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Pawlik K, Mika J. Targeting Members of the Chemokine Family as a Novel Approach to Treating Neuropathic Pain. Molecules 2023; 28:5766. [PMID: 37570736 PMCID: PMC10421203 DOI: 10.3390/molecules28155766] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 07/19/2023] [Accepted: 07/27/2023] [Indexed: 08/13/2023] Open
Abstract
Neuropathic pain is a debilitating condition that affects millions of people worldwide. Numerous studies indicate that this type of pain is a chronic condition with a complex mechanism that tends to worsen over time, leading to a significant deterioration in patients' quality of life and issues like depression, disability, and disturbed sleep. Presently used analgesics are not effective enough in neuropathy treatment and may cause many side effects due to the high doses needed. In recent years, many researchers have pointed to the important role of chemokines not only in the development and maintenance of neuropathy but also in the effectiveness of analgesic drugs. Currently, approximately 50 chemokines are known to act through 20 different seven-transmembrane G-protein-coupled receptors located on the surface of neuronal, glial, and immune cells. Data from recent years clearly indicate that more chemokines than initially thought (CCL1/2/3/5/7/8/9/11, CXCL3/9/10/12/13/14/17; XCL1, CX3CL1) have pronociceptive properties; therefore, blocking their action by using neutralizing antibodies, inhibiting their synthesis, or blocking their receptors brings neuropathic pain relief. Several of them (CCL1/2/3/7/9/XCL1) have been shown to be able to reduce opioid drug effectiveness in neuropathy, and neutralizing antibodies against them can restore morphine and/or buprenorphine analgesia. The latest research provides irrefutable evidence that chemokine receptors are promising targets for pharmacotherapy; chemokine receptor antagonists can relieve pain of different etiologies, and most of them are able to enhance opioid analgesia, for example, the blockade of CCR1 (J113863), CCR2 (RS504393), CCR3 (SB328437), CCR4 (C021), CCR5 (maraviroc/AZD5672/TAK-220), CXCR2 (NVPCXCR220/SB225002), CXCR3 (NBI-74330/AMG487), CXCR4 (AMD3100/AMD3465), and XCR1 (vMIP-II). Recent research has shown that multitarget antagonists of chemokine receptors, such as CCR2/5 (cenicriviroc), CXCR1/2 (reparixin), and CCR2/CCR5/CCR8 (RAP-103), are also very effective painkillers. A multidirectional strategy based on the modulation of neuronal-glial-immune interactions by changing the activity of the chemokine family can significantly improve the quality of life of patients suffering from neuropathic pain. However, members of the chemokine family are still underestimated pharmacological targets for pain treatment. In this article, we review the literature and provide new insights into the role of chemokines and their receptors in neuropathic pain.
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Affiliation(s)
| | - Joanna Mika
- Department of Pain Pharmacology, Maj Institute of Pharmacology Polish Academy of Sciences, 12 Smetna Str., 31-343 Cracow, Poland;
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Pharmacological Evidence of the Important Roles of CCR1 and CCR3 and Their Endogenous Ligands CCL2/7/8 in Hypersensitivity Based on a Murine Model of Neuropathic Pain. Cells 2022; 12:cells12010098. [PMID: 36611891 PMCID: PMC9818689 DOI: 10.3390/cells12010098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 12/21/2022] [Accepted: 12/23/2022] [Indexed: 12/28/2022] Open
Abstract
Neuropathic pain treatment remains a challenging issue because the therapies currently used in the clinic are not sufficiently effective. Moreover, the mechanism of neuropathy is still not entirely understood; however, much evidence indicates that chemokines are important factors in the initial and late phases of neuropathic pain. To date, the roles of CCR1, CCR3 and their endogenous ligands have not been extensively studied; therefore, they have become the subject of our research. In the present comprehensive behavioral and biochemical study, we detected significant time-dependent and long-lasting increases in the mRNA levels of CCR1 and/or CCR3 ligands, such as CCL2/3/4/5/6/7/8/9, in the murine spinal cord after chronic constriction injury of the sciatic nerve, and these increases were accompanied by changes in the levels of microglial/macrophage, astrocyte and neutrophil cell markers. ELISA results suggested that endogenous ligands of CCR1 and CCR3 are involved in the development (CCL2/3/5/7/8/9) and persistence (CCL2/7/8) of neuropathic pain. Moreover, intrathecal injection of CCL2/3/5/7/8/9 confirmed their possible strong influence on mechanical and thermal hypersensitivity development. Importantly, inhibition of CCL2/7/8 production and CCR1 and CCR3 blockade by selective/dual antagonists effectively reduced neuropathic pain-like behavior. The obtained data suggest that CCL2/7/8/CCR1 and CCL7/8/CCR3 signaling are important in the modulation of neuropathic pain in mice and that these chemokines and their receptors may be interesting targets for future investigations.
