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Castro PATS, Barbosa GM, Machanocker DH, Peres RS, Cunha TM, Cunha JE, Oliveira FFB, Ramalho FS, Russo TL, Cunha FQ, Salvini TF. Clinical-like cryotherapy in acute knee arthritis of the knee improves inflammation signs, pain, joint swelling, and motor performance in mice. PLoS One 2022; 17:e0261667. [PMID: 35061737 PMCID: PMC8782531 DOI: 10.1371/journal.pone.0261667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Accepted: 12/07/2021] [Indexed: 11/25/2022] Open
Abstract
To assess the effects of clinical-like cryotherapy on inflammatory signs (in vivo neutrophil migration, cytokines, and joint inflammation), pain, joint swelling, balance, and motor coordination in mice with knee arthritis. Young C57BL/6 mice were randomly divided into three groups (8 to 10 mice per group): Control group: mice with no intervention; antigen-induced arthritis (AIA) group: mice sensitized and immunized with intra-articular (i.a.) injection of methylated bovine serum albumin (mBSA); and AIA + cryotherapy group: mice sensitized, immunized with i.a. injection of mBSA, and submitted to a clinical-like cryotherapy protocol. After 21 days of sensitization, AIA and AIA + cryotherapy groups received i.a. injection of mBSA (100 μg/joint) to induce joint inflammation, and a clinical-like cryotherapy protocol was applied to AIA + cryotherapy group (crushed ice bag, two cryotherapy sessions of 20 min every two hours). Experimental analysis was conducted in the initial (immediately after i.a. injection of mBSA) and final periods (two hours after the second cryotherapy session). The number of synovial fluid neutrophils, cytokine levels, joint histology, pain, joint swelling, and motor performance were also analyzed. Our results showed that clinical-like cryotherapy in mice with acute knee arthritis reduced inflammatory signs, pain, and joint swelling, and improved balance and motor coordination.
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Affiliation(s)
- Paula A. T. S. Castro
- Department of Physical Therapy, Center of Biological Sciences and Health (CBSH), Federal University of São Carlos (UFSCAR), São Carlos, Brazil
- * E-mail:
| | - Germanna M. Barbosa
- Department of Physical Therapy, Center of Biological Sciences and Health (CBSH), Federal University of São Carlos (UFSCAR), São Carlos, Brazil
| | - Dafiner H. Machanocker
- Department of Pharmacology, Center for Research in Inflammatory Diseases (CRID), Ribeirão Preto Medical School, University of São Paulo (USP), Ribeirão Preto, Brazil
| | - Raphael S. Peres
- Department of Pharmacology, Center for Research in Inflammatory Diseases (CRID), Ribeirão Preto Medical School, University of São Paulo (USP), Ribeirão Preto, Brazil
| | - Thiago M. Cunha
- Department of Pharmacology, Center for Research in Inflammatory Diseases (CRID), Ribeirão Preto Medical School, University of São Paulo (USP), Ribeirão Preto, Brazil
| | - Jonathan E. Cunha
- Department of Physical Therapy, Center of Biological Sciences and Health (CBSH), Federal University of São Carlos (UFSCAR), São Carlos, Brazil
| | - Francisco F. B. Oliveira
- Department of Physical Therapy, Center of Biological Sciences and Health (CBSH), Federal University of São Carlos (UFSCAR), São Carlos, Brazil
| | - Fernando Silva Ramalho
- Department of Pharmacology, Center for Research in Inflammatory Diseases (CRID), Ribeirão Preto Medical School, University of São Paulo (USP), Ribeirão Preto, Brazil
| | - Thiago L. Russo
- Department of Physical Therapy, Center of Biological Sciences and Health (CBSH), Federal University of São Carlos (UFSCAR), São Carlos, Brazil
| | - Fernando Q. Cunha
- Department of Pharmacology, Center for Research in Inflammatory Diseases (CRID), Ribeirão Preto Medical School, University of São Paulo (USP), Ribeirão Preto, Brazil
| | - Tania F. Salvini
- Department of Physical Therapy, Center of Biological Sciences and Health (CBSH), Federal University of São Carlos (UFSCAR), São Carlos, Brazil
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Saraiva AL, Veras FP, Peres RS, Talbot J, de Lima KA, Luiz JP, Carballido JM, Cunha TM, Cunha FQ, Ryffel B, Alves-Filho JC. Succinate receptor deficiency attenuates arthritis by reducing dendritic cell traffic and expansion of T h17 cells in the lymph nodes. FASEB J 2018; 32:fj201800285. [PMID: 29894669 DOI: 10.1096/fj.201800285] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Rheumatoid arthritis is a chronic inflammatory disease that leads to significant changes in metabolic activity. Succinate, an intermediate of the tricarboxylic acid cycle, has emerged as a metabolic mediator of the innate immune response. However, the involvement of succinate in the generation of the adaptive immune response and establishment of autoimmune response has not been addressed thus far. Here we demonstrated that the succinate-sensing receptor (Sucnr1/GPR91) plays a critical role in the development of immune-mediated arthritis. We found that Sucnr1 acts as a chemotactic gradient sensor that guides dendritic cells (DCs) into the lymph nodes, orchestrating the expansion of the T helper (Th)17-cell population and the development of experimental antigen-induced arthritis. Sucnr1-/- mice show reduced articular hyperalgesia, neutrophil infiltration and inflammatory cytokines in the joint, and reduced frequency of Th17 cells in draining lymph nodes. Adoptive transfer of wild-type (WT) DCs into Sucnr1-/- mice restored the development of arthritis. Moreover, DC-depleted mice transferred with Sucnr1-/- DCs developed less arthritis than mice transferred with WT DCs. In contrast, succinate given together with the immunization boosted the recruitment of DCs and the frequency of Th17 cells in draining lymph nodes, increasing arthritis severity. Therefore, the blockade of Sucnr1 may represent a novel therapeutic target of arthritis.-Saraiva, A. L., Veras, F. P., Peres, R. S., Talbot, J., de Lima, K. A., Luiz, J. P., Carballido, J. M., Cunha, T. M., Cunha, F. Q., Ryffel, B., Alves-Filho, J. C. Succinate receptor deficiency attenuates arthritis by reducing dendritic cell traffic and expansion of Th17 cells in the lymph nodes.
