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Ren W, Sun Y, Zhao L, Shi X. NLRP3 inflammasome and its role in autoimmune diseases: A promising therapeutic target. Biomed Pharmacother 2024; 175:116679. [PMID: 38701567 DOI: 10.1016/j.biopha.2024.116679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 04/19/2024] [Accepted: 04/29/2024] [Indexed: 05/05/2024] Open
Abstract
The NOD-like receptor protein 3 (NLRP3) inflammasome is a protein complex that regulates innate immune responses by activating caspase-1 and the inflammatory cytokines IL-1β and IL-18. Numerous studies have highlighted its crucial role in the pathogenesis and development of inflammatory bowel disease, rheumatoid arthritis, systemic lupus erythematosus, autoimmune thyroid diseases, and other autoimmune diseases. Therefore, investigating the underlying mechanisms of NLRP3 in disease and targeted drug therapies holds clinical significance. This review summarizes the structure, assembly, and activation mechanisms of the NLRP3 inflammasome, focusing on its role and involvement in various autoimmune diseases. This review also identifies studies where the involvement of the NLRP3 inflammasome in the disease mechanism within the same disease appears contradictory, as well as differences in NLRP3-related gene polymorphisms among different ethnic groups. Additionally, the latest therapeutic advances in targeting the NLRP3 inflammasome for autoimmune diseases are outlined, and novel clinical perspectives are discussed. Conclusively, this review provides a consolidated source of information on the NLRP3 inflammasome and may guide future research efforts that have the potential to positively impact patient outcomes.
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Affiliation(s)
- Wenxuan Ren
- Department of Endocrinology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110001, China
| | - Ying Sun
- Department of Endocrinology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110001, China
| | - Lei Zhao
- Department of Laboratory Medicine, The First Hospital of China Medical University, Shenyang 110001, Liaoning, China
| | - Xiaoguang Shi
- Department of Endocrinology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110001, China.
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Sundaram B, Tweedell RE, Prasanth Kumar S, Kanneganti TD. The NLR family of innate immune and cell death sensors. Immunity 2024; 57:674-699. [PMID: 38599165 PMCID: PMC11112261 DOI: 10.1016/j.immuni.2024.03.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 03/07/2024] [Accepted: 03/12/2024] [Indexed: 04/12/2024]
Abstract
Nucleotide-binding oligomerization domain (NOD)-like receptors, also known as nucleotide-binding leucine-rich repeat receptors (NLRs), are a family of cytosolic pattern recognition receptors that detect a wide variety of pathogenic and sterile triggers. Activation of specific NLRs initiates pro- or anti-inflammatory signaling cascades and the formation of inflammasomes-multi-protein complexes that induce caspase-1 activation to drive inflammatory cytokine maturation and lytic cell death, pyroptosis. Certain NLRs and inflammasomes act as integral components of larger cell death complexes-PANoptosomes-driving another form of lytic cell death, PANoptosis. Here, we review the current understanding of the evolution, structure, and function of NLRs in health and disease. We discuss the concept of NLR networks and their roles in driving cell death and immunity. An improved mechanistic understanding of NLRs may provide therapeutic strategies applicable across infectious and inflammatory diseases and in cancer.
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Affiliation(s)
- Balamurugan Sundaram
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Rebecca E Tweedell
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
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Ramos-González EJ, Bitzer-Quintero OK, Ortiz G, Hernández-Cruz JJ, Ramírez-Jirano LJ. Relationship between inflammation and oxidative stress and its effect on multiple sclerosis. Neurologia 2024; 39:292-301. [PMID: 38553104 DOI: 10.1016/j.nrleng.2021.10.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 10/28/2021] [Indexed: 04/02/2024] Open
Abstract
INTRODUCTION This paper highlights the relationship of inflammation and oxidative stress as damage mechanisms of Multiple Sclerosis (MS), considered an inflammatory and autoimmune disease. DEVELOPMENT The oxidative stress concept has been defined by an imbalance between oxidants and antioxidants in favor of the oxidants. There is necessary to do physiological functions, like the respiration chain, but in certain conditions, the production of reactive species overpassed the antioxidant systems, which could cause tissue damage. On the other hand, it is well established that inflammation is a complex reaction in the vascularized connective tissue in response to diverse stimuli. However, an unregulated prolonged inflammatory process also can induce tissue damage. CONCLUSION Both inflammation and oxidative stress are interrelated since one could promote the other, leading to a toxic feedback system, which contributes to the inflammatory and demyelination process in MS.
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Affiliation(s)
- E J Ramos-González
- Unidad de Investigacion Biomedica de Zacatecas, Instituto Mexicano del Seguro Social, Zacatecas, Zacatecas, Mexico
| | - O K Bitzer-Quintero
- División de Neurociencias, Centro de Investigación Biomédica de Occidente, Instituto Mexicano del Seguro Social, Guadalajara, Jalisco, Mexico
| | - G Ortiz
- Departamento de Diciplinas Metodológicas y Filosóficas, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Mexico
| | - J J Hernández-Cruz
- Departamento de Diciplinas Metodológicas y Filosóficas, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Mexico
| | - L J Ramírez-Jirano
- División de Neurociencias, Centro de Investigación Biomédica de Occidente, Instituto Mexicano del Seguro Social, Guadalajara, Jalisco, Mexico.
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Pulito-Cueto V, Sebastián Mora-Gil M, Ferrer-Pargada D, Remuzgo-Martínez S, Genre F, Lera-Gómez L, Alonso-Lecue P, Batista-Liz JC, Tello-Mena S, Abascal-Bolado B, Izquierdo S, Ruiz-Cubillán JJ, Armiñanzas-Castillo C, Blanco R, González-Gay MA, López-Mejías R, Cifrián JM. Inflammasome-Related Genetic Polymorphisms as Severity Biomarkers of COVID-19. Int J Mol Sci 2024; 25:3731. [PMID: 38612539 PMCID: PMC11011752 DOI: 10.3390/ijms25073731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 03/20/2024] [Accepted: 03/25/2024] [Indexed: 04/14/2024] Open
Abstract
The most critical forms of coronavirus disease 2019 (COVID-19) are associated with excessive activation of the inflammasome. Despite the COVID-19 impact on public health, we still do not fully understand the mechanisms by which the inflammatory response influences disease prognosis. Accordingly, we aimed to elucidate the role of polymorphisms in the key genes of the formation and signaling of the inflammasome as biomarkers of COVID-19 severity. For this purpose, a large and well-defined cohort of 377 COVID-19 patients with mild (n = 72), moderate (n = 84), severe (n = 100), and critical (n = 121) infections were included. A total of 24 polymorphisms located in inflammasome-related genes (NLRP3, NLRC4, NLRP1, CARD8, CASP1, IL1B, IL18, NFKB1, ATG16L1, and MIF) were genotyped in all of the patients and in the 192 healthy controls (HCs) (who were without COVID-19 at the time of and before the study) by RT-qPCR. Our results showed that patients with mild, moderate, severe, and critical COVID-19 presented similar allelic and genotypic distribution in all the variants studied. No statistically significant differences in the haplotypic distribution of NLRP3, NLRC4, NLRP1, CARD8, CASP1, IL1B, and ATG16L1 were observed between COVID-19 patients, who were stratified by disease severity. Each stratified group of patients presented a similar genetic distribution to the HCs. In conclusion, our results suggest that the inflammasome polymorphisms studied are not associated with the worsening of COVID-19.
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Affiliation(s)
- Verónica Pulito-Cueto
- Immunopathology Group, Marqués de Valdecilla University Hospital-Valdecilla Research Institute (IDIVAL), 39008 Santander, Spain; (M.S.M.-G.); (P.A.-L.); (J.C.B.-L.); (R.B.); (R.L.-M.); (J.M.C.)
- Department of Rheumatology, Marqués de Valdecilla University Hospital, 39008 Santander, Spain
| | - María Sebastián Mora-Gil
- Immunopathology Group, Marqués de Valdecilla University Hospital-Valdecilla Research Institute (IDIVAL), 39008 Santander, Spain; (M.S.M.-G.); (P.A.-L.); (J.C.B.-L.); (R.B.); (R.L.-M.); (J.M.C.)
- Department of Rheumatology, Marqués de Valdecilla University Hospital, 39008 Santander, Spain
| | - Diego Ferrer-Pargada
- Department of Pneumology, Marqués de Valdecilla University Hospital, 39008 Santander, Spain; (D.F.-P.); (S.T.-M.); (B.A.-B.); (S.I.); (J.J.R.-C.)
| | | | - Fernanda Genre
- Valdecilla Research Institute (IDIVAL), 39011 Santander, Spain; (S.R.-M.); (F.G.)
| | - Leticia Lera-Gómez
- Department of Microbiology, Marqués de Valdecilla University Hospital, 39008 Santander, Spain;
| | - Pilar Alonso-Lecue
- Immunopathology Group, Marqués de Valdecilla University Hospital-Valdecilla Research Institute (IDIVAL), 39008 Santander, Spain; (M.S.M.-G.); (P.A.-L.); (J.C.B.-L.); (R.B.); (R.L.-M.); (J.M.C.)
- Department of Pneumology, Marqués de Valdecilla University Hospital, 39008 Santander, Spain; (D.F.-P.); (S.T.-M.); (B.A.-B.); (S.I.); (J.J.R.-C.)
| | - Joao Carlos Batista-Liz
- Immunopathology Group, Marqués de Valdecilla University Hospital-Valdecilla Research Institute (IDIVAL), 39008 Santander, Spain; (M.S.M.-G.); (P.A.-L.); (J.C.B.-L.); (R.B.); (R.L.-M.); (J.M.C.)
- Department of Rheumatology, Marqués de Valdecilla University Hospital, 39008 Santander, Spain
| | - Sandra Tello-Mena
- Department of Pneumology, Marqués de Valdecilla University Hospital, 39008 Santander, Spain; (D.F.-P.); (S.T.-M.); (B.A.-B.); (S.I.); (J.J.R.-C.)
| | - Beatriz Abascal-Bolado
- Department of Pneumology, Marqués de Valdecilla University Hospital, 39008 Santander, Spain; (D.F.-P.); (S.T.-M.); (B.A.-B.); (S.I.); (J.J.R.-C.)
| | - Sheila Izquierdo
- Department of Pneumology, Marqués de Valdecilla University Hospital, 39008 Santander, Spain; (D.F.-P.); (S.T.-M.); (B.A.-B.); (S.I.); (J.J.R.-C.)
| | - Juan José Ruiz-Cubillán
- Department of Pneumology, Marqués de Valdecilla University Hospital, 39008 Santander, Spain; (D.F.-P.); (S.T.-M.); (B.A.-B.); (S.I.); (J.J.R.-C.)
| | | | - Ricardo Blanco
- Immunopathology Group, Marqués de Valdecilla University Hospital-Valdecilla Research Institute (IDIVAL), 39008 Santander, Spain; (M.S.M.-G.); (P.A.-L.); (J.C.B.-L.); (R.B.); (R.L.-M.); (J.M.C.)
- Department of Rheumatology, Marqués de Valdecilla University Hospital, 39008 Santander, Spain
| | - Miguel A. González-Gay
- School of Medicine, University of Cantabria, 39011 Santander, Spain;
- Department of Rheumatology, IIS-Fundación Jiménez Díaz, 28040 Madrid, Spain
| | - Raquel López-Mejías
- Immunopathology Group, Marqués de Valdecilla University Hospital-Valdecilla Research Institute (IDIVAL), 39008 Santander, Spain; (M.S.M.-G.); (P.A.-L.); (J.C.B.-L.); (R.B.); (R.L.-M.); (J.M.C.)
- Department of Rheumatology, Marqués de Valdecilla University Hospital, 39008 Santander, Spain
| | - José M. Cifrián
- Immunopathology Group, Marqués de Valdecilla University Hospital-Valdecilla Research Institute (IDIVAL), 39008 Santander, Spain; (M.S.M.-G.); (P.A.-L.); (J.C.B.-L.); (R.B.); (R.L.-M.); (J.M.C.)
- Department of Pneumology, Marqués de Valdecilla University Hospital, 39008 Santander, Spain; (D.F.-P.); (S.T.-M.); (B.A.-B.); (S.I.); (J.J.R.-C.)
- School of Medicine, University of Cantabria, 39011 Santander, Spain;
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Ravichandran KA, Heneka MT. Inflammasomes in neurological disorders - mechanisms and therapeutic potential. Nat Rev Neurol 2024; 20:67-83. [PMID: 38195712 DOI: 10.1038/s41582-023-00915-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/04/2023] [Indexed: 01/11/2024]
Abstract
Inflammasomes are molecular scaffolds that are activated by damage-associated and pathogen-associated molecular patterns and form a key element of innate immune responses. Consequently, the involvement of inflammasomes in several diseases that are characterized by inflammatory processes, such as multiple sclerosis, is widely appreciated. However, many other neurological conditions, including Alzheimer disease, Parkinson disease, amyotrophic lateral sclerosis, stroke, epilepsy, traumatic brain injury, sepsis-associated encephalopathy and neurological sequelae of COVID-19, all involve persistent inflammation in the brain, and increasing evidence suggests that inflammasome activation contributes to disease progression in these conditions. Understanding the biology and mechanisms of inflammasome activation is, therefore, crucial for the development of inflammasome-targeted therapies for neurological conditions. In this Review, we present the current evidence for and understanding of inflammasome activation in neurological diseases and discuss current and potential interventional strategies that target inflammasome activation to mitigate its pathological consequences.
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Affiliation(s)
- Kishore Aravind Ravichandran
- Department of Neuroinflammation, Institute of innate immunity, University of Bonn Medical Center Bonn, Bonn, Germany
- German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
| | - Michael T Heneka
- Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, Esch-sur-Alzette, Esch-sur-Alzette, Luxembourg.
- Department of Infectious Diseases and Immunology, University of Massachusetts Medical School, North Worcester, MA, USA.
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Zhang K, Qin Z, Chen J, Guo G, Jiang X, Wang F, Zhuang J, Zhang Z. TRPV1 modulated NLRP3 inflammasome activation via calcium in experimental subarachnoid hemorrhage. Aging (Albany NY) 2024; 16:1096-1110. [PMID: 38180747 PMCID: PMC10866436 DOI: 10.18632/aging.205379] [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: 07/25/2023] [Accepted: 11/15/2023] [Indexed: 01/06/2024]
Abstract
Neuroinflammation plays a key role in early brain injury (EBI) of subarachnoid hemorrhage (SAH), and NLRP3 inflammasome plays an important role in the development of neuroinflammation after SAH, but the mechanism of NLRP3 inflammasome activation after SAH is still unclear. TRPV1 is a non-selective calcium channel that is involved in the pathology of neuroinflammation, but its role in SAH has not been revealed. Our study showed that TRPV1 was significantly upregulated after SAH and was predominantly expressed in microglia/macrophages. Antagonism of TRPV1 was effective in ameliorating neurological impairment, brain edema, neuronal damage, and reducing the inflammatory response (evidenced by reducing the number of CD16/32 positive microglia/macrophages, inhibiting the expression of CD16, CD32, CD86, IL-1b, TNF-a and blocking NLRP3 inflammasome activation). However, this effect can be abolished by NLRP3 inflammasome antagonist MCC950. In vitro experiment confirmed that TRPV1 activated NLRP3 inflammasome by increasing intracellular calcium levels. In conclusion, TRPV1 mediates EBI after SAH via calcium/NLRP3, and TRPV1 is a potential therapeutic target after SAH.
