1
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Zhou W, Tang Q, Wang S, Ding L, Chen M, Liu H, Wu Y, Xiong X, Shen Z, Chen W. Local thiamet-G delivery by a thermosensitive hydrogel confers ischemic cardiac repair via myeloid M2-like activation in a STAT6 O-GlcNAcylation-dependent manner. Int Immunopharmacol 2024; 131:111883. [PMID: 38503016 DOI: 10.1016/j.intimp.2024.111883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 03/06/2024] [Accepted: 03/13/2024] [Indexed: 03/21/2024]
Abstract
Infarct healing requires a dynamic and orchestrated inflammatory reaction following myocardial infarction (MI). While an uncontrolled excessive inflammatory response exaggerates ischemic injury post-MI, M2-like reparative macrophages may facilitate inflammation regression and promote myocardial healing. However, how protein post-translational modification regulates post-MI cardiac repair and dynamic myeloid activation remains unknown. Here we show that M2-like reparative, but not M1-like inflammatory activation, is enhanced by pharmacologically-induced hyper-O-GlcNAcylation. Mechanistically, myeloid knockdown of O-GlcNAc hydrolase O-GlcNAcase (Oga), which also results in hyper-O-GlcNAcylation, positively regulates M2-like activation in a STAT6-dependent fashion, which is controlled by O-GlcNAcylation of STAT6. Of note, both systemic and local supplementation of thiamet-G (TMG), an Oga inhibitor, effectively facilitates cardiac recovery in mice by elevating the accumulation of M2-like macrophages in infarcted hearts. Our study provides a novel clue for monocyte/macrophage modulating therapies aimed at reducing post-MI hyperinflammation in ischemic myocardium.
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Affiliation(s)
- Wenjing Zhou
- Department of Cardiovascular Surgery of the First Affiliated Hospital & Institute for Cardiovascular Science, Medical College, Soochow University, Suzhou, China; School of Life Science, Tianjin University, Tianjin, China
| | - Qingsong Tang
- Department of Cardiovascular Surgery of the First Affiliated Hospital & Institute for Cardiovascular Science, Medical College, Soochow University, Suzhou, China
| | - Shengnan Wang
- Department of Cardiovascular Surgery of the First Affiliated Hospital & Institute for Cardiovascular Science, Medical College, Soochow University, Suzhou, China
| | - Liang Ding
- Department of Cardiovascular Surgery of the First Affiliated Hospital & Institute for Cardiovascular Science, Medical College, Soochow University, Suzhou, China
| | - Ming Chen
- Department of Cardiovascular Surgery of the First Affiliated Hospital & Institute for Cardiovascular Science, Medical College, Soochow University, Suzhou, China
| | - Hongman Liu
- Department of Cardiology, the First Affiliated Hospital of Soochow University, Suzhou, China; Department of Cardiovascular Medicine, the Affiliated Taian City Central Hospital of Qingdao University, Taian, China
| | - Yong Wu
- Department of Cardiovascular Surgery of the First Affiliated Hospital & Institute for Cardiovascular Science, Medical College, Soochow University, Suzhou, China
| | - Xiwen Xiong
- School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, China
| | - Zhenya Shen
- Department of Cardiovascular Surgery of the First Affiliated Hospital & Institute for Cardiovascular Science, Medical College, Soochow University, Suzhou, China.
| | - Weiqian Chen
- Department of Cardiovascular Surgery of the First Affiliated Hospital & Institute for Cardiovascular Science, Medical College, Soochow University, Suzhou, China.
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2
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Zhu C, Xu S, Jiang R, Yu Y, Bian J, Zou Z. The gasdermin family: emerging therapeutic targets in diseases. Signal Transduct Target Ther 2024; 9:87. [PMID: 38584157 PMCID: PMC10999458 DOI: 10.1038/s41392-024-01801-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 03/03/2024] [Accepted: 03/05/2024] [Indexed: 04/09/2024] Open
Abstract
The gasdermin (GSDM) family has garnered significant attention for its pivotal role in immunity and disease as a key player in pyroptosis. This recently characterized class of pore-forming effector proteins is pivotal in orchestrating processes such as membrane permeabilization, pyroptosis, and the follow-up inflammatory response, which are crucial self-defense mechanisms against irritants and infections. GSDMs have been implicated in a range of diseases including, but not limited to, sepsis, viral infections, and cancer, either through involvement in pyroptosis or independently of this process. The regulation of GSDM-mediated pyroptosis is gaining recognition as a promising therapeutic strategy for the treatment of various diseases. Current strategies for inhibiting GSDMD primarily involve binding to GSDMD, blocking GSDMD cleavage or inhibiting GSDMD-N-terminal (NT) oligomerization, albeit with some off-target effects. In this review, we delve into the cutting-edge understanding of the interplay between GSDMs and pyroptosis, elucidate the activation mechanisms of GSDMs, explore their associations with a range of diseases, and discuss recent advancements and potential strategies for developing GSDMD inhibitors.
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Affiliation(s)
- Chenglong Zhu
- Faculty of Anesthesiology, Changhai Hospital, Naval Medical University, Shanghai, 200433, China
- School of Anesthesiology, Naval Medical University, Shanghai, 200433, China
| | - Sheng Xu
- National Key Laboratory of Immunity & Inflammation, Naval Medical University, Shanghai, 200433, China
| | - Ruoyu Jiang
- School of Anesthesiology, Naval Medical University, Shanghai, 200433, China
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Naval Medical University, Shanghai, 200433, China
| | - Yizhi Yu
- National Key Laboratory of Immunity & Inflammation, Naval Medical University, Shanghai, 200433, China.
| | - Jinjun Bian
- Faculty of Anesthesiology, Changhai Hospital, Naval Medical University, Shanghai, 200433, China.
| | - Zui Zou
- Faculty of Anesthesiology, Changhai Hospital, Naval Medical University, Shanghai, 200433, China.
- School of Anesthesiology, Naval Medical University, Shanghai, 200433, China.
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3
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Yang L, He H, Guo XK, Wang J, Wang W, Li D, Liang S, Shao F, Liu W, Hu X. Intraepithelial mast cells drive gasdermin C-mediated type 2 immunity. Immunity 2024:S1074-7613(24)00138-9. [PMID: 38614091 DOI: 10.1016/j.immuni.2024.03.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 12/31/2023] [Accepted: 03/19/2024] [Indexed: 04/15/2024]
Abstract
A specialized population of mast cells residing within epithelial layers, currently known as intraepithelial mast cells (IEMCs), was originally observed over a century ago, yet their physiological functions have remained enigmatic. In this study, we unveil an unexpected and crucial role of IEMCs in driving gasdermin C-mediated type 2 immunity. During helminth infection, αEβ7 integrin-positive IEMCs engaged in extensive intercellular crosstalk with neighboring intestinal epithelial cells (IECs). Through the action of IEMC-derived proteases, gasdermin C proteins intrinsic to the epithelial cells underwent cleavage, leading to the release of a critical type 2 cytokine, interleukin-33 (IL-33). Notably, mast cell deficiency abolished the gasdermin C-mediated immune cascade initiated by epithelium. These findings shed light on the functions of IEMCs, uncover a previously unrecognized phase of type 2 immunity involving mast cell-epithelial cell crosstalk, and advance our understanding of the cellular mechanisms underlying gasdermin C activation.
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Affiliation(s)
- Liu Yang
- Institute for Immunology, Tsinghua University, Beijing, China; School of Basic Medical Sciences, Tsinghua University, Beijing, China; Tsinghua-Peking Center for Life Sciences, Beijing, China; Beijing Key Laboratory for Immunological Research on Chronic Diseases, Beijing, China
| | - Huabin He
- National Institute of Biological Sciences, Beijing, China
| | - Xue-Kun Guo
- Chinese Institutes for Medical Research, Beijing, China
| | - Jiali Wang
- Institute for Immunology, Tsinghua University, Beijing, China; School of Basic Medical Sciences, Tsinghua University, Beijing, China; Beijing Key Laboratory for Immunological Research on Chronic Diseases, Beijing, China
| | - Wenwen Wang
- Institute for Immunology, Tsinghua University, Beijing, China; School of Basic Medical Sciences, Tsinghua University, Beijing, China; Tsinghua-Peking Center for Life Sciences, Beijing, China; Beijing Key Laboratory for Immunological Research on Chronic Diseases, Beijing, China
| | - Da Li
- National Institute of Biological Sciences, Beijing, China
| | - Shaonan Liang
- Institute for Immunology, Tsinghua University, Beijing, China; School of Basic Medical Sciences, Tsinghua University, Beijing, China; Beijing Key Laboratory for Immunological Research on Chronic Diseases, Beijing, China
| | - Feng Shao
- National Institute of Biological Sciences, Beijing, China; Tsinghua Institute of Multidisciplinary Biomedical Research, Tsinghua University, Beijing, China
| | - Wanli Liu
- Institute for Immunology, Tsinghua University, Beijing, China; Tsinghua-Peking Center for Life Sciences, Beijing, China; Beijing Key Laboratory for Immunological Research on Chronic Diseases, Beijing, China; School of Life Sciences, Tsinghua University, Beijing, China; The State Key Laboratory of Membrane Biology, Beijing, China
| | - Xiaoyu Hu
- Institute for Immunology, Tsinghua University, Beijing, China; School of Basic Medical Sciences, Tsinghua University, Beijing, China; Tsinghua-Peking Center for Life Sciences, Beijing, China; Beijing Key Laboratory for Immunological Research on Chronic Diseases, Beijing, China; The State Key Laboratory of Membrane Biology, Beijing, China.
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4
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Colón DF, Wanderley CW, Turato WM, Borges VF, Franchin M, Castanheira FVS, Nascimento D, Prado D, Haruo Fernandes de Lima M, Volpon LC, Kavaguti SK, Carlotti AP, Carmona F, Franklin BS, Cunha TM, Alves-Filho JC, Cunha FQ. Paediatric sepsis survivors are resistant to sepsis-induced long-term immune dysfunction. Br J Pharmacol 2024; 181:1308-1323. [PMID: 37990806 DOI: 10.1111/bph.16286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 07/19/2023] [Accepted: 08/17/2023] [Indexed: 11/23/2023] Open
Abstract
BACKGROUND AND PURPOSE Sepsis-surviving adult individuals commonly develop immunosuppression and increased susceptibility to secondary infections, an outcome mediated by the axis IL-33/ILC2s/M2 macrophages/Tregs. Nonetheless, the long-term immune consequences of paediatric sepsis are indeterminate. We sought to investigate the role of age in the genesis of immunosuppression following sepsis. EXPERIMENTAL APPROACH Here, we compared the frequency of Tregs, the activation of the IL-33/ILC2s axis in M2 macrophages and the DNA methylation of epithelial lung cells from post-septic infant and adult mice. Likewise, sepsis-surviving mice were inoculated intranasally with Pseudomonas aeruginosa or by subcutaneous inoculation of the B16 melanoma cell line. Finally, blood samples from sepsis-surviving patients were collected and the concentration of IL-33 and Tregs frequency were assessed. KEY RESULTS In contrast to 6-week-old mice, 2-week-old mice were resistant to secondary infection and did not show impairment in tumour controls upon melanoma challenge. Mechanistically, increased IL-33 levels, Tregs expansion, and activation of ILC2s and M2-macrophages were observed in 6-week-old but not 2-week-old post-septic mice. Moreover, impaired IL-33 production in 2-week-old post-septic mice was associated with increased DNA methylation in lung epithelial cells. Notably, IL-33 treatment boosted the expansion of Tregs and induced immunosuppression in 2-week-old mice. Clinically, adults but not paediatric post-septic patients exhibited higher counts of Tregs and seral IL-33 levels. CONCLUSION AND IMPLICATIONS These findings demonstrate a crucial and age-dependent role for IL-33 in post-sepsis immunosuppression. Thus, a better understanding of this process may lead to differential treatments for adult and paediatric sepsis.
