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Li A, Li W, Ali T, Yang C, Liu Z, Gao R, He K, Liu XA, Chen Z, Yu ZJ, Li T, Li S. A novel dopamine D2 receptor-NR2B protein complex might contribute to morphine use disorders. Eur J Pharmacol 2023; 961:176174. [PMID: 37939993 DOI: 10.1016/j.ejphar.2023.176174] [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: 09/20/2023] [Revised: 10/27/2023] [Accepted: 10/30/2023] [Indexed: 11/10/2023]
Abstract
Dopamine receptors can form heteromeric interactions with other receptors, including glutamate receptors, and present a novel pharmacological target because it contribute to dopamine-dysregulated brain disorders such as addiction and other motor-related diseases. In addition, dopamine receptors D2 (D2Rs) and glutamate NMDA receptors subtype-NR2B have been implicated in morphine use disorders; however, the molecular mechanism underlying the heteromeric complex of these two receptors in morphine use disorders is unclear. Herein, we focus on interactions between D2R and NR2B in morphine-induced conditioned place preference (CPP) and hyperlocomotion mice models. We found that the D2R-NR2B complex significantly increases in morphine-induced mice models, accompanied by ERK signaling impairment, implying the complex could contribute to the morphine addiction pathophysiological process. Further, we design a brain-penetrant interfering peptide (TAT-D2-KT), which could disrupt interactions of D2R-NR2B and decrease addictive-like behaviors concurrent to ERK signaling improvement. In summary, our data provided the first evidence for a D2R-NMDAR complex formation in morphine use disorders and its underlying mechanism of ERK signaling, which could present a novel therapeutic target with direct implications for morphine acquisition and relapse treatment.
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Affiliation(s)
- Axiang Li
- College of Forensic Medicine, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, People's Republic of China; Institute of Forensic Injury, Institute of Forensic Bio-Evidence, Western China Science and Technology Innovation Harbor, Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China; State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen, 518055, China.
| | - Weifen Li
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen, 518055, China.
| | - Tahir Ali
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen, 518055, China; Shenzhen Bay Laboratory, Shenzhen, 518055, China.
| | - Canyu Yang
- College of Forensic Medicine, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, People's Republic of China; Institute of Forensic Injury, Institute of Forensic Bio-Evidence, Western China Science and Technology Innovation Harbor, Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China; State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen, 518055, China.
| | - Zizhen Liu
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen, 518055, China.
| | - Ruyan Gao
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen, 518055, China.
| | - Kaiwu He
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen, 518055, China.
| | - Xin-An Liu
- Guangdong Provincial Key Laboratory of Brain Connectome and Behavior, CAS Key Laboratory of Brain Connectome and Manipulation, Brain Cognition and Brain Disease Institute (BCBDI), Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China; Shenzhen-Hong Kong Institute of Brain Science-Shenzhen Fundamental Research Institutions, Shenzhen, China; University of Chinese Academy of Sciences, Beijing, China.
| | - Zuxin Chen
- Shenzhen-Hong Kong Institute of Brain Science-Shenzhen Fundamental Research Institutions, Shenzhen, China; University of Chinese Academy of Sciences, Beijing, China; Shenzhen Key Laboratory of Drug Addiction, Shenzhen Neher Neural Plasticity Laboratory, The Brain Cognition and Brain Disease Institute, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences (CAS), China.
| | - Zhi-Jian Yu
- Department of Infectious Diseases and Shenzhen Key Laboratory for Endogenous Infections, The 6th Affiliated Hospital of Shenzhen University Health Science Center, No 89, Taoyuan Road, Nanshan District, Shenzhen, 518052, China.
| | - Tao Li
- College of Forensic Medicine, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, People's Republic of China; Institute of Forensic Injury, Institute of Forensic Bio-Evidence, Western China Science and Technology Innovation Harbor, Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China; NHC Key Laboratory of Forensic Science, College of Forensic Medicine, Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China.
| | - Shupeng Li
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen, 518055, China; Shenzhen Bay Laboratory, Shenzhen, 518055, China; Campbell Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada; Department of Psychiatry, University of Toronto, Toronto, ON, Canada.
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Wang S, Li M, Su L, Wang Y, Ma D, Wang H, Zhu J, Chen T. Knockout of Dopamine D3 Receptor Gene Blocked Methamphetamine-Induced Distinct Changes of Dopaminergic and Glutamatergic Synapse in the Nucleus Accumbens Shell of Mice. Front Cell Neurosci 2022; 16:893190. [PMID: 35711471 PMCID: PMC9195588 DOI: 10.3389/fncel.2022.893190] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 05/03/2022] [Indexed: 12/15/2022] Open
Abstract
Structural plasticity changes in the brain are thought to underlie, at least partially, drug-induced persistent changes in behavior. Our previous study reported that increased synaptic density in the nucleus accumbens shell (NAcsh) correlates with and may contribute to behavioral sensitization induced by methamphetamine (METH). However, the distinct changes of dopaminergic and glutamatergic synapses and the modulating effects of dopamine D3 receptor remain unclear. In the current study, we used immunohistochemistry electron-microscopy and immunofluorescence to detect the changes of dopamine D1, D2, and glutamate NR2B-positive synapses and cells in the NAcsh of METH-sensitized wild type (WT) and knockout of dopamine D3 receptor gene (D3–/–) mice. We found that METH induced long-term behavioral sensitization in WT mice, which was accompanied by an increased number and rate of dopamine D1 receptor-positive synapses and cells, as well as glutamate NR2B-positive synapses and cells. In contrast, the number and rate of dopamine D2 receptor-positive synapses and cells were significantly decreased in the NAcsh of METH-sensitized WT mice. D3–/– mice exhibited attenuated acute locomotor responses and behavioral sensitization to METH compared with WT mice. Moreover, the knockout of dopamine D3 receptor gene inhibited METH-induced changes of dopaminergic and glutamatergic synapses in the NAcsh of METH-sensitized mice. Taken together, our results suggest that METH induced distinct changes of dopaminergic and glutamatergic synapses and cells in the NAcsh of mice, which was blocked by the knockout of dopamine D3 receptor gene, and may contribute to, at least partially, METH-induced behavior sensitization as well as the modulating effect of the dopamine D3 receptor.
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Affiliation(s)
- Shuai Wang
- College of Forensic Medicine, Xi’an Jiaotong University Health Science Center, Xi’an, China
- The Key Laboratory of Health Ministry for Forensic Science, Xi’an Jiaotong University, Xi’an, China
| | - Ming Li
- College of Forensic Medicine, Xi’an Jiaotong University Health Science Center, Xi’an, China
- The Key Laboratory of Health Ministry for Forensic Science, Xi’an Jiaotong University, Xi’an, China
| | - Linlan Su
- College of Forensic Medicine, Xi’an Jiaotong University Health Science Center, Xi’an, China
- The Key Laboratory of Health Ministry for Forensic Science, Xi’an Jiaotong University, Xi’an, China
| | - Yu Wang
- College of Forensic Medicine, Xi’an Jiaotong University Health Science Center, Xi’an, China
- The Key Laboratory of Health Ministry for Forensic Science, Xi’an Jiaotong University, Xi’an, China
| | - Dongliang Ma
- Programme in Neuroscience and Behavioral Disorders, Duke-NUS Medical School, Singapore, Singapore
| | - Hongyan Wang
- Programme in Neuroscience and Behavioral Disorders, Duke-NUS Medical School, Singapore, Singapore
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Jie Zhu
- College of Forensic Medicine, Xi’an Jiaotong University Health Science Center, Xi’an, China
- The Key Laboratory of Health Ministry for Forensic Science, Xi’an Jiaotong University, Xi’an, China
- *Correspondence: Jie Zhu,
| | - Teng Chen
- College of Forensic Medicine, Xi’an Jiaotong University Health Science Center, Xi’an, China
- The Key Laboratory of Health Ministry for Forensic Science, Xi’an Jiaotong University, Xi’an, China
- Teng Chen,
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Ferreira JS, Leite Junior JB, de Mello Bastos JM, Samuels RI, Carey RJ, Carrera MP. A new method to study learning and memory using spontaneous locomotor activity in an open-field arena. J Neurosci Methods 2022; 366:109429. [PMID: 34852253 DOI: 10.1016/j.jneumeth.2021.109429] [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: 08/17/2021] [Revised: 10/25/2021] [Accepted: 11/24/2021] [Indexed: 11/26/2022]
Abstract
BACKGROUND Reduced locomotion with repeated exposure to a novel environment is often used as a measure of the basic adaptive learning process of habituation. While this is a well-established and reliable measure of habituation, it is not useful for the investigation of neurobiological changes before and after habituation because of the uncontrolled differential activity levels in a novel versus habituated environment. In this study we report a behavioral method that uses spontaneous locomotion to measure habituation, in which the total spontaneous locomotion in an initially novel environment does not change with repeated testing but, the ratio of central to peripheral activity does change and is indicative of habituation. The test sessions are brief (5 min) and the locomotion is measured in 2 separate zones. The peripheral zone comprises 8/9 of the test arena and the central zone 1/9 of the arena. RESULTS/COMPARISON WITH EXISTING METHODS In contrast to methods that use between-session reductions in locomotion to assess habituation, this method employs brief test sessions in which overall activity between sessions does not change, but the distribution of locomotion in the periphery versus the central zone of the arena does change. The brevity of the test session also enables us to utilize post-trial drug treatment protocols to impact memory consolidation. CONCLUSIONS The progressive change in the central/peripheral activity ratio with repeated testing can be determined independently of total activity and provides a habituation acquisition function that permits the measurement of neurobiological changes without the complication of effects related to changes in locomotor activity per se. The present report also presents evidence that this method can be used with post-trial drug treatment protocols to study the learning and memory effects of the post-trial treatments without the use of explicit rewards and punishments.
