1
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Ni M, Zheng M, Chen B, Lu X, Zhao H, Zhu T, Cheng L, Han H, Ye T, Liu H, Ye Y, Huang C, Yuan X. Microglial stimulation triggered by intranasal lipopolysaccharide administration produces antidepressant-like effect through ERK1/2-mediated BDNF synthesis in the hippocampus. Neuropharmacology 2023; 240:109693. [PMID: 37678448 DOI: 10.1016/j.neuropharm.2023.109693] [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: 04/10/2023] [Revised: 08/24/2023] [Accepted: 08/26/2023] [Indexed: 09/09/2023]
Abstract
We recently reported that reversing the chronic stress-induced decline of microglia in the dentate gyrus (DG) of the hippocampus by intraperitoneal injection of a low dose of lipopolysaccharide (LPS) ameliorated depression-like behavior in chronically stressed mice. In this study, we found that a single intranasal administration of LPS dose-dependently improved depression-like behavior in mice treated with chronic unpredictable stress (CUS), as evidenced by the reduction of immobility time in the tail suspension test (TST) and forced swimming test (FST) and by the increase of sucrose uptake in the sucrose preference test (SPT). The antidepressant effects of intranasal administration of LPS could be abolished by inhibition of brain-derived neurotrophic factor (BDNF) signaling by infusion of an anti-BDNF antibody, by knock-in of the mutant BDNF Val68Met allele, or by the BDNF receptor antagonist K252a. In addition, intranasal administration of LPS was found to exert antidepressant effects in a BDNF-dependent manner via promotion of BDNF synthesis mediated by extracellular signal-regulated kinase 1/2 (ERK1/2) signaling but not protein kinase B (Akt)-mammalian target of rapamycin (mTOR) signaling in DG. Inhibition of microglia by minocycline or depletion of microglia by PLX3397 was able to abolish the reversal effect of intranasal LPS administration on CUS-induced depression-like behaviors as well as the CUS-induced decrease in phospho-ERK1/2 and BDNF protein levels in DG. These results demonstrate that stimulation of hippocampal microglia by intranasal LPS administration can induce antidepressant effects via ERK1/2-dependent synthesis of BDNF protein, providing hope for the development of new strategies for the treatment of depression.
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Affiliation(s)
- Mingxie Ni
- Department of Pharmacy, Changzhou Geriatric Hospital Affiliated to Soochow University, Changzhou No.7 People's Hospital, 288# Yanling East Road, Changzhou, 213000, Jiangsu, China
| | - Meng Zheng
- Department of Pharmacology, School of Pharmacy, Nantong University, #19 Qixiu Road, Nantong, 226001, Jiangsu, China
| | - Bingran Chen
- Department of Pharmacology, School of Pharmacy, Nantong University, #19 Qixiu Road, Nantong, 226001, Jiangsu, China
| | - Xu Lu
- Department of Pharmacology, School of Pharmacy, Nantong University, #19 Qixiu Road, Nantong, 226001, Jiangsu, China
| | - Hui Zhao
- Department of Pharmacology, School of Pharmacy, Nantong University, #19 Qixiu Road, Nantong, 226001, Jiangsu, China
| | - Tao Zhu
- Department of Pharmacology, School of Pharmacy, Nantong University, #19 Qixiu Road, Nantong, 226001, Jiangsu, China
| | - Li Cheng
- Department of Pharmacy, Changzhou Geriatric Hospital Affiliated to Soochow University, Changzhou No.7 People's Hospital, 288# Yanling East Road, Changzhou, 213000, Jiangsu, China
| | - Han Han
- Department of Pharmacology, School of Pharmacy, Nantong University, #19 Qixiu Road, Nantong, 226001, Jiangsu, China
| | - Ting Ye
- Department of Pharmacology, School of Pharmacy, Nantong University, #19 Qixiu Road, Nantong, 226001, Jiangsu, China
| | - Huijun Liu
- Department of Pharmacy, Yancheng First Hospital, The Fourth Affiliated Hospital of Nantong University, #66 Renmin South Road, Yancheng, 224006, Jiangsu, China
| | - Ying Ye
- Department of Ultrasound, Affiliated Hospital of Nantong University, #20 Xisi Road, Nantong, 226001, Jiangsu, China
| | - Chao Huang
- Department of Pharmacology, School of Pharmacy, Nantong University, #19 Qixiu Road, Nantong, 226001, Jiangsu, China.
| | - Xiaomei Yuan
- Department of Cardiology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, #32 Xi'er Duan, 1ST Ring Road, Chengdu, 610072, Sichuan, China.
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2
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Zhang T, Zhang M, Cui S, Liang W, Jia Z, Guo F, Ou W, Wu Y, Zhang S. The core of maintaining neuropathic pain: Crosstalk between glial cells and neurons (neural cell crosstalk at spinal cord). Brain Behav 2023; 13:e2868. [PMID: 36602945 PMCID: PMC9927860 DOI: 10.1002/brb3.2868] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 11/29/2022] [Accepted: 12/06/2022] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND Neuropathic pain (NP) caused by the injury or dysfunction of the nervous system is a chronic pain state accompanied by hyperalgesia, and the available clinical treatment is relatively scarce. Hyperalgesia mediated by pro-inflammatory factors and chemokines plays an important role in the occurrence and maintenance of NP. DATA TREATMENT Therefore, we conducted a systematic literature review of experimental NP (PubMed Medline), in order to find the mechanism of inducing central sensitization and explore the intervention methods of hyperalgesia caused by real or simulated injury. RESULT In this review, we sorted out the activation pathways of microglia, astrocytes and neurons, and the process of crosstalk among them. It was found that in NP, the microglia P2X4 receptor is the key target, which can activate the mitogen-activated protein kinase pathway inward and then activate astrocytes and outwardly activate neuronal tropomyosin receptor kinase B receptor to activate neurons. At the same time, activated neurons continue to maintain the activation of astrocytes and microglia through chemokines on CXCL13/CXCR5 and CX3CL1/CX3CR1. This crosstalk process is the key to maintaining NP. CONCLUSION We summarize the further research on crosstalk among neurons, microglia, and astrocytes in the central nervous system, elaborate the ways and connections of relevant crosstalk, and find potential crosstalk targets, which provides a reference for drug development and preclinical research.
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Affiliation(s)
- Tianrui Zhang
- Department of Pharmacology of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Mingqian Zhang
- Department of Pharmacology of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Shuang Cui
- Department of Pharmacology of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Wulin Liang
- Department of Pharmacology of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Zhanhong Jia
- Department of Pharmacology of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Fanfan Guo
- Department of Pharmacology of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Wenjing Ou
- Department of Pharmacology of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Yonghong Wu
- Department of Pharmacology of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Shuofeng Zhang
- Department of Pharmacology of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
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3
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Pereira-Silva R, Serrão P, Lourença Neto F, Martins I. Diffuse noxious inhibitory controls in chronic joint inflammatory Pain: Study of the descending serotonergic modulation mediated through 5HT3 receptors. NEUROBIOLOGY OF PAIN (CAMBRIDGE, MASS.) 2023; 13:100123. [PMID: 36915290 PMCID: PMC10006856 DOI: 10.1016/j.ynpai.2023.100123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 02/27/2023] [Accepted: 02/27/2023] [Indexed: 03/05/2023]
Abstract
The loss of diffuse noxious inhibitory controls (DNIC) is recognized as a predictor of chronic pain. Mechanistically, DNIC produces analgesia by a heterotopically applied conditioning-noxious stimulus (CS) and yet underexplored descending modulatory inputs. Here, we aimed at studying DNIC in monoarthritis (MA) by exploring the spinal component of the descending serotonergic system, specifically 5-hydroxytryptamine 3 receptors (5-HT3R). MA was induced in male Wistar rats by tibiotarsal injection of complete Freund's adjuvant. Mechanical hyperalgesia and DNIC were assessed weekly by the Randall-Selitto test. Immunohistochemistry was used to quantify spinal 5-HT3R, and tryptophan hydroxylase (TPH) colocalization with phosphorylated extracellular signal-regulated protein kinases 1/2 at the rostroventromedial medulla (RVM). Spinal serotonin (5-HT) was quantified by HPLC. The effects of intrathecal ondansetron, a 5-HT3R antagonist, were assessed on mechanical hyperalgesia and DNIC. MA resulted in a prolonged steady-state mechanical hyperalgesia. In contrast, DNIC peaked after 28 days, decreasing afterwards until extinction at 42 days. At this later timepoint, MA rats showed increased: (i) spinal 5-HT3R and 5-HT levels, (ii) neuronal serotonergic activation and TPH expression at the RVM. Ondansetron reversed mechanical hyperalgesia and restored DNIC, regardless of being administered before or after CS. However, data variability was higher upon administration before CS in MA-animals. Prolonged MA upregulates the descending serotonergic modulation, which simultaneously results in increased nociception and DNIC extinction, through 5-HT3R. Our data suggest a role for spinal 5-HT3R in the top-down modulation of DNIC. Additionally, these receptors may also be involved in the bottom-up circuitry implicated in the trigger of DNIC.
