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Li YL, Zhang YY, Song QX, Liu F, Liu YJ, Li YK, Zhou C, Shen JF. N-methyl-D-aspartate Receptor Subunits 2A and 2B Mediate Connexins and Pannexins in the Trigeminal Ganglion Involved in Orofacial Inflammatory Allodynia during Temporomandibular Joint Inflammation. Mol Neurobiol 2024:10.1007/s12035-024-04291-5. [PMID: 38976127 DOI: 10.1007/s12035-024-04291-5] [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: 02/28/2024] [Accepted: 06/06/2024] [Indexed: 07/09/2024]
Abstract
Temporomandibular joint osteoarthritis (TMJOA) is a severe form of temporomandibular joint disorders (TMD), and orofacial inflammatory allodynia is one of its common symptoms which lacks effective treatment. N-methyl-D-aspartate receptor (NMDAR), particularly its subtypes GluN2A and GluN2B, along with gap junctions (GJs), are key players in the mediation of inflammatory pain. However, the precise regulatory mechanisms of GluN2A, GluN2B, and GJs in orofacial inflammatory allodynia during TMJ inflammation still remain unclear. Here, we established the TMJ inflammation model by injecting Complete Freund's adjuvant (CFA) into the TMJ and used Cre/loxp site-specific recombination system to conditionally knock out (CKO) GluN2A and GluN2B in the trigeminal ganglion (TG). Von-frey test results indicated that CFA-induced mechanical allodynia in the TMJ region was relieved in GluN2A and GluN2B deficient mice. In vivo, CFA significantly up-regulated the expression of GluN2A and GluN2B, Gjb1, Gjb2, Gjc2 and Panx3 in the TG, and GluN2A and GluN2B CKO played different roles in mediating the expression of Gjb1, Gjb2, Gjc2 and Panx3. In vitro, NMDA up-regulated the expression of Gjb1, Gjb2, Gjc2 and Panx3 in satellite glial cells (SGCs) as well as promoted the intercellular communication between SGCs, and GluN2A and GluN2B knocking down (KD) altered the expression and function differently. NMDAR regulated Gjb1 and Panx3 through ERK1/2 pathway, and mediated Gjb2 and Gjc2 through MAPK, PKA, and PKC intracellular signaling pathways. These findings shed light on the distinct functions of GluN2A and GluN2B in mediating peripheral sensitization induced by TMJ inflammation in the TG, offering potential therapeutic targets for managing orofacial inflammatory allodynia.
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Affiliation(s)
- Yue-Ling Li
- State Key Laboratory of Oral Diseases & National Center for Stomatology &, National Clinical Research Center for Oral Disease& West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Renmin Road South, Chengdu, 610041, China
| | - Yan-Yan Zhang
- State Key Laboratory of Oral Diseases & National Center for Stomatology &, National Clinical Research Center for Oral Disease& West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Renmin Road South, Chengdu, 610041, China
| | - Qin-Xuan Song
- State Key Laboratory of Oral Diseases & National Center for Stomatology &, National Clinical Research Center for Oral Disease& West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Renmin Road South, Chengdu, 610041, China
| | - Fei Liu
- State Key Laboratory of Oral Diseases & National Center for Stomatology &, National Clinical Research Center for Oral Disease& West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Renmin Road South, Chengdu, 610041, China
| | - Ya-Jing Liu
- State Key Laboratory of Oral Diseases & National Center for Stomatology &, National Clinical Research Center for Oral Disease& West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Renmin Road South, Chengdu, 610041, China
| | - Yi-Ke Li
- State Key Laboratory of Oral Diseases & National Center for Stomatology &, National Clinical Research Center for Oral Disease& West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Renmin Road South, Chengdu, 610041, China
| | - Cheng Zhou
- Laboratory of Anesthesia and Critical Care Medicine, Translational Neuroscience Center, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - Jie-Fei Shen
- State Key Laboratory of Oral Diseases & National Center for Stomatology &, National Clinical Research Center for Oral Disease& West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China.
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Renmin Road South, Chengdu, 610041, China.
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Mesquita MLM, Magalhães AKPG, Nascimento MV, Pascoal SCD, Pontes KMDF, Bonjardim LR, Conti PCR, Pinto Fiamengui LMS. Nutrition and chronic musculoskeletal pain: A narrative review and directions for temporomandibular disorder research and management. J Oral Rehabil 2024. [PMID: 38757839 DOI: 10.1111/joor.13744] [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: 05/11/2023] [Revised: 04/30/2024] [Accepted: 05/06/2024] [Indexed: 05/18/2024]
Abstract
BACKGROUND Recent evidence suggests neuro-immune mechanisms may link dietary patterns to chronic painful conditions (CPC). In the research field of oro-facial pain (OFP), studies focuses primarily on dietary mechanical limitations due to pain and dysfunction. OBJECTIVE This narrative review aimed to overview the role of nutrition on CPC, with emphasis on temporomandibular disorder (TMD), enlightening OFP researcher on dietary assessment possibilities and providing directions for studies in the field of OFP and nutrition. METHODS A PubMed database search was performed using the MeSH and non-MeSH descriptors: "temporomandibular joint disorder"; "orofacial pain"; "musculoskeletal pain"; "chronic pain disorders"; "nutrition"; "diet"; "dietary therapy"; "dietary intake" and "inflammation". No time restrictions were applied. Literature reviews, systematic reviews, meta-analyses and clinical and pre-clinical trials were included. RESULTS Exogenous oxidants from unhealthy dietary patterns may contribute to peripheral and central pro-inflammatory immune signalling leading to peripheral and central sensitization. Furthermore, diets rich in bioactive compounds are suggested to contribute to pain management of CPC. High dietary intake of ultra-processed foods impacts the quality of the diet and shows adverse health outcomes. In this context, the role of nutrition on TMD remains overlooked. CONCLUSION Considering diet may influence CPC, allied with the scarcity of studies evaluating the role of nutrition on TMD, well-designed clinical trials based on dietary assessments and measurements capable of evaluating food quality, UPF consumption and nutrient adequacy-added to serum nutrient levels evaluation-are suggested.
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Srebro D, Dožić B, Vučković S, Savić Vujović K, Medić Brkić B, Dožić I, Srebro M. The Interactions of Magnesium Sulfate and Cromoglycate in a Rat Model of Orofacial Pain; The Role of Magnesium on Mast Cell Degranulation in Neuroinflammation. Int J Mol Sci 2023; 24:ijms24076241. [PMID: 37047214 PMCID: PMC10094402 DOI: 10.3390/ijms24076241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 03/16/2023] [Accepted: 03/20/2023] [Indexed: 03/29/2023] Open
Abstract
Mast cell degranulation impacts the development of pain and inflammation during tissue injury. We investigated the antinociceptive effect of a combination of cromoglycate and magnesium in the orofacial model of pain and the histological profile of the effect of magnesium in orofacial pain. In male Wistar rats, formalin (1.5%, 100 µL) was injected subcutaneously into the right upper lip of rats after cromoglycate and/or magnesium. Pain was measured as the total time spent on pain-related behavior. Toluidine blue staining was used to visualize mast cells under the light microscope. In the formalin test, in phase 1, magnesium antagonized the antinociceptive effect of cromoglycate, while in phase 2, it potentiated or inhibited its effect. Magnesium significantly reduced mast cell degranulation in the acute phase by about 23% and in the second phase by about 40%. Pearson’s coefficient did not show a significant correlation between mast cell degranulation and pain under treatment with magnesium. The cromoglycate–magnesium sulfate combination may prevent the development of inflammatory orofacial pain. The effect of a combination of cromoglycate–magnesium sulfate depends on the nature of the pain and the individual effects of the drugs. Magnesium reduced orofacial inflammation in the periphery, and this effect did not significantly contribute to its analgesic effect.
