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Ruivo J, Tavares I, Pozza DH. Molecular targets in bone cancer pain: a systematic review of inflammatory cytokines. J Mol Med (Berl) 2024:10.1007/s00109-024-02464-2. [PMID: 38940936 DOI: 10.1007/s00109-024-02464-2] [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: 03/14/2024] [Revised: 06/06/2024] [Accepted: 06/20/2024] [Indexed: 06/29/2024]
Abstract
Bone cancer pain (BCP) profoundly impacts patient's quality of life, demanding more effective pain management strategies. The aim of this systematic review was to investigate the role of inflammatory cytokines as potential molecular targets in BCP. A systematic search for animal rodent models of bone cancer pain studies was conducted in PubMed, Scopus, and Web of Science. Methodological quality and risk of bias were assessed using the SYRCLE RoB tool. Twenty-five articles met the inclusion criteria, comprising animal studies investigating molecular targets related to inflammatory cytokines in BCP. A low to moderate risk of bias was reported. Key findings in 23 manuscripts revealed upregulated classic pro-inflammatory cytokines (TNF-α, IL-1β, IL-6, IL-17, IL-18, IL-33) and chemokines in the spinal cord, periaqueductal gray, and dorsal root ganglia. Interventions targeting these cytokines consistently mitigated pain behaviors. Additionally, it was demonstrated that glial cells, due to their involvement in the release of inflammatory cytokines, emerged as significant contributors to BCP. This systematic review underscores the significance of inflammatory cytokines as potential molecular targets for alleviating BCP. It emphasizes the promise of targeted interventions and advocates for further research to translate these findings into effective therapeutic strategies. Ultimately, this approach holds the potential to enhance the patient's quality of life.
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Affiliation(s)
- Jacinta Ruivo
- Experimental Biology Unit, Department of Biomedicine, Faculty of Medicine of Porto, University of Porto, 4200-319, Porto, Portugal
| | - Isaura Tavares
- Experimental Biology Unit, Department of Biomedicine, Faculty of Medicine of Porto, University of Porto, 4200-319, Porto, Portugal
- Institute for Research and Innovation in Health and IBMC, University of Porto, 4200-135, Porto, Portugal
| | - Daniel H Pozza
- Experimental Biology Unit, Department of Biomedicine, Faculty of Medicine of Porto, University of Porto, 4200-319, Porto, Portugal.
- Institute for Research and Innovation in Health and IBMC, University of Porto, 4200-135, Porto, Portugal.
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2
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Rahman SM, Buchholz DW, Imbiakha B, Jager MC, Leach J, Osborn RM, Birmingham AO, Dewhurst S, Aguilar HC, Luebke AE. Migraine inhibitor olcegepant reduces weight loss and IL-6 release in SARS-CoV-2-infected older mice with neurological signs. J Virol 2024:e0006624. [PMID: 38814068 DOI: 10.1128/jvi.00066-24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Accepted: 04/15/2024] [Indexed: 05/31/2024] Open
Abstract
COVID-19 can cause neurological symptoms such as fever, dizziness, and nausea. However, such neurological symptoms of SARS-CoV-2 infection have been hardly assessed in mouse models. In this study, we infected two commonly used wild-type mouse lines (C57BL/6J and 129/SvEv) and a 129S calcitonin gene-related peptide (αCGRP) null-line with mouse-adapted SARS-CoV-2 and demonstrated neurological signs including fever, dizziness, and nausea. We then evaluated whether a CGRP receptor antagonist, olcegepant, a "gepant" antagonist used in migraine treatment, could mitigate acute neuroinflammatory and neurological signs of SARS-COV-2 infection. First, we determined whether CGRP receptor antagonism provided protection from permanent weight loss in older (>18 m) C57BL/6J and 129/SvEv mice. We also observed acute fever, dizziness, and nausea in all older mice, regardless of treatment. In both wild-type mouse lines, CGRP antagonism reduced acute interleukin 6 (IL-6) levels with virtually no IL-6 release in mice lacking αCGRP. These findings suggest that migraine inhibitors such as those blocking CGRP receptor signaling protect against acute IL-6 release and subsequent inflammatory events after SARS-CoV-2 infection, which may have repercussions for related pandemic or endemic coronavirus outbreaks.IMPORTANCECoronavirus disease (COVID-19) can cause neurological symptoms such as fever, headache, dizziness, and nausea. However, such neurological symptoms of severe acute respiratory syndrome CoV-2 (SARS-CoV-2) infection have been hardly assessed in mouse models. In this study, we first infected two commonly used wild-type mouse lines (C57BL/6J and 129S) with mouse-adapted SARS-CoV-2 and demonstrated neurological symptoms including fever and nausea. Furthermore, we showed that the migraine treatment drug olcegepant could reduce long-term weight loss and IL-6 release associated with SARS-CoV-2 infection. These findings suggest that a migraine blocker can be protective for at least some acute SARS-CoV-2 infection signs and raise the possibility that it may also impact long-term outcomes.
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Affiliation(s)
- Shafaqat M Rahman
- Departments of Biomedical Engineering, Neuroscience, Microbiology and Immunology, University of Rochester Medical Center, Rochester, New York, USA
| | - David W Buchholz
- Department of Microbiology and Immunology, College of Veterinary Medicine, Cornell University, Ithaca, New York, USA
| | - Brian Imbiakha
- Department of Microbiology and Immunology, College of Veterinary Medicine, Cornell University, Ithaca, New York, USA
| | - Mason C Jager
- Department of Population Medicine, College of Veterinary Medicine, Cornell University, Ithaca, New York, USA
| | - Justin Leach
- Departments of Biomedical Engineering, Neuroscience, Microbiology and Immunology, University of Rochester Medical Center, Rochester, New York, USA
| | - Raven M Osborn
- Departments of Biomedical Engineering, Neuroscience, Microbiology and Immunology, University of Rochester Medical Center, Rochester, New York, USA
| | - Ann O Birmingham
- Departments of Biomedical Engineering, Neuroscience, Microbiology and Immunology, University of Rochester Medical Center, Rochester, New York, USA
| | - Stephen Dewhurst
- Departments of Biomedical Engineering, Neuroscience, Microbiology and Immunology, University of Rochester Medical Center, Rochester, New York, USA
| | - Hector C Aguilar
- Department of Microbiology and Immunology, College of Veterinary Medicine, Cornell University, Ithaca, New York, USA
| | - Anne E Luebke
- Departments of Biomedical Engineering, Neuroscience, Microbiology and Immunology, University of Rochester Medical Center, Rochester, New York, USA
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3
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Maldonado-García JL, Alvarez-Herrera S, Pérez-Sánchez G, Becerril-Villanueva E, Pavón L, Tesoro-Cruz E, Girón-Pérez MI, Hurtado-Alvarado G, Damián-Morales G, López-Santiago R, Moreno-Lafont MC. Concomitant Treatment with Doxycycline and Rifampicin in Balb/c Mice Infected with Brucella abortus 2308 Fails to Reduce Inflammation and Motor Disability. Pharmaceuticals (Basel) 2024; 17:638. [PMID: 38794208 PMCID: PMC11123987 DOI: 10.3390/ph17050638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Revised: 05/11/2024] [Accepted: 05/13/2024] [Indexed: 05/26/2024] Open
Abstract
Brucellosis is an infection widely distributed around the world, and in some countries it is considered a public health problem. Brucellosis causes insidious symptoms that make it difficult to diagnose. Infection can also trigger chronic pain and neuropsychiatric complications. Antibiotics are not always effective to eradicate infection, contributing to chronicity. We aimed to investigate the effects of antibiotic treatment on proinflammatory cytokines, neurotransmitters, corticosterone, and behavior in a murine model of infecrion of B. abortus strain 2308. Four study groups were created: (a) control; (b) antibiotic control; (c) infected with B. abortus 2308; and (d) infected and treated with rifampicin and doxycycline. We determined B. abortus 2308 colony-forming units (CFUs), the count of dendritic cells, and macrophages in the spleen; serum levels of cytokines and corticosterone; levels of serotonin, dopamine, epinephrine, and norepinephrine in the brain; and equilibrium, physical strength, anxiety, and hopelessness tests. The infected and treated mice group was compared with the control and infected mice to assess whether treatment is sufficient to recover neuroimmunoendocrine parameters. Our results showed that despite the treatment of brucellosis with rifampicin and doxycycline, antibiotic-treated mice showed a persistence of B. abortus 2308 CFUs, an increased count in macrophage number, and higher circulating levels of corticosterone. Furthermore, the levels of IL-12, IL-6, and TNF-α remained higher. We found a decrease in muscular strength and equilibrium concomitant to changes in neurotransmitters in the hippocampus, cerebellum, and frontal cortex. Our data suggest that the remaining bacterial load after antibiotic administration favors inflammatory, neurochemical, and behavioral alterations, partly explaining the widespread and paradoxical symptomatology experienced by patients with chronic brucellosis.
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Affiliation(s)
- José Luis Maldonado-García
- Laboratorio de Inmunología Celular, Departamento de Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City 11340, Mexico; (J.L.M.-G.); (G.D.-M.); (R.L.-S.)
- Departamento de Bioquímica, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City 04360, Mexico
| | - Samantha Alvarez-Herrera
- Laboratorio de Psicoinmunología, Dirección de Investigaciones en Neurociencias del Instituto Nacional de Psiquiatría Ramón de la Fuente, Mexico City 14370, Mexico; (S.A.-H.); (G.P.-S.); (E.B.-V.)
| | - Gilberto Pérez-Sánchez
- Laboratorio de Psicoinmunología, Dirección de Investigaciones en Neurociencias del Instituto Nacional de Psiquiatría Ramón de la Fuente, Mexico City 14370, Mexico; (S.A.-H.); (G.P.-S.); (E.B.-V.)
| | - Enrique Becerril-Villanueva
- Laboratorio de Psicoinmunología, Dirección de Investigaciones en Neurociencias del Instituto Nacional de Psiquiatría Ramón de la Fuente, Mexico City 14370, Mexico; (S.A.-H.); (G.P.-S.); (E.B.-V.)
| | - Lenin Pavón
- Laboratorio de Psicoinmunología, Dirección de Investigaciones en Neurociencias del Instituto Nacional de Psiquiatría Ramón de la Fuente, Mexico City 14370, Mexico; (S.A.-H.); (G.P.-S.); (E.B.-V.)
| | - Emiliano Tesoro-Cruz
- Unidad de Investigación Biomédica en Inmunología e Infectología, Hospital de Infectología, Centro Médico Nacional “La Raza”, IMSS, Mexico City 02990, Mexico;
| | | | - Gabriela Hurtado-Alvarado
- Departamento de Anatomía, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City 04360, Mexico;
| | - Gabriela Damián-Morales
- Laboratorio de Inmunología Celular, Departamento de Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City 11340, Mexico; (J.L.M.-G.); (G.D.-M.); (R.L.-S.)
| | - Rubén López-Santiago
- Laboratorio de Inmunología Celular, Departamento de Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City 11340, Mexico; (J.L.M.-G.); (G.D.-M.); (R.L.-S.)
| | - Martha C. Moreno-Lafont
- Laboratorio de Inmunología Celular, Departamento de Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City 11340, Mexico; (J.L.M.-G.); (G.D.-M.); (R.L.-S.)
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4
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Nielsen SS, Skou ST, Larsen AE, Polianskis R, Arendt-Nielsen L, Østergaard AS, Kjær-Staal Petersen K, Vægter HB, Søndergaard J, Christensen JR. Changes in pain, daily occupations, lifestyle, and health following an occupational therapy lifestyle intervention: a secondary analysis from a feasibility study in patients with chronic high-impact pain. Scand J Pain 2024; 24:sjpain-2023-0043. [PMID: 38037749 DOI: 10.1515/sjpain-2023-0043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 11/15/2023] [Indexed: 12/02/2023]
Abstract
OBJECTIVES This study explored changes in pain-related parameters, occupational function, occupational balance, lifestyle factors, and self-perceived health status in adults with chronic high-impact pain participating in an occupational therapy lifestyle intervention. METHODS This one-group longitudinal feasibility study was performed in three continuous feasibility rounds. The occupational therapists-led intervention targeted meaningful occupations, regular physical activity, and a healthy diet. The intervention contained individual and group sessions and was added to the standard multidisciplinary chronic pain treatment. Outpatients (n=40, 85 % females, 46.6 ± 10.9 years old) participated in the study between April 2019 and December 2021. The analysis includes data for 31 participants. Analysis of pre-post changes assessed after each feasibility round were performed for the outcomes: pain intensity, pain sensitivity and pain modulation (pressure pain threshold and tolerance, temporal summation of pain and conditioned pain modulation), pain self-efficacy, pain catastrophizing, motor and process skills, occupational balance, daily wake-time movement, daily walking steps, body mass index, waist circumference, blood pressure, and self-perceived health status. RESULTS Improvements in motor skills (assessment of motor and process skills score=0.20 (1.37; 1.57), 95 % CI 0.01; 0.38) and temporal summation of pain (-1.19 (2.86; -1.67), 95 % CI -2.16; -0.22), but a decrease in pain tolerance (-7.110 (54.42; 47.32), 95 % CI -13.99; -0.22) were observed. Correlation analysis suggested moderate-to-very strong statistically significant relationships in several outcomes related to pain, health, pain coping, occupational balance, occupational functioning, body anthropometrics, and pain sensitivity. CONCLUSIONS This study suggested that the lifestyle intervention would benefit motor skills while effects on other outcomes were unclear in adults with chronic pain. To confirm the findings, a randomized trial evaluating effectiveness is needed. Ethical committee number: SJ-307 Reg. Clinicaltrials.gov: NCT03903900.