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Affiliation(s)
- David F Colón
- Center of Research in Inflammatory Diseases (CRID), University of São Paulo, Ribeirão Preto, Brazil
- Departments of Biochemistry and Immunology, University of São Paulo, Ribeirão Preto, Brazil
| | - Carlos W Wanderley
- Center of Research in Inflammatory Diseases (CRID), University of São Paulo, Ribeirão Preto, Brazil
- Department of Pharmacology, University of São Paulo, Ribeirão Preto, Brazil
| | - Walter M Turato
- Center of Research in Inflammatory Diseases (CRID), University of São Paulo, Ribeirão Preto, Brazil
| | - Vanessa F Borges
- Center of Research in Inflammatory Diseases (CRID), University of São Paulo, Ribeirão Preto, Brazil
- Department of Pharmacology, University of São Paulo, Ribeirão Preto, Brazil
| | - Marcelo Franchin
- School of Dentistry, Alfenas Federal University, Alfenas, Brazil
| | | | - Daniele Nascimento
- Center of Research in Inflammatory Diseases (CRID), University of São Paulo, Ribeirão Preto, Brazil
- Departments of Biochemistry and Immunology, University of São Paulo, Ribeirão Preto, Brazil
| | - Douglas Prado
- Center of Research in Inflammatory Diseases (CRID), University of São Paulo, Ribeirão Preto, Brazil
- Department of Pharmacology, University of São Paulo, Ribeirão Preto, Brazil
| | - Mikhael Haruo Fernandes de Lima
- Center of Research in Inflammatory Diseases (CRID), University of São Paulo, Ribeirão Preto, Brazil
- Departments of Biochemistry and Immunology, University of São Paulo, Ribeirão Preto, Brazil
| | - Leila C Volpon
- Department of Pediatrics, University of São Paulo, Ribeirão Preto, Brazil
| | - Silvia K Kavaguti
- Department of Pediatrics, University of São Paulo, Ribeirão Preto, Brazil
| | - Ana P Carlotti
- Physiology & Pharmacology Calgary, University of Calgary, Calgary, Canada
| | - Fabio Carmona
- Department of Pediatrics, University of São Paulo, Ribeirão Preto, Brazil
| | - Bernardo S Franklin
- Institute of Innate Immunity, Medical Faculty, University of Bonn, Bonn, Germany
| | - Thiago M Cunha
- Center of Research in Inflammatory Diseases (CRID), University of São Paulo, Ribeirão Preto, Brazil
- Department of Pharmacology, University of São Paulo, Ribeirão Preto, Brazil
| | - Jose Carlos Alves-Filho
- Center of Research in Inflammatory Diseases (CRID), University of São Paulo, Ribeirão Preto, Brazil
- Departments of Biochemistry and Immunology, University of São Paulo, Ribeirão Preto, Brazil
| | - Fernando Q Cunha
- Center of Research in Inflammatory Diseases (CRID), University of São Paulo, Ribeirão Preto, Brazil
- Department of Pharmacology, University of São Paulo, Ribeirão Preto, Brazil
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5
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Imre G. Pyroptosis in health and disease. Am J Physiol Cell Physiol 2024; 326:C784-C794. [PMID: 38189134 DOI: 10.1152/ajpcell.00503.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 01/03/2024] [Accepted: 01/03/2024] [Indexed: 01/09/2024]
Abstract
The field of cell death has witnessed significant advancements since the initial discovery of apoptosis in the 1970s. This review delves into the intricacies of pyroptosis, a more recently identified form of regulated, lytic cell death, and explores the roles of pyroptotic effector molecules, with a strong emphasis on their mechanisms and relevance in various diseases. Pyroptosis, characterized by its proinflammatory nature, is driven by the accumulation of large plasma membrane pores comprised of gasdermin family protein subunits. In different contexts of cellular homeostatic perturbations, infections, and tissue damage, proteases, such as caspase-1 and caspase-4/5, play pivotal roles in pyroptosis by cleaving gasdermins. Gasdermin-D (GSDMD), the most extensively studied member of the gasdermin protein family, is expressed in various immune cells and certain epithelial cells. Upon cleavage by caspases, GSDMD oligomerizes and forms transmembrane pores in the cell membrane, leading to the release of proinflammatory cytokines. GSDMD-N, the NH2-terminal fragment, displays an affinity for specific lipids, contributing to its role in pore formation in pyroptosis. While GSDMD is the primary focus, other gasdermin family members are also discussed in detail. These proteins exhibit distinct tissue-specific functions and contribute to different facets of cell death regulation. Additionally, genetic variations in some gasdermins have been linked to diseases, underscoring their clinical relevance. Furthermore, the interplay between GSDM pores and the activation of other effectors, such as ninjurin-1, is elucidated, providing insights into the complexity of pyroptosis regulation. The findings underscore the molecular mechanisms that govern pyroptosis and its implications for various physiological and pathological processes.
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Affiliation(s)
- Gergely Imre
- Department of Biology and Microbiology, South Dakota State University, Brookings, South Dakota, United States
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6
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Wolstenholme AJ, Andersen EC, Choudhary S, Ebner F, Hartmann S, Holden-Dye L, Kashyap SS, Krücken J, Martin RJ, Midha A, Nejsum P, Neveu C, Robertson AP, von Samson-Himmelstjerna G, Walker R, Wang J, Whitehead BJ, Williams PDE. Getting around the roundworms: Identifying knowledge gaps and research priorities for the ascarids. Adv Parasitol 2024; 123:51-123. [PMID: 38448148 DOI: 10.1016/bs.apar.2023.12.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/08/2024]
Abstract
The ascarids are a large group of parasitic nematodes that infect a wide range of animal species. In humans, they cause neglected diseases of poverty; many animal parasites also cause zoonotic infections in people. Control measures include hygiene and anthelmintic treatments, but they are not always appropriate or effective and this creates a continuing need to search for better ways to reduce the human, welfare and economic costs of these infections. To this end, Le Studium Institute of Advanced Studies organized a two-day conference to identify major gaps in our understanding of ascarid parasites with a view to setting research priorities that would allow for improved control. The participants identified several key areas for future focus, comprising of advances in genomic analysis and the use of model organisms, especially Caenorhabditis elegans, a more thorough appreciation of the complexity of host-parasite (and parasite-parasite) communications, a search for novel anthelmintic drugs and the development of effective vaccines. The participants agreed to try and maintain informal links in the future that could form the basis for collaborative projects, and to co-operate to organize future meetings and workshops to promote ascarid research.
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Affiliation(s)
- Adrian J Wolstenholme
- Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (INRAE), Université de Tours, ISP, Nouzilly, France.
| | - Erik C Andersen
- Department of Biology, Johns Hopkins University, Baltimore, MD, United States
| | - Shivani Choudhary
- Department of Biomedical Sciences, Iowa State University, Ames, IA, United States
| | - Friederike Ebner
- Department of Molecular Life Sciences, School of Life Sciences, Technische Universität München, Freising, Germany
| | - Susanne Hartmann
- Institute for Immunology, Freie Universität Berlin, Berlin, Germany
| | - Lindy Holden-Dye
- School of Biological Sciences, University of Southampton, Southampton, United Kingdom
| | - Sudhanva S Kashyap
- Department of Biomedical Sciences, Iowa State University, Ames, IA, United States
| | - Jürgen Krücken
- Institute for Parasitology and Tropical Veterinary Medicine, Freie Universität Berlin, Berlin, Germany
| | - Richard J Martin
- Department of Biomedical Sciences, Iowa State University, Ames, IA, United States
| | - Ankur Midha
- Institute for Immunology, Freie Universität Berlin, Berlin, Germany
| | - Peter Nejsum
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Cedric Neveu
- Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (INRAE), Université de Tours, ISP, Nouzilly, France
| | - Alan P Robertson
- Department of Biomedical Sciences, Iowa State University, Ames, IA, United States
| | | | - Robert Walker
- School of Biological Sciences, University of Southampton, Southampton, United Kingdom
| | - Jianbin Wang
- Department of Biochemistry & Cellular and Molecular Biology, University of Tennessee, Knoxville, TN, United States
| | | | - Paul D E Williams
- Department of Biomedical Sciences, Iowa State University, Ames, IA, United States
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Silverman JB, Vega PN, Tyska MJ, Lau KS. Intestinal Tuft Cells: Morphology, Function, and Implications for Human Health. Annu Rev Physiol 2024; 86:479-504. [PMID: 37863104 DOI: 10.1146/annurev-physiol-042022-030310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2023]
Abstract
Tuft cells are a rare and morphologically distinct chemosensory cell type found throughout many organs, including the gastrointestinal tract. These cells were identified by their unique morphologies distinguished by large apical protrusions. Ultrastructural data have begun to describe the molecular underpinnings of their cytoskeletal features, and tuft cell-enriched cytoskeletal proteins have been identified, although the connection of tuft cell morphology to tuft cell functionality has not yet been established. Furthermore, tuft cells display variations in function and identity between and within tissues, leading to the delineation of distinct tuft cell populations. As a chemosensory cell type, they display receptors that are responsive to ligands specific for their environment. While many studies have demonstrated the tuft cell response to protists and helminths in the intestine, recent research has highlighted other roles of tuft cells as well as implicated tuft cells in other disease processes including inflammation, cancer, and viral infections. Here, we review the literature on the cytoskeletal structure of tuft cells. Additionally, we focus on new research discussing tuft cell lineage, ligand-receptor interactions, tuft cell tropism, and the role of tuft cells in intestinal disease. Finally, we discuss the implication of tuft cell-targeted therapies in human health and how the morphology of tuft cells may contribute to their functionality.
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Affiliation(s)
- Jennifer B Silverman
- Epithelial Biology Center and Department of Cell and Developmental Biology, Vanderbilt University School of Medicine, Nashville, Tennessee, USA; ,
| | - Paige N Vega
- Epithelial Biology Center and Department of Cell and Developmental Biology, Vanderbilt University School of Medicine, Nashville, Tennessee, USA; ,
| | - Matthew J Tyska
- Epithelial Biology Center and Department of Cell and Developmental Biology, Vanderbilt University School of Medicine, Nashville, Tennessee, USA; ,
| | - Ken S Lau
- Epithelial Biology Center and Department of Cell and Developmental Biology, Vanderbilt University School of Medicine, Nashville, Tennessee, USA; ,
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8
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Lin Z, Chen Q, Ruan HB. To die or not to die: Gasdermins in intestinal health and disease. Semin Immunol 2024; 71:101865. [PMID: 38232665 PMCID: PMC10872225 DOI: 10.1016/j.smim.2024.101865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 01/04/2024] [Accepted: 01/09/2024] [Indexed: 01/19/2024]
Abstract
Intestinal homeostasis is achieved by the balance among intestinal epithelium, immune cells, and gut microbiota. Gasdermins (GSDMs), a family of membrane pore forming proteins, can trigger rapid inflammatory cell death in the gut, mainly pyroptosis and NETosis. Importantly, there is increasing literature on the non-cell lytic roles of GSDMs in intestinal homeostasis and disease. While GSDMA is low and PJVK is not expressed in the gut, high GSDMB and GSDMC expression is found almost restrictively in intestinal epithelial cells. Conversely, GSDMD and GSDME show more ubiquitous expression among various cell types in the gut. The N-terminal region of GSDMs can be liberated for pore formation by an array of proteases in response to pathogen- and danger-associated signals, but it is not fully understood what cell type-specific mechanisms activate intestinal GSDMs. The host relies on GSDMs for pathogen defense, tissue tolerance, and cancerous cell death; however, pro-inflammatory milieu caused by pyroptosis and excessive cytokine release may favor the development and progression of inflammatory bowel disease and cancer. Therefore, a thorough understanding of spatiotemporal mechanisms that control gasdermin expression, activation, and function is essential for the development of future therapeutics for intestinal disorders.
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Affiliation(s)
- Zhaoyu Lin
- MOE Key Laboratory of Model Animals for Disease Study, State Key Laboratory of Pharmaceutical Biotechnology, Model Animal Research Center, National Resource Center for Mutant Mice of China, Nanjing Drum Tower Hospital, Medical School, Nanjing University, Nanjing, China.
| | - Qianyue Chen
- MOE Key Laboratory of Model Animals for Disease Study, State Key Laboratory of Pharmaceutical Biotechnology, Model Animal Research Center, National Resource Center for Mutant Mice of China, Nanjing Drum Tower Hospital, Medical School, Nanjing University, Nanjing, China
| | - Hai-Bin Ruan
- Department of Integrative Biology and Physiology, University of Minnesota Medical School, Minneapolis, MN, USA; Center for Immunology, University of Minnesota Medical School, Minneapolis, MN, USA.
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9
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Hu YJ, Zhang X, Lv HM, Liu Y, Li SZ. Protein O-GlcNAcylation: The sweet hub in liver metabolic flexibility from a (patho)physiological perspective. Liver Int 2024; 44:293-315. [PMID: 38110988 DOI: 10.1111/liv.15812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 11/18/2023] [Accepted: 11/22/2023] [Indexed: 12/20/2023]
Abstract
O-GlcNAcylation is a dynamic, reversible and atypical O-glycosylation that regulates various cellular physiological processes via conformation, stabilisation, localisation, chaperone interaction or activity of target proteins. The O-GlcNAcylation cycle is precisely controlled by collaboration between O-GlcNAc transferase and O-GlcNAcase. Uridine-diphosphate-N-acetylglucosamine, the sole donor of O-GlcNAcylation produced by the hexosamine biosynthesis pathway, is controlled by the input of glucose, glutamine, acetyl coenzyme A and uridine triphosphate, making it a sensor of the fluctuation of molecules, making O-GlcNAcylation a pivotal nutrient sensor for the metabolism of carbohydrates, amino acids, lipids and nucleotides. O-GlcNAcylation, particularly prevalent in liver, is the core hub for controlling systemic glucose homeostasis due to its nutritional sensitivity and precise spatiotemporal regulation of insulin signal transduction. The pathology of various liver diseases has highlighted hepatic metabolic disorder and dysfunction, and abnormal O-GlcNAcylation also plays a specific pathological role in these processes. Therefore, this review describes the unique features of O-GlcNAcylation and its dynamic homeostasis maintenance. Additionally, it explains the underlying nutritional sensitivity of O-GlcNAcylation and discusses its mechanism of spatiotemporal modulation of insulin signal transduction and liver metabolic homeostasis during the fasting and feeding cycle. This review emphasises the pathophysiological implications of O-GlcNAcylation in nonalcoholic fatty liver disease, nonalcoholic steatohepatitis and hepatic fibrosis, and focuses on the adverse effects of hyper O-GlcNAcylation on liver cancer progression and metabolic reprogramming.
