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Li Y, Singh S, Breckenridge HA, Cui TX, Vigil TM, Kreger JE, Lei J, Wong HKA, Sajjakulnukit P, Zhou X, Kelley Bentley J, Lyssiotis CA, Mortensen RM, Hershenson MB. Itaconate suppresses house dust mite-induced allergic airways disease and Th2 cell differentiation. Mucosal Immunol 2024:S1933-0219(24)00082-5. [PMID: 39147278 DOI: 10.1016/j.mucimm.2024.08.001] [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: 03/22/2024] [Revised: 07/11/2024] [Accepted: 08/01/2024] [Indexed: 08/17/2024]
Abstract
Itaconate was initially identified as an antimicrobial compound produced by myeloid cells. Beyond its antimicrobial role, itaconate may also serve as a crucial metabolic and immune modulator. We therefore examined the roles of aconitate decarboxylase 1 (Acod1) and itaconate in house dust mite (HDM)-sensitized and -challenged mice, a model of T helper 2 (Th2)-driven allergic airways disease. HDM treatment induced lung Acod1 mRNA expression and bronchoalveolar lavage (BAL) itaconate levels in wild-type C57BL/6 mice. Acod1 knockout mice (Acod1-KO) with negligible BAL itaconate showed heightened HDM-induced type 2 cytokine expression, increased serum IgE, and enhanced recruitment of Th2 cells in the lung, indicating a shift towards a more pronounced Th2 immune response. Acod1-KO mice also showed increased eosinophilic airway inflammation and hyperresponsiveness. Experiments in chimeric mice demonstrated that bone marrow from Acod1-KO mice is sufficient to increase type 2 cytokine expression in wild-type mice, and that restitution of bone marrow from wild type mice attenuates mRNA expression of Th2 cytokines in Acod1-KO mice. Specific deletion of Acod1 in lysozyme-secreting macrophages (LysM-cre+Acod1flox/flox) recapitulated the exaggerated phenotype observed in whole-body Acod1-KO mice. Adoptive transfer of Acod1-KO bone marrow-derived macrophages also increased lung mRNA expression of Th2 cytokines. In addition, treatment of Th2-polarized CD4 cells with itaconate impeded Th2 cell differentiation, as shown by reduced expression of Gata3 and decreased release of IL-5 and IL-13. Finally, public datasets of human samples show lower Acod1 expression in subjects with allergic asthma, consistent with a protective role of itaconate in asthma pathogenesis. Together, these data suggest that itaconate plays a protective, immunomodulatory role in limiting airway type 2 inflammation after allergen challenge by attenuating T cell responses.
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Affiliation(s)
- Yiran Li
- Department of Pediatrics, Ann Arbor, MI, USA
| | | | | | - Tracy X Cui
- Department of Pediatrics, Ann Arbor, MI, USA
| | | | | | - Jing Lei
- Department of Pediatrics, Ann Arbor, MI, USA
| | - Harrison K A Wong
- Department of Molecular and Integrative Physiology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Peter Sajjakulnukit
- Department of Molecular and Integrative Physiology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Xiaofeng Zhou
- Department of Microbiology and Immunology, Ann Arbor, MI, USA
| | | | - Costas A Lyssiotis
- Department of Molecular and Integrative Physiology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Richard M Mortensen
- Department of Molecular and Integrative Physiology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Marc B Hershenson
- Department of Pediatrics, Ann Arbor, MI, USA; Department of Molecular and Integrative Physiology, University of Michigan Medical School, Ann Arbor, MI, USA.
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2
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Ghena N, Anderson SR, Roberts JM, Irvin E, Schwakopf J, Bosco A, Vetter ML. CD11c-expressing microglia are transient, driven by interactions with apoptotic cells. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.06.24.600082. [PMID: 38979153 PMCID: PMC11230207 DOI: 10.1101/2024.06.24.600082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/10/2024]
Abstract
Microglia, the parenchymal macrophage of the central nervous system serve crucial remodeling functions throughout development. Microglia are transcriptionally heterogenous, suggesting that distinct microglial states confer discrete roles. Currently, little is known about how dynamic these states are, the cues that promote them, or how they impact microglial function. In the developing retina, we previously found a significant proportion of microglia express CD11c (Integrin αX, complement receptor 4, Itgax) which has also been reported in other developmental and disease contexts. Here, we sought to understand the regulation and function of CD11c+ microglia. We found that CD11c+ microglia track with prominent waves of neuronal apoptosis in postnatal retina. Using genetic fate mapping, we provide evidence that microglia transition out of the CD11c state to return to homeostasis. We show that CD11c+ microglia have elevated lysosomal content and contribute to the clearance of apoptotic neurons, and found that acquisition of CD11c expression is, in part, dependent upon the TAM receptor Axl. Using selective ablation, we found CD11c+ microglia are not uniquely critical for phagocytic clearance of apoptotic cells. Together, our data suggest CD11c+ microglia are a transient state induced by developmental apoptosis rather than a specialized subset mediating phagocytic elimination.
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Affiliation(s)
- Nathaniel Ghena
- Department of Neurobiology, University of Utah School of Medicine
- Interdepartmental Program in Neuroscience, University of Utah
| | - Sarah R Anderson
- Department of Neurobiology, University of Utah School of Medicine
| | | | - Emmalyn Irvin
- Department of Neurobiology, University of Utah School of Medicine
| | - Joon Schwakopf
- Department of Neurobiology, University of Utah School of Medicine
| | - Alejandra Bosco
- Department of Neurobiology, University of Utah School of Medicine
| | - Monica L Vetter
- Department of Neurobiology, University of Utah School of Medicine
- Interdepartmental Program in Neuroscience, University of Utah
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3
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Oliveira TY, Merkenschlager J, Eisenreich T, Bortolatto J, Yao KH, Gatti DM, Churchill GA, Nussenzweig MC, Breton G. Quantitative trait loci mapping provides insights into the genetic regulation of dendritic cell numbers in mouse tissues. Cell Rep 2024; 43:114296. [PMID: 38823019 DOI: 10.1016/j.celrep.2024.114296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 04/02/2024] [Accepted: 05/14/2024] [Indexed: 06/03/2024] Open
Abstract
To explore the influence of genetics on homeostatic regulation of dendritic cell (DC) numbers, we present a screen of DCs and their progenitors in lymphoid and non-lymphoid tissues in Collaborative Cross (CC) and Diversity Outbred (DO) mice. We report 30 and 71 loci with logarithm of the odds (LOD) scores >8.18 and ranging from 6.67 to 8.19, respectively. The analysis reveals the highly polygenic and pleiotropic architecture of this complex trait, including many of the previously identified genetic regulators of DC development and maturation. Two SNPs in genes potentially underlying variation in DC homeostasis, a splice variant in Gramd4 (rs235532740) and a missense variant in Orai3 (rs216659754), are confirmed by gene editing using CRISPR-Cas9. Gramd4 is a central regulator of DC homeostasis that impacts the entire DC lineage, and Orai3 regulates cDC2 numbers in tissues. Overall, the data reveal a large number of candidate genes regulating DC homeostasis in vivo.
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Affiliation(s)
- Thiago Y Oliveira
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA
| | - Julia Merkenschlager
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA
| | - Thomas Eisenreich
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA
| | - Juliana Bortolatto
- Laboratory of Lymphocyte Dynamics, The Rockefeller University, New York, NY 10065, USA
| | - Kai-Hui Yao
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA
| | | | | | - Michel C Nussenzweig
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA; Howard Hughes Medical Institute (HHMI), The Rockefeller University, New York, NY 10065, USA.
| | - Gaëlle Breton
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA.
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4
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Chen Q, Muñoz AR, Korchagina AA, Shou Y, Vallecer J, Todd AW, Shein SA, Tumanov AV, Koroleva E. LTβR-RelB signaling in intestinal epithelial cells protects from chemotherapy-induced mucosal damage. Front Immunol 2024; 15:1388496. [PMID: 38873613 PMCID: PMC11169669 DOI: 10.3389/fimmu.2024.1388496] [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: 02/19/2024] [Accepted: 05/01/2024] [Indexed: 06/15/2024] Open
Abstract
The intricate immune mechanisms governing mucosal healing following intestinal damage induced by cytotoxic drugs remain poorly understood. The goal of this study was to investigate the role of lymphotoxin beta receptor (LTβR) signaling in chemotherapy-induced intestinal damage. LTβR deficient mice exhibited heightened body weight loss, exacerbated intestinal pathology, increased proinflammatory cytokine expression, reduced IL-22 expression, and proliferation of intestinal epithelial cells following methotrexate (MTX) treatment. Furthermore, LTβR-/-IL-22-/- mice succumbed to MTX treatment, suggesting that LTβR- and IL-22- dependent pathways jointly promote mucosal repair. Although both LTβR ligands LIGHT and LTβ were upregulated in the intestine early after MTX treatment, LIGHT-/- mice, but not LTβ-/- mice, displayed exacerbated disease. Further, we revealed the critical role of T cells in mucosal repair as T cell-deficient mice failed to upregulate intestinal LIGHT expression and exhibited increased body weight loss and intestinal pathology. Analysis of mice with conditional inactivation of LTβR revealed that LTβR signaling in intestinal epithelial cells, but not in Lgr5+ intestinal stem cells, macrophages or dendritic cells was critical for mucosal repair. Furthermore, inactivation of the non-canonical NF-kB pathway member RelB in intestinal epithelial cells promoted MTX-induced disease. Based on these results, we propose a model wherein LIGHT produced by T cells activates LTβR-RelB signaling in intestinal epithelial cells to facilitate mucosal repair following chemotherapy treatment.
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Affiliation(s)
- Qiangxing Chen
- Department of Microbiology, Immunology and Molecular Genetics, University of Texas Health Science Center at San Antonio, San Antonio, TX, United States
- Department of Gastroenterology, Second Xiangya Hospital, and Research Center of Digestive Disease, Central South University, Changsha, Hunan, China
| | - Amanda R. Muñoz
- Department of Microbiology, Immunology and Molecular Genetics, University of Texas Health Science Center at San Antonio, San Antonio, TX, United States
| | - Anna A. Korchagina
- Department of Microbiology, Immunology and Molecular Genetics, University of Texas Health Science Center at San Antonio, San Antonio, TX, United States
| | - Yajun Shou
- Department of Microbiology, Immunology and Molecular Genetics, University of Texas Health Science Center at San Antonio, San Antonio, TX, United States
- Department of Gastroenterology, Second Xiangya Hospital, and Research Center of Digestive Disease, Central South University, Changsha, Hunan, China
| | - Jensine Vallecer
- Department of Microbiology, Immunology and Molecular Genetics, University of Texas Health Science Center at San Antonio, San Antonio, TX, United States
| | - Austin W. Todd
- Department of Microbiology, Immunology and Molecular Genetics, University of Texas Health Science Center at San Antonio, San Antonio, TX, United States
| | - Sergey A. Shein
- Department of Microbiology, Immunology and Molecular Genetics, University of Texas Health Science Center at San Antonio, San Antonio, TX, United States
| | - Alexei V. Tumanov
- Department of Microbiology, Immunology and Molecular Genetics, University of Texas Health Science Center at San Antonio, San Antonio, TX, United States
| | - Ekaterina Koroleva
- Department of Microbiology, Immunology and Molecular Genetics, University of Texas Health Science Center at San Antonio, San Antonio, TX, United States
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Yi F, Cohen T, Zimmerman N, Dündar F, Zumbo P, Eltilib R, Brophy EJ, Arkin H, Feucht J, Gormally MV, Hackett CS, Kropp KN, Etxeberria I, Chandran SS, Park JH, Hsu KC, Sadelain M, Betel D, Klebanoff CA. CAR-engineered lymphocyte persistence is governed by a FAS ligand/FAS auto-regulatory circuit. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.02.26.582108. [PMID: 38464085 PMCID: PMC10925151 DOI: 10.1101/2024.02.26.582108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/12/2024]
Abstract
Chimeric antigen receptor (CAR)-engineered T and NK cells can cause durable remission of B-cell malignancies; however, limited persistence restrains the full potential of these therapies in many patients. The FAS ligand (FAS-L)/FAS pathway governs naturally-occurring lymphocyte homeostasis, yet knowledge of which cells express FAS-L in patients and whether these sources compromise CAR persistence remains incomplete. Here, we constructed a single-cell atlas of diverse cancer types to identify cellular subsets expressing FASLG, the gene encoding FAS-L. We discovered that FASLG is limited primarily to endogenous T cells, NK cells, and CAR-T cells while tumor and stromal cells express minimal FASLG. To establish whether CAR-T/NK cell survival is regulated through FAS-L, we performed competitive fitness assays using lymphocytes modified with or without a FAS dominant negative receptor (ΔFAS). Following adoptive transfer, ΔFAS-expressing CAR-T and CAR-NK cells became enriched across multiple tissues, a phenomenon that mechanistically was reverted through FASLG knockout. By contrast, FASLG was dispensable for CAR-mediated tumor killing. In multiple models, ΔFAS co-expression by CAR-T and CAR-NK enhanced antitumor efficacy compared with CAR cells alone. Together, these findings reveal that CAR-engineered lymphocyte persistence is governed by a FAS-L/FAS auto-regulatory circuit.
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Affiliation(s)
- Fei Yi
- Human Oncology and Pathogenesis Program (HOPP), Memorial Sloan Kettering Cancer Center (MSKCC), New York, NY, USA
| | - Tal Cohen
- Human Oncology and Pathogenesis Program (HOPP), Memorial Sloan Kettering Cancer Center (MSKCC), New York, NY, USA
- Department of Pediatric Hematology/Oncology, Weill Cornell Medical College, New York, NY, USA
| | - Natalie Zimmerman
- Human Oncology and Pathogenesis Program (HOPP), Memorial Sloan Kettering Cancer Center (MSKCC), New York, NY, USA
| | - Friederike Dündar
- Department of Physiology and Biophysics, Weill Cornell Medicine, New York, NY, USA
- Applied Bioinformatics Core, Weill Cornell Medicine, New York, NY, USA
| | - Paul Zumbo
- Department of Physiology and Biophysics, Weill Cornell Medicine, New York, NY, USA
- Applied Bioinformatics Core, Weill Cornell Medicine, New York, NY, USA
| | - Razan Eltilib
- Human Oncology and Pathogenesis Program (HOPP), Memorial Sloan Kettering Cancer Center (MSKCC), New York, NY, USA
| | - Erica J. Brophy
- Human Oncology and Pathogenesis Program (HOPP), Memorial Sloan Kettering Cancer Center (MSKCC), New York, NY, USA
| | - Hannah Arkin
- Human Oncology and Pathogenesis Program (HOPP), Memorial Sloan Kettering Cancer Center (MSKCC), New York, NY, USA
| | - Judith Feucht
- Center for Cell Engineering, MSKCC, New York, NY, USA
- Cluster of Excellence iFIT, University Children’s Hospital Tübingen, Tübingen, Germany
| | - Michael V. Gormally
- Human Oncology and Pathogenesis Program (HOPP), Memorial Sloan Kettering Cancer Center (MSKCC), New York, NY, USA
- Cell Therapy Service, Department of Medicine, MSKCC, New York, NY, USA
| | | | - Korbinian N. Kropp
- Human Oncology and Pathogenesis Program (HOPP), Memorial Sloan Kettering Cancer Center (MSKCC), New York, NY, USA
| | - Inaki Etxeberria
- Human Oncology and Pathogenesis Program (HOPP), Memorial Sloan Kettering Cancer Center (MSKCC), New York, NY, USA
| | - Smita S. Chandran
- Human Oncology and Pathogenesis Program (HOPP), Memorial Sloan Kettering Cancer Center (MSKCC), New York, NY, USA
| | - Jae H. Park
- Center for Cell Engineering, MSKCC, New York, NY, USA
- Cell Therapy Service, Department of Medicine, MSKCC, New York, NY, USA
- Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Katharine C. Hsu
- Human Oncology and Pathogenesis Program (HOPP), Memorial Sloan Kettering Cancer Center (MSKCC), New York, NY, USA
- Center for Cell Engineering, MSKCC, New York, NY, USA
- Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Michel Sadelain
- Center for Cell Engineering, MSKCC, New York, NY, USA
- Department of Immunology, Sloan Kettering Institute, MSKCC, New York, NY, USA
| | - Doron Betel
- Applied Bioinformatics Core, Weill Cornell Medicine, New York, NY, USA
- Department of Medicine, Weill Cornell Medicine, New York, NY, USA
- Institute for Computational Biomedicine, Weill Cornell Medicine, New York, NY, USA
| | - Christopher A. Klebanoff
- Human Oncology and Pathogenesis Program (HOPP), Memorial Sloan Kettering Cancer Center (MSKCC), New York, NY, USA
- Center for Cell Engineering, MSKCC, New York, NY, USA
- Cell Therapy Service, Department of Medicine, MSKCC, New York, NY, USA
- Department of Medicine, Weill Cornell Medicine, New York, NY, USA
- Parker Institute for Cancer Immunotherapy, New York, NY, USA
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6
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Zhang Y, Du L, Wang C, Jiang Z, Duan Q, Li Y, Xie Z, He Z, Sun Y, Huang L, Lu L, Wen C. Neddylation is a novel therapeutic target for lupus by regulating double negative T cell homeostasis. Signal Transduct Target Ther 2024; 9:18. [PMID: 38221551 PMCID: PMC10788348 DOI: 10.1038/s41392-023-01709-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Revised: 10/15/2023] [Accepted: 11/15/2023] [Indexed: 01/16/2024] Open
Abstract
Systemic lupus erythematosus (SLE), a severe autoimmune disorder, is characterized by systemic inflammatory response, autoantibody accumulation and damage to organs. The dysregulation of double-negative (DN) T cells is considered as a crucial commander during SLE. Neddylation, a significant type of protein post-translational modification (PTM), has been well-proved to regulate T cell-mediated immune response. However, the function of neddylation in SLE is still unknown. Here, we reported that neddylation inactivation with MLN4924, a specific inhibitor of NEDD8-activating enzyme E1 (NAE1), or genetic abrogation of Ube2m in T cells decreased DN T cell accumulation and attenuated murine lupus development. Further investigations revealed that inactivation of neddylation blocked Bim ubiquitination degradation and maintained Bim level in DN T cells, contributing to the apoptosis of the accumulated DN T cells in lupus mice. Then double knockout (KO) lupus-prone mice (Ube2m-/-Bim-/-lpr) were generated and results showed that loss of Bim reduced Ube2m deficiency-induced apoptosis in DN T cells and reversed the alleviated lupus progression. Our findings identified that neddylation inactivation promoted Bim-mediated DN T cell apoptosis and attenuated lupus progression. Clinically, we also found that in SLE patients, the proportion of DN T cells was raised and their apoptosis was reduced. Moreover, compared to healthy groups, SLE patients exhibited decreased Bim levels and elevated Cullin1 neddylation levels. Meantime, the inhibition of neddylation induced Bim-dependent apoptosis of DN T cells isolated from SLE patients. Altogether, our findings provide the direct evidence about the function of neddylation during lupus, suggesting a promising therapeutic approach for this disease.
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Affiliation(s)
- Yun Zhang
- Key Laboratory of Chinese medicine rheumatology of Zhejiang Province, Research Institute of Chinese Medical Clinical Foundation and Immunology, College of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Lijun Du
- Key Laboratory of Chinese medicine rheumatology of Zhejiang Province, Research Institute of Chinese Medical Clinical Foundation and Immunology, College of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, 310053, China
- Department of General Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, 310016, China
| | - Chenxi Wang
- Key Laboratory of Chinese medicine rheumatology of Zhejiang Province, Research Institute of Chinese Medical Clinical Foundation and Immunology, College of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Zhangsheng Jiang
- Key Laboratory of Chinese medicine rheumatology of Zhejiang Province, Research Institute of Chinese Medical Clinical Foundation and Immunology, College of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Qingchi Duan
- Key Laboratory of Chinese medicine rheumatology of Zhejiang Province, Research Institute of Chinese Medical Clinical Foundation and Immunology, College of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Yiping Li
- Key Laboratory of Chinese medicine rheumatology of Zhejiang Province, Research Institute of Chinese Medical Clinical Foundation and Immunology, College of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Zhijun Xie
- Key Laboratory of Chinese medicine rheumatology of Zhejiang Province, Research Institute of Chinese Medical Clinical Foundation and Immunology, College of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Zhixing He
- Key Laboratory of Chinese medicine rheumatology of Zhejiang Province, Research Institute of Chinese Medical Clinical Foundation and Immunology, College of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Yi Sun
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education) of the Second Affiliated Hospital and Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, 310029, China
- Cancer Center of Zhejiang University, Hangzhou, 310029, China
| | - Lin Huang
- Key Laboratory of Chinese medicine rheumatology of Zhejiang Province, Research Institute of Chinese Medical Clinical Foundation and Immunology, College of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, 310053, China.
| | - Liwei Lu
- Department of Pathology and Shenzhen Institute of Research and Innovation, The University of Hong Kong, Hong Kong, China.
- Chongqing International Institute for Immunology, Chongqing, 400038, China.
| | - Chengping Wen
- Key Laboratory of Chinese medicine rheumatology of Zhejiang Province, Research Institute of Chinese Medical Clinical Foundation and Immunology, College of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, 310053, China.
