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Eugenia Ortiz M, Sinhorim L, Hoffmann de Oliveira B, Hardt da Silva R, Melo de Souza G, de Souza G, Paula Piovezan A, Balduino Bittencourt E, Bianco G, Shiguemi Inoue Salgado A, Klingler W, Schleip R, Fernandes Martins D. Analgesia by fascia manipulation is mediated by peripheral and spinal adenosine A 1 receptor in a mouse model of peripheral inflammation. Neuroscience 2024; 555:125-133. [PMID: 39038598 DOI: 10.1016/j.neuroscience.2024.07.031] [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: 04/22/2024] [Revised: 07/08/2024] [Accepted: 07/18/2024] [Indexed: 07/24/2024]
Abstract
The role of adenosine receptors in fascial manipulation-induced analgesia has not yet been investigated. The purpose of this study was to evaluate the involvement of the adenosine A1 receptor (A1R) in the antihyperalgesic effect of plantar fascia manipulation (PFM), specifically in mice with peripheral inflammation. Mice injected with Complete Freund's Adjuvant (CFA) underwent behavioral, i.e. mechanical hyperalgesia and edema. The mice underwent PFM for either 3, 9 or 15 min. Response frequency to mechanical stimuli was then assessed at 24 and 96 h after plantar CFA injection. The adenosinergic receptors were assessed by systemic (intraperitoneal, i.p.), central (intrathecal, i.t.), and peripheral (intraplantar, i.pl.) administration of caffeine. The participation of the A1R was investigated using the 1,3-dipropyl-8-cyclopentylxanthine (DPCPX), a selective A1R subtype antagonist. PFM inhibited mechanical hyperalgesia induced by CFA injection and did not reduce paw edema. Furthermore, the antihyperalgesic effect of PFM was prevented by pretreatment of the animals with caffeine given by i.p., i.pl., and i.t. routes. In addition, i.pl. and i.t. administrations of DPCPX blocked the antihyperalgesia caused by PFM. These observations indicate that adenosine receptors mediate the antihyperalgesic effect of PFM. Caffeine's inhibition of PFM-induced antihyperalgesia suggests that a more precise understanding of how fascia-manipulation and caffeine interact is warranted.
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Affiliation(s)
- Maria Eugenia Ortiz
- Experimental Neuroscience Laboratory (LaNEx), Graduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça, Brazil
| | - Larissa Sinhorim
- Experimental Neuroscience Laboratory (LaNEx), Graduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça, Brazil
| | - Bruna Hoffmann de Oliveira
- Experimental Neuroscience Laboratory (LaNEx), Graduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça, Brazil
| | - Rafaela Hardt da Silva
- Experimental Neuroscience Laboratory (LaNEx), Graduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça, Brazil
| | - Gabriel Melo de Souza
- Experimental Neuroscience Laboratory (LaNEx), Graduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça, Brazil
| | - Gabriela de Souza
- Experimental Neuroscience Laboratory (LaNEx), Graduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça, Brazil
| | - Anna Paula Piovezan
- Experimental Neuroscience Laboratory (LaNEx), Graduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça, Brazil
| | - Edsel Balduino Bittencourt
- Experimental Neuroscience Laboratory (LaNEx), Graduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça, Brazil; Coastal Health Institute, Jacksonville, USA
| | - Gianluca Bianco
- Research Laboratory of Posturology and Neuromodulation (RELPON), Department of Human Neuroscience, Sapienza University, Rome, Italy; Istituto di Formazione in Agopuntura e Neuromodulazione (IFAN), Roma, Italy
| | | | - Werner Klingler
- SRH Hospitals, Sigmaringen, Germany; Department of Sport and Health Sciences, Technical University of Munich, Munich, Germany; Department for Medical Professions, Diploma University of Applied Sciences, Bad Sooden-Allendorf, Germany
| | - Robert Schleip
- Department of Sport and Health Sciences, Technical University of Munich, Munich, Germany; Department for Medical Professions, Diploma University of Applied Sciences, Bad Sooden-Allendorf, Germany; Fascia Research Group, Experimental Anesthesiology, Ulm University, Ulm, Germany
| | - Daniel Fernandes Martins
- Experimental Neuroscience Laboratory (LaNEx), Graduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça, Brazil.
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Gera A, Walia S, Khanna S, Wadhwa G. Effect of aerobic exercise program on neuropathic pain and quality of life in person with paraplegia: study protocol for a randomized controlled trial. Trials 2024; 25:580. [PMID: 39223575 PMCID: PMC11370080 DOI: 10.1186/s13063-024-08430-0] [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: 03/18/2024] [Accepted: 08/23/2024] [Indexed: 09/04/2024] Open
Abstract
BACKGROUND Individuals with spinal cord injury (SCI) often suffer from neuropathic pain which is often disabling and negatively affects function, participation, and quality of life (QoL). Pharmacological treatments lack efficacy in neuropathic pain reduction hence studying alternatives to drug treatment is necessary. Preclinical evidence of various aerobic exercises has shown positive effects on neuropathic pain but scientific studies investigating its effect in the SCI human population are limited. METHODOLOGY This study is a double-blind, parallel, two-group, randomized controlled trial with an interventional study design that aims to evaluate the effectiveness of aerobic exercise program on neuropathic pain and quality of life (QoL) in individuals with chronic paraplegia. Thirty individuals with chronic paraplegia with the neurological level of injury from T2 to L2 will be recruited from the rehabilitation department at a super specialty hospital based on the inclusion criteria. Using a 1:1 allocation ratio, the participants will be randomly assigned to one of the two groups. The intervention group will perform high-intensity interval training (HIIT) aerobic exercise using an arm ergometer based on their peak heart rate, and the control group will perform free-hand arm aerobic exercise. In both groups, the intervention will be delivered as 30-min sessions, four times a week for 6 weeks. OUTCOME MEASURES International Spinal Cord Injury Pain Basic Data Set Version 3.0 will be used for diagnosing and assessing neuropathic pain and its interference with day-to-day activities, mood, and sleep. The International Spinal Cord Society (ISCoS) QoL basic data set will be used to assess QoL, and 6-min push test distance will be used to assess peak heart rate and aerobic capacity. DISCUSSION The effectiveness of the aerobic exercise program will be assessed based on the changes in neuropathic pain score and its interference with day-to-day activities, mood, sleep, QoL, and aerobic capacity after 3 weeks mid-intervention and after 6 weeks post-intervention. The trial will provide new knowledge about the effectiveness of the aerobic exercise program in improving neuropathic pain and QoL in individuals with chronic paraplegia. TRIAL REGISTRATION Clinical Trials Registry-India CTRI/2023/08/056257. Registered on 8 August 2023.
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Affiliation(s)
- Ankush Gera
- Indian Spinal Injuries Centre, Institute of Rehabilitation Sciences, Guru Gobind Singh Indraprastha University, New Delhi, India
| | - Shefali Walia
- Indian Spinal Injuries Centre, Institute of Rehabilitation Sciences, Guru Gobind Singh Indraprastha University, New Delhi, India.
- Department of Physiotherapy, Gurugram University, GURGAON, India.
| | - Stuti Khanna
- Indian Spinal Injuries Centre, Institute of Rehabilitation Sciences, Guru Gobind Singh Indraprastha University, New Delhi, India
| | - Garima Wadhwa
- Indian Spinal Injuries Centre, Institute of Rehabilitation Sciences, Guru Gobind Singh Indraprastha University, New Delhi, India
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Maria Frare J, Rodrigues P, Andrighetto Ruviaro N, Trevisan G. Chronic post-ischemic pain (CPIP) a model of complex regional pain syndrome (CRPS-I): Role of oxidative stress and inflammation. Biochem Pharmacol 2024; 229:116506. [PMID: 39182734 DOI: 10.1016/j.bcp.2024.116506] [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: 06/13/2024] [Revised: 08/17/2024] [Accepted: 08/22/2024] [Indexed: 08/27/2024]
Abstract
Complex regional pain syndrome (CRPS) presents as a persistent and distressing pain condition often stemming from limb trauma or ischemia, manifesting as either CRPS-I (without initial nerve injury) or CRPS-II (accompanied by nerve injury). Despite its prevalence and significant impact on functionality and emotional well-being, standard treatments for CRPS remain elusive. The multifaceted nature of CRPS complicates the identification of its underlying mechanisms. In efforts to elucidate these mechanisms, researchers have turned to animal models such as chronic post-ischemic pain (CPIP), which mirrors the symptoms of CRPS-I. Various mechanisms have been proposed to underlie the acute and chronic pain experienced in CRPS-I, including oxidative stress and inflammation. Traditional treatment approaches often involve antidepressants, non-steroidal anti-inflammatory drugs (NSAIDs), and opioids. However, these methods frequently fall short of providing adequate relief. Accordingly, there is a growing interest in exploring alternative treatments, such as antioxidant supplementation, anti-inflammatory agents, and non-pharmacological interventions. Future research directions should focus on optimizing treatment strategies and addressing remaining gaps in knowledge to improve patient outcomes. This review aims to delve into the pathophysiological mechanisms implicated in the CPIP model, specifically focusing on oxidative stress and inflammation, with the ultimate goal of proposing innovative therapeutic strategies for alleviating the symptoms of CRPS-I.
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Affiliation(s)
- Julia Maria Frare
- Graduated Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria (UFSM), 97105-900, Santa Maria, RS, Brazil
| | - Patrícia Rodrigues
- Graduated Program in Pharmacology, Federal University of Santa Maria (UFSM), 97105-900 Santa Maria, RS, Brazil
| | - Náthaly Andrighetto Ruviaro
- Graduated Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria (UFSM), 97105-900, Santa Maria, RS, Brazil
| | - Gabriela Trevisan
- Graduated Program in Pharmacology, Federal University of Santa Maria (UFSM), 97105-900 Santa Maria, RS, Brazil; Graduated Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria (UFSM), 97105-900, Santa Maria, RS, Brazil.
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Jia X, Li Z, Shen X, Zhang Y, Zhang L, Zhang L. High-intensity swimming alleviates nociception and neuroinflammation in a mouse model of chronic post-ischemia pain by activating the resolvin E1-chemerin receptor 23 axis in the spinal cord. Neural Regen Res 2023; 18:2535-2544. [PMID: 37282487 PMCID: PMC10360102 DOI: 10.4103/1673-5374.371373] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023] Open
Abstract
Physical exercise effectively alleviates chronic pain associated with complex regional pain syndrome type-I. However, the mechanism of exercise-induced analgesia has not been clarified. Recent studies have shown that the specialized pro-resolving lipid mediator resolvin E1 promotes relief of pathologic pain by binding to chemerin receptor 23 in the nervous system. However, whether the resolvin E1-chemerin receptor 23 axis is involved in exercise-induced analgesia in complex regional pain syndrome type-I has not been demonstrated. In the present study, a mouse model of chronic post-ischemia pain was established to mimic complex regional pain syndrome type-I and subjected to an intervention involving swimming at different intensities. Chronic pain was reduced only in mice that engaged in high-intensity swimming. The resolvin E1-chemerin receptor 23 axis was clearly downregulated in the spinal cord of mice with chronic pain, while high-intensity swimming restored expression of resolvin E1 and chemerin receptor 23. Finally, shRNA-mediated silencing of chemerin receptor 23 in the spinal cord reversed the analgesic effect of high-intensity swimming exercise on chronic post-ischemic pain and the anti-inflammatory polarization of microglia in the dorsal horn of the spinal cord. These findings suggest that high-intensity swimming can decrease chronic pain via the endogenous resolvin E1-chemerin receptor 23 axis in the spinal cord.
