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Busceti CL, Bucci D, De Lucia M, Ferrucci M, Scioli M, Carrizzo A, Nicoletti F, Vecchione C, Fornai F. Different Doses of Methamphetamine Are Needed to Produce Locomotor or Blood Pressure Sensitization in Mice. Life (Basel) 2024; 14:723. [PMID: 38929706 PMCID: PMC11205198 DOI: 10.3390/life14060723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 05/27/2024] [Accepted: 05/29/2024] [Indexed: 06/28/2024] Open
Abstract
Methamphetamine (METH) exposure increases locomotor sensitization. However, no study has explored the occurrence of cardiovascular sensitization. The present study, carried out in mice, analyzed the following: (i) METH sensitization extending to systolic blood pressure (SBP); (ii) a potential correlation between ambulatory and cardiovascular sensitization; and (iii) morphological alterations within meso-striatal, meso-limbic and pontine catecholamine systems including c-fos expression. Locomotor activity, SBP and occurrence of morphological alterations of catecholaminergic neurons were assessed in C57Bl/6J mice following daily i.p. injections of either saline or METH (1, 2 or 5 mg/kg) for 5 consecutive days and following 6 days of withdrawal. Reiterated exposure to the lower doses of METH (1 mg/kg and 2 mg/kg) produced in mice locomotor sensitization without altering SBP. In contrast, repeated treatment with the highest dose of METH (5 mg/kg) produced sensitization of SBP in the absence of locomotor sensitization. No morphological alterations but increases in c-fos expression within neurons of locus coeruleus and nucleus accumbens were detected. The present data suggest that METH produces plastic changes that extend beyond the motor systems to alter autonomic regulation. This cardiovascular sensitization occurs independently of locomotor sensitization. The persistency of increased blood pressure may underlie specific mechanisms operating in producing hypertension.
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Affiliation(s)
- Carla Letizia Busceti
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, 86077 Pozzilli, Italy; (D.B.); (M.D.L.); (M.S.); (A.C.); (F.N.); (C.V.)
| | - Domenico Bucci
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, 86077 Pozzilli, Italy; (D.B.); (M.D.L.); (M.S.); (A.C.); (F.N.); (C.V.)
| | - Massimiliano De Lucia
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, 86077 Pozzilli, Italy; (D.B.); (M.D.L.); (M.S.); (A.C.); (F.N.); (C.V.)
| | - Michela Ferrucci
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, 56126 Pisa, Italy;
| | - Mariarosaria Scioli
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, 86077 Pozzilli, Italy; (D.B.); (M.D.L.); (M.S.); (A.C.); (F.N.); (C.V.)
| | - Albino Carrizzo
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, 86077 Pozzilli, Italy; (D.B.); (M.D.L.); (M.S.); (A.C.); (F.N.); (C.V.)
- Department of Medicine, Surgery and Dentistry “Scuola Medica Salernitana”, University of Salerno, 84081 Baronissi, Italy
| | - Ferdinando Nicoletti
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, 86077 Pozzilli, Italy; (D.B.); (M.D.L.); (M.S.); (A.C.); (F.N.); (C.V.)
- Department of Physiology and Pharmacology, University Sapienza, 00185 Roma, Italy
| | - Carmine Vecchione
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, 86077 Pozzilli, Italy; (D.B.); (M.D.L.); (M.S.); (A.C.); (F.N.); (C.V.)
- Department of Medicine, Surgery and Dentistry “Scuola Medica Salernitana”, University of Salerno, 84081 Baronissi, Italy
| | - Francesco Fornai
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, 86077 Pozzilli, Italy; (D.B.); (M.D.L.); (M.S.); (A.C.); (F.N.); (C.V.)
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, 56126 Pisa, Italy;
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Sun M, Zheng Q, Wang L, Wang R, Cui H, Zhang X, Xu C, Yin F, Yan H, Qiao X. Alcohol Consumption During Adolescence Alters the Cognitive Function in Adult Male Mice by Persistently Increasing Levels of DUSP6. Mol Neurobiol 2024; 61:3161-3178. [PMID: 37978157 DOI: 10.1007/s12035-023-03794-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 11/01/2023] [Indexed: 11/19/2023]
Abstract
Binge alcohol drinking during adolescence has long-term effects on the adult brain that alter brain structure and behaviors, but the underlying mechanisms remain poorly understood. Extracellular signal-regulated kinase (ERK) is involved in the synaptic plasticity and pathological brain injury by regulating the expression of cyclic adenosine monophosphate response element binding protein (CREB) and brain-derived neurotrophic factor (BDNF). Dual-specificity phosphatase 6 (DUSP6) is a critical effector that dephosphorylates ERK1/2 to control the basal tone, amplitude, and duration of ERK signaling. To explore DUSP6 as a regulator of ERK signaling in the mPFC and its impact on long-term effects of alcohol, a male mouse model of adolescent intermittent alcohol (AIA) exposure was established. Behavioral experiments showed that AIA did not affect anxiety-like behavior or sociability in adulthood, but significantly damaged new object recognition and social recognition memory. Molecular studies further found that AIA reduced the levels of pERK-pCREB-BDNF-PSD95/NR2A involved in synaptic plasticity, while DUSP6 was significantly increased. Intra-mPFC infusion of AAV-DUSP6-shRNA restored the dendritic spine density and postsynaptic density thickness by reversing the level of p-ERK and its downstream molecular expression, and ultimately repaired adult cognitive impairment caused by chronic alcohol exposure during adolescence. These findings indicate that AIA exposure inhibits ERK-CREB-BDNF-PSD95/NR2A by increasing DUSP6 in the mPFC in adulthood that may be associated with long-lasting cognitive deficits.
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Affiliation(s)
- Mizhu Sun
- Department of Forensic Medicine, School of Basic Medical Sciences, Zhengzhou University, No.100, Science Avenue, Zhengzhou, 450001, Henan, China
| | - Qingmeng Zheng
- Department of Forensic Medicine, School of Basic Medical Sciences, Zhengzhou University, No.100, Science Avenue, Zhengzhou, 450001, Henan, China
| | - Lulu Wang
- Department of Forensic Medicine, School of Basic Medical Sciences, Zhengzhou University, No.100, Science Avenue, Zhengzhou, 450001, Henan, China
| | - Runzhi Wang
- Department of Forensic Medicine, School of Basic Medical Sciences, Zhengzhou University, No.100, Science Avenue, Zhengzhou, 450001, Henan, China
| | - Hengzhen Cui
- Basic Medicine, School of Medicine, Zhengzhou University, No.100, Science Avenue, Zhengzhou, 450001, Henan, China
| | - Xinlei Zhang
- Department of Forensic Medicine, School of Basic Medical Sciences, Zhengzhou University, No.100, Science Avenue, Zhengzhou, 450001, Henan, China
| | - Chen Xu
- Department of Forensic Medicine, School of Basic Medical Sciences, Zhengzhou University, No.100, Science Avenue, Zhengzhou, 450001, Henan, China
| | - Fangyuan Yin
- College of Forensic Science, School of Medicine, Xi'an Jiaotong University, No. 76, Yanta West Road, Xi'an, 710061, Shaanxi, China
| | - Hongtao Yan
- Department of Forensic Medicine, School of Basic Medical Sciences, Zhengzhou University, No.100, Science Avenue, Zhengzhou, 450001, Henan, China
| | - Xiaomeng Qiao
- Department of Forensic Medicine, School of Basic Medical Sciences, Zhengzhou University, No.100, Science Avenue, Zhengzhou, 450001, Henan, China.