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Affiliation(s)
- André L Saraiva
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Sao Paulo, Brazil
| | - Flávio P Veras
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Sao Paulo, Brazil
| | - Raphael S Peres
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Sao Paulo, Brazil
| | - Jhimmy Talbot
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Sao Paulo, Brazil
| | - Kalil A de Lima
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Sao Paulo, Brazil
| | - João P Luiz
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Sao Paulo, Brazil
| | | | - Thiago M Cunha
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Sao Paulo, Brazil
- Center for Research in Inflammatory Diseases, Ribeirao Preto Medical School, University of Sao Paulo, Sao Paulo, Brazil
| | - Fernando Q Cunha
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Sao Paulo, Brazil
- Center for Research in Inflammatory Diseases, Ribeirao Preto Medical School, University of Sao Paulo, Sao Paulo, Brazil
| | - Bernhard Ryffel
- Molecular and Experimental Immunology and Neurogenetics, Unité Mixte de Recherche 7355 Centre National de la Recherche Scientifique, University of Orleans, Orleans, France
| | - Jose C Alves-Filho
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Sao Paulo, Brazil
- Center for Research in Inflammatory Diseases, Ribeirao Preto Medical School, University of Sao Paulo, Sao Paulo, Brazil
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Talbot J, Peres RS, Pinto LG, Oliveira RDR, Lima KA, Donate PB, Silva JR, Ryffel B, Cunha TM, Alves-Filho JC, Liew FY, Louzada-Junior P, de Queiroz Cunha F. Smoking-induced aggravation of experimental arthritis is dependent of aryl hydrocarbon receptor activation in Th17 cells. Arthritis Res Ther 2018; 20:119. [PMID: 29884199 PMCID: PMC5994132 DOI: 10.1186/s13075-018-1609-9] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Accepted: 04/26/2018] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Epidemiologic studies have highlighted the association of environmental factors with the development and progression of autoimmune and chronic inflammatory diseases. Among the environmental factors, smoking has been associated with increased susceptibility and poor prognosis in rheumatoid arthritis (RA). However, the immune and molecular mechanism of smoking-induced arthritis aggravation remains unclear. The transcription factor aryl hydrocarbon receptor (AHR) regulates the generation of Th17 cells, CD4 T cells linked the development of autoimmune diseases. AHR is activated by organic compounds including polycyclic aromatic hydrocarbons (PAHs), which are environmental pollutants that are also present in cigarette smoke. In this study, we investigated the role of AHR activation in the aggravation of experiment arthritis induced by exposure to cigarette smoke. METHODS Mice were exposed to cigarette smoke during the developmental phase of antigen-induced arthritis and collagen-induced arthritis to evaluate the effects of smoking on disease development. Aggravation of articular inflammation was assessed by measuring neutrophil migration to the joints, increase in articular hyperalgesia and changes in the frequencies of Th17 cells. In vitro studies were performed to evaluate the direct effects of cigarette smoke and PAH on Th17 differentiation. We also used mice genetically deficient for AHR (Ahr KO) and IL-17Ra (Il17ra KO) to determine the in vivo mechanism of smoking-induced arthritis aggravation. RESULTS We found that smoking induces arthritis aggravation and increase in the frequencies of Th17 cells. The absence of IL-17 signaling (Il17ra KO) conferred protection to smoking-induced arthritis aggravation. Moreover, in vitro experiments showed that cigarette smoke can directly increase Th17 differentiation of T cells by inducing AHR activation. Indeed, Ahr KO mice were protected from cigarette smoke-induced arthritis aggravation and did not display increase in TH17 frequencies, suggesting that AHR activation is an important mechanism for cigarette smoke effects on arthritis. Finally, we demonstrate that PAHs are also able to induce arthritis aggravation. CONCLUSIONS Our data demonstrate that the disease-exacerbating effects of cigarette smoking are AHR dependent and environmental pollutants with AHR agonist activity can induce arthritis aggravation by directly enhancing Th17 cell development.
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MESH Headings
- Animals
- Arthritis, Experimental/etiology
- Arthritis, Experimental/genetics
- Arthritis, Experimental/metabolism
- Azo Compounds/pharmacology
- Male
- Mice, Inbred C57BL
- Mice, Inbred DBA
- Mice, Knockout
- Pyrazoles/pharmacology
- Receptors, Aryl Hydrocarbon/antagonists & inhibitors
- Receptors, Aryl Hydrocarbon/genetics
- Receptors, Aryl Hydrocarbon/metabolism
- Receptors, Interleukin-17/genetics
- Receptors, Interleukin-17/metabolism
- Smoke/adverse effects
- Th17 Cells/metabolism
- Nicotiana/chemistry
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Affiliation(s)
- Jhimmy Talbot
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Av. Bandeirantes, 3900, Ribeirao Preto, SP, 14049900, Brazil
| | - Raphael S Peres
- Department of Immunology, Ribeirao Preto Medical School, University of São Paulo, Ribeirao Preto, Brazil
| | - Larissa G Pinto
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Av. Bandeirantes, 3900, Ribeirao Preto, SP, 14049900, Brazil
| | - Rene D R Oliveira
- Division of Clinical Immunology, Ribeirao Preto Medical School, University of São Paulo, Ribeirao Preto, Brazil
| | - Kalil A Lima
- Department of Immunology, Ribeirao Preto Medical School, University of São Paulo, Ribeirao Preto, Brazil
| | - Paula B Donate
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Av. Bandeirantes, 3900, Ribeirao Preto, SP, 14049900, Brazil
| | - Jaqueline R Silva
- Department of Immunology, Ribeirao Preto Medical School, University of São Paulo, Ribeirao Preto, Brazil
| | - Bernard Ryffel
- Université Orleans and Centre National de la Recherche Scientifique, Molecular Immunology, UMR7355, INEM, Orleans, France
- Institute of Infectious Disease and Molecular Medicine, UCT, Cape Town, South Africa
| | - Thiago M Cunha
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Av. Bandeirantes, 3900, Ribeirao Preto, SP, 14049900, Brazil
| | - José C Alves-Filho
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Av. Bandeirantes, 3900, Ribeirao Preto, SP, 14049900, Brazil
| | - Foo Y Liew
- Division of Immunology, Infection and Inflammation, Glasgow Biomedical Research Centre, University of Glasgow, Glasgow, G12 8TA, UK.