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Affiliation(s)
- Xin Jia
- Department of Neurology and Neurological Rehabilitation, Shanghai Yangzhi Rehabilitation Hospital (Shanghai Sunshine Rehabilitation Center), School of Medicine, Tongji University, Shanghai, China
| | - Ziyang Li
- Department of Neurology and Neurological Rehabilitation, Shanghai Yangzhi Rehabilitation Hospital (Shanghai Sunshine Rehabilitation Center), School of Medicine, Tongji University, Shanghai, China
| | - Xiafeng Shen
- Department of Rehabilitation, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, China
| | - Yu Zhang
- Key Laboratory of Cellular Physiology (Shanxi Medical University), Ministry of Education, and the Department of Physiology, Shanxi Medical University, Taiyuan, Shanxi Province, China
| | - Li Zhang
- Key Laboratory of Central CNS Regeneration (Ministry of Education), Guangdong-Hong Kong-Macau Institute of CNS Regeneration, Jinan University, Guangzhou, Guangdong Province, China
| | - Ling Zhang
- Department of Neurology and Neurological Rehabilitation, Shanghai Yangzhi Rehabilitation Hospital (Shanghai Sunshine Rehabilitation Center), School of Medicine, Tongji University, Shanghai, China
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Dutra AR, Salm DC, da Silva RH, Tanaka F, Lutdke DD, de Oliveira BH, Lampert R, Bittencourt EB, Bianco G, Gadotti VM, Reed WR, Mack JM, Bobinski F, Moré AOO, Martins DF. Electrical stimulation of the auricular branch of the vagus nerve potentiates analgesia induced by physical exercise in mice with peripheral inflammation. Front Integr Neurosci 2023; 17:1242278. [PMID: 37901799 PMCID: PMC10602751 DOI: 10.3389/fnint.2023.1242278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Accepted: 09/04/2023] [Indexed: 10/31/2023] Open
Abstract
Objective This study evaluated the antihyperalgesic and anti-inflammatory effects of percutaneous vagus nerve electrical stimulation (pVNS) associated with physical exercise, i.e., swimming, in mice with peripheral inflammation. Methods The pain model was induced by intraplantar (i.pl.) injection of Freund's complete adjuvant (CFA). Sixty-four male Swiss mice (35-40 g) received an i.pl. of CFA and underwent behavioral tests, i.e., mechanical hyperalgesia, edema, and paw temperature tests. Additionally, cytokine levels, specifically interleukin-6 (IL-6) and interleukin-10 (IL-10), were determined by enzyme-linked immunosorbent assay. Mice were treated with swimming exercise for 30 min alone or associated with different time protocols (10, 20, or 30 min) of stimulation in the left ear with random frequency during four consecutive days. Results pVNS for 20 min prolonged the antihyperalgesic effect for up to 2 h, 24 h after CFA injection. pVNS for 30 min prolonged the antihyperalgesic effect for up to 7 h, 96 h after CFA injection. However, it did not alter the edema or temperature at both analyzed times (24 and 96 h). Furthermore, the combination of pVNS plus swimming exercise, but not swimming exercise alone, reduced IL-6 levels in the paw and spinal cord, as well as IL-10 levels in the spinal cord. Conclusion pVNS potentiates the analgesic effect induced by swimming, which may be, at least in part, mediated by the modulation of inflammatory cytokines in the periphery (paw) and central nervous system (spinal cord). Therefore, the combination of these therapies may serve as an important adjunctive treatment for persistent inflammatory pain.
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Affiliation(s)
- Aline Raulino Dutra
- Experimental Neuroscience Laboratory (LaNEx), Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça, SC, Brazil
| | - Daiana Cristina Salm
- Experimental Neuroscience Laboratory (LaNEx), Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça, SC, Brazil
| | - Rafaela Hardt da Silva
- Experimental Neuroscience Laboratory (LaNEx), Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça, SC, Brazil
| | - Fernanda Tanaka
- Experimental Neuroscience Laboratory (LaNEx), Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça, SC, Brazil
| | - Daniela Dero Lutdke
- Experimental Neuroscience Laboratory (LaNEx), Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça, SC, Brazil
| | - Bruna Hoffmann de Oliveira
- Experimental Neuroscience Laboratory (LaNEx), Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça, SC, Brazil
| | - Rose Lampert
- Experimental Neuroscience Laboratory (LaNEx), Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça, SC, Brazil
| | | | - Gianluca Bianco
- Research Laboratory of Posturology and Neuromodulation RELPON, Department of Human Neuroscience, Sapienza University and Istituto Di Formazione in Agopuntura E Neuromodulazione IFAN, Rome, Italy
| | - Vinícius M. Gadotti
- Department of Clinical Neurosciences, Hotchkiss Brain Institute, Alberta Children’s Hospital Research Institute, University of Calgary, Calgary, AB, Canada
| | - William R. Reed
- Department of Physical Therapy, University of Alabama at Birmingham, Birmingham, AL, United States
- Rehabilitation Science Program, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Josiel Mileno Mack
- Experimental Neuroscience Laboratory (LaNEx), Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça, SC, Brazil
| | - Franciane Bobinski
- Experimental Neuroscience Laboratory (LaNEx), Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça, SC, Brazil
| | - Ari O. O. Moré
- Integrative Medicine and Acupuncture Division, University Hospital, Federal University of Santa Catarina, Florianópolis, Santa Catarina, Brazil
| | - Daniel Fernandes Martins
- Experimental Neuroscience Laboratory (LaNEx), Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça, SC, Brazil
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Palandi J, Mack JM, de Araújo IL, Farina M, Bobinski F. Animal models of complex regional pain syndrome: A scoping review. Neurosci Biobehav Rev 2023; 152:105324. [PMID: 37467905 DOI: 10.1016/j.neubiorev.2023.105324] [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: 09/09/2022] [Revised: 07/10/2023] [Accepted: 07/14/2023] [Indexed: 07/21/2023]
Abstract
BACKGROUND complex regional pain syndrome (CRPS) leads to a debilitating chronic pain condition. The lack of cause, etiology, and treatment for CRPS has been widely explored in animal models. OBJECTIVE Provide a comprehensive framework of the animal models used for investigating CRPS. ELIGIBILITY CRITERIA Preclinical studies to induce the characteristics of CRPS, with a control group, in any language or publication date. SOURCES OF EVIDENCE The search was performed in the Medline (PubMed) and ScienceDirect databases. RESULTS 93 studies are included. The main objective of the included studies was to understand the CRPS model. Rats, males and adults, exposed to ischemia/reperfusion of the paw or fracture of the tibia were the most common characteristics. Nociceptive evaluation using von Frey monofilaments was the most widely adopted in the studies. CONCLUSIONS For the best translational science between the animal models and individuals with CRPS, future studies should include more heterogeneous animals, and multiple assessment tools, in addition to improving the description and performance of measures that reduce the risk of bias.
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Affiliation(s)
- Juliete Palandi
- Laboratory of Experimental in Neuropathology (LEN), Graduate Program in Neuroscience, Biochemistry Department, Biological Sciences Center, Universidade Federal de Santa Catarina (UFSC), 88040-900 Florianópolis, SC, Brazil
| | - Josiel Mileno Mack
- Laboratory of Experimental Neuroscience (LaNEx), Graduate Program in Health Sciences, Universidade do Sul de Santa Catarina (UNISUL), 88137-272 Palhoça, SC, Brazil
| | - Isabela Longo de Araújo
- Laboratory of Experimental Neuroscience (LaNEx), Graduate Program in Health Sciences, Universidade do Sul de Santa Catarina (UNISUL), 88137-272 Palhoça, SC, Brazil
| | - Marcelo Farina
- Laboratory of Experimental in Neuropathology (LEN), Graduate Program in Neuroscience, Biochemistry Department, Biological Sciences Center, Universidade Federal de Santa Catarina (UFSC), 88040-900 Florianópolis, SC, Brazil
| | - Franciane Bobinski
- Laboratory of Experimental Neuroscience (LaNEx), Graduate Program in Health Sciences, Universidade do Sul de Santa Catarina (UNISUL), 88137-272 Palhoça, SC, Brazil.
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Neuroprotection of exercise: P2X4R and P2X7R regulate BDNF actions. Purinergic Signal 2023; 19:297-303. [PMID: 35821455 PMCID: PMC9275535 DOI: 10.1007/s11302-022-09879-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Accepted: 06/17/2022] [Indexed: 11/09/2022] Open
Abstract
The neurotrophin brain-derived neurotrophic factor (BDNF), which acts as a transducer, is responsible for improving cerebral stroke, neuropathic pain, and depression. Exercise can alter extracellular nucleotide levels and purinergic receptors in central nervous system (CNS) structures. This inevitably activates or inhibits the expression of BDNF via purinergic receptors, particularly the P2X receptor (P2XR), to alleviate pathological progression. In addition, the significant involvement of sensitive P2X4R in mediating increased BDNF and p38-MAPK for intracerebral hemorrhage and pain hypersensitivity has been reported. Moreover, archetypal P2X7R blockade induces mouse antidepressant-like behavior and analgesia by BDNF release. This review summarizes BDNF-mediated neural effects via purinergic receptors, speculates that P2X4R and P2X7R could be priming molecules in exercise-mediated changes in BDNF, and provides strategies for the protective mechanism of exercise in neurogenic disease.
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Li TS, Wang R, Su X, Wang XQ. Effect and mechanisms of exercise for complex regional pain syndrome. Front Mol Neurosci 2023; 16:1167166. [PMID: 37206984 PMCID: PMC10188984 DOI: 10.3389/fnmol.2023.1167166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 04/17/2023] [Indexed: 05/21/2023] Open
Abstract
Complex regional pain syndrome characterized by severe pain and dysfunction seriously affects patients' quality of life. Exercise therapy is gaining attention because it can effectively relieve pain and improve physical function. Based on the previous studies, this article summarized the effectiveness and underlying mechanisms of exercise interventions for complex regional pain syndrome, and described the gradual multistage exercise program. Exercises suitable for patients with complex regional pain syndrome mainly include graded motor imagery, mirror therapy, progressive stress loading training, and progressive aerobic training. In general, exercise training for patients with complex regional pain syndrome not only alleviates pain but also improves physical function and positive mental status. The underlying mechanisms of exercise interventions for complex regional pain syndrome include the remodeling of abnormal central and peripheral nervous system, the regulation of vasodilation and adrenaline levels, the release of endogenous opioids, and the increased anti-inflammatory cytokines. This article provided a clear explanation and summary of the research on exercise for complex regional pain syndrome. In the future, more high-quality studies with sufficient sample sizes may provide more exercise regimens and better evidence of efficacy.
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Affiliation(s)
- Tian-Shu Li
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
| | - Rui Wang
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
| | - Xuan Su
- Department of Rehabilitation Medicine, Shanghai Fourth People’s Hospital, School of Medicine, Tongji University, Shanghai, China
- Xuan Su,
| | - Xue-Qiang Wang
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
- Shanghai Shangti Orthopaedic Hospital, Department of Rehabilitation Medicine, Shanghai, China
- *Correspondence: Xue-Qiang Wang,
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Role of the nucleoside-metabolizing enzymes on pain responses in zebrafish larvae. Neurotoxicol Teratol 2022; 93:107109. [PMID: 35777679 DOI: 10.1016/j.ntt.2022.107109] [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: 02/01/2022] [Revised: 06/16/2022] [Accepted: 06/22/2022] [Indexed: 11/23/2022]
Abstract
Purinergic signaling is a pathway related to pain underlying mechanisms. Adenosine is a neuromodulator responsible for the regulation of multiple physiological and pathological conditions. Extensive advances have been made to understand the role of adenosine in pain regulation. Here we investigated the effects of purinergic compounds able to modulate adenosine production or catabolism on pain responses induced by Acetic Acid (AA) in zebrafish larvae. We investigated the preventive role of the ecto-5'-nucleotidase inhibitor adenosine 5'-(α,β-methylene)diphosphate (AMPCP) and adenosine deaminase inhibitor erythro-9-(2-Hydroxy-3-nonyl)-adenine (EHNA) on the AA-pain induced model. The pain responses were evaluated through exploratory and aversive behaviors in zebrafish larvae. The exploratory behavior showed a reduction in the distance covered by animals exposed to 0.0025% and 0.050% AA. The movement and acceleration were reduced when compared to control. The treatment with AMPCP or EHNA followed by AA exposure did not prevent behavioral changes induced by AA for any parameter tested. There were no changes in aversive behavior after the AA-induced pain model. After AA-induced pain, the AMP hydrolysis increased on zebrafish larvae. However, the AMPCP or EHNA exposure did not prevent changes in AMP hydrolysis induced by the AA-induced pain model in zebrafish larvae. Although AMPCP or EHNA did not show differences in the AA-induced pain model, our results revealed changes in AMP hydrolysis, suggesting the involvement of the purinergic system in zebrafish larvae pain responses.
