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Liu Y, Pan R, Ouyang Y, Gu W, Xiao T, Yang H, Tang L, Wang H, Xiang B, Chen P. Pyroptosis in health and disease: mechanisms, regulation and clinical perspective. Signal Transduct Target Ther 2024; 9:245. [PMID: 39300122 DOI: 10.1038/s41392-024-01958-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2024] [Revised: 08/14/2024] [Accepted: 08/26/2024] [Indexed: 09/22/2024] Open
Abstract
Pyroptosis is a type of programmed cell death characterized by cell swelling and osmotic lysis, resulting in cytomembrane rupture and release of immunostimulatory components, which play a role in several pathological processes. Significant cellular responses to various stimuli involve the formation of inflammasomes, maturation of inflammatory caspases, and caspase-mediated cleavage of gasdermin. The function of pyroptosis in disease is complex but not a simple angelic or demonic role. While inflammatory diseases such as sepsis are associated with uncontrollable pyroptosis, the potent immune response induced by pyroptosis can be exploited as a therapeutic target for anti-tumor therapy. Thus, a comprehensive review of the role of pyroptosis in disease is crucial for further research and clinical translation from bench to bedside. In this review, we summarize the recent advancements in understanding the role of pyroptosis in disease, covering the related development history, molecular mechanisms including canonical, non-canonical, caspase 3/8, and granzyme-mediated pathways, and its regulatory function in health and multiple diseases. Moreover, this review also provides updates on promising therapeutic strategies by applying novel small molecule inhibitors and traditional medicines to regulate pyroptosis. The present dilemmas and future directions in the landscape of pyroptosis are also discussed from a clinical perspective, providing clues for scientists to develop novel drugs targeting pyroptosis.
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Affiliation(s)
- Yifan Liu
- The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University/Hunan Cancer Hospital, Changsha, 410013, China
- Department of Oncology, Xiangya Hospital, Central South University, 87th Xiangya road, Changsha, 410008, Hunan province, China
| | - Renjie Pan
- The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University/Hunan Cancer Hospital, Changsha, 410013, China
| | - Yuzhen Ouyang
- The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University/Hunan Cancer Hospital, Changsha, 410013, China
- Department of Neurology, Xiangya Hospital, Central South University, 87th Xiangya road, Changsha, 410008, Hunan province, China
| | - Wangning Gu
- The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University/Hunan Cancer Hospital, Changsha, 410013, China
| | - Tengfei Xiao
- The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University/Hunan Cancer Hospital, Changsha, 410013, China
| | - Hongmin Yang
- The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University/Hunan Cancer Hospital, Changsha, 410013, China
| | - Ling Tang
- The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University/Hunan Cancer Hospital, Changsha, 410013, China
| | - Hui Wang
- The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University/Hunan Cancer Hospital, Changsha, 410013, China.
| | - Bo Xiang
- The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University/Hunan Cancer Hospital, Changsha, 410013, China.
| | - Pan Chen
- The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University/Hunan Cancer Hospital, Changsha, 410013, China.
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Liu Q, Li M, Sun M, Xin R, Wang Y, Chen Q, Gao X, Lin Z. Depletion of Gsdma1/2/3 alleviates PMA-induced epidermal hyperplasia by inhibiting the EGFR-Stat3/Akt pathway. J Mol Cell Biol 2024; 16:mjad080. [PMID: 38115633 PMCID: PMC11253210 DOI: 10.1093/jmcb/mjad080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 06/08/2023] [Accepted: 12/18/2023] [Indexed: 12/21/2023] Open
Abstract
Homeostasis of the skin barrier is essential for maintaining normal skin function. Gasdermin A (GSDMA) is highly expressed in the skin and associated with many skin diseases, such as melanoma and psoriasis. In mice, GSDMA is encoded by three gene homologues, namely Gsdma1, Gsdma2, and Gsdma3. Although Gsdma3 gain-of-function mutations cause hair loss and skin inflammation, Gsdma3-deficient mice do not show any visible phenotypes in skin and hair structures. To explore the physiological function of GSDMA, we generated conventional Gsdma1/2/3 knockout (KO) mice. These mice showed significantly alleviated epidermal hyperplasia and inflammation induced by phorbol 12-myristate 13-acetate (PMA). Furthermore, the alleviation of epidermal hyperplasia depended on the expression of Gsdma1/2/3 specifically in keratinocytes. Mechanistically, Gsdma1/2/3 depletion downregulated epidermal growth factor receptor (EGFR) ligands, leading to the decreased EGFR-Stat3/Akt signalling. These results demonstrate that depletion of Gsdma1/2/3 alleviates PMA-induced epidermal hyperplasia partially by inhibiting the EGFR-Stat3/Akt pathway.
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Affiliation(s)
- Qiyao Liu
- MOE Key Laboratory of Model Animals for Disease Study, State Key Laboratory of Pharmaceutical Biotechnology, Jiangsu Key Laboratory of Molecular Medicine, Model Animal Research Center, National Resource Center for Mutant Mice of China, Nanjing Drum Tower Hospital, School of Medicine, Nanjing University, Nanjing 210061, China
| | - Manyun Li
- MOE Key Laboratory of Model Animals for Disease Study, State Key Laboratory of Pharmaceutical Biotechnology, Jiangsu Key Laboratory of Molecular Medicine, Model Animal Research Center, National Resource Center for Mutant Mice of China, Nanjing Drum Tower Hospital, School of Medicine, Nanjing University, Nanjing 210061, China
| | - Minli Sun
- MOE Key Laboratory of Model Animals for Disease Study, State Key Laboratory of Pharmaceutical Biotechnology, Jiangsu Key Laboratory of Molecular Medicine, Model Animal Research Center, National Resource Center for Mutant Mice of China, Nanjing Drum Tower Hospital, School of Medicine, Nanjing University, Nanjing 210061, China
| | - Ruyue Xin
- MOE Key Laboratory of Model Animals for Disease Study, State Key Laboratory of Pharmaceutical Biotechnology, Jiangsu Key Laboratory of Molecular Medicine, Model Animal Research Center, National Resource Center for Mutant Mice of China, Nanjing Drum Tower Hospital, School of Medicine, Nanjing University, Nanjing 210061, China
| | - Yushu Wang
- MOE Key Laboratory of Model Animals for Disease Study, State Key Laboratory of Pharmaceutical Biotechnology, Jiangsu Key Laboratory of Molecular Medicine, Model Animal Research Center, National Resource Center for Mutant Mice of China, Nanjing Drum Tower Hospital, School of Medicine, Nanjing University, Nanjing 210061, China
| | - Qin Chen
- Department of Oral Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200240, China
| | - Xiang Gao
- MOE Key Laboratory of Model Animals for Disease Study, State Key Laboratory of Pharmaceutical Biotechnology, Jiangsu Key Laboratory of Molecular Medicine, Model Animal Research Center, National Resource Center for Mutant Mice of China, Nanjing Drum Tower Hospital, School of Medicine, Nanjing University, Nanjing 210061, China
| | - Zhaoyu Lin
- MOE Key Laboratory of Model Animals for Disease Study, State Key Laboratory of Pharmaceutical Biotechnology, Jiangsu Key Laboratory of Molecular Medicine, Model Animal Research Center, National Resource Center for Mutant Mice of China, Nanjing Drum Tower Hospital, School of Medicine, Nanjing University, Nanjing 210061, China
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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] [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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Cadena C, Kornfeld OS, Lee BL, Kayagaki N. Epigenetic and transcriptional control of gasdermins. Semin Immunol 2023; 70:101841. [PMID: 37703611 DOI: 10.1016/j.smim.2023.101841] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 09/07/2023] [Accepted: 09/07/2023] [Indexed: 09/15/2023]
Abstract
Cells undergo an inflammatory programmed lytic cell death called 'pyroptosis' (with the Greek roots 'fiery'), often featuring morphological hallmarks such as large ballooning protrusions and subsequent bursting. Originally described as a caspase-1-dependent cell death in response to bacterial infection, pyroptosis has since been re-defined in 2018 as a cell death dependent on plasma membrane pores by a gasdermin (GSDM) family member [1,2]. GSDMs form pores in the plasma membrane as well as organelle membranes, thereby initiating membrane destruction and the rapid and lytic demise of a cell. The gasdermin family plays a profound role in the execution of pyroptosis in the context of infection, inflammation, tumor pathogenesis, and anti-tumor therapy. More recently, cell-death-independent functions for some of the GSDMs have been proposed. Therefore, a comprehensive understanding of gasdermin gene regulation, including mechanisms in both homeostatic conditions and during inflammation, is essential. In this review, we will summarize the role of gasdermins in pyroptosis and focus our discussion on the transcriptional and epigenetic mechanisms controlling the expression of GSDMs.
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Affiliation(s)
- Cristhian Cadena
- Physiological Chemistry Department, Genentech, 1 DNA Way, South San Francisco, CA 94080, USA.
| | - Opher S Kornfeld
- Physiological Chemistry Department, Genentech, 1 DNA Way, South San Francisco, CA 94080, USA
| | - Bettina L Lee
- Physiological Chemistry Department, Genentech, 1 DNA Way, South San Francisco, CA 94080, USA
| | - Nobuhiko Kayagaki
- Physiological Chemistry Department, Genentech, 1 DNA Way, South San Francisco, CA 94080, USA.