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Yang B, Tan X, Chen Y, Lin J, Liang J, Yue X, Qiao D, Wang H, Du S. The neuroprotective effects of caffeic acid phenethyl ester against methamphetamine-induced neurotoxicity. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 279:116497. [PMID: 38805827 DOI: 10.1016/j.ecoenv.2024.116497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Revised: 05/05/2024] [Accepted: 05/21/2024] [Indexed: 05/30/2024]
Abstract
Methamphetamine (METH) is a highly abused substance on a global scale and has the capacity to elicit toxicity within the central nervous system. The neurotoxicity induced by METH encompasses neuronal degeneration and cellular demise within the substantia nigra-striatum and hippocampus. Caffeic acid phenethyl ester (CAPE), a constituent of propolis, is a diminutive compound that demonstrates antioxidative and anti-inflammatory characteristics. Numerous investigations have demonstrated the safeguarding effects of CAPE in various neurodegenerative ailments. Our hypothesis posits that CAPE may exert a neuroprotective influence on METH-induced neurotoxicity via specific mechanisms. In order to validate the hypothesis, a series of experimental techniques including behavioral tests, immunofluorescence labeling, RNA sequencing, and western blotting were employed to investigate the neurotoxic effects of METH and the potential protective effects of CAPE. The results of our study demonstrate that CAPE effectively ameliorates cognitive memory deficits and anxiety symptoms induced by METH in mice. Furthermore, CAPE has been observed to attenuate the upregulation of neurotoxicity-associated proteins that are induced by METH exposure and also reduced the loss of hippocampal neurons in mice. Moreover, transcriptomics analysis was conducted to determine alterations in gene expression within the hippocampus of mice. Subsequently, bioinformatics analysis was employed to investigate the divergent outcomes and identify potential key genes. Interferon-stimulated gene 15 (ISG15) was successfully identified and confirmed through RT-qPCR, western blotting, and immunofluorescence techniques. Our research findings unequivocally demonstrated the neuroprotective effect of CAPE against METH-induced neurotoxicity, with ISG15 may have an important role in the underlying protective mechanism. These results offer novel perspectives on the treatment of METH-induced neurotoxicity.
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Affiliation(s)
- Bin Yang
- Guangzhou Key Laboratory of Forensic Multi-Omics for Precision Identification, Department of Forensic Pathology, School of Forensic Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Xiaohui Tan
- Guangzhou Key Laboratory of Forensic Multi-Omics for Precision Identification, Department of Forensic Pathology, School of Forensic Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Yuzhen Chen
- School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Jing Lin
- School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Jingjie Liang
- School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Xia Yue
- Guangzhou Key Laboratory of Forensic Multi-Omics for Precision Identification, Department of Forensic Pathology, School of Forensic Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Dongfang Qiao
- Guangzhou Key Laboratory of Forensic Multi-Omics for Precision Identification, Department of Forensic Pathology, School of Forensic Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Huijun Wang
- Guangzhou Key Laboratory of Forensic Multi-Omics for Precision Identification, Department of Forensic Pathology, School of Forensic Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China.
| | - Sihao Du
- Guangzhou Key Laboratory of Forensic Multi-Omics for Precision Identification, Department of Forensic Pathology, School of Forensic Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China.
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Rezayof A, Ghasemzadeh Z, Sahafi OH. Addictive drugs modify neurogenesis, synaptogenesis and synaptic plasticity to impair memory formation through neurotransmitter imbalances and signaling dysfunction. Neurochem Int 2023; 169:105572. [PMID: 37423274 DOI: 10.1016/j.neuint.2023.105572] [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: 04/19/2023] [Revised: 07/01/2023] [Accepted: 07/05/2023] [Indexed: 07/11/2023]
Abstract
Drug abuse changes neurophysiological functions at multiple cellular and molecular levels in the addicted brain. Well-supported scientific evidence suggests that drugs negatively affect memory formation, decision-making and inhibition, and emotional and cognitive behaviors. The mesocorticolimbic brain regions are involved in reward-related learning and habitual drug-seeking/taking behaviors to develop physiological and psychological dependence on the drugs. This review highlights the importance of specific drug-induced chemical imbalances resulting in memory impairment through various neurotransmitter receptor-mediated signaling pathways. The mesocorticolimbic modifications in the expression levels of brain-derived neurotrophic factor (BDNF) and the cAMP-response element binding protein (CREB) impair reward-related memory formation following drug abuse. The contributions of protein kinases and microRNAs (miRNAs), along with the transcriptional and epigenetic regulation have also been considered in memory impairment underlying drug addiction. Overall, we integrate the research on various types of drug-induced memory impairment in distinguished brain regions and provide a comprehensive review with clinical implications addressing the upcoming studies.
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Affiliation(s)
- Ameneh Rezayof
- Department of Animal Biology, School of Biology, College of Science, University of Tehran, Tehran, Iran.
| | - Zahra Ghasemzadeh
- Department of Animal Biology, School of Biology, College of Science, University of Tehran, Tehran, Iran
| | - Oveis Hosseinzadeh Sahafi
- Department of Neurophysiology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-0033, Japan
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Seyedhosseini Tamijani SM, Beirami E, Ghazvini H, Rafaiee R, Nazeri M, Razavinasab M. A Review on the Disruption of Novel Object Recognition Induced by Methamphetamine. ADDICTION & HEALTH 2023; 15:289-297. [PMID: 38322487 PMCID: PMC10843358 DOI: 10.34172/ahj.2023.1307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Accepted: 11/07/2021] [Indexed: 02/08/2024]
Abstract
Background Methamphetamine (MA), is a widely abused synthetic psychostimulant that leads to irreversible brain damage manifested as cognitive impairments in humans and animals. The novel object recognition (NOR) task is a commonly used behavioral assay for the investigation of non-spatial memory in rodents. This test is based on the natural tendency of rodents to spend more time exploring a novel object than a familiar one. NOR test has been used in many studies investigating cognitive deficits caused by MA in rodents. The objective of the present study was to review neurobiological mechanisms that might be responsible for MA-induced NOR alterations. Methods A PubMed search showed 83 publications using novel object recognition and methamphetamine as keywords in the past 10 years. Findings The present study revealed different MA regimens cause recognition memory impairment in rodents. In addition, it was found that the main neurobiological mechanism involved in MA-induced recognition deficits is the dysfunction of monoaminergic systems. Conclusion NOR is a useful test to assess the cognitive functions following MA administration and evaluate the efficacy of new therapeutic agents in MA-addicted individuals.