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Peng X, Wang Y, Zhang J, Zhang Z, Qi S. Intravital imaging of the functions of immune cells in the tumor microenvironment during immunotherapy. Front Immunol 2023; 14:1288273. [PMID: 38124754 PMCID: PMC10730658 DOI: 10.3389/fimmu.2023.1288273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 11/20/2023] [Indexed: 12/23/2023] Open
Abstract
Cancer immunotherapy has developed rapidly in recent years and stands as one of the most promising techniques for combating cancer. To develop and optimize cancer immunotherapy, it is crucial to comprehend the interactions between immune cells and tumor cells in the tumor microenvironment (TME). The TME is complex, with the distribution and function of immune cells undergoing dynamic changes. There are several research techniques to study the TME, and intravital imaging emerges as a powerful tool for capturing the spatiotemporal dynamics, especially the movement behavior and the immune function of various immune cells in real physiological state. Intravital imaging has several advantages, such as high spatio-temporal resolution, multicolor, dynamic and 4D detection, making it an invaluable tool for visualizing the dynamic processes in the TME. This review summarizes the workflow for intravital imaging technology, multi-color labeling methods, optical imaging windows, methods of imaging data analysis and the latest research in visualizing the spatio-temporal dynamics and function of immune cells in the TME. It is essential to investigate the role played by immune cells in the tumor immune response through intravital imaging. The review deepens our understanding of the unique contribution of intravital imaging to improve the efficiency of cancer immunotherapy.
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Affiliation(s)
- Xuwen Peng
- Britton Chance Center for Biomedical Photonics, Wuhan National Laboratory for Optoelectronics-Huazhong University of Science and Technology, Wuhan, Hubei, China
- MoE Key Laboratory for Biomedical Photonics, School of Engineering Sciences, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Yuke Wang
- Britton Chance Center for Biomedical Photonics, Wuhan National Laboratory for Optoelectronics-Huazhong University of Science and Technology, Wuhan, Hubei, China
- MoE Key Laboratory for Biomedical Photonics, School of Engineering Sciences, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Jie Zhang
- Britton Chance Center for Biomedical Photonics, Wuhan National Laboratory for Optoelectronics-Huazhong University of Science and Technology, Wuhan, Hubei, China
- MoE Key Laboratory for Biomedical Photonics, School of Engineering Sciences, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Zhihong Zhang
- Britton Chance Center for Biomedical Photonics, Wuhan National Laboratory for Optoelectronics-Huazhong University of Science and Technology, Wuhan, Hubei, China
- MoE Key Laboratory for Biomedical Photonics, School of Engineering Sciences, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Shuhong Qi
- Britton Chance Center for Biomedical Photonics, Wuhan National Laboratory for Optoelectronics-Huazhong University of Science and Technology, Wuhan, Hubei, China
- MoE Key Laboratory for Biomedical Photonics, School of Engineering Sciences, Huazhong University of Science and Technology, Wuhan, Hubei, China
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8
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Chen QD, Liu L, Zhao XH, Liang JB, Li SW. Challenges and opportunities in the islet transplantation microenvironment: a comprehensive summary of inflammatory cytokine, immune cells, and vascular endothelial cells. Front Immunol 2023; 14:1293762. [PMID: 38111575 PMCID: PMC10725940 DOI: 10.3389/fimmu.2023.1293762] [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: 09/13/2023] [Accepted: 11/20/2023] [Indexed: 12/20/2023] Open
Abstract
It is now understood that islet transplantation serves as a β-cell replacement therapy for type 1 diabetes. Many factors impact the survival of transplanted islets, especially those related to the microenvironment. This review explored microenvironmental components, including vascular endothelial cells, inflammatory cytokines, and immune cells, and their profound effects on post-islet transplantation survival rates. Furthermore, it revealed therapeutic strategies aimed at targeting these elements. Current evidence suggests that vascular endothelial cells are pivotal in facilitating vascularization and nutrient supply and establishing a new microcirculation network for transplanted islets. Consequently, preserving the functionality of vascular endothelial cells emerges as a crucial strategy to enhance the survival of islet transplantation. Release of cytokines will lead to activation of immune cells and production and release of further cytokines. While immune cells hold undeniable significance in regulating immune responses, their activation can result in rejection reactions. Thus, establishing immunological tolerance within the recipient's body is essential for sustaining graft functionality. Indeed, future research endeavors should be directed toward developing precise strategies for modulating the microenvironment to achieve higher survival rates and more sustained transplantation outcomes. While acknowledging certain limitations inherent to this review, it provides valuable insights that can guide further exploration in the field of islet transplantation. In conclusion, the microenvironment plays a paramount role in islet transplantation. Importantly, we discuss novel perspectives that could lead to broader clinical applications and improved patient outcomes in islet transplantation.
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Affiliation(s)
- Qi-dong Chen
- Taizhou Hospital, Zhejiang University School of Medicine, Taizhou, Zhejiang, China
| | - Long Liu
- Department of Hepatobiliary and Pancreatic Surgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Xiao-hong Zhao
- Department of Pharmacy, Taizhou Hospital, Zhejiang University , Taizhou, Zhejiang, China
| | - Jun-bo Liang
- Taizhou Hospital, Zhejiang University School of Medicine, Taizhou, Zhejiang, China
| | - Shao-wei Li
- Department of Gastroenterology, Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University, Linhai, Zhejiang, China
- Key Laboratory of Minimally Invasive Techniques & Rapid Rehabilitation of Digestive System Tumor of Zhejiang Province, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, Zhejiang, China
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9
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Bayerl F, Bejarano DA, Bertacchi G, Doffin AC, Gobbini E, Hubert M, Li L, Meiser P, Pedde AM, Posch W, Rupp L, Schlitzer A, Schmitz M, Schraml BU, Uderhardt S, Valladeau-Guilemond J, Wilflingseder D, Zaderer V, Böttcher JP. Guidelines for visualization and analysis of DC in tissues using multiparameter fluorescence microscopy imaging methods. Eur J Immunol 2023; 53:e2249923. [PMID: 36623939 DOI: 10.1002/eji.202249923] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 11/07/2022] [Accepted: 11/14/2022] [Indexed: 01/11/2023]
Abstract
This article is part of the Dendritic Cell Guidelines article series, which provides a collection of state-of-the-art protocols for the preparation, phenotype analysis by flow cytometry, generation, fluorescence microscopy, and functional characterization of mouse and human dendritic cells (DC) from lymphoid organs and various non-lymphoid tissues. Here, we provide detailed procedures for a variety of multiparameter fluorescence microscopy imaging methods to explore the spatial organization of DC in tissues and to dissect how DC migrate, communicate, and mediate their multiple functional roles in immunity in a variety of tissue settings. The protocols presented here entail approaches to study DC dynamics and T cell cross-talk by intravital microscopy, large-scale visualization, identification, and quantitative analysis of DC subsets and their functions by multiparameter fluorescence microscopy of fixed tissue sections, and an approach to study DC interactions with tissue cells in a 3D cell culture model. While all protocols were written by experienced scientists who routinely use them in their work, this article was also peer-reviewed by leading experts and approved by all co-authors, making it an essential resource for basic and clinical DC immunologists.
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Affiliation(s)
- Felix Bayerl
- Institute of Molecular Immunology, School of Medicine, Klinikum Rechts der Isar, Technical University of Munich (TUM), Ismaninger Str. 22, Munich, Germany
| | - David A Bejarano
- Quantitative Systems Biology, Life and Medical Sciences (LIMES) Institute, University of Bonn, Germany
| | - Giulia Bertacchi
- Institute of Hygiene and Medical Microbiology, Medical University of Innsbruck, Innsbruck, Austria
| | - Anne-Claire Doffin
- Cancer Research Center Lyon, UMR INSERM 1052 CNRS 5286, Centre Léon Bérard, 28 rue Laennec, Lyon, France
| | - Elisa Gobbini
- Cancer Research Center Lyon, UMR INSERM 1052 CNRS 5286, Centre Léon Bérard, 28 rue Laennec, Lyon, France
| | - Margaux Hubert
- Cancer Research Center Lyon, UMR INSERM 1052 CNRS 5286, Centre Léon Bérard, 28 rue Laennec, Lyon, France
| | - Lijian Li
- Department of Internal Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander University Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany
- Deutsches Zentrum für Immuntherapie (DZI), Friedrich-Alexander University Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany
- Exploratory Research Unit, Optical Imaging Centre Erlangen (OICE), Friedrich-Alexander University Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Philippa Meiser
- Institute of Molecular Immunology, School of Medicine, Klinikum Rechts der Isar, Technical University of Munich (TUM), Ismaninger Str. 22, Munich, Germany
| | - Anna-Marie Pedde
- Institute of Molecular Immunology, School of Medicine, Klinikum Rechts der Isar, Technical University of Munich (TUM), Ismaninger Str. 22, Munich, Germany
| | - Wilfried Posch
- Institute of Hygiene and Medical Microbiology, Medical University of Innsbruck, Innsbruck, Austria
| | - Luise Rupp
- Institute of Immunology, Faculty of Medicine Carl Gustav Carus, TU Dresden, Dresden, Germany
| | - Andreas Schlitzer
- Quantitative Systems Biology, Life and Medical Sciences (LIMES) Institute, University of Bonn, Germany
| | - Marc Schmitz
- Institute of Immunology, Faculty of Medicine Carl Gustav Carus, TU Dresden, Dresden, Germany
- National Center for Tumor Diseases (NCT), Partner Site Dresden, Dresden, Germany
- German Cancer Consortium (DKTK), Partner Site Dresden, and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Barbara U Schraml
- Walter-Brendel-Centre of Experimental Medicine, University Hospital, LMU Munich, Planegg-Martinsried, Germany
- Biomedical Center, Institute for Cardiovascular Physiology and Pathophysiology, Faculty of Medicine, LMU Munich, Planegg-Martinsried, Germany
| | - Stefan Uderhardt
- Department of Internal Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander University Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany
- Deutsches Zentrum für Immuntherapie (DZI), Friedrich-Alexander University Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany
- Exploratory Research Unit, Optical Imaging Centre Erlangen (OICE), Friedrich-Alexander University Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Jenny Valladeau-Guilemond
- Cancer Research Center Lyon, UMR INSERM 1052 CNRS 5286, Centre Léon Bérard, 28 rue Laennec, Lyon, France
| | - Doris Wilflingseder
- Institute of Hygiene and Medical Microbiology, Medical University of Innsbruck, Innsbruck, Austria
| | - Viktoria Zaderer
- Institute of Hygiene and Medical Microbiology, Medical University of Innsbruck, Innsbruck, Austria
| | - Jan P Böttcher
- Institute of Molecular Immunology, School of Medicine, Klinikum Rechts der Isar, Technical University of Munich (TUM), Ismaninger Str. 22, Munich, Germany
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10
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Hägglöf T, Parthasarathy R, Liendo N, Dudley EA, Leadbetter EA. RIPK1 deficiency prevents thymic NK1.1 expression and subsequent iNKT cell development. Front Immunol 2023; 14:1103591. [PMID: 37965338 PMCID: PMC10642909 DOI: 10.3389/fimmu.2023.1103591] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Accepted: 10/16/2023] [Indexed: 11/16/2023] Open
Abstract
Receptor Interacting Protein Kinase 1 (RIPK1) and caspase-8 (Casp8) jointly orchestrate apoptosis, a key mechanism for eliminating developing T cells which have autoreactive or improperly arranged T cell receptors. Mutations in the scaffolding domain of Ripk1 gene have been identified in humans with autoinflammatory diseases like Cleavage Resistant RIPK1 Induced Autoinflammatory (CRIA) and Inflammatory Bowel Disease. RIPK1 protein also contributes to conventional T cell differentiation and peripheral T cell homeostasis through its scaffolding domain in a cell death independent context. Ripk1 deficient mice do not survive beyond birth, so we have studied the function of this kinase in vivo against a backdrop Ripk3 and Casp8 deficiency which allows the mice to survive to adulthood. These studies reveal a key role for RIPK1 in mediating NK1.1 expression, including on thymic iNKT cells, which is a key requirement for thymic stage 2 to stage 3 transition as well as iNKT cell precursor development. These results are consistent with RIPK1 mediating responses to TcR engagement, which influence NK1.1 expression and iNKT cell thymic development. We also used in vivo and in vitro stimulation assays to confirm a role for both Casp8 and RIPK1 in mediating iNKT cytokine effector responses. Finally, we also noted expanded and hyperactivated iNKT follicular helper (iNKTFH) cells in both DKO (Casp8-, Ripk3- deficient) and TKO mice (Ripk1-, Casp8-, Ripk3- deficient). Thus, while RIPK1 and Casp8 jointly facilitate iNKT effector function, RIPK1 uniquely influenced thymic iNKT cell development most likely by regulating molecular responses to T cell receptor engagement. iNKT developmental and functional aberrances were not evident in mice expressing a kinase-dead version of RIPK1 (RIPK1kd), indicating that the scaffolding function of this protein exerts the critical regulation of iNKT cells. Our findings suggest that small molecule inhibitors of RIPK1 could be used to regulate iNKT cell development and effector function to alleviate autoinflammatory conditions in humans.
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Affiliation(s)
- Thomas Hägglöf
- Department of Microbiology, Immunology & Molecular Genetics, University of Texas Health at San Antonio, San Antonio, TX, United States
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY, United States
| | - Raksha Parthasarathy
- Department of Microbiology, Immunology & Molecular Genetics, University of Texas Health at San Antonio, San Antonio, TX, United States
| | - Nathaniel Liendo
- Department of Microbiology, Immunology & Molecular Genetics, University of Texas Health at San Antonio, San Antonio, TX, United States
- St Mary’s University, San Antonio, TX, United States
| | - Elizabeth A. Dudley
- Department of Microbiology, Immunology & Molecular Genetics, University of Texas Health at San Antonio, San Antonio, TX, United States
| | - Elizabeth A. Leadbetter
- Department of Microbiology, Immunology & Molecular Genetics, University of Texas Health at San Antonio, San Antonio, TX, United States
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11
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Ingle H, Makimaa H, Aggarwal S, Deng H, Foster L, Li Y, Kennedy EA, Peterson ST, Wilen CB, Lee S, Suthar MS, Baldridge MT. IFN-λ derived from nonsusceptible enterocytes acts on tuft cells to limit persistent norovirus. SCIENCE ADVANCES 2023; 9:eadi2562. [PMID: 37703370 PMCID: PMC10499323 DOI: 10.1126/sciadv.adi2562] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 08/10/2023] [Indexed: 09/15/2023]
Abstract
Norovirus is a leading cause of epidemic viral gastroenteritis, with no currently approved vaccines or antivirals. Murine norovirus (MNoV) is a well-characterized model of norovirus pathogenesis in vivo, and persistent strains exhibit lifelong intestinal infection. Interferon-λ (IFN-λ) is a potent antiviral that rapidly cures MNoV. We previously demonstrated that IFN-λ signaling in intestinal epithelial cells (IECs) controls persistent MNoV, and here demonstrate that IFN-λ acts on tuft cells, the exclusive site of MNoV persistence, to limit infection. While interrogating the source of IFN-λ to regulate MNoV, we confirmed that MDA5-MAVS signaling, required for IFN-λ induction to MNoV in vitro, controls persistent MNoV in vivo. We demonstrate that MAVS in IECs and not immune cells controls MNoV. MAVS in nonsusceptible enterocytes, but not in tuft cells, restricts MNoV, implicating noninfected cells as the IFN-λ source. Our findings indicate that host sensing of MNoV is distinct from cellular tropism, suggesting intercellular communication between IECs for antiviral signaling induction in uninfected bystander cells.
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Affiliation(s)
- Harshad Ingle
- Division of Infectious Diseases, Department of Medicine, Edison Family Center for Genome Sciences & Systems Biology, Washington University School of Medicine, St. Louis, MO, USA
| | - Heyde Makimaa
- Division of Infectious Diseases, Department of Medicine, Edison Family Center for Genome Sciences & Systems Biology, Washington University School of Medicine, St. Louis, MO, USA
| | - Somya Aggarwal
- Division of Infectious Diseases, Department of Medicine, Edison Family Center for Genome Sciences & Systems Biology, Washington University School of Medicine, St. Louis, MO, USA
| | - Hongju Deng
- Division of Infectious Diseases, Department of Medicine, Edison Family Center for Genome Sciences & Systems Biology, Washington University School of Medicine, St. Louis, MO, USA
| | - Lynne Foster
- Division of Infectious Diseases, Department of Medicine, Edison Family Center for Genome Sciences & Systems Biology, Washington University School of Medicine, St. Louis, MO, USA
| | - Yuhao Li
- Division of Infectious Diseases, Department of Medicine, Edison Family Center for Genome Sciences & Systems Biology, Washington University School of Medicine, St. Louis, MO, USA
| | - Elizabeth A. Kennedy
- Division of Infectious Diseases, Department of Medicine, Edison Family Center for Genome Sciences & Systems Biology, Washington University School of Medicine, St. Louis, MO, USA
| | - Stefan T. Peterson
- Division of Infectious Diseases, Department of Medicine, Edison Family Center for Genome Sciences & Systems Biology, Washington University School of Medicine, St. Louis, MO, USA
| | - Craig B. Wilen
- Departments of Laboratory Medicine and Immunobiology, Yale School of Medicine, New Haven, CT, USA
| | - Sanghyun Lee
- Division of Biology and Medicine, Department of Molecular Microbiology and Immunology, Brown University, Providence, RI, USA
| | - Mehul S. Suthar
- Department of Pediatrics, Emory School of Medicine, Atlanta, GA, USA
| | - Megan T. Baldridge
- Division of Infectious Diseases, Department of Medicine, Edison Family Center for Genome Sciences & Systems Biology, Washington University School of Medicine, St. Louis, MO, USA
- Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, MO, USA
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12
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Medler TR, Blair TC, Alice AF, Dowdell AK, Piening BD, Crittenden MR, Gough MJ. Myeloid MyD88 restricts CD8 + T cell response to radiation therapy in pancreatic cancer. Sci Rep 2023; 13:8634. [PMID: 37244938 PMCID: PMC10224952 DOI: 10.1038/s41598-023-35834-w] [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: 09/23/2022] [Accepted: 05/24/2023] [Indexed: 05/29/2023] Open
Abstract
Radiation therapy induces immunogenic cell death in cancer cells, whereby released endogenous adjuvants are sensed by immune cells to direct adaptive immune responses. TLRs expressed on several immune subtypes recognize innate adjuvants to direct downstream inflammatory responses in part via the adapter protein MyD88. We generated Myd88 conditional knockout mice to interrogate its contribution to the immune response to radiation therapy in distinct immune populations in pancreatic cancer. Surprisingly, Myd88 deletion in Itgax (CD11c)-expressing dendritic cells had little discernable effects on response to RT in pancreatic cancer and elicited normal T cell responses using a prime/boost vaccination strategy. Myd88 deletion in Lck-expressing T cells resulted in similar or worsened responses to radiation therapy compared to wild-type mice and lacked antigen-specific CD8+ T cell responses from vaccination, similar to observations in Myd88-/- mice. Lyz2-specific loss of Myd88 in myeloid populations rendered tumors more susceptible to radiation therapy and elicited normal CD8+ T cell responses to vaccination. scRNAseq in Lyz2-Cre/Myd88fl/fl mice revealed gene signatures in macrophages and monocytes indicative of enhanced type I and II interferon responses, and improved responses to RT were dependent on CD8+ T cells and IFNAR1. Together, these data implicate MyD88 signaling in myeloid cells as a critical source of immunosuppression that hinders adaptive immune tumor control following radiation therapy.
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Affiliation(s)
- Terry R Medler
- Earle A. Chiles Research Institute, Providence Cancer Institute, Robert W. Franz Cancer Center, Providence Portland Medical Center, 4805 NE Glisan Street, Suite 2N100, Portland, OR, 97213, USA
| | - Tiffany C Blair
- Earle A. Chiles Research Institute, Providence Cancer Institute, Robert W. Franz Cancer Center, Providence Portland Medical Center, 4805 NE Glisan Street, Suite 2N100, Portland, OR, 97213, USA
| | - Alejandro F Alice
- Earle A. Chiles Research Institute, Providence Cancer Institute, Robert W. Franz Cancer Center, Providence Portland Medical Center, 4805 NE Glisan Street, Suite 2N100, Portland, OR, 97213, USA
| | - Alexa K Dowdell
- Earle A. Chiles Research Institute, Providence Cancer Institute, Robert W. Franz Cancer Center, Providence Portland Medical Center, 4805 NE Glisan Street, Suite 2N100, Portland, OR, 97213, USA
| | - Brian D Piening
- Earle A. Chiles Research Institute, Providence Cancer Institute, Robert W. Franz Cancer Center, Providence Portland Medical Center, 4805 NE Glisan Street, Suite 2N100, Portland, OR, 97213, USA
| | - Marka R Crittenden
- Earle A. Chiles Research Institute, Providence Cancer Institute, Robert W. Franz Cancer Center, Providence Portland Medical Center, 4805 NE Glisan Street, Suite 2N100, Portland, OR, 97213, USA
- The Oregon Clinic, Portland, OR, USA
| | - Michael J Gough
- Earle A. Chiles Research Institute, Providence Cancer Institute, Robert W. Franz Cancer Center, Providence Portland Medical Center, 4805 NE Glisan Street, Suite 2N100, Portland, OR, 97213, USA.
