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Wei D, Birla H, Dou Y, Mei Y, Huo X, Whitehead V, Osei-Owusu P, Feske S, Patafio G, Tao Y, Hu H. PGE2 Potentiates Orai1-Mediated Calcium Entry Contributing to Peripheral Sensitization. J Neurosci 2024; 44:e0329232023. [PMID: 37952941 PMCID: PMC10851687 DOI: 10.1523/jneurosci.0329-23.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 08/09/2023] [Accepted: 08/29/2023] [Indexed: 11/14/2023] Open
Abstract
Peripheral sensitization is one of the primary mechanisms underlying the pathogenesis of chronic pain. However, candidate molecules involved in peripheral sensitization remain incompletely understood. We have shown that store-operated calcium channels (SOCs) are expressed in the dorsal root ganglion (DRG) neurons. Whether SOCs contribute to peripheral sensitization associated with chronic inflammatory pain is elusive. Here we report that global or conditional deletion of Orai1 attenuates Complete Freund's adjuvant (CFA)-induced pain hypersensitivity in both male and female mice. To further establish the role of Orai1 in inflammatory pain, we performed calcium imaging and patch-clamp recordings in wild-type (WT) and Orai1 knockout (KO) DRG neurons. We found that SOC function was significantly enhanced in WT but not in Orai1 KO DRG neurons from CFA- and carrageenan-injected mice. Interestingly, the Orai1 protein level in L3/4 DRGs was not altered under inflammatory conditions. To understand how Orai1 is modulated under inflammatory pain conditions, prostaglandin E2 (PGE2) was used to sensitize DRG neurons. PGE2-induced increase in neuronal excitability and pain hypersensitivity was significantly reduced in Orai1 KO mice. PGE2-induced potentiation of SOC entry (SOCE) was observed in WT, but not in Orai1 KO DRG neurons. This effect was attenuated by a PGE2 receptor 1 (EP1) antagonist and mimicked by an EP1 agonist. Inhibition of Gq/11, PKC, or ERK abolished PGE2-induced SOCE increase, indicating PGE2-induced SOCE enhancement is mediated by EP1-mediated downstream cascade. These findings demonstrate that Orai1 plays an important role in peripheral sensitization. Our study also provides new insight into molecular mechanisms underlying PGE2-induced modulation of inflammatory pain.Significance Statement Store-operated calcium channel (SOC) Orai1 is expressed and functional in dorsal root ganglion (DRG) neurons. Whether Orai1 contributes to peripheral sensitization is unclear. The present study demonstrates that Orai1-mediated SOC function is enhanced in DRG neurons under inflammatory conditions. Global and conditional deletion of Orai1 attenuates complete Freund's adjuvant (CFA)-induced pain hypersensitivity. We also demonstrate that prostaglandin E2 (PGE2) potentiates SOC function in DRG neurons through EP1-mediated signaling pathway. Importantly, we have found that Orai1 deficiency diminishes PGE2-induced SOC function increase and reduces PGE2-induced increase in neuronal excitability and pain hypersensitivity. These findings suggest that Orai1 plays an important role in peripheral sensitization associated with inflammatory pain. Our study reveals a novel mechanism underlying PGE2/EP1-induced peripheral sensitization. Orai1 may serve as a potential target for pathological pain.
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Affiliation(s)
- Dongyu Wei
- Department of Pharmacology and Physiology, Drexel University College of Medicine, Philadelphia, Pennsylvania 19102
| | - Hareram Birla
- Department of Anesthesiology, Rutgers New Jersey Medical School Newark, Newark, New Jersey 07103
| | - Yannong Dou
- Department of Pharmacology and Physiology, Drexel University College of Medicine, Philadelphia, Pennsylvania 19102
| | - Yixiao Mei
- Department of Pharmacology and Physiology, Drexel University College of Medicine, Philadelphia, Pennsylvania 19102
| | - Xiaodong Huo
- Department of Anesthesiology, Rutgers New Jersey Medical School Newark, Newark, New Jersey 07103
| | - Victoria Whitehead
- Department of Anesthesiology, Rutgers New Jersey Medical School Newark, Newark, New Jersey 07103
| | - Patrick Osei-Owusu
- Department of Anesthesiology, Rutgers New Jersey Medical School Newark, Newark, New Jersey 07103
| | - Stefan Feske
- Department of Pathology, NYU Grossman School of Medicine, New York, New York 10016
| | - Giovanna Patafio
- Department of Anesthesiology, Rutgers New Jersey Medical School Newark, Newark, New Jersey 07103
| | - Yuanxiang Tao
- Department of Anesthesiology, Rutgers New Jersey Medical School Newark, Newark, New Jersey 07103
| | - Huijuan Hu
- Department of Pharmacology and Physiology, Drexel University College of Medicine, Philadelphia, Pennsylvania 19102
- Department of Anesthesiology, Rutgers New Jersey Medical School Newark, Newark, New Jersey 07103
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Koo S, Sohn HS, Kim TH, Yang S, Jang SY, Ye S, Choi B, Kim SH, Park KS, Shin HM, Park OK, Kim C, Kang M, Soh M, Yoo J, Kim D, Lee N, Kim BS, Jung Y, Hyeon T. Ceria-vesicle nanohybrid therapeutic for modulation of innate and adaptive immunity in a collagen-induced arthritis model. Nat Nanotechnol 2023; 18:1502-1514. [PMID: 37884660 DOI: 10.1038/s41565-023-01523-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Accepted: 09/07/2023] [Indexed: 10/28/2023]
Abstract
Commencing with the breakdown of immune tolerance, multiple pathogenic factors, including synovial inflammation and harmful cytokines, are conjointly involved in the progression of rheumatoid arthritis. Intervening to mitigate some of these factors can bring a short-term therapeutic effect, but other unresolved factors will continue to aggravate the disease. Here we developed a ceria nanoparticle-immobilized mesenchymal stem cell nanovesicle hybrid system to address multiple factors in rheumatoid arthritis. Each component of this nanohybrid works individually and also synergistically, resulting in comprehensive treatment. Alleviation of inflammation and modulation of the tissue environment into an immunotolerant-favourable state are combined to recover the immune system by bridging innate and adaptive immunity. The therapy is shown to successfully treat and prevent rheumatoid arthritis by relieving the main symptoms and also by restoring the immune system through the induction of regulatory T cells in a mouse model of collagen-induced arthritis.
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Affiliation(s)
- Sagang Koo
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, Republic of Korea
- School of Chemical and Biological Engineering, and Institute of Chemical Processes, Seoul National University, Seoul, Republic of Korea
| | - Hee Su Sohn
- School of Chemical and Biological Engineering, and Institute of Chemical Processes, Seoul National University, Seoul, Republic of Korea
| | - Tae Hee Kim
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea
- Department of Fusion Research and Collaboration, Biomedical Research Institute, Seoul National University Hospital, Seoul, Republic of Korea
| | - Siyeon Yang
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea
- Animal Research Laboratory, Institute Pasteur Korea, Seongnam, Republic of Korea
| | - Se Youn Jang
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea
- Department of Dentistry, Graduate School, Kyung Hee University, Seoul, Korea
| | - Seongryeol Ye
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea
- Program in Nanoscience and Technology, Graduate School of Convergence Science and Technology, Seoul National University, Seoul, Republic of Korea
| | - Boomin Choi
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, Republic of Korea
| | - Soo Hyeon Kim
- Wide River Institute of Immunology, Seoul National University, Hongcheon, Republic of Korea
| | - Kyoung Sun Park
- Wide River Institute of Immunology, Seoul National University, Hongcheon, Republic of Korea
| | - Hyun Mu Shin
- Wide River Institute of Immunology, Seoul National University, Hongcheon, Republic of Korea
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Republic of Korea
- BK21 FOUR Biomedical Science Project, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Ok Kyu Park
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, Republic of Korea
| | - Cheesue Kim
- School of Chemical and Biological Engineering, and Institute of Chemical Processes, Seoul National University, Seoul, Republic of Korea
| | - Mikyung Kang
- Center for Systems Biology, Massachusetts General Hospital Research Institute, Boston, MA, USA
- Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Min Soh
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, Republic of Korea
| | - Jin Yoo
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea
| | - Dokyoon Kim
- Department of Bionano Engineering and Bionanotechnology, Hanyang University, Ansan, Republic of Korea
| | - Nohyun Lee
- School of Advanced Materials Engineering, Kookmin University, Seoul, Republic of Korea
| | - Byung-Soo Kim
- School of Chemical and Biological Engineering, and Institute of Chemical Processes, Seoul National University, Seoul, Republic of Korea.
- Interdisciplinary Program for Bioengineering, Institute of Engineering Research, Seoul National University, Seoul, Republic of Korea.
| | - Youngmee Jung
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea.
- School of Electrical and Electronic Engineering, YU-KIST Institute, Yonsei University, Seoul, Republic of Korea.
| | - Taeghwan Hyeon
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, Republic of Korea.
- School of Chemical and Biological Engineering, and Institute of Chemical Processes, Seoul National University, Seoul, Republic of Korea.
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3
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Wang W, Wang Q, Huang J, Li H, Li F, Li X, Liu R, Xu M, Chen J, Mao Y, Ma L. Store-operated calcium entry mediates hyperalgesic responses during neuropathy. FEBS Open Bio 2023; 13:2020-2034. [PMID: 37606998 PMCID: PMC10626277 DOI: 10.1002/2211-5463.13699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 08/10/2023] [Accepted: 08/21/2023] [Indexed: 08/23/2023] Open
Abstract
Neuropathic pain (NP), resulting from nerve injury, alters neural plasticity in spinal cord and brain via the release of inflammatory mediators. The remodeling of store-operated calcium entry (SOCE) involves the refilling of calcium in the endoplasmic reticulum via STIM1 and Orai1 proteins and is crucial for maintaining neural plasticity and neurotransmitter release. The mechanism underlying SOCE-mediated NP remains largely unknown. In this study, we found SOCE-mediated calcium refilling was significantly higher during neuropathic pain, and the major component Orai1 was specifically co-localized with neuronal markers. Intrathecal injection of SOCE antagonist SKF96365 remarkably alleviated nerve injury- and formalin-induced pain and suppressed c-Fos expression in response to innocuous mechanical stimulation. RNA sequencing revealed that SKF96365 altered the expression of spinal transcription factors, including Fos, Junb, and Socs3, during neuropathic pain. In order to identify the genes critical for SKF96365-induced effects, we performed weighted gene co-expression network analysis (WGCNA) to identify the genes most correlated with paw withdrawal latency phenotypes. Of the 16 modules, MEsalmon module was the most highly correlated with SKF96365 induced effects. Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis showed that the enriched genes of MEsalmon module were significantly related to Toll-like receptor signaling, steroid biosynthesis, and chemokine signaling, which may mediate the analgesic effect caused by SKF9636 treatment. Additionally, the SOCE antagonist YM-58483 produced similar analgesic effects in nerve injury- and formalin-induced pain. Our results suggest that manipulation of spinal SOCE signaling might be a promising target for pain relief by regulating neurotransmitter production and spinal transcription factor expression.
