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Dillon SM, Mickens KL, Thompson TA, Cooper EH, Nesladek S, Christians AJ, Castleman M, Guo K, Wood C, Frank DN, Kechris K, Santiago ML, Wilson CC. Granzyme B + CD4 T cells accumulate in the colon during chronic HIV-1 infection. Gut Microbes 2022; 14:2045852. [PMID: 35258402 PMCID: PMC8920224 DOI: 10.1080/19490976.2022.2045852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Chronic HIV-1 infection results in the sustained disruption of gut homeostasis culminating in alterations in microbial communities (dysbiosis) and increased microbial translocation. Major questions remain on how interactions between translocating microbes and gut immune cells impact HIV-1-associated gut pathogenesis. We previously reported that in vitro exposure of human gut cells to enteric commensal bacteria upregulated the serine protease and cytotoxic marker Granzyme B (GZB) in CD4 T cells, and GZB expression was further increased in HIV-1-infected CD4 T cells. To determine if these in vitro findings extend in vivo, we evaluated the frequencies of GZB+ CD4 T cells in colon biopsies and peripheral blood of untreated, chronically infected people with HIV-1 (PWH). Colon and blood GZB+ CD4 T cells were found at significantly higher frequencies in PWH. Colon, but not blood, GZB+ CD4 T cell frequencies were associated with gut and systemic T cell activation and Prevotella species abundance. In vitro, commensal bacteria upregulated GZB more readily in gut versus blood or tonsil-derived CD4 T cells, particularly in inflammatory T helper 17 cells. Bacteria-induced GZB expression in gut CD4 T cells required the presence of accessory cells, the IL-2 pathway and in part, MHC Class II. Overall, we demonstrate that GZB+ CD4 T cells are prevalent in the colon during chronic HIV-1 infection and may emerge following interactions with translocated bacteria in an IL-2 and MHC Class II-dependent manner. Associations between GZB+ CD4 T cells, dysbiosis and T cell activation suggest that GZB+ CD4 T cells may contribute to gut HIV-1 pathogenesis.
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Affiliation(s)
- Stephanie M. Dillon
- Department of Medicine, University of Colorado School of Medicine, Aurora, CO, USA
| | - Kaylee L. Mickens
- Department of Medicine, University of Colorado School of Medicine, Aurora, CO, USA
| | - Tezha A. Thompson
- Department of Medicine, University of Colorado School of Medicine, Aurora, CO, USA
| | - Emily H. Cooper
- Department of Biostatistics and Informatics, Colorado School of Public Health, Aurora, CO, USA
| | - Sabrina Nesladek
- Department of Medicine, University of Colorado School of Medicine, Aurora, CO, USA
| | | | - Moriah Castleman
- Department of Medicine, University of Colorado School of Medicine, Aurora, CO, USA
| | - Kejun Guo
- Department of Medicine, University of Colorado School of Medicine, Aurora, CO, USA
| | - Cheyret Wood
- Department of Biostatistics and Informatics, Colorado School of Public Health, Aurora, CO, USA
| | - Daniel N. Frank
- Department of Medicine, University of Colorado School of Medicine, Aurora, CO, USA
| | - Katerina Kechris
- Department of Biostatistics and Informatics, Colorado School of Public Health, Aurora, CO, USA
| | - Mario L. Santiago
- Department of Medicine, University of Colorado School of Medicine, Aurora, CO, USA
| | - Cara C. Wilson
- Department of Medicine, University of Colorado School of Medicine, Aurora, CO, USA,contact Cara C. Wilson Department of Medicine, University of Colorado School of Medicine, Aurora, CO, USA
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Madsen NH, Gad M, Larsen J. Development of a flow cytometry-based potency assay for prediction of cytokine storms induced by biosimilar monoclonal antibodies. J Immunol Methods 2022; 502:113231. [PMID: 35122772 DOI: 10.1016/j.jim.2022.113231] [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: 09/17/2021] [Revised: 01/02/2022] [Accepted: 01/28/2022] [Indexed: 11/19/2022]
Abstract
