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Ahmed M, Kurungottu P, Swetha K, Atla S, Ashok N, Nagamalleswari E, Bonam SR, Sahu BD, Kurapati R. Role of NLRP3 inflammasome in nanoparticle adjuvant-mediated immune response. Biomater Sci 2024. [PMID: 38867716 DOI: 10.1039/d4bm00439f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2024]
Abstract
The nucleotide-binding oligomerization domain (NOD)-like receptor (NLR) family pyrin domain-containing 3 (NLRP3) inflammasome is pivotal in orchestrating the immune response induced by nanoparticle adjuvants. Understanding the intricate mechanisms underlying the activation of NLRP3 inflammasome by these adjuvants is crucial for deciphering their immunomodulatory properties. This review explores the involvement of the NLRP3 inflammasome in mediating immune responses triggered by nanoparticle adjuvants. It delves into the signaling pathways and cellular mechanisms involved in NLRP3 activation, highlighting its significance in modulating the efficacy and safety of nanoparticle-based adjuvants. A comprehensive grasp of the interplay between NLRP3 inflammasome and nanoparticle adjuvants holds promise for optimizing vaccine design and advancing immunotherapeutic strategies.
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Affiliation(s)
- Momitul Ahmed
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Guwahati 781101, India.
| | - Pavithra Kurungottu
- School of Chemistry, Indian Institute of Science Education and Research, Thiruvananthapuram 695551, India.
| | - K Swetha
- School of Chemistry, Indian Institute of Science Education and Research, Thiruvananthapuram 695551, India.
| | - Sandeep Atla
- Texas A&M Drug Discovery Center, Department of Chemistry, Texas A&M University, College Station, Texas 77843, USA
| | - Nivethitha Ashok
- School of Chemistry, Indian Institute of Science Education and Research, Thiruvananthapuram 695551, India.
| | - Easa Nagamalleswari
- MTCC and Gene Bank, CSIR-Institute of Microbial Technology, Sector 39A, Chandigarh, 160036, India
| | - Srinivasa Reddy Bonam
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77555, USA.
| | - Bidya Dhar Sahu
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Guwahati 781101, India.
| | - Rajendra Kurapati
- School of Chemistry, Indian Institute of Science Education and Research, Thiruvananthapuram 695551, India.
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202
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Gu W, Zeng Q, Wang X, Jasem H, Ma L. Acute Lung Injury and the NLRP3 Inflammasome. J Inflamm Res 2024; 17:3801-3813. [PMID: 38887753 PMCID: PMC11182363 DOI: 10.2147/jir.s464838] [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: 02/20/2024] [Accepted: 05/22/2024] [Indexed: 06/20/2024] Open
Abstract
Acute lung injury (ALI) manifests through harm to the capillary endothelium and alveolar epithelial cells, arising from a multitude of factors, leading to scattered interstitial alterations, pulmonary edema, and subsequent acute hypoxic respiratory insufficiency. Acute lung injury (ALI), along with its more serious counterpart, acute respiratory distress syndrome (ARDS), carry a fatality rate that hovers around 30-40%. Its principal pathological characteristic lies in the unchecked inflammatory reaction. Currently, the main strategies for treating ALI are alleviation of inflammation and prevention of respiratory failure. Concerning the etiology of ALI, NLRP3 Inflammasome is essential to the body's innate immune response. The composition of this inflammasome complex includes NLRP3, the pyroptosis mediator ASC, and pro-caspase-1. Recent research has reported that the inflammatory response centered on NLRP3 inflammasomes plays a key part in inflammation in ALI, and may hence be a prospective candidate for therapeutic intervention. In the review, we present an overview of the ailment characteristics of acute lung injury along with the constitution and operation of the NLRP3 inflammasome within this framework. We also explore therapeutic strategies targeting the NLRP3 inflammasome to combat acute lung injury.
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Affiliation(s)
- Wanjun Gu
- Department of Anesthesiology, Shengjing Hospital of China Medical University, Shenyang, People’s Republic of China
| | - Qi Zeng
- Department of Anesthesiology, Shengjing Hospital of China Medical University, Shenyang, People’s Republic of China
| | - Xin Wang
- Department of Anesthesiology, Shengjing Hospital of China Medical University, Shenyang, People’s Republic of China
| | - Huthaifa Jasem
- Department of Anesthesiology, Shengjing Hospital of China Medical University, Shenyang, People’s Republic of China
| | - Ling Ma
- Department of Anesthesiology, Shengjing Hospital of China Medical University, Shenyang, People’s Republic of China
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203
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Li Z, Cheng W, Gao K, Liang S, Ke L, Wang M, Fan J, Li D, Zhang P, Xu Z, Li N. Pyroptosis: A spoiler of peaceful coexistence between cells in degenerative bone and joint diseases. J Adv Res 2024:S2090-1232(24)00247-9. [PMID: 38876191 DOI: 10.1016/j.jare.2024.06.010] [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: 02/17/2024] [Revised: 05/23/2024] [Accepted: 06/07/2024] [Indexed: 06/16/2024] Open
Abstract
BACKGROUND As people age, degenerative bone and joint diseases (DBJDs) become more prevalent. When middle-aged and elderly people are diagnosed with one or more disorders such as osteoporosis (OP), osteoarthritis (OA), and intervertebral disc degeneration (IVDD), it often signals the onset of prolonged pain and reduced functionality. Chronic inflammation has been identified as the underlying cause of various degenerative diseases, including DBJDs. Recently, excessive activation of pyroptosis, a form of programed cell death (PCD) mediated by inflammasomes, has emerged as a primary driver of harmful chronic inflammation. Consequently, pyroptosis has become a potential target for preventing and treating DBJDs. AIM OF REVIEW This review explored the physiological and pathological roles of the pyroptosis pathway in bone and joint development and its relation to DBJDs. Meanwhile, it elaborated the molecular mechanisms of pyroptosis within individual cell types in the bone marrow and joints, as well as the interplay among different cell types in the context of DBJDs. Furthermore, this review presented the latest compelling evidence supporting the idea of regulating the pyroptosis pathway for DBJDs treatment, and discussed the potential, limitations, and challenges of various therapeutic strategies involving pyroptosis regulation. KEY SCIENTIFIC CONCEPTS OF REVIEW In summary, an interesting identity for the unregulated pyroptosis pathway in the context of DBJDs was proposed in this review, which was undertaken as a spoiler of peaceful coexistence between cells in a degenerative environment. Over the extended course of DBJDs, pyroptosis pathway perpetuated its activity through crosstalk among pyroptosis cascades in different cell types, thus exacerbating the inflammatory environment throughout the entire bone marrow and joint degeneration environment. Correspondingly, pyroptosis regulation therapy emerged as a promising option for clinical treatment of DBJDs.
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Affiliation(s)
- Zhichao Li
- First College of Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan 250014, China; Department of Orthopedics, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan 250014, China; Center for Translational Medicine Research and Development, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Wenxiang Cheng
- Center for Translational Medicine Research and Development, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Kuanhui Gao
- First College of Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan 250014, China
| | - Songlin Liang
- First College of Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan 250014, China; Center for Translational Medicine Research and Development, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Liqing Ke
- Center for Translational Medicine Research and Development, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Mengjie Wang
- First College of Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan 250014, China
| | - Jilin Fan
- First College of Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan 250014, China
| | - Dandan Li
- College of Integrated Traditional Chinese and Western Medicine, Hebei University of Chinese Medicine, Shijiazhuang 050011, China
| | - Peng Zhang
- Center for Translational Medicine Research and Development, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; Faculty of Biomedical Engineering, Shenzhen University of Advanced Technology, Shenzhen 518000, China; Key Laboratory of Biomedical Imaging Science and System, Chinese Academy of Sciences, Shenzhen, 518000 China; Shandong Zhongke Advanced Technology Co., Ltd., Jinan, 250300 China.
| | - Zhanwang Xu
- First College of Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan 250014, China; Department of Orthopedics, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan 250014, China.
| | - Nianhu Li
- First College of Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan 250014, China; Department of Orthopedics, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan 250014, China.
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204
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Kurdi H, Lavalle L, Moon JCC, Hughes D. Inflammation in Fabry disease: stages, molecular pathways, and therapeutic implications. Front Cardiovasc Med 2024; 11:1420067. [PMID: 38932991 PMCID: PMC11199868 DOI: 10.3389/fcvm.2024.1420067] [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: 04/19/2024] [Accepted: 05/28/2024] [Indexed: 06/28/2024] Open
Abstract
Fabry disease, a multisystem X-linked disorder caused by mutations in the alpha-galactosidase gene. This leads to the accumulation of globotriaosylceramide (Gb3) and globotriaosylsphingosine (Lyso-Gb3), culminating in various clinical signs and symptoms that significantly impact quality of life. Although treatments such as enzyme replacement, oral chaperone, and emerging therapies like gene therapy exist; delayed diagnosis often curtails their effectiveness. Our review highlights the importance of delineating the stages of inflammation in Fabry disease to enhance the timing and efficacy of diagnosis and interventions, particularly before the progression to fibrosis, where treatment options are less effective. Inflammation is emerging as an important aspect of the pathogenesis of Fabry disease. This is thought to be predominantly mediated by the innate immune response, with growing evidence pointing towards the potential involvement of adaptive immune mechanisms that remain poorly understood. Highlighted by the fact that Fabry disease shares immune profiles with systemic autoinflammatory diseases, blurring the distinctions between these disorders and highlighting the need for a nuanced understanding of immune dynamics. This insight is crucial for developing targeted therapies and improving the administration of current treatments like enzyme replacement. Moreover, our review discusses the complex interplay between these inflammatory processes and current treatments, such as the challenges posed by anti-drug antibodies. These antibodies can attenuate the effectiveness of therapies, necessitating more refined approaches to mitigate their impact. By advancing our understanding of the molecular changes, inflammatory mediators and causative factors that drive inflammation in Fabry disease, we aim to clarify their role in the disease's progression. This improved understanding will help us see how these processes fit into the current landscape of Fabry disease. Additionally, it will guide the development of more effective diagnostic and therapeutic approaches, ultimately improving patient care.
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Affiliation(s)
- Hibba Kurdi
- Institute of Cardiovascular Science, University College London, London, United Kingdom
- Cardiovascular Imaging Department, Barts Heart Centre, London, United Kingdom
| | - Lucia Lavalle
- Institute of Cardiovascular Science, University College London, London, United Kingdom
- Lysosomal Storage Disorders Unit, The Royal Free Hospital, London, United Kingdom
| | - James C. C. Moon
- Institute of Cardiovascular Science, University College London, London, United Kingdom
- Cardiovascular Imaging Department, Barts Heart Centre, London, United Kingdom
| | - Derralynn Hughes
- Institute of Cardiovascular Science, University College London, London, United Kingdom
- Lysosomal Storage Disorders Unit, The Royal Free Hospital, London, United Kingdom
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205
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Yang J, Xia X, Du M, Cheng S, Zhu B, Xu X. Highly Effective Nobiletin-MPN in Yeast Microcapsules for Targeted Modulation of Oxidative Stress, NLRP3 Inflammasome Activation, and Immune Responses in Ulcerative Colitis. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:13054-13068. [PMID: 38809142 DOI: 10.1021/acs.jafc.3c09530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2024]
Abstract
Inflammatory bowel disease (IBD) etiology is intricately linked to oxidative stress and inflammasome activation. Natural antioxidant nobiletin (NOB) contains excellent anti-inflammatory properties in alleviating intestinal injury. However, the insufficient water solubility and low bioavailability restrict its oral intervention for IBD. Herein, we constructed a highly efficient NOB-loaded yeast microcapsule (YM, NEFY) exhibiting marked therapeutic efficacy for dextran sulfate sodium (DSS)-induced ulcerative colitis (UC) at a low oral dose of NOB (20 mg/kg). We utilized the metal polyphenol network (MPN) formed by self-assembly of epigallocatechin gallate (EGCG) and FeCl3 as the intermediate carrier to improve the encapsulation efficiency (EE) of NOB by 4.2 times. These microcapsules effectively alleviated the inflammatory reaction and oxidative stress of RAW264.7 macrophages induced by lipopolysaccharide (LPS). In vivo, NEFY with biocompatibility enabled the intestinal enrichment of NOB through controlled gastrointestinal release and macrophage targeting. In addition, NEFY could inhibit NLRP3 inflammasome and balance the macrophage polarization, which favors the complete intestinal mucosal barrier and recovery of colitis. Based on the oral targeted delivery platform of YM, this work proposes a novel strategy for developing and utilizing the natural flavone NOB to intervene in intestinal inflammation-related diseases.
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Affiliation(s)
- Jingqi Yang
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, PR China
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, PR China
| | - Xiaoyu Xia
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, PR China
| | - Ming Du
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, PR China
| | - Shuzhen Cheng
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, PR China
| | - Beiwei Zhu
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, PR China
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, PR China
| | - Xianbing Xu
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, PR China
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206
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Wu L, Chang E, Zhao H, Ma D. Regulated cell death in hypoxic-ischaemic encephalopathy: recent development and mechanistic overview. Cell Death Discov 2024; 10:277. [PMID: 38862503 PMCID: PMC11167026 DOI: 10.1038/s41420-024-02014-2] [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: 03/07/2024] [Revised: 05/05/2024] [Accepted: 05/07/2024] [Indexed: 06/13/2024] Open
Abstract
Hypoxic-ischaemic encephalopathy (HIE) in termed infants remains a significant cause of morbidity and mortality worldwide despite the introduction of therapeutic hypothermia. Depending on the cell type, cellular context, metabolic predisposition and insult severity, cell death in the injured immature brain can be highly heterogenous. A continuum of cell death exists in the H/I-injured immature brain. Aside from apoptosis, emerging evidence supports the pathological activation of necroptosis, pyroptosis and ferroptosis as alternative regulated cell death (RCD) in HIE to trigger neuroinflammation and metabolic disturbances in addition to cell loss. Upregulation of autophagy and mitophagy in HIE represents an intrinsic neuroprotective strategy. Molecular crosstalk between RCD pathways implies one RCD mechanism may compensate for the loss of function of another. Moreover, mitochondrion was identified as the signalling "hub" where different RCD pathways converge. The highly-orchestrated nature of RCD makes them promising therapeutic targets. Better understanding of RCD mechanisms and crosstalk between RCD subtypes likely shed light on novel therapy development for HIE. The identification of a potential RCD converging node may open up the opportunity for simultaneous and synergistic inhibition of cell death in the immature brain.
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Affiliation(s)
- Lingzhi Wu
- Division of Anaesthetics, Pain Medicine and Intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea and Westminster Hospital, London, UK
| | - Enqiang Chang
- Division of Anaesthetics, Pain Medicine and Intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea and Westminster Hospital, London, UK
| | - Hailin Zhao
- Division of Anaesthetics, Pain Medicine and Intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea and Westminster Hospital, London, UK
| | - Daqing Ma
- Division of Anaesthetics, Pain Medicine and Intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea and Westminster Hospital, London, UK.
- Perioperative and Systems Medicine Laboratory, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, 310052, China.
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207
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Licini C, Morroni G, Lucarini G, Vitto VAM, Orlando F, Missiroli S, D'Achille G, Perrone M, Spadoni T, Graciotti L, Bigossi G, Provinciali M, Offidani A, Mattioli-Belmonte M, Cirioni O, Pinton P, Simonetti O, Marchi S. ER-mitochondria association negatively affects wound healing by regulating NLRP3 activation. Cell Death Dis 2024; 15:407. [PMID: 38862500 PMCID: PMC11167056 DOI: 10.1038/s41419-024-06765-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 05/14/2024] [Accepted: 05/21/2024] [Indexed: 06/13/2024]
Abstract
Methicillin-resistant Staphylococcus aureus (MRSA) is the most common causative agent of acute bacterial skin and skin-structure infections (ABSSSI), one of the major challenges to the health system worldwide. Although the use of antibiotics as the first line of intervention for MRSA-infected wounds is recommended, important side effects could occur, including cytotoxicity or immune dysregulation, thus affecting the repair process. Here, we show that the oxazolidinone antibiotic linezolid (LZD) impairs wound healing by aberrantly increasing interleukin 1 β (IL-1β) production in keratinocytes. Mechanistically, LZD triggers a reactive oxygen species (ROS)-independent mitochondrial damage that culminates in increased tethering between the endoplasmic reticulum (ER) and mitochondria, which in turn activates the NLR family pyrin domain-containing 3 (NLRP3) inflammasome complex by promoting its assembly to the mitochondrial surface. Downregulation of ER-mitochondria contact formation is sufficient to inhibit the LZD-driven NLRP3 inflammasome activation and IL-1β production, restoring wound closure. These results identify the ER-mitochondria association as a key factor for NLRP3 activation and reveal a new mechanism in the regulation of the wound healing process that might be clinically relevant.
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Affiliation(s)
- Caterina Licini
- Department of Clinical and Molecular Sciences, Marche Polytechnic University, Ancona, Italy
| | - Gianluca Morroni
- Microbiology Unit, Department of Biomedical Sciences and Public Health, Marche Polytechnic University, Ancona, Italy
| | - Guendalina Lucarini
- Department of Clinical and Molecular Sciences, Marche Polytechnic University, Ancona, Italy
| | - Veronica Angela Maria Vitto
- Department of Medical Sciences, Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, Ferrara, Italy
| | - Fiorenza Orlando
- Experimental Animal Models for Aging Research, Scientific Technological Area, IRCCS INRCA, 60121, Ancona, Italy
| | - Sonia Missiroli
- Department of Medical Sciences, Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, Ferrara, Italy
| | - Gloria D'Achille
- Microbiology Unit, Department of Biomedical Sciences and Public Health, Marche Polytechnic University, Ancona, Italy
| | - Mariasole Perrone
- Department of Medical Sciences, Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, Ferrara, Italy
| | - Tatiana Spadoni
- Department of Biomedical Sciences and Public Health, Marche Polytechnic University, Ancona, Italy
| | - Laura Graciotti
- Department of Biomedical Sciences and Public Health, Marche Polytechnic University, Ancona, Italy
| | - Giorgia Bigossi
- Advanced Technology Center for Aging Research, IRCCS INRCA, 60121, Ancona, Italy
| | - Mauro Provinciali
- Advanced Technology Center for Aging Research, IRCCS INRCA, 60121, Ancona, Italy
| | - Annamaria Offidani
- Clinic of Dermatology, Department of Clinical and Molecular Sciences, Marche Polytechnic University, Ancona, Italy
| | - Monica Mattioli-Belmonte
- Department of Clinical and Molecular Sciences, Marche Polytechnic University, Ancona, Italy
- Advanced Technology Center for Aging Research, IRCCS INRCA, 60121, Ancona, Italy
| | - Oscar Cirioni
- Clinic of Infectious Diseases, Department of Biomedical Sciences and Public Health, Marche Polytechnic University, Ancona, Italy
| | - Paolo Pinton
- Department of Medical Sciences, Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, Ferrara, Italy
| | - Oriana Simonetti
- Clinic of Dermatology, Department of Clinical and Molecular Sciences, Marche Polytechnic University, Ancona, Italy.
| | - Saverio Marchi
- Department of Clinical and Molecular Sciences, Marche Polytechnic University, Ancona, Italy.
