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Song L, Xu L, Zhang P, Li S, Qu Y, Zhao Y, Shi Z, Ma R, Li Y, Chen Y, Wang Y, Jiang Z, Wei G, Shen X. A Dual-Targeting T6SS DNase Drives Bacterial Antagonism and Eukaryotic Apoptosis via the cGAS-STING-TNF Axis. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2025:e2504086. [PMID: 40365777 DOI: 10.1002/advs.202504086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2025] [Revised: 04/27/2025] [Indexed: 05/15/2025]
Abstract
The Type VI secretion system (T6SS) is a key virulence mechanism utilized by many Gram-negative bacteria to mediate the microbial competition and host pathogenesis. Despite the identification of diverse T6SS effectors targeting eukaryotic or prokaryotic cells, the trans-kingdom T6SS effectors that simultaneously target both eukaryotic and prokaryotic cells remain rarely reported. In this study, it is demonstrated that Yersinia pseudotuberculosis (Yptb) T6SS secretes a DNase effector, TkeA, which induces apoptosis in host cells. The translocation of TkeA into host cells causes nuclear DNA damage. This, in turn, activates the DNA-sensing cyclic GMP-AMP synthase (cGAS)/stimulator of interferon genes (STING) pathway. The activation of the cGAS-STING pathway by TkeA subsequently triggers apoptosis in host cells via extrinsic pathways, with tumor necrosis factor (TNF) signaling playing a critical role. Additionally, TkeA enhances bacterial competition by targeting rival bacteria, thereby promoting host colonization. These findings reveal that the transkingdom T6SS effector TkeA executes a "one weapon, two battlefields" strategy, acting as a trans-kingdom effector that enhances interbacterial competition while inducing apoptosis in host cells through the activation of the cGAS-STING-TNF axis. This highlights a previously unrecognized dimension of bacterial virulence strategies and expands the understanding of host-pathogen interactions involving T6SS effectors.
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Affiliation(s)
- Li Song
- Shaanxi Key Laboratory of Agricultural and Environmental Microbiology, College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi, 12100, P. R. China
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. China
| | - Lei Xu
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. China
| | - Pengfei Zhang
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. China
| | - Shuying Li
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. China
| | - Yichen Qu
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. China
| | - Yixin Zhao
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. China
| | - Zhenkun Shi
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. China
| | - Ruiqi Ma
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. China
| | - Yongdong Li
- Ningbo Municipal Center for Disease Control and Prevention, Ningbo, Zhejiang, 315010, P. R. China
| | - Yi Chen
- Ningbo Municipal Center for Disease Control and Prevention, Ningbo, Zhejiang, 315010, P. R. China
| | - Yao Wang
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. China
| | - Zhengfan Jiang
- Key Laboratory of Cell Proliferation and Differentiation of the Ministry of Education, School of Life Sciences, Peking University, Beijing, 100871, P. R. China
- Peking-Tsinghua Center for Life Sciences, Peking University, Beijing, 100871, P. R. China
| | - Gehong Wei
- Shaanxi Key Laboratory of Agricultural and Environmental Microbiology, College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi, 12100, P. R. China
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. China
| | - Xihui Shen
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. China
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2
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Broz P. Pyroptosis: molecular mechanisms and roles in disease. Cell Res 2025; 35:334-344. [PMID: 40181184 PMCID: PMC12012027 DOI: 10.1038/s41422-025-01107-6] [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: 10/28/2024] [Accepted: 03/13/2025] [Indexed: 04/05/2025] Open
Abstract
Pyroptosis is a type of programmed necrosis triggered by the detection of pathogens or endogenous danger signals in the cytosol. Pyroptotic cells exhibit a swollen, enlarged morphology and ultimately undergo lysis, releasing their cytosolic contents - such as proteins, metabolites, and nucleic acids - into the extracellular space. These molecules can function as danger-associated molecular patterns (DAMPs), triggering inflammation when detected by neighboring cells. Mechanistically, pyroptosis is initiated by members of the gasdermin protein family, which were identified a decade ago as pore-forming executors of cell death. Mammalian gasdermins consist of a cytotoxic N-terminal domain, a flexible linker, and a C-terminal regulatory domain that binds to and inhibits the N-terminus. Proteolytic cleavage within the linker releases the N-terminal domain, enabling it to target various cellular membranes, including nuclear, mitochondrial, and plasma membranes, where it forms large transmembrane pores. Gasdermin pores in the plasma membrane disrupt the electrochemical gradient, leading to water influx and cell swelling. Their formation also activates the membrane protein ninjurin-1 (NINJ1), which oligomerizes to drive complete plasma membrane rupture and the release of large DAMPs. Since their discovery as pore-forming proteins, gasdermins have been linked to pyroptosis not only in host defense but also in various pathological conditions. This review explores the history of pyroptosis, recent insights into gasdermin activation, the cellular consequences of pore formation, and the physiological roles of pyroptosis.
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Affiliation(s)
- Petr Broz
- Department of Immunobiology, University of Lausanne, Lausanne, Switzerland.
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3
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Li Y, Xu Y, Jin C, Qiu J, Jiao X, Pan Z, Guo Y. Salmonella-NLRP3 Inflammasome Crosstalk: Host Defense Activation Versus Bacterial Immune Evasion Strategies. J Inflamm Res 2025; 18:5133-5148. [PMID: 40255664 PMCID: PMC12009050 DOI: 10.2147/jir.s519902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2025] [Accepted: 04/10/2025] [Indexed: 04/22/2025] Open
Abstract
The innate immune system plays a crucial role in defending against Salmonella infection. Inflammasomes are macromolecular complexes that assemble in response to the recognition of pathogen- or danger-associated molecular patterns. These complexes serve as signaling platforms for the activation of inflammatory Caspases, which subsequently triggers the maturation and secretion of the pro-inflammatory cytokines IL-1β and IL-18. This process also initiates pyroptosis, a highly inflammatory form of programmed cell death characterized by lytic cell lysis. Salmonella are intracellular pathogens that proliferate within epithelial cells and macrophages, posing a significant public health risk in both developed and developing countries. During Salmonella infection, the canonical NLRP3 and NLRC4 inflammasome, as well as non-canonical inflammasome, are activated. Unlike NLRC4 and non-canonical inflammasomes, which play crucial roles during intestinal infection phases, the role of NLRP3 inflammasome in resisting Salmonella infection demonstrates a higher degree of complexity and uncertainty. Nonetheless, the activation of NLRP3 inflammasome, along with the downstream innate and adaptive responses, form a robust host immune barrier against potential pathogens. Therefore, successful pathogens must evolve multiple mechanisms to circumvent or counteract these immune barriers. Here we review and discuss the mechanisms of NLRP3 inflammasome activation triggered by intracellular Salmonella, as well as the multiple strategies employed by Salmonella to avoid or delay NLRP3 inflammasome activation. A deeper understanding of how NLRP3 inflammasomes recognize Salmonella and how pathogens evade NLRP3 activation has the potential to facilitate the development of novel prevention and control measures for Salmonella infection.
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Affiliation(s)
- Yuxuan Li
- School of Nursing School of Public Health, Yangzhou University, Jiangsu, People’s Republic of China
| | - Ying Xu
- The Department of Economics and Management, Jiangsu College of Tourism, Jiangsu, People’s Republic of China
| | - Cheng Jin
- School of Nursing School of Public Health, Yangzhou University, Jiangsu, People’s Republic of China
| | - Jiayi Qiu
- School of Nursing School of Public Health, Yangzhou University, Jiangsu, People’s Republic of China
| | - Xinan Jiao
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, Jiangsu, 225009, People’s Republic of China
- Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, Jiangsu, 225009, People’s Republic of China
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture of China, Yangzhou University, Yangzhou, Jiangsu, People’s Republic of China
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education, Yangzhou University, Yangzhou, Jiangsu, People’s Republic of China
| | - Zhiming Pan
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, Jiangsu, 225009, People’s Republic of China
- Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, Jiangsu, 225009, People’s Republic of China
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture of China, Yangzhou University, Yangzhou, Jiangsu, People’s Republic of China
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education, Yangzhou University, Yangzhou, Jiangsu, People’s Republic of China
| | - Yaxin Guo
- School of Nursing School of Public Health, Yangzhou University, Jiangsu, People’s Republic of China
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, Jiangsu, 225009, People’s Republic of China
- Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, Jiangsu, 225009, People’s Republic of China
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture of China, Yangzhou University, Yangzhou, Jiangsu, People’s Republic of China
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education, Yangzhou University, Yangzhou, Jiangsu, People’s Republic of China
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Miao Z, Zhang X, Xu Y, Liu Y, Yang Q. Unveiling the nexus: pyroptosis and its crucial implications in liver diseases. Mol Cell Biochem 2025; 480:2159-2176. [PMID: 39477911 DOI: 10.1007/s11010-024-05147-1] [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: 06/12/2024] [Accepted: 10/22/2024] [Indexed: 04/02/2025]
Abstract
Pyroptosis, a distinctive form of programmed cell death orchestrated by gasdermin proteins, manifests as cellular rupture, accompanied by the release of inflammatory factors. While pyroptosis is integral to anti-infection immunity, its aberrant activation has been implicated in tumorigenesis. The liver, as the body's largest metabolic organ, is rich in various enzymes and governs metabolism. It is also the primary site for protein synthesis. Recent years have witnessed the emergence of pyroptosis as a significant player in the pathogenesis of specific liver diseases, exerting a pivotal role in both physiological and pathological processes. A comprehensive exploration of pyroptosis can unveil its contributions to the development and regression of conditions such as hepatitis, cirrhosis, and hepatocellular carcinoma, offering innovative perspectives for clinical prevention and treatment. This review consolidates current knowledge on key molecules involved in cellular pyroptosis and delineates their roles in liver diseases. Furthermore, we discuss the potential of leveraging pyroptosis as a novel or existing anti-cancer strategy.
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Affiliation(s)
- Zeyu Miao
- Department of Pathogenobiology, College of Basic Medical Sciences, Jilin University, 126 Xinmin Street, Changchun, 130021, Jilin Province, China
| | - Xiaorong Zhang
- Department of Pathogenobiology, College of Basic Medical Sciences, Jilin University, 126 Xinmin Street, Changchun, 130021, Jilin Province, China
| | - Yang Xu
- Department of Pathogenobiology, College of Basic Medical Sciences, Jilin University, 126 Xinmin Street, Changchun, 130021, Jilin Province, China
| | - Yan Liu
- Department of Pathogenobiology, College of Basic Medical Sciences, Jilin University, 126 Xinmin Street, Changchun, 130021, Jilin Province, China
| | - Qing Yang
- Department of Pathogenobiology, College of Basic Medical Sciences, Jilin University, 126 Xinmin Street, Changchun, 130021, Jilin Province, China.
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5
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Bai Y, Pan Y, Liu X. Mechanistic insights into gasdermin-mediated pyroptosis. Nat Rev Mol Cell Biol 2025:10.1038/s41580-025-00837-0. [PMID: 40128620 DOI: 10.1038/s41580-025-00837-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/29/2025] [Indexed: 03/26/2025]
Abstract
Pyroptosis, a novel mode of inflammatory cell death, is executed by membrane pore-forming gasdermin (GSDM) family members in response to extracellular or intracellular injury cues and is characterized by a ballooning cell morphology, plasma membrane rupture and the release of inflammatory mediators such as interleukin-1β (IL-1β), IL-18 and high mobility group protein B1 (HMGB1). It is a key effector mechanism for host immune defence and surveillance against invading pathogens and aberrant cancerous cells, and contributes to the onset and pathogenesis of inflammatory and autoimmune diseases. Manipulating the pore-forming activity of GSDMs and pyroptosis could lead to novel therapeutic strategies. In this Review, we discuss the current knowledge regarding how GSDM-mediated pyroptosis is initiated, executed and regulated, its roles in physiological and pathological processes, and the crosstalk between different modes of programmed cell death. We also highlight the development of drugs that target pyroptotic pathways for disease treatment.
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Affiliation(s)
- Yang Bai
- Shanghai Institute of Immunity and Infection, Chinese Academy of Sciences, Shanghai, China
| | - Youdong Pan
- Department of Dermatology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Xing Liu
- Shanghai Institute of Immunity and Infection, Chinese Academy of Sciences, Shanghai, China.
- Shanghai Academy of Natural Sciences (SANS), Shanghai, China.
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6
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Worley MJ. Salmonella Type III Secretion System Effectors. Int J Mol Sci 2025; 26:2611. [PMID: 40141253 PMCID: PMC11942329 DOI: 10.3390/ijms26062611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2025] [Revised: 03/05/2025] [Accepted: 03/12/2025] [Indexed: 03/28/2025] Open
Abstract
Salmonella is estimated to infect between 200 million and over 1 billion people per year. The exact number is not known, as many cases go unreported. Integral to the pathogenesis of Salmonella, as well as numerous other Gram-negative pathogens, is its type III effectors. Salmonella possesses two distinct type III secretion systems, encoded by Salmonella pathogenicity island-1 and Salmonella pathogenicity island-2. Together, they secrete at least 49 type III effectors into host cells that are collectively responsible for many of the virulence attributes of this pathogen. These virulence factors facilitate the invasion of host cells, induce and attenuate inflammation, and change the migratory properties of infected phagocytes, among other things. The effects of all type III effectors on Salmonella virulence are discussed.
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Affiliation(s)
- Micah J Worley
- Department of Biology, University of Louisville, Louisville, KY 40292, USA
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7
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Khawas S, Sharma N. Cell death crosstalk in respiratory diseases: unveiling the relationship between pyroptosis and ferroptosis in asthma and COPD. Mol Cell Biochem 2025; 480:1305-1326. [PMID: 39112808 DOI: 10.1007/s11010-024-05062-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Accepted: 06/29/2024] [Indexed: 02/21/2025]
Abstract
Asthma and chronic obstructive pulmonary disease (COPD) are heterogeneous obstructive diseases characterized by airflow limitations and are recognized as significant contributors to fatality all over the globe. Asthma accounts for about 4, 55,000 deaths, and COPD is the 3rd leading contributor of mortality worldwide. The pathogenesis of these two obstructive disorders is complex and involves numerous mechanistic pathways, including inflammation-mediated and non-inflammation-mediated pathways. Among all the pathological categorizations, programmed cell deaths (PCDs) play a dominating role in the progression of these obstructive diseases. The two major PCDs that are involved in structural and functional remodeling in the progression of asthma and COPD are Pyroptosis and Ferroptosis. Pyroptosis is a PCD mechanism mediated by the activation of the Nucleotide-binding domain, leucine-rich-containing family, pyrin domain-containing-3 (NLRP3) inflammasome, leading to the maturation and release of Interleukin-1β and Interleukin-18, whereas ferroptosis is a lipid peroxidation-associated cell death. In this review, the major molecular pathways contributing to these multifaceted cell deaths have been discussed, and crosstalk among them regarding the pathogenesis of asthma and COPD has been highlighted. Further, the possible therapeutic approaches that can be utilized to mitigate both cell deaths at once have also been illustrated.