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Affiliation(s)
- Wei Wang
- Shanghai Mental Health CenterShanghai Jiao Tong University School of MedicineShanghaiChina
- Shanghai Key Laboratory of Psychotic DisordersChina
| | - Qiru Wang
- Department of PharmacyFudan University Shanghai Cancer Center, Minhang BranchShanghaiChina
| | - Jinlu Huang
- Department of PharmacyShanghai Jiao Tong University Affiliated Sixth People's HospitalChina
| | - Hong Li
- Shanghai Mental Health CenterShanghai Jiao Tong University School of MedicineShanghaiChina
| | - Fangjie Li
- Shanghai Mental Health CenterShanghai Jiao Tong University School of MedicineShanghaiChina
| | - Xue Li
- Department of Laboratory MedicineChanghai HospitalShanghaiChina
| | - Ruimei Liu
- Shanghai Mental Health CenterShanghai Jiao Tong University School of MedicineShanghaiChina
| | - Ming Xu
- Department of Digital and Cosmetic Dentistry, School & Hospital of StomatologyTongji UniversityShanghaiChina
| | - Jinghong Chen
- Shanghai Mental Health CenterShanghai Jiao Tong University School of MedicineShanghaiChina
- Shanghai Key Laboratory of Psychotic DisordersChina
| | - Yemeng Mao
- Shanghai Mental Health CenterShanghai Jiao Tong University School of MedicineShanghaiChina
- Shanghai Key Laboratory of Psychotic DisordersChina
| | - Le Ma
- Shanghai Mental Health CenterShanghai Jiao Tong University School of MedicineShanghaiChina
- Shanghai Key Laboratory of Psychotic DisordersChina
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Shankaranarayanan D, Mantri M, Lagman M, Li C, Sharma VK, Muthukumar T, Xiang JZ, De Vlaminck I, Machaca K, Suthanthiran M. Selective modulation of gene expression in activated normal human peripheral blood mononuclear cells by store-operated calcium entry blocker BTP2. Res Sq 2023:rs.3.rs-2618144. [PMID: 36993646 PMCID: PMC10055512 DOI: 10.21203/rs.3.rs-2618144/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/23/2023]
Abstract
Calcium is a critical signaling molecule in many cell types including immune cells. The calcium-release activated calcium channels (CRAC) responsible for store-operated calcium entry (SOCE) in immune cells are gated by STIM family members functioning as sensors of Ca2+ store content in the endoplasmic reticulum. We investigated the effect of SOCE blocker BTP2 on human peripheral blood mononuclear cells (PBMC) stimulated with the mitogen phytohemagglutinin (PHA). We performed RNA sequencing (RNA-seq) to query gene expression at the whole transcriptome level and identified genes differentially expressed between PBMC activated with PHA and PBMC activated with PHA in the presence of BTP2. Among the differentially expressed genes, we prioritized genes encoding immunoregulatory proteins for validation using preamplification enhanced real time quantitative PCR assays. We performed multiparameter flow cytometry and validated by single cell analysis that BTP2 inhibits cell surface expression CD25 at the protein level. BTP2 reduced significantly PHA-induced increase in the abundance of mRNAs encoding proinflammatory proteins. Surprisingly, BTP2 did not reduce significantly PHA-induced increase in the abundance of mRNAs encoding anti-inflammatory proteins. Collectively, the molecular signature elicited by BTP2 in activated normal human PBMC appears to be tipped towards tolerance and away from inflammation.
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Affiliation(s)
- Divya Shankaranarayanan
- Division of Nephrology and Hypertension, Department of Medicine, NewYork-Presbyterian-Weill Cornell Medicine
| | - Madhav Mantri
- Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University
| | - Mila Lagman
- Division of Nephrology and Hypertension, Department of Medicine, NewYork-Presbyterian-Weill Cornell Medicine
| | - Carol Li
- Division of Nephrology and Hypertension, Department of Medicine, NewYork-Presbyterian-Weill Cornell Medicine
| | - Vijay K Sharma
- Division of Nephrology and Hypertension, Department of Medicine, NewYork-Presbyterian-Weill Cornell Medicine
| | - Thangamani Muthukumar
- Division of Nephrology and Hypertension, Department of Medicine, NewYork-Presbyterian-Weill Cornell Medicine
| | - Jenny Z Xiang
- Genomics Resources Core Facility, Department of Microbiology and Immunology, Weill Cornell Medical College
| | - Iwijn De Vlaminck
- Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University
| | - Khaled Machaca
- Department of Physiology and Biophysics, Weill Cornell Medicine
| | - Manikkam Suthanthiran
- Division of Nephrology and Hypertension, Department of Medicine, NewYork-Presbyterian-Weill Cornell Medicine
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5
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Zaizar-fregoso SA, Paz-michel BA, Rodriguez-hernandez A, Paz-garcia J, Aurelien-cabezas NS, Tiburcio-jimenez D, Melnikov V, Murillo-zamora E, Delgado-enciso OG, Cabrera-licona A, Guzman-esquivel J, Barajas-saucedo CE, Rodriguez-sanchez IP, Martinez-fierro ML, Moy-lópez NA, Lara-esqueda A, Guzman-muñiz J, Delgado-machuca M, Delgado-enciso I. Systemic Administration of Neutral Electrolyzed Saline as a Novel Treatment for Rheumatoid Arthritis Reduces Mechanical and Inflammatory Damage to the Joints: Preclinical Evaluation in Mice. Evidence-Based Complementary and Alternative Medicine 2022; 2022:1-8. [PMID: 35692576 PMCID: PMC9184204 DOI: 10.1155/2022/1717614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 04/22/2022] [Accepted: 04/28/2022] [Indexed: 11/18/2022]
Abstract
Rheumatoid arthritis is globally present in about 1% of the population. This autoinflammatory disease modifies the connective tissue, causing pain and inflammation of the joints. Over time, it causes the loss of joint cartilage and bone mass, decreasing the patient's quality of life. Treatment options now available either give symptomatic alleviation or alter the disease process. Nonetheless, adherence to chronic treatment is typically limited due to adverse effects. As a result, new therapy approaches, such as systemic administration of neutral electrolyzed saline to improve patients' quality of life, are being investigated. The study is a randomized prospective preclinical trial with a single-blind and a 4-arm parallel group using a collagen-induced mice model to generate rheumatoid arthritis. It was carried out on 36 male BALB/c mice, with the primary outcome measure being a scoring system for histopathologic assessment. When all groups are compared, there are significant differences. In addition, the animal model was validated by the healthy group. The animals treated with neutral electrolyzed saline had much less cartilage degradation, bone erosion, pannus development, and inflammation than the placebo-treated mice. Serum IL-6 levels were evaluated in parallel with disease severity expressed as synovitis grading of the affected joints. Spearman's rank correlation coefficient (Rs) = 0.399 (P=0.016) between serum IL-6 levels and the synovitis grading suggests a direct correlation between IL-6 production and disease severity. An additional trial of 20 male BALB/c mice (10 treated with placebo and 10 with neutral electrolyzed saline for 30 days) showed no clinical nor histopathological evidence of adverse effects. According to histopathological and blood test results, we conclude that neutral electrolyzed saline minimizes mechanical and inflammatory damage to the joint and may be helpful as an alternative to rheumatoid arthritis therapy.
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Xia J, Dou Y, Mei Y, Munoz FM, Gao R, Gao X, Li D, Osei-Owusu P, Schiffenhaus J, Bekker A, Tao YX, Hu H. Orai1 is a crucial downstream partner of group I metabotropic glutamate receptor signaling in dorsal horn neurons. Pain 2022; 163:652-664. [PMID: 34252911 PMCID: PMC8741882 DOI: 10.1097/j.pain.0000000000002396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Accepted: 06/18/2021] [Indexed: 11/25/2022]
Abstract
ABSTRACT Group I metabotropic glutamate receptors (group I mGluRs) have been implicated in several central nervous system diseases including chronic pain. It is known that activation of group I mGluRs results in the production of inositol triphosphate (IP3) and diacylglycerol that leads to activation of extracellular signal-regulated kinases (ERKs) and an increase in neuronal excitability, but how group I mGluRs mediate this process remains unclear. We previously reported that Orai1 is responsible for store-operated calcium entry and plays a key role in central sensitization. However, how Orai1 is activated under physiological conditions is unknown. Here, we tested the hypothesis that group I mGluRs recruit Orai1 as part of its downstream signaling pathway in dorsal horn neurons. We demonstrate that neurotransmitter glutamate induces STIM1 puncta formation, which is not mediated by N-Methyl-D-aspartate (NMDA) or α-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptors. Glutamate-induced Ca2+ entry in the presence of NMDA or AMPA receptor antagonists is eliminated in Orai1-deficient neurons. Dihydroxyphenylglycine (DHPG) (an agonist of group I mGluRs)-induced Ca2+ entry is abolished by Orai1 deficiency, but not affected by knocking down of transient receptor potential cation channel 1 (TRPC1) or TRPC3. Dihydroxyphenylglycine-induced activation of ERKs and modulation of neuronal excitability are abolished in cultured Orai1-deficient neurons. Moreover, DHPG-induced nociceptive behavior is markedly reduced in Orai1-deficient mice. Our findings reveal previously unknown functional coupling between Orai1 and group I mGluRs and shed light on the mechanism underlying group I mGluRs-mediated neuronal plasticity.