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Jeyasri R, Muthuramalingam P, Adarshan S, Shin H, Ramesh M. Assessing the Anti-inflammatory Effects of Bacopa-Derived Bioactive Compounds Using Network Pharmacology and In Vitro Studies. ACS OMEGA 2022; 7:40344-40354. [PMID: 36385888 PMCID: PMC9647831 DOI: 10.1021/acsomega.2c05318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 10/06/2022] [Indexed: 06/16/2023]
Abstract
Bacopa monnieri is reported as a potent Indian medicinal plant that possesses numerous pharmacological activities due to the presence of various bioactive compounds. These pharmacological activities were used in the ancient medicine system to cure inflammatory conditions. Bacopa has the ability to reduce acute pain and inflammation by inhibiting the enzyme cyclo-oxygenase-2 (COX-2) and reducing COX-2-arbitrated prostanoid mediators. Moreover, the anti-inflammatory property may also be associated with the neuroprotective activity of Bacopa. Considering this importance, the current pilot study focused on the anti-inflammatory potential of various phytocompounds of bacopa and their interaction with inflammation responsible genes such as COX2, iNOS, LOX, STAT3, CCR1, and MMP9 through pharmacology analysis of its systems. Docking results revealed that, quercetin (QR) showed significant binding energies with inflammatory genes. Hence, we selected QR as a potential phytocompound for further in vitro experiments. This existing study aimed to evaluate the efficacy of QR as a potent anti-inflammatory compound against lipopolysaccharide (LPS)-stimulated RAW264.7 macrophages. The in vitro analysis concludes that QR effectively reduces the production of nitric oxide (NO) in LPS-induced RAW264.7 cells and downregulates the expression of COX-2 and iNOS genes due to the inhibitory potential of QR on LPS-stimulated NO production.
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Affiliation(s)
- Rajendran Jeyasri
- Department
of Biotechnology, Science Campus, Alagappa
University, Karaikudi, 630 003, Tamil Nadu, India
| | - Pandiyan Muthuramalingam
- Department
of Biotechnology, Science Campus, Alagappa
University, Karaikudi, 630 003, Tamil Nadu, India
- Division
of Horticultural Science, College of Agriculture and Life Sciences, Gyeongsang National University, Jinju, 52725, Korea
- Agri-Food
Bio Convergence Institute, Gyeongsang National
University, Jinju, 52725, Korea
| | - Sivakumar Adarshan
- Department
of Biotechnology, Science Campus, Alagappa
University, Karaikudi, 630 003, Tamil Nadu, India
| | - Hyunsuk Shin
- Division
of Horticultural Science, College of Agriculture and Life Sciences, Gyeongsang National University, Jinju, 52725, Korea
- Agri-Food
Bio Convergence Institute, Gyeongsang National
University, Jinju, 52725, Korea
| | - Manikandan Ramesh
- Department
of Biotechnology, Science Campus, Alagappa
University, Karaikudi, 630 003, Tamil Nadu, India
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Alluri SR, Higashi Y, Kil KE. PET Imaging Radiotracers of Chemokine Receptors. Molecules 2021; 26:molecules26175174. [PMID: 34500609 PMCID: PMC8434599 DOI: 10.3390/molecules26175174] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 08/24/2021] [Accepted: 08/24/2021] [Indexed: 12/12/2022] Open
Abstract
Chemokines and chemokine receptors have been recognized as critical signal components that maintain the physiological functions of various cells, particularly the immune cells. The signals of chemokines/chemokine receptors guide various leukocytes to respond to inflammatory reactions and infectious agents. Many chemokine receptors play supportive roles in the differentiation, proliferation, angiogenesis, and metastasis of diverse tumor cells. In addition, the signaling functions of a few chemokine receptors are associated with cardiac, pulmonary, and brain disorders. Over the years, numerous promising molecules ranging from small molecules to short peptides and antibodies have been developed to study the role of chemokine receptors in healthy states and diseased states. These drug-like candidates are in turn exploited as radiolabeled probes for the imaging of chemokine receptors using noninvasive in vivo imaging, such as positron emission tomography (PET). Recent advances in the development of radiotracers for various chemokine receptors, particularly of CXCR4, CCR2, and CCR5, shed new light on chemokine-related cancer and cardiovascular research and the subsequent drug development. Here, we present the recent progress in PET radiotracer development for imaging of various chemokine receptors.