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Affiliation(s)
- Raquel Pereira-Silva
- Instituto de Investigação e Inovação em Saúde da Universidade do Porto (I3S). Rua Alfredo Allen 208, 4200 393 Porto, Portugal.,Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto. Rua Alfredo Allen 208, 4200-393 Porto, Portugal.,Departamento de Biomedicina - Unidade de Biologia Experimental, Faculdade de Medicina, Universidade do Porto. Alameda Prof. Hernâni Monteiro 4200-319 Porto, Portugal
| | - Paula Serrão
- Departamento de Biomedicina - Unidade de Farmacologia e Terapêutica, Faculdade de Medicina, Universidade do Porto. Alameda Prof. Hernâni Monteiro 4200-319 Porto, Portugal.,MedInUP - Center for Drug Discovery and Innovative Medicines, University of Porto. Alameda Prof. Hernâni Monteiro 4200-319 Porto, Portugal
| | - Fani Lourença Neto
- Instituto de Investigação e Inovação em Saúde da Universidade do Porto (I3S). Rua Alfredo Allen 208, 4200 393 Porto, Portugal.,Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto. Rua Alfredo Allen 208, 4200-393 Porto, Portugal.,Departamento de Biomedicina - Unidade de Biologia Experimental, Faculdade de Medicina, Universidade do Porto. Alameda Prof. Hernâni Monteiro 4200-319 Porto, Portugal
| | - Isabel Martins
- Instituto de Investigação e Inovação em Saúde da Universidade do Porto (I3S). Rua Alfredo Allen 208, 4200 393 Porto, Portugal.,Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto. Rua Alfredo Allen 208, 4200-393 Porto, Portugal.,Departamento de Biomedicina - Unidade de Biologia Experimental, Faculdade de Medicina, Universidade do Porto. Alameda Prof. Hernâni Monteiro 4200-319 Porto, Portugal
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Ge MM, Chen N, Zhou YQ, Yang H, Tian YK, Ye DW. Galectin-3 in Microglia-Mediated Neuroinflammation: Implications for Central Nervous System Diseases. Curr Neuropharmacol 2022; 20:2066-2080. [PMID: 35105290 PMCID: PMC9886847 DOI: 10.2174/1570159x20666220201094547] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 12/27/2021] [Accepted: 01/29/2022] [Indexed: 11/22/2022] Open
Abstract
Microglial activation is one of the common hallmarks shared by various central nervous system (CNS) diseases. Based on surrounding circumstances, activated microglia play either detrimental or neuroprotective effects. Galectin-3 (Gal-3), a group of β-galactoside-binding proteins, has been cumulatively revealed to be a crucial biomarker for microglial activation after injuries or diseases. In consideration of the important role of Gal-3 in the regulation of microglial activation, it might be a potential target for the treatment of CNS diseases. Recently, Gal-3 expression has been extensively investigated in numerous pathological processes as a mediator of neuroinflammation, as well as in cell proliferation. However, the underlying mechanisms of Gal-3 involved in microgliamediated neuroinflammation in various CNS diseases remain to be further investigated. Moreover, several clinical studies support that the levels of Gal-3 are increased in the serum or cerebrospinal fluid of patients with CNS diseases. Thus, we summarized the roles and underlying mechanisms of Gal-3 in activated microglia, thus providing a better insight into its complexity expression pattern, and contrasting functions in CNS diseases.
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Affiliation(s)
- Meng-Meng Ge
- Department of Anesthesiology and Pain Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China;
| | - Nan Chen
- Department of Anesthesiology and Pain Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China;
| | - Ya-Qun Zhou
- Department of Anesthesiology and Pain Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China;
| | - Hui Yang
- Department of Anesthesiology and Pain Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China;
| | - Yu-Ke Tian
- Department of Anesthesiology and Pain Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; ,Address correspondence to these authors at the Department of Neurosurgery, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, 030032, China. E-mail: ., Department of Anesthesiology and Pain Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China. E-mail:
| | - Da-Wei Ye
- Department of Neurosurgery, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, 030032, China; ,Cancer Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China,Address correspondence to these authors at the Department of Neurosurgery, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, 030032, China. E-mail: ., Department of Anesthesiology and Pain Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China. E-mail:
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5
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Borgonetti V, López V, Galeotti N. Ylang-ylang (Cananga odorata (Lam.) Hook. f. & Thomson) essential oil reduced neuropathic-pain and associated anxiety symptoms in mice. JOURNAL OF ETHNOPHARMACOLOGY 2022; 294:115362. [PMID: 35551977 DOI: 10.1016/j.jep.2022.115362] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 04/20/2022] [Accepted: 05/06/2022] [Indexed: 06/15/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Ylang-ylang essential oil (YEO), obtained from the flowers of the tropical tree Cananga odorata (Lam.) Hook. f. & Thomson (family Annonaceae), has been largely used in the traditional medicine with many uses, including anxiety and altered neuronal states. Neuropathic pain is a chronic pain condition with a high incidence of comorbidities, such as anxiety, depression, and other mood disorders, that drastically affect the patient's quality of life. The currently available drugs used for the management of neuropathic pain are inadequate due to poor efficacy and tolerability, highlighting the medicinal need of a better pharmacotherapy. Several clinical studies have reported that massage or inhalation with selected essentials oils reduces symptoms associated to pain and anxiety. AIM OF THE STUDY The aim of this study was to investigate the analgesic properties of YEO and its efficacy in reducing neuropathy-associated mood alterations. MATERIALS AND METHODS The analgesic properties were tested in the spared nerve injury (SNI) model using male mice. Anxiolytic, antidepressant, and locomotor properties were also evaluated using behavioural tests. Finally, the YEO mechanism of action was investigated in the spinal cord and hippocampus of neuropathic mice. RESULTS Oral administration of YEO (30 mg/kg) reduced SNI-induced neuropathic pain and ameliorates pain-related anxiety symptoms that appeared 28 days after surgery. YEO reduced the expression of MAPKs, NOS2, p-p65, markers of neuroinflammation, and promoted normalizing effect on neurotrophin levels (BDNF). CONCLUSIONS YEO induced neuropathic pain relief and ameliorated pain-associated anxiety, representing an interesting candidate for the management of neuropathic pain conditions and pain-related comorbidities.
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Affiliation(s)
- Vittoria Borgonetti
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), Section of Pharmacology and Toxicology, University of Florence, Viale G. Pieraccini 6, 50139, Florence, Italy
| | - Víctor López
- Department of Pharmacy, Faculty of Health Sciences, Universidad San Jorge, 50.830, Villanueva de Gállego, Zaragoza, Spain; Instituto Agroalimentario de Aragón-IA2 (CITA-Universidad de Zaragoza), 50013, Zaragoza, Spain.
| | - Nicoletta Galeotti
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), Section of Pharmacology and Toxicology, University of Florence, Viale G. Pieraccini 6, 50139, Florence, Italy
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6
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Dong CR, Zhang WJ, Luo HL. Association between P2X3 receptors and neuropathic pain: As a potential therapeutic target for therapy. Biomed Pharmacother 2022; 150:113029. [PMID: 35489283 DOI: 10.1016/j.biopha.2022.113029] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Revised: 04/18/2022] [Accepted: 04/21/2022] [Indexed: 11/02/2022] Open
Abstract
Neuropathic pain is a common clinical symptom of various diseases, and it seriously affects the physical and mental health of patients. Owing to the complex pathological mechanism of neuropathic pain, clinical treatment of pain is challenging. Therefore, there is growing interest among researchers to explore potential therapeutic strategies for neuropathic pain. A large number of studies have shown that development of neuropathic pain is related to nerve conduction and related signaling molecules. P2X3 receptors (P2X3R) are ATP-dependent ion channels that participate in the transmission of neural information and related signaling pathways, sensitize the central nervous system, and play a key role in the development of neuropathic pain. In this paper, we summarized the structure and biological characteristics of the P2X3R gene and discussed the role of P2X3R in the nervous system. Moreover, we outlined the related pathological mechanisms of pain and described the relationship between P2X3R and chronic pain to provide valuable information for development of novel treatment strategies for pain.
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Affiliation(s)
- Cai-Rong Dong
- The Second Affiliated Hospital, Nanchang University, Nanchang, Jiangxi 343000, China
| | - Wen-Jun Zhang
- The Second Affiliated Hospital, Nanchang University, Nanchang, Jiangxi 343000, China.
| | - Hong-Liang Luo
- The Second Affiliated Hospital, Nanchang University, Nanchang, Jiangxi 343000, China
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7
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Ito A, Fukaya M, Okamoto H, Sakagami H. Physiological and Pathological Roles of the Cytohesin Family in Neurons. Int J Mol Sci 2022; 23:5087. [PMID: 35563476 PMCID: PMC9104363 DOI: 10.3390/ijms23095087] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Revised: 05/01/2022] [Accepted: 05/02/2022] [Indexed: 02/05/2023] Open
Abstract
The cytohesin proteins, consisting of four closely related members (cytohesins-1, -2, -3, and -4), are a subfamily of the Sec7 domain-containing guanine nucleotide exchange factors for ADP ribosylation factors (Arfs), which are critical regulators of membrane trafficking and actin cytoskeleton remodeling. Recent advances in molecular biological techniques and the development of a specific pharmacological inhibitor for cytohesins, SecinH3, have revealed the functional involvement of the cytohesin-Arf pathway in diverse neuronal functions from the formation of axons and dendrites, axonal pathfinding, and synaptic vesicle recycling, to pathophysiological processes including chronic pain and neurotoxicity induced by proteins related to neurodegenerative disorders, such as amyotrophic lateral sclerosis and Alzheimer's disease. Here, we review the physiological and pathological roles of the cytohesin-Arf pathway in neurons and discuss the future directions of this research field.
