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Hou F, Guo Z, Ho MT, Hui Y, Zhao CX. Particle-Based Artificial Antigen-Presenting Cell Systems for T Cell Activation in Adoptive T Cell Therapy. ACS NANO 2024; 18:8571-8599. [PMID: 38483840 DOI: 10.1021/acsnano.3c10180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/27/2024]
Abstract
T cell-based adoptive cell therapy (ACT) has emerged as a promising treatment for various diseases, particularly cancers. Unlike other immunotherapy modalities, ACT involves directly transferring engineered T cells into patients to eradicate diseased cells; hence, it necessitates methods for effectively activating and expanding T cells in vitro. Artificial antigen-presenting cells (aAPCs) have been widely developed based on biomaterials, particularly micro- and nanoparticles, and functionalized with T cell stimulatory antibodies to closely mimic the natural T cell-APC interactions. Due to their vast clinical utility, aAPCs have been employed as an off-the-shelf technology for T cell activation in FDA-approved ACTs, and the development of aAPCs is constantly advancing with the emergence of aAPCs with more sophisticated designs and additional functionalities. Here, we review the recent advancements in particle-based aAPCs for T cell activation in ACTs. Following a brief introduction, we first describe the manufacturing processes of ACT products. Next, the design and synthetic strategies for micro- and nanoparticle-based aAPCs are discussed separately to emphasize their features, advantages, and limitations. Then, the impact of design parameters of aAPCs, such as size, shape, ligand density/mobility, and stiffness, on their functionality and biomedical performance is explored to provide deeper insights into the design concepts and principles for more efficient and safer aAPCs. The review concludes by discussing current challenges and proposing future perspectives for the development of more advanced aAPCs.
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Affiliation(s)
- Fei Hou
- School of Chemical Engineering, Faculty of Sciences, Engineering and Technology, The University of Adelaide, Adelaide, South Australia 5005, Australia
| | - Zichao Guo
- School of Chemical Engineering, Faculty of Sciences, Engineering and Technology, The University of Adelaide, Adelaide, South Australia 5005, Australia
| | - Minh Trang Ho
- School of Chemical Engineering, Faculty of Sciences, Engineering and Technology, The University of Adelaide, Adelaide, South Australia 5005, Australia
| | - Yue Hui
- School of Chemical Engineering, Faculty of Sciences, Engineering and Technology, The University of Adelaide, Adelaide, South Australia 5005, Australia
| | - Chun-Xia Zhao
- School of Chemical Engineering, Faculty of Sciences, Engineering and Technology, The University of Adelaide, Adelaide, South Australia 5005, Australia
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2
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Leveraging biomaterials for enhancing T cell immunotherapy. J Control Release 2022; 344:272-288. [PMID: 35217099 DOI: 10.1016/j.jconrel.2022.02.023] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 02/16/2022] [Accepted: 02/17/2022] [Indexed: 12/12/2022]
Abstract
The dynamic roles of T cells in the immune system to recognize and destroy the infected or mutated cells render T cell therapy a prospective treatment for a variety of diseases including cancer, autoimmune diseases, and allograft rejection. However, the clinical applications of T cell therapy remain unsatisfactory due to the tedious manufacturing process, off-target cytotoxicity, poor cell persistence, and associated adverse effects. To this end, various biomaterials have been introduced to enhance T cell therapy by facilitating proliferation, enhancing local enrichment, prolonging retention, and alleviating side effects. This review highlights the design strategies of biomaterials developed for T cell expansion, enrichment, and delivery as well as their corresponding therapeutic effects. The prospects of biomaterials for enhancing T cell immunotherapy are also discussed in this review.