- School of Biology and Basic Medical Sciences, Soochow University, Suzhou, 215006, China.
| | - Paulo Louzada-Junior
- Division of Clinical Immunology, Ribeirao Preto Medical School, University of São Paulo, Ribeirao Preto, Brazil.
| | - Fernando de Queiroz Cunha
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Av. Bandeirantes, 3900, Ribeirao Preto, SP, 14049900, Brazil.
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Peres RS, Donate PB, Talbot J, Cecilio NT, Lobo PR, Machado CC, Lima KWA, Oliveira RD, Carregaro V, Nakaya HI, Cunha TM, Alves-Filho JC, Liew FY, Louzada-Junior P, Cunha FQ. TGF-β signalling defect is linked to low CD39 expression on regulatory T cells and methotrexate resistance in rheumatoid arthritis. J Autoimmun 2018; 90:49-58. [PMID: 29426578 DOI: 10.1016/j.jaut.2018.01.004] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Revised: 01/17/2018] [Accepted: 01/19/2018] [Indexed: 11/30/2022]
Abstract
Rheumatoid arthritis (RA) is an autoimmune arthropathy characterized by chronic articular inflammation. Methotrexate (MTX) remains the first-line therapy for RA and its anti-inflammatory effect is associated with the maintenance of high levels of extracellular adenosine (ADO). Nonetheless, up to 40% of RA patients are resistant to MTX treatment and this is linked to a reduction of CD39 expression, an ectoenzyme involved in the generation of extracellular ADO by ATP metabolism, on circulating regulatory T cells (Tregs). However, the mechanism mediating the reduction of CD39 expression on Tregs is unknown. Here we demonstrated that the impairment in TGF-β signalling lead to the reduction of CD39 expression on Tregs that accounts for MTX resistance. TGF-β increases CD39 expression on Tregs via the activation of TGFBRII/TGFBRI, SMAD2 and the transcription factor CREB, which is activated in a p38-dependent manner and induces CD39 expression by promoting ENTPD1 gene transcription. Importantly, unresponsive patients to MTX (UR-MTX) show reduced expression of TGFBR2 and CREB1 and decreased levels of p-SMAD2 and p-CREB in Tregs compared to MTX-responsive patients (R-MTX). Furthermore, RA patients carrying at least one mutant allele for rs1431131 (AT or AA) of the TGFBR2 gene are significantly (p = 0.0006) associated with UR-MTX. Therefore, we have uncovered a molecular mechanism for the reduced CD39 expression on Tregs, and revealed potential targets for therapeutic intervention for MTX resistance.
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Affiliation(s)
- Raphael S Peres
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil; The Kennedy Institute of Rheumatology, University of Oxford, Oxford, United Kingdom
| | - Paula B Donate
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Jhimmy Talbot
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Nerry T Cecilio
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Patricia R Lobo
- Department of Internal Medicine, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Caio C Machado
- Department of Internal Medicine, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Kalil W A Lima
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Rene D Oliveira
- Department of Internal Medicine, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Vanessa Carregaro
- Department of Biochemistry and Immunology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Helder I Nakaya
- Department of Clinical and Toxicological Analysis, Faculty of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
| | - Thiago M Cunha
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - José Carlos Alves-Filho
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Foo Y Liew
- Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, United Kingdom; School of Biological and Basic Medical Sciences, Soochow University, Suzhou, 215006, China.
| | - Paulo Louzada-Junior
- Department of Internal Medicine, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil.
| | - Fernando Q Cunha
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil.
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Peres RS, Santos GB, Cecilio NT, Jabor VAP, Niehues M, Torres BGS, Buqui G, Silva CHTP, Costa TD, Lopes NP, Nonato MC, Ramalho FS, Louzada-Júnior P, Cunha TM, Cunha FQ, Emery FS, Alves-Filho JC. Lapachol, a compound targeting pyrimidine metabolism, ameliorates experimental autoimmune arthritis. Arthritis Res Ther 2017; 19:47. [PMID: 28270195 PMCID: PMC5341405 DOI: 10.1186/s13075-017-1236-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Accepted: 01/13/2017] [Indexed: 12/29/2022] Open
Abstract
Background The inhibition of pyrimidine biosynthesis by blocking the dihydroorotate dehydrogenase (DHODH) activity, the prime target of leflunomide (LEF), has been proven to be an effective strategy for rheumatoid arthritis (RA) treatment. However, a considerable proportion of RA patients are refractory to LEF. Here, we investigated lapachol (LAP), a natural naphthoquinone, as a potential DHODH inhibitor and addressed its immunosuppressive properties. Methods Molecular flexible docking studies and bioactivity assays were performed to determine the ability of LAP to interact and inhibit DHODH. In vitro studies were conducted to assess the antiproliferative effect of LAP using isolated lymphocytes. Finally, collagen-induced arthritis (CIA) and antigen-induced arthritis (AIA) models were employed to address the anti-arthritic effects of LAP. Results We found that LAP is a potent DHODH inhibitor which had a remarkable ability to inhibit both human and murine lymphocyte proliferation in vitro. Importantly, uridine supplementation abrogated the antiproliferative effect of LAP, supporting that the pyrimidine metabolic pathway is the target of LAP. In vivo, LAP treatment markedly reduced CIA and AIA progression as evidenced by the reduction in clinical score, articular tissue damage, and inflammation. Conclusions Our findings propose a binding model of interaction and support the ability of LAP to inhibit DHODH, decreasing lymphocyte proliferation and attenuating the severity of experimental autoimmune arthritis. Therefore, LAP could be considered as a potential immunosuppressive lead candidate with potential therapeutic implications for RA. Electronic supplementary material The online version of this article (doi:10.1186/s13075-017-1236-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Raphael S Peres