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Affiliation(s)
- Akiko Ito
- Department of Anesthesiology, Kitasato University School of Medicine, Sagamihara 252-0374, Kanagawa, Japan; (A.I.); (H.O.)
- Department of Anatomy, Kitasato University School of Medicine, Sagamihara 252-0374, Kanagawa, Japan;
| | - Masahiro Fukaya
- Department of Anatomy, Kitasato University School of Medicine, Sagamihara 252-0374, Kanagawa, Japan;
| | - Hirotsugu Okamoto
- Department of Anesthesiology, Kitasato University School of Medicine, Sagamihara 252-0374, Kanagawa, Japan; (A.I.); (H.O.)
| | - Hiroyuki Sakagami
- Department of Anatomy, Kitasato University School of Medicine, Sagamihara 252-0374, Kanagawa, Japan;
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8
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Wu D, Pan J, Zhang D. Inhibition of PKC-δ reduce rhabdomyolysis-induced acute kidney injury. J Cell Mol Med 2022; 26:3243-3253. [PMID: 35502493 PMCID: PMC9170808 DOI: 10.1111/jcmm.17331] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 03/15/2022] [Accepted: 03/22/2022] [Indexed: 12/12/2022] Open
Abstract
Despite extensive research, the mechanisms underlying rhabdomyolysis-induced acute kidney injury (AKI) remain largely elusive. In this study, we established both cell and murine models of rhabdomyolysis-induced AKI by using myoglobin and glycerin, respectively, and provided evidence that protein kinase Cδ (PKC-δ) was activated in both models and subsequently promoted cell apoptosis. Moreover, we found that this detrimental effect of PKC-δ activation can be reversed by its pharmaceutical inhibitor rottlerin. Furthermore, we detected and confirmed the existence of PKC-δ-mediated myoglobin-induced cell apoptosis and the expression of TNF-α and IL1-β via regulation of the p38MAPK and ERK1/2 signalling pathways. In summary, our research revealed the role of PKC-δ in renal cell apoptosis and suggests that PKC-δ is a viable therapeutic target for rhabdomyolysis-induced AKI.
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Affiliation(s)
- Dengke Wu
- Department of Emergency Medicine, Second Xiangya Hospital of Central South University, Changsha, China.,Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Changsha, China
| | - Jian Pan
- Department of Emergency Medicine, Second Xiangya Hospital of Central South University, Changsha, China.,Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Changsha, China
| | - Dongshan Zhang
- Department of Emergency Medicine, Second Xiangya Hospital of Central South University, Changsha, China.,Emergency Medicine and Difficult Diseases Institute, Second Xiangya Hospital, Changsha, China
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9
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Abstract
BACKGROUND Pain and depression have a high impact on caring for the people who need palliative care, but both of these are neglected compared with the approach for other symptoms encountered by these patients. AREAS OF UNCERTAINTY There are few studies in humans that support the existence of common neural circuits between depression and pain that also explore the use of drugs with effects in both conditions. More knowledge is needed about the relationship of these clinical entities that will lead to the optimization of the treatment and improvement of quality of life. DATA SOURCES We conducted a search in PubMed to identify relevant articles and reviews that have been published in the last 5 years, concerning the topic of common pathways between depression and pain (2014-April 2019). THERAPEUTIC ADVANCES The connections between the 2 clinical entities start at the level of the cortical regions. The hippocampus is the main site of neural changes, modification of the immune system, neuromodulators, neurotransmitters, and signaling pathways implicated in both conditions. Increased levels of peripheral proinflammatory cytokines and neuroinflammatory changes are related to the physiopathology of these entities. Inflammation links depression and pain by altering neural circuits and changes in their common cortical regions. Antidepressants are used to treat depression and chronic, pain but more experimental studies are needed to determine which antidepressant drugs are the most effective in treating the 2 entities. CONCLUSIONS Pharmacological and nonpharmacological interventions targeting cortical changes in pain and depression are promising, but more clinical studies are needed to validate their usefulness.
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10
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Li CL, Yang R, Sun Y, Feng Y, Song YB. N58A Exerts Analgesic Effect on Trigeminal Neuralgia by Regulating the MAPK Pathway and Tetrodotoxin-Resistant Sodium Channel. Toxins (Basel) 2021; 13:toxins13050357. [PMID: 34067828 PMCID: PMC8157219 DOI: 10.3390/toxins13050357] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/07/2021] [Accepted: 05/08/2021] [Indexed: 01/15/2023] Open
Abstract
The primary studies have shown that scorpion analgesic peptide N58A has a significant effect on voltage-gated sodium channels (VGSCs) and plays an important role in neuropathic pain. The purpose of this study was to investigate the analgesic effect of N58A on trigeminal neuralgia (TN) and its possible mechanism. The results showed that N58A could significantly increase the threshold of mechanical pain and thermal pain and inhibit the spontaneous asymmetric scratching behavior of rats. Western blotting results showed that N58A could significantly reduce the protein phosphorylation level of ERK1/2, P38, JNK, and ERK5/CREB pathways and the expression of Nav1.8 and Nav1.9 proteins in a dose-dependent manner. The changes in current and kinetic characteristics of Nav1.8 and Nav1.9 channels in TG neurons were detected by the whole-cell patch clamp technique. The results showed that N58A significantly decreased the current density of Nav1.8 and Nav1.9 in model rats, and shifted the activation curve to hyperpolarization and the inactivation curve to depolarization. In conclusion, the analgesic effect of N58A on the chronic constriction injury of the infraorbital (IoN-CCI) model rats may be closely related to the regulation of the MAPK pathway and Nav1.8 and Nav1.9 sodium channels.
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Affiliation(s)
- Chun-Li Li
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang 110016, China; (C.-L.L.); (R.Y.); (Y.S.); (Y.F.)
| | - Ran Yang
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang 110016, China; (C.-L.L.); (R.Y.); (Y.S.); (Y.F.)
| | - Yang Sun
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang 110016, China; (C.-L.L.); (R.Y.); (Y.S.); (Y.F.)
| | - Yuan Feng
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang 110016, China; (C.-L.L.); (R.Y.); (Y.S.); (Y.F.)
| | - Yong-Bo Song
- School of Life Sciences and Biopharmaceutical Science, Shenyang Pharmaceutical University, Shenyang 110016, China
- Correspondence:
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11
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Prasad Md A, Chakravarthy Md K. Review of complex regional pain syndrome and the role of the neuroimmune axis. Mol Pain 2021; 17:17448069211006617. [PMID: 33788654 PMCID: PMC8020088 DOI: 10.1177/17448069211006617] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Background Complex regional pain syndrome (CRPS) is a progressive and painful disease of
the extremities that is characterized by continuous pain inconsistent with
the initial trauma. CRPS is caused by a multi-mechanism process that
involves both the peripheral and central nervous system, with a prominent
role of inflammation in CRPS pathophysiology. This review examines what is
currently known about the CRPS inflammatory and pain mechanisms, as well as
the possible impact of neurostimulation therapies on the neuroimmune axis of
CRPS. Study design A narrative review of preclinical and clinical studies provided an overview
of the pain and inflammatory mechanisms in CRPS and addressed the effect of
neurostimulation on immunomodulation. Methods A systematic literature search was conducted based on the PRISMA guidelines
between September 2015 to September 2020. Data sources included relevant
literature identified through searches of PubMed, Embase and the Cochrane
Database of Systematic Reviews. Results Sixteen preclinical and eight clinical studies were reviewed. Preclinical
studies identified different mechanisms of pain development in the acute and
chronic CRPS phases. Several preclinical and clinical studies investigating
inflammatory mechanisms, autoimmunity, and genetic profiles in CRPS,
supported a role of neuroinflammation in the pathophysiology of CRPS. The
immunomodulatory effects of neurostimulation therapy is still unclear,
despite clinical improvement in the CRPS patients. Conclusions Increasing evidence supports a role for inflammation and neuroinflammation in
CRPS pathophysiology. Preliminary neurostimulation findings, together with
the role of (neuro)inflammation in CRPS, seems to provide a compelling
rationale for its use in CRPS pain treatment. The possible immunomodulatory
effects of neurostimulation opens new therapeutic possibilities, however
further research is needed to gain a better understanding of the working
mechanisms.
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Affiliation(s)
- Amrita Prasad Md
- Axxon Pain, Brisbane Private Hospital, 259 Wickham Terrace, Brisbane, Queensland 4000, Australia
| | - Krishnan Chakravarthy Md
- Division of Pain Medicine, Department of Anesthesiology, University of California San Diego, La Jolla, CA, USA.,Department of Anesthesiology and Pain Medicine, VA San Diego Health Care, San Diego, CA, USA
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12
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Zhang Y, Anoopkumar-Dukie S, Davey AK. SIRT1 and SIRT2 Modulators: Potential Anti-Inflammatory Treatment for Depression? Biomolecules 2021; 11:biom11030353. [PMID: 33669121 PMCID: PMC7996578 DOI: 10.3390/biom11030353] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 02/17/2021] [Accepted: 02/22/2021] [Indexed: 01/07/2023] Open
Abstract
Depression is a psychiatric disorder that has a significant health burden on patients and their families. Unfortunately, the current antidepressant medications that mainly target monoamine neurotransmitters have limited efficacy. Recent evidence has indicated that neuroinflammation participates in the genesis and development of depression, and interacts with other factors involved in depression. Therefore, exploring effective anti-inflammatory medications could be beneficial for the development of new treatment options for depression. Sirtuins are a unique class of nicotinamide adenine dinucleotide (NAD+)-dependent deacetylases, which have seven members that can affect multiple downstream targets by deacetylation activity. Among these seven members, SIRT1 and SIRT2 have been shown to participate in the pathophysiology of inflammation in numerous studies. Thus, in this short article, we review the association of SIRT1 and SIRT2 activity and depression, and evidence of the effects of SIRT1 and SIRT2 modulators on inflammation in vitro and depressive-like behaviours in vivo.