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Affiliation(s)
- Keke Zhang
- Department of Endocrinology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
- Department of Otolaryngology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250021, China
| | - Zhen Qin
- Department of Clinical Laboratory, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong 250021, China
| | - Jinyan Chen
- Department of Neurosurgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250021, China
| | - Gengyin Guo
- Department of Neurosurgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250021, China
| | - Xiaokun Jiang
- Department of Neurosurgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250021, China
| | - Feng Wang
- State Key Laboratory of Translational Medicine and Innovative Drug Development, Jiangsu Simcere Pharmaceutical Co., Ltd., Nanjing 210023, China
| | - Jianfeng Zhuang
- Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, Shandong 250021, China
| | - Zhen Zhang
- Department of Neurosurgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250021, China
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Perrone B, Ruffo P, Augimeri G, Sisci D, Sinicropi MS, Tripepi G, Mammì C, Bonofiglio D, Conforti FL. Association between HMGCR, CRP, and CETP gene polymorphisms and metabolic/inflammatory serum profile in healthy adolescents. J Transl Med 2023; 21:718. [PMID: 37833739 PMCID: PMC10576320 DOI: 10.1186/s12967-023-04571-z] [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: 08/17/2023] [Accepted: 09/25/2023] [Indexed: 10/15/2023] Open
Abstract
BACKGROUND The complex interplay between health, lifestyle and genetics represents a critical area of research for understanding and promoting human well-being. Importantly, genetics plays a key role in determining individual susceptibility to disease and response to lifestyle. The aim of the present study was to identify genetic factors related to the metabolic/inflammatory profile of adolescents providing new insights into the individual predisposition to the different effects of the substances from the environment. METHODS Association analysis of genetic variants and biochemical parameters was performed in a total of 77 healthy adolescents recruited in the context of the DIMENU study. RESULTS Polymorphisms of 3-hydroxy-3-methylglutaril coenzyme A reductase (HMGCR; rs142563098), C-reactive protein gene (CRP; rs1417938, rs1130864), cholesteryl ester transfer protein (CETP; rs5030708), interleukin (IL)-10 (IL-10; rs3024509) genes were significantly associated (p < 0.05) with various serum metabolic parameters. Of particular interest were also the correlations between the HMGCRpolymorphism (rs3846663) and tumor necrosis factor (TNF)-α levels, as well Fatty-acid desaturase (FADS) polymorphism (rs7481842) and IL-10 level opening a new link between lipidic metabolism genes and inflammation. CONCLUSION In this study, we highlighted associations between single nucleotide polymorphisms (SNPs) and serum levels of metabolic and inflammatory parameters in healthy young individuals, suggesting the importance of genetic profiling in the prevention and management of chronic disease.
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Affiliation(s)
- Benedetta Perrone
- Department of Pharmacy and Health and Nutritional Sciences, University of Calabria, Rende, CS, Italy
| | - Paola Ruffo
- Department of Pharmacy and Health and Nutritional Sciences, University of Calabria, Rende, CS, Italy
| | - Giuseppina Augimeri
- Department of Pharmacy and Health and Nutritional Sciences, University of Calabria, Rende, CS, Italy
| | - Diego Sisci
- Department of Pharmacy and Health and Nutritional Sciences, University of Calabria, Rende, CS, Italy
- Centro Sanitario, University of Calabria, Via P Bucci, Rende, CS, Italy
| | - Maria Stefania Sinicropi
- Department of Pharmacy and Health and Nutritional Sciences, University of Calabria, Rende, CS, Italy
| | - Giovanni Tripepi
- Institute of Clinical Physiology of Reggio Calabria, IFC-CNR, Reggio Calabria, Italy
| | - Corrado Mammì
- Great Metropolitan Hospital BMM, Reggio Calabria, Italy.
| | - Daniela Bonofiglio
- Department of Pharmacy and Health and Nutritional Sciences, University of Calabria, Rende, CS, Italy
- Centro Sanitario, University of Calabria, Via P Bucci, Rende, CS, Italy
| | - Francesca Luisa Conforti
- Department of Pharmacy and Health and Nutritional Sciences, University of Calabria, Rende, CS, Italy.
- Centro Sanitario, University of Calabria, Via P Bucci, Rende, CS, Italy.
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Bulté D, Rigamonti C, Romano A, Mortellaro A. Inflammasomes: Mechanisms of Action and Involvement in Human Diseases. Cells 2023; 12:1766. [PMID: 37443800 PMCID: PMC10340308 DOI: 10.3390/cells12131766] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 06/20/2023] [Accepted: 06/26/2023] [Indexed: 07/15/2023] Open
Abstract
Inflammasome complexes and their integral receptor proteins have essential roles in regulating the innate immune response and inflammation at the post-translational level. Yet despite their protective role, aberrant activation of inflammasome proteins and gain of function mutations in inflammasome component genes seem to contribute to the development and progression of human autoimmune and autoinflammatory diseases. In the past decade, our understanding of inflammasome biology and activation mechanisms has greatly progressed. We therefore provide an up-to-date overview of the various inflammasomes and their known mechanisms of action. In addition, we highlight the involvement of various inflammasomes and their pathogenic mechanisms in common autoinflammatory, autoimmune and neurodegenerative diseases, including atherosclerosis, rheumatoid arthritis, systemic lupus erythematosus, inflammatory bowel disease, Alzheimer's disease, Parkinson's disease, and multiple sclerosis. We conclude by speculating on the future avenues of research needed to better understand the roles of inflammasomes in health and disease.
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Affiliation(s)
- Dimitri Bulté
- San Raffaele Telethon Institute for Gene Therapy (SR-Tiget), IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132 Milan, Italy; (D.B.); (C.R.); (A.R.)
| | - Chiara Rigamonti
- San Raffaele Telethon Institute for Gene Therapy (SR-Tiget), IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132 Milan, Italy; (D.B.); (C.R.); (A.R.)
- Vita-Salute San Raffaele University, 20132 Milan, Italy
| | - Alessandro Romano
- San Raffaele Telethon Institute for Gene Therapy (SR-Tiget), IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132 Milan, Italy; (D.B.); (C.R.); (A.R.)
| | - Alessandra Mortellaro
- San Raffaele Telethon Institute for Gene Therapy (SR-Tiget), IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132 Milan, Italy; (D.B.); (C.R.); (A.R.)
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Ke Q, Greenawalt AN, Manukonda V, Ji X, Tisch RM. The regulation of self-tolerance and the role of inflammasome molecules. Front Immunol 2023; 14:1154552. [PMID: 37081890 PMCID: PMC10110889 DOI: 10.3389/fimmu.2023.1154552] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 03/17/2023] [Indexed: 04/07/2023] Open
Abstract
Inflammasome molecules make up a family of receptors that typically function to initiate a proinflammatory response upon infection by microbial pathogens. Dysregulation of inflammasome activity has been linked to unwanted chronic inflammation, which has also been implicated in certain autoimmune diseases such as multiple sclerosis, rheumatoid arthritis, type 1 diabetes, systemic lupus erythematosus, and related animal models. Classical inflammasome activation-dependent events have intrinsic and extrinsic effects on both innate and adaptive immune effectors, as well as resident cells in the target tissue, which all can contribute to an autoimmune response. Recently, inflammasome molecules have also been found to regulate the differentiation and function of immune effector cells independent of classical inflammasome-activated inflammation. These alternative functions for inflammasome molecules shape the nature of the adaptive immune response, that in turn can either promote or suppress the progression of autoimmunity. In this review we will summarize the roles of inflammasome molecules in regulating self-tolerance and the development of autoimmunity.
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Affiliation(s)
- Qi Ke
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Ashley Nicole Greenawalt
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Veera Manukonda
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Xingqi Ji
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Roland Michael Tisch
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
- *Correspondence: Roland Michael Tisch,
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Chiarini A, Gui L, Viviani C, Armato U, Dal Prà I. NLRP3 Inflammasome’s Activation in Acute and Chronic Brain Diseases—An Update on Pathogenetic Mechanisms and Therapeutic Perspectives with Respect to Other Inflammasomes. Biomedicines 2023; 11:biomedicines11040999. [PMID: 37189617 DOI: 10.3390/biomedicines11040999] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/16/2023] [Accepted: 03/17/2023] [Indexed: 03/29/2023] Open
Abstract
Increasingly prevalent acute and chronic human brain diseases are scourges for the elderly. Besides the lack of therapies, these ailments share a neuroinflammation that is triggered/sustained by different innate immunity-related protein oligomers called inflammasomes. Relevant neuroinflammation players such as microglia/monocytes typically exhibit a strong NLRP3 inflammasome activation. Hence the idea that NLRP3 suppression might solve neurodegenerative ailments. Here we review the recent Literature about this topic. First, we update conditions and mechanisms, including RNAs, extracellular vesicles/exosomes, endogenous compounds, and ethnic/pharmacological agents/extracts regulating NLRP3 function. Second, we pinpoint NLRP3-activating mechanisms and known NLRP3 inhibition effects in acute (ischemia, stroke, hemorrhage), chronic (Alzheimer’s disease, Parkinson’s disease, Huntington’s disease, MS, ALS), and virus-induced (Zika, SARS-CoV-2, and others) human brain diseases. The available data show that (i) disease-specific divergent mechanisms activate the (mainly animal) brains NLRP3; (ii) no evidence proves that NLRP3 inhibition modifies human brain diseases (yet ad hoc trials are ongoing); and (iii) no findings exclude that concurrently activated other-than-NLRP3 inflammasomes might functionally replace the inhibited NLRP3. Finally, we highlight that among the causes of the persistent lack of therapies are the species difference problem in disease models and a preference for symptomatic over etiologic therapeutic approaches. Therefore, we posit that human neural cell-based disease models could drive etiological, pathogenetic, and therapeutic advances, including NLRP3’s and other inflammasomes’ regulation, while minimizing failure risks in candidate drug trials.
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Rahmani M, Moghadasi AN, Shahi S, Eskandarieh S, Azizi H, Hasanzadeh A, Ahmadzade A, Dehnavi AZ, Farahani RH, Aminianfar M, Naeini AR. COVID-19 and its implications on the clinico-radiological course of multiple sclerosis: A case-control study. Med Clin (Barc) 2023; 160:187-192. [PMID: 36089420 PMCID: PMC9364744 DOI: 10.1016/j.medcli.2022.06.020] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 06/20/2022] [Accepted: 06/22/2022] [Indexed: 11/05/2022]
Abstract
BACKGROUND Multiple sclerosis (MS) is an immune-mediated disease that has been related to several risk factors such as various viral infections. We carried out this study in order to establish a relationship between COVID-19 infection and MS severity. METHODS In a case-control study, we recruited patients with relapsing-remitting multiple sclerosis (RRMS). Patients were divided into two groups based on positive COVID-19 PCR at the end of the enrollment phase. Each patient was prospectively followed for 12 months. Demographical, clinical, and past medical history were collected during routine clinical practice. Assessments were performed every six months; MRI was performed at enrollment and 12 months later. RESULTS Three hundred and sixty-two patients participated in this study. MS patients with COVID-19 infection had significantly higher increases in the number of MRI lesions (p: 0.019, OR(CI): 6.37(1.54-26.34)) and EDSS scores (p: 0.017), but no difference was found in total annual relapses or relapse rates. COVID-19 infections were positively correlated with EDSS progression (p: 0.02) and the number of new MRI lesions (p: 0.004) and predicted the likelihood of the number of new MRI lesions by an odds of 5.92 (p: 0.018). CONCLUSION COVID-19 may lead to higher disability scores in the RRMS population and is associated with developing new Gd-enhancing lesions in MRI imaging. However, no difference was observed between the groups regarding the number of relapses during follow-up.
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Affiliation(s)
- Mohammad Rahmani
- Department of Neurology, School of Medicine, AJA University of Medical Sciences, Tehran, Iran
| | - Abdorreza Naser Moghadasi
- Multiple Sclerosis Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Shayan Shahi
- Tehran Heart Center, Cardiovascular Research Center, Tehran University of Medical Science, Tehran, Iran
| | - Sharareh Eskandarieh
- Multiple Sclerosis Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | | | | | | | - Ali Zare Dehnavi
- Department of Neurology, School of Medicine, Sina Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Ramin Hamidi Farahani
- Department of Infectious Diseases, Faculty of Medicine, AJA University of Medical Sciences, Tehran, Iran
| | - Mohammad Aminianfar
- Department of Infectious and Tropical Diseases, Be'sat Hospital, AJA University of Medical Sciences, Tehran, Iran
| | - Alireza Ranjbar Naeini
- Department of Neurology, School of Medicine, AJA University of Medical Sciences, Tehran, Iran.
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12
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Rahmani M, Moghadasi AN, Shahi S, Eskandarieh S, Azizi H, Hasanzadeh A, Ahmadzade A, Dehnavi AZ, Farahani RH, Aminianfar M, Naeini AR. COVID-19 and its implications on the clinico-radiological course of multiple sclerosis: A case-control study. MEDICINA CLINICA (ENGLISH ED.) 2023; 160:187-192. [PMID: 36883067 PMCID: PMC9983351 DOI: 10.1016/j.medcle.2022.06.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Accepted: 06/22/2022] [Indexed: 03/06/2023]
Abstract
Background Multiple sclerosis (MS) is an immune-mediated disease that has been related to several risk factors such as various viral infections. We carried out this study in order to establish a relationship between COVID-19 infection and MS severity. Methods In a case-control study, we recruited patients with relapsing-remitting multiple sclerosis (RRMS). Patients were divided into two groups based on positive COVID-19 PCR at the end of the enrollment phase. Each patient was prospectively followed for 12 months. Demographical, clinical, and past medical history were collected during routine clinical practice. Assessments were performed every six months; MRI was performed at enrollment and 12 months later. Results Three hundred and sixty-two patients participated in this study. MS patients with COVID-19 infection had significantly higher increases in the number of MRI lesions (p: 0.019, OR(CI): 6.37(1.54-26.34)) and EDSS scores (p: 0.017), but no difference was found in total annual relapses or relapse rates. COVID-19 infections were positively correlated with EDSS progression (p: 0.02) and the number of new MRI lesions (p: 0.004) and predicted the likelihood of the number of new MRI lesions by an odds of 5.92 (p: 0.018). Conclusion COVID-19 may lead to higher disability scores in the RRMS population and is associated with developing new Gd-enhancing lesions in MRI imaging. However, no difference was observed between the groups regarding the number of relapses during follow-up.