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Affiliation(s)
- Jingsheng Xia
- Department of Pharmacology and Physiology, Drexel University College of Medicine, Philadelphia, PA 19102
| | - Yannong Dou
- Department of Pharmacology and Physiology, Drexel University College of Medicine, Philadelphia, PA 19102
| | - Yixiao Mei
- Department of Anesthesiology, Rutgers New Jersey Medical School, Newark, NJ 07103
| | - Frances M. Munoz
- Department of Pharmacology and Physiology, Drexel University College of Medicine, Philadelphia, PA 19102
| | - Ruby Gao
- Department of Pharmacology and Physiology, Drexel University College of Medicine, Philadelphia, PA 19102
| | - Xinghua Gao
- Department of Pharmacology and Physiology, Drexel University College of Medicine, Philadelphia, PA 19102
| | - Daling Li
- Department of Anesthesiology, Rutgers New Jersey Medical School, Newark, NJ 07103
| | - Patrick Osei-Owusu
- Department of Pharmacology and Physiology, Drexel University College of Medicine, Philadelphia, PA 19102
| | - James Schiffenhaus
- Department of Anesthesiology, Rutgers New Jersey Medical School, Newark, NJ 07103
| | - Alex Bekker
- Department of Anesthesiology, Rutgers New Jersey Medical School, Newark, NJ 07103
| | - Yuan-Xiang Tao
- Department of Anesthesiology, Rutgers New Jersey Medical School, Newark, NJ 07103
| | - Huijuan Hu
- Department of Anesthesiology, Rutgers New Jersey Medical School, Newark, NJ 07103
- Department of Pharmacology and Physiology, Drexel University College of Medicine, Philadelphia, PA 19102
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Zhou Z, Mao M, Cai X, Zhu W, Sun J. Store-Operated Calcium Channels Contribute to Remifentanil-Induced Postoperative Hyperalgesia via Phosphorylation of CaMKIIα in Rats. J Pain Res 2021; 14:3289-3299. [PMID: 34703304 PMCID: PMC8536888 DOI: 10.2147/jpr.s333297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 09/24/2021] [Indexed: 11/30/2022] Open
Abstract
Purpose The mechanisms of remifentanil-induced postoperative hyperalgesia (RIPH) remain unclear. Store-operated calcium channels (SOCCs) are mainly comprised of stromal interaction molecules 1 (STIM1) and pore-forming subunits (Orai1). They were found to take a pivotal part in Ca2+-dependent procedures and involved in the development of central sensitization and pain. Ca2+/calmodulin-dependent protein kinase IIα (CaMKIIα), regulated by Ca2+/calmodulin complex, has been shown to have a crucial role in RIPH. This study aims to determine whether SOCCs contribute to RIPH via activating CaMKIIα. Materials and Methods Intra-operative infusion of remifentanil (1.0 µg kg−1 min−1, 60 min) was used to establish a RIPH rat model. The SOCCs blocker (YM-58483) was applied intrathecally to confirm the results. Animal behavioral tests including paw withdrawal thermal latency (PWTL) and paw withdrawal mechanical threshold (PWMT) were performed at −24, 2, 6, 24, 48 h after incision and remifentanil treatments. The protein expression of STIM1, Orai1, CaMKIIα, and p-CaMKIIα was assayed with Western blot, and the number of STIM1 and Orai1 positive cells was shown by immunofluorescence. Results Remifentanil administration significantly induced postoperative mechanical and thermal hyperalgesia, as well as increased STIM1 and Orai1 protein expression in the spinal dorsal horn. Furthermore, the intrathecal administration of YM-58483 effectively alleviated remifentanil-induced postoperative mechanical and thermal hyperalgesia according to the behavioral tests. In addition, YM-58483 suppressed the phosphorylation of CaMKIIα but had no effect on the expression of STIM1 and Orai1. Conclusion Our study demonstrated that SOCCs are involved in RIPH. The over-expressed STIM1 and Orai1 in the spinal cord contribute to RIPH via mediating the phosphorylation of CaMKIIα. Blockade of SOCCs may provide an effective therapeutic approach for RIPH.
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Affiliation(s)
- Zhenhui Zhou
- Department of Anesthesiology and Perioperative Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Meng Mao
- Department of Anesthesiology, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Xuechun Cai
- Department of Anesthesiology and Perioperative Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Wei Zhu
- Department of Anesthesiology and Perioperative Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Jie Sun
- Department of Anesthesiology, Zhongda Hospital, Medical School, Southeast University, Nanjing, Jiangsu, People's Republic of China
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Khan AU, Khan A, Khan A, Shal B, Aziz A, Ahmed MN, Islam SU, Ali H, Shehzad A, Khan S. Inhibition of NF-κB signaling and HSP70/HSP90 proteins by newly synthesized hydrazide derivatives in arthritis model. Naunyn Schmiedebergs Arch Pharmacol 2021; 394:1497-1519. [PMID: 33713158 DOI: 10.1007/s00210-021-02075-5] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Accepted: 03/01/2021] [Indexed: 01/02/2023]
Abstract
In the current study, the N-benzylidene-4-((2-hydroxynaphthalene-1-yl) diazenyl) hydrazides (NCHDH and NTHDH) were evaluated against the Carrageenan- and CFA-induced models. During the preliminary investigation, the NCHDH and NTHDH treatment showed marked anti-inflammatory and analgesic activity against the Carrageenan-induced acute model. Once the anti-inflammatory activity was established against acute Carrageenan model, the NCHDH and NTHDH were evaluated against the chronic CFA-induced arthritis model. The NCHDH and NTHDH treatment markedly attenuated the inflammatory and analgesic parameters compared to CFA-treated group. Furthermore, the increase in the oxidative stress and attenuation of antioxidant enzymes has been reported following CFA administration. However, NCHDH and NTHDH treatment significantly induced the antioxidants and attenuated the oxidative stress markers. The CFA administration showed marked tailing of DNA; however, the NCHDH- and NTHDH-treated group preserved DNA integrity. Furthermore, the histological studies showed marked alteration in the CFA-treated group; however, the NCHDH and NTHDH treatment markedly improved the histological features. The Western blot, immunohistology, and ELISA assay revealed marked increase in the Nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB), Jun N-terminal Kinase (JNK), TNF-α, and COX-2 levels; however, the NCHDH and NTHDH attenuated their expressions significantly. Similarly, the NCHDH and NTHDH significantly induced the mRNA expression levels of heat shock proteins. The computational analysis showed significant binding interaction with various protein targets via multiple hydrogens, and hydrophobic bonds. The in vivo pharmacokinetic study was also performed to assess the various pharmacokinetic parameters. In conclusion, the NCHDH and NTHDH treatment showed significant anti-arthritic activity against Carrageenan and CFA models.
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Affiliation(s)
- Ashraf Ullah Khan
- Pharmacological Sciences Research Lab, Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Amna Khan
- Pharmacological Sciences Research Lab, Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Adnan Khan
- Pharmacological Sciences Research Lab, Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Bushra Shal
- Pharmacological Sciences Research Lab, Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Abdul Aziz
- Department of Chemistry, The University of Azad Jammu and Kashmir, Muzaffarabad, 13100, Pakistan
| | - Muhammad Naeem Ahmed
- Department of Chemistry, The University of Azad Jammu and Kashmir, Muzaffarabad, 13100, Pakistan
| | - Salman Ul Islam
- School of Life Sciences, College of Natural Sciences, Kyungpook National University, Daegu, South Korea
| | - Hussain Ali
- Pharmacological Sciences Research Lab, Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Adeeb Shehzad
- Department of Biomedical Engineering & Sciences, School of Mechanical and Manufacturing Engineering (SMME), National University of Sciences & Technology (NUST), Islamabad, Pakistan
| | - Salman Khan
- Pharmacological Sciences Research Lab, Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan.
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Xiong H, Luo M, Ju Y, Zhao Z, Zhang M, Xu R, Ren Y, Yang G, Mei Z. Triterpene saponins from Guo-gang-long attenuate collagen-induced arthritis via regulating A20 and inhibiting MAPK pathway. J Ethnopharmacol 2021; 269:113707. [PMID: 33358855 DOI: 10.1016/j.jep.2020.113707] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 12/09/2020] [Accepted: 12/15/2020] [Indexed: 05/14/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The stems of Entada phaseoloides (L.) Merr commonly named "Guo-gang-long", is a traditional Chinese folk medicine that has been used clinically in China for the treatment of arthritis. Our previous study described that triterpene saponins isolated from "Guo-gang-long" could inhibit the inflammatory response. However, the potential mechanism of "Guo-gang-long" on treatment of arthritis, and whether the triterpene saponins responsible for its anti-arthritic effect are unclear. AIM To investigate the function and mechanisms of the triterpene saponins from E. phaseoloides (ES) in collagen-induced arthritis (CIA) rats. MATERIALS AND METHODS The chemical components of ES were analyzed by HPLC. Anti-arthritic activity of ES was investigated in CIA rats, which was established by immunization with bovine type II collagen. Three doses of ES (25, 50 and 100 mg/kg) were administrated using oral gavage to CIA rats daily for 3 weeks. The anti-arthritic activity of ES was evaluated by clinical arthritis scoring, paw swelling and mechanical sensitivity, as well as histological changes in CIA rats. The impacts of ES on the regulation of the ubiquintin-editing enzyme A20 and MAPK signaling pathway, and production of pro-inflammatory cytokines in CIA rats were examined by Western blot, quantitative real-time PCR, ELISA, and immunohistochemical staining, respectively. RESULTS ES treatment relieved the paw swelling, hyperalgesia and joint destruction, and prevented the progression of arthritis in CIA rats. Meanwhile, ES suppressed the excessive mRNA levels and protein expression of TNF-α and IL-17 in synovial tissues and hind paw joints, and reduced the production of IL-1β, TNF-α and IL-17 in serum. Furthermore, ES up-regulated A20 and suppressed the phosphorylation of p38 and ERK1/2 in hind paw joints, as well as inhibiting the activation of spinal p38 in CIA rats. CONCLUSION ES could relieve rheumatic symptoms and prevent the development of rheumatoid arthritis. The effects of ES may be mediated by reducing proinflammatory cytokine levels, up-regulating A20 expression, reducing p38 and ERK1/2 activation in periphery, and inhibiting of phospho-p38 in spinal cord.
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Affiliation(s)
- Hui Xiong
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan, 430074, China
| | - Miao Luo
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan, 430074, China
| | - Yankun Ju
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan, 430074, China
| | - Zhongqiu Zhao
- Center for the Study of Itch, Department of Anesthesiology, Washington University School of Medicine, St. Louis, MO, 63110, USA; Barnes-Jewish Hospital, St. Louis, MO, 63110, USA
| | - Man Zhang
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan, 430074, China
| | - Ran Xu
- College of Biology and Pharmaceutical Engineering, Wuhan Polytechnic University, Wuhan, 430023, China
| | - Yongshen Ren
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan, 430074, China
| | - Guangzhong Yang
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan, 430074, China
| | - Zhinan Mei
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan, 430074, China.