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Affiliation(s)
| | - Elmira Beirami
- Department of Animal Biology, Faculty of Biological Sciences, Kharazmi University, Tehran, Iran
| | - Hamed Ghazvini
- Department of Neuroscience, School of Advanced Technologies in Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Raheleh Rafaiee
- Department of Neuroscience, School of Advanced Technologies in Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Masoud Nazeri
- Neuroscience Research Center, Neuropharmacology Institute, Kerman University of Medical Sciences, Kerman, Iran
| | - Moazamehosadat Razavinasab
- Neuroscience Research Center, Neuropharmacology Institute, Kerman University of Medical Sciences, Kerman, Iran
- Department of Physiology, Kerman University of Medical Sciences, Kerman, Iran
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Rocchetti J, Fasano C, Dal-Bo G, Guma E, El Mestikawy S, Wong TP, Fakhfouri G, Giros B. Persistent extrasynaptic hyperdopaminergia in the mouse hippocampus induces plasticity and recognition memory deficits reversed by the atypical antipsychotic sulpiride. PLoS One 2023; 18:e0289770. [PMID: 37624765 PMCID: PMC10456148 DOI: 10.1371/journal.pone.0289770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 07/25/2023] [Indexed: 08/27/2023] Open
Abstract
Evidence suggests that subcortical hyperdopaminergia alters cognitive function in schizophrenia and antipsychotic drugs (APD) fail at rescuing cognitive deficits in patients. In a previous study, we showed that blocking D2 dopamine receptors (D2R), a core action of APD, led to profound reshaping of mesohippocampal fibers, deficits in synaptic transmission and impairments in learning and memory in the mouse hippocampus (HP). However, it is currently unknown how excessive dopamine affects HP-related cognitive functions, and how APD would impact HP functions in such a state. After verifying the presence of DAT-positive neuronal projections in the ventral (temporal), but not in the dorsal (septal), part of the HP, GBR12935, a blocker of dopamine transporter (DAT), was infused in the CA1 of adult C57Bl/6 mice to produce local hyperdopaminergia. Chronic GBR12935 infusion in temporal CA1 induced a mild learning impairment in the Morris Water Maze and abolished long-term recognition memory in novel-object (NORT) and object-place recognition tasks (OPRT). Deficits were accompanied by a significant decrease in DAT+ mesohippocampal fibers. Intrahippocampal or systemic treatment with sulpiride during GBR infusions improved the NORT deficit but not that of OPRT. In vitro application of GBR on hippocampal slices abolished long-term depression (LTD) of fEPSP in temporal CA1. LTD was rescued by co-application with sulpiride. In conclusion, chronic DAT blockade in temporal CA1 profoundly altered mesohippocampal modulation of hippocampal functions. Contrary to previous observations in normodopaminergic mice, antagonising D2Rs was beneficial for cognitive functions in the context of hippocampal hyperdopaminergia.
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Affiliation(s)
- Jill Rocchetti
- Department of Psychiatry, Douglas Hospital, Mc Gill University, Montreal, Québec, Canada
| | - Caroline Fasano
- Department of Psychiatry, Douglas Hospital, Mc Gill University, Montreal, Québec, Canada
| | - Gregory Dal-Bo
- Department of Psychiatry, Douglas Hospital, Mc Gill University, Montreal, Québec, Canada
| | - Elisa Guma
- Department of Psychiatry, Douglas Hospital, Mc Gill University, Montreal, Québec, Canada
| | - Salah El Mestikawy
- Department of Psychiatry, Douglas Hospital, Mc Gill University, Montreal, Québec, Canada
- Sorbonne Université, INSERM, CNRS, NPS – IBPS, Paris, France
| | - Tak-Pan Wong
- Department of Psychiatry, Douglas Hospital, Mc Gill University, Montreal, Québec, Canada
| | - Gohar Fakhfouri
- Department of Psychiatry, Douglas Hospital, Mc Gill University, Montreal, Québec, Canada
| | - Bruno Giros
- Department of Psychiatry, Douglas Hospital, Mc Gill University, Montreal, Québec, Canada
- Université Paris-Cité, INCC UMR 8002, CNRS, Paris, France
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Wu Y, Dong Z, Jiang X, Qu L, Zhou W, Sun X, Hou J, Xu H, Cheng M. Gut Microbiota Taxon-Dependent Transformation of Microglial M1/M2 Phenotypes Underlying Mechanisms of Spatial Learning and Memory Impairment after Chronic Methamphetamine Exposure. Microbiol Spectr 2023; 11:e0030223. [PMID: 37212669 PMCID: PMC10269813 DOI: 10.1128/spectrum.00302-23] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 05/06/2023] [Indexed: 05/23/2023] Open
Abstract
Methamphetamine (METH) exposure may lead to cognitive impairment. Currently, evidence suggests that METH exposure alters the configuration of the gut microbiota. However, the role and mechanism of the gut microbiota in cognitive impairment after METH exposure are still largely unknown. Here, we investigated the impact of the gut microbiota on the phenotype status of microglia (microglial phenotypes M1 and microglial M2) and their secreting factors, the subsequent hippocampal neural processes, and the resulting influence on spatial learning and memory of chronically METH-exposed mice. We determined that gut microbiota perturbation triggered the transformation of microglial M2 to M1 and a subsequent change of pro-brain-derived neurotrophic factor (proBDNF)-p75NTR-mature BDNF (mBDNF)-TrkB signaling, which caused reduction of hippocampal neurogenesis and synaptic plasticity-related proteins (SYN, PSD95, and MAP2) and, consequently, deteriorated spatial learning and memory. More specifically, we found that Clostridia, Bacteroides, Lactobacillus, and Muribaculaceae might dramatically affect the homeostasis of microglial M1/M2 phenotypes and eventually contribute to spatial learning and memory decline after chronic METH exposure. Finally, we found that fecal microbial transplantation could protect against spatial learning and memory decline by restoring the microglial M1/M2 phenotype status and the subsequent proBDNF-p75NTR/mBDNF-TrkB signaling in the hippocampi of chronically METH-exposed mice. IMPORTANCE Our study indicated that the gut microbiota contributes to spatial learning and memory dysfunction after chronic METH exposure, in which microglial phenotype status plays an intermediary role. The elucidated "specific microbiota taxa-microglial M1/M2 phenotypes-spatial learning and memory impairment" pathway would provide a novel mechanism and elucidate potential gut microbiota taxon targets for the no-drug treatment of cognitive deterioration after chronic METH exposure.