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Affiliation(s)
- Mohammad Rahmani
- Department of Neurology, School of Medicine, AJA University of Medical Sciences, Tehran, Iran
| | - Abdorreza Naser Moghadasi
- Multiple Sclerosis Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Shayan Shahi
- Tehran Heart Center, Cardiovascular Research Center, Tehran University of Medical Science, Tehran, Iran
| | - Sharareh Eskandarieh
- Multiple Sclerosis Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | | | | | | | - Ali Zare Dehnavi
- Department of Neurology, School of Medicine, Sina Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Ramin Hamidi Farahani
- Department of Infectious Diseases, Faculty of Medicine, AJA University of Medical Sciences, Tehran, Iran
| | - Mohammad Aminianfar
- Department of Infectious and Tropical Diseases, Be'sat Hospital, AJA University of Medical Sciences, Tehran, Iran
| | - Alireza Ranjbar Naeini
- Department of Neurology, School of Medicine, AJA University of Medical Sciences, Tehran, Iran
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13
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Delgado-Arévalo C, Calvet-Mirabent M, Triguero-Martínez A, Vázquez de Luis E, Benguría-Filippini A, Largo R, Calzada-Fraile D, Popova O, Sánchez-Cerrillo I, Tsukalov I, Moreno-Vellisca R, de la Fuente H, Herrero-Beaumont G, Ramiro A, Sánchez-Madrid F, Castañeda S, Dopazo A, González Álvaro I, Martin-Gayo E. NLRC4-mediated activation of CD1c+ DC contributes to perpetuation of synovitis in rheumatoid arthritis. JCI Insight 2022; 7:152886. [PMID: 36194479 DOI: 10.1172/jci.insight.152886] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Accepted: 09/29/2022] [Indexed: 12/15/2022] Open
Abstract
The individual contribution of specific myeloid subsets such as CD1c+ conventional DC (cDC) to perpetuation of rheumatoid arthritis (RA) pathology remains unclear. In addition, the specific innate sensors driving pathogenic activation of CD1c+ cDC in patients with RA and their functional implications have not been characterized. Here, we assessed phenotypical, transcriptional, and functional characteristics of CD1c+ and CD141+ cDC and monocytes from the blood and synovial fluid of patients with RA. Increased levels of CCR2 and the IgG receptor CD64 on circulating CD1c+ cDC was associated with the presence of this DC subset in the synovial membrane in patients with RA. Moreover, synovial CD1c+ cDC are characterized by increased expression of proinflammatory cytokines and high abilities to induce pathogenic IFN-γ+IL-17+CD4+ T cells in vitro. Finally, we identified the crosstalk between Fcγ receptors and NLRC4 as a potential molecular mechanism mediating pathogenic activation, CD64 upregulation, and functional specialization of CD1c+ cDC in response to dsDNA-IgG in patients with RA.
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Affiliation(s)
- Cristina Delgado-Arévalo
- Immunology Unit from Hospital Universitario La Princesa, Medicine Faculty, Autonomous University of Madrid (UAM), Instituto Investigación Sanitaria-Princesa IIS-IP, Madrid, Spain
| | - Marta Calvet-Mirabent
- Immunology Unit from Hospital Universitario La Princesa, Medicine Faculty, Autonomous University of Madrid (UAM), Instituto Investigación Sanitaria-Princesa IIS-IP, Madrid, Spain
| | - Ana Triguero-Martínez
- Rheumatology Department from Hospital Universitario La Princesa, Instituto de Investigación Sanitaria-Princesa IIS-IP, Madrid, Spain
| | | | | | - Raquel Largo
- Bone and Joint Research Unit, Rheumatology Service, IIS Fundación Jiménez Díaz, Madrid, Spain
| | - Diego Calzada-Fraile
- Immunology Unit from Hospital Universitario La Princesa, Medicine Faculty, Autonomous University of Madrid (UAM), Instituto Investigación Sanitaria-Princesa IIS-IP, Madrid, Spain.,CIBER Cardiovascular, Madrid, Spain
| | - Olga Popova
- Immunology Unit from Hospital Universitario La Princesa, Medicine Faculty, Autonomous University of Madrid (UAM), Instituto Investigación Sanitaria-Princesa IIS-IP, Madrid, Spain
| | - Ildefonso Sánchez-Cerrillo
- Immunology Unit from Hospital Universitario La Princesa, Medicine Faculty, Autonomous University of Madrid (UAM), Instituto Investigación Sanitaria-Princesa IIS-IP, Madrid, Spain
| | - Ilya Tsukalov
- Immunology Unit from Hospital Universitario La Princesa, Medicine Faculty, Autonomous University of Madrid (UAM), Instituto Investigación Sanitaria-Princesa IIS-IP, Madrid, Spain
| | | | - Hortensia de la Fuente
- Immunology Unit from Hospital Universitario La Princesa, Medicine Faculty, Autonomous University of Madrid (UAM), Instituto Investigación Sanitaria-Princesa IIS-IP, Madrid, Spain.,CIBER Cardiovascular, Madrid, Spain
| | | | - Almudena Ramiro
- Biology Laboratory, The National Centre for Cardiovascular Research, Madrid, Spain
| | - Francisco Sánchez-Madrid
- Immunology Unit from Hospital Universitario La Princesa, Medicine Faculty, Autonomous University of Madrid (UAM), Instituto Investigación Sanitaria-Princesa IIS-IP, Madrid, Spain.,CIBER Cardiovascular, Madrid, Spain.,Biology Laboratory, The National Centre for Cardiovascular Research, Madrid, Spain
| | - Santos Castañeda
- Rheumatology Department from Hospital Universitario La Princesa, Instituto de Investigación Sanitaria-Princesa IIS-IP, Madrid, Spain.,Cátedra UAM-Roche, EPID-Future, Department of Medicine, UAM, Madrid, Spain
| | - Ana Dopazo
- Genomic Unit, The National Centre for Cardiovascular Research, Madrid, Spain.,CIBER Cardiovascular, Madrid, Spain
| | - Isidoro González Álvaro
- Rheumatology Department from Hospital Universitario La Princesa, Instituto de Investigación Sanitaria-Princesa IIS-IP, Madrid, Spain
| | - Enrique Martin-Gayo
- Immunology Unit from Hospital Universitario La Princesa, Medicine Faculty, Autonomous University of Madrid (UAM), Instituto Investigación Sanitaria-Princesa IIS-IP, Madrid, Spain.,CIBER Infectious Diseases, Madrid, Spain
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14
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González-Madrid E, Rangel-Ramírez MA, Mendoza-León MJ, Álvarez-Mardones O, González PA, Kalergis AM, Opazo MC, Riedel CA. Risk Factors from Pregnancy to Adulthood in Multiple Sclerosis Outcome. Int J Mol Sci 2022; 23:ijms23137080. [PMID: 35806081 PMCID: PMC9266360 DOI: 10.3390/ijms23137080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 06/20/2022] [Accepted: 06/23/2022] [Indexed: 02/04/2023] Open
Abstract
Multiple sclerosis (MS) is an autoimmune disease characterized by a robust inflammatory response against myelin sheath antigens, which causes astrocyte and microglial activation and demyelination of the central nervous system (CNS). Multiple genetic predispositions and environmental factors are known to influence the immune response in autoimmune diseases, such as MS, and in the experimental autoimmune encephalomyelitis (EAE) model. Although the predisposition to suffer from MS seems to be a multifactorial process, a highly sensitive period is pregnancy due to factors that alter the development and differentiation of the CNS and the immune system, which increases the offspring’s susceptibility to develop MS. In this regard, there is evidence that thyroid hormone deficiency during gestation, such as hypothyroidism or hypothyroxinemia, may increase susceptibility to autoimmune diseases such as MS. In this review, we discuss the relevance of the gestational period for the development of MS in adulthood.
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Affiliation(s)
- Enrique González-Madrid
- Laboratorio Endocrinología-Inmunología, Departamento de Ciencias Biológicas, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago 8320000, Chile; (E.G.-M.); (M.A.R.-R.); (M.J.M.-L.); (O.Á.-M.)
- Millennium Institute on Immunology and Immunotherapy, Santiago 8320000, Chile; (P.A.G.); (A.M.K.); (M.C.O.)
| | - Ma. Andreina Rangel-Ramírez
- Laboratorio Endocrinología-Inmunología, Departamento de Ciencias Biológicas, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago 8320000, Chile; (E.G.-M.); (M.A.R.-R.); (M.J.M.-L.); (O.Á.-M.)
- Millennium Institute on Immunology and Immunotherapy, Santiago 8320000, Chile; (P.A.G.); (A.M.K.); (M.C.O.)
| | - María José Mendoza-León
- Laboratorio Endocrinología-Inmunología, Departamento de Ciencias Biológicas, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago 8320000, Chile; (E.G.-M.); (M.A.R.-R.); (M.J.M.-L.); (O.Á.-M.)
- Millennium Institute on Immunology and Immunotherapy, Santiago 8320000, Chile; (P.A.G.); (A.M.K.); (M.C.O.)
| | - Oscar Álvarez-Mardones
- Laboratorio Endocrinología-Inmunología, Departamento de Ciencias Biológicas, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago 8320000, Chile; (E.G.-M.); (M.A.R.-R.); (M.J.M.-L.); (O.Á.-M.)
- Millennium Institute on Immunology and Immunotherapy, Santiago 8320000, Chile; (P.A.G.); (A.M.K.); (M.C.O.)
| | - Pablo A. González
- Millennium Institute on Immunology and Immunotherapy, Santiago 8320000, Chile; (P.A.G.); (A.M.K.); (M.C.O.)
- Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago 8320000, Chile
| | - Alexis M. Kalergis
- Millennium Institute on Immunology and Immunotherapy, Santiago 8320000, Chile; (P.A.G.); (A.M.K.); (M.C.O.)
- Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago 8320000, Chile
- Departamento de Endocrinología, Escuela de Medicina, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago 8320000, Chile
| | - Ma. Cecilia Opazo
- Millennium Institute on Immunology and Immunotherapy, Santiago 8320000, Chile; (P.A.G.); (A.M.K.); (M.C.O.)
- Instituto de Ciencias Naturales, Facultad de Medicina Veterinaria y Agronomía, Universidad de Las Américas, Manuel Montt 948, Providencia 7500000, Chile
| | - Claudia A. Riedel
- Laboratorio Endocrinología-Inmunología, Departamento de Ciencias Biológicas, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago 8320000, Chile; (E.G.-M.); (M.A.R.-R.); (M.J.M.-L.); (O.Á.-M.)
- Millennium Institute on Immunology and Immunotherapy, Santiago 8320000, Chile; (P.A.G.); (A.M.K.); (M.C.O.)
- Correspondence:
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15
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Melatonin and multiple sclerosis: antioxidant, anti-inflammatory and immunomodulator mechanism of action. Inflammopharmacology 2022; 30:1569-1596. [PMID: 35665873 PMCID: PMC9167428 DOI: 10.1007/s10787-022-01011-0] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 05/13/2022] [Indexed: 12/14/2022]
Abstract
BACKGROUND Melatonin is an indole hormone secreted primarily by the pineal gland that showing anti-oxidant, anti-inflammatory and anti-apoptotic capacity. It can play an important role in the pathophysiological mechanisms of various diseases. In this regard, different studies have shown that there is a relationship between Melatonin and Multiple Sclerosis (MS). MS is a chronic immune-mediated disease of the Central Nervous System. AIM The objective of this review was to evaluate the mechanisms of action of melatonin on oxidative stress, inflammation and intestinal dysbiosis caused by MS, as well as its interaction with different hormones and factors that can influence the pathophysiology of the disease. RESULTS Melatonin causes a significant increase in the levels of catalase, superoxide dismutase, glutathione peroxidase, glutathione and can counteract and inhibit the effects of the NLRP3 inflammasome, which would also be beneficial during SARS-CoV-2 infection. In addition, melatonin increases antimicrobial peptides, especially Reg3β, which could be useful in controlling the microbiota. CONCLUSION Melatonin could exert a beneficial effect in people suffering from MS, running as a promising candidate for the treatment of this disease. However, more research in human is needed to help understand the possible interaction between melatonin and certain sex hormones, such as estrogens, to know the potential therapeutic efficacy in both men and women.
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16
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Qiu D, Zhang D, Yu Z, Jiang Y, Zhu D. Bioinformatics approach reveals the critical role of the NOD-like receptor signaling pathway in COVID-19-associated multiple sclerosis syndrome. J Neural Transm (Vienna) 2022; 129:1031-1038. [PMID: 35648256 PMCID: PMC9156618 DOI: 10.1007/s00702-022-02518-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Accepted: 05/14/2022] [Indexed: 01/19/2023]
Abstract
Multiple sclerosis (MS) is a kind of central nervous system (CNS) autoimmune disease, which mainly damages nerves, the brain, and the spinal cord. Recently, several clinical cases reported the relativity between Coronavirus Disease 2019 (COVID-19) and the development of MS, but the mechanism of how COVID-19 affects the occurrence of MS was still not clear. It is bioinformatics technology that we use to explore the potential association at the gene level. The genetic information related to the two diseases was collected from the DisGNET platform for functional protein network analysis and used STRING to identify the complete gene set. The protein–protein interaction (PPI) network was analyzed by STRING. Finally, in the GEO database, we selected peripheral blood mononuclear cell (PBMC) RNA sequencing data (GSE164805, GSE21942) from COVID-19 patients and MS patients to verify the potential cross mechanism between the two diseases. The similar gene set of immune or inflammation existed between the patients with COVID-19 and ones with MS, including L2RA, IFNG, IL1B, NLRP3, and TNF. Interaction network analysis among proteins revealed that IL1B, P2RX7, IFNB1, IFNB1, TNF, and CASP1 enhanced the network connectivity between the combined gene set of COVID-19 and MS associated with NOD-like receptor (NLR) signaling. The involvement of NLR signaling in both diseases was further confirmed by comparing peripheral blood monocyte samples from COVID-19 and MS patients. Activation of NLR signaling was found in both COVID-19 and MS. The PBMC samples analyses also indicated the involvement of the NLR signaling pathway. Taken together, our data analyses revealed that the NLR signaling pathway might play a critical role in the COVID-19-related MS.
