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Alejandra SUM, Salud P, Elisa VA, Enrique JF, Julissa RM, Jaime T, Alejandro Z, David Osvaldo SS, Maribel HR. Triterpenes G-A and G-E from Galphimia glauca with anti-inflammatory and anti-arthritic activity in mice. JOURNAL OF ETHNOPHARMACOLOGY 2024; 328:118104. [PMID: 38531431 DOI: 10.1016/j.jep.2024.118104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 03/17/2024] [Accepted: 03/22/2024] [Indexed: 03/28/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Galphimia glauca is a medicinal plant that treats inflammatory and anti-rheumatic problems. Its anti-inflammatory capacity has been reported pharmacologically, attributed to the triterpenes G-A and G-E. AIM The objective of the present work was to measure the anti-inflammatory and immunomodulatory effect of the methanolic extract (GgMeOH) of Galphimia glauca and the isolated galphimines G-A and G-E, first in an acute test of plantar edema with carrageenan, and later in the model of experimental-induced arthritis with CFA. The effect was measured by quantifying joint inflammation, the concentration of pro- (TNF-α, IL-6, IL-17) and anti-inflammatory (IL-10, and IL-4) cytokines, and the ADA enzyme in joints, kidneys, and spleen from mice with experimental arthritis. METHOD The extract and the active triterpenes were obtained according to established methods using different chromatographic techniques. Female ICR strain mice were subjected to intraplantar administration with carrageenan and treated with different doses of GgMeOH, G-A, and G-E; edema was monitored at different times. Subsequently, the concentration of TNF-a and IL-10 in the spleen and swollen paw was quantified. Meloxicam (MEL) was used as an anti-inflammatory control drug. The most effective doses of each treatment were analyzed using a complete Freunds adjuvant (CFA)-induced experimental arthritis model. Joint inflammation was followed throughout the experiment. Ultimately, the concentration of inflammation markers, oxidant stress, and ADA activity was quantified. In this experimental stage, methotrexate (MTX) was used as an antiarthritic drug. RESULTS Treatments derived from G. glauca, GgMeOH (DE50 = 158 mg/kg), G-A (DE50 = 2 mg/kg), and G-E (DE50 = 1.5 mg/kg) caused an anti-inflammatory effect in the plantar edema test with carrageenan. In the CFA model, joint inflammation decreased with all natural treatments; GgMeOH and G-A inhibited the ADA enzyme in all organs analyzed (joints, serum, spleen, left and right kidneys), while G-E inhibited the enzyme in joints, serum, and left kidney. CFA caused an increase in the weight index of the organs, an effect that was counteracted by the administration of G. glauca treatments, which also modulate the response to the cytokines analyzed in the different organs (IL-4, IL-10, IL-17, IL-6, and TNF- α). CONCLUSION It is shown, for the first time, that the GgMeOH extract and the triterpenes G-A and G-E of Galphimia glauca have an anti-arthritic effect (anti-inflammatory, immunomodulatory, antioxidant, and ADA inhibitor), using an experimental arthritis model with CFA. Therefore, knowledge of the plant as a possible therapeutic agent for this rheumatic condition is expanding.
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Affiliation(s)
- Santillan-Urquiza Mayra Alejandra
- Centro de Investigación Biomédica Del Sur, Instituto Mexicano Del Seguro Social, Argentina No. 1, Col. Centro, Xochitepec, Morelos, C.P, 62790, Mexico; Departamento de Ciencias de La Salud, Universidad Autónoma Metropolitana-Iztapalapa, Av. San Rafael Atlixco No. 186, Col. Leyes de Reforma 1a Sección, Ciudad de México, C.P., 09310, Mexico.
| | - Pérez Salud
- Departamento de Sistemas Biológicos, Universidad Autónoma Metropolitana-Xochimilco, A, Calz. Del Hueso 1100, Coapa, Villa Quietud, Coyoacán, Ciudad de México, C.P., 04960, Mexico.
| | - Vega-Avila Elisa
- Departamento de Ciencias de La Salud, Universidad Autónoma Metropolitana-Iztapalapa, Av. San Rafael Atlixco No. 186, Col. Leyes de Reforma 1a Sección, Ciudad de México, C.P., 09310, Mexico.
| | - Jiménez-Ferrer Enrique
- Centro de Investigación Biomédica Del Sur, Instituto Mexicano Del Seguro Social, Argentina No. 1, Col. Centro, Xochitepec, Morelos, C.P, 62790, Mexico.
| | - Rendón-Martínez Julissa
- Centro de Investigación Biomédica Del Sur, Instituto Mexicano Del Seguro Social, Argentina No. 1, Col. Centro, Xochitepec, Morelos, C.P, 62790, Mexico.
| | - Tortoriello Jaime
- Centro de Investigación Biomédica Del Sur, Instituto Mexicano Del Seguro Social, Argentina No. 1, Col. Centro, Xochitepec, Morelos, C.P, 62790, Mexico.
| | - Zamilpa Alejandro
- Centro de Investigación Biomédica Del Sur, Instituto Mexicano Del Seguro Social, Argentina No. 1, Col. Centro, Xochitepec, Morelos, C.P, 62790, Mexico.
| | - Salinas-Sánchez David Osvaldo
- Centro de Investigación en Biodiversidad y Conservación, Universidad Autónoma Del Estado de Morelos (UAEM), Av. Universidad 1001, Col. Chamilpa, Cuernavaca, 62209, Morelos, Mexico.
| | - Herrera-Ruiz Maribel
- Centro de Investigación Biomédica Del Sur, Instituto Mexicano Del Seguro Social, Argentina No. 1, Col. Centro, Xochitepec, Morelos, C.P, 62790, Mexico.
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Dallazen JL, Ciapparini PG, Maria-Ferreira D, da Luz BB, Klosterhoff RR, Felipe LPG, Silva BJG, Cordeiro LMC, Werner MFDP. Arabinan-rich pectic polysaccharide fraction from Malpighia emarginata fruits alleviates inflammatory pain in mice. Food Res Int 2024; 176:113743. [PMID: 38163695 DOI: 10.1016/j.foodres.2023.113743] [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: 08/21/2023] [Revised: 11/16/2023] [Accepted: 11/22/2023] [Indexed: 01/03/2024]
Abstract
Malpighia emarginata (Malpighiaceae), popularly known as "acerola", is a tropical and subtropical fruit native to the Americas. Despite its high vitamin C content, which gives it a high antioxidant property, soluble dietary fibers, such as polysaccharides, are also abundant constituents of acerola (10% of the dried fruit). The acerola cold-water soluble (ACWS) fraction presented anti-fatigue and antioxidant effects in vivo and in vitro. To infer further systemic effects of ACWS, this study aimed to investigate the antinociceptive, anti-inflammatory, and antioxidant effects of ACWS in murine models of pain. In formalin-induced nociception, ACWS (0.1, 1, and 10 mg/kg) reduced only the inflammatory phase, and also (10 and 30 mg/kg) attenuated the acetic acid-induced writhing and leukocyte migration in the peritoneal cavity. The mechanical allodynia and paw edema induced by intraplantar injection of carrageenan were greatly reduced by ACWS (10 mg/kg). At the inflammatory pick induced by carrageenan (4 h), ACWS significantly reduced myeloperoxidase activity, TNF-α, IL-1β, and PGE2 levels, and restored IL-10 levels. ACWS also exhibited antioxidant properties by decreasing lipid hydroperoxides content, increasing GSH levels, and restoring superoxide dismutase and catalase activities in the carrageenan model and 2,2-diphenyl-1-picrylhydrazyl (DPPH) scavenging assay. Collectively, these results support the antinociceptive, anti-inflammatory, and antioxidant effects of ACWS and reveal a promising candidate for the treatment of inflammatory pain conditions.
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Affiliation(s)
| | | | - Daniele Maria-Ferreira
- Department of Pharmacology, Federal University of Parana, Curitiba, Brazil; Instituto de Pesquisa Pelé Pequeno Príncipe, Faculdades Pequeno Príncipe, Curitiba, Brazil; Programa de Pós-graduação em Biotecnologia Aplicada à Saúde da Criança e do Adolescente, Faculdades Pequeno Príncipe, Curitiba, Paraná, Brazil
| | | | | | | | | | - Lucimara M C Cordeiro
- Department of Biochemistry and Molecular Biology, Federal University of Parana, Curitiba, Brazil
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Kulumbegov B, Chikovani T, Gotua M, Kikodze N, Magen E. Interleukin-33, endothelin-1, and inflammatory parameters in chronic spontaneous urticaria. Allergy Asthma Proc 2023; 44:429-435. [PMID: 37919851 DOI: 10.2500/aap.2023.44.230051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2023]
Abstract
Background: Endothelin-1 (ET-1) and interleukin-33 (IL-33) can modulate the activation of mast cells and basophils in the pathophysiology of allergic diseases, interplaying with other mediators of "low-grade inflammation." Objective: To compare ET-1, IL-33, the neutrophil-lymphocyte ratio (NLR), eosinophil-lymphocyte ratio (ELR), platelet-lymphocyte ratio (PLR), eosinophil-basophil ratio (EBR), systemic immune inflammation index (SII), and system inflammation response index (SIRI) in patients with chronic spontaneous urticaria (CSU) and are antihistamine sensitive (AHS), antihistamine resistant (AHR), omalizumab sensitive (OmS), and omalizumab resistant (OmR). Methods: A prospective observational study enrolled 68 consecutive patients with CSU diagnosed and managed according to the dermatology section of the European Academy of Allergology and Clinical Immunology (EAACI), the European Union funded network of excellence, the Global Allergy and Asthma European Network (GA2LEN), the European Dermatology Forum (EDF), and the World Allergy Organization guidelines. Patients with a urticaria control test score of >12 are considered treatment sensitive, and ≤ 12 are considered resistant. The control group consisted of 20 sex-matched subjects without urticarial diseases. Total immunoglobulin E (IgE), antinuclear antibodies (ANA), thyroid stimulating hormone, antithyroid peroxidase, mean platelet volume (MPV), NLR, ELR, PLR, EBR, SII, SIRI, ET-1, and IL-33 were measured at the study entry and compared between the study groups. Results: Thirty AHS group, 38 AHR group, and 20 control group patients were included. The AHS, AHR, and control groups did not differ in demographic parameters, but the CSU groups were characterized by higher indicators of inflammation. In comparison with the AHS group, the AHR group was characterized by higher levels of IL-33 (p = 0.007), ET-1 (p = 0.032), C-reactive protein (p = 0.016), MPV (p = 0.002), and higher rates of positive ANA (p = 0.019). Of the 38 patients from the AHR group, 30 (79%) were included in the OmS group and 8 (21%) were included in the OmR group. The OmR group was characterized by higher levels of C-reactive protein (p = 0.022), EBR (p < 0.001), higher rates of ANA (p = 0.004), and lower levels of ET-1 (p = 0.025) than the OmS group. Conclusion: Our study did not confirm NRL, PRL, SII, and SIRI, PLR as the biomarkers of treatment response to antihistamines and/or omalizumab in CSU. Higher blood levels of IL-33 and ET-1 characterize AHR CSU.
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Affiliation(s)
| | - Tinatin Chikovani
- Immunology Department, Tbilisi State Medical University, Tbilisi, Georgia, and
| | - Maia Gotua
- From the Center of Allergy and Immunology, Tbilisi, Georgia
| | - Nino Kikodze
- Immunology Department, Tbilisi State Medical University, Tbilisi, Georgia, and
| | - Eli Magen
- Assuta Ashdod University Medical Center, Ben Gurion University of the Negev, Ashdod, Israel
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Gao TC, Wang CH, Wang YQ, Mi WL. IL-33/ST2 Signaling in the Pathogenesis of Chronic Pain and Itch. Neuroscience 2023; 529:16-22. [PMID: 37574108 DOI: 10.1016/j.neuroscience.2023.08.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 08/03/2023] [Accepted: 08/07/2023] [Indexed: 08/15/2023]
Abstract
Interleukin-33 (IL-33) is an inflammatory factor with an extensive range of biological effects and pleiotropic roles in diseases. Evidence suggests that IL-33 and its receptor ST2 play a pivotal role in chronic pain and itch at the level of primary sensory neurons, the spinal cord, and the brain. In this review, we outline an evolving understanding of the roles and mechanisms of IL-33 in chronic pathological pain, including inflammatory, neuropathic, and cancer, and chronic pruritus, such as allergic contact dermatitis, atopic dermatitis, and dry skin. Understanding the key roles of IL-33/ST2 signaling may provide exciting insights into the mechanisms of chronic pain and itch and lead to new clues for therapeutic approaches to the resolution of chronic pain and itch.
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Affiliation(s)
- Tian-Chi Gao
- Department of Integrative Medicine and Neurobiology, School of Basic Medical Science, Institutes of Integrative Medicine, Shanghai Key Laboratory of Acupuncture Mechanism and Acupoint Function, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Cheng-Hao Wang
- Department of Integrative Medicine and Neurobiology, School of Basic Medical Science, Institutes of Integrative Medicine, Shanghai Key Laboratory of Acupuncture Mechanism and Acupoint Function, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Yan-Qing Wang
- Department of Integrative Medicine and Neurobiology, School of Basic Medical Science, Institutes of Integrative Medicine, Shanghai Key Laboratory of Acupuncture Mechanism and Acupoint Function, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Wen-Li Mi
- Department of Integrative Medicine and Neurobiology, School of Basic Medical Science, Institutes of Integrative Medicine, Shanghai Key Laboratory of Acupuncture Mechanism and Acupoint Function, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, Shanghai Medical College, Fudan University, Shanghai 200032, China.
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Li P, Yu Q, Nie H, Yin C, Liu B. IL-33/ST2 signaling in pain and itch: Cellular and molecular mechanisms and therapeutic potentials. Biomed Pharmacother 2023; 165:115143. [PMID: 37450998 DOI: 10.1016/j.biopha.2023.115143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 06/28/2023] [Accepted: 07/07/2023] [Indexed: 07/18/2023] Open
Abstract
Pain is a cardinal feature of many diseases. Chronic pain poses heavy burdens to the suffering patients, both physically and mentally. However, current mainstream medications for chronic pain, including opioids, antidepressants and non-steroid anti-inflammatory drugs are sometimes inefficient for chronic pain management and may cause side effects that limit long term usage. IL-33 belongs to IL-1 cytokine family and it exerts biological activities through binding to its specific receptor ST2. IL-33/ST2 signaling is very important in both innate and adaptive immunity. Emerging evidence indicates IL-33/ST2 signaling regulates pain in both immune and somatosensory systems through promoting neuro-immune or neuron-glia crosstalk, neuroinflammation and neuronal hyperexcitability. Some very latest studies indicate a vital part of IL-33/ST2 in mediating chronic itch. This work aims to overview the existing knowledge regarding the mechanisms of IL-33/ST2 involvement in pain and itch conditions, considering their potential similarities. We also summarized some key findings obtained from clinical studies. The targeting of IL-33/ST2 signaling holds promise for the development of novel therapeutic modalities in the management of pain and itch.
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Affiliation(s)
- Peiyi Li
- Department of Neurobiology and Acupuncture Research, the Third Clinical Medical College, Zhejiang Chinese Medical University, Key Laboratory of Acupuncture and Neurology of Zhejiang Province, Hangzhou, China
| | - Qing Yu
- Department of Neurobiology and Acupuncture Research, the Third Clinical Medical College, Zhejiang Chinese Medical University, Key Laboratory of Acupuncture and Neurology of Zhejiang Province, Hangzhou, China
| | - Huimin Nie
- Department of Neurobiology and Acupuncture Research, the Third Clinical Medical College, Zhejiang Chinese Medical University, Key Laboratory of Acupuncture and Neurology of Zhejiang Province, Hangzhou, China
| | - Chengyu Yin
- Department of Neurobiology and Acupuncture Research, the Third Clinical Medical College, Zhejiang Chinese Medical University, Key Laboratory of Acupuncture and Neurology of Zhejiang Province, Hangzhou, China
| | - Boyi Liu
- Department of Neurobiology and Acupuncture Research, the Third Clinical Medical College, Zhejiang Chinese Medical University, Key Laboratory of Acupuncture and Neurology of Zhejiang Province, Hangzhou, China.
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Artero NA, Manchope MF, Carvalho TT, Saraiva-Santos T, Bertozzi MM, Carneiro JA, Franciosi A, Dionisio AM, Zaninelli TH, Fattori V, Ferraz CR, Piva M, Mizokami SS, Camilios-Neto D, Casagrande R, Verri WA. Hesperidin Methyl Chalcone Reduces the Arthritis Caused by TiO 2 in Mice: Targeting Inflammation, Oxidative Stress, Cytokine Production, and Nociceptor Sensory Neuron Activation. Molecules 2023; 28:molecules28020872. [PMID: 36677929 PMCID: PMC9864652 DOI: 10.3390/molecules28020872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 12/27/2022] [Accepted: 01/11/2023] [Indexed: 01/18/2023] Open
Abstract
Arthroplasty is an orthopedic surgical procedure that replaces a dysfunctional joint by an orthopedic prosthesis, thereby restoring joint function. Upon the use of the joint prosthesis, a wearing process begins, which releases components such as titanium dioxide (TiO2) that trigger an immune response in the periprosthetic tissue, leading to arthritis, arthroplasty failure, and the need for revision. Flavonoids belong to a class of natural polyphenolic compounds that possess antioxidant and anti-inflammatory activities. Hesperidin methyl chalcone's (HMC) analgesic, anti-inflammatory, and antioxidant effects have been investigated in some models, but its activity against the arthritis caused by prosthesis-wearing molecules, such as TiO2, has not been investigated. Mice were treated with HMC (100 mg/kg, intraperitoneally (i.p.)) 24 h after intra-articular injection of 3 mg/joint of TiO2, which was used to induce chronic arthritis. HMC inhibited mechanical hyperalgesia, thermal hyperalgesia, joint edema, leukocyte recruitment, and oxidative stress in the knee joint (alterations in gp91phox, GSH, superoxide anion, and lipid peroxidation) and in recruited leukocytes (total reactive oxygen species and GSH); reduced patellar proteoglycan degradation; and decreased pro-inflammatory cytokine production. HMC also reduced the activation of nociceptor-sensory TRPV1+ and TRPA1+ neurons. These effects occurred without renal, hepatic, or gastric damage. Thus, HMC reduces arthritis triggered by TiO2, a component released upon wearing of prosthesis.