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Khan J, Wang Q, Ren Y, Eliav R, Korczeniewska OA, Benoliel R, Eliav E. Exercise induced hypoalgesia profile in rats is associated with IL-10 and IL-1 β levels and pain severity following nerve injury. Cytokine 2021; 143:155540. [PMID: 33902989 DOI: 10.1016/j.cyto.2021.155540] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 04/05/2021] [Accepted: 04/07/2021] [Indexed: 12/20/2022]
Abstract
BACKGROUND Pain may undergo modulation in the central nervous system prior to reaching the primary somatosensory cortex and being perceived as pain. Faulty pain modulation mechanisms have been linked to various chronic pain conditions. Cytokines such as IL-10 and IL-1beta, are known to be involved in initiation and maintenance of neuropathic pain. In this study, we investigated the association between pain modulation profile, pain intensity and cytokines (IL-10 and IL-1beta) levels in a rat model of neuropathic pain. METHODS Exercise-Induced Hypoalgesia (EIH) was assessed by evaluating the percentage of responses to a train of 60g mechanical stimuli before and after 180 seconds of exercise on a rotating rod. The differences in the response rates before and after the exercise were used to divide the rats into low and high EIH responders. Rats from low and high EIH groups underwent constriction injury of the left sciatic nerve. Pain behavior (allodynia and hyperalgesia) were assessed by measuring responses to mechanical and thermal stimuli applied to the plantar surface of the foot. Serum, sciatic nerve and the related Dorsal Root Ganglia (DRG) levels of IL-10 and IL-1beta were determined by ELISA. The DRG mRNA levels of IL-10 and IL-1beta measured with PCR. A comparison between the low and high EIH rats of all measured parameters was made. RESULTS The low EIH rats developed significantly more severe allodynia and hyperalgesia in the affected paw and allodynia in the contralateral paw compared to the high EIH rats, 7 days following the injury. The low EIH rats had higher IL-1beta protein levels in serum prior to and following injury, higher affected and contralateral sciatic nerve IL-1beta levels following injury and higher IL-1beta levels in the contralateral DRG (protein and mRNA) following injury when compared to high EIH rats. The high EIH rats had higher affected sciatic nerve IL-10 levels following nerve injury and higher IL-10 levels of both protein and mRNA in the affected and contralateral DRG at baseline and following injury. CONCLUSION EIH profile was found to be predictive of pain behavior following nerve injury, low EIH rats developed more severe allodynia and hyperalgesia. IL-1beta may be associated with painful neuropathy developed in rats with low EIH while the anti-inflammatory cytokine IL-10 may have a protective role, inhibiting the development of painful.
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Affiliation(s)
- Junad Khan
- Eastman Institute for Oral Health, University of Rochester, Rochester, NY, USA.
| | - Qian Wang
- Eastman Institute for Oral Health, University of Rochester, Rochester, NY, USA
| | - Yanfang Ren
- Eastman Institute for Oral Health, University of Rochester, Rochester, NY, USA
| | | | | | | | - Eli Eliav
- Eastman Institute for Oral Health, University of Rochester, Rochester, NY, USA
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Leitzelar BN, Koltyn KF. Exercise and Neuropathic Pain: A General Overview of Preclinical and Clinical Research. SPORTS MEDICINE-OPEN 2021; 7:21. [PMID: 33751253 PMCID: PMC7984211 DOI: 10.1186/s40798-021-00307-9] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Accepted: 02/11/2021] [Indexed: 12/14/2022]
Abstract
Neuropathic pain is a disease of the somatosensory system that is characterized by tingling, burning, and/or shooting pain. Medication is often the primary treatment, but it can be costly, thus there is an interest in understanding alternative low-cost treatments such as exercise. The following review includes an overview of the preclinical and clinical literature examining the influence of exercise on neuropathic pain. Preclinical studies support the hypothesis that exercise reduces hyperalgesia and allodynia in animal models of neuropathic pain. In human research, observational studies suggest that those who are more physically active have lower risk of developing neuropathic pain compared to those who are less active. Exercise studies suggest aerobic exercise training (e.g., 16 weeks); a combination of aerobic and resistance exercise training (e.g., 10–12 weeks); or high-intensity interval training (e.g., 15 weeks) reduces aspects of neuropathic pain such as worst pain over the past month, pain over the past 24 h, pain scores, or pain interference. However, not all measures of pain improve following exercise training (e.g., current pain, heat pain threshold). Potential mechanisms and future directions are also discussed to aid in the goal of understanding the role of exercise in the management of neuropathic pain. Future research using standardized methods to further understanding of the dose of exercise needed to manage neuropathic pain is warranted.
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Affiliation(s)
- Brianna N Leitzelar
- Department of Kinesiology, University of Wisconsin-Madison, 1300 University Ave., Madison, WI, 53706, USA
| | - Kelli F Koltyn
- Department of Kinesiology, University of Wisconsin-Madison, 1300 University Ave., Madison, WI, 53706, USA.
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Hendrix J, Nijs J, Ickmans K, Godderis L, Ghosh M, Polli A. The Interplay between Oxidative Stress, Exercise, and Pain in Health and Disease: Potential Role of Autonomic Regulation and Epigenetic Mechanisms. Antioxidants (Basel) 2020; 9:E1166. [PMID: 33238564 PMCID: PMC7700330 DOI: 10.3390/antiox9111166] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 11/20/2020] [Accepted: 11/21/2020] [Indexed: 02/07/2023] Open
Abstract
Oxidative stress can be induced by various stimuli and altered in certain conditions, including exercise and pain. Although many studies have investigated oxidative stress in relation to either exercise or pain, the literature presents conflicting results. Therefore, this review critically discusses existing literature about this topic, aiming to provide a clear overview of known interactions between oxidative stress, exercise, and pain in healthy people as well as in people with chronic pain, and to highlight possible confounding factors to keep in mind when reflecting on these interactions. In addition, autonomic regulation and epigenetic mechanisms are proposed as potential mechanisms of action underlying the interplay between oxidative stress, exercise, and pain. This review highlights that the relation between oxidative stress, exercise, and pain is poorly understood and not straightforward, as it is dependent on the characteristics of exercise, but also on which population is investigated. To be able to compare studies on this topic, strict guidelines should be developed to limit the effect of several confounding factors. This way, the true interplay between oxidative stress, exercise, and pain, and the underlying mechanisms of action can be revealed and validated via independent studies.
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Affiliation(s)
- Jolien Hendrix
- Pain in Motion Research Group (PAIN), Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, 1090 Brussels, Belgium; (J.H.); (J.N.); (K.I.)
- Centre for Environment and Health, Department of Public Health and Primary Care, Katholieke Universiteit Leuven, 3000 Leuven, Belgium; (L.G.); (M.G.)
| | - Jo Nijs
- Pain in Motion Research Group (PAIN), Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, 1090 Brussels, Belgium; (J.H.); (J.N.); (K.I.)
- Department of Physical Medicine and Physiotherapy, University Hospital Brussels, 1090 Brussels, Belgium
- Unit of Physiotherapy, Department of Health and Rehabilitation, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, 41390 Gothenburg, Sweden
- University of Gothenburg Center for Person-Centred Care (GPCC), Sahlgrenska Academy, University of Gothenburg, 41390 Gothenburg, Sweden
| | - Kelly Ickmans
- Pain in Motion Research Group (PAIN), Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, 1090 Brussels, Belgium; (J.H.); (J.N.); (K.I.)
- Department of Physical Medicine and Physiotherapy, University Hospital Brussels, 1090 Brussels, Belgium
- Research Foundation—Flanders (FWO), 1050 Brussels, Belgium
| | - Lode Godderis
- Centre for Environment and Health, Department of Public Health and Primary Care, Katholieke Universiteit Leuven, 3000 Leuven, Belgium; (L.G.); (M.G.)
- External Service for Prevention and Protection at Work (IDEWE), 3001 Heverlee, Belgium
| | - Manosij Ghosh
- Centre for Environment and Health, Department of Public Health and Primary Care, Katholieke Universiteit Leuven, 3000 Leuven, Belgium; (L.G.); (M.G.)
- Research Foundation—Flanders (FWO), 1050 Brussels, Belgium
| | - Andrea Polli
- Pain in Motion Research Group (PAIN), Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, 1090 Brussels, Belgium; (J.H.); (J.N.); (K.I.)
- Centre for Environment and Health, Department of Public Health and Primary Care, Katholieke Universiteit Leuven, 3000 Leuven, Belgium; (L.G.); (M.G.)
- Research Foundation—Flanders (FWO), 1050 Brussels, Belgium
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Lesnak JB, Sluka KA. Mechanism of exercise-induced analgesia: what we can learn from physically active animals. Pain Rep 2020; 5:e850. [PMID: 33490844 PMCID: PMC7808683 DOI: 10.1097/pr9.0000000000000850] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 05/26/2020] [Accepted: 07/31/2020] [Indexed: 12/29/2022] Open
Abstract
Physical activity has become a first-line treatment in rehabilitation settings for individuals with chronic pain. However, research has only recently begun to elucidate the mechanisms of exercise-induced analgesia. Through the study of animal models, exercise has been shown to induce changes in the brain, spinal cord, immune system, and at the site of injury to prevent and reduce pain. Animal models have also explored beneficial effects of exercise through different modes of exercise including running, swimming, and resistance training. This review will discuss the central and peripheral mechanisms of exercise-induced analgesia through different modes, intensity, and duration of exercise as well as clinical applications of exercise with suggestions for future research directions.
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Affiliation(s)
- Joseph B. Lesnak
- Department of Physical Therapy and Rehabilitation Sciences, University of Iowa, Iowa City, IA, USA
| | - Kathleen A. Sluka
- Department of Physical Therapy and Rehabilitation Sciences, University of Iowa, Iowa City, IA, USA
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Sex Difference in Trigeminal Neuropathic Pain Response to Exercise: Role of Oxidative Stress. Pain Res Manag 2020; 2020:3939757. [PMID: 32676135 PMCID: PMC7341438 DOI: 10.1155/2020/3939757] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 05/17/2020] [Accepted: 06/08/2020] [Indexed: 11/17/2022]
Abstract
Aim Orofacial chronic neuropathic pain commonly occurs following trigeminal nerve injuries. We investigated whether swimming exercise can reduce trigeminal neuropathic pain through improving antioxidant capacity. Materials and Methods Twenty-eight Wistar rats of either sex and 180–220 grams were divided into 4 groups as sham, neuropathy, neuropathy + single bout exercise, and neuropathy + 2 weeks of exercise. Trigeminal neuropathy was carried out through chronic constriction injury (CCI) of infraorbital nerve. Protocols of exercise were included a single bout session (45 minutes) and a 2-week (45 minutes/day/6 days a week) swimming exercise. Mechanical allodynia was detected using Von Frey filaments. The activity of the serum antioxidant enzymes glutathione peroxidase and superoxides dismutase was assayed using ELISA kits. Results We found that CCI significantly reduced facial pain threshold in both sexes (P < 0.05). Both swimming exercise protocols significantly reduced mechanical allodynia in female rats compared to the sham group; however, only 2 weeks of exercise were significantly effective in male rats. The activity of antioxidant enzyme glutathione peroxidase significantly (P < 0.05) decreased following CCI in female rats against that in the sham group and 2-week exercise significantly (P < 0.05) increased it toward the control level. The levels of glutathione peroxidase in male rats and superoxidase dismutase in both sexes were not significantly different compared to their sham groups. Conclusion Swimming exercise alleviates trigeminal neuropathic pain in both sexes. Oxidative stress as a possible mechanism was involved in the effect of exercise on female rat trigeminal neuropathy.
