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Starinets A, Tyrtyshnaia A, Manzhulo I. Anti-Inflammatory Activity of Synaptamide in the Peripheral Nervous System in a Model of Sciatic Nerve Injury. Int J Mol Sci 2023; 24:ijms24076273. [PMID: 37047247 PMCID: PMC10093792 DOI: 10.3390/ijms24076273] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 03/22/2023] [Accepted: 03/25/2023] [Indexed: 03/29/2023] Open
Abstract
N-docosahexaenoylethanolamine (DHEA), or synaptamide, is an endogenous metabolite of docosahexaenoic acid (DHA) that exhibits synaptogenic and neurogenic effects. In our previous studies, synaptamide administration inhibited the neuropathic pain-like behavior and reduced inflammation in the central nervous system following sciatic nerve injury. In the present study, we examine the effect of synaptamide on the peripheral nervous system in a neuropathic pain condition. The dynamics of ionized calcium-binding adapter molecule 1 (iba-1), CD68, CD163, myelin basic protein, and the production of interleukin 1β and 6 within the sciatic nerve, as well as the neuro-glial index and the activity of iba-1, CD163, glial fibrillary acidic protein (GFAP), neuronal NO synthase (nNOS), substance P (SP), activating transcription factor 3 (ATF3) in the dorsal root ganglia (DRG), are studied. According to our results, synaptamide treatment (4 mg/kg/day) (1) decreases the weight-bearing deficit after nerve trauma; (2) enhances the remyelination process in the sciatic nerve; (3) shows anti-inflammatory properties in the peripheral nervous system; (4) decreases the neuro-glial index and GFAP immunoreactivity in the DRG; (5) inhibits nNOS- and SP-ergic activity in the DRG, which might contribute to neuropathic pain attenuation. In general, the current study demonstrates the complex effect of synaptamide on nerve injury, which indicates its high potential for neuropathic pain management.
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Zhu Z, Bhatia M. Inflammation and Organ Injury the Role of Substance P and Its Receptors. Int J Mol Sci 2023; 24:ijms24076140. [PMID: 37047113 PMCID: PMC10094202 DOI: 10.3390/ijms24076140] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 03/17/2023] [Accepted: 03/22/2023] [Indexed: 04/14/2023] Open
Abstract
Tightly controlled inflammation is an indispensable mechanism in the maintenance of cellular and organismal homeostasis in living organisms. However, aberrant inflammation is detrimental and has been suggested as a key contributor to organ injury with different etiologies. Substance P (SP) is a neuropeptide with a robust effect on inflammation. The proinflammatory effects of SP are achieved by activating its functional receptors, namely the neurokinin 1 receptor (NK1R) receptor and mas-related G protein-coupled receptors X member 2 (MRGPRX2) and its murine homolog MRGPRB2. Upon activation, the receptors further signal to several cellular signaling pathways involved in the onset, development, and progression of inflammation. Therefore, excessive SP-NK1R or SP-MRGPRX2/B2 signals have been implicated in the pathogenesis of inflammation-associated organ injury. In this review, we summarize our current knowledge of SP and its receptors and the emerging roles of the SP-NK1R system and the SP-MRGPRX2/B2 system in inflammation and injury in multiple organs resulting from different pathologies. We also briefly discuss the prospect of developing a therapeutic strategy for inflammatory organ injury by disrupting the proinflammatory actions of SP via pharmacological intervention.
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Affiliation(s)
- Zhixing Zhu
- Department of Pathology and Biomedical Science, University of Otago, Christchurch 8140, New Zealand
| | - Madhav Bhatia
- Department of Pathology and Biomedical Science, University of Otago, Christchurch 8140, New Zealand
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53
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Boivin JC, Zhu J, Ohyama T. Nociception in fruit fly larvae. FRONTIERS IN PAIN RESEARCH 2023; 4:1076017. [PMID: 37006412 PMCID: PMC10063880 DOI: 10.3389/fpain.2023.1076017] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 02/28/2023] [Indexed: 03/19/2023] Open
Abstract
Nociception, the process of encoding and processing noxious or painful stimuli, allows animals to detect and avoid or escape from potentially life-threatening stimuli. Here, we provide a brief overview of recent technical developments and studies that have advanced our understanding of the Drosophila larval nociceptive circuit and demonstrated its potential as a model system to elucidate the mechanistic basis of nociception. The nervous system of a Drosophila larva contains roughly 15,000 neurons, which allows for reconstructing the connectivity among them directly by transmission electron microscopy. In addition, the availability of genetic tools for manipulating the activity of individual neurons and recent advances in computational and high-throughput behavior analysis methods have facilitated the identification of a neural circuit underlying a characteristic nocifensive behavior. We also discuss how neuromodulators may play a key role in modulating the nociceptive circuit and behavioral output. A detailed understanding of the structure and function of Drosophila larval nociceptive neural circuit could provide insights into the organization and operation of pain circuits in mammals and generate new knowledge to advance the development of treatment options for pain in humans.
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Affiliation(s)
- Jean-Christophe Boivin
- Department of Biology, McGill University, Montreal, QC, Canada
- Integrated Program in Neuroscience, McGill University, Montreal, QC, Canada
| | - Jiayi Zhu
- Department of Biology, McGill University, Montreal, QC, Canada
- Integrated Program in Neuroscience, McGill University, Montreal, QC, Canada
| | - Tomoko Ohyama
- Department of Biology, McGill University, Montreal, QC, Canada
- Alan Edwards Centre for Research on Pain, McGill University, Montreal, QC, Canada
- Correspondence: Tomoko Ohyama
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Lauritano D, Mastrangelo F, D’Ovidio C, Ronconi G, Caraffa A, Gallenga CE, Frydas I, Kritas SK, Trimarchi M, Carinci F, Conti P. Activation of Mast Cells by Neuropeptides: The Role of Pro-Inflammatory and Anti-Inflammatory Cytokines. Int J Mol Sci 2023; 24:ijms24054811. [PMID: 36902240 PMCID: PMC10002992 DOI: 10.3390/ijms24054811] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 02/24/2023] [Accepted: 02/28/2023] [Indexed: 03/06/2023] Open
Abstract
Mast cells (MCs) are tissue cells that are derived from bone marrow stem cells that contribute to allergic reactions, inflammatory diseases, innate and adaptive immunity, autoimmunity, and mental disorders. MCs located near the meninges communicate with microglia through the production of mediators such as histamine and tryptase, but also through the secretion of IL-1, IL-6 and TNF, which can create pathological effects in the brain. Preformed chemical mediators of inflammation and tumor necrosis factor (TNF) are rapidly released from the granules of MCs, the only immune cells capable of storing the cytokine TNF, although it can also be produced later through mRNA. The role of MCs in nervous system diseases has been extensively studied and reported in the scientific literature; it is of great clinical interest. However, many of the published articles concern studies on animals (mainly rats or mice) and not on humans. MCs are known to interact with neuropeptides that mediate endothelial cell activation, resulting in central nervous system (CNS) inflammatory disorders. In the brain, MCs interact with neurons causing neuronal excitation with the production of neuropeptides and the release of inflammatory mediators such as cytokines and chemokines. This article explores the current understanding of MC activation by neuropeptide substance P (SP), corticotropin-releasing hormone (CRH), and neurotensin, and the role of pro-inflammatory cytokines, suggesting a therapeutic effect of the anti-inflammatory cytokines IL-37 and IL-38.
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Affiliation(s)
- Dorina Lauritano
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy
| | - Filiberto Mastrangelo
- Department of Clinical and Experimental Medicine, School of Dentistry, University of Foggia, 71100 Foggia, Italy
| | - Cristian D’Ovidio
- Section of Legal Medicine, Department of Medicine and Aging Sciences, G. d’Annunzio University of Chieti-Pescara, 66100 Chieti, Italy
| | - Gianpaolo Ronconi
- Clinica dei Pazienti del Territorio, Fondazione Policlinico Gemelli, 00185 Rome, Italy
| | | | - Carla E. Gallenga
- Section of Ophthalmology, Department of Biomedical Sciences and Specialist Surgery, University of Ferrara, 44121 Ferrara, Italy
| | - Ilias Frydas
- Department of Parasitology, Aristotle University, 54124 Thessaloniki, Greece
| | - Spyros K. Kritas
- Department of Microbiology and Infectious Diseases, School of Veterinary Medicine, Aristotle University of Thessaloniki, 54124 Macedonia, Greece
| | - Matteo Trimarchi
- Centre of Neuroscience of Milan, Department of Medicine and Surgery, University of Milan, 20122 Milano, Italy
| | - Francesco Carinci
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, 44121 Ferrara, Italy
| | - Pio Conti
- Immunology Division, Postgraduate Medical School, University of Chieti, 66100 Chieti, Italy
- Correspondence:
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Hidese S, Yoshida F, Ishida I, Matsuo J, Hattori K, Kunugi H. Plasma neuropeptide levels in patients with schizophrenia, bipolar disorder, or major depressive disorder and healthy controls: A multiplex immunoassay study. Neuropsychopharmacol Rep 2023; 43:57-68. [PMID: 36414415 PMCID: PMC10009433 DOI: 10.1002/npr2.12304] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 10/27/2022] [Accepted: 11/10/2022] [Indexed: 11/24/2022] Open
Abstract
AIM We aimed to compare neuropeptide levels between patients with major psychiatric disorders and healthy controls and examine their association with symptoms and cognitive function. METHODS The participants were 149 patients with schizophrenia, 115 patients with bipolar disorder (BD), 186 unremitted patients with major depressive disorder (MDD), and 350 healthy controls. Psychiatric (schizophrenic, manic, and depressive) symptoms, sleep state, and cognitive (premorbid intelligence quotient, general cognitive, and memory) functions were evaluated. A multiplex immunoassay kit was used to measure cerebrospinal fluid (CSF) and plasma α-melanocyte-stimulating hormone (MSH), β-endorphin, neurotensin, oxytocin, and substance P levels. RESULTS The verification assay revealed that CSF α-MSH, β-endorphin, neurotensin, oxytocin, and substance P levels were too low to be reliably measured, while plasma α-MSH, β-endorphin, neurotensin, oxytocin, and substance P levels could be successfully measured. Plasma α-MSH, β-endorphin, neurotensin, oxytocin, and substance P levels were not significantly different between patients with schizophrenia, BD, or MDD and healthy controls. Plasma α-MSH, β-endorphin, neurotensin, oxytocin, and substance P levels were not significantly correlated with psychiatric symptom scores in patients with schizophrenia, BD, or MDD and cognitive function scores in patients or healthy controls. CONCLUSION Our data suggest that plasma neuropeptide levels do not elucidate the involvement of neuropeptides in the pathology of schizophrenia, BD, or MDD.
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Affiliation(s)
- Shinsuke Hidese
- Department of Psychiatry, Teikyo University School of Medicine, Itabashi-ku, Japan.,Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Fuyuko Yoshida
- Department of Behavioral Medicine, National Institute of Mental Health, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Ikki Ishida
- Department of Psychiatry, Teikyo University School of Medicine, Itabashi-ku, Japan.,Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Junko Matsuo
- Department of Psychiatry, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Kotaro Hattori
- Medical Genome Center, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Hiroshi Kunugi
- Department of Psychiatry, Teikyo University School of Medicine, Itabashi-ku, Japan.,Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Kodaira, Japan
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Di Maio G, Villano I, Ilardi CR, Messina A, Monda V, Iodice AC, Porro C, Panaro MA, Chieffi S, Messina G, Monda M, La Marra M. Mechanisms of Transmission and Processing of Pain: A Narrative Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:3064. [PMID: 36833753 PMCID: PMC9964506 DOI: 10.3390/ijerph20043064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 01/27/2023] [Accepted: 02/07/2023] [Indexed: 06/18/2023]
Abstract
Knowledge about the mechanisms of transmission and the processing of nociceptive information, both in healthy and pathological states, has greatly expanded in recent years. This rapid progress is due to a multidisciplinary approach involving the simultaneous use of different branches of study, such as systems neurobiology, behavioral analysis, genetics, and cell and molecular techniques. This narrative review aims to clarify the mechanisms of transmission and the processing of pain while also taking into account the characteristics and properties of nociceptors and how the immune system influences pain perception. Moreover, several important aspects of this crucial theme of human life will be discussed. Nociceptor neurons and the immune system play a key role in pain and inflammation. The interactions between the immune system and nociceptors occur within peripheral sites of injury and the central nervous system. The modulation of nociceptor activity or chemical mediators may provide promising novel approaches to the treatment of pain and chronic inflammatory disease. The sensory nervous system is fundamental in the modulation of the host's protective response, and understanding its interactions is pivotal in the process of revealing new strategies for the treatment of pain.
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Affiliation(s)
- Girolamo Di Maio
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
| | - Ines Villano
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
| | - Ciro Rosario Ilardi
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
- Department of Psychology, University of Campania “Luigi Vanvitelli”, 81100 Caserta, Italy
| | - Antonietta Messina
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
| | - Vincenzo Monda
- Department of Movement Sciences and Wellbeing, University of Naples “Parthenope”, 80133 Naples, Italy
| | - Ashlei Clara Iodice
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
| | - Chiara Porro
- Department of Clinical and Experimental Medicine, University of Foggia, Viale Pinto, 71100 Foggia, Italy
| | - Maria Antonietta Panaro
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari, 70125 Bari, Italy
| | - Sergio Chieffi
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
| | - Giovanni Messina
- Department of Clinical and Experimental Medicine, University of Foggia, Viale Pinto, 71100 Foggia, Italy
| | - Marcellino Monda
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
| | - Marco La Marra
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
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Cuitavi J, Torres-Pérez JV, Lorente JD, Campos-Jurado Y, Andrés-Herrera P, Polache A, Agustín-Pavón C, Hipólito L. Crosstalk between Mu-Opioid receptors and neuroinflammation: Consequences for drug addiction and pain. Neurosci Biobehav Rev 2023; 145:105011. [PMID: 36565942 DOI: 10.1016/j.neubiorev.2022.105011] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 11/29/2022] [Accepted: 12/18/2022] [Indexed: 12/24/2022]
Abstract
Mu-Opioid Receptors (MORs) are well-known for participating in analgesia, sedation, drug addiction, and other physiological functions. Although MORs have been related to neuroinflammation their biological mechanism remains unclear. It is suggested that MORs work alongside Toll-Like Receptors to enhance the release of pro-inflammatory mediators and cytokines during pathological conditions. Some cytokines, including TNF-α, IL-1β and IL-6, have been postulated to regulate MORs levels by both avoiding MOR recycling and enhancing its production. In addition, Neurokinin-1 Receptor, also affected during neuroinflammation, could be regulating MOR trafficking. Therefore, inflammation in the central nervous system seems to be associated with altered/increased MORs expression, which might regulate harmful processes, such as drug addiction and pain. Here, we provide a critical evaluation on MORs' role during neuroinflammation and its implication for these conditions. Understanding MORs' functioning, their regulation and implications on drug addiction and pain may help elucidate their potential therapeutic use against these pathological conditions and associated disorders.
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Affiliation(s)
- Javier Cuitavi
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, University of Valencia, Avda. Vicent Andrés Estellés s/n., 46100 Burjassot, Spain.
| | - Jose Vicente Torres-Pérez
- Department of Cellular Biology, Functional Biology and Physical Anthropology, University of Valencia, Avda. Vicent Andrés Estellés s/n., 46100 Burjassot, Spain
| | - Jesús David Lorente
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, University of Valencia, Avda. Vicent Andrés Estellés s/n., 46100 Burjassot, Spain
| | - Yolanda Campos-Jurado
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, University of Valencia, Avda. Vicent Andrés Estellés s/n., 46100 Burjassot, Spain
| | - Paula Andrés-Herrera
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, University of Valencia, Avda. Vicent Andrés Estellés s/n., 46100 Burjassot, Spain
| | - Ana Polache
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, University of Valencia, Avda. Vicent Andrés Estellés s/n., 46100 Burjassot, Spain
| | - Carmen Agustín-Pavón
- Department of Cellular Biology, Functional Biology and Physical Anthropology, University of Valencia, Avda. Vicent Andrés Estellés s/n., 46100 Burjassot, Spain
| | - Lucía Hipólito
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, University of Valencia, Avda. Vicent Andrés Estellés s/n., 46100 Burjassot, Spain.
