Rohit R Jadhav
- Division of Immunology and Rheumatology, Department of Medicine, Stanford University, Stanford, CA 94305, USA; Department of Medicine, Palo Alto Veterans Administration Healthcare System, Palo Alto, CA 94306, USA
| | - Claire E Gustafson
- Division of Immunology and Rheumatology, Department of Medicine, Stanford University, Stanford, CA 94305, USA; Department of Medicine, Palo Alto Veterans Administration Healthcare System, Palo Alto, CA 94306, USA
| | - Megan J Smithey
- Department of Immunobiology, University of Arizona College of Medicine, Tucson, AZ 85724, USA; Arizona Center on Aging, University of Arizona College of Medicine, Tucson, AZ 85724, USA
| | - Alec J Hirsch
- Vaccine and Gene Therapy Institute, Oregon Health and Science University, Beaverton, OR 97006, USA
| | - Jennifer L Uhrlaub
- Department of Immunobiology, University of Arizona College of Medicine, Tucson, AZ 85724, USA; Arizona Center on Aging, University of Arizona College of Medicine, Tucson, AZ 85724, USA
| | - William H Hildebrand
- Department of Microbiology and Immunology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - Janko Nikolich-Žugich
- Department of Immunobiology, University of Arizona College of Medicine, Tucson, AZ 85724, USA; Arizona Center on Aging, University of Arizona College of Medicine, Tucson, AZ 85724, USA
| | - Cornelia M Weyand
- Division of Immunology and Rheumatology, Department of Medicine, Stanford University, Stanford, CA 94305, USA; Department of Medicine, Palo Alto Veterans Administration Healthcare System, Palo Alto, CA 94306, USA
| | - Jörg J Goronzy
- Division of Immunology and Rheumatology, Department of Medicine, Stanford University, Stanford, CA 94305, USA; Department of Medicine, Palo Alto Veterans Administration Healthcare System, Palo Alto, CA 94306, USA.
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45
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Andreotti AH, Joseph RE, Conley JM, Iwasa J, Berg LJ. Multidomain Control Over TEC Kinase Activation State Tunes the T Cell Response. Annu Rev Immunol 2019; 36:549-578. [PMID: 29677469 DOI: 10.1146/annurev-immunol-042617-053344] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Signaling through the T cell antigen receptor (TCR) activates a series of tyrosine kinases. Directly associated with the TCR, the SRC family kinase LCK and the SYK family kinase ZAP-70 are essential for all downstream responses to TCR stimulation. In contrast, the TEC family kinase ITK is not an obligate component of the TCR cascade. Instead, ITK functions as a tuning dial, to translate variations in TCR signal strength into differential programs of gene expression. Recent insights into TEC kinase structure have provided a view into the molecular mechanisms that generate different states of kinase activation. In resting lymphocytes, TEC kinases are autoinhibited, and multiple interactions between the regulatory and kinase domains maintain low activity. Following TCR stimulation, newly generated signaling modules compete with the autoinhibited core and shift the conformational ensemble to the fully active kinase. This multidomain control over kinase activation state provides a structural mechanism to account for ITK's ability to tune the TCR signal.
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Affiliation(s)
- Amy H Andreotti
- Roy J. Carver Department of Biochemistry, Biophysics and Molecular Biology, Iowa State University, Ames, Iowa 50011, USA; ,
| | - Raji E Joseph
- Roy J. Carver Department of Biochemistry, Biophysics and Molecular Biology, Iowa State University, Ames, Iowa 50011, USA; ,
| | - James M Conley
- Department of Pathology, University of Massachusetts Medical School, Worcester, Massachusetts 01655, USA; ,
| | - Janet Iwasa
- Department of Biochemistry, University of Utah, Salt Lake City, Utah 84112, USA;
| | - Leslie J Berg
- Department of Pathology, University of Massachusetts Medical School, Worcester, Massachusetts 01655, USA; ,
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46
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Hope JL, Stairiker CJ, Bae EA, Otero DC, Bradley LM. Striking a Balance-Cellular and Molecular Drivers of Memory T Cell Development and Responses to Chronic Stimulation. Front Immunol 2019; 10:1595. [PMID: 31379821 PMCID: PMC6650570 DOI: 10.3389/fimmu.2019.01595] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Accepted: 06/26/2019] [Indexed: 01/11/2023] Open
Abstract
Effective adaptive immune responses are characterized by stages of development and maturation of T and B cell populations that respond to disturbances in the host homeostasis in cases of both infections and cancer. For the T cell compartment, this begins with recognition of specific peptides by naïve, antigen-inexperienced T cells that results in their activation, proliferation, and differentiation, which generates an effector population that clears the antigen. Loss of stimulation eventually returns the host to a homeostatic state, with a heterogeneous memory T cell population that persists in the absence of antigen and is primed for rapid responses to a repeat antigen exposure. However, in chronic infections and cancers, continued antigen persistence impedes a successful adaptive immune response and the formation of a stereotypical memory population of T cells is compromised. With repeated antigen stimulation, responding T cells proceed down an altered path of differentiation that allows for antigen persistence, but much less is known regarding the heterogeneity of these cells and the extent to which they can become “memory-like,” with a capacity for self-renewal and recall responses that are characteristic of bona fide memory cells. This review focuses on the differentiation of CD4+ and CD8+ T cells in the context of chronic antigen stimulation, highlighting the central observations in both human and mouse studies regarding the differentiation of memory or “memory-like” T cells. The importance of both the cellular and molecular drivers of memory T cell development are emphasized to better understand the consequences of persisting antigen on T cell fates. Integrating what is known and is common across model systems and patients can instruct future studies aimed at further understanding T cell differentiation and development, with the goal of developing novel methods to direct T cells toward the generation of effective memory populations.