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Affiliation(s)
- Svetlana Solgaard Nielsen
- Research Unit PROgrez, Department of Physiotherapy and Occupational Therapy, Naestved, Slagelse & Ringsted Hospitals, Slagelse, Denmark
- Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark
| | - Søren T Skou
- Research Unit PROgrez, Department of Physiotherapy and Occupational Therapy, Naestved, Slagelse & Ringsted Hospitals, Slagelse, Denmark
- Research Unit for Musculoskeletal Function and Physiotherapy, Department of Sports Science and Clinical Biomechanics, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark
| | - Anette Enemark Larsen
- Department of Therapy and Midwifery Studies, Faculty of Health Sciences, University College Copenhagen, Copenhagen, Denmark
| | - Romanas Polianskis
- Multidisciplinary Pain Centre, Department of Anesthesiology, Naestved Hospital, Naestved, Denmark
| | - Lars Arendt-Nielsen
- Department of Health Science and Technology, Faculty of Medicine, Aalborg University Hospital, Aalborg, Denmark
| | - Anne Skov Østergaard
- Research Unit for Musculoskeletal Function and Physiotherapy, Department of Sports Science and Clinical Biomechanics, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark
| | | | - Henrik Bjarke Vægter
- Pain Research Group/Pain Centre, Department of Anesthesiology and Intensive Care Medicine, Odense University Hospital, Odense, Denmark
- Department of Clinical Research, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark
| | - Jens Søndergaard
- Research Unit of General Practice, Department of Public Health, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark
| | - Jeanette Reffstrup Christensen
- Research Unit of General Practice, Department of Public Health, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark
- User Perspectives, Department of Public Health, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark
- Research Unit of General Practice, Department of Public Health, Faculty of Health Sciences, Aarhus University, Aarhus, Denmark
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5
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Hui J, Chen Y, Li C, Gou Y, Liu Y, Zhou R, Kang M, Liu C, Wang B, Shi P, Cheng S, Yang X, Pan C, Jia Y, Cheng B, Liu H, Wen Y, Zhang F. Insight into the Causal Relationship between Gut Microbiota and Back Pain: A Two Sample Bidirectional Mendelian Randomization Study. ADVANCED GENETICS (HOBOKEN, N.J.) 2023; 4:2300192. [PMID: 38099244 PMCID: PMC10716053 DOI: 10.1002/ggn2.202300192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 09/19/2023] [Indexed: 12/17/2023]
Abstract
Observational studies have shown that alterations in gut microbiota composition are associated with low back pain. However, it remains unclear whether the association is causal. To reveal the causal association between gut microbiota and low back pain, a two-sample bidirectional Mendelian randomization (MR) analysis is performed. The inverse variance weighted regression (IVW) is performed as the principal MR analysis. MR-Egger and Weighted Median is further conducted as complementary analysis to validate the robustness of the results. Finally, a reverse MR analysis is performed to evaluate the possibility of reverse causation. The inverse variance weighted (IVW) method suggests that Peptostreptococcaceae (odds ratio [OR] 1.056, 95% confidence interval [CI] [1.015-1.098], P IVW = 0.010), and Lactobacillaceae (OR 1.070, 95% CI [1.026-1.115], P IVW = 0.003) are positively associated with back pain. The Ruminococcaceae (OR 0.923, 95% CI [0.849-0.997], P IVW = 0.033), Butyricicoccus (OR 0.920, 95% CI [0.868 - 0.972], P IVW = 0.002), and Lachnospiraceae (OR 0.948, 95% CI [0.903-0.994], P IVW = 0.022) are negatively associated with back pain. In this study, underlying causal relationships are identified among gut microbiota and low back pain. Notably, further research is needed on the biological mechanisms by which gut microbiota influences low back pain.
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Affiliation(s)
- Jingni Hui
- Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning CommissionSchool of Public HealthHealth Science CenterXi'an Jiaotong UniversityXi'an71006P. R. China
| | - Yujing Chen
- Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning CommissionSchool of Public HealthHealth Science CenterXi'an Jiaotong UniversityXi'an71006P. R. China
| | - Chun'e Li
- Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning CommissionSchool of Public HealthHealth Science CenterXi'an Jiaotong UniversityXi'an71006P. R. China
| | - Yifan Gou
- Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning CommissionSchool of Public HealthHealth Science CenterXi'an Jiaotong UniversityXi'an71006P. R. China
| | - Ye Liu
- Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning CommissionSchool of Public HealthHealth Science CenterXi'an Jiaotong UniversityXi'an71006P. R. China
| | - Ruixue Zhou
- Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning CommissionSchool of Public HealthHealth Science CenterXi'an Jiaotong UniversityXi'an71006P. R. China
| | - Meijuan Kang
- Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning CommissionSchool of Public HealthHealth Science CenterXi'an Jiaotong UniversityXi'an71006P. R. China
| | - Chen Liu
- Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning CommissionSchool of Public HealthHealth Science CenterXi'an Jiaotong UniversityXi'an71006P. R. China
| | - Bingyi Wang
- Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning CommissionSchool of Public HealthHealth Science CenterXi'an Jiaotong UniversityXi'an71006P. R. China
| | - Panxing Shi
- Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning CommissionSchool of Public HealthHealth Science CenterXi'an Jiaotong UniversityXi'an71006P. R. China
| | - Shiqiang Cheng
- Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning CommissionSchool of Public HealthHealth Science CenterXi'an Jiaotong UniversityXi'an71006P. R. China
| | - Xuena Yang
- Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning CommissionSchool of Public HealthHealth Science CenterXi'an Jiaotong UniversityXi'an71006P. R. China
| | - Chuyu Pan
- Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning CommissionSchool of Public HealthHealth Science CenterXi'an Jiaotong UniversityXi'an71006P. R. China
| | - Yumeng Jia
- Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning CommissionSchool of Public HealthHealth Science CenterXi'an Jiaotong UniversityXi'an71006P. R. China
| | - Bolun Cheng
- Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning CommissionSchool of Public HealthHealth Science CenterXi'an Jiaotong UniversityXi'an71006P. R. China
| | - Huan Liu
- Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning CommissionSchool of Public HealthHealth Science CenterXi'an Jiaotong UniversityXi'an71006P. R. China
| | - Yan Wen
- Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning CommissionSchool of Public HealthHealth Science CenterXi'an Jiaotong UniversityXi'an71006P. R. China
| | - Feng Zhang
- Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning CommissionSchool of Public HealthHealth Science CenterXi'an Jiaotong UniversityXi'an71006P. R. China
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Saloman JL, Li Y, Stello K, Li W, Li S, Phillips AE, Hall K, Fogel EL, Vege SS, Li L, Andersen DK, Fisher WE, Forsmark CE, Hart PA, Pandol SJ, Park WG, Topazian MD, Van Den Eeden SK, Serrano J, Conwell DL, Yadav D. Serum Biomarkers of Nociceptive and Neuropathic Pain in Chronic Pancreatitis. THE JOURNAL OF PAIN 2023; 24:2199-2210. [PMID: 37451493 PMCID: PMC10787046 DOI: 10.1016/j.jpain.2023.07.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 07/03/2023] [Accepted: 07/07/2023] [Indexed: 07/18/2023]
Abstract
Debilitating abdominal pain is a common symptom affecting most patients with chronic pancreatitis (CP). There are multiple underlying mechanisms that contribute to CP-related pain, which makes successful treatment difficult. The identification of biomarkers for subtypes of pain could provide viable targets for nonopioid interventions and the development of mechanistic approaches to pain management in CP. Nineteen inflammation- and nociception-associated proteins were measured in serum collected from 358 subjects with definite CP enrolled in PROspective Evaluation of Chronic Pancreatitis for EpidEmiologic and Translational StuDies, a prospective observational study of pancreatitis in US adult subjects. First, serum levels of putative biomarkers were compared between CP subjects with and without pain. Only platelet-derived growth factor B (PDGF-B) stood out, with levels significantly higher in the CP pain group as compared to subjects with no pain. Subjects with pain were then stratified into 4 pain subtypes (Neuropathic, Nociceptive, Mixed, and Unclassified). A comparison of putative biomarker concentration among 5 groups (no pain and 4 pain subtypes) identified unique proteins that were correlated with pain subtypes. Serum transforming growth factor beta 1 (TGFβ1) level was significantly higher in the Nociceptive pain group compared to the No pain group, suggesting that TGFβ1 may be a biomarker for nociceptive pain. The Neuropathic pain only group was too small to detect statistical differences. However, glycoprotein 130 (GP130), a coreceptor for interleukin 6, was significantly higher in the Mixed pain group compared to the groups lacking a neuropathic pain component. These data suggest that GP130 may be a biomarker for neuropathic pain in CP. PERSPECTIVE: Serum TGFβ1 and GP130 may be biomarkers for nociceptive and neuropathic CP pain, respectively. Preclinical data suggest inhibiting TGFβ1 or GP130 reduces CP pain in rodent models, indicating that additional translational and clinical studies may be warranted to develop a precision medicine approach to the management of pain in CP.
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Affiliation(s)
- Jami L. Saloman
- Division of Gastroenterology, Hepatology and Nutrition, Department of Medicine, School of Medicine, University of Pittsburgh, PA, USA
- Pittsburgh Center for Pain Research, School of Medicine, University of Pittsburgh, PA, USA
- Department of Neurobiology, School of Medicine, University of Pittsburgh, PA, USA
| | - Yan Li
- Department of Biostatistics, M.D. Anderson Cancer Center, Houston, TX, USA
| | - Kimberly Stello
- Division of Gastroenterology, Hepatology and Nutrition, Department of Medicine, School of Medicine, University of Pittsburgh, PA, USA
| | - Wenhao Li
- Department of Biostatistics, M.D. Anderson Cancer Center, Houston, TX, USA
| | - Shuang Li
- Department of Biostatistics, M.D. Anderson Cancer Center, Houston, TX, USA
| | - Anna Evans Phillips
- Division of Gastroenterology, Hepatology and Nutrition, Department of Medicine, School of Medicine, University of Pittsburgh, PA, USA
| | - Kristen Hall
- Division of Gastroenterology, Hepatology and Nutrition, Department of Medicine, School of Medicine, University of Pittsburgh, PA, USA
| | - Evan L. Fogel
- Digestive and Liver Disorders, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN
| | | | - Liang Li
- Department of Biostatistics, M.D. Anderson Cancer Center, Houston, TX, USA
| | - Dana K. Andersen
- Division of Digestive Diseases and Nutrition, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD
| | - William E. Fisher
- Division of General Surgery, Baylor College of Medicine, Houston, TX
| | - Christopher E. Forsmark
- Division of Gastroenterology, Hepatology, and Nutrition. University of Florida, Gainesville, FL
| | - Phil A. Hart
- Division of Gastroenterology, Hepatology, and Nutrition, The Ohio State University Wexner Medical Center, Columbus, Ohio, USA
| | - Stephen J. Pandol
- Division of Digestive and Liver Diseases, Cedars-Sinai Medical Center, Los Angeles, CA
| | - Walter G. Park
- Division of Gastroenterology and Hepatology, Department of Medicine, Stanford University School of Medicine, Stanford, CA
| | - Mark D. Topazian
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
| | | | - Jose Serrano
- Division of Digestive Diseases and Nutrition, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD
| | - Darwin L. Conwell
- Department of Internal Medicine, College of Medicine, University of Kentucky, Lexington, KY, USA
| | - Dhiraj Yadav
- Division of Gastroenterology, Hepatology and Nutrition, Department of Medicine, School of Medicine, University of Pittsburgh, PA, USA
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7
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Maldonado-García JL, Pérez-Sánchez G, Becerril-Villanueva E, Alvarez-Herrera S, Pavón L, Sánchez-Torres L, Gutiérrez-Ospina G, Girón-Pérez MI, Damian-Morales G, Maldonado-Tapia JO, López-Santiago R, Moreno-Lafont MC. Imipramine Administration in Brucella abortus 2308-Infected Mice Restores Hippocampal Serotonin Levels, Muscle Strength, and Mood, and Decreases Spleen CFU Count. Pharmaceuticals (Basel) 2023; 16:1525. [PMID: 38004391 PMCID: PMC10674296 DOI: 10.3390/ph16111525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 09/25/2023] [Accepted: 09/28/2023] [Indexed: 11/26/2023] Open
Abstract
Brucellosis infection causes non-specific symptoms such as fever, chills, sweating, headaches, myalgia, arthralgia, anorexia, fatigue, and mood disorders. In mouse models, it has been associated with increased levels of IL-6, TNF-α, and IFN-γ, a decrease in serotonin and dopamine levels within the hippocampus, induced loss of muscle strength and equilibrium, and increased anxiety and hopelessness. Imipramine (ImiP), a tricyclic antidepressant, is used to alleviate neuropathic pain. This study evaluated the effects of ImiP on Balb/c mice infected with Brucella abortus 2308 (Ba) at 14- and 28-days post-infection. Serum levels of six cytokines (IFN-γ, IL-6, TNF-α, IL-12, MCP-1. and IL-10) were assessed by FACS, while the number of bacteria in the spleen was measured via CFU. Serotonin levels in the hippocampus were analyzed via HPLC, and behavioral tests were conducted to assess strength, equilibrium, and mood. Our results showed that mice infected with Brucella abortus 2308 and treated with ImiP for six days (Im6Ba14) had significantly different outcomes compared to infected mice (Ba14) at day 14 post-infection. The mood was enhanced in the forced swimming test (FST) (p < 0.01), tail suspension test (TST) (p < 0.0001), and open-field test (p < 0.0001). Additionally, there was an increase in serotonin levels in the hippocampus (p < 0.001). Furthermore, there was an improvement in equilibrium (p < 0.0001) and muscle strength (p < 0.01). Lastly, there was a decrease in IL-6 levels (p < 0.05) and CFU count in the spleen (p < 0.0001). At 28 days, infected mice that received ImiP for 20 days (Im20Ba28) showed preservation of positive effects compared to infected mice (Ba28). These effects include the following: (1) improved FST (p < 0.0001) and TST (p < 0.0001); (2) better equilibrium (p < 0.0001) and muscle strength (p < 0.0001); (3) decreased IL-6 levels (p < 0.05); and (4) reduced CFU count in the spleen (p < 0.0001). These findings suggest the potential for ImiP to be used as an adjuvant treatment for the symptoms of brucellosis, which requires future studies.
