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Haque I, Thapa P, Burns DM, Zhou J, Sharma M, Sharma R, Singh V. NLRP3 Inflammasome Inhibitors for Antiepileptogenic Drug Discovery and Development. Int J Mol Sci 2024; 25:6078. [PMID: 38892264 PMCID: PMC11172514 DOI: 10.3390/ijms25116078] [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: 05/28/2024] [Accepted: 05/29/2024] [Indexed: 06/21/2024] Open
Abstract
Epilepsy is one of the most prevalent and serious brain disorders and affects over 70 million people globally. Antiseizure medications (ASMs) relieve symptoms and prevent the occurrence of future seizures in epileptic patients but have a limited effect on epileptogenesis. Addressing the multifaceted nature of epileptogenesis and its association with the Nod-like receptor family pyrin domain containing 3 (NLRP3) inflammasome-mediated neuroinflammation requires a comprehensive understanding of the underlying mechanisms of these medications for the development of targeted therapeutic strategies beyond conventional antiseizure treatments. Several types of NLRP3 inhibitors have been developed and their effect has been validated both in in vitro and in vivo models of epileptogenesis. In this review, we discuss the advances in understanding the regulatory mechanisms of NLRP3 activation as well as progress made, and challenges faced in the development of NLRP3 inhibitors for the treatment of epilepsy.
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Affiliation(s)
- Inamul Haque
- Research and Development Service, Kansas City Veterans Affairs Medical Center, Kansas City, MO 64128, USA; (P.T.); (D.M.B.); (M.S.); (R.S.)
- Department of Math, Science and Business Technology, Kansas City Kansas Community College, Kansas City, KS 66112, USA
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, KS 66160, USA
| | - Pritam Thapa
- Research and Development Service, Kansas City Veterans Affairs Medical Center, Kansas City, MO 64128, USA; (P.T.); (D.M.B.); (M.S.); (R.S.)
- Drug Discovery Program, Midwest Veterans’ Biomedical Research Foundation, KCVA Medical Center, Kansas City, MO 64128, USA
| | - Douglas M. Burns
- Research and Development Service, Kansas City Veterans Affairs Medical Center, Kansas City, MO 64128, USA; (P.T.); (D.M.B.); (M.S.); (R.S.)
| | - Jianping Zhou
- Renal Research Laboratory, Kansas City VA Medical Center, Kansas City, MO 64128, USA;
| | - Mukut Sharma
- Research and Development Service, Kansas City Veterans Affairs Medical Center, Kansas City, MO 64128, USA; (P.T.); (D.M.B.); (M.S.); (R.S.)
- Drug Discovery Program, Midwest Veterans’ Biomedical Research Foundation, KCVA Medical Center, Kansas City, MO 64128, USA
- Renal Research Laboratory, Kansas City VA Medical Center, Kansas City, MO 64128, USA;
| | - Ram Sharma
- Research and Development Service, Kansas City Veterans Affairs Medical Center, Kansas City, MO 64128, USA; (P.T.); (D.M.B.); (M.S.); (R.S.)
| | - Vikas Singh
- Research and Development Service, Kansas City Veterans Affairs Medical Center, Kansas City, MO 64128, USA; (P.T.); (D.M.B.); (M.S.); (R.S.)
- Drug Discovery Program, Midwest Veterans’ Biomedical Research Foundation, KCVA Medical Center, Kansas City, MO 64128, USA
- Division of Neurology, Kansas City VA Medical Center, Kansas City, MO 64128, USA
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Xu Z, Kombe Kombe AJ, Deng S, Zhang H, Wu S, Ruan J, Zhou Y, Jin T. NLRP inflammasomes in health and disease. MOLECULAR BIOMEDICINE 2024; 5:14. [PMID: 38644450 PMCID: PMC11033252 DOI: 10.1186/s43556-024-00179-x] [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: 01/01/2024] [Accepted: 03/20/2024] [Indexed: 04/23/2024] Open
Abstract
NLRP inflammasomes are a group of cytosolic multiprotein oligomer pattern recognition receptors (PRRs) involved in the recognition of pathogen-associated molecular patterns (PAMPs) and danger-associated molecular patterns (DAMPs) produced by infected cells. They regulate innate immunity by triggering a protective inflammatory response. However, despite their protective role, aberrant NLPR inflammasome activation and gain-of-function mutations in NLRP sensor proteins are involved in occurrence and enhancement of non-communicating autoimmune, auto-inflammatory, and neurodegenerative diseases. In the last few years, significant advances have been achieved in the understanding of the NLRP inflammasome physiological functions and their molecular mechanisms of activation, as well as therapeutics that target NLRP inflammasome activity in inflammatory diseases. Here, we provide the latest research progress on NLRP inflammasomes, including NLRP1, CARD8, NLRP3, NLRP6, NLRP7, NLRP2, NLRP9, NLRP10, and NLRP12 regarding their structural and assembling features, signaling transduction and molecular activation mechanisms. Importantly, we highlight the mechanisms associated with NLRP inflammasome dysregulation involved in numerous human auto-inflammatory, autoimmune, and neurodegenerative diseases. Overall, we summarize the latest discoveries in NLRP biology, their forming inflammasomes, and their role in health and diseases, and provide therapeutic strategies and perspectives for future studies about NLRP inflammasomes.
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Affiliation(s)
- Zhihao Xu
- Center of Disease Immunity and Intervention, College of Medicine, Lishui University, Lishui, 323000, China
| | - Arnaud John Kombe Kombe
- Laboratory of Structural Immunology, the CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230027, China
| | - Shasha Deng
- Laboratory of Structural Immunology, the CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230027, China
| | - Hongliang Zhang
- Center of Disease Immunity and Intervention, College of Medicine, Lishui University, Lishui, 323000, China
| | - Songquan Wu
- Center of Disease Immunity and Intervention, College of Medicine, Lishui University, Lishui, 323000, China
| | - Jianbin Ruan
- Department of Immunology, University of Connecticut Health Center, Farmington, 06030, USA.
| | - Ying Zhou
- Department of Obstetrics and Gynecology, Core Facility Center, Division of Life Sciences and Medicine, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, 230001, Anhui, China.
| | - Tengchuan Jin
- Center of Disease Immunity and Intervention, College of Medicine, Lishui University, Lishui, 323000, China.
- Laboratory of Structural Immunology, the CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230027, China.
- Department of Obstetrics and Gynecology, Core Facility Center, Division of Life Sciences and Medicine, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, 230001, Anhui, China.
- Institute of Health and Medicine, Hefei Comprehensive National Science Center, Hefei, Anhui, China.
- Biomedical Sciences and Health Laboratory of Anhui Province, University of Science & Technology of China, Hefei, 230027, China.
- Clinical Research Hospital of Chinese Academy of Sciences (Hefei), University of Science and Technology of China, Hefei, 230001, China.
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Luo J, Yan R, Ding L, Ning J, Chen M, Guo Y, Liu J, Chen Z, Zhou R. Electroacupuncture Attenuates Ventilator-Induced Lung Injury by Modulating the Nrf2/HO-1 Pathway. J Surg Res 2024; 295:811-819. [PMID: 38160492 DOI: 10.1016/j.jss.2023.11.055] [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: 12/19/2022] [Revised: 10/06/2023] [Accepted: 11/12/2023] [Indexed: 01/03/2024]
Abstract
INTRODUCTION Ventilator-induced lung injury (VILI) is the most common complication associated with mechanical ventilation. Electroacupuncture (EA) has shown potent anti-inflammatory effects. This study aimed to investigate the effects of EA on VILI and explore the underlying mechanisms. METHODS Male C57BL/6 mice were subjected to high tidal volume ventilation to induce VILI. Prior to mechanical ventilation, mice received treatment with EA, nonacupoint EA, or EA combined with zinc protoporphyrin. RESULTS EA treatment significantly improved oxygenation, as indicated by increased PaO2 levels in VILI mice. Moreover, EA reduced lung injury score, lung wet/dry weight ratio, and protein concentration in bronchoalveolar lavage fluid. EA also decreased the expression of pro-inflammatory cytokines including interleukin (IL)-1β, IL-6, tumor necrosis factor-α, IL-18, chemokine keratinocyte chemoattractant, macrophage inflammatory protein 2, and malondialdehyde. Furthermore, EA increased the activities of antioxidant enzymes superoxide dismutase, catalase, and glutathione peroxidase in VILI mice. At the molecular level, EA upregulated the expression of Nrf2 (nucleus) and heme oxygenase -1, while down-regulating the expression of p-NF-κB p65, NLR Family Pyrin Domain Containing 3, Cleaved Caspase-1, and ASC in VILI mice. Notably, the effects of EA were reversed by zinc protoporphyrin treatment, nonacupoint EA did not affect the aforementioned indicators of VILI. CONCLUSIONS EA alleviates VILI by inhibiting the NLR Family Pyrin Domain Containing three inflammasome through activation of the Nrf2/HO-1 pathway.