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Affiliation(s)
- Dragana Srebro
- Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Belgrade, Dr Subotića-Starijeg 1, 11129 Belgrade, Serbia; (D.S.)
| | - Branko Dožić
- Department of Pathology, School of Dental Medicine, University of Belgrade, Dr Subotića-Starijeg 1, 11000 Belgrade, Serbia
- Correspondence: or
| | - Sonja Vučković
- Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Belgrade, Dr Subotića-Starijeg 1, 11129 Belgrade, Serbia; (D.S.)
| | - Katarina Savić Vujović
- Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Belgrade, Dr Subotića-Starijeg 1, 11129 Belgrade, Serbia; (D.S.)
| | - Branislava Medić Brkić
- Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Belgrade, Dr Subotića-Starijeg 1, 11129 Belgrade, Serbia; (D.S.)
| | - Ivan Dožić
- Department of Biochemistry, School of Dental Medicine, University of Belgrade, Dr Subotića-Starijeg 1, 11000 Belgrade, Serbia
| | - Milorad Srebro
- Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Belgrade, Dr Subotića-Starijeg 1, 11129 Belgrade, Serbia; (D.S.)
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Chung MK, Wang S, Alshanqiti I, Hu J, Ro JY. The degeneration-pain relationship in the temporomandibular joint: Current understandings and rodent models. FRONTIERS IN PAIN RESEARCH 2023; 4:1038808. [PMID: 36846071 PMCID: PMC9947567 DOI: 10.3389/fpain.2023.1038808] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 01/18/2023] [Indexed: 02/11/2023] Open
Abstract
Temporomandibular disorders (TMD) represent a group of musculoskeletal conditions involving the temporomandibular joints (TMJ), the masticatory muscles and associated structures. Painful TMD are highly prevalent and conditions afflict 4% of US adults annually. TMD include heterogenous musculoskeletal pain conditions, such as myalgia, arthralgia, and myofascial pain. A subpopulations of TMD patients show structural changes in TMJ, including disc displacement or degenerative joint diseases (DJD). DJD is a slowly progressing, degenerative disease of the TMJ characterized by cartilage degradation and subchondral bone remodeling. Patients with DJD often develop pain (TMJ osteoarthritis; TMJ OA), but do not always have pain (TMJ osteoarthrosis). Therefore, pain symptoms are not always associated with altered TMJ structures, which suggests that a causal relationship between TMJ degeneration and pain is unclear. Multiple animal models have been developed for determining altered joint structure and pain phenotypes in response to various TMJ injuries. Rodent models of TMJOA and pain include injections to induce inflammation or cartilage destruction, sustained opening of the oral cavity, surgical resection of the articular disc, transgenic approaches to knockout or overexpress key genes, and an integrative approach with superimposed emotional stress or comorbidities. In rodents, TMJ pain and degeneration occur during partially overlapping time periods in these models, which suggests that common biological factors may mediate TMJ pain and degeneration over different time courses. While substances such as intra-articular pro-inflammatory cytokines commonly cause pain and joint degeneration, it remains unclear whether pain or nociceptive activities are causally associated with structural degeneration of TMJ and whether structural degeneration of TMJ is necessary for producing persistent pain. A thorough understanding of the determining factors of pain-structure relationships of TMJ during the onset, progression, and chronification by adopting novel approaches and models should improve the ability to simultaneously treat TMJ pain and TMJ degeneration.
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Affiliation(s)
- Man-Kyo Chung
- Department of Neural and Pain Sciences, School of Dentistry, Program in Neuroscience, Center to Advance Chronic Pain Research, University of Maryland Baltimore, Baltimore, MD, United States
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Zhang YY, Liu F, Fang ZH, Li YL, Liao HL, Song QX, Zhou C, Shen JF. Differential roles of NMDAR subunits 2A and 2B in mediating peripheral and central sensitization contributing to orofacial neuropathic pain. Brain Behav Immun 2022; 106:129-146. [PMID: 36038077 DOI: 10.1016/j.bbi.2022.08.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 07/27/2022] [Accepted: 08/23/2022] [Indexed: 11/29/2022] Open
Abstract
The spinal N-methyl-d-aspartate receptor (NMDAR), particularly their subtypes NR2A and NR2B, plays pivotal roles in neuropathic and inflammatory pain. However, the roles of NR2A and NR2B in orofacial pain and the exact molecular and cellular mechanisms mediating nervous system sensitization are still poorly understood. Here, we exhaustively assessed the regulatory effect of NMDAR in mediating peripheral and central sensitization in orofacial neuropathic pain. Von-Frey filament tests showed that the inferior alveolar nerve transection (IANX) induced ectopic allodynia behavior in the whisker pad of mice. Interestingly, mechanical allodynia was reversed in mice lacking NR2A and NR2B. IANX also promoted the production of peripheral sensitization-related molecules, such as interleukin (IL)-1β, tumor necrosis factor (TNF)-α, brain-derived neurotrophic factor (BDNF), and chemokine upregulation (CC motif) ligand 2 (CCL2), and decreased the inward potassium channel (Kir) 4.1 on glial cells in the trigeminal ganglion, but NR2A conditional knockout (CKO) mice prevented these alterations. In contrast, NR2B CKO only blocked the changes of Kir4.1, IL-1β, and TNF-α and further promoted the production of CCL2. Central sensitization-related c-fos, glial fibrillary acidic protein (GFAP), and ionized calcium-binding adaptor molecule 1 (Iba-1) were promoted and Kir4.1 was reduced in the spinal trigeminal caudate nucleus by IANX. Differential actions of NR2A and NR2B in mediating central sensitization were also observed. Silencing of NR2B was effective in reducing c-fos, GFAP, and Iba-1 but did not affect Kir4.1. In contrast, NR2A CKO only altered Iba-1 and Kir4.1 and further increased c-fos and GFAP. Gain-of-function and loss-of-function approaches provided insight into the differential roles of NR2A and NR2B in mediating peripheral and central nociceptive sensitization induced by IANX, which may be a fundamental basis for advancing knowledge of the neural mechanisms' reaction to nerve injury.
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Affiliation(s)
- Yan-Yan Zhang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China; Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Fei Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China; Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Zhong-Han Fang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China; Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yue-Ling Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China; Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Hong-Lin Liao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China; Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Qin-Xuan Song
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China; Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Cheng Zhou
- Laboratory of Anesthesia and Critical Care Medicine, Translational Neuroscience Center, West China Hospital of Sichuan University, Chengdu, China
| | - Jie-Fei Shen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China; Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China.
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Liu YJ, Li YL, Fang ZH, Liao HL, Zhang YY, Lin J, Liu F, Shen JF. NMDARs mediate peripheral and central sensitization contributing to chronic orofacial pain. Front Cell Neurosci 2022; 16:999509. [PMID: 36238833 PMCID: PMC9553029 DOI: 10.3389/fncel.2022.999509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Accepted: 08/22/2022] [Indexed: 11/28/2022] Open
Abstract
Peripheral and central sensitizations of the trigeminal nervous system are the main mechanisms to promote the development and maintenance of chronic orofacial pain characterized by allodynia, hyperalgesia, and ectopic pain after trigeminal nerve injury or inflammation. Although the pathomechanisms of chronic orofacial pain are complex and not well known, sufficient clinical and preclinical evidence supports the contribution of the N-methyl-D-aspartate receptors (NMDARs, a subclass of ionotropic glutamate receptors) to the trigeminal nociceptive signal processing pathway under various pathological conditions. NMDARs not only have been implicated as a potential mediator of pain-related neuroplasticity in the peripheral nervous system (PNS) but also mediate excitatory synaptic transmission and synaptic plasticity in the central nervous system (CNS). In this review, we focus on the pivotal roles and mechanisms of NMDARs in the trigeminal nervous system under orofacial neuropathic and inflammatory pain. In particular, we summarize the types, components, and distribution of NMDARs in the trigeminal nervous system. Besides, we discuss the regulatory roles of neuron-nonneuronal cell/neuron-neuron communication mediated by NMDARs in the peripheral mechanisms of chronic orofacial pain following neuropathic injury and inflammation. Furthermore, we review the functional roles and mechanisms of NMDARs in the ascending and descending circuits under orofacial neuropathic and inflammatory pain conditions, which contribute to the central sensitization. These findings are not only relevant to understanding the underlying mechanisms, but also shed new light on the targeted therapy of chronic orofacial pain.