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Affiliation(s)
- Dong Qiu
- The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Dongtai Zhang
- The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Zhenyang Yu
- The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Yiwen Jiang
- The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Dan Zhu
- The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China.
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17
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Conway SE, Healy BC, Zurawski J, Severson C, Kaplan T, Stazzone L, Galetta K, Chitnis T, Houtchens MK. COVID-19 severity is associated with worsened neurological outcomes in Multiple Sclerosis and Related Disorders. Mult Scler Relat Disord 2022; 63:103946. [PMID: 35709663 PMCID: PMC9556032 DOI: 10.1016/j.msard.2022.103946] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 05/20/2022] [Accepted: 06/04/2022] [Indexed: 11/15/2022]
Abstract
Background Methods Results Conclusions
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Affiliation(s)
- Sarah E Conway
- Brigham Multiple Sclerosis Center, Department of Neurology, Harvard Medical School, Brigham and Women's Hospital, Boston, MA, USA
| | - Brian C Healy
- Biostatistics Center, Brigham Multiple Sclerosis Center, Harvard Medical School, Brigham and Women's Hospital, Boston, USA
| | - Jonathan Zurawski
- Brigham Multiple Sclerosis Center, Department of Neurology, Harvard Medical School, Brigham and Women's Hospital, Boston, MA, USA
| | - Christopher Severson
- Brigham Multiple Sclerosis Center, Department of Neurology, Harvard Medical School, Brigham and Women's Hospital, Boston, MA, USA
| | - Tamara Kaplan
- Brigham Multiple Sclerosis Center, Department of Neurology, Harvard Medical School, Brigham and Women's Hospital, Boston, MA, USA
| | - Lynn Stazzone
- Brigham Multiple Sclerosis Center, Department of Neurology, Harvard Medical School, Brigham and Women's Hospital, Boston, MA, USA
| | - Kristin Galetta
- Brigham Multiple Sclerosis Center, Department of Neurology, Harvard Medical School, Brigham and Women's Hospital, Boston, MA, USA
| | - Tanuja Chitnis
- Brigham Multiple Sclerosis Center, Department of Neurology, Harvard Medical School, Brigham and Women's Hospital, Boston, MA, USA
| | - Maria K Houtchens
- Brigham Multiple Sclerosis Center, Department of Neurology, Harvard Medical School, Brigham and Women's Hospital, Boston, MA, USA.
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18
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Liu J, Zhang H, Su Y, Zhang B. Application and prospect of targeting innate immune sensors in the treatment of autoimmune diseases. Cell Biosci 2022; 12:68. [PMID: 35619184 PMCID: PMC9134593 DOI: 10.1186/s13578-022-00810-w] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 05/09/2022] [Indexed: 12/22/2022] Open
Abstract
Dysregulation of auto-reactive T cells and autoantibody-producing B cells and excessive inflammation are responsible for the occurrence and development of autoimmune diseases. The suppression of autoreactive T cell activation and autoantibody production, as well as inhibition of inflammatory cytokine production have been utilized to ameliorate autoimmune disease symptoms. However, the existing treatment strategies are not sufficient to cure autoimmune diseases since patients can quickly suffer a relapse following the end of treatments. Pattern recognition receptors (PRRs), including Toll-like receptors (TLRs), Nod-like receptors (NLRs), RIG-I like receptors (RLRs), C-type lectin receptors (CLRs) and various nucleic acid sensors, are expressed in both innate and adaptive immune cells and are involved in the development of autoimmune diseases. Here, we have summarized advances of PRRs signaling pathways, association between PRRs and autoimmune diseases, application of inhibitors targeting PRRs and the corresponding signaling molecules relevant to strategies targeting autoimmune diseases. This review emphasizes the roles of different PRRs in activating both innate and adaptive immunity, which can coordinate to trigger autoimmune responses. The review may also prompt the formulation of novel ideas for developing therapeutic strategies against autoimmune diseases by targeting PRRs-related signals.
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Affiliation(s)
- Jun Liu
- Department of Pathogenic Microbiology and Immunology, School of Basic Medical Sciences, Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China.,Institute of Infection and Immunity, Translational Medicine Institute, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, Shaanxi, China
| | - Hui Zhang
- NHC Key Laboratory of AIDS Immunology (China Medical University), National Clinical Research Center for Laboratory Medicine, The First Affiliated Hospital of China Medical University, Shenyang, 110001, China
| | - Yanhong Su
- Department of Pathogenic Microbiology and Immunology, School of Basic Medical Sciences, Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China.,Institute of Infection and Immunity, Translational Medicine Institute, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, Shaanxi, China
| | - Baojun Zhang
- Department of Pathogenic Microbiology and Immunology, School of Basic Medical Sciences, Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China. .,Institute of Infection and Immunity, Translational Medicine Institute, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, Shaanxi, China. .,Key Laboratory of Environment and Genes Related to Diseases, Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China. .,Basic and Translational Research Laboratory of Immune Related Diseases, Xi'an, 710061, Shaanxi, China.
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19
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Cui Y, Yu H, Bu Z, Wen L, Yan L, Feng J. Focus on the Role of the NLRP3 Inflammasome in Multiple Sclerosis: Pathogenesis, Diagnosis, and Therapeutics. Front Mol Neurosci 2022; 15:894298. [PMID: 35694441 PMCID: PMC9175009 DOI: 10.3389/fnmol.2022.894298] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 05/05/2022] [Indexed: 12/11/2022] Open
Abstract
Neuroinflammation is initiated with an aberrant innate immune response in the central nervous system (CNS) and is involved in many neurological diseases. Inflammasomes are intracellular multiprotein complexes that can be used as platforms to induce the maturation and secretion of proinflammatory cytokines and pyroptosis, thus playing a pivotal role in neuroinflammation. Among the inflammasomes, the nucleotide-binding oligomerization domain-, leucine-rich repeat- and pyrin domain-containing 3 (NLRP3) inflammasome is well-characterized and contributes to many neurological diseases, such as multiple sclerosis (MS), Alzheimer's disease (AD), and ischemic stroke. MS is a chronic autoimmune disease of the CNS, and its hallmarks include chronic inflammation, demyelination, and neurodegeneration. Studies have demonstrated a relationship between MS and the NLRP3 inflammasome. To date, the pathogenesis of MS is not fully understood, and clinical studies on novel therapies are still underway. Here, we review the activation mechanism of the NLRP3 inflammasome, its role in MS, and therapies targeting related molecules, which may be beneficial in MS.
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20
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Li Y, Sun C, Cui L, Wang Q. NLRC4 Gene Single Nucleotide Polymorphisms Are Associated with the Prognosis of Hemophagocytic Lymphohistiocytosis. COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE 2021; 2021:8581746. [PMID: 34925545 PMCID: PMC8683185 DOI: 10.1155/2021/8581746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 11/23/2021] [Indexed: 11/25/2022]
Abstract
OBJECTIVE To analyze and study the correlation between NLR family CARD domain-containing 4 (NLRC4) gene single nucleotide polymorphisms and the prognosis of patients with hemophagocytic lymphohistiocytosis (HLH). METHODS In this study, we retrospectively studied the clinical data of 62 HLH patients, including 40 males and 22 females. The genomic DNA was extracted, and the genotypes at rs385076 locus and rs479333 locus of the NLRC4 gene were analyzed. The level of blood interleukin-18 (IL-18) was analyzed by enzyme-linked immunosorbent assay (ELISA). RESULTS Compared with the TT genotype at the NLRC4 gene rs385076 locus, the mortality of HLH patients with TC genotype and CC genotype was higher (RR = 3.205, 95% CI: 1.277-4.788, p = 0.012; RR = 3.052, 95% CI: 1.098-4.753, p = 0.031). Taking the CC genotype at rs479333 of the NLRC4 gene as a reference, HLH patients with CG genotype and GG genotype had a higher risk of death (RR = 3.475, 95% CI: 1.488-5.775, p = 0.003; RR = 2.986, 95% CI: 1.014-5.570, p = 0.047). NLRC4 gene rs385076 T>C and rs479333 C>G were significantly related to the poor prognosis of HLH patients. The area under the curve (AUC) of the receiver operating curve (ROC) for the prognostic outcome of HLH with serum IL-18 level was 0.6813 (95% CI: 0.5365-0.8260, p = 0.0189). NLRC4 gene rs385076 T>C and rs479333 C>G were related to higher serum IL-18 levels. CONCLUSION NLRC4 gene rs385076 T>C and rs479333 C>G are related to the poor prognosis of HLH patients.
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Affiliation(s)
- Yan Li
- Department of Hematology, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
| | - Chengdong Sun
- Department of Infectious Diseases, Beijing Jishuitan Hospital, Beijing 100096, China
| | - Liying Cui
- Department of Hematology, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
| | - Qiuying Wang
- Department of Hematology, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
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21
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Relationship between inflammation and oxidative stress and its effect on multiple sclerosis. Neurologia 2021. [DOI: 10.1016/j.nrl.2021.10.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
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22
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Badal D, Sachdeva N, Maheshwari D, Basak P. Role of nucleic acid sensing in the pathogenesis of type 1 diabetes. World J Diabetes 2021; 12:1655-1673. [PMID: 34754369 PMCID: PMC8554372 DOI: 10.4239/wjd.v12.i10.1655] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 05/22/2021] [Accepted: 07/05/2021] [Indexed: 02/06/2023] Open
Abstract
During infections, nucleic acids of pathogens are also engaged in recognition via several exogenous and cytosolic pattern recognition receptors, such as the toll-like receptors, retinoic acid inducible gene-I-like receptors, and nucleotide-binding and oligomerization domain-like receptors. The binding of the pathogen-derived nucleic acids to their corresponding sensors initiates certain downstream signaling cascades culminating in the release of type-I interferons (IFNs), especially IFN-α and other cytokines to induce proinflammatory responses towards invading pathogens leading to their clearance from the host. Although these sensors are hardwired to recognize pathogen associated molecular patterns, like viral and bacterial nucleic acids, under unusual physiological conditions, such as excessive cellular stress and increased apoptosis, endogenous self-nucleic acids like DNA, RNA, and mitochondrial DNA are also released. The presence of these self-nucleic acids in extranuclear compartments or extracellular spaces or their association with certain proteins sometimes leads to the failure of discriminating mechanisms of nucleic acid sensors leading to proinflammatory responses as seen in autoimmune disorders, like systemic lupus erythematosus, psoriasis and to some extent in type 1 diabetes (T1D). This review discusses the involvement of various nucleic acid sensors in autoimmunity and discusses how aberrant recognition of self-nucleic acids by their sensors activates the innate immune responses during the pathogenesis of T1D.
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Affiliation(s)
- Darshan Badal
- Department of Pediatrics, Post Graduate Institute of Medical Education and Research, Chandigarh 160012, India
| | - Naresh Sachdeva
- Department of Endocrinology, Post Graduate Institute of Medical Education and Research, Chandigarh 160012, India
| | - Deep Maheshwari
- Department of Endocrinology, Post Graduate Institute of Medical Education and Research, Chandigarh 160012, India
| | - Preetam Basak
- Department of Endocrinology, Post Graduate Institute of Medical Education and Research, Chandigarh 160012, India
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23
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Bellucci G, Rinaldi V, Buscarinu MC, Reniè R, Bigi R, Pellicciari G, Morena E, Romano C, Marrone A, Mechelli R, Salvetti M, Ristori G. Multiple Sclerosis and SARS-CoV-2: Has the Interplay Started? Front Immunol 2021; 12:755333. [PMID: 34646278 PMCID: PMC8503550 DOI: 10.3389/fimmu.2021.755333] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Accepted: 09/03/2021] [Indexed: 12/11/2022] Open
Abstract
Current knowledge on Multiple Sclerosis (MS) etiopathogenesis encompasses complex interactions between the host's genetic background and several environmental factors that result in dysimmunity against the central nervous system. An old-aged association exists between MS and viral infections, capable of triggering and sustaining neuroinflammation through direct and indirect mechanisms. The novel Coronavirus, SARS-CoV-2, has a remarkable, and still not fully understood, impact on the immune system: the occurrence and severity of both acute COVID-19 and post-infectious chronic illness (long COVID-19) largely depends on the host's response to the infection, that echoes several aspects of MS pathobiology. Furthermore, other MS-associated viruses, such as the Epstein-Barr Virus (EBV) and Human Endogenous Retroviruses (HERVs), may enhance a mechanistic interplay with the novel Coronavirus, with the potential to interfere in MS natural history. Studies on COVID-19 in people with MS have helped clinicians in adjusting therapeutic strategies during the pandemic; similar efforts are being made for SARS-CoV-2 vaccination campaigns. In this Review, we look over 18 months of SARS-CoV-2 pandemic from the perspective of MS: we dissect neuroinflammatory and demyelinating mechanisms associated with COVID-19, summarize pathophysiological crossroads between MS and SARS-CoV-2 infection, and discuss present evidence on COVID-19 and its vaccination in people with MS.