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Affiliation(s)
- Jiansheng Luo
- Department of Anesthesiology, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Ruyu Yan
- Department of Anesthesiology, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Lingling Ding
- Department of Anesthesiology, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, China.
| | - Jiaqi Ning
- Department of Anesthesiology, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Mengjie Chen
- Department of Anesthesiology, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Yuhong Guo
- Department of Emergency, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Jiaxi Liu
- Department of Anesthesiology, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Zhuoya Chen
- Department of Anesthesiology, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Ruiling Zhou
- Department of Anesthesiology, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, China
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Napodano C, Carnazzo V, Basile V, Pocino K, Stefanile A, Gallucci S, Natali P, Basile U, Marino M. NLRP3 Inflammasome Involvement in Heart, Liver, and Lung Diseases-A Lesson from Cytokine Storm Syndrome. Int J Mol Sci 2023; 24:16556. [PMID: 38068879 PMCID: PMC10706560 DOI: 10.3390/ijms242316556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 11/16/2023] [Accepted: 11/17/2023] [Indexed: 12/18/2023] Open
Abstract
Inflammation and inflammasomes have been proposed as important regulators of the host-microorganism interaction, playing a key role in morbidity and mortality due to the coronavirus disease 2019 (COVID-19) in subjects with chronic conditions and compromised immune system. The inflammasome consists of a multiprotein complex that finely regulates the activation of caspase-1 and the production and secretion of potent pro-inflammatory cytokines such as IL-1β and IL-18. The pyrin containing NOD (nucleotide-binding oligomerization domain) like receptor (NLRP) is a family of intracellular receptors, sensing patterns associated to pathogens or danger signals and NLRP3 inflammasome is the most deeply analyzed for its involvement in the innate and adaptive immune system as well as its contribution to several autoinflammatory and autoimmune diseases. It is highly expressed in leukocytes and up-regulated in sentinel cells upon inflammatory stimuli. NLRP3 expression has also been reported in B and T lymphocytes, in epithelial cells of oral and genital mucosa, in specific parenchymal cells as cardiomyocytes, and keratinocytes, and chondrocytes. It is well known that a dysregulated activation of the inflammasome is involved in the pathogenesis of different disorders that share the common red line of inflammation in their pathogenetic fingerprint. Here, we review the potential roles of the NLRP3 inflammasome in cardiovascular events, liver damage, pulmonary diseases, and in that wide range of systemic inflammatory syndromes named as a cytokine storm.
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Affiliation(s)
- Cecilia Napodano
- Department of Laboratory of Medicine and Pathology, S. Agostino Estense Hospital, 41126 Modena, Italy;
| | - Valeria Carnazzo
- Department of Clinical Pathology, Santa Maria Goretti Hospital, AUSL Latina, 04100 Latina, Italy; (V.C.); (U.B.)
| | - Valerio Basile
- Clinical Pathology Unit and Cancer Biobank, Department of Research and Advanced Technologies, IRCCS Regina Elena National Cancer Institute, 00144 Rome, Italy;
| | - Krizia Pocino
- Unità Operativa Complessa di Patologia Clinica, Ospedale Generale di Zona San Pietro Fatebenefratelli, 00189 Rome, Italy; (K.P.); (A.S.)
| | - Annunziata Stefanile
- Unità Operativa Complessa di Patologia Clinica, Ospedale Generale di Zona San Pietro Fatebenefratelli, 00189 Rome, Italy; (K.P.); (A.S.)
| | - Stefania Gallucci
- Laboratory of Dendritic Cell Biology, Division of Innate Immunity, Department of Medicine, UMass Chan Medical School, Worcester, MA 01655, USA;
| | - Patrizia Natali
- Diagnostic Hematology and Clinical Genomics, Department of Laboratory Medicine and Pathology, AUSL/AOU Modena, 41124 Modena, Italy;
| | - Umberto Basile
- Department of Clinical Pathology, Santa Maria Goretti Hospital, AUSL Latina, 04100 Latina, Italy; (V.C.); (U.B.)
| | - Mariapaola Marino
- Dipartimento di Medicina e Chirurgia Traslazionale, Sezione di Patologia Generale, Fondazione Policlinico Universitario “A. Gemelli” IRCCS, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
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Giriyappagoudar M, Vastrad B, Horakeri R, Vastrad C. Study on Potential Differentially Expressed Genes in Idiopathic Pulmonary Fibrosis by Bioinformatics and Next-Generation Sequencing Data Analysis. Biomedicines 2023; 11:3109. [PMID: 38137330 PMCID: PMC10740779 DOI: 10.3390/biomedicines11123109] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 10/31/2023] [Accepted: 11/02/2023] [Indexed: 12/24/2023] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a chronic progressive lung disease with reduced quality of life and earlier mortality, but its pathogenesis and key genes are still unclear. In this investigation, bioinformatics was used to deeply analyze the pathogenesis of IPF and related key genes, so as to investigate the potential molecular pathogenesis of IPF and provide guidance for clinical treatment. Next-generation sequencing dataset GSE213001 was obtained from Gene Expression Omnibus (GEO), and the differentially expressed genes (DEGs) were identified between IPF and normal control group. The DEGs between IPF and normal control group were screened with the DESeq2 package of R language. The Gene Ontology (GO) and REACTOME pathway enrichment analyses of the DEGs were performed. Using the g:Profiler, the function and pathway enrichment analyses of DEGs were performed. Then, a protein-protein interaction (PPI) network was constructed via the Integrated Interactions Database (IID) database. Cytoscape with Network Analyzer was used to identify the hub genes. miRNet and NetworkAnalyst databaseswereused to construct the targeted microRNAs (miRNAs), transcription factors (TFs), and small drug molecules. Finally, receiver operating characteristic (ROC) curve analysis was used to validate the hub genes. A total of 958 DEGs were screened out in this study, including 479 up regulated genes and 479 down regulated genes. Most of the DEGs were significantly enriched in response to stimulus, GPCR ligand binding, microtubule-based process, and defective GALNT3 causes HFTC. In combination with the results of the PPI network, miRNA-hub gene regulatory network and TF-hub gene regulatory network, hub genes including LRRK2, BMI1, EBP, MNDA, KBTBD7, KRT15, OTX1, TEKT4, SPAG8, and EFHC2 were selected. Cyclothiazide and rotigotinethe are predicted small drug molecules for IPF treatment. Our findings will contribute to identification of potential biomarkers and novel strategies for the treatment of IPF, and provide a novel strategy for clinical therapy.
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Affiliation(s)
- Muttanagouda Giriyappagoudar
- Department of Radiation Oncology, Karnataka Institute of Medical Sciences (KIMS), Hubballi 580022, Karnataka, India;
| | - Basavaraj Vastrad
- Department of Pharmaceutical Chemistry, K.L.E. Socitey’s College of Pharmacy, Gadag 582101, Karnataka, India;
| | - Rajeshwari Horakeri
- Department of Computer Science, Govt First Grade College, Hubballi 580032, Karnataka, India;
| | - Chanabasayya Vastrad
- Biostatistics and Bioinformatics, Chanabasava Nilaya, Bharthinagar, Dharwad 580001, Karnataka, India
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Chen S, Bai Y, Xia J, Zhang Y, Zhan Q. Rutin alleviates ventilator-induced lung injury by inhibiting NLRP3 inflammasome activation. iScience 2023; 26:107866. [PMID: 37817937 PMCID: PMC10561045 DOI: 10.1016/j.isci.2023.107866] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 07/24/2023] [Accepted: 09/06/2023] [Indexed: 10/12/2023] Open
Abstract
Whether rutin relieves ventilator-induced lung injury (VILI) remains unclear. Here, we used network pharmacology, bioinformatics, and molecular docking to predict the therapeutic targets and potential mechanisms of rutin in the treatment of VILI. Subsequently, a mouse model of VILI was established to confirm the effects of rutin on VILI. HE staining showed that rutin alleviated VILI. TUNEL staining showed that rutin reduced apoptosis in the lung tissue of mice with VILI, and the same change was observed in the ratio of Bax/Bcl2. Furthermore, rutin reduced the expression of NLRP3, ASC, Caspase1, IL1β, and IL18 in the lung tissues of mice with VILI. Mechanistically, rutin suppressed the TLR4/NF-κB-P65 pathway, which promoted the M1 to M2 macrophage transition and alleviated inflammation in mice with VILI. Rutin relieved NLRP3 inflammasome activation by regulating M1/M2 macrophage polarization and inhibiting the activation of the TLR4/NF-κB-P65 pathway, resulting in the amelioration of VILI in mice.