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Affiliation(s)
- Ya-Jing Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Center for Stomatology, West China School of Stomatology, Sichuan University, Chengdu, China
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yue-Ling Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Center for Stomatology, West China School of Stomatology, Sichuan University, Chengdu, China
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Zhong-Han Fang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Center for Stomatology, West China School of Stomatology, Sichuan University, Chengdu, China
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Hong-Lin Liao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Center for Stomatology, West China School of Stomatology, Sichuan University, Chengdu, China
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yan-Yan Zhang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Center for Stomatology, West China School of Stomatology, Sichuan University, Chengdu, China
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jiu Lin
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Center for Stomatology, West China School of Stomatology, Sichuan University, Chengdu, China
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Fei Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Center for Stomatology, West China School of Stomatology, Sichuan University, Chengdu, China
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- *Correspondence: Jie-Fei Shen Fei Liu
| | - Jie-Fei Shen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Center for Stomatology, West China School of Stomatology, Sichuan University, Chengdu, China
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- *Correspondence: Jie-Fei Shen Fei Liu
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Meng Y, Shen HL. Role of N-Methyl-D-Aspartate Receptor NR2B Subunit in Inflammatory Arthritis-Induced Chronic Pain and Peripheral Sensitized Neuropathic Pain: A Systematic Review. J Pain Res 2022; 15:2005-2013. [PMID: 35880050 PMCID: PMC9307865 DOI: 10.2147/jpr.s367982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 07/06/2022] [Indexed: 11/23/2022] Open
Abstract
Arthritis is a common clinical disease that affects millions of people in the world. The most common types of arthritis are osteoarthritis and rheumatoid arthritis. Inflammatory arthritis (IA), a chronic painful disease, is characterized by synovitis and cartilage destruction in the early stages. Pathologically, IA causes inflammatory changes in the joints and eventually leads to joint destruction. Pain is associated with inflammation and abnormal regulation of the nervous system pathways involved in pain promotion and inhibition. In addition, the occurrence of pain is associated with depression and anxiety. We found that there are many factors affecting pain, in addition to inflammatory factors, glutamate receptor may be the possible cause of long-term chronic pain caused by IA. N-methyl-d-aspartate receptor subunit 2B (NR2B) has been reported to involved in IA and nervous system diseases, especially peripheral neuropathic pain. In this review, we summarized the mechanisms of the NR2B subunit of the N-methyl-D-aspartate (NMDA) receptor in peripheral nerve sensitization during IA and chronic pain.
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Affiliation(s)
- Yu Meng
- Department of Pain, The Lanzhou University Second Hospital, Lanzhou, People's Republic of China
| | - Hai Li Shen
- Department of Rheumatology and Immunology, The Lanzhou University Second Hospital, Lanzhou, People's Republic of China
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Zhang S, Wu L, Zhang M, He K, Wang X, Lin Y, Li S, Chen J. Occlusal Disharmony-A Potential Factor Promoting Depression in a Rat Model. Brain Sci 2022; 12:brainsci12060747. [PMID: 35741632 PMCID: PMC9221239 DOI: 10.3390/brainsci12060747] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 05/13/2022] [Accepted: 06/03/2022] [Indexed: 02/04/2023] Open
Abstract
Objectives: Patients with occlusal disharmony (OD) may be susceptible to depression. The hypothalamus−pituitary−adrenal axis, 5-HT and 5HT2AR in the prefrontal cortex (PFC), amygdala, and hippocampus are involved in the modulation of emotion and depression. This study investigated whether OD affects the HPA axis and 5-HT system and, subsequently, produces depression-like behaviors in rats. Materials and methods: OD was produced by removing 0.5 and 0.25 mm of hard tissue from the cusps of the maxillary molars in randomly selected sides of Sprague−Dawley rats. CUS involved exposure to 2 different stressors per day for 35 days. OD-, CUS-, and OD + CUS-treated groups and an untreated control group were compared in terms of behavior, endocrine status and brain histology. Results: There were significant differences among the four groups in the behavior tests (p < 0.05), especially in the sucrose preference test, where there was a significant decrease in the OD group compared to the control group. ACTH and CORT concentrations were significantly higher in the OD + CUS group than the control group (p < 0.05). Expression of GR and 5-HT2AR in the PFC, amygdala and hippocampal CA1 was significantly higher in the OD, CUS and OD + CUS groups than the control group (p < 0.05). Conclusion: OD promotes depression-like behaviors through peripheral and central pathways via the HPA axis, GR and 5-HT system.
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Affiliation(s)
- Sihui Zhang
- School and Hospital of Stomatology, Fujian Medical University, Fuzhou 350004, China; (S.Z.); (L.W.); (M.Z.); (K.H.); (Y.L.)
- Fujian Key Laboratory of Oral Diseases, School and Hospital of Stomatology, Fujian Medical University, Fuzhou 350004, China; (X.W.); (S.L.)
| | - Ling Wu
- School and Hospital of Stomatology, Fujian Medical University, Fuzhou 350004, China; (S.Z.); (L.W.); (M.Z.); (K.H.); (Y.L.)
| | - Mi Zhang
- School and Hospital of Stomatology, Fujian Medical University, Fuzhou 350004, China; (S.Z.); (L.W.); (M.Z.); (K.H.); (Y.L.)
| | - Kaixun He
- School and Hospital of Stomatology, Fujian Medical University, Fuzhou 350004, China; (S.Z.); (L.W.); (M.Z.); (K.H.); (Y.L.)
| | - Xudong Wang
- Fujian Key Laboratory of Oral Diseases, School and Hospital of Stomatology, Fujian Medical University, Fuzhou 350004, China; (X.W.); (S.L.)
| | - Yuxuan Lin
- School and Hospital of Stomatology, Fujian Medical University, Fuzhou 350004, China; (S.Z.); (L.W.); (M.Z.); (K.H.); (Y.L.)
| | - Shuxian Li
- Fujian Key Laboratory of Oral Diseases, School and Hospital of Stomatology, Fujian Medical University, Fuzhou 350004, China; (X.W.); (S.L.)
| | - Jiang Chen
- School and Hospital of Stomatology, Fujian Medical University, Fuzhou 350004, China; (S.Z.); (L.W.); (M.Z.); (K.H.); (Y.L.)
- Fujian Key Laboratory of Oral Diseases, School and Hospital of Stomatology, Fujian Medical University, Fuzhou 350004, China; (X.W.); (S.L.)