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3
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Japp AS, Meng W, Rosenfeld AM, Perry DJ, Thirawatananond P, Bacher RL, Liu C, Gardner JS, Atkinson MA, Kaestner KH, Brusko TM, Naji A, Luning Prak ET, Betts MR. TCR +/BCR + dual-expressing cells and their associated public BCR clonotype are not enriched in type 1 diabetes. Cell 2021; 184:827-839.e14. [PMID: 33545036 DOI: 10.1016/j.cell.2020.11.035] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 06/30/2020] [Accepted: 11/19/2020] [Indexed: 12/20/2022]
Abstract
Ahmed and colleagues recently described a novel hybrid lymphocyte expressing both a B and T cell receptor, termed double expresser (DE) cells. DE cells in blood of type 1 diabetes (T1D) subjects were present at increased numbers and enriched for a public B cell clonotype. Here, we attempted to reproduce these findings. While we could identify DE cells by flow cytometry, we found no association between DE cell frequency and T1D status. We were unable to identify the reported public B cell clone, or any similar clone, in bulk B cells or sorted DE cells from T1D subjects or controls. We also did not observe increased usage of the public clone VH or DH genes in B cells or in sorted DE cells. Taken together, our findings suggest that DE cells and their alleged public clonotype are not enriched in T1D. This Matters Arising paper is in response to Ahmed et al. (2019), published in Cell. See also the response by Ahmed et al. (2021), published in this issue.
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Affiliation(s)
- Alberto Sada Japp
- Department of Microbiology, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA 19104, USA; Institute for Immunology, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA 19104, USA
| | - Wenzhao Meng
- Institute for Immunology, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA 19104, USA; Department of Pathology and Laboratory Medicine, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA 19104, USA
| | - Aaron M Rosenfeld
- Institute for Immunology, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA 19104, USA; Department of Pathology and Laboratory Medicine, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA 19104, USA
| | - Daniel J Perry
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida Diabetes Institute, College of Medicine, Gainesville, FL 32610, USA
| | - Puchong Thirawatananond
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida Diabetes Institute, College of Medicine, Gainesville, FL 32610, USA
| | - Rhonda L Bacher
- Department of Biostatistics, University of Florida, College of Medicine, Gainesville, FL 32610, USA
| | - Chengyang Liu
- Institute for Immunology, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA 19104, USA; Department of Surgery, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA 19104, USA
| | - Jay S Gardner
- Department of Microbiology, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA 19104, USA; Institute for Immunology, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA 19104, USA
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- The Human Pancreas Analysis Program, Perelman School of Medicine, Philadelphia, PA 19104
| | - Mark A Atkinson
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida Diabetes Institute, College of Medicine, Gainesville, FL 32610, USA
| | - Klaus H Kaestner
- Department of Genetics and Institute for Diabetes, Obesity, and Metabolism, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA 19104
| | - Todd M Brusko
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida Diabetes Institute, College of Medicine, Gainesville, FL 32610, USA
| | - Ali Naji
- Institute for Immunology, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA 19104, USA; Department of Surgery, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA 19104, USA
| | - Eline T Luning Prak
- Institute for Immunology, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA 19104, USA; Department of Pathology and Laboratory Medicine, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA 19104, USA.
| | - Michael R Betts
- Department of Microbiology, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA 19104, USA; Institute for Immunology, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA 19104, USA.
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Isser A, Livingston NK, Schneck JP. Biomaterials to enhance antigen-specific T cell expansion for cancer immunotherapy. Biomaterials 2021; 268:120584. [PMID: 33338931 PMCID: PMC7856270 DOI: 10.1016/j.biomaterials.2020.120584] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 11/22/2020] [Accepted: 11/26/2020] [Indexed: 02/07/2023]
Abstract
T cells are often referred to as the 'guided missiles' of our immune system because of their capacity to traffic to and accumulate at sites of infection or disease, destroy infected or mutated cells with high specificity and sensitivity, initiate systemic immune responses, sterilize infections, and produce long-lasting memory. As a result, they are a common target for a range of cancer immunotherapies. However, the myriad of challenges of expanding large numbers of T cells specific to each patient's unique tumor antigens has led researchers to develop alternative, more scalable approaches. Biomaterial platforms for expansion of antigen-specific T cells offer a path forward towards broadscale translation of personalized immunotherapies by providing "off-the-shelf", yet modular approaches to customize the phenotype, function, and specificity of T cell responses. In this review, we discuss design considerations and progress made in the development of ex vivo and in vivo technologies for activating antigen-specific T cells, including artificial antigen presenting cells, T cell stimulating scaffolds, biomaterials-based vaccines, and artificial lymphoid organs. Ultimate translation of these platforms as a part of cancer immunotherapy regimens hinges on an in-depth understanding of T cell biology and cell-material interactions.