- Advanced Technology Center for Aging Research, IRCCS INRCA, 60121, Ancona, Italy.
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208
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Zhang L, Tang Y, Huang P, Luo S, She Z, Peng H, Chen Y, Luo J, Duan W, Xiong J, Liu L, Liu L. Role of NLRP3 inflammasome in central nervous system diseases. Cell Biosci 2024; 14:75. [PMID: 38849934 PMCID: PMC11162045 DOI: 10.1186/s13578-024-01256-y] [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: 03/31/2024] [Accepted: 05/28/2024] [Indexed: 06/09/2024] Open
Abstract
The central nervous system (CNS) is the most delicate system in human body, with the most complex structure and function. It is vulnerable to trauma, infection, neurodegeneration and autoimmune diseases, and activates the immune system. An appropriate inflammatory response contributes to defence against invading microbes, whereas an excessive inflammatory response can aggravate tissue damage. The NLRP3 inflammasome was the first one studied in the brain. Once primed and activated, it completes the assembly of inflammasome (sensor NLRP3, adaptor ASC, and effector caspase-1), leading to caspase-1 activation and increased release of downstream inflammatory cytokines, as well as to pyroptosis. Cumulative studies have confirmed that NLRP3 plays an important role in regulating innate immunity and autoimmune diseases, and its inhibitors have shown good efficacy in animal models of various inflammatory diseases. In this review, we will briefly discuss the biological characteristics of NLRP3 inflammasome, summarize the recent advances and clinical impact of the NLRP3 inflammasome in infectious, inflammatory, immune, degenerative, genetic, and vascular diseases of CNS, and discuss the potential and challenges of NLRP3 as a therapeutic target for CNS diseases.
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Affiliation(s)
- Lu Zhang
- Department of Pediatrics, The Second Xiangya Hospital of Central South University, Changsha, 410011, China
- Department of Pediatric Neurology, Children's Medical Center, The Second Xiangya Hospital of Central South University, Changsha, HuChina, 410011, China
| | - Yufen Tang
- Department of Pediatrics, The Second Xiangya Hospital of Central South University, Changsha, 410011, China
- Department of Pediatric Neurology, Children's Medical Center, The Second Xiangya Hospital of Central South University, Changsha, HuChina, 410011, China
| | - Peng Huang
- Department of Pediatrics, The Second Xiangya Hospital of Central South University, Changsha, 410011, China
- Department of Pediatric Neurology, Children's Medical Center, The Second Xiangya Hospital of Central South University, Changsha, HuChina, 410011, China
| | - Senlin Luo
- Department of Pediatrics, The Second Xiangya Hospital of Central South University, Changsha, 410011, China
- Department of Pediatric Neurology, Children's Medical Center, The Second Xiangya Hospital of Central South University, Changsha, HuChina, 410011, China
| | - Zhou She
- Department of Pediatrics, The Second Xiangya Hospital of Central South University, Changsha, 410011, China
- Department of Pediatric Neurology, Children's Medical Center, The Second Xiangya Hospital of Central South University, Changsha, HuChina, 410011, China
| | - Hong Peng
- Department of Pediatrics, The Second Xiangya Hospital of Central South University, Changsha, 410011, China
- Department of Pediatric Neurology, Children's Medical Center, The Second Xiangya Hospital of Central South University, Changsha, HuChina, 410011, China
| | - Yuqiong Chen
- Department of Pediatrics, The Second Xiangya Hospital of Central South University, Changsha, 410011, China
- Department of Pediatric Neurology, Children's Medical Center, The Second Xiangya Hospital of Central South University, Changsha, HuChina, 410011, China
| | - Jinwen Luo
- Department of Pediatrics, The Second Xiangya Hospital of Central South University, Changsha, 410011, China
- Department of Pediatric Neurology, Children's Medical Center, The Second Xiangya Hospital of Central South University, Changsha, HuChina, 410011, China
| | - Wangxin Duan
- Department of Pediatrics, The Second Xiangya Hospital of Central South University, Changsha, 410011, China
| | - Jie Xiong
- Department of Pediatrics, The Second Xiangya Hospital of Central South University, Changsha, 410011, China
- Department of Pediatric Neurology, Children's Medical Center, The Second Xiangya Hospital of Central South University, Changsha, HuChina, 410011, China
| | - Lingjuan Liu
- Department of Pediatrics, The Second Xiangya Hospital of Central South University, Changsha, 410011, China
- Department of Pediatric Neurology, Children's Medical Center, The Second Xiangya Hospital of Central South University, Changsha, HuChina, 410011, China
| | - Liqun Liu
- Department of Pediatrics, The Second Xiangya Hospital of Central South University, Changsha, 410011, China.
- Department of Pediatric Neurology, Children's Medical Center, The Second Xiangya Hospital of Central South University, Changsha, HuChina, 410011, China.
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209
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Cihankaya H, Bader V, Winklhofer KF, Vorgerd M, Matschke J, Stahlke S, Theiss C, Matschke V. Elevated NLRP3 Inflammasome Activation Is Associated with Motor Neuron Degeneration in ALS. Cells 2024; 13:995. [PMID: 38920626 PMCID: PMC11202041 DOI: 10.3390/cells13120995] [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: 04/25/2024] [Revised: 06/03/2024] [Accepted: 06/05/2024] [Indexed: 06/27/2024] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease characterized by motor neuron degeneration in the central nervous system. Recent research has increasingly linked the activation of nucleotide oligomerization domain-like receptor protein 3 (NLRP3) inflammasome to ALS pathogenesis. NLRP3 activation triggers Caspase 1 (CASP 1) auto-activation, leading to the cleavage of Gasdermin D (GSDMD) and pore formation on the cellular membrane. This process facilitates cytokine secretion and ultimately results in pyroptotic cell death, highlighting the complex interplay of inflammation and neurodegeneration in ALS. This study aimed to characterize the NLRP3 inflammasome components and their colocalization with cellular markers using the wobbler mouse as an ALS animal model. Firstly, we checked the levels of miR-223-3p because of its association with NLRP3 inflammasome activity. The wobbler mice showed an increased expression of miR-223-3p in the ventral horn, spinal cord, and cerebellum tissues. Next, increased levels of NLRP3, pro-CASP 1, cleaved CASP 1 (c-CASP 1), full-length GSDMD, and cleaved GDSMD revealed NLRP3 inflammasome activation in wobbler spinal cords, but not in the cerebellum. Furthermore, we investigated the colocalization of the aforementioned proteins with neurons, microglia, and astrocyte markers in the spinal cord tissue. Evidently, the wobbler mice displayed microgliosis, astrogliosis, and motor neuron degeneration in this tissue. Additionally, we showed the upregulation of protein levels and the colocalization of NLRP3, c-CASP1, and GSDMD in neurons, as well as in microglia and astrocytes. Overall, this study demonstrated the involvement of NLRP3 inflammasome activation and pyroptotic cell death in the spinal cord tissue of wobbler mice, which could further exacerbate the motor neuron degeneration and neuroinflammation in this ALS mouse model.
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Affiliation(s)
- Hilal Cihankaya
- Department of Cytology, Institute of Anatomy, Ruhr-University Bochum, 44801 Bochum, Germany; (H.C.); (C.T.)
- International Graduate School of Neuroscience (IGSN), Ruhr-University Bochum, 44801 Bochum, Germany;
| | - Verian Bader
- Department of Molecular Cell Biology, Institute of Biochemistry and Pathobiochemistry, Medical Faculty, Ruhr-University Bochum, 44801 Bochum, Germany;
| | - Konstanze F. Winklhofer
- International Graduate School of Neuroscience (IGSN), Ruhr-University Bochum, 44801 Bochum, Germany;
- Department of Molecular Cell Biology, Institute of Biochemistry and Pathobiochemistry, Medical Faculty, Ruhr-University Bochum, 44801 Bochum, Germany;
| | - Matthias Vorgerd
- Department of Neurology, Heimer Institute for Muscle Research, University Hospital Bergmannsheil, Ruhr-University Bochum, Buerkle-de-la-Camp-Platz 1, 44789 Bochum, Germany;
| | - Johann Matschke
- Institute of Cell Biology (Cancer Research), University Hospital Essen, University of Duisburg-Essen, 45147 Essen, Germany;
| | - Sarah Stahlke
- Department of Cytology, Institute of Anatomy, Ruhr-University Bochum, 44801 Bochum, Germany; (H.C.); (C.T.)
| | - Carsten Theiss
- Department of Cytology, Institute of Anatomy, Ruhr-University Bochum, 44801 Bochum, Germany; (H.C.); (C.T.)
- International Graduate School of Neuroscience (IGSN), Ruhr-University Bochum, 44801 Bochum, Germany;
| | - Veronika Matschke
- Department of Cytology, Institute of Anatomy, Ruhr-University Bochum, 44801 Bochum, Germany; (H.C.); (C.T.)
- International Graduate School of Neuroscience (IGSN), Ruhr-University Bochum, 44801 Bochum, Germany;
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210
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El Soufi El Sabbagh D, Attisano L, Andreazza AC, Machado AK. A Dynamic Protocol to Explore NLRP3 Inflammasome Activation in Cerebral Organoids. Int J Mol Sci 2024; 25:6335. [PMID: 38928041 PMCID: PMC11204242 DOI: 10.3390/ijms25126335] [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: 05/07/2024] [Revised: 05/30/2024] [Accepted: 06/05/2024] [Indexed: 06/28/2024] Open
Abstract
The NLRP3 inflammasome plays a crucial role in the inflammatory response, reacting to pathogen-associated molecular patterns (PAMPs) and damage-associated molecular patterns (DAMPs). This response is essential for combating infections and restoring tissue homeostasis. However, chronic activation can lead to detrimental effects, particularly in neuropsychiatric and neurodegenerative diseases. Our study seeks to provide a method to effectively measure the NLRP3 inflammasome's activation within cerebral organoids (COs), providing insights into the underlying pathophysiology of these conditions and enabling future studies to investigate the development of targeted therapies.
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Affiliation(s)
- Dana El Soufi El Sabbagh
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, ON M5S 1A8, Canada; (D.E.S.E.S.); (A.K.M.)
- Krembil Brain Institute, Toronto Western Hospital, University Health Network, Toronto, ON M5T 2S8, Canada
| | - Liliana Attisano
- Department of Biochemistry, University of Toronto, Toronto, ON M5S 1A8, Canada;
| | - Ana Cristina Andreazza
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, ON M5S 1A8, Canada; (D.E.S.E.S.); (A.K.M.)
| | - Alencar Kolinski Machado
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, ON M5S 1A8, Canada; (D.E.S.E.S.); (A.K.M.)
- Graduate Program in Nanosciences, Franciscan University, Santa Maria 97010-491, RS, Brazil
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211
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Ong J, Zarnegar A, Selvam A, Driban M, Chhablani J. The Complement System as a Therapeutic Target in Retinal Disease. MEDICINA (KAUNAS, LITHUANIA) 2024; 60:945. [PMID: 38929562 PMCID: PMC11205777 DOI: 10.3390/medicina60060945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2024] [Revised: 05/16/2024] [Accepted: 05/23/2024] [Indexed: 06/28/2024]
Abstract
The complement cascade is a vital system in the human body's defense against pathogens. During the natural aging process, it has been observed that this system is imperative for ensuring the integrity and homeostasis of the retina. While this system is critical for proper host defense and retinal integrity, it has also been found that dysregulation of this system may lead to certain retinal pathologies, including geographic atrophy and diabetic retinopathy. Targeting components of the complement system for retinal diseases has been an area of interest, and in vivo, ex vivo, and clinical trials have been conducted in this area. Following clinical trials, medications targeting the complement system for retinal disease have also become available. In this manuscript, we discuss the pathophysiology of complement dysfunction in the retina and specific pathologies. We then describe the results of cellular, animal, and clinical studies targeting the complement system for retinal diseases. We then provide an overview of complement inhibitors that have been approved by the Food and Drug Administration (FDA) for geographic atrophy. The complement system in retinal diseases continues to serve as an emerging therapeutic target, and further research in this field will provide additional insights into the mechanisms and considerations for treatment of retinal pathologies.
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Affiliation(s)
- Joshua Ong
- Department of Ophthalmology and Visual Sciences, University of Michigan Kellogg Eye Center, Ann Arbor, MI 48105, USA
| | - Arman Zarnegar
- Department of Ophthalmology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA
| | - Amrish Selvam
- Department of Ophthalmology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA
| | - Matthew Driban
- Department of Ophthalmology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA
| | - Jay Chhablani
- Department of Ophthalmology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA
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Zhu Y, Guo Y, Guo P, Zhang J, He Y, Xia Y, Wei Z, Dai Y. Estrogen receptor β activation alleviates inflammatory bowel disease by suppressing NLRP3-dependent IL-1β production in macrophages via downregulation of intracellular calcium level. J Adv Res 2024:S2090-1232(24)00228-5. [PMID: 38844124 DOI: 10.1016/j.jare.2024.06.004] [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: 01/12/2024] [Revised: 05/30/2024] [Accepted: 06/02/2024] [Indexed: 06/11/2024] Open
Abstract
INTRODUCTION Although several estrogen receptor β (ERβ) agonists have been reported to alleviate IBD, the pivotal mechanism remains obscure. OBJECTIVES To examine the effects and mechanisms of ERβ activation on cytokine/chemokine networks in colitis mice. METHODS Dextran sulfate sodium salt (DSS) and trinitro-benzene-sulfonic acid (TNBS) were used to induce mouse colitis model. Multiple molecular biological methods were employed to evaluate the severity of mouse colitis and the level of cytokine and/or chemokine. RESULTS Bioinformatics analysis, ELISA and immunofluorescence results showed that the targeted cytokines and/or chemokines associated with ERβ expression and activation is IL-1β, and the anti-colitis effect of ERβ activation was significantly attenuated by the overexpression of AAV9-IL-1β. Immunofluorescence analysis indicated that ERβ activation led to most evident downregulation of IL-1β expression in colonic macrophages as compared to monocytes and neutrophils. Given the pivotal roles of NLRP3, NLRC4, and AIM2 inflammasome activation in the production of IL-1β, we examined the influence of ERβ activation on inflammasome activity. ELISA and WB results showed that ERβ activation selectively blocked the NLRP3 inflammasome assembly-mediated IL-1β secretion. The calcium-sensing receptor (CaSR) and calcium signaling play crucial roles in the assembly of the NLRP3 inflammasome. WB and immunofluorescence results showed that ERβ activation reduced intracellular CaSR expression and calcium signaling in colonic macrophages. Combination with CaSR overexpression plasmid reversed the suppressive effect of ERβ activation on NLRP3 inflammasome assembly, and counteracting the downregulation of IL-1β secretion. CONCLUSION Our research uncovers that the anti-colitis effect of ERβ activation is accomplished through the reduction of IL-1β levels in colonic tissue, achieved by specifically decreasing CaSR expression in macrophages to lower intracellular calcium levels and inhibit NLRP3 inflammasome assembly-mediated IL-1β production.
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Affiliation(s)
- Yanrong Zhu
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 639 Long Mian Avenue, Nanjing 211198, China
| | - Yilei Guo
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 639 Long Mian Avenue, Nanjing 211198, China
| | - Pengxiang Guo
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 639 Long Mian Avenue, Nanjing 211198, China
| | - Jing Zhang
- Department of Pharmacognosy, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 639 Long Mian Avenue, Nanjing 211198, China
| | - Yue He
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 639 Long Mian Avenue, Nanjing 211198, China
| | - Yufeng Xia
- Department of Pharmacognosy, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 639 Long Mian Avenue, Nanjing 211198, China
| | - Zhifeng Wei
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 639 Long Mian Avenue, Nanjing 211198, China.
| | - Yue Dai
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 639 Long Mian Avenue, Nanjing 211198, China.
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Jin J, Kang DH, Lee GH, Kim WM, Choi JI. Intrathecal gastrodin alleviates allodynia in a rat spinal nerve ligation model through NLRP3 inflammasome inhibition. BMC Complement Med Ther 2024; 24:213. [PMID: 38835032 PMCID: PMC11149323 DOI: 10.1186/s12906-024-04519-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: 11/12/2023] [Accepted: 05/24/2024] [Indexed: 06/06/2024] Open
Abstract
BACKGROUND Gastrodin (GAS), a main bioactive component of the herbal plant, Gastrodia elata Blume, has shown to have beneficial effects on neuroinflammatory diseases such as Alzheimer's disease in animal studies and migraine in clinical studies. Inflammasome is a multimeric protein complex having a core of pattern recognition receptor and has been implicated in the development of neuroinflammatory diseases. Gastrodin has shown to modulate the activation of nucleotide-binding oligomerization domain (NOD)-like receptor protein 3 (NLRP3) inflammasome. This study investigated the effects of GAS on the intensity of mechanical allodynia and associated changes in NLRP3 inflammasome expression at the spinal level using L5/6 spinal nerve ligation model (SNL) in rats. METHODS Intrathecal (IT) catheter implantation and SNL were used for drug administration and pain model in male Sprague-Dawley rats. The effect of gastrodin or MCC950 (NLRP3 inflammasome inhibitor) on mechanical allodynia was measured by von Frey test. Changes in NLRP3 inflammasome components and interleukin-1β (IL-1β) and cellular expression were examined in the spinal cord and dorsal root ganglion. RESULTS The expression of NLRP3 inflammasome components was found mostly in the neurons in the spinal cord and dorsal root ganglion. The protein and mRNA levels of NLRP3, apoptosis-associated speck-like protein containing a caspase recruitment domain (ASC), caspase-1, and IL-1β were upregulated in SNL animals compared to Sham animals. IT administration of GAS significantly attenuated the expression of NLRP3 inflammasome and the intensity of SNL-induced mechanical allodynia. NLRP3 inflammasome inhibitor, MCC950, also attenuated the intensity of allodynia, but the effect is less strong and shorter than that of GAS. CONCLUSIONS Expression of NLRP3 inflammasome and IL-1β is greatly increased and mostly found in the neurons at the spinal level in SNL model, and IT gastrodin exerts a significant anti-allodynic effect in SNL model partly through suppressing the expression of NLRP3 inflammasome.