- Correspondence:
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Zhang YY, Liu F, Lin J, Li YL, Fang ZH, Zhou C, Li CJ, Shen JF. Activation of the N-methyl-D-aspartate receptor contributes to orofacial neuropathic and inflammatory allodynia by facilitating calcium-calmodulin-dependent protein kinase II phosphorylation in mice. Brain Res Bull 2022; 185:174-192. [DOI: 10.1016/j.brainresbull.2022.05.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 02/28/2022] [Accepted: 05/04/2022] [Indexed: 12/17/2022]
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Fu M, Liu F, Zhang YY, Lin J, Huang CL, Li YL, Wang H, Zhou C, Li CJ, Shen JF. The α2δ-1-NMDAR1 interaction in the trigeminal ganglion contributes to orofacial ectopic pain following inferior alveolar nerve injury. Brain Res Bull 2021; 171:162-171. [PMID: 33811955 DOI: 10.1016/j.brainresbull.2021.03.019] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 03/21/2021] [Accepted: 03/25/2021] [Indexed: 02/05/2023]
Abstract
Orofacial ectopic pain can often arise following nerve injury. However, the exact mechanism responsible for orofacial ectopic pain induced by trigeminal nerve injury remains unknown. The α2δ-1 and glutamate N-methyl-d-aspartic acid receptor (NMDAR) interactions have been demonstrated to participate in neuropathic pain regulation in the spinal cord. In this study, a rat model of inferior alveolar nerve transection (IANX) was used to investigate the role of α2δ-1-NMDAR1 interaction in the trigeminal ganglion (TG) in regard to the regulation of orofacial ectopic pain. Western blot (WB) analysis indicated that α2δ-1 and NMDAR1 in the TG were substantially higher in IANX rats than they were in sham/naive rats. Additionally, immunofluorescence (IF) results revealed that α2δ-1 and NMDAR1 were co-expressed and distributed within neurons and activated satellite glial cells in the TG. Co-immunoprecipitation (Co-IP) results indicated that α2δ-1-NMDAR1 complex levels in the TG were higher in IANX rats than they were in sham rats. Furthermore, the results of behavioral tests demonstrated that intra-TG injection of gabapentin (α2δ-1 inhibitory ligand) or memantine hydrochloride (NMDAR antagonist) reversed the decrease in mechanical head-withdrawal threshold (HWT) in IANX rats. Moreover, inhibition of α2δ-1 by intra-TG administration of gabapentin suppressed the upregulation of the NMDAR1 protein, and the inhibition of NMDAR by intra-TG administration of memantine hydrochloride inhibited the increased expression of α2δ-1 protein induced by IANX. In conclusion, the physical and functional interaction between α2δ-1 and NMDAR1 is critical for the development of orofacial ectopic pain, indicating that α2δ-1, NMDAR1, and the α2δ-1-NMDAR1 complex may represent potential targets for the treatment of orofacial ectopic pain.
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Affiliation(s)
- Min Fu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China; Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Fei Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China; Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yan-Yan Zhang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China; Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jiu Lin
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China; Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Chao-Lan Huang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China; Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yue-Ling Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China; Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Hang Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China; Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Cheng Zhou
- Laboratory of Anesthesia and Critical Care Medicine, Translational Neuroscience Center, West China Hospital of Sichuan University, Chengdu, China
| | - Chun-Jie Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China; Department of Head and Neck Oncology, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jie-Fei Shen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China; Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China.
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11
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Nicot R, Barry F, Chijcheapaza-Flores H, Garcia-Fernandez MJ, Raoul G, Blanchemain N, Chai F. A Systematic Review of Rat Models With Temporomandibular Osteoarthritis Suitable for the Study of Emerging Prolonged Intra-Articular Drug Delivery Systems. J Oral Maxillofac Surg 2021; 79:1650-1671. [PMID: 33775650 DOI: 10.1016/j.joms.2021.02.034] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 02/20/2021] [Accepted: 02/22/2021] [Indexed: 11/29/2022]
Abstract
PURPOSE Development of minimally invasive therapies for temporomandibular joint osteoarthritis (TMJOA) has focused on drug intra-articular injections to avoid the systemic adverse effects experienced when these substances are administered orally. Therefore, we performed a systematic review to answer the question "Which method of induction of a TMJOA-related pain model in rats leads to prolonged painful symptoms, allowing the best assessment of a sustained drug delivery system?" MATERIALS AND METHODS Following the PRISMA guidelines, we searched MEDLINE for papers published from 1994 to July 2020 on a TMJ arthritis model using rats. We identified the means of pain induction and of nociception assessment. We assessed protocol bias using an adaptation of the QUADAS-2 tool. Animal selection, the reference standard method of pain assessment, applicability of a statistical assessment, and flow and timing were assessed. RESULTS Of the 59 full papers we reviewed, 41 performed no pain assessment after the first 7 days following induction of the TMJ-related pain model. We eventually identified 18 long-term TMJOA-related pain models. Pain was induced by injection of toxic substances, most commonly Freund's complete adjuvant (50 μg per 50 μl), formalin at various concentrations, or monosodium iodoacetate (0,5 mg per 50 μl), into the TMJ, or by physical methods. Few studies reported data on pain after 21 days of follow-up. Heterogeneity of induction methods, pain assessment methods, and flow and timing biases precluded a meta-analysis. CONCLUSIONS Given that pain is 1 of the main symptoms of TMJOA, experimental study protocols should include long-term pain assessment.
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Affiliation(s)
- Romain Nicot
- Associate Professor, Univ. Lille, CHU Lille, INSERM, Service de Chirurgie Maxillo-Faciale et Stomatologie, U1008 - Controlled Drug Delivery Systems and Biomaterials, Lille, France.
| | - Florent Barry
- Resident, Univ. Lille, CHU Lille, INSERM, Service de Chirurgie Maxillo-Faciale et Stomatologie, U1008 - Controlled Drug Delivery Systems and Biomaterials, Lille, France
| | - Henry Chijcheapaza-Flores
- Research Assistant, Univ. Lille, INSERM, CHU Lille, U1008 - Controlled Drug Delivery Systems and Biomaterials, Lille, France
| | - Maria José Garcia-Fernandez
- Associate Professor, Univ. Lille, INSERM, CHU Lille, U1008 - Controlled Drug Delivery Systems and Biomaterials, Lille, France
| | - Gwénaël Raoul
- Professor, Univ. Lille, CHU Lille, INSERM, Service de Chirurgie Maxillo-Faciale et Stomatologie, U1008 - Controlled Drug Delivery Systems and Biomaterials, Lille, France
| | - Nicolas Blanchemain
- Professor, Department Head, Univ. Lille, INSERM, CHU Lille, U1008 - Controlled Drug Delivery Systems and Biomaterials, Lille, France
| | - Feng Chai
- Research engineer, Univ. Lille, INSERM, CHU Lille, U1008 - Controlled Drug Delivery Systems and Biomaterials, Lille, France
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12
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Kido K, Katagiri N, Kawana H, Sugino S, Konno D, Suzuki J, Yamauchi M, Sanuki T. Effects of magnesium sulfate administration in attenuating chronic postsurgical pain in rats. Biochem Biophys Res Commun 2020; 534:395-400. [PMID: 33246558 DOI: 10.1016/j.bbrc.2020.11.069] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Accepted: 11/16/2020] [Indexed: 01/01/2023]
Abstract
Chronic postsurgical pain (CPSP) is a serious issue for many postoperative patients. Though there are numerous treatment options for the prevention of CPSP, none of them is optimal as the mechanisms of the transition from acute to chronic postoperative pain have not been elucidated. Ketamine and opioids have been administered for chronic postoperative pain treatment but induce severe adverse reactions and/or physical dependency. Here, we examined whether pre-administration of the nonselective N-methyl-d-aspartate (NMDA) receptor antagonist magnesium sulfate attenuates CPSP behavior and alters the expression of glutamate ionotropic receptor NMDA type subunit 1a (Grin1 mRNA) in a rat skin/muscle incision and retraction (SMIR) model. We assessed the effects of a single subcutaneous magnesium sulfate injection on nociceptive behaviors including guarding pain, mechanical hyperalgesia, and heat hypersensitivity in rats after SMIR surgery. We used reverse transcription-quantitative PCR (RT-qPCR) to evaluate Grin1 mRNA expression in the dorsal horn of the spinal cord on postoperative day 14. Compared with the vehicle, magnesium sulfate administration before SMIR surgery reduced mechanical hyperalgesia for 17 d Grin1 gene expression was significantly higher on the ipsilateral side than the contralateral side (P = 0.001) on postoperative day 14. The magnesium sulfate injection prevented Grin1 mRNA upregulation in the spinal cord dorsal horn. A single magnesium sulfate injection mitigated SMIR-induced mechanical hyperalgesia possibly by modulating Grin1 expression. Preoperative magnesium sulfate administration could prove to be a simple and safe CPSP treatment.