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Affiliation(s)
- Jennifer L Hope
- Tumor Microenvironment and Cancer Immunology Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, United States
| | - Christopher J Stairiker
- Tumor Microenvironment and Cancer Immunology Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, United States
| | - Eun-Ah Bae
- Tumor Microenvironment and Cancer Immunology Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, United States
| | - Dennis C Otero
- Tumor Microenvironment and Cancer Immunology Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, United States
| | - Linda M Bradley
- Tumor Microenvironment and Cancer Immunology Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, United States
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Auladell M, Jia X, Hensen L, Chua B, Fox A, Nguyen THO, Doherty PC, Kedzierska K. Recalling the Future: Immunological Memory Toward Unpredictable Influenza Viruses. Front Immunol 2019; 10:1400. [PMID: 31312199 PMCID: PMC6614380 DOI: 10.3389/fimmu.2019.01400] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Accepted: 06/03/2019] [Indexed: 01/09/2023] Open
Abstract
Persistent and durable immunological memory forms the basis of any successful vaccination protocol. Generation of pre-existing memory B cell and T cell pools is thus the key for maintaining protective immunity to seasonal, pandemic and avian influenza viruses. Long-lived antibody secreting cells (ASCs) are responsible for maintaining antibody levels in peripheral blood. Generated with CD4+ T help after naïve B cell precursors encounter their cognate antigen, the linked processes of differentiation (including Ig class switching) and proliferation also give rise to memory B cells, which then can change rapidly to ASC status after subsequent influenza encounters. Given that influenza viruses evolve rapidly as a consequence of antibody-driven mutational change (antigenic drift), the current influenza vaccines need to be reformulated frequently and annual vaccination is recommended. Without that process of regular renewal, they provide little protection against “drifted” (particularly H3N2) variants and are mainly ineffective when a novel pandemic (2009 A/H1N1 “swine” flu) strain suddenly emerges. Such limitation of antibody-mediated protection might be circumvented, at least in part, by adding a novel vaccine component that promotes cross-reactive CD8+ T cells specific for conserved viral peptides, presented by widely distributed HLA types. Such “memory” cytotoxic T lymphocytes (CTLs) can rapidly be recalled to CTL effector status. Here, we review how B cells and follicular T cells are elicited following influenza vaccination and how they survive into a long-term memory. We describe how CD8+ CTL memory is established following influenza virus infection, and how a robust CTL recall response can lead to more rapid virus elimination by destroying virus-infected cells, and recovery. Exploiting long-term, cross-reactive CTL against the continuously evolving and unpredictable influenza viruses provides a possible mechanism for preventing a disastrous pandemic comparable to the 1918-1919 H1N1 “Spanish flu,” which killed more than 50 million people worldwide.