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Affiliation(s)
- JunXiu Jin
- Department of Anesthesiology and Pain Medicine, Chonnam National University Medical School and Hospital, 42 Jebong-ro, Dong-gu, Gwangju, 61469, Korea
- Department of Anesthesia, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, People's Republic of China
| | - Dong Ho Kang
- Department of Anesthesiology and Pain Medicine, Chonnam National University Medical School and Hospital, 42 Jebong-ro, Dong-gu, Gwangju, 61469, Korea
| | - Geon Hui Lee
- Department of Anesthesiology and Pain Medicine, Chonnam National University Medical School and Hospital, 42 Jebong-ro, Dong-gu, Gwangju, 61469, Korea
| | - Woong Mo Kim
- Department of Anesthesiology and Pain Medicine, Chonnam National University Medical School and Hospital, 42 Jebong-ro, Dong-gu, Gwangju, 61469, Korea
- BioMedical Sciences Graduate Program (BMSGP), Chonnam National University Medical School, Hwasun, 58128, Korea
| | - Jeong Il Choi
- Department of Anesthesiology and Pain Medicine, Chonnam National University Medical School and Hospital, 42 Jebong-ro, Dong-gu, Gwangju, 61469, Korea.
- BioMedical Sciences Graduate Program (BMSGP), Chonnam National University Medical School, Hwasun, 58128, Korea.
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Sun C, Jiang Y, Li C, Sun S, Lin J, Wang W, Zhou L, Li L, Shah M, Che Q, Zhang G, Wang D, Zhu T, Li D. Discovery, Total Synthesis, and Anti-Inflammatory Evaluation of Naturally Occurring Naphthopyrone-Macrolide Hybrids as Potent NLRP3 Inflammasome Inhibitors. Angew Chem Int Ed Engl 2024:e202405860. [PMID: 38837604 DOI: 10.1002/anie.202405860] [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: 03/26/2024] [Revised: 06/02/2024] [Accepted: 06/04/2024] [Indexed: 06/07/2024]
Abstract
Numerous clinical disorders have been linked to the etiology of dysregulated NLRP3 (NACHT, LRR, and PYD domain-containing protein 3) inflammasome activation. Despite its potential as a pharmacological target, modulation of NLRP3 activity remains challenging. Only a sparse number of compounds have been reported that can modulate NLRP3 and none of them have been developed into a commercially available drug. In this research, we identified three potent NLRP3 inflammasome inhibitors, gymnoasins A-C (1-3), with unprecedented pentacyclic scaffolds, from an Antarctic fungus Pseudogymnoascus sp. HDN17-895, which represent the first naturally occurring naphthopyrone-macrolide hybrids. Additionally, biomimetic synthesis of gymnoasin A (1) was also achieved validating the chemical structure and affording ample amounts of material for exhaustive bioactivity assessments. Biological assays indicated that 1 could significantly inhibited in vitro NLRP3 inflammasome activation and in vivo pro-inflammatory cytokine IL-1β release, representing a valuable new lead compound for the development of novel therapeutics with the potential to inhibit the NLRP3 inflammasome.
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Affiliation(s)
- Chunxiao Sun
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266100, China
| | - Yuqi Jiang
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266100, China
- Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China
- Marine Biomedical Research Institute of Qingdao, Qingdao, Shandong, 266071, China
| | - Changlong Li
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266100, China
| | - Simin Sun
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266100, China
| | - Jiaqi Lin
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266100, China
| | - Wenxue Wang
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266100, China
| | - Luning Zhou
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266100, China
| | - Liping Li
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266100, China
| | - Mudassir Shah
- Department of Pharmacy, Abbottabad University of Science and Technology, Havellian, District, Abbottabad, 22010 KPK, Pakistan
| | - Qian Che
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266100, China
| | - Guojian Zhang
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266100, China
- Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China
- Marine Biomedical Research Institute of Qingdao, Qingdao, Shandong, 266071, China
| | - De Wang
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266100, China
- Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China
- Marine Biomedical Research Institute of Qingdao, Qingdao, Shandong, 266071, China
| | - Tianjiao Zhu
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266100, China
| | - Dehai Li
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266100, China
- Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China
- Marine Biomedical Research Institute of Qingdao, Qingdao, Shandong, 266071, China
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Kim JS, Choi H, Oh JM, Kim SW, Kim SW, Kim BG, Cho JH, Lee J, Lee DC. TBHQ Alleviates Particulate Matter-Induced Pyroptosis in Human Nasal Epithelial Cells. TOXICS 2024; 12:407. [PMID: 38922087 PMCID: PMC11209226 DOI: 10.3390/toxics12060407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Revised: 05/17/2024] [Accepted: 05/30/2024] [Indexed: 06/27/2024]
Abstract
Pyroptosis represents a type of cell death mechanism notable for its cell membrane disruption and the subsequent release of proinflammatory cytokines. The Nod-like receptor family pyrin domain containing inflammasome 3 (NLRP3) plays a critical role in the pyroptosis mechanism associated with various diseases resulting from particulate matter (PM) exposure. Tert-butylhydroquinone (tBHQ) is a synthetic antioxidant commonly used in a variety of foods and products. The aim of this study is to examine the potential of tBHQ as a therapeutic agent for managing sinonasal diseases induced by PM exposure. The occurrence of NLRP3 inflammasome-dependent pyroptosis in RPMI 2650 cells treated with PM < 4 µm in size was confirmed using Western blot analysis and enzyme-linked immunosorbent assay results for the pyroptosis metabolites IL-1β and IL-18. In addition, the inhibitory effect of tBHQ on PM-induced pyroptosis was confirmed using Western blot and immunofluorescence techniques. The inhibition of tBHQ-mediated pyroptosis was abolished upon nuclear factor erythroid 2-related factor 2 (Nrf2) knockdown, indicating its involvement in the antioxidant mechanism. tBHQ showed potential as a therapeutic agent for sinonasal diseases induced by PM because NLRP3 inflammasome activation was effectively suppressed via the Nrf2 pathway.
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Affiliation(s)
- Ji-Sun Kim
- Department of Otorhinolaryngology Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea; (J.-S.K.); (S.W.K.); (S.W.K.); (B.G.K.); (J.H.C.); (J.L.)
| | - Hyunsu Choi
- Clinical Research Institute, Daejeon St. Mary’s Hospital, Daejeon 34943, Republic of Korea; (H.C.); (J.-M.O.)
| | - Jeong-Min Oh
- Clinical Research Institute, Daejeon St. Mary’s Hospital, Daejeon 34943, Republic of Korea; (H.C.); (J.-M.O.)
| | - Sung Won Kim
- Department of Otorhinolaryngology Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea; (J.-S.K.); (S.W.K.); (S.W.K.); (B.G.K.); (J.H.C.); (J.L.)
| | - Soo Whan Kim
- Department of Otorhinolaryngology Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea; (J.-S.K.); (S.W.K.); (S.W.K.); (B.G.K.); (J.H.C.); (J.L.)
| | - Byung Guk Kim
- Department of Otorhinolaryngology Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea; (J.-S.K.); (S.W.K.); (S.W.K.); (B.G.K.); (J.H.C.); (J.L.)
| | - Jin Hee Cho
- Department of Otorhinolaryngology Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea; (J.-S.K.); (S.W.K.); (S.W.K.); (B.G.K.); (J.H.C.); (J.L.)
| | - Joohyung Lee
- Department of Otorhinolaryngology Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea; (J.-S.K.); (S.W.K.); (S.W.K.); (B.G.K.); (J.H.C.); (J.L.)
| | - Dong Chang Lee
- Department of Otorhinolaryngology Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea; (J.-S.K.); (S.W.K.); (S.W.K.); (B.G.K.); (J.H.C.); (J.L.)
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216
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Hu P, Yan T, Lv S, Ye M, Wu M, Fang H, Xiao B. Exosomal HMGB3 released by glioma cells confers the activation of NLRP3 inflammasome and pyroptosis in tumor-associated macrophages. Tissue Cell 2024; 88:102406. [PMID: 38761792 DOI: 10.1016/j.tice.2024.102406] [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: 12/26/2023] [Revised: 05/07/2024] [Accepted: 05/09/2024] [Indexed: 05/20/2024]
Abstract
BACKGROUND Previous evidences has highlighted the pivotal role of NOD-like receptor family pyrin domain-containing 3 (NLRP3)-mediated inflammasomes and pyroptosis activation in driving tumor malignancy and shaping the tumor microenvironment. Herein, we aimed to elucidate the impact of high-mobility group box 3 (HMGB3) released in glioma-derived exosomes on macrophage infiltration in gliomas, NLRP3 inflammasome activation and polarization. METHODS Transcripts and protein levels of HMGB3, and cytokines associated with macrophage phenotypes and pyroptosis were assessed in glioma tissues and cell lines (U251, LN229, T98G, A172) using qRT-PCR and/or Western blot analysis. Exosomes secreted from LN229 and NHA cells were isolated via differential ultracentrifugation and characterized by transmission electron microscopy (TEM), nanoparticle tracking analysis (NTA), and analysis of exosome-related markers. PKH67 staining was employed to examine exosomes uptake by THP-1 differentiated macrophages. Flow cytometry was utilized to assess macrophage pyroptotic rates and polarization-related markers. RESULTS HMGB3 expression was elevated in glioma tissues, serum samples and tumor cell lines. Kaplan-Meier curves revealed a positive correlation between higher HMGB3 expression and poor overall survival and recurrence-free survival. Moreover, glioma tissues with increased HMGB3 expression exhibited significant upregulation of M2 macrophages markers (CD68, CD206, Arg1) and NLRP3 inflammasome components (NLRP3, IL-1β, ASC), suggesting that HMGB3 was closely associated with macrophage infiltration and NLRP3 inflammasome activation. Notably, HMGB3 was found to be enriched in glioma cell- secreted exosomes and could be internalized by macrophages. Knockdown of HMGB3 in glioma cell exosomes could restrain M2 macrophage polarization, NLRP3 inflammasome activation and pyroptosis. CONCLUSION These findings suggested that glioma cells secreted exosomal HMGB3 could facilitate macrophage M2 polarization, pyroptosis and inflammatory infiltration, indicating HMGB3 might be a poor prognosis factor for glioma.
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Affiliation(s)
- Ping Hu
- Department of Neurosurgery, the 2nd affiliated hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province 330006, PR China
| | - Tengfeng Yan
- Department of Neurosurgery, the 2nd affiliated hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province 330006, PR China
| | - Shigang Lv
- Department of Neurosurgery, the 2nd affiliated hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province 330006, PR China
| | - Minhua Ye
- Department of Neurosurgery, the 2nd affiliated hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province 330006, PR China
| | - Miaojing Wu
- Department of Neurosurgery, the 2nd affiliated hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province 330006, PR China
| | - Hua Fang
- Department of Neurosurgery, the 2nd affiliated hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province 330006, PR China
| | - Bing Xiao
- Department of Neurosurgery, the 2nd affiliated hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province 330006, PR China.
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217
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Zhang M, Lan X, Gao Y, Zou Y, Li S, Liang Y, Janowski M, Walczak P, Chu C. Activation of NLRP3 inflammasome in a rat model of cerebral small vessel disease. Exp Brain Res 2024; 242:1387-1397. [PMID: 38563979 DOI: 10.1007/s00221-024-06824-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Accepted: 03/18/2024] [Indexed: 04/04/2024]
Abstract
Cerebral small vessel disease (CSVD) is increasingly being recognized as a leading contributor to cognitive impairment in the elderly. However, there is a lack of effective preventative or therapeutic options for CSVD. In this exploratory study, we investigated the interplay between neuroinflammation and CSVD pathogenesis as well as the cognitive performance, focusing on NLRP3 signaling as a new therapeutic target. Spontaneously hypertensive stroke-prone (SHRSP) rats served as a CSVD model. We found that SHRSP rats showed decline in learning and memory abilities using morris water maze test. Activated NLRP3 signaling and an increased expression of the downstream pro-inflammatory factors, including IL (interleukin)-6 and tumor necrosis factor α were determined. We also observed a remarkable increase in the production of pyroptosis executive protein gasdermin D, and elevated astrocytic and microglial activation. In addition, we identify several neuropathological hallmarks of CSVD, including blood-brain barrier breakdown, white matter damage, and endothelial dysfunction. These results were in correlation with the activation of NLRP3 inflammasome. Thus, our findings reveal that the NLRP3-mediated inflammatory pathway could play a central role in the pathogenesis of CSVD, presenting a novel target for potential CSVD treatment.
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Affiliation(s)
- Meiyan Zhang
- Department of Neurology, Central Hospital of Dalian University of Technology, Dalian, Liaoning, 116033, P.R. China
| | - Xiaoyan Lan
- Department of Neurology, Central Hospital of Dalian University of Technology, Dalian, Liaoning, 116033, P.R. China
| | - Yue Gao
- Department of Neurology, Central Hospital of Dalian University of Technology, Dalian, Liaoning, 116033, P.R. China
| | - Yu Zou
- Department of Neurology, Central Hospital of Dalian University of Technology, Dalian, Liaoning, 116033, P.R. China
| | - Shen Li
- Department of Neurology and Psychiatry, Beijing Shijitan Hospital, Capital Medical University, Beijing, 100038, P.R. China
| | - Yajie Liang
- Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
| | - Miroslaw Janowski
- Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
| | - Piotr Walczak
- Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
| | - Chengyan Chu
- Department of Neurology, Central Hospital of Dalian University of Technology, Dalian, Liaoning, 116033, P.R. China.
- Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland School of Medicine, Baltimore, MD, 21201, USA.
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Su L, Guo P, Guo X, He Z, Zhao Y, Zong Y, Li J, Chen W, DU R. Paeoniflorin alleviates depression by inhibiting the activation of NLRP3 inflammasome via promoting mitochondrial autophagy. Chin J Nat Med 2024; 22:515-529. [PMID: 38906599 DOI: 10.1016/s1875-5364(24)60654-0] [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: 11/23/2023] [Indexed: 06/23/2024]
Abstract
Depression ranks among the most common neuropsychiatric disorders globally. Current studies examining the roles of inflammation and mitochondrial autophagy in the antidepressant efficacy of paeoniflorin (PF) are sparse. This study aimed to elucidate PF's antidepressant mechanism by promoting autophagy and inhibiting NLRP3 inflammasome activation using chronic unpredictable mild stimulation (CUMS)-induced C57BL/6 mouse models in vivo and corticosterone (CORT)-induced HT22 cell models in vitro. Results demonstrated that PF enhanced the viability of HT22 cells following CORT exposure, restored mitochondrial membrane potential (MMP), reduced reactive oxygen species accumulation, increased LC3 fluorescence intensity, and suppressed inflammatory cytokine secretion and inflammation activation. Additionally, PF ameliorated depressive behaviors induced by CUMS and improved damage in hippocampal neurons. It also reduced the expression of NLRP3, ASC, Caspase-1, IL-1β, and the assembly of the NLRP3 inflammasome. Moreover, PF upregulated the expression of autophagy-related proteins in the hippocampus, facilitating the clearance of damaged mitochondria and enhancing autophagy. The role of autophagy in PF's antidepressant effects was further confirmed through the use of the autophagy inhibitor 3-methyladenine (3-MA), which reduced the efficacy of PF. In conclusion, PF effectively improved depressive behaviors in CUMS-induced mice and reduced NLRP3-mediated inflammation both in vivo and in vitro, likely via the induction of autophagy.
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Affiliation(s)
- Lili Su
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China.
| | - Pengli Guo
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
| | - Xiangjuan Guo
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
| | - Zhongmei He
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
| | - Yan Zhao
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
| | - Ying Zong
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
| | - Jianming Li
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
| | - Weijia Chen
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China.
| | - Rui DU
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China; Jilin Provincial Engineering Research Center for Efficient Breeding and Product Development of Sika Deer, Changchun 130118, China; Key Laboratory of Animal Production and Product Quality and Security, Ministry of Education, Ministry of National Education, Changchun 130118, China.
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Huang L, Tan X, Xuan W, Luo Q, Xie L, Xi Y, Li R, Li L, Li F, Zhao M, Jiang Y, Wu X. Ficolin-A/2 Aggravates Severe Lung Injury through Neutrophil Extracellular Traps Mediated by Gasdermin D-Induced Pyroptosis. THE AMERICAN JOURNAL OF PATHOLOGY 2024; 194:989-1006. [PMID: 38442803 DOI: 10.1016/j.ajpath.2024.02.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 01/15/2024] [Accepted: 02/06/2024] [Indexed: 03/07/2024]
Abstract
Neutrophil extracellular traps (NETs) and pyroptosis are critical events in lung injury. This study investigated whether ficolin-A influenced NET formation through pyroptosis to exacerbate lipopolysaccharide (LPS)-induced lung injury. The expression of ficolin-A/2, NETs, and pyroptosis-related molecules was investigated in animal and cell models. Knockout and knockdown (recombinant protein) methods were used to elucidate regulatory mechanisms. The Pearson correlation coefficient was used to analyze the correlation between ficolins and pyroptosis- and NET-related markers in clinical samples. In this study, ficolin-2 (similar to ficolin-A) showed significant overexpression in patients with acute respiratory distress syndrome. In vivo, knockout of Fcna, but not Fcnb, attenuated lung inflammation and inhibited NET formation in the LPS-induced mouse model. DNase I further alleviated lung inflammation and NET formation in Fcna knockout mice. In vitro, neutrophils derived from Fcna-/- mice showed less pyroptosis and necroptosis than those from the control group after LPS stimulation. Additionally, GSDMD knockdown or Nod-like receptor protein 3 inhibitor reduced NET formation. Addition of recombinant ficolin-2 protein to human peripheral blood neutrophils promoted NET formation and pyroptosis after LPS stimulation, whereas Fcn2 knockdown had the opposite effect. Acute respiratory distress syndrome patients showed increased levels of pyroptosis- and NET-related markers, which were correlated positively with ficolin-2 levels. In conclusion, these results suggested that ficolin-A/2 exacerbated NET formation and LPS-induced lung injury via gasdermin D-mediated pyroptosis.
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Affiliation(s)
- Li Huang
- Department of Pediatrics, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha, China; Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha, China
| | - Xiaowu Tan
- Pulmonary and Critical Care Medicine, The Second Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, China
| | - Weixia Xuan
- Department of Respiratory and Critical Care Medicine, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, China
| | - Qing Luo
- Pulmonary and Critical Care Medicine, The Second Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, China
| | - Li Xie
- Pulmonary and Critical Care Medicine, The Second Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, China
| | - Yunzhu Xi
- Pulmonary and Critical Care Medicine, The Second Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, China
| | - Rong Li
- Pulmonary and Critical Care Medicine, The Second Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, China
| | - Li Li
- Pulmonary and Critical Care Medicine, The Second Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, China
| | - Feifan Li
- Pulmonary and Critical Care Medicine, The Second Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, China
| | - Meiyun Zhao
- Pulmonary and Critical Care Medicine, The Second Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, China
| | - Yongliang Jiang
- Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha, China.
| | - Xu Wu
- Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha, China; Pulmonary and Critical Care Medicine, The Second Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, China.