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Affiliation(s)
- Kanta Kido
- Department of Anesthesiology, Kanagawa Dental University Hospital, Yokosuka, Kanagawa, Japan.
| | - Norika Katagiri
- Department of Anesthesiology, Kanagawa Dental University Hospital, Yokosuka, Kanagawa, Japan
| | - Hiromasa Kawana
- Department of Oral and Maxillofacial Implantology, Kanagawa Dental University Hospital, Yokosuka, Kanagawa, Japan
| | - Shigekazu Sugino
- Department of Anesthesiology and Perioperative Medicine, Tohoku University School of Medicine, Sendai, Miyagi, Japan
| | - Daisuke Konno
- Department of Anesthesiology and Perioperative Medicine, Tohoku University School of Medicine, Sendai, Miyagi, Japan
| | - Jun Suzuki
- Department of Anesthesiology and Perioperative Medicine, Tohoku University School of Medicine, Sendai, Miyagi, Japan
| | - Masanori Yamauchi
- Department of Anesthesiology and Perioperative Medicine, Tohoku University School of Medicine, Sendai, Miyagi, Japan
| | - Takuro Sanuki
- Department of Anesthesiology, Kanagawa Dental University Hospital, Yokosuka, Kanagawa, Japan
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13
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Westlund KN, Lu Y, Zhang L, Pappas TC, Zhang WR, Taglialatela G, McIlwrath SL, McNearney TA. Tyrosine Kinase Inhibitors Reduce NMDA NR1 Subunit Expression, Nuclear Translocation, and Behavioral Pain Measures in Experimental Arthritis. Front Physiol 2020; 11:440. [PMID: 32536874 PMCID: PMC7267073 DOI: 10.3389/fphys.2020.00440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Accepted: 04/08/2020] [Indexed: 11/17/2022] Open
Abstract
In the lumbar spinal cord dorsal horn, release of afferent nerve glutamate activates the neurons that relay information about injury pain. Here, we examined the effects of protein tyrosine kinase (PTK) inhibition on NMDA receptor NR1 subunit protein expression and subcellular localization in an acute experimental arthritis model. PTK inhibitors genistein and lavendustin A reduced cellular histological translocation of NMDA NR1 in the spinal cord occurring after the inflammatory insult and the nociceptive behavioral responses to heat. The PTK inhibitors were administered into lumbar spinal cord by microdialysis, and secondary heat hyperalgesia was determined using the Hargreaves test. NMDA NR1 cellular protein expression and nuclear translocation were determined by immunocytochemical localization with light and electron microscopy, as well as with Western blot analysis utilizing both C- and N-terminal antibodies. Genistein and lavendustin A (but not inactive lavendustin B or diadzein) effectively reduced (i) pain related behavior, (ii) NMDA NR1 subunit expression increases in spinal cord, and (iii) the shift of NR1 from a cell membrane to a nuclear localization. Genistein pre-treatment reduced these events that occur in vivo within 4 h after inflammatory insult to the knee joint with kaolin and carrageenan (k/c). Cycloheximide reduced glutamate activated upregulation of NR1 content confirming synthesis of new protein in response to the inflammatory insult. In addition to this in vivo data, genistein or staurosporin inhibited upregulation of NMDA NR1 protein and nuclear translocation in vitro after treatment of human neuroblastoma clonal cell cultures (SH-SY5Y) with glutamate or NMDA (4 h). These studies provide evidence that inflammatory activation of peripheral nerves initiates increase in NMDA NR1 in the spinal cord coincident with development of pain related behaviors through glutamate non-receptor, PTK dependent cascades.
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Affiliation(s)
- Karin N Westlund
- Research Division, New Mexico VA Health Care System, Albuquerque, NM, United States.,Anesthesiology, University of New Mexico Health Sciences Center, Albuquerque, NM, United States.,Neuroscience and Cell Biology, University of Texas Medical Branch at Galveston, Galveston, TX, United States
| | - Ying Lu
- Neuroscience and Cell Biology, University of Texas Medical Branch at Galveston, Galveston, TX, United States
| | - Liping Zhang
- Neuroscience and Cell Biology, University of Texas Medical Branch at Galveston, Galveston, TX, United States
| | - Todd C Pappas
- Neuroscience and Cell Biology, University of Texas Medical Branch at Galveston, Galveston, TX, United States
| | - Wen-Ru Zhang
- Neuroscience and Cell Biology, University of Texas Medical Branch at Galveston, Galveston, TX, United States
| | - Giulio Taglialatela
- Neuroscience and Cell Biology, University of Texas Medical Branch at Galveston, Galveston, TX, United States.,Neurology, University of Texas Medical Branch at Galveston, Galveston, TX, United States
| | - Sabrina L McIlwrath
- Research Division, New Mexico VA Health Care System, Albuquerque, NM, United States
| | - Terry A McNearney
- Neuroscience and Cell Biology, University of Texas Medical Branch at Galveston, Galveston, TX, United States.,Microbiology and Immunology, University of Texas Medical Branch at Galveston, Galveston, TX, United States.,Internal Medicine, University of Texas Medical Branch at Galveston, Galveston, TX, United States
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14
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Li NQ, Tang Y, Huang ST, Liu XT, Zeng LP, Li H, Wan L. Modulation of NR1 receptor by CaMKIIα plays an important role in chronic itch development in mice. Brain Res Bull 2020; 158:66-76. [PMID: 32112850 DOI: 10.1016/j.brainresbull.2020.02.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Revised: 02/22/2020] [Accepted: 02/24/2020] [Indexed: 10/24/2022]
Abstract
Intractable scratching is the characteristic of chronic itch, which represents a great challenge in clinical practice. However, the mechanism underlying chronic itch development is largely unknown. In the present study, we investigated the role of NMDA receptor in acute itch and in development of chronic itch. A mouse model was developed by painting DNFB to induce allergic contact dermatitis (ACD). We found that the expression of pNR1, which is a subunit of NMDA receptor, was significantly increased in the dorsal root ganglion in the DNFB model. The DNFB-evoked spontaneous scratching was blocked by the NMDA antagonist D-AP-5, the calcium-calmodulin-dependent protein kinase (CaMK) inhibitor KN-93, a CaMKIIα siRNA and the PKC inhibitor LY317615. Moreover, activation of PKC did not reverse the CaMKIIα knockdown-induced decrease in scratching, suggesting that PKC functions upstream of CaMKIIα. Thus, our study indicates that modulation of NR1 receptor by CaMKIIα plays an important role in the development of chronic itch.