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Affiliation(s)
- Sayak Khawas
- Department of Pharmaceutical Science & Technology, Birla Institute of Technology, Mesra, Ranchi, Jharkhand, India
| | - Neelima Sharma
- Department of Pharmaceutical Science & Technology, Birla Institute of Technology, Mesra, Ranchi, Jharkhand, India.
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8
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Johnson DE, Cui Z. Triggering Pyroptosis in Cancer. Biomolecules 2025; 15:348. [PMID: 40149884 PMCID: PMC11940180 DOI: 10.3390/biom15030348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2024] [Revised: 02/19/2025] [Accepted: 02/25/2025] [Indexed: 03/29/2025] Open
Abstract
Pyroptosis is an inflammatory programmed cell death recently identified as a crucial cellular process in various diseases, including cancers. Unlike other forms of cell death, canonical pyroptosis involves the specific cleavage of gasdermin by caspase-1, resulting in cell membrane damage and the release of the pro-inflammatory cytokines IL-1β and IL-18. Initially observed in innate immune cells responding to external pathogens or internal death signals, pyroptotic cell death has now been observed in numerous cell types. Recent studies have extensively explored different ways to trigger pyroptotic cell death in solid tumors, presenting a promising avenue for cancer treatment. This review outlines the mechanisms of both canonical and noncanonical pyroptosis pertinent to cancer and primarily focuses on various biomolecules that can induce pyroptosis in malignancies. This strategy aims not only to eliminate cancer cells but also to promote an improved tumor immune microenvironment. Furthermore, emerging research indicates that targeting pyroptotic pathways may improve the effectiveness of existing cancer treatments, making them more potent against resistant tumor types, offering new hope for overcoming treatment resistance in aggressive malignancies.
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Affiliation(s)
- Daniel E. Johnson
- Department of Otolaryngology—Head and Neck Surgery, University of California at San Francisco, San Francisco, CA 94143, USA;
- Helen Diller Family Comprehensive Cancer Center, University of California at San Francisco, San Francisco, CA 94143, USA
| | - Zhibin Cui
- Department of Oral Biology, School of Dental Medicine, University at Buffalo, The State University of New York, Buffalo, NY 14214, USA
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9
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Yang S, Zou Y, Zhong C, Zhou Z, Peng X, Tang C. Dual role of pyroptosis in liver diseases: mechanisms, implications, and therapeutic perspectives. Front Cell Dev Biol 2025; 13:1522206. [PMID: 39917567 PMCID: PMC11798966 DOI: 10.3389/fcell.2025.1522206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2024] [Accepted: 01/10/2025] [Indexed: 02/09/2025] Open
Abstract
Pyroptosis, a form of programmed cell death induced by inflammasome with a mechanism distinct from that of apoptosis, occurs via one of the three pathway types: classical, non-classical, and granzyme A/B-dependent pyroptosis pathways. Pyroptosis is implicated in various diseases, notably exhibiting a dual role in liver diseases. It facilitates the clearance of damaged hepatocytes, preventing secondary injury, and triggers immune responses to eliminate pathogens and damaged cells. Conversely, excessive pyroptosis intensifies inflammatory responses, exacerbates hepatocyte damage and promotes the activation and proliferation of hepatic stellate cells, accelerating liver fibrosis. Furthermore, by sustaining an inflammatory state, impacts the survival and proliferation of cancer cells. This review comprehensively summarizes the dual role of pyroptosis in liver diseases and its therapeutic strategies, offering new theoretical foundations and practical guidance for preventing and treating of liver diseases.
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Affiliation(s)
| | | | | | - Zuoqiong Zhou
- State Key Laboratory of Developmental Biology of Freshwater Fish, Key Laboratory of Physical Fitness and Exercise Rehabilitation of Hunan Province, College of Physical Education, Hunan Normal University, Changsha, China
| | - Xiyang Peng
- State Key Laboratory of Developmental Biology of Freshwater Fish, Key Laboratory of Physical Fitness and Exercise Rehabilitation of Hunan Province, College of Physical Education, Hunan Normal University, Changsha, China
| | - Changfa Tang
- State Key Laboratory of Developmental Biology of Freshwater Fish, Key Laboratory of Physical Fitness and Exercise Rehabilitation of Hunan Province, College of Physical Education, Hunan Normal University, Changsha, China
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10
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Torsilieri HM, Upchurch CM, Leitinger N, Casanova JE. Salmonella-induced cholesterol accumulation in infected macrophages suppresses autophagy via mTORC1 activation. Mol Biol Cell 2025; 36:ar3. [PMID: 39602284 PMCID: PMC11742112 DOI: 10.1091/mbc.e24-06-0283] [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: 06/27/2024] [Revised: 11/07/2024] [Accepted: 11/19/2024] [Indexed: 11/29/2024] Open
Abstract
Salmonella enterica serovar Typhimurium is a Gram-negative bacillus that infects the host intestinal epithelium and resident macrophages. Many intracellular pathogens induce an autophagic response in host cells but have evolved mechanisms to subvert that response. Autophagy is closely linked to cellular cholesterol levels; mTORC1 senses increased cholesterol in lysosomal membranes, leading to its hyperactivity and suppression of autophagy. Previous studies indicate that Salmonella infection induces dramatic accumulation of cholesterol in macrophages, a fraction of which localizes to Salmonella containing vacuoles (SCVs). We previously reported that the bacterial effector protein SseJ triggers cholesterol accumulation through a signaling cascade involving focal adhesion kinase (FAK) and Akt. Here we show that mTORC1 is recruited to SCVs and is hyperactivated in a cholesterol-dependent manner. If cholesterol accumulation is prevented pharmacologically or through mutation of sseJ, autophagy is induced and bacterial survival is attenuated. Notably, the host lipid transfer protein OSBP (oxysterol binding protein 1) is also recruited to SCVs and its activity is necessary for both cholesterol transfer to SCVs and mTORC1 activation during infection. Finally, lipidomic analysis of Salmonella-infected macrophages revealed new insights into how Salmonella may manipulate lipid homeostasis to benefit its survival. We propose that S. Typhimurium induces cholesterol accumulation through SseJ to activate mTORC1, preventing autophagic clearance of bacteria.
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Affiliation(s)
- Holly M. Torsilieri
- Department of Microbiology, Immunology, and Cancer Biology, University of Virginia School of Medicine, Charlottesville, VA 22903
- Department of Cell Biology, University of Virginia School of Medicine, Charlottesville, VA 22903
| | - Clint M. Upchurch
- Department of Pharmacology, University of Virginia School of Medicine, Charlottesville, VA 22903
| | - Norbert Leitinger
- Department of Pharmacology, University of Virginia School of Medicine, Charlottesville, VA 22903
| | - James E. Casanova
- Department of Microbiology, Immunology, and Cancer Biology, University of Virginia School of Medicine, Charlottesville, VA 22903
- Department of Cell Biology, University of Virginia School of Medicine, Charlottesville, VA 22903
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11
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Liu Z, Xu S, Chen L, Gong J, Wang M. The role of pyroptosis in cancer: key components and therapeutic potential. Cell Commun Signal 2024; 22:548. [PMID: 39548573 PMCID: PMC11566483 DOI: 10.1186/s12964-024-01932-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2024] [Accepted: 11/07/2024] [Indexed: 11/18/2024] Open
Abstract
Pyroptosis is a lytic and inflammatory form of gasdermin protein-mediated programmed cell death that is typically initiated by inflammasomes. The inflammasome response is an effective mechanism for eradicating germs and cancer cells in the event of cellular injury. The gasdermin family is responsible for initiating pyroptosis, a process in which holes are made in the cell membrane to allow inflammatory chemicals to escape. Mounting evidence indicates that pyroptosis is critical for controlling the development of cancer. In this review, we provide a general overview of pyroptosis, examine the relationship between the primary elements of pyroptosis and tumors, and stress the necessity of pyroptosis-targeted therapy in tumors. Furthermore, we explore its dual nature as a double-edged sword capable of both inhibiting and facilitating the growth of cancer, depending on the specific conditions. Ultimately, pyroptosis is a phenomenon that has both positive and negative effects on tumors. Using this dual impact in a reasonable manner may facilitate investigation into the initiation and progression of tumors and offer insights for the development of novel treatments centered on pyroptosis.
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Affiliation(s)
- Zixi Liu
- Department of Biliary-Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, Hubei, 430030, China
| | - Simiao Xu
- Division of Endocrinology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
| | - Lin Chen
- Department of Biliary-Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, Hubei, 430030, China
| | - Jun Gong
- Department of Biliary-Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, Hubei, 430030, China.
| | - Min Wang
- Department of Biliary-Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, Hubei, 430030, China.
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12
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Tohidi R, Bargourooshi HJ, Javanmard A. Network and systems biology approaches help investigate gene regulatory interactions between Salmonella disease and host in chickens: Model-based in silico evidence combined with gene expression assays. Vet Med Sci 2024; 10:e70006. [PMID: 39392284 PMCID: PMC11467963 DOI: 10.1002/vms3.70006] [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: 01/25/2024] [Revised: 07/23/2024] [Accepted: 08/06/2024] [Indexed: 10/12/2024] Open
Abstract
BACKGROUND Salmonella enteritidis (SE), a previously widespread infectious disease, is still cited as a major factor in economic losses in commercial chicken production. The host's genetic immune system determines the pathogenicity of a particular bacterium. To shed light on this topic, it was necessary to understand the key candidate genes essential for regulating susceptibility and resistance to the target disease. The field of poultry farming in particular has benefited greatly from the connection between quantitative and molecular genetics. OBJECTIVES This study aims to identify the most important immune-related genes and their signalling pathways (gene ontology, co-expression and interactions) and to analyse their accumulation in host-resistant SE diseases by combining gene expression assays with model-based in silico evidence. METHODS A two-step experimental design is followed. To start, we used free computational tools and online bioinformatics resources, including predicting gene function using a multiple association network integration algorithm (geneMania), the Kyoto Encyclopedia of Genes and Genomes, the Annotation, Visualization and Integrated Discovery (DAVID) database and the stimulator of interferon genes. Natural resistance-associated macrophage protein 1 (NRAMP1), Toll-like receptor 4 (TLR4), interferon-γ (IFNγ), immunoglobulin Y (IgY) and interleukin 8 (IL8) were among the five genes whose expression levels in liver, spleen, and cecum were evaluated at 1107 SE after 48 h of inoculation. This molecular study was developed in the second phase of research to validate the in silico observations. Next, we use five promising biomarkers for relative real-time polymerase chain reaction (PCR) quantification: TLR4, IL8, NRAMP1, IFNγ and IgY genes in two case and control assays. The 2-∆∆Ct Livak and Schmittgen method was used to compare the expression of genes in treated and untreated samples. This method normalizes the expression of the target gene to that of actin, an internal control and estimates the change in expression relative to the untreated control. Internal control was provided by the Beta actin gene. Next, statistically, the postdoc test was used for the evaluation of treatments using SAS version 9.4, and p values of 0.05 and 0.01 were chosen for significant level. RESULTS Interestingly, the results of our study suggest the involvement of various factors in the host immune response to Salmonella. These include inducible nitric oxide synthase, NRAMP1, immunoglobulin light chain (IgL), transforming growth factor B family (TGFb2, TGFb3 and TGFb4), interleukin 2 (IL2), apoptosis inhibitor protein 1 (IAP1), TLR4, myeloid differentiation protein 2 (MD2), IFNγ, caspase 1 (CASP1), lipopolysaccharide-induced tumour necrosis factor (LITAF), cluster of differentiation 28 (CD28) and prosaposin (PSAP). The summary of gene ontology and related genes found for SE resistance was surprisingly comprehensive and covered the following topics: positive regulation of endopeptidase activity, interleukin-8 production, chemokine production, interferon-gamma production, interleukin-6 production, positive regulation of mononuclear cell proliferation and response to interferon-gamma. The role of these promising biomarkers in our networks against SE susceptibility is essentially confirmed by these results. After 48 h, the spleen showed significant expression of the tissue-specific gene expression patterns for NRAMP1 and IL8 in the cecum, spleen and liver. Based on this information, this report searches for resistance and susceptibility lineages in most genomic regions for SE. CONCLUSIONS In conclusion, the development of an appropriate selection program to improve resistance to salmonellosis can be facilitated by a comprehensive understanding of the immune responses of the chicken immune system after SE exposure.
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Affiliation(s)
- Reza Tohidi
- Department of Animal ScienceFaculty of AgricultureUniversity of Torbat‐e JamTorbat‐e JamIran
| | - Hoda Javaheri Bargourooshi
- Department of Animal Production ManagementAnimal Science Research Institute of Iran (ASRI)Agricultural Research Education and Extension Organization (AREEO)KarajIran
| | - Arash Javanmard
- Department of Animal ScienceFaculty of AgricultureUniversity of TabrizTabrizIran
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Meng Y, Zhang Q, Xu M, Ding K, Yu Z, Li J. Pyroptosis regulation by Salmonella effectors. Front Immunol 2024; 15:1464858. [PMID: 39507539 PMCID: PMC11538000 DOI: 10.3389/fimmu.2024.1464858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2024] [Accepted: 10/04/2024] [Indexed: 11/08/2024] Open
Abstract
The genus Salmonella contains the most common foodborne pathogens frequently isolated from food-producing animals and is responsible for zoonotic infections in humans and animals. Salmonella infection in humans and animals can cause intestinal damage, resulting in intestinal inflammation and disruption of intestinal homeostasis more severe cases can lead to bacteremia. Pyroptosis, a proinflammatory form of programmed cell death, is involved in many disease processes. Inflammasomes, pyroptosis, along with their respective signaling cascades, are instrumental in the preservation of intestinal homeostasis. In recent years, with the in-depth study of pyroptosis, our comprehension of the virulence factors and effector proteins in Salmonella has reached an extensive level, a deficit persists in our knowledge regarding the intrinsic pathogenic mechanisms about pyroptosis, necessitating a continued pursuit of understanding and investigation. In this review, we discuss the occurrence of pyroptosis induced by Salmonella effectors to provide new ideas for elucidating the regulatory mechanisms through which Salmonella virulence factors and effector proteins trigger pyroptosis could pave the way for novel concepts and strategies in the clinical prevention of Salmonella infections and the treatment of associated diseases.