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Affiliation(s)
- Yulong Wu
- Department of Pathogenic Biology, Binzhou Medical University, Yantai, China
| | - Zhouyan Dong
- Department of Pathogenic Biology, Binzhou Medical University, Yantai, China
| | - Xinze Jiang
- Department of Pathogenic Biology, Binzhou Medical University, Yantai, China
| | - Lei Qu
- Department of Pathogenic Biology, Binzhou Medical University, Yantai, China
| | - Wei Zhou
- Department of Health and Disease Management, Binzhou Medical University, Yantai, China
| | - Xu Sun
- Department of Health and Disease Management, Binzhou Medical University, Yantai, China
| | - Jiangshan Hou
- Department of Pathogenic Biology, Binzhou Medical University, Yantai, China
| | - Hongmei Xu
- Department of Health and Disease Management, Binzhou Medical University, Yantai, China
| | - Mei Cheng
- Department of Health and Disease Management, Binzhou Medical University, Yantai, China
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Ferraz da Silva I, Merlo E, Costa CS, Graceli JB, Rodrigues LCM. Tributyltin Exposure Is Associated With Recognition Memory Impairments, Alterations in Estrogen Receptor α Protein Levels, and Oxidative Stress in the Brain of Female Mice. FRONTIERS IN TOXICOLOGY 2022; 3:654077. [PMID: 35295135 PMCID: PMC8915859 DOI: 10.3389/ftox.2021.654077] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 03/05/2021] [Indexed: 01/18/2023] Open
Abstract
Tributyltin (TBT) is a persistent organometallic pollutant widely used in several agricultural and industrial processes. TBT exposure is associated with various metabolic, reproductive, immune, and cardiovascular abnormalities. However, few studies have evaluated the effects of TBT on behavior. In the present study, we aimed to investigate whether TBT exposure results in oxidative, neuroendocrine, and behavioral alterations. TBT was administered to adult female mice (250, 500, or 750 ng/kg/day or veh for 14 days), and their recognition memory was assessed. We have also evaluated estrogen receptor (ER)α protein expression and oxidative stress (OS) in brain areas related to memory, as well as the correlation between them. A reduction in short- and long-term recognition memory (STM and LTM) performance, as well as in total exploration time was observed in TBT mice. Reduced ERα protein expression was observed in the prefrontal cortex (PFC) and hippocampus of TBT mice, while an increase in TBARS concentration was observed in the PFC of treated animals. Collectively, these data suggest that TBT exposure impairs recognition memory in female mice as a result of, at least in part, its toxicological effects on ERα expression and OS in specific brain areas related to memory.
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Affiliation(s)
- Igor Ferraz da Silva
- Laboratory of Neurotoxicology and Psychopharmacology, Department of Physiological Sciences, Federal University of Espírito Santo, Vitoria, Brazil
| | - Eduardo Merlo
- Laboratory of Endocrinology and Cellular Toxicology, Department of Morphology, Federal University of Espírito Santo, Vitoria, Brazil
| | - Charles S Costa
- Laboratory of Endocrinology and Cellular Toxicology, Department of Morphology, Federal University of Espírito Santo, Vitoria, Brazil
| | - Jones B Graceli
- Laboratory of Endocrinology and Cellular Toxicology, Department of Morphology, Federal University of Espírito Santo, Vitoria, Brazil
| | - Lívia C M Rodrigues
- Laboratory of Neurotoxicology and Psychopharmacology, Department of Physiological Sciences, Federal University of Espírito Santo, Vitoria, Brazil
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9
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Yin F, Zhang J, Lu Y, Zhang Y, Liu J, Deji C, Qiao X, Gao K, Xu M, Lai J, Wang Y. Modafinil rescues repeated morphine-induced synaptic and behavioural impairments via activation of D1R-ERK-CREB pathway in medial prefrontal cortex. Addict Biol 2022; 27:e13103. [PMID: 34647651 DOI: 10.1111/adb.13103] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 06/19/2021] [Accepted: 09/13/2021] [Indexed: 11/30/2022]
Abstract
Long-term opioid abuse causes a variety of long-lasting cognitive impairments such as attention, impulsivity and working memory. These cognitive impairments undermine behavioural treatment for drug abuse and lead to poor treatment retention and outcomes. Modafinil is a wake-promoting drug that shows potential in improving attention and memory in humans and animals. However, modafinil's effect on opioid-induced cognitive impairments remains unclear, and the underlying mechanism is poorly understood. This study showed that repeated morphine administration significantly impairs attention, increases impulsivity and reduces motivation to natural rewards in mice. Systemic modafinil treatment at low dose efficiently ameliorates morphine-induced attention dysfunction and improves motivation and working memory in mice. High dose of modafinil has adverse effects on impulsive action and attention. Local infusion of D1R antagonist SCH-23390 reverses the morphine-induced synaptic abnormalities and activation of the D1R-ERK-CREB pathway in medial prefrontal cortex (mPFC). This study demonstrated a protective effect of modafinil in mPFC neurons and offered a therapeutic potential for cognitive deficits in opioid abuse.
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Affiliation(s)
- Fangyuan Yin
- College of Forensic Science, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Jinyu Zhang
- College of Forensic Science, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Ye Lu
- College of Forensic Science, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yulei Zhang
- College of Forensic Science, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Jincen Liu
- College of Forensic Science, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Cuola Deji
- College of Forensic Science, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Xiaomeng Qiao
- Department of Forensic Medicine, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan, China
| | - Keqiang Gao
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Min Xu
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Jianghua Lai
- College of Forensic Science, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yunpeng Wang
- College of Forensic Science, Xi'an Jiaotong University, Xi'an, Shaanxi, China
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Lwin T, Yang JL, Ngampramuan S, Viwatpinyo K, Chancharoen P, Veschsanit N, Pinyomahakul J, Govitrapong P, Mukda S. Melatonin ameliorates methamphetamine-induced cognitive impairments by inhibiting neuroinflammation via suppression of the TLR4/MyD88/NFκB signaling pathway in the mouse hippocampus. Prog Neuropsychopharmacol Biol Psychiatry 2021; 111:110109. [PMID: 32941923 DOI: 10.1016/j.pnpbp.2020.110109] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 09/01/2020] [Accepted: 09/11/2020] [Indexed: 02/08/2023]
Abstract
Methamphetamine (METH) is a highly addictive psychostimulant that causes significant health issues due to high prevalence of its illegal use. Chronic use of METH is associated with cognitive impairments in both human and animal studies, but the underlying mechanism remains unclear. METH-induced neuroinflammation is, potentially, one of the factors that causes cognitive impairments. Therefore, the present study aimed to assess whether melatonin could provide protection against inflammation, in a manner comparable to the anti-inflammatory agent, minocycline, with consequent improvements of METH-induced cognitive impairments and associated abnormalities in the mouse hippocampus. Results from the Morris water maze (MWM) test and the novel object recognition test (NORT) showed that melatonin given after METH injections could ameliorate both METH-induced spatial and recognition memory impairments. These memory impairments are associated with changes in the neuroinflammatory profiles, including IL-6, IL-1β, and TNF-α, both in the blood serum and hippocampus of adult mice. METH-treated mice also exhibited reactive astrocytes and activated microglia in the hippocampus. METH-induced activation of glial cells is associated with the activation of the TLR4/MyD88/NFκB signaling pathway. Moreover, melatonin administration led to recovery of these METH-induced markers to control levels. Thus, we conclude that melatonin could potentially be used as a cognitive enhancer and anti-inflammatory agent in the treatment of METH use disorder in humans.