Cytokine release syndrome (CRS) is an undesired immune reaction that may cause dangerous side effects after the administration of novel biological therapies. In vitro cytokine release assays (CRA) are used for preclinical safety assessment prior to first-in-man dose administration of therapeutic monoclonal antibodies (mAbs). A variety of CRA platforms has been developed where the analysis of secreted cytokines is performed. Analysis of T cell activation markers is not performed routinely in CRA platforms and few studies have described intracellular cytokine levels after stimulation with therapeutic mAbs. In the present study, we performed a CRA using intracellular cytokine staining and assessment of extracellular T cell activation markers by flow cytometry. We used commercially available reference mAbs for the stimulation of peripheral blood mononuclear cells (PBMCs). We found that stimulation using solid phase (SP) dry coating with two different CD28 antibodies and muromonab-CD3 increased the percentage of IFN-ɣ + CD4+ and CD8+ T cells as well as of CD3-CD56+ NK cells compared to stimulation with antibodies in aqueous phase (AP). Expression of the T cell activation markers CD25 and CD69 on CD4+ and CD8+ T cells was also increased upon SP muromonab-CD3 stimulation. Using multiplex cytokine assessment, we showed that stimulation in AP using ANC28.1, CD28.2 and muromonab-CD3 led to an increase of IFN-ɣ, GM-CSF, TNF-α, and IL-2 secretion. Stimulation of PBMCs preincubated at high-density culture led to an increase in IFN-ɣ production but not in the expression of activation markers compared to low-density culture. Our findings demonstrated that flow cytometry analyses for assessing relevant T cell and NK cell markers may be used as a supplement to multiplex cytokine analysis in CRAs. The approach may be a valuable addition that enables a more precise description of the mechanisms leading to CRS.
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Affiliation(s)
| | - Monika Gad
- Bioneer A/S, Kogle Allé 2, DK-2970 Hørsholm, Denmark
| | - Jesper Larsen
- Bioneer A/S, Kogle Allé 2, DK-2970 Hørsholm, Denmark.
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3
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Lin Z, Huang Y, Jiang H, Zhang D, Yang Y, Geng X, Li B. Functional differences and similarities in activated peripheral blood mononuclear cells by lipopolysaccharide or phytohemagglutinin stimulation between human and cynomolgus monkeys. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:257. [PMID: 33708884 PMCID: PMC7940909 DOI: 10.21037/atm-20-4548] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Background The monkey is a primary species used in toxicological research. However, the failures of preclinical studies to predict a life-threatening “cytokine storm”, which, for instance, rapidly occurred in six healthy volunteers with the CD28 superagonist monoclonal antibody (mAb) TGN1412 in the first-in-human phase I clinical trial, have emphasized a need to clarify the differences between human and monkey immune systems. Methods In the present study, we analyzed and compared the lymphocyte proliferation, cytokine secretion, and gene expression profiles after phytohemagglutinin (PHA) and lipopolysaccharide (LPS) stimulation of peripheral blood mononuclear cells (PBMCs) from three healthy humans and cynomolgus monkeys (Macaca fascicularis). Results The results derived from comparison with the corresponding control groups showed that PHA in humans induced a stronger proliferation and wider range of cytokine secretion, along with a greater number of differently expressed genes (DEGs), than when PHA was applied in cynomolgus monkeys. The significant upregulation of genes involved in the mitotic cell cycle, including cyclin B2, TOP2A, TYMS, and CEP55, was observed in human PBMCs with PHA stimulation, while only infrequent or slight upregulation occurred in cynomolgus monkey PBMCs, which may be one of the reasons for a stronger response to PHA in humans. In contrast to PHA, LPS in both species induced a similar proliferation ratio, cytokine profile, and DEG count, suggesting that human and cynomolgus monkeys have a similar response intensity for innate immune responses. Furthermore, 38 and 20 overlapped genes under PHA and LPS stimulation, respectively, were found in both species. These overlapped DEGs were associated with the same biological functions, including DNA replication, mitosis, immune response, chemotaxis, and inflammatory response. Thus, these results might reflect the highly conserved signatures of immune responses to PHA/LPS stimulation across the primates. Moreover, there were some differences in antigen processing and presentation, and the interferon gamma (INF-γ)–mediated signaling pathway in these species detected by gene expression profile study. Conclusions In conclusion, this is the first study to compare data on the responses of PBMCs to PHA and LPS in humans versus cynomolgus monkeys, and these findings may provide crucial insights into translating non-human primate (NHP) studies into human trials.