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Affiliation(s)
- Yuan Meng
- College of Animal Science and Technology/Laboratory of Functional Microbiology and Animal Health, Henan University of Science and Technology, Luoyang, Henan, China
- The Key Lab of Animal Disease and Public Health/Luoyang Key Laboratory of Live Carrier Biomaterial and Animal Disease Prevention and Control, Henan University of Science and Technology, Luoyang, Henan, China
| | - Qianjin Zhang
- College of Animal Science and Technology/Laboratory of Functional Microbiology and Animal Health, Henan University of Science and Technology, Luoyang, Henan, China
- The Key Lab of Animal Disease and Public Health/Luoyang Key Laboratory of Live Carrier Biomaterial and Animal Disease Prevention and Control, Henan University of Science and Technology, Luoyang, Henan, China
| | - Mengen Xu
- College of Animal Science and Technology/Laboratory of Functional Microbiology and Animal Health, Henan University of Science and Technology, Luoyang, Henan, China
- The Key Lab of Animal Disease and Public Health/Luoyang Key Laboratory of Live Carrier Biomaterial and Animal Disease Prevention and Control, Henan University of Science and Technology, Luoyang, Henan, China
| | - Ke Ding
- College of Animal Science and Technology/Laboratory of Functional Microbiology and Animal Health, Henan University of Science and Technology, Luoyang, Henan, China
- The Key Lab of Animal Disease and Public Health/Luoyang Key Laboratory of Live Carrier Biomaterial and Animal Disease Prevention and Control, Henan University of Science and Technology, Luoyang, Henan, China
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, China
| | - Zuhua Yu
- College of Animal Science and Technology/Laboratory of Functional Microbiology and Animal Health, Henan University of Science and Technology, Luoyang, Henan, China
- The Key Lab of Animal Disease and Public Health/Luoyang Key Laboratory of Live Carrier Biomaterial and Animal Disease Prevention and Control, Henan University of Science and Technology, Luoyang, Henan, China
| | - Jing Li
- College of Animal Science and Technology/Laboratory of Functional Microbiology and Animal Health, Henan University of Science and Technology, Luoyang, Henan, China
- The Key Lab of Animal Disease and Public Health/Luoyang Key Laboratory of Live Carrier Biomaterial and Animal Disease Prevention and Control, Henan University of Science and Technology, Luoyang, Henan, China
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14
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Al Mamun A, Geng P, Wang S, Shao C. Role of Pyroptosis in Endometrial Cancer and Its Therapeutic Regulation. J Inflamm Res 2024; 17:7037-7056. [PMID: 39377044 PMCID: PMC11457779 DOI: 10.2147/jir.s486878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2024] [Accepted: 09/21/2024] [Indexed: 10/09/2024] Open
Abstract
Pyroptosis is an inflammatory cell death induced by inflammasomes that release several pro-inflammatory mediators such as interleukin-18 (IL-18) and interleukin-1β (IL-1β). Pyroptosis, a type of programmed cell death, has recently received increased interest both as a therapeutic and immunological mechanism. Numerous studies have provided substantial evidence supporting the involvement of inflammasomes and pyroptosis in a variety of pathological conditions including cancers, nerve damage, inflammatory diseases and metabolic conditions. Researchers have demonstrated that dysregulation of pyroptosis and inflammasomes contribute to the progression of endometriosis and gynecological malignancies. Current research also indicates that inflammasome and pyroptosis-dependent signaling pathways may further induce the progression of endometrial cancer (EC). More specifically, dysregulation of NLR family pyrin domain 3 (NLRP3) and caspase-1-dependent pyroptosis play a contributory role in the pathogenesis and development of EC. Therefore, pyroptosis-regulated protein gasdermin D (GSDMD) may be an independent prognostic biomarker for the detection of EC. This review presents the molecular mechanisms of pyroptosis-dependent signaling pathways and their contributory role and function in advancing EC. Moreover, this review offers new insights into potential future applications and innovative approaches in utilizing pyroptosis to develop effective anti-cancer therapies.
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Affiliation(s)
- Abdullah Al Mamun
- Key Laboratory of Joint Diagnosis and Treatment of Chronic Liver Disease and Liver Cancer of Lishui, The Lishui Hospital of Wenzhou Medical University, The First Affiliated Hospital of Lishui University, Lishui People’s Hospital, Lishui, Zhejiang, 323000, People’s Republic of China
- Molecular Pharmacology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325000, People’s Republic of China
| | - Peiwu Geng
- Key Laboratory of Joint Diagnosis and Treatment of Chronic Liver Disease and Liver Cancer of Lishui, The Lishui Hospital of Wenzhou Medical University, The First Affiliated Hospital of Lishui University, Lishui People’s Hospital, Lishui, Zhejiang, 323000, People’s Republic of China
| | - Shuanghu Wang
- Key Laboratory of Joint Diagnosis and Treatment of Chronic Liver Disease and Liver Cancer of Lishui, The Lishui Hospital of Wenzhou Medical University, The First Affiliated Hospital of Lishui University, Lishui People’s Hospital, Lishui, Zhejiang, 323000, People’s Republic of China
| | - Chuxiao Shao
- Key Laboratory of Joint Diagnosis and Treatment of Chronic Liver Disease and Liver Cancer of Lishui, The Lishui Hospital of Wenzhou Medical University, The First Affiliated Hospital of Lishui University, Lishui People’s Hospital, Lishui, Zhejiang, 323000, People’s Republic of China
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15
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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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16
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Tian Y, Tang L, Wang X, Ji Y, Tu Y. Nrf2 in human cancers: biological significance and therapeutic potential. Am J Cancer Res 2024; 14:3935-3961. [PMID: 39267682 PMCID: PMC11387866 DOI: 10.62347/lzvo6743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Accepted: 08/07/2024] [Indexed: 09/15/2024] Open
Abstract
The nuclear factor-erythroid 2-related factor 2 (Nrf2) is able to control the redox balance in the cells responding to oxidative damage and other stress signals. The Nrf2 upregulation can elevate the levels of antioxidant enzymes to support against damage and death. In spite of protective function of Nrf2 in the physiological conditions, the stimulation of Nrf2 in the cancer has been in favour of tumorigenesis. Since the dysregulation of molecular pathways and mutations/deletions are common in tumors, Nrf2 can be a promising therapeutic target. The Nrf2 overexpression can prevent cell death in tumor and by increasing the survival rate of cancer cells, ensures the carcinogenesis. Moreover, the induction of Nrf2 can promote the invasion and metastasis of tumor cells. The Nrf2 upregulation stimulates EMT to increase cancer metastasis. Furthermore, regarding the protective function of Nrf2, its stimulation triggers chemoresistance. The natural products can regulate Nrf2 in the cancer therapy and reverse drug resistance. Moreover, nanostructures can specifically target Nrf2 signaling in cancer therapy. The current review discusses the potential function of Nrf2 in the proliferation, metastasis and drug resistance. Then, the capacity of natural products and nanostructures for suppressing Nrf2-mediated cancer progression is discussed.
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Affiliation(s)
- Yu Tian
- Research Center, Huizhou Central People's Hospital, Guangdong Medical University Huizhou, Guangdong, China
- School of Public Health, Benedictine University Lisle, Illinois, USA
| | - Lixin Tang
- Department of Respiratory, Chongqing Public Health Medical Center Chongqing, China
| | - Xin Wang
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School Boston, Massachusetts, USA
| | - Yanqin Ji
- Department of Administration, Huizhou Central People's Hospital, Guangdong Medical University Huizhou, Guangdong, China
| | - Yanyang Tu
- Research Center, Huizhou Central People's Hospital, Guangdong Medical University Huizhou, Guangdong, China
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17
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Wu Q, Du J, Bae EJ, Choi Y. Pyroptosis in Skeleton Diseases: A Potential Therapeutic Target Based on Inflammatory Cell Death. Int J Mol Sci 2024; 25:9068. [PMID: 39201755 PMCID: PMC11354934 DOI: 10.3390/ijms25169068] [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: 06/25/2024] [Revised: 08/15/2024] [Accepted: 08/20/2024] [Indexed: 09/03/2024] Open
Abstract
Skeletal disorders, including fractures, osteoporosis, osteoarthritis, rheumatoid arthritis, and spinal degenerative conditions, along with associated spinal cord injuries, significantly impair daily life and impose a substantial burden. Many of these conditions are notably linked to inflammation, with some classified as inflammatory diseases. Pyroptosis, a newly recognized form of inflammatory cell death, is primarily triggered by inflammasomes and executed by caspases, leading to inflammation and cell death through gasdermin proteins. Emerging research underscores the pivotal role of pyroptosis in skeletal disorders. This review explores the pyroptosis signaling pathways and their involvement in skeletal diseases, the modulation of pyroptosis by other signals in these conditions, and the current evidence supporting the therapeutic potential of targeting pyroptosis in treating skeletal disorders, aiming to offer novel insights for their management.
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Affiliation(s)
- Qian Wu
- Department of Biochemistry and Molecular Biology, Jeonbuk National University Medical School, Jeonju 54896, Republic of Korea (J.D.)
| | - Jiacheng Du
- Department of Biochemistry and Molecular Biology, Jeonbuk National University Medical School, Jeonju 54896, Republic of Korea (J.D.)
| | - Eun Ju Bae
- School of Pharmacy, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - Yunjung Choi
- Division of Rheumatology, Department of Internal Medicine, Jeonbuk National University Medical School, Jeonju 54896, Republic of Korea
- Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju 54907, Republic of Korea
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18
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Miki T, Uemura T, Kinoshita M, Ami Y, Ito M, Okada N, Furuchi T, Kurihara S, Haneda T, Minamino T, Kim YG. Salmonella Typhimurium exploits host polyamines for assembly of the type 3 secretion machinery. PLoS Biol 2024; 22:e3002731. [PMID: 39102375 DOI: 10.1371/journal.pbio.3002731] [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: 01/10/2024] [Accepted: 07/02/2024] [Indexed: 08/07/2024] Open
Abstract
Bacterial pathogens utilize the factors of their hosts to infect them, but which factors they exploit remain poorly defined. Here, we show that a pathogenic Salmonella enterica serovar Typhimurium (STm) exploits host polyamines for the functional expression of virulence factors. An STm mutant strain lacking principal genes required for polyamine synthesis and transport exhibited impaired infectivity in mice. A polyamine uptake-impaired strain of STm was unable to inject effectors of the type 3 secretion system into host cells due to a failure of needle assembly. STm infection stimulated host polyamine production by increasing arginase expression. The decline in polyamine levels caused by difluoromethylornithine, which inhibits host polyamine production, attenuated STm colonization, whereas polyamine supplementation augmented STm pathogenesis. Our work reveals that host polyamines are a key factor promoting STm infection, and therefore a promising therapeutic target for bacterial infection.
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Affiliation(s)
- Tsuyoshi Miki
- Department of Microbiology, School of Pharmacy, Kitasato University, Tokyo, Japan
| | - Takeshi Uemura
- Laboratory of Bio-analytical Chemistry, Faculty of Pharmaceutical Sciences, Josai University, Saitama, Japan
| | - Miki Kinoshita
- Graduate School of Frontier Biosciences, Osaka University, Suita, Japan
| | - Yuta Ami
- Faculty of Biology-Oriented Science and Technology, Kindai University, Wakayama, Japan
| | - Masahiro Ito
- Department of Microbiology, School of Pharmacy, Kitasato University, Tokyo, Japan
| | - Nobuhiko Okada
- Department of Microbiology, School of Pharmacy, Kitasato University, Tokyo, Japan
| | - Takemitsu Furuchi
- Laboratory of Bio-analytical Chemistry, Faculty of Pharmaceutical Sciences, Josai University, Saitama, Japan
| | - Shin Kurihara
- Faculty of Biology-Oriented Science and Technology, Kindai University, Wakayama, Japan
| | - Takeshi Haneda
- Department of Microbiology, School of Pharmacy, Kitasato University, Tokyo, Japan
| | - Tohru Minamino
- Graduate School of Frontier Biosciences, Osaka University, Suita, Japan
| | - Yun-Gi Kim
- Department of Microbiology, School of Pharmacy, Kitasato University, Tokyo, Japan
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Zhang R, Yang A, Fu J, Zhang L, Yin L, Xu T, Dai C, Su W, Shen W. Budesonide and N-acetylcysteine inhibit activation of the NLRP3 inflammasome by regulating miR-381 to alleviate acute lung injury caused by the pyroptosis-mediated inflammatory response. Toxicol Res (Camb) 2024; 13:tfae115. [PMID: 39100861 PMCID: PMC11295220 DOI: 10.1093/toxres/tfae115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 06/04/2024] [Accepted: 07/24/2024] [Indexed: 08/06/2024] Open
Abstract
Background The anti-inflammatory effects of budesonide (BUN) and N-acetylcysteine (NAC) attenuate acute lung injury (ALI). The aim of this study was to investigate the effects of combination therapy consisting of BUN and NAC on ALI and the underlying mechanisms. Methods In vitro and in vivo models of ALI were generated by LPS induction. Western blotting was used to detect the expression levels of pyroptosis-related proteins and inflammation-related factors, and RT-qPCR was used to detect the expression of miR-381. Cell proliferation and apoptosis were detected by CCK-8 and flow cytometry, respectively. ELISA was used to detect the levels of inflammation-related factors. HE staining was used to detect lung injury. Results The results showed that LPS effectively induced pyroptosis in cells and promoted the expression of pyroptosis-related proteins (Caspase1, Gasdermin D and NLRP3) and inflammatory cytokines (TNF-α, IL-6 and IL-1β). The combination of BUN and NAC significantly alleviated LPS-induced pyroptosis and inflammation. In addition, the combination of BUN and NAC effectively promoted miR-381 expression. Transfection of miR-381 mimics effectively alleviated LPS-induced pyroptosis and inflammation, while transfection of miR-381 inhibitors had the opposite effect. miR-381 negatively regulates NLRP3 expression. Treatment with a miR-381 inhibitor or pc-NLRP3 reversed the effects of the combination of BUN and NAC. In a mouse model of ALI, the combination of BUN and NAC effectively improved lung injury, while treatment with a miR-381 inhibitor or pc-NLRP3 effectively reversed this effect. Conclusion Overall, this study revealed that BUN + NAC inhibits the activation of NLRP3 by regulating miR-381, thereby alleviating ALI caused by pyroptosis-mediated inflammation.