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Affiliation(s)
- Santosh R. Alluri
- University of Missouri Research Reactor, University of Missouri, Columbia, MO 65211, USA;
| | - Yusuke Higashi
- Department of Medicine, Tulane University, New Orleans, LA 70112, USA;
| | - Kun-Eek Kil
- University of Missouri Research Reactor, University of Missouri, Columbia, MO 65211, USA;
- Department of Veterinary Medicine and Surgery, University of Missouri, Columbia, MO 65211, USA
- Correspondence: ; Tel.: +1-(573)-884-7885
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Patil S, Testarelli L. Assessment of Growth Factors, Cytokines, and Cellular Markers in Saliva of Patients with Trigeminal Neuralgia. Molecules 2021; 26:molecules26102964. [PMID: 34067581 PMCID: PMC8157075 DOI: 10.3390/molecules26102964] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Revised: 05/13/2021] [Accepted: 05/14/2021] [Indexed: 11/16/2022] Open
Abstract
We proposed to perform a comparative analysis of growth factors, cytokines, and chemokine receptors on the salivary cells in the saliva obtained from trigeminal neuralgia (TN) and normal subjects. Saliva was collected from TN and healthy subjects. Salivary cells were isolated by centrifugation. The expression of the cell surface marker was analyzed by flow cytometry. A cytometric bead array was done to measure the levels of cytokines and growth factors on the flow cytometer. Saliva from TN subjects showed lower growth factor levels of Angiopoietin-2, bFGF, HGF, SCF, TGF-α, and VEGF and higher cytokine levels of IL-1β, TNF-α, CCL2, IL-17A, IL-6, and CXCL8, as well as higher expression levels of chemokine receptors CCR1 (CD191), CR3 (CD11b), CCR2 (CD192), CXCR5 (CD185), and CCR5 (CD196) in the cells from TN saliva. A certain set of cytokines and growth factors in the saliva, as well as chemokine receptors on salivary cells, could be a useful tool in the diagnostics and prognostics of trigeminal neuralgia. Trigeminal neuralgia is one of the significant pathological conditions in the class of chronic diseases around the world. Many targeted approaches are being tried by various research groups to utilize the information of the inflammatory microenvironment to resolve the pathology of chronic TN.
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Affiliation(s)
- Shankargouda Patil
- Department of Maxillofacial Surgery and Diagnostic Sciences, Division of Oral Pathology, College of Dentistry, Jazan University, Jazan 45142, Saudi Arabia
- Correspondence:
| | - Luca Testarelli
- Department of Oral and Maxillo Facial Sciences, Sapienza University of Rome, 00185 Rome, Italy;
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Chou PH, Chee A, Shi P, Lin CL, Zhao Y, Zhang L, An HS. Small molecule antagonist of C-C chemokine receptor 1 (CCR1) reduces disc inflammation in the rabbit model. Spine J 2020; 20:2025-2036. [PMID: 32673730 DOI: 10.1016/j.spinee.2020.07.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 06/22/2020] [Accepted: 07/08/2020] [Indexed: 02/03/2023]
Abstract
BACKGROUND CONTEXT Targeting chemokines or chemokine receptors is a promising treatment strategy for diseases with chronic inflammation such as rheumatoid arthritis and discogenic pain. Identifying specific molecules and determining their effectiveness in animal models are the first steps in developing these treatments. Macrophage markers have been detected in the intervertebral disc tissues of patients with disc degenerative disease and discogenic pain and in different animal models. Macrophage recruitment into the disc may play a role in initiation of inflammation and if unresolved may lead to chronic inflammation and subsequent back pain. PURPOSE The objectives of these studies are to (1) identify chemokine receptor antagonists that can block macrophage migration induced by disc cells in vitro and (2) determine if intradiscal treatment with these antagonists can reduce disc inflammation and degeneration in vivo. STUDY DESIGN In vitro migration assays were used to test effectiveness of chemokine receptor antagonists to block macrophage migration induced by disc cells. The rabbit annular puncture model was used to test for anti-inflammatory and regenerative effects of chemokine receptor antagonist treatment in vivo. METHODS In vitro - THP-1 human monocytic cell line and freshly isolated rabbit primary splenocytes were assayed for migration using 3 µm Corning Transwell inserts with conditioned media of interleukin (IL)-1β treated human or rabbit disc cells. Inhibition of macrophage migration was evaluated using different concentrations of small molecule