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Di C, Ji M, Li W, Liu X, Gurung R, Qin B, Ye S, Qi R. Pyroptosis of Vascular Smooth Muscle Cells as a Potential New Target for Preventing Vascular Diseases. Cardiovasc Drugs Ther 2024:10.1007/s10557-024-07578-w. [PMID: 38822974 DOI: 10.1007/s10557-024-07578-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/14/2024] [Indexed: 06/03/2024]
Abstract
Vascular remodeling is the adaptive response of the vessel wall to physiological and pathophysiological changes, closely linked to vascular diseases. Vascular smooth muscle cells (VSMCs) play a crucial role in this process. Pyroptosis, a form of programmed cell death characterized by excessive release of inflammatory factors, can cause phenotypic transformation of VSMCs, leading to their proliferation, migration, and calcification-all of which accelerate vascular remodeling. Inhibition of VSMC pyroptosis can delay this process. This review summarizes the impact of pyroptosis on VSMCs and the pathogenic role of VSMC pyroptosis in vascular remodeling. We also discuss inhibitors of key proteins in pyroptosis pathways and their effects on VSMC pyroptosis. These findings enhance our understanding of the pathogenesis of vascular remodeling and provide a foundation for the development of novel medications that target the control of VSMC pyroptosis as a potential treatment strategy for vascular diseases.
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Affiliation(s)
- Chang Di
- Department of Pharmacology, School of Basic Medical Sciences, Peking University Health Science Center, 38 Xueyuan Road, Beijing, 100191, Haidian District, China.
- State Key Laboratory of Vascular Homeostasis and Remodeling, Peking University, Beijing, 100191, China.
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100191, China.
- NHC Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Peking University, Beijing, 100191, China.
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, Peking University, Beijing, 100191, China.
| | - Meng Ji
- Department of Pharmacology, School of Basic Medical Sciences, Peking University Health Science Center, 38 Xueyuan Road, Beijing, 100191, Haidian District, China
- State Key Laboratory of Vascular Homeostasis and Remodeling, Peking University, Beijing, 100191, China
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100191, China
- NHC Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Peking University, Beijing, 100191, China
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, Peking University, Beijing, 100191, China
| | - Wenjin Li
- Department of Pharmacology, School of Basic Medical Sciences, Peking University Health Science Center, 38 Xueyuan Road, Beijing, 100191, Haidian District, China
- State Key Laboratory of Vascular Homeostasis and Remodeling, Peking University, Beijing, 100191, China
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100191, China
- NHC Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Peking University, Beijing, 100191, China
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, Peking University, Beijing, 100191, China
| | - Xiaoyi Liu
- Department of Pharmacology, School of Basic Medical Sciences, Peking University Health Science Center, 38 Xueyuan Road, Beijing, 100191, Haidian District, China
- State Key Laboratory of Vascular Homeostasis and Remodeling, Peking University, Beijing, 100191, China
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100191, China
- NHC Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Peking University, Beijing, 100191, China
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, Peking University, Beijing, 100191, China
| | - Rijan Gurung
- Cardiovascular Disease Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117599, Singapore
| | - Boyang Qin
- Department of Pharmacology, School of Basic Medical Sciences, Peking University Health Science Center, 38 Xueyuan Road, Beijing, 100191, Haidian District, China
- State Key Laboratory of Vascular Homeostasis and Remodeling, Peking University, Beijing, 100191, China
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100191, China
- NHC Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Peking University, Beijing, 100191, China
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, Peking University, Beijing, 100191, China
| | - Shu Ye
- Cardiovascular Disease Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117599, Singapore
| | - Rong Qi
- Department of Pharmacology, School of Basic Medical Sciences, Peking University Health Science Center, 38 Xueyuan Road, Beijing, 100191, Haidian District, China.
- State Key Laboratory of Vascular Homeostasis and Remodeling, Peking University, Beijing, 100191, China.
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100191, China.
- NHC Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Peking University, Beijing, 100191, China.
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, Peking University, Beijing, 100191, China.
- Cardiovascular Disease Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117599, Singapore.
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Ahmed A, Khan AU, Nadeem H, Imran M, Irshad N. Pharmacological evaluation of newly synthesized benzimidazole derivative for anti-Alzheimer potential. Int J Neurosci 2024; 134:635-651. [PMID: 36259511 DOI: 10.1080/00207454.2022.2138382] [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: 07/13/2022] [Revised: 09/16/2022] [Accepted: 09/26/2022] [Indexed: 01/01/2023]
Abstract
Backgound: Alzheimer disease (AD) is a disastrous disease characterized by accretion of amyloid-beta plaques, neurofibrillary tangles inducing oxidative stress, loss of neuronal functions and continuous progression of cognitive impairment leading to severe dementia. Material and Methods: The newly synthesized benzimidazole derivative 4-chloro-3-(2-phenyl-1H-benzimidazole-1-sulfonyl) benzoic acid (CB) was evaluated for its anti-Alzheimer activity using in silico, in vivo, in vitro and molecular techniques (ELISA, WB & IHC). Results: In-silico studies revealed that CB has atomic contact energy values of -3.9 to -8.9 kcal/mol against selected targets. In vitro assay showed that CB caused acetylcholinesterase (AChE) and diphenyl-1-picrylhydrazyl inhibition. In-vivo findings revealed improvement in dementia as observed in the morris water maze test and Ymaze test. Amyloid-beta disaggregation, increased level of anti-oxidants, decreased expressions of inflammatory markers and enhanced cellular architecture were found in the cortex and hippocampus of treated rats in the histopathological examination, immunohistochemistry analysis, enzyme-linked immunosorbent assay and western blot analysis. Conclusions: This study revealed that CB possess different binding affinities with the Alzheimer-related targets and it possess anti-Alzheimer activity, mediated via AChE and amyloid-beta inhibition, anti-oxidant and anti-inflammatory pathways.
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Affiliation(s)
- Aleeza Ahmed
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, Pakistan
| | - Arif-Ullah Khan
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, Pakistan
| | - Humaira Nadeem
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, Pakistan
| | - Muhammad Imran
- Iqra Department Of Pharmacy, Iqra University, Islamabad, Pakistan
| | - Nadeem Irshad
- Department of Pharmacy, Quaid-i-Azam University, Islamabad, Pakistan
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222
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Blijlevens NMA, Reijnders B, Molendijk E. Gastrointestinal mucositis: a sign of a (systemic) inflammatory response. Curr Opin Support Palliat Care 2024; 18:78-85. [PMID: 38652460 DOI: 10.1097/spc.0000000000000701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Abstract
PURPOSE OF REVIEW Gastrointestinal mucositis (GIM) is a significant complication of cancer therapy. Whilst inflammation is a central feature of GIM, studies attempting to mitigate mucosal damage via this mechanism are scarce. This review describes the relation between GIM, local and systemic inflammation, and the microbiome and its metabolites, and explores recent research on therapeutics that target this relationship. RECENT FINDINGS Recent literature underscores the pivotal role of inflammation in GIM, elucidating its bidirectional relation with disturbance of the gut microbiota composition and intestinal permeability. These events cause a heightened risk of bloodstream infections and lead to systemic inflammation. While studies investigating risk prediction models or therapeutics targeting GIM-related inflammation remain scarce, results have shown promise in finding biomarkers and alleviating GIM and its accompanying clinical symptoms. SUMMARY The findings underscore the important role of inflammation and the microbiome in GIM. Understanding the inflammatory pathways driving GIM is crucial for developing effective treatments. Further research is needed using genomics, epigenomics, and microbiomics to explore better risk prediction models or therapeutic strategies aimed at mitigating GIM-related inflammation.
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223
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Wissemann J, Heidenreich A, Zimmermann H, Engelmann J, Jansen J, Suchanek D, Westermann D, Wolf D, Stachon P, Merz J. ADP as a novel stimulus for NLRP3-inflammasome activation in mice fails to translate to humans. Purinergic Signal 2024; 20:291-302. [PMID: 37410223 PMCID: PMC11189352 DOI: 10.1007/s11302-023-09953-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Accepted: 06/21/2023] [Indexed: 07/07/2023] Open
Abstract
The NLRP3-inflammasome is a cytosolic multiprotein complex that triggers an inflammatory response to certain danger signals. Recently adenosine diphosphate (ADP) was found to activate the NLRP3-inflammasome in murine macrophages via the P2Y1 receptor. Blockade of this signaling pathway reduced disease severity in a murine colitis-model. However, the role of the ADP/P2Y1-axis has not yet been studied in humans. This present study confirmed ADP-dependent NLRP3-inflammasome activation in murine macrophages, but found no evidence for a role of ADP in inflammasome activation in humans. We investigated the THP1 cell line as well as primary monocytes and further looked at macrophages. Although all cells express the three human ADP-receptors P2Y1, P2Y12 and P2Y13, independent of priming, neither increased ASC-speck formation could be detected with flow cytometry nor additional IL-1β release be found in the culture supernatant of ADP stimulated cells. We now show for the first time that the responsiveness of monocytes and macrophages to ADP as well as the regulation of its purinergic receptors is very much dependent on the species. Therefore the signaling pathway found to contribute to colitis in mice is likely not applicable to humans.
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Affiliation(s)
- Julius Wissemann
- Cardiology and Angiology, Medical Center, University Heart Center Freiburg-Bad Krozingen, University of Freiburg, Freiburg, Germany
| | - Adrian Heidenreich
- Cardiology and Angiology, Medical Center, University Heart Center Freiburg-Bad Krozingen, University of Freiburg, Freiburg, Germany
| | - Helene Zimmermann
- Cardiology and Angiology, Medical Center, University Heart Center Freiburg-Bad Krozingen, University of Freiburg, Freiburg, Germany
| | - Juliane Engelmann
- Cardiology and Angiology, Medical Center, University Heart Center Freiburg-Bad Krozingen, University of Freiburg, Freiburg, Germany
| | - Jasper Jansen
- Cardiology and Angiology, Medical Center, University Heart Center Freiburg-Bad Krozingen, University of Freiburg, Freiburg, Germany
| | - Dymphie Suchanek
- Cardiology and Angiology, Medical Center, University Heart Center Freiburg-Bad Krozingen, University of Freiburg, Freiburg, Germany
| | - Dirk Westermann
- Cardiology and Angiology, Medical Center, University Heart Center Freiburg-Bad Krozingen, University of Freiburg, Freiburg, Germany
| | - Dennis Wolf
- Cardiology and Angiology, Medical Center, University Heart Center Freiburg-Bad Krozingen, University of Freiburg, Freiburg, Germany
| | - Peter Stachon
- Cardiology and Angiology, Medical Center, University Heart Center Freiburg-Bad Krozingen, University of Freiburg, Freiburg, Germany
| | - Julian Merz
- Cardiology and Angiology, Medical Center, University Heart Center Freiburg-Bad Krozingen, University of Freiburg, Freiburg, Germany.
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224
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Liu Q, Jiao L, Ye MS, Ma Z, Yu J, Su LY, Zou WY, Yang LX, Chen C, Yao YG. GSNOR negatively regulates the NLRP3 inflammasome via S-nitrosation of MAPK14. Cell Mol Immunol 2024; 21:561-574. [PMID: 38570588 PMCID: PMC11143353 DOI: 10.1038/s41423-024-01155-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Accepted: 03/17/2024] [Indexed: 04/05/2024] Open
Abstract
Hyperactivation of the NLRP3 inflammasome has been implicated in the pathogenesis of numerous diseases. However, the precise molecular mechanisms that modulate the transcriptional regulation of NLRP3 remain largely unknown. In this study, we demonstrated that S-nitrosoglutathione reductase (GSNOR) deficiency in macrophages leads to significant increases in the Nlrp3 and Il-1β expression levels and interleukin-1β (IL-1β) secretion in response to NLRP3 inflammasome stimulation. Furthermore, in vivo experiments utilizing Gsnor-/- mice revealed increased disease severity in both lipopolysaccharide (LPS)-induced septic shock and dextran sodium sulfate (DSS)-induced colitis models. Additionally, we showed that both LPS-induced septic shock and DSS-induced colitis were ameliorated in Gsnor-/- Nlrp3-/- double-knockout (DKO) mice. Mechanistically, GSNOR deficiency increases the S-nitrosation of mitogen-activated protein kinase 14 (MAPK14) at the Cys211 residue and augments MAPK14 kinase activity, thereby promoting Nlrp3 and Il-1β transcription and stimulating NLRP3 inflammasome activity. Our findings suggested that GSNOR is a regulator of the NLRP3 inflammasome and that reducing the level of S-nitrosylated MAPK14 may constitute an effective strategy for alleviating diseases associated with NLRP3-mediated inflammation.
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Affiliation(s)
- Qianjin Liu
- Key Laboratory of Genetic Evolution & Animal Models, and Key Laboratory of Animal Models & Human Disease Mechanisms of Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, 650201, Kunming, Yunnan, China.
| | - Lijin Jiao
- Key Laboratory of Genetic Evolution & Animal Models, and Key Laboratory of Animal Models & Human Disease Mechanisms of Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, 650201, Kunming, Yunnan, China
| | - Mao-Sen Ye
- Key Laboratory of Genetic Evolution & Animal Models, and Key Laboratory of Animal Models & Human Disease Mechanisms of Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, 650201, Kunming, Yunnan, China
| | - Zhiyu Ma
- Key Laboratory of Genetic Evolution & Animal Models, and Key Laboratory of Animal Models & Human Disease Mechanisms of Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, 650201, Kunming, Yunnan, China
- Kunming College of Life Science, University of Chinese Academy of Sciences, 650204, Kunming, Yunnan, China
| | - Jinsong Yu
- Key Laboratory of Genetic Evolution & Animal Models, and Key Laboratory of Animal Models & Human Disease Mechanisms of Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, 650201, Kunming, Yunnan, China
| | - Ling-Yan Su
- Key Laboratory of Genetic Evolution & Animal Models, and Key Laboratory of Animal Models & Human Disease Mechanisms of Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, 650201, Kunming, Yunnan, China
| | - Wei-Yin Zou
- Key Laboratory of Genetic Evolution & Animal Models, and Key Laboratory of Animal Models & Human Disease Mechanisms of Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, 650201, Kunming, Yunnan, China
- Kunming College of Life Science, University of Chinese Academy of Sciences, 650204, Kunming, Yunnan, China
| | - Lu-Xiu Yang
- Key Laboratory of Genetic Evolution & Animal Models, and Key Laboratory of Animal Models & Human Disease Mechanisms of Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, 650201, Kunming, Yunnan, China
| | - Chang Chen
- Key Laboratory of Biomacromolecules (CAS), National Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, 100101, Beijing, China
| | - Yong-Gang Yao
- Key Laboratory of Genetic Evolution & Animal Models, and Key Laboratory of Animal Models & Human Disease Mechanisms of Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, 650201, Kunming, Yunnan, China.
- Kunming College of Life Science, University of Chinese Academy of Sciences, 650204, Kunming, Yunnan, China.
- KIZ/CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Kunming Institute of Zoology, Chinese Academy of Sciences, 650201, Kunming, Yunnan, China.
- National Research Facility for Phenotypic & Genetic Analysis of Model Animals (Primate Facility), National Resource Center for Non-Human Primates, Kunming Institute of Zoology, Chinese Academy of Sciences, 650201, Kunming, China.
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225
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Tan JJ, Dai YF, Wang F, Lv ZH, Huang LJ, Peng LY, Li XP. Pepsin-mediated inflammation in laryngopharyngeal reflux via the ROS/NLRP3/IL-1β signaling pathway. Cytokine 2024; 178:156568. [PMID: 38471420 DOI: 10.1016/j.cyto.2024.156568] [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: 09/29/2023] [Revised: 02/19/2024] [Accepted: 03/01/2024] [Indexed: 03/14/2024]
Abstract
BACKGROUND Laryngopharyngeal reflux (LPR) is one of the most common disorders in otorhinolaryngology, affecting up to 10% of outpatients visiting otolaryngology departments. In addition, 50% of hoarseness cases are related to LPR. Pepsin reflux-induced aseptic inflammation is a major trigger of LPR; however, the underlying mechanisms are unclear. The nucleotide-binding domain and leucine-rich repeat protein 3 (NLRP3) inflammasome has become an important bridge between stimulation and sterile inflammation and is activated by intracellular reactive oxygen species (ROS) in response to danger signals, leading to an inflammatory cascade. In this study, we aimed to determine whether pepsin causes LPR-associated inflammatory injury via mediating inflammasome activation and explore the potential mechanism. METHODS We evaluated NLRP3 inflammasome expression and ROS in the laryngeal mucosa using immunofluorescence and immunohistochemistry. Laryngeal epithelial cells were exposed to pepsin and analyzed using flow cytometry, western blotting, and real-time quantitative PCR to determine ROS, NLRP3, and pro-inflammatorycytokine levels. RESULTS Pepsin expression was positively correlated with ROS as well as caspase-1 and IL-1β levels in laryngeal tissues. Intracellular ROS levels were elevated by increased pepsin concentrations, which were attenuated by apocynin (APO)-a ROS inhibitor-in vitro. Furthermore, pepsin significantly induced the mRNA and protein expression of thioredoxin-interacting protein, NLRP3, caspase-1, and IL-1β in a dose-dependent manner. APO and the NLRP3 inhibitor, MCC950, inhibited NLRP3 inflammasome formation and suppressed laryngeal epithelial cell damage. CONCLUSION Our findings verified that pepsin could regulate the NLRP3/IL-1β signaling pathway through ROS activation and further induce inflammatory injury in LPR. Targeting the ROS/NLRP3 inflammasome signaling pathway may help treat patients with LPR disease.
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Affiliation(s)
- Jia-Jie Tan
- Department of Otolaryngology, Head and Neck Surgery, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Yuan-Feng Dai
- Department of Otolaryngology, Head and Neck Surgery, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Fan Wang
- Department of Otolaryngology, Head and Neck Surgery, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Ze-Hong Lv
- Department of Otolaryngology, Head and Neck Surgery, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Li-Jun Huang
- Department of Otolaryngology, Head and Neck Surgery, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Ling-Yi Peng
- Department of Otolaryngology, Head and Neck Surgery, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Xiang-Ping Li
- Department of Otolaryngology, Head and Neck Surgery, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China.
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226
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Johnston LA, Nagalla RR, Li M, Whitley SK. IL-17 Control of Cutaneous Immune Homeostasis. J Invest Dermatol 2024; 144:1208-1216. [PMID: 38678465 DOI: 10.1016/j.jid.2023.11.016] [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: 07/26/2023] [Revised: 11/10/2023] [Accepted: 11/23/2023] [Indexed: 05/01/2024]
Abstract
IL-17 is widely recognized for its roles in host defense and inflammatory disorders. However, it has become clear that IL-17 is also an essential regulator of barrier tissue physiology. Steady-state microbe sensing at the skin surface induces low-level IL-17 expression that enhances epithelial integrity and resists pathogens without causing overt inflammation. Recent reports describe novel protective roles for IL-17 in wound healing and counteracting physiologic stress; however, chronic amplification of these beneficial responses contributes to skin pathologies as diverse as fibrosis, cancer, and autoinflammation. In this paper, we discuss the context-specific roles of IL-17 in skin health and disease and therapeutic opportunities.