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Affiliation(s)
- Gianmarco Bellucci
- Centre for Experimental Neurological Therapies (CENTERS), Department of Neurosciences, Mental Health and Sensory Organs, Sapienza University of Rome, Rome, Italy
| | - Virginia Rinaldi
- Centre for Experimental Neurological Therapies (CENTERS), Department of Neurosciences, Mental Health and Sensory Organs, Sapienza University of Rome, Rome, Italy
| | - Maria Chiara Buscarinu
- Centre for Experimental Neurological Therapies (CENTERS), Department of Neurosciences, Mental Health and Sensory Organs, Sapienza University of Rome, Rome, Italy
- Neuroimmunology Unit, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Fondazione Santa Lucia, Rome, Italy
| | - Roberta Reniè
- Centre for Experimental Neurological Therapies (CENTERS), Department of Neurosciences, Mental Health and Sensory Organs, Sapienza University of Rome, Rome, Italy
| | - Rachele Bigi
- Centre for Experimental Neurological Therapies (CENTERS), Department of Neurosciences, Mental Health and Sensory Organs, Sapienza University of Rome, Rome, Italy
| | - Giulia Pellicciari
- Centre for Experimental Neurological Therapies (CENTERS), Department of Neurosciences, Mental Health and Sensory Organs, Sapienza University of Rome, Rome, Italy
| | - Emanuele Morena
- Centre for Experimental Neurological Therapies (CENTERS), Department of Neurosciences, Mental Health and Sensory Organs, Sapienza University of Rome, Rome, Italy
| | - Carmela Romano
- Centre for Experimental Neurological Therapies (CENTERS), Department of Neurosciences, Mental Health and Sensory Organs, Sapienza University of Rome, Rome, Italy
| | - Antonio Marrone
- Centre for Experimental Neurological Therapies (CENTERS), Department of Neurosciences, Mental Health and Sensory Organs, Sapienza University of Rome, Rome, Italy
| | - Rosella Mechelli
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) San Raffaele Pisana, Rome, Italy
- San Raffaele Roma Open University, Rome, Italy
| | - Marco Salvetti
- Centre for Experimental Neurological Therapies (CENTERS), Department of Neurosciences, Mental Health and Sensory Organs, Sapienza University of Rome, Rome, Italy
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Istituto Neurologico Mediterraneo Neuromed, Pozzilli, Italy
| | - Giovanni Ristori
- Centre for Experimental Neurological Therapies (CENTERS), Department of Neurosciences, Mental Health and Sensory Organs, Sapienza University of Rome, Rome, Italy
- Neuroimmunology Unit, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Fondazione Santa Lucia, Rome, Italy
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Pearson JA, Wong FS, Wen L. Inflammasomes and Type 1 Diabetes. Front Immunol 2021; 12:686956. [PMID: 34177937 PMCID: PMC8219953 DOI: 10.3389/fimmu.2021.686956] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2021] [Accepted: 05/17/2021] [Indexed: 01/10/2023] Open
Abstract
Microbiota have been identified as an important modulator of susceptibility in the development of Type 1 diabetes in both animal models and humans. Collectively these studies highlight the association of the microbiota composition with genetic risk, islet autoantibody development and modulation of the immune responses. However, the signaling pathways involved in mediating these changes are less well investigated, particularly in humans. Importantly, understanding the activation of signaling pathways in response to microbial stimulation is vital to enable further development of immunotherapeutics, which may enable enhanced tolerance to the microbiota or prevent the initiation of the autoimmune process. One such signaling pathway that has been poorly studied in the context of Type 1 diabetes is the role of the inflammasomes, which are multiprotein complexes that can initiate immune responses following detection of their microbial ligands. In this review, we discuss the roles of the inflammasomes in modulating Type 1 diabetes susceptibility, from genetic associations to the priming and activation of the inflammasomes. In addition, we also summarize the available inhibitors for therapeutically targeting the inflammasomes, which may be of future use in Type 1 diabetes.
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Affiliation(s)
- James Alexander Pearson
- Diabetes Research Group, Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, United Kingdom
| | - F Susan Wong
- Diabetes Research Group, Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, United Kingdom
| | - Li Wen
- Section of Endocrinology, Internal Medicine, School of Medicine, Yale University, New Haven, CT, United States
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25
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Mucke HAM. Drug Repurposing Patent Applications January-March 2021. Assay Drug Dev Technol 2021. [PMID: 33945331 DOI: 10.1089/adt.2021.051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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26
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Papagoras C, Lampropoulou V, Mavraki E, Chrysanthopoulou A, Deftereos S, Aróstegui JI, Skendros P, Ritis K. Multiple sclerosis in a patient with cryopyrin-associated autoinflammatory syndrome: Evidence that autoinflammation is the common link. Clin Immunol 2021; 227:108750. [PMID: 33945870 DOI: 10.1016/j.clim.2021.108750] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 04/28/2021] [Accepted: 04/30/2021] [Indexed: 01/08/2023]
Abstract
The co-existence of an autoinflammatory syndrome with a demyelinating disorder is a very rare occurrence raising the question whether there is a pathophysiological connection between them. We describe the case of a man with symptoms of cryopyrin-associated periodic syndrome (CAPS) since infancy who later developed multiple sclerosis (MS). As CAPS was genetically confirmed, the inhibition of interleukin-1 (IL-1) with anakinra led to a swift resolution of the CAPS symptoms and also, in combination with teriflunomide, to a clinical and imaging improvement of MS. In vitro studies showed that, upon a CAPS flare, the patient's peripheral neutrophils released neutrophil extracellular traps (NETs) decorated with IL-1β, while NET release was markedly decreased following anakinra-induced remission of CAPS. Taking into account the growing evidence on the involvement of IL-1β in experimental models of MS, this rare patient case suggests that the role of neutrophils/NETs and IL-1β in MS should be further studied.
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Affiliation(s)
- Charalampos Papagoras
- First Department of Internal Medicine, University Hospital of Alexandroupolis, Democritus University of Thrace, Alexandroupolis, Greece; Laboratory of Molecular Hematology, Democritus University of Thrace, Alexandroupolis, Greece
| | - Vasiliki Lampropoulou
- First Department of Internal Medicine, University Hospital of Alexandroupolis, Democritus University of Thrace, Alexandroupolis, Greece
| | - Eleni Mavraki
- Department of Neurology, University Hospital of Alexandroupolis, Alexandroupolis, Greece
| | - Akrivi Chrysanthopoulou
- Laboratory of Molecular Hematology, Democritus University of Thrace, Alexandroupolis, Greece
| | - Savas Deftereos
- Department of Radiology, University Hospital of Alexandroupolis, Democritus University of Thrace, Alexandroupolis, Greece
| | - Juan I Aróstegui
- Department of Immunology, Hospital Clinic, Barcelona, Spain; Institut d' Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS), Barcelona, Spain
| | - Panagiotis Skendros
- First Department of Internal Medicine, University Hospital of Alexandroupolis, Democritus University of Thrace, Alexandroupolis, Greece; Laboratory of Molecular Hematology, Democritus University of Thrace, Alexandroupolis, Greece
| | - Konstantinos Ritis
- First Department of Internal Medicine, University Hospital of Alexandroupolis, Democritus University of Thrace, Alexandroupolis, Greece; Laboratory of Molecular Hematology, Democritus University of Thrace, Alexandroupolis, Greece.
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27
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Gonçalves de Andrade E, Šimončičová E, Carrier M, Vecchiarelli HA, Robert MÈ, Tremblay MÈ. Microglia Fighting for Neurological and Mental Health: On the Central Nervous System Frontline of COVID-19 Pandemic. Front Cell Neurosci 2021; 15:647378. [PMID: 33737867 PMCID: PMC7961561 DOI: 10.3389/fncel.2021.647378] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Accepted: 01/15/2021] [Indexed: 12/15/2022] Open
Abstract
Coronavirus disease 2019 (COVID-19) is marked by cardio-respiratory alterations, with increasing reports also indicating neurological and psychiatric symptoms in infected individuals. During COVID-19 pathology, the central nervous system (CNS) is possibly affected by direct severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) invasion, exaggerated systemic inflammatory responses, or hypoxia. Psychosocial stress imposed by the pandemic further affects the CNS of COVID-19 patients, but also the non-infected population, potentially contributing to the emergence or exacerbation of various neurological or mental health disorders. Microglia are central players of the CNS homeostasis maintenance and inflammatory response that exert their crucial functions in coordination with other CNS cells. During homeostatic challenges to the brain parenchyma, microglia modify their density, morphology, and molecular signature, resulting in the adjustment of their functions. In this review, we discuss how microglia may be involved in the neuroprotective and neurotoxic responses against CNS insults deriving from COVID-19. We examine how these responses may explain, at least partially, the neurological and psychiatric manifestations reported in COVID-19 patients and the general population. Furthermore, we consider how microglia might contribute to increased CNS vulnerability in certain groups, such as aged individuals and people with pre-existing conditions.
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Affiliation(s)
| | - Eva Šimončičová
- Division of Medical Science, University of Victoria, Victoria, BC, Canada
| | - Micaël Carrier
- Division of Medical Science, University of Victoria, Victoria, BC, Canada.,Axe Neurosciences, Centre de Recherche du CHU de Québec, Université de Laval, Québec City, QC, Canada
| | | | - Marie-Ève Robert
- Axe Neurosciences, Centre de Recherche du CHU de Québec, Université de Laval, Québec City, QC, Canada
| | - Marie-Ève Tremblay
- Division of Medical Science, University of Victoria, Victoria, BC, Canada.,Axe Neurosciences, Centre de Recherche du CHU de Québec, Université de Laval, Québec City, QC, Canada.,Neurology and Neurosurgery Department, McGill University, Montréal, QC, Canada.,Department of Molecular Medicine, Université de Laval, Québec City, QC, Canada.,Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, BC, Canada
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28
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Seok JK, Kang HC, Cho YY, Lee HS, Lee JY. Therapeutic regulation of the NLRP3 inflammasome in chronic inflammatory diseases. Arch Pharm Res 2021; 44:16-35. [PMID: 33534121 PMCID: PMC7884371 DOI: 10.1007/s12272-021-01307-9] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Accepted: 01/07/2021] [Indexed: 12/13/2022]
Abstract
Inflammasomes are cytosolic pattern recognition receptors that recognize pathogen-associated molecular patterns (PAMPs) and danger-associated molecular patterns (DAMPs) derived from invading pathogens and damaged tissues, respectively. Upon activation, the inflammasome forms a complex containing a receptor protein, an adaptor, and an effector to induce the autocleavage and activation of procaspase-1 ultimately culminating in the maturation and secretion of IL-1β and IL-18 and pyroptosis. Inflammasome activation plays an important role in host immune responses to pathogen infections and tissue repair in response to cellular damage. The NLRP3 inflammasome is a well-characterized pattern recognition receptor and is well known for its critical role in the regulation of immunity and the development and progression of various inflammatory diseases. In this review, we summarize recent efforts to develop therapeutic applications targeting the NLRP3 inflammasome to cure and prevent chronic inflammatory diseases. This review extensively discusses NLRP3 inflammasome-related diseases and current development of small molecule inhibitors providing beneficial information on the design of therapeutic strategies for NLRP3 inflammasome-related diseases. Additionally, small molecule inhibitors are classified depending on direct or indirect targeting mechanism to describe the current status of the development of pharmacological inhibitors.
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Affiliation(s)
- Jin Kyung Seok
- BK21 PLUS Team, College of Pharmacy, The Catholic University of Korea, Bucheon, 14662, Republic of Korea
| | - Han Chang Kang
- BK21 PLUS Team, College of Pharmacy, The Catholic University of Korea, Bucheon, 14662, Republic of Korea
| | - Yong-Yeon Cho
- BK21 PLUS Team, College of Pharmacy, The Catholic University of Korea, Bucheon, 14662, Republic of Korea
| | - Hye Suk Lee
- BK21 PLUS Team, College of Pharmacy, The Catholic University of Korea, Bucheon, 14662, Republic of Korea
| | - Joo Young Lee
- BK21 PLUS Team, College of Pharmacy, The Catholic University of Korea, Bucheon, 14662, Republic of Korea.
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29
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Baidya F, Bohra M, Datta A, Sarmah D, Shah B, Jagtap P, Raut S, Sarkar A, Singh U, Kalia K, Borah A, Wang X, Dave KR, Yavagal DR, Bhattacharya P. Neuroimmune crosstalk and evolving pharmacotherapies in neurodegenerative diseases. Immunology 2021; 162:160-178. [PMID: 32939758 PMCID: PMC7808166 DOI: 10.1111/imm.13264] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 08/20/2020] [Accepted: 08/29/2020] [Indexed: 02/06/2023] Open
Abstract
Neurodegeneration is characterized by gradual onset and limited availability of specific biomarkers. Apart from various aetiologies such as infection, trauma, genetic mutation, the interaction between the immune system and CNS is widely associated with neuronal damage in neurodegenerative diseases. The immune system plays a distinct role in disease progression and cellular homeostasis. It induces cellular and humoral responses, and enables tissue repair, cellular healing and clearance of cellular detritus. Aberrant and chronic activation of the immune system can damage healthy neurons. The pro-inflammatory mediators secreted by chief innate immune components, the complement system, microglia and inflammasome can augment cytotoxicity. Furthermore, these inflammatory mediators accelerate microglial activation resulting in progressive neuronal loss. Various animal studies have been carried out to unravel the complex pathology and ascertain biomarkers for these harmful diseases, but have had limited success. The present review will provide a thorough understanding of microglial activation, complement system and inflammasome generation, which lead the healthy brain towards neurodegeneration. In addition to this, possible targets of immune components to confer a strategic treatment regime for the alleviation of neuronal damage are also summarized.
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Affiliation(s)
- Falguni Baidya
- Department of Pharmacology and ToxicologyNational Institute of Pharmaceutical Education and Research, Ahmedabad (NIPER‐A)GandhinagarGujaratIndia
| | - Mariya Bohra
- Department of Pharmacology and ToxicologyNational Institute of Pharmaceutical Education and Research, Ahmedabad (NIPER‐A)GandhinagarGujaratIndia
| | - Aishika Datta
- Department of Pharmacology and ToxicologyNational Institute of Pharmaceutical Education and Research, Ahmedabad (NIPER‐A)GandhinagarGujaratIndia
| | - Deepaneeta Sarmah
- Department of Pharmacology and ToxicologyNational Institute of Pharmaceutical Education and Research, Ahmedabad (NIPER‐A)GandhinagarGujaratIndia
| | - Birva Shah
- Department of Pharmacology and ToxicologyNational Institute of Pharmaceutical Education and Research, Ahmedabad (NIPER‐A)GandhinagarGujaratIndia
| | - Priya Jagtap
- Department of Pharmacology and ToxicologyNational Institute of Pharmaceutical Education and Research, Ahmedabad (NIPER‐A)GandhinagarGujaratIndia
| | - Swapnil Raut
- Department of Pharmacology and ToxicologyNational Institute of Pharmaceutical Education and Research, Ahmedabad (NIPER‐A)GandhinagarGujaratIndia
| | - Ankan Sarkar
- Department of Pharmacology and ToxicologyNational Institute of Pharmaceutical Education and Research, Ahmedabad (NIPER‐A)GandhinagarGujaratIndia
| | - Upasna Singh
- Department of Pharmacology and ToxicologyNational Institute of Pharmaceutical Education and Research, Ahmedabad (NIPER‐A)GandhinagarGujaratIndia
| | - Kiran Kalia
- Department of Pharmacology and ToxicologyNational Institute of Pharmaceutical Education and Research, Ahmedabad (NIPER‐A)GandhinagarGujaratIndia
| | - Anupom Borah
- Department of Life Science and BioinformaticsAssam UniversitySilcharAssamIndia
| | - Xin Wang
- Department of NeurosurgeryBrigham and Women’s HospitalHarvard Medical SchoolBostonMAUSA
| | - Kunjan R. Dave
- Department of NeurologyUniversity of Miami Miller School of MedicineMiamiFLUSA
| | - Dileep R. Yavagal
- Department of Neurology and NeurosurgeryUniversity of Miami Miller School of MedicineMiamiFLUSA
| | - Pallab Bhattacharya
- Department of Pharmacology and ToxicologyNational Institute of Pharmaceutical Education and Research, Ahmedabad (NIPER‐A)GandhinagarGujaratIndia
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30
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Wu AG, Zhou XG, Qiao G, Yu L, Tang Y, Yan L, Qiu WQ, Pan R, Yu CL, Law BYK, Qin DL, Wu JM. Targeting microglial autophagic degradation in NLRP3 inflammasome-mediated neurodegenerative diseases. Ageing Res Rev 2021; 65:101202. [PMID: 33161129 DOI: 10.1016/j.arr.2020.101202] [Citation(s) in RCA: 93] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 10/20/2020] [Accepted: 10/21/2020] [Indexed: 02/07/2023]
Abstract
Neuroinflammation is considered as a detrimental factor in neurodegenerative diseases, including Alzheimer's disease (AD), Parkinson's disease (PD), Huntington's disease (HD), etc. Nucleotide-binding oligomerization domain-, leucine-rich repeat- and pyrin domain-containing 3 (NLRP3), the most well-studied inflammasome, is abundantly expressed in microglia and has gained considerable attention. Misfolded proteins are characterized as the common hallmarks of neurodegenerative diseases due to not only their induced neuronal toxicity but also their effects in over-activating microglia and the NLRP3 inflammasome. The activated NLRP3 inflammasome aggravates the pathology and accelerates the progression of neurodegenerative diseases. Emerging evidence indicates that microglial autophagy plays an important role in the maintenance of brain homeostasis and the negative regulation of NLRP3 inflammasome-mediated neuroinflammation. The excessive activation of NLRP3 inflammasome impairs microglial autophagy and further aggravates the pathogenesis of neurodegenerative diseases. In this review article, we summarize and discuss the NLRP3 inflammasome and its specific inhibitors in microglia. The crucial role of microglial autophagy and its inducers in the removal of misfolded proteins, the clearance of damaged mitochondria and reactive oxygen species (ROS), and the degradation of the NLRP3 inflammasome or its components in neurodegenerative diseases are summarized. Understanding the underlying mechanisms behind the sex differences in NLRP3 inflammasome-mediated neurodegenerative diseases will help researchers to develop more targeted therapies and increase our diagnostic and prognostic abilities. In addition, the superiority of the combined use of microglial autophagy inducers with the specific inhibitors of the NLRP3 inflammasome in the inhibition of NLRP3 inflammasome-mediated neuroinflammation requires further preclinical and clinical validations in the future.