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Broz P. Unconventional protein secretion by gasdermin pores. Semin Immunol 2023; 69:101811. [PMID: 37473560 DOI: 10.1016/j.smim.2023.101811] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 07/14/2023] [Accepted: 07/14/2023] [Indexed: 07/22/2023]
Abstract
Unconventional protein secretion (UPS) allows the release of specific leaderless proteins independently of the classical endoplasmic reticulum (ER)-Golgi secretory pathway. While it remains one of the least understood mechanisms in cell biology, UPS plays an essential role in immunity as it controls the release of the IL-1 family of cytokines, which coordinate host defense and inflammatory responses. The unconventional secretion of IL-1β and IL-18, the two most prominent members of the IL-1 family, is initiated by inflammasome complexes - cytosolic signaling platforms that are assembled in response to infectious or noxious stimuli. Inflammasomes activate inflammatory caspases that proteolytically mature IL-1β/- 18, but also induce pyroptosis, a lytic form of cell death. Pyroptosis is caused by gasdermin-D (GSDMD), a member of the gasdermin protein family, which is activated by caspase cleavage and forms large β-barrel plasma membrane pores. This pore-forming activity is shared with other family members that are activated during infection or upon treatment with chemotherapy drugs. While the induction of cell death was assumed to be the main function of gasdermin pores, accumulating evidence suggests that they have also non-lytic functions, such as in the release of cytokines and alarmins, or in regulating ion fluxes. This has raised the possibility that gasdermin pores are one of the main mediators of UPS. Here, I summarize and discuss new insights into gasdermin activation and pore formation, how gasdermin pores achieve selective cargo release, and how gasdermin pore formation and ninjurin-1-driven plasma membrane rupture are executed and regulated.
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Affiliation(s)
- Petr Broz
- Department of Immunobiology, University of Lausanne, Switzerland.
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Tanaka S, Orita H, Kataoka T, Miyazaki M, Saeki H, Wada R, Brock MV, Fukunaga T, Amano T, Shiroishi T. Gasdermin D represses inflammation-induced colon cancer development by regulating apoptosis. Carcinogenesis 2023; 44:341-349. [PMID: 36753047 DOI: 10.1093/carcin/bgad005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 12/07/2022] [Accepted: 02/06/2023] [Indexed: 02/09/2023] Open
Abstract
Chronic inflammation is widely recognized as a major risk factor for cancer formation, but the underlying mechanisms are poorly understood. Recently, it was shown that Gasdermin D (GSDMD) protein drives pyroptotic cell death in macrophages on cleavage by inflammatory caspases. Even though the Gsdmd gene is specifically expressed in the intestinal epithelium, the role of Gsdmd in the intestinal tissues remains poorly characterized. In this study, we examined the biological role of Gsdmd in colorectal cancer (CRC) development, employing an azoxymethane/dextran sulfate sodium carcinogenesis model. Results show that GSDMD deficiency enhances CRC development, probably due to decreased apoptosis caused by downregulation of interferon-gamma (IFNγ)-signal transducer and activator 1 (STAT1) signaling. Furthermore, we show that GSDMD protein is diminished in human colorectal cancer, indicating involvement of GSDMD in repression of CRC development in humans. Our findings provide a new insight into functions of Gsdmd/GSDMD in colonic inflammation and human CRC development.
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Affiliation(s)
- Shigekazu Tanaka
- Mammalian Genetics Laboratory, Genetic Strains Research Center, National Institute of Genetics, 1111 Yata, Mishima, Shizuoka 411-8540, Japan
| | - Hajime Orita
- Shizuoka Medical Research Center for Disaster, Juntendo University, Shizuoka Hospital, 1129 Nagaoka, Izunokuni, Shizuoka 410-2295, Japan
- Department of Gastroenterology, Juntendo University School of Medicine, 2-1-1 Hongo Bunkyo Ward, Tokyo 113-8421, Japan
| | - Taro Kataoka
- Shizuoka Medical Research Center for Disaster, Juntendo University, Shizuoka Hospital, 1129 Nagaoka, Izunokuni, Shizuoka 410-2295, Japan
| | - Masahiro Miyazaki
- Shizuoka Medical Research Center for Disaster, Juntendo University, Shizuoka Hospital, 1129 Nagaoka, Izunokuni, Shizuoka 410-2295, Japan
| | - Harumi Saeki
- Department of Pathology, Juntendo University School of Medicine, 2-1-1 Hongo Bunkyo Ward, Tokyo 113-8421, Japan
| | - Ryo Wada
- Department of Pathology, Juntendo University Shizuoka Hospital, 1129 Nagaoka, Izunokuni, Shizuoka 410-2295, Japan
| | - Malcolm V Brock
- Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Tetsu Fukunaga
- Department of Gastroenterology, Juntendo University School of Medicine, 2-1-1 Hongo Bunkyo Ward, Tokyo 113-8421, Japan
| | - Takanori Amano
- Mammalian Genetics Laboratory, Genetic Strains Research Center, National Institute of Genetics, 1111 Yata, Mishima, Shizuoka 411-8540, Japan
- Next Generation Human Disease Model Team, RIKEN BioResource Research Center, Tsukuba 305-0074, Japan
| | - Toshihiko Shiroishi
- Mammalian Genetics Laboratory, Genetic Strains Research Center, National Institute of Genetics, 1111 Yata, Mishima, Shizuoka 411-8540, Japan
- RIKEN BioResource Research Center, Tsukuba 305-0074, Japan
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Abstract
Pyroptosis is a form of regulated cell death that is mediated by the membrane-targeting, pore-forming gasdermin family of proteins. Pyroptosis was initially described as a caspase 1- and inflammasome-dependent cell death pathway typified by the loss of membrane integrity and the secretion of cytokines such as IL-1β. However, gasdermins are now recognized as the principal effectors of this form of regulated cell death; activated gasdermins insert into cell membranes, where they form pores that result in the secretion of cytokines, alarmins and damage-associated molecular patterns and cause cell membrane rupture. It is now evident that gasdermins can be activated by inflammasome- and caspase-independent mechanisms in multiple cell types and that crosstalk occurs between pyroptosis and other cell death pathways. Although they are important for host antimicrobial defence, a growing body of evidence supports the notion that pyroptosis and gasdermins have pathological roles in cancer and several non-microbial diseases involving the gut, liver and skin. The well-documented roles of inflammasome activity and apoptosis pathways in kidney diseases suggests that gasdermins and pyroptosis may also be involved to some extent. However, despite some evidence for involvement of pyroptosis in the context of acute kidney injury and chronic kidney disease, our understanding of gasdermin biology and pyroptosis in the kidney remains limited.
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Wang S, Moreau F, Chadee K. Gasdermins in Innate Host Defense Against Entamoeba histolytica and Other Protozoan Parasites. Front Immunol 2022; 13:900553. [PMID: 35795683 PMCID: PMC9251357 DOI: 10.3389/fimmu.2022.900553] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Accepted: 05/23/2022] [Indexed: 11/16/2022] Open
Abstract
Gasdermins (GSDMs) are a group of proteins that are cleaved by inflammatory caspases to induce pore formation in the plasma membrane to cause membrane permeabilization and lytic cell death or pyroptosis. All GSDMs share a conserved structure, containing a cytotoxic N-terminal (NT) pore-forming domain and a C-terminal (CT) repressor domain. Entamoeba histolytica (Eh) in contact with macrophages, triggers outside-in signaling to activate inflammatory caspase-4/1 via the noncanonical and canonical pathway to promote cleavage of gasdermin D (GSDMD). Cleavage of GSDMD removes the auto-inhibition that masks the active pore-forming NT domain in the full-length protein by interactions with GSDM-CT. The cleaved NT-GSDMD monomers then oligomerize to form pores in the plasma membrane to facilitate the release of IL-1β and IL-18 with a measured amount of pyroptosis. Pyroptosis is an effective way to counteract intracellular parasites, which exploit replicative niche to avoid killing. To date, most GSDMs have been verified to perform pore-forming activity and GSDMD-induced pyroptosis is rapidly emerging as a mechanism of anti-microbial host defence. Here, we review our comprehensive and current knowledge on the expression, activation, biological functions, and regulation of GSDMD cleavage with emphases on physiological scenario and related dysfunctions of each GSDM member as executioner of cell death, cytokine secretion and inflammation against Eh and other protozoan parasitic infections.
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Affiliation(s)
| | | | - Kris Chadee
- Department of Microbiology, Immunology and Infectious Diseases, University of Calgary, Calgary, AB, Canada
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Ryder CB, Kondolf HC, O’Keefe ME, Zhou B, Abbott DW. Chemical Modulation of Gasdermin-Mediated Pyroptosis and Therapeutic Potential. J Mol Biol 2022; 434:167183. [PMID: 34358546 PMCID: PMC8810912 DOI: 10.1016/j.jmb.2021.167183] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Revised: 07/24/2021] [Accepted: 07/29/2021] [Indexed: 12/13/2022]
Abstract
Pyroptosis, a lytic form of programmed cell death, both stimulates effective immune responses and causes tissue damage. Gasdermin (GSDM) proteins are a family of pore-forming executors of pyroptosis. While the most-studied member, GSDMD, exerts critical functions in inflammasome biology, emerging evidence demonstrates potential broad relevance for GSDM-mediated pyroptosis across diverse pathologies. In this review, we describe GSDM biology, outline conditions where inflammasomes and GSDM-mediated pyroptosis represent rational therapeutic targets, and delineate strategies to manipulate these central immunologic processes for the treatment of human disease.