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Affiliation(s)
- Ariel Isser
- Department of Biomedical Engineering, School of Medicine, USA; Institute for Cell Engineering, School of Medicine, USA
| | - Natalie K Livingston
- Department of Biomedical Engineering, School of Medicine, USA; Institute for Cell Engineering, School of Medicine, USA; Translational Tissue Engineering Center, USA; Institute for Nanobiotechnology, USA
| | - Jonathan P Schneck
- Institute for Cell Engineering, School of Medicine, USA; Department of Pathology, School of Medicine, USA; Institute for Nanobiotechnology, USA; Department of Medicine, School of Medicine, Johns Hopkins University, Baltimore, MD, USA.
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Ichikawa J, Yoshida T, Isser A, Laino AS, Vassallo M, Woods D, Kim S, Oelke M, Jones K, Schneck JP, Weber JS. Rapid Expansion of Highly Functional Antigen-Specific T Cells from Patients with Melanoma by Nanoscale Artificial Antigen-Presenting Cells. Clin Cancer Res 2020; 26:3384-3396. [PMID: 32241816 DOI: 10.1158/1078-0432.ccr-19-3487] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 02/13/2020] [Accepted: 03/30/2020] [Indexed: 01/06/2023]
Abstract
PURPOSE Generation of antigen-specific T cells from patients with cancer employs large numbers of peripheral blood cells and/or tumor-infiltrating cells to generate antigen-presenting and effector cells commonly requiring multiple rounds of restimulation ex vivo. We used a novel paramagnetic, nanoparticle-based artificial antigen-presenting cell (nano-aAPC) that combines anti-CD28 costimulatory and human MHC class I molecules that are loaded with antigenic peptides to rapidly expand tumor antigen-specific T cells from patients with melanoma. EXPERIMENTAL DESIGN Nano-aAPC-expressing HLA-A*0201 molecules and costimulatory anti-CD28 antibody and HLA-A*0201 molecules loaded with MART-1 or gp100 class I-restricted peptides were used to stimulate CD8 T cells purified from the peripheral blood of treatment-naïve or PD-1 antibody-treated patients with stage IV melanoma. Expanded cells were restimulated with fresh peptide-pulsed nano-aAPC at day 7. Phenotype analysis and functional assays including cytokine release, cytolysis, and measurement of avidity were conducted. RESULTS MART-1-specific CD8 T cells rapidly expanded up to 1,000-fold by day 14 after exposure to peptide-pulsed nano-aAPC. Expanded T cells had a predominantly stem cell memory CD45RA+/CD62L+/CD95+ phenotype; expressed ICOS, PD-1, Tim3, and LAG3; and lacked CD28. Cells from patients with melanoma were polyfunctional; highly avid; expressed IL2, IFNγ, and TNFα; and exhibited cytolytic activity against tumor cell lines. They expanded 2- to 3-fold after exposure to PD-1 antibody in vivo, and expressed a highly diverse T-cell receptor V beta repertoire. CONCLUSIONS Peptide-pulsed nano-aAPC rapidly expanded polyfunctional antigen-specific CD8 T cells with high avidity, potent lytic function, and a stem cell memory phenotype from patients with melanoma.
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Affiliation(s)
- Junya Ichikawa
- NYU Langone Medical Center, Laura and Isaac Perlmutter Cancer Center, New York, New York.
| | - Tatsuya Yoshida
- NYU Langone Medical Center, Laura and Isaac Perlmutter Cancer Center, New York, New York
| | - Ariel Isser
- Johns Hopkins School of Medicine, Baltimore, Maryland
| | - Andressa S Laino
- NYU Langone Medical Center, Laura and Isaac Perlmutter Cancer Center, New York, New York
| | - Melinda Vassallo
- NYU Langone Medical Center, Laura and Isaac Perlmutter Cancer Center, New York, New York
| | - David Woods
- NYU Langone Medical Center, Laura and Isaac Perlmutter Cancer Center, New York, New York
| | | | | | | | | | - Jeffrey S Weber
- NYU Langone Medical Center, Laura and Isaac Perlmutter Cancer Center, New York, New York.