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10
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Zhang I, Hu H. Store-Operated Calcium Channels in Physiological and Pathological States of the Nervous System. Front Cell Neurosci 2020; 14:600758. [PMID: 33328896 PMCID: PMC7732603 DOI: 10.3389/fncel.2020.600758] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 11/03/2020] [Indexed: 12/13/2022] Open
Abstract
Store-operated calcium channels (SOCs) are widely expressed in excitatory and non-excitatory cells where they mediate significant store-operated calcium entry (SOCE), an important pathway for calcium signaling throughout the body. While the activity of SOCs has been well studied in non-excitable cells, attention has turned to their role in neurons and glia in recent years. In particular, the role of SOCs in the nervous system has been extensively investigated, with links to their dysregulation found in a wide variety of neurological diseases from Alzheimer’s disease (AD) to pain. In this review, we provide an overview of their molecular components, expression, and physiological role in the nervous system and describe how the dysregulation of those roles could potentially lead to various neurological disorders. Although further studies are still needed to understand how SOCs are activated under physiological conditions and how they are linked to pathological states, growing evidence indicates that SOCs are important players in neurological disorders and could be potential new targets for therapies. While the role of SOCE in the nervous system continues to be multifaceted and controversial, the study of SOCs provides a potentially fruitful avenue into better understanding the nervous system and its pathologies.
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Affiliation(s)
- Isis Zhang
- Department of Anesthesiology, Rutgers New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, United States
| | - Huijuan Hu
- Department of Anesthesiology, Rutgers New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, United States
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Cao Y, Fan D, Yin Y. Pain Mechanism in Rheumatoid Arthritis: From Cytokines to Central Sensitization. Mediators Inflamm 2020; 2020:2076328. [PMID: 33005097 DOI: 10.1155/2020/2076328] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 08/13/2020] [Accepted: 08/26/2020] [Indexed: 12/14/2022] Open
Abstract
Pain is the most common symptom in patients with rheumatoid arthritis (RA). Although in recent years, through the implementation of targeted treatment and the introduction of disease-modifying antirheumatic drugs (DMARDs), the treatment of RA patients has made a significant progress, a large proportion of patients still feel pain. Finding appropriate treatment to alleviate the pain is very important for RA patients. Current research showed that, in addition to inflammation, RA pain involves peripheral sensitization and abnormalities in the central nervous system (CNS) pain regulatory mechanisms. This review summarized the literature on pain mechanisms of RA published in recent years. A better understanding of pain mechanisms will help to develop new analgesic targets and deploy new and existing therapies.
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12
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Yousuf MS, Maguire AD, Simmen T, Kerr BJ. Endoplasmic reticulum-mitochondria interplay in chronic pain: The calcium connection. Mol Pain 2020; 16:1744806920946889. [PMID: 32787562 PMCID: PMC7427143 DOI: 10.1177/1744806920946889] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Accepted: 06/26/2020] [Indexed: 12/14/2022] Open
Abstract
Chronic pain is a debilitating condition that affects roughly a third to a half of the world's population. Despite its substantial effect on society, treatment for chronic pain is modest, at best, notwithstanding its side effects. Hence, novel therapeutics are direly needed. Emerging evidence suggests that calcium plays an integral role in mediating neuronal plasticity that underlies sensitization observed in chronic pain states. The endoplasmic reticulum and the mitochondria are the largest calcium repositories in a cell. Here, we review how stressors, like accumulation of misfolded proteins and oxidative stress, influence endoplasmic reticulum and mitochondria function and contribute to chronic pain. We further examine the shuttling of calcium across the mitochondrial-associated membrane as a mechanism of cross-talk between the endoplasmic reticulum and the mitochondria. In addition, we discuss how endoplasmic reticulum stress, mitochondrial impairment, and calcium dyshomeostasis are implicated in various models of neuropathic pain. We propose a novel framework of endoplasmic reticulum-mitochondria signaling in mediating pain hypersensitivity. These observations require further investigation in order to develop novel therapies for chronic pain.
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Affiliation(s)
- Muhammad Saad Yousuf
- Neuroscience and Mental Health Institute, University of Alberta, Edmonton, Canada
| | - Aislinn D Maguire
- Neuroscience and Mental Health Institute, University of Alberta, Edmonton, Canada
| | - Thomas Simmen
- Department of Cell Biology, University of Alberta, Edmonton, Canada
| | - Bradley J Kerr
- Neuroscience and Mental Health Institute, University of Alberta, Edmonton, Canada
- Department of Pharmacology, University of Alberta, Edmonton, Canada
- Department of Anesthesiology and Pain Medicine, University of Alberta, Edmonton, Canada
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13
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Oto Y, Takahashi Y, Kurosaka D, Kato F. Alterations of voluntary behavior in the course of disease progress and pharmacotherapy in mice with collagen-induced arthritis. Arthritis Res Ther 2019; 21:284. [PMID: 31831067 PMCID: PMC6909634 DOI: 10.1186/s13075-019-2071-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2019] [Accepted: 11/26/2019] [Indexed: 02/07/2023] Open
Abstract
Background Rheumatoid arthritis (RA) is an autoimmune disease characterized by chronic synovitis and bone destruction at the joints, causing pain and motor disturbance. Despite the better control of inflammation and joint deformity afforded by modern disease-modifying anti-rheumatic drugs, many patients with RA remain dissatisfied with their treatment, primarily because of sensory-emotional distress. Pre-clinical tests that can evaluate not only the symptoms of arthritis but also the associated pain as sensory-emotional experience are urgently needed. Methods Here, we introduce two types of novel methods for evaluation of voluntary behavior in a commonly used model of RA (collagen-induced arthritis; CIA) in male mice. First, spontaneous motor activity was assessed with a running wheel placed in home cages and the number of rotations was continuously recorded in a 12:12-h light environment. Second, temperature preference was assessed by measuring the time spent in either of the floor plates with augmenting (25 to 49 °C) or fixed temperature (25 °C). We also evaluated the effects of tofacitinib on CIA-associated changes in voluntary wheel running and temperature preference. Results We detected a significant decrease in voluntary wheel running, a significant shift in the distribution of movement in the dark phase, and a significant increase in the time spent in warmer environments than the room temperature in the mice with CIA. These alterations in voluntary behavior have never been described with conventional methods. We also revealed tofacitinib-resistant significant changes in the voluntary behavior and choice of temperature despite significant mitigation of the symptoms of arthritis. Conclusions We described for the first time significant alterations of the voluntary behavior of the mice with CIA during the clinical periods, indicating that the overall physical/motivational states and its circadian variation, as well as the specific preference to a certain environmental temperature, are modified in the mice with CIA, as observed in human patients. Some of these did not parallel with the conventional arthritis scores, particularly during the pharmacotherapy suggesting that mice with CIA show not only the peripheral symptoms but also the central consequences. The use of these approaches would also help clarify the biological mechanisms underlying physician-patient discordance in the assessment of RA.
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Affiliation(s)
- Yohsuke Oto
- Division of Rheumatology, Department of Internal Medicine, Jikei University School of Medicine, 3-25-8 Nishi-shimbashi, Minato-ku, Tokyo, Japan. .,Department of Neuroscience, Jikei University School of Medicine, 3-25-8 Nishi-shimbashi, Minato-ku, Tokyo, Japan. .,Center for Neuroscience of Pain, Jikei University School of Medicine, Minato-ku, Tokyo, Japan.
| | - Yukari Takahashi
- Department of Neuroscience, Jikei University School of Medicine, 3-25-8 Nishi-shimbashi, Minato-ku, Tokyo, Japan.,Center for Neuroscience of Pain, Jikei University School of Medicine, Minato-ku, Tokyo, Japan
| | - Daitaro Kurosaka
- Division of Rheumatology, Department of Internal Medicine, Jikei University School of Medicine, 3-25-8 Nishi-shimbashi, Minato-ku, Tokyo, Japan
| | - Fusao Kato
- Department of Neuroscience, Jikei University School of Medicine, 3-25-8 Nishi-shimbashi, Minato-ku, Tokyo, Japan.,Center for Neuroscience of Pain, Jikei University School of Medicine, Minato-ku, Tokyo, Japan
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14
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Mausset-Bonnefont AL, Cren M, Vicente R, Quentin J, Jorgensen C, Apparailly F, Louis-Plence P. Arthritis sensory and motor scale: predicting functional deficits from the clinical score in collagen-induced arthritis. Arthritis Res Ther 2019; 21:264. [PMID: 31801618 PMCID: PMC6894222 DOI: 10.1186/s13075-019-2047-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Accepted: 10/31/2019] [Indexed: 01/08/2023] Open
Abstract
Background In the collagen-induced arthritis (CIA) mouse model, inflammation readouts are usually quantified using operator-dependent clinical scoring systems, and no systematic relationship with functional deficits has been detected. In this study, we extensively quantified sensory and motor deficits in CIA mice during natural disease progression and therapeutic treatment. Then, we used these data to build a scale to predict functional deficits on the basis of the classical clinical score. Methods Using the CIA mouse model, we longitudinally screened multiple approaches to assess locomotion (open field test, Catwalk™), sensitivity (Von Frey, Hargreaves, static weight-bearing tests), and inflammation (skin temperature), and identified the most accurate tests to correlate sensory and motor deficits with disease severity, measured by clinical score. We then used these tests to characterize functional deficits in control (naïve and mice injected with complete Freund’s adjuvant) and CIA mice, either untreated or treated with methotrexate to prevent functional deficits. By mathematical approaches, we finally investigated the relationship between functional deficits and clinical score. Results We found that the functional disability scores obtained with the open field, Catwalk™, Hargreaves, and skin temperature tests significantly correlated with the clinical score in CIA mice, either untreated or treated with methotrexate. Mathematical correlation showed that motor deficits, robustly characterized by two different tests, were twice more responsive than thermal sensitivity deficits. Conclusion We propose the arthritis sensory and motor (ArthriSM) scale as a new theranostic tool to predict motor and sensory deficit based on the clinical score, in the experimental mouse model of CIA. This ArthriSM scale may facilitate the transfer of knowledge between preclinical and clinical studies.