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Zhang WW, Chen T, Li SY, Wang XY, Liu WB, Wang YQ, Mi WL, Mao-Ying QL, Wang YQ, Chu YX. Tachykinin receptor 3 in the lateral habenula alleviates pain and anxiety comorbidity in mice. Front Immunol 2023; 14:1049739. [PMID: 36756128 PMCID: PMC9900122 DOI: 10.3389/fimmu.2023.1049739] [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: 09/21/2022] [Accepted: 01/09/2023] [Indexed: 01/24/2023] Open
Abstract
The coexistence of chronic pain and anxiety is a common clinical phenomenon. Here, the role of tachykinin receptor 3 (NK3R) in the lateral habenula (LHb) in trigeminal neuralgia and in pain-associated anxiety was systematically investigated. First, electrophysiological recording showed that bilateral LHb neurons are hyperactive in a mouse model of trigeminal neuralgia made by partial transection of the infraorbital nerve (pT-ION). Chemicogenetic activation of bilateral LHb glutamatergic neurons in naive mice induced orofacial allodynia and anxiety-like behaviors, and pharmacological activation of NK3R in the LHb attenuated allodynia and anxiety-like behaviors induced by pT-ION. Electrophysiological recording showed that pharmacological activation of NK3R suppressed the abnormal excitation of LHb neurons. In parallel, pharmacological inhibition of NK3R induced orofacial allodynia and anxiety-like behavior in naive mice. The electrophysiological recording showed that pharmacological inhibition of NK3R activates LHb neurons. Neurokinin B (NKB) is an endogenous high-affinity ligand of NK3R, which binds NK3R and activates it to perform physiological functions, and further neuron projection tracing showed that the front section of the periaqueductal gray (fPAG) projects NKB-positive nerve fibers to the LHb. Optogenetics combined with electrophysiology recordings characterize the functional connections in this fPAG NKB → LHb pathway. In addition, electrophysiological recording showed that NKB-positive neurons in the fPAG were more active than NKB-negative neurons in pT-ION mice. Finally, inhibition of NKB release from the fPAG reversed the analgesic and anxiolytic effects of LHb Tacr3 overexpression in pT-ION mice, indicating that fPAG NKB → LHb regulates orofacial allodynia and pain-induced anxious behaviors. These findings for NK3R suggest the cellular mechanism behind pT-ION in the LHb and suggest that the fPAG NKB → LHb circuit is involved in pain and anxiety comorbidity. This previously unrecognized pathway might provide a potential approach for relieving the pain and anxiety associated with trigeminal neuralgia by targeting NK3R.
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Affiliation(s)
- Wen-Wen Zhang
- Department of Integrative Medicine and Neurobiology, School of Basic Medical Sciences, Shanghai Medical College, Institutes of Integrative Medicine, Fudan University, Shanghai, China
| | - Teng Chen
- Department of Integrative Medicine and Neurobiology, School of Basic Medical Sciences, Shanghai Medical College, Institutes of Integrative Medicine, Fudan University, Shanghai, China
| | - Shi-Yi Li
- Department of Integrative Medicine and Neurobiology, School of Basic Medical Sciences, Shanghai Medical College, Institutes of Integrative Medicine, Fudan University, Shanghai, China
| | - Xin-Yue Wang
- Department of Integrative Medicine and Neurobiology, School of Basic Medical Sciences, Shanghai Medical College, Institutes of Integrative Medicine, Fudan University, Shanghai, China
| | - Wen-Bo Liu
- Department of Integrative Medicine and Neurobiology, School of Basic Medical Sciences, Shanghai Medical College, Institutes of Integrative Medicine, Fudan University, Shanghai, China
| | - Yu-Quan Wang
- Department of Integrative Medicine and Neurobiology, School of Basic Medical Sciences, Shanghai Medical College, Institutes of Integrative Medicine, Fudan University, Shanghai, China
| | - Wen-Li Mi
- Department of Integrative Medicine and Neurobiology, School of Basic Medical Sciences, Shanghai Medical College, Institutes of Integrative Medicine, Fudan University, Shanghai, China,Shanghai Key Laboratory of Acupuncture Mechanism and Acupoint Function, Institute of Acupuncture Research, Fudan University, Shanghai, China
| | - Qi-Liang Mao-Ying
- Department of Integrative Medicine and Neurobiology, School of Basic Medical Sciences, Shanghai Medical College, Institutes of Integrative Medicine, Fudan University, Shanghai, China,Shanghai Key Laboratory of Acupuncture Mechanism and Acupoint Function, Institute of Acupuncture Research, Fudan University, Shanghai, China
| | - Yan-Qing Wang
- Department of Integrative Medicine and Neurobiology, School of Basic Medical Sciences, Shanghai Medical College, Institutes of Integrative Medicine, Fudan University, Shanghai, China,Shanghai Key Laboratory of Acupuncture Mechanism and Acupoint Function, Institute of Acupuncture Research, Fudan University, Shanghai, China,State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, Fudan University, Shanghai, China,*Correspondence: Yu-Xia Chu, ; Yan-Qing Wang,
| | - Yu-Xia Chu
- Department of Integrative Medicine and Neurobiology, School of Basic Medical Sciences, Shanghai Medical College, Institutes of Integrative Medicine, Fudan University, Shanghai, China,Shanghai Key Laboratory of Acupuncture Mechanism and Acupoint Function, Institute of Acupuncture Research, Fudan University, Shanghai, China,*Correspondence: Yu-Xia Chu, ; Yan-Qing Wang,
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Cherukury HM, Argueta DA, Garcia N, Fouda R, Kiven S, Lei J, Sagi V, Velasco GJ, Avalos B, DiPatrizio NV, Gupta K. Cannabidiol attenuates hyperalgesia in a mouse model of sickle cell disease. Blood 2023; 141:203-208. [PMID: 36122382 PMCID: PMC9936305 DOI: 10.1182/blood.2022016382] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 08/17/2022] [Accepted: 09/04/2022] [Indexed: 01/17/2023] Open
Affiliation(s)
- Hemanth M. Cherukury
- Division of Hematology/Oncology, Department of Medicine, University of California, Irvine, Irvine, CA
| | - Donovan A. Argueta
- Division of Hematology/Oncology, Department of Medicine, University of California, Irvine, Irvine, CA
| | - Natalie Garcia
- Division of Hematology/Oncology, Department of Medicine, University of California, Irvine, Irvine, CA
| | - Raghda Fouda
- Division of Hematology/Oncology, Department of Medicine, University of California, Irvine, Irvine, CA
| | - Stacy Kiven
- Division of Hematology/Oncology, Department of Medicine, University of California, Irvine, Irvine, CA
| | - Jianxun Lei
- Division of Hematology, Oncology and Transplantation, Department of Medicine, University of Minnesota, Minneapolis, MN
| | - Varun Sagi
- Division of Hematology, Oncology and Transplantation, Department of Medicine, University of Minnesota, Minneapolis, MN
| | | | - Bryant Avalos
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, Riverside, CA
| | - Nicholas V. DiPatrizio
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, Riverside, CA
| | - Kalpna Gupta
- Division of Hematology/Oncology, Department of Medicine, University of California, Irvine, Irvine, CA
- Division of Hematology, Oncology and Transplantation, Department of Medicine, University of Minnesota, Minneapolis, MN
- Southern California Institute for Research and Education, VA Medical Center, Long Beach, CA
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Tokumoto M, Nakasa T, Shirakawa Y, Nekomoto A, Ikuta Y, Ishikawa M, Miyaki S, Adachi N. The role of substance P on maintaining ligament homeostasis by inhibiting endochondral ossification during osteoarthritis progression. Connect Tissue Res 2023; 64:82-92. [PMID: 35856812 DOI: 10.1080/03008207.2022.2099847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
PURPOSE Osteoarthritis (OA) is characterized by the degeneration of various tissues, including ligaments. However, pathological changes such as chondrogenesis and ossification in ligaments during OA are still unclear. Substance P (SP), a neuropeptide, has various functions including bone metabolism. This study aimed to analyze the expression and function of SP in OA ligaments, and the therapeutic potential of SP agonists in OA mice. MATERIALS AND METHODS Expressions of SP, SOX9, and MMP13 were histologically analyzed in the posterior cruciate ligament (PCL) in humans with OA and Senescence-accelerated mouse-prone 8 (SAMP8) mice as a spontaneous OA model. The effect of SP agonists on chondrogenesis was evaluated using human ligament cells. Finally, SP agonists were administered intraperitoneally to destabilized medial meniscus (DMM) mice, and the PCL was histologically evaluated. RESULTS In PCL of humans and mice, the expression of SP, SOX9, and MMP13 was upregulated as OA progressed, but their expression was downregulated in severe degeneration. SP and SOX9 were co-expressed in chondrocyte-like cells. In ligament cells, SP agonists downregulated SOX9, RUNX2, and COL10A1. On evaluating chondrogenesis in ligament cells, pellet diameter was reduced in those treated with the SP agonists compared to those untreated. Administration of SP agonists ameliorated PCL degeneration in DMM mice. The Osteoarthritis Research Society and ligament scores in mice with SP agonists were significantly lower than those without SP agonists. CONCLUSIONS SP plays an important role in maintaining ligament homeostasis by inhibiting endochondral ossification during OA progression. Targeting SP has therapeutic potential for preventing ligament degeneration.
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Affiliation(s)
- Maya Tokumoto
- Department of Orthopaedic Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Tomoyuki Nakasa
- Department of Orthopaedic Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan.,Medical Center for Translational and Clinical Research, Hiroshima University Hospital, Hiroshima, Japan
| | - Yoshiko Shirakawa
- Department of Orthopaedic Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Akinori Nekomoto
- Department of Orthopaedic Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Yasunari Ikuta
- Department of Orthopaedic Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Masakazu Ishikawa
- Department of Orthopaedic Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan.,Department of Artificial Joints and Biomaterials, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Shigeru Miyaki
- Department of Orthopaedic Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan.,Medical Center for Translational and Clinical Research, Hiroshima University Hospital, Hiroshima, Japan
| | - Nobuo Adachi
- Department of Orthopaedic Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
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Wagner A, Pehar M, Yan Z, Kulka M. Amanita muscaria extract potentiates production of proinflammatory cytokines by dsRNA-activated human microglia. Front Pharmacol 2023; 14:1102465. [PMID: 37124206 PMCID: PMC10130647 DOI: 10.3389/fphar.2023.1102465] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Accepted: 03/29/2023] [Indexed: 05/02/2023] Open
Abstract
Recent interest in mushrooms and their components as potential therapies for mental health, along with recent government and health authority approvals, has necessitated a more comprehensive understanding of their effects on the cellular microenvironment of the brain. Amanita muscaria has been ingested as a treatment for a variety of ailments for centuries, most notably those affecting the central nervous system and conditions associated with neuroinflammation. However, the effects of these extracts on neuroinflammatory cells, such as microglia, are unknown. The effect of commercially-sourced A. muscaria extract (AME-1) on human microglial cell line (HMC3) expression of surface receptors such as CD86, CXCR4, CD45, CD125 and TLR4 was determined by flow cytometry. AME-1 upregulated expression of all of these receptors. The effect of AME-1 on HMC3 production of IL-8 and IL-6 was determined and compared to tumor necrosis factor (TNF), polyinosinic-polycytidylic acid [poly(I:C)], substance P and lipopolysaccharide (LPS), all known activators of HMC-3 and primary microglia. HMC3 produced both IL-8 and IL-6 when activated with LPS, TNF and poly(I:C) but not when they were activated with substance P. Although AME-1 at higher concentrations increased IL-8 production of HMC3 on its own, AME-1 notably potentiated HMC3 production of IL-8 in response to poly(I:C). AME-1 altered expression of toll-like receptor 3 (TLR3) mRNA but not surface protein by HMC3. AME-1 also did not significantly alter expression of retinoic acid-inducible gene I (RIG-I) or melanoma differentiation-associated protein 5 (MDA5), both cytosolic sensors of dsRNA. Metabolomics analysis showed that AME-1 contained several metabolites, including the autophagy inducer, trehalose. Like AME-1, trehalose also potentiated HMC3 poly(I:C) mediated production of IL-8. This study suggests that A. muscaria extracts can modify HMC3 inflammatory responses, possibly due to their trehalose content.
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Affiliation(s)
- Ashley Wagner
- Nanotechnology Research Centre, National Research Council Canada, Edmonton, AB, Canada
| | - Marcus Pehar
- Nanotechnology Research Centre, National Research Council Canada, Edmonton, AB, Canada
- Neuroscience and Mental Health Institute, University of Alberta, Edmonton, AB, Canada
| | - Zhimin Yan
- Nanotechnology Research Centre, National Research Council Canada, Edmonton, AB, Canada
| | - Marianna Kulka
- Nanotechnology Research Centre, National Research Council Canada, Edmonton, AB, Canada
- Neuroscience and Mental Health Institute, University of Alberta, Edmonton, AB, Canada
- *Correspondence: Marianna Kulka,
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Battini V, Rocca S, Guarnieri G, Bombelli A, Gringeri M, Mosini G, Pozzi M, Nobile M, Radice S, Clementi E, Schindler A, Carnovale C, Pizzorni N. On the potential of drug repurposing in dysphagia treatment: New insights from a real-world pharmacovigilance study and a systematic review. Front Pharmacol 2023; 14:1057301. [PMID: 36937893 PMCID: PMC10022593 DOI: 10.3389/fphar.2023.1057301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 01/30/2023] [Indexed: 03/06/2023] Open
Abstract
Background: Polypharmacy is common in patients with dysphagia. Routinely used drugs may influence swallowing function either improving or worsening it. We aimed to explore the potential effects of three commonly used drug classes on dysphagia and aspiration pneumonia through a systematic review and a real-world data analysis to probe the possibility of drug repurposing for dysphagia treatment. Material and Methods: Five electronic databases were searched. Studies on adults at risk for dysphagia, treated with Dipeptidyl-Peptidase IV Inhibitors (DPP-4i), Adrenergic Beta-Antagonists (beta-blockers), or Angiotensin-Converting Enzyme Inhibitors (ACEi), and reporting outcomes on dysphagia or aspiration pneumonia were included. A nested case/non-case study was performed on adverse events recorded in the FDA Adverse Event Reporting System (FAERS) on patients >64 years. Cases (dysphagia or aspiration pneumonia) were compared between patients only treated with Levodopa and patients who were concomitantly treated with the drugs of interest. Results: Twenty studies were included in the review (17 on ACEi, 2 on beta-blockers, and 1 on DPP-4i). Contrasting findings on the effects of ACEi were found, with a protective effect mainly reported in Asian studies on neurological patients. Beta-blockers were associated with a reduced dysphagia rate. The study on DPP-4i suggested no effect on dysphagia and an increased risk of aspiration pneumonia. The FAERS analysis showed a reduction of the risk for dysphagia/aspiration pneumonia with ACEi, beta-blockers, and DPP-4i. Conclusion: Our study explores the potential drug repurposing of ACEi, beta-blockers and DPP-4i in neurological patients with dysphagia to improve swallowing function and reduce aspiration pneumonia risk. Future randomized controlled studies should confirm these results and clarify the underlying mechanisms of action.