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Zhang X, Zhang Y, Chen J, Wu Y, Zhang J, Wang J. Nanosecond pulsed electric field inhibits malignant melanoma growth by inducing the change of systemic immunity. Med Oral Patol Oral Cir Bucal 2019; 24:e555-e561. [PMID: 31256187 PMCID: PMC6667006 DOI: 10.4317/medoral.22976] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Accepted: 03/14/2019] [Indexed: 01/29/2023] Open
Abstract
BACKGROUND Nanosecond pulsed electric fields (nsPEFs) showed an inhibitory effect on proliferation of malignant melanoma. In this study, the growth of melanoma were inhibited by changing the systemic immunity . MATERIAL AND METHODS C57BL/6 mice with B16 malignant were exposed to 200 pulses of 100 ns duration, 30kV/cm. The mice were executed four days later. T lymphocyte has been extracted from spleen. Cell viability was evaluated by CCK-8 assay. CD3+CD4+ T cells, CD3+CD8+ T cells, regulatory T cells (Treg) and myeloid-derived suppressor cells (MDSC) were analyzed by flow cytometry . TNF-α, IL-2, IL-10, TGF-β, IFN- γ levels in supernatants were assessed by ELISA. RESULTS C57 malignant melanoma model were established successfully. After the treatment of nsPEFs(30 kV/cm 100 ns 200p), the numbers of T lymphocytes were increased.CD3+ CD4+ T cells changed from 48% to 51.2%;CD3+CD8+T lymphocytes increased from 39.6% to 40.4%.Treg cells reduced from 4.3% to 2.4%,MDSC decreased by 39.0% to 19.7% . In addition, the level of TNF-α, IL-2 were increased (P < 0.05) and the level of IL-10 were decreased (P < 0.05) and the level of TGF-β and IFN-γ remained stable (P > 0.05). CONCLUSIONS Tumor growth can be effectively inhibited by nsPEFs in vivo, which activate targets of immune respones, accumulation of inflammatory cells and immune cytokines.
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Affiliation(s)
- X Zhang
- Lanzhou University, 199 Donggang Western Road Lanzhou Gansu 730000, China
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7
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Combination of DC/CIK adoptive T cell immunotherapy with chemotherapy in advanced non-small-cell lung cancer (NSCLC) patients: a prospective patients’ preference-based study (PPPS). Clin Transl Oncol 2018; 21:721-728. [DOI: 10.1007/s12094-018-1968-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Accepted: 10/16/2018] [Indexed: 01/06/2023]
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8
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Abstract
The immune system is an incredibly complex biological network that plays a significant role in almost all disease pathogenesis. With an increased understanding of how this vital system operates, there has been a great emphasis on leveraging, manipulating, and/or supplementing endogenous immunity to better prevent or treat different disease states. More recently, the advent of nanotechnology has ushered in a plethora of new nanoparticle-based platforms that can be used to improve existing immunomodulation modalities. As the ability to engineer at the nanoscale becomes increasingly sophisticated, nanoparticles can be finely tuned to effect the desired immune responses, leading to exciting new avenues for addressing pressing issues in public health. In this review, we give an overview of the different areas in which nanoparticle technology has been applied toward modulating the immune system and highlight the recent advances within each.
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Affiliation(s)
- Ronnie H Fang
- Department of NanoEngineering, University of California, San Diego, La Jolla, California 92093;
| | - Liangfang Zhang
- Department of NanoEngineering, University of California, San Diego, La Jolla, California 92093;
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9
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Trevaskis NL, Kaminskas LM, Porter CJH. From sewer to saviour — targeting the lymphatic system to promote drug exposure and activity. Nat Rev Drug Discov 2015; 14:781-803. [DOI: 10.1038/nrd4608] [Citation(s) in RCA: 378] [Impact Index Per Article: 42.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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10
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Shao K, Singha S, Clemente-Casares X, Tsai S, Yang Y, Santamaria P. Nanoparticle-based immunotherapy for cancer. ACS NANO 2015; 9:16-30. [PMID: 25469470 DOI: 10.1021/nn5062029] [Citation(s) in RCA: 313] [Impact Index Per Article: 34.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
The design of nanovaccines capable of triggering effective antitumor immunity requires an understanding of how the immune system senses and responds to threats, including pathogens and tumors. Equally important is an understanding of the mechanisms employed by tumor cells to evade immunity and an appreciation of the deleterious effects that antitumor immune responses can have on tumor growth, such as by skewing tumor cell composition toward immunologically silent tumor cell variants. The immune system and tumors engage in a tug-of-war driven by competition where promoting antitumor immunity or tumor cell death alone may be therapeutically insufficient. Nanotechnology affords a unique opportunity to develop therapeutic compounds than can simultaneously tackle both aspects, favoring tumor eradication. Here, we review the current status of nanoparticle-based immunotherapeutic strategies for the treatment of cancer, ranging from antigen/adjuvant delivery vehicles (to professional antigen-presenting cell types of the immune system) to direct tumor antigen-specific T-lymphocyte-targeting compounds and their combinations thereof.