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Affiliation(s)
| | - Maïlys Cren
- IRMB, University of Montpellier, INSERM, Montpellier, France
| | - Rita Vicente
- IRMB, University of Montpellier, INSERM, Montpellier, France
| | - Julie Quentin
- IRMB, University of Montpellier, INSERM, Montpellier, France
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16
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Xiong H, Ding X, Wang H, Jiang H, Wu X, Tu C, Wu C, Pi Y, Yang G, Zhao Z, Mei Z. Tibetan medicine Kuan-Jin-Teng exerts anti-arthritic effects on collagen-induced arthritis rats via inhibition the production of pro-inflammatory cytokines and down-regulation of MAPK signaling pathway. Phytomedicine 2019; 57:271-281. [PMID: 30802713 DOI: 10.1016/j.phymed.2018.12.023] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 12/12/2018] [Accepted: 12/16/2018] [Indexed: 06/09/2023]
Abstract
BACKGROUND The stems of Tinospora sinensis (Lour.) Merr commonly named "Kuan-Jin-Teng" in Chinese, have been used to treat rheumatoid arthritis as a Tibetan medicine. PURPOSE The effects of the EtOAc fraction of ethanolic extract from the stems of T. sinensis (KJT) on the pro-inflammatory cytokines and MAPK pathway were studied in collagen-induced arthritis (CIA) model. STUDY DESIGN Anti-arthritic activity of KJT was investigated in CIA model. METHODS The chemical constituents of KJT were analyzed by LC-MS and HPLC. The CIA model was established with injecting the bovine CII emulsified in Freund's adjuvant in Wistar rats. Several doses of KJT (50.0, 100.0 and 200.0 mg/kg) were administrated via oral gavage to CIA rats daily for 4 weeks. The anti-arthritic activity of KJT was investigated by clinical arthritis scoring, paw swelling inspection and hyperalgesia measurement, as well as radiological and histological analysis in CIA rats. The impacts of KJT on the activation of MAPK pathway, production of pro-inflammatory cytokines (TNF-α, IL-1β and IL-17) in ankle joints, serum, and spleen in CIA rats were examined by western blot, immunohistochemical staining, ELISA, and quantitative real-time PCR respectively. Lastly, the effects of KJT on production of the nitric oxide (NO) and pro-inflammatory cytokines as well as the regulation of the phosphorylation of p38 and Erk were detected in lipopolysaccharide (LPS)-stimulated RAW264.7 murine macrophage cells. RESULTS KJT significantly alleviated the paw swelling, hyperalgesia and arthritic severity, and reduced the synovial tissue proliferation and inflammatory cell infiltration in the CIA rats. Moreover, KJT suppressed the production of TNF-α, IL-1β, and IL-17 in ankle joints, serum, and spleen and reversed the up-regulation of the phosphorylation of p38 and Erk in CIA rats. KJT was also demonstrated to inhibit the production of NO and pro-inflammatory cytokines (TNF-α, IL-1β and IL-6), and phosphorylation of p38 and Erk in LPS-stimulated RAW264.7 cells. CONCLUSION These results suggest the mechanisms of KJT performing its anti-arthritis effect may be attributed to inhibiting the production of pro-inflammatory cytokines and down-regulating the MAPK signaling pathway.
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Affiliation(s)
- Hui Xiong
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan 430074, China
| | - Xin Ding
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan 430074, China
| | - Hua Wang
- School of Life Sciences, South-Central University for Nationalities, Wuhan 430074, China
| | - Haiqin Jiang
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan 430074, China
| | - Xinyan Wu
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan 430074, China
| | - Chuyue Tu
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan 430074, China
| | - Chaoqun Wu
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan 430074, China
| | - Yang Pi
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan 430074, China
| | - Guangzhong Yang
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan 430074, China
| | - Zhongqiu Zhao
- Center for the Study of Itch, Department of Anesthesiology, Washington University School of Medicine, St. Louis, MO 63110, United States; Barnes-Jewish Hospital, St. Louis, MO 63110, United States
| | - Zhinan Mei
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan 430074, China.
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Song X, Liu Y, Dong L, Wang Y. Stromal-Interacting Molecule 1 (Stim1)/Orai1 Modulates Endothelial Permeability in Ventilator-Induced Lung Injury. Med Sci Monit 2018; 24:9413-9423. [PMID: 30589833 PMCID: PMC6322368 DOI: 10.12659/msm.911268] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Background Increased endothelial permeability is involved in ventilator-induced lung injury (VILI). Stim1/Orai1 mediates store-operated Ca2+ activation, which modulates endothelial permeability. However, the underlying mechanisms of the Stim1/Orai1 pathway in VILI are poorly understood. Material/Methods Wistar rats were exposed to low tidal volume (7 mL/kg) or high tidal volume (40 mL/kg) ventilation. Human Lung Microvascular Endothelial Cells (HULEC) were subjected to 8% or 18% cyclic stretching (CS). BTP2 pretreatment was performed. Lung wet/dry weight ratio, histological changes of lung injury, and bronchoalveolar lavage fluid (BALF) protein were measured. Endothelial permeability and intracellular calcium concentration were evaluated in HULECs. Protein expression was determined by Western blotting. Results High tidal volume mechanical ventilation-induced lung injury (such as severe congestion and hemorrhage) and BTP2 pretreatment protected lungs from injury. The expression of Stim1, Orai1, and PKCα, lung wet/dry weight ratio, and BALF protein level significantly increased in the high tidal volume group compared to the control group and low tidal volume group. Importantly, BTP2 pretreatment alleviated the above-mentioned effects. Compared with exposure to 8% CS, the protein levels of Stim1, Orai1, and PKCα in HULECs significantly increased after exposure to 18% CS for 4 h, whereas BTP2 pretreatment significantly inhibited the increase (P<0.05). BTP2 pretreatment also suppressed increase of endothelial permeability and the intracellular calcium induced by 18% CS (P<0.05). Conclusions When exposed to high tidal volume or large-magnitude CS, Stim1 and Orai1 expression are upregulated, which further activates calcium-sensitive PKCα and results in calcium overload, endothelial hyperpermeability, and, finally, lung injury.
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Affiliation(s)
- Xiumei Song
- Department of Anesthesiology, Qianfoshan Hospital, Shandong University, Jinan, Shandong, China (mainland)
| | - Yang Liu
- Department of Anesthesiology, Qianfoshan Hospital, Shandong University, Jinan, Shandong, China (mainland)
| | - Ling Dong
- Department of Anesthesiology, Qianfoshan Hospital, Shandong University, Jinan, Shandong, China (mainland)
| | - Yuelan Wang
- Department of Anesthesiology, Qianfoshan Hospital, Shandong University, Jinan, Shandong, China (mainland)
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Janczi T, Böhm BB, Fehrl Y, DeGiacomo P, Kinne RW, Burkhardt H. ADAM15 in Apoptosis Resistance of Synovial Fibroblasts: Converting Fas/CD95 Death Signals Into the Activation of Prosurvival Pathways by Calmodulin Recruitment. Arthritis Rheumatol 2018; 71:63-72. [PMID: 30003689 DOI: 10.1002/art.40667] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Accepted: 07/10/2018] [Indexed: 01/24/2023]
Abstract
OBJECTIVE To investigate mechanisms underlying the capability of ADAM15 to transform FasL-mediated death-inducing signals into prosurvival activation of Src and focal adhesion kinase (FAK) in rheumatoid arthritis synovial fibroblasts (RASFs). METHODS Caspase 3/7 activity and apoptosis rate were determined in RASFs and ADAM15-transfected T/C28a4 cells upon Fas/CD95 triggering using enzyme assays and annexin V staining. Phosphorylated Src and FAK were analyzed by immunoblotting. Interactions of ADAM15 and CD95 with calmodulin (CaM), Src, or FAK were analyzed by pull-downs using CaM-Sepharose and coimmunoprecipitations with specific antibodies. Protein binding assays were performed using recombinant CaM and ADAM15. Immunofluorescence was performed to investigate subcellular colocalization of ADAM15, Fas/CD95, and CaM. RESULTS The antiapoptotic effect of ADAM15 in FasL-stimulated cells was demonstrated either by increased apoptosis of cells transfected with an ADAM15 construct lacking the cytoplasmic domain compared to cells transfected with full-length ADAM15 or by reduced apoptosis resistance of RASFs upon RNA interference silencing of ADAM15. Fas ligation triggered a Ca2+ release-activated Ca2+ /calcium release-activated calcium channel protein 1 (CRAC/Orai1) channel-dependent CaM recruitment to Fas/CD95 and ADAM15 in the cell membrane. Simultaneously, Src associated with CaM was shown to become engaged in the ADAM15 complex also containing cytoplasmic-bound FAK. Accordingly, Fas ligation in RASFs led to ADAM15-dependent phosphorylation of Src and FAK, which was associated with increased survival. Pharmacologic interference with either the CaM inhibitor trifluoperazine or the CRAC/Orai inhibitor BTP-2 simultaneously applied with FasL synergistically enhanced Fas-mediated apoptosis in RASFs. CONCLUSION ADAM15 provides a scaffold for formation of CaM-dependent prosurvival signaling complexes upon CRAC/Orai coactivation by FasL-induced death signals and a potential therapeutic target to break apoptosis resistance in RASFs.
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Affiliation(s)
- Tomasz Janczi
- University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
| | - Beate B Böhm
- University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
| | - Yuliya Fehrl
- University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
| | - Pangrazio DeGiacomo
- University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
| | | | - Harald Burkhardt
- University Hospital Frankfurt, Goethe University, and Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Frankfurt am Main, Germany
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Mei Y, Barrett JE, Hu H. Calcium release-activated calcium channels and pain. Cell Calcium 2018; 74:180-185. [PMID: 30096536 DOI: 10.1016/j.ceca.2018.07.009] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Revised: 07/10/2018] [Accepted: 07/27/2018] [Indexed: 12/30/2022]
Abstract
Calcium release-activated calcium (CRAC) channels are unique among ion channels that are activated in response to depletion of intracellular calcium stores and are highly permeable to Ca2+ compared to other cations. CRAC channels mediate an important calcium signal for a wide variety of cell types and are well studied in the immune system. They have been implicated in a number of disorders such as immunodeficiency, musculosketal disorders and cancer. There is growing evidence showing that CRAC channels are expressed in the nervous system and are involved in pathological conditions including pain. This review summarizes the expression, distribution, and function of the CRAC channel family in the dorsal root ganglion, spinal cord and some brain regions, and discusses their functional significance in neurons and glial cells and involvement in nociception and chronic pain. Although further studies are needed to understand how these channels are activated under physiological conditions, the recent findings indicate that the CRAC channel Orai1 is an important player in pain modulation and could represent a new target for pathological pain.
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Affiliation(s)
- Yixiao Mei
- Department of Anesthesiology, Rutgers New Jersey Medical School, Newark, NJ 07103, United States
| | - James E Barrett
- Department of Neurology, Drexel University College of Medicine Philadelphia, PA 19102, United States
| | - Huijuan Hu
- Department of Anesthesiology, Rutgers New Jersey Medical School, Newark, NJ 07103, United States.