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Affiliation(s)
- Nayara A. Artero
- Laboratory of Pain, Inflammation, Neuropathy and Cancer, Department of Pathology, Centre of Biological Sciences, Londrina State University, Londrina 86057-970, PR, Brazil
| | - Marília F. Manchope
- Laboratory of Pain, Inflammation, Neuropathy and Cancer, Department of Pathology, Centre of Biological Sciences, Londrina State University, Londrina 86057-970, PR, Brazil
| | - Thacyana T. Carvalho
- Laboratory of Pain, Inflammation, Neuropathy and Cancer, Department of Pathology, Centre of Biological Sciences, Londrina State University, Londrina 86057-970, PR, Brazil
| | - Telma Saraiva-Santos
- Laboratory of Pain, Inflammation, Neuropathy and Cancer, Department of Pathology, Centre of Biological Sciences, Londrina State University, Londrina 86057-970, PR, Brazil
| | - Mariana M. Bertozzi
- Laboratory of Pain, Inflammation, Neuropathy and Cancer, Department of Pathology, Centre of Biological Sciences, Londrina State University, Londrina 86057-970, PR, Brazil
| | - Jessica A. Carneiro
- Laboratory of Pain, Inflammation, Neuropathy and Cancer, Department of Pathology, Centre of Biological Sciences, Londrina State University, Londrina 86057-970, PR, Brazil
| | - Anelise Franciosi
- Laboratory of Pain, Inflammation, Neuropathy and Cancer, Department of Pathology, Centre of Biological Sciences, Londrina State University, Londrina 86057-970, PR, Brazil
| | - Amanda M. Dionisio
- Laboratory of Pain, Inflammation, Neuropathy and Cancer, Department of Pathology, Centre of Biological Sciences, Londrina State University, Londrina 86057-970, PR, Brazil
| | - Tiago H. Zaninelli
- Laboratory of Pain, Inflammation, Neuropathy and Cancer, Department of Pathology, Centre of Biological Sciences, Londrina State University, Londrina 86057-970, PR, Brazil
| | - Victor Fattori
- Laboratory of Pain, Inflammation, Neuropathy and Cancer, Department of Pathology, Centre of Biological Sciences, Londrina State University, Londrina 86057-970, PR, Brazil
| | - Camila R. Ferraz
- Laboratory of Pain, Inflammation, Neuropathy and Cancer, Department of Pathology, Centre of Biological Sciences, Londrina State University, Londrina 86057-970, PR, Brazil
| | - Maiara Piva
- Laboratory of Pain, Inflammation, Neuropathy and Cancer, Department of Pathology, Centre of Biological Sciences, Londrina State University, Londrina 86057-970, PR, Brazil
| | - Sandra S. Mizokami
- Laboratory of Pain, Inflammation, Neuropathy and Cancer, Department of Pathology, Centre of Biological Sciences, Londrina State University, Londrina 86057-970, PR, Brazil
| | - Doumit Camilios-Neto
- Department of Biochemistry and Biotechnology, Centre of Exact Sciences, Londrina State University, Londrina 86057-970, PR, Brazil
| | - Rubia Casagrande
- Department of Pharmaceutical Sciences, Centre of Health Science, Londrina State University, Londrina 86039-440, PR, Brazil
| | - Waldiceu A. Verri
- Laboratory of Pain, Inflammation, Neuropathy and Cancer, Department of Pathology, Centre of Biological Sciences, Londrina State University, Londrina 86057-970, PR, Brazil
- Correspondence: ; Tel.: +55-43-3371-4979
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Effects of Preoperative Sleep Disorders on Anesthesia Recovery and Postoperative Pain in Patients Undergoing Laparoscopic Gynecological Surgery under General Anesthesia. Mediators Inflamm 2022; 2022:7998104. [PMID: 36570021 PMCID: PMC9779992 DOI: 10.1155/2022/7998104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 11/15/2022] [Accepted: 11/24/2022] [Indexed: 12/23/2022] Open
Abstract
Sleep disorder dramatically affects people's physical and mental health. Here, we investigated the effect of preoperative sleep disorders on anesthesia recovery and postoperative pain in patients undergoing laparoscopic gynecological surgery under general anesthesia. 120 patients who underwent elective laparoscopic gynecological surgery under general anesthesia in Taizhou Central Hospital from November 2021 to March 2022 were included. According to the score of the Pittsburgh sleep quality index (PSQI), the participating patients were divided into four groups: control group (control group), mild sleep disorder group A (group A), moderate sleep disorder group B (group B), and severe sleep disorder group C (group C), with 30 patients in each group. The changes of mean arterial pressure (MAP) and heart rate (HR) at different time points, operation time, anesthesia time, extubation time, the time when Aldrete score reached 10 points, visual analog score (VAS) serum interleukin-6 (IL-6), interleukin-10 (IL-10), and tumor necrosis factor-α (TNF-α) were compared among different groups. Our study demonstrated that there were no significant differences in MAP and HR among the four groups at the same time points (all P > 0.05). Significant differences in the time of extubation and Aldrete score reaching 10 points had been found among the four groups (all P < 0.001), indicating more sleep disorder induced longer extubation and recovery time. There were significant differences in VAS scores among the four groups at both different and the same time points (all P < 0.001), suggesting more sleep disorders induced more pain in the sufferers. Serum IL-6 levels were significantly higher in the three sleep disorder groups than the control group at 6 h and 24 h after the operation (all P < 0.05), while group C has the highest IL-6 levels as compared to the other group (P = 0.09 and P < 0.001, respectively). At 6 h after operation, serum levels of TNF-α in group C were significantly higher than in the control group (P = 0.044), but no significant differences were found in the other two groups (all P > 0.05). Positive correlation with preoperative PSQI score has been found with the times of extubation, the time of Aldrete score reaching 10 points, the VAS at 1 h, 6 h, and 24 h after operation, the level of serum IL-6 at 1 day before operation and 6 h and 24 h after operation, and the TNF-α at 6 h and 24 h after operation (all P < 0.001). The present study showed that the degree of preoperative sleep disorders could affect the quality of postoperative awakening and pain of patients undergoing laparoscopic gynecological surgery under general anesthesia, which might be associated with the aggravation of inflammatory reactions in the body.
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Liu X, Meng X, Su X, Ren K, Ning C, Qi X, Zhang S. The mechanism of ginger and its processed products in the treatment of estradiol valerate coupled with oxytocin-induced dysmenorrhea in mice via regulating the TRP ion channel-mediated ERK 1/2/NF-κB signaling pathway. Food Funct 2022; 13:11236-11248. [PMID: 36222424 DOI: 10.1039/d2fo01845d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2024]
Abstract
Ginger (Rhizoma zingiberis, RZ) has been used as a food, spice, supplement, flavoring agent, and as an edible herbal medicine. It is characterized by its pungency and aroma, and is rich in nutrients with remarkable pharmacological effects. It is used in traditional medicine clinics to treat diseases and symptoms, such as colds, headache, and primary dysmenorrhea (PD). In China, a variety of processed products of RZ are used as herbal medicines, such as baked ginger (BG) or ginger charcoal (GC) to treat different diseases and symptoms. However, the molecular mechanism of the therapeutic effect of RZ and its processed products (RZPPs, including BG or GC) against PD has not been well characterized. Moreover, whether the transient receptor potential (TRP) ion channels are involved in this process is not clear. In the present study, UHPLC-Q-TOF MS was adopted to analyse the differential quality markers (DQMs) between RZ and RZPPs. In addition, differential metabolomics (DMs) was acquired between RZ- and RZPPs-treated estradiol valerate coupled with an oxytocin-induced PD mouse uterus using untargeted metabolomics (UM). A correlation analysis between DQMs and DMs was also conducted. Benzenoids, lipids, and lipid-like molecules were the main DQMs between RZ and RZPPs. RZ and RZPPs were found to improve the pathological status of the uterus of a PD mouse, with significantly decreased serum levels of E2, PGF2α, TXB2 and remarkably increased levels of PROG and 6-keto-PGF1α. Moreover, RZ and RZPPs alleviated PD in mice via regulating the TRP ion channel-mediated ERK1/2/NF-κB signaling pathway. Our results indicate that the therapeutic effect of RZ and RZPPs against PD may be mediated by regulating the TRP ion channel-mediated ERK1/2/NF-κB signaling pathway, and provide a reference for the development of new dietary supplements or medicines.
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Affiliation(s)
- Xiaoqin Liu
- College of Chinese Materia Medica and Food Engineering, Shanxi University of Chinese Medicine, Jinzhong 030619, Shanxi, China.
- Shanxi Key Laboratory of Traditional Herbal Medicines Processing, Jinzhong 030619, Shanxi, China
| | - Xianglong Meng
- College of Chinese Materia Medica and Food Engineering, Shanxi University of Chinese Medicine, Jinzhong 030619, Shanxi, China.
- Shanxi Key Laboratory of Traditional Herbal Medicines Processing, Jinzhong 030619, Shanxi, China
| | - Xiaojuan Su
- College of Chinese Materia Medica and Food Engineering, Shanxi University of Chinese Medicine, Jinzhong 030619, Shanxi, China.
- Shanxi Key Laboratory of Traditional Herbal Medicines Processing, Jinzhong 030619, Shanxi, China
| | - Kele Ren
- College of Chinese Materia Medica and Food Engineering, Shanxi University of Chinese Medicine, Jinzhong 030619, Shanxi, China.
- Shanxi Key Laboratory of Traditional Herbal Medicines Processing, Jinzhong 030619, Shanxi, China
| | - Chenxu Ning
- College of Chinese Materia Medica and Food Engineering, Shanxi University of Chinese Medicine, Jinzhong 030619, Shanxi, China.
- Shanxi Key Laboratory of Traditional Herbal Medicines Processing, Jinzhong 030619, Shanxi, China
| | - Xiaoming Qi
- College of Chinese Materia Medica and Food Engineering, Shanxi University of Chinese Medicine, Jinzhong 030619, Shanxi, China.
- Shanxi Key Laboratory of Traditional Herbal Medicines Processing, Jinzhong 030619, Shanxi, China
| | - Shuosheng Zhang
- College of Chinese Materia Medica and Food Engineering, Shanxi University of Chinese Medicine, Jinzhong 030619, Shanxi, China.
- Shanxi Key Laboratory of Traditional Herbal Medicines Processing, Jinzhong 030619, Shanxi, China
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Article Type: Original Article Title: Linalyl Acetate Ameliorates Mechanical Hyperalgesia Through Suppressing Inflammation by TSLP/IL-33 Signaling. Neurochem Res 2022; 47:3805-3816. [DOI: 10.1007/s11064-022-03763-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Revised: 09/15/2022] [Accepted: 09/20/2022] [Indexed: 10/31/2022]
Abstract
AbstractNeuropathic pain is a debilitating chronic disorder, significantly causing personal and social burdens, in which activated neuroinflammation is one major contributor. Thymic stromal lymphopoietin (TSLP) and interleukin (IL)-33 is important for chronic inflammation. Linalyl acetate (LA) is main component of lavender oil with an anti-inflammatory property through TSLP signaling. The aim of the study is to investigate how LA regulates mechanical hyperalgesia after sciatic nerve injury (SNI). Adult Sprague-Dawley male rats were separated into 3 groups: control group, SNI group and SNI with LA group. LA was administrated intraperitoneally one day before SNI. Pain behavior test was evaluated through calibration forceps testing. Ipsilateral sciatic nerves (SNs), dorsal root ganglions (DRGs) and spinal cord were collected for immunofluorescence staining and Western blotting analyses. SNI rats were more sensitive to hyperalgesia response to mechanical stimulus since operation, which was accompanied by spinal cord glial cells reactions and DRG neuro-glial interaction. LA could relieve the pain sensation, proinflammatory cytokines and decrease the expression of TSLP/TSLPR complex. Also, LA could reduce inflammation through reducing IL-33 signaling. This study is the first to indicate that LA can modulate pain through TSLP/TSLPR and IL-33 signaling after nerve injury.
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Sehgal A, Behl T, Singh S, Sharma N, Albratty M, Alhazmi HA, Meraya AM, Aleya L, Sharma A, Bungau S. Exploring the pivotal role of endothelin in rheumatoid arthritis. Inflammopharmacology 2022; 30:1555-1567. [PMID: 36029362 DOI: 10.1007/s10787-022-01051-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 07/01/2022] [Indexed: 11/05/2022]
Abstract
A chronic inflammatory disorder, rheumatoid arthritis (RA) is an autoimmune and systemic disease characterized by progressive and prolonged destruction of joints. This results in increased mortality, physical disability and destruction. Cardiovascular disorders are one of the primary causes of mortality in patients with RA. It is multifactorial in nature and includes genetic, environmental and demographic factors which contribute to the severity of disease. Endothelin-1 (ET-1) is a peptide which acts as a potent vasoconstrictor and is generated through vascular smooth muscle and endothelial cells. Endothelins may be responsible for RA, as under certain circumstances they produce reactive oxygen species which further promote the production of pro-inflammatory cytokines. This enhances the production of superoxide anion, which activates pro-inflammatory cytokines, resulting in RA. The aim of this review is to elucidate the role of endothelin in the progression of RA. This review also summarizes the natural and synthetic anti-inflammatory drugs which have provided remarkable insights in targeting endothelin.
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Affiliation(s)
- Aayush Sehgal
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Tapan Behl
- School of Health Sciences, University of Petroleum and Energy Studies, Dehradun, Uttarakhand, India.
| | - Sukhbir Singh
- Department of Pharmaceutics, MM College of Pharmacy, Maharishi Markandeshwar (Deemed to be University), Mullana-Ambala, 133207, Haryana, India
| | - Neelam Sharma
- Department of Pharmaceutics, MM College of Pharmacy, Maharishi Markandeshwar (Deemed to be University), Mullana-Ambala, 133207, Haryana, India
| | - Mohammed Albratty
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jazan University, Jazan, Saudi Arabia
| | - Hassan A Alhazmi
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jazan University, Jazan, Saudi Arabia.,Substance Abuse and Toxicology Research Center, Jazan University, Jazan, Saudi Arabia
| | - Abdulkarim M Meraya
- Pharmacy Practice Research Unit, Department of Clinical Pharmacy, College of Pharmacy, Jazan University, Jazan, Saudi Arabia
| | - Lotfi Aleya
- Chrono-Environment Laboratory, UMR CNRS 6249, Bourgogne Franche-Comté University, Besançon, France
| | - Aditi Sharma
- School of Pharmaceutical Sciences, Shoolini University, Solan, Himachal Pradesh, India
| | - Simona Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, Oradea, Romania.,Doctoral School of Biomedical Sciences, University of Oradea, Oradea, Romania
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11
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Langedijk J, Araya EI, Barroso AR, Tolenaars D, Nazaré M, Belabed H, Schoene J, Chichorro JG, Oude Elferink R. An LPAR5-antagonist that reduces nociception and increases pruriception. FRONTIERS IN PAIN RESEARCH 2022; 3:963174. [PMID: 35959236 PMCID: PMC9360597 DOI: 10.3389/fpain.2022.963174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 07/01/2022] [Indexed: 11/13/2022] Open
Abstract
Introduction The G-protein coupled receptor LPAR5 plays a prominent role in LPA-mediated pain and itch signaling. In this study we focus on the LPAR5-antagonist compound 3 (cpd3) and its ability to affect pain and itch signaling, both in vitro and in vivo. Methods Nociceptive behavior in wild type mice was induced by formalin, carrageenan or prostaglandin E2 (PGE2) injection in the hind paw, and the effect of oral cpd3 administration was measured. Scratch activity was measured after oral administration of cpd3, in mice overexpressing phospholipase A2 (sPLA2tg), in wild type mice (WT) and in TRPA1-deficient mice (Trpa1 KO). In vitro effects of cpd3 were assessed by measuring intracellular calcium release in HMC-1 and HEK-TRPA1 cells. Results As expected, nociceptive behavior (induced by formalin, carrageenan or PGE2) was reduced after treatment with cpd3. Unexpectedly, cpd3 induced scratch activity in mice. In vitro addition of cpd3 to HEK-TRPA1 cells induced an intracellular calcium wave that could be inhibited by the TRPA1-antagonist A-967079. In Trpa1 KO mice, however, the increase in scratch activity after cpd3 administration was not reduced. Conclusions Cpd3 has in vivo antinociceptive effects but induces scratch activity in mice, probably by activation of multiple pruriceptors, including TRPA1. These results urge screening of antinociceptive candidate drugs for activity with pruriceptors.
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Affiliation(s)
- Jacqueline Langedijk
- Amsterdam University Medical Centers (UMC), Tytgat Institute for Liver and Intestinal Research, University of Amsterdam, Research Institute Amsterdam Gastroenterology, Endocrinology and Metabolism (AG&M), Amsterdam, Netherlands
| | - Erika Ivanna Araya
- Department of Pharmacology, Biological Sciences Sector, Federal University of Parana, Curitiba, Brazil
| | - Amanda Ribeiro Barroso
- Department of Pharmacology, Biological Sciences Sector, Federal University of Parana, Curitiba, Brazil
| | - Dagmar Tolenaars
- Amsterdam University Medical Centers (UMC), Tytgat Institute for Liver and Intestinal Research, University of Amsterdam, Research Institute Amsterdam Gastroenterology, Endocrinology and Metabolism (AG&M), Amsterdam, Netherlands
| | - Marc Nazaré
- Departments of Chemical Biology and Structural Biology, Leibniz-Forschungsinstitut für Molekulare Pharmakologie, Berlin, Germany
| | - Hassane Belabed
- Departments of Chemical Biology and Structural Biology, Leibniz-Forschungsinstitut für Molekulare Pharmakologie, Berlin, Germany
| | - Jens Schoene
- Departments of Chemical Biology and Structural Biology, Leibniz-Forschungsinstitut für Molekulare Pharmakologie, Berlin, Germany
| | | | - Ronald Oude Elferink
- Amsterdam University Medical Centers (UMC), Tytgat Institute for Liver and Intestinal Research, University of Amsterdam, Research Institute Amsterdam Gastroenterology, Endocrinology and Metabolism (AG&M), Amsterdam, Netherlands
- *Correspondence: Ronald Oude Elferink
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12
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Duitama M, Moreno Y, Santander SP, Casas Z, Sutachan JJ, Torres YP, Albarracín SL. TRP Channels as Molecular Targets to Relieve Cancer Pain. Biomolecules 2021; 12:1. [PMID: 35053150 PMCID: PMC8774023 DOI: 10.3390/biom12010001] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 11/17/2021] [Accepted: 11/23/2021] [Indexed: 12/13/2022] Open
Abstract
Transient receptor potential (TRP) channels are critical receptors in the transduction of nociceptive stimuli. The microenvironment of diverse types of cancer releases substances, including growth factors, neurotransmitters, and inflammatory mediators, which modulate the activity of TRPs through the regulation of intracellular signaling pathways. The modulation of TRP channels is associated with the peripheral sensitization observed in patients with cancer, which results in mild noxious sensory stimuli being perceived as hyperalgesia and allodynia. Secondary metabolites derived from plant extracts can induce the activation, blocking, and desensitization of TRP channels. Thus, these compounds could act as potential therapeutic agents, as their antinociceptive properties could be beneficial in relieving cancer-derived pain. In this review, we will summarize the role of TRPV1 and TRPA1 in pain associated with cancer and discuss molecules that have been reported to modulate these channels, focusing particularly on the mechanisms of channel activation associated with molecules released in the tumor microenvironment.