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Affiliation(s)
- José Luis Maldonado-García
- Laboratorio de Psicoinmunología, Dirección de Investigaciones en Neurociencias del Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Mexico City 14370, Mexico
- Laboratorio de Inmunología Celular, Departamento de Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City 07738, Mexico
| | - Gilberto Pérez-Sánchez
- Laboratorio de Psicoinmunología, Dirección de Investigaciones en Neurociencias del Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Mexico City 14370, Mexico
| | - Enrique Becerril-Villanueva
- Laboratorio de Psicoinmunología, Dirección de Investigaciones en Neurociencias del Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Mexico City 14370, Mexico
| | - Samantha Alvarez-Herrera
- Laboratorio de Psicoinmunología, Dirección de Investigaciones en Neurociencias del Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Mexico City 14370, Mexico
| | - Lenin Pavón
- Laboratorio de Psicoinmunología, Dirección de Investigaciones en Neurociencias del Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Mexico City 14370, Mexico
| | - Luvia Sánchez-Torres
- Laboratorio de Inmunología de los Microorganismos, Departamento de Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City 07738, Mexico
| | - Gabriel Gutiérrez-Ospina
- Laboratorio de Biología de Sistemas, Departamento de Biología Celular y Fisiología, Instituto de Investigaciones Biomédicas y Coordinación de Psicobiología y Neurociencias, Facultad de Psicología, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico
| | | | - Gabriela Damian-Morales
- Laboratorio de Inmunología Celular, Departamento de Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City 07738, Mexico
| | - Jesús Octavio Maldonado-Tapia
- Laboratorio de Psicoinmunología, Dirección de Investigaciones en Neurociencias del Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Mexico City 14370, Mexico
- Laboratorio de Inmunología Celular, Departamento de Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City 07738, Mexico
| | - Rubén López-Santiago
- Laboratorio de Inmunología Celular, Departamento de Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City 07738, Mexico
| | - Martha C Moreno-Lafont
- Laboratorio de Inmunología Celular, Departamento de Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City 07738, Mexico
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Irwin MR, Straub RH, Smith MT. Heat of the night: sleep disturbance activates inflammatory mechanisms and induces pain in rheumatoid arthritis. Nat Rev Rheumatol 2023; 19:545-559. [PMID: 37488298 DOI: 10.1038/s41584-023-00997-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/29/2023] [Indexed: 07/26/2023]
Abstract
Sleep has a homeostatic role in the regulation of the immune system and serves to constrain activation of inflammatory signalling and expression of cellular inflammation. In patients with rheumatoid arthritis (RA), a misaligned inflammatory profile induces a dysregulation of sleep-wake activity, which leads to excessive inflammation and the induction of increased sensitivity to pain. Given that multiple biological mechanisms contribute to sleep disturbances (such as insomnia), and that the central nervous system communicates with the innate immune system via neuroendocrine and neural effector pathways, potential exists to develop prevention opportunities to mitigate the risk of insomnia in RA. Furthermore, understanding these risk mechanisms might inform additional insomnia treatment strategies directed towards steering and reducing the magnitude of the inflammatory response, which together could influence outcomes of pain and disease activity in RA.
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Affiliation(s)
- Michael R Irwin
- Department of Psychiatry and Behavioral Sciences, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA.
- Cousins Center for Psychoneuroimmunology, UCLA Semel Institute for Neuroscience and Human Behaviour, Los Angeles, CA, USA.
| | - Rainer H Straub
- Laboratory of Experimental Rheumatology and Neuroendocrine Immunology, Department of Internal Medicine I, University Hospital, Regensburg, Germany
| | - Michael T Smith
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University, School of Medicine, Baltimore, MD, USA
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9
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Oggero S, Cecconello C, Silva R, Zeboudj L, Sideris-Lampretsas G, Perretti M, Malcangio M. Dorsal root ganglia CX3CR1 expressing monocytes/macrophages contribute to arthritis pain. Brain Behav Immun 2022; 106:289-306. [PMID: 36115544 PMCID: PMC10166715 DOI: 10.1016/j.bbi.2022.09.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 09/06/2022] [Accepted: 09/11/2022] [Indexed: 11/18/2022] Open
Abstract
Pain is a persistent symptom of Rheumatoid Arthritis, and the K/BxN serum transfer model recapitulates both association and dissociation between pain and joint inflammation in RA. Furthermore, this model features monocyte/macrophage infiltration in joints and lumbar dorsal root ganglia (DRG), where these immune cells are close to nociceptive neurons. We focussed on CX3CR1-monocyte/macrophage trafficking and show that at peak paw swelling associated with nociception, CX3CR1 deletion altered neither swelling nor macrophage infiltration/phenotype in paws. However, acute nociception and DRG non-classical monocyte numbers were reduced in CX3CR1GFP/GFP (KO) compared to CX3CR1+/GFP (WT). Nociception that persisted despite swelling had resolved was attenuated in KO and correlated with DRG macrophages displaying M2-like phenotype. Still in the DRG, neurons up-regulated neuropeptide CGRP and olcegepant treatment reduced acute swelling, nociception, and leukocyte infiltration in paws and DRG. We delineate in-vitro a signalling pathway showing that CGRP liberates the CX3CR1 ligand fractalkine (FKN) from endothelium, and in bone marrow-derived macrophages, FKN promotes activation of intracellular kinases, polarisation towards M1-like phenotype and release of pro-nociceptive IL-6. These data implicate non-classical CX3CR1-expressing monocyte and macrophage recruitment into the DRG in initiation and maintenance of arthritis pain.
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Affiliation(s)
- Silvia Oggero
- Wolfson Centre for Age Related Diseases, King's College London, London SE1 1UL, UK
| | - Chiara Cecconello
- The William Harvey Research Institute, Barts and The London School of Medicine, Queen Mary University of London, London EC1M 6BQ, UK
| | - Rita Silva
- Wolfson Centre for Age Related Diseases, King's College London, London SE1 1UL, UK
| | - Lynda Zeboudj
- Wolfson Centre for Age Related Diseases, King's College London, London SE1 1UL, UK
| | | | - Mauro Perretti
- The William Harvey Research Institute, Barts and The London School of Medicine, Queen Mary University of London, London EC1M 6BQ, UK; Centre for Inflammation and Therapeutic Innovation, Queen Mary University of London, London, UK
| | - Marzia Malcangio
- Wolfson Centre for Age Related Diseases, King's College London, London SE1 1UL, UK.
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10
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Hiroki CH, Sarden N, Hassanabad MF, Yipp BG. Innate Receptors Expression by Lung Nociceptors: Impact on COVID-19 and Aging. Front Immunol 2021; 12:785355. [PMID: 34975876 PMCID: PMC8716370 DOI: 10.3389/fimmu.2021.785355] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 11/16/2021] [Indexed: 12/14/2022] Open
Abstract
The lungs are constantly exposed to non-sterile air which carries harmful threats, such as particles and pathogens. Nonetheless, this organ is equipped with fast and efficient mechanisms to eliminate these threats from the airways as well as prevent pathogen invasion. The respiratory tract is densely innervated by sensory neurons, also known as nociceptors, which are responsible for the detection of external stimuli and initiation of physiological and immunological responses. Furthermore, expression of functional innate receptors by nociceptors have been reported; however, the influence of these receptors to the lung function and local immune response is poorly described. The COVID-19 pandemic has shown the importance of coordinated and competent pulmonary immunity for the prevention of pathogen spread as well as prevention of excessive tissue injury. New findings suggest that lung nociceptors can be a target of SARS-CoV-2 infection; what remains unclear is whether innate receptor trigger sensory neuron activation during SARS-CoV-2 infection and what is the relevance for the outcomes. Moreover, elderly individuals often present with respiratory, neurological and immunological dysfunction. Whether aging in the context of sensory nerve function and innate receptors contributes to the disorders of these systems is currently unknown. Here we discuss the expression of innate receptors by nociceptors, particularly in the lungs, and the possible impact of their activation on pulmonary immunity. We then demonstrate recent evidence that suggests lung sensory neurons as reservoirs for SARS-CoV-2 and possible viral recognition via innate receptors. Lastly, we explore the mechanisms by which lung nociceptors might contribute to disturbance in respiratory and immunological responses during the aging process.
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Affiliation(s)
- Carlos H. Hiroki
- Calvin, Phoebe and Joan Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Department of Critical Care, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Nicole Sarden
- Calvin, Phoebe and Joan Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Department of Critical Care, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Mortaza F. Hassanabad
- Calvin, Phoebe and Joan Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Department of Critical Care, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Bryan G. Yipp
- Calvin, Phoebe and Joan Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Department of Critical Care, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
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11
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Pan F, Tian J, Cicuttini F, Jones G. Prospective Association Between Inflammatory Markers and Knee Cartilage Volume Loss and Pain Trajectory. Pain Ther 2021; 11:107-119. [PMID: 34837639 PMCID: PMC8861228 DOI: 10.1007/s40122-021-00341-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 11/10/2021] [Indexed: 01/15/2023] Open
Abstract
Introduction Inflammation has been suggested to be involved in the pathogenesis of osteoarthritis and pain. We sought to explore the associations between inflammatory serum markers and magnetic resonance imaging-defined long-term structural change and pain trajectory. Methods A total of 169 randomly selected participants (mean age 63 years; 47% female) from a prospective cohort study were included in this study. Circulating levels of interleukin 6 (IL-6), tumour necrosis factor alpha (TNF-α) and high-sensitivity C-reactive protein (CRP) were measured at baseline. A knee MRI scan was performed to measure cartilage volume (CV) and bone marrow lesions (BMLs) at baseline and at 10.7 years. Knee pain at four visits was measured by the WOMAC pain questionnaire, and pain trajectories were identified using group-based trajectory modelling. Linear, log-binomial and multi-nominal logistic regression were used for the analyses. Results IL-6 was associated with lateral but not medial tibial CV loss (β = − 0.25% per annum, per standard deviation [SD] log pg/ml; P < 0.05) in the multivariate analysis. IL-6 was also associated with a ‘Moderate pain’ trajectory (relative risk ratio 1.93 per SD log pg/ml; 95% confidence interval 1.02–3.65) relative to the ‘Minimal pain’ trajectory group. There was no significant association of TNF-α and CRP with CV loss and pain trajectory groups with the exception of a beneficial relationship between CRP and medial tibial CV loss (β = 0.20% per annum, per SD log mg/l). No association between inflammatory markers and change in BML size was observed. Conclusions IL-6 was independently associated with compartment-specific CV loss and worse pain trajectory, but the other markers studied were not, suggesting that components of inflammation are implicated in the pathogenesis of cartilage loss and developing a worse pain course. Supplementary Information The online version contains supplementary material available at 10.1007/s40122-021-00341-1.