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Affiliation(s)
- Thit Lwin
- Research Center for Neuroscience, Institute of Molecular Biosciences, Mahidol University, Salaya, Nakhon Pathom 73170, Thailand; Department of Anatomy, Defence Services Medical Academy, Mingalardon, Yangon 11021, Myanmar
| | - Jenq-Lin Yang
- Institute for Translational Research in Biomedicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 83301, Taiwan
| | - Sukonthar Ngampramuan
- Research Center for Neuroscience, Institute of Molecular Biosciences, Mahidol University, Salaya, Nakhon Pathom 73170, Thailand
| | - Kittikun Viwatpinyo
- Research Center for Neuroscience, Institute of Molecular Biosciences, Mahidol University, Salaya, Nakhon Pathom 73170, Thailand
| | - Pongrung Chancharoen
- Research Center for Neuroscience, Institute of Molecular Biosciences, Mahidol University, Salaya, Nakhon Pathom 73170, Thailand; Faculty of Allied Health Sciences, Burapha University, Seansuk, Chonburi 20131, Thailand
| | - Nisarath Veschsanit
- Research Center for Neuroscience, Institute of Molecular Biosciences, Mahidol University, Salaya, Nakhon Pathom 73170, Thailand
| | - Jitrapa Pinyomahakul
- Research Center for Neuroscience, Institute of Molecular Biosciences, Mahidol University, Salaya, Nakhon Pathom 73170, Thailand
| | - Piyarat Govitrapong
- Research Center for Neuroscience, Institute of Molecular Biosciences, Mahidol University, Salaya, Nakhon Pathom 73170, Thailand; Department of Pharmacology, Faculty of Science, Mahidol University, Bangkok 10400, Thailand; Chulabhorn Graduate Institute, Chulabhorn Royal Academy, Bangkok 10210, Thailand
| | - Sujira Mukda
- Research Center for Neuroscience, Institute of Molecular Biosciences, Mahidol University, Salaya, Nakhon Pathom 73170, Thailand.
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11
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Liu Y, Wu M, Sun Z, Li Q, Jiang R, Meng F, Liu J, Wang W, Dai J, Li C, Jiang S. Effect of PPM1F in dorsal raphe 5-HT neurons in regulating methamphetamine-induced conditioned place preference performance in mice. Brain Res Bull 2021; 179:36-48. [PMID: 34871711 DOI: 10.1016/j.brainresbull.2021.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 11/18/2021] [Accepted: 12/01/2021] [Indexed: 11/02/2022]
Abstract
Methamphetamine (METH), a synthetically produced central nervous system stimulant, is one of the most illicit and addictive drugs worldwide. Protein phosphatase Mg2 + /Mn2 + -dependent 1F F (PPM1F) has been reported to exert multiple biological and cellular functions. Nevertheless, the effects of PPM1F and its neuronal substrates on METH addiction remain unclear. Herein, we first established a METH-induced conditioned place preference (CPP) mouse model. We showed that PPM1F is widely distributed in 5-HT neurons of the dorsal raphe nucleus (DRN), and METH treatment decreased the expression of PPM1F in DRN, which was negatively correlated with METH-induced CPP behaviors. Knockout of PPM1F mediated by adeno-associated virus (AAV) in DRN produced enhanced susceptibility to METH-induced CPP, whereas the overexpression of PPM1F in DRN attenuated METH-induced CPP phenotypes. The expression levels of Tryptophan hydroxylase2 (TPH2) and serotonin transporter (SERT) were down-regulated with a concurrent reduction in 5-hydroxytryptamine (5-HT), tryptophan hydroxylase2 (TPH2)-immunoreactivity neurons and 5-HT levels in DRN of PPM1F knockout mice. In the end, decreased expression levels of PPM1F were found in the blood of METH abusers and METH-taking mice. These results suggest that PPM1F in DRN 5-HT neurons regulates METH-induced CPP behaviors by modulating the key components of the 5-HT neurotransmitter system, which might be an important pathological gene and diagnostic marker for METH-induced addiction.
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Affiliation(s)
- Yong Liu
- Department of Physiology, Binzhou Medical University, Shandong, China; Medical research center, Binzhou Medical University Hospital, Binzhou, Shandong, China; Institute for Metabolic & Neuropsychiatric Disorders, Binzhou Medical University Hospital, Binzhou, Shandong, China.
| | - Min Wu
- Medical research center, Binzhou Medical University Hospital, Binzhou, Shandong, China; Institute for Metabolic & Neuropsychiatric Disorders, Binzhou Medical University Hospital, Binzhou, Shandong, China; Neurosurgery, Binzhou Medical University Hospital, Binzhou, Shandong, China.
| | - Zongyue Sun
- Department of Physiology, Binzhou Medical University, Shandong, China.
| | - Qiongyu Li
- Medical research center, Binzhou Medical University Hospital, Binzhou, Shandong, China; Institute for Metabolic & Neuropsychiatric Disorders, Binzhou Medical University Hospital, Binzhou, Shandong, China; Department of Gastroenterology, Binzhou Medical University Hospital, Binzhou, Shandong, China.
| | - Rong Jiang
- Department of Physiology, Binzhou Medical University, Shandong, China.
| | - Fantao Meng
- Medical research center, Binzhou Medical University Hospital, Binzhou, Shandong, China; Institute for Metabolic & Neuropsychiatric Disorders, Binzhou Medical University Hospital, Binzhou, Shandong, China.
| | - Jing Liu
- Medical research center, Binzhou Medical University Hospital, Binzhou, Shandong, China; Institute for Metabolic & Neuropsychiatric Disorders, Binzhou Medical University Hospital, Binzhou, Shandong, China.
| | - Wentao Wang
- Medical research center, Binzhou Medical University Hospital, Binzhou, Shandong, China; Institute for Metabolic & Neuropsychiatric Disorders, Binzhou Medical University Hospital, Binzhou, Shandong, China.
| | - Juanjuan Dai
- Medical research center, Binzhou Medical University Hospital, Binzhou, Shandong, China
| | - Chen Li
- Medical research center, Binzhou Medical University Hospital, Binzhou, Shandong, China; Institute for Metabolic & Neuropsychiatric Disorders, Binzhou Medical University Hospital, Binzhou, Shandong, China.
| | - Shujun Jiang
- Department of Physiology, Binzhou Medical University, Shandong, China.