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Affiliation(s)
- Christopher B. Ryder
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA 44106,Department of Pathology, University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA 44106
| | - Hannah C. Kondolf
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA 44106
| | - Meghan E. O’Keefe
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA 44106
| | - Bowen Zhou
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA 44106
| | - Derek W. Abbott
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA 44106,Corresponding author: ()
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Zou J, Zheng Y, Huang Y, Tang D, Kang R, Chen R. The Versatile Gasdermin Family: Their Function and Roles in Diseases. Front Immunol 2021; 12:751533. [PMID: 34858408 PMCID: PMC8632255 DOI: 10.3389/fimmu.2021.751533] [Citation(s) in RCA: 78] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Accepted: 10/25/2021] [Indexed: 12/22/2022] Open
Abstract
The gasdermin (GSDM) family, a novel group of structure-related proteins, consists of GSDMA, GSDMB, GSDMC, GSDMD, GSDME/DNFA5, and PVJK/GSDMF. GSDMs possess a C-terminal repressor domain, cytotoxic N-terminal domain, and flexible linker domain (except for GSDMF). The GSDM-NT domain can be cleaved and released to form large oligomeric pores in the membrane that facilitate pyroptosis. The emerging roles of GSDMs include the regulation of various physiological and pathological processes, such as cell differentiation, coagulation, inflammation, and tumorigenesis. Here, we introduce the basic structure, activation, and expression patterns of GSDMs, summarize their biological and pathological functions, and explore their regulatory mechanisms in health and disease. This review provides a reference for the development of GSDM-targeted drugs to treat various inflammatory and tissue damage-related conditions.
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Affiliation(s)
- Ju Zou
- Department of Infectious Diseases, Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratory of Viral Hepatitis, Xiangya Hospital, Central South University, Changsha, China
| | - Yixiang Zheng
- Department of Infectious Diseases, Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratory of Viral Hepatitis, Xiangya Hospital, Central South University, Changsha, China
| | - Yan Huang
- Department of Infectious Diseases, Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratory of Viral Hepatitis, Xiangya Hospital, Central South University, Changsha, China
| | - Daolin Tang
- Department of Surgery, UT Southwestern Medical Center, Dallas, TX, United States
| | - Rui Kang
- Department of Surgery, UT Southwestern Medical Center, Dallas, TX, United States
| | - Ruochan Chen
- Department of Infectious Diseases, Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratory of Viral Hepatitis, Xiangya Hospital, Central South University, Changsha, China
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Liu J, Zhong Y, Liu H, Yang H, Lu P, Shi Y, Wang X, Zheng W, Yu X, Xu Y, Yang B. Oncostatin M sensitizes keratinocytes to UVB-induced inflammation via GSDME-mediated pyroptosis. J Dermatol Sci 2021; 104:95-103. [PMID: 34674925 DOI: 10.1016/j.jdermsci.2021.09.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 09/14/2021] [Accepted: 09/15/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND Oncostatin M (OSM), an interleukin-6 (IL-6) family proinflammatory cytokine, plays a critical role in inflammatory skin diseases, but its mechanism of action is not well understood. OBJECTIVE To demonstrate the mechanism of OSM induced pyropotosis in normal human epidermal keratinocytes (NHEKs) and immortalized human keratinocytes (HaCaT cells). METHODS NHEKs and HaCaT cells were treated with OSM. Knockout of OSM receptor (OSMR) with CRISPR/Cas9 system, knockdown of GSDME with small interfering RNA and primary keratinocytes from Osmr-/- and Gsdme-/- mice were used to study the effect of OSMR and GSDME. After treatment of OSM, NHEKs and HaCaT cells were irradiated with UVB. The mRNA was analyzed by quantitative real-time polymerase chain reaction (qRT-PCR) and RNA sequencing, protein level was detected by Western Blotting, Elisa and immunofluorescence. Cell death was examined by lactate dehydrogenase (LDH) releasing. RESULTS Here we found that OSM induced pyropotosis in NHEKs and HaCaT cells, but knockout of OSMR abolished pyropotosis. RNA sequencing revealed an upregulation of several key genes involved in NLRP3 inflammasome activation following OSM treatment, among which NLRP3, GSDME, and IL-1β were confirmed by qRT-PCR and Western Blotting. Knockdown of GSDME alleviated OSM-induced pyropotosis. Pretreatment of OSM boosted UVB-induced pyroptosis and inflammation in NHEKs and HaCaT cells, and this priming function was lost in keratinocytes of Osmr-/- and Gsdme-/- mice. Similar results were obtained in a 3-dimensional culture of human epidermis. CONCLUSION OSM functions as a priming cytokine to enhance UVB-induced inflammation in keratinocytes, providing insight into the pathogenesis of inflammatory skin diseases.
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Affiliation(s)
- Jun Liu
- Institute of Dermatology and Venereology, Dermatology Hospital, Southern Medical University, Guangzhou, China; Department of Science & Education, Dermatology Hospital, Southern Medical University, Guangzhou, China.
| | - Yadan Zhong
- Department of Science & Education, Dermatology Hospital, Southern Medical University, Guangzhou, China; Department of Dermatology, The First People's Hospital of Foshan, Foshan, China
| | - Huiting Liu
- Department of Science & Education, Dermatology Hospital, Southern Medical University, Guangzhou, China
| | - Huan Yang
- Department of Science & Education, Dermatology Hospital, Southern Medical University, Guangzhou, China
| | - Ping Lu
- Department of Science & Education, Dermatology Hospital, Southern Medical University, Guangzhou, China
| | - Yanqiang Shi
- Department of Science & Education, Dermatology Hospital, Southern Medical University, Guangzhou, China
| | - Xuan Wang
- Department of Science & Education, Dermatology Hospital, Southern Medical University, Guangzhou, China
| | - Wen Zheng
- Department of Science & Education, Dermatology Hospital, Southern Medical University, Guangzhou, China
| | - Xiaoling Yu
- Department of Dermatology, Dermatology Hospital, Southern Medical University, Guangzhou, China
| | - Yingping Xu
- Institute of Dermatology and Venereology, Dermatology Hospital, Southern Medical University, Guangzhou, China.
| | - Bin Yang
- Department of Dermatology, Dermatology Hospital, Southern Medical University, Guangzhou, China.
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12
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Yu P, Zhang X, Liu N, Tang L, Peng C, Chen X. Pyroptosis: mechanisms and diseases. Signal Transduct Target Ther 2021; 6:128. [PMID: 33776057 PMCID: PMC8005494 DOI: 10.1038/s41392-021-00507-5] [Citation(s) in RCA: 966] [Impact Index Per Article: 322.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Revised: 01/14/2021] [Accepted: 01/20/2021] [Indexed: 02/08/2023] Open
Abstract
Currently, pyroptosis has received more and more attention because of its association with innate immunity and disease. The research scope of pyroptosis has expanded with the discovery of the gasdermin family. A great deal of evidence shows that pyroptosis can affect the development of tumors. The relationship between pyroptosis and tumors is diverse in different tissues and genetic backgrounds. In this review, we provide basic knowledge of pyroptosis, explain the relationship between pyroptosis and tumors, and focus on the significance of pyroptosis in tumor treatment. In addition, we further summarize the possibility of pyroptosis as a potential tumor treatment strategy and describe the side effects of radiotherapy and chemotherapy caused by pyroptosis. In brief, pyroptosis is a double-edged sword for tumors. The rational use of this dual effect will help us further explore the formation and development of tumors, and provide ideas for patients to develop new drugs based on pyroptosis.
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Affiliation(s)
- Pian Yu
- The Department of Dermatology, Xiangya Hospital, Central South University, Changsha, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Changsha, Hunan, China
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Xiangya Hospital, Changsha, Hunan, China
- Hunan Engineering Research Center of Skin Health and Disease, Xiangya Hospital, Changsha, Hunan, China
- Xiangya Clinical Research Center for Cancer Immunotherapy, Central South University, Changsha, Hunan, China
| | - Xu Zhang
- The Department of Dermatology, Xiangya Hospital, Central South University, Changsha, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Changsha, Hunan, China
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Xiangya Hospital, Changsha, Hunan, China
- Hunan Engineering Research Center of Skin Health and Disease, Xiangya Hospital, Changsha, Hunan, China
- Xiangya Clinical Research Center for Cancer Immunotherapy, Central South University, Changsha, Hunan, China
| | - Nian Liu
- The Department of Dermatology, Xiangya Hospital, Central South University, Changsha, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Changsha, Hunan, China
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Xiangya Hospital, Changsha, Hunan, China
- Hunan Engineering Research Center of Skin Health and Disease, Xiangya Hospital, Changsha, Hunan, China
- Xiangya Clinical Research Center for Cancer Immunotherapy, Central South University, Changsha, Hunan, China
| | - Ling Tang
- The Department of Dermatology, Xiangya Hospital, Central South University, Changsha, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Changsha, Hunan, China
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Xiangya Hospital, Changsha, Hunan, China
- Hunan Engineering Research Center of Skin Health and Disease, Xiangya Hospital, Changsha, Hunan, China
- Xiangya Clinical Research Center for Cancer Immunotherapy, Central South University, Changsha, Hunan, China
| | - Cong Peng
- The Department of Dermatology, Xiangya Hospital, Central South University, Changsha, Hunan, China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Changsha, Hunan, China.
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Xiangya Hospital, Changsha, Hunan, China.