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Affiliation(s)
- Ya-Jie Hu
- Key Laboratory of Bovine Disease Control in Northeast China of Ministry of Agriculture and Rural affairs of the People's Republic of China, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Xu Zhang
- Key Laboratory of Bovine Disease Control in Northeast China of Ministry of Agriculture and Rural affairs of the People's Republic of China, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Hong-Ming Lv
- Key Laboratory of Bovine Disease Control in Northeast China of Ministry of Agriculture and Rural affairs of the People's Republic of China, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Yang Liu
- Key Laboratory of Bovine Disease Control in Northeast China of Ministry of Agriculture and Rural affairs of the People's Republic of China, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Shi-Ze Li
- Key Laboratory of Bovine Disease Control in Northeast China of Ministry of Agriculture and Rural affairs of the People's Republic of China, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
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10
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Lyu R, Wu J, He Y, You Q, Qian Y, Jiang N, Cai Y, Chen D, Wu Z. Folate supports IL-25-induced tuft cell expansion following enteroviral infections. FASEB J 2024; 38:e23430. [PMID: 38243751 DOI: 10.1096/fj.202301928r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 12/11/2023] [Accepted: 01/03/2024] [Indexed: 01/21/2024]
Abstract
Intestinal tuft cells, a kind of epithelial immune cells, rapidly expand in response to pathogenic infections, which is associated with infection-induced interleukin 25 (IL-25) upregulation. However, the metabolic mechanism of IL-25-induced tuft cell expansion is largely unknown. Folate metabolism provides essential purine and methyl substrates for cell proliferation and differentiation. Thus, we aim to investigate the roles of folate metabolism playing in IL-25-induced tuft cell expansion by enteroviral infection and recombinant murine IL-25 (rmIL-25) protein-stimulated mouse models. At present, enteroviruses, such as EV71, CVA16, CVB3, and CVB4, upregulated IL-25 expression and induced tuft cell expansion in the intestinal tissues of mice. However, EV71 did not induce intestinal tuft cell expansion in IL-25-/- mice. Interestingly, compared to the mock group, folate was enriched in the intestinal tissues of both the EV71-infected group and the rmIL-25 protein-stimulated group. Moreover, folate metabolism supported IL-25-induced tuft cell expansion since both folate-depletion and anti-folate MTX-treated mice had a disrupted tuft cell expansion in response to rmIL-25 protein stimulation. In summary, our data suggested that folate metabolism supported intestinal tuft cell expansion in response to enterovirus-induced IL-25 expression, which provided a new insight into the mechanisms of tuft cell expansion from the perspective of folate metabolism.
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Affiliation(s)
- Ruining Lyu
- Center for Public Health Research, Medical School, Nanjing University, Nanjing, China
| | - Jing Wu
- Center for Public Health Research, Medical School, Nanjing University, Nanjing, China
| | - Yating He
- Center for Public Health Research, Medical School, Nanjing University, Nanjing, China
| | - Qiao You
- Center for Public Health Research, Medical School, Nanjing University, Nanjing, China
| | - Yajie Qian
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Na Jiang
- Center for Public Health Research, Medical School, Nanjing University, Nanjing, China
| | - Yurong Cai
- School of Life Science, Ningxia University, Yinchuan, China
| | - Deyan Chen
- Center for Public Health Research, Medical School, Nanjing University, Nanjing, China
| | - Zhiwei Wu
- Center for Public Health Research, Medical School, Nanjing University, Nanjing, China
- School of Life Science, Ningxia University, Yinchuan, China
- State Key Laboratory of Analytical Chemistry for Life Science, Nanjing University, Nanjing, China
- Jiangsu Key Laboratory of Molecular Medicine, Medical School, Nanjing University, Nanjing, China
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11
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Abstract
Apoptosis, necroptosis, and pyroptosis are genetically programmed cell death mechanisms that eliminate obsolete, damaged, infected, and self-reactive cells. Apoptosis fragments cells in a manner that limits immune cell activation, whereas the lytic death programs of necroptosis and pyroptosis release proinflammatory intracellular contents. Apoptosis fine-tunes tissue architecture during mammalian development, promotes tissue homeostasis, and is crucial for averting cancer and autoimmunity. All three cell death mechanisms are deployed to thwart the spread of pathogens. Disabling regulators of cell death signaling in mice has revealed how excessive cell death can fuel acute or chronic inflammation. Here we review strategies for modulating cell death in the context of disease. For example, BCL-2 inhibitor venetoclax, an inducer of apoptosis, is approved for the treatment of certain hematologic malignancies. By contrast, inhibition of RIPK1, NLRP3, GSDMD, or NINJ1 to limit proinflammatory cell death and/or the release of large proinflammatory molecules from dying cells may benefit patients with inflammatory diseases.
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Affiliation(s)
- Nobuhiko Kayagaki
- Physiological Chemistry Department, Genentech, South San Francisco, California, USA;
| | - Joshua D Webster
- Pathology Department, Genentech, South San Francisco, California, USA
| | - Kim Newton
- Physiological Chemistry Department, Genentech, South San Francisco, California, USA;
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12
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Newton K, Strasser A, Kayagaki N, Dixit VM. Cell death. Cell 2024; 187:235-256. [PMID: 38242081 DOI: 10.1016/j.cell.2023.11.044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 10/18/2023] [Accepted: 11/30/2023] [Indexed: 01/21/2024]
Abstract
Cell death supports morphogenesis during development and homeostasis after birth by removing damaged or obsolete cells. It also curtails the spread of pathogens by eliminating infected cells. Cell death can be induced by the genetically programmed suicide mechanisms of apoptosis, necroptosis, and pyroptosis, or it can be a consequence of dysregulated metabolism, as in ferroptosis. Here, we review the signaling mechanisms underlying each cell-death pathway, discuss how impaired or excessive activation of the distinct cell-death processes can promote disease, and highlight existing and potential therapies for redressing imbalances in cell death in cancer and other diseases.
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Affiliation(s)
- Kim Newton
- Physiological Chemistry Department, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, USA.
| | - Andreas Strasser
- WEHI: Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia; Department of Medical Biology, The University of Melbourne, Melbourne, VIC 3010, Australia.
| | - Nobuhiko Kayagaki
- Physiological Chemistry Department, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, USA.
| | - Vishva M Dixit
- Physiological Chemistry Department, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, USA.
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13
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Chen L, Zhou Q, Zhang P, Tan W, Li Y, Xu Z, Ma J, Kupfer GM, Pei Y, Song Q, Pei H. Direct stimulation of de novo nucleotide synthesis by O-GlcNAcylation. Nat Chem Biol 2024; 20:19-29. [PMID: 37308732 PMCID: PMC10746546 DOI: 10.1038/s41589-023-01354-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 05/03/2023] [Indexed: 06/14/2023]
Abstract
O-linked β-N-acetyl glucosamine (O-GlcNAc) is at the crossroads of cellular metabolism, including glucose and glutamine; its dysregulation leads to molecular and pathological alterations that cause diseases. Here we report that O-GlcNAc directly regulates de novo nucleotide synthesis and nicotinamide adenine dinucleotide (NAD) production upon abnormal metabolic states. Phosphoribosyl pyrophosphate synthetase 1 (PRPS1), the key enzyme of the de novo nucleotide synthesis pathway, is O-GlcNAcylated by O-GlcNAc transferase (OGT), which triggers PRPS1 hexamer formation and relieves nucleotide product-mediated feedback inhibition, thereby boosting PRPS1 activity. PRPS1 O-GlcNAcylation blocked AMPK binding and inhibited AMPK-mediated PRPS1 phosphorylation. OGT still regulates PRPS1 activity in AMPK-deficient cells. Elevated PRPS1 O-GlcNAcylation promotes tumorigenesis and confers resistance to chemoradiotherapy in lung cancer. Furthermore, Arts-syndrome-associated PRPS1 R196W mutant exhibits decreased PRPS1 O-GlcNAcylation and activity. Together, our findings establish a direct connection among O-GlcNAc signals, de novo nucleotide synthesis and human diseases, including cancer and Arts syndrome.
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Affiliation(s)
- Lulu Chen
- Cancer Center, Renmin Hospital of Wuhan University, Wuhan, China
- Department of Oncology, Georgetown Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC, USA
| | - Qi Zhou
- Cancer Center, Renmin Hospital of Wuhan University, Wuhan, China
- Department of Oncology, Georgetown Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC, USA
| | - Pingfeng Zhang
- Cancer Center, Renmin Hospital of Wuhan University, Wuhan, China
| | - Wei Tan
- Department of Lymphoma and Myeloma, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Yingge Li
- Cancer Center, Renmin Hospital of Wuhan University, Wuhan, China
- Department of Oncology, Georgetown Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC, USA
| | - Ziwen Xu
- Department of Oncology, Georgetown Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC, USA
| | - Junfeng Ma
- Department of Oncology, Georgetown Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC, USA
| | - Gary M Kupfer
- Department of Oncology, Georgetown Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC, USA
| | - Yanxin Pei
- Center for Cancer and Immunology, Brain Tumor Institute, Children's National Health System, Washington, DC, USA
| | - Qibin Song
- Cancer Center, Renmin Hospital of Wuhan University, Wuhan, China.
| | - Huadong Pei
- Department of Oncology, Georgetown Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC, USA.
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14
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A Heieis G, Everts B. O-GlcNAcylation at the center of antitumor immunity. Curr Opin Biotechnol 2023; 84:103009. [PMID: 37863017 DOI: 10.1016/j.copbio.2023.103009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 09/18/2023] [Accepted: 09/21/2023] [Indexed: 10/22/2023]
Abstract
The post-translational modification known as O-GlcNAcylation is a highly dysregulated process in tumors, and a key contributor to malignant transformation. In contrast, after three decades since its discovery, very little has been revealed about this process in the immune system. With the prospect of targeting O-GlcNAcylation as tumor therapy, greater understanding of how it regulates immune responses in the context of the tumor microenvironment will be needed. Here, we discuss recent discoveries from which a picture is emerging that O-GlcNAcylation, in either tumors or in immune cells, could negatively impact overall antitumor immune responses. We propose that interference with O-GlcNAcylation thus holds promise for cancer treatment from both perspectives.
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Affiliation(s)
- Graham A Heieis
- Department of Parasitology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, the Netherlands
| | - Bart Everts
- Department of Parasitology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, the Netherlands.
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15
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Inclan-Rico JM, Napuri CM, Lin C, Hung LY, Ferguson AA, Wu Q, Pastore CF, Stephenson A, Femoe UM, Rossi HL, Reed DR, Luo W, Abdus-Saboor I, Herbert DR. "MrgprA3 neurons selectively control myeloid-derived cytokines for IL-17 dependent cutaneous immunity". Res Sq 2023:rs.3.rs-3644984. [PMID: 38076920 PMCID: PMC10705600 DOI: 10.21203/rs.3.rs-3644984/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/24/2023]
Abstract
Skin employs interdependent cellular networks to facilitate barrier integrity and host immunity through ill-defined mechanisms. This study demonstrates that manipulation of itch-sensing neurons bearing the Mas-related G protein-coupled receptor A3 (MrgprA3) drives IL-17+ γδ T cell expansion, epidermal thickening, and resistance to the human pathogen Schistosoma mansoni through mechanisms that require myeloid antigen presenting cells (APC). Activated MrgprA3 neurons instruct myeloid APCs to downregulate interleukin 33 (IL-33) and up-regulate TNFα partially through the neuropeptide calcitonin gene related peptide (CGRP). Strikingly, cell-intrinsic deletion of IL-33 in myeloid APC basally alters chromatin accessibility at inflammatory cytokine loci and promotes IL-17/23-dependent epidermal thickening, keratinocyte hyperplasia, and resistance to helminth infection. Our findings reveal a previously undescribed mechanism of intercellular cross-talk wherein "itch" neuron activation reshapes myeloid cytokine expression patterns to alter skin composition for cutaneous immunity against invasive pathogens.