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31
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Sebastian-Valverde M, Wu H, Al Rahim M, Sanchez R, Kumar K, De Vita RJ, Pasinetti GM. Discovery and characterization of small-molecule inhibitors of NLRP3 and NLRC4 inflammasomes. J Biol Chem 2021; 296:100597. [PMID: 33781745 PMCID: PMC8095128 DOI: 10.1016/j.jbc.2021.100597] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 03/17/2021] [Accepted: 03/25/2021] [Indexed: 12/20/2022] Open
Abstract
Inflammasomes are macromolecular complexes involved in the host response to external and endogenous danger signals. Inflammasome-mediated sterile inflammation plays a central role in several human conditions such as autoimmune diseases, type-2 diabetes, and neurodegenerative disorders, indicating inflammasomes could be appealing therapeutic targets. Previous work has demonstrated that inhibiting the ATPase activity of the nucleotide-binding oligomerization domain, leucine-rich repeat and pyrin domain-containing protein 3 (NLRP3), disrupts inflammasome assembly and function. However, there is a necessity to find new potent compounds with therapeutic potential. Here we combine computational modeling of the target and virtual screening to discover a group of novel compounds predicted to inhibit NLRP3. We characterized the best compounds and determined their potency, specificity, and ability to inhibit processes downstream from NLRP3 activation. Moreover, we analyzed in mice the competence of a lead candidate to reduce lipopolysaccharide-induced inflammation. We also validated the active pharmacophore shared among all the NLRP3 inhibitors, and through computational docking, we clarify key structural features for compound positioning within the inflammasome ATP-binding site. Our study sets the basis for rational design and optimization of inflammasome-targeting probes and drugs.
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Affiliation(s)
| | - Henry Wu
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Md Al Rahim
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Roberto Sanchez
- Drug Discovery Institute, Icahn School of Medicine at Mount Sinai, New York, New York, USA; Department of Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Kunal Kumar
- Drug Discovery Institute, Icahn School of Medicine at Mount Sinai, New York, New York, USA; Department of Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Robert J De Vita
- Drug Discovery Institute, Icahn School of Medicine at Mount Sinai, New York, New York, USA; Department of Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Giulio Maria Pasinetti
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, New York, USA; James J. Peters Veterans Affairs Medical Center, Bronx, New York, USA.
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Zhang H, Zahid A, Ismail H, Tang Y, Jin T, Tao J. An overview of disease models for NLRP3 inflammasome over-activation. Expert Opin Drug Discov 2020; 16:429-446. [PMID: 33131335 DOI: 10.1080/17460441.2021.1844179] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Introduction: Inflammatory reactions, including those mediated by the NLRP3 inflammasome, maintain the body's homeostasis by removing pathogens, repairing damaged tissues, and adapting to stressed environments. However, uncontrolled activation of the NLRP3 inflammasome tends to cause various diseases using different mechanisms. Recently, many inhibitors of the NLRP3 inflammasome have been reported and many are being developed. In order to assess their efficacy, specificity, and mechanism of action, the screening process of inhibitors requires various types of cell and animal models of NLRP3-associated diseases.Areas covered: In the following review, the authors give an overview of the cell and animal models that have been used during the research and development of various inhibitors of the NLRP3 inflammasome.Expert opinion: There are many NLRP3 inflammasome inhibitors, but most of the inhibitors have poor specificity and often influence other inflammatory pathways. The potential risk for cross-reaction is high; therefore, the development of highly specific inhibitors is essential. The selection of appropriate cell and animal models, and combined use of different models for the evaluation of these inhibitors can help to clarify the target specificity and therapeutic effects, which is beneficial for the development and application of drugs targeting the NLRP3 inflammasome.
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Affiliation(s)
- Hongliang 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, China
| | - Ayesha Zahid
- Division of Molecular Medicine, Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Innate Immunity and Chronic Disease, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Hazrat Ismail
- MOE Key Laboratory for Cellular Dynamics & Anhui Key Laboratory for Chemical Biology, CAS Center for Excellence in Molecular Cell Science. Hefei National Science Center for Physical Sciences at Microscale. University of Science and Technology of China, Hefei, China
| | - Yujie Tang
- 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, China
| | - Tengchuan Jin
- 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, China.,Division of Molecular Medicine, Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Innate Immunity and Chronic Disease, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China.,CAS Center for Excellence in Molecular Cell Science, Shanghai, China
| | - Jinhui Tao
- 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, China
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Yao K, Zhao Y, Jin P, Lou X, Luo Z, Zhang H, Li F. Involvement of the NLRC4 inflammasome in promoting retinal ganglion cell death in an acute glaucoma mouse model. Exp Eye Res 2020; 203:108388. [PMID: 33333046 DOI: 10.1016/j.exer.2020.108388] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 11/26/2020] [Accepted: 12/02/2020] [Indexed: 11/18/2022]
Abstract
PURPOSE To explore the role of nucleotide-binding oligomerization domain-like receptors (NLRs) family caspase-activation and the recruitment domain containing 4 (NLRC4) inflammasome in retinal ganglion cell (RGC) injury induced by an acute glaucoma mouse model. METHOD A mouse model of acute ocular hypertension, which can lead to retinal ischemia-reperfusion (I/R) injury, was established. The expression level of NLRC4 was detected by polymerase chain reaction and western blotting. Localized expression of NLRC4 was detected by examining immunofluorescence in eyeball sections. Intravitreal adeno-associated virus 2(AAV2) administration was used to knockdown retinal Nlrc4. Fluoro-Gold labeled RGCs and TdT-mediated dUTP nick end labeling were used to evaluate the survival and apoptosis of RGCs. Tlr4-/- mice were utilized to explore whether NLRC4 inflammasome is influenced by Toll-like receptor4 (TLR4). RESULTS NLRC4, expressed in RGCs and microglial cells, was actively involved in mouse retinal I/R injury. Knockdown of Nlrc4 using an AAV2 vector caused an obvious reduction in the generation of IL-1β led by the rapidly elevated intraocular pressure, and thereby improved the RGC survival. In addition, activation of the NLRC4 inflammasome could influence the phosphorylation of p38 and Jun N-terminal kinase, which was largely dependent on TLR4 signaling. CONCLUSION Our study demonstrated the role of NLRC4 inflammasome in promoting RGC damage in mouse retinal I/R injury. Inhibition of NLRC4 might be leveraged as a potential therapeutic target in glaucomatous retinopathy.
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Affiliation(s)
- Ke Yao
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Yin Zhao
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Peiming Jin
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Xiaotong Lou
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Zhaoxia Luo
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Hong Zhang
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Fei Li
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.
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Yu Y, Wu DM, Li J, Deng SH, Liu T, Zhang T, He M, Zhao YY, Xu Y. Bixin Attenuates Experimental Autoimmune Encephalomyelitis by Suppressing TXNIP/NLRP3 Inflammasome Activity and Activating NRF2 Signaling. Front Immunol 2020; 11:593368. [PMID: 33362775 PMCID: PMC7756000 DOI: 10.3389/fimmu.2020.593368] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Accepted: 11/10/2020] [Indexed: 12/13/2022] Open
Abstract
Multiple sclerosis (MS), an autoimmune and degenerative disease, is characterized by demyelination and chronic neuroinflammation. Bixin is a carotenoid isolated from the seeds of Bixa orellana that exhibits various potent pharmacological activities, including antioxidant, anti-inflammatory, and anti-tumor properties. However, the effects of bixin on MS have not yet been examined. To evaluate the effects and underlying molecular mechanisms of bixin on MS, experimental autoimmune encephalomyelitis (EAE) was established in C57BL/6 mice, which were treated via intragastric administration of bixin solutions. To evaluate the molecular mechanisms of bixin, quantitative reverse-transcription PCR, western blot, immunohistochemistry, flow cytometry, and enzyme-linked immunosorbent assay analyses were performed. We found that bixin significantly improved the symptoms and pathology in EAE mice, reduced the release of inflammatory cytokines TNF-α, IL-6, IL-8, IL-17, and IFN-γ, and increased the expression of the anti-inflammatory cytokine IL-10. And bixin reduced the proportion of Th1 and Th17 cells in the spleen and CNS, and suppressed microglia aggregation, and TXNIP/NLRP3 inflammasome activity by scavenging excessive reactive oxygen species (ROS) in EAE mice. Furthermore, bixin inhibited inflammation and oxidative stress via activating nuclear factor erythroid 2-related factor 2 (NRF2), and its downstream genes in EAE mice, meanwhile, these effects were suppressed upon treatment with an NRF2 inhibitor, ML385. Bixin prevented neuroinflammation and demyelination in EAE mice primarily by scavenging ROS through activation of the NRF2 signaling pathway. Taken together, our results indicate that bixin is a promising therapeutic candidate for treatment of MS.
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MESH Headings
- Animals
- Carotenoids/chemistry
- Carotenoids/pharmacology
- Carrier Proteins/metabolism
- Cytokines/metabolism
- Demyelinating Diseases/drug therapy
- Demyelinating Diseases/etiology
- Demyelinating Diseases/metabolism
- Demyelinating Diseases/pathology
- Disease Models, Animal
- Disease Susceptibility
- Encephalomyelitis, Autoimmune, Experimental/drug therapy
- Encephalomyelitis, Autoimmune, Experimental/etiology
- Encephalomyelitis, Autoimmune, Experimental/metabolism
- Encephalomyelitis, Autoimmune, Experimental/pathology
- Female
- Inflammasomes/metabolism
- Lymphocyte Count
- Mice
- NF-E2-Related Factor 2/metabolism
- NLR Family, Pyrin Domain-Containing 3 Protein/metabolism
- Oxidative Stress/drug effects
- Reactive Oxygen Species/metabolism
- Signal Transduction/drug effects
- T-Lymphocyte Subsets/drug effects
- T-Lymphocyte Subsets/immunology
- T-Lymphocyte Subsets/metabolism
- Thioredoxins/metabolism
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Affiliation(s)
| | | | | | | | | | | | | | | | - Ying Xu
- Clinical Medical College, The First Affiliated Hospital, Collaborative Innovation Center of Sichuan for Elderly Care and Health of Chengdu Medical College, Chengdu, China
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Kiasalari Z, Afshin-Majd S, Baluchnejadmojarad T, Azadi-Ahmadabadi E, Esmaeil-Jamaat E, Fahanik-Babaei J, Fakour M, Fereidouni F, Ghasemi-Tarie R, Jalalzade-Ogvar S, Khodashenas V, Sanaierad A, Zahedi E, Roghani M. Ellagic acid ameliorates neuroinflammation and demyelination in experimental autoimmune encephalomyelitis: Involvement of NLRP3 and pyroptosis. J Chem Neuroanat 2020; 111:101891. [PMID: 33217488 DOI: 10.1016/j.jchemneu.2020.101891] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 11/07/2020] [Accepted: 11/14/2020] [Indexed: 10/23/2022]
Abstract
Multiple sclerosis (MS) is presented as the most common autoimmune and demyelinating neurological disorder with incapacitating complications and with no definite therapy. Most treatments for MS mainly focus on attenuation of its severity and recurrence. To model MS reliably to study pathogenesis and efficacy of possible chemicals, experimental autoimmune encephalomyelitis (EAE) condition is induced in rodents. Ellagic acid is a neuroprotective polyphenol that can protect against demyelination. This study was planned and conducted to assess its possible beneficial effect in MOG-induced EAE model of MS with emphasis on uncovering its modes of action. Ellagic acid was given p.o. (at doses of 10 or 50 mg/kg/day) after development of clinical signs of MS to C57BL/6 mice immunized with MOG35-55. Results showed that ellagic acid can ameliorate severity of the disease and partially restore tissue level of TNFα, IL-6, IL-17A and IL-10. Besides, ellagic acid lowered tissue levels of NLRP3 and caspase 1 in addition to its mitigation of neuroinflammation, demyelination and axonal damage in spinal cord specimens of EAE group. As well, ellagic acid treatment prevented reduction of MBP and decreased GFAP and Iba1 immunoreactivity. Taken together, ellagic acid can decrease severity of EAE via amelioration of astrogliosis, astrocyte activation, demyelination, neuroinflammation and axonal damage that is partly related to its effects on NLRP3 inflammasome and pyroptotic pathway.