- Hunan Engineering Research Center of Skin Health and Disease, Xiangya Hospital, Changsha, Hunan, China.
- Xiangya Clinical Research Center for Cancer Immunotherapy, Central South University, Changsha, Hunan, China.
| | - Xiang Chen
- The Department of Dermatology, Xiangya Hospital, Central South University, Changsha, Hunan, China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Changsha, Hunan, China.
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Xiangya Hospital, Changsha, Hunan, China.
- Hunan Engineering Research Center of Skin Health and Disease, Xiangya Hospital, Changsha, Hunan, China.
- Xiangya Clinical Research Center for Cancer Immunotherapy, Central South University, Changsha, Hunan, China.
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13
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Liu X, Xia S, Zhang Z, Wu H, Lieberman J. Channelling inflammation: gasdermins in physiology and disease. Nat Rev Drug Discov 2021; 20:384-405. [PMID: 33692549 PMCID: PMC7944254 DOI: 10.1038/s41573-021-00154-z] [Citation(s) in RCA: 377] [Impact Index Per Article: 125.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/22/2021] [Indexed: 11/09/2022]
Abstract
Gasdermins were recently identified as the mediators of pyroptosis — inflammatory cell death triggered by cytosolic sensing of invasive infection and danger signals. Upon activation, gasdermins form cell membrane pores, which release pro-inflammatory cytokines and alarmins and damage the integrity of the cell membrane. Roles for gasdermins in autoimmune and inflammatory diseases, infectious diseases, deafness and cancer are emerging, revealing potential novel therapeutic avenues. Here, we review current knowledge of the family of gasdermins, focusing on their mechanisms of action and roles in normal physiology and disease. Efforts to develop drugs to modulate gasdermin activity to reduce inflammation or activate more potent immune responses are highlighted. Gasdermins (GSDMs) are a recently characterized protein family that mediate a programmed inflammatory cell death termed pyroptosis. Here, Lieberman and colleagues review current understanding of the expression, activation and regulation of GSDMs, highlighting their roles in cell death, cytokine secretion and inflammation. Emerging opportunities to develop GSDM-targeted drugs and the associated challenges are highlighted.
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Affiliation(s)
- Xing Liu
- The Center for Microbes, Development and Health, Key Laboratory of Molecular Virology and Immunology, Institut Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai, China.
| | - Shiyu Xia
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, MA, USA.,Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA
| | - Zhibin Zhang
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, MA, USA.,Department of Pediatrics, Harvard Medical School, Boston, MA, USA
| | - Hao Wu
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, MA, USA. .,Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA.
| | - Judy Lieberman
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, MA, USA. .,Department of Pediatrics, Harvard Medical School, Boston, MA, USA.
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14
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Tsuchiya K. Switching from Apoptosis to Pyroptosis: Gasdermin-Elicited Inflammation and Antitumor Immunity. Int J Mol Sci 2021; 22:E426. [PMID: 33406603 PMCID: PMC7794676 DOI: 10.3390/ijms22010426] [Citation(s) in RCA: 147] [Impact Index Per Article: 49.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 12/27/2020] [Accepted: 12/28/2020] [Indexed: 12/16/2022] Open
Abstract
Pyroptosis is a necrotic form of regulated cell death. Gasdermines (GSDMs) are a family of intracellular proteins that execute pyroptosis. While GSDMs are expressed as inactive forms, certain proteases proteolytically activate them. The N-terminal fragments of GSDMs form pores in the plasma membrane, leading to osmotic cell lysis. Pyroptotic cells release pro-inflammatory molecules into the extracellular milieu, thereby eliciting inflammation and immune responses. Recent studies have significantly advanced our knowledge of the mechanisms and physiological roles of pyroptosis. GSDMs are activated by caspases and granzymes, most of which can also induce apoptosis in different situations, for example where the expression of GSDMs is too low to cause pyroptosis; that is, caspase/granzyme-induced apoptosis can be switched to pyroptosis by the expression of GSDMs. Pyroptosis appears to facilitate the killing of tumor cells by cytotoxic lymphocytes, and it may also reprogram the tumor microenvironment to an immunostimulatory state. Understanding pyroptosis may help the development of cancer immunotherapy. In this review article, recent findings on the mechanisms and roles of pyroptosis are introduced. The effectiveness and limitations of pyroptosis in inducing antitumor immunity are also discussed.
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Affiliation(s)
- Kohsuke Tsuchiya
- Division of Immunology and Molecular Biology, Cancer Research Institute, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan; ; Tel.: +81-76-264-6721
- Institute for Frontier Science Initiative (InFiniti), Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
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15
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Tang L, Lu C, Zheng G, Burgering BM. Emerging insights on the role of gasdermins in infection and inflammatory diseases. Clin Transl Immunology 2020; 9:e1186. [PMID: 33033617 PMCID: PMC7533414 DOI: 10.1002/cti2.1186] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 09/08/2020] [Accepted: 09/09/2020] [Indexed: 12/15/2022] Open
Abstract
The gasdermins, family of pore-forming proteins, are emerging key regulators of infection, autoinflammation and antitumor immunity. Multiple studies have recently characterised their crucial roles in driving pyroptosis, a lytic pro-inflammatory type of cell death. Additionally, gasdermins also act as key effectors of NETosis, secondary necrosis and apoptosis. In this review, we will address current understanding of the mechanisms of gasdermin activation and further describe the protective and detrimental roles of gasdermins in host defence and autoinflammatory diseases. These data suggest that gasdermins play a prominent role in innate immunity and autoinflammatory disorders, thereby providing potential new therapeutic avenues for the treatment of infection and autoimmune disease.
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Affiliation(s)
- Lipeng Tang
- Department of Pharmacology of Traditional Chinese Medicine The Second Affiliated Hospital of Guangzhou University of Chinese Medicine Guangzhou China.,Department of Molecular Cancer Research Center Molecular Medicine University Medical Center Utrecht Utrecht The Netherlands
| | - Chuanjian Lu
- Department of Dermatology The Second Affiliated Hospital of Guangzhou University of Chinese Medicine Guangzhou China
| | - Guangjuan Zheng
- Department of Pharmacology of Traditional Chinese Medicine The Second Affiliated Hospital of Guangzhou University of Chinese Medicine Guangzhou China.,Department of Pathology The Second Affiliated Hospital of Guangzhou University of Chinese Medicine Guangzhou China
| | - Boudewijn Mt Burgering
- Department of Molecular Cancer Research Center Molecular Medicine University Medical Center Utrecht Utrecht The Netherlands
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16
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Abstract
Immune cells use a variety of membrane-disrupting proteins [complement, perforin, perforin-2, granulysin, gasdermins, mixed lineage kinase domain-like pseudokinase (MLKL)] to induce different kinds of death of microbes and host cells, some of which cause inflammation. After activation by proteolytic cleavage or phosphorylation, these proteins oligomerize, bind to membrane lipids, and disrupt membrane integrity. These membrane disruptors play a critical role in both innate and adaptive immunity. Here we review our current knowledge of the functions, specificity, activation, and regulation of membrane-disrupting immune proteins and what is known about the mechanisms behind membrane damage, the structure of the pores they form, how the cells expressing these lethal proteins are protected, and how cells targeted for destruction can sometimes escape death by repairing membrane damage.
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Affiliation(s)
- Xing Liu
- Center for Microbes, Development and Health; Key Laboratory of Molecular Virology and Immunology; Institut Pasteur of Shanghai; Chinese Academy of Sciences, Shanghai 200031, China;
| | - Judy Lieberman
- Program in Cellular and Molecular Medicine, Boston Children's Hospital and Department of Pediatrics, Harvard Medical School, Boston, Massachusetts 02115, USA;
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17
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Li ST, Suen WJ, Kao CH, Yang MK, Yang LT. Gasdermin A3-Mediated Cell Death Causes Niche Collapse and Precocious Activation of Hair Follicle Stem Cells. J Invest Dermatol 2020; 140:2117-2128. [PMID: 32302611 DOI: 10.1016/j.jid.2020.02.033] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Revised: 02/07/2020] [Accepted: 02/28/2020] [Indexed: 12/30/2022]
Abstract
Hair follicles undergo recurrent growth, regression, and resting phases throughout postnatal life, which is supported by hair follicle stem cells. The niche components of hair follicle stem cells are important to maintain their quiescence and stemness. Gsdma3 gain-of-function mutations in mice cause chronic skin inflammation, aberrant hair cycle, and progressive hair loss, reminiscent of scarring alopecia in humans. However, the mechanism underlying these defects remains elusive. Here, we used a combined Cre/loxP and rtTA/TRE system to study the spatiotemporal effect of Gsdma3 overexpression on distinct hair cycle stages. We found that Gsdma3-mediated cell death affects anagen initiation, anagen progression, and catagen-telogen transition. Induced Gsdma3 expression causes bulge inner layer collapse and precocious hair follicle stem cell activation, leading to subsequent hair follicle degeneration. Although macrophages and dendritic cells are recruited to the bulge region, in vivo depletion of these cells using a neutralizing antibody does not alleviate cell death in the bulge or hair germ, indicating that macrophages are less likely to cause immediate hair follicle deletion. Our data suggest that dysregulated Gsdma3 causes bulge inner layer necrosis to induce club hair shedding and immediate anagen reentry without going through telogen morphology, which implicates a role for Gsdma3 in hair follicle stem cell niche maintenance.