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Affiliation(s)
- Kun Shao
- Julia McFarlane Diabetes Research Centre (JMDRC) and Department of Microbiology, Immunology and Infectious Diseases, Snyder Institute for Chronic Diseases and Hotchkiss Brain Institute, Cummings School of Medicine, University of Calgary , Calgary, Alberta T2N 4N1 Canada
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11
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van der Weijden J, Paulis LE, Verdoes M, van Hest JCM, Figdor CG. The right touch: design of artificial antigen-presenting cells to stimulate the immune system. Chem Sci 2014. [DOI: 10.1039/c4sc01112k] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
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12
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Shen C, Cheng K, Miao S, Wang W, He Y, Meng F, Zhang J. Latex bead-based artificial antigen-presenting cells induce tumor-specific CTL responses in the native T-cell repertoires and inhibit tumor growth. Immunol Lett 2013; 150:1-11. [PMID: 23328744 DOI: 10.1016/j.imlet.2013.01.003] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2012] [Revised: 12/30/2012] [Accepted: 01/04/2013] [Indexed: 01/10/2023]
Abstract
Cell-free artificial antigen-presenting cells (aAPCs) were generated by coupling H-2K(b)/TRP2 tetramers together with anti-CD28 and anti-4-1BB antibodies onto cell-sized latex beads and injected intravenously and subcutaneously into naïve mice and antigen-primed mice (B6, H-2K(b)). Vigorous tumor antigen-specific CTL responses in the native T-cell repertoire in each mouse model were elicited as evaluated by measuring surface CD69 and CD25, intracellular IFN-γ, tetramer staining and cytolysis of melanoma cells. Furthermore, the aAPCs efficiently inhibited subcutaneous tumor growth and markedly delayed tumor progression in tumor-bearing mice. These data suggest that bead-based aAPCs represent a potential strategy for the active immunotherapy of cancers or persistent infections.
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Affiliation(s)
- Chuanlai Shen
- Department of Microbiology and Immunology, Southeast University Medical School, Nanjing, Jiangsu, China.
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13
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Moon JJ, Huang B, Irvine DJ. Engineering nano- and microparticles to tune immunity. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2012; 24:3724-46. [PMID: 22641380 PMCID: PMC3786137 DOI: 10.1002/adma.201200446] [Citation(s) in RCA: 290] [Impact Index Per Article: 24.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2012] [Indexed: 05/13/2023]
Abstract
The immune system can be a cure or cause of disease, fulfilling a protective role in attacking cancer or pathogenic microbes but also causing tissue destruction in autoimmune disorders. Thus, therapies aimed to amplify or suppress immune reactions are of great interest. However, the complex regulation of the immune system, coupled with the potential systemic side effects associated with traditional systemic drug therapies, has presented a major hurdle for the development of successful immunotherapies. Recent progress in the design of synthetic micro- and nano-particles that can target drugs, deliver imaging agents, or stimulate immune cells directly through their physical and chemical properties is leading to new approaches to deliver vaccines, promote immune responses against tumors, and suppress autoimmunity. In addition, novel strategies, such as the use of particle-laden immune cells as living targeting agents for drugs, are providing exciting new approaches for immunotherapy. This progress report describes recent advances in the design of micro- and nano-particles for immunotherapies and diagnostics.