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Affiliation(s)
- Feng Pan
- Menzies Institute for Medical Research, University of Tasmania, Private Bag 23, Hobart, TAS, 7000, Australia.
| | - Jing Tian
- Menzies Institute for Medical Research, University of Tasmania, Private Bag 23, Hobart, TAS, 7000, Australia
| | - Flavia Cicuttini
- Department of Epidemiology and Preventive Medicine, Monash University Medical School, Commercial Road, Melbourne, VIC, 3181, Australia
| | - Graeme Jones
- Menzies Institute for Medical Research, University of Tasmania, Private Bag 23, Hobart, TAS, 7000, Australia
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12
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Jenkins RH, Hughes STO, Figueras AC, Jones SA. Unravelling the broader complexity of IL-6 involvement in health and disease. Cytokine 2021; 148:155684. [PMID: 34411990 DOI: 10.1016/j.cyto.2021.155684] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 07/20/2021] [Accepted: 08/04/2021] [Indexed: 02/07/2023]
Abstract
The classification of interleukin-6 (IL-6) as a pro-inflammatory cytokine undervalues the biological impact of this cytokine in health and disease. With broad activities affecting the immune system, tissue homeostasis and metabolic processes, IL-6 displays complex biology. The significance of these involvements has become increasingly important in clinical settings where IL-6 is identified as a prominent target for therapy. Here, clinical experience with IL-6 antagonists emphasises the need to understand the context-dependent properties of IL-6 within an inflammatory environment and the anticipated or unexpected consequences of IL-6 blockade. In this review, we will describe the immunobiology of IL-6 and explore the gamut of IL-6 bioactivity affecting the clinical response to biological drugs targeting this cytokine pathway.
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Affiliation(s)
- Robert H Jenkins
- Division of Infection & Immunity, The School of Medicine, Cardiff University, Cardiff, Wales, UK; Systems Immunity Research Institute, The School of Medicine, Cardiff University, Cardiff, Wales, UK
| | - Stuart T O Hughes
- Division of Infection & Immunity, The School of Medicine, Cardiff University, Cardiff, Wales, UK; Systems Immunity Research Institute, The School of Medicine, Cardiff University, Cardiff, Wales, UK
| | - Ana Cardus Figueras
- Division of Infection & Immunity, The School of Medicine, Cardiff University, Cardiff, Wales, UK; Systems Immunity Research Institute, The School of Medicine, Cardiff University, Cardiff, Wales, UK
| | - Simon A Jones
- Division of Infection & Immunity, The School of Medicine, Cardiff University, Cardiff, Wales, UK; Systems Immunity Research Institute, The School of Medicine, Cardiff University, Cardiff, Wales, UK.
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13
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Selective Expression of a SNARE-Cleaving Protease in Peripheral Sensory Neurons Attenuates Pain-Related Gene Transcription and Neuropeptide Release. Int J Mol Sci 2021; 22:ijms22168826. [PMID: 34445536 PMCID: PMC8396265 DOI: 10.3390/ijms22168826] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 08/08/2021] [Accepted: 08/12/2021] [Indexed: 12/31/2022] Open
Abstract
Chronic pain is a leading health and socioeconomic problem and an unmet need exists for long-lasting analgesics. SNAREs (soluble N-ethylmaleimide-sensitive factor attachment protein receptors) are required for neuropeptide release and noxious signal transducer surface trafficking, thus, selective expression of the SNARE-cleaving light-chain protease of botulinum neurotoxin A (LCA) in peripheral sensory neurons could alleviate chronic pain. However, a safety concern to this approach is the lack of a sensory neuronal promoter to prevent the expression of LCA in the central nervous system. Towards this, we exploit the unique characteristics of Pirt (phosphoinositide-interacting regulator of TRP), which is expressed in peripheral nociceptive neurons. For the first time, we identified a Pirt promoter element and cloned it into a lentiviral vector driving transgene expression selectively in peripheral sensory neurons. Pirt promoter driven-LCA expression yielded rapid and concentration-dependent cleavage of SNAP-25 in cultured sensory neurons. Moreover, the transcripts of pain-related genes (TAC1, tachykinin precursor 1; CALCB, calcitonin gene-related peptide 2; HTR3A, 5-hydroxytryptamine receptor 3A; NPY2R, neuropeptide Y receptor Y2; GPR52, G protein-coupled receptor 52; SCN9A, sodium voltage-gated channel alpha subunit 9; TRPV1 and TRPA1, transient receptor potential cation channel subfamily V member 1 and subfamily A member 1) in pro-inflammatory cytokines stimulated sensory neurons were downregulated by viral mediated expression of LCA. Furthermore, viral expression of LCA yielded long-lasting inhibition of pain mediator release. Thus, we show that the engineered Pirt-LCA virus may provide a novel means for long lasting pain relief.
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14
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Gjefsen E, Gervin K, Goll G, Bråten LCH, Wigemyr M, Aass HCD, Vigeland MD, Schistad E, Pedersen LM, Pripp AH, Storheim K, Selmer KK, Zwart JA. Macrophage migration inhibitory factor: a potential biomarker for chronic low back pain in patients with Modic changes. RMD Open 2021; 7:rmdopen-2021-001726. [PMID: 34344830 PMCID: PMC8336134 DOI: 10.1136/rmdopen-2021-001726] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 07/19/2021] [Indexed: 01/20/2023] Open
Abstract
Background Low back pain (LBP) is a leading cause of disability worldwide, but the aetiology remains poorly understood. Finding relevant biomarkers may lead to better understanding of disease mechanisms. Patients with vertebral endplate bone marrow lesions visualised on MRI as Modic changes (MCs) have been proposed as a distinct LBP phenotype, and inflammatory mediators may be involved in the development of MCs. Objectives To identify possible serum biomarkers for LBP in patients with MCs. Methods In this case control study serum levels of 40 cytokines were compared between patients with LBP and MC type 1 (n=46) or type 2 (n=37) and healthy controls (n=50). Results Analyses identified significantly higher levels of six out of 40 cytokines in the MC type 1 group (MC1), and five in the MC type 2 group (MC2) compared with healthy controls. Six cytokines were moderately correlated with pain. Principal component analyses revealed clustering and separation of patients with LBP and controls, capturing 40.8% of the total variance, with 10 cytokines contributing to the separation. Macrophage migration inhibitory factor (MIF) alone accounted for 92% of the total contribution. Further, receiver operating characteristics analysis revealed that MIF showed an acceptable ability to distinguish between patients and controls (area under the curve=0.79). Conclusions These results suggest that cytokines may play a role in LBP with MCs. The clinical significance of the findings is unknown. MIF strongly contributed to clustering of patients with LBP with MCs and controls, and might be a biomarker for MCs. Ultimately, these results may guide future research on novel treatments for this patient group.
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Affiliation(s)
- Elisabeth Gjefsen
- Communication and Research Unit for Musculoskeletal Disorders, Oslo universitetssykehus Ulleval, Oslo, Norway .,Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Kristina Gervin
- Department of Research and Innovation, Oslo University Hospital, Oslo, Norway
| | - Guro Goll
- Department of Rheumatology, Diakonhjemmet Hospital, Oslo, Norway
| | | | - Monica Wigemyr
- Department of Research and Innovation, Oslo University Hospital, Oslo, Norway
| | | | - Maria Dehli Vigeland
- Faculty of Medicine, University of Oslo, Oslo, Norway.,Department of Research and Innovation, Oslo University Hospital, Oslo, Norway
| | - Elina Schistad
- Department of Physical Medicine and Rehabilitation, Oslo University Hospital, Oslo, Norway
| | | | - Are Hugo Pripp
- Oslo Centre of Biostatistics and Epidemiology Research Support Services, Oslo University Hospital Ullevaal, Oslo, Norway
| | - Kjersti Storheim
- Communication and Research Unit for Musculoskeletal Disorders, Oslo universitetssykehus Ulleval, Oslo, Norway.,Department of Physiotherapy, Oslo Metropolitan University, Oslo, Norway
| | | | - John Anker Zwart
- Faculty of Medicine, University of Oslo, Oslo, Norway.,Department of Research and Innovation, Oslo University Hospital, Oslo, Norway
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15
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Abstract
OBJECTIVES Osteoarthritis (OA) is known to be a slowly progressive disease that alters all tissue compartments of the joint involved with a characteristic degradation of the cartilage, bone remodeling, and inflammation. One of the prominent symptoms in OA patients is pain, but a few radiologic, inflammatory, or structurally related biomarkers have shown few if any associations with pain. This study aimed to assess serum levels of 92 markers involved in inflammatory pathways in patients with knee osteoarthritis (KOA) and evaluate their possible associations with the clinical pain intensity. MATERIALS AND METHODS Serum samples were collected from 127 KOA patients and 39 healthy participants with no knee pain. Each serum sample was analyzed for 92 inflammatory markers using the Proximity Extension Array (PEA) technology. Clinical pain intensity was assessed using a Visual Analog Scale, and patients completed the Knee Injury and Osteoarthritis Outcome Score (KOOS) questionnaire. RESULTS Fifteen markers were significantly different when comparing KOA patients and healthy participants. Two markers, fibroblast growth factor-21 and Eukaryotic translation initiation factor 4E-binding protein 1 (4E-BP1), correlated positively with pain intensity (R=0.235, P=0.008; R=0.233, P=0.008). Moreover, a linear regression model showed interleukin-6, macrophage colony-stimulating factor 1, fibroblast growth factor-21, and tumor necrosis factor superfamily member 12 (TWEAK) as significant independent parameters for pain intensity. DISCUSSION The associations between specific cytokines and KOA pain intensities provide new insights into the understanding of the underlying factors driving the pain in OA.
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16
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Maleitzke T, Hildebrandt A, Weber J, Dietrich T, Appelt J, Jahn D, Zocholl D, Baranowsky A, Duda GN, Tsitsilonis S, Keller J. Proinflammatory and bone protective role of calcitonin gene-related peptide alpha in collagen antibody-induced arthritis. Rheumatology (Oxford) 2021; 60:1996-2009. [PMID: 33221885 DOI: 10.1093/rheumatology/keaa711] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Accepted: 09/22/2020] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVES Calcitonin gene-related peptide alpha (αCGRP) represents an immunomodulatory neuropeptide implicated in pain perception. αCGRP also functions as a critical regulator of bone formation and is overexpressed in patients with rheumatoid arthritis (RA). In the present study, we investigated the role of αCGRP in experimental RA regarding joint inflammation and bone remodelling. METHODS Collagen II-antibody-induced arthritis (CAIA) was induced in wild type (WT) and αCGRP-deficient (αCGRP-/-) mice. Animals were monitored over 10 and 48 days with daily assessments of the semiquantitative arthritis score and grip strength test. Joint inflammation, cartilage degradation and bone erosions were assessed by histology, gene expression analysis and µCT. RESULTS CAIA was accompanied by an overexpression of αCGRP in WT joints. αCGRP-/- mice displayed reduced arthritic inflammation and cartilage degradation. Congruently, the expression of TNF-α, IL-1β, CD80 and MMP13 was induced in WT, but not αCGRP-/- animals. WT mice displayed an increased bone turnover during the acute inflammatory phase, which was not the case in αCGRP-/- mice. Interestingly, WT mice displayed a full recovery from the inflammatory bone disease, whereas αCGRP-/- mice exhibited substantial bone loss over time. CONCLUSION This study demonstrates a proinflammatory and bone protective role of αCGRP in CAIA. Our data indicate that αCGRP not only enhances joint inflammation, but also controls bone remodelling as part of arthritis resolution. As novel αCGRP inhibitors are currently introduced clinically for the treatment of migraine, their potential impact on RA progression warrants further clinical investigation.