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Affiliation(s)
- Maria Auladell
- Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, University of Melbourne, Melbourne, VIC, Australia
| | - Xiaoxiao Jia
- Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, University of Melbourne, Melbourne, VIC, Australia
| | - Luca Hensen
- Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, University of Melbourne, Melbourne, VIC, Australia
| | - Brendon Chua
- Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, University of Melbourne, Melbourne, VIC, Australia.,Research Center for Zoonosis Control, Hokkaido University, Sapporo, Japan
| | - Annette Fox
- WHO Collaborating Centre for Reference and Research on Influenza, Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - Thi H O Nguyen
- Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, University of Melbourne, Melbourne, VIC, Australia
| | - Peter C Doherty
- Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, University of Melbourne, Melbourne, VIC, Australia.,Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN, United States
| | - Katherine Kedzierska
- Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, University of Melbourne, Melbourne, VIC, Australia
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Koike T, Harada K, Horiuchi S, Kitamura D. The quantity of CD40 signaling determines the differentiation of B cells into functionally distinct memory cell subsets. eLife 2019; 8:44245. [PMID: 31225793 PMCID: PMC6636905 DOI: 10.7554/elife.44245] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2018] [Accepted: 06/14/2019] [Indexed: 12/15/2022] Open
Abstract
In mice, memory B (Bmem) cells can be divided into two subpopulations: CD80hi Bmem cells, which preferentially differentiate into plasma cells; and CD80lo Bmem cells, which become germinal center (GC) B cells during a recall response. We demonstrate that these distinct responses can be B-cell-intrinsic and essentially independent of B-cell receptor (BCR) isotypes. Furthermore, we find that the development of CD80hi Bmem cells in the primary immune response requires follicular helper T cells, a relatively strong CD40 signal and a high-affinity BCR on B cells, whereas the development of CD80lo Bmem cells does not. Quantitative differences in CD40 stimulation were enough to recapitulate the distinct B cell fate decisions in an in vitro culture system. The quantity of CD40 signaling appears to be translated into NF-κB activation, followed by BATF upregulation that promotes Bmem cell differentiation from GC B cells.
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Affiliation(s)
- Takuya Koike
- Division of Molecular Biology, Research Institute for Biomedical Sciences (RIBS), Tokyo University of Science, Noda, Japan
| | - Koshi Harada
- Division of Molecular Biology, Research Institute for Biomedical Sciences (RIBS), Tokyo University of Science, Noda, Japan
| | - Shu Horiuchi
- Division of Molecular Biology, Research Institute for Biomedical Sciences (RIBS), Tokyo University of Science, Noda, Japan
| | - Daisuke Kitamura
- Division of Molecular Biology, Research Institute for Biomedical Sciences (RIBS), Tokyo University of Science, Noda, Japan
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O'Sullivan D. The metabolic spectrum of memory T cells. Immunol Cell Biol 2019; 97:636-646. [DOI: 10.1111/imcb.12274] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Revised: 05/13/2019] [Accepted: 05/22/2019] [Indexed: 12/27/2022]
Affiliation(s)
- David O'Sullivan
- Department of Immunometabolism Max Planck Institute of Immunobiology and Epigenetics Freiburg Germany
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Wu SW, Li L, Wang Y, Xiao Z. CTL-Derived Exosomes Enhance the Activation of CTLs Stimulated by Low-Affinity Peptides. Front Immunol 2019; 10:1274. [PMID: 31275303 PMCID: PMC6593274 DOI: 10.3389/fimmu.2019.01274] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2018] [Accepted: 05/20/2019] [Indexed: 01/07/2023] Open
Abstract
Cytotoxic T cells (CTLs) bind to peptides presented by MHC I (pMHC) through T cell receptors of various affinities. Low-affinity CTLs are important for the control of intracellular pathogens and cancers; however, the mechanisms by which these lower affinity CTLs are activated and maintained are not well understood. We recently discovered that fully activated CTLs stimulated by strong-affinity peptides in the presence of IL-12 are able to secrete exosomes that, in turn, stimulate bystander CTLs without requiring the presence of antigen. We hypothesized that exosomes secreted by high-affinity CTLs could strengthen the activation of low-affinity CTLs. Naive OT-I CD8+ cells were stimulated with altered N4 peptides of different affinities in the presence or absence of Exo. The presence of Exo preferentially increased cell proliferation and enhanced the production of IFNγ in CTLs stimulated by low-affinity peptides. The expression of granzyme B (GZB) was augmented in all affinities, with higher GZB production in low-affinity stimulated CTLs than in high-affinity stimulated ones. Exosomes promoted the rapid activation of low-affinity CTLs, which remained responsive to exosomes for a prolonged duration. Unexpectedly, exosomes could be induced quickly (24 h) following CTL activation and at a higher quantity per cell than later (72 h). While exosome protein profiles vary significantly between early exosomes and their later-derived counterparts, both appear to have similar downstream functions. These results reveal a potential mechanism for fully activated CTLs in activating lower-affinity CTLs that may have important implications in boosting the function of low-affinity CTLs in immunotherapy for cancers and chronic viral infections.
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Affiliation(s)
- Shu-Wei Wu
- Department of Animal and Avian Sciences, University of Maryland, College Park, MD, United States
| | - Lei Li
- Department of Animal and Avian Sciences, University of Maryland, College Park, MD, United States
| | - Yan Wang
- Department of Cell Biology and Molecular Genetics, University of Maryland, College Park, MD, United States
| | - Zhengguo Xiao
- Department of Animal and Avian Sciences, University of Maryland, College Park, MD, United States
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