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Abstract
Lung ischemia-reperfusion (I/R) injury is a critical complication following a lung transplant, cardiopulmonary bypass, pulmonary embolism, and trauma. Immune cells and their effector functions are involved in the lung I/R injury. Store-operated calcium channels (SOCC) are highly Ca2+-selective cation channels and have crucial effects on the immune system. It has been indicated that BTP2, a potent SOCC blocker, could inhibit pro-inflammatory cytokine production from immune cells both in vitro and in vivo. Therefore, this study was conducted to investigate the beneficial effects of BTP2 on lung I/R injury in Sprague-Dawley (SD) rats. The left lungs of male SD rats underwent ischemia for 60 min and reperfusion for 2 h. Treated animals received BTP2 4 mg/kg or 10 mg/kg intraperitoneally 30 min before the ischemia. The results revealed that pretreatment with BTP2 markedly attenuated I/R injury-induced pulmonary edema, microvascular protein leakage, neutrophil infiltration, adhesion molecules, cytokine production (e.g., ICAM-1, TNF-α, IL-1β, and IL-2), and the transcription factor nuclear factor of activated T cells c1 nuclear translocation in the lung tissue. These findings indicate that BTP2 can be a potential therapeutic drug for lung I/R injury and suggest that SOCC may play a critical role in lung I/R injury.
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Affiliation(s)
- Wei Zhang
- Department of Anesthesiology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Zeyou Qi
- Center for Anesthesiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Yaping Wang
- Department of Anesthesiology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.
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Miyoshi M, Liu S, Morizane A, Takemasa E, Suzuki Y, Kiyoi T, Maeyama K, Mogi M. Efficacy of constant long-term delivery of YM-58483 for the treatment of rheumatoid arthritis. Eur J Pharmacol 2018; 824:89-98. [PMID: 29428471 DOI: 10.1016/j.ejphar.2018.02.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2017] [Revised: 02/07/2018] [Accepted: 02/07/2018] [Indexed: 12/25/2022]
Abstract
The aim of this study was to investigate the efficacy and safety of YM-58483, a small molecular antagonist of Ca2+ release-activated Ca2+ (CRAC) channels, for the treatment of rheumatoid arthritis (RA), in vivo and ex vivo. YM-58483 was continuously injected subcutaneously in a collagen-induced arthritis (CIA) mouS.E.M.odel using an implanted osmotic pump. The severity of CIA was evaluated using the following parameters: body weight, hind paw volume, clinical score, histological analysis, cytokine levels, Ca2+ influx, and specific IgG production. The efficacy of long-term application of YM-58483 was also verified ex vivo in RA patient-derived peripheral blood monocytes. Assessment of the clinical severity of CIA, cytokine profile in serum and joint protein extracts, and specific IgG production showed that continuous application of YM-58483 suppressed synovial inflammation by inhibiting immune cell activity. Chemical screening and hepatography indicated that long-term subcutaneous delivery of YM-58483 was safer than oral administration for systemic application. Moreover, constant preincubation with YM-58483 at an IC50 of 0.1-1 nM altered proinflammatory cytokine production ex vivo in peripheral T cells derived from RA patients. Our findings suggest that continuous long-term application of appropriate CRAC inhibitors such as YM-58483 is a potential therapeutic strategy for global immunosuppression in RA.
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Affiliation(s)
- Maya Miyoshi
- Ehime University Graduate School of Medicine, Shitsugawa, Toon-shi, Ehime, Japan
| | - Shuang Liu
- Ehime University Graduate School of Medicine, Shitsugawa, Toon-shi, Ehime, Japan.
| | - Asuka Morizane
- Ehime University Graduate School of Medicine, Shitsugawa, Toon-shi, Ehime, Japan
| | - Erika Takemasa
- Ehime University Graduate School of Medicine, Shitsugawa, Toon-shi, Ehime, Japan
| | - Yashuyuki Suzuki
- Ehime University Graduate School of Medicine, Shitsugawa, Toon-shi, Ehime, Japan
| | - Takeshi Kiyoi
- Department of Bioscience, Integrated Center for Sciences, Ehime University, Shitsukawa, Toon-shi, Ehime, Japan
| | - Kazutaka Maeyama
- Ehime University Graduate School of Medicine, Shitsugawa, Toon-shi, Ehime, Japan
| | - Masaki Mogi
- Ehime University Graduate School of Medicine, Shitsugawa, Toon-shi, Ehime, Japan
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Dou Y, Xia J, Gao R, Gao X, Munoz FM, Wei D, Tian Y, Barrett JE, Ajit S, Meucci O, Putney JW Jr, Dai Y, Hu H. Orai1 Plays a Crucial Role in Central Sensitization by Modulating Neuronal Excitability. J Neurosci 2018; 38:887-900. [PMID: 29229703 DOI: 10.1523/JNEUROSCI.3007-17.2017] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Revised: 11/19/2017] [Accepted: 11/29/2017] [Indexed: 12/19/2022] Open
Abstract
Pathological pain is a common and debilitating condition that is often poorly managed. Central sensitization is an important mechanism underlying pathological pain. However, candidate molecules involved in central sensitization remain unclear. Store-operated calcium channels (SOCs) mediate important calcium signals in nonexcitable and excitable cells. SOCs have been implicated in a wide variety of human pathophysiological conditions, including immunodeficiency, occlusive vascular diseases, and cancer. However, the role of SOCs in CNS disorders has been relatively unexplored. Orai1, a key component of SOCs, is expressed in the human and rodent spinal cord dorsal horn, but its functional significance in dorsal horn neurons is poorly understood. Here we sought to explore a potential role of Orai1 in the modulation of neuronal excitability and A-type potassium channels involved in pain plasticity. Using both male and female Orai1 knock-out mice, we found that activation of Orai1 increased neuronal excitability and reduced A-type potassium channels via the protein kinase C-extracellular signal-regulated protein kinase (PKC-ERK) pathway in dorsal horn neurons. Orai1 deficiency significantly decreased acute pain induced by noxious stimuli, nearly eliminated the second phase of formalin-induced nociceptive response, markedly attenuated carrageenan-induced ipsilateral pain hypersensitivity and abolished carrageenan-induced contralateral mechanical allodynia. Consistently, carrageenan-induced increase in neuronal excitability was abolished in the dorsal horn from Orai1 mutant mice. These findings uncover a novel signaling pathway involved in the pain process and central sensitization. Our study also reveals a novel link among Orai1, ERK, A-type potassium channels, and neuronal excitability.SIGNIFICANCE STATEMENT Orai1 is a key component of store-operated calcium channels (SOCs) in many cell types. It has been implicated in such pathological conditions as immunodeficiency, autoimmunity, and cancer. However, the role of Orai1 in CNS disorders remains poorly understood. The functional significance of Orai1 in neurons is elusive. Here we demonstrate that activation of Orai1 modulates neuronal excitability and Kv4-containing A-type potassium channels via the protein kinase C-extracellular signal-regulated protein kinase (PKC-ERK) pathway. Genetic knock-out of Orai1 nearly eliminates the second phase of formalin-induced pain and markedly attenuates carrageenan-induced pain hypersensitivity and neuronal excitability. These findings reveal a novel link between Orai1 and neuronal excitability and advance our understanding of central sensitization.
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Wang W, Li Z, Meng Q, Zhang P, Yan P, Zhang Z, Zhang H, Pan J, Zhai Y, Liu Y, Wang X, Li W, Zhao Y. Chronic Calcium Channel Inhibitor Verapamil Antagonizes TNF-α-Mediated Inflammatory Reaction and Protects Against Inflammatory Arthritis in Mice. Inflammation 2017; 39:1624-34. [PMID: 27438468 DOI: 10.1007/s10753-016-0396-1] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
It is well established that the tumor necrosis factor-α (TNF-α) plays a dominant role in rheumatoid arthritis (RA). Calcium channel is recently reported to be closely associated with various inflammatory diseases. However, whether chronic calcium channel blocker verapamil plays a role in RA still remains unknown. To investigate the role of verapamil in antagonizing TNF-α-mediated inflammation reaction and the underlying mechanisms, bone marrow-derived macrophages (BMDM) cells were cultured with stimulation of TNF-α, in the presence or absence of verapamil. Inflammation-associated cytokines, including IL-1, IL-6, inducible nitric oxide synthase 2 (NOS-2), and cyclooxygenase-2 (COX-2), were assessed, and verapamil suppressed TNF-α-induced expression of inflammatory cytokines. Furthermore, collagen-induced arthritis (CIA) mice models were established, and arthritis progression was evaluated by clinical and histological signs of arthritis. Treatment of verapamil attenuated inflammation as well as joint destruction in arthritis models. In addition, activity of NF-kB signaling pathway was determined both in vitro and in mice arthritis models, and verapamil inhibited TNF-α-induced activation of NF-kB signaling both in vitro and in mice models. Collectively, chronic calcium channel blocker verapamil may shed light on treatment of inflammatory arthritis and provide a potential therapeutic instrument for RA in the future.
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Affiliation(s)
- Wenhan Wang
- School of Medicine, Shandong University, Jinan, Shandong, 250012, People's Republic of China
| | - Zhong Li
- Department of Orthopaedics, Liaocheng Clinical Academy, Taishan Medical University, Liaocheng, Shandong, 252000, People's Republic of China
| | - Qingjuan Meng
- The Third People's Hospital of Jinan, Jinan, Shandong, 250101, People's Republic of China
| | - Pei Zhang
- School of Medicine, Shandong University, Jinan, Shandong, 250012, People's Republic of China
| | - Pengcheng Yan
- School of Medicine, Shandong University, Jinan, Shandong, 250012, People's Republic of China
| | - Zhenbiao Zhang
- School of Medicine, Shandong University, Jinan, Shandong, 250012, People's Republic of China
| | - Hao Zhang
- School of Medicine, Shandong University, Jinan, Shandong, 250012, People's Republic of China
| | - Jingrui Pan
- School of Medicine, Shandong University, Jinan, Shandong, 250012, People's Republic of China
| | - Yujia Zhai
- School of Medicine, Shandong University, Jinan, Shandong, 250012, People's Republic of China
| | - Yaoge Liu
- School of Medicine, Shandong University, Jinan, Shandong, 250012, People's Republic of China
| | - Xiaokai Wang
- School of Medicine, Shandong University, Jinan, Shandong, 250012, People's Republic of China
| | - Weiwei Li
- Department of Pathology, Qilu Hospital, Shandong University, Jinan, Shandong, 250012, People's Republic of China.
| | - Yunpeng Zhao
- Department of Orthopaedics, Qilu Hospital, Shandong University, 107 Wenhuaxi Road, Jinan, Shandong, 250012, People's Republic of China.