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Affiliation(s)
- Juan M. Inclan-Rico
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Camila M. Napuri
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Cailu Lin
- Monell Chemical Senses Center, Philadelphia, Pennsylvania, USA
| | - Li-Yin Hung
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Annabel A. Ferguson
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Qinxue Wu
- Department of Neuroscience, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Christopher F. Pastore
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Adriana Stephenson
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Ulrich M. Femoe
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Heather L. Rossi
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | | | - Wenqin Luo
- Department of Neuroscience, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
- Institute for Regenerative Medicine, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Ishmail Abdus-Saboor
- Department of Biological Sciences, Zuckerman Mind, Brain, Behavior Institute, Columbia University, New York, New York, USA
| | - De’Broski R. Herbert
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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16
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Fattinger SA, Maurer L, Geiser P, Bernard EM, Enz U, Ganguillet S, Gül E, Kroon S, Demarco B, Mack V, Furter M, Barthel M, Pelczar P, Shao F, Broz P, Sellin ME, Hardt WD. Gasdermin D is the only Gasdermin that provides protection against acute Salmonella gut infection in mice. Proc Natl Acad Sci U S A 2023; 120:e2315503120. [PMID: 37988464 PMCID: PMC10691232 DOI: 10.1073/pnas.2315503120] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Accepted: 10/05/2023] [Indexed: 11/23/2023] Open
Abstract
Gasdermins (GSDMs) share a common functional domain structure and are best known for their capacity to form membrane pores. These pores are hallmarks of a specific form of cell death called pyroptosis and mediate the secretion of pro-inflammatory cytokines such as interleukin 1β (IL1β) and interleukin 18 (IL18). Thereby, Gasdermins have been implicated in various immune responses against cancer and infectious diseases such as acute Salmonella Typhimurium (S.Tm) gut infection. However, to date, we lack a comprehensive functional assessment of the different Gasdermins (GSDMA-E) during S.Tm infection in vivo. Here, we used epithelium-specific ablation, bone marrow chimeras, and mouse lines lacking individual Gasdermins, combinations of Gasdermins or even all Gasdermins (GSDMA1-3C1-4DE) at once and performed littermate-controlled oral S.Tm infections in streptomycin-pretreated mice to investigate the impact of all murine Gasdermins. While GSDMA, C, and E appear dispensable, we show that GSDMD i) restricts S.Tm loads in the gut tissue and systemic organs, ii) controls gut inflammation kinetics, and iii) prevents epithelium disruption by 72 h of the infection. Full protection requires GSDMD expression by both bone-marrow-derived lamina propria cells and intestinal epithelial cells (IECs). In vivo experiments as well as 3D-, 2D-, and chimeric enteroid infections further show that infected IEC extrusion proceeds also without GSDMD, but that GSDMD controls the permeabilization and morphology of the extruding IECs, affects extrusion kinetics, and promotes overall mucosal barrier capacity. As such, this work identifies a unique multipronged role of GSDMD among the Gasdermins for mucosal tissue defense against a common enteric pathogen.
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Affiliation(s)
- Stefan A. Fattinger
- Department of Biology, Institute of Microbiology, ETH Zurich, Zurich8093, Switzerland
- Department of Medical Biochemistry and Microbiology, Science for Life Laboratory, Uppsala University, Uppsala75123, Sweden
- Division of Immunology and Molecular Medicine, Department of Molecular and Cell Biology, University of California, Berkeley, CA94720
| | - Luca Maurer
- Department of Biology, Institute of Microbiology, ETH Zurich, Zurich8093, Switzerland
| | - Petra Geiser
- Department of Medical Biochemistry and Microbiology, Science for Life Laboratory, Uppsala University, Uppsala75123, Sweden
| | - Elliott M. Bernard
- Department of Immunobiology, University of Lausanne, Epalinges1066, Switzerland
| | - Ursina Enz
- Department of Biology, Institute of Microbiology, ETH Zurich, Zurich8093, Switzerland
| | - Suwannee Ganguillet
- Department of Biology, Institute of Microbiology, ETH Zurich, Zurich8093, Switzerland
| | - Ersin Gül
- Department of Biology, Institute of Microbiology, ETH Zurich, Zurich8093, Switzerland
| | - Sanne Kroon
- Department of Biology, Institute of Microbiology, ETH Zurich, Zurich8093, Switzerland
| | - Benjamin Demarco
- Department of Immunobiology, University of Lausanne, Epalinges1066, Switzerland
| | - Vanessa Mack
- Department of Immunobiology, University of Lausanne, Epalinges1066, Switzerland
| | - Markus Furter
- Department of Biology, Institute of Microbiology, ETH Zurich, Zurich8093, Switzerland
| | - Manja Barthel
- Department of Biology, Institute of Microbiology, ETH Zurich, Zurich8093, Switzerland
| | - Pawel Pelczar
- Center for Transgenic Models, University of Basel, Basel4002, Switzerland
| | - Feng Shao
- National Institute of Biological Sciences, Beijing102206, China
| | - Petr Broz
- Department of Immunobiology, University of Lausanne, Epalinges1066, Switzerland
| | - Mikael E. Sellin
- Department of Medical Biochemistry and Microbiology, Science for Life Laboratory, Uppsala University, Uppsala75123, Sweden
| | - Wolf-Dietrich Hardt
- Department of Biology, Institute of Microbiology, ETH Zurich, Zurich8093, Switzerland
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17
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Wang W, He Z. Gasdermins in sepsis. Front Immunol 2023; 14:1203687. [PMID: 38022612 PMCID: PMC10655013 DOI: 10.3389/fimmu.2023.1203687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 10/12/2023] [Indexed: 12/01/2023] Open
Abstract
Sepsis is a hyper-heterogeneous syndrome in which the systemic inflammatory response persists throughout the course of the disease and the inflammatory and immune responses are dynamically altered at different pathogenic stages. Gasdermins (GSDMs) proteins are pore-forming executors in the membrane, subsequently mediating the release of pro-inflammatory mediators and inflammatory cell death. With the increasing research on GSDMs proteins and sepsis, it is believed that GSDMs protein are one of the most promising therapeutic targets in sepsis in the future. A more comprehensive and in-depth understanding of the functions of GSDMs proteins in sepsis is important to alleviate the multi-organ dysfunction and reduce sepsis-induced mortality. In this review, we focus on the function of GSDMs proteins, the molecular mechanism of GSDMs involved in sepsis, and the regulatory mechanism of GSDMs-mediated signaling pathways, aiming to provide novel ideas and therapeutic strategies for the diagnosis and treatment of sepsis.
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Affiliation(s)
- Wenhua Wang
- Department of Intensive Care Unit, the Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Zhihui He
- Department of Intensive Care Unit, the Third Xiangya Hospital, Central South University, Changsha, Hunan, China
- Sepsis Translational Medicine Key Laboratory of Hunan Province, Central South University, Changsha, Hunan, China
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18
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Jiao C, Zhang H, Li H, Fu X, Lin Y, Cao C, Liu S, Liu Y, Li P. Caspase-3/GSDME mediated pyroptosis: A potential pathway for sepsis. Int Immunopharmacol 2023; 124:111022. [PMID: 37837715 DOI: 10.1016/j.intimp.2023.111022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 10/01/2023] [Accepted: 10/02/2023] [Indexed: 10/16/2023]
Abstract
The inflammatory response is one of the host's mechanisms to combat pathogens. Normal and controlled inflammation can accelerate the clearance of pathogens. However, in sepsis, the host often exhibits an excessive inflammatory response to infection, leading to tissue and organ damage. Therefore, studying the mechanisms underlying the occurrence and development of sepsis is of significant importance. Pyroptosis is a form of programmed cell death (PCD) executed by the gasdermins (GSDMs) family, and its pro-inflammatory characteristics are considered a crucial component of the sepsis mechanism. Previous research on pyroptosis in sepsis has mainly focused on the caspase-1/4/5/11-GSDMD pathway, which has made significant progress. However, there is a lack of research on the roles of other GSDMs family members in sepsis. New research has revealed that the caspase-3/GSDME pathway can also mediate pyroptosis, playing important roles in cancer, other inflammatory diseases, and even some sepsis-related conditions. This discovery suggests the potential value of investigating caspase-3/GSDME in sepsis research. This review provides an overview of the role of the GSDMs family in infectious diseases, summarizes current research on the caspase-1/4/5/11-GSDMD pathway, describes the role of caspase-3 in sepsis, and discusses the research findings related to pyroptosis mediated by the caspase-3/GSDME pathway in cancer, inflammatory diseases, and sepsis-related conditions. The aim of this article is to propose the concept of caspase-3/GSDME as a potential target in sepsis research. Considering the role of this pathway in other diseases, including inflammatory conditions, and given the unique nature of sepsis as an inflammatory disease, the article suggests that this pathway may also play a role in sepsis. This hypothesis provides new insights and options for future sepsis research, although direct experiments are needed to validate this hypothesis.
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Affiliation(s)
- Chaoze Jiao
- Department of Emergency, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, Gansu 730030, China
| | - Haidan Zhang
- Department of Emergency, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, Gansu 730030, China
| | - Hongyao Li
- Department of Emergency, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, Gansu 730030, China
| | - Xu Fu
- Department of Emergency, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, Gansu 730030, China
| | - Yujie Lin
- Department of Emergency, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, Gansu 730030, China
| | - Chenglong Cao
- Department of Emergency, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, Gansu 730030, China
| | - Shixian Liu
- Department of Emergency, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, Gansu 730030, China
| | - Yijing Liu
- Department of Emergency, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, Gansu 730030, China
| | - Peiwu Li
- Department of Emergency, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, Gansu 730030, China.
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19
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Gül E, Fattinger SA, Sellin ME, Hardt WD. Epithelial inflammasomes, gasdermins, and mucosal inflammation - Lessons from Salmonella and Shigella infected mice. Semin Immunol 2023; 70:101812. [PMID: 37562110 DOI: 10.1016/j.smim.2023.101812] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 07/05/2023] [Accepted: 07/15/2023] [Indexed: 08/12/2023]
Abstract
Besides its crucial function in nutrient absorbance and as barrier against the microbiota, the gut epithelium is essential for sensing pathogenic insults and mounting of an appropriate early immune response. In mice, the activation of the canonical NAIP/NLRC4 inflammasome is critical for the defense against enterobacterial infections. Activation of the NAIP/NLRC4 inflammasome triggers the extrusion of infected intestinal epithelial cells (IEC) into the gut lumen, concomitant with inflammasome-mediated lytic cell death. The membrane permeabilization, a hallmark of pyroptosis, is caused by the pore-forming proteins called gasdermins (GSDMs). Recent work has revealed that NAIP/NLRC4-dependent extrusion of infected IECs can, however, also be executed in the absence of GSDMD. In fact, several reports highlighted that various cell death pathways (e.g., pyroptosis or apoptosis) and unique mechanisms specific to particular infection models and stages of gut infection are in action during epithelial inflammasome defense against intestinal pathogens. Here, we summarize the current knowledge regarding the underlying mechanisms and speculate on the putative functions of the epithelial inflammasome activation and cell death, with a particular emphasis on mouse infection models for two prominent enterobacterial pathogens, Salmonella Typhimurium and Shigella flexneri.
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Affiliation(s)
- Ersin Gül
- Institute of Microbiology, Department of Biology, ETH Zurich, Zurich, Switzerland
| | - Stefan A Fattinger
- Division of Immunology and Molecular Medicine, Department of Molecular and Cell Biology, University of California, Berkeley, CA, USA
| | - Mikael E Sellin
- Science for Life Laboratory, Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden
| | - Wolf-Dietrich Hardt
- Institute of Microbiology, Department of Biology, ETH Zurich, Zurich, Switzerland.
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20
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Xu G(B, Pan YX, Mei W, Chen H. Single-Cell RNA Sequencing (scRNA-seq) Identifies L1CAM as a Key Mediator between Epithelial Tuft Cell and Innate Lymphoid Cell in the Colon of Hnrnp I Knockout Mice. Biomedicines 2023; 11:2734. [PMID: 37893107 PMCID: PMC10604312 DOI: 10.3390/biomedicines11102734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Revised: 09/26/2023] [Accepted: 10/05/2023] [Indexed: 10/29/2023] Open
Abstract
(1) Background: Knockout (KO) of heterogeneous nuclear ribonucleoprotein I (Hnrnp I) in mouse intestinal epithelial cells (IECs) induced a severe inflammatory response in the colon, followed by hyperproliferation. This study aimed to investigate the epithelial lineage dynamics and cell-cell communications that underlie inflammation and colitis. (2) Methods: Single cells were isolated from the colons of wildtype (WT) and KO mice and used in scRNA-seq. Whole colons were collected for immunofluorescence staining and cytokine assays. (3) Results: from scRNA-seq, the number of DCLK1 + colonic tuft cells was significantly higher in the Hnrnp I KO mice compared to the WT mice. This was confirmed by immunofluorescent staining of DCLK1. The DCLK1 + colonic tuft cells in KO mice developed unique communications with lymphocytes via interactions between surface L1 cell adhesion molecule (L1CAM) and integrins. In the KO mice colons, a significantly elevated level of inflammatory cytokines IL4, IL6, and IL13 were observed, which marks type-2 immune responses directed by group 2 innate lymphoid cells (ILC2s). (4) Conclusions: This study demonstrates one critical cellular function of colonic tuft cells, which facilitates type-2 immune responses by communicating with ILC2s via the L1CAM-integrins interaction. This communication promotes pro-inflammatory signaling pathways in ILC2, leading to the increased secretion of inflammatory cytokines.
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Affiliation(s)
- Guanying (Bianca) Xu
- Department of Food Science and Human Nutrition, College of Agricultural, Consumer, and Environmental Sciences, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA; (G.X.); (Y.-X.P.)
| | - Yuan-Xiang Pan
- Department of Food Science and Human Nutrition, College of Agricultural, Consumer, and Environmental Sciences, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA; (G.X.); (Y.-X.P.)
- Division of Nutritional Sciences, College of Agricultural, Consumer, and Environmental Sciences, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - Wenyan Mei
- Division of Nutritional Sciences, College of Agricultural, Consumer, and Environmental Sciences, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
- Department of Comparative Biosciences, College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - Hong Chen
- Department of Food Science and Human Nutrition, College of Agricultural, Consumer, and Environmental Sciences, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA; (G.X.); (Y.-X.P.)