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Affiliation(s)
- Leah A Johnston
- Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Raji R Nagalla
- Medical Scientist Training Program, School of Medicine, University of California, Irvine, Irvine, California, USA
| | - Mushi Li
- Department of Dermatology, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
| | - Sarah K Whitley
- Department of Dermatology, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA; Autoimmune Therapeutics Institute, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA; NeuroNexus Institute, University of Massachusetts Chan Medical School, Worcester, Massachusettes, USA.
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Shadab A, Abbasi-Kolli M, Saharkhiz M, Ahadi SH, Shokouhi B, Nahand JS. The interplay between mitochondrial dysfunction and NLRP3 inflammasome in multiple sclerosis: Therapeutic implications and animal model studies. Biomed Pharmacother 2024; 175:116673. [PMID: 38713947 DOI: 10.1016/j.biopha.2024.116673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Revised: 04/22/2024] [Accepted: 04/24/2024] [Indexed: 05/09/2024] Open
Abstract
Multiple sclerosis (MS) is a complex autoimmune disorder that impacts the central nervous system (CNS), resulting in inflammation, demyelination, and neurodegeneration. The NOD-like receptor (NLR) family pyrin domain-containing 3 (NLRP3) inflammasome, a multiprotein complex of the innate immune system, serves an essential role in the pathogenesis of MS by regulating the production of pro-inflammatory cytokines (IL-1β & IL-18) and the induction of pyroptotic cell death. Mitochondrial dysfunction is one of the main potential factors that can trigger NLRP3 inflammasome activation and lead to inflammation and axonal damage in MS. This highlights the importance of understanding how mitochondrial dynamics modulate NLRP3 inflammasome activity and contribute to the inflammatory and neurodegenerative features of MS. The lack of a comprehensive understanding of the pathogenesis of MS and the urge for the introduction of new therapeutic strategies led us to review the therapeutic potential of targeting the interplay between mitochondrial dysfunction and the NLRP3 inflammasome in MS. This paper also evaluates the natural and synthetic compounds that can improve mitochondrial function and/or inhibit the NLRP3 inflammasome, thereby providing neuroprotection. Moreover, it summarizes the evidence from animal models of MS that demonstrate the beneficial effects of these compounds on reducing inflammation, demyelination, and neurodegeneration. Finally, this review advocates for a deeper investigation into the molecular crosstalk between mitochondrial dynamics and the NLRP3 inflammasome as a means to refine therapeutic targets for MS.
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Affiliation(s)
- Alireza Shadab
- Deputy of Health, Iran University of Medical Sciences, Tehran, Iran; Department of Immunology, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Mohammad Abbasi-Kolli
- Deputy of Health, Iran University of Medical Sciences, Tehran, Iran; Department of Medical Genetics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Mansoore Saharkhiz
- Department of immunology, Faculty of Medicine, Birjand University of Medical Sciences, Birjand, Iran; Cellular and molecular research center, Birjand University of medical sciences, Birjand, Iran
| | | | - Behrooz Shokouhi
- Pathology Department, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Javid Sadri Nahand
- Infectious and Tropical Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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Teo F, Kok CYL, Tan MJ, Je HS. Human pluripotent stem cell (hPSC)-derived microglia for the study of brain disorders. A comprehensive review of existing protocols. IBRO Neurosci Rep 2024; 16:497-508. [PMID: 38655500 PMCID: PMC11035045 DOI: 10.1016/j.ibneur.2024.03.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 03/06/2024] [Indexed: 04/26/2024] Open
Abstract
Microglia, resident immune cells of the brain that originate from the yolk sac, play a critical role in maintaining brain homeostasis by monitoring and phagocytosing pathogens and cellular debris in the central nervous system (CNS). While they share characteristics with myeloid cells, they are distinct from macrophages. In response to injury, microglia release pro-inflammatory factors and contribute to brain homeostasis through activities such as synapse pruning and neurogenesis. To better understand their role in neurological disorders, the generation of in vitro models of human microglia has become essential. These models, derived from patient-specific induced pluripotent stem cells (iPSCs), provide a controlled environment to study the molecular and cellular mechanisms underlying microglia-mediated neuroinflammation and neurodegeneration. The incorporation or generation of microglia into three-dimensional (3D) organoid cultures provides a more physiologically relevant environment that offers further opportunities to study microglial dynamics and disease modeling. This review describes several protocols that have been recently developed for the generation of human-induced microglia. Importantly, it highlights the promise of these in vitro models in advancing our understanding of brain disorders and facilitating personalized drug screening.
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Affiliation(s)
- Fionicca Teo
- Program in Neuroscience and Behavioral Disorders, Duke-NUS Medical School, 8 College Road, Singapore 169857, Singapore
| | - Catherine Yen Li Kok
- Program in Neuroscience and Behavioral Disorders, Duke-NUS Medical School, 8 College Road, Singapore 169857, Singapore
| | - Mao-Jia Tan
- Program in Neuroscience and Behavioral Disorders, Duke-NUS Medical School, 8 College Road, Singapore 169857, Singapore
| | - H. Shawn Je
- Program in Neuroscience and Behavioral Disorders, Duke-NUS Medical School, 8 College Road, Singapore 169857, Singapore
- Advanced Bioimaging Centre, SingHealth, Academia, 20 College Road, Singapore 169856, Singapore
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229
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Li X, Sallam T. A (cholesterol) crystal clear path to inflammasome activation in atherosclerosis. J Lipid Res 2024; 65:100554. [PMID: 38705278 PMCID: PMC11153915 DOI: 10.1016/j.jlr.2024.100554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/07/2024] Open
Affiliation(s)
- Xiang Li
- Division of Cardiology, Department of Medicine, UCLA, Los Angeles, CA, USA
| | - Tamer Sallam
- Division of Cardiology, Department of Medicine, UCLA, Los Angeles, CA, USA; Department of Physiology, UCLA, Los Angeles, CA, USA; Molecular Biology Institute, UCLA, Los Angeles, CA, USA.
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Zhang W, Bhandari S, Ding Y, Luo J, Feng B, Jiang Y, Chen T, Wei J, Pan X, Weng H, Ding Z, Chen J, Chen X, Gong Y, Li H, Jin S, Hao Y. Polyunsaturated fatty acid-derived lipid mediator Resolvin D1 alleviates sepsis-induced disseminated intravascular coagulation via Caspase-1/Gasdermin D pyroptotic pathway. Clin Nutr 2024; 43:1372-1383. [PMID: 38678822 DOI: 10.1016/j.clnu.2024.04.020] [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: 03/07/2024] [Revised: 04/15/2024] [Accepted: 04/17/2024] [Indexed: 05/01/2024]
Abstract
BACKGROUND & AIMS Sepsis-induced disseminated intravascular coagulation (DIC) is characterised by abnormal blood clotting resulting from severe infection, contributing to organ dysfunction in sepsis. Resolvin D1 (RvD1) is an endogenous lipid mediator, synthesised from the omega-3 polyunsaturated fatty acid (PUFA) docosahexaenoic acid (DHA) through enzymatic processes involving 15-LOX and 5-LOX. RvD1 is recognised for its protective properties against various inflammatory conditions. This study aims to investigate its potential to modulate coagulation dysfunction in sepsis and to evaluate coagulation disorders in septic patients. METHODS Sepsis models were established by intraperitoneal injection LPS (20 mg/kg) or cecal ligation and puncture (CLP) followed by injection of RvD1 (10 μg/kg) or saline. The impact of RvD1 on coagulation dysfunction was assessed by clotting time and coagulation indicators such as TAT, D-dimer, PAI-1, and fibrinogen. The activity of the coagulation system in vivo was observed by evaluating dynamic microcirculation, platelets and thrombin in mice using intravital microscopy. The effect of RvD1 on pyroptosis was investigated by measuring NOD-like receptor protein 3 (NLRP3), Caspase-1, Caspase-11, and Gasdermin D (GSDMD) levels via western blot. Caspase-1 knockout mice, GSDMD knockout mice and bone marrow-derived macrophages (BMDMs) were used to elucidate the underlying mechanisms. Lastly, the concentration of RvD1 in plasma from septic patients was quantified to explore its relationship with coagulation and pyroptosis. RESULTS RvD1 significantly attenuated coagulation dysfunction in septic mice induced by LPS and CLP, and inhibited Caspase-1/GSDMD-dependent pyroptosis in septic mice and bone marrow-derived macrophages. In septic patients, the plasma concentrations of RvD1 was negatively correlated with both coagulation-related indicators and markers of GSDMD activation. CONCLUSION The results suggest that RvD1 can improve coagulation dysfunction in sepsis by regulating the Caspase-1/GSDMD pyroptotic pathway. Additionally, the concentration of RvD1 in septic patient plasma is related to prognosis and DIC development. RvD1 could be a potential biomarker and a promising therapeutic alternative in sepsis-induced DIC.
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Affiliation(s)
- Wenyan Zhang
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China; Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Wenzhou Medical University, Wenzhou 325027, China; Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, Wenzhou 325027, China
| | - Suwas Bhandari
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China; Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Wenzhou Medical University, Wenzhou 325027, China; Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, Wenzhou 325027, China
| | - Yajun Ding
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China; Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Wenzhou Medical University, Wenzhou 325027, China; Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, Wenzhou 325027, China
| | - Jun Luo
- Department of Pharmacy, Taizhou Women and Children's Hospital of Wenzhou Medical University, Taizhou 317599, China
| | - Bo Feng
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China; Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Wenzhou Medical University, Wenzhou 325027, China; Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, Wenzhou 325027, China
| | - Yating Jiang
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China; Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Wenzhou Medical University, Wenzhou 325027, China; Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, Wenzhou 325027, China
| | - Ting Chen
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China; Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Wenzhou Medical University, Wenzhou 325027, China; Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, Wenzhou 325027, China
| | - Jinling Wei
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China; Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Wenzhou Medical University, Wenzhou 325027, China; Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, Wenzhou 325027, China
| | - Xiaodong Pan
- Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Wenzhou Medical University, Wenzhou 325027, China; Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, Wenzhou 325027, China; Department of Emergency Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China
| | - Haixu Weng
- Department of Critical Care Medicine, The Third Affiliated Hospital of Wenzhou Medical University, Ruian 325207, China
| | - Zhangna Ding
- Department of Critical Care Medicine, The Third Affiliated Hospital of Wenzhou Medical University, Ruian 325207, China
| | - Jie Chen
- Department of Emergency, Third Affiliated Hospital, Wenzhou Medical University, Ruian 325207, China
| | - Xi Chen
- Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Wenzhou Medical University, Wenzhou 325027, China; Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, Wenzhou 325027, China
| | - Yuqiang Gong
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China.
| | - Hui Li
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China; Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Wenzhou Medical University, Wenzhou 325027, China; Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, Wenzhou 325027, China.
| | - Shengwei Jin
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China; Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Wenzhou Medical University, Wenzhou 325027, China; Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, Wenzhou 325027, China.
| | - Yu Hao
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China; Key Laboratory of Pediatric Anesthesiology, Ministry of Education, Wenzhou Medical University, Wenzhou 325027, China; Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University, Wenzhou 325027, China.
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Ren W, Sun Y, Zhao L, Shi X. NLRP3 inflammasome and its role in autoimmune diseases: A promising therapeutic target. Biomed Pharmacother 2024; 175:116679. [PMID: 38701567 DOI: 10.1016/j.biopha.2024.116679] [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: 02/16/2024] [Revised: 04/19/2024] [Accepted: 04/29/2024] [Indexed: 05/05/2024] Open
Abstract
The NOD-like receptor protein 3 (NLRP3) inflammasome is a protein complex that regulates innate immune responses by activating caspase-1 and the inflammatory cytokines IL-1β and IL-18. Numerous studies have highlighted its crucial role in the pathogenesis and development of inflammatory bowel disease, rheumatoid arthritis, systemic lupus erythematosus, autoimmune thyroid diseases, and other autoimmune diseases. Therefore, investigating the underlying mechanisms of NLRP3 in disease and targeted drug therapies holds clinical significance. This review summarizes the structure, assembly, and activation mechanisms of the NLRP3 inflammasome, focusing on its role and involvement in various autoimmune diseases. This review also identifies studies where the involvement of the NLRP3 inflammasome in the disease mechanism within the same disease appears contradictory, as well as differences in NLRP3-related gene polymorphisms among different ethnic groups. Additionally, the latest therapeutic advances in targeting the NLRP3 inflammasome for autoimmune diseases are outlined, and novel clinical perspectives are discussed. Conclusively, this review provides a consolidated source of information on the NLRP3 inflammasome and may guide future research efforts that have the potential to positively impact patient outcomes.
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Affiliation(s)
- Wenxuan Ren
- Department of Endocrinology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110001, China
| | - Ying Sun
- Department of Endocrinology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110001, China
| | - Lei Zhao
- Department of Laboratory Medicine, The First Hospital of China Medical University, Shenyang 110001, Liaoning, China
| | - Xiaoguang Shi
- Department of Endocrinology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110001, China.
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Zhu Y, Chen P, Hu B, Zhong S, Yan K, Wu Y, Li S, Yang Y, Xu Z, Lu Y, Ouyang Y, Bao H, Gu W, Wen L, Zhang Y. MDSC-targeting gold nanoparticles enhance PD-1 tumor immunotherapy by inhibiting NLRP3 inflammasomes. Biomaterials 2024; 307:122533. [PMID: 38493671 DOI: 10.1016/j.biomaterials.2024.122533] [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: 10/16/2023] [Revised: 02/20/2024] [Accepted: 03/09/2024] [Indexed: 03/19/2024]
Abstract
Myeloid-derived suppressor cells (MDSCs) play a crucial role in the immune escape mechanisms that limit the efficacy of immunotherapeutic strategies. In the tumor microenvironment, NLRP3 inflammasome-driven Interleukin-1β (IL-1β) production serves to dampen antitumor immune responses, promoting tumor growth, progression, and immunosuppression. In this study, we revealed that gold nanoparticles (Au NPs) with a size of 30 nm disrupted NLRP3 inflammasome, but not other inflammasomes, in bone marrow-derived macrophages through abrogating NLRP3-NEK7 interactions mediated by reactive oxygen species (ROS). Density functional theory (DFT) calculations provided insights into the mechanism underlying the exceptional ROS scavenging capabilities of Au NPs. Additionally, when coupled with H6, a small peptide targeting MDSCs, Au NPs demonstrated the capacity to effectively reduce IL-1β levels and diminish the MDSCs population in tumor microenvironment, leading to enhanced T cell activation and increased immunotherapeutic efficacy in mouse tumor models that are sensitive and resistant to PD-1 inhibition. Our findings unraveled a novel approach wherein peptide-modified Au NPs relieved the suppressive impact of the tumor microenvironment by inhibiting MDSCs-mediated IL-1β release, which is the first time reported the employing a nanostrategy at modulating MDSCs to reverse the immunosuppressive microenvironment and may hold promise as a potential therapeutic agent for cancer immunotherapy.
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Affiliation(s)
- Yangyang Zhu
- School of Medicine, South China University of Technology, Guangzhou, 510006, China
| | - Pin Chen
- National Supercomputer Center in Guangzhou, School of Data and Computer Science, Sun Yat-Senedi University, 132 East Circle at University City, Guangzhou, 510006, China
| | - Bochuan Hu
- School of Medicine, South China University of Technology, Guangzhou, 510006, China
| | - Suqin Zhong
- School of Medicine, South China University of Technology, Guangzhou, 510006, China
| | - Kai Yan
- Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China
| | - Yu Wu
- Medical Research Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, 510080, China
| | - Shanshan Li
- Medical Research Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, 510080, China
| | - Yinyin Yang
- Medical Research Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, 510080, China
| | - Zexin Xu
- National Supercomputer Center in Guangzhou, School of Data and Computer Science, Sun Yat-Senedi University, 132 East Circle at University City, Guangzhou, 510006, China
| | - Yutong Lu
- National Supercomputer Center in Guangzhou, School of Data and Computer Science, Sun Yat-Senedi University, 132 East Circle at University City, Guangzhou, 510006, China
| | - Ying Ouyang
- Medical Research Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, 510080, China; China-Singapore International Joint Research Institute, Guangzhou, 510700, China
| | - Hui Bao
- Department of Oncology, The Sixth Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou, 510006, China
| | - Weiguang Gu
- Department of Oncology, The Sixth Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou, 510006, China.
| | - Longping Wen
- Medical Research Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, 510080, China.
| | - Yunjiao Zhang
- School of Medicine, South China University of Technology, Guangzhou, 510006, China.
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Xie J, Yang Y, Zhuo A, Gao M, Tang L, Xiao Y, Zhu H, Fu X. Exosomes derived from mesenchymal stem cells attenuate NLRP3-related pyroptosis in autoimmune premature ovarian insufficiency via the NF-κB pathway. Reprod Biomed Online 2024; 48:103814. [PMID: 38569224 DOI: 10.1016/j.rbmo.2024.103814] [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: 07/26/2023] [Revised: 12/25/2023] [Accepted: 01/04/2024] [Indexed: 04/05/2024]
Abstract
RESEARCH QUESTION What is the effect of exosomes derived from bone marrow mesenchymal stem cells (MSC-Exos) on the pyroptosis and recovery of granulosa cells in autoimmune premature ovarian insufficiency (POI)? DESIGN In vitro, KGN cells were exposed to interferon-gamma to simulate immune injury. Samples were collected after a 48 h incubation with MSC-Exos (30 μg/ml). The cell viability, secretion of oestrogen and expression of key molecules in pyroptosis and the nuclear factor kappa B (NF-κB) pathway were tested. In vivo, the BALB/c mouse model of autoimmune POI model induced by zona pellucida glycoprotein 3 was used. Fertility testing and sample collection were applied 4 weeks after the ovarian subcapsular injection of MSC-Exos (150 μg for each ovary). Hormone concentration measurements, follicle counting and pyroptotic pathway analyses were conducted for each group. RESULTS In vitro, MSC-Exos significantly promoted the proliferation rate and secretion of oestrogen, while at the same time suppressing apoptosis and pyroptosis. In vivo, exosomal treatment normalized the irregular oestrous cycles, rescued the follicular loss and increased the pregnancy rate and number of offspring in POI mice. Elevated serum concentrations of oestrogen and anti-Müllerian hormone, as well as decreased concentrations of FSH and interleukin-1β, were shown. Furthermore, MSC-Exos down-regulated the expression of the NLRP3/Casp1/GSDMD pathway and inhibited activation of the NF-κB pathway. CONCLUSIONS These findings demonstrate for the first time that MSC-Exos exert a significant effect on restoring ovarian function in autoimmune POI in vivo and in vitro by suppressing the NLRP3/Casp1/GSDMD pathway and pyroptosis. The NF-κB pathway may contribute to the regulation of NLRP3-related pyroptosis.