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Affiliation(s)
- Jaise Silva Ferreira
- Behavioral Pharmacology Group, Laboratory of Animal Morphology and Pathology, State University of North Fluminense Darcy Ribeiro, Avenida Alberto Lamego, 2000, Campos dos Goytacazes 28013-602, RJ, Brazil
| | - Joaquim Barbosa Leite Junior
- Behavioral Pharmacology Group, Laboratory of Animal Morphology and Pathology, State University of North Fluminense Darcy Ribeiro, Avenida Alberto Lamego, 2000, Campos dos Goytacazes 28013-602, RJ, Brazil
| | - João Marcos de Mello Bastos
- Behavioral Pharmacology Group, Laboratory of Animal Morphology and Pathology, State University of North Fluminense Darcy Ribeiro, Avenida Alberto Lamego, 2000, Campos dos Goytacazes 28013-602, RJ, Brazil
| | - Richard Ian Samuels
- Department of Entomology and Plant Pathology, State University of North Fluminense Darcy Ribeiro, Campos dos Goytacazes, RJ, Brazil
| | - Robert J Carey
- Department of Psychiatry SUNY Upstate Medical University, 800 Irving Avenue, Syracuse, NY 13210, USA
| | - Marinete Pinheiro Carrera
- Behavioral Pharmacology Group, Laboratory of Animal Morphology and Pathology, State University of North Fluminense Darcy Ribeiro, Avenida Alberto Lamego, 2000, Campos dos Goytacazes 28013-602, RJ, Brazil.
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Dias FP, Carvalho Crespo LGS, Leite Junior JB, Samuels RI, Coimbra NC, Carey RJ, Carrera MP. Morphine reward effects and morphine behavioral sensitization: The adventitious association of morphine activation of brain reward effects with ongoing spontaneous activity. Pharmacol Biochem Behav 2021; 209:173244. [PMID: 34363828 DOI: 10.1016/j.pbb.2021.173244] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 07/22/2021] [Accepted: 07/30/2021] [Indexed: 12/01/2022]
Abstract
The development of sensitization is one of the hallmarks of addictive drugs such as morphine. We administered morphine (10 mg/kg; MOR) to induce locomotor sensitization and ERK activation in the VTA and NAc. In the first experiment, four groups of rats received five daily 30 min sessions in an open-field, and locomotion was measured. For the first four sessions, one group received MOR pre-test (MOR-P); a second group received vehicle pre-test (MOR-UP) and MOR 30 min post-test; the remaining 2 groups received vehicle (VEH) pre-test. On the fifth session, the MOR-P, MOR-UP, and one VEH group received MOR pre-test and the remaining VEH group received VEH. Sensitization emerged in the first 5 min and progressed over to the second and third 5 min blocks only in the MOR-P group. For the second experiment, 4 groups received MOR and 4 groups VEH, and were then returned to their home cage and after 5, 15, 30 or 60 min post-injection, were euthanized for ERK measurements in VTA and NAc. ERK activation increased and peaked at 5 min post injection in the MOR group and then declined to VEH levels by 30 min. Another two groups received either MOR or VEH immediately before a 5 min arena test and ERK was measured immediately post-test. MOR had no effect on locomotion but increased ERK in the VTA and NAc. The peak ERK activation in VTA reflected activation of reward systems by morphine that reinforced locomotor behavior and with repeated treatments, induced a sensitization effect.
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Affiliation(s)
- Fabiolla Patusco Dias
- Behavioral Pharmacology Group, Laboratory of Animal Morphology and Pathology, State University of North Fluminense Darcy Ribeiro, Avenida Alberto Lamego, 2000, Campos dos Goytacazes 28013-602, RJ, Brazil
| | - Luiz Gustavo Soares Carvalho Crespo
- Behavioral Pharmacology Group, Laboratory of Animal Morphology and Pathology, State University of North Fluminense Darcy Ribeiro, Avenida Alberto Lamego, 2000, Campos dos Goytacazes 28013-602, RJ, Brazil
| | - Joaquim Barbosa Leite Junior
- Behavioral Pharmacology Group, Laboratory of Animal Morphology and Pathology, State University of North Fluminense Darcy Ribeiro, Avenida Alberto Lamego, 2000, Campos dos Goytacazes 28013-602, RJ, Brazil
| | - Richard Ian Samuels
- Department of Entomology and Plant Pathology, State University of North Fluminense Darcy Ribeiro, Campos dos Goytacazes, RJ, Brazil
| | - Norberto Cysne Coimbra
- Department of Pharmacology, Ribeirão Preto Medical School of the University of São Paulo, SP, Brazil
| | - Robert J Carey
- Department of Psychiatry SUNY Upstate Medical University, 800 Irving Avenue, Syracuse, NY 13210, USA
| | - Marinete Pinheiro Carrera
- Behavioral Pharmacology Group, Laboratory of Animal Morphology and Pathology, State University of North Fluminense Darcy Ribeiro, Avenida Alberto Lamego, 2000, Campos dos Goytacazes 28013-602, RJ, Brazil.
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Ma W, Chen K, Xiao W, Tang H, Wang S, Wang K. Evaluation of relationship between SPON1 gene and genetic susceptibility of postmenopausal osteoporosis. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2021; 48:818-823. [PMID: 32484721 DOI: 10.1080/21691401.2020.1771350] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Purpose: Postmenopausal osteoporosis (PMOP) is one of systemic bone degenerative diseases characterised by decreased bone mineral density (BMD). Previous studies suggest that the SPON1 gene may be associated with BMD and play an important role in the occurrence and development of PMOP. In this study, we aimed to investigate the potential association between PMOP and the SPON1 gene.Methods: A total of 8062 postmenopausal women comprising 2684 primary PMOP patients, and 5378 healthy controls were recruited. Forty tag SNPs were selected for genotyping to evaluate the association of the SPON1 gene with PMOP and BMD. Genetic association and bioinformatics analyses were performed for PMOP.Results: SNP rs2697825 was identified to be significantly associated with the risk of PMOP at both allelic (T-statistics = -3.84, p = .0001) and genotypic levels (χ2=15.86, p = .0004). The G allele of SNP rs2697825 was significantly associated with a decreased risk of PMOP with an OR [95%] of 0.84 [0.77-0.92]. The G allele of SNP rs2697825 was associated with increased BMD at both the lumbar spine and femoral neck.Conclusions: Our results provide further evidence to support the important role for the SPON1 gene in the aetiology of PMOP, adding to the current understanding of the susceptibility to osteoporosis.
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Affiliation(s)
- Wenlong Ma
- Department of Orthopedics, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.,Department of Hip Injury and Disease, Luoyang Orthopedic Hospital of Henan Province, Luoyang, Henan, China
| | - Ke Chen
- Department of Hip Injury and Disease, Luoyang Orthopedic Hospital of Henan Province, Luoyang, Henan, China
| | - Wenqing Xiao
- Department of Orthopedics, The First Hospital of Traditional Chinese Medicine, Luoyang, Henan, China
| | - Hongtao Tang
- Department of Hip Injury and Disease, Luoyang Orthopedic Hospital of Henan Province, Luoyang, Henan, China
| | - Shaohui Wang
- Department of Hip Injury and Disease, Luoyang Orthopedic Hospital of Henan Province, Luoyang, Henan, China
| | - Kunzheng Wang
- Department of Orthopedics, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
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Chen G, Han W, Li A, Wang J, Xiao J, Huang X, Nazir KA, Shang Q, Qian H, Qiao C, Liu X, Li T. Phosphorylation of GluN2B subunits of N-methyl-d-aspartate receptors in the frontal association cortex involved in morphine-induced conditioned place preference in mice. Neurosci Lett 2021; 741:135470. [PMID: 33157174 DOI: 10.1016/j.neulet.2020.135470] [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: 08/06/2020] [Revised: 10/26/2020] [Accepted: 10/28/2020] [Indexed: 10/23/2022]
Abstract
Morphine is one of the most abused drugs in the world, which has resulted in serious social problems. The frontal association cortex (FrA) has been shown to play a key role in memory formation and drug addiction. N-Methyl-d-aspartate receptors (NMDARs) are abundant in the prefrontal cortex (PFc) and much evidence indicates that GluN2B-containing NMDARs are involved in morphine-induced conditioned place preference (CPP). However, the function of GluN2B in the FrA during morphine-induced CPP has yet to be fully investigated. In the present work, a CPP animal model was employed to measure the expression of phosphorylated (p-) GluN2B (Serine; Ser 1303) in the FrA and NAc in different phases of morphine-induced CPP. We found that p-GluN2B (Ser 1303) was increased in the FrA during the development and reinstatement phases but unchanged in the extinction phase. The use of ifenprodil, a GluN2B-specific antagonist, to block the activity of GluN2B in the two phases attenuated morphine-induced CPP and reinstatement. Furthermore, ifenprodil also blocked morphine-induced upregulation of p-GluN2B (Ser 1303) in the FrA in both phases. These results indicate that GluN2B-containing NMDARs in the FrA may be involved in the regulation of morphine-induced CPP and reinstatement.