- Division of Nutritional Sciences, College of Agricultural, Consumer, and Environmental Sciences, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
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21
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Gao X, Wang C, Shen XT, Li CY, Li YC, Gao H, Qian JM, Zhang XL. Pyroptosis burden is associated with anti-TNF treatment outcome in inflammatory bowel disease: new insights from bioinformatics analysis. Sci Rep 2023; 13:15821. [PMID: 37740137 PMCID: PMC10516897 DOI: 10.1038/s41598-023-43091-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 09/19/2023] [Indexed: 09/24/2023] Open
Abstract
Biological agents known as anti-tumor necrosis factor (TNF) drugs are frequently utilized in the treatment of inflammatory bowel disease (IBD). In this study, we analyzed the shared processes of pyroptosis in Ulcerative colitis (UC) and Crohn's disease (CD), as well as explored the correlation between the burden of pyroptosis and the results of anti-TNF treatment based on bioinformatics analyses. We identified CAPS1, CASP5, GSDMD, AIM2, and NLRP3 as the hub genes, with AIM2 being the most effective indicator for predicting the response to anti-TNF therapy. We also noticed that non-responders received anti-TNF therapy exhibited elevated AIM2 protein expression. Subsequently, we conducted a cluster analysis based on AIM2-inflammasome-related genes and discovered that patients with a higher burden of AIM2 inflammasome displayed stronger immune function and a poor response to anti-TNF therapy. Overall, our study elucidates the pathway of pyroptosis in IBD and reveals AIM2 expression level as a potential biomarker for predicting the effectiveness of anti-TNF therapy.
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Affiliation(s)
- Xin Gao
- Department of GastroenterologyHebei Key Laboratory of GastroenterologyHebei Clinical Research Center for Digestive Diseases, The Second Hospital of Hebei Medical University, Hebei Institute of Gastroenterology, Shijiazhuang, 050035, Hebei, China
| | - Chen Wang
- Department of GastroenterologyHebei Key Laboratory of GastroenterologyHebei Clinical Research Center for Digestive Diseases, The Second Hospital of Hebei Medical University, Hebei Institute of Gastroenterology, Shijiazhuang, 050035, Hebei, China
| | - Xiao-Tong Shen
- Department of GastroenterologyHebei Key Laboratory of GastroenterologyHebei Clinical Research Center for Digestive Diseases, The Second Hospital of Hebei Medical University, Hebei Institute of Gastroenterology, Shijiazhuang, 050035, Hebei, China
| | - Chen-Yang Li
- Department of GastroenterologyHebei Key Laboratory of GastroenterologyHebei Clinical Research Center for Digestive Diseases, The Second Hospital of Hebei Medical University, Hebei Institute of Gastroenterology, Shijiazhuang, 050035, Hebei, China
| | - Yan-Chen Li
- Department of GastroenterologyHebei Key Laboratory of GastroenterologyHebei Clinical Research Center for Digestive Diseases, The Second Hospital of Hebei Medical University, Hebei Institute of Gastroenterology, Shijiazhuang, 050035, Hebei, China
| | - He Gao
- Department of GastroenterologyHebei Key Laboratory of GastroenterologyHebei Clinical Research Center for Digestive Diseases, The Second Hospital of Hebei Medical University, Hebei Institute of Gastroenterology, Shijiazhuang, 050035, Hebei, China
| | - Jia-Ming Qian
- Department of GastroenterologyHebei Key Laboratory of GastroenterologyHebei Clinical Research Center for Digestive Diseases, The Second Hospital of Hebei Medical University, Hebei Institute of Gastroenterology, Shijiazhuang, 050035, Hebei, China.
- Department of Gastroenterology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, 100730, China.
| | - Xiao-Lan Zhang
- Department of GastroenterologyHebei Key Laboratory of GastroenterologyHebei Clinical Research Center for Digestive Diseases, The Second Hospital of Hebei Medical University, Hebei Institute of Gastroenterology, Shijiazhuang, 050035, Hebei, China.
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22
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Jiang H, Liu P, Kang J, Wu J, Gong W, Li X, Li Y, Liu J, Li W, Ni C, Liao B, Wu X, Zhao Y, Ren J. Precise Orchestration of Gasdermins' Pore-Forming Function by Posttranslational Modifications in Health and Disease. Int J Biol Sci 2023; 19:4931-4947. [PMID: 37781519 PMCID: PMC10539709 DOI: 10.7150/ijbs.86869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 09/04/2023] [Indexed: 10/03/2023] Open
Abstract
Gasdermins (GSDMs) serve as pivotal executors of pyroptosis and play crucial roles in host defence, cytokine secretion, innate immunity, and cancer. However, excessive or inappropriate GSDMs activation is invariably accompanied by exaggerated inflammation and results in tissue damage. In contrast, deficient or impaired activation of GSDMs often fails to promptly eliminate pathogens, leading to the increasing severity of infections. The activity of GSDMs requires meticulous regulation. The dynamic modulation of GSDMs involves many aspects, including autoinhibitory structures, proteolytic cleavage, lipid binding and membrane translocation (oligomerization and pre-pore formation), oligomerization (pore formation) and pore removal for membrane repair. As the most comprehensive and efficient regulatory pathway, posttranslational modifications (PTMs) are widely implicated in the regulation of these aspects. In this comprehensive review, we delve into the complex mechanisms through which a variety of proteases cleave GSDMs to enhance or hinder their function. Moreover, we summarize the intricate regulatory mechanisms of PTMs that govern GSDMs-induced pyroptosis.
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Affiliation(s)
- Haiyang Jiang
- Department of General Surgery, Nanjing BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing 210000, China
| | - Peizhao Liu
- Research Institute of General Surgery, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing 210000, China
| | - Jiaqi Kang
- Research Institute of General Surgery, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing 210000, China
| | - Jie Wu
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Affiliated Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Wenbin Gong
- Department of General Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, Shaanxi Province, China
| | - Xuanheng Li
- Research Institute of General Surgery, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing 210000, China
| | - Yangguang Li
- Research Institute of General Surgery, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing 210000, China
| | - Juanhan Liu
- Research Institute of General Surgery, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing 210000, China
| | - Weizhen Li
- Research Institute of General Surgery, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing 210000, China
| | - Chujun Ni
- Department of General Surgery, Nanjing BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing 210000, China
| | - Bo Liao
- Research Institute of General Surgery, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing 210000, China
| | - Xiuwen Wu
- Research Institute of General Surgery, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing 210000, China
| | - Yun Zhao
- Department of General Surgery, Nanjing BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing 210000, China
| | - Jianan Ren
- Department of General Surgery, Nanjing BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing 210000, China
- Research Institute of General Surgery, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing 210000, China
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23
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Abstract
Pyroptosis is a programmed necrotic cell death executed by gasdermins, a family of pore-forming proteins. The cleavage of gasdermins by specific proteases enables their pore-forming activity. The activation of the prototype member of the gasdermin family, gasdermin D (GSDMD), is linked to innate immune monitoring by inflammasomes. Additional gasdermins such as GSDMA, GSDMB, GSDMC, and GSDME are activated by inflammasome-independent mechanisms. Pyroptosis is emerging as a key host defense strategy against pathogens. However, excessive pyroptosis causes cytokine storm and detrimental inflammation leading to tissue damage and organ dysfunction. Consequently, dysregulated pyroptotic responses contribute to the pathogenesis of various diseases, including sepsis, atherosclerosis, acute respiratory distress syndrome, and neurodegenerative disorders. This review will discuss the inflammatory consequences of pyroptosis and the mechanisms of pyroptosis-induced tissue damage and disease pathogenesis.
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Affiliation(s)
- Swathy O Vasudevan
- Department of Immunology, UConn Health School of Medicine, 263 Farmington Ave, Farmington, CT 06030, USA
| | | | - Vijay A Rathinam
- Department of Immunology, UConn Health School of Medicine, 263 Farmington Ave, Farmington, CT 06030, USA.
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24
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Wang Y, He C, Xin S, Liu X, Zhang S, Qiao B, Shang H, Gao L, Xu J. A Deep View of the Biological Property of Interleukin-33 and Its Dysfunction in the Gut. Int J Mol Sci 2023; 24:13504. [PMID: 37686309 PMCID: PMC10487440 DOI: 10.3390/ijms241713504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 08/19/2023] [Accepted: 08/25/2023] [Indexed: 09/10/2023] Open
Abstract
Intestinal diseases have always posed a serious threat to human health, with inflammatory bowel disease (IBD) being one of them. IBD is an autoimmune disease characterized by chronic inflammation, including ulcerative colitis (UC) and Crohn's disease (CD). The "alarm" cytokine IL-33, which is intimately associated with Th2 immunity, is a highly potent inflammatory factor that is considered to have dual functions-operating as both a pro-inflammatory cytokine and a transcriptional regulator. IL-33 has been shown to play a crucial role in both the onset and development of IBD. Therefore, this review focuses on the pathogenesis of IBD, the major receptor cell types, and the activities of IL-33 in innate and adaptive immunity, as well as its underlying mechanisms and conflicting conclusions in IBD. We have also summarized different medicines targeted to IL-33-associated diseases. Furthermore, we have emphasized the role of IL-33 in gastrointestinal cancer and parasitic infections, giving novel prospective therapeutic utility in the future application of IL-33.
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Affiliation(s)
- Yi Wang
- Department of Clinical Medicine, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China; (Y.W.); (S.Z.); (B.Q.)
| | - Chengwei He
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China; (C.H.); (S.X.); (X.L.)
| | - Shuzi Xin
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China; (C.H.); (S.X.); (X.L.)
| | - Xiaohui Liu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China; (C.H.); (S.X.); (X.L.)
| | - Sitian Zhang
- Department of Clinical Medicine, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China; (Y.W.); (S.Z.); (B.Q.)
| | - Boya Qiao
- Department of Clinical Medicine, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China; (Y.W.); (S.Z.); (B.Q.)
| | - Hongwei Shang
- Experimental Center for Morphological Research Platform, Capital Medical University, Beijing 100069, China;
| | - Lei Gao
- Department of Intelligent Medical Engineering, School of Biomedical Engineering, Capital Medical University, Beijing 100069, China
| | - Jingdong Xu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China; (C.H.); (S.X.); (X.L.)
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25
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Shi JH, Liu LN, Song DD, Liu WW, Ling C, Wu FX, Wang TT, Liu B, Cui NP, Qin Y, Ni ZY. TRAF3/STAT6 axis regulates macrophage polarization and tumor progression. Cell Death Differ 2023; 30:2005-2016. [PMID: 37474750 PMCID: PMC10406838 DOI: 10.1038/s41418-023-01194-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 07/05/2023] [Accepted: 07/13/2023] [Indexed: 07/22/2023] Open
Abstract
Converting tumor-associated macrophages (TAMs) from the M2 to the M1 phenotype is considered an effective strategy for cancer therapy. TRAF3 is known to regulate NF-κB signaling. However, the role of TRAF3 in TAM polarization has not yet been completely elucidated. Here, we found that ablation of TRAF3 increased M1 markers, iNOS, FGR and SLC4A7, while down-regulated M2 markers, CD206, CD36 and ABCC3, expression levels in macrophages. Moreover, TRAF3 deficiency enhanced LPS-induced M1 and abolished IL-4-induced macrophage polarization. Next, quantitative ubiquitomics assays demonstrated that among the quantitative 7618 ubiquitination modification sites on 2598 proteins, ubiquitination modification of IL-4 responding proteins was the most prominently reduced according to enrichment analysis. STAT6, a key factor of IL-4 responding protein, K450 and K129 residue ubiquitination levels were dramatically decreased in TRAF3-deficient macrophages. Ubiquitination assay and luciferase assay demonstrated that TRAF3 promotes STAT6 ubiquitination and transcriptional activity. Site mutation analysis revealed STAT6 K450 site ubiquitination played a vital role in TRAF3-mediated STAT6 activation. Finally, B16 melanoma mouse model demonstrated that myeloid TRAF3 deficiency suppressed tumor growth and lung metastasis in vivo. Taken together, TRAF3 plays a vital role in M2 polarization via regulating STAT6 K450 ubiquitination in macrophages.
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Affiliation(s)
- Jian-Hong Shi
- Central Laboratory, Affiliated Hospital of Hebei University, Baoding, 071000, Hebei, China.
- Clinical Medical College, Hebei University, Baoding, 071000, Hebei, China.
- Hebei Collaborative Innovation Center of Tumor Microecological Metabolism Regulation, Baoding, 071000, Hebei, China.