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Affiliation(s)
- Tazio Maleitzke
- Center for Musculoskeletal Surgery, Charité - Universitätsmedizin Berlin, Berlin, Germany.,Julius Wolff Institute, Charité - Universitätsmedizin Berlin, Berlin, Germany.,Berlin Institute of Health (BIH), Berlin, Germany
| | - Alexander Hildebrandt
- Center for Musculoskeletal Surgery, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Jérôme Weber
- Center for Musculoskeletal Surgery, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Tamara Dietrich
- Center for Musculoskeletal Surgery, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Jessika Appelt
- Center for Musculoskeletal Surgery, Charité - Universitätsmedizin Berlin, Berlin, Germany.,Julius Wolff Institute, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Denise Jahn
- Center for Musculoskeletal Surgery, Charité - Universitätsmedizin Berlin, Berlin, Germany.,Julius Wolff Institute, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Dario Zocholl
- Institute of Biometry and Clinical Epidemiology, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Anke Baranowsky
- Department of Trauma and Orthopedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Georg N Duda
- Julius Wolff Institute, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Serafeim Tsitsilonis
- Center for Musculoskeletal Surgery, Charité - Universitätsmedizin Berlin, Berlin, Germany.,Julius Wolff Institute, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Johannes Keller
- Berlin Institute of Health (BIH), Berlin, Germany.,Department of Trauma and Orthopedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
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Kummer KK, Zeidler M, Kalpachidou T, Kress M. Role of IL-6 in the regulation of neuronal development, survival and function. Cytokine 2021; 144:155582. [PMID: 34058569 DOI: 10.1016/j.cyto.2021.155582] [Citation(s) in RCA: 60] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 05/07/2021] [Accepted: 05/11/2021] [Indexed: 12/17/2022]
Abstract
The pleiotropic cytokine interleukin-6 (IL-6) is emerging as a molecule with both beneficial and destructive potentials. It can exert opposing actions triggering either neuron survival after injury or causing neurodegeneration and cell death in neurodegenerative or neuropathic disorders. Importantly, neurons respond differently to IL-6 and this critically depends on their environment and whether they are located in the peripheral or the central nervous system. In addition to its hub regulator role in inflammation, IL-6 is recently emerging as an important regulator of neuron function in health and disease, offering exciting possibilities for more mechanistic insight into the pathogenesis of mental, neurodegenerative and pain disorders and for developing novel therapies for diseases with neuroimmune and neurogenic pathogenic components.
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Affiliation(s)
- Kai K Kummer
- Institute of Physiology, Medical University of Innsbruck, Austria
| | | | | | - Michaela Kress
- Institute of Physiology, Medical University of Innsbruck, Austria.
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18
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Cell-cell interactions in joint pain: rheumatoid arthritis and osteoarthritis. Pain 2021; 162:714-717. [PMID: 33591110 DOI: 10.1097/j.pain.0000000000002174] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 12/15/2020] [Indexed: 01/10/2023]
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19
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Pongratz G. [Pain in rheumatic diseases : What can biologics and JAK inhibitors offer?]. Z Rheumatol 2021; 80:214-225. [PMID: 33443608 DOI: 10.1007/s00393-020-00957-2] [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] [Accepted: 12/12/2020] [Indexed: 11/25/2022]
Abstract
Persistent pain despite adequate inflammation control poses a big challenge in many rheumatic diseases for patients as well as physicians. The focus of drug development over the past years was on anti-inflammatory therapies. Enormous progress has been made and several treatment options have been added. It has been observed that pain triggered by inflammation can be effectively treated by inflammation control; however, the chronic pain component remains a problem, is little studied and specific treatment options are missing. Pain is influenced by inflammatory mediators, such as cytokines, which act on peripheral nociceptors and lead to peripheral sensitization. If inflammation continues, this can potentially lead to central sensitization and chronification of pain via immigration of immune cells and/or local activation of e.g. microglia. This leads to increasing autonomization and uncoupling of pain from the actual inflammatory process. The present review deals with the question if bDMARD or tsDMARD also show benefits concerning pain processes in addition to the profound inhibitory effects on inflammation. There are preclinical data that show an influence on sensitization following the use of cytokine inhibitors. On the other hand, so far clinical data show that bDMARDs as well as tsDMARDs consistently rapidly and reliably reduce nociceptive inflammatory pain across disease entities. An effect especially on the process of central sensitization and therefore on chronification of pain cannot be finally evaluated based on the currently available data.
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Affiliation(s)
- G Pongratz
- Poliklink, Funktionsbereich und Hiller Forschungszentrum für Rheumatologie, Universitätsklinikum Düsseldorf, Moorenstr. 5, 40225, Düsseldorf, Deutschland.
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20
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Pain Mechanism in Rheumatoid Arthritis: From Cytokines to Central Sensitization. Mediators Inflamm 2020; 2020:2076328. [PMID: 33005097 PMCID: PMC7503123 DOI: 10.1155/2020/2076328] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 08/13/2020] [Accepted: 08/26/2020] [Indexed: 12/14/2022] Open
Abstract
Pain is the most common symptom in patients with rheumatoid arthritis (RA). Although in recent years, through the implementation of targeted treatment and the introduction of disease-modifying antirheumatic drugs (DMARDs), the treatment of RA patients has made a significant progress, a large proportion of patients still feel pain. Finding appropriate treatment to alleviate the pain is very important for RA patients. Current research showed that, in addition to inflammation, RA pain involves peripheral sensitization and abnormalities in the central nervous system (CNS) pain regulatory mechanisms. This review summarized the literature on pain mechanisms of RA published in recent years. A better understanding of pain mechanisms will help to develop new analgesic targets and deploy new and existing therapies.
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21
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Dai SP, Hsieh WS, Chen CH, Lu YH, Huang HS, Chang DM, Huang SL, Sun WH. TDAG8 deficiency reduces satellite glial number and pro-inflammatory macrophage number to relieve rheumatoid arthritis disease severity and chronic pain. J Neuroinflammation 2020; 17:170. [PMID: 32471455 PMCID: PMC7257243 DOI: 10.1186/s12974-020-01851-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Accepted: 05/21/2020] [Indexed: 11/12/2022] Open
Abstract
Background The autoimmune disease rheumatoid arthritis (RA) affects approximately 1% of the global population. RA is characterized with chronic joint inflammation and often associated with chronic pain. The imbalance of pro-inflammatory and anti-inflammatory macrophages is a feature of RA progression. Glial cells affecting neuronal sensitivity at both peripheral and central levels may also be important for RA progression and associated pain. Genetic variants in the T cell death-associated gene 8 (TDAG8) locus are found to associate with spondyloarthritis. TDAG8 was also found involved in RA disease progression and associated hyperalgesia in the RA mouse model. However, its modulation in RA remains unclear. Methods To address this question, we intra-articularly injected complete Freund’s adjuvant (CFA) into TDAG8+/+, TDAG8−/− or wild-type mice, followed by pain behavioral tests. Joints and dorsal root ganglia were taken, sectioned, and stained with antibodies to observe the number of immune cells, macrophages, and satellite glial cells (SGCs). For compound treatments, compounds were intraperitoneally or orally administered weekly for 9 consecutive weeks after CFA injection. Results We demonstrated that TDAG8 deletion slightly reduced RA pain in the early phase but dramatically attenuated RA progression and pain in the chronic phase (> 7 weeks). TDAG8 deletion inhibited an increase in SGC number and inhibition of SGC function attenuated chronic phase of RA pain, so TDAG8 could regulate SGC number to control chronic pain. TDAG8 deletion also reduced M1 pro-inflammatory macrophage number at 12 weeks, contributing to the attenuation of chronic RA pain. Such results were further confirmed by using salicylanilide derivatives, CCL-2d or LCC-09, to suppress TDAG8 expression and function. Conclusions This study demonstrates that TDAG8 deletion reduced SGC and M1 macrophage number to relieve RA disease severity and associated chronic pain. M1 macrophages are critical for the development and maintenance of RA disease and pain, but glial activation is also required for the chronic phase of RA pain.
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Affiliation(s)
- Shih-Ping Dai
- Department of Life Sciences, National Central University, Jhongli, Taoyuan City, Taiwan
| | - Wei-Shan Hsieh
- Department of Life Sciences, National Central University, Jhongli, Taoyuan City, Taiwan
| | - Chien-Hua Chen
- Department of Life Sciences, National Central University, Jhongli, Taoyuan City, Taiwan
| | - Yueh-Hao Lu
- Department of Life Sciences, National Central University, Jhongli, Taoyuan City, Taiwan
| | - Hsu-Shan Huang
- Graduate Institute for Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| | - Der-Ming Chang
- Division of Allergy, Immunology, Rheumatology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Shir-Ly Huang
- Institute of Microbiology and Immunology, National Yang-Ming University, Taipei, Taiwan
| | - Wei-Hsin Sun
- Department of Life Sciences, National Central University, Jhongli, Taoyuan City, Taiwan. .,Department of Life Sciences and Institute of Genome Sciences, National Yang-Ming University, Taipei, Taiwan.
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22
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Shabestari M, Shabestari YR, Landin MA, Pepaj M, Cleland TP, Reseland JE, Eriksen EF. Altered protein levels in bone marrow lesions of hip osteoarthritis: Analysis by proteomics and multiplex immunoassays. Int J Rheum Dis 2020; 23:788-799. [PMID: 32383346 DOI: 10.1111/1756-185x.13843] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 02/28/2020] [Accepted: 03/23/2020] [Indexed: 12/18/2022]
Abstract
AIM To assess tissue level changes of proteome and cytokine profiles of subchondral bone in hip osteoarthritis (OA) affected by bone marrow lesions (BMLs). We compared significant protein level differences in osteoarthritic bone with BMLs to control bone without bone marrow lesions. METHODS Subchondral bone biopsies were taken from femoral heads of end-stage osteoarthritis patients with (BML, n = 21) and without (CON, n = 9) BMLs. Proteins were extracted through a standardized Trizol protocol and used in the subsequent analyses. Angiogenesis and bone markers were assessed using multiplex immunoassays (Luminex). Liquid chromatography tandem mass spectrometry (LC-MS/MS) was performed to detect significant differences in proteome and peptide profiles between BML and CON. RESULTS Multiplex immunoassays revealed increased tissue contents of vascular endothelial growth factors (VEGF-A/C/D), endothelin-1, angiopoietin-2 and interleukin-6 (IL-6) in bone with BMLs compared to control bone, whereas osteoprotegerin levels were reduced. Mass spectrometry demonstrated pronounced increase in the levels of hemoglobin (73-fold), serum albumin (30-fold), alpha-1-antitrypsin (9-fold), apolipoprotein A1 (4.7-fold), pre-laminin-A/C (3.7-fold) and collagen-alpha1-XII (3-fold) in BMLs, while aggrecan core protein (ACAN) and hyaluronan and proteoglycan link protein 1 (HAPL1) decreased 37- and 29-fold respectively. CONCLUSION Reduced osteoprotegerin, ACAN and HAPL1 are consistent with osteoclastic activation and high remodeling activity in BMLs. The pronounced increase in angiogenesis markers, hemoglobin and serum albumin support the presence of increased vascularity in subchondral bone affected by BMLs in OA. VEGFs and IL-6 are known nociceptive modulators, and increased levels are in keeping with pain being a clinical feature frequently associated with BMLs.
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Affiliation(s)
| | | | - Maria A Landin
- Department of Biomaterials, University of Oslo, Oslo, Norway
| | - Milaim Pepaj
- Department of Medical Biochemistry, Oslo University Hospital, Oslo, Norway
| | | | | | - Erik F Eriksen
- Department of Endocrinology, Oslo University Hospital (Aker), Oslo, Norway.,Faculty of Medicine, Institue of Clinical Medicine, University of Oslo, Oslo, Norway
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Kung CC, Dai SP, Chiang H, Huang HS, Sun WH. Temporal expression patterns of distinct cytokines and M1/M2 macrophage polarization regulate rheumatoid arthritis progression. Mol Biol Rep 2020; 47:3423-3437. [PMID: 32277445 DOI: 10.1007/s11033-020-05422-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Accepted: 04/03/2020] [Indexed: 02/06/2023]
Abstract
Rheumatoid arthritis (RA) is an autoimmune disease characterized by chronic inflammation of synovial joints and often associated with chronic pain. Chronic joint inflammation is attributed to severe proliferation of synoviocytes and resident macrophages and infiltration of immune cells. These cells secrete pro-inflammatory cytokines such as tumor necrosis factor α (TNF-α), interleukin 6 (IL-6) and IL-17 to overcome actions of anti-inflammatory cytokines, thereby maintaining chronic inflammation and pain. The imbalance between pro-inflammatory cytokines (produced by M1 macrophages) and anti-inflammatory cytokines (produced by M2 macrophages) is a feature of RA progression, but the switch time of M1/M2 polarization and which receptor regulates the switch remain unsolved. Here we used an established RA mouse model to demonstrate that TNF-α expression was responsible for the initial acute stage of inflammation and pain (1-4 weeks), IL-17 expression the transition stage (4-12 weeks), and IL-6 expression the later maintenance stage (> 12 weeks). The switch time of M1/M2 polarization occurred at 4-8 weeks. We also identified a potential compound, anthra[2,1-c][1,2,5] thiadiazole-6,11-dione (NSC745885), that specifically inhibited T-cell death-associated gene 8 (TDAG8) function and expression. NSC745885 decreased joint inflammation and destruction and attenuated pain by reducing cytokine production and regulating the M1/M2 polarization switch. TDAG8 may participate in regulating the M1/M2 polarization and temporal expression of distinct cytokines to control RA progression.