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Affiliation(s)
- Milena Duitama
- Departamento de Nutrición y Bioquímica, Pontificia Universidad Javeriana, Bogotá 110231, Colombia; (M.D.); (Z.C.); (J.J.S.)
| | - Yurany Moreno
- Department of Lymphoma & Myeloma, MD Anderson Cancer Center, The University of Texas, Houston, TX 77030, USA;
| | - Sandra Paola Santander
- Phytoimmunomodulation Research Group, Juan N. Corpas University Foundation, Bogotá 111111, Colombia;
| | - Zulma Casas
- Departamento de Nutrición y Bioquímica, Pontificia Universidad Javeriana, Bogotá 110231, Colombia; (M.D.); (Z.C.); (J.J.S.)
| | - Jhon Jairo Sutachan
- Departamento de Nutrición y Bioquímica, Pontificia Universidad Javeriana, Bogotá 110231, Colombia; (M.D.); (Z.C.); (J.J.S.)
| | - Yolima P. Torres
- Departamento de Nutrición y Bioquímica, Pontificia Universidad Javeriana, Bogotá 110231, Colombia; (M.D.); (Z.C.); (J.J.S.)
| | - Sonia L. Albarracín
- Departamento de Nutrición y Bioquímica, Pontificia Universidad Javeriana, Bogotá 110231, Colombia; (M.D.); (Z.C.); (J.J.S.)
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13
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Huang J, Gandini MA, Chen L, M'Dahoma S, Stemkowski PL, Chung H, Muruve DA, Zamponi GW. Hyperactivity of Innate Immunity Triggers Pain via TLR2-IL-33-Mediated Neuroimmune Crosstalk. Cell Rep 2021; 33:108233. [PMID: 33027646 DOI: 10.1016/j.celrep.2020.108233] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 07/27/2020] [Accepted: 09/15/2020] [Indexed: 01/09/2023] Open
Abstract
The innate immune system responds to infections that give rise to pain. How the innate immune system interacts with the sensory nervous system and contributes to pain is poorly understood. Here we report that hyperactivity of innate immunity primes and initiates pain states via the TLR2-interleukin-33 (IL-33) axis. Toll-like receptors (TLRs) are upregulated in the complete Freund's adjuvant (CFA) pain model, and knockout of TLR2 abolishes CFA-induced pain. Selective activation of TLR2/6 triggers acute pain via upregulation of IL-33 in the hindpaw, dorsal root ganglia (DRG), and spinal cord in an NLRP3-dependent manner. The IL-33 increase further initiates priming of nociceptive neurons and pain states. Finally, blocking IL-33 receptors at the spinal level mediates analgesia during acute and chronic inflammatory pain, underscoring an important function of IL-33 in pain signaling. Collectively, our data reveal a critical role of the TLR2-IL-33 axis in innate immune activation for pain initiation and maintenance.
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Affiliation(s)
- Junting Huang
- Department of Physiology and Pharmacology, Hotchkiss Brain Institute and Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada.
| | - Maria A Gandini
- Department of Physiology and Pharmacology, Hotchkiss Brain Institute and Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada
| | - Lina Chen
- Department of Physiology and Pharmacology, Hotchkiss Brain Institute and Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada
| | - Said M'Dahoma
- Department of Physiology and Pharmacology, Hotchkiss Brain Institute and Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada
| | - Patrick L Stemkowski
- Department of Physiology and Pharmacology, Hotchkiss Brain Institute and Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada
| | - Hyunjae Chung
- Department of Medicine, Snyder Institute for Chronic Disease, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada
| | - Daniel A Muruve
- Department of Medicine, Snyder Institute for Chronic Disease, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada
| | - Gerald W Zamponi
- Department of Physiology and Pharmacology, Hotchkiss Brain Institute and Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada.
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14
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Li HN, Yang QQ, Wang WT, Tian X, Feng F, Zhang ST, Xia YT, Wang JX, Zou YW, Wang JY, Zeng XY. Red nucleus IL-33 facilitates the early development of mononeuropathic pain in male rats by inducing TNF-α through activating ERK, p38 MAPK, and JAK2/STAT3. J Neuroinflammation 2021; 18:150. [PMID: 34225736 PMCID: PMC8258957 DOI: 10.1186/s12974-021-02198-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 06/17/2021] [Indexed: 01/12/2023] Open
Abstract
Background Our recent studies have identified that the red nucleus (RN) dual-directionally modulates the development and maintenance of mononeuropathic pain through secreting proinflammatory and anti-inflammatory cytokines. Here, we further explored the action of red nucleus IL-33 in the early development of mononeuropathic pain. Methods In this study, male rats with spared nerve injury (SNI) were used as mononeuropathic pain model. Immunohistochemistry, Western blotting, and behavioral testing were used to assess the expressions, cellular distributions, and actions of red nucleus IL-33 and its related downstream signaling molecules. Results IL-33 and its receptor ST2 were constitutively expressed in the RN in naive rats. After SNI, both IL-33 and ST2 were upregulated significantly at 3 days and peaked at 1 week post-injury, especially in RN neurons, oligodendrocytes, and microglia. Blockade of red nucleus IL-33 with anti-IL-33 neutralizing antibody attenuated SNI-induced mononeuropathic pain, while intrarubral administration of exogenous IL-33 evoked mechanical hypersensitivity in naive rats. Red nucleus IL-33 generated an algesic effect in the early development of SNI-induced mononeuropathic pain through activating NF-κB, ERK, p38 MAPK, and JAK2/STAT3, suppression of NF-κB, ERK, p38 MAPK, and JAK2/STAT3 with corresponding inhibitors markedly attenuated SNI-induced mononeuropathic pain or IL-33-evoked mechanical hypersensitivity in naive rats. Red nucleus IL-33 contributed to SNI-induced mononeuropathic pain by stimulating TNF-α expression, which could be abolished by administration of inhibitors against ERK, p38 MAPK, and JAK2/STAT3, but not NF-κB. Conclusions These results suggest that red nucleus IL-33 facilitates the early development of mononeuropathic pain through activating NF-κB, ERK, p38 MAPK, and JAK2/STAT3. IL-33 mediates algesic effect partly by inducing TNF-α through activating ERK, p38 MAPK and JAK2/STAT3. Supplementary Information The online version contains supplementary material available at 10.1186/s12974-021-02198-9.
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Affiliation(s)
- Hao-Nan Li
- Department of Laboratory Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China.,Department of Pathogenic Biology and Immunology, 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), Ministry of Education of China, Xi'an, China
| | - Qing-Qing Yang
- Department of Pathogenic Biology and Immunology, 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), Ministry of Education of China, Xi'an, China
| | - Wen-Tao Wang
- Biological Science BSc, Department of Biological Sciences, Xi'an Jiaotong-Liverpool University, Suzhou, 215123, Jiangsu, China.,Biochemistry BSc, Faculty of Health and Life Sciences, University of Liverpool, Liverpool, L69 3BX, UK
| | - Xue Tian
- Department of Pathogenic Biology and Immunology, 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), Ministry of Education of China, Xi'an, China
| | - Fan Feng
- Department of Pathogenic Biology and Immunology, 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), Ministry of Education of China, Xi'an, China
| | - Shu-Ting Zhang
- Department of Pathogenic Biology and Immunology, 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), Ministry of Education of China, Xi'an, China
| | - Yu-Tong Xia
- Department of Pathogenic Biology and Immunology, 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), Ministry of Education of China, Xi'an, China
| | - Jia-Xue Wang
- Department of Pathogenic Biology and Immunology, 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), Ministry of Education of China, Xi'an, China
| | - Yuan-Wu Zou
- Department of Pathogenic Biology and Immunology, 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), Ministry of Education of China, Xi'an, China
| | - Jun-Yang Wang
- Department of Pathogenic Biology and Immunology, 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), Ministry of Education of China, Xi'an, China.
| | - Xiao-Yan Zeng
- Department of Laboratory Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China. .,Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education of China, Xi'an, China.
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15
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Zhou J, Zhuang T, Ma P, Shan L, Sun XD, Gong S, Tao J, Yu XM, Jiang X. MicroRNA-547-5p-mediated interleukin-33/suppressor of tumorigenicity 2 signaling underlies the genesis and maintenance of neuropathic pain and is targeted by the therapy with bone marrow stromal cells. Mol Pain 2021; 16:1744806920931737. [PMID: 32513089 PMCID: PMC7309409 DOI: 10.1177/1744806920931737] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Interleukin-33 (IL-33)/suppressor of tumorigenicity 2 (ST2) signaling is known to promote inflammation and the genesis and maintenance of neuropathic pain. However, it remained mostly unknown how IL-33/ST2 signaling can be enhanced by neuropathic stimulations. Here, we report that the chronic constriction nerve injury (CCI)-induced increases in the expression of IL-33 and ST2 and a decrease in microRNA (miRNA)-547-5p not only in the dorsal root ganglia (DRG) but also in spinal dorsal horn (SDH) ipsilateral to the CCI. We found that increasing endogenous miRNA-547-5p by the intrathecal (i.t.) infusion of agomir-miR-547-5p did not produce any effect in naive rats but blocked the CCI-induced increases in the IL-33 and ST2, and pain sensitivity. The reducing endogenous miRNA-547-5p by the i.t. delivering antagomir-miR-547-5p into naive rats caused significant changes in IL-33 and ST2 expressions in both the DRG and SDH, and pain sensitivity, which were similar to those induced by the CCI. Since increasing IL-33 by the i.t. infusion of recombinant IL-33 produced no change in the expression of miR-547-5p, and the CCI still reduced miR-547-5p expression in rats with the IL-33 knockdown, we conclude that the reduction of miR-547-5p can be an upstream event leading to the enhancement of IL-33/ST2 signaling induced by the CCI. The intravenous application of bone marrow stromal cells (BMSCs) reduced the depression of miR-547-5p in both the DRG and SDH, and pain hypersensitivity produced by the CCI or antagomir-miR547-5p application. However, the BMSC effect was significantly occluded by the pretreatment with miR-547-5p agomir or the IL-33 knockdown, demonstrating a novel mechanism underlying the BMSC therapy.
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Affiliation(s)
- Ju Zhou
- Key Laboratory of Pain Basic Research and Clinical Therapy, Department of Physiology and Neurobiology, Medical College of Soochow University, Suzhou, China
| | - Ting Zhuang
- Key Laboratory of Pain Basic Research and Clinical Therapy, Department of Physiology and Neurobiology, Medical College of Soochow University, Suzhou, China
| | - Peng Ma
- Key Laboratory of Pain Basic Research and Clinical Therapy, Department of Physiology and Neurobiology, Medical College of Soochow University, Suzhou, China
| | - Lidong Shan
- Key Laboratory of Pain Basic Research and Clinical Therapy, Department of Physiology and Neurobiology, Medical College of Soochow University, Suzhou, China
| | - Xiao-Dong Sun
- Key Laboratory of Pain Basic Research and Clinical Therapy, Department of Physiology and Neurobiology, Medical College of Soochow University, Suzhou, China
| | - Shan Gong
- Key Laboratory of Pain Basic Research and Clinical Therapy, Department of Physiology and Neurobiology, Medical College of Soochow University, Suzhou, China
| | - Jin Tao
- Key Laboratory of Pain Basic Research and Clinical Therapy, Department of Physiology and Neurobiology, Medical College of Soochow University, Suzhou, China
| | - Xian-Min Yu
- Key Laboratory of Pain Basic Research and Clinical Therapy, Department of Physiology and Neurobiology, Medical College of Soochow University, Suzhou, China
| | - Xinghong Jiang
- Key Laboratory of Pain Basic Research and Clinical Therapy, Department of Physiology and Neurobiology, Medical College of Soochow University, Suzhou, China
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Kusi Amponsah A, Oduro E, Bam V, Kyei-Dompim J, Ahoto CK, Axelin A. Dynamics on the field: a focused study on the culture and context of pediatric pain management at four Ghanaian hospitals. BMC Pediatr 2020; 20:529. [PMID: 33218327 PMCID: PMC7678185 DOI: 10.1186/s12887-020-02399-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Accepted: 10/21/2020] [Indexed: 11/10/2022] Open
Abstract
Background As part of efforts to develop and implement a short course educational program on pediatric pain management, the current study sought to understand the culture and contextual factors that influence children’s pain management in order to improve the practice in pediatric care settings. Methods Guided by Bourdieu’s theory of practice, a focused ethnographic study was conducted from October, 2018 to February, 2019. The study was contextualized at four Ghanaian hospitals among purposefully sampled nurses, physicians, hospitalized children and their families. During the 20-week study period, three ethnographers spent 144 h conducting participant-observation sessions. Formal and informal interviews were held with participants in addition to review of hospital records. Results Analysis of the field data resulted in four themes. “Children’s pain expression and response of caregivers” described the disposition (habitus) of both children and caregivers to act in particular ways due to children’s incomplete health status (bodily capital) which caused them pain and also resulted in discomforting procedures. “Pharmacological pain management practices and attitudes” elucidated the use of analgesics as the mainstay disposition (habitus) in children’s pain management due to high level of respect (symbolic capital) given to such interventions on the pediatric units (field). “Managing pain without drugs” illustrated healthcare providers and family caregivers’ disposition (habitus) of using diverse nonpharmacological methods in managing children’s pain. “Communication and interaction between pain actors” depicted how children’s access to care givers (social capital) can serve as a powerful tool in influencing pediatric pain assessment and management disposition (habitus) on the pediatric units (field). Conclusions The habitus of pediatric pain actors toward pain assessment and management practices are influenced by various forms of capital (social, cultural, symbolic, bodily and economic) operating at different levels on the pediatric care field. Quality improvement programs that seek to enhance pediatric pain management should use the insights obtained in this study to guide the development, implementation and evaluation stages. Supplementary Information Supplementary information accompanies this paper at 10.1186/s12887-020-02399-w.
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Affiliation(s)
- Abigail Kusi Amponsah
- Department of Nursing Sciences, Faculty of Medicine, University of Turku, Turku, Finland. .,Department of Nursing, Faculty of Allied Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana.
| | - Evans Oduro
- Department of Nursing, Faculty of Allied Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Victoria Bam
- Department of Nursing, Faculty of Allied Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Joana Kyei-Dompim
- Department of Nursing, Faculty of Allied Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Collins Kwadwo Ahoto
- Department of Nursing, Faculty of Allied Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Anna Axelin
- Department of Nursing Sciences, Faculty of Medicine, University of Turku, Turku, Finland
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17
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Yin C, Liu B, Li Y, Li X, Wang J, Chen R, Tai Y, Shou Q, Wang P, Shao X, Liang Y, Zhou H, Mi W, Fang J, Liu B. IL-33/ST2 induces neutrophil-dependent reactive oxygen species production and mediates gout pain. Theranostics 2020; 10:12189-12203. [PMID: 33204337 PMCID: PMC7667675 DOI: 10.7150/thno.48028] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Accepted: 10/13/2020] [Indexed: 12/19/2022] Open
Abstract
Objective: Gout, induced by monosodium urate (MSU) crystal deposition in joint tissues, provokes severe pain and impacts life quality of patients. However, the mechanisms underlying gout pain are still incompletely understood. Methods: We established a mouse gout model by intra-articularly injection of MSU crystals into the ankle joint of wild type and genetic knockout mice. RNA-Sequencing, in vivo molecular imaging, Ca2+ imaging, reactive oxygen species (ROS) generation, neutrophil influx and nocifensive behavioral assays, etc. were used. Results: We found interleukin-33 (IL-33) was among the top up-regulated cytokines in the inflamed ankle. Neutralizing or genetic deletion of IL-33 or its receptor ST2 (suppression of tumorigenicity) significantly ameliorated pain hypersensitivities and inflammation. Mechanistically, IL-33 was largely released from infiltrated macrophages in inflamed ankle upon MSU stimulation. IL-33 promoted neutrophil influx and triggered neutrophil-dependent ROS production via ST2 during gout, which in turn, activated transient receptor potential ankyrin 1 (TRPA1) channel in dorsal root ganglion (DRG) neurons and produced nociception. Further, TRPA1 channel activity was significantly enhanced in DRG neurons that innervate the inflamed ankle via ST2 dependent mechanism, which results in exaggerated nociceptive response to endogenous ROS products during gout. Conclusions: We demonstrated a previous unidentified role of IL-33/ST2 in mediating pain hypersensitivity and inflammation in a mouse gout model through promoting neutrophil-dependent ROS production and TRPA1 channel activation. Targeting IL-33/ST2 may represent a novel therapeutic approach to ameliorate gout pain and inflammation.
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18
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He Z, Song Y, Yi Y, Qiu F, Wang J, Li J, Jin Q, Sacitharan PK. Blockade of IL-33 signalling attenuates osteoarthritis. Clin Transl Immunology 2020; 9:e1185. [PMID: 33133598 PMCID: PMC7587452 DOI: 10.1002/cti2.1187] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2020] [Revised: 09/09/2020] [Accepted: 09/09/2020] [Indexed: 12/20/2022] Open
Abstract
Objectives Osteoarthritis (OA) is the most common form of arthritis characterised by cartilage degradation, synovitis and pain. Disease modifying treatments for OA are not available. The critical unmet need is to find therapeutic targets to reduce both disease progression and pain. The cytokine IL‐33 and its receptor ST2 have been shown to play a role in immune and inflammatory diseases, but their role in osteoarthritis is unknown. Methods Non‐OA and OA human chondrocytes samples were examined for IL‐33 and ST2 expression. Novel inducible cartilage specific knockout mice (IL‐33Acan CreERT2) and inducible fibroblast‐like synoviocyte knockout mice (IL‐33Col1a2 CreERT2) were generated and subjected to an experimental OA model. In addition, wild‐type mice were intra‐articularly administered with either IL‐33‐ or ST2‐neutralising antibodies during experimental OA studies. Results IL‐33 and its receptor ST2 have increased expression in OA patients and a murine disease model. Administering recombinant IL‐33 increased OA and pain in vivo. Synovial fibroblast‐specific deletion of IL‐33 decreased synovitis but did not impact disease outcomes, whilst cartilage‐specific deletion of IL‐33 improved disease outcomes in vivo. Blocking IL‐33 signalling also reduced the release of cartilage‐degrading enzymes in human and mouse chondrocytes. Most importantly, we show the use of monoclonal antibodies against IL‐33 and ST2 attenuates both OA and pain in vivo. Conclusion Overall, our data reveal blockade of IL‐33 signalling as a viable therapeutic target for OA.