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Ludtke DD, Siteneski A, Galassi TDO, Buffon AC, Cidral‐Filho FJ, Reed WR, Salgado ASI, Santos AR, Martins DF. High‐intensity swimming exercise reduces inflammatory pain in mice by activation of the endocannabinoid system. Scand J Med Sci Sports 2020; 30:1369-1378. [DOI: 10.1111/sms.13705] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Revised: 03/08/2020] [Accepted: 04/15/2020] [Indexed: 01/03/2023]
Affiliation(s)
- Daniela D. Ludtke
- Experimental Neuroscience Laboratory Post‐Graduate Program of Health Sciences University of Southern of Santa Catarina Palhoça Brazil
| | - Aline Siteneski
- Experimental Neuroscience Laboratory Post‐Graduate Program of Health Sciences University of Southern of Santa Catarina Palhoça Brazil
- Instituto de investigación Universidad Técnica de Manabí Portoviejo Ecuador
| | - Taynah de Oliveira Galassi
- Experimental Neuroscience Laboratory Post‐Graduate Program of Health Sciences University of Southern of Santa Catarina Palhoça Brazil
| | - Alexandre Carlos Buffon
- Experimental Neuroscience Laboratory Post‐Graduate Program of Health Sciences University of Southern of Santa Catarina Palhoça Brazil
| | - Francisco José Cidral‐Filho
- Experimental Neuroscience Laboratory Post‐Graduate Program of Health Sciences University of Southern of Santa Catarina Palhoça Brazil
| | - William R. Reed
- Department of Physical Therapy School of Health Professions University of Alabama at Birmingham Birmingham AL USA
| | | | - Adair R.S. Santos
- Laboratory of Neurobiology of Pain and Inflammation Department of Physiological Sciences Centre of Biological Sciences University Federal of Santa Catarina Florianópolis Brazil
| | - Daniel F. Martins
- Experimental Neuroscience Laboratory Post‐Graduate Program of Health Sciences University of Southern of Santa Catarina Palhoça Brazil
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Kaye AD, Granier AL, Garcia AJ, Carlson SF, Fuller MC, Haroldson AR, White SW, Krueger OL, Novitch MB, Cornett EM. Non-Opioid Perioperative Pain Strategies for the Clinician: A Narrative Review. Pain Ther 2020; 9:25-39. [PMID: 31933147 PMCID: PMC7203361 DOI: 10.1007/s40122-019-00146-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Indexed: 12/11/2022] Open
Abstract
Alternative and non-opioid options for pain management are necessary in perioperative patient care. Opioids are no longer touted as cure-all medications, and furthermore, there have been tremendous advances in alternative therapies such as in interventional pain, physical therapy, exercise, and nutritional counseling that have proven benefits to combat pain. The center for disease control now strongly recommends the use of multimodal analgesia and multidisciplinary approaches based on the individual needs of patients: personalized medicine. In this manuscript, the specifics of non-opioid pharmacological and non-pharmacological analgesic approaches will be discussed as well as their possible indications and uses to reduce the need for excessive use of opioids for adequate pain control.
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Affiliation(s)
- Alan David Kaye
- Anesthesiology and Pharmacology, Toxicology, and Neurosciences, LSU School of Medicine, Shreveport, LA, USA
- Anesthesiology and Pharmacology, LSU School of Medicine, New Orleans, LA, USA
- Anesthesiology and Pharmacology, Tulane School of Medicine, New Orleans, LA, USA
| | | | - Andrew J Garcia
- George Washington University School of Medicine and Health Sciences, Washington, DC, USA
| | | | | | | | | | | | - Matthew B Novitch
- Department of Anesthesiology, University of Washington, Seattle, WA, USA
| | - Elyse M Cornett
- Department of Anesthesiology, LSU Health Shreveport, Shreveport, LA, USA.
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17
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Schneider ACA, Batisti AP, Turnes BL, Martins TC, Lisboa MEM, Custódio KM, Zanco J, Wilson KSC, Heymanns AC, Kanis LA, Magnago RF, Martins DF, Piovezan AP. Anti-hyperalgesic properties of ethanolic crude extract from the peels of Citrus reticulata (Rutaceae). AN ACAD BRAS CIENC 2020; 92:e20180793. [PMID: 32401835 DOI: 10.1590/0001-3765202020180793] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Accepted: 05/03/2019] [Indexed: 11/22/2022] Open
Abstract
The therapeutic effects from Citrus reticulata on painful inflammatory ailments are associated to its flavonoids constituent and phytochemical studies with Citrus genus affirm that the peels have important amounts of it. These bioactive compounds have been a considerable therapeutic source and evaluate potential application of the peel extract is significant. This research aims to investigate the influence of ethanolic crude extract from the peels of Citrus reticulata and its possible mechanism of action in different animal models of pain. The extract reduced hyperalgesia in the second phase of formalin test (vehicle: 501.5 ± 40.0 s; C. reticulata extract 300 mg/kg: 161.8 ± 41.1 s), in the carrageenan model (vehicle at 4th h: 82.5 ± 9.6 %; C. reticulata extract 300 mg/kg at 4th h: 47.5 ± 6.5 %) and in Complete Freund's Adjuvant model (vehicle: 501.5 ± 40.0 s; C. reticulata extract 300 mg/kg: 161.8 ± 41.1 s). The possible contribution of opioidergic and adenosinergic systems in the anti-hyperalgesic effect of C. reticulata extract was observed after treatment, with non-selective antagonists for both systems, which produced reversal effects. In conclusion, these properties of C. reticulata extract suggest a potential therapeutic benefit in treating painful conditions.
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Affiliation(s)
- Adriele C A Schneider
- Programa de Pós-graduação em Ciências da Saúde, Universidade do Sul de Santa Catarina/UNISUL, Palhoça, SC, Brazil
| | - Ana P Batisti
- Programa de Pós-graduação em Ciências da Saúde, Universidade do Sul de Santa Catarina/UNISUL, Palhoça, SC, Brazil
| | - Bruna L Turnes
- Departamento de Ciências Fisiológicas, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil
| | - Thiago C Martins
- Departamento de Ciências Fisiológicas, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil
| | - Maria E M Lisboa
- Laboratório de Neurociência Experimental (LaNex), Universidade do Sul de Santa Catarina/UNISUL, Palhoça, SC, Brazil
| | - Kauê M Custódio
- Grupo de Pesquisa em Tecnologia Farmacêutica, Universidade do Sul de Santa Catarina/UNISUL, Tubarão, SC, Brazil
| | - Jasper Zanco
- Curso de Naturologia, Universidade do Sul de Santa Catarina/UNISUL, Palhoça, SC, Brazil
| | - Karen S C Wilson
- Programa de Pós-graduação em Ciências da Saúde, Universidade do Sul de Santa Catarina/UNISUL, Palhoça, SC, Brazil
| | - Ana Caroline Heymanns
- Programa de Pós-graduação em Ciências da Saúde, Universidade do Sul de Santa Catarina/UNISUL, Palhoça, SC, Brazil
| | - Luiz A Kanis
- Programa de Pós-graduação em Ciências da Saúde, Universidade do Sul de Santa Catarina/UNISUL, Palhoça, SC, Brazil
| | - Rachel F Magnago
- Curso de Medicina, Universidade do Sul de Santa Catarina/ UNISUL, Palhoça, SC, Brazil
| | - Daniel F Martins
- Programa de Pós-graduação em Ciências da Saúde, Universidade do Sul de Santa Catarina/UNISUL, Palhoça, SC, Brazil
| | - Anna P Piovezan
- Programa de Pós-graduação em Ciências da Saúde, Universidade do Sul de Santa Catarina/UNISUL, Palhoça, SC, Brazil
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Gonçalves ECD, Vieira G, Gonçalves TR, Simões RR, Brusco I, Oliveira SM, Calixto JB, Cola M, Santos ARS, Dutra RC. Bradykinin Receptors Play a Critical Role in the Chronic Post-ischaemia Pain Model. Cell Mol Neurobiol 2020; 41:63-78. [PMID: 32222846 DOI: 10.1007/s10571-020-00832-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Accepted: 03/16/2020] [Indexed: 02/06/2023]
Abstract
Complex regional pain syndrome type-I (CRPS-I) is a chronic painful condition resulting from trauma. Bradykinin (BK) is an important inflammatory mediator required in acute and chronic pain response. The objective of this study was to evaluate the association between BK receptors (B1 and B2) and chronic post-ischaemia pain (CPIP) development in mice, a widely accepted CRPS-I model. We assessed mechanical and cold allodynia, and paw oedema in male and female Swiss mice exposed to the CPIP model. Upon induction, the animals were treated with BKR antagonists (HOE-140 and DALBK); BKR agonists (Tyr-BK and DABK); antisense oligonucleotides targeting B1 and B2 and captopril by different routes in the model (7, 14 and 21 days post-induction). Here, we demonstrated that treatment with BKR antagonists, by intraperitoneal (i.p.), intraplantar (i.pl.), and intrathecal (i.t.) routes, mitigated CPIP-induced mechanical allodynia and oedematogenic response, but not cold allodynia. On the other hand, i.pl. administration of BKR agonists exacerbated pain response. Moreover, a single treatment with captopril significantly reversed the anti-allodynic effect of BKR antagonists. In turn, the inhibition of BKRs gene expression in the spinal cord inhibited the nociceptive behaviour in the 14th post-induction. The results of the present study suggest the participation of BKRs in the development and maintenance of chronic pain associated with the CPIP model, possibly linking them to CRPS-I pathogenesis.
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Affiliation(s)
- Elaine C D Gonçalves
- Laboratory of Autoimmunity and Immunopharmacology, Department of Health Sciences, Campus Araranguá, Federal University of Santa Catarina, Araranguá, SC, 88906-072, Brazil.,Post-Graduate Program of Neuroscience, Center of Biological Sciences, Federal University of Santa Catarina, Florianópolis, SC, 88040-900, Brazil
| | - Graziela Vieira
- Laboratory of Autoimmunity and Immunopharmacology, Department of Health Sciences, Campus Araranguá, Federal University of Santa Catarina, Araranguá, SC, 88906-072, Brazil
| | - Tainara R Gonçalves
- Laboratory of Autoimmunity and Immunopharmacology, Department of Health Sciences, Campus Araranguá, Federal University of Santa Catarina, Araranguá, SC, 88906-072, Brazil
| | - Róli R Simões
- Laboratory of Neurobiology of Pain and Inflammation, Department of Physiological Sciences, Center of Biological Sciences, Universidade Federal de Santa Catarina, Florianópolis, SC, 88040-900, Brazil
| | - Indiara Brusco
- Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, Santa Maria, RS, 97105-900, Brazil
| | - Sara M Oliveira
- Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, Santa Maria, RS, 97105-900, Brazil
| | - João B Calixto
- Center of Innovation and Preclinical Research, Florianópolis, SC, 88056-000, Brazil
| | - Maíra Cola
- Laboratory of Autoimmunity and Immunopharmacology, Department of Health Sciences, Campus Araranguá, Federal University of Santa Catarina, Araranguá, SC, 88906-072, Brazil
| | - Adair R S Santos
- Laboratory of Neurobiology of Pain and Inflammation, Department of Physiological Sciences, Center of Biological Sciences, Universidade Federal de Santa Catarina, Florianópolis, SC, 88040-900, Brazil
| | - Rafael C Dutra
- Laboratory of Autoimmunity and Immunopharmacology, Department of Health Sciences, Campus Araranguá, Federal University of Santa Catarina, Araranguá, SC, 88906-072, Brazil. .,Post-Graduate Program of Neuroscience, Center of Biological Sciences, Federal University of Santa Catarina, Florianópolis, SC, 88040-900, Brazil. .,Laboratório de Autoimunidade e Imunofarmacologia (LAIF), Departamento de Ciências da Saúde, Universidade Federal de Santa Catarina, Campus Araranguá. Rodovia Jorge Lacerda, Km 35.4 - Jardim das Avenidas, Araranguá, SC, CEP 88906-072, Brazil.