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Affiliation(s)
- Shengsong Chen
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, No 2, East Yinghua Road, Chaoyang District, Beijing 100029, P.R.China
- Peking Union Medical College, Chinese Academy of Medical Sciences, No 9 Dongdan Santiao, Dongcheng District, Beijing 100730, P.R.China
- National Center for Respiratory Medicine, No 2, East Yinghua Road, Chaoyang District, Beijing 100029, P.R.China
- Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, No 2, East Yinghua Road, Chaoyang District, Beijing 100029, P.R.China
- National Clinical Research Center for Respiratory Diseases, No 2, East Yinghua Road, Chaoyang District, Beijing 100029, P.R.China
- WHO Collaborating Center for Tobacco Cessation and Respiratory Diseases Prevention, No 2, East Yinghua Road, Chaoyang District, Beijing 100029, P.R.China
| | - Yu Bai
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, No 2, East Yinghua Road, Chaoyang District, Beijing 100029, P.R.China
- Peking Union Medical College, Chinese Academy of Medical Sciences, No 9 Dongdan Santiao, Dongcheng District, Beijing 100730, P.R.China
- National Center for Respiratory Medicine, No 2, East Yinghua Road, Chaoyang District, Beijing 100029, P.R.China
- Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, No 2, East Yinghua Road, Chaoyang District, Beijing 100029, P.R.China
- National Clinical Research Center for Respiratory Diseases, No 2, East Yinghua Road, Chaoyang District, Beijing 100029, P.R.China
- WHO Collaborating Center for Tobacco Cessation and Respiratory Diseases Prevention, No 2, East Yinghua Road, Chaoyang District, Beijing 100029, P.R.China
| | - Jingen Xia
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, No 2, East Yinghua Road, Chaoyang District, Beijing 100029, P.R.China
- National Center for Respiratory Medicine, No 2, East Yinghua Road, Chaoyang District, Beijing 100029, P.R.China
- Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, No 2, East Yinghua Road, Chaoyang District, Beijing 100029, P.R.China
- National Clinical Research Center for Respiratory Diseases, No 2, East Yinghua Road, Chaoyang District, Beijing 100029, P.R.China
- WHO Collaborating Center for Tobacco Cessation and Respiratory Diseases Prevention, No 2, East Yinghua Road, Chaoyang District, Beijing 100029, P.R.China
| | - Yi Zhang
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, No 2, East Yinghua Road, Chaoyang District, Beijing 100029, P.R.China
- National Center for Respiratory Medicine, No 2, East Yinghua Road, Chaoyang District, Beijing 100029, P.R.China
- Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, No 2, East Yinghua Road, Chaoyang District, Beijing 100029, P.R.China
- National Clinical Research Center for Respiratory Diseases, No 2, East Yinghua Road, Chaoyang District, Beijing 100029, P.R.China
- WHO Collaborating Center for Tobacco Cessation and Respiratory Diseases Prevention, No 2, East Yinghua Road, Chaoyang District, Beijing 100029, P.R.China
| | - Qingyuan Zhan
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, No 2, East Yinghua Road, Chaoyang District, Beijing 100029, P.R.China
- Peking Union Medical College, Chinese Academy of Medical Sciences, No 9 Dongdan Santiao, Dongcheng District, Beijing 100730, P.R.China
- National Center for Respiratory Medicine, No 2, East Yinghua Road, Chaoyang District, Beijing 100029, P.R.China
- Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, No 2, East Yinghua Road, Chaoyang District, Beijing 100029, P.R.China
- National Clinical Research Center for Respiratory Diseases, No 2, East Yinghua Road, Chaoyang District, Beijing 100029, P.R.China
- WHO Collaborating Center for Tobacco Cessation and Respiratory Diseases Prevention, No 2, East Yinghua Road, Chaoyang District, Beijing 100029, P.R.China
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Zheng X, Zhao D, Jin Y, Liu Y, Liu D. Role of the NLRP3 inflammasome in gynecological disease. Biomed Pharmacother 2023; 166:115393. [PMID: 37660654 DOI: 10.1016/j.biopha.2023.115393] [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: 07/04/2023] [Revised: 08/20/2023] [Accepted: 08/26/2023] [Indexed: 09/05/2023] Open
Abstract
The NLR family pyrin domain containing 3 (NLRP3) inflammasome is involved in the innate immune system and is a three-part macromolecular complex comprising the NLRP3 protein, apoptosis-associated speck-like protein containing a CARD (ASC) and the cysteine protease pro-caspase-1. When the NLRP3 inflammasome is activated, it can produce interleukin (IL)- 1β and IL-18 and eventually lead to inflammatory cell pyroptosis. Related studies have demonstrated that the NLRP3 inflammasome can induce an immune response and is related to the occurrence and development of gynecological diseases, such as endometriosis, polycystic ovary syndrome and breast cancer. NLRP3 inflammasome inhibitors are beneficial for maintaining cellular homeostasis and tissue health and have been found effective in targeting some gynecological diseases. However, excessive inhibitor concentrations have been found to cause adverse effects. Therefore, proper control of NLRP3 inflammasome activity is critical. This paper summarizes the structure and function of the NLRP3 inflammasome and highlights the therapeutic potential of targeting it in gynecological diseases, such as endometriosis, polycystic ovary syndrome and breast cancer The application of NLRP3 inflammasome inhibitors is also discussed.
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Affiliation(s)
- Xu Zheng
- College of Acupuncture and Massage, Changchun University of Chinese Medicine, Changchun 130117, Jilin, China
| | - Dan Zhao
- College of Acupuncture and Massage, Changchun University of Chinese Medicine, Changchun 130117, Jilin, China
| | - Ye Jin
- School of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, Jilin, China.
| | - Yang Liu
- Acupuncture department,Affiliated Hospital of Changchun University of Chinese Medicine, Changchun 130117, Jilin, China.
| | - Da Liu
- School of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, Jilin, China.
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Liu H, Yang X, Liu G. Regulation of cell proliferation and transdifferentiation compensates for ventilator-induced lung injury mediated by NLRP3 inflammasome activation. Immun Inflamm Dis 2023; 11:e1062. [PMID: 37904713 PMCID: PMC10599283 DOI: 10.1002/iid3.1062] [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: 05/31/2023] [Revised: 10/01/2023] [Accepted: 10/11/2023] [Indexed: 11/01/2023] Open
Abstract
BACKGROUND Mechanical ventilation is an important means of respiratory support and treatment for various diseases. However, its use can lead to serious complications, especially ventilator-induced lung injury (VILI). The mechanisms underlying this disease are complex, but activation of inflammatory signalling pathways results in activation of cytokines and inflammatory mediators, which play key roles in VILI. Recent studies have demonstrated that nod-like receptor protein 3 (NLRP3) inflammasome activation mediates VILI and also accompanied by cell proliferation and transdifferentiation to compensate for alveolar membrane damage. Type I alveolar epithelial cells (AECs I), which are involved in the formation of the blood-air barrier, are vulnerable to damage but cannot proliferate by themselves; thus, replacing AECs I relies on type II alveolar epithelial cells (AECs II). OBJECTIVE The review aims to introduce the mechanisms of NLRP3 inflammasome activation and its inhibitors, as well as the mechanisms that regulate cell proliferation and transdifferentiation. METHODS A large number of relevant literature was searched, then the key content was summarized and figures were also made. RESULTS The mechanism of NLRP3 inflammasome activation has been further explored, including but not limited to pathogenic and aseptic inflammatory signals, such as, pathogenic molecular patterns and host-derived danger-associated molecular patterns activate toll-like receptor 4/nuclear factor-kappaB pathway or reactive oxygen species, cyclic stretch, adenosine triphosphate induce K+ efflux through P2X7, Ca2+ inflow, mitochondrial damage, etc, eventually induce NIMA-related kinase 7/NLRP3 binding and NLRP3 inflammasome activation. Not only that, the review also described in detail the inhibitors of NLRP3 inflammasome. And the mechanisms regulating cell proliferation and transdifferentiation are complex and unclear, including the Wnt/β-catenin, Yap/Taz, BMP/Smad and Notch signalling pathways. CONCLUSIONS NLRP3 inflammasome activation mediated VILI, and VILI is alleviated after interfering with its activation, and inflammation and repair exist simultaneously in VILI. Clarifying these mechanisms is expected to provide theoretical guidance for alleviating VILI by inhibiting the inflammatory response and accelerating alveolar epithelial cell regeneration in the early stage.
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Affiliation(s)
- Huan Liu
- Department of AnesthesiologyQilu Hospital of Shandong UniversityJi'nanChina
| | - Xuepeng Yang
- Department of OphtalmologyJinan Second People's HospitalJi'nanChina
| | - Ge Liu
- Department of OphtalmologyQilu Hospital of Shandong UniversityJi'nanChina
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Chen L, Ballout F, Lu H, Hu T, Zhu S, Chen Z, Peng D. Differential Expression of NEK Kinase Family Members in Esophageal Adenocarcinoma and Barrett's Esophagus. Cancers (Basel) 2023; 15:4821. [PMID: 37835513 PMCID: PMC10571661 DOI: 10.3390/cancers15194821] [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: 09/01/2023] [Revised: 09/20/2023] [Accepted: 09/28/2023] [Indexed: 10/15/2023] Open
Abstract
The incidence of esophageal adenocarcinoma (EAC) has risen rapidly during the past four decades, making it the most common type of esophageal cancer in the USA and Western countries. The NEK (Never in mitosis A (NIMA) related kinase) gene family is a group of serine/threonine kinases with 11 members. Aberrant expression of NEKs has been recently found in a variety of human cancers and plays important roles in tumorigenesis, progression, and drug-resistance. However, the expression of the NEKs in EAC and its precancerous condition (Barrett's esophagus, BE) has not been investigated. In the present study, we first analyzed the TCGA and 9 GEO databases (a total of 10 databases in which 8 contain EAC and 6 contain BE) using bioinformatic approaches for NEKs expression in EAC and BE. We identified that several NEK members, such as NEK2 (7/8), NEK3 (6/8), and NEK6 (6/8), were significantly upregulated in EAC as compared to normal esophagus samples. Alternatively, NEK1 was downregulated in EAC as compared to the normal esophagus. On the contrary, genomic alterations of these NEKs are not frequent in EAC. We validated the above findings using qRT-PCR and the protein expression of NEKs in EAC cell lines using Western blotting and in primary EAC tissues using immunohistochemistry and immunofluorescence. Our data suggest that frequent upregulation of NEK2, NEK3, and NEK7 may be important in EAC.
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Affiliation(s)
- Lei Chen
- Department of Surgery, Miller School of Medicine, University of Miami, Miami, FL 33136, USA; (L.C.); (F.B.); (H.L.); (T.H.); (S.Z.); (Z.C.)
| | - Farah Ballout
- Department of Surgery, Miller School of Medicine, University of Miami, Miami, FL 33136, USA; (L.C.); (F.B.); (H.L.); (T.H.); (S.Z.); (Z.C.)
| | - Heng Lu
- Department of Surgery, Miller School of Medicine, University of Miami, Miami, FL 33136, USA; (L.C.); (F.B.); (H.L.); (T.H.); (S.Z.); (Z.C.)
- Sylvester Comprehensive Cancer Center, Miami, FL 33136, USA
| | - Tianling Hu
- Department of Surgery, Miller School of Medicine, University of Miami, Miami, FL 33136, USA; (L.C.); (F.B.); (H.L.); (T.H.); (S.Z.); (Z.C.)
| | - Shoumin Zhu
- Department of Surgery, Miller School of Medicine, University of Miami, Miami, FL 33136, USA; (L.C.); (F.B.); (H.L.); (T.H.); (S.Z.); (Z.C.)
| | - Zheng Chen
- Department of Surgery, Miller School of Medicine, University of Miami, Miami, FL 33136, USA; (L.C.); (F.B.); (H.L.); (T.H.); (S.Z.); (Z.C.)
- Sylvester Comprehensive Cancer Center, Miami, FL 33136, USA
| | - Dunfa Peng
- Department of Surgery, Miller School of Medicine, University of Miami, Miami, FL 33136, USA; (L.C.); (F.B.); (H.L.); (T.H.); (S.Z.); (Z.C.)