- Department of Pharmacology, Ribeirão Preto Medical School, Center of Research in Inflammatory Diseases (CRID), University of São Paulo, Avenida Bandeirantes, 3900, Ribeirão Preto, São Paulo, CEP: 14049-900, Brazil
| | - Gabriela B Santos
- Department of Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida do Café s/n, Ribeirão Preto, CEP: 14040-903, Brazil
| | - Nerry T Cecilio
- Department of Pharmacology, Ribeirão Preto Medical School, Center of Research in Inflammatory Diseases (CRID), University of São Paulo, Avenida Bandeirantes, 3900, Ribeirão Preto, São Paulo, CEP: 14049-900, Brazil
| | - Valquíria A P Jabor
- NPPNS, Department of Physics and Chemistry, Faculty of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida do Café s/n, Ribeirão Preto, Brazil
| | - Michael Niehues
- NPPNS, Department of Physics and Chemistry, Faculty of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida do Café s/n, Ribeirão Preto, Brazil
| | - Bruna G S Torres
- Pharmaceutical Sciences Graduate Program, Faculty of Pharmacy, Federal University of Rio Grande do Sul, Sarmento Leite 521, Porto Alegre, Brazil
| | - Gabriela Buqui
- NPPNS, Department of Physics and Chemistry, Faculty of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida do Café s/n, Ribeirão Preto, Brazil
| | - Carlos H T P Silva
- Department of Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida do Café s/n, Ribeirão Preto, CEP: 14040-903, Brazil
| | - Teresa Dalla Costa
- Pharmaceutical Sciences Graduate Program, Faculty of Pharmacy, Federal University of Rio Grande do Sul, Sarmento Leite 521, Porto Alegre, Brazil
| | - Norberto P Lopes
- NPPNS, Department of Physics and Chemistry, Faculty of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida do Café s/n, Ribeirão Preto, Brazil
| | - Maria C Nonato
- NPPNS, Department of Physics and Chemistry, Faculty of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida do Café s/n, Ribeirão Preto, Brazil
| | - Fernando S Ramalho
- Department of Pathology, Ribeirão Preto Medical School, University of São Paulo, Avenida Bandeirantes 3900, Ribeirão Preto, Brazil
| | - Paulo Louzada-Júnior
- Department of Internal Medicine, Ribeirão Preto Medical School, Center of Research in Inflammatory Diseases (CRID), University of São Paulo, Avenida Bandeirantes 3900, Ribeirão Preto, Brazil
| | - Thiago M Cunha
- Department of Pharmacology, Ribeirão Preto Medical School, Center of Research in Inflammatory Diseases (CRID), University of São Paulo, Avenida Bandeirantes, 3900, Ribeirão Preto, São Paulo, CEP: 14049-900, Brazil
| | - Fernando Q Cunha
- Department of Pharmacology, Ribeirão Preto Medical School, Center of Research in Inflammatory Diseases (CRID), University of São Paulo, Avenida Bandeirantes, 3900, Ribeirão Preto, São Paulo, CEP: 14049-900, Brazil
| | - Flavio S Emery
- Department of Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida do Café s/n, Ribeirão Preto, CEP: 14040-903, Brazil.
| | - Jose C Alves-Filho
- Department of Pharmacology, Ribeirão Preto Medical School, Center of Research in Inflammatory Diseases (CRID), University of São Paulo, Avenida Bandeirantes, 3900, Ribeirão Preto, São Paulo, CEP: 14049-900, Brazil.
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Chiuso-Minicucci F, Zorzella-Pezavento SFG, Marra NM, Peres RS, França TDG, Ishikawa LLW, da Rosa LC, Mimura LAN, Turato WM, do Amarante AFT, Sartori A. Acute Strongyloides venezuelensis infection did not prevent EAE development: implications for hygiene hypothesis. Trop Biomed 2016; 33:526-534. [PMID: 33579126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Prevalence of allergic and autoimmune pathologies is clearly increasing in developed countries. This has been attributed to a decreased exposure to certain microorganisms and been referred as hygiene hypothesis. In this study we evaluated if a previous infection with Strongyloides venezuelensis would alter the progression of experimental autoimmune encephalomyelitis (EAE) in Lewis rats. Animals were initially infected with 4000 L3 infective larvae of S. venezuelensis by subcutaneous route. Encephalomyelitis was then induced during the acute phase of the infection by immunization with myelin basic protein emulsified with Complete Freund's Adjuvant plus Mycobacterium butyricum. Previous infection downmodulated cytokine production but did not change clinical and histopathological EAE manifestations. Cytometric analysis with antibodies specific for CD4+CD25+Foxp3+ regulatory T cells indicated that infection also did not alter the frequency of these cells in spleen and regional lymph nodes. This finding could partly explain the failure of this worm to avoid EAE progression. Altogether these results demonstrated that infection with S. venezuelensis was not able to modify EAE progression in Lewis rats. In the context of the hygiene hypothesis, these results reinforce the necessity of a comparative study among different helminth species to identify the ones with immunoregulatory competence.