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Affiliation(s)
- Gang Chen
- School of Forensic Science and Medicine, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, PR China.
| | - Wei Han
- School of Forensic Science and Medicine, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, PR China; The Key Laboratory of Health Ministry for Forensic Science and Medicine, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, PR China.
| | - Axiang Li
- School of Forensic Science and Medicine, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, PR China.
| | - Jing Wang
- School of Forensic Science and Medicine, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, PR China.
| | - Jing Xiao
- School of Forensic Science and Medicine, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, PR China.
| | - Xin Huang
- School of Forensic Science and Medicine, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, PR China.
| | - Khosa Asif Nazir
- School of Forensic Science and Medicine, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, PR China.
| | - Qing Shang
- School of Forensic Science and Medicine, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, PR China.
| | - Hongyan Qian
- School of Forensic Science and Medicine, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, PR China.
| | - Chuchu Qiao
- School of Pharmacy, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, PR China.
| | - Xinshe Liu
- School of Forensic Science and Medicine, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, PR China; The Key Laboratory of Health Ministry for Forensic Science and Medicine, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, PR China.
| | - Tao Li
- School of Forensic Science and Medicine, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, PR China; The Key Laboratory of Health Ministry for Forensic Science and Medicine, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, PR China.
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Ferreira JS, de Mello Bastos JM, Leite Junior JB, Samuels RI, Carey RJ, Carrera MP. Morphine administered post-trial induces potent morphine conditioned effects if the context is novel but not if the context is familiar. Pharmacol Biochem Behav 2020; 196:172978. [PMID: 32593788 DOI: 10.1016/j.pbb.2020.172978] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 06/14/2020] [Accepted: 06/23/2020] [Indexed: 11/18/2022]
Abstract
Morphine administered shortly after exposure to a novel environment induces potent locomotor stimulant conditioning. Environmental novelty is important as pre-exposure (PE) to a stimulus can attenuate the capacity to acquire conditioned stimulus (CS). Here, the importance of environmental novelty for the efficacy of an open-field to become a CS for elicitation of a morphine conditioned response was assessed by comparing the effects of morphine administered post-trial following a 5 min exposure to a novel environment versus a PE environment. Four groups of rats (2 vehicle and 2 morphine groups) were used. Two groups received ten daily 5 min non-drug PEs to an open-field arena and the other two groups were not pre-exposed to the environment. Subsequently, all groups received post-trial injections of either vehicle or morphine immediately after each of five daily 5 min sessions in the open-field. Importantly, on the first day of testing prior to the first post-test morphine administration, the locomotor activity of the novel and PE groups was not different. Over the 5 post-trial morphine treatments, the activity of the PE morphine group, the PE vehicle and the novel environment vehicle groups did not change and were equivalent. In contrast, in the novel environment morphine group, a conditioned hyper-activity response increased with repeated post-trial morphine treatments. For the morphine group it is suggested that the novel environment initiated a post-trial stimulus trace that occurred in temporal contiguity with the post-trial drug response and enabled the trace to become a CS for the morphine unconditioned response. In contrast, PE induced a latent inhibition effect in the PE morphine group, thus the post-trial CS trace was insufficient to become associated to the morphine response and no conditioning occurred. In addition to conventional drug induced Pavlovian delay conditioning, the findings are suggestive of drug induced Pavlovian trace conditioning.
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Affiliation(s)
- Jaise Silva Ferreira
- Behavioral Pharmacology Group, Laboratory of Animal Morphology and Pathology, State University of North Fluminense Darcy Ribeiro, Avenida Alberto Lamego, 2000, Campos dos Goytacazes 28013-602, RJ, Brazil
| | - João Marcos de Mello Bastos
- Behavioral Pharmacology Group, Laboratory of Animal Morphology and Pathology, State University of North Fluminense Darcy Ribeiro, Avenida Alberto Lamego, 2000, Campos dos Goytacazes 28013-602, RJ, Brazil
| | - Joaquim Barbosa Leite Junior
- Behavioral Pharmacology Group, Laboratory of Animal Morphology and Pathology, State University of North Fluminense Darcy Ribeiro, Avenida Alberto Lamego, 2000, Campos dos Goytacazes 28013-602, RJ, Brazil
| | - Richard Ian Samuels
- Department of Entomology and Plant Pathology, State University of North Fluminense Darcy Ribeiro, Campos dos Goytacazes, RJ, Brazil
| | - Robert J Carey
- Department of Psychiatry, SUNY Upstate Medical University, 800 Irving Avenue, Syracuse, NY 13210, USA
| | - Marinete Pinheiro Carrera
- Behavioral Pharmacology Group, Laboratory of Animal Morphology and Pathology, State University of North Fluminense Darcy Ribeiro, Avenida Alberto Lamego, 2000, Campos dos Goytacazes 28013-602, RJ, Brazil.
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Kolik LG, Nadorova AV, Narkevich VB, Kudrin VS. Hemantane a Derivative of Aminoadamantane Alleviates Morphine-Induced Hyperlocomotion via Modulation of Activity of the Dopaminergic and Serotonergic Systems. NEUROCHEM J+ 2020. [DOI: 10.1134/s1819712420010134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Liu H, Zhao H, Lin H, Li Z, Xue H, Zhang Y, Lu J. Relationship of COL9A1 and SOX9 Genes with Genetic Susceptibility of Postmenopausal Osteoporosis. Calcif Tissue Int 2020; 106:248-255. [PMID: 31732751 DOI: 10.1007/s00223-019-00629-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Accepted: 10/29/2019] [Indexed: 12/19/2022]
Abstract
As one of the most common types of osteoporosis, postmenopausal osteoporosis (PMOP) is caused by both genetic and environmental factors. Previous studies have indicated that SOX9 activity is tightly regulated to ensure normal bone mineral density (BMD) in the adult skeleton, and the COL9A1 promoter region can be transactivated by SOX9. In this study, we aimed to investigate the potential association between PMOP and the COL9A1 and SOX9 genes. A total of 10,443 postmenopausal women, including 2288 patients and 3557 controls in the discovery stage and 1566 patients and 3032 controls in the validation stage, were recruited. Forty-three tag SNPs (36 in COL9A1 and 7 in SOX9) were selected for genotyping to evaluate the association of the SOX9 gene with PMOP and BMD. Association and bioinformatics analyses were performed for PMOP. BMD and serum level of SOX9 were also utilized as quantitative phenotypes in further analyses. SNP rs73354570 of SOX9 was significantly associated with PMOP in both discovery stages (OR 1.24 [1.10-1.39], P = 3.56 × 10-4, χ2 = 12.75) and combined samples (OR 1.25 [1.15-1.37], P = 5.25 × 10-7, χ2 = 25.17). Further analyses showed that the SNP was also significantly associated with BMD and serum levels of the SOX9 protein. Our results provide further supportive evidence for the association of the SOX9 gene with PMOP and of the SOX9 gene with the variation of BMD in postmenopausal Han Chinese women. This study supports a role for SOX9 in the etiology of PMOP, adding to the current understanding of the susceptibility of osteoporosis.
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Affiliation(s)
- Hongliang Liu
- Department of Orthopedic, The First Affiliated Hospital of Xi'an Jiaotong University, No.277, Yanta West Road, Xi'an, 710061, Shaanxi, China
- Department of Trauma Orthopedics, Honghui Hospital, Xi'an Jiaotong University Health Science Center, No.555, Youyi East Road, Xi'an, 710054, Shaanxi, China
| | - Hongmou Zhao
- Department of Foot and Ankle Surgery, Honghui Hospital, Xi'an Jiaotong University Health Science Center, No.555, Youyi East Road, Xi'an, 710054, Shaanxi, China
| | - Hua Lin
- Department of Trauma Orthopedics, Honghui Hospital, Xi'an Jiaotong University Health Science Center, No.555, Youyi East Road, Xi'an, 710054, Shaanxi, China
| | - Zhong Li
- Department of Trauma Orthopedics, Honghui Hospital, Xi'an Jiaotong University Health Science Center, No.555, Youyi East Road, Xi'an, 710054, Shaanxi, China
| | - Hanzhong Xue
- Department of Trauma Orthopedics, Honghui Hospital, Xi'an Jiaotong University Health Science Center, No.555, Youyi East Road, Xi'an, 710054, Shaanxi, China
| | - Yunzhi Zhang
- Department of Orthopaedic Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, No.157, Xiwu Road, Xi'an, 710004, Shaanxi, China
| | - Jun Lu
- Department of Internal Medicine, Honghui Hospital, Xi'an Jiaotong University Health Science Center, No.555, Youyi East Road, Xi'an, 710054, Shaanxi, China.