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13
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Bourque J, Hawiger D. Activation, Amplification, and Ablation as Dynamic Mechanisms of Dendritic Cell Maturation. BIOLOGY 2023; 12:biology12050716. [PMID: 37237529 DOI: 10.3390/biology12050716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Revised: 05/07/2023] [Accepted: 05/11/2023] [Indexed: 05/28/2023]
Abstract
T cell responses to cognate antigens crucially depend on the specific functionality of dendritic cells (DCs) activated in a process referred to as maturation. Maturation was initially described as alterations of the functional status of DCs in direct response to multiple extrinsic innate signals derived from foreign organisms. More recent studies, conducted mainly in mice, revealed an intricate network of intrinsic signals dependent on cytokines and various immunomodulatory pathways facilitating communication between individual DCs and other cells for the orchestration of specific maturation outcomes. These signals selectively amplify the initial activation of DCs mediated by innate factors and dynamically shape DC functionalities by ablating DCs with specific functions. Here, we discuss the effects of the initial activation of DCs that crucially includes the production of cytokine intermediaries to collectively achieve amplification of the maturation process and further precise sculpting of the functional landscapes among DCs. By emphasizing the interconnectedness of the intracellular and intercellular mechanisms, we reveal activation, amplification, and ablation as the mechanistically integrated components of the DC maturation process.
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Affiliation(s)
- Jessica Bourque
- Department of Molecular Microbiology and Immunology, Saint Louis University School of Medicine, St. Louis, MO 63104, USA
| | - Daniel Hawiger
- Department of Molecular Microbiology and Immunology, Saint Louis University School of Medicine, St. Louis, MO 63104, USA
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14
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Vitale I, Pietrocola F, Guilbaud E, Aaronson SA, Abrams JM, Adam D, Agostini M, Agostinis P, Alnemri ES, Altucci L, Amelio I, Andrews DW, Aqeilan RI, Arama E, Baehrecke EH, Balachandran S, Bano D, Barlev NA, Bartek J, Bazan NG, Becker C, Bernassola F, Bertrand MJM, Bianchi ME, Blagosklonny MV, Blander JM, Blandino G, Blomgren K, Borner C, Bortner CD, Bove P, Boya P, Brenner C, Broz P, Brunner T, Damgaard RB, Calin GA, Campanella M, Candi E, Carbone M, Carmona-Gutierrez D, Cecconi F, Chan FKM, Chen GQ, Chen Q, Chen YH, Cheng EH, Chipuk JE, Cidlowski JA, Ciechanover A, Ciliberto G, Conrad M, Cubillos-Ruiz JR, Czabotar PE, D'Angiolella V, Daugaard M, Dawson TM, Dawson VL, De Maria R, De Strooper B, Debatin KM, Deberardinis RJ, Degterev A, Del Sal G, Deshmukh M, Di Virgilio F, Diederich M, Dixon SJ, Dynlacht BD, El-Deiry WS, Elrod JW, Engeland K, Fimia GM, Galassi C, Ganini C, Garcia-Saez AJ, Garg AD, Garrido C, Gavathiotis E, Gerlic M, Ghosh S, Green DR, Greene LA, Gronemeyer H, Häcker G, Hajnóczky G, Hardwick JM, Haupt Y, He S, Heery DM, Hengartner MO, Hetz C, Hildeman DA, Ichijo H, Inoue S, Jäättelä M, Janic A, Joseph B, Jost PJ, Kanneganti TD, Karin M, Kashkar H, Kaufmann T, Kelly GL, Kepp O, Kimchi A, Kitsis RN, Klionsky DJ, Kluck R, Krysko DV, Kulms D, Kumar S, Lavandero S, Lavrik IN, Lemasters JJ, Liccardi G, Linkermann A, Lipton SA, Lockshin RA, López-Otín C, Luedde T, MacFarlane M, Madeo F, Malorni W, Manic G, Mantovani R, Marchi S, Marine JC, Martin SJ, Martinou JC, Mastroberardino PG, Medema JP, Mehlen P, Meier P, Melino G, Melino S, Miao EA, Moll UM, Muñoz-Pinedo C, Murphy DJ, Niklison-Chirou MV, Novelli F, Núñez G, Oberst A, Ofengeim D, Opferman JT, Oren M, Pagano M, Panaretakis T, Pasparakis M, Penninger JM, Pentimalli F, Pereira DM, Pervaiz S, Peter ME, Pinton P, Porta G, Prehn JHM, Puthalakath H, Rabinovich GA, Rajalingam K, Ravichandran KS, Rehm M, Ricci JE, Rizzuto R, Robinson N, Rodrigues CMP, Rotblat B, Rothlin CV, Rubinsztein DC, Rudel T, Rufini A, Ryan KM, Sarosiek KA, Sawa A, Sayan E, Schroder K, Scorrano L, Sesti F, Shao F, Shi Y, Sica GS, Silke J, Simon HU, Sistigu A, Stephanou A, Stockwell BR, Strapazzon F, Strasser A, Sun L, Sun E, Sun Q, Szabadkai G, Tait SWG, Tang D, Tavernarakis N, Troy CM, Turk B, Urbano N, Vandenabeele P, Vanden Berghe T, Vander Heiden MG, Vanderluit JL, Verkhratsky A, Villunger A, von Karstedt S, Voss AK, Vousden KH, Vucic D, Vuri D, Wagner EF, Walczak H, Wallach D, Wang R, Wang Y, Weber A, Wood W, Yamazaki T, Yang HT, Zakeri Z, Zawacka-Pankau JE, Zhang L, Zhang H, Zhivotovsky B, Zhou W, Piacentini M, Kroemer G, Galluzzi L. Apoptotic cell death in disease-Current understanding of the NCCD 2023. Cell Death Differ 2023; 30:1097-1154. [PMID: 37100955 PMCID: PMC10130819 DOI: 10.1038/s41418-023-01153-w] [Citation(s) in RCA: 94] [Impact Index Per Article: 94.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 03/10/2023] [Accepted: 03/17/2023] [Indexed: 04/28/2023] Open
Abstract
Apoptosis is a form of regulated cell death (RCD) that involves proteases of the caspase family. Pharmacological and genetic strategies that experimentally inhibit or delay apoptosis in mammalian systems have elucidated the key contribution of this process not only to (post-)embryonic development and adult tissue homeostasis, but also to the etiology of multiple human disorders. Consistent with this notion, while defects in the molecular machinery for apoptotic cell death impair organismal development and promote oncogenesis, the unwarranted activation of apoptosis promotes cell loss and tissue damage in the context of various neurological, cardiovascular, renal, hepatic, infectious, neoplastic and inflammatory conditions. Here, the Nomenclature Committee on Cell Death (NCCD) gathered to critically summarize an abundant pre-clinical literature mechanistically linking the core apoptotic apparatus to organismal homeostasis in the context of disease.
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Affiliation(s)
- Ilio Vitale
- IIGM - Italian Institute for Genomic Medicine, c/o IRCSS Candiolo, Torino, Italy.
- Candiolo Cancer Institute, FPO -IRCCS, Candiolo, Italy.
| | - Federico Pietrocola
- Department of Biosciences and Nutrition, Karolinska Institute, Huddinge, Sweden
| | - Emma Guilbaud
- Department of Radiation Oncology, Weill Cornell Medical College, New York, NY, USA
| | - Stuart A Aaronson
- Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York City, NY, USA
| | - John M Abrams
- Department of Cell Biology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Dieter Adam
- Institut für Immunologie, Kiel University, Kiel, Germany
| | - Massimiliano Agostini
- Department of Experimental Medicine, University of Rome Tor Vergata, TOR, Rome, Italy
| | - Patrizia Agostinis
- Department of Cellular and Molecular Medicine, KU Leuven, Leuven, Belgium
- VIB Center for Cancer Biology, Leuven, Belgium
| | - Emad S Alnemri
- Department of Biochemistry and Molecular Biology, Thomas Jefferson University, Philadelphia, PA, USA
| | - Lucia Altucci
- Department of Precision Medicine, University of Campania Luigi Vanvitelli, Naples, Italy
- BIOGEM, Avellino, Italy
| | - Ivano Amelio
- Division of Systems Toxicology, Department of Biology, University of Konstanz, Konstanz, Germany
| | - David W Andrews
- Sunnybrook Research Institute, Toronto, ON, Canada
- Departments of Biochemistry and Medical Biophysics, University of Toronto, Toronto, ON, Canada
| | - Rami I Aqeilan
- Hebrew University of Jerusalem, Lautenberg Center for Immunology & Cancer Research, Institute for Medical Research Israel-Canada (IMRIC), Faculty of Medicine, Jerusalem, Israel
| | - Eli Arama
- Department of Molecular Genetics, Weizmann Institute of Science, Rehovot, Israel
| | - Eric H Baehrecke
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, USA
| | - Siddharth Balachandran
- Blood Cell Development and Function Program, Fox Chase Cancer Center, Philadelphia, PA, USA
| | - Daniele Bano
- Deutsches Zentrum für Neurodegenerative Erkrankungen (DZNE), Bonn, Germany
| | - Nickolai A Barlev
- Department of Biomedicine, Nazarbayev University School of Medicine, Astana, Kazakhstan
| | - Jiri Bartek
- Department of Medical Biochemistry and Biophysics, Science for Life Laboratory, Karolinska Institute, Stockholm, Sweden
- Danish Cancer Society Research Center, Copenhagen, Denmark
| | - Nicolas G Bazan
- Neuroscience Center of Excellence, School of Medicine, Louisiana State University Health New Orleans, New Orleans, LA, USA
| | - Christoph Becker
- Department of Medicine 1, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany
| | - Francesca Bernassola
- Department of Experimental Medicine, University of Rome Tor Vergata, TOR, Rome, Italy
| | - Mathieu J M Bertrand
- VIB-UGent Center for Inflammation Research, Ghent, Belgium
- Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium
| | - Marco E Bianchi
- Università Vita-Salute San Raffaele, School of Medicine, Milan, Italy and Ospedale San Raffaele IRCSS, Milan, Italy
| | | | - J Magarian Blander
- Department of Medicine, Jill Roberts Institute for Research in Inflammatory Bowel Disease, Weill Cornell Medicine, New York, NY, USA
- Department of Microbiology and Immunology, Weill Cornell Medicine, New York, NY, USA
- Sandra and Edward Meyer Cancer Center, New York, NY, USA
| | | | - Klas Blomgren
- Department of Women's and Children's Health, Karolinska Institute, Stockholm, Sweden
- Pediatric Hematology and Oncology, Karolinska University Hospital, Stockholm, Sweden
| | - Christoph Borner
- Institute of Molecular Medicine and Cell Research, Medical Faculty, Albert Ludwigs University of Freiburg, Freiburg, Germany
| | - Carl D Bortner
- Signal Transduction Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, Research Triangle Park, Durham, NC, USA
| | - Pierluigi Bove
- Department of Experimental Medicine, University of Rome Tor Vergata, TOR, Rome, Italy
| | - Patricia Boya
- Centro de Investigaciones Biologicas Margarita Salas, CSIC, Madrid, Spain
| | - Catherine Brenner
- Université Paris-Saclay, CNRS, Institut Gustave Roussy, Aspects métaboliques et systémiques de l'oncogénèse pour de nouvelles approches thérapeutiques, Villejuif, France
| | - Petr Broz
- Department of Immunobiology, University of Lausanne, Epalinges, Vaud, Switzerland
| | - Thomas Brunner
- Department of Biology, University of Konstanz, Konstanz, Germany
| | - Rune Busk Damgaard
- Department of Biotechnology and Biomedicine, Technical University of Denmark, Kongens Lyngby, Denmark
| | - George A Calin
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Center for RNA Interference and Non-Coding RNAs, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Michelangelo Campanella
- Department of Comparative Biomedical Sciences, The Royal Veterinary College, University of London, London, UK
- UCL Consortium for Mitochondrial Research, London, UK
- Department of Biology, University of Rome Tor Vergata, Rome, Italy
| | - Eleonora Candi
- Department of Experimental Medicine, University of Rome Tor Vergata, TOR, Rome, Italy
| | - Michele Carbone
- Thoracic Oncology, University of Hawaii Cancer Center, Honolulu, HI, USA
| | | | - Francesco Cecconi
- Cell Stress and Survival Unit, Center for Autophagy, Recycling and Disease (CARD), Danish Cancer Society Research Center, Copenhagen, Denmark
- Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
- Università Cattolica del Sacro Cuore, Rome, Italy
| | - Francis K-M Chan
- Department of Immunology, Duke University School of Medicine, Durham, NC, USA
| | - Guo-Qiang Chen
- State Key Lab of Oncogene and its related gene, Ren-Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Quan Chen
- College of Life Sciences, Nankai University, Tianjin, China
| | - Youhai H Chen
- Shenzhen Institute of Advanced Technology (SIAT), Shenzhen, Guangdong, China
| | - Emily H Cheng
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Jerry E Chipuk
- Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - John A Cidlowski
- Signal Transduction Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, Research Triangle Park, Durham, NC, USA
| | - Aaron Ciechanover
- The Technion-Integrated Cancer Center, The Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel
| | | | - Marcus Conrad
- Helmholtz Munich, Institute of Metabolism and Cell Death, Neuherberg, Germany
| | - Juan R Cubillos-Ruiz
- Department of Obstetrics and Gynecology, Weill Cornell Medical College, New York, NY, USA
| | - Peter E Czabotar
- The Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia
- Department of Medical Biology, The University of Melbourne, Melbourne, Victoria, Australia
| | | | - Mads Daugaard
- Department of Urologic Sciences, Vancouver Prostate Centre, Vancouver, BC, Canada
| | - Ted M Dawson
- Institute for Cell Engineering and the Departments of Neurology, Neuroscience and Pharmacology & Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Valina L Dawson
- Institute for Cell Engineering and the Departments of Neurology, Neuroscience and Pharmacology & Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Ruggero De Maria
- Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
- Università Cattolica del Sacro Cuore, Rome, Italy
| | - Bart De Strooper
- VIB Centre for Brain & Disease Research, Leuven, Belgium
- Department of Neurosciences, Leuven Brain Institute, KU Leuven, Leuven, Belgium
- The Francis Crick Institute, London, UK
- UK Dementia Research Institute at UCL, University College London, London, UK
| | - Klaus-Michael Debatin
- Department of Pediatrics and Adolescent Medicine, Ulm University Medical Center, Ulm, Germany
| | - Ralph J Deberardinis
- Howard Hughes Medical Institute and Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Alexei Degterev
- Department of Developmental, Molecular and Chemical Biology, Tufts University School of Medicine, Boston, MA, USA
| | - Giannino Del Sal
- Department of Life Sciences, University of Trieste, Trieste, Italy
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Area Science Park-Padriciano, Trieste, Italy
- IFOM ETS, the AIRC Institute of Molecular Oncology, Milan, Italy
| | - Mohanish Deshmukh
- Department of Cell Biology and Physiology, University of North Carolina, Chapel Hill, NC, USA
| | | | - Marc Diederich
- College of Pharmacy, Seoul National University, Seoul, South Korea
| | - Scott J Dixon
- Department of Biology, Stanford University, Stanford, CA, USA
| | - Brian D Dynlacht
- Department of Pathology, New York University Cancer Institute, New York University School of Medicine, New York, NY, USA
| | - Wafik S El-Deiry
- Division of Hematology/Oncology, Brown University and the Lifespan Cancer Institute, Providence, RI, USA
- Legorreta Cancer Center at Brown University, The Warren Alpert Medical School, Brown University, Providence, RI, USA
- Department of Pathology and Laboratory Medicine, The Warren Alpert Medical School, Brown University, Providence, RI, USA
| | - John W Elrod
- Cardiovascular Research Center, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, USA
| | - Kurt Engeland
- Molecular Oncology, University of Leipzig, Leipzig, Germany
| | - Gian Maria Fimia
- Department of Epidemiology, Preclinical Research and Advanced Diagnostics, National Institute for Infectious Diseases 'L. Spallanzani' IRCCS, Rome, Italy
- Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy
| | - Claudia Galassi
- Department of Radiation Oncology, Weill Cornell Medical College, New York, NY, USA
| | - Carlo Ganini
- Department of Experimental Medicine, University of Rome Tor Vergata, TOR, Rome, Italy
- Biochemistry Laboratory, Dermopatic Institute of Immaculate (IDI) IRCCS, Rome, Italy
| | - Ana J Garcia-Saez
- CECAD, Institute of Genetics, University of Cologne, Cologne, Germany
| | - Abhishek D Garg
- Department of Cellular and Molecular Medicine, KU Leuven, Leuven, Belgium
| | - Carmen Garrido
- INSERM, UMR, 1231, Dijon, France
- Faculty of Medicine, Université de Bourgogne Franche-Comté, Dijon, France
- Anti-cancer Center Georges-François Leclerc, Dijon, France
| | - Evripidis Gavathiotis
- Department of Biochemistry, Albert Einstein College of Medicine, New York, NY, USA
- Department of Medicine, Albert Einstein College of Medicine, New York, NY, USA
- Albert Einstein Cancer Center, Albert Einstein College of Medicine, New York, NY, USA
- Institute for Aging Research, Albert Einstein College of Medicine, New York, NY, USA
- Wilf Family Cardiovascular Research Institute, Albert Einstein College of Medicine, New York, NY, USA
| | - Motti Gerlic
- Department of Clinical Microbiology and Immunology, Sackler school of Medicine, Tel Aviv university, Tel Aviv, Israel
| | - Sourav Ghosh
- Department of Neurology and Department of Pharmacology, Yale School of Medicine, New Haven, CT, USA
| | - Douglas R Green
- Department of Immunology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Lloyd A Greene
- Department of Pathology and Cell Biology, Columbia University, New York, NY, USA
| | - Hinrich Gronemeyer
- Department of Functional Genomics and Cancer, Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), Illkirch, France
- Centre National de la Recherche Scientifique, UMR7104, Illkirch, France
- Institut National de la Santé et de la Recherche Médicale, U1258, Illkirch, France
- Université de Strasbourg, Illkirch, France
| | - Georg Häcker
- Faculty of Medicine, Institute of Medical Microbiology and Hygiene, Medical Center, University of Freiburg, Freiburg, Germany
- BIOSS Centre for Biological Signalling Studies, University of Freiburg, Freiburg, Germany
| | - György Hajnóczky
- MitoCare Center, Department of Pathology, Anatomy and Cell Biology, Thomas Jefferson University, Philadelphia, PA, USA
| | - J Marie Hardwick
- Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
- Departments of Molecular Microbiology and Immunology, Pharmacology, Oncology and Neurology, Johns Hopkins Bloomberg School of Public Health and School of Medicine, Baltimore, MD, USA
| | - Ygal Haupt
- VITTAIL Ltd, Melbourne, VIC, Australia
- Peter MacCallum Cancer Centre, Melbourne, VIC, Australia
| | - Sudan He
- Institute of Systems Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
- Suzhou Institute of Systems Medicine, Suzhou, Jiangsu, China
| | - David M Heery
- School of Pharmacy, University of Nottingham, Nottingham, UK
| | | | - Claudio Hetz
- Biomedical Neuroscience Institute, Faculty of Medicine, University of Chile, Santiago, Chile
- Center for Geroscience, Brain Health and Metabolism, Santiago, Chile
- Center for Molecular Studies of the Cell, Program of Cellular and Molecular Biology, Institute of Biomedical Sciences, University of Chile, Santiago, Chile
- Buck Institute for Research on Aging, Novato, CA, USA
| | - David A Hildeman
- Division of Immunobiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Hidenori Ichijo
- Laboratory of Cell Signaling, The University of Tokyo, Tokyo, Japan
| | - Satoshi Inoue
- National Cancer Center Research Institute, Tokyo, Japan
| | - Marja Jäättelä
- Cell Death and Metabolism, Center for Autophagy, Recycling and Disease, Danish Cancer Society Research Center, Copenhagen, Denmark
- Department of Cellular and Molecular Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Ana Janic
- Department of Medicine and Life Sciences, Pompeu Fabra University, Barcelona, Spain
| | - Bertrand Joseph
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Philipp J Jost
- Clinical Division of Oncology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | | | - Michael Karin
- Departments of Pharmacology and Pathology, School of Medicine, University of California San Diego, San Diego, CA, USA
| | - Hamid Kashkar
- CECAD Research Center, Institute for Molecular Immunology, University of Cologne, Cologne, Germany
| | - Thomas Kaufmann
- Institute of Pharmacology, University of Bern, Bern, Switzerland
| | - Gemma L Kelly
- The Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia
- Department of Medical Biology, The University of Melbourne, Melbourne, Victoria, Australia
| | - Oliver Kepp
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Center, Université Paris Saclay, Villejuif, France
- Centre de Recherche des Cordeliers, Equipe labellisée par la Ligue contre le cancer, Université de Paris, Sorbonne Université, Inserm U1138, Institut Universitaire de France, Paris, France
| | - Adi Kimchi
- Department of Molecular Genetics, Weizmann Institute of Science, Rehovot, Israel
| | - Richard N Kitsis
- Department of Biochemistry, Albert Einstein College of Medicine, New York, NY, USA
- Department of Medicine, Albert Einstein College of Medicine, New York, NY, USA
- Albert Einstein Cancer Center, Albert Einstein College of Medicine, New York, NY, USA
- Institute for Aging Research, Albert Einstein College of Medicine, New York, NY, USA
- Department of Cell Biology, Albert Einstein College of Medicine, New York, NY, USA
- Einstein-Mount Sinai Diabetes Research Center, Albert Einstein College of Medicine, New York, NY, USA
| | | | - Ruth Kluck
- The Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia