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Affiliation(s)
- Nan-Qi Li
- Department of Pain Management, The State Key Clinical Specialty in Pain Medicine, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510260, P.R. China
| | - Yang Tang
- Department of Pain Management, The State Key Clinical Specialty in Pain Medicine, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510260, P.R. China
| | - Si-Ting Huang
- Department of Pain Management, The State Key Clinical Specialty in Pain Medicine, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510260, P.R. China
| | - Xue-Ting Liu
- Guangdong Provincial Key Laboratory of Allergy & Clinic Immunology, Sino-French Hoffmann Institute, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510260, P.R. China
| | - Li-Ping Zeng
- Guangdong Provincial Key Laboratory of Allergy & Clinic Immunology, Sino-French Hoffmann Institute, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510260, P.R. China
| | - Hui Li
- Department of Anatomy, Histology and Embryology & K. K. Leung Brain Research Centre, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Li Wan
- Department of Pain Management, The State Key Clinical Specialty in Pain Medicine, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510260, P.R. China.
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15
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Does diet play a role in reducing nociception related to inflammation and chronic pain? Nutrition 2019; 66:153-165. [DOI: 10.1016/j.nut.2019.04.007] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Revised: 03/22/2019] [Accepted: 04/01/2019] [Indexed: 02/07/2023]
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16
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Sheldon SA, Aleman M, Costa LRR, Weich K, Howey Q, Madigan JE. Effects of magnesium with or without boron on headshaking behavior in horses with trigeminal-mediated headshaking. J Vet Intern Med 2019; 33:1464-1472. [PMID: 30990929 PMCID: PMC6524471 DOI: 10.1111/jvim.15499] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Accepted: 04/03/2019] [Indexed: 12/25/2022] Open
Abstract
Background Oral administration of magnesium and boron might have a beneficial effect on headshaking behavior in horses. Objective Evaluate the effects of oral magnesium alone or in combination with boron on headshaking behavior in affected horses. Animals Twelve geldings (6 healthy controls and 6 affected). Methods Prospective randomized controlled dietary trial over 42 days in 12 horses (6 horses diagnosed with trigeminal‐mediated headshaking and 6 unaffected healthy controls). All horses received a hay diet and were randomized into 3 treatment groups: pelleted feed combination (PF), pelleted feed combination with magnesium (M), and pelleted feed combination with magnesium‐boron (MB) with a week washout of hay only between treatments. Headshaking behavior and biochemical blood variables were assessed at baseline (hay only) and then after each week of supplementation. Results All 3 diet interventions increased blood ionized and total magnesium. Groups M and MB further increased Mg2+ when compared to PF. Horses receiving treatments had a significant reduction in headshaking behavior, as measured by incidence rate ratio (IRR), when compared to unsupplemented hay diet (44% for PF, IRR, 0.558; CI, 0.44, 0.72; P < .001; 52% for M, IRR, 0.476; CI, 0.37, 0.62; P < .001; and 64% for MB, IRR, 0.358; CI, 0.27, 0.48; P < .001). Conclusions and Clinical Importance Magnesium in combination with boron had the greatest decrease in headshaking. Oral supplementation with magnesium or magnesium in combination with boron should be considered in horses affected with headshaking.
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Affiliation(s)
- Shara A Sheldon
- Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis, California
| | - Monica Aleman
- Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis, California
| | - Lais R R Costa
- Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis, California
| | - Kalie Weich
- Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis, California
| | - Quinn Howey
- Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis, California
| | - John E Madigan
- Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis, California
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17
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Li X, Liu H, Yang Y. Magnesium sulfate attenuates brain edema by lowering AQP4 expression and inhibits glia-mediated neuroinflammation in a rodent model of eclampsia. Behav Brain Res 2017; 364:403-412. [PMID: 29288747 DOI: 10.1016/j.bbr.2017.12.031] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2017] [Revised: 12/23/2017] [Accepted: 12/26/2017] [Indexed: 12/26/2022]
Abstract
Eclampsia is characterized by high morbidity and mortality wordwide. Magnesium sulfate (MgSO4) is used frequently as a prophylaxis for eclamptic seizure in clinical settings. However, the underlying mechanism is less studied, we have previously demonstrated that MgSO4 pretreatment decreases eclampsia-like seizure threshold. Here, we further evaluated the hypothesis that MgSO4 exert neuroprotective actions in eclampsia-like rats model by ameliorating neuroinflammation and brain edema. In this study, the eclampsia-like model was established by administering lipopolysaccharide plus pentylenetetrazol in pregnant Sprague-Dawley rats. Rats were given MgSO4 from gestation day14-19. Then, Iba-1 (a marker for microglia) and S100-B (a marker for astrocytes) expression levels in the hippocampus CA3 region were detected by Enzyme-linked immunosorbent assay. Cerebrospinal fluid (CSF) levels of inflammatory cytokines were measured by Luminex assays. Aquaporin-4 (a transmembrane water channel protein) expression levels in cortex were analyzed using immunohistochemistry. Astrocyte and microglia expressions were detected by immunofluorescence, neuronal damage were evaluated by Nissl staining, and changes in neuronal number in the hippocampal CA3 region (CA3) among different groups were detected by neuronal nuclei staining. Our results demonstrated that MgSO4 effectively attenuated astrocyte and microglia activation and promoted the neuronal survival in the CA3. Additionally, MgSO4 significantly reduced inflammatory cytokines response in the CSF, and decreased the expression of AQP-4 protein in the cortex. Collectively, the findings of this study indicated that MgSO4 has a neuroprotective role in eclampsia-like seizure rats through its anti-neuroninflammatory and brain edema-attenuating properties.
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Affiliation(s)
- Xiaolan Li
- Department of Obstetrics and Gynaecology, The First Affiliated Hospital of Anhui Medical University, Hefei, China; Department of Obstetrics, Guangzhou Women and Children's Medical Center, China; Anhui Province Key Laboratory of Reproductive Health and Genetics, Anhui Medical University, Hefei, China
| | - Huishu Liu
- Department of Obstetrics, Guangzhou Women and Children's Medical Center, China
| | - Yuanyuan Yang
- Department of Obstetrics and Gynaecology, The First Affiliated Hospital of Anhui Medical University, Hefei, China; Anhui Province Key Laboratory of Reproductive Health and Genetics, Anhui Medical University, Hefei, China.
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18
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Wang J, Qiao Y, Yang RS, Zhang CK, Wu HH, Lin JJ, Zhang T, Chen T, Li YQ, Dong YL, Li JL. The synergistic effect of treatment with triptolide and MK-801 in the rat neuropathic pain model. Mol Pain 2017; 13:1744806917746564. [PMID: 29166839 PMCID: PMC5734437 DOI: 10.1177/1744806917746564] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Triptolide (T10), an active component of Tripterygium wilfordii Hook F, is reported to have potent anti-inflammatory and analgesic effects. Additionally, MK-801, a noncompetitive N-methyl-D-aspartate receptor antagonist, can reduce glutamate toxicity and has a significant analgesic effect on chronic pain. In this study, we tested the possible synergistic analgesic ability by intrathecal administration of T10 and MK-801 for the treatment of neuropathic pain. Single T10 (3, 10, or 30 µg/kg), MK-801 (10, 30, or 90 µg/kg), or a combination of them were intrathecally administrated in rats with spinal nerve ligation. We found that single administration of T10 caused a slow-acting but long-term analgesic effect, while single administration of MK-801 caused a fast-acting but short-term effect. Administration of their combination showed obviously synergic analgesia and the 1:3 ratio of T10 to MK-801 reached the peak effect. Furthermore, application of T10 and/or MK-801 significantly inhibited the activation of microglia and astrocyte and phosphorylation of STAT3 and NR2B in the spinal dorsal horn induced by chronic neuropathic pain. Our data suggest that the combination of T10 and MK-801 may be a potentially novel strategy for treatment of neuropathic pain.