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Affiliation(s)
- Chia-Chi Kung
- Department of Life Sciences, Zhongli District, National Central University, Taoyuan City, Taiwan.,Division of Anesthesiology, Fu Jen Catholic University Hospital, New Taipei City, Taiwan.,School of Medicine, College of Medicine, Fu Jen Catholic University, New Taipei City, Taiwan
| | - Shih-Ping Dai
- Department of Life Sciences, Zhongli District, National Central University, Taoyuan City, Taiwan
| | - Hao Chiang
- Department of Life Sciences, Zhongli District, National Central University, Taoyuan City, Taiwan
| | - Hsu-Shan Huang
- Graduated Institute of Cancer Biology and Drug Discovery, Taipei Medical University, Taipei City, Taiwan
| | - Wei-Hsin Sun
- Department of Life Sciences, Zhongli District, National Central University, Taoyuan City, Taiwan. .,Department of Life Sciences and Institute of Genome Sciences, National Yang-Ming University, No. 155, Sec2, Linong Street, Taipei, 112, Taiwan.
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24
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Pain-related behaviors associated with persistence of mechanical hyperalgesia after antigen-induced arthritis in rats. Pain 2020; 161:1571-1583. [DOI: 10.1097/j.pain.0000000000001852] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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25
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Gonçalves WA, Rezende BM, de Oliveira MPE, Ribeiro LS, Fattori V, da Silva WN, Prazeres PHDM, Queiroz-Junior CM, Santana KTDO, Costa WC, Beltrami VA, Costa VV, Birbrair A, Verri WA, Lopes F, Cunha TM, Teixeira MM, Amaral FA, Pinho V. Sensory Ganglia-Specific TNF Expression Is Associated With Persistent Nociception After Resolution of Inflammation. Front Immunol 2020; 10:3120. [PMID: 32038637 PMCID: PMC6984351 DOI: 10.3389/fimmu.2019.03120] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Accepted: 12/20/2019] [Indexed: 12/26/2022] Open
Abstract
Joint pain is a distressing symptom of arthritis, and it is frequently persistent even after treatments which reduce local inflammation. Continuous production of algogenic factors activate/sensitize nociceptors in the joint structures and contribute to persistent pain, a challenging and difficult condition to treat. TNF is a crucial cytokine for the pathogenesis of several rheumatic diseases, and its inhibition is a mainstay of treatment to control joint symptoms, including pain. Here, we sought to investigate the inflammatory changes and the role of TNF in dorsal root ganglia (DRG) during persistent hypernociception after the resolution of acute joint inflammation. Using a model of antigen-induced arthritis, the peak of joint inflammation occurred 12–24 h after local antigen injection and was characterized by an intense influx of neutrophils, pro-inflammatory cytokine production, and joint damage. We found that inflammatory parameters in the joint returned to basal levels between 6 and 8 days after antigen-challenge, characterizing the resolving phase of joint inflammation. Mechanical hyperalgesia was persistent up to 14 days after joint insult. The persistent nociception was associated with the inflammatory status of DRG after cessation of acute joint inflammation. The late state of neuroinflammation in the ipsilateral side was evidenced by gene expression of TNF, TNFR2, IL-6, IL-1β, CXCL2, COX2, and iNOS in lumbar DRG (L3-L5) and leukocyte adhesion in the lumbar intumescent vessels between days 6 and 8. Moreover, there were signs of resident macrophage activation in DRG, as evidenced by an increase in Iba1-positive cells. Intrathecal or systemic injection of etanercept, an agent clinically utilized for TNF neutralization, at day 7 post arthritis induction, alleviated the persistent joint hyperalgesia by specific action in DRG. Our data suggest that neuroinflammation in DRG after the resolution of acute joint inflammation drives continuous neural sensitization resulting in persistent joint nociception in a TNF-dependent mechanism.
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Affiliation(s)
- William Antonio Gonçalves
- Departamento de Morfologia, Instituto de Ciências Biológicas (ICB), Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Barbara Maximino Rezende
- Departamento de Enfermagem Básica, Escola de Enfermagem da Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Marcos Paulo Esteves de Oliveira
- Departamento de Morfologia, Instituto de Ciências Biológicas (ICB), Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Lucas Secchim Ribeiro
- Biomediziniches Zentrum (BMZ), Institut für Angeborene Immunität, Rheinische Friedrich-Wilhelms-Universität Bonn, Venusberg, Germany
| | - Victor Fattori
- Departamento de Patologia, Center of Biological Sciences, Londrina State University, Londrina, Brazil
| | - Walison Nunes da Silva
- Departamento de Patologia, Instituto de Ciências Biológicas (ICB), Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | | | - Celso Martins Queiroz-Junior
- Departamento de Morfologia, Instituto de Ciências Biológicas (ICB), Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Karina Talita de Oliveira Santana
- Departamento de Genética, Ecologia e Evolução, Instituto de Ciências Biológicas (ICB), Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Walyson Coelho Costa
- Departamento de Morfologia, Instituto de Ciências Biológicas (ICB), Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Vinícius Amorim Beltrami
- Departamento de Morfologia, Instituto de Ciências Biológicas (ICB), Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Vivian Vasconcelos Costa
- Departamento de Morfologia, Instituto de Ciências Biológicas (ICB), Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Alexander Birbrair
- Departamento de Patologia, Instituto de Ciências Biológicas (ICB), Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Waldiceu A Verri
- Departamento de Patologia, Center of Biological Sciences, Londrina State University, Londrina, Brazil
| | - Fernando Lopes
- Institute of Parasitology and Department of Microbiology and Immunology, McGill University, Montreal, QC, Canada
| | - Thiago Mattar Cunha
- Departamento de Farmacologia, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo (USP), Ribeirão Preto, Brazil
| | - Mauro Martins Teixeira
- Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas (ICB), Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Flávio Almeida Amaral
- Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas (ICB), Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Vanessa Pinho
- Departamento de Morfologia, Instituto de Ciências Biológicas (ICB), Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
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Bone Pain in Cancer Patients: Mechanisms and Current Treatment. Int J Mol Sci 2019; 20:ijms20236047. [PMID: 31801267 PMCID: PMC6928918 DOI: 10.3390/ijms20236047] [Citation(s) in RCA: 94] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 11/17/2019] [Accepted: 11/28/2019] [Indexed: 02/06/2023] Open
Abstract
The skeletal system is the third most common site for cancer metastases, surpassed only by the lungs and liver. Many tumors, especially those of the breast, prostate, lungs, and kidneys, have a strong predilection to metastasize to bone, which causes pain, hypercalcemia, pathological skeletal fractures, compression of the spinal cord or other nervous structures, decreased mobility, and increased mortality. Metastatic cancer-induced bone pain (CIBP) is a type of chronic pain with unique and complex pathophysiology characterized by nociceptive and neuropathic components. Its treatment should be multimodal (pharmacological and non-pharmacological), including causal anticancer and symptomatic analgesic treatment to improve quality of life (QoL). The aim of this paper is to discuss the mechanisms involved in the occurrence and persistence of cancer-associated bone pain and to review the treatment methods recommended by experts in clinical practice. The final part of the paper reviews experimental therapeutic methods that are currently being studied and that may improve the efficacy of bone pain treatment in cancer patients in the future.
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Magadmi R, Meszaros J, Damanhouri ZA, Seward EP. Secretion of Mast Cell Inflammatory Mediators Is Enhanced by CADM1-Dependent Adhesion to Sensory Neurons. Front Cell Neurosci 2019; 13:262. [PMID: 31275114 PMCID: PMC6591473 DOI: 10.3389/fncel.2019.00262] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Accepted: 05/24/2019] [Indexed: 01/05/2023] Open
Abstract
Neuroimmune interactions are important in the pathophysiology of many chronic inflammatory diseases, particularly those associated with alterations in sensory processing and pain. Mast cells and sensory neuron nerve endings are found in areas of the body exposed to the external environment, both are specialized to sense potential damage by injury or pathogens and signal to the immune system and nervous system, respectively, to elicit protective responses. Cell adhesion molecule 1 (CADM1), also known as SynCAM1, has previously been identified as an adhesion molecule which may couple mast cells to sensory neurons however, whether this molecule exerts a functional as well as structural role in neuroimmune cross-talk is unknown. Here we show, using a newly developed in vitro co-culture system consisting of murine bone marrow derived mast cells (BMMC) and adult sensory neurons isolated from dorsal root ganglions (DRG), that CADM1 is expressed in mast cells and adult sensory neurons and mediates strong adhesion between the two cell types. Non-neuronal cells in the DRG cultures did not express CADM1, and mast cells did not adhere to them. The interaction of BMMCs with sensory neurons was found to induce mast cell degranulation and IL-6 secretion and to enhance responses to antigen stimulation and activation of FcεRI receptors. Secretion of TNFα in contrast was not affected, nor was secretion evoked by compound 48/80. Co-cultures of BMMCs with HEK 293 cells, which also express CADM1, while also leading to adhesion did not replicate the effects of sensory neurons on mast cells, indicative of a neuron-specific interaction. Application of a CADM1 blocking peptide or knockdown of CADM1 in BMMCs significantly decreased BMMC attachment to sensory neurites and abolished the enhanced secretory responses of mast cells. In conclusion, CADM1 is necessary and sufficient to drive mast cell-sensory neuron adhesion and promote the development of a microenvironment in which neurons enhance mast cell responsiveness to antigen, this interaction could explain why the incidence of painful neuroinflammatory disorders such as irritable bowel syndrome (IBS) are increased in atopic patients.
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Affiliation(s)
- Rania Magadmi
- Department of Biomedical Science, University of Sheffield, Sheffield, United Kingdom.,Department of Pharmacology, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Judit Meszaros
- Department of Biomedical Science, University of Sheffield, Sheffield, United Kingdom
| | - Zoheir A Damanhouri
- Department of Pharmacology, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Elizabeth P Seward
- Department of Biomedical Science, University of Sheffield, Sheffield, United Kingdom
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Wang L, Jiang X, Zheng Q, Jeon SM, Chen T, Liu Y, Kulaga H, Reed R, Dong X, Caterina MJ, Qu L. Neuronal FcγRI mediates acute and chronic joint pain. J Clin Invest 2019; 129:3754-3769. [PMID: 31211699 DOI: 10.1172/jci128010] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Although joint pain in rheumatoid arthritis (RA) is conventionally thought to result from inflammation, arthritis pain and joint inflammation are at least partially uncoupled. This suggests that additional pain mechanisms in RA remain to be explored. Here we show that FcγRI, an immune receptor for IgG immune complex (IgG-IC), is expressed in a subpopulation of joint sensory neurons and that, under naïve conditions, FcγRI crosslinking by IgG-IC directly activates the somata and peripheral terminals of these neurons to evoke acute joint hypernociception without obvious concurrent joint inflammation. These effects were diminished in both global and sensory neuron-specific Fcgr1 knockout mice. In murine models of inflammatory arthritis, FcγRI signaling was upregulated in joint sensory neurons. Acute blockade or global genetic deletion of Fcgr1 significantly attenuated arthritis pain and hyperactivity of joint sensory neurons without measurably altering joint inflammation. Conditional deletion of Fcgr1 in sensory neurons produced similar analgesic effects in these models. We therefore suggest that FcγRI expressed in sensory neurons contributes to arthritis pain independently of its functions in inflammatory cells. These findings expand our understanding of the immunosensory capabilities of sensory neurons and imply that neuronal FcγRI merits consideration as a target for treating RA pain.
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Affiliation(s)
- Li Wang
- Department of Neurosurgery and Neurosurgery Pain Research Institute
| | - Xiaohua Jiang
- Department of Neurosurgery and Neurosurgery Pain Research Institute
| | - Qin Zheng
- Solomon H. Snyder Department of Neuroscience
| | - Sang-Min Jeon
- Department of Neurosurgery and Neurosurgery Pain Research Institute
| | - Tiane Chen
- Department of Neurosurgery and Neurosurgery Pain Research Institute
| | - Yan Liu
- Department of Neurosurgery and Neurosurgery Pain Research Institute
| | | | - Randall Reed
- Department of Molecular Biology and Genetics, and
| | | | - Michael J Caterina
- Department of Neurosurgery and Neurosurgery Pain Research Institute.,Solomon H. Snyder Department of Neuroscience.,Department of Biological Chemistry, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Lintao Qu
- Department of Neurosurgery and Neurosurgery Pain Research Institute
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30
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Naringenin mitigates titanium dioxide (TiO 2)-induced chronic arthritis in mice: role of oxidative stress, cytokines, and NFκB. Inflamm Res 2018; 67:997-1012. [PMID: 30370484 DOI: 10.1007/s00011-018-1195-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 09/14/2018] [Accepted: 10/12/2018] [Indexed: 10/28/2022] Open
Abstract
OBJECTIVE To evaluate the effect and mechanisms of naringenin in TiO2-induced chronic arthritis in mice, a model resembling prosthesis and implant inflammation. TREATMENT Flavonoids are antioxidant and anti-inflammatory molecules with important anti-inflammatory effect. Mice were daily treated with the flavonoid naringenin (16.7-150 mg/kg, orally) for 30 days starting 24 h after intra-articular knee injection of 3 mg of TiO2. METHODS TiO2-induced arthritis resembles cases of aseptic inflammation induced by prosthesis and/or implants. Mice were stimulated with 3 mg of TiO2 and after 24 h mice started to be treated with naringenin. The disease phenotype, treatment toxicity, histopathological damage, oxidative stress, cytokine expression and NFκB were evaluated after 30 days of treatment. RESULTS Naringenin inhibited TiO2-induced mechanical hyperalgesia (96%), edema (77%) and leukocyte recruitment (74%) without inducing toxicity. Naringenin inhibited histopathological index (HE, 49%), cartilage damage (Toluidine blue tibial staining 49%, and proteoglycan 98%), and bone resorption (TRAP-stained 73%). These effects were accompanied by inhibition of oxidative stress (gp91phox 93%, NBT 83%, and TBARS 41%) cytokine mRNA expression (IL-33 82%, TNFα 76%, pro-IL-1β 100%, and IL-6 61%), and NFκB activation (100%). CONCLUSION Naringenin ameliorates TiO2-induced chronic arthritis inducing analgesic and anti-inflammatory responses with improvement in the histopathological index, cartilage damage, and bone resorption.