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Affiliation(s)
- Zengliang He
- Department of Orthopedics The Second Hospital of Nanjing The Affiliated Hospital of Nanjing University of Chinese Medicine Nanjing China
| | - Yan Song
- Department of Orthopedics The Second Hospital of Nanjing The Affiliated Hospital of Nanjing University of Chinese Medicine Nanjing China
| | - Yongxiang Yi
- Department of General Surgery The Second Hospital of Nanjing The Affiliated Hospital of Nanjing University of Chinese Medicine Nanjing China
| | - Fengzhuo Qiu
- Department of Neurology The Sir Run Run Hospital Nanjing Medical University Nanjing China
| | - Junhua Wang
- College of Veterinary Medicine Qingdao Agricultural University Qingdao China
| | - Junwei Li
- College of Veterinary Medicine Qingdao Agricultural University Qingdao China
| | - Qingwen Jin
- Department of Neurology The Sir Run Run Hospital Nanjing Medical University Nanjing China
| | - Pradeep Kumar Sacitharan
- The Institute of Ageing and Chronic Disease University of Liverpool Liverpool UK.,Department of Biological Sciences Xi'an Jiaotong-Liverpool University Suzhou Industrial Park Suzhou China
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19
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Lopes AH, Silva RL, Fonseca MD, Gomes FI, Maganin AG, Ribeiro LS, Marques LMM, Cunha FQ, Alves-Filho JC, Zamboni DS, Lopes NP, Franklin BS, Gombault A, Ramalho FS, Quesniaux VFJ, Couillin I, Ryffel B, Cunha TM. Molecular basis of carrageenan-induced cytokines production in macrophages. Cell Commun Signal 2020; 18:141. [PMID: 32894139 PMCID: PMC7487827 DOI: 10.1186/s12964-020-00621-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Accepted: 07/02/2020] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Low molecular weight carrageenan (Cg) is a seaweed-derived sulfated polysaccharide widely used as inflammatory stimulus in preclinical studies. However, the molecular mechanisms of Cg-induced inflammation are not fully elucidated. The present study aimed to investigate the molecular basis involved in Cg-induced macrophages activation and cytokines production. METHODS Primary culture of mouse peritoneal macrophages were stimulated with Kappa Cg. The supernatant and cell lysate were used for ELISA, western blotting, immunofluorescence. Cg-induced mouse colitis was also developed. RESULTS Here we show that Cg activates peritoneal macrophages to produce pro-inflammatory cytokines such as TNF and IL-1β. While Cg-induced TNF production/secretion depends on TLR4/MyD88 signaling, the production of pro-IL-1β relies on TLR4/TRIF/SYK/reactive oxygen species (ROS) signaling pathway. The maturation of pro-IL1β into IL-1β is dependent on canonical NLRP3 inflammasome activation via Pannexin-1/P2X7/K+ efflux signaling. In vivo, Cg-induced colitis was reduced in mice in the absence of NLRP3 inflammasome components. CONCLUSIONS In conclusion, we unravel a critical role of the NLRP3 inflammasome in Cg-induced pro-inflammatory cytokines production and colitis, which is an important discovery on the pro-inflammatory properties of this sulfated polysaccharide for pre-clinical studies. Video abstract Carrageenan (Cg) is one the most used flogistic stimulus in preclinical studies. Nevertheless, the molecular basis of Cg-induced inflammation is not totally elucidated. Herein, Lopes et al. unraveled the molecular basis for Cg-induced macrophages production of biological active IL-1β. The Cg-stimulated macrophages produces pro-IL-1β depends on TLR4/TRIF/Syk/ROS, whereas its processing into mature IL-1β is dependent on the canonical NLRP3 inflammasome.
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Affiliation(s)
- Alexandre H. Lopes
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Center for Research in Inflammatory Diseases (CRID)Av. Bandeirantes 3900, 14049-900, Ribeirão Preto, SP Brazil
| | - Rangel L. Silva
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Center for Research in Inflammatory Diseases (CRID)Av. Bandeirantes 3900, 14049-900, Ribeirão Preto, SP Brazil
| | - Miriam D. Fonseca
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Center for Research in Inflammatory Diseases (CRID)Av. Bandeirantes 3900, 14049-900, Ribeirão Preto, SP Brazil
| | - Francisco I. Gomes
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Center for Research in Inflammatory Diseases (CRID)Av. Bandeirantes 3900, 14049-900, Ribeirão Preto, SP Brazil
| | - Alexandre G. Maganin
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Center for Research in Inflammatory Diseases (CRID)Av. Bandeirantes 3900, 14049-900, Ribeirão Preto, SP Brazil
| | - Lucas S. Ribeiro
- Institute of Innate Immunity, University Hospitals, University of Bonn, 53127 Bonn, Germany
| | | | - Fernando Q. Cunha
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Center for Research in Inflammatory Diseases (CRID)Av. Bandeirantes 3900, 14049-900, Ribeirão Preto, SP Brazil
| | - Jose C. Alves-Filho
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Center for Research in Inflammatory Diseases (CRID)Av. Bandeirantes 3900, 14049-900, Ribeirão Preto, SP Brazil
| | - Dario S. Zamboni
- Department of Cellular and Molecular Biology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP Brazil
| | - Norberto P. Lopes
- Department of Physics and Chemistry, University of São Paulo, Ribeirão Preto, SP Brazil
| | - Bernardo S. Franklin
- Institute of Innate Immunity, University Hospitals, University of Bonn, 53127 Bonn, Germany
| | - Aurélie Gombault
- University of Orleans and CNRS, UMR7355 Experimental and Molecular Immunology, Orleans, France
| | - Fernando Silva Ramalho
- Department of Pathology, School of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP Brazil
| | - Valerie F. J. Quesniaux
- University of Orleans and CNRS, UMR7355 Experimental and Molecular Immunology, Orleans, France
| | - Isabelle Couillin
- University of Orleans and CNRS, UMR7355 Experimental and Molecular Immunology, Orleans, France
| | - Bernhard Ryffel
- University of Orleans and CNRS, UMR7355 Experimental and Molecular Immunology, Orleans, France
| | - Thiago M. Cunha
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Center for Research in Inflammatory Diseases (CRID)Av. Bandeirantes 3900, 14049-900, Ribeirão Preto, SP Brazil
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20
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Fattori V, Staurengo-Ferrari L, Zaninelli TH, Casagrande R, Oliveira RD, Louzada-Junior P, Cunha TM, Alves-Filho JC, Teixeira MM, Cunha FQ, Amaral FA, Verri WA. IL-33 enhances macrophage release of IL-1β and promotes pain and inflammation in gouty arthritis. Inflamm Res 2020; 69:1271-1282. [PMID: 32886146 DOI: 10.1007/s00011-020-01399-x] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 07/29/2020] [Accepted: 08/30/2020] [Indexed: 12/17/2022] Open
Abstract
OBJECTIVE To investigate the role of IL-33 in gouty arthritis. MATERIAL 174 Balb/c (wild-type) and 54 ST2-/- mice were used in this study. In vitro experiments were conducted in bone marrow-derived macrophages (BMDMs). Synovial fluid samples from gouty arthritis (n = 7) and osteoarthritis (n = 8) hospital patients were used to measure IL-33 and sST2 levels. METHODS Gout was induced by injection of monosodium urate (MSU) crystals in the knee joint of mice. Pain was determined using the electronic von Frey and static weight bearing. Neutrophil recruitment was determined by H&E staining, Rosenfeld staining slides, and MPO activity. ELISA was used for cytokine and sST2 measurement. The priming effect of IL-33 was determined in BMDM. RESULTS Synovial fluid of gout patients showed higher IL-33 levels and neutrophil counts than osteoarthritis patients. In mice, the absence of ST2 prevented mechanical pain, knee joint edema, neutrophil recruitment to the knee joint, and lowered IL-1β and superoxide anion levels. In macrophages, IL-33 enhanced the release of IL-1β and TNF-α, and BMDMs from ST2-/- showed reduced levels of these cytokines after stimulus with MSU crystals. CONCLUSION IL-33 mediates gout pain and inflammation by boosting macrophages production of cytokines upon MSU crystals stimulus.
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Affiliation(s)
- Victor Fattori
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Londrina State University, Londrina, Brazil
| | - Larissa Staurengo-Ferrari
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Londrina State University, Londrina, Brazil
| | - Tiago H Zaninelli
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Londrina State University, Londrina, Brazil
| | - Rubia Casagrande
- Department of Pharmaceutical Science, Londrina State University, Londrina, Brazil
| | - Rene D Oliveira
- Division of Clinical Immunology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Paulo Louzada-Junior
- Division of Clinical Immunology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Thiago M Cunha
- Department of Pharmacology, Center for Research in Inflammatory Diseases, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Jose C Alves-Filho
- Department of Pharmacology, Center for Research in Inflammatory Diseases, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Mauro M Teixeira
- Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas (ICB), Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Fernando Q Cunha
- Department of Pharmacology, Center for Research in Inflammatory Diseases, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Flavio A Amaral
- Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas (ICB), Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Waldiceu A Verri
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Londrina State University, Londrina, Brazil.
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rodovia Celso Garcia Cid, PR 445, KM 380, PO Box 10.011, Londrina, Parana, 86057-970, Brazil.
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21
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Duitama M, Vargas-López V, Casas Z, Albarracin SL, Sutachan JJ, Torres YP. TRP Channels Role in Pain Associated With Neurodegenerative Diseases. Front Neurosci 2020; 14:782. [PMID: 32848557 PMCID: PMC7417429 DOI: 10.3389/fnins.2020.00782] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Accepted: 07/02/2020] [Indexed: 01/09/2023] Open
Abstract
Transient receptor potential (TRP) are cation channels expressed in both non-excitable and excitable cells from diverse tissues, including heart, lung, and brain. The TRP channel family includes 28 isoforms activated by physical and chemical stimuli, such as temperature, pH, osmotic pressure, and noxious stimuli. Recently, it has been shown that TRP channels are also directly or indirectly activated by reactive oxygen species. Oxidative stress plays an essential role in neurodegenerative disorders, such as Alzheimer's and Parkinson's diseases, and TRP channels are involved in the progression of those diseases by mechanisms involving changes in the crosstalk between Ca2+ regulation, oxidative stress, and production of inflammatory mediators. TRP channels involved in nociception include members of the TRPV, TRPM, TRPA, and TRPC subfamilies that transduce physical and chemical noxious stimuli. It has also been reported that pain is a complex issue in patients with Alzheimer's and Parkinson's diseases, and adequate management of pain in those conditions is still in discussion. TRPV1 has a role in neuroinflammation, a critical mechanism involved in neurodegeneration. Therefore, some studies have considered TRPV1 as a target for both pain treatment and neurodegenerative disorders. Thus, this review aimed to describe the TRP-dependent mechanism that can mediate pain sensation in neurodegenerative diseases and the therapeutic approach available to palliate pain and neurodegenerative symptoms throughout the regulation of these channels.
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22
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Trindade-da-Silva CA, Clemente-Napimoga JT, Abdalla HB, Rosa SM, Ueira-Vieira C, Morisseau C, Verri WA, Montalli VAM, Hammock BD, Napimoga MH. Soluble epoxide hydrolase inhibitor, TPPU, increases regulatory T cells pathway in an arthritis model. FASEB J 2020; 34:9074-9086. [PMID: 32400048 PMCID: PMC7383812 DOI: 10.1096/fj.202000415r] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 04/11/2020] [Accepted: 04/16/2020] [Indexed: 12/18/2022]
Abstract
Epoxyeicosatrienoic acids (EET) and related epoxy fatty acids (EpFA) are endogenous anti‐inflammatory compounds, which are converted by the soluble epoxide hydrolase (sEH) to dihydroxylethersatrienoic acids (DHETs) with lessened biological effects. Inhibition of sEH is used as a strategy to increase EET levels leading to lower inflammation. Rheumatoid arthritis is a chronic autoimmune disease that leads to destruction of joint tissues. This pathogenesis involves a complex interplay between the immune system, and environmental factors. Here, we investigate the effects of inhibiting sEH with 1‐trifluoromethoxyphenyl‐3‐(1‐propionylpiperidin‐4‐yl) urea (TPPU) on a collagen‐induced arthritis model. The treatment with TPPU ameliorates hyperalgesia, edema, and decreases the expression of important pro‐inflammatory cytokines of Th1 and Th17 profiles, while increasing Treg cells. Considering the challenges to control RA, this study provides robust data supporting that inhibition of the sEH is a promising target to treat arthritis.
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Affiliation(s)
- Carlos A Trindade-da-Silva
- Laboratory of Neuroimmune Interface of Pain Research, Faculdade São Leopoldo Mandic, Instituto São Leopoldo Mandic, Campinas, Brazil
| | - Juliana T Clemente-Napimoga
- Laboratory of Neuroimmune Interface of Pain Research, Faculdade São Leopoldo Mandic, Instituto São Leopoldo Mandic, Campinas, Brazil
| | - Henrique B Abdalla
- Laboratory of Neuroimmune Interface of Pain Research, Faculdade São Leopoldo Mandic, Instituto São Leopoldo Mandic, Campinas, Brazil
| | - Sergio Marcolino Rosa
- Laboratory of Neuroimmune Interface of Pain Research, Faculdade São Leopoldo Mandic, Instituto São Leopoldo Mandic, Campinas, Brazil
| | - Carlos Ueira-Vieira
- Laboratory of Genetics, Institute of Biotechnology, Federal University of Uberlandia, Uberlandia, Brazil
| | - Christophe Morisseau
- Department of Entomology and Nematology, UC Davis Comprehensive Cancer Center, University of California, Davis, CA, USA
| | - Waldiceu A Verri
- Department of Pathological Sciences, Biological Sciences Center, State University of Londrina - UEL, Londrina, Brazil
| | - Victor Angelo Martins Montalli
- Laboratory of Neuroimmune Interface of Pain Research, Faculdade São Leopoldo Mandic, Instituto São Leopoldo Mandic, Campinas, Brazil
| | - Bruce D Hammock
- Department of Entomology and Nematology, UC Davis Comprehensive Cancer Center, University of California, Davis, CA, USA.,EicOsis LLC, Davis, CA, USA
| | - Marcelo H Napimoga
- Laboratory of Neuroimmune Interface of Pain Research, Faculdade São Leopoldo Mandic, Instituto São Leopoldo Mandic, Campinas, Brazil
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23
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Martinez RM, Hohmann MS, Longhi-Balbinot DT, Zarpelon AC, Baracat MM, Georgetti SR, Vicentini FTMC, Sassonia RC, Verri WA, Casagrande R. Analgesic activity and mechanism of action of a Beta vulgaris dye enriched in betalains in inflammatory models in mice. Inflammopharmacology 2020; 28:1663-1675. [PMID: 32141011 DOI: 10.1007/s10787-020-00689-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2019] [Accepted: 02/04/2020] [Indexed: 01/27/2023]
Abstract
Evidence demonstrates the pronounced anti-inflammatory activity of a beetroot (Beta vulgaris) dye enriched in betalains obtained using precipitation with ethanol. Herein, we expand upon our previous observations and demonstrate the analgesic and antioxidant effect of betalains. Betalains [10-1000 mg/kg; intraperitoneal route (i.p.)] diminished acetic acid- and PBQ-induced abdominal contortions, and the overt pain-like behaviour induced by complete Freund`s adjuvant (CFA) and formalin (intraplantar; i.pl.) injection. Moreover, betalains (100 mg/kg) administered by various routes [i.p. or subcutaneous (s.c.)] or as a post-treatment reduced carrageenin- or CFA-induced hyperalgesia. Mechanistically, betalains mitigated carrageenin-induced tumour necrosis factor-alpha (TNF-α), interleukin (IL)-1β, superoxide anion levels, and lipid peroxidation. Betalains also stopped the depletion of reduced glutathione (GSH) levels and ferric reducing ability produced by carrageenin, as well as upregulated Nrf2 and Ho1 transcript expression in the plantar tissue of mice. Furthermore, betalains showed hydroxyl radical, 2,2'-azino-di-(3-ethylbenzthiazoline-6-sulphonic acid) radical (ABTS+), and 2,2-diphenyl-1-picryl-hydrazyl radical (DPPH•) scavenging ability and iron-chelating activity (bathophenantroline assay), and inhibited iron-independent and iron-dependent lipid peroxidation (LPO) in vitro. Finally, betalains-treated bone marrow-derived macrophages exhibited lower levels of cytokines (TNF-α and IL-1β), and superoxide anion levels and nuclear factor kappa B (NF-κB) activation following lipopolysaccharide (LPS) stimulation. Therefore, this betalain-rich dye extracted using a novel precipitation approach presents prominent analgesic effect in varied models of pain by mechanisms targeting cytokines and oxidative stress.
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Affiliation(s)
- Renata M Martinez
- Departamento de Ciências Farmacêuticas, Centro de Ciências da Saúde, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
| | - Miriam S Hohmann
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
| | - Daniela T Longhi-Balbinot
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
| | - Ana C Zarpelon
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
| | - Marcela M Baracat
- Departamento de Ciências Farmacêuticas, Centro de Ciências da Saúde, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
| | - Sandra R Georgetti
- Departamento de Ciências Farmacêuticas, Centro de Ciências da Saúde, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
| | - Fabiana T M C Vicentini
- Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Rogério Côrte Sassonia
- Centro de Ciências Integradas, Universidade Federal do Tocantins, Araguaína, Tocantins, Brazil
| | - Waldiceu A Verri
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná, Brazil.
| | - Rubia Casagrande
- Departamento de Ciências Farmacêuticas, Centro de Ciências da Saúde, Universidade Estadual de Londrina, Londrina, Paraná, Brazil.