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Affiliation(s)
- Yuqing Zhang
- Menzies Health Institute Queensland, Griffith University, Gold Coast, QLD 4222, Australia; (Y.Z.); (S.A.-D.)
- School of Pharmacy and Pharmacology, Griffith University, Gold Coast, QLD 4222, Australia
- Quality Use of Medicines Network, Griffith University, Gold Coast, QLD 4222, Australia
| | - Shailendra Anoopkumar-Dukie
- Menzies Health Institute Queensland, Griffith University, Gold Coast, QLD 4222, Australia; (Y.Z.); (S.A.-D.)
- School of Pharmacy and Pharmacology, Griffith University, Gold Coast, QLD 4222, Australia
- Quality Use of Medicines Network, Griffith University, Gold Coast, QLD 4222, Australia
| | - Andrew Keith Davey
- Menzies Health Institute Queensland, Griffith University, Gold Coast, QLD 4222, Australia; (Y.Z.); (S.A.-D.)
- School of Pharmacy and Pharmacology, Griffith University, Gold Coast, QLD 4222, Australia
- Quality Use of Medicines Network, Griffith University, Gold Coast, QLD 4222, Australia
- Correspondence: ; Tel.: +61-07-5552-8361; Fax: +61-07-5552-8804
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13
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Redondo A, Riego G, Pol O. The Antinociceptive, Antioxidant and Anti-Inflammatory Effects of 5-Fluoro-2-Oxindole during Inflammatory Pain. Antioxidants (Basel) 2020; 9:antiox9121249. [PMID: 33316895 PMCID: PMC7763029 DOI: 10.3390/antiox9121249] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Revised: 11/24/2020] [Accepted: 12/07/2020] [Indexed: 01/14/2023] Open
Abstract
Recent studies demonstrate that 5-fluoro-2-oxindole inhibits neuropathic pain but the antinociceptive actions of this drug and its effects on the plasticity, oxidative and inflammatory changes induced by peripheral inflammation as well as on the effects and expression of µ-opioid receptors (MOR) have not been evaluated. In C57BL/6 male mice with inflammatory pain provoked by the subplantar administration of complete Freund’s adjuvant (CFA), we evaluated: (1) the antinociceptive actions of 5-fluoro-2-oxindole and its reversion with the HO-1 inhibitor, tin protoporphyrin IX (SnPP); (2) the effects of 5-fluoro-2-oxindole in the protein levels of mitogen-activated protein kinase (MAPK), Nrf2, NADPH quinone oxidoreductase1 (NQO1), heme oxygenase 1 (HO-1), oxidative stress marker (4-hydroxy-2-nonenal; 4-HNE), inducible nitric oxide synthase (NOS2), microglial markers (CD11b/c and IBA-1), and MOR in the spinal cord and/or paw of animals with inflammatory pain; (3) the antinociceptive effects of morphine in 5-fluoro-2-oxindole pre-treated animals. Treatment with 5 and 10 mg/kg of 5-fluoro-2-oxindole inhibited the allodynia and hyperalgesia induced by CFA in a different, time-dependent manner. These effects were reversed by SnPP. Treatment with 5-fluoro-2-oxindole increased the expression of NQO1, HO-1 and MOR and inhibited the CFA-induced upregulation of phosphorylated MAPK, 4-HNE, NOS2, CD11b/c and IBA-1 in spinal cords and/or paws. The local effects of morphine were improved with 5-fluoro-2-oxindole. This work reveals that 5-fluoro-2-oxindole inhibits the plasticity, oxidative and inflammatory responses provoked by peripheral inflammation and potentiates the antinociceptive effects of morphine. Thus, treatment with 5-fluoro-2-oxindole alone and/or combined with morphine are two remarkable new procedures for chronic inflammatory pain management.
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Affiliation(s)
- Alejandro Redondo
- Grup de Neurofarmacologia Molecular, Institut d’Investigació Biomèdica Sant Pau, Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain; (A.R.); (G.R.)
- Grup de Neurofarmacologia Molecular, Institut de Neurociències, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
| | - Gabriela Riego
- Grup de Neurofarmacologia Molecular, Institut d’Investigació Biomèdica Sant Pau, Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain; (A.R.); (G.R.)
- Grup de Neurofarmacologia Molecular, Institut de Neurociències, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
| | - Olga Pol
- Grup de Neurofarmacologia Molecular, Institut d’Investigació Biomèdica Sant Pau, Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain; (A.R.); (G.R.)
- Grup de Neurofarmacologia Molecular, Institut de Neurociències, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
- Correspondence: ; Tel.: +34-619-757-054
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14
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Bravo L, Llorca-Torralba M, Suárez-Pereira I, Berrocoso E. Pain in neuropsychiatry: Insights from animal models. Neurosci Biobehav Rev 2020; 115:96-115. [PMID: 32437745 DOI: 10.1016/j.neubiorev.2020.04.029] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Revised: 04/11/2020] [Accepted: 04/23/2020] [Indexed: 02/08/2023]
Abstract
Pain is the most common symptom reported in clinical practice, meaning that it is associated with many pathologies as either the origin or a consequence of other illnesses. Furthermore, pain is a complex emotional and sensorial experience, as the correspondence between pain and body damage varies considerably. While these issues are widely acknowledged in clinical pain research, until recently they have not been extensively considered when exploring animal models, important tools for understanding pain pathophysiology. Interestingly, chronic pain is currently considered a risk factor to suffer psychiatric disorders, mainly stress-related disorders like anxiety and depression. Conversely, pain appears to be altered in many psychiatric disorders, such as depression, anxiety and schizophrenia. Thus, pain and psychiatric disorders have been linked in epidemiological and clinical terms, although the neurobiological mechanisms involved in this pathological bidirectional relationship remain unclear. Here we review the evidence obtained from animal models about the co-morbidity of pain and psychiatric disorders, placing special emphasis on the different dimensions of pain.
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Affiliation(s)
- Lidia Bravo
- Neuropsychopharmacology and Psychobiology Research Group, Department of Neuroscience, University of Cádiz, 11003 Cádiz, Spain; Instituto de Investigación e Innovación en Ciencias Biomédicas de Cádiz, INiBICA, Hospital Universitario Puerta del Mar, Avda. Ana de Viya 21, 11009 Cádiz, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, Madrid, Spain
| | - Meritxell Llorca-Torralba
- Neuropsychopharmacology and Psychobiology Research Group, Department of Neuroscience, University of Cádiz, 11003 Cádiz, Spain; Instituto de Investigación e Innovación en Ciencias Biomédicas de Cádiz, INiBICA, Hospital Universitario Puerta del Mar, Avda. Ana de Viya 21, 11009 Cádiz, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, Madrid, Spain
| | - Irene Suárez-Pereira
- Neuropsychopharmacology and Psychobiology Research Group, Department of Neuroscience, University of Cádiz, 11003 Cádiz, Spain; Instituto de Investigación e Innovación en Ciencias Biomédicas de Cádiz, INiBICA, Hospital Universitario Puerta del Mar, Avda. Ana de Viya 21, 11009 Cádiz, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, Madrid, Spain
| | - Esther Berrocoso
- Instituto de Investigación e Innovación en Ciencias Biomédicas de Cádiz, INiBICA, Hospital Universitario Puerta del Mar, Avda. Ana de Viya 21, 11009 Cádiz, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, Madrid, Spain; Neuropsychopharmacology and Psychobiology Research Group, Department of Psychology, University of Cádiz, 11510 Puerto Real, Cádiz, Spain.
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15
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Pereira-Silva R, Costa-Pereira JT, Alonso R, Serrão P, Martins I, Neto FL. Attenuation of the Diffuse Noxious Inhibitory Controls in Chronic Joint Inflammatory Pain Is Accompanied by Anxiodepressive-Like Behaviors and Impairment of the Descending Noradrenergic Modulation. Int J Mol Sci 2020; 21:E2973. [PMID: 32340137 PMCID: PMC7215719 DOI: 10.3390/ijms21082973] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 04/15/2020] [Accepted: 04/21/2020] [Indexed: 12/17/2022] Open
Abstract
The noradrenergic system is paramount for controlling pain and emotions. We aimed at understanding the descending noradrenergic modulatory mechanisms in joint inflammatory pain and its correlation with the diffuse noxious inhibitory controls (DNICs) and with the onset of anxiodepressive behaviours. In the complete Freund's adjuvant rat model of Monoarthritis, nociceptive behaviors, DNICs, and anxiodepressive-like behaviors were evaluated. Spinal alpha2-adrenergic receptors (a2-AR), dopamine beta-hydroxylase (DBH), and noradrenaline were quantified concomitantly with a2-AR pharmacologic studies. The phosphorylated extracellular signal-regulated kinases 1 and 2 (pERK1/2) were quantified in the Locus coeruleus (LC), amygdala, and anterior cingulate cortex (ACC). DNIC was attenuated at 42 days of monoarthritis while present on days 7 and 28. On day 42, in contrast to day 28, noradrenaline was reduced and DBH labelling was increased. Moreover, spinal a2-AR were potentiated and no changes in a2-AR levels were observed. Additionally, at 42 days, the activation of ERKs1/2 was increased in the LC, ACC, and basolateral amygdala. This was accompanied by anxiety- and depressive-like behaviors, while at 28 days, only anxiety-like behaviors were observed. The data suggest DNIC is attenuated in prolonged chronic joint inflammatory pain, and this is accompanied by impairment of the descending noradrenergic modulation and anxiodepressive-like behaviors.