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Affiliation(s)
- Shao-Ting Li
- Institute of Cellular and System Medicine, National Health Research Institutes, Zhunan, Taiwan, Republic of China
| | - Wei-Jeng Suen
- Institute of Cellular and System Medicine, National Health Research Institutes, Zhunan, Taiwan, Republic of China
| | - Cheng-Heng Kao
- Center of General Education, Chang Gung University, Taoyuan, Taiwan, Republic of China
| | - Ming-Kai Yang
- Institute of Cellular and System Medicine, National Health Research Institutes, Zhunan, Taiwan, Republic of China
| | - Liang-Tung Yang
- Institute of Cellular and System Medicine, National Health Research Institutes, Zhunan, Taiwan, Republic of China; Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan, Republic of China.
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18
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Gasdermin family: a promising therapeutic target for cancers and inflammation-driven diseases. J Cell Commun Signal 2020; 14:293-301. [PMID: 32236886 DOI: 10.1007/s12079-020-00564-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Accepted: 03/19/2020] [Indexed: 12/13/2022] Open
Abstract
This review focuses on current advances in researches of gasdermin family. The distinctive expression patterns and biological roles of members in this family were discussed. Most of them exhibit pore-forming activity on cell membranes and are executors for programmed cell death with cytokines release, and play roles in cancers and inflammation-driven diseases. Therefore, they can be used as potential therapeutic targets to treat related diseases.
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19
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Broz P, Pelegrín P, Shao F. The gasdermins, a protein family executing cell death and inflammation. Nat Rev Immunol 2019; 20:143-157. [PMID: 31690840 DOI: 10.1038/s41577-019-0228-2] [Citation(s) in RCA: 883] [Impact Index Per Article: 176.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/23/2019] [Indexed: 12/12/2022]
Abstract
The gasdermins are a family of recently identified pore-forming effector proteins that cause membrane permeabilization and pyroptosis, a lytic pro-inflammatory type of cell death. Gasdermins contain a cytotoxic N-terminal domain and a C-terminal repressor domain connected by a flexible linker. Proteolytic cleavage between these two domains releases the intramolecular inhibition on the cytotoxic domain, allowing it to insert into cell membranes and form large oligomeric pores, which disrupts ion homeostasis and induces cell death. Gasdermin-induced pyroptosis plays a prominent role in many hereditary diseases and (auto)inflammatory disorders as well as in cancer. In this Review, we discuss recent developments in gasdermin research with a focus on mechanisms that control gasdermin activation, pore formation and functional consequences of gasdermin-induced membrane permeabilization.
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Affiliation(s)
- Petr Broz
- Department of Biochemistry, University of Lausanne, Epalinges, Switzerland.
| | - Pablo Pelegrín
- Biomedical Research Institute of Murcia (IMIB-Arrixaca), University Clinical Hospital 'Virgen de la Arrixaca', Murcia, Spain.
| | - Feng Shao
- National Institute of Biological Sciences, Beijing, China.
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20
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Chen Q, Shi P, Wang D, Liu Q, Li X, Wang Y, Zou D, Huang Z, Gao X, Lin Z. Epidermis-Activated Gasdermin-A3 Enhances Thermogenesis of Brown Adipose Tissue through IL-6/Stat3 Signaling. THE AMERICAN JOURNAL OF PATHOLOGY 2019; 189:1041-1052. [PMID: 30790561 DOI: 10.1016/j.ajpath.2019.01.012] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Revised: 01/07/2019] [Accepted: 01/24/2019] [Indexed: 12/17/2022]
Abstract
Missense mutations in the gasdermin-A3 (Gsdma3) gene are associated with skin inflammation and hair loss in mice. However, the physiological function of Gsdma3 remains unclear. Herein, we reported that mice carrying the Gsdma3 Y344H mutation that encodes a presumptive activated form of Gsdma3 show increased heat production along with lower body fat percentages. Detailed analysis indicated that this metabolic phenotype is mediated by serum IL-6-induced up-regulation of thermogenesis in brown adipose tissue. The mutant form of Gsdma3 promotes the expression of IL-6 in the epidermis in a c-Jun N-terminal kinase (JNK) signaling-dependent manner. The higher whole-body heat production in alopecia and excoriation mice could be suppressed by an IL-6 receptor/GP130 inhibitor. Our results uncovered Gsdma3/IL-6-dependent cross talk between the skin and brown adipose tissue.
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Affiliation(s)
- Qin Chen
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing Drum Tower Hospital, Model Animal Research Center, Nanjing University, Nanjing, China; Department of Oral Surgery, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Peiliang Shi
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing Drum Tower Hospital, Model Animal Research Center, Nanjing University, Nanjing, China
| | - Dingyu Wang
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing Drum Tower Hospital, Model Animal Research Center, Nanjing University, Nanjing, China
| | - Qiyao Liu
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing Drum Tower Hospital, Model Animal Research Center, Nanjing University, Nanjing, China
| | - Xu Li
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing Drum Tower Hospital, Model Animal Research Center, Nanjing University, Nanjing, China
| | - Yufang Wang
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing Drum Tower Hospital, Model Animal Research Center, Nanjing University, Nanjing, China
| | - Dayuan Zou
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing Drum Tower Hospital, Model Animal Research Center, Nanjing University, Nanjing, China
| | - Zan Huang
- Jiangsu Province Key Laboratory of Gastrointestinal Nutrition and Animal Health, Nanjing Agriculture University, Nanjing, China
| | - Xiang Gao
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing Drum Tower Hospital, Model Animal Research Center, Nanjing University, Nanjing, China.
| | - Zhaoyu Lin
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing Drum Tower Hospital, Model Animal Research Center, Nanjing University, Nanjing, China.
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21
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Feng S, Fox D, Man SM. Mechanisms of Gasdermin Family Members in Inflammasome Signaling and Cell Death. J Mol Biol 2018; 430:3068-3080. [PMID: 29990470 DOI: 10.1016/j.jmb.2018.07.002] [Citation(s) in RCA: 257] [Impact Index Per Article: 42.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 06/25/2018] [Accepted: 07/04/2018] [Indexed: 12/16/2022]
Abstract
The Gasdermin (GSDM) family consists of Gasdermin A (GSDMA), Gasdermin B (GSDMB), Gasdermin C (GSDMC), Gasdermin D (GSDMD), Gasdermin E (GSDME) and Pejvakin (PJVK). GSDMD is activated by inflammasome-associated inflammatory caspases. Cleavage of GSDMD by human or mouse caspase-1, human caspase-4, human caspase-5, and mouse caspase-11 liberates the N-terminal effector domain from the C-terminal inhibitory domain. The N-terminal domain oligomerizes in the cell membrane and forms a pore of 10-16 nm in diameter, through which substrates of a smaller diameter, such as interleukin-1β and interleukin-18, are secreted. The increasing abundance of membrane pores ultimately leads to membrane rupture and pyroptosis, releasing the entire cellular content. Other than GSDMD, the N-terminal domain of all GSDMs, with the exception of PJVK, have the ability to form pores. There is evidence to suggest that GSDMB and GSDME are cleaved by apoptotic caspases. Here, we review the mechanistic functions of GSDM proteins with respect to their expression and signaling profile in the cell, with more focused discussions on inflammasome activation and cell death.
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Affiliation(s)
- Shouya Feng
- Department of Immunology and Infectious Disease, The John Curtin School of Medical Research, The Australian National University, Canberra, Australia
| | - Daniel Fox
- Department of Immunology and Infectious Disease, The John Curtin School of Medical Research, The Australian National University, Canberra, Australia
| | - Si Ming Man
- Department of Immunology and Infectious Disease, The John Curtin School of Medical Research, The Australian National University, Canberra, Australia.
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22
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Kovacs SB, Miao EA. Gasdermins: Effectors of Pyroptosis. Trends Cell Biol 2017; 27:673-684. [PMID: 28619472 PMCID: PMC5565696 DOI: 10.1016/j.tcb.2017.05.005] [Citation(s) in RCA: 839] [Impact Index Per Article: 119.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2017] [Revised: 05/18/2017] [Accepted: 05/19/2017] [Indexed: 12/20/2022]
Abstract
Pyroptosis is a form of lytic programmed cell death initiated by inflammasomes, which detect cytosolic contamination or perturbation. This drives activation of caspase-1 or caspase-11/4/5, which cleave gasdermin D, separating its N-terminal pore-forming domain (PFD) from the C-terminal repressor domain (RD). The PFD oligomerizes to form large pores in the membrane that drive swelling and membrane rupture. Gasdermin D is one of six (in humans) gasdermin family members; several other gasdermins have also been shown to form pores that cause pyroptosis after cleavage to activate their PFDs. One of these, gasdermin E, is activated by caspase-3 cleavage. We review our current understanding of pyroptosis as well as current knowledge of the gasdermin family.
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Affiliation(s)
- Stephen B Kovacs
- Department of Microbiology and Immunology, Lineberger Comprehensive Cancer Center, and Center for Gastrointestinal Biology and Disease, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Edward A Miao
- Department of Microbiology and Immunology, Lineberger Comprehensive Cancer Center, and Center for Gastrointestinal Biology and Disease, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.