antagonists of C-C chemokine receptor (CCR)1 and CCR2. In vivo - New Zealand White rabbits (n=40) underwent disc puncture and intradiscal treatment with saline, CCR1 or CCR2 antagonists within the same procedure. X-ray and magnetic resonance (MR) images and serum samples were taken for disc height, MRI grade and IL-8 serum level analyses. Intervertebral discs were isolated for RNA analysis of inflammatory and disc phenotypic markers and for immunohistochemical analysis of macrophage marker, RAM11. The outcome measures were compared between the three treatment groups. These studies were funded by a research grant from AO Foundation, Switzerland (Project no S-14-86A; 120000 CHF). CCR1 and CCR2 antagonists were kindly provided by ChemoCentryx (Mountain View, CA). RESULTS In vitro migration assays showed that THP-1 migration induced by disc cells was blocked by CCR2 antagonist more effectively than CCR1 antagonist, while rabbit splenocyte migration was inhibited by CCR1 antagonist and not the other. In the rabbit annular puncture model, rabbit discs treated with CCR1 antagonist had significantly better MRI grades than those treated with CCR2 antagonist at 6 weeks post-treatment. Gene expression studies demonstrate that discs treated with CCR1 or CCR2 antagonists expressed less inflammatory markers than saline-treated discs at 3 weeks post-treatment. Although CCR2 antagonist treatment did not reduce inflammatory marker expression at 6 weeks, discs treated with CCR1 antagonist expressed less inflammatory markers and also a higher ratio of collagen type 2 to collagen type 1 genes indicating favorable disc matrix production. There were no significant differences between all three treatment groups in regards to disc height indexes, IL-8 serum levels or macrophage marker detection. CONCLUSIONS These studies have identified that small molecule antagonists against CCR2 and CCR1 were respectively effective in blocking THP-1 and rabbit splenocyte migration induced by disc cells in vitro. Further, both CCR2 and CCR1 antagonist intradiscal treatments were effective in reducing disc inflammation at an early time point of 3 weeks. Lastly, only CCR1 antagonist demonstrated anti-inflammatory effects and better MRI grades at 6 weeks. CLINICAL SIGNIFICANCE Our preclinical studies demonstrate that CCR1 and CCR2 antagonist delivery through intradiscal injection is sufficient to reduce disc inflammation at early time points, whereas CCR1 antagonists had longer term anti-inflammatory effects. Clinical studies have found that CCR1 antagonist was safe, tolerable and clinically active in reducing inflammation in rheumatoid arthritis patients. These studies suggest that CCR1 antagonist may be a promising biological treatment to reduce disc inflammation that translates to back pain relief.
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Affiliation(s)
- Po-Hsin Chou
- Department of Orthopedic Surgery, Rush University Medical Center, 1611 W Harrison Street, Suite 300, Chicago, IL 60612, USA; Department of Orthopedic and Traumatology, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd, Beitou District, Taipei City, Taiwan 11217, ROC; School of Medicine, National Yang-Ming University, No.155, Sec. 2, Linong St, Beitou District, Taipei City, Taiwan 112, ROC
| | - Ana Chee
- Department of Orthopedic Surgery, Rush University Medical Center, 1611 W Harrison Street, Suite 300, Chicago, IL 60612, USA
| | - Peng Shi
- Department of Orthopedic Surgery, Rush University Medical Center, 1611 W Harrison Street, Suite 300, Chicago, IL 60612, USA; Tufts University School of Dental Medicine, 1 Kneeland St, Boston, MA 02111, USA
| | - Cheng-Li Lin
- Department of Orthopedic Surgery, Rush University Medical Center, 1611 W Harrison Street, Suite 300, Chicago, IL 60612, USA; Department of Orthopedic Surgery, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, No.138, Sheng-Li Rd, 70428, Tainan City, Taiwan 704, ROC
| | - Yibo Zhao
- Department of Orthopedic Surgery, Rush University Medical Center, 1611 W Harrison Street, Suite 300, Chicago, IL 60612, USA; Department of Orthopedics, The Second Hospital of Shanxi Medical University, No. 382, Wuyi Rd, Taiyuan, Shanxi, 030001 China
| | - Li Zhang
- Department of Orthopedic Surgery, Rush University Medical Center, 1611 W Harrison Street, Suite 300, Chicago, IL 60612, USA; Department of Orthopedics, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, No. 99, Longcheng St, Taiyuan, Shanxi, 030032 China
| | - Howard S An
- Department of Orthopedic Surgery, Rush University Medical Center, 1611 W Harrison Street, Suite 300, Chicago, IL 60612, USA.