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12
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Jayanthi S, Daiwile AP, Cadet JL. Neurotoxicity of methamphetamine: Main effects and mechanisms. Exp Neurol 2021; 344:113795. [PMID: 34186102 DOI: 10.1016/j.expneurol.2021.113795] [Citation(s) in RCA: 77] [Impact Index Per Article: 25.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Revised: 06/03/2021] [Accepted: 06/24/2021] [Indexed: 12/12/2022]
Abstract
Methamphetamine (METH) is an illicit psychostimulant that is abused throughout the world. METH addiction is also a major public health concern and the abuse of large doses of the drug is often associated with serious neuropsychiatric consequences that may include agitation, anxiety, hallucinations, paranoia, and psychosis. Some human methamphetamine users can also suffer from attention, memory, and executive deficits. METH-associated neurological and psychiatric complications might be related, in part, to METH-induced neurotoxic effects. Those include altered dopaminergic and serotonergic functions, neuronal apoptosis, astrocytosis, and microgliosis. Here we have endeavored to discuss some of the main effects of the drug and have presented the evidence supporting certain of the molecular and cellular bases of METH neurotoxicity. The accumulated evidence suggests the involvement of transcription factors, activation of dealth pathways that emanate from mitochondria and endoplasmic reticulum (ER), and a role for neuroinflammatory mechanisms. Understanding the molecular processes involved in METH induced neurotoxicity should help in developing better therapeutic approaches that might also serve to attenuate or block the biological consequences of use of large doses of the drug by some humans who meet criteria for METH use disorder.
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Affiliation(s)
- Subramaniam Jayanthi
- Molecular Neuropsychiatry Research Branch, NIDA Intramural Research Program, Baltimore, MD 21224, United States of America
| | - Atul P Daiwile
- Molecular Neuropsychiatry Research Branch, NIDA Intramural Research Program, Baltimore, MD 21224, United States of America
| | - Jean Lud Cadet
- Molecular Neuropsychiatry Research Branch, NIDA Intramural Research Program, Baltimore, MD 21224, United States of America.
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13
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Hersey M, Bacon AK, Bailey LG, Coggiano MA, Newman AH, Leggio L, Tanda G. Psychostimulant Use Disorder, an Unmet Therapeutic Goal: Can Modafinil Narrow the Gap? Front Neurosci 2021; 15:656475. [PMID: 34121988 PMCID: PMC8187604 DOI: 10.3389/fnins.2021.656475] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 04/20/2021] [Indexed: 12/11/2022] Open
Abstract
The number of individuals affected by psychostimulant use disorder (PSUD) has increased rapidly over the last few decades resulting in economic, emotional, and physical burdens on our society. Further compounding this issue is the current lack of clinically approved medications to treat this disorder. The dopamine transporter (DAT) is a common target of psychostimulant actions related to their use and dependence, and the recent availability of atypical DAT inhibitors as a potential therapeutic option has garnered popularity in this research field. Modafinil (MOD), which is approved for clinical use for the treatment of narcolepsy and sleep disorders, blocks DAT just like commonly abused psychostimulants. However, preclinical and clinical studies have shown that it lacks the addictive properties (in both behavioral and neurochemical studies) associated with other abused DAT inhibitors. Clinical availability of MOD has facilitated its off-label use for several psychiatric disorders related to alteration of brain dopamine (DA) systems, including PSUD. In this review, we highlight clinical and preclinical research on MOD and its R-enantiomer, R-MOD, as potential medications for PSUD. Given the complexity of PSUD, we have also reported the effects of MOD on psychostimulant-induced appearance of several symptoms that could intensify the severity of the disease (i.e., sleep disorders and impairment of cognitive functions), besides the potential therapeutic effects of MOD on PSUD.
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Affiliation(s)
- Melinda Hersey
- Medication Development Program, Molecular Targets and Medication Discovery Branch, National Institute on Drug Abuse, Intramural Research Program, National Institutes of Health, Baltimore, MD, United States
| | - Amanda K. Bacon
- Medication Development Program, Molecular Targets and Medication Discovery Branch, National Institute on Drug Abuse, Intramural Research Program, National Institutes of Health, Baltimore, MD, United States
| | - Lydia G. Bailey
- Medication Development Program, Molecular Targets and Medication Discovery Branch, National Institute on Drug Abuse, Intramural Research Program, National Institutes of Health, Baltimore, MD, United States
| | - Mark A. Coggiano
- Medication Development Program, Molecular Targets and Medication Discovery Branch, National Institute on Drug Abuse, Intramural Research Program, National Institutes of Health, Baltimore, MD, United States
| | - Amy H. Newman
- Medication Development Program, Molecular Targets and Medication Discovery Branch, National Institute on Drug Abuse, Intramural Research Program, National Institutes of Health, Baltimore, MD, United States
| | - Lorenzo Leggio
- Medication Development Program, Molecular Targets and Medication Discovery Branch, National Institute on Drug Abuse, Intramural Research Program, National Institutes of Health, Baltimore, MD, United States
- Clinical Psychoneuroendo- crinology and Neuropsychopharmacology Section, Translational Addiction Medicine Branch, National Institute on Drug Abuse Intramural Research Program, National Institutes of Health, Baltimore, MD, United States
- National Institute on Alcohol Abuse and Alcoholism, Division of Intramural Clinical and Biological Research, National Institutes of Health, Bethesda, MD, United States
| | - Gianluigi Tanda
- Medication Development Program, Molecular Targets and Medication Discovery Branch, National Institute on Drug Abuse, Intramural Research Program, National Institutes of Health, Baltimore, MD, United States
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Veschsanit N, Yang JL, Ngampramuan S, Viwatpinyo K, Pinyomahakul J, Lwin T, Chancharoen P, Rungruang S, Govitrapong P, Mukda S. Melatonin reverts methamphetamine-induced learning and memory impairments and hippocampal alterations in mice. Life Sci 2020; 265:118844. [PMID: 33278389 DOI: 10.1016/j.lfs.2020.118844] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 11/26/2020] [Accepted: 11/27/2020] [Indexed: 02/07/2023]
Abstract
AIMS Methamphetamine (METH) has become a major public health problem because of its abuse and profound neurotoxic effects, causing alterations in brain structure and function, and impairing cognitive functions, including attention, decision making, emotional memory, and working memory. This study aimed to determine whether melatonin (MEL), the circadian-control hormone, which has roles beyond circadian rhythm regulation, could restore METH-induced cognitive and neuronal impairment. MAIN METHODS Mice were treated with either METH (1 mg/kg) or saline for 7 days, followed by MEL (10 mg/kg) or saline for another 14 days. The Morris water maze (MWM) test was performed one day after the last saline or MEL injection. The hippocampal neuronal density, synaptic density, and receptors involved in learning and memory, along with downstream signaling molecules (NMDA receptor subunits GluN2A, GluN2B, and CaMKII) were investigated by immunoblotting. KEY FINDINGS METH administration significantly extended escape latency in learning phase and reduced the number of target crossings in memory test-phase as well as decreased the expression of BDNF, NMDA receptors, TrkB receptors, CaMKII, βIII tubulin, and synaptophysin. MEL treatment significantly ameliorated METH-induced increased escape latency, decreased the number of target crossings and decreased expression of BDNF, NMDA receptors, TrkB receptors, CaMKII, βIII tubulin and synaptophysin. SIGNIFICANCE METH administration impairs learning and memory in mice, and MEL administration restores METH-induced neuronal impairments which is probably through the changes in BDNF, NMDA receptors, TrkB receptors, CaMKII, βIII tubulin and synaptophysin. Therefore, MEL is potentially an innovative and promising treatment for learning and memory impairment of humans.