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Affiliation(s)
- Rongfang Zhang
- Department of Rehabilitation Medicine, Qujing No. 1 Hospital, No. 1 Garden Road, Qilin District, Qujing, Yunnan 655000, China
| | - Aiping Yang
- Department of Rehabilitation Medicine, Qujing No. 1 Hospital, No. 1 Garden Road, Qilin District, Qujing, Yunnan 655000, China
| | - Jin Fu
- Department of Rehabilitation Medicine, Qujing No. 1 Hospital, No. 1 Garden Road, Qilin District, Qujing, Yunnan 655000, China
| | - Li Zhang
- Department of Rehabilitation Medicine, Qujing No. 1 Hospital, No. 1 Garden Road, Qilin District, Qujing, Yunnan 655000, China
| | - Liyue Yin
- Department of Rehabilitation Medicine, Qujing No. 1 Hospital, No. 1 Garden Road, Qilin District, Qujing, Yunnan 655000, China
| | - Ting Xu
- Department of Rehabilitation Medicine, Qujing No. 1 Hospital, No. 1 Garden Road, Qilin District, Qujing, Yunnan 655000, China
| | - Chunhui Dai
- Department of Rehabilitation Medicine, Qujing No. 1 Hospital, No. 1 Garden Road, Qilin District, Qujing, Yunnan 655000, China
| | - Wenbing Su
- Department of Rehabilitation Medicine, Qujing No. 1 Hospital, No. 1 Garden Road, Qilin District, Qujing, Yunnan 655000, China
| | - Wanling Shen
- Department of Rehabilitation Medicine, Qujing No. 1 Hospital, No. 1 Garden Road, Qilin District, Qujing, Yunnan 655000, China
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Hu M, Deng F, Song X, Zhao H, Yan F. The crosstalk between immune cells and tumor pyroptosis: advancing cancer immunotherapy strategies. J Exp Clin Cancer Res 2024; 43:190. [PMID: 38987821 PMCID: PMC11234789 DOI: 10.1186/s13046-024-03115-7] [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: 03/13/2024] [Accepted: 07/02/2024] [Indexed: 07/12/2024] Open
Abstract
Pyroptosis is a cell death process characterized by cell swelling until membrane rupture and release of intracellular contents. As an effective tumor treatment strategy, inducing tumor cell pyroptosis has received widespread attention. In this process, the immune components within the tumor microenvironment play a key regulatory role. By regulating and altering the functions of immune cells such as cytotoxic T lymphocytes, natural killer cells, tumor-associated macrophages, and neutrophils, tumor cell pyroptosis can be induced. This article provides a comprehensive review of the molecular mechanisms of cell pyroptosis, the impact of the tumor immune microenvironment on tumor cell pyroptosis, and its mechanisms. It aims to gain an in-depth understanding of the communication between the tumor immune microenvironment and tumor cells, and to provide theoretical support for the development of new tumor immunotherapies.
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Affiliation(s)
- Mengyuan Hu
- Department of Pathology and Pathophysiology, Faculty of Basic Medical Sciences, Kunming Medical University, Chenggong District, 1168 Chunrong West Road, Yunhua Street, Kunming, 650500, Yunnan, China
| | - Fengying Deng
- Department of Pathology and Pathophysiology, Faculty of Basic Medical Sciences, Kunming Medical University, Chenggong District, 1168 Chunrong West Road, Yunhua Street, Kunming, 650500, Yunnan, China
| | - Xinlei Song
- Department of Pathology and Pathophysiology, Faculty of Basic Medical Sciences, Kunming Medical University, Chenggong District, 1168 Chunrong West Road, Yunhua Street, Kunming, 650500, Yunnan, China
| | - Hongkun Zhao
- Key Laboratory of Yunnan Province, Yunnan Eye Institute, Affiliated Hospital of Yunnan University, Yunnan University, 176 Qingnian Road, Wuhua District, Kunming, 650031, Yunnan, China.
| | - Fei Yan
- Department of Pathology and Pathophysiology, Faculty of Basic Medical Sciences, Kunming Medical University, Chenggong District, 1168 Chunrong West Road, Yunhua Street, Kunming, 650500, Yunnan, China.
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Al Mamun A, Shao C, Geng P, Wang S, Xiao J. Pyroptosis in Diabetic Peripheral Neuropathy and its Therapeutic Regulation. J Inflamm Res 2024; 17:3839-3864. [PMID: 38895141 PMCID: PMC11185259 DOI: 10.2147/jir.s465203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Accepted: 06/05/2024] [Indexed: 06/21/2024] Open
Abstract
Pyroptosis is a pro-inflammatory form of cell death resulting from the activation of gasdermins (GSDMs) pore-forming proteins and the release of several pro-inflammatory factors. However, inflammasomes are the intracellular protein complexes that cleave gasdermin D (GSDMD), leading to the formation of robust cell membrane pores and the initiation of pyroptosis. Inflammasome activation and gasdermin-mediated membrane pore formation are the important intrinsic processes in the classical pyroptotic signaling pathway. Overactivation of the NOD-like receptor thermal protein domain associated protein 3 (NLRP3) inflammasome triggers pyroptosis and amplifies inflammation. Current evidence suggests that the overactivation of inflammasomes and pyroptosis may further induce the progression of cancers, nerve injury, inflammatory disorders and metabolic dysfunctions. Current evidence also indicates that pyroptosis-dependent cell death accelerates the progression of diabetes and its frequent consequences including diabetic peripheral neuropathy (DPN). Pyroptosis-mediated inflammatory reaction further exacerbates DPN-mediated CNS injury. Accumulating evidence shows that several molecular signaling mechanisms trigger pyroptosis in insulin-producing cells, further leading to the development of DPN. Numerous studies have suggested that certain natural compounds or drugs may possess promising pharmacological properties by modulating inflammasomes and pyroptosis, thereby offering potential preventive and practical therapeutic approaches for the treatment and management of DPN. This review elaborates on the underlying molecular mechanisms of pyroptosis and explores possible therapeutic strategies for regulating pyroptosis-regulated cell death in the pharmacological treatment of DPN.
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Affiliation(s)
- Abdullah Al Mamun
- Central Laboratory of The Lishui Hospital of Wenzhou Medical University, Lishui People’s Hospital, Lishui, Zhejiang, 323000, People’s Republic of China
- Molecular Pharmacology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325000, People’s Republic of China
| | - Chuxiao Shao
- Central Laboratory of The Lishui Hospital of Wenzhou Medical University, Lishui People’s Hospital, Lishui, Zhejiang, 323000, People’s Republic of China
| | - Peiwu Geng
- Central Laboratory of The Lishui Hospital of Wenzhou Medical University, Lishui People’s Hospital, Lishui, Zhejiang, 323000, People’s Republic of China
| | - Shuanghu Wang
- Central Laboratory of The Lishui Hospital of Wenzhou Medical University, Lishui People’s Hospital, Lishui, Zhejiang, 323000, People’s Republic of China
| | - Jian Xiao
- Central Laboratory of The Lishui Hospital of Wenzhou Medical University, Lishui People’s Hospital, Lishui, Zhejiang, 323000, People’s Republic of China
- Molecular Pharmacology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325000, People’s Republic of China
- Department of Wound Healing, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, People’s Republic of China
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22
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Liu X, Lieberman J. Inflammasome-independent pyroptosis. Curr Opin Immunol 2024; 88:102432. [PMID: 38875738 DOI: 10.1016/j.coi.2024.102432] [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: 01/08/2024] [Revised: 05/27/2024] [Accepted: 05/30/2024] [Indexed: 06/16/2024]
Abstract
Gasdermins are membrane pore-forming proteins that cause pyroptosis, an inflammatory cell death in which cells burst and release cytokines, chemokines, and other host alarm signals, such as ATP and HMGB1, which recruit and activate immune cells at sites of infection and danger. There are five gasdermins in humans - gasdermins A to E. Pyroptosis was first described in myeloid cells and mucosal epithelia, which express gasdermin D and activate it when cytosolic sensors of invasive infection or tissue damage assemble into large macromolecular structures, called inflammasomes. Inflammasomes recruit and activate inflammatory caspases (caspase 1, 4, 5, and 11), which cut gasdermin D to remove an inhibitory C-terminal domain, allowing the N-terminal domain to bind to membrane acidic lipids and oligomerize into pores. Recent studies have identified inflammasome-independent proteolytic pathways that activate gasdermin D and the other gasdermins. Here, we review inflammasome-independent pyroptosis pathways and what is known about their role in normal physiology and disease.
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Affiliation(s)
- Xing Liu
- Key Laboratory of RNA Science and Engineering, Shanghai Institute of Immunity and Infection, Chinese Academy of Sciences, Shanghai 200031, China.
| | - Judy Lieberman
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, MA 02115, USA; Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA.
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23
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Han B, Choukér A, Moser D. Differential effects of acute and chronic hydrocortisone treatment on pyroptosis. Heliyon 2024; 10:e31156. [PMID: 38784563 PMCID: PMC11112316 DOI: 10.1016/j.heliyon.2024.e31156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 05/10/2024] [Accepted: 05/10/2024] [Indexed: 05/25/2024] Open
Abstract
Pyroptosis is a programmed and inflammation-inducing cell death that occurs predominantly in macrophages. It is characterized by the inflammasome-mediated activation of caspase-1, leading to cell lysis. During pyroptosis, pro-inflammatory mediators such as IL-1β are released extracellularly to further recruit and activate other immune cells. Thus, pyroptosis plays a crucial role in the prevention of the spread of pathogens. The clinically applied synthetic glucocorticoid, hydrocortisone (HC), has strong immunoregulatory properties. It may act as an immunosuppressive agent by negatively regulating pro-inflammatory gene transcription but has also shown immune-sensitizing properties. The conditions that determine the immunosuppressive or immune-sensitizing actions of HC during an infection are not fully clear. We hypothesized that the outcome may differ depending on the onset and duration of its administration. Therefore, we investigated the impact of acute (treatment upon infection) and chronic (24 h pre-treatment before infection) HC treatment on pyroptosis induction and execution in THP-1 macrophage-like cells. The focus was on pyroptosis-associated signaling pathways, inflammasome assembly and activation, IL-1β, and cell death. Physiological HC concentration and HC deprivation were used as controls. Compared to the physiological concentration, cells displayed augmented inflammasome activation and IL-1β release following acute HC treatment. Conversely, the whole pyroptosis machinery was suppressed by chronic HC administration. These in vitro investigations demonstrate pro-inflammatory actions of acute HC exposure and the immunosuppressive effects of chronic treatment. These differential effects on pyroptosis emphasize the importance of individualized HC medication in patients upon infection, and suggest the inclusion of IL-1β as a marker for current immune capacities.
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Affiliation(s)
- Bing Han
- Laboratory of Translational Research ‘Stress and Immunity’, Department of Anesthesiology, LMU Hospital, Ludwig-Maximilians-Universität in Munich, Germany
| | - Alexander Choukér
- Laboratory of Translational Research ‘Stress and Immunity’, Department of Anesthesiology, LMU Hospital, Ludwig-Maximilians-Universität in Munich, Germany
| | - Dominique Moser
- Laboratory of Translational Research ‘Stress and Immunity’, Department of Anesthesiology, LMU Hospital, Ludwig-Maximilians-Universität in Munich, Germany
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24
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Staedtke V, Sun N, Bai R. Hypoxia-targeting bacteria in cancer therapy. Semin Cancer Biol 2024; 100:39-48. [PMID: 38554791 PMCID: PMC11344594 DOI: 10.1016/j.semcancer.2024.03.003] [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: 11/14/2023] [Revised: 03/10/2024] [Accepted: 03/20/2024] [Indexed: 04/02/2024]
Abstract
Tumor hypoxia plays a crucial role in driving cancer progression and fostering resistance to therapies by contributing significantly to chemoresistance, radioresistance, angiogenesis, invasiveness, metastasis, altered cell metabolism, and genomic instability. Despite the challenges encountered in therapeutically addressing tumor hypoxia with conventional drugs, a noteworthy alternative has emerged through the utilization of anaerobic oncolytic bacteria. These bacteria exhibit a preference for accumulating and proliferating within the hypoxic regions of tumors, where they can initiate robust antitumor effects and immune responses. Through simple genetic manipulation or sophisticated synthetic bioengineering, these bacteria can be further optimized to improve safety and antitumor activities, or they can be combined synergistically with chemotherapies, radiation, or other immunotherapies. In this review, we explore the potential benefits and challenges associated with this innovative anticancer approach, addressing issues related to clinical translation, particularly as several strains have progressed to clinical evaluation.
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Affiliation(s)
- Verena Staedtke
- Department of Neurology, Johns Hopkins University, 600 North Wolfe Street, Meyer 8-149 J, Baltimore, MD 21287, USA.
| | - Nihao Sun
- Kennedy Krieger Institute, Lab 520, 707 N Broadway, Baltimore, MD 21205, USA
| | - Renyuan Bai
- Kennedy Krieger Institute, Lab 520, 707 N Broadway, Baltimore, MD 21205, USA; Department of Neurosurgery, Johns Hopkins University, Lab 520, 707 N Broadway, Baltimore, MD 21205, USA
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25
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Deng J, Qin L, Qin S, Wu R, Huang G, Fang Y, Huang L, Zhou Z. NcRNA Regulated Pyroptosis in Liver Diseases and Traditional Chinese Medicine Intervention: A Narrative Review. J Inflamm Res 2024; 17:2073-2088. [PMID: 38585470 PMCID: PMC10999193 DOI: 10.2147/jir.s448723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Accepted: 03/19/2024] [Indexed: 04/09/2024] Open
Abstract
Pyroptosis is a novel pro-inflammatory mode of programmed cell death that differs from ferroptosis, necrosis, and apoptosis in terms of its onset and regulatory mechanisms. Pyroptosis is dependent on cysteine aspartate protein hydrolase (caspase)-mediated activation of GSDMD, NLRP3, and the release of pro-inflammatory cytokines, interleukin-1 (IL-1β), and interleukin-18 (IL-18), ultimately leading to cell death. Non-coding RNA (ncRNA) is a type of RNA that does not encode proteins in gene transcription but plays an important regulatory role in other post-transcriptional links. NcRNA mediates pyroptosis by regulating various related pyroptosis factors, which we termed the pyroptosis signaling pathway. Previous researches have manifested that pyroptosis is closely related to the development of liver diseases, and is essential for liver injury, alcoholic fatty liver disease (ALD), non-alcoholic fatty liver disease (NAFLD), liver fibrosis, and liver cancer. In this review, we attempt to address the role of the ncRNA-mediated pyroptosis pathway in the above liver diseases and their pathogenesis in recent years, and briefly outline that TCM (Traditional Chinese Medicine) intervene in liver diseases by modulating ncRNA-mediated pyroptosis, which will provide a strategy to find new therapeutic targets for the prevention and treatment of liver diseases in the future.