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Affiliation(s)
- Raquel Pereira-Silva
- Instituto de Investigação e Inovação em Saúde da Universidade do Porto (I3S). Rua Alfredo Allen 208, 4200-393 Porto, Portugal; (R.P.-S.); (J.T.C.-P.); (R.A.); (I.M.)
- Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto. Rua Alfredo Allen 208, 4200-393 Porto, Portugal
- Departamento de Biomedicina–Unidade de Biologia Experimental, Faculdade de Medicina, Universidade do Porto. Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal
| | - José Tiago Costa-Pereira
- Instituto de Investigação e Inovação em Saúde da Universidade do Porto (I3S). Rua Alfredo Allen 208, 4200-393 Porto, Portugal; (R.P.-S.); (J.T.C.-P.); (R.A.); (I.M.)
- Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto. Rua Alfredo Allen 208, 4200-393 Porto, Portugal
- Departamento de Biomedicina–Unidade de Biologia Experimental, Faculdade de Medicina, Universidade do Porto. Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal
| | - Raquel Alonso
- Instituto de Investigação e Inovação em Saúde da Universidade do Porto (I3S). Rua Alfredo Allen 208, 4200-393 Porto, Portugal; (R.P.-S.); (J.T.C.-P.); (R.A.); (I.M.)
- Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto. Rua Alfredo Allen 208, 4200-393 Porto, Portugal
- Departamento de Biomedicina–Unidade de Biologia Experimental, Faculdade de Medicina, Universidade do Porto. Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal
| | - Paula Serrão
- Departamento de Biomedicina–Unidade de Farmacologia e Terapêutica, Faculdade de Medicina, Universidade do Porto. Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal;
- MedInUP–Center for Drug Discovery and Innovative Medicines, University of Porto. Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal
| | - Isabel Martins
- Instituto de Investigação e Inovação em Saúde da Universidade do Porto (I3S). Rua Alfredo Allen 208, 4200-393 Porto, Portugal; (R.P.-S.); (J.T.C.-P.); (R.A.); (I.M.)
- Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto. Rua Alfredo Allen 208, 4200-393 Porto, Portugal
- Departamento de Biomedicina–Unidade de Biologia Experimental, Faculdade de Medicina, Universidade do Porto. Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal
| | - Fani L. Neto
- Instituto de Investigação e Inovação em Saúde da Universidade do Porto (I3S). Rua Alfredo Allen 208, 4200-393 Porto, Portugal; (R.P.-S.); (J.T.C.-P.); (R.A.); (I.M.)
- Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto. Rua Alfredo Allen 208, 4200-393 Porto, Portugal
- Departamento de Biomedicina–Unidade de Biologia Experimental, Faculdade de Medicina, Universidade do Porto. Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal
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16
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Gu F, Wu Y, Liu Y, Dou M, Jiang Y, Liang H. Lactobacillus casei improves depression-like behavior in chronic unpredictable mild stress-induced rats by the BDNF-TrkB signal pathway and the intestinal microbiota. Food Funct 2020; 11:6148-6157. [DOI: 10.1039/d0fo00373e] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
L. casei improves depression-like behavior in stress-induced rats by the BDNF-TrkB signal pathway and the intestinal microbiota.
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Affiliation(s)
- Fang Gu
- College of Mechanical and Electronic Engineering
- Northwest A&F University
- Yangling 712100
- China
| | - Yanyan Wu
- Department of Human Nutrition
- College of Public Health
- Qingdao University
- Qingdao 266071
- China
| | - Ying Liu
- College of Basic Medicine
- Qingdao University
- Qingdao 266071
- China
| | - Mei Dou
- Department of Human Nutrition
- College of Public Health
- Qingdao University
- Qingdao 266071
- China
| | - Yushan Jiang
- Department of Human Nutrition
- College of Public Health
- Qingdao University
- Qingdao 266071
- China
| | - Hui Liang
- Department of Human Nutrition
- College of Public Health
- Qingdao University
- Qingdao 266071
- China
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17
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Yin C, Hu Q, Liu B, Tai Y, Zheng X, Li Y, Xiang X, Wang P, Liu B. Transcriptome profiling of dorsal root ganglia in a rat model of complex regional pain syndrome type-I reveals potential mechanisms involved in pain. J Pain Res 2019; 12:1201-1216. [PMID: 31114302 PMCID: PMC6489655 DOI: 10.2147/jpr.s188758] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 02/27/2019] [Indexed: 12/27/2022] Open
Abstract
Purpose: Complex regional pain syndrome type-I (CRPS-I) is a progressive and devastating pain condition, which remains clinically challenging. The mechanisms of CRPS-I still remain largely unknown. We aim to identify transcriptome profiles of genes relevant to pain mechanisms and major pathways involved in CRPS-I. Methods: A rat model of chronic post-ischemia pain (CPIP) was established to mimic CRPS-I. RNA-sequencing (RNA-Seq) was used to profile transcriptome of L4-6 dorsal root ganglia (DRGs) of a rat model of CRPS-I. Results: CPIP model rats developed persistent mechanical/thermal hyperalgesia in ipsilateral hind paw. RNA-Seq identified a total of 295 differentially expressed genes (DEGs), including 195 up- and 100 downregulated, in ipsilateral DRGs of CPIP rats compared with sham rats. The expression of several representative genes was confirmed by qPCR. Functional analysis of DEGs revealed that the most significant enriched biological processes of upregulated genes include response to lipopolysaccharide, inflammatory response and cytokine activity, which are all important mechanisms mediating pain. We further screened DEGs implicated in pain progress, genes enriched in small- to medium-sized sensory neurons and enriched in TRPV1-lineage nociceptors. By comparing our dataset with other published datasets of neuropathic or inflammatory pain models, we identified a core set of genes and pathways that extensively participate in CPIP and other neuropathic pain states. Conclusion: Our study identified transcriptome gene changes in DRGs of an animal model of CRPS-I and could provide insights into identifying promising genes or pathways that can be potentially targeted to ameliorate CRPS-I.
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Affiliation(s)
- Chengyu Yin
- Department of Neurobiology and Acupuncture Research, The Third Clinical Medical College, Zhejiang Chinese Medical University, Key Laboratory of Acupuncture and Neurology of Zhejiang Province, Hangzhou, People's Republic of China.,College of Life Science, Zhejiang Chinese Medical University, Hangzhou, People's Republic of China
| | - Qimiao Hu
- Department of Neurobiology and Acupuncture Research, The Third Clinical Medical College, Zhejiang Chinese Medical University, Key Laboratory of Acupuncture and Neurology of Zhejiang Province, Hangzhou, People's Republic of China
| | - Boyu Liu
- Department of Neurobiology and Acupuncture Research, The Third Clinical Medical College, Zhejiang Chinese Medical University, Key Laboratory of Acupuncture and Neurology of Zhejiang Province, Hangzhou, People's Republic of China
| | - Yan Tai
- Academy of Chinese Medicine Sciences, Zhejiang Chinese Medical University, Hangzhou, People's Republic of China
| | - Xiaoli Zheng
- Department of Neurobiology and Acupuncture Research, The Third Clinical Medical College, Zhejiang Chinese Medical University, Key Laboratory of Acupuncture and Neurology of Zhejiang Province, Hangzhou, People's Republic of China
| | - Yuanyuan Li
- Department of Neurobiology and Acupuncture Research, The Third Clinical Medical College, Zhejiang Chinese Medical University, Key Laboratory of Acupuncture and Neurology of Zhejiang Province, Hangzhou, People's Republic of China
| | - Xuaner Xiang
- Department of Neurobiology and Acupuncture Research, The Third Clinical Medical College, Zhejiang Chinese Medical University, Key Laboratory of Acupuncture and Neurology of Zhejiang Province, Hangzhou, People's Republic of China
| | - Ping Wang
- Department of Pathology, School of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, People's Republic of China
| | - Boyi Liu
- Department of Neurobiology and Acupuncture Research, The Third Clinical Medical College, Zhejiang Chinese Medical University, Key Laboratory of Acupuncture and Neurology of Zhejiang Province, Hangzhou, People's Republic of China
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18
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Xie AX, Pan XQ, Meacham RB, Malykhina AP. The Expression of Transcription Factors Mecp2 and CREB Is Modulated in Inflammatory Pelvic Pain. Front Syst Neurosci 2019; 12:69. [PMID: 30687029 PMCID: PMC6336837 DOI: 10.3389/fnsys.2018.00069] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Accepted: 12/17/2018] [Indexed: 12/30/2022] Open
Abstract
Early activation of transcription factors is one of the epigenetic mechanisms contributing to the induction and maintenance of chronic pain states. Previous studies identified the changes in a number of nociception-related genes, such as calcitonin gene-related peptide (CGRP), substance P (SP), and brain-derived neurotropic factor (BDNF) in the pelvic organs after transient colonic inflammation. The gene and protein expression of these neuropeptides could be modulated by transcription factors Methyl-CpG-binding protein 2 (Mecp2) and cAMP response element-binding protein (CREB). In this study, we aimed to evaluate time-dependent changes in the expression levels of Mecp2 and CREB in the lumbosacral (LS) spinal cord and sensory ganglia after inflammation-induced pelvic pain in rat. Adult Sprague-Dawley rats were treated with 2,4,6-trinitrobenzenesulfonic acid (TNBS) to induce transient colonic inflammation. LS (L6-S2) spinal cord segments and respective dorsal root ganglias (DRGs) were isolated from control and experimental animals at 1, 2, 6, 24 h and 3 days post-TNBS treatment. Immunohistochemical (IHC) labeling and Western blotting experiments were performed to assess the expression of Mecp2, CREB and their phosphorylated forms. Total Mecp2 expression, but not phosphorylated p-Mecp2 (pS421Mecp2) expression was detected in the cells of the spinal dorsal horn under control conditions. Colonic inflammation triggered a significant decrease in the number of Mecp2-expressing neurons in parallel with elevated numbers of pS421Mecp2-expressing cells at 2 h and 6 h post-TNBS. The majority of Mecp2-positive cells (80 ± 6%) co-expressed CREB. TNBS treatment caused a transient up-regulation of CREB-expressing cells at 1 h post-TNBS only. The number of cells expressing phosphorylated CREB (pS133CREB) did not change at 1 h and 2 h post-TNBS, but was down-regulated by three folds at 6 h post-TNBS. Analysis of DRG sections revealed that the number of Mecp2-positive neurons was up-regulated by TNBS treatment, reaching three-fold increase at 2 h post-TNBS, and eight-fold increase at 6 h post-TNBS (p ≤ 0.05 to control). These data showed early changes in Mecp2 and CREB expression in the dorsal horn of the spinal cord and sensory ganglia after colonic inflammation, suggesting a possible contribution Mecp2 and CREB signaling in the development of visceral hyperalgesia and pelvic pain following peripheral inflammation.