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Affiliation(s)
- Zhi Lin
- National Institute for Food and Drug Control, National Center for Safety Evaluation of Drugs, Beijing Key Lab for Preclinical Safety Evaluation of Drugs, Beijing, China
| | - Ying Huang
- National Institute for Food and Drug Control, National Center for Safety Evaluation of Drugs, Beijing Key Lab for Preclinical Safety Evaluation of Drugs, Beijing, China
| | - Hua Jiang
- National Institute for Food and Drug Control, National Center for Safety Evaluation of Drugs, Beijing Key Lab for Preclinical Safety Evaluation of Drugs, Beijing, China
| | - Di Zhang
- National Institute for Food and Drug Control, National Center for Safety Evaluation of Drugs, Beijing Key Lab for Preclinical Safety Evaluation of Drugs, Beijing, China
| | - Yanwei Yang
- National Institute for Food and Drug Control, National Center for Safety Evaluation of Drugs, Beijing Key Lab for Preclinical Safety Evaluation of Drugs, Beijing, China
| | - Xingchao Geng
- National Institute for Food and Drug Control, National Center for Safety Evaluation of Drugs, Beijing Key Lab for Preclinical Safety Evaluation of Drugs, Beijing, China
| | - Bo Li
- National Institute for Food and Drug Control, National Center for Safety Evaluation of Drugs, Beijing Key Lab for Preclinical Safety Evaluation of Drugs, Beijing, China
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Drokov M, Davydova Y, Popova N, Kapranov N, Starikova O, Mikhaltsova E, Nareyko M, Dmitrova A, Konova Z, Galtseva I, Kuzmina L, Parovichnikova E, Savchenko V. High expression of granzyme B in conventional CD4+ T cells is associated with increased relapses after allogeneic stem cells transplantation in patients with hematological malignancies. Transpl Immunol 2020; 65:101295. [PMID: 32302642 DOI: 10.1016/j.trim.2020.101295] [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: 09/04/2019] [Revised: 04/13/2020] [Accepted: 04/13/2020] [Indexed: 11/26/2022]
Abstract
Granzyme B is known to be a serine protease contained in granules of cytotoxic T cells. We have previously reported an influence of granzyme B expression in T regulatory cells (Tregs) on the risk of acute graft versus host disease (GVHD) onset. However, it is still unknown if conventional T cells (Tcon) use the granzyme B pathway as a mechanism of alloimmunity. We hypothesized that granzyme B in Tcon may affect recurrence within the first 6 months after allogeneic transplantation (allo-HSCT). A total of 65 patients with different hematological malignancies were included in this study. Blood samples were collected on day +30 after allo-HSCT. The percentage of granzyme B positive conventional T cells in patients who developed relapse in the first 6 months after allo-HSCT was 11.3 (4.5-35.3) compared to the others in continuous complete remission-1.3 (3.65-9.7), р = 0.011. The risk of relapse after allo-HSCT was in 3.9 times higher in patients with an increased percentage of granzyme B positive conventional T cells. The findings demonstrated that the percentage of granzyme B positive conventional T cells on day +30 after allo-HSCT could be a predictable marker of relapse within the first 6 months after allo-HSCT.
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Affiliation(s)
- Mikhail Drokov
- Immunotherapy and Post-BMT Complications Department, National Research Center for Hematology, Noviy Zikovskiy proezd 4, 125167 Moscow, Russian Federation.