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Affiliation(s)
- Vera Battini
- Department of Biomedical and Clinical Sciences, Pharmacovigilance & Clinical Research, International Centre for Pesticides and Health Risk Prevention, “Luigi Sacco” University Hospital, Università degli Studi di Milano, Milan, Italy
| | - Sara Rocca
- Phoniatric Unit, Department of Biomedical and Clinical Sciences, “Luigi Sacco” University Hospital, Università degli Studi di Milano, Milan, Italy
| | - Greta Guarnieri
- Department of Biomedical and Clinical Sciences, Pharmacovigilance & Clinical Research, International Centre for Pesticides and Health Risk Prevention, “Luigi Sacco” University Hospital, Università degli Studi di Milano, Milan, Italy
| | - Anna Bombelli
- Department of Biomedical and Clinical Sciences, Pharmacovigilance & Clinical Research, International Centre for Pesticides and Health Risk Prevention, “Luigi Sacco” University Hospital, Università degli Studi di Milano, Milan, Italy
| | - Michele Gringeri
- Department of Biomedical and Clinical Sciences, Pharmacovigilance & Clinical Research, International Centre for Pesticides and Health Risk Prevention, “Luigi Sacco” University Hospital, Università degli Studi di Milano, Milan, Italy
| | - Giulia Mosini
- Department of Biomedical and Clinical Sciences, Pharmacovigilance & Clinical Research, International Centre for Pesticides and Health Risk Prevention, “Luigi Sacco” University Hospital, Università degli Studi di Milano, Milan, Italy
| | - Marco Pozzi
- Scientific Institute IRCCS Eugenio Medea, Bosisio Parini(LC), Italy
| | - Maria Nobile
- Scientific Institute IRCCS Eugenio Medea, Bosisio Parini(LC), Italy
| | - Sonia Radice
- Department of Biomedical and Clinical Sciences, Pharmacovigilance & Clinical Research, International Centre for Pesticides and Health Risk Prevention, “Luigi Sacco” University Hospital, Università degli Studi di Milano, Milan, Italy
| | - Emilio Clementi
- Department of Biomedical and Clinical Sciences, Pharmacovigilance & Clinical Research, International Centre for Pesticides and Health Risk Prevention, “Luigi Sacco” University Hospital, Università degli Studi di Milano, Milan, Italy
- Scientific Institute IRCCS Eugenio Medea, Bosisio Parini(LC), Italy
| | - Antonio Schindler
- Phoniatric Unit, Department of Biomedical and Clinical Sciences, “Luigi Sacco” University Hospital, Università degli Studi di Milano, Milan, Italy
| | - Carla Carnovale
- Department of Biomedical and Clinical Sciences, Pharmacovigilance & Clinical Research, International Centre for Pesticides and Health Risk Prevention, “Luigi Sacco” University Hospital, Università degli Studi di Milano, Milan, Italy
- *Correspondence: Carla Carnovale,
| | - Nicole Pizzorni
- Phoniatric Unit, Department of Biomedical and Clinical Sciences, “Luigi Sacco” University Hospital, Università degli Studi di Milano, Milan, Italy
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Pujo J, De Palma G, Lu J, Galipeau HJ, Surette MG, Collins SM, Bercik P. Gut microbiota modulates visceral sensitivity through calcitonin gene-related peptide (CGRP) production. Gut Microbes 2023; 15:2188874. [PMID: 36939195 PMCID: PMC10038053 DOI: 10.1080/19490976.2023.2188874] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/21/2023] Open
Abstract
Abdominal pain is common in patients with gastrointestinal disorders, but its pathophysiology is unclear, in part due to poor understanding of basic mechanisms underlying visceral sensitivity. Accumulating evidence suggests that gut microbiota is an important determinant of visceral sensitivity. Clinical and basic research studies also show that sex plays a role in pain perception, although the precise pathways are not elucidated. We investigated pain responses in germ-free and conventionally raised mice of both sexes, and assessed visceral sensitivity to colorectal distension, neuronal excitability of dorsal root ganglia (DRG) neurons and the production of substance P and calcitonin gene-related peptide (CGRP) in response to capsaicin or a mixture of G-protein coupled receptor (GPCR) agonists. Germ-free mice displayed greater in vivo responses to colonic distention than conventional mice, with no differences between males and females. Pretreatment with intracolonic capsaicin or GPCR agonists increased responses in conventional, but not in germ-free mice. In DRG neurons, gut microbiota and sex had no effect on neuronal activation by capsaicin or GPCR agonists. While stimulated production of substance P by DRG neurons was similar in germ-free and conventional mice, with no additional effect of sex, the CGRP production was higher in germ-free mice, mainly in females. Absence of gut microbiota increases visceral sensitivity to colorectal distention in both male and female mice. This is, at least in part, due to increased production of CGRP by DRG neurons, which is mainly evident in female mice. However, central mechanisms are also likely involved in this process.
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Affiliation(s)
- Julien Pujo
- Farncombe Family Digestive Health Research Institute, Department of Medicine, McMaster University, Hamilton, Canada
| | - Giada De Palma
- Farncombe Family Digestive Health Research Institute, Department of Medicine, McMaster University, Hamilton, Canada
| | - Jun Lu
- Farncombe Family Digestive Health Research Institute, Department of Medicine, McMaster University, Hamilton, Canada
| | - Heather J Galipeau
- Farncombe Family Digestive Health Research Institute, Department of Medicine, McMaster University, Hamilton, Canada
| | - Michael G Surette
- Farncombe Family Digestive Health Research Institute, Department of Medicine, McMaster University, Hamilton, Canada
| | - Stephen M Collins
- Farncombe Family Digestive Health Research Institute, Department of Medicine, McMaster University, Hamilton, Canada
| | - Premysl Bercik
- Farncombe Family Digestive Health Research Institute, Department of Medicine, McMaster University, Hamilton, Canada
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Wank I, Niedermair T, Kronenberg D, Stange R, Brochhausen C, Hess A, Grässel S. Influence of the Peripheral Nervous System on Murine Osteoporotic Fracture Healing and Fracture-Induced Hyperalgesia. Int J Mol Sci 2022; 24:510. [PMID: 36613952 PMCID: PMC9820334 DOI: 10.3390/ijms24010510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 12/16/2022] [Accepted: 12/20/2022] [Indexed: 12/29/2022] Open
Abstract
Osteoporotic fractures are often linked to persisting chronic pain and poor healing outcomes. Substance P (SP), α-calcitonin gene-related peptide (α-CGRP) and sympathetic neurotransmitters are involved in bone remodeling after trauma and nociceptive processes, e.g., fracture-induced hyperalgesia. We aimed to link sensory and sympathetic signaling to fracture healing and fracture-induced hyperalgesia under osteoporotic conditions. Externally stabilized femoral fractures were set 28 days after OVX in wild type (WT), α-CGRP- deficient (α-CGRP -/-), SP-deficient (Tac1-/-) and sympathectomized (SYX) mice. Functional MRI (fMRI) was performed two days before and five and 21 days post fracture, followed by µCT and biomechanical tests. Sympathectomy affected structural bone properties in the fracture callus whereas loss of sensory neurotransmitters affected trabecular structures in contralateral, non-fractured bones. Biomechanical properties were mostly similar in all groups. Both nociceptive and resting-state (RS) fMRI revealed significant baseline differences in functional connectivity (FC) between WT and neurotransmitter-deficient mice. The fracture-induced hyperalgesia modulated central nociception and had robust impact on RS FC in all groups. The changes demonstrated in RS FC in fMRI might potentially be used as a bone traumata-induced biomarker regarding fracture healing under pathophysiological musculoskeletal conditions. The findings are of clinical importance and relevance as they advance our understanding of pain during osteoporotic fracture healing and provide a potential imaging biomarker for fracture-related hyperalgesia and its temporal development. Overall, this may help to reduce the development of chronic pain after fracture thereby improving the treatment of osteoporotic fractures.
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Affiliation(s)
- Isabel Wank
- Institute of Experimental and Clinical Pharmacology and Toxicology, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Tanja Niedermair
- Institute of Pathology, University of Regensburg, 93053 Regensburg, Germany
| | - Daniel Kronenberg
- Department of Regenerative Musculoskeletal Medicine, Institute of Musculoskeletal Medicine (IMM), University Hospital Münster, 48149 Münster, Germany
| | - Richard Stange
- Department of Regenerative Musculoskeletal Medicine, Institute of Musculoskeletal Medicine (IMM), University Hospital Münster, 48149 Münster, Germany
| | | | - Andreas Hess
- Institute of Experimental and Clinical Pharmacology and Toxicology, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Susanne Grässel
- Centre for Medical Biotechnology (ZMB), Department of Orthopedic Surgery, Experimental Orthopedics, University of Regensburg, 93053 Regensburg, Germany
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Jia H, Qin Z, Wei B, Guo X, Xiao H, Zhang H, Li Z, Wu Q, Zheng R, Wu W. Substance P and Glucagon-like Peptide-1 7-36 Amide Mediate Anorexic Responses to Trichothecene Deoxynivalenol and Its Congeners. Toxins (Basel) 2022; 14:toxins14120885. [PMID: 36548782 PMCID: PMC9785148 DOI: 10.3390/toxins14120885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 12/10/2022] [Accepted: 12/16/2022] [Indexed: 12/23/2022] Open
Abstract
Type B trichothecenes commonly contaminate cereal grains and include five structurally related congeners: deoxynivalenol (DON), 3-acetyldeoxynivalenol (3-ADON), 15-acetyldeoxynivalenol (15-ADON), fusarenon X (FX), and nivalenol (NIV). These toxins are known to have negative effects on human and animal health, particularly affecting food intake. However, the pathophysiological basis for anorexic effect is not fully clarified. The purpose of this study is to explore the potential roles of the brain-gut peptides substance P (SP) and glucagon-like peptide-17-36 amide (GLP-1) in anorexic responses induced by type B trichothecenes following both intraperitoneal (IP) and oral administration. SP and GLP-1 were elevated at 1 or 2 h and returned to basal levels at 6 h following exposure to DON and both ADONs. FX induced the production of both brain gut peptides with initial time at 1 or 2 h and duration > 6 h. Similar to FX, exposing IP to NIV caused elevations of SP and GLP-1 at 1 h and lasted more than 6 h, whereas oral exposure to NIV only increased both brain gut peptides at 2 h. The neurokinin-1 receptor (NK-1R) antagonist Emend® dose-dependently attenuated both SP- and DON-induced anorexic responses. Pretreatment with the GLP-1 receptor (GLP-1R) antagonist Exending9-39 induced a dose-dependent attenuation of both GLP-1- and DON-induced anorexic responses. To summarize, the results suggest that both SP and GLP-1 play important roles in anorexia induction by type B trichothecenes.
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Affiliation(s)
- Hui Jia
- School of Animal Husbandry and Veterinary Medicine, Jiangsu Vocational College of Agriculture and Forestry, Jurong 212400, China
| | - Zihui Qin
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, China
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
| | - Ben Wei
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
| | - Xinyi Guo
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
| | - Huiping Xiao
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
| | - Huayue Zhang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
| | - Zelin Li
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
| | - Qinghua Wu
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, 50003 Hradec Kralove, Czech Republic
- College of Life Science, Yangtze University, Jingzhou 434025, China
| | - Ruibo Zheng
- School of Animal Husbandry and Veterinary Medicine, Jiangsu Vocational College of Agriculture and Forestry, Jurong 212400, China
| | - Wenda Wu
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, China
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, 50003 Hradec Kralove, Czech Republic
- Correspondence:
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Andreeva D, Murashova L, Burzak N, Dyachuk V. Satellite Glial Cells: Morphology, functional heterogeneity, and role in pain. Front Cell Neurosci 2022; 16:1019449. [PMID: 36274990 PMCID: PMC9583829 DOI: 10.3389/fncel.2022.1019449] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Accepted: 09/20/2022] [Indexed: 11/13/2022] Open
Abstract
Neurons in the somatic, sympathetic, and parasympathetic ganglia are surrounded by envelopes consisting of satellite glial cells (SGCs). Recently, it has become clear that SGCs are highly altered after nerve injury, which influences neuronal excitability and, consequently, the development and maintenance of pain in different animal models of chronic pain. However, the exact mechanism underlying chronic pain is not fully understood yet because it is assumed that SGCs in different ganglia share many common peculiarities, making the process complex. Here, we review recent data on morphological and functional heterogeneity and changes in SGCs in various pain conditions and their role in response to injury. More research is required to decipher the role of SGCs in diseases, such as chronic pain, neuropathology, and neurodegenerative diseases.
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Boyle CA, Hu B, Quaintance KL, Mastrud MR, Lei S. Ionic signalling mechanisms involved in neurokinin-3 receptor-mediated augmentation of fear-potentiated startle response in the basolateral amygdala. J Physiol 2022; 600:4325-4345. [PMID: 36030507 PMCID: PMC9529888 DOI: 10.1113/jp283433] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 08/15/2022] [Indexed: 09/10/2023] Open
Abstract
The tachykinin peptides include substance P (SP), neurokinin A and neurokinin B, which interact with three G-protein-coupled neurokinin receptors, NK1Rs, NK2Rs and NK3Rs, respectively. Whereas high densities of NK3Rs have been detected in the basolateral amygdala (BLA), the functions of NK3Rs in this brain region have not been determined. We found that activation of NK3Rs by application of the selective agonist, senktide, persistently excited BLA principal neurons. NK3R-elicited excitation of BLA neurons was mediated by activation of a non-selective cation channel and depression of the inwardly rectifying K+ (Kir) channels. With selective channel blockers and knockout mice, we further showed that NK3R activation excited BLA neurons by depressing the G protein-activated inwardly rectifying K+ (GIRK) channels and activating TRPC4 and TRPC5 channels. The effects of NK3Rs required the functions of phospholipase Cβ (PLCβ), but were independent of intracellular Ca2+ release and protein kinase C. PLCβ-mediated depletion of phosphatidylinositol 4,5-bisphosphate was involved in NK3R-induced excitation of BLA neurons. Microinjection of senktide into the BLA of rats augmented fear-potentiated startle (FPS) and this effect was blocked by prior injection of the selective NK3R antagonist SB 218795, suggesting that activation of NK3Rs in the BLA increased FPS. We further showed that TRPC4/5 and GIRK channels were involved in NK3R-elicited facilitation of FPS. Our results provide a cellular and molecular mechanism whereby NK3R activation excites BLA neurons and enhances FPS. KEY POINTS: Activation of NK3 receptors (NK3Rs) facilitates the excitability of principal neurons in rat basolateral amygdala (BLA). NK3R-induced excitation is mediated by inhibition of GIRK channels and activation of TRPC4/5 channels. Phospholipase Cβ and depletion of phosphatidylinositol 4,5-bisphosphate are necessary for NK3R-mediated excitation of BLA principal neurons. Activation of NK3Rs in the BLA facilitates fear-potentiated startle response. GIRK channels and TRPC4/5 channels are involved in NK3R-mediated augmentation of fear-potentiated startle.
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Affiliation(s)
- Cody A. Boyle
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, ND58203, USA
| | - Binqi Hu
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, ND58203, USA
| | - Kati L. Quaintance
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, ND58203, USA
| | - Morgan R. Mastrud
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, ND58203, USA
| | - Saobo Lei
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, ND58203, USA
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Lopes TDS, Ballas SK, Santana JERS, de Melo-Carneiro P, de Oliveira LB, Sá KN, Lopes LCD, Silva WDS, Lucena R, Baptista AF. Sickle cell disease chronic joint pain: Clinical assessment based on maladaptive central nervous system plasticity. Front Med (Lausanne) 2022; 9:679053. [PMID: 36203767 PMCID: PMC9530388 DOI: 10.3389/fmed.2022.679053] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 08/23/2022] [Indexed: 11/13/2022] Open
Abstract
Chronic joint pain (CJP) is among the significant musculoskeletal comorbidities in sickle cell disease (SCD) individuals. However, many healthcare professionals have difficulties in understanding and evaluating it. In addition, most musculoskeletal evaluation procedures do not consider central nervous system (CNS) plasticity associated with CJP, which is frequently maladaptive. This review study highlights the potential mechanisms of CNS maladaptive plasticity related to CJP in SCD and proposes reliable instruments and methods for musculoskeletal assessment adapted to those patients. A review was carried out in the PubMed and SciELO databases, searching for information that could help in the understanding of the mechanisms of CNS maladaptive plasticity related to pain in SCD and that presented assessment instruments/methods that could be used in the clinical setting by healthcare professionals who manage chronic pain in SCD individuals. Some maladaptive CNS plasticity mechanisms seem important in CJP, including the impairment of pain endogenous control systems, central sensitization, motor cortex reorganization, motor control modification, and arthrogenic muscle inhibition. Understanding the link between maladaptive CNS plasticity and CJP mechanisms and its assessment through accurate instruments and methods may help healthcare professionals to increase the quality of treatment offered to SCD patients.