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Affiliation(s)
- Nisarath Veschsanit
- Research Center for Neuroscience, Institute of Molecular Biosciences, Mahidol University, Salaya, Nakornpathom 73170, Thailand
| | - Jenq-Lin Yang
- Institute for Translational Research in Biomedicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 83301, Taiwan
| | - Sukonthar Ngampramuan
- Research Center for Neuroscience, Institute of Molecular Biosciences, Mahidol University, Salaya, Nakornpathom 73170, Thailand
| | - Kittikun Viwatpinyo
- Research Center for Neuroscience, Institute of Molecular Biosciences, Mahidol University, Salaya, Nakornpathom 73170, Thailand
| | - Jitrapa Pinyomahakul
- Research Center for Neuroscience, Institute of Molecular Biosciences, Mahidol University, Salaya, Nakornpathom 73170, Thailand
| | - Thit Lwin
- Research Center for Neuroscience, Institute of Molecular Biosciences, Mahidol University, Salaya, Nakornpathom 73170, Thailand; Department of Anatomy, Defence Services Medical Academy, Mingalardon, Yangon 11021, Myanmar
| | - Pongrung Chancharoen
- Research Center for Neuroscience, Institute of Molecular Biosciences, Mahidol University, Salaya, Nakornpathom 73170, Thailand; Faculty of Allied Health Sciences, Burapha University, Seansuk, Chonburi 20131, Thailand
| | - Saowalak Rungruang
- Department of Physiology, Faculty of Medical Science, Naresuan University, Phitsanulok 65000, Thailand
| | - Piyarat Govitrapong
- Research Center for Neuroscience, Institute of Molecular Biosciences, Mahidol University, Salaya, Nakornpathom 73170, Thailand; Department of Pharmacology, Faculty of Science, Mahidol University, Bangkok 10400, Thailand; Chulabhorn Graduate Institute, Chulabhorn Royal Academy, Bangkok 10210, Thailand
| | - Sujira Mukda
- Research Center for Neuroscience, Institute of Molecular Biosciences, Mahidol University, Salaya, Nakornpathom 73170, Thailand.
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15
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Zager A. Modulating the immune response with the wake-promoting drug modafinil: A potential therapeutic approach for inflammatory disorders. Brain Behav Immun 2020; 88:878-886. [PMID: 32311496 DOI: 10.1016/j.bbi.2020.04.038] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 03/16/2020] [Accepted: 04/15/2020] [Indexed: 01/03/2023] Open
Abstract
Modafinil is a psychostimulant drug approved by the FDA primarily for the treatment of sleep disorders such as narcolepsy, excessive daytime sleepiness and sleep apnea. Several documented but not yet approved uses for modafinil have been described over the last 30 years, including alleviating fatigue in neurological and neurodegenerative disorders. Recent evidence has suggested that modafinil may have an immunomodulatory effect. Here, we review the different effects of modafinil treatment in animal models of brain inflammation and peripheral immune function. We conclude that there is unequivocal evidence of an anti-inflammatory effect of modafinil in experimental animal models of brain inflammation and neurodegenerative disorders, including systemic inflammation and methamphetamine-induced neuroinflammation, Parkinson's disease, brain ischemia, and multiple sclerosis. Modafinil acts on resident glial cells and infiltrating immune cells, negatively affecting both innate and adaptive immune responses in the brain. We also review the outcomes of modafinil treatment on peripheral immune function. The results of studies on this subject are still controversial and far from conclusive, but point to a new avenue of research in relation to peripheral inflammation. The data reviewed here raise the possibility of modafinil being used as adjuvant treatment for neurological disorders in which inflammation plays an important role.
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Affiliation(s)
- Adriano Zager
- Division of Neurobiology, Department of Biomedical and Clinical Sciences, Faculty of Medicine and Health Sciences, Linköping University, Linköping, Sweden.
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16
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Bernardi A, Torres OV, Sosa M, Muñiz JA, Urbano FJ, Cadet JL, Bisagno V. Acute Regulation of the Arousal-Enhancing Drugs Caffeine and Modafinil on Class IIa HDACs In Vivo and In Vitro: Focus on HDAC7. Neurotox Res 2020; 38:498-507. [PMID: 32367472 DOI: 10.1007/s12640-020-00200-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 03/24/2020] [Accepted: 03/31/2020] [Indexed: 01/15/2023]
Abstract
Psychostimulant drugs, such as modafinil and caffeine, induce transcriptional alterations through the dysregulation of epigenetic mechanisms. We have previously demonstrated that acute modafinil administration is accompanied by multiple changes in the expression of histone deacetylases (HDACs) within the mouse medial prefrontal cortex (mPFC). Herein, we compared alterations in class IIa HDACs in the mouse mPFC and dorsal striatum (DS) after a single exposure to each psychostimulant. We treated male C57BL/6 mice with modafinil (90 mg/kg, i.p.), caffeine (10 mg/kg, i.p.), or vehicle and evaluated locomotor activity. Following, we examined hdac4, hdac5, and hdac7 mRNA expression using qRT-PCR and HDAC7, pHDAC7, and pHDACs4/5/7 using Western blot. Last, we explored generalized effects in N2a cell line using modafinil (100 μM and 1 mM) or caffeine (80 μM and 800 μM). Our results indicate that modafinil had greater effects on locomotor activity compared with caffeine. qRT-PCR experiments revealed that modafinil decreased hdac5 and hdac7 mRNA expression in the DS, while caffeine had no effects. In the mPFC, modafinil increased hdac7 mRNA expression, with no effects observed for caffeine. Western blot revealed that within the DS, modafinil induced increases in HDAC7, pHDAC7, and pHDACs4/5/7 protein expression, while, in the mPFC, caffeine induced decreases in HDAC7, pHDAC7, and pHDACs4/5/7 protein levels. In vitro studies revealed that modafinil increased hdac4, hdac5, and hdac7 mRNA levels in N2a, while caffeine only increased hdac5 at a higher dose. These findings support the notion that modafinil and caffeine exert distinct regulation of class IIa HDAC family members and that these transcriptional and translational consequences are region-specific.
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Affiliation(s)
- Alejandra Bernardi
- Instituto de Investigaciones Farmacológicas, Universidad de Buenos Aires - Consejo Nacional de Investigaciones Científicas y Técnicas, Junín 956, piso 5, Ciudad Autónoma de Buenos Aires, C1113, Buenos Aires, Argentina
| | - Oscar V Torres
- Department of Behavioral Sciences, San Diego Mesa College, San Diego, CA, USA
| | - Maximo Sosa
- Instituto de Investigaciones Farmacológicas, Universidad de Buenos Aires - Consejo Nacional de Investigaciones Científicas y Técnicas, Junín 956, piso 5, Ciudad Autónoma de Buenos Aires, C1113, Buenos Aires, Argentina
| | - Javier A Muñiz
- Instituto de Investigaciones Farmacológicas, Universidad de Buenos Aires - Consejo Nacional de Investigaciones Científicas y Técnicas, Junín 956, piso 5, Ciudad Autónoma de Buenos Aires, C1113, Buenos Aires, Argentina
| | - Francisco J Urbano
- Laboratorio de Fisiología y Biología Molecular, Instituto de Fisiología, Biología Molecular y Neurociencias, Universidad de Buenos Aires - Consejo Nacional de Investigaciones Científicas y Técnicas, Ciudad Autónoma de Buenos Aires, Buenos Aires, Argentina
| | - Jean Lud Cadet
- Molecular Neuropsychiatry Research Branch, NIH/NIDA Intramural Research Program, Baltimore, MD, USA
| | - Veronica Bisagno
- Instituto de Investigaciones Farmacológicas, Universidad de Buenos Aires - Consejo Nacional de Investigaciones Científicas y Técnicas, Junín 956, piso 5, Ciudad Autónoma de Buenos Aires, C1113, Buenos Aires, Argentina.