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24
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Zeng Y, Shi Y, Zhan H, Liu W, Cai G, Zhong H, Wang Y, Chen S, Huang S, Wu W. Reduction of Silent Information Regulator 1 Activates Interleukin-33/ST2 Signaling and Contributes to Neuropathic Pain Induced by Spared Nerve Injury in Rats. Front Mol Neurosci 2020; 13:17. [PMID: 32116550 PMCID: PMC7028692 DOI: 10.3389/fnmol.2020.00017] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Accepted: 01/20/2020] [Indexed: 12/12/2022] Open
Abstract
Emerging studies have demonstrated that interleukin (IL)-33 and its receptor ST2 act as key factors in inflammatory diseases. Moreover, accumulating evidence has suggested that cytokines, including tumor necrosis factor (TNF)-α and IL-1β, trigger an inflammatory cascade. SIRT1 has been shown to suppress the expression of inflammatory cytokines. However, the effects of SIRT1 on IL-33/ST2 signaling and initiation of the inflammatory cascade via modulation of TNF-α and IL-1β by IL-33 remain unclear. In the present study, we found that the dorsal root ganglion (DRG) IL-33 and ST2 were upregulated in a rat model of spared nerve injury (SNI) and intrathecal injection of either IL-33 or ST2 antibodies alleviated mechanical allodynia and downregulated TNF-α and IL-1β induced by SNI. In addition, activation of SIRT1 decreased enhanced DRG IL-33/ST2 signaling in SNI rats. Artificial inactivation of SIRT1 via intrathecal injection of an SIRT1 antagonist could induce mechanical allodynia and upregulate IL-33 and ST2. These results demonstrated that reduction in SIRT1 could induce upregulation of DRG IL-33 and ST2 and contribute to mechanical allodynia induced by SNI in rats.
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Affiliation(s)
- Yanyan Zeng
- Department of Rehabilitation, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Yu Shi
- Department of Rehabilitation, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Hongrui Zhan
- Department of Rehabilitation, Zhujiang Hospital, Southern Medical University, Guangzhou, China.,Department of Rehabilitation, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, China
| | - Wei Liu
- Department of Rehabilitation, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Guiyuan Cai
- Department of Rehabilitation, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Haili Zhong
- Department of Rehabilitation, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Yaping Wang
- Department of Rehabilitation, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Shangjie Chen
- Department of Rehabilitation, Baoan Hospital, Southern Medical University, Shenzhen, China
| | - Shimin Huang
- Department of Rehabilitation, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Wen Wu
- Department of Rehabilitation, Zhujiang Hospital, Southern Medical University, Guangzhou, China
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25
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Gonçalves Dos Santos G, Delay L, Yaksh TL, Corr M. Neuraxial Cytokines in Pain States. Front Immunol 2020; 10:3061. [PMID: 32047493 PMCID: PMC6997465 DOI: 10.3389/fimmu.2019.03061] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Accepted: 12/16/2019] [Indexed: 12/11/2022] Open
Abstract
A high-intensity potentially tissue-injuring stimulus generates a homotopic response to escape the stimulus and is associated with an affective phenotype considered to represent pain. In the face of tissue or nerve injury, the afferent encoding systems display robust changes in the input–output function, leading to an ongoing sensation reported as painful and sensitization of the nociceptors such that an enhanced pain state is reported for a given somatic or visceral stimulus. Our understanding of the mechanisms underlying this non-linear processing of nociceptive stimuli has led to our appreciation of the role played by the functional interactions of neural and immune signaling systems in pain phenotypes. In pathological states, neural systems interact with the immune system through the actions of a variety of soluble mediators, including cytokines. Cytokines are recognized as important mediators of inflammatory and neuropathic pain, supporting system sensitization and the development of a persistent pathologic pain. Cytokines can induce a facilitation of nociceptive processing at all levels of the neuraxis including supraspinal centers where nociceptive input evokes an affective component of the pain state. We review here several key proinflammatory and anti-inflammatory cytokines/chemokines and explore their underlying actions at four levels of neuronal organization: (1) peripheral nociceptor termini; (2) dorsal root ganglia; (3) spinal cord; and (4) supraspinal areas. Thus, current thinking suggests that cytokines by this action throughout the neuraxis play key roles in the induction of pain and the maintenance of the facilitated states of pain behavior generated by tissue injury/inflammation and nerve injury.
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Affiliation(s)
| | - Lauriane Delay
- Department of Anesthesiology, University of California, San Diego, La Jolla, CA, United States
| | - Tony L Yaksh
- Department of Anesthesiology, University of California, San Diego, La Jolla, CA, United States
| | - Maripat Corr
- Division of Rheumatology, Allergy and Immunology, University of California, San Diego, La Jolla, CA, United States
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26
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Saldanha AA, Vieira L, de Oliveira FM, Lopes DDO, Ribeiro RIMDA, Thomé RG, Dos Santos HB, Silva DB, Carollo CA, de Siqueira JM, Soares AC. Anti-inflammatory and central and peripheral anti-nociceptive activities of α-asarone through the inhibition of TNF-α production, leukocyte recruitment and iNOS expression, and participation of the adenosinergic and opioidergic systems. Inflammopharmacology 2019; 28:1039-1052. [PMID: 31865494 DOI: 10.1007/s10787-019-00679-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Accepted: 12/11/2019] [Indexed: 12/18/2022]
Abstract
Alpha-asarone has been found to possess many pharmacological activities, which can improve cognitive function and exert anti-oxidant, anxiolytic, anti-epileptic and protective effects against endothelial cell injury. The anti-inflammatory activity of α-asarone was evaluated using lipopolysaccharide (LPS)-induced paw oedema. Moreover, leukocyte migration, inducible nitric oxide synthase (iNOS) expression and tumour necrosis factor-alpha (TNF-α) levels were quantified in footpads. Formalin and LPS-induced thermal hyperalgesia models were generated using adenosinergic, opioidergic, serotonergic and muscarinic receptor antagonists. The effects on motor coordination were evaluated by means of the rota-rod test. Oral treatment (p.o.) with α-asarone (3 mg/kg) significantly inhibited paw oedema by 62.12 and 72.22%, 2 and 4 h post LPS injection, respectively. Alpha-asarone (3 mg/kg, p.o.) attenuated the inflammatory infiltrate 1, 3 and 6 h after LPS injection. Furthermore, α-asarone (3 mg/kg, p.o.) suppressed iNOS expression and TNF-α production, 6 and 1 h after inflammatory stimulus, respectively. Alpha-asarone (3, 10 and 30 mg/kg, p.o.) inhibited both phases of formalin-induced licking. In the hot-plate test, α-asarone (10 and 30 mg/kg, p.o.) increased the latency to response 3 and 5 h post LPS stimulus. Caffeine and naloxone abolished the central anti-nociceptive effect of α-asarone (neurogenic phase of formalin and hot plate tests), suggesting the participation of the adenosinergic and opioidergic systems. Furthermore, naloxone reversed the peripheral activity of α-asarone (inflammatory phase of formalin test), indicating the possible involvement of the opioidergic pathway. In the rota-rod test, α-asarone did not change motor coordination. These findings suggest that α-asarone has anti-inflammatory, peripheral and central anti-nociceptive effects and could represent a promising agent for future research.
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Affiliation(s)
- Aline Aparecida Saldanha
- Laboratório de Farmacologia da Dor e Inflamação, Universidade Federal de São João del-Rei, Divinópolis, 35501-296, Brazil.,Laboratório de Farmacognosia/Química de Produtos Naturais, Universidade Federal de São João del-Rei, Divinópolis, Brazil
| | - Letícia Vieira
- Laboratório de Farmacologia da Dor e Inflamação, Universidade Federal de São João del-Rei, Divinópolis, 35501-296, Brazil
| | | | - Débora de Oliveira Lopes
- Laboratório de Biologia Molecular, Universidade Federal de São João del-Rei, Divinópolis, Brazil
| | | | - Ralph Gruppi Thomé
- Laboratório de Processamento de Tecidos (LAPROTEC), Universidade Federal de São João del-Rei, Divinópolis, Brazil
| | - Hélio Batista Dos Santos
- Laboratório de Processamento de Tecidos (LAPROTEC), Universidade Federal de São João del-Rei, Divinópolis, Brazil
| | - Denise Brentan Silva
- Laboratório de Produtos Naturais e Espectrometria de Massas (LAPNEM), Universidade Federal do Mato Grosso do Sul, Campo Grande, Brazil
| | - Carlos Alexandre Carollo
- Laboratório de Produtos Naturais e Espectrometria de Massas (LAPNEM), Universidade Federal do Mato Grosso do Sul, Campo Grande, Brazil
| | - João Máximo de Siqueira
- Laboratório de Farmacognosia/Química de Produtos Naturais, Universidade Federal de São João del-Rei, Divinópolis, Brazil
| | - Adriana Cristina Soares
- Laboratório de Farmacologia da Dor e Inflamação, Universidade Federal de São João del-Rei, Divinópolis, 35501-296, Brazil.
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Alvarez P, Bogen O, Levine JD. Nociceptor Interleukin 33 Receptor/ST2 Signaling in Vibration-Induced Muscle Pain in the Rat. THE JOURNAL OF PAIN 2019; 21:506-512. [PMID: 31562993 DOI: 10.1016/j.jpain.2019.09.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Revised: 09/13/2019] [Accepted: 09/15/2019] [Indexed: 12/15/2022]
Abstract
Occupational exposure to mechanical vibration can produce the hand-arm vibration syndrome (HAVS), whose most disabling symptom is persistent muscle pain. Unfortunately, the pathophysiology of HAVS pain is still poorly understood, precluding the development of mechanism-based therapies. Since interleukin 33 (IL-33) is essential for inflammation and recovery that follows skeletal muscle injury, we explored its role in muscle pain in a model of HAVS, in adult male rats. Concomitant to mechanical hyperalgesia, an increase in IL-33 in the ipsilateral gastrocnemius muscle was observed 24 hours after vibration. A similar hyperalgesia was produced by intramuscular injection of recombinant rat IL-33 (rrIL-33, 10-300 ng). Intrathecal administration of an oligodeoxynucleotide antisense to IL-33R/ST2 mRNA decreased the expression of ST2 in DRG and attenuated both rrIL-33 and vibration-induced mechanical hyperalgesia. Together these data support the suggestion that IL-33 plays a central role in vibration-induced muscle pain by action, at least in part, on skeletal muscle nociceptors. PERSPECTIVE: Our findings provide evidence of the contribution of IL-33, acting on its canonical receptor, in nociceptors, to muscle pain induced by ergonomic vibration. This suggests that targeting IL-33/ST2 signaling may be a useful strategy for the treatment of muscle pain in HAVS.
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Affiliation(s)
- Pedro Alvarez
- Department of Oral and Maxillofacial Surgery, University of California, San Francisco, California
| | - Oliver Bogen
- Department of Oral and Maxillofacial Surgery, University of California, San Francisco, California
| | - Jon D Levine
- Department of Medicine, University of California, San Francisco, California.
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28
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Hacker S, Dieplinger B, Werba G, Nickl S, Roth GA, Krenn CG, Mueller T, Ankersmit HJ, Haider T. Increased serum concentrations of soluble ST2 predict mortality after burn injury. ACTA ACUST UNITED AC 2018; 56:2079-2087. [DOI: 10.1515/cclm-2018-0042] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Accepted: 05/24/2018] [Indexed: 12/15/2022]
Abstract
Abstract
Background:
Large burn injuries induce a systemic response in affected patients. Soluble ST2 (sST2) acts as a decoy receptor for interleukin-33 (IL-33) and has immunosuppressive effects. sST2 has been described previously as a prognostic serum marker. Our aim was to evaluate serum concentrations of sST2 and IL-33 after thermal injury and elucidate whether sST2 is associated with mortality in these patients.
Methods:
We included 32 burn patients (total body surface area [TBSA] >10%) admitted to our burn intensive care unit and compared them to eight healthy probands. Serum concentrations of sST2 and IL-33 were measured serially using an enzyme-linked immunosorbent assay (ELISA) technique.
Results:
The mean TBSA was 32.5%±19.6%. Six patients (18.8%) died during the hospital stay. Serum analyses showed significantly increased concentrations of sST2 and reduced concentrations of IL-33 in burn patients compared to healthy controls. In our study cohort, higher serum concentrations of sST2 were a strong independent predictor of mortality.
Conclusions:
Burn injuries cause an increment of sST2 serum concentrations with a concomitant reduction of IL-33. Higher concentrations of sST2 are associated with increased in-hospital mortality in burn patients.
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Vinpocetine Ameliorates Acetic Acid-Induced Colitis by Inhibiting NF-κB Activation in Mice. Inflammation 2018; 41:1276-1289. [PMID: 29633103 DOI: 10.1007/s10753-018-0776-9] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
The idiopathic inflammatory bowel diseases (IBD) comprise two types of chronic intestinal disorders: Crohn's disease and ulcerative colitis. Recruited neutrophils and macrophages contribute to intestinal tissue damage via production of ROS and NF-κB-dependent pro-inflammatory cytokines. The introduction of anti-TNF-α therapies in the treatment of IBD patients was a seminal advance. This therapy is often limited by a loss of efficacy due to the development of adaptive immune response, underscoring the need for novel therapies targeting similar pathways. Vinpocetine is a nootropic drug and in addition to its antioxidant effect, it is known to have anti-inflammatory and analgesic properties, partly by inhibition of NF-κB and downstream cytokines. Therefore, the present study evaluated the effect of the vinpocetine in a model of acid acetic-induced colitis in mice. Treatment with vinpocetine reduced edema, MPO activity, microscopic score and macroscopic damage, and visceral mechanical hyperalgesia. Vinpocetine prevented the reduction of colonic levels of GSH, ABTS radical scavenging ability, and normalized levels of anti-inflammatory cytokine IL-10. Moreover, vinpocetine reduced NF-κB activation and thereby NF-κB-dependent pro-inflammatory cytokines IL-1β, TNF-α, and IL-33 in the colon. Thus, we demonstrate for the first time that vinpocetine has anti-inflammatory, antioxidant, and analgesic effects in a model of acid acetic-induced colitis in mice and deserves further screening to address its suitability as an approach for the treatment of IBD.
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30
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Fairlie-Clarke K, Barbour M, Wilson C, Hridi SU, Allan D, Jiang HR. Expression and Function of IL-33/ST2 Axis in the Central Nervous System Under Normal and Diseased Conditions. Front Immunol 2018; 9:2596. [PMID: 30515150 PMCID: PMC6255965 DOI: 10.3389/fimmu.2018.02596] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Accepted: 10/22/2018] [Indexed: 12/11/2022] Open
Abstract
Interleukin-33 (IL-33) is a well-recognized immunomodulatory cytokine which plays critical roles in tissue function and immune-mediated diseases. The abundant expression of IL-33 in brain and spinal cord prompted many scientists to explore its unique role in the central nervous system (CNS) under physiological and pathological conditions. Indeed emerging evidence from over a decade's research suggests that IL-33 acts as one of the key molecular signaling cues coordinating the network between the immune and CNS systems, particularly during the development of neurological diseases. Here, we highlight the recent advances in our knowledge regarding the distribution and cellular localization of IL-33 and its receptor ST2 in specific CNS regions, and more importantly the key roles IL-33/ST2 signaling pathway play in CNS function under normal and diseased conditions.
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Affiliation(s)
| | | | | | | | | | - Hui-Rong Jiang
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, United Kingdom
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31
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Saito P, Melo CPB, Martinez RM, Fattori V, Cezar TLC, Pinto IC, Bussmann AJC, Vignoli JA, Georgetti SR, Baracat MM, Verri WA, Casagrande R. The Lipid Mediator Resolvin D1 Reduces the Skin Inflammation and Oxidative Stress Induced by UV Irradiation in Hairless Mice. Front Pharmacol 2018; 9:1242. [PMID: 30429790 PMCID: PMC6220064 DOI: 10.3389/fphar.2018.01242] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Accepted: 10/12/2018] [Indexed: 12/19/2022] Open
Abstract
UV irradiation-induced oxidative stress and inflammation contribute to the development of skin diseases. Therefore, targeting oxidative stress and inflammation might contribute to reduce skin diseases. Resolvin D1 (RvD1) is a bioactive metabolite generated during inflammation to actively orchestrate the resolution of inflammation. However, the therapeutic potential of RvD1 in UVB skin inflammation remains undetermined, which was, therefore, the aim of the present study. The intraperitoneal treatment with RvD1 (3-100 ng/mouse) reduced UVB irradiation-induced skin edema, myeloperoxidase activity, matrix metalloproteinase 9 activity, and reduced glutathione depletion with consistent effects observed with the dose of 30 ng/mouse, which was selected to the following experiments. RvD1 inhibited UVB reduction of catalase activity, and hydroperoxide formation, superoxide anion production, and gp91phox mRNA expression. RvD1 also increased the Nrf2 and its downstream targets NQO1 and HO-1 mRNA expression. Regarding cytokines, RvD1 inhibited UVB-induced production of IL-1β, IL-6, IL-33, TNF-α, TGF-β, and IL-10. These immuno-biochemical alterations by RvD1 treatment had as consequence the reduction of UVB-induced epidermal thickness, sunburn and mast cell counts, and collagen degradation. Therefore, RvD1 inhibited UVB-induced skin oxidative stress and inflammation, rendering this resolving lipid mediator as a promising therapeutic agent.