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Affiliation(s)
- Tiago da Silva Lopes
- Graduate Program in Medicine and Health, Federal University of Bahia, Salvador, BA, Brazil
- Adventist Neuromodulation and Neuroscience Laboratory, Bahia Adventist College, Cachoeira, Brazil
- NAPEN Network (Nucleus of Assistance, Research, and Teaching in Neuromodulation), São Paulo, SP, Brazil
| | - Samir K. Ballas
- Department of Medicine, Jefferson Medical College, Cardeza Foundation for Hematologic Research, Thomas Jefferson University, Philadelphia, PA, United States
| | - Jamille Evelyn Rodrigues Souza Santana
- Graduate Program in Medicine and Health, Federal University of Bahia, Salvador, BA, Brazil
- NAPEN Network (Nucleus of Assistance, Research, and Teaching in Neuromodulation), São Paulo, SP, Brazil
- Center for Mathematics, Computation, and Cognition, Federal University of ABC, São Bernardo do Campo, SP, Brazil
| | - Pedro de Melo-Carneiro
- Graduate Program in Medicine and Health, Federal University of Bahia, Salvador, BA, Brazil
| | - Lilian Becerra de Oliveira
- Adventist Neuromodulation and Neuroscience Laboratory, Bahia Adventist College, Cachoeira, Brazil
- Graduate program of Medicine and Human Health, Bahiana School of Medicine and Public Health, Salvador, BA, Brazil
| | - Katia Nunes Sá
- NAPEN Network (Nucleus of Assistance, Research, and Teaching in Neuromodulation), São Paulo, SP, Brazil
- Graduate program of Medicine and Human Health, Bahiana School of Medicine and Public Health, Salvador, BA, Brazil
| | | | | | - Rita Lucena
- Graduate Program in Medicine and Health, Federal University of Bahia, Salvador, BA, Brazil
| | - Abrahão Fontes Baptista
- Graduate Program in Medicine and Health, Federal University of Bahia, Salvador, BA, Brazil
- NAPEN Network (Nucleus of Assistance, Research, and Teaching in Neuromodulation), São Paulo, SP, Brazil
- Center for Mathematics, Computation, and Cognition, Federal University of ABC, São Bernardo do Campo, SP, Brazil
- Graduate program of Medicine and Human Health, Bahiana School of Medicine and Public Health, Salvador, BA, Brazil
- Laboratory of Medical Investigations 54 (LIM-54), Universidade de São Paulo, São Paulo, SP, Brazil
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Nacre-mimetic hydroxyapatite/chitosan/gelatin layered scaffolds modifying substance P for subchondral bone regeneration. Carbohydr Polym 2022; 291:119575. [DOI: 10.1016/j.carbpol.2022.119575] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 04/11/2022] [Accepted: 05/03/2022] [Indexed: 12/25/2022]
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The Role of Inflammation, Hypoxia, and Opioid Receptor Expression in Pain Modulation in Patients Suffering from Obstructive Sleep Apnea. Int J Mol Sci 2022; 23:ijms23169080. [PMID: 36012341 PMCID: PMC9409023 DOI: 10.3390/ijms23169080] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Revised: 08/08/2022] [Accepted: 08/11/2022] [Indexed: 12/18/2022] Open
Abstract
Obstructive sleep apnea (OSA) is a relatively common disease in the general population. Besides its interaction with many comorbidities, it can also interact with potentially painful conditions and modulate its course. The association between OSA and pain modulation has recently been a topic of concern for many scientists. The mechanism underlying OSA-related pain connection has been linked with different pathophysiological changes in OSA and various pain mechanisms. Furthermore, it may cause both chronic and acute pain aggravation as well as potentially influencing the antinociceptive mechanism. Characteristic changes in OSA such as nocturnal hypoxemia, sleep fragmentation, and systemic inflammation are considered to have a curtailing impact on pain perception. Hypoxemia in OSA has been proven to have a significant impact on increased expression of proinflammatory cytokines influencing the hyperalgesic priming of nociceptors. Moreover, hypoxia markers by themselves are hypothesized to modulate intracellular signal transduction in neurons and have an impact on nociceptive sensitization. Pain management in patients with OSA may create problems arousing from alterations in neuropeptide systems and overexpression of opioid receptors in hypoxia conditions, leading to intensification of side effects, e.g., respiratory depression and increased opioid sensitivity for analgesic effects. In this paper, we summarize the current knowledge regarding pain and pain treatment in OSA with a focus on molecular mechanisms leading to nociceptive modulation.
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Thalhammer A, Fontanini M, Shi J, Scaini D, Recupero L, Evtushenko A, Fu Y, Pavagada S, Bistrovic-Popov A, Fruk L, Tian B, Ballerini L. Distributed interfacing by nanoscale photodiodes enables single-neuron light activation and sensory enhancement in 3D spinal explants. SCIENCE ADVANCES 2022; 8:eabp9257. [PMID: 35960795 PMCID: PMC9374338 DOI: 10.1126/sciadv.abp9257] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 06/29/2022] [Indexed: 05/29/2023]
Abstract
Among emerging technologies developed to interface neuronal signaling, engineering electrodes at the nanoscale would yield more precise biodevices opening to progress in neural circuit investigations and to new therapeutic potential. Despite remarkable progress in miniature electronics for less invasive neurostimulation, most nano-enabled, optically triggered interfaces are demonstrated in cultured cells, which precludes the studies of natural neural circuits. We exploit here free-standing silicon-based nanoscale photodiodes to optically modulate single, identified neurons in mammalian spinal cord explants. With near-infrared light stimulation, we show that activating single excitatory or inhibitory neurons differently affects sensory circuits processing in the dorsal horn. We successfully functionalize nano-photodiodes to target single molecules, such as glutamate AMPA receptor subunits, thus enabling light activation of specific synaptic pathways. We conclude that nano-enabled neural interfaces can modulate selected sensory networks with low invasiveness. The use of nanoscale photodiodes can thus provide original perspective in linking neural activity to specific behavioral outcome.
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Affiliation(s)
- Agnes Thalhammer
- International School for Advanced Studies (SISSA), via Bonomea 265, 34136 Trieste, Italy
| | - Mario Fontanini
- International School for Advanced Studies (SISSA), via Bonomea 265, 34136 Trieste, Italy
| | - Jiuyun Shi
- Department of Chemistry, University of Chicago, Chicago, IL, USA
| | - Denis Scaini
- International School for Advanced Studies (SISSA), via Bonomea 265, 34136 Trieste, Italy
- Elettra Sincrotrone Trieste S.C.p.A., Area Science Park, I-34149 Trieste, Italy
- Basque Foundation for Science, Ikerbasque, Bilbao 48013, Spain
- Universidad del País Vasco (UPV/EHU), Barrio Sarriena s/n, 48940 Leioa, Spain
| | - Luca Recupero
- International School for Advanced Studies (SISSA), via Bonomea 265, 34136 Trieste, Italy
| | - Alexander Evtushenko
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, UK
| | - Ying Fu
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, UK
| | - Suraj Pavagada
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, UK
| | - Andrea Bistrovic-Popov
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, UK
| | - Ljiljana Fruk
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, UK
| | - Bozhi Tian
- Department of Chemistry, University of Chicago, Chicago, IL, USA
| | - Laura Ballerini
- International School for Advanced Studies (SISSA), via Bonomea 265, 34136 Trieste, Italy
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72
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Ita ME, Singh S, Troche HR, Welch RL, Winkelstein BA. Intra-articular MMP-1 in the spinal facet joint induces sustained pain and neuronal dysregulation in the DRG and spinal cord, and alters ligament kinematics under tensile loading. Front Bioeng Biotechnol 2022; 10:926675. [PMID: 35992346 PMCID: PMC9382200 DOI: 10.3389/fbioe.2022.926675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Accepted: 06/27/2022] [Indexed: 12/03/2022] Open
Abstract
Chronic joint pain is a major healthcare challenge with a staggering socioeconomic burden. Pain from synovial joints is mediated by the innervated collagenous capsular ligament that surrounds the joint and encodes nociceptive signals. The interstitial collagenase MMP-1 is elevated in painful joint pathologies and has many roles in collagen regulation and signal transduction. Yet, the role of MMP-1 in mediating nociception in painful joints remains poorly understood. The goal of this study was to determine whether exogenous intra-articular MMP-1 induces pain in the spinal facet joint and to investigate effects of MMP-1 on mediating the capsular ligament’s collagen network, biomechanical response, and neuronal regulation. Intra-articular MMP-1 was administered into the cervical C6/C7 facet joints of rats. Mechanical hyperalgesia quantified behavioral sensitivity before, and for 28 days after, injection. On day 28, joint tissue structure was assessed using histology. Multiscale ligament kinematics were defined under tensile loading along with microstructural changes in the collagen network. The amount of degraded collagen in ligaments was quantified and substance P expression assayed in neural tissue since it is a regulatory of nociceptive signaling. Intra-articular MMP-1 induces behavioral sensitivity that is sustained for 28 days (p < 0.01), absent any significant effects on the structure of joint tissues. Yet, there are changes in the ligament’s biomechanical and microstructural behavior under load. Ligaments from joints injected with MMP-1 exhibit greater displacement at yield (p = 0.04) and a step-like increase in the number of anomalous reorganization events of the collagen fibers during loading (p ≤ 0.02). Collagen hybridizing peptide, a metric of damaged collagen, is positively correlated with the spread of collagen fibers in the unloaded state after MMP-1 (p = 0.01) and that correlation is maintained throughout the sub-failure regime (p ≤ 0.03). MMP-1 injection increases substance P expression in dorsal root ganglia (p < 0.01) and spinal cord (p < 0.01) neurons. These findings suggest that MMP-1 is a likely mediator of neuronal signaling in joint pain and that MMP-1 presence in the joint space may predispose the capsular ligament to altered responses to loading. MMP-1-mediated pathways may be relevant targets for treating degenerative joint pain in cases with subtle or no evidence of structural degeneration.
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Affiliation(s)
- Meagan E. Ita
- Spine Pain Research Laboratory, Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, United States
| | - Sagar Singh
- Spine Pain Research Laboratory, Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, United States
| | - Harrison R. Troche
- Spine Pain Research Laboratory, Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, United States
| | - Rachel L. Welch
- Spine Pain Research Laboratory, Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, United States
| | - Beth A. Winkelstein
- Spine Pain Research Laboratory, Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, United States
- Department of Neurosurgery, University of Pennsylvania, Philadelphia, PA, United States
- *Correspondence: Beth A. Winkelstein,
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73
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Roy TK, Uniyal A, Tiwari V. Multifactorial pathways in burn injury-induced chronic pain: novel targets and their pharmacological modulation. Mol Biol Rep 2022; 49:12121-12132. [PMID: 35842856 DOI: 10.1007/s11033-022-07748-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 06/22/2022] [Accepted: 06/23/2022] [Indexed: 11/30/2022]
Abstract
Burn injuries are among the highly prevalent medical conditions worldwide that occur mainly in children, military veterans and victims of fire accidents. It is one of the leading causes of temporary as well as permanent disabilities in patients. Burn injuries are accompanied by pain that persists even after recovery from tissue damage which puts immense pressure on the healthcare system. The pathophysiology of burn pain is poorly understood due to its complex nature and lack of considerable preclinical and clinical shreds of evidence, that creates a substantial barrier to the development of new analgesics. Burns damage the skin layers supplied with nociceptors such as NAV1.7, TRPV1, and TRPA1. Burn injury-mediated co-localization and simultaneous activation of TRPA1 and TRPV1 in nociceptive primary afferent C-fibers which contributes to the development and maintenance of chronic pain. Burn injuries are accompanied by central sensitization, a key feature of pain pathophysiology mainly driven by a series of cascades involving aberrations in the glutamatergic system, microglial activation, release of neuropeptides, cytokines, and chemokines. Activation of p38 mitogen-activated protein kinase, altered endogenous opioid signaling, and distorted genomic expression are other pathophysiological factors responsible for the development and maintenance of burn pain. Here we discuss comprehensive literature on molecular mechanisms of burn pain and potential targets that could be translated into near future therapeutics.
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Affiliation(s)
- Tapas Kumar Roy
- Neuroscience & Pain Research Laboratory, Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology, Banaras Hindu University, 221005, Varanasi, U.P, India
| | - Ankit Uniyal
- Neuroscience & Pain Research Laboratory, Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology, Banaras Hindu University, 221005, Varanasi, U.P, India
| | - Vinod Tiwari
- Neuroscience & Pain Research Laboratory, Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology, Banaras Hindu University, 221005, Varanasi, U.P, India.
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Abstract
Modulation of nociception allows animals to optimize chances of survival by adapting their behaviour in different contexts. In mammals, this is executed by neurons from the brain and is referred to as the descending control of nociception. Whether insects have such control, or the neural circuits allowing it, has rarely been explored. Based on behavioural, neuroscientific and molecular evidence, we argue that insects probably have descending controls for nociception. Behavioural work shows that insects can modulate nocifensive behaviour. Such modulation is at least in part controlled by the central nervous system since the information mediating such prioritization is processed by the brain. Central nervous system control of nociception is further supported by neuroanatomical and neurobiological evidence showing that the insect brain can facilitate or suppress nocifensive behaviour, and by molecular studies revealing pathways involved in the inhibition of nocifensive behaviour both peripherally and centrally. Insects lack the endogenous opioid peptides and their receptors that contribute to mammalian descending nociception controls, so we discuss likely alternative molecular mechanisms for the insect descending nociception controls. We discuss what the existence of descending control of nociception in insects may reveal about pain perception in insects and finally consider the ethical implications of these novel findings.
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Affiliation(s)
- Matilda Gibbons
- School of Biological and Behavioural Sciences, Queen Mary University of London, London E1 4NS, UK
| | - Sajedeh Sarlak
- Department of Plant Protection, College of Agriculture and Natural Resources, University of Tehran, 31587-77871, Karaj, Iran
| | - Lars Chittka
- School of Biological and Behavioural Sciences, Queen Mary University of London, London E1 4NS, UK
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75
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Bittencourt JC. Anatomical and functional heterogeneity of 'hypothalamic' peptidergic neuron populations. Nat Rev Endocrinol 2022; 18:450. [PMID: 35469075 DOI: 10.1038/s41574-022-00680-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jackson C Bittencourt
- Department of Anatomy, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Brazil.
- Center for Neurosciences and Behaviour, Institute of Psychology, University of Sao Paulo, Sao Paulo, Brazil.
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76
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Merkler DJ, Hawley AJ, Eipper BA, Mains RE. Peptidylglycine α-amidating monooxygenase as a therapeutic target or biomarker for human diseases. Br J Pharmacol 2022; 179:3306-3324. [PMID: 35124797 PMCID: PMC9177522 DOI: 10.1111/bph.15815] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 01/10/2022] [Accepted: 01/12/2022] [Indexed: 01/20/2024] Open
Abstract
Peptides play a key role in controlling many physiological and neurobiological pathways. Many bioactive peptides require a C-terminal α-amide for full activity. The bifunctional enzyme catalysing α-amidation, peptidylglycine α-amidating monooxygenase (PAM), is the sole enzyme responsible for amidated peptide biosynthesis, from Chlamydomonas reinhardtii to Homo sapiens. Many neuronal and endocrine functions are dependent upon amidated peptides; additional amidated peptides are growth promoters in tumours. The amidation reaction occurs in two steps, glycine α-hydroxylation followed by dealkylation to generate the α-amide product. Currently, most potentially useful inhibitors target the first reaction, which is rate-limiting. PAM is a membrane-bound enzyme that visits the cell surface during peptide secretion. PAM is then used again in the biosynthetic pathway, meaning that cell-impermeable inhibitors or inactivators could have therapeutic value for the treatment of cancer or psychiatric abnormalities. To date, inhibitor design has not fully exploited the structures and mechanistic details of PAM.