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10
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Post-trial low dose apomorphine prevents the development of morphine sensitization. Behav Brain Res 2020; 380:112398. [DOI: 10.1016/j.bbr.2019.112398] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Revised: 11/28/2019] [Accepted: 11/28/2019] [Indexed: 11/19/2022]
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11
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Huang J, Yang G, Li Z, Leung CK, Wang W, Li Y, Liu L, Shen B, He C, He Y, Zeng X, Li J. Involvement of dopamine D3 receptor and dopamine transporter in methamphetamine-induced behavioral sensitization in tree shrews. Brain Behav 2020; 10:e01533. [PMID: 31943832 PMCID: PMC7010569 DOI: 10.1002/brb3.1533] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 12/15/2019] [Accepted: 12/29/2019] [Indexed: 11/26/2022] Open
Abstract
INTRODUCTION This study aims to establish a methamphetamine (METH)-induced behavioral sensitization model using tree shrews, as well as to measure the protein expression of the dopamine D3 receptor (D3R) and dopamine transporter (DAT). METHODS Forty tree shrews were equally and randomly divided into four experimental groups: those administered with 1, 2, and 4 mg/kg METH and a control group (treated with an equal amount of normal saline). Each experimental group was repeatedly exposed to METH for nine consecutive days to induce the development of behavioral sensitization, followed by four days of withdrawal (without the METH treatment) to induce the transfer of behavioral sensitization, then given 0.5 mg/kg of METH to undergo the expression of behavioral sensitization. Altered locomotor and stereotypic behaviors were measured daily via open-field experiments during the development and expression stages, and weight changes were also recorded. Then, the Western blot method was used to detect the expression levels of D3R and DAT in three brain regions: the nucleus accumbens, prefrontal cortex, and dorsal striatum 24 hr after the last behavioral test. RESULTS METH administration augmented motor-stimulant responses and stereotypic behaviors in all experimental groups, and stereotypic behaviors intensified more in the groups treated with 2 and 4 mg/kg METH. Motion distance, speed, and trajectory were significantly elevated in all experimental, however, METH at 4 mg/kg induced more stereotypic behaviors, decreasing these locomotor activities as compared with the 2 mg/kg METH group. 2 and 4 mg/kg METH significantly upregulated and downregulated D3R and DAT expression levels, respectively, in three brain regions, and these changes are more pronounced in 2 mg/kg METH. CONCLUSIONS These results indicated that this animal model may be used to study the neurobiological mechanisms that underly the development and expression of behavioral sensitization to METH. Deregulated D3R and DAT expression may be involved in the METH-induced behavioral sensitization.
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Affiliation(s)
- Jian Huang
- School of Forensic Medicine, Kunming Medical University, Kunming, China
| | - Genmeng Yang
- School of Forensic Medicine, Kunming Medical University, Kunming, China
| | - Zhen Li
- School of Forensic Medicine, Kunming Medical University, Kunming, China
| | - Chi-Kwan Leung
- School of Biomedical Sciences, the Chinese University of Hong Kong, Hong Kong, China.,CUHK-SDU Joint Laboratory of Reproductive Genetics, School of Biomedical Sciences, the Chinese University of Hong Kong, Hong Kong, China
| | - Wenguang Wang
- Center of Tree Shrew Germplasm Resources, Institute of Medical Biology, Yunnan Key Laboratory of Vaccine Research and Development on Severe Infectious Diseases, Yunnan Innovation Team of Standardization and Application Research in Tree Shrew, the Chinese Academy of Medical Science and Peking Union Medical College, Kunming, China
| | - Yuanyuan Li
- School of Forensic Medicine, Kunming Medical University, Kunming, China
| | - Liu Liu
- School of Forensic Medicine, Kunming Medical University, Kunming, China
| | - Baoyu Shen
- School of Forensic Medicine, Kunming Medical University, Kunming, China
| | - Cuihua He
- School of Forensic Medicine, Kunming Medical University, Kunming, China
| | - Yongwang He
- School of Forensic Medicine, Kunming Medical University, Kunming, China
| | - Xiaofeng Zeng
- School of Forensic Medicine, Kunming Medical University, Kunming, China
| | - Juan Li
- School of Basic Medicine, Kunming Medical University, Kunming, China
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12
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Ifenprodil Attenuates Methamphetamine-Induced Behavioral Sensitization Through the GluN2B-PP2A-AKT Cascade in the Dorsal Striatum of Mice. Neurochem Res 2020; 45:891-901. [DOI: 10.1007/s11064-020-02966-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 01/08/2020] [Accepted: 01/17/2020] [Indexed: 12/13/2022]
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13
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Kang X, Tian B, Zhang L, Ge Z, Zhao Y, Zhang Y. Relationship of common variants in MPP7, TIMP2 and CASP8 genes with the risk of chronic achilles tendinopathy. Sci Rep 2019; 9:17627. [PMID: 31772230 PMCID: PMC6879592 DOI: 10.1038/s41598-019-54097-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Accepted: 11/08/2019] [Indexed: 11/08/2022] Open
Abstract
Previous etiologic studies have indicated that both environmental and genetic factors play important roles in the occurrence and development of chronic Achilles tendinopathy (AT). A recent study documented the results of the largest genome-wide association study for chronic AT to date, indicating that MPP7, TIMP2 and CASP8 may be involved in the occurrence and development of chronic AT. In this study, we aimed to investigate whether MPP7, TIMP2 and CASP8 were associated with susceptibility to chronic AP in a Han Chinese population. A total of 3,680 study subjects comprised 1,288 chronic AT cases, and 2,392 healthy controls were recruited. Forty-four tag SNPs (7 from CASP8, 20 from MPP7, and 17 from TIMP2) were genotyped in the study. Genetic association analyses were performed at both single marker and haplotype levels. Functional consequences of significant SNPs were examined in the RegulomeDB and GTEx databases. Two SNPs, SNP rs1937810 (OR [95%CI] = 1.20 [1.09-1.32], χ2 = 13.50, P = 0.0002) in MPP7 and rs4789932 (OR [95%CI] = 1.24 [1.12-1.37], χ2 = 17.98, P = 2.23 × 10-5) in TIMP2, were significantly associated with chronic AT. Significant eQTL signals for SNP rs4789932 on TIMP2 were identified in human heart and artery tissues. Our results provide further supportive evidence for the association of the TIMP2 and MPP7 genes with chronic AT, which supports important roles for TIMP2 and MPP7 in the etiology of chronic AT, adding to the current understanding of the susceptibility of chronic AT.
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Affiliation(s)
- Xin Kang
- Department of Orthopedics, the First Affiliated Hospital of Xi'an Jiao Tong University, Xi'an, Shaanxi, China
- Department of Sports Medicine, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Bin Tian
- Department of Sports Medicine, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Liang Zhang
- Department of Sports Medicine, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Zhaogang Ge
- Department of Sports Medicine, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yang Zhao
- Department of Sports Medicine, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yingang Zhang
- Department of Orthopedics, the First Affiliated Hospital of Xi'an Jiao Tong University, Xi'an, Shaanxi, China.
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14
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Mo D, Li J, Peng L, Liu Z, Wang J, Yuan J. Genetic Polymorphisms on 4q21.1 Contributed to the Risk of Hashimoto's Thyroiditis. Genet Test Mol Biomarkers 2019; 23:837-842. [PMID: 31750736 DOI: 10.1089/gtmb.2019.0125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Background: Hashimoto's thyroiditis (HT) is a common autoimmune disease characterized by lymphoid infiltration of the thyroid gland, including both T- and B-cells. Early studies have shown that HT is a complex disorder affected by both environmental and genetic factors. Recently, the single nucleotide polymorphism (SNP) rs2276886 associated with the CXCL9 gene was identified as associated with autoimmune thyroid disease susceptibility in Japanese populations. The aim of the present study was to validate this result for HT in a Chinese Han population. Methods: Study subjects, including 688 HT cases and 1456 healthy controls, were recruited, and 10 SNPs located within the CXCL9 gene were genotyped. Genetic association analyses were performed by fitting logistic models. Bioinformatics tools, including RegulomeDB and GTEx were utilized to investigate the functional consequences of the SNPs found to be significantly associated with HT. Results: SNP rs2276886 was identified as significantly associated with the risk of HT (odds ratio [OR] = 1.25, p = 0.0006). No significant expression quantitative trait loci (eQTL) signals could be identified for CXCL9. Significant eQTL signals were found for other genes, including ART3, CXCL10, CXCL11, NAAA, PPEF2, and SCARB2. This SNP physically maps to the CXCL9 gene region; however, further bioinformatic analyses indicated that this SNP might be associated with the gene NAAA. Conclusions: The rs2276886 SNP was found to be significantly associated with HT susceptibility. However, our findings suggest that this SNP which maps to the chromosomal region 4q21.1 likely effects the NAAA gene (as opposed to the CXCL9 gene), but still contributes to the susceptibility to HT in Han Chinese populations.