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Affiliation(s)
- F Chiuso-Minicucci
- Department of Microbiology and Immunology, Institute of Biosciences of Botucatu, Univ. Estadual Paulista (UNESP), Distrito de Rubião Junior, Botucatu, São Paulo, 18618-000, Brazil
| | - S F G Zorzella-Pezavento
- Department of Microbiology and Immunology, Institute of Biosciences of Botucatu, Univ. Estadual Paulista (UNESP), Distrito de Rubião Junior, Botucatu, São Paulo, 18618-000, Brazil
| | - N M Marra
- Department of Parasitology, Institute of Biosciences of Botucatu, Univ. Estadual Paulista (UNESP), Distrito de Rubião Junior, Botucatu, São Paulo, 18618-000, Brazil
| | - R S Peres
- Department of Microbiology and Immunology, Institute of Biosciences of Botucatu, Univ. Estadual Paulista (UNESP), Distrito de Rubião Junior, Botucatu, São Paulo, 18618-000, Brazil
| | - T D G França
- Department of Microbiology and Immunology, Institute of Biosciences of Botucatu, Univ. Estadual Paulista (UNESP), Distrito de Rubião Junior, Botucatu, São Paulo, 18618-000, Brazil
| | - L L W Ishikawa
- Department of Microbiology and Immunology, Institute of Biosciences of Botucatu, Univ. Estadual Paulista (UNESP), Distrito de Rubião Junior, Botucatu, São Paulo, 18618-000, Brazil
| | - L C da Rosa
- Department of Microbiology and Immunology, Institute of Biosciences of Botucatu, Univ. Estadual Paulista (UNESP), Distrito de Rubião Junior, Botucatu, São Paulo, 18618-000, Brazil
| | - L A N Mimura
- Department of Microbiology and Immunology, Institute of Biosciences of Botucatu, Univ. Estadual Paulista (UNESP), Distrito de Rubião Junior, Botucatu, São Paulo, 18618-000, Brazil
| | - W M Turato
- Department of Biochemistry and Immunology, USP - University of São Paulo, Avenida Prof. Pedreira de Freitas, Ribeirão Preto, São Paulo, 14031-410, Brazil
| | - A F T do Amarante
- Department of Parasitology, Institute of Biosciences of Botucatu, Univ. Estadual Paulista (UNESP), Distrito de Rubião Junior, Botucatu, São Paulo, 18618-000, Brazil
| | - A Sartori
- Department of Microbiology and Immunology, Institute of Biosciences of Botucatu, Univ. Estadual Paulista (UNESP), Distrito de Rubião Junior, Botucatu, São Paulo, 18618-000, Brazil
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Franca RFO, Costa RS, Silva JR, Peres RS, Mendonça LR, Colón DF, Alves-Filho JC, Cunha FQ. IL-33 signaling is essential to attenuate viral-induced encephalitis development by downregulating iNOS expression in the central nervous system. J Neuroinflammation 2016; 13:159. [PMID: 27334012 PMCID: PMC4917985 DOI: 10.1186/s12974-016-0628-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2016] [Accepted: 06/15/2016] [Indexed: 01/22/2023] Open
Abstract
Background Viral encephalitis is a common cause of lethal infections in humans, and several different viruses are documented to be responsible. Rocio virus is a flavivirus that causes a severe lethal encephalitis syndrome in humans and also mice, providing an interesting model to study the CNS compartmentalized immune response. Interleukin 33 (IL-33), a member of the IL-1 family, is an immunomodulatory cytokine that is highly expressed in the CNS. However, the role of IL-33 on viral encephalitis remains unclear. Therefore, we aimed to explore how the IL-33/ST2 axis regulates the local immune response during Rocio virus infection. Methods Wild-type (WT), ST2 (ST2−/−), and nitric oxide synthase-deficient mice (iNOS−/−) and Stat6 (Stat6−/−)-deficient mice were infected with different concentrations of the Rocio virus by intraperitoneal route, the cytokine mRNA level in CNS was analyzed by qPCR, and cellular immunophenotyping was performed on infected mice by the flow cytometry of isolated CNS mononuclear cells. Results We have shown that the mRNA expression of IL-33 and ST2 receptors is increased in the CNS of Rocio virus-infected WT mice and that ST2−/− mice showed increased susceptibility to infection. ST2 deficiency was correlated with increased tissue pathology, cellular infiltration, and tumor necrosis factor alpha (TNF-α) and interferon-gamma (IFN-γ) mRNA levels and higher viral load in the CNS, compared with wild-type mice. The increased Th1 cytokine levels released in the CNS acted on infiltrating macrophages, as evidenced by flow cytometry characterization of cellular infiltrates, inducing the expression of iNOS, contributing to brain injury. Moreover, iNOS−/− mice were more resistant to Rocio virus encephalitis, presenting a lower clinical score and reduced mortality rate, despite the increased tissue pathology. Conclusions We provide evidences of a specific role for IL-33 receptor signaling in nitric oxide induction through local IFN-γ modulation, suggesting that nitric oxide overproduction might have an important role in the progression of experimental viral encephalitis. Electronic supplementary material The online version of this article (doi:10.1186/s12974-016-0628-1) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Rafael F O Franca
- Department of Virology and Experimental Therapy LAVITE, Oswaldo Cruz Foundation - FIOCRUZ, Institute Aggeu Magalhães IAM, Av. Professor Moraes Rego, s/n, Recife, PE, 50740-465, Brazil.
| | - Renata S Costa
- Program of Basic and Applied Immunology, University of São Paulo, Ribeirao Preto, SP, 14049-900, Brazil
| | - Jaqueline R Silva
- Program of Basic and Applied Immunology, University of São Paulo, Ribeirao Preto, SP, 14049-900, Brazil
| | - Raphael S Peres
- Program of Basic and Applied Immunology, University of São Paulo, Ribeirao Preto, SP, 14049-900, Brazil
| | - Leila R Mendonça
- Department of Virology and Experimental Therapy LAVITE, Oswaldo Cruz Foundation - FIOCRUZ, Institute Aggeu Magalhães IAM, Av. Professor Moraes Rego, s/n, Recife, PE, 50740-465, Brazil
| | - David F Colón
- Program of Basic and Applied Immunology, University of São Paulo, Ribeirao Preto, SP, 14049-900, Brazil
| | - José Carlos Alves-Filho
- Department of Pharmacology, Ribeirão Preto School of Medicine, University of São Paulo, Ribeirão Preto, SP, 14049-900, Brazil
| | - Fernando Q Cunha
- Department of Pharmacology, Ribeirão Preto School of Medicine, University of São Paulo, Ribeirão Preto, SP, 14049-900, Brazil.