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Affiliation(s)
- Jiaxin Xie
- Obstetrics and Gynecology Center, Zhujiang Hospital, Southern Medical University, Guanazhou, Guangdong, China
| | - Yutao Yang
- Obstetrics and Gynecology Center, Zhujiang Hospital, Southern Medical University, Guanazhou, Guangdong, China
| | - Aiping Zhuo
- Obstetrics and Gynecology Center, Zhujiang Hospital, Southern Medical University, Guanazhou, Guangdong, China
| | - Meng Gao
- Obstetrics and Gynecology Center, Zhujiang Hospital, Southern Medical University, Guanazhou, Guangdong, China
| | - Lichao Tang
- Obstetrics and Gynecology Center, Zhujiang Hospital, Southern Medical University, Guanazhou, Guangdong, China
| | - Yuanling Xiao
- Obstetrics and Gynecology Center, Zhujiang Hospital, Southern Medical University, Guanazhou, Guangdong, China
| | - Honglei Zhu
- Obstetrics and Gynecology Center, Zhujiang Hospital, Southern Medical University, Guanazhou, Guangdong, China
| | - Xiafei Fu
- Obstetrics and Gynecology Center, Zhujiang Hospital, Southern Medical University, Guanazhou, Guangdong, China.
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Vieira RR, da Silva RA, Sasso GRS, Franco PC, Borges FT, Lima PDA, Sanches JM, Gil CD, Carbonel AAF. Lack of Annexin A1 Exacerbates Inflammatory Response in Acute Endometritis Model. Inflammation 2024; 47:1041-1052. [PMID: 38198110 DOI: 10.1007/s10753-023-01959-3] [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: 09/25/2023] [Revised: 12/22/2023] [Accepted: 12/25/2023] [Indexed: 01/11/2024]
Abstract
Annexin A1 (AnxA1) is a glucocorticoid-inducible protein and an important endogenous modulator of inflammation. However, its effect in the endometrial microenvironment is poorly explained. This study aimed to evaluate the role of endogenous AnxA1 in an endometritis mouse model induced by lipopolysaccharide (LPS). Female C57BL/6 wild-type (WT) and AnxA1-/- mice were divided into two groups: SHAM and LPS. To induce endometritis, mice received a vaginal infusion of 50 μL of LPS (1 mg/mL) dissolved in phosphate-buffered saline. After 24 h, the mice were euthanized, and blood and uteri samples were collected. The endometrium inflammatory scores were significantly increased in the LPS-treated group. AnxA1-/- mice from the LPS group demonstrated a significant increase in the number of degranulated mast cell levels compared to AnxA1-/- SHAM mice. The Western blotting analysis revealed that a lack of AnxA1 promoted the upregulation of NLRP3 and pro-IL-1β in the acute endometritis animal model compared to WT LPS animals. LPS-induced endometritis increased the number of blood peripheral leukocytes in both WT and AnxA1-/- mice compared with SHAM group mice (p < 0.001). AnxA1-/- mice also showed increased plasma levels of IL-1β (p < 0.01), IL-6, IL-10, IL-17, and TNF-α (p < 0.05) following LPS-induced endometritis. In conclusion, a lack of endogenous AnxA1 exacerbated the inflammatory response in an endometritis model via NLRP3 dysregulation, increased uterine mast cell activation, and plasma pro-inflammatory cytokine release.
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Affiliation(s)
- Renata R Vieira
- Department of Morphology and Genetics, Universidade Federal de São Paulo, Rua Botucatu 740, Edifício Lemos Torres - 3° andar, São Paulo, SP, 04023-900, Brazil
| | - Rafael André da Silva
- Biosciences Graduate Program, Institute of Biosciences, Letters and Exact Sciences, Universidade Estadual Paulista (UNESP), São José do Rio Preto, Brazil
| | - Gisela R S Sasso
- Department of Morphology and Genetics, Universidade Federal de São Paulo, Rua Botucatu 740, Edifício Lemos Torres - 3° andar, São Paulo, SP, 04023-900, Brazil
| | - Paulo C Franco
- Department of Morphology and Genetics, Universidade Federal de São Paulo, Rua Botucatu 740, Edifício Lemos Torres - 3° andar, São Paulo, SP, 04023-900, Brazil
| | - Fernanda T Borges
- Department of Medicine, Nephrology Division, Universidade Federal de São Paulo (UNIFESP), Sao Paulo, SP, 04038-901, Brazil
| | - Patrícia D A Lima
- Queen's Cardiopulmonary Unit (QCPU), Queen's University, Kingston, ON, K7L 3N6, Canada
| | - Jose Marcos Sanches
- School of Medicine, Universidade do Oeste Paulista (UNOESTE), Guaruja, SP, 11441-225, Brazil
| | - Cristiane D Gil
- Department of Morphology and Genetics, Universidade Federal de São Paulo, Rua Botucatu 740, Edifício Lemos Torres - 3° andar, São Paulo, SP, 04023-900, Brazil.
- Biosciences Graduate Program, Institute of Biosciences, Letters and Exact Sciences, Universidade Estadual Paulista (UNESP), São José do Rio Preto, Brazil.
| | - Adriana A F Carbonel
- Department of Morphology and Genetics, Universidade Federal de São Paulo, Rua Botucatu 740, Edifício Lemos Torres - 3° andar, São Paulo, SP, 04023-900, Brazil
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S Mesquita F, Abrami L, Linder ME, Bamji SX, Dickinson BC, van der Goot FG. Mechanisms and functions of protein S-acylation. Nat Rev Mol Cell Biol 2024; 25:488-509. [PMID: 38355760 DOI: 10.1038/s41580-024-00700-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/08/2024] [Indexed: 02/16/2024]
Abstract
Over the past two decades, protein S-acylation (often referred to as S-palmitoylation) has emerged as an important regulator of vital signalling pathways. S-Acylation is a reversible post-translational modification that involves the attachment of a fatty acid to a protein. Maintenance of the equilibrium between protein S-acylation and deacylation has demonstrated profound effects on various cellular processes, including innate immunity, inflammation, glucose metabolism and fat metabolism, as well as on brain and heart function. This Review provides an overview of current understanding of S-acylation and deacylation enzymes, their spatiotemporal regulation by sophisticated multilayered mechanisms, and their influence on protein function, cellular processes and physiological pathways. Furthermore, we examine how disruptions in protein S-acylation are associated with a broad spectrum of diseases from cancer to autoinflammatory disorders and neurological conditions.
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Affiliation(s)
- Francisco S Mesquita
- Global Health Institute, School of Life Sciences, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
| | - Laurence Abrami
- Global Health Institute, School of Life Sciences, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
| | - Maurine E Linder
- Department of Molecular Medicine, Cornell University, Ithaca, NY, USA
| | - Shernaz X Bamji
- Department of Cellular and Physiological Sciences, University of British Columbia, Vancouver, British Columbia, Canada
| | | | - F Gisou van der Goot
- Global Health Institute, School of Life Sciences, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland.
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Miyamoto T, Izawa K, Masui S, Yamazaki A, Yamasaki Y, Matsubayashi T, Shiraki M, Ohnishi H, Yasumura J, Kawabe T, Miyamae T, Matsubara T, Arakawa N, Ishige T, Takizawa T, Shimbo A, Shimizu M, Kimura N, Maeda Y, Maruyama Y, Shigemura T, Furuta J, Sato S, Tanaka H, Izumikawa M, Yamamura M, Hasegawa T, Kaneko H, Nakagishi Y, Nakano N, Iida Y, Nakamura T, Wakiguchi H, Hoshina T, Kawai T, Murakami K, Akizuki S, Morinobu A, Ohmura K, Eguchi K, Sonoda M, Ishimura M, Furuno K, Kashiwado M, Mori M, Kawahata K, Hayama K, Shimoyama K, Sasaki N, Ito T, Umebayashi H, Omori T, Nakamichi S, Dohmoto T, Hasegawa Y, Kawashima H, Watanabe S, Taguchi Y, Nakaseko H, Iwata N, Kohno H, Ando T, Ito Y, Kataoka Y, Saeki T, Kaneko U, Murase A, Hattori S, Nozawa T, Nishimura K, Nakano R, Watanabe M, Yashiro M, Nakamura T, Komai T, Kato K, Honda Y, Hiejima E, Yonezawa A, Bessho K, Okada S, Ohara O, Takita J, Yasumi T, Nishikomori R. Clinical Characteristics of Cryopyrin-Associated Periodic Syndrome and Long-Term Real-World Efficacy and Tolerability of Canakinumab in Japan: Results of a Nationwide Survey. Arthritis Rheumatol 2024; 76:949-962. [PMID: 38268504 DOI: 10.1002/art.42808] [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: 05/04/2023] [Revised: 01/09/2024] [Accepted: 01/22/2024] [Indexed: 01/26/2024]
Abstract
OBJECTIVE We assess the clinical characteristics of patients with cryopyrin-associated periodic syndrome (CAPS) in Japan and evaluate the real-world efficacy and safety of interleukin-1 (IL-1) inhibitors, primarily canakinumab. METHODS Clinical information was collected retrospectively, and serum concentrations of canakinumab and cytokines were analyzed. RESULTS A total of 101 patients were included, with 86 and 15 carrying heterozygous germline and somatic mosaic mutations, respectively. We identified 39 mutation types, and the common CAPS-associated symptoms corresponded with those in previous reports. Six patients (5.9% of all patients) died, with four of the deaths caused by CAPS-associated symptoms. Notably, 73.7% of patients (100%, 79.6%, and 44.4% of familial cold autoinflammatory syndrome, Muckle-Wells syndrome, and chronic infantile neurological cutaneous articular syndrome/neonatal onset multisystem inflammatory disease, respectively) achieved complete remission with canakinumab, and early therapeutic intervention was associated with better auditory outcomes. In some patients, canakinumab treatment stabilized the progression of epiphysial overgrowth and improved height gain, visual acuity, and renal function. However, 23.7% of patients did not achieve inflammatory remission with crucial deterioration of organ damage, with two dying while receiving high-dose canakinumab treatment. Serological analysis of canakinumab and cytokine concentrations revealed that the poor response was not related to canakinumab shortage. Four inflammatory nonremitters developed inflammatory bowel disease (IBD)-unclassified during canakinumab treatment. Dual biologic therapy with canakinumab and anti-tumor necrosis factor-α agents was effective for IBD- and CAPS-associated symptoms not resolved by canakinumab monotherapy. CONCLUSION This study provides one of the largest epidemiologic data sets for CAPS. Although early initiation of anti-IL-1 treatment with canakinumab is beneficial for improving disease prognosis, some patients do not achieve remission despite a high serum concentration of canakinumab. Moreover, IBD may develop in CAPS after canakinumab treatment.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | - Tomoyo Matsubara
- Dokkyo Medical University Saitama Medical Center, Saitama, Japan
| | | | | | | | - Asami Shimbo
- Tokyo Medical and Dental University, Tokyo, Japan
| | | | - Naoki Kimura
- Tokyo Medical and Dental University, Tokyo, Japan
| | | | | | | | | | - Satoshi Sato
- Saitama Children's Medical Center, Saitama, Japan
| | | | | | | | | | - Hiroshi Kaneko
- National Center for Global Health and Medicine, Tokyo, Japan
| | | | - Naoko Nakano
- Ehime Prefectural Central Hospital, Matsuyama, Japan
| | | | | | | | - Takayuki Hoshina
- University of Occupational and Environmental Health, Japan, Kitakyushu, Japan
| | - Toshinao Kawai
- National Center for Child Health and Development, Tokyo, Japan
| | | | | | | | | | | | | | | | | | | | - Masaaki Mori
- Tokyo Medical and Dental University, Tokyo, Japan, and St. Marianna University School of Medicine, Kawasaki, Japan
| | | | | | | | - Natsuko Sasaki
- University of Occupational and Environmental Health, Japan, Kitakyushu, Japan
| | - Taisuke Ito
- Hamamatsu University School of Medicine, Hamamatsu, Japan
| | | | - Tae Omori
- Tokyo Metropolitan Bokutoh Hospital, Tokyo, Japan
| | | | | | | | | | | | - Yuichiro Taguchi
- Department of Rheumatology, Nagoya Ekisaikai Hospital, Nagoya, Japan
| | | | - Naomi Iwata
- Aichi Children's Health and Medical Center, Obu, Japan
| | - Hiroki Kohno
- Tokyo Women's Medical University Hospital, Tokyo, Japan
| | | | - Yasuhiko Ito
- Nagoya City University West Medical Center, Nagoya, Japan
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Osamu Ohara
- Kazusa DNA Research Institute, Kisarazu, Japan
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Zhou GQ, Wang X, Gao P, Qin TZ, Guo L, Zhang ZW, Huang ZF, Lin JJ, Jing YT, Wang HN, Wang CP, Ding GR. Intestinal microbiota via NLRP3 inflammasome dependent neuronal pyroptosis mediates anxiety-like behaviour in mice exposed to 3.5 GHz radiofrequency radiation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 927:172391. [PMID: 38608899 DOI: 10.1016/j.scitotenv.2024.172391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 04/08/2024] [Accepted: 04/08/2024] [Indexed: 04/14/2024]
Abstract
The rapid development of 5G communication technology has increased public concern about the potential adverse effects on human health. Till now, the impacts of radiofrequency radiation (RFR) from 5G communication on the central nervous system and gut-brain axis are still unclear. Therefore, we investigated the effects of 3.5 GHz (a frequency commonly used in 5G communication) RFR on neurobehavior, gut microbiota, and gut-brain axis metabolites in mice. The results showed that exposure to 3.5 GHz RFR at 50 W/m2 for 1 h over 35 d induced anxiety-like behaviour in mice, accompanied by NLRP3-dependent neuronal pyroptosis in CA3 region of the dorsal hippocampus. In addition, the microbial composition was widely divergent between the sham and RFR groups. 3.5 GHz RFR also caused changes in metabolites of feces, serum, and brain. The differential metabolites were mainly enriched in glycerophospholipid metabolism, tryptophan metabolism, and arginine biosynthesis. Further correlation analysis showed that gut microbiota dysbiosis was associated with differential metabolites. Based on the above results, we speculate that dysfunctional intestinal flora and metabolites may be involved in RFR-induced anxiety-like behaviour in mice through neuronal pyroptosis in the brain. The findings provide novel insights into the mechanism of 5G RFR-induced neurotoxicity.
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Affiliation(s)
- Gui-Qiang Zhou
- Department of Radiation Protection Medicine, Faculty of Preventive Medicine, Fourth Military Medical University, Xi'an, China; School of Public Health, Shandong Second Medical University, Weifang, China
| | - Xing Wang
- Department of Radiation Protection Medicine, Faculty of Preventive Medicine, Fourth Military Medical University, Xi'an, China; Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, Xi'an, China
| | - Peng Gao
- Department of Radiation Protection Medicine, Faculty of Preventive Medicine, Fourth Military Medical University, Xi'an, China; Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, Xi'an, China
| | - Tong-Zhou Qin
- Department of Radiation Protection Medicine, Faculty of Preventive Medicine, Fourth Military Medical University, Xi'an, China; Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, Xi'an, China
| | - Ling Guo
- Department of Radiation Protection Medicine, Faculty of Preventive Medicine, Fourth Military Medical University, Xi'an, China; Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, Xi'an, China
| | - Zhao-Wen Zhang
- Department of Radiation Protection Medicine, Faculty of Preventive Medicine, Fourth Military Medical University, Xi'an, China; Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, Xi'an, China
| | - Zhi-Fei Huang
- Department of Radiation Protection Medicine, Faculty of Preventive Medicine, Fourth Military Medical University, Xi'an, China; School of Public Health, Shandong Second Medical University, Weifang, China
| | - Jia-Jin Lin
- Department of Radiation Protection Medicine, Faculty of Preventive Medicine, Fourth Military Medical University, Xi'an, China; Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, Xi'an, China
| | - Yun-Tao Jing
- Department of Radiation Protection Medicine, Faculty of Preventive Medicine, Fourth Military Medical University, Xi'an, China; Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, Xi'an, China
| | - Hao-Nan Wang
- Department of Radiation Protection Medicine, Faculty of Preventive Medicine, Fourth Military Medical University, Xi'an, China; Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, Xi'an, China
| | - Chun-Ping Wang
- School of Public Health, Shandong Second Medical University, Weifang, China.
| | - Gui-Rong Ding
- Department of Radiation Protection Medicine, Faculty of Preventive Medicine, Fourth Military Medical University, Xi'an, China; Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, Xi'an, China.
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Song R, He S, Wu Y, Tan S. Pyroptosis in sepsis induced organ dysfunction. Curr Res Transl Med 2024; 72:103419. [PMID: 38246070 DOI: 10.1016/j.retram.2023.103419] [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: 04/17/2023] [Revised: 09/27/2023] [Accepted: 10/05/2023] [Indexed: 01/23/2024]
Abstract
As an uncontrolled inflammatory response to infection, sepsis and sepsis induced organ dysfunction are great threats to the lives of septic patients. Unfortunately, the pathogenesis of sepsis is complex and multifactorial, which still needs to be elucidated. Pyroptosis is a newly discovered atypical form of inflammatory programmed cell death, which depends on the Caspase-1 dependent classical pathway or the non-classical Caspase-11 (mouse) or Caspase-4/5 (human) dependent pathway. Many studies have shown that pyroptosis is related to sepsis. The Gasdermin proteins are the key molecules in the membrane pores formation in pyroptosis. After cut by inflammatory caspase, the Gasdermin N-terminal fragments with perforation activity are released to cause pyroptosis. Pyroptosis is closely related to the occurrence and development of sepsis induced organ dysfunction. In this review, we summarized the molecular mechanism of pyroptosis, the key role of pyroptosis in sepsis and sepsis induced organ dysfunction, with the aim to bring new diagnostic biomarkers and potential therapeutic targets to improve sepsis clinical treatments.
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Affiliation(s)
- Ruoyu Song
- Department of Pathophysiology, School of Basic Medicine Science, Central South University, Changsha, China; Sepsis Translational Medicine Key Laboratory of Hunan Province, Central South University, Changsha, China; National Medicine Functional Experimental Teaching Center, Central South University, Changsha, China.
| | - Shijun He
- Department of Pathophysiology, School of Basic Medicine Science, Central South University, Changsha, China; Sepsis Translational Medicine Key Laboratory of Hunan Province, Central South University, Changsha, China; National Medicine Functional Experimental Teaching Center, Central South University, Changsha, China
| | - Yongbin Wu
- Department of Pathophysiology, School of Basic Medicine Science, Central South University, Changsha, China; Sepsis Translational Medicine Key Laboratory of Hunan Province, Central South University, Changsha, China; National Medicine Functional Experimental Teaching Center, Central South University, Changsha, China
| | - Sipin Tan
- Department of Pathophysiology, School of Basic Medicine Science, Central South University, Changsha, China; Sepsis Translational Medicine Key Laboratory of Hunan Province, Central South University, Changsha, China; National Medicine Functional Experimental Teaching Center, Central South University, Changsha, China.