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Chan CM, Huang DY, Huang YP, Hsu SH, Kang LY, Shen CM, Lin WW. Methylglyoxal induces cell death through endoplasmic reticulum stress-associated ROS production and mitochondrial dysfunction. J Cell Mol Med 2016; 20:1749-60. [PMID: 27307396 PMCID: PMC4988286 DOI: 10.1111/jcmm.12893] [Citation(s) in RCA: 72] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2016] [Accepted: 05/03/2016] [Indexed: 12/30/2022] Open
Abstract
Diabetic retinopathy (DR) and age‐related macular degeneration (AMD) are two important leading causes of acquired blindness in developed countries. As accumulation of advanced glycation end products (AGEs) in retinal pigment epithelial (RPE) cells plays an important role in both DR and AMD, and the methylglyoxal (MGO) within the AGEs exerts irreversible effects on protein structure and function, it is crucial to understand the underlying mechanism of MGO‐induced RPE cell death. Using ARPE‐19 as the cell model, this study revealed that MGO induces RPE cell death through a caspase‐independent manner, which relying on reactive oxygen species (ROS) formation, mitochondrial membrane potential (MMP) loss, intracellular calcium elevation and endoplasmic reticulum (ER) stress response. Suppression of ROS generation can reverse the MGO‐induced ROS production, MMP loss, intracellular calcium increase and cell death. Moreover, store‐operated calcium channel inhibitors MRS1845 and YM‐58483, but not the inositol 1,4,5‐trisphosphate (IP3) receptor inhibitor xestospongin C, can block MGO‐induced ROS production, MMP loss and sustained intracellular calcium increase in ARPE‐19 cells. Lastly, inhibition of ER stress by salubrinal and 4‐PBA can reduce the MGO‐induced intracellular events and cell death. Therefore, our data indicate that MGO can decrease RPE cell viability, resulting from the ER stress‐dependent intracellular ROS production, MMP loss and increased intracellular calcium increase. As MGO is one of the components of drusen in AMD and is the AGEs adduct in DR, this study could provide a valuable insight into the molecular pathogenesis and therapeutic intervention of AMD and DR.
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Affiliation(s)
- Chi-Ming Chan
- Department of Pharmacology, College of Medicine, National Taiwan University, Taipei, Taiwan.,Department of Ophthalmology, Cardinal Tien Hospital, New Taipei City, Taiwan.,School of Medicine, Fu Jen Catholic University, New Taipei City, Taiwan
| | - Duen-Yi Huang
- Department of Pharmacology, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Yi-Pin Huang
- Medical Research Center, Cardinal Tien Hospital, New Taipei City, Taiwan
| | - Shu-Hao Hsu
- Medical Research Center, Cardinal Tien Hospital, New Taipei City, Taiwan
| | - Lan-Ya Kang
- Department of Pharmacology, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Chung-Min Shen
- Department of Pediatrics, Cathay General Hospital, Taipei, Taiwan
| | - Wan-Wan Lin
- Department of Pharmacology, College of Medicine, National Taiwan University, Taipei, Taiwan.,Graduate Institute of Medical Sciences, Taipei Medical University, Taipei, Taiwan
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25
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Gao X, Xia J, Munoz FM, Manners MT, Pan R, Meucci O, Dai Y, Hu H. STIMs and Orai1 regulate cytokine production in spinal astrocytes. J Neuroinflammation 2016; 13:126. [PMID: 27245842 PMCID: PMC4886427 DOI: 10.1186/s12974-016-0594-7] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2016] [Accepted: 05/23/2016] [Indexed: 12/30/2022] Open
Abstract
Background Our previous study demonstrated that a store-operated calcium channel (SOCC) inhibitor (YM-58483) has central analgesic effects. However, the cellular and molecular mechanisms of such effects remain to be determined. It is well-known that glial cells play important roles in central sensitization. SOC entry (SOCE) has been implicated in many cell types including cortical astrocytes. However, the role of the SOCC family in the function of astrocytes has not been determined. Here, we thoroughly investigated the expression and the functional significance of SOCCs in spinal astrocytes. Methods Primary cultured astrocytes were prepared from neonatal (P2–P3) CD1 mice. Expressions of mRNAs and proteins were respectively assessed by real-time PCR and Western blot analysis. SOCE was measured using a calcium imaging system. Live-cell STIM1 translocation was detected using a confocal microscope. Cytokine levels were measured by the enzyme-linked immunosorbent assay. Results We found that the SOCC family is expressed in spinal astrocytes and that depletion of calcium stores from the endoplasmic reticulum by cyclopiazonic acid (CPA) resulted in a large sustained calcium entry, which was blocked by SOCC inhibitors. Using the siRNA knockdown approach, we identified STIM1 and Orai1 as primary components of SOCCs in spinal astrocytes. We also observed thapsigargin (TG)- or CPA-induced puncta formation of STIM1 and Orai1. In addition, activation of SOCCs remarkably promoted TNF-α and IL-6 production in spinal astrocytes, which were greatly attenuated by knockdown of STIM1 or Orai1. Importantly, knockdown of STIM2 and Orai1 dramatically decreased lipopolysaccharide-induced TNF-α and IL-6 production without changing cell viability. Conclusions This study presents the first evidence that STIM1, STIM2, and Orai1 mediate SOCE and are involved in cytokine production in spinal astrocytes. Our findings provide the basis for future assessment of SOCCs in pain and other central nervous system disorders associated with abnormal astrocyte activities.
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Affiliation(s)
- Xinghua Gao
- Department of Pharmacology and Physiology, Drexel University College of Medicine, 245 N. 15th Street, Philadelphia, PA, 19102, USA.,Department of Pharmacology of Chinese Materia Medica, China Pharmaceutical University, Nanjing, China
| | - Jingsheng Xia
- Department of Pharmacology and Physiology, Drexel University College of Medicine, 245 N. 15th Street, Philadelphia, PA, 19102, USA
| | - Frances M Munoz
- Department of Pharmacology and Physiology, Drexel University College of Medicine, 245 N. 15th Street, Philadelphia, PA, 19102, USA
| | - Melissa T Manners
- Department of Pharmacology and Physiology, Drexel University College of Medicine, 245 N. 15th Street, Philadelphia, PA, 19102, USA
| | - Rong Pan
- Department of Pharmacology and Physiology, Drexel University College of Medicine, 245 N. 15th Street, Philadelphia, PA, 19102, USA
| | - Olimpia Meucci
- Department of Pharmacology and Physiology, Drexel University College of Medicine, 245 N. 15th Street, Philadelphia, PA, 19102, USA
| | - Yue Dai
- Department of Pharmacology of Chinese Materia Medica, China Pharmaceutical University, Nanjing, China
| | - Huijuan Hu
- Department of Pharmacology and Physiology, Drexel University College of Medicine, 245 N. 15th Street, Philadelphia, PA, 19102, USA.
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26
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Nieto FR, Clark AK, Grist J, Hathway GJ, Chapman V, Malcangio M. Neuron-immune mechanisms contribute to pain in early stages of arthritis. J Neuroinflammation 2016; 13:96. [PMID: 27130316 PMCID: PMC4851814 DOI: 10.1186/s12974-016-0556-0] [Citation(s) in RCA: 76] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Accepted: 04/18/2016] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Rheumatoid arthritis (RA) patients frequently show weak correlations between the magnitude of pain and inflammation suggesting that mechanisms other than overt peripheral inflammation contribute to pain in RA. We assessed changes in microglial reactivity and spinal excitability and their contribution to pain-like behaviour in the early stages of collagen-induced arthritis (CIA) model. METHODS Mechanically evoked hypersensitivity, spinal nociceptive withdrawal reflexes (NWRs) and hind paw swelling were evaluated in female Lewis rats before and until 13 days following collagen immunization. In the spinal dorsal horn, microgliosis was assayed using immunohistochemistry (Iba-1/p-p38) and cyto(chemo)kine levels in the cerebrospinal fluid (CSF). Intrathecal administration of microglia-targeting drugs A-438079 (P2X7 antagonist) and LHVS (cathepsin S inhibitor) were examined upon hypersensitivity, NWRs, microgliosis and cyto(chemo)kine levels in the early phase of CIA. RESULTS The early phase of CIA was associated with mechanical allodynia and exaggerated mechanically evoked spinal NWRs, evident before hind paw swelling, and exacerbated with the development of swelling. Concomitant with the development of hypersensitivity was the presence of reactive spinal microgliosis and an increase of IL-1β levels in CSF (just detectable in plasma). Prolonged intrathecal administration of microglial inhibitors attenuated the development of mechanical allodynia, reduced microgliosis and attenuated IL-1β increments. Acute spinal application of either microglial inhibitor significantly diminished the sensitization of the spinal NWRs. CONCLUSIONS Mechanical hypersensitivity in the early phase of CIA is associated with central sensitization that is dependent upon microglial-mediated release of IL-1β in the spinal cord. Blockade of these spinal events may provide pain relief in RA patients.
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Affiliation(s)
- Francisco R Nieto
- Wolfson Centre for Age-Related Diseases, King's College London, Wolfson Wing, Hodgkin Building, Guy's Campus, London, UK
| | - Anna K Clark
- Wolfson Centre for Age-Related Diseases, King's College London, Wolfson Wing, Hodgkin Building, Guy's Campus, London, UK
| | - John Grist
- Wolfson Centre for Age-Related Diseases, King's College London, Wolfson Wing, Hodgkin Building, Guy's Campus, London, UK
| | - Gareth J Hathway
- Arthritis Research UK Pain Centre, School of Life Sciences, University of Nottingham, Nottingham, UK
| | - Victoria Chapman
- Arthritis Research UK Pain Centre, School of Life Sciences, University of Nottingham, Nottingham, UK
| | - Marzia Malcangio
- Wolfson Centre for Age-Related Diseases, King's College London, Wolfson Wing, Hodgkin Building, Guy's Campus, London, UK.
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27
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Abstract
Pain is one of the most challenging symptoms for patients with rheumatoid arthritis (RA). RA-related pain is frequently considered to be solely a consequence of inflammation in the joints; however, recent studies show that multiple mechanisms are involved. Indeed, RA pain may start even before the disease manifests, and frequently does not correlate with the degree of inflammation or pharmacological management. In this aspect, animal studies have the potential to provide new insights into the pathology that initiate and maintain pain in RA. The focus of this review is to describe the most commonly used animal models for studies of RA pathology, which have also been utilized in pain research, and to summarize findings providing potential clues to the mechanisms involved in the regulation of RA-induced pain.