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Affiliation(s)
- James J Moon
- Dept. of Materials Science and Eng., Massachusetts Institute of Technology-MIT, Cambridge, MA, USA
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14
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Caserta S, Nausch N, Sawtell A, Drummond R, Barr T, MacDonald AS, Mutapi F, Zamoyska R. Chronic infection drives expression of the inhibitory receptor CD200R, and its ligand CD200, by mouse and human CD4 T cells. PLoS One 2012; 7:e35466. [PMID: 22496920 PMCID: PMC3322173 DOI: 10.1371/journal.pone.0035466] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2011] [Accepted: 03/16/2012] [Indexed: 01/22/2023] Open
Abstract
Certain parasites have evolved to evade the immune response and establish chronic infections that may persist for many years. T cell responses in these conditions become muted despite ongoing infection. Upregulation of surface receptors with inhibitory properties provides an immune cell-intrinsic mechanism that, under conditions of chronic infection, regulates immune responses and limits cellular activation and associated pathology. The negative regulator, CD200 receptor, and its ligand, CD200, have been shown to regulate macrophage activation and reduce pathology following infection. We show that CD4 T cells also increase expression of inhibitory CD200 receptors (CD200R) in response to chronic infection. CD200R was upregulated on murine effector T cells in response to infection with bacterial, Salmonella enterica, or helminth, Schistosoma mansoni, pathogens that respectively drive predominant Th1- or Th2-responses. In vitro chronic and prolonged stimuli were required for the sustained upregulation of CD200R, and its expression coincided with loss of multifunctional potential in T effector cells during infection. Importantly, we show an association between IL-4 production and CD200R expression on T effector cells from humans infected with Schistosoma haematobium that correlated effectively with egg burden and, thus infection intensity. Our results indicate a role of CD200R:CD200 in T cell responses to helminths which has diagnostic and prognostic relevance as a marker of infection for chronic schistosomiasis in mouse and man.
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Affiliation(s)
- Stefano Caserta
- Institute of Immunology and Infection Research, The University of Edinburgh, Edinburgh, United Kingdom
| | - Norman Nausch
- Institute of Immunology and Infection Research, The University of Edinburgh, Edinburgh, United Kingdom
| | - Amy Sawtell
- Institute of Immunology and Infection Research, The University of Edinburgh, Edinburgh, United Kingdom
| | - Rebecca Drummond
- Institute of Immunology and Infection Research, The University of Edinburgh, Edinburgh, United Kingdom
| | - Tom Barr
- Institute of Immunology and Infection Research, The University of Edinburgh, Edinburgh, United Kingdom
| | - Andrew S. MacDonald
- Institute of Immunology and Infection Research, The University of Edinburgh, Edinburgh, United Kingdom
| | - Francisca Mutapi
- Institute of Immunology and Infection Research, The University of Edinburgh, Edinburgh, United Kingdom
| | - Rose Zamoyska
- Institute of Immunology and Infection Research, The University of Edinburgh, Edinburgh, United Kingdom
- * E-mail:
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15
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Caserta S, Kleczkowska J, Mondino A, Zamoyska R. Reduced functional avidity promotes central and effector memory CD4 T cell responses to tumor-associated antigens. THE JOURNAL OF IMMUNOLOGY 2010; 185:6545-54. [PMID: 21048115 DOI: 10.4049/jimmunol.1001867] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The effect of TCR signals on the differentiation of memory T cells is poorly defined. Conventional wisdom suggests that high-avidity interactions are best for the selection of vaccine Ag candidates or T cell specificities for adoptive T cell therapy to stimulate robust responses. However, in conditions of Ag persistence, high-avidity clones might exhaust and fail to form long-lived protective memory. We have manipulated the functional avidity of CD4 T cells by reducing expression of Lck, a key kinase involved in TCR triggering. Using a mouse model, we followed tetramer-positive T cells responding to a tumor Ag expressed by an adenocarcinoma. We show that reducing the functional avidity increased effector-effector memory responses and improved the generation of self-renewing, recirculating, tumor Ag-specific memory phenotype CD4 T cells. Moreover, such cells together with wild type CD8 T cells were better able to control tumor growth. Mechanistically, reducing Lck prolonged IL-2 production and cell turnover in the central memory population while reducing expression of exhaustion markers in the face of chronic Ag. Our data indicate that, in situations of persistent Ag challenge, generating T cells with reduced functional avidity may elicit more effective immune responses.