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Affiliation(s)
- David J Merkler
- Department of Chemistry, University of South Florida, 4202 E. Fowler Ave., Tampa, FL 33620, USA
| | - Aidan J Hawley
- Department of Chemistry, University of South Florida, 4202 E. Fowler Ave., Tampa, FL 33620, USA
| | - Betty A Eipper
- Department of Molecular Biology & Biophysics, University of Connecticut Health Center, 263 Farmington Avenue, Farmington, CT, 06030 USA
- Department of Neuroscience, University of Connecticut Health Center, 263 Farmington Avenue, Farmington, CT, 06030 USA
| | - Richard E Mains
- Department of Neuroscience, University of Connecticut Health Center, 263 Farmington Avenue, Farmington, CT, 06030 USA
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77
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Li M, Zhong X, Xu WT. Substance P promotes the progression of bronchial asthma through activating the PI3K/AKT/NF-κB pathway mediated cellular inflammation and pyroptotic cell death in bronchial epithelial cells. Cell Cycle 2022; 21:2179-2191. [PMID: 35726575 DOI: 10.1080/15384101.2022.2092166] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
NOD-like receptor family pyrin domain containing three (NLRP3) inflammasome-mediated pyroptotic cell death and inflammation contribute to the pathogenesis of bronchial asthma, and it is reported that Substance P (SP) plays important role in the process, however, the detailed molecular mechanisms by which SP participates in the aggravation of bronchial asthma have not been fully studied. Here, our clinical data showed that SP and its receptor Neurokinin-1 receptor (NK1R) were significantly elevated in the plasma and peripheral blood mononuclear cell (PBMC) collected from patients with bronchial asthma, and further pre-clinical experiments evidenced that SP suppressed cell viability, accelerated lactate dehydrogenase (LDH) release, and upregulated ASC, Caspase-1, NLRP3, IL-1β and IL-18 to promote pyroptotic cell death and cellular inflammation in the human bronchial epithelial cells and asthmatic mice models in vitro and in vivo. Interestingly, SP-induced pyroptotic cell death was reversed by NK1R inhibitor L732138. Then, we uncovered the underlying mechanisms, and found that SP activated the downstream PI3K/AKT/NF-κB signal pathway in a NK1R-dependent manner, and blockage of this pathway by both PI3K inhibitor (LY294002) and NF-κB inhibitor (MG132) reversed SP-induced pyroptotic cell death and recovered cell viability in bronchial epithelial cells. Collectively, we concluded that SP interacted with its receptor NK1R to activate the PI3K/AKT/NF-κB pathway, which further triggered NLRP3-mediated pyroptotic cell death in the bronchial epithelial cells, resulting in the aggravation of bronchial asthma.
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Affiliation(s)
- Miao Li
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Xiao Zhong
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Wen-Ting Xu
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
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78
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Zhang Y, Ke J, Zhou Y, Liu X, Huang T, Wang F. Sex-specific characteristics of cells expressing the cannabinoid 1 receptor in the dorsal horn of the lumbar spinal cord. J Comp Neurol 2022; 530:2451-2473. [PMID: 35580011 DOI: 10.1002/cne.25342] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 04/28/2022] [Accepted: 05/02/2022] [Indexed: 12/20/2022]
Abstract
It is becoming increasingly clear that robust sex differences exist in the processing of acute and chronic pain in both rodents and humans. However, the underlying mechanism has not been well characterized. The dorsal horn of the lumbar spinal cord is the fundamental building block of ascending and descending pain pathways. It has been shown that numerous neurotransmitter and neuromodulator systems in the spinal cord, including the endocannabinoid system and its main receptor, the cannabinoid 1 receptor (CB1 R), play vital roles in processing nociceptive information. Our previous findings have shown that CB1 R mRNA is widely expressed in the brain in sex-dependent patterns. However, the sex-, lamina-, and cell-type-specific characteristics of CB1 R expression in the spinal cord have not been fully described. In this study, the CB1 R-iCre-EGFP mouse strain was generated to label and identify CB1 R-positive (CB1 RGFP ) cells. We reported no sex difference in CB1 R expression in the lumbar dorsal horn of the spinal cord, but a dynamic distribution within superficial laminae II and III in female mice between estrus and nonestrus phases. Furthermore, the cell-type-specific CB1 R expression pattern in the dorsal horn was similar in both sexes. Over 50% of CB1 RGFP cells were GABAergic neurons, and approximately 25% were glycinergic and 20-30% were glutamatergic neurons. The CB1 R-expressing cells also represented a subset of spinal projection neurons. Overall, our work indicates a highly consistent distribution pattern of CB1 RGFP cells in the dorsal horn of lumbar spinal cord in males and females.
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Affiliation(s)
- Yulin Zhang
- Shenzhen Key Lab of Translational Research for Brain Diseases, Shenzhen Key Lab of Drug Addiction, Guangdong Provincial Key Laboratory of Brain Connectome and Behavior, Shenzhen-Hong Kong Institute of Brain Science-Shenzhen Fundamental Research Institutions, The Brain Cognition and Brain Disease Institute (BCBDI), Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China.,College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Jin Ke
- Shenzhen Key Lab of Translational Research for Brain Diseases, Shenzhen Key Lab of Drug Addiction, Guangdong Provincial Key Laboratory of Brain Connectome and Behavior, Shenzhen-Hong Kong Institute of Brain Science-Shenzhen Fundamental Research Institutions, The Brain Cognition and Brain Disease Institute (BCBDI), Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China.,College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Yuan Zhou
- Shenzhen Key Lab of Translational Research for Brain Diseases, Shenzhen Key Lab of Drug Addiction, Guangdong Provincial Key Laboratory of Brain Connectome and Behavior, Shenzhen-Hong Kong Institute of Brain Science-Shenzhen Fundamental Research Institutions, The Brain Cognition and Brain Disease Institute (BCBDI), Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China.,College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Xue Liu
- Shenzhen Key Lab of Translational Research for Brain Diseases, Shenzhen Key Lab of Drug Addiction, Guangdong Provincial Key Laboratory of Brain Connectome and Behavior, Shenzhen-Hong Kong Institute of Brain Science-Shenzhen Fundamental Research Institutions, The Brain Cognition and Brain Disease Institute (BCBDI), Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China.,College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Tianwen Huang
- Shenzhen Key Lab of Translational Research for Brain Diseases, Shenzhen Key Lab of Drug Addiction, Guangdong Provincial Key Laboratory of Brain Connectome and Behavior, Shenzhen-Hong Kong Institute of Brain Science-Shenzhen Fundamental Research Institutions, The Brain Cognition and Brain Disease Institute (BCBDI), Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Feng Wang
- Shenzhen Key Lab of Translational Research for Brain Diseases, Shenzhen Key Lab of Drug Addiction, Guangdong Provincial Key Laboratory of Brain Connectome and Behavior, Shenzhen-Hong Kong Institute of Brain Science-Shenzhen Fundamental Research Institutions, The Brain Cognition and Brain Disease Institute (BCBDI), Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
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79
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Yan JJ, Zhang W, Xu XH. Can You Feel the Love Tonight: A Dipeptidergic Circuit for Pleasant Touch. Neurosci Bull 2022; 38:966-968. [PMID: 35553013 PMCID: PMC9352821 DOI: 10.1007/s12264-022-00877-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 04/10/2022] [Indexed: 10/18/2022] Open
Affiliation(s)
- Jing-Jing Yan
- Institute of Neuroscience, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, 200031, China
| | - Wen Zhang
- Institute of Neuroscience, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, 200031, China.
| | - Xiao-Hong Xu
- Institute of Neuroscience, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, 200031, China.
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80
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Seidel MF, Hügle T, Morlion B, Koltzenburg M, Chapman V, MaassenVanDenBrink A, Lane NE, Perrot S, Zieglgänsberger W. Neurogenic inflammation as a novel treatment target for chronic pain syndromes. Exp Neurol 2022; 356:114108. [PMID: 35551902 DOI: 10.1016/j.expneurol.2022.114108] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 05/01/2022] [Accepted: 05/03/2022] [Indexed: 11/24/2022]
Abstract
Chronic pain syndrome is a heterogeneous group of diseases characterized by several pathological mechanisms. One in five adults in Europe may experience chronic pain. In addition to the individual burden, chronic pain has a significant societal impact because of work and school absences, loss of work, early retirement, and high social and healthcare costs. Several anti-inflammatory treatments are available for patients with inflammatory or autoimmune diseases to control their symptoms, including pain. However, patients with degenerative chronic pain conditions, some with 10-fold or more elevated incidence relative to these manageable diseases, have few long-term pharmacological treatment options, limited mainly to non-steroidal anti-inflammatory drugs or opioids. For this review, we performed multiple PubMed searches using keywords such as "pain," "neurogenic inflammation," "NGF," "substance P," "nociception," "BDNF," "inflammation," "CGRP," "osteoarthritis," and "migraine." Many treatments, most with limited scientific evidence of efficacy, are available for the management of chronic pain through a trial-and-error approach. Although basic science and pre-clinical pain research have elucidated many biomolecular mechanisms of pain and identified promising novel targets, little of this work has translated into better clinical management of these conditions. This state-of-the-art review summarizes concepts of chronic pain syndromes and describes potential novel treatment strategies.
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Affiliation(s)
- Matthias F Seidel
- Department of Rheumatology, Spitalzentrum Biel-Centre Hospitalier Bienne, 2501 Biel-Bienne, Switzerland.
| | - Thomas Hügle
- Department of Rheumatology, University Hospital Lausanne, 1011 Lausanne, Switzerland
| | - Barton Morlion
- The Leuven Center for Algology and Pain Management, University of Leuven, Leuven, Belgium
| | - Martin Koltzenburg
- Department of Clinical and Movement Neuroscience, UCL Queen Square Institute of Neurology, London, United Kingdom; Department of Clinical Neurophysiology, National Hospital for Neurology and Neurosurgery, London, United Kingdom
| | - Victoria Chapman
- Pain Centre Versus Arthritis, School of Life Sciences, Queen's Medical Centre, University of Nottingham, Nottingham, United Kingdom
| | - Antoinette MaassenVanDenBrink
- Division of Vascular Medicine and Pharmacology, Department of Internal Medicine, Erasmus MC University Medical Center, Rotterdam, the Netherlands
| | - Nancy E Lane
- Center for Musculoskeletal Health, University of California Davis School of Medicine, Sacramento, CA, USA; Department of Internal Medicine, University of California Davis School of Medicine, Sacramento, CA, USA
| | - Serge Perrot
- Unité INSERM U987, Hôpital Ambroise Paré, Paris Descartes University, Boulogne Billancourt, France; Centre d'Evaluation et Traitement de la Douleur, Hôpital Cochin, Paris Descartes University, Paris, France
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81
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Chronic Pain in Musculoskeletal Diseases: Do You Know Your Enemy? J Clin Med 2022; 11:jcm11092609. [PMID: 35566735 PMCID: PMC9101840 DOI: 10.3390/jcm11092609] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 05/02/2022] [Accepted: 05/03/2022] [Indexed: 02/06/2023] Open
Abstract
Musculoskeletal pain is a condition that characterises several diseases and represents a constantly growing issue with enormous socio-economic burdens, highlighting the importance of developing treatment algorithms appropriate to the patient’s needs and effective management strategies. Indeed, the algic condition must be assessed and treated independently of the underlying pathological process since it has an extremely negative impact on the emotional and psychic aspects of the individual, leading to isolation and depression. A full understanding of the pathophysiological mechanisms involved in nociceptive stimulation and central sensitization is an important step in improving approaches to musculoskeletal pain. In this context, the bidirectional relationship between immune cells and neurons involved in nociception could represent a key point in the understanding of these mechanisms. Therefore, we provide an updated overview of the magnitude of the musculoskeletal pain problem, in terms of prevalence and costs, and summarise the role of the most important molecular players involved in the development and maintenance of pain. Finally, based on the pathophysiological mechanisms, we propose a model, called the “musculoskeletal pain cycle”, which could be a useful tool to counteract resignation to the algic condition and provide a starting point for developing a treatment algorithm for the patient with musculoskeletal pain.
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82
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Keratinocytes take part in the regulation of substance P in melanogenesis through the HPA axis. J Dermatol Sci 2022; 106:141-149. [PMID: 35525773 DOI: 10.1016/j.jdermsci.2022.04.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 04/20/2022] [Accepted: 04/26/2022] [Indexed: 11/21/2022]
Abstract
BACKGROUND Clinical findings have shown that skin depigmentation disorder such as vitiligo may be closely associated with the release of central and peripheral substance P (SP) resulted from chronic psychological stress or sudden mental blow. But the regulatory role of SP and its receptor, tachykinin receptor in the pathogenesis of vitiligo is unclear. OBJECTIVES To investigate the function and mechanism of SP in melanogenesis. METHODS The chronic mental stress was used to explore the intrinsic association between psychological factors, SP and melanogenesis disorder. The effect of SP on melanogenesis through hypothalamic pituitary adrenocortical (HPA) axis was studied by skin culture in vitro. The conditioned medium experiment demonstrated the indirect effect of SP on melanogenesis of B16F10 cells through HaCaT cells. The ability to produce melanin was evaluated by detecting melanin and tyrosinase activity. qRT-PCR, western blotting and immunohistochemistry were used to detect the expression of related genes and proteins in melanogenesis and HPA axis. RESULTS Increased SP expression and reduction of melanogenesis in the skin of mice were observed under mental stress. Melanogenesis was suppressed in the cultured human skin treated with SP due to the down-regulation of melanin-related proteins and HPA axis genes. The melanogenesis of B16F10 cells was inhibited by the conditioned medium of HaCaT cells treated with SP. CONCLUSIONS Overall, these results indicate that excess SP originated from mental stress interferes with melanogenesis through keratinocytes in the skin. The HPA axis is the key downstream to perceive the SP signaling and furtherly regulate the melanogenesis.
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83
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Zieglgänsberger W, Brenneisen R, Berthele A, Wotjak CT, Bandelow B, Tölle TR, Lutz B. Chronic Pain and the Endocannabinoid System: Smart Lipids - A Novel Therapeutic Option? Med Cannabis Cannabinoids 2022; 5:61-75. [PMID: 35702403 PMCID: PMC9149512 DOI: 10.1159/000522432] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 01/21/2022] [Indexed: 08/05/2023] Open
Abstract
The development of a high-end cannabinoid-based therapy is the result of intense translational research, aiming to convert recent discoveries in the laboratory into better treatments for patients. Novel compounds and new regimes for drug treatment are emerging. Given that previously unreported signaling mechanisms for cannabinoids have been uncovered, clinical studies detailing their high therapeutic potential are mandatory. The advent of novel genomic, optogenetic, and viral tracing and imaging techniques will help to further detail therapeutically relevant functional and structural features. An evolutionarily highly conserved group of neuromodulatory lipids, their receptors, and anabolic and catabolic enzymes are involved in a remarkable variety of physiological and pathological processes and has been termed the endocannabinoid system (ECS). A large body of data has emerged in recent years, pointing to a crucial role of this system in the regulation of the behavioral domains of acquired fear, anxiety, and stress-coping. Besides neurons, also glia cells and components of the immune system can differentially fine-tune patterns of neuronal activity. Dysregulation of ECS signaling can lead to a lowering of stress resilience and increased incidence of psychiatric disorders. Chronic pain may be understood as a disease process evoked by fear-conditioned nociceptive input and appears as the dark side of neuronal plasticity. By taking a toll on every part of your life, this abnormal persistent memory of an aversive state can be more damaging than its initial experience. All strategies for the treatment of chronic pain conditions must consider stress-related comorbid conditions since cognitive factors such as beliefs, expectations, and prior experience (memory of pain) are key modulators of the perception of pain. The anxiolytic and anti-stress effects of medical cannabinoids can substantially modulate the efficacy and tolerability of therapeutic interventions and will help to pave the way to a successful multimodal therapy. Why some individuals are more susceptible to the effects of stress remains to be uncovered. The development of personalized prevention or treatment strategies for anxiety and depression related to chronic pain must also consider gender differences. An emotional basis of chronic pain opens a new horizon of opportunities for developing treatment strategies beyond the repeated sole use of acutely acting analgesics. A phase I trial to determine the pharmacokinetics, psychotropic effects, and safety profile of a novel nanoparticle-based cannabinoid spray for oromucosal delivery highlights a remarkable innovation in galenic technology and urges clinical studies further detailing the huge therapeutic potential of medical cannabis (Lorenzl et al.; this issue).