- Department of Medical Biology, The University of Melbourne, Melbourne, Victoria, Australia
| | - Dmitri V Krysko
- Cell Death Investigation and Therapy Lab, Department of Human Structure and Repair, Ghent University, Ghent, Belgium
- Cancer Research Institute Ghent (CRIG), Ghent, Belgium
| | - Dagmar Kulms
- Department of Dermatology, Experimental Dermatology, TU-Dresden, Dresden, Germany
- National Center for Tumor Diseases Dresden, TU-Dresden, Dresden, Germany
| | - Sharad Kumar
- Centre for Cancer Biology, University of South Australia, Adelaide, SA, Australia
- Faculty of Health and Medical Sciences, The University of Adelaide, Adelaide, SA, Australia
| | - Sergio Lavandero
- Universidad de Chile, Facultad Ciencias Quimicas y Farmaceuticas & Facultad Medicina, Advanced Center for Chronic Diseases (ACCDiS), Santiago, Chile
- Department of Internal Medicine, Cardiology Division, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Inna N Lavrik
- Translational Inflammation Research, Medical Faculty, Otto von Guericke University, Magdeburg, Germany
| | - John J Lemasters
- Departments of Drug Discovery & Biomedical Sciences and Biochemistry & Molecular Biology, Medical University of South Carolina, Charleston, SC, USA
| | - Gianmaria Liccardi
- Center for Biochemistry, Medical Faculty, University of Cologne, Cologne, Germany
| | - Andreas Linkermann
- Division of Nephrology, Department of Internal Medicine 3, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
- Biotechnology Center, Technische Universität Dresden, Dresden, Germany
| | - Stuart A Lipton
- Neurodegeneration New Medicines Center and Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA, USA
- Department of Neurosciences, University of California, San Diego, School of Medicine, La Jolla, CA, USA
- Department of Neurology, Yale School of Medicine, New Haven, CT, USA
| | - Richard A Lockshin
- Department of Biology, Queens College of the City University of New York, Flushing, NY, USA
- St. John's University, Jamaica, NY, USA
| | - Carlos López-Otín
- Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Instituto Universitario de Oncología (IUOPA), Universidad de Oviedo, Oviedo, Spain
| | - Tom Luedde
- Department of Gastroenterology, Hepatology and Infectious Diseases, University Hospital Duesseldorf, Heinrich Heine University, Duesseldorf, Germany
| | - Marion MacFarlane
- Medical Research Council Toxicology Unit, University of Cambridge, Cambridge, UK
| | - Frank Madeo
- Institute of Molecular Biosciences, NAWI Graz, University of Graz, Graz, Austria
- BioTechMed Graz, Graz, Austria
- Field of Excellence BioHealth - University of Graz, Graz, Austria
| | - Walter Malorni
- Center for Global Health, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Gwenola Manic
- IIGM - Italian Institute for Genomic Medicine, c/o IRCSS Candiolo, Torino, Italy
- Candiolo Cancer Institute, FPO -IRCCS, Candiolo, Italy
| | - Roberto Mantovani
- Dipartimento di Bioscienze, Università degli Studi di Milano, Milano, Italy
| | - Saverio Marchi
- Department of Clinical and Molecular Sciences, Marche Polytechnic University, Ancona, Italy
| | - Jean-Christophe Marine
- VIB Center for Cancer Biology, Leuven, Belgium
- Department of Oncology, KU Leuven, Leuven, Belgium
| | | | - Jean-Claude Martinou
- Department of Cell Biology, Faculty of Sciences, University of Geneva, Geneva, Switzerland
| | - Pier G Mastroberardino
- Department of Molecular Genetics, Rotterdam, the Netherlands
- IFOM-ETS The AIRC Institute for Molecular Oncology, Milan, Italy
- Department of Life, Health, and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
| | - Jan Paul Medema
- Laboratory for Experimental Oncology and Radiobiology, Center for Experimental and Molecular Medicine, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
- Oncode Institute, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Patrick Mehlen
- Apoptosis, Cancer, and Development Laboratory, Equipe labellisée 'La Ligue', LabEx DEVweCAN, Centre de Recherche en Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Centre Léon Bérard, Université de Lyon, Université Claude Bernard Lyon1, Lyon, France
| | - Pascal Meier
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, UK
| | - Gerry Melino
- Department of Experimental Medicine, University of Rome Tor Vergata, TOR, Rome, Italy
| | - Sonia Melino
- Department of Chemical Science and Technologies, University of Rome Tor Vergata, Rome, Italy
| | - Edward A Miao
- Department of Immunology, Duke University School of Medicine, Durham, NC, USA
| | - Ute M Moll
- Department of Pathology and Stony Brook Cancer Center, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, USA
| | - Cristina Muñoz-Pinedo
- Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), L'Hospitalet de Llobregat, Spain
| | - Daniel J Murphy
- School of Cancer Sciences, University of Glasgow, Glasgow, UK
- Cancer Research UK Beatson Institute, Glasgow, UK
| | | | - Flavia Novelli
- Thoracic Oncology, University of Hawaii Cancer Center, Honolulu, HI, USA
| | - Gabriel Núñez
- Department of Pathology and Rogel Cancer Center, The University of Michigan, Ann Arbor, MI, USA
| | - Andrew Oberst
- Department of Immunology, University of Washington, Seattle, WA, USA
| | - Dimitry Ofengeim
- Rare and Neuroscience Therapeutic Area, Sanofi, Cambridge, MA, USA
| | - Joseph T Opferman
- Department of Cell and Molecular Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Moshe Oren
- Department of Molecular Cell Biology, The Weizmann Institute, Rehovot, Israel
| | - Michele Pagano
- Department of Biochemistry and Molecular Pharmacology, New York University Grossman School of Medicine and Howard Hughes Medical Institute, New York, NY, USA
| | - Theocharis Panaretakis
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
- Department of GU Medical Oncology, MD Anderson Cancer Center, Houston, TX, USA
| | | | - Josef M Penninger
- IMBA, Institute of Molecular Biotechnology of the Austrian Academy of Sciences, Vienna, Austria
- Department of Medical Genetics, Life Sciences Institute, University of British Columbia, Vancouver, Canada
| | | | - David M Pereira
- REQUIMTE/LAQV, Laboratório de Farmacognosia, Departamento de Química, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal
| | - Shazib Pervaiz
- Department of Physiology, YLL School of Medicine, National University of Singapore, Singapore, Singapore
- NUS Centre for Cancer Research (N2CR), National University of Singapore, Singapore, Singapore
- National University Cancer Institute, NUHS, Singapore, Singapore
- ISEP, NUS Graduate School, National University of Singapore, Singapore, Singapore
| | - Marcus E Peter
- Department of Medicine, Division Hematology/Oncology, Northwestern University, Chicago, IL, USA
| | - Paolo Pinton
- Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Giovanni Porta
- Center of Genomic Medicine, Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | - Jochen H M Prehn
- Department of Physiology and Medical Physics, Royal College of Surgeons in Ireland (RCSI) University of Medicine and Health Sciences, Dublin 2, Ireland
| | - Hamsa Puthalakath
- Department of Biochemistry and Chemistry, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, VIC, Australia
| | - Gabriel A Rabinovich
- Laboratorio de Glicomedicina. Instituto de Biología y Medicina Experimental (IBYME), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | | | - Kodi S Ravichandran
- VIB-UGent Center for Inflammation Research, Ghent, Belgium
- Division of Immunobiology, Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, USA
- Center for Cell Clearance, Department of Microbiology, Immunology, and Cancer Biology, University of Virginia, Charlottesville, VA, USA
| | - Markus Rehm
- Institute of Cell Biology and Immunology, University of Stuttgart, Stuttgart, Germany
| | - Jean-Ehrland Ricci
- Université Côte d'Azur, INSERM, C3M, Equipe labellisée Ligue Contre le Cancer, Nice, France
| | - Rosario Rizzuto
- Department of Biomedical Sciences, University of Padua, Padua, Italy
| | - Nirmal Robinson
- Centre for Cancer Biology, University of South Australia, Adelaide, SA, Australia
| | - Cecilia M P Rodrigues
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
| | - Barak Rotblat
- Department of Life sciences, Ben Gurion University of the Negev, Beer Sheva, Israel
- The NIBN, Beer Sheva, Israel
| | - Carla V Rothlin
- Department of Immunobiology and Department of Pharmacology, Yale School of Medicine, New Haven, CT, USA
| | - David C Rubinsztein
- Department of Medical Genetics, Cambridge Institute for Medical Research, Cambridge, UK
- UK Dementia Research Institute, University of Cambridge, Cambridge Institute for Medical Research, Cambridge, UK
| | - Thomas Rudel
- Microbiology Biocentre, University of Würzburg, Würzburg, Germany
| | - Alessandro Rufini
- Dipartimento di Bioscienze, Università degli Studi di Milano, Milano, Italy
- University of Leicester, Leicester Cancer Research Centre, Leicester, UK
| | - Kevin M Ryan
- School of Cancer Sciences, University of Glasgow, Glasgow, UK
- Cancer Research UK Beatson Institute, Glasgow, UK
| | - Kristopher A Sarosiek
- John B. Little Center for Radiation Sciences, Harvard School of Public Health, Boston, MA, USA
- Department of Systems Biology, Lab of Systems Pharmacology, Harvard Program in Therapeutics Science, Harvard Medical School, Boston, MA, USA
- Department of Environmental Health, Molecular and Integrative Physiological Sciences Program, Harvard School of Public Health, Boston, MA, USA
| | - Akira Sawa
- Johns Hopkins Schizophrenia Center, Johns Hopkins University, Baltimore, MD, USA
| | - Emre Sayan
- Faculty of Medicine, Cancer Sciences Unit, University of Southampton, Southampton, UK
| | - Kate Schroder
- Institute for Molecular Bioscience, The University of Queensland, St Lucia, QLD, Australia
| | - Luca Scorrano
- Department of Biology, University of Padua, Padua, Italy
- Veneto Institute of Molecular Medicine, Padua, Italy
| | - Federico Sesti
- Department of Neuroscience and Cell Biology, Robert Wood Johnson Medical School, Rutgers University, NJ, USA
| | - Feng Shao
- National Institute of Biological Sciences, Beijing, PR China
| | - Yufang Shi
- Department of Experimental Medicine, University of Rome Tor Vergata, TOR, Rome, Italy
- The Third Affiliated Hospital of Soochow University and State Key Laboratory of Radiation Medicine and Protection, Institutes for Translational Medicine, Soochow University, Suzhou, Jiangsu, China
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences, Shanghai, China
| | - Giuseppe S Sica
- Department of Surgical Science, University Tor Vergata, Rome, Italy
| | - John Silke
- The Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia
- Department of Medical Biology, The University of Melbourne, Melbourne, Victoria, Australia
| | - Hans-Uwe Simon
- Institute of Pharmacology, University of Bern, Bern, Switzerland
- Institute of Biochemistry, Brandenburg Medical School, Neuruppin, Germany
| | - Antonella Sistigu
- Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Rome, Italy
| | | | - Brent R Stockwell
- Department of Biological Sciences and Department of Chemistry, Columbia University, New York, NY, USA
| | - Flavie Strapazzon
- IRCCS Fondazione Santa Lucia, Rome, Italy
- Univ Lyon, Univ Lyon 1, Physiopathologie et Génétique du Neurone et du Muscle, UMR5261, U1315, Institut NeuroMyogène CNRS, INSERM, Lyon, France
| | - Andreas Strasser
- The Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia
- Department of Medical Biology, The University of Melbourne, Melbourne, Victoria, Australia
| | - Liming Sun
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Shanghai, China
| | - Erwei Sun
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
| | - Qiang Sun
- Laboratory of Cell Engineering, Institute of Biotechnology, Beijing, China
- Research Unit of Cell Death Mechanism, 2021RU008, Chinese Academy of Medical Science, Beijing, China
| | - Gyorgy Szabadkai
- Department of Biomedical Sciences, University of Padua, Padua, Italy
- Department of Cell and Developmental Biology, Consortium for Mitochondrial Research, University College London, London, UK
| | - Stephen W G Tait
- School of Cancer Sciences, University of Glasgow, Glasgow, UK
- Cancer Research UK Beatson Institute, Glasgow, UK
| | - Daolin Tang
- Department of Surgery, The University of Texas Southwestern Medical Center, Dallas, TX, 75390, USA
| | - Nektarios Tavernarakis
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, Heraklion, Crete, Greece
- Department of Basic Sciences, School of Medicine, University of Crete, Heraklion, Crete, Greece
| | - Carol M Troy
- Departments of Pathology & Cell Biology and Neurology, Taub Institute for Research on Alzheimer's Disease and the Aging Brain, Columbia University Irving Medical Center, New York, NY, USA
| | - Boris Turk
- Department of Biochemistry and Molecular and Structural Biology, J. Stefan Institute, Ljubljana, Slovenia
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Ljubljana, Slovenia
| | - Nicoletta Urbano
- Department of Oncohaematology, University of Rome Tor Vergata, TOR, Rome, Italy
| | - Peter Vandenabeele
- VIB-UGent Center for Inflammation Research, Ghent, Belgium
- Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium
- Methusalem Program, Ghent University, Ghent, Belgium
| | - Tom Vanden Berghe
- VIB-UGent Center for Inflammation Research, Ghent, Belgium
- Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium
- Infla-Med Centre of Excellence, Department of Biomedical Sciences, University of Antwerp, Antwerp, Belgium
| | - Matthew G Vander Heiden
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA
- Department of Biology, Massachusetts Institute of Technology, Cambridge, MA, USA
- Dana-Farber Cancer Institute, Boston, MA, USA
| | | | - Alexei Verkhratsky
- Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK
- Achucarro Center for Neuroscience, IKERBASQUE, Bilbao, Spain
- School of Forensic Medicine, China Medical University, Shenyang, China
- State Research Institute Centre for Innovative Medicine, Vilnius, Lithuania
| | - Andreas Villunger
- Institute for Developmental Immunology, Biocenter, Medical University of Innsbruck, Innsbruck, Austria
- The Research Center for Molecular Medicine (CeMM) of the Austrian Academy of Sciences (OeAW), Vienna, Austria
- The Ludwig Boltzmann Institute for Rare and Undiagnosed Diseases (LBI-RUD), Vienna, Austria
| | - Silvia von Karstedt
- Department of Translational Genomics, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
- CECAD Cluster of Excellence, University of Cologne, Cologne, Germany
- Center for Molecular Medicine Cologne (CMMC), Faculty of Medicine and University Hospital Cologne, Cologne, Germany
| | - Anne K Voss
- The Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia
- Department of Medical Biology, The University of Melbourne, Melbourne, Victoria, Australia
| | | | - Domagoj Vucic
- Department of Early Discovery Biochemistry, Genentech, South San Francisco, CA, USA
| | - Daniela Vuri
- Department of Experimental Medicine, University of Rome Tor Vergata, TOR, Rome, Italy
| | - Erwin F Wagner
- Department of Laboratory Medicine, Medical University of Vienna, Vienna, Austria
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - Henning Walczak
- Center for Biochemistry, Medical Faculty, University of Cologne, Cologne, Germany
- CECAD Cluster of Excellence, University of Cologne, Cologne, Germany
- Centre for Cell Death, Cancer and Inflammation, UCL Cancer Institute, University College London, London, UK
| | - David Wallach
- Department of Biomolecular Sciences, The Weizmann Institute of Science, Rehovot, Israel
| | - Ruoning Wang
- Center for Childhood Cancer and Blood Diseases, Abigail Wexner Research Institute at Nationwide Children's Hospital, The Ohio State University, Columbus, OH, USA
| | - Ying Wang
- Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences, Shanghai, China
| | - Achim Weber
- University of Zurich and University Hospital Zurich, Department of Pathology and Molecular Pathology, Zurich, Switzerland
- University of Zurich, Institute of Molecular Cancer Research, Zurich, Switzerland
| | - Will Wood
- Centre for Inflammation Research, Queen's Medical Research Institute, University of Edinburgh, Edinburgh, UK
| | - Takahiro Yamazaki
- Department of Radiation Oncology, Weill Cornell Medical College, New York, NY, USA
| | - Huang-Tian Yang
- Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences, Shanghai, China
| | - Zahra Zakeri
- Queens College and Graduate Center, City University of New York, Flushing, NY, USA
| | - Joanna E Zawacka-Pankau
- Department of Medicine Huddinge, Karolinska Institute, Stockholm, Sweden
- Department of Biochemistry, Laboratory of Biophysics and p53 protein biology, Medical University of Warsaw, Warsaw, Poland
| | - Lin Zhang
- Department of Pharmacology & Chemical Biology, UPMC Hillman Cancer Center, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Haibing Zhang
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences, Shanghai, China
| | - Boris Zhivotovsky
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
- Faculty of Medicine, Lomonosov Moscow State University, Moscow, Russia
| | - Wenzhao Zhou
- Laboratory of Cell Engineering, Institute of Biotechnology, Beijing, China
- Research Unit of Cell Death Mechanism, 2021RU008, Chinese Academy of Medical Science, Beijing, China
| | - Mauro Piacentini
- Department of Biology, University of Rome Tor Vergata, Rome, Italy
- National Institute for Infectious Diseases IRCCS "Lazzaro Spallanzani", Rome, Italy
| | - Guido Kroemer
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Center, Université Paris Saclay, Villejuif, France
- Centre de Recherche des Cordeliers, Equipe labellisée par la Ligue contre le cancer, Université de Paris, Sorbonne Université, Inserm U1138, Institut Universitaire de France, Paris, France
- Institut du Cancer Paris CARPEM, Department of Biology, Hôpital Européen Georges Pompidou, AP-HP, Paris, France
| | - Lorenzo Galluzzi
- Department of Radiation Oncology, Weill Cornell Medical College, New York, NY, USA.
- Sandra and Edward Meyer Cancer Center, New York, NY, USA.
- Caryl and Israel Englander Institute for Precision Medicine, New York, NY, USA.
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Costa F, Beltrami E, Mellone S, Sacchetti S, Boggio E, Gigliotti CL, Stoppa I, Dianzani U, Rolla R, Giordano M. Genes and Microbiota Interaction in Monogenic Autoimmune Disorders. Biomedicines 2023; 11:1127. [PMID: 37189745 PMCID: PMC10135656 DOI: 10.3390/biomedicines11041127] [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: 03/10/2023] [Revised: 03/30/2023] [Accepted: 04/05/2023] [Indexed: 05/17/2023] Open
Abstract
Monogenic autoimmune disorders represent an important tool to understand the mechanisms behind central and peripheral immune tolerance. Multiple factors, both genetic and environmental, are known to be involved in the alteration of the immune activation/immune tolerance homeostasis typical of these disorders, making it difficult to control the disease. The latest advances in genetic analysis have contributed to a better and more rapid diagnosis, although the management remains confined to the treatment of clinical manifestations, as there are limited studies on rare diseases. Recently, the correlation between microbiota composition and the onset of autoimmune disorders has been investigated, thus opening up new perspectives on the cure of monogenic autoimmune diseases. In this review, we will summarize the main genetic features of both organ-specific and systemic monogenic autoimmune diseases, reporting on the available literature data on microbiota alterations in these patients.
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Affiliation(s)
- Federica Costa
- Department of Health Sciences, Università del Piemonte Orientale, 28100 Novara, Italy; (F.C.); (S.S.); (E.B.); (C.L.G.); (I.S.); (R.R.); (M.G.)
| | - Eleonora Beltrami
- Maggiore della Carità University Hospital, 28100 Novara, Italy; (E.B.); (S.M.)
| | - Simona Mellone
- Maggiore della Carità University Hospital, 28100 Novara, Italy; (E.B.); (S.M.)
| | - Sara Sacchetti
- Department of Health Sciences, Università del Piemonte Orientale, 28100 Novara, Italy; (F.C.); (S.S.); (E.B.); (C.L.G.); (I.S.); (R.R.); (M.G.)
| | - Elena Boggio
- Department of Health Sciences, Università del Piemonte Orientale, 28100 Novara, Italy; (F.C.); (S.S.); (E.B.); (C.L.G.); (I.S.); (R.R.); (M.G.)
| | - Casimiro Luca Gigliotti
- Department of Health Sciences, Università del Piemonte Orientale, 28100 Novara, Italy; (F.C.); (S.S.); (E.B.); (C.L.G.); (I.S.); (R.R.); (M.G.)
| | - Ian Stoppa
- Department of Health Sciences, Università del Piemonte Orientale, 28100 Novara, Italy; (F.C.); (S.S.); (E.B.); (C.L.G.); (I.S.); (R.R.); (M.G.)
| | - Umberto Dianzani
- Department of Health Sciences, Università del Piemonte Orientale, 28100 Novara, Italy; (F.C.); (S.S.); (E.B.); (C.L.G.); (I.S.); (R.R.); (M.G.)
- Maggiore della Carità University Hospital, 28100 Novara, Italy; (E.B.); (S.M.)
| | - Roberta Rolla
- Department of Health Sciences, Università del Piemonte Orientale, 28100 Novara, Italy; (F.C.); (S.S.); (E.B.); (C.L.G.); (I.S.); (R.R.); (M.G.)