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23
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Das S, Miller M, Broide DH. Chromosome 17q21 Genes ORMDL3 and GSDMB in Asthma and Immune Diseases. Adv Immunol 2017; 135:1-52. [PMID: 28826527 DOI: 10.1016/bs.ai.2017.06.001] [Citation(s) in RCA: 87] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Chromosome 17q21 contains a cluster of genes including ORMDL3 and GSDMB, which have been highly linked to asthma in genome-wide association studies. ORMDL3 is localized to the endoplasmic reticulum and regulates downstream pathways including sphingolipids, metalloproteases, remodeling genes, and chemokines. ORMDL3 inhibits serine palmitoyl-CoA transferase, the rate-limiting enzyme for sphingolipid biosynthesis. In addition, ORMDL3 activates the ATF6α branch of the unfolded protein response which regulates SERCA2b and IL-6, pathways of potential importance to asthma. The SNP-linking chromosome 17q21 to asthma is associated with increased ORMDL3 and GSDMB expression. Mice expressing either increased levels of human ORMDL3, or human GSDMB, have an asthma phenotype characterized by increased airway responsiveness and increased airway remodeling (increased smooth muscle and fibrosis) in the absence of airway inflammation. GSDMB regulates expression of 5-LO and TGF-β1 which are known pathways involved in the pathogenesis of asthma. GSDMB is one of four members of the GSDM family (GSDMA, GSDMB, GSDMC, and GSDMD). GSDMD (located on chromosome 8q24 and not linked to asthma) has emerged as a key mediator of pyroptosis. GSDMD is a key component of the NLPR3 inflammasome and is required for its activation. GSDMD undergoes proteolytic cleavage by caspase-1 to release its N-terminal fragment, which in turn mediates pyroptosis and IL-1β secretion. Chromosome 17q21 has not only been linked to asthma but also to type 1 diabetes, inflammatory bowel disease, and primary biliary cirrhosis suggesting that future insights into the biology of genes located in this region will increase our understanding of these diseases.
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Affiliation(s)
- Sudipta Das
- University of California, San Diego, CA, United States
| | - Marina Miller
- University of California, San Diego, CA, United States
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24
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Liu X, Lieberman J. A Mechanistic Understanding of Pyroptosis: The Fiery Death Triggered by Invasive Infection. Adv Immunol 2017; 135:81-117. [PMID: 28826530 DOI: 10.1016/bs.ai.2017.02.002] [Citation(s) in RCA: 109] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Immune cells and skin and mucosal epithelial cells recognize invasive microbes and other signs of danger to sound alarms that recruit responder cells and initiate an immediate "innate" immune response. An especially powerful alarm is triggered by cytosolic sensors of invasive infection that assemble into multimolecular complexes, called inflammasomes, that activate the inflammatory caspases, leading to maturation and secretion of proinflammatory cytokines and pyroptosis, an inflammatory death of the infected cell. Work in the past year has defined the molecular basis of pyroptosis. Activated inflammatory caspases cleave Gasdermin D (GSDMD), a cytosolic protein in immune antigen-presenting cells and epithelia. Cleavage separates the autoinhibitory C-terminal fragment from the active N-terminal fragment, which moves to the cell membrane, binds to lipids on the inside of the cell membrane, and oligomerizes to form membrane pores that disrupt cell membrane integrity, causing death and leakage of small molecules, including the proinflammatory cytokines and GSDMD itself. GSDMD also binds to cardiolipin on bacterial membranes and kills the very bacteria that activate the inflammasome. GSDMD belongs to a family of poorly studied gasdermins, expressed in the skin and mucosa, which can also form membrane pores. Spontaneous mutations that disrupt the binding of the N- and C-terminal domains of other gasdermins are associated with alopecia and asthma. Here, we review recent studies that identified the roles of the inflammasome, inflammatory caspases, and GSDMD in pyroptosis and highlight some of the outstanding questions about their roles in innate immunity, control of infection, and sepsis.
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Affiliation(s)
- Xing Liu
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA, United States
| | - Judy Lieberman
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA, United States.
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25
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Gsdma3 is required for mammary gland development in mice. Histochem Cell Biol 2017; 147:575-583. [DOI: 10.1007/s00418-017-1542-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/18/2017] [Indexed: 10/20/2022]
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26
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Ehrmann C, Schneider MR. Genetically modified laboratory mice with sebaceous glands abnormalities. Cell Mol Life Sci 2016; 73:4623-4642. [PMID: 27457558 PMCID: PMC11108334 DOI: 10.1007/s00018-016-2312-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2016] [Revised: 07/12/2016] [Accepted: 07/19/2016] [Indexed: 12/19/2022]
Abstract
Sebaceous glands (SG) are exocrine glands that release their product by holocrine secretion, meaning that the whole cell becomes a secretion following disruption of the membrane. SG may be found in association with a hair follicle, forming the pilosebaceous unit, or as modified SG at different body sites such as the eyelids (Meibomian glands) or the preputial glands. Depending on their location, SG fulfill a number of functions, including protection of the skin and fur, thermoregulation, formation of the tear lipid film, and pheromone-based communication. Accordingly, SG abnormalities are associated with several diseases such as acne, cicatricial alopecia, and dry eye disease. An increasing number of genetically modified laboratory mouse lines develop SG abnormalities, and their study may provide important clues regarding the molecular pathways regulating SG development, physiology, and pathology. Here, we summarize in tabulated form the available mouse lines with SG abnormalities and, focusing on selected examples, discuss the insights they provide into SG biology and pathology. We hope this survey will become a helpful information source for researchers with a primary interest in SG but also as for researchers from unrelated fields that are unexpectedly confronted with a SG phenotype in newly generated mouse lines.
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Affiliation(s)
- Carmen Ehrmann
- Institute of Molecular Animal Breeding and Biotechnology, Gene Center, LMU Munich, Feodor-Lynen-Str. 25, 81377, Munich, Germany
| | - Marlon R Schneider
- Institute of Molecular Animal Breeding and Biotechnology, Gene Center, LMU Munich, Feodor-Lynen-Str. 25, 81377, Munich, Germany.
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Abstract
In the previous issue of Biochemical Journal, Shi et al. [(2015) 468, 325-336] report that Gasdermin (Gsdm) family proteins regulate autophagy activity, which is counter-balanced by the opposite functions of well-conserved N- and C-terminal domains of the proteins. The Gsdm family was originally identified as the causative gene of dominant skin mutations exhibiting alopecia. Each member of the Gsdm gene family shows characteristic expression patterns in the epithelium, which is tissue and differentiation stage-specific. Previous phenotype analyses of mutant mice, biochemical analyses of proteins and genome-wide association studies showed that the Gsdm gene family might be involved in epithelial cell development, apoptosis, inflammation, carcinogenesis and immune-related diseases. To date, however, their molecular function(s) remain unclear. Shi et al. found that mutations in the C-terminal domain of Gsdma3, a member of the Gsdm family, induce autophagy. Further studies revealed that the wild-type N-terminal domain has pro-autophagic activity and that the C-terminal domain conversely inhibits this N-terminal function. These opposite functions of the two domains were also observed in other Gsdm family members. Thus, their study provides a new insight into the function of Gsdm genes in epithelial cell lineage, causality of cancers and immune-related diseases including childhood-onset asthma.
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Abstract
Gasdermin A3 (Gsdma3) was originally identified in association with hair-loss phenotype in mouse mutants. Our previous study found that AE mutant mice, with a Y344H substitution at the C-terminal domain of Gsdma3, display inflammation-dependent alopecia and excoriation [Zhou et al. (2012) Am. J. Pathol. 180, 763-774]. Interestingly, we found that the newly-generated null mutant of Gsdma3 mice did not display the skin dysmorphology, indicating that Gsdma3 is not essential for differentiation of epidermal cells and maintenance of the hair cycle in normal physiological conditions. Consistently, human embryonic kidney (HEK)293 and HaCaT cells transfected with wild-type (WT) Gsdma3 did not show abnormal morphology. However, Gsdma3 Y344H mutation induced autophagy. Gsdma3 N-terminal domain, but not the C-terminal domain, also displayed the similar pro-autophagic activity. The Gsdma3 Y344H mutant protein and N-terminal domain-induced autophagy was associated with mitochondria and ROS generation. Co-expression of C-terminal domain reversed the cell autophagy induced by N-terminal domain. Moreover, C-terminal domain could be co-precipitated with N-terminal domain. These data indicated that the potential pro-autophagic activity of WT Gsdma3 protein is suppressed through an intramolecular inhibition mechanism. Studies on other members of the GSDM family suggested this mechanism is conserved in several sub-families.