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Affiliation(s)
- Jian Wang
- 1 Department of Anatomy and K. K. Leung Brain Research Centre, Fourth Military Medical University, Xi'an, China.,2 Student Brigade, Fourth Military Medical University, Xi'an, China
| | - Yu Qiao
- 1 Department of Anatomy and K. K. Leung Brain Research Centre, Fourth Military Medical University, Xi'an, China.,2 Student Brigade, Fourth Military Medical University, Xi'an, China
| | - Ri-Sheng Yang
- 1 Department of Anatomy and K. K. Leung Brain Research Centre, Fourth Military Medical University, Xi'an, China.,2 Student Brigade, Fourth Military Medical University, Xi'an, China
| | - Chun-Kui Zhang
- 1 Department of Anatomy and K. K. Leung Brain Research Centre, Fourth Military Medical University, Xi'an, China
| | - Huang-Hui Wu
- 1 Department of Anatomy and K. K. Leung Brain Research Centre, Fourth Military Medical University, Xi'an, China.,3 Department of Anesthesiology, Fuzhou General Hospital of Nanjing Military Region, Fuzhou, China
| | - Jia-Ji Lin
- 1 Department of Anatomy and K. K. Leung Brain Research Centre, Fourth Military Medical University, Xi'an, China.,4 Department of Neurology, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Ting Zhang
- 1 Department of Anatomy and K. K. Leung Brain Research Centre, Fourth Military Medical University, Xi'an, China
| | - Tao Chen
- 1 Department of Anatomy and K. K. Leung Brain Research Centre, Fourth Military Medical University, Xi'an, China
| | - Yun-Qing Li
- 1 Department of Anatomy and K. K. Leung Brain Research Centre, Fourth Military Medical University, Xi'an, China.,5 Collaborative Innovation Center for Brain Science, Fudan University, Shanghai, China
| | - Yu-Lin Dong
- 1 Department of Anatomy and K. K. Leung Brain Research Centre, Fourth Military Medical University, Xi'an, China
| | - Jin-Lian Li
- 1 Department of Anatomy and K. K. Leung Brain Research Centre, Fourth Military Medical University, Xi'an, China
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19
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Srebro DP, Vučković SM, Dožić IS, Dožić BS, Savić Vujović KR, Milovanović AP, Karadžić BV, Prostran MŠ. Magnesium sulfate reduces formalin-induced orofacial pain in rats with normal magnesium serum levels. Pharmacol Rep 2017; 70:81-86. [PMID: 29331791 DOI: 10.1016/j.pharep.2017.08.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2017] [Revised: 08/01/2017] [Accepted: 08/17/2017] [Indexed: 12/24/2022]
Abstract
BACKGROUND In humans, orofacial pain has a high prevalence and is often difficult to treat. Magnesium is an essential element in biological a system which controls the activity of many ion channels, neurotransmitters and enzymes. Magnesium produces an antinociceptive effect in neuropathic pain, while in inflammatory pain results are not consistent. We examined the effects of magnesium sulfate using the rat orofacial formalin test, a model of trigeminal pain. METHODS Male Wistar rats were injected with 1.5% formalin into the perinasal area, and the total time spent in pain-related behavior (face rubbing) was quantified. We also spectrophotometrically determined the concentration of magnesium and creatine kinase activity in blood serum. RESULTS Magnesium sulfate administered subcutaneously (0.005-45mg/kg) produced significant antinociception in the second phase of the orofacial formalin test in rats at physiological serum concentration of magnesium. The effect was not dose-dependent. The maximum antinociceptive effect of magnesium sulfate was about 50% and was achieved at doses of 15 and 45mg/kg. Magnesium did not affect increase the levels of serum creatine kinase activity. CONCLUSIONS Preemptive systemic administration of magnesium sulfate as the only drug can be used to prevent inflammatory pain in the orofacial region. Its analgesic effect is not associated with magnesium deficiency.
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Affiliation(s)
- Dragana P Srebro
- Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Belgrade, Belgrade, Serbia.
| | - Sonja M Vučković
- Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Ivan S Dožić
- Department of Biochemistry, School of Dental Medicine, University of Belgrade, Belgrade, Serbia
| | - Branko S Dožić
- Department of Pathology, School of Dental Medicine, University of Belgrade, Belgrade, Serbia
| | - Katarina R Savić Vujović
- Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Aleksandar P Milovanović
- Institute of Occupational Health "Dr Dragomir Karajovic", Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Branislav V Karadžić
- Department of Conservative Dentistry and Endodontics, School of Dental Medicine, University of Belgrade, Belgrade, Serbia
| | - Milica Š Prostran
- Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
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de Araújo JCB, Gondim DV, Cavalcante ALC, Lisboa MRP, de Castro Brito GA, Vale ML. Inflammatory pain assessment in the arthritis of the temporomandibular joint in rats: A comparison between two phlogistic agents. J Pharmacol Toxicol Methods 2017; 88:100-108. [PMID: 28797764 DOI: 10.1016/j.vascn.2017.08.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2017] [Revised: 07/21/2017] [Accepted: 08/05/2017] [Indexed: 12/01/2022]
Abstract
Temporomandibular joint (TMJ) disorders are a group of conditions that result in TMJ pain, which frequently limits basic daily activities. Experimental models that allow the study of the mechanisms underlying these inflammatory and pain conditions are of great clinical relevance. The aim of this study was to evaluate nociception, inflammation and participation of the macrophage/microglia cells in the arthritis of the TMJ induced by two phlogistic agents. 84 rats were divided into 2 groups: Zy, which received zymosan intra-articularly, or Cg, which received carrageenan intra-articularly. Mechanical nociception, total leukocyte influx to the synovial fluid and histopathological analyses were evaluated in the TMJ. The participation of macrophage/microglia located in trigeminal ganglia (TG) and in the subnucleus caudalis (V-SnC) was assessed immunohistochemically. Both agents induced mechanical hyperalgesia 6h after the induction, but a more persistent algesic state was perceived in the Cg group, which lasted for 120h. Even though both groups presented increased leukocyte influx, the Zy-group presented a more intense influx. Zymosan recruited resident macrophage in the trigeminal ganglia 24h after the injection. In the V-SnC, the group Cg presented a more prolonged immunolabeling pattern in comparison with the group Zy. It can be concluded that zymosan induced a more intense infiltrate and peripheral nervous changes, while Cg lead to a moderate TMJ inflammation with prominent changes in the V-SnC.
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Affiliation(s)
| | - Delane Viana Gondim
- Morphofunctional Sciences Post Graduation Program, Department of Morphology, Federal University of Ceará, Brazil
| | - André Luiz Cunha Cavalcante
- Medical Sciences Post Graduation Program, Department of Clinical Medicine, Federal University of Ceará, Brazil
| | - Mario Roberto Pontes Lisboa
- Morphofunctional Sciences Post Graduation Program, Department of Morphology, Federal University of Ceará, Brazil
| | - Gerly Anne de Castro Brito
- Morphofunctional Sciences Post Graduation Program, Department of Morphology, Federal University of Ceará, Brazil
| | - Mariana Lima Vale
- Pharmacology Post Graduation Program, Department of Physiology and Pharmacology, Federal University of Ceará, Brazil; Morphofunctional Sciences Post Graduation Program, Department of Morphology, Federal University of Ceará, Brazil.