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Affiliation(s)
- Jiasheng Deng
- School of Pharmacy, Guangxi University of Chinese Medicine, Nanning, Guangxi, 530200, People’s Republic of China
| | - Le Qin
- Department of Pharmacy, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, 533000, People’s Republic of China
| | - Sulang Qin
- School of Graduate Studies, Youjiang Medical University for Nationalities, Baise, Guangxi, 533000, People’s Republic of China
| | - Ruisheng Wu
- School of Pharmacy, Guangxi University of Chinese Medicine, Nanning, Guangxi, 530200, People’s Republic of China
| | - Guidong Huang
- School of Pharmacy, Guangxi University of Chinese Medicine, Nanning, Guangxi, 530200, People’s Republic of China
| | - Yibin Fang
- Department of Pharmacy, Liuzhou People’s Hospital, Liuzhou, Guangxi, 545006, People’s Republic of China
| | - Lanlan Huang
- Department of Pharmacy, Liuzhou People’s Hospital, Liuzhou, Guangxi, 545006, People’s Republic of China
| | - Zhipin Zhou
- Department of Pharmacy, Liuzhou People’s Hospital, Liuzhou, Guangxi, 545006, People’s Republic of China
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26
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Homma H, Tanaka H, Fujita K, Okazawa H. Necrosis Links Neurodegeneration and Neuroinflammation in Neurodegenerative Disease. Int J Mol Sci 2024; 25:3636. [PMID: 38612448 PMCID: PMC11012149 DOI: 10.3390/ijms25073636] [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: 02/20/2024] [Revised: 03/21/2024] [Accepted: 03/23/2024] [Indexed: 04/14/2024] Open
Abstract
The mechanisms of neuronal cell death in neurodegenerative disease remain incompletely understood, although recent studies have made significant advances. Apoptosis was previously considered to be the only mechanism of neuronal cell death in neurodegenerative diseases. However, recent findings have challenged this dogma, identifying new subtypes of necrotic neuronal cell death. The present review provides an updated summary of necrosis subtypes and discusses their potential roles in neurodegenerative cell death. Among numerous necrosis subtypes, including necroptosis, paraptosis, ferroptosis, and pyroptosis, transcriptional repression-induced atypical cell death (TRIAD) has been identified as a potential mechanism of neuronal cell death. TRIAD is induced by functional deficiency of TEAD-YAP and self-amplifies via the release of HMGB1. TRIAD is a feasible potential mechanism of neuronal cell death in Alzheimer's disease and other neurodegenerative diseases. In addition to induction of cell death, HMGB1 released during TRIAD activates brain inflammatory responses, which is a potential link between neurodegeneration and neuroinflammation.
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Affiliation(s)
| | | | | | - Hitoshi Okazawa
- Department of Neuropathology, Medical Research Institute, Tokyo Medical and Dental University, 1-5-45, Yushima, Bunkyo-ku, Tokyo 113-8510, Japan
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27
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Oladapo A, Jackson T, Menolascino J, Periyasamy P. Role of pyroptosis in the pathogenesis of various neurological diseases. Brain Behav Immun 2024; 117:428-446. [PMID: 38336022 PMCID: PMC10911058 DOI: 10.1016/j.bbi.2024.02.001] [Citation(s) in RCA: 27] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 12/22/2023] [Accepted: 02/02/2024] [Indexed: 02/12/2024] Open
Abstract
Pyroptosis, an inflammatory programmed cell death process, has recently garnered significant attention due to its pivotal role in various neurological diseases. This review delves into the intricate molecular signaling pathways governing pyroptosis, encompassing both caspase-1 dependent and caspase-1 independent routes, while emphasizing the critical role played by the inflammasome machinery in initiating cell death. Notably, we explore the Nucleotide-binding domain leucine-rich repeat (NLR) containing protein family, the Absent in melanoma 2-like receptor family, and the Pyrin receptor family as essential activators of pyroptosis. Additionally, we comprehensively examine the Gasdermin family, renowned for their role as executioner proteins in pyroptosis. Central to our review is the interplay between pyroptosis and various central nervous system (CNS) cell types, including astrocytes, microglia, neurons, and the blood-brain barrier (BBB). Pyroptosis emerges as a significant factor in the pathophysiology of each cell type, highlighting its far-reaching impact on neurological diseases. This review also thoroughly addresses the involvement of pyroptosis in specific neurological conditions, such as HIV infection, drug abuse-mediated pathologies, Alzheimer's disease, and Parkinson's disease. These discussions illuminate the intricate connections between pyroptosis, chronic inflammation, and cell death in the development of these disorders. We also conducted a comparative analysis, contrasting pyroptosis with other cell death mechanisms, thereby shedding light on their unique aspects. This approach helps clarify the distinct contributions of pyroptosis to neuroinflammatory processes. In conclusion, this review offers a comprehensive exploration of the role of pyroptosis in various neurological diseases, emphasizing its multifaceted molecular mechanisms within various CNS cell types. By elucidating the link between pyroptosis and chronic inflammation in the context of neurodegenerative disorders and infections, it provides valuable insights into potential therapeutic targets for mitigating these conditions.
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Affiliation(s)
- Abiola Oladapo
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198-5880, USA
| | - Thomas Jackson
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198-5880, USA
| | - Jueliet Menolascino
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198-5880, USA
| | - Palsamy Periyasamy
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198-5880, USA.
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28
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Wang A, Wang Y, Du C, Yang H, Wang Z, Jin C, Hamblin MR. Pyroptosis and the tumor immune microenvironment: A new battlefield in ovarian cancer treatment. Biochim Biophys Acta Rev Cancer 2024; 1879:189058. [PMID: 38113952 DOI: 10.1016/j.bbcan.2023.189058] [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: 08/19/2023] [Revised: 12/06/2023] [Accepted: 12/13/2023] [Indexed: 12/21/2023]
Abstract
Ovarian cancer is a less common tumor in women compared to cervical or breast cancer, however it is more malignant and has worse outcomes. Ovarian cancer patients still have a five-year survival rate < 50% despite advances in therapy. Due to recent developments in immune checkpoint inhibitors (ICIs), cancer immunotherapy has attracted increased interest. Pyroptosis is a highly inflammatory form of cell death, which is essential for bridging innate and adaptive immunity, and is involved in immune regulation within the tumor microenvironment (TME). Recent research has shown that pyroptosis can promote immunotherapy of ovarian cancer, including treatment with chimeric antigen receptor T-cells (CAR-T) or ICIs. Moreover, inflammasomes, various signaling pathways and lncRNAs can all affect pyroptosis in ovarian cancer. Here we discuss how pyroptosis affects the development and progression of ovarian cancer as well as the TME. We also provide a summary of small molecule drugs that could target pyroptotic cell death processes and may be useful in ovarian cancer therapy.
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Affiliation(s)
- Aihong Wang
- Department of Gynecologic Oncology, South China Hospital, Health Science Center, Shenzhen University, Shenzhen 518116, PR China
| | - Yin Wang
- Department of Gynecologic Oncology, South China Hospital, Health Science Center, Shenzhen University, Shenzhen 518116, PR China
| | - Chenxiang Du
- Department of Gynecologic Oncology, South China Hospital, Health Science Center, Shenzhen University, Shenzhen 518116, PR China
| | - Huilun Yang
- Department of Gynecologic Oncology, South China Hospital, Health Science Center, Shenzhen University, Shenzhen 518116, PR China
| | - Zhengping Wang
- Department of Gynecologic Oncology, South China Hospital, Health Science Center, Shenzhen University, Shenzhen 518116, PR China
| | - Canhui Jin
- Department of Gynecologic Oncology, South China Hospital, Health Science Center, Shenzhen University, Shenzhen 518116, PR China.
| | - Michael R Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein 2028, South Africa.
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29
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Chao L, Zhang W, Feng Y, Gao P, Ma J. Pyroptosis: a new insight into intestinal inflammation and cancer. Front Immunol 2024; 15:1364911. [PMID: 38455052 PMCID: PMC10917886 DOI: 10.3389/fimmu.2024.1364911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Accepted: 02/09/2024] [Indexed: 03/09/2024] Open
Abstract
Pyroptosis is an innate immune response triggered by the activation of inflammasomes by various influencing factors, characterized by cell destruction. It impacts the immune system and cancer immunotherapy. In recent years, the roles of pyroptosis and inflammasomes in intestinal inflammation and cancer have been continuously confirmed. This article reviews the latest progress in pyroptosis mechanisms, new discoveries of inflammasomes, mutual regulation between inflammasomes, and their applications in intestinal diseases. Additionally, potential synergistic treatment mechanisms of intestinal diseases with pyroptosis are summarized, and challenges and future directions are discussed, providing new ideas for pyroptosis therapy.
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Affiliation(s)
| | | | | | | | - Jinyou Ma
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, China
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30
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Cui JZ, Chew ZH, Lim LHK. New insights into nucleic acid sensor AIM2: The potential benefit in targeted therapy for cancer. Pharmacol Res 2024; 200:107079. [PMID: 38272334 DOI: 10.1016/j.phrs.2024.107079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 01/17/2024] [Accepted: 01/19/2024] [Indexed: 01/27/2024]
Abstract
The AIM2 inflammasome represents a multifaceted oligomeric protein complex within the innate immune system, with the capacity to perceive double-stranded DNA (dsDNA) and engage in diverse physiological reactions and disease contexts, including cancer. While originally conceived as a discerning DNA sensor, AIM2 has demonstrated its capability to discern various nucleic acid variations, encompassing RNA and DNA-RNA hybrids. Through its interaction with nucleic acids, AIM2 orchestrates the assembly of a complex involving multiple proteins, aptly named the AIM2 inflammasome, which facilitates the enzymatic cleavage of proinflammatory cytokines, namely pro-IL-1β and pro-IL-18. This process, in turn, underpins its pivotal biological role. In this review, we provide a systematic summary and discussion of the latest advancements in AIM2 sensing various types of nucleic acids. Additionally, we discuss the modulation of AIM2 activation, which can cause cell death, including pyroptosis, apoptosis, and autophagic cell death. Finally, we fully illustrate the evidence for the dual role of AIM2 in different cancer types, including both anti-tumorigenic and pro-tumorigenic functions. Considering the above information, we uncover the therapeutic promise of modulating the AIM2 inflammasome in cancer treatment.
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Affiliation(s)
- Jian-Zhou Cui
- Translational Immunology Program, Yong Loo Lin School of Medicine, National University of Singapore, Singapore; NUS Immunology Program, Life Sciences Institute, National University of Singapore, Singapore; NUS-Cambridge Immunophenotyping Centre, Life Science Institute, National University of Singapore, Singapore.
| | - Zhi Huan Chew
- Translational Immunology Program, Yong Loo Lin School of Medicine, National University of Singapore, Singapore; NUS Immunology Program, Life Sciences Institute, National University of Singapore, Singapore; NUS Graduate School for Integrative Sciences and Engineering, National University of Singapore, Singapore; Department of Microbiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Lina H K Lim
- Translational Immunology Program, Yong Loo Lin School of Medicine, National University of Singapore, Singapore; NUS Immunology Program, Life Sciences Institute, National University of Singapore, Singapore; NUS Graduate School for Integrative Sciences and Engineering, National University of Singapore, Singapore; Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore.
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31
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Liang X, Qin Y, Wu D, Wang Q, Wu H. Pyroptosis: a double-edged sword in lung cancer and other respiratory diseases. Cell Commun Signal 2024; 22:40. [PMID: 38225586 PMCID: PMC10790448 DOI: 10.1186/s12964-023-01458-w] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Accepted: 12/23/2023] [Indexed: 01/17/2024] Open
Abstract
Pyroptosis is an active cell death process mediated by gasdermin family proteins including Gasdermin A (GSDMA), Gasdermin B (GSDMB), Gasdermin C (GSDMC), Gasdermin D (GSDMD), Gasdermin E (GSDME, DFNA5), and DFNB59. Emerging evidences have shown that pyroptosis contributes to many pulmonary diseases, especially lung cancer, and pneumonia. The exact roles of pyroptosis and gasdermin family proteins are tremendously intricate. Besides, there are evidences that pyroptosis contributes to these respiratory diseases. However, it often plays a dual role in these diseases which is a cause for concern and makes it difficult for clinical translation. This review will focus on the multifaceted roles of pyroptosis in respiratory diseases.
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Affiliation(s)
- Xiao Liang
- Department of Oncology, the Affiliated Jiangyin Hospital of Nantong University, 163# Shoushan Road, Jiangyin, Jiangsu, 214400, P. R. China
| | - Ya Qin
- Department of Oncology, the Affiliated Jiangyin Hospital of Nantong University, 163# Shoushan Road, Jiangyin, Jiangsu, 214400, P. R. China
| | - Dan Wu
- Department of Oncology, the Affiliated Jiangyin Hospital of Nantong University, 163# Shoushan Road, Jiangyin, Jiangsu, 214400, P. R. China
| | - Qiong Wang
- Department of Oncology, the Affiliated Jiangyin Hospital of Nantong University, 163# Shoushan Road, Jiangyin, Jiangsu, 214400, P. R. China.
| | - Hongshuai Wu
- Wuxi Key Laboratory of Biomaterials for Clinical Application, Department of Central Laboratory, the Affiliated Jiangyin Hospital of Nantong University, 163# Shoushan Road, Jiangyin, Jiangsu, 214400, P. R. China.
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32
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Zhang Y, Xu M, Guo Y, Chen L, Vongsangnak W, Xu Q, Lu L. Programmed cell death and Salmonella pathogenesis: an interactive overview. Front Microbiol 2024; 14:1333500. [PMID: 38249488 PMCID: PMC10797706 DOI: 10.3389/fmicb.2023.1333500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 12/12/2023] [Indexed: 01/23/2024] Open
Abstract
Programmed cell death (PCD) is the collective term for the intrinsically regulated death of cells. Various types of cell death are triggered by their own programmed regulation during the growth and development of organisms, as well as in response to environmental and disease stresses. PCD encompasses apoptosis, pyroptosis, necroptosis, autophagy, and other forms. PCD plays a crucial role not only in the growth and development of organisms but also in serving as a component of the host innate immune defense and as a bacterial virulence strategy employed by pathogens during invasion. The zoonotic pathogen Salmonella has the ability to modulate multiple forms of PCD, including apoptosis, pyroptosis, necroptosis, and autophagy, within the host organism. This modulation subsequently impacts the bacterial infection process. This review aims to consolidate recent findings regarding the mechanisms by which Salmonella initiates and controls cell death signaling, the ways in which various forms of cell death can impede or restrict bacterial proliferation, and the interplay between cell death and innate immune pathways that can counteract Salmonella-induced suppression of host cell death. Ultimately, these insights may contribute novel perspectives for the diagnosis and treatment of clinical Salmonella-related diseases.
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Affiliation(s)
- Yu Zhang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang, China
- College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu, China
| | - Maodou Xu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu, China
| | - Yujiao Guo
- College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu, China
| | - Li Chen
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang, China
| | - Wanwipa Vongsangnak
- Department of Zoology, Faculty of Science, Kasetsart University, Bangkok, Thailand
| | - Qi Xu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu, China
| | - Lizhi Lu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang, China
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33
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Xiao C, Cao S, Li Y, Luo Y, Liu J, Chen Y, Bai Q, Chen L. Pyroptosis in microbial infectious diseases. Mol Biol Rep 2023; 51:42. [PMID: 38158461 DOI: 10.1007/s11033-023-09078-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 10/30/2023] [Indexed: 01/03/2024]
Abstract
Pyroptosis is a gasdermins-mediated programmed cell death that plays an essential role in immune regulation, and its role in autoimmune disease and cancer has been studied extensively. Increasing evidence shows that various microbial infections can lead to pyroptosis, associated with the occurrence and development of microbial infectious diseases. This study reviews the recent advances in pyroptosis in microbial infection, including bacterial, viral, and fungal infections. We also explore potential therapeutic strategies for treating microbial infection-related diseases by targeting pyroptosis.