- Sylvester Comprehensive Cancer Center, Miami, FL 33136, USA
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10
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Wang X, Zhao Y, Wang D, Liu C, Qi Z, Tang H, Liu Y, Zhang S, Cui Y, Li Y, Liu R, Shen Y. ALK-JNK signaling promotes NLRP3 inflammasome activation and pyroptosis via NEK7 during Streptococcus pneumoniae infection. Mol Immunol 2023; 157:78-90. [PMID: 37001294 DOI: 10.1016/j.molimm.2023.03.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 03/16/2023] [Accepted: 03/23/2023] [Indexed: 03/31/2023]
Abstract
Streptococcus pneumoniae (S. pneumoniae), a clinically important pathogen worldwide, causes serious invasive diseases, such as pneumonia, otitis media, and meningitis. The NLR family pyrin domain-containing 3 (NLRP3) inflammasome, an important component of the innate immune system, plays a key role in defense against pathogen infection; however the specific activation mechanism induced by S. pneumoniae infection is not fully understood. Here, primary mouse macrophages were selected as the in vitro cell model, and the effect of kinases on S. pneumoniae infection-induced NLRP3 inflammasome activation was investigated in vivo and in vitro using the western blot/RT-PCR/Co-IP/immunofluorescence staining/ELISA with or without kinase inhibitor or siRNA pretreatment. In this study, we found that the formation of the NEK7-NLRP3 complex significantly increased during S. pneumoniae infection and that anaplastic lymphoma kinase (ALK) and Jun N-terminal kinase (JNK) were phosphorylated rapidly. ALK and JNK inhibitors significantly reduced the ability of bacterial killing, the gene expression of NLRP3 inflammasome, the formation of apoptosis-associated speck-like protein containing caspase-recruitment domain (ASC) specks and the NEK7-NLRP3 complex, which in turn decreased the activation level of NLRP3 inflammasome-associated molecules and the maturation of interleukin-1β (IL-1β). In addition, ALK regulated the phosphorylation of JNK. Interestingly, the ALK/JNK/NEK7-NLRP3 signaling pathway is also involved in regulating pyroptosis and IL-1β secretion triggered by S. pneumoniae infection. In conclusion, our data suggest, for the first time, that the ALK/JNK/NEK7-NLRP3 signaling pathway may play an important role in NLRP3 inflammasome activation and pyroptosis and consequently regulate the host immune response upon S. pneumoniae infection.
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Affiliation(s)
- Xia Wang
- Department of Laboratory Medicine, West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Yan Zhao
- School of Medical Laboratory, Tianjin Medical University, Tianjin 300203, PR China
| | - Dan Wang
- School of Medical Laboratory, Tianjin Medical University, Tianjin 300203, PR China
| | - Chang Liu
- School of Medical Laboratory, Tianjin Medical University, Tianjin 300203, PR China; Key Laboratory of Emergency and Trauma of Ministry of Education, Hainan Medical University, Haikou 571199, PR China
| | - Zhi Qi
- Key Laboratory of Emergency and Trauma of Ministry of Education, Hainan Medical University, Haikou 571199, PR China
| | - Huixin Tang
- School of Medical Laboratory, Tianjin Medical University, Tianjin 300203, PR China
| | - Yashan Liu
- School of Medical Laboratory, Tianjin Medical University, Tianjin 300203, PR China
| | - Shiqi Zhang
- School of Medical Laboratory, Tianjin Medical University, Tianjin 300203, PR China
| | - Yali Cui
- Department of Laboratory Medicine, West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China; Key Laboratory of Birth Defects and Related Diseases of Women and Children, Sichuan University, Chengdu, Sichuan 610041, PR China
| | - Yingying Li
- Department of Laboratory Medicine, West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China; Key Laboratory of Birth Defects and Related Diseases of Women and Children, Sichuan University, Chengdu, Sichuan 610041, PR China.
| | - Ruiqing Liu
- School of Medical Laboratory, Tianjin Medical University, Tianjin 300203, PR China; The Third Central Hospital of Tianjin, 83 Jintang Road, Hedong District, Tianjin 300170, PR China; Tianjin Key Laboratory of Extracorporeal Life Support for Critical Diseases, Tianjin 300170, PR China; Artificial Cell Engineering Technology Research Center, Tianjin 300170, PR China; Tianjin Institute of Hepatobiliary Disease, Tianjin 300170, PR China.
| | - Yanna Shen
- School of Medical Laboratory, Tianjin Medical University, Tianjin 300203, PR China; Key Laboratory of Emergency and Trauma of Ministry of Education, Hainan Medical University, Haikou 571199, PR China.
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11
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Waldstein KA, Varga SM. Respiratory viruses and the inflammasome: The double-edged sword of inflammation. PLoS Pathog 2022; 18:e1011014. [PMID: 36580480 PMCID: PMC9799286 DOI: 10.1371/journal.ppat.1011014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Affiliation(s)
- Kody A. Waldstein
- Interdisciplinary Graduate Program in Immunology, University of Iowa, Iowa City, Iowa, United Stated of America
| | - Steven M. Varga
- Interdisciplinary Graduate Program in Immunology, University of Iowa, Iowa City, Iowa, United Stated of America
- Department of Microbiology and Immunology, University of Iowa, Iowa City, Iowa, United Stated of America
- Department of Pathology, University of Iowa, Iowa City, Iowa, United Stated of America
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12
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Sun C, Zhao H, Han Y, Wang Y, Sun X. The Role of Inflammasomes in COVID-19: Potential Therapeutic Targets. J Interferon Cytokine Res 2022; 42:406-420. [PMID: 35984324 DOI: 10.1089/jir.2022.0061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
The coronavirus 2019 disease (COVID-19) pandemic has caused massive morbidity and mortality worldwide. In severe cases, it is mainly associated with acute pneumonia, cytokine storm, and multi-organ dysfunction. Inflammasomes play a primary role in various pathological processes such as infection, injury, and cancer. However, their role in COVID-19-related complications has not been explored. In addition, the role of underlying medical conditions on COVID-19 disease severity remains unclear. Therefore, this review expounds on the mechanisms of inflammasomes following COVID-19 infection and provides recent evidence on the potential double-edged sword effect of inflammasomes during COVID-19 pathogenesis. The assembly and activation of inflammasomes are critical for inducing effective antiviral immune responses and disease resolution. However, uncontrolled activation of inflammasomes causes excessive production of proinflammatory cytokines (cytokine storm), increased risk of acute respiratory distress syndrome, and death. Therefore, discoveries in the role of the inflammasome in mediating organ injury are key to identifying therapeutic targets and treatment modifications to prevent or reduce COVID-19-related complications.
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Affiliation(s)
- Chen Sun
- Department of Clinical Medicine, School of Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Hangyuan Zhao
- Department of Clinical Medicine, School of Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Yunze Han
- Department of Clinical Medicine, School of Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Yiqing Wang
- Department of Clinical Medicine, School of Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Xiao Sun
- Department of Basic Medical Research Center, Academy of Medical Sciences, Zhengzhou University, Zhengzhou, China.,State Key Laboratory of Esophageal Cancer Prevention and Treatment, Zhengzhou University, Zhengzhou, China
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13
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Wang J, Chen S, Liu M, Zhang M, Jia X. NEK7: a new target for the treatment of multiple tumors and chronic inflammatory diseases. Inflammopharmacology 2022; 30:1179-1187. [PMID: 35829941 DOI: 10.1007/s10787-022-01026-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 06/20/2022] [Indexed: 11/05/2022]
Abstract
NIMA-related kinase 7 (NEK7) is a serine/threonine kinase, which is the smallest one in mammalian NEK family. At present, many studies have reported that NEK7 has a physiological role in regulating the cell cycle and promoting the mitotic process of cells. In recent years, an increasing number of studies have proposed that NEK7 is involved in the activation of the NLRP3 inflammasome. Under normal conditions, NEK7 is in a low activity state, while under pathological conditions, NEK7 is abnormally expressed and therefore plays a key role in the progression of multiple tumors and chronic inflammatory diseases. This review will concentrate on the mechanism of NEK7 participates in the process of mitosis and regulates the activation of NLRP3 inflammasome, the aberrant expression of NEK7 in a variety of tumors and chronic inflammatory diseases, and some potential inhibitors, which may provide some new ideas for the treatment of diverse tumors and chronic inflammatory diseases associated with NEK7.
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Affiliation(s)
- Jin Wang
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, People's Republic of China.,Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, 230012, People's Republic of China.,Anhui Province Key Laboratory of Research and Development of Chinese Medicine, Hefei, 230012, People's Republic of China
| | - Simeng Chen
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, People's Republic of China.,Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, 230012, People's Republic of China.,Anhui Province Key Laboratory of Research and Development of Chinese Medicine, Hefei, 230012, People's Republic of China
| | - Min Liu
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, People's Republic of China.,Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, 230012, People's Republic of China.,Anhui Province Key Laboratory of Research and Development of Chinese Medicine, Hefei, 230012, People's Republic of China
| | - Min Zhang
- Department of Rheumatology and Immunology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, People's Republic of China
| | - Xiaoyi Jia
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, People's Republic of China. .,Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, 230012, People's Republic of China. .,Anhui Province Key Laboratory of Research and Development of Chinese Medicine, Hefei, 230012, People's Republic of China.