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Affiliation(s)
- Dachao Mo
- Department of General Surgery, Dongguan Tungwah Hospital, Dongguan, China
| | - Junjiu Li
- Department of General Surgery, Dongguan Tungwah Hospital, Dongguan, China
| | - Liang Peng
- Department of General Surgery, Dongguan Tungwah Hospital, Dongguan, China
| | - Zhiyuan Liu
- Department of General Surgery, Dongguan Tungwah Hospital, Dongguan, China
| | - Jieyun Wang
- Department of General Surgery, Dongguan Tungwah Hospital, Dongguan, China
| | - Jiru Yuan
- Department of General Surgery, Dongguan Tungwah Hospital, Dongguan, China
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15
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Listos J, Łupina M, Talarek S, Mazur A, Orzelska-Górka J, Kotlińska J. The Mechanisms Involved in Morphine Addiction: An Overview. Int J Mol Sci 2019; 20:ijms20174302. [PMID: 31484312 PMCID: PMC6747116 DOI: 10.3390/ijms20174302] [Citation(s) in RCA: 81] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 08/23/2019] [Accepted: 08/29/2019] [Indexed: 12/22/2022] Open
Abstract
Opioid use disorder is classified as a chronic recurrent disease of the central nervous system (CNS) which leads to personality disorders, co-morbidities and premature death. It develops as a result of long-term administration of various abused substances, along with morphine. The pharmacological action of morphine is associated with its stimulation of opioid receptors. Opioid receptors are a group of G protein-coupled receptors and activation of these receptors by ligands induces significant molecular changes inside the cell, such as an inhibition of adenylate cyclase activity, activation of potassium channels and reductions of calcium conductance. Recent data indicate that other signalling pathways also may be involved in morphine activity. Among these are phospholipase C, mitogen-activated kinases (MAP kinases) or β-arrestin. The present review focuses on major mechanisms which currently are considered as essential in morphine activity and dependence and may be important for further studies.
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Affiliation(s)
- Joanna Listos
- Department of Pharmacology and Pharmacodynamics, Medical University of Lublin, Chodzki 4a St., 20-093 Lublin, Poland.
| | - Małgorzata Łupina
- Department of Pharmacology and Pharmacodynamics, Medical University of Lublin, Chodzki 4a St., 20-093 Lublin, Poland.
| | - Sylwia Talarek
- Department of Pharmacology and Pharmacodynamics, Medical University of Lublin, Chodzki 4a St., 20-093 Lublin, Poland.
| | - Antonina Mazur
- Department of Pharmacology and Pharmacodynamics, Medical University of Lublin, Chodzki 4a St., 20-093 Lublin, Poland.
| | - Jolanta Orzelska-Górka
- Department of Pharmacology and Pharmacodynamics, Medical University of Lublin, Chodzki 4a St., 20-093 Lublin, Poland.
| | - Jolanta Kotlińska
- Department of Pharmacology and Pharmacodynamics, Medical University of Lublin, Chodzki 4a St., 20-093 Lublin, Poland.
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16
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Xu M, Liu Y, Li X, Cheng C, Liu Y, Dong W, Du S, Xiao S. Evaluation of genetic susceptibility between systemic lupus erythematosus and GRB2 gene. Sci Rep 2019; 9:10335. [PMID: 31316132 PMCID: PMC6637148 DOI: 10.1038/s41598-019-46827-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Accepted: 07/05/2019] [Indexed: 11/21/2022] Open
Abstract
Multiple lines of evidence have shown that systemic lupus erythematosus (SLE) is attributable to both genetic and environmental factors. The product of GRB2 is a key factor in the activation of B cells and has been reported to be significantly associated with SLE in European populations. In the study, we aimed to investigate the relationship between GRB2 and SLE. A total of 1,710 Han Chinese women comprising 567 SLE patients and 1,143 controls were recruited to genotype 20 selected tagging SNPs. We tested the potential association between 13 clinical variables of SLE and the significant polymorphisms related to SLE. The eQTL data were extracted from the GTEx database to examine the functional consequences of the targeted SNPs. A significant association signal was identified between rs36023980 and SLE in both genotypic and allelic analyses (OR = 0.61, P = 0.0003). Complement inhibition was shown to be significantly associated with the genotypes of SNP rs36023980 in SLE patients (Pgenotype = 0.003). Further stratification analyses showed that the genetic association signal of SNP rs36023980 on SLE could only be identified in cases with complement inhibition. SNP rs36023980 was also identified to be significantly associated with the expression of GRB2 in whole blood and sun-exposed skin. In conclusion, our findings confirm the results from the previous GWAS and are the first to report the association of GRB2 with SLE in Han Chinese population.
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Affiliation(s)
- Meifeng Xu
- Department of Dermatology, the Second Affiliated Hospital of Xi'an Jiao Tong University, Xi'an, Shaanxi, China
| | - Yan Liu
- Department of Dermatology, the Second Affiliated Hospital of Xi'an Jiao Tong University, Xi'an, Shaanxi, China
| | - Xiaoli Li
- Department of Dermatology, the Second Affiliated Hospital of Xi'an Jiao Tong University, Xi'an, Shaanxi, China
| | - Chuantao Cheng
- Department of Dermatology, the Second Affiliated Hospital of Xi'an Jiao Tong University, Xi'an, Shaanxi, China
| | - Yale Liu
- Department of Dermatology, the Second Affiliated Hospital of Xi'an Jiao Tong University, Xi'an, Shaanxi, China
| | - Wei Dong
- Department of Dermatology, the Second Affiliated Hospital of Xi'an Jiao Tong University, Xi'an, Shaanxi, China
| | - Shaoyi Du
- Institute of Artificial Intelligence and Robotics, Xi'an Jiaotong University, Xi'an, Shaanxi, China.
| | - Shengxiang Xiao
- Department of Dermatology, the Second Affiliated Hospital of Xi'an Jiao Tong University, Xi'an, Shaanxi, China.
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17
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Nie G, Wen X, Liang X, Zhao H, Li Y, Lu J. Additional evidence supports association of common genetic variants in MMP3 and TIMP2 with increased risk of chronic Achilles tendinopathy susceptibility. J Sci Med Sport 2019; 22:1074-1078. [PMID: 31208828 DOI: 10.1016/j.jsams.2019.05.021] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Revised: 04/13/2019] [Accepted: 05/30/2019] [Indexed: 12/25/2022]
Abstract
OBJECTIVES To systematically evaluate the effects of matrix metalloproteinase-3 (MMP3) and tissue inhibitor of metalloproteinase-2 (TIMP2) on chronic Achilles tendinopathy (AT) susceptibility. Chronic AT is one of the most prevalent and severe injuries in athletes. Early studies suggested that tendon extracellular matrix (ECM) may be involved in the pathogenesis of chronic AT. MMP3 is an important member of the MMP family and is important to ECM integrity. In addition, tissue inhibitor of metalloproteinase-2 (TIMP2) can indirectly limit the activity of MMP3 activity. DESIGN Case-control genetic association study. METHODS A total of 1084 chronic AT patients and 2188 controls with Chinese Han ancestry were recruited. Twenty-one SNPs, 4 mapped to MMP3 and 17 mapped to TIMP2, were selected and genotyped. Genetic association analyses and eQTL analyses were performed. In addition, we also examined the potential effects of epistasis using a case-only study design. RESULTS Two SNPs, rs679620 (OR=0.82, P=0.0006, MMP3) and rs4789932 (OR=1.2, P=0.0002, TIMP2) were identified to be significantly associated with chronic AT risk. No significant results were obtained from epistasis analyses. SNP rs4789932 was identified to be strongly associated with the gene expression level of TIMP2 in two types of human tissues: atrial appendage (P=0.0003) and tibial artery (P=0.0009). CONCLUSIONS We have identified genetic polymorphisms in MMP3 and TIMP2 to be significantly associated with chronic AT risk. Further eQTL analyses indicated that SNP rs4789932 of TIMP2 was related to the gene expression levels of TIMP2. These results suggest important roles for MMP3 and TIMP2 in the pathophysiology of chronic AT.
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Affiliation(s)
- Guanghua Nie
- Department of Foot and Ankle Surgery, Honghui Hospital, Xi'an Jiaotong University, China
| | - Xiaodong Wen
- Department of Foot and Ankle Surgery, Honghui Hospital, Xi'an Jiaotong University, China
| | - Xiaojun Liang
- Department of Foot and Ankle Surgery, Honghui Hospital, Xi'an Jiaotong University, China
| | - Hongmou Zhao
- Department of Foot and Ankle Surgery, Honghui Hospital, Xi'an Jiaotong University, China
| | - Yi Li
- Department of Foot and Ankle Surgery, Honghui Hospital, Xi'an Jiaotong University, China
| | - Jun Lu
- Department of Foot and Ankle Surgery, Honghui Hospital, Xi'an Jiaotong University, China.
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IRAK2 and TLR10 confer risk of Hashimoto’s disease: a genetic association study based on the Han Chinese population. J Hum Genet 2019; 64:617-623. [DOI: 10.1038/s10038-019-0613-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 04/03/2019] [Accepted: 04/15/2019] [Indexed: 02/05/2023]
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19
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Yi X, Xu E, Xiao Y, Cai X. Evaluation of the Relationship Between Common Variants in the TLR-9 Gene and Hip Osteoarthritis Susceptibility. Genet Test Mol Biomarkers 2019; 23:373-379. [PMID: 31066581 DOI: 10.1089/gtmb.2019.0010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Objective: Hip osteoarthritis (HOA) is one of the most common types of osteoarthritis and affects nearly 10% of men and 18% of women who are >60 years of age worldwide. It has been demonstrated to be a genetic disease with a 50% heritability risk. Recently, the TLR-9 gene has been associated with knee OA in both Turkish and Chinese populations, but the relationship between the TLR-9 gene and HOA has not been evaluated. In this study, we aimed to evaluate the relationship between the common genetic variants in the TLR-9 gene and the predisposition of Han Chinese individuals to HOA. Methods: A total of 730 HOA patients and 1220 healthy controls were recruited in a hospital-based case-control study. Six common single nucleotide polymorphisms (SNPs) of the TLR-9 gene were selected for genotyping, and genetic association analyses were performed using both single-marker and haplotype-based methods. Results: The SNP rs187084 was found to be significantly associated with the risk of HOA after a Bonferroni correction (adjusted allelic p-values with age, gender, and body mass index [BMI] = 0.0008). The results indicated that the A allele of rs187084 is a risk allele for HOA and is likely to be a predisposing factor leading to an increased risk of HOA (adjusted odds ratio with age, gender, and BMI = 1.26, 95% confidence interval = 1.10-1.43). The results of the haplotype analyses confirmed a similar pattern to the SNP analyses. Conclusions: Our study provides strong evidence that variations in the TLR-9 gene are closely linked with genetic susceptibility to HOA in the Han Chinese population. This finding furthers the role of TLR-9 in the development and occurrence of OA in general.