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Affiliation(s)
- Priscila Saito
- Laboratory of Oxidative Stress and Inflammation, Department of Pharmaceutical Sciences, Londrina State University, Londrina, Brazil
| | - Cristina P. B. Melo
- Laboratory of Oxidative Stress and Inflammation, Department of Pharmaceutical Sciences, Londrina State University, Londrina, Brazil
| | - Renata M. Martinez
- Laboratory of Oxidative Stress and Inflammation, Department of Pharmaceutical Sciences, Londrina State University, Londrina, Brazil
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Londrina State University, Londrina, Brazil
| | - Victor Fattori
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Londrina State University, Londrina, Brazil
| | - Talita L. C. Cezar
- Laboratory of Oxidative Stress and Inflammation, Department of Pharmaceutical Sciences, Londrina State University, Londrina, Brazil
| | - Ingrid C. Pinto
- Laboratory of Oxidative Stress and Inflammation, Department of Pharmaceutical Sciences, Londrina State University, Londrina, Brazil
| | - Allan J. C. Bussmann
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Londrina State University, Londrina, Brazil
| | - Josiane A. Vignoli
- Department of Biochemistry and Biotechnology, Londrina State University, Londrina, Brazil
| | - Sandra R. Georgetti
- Laboratory of Oxidative Stress and Inflammation, Department of Pharmaceutical Sciences, Londrina State University, Londrina, Brazil
| | - Marcela M. Baracat
- Laboratory of Oxidative Stress and Inflammation, Department of Pharmaceutical Sciences, Londrina State University, Londrina, Brazil
| | - Waldiceu A. Verri
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Londrina State University, Londrina, Brazil
| | - Rubia Casagrande
- Laboratory of Oxidative Stress and Inflammation, Department of Pharmaceutical Sciences, Londrina State University, Londrina, Brazil
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32
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Staurengo-Ferrari L, Trevelin SC, Fattori V, Nascimento DC, de Lima KA, Pelayo JS, Figueiredo F, Casagrande R, Fukada SY, Teixeira MM, Cunha TM, Liew FY, Oliveira RD, Louzada-Junior P, Cunha FQ, Alves-Filho JC, Verri WA. Interleukin-33 Receptor (ST2) Deficiency Improves the Outcome of Staphylococcus aureus-Induced Septic Arthritis. Front Immunol 2018; 9:962. [PMID: 29867945 PMCID: PMC5968393 DOI: 10.3389/fimmu.2018.00962] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Accepted: 04/18/2018] [Indexed: 01/29/2023] Open
Abstract
The ST2 receptor is a member of the Toll/IL-1R superfamily and interleukin-33 (IL-33) is its agonist. Recently, it has been demonstrated that IL-33/ST2 axis plays key roles in inflammation and immune mediated diseases. Here, we investigated the effect of ST2 deficiency in Staphylococcus aureus-induced septic arthritis physiopathology. Synovial fluid samples from septic arthritis and osteoarthritis individuals were assessed regarding IL-33 and soluble (s) ST2 levels. The IL-33 levels in samples from synovial fluid were significantly increased, whereas no sST2 levels were detected in patients with septic arthritis when compared with osteoarthritis individuals. The intra-articular injection of 1 × 107 colony-forming unity/10 μl of S. aureus American Type Culture Collection 6538 in wild-type (WT) mice induced IL-33 and sST2 production with a profile resembling the observation in the synovial fluid of septic arthritis patients. Data using WT, and ST2 deficient (−/−) and interferon-γ (IFN-γ)−/− mice showed that ST2 deficiency shifts the immune balance toward a type 1 immune response that contributes to eliminating the infection due to enhanced microbicide effect via NO production by neutrophils and macrophages. In fact, the treatment of ST2−/− bone marrow-derived macrophage cells with anti-IFN-γ abrogates the beneficial phenotype in the absence of ST2, which confirms that ST2 deficiency leads to IFN-γ expression and boosts the bacterial killing activity of macrophages against S. aureus. In agreement, WT cells achieved similar immune response to ST2 deficiency by IFN-γ treatment. The present results unveil a previously unrecognized beneficial effect of ST2 deficiency in S. aureus-induced septic arthritis.
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Affiliation(s)
- Larissa Staurengo-Ferrari
- Departamento de Patologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Brazil
| | - Silvia C Trevelin
- Cardiovascular Division, British Heart Foundation Centre, King's College London, London, United Kingdom.,Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Victor Fattori
- Departamento de Patologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Brazil
| | - Daniele C Nascimento
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Kalil A de Lima
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Jacinta S Pelayo
- Departamento de Microbiologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Brazil
| | - Florêncio Figueiredo
- Laboratory of Pathology, Faculty of Medicine, University of Brasilia, Brasilia, Brazil
| | - Rubia Casagrande
- Department of Pharmaceutical Sciences, Healthy Sciences Centre, Londrina State University, Londrina, Brazil
| | - Sandra Y Fukada
- Department of Physics and Chemistry, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Mauro M Teixeira
- Laboratório de Imunofarmacologia, Departamento de Bioquímica e Imunologia, Instituto de Ciencias Biologicas (ICB), Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Thiago M Cunha
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Foo Y Liew
- Division of Immunology, Infection and Inflammation, University of Glasgow, Glasgow, United Kingdom
| | - Rene D Oliveira
- Division of Clinical Immunology, School of Medicine of Ribeirao Preto, University of São Paulo, Ribeirao Preto, Brazil
| | - Paulo Louzada-Junior
- Division of Clinical Immunology, School of Medicine of Ribeirao Preto, University of São Paulo, Ribeirao Preto, Brazil
| | - Fernando Q Cunha
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - José C Alves-Filho
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Waldiceu A Verri
- Departamento de Patologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Brazil
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33
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Guazelli CFS, Staurengo-Ferrari L, Zarpelon AC, Pinho-Ribeiro FA, Ruiz-Miyazawa KW, Vicentini FTMC, Vignoli JA, Camilios-Neto D, Georgetti SR, Baracat MM, Casagrande R, Verri WA. Quercetin attenuates zymosan-induced arthritis in mice. Biomed Pharmacother 2018; 102:175-184. [PMID: 29554596 DOI: 10.1016/j.biopha.2018.03.057] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2017] [Revised: 03/09/2018] [Accepted: 03/11/2018] [Indexed: 12/24/2022] Open
Abstract
Rheumatoid arthritis (RA) is a chronic autoimmune disease characterized by articular lesions, recruitment of inflammatory cells and increased levels of pro-inflammatory cytokine. The intra-articular administration of zymosan is an experimental model that promotes inflammatory parameters resembling RA. Therefore, this model was used to investigate the efficacy of quercetin as a treatment of articular inflammation. Treatment with quercetin dose-dependently reduced zymosan-induced hyperalgesia, articular edema and the recruitment of neutrophils to the knee joint cavity. Histological analysis confirmed that quercetin inhibited zymosan-induced arthritis. The treatment with quercetin also inhibited zymosan-induced depletion of reduced glutathione (GSH) levels, TNFα and IL-1β production, and gp91phox, prepro-endothelin-1 (preproET-1), and cyclooxygenase-2 mRNA expression. These molecular effects of quercetin were related to the inhibition of the nuclear factor kappa-B and induction of Nuclear factor erythroid 2- related factor (Nrf2)/home oxygenase (HO-1) pathway. Thus, quercetin exerted anti-inflammatory, analgesic and antioxidant effects in experimental arthritis, suggesting quercetin is a possible candidate for arthritis treatment.
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Affiliation(s)
- Carla F S Guazelli
- Departamento de Ciências Patológicas - Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina 86051-990, Brazil
| | - Larissa Staurengo-Ferrari
- Departamento de Ciências Patológicas - Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina 86051-990, Brazil
| | - Ana C Zarpelon
- Departamento de Ciências Patológicas - Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina 86051-990, Brazil
| | - Felipe A Pinho-Ribeiro
- Departamento de Ciências Patológicas - Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina 86051-990, Brazil
| | - Kenji W Ruiz-Miyazawa
- Departamento de Ciências Patológicas - Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina 86051-990, Brazil
| | - Fabiana T M C Vicentini
- Farmacore Biotecnologia LTDA, Rua Edson Souto, 728, Lagoinha, 14095-250 Ribeirão Preto, Brazil
| | - Josiane A Vignoli
- Departamento de Bioquímica e Biotecnologia - Centro de Ciências Exatas, Universidade Estadual de Londrina 86057-970, Brazil
| | - Doumit Camilios-Neto
- Departamento de Bioquímica e Biotecnologia - Centro de Ciências Exatas, Universidade Estadual de Londrina 86057-970, Brazil
| | - Sandra R Georgetti
- Departamento de Ciências Farmacêuticas - Centro de Ciências de Saúde, Universidade Estadual de Londrina, Londrina 86038-350, Brazil
| | - Marcela M Baracat
- Departamento de Ciências Farmacêuticas - Centro de Ciências de Saúde, Universidade Estadual de Londrina, Londrina 86038-350, Brazil
| | - Rubia Casagrande
- Departamento de Ciências Farmacêuticas - Centro de Ciências de Saúde, Universidade Estadual de Londrina, Londrina 86038-350, Brazil.
| | - Waldiceu A Verri
- Departamento de Ciências Patológicas - Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina 86051-990, Brazil.
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Huang SJ, Yan JQ, Luo H, Zhou LY, Luo JG. IL-33/ST2 signaling contributes to radicular pain by modulating MAPK and NF-κB activation and inflammatory mediator expression in the spinal cord in rat models of noncompressive lumber disk herniation. J Neuroinflammation 2018; 15:12. [PMID: 29329586 PMCID: PMC5766999 DOI: 10.1186/s12974-017-1021-4] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Accepted: 12/05/2017] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND Immune and inflammatory responses occurring in the spinal cord play a pivotal role in the progression of radicular pain caused by intervertebral disk herniation. Interleukin-33 (IL-33) orchestrates inflammatory responses in a wide range of inflammatory and autoimmune disorders of the nervous system. Thus, the purpose of this study is to investigate the expression of IL-33 and its receptor ST2 in the dorsal spinal cord and to elucidate whether the inhibition of spinal IL-33 expression significantly attenuates pain-related behaviors in rat models of noncompressive lumbar disc herniation. METHODS Lentiviral vectors encoding short hairpin RNAs that target IL-33 (LV-shIL-33) were constructed for gene silencing. Rat models of noncompressive lumber disk herniation were established, and the spines of rats were injected with LV-shIL-33 (5 or 10 μl) on the first day after the operation. Mechanical thresholds were evaluated during an observation period of 21 days. Moreover, the expression levels of spinal tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), interleukin-6 (IL-6), and cyclooxygenase 2 (COX-2) and the activation of the mitogen-activated protein kinases (MAPK) and nuclear factor-κB (NF-κB) pathways were evaluated to gain insight into the mechanisms related to the contribution of IL-33/ST2 signaling to radicular pain. RESULTS The application of nucleus pulposus (NP) to the dorsal root ganglion (DRG) induced an increase in IL-33 and ST2 expression in the spinal cord, mainly in the dorsal horn neurons, astrocytes, and oligodendrocytes. Spinally delivered LV-shIL-33 knocked down the expression of IL-33 and markedly attenuated mechanical allodynia. In addition, spinal administration of LV-shIL-33 reduced the overexpression of spinal IL-1β, TNF-α, and COX-2 and attenuated the activation of C-Jun N-terminal kinase (JNK), extracellular signal-regulated kinase (ERK), and NF-κB/p65 but not p38. CONCLUSIONS This study indicates that spinal IL-33/ST2 signaling plays an important role in the development and progression of radicular pain in rat models of noncompressive lumber disk herniation. Thus, the inhibition of spinal IL-33 expression may provide a potential treatment to manage radicular pain caused by intervertebral disk herniation.
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Affiliation(s)
- Si-Jian Huang
- Department of Anesthesiology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011 China
| | - Jian-Qin Yan
- Department of Anesthesiology, Xiangya Hospital, Central South University, Changsha, Hunan 410008 China
| | - Hui Luo
- Department of Anesthesiology, Xiangya Hospital, Central South University, Changsha, Hunan 410008 China
| | - Lu-Yao Zhou
- Department of Anesthesiology, Xiangya Hospital, Central South University, Changsha, Hunan 410008 China
| | - Jian-Gang Luo
- Department of Anesthesiology, Xiangya Hospital, Central South University, Changsha, Hunan 410008 China
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35
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Du LX, Wang YQ, Hua GQ, Mi WL. IL-33/ST2 Pathway as a Rational Therapeutic Target for CNS Diseases. Neuroscience 2017; 369:222-230. [PMID: 29175156 DOI: 10.1016/j.neuroscience.2017.11.028] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Revised: 11/13/2017] [Accepted: 11/16/2017] [Indexed: 12/22/2022]
Abstract
Interleukin (IL)-33 is a member of the interleukin-1 cytokine family that is produced by many different types of tissues including the central nervous system (CNS). IL-33 mediates its effects via its heterodimeric receptor complex, comprised of ST2 and the IL-1 receptor accessory protein (IL-1RAcp). As a pleiotropic nuclear cytokine, IL-33 is a crucial factor in the development of cardiovascular diseases, allergic diseases, infectious diseases, and autoimmune diseases. Recently, accumulated evidence shows that the IL-33/ST2 axis plays a crucial and diverse role in the pathogenesis of CNS diseases, including neurodegenerative diseases, cerebrovascular diseases, infectious diseases, traumatic CNS injury, chronic pain, etc. In this review, we discuss the recent findings in the cellular signaling of IL-33 and advancement of the role of IL-33 in several CNS diseases, as well as its therapeutic potential for the treatment of those diseases.
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Affiliation(s)
- Li-Xia Du
- Department of Integrative Medicine and Neurobiology, Academy of Integrative Medicine, School of Basic Medical Sciences, Institutes of Brain Science, Brain Science Collaborative Innovation Center, State Key Laboratory of Medical Neurobiology, Fudan University, Shanghai 200032, People's Republic of China
| | - Yan-Qing Wang
- Department of Integrative Medicine and Neurobiology, Academy of Integrative Medicine, School of Basic Medical Sciences, Institutes of Brain Science, Brain Science Collaborative Innovation Center, State Key Laboratory of Medical Neurobiology, Fudan University, Shanghai 200032, People's Republic of China
| | - Guo-Qiang Hua
- Institute of Radiation Medicine, Fudan University, Shanghai 200032, People's Republic of China
| | - Wen-Li Mi
- Department of Integrative Medicine and Neurobiology, Academy of Integrative Medicine, School of Basic Medical Sciences, Institutes of Brain Science, Brain Science Collaborative Innovation Center, State Key Laboratory of Medical Neurobiology, Fudan University, Shanghai 200032, People's Republic of China.
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Fattori V, Hohmann MSN, Rossaneis AC, Manchope MF, Alves-Filho JC, Cunha TM, Cunha FQ, Verri WA. Targeting IL-33/ST2 signaling: regulation of immune function and analgesia. Expert Opin Ther Targets 2017; 21:1141-1152. [PMID: 29076792 DOI: 10.1080/14728222.2017.1398734] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
INTRODUCTION IL-33 signals through ST2 receptor and promotes inflammation by activating downstream pathways culminating in the production of pro-inflammatory mediators such as IL-1β, TNF-α, and IL-6 in an NF-κB-dependent manner. In fact, compelling evidence has demonstrated the importance of IL-33/ST2 in both innate and adaptive immune responses in diseases presenting pain as an important clinical symptom. Areas covered: IL-33 is a pleiotropic cytokine with varied immune functions. Dysregulation of this pathway has been described as a key step in varied immune responses. Further, IL-33 contributes to peripheral and spinal cord nociceptor neuron sensitization in innate and adaptive inflammatory immune responses as well as in neuropathic and cancer pain. In this sense, targeting IL-33/ST2 signaling is a promising therapeutic approach. Expert opinion: The modulation of IL-33/ST2 signaling represents a possible approach in regulating immune functions. In addition to immune function, strategies targeting IL-33/ST2 signaling pathway display a favorable preclinical analgesic profile in both acute and chronic models of pain. Therefore, IL-33-targeting therapies represent a potential target for the development of novel analgesic drugs given that IL-33 activates, for instance, neutrophils, mast cells, macrophages, astrocytes, and microglia that are important cells in the induction and maintenance of chronic pain states.
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Affiliation(s)
- Victor Fattori
- a Departamento de Ciências Patológicas, Centro de Ciências Biológicas , Universidade Estadual de Londrina , Londrina , Brazil
| | - Miriam S N Hohmann
- a Departamento de Ciências Patológicas, Centro de Ciências Biológicas , Universidade Estadual de Londrina , Londrina , Brazil
| | - Ana C Rossaneis
- a Departamento de Ciências Patológicas, Centro de Ciências Biológicas , Universidade Estadual de Londrina , Londrina , Brazil
| | - Marilia F Manchope
- a Departamento de Ciências Patológicas, Centro de Ciências Biológicas , Universidade Estadual de Londrina , Londrina , Brazil
| | - Jose C Alves-Filho
- b Department of Pharmacology, Ribeirão Preto Medical School , University of São Paulo , Ribeirão Preto , Brazil
| | - Thiago M Cunha
- b Department of Pharmacology, Ribeirão Preto Medical School , University of São Paulo , Ribeirão Preto , Brazil
| | - Fernando Q Cunha
- b Department of Pharmacology, Ribeirão Preto Medical School , University of São Paulo , Ribeirão Preto , Brazil
| | - Waldiceu A Verri
- a Departamento de Ciências Patológicas, Centro de Ciências Biológicas , Universidade Estadual de Londrina , Londrina , Brazil
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Zarpelon AC, Fattori V, Souto FO, Pinto LG, Pinho-Ribeiro FA, Ruiz-Miyazawa KW, Turato WM, Cunha TM, da Costa FB, Cunha FQ, Casagrande R, Arakawa NS, Verri WA. The Sesquiterpene Lactone, Budlein A, Inhibits Antigen-Induced Arthritis in Mice: Role of NF-κB and Cytokines. Inflammation 2017; 40:2020-2032. [DOI: 10.1007/s10753-017-0642-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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Wang EW, Jia XS, Ruan CW, Ge ZR. miR-487b mitigates chronic heart failure through inhibition of the IL-33/ST2 signaling pathway. Oncotarget 2017; 8:51688-51702. [PMID: 28881679 PMCID: PMC5584280 DOI: 10.18632/oncotarget.18393] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Accepted: 05/06/2017] [Indexed: 11/25/2022] Open
Abstract
We investigated the effects of microRNA-587b (miR-487b) in a rat model of chronic heart failure (CHF). Wistar rats were assigned to 10 groups (n=8 per group). Expression of interleukin-33 (IL-33), somatostatin 2 (ST2), IL-6, and TNF-α was higher in the CHF group than the control group. In the CHF, negative control (NC) for si-IL-33, NC for miR-487b mimic, NC for miR-487b inhibitor, and miR-487b inhibitor + si IL-33 groups, as compared to the blank and sham groups: steroid binding protein (SBP), D binding protein (DBP), left ventricular systolic pressure (LVSP), ± dp/dtmax, and superoxide dismutase (SOD) were all lower; myocardial fibrosis, MDA, left ventricular end-diastolic pressure (LVEDP), myocardial apoptosis rate, IL-6, and TNF-α were all higher; levels of IL-33 and ST2 mRNA and protein were higher; and levels of miR-487b were lower. Levels of IL-33 and ST2 mRNA and protein were lower, and SBP, DBP, LVSP, ± dp/dtmax, and SOD were higher in the miR-487b mimic and si-IL-33 groups than the CHF group. Expression of miR-487b was increased in the miR-487b mimic group, and expression of IL-33 and ST2 were increased and expression of miR-487b was decreased in the miR-487b inhibitor group. MiR-487b reduces apoptosis, inflammatory responses, and fibrosis in CHF by suppressing IL-33 through inhibition the IL-33/ST2 signaling pathway.