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Affiliation(s)
| | | | | | | | - Borwin Bandelow
- Department of Psychiatry and Psychotherapy, University Medical Center, Göttingen, Germany
| | | | - Beat Lutz
- Institute of Physiological Chemistry, University Medical Center Mainz, Mainz, Germany
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84
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Ebrahimi S, Alalikhan A, Aghaee-Bakhtiari SH, Hashemy SI. The redox modulatory effects of SP/NK1R system: Implications for oxidative stress-associated disorders. Life Sci 2022; 296:120448. [PMID: 35247438 DOI: 10.1016/j.lfs.2022.120448] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 02/04/2022] [Accepted: 02/26/2022] [Indexed: 02/08/2023]
Abstract
Oxidative stress which refers to redox imbalance with increased generation of reactive oxygen species (ROS) has been associated with the pathophysiology of diverse disease conditions. Recently, a close, yet not fully understood, relation between oxidative stress and neuropeptides, in particular, substance P (SP), has been reported in certain conditions. SP has been shown to affect the cellular redox environment through activation of neurokinin-1receptor (NK1R). It seems that SP/NK1R system and oxidative stress can act either synergistically or antagonistically in a context-dependent manner, thereby, influencing the pathology of various clinical disorders either destructively or protectively. Importantly, the interactions between oxidative stress and SP/NK1R system can be pharmacologically targeted. Therefore, a better understanding of the redox modulatory properties of SP/NK1R signaling will pave the way for identifying new therapeutic possibilities for attenuating oxidative stress-mediated damage. Towards this end, we performed a comprehensive search through PubMed/Medline and Scopus databases and discussed all related existing literature regarding the interplay between oxidative stress and SP/NK1R system as well as their implication in various clinical disorders, to provide a clear view and hence better management of oxidative damage.
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Affiliation(s)
- Safieh Ebrahimi
- Department of Clinical Biochemistry, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran; Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Abbas Alalikhan
- Department of Clinical Biochemistry, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran; Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyed Hamid Aghaee-Bakhtiari
- Bioinformatics Research Group, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Medical Biotechnology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyed Isaac Hashemy
- Department of Clinical Biochemistry, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran; Surgical Oncology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
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85
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Rees T, Hendrikse E, Hay D, Walker C. Beyond CGRP: The calcitonin peptide family as targets for migraine and pain. Br J Pharmacol 2022; 179:381-399. [PMID: 34187083 PMCID: PMC9441195 DOI: 10.1111/bph.15605] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 05/20/2021] [Accepted: 06/10/2021] [Indexed: 02/03/2023] Open
Abstract
The CGRP system has emerged as a key pharmacological target for the treatment of migraine. However, some individuals who suffer from migraine have low or no response to anti-CGRP or other treatments, suggesting the need for additional clinical targets. CGRP belongs to the calcitonin family of peptides, which includes calcitonin, amylin, adrenomedullin and adrenomedullin 2. These peptides display a range of pro-nociceptive and anti-nociceptive actions, in primary headache conditions such as migraine. Calcitonin family peptides also show expression at sites relevant to migraine and pain. This suggests that calcitonin family peptides and their receptors, beyond CGRP, may be therapeutically useful in the treatment of migraine and other pain disorders. This review considers the localisation of the calcitonin family in peripheral pain pathways and discusses how they may contribute to migraine and pain. LINKED ARTICLES: This article is part of a themed issue on Advances in Migraine and Headache Therapy (BJP 75th Anniversary). To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v179.3/issuetoc.
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Affiliation(s)
- T.A. Rees
- School of Biological Science, University of Auckland, Auckland, NZ.,Maurice Wilkins Centre for Molecular Biodiscovery, University of Auckland, Auckland, New Zealand
| | - E.R Hendrikse
- School of Biological Science, University of Auckland, Auckland, NZ
| | - D.L. Hay
- School of Biological Science, University of Auckland, Auckland, NZ.,Maurice Wilkins Centre for Molecular Biodiscovery, University of Auckland, Auckland, New Zealand.,Department of Pharmacology and Toxicology, University of Otago, Dunedin, New Zealand.,Corresponding author(s): Christopher S Walker, , Debbie L. Hay,
| | - C.S Walker
- School of Biological Science, University of Auckland, Auckland, NZ.,Maurice Wilkins Centre for Molecular Biodiscovery, University of Auckland, Auckland, New Zealand.,Corresponding author(s): Christopher S Walker, , Debbie L. Hay,
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86
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Rahban M, Danyali S, Zaringhalam J, Manaheji H. Pharmacological blockade of neurokinin1 receptor restricts morphine-induced tolerance and hyperalgesia in the rat. Scand J Pain 2022; 22:193-203. [PMID: 34525274 DOI: 10.1515/sjpain-2021-0052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Accepted: 08/09/2021] [Indexed: 11/15/2022]
Abstract
OBJECTIVES The most notable adverse side effects of chronic morphine administration include tolerance and hyperalgesia. This study investigated the involvement of dorsal root ganglion (DRG) protein kinase Cɛ (PKCɛ) expression during chronic morphine administration and also considered the relationship between DRG PKCɛ expression and the substance P- neurokinin1 receptor (SP- NK1R) activity. METHODS Thirty-six animals were divided into six groups (n=6) in this study. In the morphine and sham groups, rats received 10 µg intrathecal (i.t.) morphine or saline for eight consecutive days, respectively. Behavioral tests were performed on days 1 and 8 before and after the first injections and then 48 h after the last injection (day 10). In the treatment groups, rats received NK1R antagonist (L-732,138, 25 µg) daily, either alone or 10 min before a morphine injection, Sham groups received DMSO alone or 10 min before a morphine injection. Animals were sacrificed on days 8 and 10, and DRG PKCɛ and SP expression were analyzed by western blot and immunohistochemistry techniques, respectively. RESULTS Behavioral tests indicated that tolerance developed following eight days of chronic morphine injection. Hyperalgesia was induced 48 h after the last morphine injection. Expression of SP and PKCɛ in DRG significantly increased in rats that developed morphine tolerance on day 8 and hyperalgesia on day 10, respectively. NK1R antagonist (L-732,138) not only blocked the development of hyperalgesia and the increase of PKCɛ expression but also alleviated morphine tolerance. CONCLUSIONS Our results provide evidence that DRG PKCɛ and SP-NK1R most likely participated in the generation of morphine tolerance and hyperalgesia. Pharmacological inhibition of SP-NK1R activity in the spinal cord suggests a role for NK1R and in restricting some side effects of chronic morphine. All experiments were performed by the National Institute of Health (NIH) Guidelines for the Care and Use of Laboratory Animals (NIH Publication No. 80-23, revised1996) and were approved by the Animal Ethics Committee of Shahid Beheshti University of Medical Sciences, Tehran, Iran (IR.SBMU.MSP.REC.1396.130).
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Affiliation(s)
- Mohammad Rahban
- Department of Physiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Samira Danyali
- Department of Physiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Jalal Zaringhalam
- Neurophysiology Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Homa Manaheji
- Neurophysiology Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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87
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Janković SM, Đešević M. Advancements in neuroactive peptides in seizures. Expert Rev Neurother 2022; 22:129-143. [DOI: 10.1080/14737175.2022.2031983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
- Slobodan M. Janković
- - University of Kragujevac, Faculty of Medical Sciences, Kragujevac, Serbia
- University Clinical Center, Kragujevac, Serbia
| | - Miralem Đešević
- - Private Policlinic Center Eurofarm Sarajevo, Cardiology Department, Sarajevo, Bosnia and Herzegovina
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88
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Bufalo MC, de Almeida MES, Jensen JR, DeOcesano-Pereira C, Lichtenstein F, Picolo G, Chudzinski-Tavassi AM, Sampaio SC, Cury Y, Zambelli VO. Human Sensory Neuron-like Cells and Glycated Collagen Matrix as a Model for the Screening of Analgesic Compounds. Cells 2022; 11:247. [PMID: 35053363 PMCID: PMC8773477 DOI: 10.3390/cells11020247] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 01/04/2022] [Accepted: 01/08/2022] [Indexed: 12/10/2022] Open
Abstract
Increased collagen-derived advanced glycation end-products (AGEs) are consistently related to painful diseases, including osteoarthritis, diabetic neuropathy, and neurodegenerative disorders. We have recently developed a model combining a two-dimensional glycated extracellular matrix (ECM-GC) and primary dorsal root ganglion (DRG) that mimicked a pro-nociceptive microenvironment. However, culturing primary cells is still a challenge for large-scale screening studies. Here, we characterized a new model using ECM-GC as a stimulus for human sensory-like neurons differentiated from SH-SY5Y cell lines to screen for analgesic compounds. First, we confirmed that the differentiation process induces the expression of neuron markers (MAP2, RBFOX3 (NeuN), and TUBB3 (β-III tubulin), as well as sensory neuron markers critical for pain sensation (TRPV1, SCN9A (Nav1.7), SCN10A (Nav1.8), and SCN11A (Nav1.9). Next, we showed that ECM-GC increased c-Fos expression in human sensory-like neurons, which is suggestive of neuronal activation. In addition, ECM-GC upregulated the expression of critical genes involved in pain, including SCN9A and TACR1. Of interest, ECM-GC induced substance P release, a neuropeptide widely involved in neuroinflammation and pain. Finally, morphine, the prototype opiate, decreased ECM-GC-induced substance P release. Together, our results suggest that we established a functional model that can be useful as a platform for screening candidates for the management of painful conditions.
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Affiliation(s)
- Michelle Cristiane Bufalo
- Laboratory of Pain and Signaling, Butantan Institute, São Paulo 05503-900, Brazil; (M.C.B.); (G.P.)
- Center of Excellence in New Target Discovery, Butantan Institute, São Paulo 05503-900, Brazil; (M.E.S.d.A.); (C.D.-P.); (F.L.); (A.M.C.-T.)
| | - Maíra Estanislau Soares de Almeida
- Center of Excellence in New Target Discovery, Butantan Institute, São Paulo 05503-900, Brazil; (M.E.S.d.A.); (C.D.-P.); (F.L.); (A.M.C.-T.)
- Laboratory of Pathophysiology, Butantan Institute, São Paulo 05503-900, Brazil;
| | | | - Carlos DeOcesano-Pereira
- Center of Excellence in New Target Discovery, Butantan Institute, São Paulo 05503-900, Brazil; (M.E.S.d.A.); (C.D.-P.); (F.L.); (A.M.C.-T.)
| | - Flavio Lichtenstein
- Center of Excellence in New Target Discovery, Butantan Institute, São Paulo 05503-900, Brazil; (M.E.S.d.A.); (C.D.-P.); (F.L.); (A.M.C.-T.)
| | - Gisele Picolo
- Laboratory of Pain and Signaling, Butantan Institute, São Paulo 05503-900, Brazil; (M.C.B.); (G.P.)
| | - Ana Marisa Chudzinski-Tavassi
- Center of Excellence in New Target Discovery, Butantan Institute, São Paulo 05503-900, Brazil; (M.E.S.d.A.); (C.D.-P.); (F.L.); (A.M.C.-T.)
- Innovation and Development Laboratory, Innovation and Development Center, Butantan Institute, São Paulo 05503-900, Brazil
| | - Sandra Coccuzzo Sampaio
- Laboratory of Pathophysiology, Butantan Institute, São Paulo 05503-900, Brazil;
- Department of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, São Paulo 05508-220, Brazil
| | - Yara Cury
- Laboratory of Pain and Signaling, Butantan Institute, São Paulo 05503-900, Brazil; (M.C.B.); (G.P.)
| | - Vanessa Olzon Zambelli
- Laboratory of Pain and Signaling, Butantan Institute, São Paulo 05503-900, Brazil; (M.C.B.); (G.P.)
- Center of Excellence in New Target Discovery, Butantan Institute, São Paulo 05503-900, Brazil; (M.E.S.d.A.); (C.D.-P.); (F.L.); (A.M.C.-T.)
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89
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Wang F, Li H, Mu Q, Shan L, Kang Y, Yang S, Chang HC, Su KP, Liu Y. Association of Acute Postoperative Pain and Cigarette Smoking With Cerebrospinal Fluid Levels of Beta-Endorphin and Substance P. Front Mol Neurosci 2022; 14:755799. [PMID: 35177964 PMCID: PMC8845024 DOI: 10.3389/fnmol.2021.755799] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 12/16/2021] [Indexed: 11/25/2022] Open
Abstract
Objectives: Cigarette smoking is associated with postoperative pain perception, which might be mediated by beta-endorphin and substance P. These effects on postoperative pain perception have never been investigated in human cerebrospinal fluid (CSF), which reflects biochemical alterations in the brain. Therefore, we investigated the associations among cigarette smoking, postoperative pain, and levels of beta-endorphin and substance P in human CSF. Methods: We recruited 160 Chinese men (80 active smokers and 80 nonsmokers) who underwent lumbar puncture before anterior cruciate ligament reconstruction, and 5-ml CSF samples were collected. Pain visual analog scale (VAS) scores, post-anesthetic recovery duration (PARD), and smoking variables were obtained. CSF levels of beta-endorphin and substance P were measured. Results: Compared to non-smokers, active smokers had significantly higher pain VAS (2.40 ± 0.67 vs. 1.70 ± 0.86, p < 0.001) and PARD scores (9.13 ± 2.11 vs. 7.27 ± 1.35, p = 0.001), lower CSF beta-endorphin (33.76 ± 1.77 vs. 35.66 ± 2.20, p = 0.001) and higher CSF substance P (2,124.46 ± 217.34 vs. 1,817.65 ± 302.14, p < 0.001) levels. Pain VAS scores correlated with PARD in active smokers (r = 0.443, p = 0.001). Conclusions: Cigarette smoking is associated with increased postoperative pain intensity, shown by delayed pain perception, higher pain VAS scores, and lower beta-endorphin and higher substance P levels in the CSF of active smokers. The more extended postoperative pain perception is delayed, the more pain intensity increases.
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Affiliation(s)
- Fan Wang
- Beijing Hui-Long-Guan Hospital, Peking University, Beijing, China
- Key Laboratory of Psychosomatic Medicine, Inner Mongolia Medical University, Huhhot, China
| | - Hui Li
- Department of Biomedical Engineering, College of Engineering, Peking University, Beijing, China
- Xinjiang Key Laboratory of Neurological Disorder Research, The Second Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Qingshuang Mu
- Xinjiang Key Laboratory of Neurological Disorder Research, The Second Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Ligang Shan
- Key Laboratory of Psychosomatic Medicine, Inner Mongolia Medical University, Huhhot, China
- Department of Anesthesiology, The Second Affiliated Hospital of Xiamen Medical College, Xiamen, China
| | - Yimin Kang
- Key Laboratory of Psychosomatic Medicine, Inner Mongolia Medical University, Huhhot, China
- Department of Anesthesiology, The Affiliated Hospital of Inner Mongolia Medical University, Huhhot, China
| | - Shizhuo Yang
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Hui-Chih Chang
- Department of Psychiatry & Mind-Body Interface Laboratory (MBI-Lab), China Medical University Hospital, Taichung, Taiwan
- College of Medicine, China Medical University, Taichung, Taiwan
| | - Kuan-Pin Su
- Department of Psychiatry & Mind-Body Interface Laboratory (MBI-Lab), China Medical University Hospital, Taichung, Taiwan
- College of Medicine, China Medical University, Taichung, Taiwan
- An-Nan Hospital, China Medical University, Tainan, Taiwan
- *Correspondence: Yanlong Liu Kuan-Pin Su
| | - Yanlong Liu
- The Affiliated Kangning Hospital, Wenzhou Medical University, Wenzhou, China
- School of Mental Health, Wenzhou Medical University, Wenzhou, China
- *Correspondence: Yanlong Liu Kuan-Pin Su
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90
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Somatosensory and autonomic neuronal regulation of the immune response. Nat Rev Neurosci 2022; 23:157-171. [PMID: 34997214 DOI: 10.1038/s41583-021-00555-4] [Citation(s) in RCA: 78] [Impact Index Per Article: 39.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/14/2021] [Indexed: 12/11/2022]
Abstract
Bidirectional communication between the peripheral nervous system (PNS) and the immune system is a crucial part of an effective but balanced mammalian response to invading pathogens, tissue damage and inflammatory stimuli. Here, we review how somatosensory and autonomic neurons regulate immune cellular responses at barrier tissues and in peripheral organs. Immune cells express receptors for neuronal mediators, including neuropeptides and neurotransmitters, allowing neurons to influence their function in acute and chronic inflammatory diseases. Distinct subsets of peripheral sensory, sympathetic, parasympathetic and enteric neurons are able to signal to innate and adaptive immune cells to modulate their cellular functions. In this Review, we highlight recent studies defining the molecular mechanisms by which neuroimmune signalling mediates tissue homeostasis and pathology. Understanding the neural circuitry that regulates immune responses can offer novel targets for the treatment of a wide array of diseases.