- Maggiore della Carità University Hospital, 28100 Novara, Italy; (E.B.); (S.M.)
| | - Mara Giordano
- Department of Health Sciences, Università del Piemonte Orientale, 28100 Novara, Italy; (F.C.); (S.S.); (E.B.); (C.L.G.); (I.S.); (R.R.); (M.G.)
- Maggiore della Carità University Hospital, 28100 Novara, Italy; (E.B.); (S.M.)
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16
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Wang YT, Sansone A, Smirnov A, Stallings CL, Orvedahl A. Myeloid autophagy genes protect mice against fatal TNF- and LPS-induced cytokine storm syndromes. Autophagy 2023; 19:1114-1127. [PMID: 36056542 PMCID: PMC10012903 DOI: 10.1080/15548627.2022.2116675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023] Open
Abstract
ABBREVIATIONS ATG5: autophagy related 5; ATG7: autophagy related 7; ATG14: autophagy related 14; ATG16L1: autophagy related 16-like 1 (S. cerevisiae); BECN1: beclin 1, autophagy related; CASP1: caspase 1; CASP4/CASP11: caspase 4, apoptosis-related cysteine peptidase; CIM: conditionally immortalized macrophage; CLP: cecal ligation and puncture; CSS: cytokine storm syndrome; DC: dendritic cell; IFNG/IFNγ: interferon gamma; IFNGR1: interferon gamma receptor 1; ip: intraperitoneal; iv: intravenous; IL12/p70: interleukin 12, p70 heterodimer; IL18: Interleukin 18; ITGAX/CD11c: integrin alpha X; LAP: LC3-associated phagocytosis; LPS: lipopolysaccharide; LYZ2/LYSM: lysozyme 2; MAP1LC3A/LC3: microtubule-associated protein 1 light chain 3 alpha; RB1CC1/FIP200: RB1-inducible coiled-coil 1; S100A8/MRP8: S100 calcium binding protein A8 (calgranulin A); TICAM1/TRIF: TIR domain containing adaptor molecule 1; TLR4: toll-like receptor 4; TNF: tumor necrosis factor.
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Affiliation(s)
- Ya-Ting Wang
- Center for Infectious Disease Research, Department of Basic Medical Sciences, Tsinghua University School of Medicine, Beijing, Haidian, China
| | - Amy Sansone
- Department of Pediatrics, Washington University School of Medicine in St. Louis, St. Louis, MO, United States
| | - Asya Smirnov
- Department of Molecular Microbiology, Washington University School of Medicine in St. Louis, St. Louis, MO, United States
| | - Christina L Stallings
- Department of Molecular Microbiology, Washington University School of Medicine in St. Louis, St. Louis, MO, United States
| | - Anthony Orvedahl
- Department of Pediatrics, Washington University School of Medicine in St. Louis, St. Louis, MO, United States.,Department of Pathology and Immunology, Washington University School of Medicine in St. Louis, St. Louis, MO, United States
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17
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Bourque J, Hawiger D. Life and death of tolerogenic dendritic cells. Trends Immunol 2023; 44:110-118. [PMID: 36599743 PMCID: PMC9892261 DOI: 10.1016/j.it.2022.12.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 12/07/2022] [Accepted: 12/08/2022] [Indexed: 01/03/2023]
Abstract
In contrast to conventional dendritic cells (cDCs) that are constantly exposed to microbial signals at anatomical barriers, cDCs in systemic lymphoid organs are sheltered from proinflammatory stimulation in the steady state but respond to inflammatory signals by gaining specific immune functions in a process referred to as maturation. Recent findings show that, during maturation, a population of systemic tolerogenic cDCs undergoes an acute tumor necrosis factor α (TNFα)-mediated cell death, resulting in the loss of tolerance-inducing capacity. This tolerogenic cDC population is restored upon return to the homeostatic baseline. We propose that such a dynamic reshaping of cDC populations becomes the foundation of a novel framework for maintaining tolerance at the steady state while being conducive to unhampered initiation of immune responses under proinflammatory conditions.
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Affiliation(s)
- Jessica Bourque
- Department of Molecular Microbiology and Immunology, Saint Louis University School of Medicine, St Louis, MO, USA
| | - Daniel Hawiger
- Department of Molecular Microbiology and Immunology, Saint Louis University School of Medicine, St Louis, MO, USA.
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18
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Camacho DF, Velez TE, Hollinger MK, Wang E, Howard CL, Darnell EP, Kennedy DE, Krishack PA, Hrusch CL, Clark MR, Moon JJ, Sperling AI. IRF4 expression by lung dendritic cells drives acute but not Trm cell-dependent memory Th2 responses. JCI Insight 2022; 7:e140384. [PMID: 36194494 PMCID: PMC9675458 DOI: 10.1172/jci.insight.140384] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Accepted: 09/20/2022] [Indexed: 12/15/2022] Open
Abstract
Expression of the transcription factor interferon regulatory factor 4 (IRF4) is required for the development of lung conventional DCs type 2 (cDC2s) that elicit Th2 responses, yet how IRF4 functions in lung cDC2s throughout the acute and memory allergic response is not clear. Here, we used a mouse model that loses IRF4 expression after lung cDC2 development to demonstrate that mice with IRF4-deficient DCs display impaired memory responses to allergen. This defect in the memory response was a direct result of ineffective Th2 induction and impaired recruitment of activated effector T cells to the lung after sensitization. IRF4-deficient DCs demonstrated defects in their migration to the draining lymph node and in T cell priming. Finally, T cells primed by IRF4-competent DCs mediated potent memory responses independently of IRF4-expressing DCs, demonstrating that IRF4-expressing DCs are not necessary during the memory response. Thus, IRF4 controlled a program in mature DCs governing Th2 priming and effector responses, but IRF4-expressing DCs were dispensable during tissue-resident memory T cell-dependent memory responses.
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Affiliation(s)
- Daniel F. Camacho
- Committee on Immunology and Department of Medicine and
- Pritzker School of Medicine, University of Chicago, Chicago, Illinois, USA
| | - Tania E. Velez
- Committee on Immunology and Department of Medicine and
- Department of Medicine, University of Virginia, Charlottesville, Virginia, USA
| | | | - Esther Wang
- Pritzker School of Medicine, University of Chicago, Chicago, Illinois, USA
| | | | - Eli P. Darnell
- Massachusetts General Hospital, Boston, Massachusetts, USA
| | | | | | | | | | - James J. Moon
- Massachusetts General Hospital, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Anne I. Sperling
- Committee on Immunology and Department of Medicine and
- Department of Medicine, University of Virginia, Charlottesville, Virginia, USA
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19
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Dörr D, Obermayer B, Weiner JM, Zimmermann K, Anania C, Wagner LK, Lyras EM, Sapozhnikova V, Lara-Astiaso D, Prósper F, Lang R, Lupiáñez DG, Beule D, Höpken UE, Leutz A, Mildner A. C/EBPβ regulates lipid metabolism and
Pparg
isoform 2 expression in alveolar macrophages. Sci Immunol 2022; 7:eabj0140. [DOI: 10.1126/sciimmunol.abj0140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Pulmonary alveolar proteinosis (PAP) is a syndrome characterized by accumulation of surfactant lipoproteins within the lung alveoli. Alveolar macrophages (AMs) are crucial for surfactant clearance, and their differentiation depends on colony-stimulating factor 2 (CSF2), which regulates the establishment of an AM-characteristic gene regulatory network. Here, we report that the transcription factor CCAAT/enhancer binding protein β (C/EBPβ) is essential for the development of the AM identity, as demonstrated by transcriptome and chromatin accessibility analysis. Furthermore, C/EBPβ-deficient AMs showed severe defects in proliferation, phagocytosis, and lipid metabolism, collectively resulting in a PAP-like syndrome. Mechanistically, the long C/EBPβ protein variants LAP* and LAP together with CSF2 signaling induced the expression of
Pparg
isoform 2 but not
Pparg
isoform 1, a molecular regulatory mechanism that was also observed in other CSF2-primed macrophages. These results uncover C/EBPβ as a key regulator of AM cell fate and shed light on the molecular networks controlling lipid metabolism in macrophages.
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Affiliation(s)
- Dorothea Dörr
- Max-Delbrück-Center for Molecular Medicine in Helmholtz Association (MDC), Berlin, Germany
- Institute of Biology, Humboldt University of Berlin, Berlin, Germany
| | - Benedikt Obermayer
- Core Unit Bioinformatics, Berlin Institute of Health, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - January Mikolaj Weiner
- Core Unit Bioinformatics, Berlin Institute of Health, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Karin Zimmermann
- Max-Delbrück-Center for Molecular Medicine in Helmholtz Association (MDC), Berlin, Germany
| | - Chiara Anania
- Max-Delbrück-Center for Molecular Medicine in Helmholtz Association (MDC), Berlin Institute for Medical Systems Biology (BIMSB), Epigenetics and Sex Development Group, Berlin, Germany
| | - Lisa Katharina Wagner
- Max-Delbrück-Center for Molecular Medicine in Helmholtz Association (MDC), Berlin, Germany
| | - Ekaterini Maria Lyras
- Max-Delbrück-Center for Molecular Medicine in Helmholtz Association (MDC), Berlin, Germany
| | - Valeriia Sapozhnikova
- Max-Delbrück-Center for Molecular Medicine in Helmholtz Association (MDC), Berlin, Germany
| | - David Lara-Astiaso
- Advanced Genomics Laboratory, Program of Hemato-Oncology, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain
| | - Felipe Prósper
- Program of Regenerative Medicine, Program of Hemato-Oncology, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain
- Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain
| | - Roland Lang
- Institute of Clinical Microbiology, Immunology, and Hygiene, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Darío G. Lupiáñez
- Max-Delbrück-Center for Molecular Medicine in Helmholtz Association (MDC), Berlin Institute for Medical Systems Biology (BIMSB), Epigenetics and Sex Development Group, Berlin, Germany
| | - Dieter Beule
- Core Unit Bioinformatics, Berlin Institute of Health, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Uta E. Höpken
- Max-Delbrück-Center for Molecular Medicine in Helmholtz Association (MDC), Berlin, Germany
| | - Achim Leutz
- Max-Delbrück-Center for Molecular Medicine in Helmholtz Association (MDC), Berlin, Germany
- Institute of Biology, Humboldt University of Berlin, Berlin, Germany
| | - Alexander Mildner
- Max-Delbrück-Center for Molecular Medicine in Helmholtz Association (MDC), Berlin, Germany
- Institute of Biomedicine, Medicity University of Turku, Turku, Finland
- InFLAMES Research Flagship Center, University of Turku, Turku, Finland
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20
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Cao M, Wang N, Yan X, Yang N, Fu Q, Zhang X, Zhang Y, Li C. Structures, evolutionary relationships and expression profiles of the tumour necrosis factor superfamily and their receptors in black rockfish (Sebastes schlegelii). DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2022; 132:104405. [PMID: 35364135 DOI: 10.1016/j.dci.2022.104405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 03/25/2022] [Accepted: 03/25/2022] [Indexed: 06/14/2023]
Abstract
Members of tumour necrosis factor superfamily (TNFSF) and TNF receptor superfamily (TNFRSF) have crucial roles in many important biological processes such as cell proliferation, cell death, development, survival, immunity, and various diseases. The human TNFSF consists of 19 ligands and 29 receptors. Compared with those in human, fish have most of the TNFSF and receptors that have been found in mammals, while some of the homologues are specific or lost in fish. Especially, no systematic report on the identification of TNFSF ligands and their receptors in S. schlegelii. Therefore, to investigate the characterization and molecular evolution of TNFSF and TNFRSF genes in Sebastes schlegelii, we performed a genome-wide survey and identified 14 TNFSFs and 24 TNFRSFs from S. schlegelii. In S. schlegelii, we found duplication events occurred in TNFSF2, TNFSF6, TNFSF10, TNFSF13, TNFSF14, TNFRSF5, TNFRSF6, TNFRSF6B, TNFRSF10B, TNFRSF16, and TNFRSF19 genes. Among which, the tandem duplications events occurred in TNFSF13 and TNFRSF6, and the whole genome duplications events occurred in the remaining TNFSF and TNFRSF genes. Based on the molecular phylogenetic analysis, 14 TNFSFs were divided into three different clusters and 24 TNFRSFs were classed as three distinct subgroups, respectively. Meanwhile, protein domains and motifs analysis revealed that TNFSF contain homology domain (THD), and TNFRSF have typical cysteine-rich domains (CRDs). Synteny results indicates that the TNFSFs and TNFRSFs neighborhood genes have taken place great changes compared to those in human, fugu and zebrafish. Meanwhile, qRT-PCR results demonstrated that most TNFSFs and TNFSRSFs were significantly differentially expressed in gill, skin and intestine after E. tarda infection with time-dependent manners. In addition, protein-protein interaction network (PPI) analysis indicated that the most related genes connecting to TNFSF and TNFRSFs were TNFSF ligands and receptors. In summary, this study provided a new understanding for characterization and evolution of the TNFSF genes and their receptors in S. schlegelii.
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Affiliation(s)
- Min Cao
- School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, 266109, China
| | - Ningning Wang
- School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, 266109, China
| | - Xu Yan
- College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266011, China
| | - Ning Yang
- School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, 266109, China
| | - Qiang Fu
- School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, 266109, China
| | - Xiaoyan Zhang
- School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, 266109, China
| | - Yong Zhang
- School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, 266109, China
| | - Chao Li
- School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, 266109, China.
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21
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Frazzette N, Cruz AC, Wu X, Hammer JA, Lippincott-Schwartz J, Siegel RM, Sengupta P. Super-Resolution Imaging of Fas/CD95 Reorganization Induced by Membrane-Bound Fas Ligand Reveals Nanoscale Clustering Upstream of FADD Recruitment. Cells 2022; 11:cells11121908. [PMID: 35741037 PMCID: PMC9221696 DOI: 10.3390/cells11121908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 05/30/2022] [Accepted: 06/01/2022] [Indexed: 12/04/2022] Open
Abstract
Signaling through the TNF-family receptor Fas/CD95 can trigger apoptosis or non-apoptotic cellular responses and is essential for protection from autoimmunity. Receptor clustering has been observed following interaction with Fas ligand (FasL), but the stoichiometry of Fas, particularly when triggered by membrane-bound FasL, the only form of FasL competent at inducing programmed cell death, is not known. Here we used super-resolution microscopy to study the behavior of single molecules of Fas/CD95 on the plasma membrane after interaction of Fas with FasL on planar lipid bilayers. We observed rapid formation of Fas protein superclusters containing more than 20 receptors after interactions with membrane-bound FasL. Fluorescence correlation imaging demonstrated recruitment of FADD dependent on an intact Fas death domain, with lipid raft association playing a secondary role. Flow-cytometric FRET analysis confirmed these results, and also showed that some Fas clustering can occur in the absence of FADD and caspase-8. Point mutations in the Fas death domain associated with autoimmune lymphoproliferative syndrome (ALPS) completely disrupted Fas reorganization and FADD recruitment, confirming structure-based predictions of the critical role that these residues play in Fas–Fas and Fas–FADD interactions. Finally, we showed that induction of apoptosis correlated with the ability to form superclusters and recruit FADD.
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Affiliation(s)
- Nicholas Frazzette
- Immunoregulation Section, Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), National Institutes of Health, Bethesda, MD 20892, USA; (N.F.); (A.C.C.)
| | - Anthony C. Cruz
- Immunoregulation Section, Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), National Institutes of Health, Bethesda, MD 20892, USA; (N.F.); (A.C.C.)
| | - Xufeng Wu
- Cell and Developmental Biology Center, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA; (X.W.); (J.A.H.)
| | - John A. Hammer
- Cell and Developmental Biology Center, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA; (X.W.); (J.A.H.)
| | | | - Richard M. Siegel
- Immunoregulation Section, Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), National Institutes of Health, Bethesda, MD 20892, USA; (N.F.); (A.C.C.)
- Correspondence: (R.M.S.); (P.S.)
| | - Prabuddha Sengupta
- Janelia Research Campus, Howard Hughes Medical Institute, Ashburn, VA 20147, USA;
- Correspondence: (R.M.S.); (P.S.)
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22
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Iberg CA, Bourque J, Fallahee I, Son S, Hawiger D. TNF-α sculpts a maturation process in vivo by pruning tolerogenic dendritic cells. Cell Rep 2022; 39:110657. [PMID: 35417681 PMCID: PMC9113652 DOI: 10.1016/j.celrep.2022.110657] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 02/16/2022] [Accepted: 03/18/2022] [Indexed: 12/12/2022] Open
Abstract
It remains unclear how the pro-immunogenic maturation of conventional dendritic cells (cDCs) abrogates their tolerogenic functions. Here, we report that the loss of tolerogenic functions depends on the rapid death of BTLAhi cDC1s, which, in the steady state, are present in systemic peripheral lymphoid organs and promote tolerance that limits subsequent immune responses. A canonical inducer of maturation, lipopolysaccharide (LPS), initiates a burst of tumor necrosis factor alpha (TNF-α) production and the resultant acute death of BTLAhi cDC1s mediated by tumor necrosis factor receptor 1. The ablation of these individual tolerogenic cDCs is amplified by TNF-α produced by neighboring cells. This loss of tolerogenic cDCs is transient, accentuating the restoration of homeostatic conditions through biological turnover of cDCs in vivo. Therefore, our results reveal that the abrogation of tolerogenic functions during an acute immunogenic maturation depends on an ablation of the tolerogenic cDC population, resulting in a dynamic remodeling of the cDC functional landscape.
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Affiliation(s)
- Courtney A Iberg
- Department of Molecular Microbiology and Immunology, Saint Louis University School of Medicine, St. Louis, MO, USA
| | - Jessica Bourque
- Department of Molecular Microbiology and Immunology, Saint Louis University School of Medicine, St. Louis, MO, USA
| | - Ian Fallahee
- Department of Molecular Microbiology and Immunology, Saint Louis University School of Medicine, St. Louis, MO, USA
| | - Sungho Son
- Department of Molecular Microbiology and Immunology, Saint Louis University School of Medicine, St. Louis, MO, USA
| | - Daniel Hawiger
- Department of Molecular Microbiology and Immunology, Saint Louis University School of Medicine, St. Louis, MO, USA.
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23
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Gao X, Zhu B, Wu Y, Li C, Zhou X, Tang J, Sun J. TFAM-Dependent Mitochondrial Metabolism Is Required for Alveolar Macrophage Maintenance and Homeostasis. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2022; 208:1456-1466. [PMID: 35165165 PMCID: PMC9801487 DOI: 10.4049/jimmunol.2100741] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Accepted: 12/29/2021] [Indexed: 01/04/2023]
Abstract
Alveolar macrophages (AMs) are major lung tissue-resident macrophages capable of proliferating and self-renewal in situ. AMs are vital in pulmonary antimicrobial immunity and surfactant clearance. The mechanisms regulating AM compartment formation and maintenance remain to be fully elucidated currently. In this study, we have explored the roles of mitochondrial transcription factor A (TFAM)-mediated mitochondrial fitness and metabolism in regulating AM formation and function. We found that TFAM deficiency in mice resulted in significantly reduced AM numbers and impaired AM maturation in vivo. TFAM deficiency was not required for the generation of AM precursors nor the differentiation of AM precursors into AMs, but was critical for the maintenance of AM compartment. Mechanistically, TFAM deficiency diminished gene programs associated with AM proliferation and self-renewal and promoted the expression of inflammatory genes in AMs. We further showed that TFAM-mediated AM compartment impairment resulted in defective clearance of cellular debris and surfactant in the lung and increased the host susceptibility to severe influenza virus infection. Finally, we found that influenza virus infection in AMs led to impaired TFAM expression and diminished mitochondrial fitness and metabolism. Thus, our data have established the critical function of TFAM-mediated mitochondrial metabolism in AM maintenance and function.
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Affiliation(s)
- Xiaochen Gao
- Department of Immunology, Mayo Clinic, Rochester, MN.,Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mayo Clinic, Rochester, MN
| | - Bibo Zhu
- Department of Immunology, Mayo Clinic, Rochester, MN.,Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mayo Clinic, Rochester, MN
| | - Yue Wu
- Department of Immunology, Mayo Clinic, Rochester, MN.,Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mayo Clinic, Rochester, MN
| | - Chaofan Li
- Department of Immunology, Mayo Clinic, Rochester, MN.,Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mayo Clinic, Rochester, MN
| | - Xian Zhou
- Department of Immunology, Mayo Clinic, Rochester, MN.,Division of Rheumatology, Department of Medicine, Mayo Clinic College of Medicine and Science, Mayo Clinic, Rochester, MN
| | - Jinyi Tang
- Department of Immunology, Mayo Clinic, Rochester, MN.,Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mayo Clinic, Rochester, MN
| | - Jie Sun
- Department of Immunology, Mayo Clinic, Rochester, MN; .,Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mayo Clinic, Rochester, MN.,Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN.,Carter Immunology Center, University of Virginia, Charlottesville, VA; and.,Division of Infectious Diseases and International Health, Department of Medicine, University of Virginia, Charlottesville, VA
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24
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Definition of a mouse microglial subset that regulates neuronal development and proinflammatory responses in the brain. Proc Natl Acad Sci U S A 2022; 119:2116241119. [PMID: 35177477 PMCID: PMC8872761 DOI: 10.1073/pnas.2116241119] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/30/2021] [Indexed: 12/26/2022] Open
Abstract
Expression of Itgax (encoding the CD11c surface protein) and Spp1 (encoding osteopontin; OPN) has been associated with activated microglia that can develop in healthy brains and some neuroinflammatory disorders. However, whether CD11c and OPN expression is a consequence of microglial activation or represents a portion of the genetic program expressed by a stable microglial subset is unknown. Here, we show that OPN production in the brain is confined to a small CD11c+ microglial subset that differentiates from CD11c- precursors in perinatal life after uptake of apoptotic neurons. Our analysis suggests that coexpression of OPN and CD11c marks a microglial subset that is expressed at birth and persists into late adult life, independent of environmental activation stimuli. Analysis of the contribution of OPN to the intrinsic functions of this CD11c+ microglial subset indicates that OPN is required for subset stability and the execution of phagocytic and proinflammatory responses, in part through OPN-dependent engagement of the αVβ3-integrin receptor. Definition of OPN-producing CD11c+ microglia as a functional microglial subset provides insight into microglial differentiation in health and disease.