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Liu M, Duan Y, Dong J, Zhang K, Jin X, Gao M, Jia H, Chen J, Liu M, Wei M, Zhong X. Early signs of neurodegenerative diseases: Possible mechanisms and targets for Golgi stress. Biomed Pharmacother 2024; 175:116646. [PMID: 38692058 DOI: 10.1016/j.biopha.2024.116646] [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: 02/28/2024] [Revised: 04/17/2024] [Accepted: 04/24/2024] [Indexed: 05/03/2024] Open
Abstract
The Golgi apparatus plays a crucial role in mediating the modification, transport, and sorting of intracellular proteins and lipids. The morphological changes occurring in the Golgi apparatus are exceptionally important for maintaining its function. When exposed to external pressure or environmental stimulation, the Golgi apparatus undergoes adaptive changes in both structure and function, which are known as Golgi stress. Although certain signal pathway responses or post-translational modifications have been observed following Golgi stress, further research is needed to comprehensively summarize and understand the related mechanisms. Currently, there is evidence linking Golgi stress to neurodegenerative diseases; however, the role of Golgi stress in the progression of neurodegenerative diseases such as Alzheimer's disease remains largely unexplored. This review focuses on the structural and functional alterations of the Golgi apparatus during stress, elucidating potential mechanisms underlying the involvement of Golgi stress in regulating immunity, autophagy, and metabolic processes. Additionally, it highlights the pivotal role of Golgi stress as an early signaling event implicated in the pathogenesis and progression of neurodegenerative diseases. Furthermore, this study summarizes prospective targets that can be therapeutically exploited to mitigate neurodegenerative diseases by targeting Golgi stress. These findings provide a theoretical foundation for identifying novel breakthroughs in preventing and treating neurodegenerative diseases.
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Affiliation(s)
- Mengyu Liu
- School of Pharmacy, China Medical University, Shenyang, Liaoning 110122, China
| | - Ying Duan
- Liaoning Maternal and Child Health Hospital, Shayang, Liaoning 110005, China
| | - Jianru Dong
- School of Pharmacy, China Medical University, Shenyang, Liaoning 110122, China
| | - Kaisong Zhang
- School of Pharmacy, China Medical University, Shenyang, Liaoning 110122, China
| | - Xin Jin
- School of Pharmacy, China Medical University, Shenyang, Liaoning 110122, China
| | - Menglin Gao
- School of Pharmacy, China Medical University, Shenyang, Liaoning 110122, China
| | - Huachao Jia
- School of Pharmacy, China Medical University, Shenyang, Liaoning 110122, China
| | - Ju Chen
- School of Pharmacy, China Medical University, Shenyang, Liaoning 110122, China
| | - Mingyan Liu
- School of Pharmacy, China Medical University, Shenyang, Liaoning 110122, China.
| | - Minjie Wei
- School of Pharmacy, China Medical University, Shenyang, Liaoning 110122, China; Liaoning Medical Diagnosis and Treatment Center, Shenyang, Liaoning 110167, China.
| | - Xin Zhong
- School of Pharmacy, China Medical University, Shenyang, Liaoning 110122, China.
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Lyu S, Liu S, Guo X, Zhang Y, Liu Z, Shi S, Li W, Pei J, Fan Y, Sun H. hP-MSCs attenuate severe acute pancreatitis in mice via inhibiting NLRP3 inflammasome-mediated acinar cell pyroptosis. Apoptosis 2024; 29:920-933. [PMID: 38625481 DOI: 10.1007/s10495-024-01946-5] [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] [Accepted: 02/13/2024] [Indexed: 04/17/2024]
Abstract
BACKGROUND Severe acute pancreatitis (SAP) is a serious gastrointestinal disease that is facilitated by pancreatic acinar cell death. The protective role of human placental mesenchymal stem cells (hP-MSCs) in SAP has been demonstrated in our previous studies. However, the underlying mechanisms of this therapy remain unclear. Herein, we investigated the regularity of acinar cell pyroptosis during SAP and investigated whether the protective effect of hP-MSCs was associated with the inhibition of acinar cell pyroptosis. METHODS A mouse model of SAP was established by the retrograde injection of sodium taurocholate (NaTC) solution in the pancreatic duct. For the hP-MSCs group, hP-MSCs were injected via the tail vein and were monitored in vivo. Transmission electron microscopy (TEM) was used to observe the pyroptosis-associated ultramorphology of acinar cells. Immunofluorescence and Western blotting were subsequently used to assess the localization and expression of pyroptosis-associated proteins in acinar cells. Systemic inflammation and local injury-associated parameters were evaluated. RESULTS Acinar cell pyroptosis was observed during SAP, and the expression of pyroptosis-associated proteins initially increased, peaked at 24 h, and subsequently showed a decreasing trend. hP-MSCs effectively attenuated systemic inflammation and local injury in the SAP model mice. Importantly, hP-MSCs decreased the expression of pyroptosis-associated proteins and the activity of the NOD-, LRR-, and pyrin domain-containing protein 3 (NLRP3) inflammasome in acinar cells. CONCLUSIONS Our study demonstrates the regularity and important role of acinar cell pyroptosis during SAP. hP-MSCs attenuate inflammation and inhibit acinar cell pyroptosis via suppressing NLRP3 inflammasome activation, thereby exerting a protective effect against SAP.
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Affiliation(s)
- Shuang Lyu
- College of Medicine, Southwest Jiaotong University, Chengdu, Sichuan, 610031, China
- Laboratory of Basic Medicine, The General Hospital of Western Theater Command, Chengdu, Sichuan, 610083, China
- General Surgery Center of PLA and Pancreatic Injury and Repair Key Laboratory of Sichuan Province, The General Hospital of Western Theater Command, Chengdu, Sichuan, 610083, China
| | - Shuirong Liu
- Laboratory of Basic Medicine, The General Hospital of Western Theater Command, Chengdu, Sichuan, 610083, China
| | - Xin Guo
- Laboratory of Basic Medicine, The General Hospital of Western Theater Command, Chengdu, Sichuan, 610083, China
| | - Yaolei Zhang
- Laboratory of Basic Medicine, The General Hospital of Western Theater Command, Chengdu, Sichuan, 610083, China
| | - Zhongyu Liu
- School of Clinical Medicine, Southwest Medical University, Luzhou, Sichuan, 646000, China
| | - Shan Shi
- Laboratory of Basic Medicine, The General Hospital of Western Theater Command, Chengdu, Sichuan, 610083, China
| | - Wenya Li
- Laboratory of Basic Medicine, The General Hospital of Western Theater Command, Chengdu, Sichuan, 610083, China
| | - Juan Pei
- College of Medicine, Southwest Jiaotong University, Chengdu, Sichuan, 610031, China
- Laboratory of Basic Medicine, The General Hospital of Western Theater Command, Chengdu, Sichuan, 610083, China
| | - Yonghong Fan
- College of Medicine, Southwest Jiaotong University, Chengdu, Sichuan, 610031, China.
- Laboratory of Basic Medicine, The General Hospital of Western Theater Command, Chengdu, Sichuan, 610083, China.
| | - Hongyu Sun
- College of Medicine, Southwest Jiaotong University, Chengdu, Sichuan, 610031, China.
- Laboratory of Basic Medicine, The General Hospital of Western Theater Command, Chengdu, Sichuan, 610083, China.
- General Surgery Center of PLA and Pancreatic Injury and Repair Key Laboratory of Sichuan Province, The General Hospital of Western Theater Command, Chengdu, Sichuan, 610083, China.
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Michel L, Ferdinandy P, Rassaf T. Cellular Alterations in Immune Checkpoint Inhibitor Therapy-Related Cardiac Dysfunction. Curr Heart Fail Rep 2024; 21:214-223. [PMID: 38430308 PMCID: PMC11090976 DOI: 10.1007/s11897-024-00652-2] [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] [Accepted: 02/26/2024] [Indexed: 03/03/2024]
Abstract
PURPOSE OF REVIEW Immune checkpoint inhibitor (ICI) therapy has emerged as a pivotal advancement in cancer treatment, but the widespread adoption has given rise to a growing number of reports detailing significant cardiovascular toxicity. This review concentrates on elucidating the mechanisms behind ICI-related cardiovascular complications, emphasizing preclinical and mechanistic data. RECENT FINDINGS Accumulating evidence indicates a more significant role of immune checkpoints in maintaining cardiac integrity than previously understood, and new key scientific data are available to improve our understanding of ICI-related cardiovascular toxicity, including hidden cardiotoxicity. New avenues for innovative concepts are hypothesized, and opportunities to leverage the knowledge from ICI-therapy for pioneering approaches in related scientific domains can be derived from the latest scientific projects. Cardiotoxicity from ICI therapy is a paramount challenge for cardio-oncology. Understanding the underlying effects builds the foundation for tailored cardioprotective approaches in the growing collective at risk for severe cardiovascular complications.
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Affiliation(s)
- Lars Michel
- Department of Cardiology and Vascular Medicine, West German Heart and Vascular Center, University Hospital Essen, Hufelandstr. 55, 45147, Essen, Germany.
| | - Peter Ferdinandy
- Department of Pharmacology and Pharmacotherapy, Semmelweis University, Budapest, Hungary
- Pharmahungary Group, Szeged, Hungary
| | - Tienush Rassaf
- Department of Cardiology and Vascular Medicine, West German Heart and Vascular Center, University Hospital Essen, Hufelandstr. 55, 45147, Essen, Germany
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Liu X, Zang L, Yu J, Yu J, Wang S, Zhou L, Song H, Ma Y, Niu X, Li W. Anti-inflammatory effect of proanthocyanidins from blueberry through NF-κβ/NLRP3 signaling pathway in vivo and in vitro. Immunopharmacol Immunotoxicol 2024:1-11. [PMID: 38772618 DOI: 10.1080/08923973.2024.2358770] [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: 12/28/2023] [Accepted: 05/18/2024] [Indexed: 05/23/2024]
Abstract
BACKGROUND Systemic inflammatory response syndrome (SIRS) is an uncontrolled systemic inflammatory response. Proanthocyanidins (PC) is a general term of polyphenol compounds widely existed in blueberry fruits and can treat inflammation-related diseases. This study aimed to explore the regulatory effect of PC on lipopolysaccharide (LPS)-induced systemic inflammation and its potential mechanism, providing effective strategies for the further development of PC. METHODS Here, RAW264.7 macrophages were stimulated with LPS to establish an inflammation model in vitro, while endotoxin shock mouse models were constructed by LPS in vivo. The function of PC was investigated by MTT, ELISA kits, H&E staining, immunohistochemistry, and Western blot analysis. RESULTS Functionally, PC could demonstrate the potential to mitigate mortality in mice with endotoxin shock, as well as attenuated the levels of inflammatory cytokines (IL-6, TNF-α) and biochemical indicators (AST, ALT, CRE and BUN). Moreover, it had a significant protective effect on lung and kidney tissues damage. Mechanistically, PC exerted anti-inflammatory effects by inhibiting the activation of the NF-κB/NLRP3 signaling pathway. CONCLUSION PC might have the potential ability of anti-inflammatory effects via modulation of the NF-κB/NLRP3 signaling pathway.
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Affiliation(s)
- Xinyao Liu
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, P.R. China
| | - Lulu Zang
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, P.R. China
| | - Jiabao Yu
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, P.R. China
| | - Jinjin Yu
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, P.R. China
| | - Siqi Wang
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, P.R. China
| | - Lili Zhou
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, P.R. China
| | - Huixin Song
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, P.R. China
| | - Yajing Ma
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, P.R. China
| | - Xiaofeng Niu
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, P.R. China
| | - Weifeng Li
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, P.R. China
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Qin D, Wang C, Yan R, Qin Y, Ying Z, Kong H, Zhao W, Zhang L, Song H. ZAP facilitates NLRP3 inflammasome activation via promoting the oligomerization of NLRP3. Int Immunopharmacol 2024; 133:112123. [PMID: 38663314 DOI: 10.1016/j.intimp.2024.112123] [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: 02/14/2024] [Revised: 04/08/2024] [Accepted: 04/17/2024] [Indexed: 05/12/2024]
Abstract
The NOD-like receptor family protein 3 (NLRP3) inflammasome is a crucial complex for the host to establish inflammatory immune responses and plays vital roles in a series of disorders, including Alzheimer's disease and acute peritonitis. However, its regulatory mechanism remains largely unclear. Zinc finger antiviral protein (ZAP), also known as zinc finger CCCH-type antiviral protein 1 (ZC3HAV1), promotes viral RNA degradation and plays vital roles in host antiviral immune responses. However, the role of ZAP in inflammation, especially in NLRP3 activation, is unclear. Here, we show that ZAP interacts with NLRP3 and promotes NLRP3 oligomerization, thus facilitating NLRP3 inflammasome activation in peritoneal macrophages of C57BL/6 mice. The shorter isoform of ZAP (ZAPS) appears to play a greater role than the full-length isoform (ZAPL) in HEK293T cells. Congruously, Zap-deficient C57BL/6 mice may be less susceptible to alum-induced peritonitis and lipopolysaccharide-induced sepsis in vivo. Therefore, we propose that ZAP is a positive regulator of NLRP3 activation and a potential therapeutic target for NLRP3-related inflammatory disorders.
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Affiliation(s)
- Danhui Qin
- Key Laboratory for Experimental Teratology of the Chinese Ministry of Education, and Key Laboratory of Infection and Immunity of Shandong Province, School of Basic Medical Science, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China; Department of Pathogenic Biology, School of Basic Medical Science, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Caiwei Wang
- Key Laboratory for Experimental Teratology of the Chinese Ministry of Education, and Key Laboratory of Infection and Immunity of Shandong Province, School of Basic Medical Science, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China; Department of Pathogenic Biology, School of Basic Medical Science, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Rongzhen Yan
- Key Laboratory for Experimental Teratology of the Chinese Ministry of Education, and Key Laboratory of Infection and Immunity of Shandong Province, School of Basic Medical Science, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China; Department of Pathogenic Biology, School of Basic Medical Science, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Ying Qin
- Key Laboratory for Experimental Teratology of the Chinese Ministry of Education, and Key Laboratory of Infection and Immunity of Shandong Province, School of Basic Medical Science, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China; Department of Physiology & Pathophysiology, School of Basic Medical Science, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Zhendong Ying
- Department of Orthopedic Surgery, the First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Key Laboratory of Rheumatic Disease and Translational Medicine, Jinan, Shandong, China
| | - Hongyi Kong
- Key Laboratory for Experimental Teratology of the Chinese Ministry of Education, and Key Laboratory of Infection and Immunity of Shandong Province, School of Basic Medical Science, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China; Department of Pathogenic Biology, School of Basic Medical Science, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Wei Zhao
- Key Laboratory for Experimental Teratology of the Chinese Ministry of Education, and Key Laboratory of Infection and Immunity of Shandong Province, School of Basic Medical Science, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China; Department of Pathogenic Biology, School of Basic Medical Science, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Lei Zhang
- Department of Orthopedic Surgery, the First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Key Laboratory of Rheumatic Disease and Translational Medicine, Jinan, Shandong, China.
| | - Hui Song
- Key Laboratory for Experimental Teratology of the Chinese Ministry of Education, and Key Laboratory of Infection and Immunity of Shandong Province, School of Basic Medical Science, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China; Department of Pathogenic Biology, School of Basic Medical Science, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China.
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Yang S, Cao J, Wang Y, Chen Q, Li F, Gao Y, Li R, Yuan L. Small Intestinal Endocrine Cell Derived Exosomal ACE2 Protects Islet β-Cell Function by Inhibiting the Activation of NLRP3 Inflammasome and Reducing β-Cell Pyroptosis. Int J Nanomedicine 2024; 19:4957-4976. [PMID: 38828198 PMCID: PMC11144429 DOI: 10.2147/ijn.s450337] [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: 11/17/2023] [Accepted: 05/22/2024] [Indexed: 06/05/2024] Open
Abstract
Background The "gut-islets axis" is an important endocrine signaling axis that regulates islets function by modulating the gut microbiota and endocrine metabolism within the gut. However, the specific mechanisms and roles of the intestine in islets regulation remain unclear. Recent studies investigated that exosomes derived from gut microbiota can transport signals to remotely regulate islets β-cell function, suggesting the possibility of novel signaling pathways mediated by gut exosomes in the regulation of the "gut-islet axis.". Methods The exosomes were isolated from the intestinal enteroendocrine cell-line STC-1cells culture supernatants treated with palmitate acid (PA) or BSA. Metabolic stress models were established by separately subjecting MIN6 cells to PA stimulation and feeding mice with a high-fat diet. Intervention with exosomes in vitro and in vivo to assess the biological effects of exosomes on islets β cells under metabolic stress. The Mas receptor antagonist A779 and ACE2ko mice were used to evaluate the role of exosomal ACE2. Results We found ACE2, a molecule that plays a crucial role in the regulation of islets function, is abundantly expressed in exosomes derived from STC-1 under physiological normal condition (NCEO). These exosomes cannot only be taken up by β-cells in vitro but also selectively transported to the islets in vivo. Following intervention with NCEXO, both Min6 cells in a lipotoxic environment and mice on a high-fat diet exhibited significant improvements in islets β-cell function and β-cell mass. Further investigations demonstrated that these protective effects are attributed to exosomal ACE2, as ACE2 inhibits NLRP3 inflammasome activation and reduces β-cell pyroptosis. Conclusion ACE2-enriched exosomes from the gut can selectively target islets, subsequently inhibiting NLRP3 inflammasome activation and β cell pyroptosis, thereby restoring islets β cell function under metabolic stress. This study provides novel insights into therapeutic strategies for the prevention and treatment of obesity and diabetes.
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Affiliation(s)
- Songtao Yang
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People’s Republic of China
| | - Jie Cao
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People’s Republic of China
| | - Ying Wang
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People’s Republic of China
| | - Qi Chen
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People’s Republic of China
| | - Fangyu Li
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People’s Republic of China
| | - Yuanyuan Gao
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People’s Republic of China
| | - Rui Li
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People’s Republic of China
| | - Li Yuan
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People’s Republic of China
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Rumora L, Markelić I, Hlapčić I, Tomašković AH, Fabijanec M, Džubur F, Samaržija M, Dugac AV. Assessment of NLRP3 inflammasome activation in patients with chronic obstructive pulmonary disease before and after lung transplantation. Immunol Res 2024:10.1007/s12026-024-09497-2. [PMID: 38811459 DOI: 10.1007/s12026-024-09497-2] [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: 12/24/2023] [Accepted: 05/21/2024] [Indexed: 05/31/2024]
Abstract
The interplay between purinergic receptors as well as pattern recognition receptors like Toll-like receptors (TLRs) and NOD-, LRR-, and pyrin domain-containing protein 3 (NLRP3) might have a role in the pathogenesis of chronic obstructive pulmonary disease (COPD). The aim of this study was to determine and compare the concentrations of the damage-associated molecular patterns (DAMPs) heat shock protein 70 (Hsp70) and adenosine triphosphate (ATP), and gene expression of their respective receptors as well as NLRP3 inflammasome-related molecules in the peripheral blood of patients with end-stage COPD before and 1 year after lung transplantation (LT). Lung function was assessed by spirometry and diffusion capacity for carbon monoxide (DLCO). Quantitative polymerase chain reaction (qPCR) was applied for detection of TLR2, TLR4, P2X7R, P2Y2R, IL1B, CASP1, and NLRP3 expression. High-sensitivity ELISA kits were used for extracellular (e) Hsp70 and IL-1β, and luminescence assay for eATP measurements. Concentrations of eHsp70 and eATP as well as IL-1β were significantly increased in the plasma of end-stage COPD patients and significantly decreased after LT. In addition, TLR4, P2Y2R, IL1B, CASP1, and NLRP3 expression was up-regulated in COPD patients before LT, while it was significantly suppressed after LT. In conclusion, it could be assumed that NLRP3 inflammasome is activated in the peripheral blood of end-stage COPD patients and that eHsp70 and eATP could be responsible for its activation through triggering their receptors. On the other hand, previously enhanced pro-inflammatory reactions seem to be suppressed to the healthy population levels in lung recipients without allograft rejection.