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Affiliation(s)
- Cui Xiao
- Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China
| | - Saihong Cao
- Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China
- Yiyang Medical College, School of Public Health and Laboratory Medicine, Yiyang, Hunan, 421000, China
| | - Yunfei Li
- Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China
| | - Yuchen Luo
- Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China
| | - Jian Liu
- Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China
| | - Yuyu Chen
- The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University Infection-Associated Hemophagocytic Syndrome, Changsha, Hunan, 421000, China
| | - Qinqin Bai
- Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
| | - Lili Chen
- Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
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34
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Songür HS, Kaya SA, Altınışık YC, Abanoz R, Özçelebi E, Özmen F, Kösemehmetoğlu K, Soydan G. Alamandine treatment prevents LPS-induced acute renal and systemic dysfunction with multi-organ injury in rats via inhibiting iNOS expression. Eur J Pharmacol 2023; 960:176160. [PMID: 37923157 DOI: 10.1016/j.ejphar.2023.176160] [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: 07/16/2023] [Revised: 10/19/2023] [Accepted: 10/24/2023] [Indexed: 11/07/2023]
Abstract
Sepsis is defined as the dysregulated immune response leading to multi-organ dysfunction and injury. Sepsis-induced acute kidney injury is a significant contributor to morbidity and mortality. Alamandine (ALA) is a novel endogenous peptide of the renin-angiotensin-aldosterone system. It is known for its anti-inflammatory and anti-apoptotic effects, but its functional and vascular effects on sepsis remain unclear. We aimed to investigate the effects of ALA, as a pre- and post-treatment agent, on lipopolysaccharide (LPS)-induced systemic and renal dysfunction and injury in the LPS-induced endotoxemia model in rats via functional, hemodynamic, vascular, molecular, biochemical, and histopathological evaluation. 10 mg/kg intraperitoneal LPS injection caused both hepatic and renal injury, decreased blood flow in several organs, and renal dysfunction at 20 h in Sprague-Dawley rats. Our results showed that ALA treatment ameliorated systemic and renal inflammation, reduced inflammatory cytokines, prevented the enhancement of the mortality rate, reversed vascular dysfunction, corrected decreased blood flows in several organs, and reduced renal and hepatic injury via inhibiting iNOS (inducible nitric oxide synthase) and caspase expressions in the kidney. In addition, expressions of different ALA-related receptors showed alterations in this model, and ALA treatment reversed these alterations. These data suggest that ALA's systemic and renal protective effects are achieved through its anti-inflammatory, anti-pyroptotic, and anti-apoptotic effects on hemodynamic and vascular functions via reduced iNOS expression.
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Affiliation(s)
- H Saltuk Songür
- Department of Medical Pharmacology, Hacettepe University, Ankara, Turkey
| | - Sinan Alperen Kaya
- Department of Medical Pharmacology, Hacettepe University, Ankara, Turkey
| | | | - Rukiye Abanoz
- Department of Basic Oncology, Cancer Institute, Hacettepe University, Ankara, Turkey
| | - Esin Özçelebi
- Department of Medical Pharmacology, Hacettepe University, Ankara, Turkey
| | - Füsun Özmen
- Department of Basic Oncology, Cancer Institute, Hacettepe University, Ankara, Turkey
| | | | - Güray Soydan
- Department of Medical Pharmacology, Hacettepe University, Ankara, Turkey.
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Wang J, Wang X, Zhang M, Lang Y, Chen B, Ye Y, Bai Y, Ding S. The activation of spliced X-box binding protein 1 by isorhynchophylline therapy improves diabetic encephalopathy. Cell Biol Toxicol 2023; 39:2587-2613. [PMID: 36695953 DOI: 10.1007/s10565-022-09789-z] [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: 07/26/2022] [Accepted: 12/20/2022] [Indexed: 01/26/2023]
Abstract
The primary symptom of diabetic encephalopathy (DE), a kind of central diabetic neuropathy caused by diabetes mellitus (DM), is cognitive impairment. In addition, the tetracyclic oxindole alkaloid isorhynchophylline (IRN) helps lessen cognitive impairment. However, it is still unclear how IRN affects DM and DE and what mechanisms are involved. The effectiveness of IRN on brain insulin resistance was carefully examined in this work, both in vitro and in vivo. We found that IRN accelerates spliced form of X-box binding protein 1 (sXBP1) translocation into the nucleus under high glucose conditions in vitro. IRN also facilitates the nuclear association of pCREB with sXBP1 and the binding of regulatory subunits of phosphatidylinositol 3-kinase (PI3K) p85α or p85β with XBP1 to restore high glucose impairment. Also, IRN treatment improves high glucose-mediated impairment of insulin signaling, endoplasmic reticulum stress, and pyroptosis/apoptosis by depending on sXBP1 in vitro. In vivo studies suggested that IRN attenuates cognitive impairment, ameliorating peripheral insulin resistance, activating insulin signaling, inactivating activating transcription factor 6 (ATF6) and C/EBP homology protein (CHOP), and mitigating pyroptosis/apoptosis by stimulation of sXBP1 nuclear translocation in the brain. In summary, these data indicate that IRN contributes to maintaining insulin homeostasis by activating sXBP1 in the brain. Thus, IRN is a potent antidiabetic agent as well as an sXBP1 activator that has promising potential for the prevention or treatment of DE.
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Affiliation(s)
- Jian Wang
- Department of Laboratory Animal Science, Fudan University, Shanghai, 200032, China
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, China
- Huangshi Love & Health Hospital, Hubei Polytechnic University, Huangshi, 435000, China
| | - Xuebao Wang
- Department of Laboratory Animal Science, Fudan University, Shanghai, 200032, China
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
| | - Minxue Zhang
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Yan Lang
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Baihui Chen
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Yiru Ye
- School of Information and Engineering, Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China
| | - Yongheng Bai
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Saidan Ding
- Department of Laboratory Animal Science, Fudan University, Shanghai, 200032, China.
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, China.
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Wang RH, Shang BB, Wu SX, Wang L, Sui SG. Recent updates on pyroptosis in tumors of the digestive tract. J Dig Dis 2023; 24:640-647. [PMID: 38059890 DOI: 10.1111/1751-2980.13244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 11/27/2023] [Accepted: 12/06/2023] [Indexed: 12/08/2023]
Abstract
Pyroptosis is an inflammasome-dependent form of programmed cell death that is mediated by caspases-1, -4, -5, and -11, and the gasdermin protein family. It is characterized by the rupture of cell membrane and the subsequent release of cell contents and interleukins, leading to inflammatory reaction and activation of the immune system. Recent studies have suggested that pyroptosis plays a role in the development of gastrointestinal tumors, impeding tumor generation and progression as well as providing a favorable microenvironment for tumor growth. In this review we outlined the current knowledge regarding the implications of pyroptosis in gastrointestinal cancers.
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Affiliation(s)
- Ruo Han Wang
- Emergency Department, The Second Affiliated Hospital of Dalian Medical University, Dalian, Liaoning Province, China
| | - Bing Bing Shang
- Emergency Department, The Second Affiliated Hospital of Dalian Medical University, Dalian, Liaoning Province, China
| | - Shi Xi Wu
- Department of General Surgery, The Second Affiliated Hospital of Dalian Medical University, Dalian, Liaoning Province, China
| | - Liang Wang
- Research and Teaching Department of Comparative Medicine, Dalian Medical University, Dalian, Liaoning Province, China
| | - Shao Guang Sui
- Emergency Department, The Second Affiliated Hospital of Dalian Medical University, Dalian, Liaoning Province, China
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You HM, Wang L, Meng HW, Huang C, Fang GY, Li J. Pyroptosis: shedding light on the mechanisms and links with cancers. Front Immunol 2023; 14:1290885. [PMID: 38016064 PMCID: PMC10651733 DOI: 10.3389/fimmu.2023.1290885] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 10/20/2023] [Indexed: 11/30/2023] Open
Abstract
Pyroptosis, a novel form of programmed cell death (PCD) discovered after apoptosis and necrosis, is characterized by cell swelling, cytomembrane perforation and lysis, chromatin DNA fragmentation, and the release of intracellular proinflammatory contents, such as Interleukin (IL) 8, IL-1β, ATP, IL-1α, and high mobility group box 1 (HMGB1). Our understanding of pyroptosis has increased over time with an increase in research on the subject: gasdermin-mediated lytic PCD usually, but not always, requires cleavage by caspases. Moreover, new evidence suggests that pyroptosis induction in tumor cells results in a strong inflammatory response and significant cancer regression, which has stimulated great interest among scientists for its potential application in clinical cancer therapy. It's worth noting that the side effects of chemotherapy and radiotherapy can be triggered by pyroptosis. Thus, the intelligent use of pyroptosis, the double-edged sword for tumors, will enable us to understand the genesis and development of cancers and provide potential methods to develop novel anticancer drugs based on pyroptosis. Hence, in this review, we systematically summarize the molecular mechanisms of pyroptosis and provide the latest available evidence supporting the antitumor properties of pyroptosis, and provide a summary of the various antitumor medicines targeting pyroptosis signaling pathways.
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Affiliation(s)
- Hong-mei You
- Department of Pharmacy, Hangzhou Women’s Hospital, Hangzhou, China
| | - Ling Wang
- Department of Pharmacy, Shangyu People’s Hospital of Shaoxing, Shaoxing, China
| | - Hong-wu Meng
- Department of Pharmacy, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Cheng Huang
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
| | - Guo-ying Fang
- Department of Pharmacy, Hangzhou Women’s Hospital, Hangzhou, China
| | - Jun Li
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
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Chen Y, Zhang Y, Ge Y, Ren H. Integrated single-cell and bulk RNA sequencing analysis identified pyroptosis-related signature for diagnosis and prognosis in osteoarthritis. Sci Rep 2023; 13:17757. [PMID: 37853066 PMCID: PMC10584952 DOI: 10.1038/s41598-023-44724-0] [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: 05/10/2023] [Accepted: 10/11/2023] [Indexed: 10/20/2023] Open
Abstract
Osteoarthritis (OA), a degenerative disease of the joints, has one of the highest disability rates worldwide. This study investigates the role of pyroptosis-related genes in osteoarthritis and their expression in different chondrocyte subtypes at the individual cell level. Using OA-related datasets for single-cell RNA sequencing and RNA-seq, the study identified PRDEGs and DEGs and conducted Cox regression analysis to identify independent prognostic factors for OA. CASP6, NOD1, and PYCARD were found to be prognostic factors. Combined Weighted Gene Correlation Network Analysis with PPI network, a total of 15 hub genes related to pyroptosis were involved in the notch and oxidative phosphorylation pathways, which could serve as biomarkers for the diagnosis and prognosis of OA patients. The study also explored the heterogeneity of chondrocytes between OA and normal samples, identifying 19 single-cell subpopulation marker genes that were significantly different among 7 chondrocyte cell clusters. AGT, CTSD, CYBC, and THYS1 were expressed differentially among different cell subpopulations, which were associated with cartilage development and metabolism. These findings provide valuable insights into the molecular mechanisms underlying OA and could facilitate the development of new therapeutic strategies for this debilitating disease.
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Affiliation(s)
- Yanzhong Chen
- School of Sport Science, Beijing Sport University, Beijing, 100084, China
- Key Laboratory of Physical Fitness and Exercise, Ministry of Education, Beijing Sport University, Beijing, 10084, China
| | - Yaonan Zhang
- School of Sport Science, Beijing Sport University, Beijing, 100084, China
- Key Laboratory of Physical Fitness and Exercise, Ministry of Education, Beijing Sport University, Beijing, 10084, China
- Department of Orthopedics, Beijing Hospital, Beijing, 10000, China
| | - Yongwei Ge
- School of Sport Science, Beijing Sport University, Beijing, 100084, China
- Key Laboratory of Physical Fitness and Exercise, Ministry of Education, Beijing Sport University, Beijing, 10084, China
| | - Hong Ren
- School of Sport Science, Beijing Sport University, Beijing, 100084, China.
- Key Laboratory of Physical Fitness and Exercise, Ministry of Education, Beijing Sport University, Beijing, 10084, China.
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Gupta J, Ahmed AT, Tayyib NA, Zabibah RS, Shomurodov Q, Kadheim MN, Alsaikhan F, Ramaiah P, Chinnasamy L, Samarghandian S. A state-of-art of underlying molecular mechanisms and pharmacological interventions/nanotherapeutics for cisplatin resistance in gastric cancer. Biomed Pharmacother 2023; 166:115337. [PMID: 37659203 DOI: 10.1016/j.biopha.2023.115337] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 08/11/2023] [Accepted: 08/14/2023] [Indexed: 09/04/2023] Open
Abstract
The fourth common reason of death among patients is gastric cancer (GC) and it is a dominant tumor type in Ease Asia. One of the problems in GC therapy is chemoresistance. Cisplatin (CP) is a platinum compound that causes DNA damage in reducing tumor progression and viability of cancer cells. However, due to hyperactivation of drug efflux pumps, dysregulation of genes and interactions in tumor microenvironment, tumor cells can develop resistance to CP chemotherapy. The current review focuses on the CP resistance emergence in GC cells with emphasizing on molecular pathways, pharmacological compounds for reversing chemoresistance and the role of nanostructures. Changes in cell death mechanisms such as upregulation of pro-survival autophagy can prevent CP-mediated apoptosis that results in drug resistance. Moreover, increase in metastasis via EMT induction induces CP resistance. Dysregulation of molecular pathways such as PTEN, PI3K/Akt, Nrf2 and others result in changes in CP response of GC cells. Non-coding RNAs determine CP response of GC cells and application of pharmacological compounds with activity distinct of CP can result in sensitivity in tumor cells. Due to efficacy of exosomes in transferring bioactive molecules such as RNA and DNA molecules among GC cells, exosomes can also result in CP resistance. One of the newest progresses in overcoming CP resistance in GC is application of nanoplatforms for delivery of CP in GC therapy that they can increase accumulation of CP at tumor site and by suppressing carcinogenic factors and overcoming biological barriers, they increase CP toxicity on cancer cells.
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Affiliation(s)
- Jitendra Gupta
- Institute of Pharmaceutical Research, GLA University, Mathura 281406, U.P., India
| | | | - Nahla A Tayyib
- Faculty of Nursing, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Rahman S Zabibah
- Medical Laboratory Technology Department, College of Medical Technology, The Islamic University, Najaf, Iraq
| | - Qakhramon Shomurodov
- Department of Maxillofacial Surgery, Tashkent State Dental Institute, Tashkent, Uzbekistan; Department of Scientific Affairs, Samarkand State Medical University, Samarkand, Uzbekistan
| | - Mostafai N Kadheim
- Department of Dentistry, Kut University College, Kut, Wasit 52001, Iraq; Medical Laboratory Techniques Department, Al-Farahidi University, Baghdad 10022 Iraq
| | - Fahad Alsaikhan
- College of Pharmacy, Prince Sattam Bin Abdulaziz University, Alkharj, Saudi Arabia.
| | | | | | - Saeed Samarghandian
- Healthy Ageing Research Centre, Neyshabur University of Medical Sciences, Neyshabur, the Islamic Republic of Iran.