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25
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Satoh M, Iizuka M, Majima M, Ohwa C, Hattori A, Van Kaer L, Iwabuchi K. Adipose invariant NKT cells interact with CD1d-expressing macrophages to regulate obesity-related inflammation. Immunology 2022; 165:414-427. [PMID: 35137411 DOI: 10.1111/imm.13447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Revised: 01/06/2022] [Accepted: 01/11/2022] [Indexed: 11/28/2022] Open
Abstract
Obesity is accompanied by and accelerated with chronic inflammation in adipose tissue, especially visceral adipose tissue (VAT). This low-level inflammation predisposes the host to the development of metabolic disease, most notably type 2 diabetes. We have focused on the capacity of glycolipid-reactive, CD1d-restricted natural killer T (NKT) cells to modulate obesity and its associated metabolic sequelae. We previously reported that CD1d knockout (KO) mice are partially protected against the development of obesity-associated insulin-resistance, and these findings were recapitulated in mice with an adipocyte-specific CD1d deficiency, suggesting that NKT cell-adipocyte interactions play a critical role in exacerbating disease. However, many other CD1d-expressing cells contribute to the in vivo responses of NKT cells to lipid antigens. In the present study, we examined the role of CD1d expression by macrophages (Mϕ) to the development of obesity-associated metabolic inflammation using LysMcre-cd1d1f/f mice where the CD1d1 gene is disrupted in a Mϕ-specific manner. Unexpectedly, these animals contained a higher frequency of T-bet+ CD4+ T cells in VAT with increased production of Th1-cytokines that aggravated VAT inflammation. Mϕ from mutant mice displayed increased production of IL-12p40, suggesting M1 polarization. These findings indicate that interactions of CD1d on Mϕ with NKT cells play a beneficial role in obesity-associated VAT inflammation and insulin resistance with a sharp contrast to an aggravating role of CD1d on another type of antigen presenting cell, dendritic cells.
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Affiliation(s)
- Masashi Satoh
- Department of Immunology, Kitasato University School of Medicine.,Program in Cellular Immunology, Graduate School of Medical Sciences, Kitasato University
| | - Misao Iizuka
- Department of Immunology, Kitasato University School of Medicine
| | - Masataka Majima
- Department of Pharmacology, Kitasato University School of Medicine.,Program in Molecular Pharmacology, Graduate School of Medical Sciences, Kitasato University, Sagamihara, Japan.,School of Health and Medical Sciences, Kanagawa Institute of Technology (KAIT), Atsugi, Japan
| | - Chizuru Ohwa
- Program in Cellular Immunology, Graduate School of Medical Sciences, Kitasato University
| | - Akito Hattori
- Program in Cellular Immunology, Graduate School of Medical Sciences, Kitasato University
| | - Luc Van Kaer
- Department of Pathology, Microbiology and Immunology, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Kazuya Iwabuchi
- Department of Immunology, Kitasato University School of Medicine.,Program in Cellular Immunology, Graduate School of Medical Sciences, Kitasato University
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Dalod M, Scheu S. Dendritic cell functions in vivo: a user's guide to current and next generation mutant mouse models. Eur J Immunol 2022; 52:1712-1749. [PMID: 35099816 DOI: 10.1002/eji.202149513] [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: 11/19/2021] [Accepted: 01/14/2022] [Indexed: 11/11/2022]
Abstract
Dendritic cells (DCs) do not just excel in antigen presentation. They orchestrate information transfer from innate to adaptive immunity, by sensing and integrating a variety of danger signals, and translating them to naïve T cells, to mount specifically tailored immune responses. This is accomplished by distinct DC types specialized in different functions and because each DC is functionally plastic, assuming different activation states depending on the input signals received. Mouse models hold the key to untangle this complexity and determine which DC types and activation states contribute to which functions. Here, we aim to provide comprehensive information for selecting the most appropriate mutant mouse strains to address specific research questions on DCs, considering three in vivo experimental approaches: (i) interrogating the roles of DC types through their depletion; (ii) determining the underlying mechanisms by specific genetic manipulations; (iii) deciphering the spatiotemporal dynamics of DC responses. We summarize the advantages, caveats, suggested use and perspectives for a variety of mutant mouse strains, discussing in more detail the most widely used or accurate models. Finally, we discuss innovative strategies to improve targeting specificity, for the next generation mutant mouse models, and briefly address how humanized mouse models can accelerate translation into the clinic. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Marc Dalod
- CNRS, Inserm, Aix Marseille Univ, Centre d'Immunologie de Marseille-Luminy (CIML), Turing Center for Living Systems, Marseille, France
| | - Stefanie Scheu
- Institute of Medical Microbiology and Hospital Hygiene, University of Düsseldorf, Düsseldorf, Germany
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27
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McDaniel MM, Meibers HE, Pasare C. Innate control of adaptive immunity and adaptive instruction of innate immunity: bi-directional flow of information. Curr Opin Immunol 2021; 73:25-33. [PMID: 34425435 PMCID: PMC8648974 DOI: 10.1016/j.coi.2021.07.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 07/14/2021] [Accepted: 07/28/2021] [Indexed: 12/21/2022]
Abstract
The ability of the innate and adaptive immune systems to communicate with each other is central to protective immune responses and maintenance of host health. Myeloid cells of the innate immune system are able to sense microbial ligands, perturbations in cellular homeostasis, and virulence factors, thereby allowing them to relay distinct pathogen-specific information to naïve T cells in the form of pathogen-derived peptides and a unique cytokine milieu. Once primed, effector T helper cells produce lineage-defining cytokines to help combat the original pathogen, and a subset of these cells persist as memory or effector-memory populations. These memory T cells then play a dual role in host protection by not only responding rapidly to reinfection, but by also directly instructing myeloid cells to express licensing cytokines. This means there is a bi-directional flow of information first from the innate to the adaptive immune system, and then from the adaptive back to innate immune system. Here, we focus on how signals, first from pathogens and then from primed effector and memory T cells, are integrated by myeloid cells and its consequences for protective immunity or systemic inflammation.
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Affiliation(s)
- Margaret M McDaniel
- Immunology Graduate Program, University of Texas Southwestern Medical Center, Dallas, TX 75390, United States; Division of Immunobiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, United States; Center for Inflammation and Tolerance, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, United States
| | - Hannah E Meibers
- Division of Immunobiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, United States; Center for Inflammation and Tolerance, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, United States; Immunology Graduate Program, Cincinnati Children's Hospital Medical Center and the University of Cincinnati College of Medicine, Cincinnati, OH 45220, United States
| | - Chandrashekhar Pasare
- Division of Immunobiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, United States; Center for Inflammation and Tolerance, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, United States; Department of Pediatrics, University of Cincinnati, College of Medicine, Cincinnati, OH 45220, United States.
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Datsi A, Sorg RV. Dendritic Cell Vaccination of Glioblastoma: Road to Success or Dead End. Front Immunol 2021; 12:770390. [PMID: 34795675 PMCID: PMC8592940 DOI: 10.3389/fimmu.2021.770390] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 10/11/2021] [Indexed: 12/11/2022] Open
Abstract
Glioblastomas (GBM) are the most frequent and aggressive malignant primary brain tumor and remains a therapeutic challenge: even after multimodal therapy, median survival of patients is only 15 months. Dendritic cell vaccination (DCV) is an active immunotherapy that aims at inducing an antitumoral immune response. Numerous DCV trials have been performed, vaccinating hundreds of GBM patients and confirming feasibility and safety. Many of these studies reported induction of an antitumoral immune response and indicated improved survival after DCV. However, two controlled randomized trials failed to detect a survival benefit. This raises the question of whether the promising concept of DCV may not hold true or whether we are not yet realizing the full potential of this therapeutic approach. Here, we discuss the results of recent vaccination trials, relevant parameters of the vaccines themselves and of their application, and possible synergies between DCV and other therapeutic approaches targeting the immunosuppressive microenvironment of GBM.
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Affiliation(s)
- Angeliki Datsi
- Institute for Transplantation Diagnostics and Cell Therapeutics, Heinrich-Heine University Hospital, Medical Faculty, Düsseldorf, Germany
| | - Rüdiger V Sorg
- Institute for Transplantation Diagnostics and Cell Therapeutics, Heinrich-Heine University Hospital, Medical Faculty, Düsseldorf, Germany
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29
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Favor OK, Pestka JJ, Bates MA, Lee KSS. Centrality of Myeloid-Lineage Phagocytes in Particle-Triggered Inflammation and Autoimmunity. FRONTIERS IN TOXICOLOGY 2021; 3:777768. [PMID: 35295146 PMCID: PMC8915915 DOI: 10.3389/ftox.2021.777768] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 10/19/2021] [Indexed: 12/14/2022] Open
Abstract
Exposure to exogenous particles found as airborne contaminants or endogenous particles that form by crystallization of certain nutrients can activate inflammatory pathways and potentially accelerate autoimmunity onset and progression in genetically predisposed individuals. The first line of innate immunological defense against particles are myeloid-lineage phagocytes, namely macrophages and neutrophils, which recognize/internalize the particles, release inflammatory mediators, undergo programmed/unprogrammed death, and recruit/activate other leukocytes to clear the particles and resolve inflammation. However, immunogenic cell death and release of damage-associated molecules, collectively referred to as "danger signals," coupled with failure to efficiently clear dead/dying cells, can elicit unresolved inflammation, accumulation of self-antigens, and adaptive leukocyte recruitment/activation. Collectively, these events can promote loss of immunological self-tolerance and onset/progression of autoimmunity. This review discusses critical molecular mechanisms by which exogenous particles (i.e., silica, asbestos, carbon nanotubes, titanium dioxide, aluminum-containing salts) and endogenous particles (i.e., monosodium urate, cholesterol crystals, calcium-containing salts) may promote unresolved inflammation and autoimmunity by inducing toxic responses in myeloid-lineage phagocytes with emphases on inflammasome activation and necrotic and programmed cell death pathways. A prototypical example is occupational exposure to respirable crystalline silica, which is etiologically linked to systemic lupus erythematosus (SLE) and other human autoimmune diseases. Importantly, airway instillation of SLE-prone mice with crystalline silica elicits severe pulmonary pathology involving accumulation of particle-laden alveolar macrophages, dying and dead cells, nuclear and cytoplasmic debris, and neutrophilic inflammation that drive cytokine, chemokine, and interferon-regulated gene expression. Silica-induced immunogenic cell death and danger signal release triggers accumulation of T and B cells, along with IgG-secreting plasma cells, indicative of ectopic lymphoid tissue neogenesis, and broad-spectrum autoantibody production in the lung. These events drive early autoimmunity onset and accelerate end-stage autoimmune glomerulonephritis. Intriguingly, dietary supplementation with ω-3 fatty acids have been demonstrated to be an intervention against silica-triggered murine autoimmunity. Taken together, further insight into how particles drive immunogenic cell death and danger signaling in myeloid-lineage phagocytes and how these responses are influenced by the genome will be essential for identification of novel interventions for preventing and treating inflammatory and autoimmune diseases associated with these agents.
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Affiliation(s)
- Olivia K. Favor
- Department of Pharmacology and Toxicology, College of Osteopathic Medicine, Michigan State University, East Lansing, MI, United States
- Institute for Integrative Toxicology, Michigan State University, East Lansing, MI, United States
| | - James J. Pestka
- Institute for Integrative Toxicology, Michigan State University, East Lansing, MI, United States
- Department of Food Science and Human Nutrition, Michigan State University, East Lansing, MI, United States
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI, United States
| | - Melissa A. Bates
- Institute for Integrative Toxicology, Michigan State University, East Lansing, MI, United States
- Department of Food Science and Human Nutrition, Michigan State University, East Lansing, MI, United States
| | - Kin Sing Stephen Lee
- Department of Pharmacology and Toxicology, College of Osteopathic Medicine, Michigan State University, East Lansing, MI, United States
- Institute for Integrative Toxicology, Michigan State University, East Lansing, MI, United States
- Department of Chemistry, Michigan State University, East Lansing, MI, United States
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30
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Nicholls J, Cao B, Le Texier L, Xiong LY, Hunter CR, Llanes G, Aguliar EG, Schroder WA, Phipps S, Lynch JP, Cao H, Heazlewood SY, Williams B, Clouston AD, Nefzger CM, Polo JM, Nilsson SK, Blazar BR, MacDonald KPA. Bone Marrow Regulatory T Cells Are a Unique Population, Supported by Niche-Specific Cytokines and Plasmacytoid Dendritic Cells, and Required for Chronic Graft-Versus-Host Disease Control. Front Cell Dev Biol 2021; 9:737880. [PMID: 34631716 PMCID: PMC8493124 DOI: 10.3389/fcell.2021.737880] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Accepted: 08/16/2021] [Indexed: 11/23/2022] Open
Abstract
Regulatory T cell (Treg) reconstitution is essential for reestablishing tolerance and maintaining homeostasis following stem-cell transplantation. We previously reported that bone marrow (BM) is highly enriched in autophagy-dependent Treg and autophagy disruption leads to a significant Treg loss, particularly BM-Treg. To correct the known Treg deficiency observed in chronic graft-versus-host disease (cGVHD) patients, low dose IL-2 infusion has been administered, substantially increasing peripheral Treg (pTreg) numbers. However, as clinical responses were only seen in ∼50% of patients, we postulated that pTreg augmentation was more robust than for BM-Treg. We show that BM-Treg and pTreg have distinct characteristics, indicated by differential transcriptome expression for chemokine receptors, transcription factors, cell cycle control of replication and genes linked to Treg function. Further, BM-Treg were more quiescent, expressed lower FoxP3, were highly enriched for co-inhibitory markers and more profoundly depleted than splenic Treg in cGVHD mice. In vivo our data are consistent with the BM and not splenic microenvironment is, at least in part, driving this BM-Treg signature, as adoptively transferred splenic Treg that entered the BM niche acquired a BM-Treg phenotype. Analyses identified upregulated expression of IL-9R, IL-33R, and IL-7R in BM-Treg. Administration of the T cell produced cytokine IL-2 was required by splenic Treg expansion but had no impact on BM-Treg, whereas the converse was true for IL-9 administration. Plasmacytoid dendritic cells (pDCs) within the BM also may contribute to BM-Treg maintenance. Using pDC-specific BDCA2-DTR mice in which diptheria toxin administration results in global pDC depletion, we demonstrate that pDC depletion hampers BM, but not splenic, Treg homeostasis. Together, these data provide evidence that BM-Treg and splenic Treg are phenotypically and functionally distinct and influenced by niche-specific mediators that selectively support their respective Treg populations. The unique properties of BM-Treg should be considered for new therapies to reconstitute Treg and reestablish tolerance following SCT.
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Affiliation(s)
- Jemma Nicholls
- Division of Blood and Marrow Transplant and Cellular Therapies, Department of Pediatrics, Masonic Cancer Center, University of Minnesota, Minneapolis, MN, United States
| | - Benjamin Cao
- Biomedical Manufacturing Commonwealth Scientific and Industrial Research Organization, Melbourne, VIC, Australia
- Australian Regenerative Medicine Institute, Monash University, Melbourne, VIC, Australia
| | - Laetitia Le Texier
- Immunology Department, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - Laura Yan Xiong
- Immunology Department, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - Christopher R. Hunter
- Immunology Department, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - Genesis Llanes
- Immunology Department, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - Ethan G. Aguliar
- Division of Blood and Marrow Transplant and Cellular Therapies, Department of Pediatrics, Masonic Cancer Center, University of Minnesota, Minneapolis, MN, United States
| | - Wayne A. Schroder
- Immunology Department, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - Simon Phipps
- Immunology Department, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - Jason P. Lynch
- Immunology Department, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - Huimin Cao
- Biomedical Manufacturing Commonwealth Scientific and Industrial Research Organization, Melbourne, VIC, Australia
- Australian Regenerative Medicine Institute, Monash University, Melbourne, VIC, Australia
| | - Shen Y. Heazlewood
- Biomedical Manufacturing Commonwealth Scientific and Industrial Research Organization, Melbourne, VIC, Australia
- Australian Regenerative Medicine Institute, Monash University, Melbourne, VIC, Australia
| | - Brenda Williams
- Biomedical Manufacturing Commonwealth Scientific and Industrial Research Organization, Melbourne, VIC, Australia
- Australian Regenerative Medicine Institute, Monash University, Melbourne, VIC, Australia
| | | | - Christian M. Nefzger
- Australian Regenerative Medicine Institute, Monash University, Melbourne, VIC, Australia
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, QLD, Australia
- Monash Biomedicine Discovery Institute, Monash University, Melbourne, VIC, Australia
| | - Jose M. Polo
- Australian Regenerative Medicine Institute, Monash University, Melbourne, VIC, Australia
- Monash Biomedicine Discovery Institute, Monash University, Melbourne, VIC, Australia
- Department of Anatomy and Developmental Biology, Monash University, Melbourne, VIC, Australia
| | - Susan K. Nilsson
- Biomedical Manufacturing Commonwealth Scientific and Industrial Research Organization, Melbourne, VIC, Australia
- Australian Regenerative Medicine Institute, Monash University, Melbourne, VIC, Australia
| | - Bruce R. Blazar
- Division of Blood and Marrow Transplant and Cellular Therapies, Department of Pediatrics, Masonic Cancer Center, University of Minnesota, Minneapolis, MN, United States
| | - Kelli P. A. MacDonald
- Immunology Department, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
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Wu X, Tang Y, Zhang S, Zhao X, Lin X. MyD88-Dependent Signaling Is Required for HOIP Deficiency-Induced Autoinflammation. THE JOURNAL OF IMMUNOLOGY 2021; 207:542-554. [PMID: 34253576 DOI: 10.4049/jimmunol.2100173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 05/06/2021] [Indexed: 11/19/2022]
Abstract
The linear ubiquitin chain assembly complex (LUBAC) plays pivotal roles in regulating lymphocyte activation, inflammation, and cell death. This is highlighted by the fact that patients with mutations in LUBAC catalytic subunit HOIP suffer from autoinflammation combined with immunodeficiency. Although defective development of T and B cells resulting from HOIP deficiency in adaptive immunity can explain immunodeficiency, the pathogenesis of autoinflammation is not clear. In this study, we found that dendritic cell (DC)-specific deletion of HOIP resulted in spontaneous inflammation, indicating the essential role of HOIP in maintaining DC homeostasis. Although HOIP deficiency in DCs did not affect TNF-α-induced NF-κB activation, it enhanced TNF-α-induced apoptosis and necroptosis. However, crossing HoipDC KO mice with TNFR1-knockout mice surprisingly could not rescue the systematic inflammation, suggesting that the autoinflammation is not due to the effect of HOIP on TNF-α signaling. In contrast, treatment of HoipDC KO mice with antibiotics reduced the inflammation, implying that TLR signaling may contribute to the inflammatory phenotype found in HoipDC KO mice. Consistently, we found that LPS induced more cell death and significantly higher levels of IL-1α and IL-1β in HoipDC KO cells. Importantly, MyD88 deficiency rescued the inflammatory phenotype in HoipDC KO mice. Together, these findings reveal the indispensable function of HOIP in maintaining DC homeostasis, and MyD88-dependent proinflammatory signal plays a substantial role in the pathogenesis of human autoinflammation associated with HOIP mutations.
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Affiliation(s)
- Xin Wu
- Institute for Immunology, Tsinghua University School of Medicine, Beijing, China; and
| | - Yong Tang
- Institute for Immunology, Tsinghua University School of Medicine, Beijing, China; and
| | - Silin Zhang
- Institute for Immunology, Tsinghua University School of Medicine, Beijing, China; and
| | - Xueqiang Zhao
- Institute for Immunology, Tsinghua University School of Medicine, Beijing, China; and
| | - Xin Lin
- Institute for Immunology, Tsinghua University School of Medicine, Beijing, China; and .,Tsinghua-Peking Center for Life Sciences, Beijing, China
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32
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Flores-Mendoza G, Rodríguez-Rodríguez N, Rubio RM, Madera-Salcedo IK, Rosetti F, Crispín JC. Fas/FasL Signaling Regulates CD8 Expression During Exposure to Self-Antigens. Front Immunol 2021; 12:635862. [PMID: 33841416 PMCID: PMC8024570 DOI: 10.3389/fimmu.2021.635862] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 03/04/2021] [Indexed: 11/13/2022] Open
Abstract
Activation of self-reactive CD8+ T cells induces a peripheral tolerance mechanism that involves loss of CD8 expression. Because genetic deficiency of Fas and Fasl causes the accumulation of double-negative (DN; CD3+ TCR-αβ+ CD4- CD8-) T cells that have been proposed to derive from CD8+ cells, we decided to explore the role of Fas and FasL in self-antigen-induced CD8 downregulation. To this end, we quantified Fas and FasL induction by different stimuli and analyzed the effects of Fas/FasL deficiency during a protective immune response and after exposure to self-antigens. Our data describes how Fas and FasL upregulation differs depending on the setting of CD8 T cell activation and demonstrates that Fas/FasL signaling maintains CD8 expression during repetitive antigen stimulation and following self-antigen encounter. Together, our results reveal an unexpected role of Fas/FasL signaling and offer a new insight into the role of these molecules in the regulation of immune tolerance.