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Pawlik K, Piotrowska A, Kwiatkowski K, Ciapała K, Popiolek‐Barczyk K, Makuch W, Mika J. The blockade of CC chemokine receptor type 1 influences the level of nociceptive factors and enhances opioid analgesic potency in a rat model of neuropathic pain. Immunology 2020; 159:413-428. [PMID: 31919846 PMCID: PMC7078003 DOI: 10.1111/imm.13172] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 12/19/2019] [Accepted: 01/07/2020] [Indexed: 12/15/2022] Open
Abstract
A growing body of evidence has indicated that the release of nociceptive factors, such as interleukins and chemokines, by activated immune and glial cells has crucial significance for neuropathic pain generation and maintenance. Moreover, changes in the production of nociceptive immune factors are associated with low opioid efficacy in the treatment of neuropathy. Recently, it has been suggested that CC chemokine receptor type 1 (CCR1) signaling is important for nociception. Our study provides evidence that the development of hypersensitivity in rats following chronic constriction injury (CCI) of the sciatic nerve is associated with significant up-regulation of endogenous CCR1 ligands, namely, CCL2, CCL3, CCL4, CCL6, CCL7 and CCL9 in the spinal cord and CCL2, CCL6, CCL7 and CCL9 in dorsal root ganglia (DRG). We showed that single and repeated intrathecal administration of J113863 (an antagonist of CCR1) attenuated mechanical and thermal hypersensitivity. Moreover, repeated administration of a CCR1 antagonist enhanced the analgesic properties of morphine and buprenorphine after CCI. Simultaneously, repeated administration of J113863 reduced the protein levels of IBA-1 in the spinal cord and MPO and CD4 in the DRG and, as a consequence, the level of pronociceptive factors, such as interleukin-1β (IL-1β), IL-6 and IL-18. The data obtained provide evidence that CCR1 blockade reduces hypersensitivity and increases opioid-induced analgesia through the modulation of neuroimmune interactions.
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Affiliation(s)
- Katarzyna Pawlik
- Department of Pain PharmacologyMaj Institute of PharmacologyPolish Academy of SciencesKrakowPoland
| | - Anna Piotrowska
- Department of Pain PharmacologyMaj Institute of PharmacologyPolish Academy of SciencesKrakowPoland
| | - Klaudia Kwiatkowski
- Department of Pain PharmacologyMaj Institute of PharmacologyPolish Academy of SciencesKrakowPoland
| | - Katarzyna Ciapała
- Department of Pain PharmacologyMaj Institute of PharmacologyPolish Academy of SciencesKrakowPoland
| | | | - Wioletta Makuch
- Department of Pain PharmacologyMaj Institute of PharmacologyPolish Academy of SciencesKrakowPoland
| | - Joanna Mika
- Department of Pain PharmacologyMaj Institute of PharmacologyPolish Academy of SciencesKrakowPoland
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Jin H, Zhang C, Sun C, Zhao X, Tian D, Shi W, Tian Y, Liu K, Sun G, Xu H, Zhang D. OX40 expression in neutrophils promotes hepatic ischemia/reperfusion injury. JCI Insight 2019; 4:129736. [PMID: 31672934 DOI: 10.1172/jci.insight.129736] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Accepted: 09/20/2019] [Indexed: 12/19/2022] Open
Abstract
Neutrophils play critical roles during the initial phase of hepatic ischemia/reperfusion injury (HIRI). However, the regulation of neutrophil activation, infiltration, and proinflammatory cytokine secretion has not been fully elucidated. In this study, we revealed that OX40 was expressed by neutrophils, its expression in neutrophils was time-dependently upregulated following HIRI, and Ox40 knockout markedly alleviated liver injury. Compared with wild-type neutrophils, the adoptive transfer of Ox40-/- neutrophils decreased HIRI in neutrophil-depleted Rag2/Il2rg-/- or Ox40-/- mice. Moreover, consistently, the in vitro experiments showed that Ox40 not only prolonged neutrophil survival but also promoted proinflammatory cytokines, ROS production, and even neutrophil chemotaxis. Further investigation demonstrated that the knockout of Ox40 in neutrophils inhibited NF-κB signaling via the TRAF1/2/4 and IKKα/IKKβ/IκBα pathways. OX40L and OX86 stimulation could enhance neutrophil activation and survival in vitro and in vivo. In conclusion, our study provides a new understanding of OX40, which is expressed not only in adaptive immune cells but also in innate immune cells, i.e., neutrophils, contributing to the activation and survival of neutrophils. These findings provide a novel potential therapeutic target for the prevention of HIRI during liver transplantation or hepatic surgery.