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Wang J, Hua S, Bao H, Yuan J, Zhao Y, Chen S. Pyroptosis and inflammasomes in cancer and inflammation. MedComm (Beijing) 2023; 4:e374. [PMID: 37752941 PMCID: PMC10518439 DOI: 10.1002/mco2.374] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 08/20/2023] [Accepted: 08/22/2023] [Indexed: 09/28/2023] Open
Abstract
Nonprogrammed cell death (NPCD) and programmed cell death (PCD) are two types of cell death. Cell death is significantly linked to tumor development, medication resistance, cancer recurrence, and metastatic dissemination. Therefore, a comprehensive understanding of cell death is essential for the treatment of cancer. Pyroptosis is a kind of PCD distinct from autophagy and apoptosis in terms of the structure and function of cells. The defining features of pyroptosis include the release of an inflammatory cascade reaction and the expulsion of lysosomes, inflammatory mediators, and other cellular substances from within the cell. Additionally, it displays variations in osmotic pressure both within and outside the cell. Pyroptosis, as evidenced by a growing body of research, is critical for controlling the development of inflammatory diseases and cancer. In this paper, we reviewed the current level of knowledge on the mechanism of pyroptosis and inflammasomes and their connection to cancer and inflammatory diseases. This article presents a theoretical framework for investigating the potential of therapeutic targets in cancer and inflammatory diseases, overcoming medication resistance, establishing nanomedicines associated with pyroptosis, and developing risk prediction models in refractory cancer. Given the link between pyroptosis and the emergence of cancer and inflammatory diseases, pyroptosis-targeted treatments may be a cutting-edge treatment strategy.
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Affiliation(s)
- Jie‐Lin Wang
- Department of Obstetrics and GynecologyGuangzhou Key Laboratory of Targeted Therapy for Gynecologic OncologyGuangdong Provincial Key Laboratory of Major Obstetric DiseasesThe Third Affiliated Hospital of Guangzhou Medical UniversityGuangzhouChina
- Department of Gynecologic Oncology Research OfficeGuangzhou Key Laboratory of Targeted Therapy for Gynecologic OncologyGuangdong Provincial Key Laboratory of Major Obstetric DiseasesThe Third Affiliated Hospital of Guangzhou Medical UniversityGuangzhouChina
| | - Sheng‐Ni Hua
- Department of Radiation OncologyZhuhai Peoples HospitalZhuhai Hospital Affiliated with Jinan UniversityZhuhaiChina
| | - Hai‐Juan Bao
- Department of Obstetrics and GynecologyGuangzhou Key Laboratory of Targeted Therapy for Gynecologic OncologyGuangdong Provincial Key Laboratory of Major Obstetric DiseasesThe Third Affiliated Hospital of Guangzhou Medical UniversityGuangzhouChina
- Department of Gynecologic Oncology Research OfficeGuangzhou Key Laboratory of Targeted Therapy for Gynecologic OncologyGuangdong Provincial Key Laboratory of Major Obstetric DiseasesThe Third Affiliated Hospital of Guangzhou Medical UniversityGuangzhouChina
| | - Jing Yuan
- Department of Obstetrics and GynecologyGuangzhou Key Laboratory of Targeted Therapy for Gynecologic OncologyGuangdong Provincial Key Laboratory of Major Obstetric DiseasesThe Third Affiliated Hospital of Guangzhou Medical UniversityGuangzhouChina
- Department of Gynecologic Oncology Research OfficeGuangzhou Key Laboratory of Targeted Therapy for Gynecologic OncologyGuangdong Provincial Key Laboratory of Major Obstetric DiseasesThe Third Affiliated Hospital of Guangzhou Medical UniversityGuangzhouChina
| | - Yang Zhao
- Department of Obstetrics and GynecologyGuangzhou Key Laboratory of Targeted Therapy for Gynecologic OncologyGuangdong Provincial Key Laboratory of Major Obstetric DiseasesThe Third Affiliated Hospital of Guangzhou Medical UniversityGuangzhouChina
- Department of Gynecologic Oncology Research OfficeGuangzhou Key Laboratory of Targeted Therapy for Gynecologic OncologyGuangdong Provincial Key Laboratory of Major Obstetric DiseasesThe Third Affiliated Hospital of Guangzhou Medical UniversityGuangzhouChina
| | - Shuo Chen
- Department of Obstetrics and GynecologyGuangzhou Key Laboratory of Targeted Therapy for Gynecologic OncologyGuangdong Provincial Key Laboratory of Major Obstetric DiseasesThe Third Affiliated Hospital of Guangzhou Medical UniversityGuangzhouChina
- Department of Gynecologic Oncology Research OfficeGuangzhou Key Laboratory of Targeted Therapy for Gynecologic OncologyGuangdong Provincial Key Laboratory of Major Obstetric DiseasesThe Third Affiliated Hospital of Guangzhou Medical UniversityGuangzhouChina
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Slaufova M, Karakaya T, Di Filippo M, Hennig P, Beer HD. The gasdermins: a pore-forming protein family expressed in the epidermis. Front Immunol 2023; 14:1254150. [PMID: 37771587 PMCID: PMC10523161 DOI: 10.3389/fimmu.2023.1254150] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 08/24/2023] [Indexed: 09/30/2023] Open
Abstract
Gasdermins comprise a family of pore-forming proteins, which play critical roles in (auto)inflammatory diseases and cancer. They are expressed as self-inhibited precursor proteins consisting of an aminoterminal cytotoxic effector domain (NT-GSDM) and a carboxyterminal inhibitor domain (GSDM-CT) separated by an unstructured linker region. Proteolytic processing in the linker region liberates NT-GSDM, which translocates to membranes, forms oligomers, and induces membrane permeabilization, which can disturb the cellular equilibrium that can lead to cell death. Gasdermin activation and pore formation are associated with inflammation, particularly when induced by the inflammatory protease caspase-1 upon inflammasome activation. These gasdermin pores allow the release of the pro-inflammatory cytokines interleukin(IL)-1β and IL-18 and induce a lytic type of cell death, termed pyroptosis that supports inflammation, immunity, and tissue repair. However, even at the cellular level, the consequences of gasdermin activation are diverse and range from induction of programmed cell death - pyroptosis or apoptosis - to poorly characterized protective mechanisms. The specific effects of gasdermin activation can vary between species, cell types, the membrane that is being permeabilized (plasma membrane, mitochondrial membrane, etc.), and the overall biological state of the local tissue/cells. In epithelia, gasdermins seem to play crucial roles. Keratinocytes represent the main cell type of the epidermis, which is the outermost skin layer with an essential barrier function. Compared to other tissues, keratinocytes express all members of the gasdermin family, in part in a differentiation-specific manner. That raises questions regarding the specific roles of individual GSDM family members in the skin, the mechanisms and consequences of their activation, and the potential crosstalk between them. In this review, we summarize the current knowledge about gasdermins with a focus on keratinocytes and the skin and discuss the possible roles of the different family members in immunity and disease.
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Affiliation(s)
- Marta Slaufova
- Department of Dermatology, University Hospital Zurich, Zurich, Switzerland
| | - Tugay Karakaya
- Department of Dermatology, University Hospital Zurich, Zurich, Switzerland
| | - Michela Di Filippo
- Department of Dermatology, University Hospital Zurich, Zurich, Switzerland
| | - Paulina Hennig
- Department of Dermatology, University Hospital Zurich, Zurich, Switzerland
| | - Hans-Dietmar Beer
- Department of Dermatology, University Hospital Zurich, Zurich, Switzerland
- Faculty of Medicine, University of Zurich, Zurich, Switzerland
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Liu C, Dai S, Geng H, Jiang Z, Teng X, Liu K, Tuo Z, Peng L, Yang C, Bi L. Development and validation of a kidney renal clear cell carcinoma prognostic model relying on pyroptosis-related LncRNAs-A multidimensional comprehensive bioinformatics exploration. Eur J Med Res 2023; 28:341. [PMID: 37700389 PMCID: PMC10498568 DOI: 10.1186/s40001-023-01277-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Accepted: 08/08/2023] [Indexed: 09/14/2023] Open
Abstract
BACKGROUND Renal cell carcinoma (RCC) is a malignant tumour that may develop in the kidney. RCC is one of the most common kinds of tumours of this sort, and its most common pathological subtype is kidney renal clear cell carcinoma (KIRC). However, the aetiology and pathogenesis of RCC still need to be clarified. Exploring the internal mechanism of RCC contributes to diagnosing and treating this disease. Pyroptosis is a critical process related to cell death. Recent research has shown that pyroptosis is a critical factor in the initiation and progression of tumour formation. Thus far, researchers have progressively uncovered evidence of the regulatory influence that long noncoding RNAs (lncRNAs) have on pyroptosis. METHODS In this work, a comprehensive bioinformatics approach was used to produce a predictive model according to pyroptosis-interrelated lncRNAs for the purpose of predicting the overall survival and molecular immune specialties of patients diagnosed with KIRC. This model was verified from multiple perspectives. RESULTS First, we discovered pyroptosis-associated lncRNAs in KIRC patients using the TCGA database and a Sankey diagram. Then, we developed and validated a KIRC patient risk model based on pyroptosis-related lncRNAs. We demonstrated the grouping power of PLnRM through PCA and used PLnRM to assess the tumour immune microenvironment and response to immunotherapy. Immunological and molecular traits of diverse PLnRM subgroups were evaluated, as were clinical KIRC patient characteristics and predictive risk models. On this basis, a predictive nomogram was developed and analyzed, and novel PLnRM candidate compounds were identified. Finally, we investigated possible medications used by KIRC patients. CONCLUSIONS The results demonstrate that the model generated has significant value for KIRC in clinical practice.
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Affiliation(s)
- Chang Liu
- Department of Urology, The Second Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Shuxin Dai
- Department of Urology, The Second Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Hao Geng
- Department of Urology, The Second Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Zhiwei Jiang
- Department of Urology, The Second Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Xiangyu Teng
- Department of Urology, The Second Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Kun Liu
- Department of Urology, The Second Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Zhouting Tuo
- Department of Urology, The Second Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Longfei Peng
- Department of Urology, The Second Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Chao Yang
- Department of Urology, The Second Hospital of Anhui Medical University, Hefei, Anhui, China.
| | - Liangkuan Bi
- Department of Urology, The Second Hospital of Anhui Medical University, Hefei, Anhui, China.
- Department of Urology, Peking University Shenzhen Hospital, Shenzhen, China.
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Yarovinsky TO, Su M, Chen C, Xiang Y, Tang WH, Hwa J. Pyroptosis in cardiovascular diseases: Pumping gasdermin on the fire. Semin Immunol 2023; 69:101809. [PMID: 37478801 PMCID: PMC10528349 DOI: 10.1016/j.smim.2023.101809] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 06/13/2023] [Accepted: 07/12/2023] [Indexed: 07/23/2023]
Abstract
Pyroptosis is a form of programmed cell death associated with activation of inflammasomes and inflammatory caspases, proteolytic cleavage of gasdermin proteins (forming pores in the plasma membrane), and selective release of proinflammatory mediators. Induction of pyroptosis results in amplification of inflammation, contributing to the pathogenesis of chronic cardiovascular diseases such as atherosclerosis and diabetic cardiomyopathy, and acute cardiovascular events, such as thrombosis and myocardial infarction. While engagement of pyroptosis during sepsis-induced cardiomyopathy and septic shock is expected and well documented, we are just beginning to understand pyroptosis involvement in the pathogenesis of cardiovascular diseases with less defined inflammatory components, such as atrial fibrillation. Due to the danger that pyroptosis represents to cells within the cardiovascular system and the whole organism, multiple levels of pyroptosis regulation have evolved. Those include regulation of inflammasome priming, post-translational modifications of gasdermins, and cellular mechanisms for pore removal. While pyroptosis in macrophages is well characterized as a dramatic pro-inflammatory process, pyroptosis in other cell types within the cardiovascular system displays variable pathways and consequences. Furthermore, different cells and organs engage in local and distant crosstalk and exchange of pyroptosis triggers (oxidized mitochondrial DNA), mediators (IL-1β, S100A8/A9) and antagonists (IL-9). Development of genetic tools, such as Gasdermin D knockout animals, and small molecule inhibitors of pyroptosis will not only help us fully understand the role of pyroptosis in cardiovascular diseases but may result in novel therapeutic approaches inhibiting inflammation and progression of chronic cardiovascular diseases to reduce morbidity and mortality from acute cardiovascular events.
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Affiliation(s)
- Timur O Yarovinsky
- Yale Cardiovascular Research Center, Department of Internal Medicine, Yale School of Medicine, New Haven, CT, USA
| | - Meiling Su
- Institute of Pediatrics, Guangzhou Women and Children's Medical Centre, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou Medical University, Guangzhou, China
| | - Chaofei Chen
- Institute of Pediatrics, Guangzhou Women and Children's Medical Centre, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou Medical University, Guangzhou, China
| | - Yaozu Xiang
- Shanghai East Hospital, Key Laboratory of Arrhythmias of the Ministry of Education of China, School of Life Sciences and Technology, Tongji University, Shanghai, China
| | - Wai Ho Tang
- Institute of Pediatrics, Guangzhou Women and Children's Medical Centre, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou Medical University, Guangzhou, China; School of Nursing and Health Studies, Hong Kong Metropolitan University, Kowloon, the Hong Kong Special Administrative Region of China
| | - John Hwa
- Yale Cardiovascular Research Center, Department of Internal Medicine, Yale School of Medicine, New Haven, CT, USA.
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44
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Bozgeyik E, Bozgeyik I. Unveiling the therapeutic potential of natural-based anticancer compounds inducing non-canonical cell death mechanisms. Pathol Res Pract 2023; 248:154693. [PMID: 37516001 DOI: 10.1016/j.prp.2023.154693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2023] [Revised: 07/07/2023] [Accepted: 07/13/2023] [Indexed: 07/31/2023]
Abstract
In the Mid-19th century, Rudolf Virchow considered necrosis to be a prominent form of cell death; since then, pathologists have recognized necrosis as both a cause and a consequence of disease. About a century later, the mechanism of apoptosis, another form of cell death, was discovered, and we now know that this process is regulated by several molecular mechanisms that "programme" the cell to die. However, discoveries on cell death mechanisms are not limited to these, and recent studies have allowed the identification of novel cell death pathways that can be molecularly distinguished from necrotic and apoptotic cell death mechanisms. Moreover, the main goal of current cancer therapy is to discover and develop drugs that target apoptosis. However, resistance to chemotherapeutic agents targeting apoptosis is mainly responsible for the failure of clinical therapy and adverse side effects of the chemotherapeutic agents currently in use pose a major threat to the well-being and lives of patients. Therefore, the development of natural-based anticancer drugs with low cellular and organismal side effects is of great interest. In this comprehensive review, we thoroughly examine and discuss natural anticancer compounds that specifically target non-canonical cell death mechanisms.