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Affiliation(s)
- Giovanna Flores-Mendoza
- Departamento de Inmunología y Reumatología, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
- Posgrado en Ciencias Biológicas, Universidad Nacional Autónoma de México (UNAM), Mexico City, Mexico
| | - Noé Rodríguez-Rodríguez
- Departamento de Inmunología y Reumatología, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Rosa M. Rubio
- Departamento de Inmunología y Reumatología, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Iris K. Madera-Salcedo
- Departamento de Inmunología y Reumatología, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Florencia Rosetti
- Departamento de Inmunología y Reumatología, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - José C. Crispín
- Departamento de Inmunología y Reumatología, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
- Escuela de Medicina y Ciencias de la Salud, Tecnologico de Monterrey, Monterrey, Mexico
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33
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ALG2 Influences T cell apoptosis by regulating FASLG intracellular transportation. Biochem J 2021; 477:3105-3121. [PMID: 32766719 DOI: 10.1042/bcj20200028] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2020] [Revised: 08/06/2020] [Accepted: 08/06/2020] [Indexed: 12/16/2022]
Abstract
In the immune system, T lymphocytes undergo rapid clonal expansion upon pathogen infection. Following pathogen clearance, most of proliferated T cells will be eliminated by the apoptosis pathway to keep the balance of immune cells. FASLG, by interacting with its cognate receptor FAS, plays a major role in controlling the T cell death. FASLG is a type II transmembrane protein, with its C-terminal extracellular domain responsible for interacting with FAS. The N-terminal cytosolic region, despite short and intrinsically disordered, plays critical roles on the protein stability and transportation. The correct localization, either on the plasma membrane or secreted with exosome, or shed into the extracellular region after protease cleavage, has a great impact on the proper function of FASLG. Following synthesis, FASLG is transported by intracellular vesicle transportation system to the final destination. In this report, ALG2, a molecule identified in the T cell apoptosis and shown to be involved in vesicle trafficking previously, was found to interact with FASLG and regulate FASLG transportation. Therefore, we identified a new regulating factor for FASLG function within T cells and also revealed a new pathway for ALG2 involvement in T cell apoptosis.
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Vacchelli E, Martins I, Eggermont A, Fridman WH, Galon J, Sautès-Fridman C, Tartour E, Zitvogel L, Kroemer G, Galluzzi L. Trial watch: Peptide vaccines in cancer therapy. Oncoimmunology 2021; 1:1557-1576. [PMID: 23264902 PMCID: PMC3525611 DOI: 10.4161/onci.22428] [Citation(s) in RCA: 74] [Impact Index Per Article: 24.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Prophylactic vaccination constitutes one of the most prominent medical achievements of history. This concept was first demonstrated by the pioneer work of Edward Jenner, dating back to the late 1790s, after which an array of preparations that confer life-long protective immunity against several infectious agents has been developed. The ensuing implementation of nation-wide vaccination programs has de facto abated the incidence of dreadful diseases including rabies, typhoid, cholera and many others. Among all, the most impressive result of vaccination campaigns is surely represented by the eradication of natural smallpox infection, which was definitively certified by the WHO in 1980. The idea of employing vaccines as anticancer interventions was first theorized in the 1890s by Paul Ehrlich and William Coley. However, it soon became clear that while vaccination could be efficiently employed as a preventive measure against infectious agents, anticancer vaccines would have to (1) operate as therapeutic, rather than preventive, interventions (at least in the vast majority of settings), and (2) circumvent the fact that tumor cells often fail to elicit immune responses. During the past 30 y, along with the recognition that the immune system is not irresponsive to tumors (as it was initially thought) and that malignant cells express tumor-associated antigens whereby they can be discriminated from normal cells, considerable efforts have been dedicated to the development of anticancer vaccines. Some of these approaches, encompassing cell-based, DNA-based and purified component-based preparations, have already been shown to exert conspicuous anticancer effects in cohorts of patients affected by both hematological and solid malignancies. In this Trial Watch, we will summarize the results of recent clinical trials that have evaluated/are evaluating purified peptides or full-length proteins as therapeutic interventions against cancer.
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Affiliation(s)
- Erika Vacchelli
- Institut Gustave Roussy; Villejuif, France ; Université Paris-Sud/Paris XI; Le Kremlin-Bicêtre, France ; INSERM, U848; Villejuif, France
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35
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Anderson DA, Dutertre CA, Ginhoux F, Murphy KM. Genetic models of human and mouse dendritic cell development and function. Nat Rev Immunol 2021; 21:101-115. [PMID: 32908299 PMCID: PMC10955724 DOI: 10.1038/s41577-020-00413-x] [Citation(s) in RCA: 130] [Impact Index Per Article: 43.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/28/2020] [Indexed: 12/13/2022]
Abstract
Dendritic cells (DCs) develop in the bone marrow from haematopoietic progenitors that have numerous shared characteristics between mice and humans. Human counterparts of mouse DC progenitors have been identified by their shared transcriptional signatures and developmental potential. New findings continue to revise models of DC ontogeny but it is well accepted that DCs can be divided into two main functional groups. Classical DCs include type 1 and type 2 subsets, which can detect different pathogens, produce specific cytokines and present antigens to polarize mainly naive CD8+ or CD4+ T cells, respectively. By contrast, the function of plasmacytoid DCs is largely innate and restricted to the detection of viral infections and the production of type I interferon. Here, we discuss genetic models of mouse DC development and function that have aided in correlating ontogeny with function, as well as how these findings can be translated to human DCs and their progenitors.
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Affiliation(s)
- David A Anderson
- Department of Pathology and Immunology, School of Medicine, Washington University in St. Louis, St. Louis, MO, USA
| | | | - Florent Ginhoux
- Singapore Immunology Network, Agency for Science, Technology and Research, Singapore, Singapore
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Translational Immunology Institute, SingHealth Duke-NUS Academic Medical Centre, Singapore, Singapore
| | - Kenneth M Murphy
- Department of Pathology and Immunology, School of Medicine, Washington University in St. Louis, St. Louis, MO, USA.
- Howard Hughes Medical Institute, School of Medicine, Washington University in St. Louis, St. Louis, MO, USA.
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Sun T, Nguyen A, Gommerman JL. Dendritic Cell Subsets in Intestinal Immunity and Inflammation. THE JOURNAL OF IMMUNOLOGY 2020; 204:1075-1083. [PMID: 32071090 DOI: 10.4049/jimmunol.1900710] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Accepted: 10/11/2019] [Indexed: 12/21/2022]
Abstract
The mammalian intestine is a complex environment that is constantly exposed to Ags derived from food, microbiota, and metabolites. Intestinal dendritic cells (DC) have the responsibility of establishing oral tolerance against these Ags while initiating immune responses against mucosal pathogens. We now know that DC are a heterogeneous population of innate immune cells composed of classical and monocyte-derived DC, Langerhans cells, and plasmacytoid DC. In the intestine, DC are found in organized lymphoid tissues, such as the mesenteric lymph nodes and Peyer's patches, as well as in the lamina propria. In this Brief Review, we review recent work that describes a division of labor between and collaboration among gut DC subsets in the context of intestinal homeostasis and inflammation. Understanding relationships between DC subtypes and their biological functions will rationalize oral vaccine design and will provide insights into treatments that quiet pathological intestinal inflammation.
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Affiliation(s)
- Tian Sun
- Department of Immunology, Faculty of Medicine, University of Toronto, Toronto, Ontario M5S1A8, Canada
| | - Albert Nguyen
- Department of Immunology, Faculty of Medicine, University of Toronto, Toronto, Ontario M5S1A8, Canada
| | - Jennifer L Gommerman
- Department of Immunology, Faculty of Medicine, University of Toronto, Toronto, Ontario M5S1A8, Canada
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Hering L, Katkeviciute E, Schwarzfischer M, Busenhart P, Gottier C, Mrdjen D, Komuczki J, Wawrzyniak M, Lang S, Atrott K, Becher B, Rogler G, Scharl M, Spalinger MR. Protein Tyrosine Phosphatase Non-Receptor Type 2 Function in Dendritic Cells Is Crucial to Maintain Tissue Tolerance. Front Immunol 2020; 11:1856. [PMID: 32973765 PMCID: PMC7462014 DOI: 10.3389/fimmu.2020.01856] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 07/10/2020] [Indexed: 01/08/2023] Open
Abstract
Protein tyrosine phosphatase non-receptor type 2 (PTPN2) plays a pivotal role in immune homeostasis and has been associated with human autoimmune and chronic inflammatory diseases. Though PTPN2 is well-characterized in lymphocytes, little is known about its function in innate immune cells. Our findings demonstrate that dendritic cell (DC)-intrinsic PTPN2 might be the key to explain the central role for PTPN2 in the immune system to maintain immune tolerance. Partial genetic PTPN2 ablation in DCs resulted in spontaneous inflammation, particularly in skin, liver, lung and kidney 22 weeks post-birth. DC-specific PTPN2 controls steady-state immune cell composition and even incomplete PTPN2 deficiency in DCs resulted in enhanced organ infiltration of conventional type 2 DCs, accompanied by expansion of IFNγ-producing effector T-cells. Consequently, the phenotypic effects of DC-specific PTPN2 deficiency were abolished in T-cell deficient Rag knock-out mice. Our data add substantial knowledge about the molecular mechanisms to prevent inflammation and maintain tissue tolerance.
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Affiliation(s)
- Larissa Hering
- Department of Gastroenterology and Hepatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Egle Katkeviciute
- Department of Gastroenterology and Hepatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Marlene Schwarzfischer
- Department of Gastroenterology and Hepatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Philipp Busenhart
- Department of Gastroenterology and Hepatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Claudia Gottier
- Department of Gastroenterology and Hepatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Dunja Mrdjen
- Institute of Experimental Immunology, University of Zurich, Zurich, Switzerland
| | - Juliana Komuczki
- Institute of Experimental Immunology, University of Zurich, Zurich, Switzerland
| | - Marcin Wawrzyniak
- Department of Gastroenterology and Hepatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Silvia Lang
- Department of Gastroenterology and Hepatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Kirstin Atrott
- Department of Gastroenterology and Hepatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Burkhard Becher
- Institute of Experimental Immunology, University of Zurich, Zurich, Switzerland
| | - Gerhard Rogler
- Department of Gastroenterology and Hepatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland.,Zurich Center for Integrative Human Physiology, University of Zurich, Zurich, Switzerland
| | - Michael Scharl
- Department of Gastroenterology and Hepatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland.,Zurich Center for Integrative Human Physiology, University of Zurich, Zurich, Switzerland
| | - Marianne R Spalinger
- Department of Gastroenterology and Hepatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
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38
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Tang W, Wang H, Tian R, Saret S, Cheon H, Claudio E, Siebenlist U. Bcl-3 inhibits lupus-like phenotypes in BL6/lpr mice. Eur J Immunol 2020; 51:197-205. [PMID: 32652549 DOI: 10.1002/eji.202048584] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 05/22/2020] [Indexed: 11/06/2022]
Abstract
Bcl-3 is an atypical member of the IκB family that modulates NF-κB activity in nuclei. lpr mice carry the lpr mutation in Fas, resulting in functional loss of this death receptor; they serve as models for lupus erythematosus and autoimmune lymphoproliferation syndrome (ALPS). To explore the biologic roles of Bcl-3 in this disease model, we generated BL6/lpr mice lacking Bcl-3. Unlike lpr mice on an MRL background, BL6/lpr mice present with very mild lupus- or ALPS-like phenotypes. Bcl-3 KO BL6/lpr mice, however, developed severe splenomegaly, dramatically increased numbers of double negative T cells - a hallmark of human lupus, ALPS, and MRL/lpr mice - and exhibited inflammation in multiple organs, despite low levels of autoantibodies, similar to those in BL6/lpr mice. Loss of Bcl-3 specifically in T cells exacerbated select lupus-like phenotypes, specifically organ infiltration. Mechanistically, elevated levels of Tnfα in Bcl-3 KO BL6/lpr mice may promote lupus-like phenotypes, since loss of Tnfα in these mice reversed the pathology due to loss of Bcl-3. Contrary to the inhibitory functions of Bcl-3 revealed here, this regulator has also been shown to promote inflammation in different settings. Our findings highlight the profound, yet highly context-dependent roles of Bcl-3 in the development of inflammation-associated pathology.
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Affiliation(s)
- Wanhu Tang
- Laboratory of Molecular Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Hongshan Wang
- Laboratory of Molecular Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Ruxiao Tian
- Laboratory of Molecular Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Sun Saret
- Laboratory of Molecular Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - HeeJin Cheon
- Laboratory of Molecular Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Estefania Claudio
- Laboratory of Molecular Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Ulrich Siebenlist
- Laboratory of Molecular Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
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39
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Fish TNF and TNF receptors. SCIENCE CHINA-LIFE SCIENCES 2020; 64:196-220. [DOI: 10.1007/s11427-020-1712-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Accepted: 05/12/2020] [Indexed: 12/29/2022]
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Mundt S, Mrdjen D, Utz SG, Greter M, Schreiner B, Becher B. Conventional DCs sample and present myelin antigens in the healthy CNS and allow parenchymal T cell entry to initiate neuroinflammation. Sci Immunol 2020; 4:4/31/eaau8380. [PMID: 30679199 DOI: 10.1126/sciimmunol.aau8380] [Citation(s) in RCA: 150] [Impact Index Per Article: 37.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Accepted: 01/03/2019] [Indexed: 12/21/2022]
Abstract
The central nervous system (CNS) is under close surveillance by immune cells, which mediate tissue homeostasis, protection, and repair. Conversely, in neuroinflammation, dysregulated leukocyte invasion into the CNS leads to immunopathology and neurological disability. To invade the brain parenchyma, autoimmune encephalitogenic T helper (TH) cells must encounter their cognate antigens (Ags) presented via local Ag-presenting cells (APCs). The precise identity of the APC that samples, processes, and presents CNS-derived Ags to autoaggressive T cells is unknown. Here, we used a combination of high-dimensional single-cell mapping and conditional MHC class II ablation across all CNS APCs to systematically interrogate each population for its ability to reactivate encephalitogenic TH cells in vivo. We found a population of conventional dendritic cells, but not border-associated macrophages or microglia, to be essential for licensing T cells to initiate neuroinflammation.
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Affiliation(s)
- Sarah Mundt
- Institute of Experimental Immunology, University of Zurich, Zurich, Switzerland
| | - Dunja Mrdjen
- Institute of Experimental Immunology, University of Zurich, Zurich, Switzerland
| | - Sebastian G Utz
- Institute of Experimental Immunology, University of Zurich, Zurich, Switzerland
| | - Melanie Greter
- Institute of Experimental Immunology, University of Zurich, Zurich, Switzerland
| | - Bettina Schreiner
- Institute of Experimental Immunology, University of Zurich, Zurich, Switzerland.,Department of Neurology, University Hospital Zurich, Zurich, Switzerland
| | - Burkhard Becher
- Institute of Experimental Immunology, University of Zurich, Zurich, Switzerland.
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Lu X, Kugadas A, Smith-Page K, Lamb J, Lin T, Ru Y, Morley SC, Fichorova R, Mittal SK, Chauhan SK, Littleton S, Saban D, Gadjeva M. Neutrophil L-Plastin Controls Ocular Paucibacteriality and Susceptibility to Keratitis. Front Immunol 2020; 11:547. [PMID: 32318063 PMCID: PMC7147296 DOI: 10.3389/fimmu.2020.00547] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Accepted: 03/10/2020] [Indexed: 12/14/2022] Open
Abstract
Why ocular mucosa is paucibacterial is unknown. Many different mechanisms have been suggested but the comprehensive experimental studies are sparse. We found that a deficiency in L-plastin (LCP1), an actin bundling protein, resulted in an ocular commensal overgrowth, characterized with increased presence of conjunctival Streptococcal spp. The commensal overgrowth correlated with susceptibility to P. aeruginosa-induced keratitis. L-plastin knock-out (KO) mice displayed elevated bacterial burden in the P. aeruginosa-infected corneas, altered inflammatory responses, and compromised bactericidal activity. Mice with ablation of LPL under the LysM Cre (LysM. CreposLPLfl/fl ) and S100A8 Cre (S100A8.CreposLPLfl/fl ) promoters had a similar phenotype to the LPL KOs mice. In contrast, infected CD11c.CreposLPLfl/fl mice did not display elevated susceptibility to infection, implicating the myeloid L-plastin-sufficient cells (e.g., macrophages and neutrophils) in maintaining ocular homeostasis. Mechanistically, the elevated commensal burden and the susceptibility to infection were linked to defects in neutrophil frequencies at steady state and during infection and compromised bactericidal activities upon priming. Macrophage exposure to commensal organisms primed neutrophil responses to P. aeruginosa, augmenting PMN bactericidal capacity in an L-plastin dependent manner. Cumulatively, our data highlight the importance of neutrophils in controlling ocular paucibacteriality, reveal molecular and cellular events involved in the process, and suggest a link between commensal exposure and resistance to infection.
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Affiliation(s)
- Xiaoxiao Lu
- Division of Infectious Diseases, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, United States
| | - Abirami Kugadas
- Division of Infectious Diseases, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, United States
| | - Kirsten Smith-Page
- Division of Infectious Diseases, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, United States
| | - Jeffrey Lamb
- Division of Infectious Diseases, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, United States
| | - Tiffany Lin
- Division of Infectious Diseases, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, United States
| | - Yusha Ru
- Division of Infectious Diseases, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, United States
| | | | - Raina Fichorova
- Laboratory of Genital Tract Biology, Department of Obstetrics, Gynecology and Reproductive Biology, Brigham and Women's Hospital and Harvard Medical School, MA, United States
| | - Sharad K. Mittal
- Schepens Eye Research Institute, Massachusetts Eye & Ear Infirmary and Harvard Medical School, Boston, MA, United States
| | - Sunil K. Chauhan
- Schepens Eye Research Institute, Massachusetts Eye & Ear Infirmary and Harvard Medical School, Boston, MA, United States
| | - Sejiro Littleton
- Duke Department of Ophthalmology, Duke Eye Center, Durham, NC, United States
| | - Daniel Saban
- Duke Department of Ophthalmology, Duke Eye Center, Durham, NC, United States
| | - Mihaela Gadjeva
- Division of Infectious Diseases, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, United States
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42
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Lavoie S, Chun E, Bae S, Brennan CA, Gallini Comeau CA, Lang JK, Michaud M, Hoveyda HR, Fraser GL, Fuller MH, Layden BT, Glickman JN, Garrett WS. Expression of Free Fatty Acid Receptor 2 by Dendritic Cells Prevents Their Expression of Interleukin 27 and Is Required for Maintenance of Mucosal Barrier and Immune Response Against Colorectal Tumors in Mice. Gastroenterology 2020; 158:1359-1372.e9. [PMID: 31917258 PMCID: PMC7291292 DOI: 10.1053/j.gastro.2019.12.027] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 12/14/2019] [Accepted: 12/18/2019] [Indexed: 12/14/2022]
Abstract
BACKGROUND & AIMS Intestinal microbes and their metabolites affect the development of colorectal cancer (CRC). Short-chain fatty acids are metabolites generated by intestinal microbes from dietary fiber. We investigated the mechanisms by which free fatty acid receptor 2 (FFAR2), a receptor for short-chain fatty acids that can affect the composition of the intestinal microbiome, contributes to the pathogenesis of CRC. METHODS We performed studies with ApcMin/+ mice, ApcMin/+Ffar2-/- mice, mice with conditional disruption of Ffar2 in dendritic cells (DCs) (Ffar2fl/flCD11c-Cre mice), ApcMin/+Ffar2fl/flCD11c-Cre mice, and Ffar2fl/fl mice (controls); some mice were given dextran sodium sulfate to induce colitis, with or without a FFAR2 agonist or an antibody against interleukin 27 (IL27). Colon and tumor tissues were analyzed by histology, quantitative polymerase chain reaction, and 16S ribosomal RNA gene sequencing; lamina propria and mesenteric lymph node tissues were analyzed by RNA sequencing and flow cytometry. Intestinal permeability was measured after gavage with fluorescently labeled dextran. We collected data on colorectal tumors from The Cancer Genome Atlas. RESULTS ApcMin/+Ffar2-/- mice developed significantly more spontaneous colon tumors than ApcMin/+ mice and had increased gut permeability before tumor development, associated with reduced expression of E-cadherin. Colon tumors from ApcMin/+Ffar2-/- mice had a higher number of bacteria than tumors from ApcMin/+ mice, as well as higher frequencies of CD39+CD8+ T cells and exhausted or dying T cells. DCs from ApcMin/+Ffar2-/- mice had an altered state of activation, increased death, and higher production of IL27. Administration of an antibody against IL27 reduced the numbers of colon tumors in ApcMin/+ mice with colitis. Frequencies of CD39+CD8+ T cells and IL27+ DCs were increased in colon lamina propria from Ffar2fl/flCD11c-Cre mice with colitis compared with control mice or mice without colitis. ApcMin/+Ffar2fl/flCD11c-Cre mice developed even more tumors than ApcMin/+Ffar2fl/fl mice, and their tumors had even higher numbers of IL27+ DCs. ApcMin/+ mice with colitis given the FFAR2 agonist developed fewer colon tumors, with fewer IL27+ DCs, than mice not given the agonist. DCs incubated with the FFAR2 agonist no longer had gene expression patterns associated with activation or IL27 production. CONCLUSIONS Loss of FFAR2 promotes colon tumorigenesis in mice by reducing gut barrier integrity, increasing tumor bacterial load, promoting exhaustion of CD8+ T cells, and overactivating DCs, leading to their death. Antibodies against IL27 and an FFAR2 agonist reduce tumorigenesis in mice and might be developed for the treatment of CRC.