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Affiliation(s)
- Alison Xiaoqiao Xie
- Division of Urology, Department of Surgery, School of Medicine, University of Colorado Denver, Aurora, CO, United States
| | - Xiao-Qing Pan
- Division of Urology, Department of Surgery, University of Pennsylvania, Philadelphia, PA, United States
| | - Randall B. Meacham
- Division of Urology, Department of Surgery, School of Medicine, University of Colorado Denver, Aurora, CO, United States
| | - Anna P. Malykhina
- Division of Urology, Department of Surgery, School of Medicine, University of Colorado Denver, Aurora, CO, United States
- *Correspondence: Anna P. Malykhina
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19
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Almeida LS, Castro‐Lopes JM, Neto FL, Potes CS. Amylin, a peptide expressed by nociceptors, modulates chronic neuropathic pain. Eur J Pain 2019; 23:784-799. [DOI: 10.1002/ejp.1347] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Revised: 11/05/2018] [Accepted: 11/27/2018] [Indexed: 12/18/2022]
Affiliation(s)
- Lígia Sofia Almeida
- Instituto de Investigação e Inovação em Saúde, Universidade do Porto Porto Portugal
- IBMC – Instituto de Biologia Molecular e Celular, Universidade do Porto Porto Portugal
- Departamento de Biomedicina – Unidade de Biologia Experimental, Faculdade de Medicina Universidade do Porto Porto Portugal
| | - José Manuel Castro‐Lopes
- Instituto de Investigação e Inovação em Saúde, Universidade do Porto Porto Portugal
- IBMC – Instituto de Biologia Molecular e Celular, Universidade do Porto Porto Portugal
- Departamento de Biomedicina – Unidade de Biologia Experimental, Faculdade de Medicina Universidade do Porto Porto Portugal
| | - Fani Lourença Neto
- Instituto de Investigação e Inovação em Saúde, Universidade do Porto Porto Portugal
- IBMC – Instituto de Biologia Molecular e Celular, Universidade do Porto Porto Portugal
- Departamento de Biomedicina – Unidade de Biologia Experimental, Faculdade de Medicina Universidade do Porto Porto Portugal
| | - Catarina Soares Potes
- Instituto de Investigação e Inovação em Saúde, Universidade do Porto Porto Portugal
- IBMC – Instituto de Biologia Molecular e Celular, Universidade do Porto Porto Portugal
- Departamento de Biomedicina – Unidade de Biologia Experimental, Faculdade de Medicina Universidade do Porto Porto Portugal
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20
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Zhang X, Hartung JE, Bortsov AV, Kim S, O'Buckley SC, Kozlowski J, Nackley AG. Sustained stimulation of β 2- and β 3-adrenergic receptors leads to persistent functional pain and neuroinflammation. Brain Behav Immun 2018; 73:520-532. [PMID: 29935309 PMCID: PMC6129429 DOI: 10.1016/j.bbi.2018.06.017] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Revised: 06/11/2018] [Accepted: 06/20/2018] [Indexed: 12/12/2022] Open
Abstract
Functional pain syndromes, such as fibromyalgia and temporomandibular disorder, are associated with enhanced catecholamine tone and decreased levels of catechol-O-methyltransferase (COMT; an enzyme that metabolizes catecholamines). Consistent with clinical syndromes, our lab has shown that sustained 14-day delivery of the COMT inhibitor OR486 in rodents results in pain at multiple body sites and pain-related volitional behaviors. The onset of COMT-dependent functional pain is mediated by peripheral β2- and β3-adrenergic receptors (β2- and β3ARs) through the release of the pro-inflammatory cytokines tumor necrosis factor α (TNFα), interleukin-1β (IL-1β), and interleukin-6 (IL-6). Here, we first sought to investigate the role of β2- and β3ARs and downstream mediators in the maintenance of persistent functional pain. We then aimed to characterize the resulting persistent inflammation in neural tissues (neuroinflammation), characterized by activated glial cells and phosphorylation of the mitogen-activated protein kinases (MAPKs) p38 and extracellular signal-regulated kinase (ERK). Separate groups of rats were implanted with subcutaneous osmotic mini-pumps to deliver OR486 (15 mg/kg/day) or vehicle for 14 days. The β2AR antagonist ICI118551 and β3AR antagonist SR59230A were co-administrated subcutaneously with OR486 or vehicle either on day 0 or day 7. The TNFα inhibitor Etanercept, the p38 inhibitor SB203580, or the ERK inhibitor U0126 were delivered intrathecally following OR486 cessation on day 14. Behavioral responses, pro-inflammatory cytokine levels, glial cell activation, and MAPK phosphorylation were measured over the course of 35 days. Our results demonstrate that systemic delivery of OR486 leads to mechanical hypersensitivity that persists for at least 3 weeks after OR486 cessation. Corresponding increases in spinal TNFα, IL-1β, and IL-6 levels, microglia and astrocyte activation, and neuronal p38 and ERK phosphorylation were observed on days 14-35. Persistent functional pain was alleviated by systemic delivery of ICI118551 and SR59230A beginning on day 0, but not day 7, and by spinal delivery of Etanercept or SB203580 beginning on day 14. These results suggest that peripheral β2- and β3ARs drive persistent COMT-dependent functional pain via increased activation of immune cells and production of pro-inflammatory cytokines, which promote neuroinflammation and nociceptor activation. Thus, therapies that resolve neuroinflammation may prove useful in the management of functional pain syndromes.
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MESH Headings
- Animals
- Catechol O-Methyltransferase/metabolism
- Catechol O-Methyltransferase Inhibitors/metabolism
- Catechols/pharmacology
- Cytokines/metabolism
- Etanercept/pharmacology
- Female
- Fibromyalgia/metabolism
- Fibromyalgia/physiopathology
- Hyperalgesia/metabolism
- Imidazoles/pharmacology
- Interleukin-1beta/metabolism
- Interleukin-6/metabolism
- Male
- Microglia/metabolism
- Mitogen-Activated Protein Kinases
- Neuroglia/metabolism
- Pain/metabolism
- Pain/physiopathology
- Phosphorylation
- Propanolamines/pharmacology
- Pyridines/pharmacology
- Rats
- Rats, Sprague-Dawley
- Receptors, Adrenergic, beta/metabolism
- Receptors, Adrenergic, beta-2/drug effects
- Receptors, Adrenergic, beta-2/metabolism
- Receptors, Adrenergic, beta-2/physiology
- Receptors, Adrenergic, beta-3/drug effects
- Receptors, Adrenergic, beta-3/metabolism
- Receptors, Adrenergic, beta-3/physiology
- Spinal Cord/metabolism
- Temporomandibular Joint Disorders/metabolism
- Temporomandibular Joint Disorders/physiopathology
- Tumor Necrosis Factor-alpha/metabolism
- p38 Mitogen-Activated Protein Kinases/metabolism
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Affiliation(s)
- Xin Zhang
- Center for Translational Pain Medicine, Department of Anesthesiology, Duke University School of Medicine, Durham, NC, USA; Pain Management Center, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Jane E Hartung
- Center for Translational Pain Medicine, Department of Anesthesiology, Duke University School of Medicine, Durham, NC, USA; Department of Neurobiology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Andrey V Bortsov
- Center for Translational Pain Medicine, Department of Anesthesiology, Duke University School of Medicine, Durham, NC, USA
| | - Seungtae Kim
- Center for Translational Pain Medicine, Department of Anesthesiology, Duke University School of Medicine, Durham, NC, USA; Division of Meridian and Structural Medicine, School of Korean Medicine, Pusan National University, Republic of Korea
| | - Sandra C O'Buckley
- Center for Translational Pain Medicine, Department of Anesthesiology, Duke University School of Medicine, Durham, NC, USA
| | - Julia Kozlowski
- Center for Translational Pain Medicine, Department of Anesthesiology, Duke University School of Medicine, Durham, NC, USA
| | - Andrea G Nackley
- Center for Translational Pain Medicine, Department of Anesthesiology, Duke University School of Medicine, Durham, NC, USA.