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Kanashiro A, Talbot J, Peres RS, Pinto LG, Bassi GS, Cunha TM, Cunha FQ. Neutrophil Recruitment and Articular Hyperalgesia in Antigen-Induced Arthritis are Modulated by the Cholinergic Anti-Inflammatory Pathway. Basic Clin Pharmacol Toxicol 2016; 119:453-457. [DOI: 10.1111/bcpt.12611] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2016] [Accepted: 04/11/2016] [Indexed: 12/26/2022]
Affiliation(s)
- Alexandre Kanashiro
- Department of Pharmacology; Ribeirão Preto Medical School; University of São Paulo; Ribeirão Preto SP Brazil
| | - Jhimmy Talbot
- Department of Pharmacology; Ribeirão Preto Medical School; University of São Paulo; Ribeirão Preto SP Brazil
| | - Raphael S. Peres
- Department of Immunology; Ribeirão Preto Medical School; University of São Paulo; Ribeirão Preto SP Brazil
| | - Larissa G. Pinto
- Department of Pharmacology; Ribeirão Preto Medical School; University of São Paulo; Ribeirão Preto SP Brazil
| | - Gabriel S. Bassi
- Department of Immunology; Ribeirão Preto Medical School; University of São Paulo; Ribeirão Preto SP Brazil
| | - Thiago M. Cunha
- Department of Pharmacology; Ribeirão Preto Medical School; University of São Paulo; Ribeirão Preto SP Brazil
| | - Fernando Q. Cunha
- Department of Pharmacology; Ribeirão Preto Medical School; University of São Paulo; Ribeirão Preto SP Brazil
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Veras FP, Peres RS, Saraiva ALL, Pinto LG, Louzada-Junior P, Cunha TM, Paschoal JAR, Cunha FQ, Alves-Filho JC. Fructose 1,6-bisphosphate, a high-energy intermediate of glycolysis, attenuates experimental arthritis by activating anti-inflammatory adenosinergic pathway. Sci Rep 2015; 5:15171. [PMID: 26478088 PMCID: PMC4609967 DOI: 10.1038/srep15171] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2015] [Accepted: 09/09/2015] [Indexed: 12/29/2022] Open
Abstract
Fructose 1,6-bisphosphate (FBP) is an endogenous intermediate of the glycolytic pathway. Exogenous administration of FBP has been shown to exert protective effects in a variety of ischemic injury models, which are attributed to its ability to sustain glycolysis and increase ATP production. Here, we demonstrated that a single treatment with FBP markedly attenuated arthritis, assessed by reduction of articular hyperalgesia, joint swelling, neutrophil infiltration and production of inflammatory cytokines, TNF and IL-6, while enhancing IL-10 production in two mouse models of arthritis. Our mechanistic studies showed that FBP reduces joint inflammation through the systemic generation of extracellular adenosine and subsequent activation of adenosine receptor A2a (A2aR). Moreover, we showed that FBP-induced adenosine generation requires hydrolysis of extracellular ATP through the activity of the ectonucleosides triphosphate diphosphohydrolase-1 (ENTPD1, also known as CD39) and ecto-5'-nucleotidase (E5NT, also known as CD73). In accordance, inhibition of CD39 and CD73 abolished anti-arthritic effects of FBP. Taken together, our findings provide a new insight into the molecular mechanism underlying the anti-inflammatory effect of FBP, showing that it effectively attenuates experimental arthritis by activating the anti-inflammatory adenosinergic pathway. Therefore, FBP may represent a new therapeutic strategy for treatment of rheumatoid arthritis (RA).
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Affiliation(s)
- Flávio P Veras
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Raphael S Peres
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - André L L Saraiva
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Larissa G Pinto
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Paulo Louzada-Junior
- Department of Internal Medicine, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil.,Center of Research in Inflammatory Diseases (CRID), Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Thiago M Cunha
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil.,Center of Research in Inflammatory Diseases (CRID), Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Jonas A R Paschoal
- Department of Physics and Chemistry, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Fernando Q Cunha
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil.,Center of Research in Inflammatory Diseases (CRID), Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - José C Alves-Filho
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil.,Center of Research in Inflammatory Diseases (CRID), Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
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10
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Talbot J, Bianchini FJ, Nascimento DC, Oliveira RDR, Souto FO, Pinto LG, Peres RS, Silva JR, Almeida SCL, Louzada-Junior P, Cunha TM, Cunha FQ, Alves-Filho JC. CCR2 Expression in Neutrophils Plays a Critical Role in Their Migration Into the Joints in Rheumatoid Arthritis. Arthritis Rheumatol 2015; 67:1751-9. [PMID: 25779331 DOI: 10.1002/art.39117] [Citation(s) in RCA: 68] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2014] [Accepted: 03/12/2015] [Indexed: 01/07/2023]
Abstract
OBJECTIVE Infiltration of neutrophils into the joints plays an important role in bone erosion and articular destruction in rheumatoid arthritis (RA). Neutrophil trafficking during inflammation is a process that involves activation of chemotactic receptors. Recent findings suggest that changes in chemotactic receptor patterns could occur in neutrophils under certain inflammatory conditions. The aim of this study was to evaluate the gain of responsiveness of neutrophils to CCL2 in RA patients and to assess the role of CCL2 in driving neutrophil infiltration into the joints. METHODS Neutrophils were purified from the peripheral blood of patients with RA or from mice with antigen-induced arthritis (AIA). Expression of CCR2 was evaluated using polymerase chain reaction, flow cytometry, and immunofluorescence analyses. In vitro chemotaxis to CCL2 was assayed to evaluate the functional significance of de novo CCR2 expression. The murine AIA model was used to evaluate the in vivo role of CCR2 in neutrophil infiltration into the joints. RESULTS High CCR2 expression and responsiveness to CCL2 were observed in neutrophils from the blood of patients with early RA and in neutrophils from the blood and bone marrow of mice with AIA. Genetic deficiency or pharmacologic inhibition of CCR2 protected against the infiltration of neutrophils into the joints. This protection was not associated with an impairment of the neutrophil chemotactic ability or CXC chemokine production in the joints. Moreover, adoptive transfer of wild-type mouse neutrophils to CCR2-deficient mice restored neutrophil infiltration and the articular mechanical hyperalgesia associated with joint inflammation. CONCLUSION These findings suggest that CCR2 is directly involved in the detrimental infiltration of neutrophils into the joints in patients with RA, showing a new inflammatory role of CCR2 during RA flares or active disease.