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91
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Morgese MG, Bove M, Di Cesare Mannelli L, Schiavone S, Colia AL, Dimonte S, Mhillaj E, Sikora V, Tucci P, Ghelardini C, Trabace L. Precision Medicine in Alzheimer's Disease: Investigating Comorbid Common Biological Substrates in the Rat Model of Amyloid Beta-Induced Toxicity. Front Pharmacol 2022; 12:799561. [PMID: 35046821 PMCID: PMC8763383 DOI: 10.3389/fphar.2021.799561] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 12/01/2021] [Indexed: 12/30/2022] Open
Abstract
Alzheimer's disease (AD), one of the most widespread neurodegenerative disorder, is a fatal global burden for the elder population. Although many efforts have been made, the search of a curative therapy is still ongoing. Individuating phenotypic traits that might help in investigating treatment response is of growing interest in AD research. AD is a complex pathology characterized by many comorbidities, such as depression and increased susceptibility to pain perception, leading to postulate that these conditions may rely on common biological substrates yet to be determined. In order to investigate those biological determinants to be associable with phenotypic traits, we used the rat model of amyloid beta-induced toxicity. This established model of early phase of AD is obtained by the intracerebroventricular injection of soluble amyloid beta1-42 (Aβ) peptide 7 days before performing experiments. In this model, we have previously reported increased immobility in the forced swimming test, reduced cortical serotonin levels and subtle alterations in the cognitive domain a depressive-like phenotype associated with subtle alteration in memory processes. In light of evaluating pain perception in this animal model, we performed two different behavioral tests commonly used, such as the paw pressure test and the cold plate test, to analyze mechanical hyperalgesia and thermal allodynia, respectively. Behavioural outcomes confirmed the memory impairment in the social recognition test and, compared to sham, Aβ-injected rats showed an increased selective susceptibility to mechanical but not to thermal stimulus. Behavioural data were then corroborated by neurochemical and biochemical biomarker analyses either at central or peripheral level. Data showed that the peptide injection evoked a significant increase in hypothalamic glutamate, kynurenine and dopamine content, while serotonin levels were reduced. Plasma Cystatin-C, a cysteine protease, was increased while serotonin and melatonin levels were decreased in Aβ-injected rats. Urinary levels paralleled plasma quantifications, indicating that Aβ-induced deficits in pain perception, mood and cognitive domain may also depend on these biomarkers. In conclusion, in the present study, we demonstrated that this animal model can mimic several comorbid conditions typical of the early phase of AD. Therefore, in the perspective of generating novel therapeutic strategies relevant to precision medicine in AD, this animal model and the biomarkers evaluated herein may represent an advantageous approach.
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Affiliation(s)
- Maria Grazia Morgese
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Maria Bove
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Lorenzo Di Cesare Mannelli
- Pharmacology and Toxicology Section, Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), University of Firenze, Firenze, Italy
| | - Stefania Schiavone
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Anna Laura Colia
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Stefania Dimonte
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Emanuela Mhillaj
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Vladyslav Sikora
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
- Department of Pathology, Sumy State University, Sumy, Ukraine
| | - Paolo Tucci
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Carla Ghelardini
- Pharmacology and Toxicology Section, Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), University of Firenze, Firenze, Italy
| | - Luigia Trabace
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
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92
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Gu S, He Z, Xu Q, Dong J, Xiao T, Liang F, Ma X, Wang F, Huang JH. The Relationship Between 5-Hydroxytryptamine and Its Metabolite Changes With Post-stroke Depression. Front Psychiatry 2022; 13:871754. [PMID: 35558423 PMCID: PMC9086784 DOI: 10.3389/fpsyt.2022.871754] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 03/02/2022] [Indexed: 12/14/2022] Open
Abstract
Post-stroke depression (PSD) is the most common and serious sequelae of stroke. Approximately 33% of stroke survivors were affected by PSD. However, many issues (e.g., incidence, diagnostic marker, and risk factor) related to PSD remained unclear. The "monoamine hypothesis" is a significant hypothesis for depression, which suggests that three monoamines play a key role in depression. Therefore, most current antidepressants are developed to modulate the monoamines on PSD treatment, and these antidepressants have good effects on patients with PSD. However, the potential mechanisms of three monoamines in PSD are still unclear. Previously, we proposed "three primary emotions," which suggested a new model of basic emotions based on the three monoamines. It may provide a new way for PSD treatment. In addition, recent studies have found that monoamine-related emotional intervention also showed potential effects in the treatment and prevention of PSD. This study discusses these issues and attempts to provide a prospect for future research on PSD.
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Affiliation(s)
- Simeng Gu
- Department of Psychology, Jiangsu University Medical School, Zhenjiang, China.,Institute of Brain and Psychological Science, Sichuan Normal University, Chengdu, China
| | - Zhengming He
- Institute of Brain and Psychological Science, Sichuan Normal University, Chengdu, China
| | - Qiuyue Xu
- Department of Nurse, Nanjing University of Chinese Medicine, Nanjing, China
| | - Jie Dong
- Institute of Brain and Psychological Science, Sichuan Normal University, Chengdu, China
| | - Tingwei Xiao
- Institute of Brain and Psychological Science, Sichuan Normal University, Chengdu, China
| | - Fei Liang
- Institute of Brain and Psychological Science, Sichuan Normal University, Chengdu, China
| | - Xianjun Ma
- Section of Brain Diseases, Department of Neurology, Lianyungang Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Lianyungang, China
| | - Fushun Wang
- Institute of Brain and Psychological Science, Sichuan Normal University, Chengdu, China
| | - Jason H Huang
- Department of Neurosurgery, Baylor Scott & White Health, Temple, TX, United States.,Department of Surgery, Texas A&M University College of Medicine, Temple, TX, United States
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93
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Crespo D, Skaftnesmo KO, Kjærner-Semb E, Yilmaz O, Norberg B, Olausson S, Vogelsang P, Bogerd J, Kleppe L, Edvardsen RB, Andersson E, Wargelius A, Hansen TJ, Fjelldal PG, Schulz RW. Pituitary Gonadotropin Gene Expression During Induced Onset of Postsmolt Maturation in Male Atlantic Salmon: In Vivo and Tissue Culture Studies. Front Endocrinol (Lausanne) 2022; 13:826920. [PMID: 35370944 PMCID: PMC8964956 DOI: 10.3389/fendo.2022.826920] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 02/17/2022] [Indexed: 12/25/2022] Open
Abstract
Precocious male maturation causes reduced welfare and increased production costs in Atlantic salmon (Salmo salar) aquaculture. The pituitary produces and releases follicle-stimulating hormone (Fsh), the gonadotropin triggering puberty in male salmonids. However, little is known about how Fsh production is regulated in Atlantic salmon. We examined, in vivo and ex vivo, transcriptional changes of gonadotropin-related genes accompanying the initial steps of testis maturation, in pituitaries of males exposed to photoperiod and temperature conditions promoting maturation (constant light and 16°C). Pituitary fshb, lhb and gnrhr2bba transcripts increased in vivo in maturing males (gonado-somatic index > 0.1%). RNA sequencing (RNAseq) analysis using pituitaries from genetically similar males carrying the same genetic predisposition to mature, but differing by responding or not responding to stimulatory environmental conditions, revealed 144 differentially expressed genes, ~2/3rds being up-regulated in responders, including fshb and other pituitary hormones, steroid-related and other puberty-associated transcripts. Functional enrichment analyses confirmed gene involvement in hormone/steroid production and gonad development. In ex vivo studies, whole pituitaries were exposed to a selection of hormones and growth factors. Gonadotropin-releasing hormone (Gnrh), 17β-estradiol (E2) and 11-ketotestosterone (11-KT) up-regulated gnrhr2bba and lhb, while fshb was up-regulated by Gnrh but down-regulated by 11-KT in pituitaries from immature males. Also pituitaries from maturing males responded to Gnrh and sex steroids by increased gnrhr2bba and lhb transcript levels, but fshb expression remained unchanged. Growth factors (inhibin A, activin A and insulin-like growth factor 1) did not change gnrhr2bba, lhb or fshb transcript levels in pituitaries either from immature or maturing males. Additional pituitary ex vivo studies on candidates identified by RNAseq showed that these transcripts were preferentially regulated by Gnrh and sex steroids, but not by growth factors, and that Gnrh/sex steroids were less effective when incubating pituitaries from maturing males. Our results suggest that a yet to be characterized mechanism up-regulating fshb expression in the salmon pituitary is activated in response to stimulatory environmental conditions prior to morphological signs of testis maturation, and that the transcriptional program associated with this mechanism becomes unresponsive or less responsive to most stimulators ex vivo once males had entered pubertal developmental in vivo.
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Affiliation(s)
- Diego Crespo
- Research Group Reproduction and Developmental Biology, Institute of Marine Research, Bergen, Norway
- *Correspondence: Diego Crespo,
| | - Kai Ove Skaftnesmo
- Research Group Reproduction and Developmental Biology, Institute of Marine Research, Bergen, Norway
| | - Erik Kjærner-Semb
- Research Group Reproduction and Developmental Biology, Institute of Marine Research, Bergen, Norway
| | - Ozlem Yilmaz
- Research Group Reproduction and Developmental Biology, Institute of Marine Research, Austevoll Research Station, Storebø, Norway
| | - Birgitta Norberg
- Research Group Reproduction and Developmental Biology, Institute of Marine Research, Austevoll Research Station, Storebø, Norway
| | - Sara Olausson
- Research Group Reproduction and Developmental Biology, Institute of Marine Research, Austevoll Research Station, Storebø, Norway
| | - Petra Vogelsang
- Research Group Reproduction and Developmental Biology, Institute of Marine Research, Bergen, Norway
| | - Jan Bogerd
- Reproductive Biology Group, Division Developmental Biology, Department Biology, Science Faculty, Utrecht University, Utrecht, Netherlands
| | - Lene Kleppe
- Research Group Reproduction and Developmental Biology, Institute of Marine Research, Bergen, Norway
| | - Rolf B. Edvardsen
- Research Group Reproduction and Developmental Biology, Institute of Marine Research, Bergen, Norway
| | - Eva Andersson
- Research Group Reproduction and Developmental Biology, Institute of Marine Research, Bergen, Norway
| | - Anna Wargelius
- Research Group Reproduction and Developmental Biology, Institute of Marine Research, Bergen, Norway
| | - Tom J. Hansen
- Research Group Reproduction and Developmental Biology, Institute of Marine Research, Matre Research Station, Matredal, Norway
| | - Per Gunnar Fjelldal
- Research Group Reproduction and Developmental Biology, Institute of Marine Research, Matre Research Station, Matredal, Norway
| | - Rüdiger W. Schulz
- Research Group Reproduction and Developmental Biology, Institute of Marine Research, Bergen, Norway
- Reproductive Biology Group, Division Developmental Biology, Department Biology, Science Faculty, Utrecht University, Utrecht, Netherlands
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94
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Lee S, Kim MA, Park JM, Park K, Sohn YC. Multiple tachykinins and their receptors characterized in the gastropod mollusk Pacific abalone: Expression, signaling cascades, and potential role in regulating lipid metabolism. Front Endocrinol (Lausanne) 2022; 13:994863. [PMID: 36187101 PMCID: PMC9521575 DOI: 10.3389/fendo.2022.994863] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 08/15/2022] [Indexed: 11/19/2022] Open
Abstract
Tachykinin (TK) families, including the first neuropeptide substance P, have been intensively explored in bilaterians. Knowledge of signaling of TK receptors (TKRs) has enabled the comprehension of diverse physiological processes. However, TK signaling systems are largely unknown in Lophotrochozoa. This study identified two TK precursors and two TKR isoforms in the Pacific abalone Haliotis discus hannai (Hdh), and characterized Hdh-TK signaling. Hdh-TK peptides harbored protostomian TK-specific FXGXRamide or unique YXGXRamide motifs at the C-termini. A phylogenetic analysis showed that lophotrochozoan TKRs, including Hdh-TKRs, form a monophyletic group distinct from arthropod TKRs and natalisin receptor groups. Although reporter assays demonstrated that all examined Hdh-TK peptides activate intracellular cAMP accumulation and Ca2+ mobilization in Hdh-TKR-expressing mammalian cells, Hdh-TK peptides with N-terminal aromatic residues and C-terminal FXGXRamide motifs were more active than shorter or less aromatic Hdh-TK peptides with a C-terminal YXGXRamide. In addition, we showed that ligand-stimulated Hdh-TKRs mediate ERK1/2 phosphorylation in HEK293 cells and that ERK1/2 phosphorylation is inhibited by PKA and PKC inhibitors. In three-dimensional in silico Hdh-TKR binding modeling, higher docking scores of Hdh-TK peptides were consistent with the lower EC50 values in the reporter assays. The transcripts for Hdh-TK precursors and Hdh-TKR were highly expressed in the neural ganglia, with lower expression levels in peripheral tissues. When abalone were starved for 3 weeks, Hdh-TK1 transcript levels, but not Hdh-TK2, were increased in the cerebral ganglia (CG), intestine, and hepatopancreas, contrasting with the decreased lipid content and transcript levels of sterol regulatory element-binding protein (SREBP). At 24 h post-injection in vivo, the lower dose of Hdh-TK1 mixture increased SREBP transcript levels in the CG and hepatopancreas and accumulative food consumption of abalone. Higher doses of Hdh-TK1 and Hdh-TK2 mixtures decreased the SREBP levels in the CG. When Hdh-TK2-specific siRNA was injected into abalone, intestinal SREBP levels were significantly increased, whereas administration of both Hdh-TK1 and Hdh-TK2 siRNA led to decreased SREBP expression in the CG. Collectively, our results demonstrate the first TK signaling system in gastropod mollusks and suggest a possible role for TK peptides in regulating lipid metabolism in the neural and peripheral tissues of abalone.
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Affiliation(s)
- Seungheon Lee
- Department of Marine Bioscience, Gangneung-Wonju National University, Gangneung, South Korea
| | - Mi Ae Kim
- Department of Marine Bioscience, Gangneung-Wonju National University, Gangneung, South Korea
- East Coast Life Sciences Institute, Gangneung-Wonju National University, Gangneung, South Korea
| | - Jong-Moon Park
- College of Pharmacy, Gachon University, Incheon, South Korea
| | - Keunwan Park
- Natural Product Informatics Research Center, KIST Gangneung Institute of Natural Products, Gangneung, South Korea
| | - Young Chang Sohn
- Department of Marine Bioscience, Gangneung-Wonju National University, Gangneung, South Korea
- *Correspondence: Young Chang Sohn,
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95
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Edvinsson JC, Reducha PV, Sheykhzade M, Warfvinge K, Haanes KA, Edvinsson L. Neurokinins and their receptors in the rat trigeminal system: Differential localization and release with implications for migraine pain. Mol Pain 2021; 17:17448069211059400. [PMID: 34898306 PMCID: PMC8679402 DOI: 10.1177/17448069211059400] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Substance P (SP) and calcitonin gene-related peptide (CGRP) have both been
considered potential drug candidates in migraine therapy. In recent years, CGRP
receptor inhibition has been established as an effective treatment, in
particular as a prophylactic for chronic migraine. Curiously, inhibition of
neurokinin receptor 1 (NK1R) failed to alleviate acute migraine attacks in
clinical trials, and the neurokinins were consequently abandoned as potential
antimigraine candidates. The reason behind this has remained enigmatic. Utilizing immunohistochemistry and semi-quantitative cell counts the expression
of neurokinins and their associated receptors was examined in the rat trigeminal
ganglion. Immunohistochemistry results revealed SP co-localization in CGRP positive neurons
and C-fibres, where it mainly concentrated at boutons. Neurokinin A (NKA) was
observed in a population of C-fibres and small neurons where it could
co-localize with SP. In contrast, neurokinin B (NKB) did not co-localize with SP
and was observed in large/medium sized neurons and Aδ-fibres. All neurokinin
receptors (NK1-3R) were found to be expressed in a majority of trigeminal
ganglion neurons and A-fibres. The functional release of SP and CGRP in the trigeminovascular system was
stimulated with either 60 mM K+ or 100 nM capsaicin and measured with an
enzyme-linked immunosorbent assay (ELISA). ELISA results established that SP can
be released locally from trigeminovascular system. The released SP was
comparatively minor compared to the CGRP release from stimulated dura mater,
trigeminal ganglion neurons and fibres. We hypothesize that SP and CGRP
signalling pathways may work in tandem to exacerbate painful stimuli in the TGV
system.