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Affiliation(s)
- Sydney Lavoie
- Departments of Immunology and Infectious Diseases and Genetics and Complex Diseases, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
| | - Eunyoung Chun
- Departments of Immunology and Infectious Diseases and Genetics and Complex Diseases, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
| | - Sena Bae
- Departments of Immunology and Infectious Diseases and Genetics and Complex Diseases, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
| | - Caitlin A Brennan
- Departments of Immunology and Infectious Diseases and Genetics and Complex Diseases, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
| | - Carey Ann Gallini Comeau
- Departments of Immunology and Infectious Diseases and Genetics and Complex Diseases, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
| | - Jessica K Lang
- Departments of Immunology and Infectious Diseases and Genetics and Complex Diseases, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
| | - Monia Michaud
- Departments of Immunology and Infectious Diseases and Genetics and Complex Diseases, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
| | | | | | - Miles H Fuller
- Division of Endocrinology, Diabetes, and Metabolism, University of Illinois at Chicago, Chicago, Illinois
| | - Brian T Layden
- Division of Endocrinology, Diabetes, and Metabolism, University of Illinois at Chicago, Chicago, Illinois; Jesse Brown Veterans Affairs Medical Center, Chicago, Illinois
| | - Jonathan N Glickman
- Department of Pathology, Harvard Medical School, Boston, Massachusetts; Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Wendy S Garrett
- Departments of Immunology and Infectious Diseases and Genetics and Complex Diseases, Harvard T. H. Chan School of Public Health, Boston, Massachusetts; Broad Institute of Harvard and MIT, Cambridge, Massachusetts; Department and Division of Medical Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, Massachusetts.
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43
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Schorer M, Lambert K, Rakebrandt N, Rost F, Kao KC, Yermanos A, Spörri R, Oderbolz J, Raeber ME, Keller CW, Lünemann JD, Rogler G, Boyman O, Oxenius A, Joller N. Rapid expansion of Treg cells protects from collateral colitis following a viral trigger. Nat Commun 2020; 11:1522. [PMID: 32251280 PMCID: PMC7090079 DOI: 10.1038/s41467-020-15309-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Accepted: 02/28/2020] [Indexed: 12/12/2022] Open
Abstract
Foxp3+ regulatory T (Treg) cells are essential for maintaining peripheral tolerance and preventing autoimmunity. While genetic factors may predispose for autoimmunity, additional environmental triggers, such as viral infections, are usually required to initiate the onset of disease. Here, we show that viral infection with LCMV results in type I IFN-dependent Treg cell loss that is rapidly compensated by the conversion and expansion of Vβ5+ conventional T cells into iTreg cells. Using Vβ5-deficient mice, we show that these Vβ5+ iTreg cells are dispensable for limiting anti-viral immunity. Rather, the delayed replenishment of Treg cells in Vβ5-deficient mice compromises suppression of microbiota-dependent activation of CD8+ T cells, resulting in colitis. Importantly, recovery from clinical symptoms in IBD patients is marked by expansion of the corresponding Vβ2+ Treg population in humans. Collectively, we provide a link between a viral trigger and an impaired Treg cell compartment resulting in the initiation of immune pathology.
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Affiliation(s)
- Michelle Schorer
- Institute of Experimental Immunology, University of Zurich, Winterthurerstrasse 190, 8057, Zurich, Switzerland
| | - Katharina Lambert
- Institute of Experimental Immunology, University of Zurich, Winterthurerstrasse 190, 8057, Zurich, Switzerland
- Benaroya Research Institute at Virginia Mason, Seattle, WA, 98101, USA
| | - Nikolas Rakebrandt
- Institute of Experimental Immunology, University of Zurich, Winterthurerstrasse 190, 8057, Zurich, Switzerland
| | - Felix Rost
- Institute of Experimental Immunology, University of Zurich, Winterthurerstrasse 190, 8057, Zurich, Switzerland
| | - Kung-Chi Kao
- Institute of Experimental Immunology, University of Zurich, Winterthurerstrasse 190, 8057, Zurich, Switzerland
| | - Alexander Yermanos
- Institute of Microbiology, ETH Zurich, Vladimir-Prelog-Weg 1-5/10, 8093, Zurich, Switzerland
- Laboratory for Systems and Synthetic Immunology, D-BSSE, ETH Zurich, 4058, Basel, Switzerland
| | - Roman Spörri
- Institute of Microbiology, ETH Zurich, Vladimir-Prelog-Weg 1-5/10, 8093, Zurich, Switzerland
| | - Josua Oderbolz
- Institute of Microbiology, ETH Zurich, Vladimir-Prelog-Weg 1-5/10, 8093, Zurich, Switzerland
| | - Miro E Raeber
- Department of Immunology, University Hospital Zurich, Häldeliweg 4, 8044, Zurich, Switzerland
| | - Christian W Keller
- Institute of Experimental Immunology, University of Zurich, Winterthurerstrasse 190, 8057, Zurich, Switzerland
- Department of Neurology with Institute of Translational Neurology, University Hospital Munster, 48149, Munster, Germany
| | - Jan D Lünemann
- Institute of Experimental Immunology, University of Zurich, Winterthurerstrasse 190, 8057, Zurich, Switzerland
- Department of Neurology with Institute of Translational Neurology, University Hospital Munster, 48149, Munster, Germany
| | - Gerhard Rogler
- Department of Gastroenterology and Hepatology, University Hospital Zurich, Rämistrasse 100, 8091, Zurich, Switzerland
| | - Onur Boyman
- Department of Immunology, University Hospital Zurich, Häldeliweg 4, 8044, Zurich, Switzerland
- Faculty of Medicine, University of Zurich, Pestalozzistrasse 3/5, 8091, Zurich, Switzerland
| | - Annette Oxenius
- Institute of Microbiology, ETH Zurich, Vladimir-Prelog-Weg 1-5/10, 8093, Zurich, Switzerland
| | - Nicole Joller
- Institute of Experimental Immunology, University of Zurich, Winterthurerstrasse 190, 8057, Zurich, Switzerland.
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Saferding V, Blüml S. Innate immunity as the trigger of systemic autoimmune diseases. J Autoimmun 2019; 110:102382. [PMID: 31883831 DOI: 10.1016/j.jaut.2019.102382] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2019] [Accepted: 12/09/2019] [Indexed: 12/12/2022]
Abstract
The innate immune system consists of a variety of elements controlling and participating in virtually all aspects of inflammation and immunity. It is crucial for host defense, but on the other hand its improper activation is also thought to be responsible for the generation of autoimmunity and therefore diseases such as autoimmune arthritides like rheumatoid arthritis (RA), systemic lupus erythematosus (SLE), multiple sclerosis (MS) or inflammatory bowel disease. The innate immune system stands both at the beginning as well as the end of autoimmunity. On one hand, it regulates the activation of the adaptive immune system and the breach of self-tolerance, as antigen presenting cells (APCs), especially dendritic cells, are essential for the activation of naïve antigen specific T cells, a crucial step in the development of autoimmunity. Various factors controlling the function of dendritic cells have been identified that directly regulate lymphocyte homeostasis and in some instances the generation of organ specific autoimmunity. Moreover, microbial cues have been identified that are prerequisites for the generation of several specific autoimmune diseases. On the other hand, the innate immune system is also responsible for mediating the resulting organ damage underlying the clinical symptoms of a given autoimmune disease via production of proinflammatory cytokines that amplify local inflammation and further activate other immune or parenchymal cells in the vicinity, the generation of matrix degrading and proteolytic enzymes or reactive oxygen species directly causing tissue damage. In the last decades, molecular characterization of cell types and their subsets as well as both positive and negative regulators of immunity has led to the generation of various scenarios of how autoimmunity develops, which eventually might lead to the development of targeted interventions for autoimmune diseases. In this review, we try to summarize the elements that are contributing to the initiation and perpetuation of autoimmune responses.
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Affiliation(s)
| | - Stephan Blüml
- Department of Rheumatology, Medical University Vienna, Austria.
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45
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Affiliation(s)
- Boris Reizis
- Department of Pathology, New York University School of Medicine, New York, NY 10016, USA.
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46
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Abstract
Intravital microscopy is a powerful technique to observe dynamic processes with single-cell resolution in live animals. No intravital window has been developed for imaging the colon due to its anatomic location and motility, although the colon is a key organ where the majority of microbiota reside and common diseases such as inflammatory bowel disease, functional gastrointestinal disorders, and colon cancer occur. Here we describe an intravital murine colonic window with a stabilizing ferromagnetic scaffold for chronic imaging, minimizing motion artifacts while maximizing long-term survival by preventing colonic obstruction. Using this setup, we image fluorescently-labeled stem cells, bacteria, and immune cells in live animal colons. Furthermore, we image nerve activity via calcium imaging in real time to demonstrate that electrical sacral nerve stimulation can activate colonic enteric neurons. The simple implantable apparatus enables visualization of live processes in the colon, which will open the window to a broad range of studies. Performing intravital imaging of the colon in mouse models is challenging due to the colon’s anatomic location and motility. Here, the authors develop a murine colonic window for intravital chronic imaging that maximises long-term animal survival and minimises motion artefacts.
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47
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Tan P, He L, Xing C, Mao J, Yu X, Zhu M, Diao L, Han L, Zhou Y, You MJ, Wang HY, Wang RF. Myeloid loss of Beclin 1 promotes PD-L1hi precursor B cell lymphoma development. J Clin Invest 2019; 129:5261-5277. [PMID: 31503548 PMCID: PMC6877338 DOI: 10.1172/jci127721] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Accepted: 08/29/2019] [Indexed: 12/26/2022] Open
Abstract
Beclin 1 (Becn1) is a key molecule in the autophagy pathway and has been implicated in cancer development. Due to the embryonic lethality of homozygous Becn1-deficient mice, the precise mechanisms and cell type-specific roles of Becn1 in regulating inflammation and cancer immunity remain elusive. Here, we report that myeloid-deficient Becn1 (Becn1ΔM) mice developed neutrophilia, were hypersusceptible to LPS-induced septic shock, and had a high risk of developing spontaneous precursor B cell (pre-B cell) lymphoma with elevated expression of immunosuppressive molecules programmed death ligand 1 (PD-L1) and IL-10. Becn1 deficiency resulted in the stabilization of MEKK3 and aberrant p38 activation in neutrophils, and mediated neutrophil-B cell interaction through Cxcl9/Cxcr3 chemotaxis. Neutrophil-B cell interplay further led to the activation of IL-21/STAT3/IRF1 and CD40L/ERK signaling and PD-L1 expression; therefore, it suppressed CD8+ T cell function. Ablation of p38 in Becn1ΔM mice prevented neutrophil inflammation and B cell tumorigenesis. Importantly, the low expression of Becn1 in human neutrophils was significantly correlated with the PD-L1 levels in pre-B acute lymphoblastic lymphoma (ALL) patients. Our findings have identified myeloid Becn1 as a key regulator of cancer immunity and therapeutic target for pre-B cell lymphomas.
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Affiliation(s)
- Peng Tan
- Center for Inflammation and Epigenetics, Houston Methodist Research Institute, Houston, Texas, USA
- Institute of Biosciences and Technology, College of Medicine, Texas A&M University, Houston, Texas, USA
| | - Lian He
- Institute of Biosciences and Technology, College of Medicine, Texas A&M University, Houston, Texas, USA
| | - Changsheng Xing
- Center for Inflammation and Epigenetics, Houston Methodist Research Institute, Houston, Texas, USA
| | - Jingrong Mao
- Center for Inflammation and Epigenetics, Houston Methodist Research Institute, Houston, Texas, USA
- Xiangya Hospital, Central South University, Changsha, China
| | - Xiao Yu
- Center for Inflammation and Epigenetics, Houston Methodist Research Institute, Houston, Texas, USA
| | - Motao Zhu
- Center for Inflammation and Epigenetics, Houston Methodist Research Institute, Houston, Texas, USA
| | - Lixia Diao
- Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Leng Han
- Department of Biochemistry and Molecular Biology, The University of Texas Health Science Center at Houston McGovern Medical School, Houston, Texas, USA
| | - Yubin Zhou
- Institute of Biosciences and Technology, College of Medicine, Texas A&M University, Houston, Texas, USA
| | - M. James You
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Helen Y. Wang
- Center for Inflammation and Epigenetics, Houston Methodist Research Institute, Houston, Texas, USA
| | - Rong-Fu Wang
- Center for Inflammation and Epigenetics, Houston Methodist Research Institute, Houston, Texas, USA
- Institute of Biosciences and Technology, College of Medicine, Texas A&M University, Houston, Texas, USA
- Department of Microbiology and Immunology, Weill Cornell Medical College, Cornell University, New York, New York, USA
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48
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Frizinsky S, Haj-Yahia S, Machnes Maayan D, Lifshitz Y, Maoz-Segal R, Offengenden I, Kidon M, Agmon-Levin N. The innate immune perspective of autoimmune and autoinflammatory conditions. Rheumatology (Oxford) 2019; 58:vi1-vi8. [PMID: 31769855 PMCID: PMC6878844 DOI: 10.1093/rheumatology/kez387] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 08/01/2019] [Accepted: 08/19/2019] [Indexed: 12/14/2022] Open
Abstract
Innate immunity is one of two immune defence system arms. It is present at birth and does not require 'learning' through exposure to foreign organisms. It activates various mechanisms collectively to eliminate pathogens and hold an infection until the adaptive response are mounted. The innate immune system consists of four elements: the epithelial barrier, cells (e.g. macrophages, NK cells), plasma proteins (e.g. complement) and cytokines. These components act in concert to induce complex processes, as well as recruitment, activation and differentiation of adaptive responses. The innate response is more than just the 'first line of defence', as it essentially withholds the vast majority of any intruder, has a complex interplay with the adaptive arm and is crucial for survival of the host. Finally, yet importantly, a myriad of diseases has been linked with innate immune dysregulation. In this mini-review we will shed some light on these conditions, particularly regarding autoinflammatory ones.
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Affiliation(s)
- Shirly Frizinsky
- Clinical Immunology, Angioedema and Allergy Unit, The Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel Hashomer, Tel Aviv, Israel
| | - Soad Haj-Yahia
- Clinical Immunology, Angioedema and Allergy Unit, The Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel Hashomer, Tel Aviv, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Diti Machnes Maayan
- Clinical Immunology, Angioedema and Allergy Unit, The Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel Hashomer, Tel Aviv, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Yulia Lifshitz
- Clinical Immunology, Angioedema and Allergy Unit, The Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel Hashomer, Tel Aviv, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Ramit Maoz-Segal
- Clinical Immunology, Angioedema and Allergy Unit, The Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel Hashomer, Tel Aviv, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Irean Offengenden
- Clinical Immunology, Angioedema and Allergy Unit, The Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel Hashomer, Tel Aviv, Israel
| | - Mona Kidon
- Clinical Immunology, Angioedema and Allergy Unit, The Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel Hashomer, Tel Aviv, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Nancy Agmon-Levin
- Clinical Immunology, Angioedema and Allergy Unit, The Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel Hashomer, Tel Aviv, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
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49
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Du SW, Arkatkar T, Al Qureshah F, Jacobs HM, Thouvenel CD, Chiang K, Largent AD, Li QZ, Hou B, Rawlings DJ, Jackson SW. Functional Characterization of CD11c + Age-Associated B Cells as Memory B Cells. THE JOURNAL OF IMMUNOLOGY 2019; 203:2817-2826. [PMID: 31636237 DOI: 10.4049/jimmunol.1900404] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Accepted: 09/24/2019] [Indexed: 12/25/2022]
Abstract
Age-associated B cells (ABCs) are a unique subset of B cells defined by surface CD11b and CD11c expression. Although ABC expansion has been observed in both human and animal studies in the setting of advanced age, during humoral autoimmunity and following viral infection, the functional properties of this cellular subset remain incompletely defined. In the current study, we demonstrate that ABCs fulfill the criteria for memory B cells (MBCs), based on evidence of Ag-dependent expansion and persistence in a state poised for rapid differentiation into Ab-secreting plasma cells during secondary responses. First, we show that a majority of ABCs are not actively cycling but exhibit an extensive replication history consistent with prior Ag engagement. Second, despite unswitched surface IgM expression, ABCs show evidence of activation-induced cytidine deaminase (AID)-dependent somatic hypermutation. Third, BCRs cloned from sorted ABCs exhibit broad autoreactivity and polyreactivity. Although the overall level of ABC self-reactivity was not increased relative to naive B cells, ABCs lacked features of functional anergy characteristic of autoreactive B cells. Fourth, ABCs express MBC surface markers consistent with being poised for rapid plasma cell differentiation during recall responses. Finally, in a murine model of viral infection, adoptively transferred CD11c+ B cells rapidly differentiated into class-switched Ab-secreting cells upon Ag rechallenge. In summary, we phenotypically and functionally characterize ABCs as IgM-expressing MBCs, findings that together implicate ABCs in the pathogenesis of systemic autoimmunity.
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Affiliation(s)
- Samuel W Du
- Seattle Children's Research Institute, Seattle, WA 98101
| | - Tanvi Arkatkar
- Seattle Children's Research Institute, Seattle, WA 98101
| | - Fahd Al Qureshah
- Seattle Children's Research Institute, Seattle, WA 98101.,King Abdulaziz City for Science and Technology, Riyadh 12354, Saudi Arabia.,Department of Immunology, University of Washington School of Medicine, Seattle, WA 98109
| | - Holly M Jacobs
- Seattle Children's Research Institute, Seattle, WA 98101
| | | | - Kristy Chiang
- Seattle Children's Research Institute, Seattle, WA 98101
| | | | - Quan-Zhen Li
- Department of Immunology, University of Texas Southwestern Medical Center, Dallas, TX 75390
| | - Baidong Hou
- Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China; and
| | - David J Rawlings
- Seattle Children's Research Institute, Seattle, WA 98101.,Department of Immunology, University of Washington School of Medicine, Seattle, WA 98109.,Department of Pediatrics, University of Washington School of Medicine, Seattle, WA 98195
| | - Shaun W Jackson
- Seattle Children's Research Institute, Seattle, WA 98101; .,Department of Pediatrics, University of Washington School of Medicine, Seattle, WA 98195
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50
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Ban T, Sato GR, Tamura T. Regulation and role of the transcription factor IRF5 in innate immune responses and systemic lupus erythematosus. Int Immunol 2019; 30:529-536. [PMID: 29860420 DOI: 10.1093/intimm/dxy032] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Accepted: 05/29/2018] [Indexed: 02/07/2023] Open
Abstract
The transcription factor interferon regulatory factor-5 (IRF5) plays an important role in innate immune responses via the TLR-MyD88 (Toll-like receptor - myeloid differentiation primary response 88) pathway. IRF5 is also involved in the pathogenesis of the autoimmune disease systemic lupus erythematosus (SLE). Recent studies have identified new regulators, both positive and negative, which act on IRF5 activation events in the TLR-MyD88 pathway such as post-translational modifications, dimerization and nuclear translocation. A model of the causal relationship between IRF5 activation and SLE pathogenesis proposes that a loss of the negative regulation of IRF5 causes its hyperactivation, resulting in hyperproduction of type I interferons and other cytokines, and ultimately in the development of SLE. Importantly, to our knowledge, all murine models of SLE studied thus far have shown that IRF5 is required for the pathogenesis of SLE-like diseases. During the development of SLE-like diseases, IRF5 plays key roles in various cell types, including dendritic cells and B cells. It is noteworthy that the onset of SLE-like diseases can be inhibited by reducing the activity or amount of IRF5 by half. Therefore, IRF5 is an important therapeutic target of SLE, and selective suppression of its activity and expression may potentially lead to the development of new therapies.
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Affiliation(s)
- Tatsuma Ban
- Department of Immunology, Yokohama City University Graduate School of Medicine, Kanazawa-ku, Yokohama, Japan
| | - Go R Sato
- Department of Immunology, Yokohama City University Graduate School of Medicine, Kanazawa-ku, Yokohama, Japan
| | - Tomohiko Tamura
- Department of Immunology, Yokohama City University Graduate School of Medicine, Kanazawa-ku, Yokohama, Japan
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