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31
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Ebersberger A. The analgesic potential of cytokine neutralization with biologicals. Eur J Pharmacol 2018; 835:19-30. [DOI: 10.1016/j.ejphar.2018.07.040] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Revised: 06/26/2018] [Accepted: 07/19/2018] [Indexed: 12/13/2022]
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Kosek E, Finn A, Ultenius C, Hugo A, Svensson C, Ahmed A. Differences in neuroimmune signalling between male and female patients suffering from knee osteoarthritis. J Neuroimmunol 2018; 321:49-60. [DOI: 10.1016/j.jneuroim.2018.05.009] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Revised: 04/23/2018] [Accepted: 05/18/2018] [Indexed: 12/17/2022]
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Black BJ, Atmaramani R, Kumaraju R, Plagens S, Romero-Ortega M, Dussor G, Price TJ, Campbell ZT, Pancrazio JJ. Adult mouse sensory neurons on microelectrode arrays exhibit increased spontaneous and stimulus-evoked activity in the presence of interleukin-6. J Neurophysiol 2018; 120:1374-1385. [PMID: 29947589 DOI: 10.1152/jn.00158.2018] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Following inflammation or injury, sensory neurons located in the dorsal root ganglia (DRG) may exhibit increased spontaneous and/or stimulus-evoked activity, contributing to chronic pain. Current treatment options for peripherally mediated chronic pain are highly limited, driving the development of cell- or tissue-based phenotypic (function-based) screening assays for peripheral analgesic and mechanistic lead discovery. Extant assays are often limited by throughput, content, use of tumorigenic cell lines, or tissue sources from immature developmental stages (i.e., embryonic or postnatal). Here, we describe a protocol for culturing adult mouse DRG neurons on substrate-integrated multiwell microelectrode arrays (MEAs). This approach enables multiplexed measurements of spontaneous as well as stimulus-evoked extracellular action potentials from large populations of cells. The DRG cultures exhibit stable spontaneous activity from 9 to 21 days in vitro. Activity is readily evoked by known chemical and physical agonists of sensory neuron activity such as capsaicin, bradykinin, PGE2, heat, and electrical field stimulation. Most importantly, we demonstrate that both spontaneous and stimulus-evoked activity may be potentiated by incubation with the inflammatory cytokine interleukin-6 (IL-6). Acute responsiveness to IL-6 is inhibited by treatment with a MAPK-interacting kinase 1/2 inhibitor, cercosporamide. In total, these findings suggest that adult mouse DRG neurons on multiwell MEAs are applicable to ongoing efforts to discover peripheral analgesic and their mechanisms of action. NEW & NOTEWORTHY This work describes methodologies for culturing spontaneously active adult mouse dorsal root ganglia (DRG) sensory neurons on microelectrode arrays. We characterize spontaneous and stimulus-evoked adult DRG activity over durations consistent with pharmacological interventions. Furthermore, persistent hyperexcitability could be induced by incubation with inflammatory cytokine IL-6 and attenuated with cercosporamide, an inhibitor of the IL-6 sensitization pathway. This constitutes a more physiologically relevant, moderate-throughput in vitro model for peripheral analgesic screening as well as mechanistic lead discovery.
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Affiliation(s)
- Bryan J Black
- Department of Bioengineering, The University of Texas at Dallas , Richardson, Texas
| | - Rahul Atmaramani
- Department of Bioengineering, The University of Texas at Dallas , Richardson, Texas
| | - Rajeshwari Kumaraju
- Department of Bioengineering, The University of Texas at Dallas , Richardson, Texas
| | - Sarah Plagens
- Department of Bioengineering, The University of Texas at Dallas , Richardson, Texas
| | - Mario Romero-Ortega
- Department of Bioengineering, The University of Texas at Dallas , Richardson, Texas
| | - Gregory Dussor
- School of Behavioral and Brain Sciences, The University of Texas at Dallas , Richardson, Texas
| | - Theodore J Price
- School of Behavioral and Brain Sciences, The University of Texas at Dallas , Richardson, Texas
| | - Zachary T Campbell
- Department of Biological Sciences, The University of Texas at Dallas, Richardson, Richardson, Texas
| | - Joseph J Pancrazio
- Department of Bioengineering, The University of Texas at Dallas , Richardson, Texas
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Durrant A, Swift M, Beazley-Long N. A role for pericytes in chronic pain? Curr Opin Support Palliat Care 2018; 12:154-161. [PMID: 29553988 PMCID: PMC6027993 DOI: 10.1097/spc.0000000000000342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
PURPOSE OF REVIEW The importance of the blood-brain barrier (BBB) and neuroinflammation in neurodegenerative conditions is becoming increasingly apparent, yet very little is known about these neurovascular functions in nonmalignant disease chronic pain. Neural tissue pericytes play critical roles in the formation and maintenance of the BBB. Herein, we review the important roles of neural pericytes and address their potential role in chronic pain. RECENT FINDINGS Pericytes are implicated in the function of neural microvasculature, including BBB permeability, neuroimmune factor secretion and leukocyte transmigration. In addition, the multipotent stem cell nature of pericytes affords pericytes the ability to migrate into neural parenchyma and differentiate into pain-associated cell types. These recent findings indicate that pericytes are key players in pathological BBB disruption and neuroinflammation, and as such pericytes may be key players in chronic pain states. SUMMARY Pericytes play key roles in pathological processes associated with chronic pain. We propose that pericytes may be a therapeutic target for painful diseases that have associated neural vascular dysfunction. Given the paucity of new pharmacotherapies for chronic pain conditions, we hope that this review inspires researchers to unearth the potential role(s) of pericytes in chronic pain sowing the seeds for future new chronic pain therapies.
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Affiliation(s)
- A.M. Durrant
- Arthritis Research UK Pain Centre & School of Life Sciences, Medical School, University of Nottingham, Nottingham NG7 2UH
| | - M.N Swift
- Arthritis Research UK Pain Centre & School of Life Sciences, Medical School, University of Nottingham, Nottingham NG7 2UH
| | - N. Beazley-Long
- Arthritis Research UK Pain Centre & School of Life Sciences, Medical School, University of Nottingham, Nottingham NG7 2UH
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Raoof R, Willemen HLDM, Eijkelkamp N. Divergent roles of immune cells and their mediators in pain. Rheumatology (Oxford) 2018; 57:429-440. [PMID: 28968842 PMCID: PMC5850827 DOI: 10.1093/rheumatology/kex308] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Indexed: 12/20/2022] Open
Abstract
Chronic pain is a major debilitating condition that is difficult to treat. Although chronic pain may appear to be a disorder of the nervous system, crucial roles for immune cells and their mediators have been identified as important contributors in various types of pain. This review focuses on how the immune system regulates pain and discusses the emerging roles of immune cells in the initiation or maintenance of chronic pain. We highlight which immune cells infiltrate damaged nerves, the dorsal root ganglia, spinal cord and tissues around free nerve endings and discuss through which mechanisms they control pain. Finally we discuss emerging roles of the immune system in resolving pain and how the immune system contributes to the transition from acute to chronic pain. We propose that targeting some of these immune processes may provide novel therapeutic opportunities for the treatment of chronic pain.
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Affiliation(s)
- Ramin Raoof
- Laboratory of Translational Immunology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Hanneke L D M Willemen
- Laboratory of Neuroimmunology and Developmental Origins of Disease (NIDOD), University Medical Center Utrecht, Utrecht, The Netherlands
| | - Niels Eijkelkamp
- Laboratory of Translational Immunology, University Medical Center Utrecht, Utrecht, The Netherlands.,Laboratory of Neuroimmunology and Developmental Origins of Disease (NIDOD), University Medical Center Utrecht, Utrecht, The Netherlands
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Schaible HG, Chang HD, Grässel S, Haibel H, Hess A, Kamradt T, Radbruch A, Schett G, Stein C, Straub RH. [Research consortium Neuroimmunology and pain in the research network musculoskeletal diseases]. Z Rheumatol 2018; 77:24-30. [PMID: 29654392 DOI: 10.1007/s00393-018-0459-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
BACKGROUND The research consortium Neuroimmunology and Pain (Neuroimpa) explores the importance of the relationships between the immune system and the nervous system in musculoskeletal diseases for the generation of pain and for the course of fracture healing and arthritis. MATERIAL AND METHODS The spectrum of methods includes analyses at the single cell level, in vivo models of arthritis and fracture healing, imaging studies on brain function in animals and humans and analysis of data from patients. RESULTS Proinflammatory cytokines significantly contribute to the generation of joint pain through neuronal cytokine receptors. Immune cells release opioid peptides which activate opioid receptors at peripheral nociceptors and thereby evoke hypoalgesia. The formation of new bone after fractures is significantly supported by the nervous system. The sympathetic nervous system promotes the development of immune-mediated arthritis. The studies show a significant analgesic potential of the neutralization of proinflammatory cytokines and of opioids which selectively inhibit peripheral neurons. Furthermore, they show that the modulation of neuronal mechanisms can beneficially influence the course of musculoskeletal diseases. DISCUSSION Interventions in the interactions between the immune system and the nervous system hold a great therapeutic potential for the treatment of musculoskeletal diseases and pain.
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Affiliation(s)
- H-G Schaible
- Institut für Physiologie 1/Neurophysiologie, Universitätsklinikum Jena, Friedrich Schiller Universität Jena, Teichgraben 8, 07743, Jena, Deutschland.
| | - H-D Chang
- Deutsches Rheuma-Forschungszentrum Berlin, ein Institut der Leibniz-Gemeinschaft, Berlin, Deutschland
| | - S Grässel
- Klinik und Poliklinik für Orthopädie, Experimentelle Orthopädie, Universitätsklinikum Regensburg, Regensburg, Deutschland
| | - H Haibel
- Abteilung für Rheumatologie, Charité Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Deutschland
| | - A Hess
- Institut für Pharmakologie, Universitätsklinikum Erlangen-Nürnberg, Erlangen, Deutschland
| | - T Kamradt
- Institut für Immunologie, Universitätsklinikum Jena, Friedrich Schiller Universität Jena, Jena, Deutschland
| | - A Radbruch
- Deutsches Rheuma-Forschungszentrum Berlin, ein Institut der Leibniz-Gemeinschaft, Berlin, Deutschland
| | - G Schett
- Klinik für Innere Medizin, Universitätsklinikum Erlangen-Nürnberg, Erlangen, Deutschland
| | - C Stein
- Klinik für Anästhesie, Charité Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Deutschland
| | - R H Straub
- Klinik für Innere Medizin 1, Universitätsklinikum Regensburg, Regensburg, Deutschland
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Remeniuk B, King T, Suktankhar D, Nippert A, Li N, Li F, Cheng K, Rice KC, Porreca F. Disease modifying actions of interleukin-6 blockade in a rat model of bone cancer pain. Pain 2018; 159:684-698. [PMID: 29300279 PMCID: PMC5911943 DOI: 10.1097/j.pain.0000000000001139] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Metastasis of cancer to the skeleton represents a debilitating turning point in the lives of patients. Skeletal metastasis leads to moderate to severe ongoing pain along with bone remodeling that can result in fracture, events that dramatically diminish quality of life. Interleukin-6 (IL-6) levels are elevated in patients with metastatic breast cancer and are associated with a lower survival rate. We therefore determined the consequences of inhibition of IL-6 signaling using a novel small molecule antagonist, TB-2-081, on bone integrity, tumor progression, and pain in a rodent model of breast cancer. Rat MAT B III mammary adenocarcinoma cells were injected and sealed within the tibia of female Fischer rats. Growth of these cells within the rat tibia elicited increased IL-6 levels both within the bone exudate and in the plasma, produced ongoing pain and evoked hypersensitivity, and bone fracture that was observed by approximately day 12. Systemic TB-2-081 delivered by subcutaneous osmotic minipumps starting at tumor implantation prevented tumor-induced ongoing bone pain and evoked hypersensitivity without altering tumor growth. Remarkably, TB-2-081 infusion significantly reduced osteolytic and osteoblastic bone remodeling and time to fracture likely by decreasing osteoclastogenesis and associated increase in bone resorption. These findings indicate that blockade of IL-6 signaling may represent a viable, disease-modifying strategy to prevent tumor-induced bone remodeling allowing for stabilization of bone and decreased fractures as well as diminished ongoing pain that may improve quality of life of patients with skeletal metastases. Notably, anti-IL-6 antibodies are clinically available allowing for rapid testing of these possibilities in humans.