| | - Yulia Davydova
- Flow Cytometry Department, National Research Center for Hematology, Noviy Zikovskiy proezd 4, 125167 Moscow, Russian Federation
| | - Natalia Popova
- Immunotherapy and Post-BMT Complications Department, National Research Center for Hematology, Noviy Zikovskiy proezd 4, 125167 Moscow, Russian Federation
| | - Nikolay Kapranov
- Flow Cytometry Department, National Research Center for Hematology, Noviy Zikovskiy proezd 4, 125167 Moscow, Russian Federation
| | - Olga Starikova
- Immunotherapy and Post-BMT Complications Department, National Research Center for Hematology, Noviy Zikovskiy proezd 4, 125167 Moscow, Russian Federation
| | - Ekaterina Mikhaltsova
- Immunotherapy and Post-BMT Complications Department, National Research Center for Hematology, Noviy Zikovskiy proezd 4, 125167 Moscow, Russian Federation
| | - Maria Nareyko
- BMT Department, National Research Center for Hematology, Noviy Zikovskiy proezd 4, 125167 Moscow, Russian Federation
| | - Anna Dmitrova
- Immunotherapy and Post-BMT Complications Department, National Research Center for Hematology, Noviy Zikovskiy proezd 4, 125167 Moscow, Russian Federation
| | - Zoya Konova
- BMT Department, National Research Center for Hematology, Noviy Zikovskiy proezd 4, 125167 Moscow, Russian Federation
| | - Irina Galtseva
- Flow Cytometry Department, National Research Center for Hematology, Noviy Zikovskiy proezd 4, 125167 Moscow, Russian Federation
| | - Larisa Kuzmina
- BMT Department, National Research Center for Hematology, Noviy Zikovskiy proezd 4, 125167 Moscow, Russian Federation
| | - Elena Parovichnikova
- BMT Department, National Research Center for Hematology, Noviy Zikovskiy proezd 4, 125167 Moscow, Russian Federation
| | - Valery Savchenko
- BMT Department, National Research Center for Hematology, Noviy Zikovskiy proezd 4, 125167 Moscow, Russian Federation
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Mohammadzadeh S, Khanahmad H, Esmaeil N, Eskandari N, Rahimmanesh I, Rezaei A, Andalib A. Producing Soluble Human Programmed Cell Death Protein-1: A Natural Supporter for CD4+T Cell Cytotoxicity and Tumor Cells Apoptosis. IRANIAN JOURNAL OF BIOTECHNOLOGY 2019; 17:e2104. [PMID: 32671122 PMCID: PMC7357696 DOI: 10.30498/ijb.2019.85180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND Programmed cell death protein-1 (PD-1)/PD-L1 pathway is one of the immune checkpoint pathways involved in the regulation of the immune responses and the suppression of anti-tumor defense. PD-1/PD-L1 blocking antibodies improve immune responses such as cytotoxic activity of CD8+/CD4+T cells and increase mortality of tumor cells as well; however, their use is accompanied by adverse side effects. OBJECTIVES We aimed to produce a native blocker of human PD-1/PD-L1, for developing T cells cytotoxicity and tumor cells apoptosis. MATERIALS AND METHODS We designed and cloned soluble human PD-1-GFP-pcDNA3.1/hygro construct in Escherichia coli strain TOP10 cells and then transfected this construct into the HEK cells. The concentration of the secreted shPD-1 in the supernatant was measured and the supernatant was used for blocking PD-L1 on the MDA-MB-231 cells. The cytotoxicity of CD8+/CD4+T cells and the apoptosis of MDA-MB-231 cells, under the influence of shPD-1 in the co-culture of T cells with the MDA-MB-231 cells, were evaluated using flow cytometry technique. RESULTS The GFP expression in the transfected cells illustrated the successful designing, transfection, and production of shPD-1. Soluble human PD-1 concentration in the supernatant of the transfected HEK cells was significantly higher than the untransfected cells. In addition, shPD-1 significantly blocked PD-L1 on the MDA- MB-231 cells, improved the cytotoxicity of CD4+T cells, and increased the apoptosis of MDA-MB-231 cells. CONCLUSION Overall, increased CD4+T cell cytotoxicity and tumor cells apoptosis under the influence of shPD-1, confirmed the effectiveness of shPD-1 as a natural blocker of PD-L1and as an augmenter of the anti-tumorimmune responses.