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14
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Sun W, Yue M, Xi G, Wang K, Sai J. Knockdown of NEK7 alleviates anterior cruciate ligament transection osteoarthritis (ACLT)-induced knee osteoarthritis in mice via inhibiting NLRP3 activation. Autoimmunity 2022; 55:398-407. [PMID: 35798413 DOI: 10.1080/08916934.2022.2093861] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Osteoarthritis is thought to be a NLRP3-related disease. NEK7 is an essential mediator for NLRP3 inflammasome activation. This study aimed to demonstrate whether NEK7 has regulatory roles in the pathogenesis of osteoarthritis. C57BL/6 mice were subjected to anterior cruciate ligament transection osteoarthritis (ACLT) for constructing animal models of osteoarthritis. Injection of adeno-associated virus (AAV) expressing NEK7-specific shRNA into the knee joints of mice, following of which immunohistochemistry, qRT-PCR, western blotting, Safranin-O Fast Green staining, ELISA, and co-immunoprecipitation were performed to determine the effects of NEK7. NEK7 was highly expressed in the joint tissues of ACLT mice. As compared with shScr, AAV delivery of NEK7 shRNA significantly inhibited cartilage degeneration, OARSI score, and serum CTX-II and COMP levels. AAV delivery of NEK7 shRNA downregulated the expression of matrix-degrading enzymes (ADAMTS-4, MMP3, and MMP13) and upregulated the expression of ECM-related molecules (SOX9, collagen II, and aggrecan). In addition, AAV delivery of NEK7 shRNA alleviated ACLT-induced synovial inflammation, as was evidenced by the decreased levels of TNF-α, IL-6, IL-1β, and IL-18 and increased levels of IL-10. In the joint tissues of ACLT mice, NEK7 interacted with NLRP3 proteins. AAV delivery of NEK7 shRNA inhibited the protein interaction, and thereby inhibited the activation of the NLRP3 inflammasome. AAV delivery of NEK7 shRNA has no significant effects on cartilage degeneration and synovial inflammation in Nlrp3-/- mice. In conclusion, knockdown of NEK7 exerted anti-osteoarthritic effects, possibly via inhibiting the activation of the NLRP3 inflammasome. This study provided a novel mechanism of NEK7-NLRP3 interaction affecting osteoarthritis.
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Affiliation(s)
- Wei Sun
- Department of Sports Medicine, Qilu Hospital (Qingdao), Cheeloo College of Medicine, Shandong University, Qingdao, Shandong, P.R. China
| | - Maoxing Yue
- Pingyi County Traditional Chinese Medicine, Pingyi, Shandong, P.R. China
| | - Guangmin Xi
- Qi Lu Normal University, Jinan, Shandong, P.R. China
| | - Kai Wang
- Department of Traumatic Orthopedics, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, P.R. China
| | - Jiaming Sai
- Department of Hand and Foot Surgery, Qilu Hospital (Qingdao), Cheeloo College of Medicine, Shandong University, Qingdao, Shandong, P.R. China
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15
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Artlett CM. The Mechanism and Regulation of the NLRP3 Inflammasome during Fibrosis. Biomolecules 2022; 12:biom12050634. [PMID: 35625564 PMCID: PMC9138796 DOI: 10.3390/biom12050634] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 03/29/2022] [Accepted: 03/31/2022] [Indexed: 02/01/2023] Open
Abstract
Fibrosis is often the end result of chronic inflammation. It is characterized by the excessive deposition of extracellular matrix. This leads to structural alterations in the tissue, causing permanent damage and organ dysfunction. Depending on the organ it effects, fibrosis can be a serious threat to human life. The molecular mechanism of fibrosis is still not fully understood, but the NLRP3 (NOD-, LRR- and pyrin–domain–containing protein 3) inflammasome appears to play a significant role in the pathogenesis of fibrotic disease. The NLRP3 inflammasome has been the most extensively studied inflammatory pathway to date. It is a crucial component of the innate immune system, and its activation mediates the secretion of interleukin (IL)-1β and IL-18. NLRP3 activation has been strongly linked with fibrosis and drives the differentiation of fibroblasts into myofibroblasts by the chronic upregulation of IL-1β and IL-18 and subsequent autocrine signaling that maintains an activated inflammasome. Both IL-1β and IL-18 are profibrotic, however IL-1β can have antifibrotic capabilities. NLRP3 responds to a plethora of different signals that have a common but unidentified unifying trigger. Even after 20 years of extensive investigation, regulation of the NLRP3 inflammasome is still not completely understood. However, what is known about NLRP3 is that its regulation and activation is complex and not only driven by various activators but controlled by numerous post-translational modifications. More recently, there has been an intensive attempt to discover NLRP3 inhibitors to treat chronic diseases. This review addresses the role of the NLRP3 inflammasome in fibrotic disorders across many different tissues. It discusses the relationships of various NLRP3 activators to fibrosis and covers different therapeutics that have been developed, or are currently in development, that directly target NLRP3 or its downstream products as treatments for fibrotic disorders.
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Affiliation(s)
- Carol M Artlett
- Department of Microbiology & Immunology, College of Medicine, Drexel University, Philadelphia, PA 19129, USA
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16
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Lu N, Cheng W, Liu D, Liu G, Cui C, Feng C, Wang X. NLRP3-Mediated Inflammation in Atherosclerosis and Associated Therapeutics. Front Cell Dev Biol 2022; 10:823387. [PMID: 35493086 PMCID: PMC9045366 DOI: 10.3389/fcell.2022.823387] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2021] [Accepted: 02/24/2022] [Indexed: 11/15/2022] Open
Abstract
The NLRP3 inflammasome is a crucial constituent of the body’s innate immune system, and a multiprotein platform which is initiated by pattern recognition receptors (PRRs). Its activation leads to caspase-1 maturation and release of inflammatory cytokines, interleukin-1β (IL-1β) and IL-18, and subsequently causes pyroptosis. Recently, the excess activation of NLRP3 inflammasome has been confirmed to mediate inflammatory responses and to participate in genesis and development of atherosclerosis. Therefore, the progress on the discovery of specific inhibitors against the NLRP3 inflammasome and the upstream and downstream inflammatory factors has become potential targets for clinical treatment. Here we review the recently described mechanisms about the NLRP3 inflammasome activation, and discuss emphatically the pharmacological interventions using statins and natural medication for atherosclerosis associated with NLRP3 inflammasome.
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Affiliation(s)
- Na Lu
- Henan Key Laboratory of Medical Tissue Regeneration, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, China
| | - Weijia Cheng
- Henan Key Laboratory of Medical Tissue Regeneration, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, China
| | - Dongling Liu
- Henan Key Laboratory of Medical Tissue Regeneration, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, China
| | - Gang Liu
- Henan Key Laboratory of Medical Tissue Regeneration, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, China
| | - Can Cui
- Henan Key Laboratory of Medical Tissue Regeneration, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, China
- Department of Cardiology, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, China
| | - Chaoli Feng
- Henan Key Laboratory of Medical Tissue Regeneration, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, China
| | - Xianwei Wang
- Henan Key Laboratory of Medical Tissue Regeneration, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, China
- Department of Cardiology, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, China
- *Correspondence: Xianwei Wang,
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17
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Yang H, Wang L, Yang M, Hu J, Zhang E, Peng L. Oridonin attenuates LPS-induced early pulmonary fibrosis by regulating impaired autophagy, oxidative stress, inflammation and EMT. Eur J Pharmacol 2022; 923:174931. [PMID: 35398392 DOI: 10.1016/j.ejphar.2022.174931] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 03/20/2022] [Accepted: 03/28/2022] [Indexed: 11/03/2022]
Abstract
CONTEXT Oridonin (Ori) possesses anti-inflammatory, antioxidant and antitumor properties. However, the effects of Ori on Lipopolysaccharide (LPS)-induced early pulmonary fibrosis remain unclear. OBJECTIVE We evaluated the protective effects of Ori on the mice model of pulmonary fibrosis. MATERIALS AND METHODS The BALB/C mice were given LPS (1 mg/kg) or Ori (20 mg/kg) according to experimental grouping. Then the left lung tissues were used for HE, immunohistochemical and Masson staining, and the right lung tissues were used for hydroxyproline measurement and western blot experiments. Bronchoalveolar lavage fluid was collected for Giemsa staining. RESULTS The high levels of hydroxyproline induced by LPS were reduced by Ori treatment. Immunohistochemical staining and western blot analysis showed that Ori inhibited the increased levels of fibrosis-related proteins (α-smooth muscle actin, transforming growth factor-β, Collagen Ⅰ and phosphorylated-smad). Additionally, Ori treatment increased E-cadherin levels and decreased in Snail and Slug levels. Besides, Ori could suppress LPS-induced the infiltration of neutrophils and activation of the NLRP3 inflammasome. In addition, LPS caused the upregulation of NADPH oxidase 4 and exacerbated lung fibrosis. As the activator of NF-E2 related factor-2, Ori exerted protective effects in this animal model. Moreover, Ori reversed the LPS-triggered increases in Beclin-1, P62/sequestosome 1, autophagy related 3 and LC3. CONCLUSIONS These findings suggested that Ori protected against LPS-induced early pulmonary fibrosis by inhibiting NLRP3-dependent inflammation, NADPH oxidase 4-dependent oxidative stress, the impaired autophagy and epithelial mesenchymal transformation.
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Affiliation(s)
- Huahong Yang
- Department of Respiratory Medicine, The First Hospital of Jilin University, Changchun, China
| | - Lidong Wang
- Institute of Translational Medicine, The First Hospital of Jilin University, Changchun, China
| | - Manshi Yang
- Institute of Translational Medicine, The First Hospital of Jilin University, Changchun, China
| | - Jianqiang Hu
- Institute of Translational Medicine, The First Hospital of Jilin University, Changchun, China
| | - Erli Zhang
- Department of Traditional Chinese Medicine, The First Hospital of Jilin University, Changchun, China.
| | - Liping Peng
- Department of Respiratory Medicine, The First Hospital of Jilin University, Changchun, China.
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18
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Wang M, Lin X, Yang X, Yang Y. Research progress on related mechanisms of uric acid activating NLRP3 inflammasome in chronic kidney disease. Ren Fail 2022; 44:615-624. [PMID: 35382689 PMCID: PMC9004527 DOI: 10.1080/0886022x.2022.2036620] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/29/2022] Open
Abstract
Hyperuricemia is an independent risk factor for the progression of chronic kidney disease. High levels of uric acid can lead to a series of pathological conditions, such as gout, urinary stones, inflammation, and uric acid nephropathy. There is a close relationship between uric acid and the NLRP3 inflammasome. NLRP3 inflammasome activation can cause cell damage and even death through endoplasmic reticulum stress, lysosome destruction, mitochondrial dysfunction, and the interaction between the Golgi apparatus and extracellular vesicles. In addition, the NLRP3 inflammasome acts as a molecular platform, triggering the activation of caspase-1 and the lysis of IL-1β, IL-18 and Gasdermin D (GSDMD) through different molecular mechanisms. Cleaved NT-GSDMD forms pores in the cell membrane and triggers pyrophosphorylation, thereby inducing cell death and releasing many intracellular proinflammatory molecules. In recent years, studies have found that hyperuricemia or uric acid crystals can activate NLRP3 inflammasomes, and the activation of NLRP3 inflammasomes plays an important role in kidney disease. This article reviews the possible pathophysiological mechanisms by which uric acid activates inflammasomes and induces kidney damage at the cellular and molecular levels.