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Lin PH, Lin HY, Kuo CC, Yang LT. N-terminal functional domain of Gasdermin A3 regulates mitochondrial homeostasis via mitochondrial targeting. J Biomed Sci 2015; 22:44. [PMID: 26100518 PMCID: PMC4477613 DOI: 10.1186/s12929-015-0152-0] [Citation(s) in RCA: 74] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2015] [Accepted: 05/27/2015] [Indexed: 02/03/2023] Open
Abstract
BACKGROUND The epidermis forms a critical barrier that is maintained by orchestrated programs of proliferation, differentiation, and cell death. Gene mutations that disturb this turnover process may cause skin diseases. Human GASDERMIN A (GSDMA) is frequently silenced in gastric cancer cell lines and its overexpression has been reported to induce apoptosis. GSDMA has also been linked with airway hyperresponsiveness in genetic association studies. The function of GSDMA in the skin was deduced by dominant mutations in mouse gasdermin A3 (Gsdma3), which caused skin inflammation and hair loss. However, the mechanism for the autosomal dominance of Gsdma3 mutations and the mode of Gsdma3's action remain unanswered. RESULTS We demonstrated a novel function of Gsdma3 in modulating mitochondrial oxidative stress. We showed that Gsdma3 is regulated by intramolecular fold-back inhibition, which is disrupted by dominant mutations in the C-terminal domain. The unmasked N-terminal domain of Gsdma3 associates with Hsp90 and is delivered to mitochondrial via mitochondrial importer receptor Tom70, where it interacts with the mitochondrial chaperone Trap1 and causes increased production of mitochondrial reactive oxygen species (ROS), dissipation of mitochondrial membrane potential, and mitochondrial permeability transition (MPT). Overexpression of the C-terminal domain of Gsdma3 as well as pharmacological interventions of mitochondrial translocation, ROS production, and MPT pore opening alleviate the cell death induced by Gsdma3 mutants. CONCLUSIONS Our results indicate that the genetic mutations in the C-terminal domain of Gsdma3 are gain-of-function mutations which unmask the N-terminal functional domain of Gsdma3. Gsdma3 regulates mitochondrial oxidative stress through mitochondrial targeting. Since mitochondrial ROS has been shown to promote epidermal differentiation, we hypothesize that Gsdma3 regulates context-dependent response of keratinocytes to differentiation and cell death signals by impinging on mitochondria.
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Affiliation(s)
- Pei-Hsuan Lin
- Institute of Cellular and System Medicine, National Health Research Institutes, 35 Keyan Rd., Zhunan, Miaoli County, 35053, Taiwan.
| | - Hsien-Yi Lin
- Institute of Cellular and System Medicine, National Health Research Institutes, 35 Keyan Rd., Zhunan, Miaoli County, 35053, Taiwan.
| | - Cheng-Chin Kuo
- Institute of Cellular and System Medicine, National Health Research Institutes, 35 Keyan Rd., Zhunan, Miaoli County, 35053, Taiwan.
| | - Liang-Tung Yang
- Institute of Cellular and System Medicine, National Health Research Institutes, 35 Keyan Rd., Zhunan, Miaoli County, 35053, Taiwan. .,Graduate Institute of Molecular Systems Biomedicine, China Medical University, 91 Hsueh-Shih Rd, Taichung, 40402, Taiwan.
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Bai X, Lei M, Shi J, Yu Y, Qiu W, Lai X, Liu Y, Yang T, Yang L, Widelitz RB, Chuong CM, Lian X. Roles of GasderminA3 in Catagen-Telogen Transition During Hair Cycling. J Invest Dermatol 2015; 135:2162-2172. [PMID: 25860385 PMCID: PMC4537385 DOI: 10.1038/jid.2015.147] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2014] [Revised: 03/03/2015] [Accepted: 03/30/2015] [Indexed: 01/08/2023]
Abstract
Hair follicles undergo cyclic behavior through regression (catagen), rest (telogen) and regeneration (anagen) during postnatal life. The hair cycle transition is strictly regulated by the autonomous and extrinsic molecular environment. However, whether there is a switch controlling catagen-telogen transition remains largely unknown. Here we show that hair follicles cycle from catagen to the next anagen without transitioning through a morphologically typical telogen after Gsdma3 mutation. This leaves an ESLS (epithelial strand-like structure) during the time period corresponding to telogen phase in WT mice. Molecularly, Wnt10b is upregulated in Gsdma3 mutant mice. Restoration of Gsdma3 expression in AE (alopecia and excoriation) mouse skin rescues hair follicle telogen entry and significantly decreases the Wnt10b-mediated Wnt/β-catenin signaling pathway. Overexpression of Wnt10b inhibits telogen entry by increasing epithelial strand cell proliferation. Subsequently, hair follicles with a Gsdma3 mutation enter the second anagen simultaneously as WT mice. Hair follicles cannot enter the second anagen with ectopic WT Gsdma3 overexpression. A luciferase reporter assay proves Gsdma3 directly suppresses Wnt signaling. Our findings suggest Gsdma3 plays an important role in catagen-telogen transition by balancing the Wnt signaling pathway, and that morphologically typical telogen is not essential for the initiation of a new hair cycle.
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Affiliation(s)
- Xiufeng Bai
- Department of Cell Biology, Third Military Medical University, Chongqing, People's Republic of China
| | - Mingxing Lei
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering College, Chongqing University, Chongqing, People's Republic of China; '111' Project Laboratory of Biomechanics and Tissue Repair, Bioengineering College, Chongqing University, Chongqing, People's Republic of China; Department of Pathology, University of Southern California, Los Angeles, California, USA.
| | - Jiazhong Shi
- Department of Cell Biology, Third Military Medical University, Chongqing, People's Republic of China
| | - Yu Yu
- Department of Cell Biology, Third Military Medical University, Chongqing, People's Republic of China
| | - Weiming Qiu
- Department of Cell Biology, Third Military Medical University, Chongqing, People's Republic of China
| | - Xiangdong Lai
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering College, Chongqing University, Chongqing, People's Republic of China; '111' Project Laboratory of Biomechanics and Tissue Repair, Bioengineering College, Chongqing University, Chongqing, People's Republic of China
| | - Yingxin Liu
- Department of Cell Biology, Third Military Medical University, Chongqing, People's Republic of China
| | - Tian Yang
- Department of Cell Biology, Third Military Medical University, Chongqing, People's Republic of China
| | - Li Yang
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering College, Chongqing University, Chongqing, People's Republic of China; '111' Project Laboratory of Biomechanics and Tissue Repair, Bioengineering College, Chongqing University, Chongqing, People's Republic of China
| | - Randall B Widelitz
- Department of Pathology, University of Southern California, Los Angeles, California, USA
| | - Cheng-Ming Chuong
- Department of Pathology, University of Southern California, Los Angeles, California, USA
| | - Xiaohua Lian
- Department of Cell Biology, Third Military Medical University, Chongqing, People's Republic of China.
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Functional conservation of Gsdma cluster genes specifically duplicated in the mouse genome. G3-GENES GENOMES GENETICS 2013; 3:1843-50. [PMID: 23979942 PMCID: PMC3789809 DOI: 10.1534/g3.113.007393] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Mouse Gasdermin A3 (Gsdma3) is the causative gene for dominant skin mutations exhibiting alopecia. Mouse has two other Gsdma3-related genes, Gsdma and Gsdma2, whereas human and rat have only one related gene. To date, no skin mutation has been reported for human GSDMA and rat Gsdma as well as mouse Gsdma and Gsdma2. Therefore, it is possible that only Gsdma3 has gain-of-function type mutations to cause dominant skin phenotype. To elucidate functional divergence among the Gsdma-related genes in mice, and to infer the function of the human and rat orthologs, we examined in vivo function of mouse Gsdma by generating Gsdma knockout mice and transgenic mice that overexpress wild-type Gsdma or Gsdma harboring a point mutation (Alanine339Threonine). The Gsdma knockout mice shows no visible phenotype, indicating that Gsdma is not essential for differentiation of epidermal cells and maintenance of the hair cycle, and that Gsdma is expressed specifically both in the inner root sheath of hair follicles and in suprabasal cell layers, whereas Gsdma3 is expressed only in suprabasal layers. By contrast, both types of the transgenic mice exhibited epidermal hyperplasia resembling the Gsdma3 mutations, although the phenotype depended on the genetic background. These results indicate that the mouse Gsdma and Gsdma3 genes share common function to regulate epithelial maintenance and/or homeostasis, and suggest that the function of human GSDMA and rat Gsdma, which are orthologs of mouse Gsdma, is conserved as well.
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32
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Tamura M, Hosoya M, Fujita M, Iida T, Amano T, Maeno A, Kataoka T, Otsuka T, Tanaka S, Tomizawa S, Shiroishi T. Overdosage of Hand2 causes limb and heart defects in the human chromosomal disorder partial trisomy distal 4q. Hum Mol Genet 2013; 22:2471-81. [DOI: 10.1093/hmg/ddt099] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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33
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Lei M, Yang T, Lai X, Bai X, Qiu W, Lian X, Yang L. Upregulation of interfollicular epidermal and hair infundibulum β-catenin expression in Gsdma3 mutant mice. Acta Histochem 2013; 115:63-9. [PMID: 22694914 DOI: 10.1016/j.acthis.2012.04.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2012] [Revised: 04/07/2012] [Accepted: 04/16/2012] [Indexed: 11/26/2022]
Abstract
Skin hyperplasia associated with hair follicle abnormality can be seen in many skin diseases caused by gene mutations. Gsdma3 was reported to be a mutation hotpot gene whose mutation contributed to various skin hyperplasia phenotypes in Bsk, Dfl, Rco2, Fgn, Re (den), and Rim3 mice. However, the signaling molecules involved in these skin anomalies due to Gsdma3 mutations have not yet been addressed. In this study, using hematoxylin and eosin staining, we showed that Gsdma3 mutation gave rise to thickened skin and lengthened hair infundibula throughout the hair follicle cycle. Using immunofluoresence staining, we found that Gsdma3 had a spatial expression profile very similar to that of β-catenin in the epidermis and skin appendages. Furthermore, we showed that epidermal β-catenin expression was increased at all postnatal stages in Gsdma3 mutant mice. These results suggest that Gsdma3 may play a role in the proliferation and differentiation of epidermal cells and hair follicles through negatively regulating β-catenin expression.