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Affiliation(s)
- En-Wei Wang
- Department of Cardiac Surgery, Linyi People's Hospital, Linyi 276003, China
| | - Xu-Sheng Jia
- Department of Cardiac Surgery, Linyi People's Hospital, Linyi 276003, China
| | - Chang-Wu Ruan
- Department of Cardiology, Gongli Hospital Affiliated to Second Military Medical University, Shanghai 200135, China
| | - Zhi-Ru Ge
- Department of Cardiology, Gongli Hospital Affiliated to Second Military Medical University, Shanghai 200135, China
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Ruiz-Miyazawa KW, Staurengo-Ferrari L, Mizokami SS, Domiciano TP, Vicentini FTMC, Camilios-Neto D, Pavanelli WR, Pinge-Filho P, Amaral FA, Teixeira MM, Casagrande R, Verri WA. Quercetin inhibits gout arthritis in mice: induction of an opioid-dependent regulation of inflammasome. Inflammopharmacology 2017; 25:10.1007/s10787-017-0356-x. [PMID: 28508104 DOI: 10.1007/s10787-017-0356-x] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Accepted: 04/26/2017] [Indexed: 02/07/2023]
Abstract
We investigated the anti-inflammatory and analgesic effects of quercetin in monosodium urate crystals (MSU)-induced gout arthritis, and the sensitivity of quercetin effects to naloxone, an opioid receptor antagonist. Mice were treated with quercetin, and mechanical hyperalgesia was assessed at 1-24 h after MSU injection. In vivo, leukocyte recruitment, cytokine levels, oxidative stress, NFκB activation, and gp91phox and inflammasome components (NLRP3, ASC, Pro-caspase-1, and Pro-IL-1β) mRNA expression by qPCR were determined in the knee joints at 24 h after MSU injection. Inflammasome activation was determined, in vitro, in lipopolysaccharide-primed macrophages challenged with MSU. Quercetin inhibited MSU-induced mechanical hyperalgesia, leukocyte recruitment, TNFα and IL-1β production, superoxide anion production, inflammasome activation, decrease of antioxidants levels, NFκB activation, and inflammasome components mRNA expression. Naloxone pre-treatment prevented all the inhibitory effects of quercetin over MSU-induced gout arthritis. These results demonstrate that quercetin exerts analgesic and anti-inflammatory effect in the MSU-induced arthritis in a naloxone-sensitive manner.
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Affiliation(s)
- Kenji W Ruiz-Miyazawa
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rod. Celso Garcia Cid KM480 PR445, Cx Postal 10.011, Londrina, Paraná, CEP 86057-970, Brazil
| | - Larissa Staurengo-Ferrari
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rod. Celso Garcia Cid KM480 PR445, Cx Postal 10.011, Londrina, Paraná, CEP 86057-970, Brazil
| | - Sandra S Mizokami
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rod. Celso Garcia Cid KM480 PR445, Cx Postal 10.011, Londrina, Paraná, CEP 86057-970, Brazil
| | - Talita P Domiciano
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rod. Celso Garcia Cid KM480 PR445, Cx Postal 10.011, Londrina, Paraná, CEP 86057-970, Brazil
| | - Fabiana T M C Vicentini
- Farmacore Biotecnologia LTDA, Rua Edson Souto, 728, Lagoinha, 14095-250, Ribeirão Preto, São Paulo, Brazil
| | - Doumit Camilios-Neto
- Departamento de Bioquímica e Biotecnologia, Centro de Ciências Exatas, Universidade Estadual de Londrina, Rodovia Celso Garcia Cid, Km 380, PR445, Cx. Postal 10.011, Londrina, Paraná, 86057-970, Brazil
| | - Wander R Pavanelli
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rod. Celso Garcia Cid KM480 PR445, Cx Postal 10.011, Londrina, Paraná, CEP 86057-970, Brazil
| | - Phileno Pinge-Filho
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rod. Celso Garcia Cid KM480 PR445, Cx Postal 10.011, Londrina, Paraná, CEP 86057-970, Brazil
| | - Flávio A Amaral
- Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas, Laboratório de Imunofarmacologia, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Mauro M Teixeira
- Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas, Laboratório de Imunofarmacologia, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Rubia Casagrande
- Department of Pharmaceutical Sciences, Healthy Sciences Center, Londrina State University, Av. Robert Koch, 60, Londrina, Paraná, CEP 86038-350, Brazil
| | - Waldiceu A Verri
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rod. Celso Garcia Cid KM480 PR445, Cx Postal 10.011, Londrina, Paraná, CEP 86057-970, Brazil.
- Departamento de Patologia, Universidade Estadual de Londrina, Rod. Celso Garcia Cid KM480 PR445, Cx Postal 10.011, Londrina, Paraná, CEP 86057-970, Brazil.
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Probucol attenuates overt pain-like behavior and carrageenan-induced inflammatory hyperalgesia and leukocyte recruitment by inhibiting NF-кB activation and cytokine production without antioxidant effects. Inflamm Res 2017; 66:591-602. [DOI: 10.1007/s00011-017-1040-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Revised: 03/08/2017] [Accepted: 03/28/2017] [Indexed: 01/18/2023] Open
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Dias RG, Sampaio SC, Sant'Anna MB, Cunha FQ, Gutiérrez JM, Lomonte B, Cury Y, Picolo G. Articular inflammation induced by an enzymatically-inactive Lys49 phospholipase A 2: activation of endogenous phospholipases contributes to the pronociceptive effect. J Venom Anim Toxins Incl Trop Dis 2017; 23:18. [PMID: 28344594 PMCID: PMC5364601 DOI: 10.1186/s40409-017-0104-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Accepted: 02/24/2017] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Arthritis is a set of inflammatory conditions that induce aching, stiffness, swelling, pain and may cause functional disability with severe consequences to the patient's lives. These are multi-mediated pathologies that cannot be effectively protected and/or treated. Therefore, the aim of this study was to establish a new model of acute arthritis, using a Lys49-PLA2 (Bothrops asper myotoxin II; MT-II) to induce articular inflammation. METHODS The articular inflammation was induced by MT-II (10 μg/joint) injection into the left tibio-tarsal or femoral-tibial-patellar joints. Cellular influx was evaluated counting total and differential cells that migrated to the joint. The plasma extravasation was determined using Evans blue dye. The edematogenic response was evaluated measuring the joint thickness using a caliper. The articular hypernociception was determined by a dorsal flexion of the tibio-tarsal joint using an electronic pressure-meter test. The mediators involved in the articular hypernociception were evaluated using receptor antagonists and enzymatic inhibitors. RESULTS Plasma extravasation in the knee joints was observed 5 and 15 min after MT-II (10 μg/joint) injection. MT-II also induced a polymorphonuclear cell influx into the femoral-tibial-patellar joints observed 8 h after its injection, a period that coincided with the peak of the hyperalgesic effect. Hyperalgesia was inhibited by the pretreatment of the animals with cyclooxygenase inhibitor indomethacin, with type-2 cyclooxygenase inhibitor celecoxib, with AACOCF3 and PACOCF3, inhibitors of cytosolic and Ca2+-independent PLA2s, respectively, with bradykinin B2 receptor antagonist HOE 140, with antibodies against TNFα, IL-1β, IL-6 and CINC-1 and with selective ET-A (BQ-123) and ET-B (BQ-788) endothelin receptors antagonists. The MT-II-induced hyperalgesia was not altered by the lipoxygenase inhibitor zileuton, by the bradykinin B1 receptor antagonist Lys-(Des-Arg9,Leu8)-bradykinin, by the histamine and serotonin antagonists promethazine and methysergide, respectively, by the nitric oxide inhibitor LNMMA and by the inhibitor of matrix 1-, 2-, 3-, 8- and 9- metalloproteinases GM6001 (Ilomastat). CONCLUSION These results demonstrated the multi-mediated characteristic of the articular inflammation induced by MT-II, which demonstrates its relevance as a model for arthritis mechanisms and treatment evaluation.
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Affiliation(s)
- Renata Gonçalves Dias
- Special Laboratory of Pain and Signaling, Butantan Institute, Av. Vital Brazil, 1500, São Paulo, SP CEP 05503-900 Brazil.,Healthy Sciences Institute, Paulista University (UNIP), São Paulo, SP Brazil
| | - Sandra Coccuzzo Sampaio
- Laboratory of Pathophysiology, Butantan Institute, São Paulo, SP Brazil.,Department of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP Brazil
| | - Morena Brazil Sant'Anna
- Special Laboratory of Pain and Signaling, Butantan Institute, Av. Vital Brazil, 1500, São Paulo, SP CEP 05503-900 Brazil
| | - Fernando Queiroz Cunha
- Department of Pharmacology, Faculty of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP Brazil
| | - José María Gutiérrez
- Clodomiro Picado Institute, Faculty of Microbiology, University of Costa Rica, San José, Costa Rica
| | - Bruno Lomonte
- Clodomiro Picado Institute, Faculty of Microbiology, University of Costa Rica, San José, Costa Rica
| | - Yara Cury
- Special Laboratory of Pain and Signaling, Butantan Institute, Av. Vital Brazil, 1500, São Paulo, SP CEP 05503-900 Brazil
| | - Gisele Picolo
- Special Laboratory of Pain and Signaling, Butantan Institute, Av. Vital Brazil, 1500, São Paulo, SP CEP 05503-900 Brazil
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Fattori V, Serafim KGG, Zarpelon AC, Borghi SM, Pinho-Ribeiro FA, Alves-Filho JC, Cunha TM, Cunha FQ, Casagrande R, Verri WA. Differential regulation of oxidative stress and cytokine production by endothelin ET A and ET B receptors in superoxide anion-induced inflammation and pain in mice. J Drug Target 2016; 25:264-274. [PMID: 27701898 DOI: 10.1080/1061186x.2016.1245308] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The present study investigated whether endothelin-1 acts via ETA or ETB receptors to mediate superoxide anion-induced pain and inflammation. Mice were treated with clazosentan (ETA receptor antagonist) or BQ-788 (ETB receptor antagonist) prior to stimulation with the superoxide anion donor, KO2. Intraplantar treatment with 30 nmol of clazosentan or BQ-788 reduced mechanical hyperalgesia (47% and 42%), thermal hyperalgesia (68% and 76%), oedema (50% and 30%); myeloperoxidase activity (64% and 32%), and overt-pain like behaviours, such as paw flinching (42% and 42%) and paw licking (38% and 62%), respectively. Similarly, intraperitoneal treatment with 30 nmol of clazosentan or BQ-788 reduced leukocyte recruitment to the peritoneal cavity (58% and 32%) and abdominal writhing (81% and 77%), respectively. Additionally, intraplantar treatment with clazosentan or BQ-788 decreased spinal (45% and 41%) and peripheral (47% and 47%) superoxide anion production as well as spinal (47% and 47%) and peripheral (33% and 54%) lipid peroxidation, respectively. Intraplantar treatment with clazosentan, but not BQ-788, reduced spinal (71%) and peripheral (51%) interleukin-1 beta as well as spinal (59%) and peripheral (50%) tumor necrosis factor-alpha production. Therefore, the present study unveils the differential mechanisms by which ET-1, acting on ETA or ETB receptors, regulates superoxide anion-induced inflammation and pain.
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Affiliation(s)
- Victor Fattori
- a Departamento de Ciências Patológicas, Centro de Ciências Biológicas , Universidade Estadual de Londrina , Londrina , Brazil
| | - Karla G G Serafim
- a Departamento de Ciências Patológicas, Centro de Ciências Biológicas , Universidade Estadual de Londrina , Londrina , Brazil
| | - Ana C Zarpelon
- a Departamento de Ciências Patológicas, Centro de Ciências Biológicas , Universidade Estadual de Londrina , Londrina , Brazil
| | - Sergio M Borghi
- a Departamento de Ciências Patológicas, Centro de Ciências Biológicas , Universidade Estadual de Londrina , Londrina , Brazil
| | - Felipe A Pinho-Ribeiro
- a Departamento de Ciências Patológicas, Centro de Ciências Biológicas , Universidade Estadual de Londrina , Londrina , Brazil
| | - José C Alves-Filho
- b Departamento de Farmacologia, Faculdade de Medicina de Ribeirão Preto , Universidade de São Paulo , Ribeirão Preto , Brazil
| | - Thiago M Cunha
- b Departamento de Farmacologia, Faculdade de Medicina de Ribeirão Preto , Universidade de São Paulo , Ribeirão Preto , Brazil
| | - Fernando Q Cunha
- b Departamento de Farmacologia, Faculdade de Medicina de Ribeirão Preto , Universidade de São Paulo , Ribeirão Preto , Brazil
| | - Rúbia Casagrande
- c Departamento de Ciências Farmacêuticas, Centro de Ciências da Saúde , Universidade Estadual de Londrina , Londrina , Brazil
| | - Waldiceu A Verri
- a Departamento de Ciências Patológicas, Centro de Ciências Biológicas , Universidade Estadual de Londrina , Londrina , Brazil
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Guerrero ATG, Pinto LG, Cunha FQ, Ferreira SH, Alves-Filho JC, Verri WA, Cunha TM. Mechanisms underlying the hyperalgesic responses triggered by joint activation of TLR4. Pharmacol Rep 2016; 68:1293-1300. [PMID: 27689757 DOI: 10.1016/j.pharep.2016.08.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2015] [Revised: 08/15/2016] [Accepted: 08/23/2016] [Indexed: 01/04/2023]
Abstract
BACKGROUND Toll-like receptors (TLRs) including TLR4 and their signal pathways contribute to the pathogenesis of arthritis. Herein, we evaluated the mechanisms underlying the hyperalgesic response caused by TLR4 activation in the tibio-tarsal joint in mice. METHODS Joint inflammatory hyperalgesia was induced by intra-articular (ia) injection of LPS (lipopolysaccharide- TLR4 agonist) in C57BL/6, TLR4, TLR2, MyD88, TRIF, TNFR1/2 and IL-1R1 knockout (-/-) mice. Joint hyperalgesia was evaluated using an electronic von Frey. Neutrophil recruitment was assessed by MPO activity. Joint levels of cytokines were measured by ELISA. RESULTS Firstly, it was shown that LPS injected into the joints causes a dose- and time-dependent reduction in the mechanical nociceptive threshold. The TLR4 activation in the joint triggers mechanical hyperalgesia and neutrophil migration, which was abolished in TLR4 -/- and MyD88-/-, but not in TLR2-/- and TRIF-/- mice. Besides, joint administration of LPS increased the release of TNF-α, IL-1β, and KC/CXCL1, which were reduced in TLR4-/- and MyD88-/-, but not in TRIF-/- mice. In agreement, the LPS-induced joint nociceptive effect was decreased in TNFR1/2-/- and IL-1R1-/- mice or in mice pre-treated with a CXCR1/2 selective antagonist (DF2156A). CONCLUSIONS These results suggest that TLR4 activation in the joint produces articular hyperalgesia via MyD88 signaling pathway. Moreover, this pathway is involved in the cascade of events of articular hyperalgesia through mechanisms dependent on cytokines and chemokines production. Thus, TLR4/MyD88 signaling pathway inhibitors might be useful for the treatment of inflammatory joint pain.
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Affiliation(s)
- Ana T G Guerrero
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Avenida Bandeirantes, 3900, 14049-900 Ribeirão Preto, São Paulo, Brazil; Fundação Oswaldo Cruz-FIOCRUZ Mato Grosso do Sul, Rua Gabriel Abrão 92, 79081-746 Campo Grande, Mato Grosso do Sul, Brazil.
| | - Larissa G Pinto
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Avenida Bandeirantes, 3900, 14049-900 Ribeirão Preto, São Paulo, Brazil.
| | - Fernando Q Cunha
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Avenida Bandeirantes, 3900, 14049-900 Ribeirão Preto, São Paulo, Brazil.
| | - Sérgio H Ferreira
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Avenida Bandeirantes, 3900, 14049-900 Ribeirão Preto, São Paulo, Brazil.
| | - Jose C Alves-Filho
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Avenida Bandeirantes, 3900, 14049-900 Ribeirão Preto, São Paulo, Brazil.
| | - Waldiceu A Verri
- Departamento de Patologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Paraná, Rod. Celso Garcia Cid Km380 PR445, 86057-970 Londrina, Paraná, Brazil.
| | - Thiago M Cunha
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Avenida Bandeirantes, 3900, 14049-900 Ribeirão Preto, São Paulo, Brazil.
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Longhi-Balbinot DT, Rossaneis AC, Pinho-Ribeiro FA, Bertozzi MM, Cunha FQ, Alves-Filho JC, Cunha TM, Peron JPS, Miranda KM, Casagrande R, Verri WA. The nitroxyl donor, Angeli's salt, reduces chronic constriction injury-induced neuropathic pain. Chem Biol Interact 2016; 256:1-8. [PMID: 27287419 DOI: 10.1016/j.cbi.2016.06.009] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Revised: 05/27/2016] [Accepted: 06/06/2016] [Indexed: 12/31/2022]
Abstract
Chronic pain is a major health problem worldwide. We have recently demonstrated the analgesic effect of the nitroxyl donor, Angeli's salt (AS) in models of inflammatory pain. In the present study, the acute and chronic analgesic effects of AS was investigated in chronic constriction injury of the sciatic nerve (CCI)-induced neuropathic pain in mice. Acute (7th day after CCI) AS treatment (1 and 3 mg/kg; s.c.) reduced CCI-induced mechanical, but not thermal hyperalgesia. The acute analgesic effect of AS was prevented by treatment with 1H-[1,2, 4]oxadiazolo[4,3,-a]quinoxalin-1-one (ODQ, a soluble guanylate cyclase inhibitor), KT5823 (an inhibitor of protein kinase G [PKG]) or glibenclamide (GLB, an ATP-sensitive potassium channel blocker). Chronic (7-14 days after CCI) treatment with AS (3 mg/kg, s.c.) promoted a sustained reduction of CCI-induced mechanical and thermal hyperalgesia. Acute AS treatment reduced CCI-induced spinal cord allograft inflammatory factor 1 (known as Iba-1), interleukin-1β (IL-1β), and ST2 receptor mRNA expression. Chronic AS treatment reduced CCI-induced spinal cord glial fibrillary acidic protein (GFAP), Iba-1, IL-1β, tumor necrosis factor-α (TNF-α), interleukin-33 (IL-33) and ST2 mRNA expression. Chronic treatment with AS (3 mg/kg, s.c.) did not alter aspartate aminotransferase, alanine aminotransferase, urea or creatinine plasma levels. Together, these results suggest that the acute analgesic effect of AS depends on activating the cGMP/PKG/ATP-sensitive potassium channel signaling pathway. Moreover, chronic AS diminishes CCI-induced mechanical and thermal hyperalgesia by reducing the activation of spinal cord microglia and astrocytes, decreasing TNF-α, IL-1β and IL-33 cytokines expression. This spinal cord immune modulation was more prominent in the chronic treatment with AS. Thus, nitroxyl limits CCI-induced neuropathic pain by reducing spinal cord glial cells activation.