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Affiliation(s)
- Duygu B Bas
- Department of Physiology & Pharmacology, Karolinska Institutet, Stockholm 171 77, Sweden
| | - Jie Su
- Department of Physiology & Pharmacology, Karolinska Institutet, Stockholm 171 77, Sweden
| | - Gustaf Wigerblad
- Department of Physiology & Pharmacology, Karolinska Institutet, Stockholm 171 77, Sweden
| | - Camilla I Svensson
- Department of Physiology & Pharmacology, Karolinska Institutet, Stockholm 171 77, Sweden
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28
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Park R, Ji JD. Calcium channels: the potential therapeutic targets for inflammatory bone destruction of rheumatoid arthritis. Inflamm Res 2016; 65:347-54. [PMID: 26852086 DOI: 10.1007/s00011-016-0920-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2015] [Revised: 01/23/2016] [Accepted: 01/26/2016] [Indexed: 12/28/2022] Open
Abstract
INTRODUCTION Inflammatory bone resorption causes progressive joint destruction which ultimately leads to functional disability in rheumatoid arthritis (RA). The primary cell responsible for bone resorption is the osteoclast, which means it is a potential therapeutic target against bone destruction. In fact, experimental and clinical findings suggest that blockade of osteoclast differentiation and function is highly effective in inhibiting bone destruction in RA. DISCUSSION AND CONCLUSION In this report, we show several lines of experimental evidence which suggest that a variety of Ca(2+) channels are essential in osteoclast differentiation and function, and present a hypothesis that modulation of Ca(2+) channels is a highly effective therapeutic strategy in preventing osteoclast-induced structural damage in RA.
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Affiliation(s)
- Robin Park
- Division of Rheumatology, College of Medicine, Korea University, 126-1, Anam-Dong 5-Ga, Sungbuk-Ku, Seoul, 136-705, South Korea
| | - Jong Dae Ji
- Division of Rheumatology, College of Medicine, Korea University, 126-1, Anam-Dong 5-Ga, Sungbuk-Ku, Seoul, 136-705, South Korea.
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29
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Abstract
Store-operated calcium channels (SOCCs) are calcium-selective cation channels. Recently, there has been explosive growth in establishing the molecular mechanisms that mediate store-operated Ca(2+) entry (SOCE) and the role of this process in normal cellular function and disease states. SOCCs and its components appear to play an important role in many Ca(2+)-dependent processes in nonexcitable cells and are implicated in several possible disorders including allergies, multiple sclerosis, cancer, and inflammatory bowel disease. Recent studies have shown that SOCCs are expressed in the central nervous system (CNS) and involved in neuronal functions and pathological conditions, including chronic pain. In this chapter, we discuss SOCE and its physiological and pathological roles in the CNS. More specifically, we discuss the expression and function of SOCCs and their downstream signaling mechanisms under chronic pain conditions.
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Affiliation(s)
- Frances Munoz
- Department of Pharmacology and Physiology, Drexel University College of Medicine, Philadelphia, Pennsylvania, USA
| | - Huijuan Hu
- Department of Pharmacology and Physiology, Drexel University College of Medicine, Philadelphia, Pennsylvania, USA.
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30
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Blair HC, Soboloff J, Robinson LJ, Tourkova IL, Larrouture QC, Witt MR, Holaskova I, Schafer R, Elliott M, Hirsch R, Barnett JB. Suppression of arthritis-induced bone erosion by a CRAC channel antagonist. RMD Open 2016; 2:e000093. [PMID: 26819750 PMCID: PMC4716559 DOI: 10.1136/rmdopen-2015-000093] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2015] [Revised: 11/10/2015] [Accepted: 12/10/2015] [Indexed: 12/22/2022] Open
Abstract
Objective We have shown in vitro and in vivo that osteoclast maturation requires calcium-release activated calcium (CRAC) channels. In inflammatory arthritis, osteoclasts mediate severe and debilitating bone erosion. In the current study, we assess the value of CRAC channels as a therapeutic target to suppress bone erosion in acute inflammatory arthritis. Methods Collagen-induced arthritis (CIA) was induced in mice. The CRAC channel inhibitor 3,4-dichloropropionaniline (DCPA) and a placebo was administered 1 day prior to collagen II booster to induce arthritis. Effects on swelling, inflammatory cell invasion in joints, serum cytokines and bone erosion were measured. Results Assays, by blinded observers, of arthritis severity showed that DCPA, 21 mg/kg/day, suppressed arthritis development over 3 weeks. Bone and cartilage damage in sections of animal feet was reduced approximately 50%; overall swelling of joints was reduced by a similar amount. Effects on bone density by µCT showed clear separation in DCPA-treated CIA animals from CIA without treatment, while differences between controls without CIA and CIA treated with DCPA differed by small amounts and in most cases were not statistically different. Response was not related to anticollagen titres. There were no adverse effects in the treated group on animal weight or activity, consistent with low toxicity. The effect was maximal 12–17 days after collagen booster, during the rapid appearance of arthritis in untreated CIA. At 20 days after treatment (day 40), differences in arthritis score were reduced and tumour necrosis factor α, interleukin (IL)-1, or IL-6 in the serum of the animals were similar in treated and untreated animals. Conclusions DCPA, a novel inhibitor of CRAC channels, suppresses bone erosion associated with acute arthritis in mice and might represent a new treatment modality for acute arthrits.
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Affiliation(s)
- Harry C Blair
- Departments of Pathology and of Cell Biology , The Pittsburgh VA Medical Center and the University of Pittsburgh , Pittsburgh , USA
| | - Jonathan Soboloff
- Fels Institute for Cancer Research and Molecular Biology and the Department of Medical Genetics & Molecular Biochemistry , Temple University School of Medicine , Philadelphia, Pennsylvania , USA
| | - Lisa J Robinson
- Departments of Pathology and of Microbiology, Immunology & Cell Biology , West Virginia University School of Medicine , Morgantown, West Virginia , USA
| | - Irina L Tourkova
- Departments of Pathology and of Cell Biology , The Pittsburgh VA Medical Center and the University of Pittsburgh , Pittsburgh , USA
| | - Quitterie C Larrouture
- Departments of Pathology and of Cell Biology , The Pittsburgh VA Medical Center and the University of Pittsburgh , Pittsburgh , USA
| | - Michelle R Witt
- Departments of Pathology and of Cell Biology , The Pittsburgh VA Medical Center and the University of Pittsburgh , Pittsburgh , USA
| | - Ida Holaskova
- Department of Microbiology, Immunology & Cell Biology, and the Mary Babb Randolph Cancer Center , West Virginia University School of Medicine , Morgantown, West Virginia , USA
| | - Rosana Schafer
- Department of Microbiology, Immunology & Cell Biology, and the Mary Babb Randolph Cancer Center , West Virginia University School of Medicine , Morgantown, West Virginia , USA
| | - Meenal Elliott
- Department of Microbiology, Immunology & Cell Biology, and the Mary Babb Randolph Cancer Center , West Virginia University School of Medicine , Morgantown, West Virginia , USA
| | - Raphael Hirsch
- Department of Pediatrics , University of Iowa Carver College of Medicine , Iowa City ,
| | - John B Barnett
- Department of Microbiology, Immunology & Cell Biology, and the Mary Babb Randolph Cancer Center , West Virginia University School of Medicine , Morgantown, West Virginia , USA
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31
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Qi Z, Wang Y, Zhou H, Liang N, Yang L, Liu L, Zhang W. The Central Analgesic Mechanism of YM-58483 in Attenuating Neuropathic Pain in Rats. Cell Mol Neurobiol 2015; 36:1035-43. [PMID: 26514127 DOI: 10.1007/s10571-015-0292-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2015] [Accepted: 10/22/2015] [Indexed: 12/18/2022]
Abstract
Calcium channel antagonists are commonly used to treat neuropathic pain. Their analgesic effects rely on inhibiting long-term potentiation, and neurotransmitters release in the spinal cord. Store-operated Ca(2+)channels (SOCCs) are highly Ca(2+)-selective cation channels broadly expressed in non-excitable cells and some excitable cells. Recent studies have shown that the potent inhibitor of SOCCs, YM-58483, has analgesic effects on neuropathic pain, but its mechanism is unclear. This experiment performed on spinal nerve ligation (SNL)-induced neuropathic pain model in rats tries to explore the mechanism, whereby YM-58483 attenuates neuropathic pain. The left L5 was ligated to produce the SNL neuropathic pain model in male Sprague-Dawley rats. The withdrawal threshold of rats was measured by the up-down method and Hargreaves' method before and after intrathecal administration of YM-58483 and vehicle. The SOCCs in the spinal dorsal horn were located by immunofluorescence. The expression of phosphorylated ERK and phosphorylated CREB, CD11b, and GFAP proteins in spinal level was tested by Western blot, while the release of proinflammatory cytokines (IL-1β, TNF-α, PGE2) was measured by enzyme-linked immunosorbent assay (ELISA). Intrathecal YM-58483 at the concentration of 300 μM (1.5 nmol) and 1000 μM (10 nmol) produced a significant central analgesic effect on the SNL rats, compared with control + vehicle (n = 7, P < 0.001). However, both could not prevent the development of neuropathic pain, compared with normal + saline (P < 0.001). Immunofluorescent staining revealed that Orai1 and STIM1 (the two key components of SOCCs) were located in the spinal dorsal horn neurons. Western blot showed that YM-58483 could decrease the levels of P-ERK and P-CREB (n = 10, #P < 0.05), without affecting the expression of CD11b and GFAP (n = 10, #P > 0.05). YM-58483 also inhibited the release of spinal cord IL-1β, TNF-α, and PGE2, compared with control + vehicle (n = 5, #P < 0.001). The analgesic mechanism of YM-58483 may be via inhibiting central ERK/CREB signaling in the neurons and decreasing central IL-1β, TNF-α, and PGE2 release to reduce neuronal excitability in the spinal dorsal horn of the SNL rats.
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Affiliation(s)
- Zeyou Qi
- Second Xiang-Ya Hospital of Central South University, Changsha, China
| | - Yaping Wang
- Second Xiang-Ya Hospital of Central South University, Changsha, China.
| | - Haocheng Zhou
- Second Xiang-Ya Hospital of Central South University, Changsha, China
| | - Na Liang
- Second Xiang-Ya Hospital of Central South University, Changsha, China
| | - Lin Yang
- Second Xiang-Ya Hospital of Central South University, Changsha, China
| | - Lei Liu
- Second Xiang-Ya Hospital of Central South University, Changsha, China
| | - Wei Zhang
- Second Xiang-Ya Hospital of Central South University, Changsha, China
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