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Affiliation(s)
- Miao Wang
- Department of Nephrology, Yijishan Hospital of Wannan Medical College, Wuhu, China
| | - Xin Lin
- Department of Nephrology, Yijishan Hospital of Wannan Medical College, Wuhu, China
| | - Xiaoming Yang
- Department of Nephrology, Yijishan Hospital of Wannan Medical College, Wuhu, China
| | - Yanlang Yang
- Department of Nephrology, Yijishan Hospital of Wannan Medical College, Wuhu, China
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19
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Wang Y, Zeng Z, Ran J, Peng L, Wu X, Ye C, Dong C, Peng Y, Fang R. The Critical Role of Potassium Efflux and Nek7 in Pasteurella multocida-Induced NLRP3 Inflammasome Activation. Front Microbiol 2022; 13:849482. [PMID: 35350616 PMCID: PMC8957907 DOI: 10.3389/fmicb.2022.849482] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 02/14/2022] [Indexed: 11/16/2022] Open
Abstract
Pasteurella multocida is a zoonotic pathogen causing respiratory infection in different animal species such as cattle, sheep, pigs, chickens and humans. Inflammasome is a complex assembled by multiple proteins in the cytoplasm and plays an important role in the host defense against microbial infection. Bovine Pasteurella multocida type A (PmCQ2) infection induces NLRP3 inflammasome activation and IL-1β secretion, but the mechanism of PmCQ2-induced activation of NLRP3 inflammasome is still unknown. Therefore, the underlying mechanism was investigated in this study. The results showed that potassium efflux mediated PmCQ2-induced IL-1β secretion and blocking potassium efflux attenuated PmCQ2-induced caspase-1 activation and ASC oligomerization. Furthermore, NIMA-related kinase 7 (Nek7) was also involved in PmCQ2-induced caspase-1 activation and IL-1β secretion. In addition, PmCQ2 infection promoted Nek7-NLRP3 interaction, which is dependent on potassium efflux. In conclusion, our results indicate the critical role of potassium efflux and Nek7 in Pasteurella multocida-induced NLRP3 inflammasome activation, which provides useful information about Pasteurella multocida-induced host immune response.
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Affiliation(s)
- Yu Wang
- Joint International Research Laboratory of Animal Health and Animal Food Safety, College of Veterinary Medicine, Southwest University, Chongqing, China
| | - Zheng Zeng
- Chongqing Animal Disease Prevention and Control Center, Chongqing, China
| | - Jinrong Ran
- Joint International Research Laboratory of Animal Health and Animal Food Safety, College of Veterinary Medicine, Southwest University, Chongqing, China
| | - Lianci Peng
- Joint International Research Laboratory of Animal Health and Animal Food Safety, College of Veterinary Medicine, Southwest University, Chongqing, China
| | - Xingping Wu
- Joint International Research Laboratory of Animal Health and Animal Food Safety, College of Veterinary Medicine, Southwest University, Chongqing, China
| | - Chao Ye
- Joint International Research Laboratory of Animal Health and Animal Food Safety, College of Veterinary Medicine, Southwest University, Chongqing, China
| | - Chunxia Dong
- Chongqing Animal Disease Prevention and Control Center, Chongqing, China
| | - Yuanyi Peng
- Joint International Research Laboratory of Animal Health and Animal Food Safety, College of Veterinary Medicine, Southwest University, Chongqing, China.,Immunology Research Center, Medical Research Institute, Southwest University, Chongqing, China.,Chongqing Key Laboratory of Herbivore Science, Chongqing, China
| | - Rendong Fang
- Joint International Research Laboratory of Animal Health and Animal Food Safety, College of Veterinary Medicine, Southwest University, Chongqing, China.,Immunology Research Center, Medical Research Institute, Southwest University, Chongqing, China.,Chongqing Key Laboratory of Herbivore Science, Chongqing, China
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20
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Foley A, Steinberg BE, Goldenberg NM. Inflammasome Activation in Pulmonary Arterial Hypertension. Front Med (Lausanne) 2022; 8:826557. [PMID: 35096915 PMCID: PMC8792742 DOI: 10.3389/fmed.2021.826557] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 12/20/2021] [Indexed: 01/01/2023] Open
Abstract
Inflammasomes are multi-protein complexes that sense both infectious and sterile inflammatory stimuli, launching a cascade of responses to propagate danger signaling throughout an affected tissue. Recent studies have implicated inflammasome activation in a variety of pulmonary diseases, including pulmonary arterial hypertension (PAH). Indeed, the end-products of inflammasome activation, including interleukin (IL)-1β, IL-18, and lytic cell death (“pyroptosis”) are all key biomarkers of PAH, and are potentially therapeutic targets for human disease. This review summarizes current knowledge of inflammasome activation in immune and vascular cells of the lung, with a focus on the role of these pathways in the pathogenesis of PAH. Special emphasis is placed on areas of potential drug development focused on inhibition of inflammasomes and their downstream effectors.
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Affiliation(s)
- Anna Foley
- Department of Physiology, University of Toronto, Toronto, ON, Canada
| | - Benjamin E Steinberg
- Department of Physiology, University of Toronto, Toronto, ON, Canada.,Department of Anesthesia and Pain Medicine, The Hospital for Sick Children, The University of Toronto, Toronto, ON, Canada
| | - Neil M Goldenberg
- Department of Physiology, University of Toronto, Toronto, ON, Canada.,Department of Anesthesia and Pain Medicine, The Hospital for Sick Children, The University of Toronto, Toronto, ON, Canada
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21
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Shen S, Wang Z, Sun H, Ma L. Role of NLRP3 Inflammasome in Myocardial Ischemia-Reperfusion Injury and Ventricular Remodeling. Med Sci Monit 2022; 28:e934255. [PMID: 35042840 PMCID: PMC8790935 DOI: 10.12659/msm.934255] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Reperfusion therapy is the optimal therapy for acute myocardial infarction (AMI), but acute inflammatory injury and chronic heart failure (HF) after myocardial ischemia and reperfusion (MI/R) remain the leading cause of death after AMI. Pyroptosis, a newly discovered form of cell death, has been proven to play a significant role in the acute reperfusion process and the subsequent chronic process of ventricular remodeling. Current research shows that multiple stimuli activate the pyroptotic signaling pathway and contribute to cell death and nonbacterial inflammation after MI/R. These stimuli promote the assembly of the nucleotide-binding and oligomerization-like receptor pyrin domain-containing protein 3 (NLRP3) inflammasome by activating NLRP3. The mature NLRP3 inflammasome cleaves procaspase-1 to active caspase-1, which leads to mature processing of interleukin (IL)-18, IL-1β, and gasdermin D (GSDMD) protein. That eventually results in cell lysis and generation of nonbacterial inflammation. The present review summarizes the mechanism of NLRP3 inflammasome activation after MI/R and discusses the role that NLRP3-mediated pyroptosis plays in the pathophysiology of MI/R injury and ventricular remodeling. We also discuss potential mechanisms and targeted therapy for which there is evidence supporting treatment of ischemic heart disease.
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Affiliation(s)
- Shichun Shen
- Department of Cardiology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China (mainland)
| | - Zhen Wang
- Department of Cardiology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China (mainland)
| | - Haozhong Sun
- Department of Cardiology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China (mainland)
| | - Likun Ma
- Department of Cardiology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China (mainland)
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22
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Joelsson JP, Ingthorsson S, Kricker J, Gudjonsson T, Karason S. Ventilator-induced lung-injury in mouse models: Is there a trap? Lab Anim Res 2021; 37:30. [PMID: 34715943 PMCID: PMC8554750 DOI: 10.1186/s42826-021-00108-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 10/20/2021] [Indexed: 12/15/2022] Open
Abstract
Ventilator-induced lung injury (VILI) is a serious acute injury to the lung tissue that can develop during mechanical ventilation of patients. Due to the mechanical strain of ventilation, damage can occur in the bronchiolar and alveolar epithelium resulting in a cascade of events that may be fatal to the patients. Patients requiring mechanical ventilation are often critically ill, which limits the possibility of obtaining patient samples, making VILI research challenging. In vitro models are very important for VILI research, but the complexity of the cellular interactions in multi-organ animals, necessitates in vivo studies where the mouse model is a common choice. However, the settings and duration of ventilation used to create VILI in mice vary greatly, causing uncertainty in interpretation and comparison of results. This review examines approaches to induce VILI in mouse models for the last 10 years, to our best knowledge, summarizing methods and key parameters presented across the studies. The results imply that a more standardized approach is warranted.