- Hebei Key Laboratory of Cancer Radiotherapy and Chemotherapy, Baoding, 071000, Hebei, China.
| | - Li-Na Liu
- Central Laboratory, Affiliated Hospital of Hebei University, Baoding, 071000, Hebei, China
- Clinical Medical College, Hebei University, Baoding, 071000, Hebei, China
| | - Dan-Dan Song
- Central Laboratory, Affiliated Hospital of Hebei University, Baoding, 071000, Hebei, China
- Clinical Medical College, Hebei University, Baoding, 071000, Hebei, China
| | - Wen-Wen Liu
- Department of Breast Surgery, Affiliated Hospital of Hebei University, Baoding, 071000, Hebei, China
| | - Chen Ling
- Central Laboratory, Affiliated Hospital of Hebei University, Baoding, 071000, Hebei, China
- Department of Medical Oncology, Hengyang Third People's Hospital, Hengyang, 421200, Hunan, China
| | - Fei-Xiang Wu
- Central Laboratory, Affiliated Hospital of Hebei University, Baoding, 071000, Hebei, China
- Hebei Key Laboratory of Precise Imaging of Inflammation Related Tumors, Baoding, 071000, Hebei, China
| | - Ting-Ting Wang
- Central Laboratory, Affiliated Hospital of Hebei University, Baoding, 071000, Hebei, China
- Clinical Medical College, Hebei University, Baoding, 071000, Hebei, China
| | - Bin Liu
- Central Laboratory, Affiliated Hospital of Hebei University, Baoding, 071000, Hebei, China
- Hebei Collaborative Innovation Center of Tumor Microecological Metabolism Regulation, Baoding, 071000, Hebei, China
- Hebei Key Laboratory of Cancer Radiotherapy and Chemotherapy, Baoding, 071000, Hebei, China
| | - Nai-Peng Cui
- Hebei Collaborative Innovation Center of Tumor Microecological Metabolism Regulation, Baoding, 071000, Hebei, China
- Hebei Key Laboratory of Cancer Radiotherapy and Chemotherapy, Baoding, 071000, Hebei, China
- Department of Breast Surgery, Affiliated Hospital of Hebei University, Baoding, 071000, Hebei, China
| | - Yan Qin
- Central Laboratory, Affiliated Hospital of Hebei University, Baoding, 071000, Hebei, China.
- Hebei Collaborative Innovation Center of Tumor Microecological Metabolism Regulation, Baoding, 071000, Hebei, China.
- Hebei Key Laboratory of Precise Imaging of Inflammation Related Tumors, Baoding, 071000, Hebei, China.
| | - Zhi-Yu Ni
- Clinical Medical College, Hebei University, Baoding, 071000, Hebei, China.
- Hebei Collaborative Innovation Center of Tumor Microecological Metabolism Regulation, Baoding, 071000, Hebei, China.
- Research Unit of Digestive Tract Microecosystem Pharmacology and Toxicology, Chinese Academy of Medical Sciences, 100000, Beijing, China.
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26
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Wei W, Zhang W, Wu S, Duan W, Wang Z. Advances in tuft cells, a chemosensory cell in sequential diseases of the pancreas. Biochim Biophys Acta Rev Cancer 2023; 1878:188911. [PMID: 37182665 DOI: 10.1016/j.bbcan.2023.188911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Accepted: 05/10/2023] [Indexed: 05/16/2023]
Abstract
Tuft cells are solitary chemosensory cells distributed mainly in hollow organs and detected in human and mouse pancreas precursor lesions of pancreatic cancer. Induced by inflammation and KRAS mutation, pancreatic acinar cell-derived tuft cells play a protective role in epithelium injury. The tumour suppression of tuft cells has been indicated in some studies. However, the function of tuft cells in pancreatic cancer remains unclear. In this review, we first introduce the definition of tuft cells and then review the relationship between tuft cells and pancreatic inflammation. In addition, we emphasized the role of tuft cells in the genesis and development of pancreatic cancers, especially the part of markers for tuft cell's doublecortin-like kinase 1 (DCLK1). Finally, we turn to the microscopic perspective and review the interactions between tuft cells and the microbiome in the pancreatic microenvironment. Overall, we describe the role of tuft cells in response to tissue damage and tumour progression in the pancreas. Nevertheless, the specific formation principle and the more detailed mechanism of action of tuft cells in the pancreas remain to be further explored.
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Affiliation(s)
- Wanzhen Wei
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, Shaanxi Province, China; Pancreatic Disease Center of Xi'an Jiaotong University, Xi'an 710061, Shaanxi Province, China
| | - Weifan Zhang
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, Shaanxi Province, China; Pancreatic Disease Center of Xi'an Jiaotong University, Xi'an 710061, Shaanxi Province, China
| | - Shuai Wu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, Shaanxi Province, China; Pancreatic Disease Center of Xi'an Jiaotong University, Xi'an 710061, Shaanxi Province, China
| | - Wanxing Duan
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, Shaanxi Province, China; Pancreatic Disease Center of Xi'an Jiaotong University, Xi'an 710061, Shaanxi Province, China.
| | - Zheng Wang
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, Shaanxi Province, China; Pancreatic Disease Center of Xi'an Jiaotong University, Xi'an 710061, Shaanxi Province, China.
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27
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Abstract
The regulated disruption of the plasma membrane, which can promote cell death, cytokine secretion or both is central to organismal health. The protein gasdermin D (GSDMD) is a key player in this process. GSDMD forms membrane pores that can promote cytolysis and the release of interleukin-1 family cytokines into the extracellular space. Recent discoveries have revealed biochemical and cell biological mechanisms that control GSDMD pore-forming activity and its diverse downstream immunological effects. Here, we review these multifaceted regulatory activities, including mechanisms of GSDMD activation by proteolytic cleavage, dynamics of pore assembly, regulation of GSDMD activities by posttranslational modifications, membrane repair and the interplay of GSDMD and mitochondria. We also address recent insights into the evolution of the gasdermin family and their activities in species across the kingdoms of life. In doing so, we hope to condense recent progress and inform future studies in this rapidly moving field in immunology.
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Affiliation(s)
- Pascal Devant
- Division of Gastroenterology, Boston Children's Hospital and Harvard Medical School, Boston, MA, USA
| | - Jonathan C Kagan
- Division of Gastroenterology, Boston Children's Hospital and Harvard Medical School, Boston, MA, USA.
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28
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Abstract
Since the identification and characterization of gasdermin (GSDM) D as the main effector of inflammatory regulated cell death (or pyroptosis), literature on the GSDM family of pore-forming proteins is rapidly expanding, revealing novel mechanisms regulating their expression and functions that go beyond pyroptosis. Indeed, a growing body of evidence corroborates the importance of GSDMs within the gastrointestinal system, underscoring their critical contributions to the pathophysiology of gastrointestinal cancers, enteric infections and gut mucosal inflammation, such as inflammatory bowel disease. However, with this increase in knowledge, several important and controversial issues have arisen regarding basic GSDM biology and its role(s) during health and disease states. These include critical questions centred around GSDM-dependent lytic versus non-lytic functions, the biological activities of cleaved versus full-length proteins, the differential roles of GSDM-expressing mucosal immune versus epithelial cells, and whether GSDMs promote pathogenic or protective effects during specific disease settings. This Review provides a comprehensive summary and interpretation of the current literature on GSDM biology, specifically focusing on the gastrointestinal tract, highlighting the main controversial issues and their clinical implications, and addressing future areas of research to unravel the specific role(s) of this intriguing, yet enigmatic, family of proteins.
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Affiliation(s)
- Giuseppe Privitera
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH, USA
- Dipartimento Universitario di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Nitish Rana
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH, USA
- Department of Physiology & Biophysics, Case Western Reserve University School of Medicine, Cleveland, OH, USA
| | - Alessandro Armuzzi
- IBD Center, IRCCS Humanitas Research Hospital, Rozzano, Milan, Italy
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy
| | - Theresa T Pizarro
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH, USA.
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29
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Greenwood CS, Wynosky-Dolfi MA, Beal AM, Booty LM. Gasdermins assemble; recent developments in bacteriology and pharmacology. Front Immunol 2023; 14:1173519. [PMID: 37266429 PMCID: PMC10230072 DOI: 10.3389/fimmu.2023.1173519] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Accepted: 05/02/2023] [Indexed: 06/03/2023] Open
Abstract
The discovery of gasdermin D (GSDMD) as the terminal executioner of pyroptosis provided a large piece of the cell death puzzle, whilst simultaneously and firmly putting the gasdermin family into the limelight. In its purest form, GSDMD provides a connection between the innate alarm systems to an explosive, inflammatory form of cell death to jolt the local environment into immunological action. However, the gasdermin field has moved rapidly and significantly since the original seminal work and novel functions and mechanisms have been recently uncovered, particularly in response to infection. Gasdermins regulate and are regulated by mechanisms such as autophagy, metabolism and NETosis in fighting pathogen and protecting host. Importantly, activators and interactors of the other gasdermins, not just GSDMD, have been recently elucidated and have opened new avenues for gasdermin-based discovery. Key to this is the development of potent and specific tool molecules, so far a challenge for the field. Here we will cover some of these recently discovered areas in relation to bacterial infection before providing an overview of the pharmacological landscape and the challenges associated with targeting gasdermins.
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Affiliation(s)
- Claudine S. Greenwood
- Chemical Biology, GSK, Stevenage, United Kingdom
- Pure and Applied Chemistry, University of Strathclyde, Glasgow, United Kingdom
| | | | - Allison M. Beal
- Immunology Research Unit, GSK, Philadelphia, PA, United States
| | - Lee M. Booty
- Immunology Network, GSK, Stevenage, United Kingdom
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30
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Ben Ahmed A, Lemaire Q, Scache J, Mariller C, Lefebvre T, Vercoutter-Edouart AS. O-GlcNAc Dynamics: The Sweet Side of Protein Trafficking Regulation in Mammalian Cells. Cells 2023; 12:1396. [PMID: 37408229 DOI: 10.3390/cells12101396] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 05/11/2023] [Accepted: 05/12/2023] [Indexed: 07/07/2023] Open
Abstract
The transport of proteins between the different cellular compartments and the cell surface is governed by the secretory pathway. Alternatively, unconventional secretion pathways have been described in mammalian cells, especially through multivesicular bodies and exosomes. These highly sophisticated biological processes rely on a wide variety of signaling and regulatory proteins that act sequentially and in a well-orchestrated manner to ensure the proper delivery of cargoes to their final destination. By modifying numerous proteins involved in the regulation of vesicular trafficking, post-translational modifications (PTMs) participate in the tight regulation of cargo transport in response to extracellular stimuli such as nutrient availability and stress. Among the PTMs, O-GlcNAcylation is the reversible addition of a single N-acetylglucosamine monosaccharide (GlcNAc) on serine or threonine residues of cytosolic, nuclear, and mitochondrial proteins. O-GlcNAc cycling is mediated by a single couple of enzymes: the O-GlcNAc transferase (OGT) which catalyzes the addition of O-GlcNAc onto proteins, and the O-GlcNAcase (OGA) which hydrolyses it. Here, we review the current knowledge on the emerging role of O-GlcNAc modification in the regulation of protein trafficking in mammalian cells, in classical and unconventional secretory pathways.
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Affiliation(s)
- Awatef Ben Ahmed
- Univ. Lille, CNRS, UMR 8576-UGSF-Unité de Glycobiologie Structurale et Fonctionnelle, F-59000 Lille, France
| | - Quentin Lemaire
- Univ. Lille, CNRS, UMR 8576-UGSF-Unité de Glycobiologie Structurale et Fonctionnelle, F-59000 Lille, France
| | - Jodie Scache
- Univ. Lille, CNRS, UMR 8576-UGSF-Unité de Glycobiologie Structurale et Fonctionnelle, F-59000 Lille, France
| | - Christophe Mariller
- Univ. Lille, CNRS, UMR 8576-UGSF-Unité de Glycobiologie Structurale et Fonctionnelle, F-59000 Lille, France
| | - Tony Lefebvre
- Univ. Lille, CNRS, UMR 8576-UGSF-Unité de Glycobiologie Structurale et Fonctionnelle, F-59000 Lille, France
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31
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Kopp EB, Agaronyan K, Licona-Limón I, Nish SA, Medzhitov R. Modes of type 2 immune response initiation. Immunity 2023; 56:687-694. [PMID: 37044059 DOI: 10.1016/j.immuni.2023.03.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/18/2023] [Accepted: 03/20/2023] [Indexed: 04/14/2023]
Abstract
Type 2 immunity defends against macro-parasites and can cause allergic diseases. Our understanding of the mechanisms governing the initiation of type 2 immunity is limited, whereas we know more about type 1 immune responses. Type 2 immunity can be triggered by a wide array of inducers that do not share common features and via diverse pathways and mechanisms. To address the complexity of the type 2 initiation pathways, we suggest a framework that conceptualizes different modes of induction of type 2 immunity. We discuss categories of type 2 inducers and their immunogenicity, types of tissue perturbations that are caused by these inducers, sensing strategies for the initiation of Th2 immune responses, and categorization of the signals that are produced in response to type 2 challenges. We describe tissue-specific examples of functional disruption that could lead to type 2 inflammation and propose that different sensing strategies that operate at the tissue level converge on the initiation of type 2 immune responses.
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Affiliation(s)
- Elizabeth B Kopp
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06510, USA
| | - Karen Agaronyan
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06510, USA; Howard Hughes Medical Institute, New Haven, CT 06510, USA
| | - Ileana Licona-Limón
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06510, USA
| | - Simone A Nish
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06510, USA
| | - Ruslan Medzhitov
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06510, USA; Howard Hughes Medical Institute, New Haven, CT 06510, USA; Tananbaum Center for Theoretical and Analytical Human Biology, Yale University School of Medicine, New Haven, CT, USA.