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Affiliation(s)
- Zahra Kiasalari
- Neurophysiology Research Center, Shahed University, Tehran, Iran
| | | | | | | | | | - Javad Fahanik-Babaei
- School of Medicine, Iran University of Medical Sciences and Electrophysiology Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Marzieh Fakour
- Department of Physiology, School of Medicine, Shahed University, Tehran, Iran
| | - Farzane Fereidouni
- Department of Anatomy, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | | | | | - Vahid Khodashenas
- Department of Physiology, School of Medicine, Shahed University, Tehran, Iran
| | - Ashkan Sanaierad
- Department of Physiology, School of Medicine, Shahed University, Tehran, Iran
| | - Elham Zahedi
- Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Mehrdad Roghani
- Neurophysiology Research Center, Shahed University, Tehran, Iran.
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36
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Di Stadio A, Romani L, Bernitsas E. Could Sars-Cov2 affect MS progression? Mult Scler Relat Disord 2020; 46:102540. [PMID: 33032060 PMCID: PMC7524432 DOI: 10.1016/j.msard.2020.102540] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 09/25/2020] [Accepted: 09/27/2020] [Indexed: 12/21/2022]
Abstract
A long-term neurologic sequela arising from COVID-19 infection in multiple sclerosis (MS) patients could be related both to the increase of cytokines and the activation of NLRP3 inflammasome by the Sars-CoV2. These two mechanisms may cause a worsening of MS several months after the resolution of the infection.
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Affiliation(s)
- Arianna Di Stadio
- Otolaryngology Department, University of Perugia, Perugia, Italy; Neuroinflammation Lab, Queen Square UCL Neurology, London, UK.
| | - Luigina Romani
- Department of Experimental Medicine, University of Perugia, Perugia, Italy
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37
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Govindarajan V, de Rivero Vaccari JP, Keane RW. Role of inflammasomes in multiple sclerosis and their potential as therapeutic targets. J Neuroinflammation 2020; 17:260. [PMID: 32878648 PMCID: PMC7469327 DOI: 10.1186/s12974-020-01944-9] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Accepted: 08/26/2020] [Indexed: 02/07/2023] Open
Abstract
Multiple sclerosis (MS) is a demyelinating disease of the central nervous system (CNS), and it remains the most common immune-mediated disorder affecting the CNS. While the cause of MS is unclear, the underlying pathomechanisms are thought to be either destruction by autoimmune T cells or dysfunction of myelin-producing cells. Recent advances have indicated that inflammasomes contribute the etiology of MS. Inflammasomes are multiprotein complexes of the innate immune response involved in the processing of caspase-1, the activation of pro-inflammatory cytokines interleukin (IL)-1β and IL-18 as well as the cell death-mediated mechanism of pyroptosis and the activation of the adaptive immune response. Here we review the literature to date on the role of different inflammasome signaling pathways in the pathogenesis of MS and how these pathways may be targeted to reduce deleterious inflammatory processes and improve outcomes in this patient population.
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Affiliation(s)
- Vaidya Govindarajan
- Department of Physiology and Biophysics, University of Miami Miller School of Medicine, 1600 NW 10th Ave RMSB 5058, Miami, FL, 33136, USA
| | - 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, 33136, USA
| | - Robert W Keane
- Department of Physiology and Biophysics, University of Miami Miller School of Medicine, 1600 NW 10th Ave RMSB 5058, Miami, FL, 33136, USA. .,Department of Neurological Surgery and The Miami Project to Cure Paralysis, University of Miami Miller School of Medicine, Miami, FL, 33136, USA.
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38
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Sun X, Pang H, Li J, Luo S, Huang G, Li X, Xie Z, Zhou Z. The NLRP3 Inflammasome and Its Role in T1DM. Front Immunol 2020; 11:1595. [PMID: 32973739 PMCID: PMC7481449 DOI: 10.3389/fimmu.2020.01595] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Accepted: 06/16/2020] [Indexed: 12/15/2022] Open
Abstract
The NLRP3 (nucleotide-binding and oligomerization domain-like receptor family pyrin domain-containing 3) inflammasome is a protein complex expressed in cells. It detects danger signals and induces the production of active caspase-1 and the maturation and release of IL (interleukin)-33, IL-18, IL-1β and other cytokines. T1DM (type 1 diabetes mellitus) is defined as a chronic autoimmune disorder characterized by the autoreactive T cell-mediated elimination of insulin-positive pancreatic beta-cells. Although the exact underlying mechanisms are obscure, researchers have proposed that both environmental and genetic factors are involved in the pathogenesis of T1DM. Furthermore, immune responses, including innate and adaptive immunity, play an important role in this process. Recently, the NLRP3 inflammasome, a critical component of innate immunity, was reported to be associated with T1DM. Here, we review the assembly and function of the NLRP3 inflammasome. In addition, the activation and regulatory mechanisms that enhance or attenuate NLRP3 inflammasome activation are discussed. Finally, we focus on the relationship between the NLRP3 inflammasome and T1DM, as well as its potential value for clinical use.
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Affiliation(s)
- Xiaoxiao Sun
- Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, China.,Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, National Clinical Research Center for Metabolic Diseases, Changsha, China
| | - Haipeng Pang
- Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, China.,Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, National Clinical Research Center for Metabolic Diseases, Changsha, China
| | - Jiaqi Li
- Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, China.,Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, National Clinical Research Center for Metabolic Diseases, Changsha, China
| | - Shuoming Luo
- Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, China.,Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, National Clinical Research Center for Metabolic Diseases, Changsha, China
| | - Gan Huang
- Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, China.,Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, National Clinical Research Center for Metabolic Diseases, Changsha, China
| | - Xia Li
- Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, China.,Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, National Clinical Research Center for Metabolic Diseases, Changsha, China
| | - Zhiguo Xie
- Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, China.,Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, National Clinical Research Center for Metabolic Diseases, Changsha, China
| | - Zhiguang Zhou
- Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, China.,Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, National Clinical Research Center for Metabolic Diseases, Changsha, China
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39
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Kiasalari Z, Afshin-Majd S, Baluchnejadmojarad T, Azadi-Ahmadabadi E, Fakour M, Ghasemi-Tarie R, Jalalzade-Ogvar S, Khodashenas V, Tashakori-Miyanroudi M, Roghani M. Sinomenine Alleviates Murine Experimental Autoimmune Encephalomyelitis Model of Multiple Sclerosis through Inhibiting NLRP3 Inflammasome. J Mol Neurosci 2020; 71:215-224. [PMID: 32812186 DOI: 10.1007/s12031-020-01637-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 06/16/2020] [Indexed: 12/14/2022]
Abstract
Multiple sclerosis (MS) is known as a chronic neuroinflammatory disorder typified by an immune-mediated demyelination process with ensuing axonal damage and loss. Sinomenine is a natural alkaloid with different therapeutic benefits, including anti-inflammatory and immunosuppressive activities. In this study, possible beneficial effects of sinomenine in an MOG-induced model of MS were determined. Sinomenine was given to MOG35-55-immunized C57BL/6 mice at doses of 25 or 100 mg/kg/day after onset of MS clinical signs till day 30 post-immunization. Analyzed data showed that sinomenine reduces severity of the clinical signs and to some extent decreases tissue level of pro-inflammatory cytokines IL-1β, IL-6, IL-18, TNFα, IL-17A, and increases level of anti-inflammatory IL-10. In addition, sinomenine successfully attenuated tissue levels of inflammasome NLRP3, ASC, and caspase 1 besides its reduction of intensity of neuroinflammation, demyelination, and axonal damage and loss in lumbar spinal cord specimens. Furthermore, immunoreactivity for MBP decreased and increased for GFAP and Iba1 after MOG-immunization, which was in part reversed upon sinomenine administration. Overall, sinomenine decreases EAE severity, which is attributed to its alleviation of microglial and astrocytic mobilization, demyelination, and axonal damage along with its suppression of neuroinflammation, and its beneficial effect is also associated with its inhibitory effects on inflammasome and pyroptotic pathways; this may be of potential benefit for the primary progressive phenotype of MS.
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MESH Headings
- Animals
- Astrocytes/drug effects
- Body Weight
- Cytokines/analysis
- Disease Models, Animal
- Dose-Response Relationship, Drug
- Drug Evaluation, Preclinical
- Encephalomyelitis, Autoimmune, Experimental/drug therapy
- Encephalomyelitis, Autoimmune, Experimental/metabolism
- Encephalomyelitis, Autoimmune, Experimental/pathology
- Female
- Inflammasomes/antagonists & inhibitors
- Mice
- Mice, Inbred C57BL
- Microglia/drug effects
- Morphinans/administration & dosage
- Morphinans/pharmacology
- Morphinans/therapeutic use
- Myelin-Oligodendrocyte Glycoprotein/immunology
- Myelin-Oligodendrocyte Glycoprotein/toxicity
- NLR Family, Pyrin Domain-Containing 3 Protein/antagonists & inhibitors
- Peptide Fragments/immunology
- Peptide Fragments/toxicity
- Pyroptosis/drug effects
- Random Allocation
- Specific Pathogen-Free Organisms
- Spinal Cord/chemistry
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Affiliation(s)
- Zahra Kiasalari
- Neurophysiology Research Center, Shahed University, Tehran, Iran
| | | | | | | | - Marzieh Fakour
- Department of Physiology, School of Medicine, Shahed University, Tehran, Iran
| | | | | | - Vahid Khodashenas
- Department of Physiology, School of Medicine, Shahed University, Tehran, Iran
| | | | - Mehrdad Roghani
- Neurophysiology Research Center, Shahed University, Tehran, Iran.
- Department of Physiology, School of Medicine, Shahed University, Tehran, Iran.
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Associations between NLRC4 Gene Polymorphisms and Autoimmune Thyroid Disease. BIOMED RESEARCH INTERNATIONAL 2020; 2020:1378427. [PMID: 32802832 PMCID: PMC7424365 DOI: 10.1155/2020/1378427] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Accepted: 07/23/2020] [Indexed: 12/01/2022]
Abstract
Background Many studies have shown that NLRC4 inflammasome polymorphisms are associated with a variety of autoimmune diseases, but the associations between NLRC4 polymorphisms and autoimmune thyroid diseases (AITDs) are unclear. Our research was aimed at identifying the correlations between NLRC4 polymorphisms and AITDs. Methods Hi-SNP high-throughput genotyping technology was used for detecting four single-nucleotide polymorphisms (SNPs) of NLRC4 in 1005 AITDs patients (including 629 Graves' disease and 376 Hashimoto's thyroiditis) and 781 healthy controls. Results Compared with healthy controls, the allele frequencies and genotype distribution of rs385076 were statistically related to AITDs (P = 0.016 and P = 0.048, respectively) and Hashimoto's thyroiditis (P = 0.022 and P = 0.046, respectively). Before adjusting for age and gender, rs385076 and AITDs had a significant association in three models of allele model, dominant model, and homozygous model. After adjusting for age and gender, in the above three models, there is still a clear relationship between them. Before adjusting for age and gender, there were prominent discrepancy between rs385076 and Hashimoto's thyroiditis in the allele model (OR = 0.81, 95% CI 0.67-0.97; P = 0.021) and the dominant model (OR = 0.73, 95% CI 0.57-0.94; P = 0.014), after adjusting for age and gender, rs385076 and Hashimoto's thyroiditis were significantly related to allele model, dominant model, and homozygous model. However, rs455060, rs212704, and rs675712 were not related to AITDs in our study. Conclusion NLRC4 rs385076 was found to have a significant association with Hashimoto's thyroiditis for the first time. It laid a foundation for the disclosure of the pathogenesis of AITDs, and provided a possible treatment prospect for HT.
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41
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Migliorini P, Italiani P, Pratesi F, Puxeddu I, Boraschi D. The IL-1 family cytokines and receptors in autoimmune diseases. Autoimmun Rev 2020; 19:102617. [PMID: 32663626 DOI: 10.1016/j.autrev.2020.102617] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Accepted: 03/13/2020] [Indexed: 12/12/2022]
Abstract
The role of the cytokines and receptors of the IL-1 family in inflammation is well known. Several cytokines of the family have a powerful inflammatory activity, with IL-1β being the best-characterized factor. The inflammatory activity of IL-1 cytokines is regulated by other factors of the family, including receptor antagonists, soluble receptors and anti-inflammatory cytokines. The causative role of IL-1β is well-established in autoinflammatory diseases, mainly due to gain-of-function mutations in genes encoding the IL-1β-maturing inflammasome. Exaggerated production of IL-1β and IL-18 correlates with disease and disease severity also in several autoimmune and chronic inflammatory and degenerative pathologies, although it is not clear whether they have a causative role or are only involved in the downstream disease symptoms. A better understanding of the pathological role of IL-1 family cytokines in autoimmunity involves a deeper evaluation, in the pathological situations, of the possible anomalies in the feed-back anti-inflammatory mechanisms that in physiological reactions control and dump IL-1-mediated inflammation. Thus, we expect that IL-1 cytokines may be pathogenic only when, in addition to enhanced production, there is a concomitant failure of their control mechanisms. In this review we will examine the current knowledge on the role of IL-1 family cytokines in autoimmune and chronic inflammatory and degenerative diseases, with a particular focus on their endogenous control mechanisms, mainly based on soluble receptors/inhibitors and receptor antagonists. This will allow us to formulate a knowledge-based hypothesis on the involvement of IL-1 cytokines in the pathogenesis vs. the clinical features of these diseases.
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Affiliation(s)
- Paola Migliorini
- Clinical Immunology and Allergy Unit, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
| | - Paola Italiani
- Institute of Biochemistry and Cell Biology, National Research Council, Via Pietro Castellino 111, 80131 Napoli, Italy
| | - Federico Pratesi
- Clinical Immunology and Allergy Unit, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
| | - Ilaria Puxeddu
- Clinical Immunology and Allergy Unit, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
| | - Diana Boraschi
- Institute of Biochemistry and Cell Biology, National Research Council, Via Pietro Castellino 111, 80131 Napoli, Italy
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42
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Sebastian-Valverde M, Pasinetti GM. The NLRP3 Inflammasome as a Critical Actor in the Inflammaging Process. Cells 2020; 9:cells9061552. [PMID: 32604771 PMCID: PMC7348816 DOI: 10.3390/cells9061552] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 06/12/2020] [Accepted: 06/23/2020] [Indexed: 02/06/2023] Open
Abstract
As a consequence of the considerable increase in the human lifespan over the last century, we are experiencing the appearance and impact of new age-related diseases. The causal relationships between aging and an enhanced susceptibility of suffering from a broad spectrum of diseases need to be better understood. However, one specific shared feature seems to be of capital relevance for most of these conditions: the low-grade chronic inflammatory state inherently associated with aging, i.e., inflammaging. Here, we review the molecular and cellular mechanisms that link aging and inflammaging, focusing on the role of the innate immunity and more concretely on the nucleotide-binding oligomerization domain (NOD)-like receptor family pyrin domain containing 3 (NLRP3) inflammasome, as well as how the chronic activation of this inflammasome has a detrimental effect on different age-related disorders.