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Donatello NN, Emer AA, Salm DC, Ludtke DD, Bordignon SASR, Ferreira JK, Salgado ASI, Venzke D, Bretanha LC, Micke GA, Martins DF. Lavandula angustifolia essential oil inhalation reduces mechanical hyperalgesia in a model of inflammatory and neuropathic pain: The involvement of opioid and cannabinoid receptors. J Neuroimmunol 2020; 340:577145. [DOI: 10.1016/j.jneuroim.2020.577145] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2019] [Revised: 12/30/2019] [Accepted: 01/08/2020] [Indexed: 01/19/2023]
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20
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Swimming Physical Training Prevented the Onset of Acute Muscle Pain by a Mechanism Dependent of PPARγ Receptors and CINC-1. Neuroscience 2020; 427:64-74. [DOI: 10.1016/j.neuroscience.2019.12.017] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Revised: 12/08/2019] [Accepted: 12/09/2019] [Indexed: 12/17/2022]
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Khan J, Zusman T, Wang Q, Eliav E. Acute and Chronic Pain in Orofacial Trauma Patients. J Endod 2019; 45:S28-S38. [DOI: 10.1016/j.joen.2019.05.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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22
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Khan J, Zusman T, Wang Q, Eliav E. Acute and chronic pain in orofacial trauma patients. Dent Traumatol 2019; 35:348-357. [PMID: 31125489 DOI: 10.1111/edt.12493] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2019] [Accepted: 05/21/2019] [Indexed: 01/07/2023]
Abstract
Trauma or injury to the dentition and supporting tissues is associated with pain and discomfort, as expected, that may present immediately, shortly afterwards, or within a few days. Pain is an essential response to injury because it allows the organism to develop avoidance behavior to potential threats and helps the organism to avoid usage of the injured organ during the healing process. Not only does external trauma induce pain, but also essential invasive dental procedures such as extractions, dental implant insertions, root canal treatments, and oral surgeries are accompanied by similar post-surgical (post-traumatic) pain. The pain intensity after trauma varies and does not always correlate with the extent of injury. Trauma to the orofacial region or the teeth may also indirectly affect and induce pain in other orofacial structures such as the masticatory muscles, the temporomandibular joint, and even the cervical spine. In most cases, the pain will resolve as soon as healing of the affected tissue occurs or after dental and routine palliative treatment. In a limited number of cases, the pain persists beyond healing and evolves into a chronic pain state. Chronic pain in the orofacial region presents diagnostic and management challenges. Misdiagnosis or delayed diagnosis of the oral chronic pain condition may lead to unnecessary dental treatment. This article will discuss diagnosis and treatment for acute and chronic pain as well as potential mechanisms involved in the undesirable transition from acute to chronic pain.
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Affiliation(s)
- Junad Khan
- Orofacial Pain and TMJ Disorders, Eastman Institute for Oral Health, Rochester, NY, USA
| | - Tal Zusman
- Orofacial Pain and TMJ Disorders, Eastman Institute for Oral Health, Rochester, NY, USA
| | - Qian Wang
- Orofacial Pain and TMJ Disorders, Eastman Institute for Oral Health, Rochester, NY, USA
| | - Eli Eliav
- Eastman Institute for Oral Health, Rochester, NY, USA
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Sun L, Lv Y, Tian J, Yu T, Niu F, Zhang X, Du D. Regular Swimming Exercise Attenuated Neuroma Pain in Rats: Involvement of Leptin and Adiponectin. THE JOURNAL OF PAIN 2019; 20:1112-1124. [DOI: 10.1016/j.jpain.2019.02.097] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 01/22/2019] [Accepted: 02/18/2019] [Indexed: 02/07/2023]
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Farzad B, Rajabi H, Gharakhanlou R, Allison DJ, Hayat P, Jameie SB. Swimming Training Attenuates Allodynia and Hyperalgesia Induced by Peripheral Nerve Injury in an Adult Male Rat Neuropathic Model: Effects on Irisin and GAD65. PAIN MEDICINE 2019; 19:2236-2245. [PMID: 29315430 DOI: 10.1093/pm/pnx294] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Objective The analgesic mechanism of long-lasting exercise on neuropathic pain is not well understood. This study explored the effects of swimming training on neuropathic pain and the expression of irisin, GAD65, and P2X3 after chronic constriction injury (CCI) of the sciatic nerve. Methods Thirty-five male rats were randomly assigned to one of the following five groups: 1) no CCI or swimming (control); 2) swimming without CCI (SW); 3) swimming with CCI (CCISW); 4) CCI without swimming (CCI); and 5) sham CCI surgery (sham CCI). Behavioral responses to mechanical, cold, and heat stimuli were tested before and after CCI surgery, as well as each week throughout the four weeks of swimming training. The expression of irisin, GAD65, and P2X3 proteins in L4-L6 spinal cord segment, ipsilateral to the nerve injury, were evaluated by western blotting. Results Mechanical hyperalgesia was alleviated between the second and fourth weeks of training in the CCISW group. In the tactile allodynia and heat hyperalgesia tests, withdrawal thresholds of the CCISW group were significantly higher than the CCI group at the third and fourth week of training (P < 0.05), while cold allodynia showed delayed improvement occurring by the fourth week of training. The expression of irisin was lower in the CCISW and SW groups compared with the CCI group at day 33 post-CCI surgery. Moreover, CCI surgery significantly decreased the protein expression of GAD65 in L4-L6 spinal cord segments (P = 0.018), whereas swimming training prevented the decline of GAD65 in the CCISW group. Conclusions Our findings showed that four weeks of swimming training produce beneficial rehabilitative effects on neuropathic pain symptoms. The analgesic effect of swimming training is partially related to the increase of GAD65. The beneficial role of irisin in neuropathic pain will require further investigation.
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Affiliation(s)
- Babak Farzad
- Neuroscience Research Center, Iran University of Medical Sciences, Tehran, Iran.,Department of Physical Education & Sports Science, Faculty of Humanities, Azad University, Tehran North Branch, Tehran, Iran
| | - Hamid Rajabi
- Department of Exercise Physiology, Faculty of Physical Education & Sports Science, Kharazmi University, Tehran, Iran
| | - Reza Gharakhanlou
- Department of Physical Education and Sports Sciences, Faculty of Humanities, Tarbiat Modares University, Tehran, Iran
| | - David J Allison
- Department of Kinesiology, Brock University, St Catharines, Ontario, Canada
| | - Parisa Hayat
- Cellular & Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Seyed Behnamedin Jameie
- Neuroscience Research Center, Iran University of Medical Sciences, Tehran, Iran.,Department of Basic Sciences, Faculty of Allied Medicine, Iran University of Medical Sciences, Tehran, Iran
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25
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Salgado ASI, Stramosk J, Ludtke DD, Kuci ACC, Salm DC, Ceci LA, Petronilho F, Florentino D, Danielski LG, Gassenferth A, Souza LR, Rezin GT, Santos ARS, Mazzardo-Martins L, Reed WR, Martins DF. Manual Therapy Reduces Pain Behavior and Oxidative Stress in a Murine Model of Complex Regional Pain Syndrome Type I. Brain Sci 2019; 9:brainsci9080197. [PMID: 31405150 PMCID: PMC6721404 DOI: 10.3390/brainsci9080197] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 08/08/2019] [Accepted: 08/08/2019] [Indexed: 01/24/2023] Open
Abstract
Complex regional pain syndrome type I (CRPS-I) is a chronic painful condition. We investigated whether manual therapy (MT), in a chronic post-ischemia pain (CPIP) model, is capable of reducing pain behavior and oxidative stress. Male Swiss mice were subjected to ischemia-reperfusion (IR) to mimic CRPS-I. Animals received ankle joint mobilization 48h after the IR procedure, and response to mechanical stimuli was evaluated. For biochemical analyses, mitochondrial function as well as oxidative stress thiobarbituric acid reactive substances (TBARS), protein carbonyls, antioxidant enzymes superoxide dismutase (SOD) and catalase (CAT) levels were determined. IR induced mechanical hyperalgesia which was subsequently reduced by acute MT treatment. The concentrations of oxidative stress parameters were increased following IR with MT treatment preventing these increases in malondialdehyde (MDA) and carbonyls protein. IR diminished the levels of SOD and CAT activity and MT treatment prevented this decrease in CAT but not in SOD activity. IR also diminished mitochondrial complex activity, and MT treatment was ineffective in preventing this decrease. In conclusion, repeated sessions of MT resulted in antihyperalgesic effects mediated, at least partially, through the prevention of an increase of MDA and protein carbonyls levels and an improvement in the antioxidant defense system.
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Affiliation(s)
- Afonso S I Salgado
- Coordinator of Integrative Physical Therapy Residency-Philadelphia University Center, Londrina 86020-000, Paraná, Brazil
- Experimental Neuroscience Laboratory (LaNEx), University of Southern Santa Catarina, Palhoça 88137-270, Santa Catarina, Brazil
| | - Juliana Stramosk
- Experimental Neuroscience Laboratory (LaNEx), University of Southern Santa Catarina, Palhoça 88137-270, Santa Catarina, Brazil
| | - Daniela D Ludtke
- Experimental Neuroscience Laboratory (LaNEx), University of Southern Santa Catarina, Palhoça 88137-270, Santa Catarina, Brazil
- Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça 88137-270, Santa Catarina, Brazil
| | - Ana C C Kuci
- Experimental Neuroscience Laboratory (LaNEx), University of Southern Santa Catarina, Palhoça 88137-270, Santa Catarina, Brazil
| | - Daiana C Salm
- Experimental Neuroscience Laboratory (LaNEx), University of Southern Santa Catarina, Palhoça 88137-270, Santa Catarina, Brazil
- Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça 88137-270, Santa Catarina, Brazil
| | - Lisandro A Ceci
- Experimental Neuroscience Laboratory (LaNEx), University of Southern Santa Catarina, Palhoça 88137-270, Santa Catarina, Brazil
- Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça 88137-270, Santa Catarina, Brazil
| | - Fabricia Petronilho
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Graduate Program in Health Sciences, Health Sciences Unit, University of South Santa Catarina, Tubarão 88704-900, Santa Catarina, Brazil
| | - Drielly Florentino
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Graduate Program in Health Sciences, Health Sciences Unit, University of South Santa Catarina, Tubarão 88704-900, Santa Catarina, Brazil
| | - Lucineia G Danielski
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Graduate Program in Health Sciences, Health Sciences Unit, University of South Santa Catarina, Tubarão 88704-900, Santa Catarina, Brazil
| | - Aline Gassenferth
- Laboratory of Neurobiology of Pain and Inflammation, Department of Physiological Sciences, Centre of Biological Sciences, University Federal of Santa Catarina, Florianópolis 88040-900, Santa Catarina, Brazil
| | - Luana R Souza
- Postgraduate Program in Neuroscience, Center of Biological Sciences, Federal University of Santa Catarina, Florianópolis 88040-900, Santa Catarina, Brazil
| | - Gislaine T Rezin
- Department of Physical Therapy, School of Health Professions, University of Alabama at Birmingham, Birmingham, AL 35294-1212, USA
| | - Adair R S Santos
- Laboratory of Neurobiology of Pain and Inflammation, Department of Physiological Sciences, Centre of Biological Sciences, University Federal of Santa Catarina, Florianópolis 88040-900, Santa Catarina, Brazil
- Postgraduate Program in Neuroscience, Center of Biological Sciences, Federal University of Santa Catarina, Florianópolis 88040-900, Santa Catarina, Brazil
| | - Leidiane Mazzardo-Martins
- Postgraduate Program in Neuroscience, Center of Biological Sciences, Federal University of Santa Catarina, Florianópolis 88040-900, Santa Catarina, Brazil
| | - William R Reed
- Department of Physical Therapy, School of Health Professions, University of Alabama at Birmingham, Birmingham, AL 35294-1212, USA
| | - Daniel F Martins
- Coordinator of Integrative Physical Therapy Residency-Philadelphia University Center, Londrina 86020-000, Paraná, Brazil.
- Experimental Neuroscience Laboratory (LaNEx), University of Southern Santa Catarina, Palhoça 88137-270, Santa Catarina, Brazil.