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Affiliation(s)
- Daniela T Longhi-Balbinot
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rod. Celso Garcia Cid PR 445, Km 380, Cx. Postal 10.011, 86057-970, Londrina, Parana, Brazil
| | - Ana C Rossaneis
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rod. Celso Garcia Cid PR 445, Km 380, Cx. Postal 10.011, 86057-970, Londrina, Parana, Brazil
| | - Felipe A Pinho-Ribeiro
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rod. Celso Garcia Cid PR 445, Km 380, Cx. Postal 10.011, 86057-970, Londrina, Parana, Brazil
| | - Mariana M Bertozzi
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rod. Celso Garcia Cid PR 445, Km 380, Cx. Postal 10.011, 86057-970, Londrina, Parana, Brazil
| | - Fernando Q Cunha
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Avenida Bandeirantes, 3900, Ribeirão Preto, 14049-900, São Paulo, Brazil
| | - José C Alves-Filho
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Avenida Bandeirantes, 3900, Ribeirão Preto, 14049-900, São Paulo, Brazil
| | - Thiago M Cunha
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Avenida Bandeirantes, 3900, Ribeirão Preto, 14049-900, São Paulo, Brazil
| | - Jean P S Peron
- Department of Immunology, Institute of Biomedical Sciences, Ed. Biomédicas IV, University of Sao Paulo, Av. Prof. Dr. Lineu Prestes, 1730, 05508-900, São Paulo, Brazil
| | - Katrina M Miranda
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, AZ, USA
| | - Rubia Casagrande
- Department of Pharmaceutical Sciences, University Hospital (Health Science Centre), Av. Robert Koch, 60, 86038-350, State University of Londrina, Parana, Brazil
| | - Waldiceu A Verri
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rod. Celso Garcia Cid PR 445, Km 380, Cx. Postal 10.011, 86057-970, Londrina, Parana, Brazil.
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Manchope MF, Calixto-Campos C, Coelho-Silva L, Zarpelon AC, Pinho-Ribeiro FA, Georgetti SR, Baracat MM, Casagrande R, Verri WA. Naringenin Inhibits Superoxide Anion-Induced Inflammatory Pain: Role of Oxidative Stress, Cytokines, Nrf-2 and the NO-cGMP-PKG-KATP Channel Signaling Pathway. PLoS One 2016; 11:e0153015. [PMID: 27045367 PMCID: PMC4821586 DOI: 10.1371/journal.pone.0153015] [Citation(s) in RCA: 97] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2016] [Accepted: 03/22/2016] [Indexed: 12/11/2022] Open
Abstract
In the present study, the effect and mechanism of action of the flavonoid naringenin were evaluated in superoxide anion donor (KO2)-induced inflammatory pain in mice. Naringenin reduced KO2-induced overt-pain like behavior, mechanical hyperalgesia, and thermal hyperalgesia. The analgesic effect of naringenin depended on the activation of the NO−cGMP−PKG−ATP-sensitive potassium channel (KATP) signaling pathway. Naringenin also reduced KO2-induced neutrophil recruitment (myeloperoxidase activity), tissue oxidative stress, and cytokine production. Furthermore, naringenin downregulated KO2-induced mRNA expression of gp91phox, cyclooxygenase (COX)-2, and preproendothelin-1. Besides, naringenin upregulated KO2-reduced nuclear factor (erythroid-derived 2)-like 2 (Nrf2) mRNA expression coupled with enhanced heme oxygenase (HO-1) mRNA expression. In conclusion, the present study demonstrates that the use of naringenin represents a potential therapeutic approach reducing superoxide anion-driven inflammatory pain. The antinociceptive, anti-inflammatory and antioxidant effects are mediated via activation of the NO−cGMP−PKG−KATP channel signaling involving the induction of Nrf2/HO-1 pathway.
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Affiliation(s)
- Marília F. Manchope
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Brazil
| | - Cássia Calixto-Campos
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Brazil
| | - Letícia Coelho-Silva
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Brazil
| | - Ana C. Zarpelon
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Brazil
| | - Felipe A. Pinho-Ribeiro
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Brazil
| | - Sandra R. Georgetti
- Departamento de Ciências Farmacêuticas, Centro de Ciências de Saúde, Universidade Estadual de Londrina, Londrina, Brazil
| | - Marcela M. Baracat
- Departamento de Ciências Farmacêuticas, Centro de Ciências de Saúde, Universidade Estadual de Londrina, Londrina, Brazil
| | - Rúbia Casagrande
- Departamento de Ciências Farmacêuticas, Centro de Ciências de Saúde, Universidade Estadual de Londrina, Londrina, Brazil
| | - Waldiceu A. Verri
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Brazil
- * E-mail:
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Pinho-Ribeiro FA, Zarpelon AC, Mizokami SS, Borghi SM, Bordignon J, Silva RL, Cunha TM, Alves-Filho JC, Cunha FQ, Casagrande R, Verri WA. The citrus flavonone naringenin reduces lipopolysaccharide-induced inflammatory pain and leukocyte recruitment by inhibiting NF-κB activation. J Nutr Biochem 2016; 33:8-14. [PMID: 27260463 DOI: 10.1016/j.jnutbio.2016.03.013] [Citation(s) in RCA: 83] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2015] [Revised: 03/17/2016] [Accepted: 03/24/2016] [Indexed: 12/25/2022]
Abstract
Lipopolysaccharide (LPS) is the major structural component of Gram-negative bacteria cell wall and a highly pro-inflammatory toxin. Naringenin is found in Citrus fruits and exhibits antioxidant and anti-inflammatory properties through inhibition of NF-κB activation but its effects in LPS-induced inflammatory pain and leukocyte recruitment were not investigated yet. We investigated the effects of naringenin in mechanical hyperalgesia, thermal hyperalgesia and leukocyte recruitment induced by intraplantar injection of LPS in mice. We found that naringenin reduced hyperalgesia to mechanical and thermal stimuli, myeloperoxidase (MPO, a neutrophil and macrophage marker) and N-acetyl-β-D-glucosaminidase (NAG, a macrophage marker) activities, oxidative stress and cytokine (TNF-α, IL-1β, IL-6, and IL-12) production in the paw skin. In the peritoneal cavity, naringenin reduced neutrophil and mononuclear cell recruitment, and abrogated MPO and NAG activity, cytokine and superoxide anion production, and lipid peroxidation. In vitro, pre-treatment with naringenin inhibited superoxide anion and cytokine (TNF-α, IL-1β, IL-6, and IL-12) production by LPS-stimulated RAW 264.7 macrophages. Finally, we demonstrated that naringenin inhibited NF-κB activation in vitro and in vivo. Therefore, naringenin is a promising compound to treat LPS-induced inflammatory pain and leukocyte recruitment.
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Affiliation(s)
- Felipe A Pinho-Ribeiro
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rod. Celso Garcia Cid, Km 380, PR445, 86057-970, Cx., Postal 10.011, Londrina, Paraná, Brazil
| | - Ana C Zarpelon
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rod. Celso Garcia Cid, Km 380, PR445, 86057-970, Cx., Postal 10.011, Londrina, Paraná, Brazil
| | - Sandra S Mizokami
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rod. Celso Garcia Cid, Km 380, PR445, 86057-970, Cx., Postal 10.011, Londrina, Paraná, Brazil
| | - Sergio M Borghi
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rod. Celso Garcia Cid, Km 380, PR445, 86057-970, Cx., Postal 10.011, Londrina, Paraná, Brazil
| | - Juliano Bordignon
- Carlos Chagas Institute/Fiocruz, Rua Professor Algacyr Munhoz Mader, 3775, 81350-010, Curitiba, Brazil
| | - Rangel L Silva
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Avenida Bandeirantes, 14050-490 Ribeirão Preto, São Paulo, Brazil
| | - Thiago M Cunha
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Avenida Bandeirantes, 14050-490 Ribeirão Preto, São Paulo, Brazil
| | - Jose C Alves-Filho
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Avenida Bandeirantes, 14050-490 Ribeirão Preto, São Paulo, Brazil
| | - Fernando Q Cunha
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Avenida Bandeirantes, 14050-490 Ribeirão Preto, São Paulo, Brazil
| | - Rubia Casagrande
- Departamento de Ciências Farmacêuticas, Centro de Ciências da Saúde, Universidade Estadual de Londrina, Avenida Robert Koch, 60, Hospital Universitário, 86038-350 Londrina, Paraná, Brazil
| | - Waldiceu A Verri
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rod. Celso Garcia Cid, Km 380, PR445, 86057-970, Cx., Postal 10.011, Londrina, Paraná, Brazil.
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Mizokami SS, Hohmann MSN, Staurengo-Ferrari L, Carvalho TT, Zarpelon AC, Possebon MI, de Souza AR, Veneziani RCS, Arakawa NS, Casagrande R, Verri WA. Pimaradienoic Acid Inhibits Carrageenan-Induced Inflammatory Leukocyte Recruitment and Edema in Mice: Inhibition of Oxidative Stress, Nitric Oxide and Cytokine Production. PLoS One 2016; 11:e0149656. [PMID: 26895409 PMCID: PMC4760730 DOI: 10.1371/journal.pone.0149656] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2015] [Accepted: 02/03/2016] [Indexed: 11/18/2022] Open
Abstract
Pimaradienoic acid (PA; ent-pimara-8(14),15-dien-19-oic acid) is a pimarane diterpene found in plants such as Vigueira arenaria Baker (Asteraceae) in the Brazilian savannas. Although there is evidence on the analgesic and in vitro inhibition of inflammatory signaling pathways, and paw edema by PA, its anti-inflammatory effect deserves further investigation. Thus, the objective of present study was to investigate the anti-inflammatory effect of PA in carrageenan-induced peritoneal and paw inflammation in mice. Firstly, we assessed the effect of PA in carrageenan-induced leukocyte recruitment in the peritoneal cavity and paw edema and myeloperoxidase activity. Next, we investigated the mechanisms involved in the anti-inflammatory effect of PA. The effect of PA on carrageenan-induced oxidative stress in the paw skin and peritoneal cavity was assessed. We also tested the effect of PA on nitric oxide, superoxide anion, and inflammatory cytokine production in the peritoneal cavity. PA inhibited carrageenan-induced recruitment of total leukocytes and neutrophils to the peritoneal cavity in a dose-dependent manner. PA also inhibited carrageenan-induced paw edema and myeloperoxidase activity in the paw skin. The anti-inflammatory mechanism of PA depended on maintaining paw skin antioxidant activity as observed by the levels of reduced glutathione, ability to scavenge the ABTS cation and reduce iron as well as by the inhibition of superoxide anion and nitric oxide production in the peritoneal cavity. Furthermore, PA inhibited carrageenan-induced peritoneal production of inflammatory cytokines TNF-α and IL-1β. PA presents prominent anti-inflammatory effect in carrageenan-induced inflammation by reducing oxidative stress, nitric oxide, and cytokine production. Therefore, it seems to be a promising anti-inflammatory molecule that merits further investigation.
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Affiliation(s)
- Sandra S. Mizokami
- Departamento de Ciências Patológicas - Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
| | - Miriam S. N. Hohmann
- Departamento de Ciências Patológicas - Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
| | - Larissa Staurengo-Ferrari
- Departamento de Ciências Patológicas - Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
| | - Thacyana T. Carvalho
- Departamento de Ciências Patológicas - Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
| | - Ana C. Zarpelon
- Departamento de Ciências Patológicas - Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
| | - Maria I. Possebon
- Departamento de Ciências Farmacêuticas - Centro de Ciências de Saúde, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
| | - Anderson R. de Souza
- Núcleo de Pesquisa em Ciências Exatas e Tecnológicas, Universidade de Franca, Franca, São Paulo, Brazil
| | - Rodrigo C. S. Veneziani
- Núcleo de Pesquisa em Ciências Exatas e Tecnológicas, Universidade de Franca, Franca, São Paulo, Brazil
| | - Nilton S. Arakawa
- Departamento de Ciências Farmacêuticas - Centro de Ciências de Saúde, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
| | - Rubia Casagrande
- Departamento de Ciências Farmacêuticas - Centro de Ciências de Saúde, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
- * E-mail: (RC); (WAV)
| | - Waldiceu A. Verri
- Departamento de Ciências Patológicas - Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Paraná, Brazil
- * E-mail: (RC); (WAV)
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Pinho-Ribeiro FA, Zarpelon AC, Fattori V, Manchope MF, Mizokami SS, Casagrande R, Verri WA. Naringenin reduces inflammatory pain in mice. Neuropharmacology 2016; 105:508-519. [PMID: 26907804 DOI: 10.1016/j.neuropharm.2016.02.019] [Citation(s) in RCA: 113] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2015] [Revised: 01/23/2016] [Accepted: 02/15/2016] [Indexed: 11/29/2022]
Abstract
Naringenin is a flavonoid widely consumed by humans that present anti-inflammatory activity and low toxicity. Recently, the analgesic effect of naringenin has been demonstrated in neuropathic pain models. Herein, we tested the analgesic effects of naringenin in several models of inflammatory pain. Mice received treatment with naringenin (16.7-150 mg/kg, per oral), or with the controls anti-inflammatory drugs indomethacin (5 mg/kg, intraperitoneal) or dipyrone (80 mg/kg, intraperitoneal) prior the inflammatory stimuli injection. For acute pain, we used acetic acid- and PBQ-induced visceral pain (abdominal writhings), and formalin-, capsaicin-, and CFA-induced paw flinching and licking. By using an electronic version of von Frey filaments, we also investigated the effects of naringenin in pain intensity to a mechanical stimulus (mechanical hyperalgesia) after carrageenan, capsaicin, CFA, or PGE2 intraplantar injection. Naringenin (50 mg/kg) reduced acute pain behaviors induced by all tested stimuli, including both phases of formalin test, suggesting a direct nociceptor modulatory effect of this compound besides its anti-inflammatory activity. Accordingly, naringenin also inhibited the increased sensitivity to mechanical stimulus induced by carrageenan, capsaicin, and PGE2. Daily treatment with naringenin during 7 days also reduced CFA-induced mechanical hyperalgesia without gastric or hepatic toxicity. The mechanisms of naringenin involve the inhibition of carrageenan-induced oxidative stress, hyperalgesic cytokines (IL-33, TNF-α, and IL-1β) production and NF-κB activation in the paw skin. Naringenin also activated the analgesic NO-cyclic GMP-PKG-ATP sensitive K(+) channel signaling pathway to inhibit carrageenan-induced mechanical hyperalgesia and neutrophil recruitment. These results suggest that naringenin inhibits both inflammatory pain and neurogenic inflammation.
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Affiliation(s)
- Felipe A Pinho-Ribeiro
- Departamento de Ciências Patológicas-Centro de Ciências Biológicas, Universidade Estadual de Londrina, 86057970 Londrina, Brazil
| | - Ana C Zarpelon
- Departamento de Ciências Patológicas-Centro de Ciências Biológicas, Universidade Estadual de Londrina, 86057970 Londrina, Brazil
| | - Victor Fattori
- Departamento de Ciências Patológicas-Centro de Ciências Biológicas, Universidade Estadual de Londrina, 86057970 Londrina, Brazil
| | - Marília F Manchope
- Departamento de Ciências Patológicas-Centro de Ciências Biológicas, Universidade Estadual de Londrina, 86057970 Londrina, Brazil
| | - Sandra S Mizokami
- Departamento de Ciências Patológicas-Centro de Ciências Biológicas, Universidade Estadual de Londrina, 86057970 Londrina, Brazil
| | - Rubia Casagrande
- Departamento de Ciências Farmacêuticas - Centro de Ciências de Saúde, Universidade Estadual de Londrina, 86039440 Londrina, Brazil
| | - Waldiceu A Verri
- Departamento de Ciências Patológicas-Centro de Ciências Biológicas, Universidade Estadual de Londrina, 86057970 Londrina, Brazil.
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Spinal IL-33/ST2 Signaling Contributes to Neuropathic Pain via Neuronal CaMKII–CREB and Astroglial JAK2–STAT3 Cascades in Mice. Anesthesiology 2015; 123:1154-69. [DOI: 10.1097/aln.0000000000000850] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Abstract
Background
Emerging evidence indicates that nerve damage–initiated neuroinflammation and immune responses, which are evidenced by the up-regulation of proinflammatory cytokines, contribute to the development of neuropathic pain. This study investigated the role of spinal interleukin (IL)-33 and its receptor ST2 in spared nerve injury (SNI)-induced neuropathic pain.
Methods
The von Frey test and acetone test were performed to evaluate neuropathic pain behaviors (n = 8 to 12), and Western blot (n = 4 to 6), immunohistochemistry, real-time polymerase chain reaction (n = 5), and Bio-Plex (n = 5) assays were performed to understand the molecular mechanisms.
Results
Intrathecal administration of ST2-neutralizing antibody or ST2 gene knockout (ST2−/−) significantly attenuated the SNI-induced mechanical and cold allodynia. On the 7th day after SNI, the expression of spinal IL-33 and ST2 was increased by 255.8 ± 27.3% and 266.4 ± 83.5% (mean ± SD), respectively. Mechanistic studies showed that the increased expression of the spinal N-methyl-d-aspartate (NMDA) receptor subunit 1 after SNI was reduced by ST2 antibody administration or ST2−/−. The induction of nociceptive behaviors in naive mice due to recombinant IL-33 was reversed by the noncompetitive NMDA antagonist MK-801. ST2 antibody administration or ST2−/− markedly inhibited the increased activation of the astroglial janus kinase 2 (JAK2)–signal transducer and activator of transcription 3 (STAT3) cascade and the neuronal calcium–calmodulin-dependent kinase II (CaMKII)–cyclic adenosine monophosphate response element–binding protein (CREB) cascade after SNI. Moreover, intrathecal pretreatment with the CaMKII inhibitor KN-93 or the JAK2–STAT3 cascade inhibitor AG490 attenuated recombinant IL-33-induced nociceptive behaviors and NMDA subunit 1 up-regulation in naive mice.
Conclusion
Spinal IL-33/ST2 signaling contributes to neuropathic pain by activating the astroglial JAK2–STAT3 cascade and the neuronal CaMKII–CREB cascade.
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