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34
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Lei M, Bai X, Yang T, Lai X, Qiu W, Yang L, Lian X. Gsdma3 is a new factor needed for TNF-α-mediated apoptosis signal pathway in mouse skin keratinocytes. Histochem Cell Biol 2012; 138:385-96. [DOI: 10.1007/s00418-012-0960-1] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/13/2012] [Indexed: 01/01/2023]
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35
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Kumar S, Rathkolb B, Budde BS, Nürnberg P, de Angelis MH, Aigner B, Schneider MR. Gsdma3(I359N) is a novel ENU-induced mutant mouse line for studying the function of Gasdermin A3 in the hair follicle and epidermis. J Dermatol Sci 2012; 67:190-2. [PMID: 22682752 DOI: 10.1016/j.jdermsci.2012.05.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2011] [Revised: 03/29/2012] [Accepted: 05/01/2012] [Indexed: 10/28/2022]
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36
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Zhou Y, Jiang X, Gu P, Chen W, Zeng X, Gao X. Gsdma3 mutation causes bulge stem cell depletion and alopecia mediated by skin inflammation. THE AMERICAN JOURNAL OF PATHOLOGY 2011; 180:763-74. [PMID: 22155111 DOI: 10.1016/j.ajpath.2011.10.034] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2011] [Revised: 10/14/2011] [Accepted: 10/31/2011] [Indexed: 12/17/2022]
Abstract
Primary cicatricial alopecias (PCAs) are a group of permanent hair loss disorders, of which the pathogenesis is still poorly understood. The alopecia and excoriation (AE) mouse strain is a dominant mutant generated from ethyl nitrosourea mutagenesis. AE mice exhibit a progressive alopecia phenotype similar to that seen in PCAs, resulting from a point mutation in the gasdermin A3 gene. Mutant mice begin to show alopecia on the head from postnatal day 22 and experience complete hair loss by the age of 6 months, along with hyperkeratosis and catagen delay. The results of a histological examination showed that bulge stem cells in AE skin are gradually depleted, as indicated by decreased keratin 15 and CD34 expression, and reduced bromodeoxyuridine label-retaining cells in the AE bulge. In addition, AE mice display an inflammatory condition in the skin from postnatal day 7, including elevated tumor necrosis factor-α and monocyte chemotactic protein-1 mRNA levels and significantly increased macrophages and dendritic cell number. Immune privilege in the bulge was also compromised in AE skin. Consistently, after treatment with the immunosuppressive agent, cyclosporine A, immune privilege collapse, stem cell destruction, and alopecia phenotype of AE mice were all rescued. Collectively, our data demonstrate that immune-mediated destruction of bulge stem cells plays a crucial role in the pathogenesis of alopecia in AE mice, and this strain might be an interesting model for PCAs, especially for lichen planopilaris.
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Affiliation(s)
- Yue Zhou
- Key Laboratory of Model Animal for Disease Study of Ministry of Education, Model Animal Research Center, Nanjing University, Nanjing, China
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37
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Wang X, Tredget EE, Wu Y. Dynamic signals for hair follicle development and regeneration. Stem Cells Dev 2011; 21:7-18. [PMID: 21787229 DOI: 10.1089/scd.2011.0230] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Hair follicles form during embryonic development and, after birth, undergo recurrent cycling of growth, regression, and relative quiescence. As a functional mini-organ, the hair follicle develops in an environment with dynamic and alternating changes of diverse molecular signals. Over the past decades, genetically engineered mouse models have been used to study hair follicle morphogenesis and significant advances have been made toward the identification of key signaling pathways and the regulatory genes involved. In contrast, much less is understood in signals regulating hair follicle regeneration. Like hair follicle development, hair follicle regeneration probably relies on populations of stem cells that undergo a highly coordinated and stepwise program of differentiation to produce the completed structure. Here, we review recent advances in the understanding of the molecular signals underlying hair follicle morphogenesis and regeneration, with a focus on the initiation of the primary hair follicle structure placode. Knowledge about hair follicle morphogenesis may help develop novel therapeutic strategies to enhance cutaneous regeneration and improve wound healing.
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Affiliation(s)
- Xusheng Wang
- Life Science Division, Tsinghua University Graduate School at Shenzhen, China
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38
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Gsdma3 gene is needed for the induction of apoptosis-driven catagen during mouse hair follicle cycle. Histochem Cell Biol 2011; 136:335-43. [DOI: 10.1007/s00418-011-0845-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/15/2011] [Indexed: 01/24/2023]
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39
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Ruge F, Glavini A, Gallimore AM, Richards HE, Thomas CP, O'Donnell VB, Philpott MP, Porter RM. Delineating immune-mediated mechanisms underlying hair follicle destruction in the mouse mutant defolliculated. J Invest Dermatol 2010; 131:572-9. [PMID: 21160494 DOI: 10.1038/jid.2010.379] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Defolliculated (Gsdma3(Dfl)/+) mice have a hair loss phenotype that involves an aberrant hair cycle, altered sebaceous gland differentiation with reduced sebum production, chronic inflammation, and ultimately the loss of the hair follicle. Hair loss in these mice is similar to that seen in primary cicatricial, or scarring alopecias in which immune targeting of hair follicle stem cells has been proposed as a key factor resulting in permanent hair follicle destruction. In this study we examine the mechanism of hair loss in GsdmA3(Dfl)/+ mice. Aberrant expression patterns of stem cell markers during the hair cycle, in addition to aberrant behavior of the melanocytes leading to ectopic pigmentation of the hair follicle and epidermis, indicated the stem cell niche was not maintained. An autoimmune mechanism was excluded by crossing the mice with rag1-/- mice. However, large numbers of macrophages and increased expression of ICAM-1 were still present and may be involved either directly or indirectly in the hair loss. Reverse transcriptase-PCR (RT-PCR) and immunohistochemistry of sebaceous gland differentiation markers revealed reduced peroxisome proliferator-activated receptor-γ (PPARγ), a potential cause of reduced sebum production, as well as the potential involvement of the innate immune system in the hair loss. As reduced PPARγ expression has recently been implicated as a cause for lichen planopilaris, these mice may be useful for testing therapies.
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Affiliation(s)
- Fiona Ruge
- Department of Dermatology and Wound Healing, School of Medicine, Cardiff University, Cardiff, UK
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40
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Li J, Zhou Y, Yang T, Wang N, Lian X, Yang L. Gsdma3 is required for hair follicle differentiation in mice. Biochem Biophys Res Commun 2010; 403:18-23. [DOI: 10.1016/j.bbrc.2010.10.094] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2010] [Accepted: 10/20/2010] [Indexed: 01/15/2023]
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41
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Komiyama H, Aoki A, Tanaka S, Maekawa H, Kato Y, Wada R, Maekawa T, Tamura M, Shiroishi T. Alu-derived cis-element regulates tumorigenesis-dependent gastric expression of GASDERMIN B (GSDMB). Genes Genet Syst 2010; 85:75-83. [PMID: 20410667 DOI: 10.1266/ggs.85.75] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
GASDERMIN B (GSDMB) belongs to the novel gene family GASDERMIN (GSDM). All GSDM family members are located in amplicons, genomic regions often amplified during cancer development. Given that GSDMB is highly expressed in cancerous cells and the locus resides in an amplicon, GSDMB may be involved in cancer development and/or progression. However, only limited information is available on GSDMB expression in tissues, normal and cancerous, from cancer patients. Furthermore, the molecular mechanisms that regulate GSDMB expression in gastric tissues are poorly understood. We investigated the spatiotemporal expression patterns of GSDMB in gastric cancer patients and the 5' regulatory sequences upstream of GSDMB. GSDMB was not expressed in the majority of normal gastric-tissue samples, and the expression level was very low in the few normal samples with GSDMB expression. Most pre-cancer samples showed moderate GSDMB expression, and most cancerous samples showed augmented GSDMB expression. Analysis of genome sequences revealed that an Alu element resides in the 5' region upstream of GSDMB. Reporter assays using intact, deleted, and mutated Alu elements clearly showed that this Alu element positively regulates GSDMB expression and that a putative IKZF binding motif in this element is crucial to upregulate GSDMB expression.
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Affiliation(s)
- Hiromitsu Komiyama
- Mammalian Genetics Laboratory, Genetic Strains Research Center, National Institute of Genetics, 111 Yata, Mishima, Shizuoka 411-8540, Japan
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Fujii T, Tamura M, Tanaka S, Kato Y, Yamamoto H, Mizushina Y, Shiroishi T. Gasdermin D (Gsdmd) is dispensable for mouse intestinal epithelium development. Genesis 2008; 46:418-23. [PMID: 18693275 DOI: 10.1002/dvg.20412] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Members of the novel gene family Gasdermin (Gsdm) are exclusively expressed in a highly tissue-specific manner in the epithelium of skin and the gastrointestinal tract. Based on their expression patterns and the phenotype of the Gsdma3 spontaneous mutations, it is inferred that the Gsdm family genes are involved in epithelial cell growth and/or differentiations in different tissues. To investigate possible roles of the Gsdm gene family in the development of intestinal tracts, we generated a Gsdmd mutant mouse, which is a solitary member of the Gsdmd subfamily and which is predominantly expressed in the intestinal tract by means of targeted disruption. In the mutant homozygotes, we found no abnormality of intestinal tract morphology. Moreover, in mutant mice, there was normal differentiation of all constituent cell types of the intestinal epithelium. Thus, this study clearly shows that Gsdmd is not essential for development of mouse intestinal tract or epithelial cell differentiation.
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