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Affiliation(s)
- Samane Mohammadzadeh
- Immunology Department, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Hossein Khanahmad
- Genetics and Molecular Biology Department, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Nafiseh Esmaeil
- Immunology Department, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Nahid Eskandari
- Immunology Department, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Ilnaz Rahimmanesh
- Genetics and Molecular Biology Department, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Abbas Rezaei
- Immunology Department, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Alireza Andalib
- Immunology Department, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
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6
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Lemoine M. Animal extrapolation in preclinical studies: An analysis of the tragic case of TGN1412. STUDIES IN HISTORY AND PHILOSOPHY OF BIOLOGICAL AND BIOMEDICAL SCIENCES 2017; 61:35-45. [PMID: 28039775 DOI: 10.1016/j.shpsc.2016.12.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2016] [Revised: 12/19/2016] [Accepted: 12/22/2016] [Indexed: 06/06/2023]
Abstract
According to the received view, the transportation view, animal extrapolation consists in inductive prediction of the outcome of a mechanism in a target, based on an analogical mechanism in a model. Through an analysis of the failure of preclinical studies of TGN1412, an innovative drug, to predict the tragic consequences of its first-in-man trial in 2006, the received view is challenged by a proposed view of animal extrapolation, the chimera view. According to this view, animal extrapolation is based on a hypothesis about how human organisms work, supported by the amalgamation of results drawn from various experimental organisms, and only predicting the 'predictive grid', that is, a global framework of the effects to be expected.
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Affiliation(s)
- Maël Lemoine
- INSERM U930, France; Université de Tours - Faculté de Médecine - Département de SHS, 10 Bd Tonnellé 37032 Tours Cedex, France.
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Proietti C, Zakrzewski M, Watkins TS, Berger B, Hasan S, Ratnatunga CN, Brion MJ, Crompton PD, Miles JJ, Doolan DL, Krause L. Mining, visualizing and comparing multidimensional biomolecular data using the Genomics Data Miner (GMine) Web-Server. Sci Rep 2016; 6:38178. [PMID: 27922118 PMCID: PMC5138638 DOI: 10.1038/srep38178] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Accepted: 11/04/2016] [Indexed: 12/21/2022] Open
Abstract
Genomics Data Miner (GMine) is a user-friendly online software that allows non-experts to mine, cluster and compare multidimensional biomolecular datasets. Various powerful visualization techniques are provided, generating high quality figures that can be directly incorporated into scientific publications. Robust and comprehensive analyses are provided via a broad range of data-mining techniques, including univariate and multivariate statistical analysis, supervised learning, correlation networks, clustering and multivariable regression. The software has a focus on multivariate techniques, which can attribute variance in the measurements to multiple explanatory variables and confounders. Various normalization methods are provided. Extensive help pages and a tutorial are available via a wiki server. Using GMine we reanalyzed proteome microarray data of host antibody response against Plasmodium falciparum. Our results support the hypothesis that immunity to malaria is a higher-order phenomenon related to a pattern of responses and not attributable to any single antigen. We also analyzed gene expression across resting and activated T cells, identifying many immune-related genes with differential expression. This highlights both the plasticity of T cells and the operation of a hardwired activation program. These application examples demonstrate that GMine facilitates an accurate and in-depth analysis of complex molecular datasets, including genomics, transcriptomics and proteomics data.
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Affiliation(s)
- Carla Proietti
- QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | | | - Thomas S Watkins
- QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - Bernard Berger
- Nestlé Research Centre, Vers-chez-les-Blanc, Lausanne, Switzerland
| | - Shihab Hasan
- QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia.,The University of Queensland Diamantina Institute, The University of Queensland, Translational Research Institute, Brisbane, QLD, Australia
| | | | - Marie-Jo Brion
- The University of Queensland Diamantina Institute, The University of Queensland, Translational Research Institute, Brisbane, QLD, Australia
| | - Peter D Crompton
- Malaria Infection Biology and Immunity Unit, Laboratory of Immunogenetics, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, Maryland 20852, USA
| | - John J Miles
- QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia.,Centre for Biosecurity and Tropical Infectious Diseases, Australian Institute of Tropical Health &Medicine, James Cook University, Cairns, QLD, Australia
| | - Denise L Doolan
- QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia.,Centre for Biosecurity and Tropical Infectious Diseases, Australian Institute of Tropical Health &Medicine, James Cook University, Cairns, QLD, Australia
| | - Lutz Krause
- QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia.,The University of Queensland Diamantina Institute, The University of Queensland, Translational Research Institute, Brisbane, QLD, Australia
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8
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Olesch C, Sha W, Angioni C, Sha LK, Açaf E, Patrignani P, Jakobsson PJ, Radeke HH, Grösch S, Geisslinger G, von Knethen A, Weigert A, Brüne B. MPGES-1-derived PGE2 suppresses CD80 expression on tumor-associated phagocytes to inhibit anti-tumor immune responses in breast cancer. Oncotarget 2016; 6:10284-96. [PMID: 25871398 PMCID: PMC4496355 DOI: 10.18632/oncotarget.3581] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2014] [Accepted: 02/13/2015] [Indexed: 01/04/2023] Open
Abstract
Prostaglandin E2 (PGE2) favors multiple aspects of tumor development and immune evasion. Therefore, microsomal prostaglandin E synthase (mPGES-1/-2), is a potential target for cancer therapy. We explored whether inhibiting mPGES-1 in human and mouse models of breast cancer affects tumor-associated immunity. A new model of breast tumor spheroid killing by human PBMCs was developed. In this model, tumor killing required CD80 expression by tumor-associated phagocytes to trigger cytotoxic T cell activation. Pharmacological mPGES-1 inhibition increased CD80 expression, whereas addition of PGE2, a prostaglandin E2 receptor 2 (EP2) agonist, or activation of signaling downstream of EP2 reduced CD80 expression. Genetic ablation of mPGES-1 resulted in markedly reduced tumor growth in PyMT mice. Macrophages of mPGES-1−/− PyMT mice indeed expressed elevated levels of CD80 compared to their wildtype counterparts. CD80 expression in tumor-spheroid infiltrating mPGES-1−/− macrophages translated into antigen-specific cytotoxic T cell activation. In conclusion, mPGES-1 inhibition elevates CD80 expression by tumor-associated phagocytes to restrict tumor growth. We propose that mPGES-1 inhibition in combination with immune cell activation might be part of a therapeutic strategy to overcome the immunosuppressive tumor microenvironment.
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Affiliation(s)
- Catherine Olesch
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt, Germany
| | - Weixiao Sha
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt, Germany
| | - Carlo Angioni
- Institute of Clinical Pharmacology/ZAFES, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt, Germany
| | - Lisa Katharina Sha
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt, Germany
| | - Elias Açaf
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt, Germany
| | - Paola Patrignani
- Department of Neuroscience, Imaging and Clinical Sciences and Center of Excellence on Aging (CeSI), "G. d'Annunzio" University, Chieti, Italy
| | - Per-Johan Jakobsson
- Department of Medicine, Rheumatology Research Unit, Karolinska Institutet, Stockholm, Sweden
| | - Heinfried H Radeke
- Pharmazentrum Frankfurt/ZAFES, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt, Germany
| | - Sabine Grösch
- Institute of Clinical Pharmacology/ZAFES, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt, Germany
| | - Gerd Geisslinger
- Institute of Clinical Pharmacology/ZAFES, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt, Germany
| | - Andreas von Knethen
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt, Germany
| | - Andreas Weigert
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt, Germany
| | - Bernhard Brüne
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt, Germany
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9
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Lin L, Couturier J, Yu X, Medina MA, Kozinetz CA, Lewis DE. Granzyme B secretion by human memory CD4 T cells is less strictly regulated compared to memory CD8 T cells. BMC Immunol 2014; 15:36. [PMID: 25245659 PMCID: PMC4195902 DOI: 10.1186/s12865-014-0036-1] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2014] [Accepted: 09/01/2014] [Indexed: 12/14/2022] Open
Abstract