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Affiliation(s)
- Bethany Remeniuk
- Cancer Biology Graduate Interdisciplinary Program, University of Arizona Cancer Center, Tucson, AZ, USA
| | - Tamara King
- Department of Biomedical Sciences, College of Osteopathic Medicine, Center for Excellence in the Neurosciences, University of New England, Biddeford, ME, USA
| | - Devki Suktankhar
- Cancer Biology Graduate Interdisciplinary Program, University of Arizona Cancer Center, Tucson, AZ, USA
| | - Amy Nippert
- Department of Pharmacology, University of Arizona, Tucson, AZ, USA
| | - Nancy Li
- Department of Pharmacology, University of Arizona, Tucson, AZ, USA
| | - Fuying Li
- Section on Drug Design and Synthesis, National Institute on Drug Abuse and National Institute on Alcohol Abuse and Alcoholism Bethesda, MD, USA
| | - Kejun Cheng
- Section on Drug Design and Synthesis, National Institute on Drug Abuse and National Institute on Alcohol Abuse and Alcoholism Bethesda, MD, USA
| | - Kenner C. Rice
- Section on Drug Design and Synthesis, National Institute on Drug Abuse and National Institute on Alcohol Abuse and Alcoholism Bethesda, MD, USA
| | - Frank Porreca
- Cancer Biology Graduate Interdisciplinary Program, University of Arizona Cancer Center, Tucson, AZ, USA
- Department of Pharmacology, University of Arizona, Tucson, AZ, USA
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Cook AD, Christensen AD, Tewari D, McMahon SB, Hamilton JA. Immune Cytokines and Their Receptors in Inflammatory Pain. Trends Immunol 2018; 39:240-255. [DOI: 10.1016/j.it.2017.12.003] [Citation(s) in RCA: 117] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Revised: 11/28/2017] [Accepted: 12/13/2017] [Indexed: 01/23/2023]
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Tackling Pain Associated with Rheumatoid Arthritis: Proton-Sensing Receptors. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1099:49-64. [PMID: 30306514 DOI: 10.1007/978-981-13-1756-9_5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Rheumatoid arthritis (RA), characterized by chronic inflammation of synovial joints, is often associated with ongoing pain and increased pain sensitivity. Chronic pain that comes with RA turns independent, essentially becoming its own disease. It could partly explain that a significant number (50%) of RA patients fail to respond to current RA therapies that focus mainly on suppression of joint inflammation. The acute phase of pain seems to associate with joint inflammation in early RA. In established RA, the chronic phase of pain could be linked to inflammatory components of neuron-immune interactions and noninflammatory components. Accumulating evidence suggests that the initial inflammation and autoimmunity in RA (preclinical RA) begin outside of the joint and may originate at mucosal sites and alterations in the composition of microbiota located at mucosal sites could be essential for mucosal inflammation, triggering joint inflammation. Fibroblast-like synoviocytes in the inflamed joint respond to cytokines to release acidic components, lowering pH in synovial fluid. Extracellular proton binds to proton-sensing ion channels, and G-protein-coupled receptors in joint nociceptive fibers may contribute to sensory transduction and release of neurotransmitters, leading to pain and hyperalgesia. Activation of peripheral sensory neurons or nociceptors further modulates inflammation, resulting in neuroinflammation or neurogenic inflammation. Peripheral and central nerves work with non-neuronal cells (such as immune cells, glial cells) in concert to contribute to the chronic phase of RA-associated pain. This review will discuss actions of proton-sensing receptors on neurons or non-neuronal cells that modulate RA pathology and associated chronic pain, and it will be beneficial for the development of future therapeutic treatments.
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Heese K. Functional repertoire of interleukin-6 in the central nervous system – a review. Restor Neurol Neurosci 2017; 35:693-701. [DOI: 10.3233/rnn-170772] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Klaus Heese
- Graduate School of Biomedical Science and Engineering, Hanyang University, Wangsimni-ro, Seongdong-gu, Seoul, Republic of Korea
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41
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Fujii T, Mashimo M, Moriwaki Y, Misawa H, Ono S, Horiguchi K, Kawashima K. Expression and Function of the Cholinergic System in Immune Cells. Front Immunol 2017; 8:1085. [PMID: 28932225 PMCID: PMC5592202 DOI: 10.3389/fimmu.2017.01085] [Citation(s) in RCA: 217] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Accepted: 08/21/2017] [Indexed: 12/29/2022] Open
Abstract
T and B cells express most cholinergic system components—e.g., acetylcholine (ACh), choline acetyltransferase (ChAT), acetylcholinesterase, and both muscarinic and nicotinic ACh receptors (mAChRs and nAChRs, respectively). Using ChATBAC-eGFP transgenic mice, ChAT expression has been confirmed in T and B cells, dendritic cells, and macrophages. Moreover, T cell activation via T-cell receptor/CD3-mediated pathways upregulates ChAT mRNA expression and ACh synthesis, suggesting that this lymphocytic cholinergic system contributes to the regulation of immune function. Immune cells express all five mAChRs (M1–M5). Combined M1/M5 mAChR-deficient (M1/M5-KO) mice produce less antigen-specific antibody than wild-type (WT) mice. Furthermore, spleen cells in M1/M5-KO mice produce less tumor necrosis factor (TNF)-α and interleukin (IL)-6, suggesting M1/M5 mAChRs are involved in regulating pro-inflammatory cytokine and antibody production. Immune cells also frequently express the α2, α5, α6, α7, α9, and α10 nAChR subunits. α7 nAChR-deficient (α7-KO) mice produce more antigen-specific antibody than WT mice, and spleen cells from α7-KO mice produce more TNF-α and IL-6 than WT cells. This suggests that α7 nAChRs are involved in regulating cytokine production and thus modulate antibody production. Evidence also indicates that nicotine modulates immune responses by altering cytokine production and that α7 nAChR signaling contributes to immunomodulation through modification of T cell differentiation. Together, these findings suggest the involvement of both mAChRs and nAChRs in the regulation of immune function. The observation that vagus nerve stimulation protects mice from lethal endotoxin shock led to the notion of a cholinergic anti-inflammatory reflex pathway, and the spleen is an essential component of this anti-inflammatory reflex. Because the spleen lacks direct vagus innervation, it has been postulated that ACh synthesized by a subset of CD4+ T cells relays vagal nerve signals to α7 nAChRs on splenic macrophages, which downregulates TNF-α synthesis and release, thereby modulating inflammatory responses. However, because the spleen is innervated solely by the noradrenergic splenic nerve, confirmation of an anti-inflammatory reflex pathway involving the spleen requires several more hypotheses to be addressed. We will review and discuss these issues in the context of the cholinergic system in immune cells.
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Affiliation(s)
- Takeshi Fujii
- Faculty of Pharmaceutical Sciences, Department of Pharmacology, Doshisha Women's College of Liberal Arts, Kyoto, Japan
| | - Masato Mashimo
- Faculty of Pharmaceutical Sciences, Department of Pharmacology, Doshisha Women's College of Liberal Arts, Kyoto, Japan
| | - Yasuhiro Moriwaki
- Faculty of Pharmacy, Department of Pharmacology, Keio University, Tokyo, Japan
| | - Hidemi Misawa
- Faculty of Pharmacy, Department of Pharmacology, Keio University, Tokyo, Japan
| | - Shiro Ono
- Laboratory of Immunology, Faculty of Pharmacy, Osaka Ohtani University, Osaka, Japan
| | - Kazuhide Horiguchi
- Department of Anatomy, Division of Medicine, University of Fukui Faculty of Medical Sciences, Fukui, Japan
| | - Koichiro Kawashima
- Department of Molecular Pharmacology, Kitasato University School of Pharmaceutical Sciences, Tokyo, Japan
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Interleukin-17A is involved in mechanical hyperalgesia but not in the severity of murine antigen-induced arthritis. Sci Rep 2017; 7:10334. [PMID: 28871176 PMCID: PMC5583382 DOI: 10.1038/s41598-017-10509-5] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Accepted: 07/28/2017] [Indexed: 12/14/2022] Open
Abstract
Interleukin-17A (IL-17A) is considered an important pro-inflammatory cytokine but its importance in joint diseases such as rheumatoid arthritis (RA) is unclear. It has also been reported that IL-17A may induce pain but it is unclear whether pro-inflammatory and pro-nociceptive effects are linked. Here we studied in wild type (WT) and IL-17A knockout (IL-17AKO) mice inflammation and hyperalgesia in antigen-induced arthritis (AIA). We found that the severity and time course of AIA were indistinguishable in WT and IL-17AKO mice. Furthermore, the reduction of inflammation by sympathectomy, usually observed in WT mice, was preserved in IL-17AKO mice. Both findings suggest that IL-17A is redundant in AIA pathology. However, in the course of AIA IL-17AKO mice showed less mechanical hyperalgesia than WT mice indicating that IL-17A contributes to pain even if it is not crucial for arthritis pathology. In support for a role of IL-17A and other members of the IL-17 family in the generation of pain we found that sensory neurones in the dorsal root ganglia (DRG) express all IL-17 receptor subtypes. Furthermore, in isolated DRG neurones most IL-17 isoforms increased tetrodotoxin- (TTX-) resistant sodium currents which indicate a role of IL-17 members in inflammation-evoked sensitization of sensory nociceptive neurones.
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43
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Fujii T, Mashimo M, Moriwaki Y, Misawa H, Ono S, Horiguchi K, Kawashima K. Physiological functions of the cholinergic system in immune cells. J Pharmacol Sci 2017; 134:1-21. [DOI: 10.1016/j.jphs.2017.05.002] [Citation(s) in RCA: 102] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2017] [Revised: 04/30/2017] [Accepted: 05/08/2017] [Indexed: 02/07/2023] Open
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Pinho-Ribeiro FA, Verri WA, Chiu IM. Nociceptor Sensory Neuron-Immune Interactions in Pain and Inflammation. Trends Immunol 2016; 38:5-19. [PMID: 27793571 DOI: 10.1016/j.it.2016.10.001] [Citation(s) in RCA: 579] [Impact Index Per Article: 72.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Revised: 10/02/2016] [Accepted: 10/03/2016] [Indexed: 12/12/2022]
Abstract
Nociceptor sensory neurons protect organisms from danger by eliciting pain and driving avoidance. Pain also accompanies many types of inflammation and injury. It is increasingly clear that active crosstalk occurs between nociceptor neurons and the immune system to regulate pain, host defense, and inflammatory diseases. Immune cells at peripheral nerve terminals and within the spinal cord release mediators that modulate mechanical and thermal sensitivity. In turn, nociceptor neurons release neuropeptides and neurotransmitters from nerve terminals that regulate vascular, innate, and adaptive immune cell responses. Therefore, the dialog between nociceptor neurons and the immune system is a fundamental aspect of inflammation, both acute and chronic. A better understanding of these interactions could produce approaches to treat chronic pain and inflammatory diseases.
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Affiliation(s)
- Felipe A Pinho-Ribeiro
- Department of Microbiology and Immunobiology, Division of Immunology, Harvard Medical School, Boston, MA 02115, USA; Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, PR 10011, Brazil
| | - Waldiceu A Verri
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, PR 10011, Brazil
| | - Isaac M Chiu
- Department of Microbiology and Immunobiology, Division of Immunology, Harvard Medical School, Boston, MA 02115, USA.
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Min HJ, Kim KS. Headache Induced by Fibrous Dysplasia of the Sphenoid Sinus: A Case Report. Headache 2016; 56:1348-51. [PMID: 27255961 DOI: 10.1111/head.12841] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/16/2016] [Indexed: 11/27/2022]
Abstract
Although is a rare disease entity and it is not enough to know about the causal relationship between fibrous dysplasia (FD) of the sphenoid sinus and headache, we should keep in mind the headache is the most common symptom among wide spectrum of potential symptoms in craniofacial FD.
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Affiliation(s)
- Hyun Jin Min
- Department of Otorhinolaryngology-Head and Neck Surgery, College of Medicine, Chung-Ang University, Seoul, Korea
| | - Kyung Soo Kim
- Department of Otorhinolaryngology-Head and Neck Surgery, College of Medicine, Chung-Ang University, Seoul, Korea..
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Headache Attributed to Fibrous Dysplasia of the Ethmoid Bone Mimicking Menstrual Migraine Without Aura. J Craniofac Surg 2016; 27:e417-9. [DOI: 10.1097/scs.0000000000002685] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
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