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Affiliation(s)
- Hua Jin
- General Surgery Department and.,Experimental and Translational Research Center, Beijing Friendship Hospital, Capital Medical University, Beijing, China.,Beijing Clinical Research Institute, Beijing, China.,Beijing Key Laboratory of Tolerance Induction and Organ Protection in Transplantation, Beijing, China
| | - Chunpan Zhang
- Experimental and Translational Research Center, Beijing Friendship Hospital, Capital Medical University, Beijing, China.,Beijing Clinical Research Institute, Beijing, China.,Beijing Key Laboratory of Tolerance Induction and Organ Protection in Transplantation, Beijing, China
| | - Chengyang Sun
- Experimental and Translational Research Center, Beijing Friendship Hospital, Capital Medical University, Beijing, China.,Beijing Clinical Research Institute, Beijing, China.,Beijing Key Laboratory of Tolerance Induction and Organ Protection in Transplantation, Beijing, China
| | - Xinyan Zhao
- National Clinical Research Center for Digestive Diseases, Beijing, China
| | - Dan Tian
- General Surgery Department and.,Experimental and Translational Research Center, Beijing Friendship Hospital, Capital Medical University, Beijing, China.,Beijing Clinical Research Institute, Beijing, China.,Beijing Key Laboratory of Tolerance Induction and Organ Protection in Transplantation, Beijing, China
| | - Wen Shi
- General Surgery Department and.,Experimental and Translational Research Center, Beijing Friendship Hospital, Capital Medical University, Beijing, China.,Beijing Clinical Research Institute, Beijing, China.,Beijing Key Laboratory of Tolerance Induction and Organ Protection in Transplantation, Beijing, China
| | - Yue Tian
- Experimental and Translational Research Center, Beijing Friendship Hospital, Capital Medical University, Beijing, China.,Beijing Clinical Research Institute, Beijing, China.,Beijing Key Laboratory of Tolerance Induction and Organ Protection in Transplantation, Beijing, China
| | - Kai Liu
- Experimental and Translational Research Center, Beijing Friendship Hospital, Capital Medical University, Beijing, China.,Beijing Clinical Research Institute, Beijing, China.,Beijing Key Laboratory of Tolerance Induction and Organ Protection in Transplantation, Beijing, China
| | - Guangyong Sun
- General Surgery Department and.,Experimental and Translational Research Center, Beijing Friendship Hospital, Capital Medical University, Beijing, China.,Beijing Clinical Research Institute, Beijing, China.,Beijing Key Laboratory of Tolerance Induction and Organ Protection in Transplantation, Beijing, China
| | - Hufeng Xu
- Experimental and Translational Research Center, Beijing Friendship Hospital, Capital Medical University, Beijing, China.,Beijing Clinical Research Institute, Beijing, China.,Beijing Key Laboratory of Tolerance Induction and Organ Protection in Transplantation, Beijing, China
| | - Dong Zhang
- General Surgery Department and.,Experimental and Translational Research Center, Beijing Friendship Hospital, Capital Medical University, Beijing, China.,Beijing Clinical Research Institute, Beijing, China.,Beijing Key Laboratory of Tolerance Induction and Organ Protection in Transplantation, Beijing, China.,National Clinical Research Center for Digestive Diseases, Beijing, China