Background Granzyme B (GrzB) is a serine proteinase expressed by memory T cells and NK cells. Methods to measure GrzB protein usually involve intracellular (flow cytometry) and extracellular (ELISA and ELISpot) assays. CD8 T cells are the main source of GrzB during immunological reactions, but activated CD4 T cells deploy GrzB as well. Because GrzB is an important mediator of cell death, tissue pathology and disease, clarification of differences of GrzB expression and secretion between CD4 and CD8 T cells is important for understanding effector functions of these cells. Results Memory CD4 and memory CD8 T cells were purified from human peripheral blood of healthy donors, and production of GrzB was directly compared between memory CD4 and memory CD8 T cells from the same donors using parallel measurements of flow cytometry (intracellular GrzB), ELISpot (single cell secretion of GrzB), and ELISA (bulk extracellular GrzB). Memory CD8 T cells constitutively stored significantly more GrzB protein (~25%) compared to memory CD4 T cells as determined by flow cytometry (~3%), and this difference remained stable after 24 hrs of activation. However, measurement of extracellular GrzB by ELISA revealed that activated memory CD4 T cells secrete similar amounts of GrzB (~1,000 pg/ml by 1x105 cells/200 μl medium) compared to memory CD8 T cells (~600 pg/ml). Measurement of individual GrzB-secreting cells by ELISpot also indicated that similar numbers of activated memory CD4 (~170/1x105) and memory CD8 (~200/1x105) T cells secreted GrzB. Expression of CD107a further indicated that Grzb is secreted similarly by activated CD4 and CD8 T cells, consistent with the ELISA and ELISpot results. However, memory CD8 T cells expressed and secreted more perforin compared to memory CD4 T cells, suggesting that perforin may be less associated with GrzB function for memory CD4 T cells. Conclusions Although measurement of intracellular GrzB by flow cytometry suggests that a larger proportion of CD8 T cells have higher capacity for GrzB production compared to CD4 T cells, ELISpot and ELISA show that similar numbers of activated CD4 and CD8 T cells secrete similar amounts of GrzB. Secretion of GrzB by activated CD8 T cells may be more tightly controlled compared to CD4 T cells.
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Affiliation(s)
| | | | | | | | | | - Dorothy E Lewis
- Division of Infectious Diseases, Department of Internal Medicine, University of Texas Health Science Center at Houston, 6431 Fannin St,, MSB 2,112, Houston 77030, TX, USA.
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10
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Couturier J, Hutchison AT, Medina MA, Gingaras C, Urvil P, Yu X, Nguyen C, Mahale P, Lin L, Kozinetz CA, Schmitz JE, Kimata JT, Savidge TC, Lewis DE. HIV replication in conjunction with granzyme B production by CCR5+ memory CD4 T cells: Implications for bystander cell and tissue pathologies. Virology 2014; 462-463:175-88. [PMID: 24999042 DOI: 10.1016/j.virol.2014.06.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2013] [Revised: 02/26/2014] [Accepted: 06/09/2014] [Indexed: 12/22/2022]
Abstract
Granzyme B (GrzB) is expressed by activated T cells and mediates cellular apoptosis. GrzB also acts as an extracellular protease involved in tissue degradation. We hypothesized that GrzB production from activated memory CD4 T cells may be associated with HIV pathogenesis. We found that stimulated memory CD4 T cells (via costimulation, cytokines, and TLR ligands) concomitantly produced GrzB and HIV. Both GrzB and HIV expression were mainly restricted to CCR5-expressing memory CD4+CD45RO+ T cells, including Th1 and Th17 subsets. Activated memory CD4 T cells also mediated tissue damage, such as disruption of intestinal epithelial monolayers. In non-human primates, CD4 T cells of rhesus macaques (pathogenic SIV hosts) expressed higher GrzB compared to African green monkeys (non-pathogenic SIV hosts). These results suggest that GrzB from CCR5+ memory CD4 T cells may have a role in cellular and tissue pathologies during HIV infection.
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Affiliation(s)
- Jacob Couturier
- Division of Infectious Diseases, Department of Internal Medicine, University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Alexander T Hutchison
- Division of Infectious Diseases, Department of Internal Medicine, University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Miguel A Medina
- Division of Infectious Diseases, Department of Internal Medicine, University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Cosmina Gingaras
- Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA
| | - Petri Urvil
- Texas Children׳s Microbiome Center, Department of Pathology & Immunology, Baylor College of Medicine, Houston, TX, USA
| | - Xiaoying Yu
- Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA
| | - Chi Nguyen
- Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA
| | - Parag Mahale
- Division of Infectious Diseases, Department of Internal Medicine, University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Lin Lin
- Division of Infectious Diseases, Department of Internal Medicine, University of Texas Health Science Center at Houston, Houston, TX, USA
| | | | - Joern E Schmitz
- Center for Virology and Vaccine Research, Department of Medicine, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Jason T Kimata
- Department of Molecular Virology & Microbiology, Baylor College of Medicine, Houston, TX, USA
| | - Tor C Savidge
- Texas Children׳s Microbiome Center, Department of Pathology & Immunology, Baylor College of Medicine, Houston, TX, USA
| | - Dorothy E Lewis
- Division of Infectious Diseases, Department of Internal Medicine, University of Texas Health Science Center at Houston, Houston, TX, USA.