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26
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Altarifi A, Kalha Z, Kana'an S, Alfaqih M, Alsalem M. Effects of combined swimming exercise and non‑steroidal anti‑inflammatory drugs on inflammatory nociception in rats. Exp Ther Med 2019; 17:4303-4311. [DOI: 10.3892/etm.2019.7413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Accepted: 03/08/2019] [Indexed: 11/05/2022] Open
Affiliation(s)
- Ahmad Altarifi
- Department of Pharmacology, Faculty of Medicine, Jordan University of Science and Technology, Irbid 22110, Jordan
| | - Zain Kalha
- Department of Pharmacology, Faculty of Medicine, Jordan University of Science and Technology, Irbid 22110, Jordan
| | - Saddam Kana'an
- Department of Rehabilitation Sciences, Applied Medical Sciences, Faculty of Medicine, Jordan University of Science and Technology, Irbid 22110, Jordan
| | - Mahmoud Alfaqih
- Department of Physiology and Biochemistry, Faculty of Medicine, Jordan University of Science and Technology, Irbid 22110, Jordan
| | - Mohammad Alsalem
- Department of Anatomy and Histology, School of Medicine, University of Jordan, Irbid 22110, Jordan
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27
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Belmonte LAO, Martins TC, Salm DC, Emer AA, de Oliveira BH, Mathias K, Goldim MP, Horewicz VV, Piovezan AP, Bobinski F, Petronilho F, Martins DF. Effects of Different Parameters of Continuous Training and High-Intensity Interval Training in the Chronic Phase of a Mouse Model of Complex Regional Pain Syndrome Type I. THE JOURNAL OF PAIN 2018; 19:1445-1460. [PMID: 30006271 DOI: 10.1016/j.jpain.2018.06.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Revised: 06/15/2018] [Accepted: 06/26/2018] [Indexed: 01/03/2023]
Abstract
This study evaluated the effects of continuous and interval running on a treadmill on mechanical hyperalgesia in an animal model of chronic postischemia pain and analyzed the mechanism of action of this effect. Different groups of male Swiss mice with chronic postischemia pain, induced by 3 hours of paw ischemia followed by reperfusion, ran on the treadmill in different protocols-the speed (10, 13, 16, or 19 m/min), duration (15, 30, or 60 minutes), weekly frequency (3 or 5 times), weekly increase in continuous and interval running speed-were tested. Mechanical hyperalgesia was evaluated by von Frey filament 7, 14, and 21 days after paw ischemia followed by reperfusion. On day 11 after paw ischemia followed by reperfusion and after 5 days of continuous and interval running, concentrations of cytokines, oxidative stress parameters, and extracellular signal-regulated kinase 1/2 and AKT 1/2/3 expression in the spinal cord were measured. The results showed that continuous running has an antihyperalgesic effect that depends on intensity and volume. Interval running has a longer-lasting antihyperalgesic effect than continuous running. The antihyperalgesic effect depends on intensity and volume in continuous running, and increasing speed maintains the antihyperalgesic effect in both protocols. In the spinal cord, both runs decreased tumor necrosis factor-α and interleukin-6 levels and increased interleukin-10. Both running protocols reduced oxidative damage in the spinal cord. Only interval running had lower concentrations of phosphorylated extracellular signal-regulated kinase 1/2 in the spinal cord. Interval running presented a great antihyperalgesic potential with more promising results than continuous running, which may be owing to the fact that the interval running can activate different mechanisms from those activated by continuous running. PERSPECTIVE: A minimum of .5-hour sessions of moderate to high intensity ≥3 times a week are essential parameters for continuous and interval running-induced analgesia. However, interval running was shown to be more effective than continuous running and can be an important adjuvant treatment to chronic pain.
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Affiliation(s)
- Luiz Augusto Oliveira Belmonte
- Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça, Santa Catarina, Brazil; Experimental Neuroscience Laboratory (LaNEx), University of Southern Santa Catarina, Palhoça, Santa Catarina, Brazil
| | - Thiago César Martins
- Experimental Neuroscience Laboratory (LaNEx), University of Southern Santa Catarina, Palhoça, Santa Catarina, Brazil
| | - Daiana Cristina Salm
- Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça, Santa Catarina, Brazil; Experimental Neuroscience Laboratory (LaNEx), University of Southern Santa Catarina, Palhoça, Santa Catarina, Brazil
| | - Aline Armiliato Emer
- Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça, Santa Catarina, Brazil; Experimental Neuroscience Laboratory (LaNEx), University of Southern Santa Catarina, Palhoça, Santa Catarina, Brazil
| | - Bruna Hoffman de Oliveira
- Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça, Santa Catarina, Brazil; Experimental Neuroscience Laboratory (LaNEx), University of Southern Santa Catarina, Palhoça, Santa Catarina, Brazil
| | - Khiany Mathias
- Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça, Santa Catarina, Brazil; Laboratory of Neurobiology of Inflammatory and Metabolic Processes, University of Southern Santa Catarina at Tubarão, SC, Brazil
| | - Mariana Pereira Goldim
- Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça, Santa Catarina, Brazil; Laboratory of Neurobiology of Inflammatory and Metabolic Processes, University of Southern Santa Catarina at Tubarão, SC, Brazil
| | - Verônica Vargas Horewicz
- Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça, Santa Catarina, Brazil; Experimental Neuroscience Laboratory (LaNEx), University of Southern Santa Catarina, Palhoça, Santa Catarina, Brazil
| | - Anna Paula Piovezan
- Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça, Santa Catarina, Brazil; Experimental Neuroscience Laboratory (LaNEx), University of Southern Santa Catarina, Palhoça, Santa Catarina, Brazil
| | - Franciane Bobinski
- Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça, Santa Catarina, Brazil; Experimental Neuroscience Laboratory (LaNEx), University of Southern Santa Catarina, Palhoça, Santa Catarina, Brazil
| | - Fabrícia Petronilho
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, University of Southern Santa Catarina at Tubarão, SC, Brazil
| | - Daniel Fernandes Martins
- Postgraduate Program in Health Sciences, University of Southern Santa Catarina, Palhoça, Santa Catarina, Brazil; Experimental Neuroscience Laboratory (LaNEx), University of Southern Santa Catarina, Palhoça, Santa Catarina, Brazil.
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28
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de Azambuja G, Hortscht U, Hoheisel U, Oliveira Fusaro MC, Mense S, Treede RD. Short-term swimming exercise attenuates the sensitization of dorsal horn neurons in rats with NGF-induced low back pain. Eur J Pain 2018; 22:1409-1418. [PMID: 29635722 DOI: 10.1002/ejp.1230] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/30/2018] [Indexed: 01/25/2023]
Abstract
BACKGROUND Physical exercise has been shown to be an effective therapy for non-specific low back pain. The study investigated if swimming exercise is a means to reduce the spinal sensitization in an animal model of non-specific low back pain. METHODS In deeply anesthetized rats, dorsal horn neurons were recorded in spinal segment L2. To induce sensitization of dorsal horn neurons, two injections of nerve growth factor were made into the lumbar multifidus muscle at an interval of 5 days. Swimming exercise for 30 min was performed on the 5 days between both NGF injections. A control group received the NGF injections without exercise treatment. RESULTS Swimming exercise caused a significant decrease in the NGF-induced hyperexcitability of dorsal horn neurons. Compared to control, the proportion of neurons with input from deep somatic tissues and of convergent neurons with input from at least two types of different tissues decreased significantly (50% vs. 25% and 37% vs. 15%; both p < 0.05). Swimming exercise also reduced the NGF-induced increase in neuronal resting activity. Both the proportion of active neurons and the mean discharge frequency of all neurons decreased significantly (60%, 76.3 ± 23.1 imp/min; vs. 25%, 51.7 ± 35.1 imp/min; both p < 0.01). CONCLUSIONS In our animal model of low back pain, short-term swimming exercise effectively reduced the latent sensitization of spinal dorsal horn neurons. Swimming exercise decreased the hyperexcitability of the neurons to low back input and lowered the resting activity of sensitized neurons. SIGNIFICANCE Physical exercise is a common treatment for low back pain. The possible mechanisms underlying the effects of exercise are probably multifold. This work shows that swimming exercise prevents sensitization of dorsal horn neurons, which may be one mechanism for the positive effects of exercise.
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Affiliation(s)
- G de Azambuja
- Department of Neurophysiology, CBTM, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany.,Laboratory of Pain and Inflammation Research, School of Applied Sciences, State University of Campinas, Limeira, Brazil
| | - U Hortscht
- Department of Neurophysiology, CBTM, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - U Hoheisel
- Department of Neurophysiology, CBTM, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - M C Oliveira Fusaro
- Laboratory of Pain and Inflammation Research, School of Applied Sciences, State University of Campinas, Limeira, Brazil
| | - S Mense
- Department of Neurophysiology, CBTM, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - R-D Treede
- Department of Neurophysiology, CBTM, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
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29
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Vieira G, Cavalli J, Gonçalves ECD, Gonçalves TR, Laurindo LR, Cola M, Dutra RC. Effects of Simvastatin Beyond Dyslipidemia: Exploring Its Antinociceptive Action in an Animal Model of Complex Regional Pain Syndrome-Type I. Front Pharmacol 2017; 8:584. [PMID: 28928655 PMCID: PMC5591456 DOI: 10.3389/fphar.2017.00584] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Accepted: 08/14/2017] [Indexed: 12/13/2022] Open
Abstract
Simvastatin is a lipid-lowering agent that blocks the production of cholesterol through inhibition of 3-hydroxy-methyl-glutaryl coenzyme A (HMG-CoA) reductase. In addition, recent evidence has suggested its anti-inflammatory and antinociceptive actions during inflammatory and pain disorders. Herein, we investigated the effects of simvastatin in an animal model of complex regional pain syndrome-type I, and its underlying mechanisms. Chronic post-ischemia pain (CPIP) was induced by ischemia and reperfusion (IR) injury of the left hind paw. Our findings showed that simvastatin inhibited mechanical hyperalgesia induced by CPIP model in single and repeated treatment schedules, respectively; however simvastatin did not alter inflammatory signs during CPIP model. The mechanisms underlying those actions are related to modulation of transient receptor potential (TRP) channels, especially TRMP8. Moreover, simvastatin oral treatment was able to reduce the nociception induced by acidified saline [an acid-sensing ion channels (ASICs) activator] and bradykinin (BK) stimulus, but not by TRPA1, TRPV1 or prostaglandin-E2 (PGE2). Relevantly, the antinociceptive effects of simvastatin did not seem to be associated with modulation of the descending pain circuits, especially noradrenergic, serotoninergic and dopaminergic systems. These results indicate that simvastatin consistently inhibits mechanical hyperalgesia during neuropathic and inflammatory disorders, possibly by modulating the ascending pain signaling (TRPM8/ASIC/BK pathways expressed in the primary sensory neuron). Thus, simvastatin open-up new standpoint in the development of innovative analgesic drugs for treatment of persistent pain, including CRPS-I.
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Affiliation(s)
- Graziela Vieira
- Laboratory of Autoimmunity and Immunopharmacology (LAIF), Department of Health Sciences, Center of Araranguá, Federal University of Santa CatarinaAraranguá, Brazil
| | - Juliana Cavalli
- Laboratory of Autoimmunity and Immunopharmacology (LAIF), Department of Health Sciences, Center of Araranguá, Federal University of Santa CatarinaAraranguá, Brazil.,Post-Graduate Program of Cellular Biology and Developmental, Center of Biological Sciences, Federal University of Santa CatarinaFlorianópolis, Brazil
| | - Elaine C D Gonçalves
- Laboratory of Autoimmunity and Immunopharmacology (LAIF), Department of Health Sciences, Center of Araranguá, Federal University of Santa CatarinaAraranguá, Brazil.,Post-Graduate Program of Neuroscience, Center of Biological Sciences, Federal University of Santa CatarinaFlorianópolis, Brazil
| | - Tainara R Gonçalves
- Laboratory of Autoimmunity and Immunopharmacology (LAIF), Department of Health Sciences, Center of Araranguá, Federal University of Santa CatarinaAraranguá, Brazil
| | - Larissa R Laurindo
- Laboratory of Autoimmunity and Immunopharmacology (LAIF), Department of Health Sciences, Center of Araranguá, Federal University of Santa CatarinaAraranguá, Brazil
| | - Maíra Cola
- Laboratory of Autoimmunity and Immunopharmacology (LAIF), Department of Health Sciences, Center of Araranguá, Federal University of Santa CatarinaAraranguá, Brazil
| | - Rafael C Dutra
- Laboratory of Autoimmunity and Immunopharmacology (LAIF), Department of Health Sciences, Center of Araranguá, Federal University of Santa CatarinaAraranguá, Brazil.,Post-Graduate Program of Neuroscience, Center of Biological Sciences, Federal University of Santa CatarinaFlorianópolis, Brazil
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30
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Regular physical activity prevents development of chronic muscle pain through modulation of supraspinal opioid and serotonergic mechanisms. Pain Rep 2017; 2:e618. [PMID: 29392233 PMCID: PMC5777681 DOI: 10.1097/pr9.0000000000000618] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Revised: 07/06/2017] [Accepted: 07/07/2017] [Indexed: 11/26/2022] Open
Abstract
The current study shows that blockade of opioid receptors systemically in the periaqueductal gray and the rostral ventromedial medulla prevents analgesia by 8 weeks of wheel running in a chronic muscle pain model. We further show increases in serotonin transporter expression and reversal of hyperalgesia with a selective reuptake inhibitor in the rostral ventromedial medulla in the chronic muscle pain model, and exercise normalizes serotonin transporter expression. Introduction: It is generally believed that exercise produces its effects by activating central opioid receptors; there are little data that support this claim. The periaqueductal gray (PAG) and rostral ventromedial medulla (RVM) are key nuclei in opioid-induced analgesia, and opioids interact with serotonin to produce analgesia. Objectives: The purpose was to examine central inhibitory mechanisms involved in analgesia produced by wheel running. Methods: C57/Black6 mice were given access to running wheels in their home cages before induction of chronic muscle hyperalgesia and compared with those without running wheels. Systemic, intra-PAG, and intra-RVM naloxone tested the role of central opioid receptors in the antinociceptive effects of wheel running in animals with muscle insult. Immunohistochemistry for the serotonin transporter (SERT) in the spinal cord and RVM, and pharmacological blockade of SERT, tested whether the serotonin system was modulated by muscle insult and wheel running. Results: Wheel running prevented the development of muscle hyperalgesia. Systemic naloxone, intra-PAG naloxone, and intra-RVM naloxone reversed the antinociceptive effect of wheel running in animals that had received muscle insult. Induction of chronic muscle hyperalgesia increased SERT in the RVM, and blockade of SERT reversed the hyperalgesia in sedentary animals. Wheel running reduced SERT expression in animals with muscle insult. The serotonin transporter in the superficial dorsal horn of the spinal cord was unchanged after muscle insult, but increased after wheel running. Conclusion: These data support the hypothesis that wheel running produced analgesia through central inhibitory mechanisms involving opioidergic and serotonergic systems.