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Affiliation(s)
- Jhimmy Talbot
- University of São Paulo, Ribeirão Preto Medical School, Ribeirao Preto, Sao Paulo, Brazil
| | - Francine J Bianchini
- University of São Paulo, Ribeirão Preto Medical School, Ribeirao Preto, Sao Paulo, Brazil
| | - Danilele C Nascimento
- University of São Paulo, Ribeirão Preto Medical School, Ribeirao Preto, Sao Paulo, Brazil
| | - Rene D R Oliveira
- University of São Paulo, Ribeirão Preto Medical School, Ribeirao Preto, Sao Paulo, Brazil
| | - Fabricio O Souto
- University of São Paulo, Ribeirão Preto Medical School, Ribeirao Preto, Sao Paulo, Brazil
| | - Larissa G Pinto
- University of São Paulo, Ribeirão Preto Medical School, Ribeirao Preto, Sao Paulo, Brazil
| | - Raphael S Peres
- University of São Paulo, Ribeirão Preto Medical School, Ribeirao Preto, Sao Paulo, Brazil
| | - Jaqueline R Silva
- University of São Paulo, Ribeirão Preto Medical School, Ribeirao Preto, Sao Paulo, Brazil
| | - Sergio C L Almeida
- University of São Paulo, Ribeirão Preto Medical School, Ribeirao Preto, Sao Paulo, Brazil
| | - Paulo Louzada-Junior
- University of São Paulo, Ribeirão Preto Medical School, Ribeirao Preto, Sao Paulo, Brazil
| | - Thiago M Cunha
- University of São Paulo, Ribeirão Preto Medical School, Ribeirao Preto, Sao Paulo, Brazil
| | - Fernando Q Cunha
- University of São Paulo, Ribeirão Preto Medical School, Ribeirao Preto, Sao Paulo, Brazil
| | - Jose C Alves-Filho
- University of São Paulo, Ribeirão Preto Medical School, Ribeirao Preto, Sao Paulo, Brazil
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11
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Pinto LG, Talbot J, Peres RS, Franca RF, Ferreira SH, Ryffel B, Aves-Filho JCF, Figueiredo F, Cunha TM, Cunha FQ. Joint production of IL-22 participates in the initial phase of antigen-induced arthritis through IL-1β production. Arthritis Res Ther 2015; 17:235. [PMID: 26330334 PMCID: PMC4556214 DOI: 10.1186/s13075-015-0759-2] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2015] [Accepted: 08/18/2015] [Indexed: 12/29/2022] Open
Abstract
INTRODUCTION Rheumatoid arthritis (RA) is a chronic autoimmune disease characterized by neutrophil articular infiltration, joint pain and the progressive destruction of cartilage and bone. IL-22 is a key effector molecule that plays a critical role in autoimmune diseases. However, the function of IL-22 in the pathogenesis of RA remains controversial. In this study, we investigated the role of IL-22 in the early phase of antigen-induced arthritis (AIA) in mice. METHODS AIA was induced in C57BL/6, IL-22(-/-), ASC(-/-) and IL-1R1(-/-) immunized mice challenged intra-articularly with methylated bovine serum albumin (mBSA). Expression of IL-22 in synovial membranes was determined by RT-PCR. Articular hypernociception was evaluated using an electronic von Frey. Neutrophil recruitment and histopathological analyses were assessed in inflamed knee joint. Joint levels of inflammatory mediators and mBSA-specific IgG concentration in the serum were measured by ELISA. RESULTS The IL-22 mRNA expression and protein levels in synovial tissue were increased during the onset of AIA. In addition, pharmacological inhibition (anti-IL-22 antibody) and genetic deficiency (IL-22(-/-) mice) reduced articular pain and neutrophil migration in arthritic mice. Consistent with these findings, recombinant IL-22 joint administration promoted articular inflammation per se in WT mice, restoring joint nociception and neutrophil infiltration in IL-22(-/-) mice. Moreover, IL-22-deficient mice showed reduced synovitis (inflammatory cell influx) and lower joint IL-1β levels, whereas the production of IL-17, MCP-1/CCL2, and KC/CXCL1 and the humoral immune response were similar, compared with WT mice. Corroborating these results, the exogenous administration of IL-22 into the joints induced IL-1β production in WT mice and reestablished IL-1β production in IL-22(-/-) mice challenged with mBSA. Additionally, IL-1R1(-/-) mice showed attenuated inflammatory features induced by mBSA or IL-22 challenge. Articular nociception and neutrophil migration induced by IL-22 were also reduced in ASC(-/-) mice. CONCLUSIONS These results suggest that IL-22 plays a pro-inflammatory/pathogenic role in the onset of AIA through an ASC-dependent stimulation of IL-1β production.
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Affiliation(s)
- Larissa G Pinto
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Avenida Bandeirantes, 3900, Ribeirão Preto, São Paulo, 14049-900, Brazil.
| | - Jhimmy Talbot
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Avenida Bandeirantes, 3900, Ribeirão Preto, São Paulo, 14049-900, Brazil.
| | - Raphael S Peres
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Avenida Bandeirantes, 3900, Ribeirão Preto, São Paulo, 14049-900, Brazil.
| | - Rafael F Franca
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Avenida Bandeirantes, 3900, Ribeirão Preto, São Paulo, 14049-900, Brazil.