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Sahley TL, Anderson DJ, Hammonds MD, Chandu K, Musiek FE. Evidence for a dynorphin-mediated inner ear immune/inflammatory response and glutamate-induced neural excitotoxicity: an updated analysis. J Neurophysiol 2019; 122:1421-1460. [DOI: 10.1152/jn.00595.2018] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Acoustic overstimulation (AOS) is defined as the stressful overexposure to high-intensity sounds. AOS is a precipitating factor that leads to a glutamate (GLU)-induced Type I auditory neural excitotoxicity and an activation of an immune/inflammatory/oxidative stress response within the inner ear, often resulting in cochlear hearing loss. The dendrites of the Type I auditory neural neurons that innervate the inner hair cells (IHCs), and respond to the IHC release of the excitatory neurotransmitter GLU, are themselves directly innervated by the dynorphin (DYN)-bearing axon terminals of the descending brain stem lateral olivocochlear (LOC) system. DYNs are known to increase GLU availability, potentiate GLU excitotoxicity, and induce superoxide production. DYNs also increase the production of proinflammatory cytokines by modulating immune/inflammatory signal transduction pathways. Evidence is provided supporting the possibility that the GLU-mediated Type I auditory neural dendritic swelling, inflammation, excitotoxicity, and cochlear hearing loss that follow AOS may be part of a brain stem-activated, DYN-mediated cascade of inflammatory events subsequent to a LOC release of DYNs into the cochlea. In support of a DYN-mediated cascade of events are established investigations linking DYNs to the immune/inflammatory/excitotoxic response in other neural systems.
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Affiliation(s)
- Tony L. Sahley
- Department of Biological, Geological, and Environmental Sciences, Cleveland State University, Cleveland, Ohio
- School of Health Sciences, Cleveland State University, Cleveland, Ohio
| | - David J. Anderson
- Department of Chemistry, Cleveland State University, Cleveland, Ohio
| | | | - Karthik Chandu
- Department of Chemistry, Cleveland State University, Cleveland, Ohio
| | - Frank E. Musiek
- Department of Speech, Language, and Hearing Sciences, University of Arizona, Tucson, Arizona
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Llorián-Salvador M, González-Rodríguez S, Lastra A, Fernández-García MT, Hidalgo A, Menéndez L, Baamonde A. Involvement of CC Chemokine Receptor 1 and CCL3 in Acute and Chronic Inflammatory Pain in Mice. Basic Clin Pharmacol Toxicol 2016; 119:32-40. [DOI: 10.1111/bcpt.12543] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2015] [Accepted: 12/06/2015] [Indexed: 12/22/2022]
Affiliation(s)
- María Llorián-Salvador
- Laboratory of Pharmacology; School of Medicine; University Institute of Oncology of Asturias (IUOPA); University of Oviedo; Asturias Spain
| | - Sara González-Rodríguez
- Laboratory of Pharmacology; School of Medicine; University Institute of Oncology of Asturias (IUOPA); University of Oviedo; Asturias Spain
| | - Ana Lastra
- Laboratory of Pharmacology; School of Medicine; University Institute of Oncology of Asturias (IUOPA); University of Oviedo; Asturias Spain
| | | | - Agustín Hidalgo
- Laboratory of Pharmacology; School of Medicine; University Institute of Oncology of Asturias (IUOPA); University of Oviedo; Asturias Spain
| | - Luis Menéndez
- Laboratory of Pharmacology; School of Medicine; University Institute of Oncology of Asturias (IUOPA); University of Oviedo; Asturias Spain
| | - Ana Baamonde
- Laboratory of Pharmacology; School of Medicine; University Institute of Oncology of Asturias (IUOPA); University of Oviedo; Asturias Spain
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11
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So K, Haraguchi K, Asakura K, Isami K, Sakimoto S, Shirakawa H, Mori Y, Nakagawa T, Kaneko S. Involvement of TRPM2 in a wide range of inflammatory and neuropathic pain mouse models. J Pharmacol Sci 2015; 127:237-43. [DOI: 10.1016/j.jphs.2014.10.003] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2014] [Revised: 10/16/2014] [Accepted: 10/23/2014] [Indexed: 02/08/2023] Open
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