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Affiliation(s)
| | - Giulio M. Pasinetti
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA;
- James J. Peters Veterans Affairs Medical Center, Bronx, New York, NY 10468, USA
- Correspondence: ; Tel.: +1-212-241-1952
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43
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Yavarpour-Bali H, Ghasemi-Kasman M. The role of inflammasomes in multiple sclerosis. Mult Scler 2020; 27:1323-1331. [PMID: 32539629 DOI: 10.1177/1352458520932776] [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: 11/17/2022]
Abstract
Multiple sclerosis (MS) is considered as an inflammatory autoimmune disease of the central nervous system (CNS), with a complex and heterogenic etiology. However, the involvement of inflammation in its pathophysiology is well documented and current therapies for MS are mainly immunosuppressive drugs. Although the available drugs reduce new lesions and relapses, their long-term outcome is not completely satisfactory. Inflammasomes are multimeric protein complexes that play a critical role in the inflammatory process. Several lines of evidence suggest an association between inflammasome activation and MS. In this paper, we have reviewed current studies that demonstrate the involvement of inflammasomes in MS development, in both animal model and MS patients. Furthermore, prior studies about the effect of inflammasome inhibitor drugs on development and progression of MS are discussed.
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Affiliation(s)
| | - Maryam Ghasemi-Kasman
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran/Neuroscience Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
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44
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Genetic analysis of nucleotide-binding leucine-rich repeat (NLR) receptors in multiple sclerosis. Immunogenetics 2020; 72:381-385. [PMID: 32529290 DOI: 10.1007/s00251-020-01170-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Accepted: 06/04/2020] [Indexed: 10/24/2022]
Abstract
Genetic and functional analyses of the inflammasome suggest a role for this multiprotein complex in the biological mechanisms leading to the onset and progression of multiple sclerosis (MS). Nucleotide-binding, leucine-rich repeat (NLR) receptors trigger the activation and assembly of specific inflammasomes in response to danger signals. Mining exome sequencing data from 326 MS patients identified 17 rare missense or nonsense variants in NLR family pyrin domain containing 1 (NLRP1), NLRP3, NLRP6, NLRP7 and NLR family CARD domain containing 4 (NLRC4). Genotyping these variants in 2503 MS cases and 1076 healthy controls did not result in statistically significant differences between groups, and segregation analysis within MS families was largely unsupportive of co-segregation of these variants with disease. However, the identification of MS patients harboring rare homozygote variants in NLRP1 (p.Ile601Phe and p.Ser1387Ile), a variant in NLRP3 (p.Leu832Ile) resulting in the substitution of a critical amino acid for the formation of its leucine-rich repeat domain, and several MS patients with NLRC4 variants (p.Arg310Ter and p.Glu600Ter) causing protein truncations suggest that rare protein-altering variants in inflammasome-activating NLR receptors may contribute to MS risk.
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45
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Desu HL, Plastini M, Illiano P, Bramlett HM, Dietrich WD, de Rivero Vaccari JP, Brambilla R, Keane RW. IC100: a novel anti-ASC monoclonal antibody improves functional outcomes in an animal model of multiple sclerosis. J Neuroinflammation 2020; 17:143. [PMID: 32366256 PMCID: PMC7199312 DOI: 10.1186/s12974-020-01826-0] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 04/24/2020] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND The inflammasome adaptor apoptosis-associated speck-like protein containing a CARD (ASC) is involved in immune signaling by bridging the interactions between inflammasome sensors and caspase-1. Strong experimental evidence has shown that ASC-/- mice are protected from disease progression in animal models of multiple sclerosis (MS), suggesting that targeting inflammasome activation via ASC inhibition may be a promising therapeutic strategy in MS. Thus, the goal of our study is to test the efficacy of IC100, a novel humanized antibody targeting ASC, in preventing and/or suppressing disease in the experimental autoimmune encephalomyelitis (EAE) model of MS. METHODS We employed the EAE model of MS where disease was induced by immunization of C57BL/6 mice with myelin oligodendrocyte glycoprotein peptide 35-55 (MOG35-55). Mice were treated with vehicle or increasing doses of IC100 (10, 30, and 45 mg/kg) and clinical disease course was evaluated up to 35 days post EAE induction. Immune cell infiltration into the spinal cord and microglia responses were assessed. RESULTS We show that IC100 treatment reduced the severity of EAE when compared to vehicle-treated controls. At a dose of 30 mg/kg, IC100 significantly reduced the number of CD4+ and CD8+ T cells and CD11b+MHCII+ activated myeloid cells entering the spinal cord from the periphery, and reduced the number of total and activated microglia. CONCLUSIONS These data indicate that IC100 suppresses the immune-inflammatory response that drives EAE development and progression, thereby identifying ASC as a promising target for the treatment of MS as well as other neurological diseases with a neuroinflammatory component.
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Affiliation(s)
- Haritha L Desu
- University of Miami Miller School of Medicine, Miami, FL, 33136, USA
| | - Melanie Plastini
- University of Miami Miller School of Medicine, Miami, FL, 33136, USA
| | - Placido Illiano
- University of Miami Miller School of Medicine, Miami, FL, 33136, USA
| | - Helen M Bramlett
- University of Miami Miller School of Medicine, Miami, FL, 33136, USA
- InflamaCORE, LLC, Miami, FL, 33156, USA
- Bruce W. Carter, Department of Veterans Affairs Medical Center, Miami, FL, 33136, USA
| | - W Dalton Dietrich
- University of Miami Miller School of Medicine, Miami, FL, 33136, USA
- InflamaCORE, LLC, Miami, FL, 33156, USA
| | | | - Roberta Brambilla
- University of Miami Miller School of Medicine, Miami, FL, 33136, USA.
- Deparment of Neurobiology Research, Institute of Molecular Medicine, University of Southern Denmark, Odense, Denmark.
- BRIDGE Brain Research Inter Disciplinary Guided Excellence, Department of Clinical Research, University of Southern Denmark, Odense, Denmark.
| | - Robert W Keane
- University of Miami Miller School of Medicine, Miami, FL, 33136, USA.
- InflamaCORE, LLC, Miami, FL, 33156, USA.
- Department of Physiology and Biophysics, University of Miami Miller School of Medicine, Miami, FL, 33136, USA.
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Musella A, Fresegna D, Rizzo FR, Gentile A, De Vito F, Caioli S, Guadalupi L, Bruno A, Dolcetti E, Buttari F, Bullitta S, Vanni V, Centonze D, Mandolesi G. 'Prototypical' proinflammatory cytokine (IL-1) in multiple sclerosis: role in pathogenesis and therapeutic targeting. Expert Opin Ther Targets 2020; 24:37-46. [PMID: 31899994 DOI: 10.1080/14728222.2020.1709823] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Introduction: It has been recognized for about 20 years that interleukin (IL)-1 signaling is implicated in Multiple Sclerosis (MS), a disabling, chronic, inflammatory and neurodegenerative disease of the central nervous system (CNS). Only recently, multifaceted roles of IL-1 emerged in MS pathophysiology as a result of both clinical and preclinical studies. Notably, drugs that directly target the IL-1 system have not been tested so far in MS.Areas covered: Recent studies in animal models, together with the development of ex vivo chimeric MS models, have disclosed a critical role for IL-1 not only at the peripheral level but also within the CNS. In the present review, we highlight the IL-1-dependent neuropathological aspects of MS, by providing an overview of the cells of the immune and CNS systems that respond to IL-1 signaling, and by emphasizing the subsequent effects on the CNS, from demyelinating processes, to synaptopathy, and excitotoxicity.Expert opinion: Drugs that act on the IL-1 system show a therapeutic potential in several autoinflammatory diseases and preclinical studies have highlighted the effects of these compounds in MS. We will discuss why anti-IL-1 therapies in MS have been neglected to date.
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Affiliation(s)
- Alessandra Musella
- Synaptic Immunopathology Lab, IRCCS San Raffaele Pisana, Rome, Italy.,San Raffaele University, Rome, Italy
| | - Diego Fresegna
- Synaptic Immunopathology Lab, IRCCS San Raffaele Pisana, Rome, Italy
| | - Francesca Romana Rizzo
- Synaptic Immunopathology Lab, Department of Systems Medicine, Tor Vergata University, Rome, Italy
| | - Antonietta Gentile
- Synaptic Immunopathology Lab, IRCCS San Raffaele Pisana, Rome, Italy.,Synaptic Immunopathology Lab, Department of Systems Medicine, Tor Vergata University, Rome, Italy
| | | | - Silvia Caioli
- Synaptic Immunopathology Lab, Department of Systems Medicine, Tor Vergata University, Rome, Italy
| | - Livia Guadalupi
- Synaptic Immunopathology Lab, Department of Systems Medicine, Tor Vergata University, Rome, Italy
| | - Antonio Bruno
- Synaptic Immunopathology Lab, Department of Systems Medicine, Tor Vergata University, Rome, Italy
| | - Ettore Dolcetti
- Synaptic Immunopathology Lab, Department of Systems Medicine, Tor Vergata University, Rome, Italy
| | - Fabio Buttari
- Unit of Neurology, IRCCS Neuromed, Pozzilli, IS, Italy
| | - Silvia Bullitta
- Synaptic Immunopathology Lab, Department of Systems Medicine, Tor Vergata University, Rome, Italy
| | - Valentina Vanni
- Synaptic Immunopathology Lab, IRCCS San Raffaele Pisana, Rome, Italy
| | - Diego Centonze
- Synaptic Immunopathology Lab, Department of Systems Medicine, Tor Vergata University, Rome, Italy.,Unit of Neurology, IRCCS Neuromed, Pozzilli, IS, Italy
| | - Georgia Mandolesi
- Synaptic Immunopathology Lab, IRCCS San Raffaele Pisana, Rome, Italy.,San Raffaele University, Rome, Italy
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47
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Olcum M, Tastan B, Kiser C, Genc S, Genc K. Microglial NLRP3 inflammasome activation in multiple sclerosis. ADVANCES IN PROTEIN CHEMISTRY AND STRUCTURAL BIOLOGY 2019; 119:247-308. [PMID: 31997770 DOI: 10.1016/bs.apcsb.2019.08.007] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Multiple sclerosis (MS) is a chronic, autoimmune and neuroinflammatory disease of the central nervous system (CNS) mediated by autoreactive T cells directed against myelin antigens. Although the crucial role of adaptive immunity is well established in MS, the contribution of innate immunity has only recently been appreciated. Microglia are the main innate immune cells of the CNS. Similar to other myeloid cells, microglia recognize both exogenous and host-derived endogenous danger signals through pattern recognition receptors (PRRs) localized on their cell surface such as Toll Like receptor 4, or in the cytosol such as NLRP3. The second one is the sensor protein of the multi-molecular NLRP3 inflammasome complex in activated microglia that promotes the maturation and secretion of proinflammatory cytokines, interleukin-1β and interleukin-18. Overactivation of microglia and aberrant activation of the NLRP3 inflammasome have been implicated in the pathogenesis of MS. Indeed, experimental data, together with post-mortem and clinical studies have revealed an increased expression of NLRP3 inflammasome complex elements in microglia and other immune cells. In this review, we focus on microglial NLRP3 inflammasome activation in MS. First, we overview the basic knowledge about MS, microglia and the NLRP3 inflammasome. Then, we summarize studies about microglial NLRP3 inflammasome activation in MS and its animal models. We also highlight experimental therapeutic approaches that target different steps of NLRP inflammasome activation. Finally, we discuss future research avenues and new methods in this rapidly evolving area.
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Affiliation(s)
- Melis Olcum
- Izmir Biomedicine and Genome Center, Dokuz Eylul University Health Campus Balcova, Izmir, Turkey
| | - Bora Tastan
- Izmir Biomedicine and Genome Center, Dokuz Eylul University Health Campus Balcova, Izmir, Turkey; Izmir International Biomedicine and Genome Institute (iBG-Izmir), Dokuz Eylul University Health Campus, Balcova, Izmir, Turkey
| | - Cagla Kiser
- Izmir Biomedicine and Genome Center, Dokuz Eylul University Health Campus Balcova, Izmir, Turkey; Izmir International Biomedicine and Genome Institute (iBG-Izmir), Dokuz Eylul University Health Campus, Balcova, Izmir, Turkey
| | - Sermin Genc
- Izmir Biomedicine and Genome Center, Dokuz Eylul University Health Campus Balcova, Izmir, Turkey; Izmir International Biomedicine and Genome Institute (iBG-Izmir), Dokuz Eylul University Health Campus, Balcova, Izmir, Turkey; Department of Neuroscience, Institute of Health and Science, Dokuz Eylul University Health Campus, Balcova, Izmir, Turkey
| | - Kursad Genc
- Department of Neuroscience, Institute of Health and Science, Dokuz Eylul University Health Campus, Balcova, Izmir, Turkey
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48
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Deerhake ME, Biswas DD, Barclay WE, Shinohara ML. Pattern Recognition Receptors in Multiple Sclerosis and Its Animal Models. Front Immunol 2019; 10:2644. [PMID: 31781124 PMCID: PMC6861384 DOI: 10.3389/fimmu.2019.02644] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2019] [Accepted: 10/25/2019] [Indexed: 12/15/2022] Open
Abstract
Pattern recognition receptors (PRRs) coordinate the innate immune response and have a significant role in the development of multiple sclerosis (MS). Accumulating evidence has identified both pathogenic and protective functions of PRR signaling in MS and its animal model, experimental autoimmune encephalomyelitis (EAE). Additionally, evidence for PRR signaling in non-immune cells and PRR responses to host-derived endogenous ligands has also revealed new pathways controlling the development of CNS autoimmunity. Many PRRs remain uncharacterized in MS and EAE, and understanding the distinct triggers and functions of PRR signaling in CNS autoimmunity requires further investigation. In this brief review, we discuss the diverse pathogenic and protective functions of PRRs in MS and EAE, and highlight major avenues for future research.
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Affiliation(s)
- M Elizabeth Deerhake
- Department of Immunology, Duke University School of Medicine, Durham, NC, United States
| | - Debolina D Biswas
- Department of Immunology, Duke University School of Medicine, Durham, NC, United States
| | - William E Barclay
- Department of Immunology, Duke University School of Medicine, Durham, NC, United States
| | - Mari L Shinohara
- Department of Immunology, Duke University School of Medicine, Durham, NC, United States.,Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC, United States
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49
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MCC950 blocks enhanced interleukin-1β production in patients with NLRP3 low penetrance variants. Clin Immunol 2019; 203:45-52. [DOI: 10.1016/j.clim.2019.04.004] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Revised: 04/05/2019] [Accepted: 04/05/2019] [Indexed: 11/18/2022]
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