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31
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Piovezan AP, Batisti AP, Benevides MLACS, Turnes BL, Martins DF, Kanis L, Duarte ECW, Cavalheiro AJ, Bueno PCP, Seed MP, Norling LV, Cooper D, Headland S, Souza PRPS, Perretti M. Hydroalcoholic crude extract of Casearia sylvestris Sw. reduces chronic post-ischemic pain by activation of pro-resolving pathways. JOURNAL OF ETHNOPHARMACOLOGY 2017; 204:179-188. [PMID: 28412216 DOI: 10.1016/j.jep.2017.03.059] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2016] [Revised: 03/31/2017] [Accepted: 03/31/2017] [Indexed: 06/07/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Casearia sylvestris Sw. is widely used in popular medicine to treat conditions associated with pain. AIM OF THE STUDY The present study investigated the influence of hydroalcoholic crude extract of Casearia sylvestris (HCE-CS) and contribution of pro-resolving mediators on mechanical hyperalgesia in a mouse model of chronic post-ischemia pain (CPIP). METHODS AND RESULTS Male Swiss mice were subjected to ischemia of the right hind paw (3h), then reperfusion was allowed. At 10min, 24h or 48h post-ischemia/reperfusion (I/R), different groups of animals were treated with HCE-CS (30mg/Kg, orally [p.o]), selected agonists at the pro-resolving receptor ALX/FPR2 (natural molecules like resolvin D1 and lipoxin A4 or the synthetic compound BML-111; 0.1-1µg/animal) or vehicle (saline, 10mL/Kg, s.c.), in the absence or presence of the antagonist WRW4 (10µg, s.c.). Mechanical hyperalgesia (paw withdrawal to von Frey filament) was asseseed together with histological and immunostainning analyses. In these settings, pro-resolving mediators reduced mechanical hyperalgesia and HCE-CS or BML-111 displayed anti-hyperalgesic effects which was markedly attenuated in animals treated with WRW4. ALX/FPR2 expression was raised in skeletal muscle or neutrophils after treatment with HCE-CS or BML-111. CONCLUSION These results reveal significant antihyperalgesic effect of HCE-CS on CPIP, mediated at least in part, by the pathway of resolution of inflammation centred on the axis modulated by ALX/FPR2.
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Affiliation(s)
- Anna P Piovezan
- Post-Graduate Programm in Health Science - Southern Univeristy of Santa Catarina (UNISUL), Brazil; Laboratory of Experimental Neuroscience (LANEX)- UNISUL, Brazil; William Harvey Research Institute - Queen Mary University of London/London, UK.
| | - Ana P Batisti
- Post-Graduate Programm in Health Science - Southern Univeristy of Santa Catarina (UNISUL), Brazil; Laboratory of Experimental Neuroscience (LANEX)- UNISUL, Brazil.
| | - Maria L A C S Benevides
- Laboratory of Experimental Neuroscience (LANEX)- UNISUL, Brazil; Undergraduation in Medicine - UNISUL, Brazil.
| | - Bruna L Turnes
- Laboratory of Neurobiology of Pain and Inflammation - UFSC, Brazil.
| | - Daniel F Martins
- Post-Graduate Programm in Health Science - Southern Univeristy of Santa Catarina (UNISUL), Brazil; Laboratory of Experimental Neuroscience (LANEX)- UNISUL, Brazil.
| | - Luiz Kanis
- Post-Graduate Programm in Health Science - Southern Univeristy of Santa Catarina (UNISUL), Brazil.
| | | | | | - Paula C P Bueno
- Department of Organic Chemistry/Institute of Chemistry - UNESP, Brazil.
| | - Michael P Seed
- Clinical Research Group, School of Health Sport & Bioscience, University of East London, UK.
| | - Lucy V Norling
- William Harvey Research Institute - Queen Mary University of London/London, UK.
| | - Dianne Cooper
- William Harvey Research Institute - Queen Mary University of London/London, UK.
| | - Sarah Headland
- William Harvey Research Institute - Queen Mary University of London/London, UK.
| | | | - Mauro Perretti
- William Harvey Research Institute - Queen Mary University of London/London, UK.
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32
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Adenosine receptor targets for pain. Neuroscience 2016; 338:1-18. [DOI: 10.1016/j.neuroscience.2015.10.031] [Citation(s) in RCA: 135] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2015] [Revised: 09/29/2015] [Accepted: 10/15/2015] [Indexed: 12/21/2022]
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33
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Martins DF, Siteneski A, Ludtke DD, Dal-Secco D, Santos ARS. High-Intensity Swimming Exercise Decreases Glutamate-Induced Nociception by Activation of G-Protein-Coupled Receptors Inhibiting Phosphorylated Protein Kinase A. Mol Neurobiol 2016; 54:5620-5631. [PMID: 27624384 DOI: 10.1007/s12035-016-0095-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2016] [Accepted: 09/01/2016] [Indexed: 12/31/2022]
Abstract
Several studies in humans have reported that improved pain control is associated with exercise in a variety of painful conditions, including osteoarthritis, fibromyalgia, and neuropathic pain. Despite the growing amount of experimental data on physical exercise and nociception, the precise mechanisms through which high-intensity exercise reduces pain remain elusive. Since the glutamatergic system plays a major role in pain transmission, we firstly analyzed if physical exercise could be able to decrease glutamate-induced nociception through G-protein-coupled receptor (G-PCR) activation. The second purpose of this study was to examine the effect of exercising upon phosphorylation of protein kinase A (PKA) isoforms induced by intraplantar (i.pl.) glutamate injection in mice. Our results demonstrate that high-intensity swimming exercise decreases nociception induced by glutamate and that i.pl. or intrathecal injections of cannabinoid, opioid, and adenosine receptor antagonists, AM281, naloxone, and 1,3-dipropyl-8-cyclopentylxanthine (DPCPX), respectively, prevent this effect. Furthermore, the peripheral A1 and opioid receptors, but not CB1, are also involved in exercise's effect. We also verified that glutamate injection increases levels of phosphorylated PKA (p-PKA). High-intensity swimming exercise significantly prevented p-PKA increase. The current data show the direct involvement of the glutamatergic system on the hyponociceptive effect of high-intensity swimming exercise as well as demonstrate that physical exercise can activate multiple intracellular pathways through G-PCR activation, which share the same endogenous mechanism, i.e., inhibition of p-PKA.
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Affiliation(s)
- Daniel F Martins
- Experimental Neuroscience Laboratory, Postgraduate Program in Health Sciences, University of Southern of Santa Catarina, Campus Grande Florianópolis, Palhoça, Santa Catarina, Brazil.
| | - Aline Siteneski
- Experimental Neuroscience Laboratory, Postgraduate Program in Health Sciences, University of Southern of Santa Catarina, Campus Grande Florianópolis, Palhoça, Santa Catarina, Brazil
| | - Daniela D Ludtke
- Experimental Neuroscience Laboratory, Postgraduate Program in Health Sciences, University of Southern of Santa Catarina, Campus Grande Florianópolis, Palhoça, Santa Catarina, Brazil
| | - Daniela Dal-Secco
- Neurobiology Laboratory of Pain and Inflammation, Department of Physiological Sciences, Center for Biological Sciences, Federal University of Santa Catarina, Florianópolis, Santa Catarina, Brazil
| | - Adair R S Santos
- Neurobiology Laboratory of Pain and Inflammation, Department of Physiological Sciences, Center for Biological Sciences, Federal University of Santa Catarina, Florianópolis, Santa Catarina, Brazil
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34
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Cooper MA, Kluding PM, Wright DE. Emerging Relationships between Exercise, Sensory Nerves, and Neuropathic Pain. Front Neurosci 2016; 10:372. [PMID: 27601974 PMCID: PMC4993768 DOI: 10.3389/fnins.2016.00372] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Accepted: 08/02/2016] [Indexed: 01/09/2023] Open
Abstract
The utilization of physical activity as a therapeutic tool is rapidly growing in the medical community and the role exercise may offer in the alleviation of painful disease states is an emerging research area. The development of neuropathic pain is a complex mechanism, which clinicians and researchers are continually working to better understand. The limited therapies available for alleviation of these pain states are still focused on pain abatement and as opposed to treating underlying mechanisms. The continued research into exercise and pain may address these underlying mechanisms, but the mechanisms which exercise acts through are still poorly understood. The objective of this review is to provide an overview of how the peripheral nervous system responds to exercise, the relationship of inflammation and exercise, and experimental and clinical use of exercise to treat pain. Although pain is associated with many conditions, this review highlights pain associated with diabetes as well as experimental studies on nerve damages-associated pain. Because of the global effects of exercise across multiple organ systems, exercise intervention can address multiple problems across the entire nervous system through a single intervention. This is a double-edged sword however, as the global interactions of exercise also require in depth investigations to include and identify the many changes that can occur after physical activity. A continued investment into research is necessary to advance the adoption of physical activity as a beneficial remedy for neuropathic pain. The following highlights our current understanding of how exercise alters pain, the varied pain models used to explore exercise intervention, and the molecular pathways leading to the physiological and pathological changes following exercise intervention.
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Affiliation(s)
- Michael A Cooper
- Department of Anatomy and Cell Biology, University of Kansas Medical Center Kansas City, KS, USA
| | - Patricia M Kluding
- Department of Physical Therapy and Rehabilitation Science, University of Kansas Medical Center Kansas City, KS, USA
| | - Douglas E Wright
- Department of Anatomy and Cell Biology, University of Kansas Medical Center Kansas City, KS, USA
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Black CD, Gonglach AR, Renfroe JB, Hight RE. The effects of caffeine ingestion on exercise-induced hypoalgesia: A pilot study. Physiol Behav 2016; 161:1-6. [DOI: 10.1016/j.physbeh.2016.04.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2016] [Revised: 03/14/2016] [Accepted: 04/04/2016] [Indexed: 01/07/2023]
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Allen NE, Moloney N, van Vliet V, Canning CG. The Rationale for Exercise in the Management of Pain in Parkinson's Disease. JOURNAL OF PARKINSONS DISEASE 2016; 5:229-39. [PMID: 25649828 PMCID: PMC4923748 DOI: 10.3233/jpd-140508] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Pain is a distressing non-motor symptom experienced by up to 85% of people with Parkinson’s disease (PD), yet it is often untreated. This pain is likely to be influenced by many factors, including the disease process, PD impairments as well as co-existing musculoskeletal and/or neuropathic pain conditions. Expert opinion recommends that exercise is included as one component of pain management programs; however, the effect of exercise on pain in this population is unclear. This review presents evidence describing the potential influence of exercise on the pain-related pathophysiological processes present in PD. Emerging evidence from both animal and human studies suggests that exercise might contribute to neuroplasticity and neuro-restoration by increasing brain neurotrophic factors, synaptic strength and angiogenesis, as well as stimulating neurogenesis and improving metabolism and the immune response. These changes may be beneficial in improving the central processing of pain. There is also evidence that exercise can activate both the dopaminergic and non-dopaminergic pain inhibitory pathways, suggesting that exercise may help to modulate the experience of pain in PD. Whilst clinical data on the effects of exercise for pain relief in people with PD are scarce, and are urgently needed, preliminary guidelines are presented for exercise prescription for the management of central neuropathic, peripheral neuropathic and musculoskeletal pain in PD.