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Affiliation(s)
- Esra Bozgeyik
- Department of Medical Services and Techniques, Vocational School of Health Services, Adiyaman University, Adiyaman, Turkey
| | - Ibrahim Bozgeyik
- Department of Medical Biology, Faculty of Medicine, Adiyaman University, Adiyaman, Turkey.
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45
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Zhou KS, Ran R, Gong CY, Zhang SB, Ma CW, Lv JY, Lei ZY, Ren Y, Zhang HH. Roles of pyroptosis in intervertebral disc degeneration. Pathol Res Pract 2023; 248:154685. [PMID: 37494803 DOI: 10.1016/j.prp.2023.154685] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 07/09/2023] [Accepted: 07/10/2023] [Indexed: 07/28/2023]
Abstract
Intervertebral disc degeneration (IDD), the key pathological process in low back pain, is characterized by chronic inflammation and progressive cell death. Pyroptosis is a type of pro-inflammatory programmed necrosis mediated by inflammasomes that is dependent on the gasdermin family of proteins. An in-depth study of the pathological mechanisms of IDD has revealed that pyroptosis plays an important role in its occurrence and development. The molecular characteristics and activation signaling mechanisms of pyroptosis are reviewed in this paper. Moreover, the specific roles of pyroptosis in IDD pathology are outlined and various targeted drugs for its treatment are highlighted.
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Affiliation(s)
- Kai-Sheng Zhou
- Lanzhou University Second Hospital, 82 Cuiying Men, Lanzhou 730000, PR China; Orthopaedics Key Laboratory of Gansu Province, Lanzhou 730000, PR China
| | - Rui Ran
- Lanzhou University Second Hospital, 82 Cuiying Men, Lanzhou 730000, PR China; Orthopaedics Key Laboratory of Gansu Province, Lanzhou 730000, PR China
| | - Chao-Yang Gong
- Lanzhou University Second Hospital, 82 Cuiying Men, Lanzhou 730000, PR China; Orthopaedics Key Laboratory of Gansu Province, Lanzhou 730000, PR China
| | - Shun-Bai Zhang
- Lanzhou University Second Hospital, 82 Cuiying Men, Lanzhou 730000, PR China; Orthopaedics Key Laboratory of Gansu Province, Lanzhou 730000, PR China
| | - Chun-Wei Ma
- Lanzhou University Second Hospital, 82 Cuiying Men, Lanzhou 730000, PR China; Orthopaedics Key Laboratory of Gansu Province, Lanzhou 730000, PR China
| | - Jia-Yang Lv
- Lanzhou University Second Hospital, 82 Cuiying Men, Lanzhou 730000, PR China; Orthopaedics Key Laboratory of Gansu Province, Lanzhou 730000, PR China
| | - Ze-Yuan Lei
- Lanzhou University Second Hospital, 82 Cuiying Men, Lanzhou 730000, PR China; Orthopaedics Key Laboratory of Gansu Province, Lanzhou 730000, PR China
| | - Yi Ren
- Lanzhou University Second Hospital, 82 Cuiying Men, Lanzhou 730000, PR China; Orthopaedics Key Laboratory of Gansu Province, Lanzhou 730000, PR China
| | - Hai-Hong Zhang
- Lanzhou University Second Hospital, 82 Cuiying Men, Lanzhou 730000, PR China.
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46
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Chatterjee R, Chowdhury AR, Mukherjee D, Chakravortty D. From Eberthella typhi to Salmonella Typhi: The Fascinating Journey of the Virulence and Pathogenicity of Salmonella Typhi. ACS OMEGA 2023; 8:25674-25697. [PMID: 37521659 PMCID: PMC10373206 DOI: 10.1021/acsomega.3c02386] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Accepted: 06/30/2023] [Indexed: 08/01/2023]
Abstract
Salmonella Typhi (S. Typhi), the invasive typhoidal serovar of Salmonella enterica that causes typhoid fever in humans, is a severe threat to global health. It is one of the major causes of high morbidity and mortality in developing countries. According to recent WHO estimates, approximately 11-21 million typhoid fever illnesses occur annually worldwide, accounting for 0.12-0.16 million deaths. Salmonella infection can spread to healthy individuals by the consumption of contaminated food and water. Typhoid fever in humans sometimes is accompanied by several other critical extraintestinal complications related to the central nervous system, cardiovascular system, pulmonary system, and hepatobiliary system. Salmonella Pathogenicity Island-1 and Salmonella Pathogenicity Island-2 are the two genomic segments containing genes encoding virulent factors that regulate its invasion and systemic pathogenesis. This Review aims to shed light on a comparative analysis of the virulence and pathogenesis of the typhoidal and nontyphoidal serovars of S. enterica.
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Affiliation(s)
- Ritika Chatterjee
- Department
of Microbiology and Cell Biology, Division of Biological Sciences, Indian Institute of Science, Bangalore, Karnataka 560012, India
| | - Atish Roy Chowdhury
- Department
of Microbiology and Cell Biology, Division of Biological Sciences, Indian Institute of Science, Bangalore, Karnataka 560012, India
| | - Debapriya Mukherjee
- Department
of Microbiology and Cell Biology, Division of Biological Sciences, Indian Institute of Science, Bangalore, Karnataka 560012, India
| | - Dipshikha Chakravortty
- Department
of Microbiology and Cell Biology, Division of Biological Sciences, Indian Institute of Science, Bangalore, Karnataka 560012, India
- Centre
for Biosystems Science and Engineering, Indian Institute of Science, Bangalore, Karnataka 560012, India
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47
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Tian Y, Dong J, Li L. Bridging Pyroptosis and Immunity: A Comprehensive Study of the Pyroptosis-Related Long Non-Coding RNA Signature in Breast Cancer. Life (Basel) 2023; 13:1599. [PMID: 37511974 PMCID: PMC10381440 DOI: 10.3390/life13071599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 07/14/2023] [Accepted: 07/17/2023] [Indexed: 07/30/2023] Open
Abstract
Breast cancer continuously poses serious clinical challenges to human health due to its intrinsic heterogenicity and evolving drug resistance. Recently, increasing evidence has shown that pyroptosis, known as a programmed and inflammatory form of cell death, participates in tumorigenesis, progression, and remodeling of the tumor immune microenvironment (TIME). However, a comprehensive insight into pyroptosis-related signatures for breast cancer remains elusive. The current study established a pyroptosis-related lncRNA signature using transcriptome data and corresponding clinical information from The Cancer Genome Atlas (TCGA). Pyroptosis-related gene clusters, the associated differential expression in breast cancer patients' subtypes, and the potential mechanisms were all discussed. This integrative analysis revealed a unique signature underpinning the dichotomy of breast cancer progression and survival outcomes. Interestingly, the pyroptosis-related lncRNA signature was revealed as closely intertwined with the TIME. A correlation was established between the pyroptosis-related LncRNA signature and the TIME, underlying the mutual effect between pyroptosis and the immune responses implicated in breast cancer. The findings in this work underline the critical role exerted by pyroptosis in breast cancer, providing new insights into disease progression, prognosis, and therapeutic potential. This work has been poised to provide new avenues for personalized, immune-based cancer therapeutics by enhancing our understanding of pyroptosis in breast cancer.
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Affiliation(s)
- Ye Tian
- College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang 110866, China
- Key Laboratory of Livestock Infectious Diseases, Ministry of Education, Shenyang Agricultural University, Shenyang 110866, China
| | - Jing Dong
- College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang 110866, China
- Key Laboratory of Livestock Infectious Diseases, Ministry of Education, Shenyang Agricultural University, Shenyang 110866, China
| | - Lin Li
- College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang 110866, China
- Key Laboratory of Livestock Infectious Diseases, Ministry of Education, Shenyang Agricultural University, Shenyang 110866, China
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48
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Li Q, Wang L, Xu J, Liu S, Song Z, Chen T, Deng X, Wang J, Lv Q. Quercitrin Is a Novel Inhibitor of Salmonella enterica Serovar Typhimurium Type III Secretion System. Molecules 2023; 28:5455. [PMID: 37513327 PMCID: PMC10383848 DOI: 10.3390/molecules28145455] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Revised: 07/09/2023] [Accepted: 07/10/2023] [Indexed: 07/30/2023] Open
Abstract
The purpose was to screen type III secretory system (T3SS) inhibitors of Salmonella enterica serovar Typhimurium (S. Typhimurium) from natural compounds. The pharmacological activities and action mechanisms of candidate compounds in vivo and in vitro were systematically studied and analyzed. Using a SipA-β-lactamase fusion reporting system, we found that quercitrin significantly blocked the translocation of SipA into eukaryotic host cells without affecting the growth of bacteria. Adhesion and invasion assay showed that quercitrin inhibited S. Typhimurium invasion into host cells and reduced S. Typhimurium mediated host cell damage. β-galactosidase activity detection and Western blot analysis showed that quercitrin significantly inhibited the expression of SPI-1 genes (hilA and sopA) and effectors (SipA and SipC). The results of animal experiments showed that quercitrin significantly reduced colony colonization and alleviated the cecum pathological injury of the infected mice. Small molecule inhibitor quercitrin directly inhibited the function of T3SS and provided a potential antibiotic alternative against S. Typhimurium infection. Importance: T3SS plays a crucial role in the bacterial invasion and pathogenesis of S. Typhimurium. Compared with conventional antibiotics, small molecules could inhibit the virulence factors represented by S. Typhimurium T3SS. They have less pressure on bacterial vitality and a lower probability of producing drug resistance. Our results provide strong evidence for the development of novel inhibitors against S. Typhimurium infection.
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Affiliation(s)
- Qingjie Li
- Research Center of Traditional Chinese Medicine, The Affiliated Hospital to Changchun University of Chinses Medicine, Changchun 130021, China
| | - Lianping Wang
- School of Traditional Chinese Medicine, Jilin Agricultural Science and Technology University, Changchun 132101, China
| | - Jingwen Xu
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun 130062, China
| | - Shuang Liu
- Jilin Jinziyuan Biotech Inc., Shuangliao 136400, China
| | - Zeyu Song
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun 130062, China
| | - Tingting Chen
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun 130062, China
| | - Xuming Deng
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun 130062, China
| | - Jianfeng Wang
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun 130062, China
| | - Qianghua Lv
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun 130062, China
- Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan 250100, China
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49
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Jin X, Ma Y, Liu D, Huang Y. Role of pyroptosis in the pathogenesis and treatment of diseases. MedComm (Beijing) 2023; 4:e249. [PMID: 37125240 PMCID: PMC10130418 DOI: 10.1002/mco2.249] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 02/16/2023] [Accepted: 03/07/2023] [Indexed: 05/02/2023] Open
Abstract
Programmed cell death (PCD) is regarded as a pathological form of cell death with an intracellular program mediated, which plays a pivotal role in maintaining homeostasis and embryonic development. Pyroptosis is a new paradigm of PCD, which has received increasing attention due to its close association with immunity and disease. Pyroptosis is a form of inflammatory cell death mediated by gasdermin that promotes the release of proinflammatory cytokines and contents induced by inflammasome activation. Recently, increasing evidence in studies shows that pyroptosis has a crucial role in inflammatory conditions like cardiovascular diseases (CVDs), cancer, neurological diseases (NDs), and metabolic diseases (MDs), suggesting that targeting cell death is a potential intervention for the treatment of these inflammatory diseases. Based on this, the review aims to identify the molecular mechanisms and signaling pathways related to pyroptosis activation and summarizes the current insights into the complicated relationship between pyroptosis and multiple human inflammatory diseases (CVDs, cancer, NDs, and MDs). We also discuss a promising novel strategy and method for treating these inflammatory diseases by targeting pyroptosis and focus on the pyroptosis pathway application in clinics.
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Affiliation(s)
- Xiangyu Jin
- Wuxi School of MedicineJiangnan UniversityJiangsuChina
| | - Yinchu Ma
- Wuxi School of MedicineJiangnan UniversityJiangsuChina
| | - Didi Liu
- Wuxi School of MedicineJiangnan UniversityJiangsuChina
| | - Yi Huang
- Wuxi School of MedicineJiangnan UniversityJiangsuChina
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50
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Macías-Rioseco M, Ochoa J, Asín J, Moeller RB, Uzal FA. Salmonellosis in elephants in managed care: report of 2 cases and literature review. J Vet Diagn Invest 2023; 35:295-299. [PMID: 36896676 PMCID: PMC10185995 DOI: 10.1177/10406387231159371] [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] [Indexed: 03/11/2023] Open
Abstract
In animals, salmonellosis is seen typically as enteritis and/or septicemia. Subclinical infection also occurs, and outwardly healthy animals can serve as reservoirs of infection. Reports of salmonellosis in elephants are rare, limited to a few serovars, and the gross and microscopic lesions of enteric salmonellosis in this species have not been described in detail. We present here, in 2 elephants in managed care settings, cases of salmonellosis that resulted from infection by Salmonella enterica serovar Muenchen and S. enterica serovar Montevideo, serovars that have not been described previously as the cause of salmonellosis in elephants, to our knowledge. We also review the literature on salmonellosis in elephants. Animal A, an adult Asian elephant that was euthanized because of gastrointestinal hemorrhage, had multifocal, necrotizing, suppurative enterocolitis, and necrotizing gastritis. Animal B, an adult African elephant with chronic, recurrent colic, followed by death, had necrotizing typhlocolitis. The origin of infection was not determined in either case. The animals came from different facilities and did not have a common feed source. Previously reported cases of salmonellosis in elephants were caused by Salmonella Dublin, Salmonella Typhimurium, or Salmonella Enteritidis. The definitive diagnosis of salmonellosis is made based on compatible gross and microscopic lesions, coupled with the detection of Salmonella spp. in the affected tissues. Effective biosecurity should be adopted to minimize the risk of salmonellosis in elephants in managed care.
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Affiliation(s)
- Melissa Macías-Rioseco
- Tulare Branch Laboratories, California Animal Health and Food Safety Laboratory, School of Veterinary Medicine, University of California–Davis, Davis, CA, USA
| | - Jennine Ochoa
- Tulare Branch Laboratories, California Animal Health and Food Safety Laboratory, School of Veterinary Medicine, University of California–Davis, Davis, CA, USA
| | - Javier Asín
- San Bernardino Branch Laboratories, California Animal Health and Food Safety Laboratory, School of Veterinary Medicine, University of California–Davis, Davis, CA, USA
| | - Robert B. Moeller
- Tulare Branch Laboratories, California Animal Health and Food Safety Laboratory, School of Veterinary Medicine, University of California–Davis, Davis, CA, USA
| | - Francisco A. Uzal
- San Bernardino Branch Laboratories, California Animal Health and Food Safety Laboratory, School of Veterinary Medicine, University of California–Davis, Davis, CA, USA
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