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Affiliation(s)
- Lada Rumora
- Department of Medical Biochemistry and Hematology, Faculty of Pharmacy and Biochemistry, University of Zagreb, Zagreb, Croatia
| | - Ivona Markelić
- Clinic for Respiratory Diseases Jordanovac, University Hospital Centre Zagreb, Zagreb, Croatia
| | - Iva Hlapčić
- Department of Medical Biochemistry and Hematology, Faculty of Pharmacy and Biochemistry, University of Zagreb, Zagreb, Croatia
| | - Andrea Hulina Tomašković
- Department of Medical Biochemistry and Hematology, Faculty of Pharmacy and Biochemistry, University of Zagreb, Zagreb, Croatia
| | - Marija Fabijanec
- Department of Medical Biochemistry and Hematology, Faculty of Pharmacy and Biochemistry, University of Zagreb, Zagreb, Croatia
- Centre for Applied Medical Biochemistry, Faculty of Pharmacy and Biochemistry, University of Zagreb, Zagreb, Croatia
| | - Feđa Džubur
- Clinic for Respiratory Diseases Jordanovac, University Hospital Centre Zagreb, Zagreb, Croatia
- School of Medicine, University of Zagreb, Zagreb, Croatia
| | - Miroslav Samaržija
- Clinic for Respiratory Diseases Jordanovac, University Hospital Centre Zagreb, Zagreb, Croatia
- School of Medicine, University of Zagreb, Zagreb, Croatia
| | - Andrea Vukić Dugac
- Clinic for Respiratory Diseases Jordanovac, University Hospital Centre Zagreb, Zagreb, Croatia.
- School of Medicine, University of Zagreb, Zagreb, Croatia.
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246
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Liang Z, Damianou A, Vendrell I, Jenkins E, Lassen FH, Washer SJ, Grigoriou A, Liu G, Yi G, Lou H, Cao F, Zheng X, Fernandes RA, Dong T, Tate EW, Di Daniel E, Kessler BM. Proximity proteomics reveals UCH-L1 as an essential regulator of NLRP3-mediated IL-1β production in human macrophages and microglia. Cell Rep 2024; 43:114152. [PMID: 38669140 DOI: 10.1016/j.celrep.2024.114152] [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: 11/10/2023] [Revised: 02/28/2024] [Accepted: 04/10/2024] [Indexed: 04/28/2024] Open
Abstract
Activation of the NACHT, LRR, and PYD domains-containing protein 3 (NLRP3) inflammasome complex is an essential innate immune signaling mechanism. To reveal how human NLRP3 inflammasome assembly and activation are controlled, in particular by components of the ubiquitin system, proximity labeling, affinity purification, and RNAi screening approaches were performed. Our study provides an intricate time-resolved molecular map of different phases of NLRP3 inflammasome activation. Also, we show that ubiquitin C-terminal hydrolase 1 (UCH-L1) interacts with the NACHT domain of NLRP3. Downregulation of UCH-L1 decreases pro-interleukin-1β (IL-1β) levels. UCH-L1 chemical inhibition with small molecules interfered with NLRP3 puncta formation and ASC oligomerization, leading to altered IL-1β cleavage and secretion, particularly in microglia cells, which exhibited elevated UCH-L1 expression as compared to monocytes/macrophages. Altogether, we profiled NLRP3 inflammasome activation dynamics and highlight UCH-L1 as an important modulator of NLRP3-mediated IL-1β production, suggesting that a pharmacological inhibitor of UCH-L1 may decrease inflammation-associated pathologies.
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Affiliation(s)
- Zhu Liang
- Chinese Academy for Medical Sciences Oxford Institute, Nuffield Department of Medicine, University of Oxford, Roosevelt Drive, Oxford OX3 7FZ, UK; Target Discovery Institute, Centre for Medicines Discovery, Nuffield Department of Medicine, University of Oxford, Roosevelt Drive, Oxford OX3 7FZ, UK.
| | - Andreas Damianou
- Chinese Academy for Medical Sciences Oxford Institute, Nuffield Department of Medicine, University of Oxford, Roosevelt Drive, Oxford OX3 7FZ, UK; Target Discovery Institute, Centre for Medicines Discovery, Nuffield Department of Medicine, University of Oxford, Roosevelt Drive, Oxford OX3 7FZ, UK
| | - Iolanda Vendrell
- Chinese Academy for Medical Sciences Oxford Institute, Nuffield Department of Medicine, University of Oxford, Roosevelt Drive, Oxford OX3 7FZ, UK; Target Discovery Institute, Centre for Medicines Discovery, Nuffield Department of Medicine, University of Oxford, Roosevelt Drive, Oxford OX3 7FZ, UK
| | - Edward Jenkins
- Kennedy Institute of Rheumatology, University of Oxford, Oxford OX3 7FY, UK
| | - Frederik H Lassen
- Big Data Institute, Li Ka Shing Centre for Health Information and Discovery, Nuffield Department of Medicine, University of Oxford, Old Road Campus, Oxford OX3 7LF, UK
| | - Sam J Washer
- James and Lillian Martin Centre for Stem Cell Research, Sir William Dunn School of Pathology, University of Oxford, South Parks Road, Oxford OX1 3RE, UK; Wellcome Centre for Human Genetics, Nuffield Department of Medicine, University of Oxford, Oxford OX3 7BN, UK
| | - Athina Grigoriou
- Chinese Academy for Medical Sciences Oxford Institute, Nuffield Department of Medicine, University of Oxford, Roosevelt Drive, Oxford OX3 7FZ, UK; Target Discovery Institute, Centre for Medicines Discovery, Nuffield Department of Medicine, University of Oxford, Roosevelt Drive, Oxford OX3 7FZ, UK
| | - Guihai Liu
- Chinese Academy for Medical Sciences Oxford Institute, Nuffield Department of Medicine, University of Oxford, Roosevelt Drive, Oxford OX3 7FZ, UK
| | - Gangshun Yi
- Division of Structural Biology, Wellcome Trust Centre for Human Genetics, University of Oxford, Oxford OX3 7BN, UK
| | - Hantao Lou
- Ludwig Institute for Cancer Research, University of Oxford, Oxford, UK
| | - Fangyuan Cao
- Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, London W12 0BZ, UK
| | - Xiaonan Zheng
- Chinese Academy for Medical Sciences Oxford Institute, Nuffield Department of Medicine, University of Oxford, Roosevelt Drive, Oxford OX3 7FZ, UK
| | - Ricardo A Fernandes
- Chinese Academy for Medical Sciences Oxford Institute, Nuffield Department of Medicine, University of Oxford, Roosevelt Drive, Oxford OX3 7FZ, UK
| | - Tao Dong
- Chinese Academy for Medical Sciences Oxford Institute, Nuffield Department of Medicine, University of Oxford, Roosevelt Drive, Oxford OX3 7FZ, UK
| | - Edward W Tate
- Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, London W12 0BZ, UK
| | - Elena Di Daniel
- Alzheimer's Research UK Oxford Drug Discovery Institute, University of Oxford, Oxford OX3 7FZ, UK
| | - Benedikt M Kessler
- Chinese Academy for Medical Sciences Oxford Institute, Nuffield Department of Medicine, University of Oxford, Roosevelt Drive, Oxford OX3 7FZ, UK; Target Discovery Institute, Centre for Medicines Discovery, Nuffield Department of Medicine, University of Oxford, Roosevelt Drive, Oxford OX3 7FZ, UK.
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247
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Marques E, Kramer R, Ryan DG. Multifaceted mitochondria in innate immunity. NPJ METABOLIC HEALTH AND DISEASE 2024; 2:6. [PMID: 38812744 PMCID: PMC11129950 DOI: 10.1038/s44324-024-00008-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Accepted: 04/14/2024] [Indexed: 05/31/2024]
Abstract
The ability of mitochondria to transform the energy we obtain from food into cell phosphorylation potential has long been appreciated. However, recent decades have seen an evolution in our understanding of mitochondria, highlighting their significance as key signal-transducing organelles with essential roles in immunity that extend beyond their bioenergetic function. Importantly, mitochondria retain bacterial motifs as a remnant of their endosymbiotic origin that are recognised by innate immune cells to trigger inflammation and participate in anti-microbial defence. This review aims to explore how mitochondrial physiology, spanning from oxidative phosphorylation (OxPhos) to signalling of mitochondrial nucleic acids, metabolites, and lipids, influences the effector functions of phagocytes. These myriad effector functions include macrophage polarisation, efferocytosis, anti-bactericidal activity, antigen presentation, immune signalling, and cytokine regulation. Strict regulation of these processes is critical for organismal homeostasis that when disrupted may cause injury or contribute to disease. Thus, the expanding body of literature, which continues to highlight the central role of mitochondria in the innate immune system, may provide insights for the development of the next generation of therapies for inflammatory diseases.
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Affiliation(s)
- Eloïse Marques
- MRC Mitochondrial Biology Unit, University of Cambridge, Cambridge, UK
| | - Robbin Kramer
- MRC Mitochondrial Biology Unit, University of Cambridge, Cambridge, UK
| | - Dylan G. Ryan
- MRC Mitochondrial Biology Unit, University of Cambridge, Cambridge, UK
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248
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Liu C, Fan C, Liu J, Zhang S, Tang H, Liu Y, Zhang S, Wu Q, Zhang J, Qi Z, Shen Y. YOD1 protects against MRSA sepsis-induced DIC through Lys33-linked deubiquitination of NLRP3. Cell Death Dis 2024; 15:360. [PMID: 38789414 PMCID: PMC11126606 DOI: 10.1038/s41419-024-06731-5] [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: 11/20/2023] [Revised: 05/03/2024] [Accepted: 05/08/2024] [Indexed: 05/26/2024]
Abstract
Disseminated intravascular coagulation (DIC) is considered to be the most common and lethal complication of sepsis. NLR-family pyrin domain-containing-3 (NLRP3) inflammasome plays an important role in host defense against microbial pathogens, and its deregulation may cause coagulation cascade and should be strictly managed. Here, we identified the deubiquitinase YOD1, which played a vital role in regulating coagulation in a NLRP3 inflammasome-dependent manner in sepsis induced by methicillin-resistant Staphylococcus aureus (MRSA). YOD1 interacted with NLRP3 to remove K33-linked ubiquitination of NLRP3 based on its deubiquitinating enzyme activity and specifically inhibited expression of NLRP3 as well as activation of NLRP3 inflammasome. Deficiency of YOD1 expression enhanced NLRP3 inflammasome activation and coagulation both in vitro and in vivo. In addition, pharmacological inhibition of the NLRP3 effectively improved coagulation and alleviated organ injury in Yod1-/- mice infected with MRSA. Thus, our study reported that YOD1 is a key regulator of coagulation during MRSA infection, and provided YOD1 as a potential therapeutic target for the treatment of NLRP3 inflammasome-related diseases, especially MRSA sepsis-induced DIC.
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Affiliation(s)
- Chang Liu
- School of Medical Technology, Tianjin Medical University, Tianjin, China
- Key Laboratory of Emergency and Trauma of Ministry of Education, Hainan Medical University, Haikou, China
| | - Caihong Fan
- School of Medical Technology, Tianjin Medical University, Tianjin, China
| | - Jia Liu
- School of Medical Technology, Tianjin Medical University, Tianjin, China
| | - Shiqi Zhang
- School of Medical Technology, Tianjin Medical University, Tianjin, China
| | - Huixin Tang
- School of Medical Technology, Tianjin Medical University, Tianjin, China
| | - Yashan Liu
- School of Medical Technology, Tianjin Medical University, Tianjin, China
| | - Shengzheng Zhang
- Department of Molecular Pharmacology, School of Medicine, Nankai University, Tianjin, China
| | - Qiang Wu
- Key Laboratory of Emergency and Trauma of Ministry of Education, Hainan Medical University, Haikou, China
| | | | - Zhi Qi
- Department of Molecular Pharmacology, School of Medicine, Nankai University, Tianjin, China.
- Institute of Digestive Disease, Shengli Oilfield Central Hospital, Dongying, China.
- Tianjin Key Laboratory of General Surgery in Construction, Tianjin Union Medical Center, Tianjin, China.
- The First Department of Critical Care Medicine, The First Affiliated Hospital of Shihezi University, Shihezi, China.
| | - Yanna Shen
- School of Medical Technology, Tianjin Medical University, Tianjin, China.
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249
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Moustafa PE, Abo El Nasr NME, Shabana ME, Saleh DO. Fisetin mitigates letrozole-induced polycystic ovarian syndrome in rats: crosstalk of AMPK/PI3K/AKT-mediated-Nrf2 antioxidant defense mechanism and the inflammasome NLRP3/NF-κB P65/IL-1β signaling pathways. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024:10.1007/s00210-024-03124-5. [PMID: 38789632 DOI: 10.1007/s00210-024-03124-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Accepted: 04/25/2024] [Indexed: 05/26/2024]
Abstract
Polycystic ovarian syndrome (PCOS) is a highly prevalent condition affecting reproductive-aged women, causing insulin resistance, hyperandrogenism, weight gain, and menstrual problems. The present study intended to investigate the potential role of fisetin (FT) in letrozole (LZ)-induced PCOS in adult female rats and the possible mechanism underlying its action. PCOS was induced by oral administration of LZ (1 mg/kg) for 21 days. Treated rats received FT (1.25 or 2.5 mg/kg) orally once daily for 14 consecutive days. Following the experimental duration, blood samples and ovary tissues were isolated and preserved for biochemical and histopathological examinations. The results revealed that LZ-induced PCOS led to significant abnormalities in sex hormones and metabolic parameters. Additionally, it initiated an inflammatory cascade, evidenced by activation of the NF-κB p65/IL-1β and AMPK/PI3K/AKT pathways, alongside downregulation of Nrf2 ovarian gene expression and NLRP3 inflammasome activity, which enhanced the production of proinflammatory cytokines. FT demonstrated its beneficial impacts by restoring hormonal disturbance and reversing the imbalanced metabolic parameters. Moreover, FT increased the mRNA of ovarian Nrf2 levels and suppressed the up-regulated inflammatory IL-1β/NF-κB p65 signaling pathway, consequently alleviating the elevated levels of ovarian NLRP3. The histopathological examination also confirmed that FT has a beneficial effect in ameliorating PCOS, consistent with the aforementioned parameters. Finally, the present results demonstrated that FT ameliorates LZ-induced PCOS through the intricate interplay between the AMPK/PI3K/AKT-mediated Nrf2 antioxidant defense mechanism and the regulation of the inflammasome NLRP3/NF-κB p65/IL-1β signaling pathways.
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Affiliation(s)
- Passant E Moustafa
- Pharmacology Department, Medical Research and Clinical Studies Institute, National Research Centre, Giza, Egypt
| | - Nesma M E Abo El Nasr
- Pharmacology Department, Medical Research and Clinical Studies Institute, National Research Centre, Giza, Egypt.
| | - Marwa E Shabana
- Pathology Department, Medical Research and Clinical Studies Institute, National Research Centre, Giza, Egypt
| | - Dalia O Saleh
- Pharmacology Department, Medical Research and Clinical Studies Institute, National Research Centre, Giza, Egypt
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250
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Liu H, Du X, Zhang Z, Ge K, Chen X, Losiewicz MD, Guo H, Zhang H. Co-exposure of microcystin and nitrite enhanced spermatogenic disorders: The role of mtROS-mediated pyroptosis and apoptosis. ENVIRONMENT INTERNATIONAL 2024; 188:108771. [PMID: 38805914 DOI: 10.1016/j.envint.2024.108771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 04/26/2024] [Accepted: 05/21/2024] [Indexed: 05/30/2024]
Abstract
Microcystins (MCs) and nitrites are coexisted in the environment and have reproductive toxicity. The combined toxic effect and mechanism of MCs and nitrite on spermatogenesis remain largely unclear. In the present study, co-exposure to microcystin-leucine arginine (MC-LR) and sodium nitrite (NaNO2) aggravated testicular damage of Balb/c mice and mitochondrial impairment of spermatogonia, Sertoli cells, and sperm. Furthermore, MC-LR and NaNO2 reduced sperm density with a synergistic effect. In addition, MC-LR and NaNO2 synergistically induced oxidative stress in the reproductive system by decreasing superoxide dismutase (SOD) activity and glutathione (GSH) levels and increasing levels of mitochondrial reactive oxygen species (mtROS) and reactive oxygen species (ROS). More importantly, mitoquidone mesylate (MitoQ), an inhibitor of mtROS, blocked MC-LR and NaNO2-induced spermatogonia and Sertoli cell apoptosis by inhibiting high expression of Bax, Fadd, Caspase-8, and cleaved-Caspase-3. On the other hand, MitoQ suppressed pyroptosis of Sertoli cells by inhibiting the expression of NLRP3, N-GSDMD, and cleaved-Caspase-1. Additionally, MitoQ alleviated co-exposure-induced sperm density reduction and organ index disorders in F1 generation mice. Together, co-exposure of MC-LR and NaNO2 can enhance spermatogenic disorders by mitochondrial oxidative impairment-mediated germ cell death. This study emphasizes the potential risks of MC-LR and NaNO2 on reproduction in realistic environments and highlights new insights into the cause and treatment of spermatogenic disorders.
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Affiliation(s)
- Haohao Liu
- College of Public Health, Zhengzhou University, Zhengzhou 450001, Henan, China; Department of Public Health, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Xingde Du
- College of Public Health, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Zongxin Zhang
- College of Public Health, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Kangfeng Ge
- College of Public Health, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Xinghai Chen
- Department of Chemistry and Biochemistry, St Mary's University, San Antonio, TX, USA
| | - Michael D Losiewicz
- Department of Chemistry and Biochemistry, St Mary's University, San Antonio, TX, USA
| | - Hongxiang Guo
- College of Life Sciences, Henan Agricultural University, Zhengzhou, 450002 Henan, China.
| | - Huizhen Zhang
- College of Public Health, Zhengzhou University, Zhengzhou 450001, Henan, China.
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