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32
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Zhang Z, Huang Z, Awad M, Elsalanty M, Cray J, Ball LE, Maynard JC, Burlingame AL, Zeng H, Mansky KC, Ruan HB. O-GlcNAc glycosylation orchestrates fate decision and niche function of bone marrow stromal progenitors. eLife 2023; 12:85464. [PMID: 36861967 PMCID: PMC10032655 DOI: 10.7554/elife.85464] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Accepted: 03/01/2023] [Indexed: 03/03/2023] Open
Abstract
In mammals, interactions between the bone marrow (BM) stroma and hematopoietic progenitors contribute to bone-BM homeostasis. Perinatal bone growth and ossification provide a microenvironment for the transition to definitive hematopoiesis; however, mechanisms and interactions orchestrating the development of skeletal and hematopoietic systems remain largely unknown. Here, we establish intracellular O-linked β-N-acetylglucosamine (O-GlcNAc) modification as a posttranslational switch that dictates the differentiation fate and niche function of early BM stromal cells (BMSCs). By modifying and activating RUNX2, O-GlcNAcylation promotes osteogenic differentiation of BMSCs and stromal IL-7 expression to support lymphopoiesis. In contrast, C/EBPβ-dependent marrow adipogenesis and expression of myelopoietic stem cell factor (SCF) is inhibited by O-GlcNAcylation. Ablating O-GlcNAc transferase (OGT) in BMSCs leads to impaired bone formation, increased marrow adiposity, as well as defective B-cell lymphopoiesis and myeloid overproduction in mice. Thus, the balance of osteogenic and adipogenic differentiation of BMSCs is determined by reciprocal O-GlcNAc regulation of transcription factors, which simultaneously shapes the hematopoietic niche.
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Affiliation(s)
- Zengdi Zhang
- Department of Integrative Biology and Physiology, University of Minnesota Medical School, Minneapolis, United States
| | - Zan Huang
- Department of Integrative Biology and Physiology, University of Minnesota Medical School, Minneapolis, United States
- Laboratory of Gastrointestinal Microbiology, Jiangsu Key Laboratory of Gastrointestinal Nutrition and Animal Health, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
- National Center for International Research on Animal Gut Nutrition, Nanjing Agricultural University, Nanjing, China
| | - Mohamed Awad
- Department of Medical Anatomical Sciences, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, United States
| | - Mohammed Elsalanty
- Department of Medical Anatomical Sciences, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, United States
| | - James Cray
- Department of Biomedical Education and Anatomy, The Ohio State University College of Medicine, and Division of Biosciences, The Ohio State University College of Dentistry, Columbus, United States
| | - Lauren E Ball
- Department of Cell and Molecular Pharmacology & Experimental Therapeutics, Medical University of South Carolina, Charleston, United States
| | - Jason C Maynard
- Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco, United States
| | - Alma L Burlingame
- Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco, United States
| | - Hu Zeng
- Division of Rheumatology, Department of Internal Medicine, Mayo Clinic, Rochester, United States
- Department of Immunology, Mayo Clinic, Rochester, United States
| | - Kim C Mansky
- Department of Developmental and Surgical Sciences, School of Dentistry, University of Minnesota, Minneapolis, United States
| | - Hai-Bin Ruan
- Department of Integrative Biology and Physiology, University of Minnesota Medical School, Minneapolis, United States
- Center for Immunology, University of Minnesota Medical School, Minneapolis, United States
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33
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Wang Y, Fang X, Wang S, Wang B, Chu F, Tian Z, Zhang L, Zhou F. The role of O-GlcNAcylation in innate immunity and inflammation. J Mol Cell Biol 2023; 14:6880149. [PMID: 36473120 PMCID: PMC9951266 DOI: 10.1093/jmcb/mjac065] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 07/30/2022] [Accepted: 09/06/2022] [Indexed: 12/12/2022] Open
Abstract
O-linked β-N-acetylglucosaminylation (O-GlcNAcylation) is a highly dynamic and widespread post-translational modification (PTM) that regulates the activity, subcellular localization, and stability of target proteins. O-GlcNAcylation is a reversible PTM controlled by two cycling enzymes: O-linked N-acetylglucosamine transferase and O-GlcNAcase. Emerging evidence indicates that O-GlcNAcylation plays critical roles in innate immunity, inflammatory signaling, and cancer development. O-GlcNAcylation usually occurs on serine/threonine residues, where it interacts with other PTMs, such as phosphorylation. Thus, it likely has a broad regulatory scope. This review discusses the recent research advances regarding the regulatory roles of O-GlcNAcylation in innate immunity and inflammation. A more comprehensive understanding of O-GlcNAcylation could help to optimize therapeutic strategies regarding inflammatory diseases and cancer.
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Affiliation(s)
- Yongqiang Wang
- Institutes of Biology and Medical Science, Soochow University, Suzhou 215123, China
| | - Xiuwu Fang
- Institutes of Biology and Medical Science, Soochow University, Suzhou 215123, China
| | - Shuai Wang
- Institutes of Biology and Medical Science, Soochow University, Suzhou 215123, China
| | - Bin Wang
- MOE Laboratory of Biosystems Homeostasis and Protection and Innovation Center for Cell Signaling Network, Life Sciences Institute, Zhejiang University, Hangzhou 310058, China
| | - Feng Chu
- Institutes of Biology and Medical Science, Soochow University, Suzhou 215123, China
| | - Zhixin Tian
- Institutes of Biology and Medical Science, Soochow University, Suzhou 215123, China
| | - Long Zhang
- MOE Laboratory of Biosystems Homeostasis and Protection and Innovation Center for Cell Signaling Network, Life Sciences Institute, Zhejiang University, Hangzhou 310058, China
| | - Fangfang Zhou
- Institutes of Biology and Medical Science, Soochow University, Suzhou 215123, China
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34
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Abstract
Although seemingly unrelated, parasitic worms, venoms, and allergens all induce a type 2 immune response. The effector functions and clinical features of type 2 immunity are well-defined, but fundamental questions about the initiation of type 2 immunity remain unresolved. How are these enormously diverse type 2 stimuli first detected? How are type 2 helper T cells primed and regulated? And how do mechanisms of type 2 initiation vary across tissues? Here, we review the common themes governing type 2 immune sensing and explore aspects of T cell priming and effector reactivation that make type 2 helper T cells a unique T helper lineage. Throughout the review, we emphasize the importance of non-hematopoietic cells and highlight how the unique anatomy and physiology of each barrier tissue shape mechanisms of type 2 immune initiation.
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Affiliation(s)
- Margaret M McDaniel
- Department of Immunology, University of Washington School of Medicine, Seattle, USA.
| | - Heber I Lara
- Department of Immunology, University of Washington School of Medicine, Seattle, USA
| | - Jakob von Moltke
- Department of Immunology, University of Washington School of Medicine, Seattle, USA
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35
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Gong W, Yang K, Zhao W, Zheng J, Yu J, Guo K, Sun X. Intestinal Gasdermins for regulation of inflammation and tumorigenesis. Front Immunol 2022; 13:1052111. [PMID: 36505474 PMCID: PMC9732009 DOI: 10.3389/fimmu.2022.1052111] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 11/14/2022] [Indexed: 11/27/2022] Open
Abstract
Gasdermins (GSDMs) protein family express in intestinal epithelial cells or lamina propria immune cells, and play a nonnegligible function during gut homeostasis. With the gradually in-depth investigation of GSDMs protein family, the proteases that cleave GSDMA-E have been identified. Intestinal GSDMs-induced pyroptosis is demonstrated to play a crucial role in the removal of self-danger molecules and clearance of pathogenic organism infection by mediating inflammatory reaction and collapsing the protective niche for pathogens. Simultaneously, excessive pyroptosis leading to the release of cellular contents including inflammatory mediators into the extracellular environment, enhancing the mucosal immune response. GSDMs-driver pyroptosis also participates in a novel inflammatory cell death, PANoptosis, which makes a significant sense to the initiation and progression of gut diseases. Moreover, GSDMs are expressed in healthy intestinal tissue without obvious pyroptosis and inflammation, indicating the potential intrinsic physiological functions of GSDMs that independent of pyroptotic cell death during maintenance of intestinal homeostasis. This review provides an overview of the latest advances in the physiological and pathological properties of GSDMs, including its mediated pyroptosis, related PANoptosis, and inherent functions independent of pyroptosis, with a focus on their roles involved in intestinal inflammation and tumorigenesis.
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Affiliation(s)
- Wenbin Gong
- Department of General Surgery, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Kui Yang
- Department of General Surgery, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Wei Zhao
- Department of General Surgery, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Jianbao Zheng
- Department of General Surgery, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Junhui Yu
- Department of General Surgery, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China,*Correspondence: Junhui Yu, ; Kun Guo, ; Xuejun Sun,
| | - Kun Guo
- Department of General Surgery, the First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China,*Correspondence: Junhui Yu, ; Kun Guo, ; Xuejun Sun,
| | - Xuejun Sun
- Department of General Surgery, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China,*Correspondence: Junhui Yu, ; Kun Guo, ; Xuejun Sun,
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36
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Xu L, Wei C, Chen Y, Wu Y, Shou X, Chen W, Lu D, Sun H, Li W, Yu B, Wang X, Zhang X, Yu Y, Lei Z, Tang R, Zhu J, Li Y, Lu L, Zhou H, Zhou S, Su C, Chen X. IL-33 induces thymic involution-associated naive T cell aging and impairs host control of severe infection. Nat Commun 2022; 13:6881. [PMID: 36371464 PMCID: PMC9653498 DOI: 10.1038/s41467-022-34660-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Accepted: 11/01/2022] [Indexed: 11/13/2022] Open
Abstract
Severe infection commonly results in immunosuppression, which leads to impaired pathogen clearance or increased secondary infection in both humans and animals. However, the exact mechanisms remain poorly understood. Here, we demonstrate that IL-33 results in immunosuppression by inducing thymic involution-associated naive T cell dysfunction with aberrant expression of aging-associated genes and impairs host control of infection in mouse disease models of schistosomiasis or sepsis. Furthermore, we illustrate that IL-33 triggers the excessive generation of medullary thymic epithelial cell (mTEC) IV (thymic tuft cells) in a Pou2f3-dependent manner, as a consequence, disturbs mTEC/cortical TEC (cTEC) compartment and causes thymic involution during severe infection. More importantly, IL-33 deficiency, the anti-IL-33 neutralizing antibody treatment, or IL-33 receptor ST2 deficient thymus transplantation rescues T cell immunity to better control infection in mice. Our findings not only uncover a link between severe infection-induced IL-33 and thymic involution-mediated naive T cell aging, but also suggest that targeting IL-33 or ST2 is a promising strategy to rejuvenate T cell immunity to better control severe infection.