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Affiliation(s)
- Jon Petur Joelsson
- Stem Cell Research Unit, BioMedical Center, School of Health Sciences, University of Iceland, Reykjavik, Iceland. .,Department of Laboratory Hematology, Landspitali-University Hospital, Reykjavik, Iceland. .,EpiEndo Pharmaceuticals, Seltjarnarnes, Iceland.
| | - Saevar Ingthorsson
- Department of Laboratory Hematology, Landspitali-University Hospital, Reykjavik, Iceland.,Faculty of Nursing, University of Iceland, Reykjavik, Iceland
| | | | - Thorarinn Gudjonsson
- Stem Cell Research Unit, BioMedical Center, School of Health Sciences, University of Iceland, Reykjavik, Iceland.,Department of Laboratory Hematology, Landspitali-University Hospital, Reykjavik, Iceland.,EpiEndo Pharmaceuticals, Seltjarnarnes, Iceland
| | - Sigurbergur Karason
- Stem Cell Research Unit, BioMedical Center, School of Health Sciences, University of Iceland, Reykjavik, Iceland.,Intensive Care Unit, Landspitali-University Hospital, Reykjavik, Iceland
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23
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Liu R, Liu Y, Liu C, Gao A, Wang L, Tang H, Wu Q, Wang X, Tian D, Qi Z, Shen Y. NEK7-Mediated Activation of NLRP3 Inflammasome Is Coordinated by Potassium Efflux/Syk/JNK Signaling During Staphylococcus aureus Infection. Front Immunol 2021; 12:747370. [PMID: 34603335 PMCID: PMC8481599 DOI: 10.3389/fimmu.2021.747370] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 08/30/2021] [Indexed: 12/31/2022] Open
Abstract
Staphylococcus aureus (S. aureus) is a foodborne pathogen that causes severe diseases, such as endocarditis, sepsis, and bacteremia. As an important component of innate immune system, the NLR family pyrin domain-containing 3 (NLRP3) inflammasome plays a critical role in defense against pathogen infection. However, the cellular mechanism of NLRP3 inflammasome activation during S. aureus infection remains unknown. In the present study, we found that spleen tyrosine kinase (Syk) and c-Jun N-terminal kinase (JNK) were rapidly phosphorylated during S. aureus infection. Moreover, a Syk/JNK inhibitor and Syk/JNK siRNA not only reduced NLRP3 inflammasome-associated molecule expression at the protein and mRNA levels, apoptosis-associated speck-like protein containing a caspase-recruitment domain (ASC) speck formation, and interleukin-1β (IL-1β), and IL-18 release but also rescued the decreased NIMA-related kinase 7 (NEK7) expression level following suppression of the NEK7-NLRP3 interaction in macrophages. Interestingly, Syk/JNK phosphorylation levels and NLRP3 inflammasome-associated molecule expression were decreased by blockade of K+ efflux. Furthermore, activation of the NLRP3 inflammasome and a lower NEK7 protein level were found in vivo upon S. aureus infection. Taken together, our data indicated that S. aureus infection induces a K+ efflux/Syk/JNK/NEK7-NLRP3 signaling pathway and the subsequent activation of the NLRP3 inflammasome for the release of proinflammatory cytokines. This study expands our understanding of the basic molecular mechanism regulating inflammation and provides potential value for anti-infective drug development against S. aureus infection.
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Affiliation(s)
- Ruiqing Liu
- School of Medical Laboratory, Tianjin Medical University, Tianjin, China
| | - Yashan Liu
- School of Medical Laboratory, Tianjin Medical University, Tianjin, China
| | - Chang Liu
- School of Medical Laboratory, Tianjin Medical University, Tianjin, China
| | - Aijiao Gao
- School of Medical Laboratory, Tianjin Medical University, Tianjin, China
| | - Lin Wang
- School of Medical Laboratory, Tianjin Medical University, Tianjin, China
| | - Huixin Tang
- School of Medical Laboratory, Tianjin Medical University, Tianjin, China
| | - Qiang Wu
- Key Laboratory of Emergency and Trauma, Ministry of Education, College of Emergency and Trauma, Hainan Medical University, Haikou, China
| | - Xia Wang
- Department of Laboratory Medicine, West China Second University Hospital, Sichuan University, Key Laboratory of Birth Defects and Related Diseases Of Women and Children (Sichuan University), Ministry of Education, Chengdu, China
| | - Derun Tian
- School of Medical Laboratory, Tianjin Medical University, Tianjin, China
| | - Zhi Qi
- Department of Molecular Pharmacology, School of Medicine, Nankai University, Tianjin, China
| | - Yanna Shen
- School of Medical Laboratory, Tianjin Medical University, Tianjin, China.,Key Laboratory of Emergency and Trauma, Ministry of Education, College of Emergency and Trauma, Hainan Medical University, Haikou, China
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24
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Tao Z, Jie Y, Mingru Z, Changping G, Fan Y, Haifeng W, Yuelan W. The Elk1/MMP-9 axis regulates E-cadherin and occludin in ventilator-induced lung injury. Respir Res 2021; 22:233. [PMID: 34425812 PMCID: PMC8382112 DOI: 10.1186/s12931-021-01829-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 08/19/2021] [Indexed: 02/01/2023] Open
Abstract
Background Ventilator-induced lung injury (VILI) is a common complication in the treatment of respiratory diseases with high morbidity and mortality. ETS-domain containing protein (Elk1) and Matrix metalloproteinase (MMP) 9 are involved in VILI, but the roles have not been fully elucidated. This study examined the mechanisms of the activation of MMP-9 and Elk1 regulating barrier function in VILI in vitro and in vivo. Methods For the in vitro study, Mouse lung epithelial cells (MLE-12) were pre-treated with Elk1 siRNA or MMP-9 siRNA for 48 h prior to cyclic stretch at 20% for 4 h. For the in vivo study, C57BL/6 mice were pre-treated with Elk1 siRNA or MMP-9 siRNA for 72 h prior to 4 h of mechanical ventilation. The expressions of Elk1, MMP-9, Tissue inhibitor of metalloproteinase 1 (TIMP-1), E-cadherin, and occludin were measured by Western blotting. The intracellular distribution of E-cadherin and occludin was shown by immunofluorescence. The degree of pulmonary edema and lung injury were evaluated by Hematoxylin–eosin (HE) staining, lung injury scores, Wet/Dry (W/D) weight ratio, total cell counts, and Evans blue dye. Results 20% cyclic stretch and high tidal volume increases the expressions of Elk1, MMP-9, and TIMP-1, increases the ratio of MMP-9/TIMP-1, decreases the E-cadherin and occludin level. Elk1 siRNA or MMP-9 siRNA reverses the degradations of E-cadherin, occludin, and the ratio of MMP-9/TIMP-1 caused by cyclic stretch. Elk1 siRNA decreases the MMP-9 level with or not 20% cyclic stretch and high tidal volume. Conclusions The results demonstrate mechanical stretch damages the tight junctions and aggravates the permeability in VILI, Elk1 plays an important role in affecting the tight junctions and permeability by regulating the balance of MMP-9 and TIMP-1, thus indicating the therapeutic potential of Elk1 to treat VILI.
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Affiliation(s)
- Zhao Tao
- Department of Anesthesiology and Perioperative Medicine, Shandong Qianfoshan Hospital, Cheeloo College of Medicine, Shandong University, No. 16766 Jingshi Road, Jinan, 250014, Shandong, China.,Department of Anesthesiology, People's Hospital of Rizhao, Jining Medical University, No. 126 Tai'an Road, Rizhao, 276826, Shandong, China.,Department of Anesthesiology and Perioperative Medicine, The First Affiliated Hospital of Shandong First Medical University, Shandong Institute of Anesthesia and Respiratory Critical Care Medicine, No. 16766 Jingshi Road, Jinan, 250014, Shandong, China
| | - Yan Jie
- Department of Anesthesiology and Perioperative Medicine, The First Affiliated Hospital of Shandong First Medical University, Shandong Institute of Anesthesia and Respiratory Critical Care Medicine, No. 16766 Jingshi Road, Jinan, 250014, Shandong, China
| | - Zhang Mingru
- Department of Anesthesiology and Perioperative Medicine, Shandong Qianfoshan Hospital, Cheeloo College of Medicine, Shandong University, No. 16766 Jingshi Road, Jinan, 250014, Shandong, China.,Department of Anesthesiology and Perioperative Medicine, The First Affiliated Hospital of Shandong First Medical University, Shandong Institute of Anesthesia and Respiratory Critical Care Medicine, No. 16766 Jingshi Road, Jinan, 250014, Shandong, China
| | - Gu Changping
- Department of Anesthesiology and Perioperative Medicine, Shandong Qianfoshan Hospital, Cheeloo College of Medicine, Shandong University, No. 16766 Jingshi Road, Jinan, 250014, Shandong, China.,Department of Anesthesiology and Perioperative Medicine, The First Affiliated Hospital of Shandong First Medical University, Shandong Institute of Anesthesia and Respiratory Critical Care Medicine, No. 16766 Jingshi Road, Jinan, 250014, Shandong, China
| | - Yang Fan
- Department of Anesthesiology and Perioperative Medicine, Shandong Qianfoshan Hospital, Cheeloo College of Medicine, Shandong University, No. 16766 Jingshi Road, Jinan, 250014, Shandong, China.,Department of Anesthesiology and Perioperative Medicine, The First Affiliated Hospital of Shandong First Medical University, Shandong Institute of Anesthesia and Respiratory Critical Care Medicine, No. 16766 Jingshi Road, Jinan, 250014, Shandong, China
| | - Wu Haifeng
- Department of Anesthesiology and Perioperative Medicine, Shandong Qianfoshan Hospital, Cheeloo College of Medicine, Shandong University, No. 16766 Jingshi Road, Jinan, 250014, Shandong, China.,Department of Anesthesiology and Perioperative Medicine, The First Affiliated Hospital of Shandong First Medical University, Shandong Institute of Anesthesia and Respiratory Critical Care Medicine, No. 16766 Jingshi Road, Jinan, 250014, Shandong, China
| | - Wang Yuelan
- Department of Anesthesiology and Perioperative Medicine, Shandong Qianfoshan Hospital, Cheeloo College of Medicine, Shandong University, No. 16766 Jingshi Road, Jinan, 250014, Shandong, China. .,Department of Anesthesiology and Perioperative Medicine, The First Affiliated Hospital of Shandong First Medical University, Shandong Institute of Anesthesia and Respiratory Critical Care Medicine, No. 16766 Jingshi Road, Jinan, 250014, Shandong, China.