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Affiliation(s)
- Xiaoqing Yi
- 1 Department of Pediatrics, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Erdi Xu
- 1 Department of Pediatrics, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Yanfeng Xiao
- 1 Department of Pediatrics, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Xuan Cai
- 2 Department of Orthopaedic Surgery, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
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20
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Yang J, Wang J, Liang X, Zhao H, Lu J, Ma Q, Tian F. Relationship Between Genetic Polymorphisms of the TNF Gene and Hallux Valgus Susceptibility. Genet Test Mol Biomarkers 2019; 23:380-386. [PMID: 31063409 DOI: 10.1089/gtmb.2018.0269] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Background: Hallux valgus (HV) is a type of forefoot deformity affecting ∼23% of adults. Previous studies have shown that HV is highly heritable. Tumor necrosis factor (TNF) is an important proinflammatory cytokine involved in bone remodeling and plays essential roles in osteoarthritis and chronic inflammatory bone diseases, including HV. Methods: A total of 1,788 Chinese women comprising 637 HV subjects and 1,151 controls were recruited. Twelve single nucleotide polymorphisms (SNPs) located in TNF and its promoter regions were selected and genotyped. Genetic association analyses were performed to investigate potential susceptibility SNPs. Bioinformatic and expression quantitative trait loci (eQTL) analyses were conducted to examine the functional consequences of the SNPs identified as being significantly associated with HV. Results: SNP rs1800629, which is located at the 5' end of the promoter region of TNF, was identified as significantly associated with HV status in Chinese women (OR = 0.56, p = 2.12 × 10-6). Bioinformatic analyses using RegulomeDB indicated that this SNP has important functional significance, but subsequent eQTL analyses did not identify a significant association between rs1800629 and TNF gene expression. In addition, 26 genes with cis-eQTL for rs1800629 were identified. Conclusions: This study identified a susceptibility SNP for HV located within the promoter region of the TNF gene. Bioinformatic and eQTL analyses linked this SNP to 26 genes but not to TNF. Functional studies are needed to more fully characterize the effects of this SNP.
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Affiliation(s)
- Jie Yang
- Department of Foot and Ankle Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Junhu Wang
- Department of Foot and Ankle Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Xiaojun Liang
- Department of Foot and Ankle Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Hongmou Zhao
- Department of Foot and Ankle Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Jun Lu
- Department of Foot and Ankle Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Qiang Ma
- Department of Foot and Ankle Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Feng Tian
- Department of Foot and Ankle Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
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Selective dopamine D3 receptor antagonist YQA14 inhibits morphine-induced behavioral sensitization in wild type, but not in dopamine D3 receptor knockout mice. Acta Pharmacol Sin 2019; 40:583-588. [PMID: 30224637 DOI: 10.1038/s41401-018-0153-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Accepted: 07/17/2018] [Indexed: 12/15/2022] Open
Abstract
Increasing preclinical evidence demonstrates that dopamine D3 receptor (D3R) antagonists are a potential option for the treatment of drug addiction. The reinstatement of the addiction can be triggered by environmental stimuli that acquire motivational salience through repeated associations with the drug's effects. YQA14 is a novel D3R antagonist that has exhibited pharmacotherapeutic efficacy in reducing cocaine and amphetamine reward and relapse to drug seeking in mice. In this study we investigated the effects of YQA14 on morphine-induced context-specific locomotor sensitization in mice. We showed that repeated injection of YQA14 (6.25-25 mg/kg every day ip) prior to morphine (10 mg/kg every day sc) not only inhibited the acquisition, but also significantly attenuated the expression of morphine-induced locomotor sensitization. Furthermore, in the expression phase, one single injection of YQA14 (6.25-25 mg/kg, ip) dose-dependently inhibited the expression of morphine-induced behavioral sensitization. Moreover, YQA14 inhibited the expression of morphine-induced behavioral sensitization in wild mice (WT), but not in D3R knockout (D3R-/-) mice in the expression phase. In addition, D3R-/- mice also displayed the reduction in the expression phase compared with WT mice. In summary, this study demonstrates that blockade or knockout of the D3R inhibits morphine-induced behavior sensitization, suggesting that D3R plays an important role in the pathogenesis and etiology of morphine addiction, and it might be a potential target for clinical management of opioid addiction.
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22
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Tong H, Wei Z, Yin J, Zhang B, Zhang T, Deng C, Huang Y, Zhang N. Genetic susceptibility of common polymorphisms in NIN and SIGLEC5 to chronic periodontitis. Sci Rep 2019; 9:2088. [PMID: 30765789 PMCID: PMC6376118 DOI: 10.1038/s41598-019-38632-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Accepted: 01/04/2019] [Indexed: 12/13/2022] Open
Abstract
Chronic periodontitis (CP) is a common oral disease characterized by the slow progression of alveolar attachment loss and bone destruction. Genetic components have been reported to play an important role in the onset and development of CP. In the present study, we aimed to replicate the association signals of NIN and SIGLEC5 identified in previous genome-wide association studies (GWASs) of samples from Chinese Han individuals. Association signals between clinical severity indicators of CP and relevant single nucleotide polymorphisms (SNPs) were also examined. A total of 3,160 study subjects, including 1,076 CP patients and 2,084 healthy controls, were recruited. A total of 32 SNPs, including 22 from NIN and 10 from SIGLEC5, were selected for genotyping. SNPs rs12883458 (OR = 1.45, P = 1.22 × 10-5, NIN) and rs4284742 (OR = 0.75, P = 1.69 × 10-5, SIGLEC5) were significantly associated with CP disease status. rs4284742 was significantly associated with all 3 clinical severity indicators, including bleeding on probing (BOP), probing depth (PD) and clinical attachment loss (CAL). According to evidence from bioinformatics analyses, both significant SNPs, rs12883458 and rs4284742, are likely surrogates of underlying variants with true effects. In summary, our findings provide direct evidence for the association of NIN and SIGLEC5 with CP susceptibility.
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Affiliation(s)
- Hua Tong
- Department of Stomatology, the First Affiliated Hospital, School of Medicine, Xi'an Jiaotong University, Xi'an, China.,Department of Anesthesiology, the First Affiliated Hospital, School of Medicine, Xi'an Jiaotong University, Xi'an, China
| | - Zhuliang Wei
- Department of Stomatology, Jinan Stomatological Hospital, Jinan, China
| | - Jing Yin
- Department of Stomatology, Jinan Stomatological Hospital, Jinan, China
| | - Bo Zhang
- Department of Biomedical Engineering, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, China
| | - Tianxiao Zhang
- Department of Epidemiology and Biostatistics, Health Science Center, Xi'an Jiaotong University, Xi'an, China
| | - Chunni Deng
- Department of Stomatology, the First Affiliated Hospital, School of Medicine, Xi'an Jiaotong University, Xi'an, China
| | - Yali Huang
- Department of Stomatology, the First Affiliated Hospital, School of Medicine, Xi'an Jiaotong University, Xi'an, China
| | - Nan Zhang
- Department of Stomatology, the First Affiliated Hospital, School of Medicine, Xi'an Jiaotong University, Xi'an, China.
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Reversal of morphine conditioned behavior by an anti-dopaminergic post-trial drug treatment during re-consolidation. Behav Brain Res 2019; 359:771-782. [DOI: 10.1016/j.bbr.2018.08.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Revised: 07/31/2018] [Accepted: 08/10/2018] [Indexed: 11/30/2022]
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24
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Kang C, Zhao J, Wang Y, Yang C, Chen J, Zhi L. Relationship of common variants in Interleukin 33 gene with susceptibility and prognosis of osteosarcoma in Han Chinese population. J Cancer 2019; 10:1138-1144. [PMID: 30854122 PMCID: PMC6400670 DOI: 10.7150/jca.29086] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Accepted: 01/04/2019] [Indexed: 12/13/2022] Open
Abstract
Osteosarcoma (OS) is one of the most common malignant bone tumors. Many previous studies have indicated that OS is a complex disease and that its development may be affected by multiple genetic factors, which may contribute to its carcinogenesis. The aim of the present study was to evaluate the relationship of IL-33 with susceptibility and prognosis of OS in Han Chinese individuals. A total of 1,605 study subjects including 507 OS patients and 1,098 controls were recruited. Eighteen SNPs mapped to IL-33 were selected for genotyping. Genetic associations between selected SNPs and OS disease status were evaluated. Survival analyses, including Kaplan-Meier analysis and Cox model fitting for significant SNPs, were performed. The functional consequences of significant SNPs were analyzed using a publicly available database. SNP rs1048274 was identified to be significantly associated with OS disease status (OR=0.75, P=1.53×10-4). Compared to the GA and GG groups, OS patients with the AA genotype of rs1048274 had better survival rate. The hazard ratio of SNP rs1048274 (AA group compared to GG+GA group) was 0.35 (95% confidence interval of 0.25-0.5) following adjustment for several clinical variables. In conclusion, our results suggested that IL-33 may play a key role in the etiology of OS, indicating IL-33 as a potential genetic risk factor of the development and prognosis of OS.