- Present Address: Aggeu Magalhaes Research Center, Oswaldo Cruz Foundation - FIOCRUZ, Avenida Profesor Moreaes Rego s/n, Recife, 50740-465, Brazil.
| | - Sérgio H Ferreira
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Avenida Bandeirantes, 3900, Ribeirão Preto, São Paulo, 14049-900, Brazil.
| | - Bernhard Ryffel
- Université d'Orléans and CNRS, UMR 7355 Molecular and Experimental Immunology and Neurogenetics, 3b rue de la Férollerie, 45071, Orléans, France.
| | - José Carlos F Aves-Filho
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Avenida Bandeirantes, 3900, Ribeirão Preto, São Paulo, 14049-900, Brazil.
| | - Florêncio Figueiredo
- Laboratory of Pathology, School of Medicine, University of Brasilia, Campus Universitário Darcy Ribeiro, Brasilia, 70910-900, Brazil.
| | - Thiago M Cunha
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Avenida Bandeirantes, 3900, Ribeirão Preto, São Paulo, 14049-900, Brazil.
| | - Fernando Q Cunha
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Avenida Bandeirantes, 3900, Ribeirão Preto, São Paulo, 14049-900, Brazil.
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Franca RFO, Vieira SM, Talbot J, Peres RS, Pinto LG, Zamboni DS, Louzada-Junior P, Cunha FQ, Cunha TM. Expression and activity ofNOD1andNOD2/RIPK2signalling in mononuclear cells from patients with rheumatoid arthritis. Scand J Rheumatol 2015. [DOI: 10.3109/03009742.2015.1047403] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Amaral FA, Costa VV, Tavares LD, Sachs D, Coelho FM, Fagundes CT, Soriani FM, Silveira TN, Cunha LD, Zamboni DS, Quesniaux V, Peres RS, Cunha TM, Cunha FQ, Ryffel B, Souza DG, Teixeira MM. NLRP3 inflammasome-mediated neutrophil recruitment and hypernociception depend on leukotriene B(4) in a murine model of gout. ACTA ACUST UNITED AC 2012; 64:474-84. [PMID: 21952942 DOI: 10.1002/art.33355] [Citation(s) in RCA: 188] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
OBJECTIVE Deposition of monosodium urate monohydrate (MSU) crystals in the joints promotes an intense inflammatory response and joint dysfunction. This study evaluated the role of the NLRP3 inflammasome and 5-lipoxygenase (5-LOX)-derived leukotriene B(4) (LTB(4) ) in driving tissue inflammation and hypernociception in a murine model of gout. METHODS Gout was induced by injecting MSU crystals into the joints of mice. Wild-type mice and mice deficient in NLRP3, ASC, caspase 1, interleukin-1β (IL-1β), IL-1 receptor type I (IL-1RI), IL-18R, myeloid differentiation factor 88 (MyD88), or 5-LOX were used. Evaluations were performed to assess neutrophil influx, LTB(4) activity, cytokine (IL-1β, CXCL1) production (by enzyme-linked immunosorbent assay), synovial microvasculature cell adhesion (by intravital microscopy), and hypernociception. Cleaved caspase 1 and production of reactive oxygen species (ROS) were analyzed in macrophages by Western blotting and fluorometric assay, respectively. RESULTS Injection of MSU crystals into the knee joints of mice induced neutrophil influx and neutrophil-dependent hypernociception. MSU crystal-induced neutrophil influx was CXCR2-dependent and relied on the induction of CXCL1 in an NLRP3/ASC/caspase 1/IL-1β/MyD88-dependent manner. LTB(4) was produced rapidly after injection of MSU crystals, and this was necessary for caspase 1-dependent IL-1β production and consequent release of CXCR2-acting chemokines in vivo. In vitro, macrophages produced LTB(4) after MSU crystal injection, and LTB(4) was relevant in the MSU crystal-induced maturation of IL-1β. Mechanistically, LTB(4) drove MSU crystal-induced production of ROS and ROS-dependent activation of the NLRP3 inflammasome. CONCLUSION These results reveal the role of the NLRP3 inflammasome in mediating MSU crystal-induced inflammation and dysfunction of the joints, and highlight a previously unrecognized role of LTB(4) in driving NLRP3 inflammasome activation in response to MSU crystals, both in vitro and in vivo.
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Chiuso-Minicucci F, VAN DB, Zorzella-Pezavento SFG, Peres RS, Ishikawa LLW, Rosa LC, França TGD, Turato WM, Amarante AFT, Sartori A. Experimental autoimmune encephalomyelitis evolution was not modified by multiple infections with Strongyloides venezuelensis. Parasite Immunol 2011; 33:303-8. [PMID: 21477142 DOI: 10.1111/j.1365-3024.2011.01279.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
According to the hygiene hypothesis, the increased incidence of allergic and autoimmune diseases in developed countries is mainly explained by the decreased contact between the human population and certain environmental agents as lactobacillus, mycobacteria and helminths. In this study, we evaluated the effect of multiple infections with Strongyloides venezuelensis on the development of experimental autoimmune encephalomyelitis (EAE) in Lewis rats. Multiple infections before EAE induction were not able to change the evolution of the disease. No alterations were observed in weight loss, clinical score and inflammation intensity at the central nervous system. The presence of significant levels of parasite-specific IgG1 but not IgG2b suggested a Th2 polarization. However, the percentage and absolute number of CD4+CD25+Foxp3+ T cells were not changed, being their levels in the spleen and lymph nodes of infected rats comparable to the ones found in normal animals. These results suggest that a Th2-polarized response without concomitant expansion of Foxp3+ regulatory T cells was not able to modify EAE progression. Even though these results do not threaten the hygiene hypothesis, they suggest that this paradigm might be an oversimplification. They also emphasize the need of a study to compare the immunoregulatory ability associated with different helminth spp.
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Affiliation(s)
- F Chiuso-Minicucci
- Department of Microbiology and Immunology, Biosciences Institute, Univ Estadual Paulista (UNESP), Botucatu, São Paulo, Brazil
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