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Affiliation(s)
- Lei Xu
- grid.89957.3a0000 0000 9255 8984Jiangsu Key Laboratory of Pathogen Biology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Department of Pathogen Biology and Immunology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Center for Global Health, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Department of Respiratory, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu 210006 P. R. China ,grid.89957.3a0000 0000 9255 8984Department of Clinical Laboratory, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu 210006 P. R. China
| | - Chuan Wei
- grid.89957.3a0000 0000 9255 8984Jiangsu Key Laboratory of Pathogen Biology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Department of Pathogen Biology and Immunology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Center for Global Health, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China
| | - Ying Chen
- grid.89957.3a0000 0000 9255 8984Jiangsu Key Laboratory of Pathogen Biology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Department of Pathogen Biology and Immunology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Center for Global Health, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China
| | - Yue Wu
- grid.89957.3a0000 0000 9255 8984Jiangsu Key Laboratory of Pathogen Biology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Department of Pathogen Biology and Immunology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Center for Global Health, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China
| | - Xiaoli Shou
- grid.89957.3a0000 0000 9255 8984Jiangsu Key Laboratory of Pathogen Biology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Department of Pathogen Biology and Immunology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Center for Global Health, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China
| | - Wenjie Chen
- grid.89957.3a0000 0000 9255 8984Jiangsu Key Laboratory of Pathogen Biology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Department of Pathogen Biology and Immunology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Center for Global Health, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China
| | - Di Lu
- grid.89957.3a0000 0000 9255 8984Jiangsu Key Laboratory of Pathogen Biology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Department of Pathogen Biology and Immunology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Center for Global Health, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China
| | - Haoran Sun
- grid.89957.3a0000 0000 9255 8984Jiangsu Key Laboratory of Pathogen Biology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Department of Pathogen Biology and Immunology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Center for Global Health, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China
| | - Wei Li
- grid.89957.3a0000 0000 9255 8984Department of Clinical Laboratory, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu 210006 P. R. China
| | - Beibei Yu
- grid.89957.3a0000 0000 9255 8984Jiangsu Key Laboratory of Pathogen Biology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Department of Pathogen Biology and Immunology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Center for Global Health, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China
| | - Xiaowei Wang
- grid.452511.6Department of Blood Transfusion, Children’s Hospital of Nanjing Medical University, Nanjing, Jiangsu 210008 P. R. China
| | - Xiaojun Zhang
- grid.452511.6Imaging Center, Children’s Hospital of Nanjing Medical University, Nanjing, Jiangsu 210008 P. R. China
| | - Yanxiong Yu
- grid.89957.3a0000 0000 9255 8984Jiangsu Key Laboratory of Pathogen Biology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Department of Pathogen Biology and Immunology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Center for Global Health, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China
| | - Zhigang Lei
- grid.89957.3a0000 0000 9255 8984Jiangsu Key Laboratory of Pathogen Biology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Department of Pathogen Biology and Immunology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Center for Global Health, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China
| | - Rui Tang
- grid.89957.3a0000 0000 9255 8984Jiangsu Key Laboratory of Pathogen Biology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Department of Pathogen Biology and Immunology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Center for Global Health, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China
| | - Jifeng Zhu
- grid.89957.3a0000 0000 9255 8984Jiangsu Key Laboratory of Pathogen Biology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Department of Pathogen Biology and Immunology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Center for Global Health, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China
| | - Yalin Li
- grid.89957.3a0000 0000 9255 8984Jiangsu Key Laboratory of Pathogen Biology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Department of Pathogen Biology and Immunology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Center for Global Health, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China
| | - Linrong Lu
- grid.13402.340000 0004 1759 700XInstitute of Immunology, School of Medicine, Zhejiang University, Hangzhou, 310058 P. R. China
| | - Hong Zhou
- grid.186775.a0000 0000 9490 772XDepartment of Cell Biology, School of Life Sciences, Anhui Medical University, Hefei, 230032 P. R. China
| | - Sha Zhou
- grid.89957.3a0000 0000 9255 8984Jiangsu Key Laboratory of Pathogen Biology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Department of Pathogen Biology and Immunology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Center for Global Health, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China
| | - Chuan Su
- grid.89957.3a0000 0000 9255 8984Jiangsu Key Laboratory of Pathogen Biology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Department of Pathogen Biology and Immunology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Center for Global Health, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China
| | - Xiaojun Chen
- grid.89957.3a0000 0000 9255 8984Jiangsu Key Laboratory of Pathogen Biology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984State Key Lab of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Department of Pathogen Biology and Immunology, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China ,grid.89957.3a0000 0000 9255 8984Center for Global Health, Nanjing Medical University, Nanjing, Jiangsu 211166 P. R. China
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37
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Jou E, Rodriguez-Rodriguez N, McKenzie ANJ. Emerging roles for IL-25 and IL-33 in colorectal cancer tumorigenesis. Front Immunol 2022; 13:981479. [PMID: 36263033 PMCID: PMC9573978 DOI: 10.3389/fimmu.2022.981479] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 09/15/2022] [Indexed: 12/31/2022] Open
Abstract
Colorectal cancer (CRC) is the second leading cause of cancer-related death worldwide, and is largely refractory to current immunotherapeutic interventions. The lack of efficacy of existing cancer immunotherapies in CRC reflects the complex nature of the unique intestinal immune environment, which serves to maintain barrier integrity against pathogens and harmful environmental stimuli while sustaining host-microbe symbiosis during homeostasis. With their expression by barrier epithelial cells, the cytokines interleukin-25 (IL-25) and IL-33 play key roles in intestinal immune responses, and have been associated with inappropriate allergic reactions, autoimmune diseases and cancer pathology. Studies in the past decade have begun to uncover the important roles of IL-25 and IL-33 in shaping the CRC tumour immune microenvironment, where they may promote or inhibit tumorigenesis depending on the specific CRC subtype. Notably, both IL-25 and IL-33 have been shown to act on group 2 innate lymphoid cells (ILC2s), but can also stimulate an array of other innate and adaptive immune cell types. Though sometimes their functions can overlap they can also produce distinct phenotypes dependent on the differential distribution of their receptor expression. Furthermore, both IL-25 and IL-33 modulate pathways previously known to contribute to CRC tumorigenesis, including angiogenesis, tumour stemness, invasion and metastasis. Here, we review our current understanding of IL-25 and IL-33 in CRC tumorigenesis, with specific focus on dissecting their individual function in the context of distinct subtypes of CRC, and the potential prospects for targeting these pathways in CRC immunotherapy.
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Affiliation(s)
- Eric Jou
- MRC Laboratory of Molecular Biology, Cambridge, United Kingdom
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38
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Xiong X, Huang R, Li Z, Yang C, Wang Q, Ruan H, Xu L. Intestinal Epithelial STAT6 Activation Rescues the Defective Anti-Helminth Responses Caused by Ogt Deletion. Int J Mol Sci 2022; 23:11137. [PMID: 36232438 PMCID: PMC9569950 DOI: 10.3390/ijms231911137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 09/14/2022] [Accepted: 09/18/2022] [Indexed: 12/02/2022] Open
Abstract
Dynamic regulation of intestinal epithelial cell (IEC) proliferation and differentiation is crucial for maintaining mucosa homeostasis and the response to helminth infection. O-GlcNAc transferase (OGT), an enzyme catalyzing the transfer of GlcNAc from the donor substrate UDP-GlcNAc onto acceptor proteins, has been proposed to promote intestinal epithelial remodeling for helminth expulsion by modifying and activating epithelial STAT6, but whether the IEC intrinsic OGT-STAT6 axis is involved in anti-helminth responses has not been tested in vivo. Here, we show that the inducible deletion of Ogt in IECs of adult mice leads to reduced tuft and goblet cell differentiation, increased crypt cell proliferation, and aberrant Paneth cell localization. By using a mouse model with concurrent Ogt deletion and STAT6 overexpression in IECs, we provide direct in vivo evidence that STAT6 acts downstream of OGT to control tuft and goblet cell differentiation in IECs. However, epithelial OGT regulates crypt cell proliferation and Paneth cell differentiation in a STAT6-independent pathway. Our results verify that protein O-GlcNAcylation in IECs is crucial for maintaining epithelial homeostasis and anti-helminthic type 2 immune responses.
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Xiong X, Yang C, He WQ, Yu J, Xin Y, Zhang X, Huang R, Ma H, Xu S, Li Z, Ma J, Xu L, Wang Q, Ren K, Wu XS, Vakoc CR, Zhong J, Zhong G, Zhu X, Song Y, Ruan HB, Wang Q. Sirtuin 6 maintains epithelial STAT6 activity to support intestinal tuft cell development and type 2 immunity. Nat Commun 2022; 13:5192. [PMID: 36057627 DOI: 10.1038/s41467-022-32846-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Accepted: 08/19/2022] [Indexed: 02/08/2023] Open
Abstract
Dynamic regulation of intestinal epithelial cell (IEC) differentiation is crucial for both homeostasis and the response to helminth infection. SIRT6 belongs to the NAD+-dependent deacetylases and has established diverse roles in aging, metabolism and disease. Here, we report that IEC Sirt6 deletion leads to impaired tuft cell development and type 2 immunity in response to helminth infection, thereby resulting in compromised worm expulsion. Conversely, after helminth infection, IEC SIRT6 transgenic mice exhibit enhanced epithelial remodeling process and more efficient worm clearance. Mechanistically, Sirt6 ablation causes elevated Socs3 expression, and subsequently attenuated tyrosine 641 phosphorylation of STAT6 in IECs. Notably, intestinal epithelial overexpression of constitutively activated STAT6 (STAT6vt) in mice is sufficient to induce the expansion of tuft and goblet cell linage. Furthermore, epithelial STAT6vt overexpression remarkedly reverses the defects in intestinal epithelial remodeling caused by Sirt6 ablation. Our results reveal a novel function of SIRT6 in regulating intestinal epithelial remodeling and mucosal type 2 immunity in response to helminth infection. Host defense against helminth infection is mediated by mucosal type 2 immunity. Using gain- and loss-of-function mouse models, and mouse intestinal organoids, Xiong et al. show that SIRT6 modulates tuft and goblet cell expansion in intestinal epithelium by activating STAT6 to maintain type 2 mucosal immunity in response to helminth infection.
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Yeoh WJ, Vu VP, Krebs P. IL-33 biology in cancer: An update and future perspectives. Cytokine 2022; 157:155961. [PMID: 35843125 DOI: 10.1016/j.cyto.2022.155961] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 05/03/2022] [Accepted: 07/01/2022] [Indexed: 12/14/2022]
Abstract
Interleukin-33 (IL-33) is a member of the IL-1 family of cytokines that is constitutively expressed in the nucleus of epithelial, endothelial and fibroblast-like cells. Upon cell stress, damage or necrosis, IL-33 is released into the cytoplasm to exert its prime role as an alarmin by binding to its specific receptor moiety, ST2. IL-33 exhibits pleiotropic function in inflammatory diseases and particularly in cancer. IL-33 may play a dual role as both a pro-tumorigenic and anti-tumorigenic cytokine, dependent on tumor and cellular context, expression levels, bioactivity and the nature of the inflammatory environment. In this review, we discuss the differential contribution of IL-33 to malignant or inflammatory conditions, its multifaceted effects on the tumor microenvironment, while providing possible explanations for the discrepant findings described in the literature. Additionally, we examine the emerging and divergent functions of IL-33 in the nucleus, and aspects of IL-33 biology that are currently under-addressed.
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Affiliation(s)
- Wen Jie Yeoh
- Institute of Pathology, University of Bern, Bern, Switzerland; Graduate School for Cellular and Biomedical Sciences, University of Bern, Switzerland
| | - Vivian P Vu
- Institute of Pathology, University of Bern, Bern, Switzerland; Graduate School for Cellular and Biomedical Sciences, University of Bern, Switzerland
| | - Philippe Krebs
- Institute of Pathology, University of Bern, Bern, Switzerland.
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Zhang Z, Salgado OC, Liu B, Moazzami Z, Hogquist KA, Farrar MA, Ruan HB. An OGT-STAT5 Axis in Regulatory T Cells Controls Energy and Iron Metabolism. Front Immunol 2022; 13:874863. [PMID: 35874700 PMCID: PMC9304952 DOI: 10.3389/fimmu.2022.874863] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Accepted: 06/20/2022] [Indexed: 11/13/2022] Open
Abstract
The immunosuppressive regulatory T (Treg) cells exert emerging effects on adipose tissue homeostasis and systemic metabolism. However, the metabolic regulation and effector mechanisms of Treg cells in coping with obesogenic insults are not fully understood. We have previously established an indispensable role of the O-linked N-Acetylglucosamine (O-GlcNAc) signaling in maintaining Treg cell identity and promoting Treg suppressor function, via STAT5 O-GlcNAcylation and activation. Here, we investigate the O-GlcNAc transferase (OGT)-STAT5 axis in driving the immunomodulatory function of Treg cells for metabolic homeostasis. Treg cell-specific OGT deficiency renders mice more vulnerable to high-fat diet (HFD)-induced adiposity and insulin resistance. Conversely, constitutive STAT5 activation in Treg cells confers protection against adipose tissue expansion and impaired glucose and insulin metabolism upon HFD feeding, in part by suppressing adipose lipid uptake and redistributing systemic iron storage. Treg cell function can be augmented by targeting the OGT-STAT5 axis to combat obesity and related metabolic disorders.
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Affiliation(s)
- Zengdi Zhang
- Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, MN, United States
| | - Oscar C. Salgado
- Center for Immunology, University of Minnesota, Minneapolis, MN, United States
| | - Bing Liu
- Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, MN, United States
| | - Zahra Moazzami
- Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, MN, United States
- Department of Food Science and Nutrition, University of Minnesota, Minneapolis, MN, United States
| | - Kristin A. Hogquist
- Center for Immunology, University of Minnesota, Minneapolis, MN, United States
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN, United States
| | - Michael A. Farrar
- Center for Immunology, University of Minnesota, Minneapolis, MN, United States
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN, United States
| | - Hai-Bin Ruan
- Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, MN, United States
- Center for Immunology, University of Minnesota, Minneapolis, MN, United States
- *Correspondence: Hai-Bin Ruan,
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Hawerkamp HC, Fallon PG. Expelliarmus helminthus! Harry Helminth and the Goblet of Alarmins. Immunity 2022; 55:575-577. [PMID: 35417668 DOI: 10.1016/j.immuni.2022.03.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Epithelial cells (tuft and goblet cells) interact with immune cells on the "inside" while secreting effector molecules into the topological "outside." In this issue of Immunity, Zhao et al. investigate an interleukin-33 (IL-33) secretion mechanism in goblet cells dependent on O-GlcNAcylation and gasdermin pores facilitating worm expulsion.
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Affiliation(s)
- Heike C Hawerkamp
- School of Medicine, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin 2, Ireland.
| | - Padraic G Fallon
- School of Medicine, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin 2, Ireland.
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Demarco B, Danielli S, Fischer FA, Bezbradica JS. How Pyroptosis Contributes to Inflammation and Fibroblast-Macrophage Cross-Talk in Rheumatoid Arthritis. Cells 2022; 11:1307. [PMID: 35455985 DOI: 10.3390/cells11081307] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 04/09/2022] [Accepted: 04/11/2022] [Indexed: 12/11/2022] Open
Abstract
About thirty years ago, a new form of pro-inflammatory lytic cell death was observed and termed pyroptosis. Only in 2015, gasdermins were defined as molecules that create pores at the plasma membrane and drive pyroptosis. Today, we know that gasdermin-mediated death is an important antimicrobial defence mechanism in bacteria, yeast and mammals as it destroys the intracellular niche for pathogen replication. However, excessive and uncontrolled cell death also contributes to immunopathology in several chronic inflammatory diseases, including arthritis. In this review, we discuss recent findings where pyroptosis contributes to tissue damage and inflammation with a main focus on injury-induced and autoimmune arthritis. We also review novel functions and regulatory mechanisms of the pyroptotic executors gasdermins. Finally, we discuss possible models of how pyroptosis may contribute to the cross-talk between fibroblast and macrophages, and also how this cross-talk may regulate inflammation by modulating inflammasome activation and pyroptosis induction.
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