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Affiliation(s)
- Natalie E Allen
- Clinical and Rehabilitation Sciences Research Group, Faculty of Health Sciences, The University of Sydney, Sydney, Australia
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Uliginosin B, a Possible New Analgesic Drug, Acts by Modulating the Adenosinergic System. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2016; 2016:5890590. [PMID: 27087824 PMCID: PMC4819114 DOI: 10.1155/2016/5890590] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Accepted: 02/21/2016] [Indexed: 12/24/2022]
Abstract
Uliginosin B (ULI) is a natural acylphloroglucinol that has been proposed as a new molecular scaffold for developing analgesic and antidepressant drugs. Its effects seem to be due to its ability to increase monoamines in the synaptic cleft by inhibiting their neuronal uptake without binding to their respective transporters, but its exact mode of action is still unknown. Considering the importance of the purinergic system to pain transmission and its modulation by monoamines availability, the aim of this study was to investigate the involvement of adenosinergic signaling in antinociceptive effect of uliginosin B. The selective adenosine A1 receptor antagonist DPCPX and the selective A2A antagonist ZM 241385 prevented the effect of ULI in the hot-plate test in mice. Pretreatment with inhibitors of adenosine reuptake (dipyridamole) or adenosine deaminase (EHNA) did not affect the ULI effect. On the other hand, its effect was completely prevented by an inhibitor of ecto-5′-nucleotidase (AMPCP). This finding was confirmed ex vivo, whereby ULI treatment increased AMP and ATP hydrolysis in spinal cord and cerebral cortex synaptosomes, respectively. Altogether, these data indicate that activation of A1 and A2A receptors and the modulation of ecto-5′-nucleotidase activity contribute to the antinociceptive effect of ULI.
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Martins DF, Prado MRB, Daruge-Neto E, Batisti AP, Emer AA, Mazzardo-Martins L, Santos ARS, Piovezan AP. Caffeine prevents antihyperalgesic effect of gabapentin in an animal model of CRPS-I: evidence for the involvement of spinal adenosine A1
receptor. J Peripher Nerv Syst 2015; 20:403-9. [DOI: 10.1111/jns.12149] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2015] [Revised: 10/05/2015] [Accepted: 10/06/2015] [Indexed: 11/29/2022]
Affiliation(s)
- Daniel F. Martins
- Post-Graduate Program of Health Sciences; University of Southern Santa Catarina; Palhoça Santa Catarina Brazil
- Experimental Neuroscience Laboratory; University of Southern Santa Catarina; Palhoça Santa Catarina Brazil
- Undergraduate Course of Medicine; University of Southern Santa Catarina; Palhoça Santa Catarina Brazil
| | - Marcos R. B. Prado
- Experimental Neuroscience Laboratory; University of Southern Santa Catarina; Palhoça Santa Catarina Brazil
- Undergraduate Course of Medicine; University of Southern Santa Catarina; Palhoça Santa Catarina Brazil
| | - Eduardo Daruge-Neto
- Experimental Neuroscience Laboratory; University of Southern Santa Catarina; Palhoça Santa Catarina Brazil
- Undergraduate Course of Medicine; University of Southern Santa Catarina; Palhoça Santa Catarina Brazil
| | - Ana P. Batisti
- Experimental Neuroscience Laboratory; University of Southern Santa Catarina; Palhoça Santa Catarina Brazil
| | - Aline A. Emer
- Post-Graduate Program of Health Sciences; University of Southern Santa Catarina; Palhoça Santa Catarina Brazil
- Experimental Neuroscience Laboratory; University of Southern Santa Catarina; Palhoça Santa Catarina Brazil
| | - Leidiane Mazzardo-Martins
- Department of Morphological Sciences; Federal University of Santa Catarina; Florianópolis Santa Catarina Brazil
| | - Adair R. S. Santos
- Neurobiology Laboratory of Pain and Inflammation, Department of Physiological Sciences, Center of Biological Sciences; Federal University of Santa Catarina; Florianópolis Santa Catarina Brazil
| | - Anna P. Piovezan
- Post-Graduate Program of Health Sciences; University of Southern Santa Catarina; Palhoça Santa Catarina Brazil
- Experimental Neuroscience Laboratory; University of Southern Santa Catarina; Palhoça Santa Catarina Brazil
- Undergraduate Course of Medicine; University of Southern Santa Catarina; Palhoça Santa Catarina Brazil
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Dugan EA, Sagen J. An Intensive Locomotor Training Paradigm Improves Neuropathic Pain following Spinal Cord Compression Injury in Rats. J Neurotrauma 2015; 32:622-32. [DOI: 10.1089/neu.2014.3692] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
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Exercise therapy normalizes BDNF upregulation and glial hyperactivity in a mouse model of neuropathic pain. Pain 2015; 156:504-513. [DOI: 10.1097/01.j.pain.0000460339.23976.12] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Abstract
The benefit of exercise for pain control likely comes from the impact of exercise on the endogenous opioid system and on central pain modulatory systems. Patients with some chronic pain conditions seem to have a dysfunctional endogenous pain modulatory system, which should be considered when prescribing exercise. The prescription of exercise for chronic pain must address the biomechanical issues and the psychosocial factors that contribute to the patient's pain and disability. Patient education, coordination of care within the health care team, and selecting an exercise regimen that is meaningful to and achievable by the patient are all important components to promote a successful rehabilitation program.
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Affiliation(s)
- Heather R Kroll
- Rehabilitation Institute of Washington, PLLC, 415 1st Ave N, Ste 200, Seattle, WA 98109, USA; Department of Rehabilitation Medicine, University of Washington School of Medicine, 325 9th Ave, Box 359612, Seattle, WA 98104, USA.
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Abstract
This paper is the thirty-sixth consecutive installment of the annual review of research concerning the endogenous opioid system. It summarizes papers published during 2013 that studied the behavioral effects of molecular, pharmacological and genetic manipulation of opioid peptides, opioid receptors, opioid agonists and opioid antagonists. The particular topics that continue to be covered include the molecular-biochemical effects and neurochemical localization studies of endogenous opioids and their receptors related to behavior, and the roles of these opioid peptides and receptors in pain and analgesia; stress and social status; tolerance and dependence; learning and memory; eating and drinking; alcohol and drugs of abuse; sexual activity and hormones, pregnancy, development and endocrinology; mental illness and mood; seizures and neurologic disorders; electrical-related activity and neurophysiology; general activity and locomotion; gastrointestinal, renal and hepatic functions; cardiovascular responses; respiration and thermoregulation; and immunological responses.
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Affiliation(s)
- Richard J Bodnar
- Department of Psychology and Neuropsychology Doctoral Sub-Program, Queens College, City University of New York, Flushing, NY 11367, United States.
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Khan J, Benavent V, Korczeniewska OA, Benoliel R, Eliav E. Exercise-Induced Hypoalgesia Profile in Rats Predicts Neuropathic Pain Intensity Induced by Sciatic Nerve Constriction Injury. THE JOURNAL OF PAIN 2014; 15:1179-1189. [DOI: 10.1016/j.jpain.2014.08.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2014] [Revised: 08/21/2014] [Accepted: 08/27/2014] [Indexed: 01/07/2023]
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Chen CC, Chang MW, Chang CP, Chan SC, Chang WY, Yang CL, Lin MT. A forced running wheel system with a microcontroller that provides high-intensity exercise training in an animal ischemic stroke model. ACTA ACUST UNITED AC 2014; 47:858-68. [PMID: 25140816 PMCID: PMC4181221 DOI: 10.1590/1414-431x20143754] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2013] [Accepted: 05/12/2014] [Indexed: 12/19/2022]
Abstract
We developed a forced non-electric-shock running wheel (FNESRW) system that provides rats with high-intensity exercise training using automatic exercise training patterns that are controlled by a microcontroller. The proposed system successfully makes a breakthrough in the traditional motorized running wheel to allow rats to perform high-intensity training and to enable comparisons with the treadmill at the same exercise intensity without any electric shock. A polyvinyl chloride runway with a rough rubber surface was coated on the periphery of the wheel so as to permit automatic acceleration training, and which allowed the rats to run consistently at high speeds (30 m/min for 1 h). An animal ischemic stroke model was used to validate the proposed system. FNESRW, treadmill, control, and sham groups were studied. The FNESRW and treadmill groups underwent 3 weeks of endurance running training. After 3 weeks, the experiments of middle cerebral artery occlusion, the modified neurological severity score (mNSS), an inclined plane test, and triphenyltetrazolium chloride were performed to evaluate the effectiveness of the proposed platform. The proposed platform showed that enhancement of motor function, mNSS, and infarct volumes was significantly stronger in the FNESRW group than the control group (P<0.05) and similar to the treadmill group. The experimental data demonstrated that the proposed platform can be applied to test the benefit of exercise-preconditioning-induced neuroprotection using the animal stroke model. Additional advantages of the FNESRW system include stand-alone capability, independence of subjective human adjustment, and ease of use.
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Affiliation(s)
- C C Chen
- Department of Electrical Engineering, National Cheng-Kung University, Tainan, Taiwan
| | - M W Chang
- Department of Electrical Engineering, Southern Taiwan University of Science and Technology, Tainan, Taiwan
| | - C P Chang
- Department of Biotechnology, Southern Taiwan University of Science and Technology, Tainan, Taiwan
| | - S C Chan
- Department of Electrical Engineering, National Cheng-Kung University, Tainan, Taiwan
| | - W Y Chang
- Department of Electrical Engineering, National Cheng-Kung University, Tainan, Taiwan
| | - C L Yang
- Department of Electrical Engineering, National Cheng-Kung University, Tainan, Taiwan
| | - M T Lin
- Department of Medical Research, Chi Mei Medical Center, Tainan, Taiwan
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Kaster MP, Budni J, Gazal M, Cunha MP, Santos ARS, Rodrigues ALS. The antidepressant-like effect of inosine in the FST is associated with both adenosine A1 and A 2A receptors. Purinergic Signal 2013; 9:481-6. [PMID: 23613131 PMCID: PMC3757140 DOI: 10.1007/s11302-013-9361-8] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2013] [Accepted: 03/27/2013] [Indexed: 12/31/2022] Open
Abstract
Inosine is an endogenous purine nucleoside, which is formed during the breakdown of adenosine. The adenosinergic system was already described as capable of modulating mood in preclinical models; we now explored the effects of inosine in two predictive models of depression: the forced swim test (FST) and tail suspension test (TST). Mice treated with inosine displayed higher anti-immobility in the FST (5 and 50 mg/kg, intraperitoneal route (i.p.)) and in the TST (1 and 10 mg/kg, i.p.) when compared to vehicle-treated groups. These antidepressant-like effects started 30 min and lasted for 2 h after intraperitoneal administration of inosine and were not accompanied by any changes in the ambulatory activity in the open-field test. Both adenosine A1 and A2A receptor antagonists prevented the antidepressant-like effect of inosine in the FST. In addition, the administration of an adenosine deaminase inhibitor (1 and 10 mg/kg, i.p.) also caused an antidepressant-like effect in the FST. These results indicate that inosine possesses an antidepressant-like effect in the FST and TST probably through the activation of adenosine A1 and A2A receptors, further reinforcing the potential of targeting the purinergic system to the management of mood disorders.
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Affiliation(s)
- Manuella P Kaster
- Department of Life and Health Sciences, Universidade Católica de Pelotas (UCPel), Pelotas, Rio Grande do Sul, Brazil.
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Abstract
Ketogenic diets are well established as a successful anticonvulsant therapy. Based on overlap between mechanisms postulated to underlie pain and inflammation, and mechanisms postulated to underlie therapeutic effects of ketogenic diets, recent studies have explored the ability for ketogenic diets to reduce pain. Here we review clinical and basic research thus far exploring the impact of a ketogenic diet on thermal pain, inflammation, and neuropathic pain.
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Affiliation(s)
- Susan A. Masino
- Correspondence to: Susan A. Masino, Department of Psychology/Neuroscience Program, Trinity College, 300 Summit Street, Hartford, CT, USA 06106, Phone (860) 297-2557; Fax (806) 297-2538,
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