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Affiliation(s)
- Chao Kang
- Department of Oncology, Shaanxi Traditional Chinese Medicine Hospital, Xi'an, China
| | - Jianwu Zhao
- Department of Hand & Foot Microsurgery, the Second Affiliated Hospital of Yanan University, Yulin, China
| | - Yuanchun Wang
- The First Department of Oncology, Affiliated Hospital of Shaanxi University of Traditional Chinese Medicine, Xianyang, China
| | - Chenguang Yang
- Department of Oncology, Shaanxi Traditional Chinese Medicine Hospital, Xi'an, China
| | - Jie Chen
- Department of Oncology, Shaanxi Traditional Chinese Medicine Hospital, Xi'an, China
| | - Liqiang Zhi
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
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25
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Zhou W, Bao W, Jiang D, Kong Y, Hua F, Lu X, Guan Y. [18F]-GE-179 positron emission tomography (PET) tracer for N-methyl-d-aspartate receptors: One-pot synthesis and preliminary micro-PET study in a rat model of MCAO. Nucl Med Biol 2018; 61:45-55. [DOI: 10.1016/j.nucmedbio.2018.04.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Revised: 03/14/2018] [Accepted: 04/10/2018] [Indexed: 12/23/2022]
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26
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Łupina M, Tarnowski M, Baranowska-Bosiacka I, Talarek S, Listos P, Kotlińska J, Gutowska I, Listos J. SB-334867 (an Orexin-1 Receptor Antagonist) Effects on Morphine-Induced Sensitization in Mice-a View on Receptor Mechanisms. Mol Neurobiol 2018; 55:8473-8485. [PMID: 29557083 PMCID: PMC6153720 DOI: 10.1007/s12035-018-0993-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Accepted: 03/07/2018] [Indexed: 12/20/2022]
Abstract
The present study focused upon the role of SB-334867, an orexin-1 receptor antagonist, in the acquisition of morphine-induced sensitization to locomotor activity in mice. Behavioral sensitization is an enhanced systemic reaction to the same dose of an addictive substance, which assumingly increases both the desire for the drug and the risk of relapse to addiction. Morphine-induced sensitization in mice was achieved by sporadic doses (five injections every 3 days) of morphine (10 mg/kg, i.p.), while a challenge dose of morphine (10 mg/kg) was injected 7 days later. In order to assess the impact of orexin system blockade on the acquisition of sensitization, SB-334867 was administered before each morphine injection, except the morphine challenge dose. The locomotor activity test was performed on each day of morphine administration. Brain structures (striatum, hippocampus, and prefrontal cortex) were collected after behavioral tests for molecular experiments in which mRNA expression of orexin, dopamine, and adenosine receptors was explored by the qRT-PCR technique. Additionally, the mRNA expression of markers, such as GFAP and Iba-1, was also analyzed by the same technique. SB-334867 inhibited the acquisition of morphine-induced sensitization to locomotor activity of mice. Significant alterations were observed in mRNA expression of orexin, dopamine, and adenosine receptors and in the expression of GFAP and Iba-1, showing a broad range of interactions in the mesolimbic system among orexin, dopamine, adenosine, and glial cells during behavioral sensitization. Summing up, the orexin system may be an effective measure to inhibit morphine-induced behavioral sensitization.
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Affiliation(s)
- Małgorzata Łupina
- Department of Pharmacology and Pharmacodynamics, Medical University of Lublin, Chodźki 4a St., 20-093, Lublin, Poland.
| | - Maciej Tarnowski
- Department of Physiology, Pomeranian Medical University, Powstańców Wlkp. 72 Av., 70-111, Szczecin, Poland
| | - Irena Baranowska-Bosiacka
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, Powstańców Wlkp. 72 Av., 70-111, Szczecin, Poland
| | - Sylwia Talarek
- Department of Pharmacology and Pharmacodynamics, Medical University of Lublin, Chodźki 4a St., 20-093, Lublin, Poland
| | - Piotr Listos
- Department and Clinic of Animal Internal Diseases, Sub-Department of Pathomorphology and Forensic Medicine, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, 30 Av, 20-612, Lublin, Poland
| | - Jolanta Kotlińska
- Department of Pharmacology and Pharmacodynamics, Medical University of Lublin, Chodźki 4a St., 20-093, Lublin, Poland
| | - Izabela Gutowska
- Department of Biochemistry and Human Nutrition, Pomeranian Medical University, Broniewskiego 24 Str., 71-460, Szczecin, Poland
| | - Joanna Listos
- Department of Pharmacology and Pharmacodynamics, Medical University of Lublin, Chodźki 4a St., 20-093, Lublin, Poland
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Hearing M, Graziane N, Dong Y, Thomas MJ. Opioid and Psychostimulant Plasticity: Targeting Overlap in Nucleus Accumbens Glutamate Signaling. Trends Pharmacol Sci 2018; 39:276-294. [PMID: 29338873 DOI: 10.1016/j.tips.2017.12.004] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2017] [Revised: 11/11/2017] [Accepted: 12/13/2017] [Indexed: 12/11/2022]
Abstract
Commonalities in addictive behavior, such as craving, stimuli-driven drug seeking, and a high propensity for relapse following abstinence, have pushed for a unified theory of addiction that encompasses most abused substances. This unitary theory has recently been challenged - citing distinctions in structural neural plasticity, biochemical signaling, and neural circuitry to argue that addiction to opioids and psychostimulants is behaviorally and neurobiologically distinct. Recent more selective examination of drug-induced plasticity has highlighted that these two drug classes promote an overall reward circuitry signaling overlap through modifying excitatory synapses in the nucleus accumbens - a key constituent of the reward system. We discuss adaptations in presynaptic/postsynaptic and extrasynaptic glutamate signaling produced by opioids and psychostimulants, and their relevance to circuit remodeling and addiction-related behavior - arguing that these core neural adaptations are important targets for developing pharmacotherapies to treat addiction to multiple drugs.
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Affiliation(s)
- Matthew Hearing
- Department of Biomedical Sciences, Marquette University, Milwaukee, WI 53233, USA.
| | - Nicholas Graziane
- Department of Anesthesiology and Perioperative Medicine, Penn State College of Medicine, Hershey, PA 17033, USA; Departments of Neuroscience and Psychiatry, University of Pittsburgh, Pittsburgh, PA 15260, USA
| | - Yan Dong
- Departments of Neuroscience and Psychiatry, University of Pittsburgh, Pittsburgh, PA 15260, USA
| | - Mark J Thomas
- Department of Psychology, University of Minnesota, Minneapolis, MN 55455, USA; Institute for Translational Neuroscience, University of Minnesota, Minneapolis, MN 55455, USA
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Wang Y, Yin F, Guo H, Zhang J, Yan P, Lai J. The Role of Dopamine D1 and D3 Receptors in N-Methyl-D-Aspartate (NMDA)/GlycineB Site-Regulated Complex Cognitive Behaviors following Repeated Morphine Administration. Int J Neuropsychopharmacol 2017; 20:562-574. [PMID: 28199666 PMCID: PMC5492807 DOI: 10.1093/ijnp/pyx010] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2016] [Accepted: 02/08/2017] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Opiate addiction is associated with complex cognitive impairment, which contributes to the development of compulsive drug use and relapses. Dopamine and N-methyl-D-aspartate receptors play critical roles in opiate-induced cognitive deficits. However, the roles of D1 and D3 receptors in the N-methyl-D-aspartate/glycineB receptor-regulated cognitive behaviors induced by morphine remain unknown. METHODS The 5-choice serial reaction time task was used to investigate the cognitive profiles associated with repeated morphine administration in D1 (D1-/-)- and D3 (D3-/-)-receptor knockout mice. The expression of phosphorylated NR1, Ca2+/calmodulin-dependent protein kinase II (CaMKII), and cAMP response element-binding protein (CREB) in the brain was examined by western blotting. D1-/- and D3-/- mice were treated with the N-methyl-D-aspartate/glycineB site agonist l-aminocyclopropanecarboxylic acid and the antagonist L-701,324 to chronically disrupt N-methyl-D-aspartate receptor function and investigate their effects on morphine-induced cognitive changes. RESULTS Repeated morphine administration impaired attentional function and caused impulsive and compulsive behaviors. D1-/- mice exhibited hardly any premature nosepokes. D3-/- mice showed robustly increased morphine-induced impulsive behavior. The numbers of premature responses were decreased by L-701,324 administration and increased by ACPC administration; these effects were completely abolished in D1-/- mice due to their inability to perform reward-based tasks. In contrast, the inhibitory effects of L-701,324 on impulsive behavior were significantly augmented in D3-/- mice. CONCLUSIONS N-methyl-D-aspartate/glycineB site functions may contribute to morphine-induced cognitive deficits, especially those related to impulsive behavior. D1 and D3 receptors may have contrasting effects with respect to modulating impulsive behavior. D3 receptors have inhibitory effects on impulsive behaviors, and these effects are clearly mediated by N-methyl-D-aspartate/glycineB receptor and μ-opioid receptor interactions.