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25
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Li X, Zhang CT, Ma W, Xie X, Huang Q. Oridonin: A Review of Its Pharmacology, Pharmacokinetics and Toxicity. Front Pharmacol 2021; 12:645824. [PMID: 34295243 PMCID: PMC8289702 DOI: 10.3389/fphar.2021.645824] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Accepted: 06/18/2021] [Indexed: 12/17/2022] Open
Abstract
Oridonin, as a natural terpenoids found in traditional Chinese herbal medicine Isodon rubescens (Hemsl.) H.Hara, is widely present in numerous Chinese medicine preparations. The purpose of this review focuses on providing the latest and comprehensive information on the pharmacology, pharmacokinetics and toxicity of oridonin, to excavate the therapeutic potential and explore promising ways to balance toxicity and efficacy of this natural compound. Information concerning oridonin was systematically collected from the authoritative internet database of PubMed, Elsevier, Web of Science, Wiley Online Library and Europe PMC applying a combination of keywords involving "pharmacology," "pharmacokinetics," and "toxicology". New evidence shows that oridonin possesses a wide range of pharmacological properties, including anticancer, anti-inflammatory, hepatorenal activities as well as cardioprotective protective activities and so on. Although significant advancement has been witnessed in this field, some basic and intricate issues still exist such as the specific mechanism of oridonin against related diseases not being clear. Moreover, several lines of evidence indicated that oridonin may exhibit adverse effects, even toxicity under specific circumstances, which sparked intense debate and concern about security of oridonin. Based on the current progress, future research directions should emphasize on 1) investigating the interrelationship between concentration and pharmacological effects as well as toxicity, 2) reducing pharmacological toxicity, and 3) modifying the structure of oridonin-one of the pivotal approaches to strengthen pharmacological activity and bioavailability. We hope that this review can provide some inspiration for the research of oridonin in the future.
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Affiliation(s)
- Xiang Li
- Department of Ophthalmology, School of Pharmacy, College of Medical Technology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- Department of Respiratory, School of Pharmacy, College of Medical Technology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Chuan-Tao Zhang
- Department of Ophthalmology, School of Pharmacy, College of Medical Technology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- Department of Respiratory, School of Pharmacy, College of Medical Technology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Wei Ma
- Department of Ophthalmology, School of Pharmacy, College of Medical Technology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- Department of Respiratory, School of Pharmacy, College of Medical Technology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xin Xie
- Department of Ophthalmology, School of Pharmacy, College of Medical Technology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- Department of Respiratory, School of Pharmacy, College of Medical Technology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Qun Huang
- Department of Ophthalmology, School of Pharmacy, College of Medical Technology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- Department of Respiratory, School of Pharmacy, College of Medical Technology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
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26
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Targeting the NLRP3 inflammasome as new therapeutic avenue for inflammatory bowel disease. Biomed Pharmacother 2021; 138:111442. [PMID: 33667791 DOI: 10.1016/j.biopha.2021.111442] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Revised: 02/22/2021] [Accepted: 02/23/2021] [Indexed: 12/13/2022] Open
Abstract
The incidence and prevalence of inflammatory bowel disease (IBD) are increasing worldwide. Current approved medication for IBD treatment in the clinic mainly includes corticosteroids and neutralization antibodies to pro-inflammatory cytokines. However, drug resistance and severe side effect hinder long-term efficacy of these agents. The NOD-like receptor family pyrin domain containing protein 3 (NLRP3) is exclusively expressed in several inflammatory and autoimmune diseases. Excessive expression, aberrant activation, polymorphism, and gain-of-function mutation of the NLRP3 inflammasome contribute to IBD pathogenesis. In this article, we summarize the regulatory factors to NLRP3, and review recently developed NLRP3 inhibitors and their preclinical and clinical applications in treating inflammatory and autoimmune diseases. We present our views on the therapeutic potential of NLRP3 inhibitors as emerging therapeutic avenue for IBD.
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27
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Sun Z, Gong W, Zhang Y, Jia Z. Physiological and Pathological Roles of Mammalian NEK7. Front Physiol 2020; 11:606996. [PMID: 33364979 PMCID: PMC7750478 DOI: 10.3389/fphys.2020.606996] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 11/18/2020] [Indexed: 12/14/2022] Open
Abstract
NEK7 is the smallest NIMA-related kinase (NEK) in mammals. The pathological and physiological roles of NEK7 have been widely reported in many studies. To date, the major function of NEK7 has been well documented in mitosis and NLRP3 inflammasome activation, but the detailed mechanisms of its regulation remain unclear. This review summarizes current advances in NEK7 research involving mitotic regulation, NLRP3 inflammasome activation, related diseases and potential inhibitors, which may provide new insights into the understanding and therapy of the diseases associated with NEK7, as well as the subsequent studies in the future.
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Affiliation(s)
- Zhenzhen Sun
- Department of Nephrology, Children's Hospital of Nanjing Medical University, Nanjing, China.,Nanjing Key Laboratory of Pediatrics, Children's Hospital of Nanjing Medical University, Nanjing, China.,Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, China
| | - Wei Gong
- Department of Nephrology, Children's Hospital of Nanjing Medical University, Nanjing, China.,Nanjing Key Laboratory of Pediatrics, Children's Hospital of Nanjing Medical University, Nanjing, China.,Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, China
| | - Yue Zhang
- Department of Nephrology, Children's Hospital of Nanjing Medical University, Nanjing, China.,Nanjing Key Laboratory of Pediatrics, Children's Hospital of Nanjing Medical University, Nanjing, China.,Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, China
| | - Zhanjun Jia
- Department of Nephrology, Children's Hospital of Nanjing Medical University, Nanjing, China.,Nanjing Key Laboratory of Pediatrics, Children's Hospital of Nanjing Medical University, Nanjing, China.,Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, China
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28
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de Rivero Vaccari JC, Dietrich WD, Keane RW, de Rivero Vaccari JP. The Inflammasome in Times of COVID-19. Front Immunol 2020; 11:583373. [PMID: 33149733 PMCID: PMC7580384 DOI: 10.3389/fimmu.2020.583373] [Citation(s) in RCA: 77] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 09/07/2020] [Indexed: 12/15/2022] Open
Abstract
Coronaviruses (CoVs) are members of the genus Betacoronavirus and the Coronaviridiae family responsible for infections such as severe acute respiratory syndrome (SARS), Middle East respiratory syndrome (MERS), and more recently, coronavirus disease-2019 (COVID-19). CoV infections present mainly as respiratory infections that lead to acute respiratory distress syndrome (ARDS). However, CoVs, such as COVID-19, also present as a hyperactivation of the inflammatory response that results in increased production of inflammatory cytokines such as interleukin (IL)-1β and its downstream molecule IL-6. The inflammasome is a multiprotein complex involved in the activation of caspase-1 that leads to the activation of IL-1β in a variety of diseases and infections such as CoV infection and in different tissues such as lungs, brain, intestines and kidneys, all of which have been shown to be affected in COVID-19 patients. Here we review the literature regarding the mechanism of inflammasome activation by CoV infection, the role of the inflammasome in ARDS, ventilator-induced lung injury (VILI), and Disseminated Intravascular Coagulation (DIC) as well as the potential mechanism by which the inflammasome may contribute to the damaging effects of inflammation in the cardiac, renal, digestive, and nervous systems in COVID-19 patients.
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Affiliation(s)
| | - W Dalton Dietrich
- Department of Neurological Surgery and The Miami Project to Cure Paralysis, University of Miami Miller School of Medicine, Miami, FL, United States
| | - Robert W Keane
- Department of Neurological Surgery and The Miami Project to Cure Paralysis, University of Miami Miller School of Medicine, Miami, FL, United States.,Department of Physiology and Biophysics, University of Miami Miller School of Medicine, Miami, FL, United States
| | - Juan Pablo de Rivero Vaccari
- Department of Neurological Surgery and The Miami Project to Cure Paralysis, University of Miami Miller School of Medicine, Miami, FL, United States.,Center for Cognitive Neuroscience and Aging University of Miami Miller School of Medicine, Miami, FL, United States
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29
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Zhao N, Li CC, Di B, Xu LL. Recent advances in the NEK7-licensed NLRP3 inflammasome activation: Mechanisms, role in diseases and related inhibitors. J Autoimmun 2020; 113:102515. [PMID: 32703754 DOI: 10.1016/j.jaut.2020.102515] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 06/30/2020] [Accepted: 07/07/2020] [Indexed: 12/21/2022]
Abstract
The nucleotide-binding oligomerization domain (NOD)-like receptor containing pyrin domain 3 (NLRP3) inflammasome is a high-molecular-weight complex mediated by the activation of pattern-recognition receptors (PRRs) seed in innate immunity. Once NLRP3 is activated, the following recruitment of the adapter apoptosis-associated speck-like protein containing a caspase recruitment domain (CARD) (ASC) and procaspase-1 would be initiated. Cleavage of procaspase-1 into active caspase-1 then leads to the maturation of the precursor forms of interleukin (IL)-1β and IL-18 into biologically active IL-1β and IL-18. The activation of NLRP3 inflammasome is thought to be tightly associated with a regulator never in mitosis A (NIMA)-related kinase 7 (NEK7), apart from other signaling events such as K+ efflux and reactive oxygen species (ROS). Plus, the NLRP3 inflammasome has been linked to various metabolic disorders, chronic inflammation and other diseases. In this review, we firstly describe the cellular/molecular mechanisms of the NEK7-licensed NLRP3 inflammasome activation. Then we detail the potential inhibitors that can selectively and effectively modulate either the NEK7-NLRP3 complex itself or the related molecular/cellular events. Finally, we describe some inhibitors as promising therapeutic strategies for diverse diseases driven by NLRP3 inflammasome.
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Affiliation(s)
- Ni Zhao
- Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, 210009, China; Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, China Pharmaceutical University, Nanjing, 210009, China
| | - Cui-Cui Li
- Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, 210009, China; Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, China Pharmaceutical University, Nanjing, 210009, China
| | - Bin Di
- Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, 210009, China; Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, China Pharmaceutical University, Nanjing, 210009, China.
| | - Li-Li Xu
- Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, 210009, China; Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, China Pharmaceutical University, Nanjing, 210009, China.
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