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Zhou J, Liu F, Yu L, Xu D, Li B, Zhang G, Huang W, Li L, Zhang Y, Zhang W, Wang H. nAChRs-ERK1/2-Egr-1 signaling participates in the developmental toxicity of nicotine by epigenetically down-regulating placental 11β-HSD2. Toxicol Appl Pharmacol 2018; 344:1-12. [PMID: 29486207 DOI: 10.1016/j.taap.2018.02.017] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Revised: 02/20/2018] [Accepted: 02/23/2018] [Indexed: 01/06/2023]
Abstract
Impaired placental 11β-hydroxysteroid dehydrogenase type 2 (11β-HSD2) activity which inactivates maternal glucocorticoids is associated with poor fetal growth and a higher risk of chronic diseases in adulthood. This study aimed to elucidate the epigenetically regulatory mechanism of nicotine on placental 11β-HSD2 expression. Pregnant Wistar rats were administered 1.0 mg/kg nicotine subcutaneously twice a day from gestational day 9 to 20. The results showed that prenatal nicotine exposure increased corticosterone levels in the placenta and fetal serum, disrupted placental morphology and endocrine function, and reduced fetal bodyweight. Meanwhile, histone modification abnormalities (decreased acetylation and increased di-methylation of histone 3 Lysine 9) on the HSD11B2 promoter and lower-expression of 11β-HSD2 were observed. Furthermore, the expression of nicotinic acetylcholine receptor (nAChR) α4/β2, the phosphorylation of extracellular regulated kinase 1/2 (ERK1/2) and Ets-like protein-1 (Elk-1), and the expression of early growth response-1 (Egr-1) were increased in the nicotine groups. In human BeWo cells, nicotine decreased 11β-HSD2 expression, increased nAChRα9 expression, and activated ERK1/2/Elk-1/Egr-1 signaling in the concentration (0.1-10 μM)-dependent manner. Antagonism of nAChRs, inhibition of ERK1/2 and Egr-1 knockdown by siRNA were able to block/abrogate the effects of nicotine on histone modification and expression of 11β-HSD2. Taken together, nicotine can impair placental structure and function, and induce fetal developmental toxicity. The underlying mechanism involves histone modifications and down-regulation of 11β-HSD2 through nAChRs/ERK1/2/Elk-1/Egr-1 signaling, which increases active glucocorticoids levels in the placenta and fetus, and eventually inhibits the fetal development.
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Affiliation(s)
- Jin Zhou
- Department of Pharmacology, Basic Medical School of Wuhan University, Wuhan 430071, China
| | - Fulin Liu
- Department of Gynaecology, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Luting Yu
- Department of Pharmacology, Basic Medical School of Wuhan University, Wuhan 430071, China
| | - Dan Xu
- Department of Pharmacology, Basic Medical School of Wuhan University, Wuhan 430071, China; Hubei Provincial Key Laboratory of Developmentally Originated Diseases, Wuhan 430071, China
| | - Bin Li
- Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
| | - Guohui Zhang
- Department of Gynecology, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
| | - Wen Huang
- Department of Gynecology, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
| | - Lu Li
- Department of Pharmacology, Basic Medical School of Wuhan University, Wuhan 430071, China
| | - Yuanzhen Zhang
- Department of Gynecology, Zhongnan Hospital of Wuhan University, Wuhan 430071, China; Hubei Provincial Key Laboratory of Developmentally Originated Diseases, Wuhan 430071, China
| | - Wei Zhang
- Department of Gynecology, Zhongnan Hospital of Wuhan University, Wuhan 430071, China; Hubei Provincial Key Laboratory of Developmentally Originated Diseases, Wuhan 430071, China.
| | - Hui Wang
- Department of Pharmacology, Basic Medical School of Wuhan University, Wuhan 430071, China; Hubei Provincial Key Laboratory of Developmentally Originated Diseases, Wuhan 430071, China.
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Tian J, Tian Z, Qin SL, Zhao PY, Jiang X, Tian Z. Anxiolytic-like effects of α-asarone in a mouse model of chronic pain. Metab Brain Dis 2017; 32:2119-2129. [PMID: 28913780 DOI: 10.1007/s11011-017-0108-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2017] [Accepted: 09/06/2017] [Indexed: 01/03/2023]
Abstract
α-asarone (ASR) is a major bioactive compound isolated from the rhizome of Acorus tatarinowii Schott and it has extensive biological effects. Clinically, anxiety disorder is a common comorbidity of chronic pain. However, limited information is available regarding the effects of ASR on chronic pain-related anxiety. This study aims to evaluate the anxiolytic effects of ASR in chronic pain mice. Chronic inflammatory pain was induced by hind-paw injection of complete Freund's adjuvant (CFA). Behavioral tests, western-blot analysis and whole-cell patch recordings were performed to evaluate the subsequent events. We found that ASR induced anxiolytic activities in CFA-injected mice but did not affect the nociceptive threshold. ASR administration reversed the up-regulation of GluR1-containing α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptors, NR2A-containing N-methyl-D-aspartate (NMDA) receptors and down-regulation of γ-aminobutyric acid A (GABAA) receptors in the basolateral amygdala (BLA) of CFA-injected mice. Electrophysiological data revealed that ASR treatment restored the balance between excitatory and inhibitory neurotransmissions, which was disturbed in the BLA of CFA-injected mice. Moreover, ASR prevented the hyper-excitability of pyramidal neurons in the BLA of chronic pain mice. Our results suggested that the anxiolytic effects of ASR were partially due to maintaining the balance between excitatory/inhibitory transmissions and attenuating neuronal hyper-excitability of excitatory neurons in the BLA.
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Affiliation(s)
- Jiao Tian
- Department of Pediatrics, Tangdu Hospital, Fourth Military Medical University, Xi'an, 710038, China
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, 710032, China
| | - Zhen Tian
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, 710032, China
- Department of Pharmacy, The 154th Hospital of People's Liberation Army, Xinyang, 464000, China
| | - Shu-Li Qin
- Department of Pharmacy, The 154th Hospital of People's Liberation Army, Xinyang, 464000, China
| | - Pu-Yu Zhao
- Department of Pharmacy, The 154th Hospital of People's Liberation Army, Xinyang, 464000, China
| | - Xun Jiang
- Department of Pediatrics, Tangdu Hospital, Fourth Military Medical University, Xi'an, 710038, China.
| | - Zhen Tian
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, 710032, China.
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Redondo A, Chamorro PAF, Riego G, Leánez S, Pol O. Treatment with Sulforaphane Produces Antinociception and Improves Morphine Effects during Inflammatory Pain in Mice. J Pharmacol Exp Ther 2017; 363:293-302. [DOI: 10.1124/jpet.117.244376] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Accepted: 09/19/2017] [Indexed: 12/21/2022] Open
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Nakamoto K, Aizawa F, Kinoshita M, Koyama Y, Tokuyama S. Astrocyte Activation in Locus Coeruleus Is Involved in Neuropathic Pain Exacerbation Mediated by Maternal Separation and Social Isolation Stress. Front Pharmacol 2017; 8:401. [PMID: 28701953 PMCID: PMC5487383 DOI: 10.3389/fphar.2017.00401] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Accepted: 06/07/2017] [Indexed: 12/28/2022] Open
Abstract
Our previous studies demonstrated that emotional dysfunction associated with early life stress exacerbated nerve injury-induced mechanical allodynia. Sex differences were observed in several anxiety tests, but not in mechanical allodynia. To elucidate the mechanism underlying these findings, we have now investigated the involvement of astrocytes in emotional dysfunction and enhancement of nerve injury-induced mechanical allodynia in mice subjected to maternal separation combined with social isolation (MSSI) as an early life stress. We measured expression of glial fibrillary acidic protein (GFAP), an astrocyte maker, in each brain area by immunohistochemistry. GFAP expression in the locus coeruleus (LC) of female, but not of male mice, significantly increased after MSSI, corresponding to the behavioral changes at 7 and 12 weeks of age. Lipopolysaccharide (LPS)-treated astrocyte-derived supernatant was administered to local brain regions, including LC. Intra-LC injection of conditioned medium from cultured astrocytes treated with LPS increased GFAP expression, anxiety-like behavior and mechanical allodynia in both male and female mice. Furthermore, increases in anxiety-like behavior correlated with increased mechanical allodynia. These findings demonstrate that emotional dysfunction and enhanced nerve injury-induced mechanical allodynia after exposure to MSSI are mediated, at least in part, by astrocyte activation in the LC. Male but not female mice may show resistance to MSSI stress during growth.