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Bagüés A, Martín‐Fontelles MI, Esteban‐Hernández J, Sánchez‐Robles EM. Characterization of the nociceptive effect of carrageenan: Masseter versus gastrocnemius. Muscle Nerve 2017; 56:804-813. [DOI: 10.1002/mus.25538] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2016] [Revised: 12/16/2016] [Accepted: 12/21/2016] [Indexed: 12/20/2022]
Affiliation(s)
- Ana Bagüés
- Área de Farmacología y Nutrición, Unidad asociada I+D+i al Instituto de Química Médica, Grupo de excelencia investigadora URJC–Banco de Santander–Grupo Multidisciplinar de Investigación y Tratamiento del Dolor (i+DOL)Alcorcón Madrid Spain
| | - M. Isabel Martín‐Fontelles
- Área de Farmacología y Nutrición, Unidad asociada I+D+i al Instituto de Química Médica, Grupo de excelencia investigadora URJC–Banco de Santander–Grupo Multidisciplinar de Investigación y Tratamiento del Dolor (i+DOL)Alcorcón Madrid Spain
| | - Jesús Esteban‐Hernández
- Área de Medicina Preventiva y Salud Pública, Facultad de Ciencias de la Salud. Universidad Rey Juan CarlosAlcorcón Madrid Spain
| | - Eva M. Sánchez‐Robles
- Área de Farmacología y Nutrición, Unidad asociada I+D+i al Instituto de Química Médica, Grupo de excelencia investigadora URJC–Banco de Santander–Grupo Multidisciplinar de Investigación y Tratamiento del Dolor (i+DOL)Alcorcón Madrid Spain
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Bujalska-Zadrożny M, Tatarkiewicz J, Kulik K, Filip M, Naruszewicz M. Magnesium enhances opioid-induced analgesia – What we have learnt in the past decades? Eur J Pharm Sci 2017; 99:113-127. [DOI: 10.1016/j.ejps.2016.11.020] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2016] [Revised: 11/15/2016] [Accepted: 11/19/2016] [Indexed: 02/07/2023]
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Li Y, Yue J, Yang C. Unraveling the role of Mg(++) in osteoarthritis. Life Sci 2016; 147:24-9. [PMID: 26800786 DOI: 10.1016/j.lfs.2016.01.029] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Revised: 01/03/2016] [Accepted: 01/18/2016] [Indexed: 12/29/2022]
Abstract
Mg(++) is widely involved in human physiological processes that may play key roles in the generation and progression of diseases. Osteoarthritis (OA) is a complex joint disorder characterized by articular cartilage degradation, abnormal mineralization and inflammation. Magnesium deficiency is considered to be a major risk factor for OA development and progression. Magnesium deficiency is active in several pathways that have been implicated in OA, including increased inflammatory mediators, cartilage damage, defective chondrocyte biosynthesis, aberrant calcification and a weakened effect of analgesics. Abundant in vitro and in vivo evidence in animal models now suggests that the nutritional supplementation or local infiltration of Mg(++) represent effective therapies for OA. The goal of this review is to summarize the current understanding of the role of Mg(++) in OA with particular emphasis on the related molecular mechanisms involved in OA progression.
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Affiliation(s)
- Yaqiang Li
- Department of Orthopedics, Shanghai Tenth People's Hospital, Tenth People's Hospital of Tongji University, Shanghai, China; School of medicine, Tongji University, Shanghai, China
| | - Jiaji Yue
- Department of Orthopedics, Shanghai Tenth People's Hospital, Tenth People's Hospital of Tongji University, Shanghai, China; School of medicine, Tongji University, Shanghai, China
| | - Chunxi Yang
- Department of Orthopedics, Shanghai Tenth People's Hospital, Tenth People's Hospital of Tongji University, Shanghai, China; School of medicine, Tongji University, Shanghai, China.
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24
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de Oliveira FFB, de Araújo JCB, Pereira AF, Brito GAC, Gondim DV, Ribeiro RDA, de Menezes IRA, Vale ML. Antinociceptive and anti-inflammatory effects of Caryocar coriaceum Wittm fruit pulp fixed ethyl acetate extract on zymosan-induced arthritis in rats. JOURNAL OF ETHNOPHARMACOLOGY 2015; 174:452-463. [PMID: 26341615 DOI: 10.1016/j.jep.2015.08.017] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2015] [Revised: 07/14/2015] [Accepted: 08/18/2015] [Indexed: 06/05/2023]
Abstract
The ethyl acetate extract from the fruit pulp of Caryocar coriaceum Wittm (Caryocaraceae), popularly known as pequi, has wide applications in popular medicine. Preclinical tests have demonstrated the therapeutic properties of the oil. We investigated the antinociceptive and anti-inflammatory effects of Pequi C. coriaceum Wittm ethyl acetate extract (PCCO) on zymosan-induced arthritis in rat knee joint. The animals were pretreated with PCCO for 7 consecutive days or with a single dose. Paw elevation time (PET), leukocyte infiltration, myeloperoxidase activity (MPO) and cytokine levels were assessed 4h after zymosan injection. Synovial tissue was harvested for immunohistochemical analysis, edema and vascular permeability. We observed a significant decrease in PET with PCCO pretreatment. PCCO showed a significant reduction of leukocyte migration and a decrease in MPO. Decreases were observed in cytokine release in the synovial fluid and TNF-α and cyclooxygenase-1 immunostaining in synovial tissue. Edema was inhibited by treatment with all doses of PCCO. The data suggest that PCCO exerts antinociceptive and anti-inflammatory effects on arthritis in rats.
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Affiliation(s)
- Francisco Fábio Bezerra de Oliveira
- Programa de Pós-Graduação em Farmacologia, Departamento de Fisiologia e Farmacologia, Faculdade de Medicina, Universidade Federal do Ceará, Laboratório de Farmacologia da Inflamação e do Câncer, Fortaleza, CE, Brazil
| | - Joana Cláudia Bezerra de Araújo
- Programa de Pós-Graduação em Farmacologia, Departamento de Fisiologia e Farmacologia, Faculdade de Medicina, Universidade Federal do Ceará, Laboratório de Farmacologia da Inflamação e do Câncer, Fortaleza, CE, Brazil
| | - Anamaria Falcão Pereira
- Programa de Pós-Graduação em Farmacologia, Departamento de Fisiologia e Farmacologia, Faculdade de Medicina, Universidade Federal do Ceará, Laboratório de Farmacologia da Inflamação e do Câncer, Fortaleza, CE, Brazil
| | - Gerly Anne Castro Brito
- Programa de Pós-Graduação em Farmacologia, Departamento de Fisiologia e Farmacologia, Faculdade de Medicina, Universidade Federal do Ceará, Laboratório de Farmacologia da Inflamação e do Câncer, Fortaleza, CE, Brazil; Programa de Pós-Graduação em Ciências Morfofuncionais, Departamento de Morfologia, Faculdade de Medicina, Universidade Federal do Ceará, Fortaleza, CE, Brazil
| | - Delane Viana Gondim
- Programa de Pós-Graduação em Ciências Morfofuncionais, Departamento de Morfologia, Faculdade de Medicina, Universidade Federal do Ceará, Fortaleza, CE, Brazil
| | - Ronaldo de Albuquerque Ribeiro
- Programa de Pós-Graduação em Farmacologia, Departamento de Fisiologia e Farmacologia, Faculdade de Medicina, Universidade Federal do Ceará, Laboratório de Farmacologia da Inflamação e do Câncer, Fortaleza, CE, Brazil
| | - Irwin Rose Alencar de Menezes
- Programa de Pós-Graduação em Bioprospecção Molecular, Departamento de Química Biológica, Universidade Regional do Cariri, Laboratório de Farmacologia e Química Molecular, Crato, CE, Brazil
| | - Mariana Lima Vale
- Programa de Pós-Graduação em Farmacologia, Departamento de Fisiologia e Farmacologia, Faculdade de Medicina, Universidade Federal do Ceará, Laboratório de Farmacologia da Inflamação e do Câncer, Fortaleza, CE, Brazil; Programa de Pós-Graduação em Ciências Morfofuncionais, Departamento de Morfologia, Faculdade de Medicina, Universidade Federal do Ceará, Fortaleza, CE, Brazil.
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