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Affiliation(s)
- Stefano Caserta
- Institute for Immunology and Infection Research, The University of Edinburgh, Edinburgh, United Kingdom
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16
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Schiering C, Guarnerio J, Basso V, Muzio L, Mondino A. Antigen-experienced CD4(+) T cells limit naïve T-cell priming in response to therapeutic vaccination in vivo. Cancer Res 2010; 70:6161-70. [PMID: 20631073 DOI: 10.1158/0008-5472.can-09-4398] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
CD4(+) T cells play a central role in protective immunity. In a mouse tumor model, we previously found that tumor growth elicits natural CD4(+) T-cell responses, but impedes therapeutic vaccination. We show here that inhibition of vaccine-mediated naïve T-cell priming is due to the presence of a minor but distinct population of tumor-reactive CD4(+) T cells. These cells are generated in the tumor draining lymph nodes (LN), are capable of systemic redistribution, and act to limit the representation of antigen-bearing MHC II(+) antigen-presenting cells (APC) in contralateral LNs or when transferred to tumor-free mice. Surgical tumor resection, which lowers the representation of tumor primed CD4(+) T cells, restored to some extent vaccine-induced CD4(+) T-cell activation. Likewise, vaccination with artificial APCs (latex beads) or higher numbers of dendritic cells allowed comparable CD4(+) T-cell priming in tumor-free and tumor-bearing mice. Together, our results emphasize the ability of antigen-experienced CD4(+) T lymphocytes to interfere with therapeutic vaccination and highlight the need for alternative strategies able to surmount limitations imposed by ongoing immune responses.
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Affiliation(s)
- Chris Schiering
- Program in Immunology and Bio-Immunotherapy of Cancer, Division of Immunology, Transplantation and Infectious Diseases, San Raffaele Scientific Institute, Milan, Italy
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17
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Caserta S, Alessi P, Basso V, Mondino A. IL-7 is superior to IL-2 for ex vivo expansion of tumour-specific CD4(+) T cells. Eur J Immunol 2010; 40:470-9. [PMID: 19950184 DOI: 10.1002/eji.200939801] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
It is well established that tumours hinder both natural and vaccine-induced tumour-specific CD4(+) T-cell responses. Adoptive T-cell therapy has the potential to circumvent functional tolerance and enhance anti-tumour protective responses. While protocols suitable for the expansion of cytotoxic CD8(+) T cells are currently available, data on tumour-specific CD4(+) T cells remain scarce. We report here that CD4(+) T cells sensitized to tumour-associated Ag in vivo, proliferate in vitro in response to IL-7 without the need for exogenous Ag stimulation and accumulate several folds while preserving a memory-like phenotype. Both cell proliferation and survival accounts for the outgrowth of tumour-sensitized T cells among other memory and naive lymphocytes following exposure to IL-7. Also IL-2, previously used to expand anti-tumour CTL, promotes tumour-specific CD4(+) T-cell accumulation. However, IL-7 is superior to IL-2 at preserving lymphocyte viability, in vitro and in vivo, maintaining those properties, that are required by helper CD4(+) T cells to confer therapeutic efficacy upon transplantation in tumour-bearing hosts. Together our data support a unique role for IL-7 in retrieving memory-like CD4(+) T cells suitable for adoptive T-cell therapy.
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Affiliation(s)
- Stefano Caserta
- Program in Immunology and Bio-Immuno-gene therapy of Cancer (PIBIC), Division of Immunology, Transplantation and Infectious Diseases, San Raffaele Scientific Institute, Milan, Italy
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Salmond RJ, Filby A, Qureshi I, Caserta S, Zamoyska R. T-cell receptor proximal signaling via the Src-family kinases, Lck and Fyn, influences T-cell activation, differentiation, and tolerance. Immunol Rev 2009; 228:9-22. [PMID: 19290918 DOI: 10.1111/j.1600-065x.2008.00745.x] [Citation(s) in RCA: 270] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
T-cell development in the thymus and activation of mature T cells in secondary lymphoid organs requires the ability of cells to respond appropriately to environmental signals at multiple stages of their development. The process of thymocyte selection insures a functional T-cell repertoire, while activation of naive peripheral T cells induces proliferation, gain of effector function, and, ultimately, long-lived T-cell memory. The T-cell immune response is initiated upon engagement of the T-cell receptor (TCR) and coreceptor, CD4 or CD8, by cognate antigen/major histocompatibility complexes presented by antigen-presenting cells. TCR/coreceptor engagement induces the activation of biochemical signaling pathways that, in combination with signals from costimulator molecules and cytokine receptors, direct the outcome of the response. Activation of the src-family kinases p56(lck) (Lck) and p59(fyn) (Fyn) is central to the initiation of TCR signaling pathways. This review focuses on our current understanding of the mechanisms by which these two proteins orchestrate T-cell function.
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Affiliation(s)
- Robert J Salmond
- Molecular Immunology, MRC National Institute for Medical Research, The Ridgeway, Mill Hill, London, UK
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