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Affiliation(s)
- Kazuo Nakamoto
- Department of Clinical Pharmacy, School of Pharmaceutical Sciences, Kobe Gakuin UniversityKobe, Japan
| | - Fuka Aizawa
- Department of Clinical Pharmacy, School of Pharmaceutical Sciences, Kobe Gakuin UniversityKobe, Japan
| | - Megumi Kinoshita
- Department of Clinical Pharmacy, School of Pharmaceutical Sciences, Kobe Gakuin UniversityKobe, Japan
| | - Yutaka Koyama
- Laboratory of Pharmacology, Faculty of Pharmacy, Osaka Ohtani UniversityOsaka, Japan
| | - Shogo Tokuyama
- Department of Clinical Pharmacy, School of Pharmaceutical Sciences, Kobe Gakuin UniversityKobe, Japan
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25
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Chen Z, Xu YY, Ge JF, Chen FH. CRHR1 Mediates the Up-Regulation of Synapsin I Induced by Nesfatin-1 Through ERK 1/2 Signaling in SH-SY5Y Cells. Cell Mol Neurobiol 2017; 38:627-633. [DOI: 10.1007/s10571-017-0509-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Accepted: 06/06/2017] [Indexed: 10/19/2022]
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Zhao W, Yang W, Zheng S, Hu Q, Qiu P, Huang X, Hong X, Lan F. A new bioinformatic insight into the associated proteins in psychiatric disorders. SPRINGERPLUS 2016; 5:1967. [PMID: 27917343 PMCID: PMC5108746 DOI: 10.1186/s40064-016-3655-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2016] [Accepted: 11/04/2016] [Indexed: 01/21/2023]
Abstract
BACKGROUND Psychiatric diseases severely affect the quality of patients' lives and bring huge economic pressure to their families. Also, the great phenotypic variability among these patients makes it difficult to investigate the pathogenesis. Nowadays, bioinformatics is hopeful to be used as an effective tool for the diagnosis of psychiatric disorders, which can identify sensitive biomarkers and explore associated signaling pathways. METHODS In this study, we performed an integrated bioinformatic analysis on 1945 mental-associated proteins including 91 secreted proteins and 593 membrane proteins, which were screened from the Universal Protein Resource (Uniport) database. Then the function and pathway enrichment analyses, ontological classification, and constructed PPI network were executed. RESULTS Our present study revealed that the majority of mental proteins were closely related to metabolic processes and cellular processes. We also identified some significant molecular biomarkers in the progression of mental disorders, such as HRAS, ALS2, SLC6A1, SLC39A12, SIL1, IDUA, NEPH2 and XPO1. Furthermore, it was found that hub proteins, such as COMT, POMC, NPS and BDNF, might be the potential targets for mental disorders therapy. Finally, we demonstrated that psychiatric disorders may share the same signaling pathways with cancers, involving ESR1, BCL2 and MAPK3. CONCLUSION Our data are expected to contribute to explaining the possible mechanisms of psychiatric diseases and providing a useful reference for the diagnosis and therapy of them.
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Affiliation(s)
- Wenlong Zhao
- Department of Neurology, Affiliated Dongfang Hospital of Xiamen University (Fuzhou General Hospital), Fuzhou, Fujian People's Republic of China
| | - Wenjing Yang
- Department of Neurology, Affiliated Dongfang Hospital of Xiamen University (Fuzhou General Hospital), Fuzhou, Fujian People's Republic of China
| | - Shuanglin Zheng
- Department of Neurology, Affiliated Dongfang Hospital of Xiamen University (Fuzhou General Hospital), Fuzhou, Fujian People's Republic of China
| | - Qiong Hu
- Department of Neurology, Affiliated Dongfang Hospital of Xiamen University (Fuzhou General Hospital), Fuzhou, Fujian People's Republic of China
| | - Ping Qiu
- Department of Neurology, Affiliated Dongfang Hospital of Xiamen University (Fuzhou General Hospital), Fuzhou, Fujian People's Republic of China
| | - Xinghua Huang
- Department of Clinical Genetics and Experimental Medicine, Fuzhou General Hospital, No. 156, Xier Huan Road, Gulou District, Fuzhou, 350025 Fujian People's Republic of China
| | - Xiaoqian Hong
- Department of Neurology, Affiliated Dongfang Hospital of Xiamen University (Fuzhou General Hospital), Fuzhou, Fujian People's Republic of China
| | - Fenghua Lan
- Department of Clinical Genetics and Experimental Medicine, Fuzhou General Hospital, No. 156, Xier Huan Road, Gulou District, Fuzhou, 350025 Fujian People's Republic of China
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Bravo L, Mico JA, Rey-Brea R, Camarena-Delgado C, Berrocoso E. Effect of DSP4 and desipramine in the sensorial and affective component of neuropathic pain in rats. Prog Neuropsychopharmacol Biol Psychiatry 2016; 70:57-67. [PMID: 27181607 DOI: 10.1016/j.pnpbp.2016.05.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2015] [Revised: 05/08/2016] [Accepted: 05/09/2016] [Indexed: 12/13/2022]
Abstract
Previous findings suggest that neuropathic pain induces characteristic changes in the noradrenergic system that may modify the sensorial and affective dimensions of pain. We raise the hypothesis that different drugs that manipulate the noradrenergic system can modify specific domains of pain. In the chronic constriction injury (CCI) model of neuropathic pain, the sensorial (von Frey and acetone tests) and the affective (place escape/avoidance paradigm) domains of pain were evaluated in rats 1 and 2weeks after administering the noradrenergic neurotoxin [N-(2-chloroethyl)-N-ethyl-2-bromobenzylamine hydrochloride] (DSP4, 50mg/kg). In other animals, we evaluated the effect of enhancing noradrenergic tone in the 2weeks after injury by administering the antidepressant desipramine (10mg/kg/day, delivered by osmotic minipumps) during this period, a noradrenaline reuptake inhibitor. Moreover, the phosphorylation of the extracellular signal regulated kinases (p-ERK) in the anterior cingulate cortex (ACC) was also assessed. The ACC receives direct inputs from the main noradrenergic nucleus, the locus coeruleus, and ERK activation has been related with the expression of pain-related negative affect. These studies revealed that DSP4 almost depleted noradrenergic axons in the ACC and halved noradrenergic neurons in the locus coeruleus along with a decrease in the affective dimension and an increased of p-ERK in the ACC. However, it did not modify sensorial pain perception. By contrast, desipramine reduced pain hypersensitivity, while completely impeding the reduction of the affective pain dimension and without modifying the amount of p-ERK. Together results suggest that the noradrenergic system may regulate the sensorial and affective sphere of neuropathic pain independently.
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Affiliation(s)
- Lidia Bravo
- Neuropsychopharmacology & Psychobiology Research Group, University of Cádiz, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, 28007 Madrid, Spain; Psychobiology Area, Department of Psychology, University of Cadiz, Spain
| | - Juan A Mico
- Neuropsychopharmacology & Psychobiology Research Group, University of Cádiz, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, 28007 Madrid, Spain; Department of Neuroscience, University of Cádiz, Spain
| | - Raquel Rey-Brea
- Neuropsychopharmacology & Psychobiology Research Group, University of Cádiz, Spain
| | | | - Esther Berrocoso
- Neuropsychopharmacology & Psychobiology Research Group, University of Cádiz, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, 28007 Madrid, Spain; Psychobiology Area, Department of Psychology, University of Cadiz, Spain.
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Noradrenergic Locus Coeruleus pathways in pain modulation. Neuroscience 2016; 338:93-113. [PMID: 27267247 DOI: 10.1016/j.neuroscience.2016.05.057] [Citation(s) in RCA: 135] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2016] [Revised: 05/20/2016] [Accepted: 05/27/2016] [Indexed: 12/30/2022]
Abstract
The noradrenergic system is crucial for several activities in the body, including the modulation of pain. As the major producer of noradrenaline (NA) in the central nervous system (CNS), the Locus Coeruleus (LC) is a nucleus that has been studied in several pain conditions, mostly due to its strategic location. Indeed, apart from a well-known descending LC-spinal pathway that is important for pain control, an ascending pathway passing through this nucleus may be responsible for the noradrenergic inputs to higher centers of the pain processing, such as the limbic system and frontal cortices. Thus, the noradrenergic system appears to modulate different components of the pain experience and accordingly, its manipulation has distinct behavioral outcomes. The main goal of this review is to bring together the data available regarding the noradrenergic system in relation to pain, particularly focusing on the ascending and descending LC projections in different conditions. How such findings influence our understanding of these conditions is also discussed.
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Srivastava P, Gupta R, Chari D, Rawat A, Goel D. Comparison of prevalence of obstructive sleep apnea, restless legs syndrome, and poor sleep quality in patients with coronary artery disease and depression. SOMNOLOGIE 2016. [DOI: 10.1007/s11818-016-0053-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Nesfatin-1, a potent anorexic agent, decreases exploration and induces anxiety-like behavior in rats without altering learning or memory. Brain Res 2015; 1629:171-81. [DOI: 10.1016/j.brainres.2015.10.027] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2015] [Revised: 10/09/2015] [Accepted: 10/15/2015] [Indexed: 01/13/2023]
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