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11
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Li XY, Li Z, An GJ, Liu S, Lai YD. Co-expression of perforin and granzyme B genes induces apoptosis and inhibits the tumorigenicity of laryngeal cancer cell line Hep-2. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2014; 7:978-986. [PMID: 24696715 PMCID: PMC3971300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 12/25/2013] [Accepted: 01/23/2014] [Indexed: 06/03/2023]
Abstract
Granzyme B and perforin, two of the most important components, have shown anticancer properties in various cancers, but their effects in laryngeal cancer remain unexplored. Here we decided to examine the effects of Granzyme B and perforin in Hep-2 cells and clarify the role of perforin and granzyme B in the tumorigenicity of laryngeal cancer cell line. Hep-2 cells were transfected with pVAX1-PIG co-expression vector (comprising perforin and granzyme B genes), and then the growth and apoptosis of these Hep-2 cells were evaluated. The tumorigenicity of Hep-2 cell line co-expressing perforin and granzyme B genes was tested in BALB/c nu/nu mice. We found that the co-expression of perforin and granzyme B genes could obviously inhibit cell focus formation and induce cell apoptosis in Hep-2 cells. Furthermore, after subcutaneous injection of Hep-2 cells transfected with pVAX1-PIG, an extensive delay in tumor growth was observed in BALB/c-nu/nu mice. Moreover, our studies demonstrated that the anticancer activity of perforin and granzyme B was sustainable in vivo as tumor development by inducing cell apoptosis. Taken together, our data indicate that the co-expression of perforin and granzyme B genes exhibits anticancer potential, and hopefully provide potential therapeutic applications in laryngeal cancer.
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Affiliation(s)
- Xiu-Ying Li
- Institute of Genomic Medicine, College of Pharmacy, Jinan University601 Huangpudadao Xi Road, Guangzhou 510632, China
| | - Zhi Li
- Institute of Genomic Medicine, College of Pharmacy, Jinan University601 Huangpudadao Xi Road, Guangzhou 510632, China
| | - Gui-Jie An
- Institute of Genomic Medicine, College of Pharmacy, Jinan University601 Huangpudadao Xi Road, Guangzhou 510632, China
| | - Sha Liu
- Institute of Genomic Medicine, College of Pharmacy, Jinan University601 Huangpudadao Xi Road, Guangzhou 510632, China
| | - Yan-Dong Lai
- Institute for Chemical Carcinogenesis, Guangzhou Medical University195 Dongfeng Xi Road, Guangzhou 510182, China
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12
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Reber A, Katz J. Immunological assessment of influenza vaccines and immune correlates of protection. Expert Rev Vaccines 2013; 12:519-36. [PMID: 23659300 DOI: 10.1586/erv.13.35] [Citation(s) in RCA: 99] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Influenza vaccines remain the primary public health tool in reducing the ever-present burden of influenza and its complications. In seeking more immunogenic, more effective and more broadly cross-protective influenza vaccines, the landscape of influenza vaccines is rapidly expanding, both in near-term advances and next-generation vaccine design. Although the first influenza vaccines were licensed over 60 years ago, the hemagglutination-inhibition antibody titer is currently the only universally accepted immune correlate of protection against influenza. However, hemagglutination-inhibition titers appear to be less effective at predicting protection in populations at high risk for severe influenza disease; older adults, young children and those with certain medical conditions. The lack of knowledge and validated methods to measure alternate immune markers of protection against influenza remain a substantial barrier to the development of more immunogenic, broadly cross-reactive and effective influenza vaccines. Here, the authors review the knowledge of immune effectors of protection against influenza and discuss assessment methods for a broader range of immunological parameters that could be considered in the evaluation of traditional or new-generation influenza vaccines.
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Affiliation(s)
- Adrian Reber
- Influenza Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, 1600 Clifton Road Atlanta, GA 30333, USA
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