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Affiliation(s)
- Jacob Ca Edvinsson
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, 53139University of Copenhagen, Copenhagen, Denmark.,Department of Clinical Experimental Research, Copenhagen University Hospital, Rigshospitalet-Glostrup, Glostrup, Denmark
| | - Philip V Reducha
- Department of Clinical Experimental Research, Copenhagen University Hospital, Rigshospitalet-Glostrup, Glostrup, Denmark.,Department of Biology, University of Copenhagen, Copenhagen, Denmark
| | - Majid Sheykhzade
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, 53139University of Copenhagen, Copenhagen, Denmark
| | - Karin Warfvinge
- Department of Clinical Experimental Research, Copenhagen University Hospital, Rigshospitalet-Glostrup, Glostrup, Denmark.,Division of Experimental Vascular Research, Department of Clinical Sciences, Lund University, Lund, Sweden
| | - Kristian A Haanes
- Department of Clinical Experimental Research, Copenhagen University Hospital, Rigshospitalet-Glostrup, Glostrup, Denmark.,Department of Biology, University of Copenhagen, Copenhagen, Denmark
| | - Lars Edvinsson
- Department of Clinical Experimental Research, Copenhagen University Hospital, Rigshospitalet-Glostrup, Glostrup, Denmark.,Division of Experimental Vascular Research, Department of Clinical Sciences, Lund University, Lund, Sweden
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96
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Middendorf JM, Ita ME, Winkelstein BA, H Barocas V. Local tissue heterogeneity may modulate neuronal responses via altered axon strain fields: insights about innervated joint capsules from a computational model. Biomech Model Mechanobiol 2021; 20:2269-2285. [PMID: 34514531 PMCID: PMC9289994 DOI: 10.1007/s10237-021-01506-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 08/12/2021] [Indexed: 02/08/2023]
Abstract
In innervated collagenous tissues, tissue scale loading may contribute to joint pain by transmitting force through collagen fibers to the embedded mechanosensitive axons. However, the highly heterogeneous collagen structures of native tissues make understanding this relationship challenging. Recently, collagen gels with embedded axons were stretched and the resulting axon signals were measured, but these experiments were unable to measure the local axon strain fields. Computational discrete fiber network models can directly determine axon strain fields due to tissue scale loading. Therefore, this study used a discrete fiber network model to identify how heterogeneous collagen networks (networks with multiple collagen fiber densities) change axon strain due to tissue scale loading. In this model, a composite cylinder (axon) was embedded in a Delaunay network (collagen). Homogeneous networks with a single collagen volume fraction and two types of heterogeneous networks with either a sparse center or dense center were created. Measurements of fiber forces show higher magnitude forces in sparse regions of heterogeneous networks and uniform force distributions in homogeneous networks. The average axon strain in the sparse center networks decreases when compared to homogeneous networks with similar collagen volume fractions. In dense center networks, the average axon strain increases compared to homogeneous networks. The top 1% of axon strains are unaffected by network heterogeneity. Based on these results, the interaction of tissue scale loading, collagen network heterogeneity, and axon strains in native musculoskeletal tissues should be considered when investigating the source of joint pain.
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Affiliation(s)
- Jill M Middendorf
- Department of Biomedical Engineering, College of Science and Engineering, University of Minnesota, Nils Hasselmo Hall, 312 Church St SE, Minneapolis, MN, USA
| | - Meagan E Ita
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
| | - Beth A Winkelstein
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
| | - Victor H Barocas
- Department of Biomedical Engineering, College of Science and Engineering, University of Minnesota, Nils Hasselmo Hall, 312 Church St SE, Minneapolis, MN, USA.
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97
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Shi X, Ye C, Qin X, Zhou L, Xia C, Cai T, Xie Y, Yin Z, Hu G. Novel Pituitary Actions of TAC4 Gene Products in Teleost. Int J Mol Sci 2021; 22:ijms222312893. [PMID: 34884698 PMCID: PMC8657723 DOI: 10.3390/ijms222312893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 11/24/2021] [Accepted: 11/24/2021] [Indexed: 11/16/2022] Open
Abstract
Tachykinin 4 (TAC4) is the latest member of the tachykinin family involved in several physiological functions in mammals. However, little information is available about TAC4 in teleost. In the present study, we firstly isolated TAC4 and six neurokinin receptors (NKRs) from grass carp brain and pituitary. Sequence analysis showed that grass carp TAC4 could encode two mature peptides (namely hemokinin 1 (HK1) and hemokinin 2 (HK2)), in which HK2 retained the typical FXGLM motif in C-terminal of tachyinin, while HK1 contained a mutant VFGLM motif. The ligand-receptor selectivity showed that HK2 could activate all 6 NKRs but with the highest activity for the neurokinin receptor 2 (NK2R). Interestingly, HK1 displayed a very weak activation for each NKR isoform. In grass carp pituitary cells, HK2 could induce prolactin (PRL), somatolactin α (SLα), urotensin 1 (UTS1), neuromedin-B 1 (NMB1), cocaine- and amphetamine-regulated transcript 2 (CART2) mRNA expression mediated by NK2R and neurokinin receptor 3 (NK3R) via activation cyclic adenosine monophosphate (cAMP)/protein kinase A (PKA), phospholipase C (PLC)/inositol 1,4,5-triphosphate (IP3)/protein kinase C (PKC) and calcium2+ (Ca2+)/calmodulin (CaM)/calmodulin kinase-II (CaMK II) cascades. However, the corresponding stimulatory effects triggered by HK1 were found to be notably weaker. Furthermore, based on the structural base for HK1, our data suggested that a phenylalanine (F) to valine (V) substitution in the signature motif of HK1 might have contributed to its weak agonistic actions on NKRs and pituitary genes regulation.
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Affiliation(s)
- Xuetao Shi
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China; (X.S.); (C.Y.); (X.Q.); (L.Z.); (C.X.); (T.C.); (Y.X.)
| | - Cheng Ye
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China; (X.S.); (C.Y.); (X.Q.); (L.Z.); (C.X.); (T.C.); (Y.X.)
| | - Xiangfeng Qin
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China; (X.S.); (C.Y.); (X.Q.); (L.Z.); (C.X.); (T.C.); (Y.X.)
| | - Lingling Zhou
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China; (X.S.); (C.Y.); (X.Q.); (L.Z.); (C.X.); (T.C.); (Y.X.)
| | - Chuanhui Xia
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China; (X.S.); (C.Y.); (X.Q.); (L.Z.); (C.X.); (T.C.); (Y.X.)
| | - Tianyi Cai
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China; (X.S.); (C.Y.); (X.Q.); (L.Z.); (C.X.); (T.C.); (Y.X.)
| | - Yunyi Xie
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China; (X.S.); (C.Y.); (X.Q.); (L.Z.); (C.X.); (T.C.); (Y.X.)
| | - Zhan Yin
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
- Correspondence: (Z.Y.); (G.H.)
| | - Guangfu Hu
- College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China; (X.S.); (C.Y.); (X.Q.); (L.Z.); (C.X.); (T.C.); (Y.X.)
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
- Correspondence: (Z.Y.); (G.H.)
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98
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Lasagni Vitar RM, Bonelli F, Atay A, Triani F, Fonteyne P, Di Simone E, Rama P, Mondino A, Ferrari G. Topical neurokinin-1 receptor antagonist Fosaprepitant ameliorates ocular graft-versus-host disease in a preclinical mouse model. Exp Eye Res 2021; 212:108825. [PMID: 34740637 DOI: 10.1016/j.exer.2021.108825] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 10/15/2021] [Accepted: 11/01/2021] [Indexed: 11/15/2022]
Abstract
PURPOSE to assess the effect of topical administration of the Neurokin-1 receptor (NK1R) antagonist Fosaprepitant in a pre-clinical model of ocular Graft-versus-Host disease (GVHD). METHODS BALB/c mice were pre-conditioned by myeloablative total body irradiation and subjected to allogeneic bone marrow transplantation and mature T cell infusion (BM + T). BM-transplanted mice (BM) were used as controls. Ocular GVHD was specifically assessed by quantifying corneal epithelial damage, tear secretion, blepharitis and phimosis, 3 times/week for 28 days post-transplantation. A group of BM + T mice received Fosaprepitant 10 mg/mL, 6 times/day, topically, from day 7-29 after transplantation. After sacrifice, the expression of NK1R, CD45, CD3, and CXCL10 was quantified in the cornea, conjunctiva, and lacrimal gland by immunohistochemistry. RESULTS BM + T mice developed corneal epithelial damage (day 0-29, p < 0.001), blepharitis (day 0-29, p < 0.001), and phimosis (day 0-29, p < 0.01), and experienced decreased tear secretion (day 21, p < 0.01) compared to controls. NK1R was found upregulated in corneal epithelium (p < 0.01) and lacrimal gland (p < 0.01) of BM + T mice. Fosaprepitant administration significantly reduced corneal epithelial damage (p < 0.05), CD45+ (p < 0.05) and CD3+ (p < 0.01) immune cell infiltration in the cornea and conjunctiva (p < 0.001 and p < 0.001, respectively). In addition, Fosaprepitant reduced the expression of CXCL10 in the cornea (p < 0.05) and in the lacrimal gland (p < 0.05). CONCLUSIONS Our results suggest that NK1R represents a novel druggable pathway for the therapy of ocular GVHD.
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Affiliation(s)
- Romina Mayra Lasagni Vitar
- Cornea and Ocular Surface Disease Unit, Eye Repair Lab, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Filippo Bonelli
- Cornea and Ocular Surface Disease Unit, Eye Repair Lab, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Ayça Atay
- Cornea and Ocular Surface Disease Unit, Eye Repair Lab, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Francesca Triani
- Cornea and Ocular Surface Disease Unit, Eye Repair Lab, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Philippe Fonteyne
- Cornea and Ocular Surface Disease Unit, Eye Repair Lab, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Elisabetta Di Simone
- Lymphocyte Activation Unit, Division of Immunology, Transplantation and Infectious Diseases, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Paolo Rama
- Cornea and Ocular Surface Disease Unit, Eye Repair Lab, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Anna Mondino
- Lymphocyte Activation Unit, Division of Immunology, Transplantation and Infectious Diseases, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Giulio Ferrari
- Cornea and Ocular Surface Disease Unit, Eye Repair Lab, IRCCS San Raffaele Scientific Institute, Milan, Italy.
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99
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Malheiro A, Harichandan A, Bernardi J, Seijas-Gamardo A, Konings GF, Volders PGA, Romano A, Mota C, Wieringa P, Moroni L. 3D culture platform of human iPSCs-derived nociceptors for peripheral nerve modelling and tissue innervation. Biofabrication 2021; 14. [PMID: 34736244 DOI: 10.1088/1758-5090/ac36bf] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Accepted: 11/04/2021] [Indexed: 11/11/2022]
Abstract
Functional humanized in vitro nerve models are coveted as an alternative to animal models due to their ease of access, lower cost, clinical relevance and no need for recurrent animal sacrifice. To this end, we developed a sensory nerve model using induced pluripotent stem cells (iPSCs)-derived nociceptors that are electrically active and exhibit a functional response to noxious stimuli. The differentiated neurons were co-cultured with primary Schwann cells on an aligned microfibrous scaffold to produce biomimetic peripheral nerve tissue. Compared to glass coverslips, our scaffold enhances tissue development and stabilization. Using this model, we demonstrate that myelin damage can be induced from hyperglycemia exposure (glucose at 45 mM) and mitigated by epalrestat (1µM) supplementation. Through fibrin embedding of the platform, we were able to create 3D anisotropic myelinated tissue, reaching over 6.5 mm in length. Finally, as a proof-of-concept, we incorporated pancreatic pseudoislets and endometrial organoids into our nerve platform, to demonstrate the potential in generating nociceptor innervation models. In summary, we propose here an improved tool for neurobiology research with potential applications in pathology modelling, drug screening and target tissue innervation.
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Affiliation(s)
- Afonso Malheiro
- Complex Tissue Regeneration department, Maastricht University, Universiteitssingel 40, Maastricht, 6200 MD, NETHERLANDS
| | - Abhishek Harichandan
- Complex Tissue Regeneration department, Maastricht University, Universiteitssingel, 40, Maastricht, 6200 MD, NETHERLANDS
| | - Joyce Bernardi
- Department of Cardiology, Maastricht University, Universiteitssingel 50, Maastricht, 6200 MD, NETHERLANDS
| | - Adrián Seijas-Gamardo
- Complex Tissue Regeneration department, Maastricht University, Universiteitssingel 40, Maastricht, 6200 MD, NETHERLANDS
| | - Gonda F Konings
- Department of Gynaecology, Maastricht University, Universiteitssingel 50, Maastricht, 6200 MD, NETHERLANDS
| | - Paul G A Volders
- Department of Cardiology, Maastricht University, Universiteitssingel 50, Maastricht, 6200 MD, NETHERLANDS
| | - Andrea Romano
- Department of Gynaecology, Maastricht University, Universiteitssingel 50, Maastricht, 6200 MD, NETHERLANDS
| | - Carlos Mota
- Department of Complex Tissue Regeneration (CTR), Maastricht University, Universiteitssingel, 40, office 3.541A, Maastricht, 6229 ER, NETHERLANDS
| | - Paul Wieringa
- Complex Tissue Regeneration, Maastricht University MERLN Institute for Technology-Inspired Regenerative Medicine, Universiteitssingel 40, Maastricht, 6229ER, NETHERLANDS
| | - Lorenzo Moroni
- Complex Tissue Regeneration, Maastricht University, Universiteitsingel, 40, Maastricht, 6200 MD, NETHERLANDS
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100
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Single-Cell RNA-Sequencing Identifies Infrapatellar Fat Pad Macrophage Polarization in Acute Synovitis/Fat Pad Fibrosis and Cell Therapy. Bioengineering (Basel) 2021; 8:bioengineering8110166. [PMID: 34821732 PMCID: PMC8615266 DOI: 10.3390/bioengineering8110166] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 10/22/2021] [Accepted: 10/26/2021] [Indexed: 12/13/2022] Open
Abstract
The pathogenesis and progression of knee inflammatory pathologies is modulated partly by residing macrophages in the infrapatellar fat pad (IFP), thus, macrophage polarization towards pro-inflammatory (M1) or anti-inflammatory (M2) phenotypes is important in joint disease pathologies. Alteration of M1/M2 balance contributes to the initiation and progression of joint inflammation and can be potentially altered with mesenchymal stem cell (MSC) therapy. In an acute synovial/IFP inflammation rat model a single intra-articular injection of IFP-MSC was performed, having as controls (1) diseased rats not receiving IFP-MSC and (2) non-diseased rats. After 4 days, cell specific transcriptional profiling via single-cell RNA-sequencing was performed on isolated IFP tissue from each group. Eight transcriptomically distinct cell populations were identified within the IFP across all three treatment groups with a noted difference in the proportion of myeloid cells across the groups. Largely myeloid cells consisted of macrophages (>90%); one M1 sub-cluster highly expressing pro-inflammatory markers and two M2 sub-clusters with one of them expressing higher levels of canonical M2 markers. Notably, the diseased samples (11.9%) had the lowest proportion of cells expressing M2 markers relative to healthy (14.8%) and MSC treated (19.4%) samples. These results suggest a phenotypic polarization of IFP macrophages towards the pro-inflammatory M1 phenotype in an acute model of inflammation, which are alleviated by IFP-MSC therapy inducing a switch towards an alternate M2 status. Understanding the IFP cellular heterogeneity and associated transcriptional programs may offer insights into novel therapeutic strategies for disabling joint disease pathologies.
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