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Affiliation(s)
- Yunpeng Wang
- College of Forensic Science, Xi’an Jiaotong University, Xi’an, Shaanxi 710061, China
| | - Fangyuan Yin
- College of Forensic Science, Xi’an Jiaotong University, Xi’an, Shaanxi 710061, China
| | - Hao Guo
- College of Forensic Science, Xi’an Jiaotong University, Xi’an, Shaanxi 710061, China
| | - Jing Zhang
- College of Forensic Science, Xi’an Jiaotong University, Xi’an, Shaanxi 710061, China
| | - Peng Yan
- College of Forensic Science, Xi’an Jiaotong University, Xi’an, Shaanxi 710061, China
| | - Jianghua Lai
- College of Forensic Science, Xi’an Jiaotong University, Xi’an, Shaanxi 710061, China
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29
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Hopf FW. Do specific NMDA receptor subunits act as gateways for addictive behaviors? GENES BRAIN AND BEHAVIOR 2016; 16:118-138. [PMID: 27706932 DOI: 10.1111/gbb.12348] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 07/05/2016] [Revised: 09/27/2016] [Accepted: 10/03/2016] [Indexed: 12/19/2022]
Abstract
Addiction to alcohol and drugs is a major social and economic problem, and there is considerable interest in understanding the molecular mechanisms that promote addictive drives. A number of proteins have been identified that contribute to expression of addictive behaviors. NMDA receptors (NMDARs), a subclass of ionotropic glutamate receptors, have been of particular interest because their physiological properties make them an attractive candidate for gating induction of synaptic plasticity, a molecular change thought to mediate learning and memory. NMDARs are generally inactive at the hyperpolarized resting potentials of many neurons. However, given sufficient depolarization, NMDARs are activated and exhibit long-lasting currents with significant calcium permeability. Also, in addition to stimulating neurons by direct depolarization, NMDARs and their calcium signaling can allow strong and/or synchronized inputs to produce long-term changes in other molecules (such as AMPA-type glutamate receptors) which can last from days to years, binding internal and external stimuli in a long-term memory trace. Such memories could allow salient drug-related stimuli to exert strong control over future behaviors and thus promote addictive drives. Finally, NMDARs may themselves undergo plasticity, which can alter subsequent neuronal stimulation and/or the ability to induce plasticity. This review will address recent and past findings suggesting that NMDAR activity promotes drug- and alcohol-related behaviors, with a particular focus on GluN2B subunits as possible central regulators of many addictive behaviors, as well as newer studies examining the importance of non-canonical NMDAR subunits and endogenous NMDAR cofactors.
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Affiliation(s)
- F W Hopf
- Alcohol and Addiction Research Group, Department of Neurology, University of California at San Francisco, San Francisco, CA, USA
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GluN2B N-methyl-D-aspartate receptor and excitatory amino acid transporter 3 are upregulated in primary sensory neurons after 7 days of morphine administration in rats: implication for opiate-induced hyperalgesia. Pain 2016; 157:147-158. [PMID: 26335908 DOI: 10.1097/j.pain.0000000000000342] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The contribution of the peripheral nervous system to opiate-induced hyperalgesia (OIH) is not well understood. In this study, we determined the changes in excitability of primary sensory neurons after sustained morphine administration for 7 days. Changes in the expression of glutamate receptors and glutamate transporters after morphine administration were ascertained in dorsal root ganglions. Patch clamp recordings from intact dorsal root ganglions (ex vivo preparation) of morphine-treated rats showed increased excitability of small diameter (≤30 μm) neurons with respect to rheobase and membrane threshold, whereas the excitability of large diameter (>30 μm) neurons remained unchanged. Small diameter neurons also displayed increased responses to glutamate, which were mediated mainly by GluN2B containing N-methyl-D-aspartate (NMDA) receptors, and to a lesser degree by the neuronal excitatory amino acid transporter 3/excitatory amino acid carrier 1. Coadministration in vivo of the GluN2B selective antagonist Ro 25-6981 with morphine for 7 days prevented the appearance of OIH and increased morphine-induced analgesia. Administration of morphine for 7 days led to an increased expression of GluN2B and excitatory amino acid transporter 3/excitatory amino acid carrier 1, but not of the α-amino-3-hydroxy-5-methyl-4-isoxazole propionate, kainate, or group I metabotropic glutamate receptors, or of the vesicular glutamate transporter 2. These results suggest that peripheral glutamatergic neurotransmission contributes to OIH and that GluN2B subunit of NMDA receptors in the periphery may be a target for therapy.
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Ifenprodil Attenuates Methamphetamine-Induced Behavioral Sensitization and Activation of Ras-ERK-∆FosB Pathway in the Caudate Putamen. Neurochem Res 2016; 41:2636-2644. [PMID: 27339870 DOI: 10.1007/s11064-016-1976-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2016] [Revised: 06/05/2016] [Accepted: 06/08/2016] [Indexed: 12/22/2022]
Abstract
Addiction is a debilitating, chronic psychiatric disorder that is difficult to cure completely owing to the high rate of relapse. Behavioral sensitization is considered to may underlie behavioral changes, such as relapse, caused by chronic abuse of psychomotor stimulants. Thus, its animal models have been widely used to explore the etiology of addiction. Recently, increasing evidence has demonstrated that N-methyl-D-aspartate receptors (NMDARs) play an important role in addiction to psychomotor stimulants. However, the role of GluN2B-containing receptors and their downstream signaling pathway(s) in behavioral sensitization induced by methamphetamine (METH) have not been investigated yet. In this study, we used different doses of ifenprodil (2.5, 5, 10 mg/kg), a selective antagonist of the GluN2B subunit, to investigate the role of GluN2B-containing NMDARs in METH-induced behavioral sensitization. We then examined changes in the levels of Ras, phosphorylated extracellular signal-regulated kinase (pERK)/ERK, and ∆FosB in the caudate putamen (CPu) by western blot. We found that 2.5 or 10 mg/kg ifenprodil significantly attenuated METH-induced behavioral sensitization, whereas the mice treated with a moderate dose of ifenprodil (5 mg/kg) displayed no significant changes. Further results of western blot experiments showed that repeated administration of METH caused the increases in the levels of Ras, pERK/ERK and ∆FosB in the CPu, and these changes were inhibited by only the 2.5 mg/kg dose of ifenprodil. In conclusion, these results demonstrated that 2.5 mg/kg ifenprodil could attenuate METH-induced behavioral sensitization. Moreover, GluN2B-containing NMDARs and their downstream Ras-ERK-∆FosB signaling pathway in the CPu might be involved in METH-induced behavioral sensitization.
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Abstract
This paper is the thirty-seventh consecutive installment of the annual review of research concerning the endogenous opioid system. It summarizes papers published during 2014 that studied the behavioral effects of molecular, pharmacological and genetic manipulation of opioid peptides, opioid receptors, opioid agonists and opioid antagonists. The particular topics that continue to be covered include the molecular-biochemical effects and neurochemical localization studies of endogenous opioids and their receptors related to behavior (endogenous opioids and receptors), and the roles of these opioid peptides and receptors in pain and analgesia (pain and analgesia); stress and social status (human studies); tolerance and dependence (opioid mediation of other analgesic responses); learning and memory (stress and social status); eating and drinking (stress-induced analgesia); alcohol and drugs of abuse (emotional responses in opioid-mediated behaviors); sexual activity and hormones, pregnancy, development and endocrinology (opioid involvement in stress response regulation); mental illness and mood (tolerance and dependence); seizures and neurologic disorders (learning and memory); electrical-related activity and neurophysiology (opiates and conditioned place preferences (CPP)); general activity and locomotion (eating and drinking); gastrointestinal, renal and hepatic functions (alcohol and drugs of abuse); cardiovascular responses (opiates and ethanol); respiration and thermoregulation (opiates and THC); and immunological responses (opiates and stimulants). This paper is the thirty-seventh consecutive installment of the annual review of research concerning the endogenous opioid system. It summarizes papers published during 2014 that studied the behavioral effects of molecular, pharmacological and genetic manipulation of opioid peptides, opioid receptors, opioid agonists and opioid antagonists. The particular topics that continue to be covered include the molecular-biochemical effects and neurochemical localization studies of endogenous opioids and their receptors related to behavior (endogenous opioids and receptors), and the roles of these opioid peptides and receptors in pain and analgesia (pain and analgesia); stress and social status (human studies); tolerance and dependence (opioid mediation of other analgesic responses); learning and memory (stress and social status); eating and drinking (stress-induced analgesia); alcohol and drugs of abuse (emotional responses in opioid-mediated behaviors); sexual activity and hormones, pregnancy, development and endocrinology (opioid involvement in stress response regulation); mental illness and mood (tolerance and dependence); seizures and neurologic disorders (learning and memory); electrical-related activity and neurophysiology (opiates and conditioned place preferences (CPP)); general activity and locomotion (eating and drinking); gastrointestinal, renal and hepatic functions (alcohol and drugs of abuse); cardiovascular responses (opiates and ethanol); respiration and thermoregulation (opiates and THC); and immunological responses (opiates and stimulants).
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Affiliation(s)
- Richard J Bodnar
- Department of Psychology and Neuropsychology Doctoral Sub-Program, Queens College, City University of New York, Flushing, NY 11367, United States.
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