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17
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González B, Bernardi A, Torres OV, Jayanthi S, Gomez N, Sosa MH, García‐Rill E, Urbano FJ, Cadet J, Bisagno V. HDAC superfamily promoters acetylation is differentially regulated by modafinil and methamphetamine in the mouse medial prefrontal cortex. Addict Biol 2020; 25:e12737. [PMID: 30811820 DOI: 10.1111/adb.12737] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Revised: 01/31/2019] [Accepted: 02/01/2019] [Indexed: 12/12/2022]
Abstract
Dysregulation of histone deacetylases (HDAC) has been proposed as a potential contributor to aberrant transcriptional profiles that can lead to changes in cognitive functions. It is known that METH negatively impacts the prefrontal cortex (PFC) leading to cognitive decline and addiction whereas modafinil enhances cognition and has a low abuse liability. We investigated if modafinil (90 mg/kg) and methamphetmine (METH) (1 mg/kg) may differentially influence the acetylation status of histones 3 and 4 (H3ac and H4ac) at proximal promoters of class I, II, III, and IV HDACs. We found that METH produced broader acetylation effects in comparison with modafinil in the medial PFC. For single dose, METH affected H4ac by increasing its acetylation at class I Hdac1 and class IIb Hdac10, decreasing it at class IIa Hdac4 and Hdac5. Modafinil increased H3ac and decreased H4ac of Hdac7. For mRNA, single-dose METH increased Hdac4 and modafinil increased Hdac7 expression. For repeated treatments (4 d after daily injections over 7 d), we found specific effects only for METH. We found that METH increased H4ac in class IIa Hdac4 and Hdac5 and decreased H3/H4ac at class I Hdac1, Hdac2, and Hdac8. At the mRNA level, repeated METH increased Hdac4 and decreased Hdac2. Class III and IV HDACs were only responsive to repeated treatments, where METH affected the H3/H4ac status of Sirt2, Sirt3, Sirt7, and Hdac11. Our results suggest that HDAC targets linked to the effects of modafinil and METH may be related to the cognitive-enhancing vs cognitive-impairing effects of these psychostimulants.
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Affiliation(s)
- Betina González
- Instituto de Investigaciones FarmacológicasUniversidad de Buenos Aires – Consejo Nacional de Investigaciones Científicas y Técnicas Buenos Aires Argentina
| | - Alejandra Bernardi
- Instituto de Investigaciones FarmacológicasUniversidad de Buenos Aires – Consejo Nacional de Investigaciones Científicas y Técnicas Buenos Aires Argentina
| | - Oscar V. Torres
- Department of Behavioral SciencesSan Diego Mesa College San Diego CA USA
| | - Subramaniam Jayanthi
- Molecular Neuropsychiatry Research BranchNIH/NIDA Intramural Research Program Baltimore MD USA
| | - Natalia Gomez
- Instituto de Investigaciones FarmacológicasUniversidad de Buenos Aires – Consejo Nacional de Investigaciones Científicas y Técnicas Buenos Aires Argentina
| | - Máximo H. Sosa
- Instituto de Investigaciones FarmacológicasUniversidad de Buenos Aires – Consejo Nacional de Investigaciones Científicas y Técnicas Buenos Aires Argentina
| | - Edgar García‐Rill
- Center for Translational Neuroscience, Department of Neurobiology and Developmental SciencesUniversity of Arkansas for Medical Sciences Little Rock AR USA
| | - Francisco J. Urbano
- Laboratorio de Fisiología y Biología Molecular, Instituto de Fisiología, Biología Molecular y NeurocienciasUniversidad de Buenos Aires – Consejo Nacional de Investigaciones Científicas y Técnicas Buenos Aires Argentina
| | - Jean‐Lud Cadet
- Molecular Neuropsychiatry Research BranchNIH/NIDA Intramural Research Program Baltimore MD USA
| | - Verónica Bisagno
- Instituto de Investigaciones FarmacológicasUniversidad de Buenos Aires – Consejo Nacional de Investigaciones Científicas y Técnicas Buenos Aires Argentina
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18
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Methamphetamine exacerbates neuroinflammatory response to lipopolysaccharide by activating dopamine D1-like receptors. Int Immunopharmacol 2019; 73:1-9. [DOI: 10.1016/j.intimp.2019.04.053] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 04/03/2019] [Accepted: 04/25/2019] [Indexed: 01/11/2023]
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19
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The Neuroprotective Effect of L-Stepholidine on Methamphetamine-Induced Memory Deficits in Mice. Neurotox Res 2019; 36:376-386. [PMID: 31201732 DOI: 10.1007/s12640-019-00069-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 05/27/2019] [Accepted: 05/28/2019] [Indexed: 10/26/2022]
Abstract
Repeated methamphetamine (METH) exposure can cause severe neurotoxicity to the central nervous system, and lead to memory deficits. L-Stepholidine (L-SPD) is a structurally identified alkaloid extract of the Chinese herb Stephania intermedia, which elicits dopamine (DA) D1-type receptors partial agonistic activity and D2-type receptors antagonistic activity. In this study, we investigated the effect of L-SPD on METH-induced memory deficits in mice and its underlying mechanisms. We found that repeated exposure to METH (10 mg/kg, i.p., once per day for 7 consecutive days) impaired memory functions in the novel object recognition experiment. Pretreatment of L-SPD (10 mg/kg, i.p.) significantly improved METH-induced memory deficits in mice. Meanwhile, the protein expression of dopaminergic D2 receptors in hippocampus area was significantly increased by repeated METH exposure, while the protein expression of dopamine transporter (DAT) was significantly reduced. Additionally, the protein expression of phospho-protein kinase A (p-PKA) was significantly increased by repeated METH exposure. The hyperpolarization-activated cyclic-nucleotide-gated non-selective cation 1 (HCN1) channel, which was a key regulator of memory functions and could be regulated by p-PKA, was also significantly increased by repeated METH exposure. These changes caused by METH could be prevented by L-SPD pretreatment. Therefore, our data firstly showed that pretreatment of L-SPD exhibited the protective effect against METH-induced memory deficits, possibly through reducing METH-induced upregulation of dopaminergic pathway and HCN1 channels.
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Zhao L, Du L, Zhang Y, Chao J, Duan M, Yao H, Shen C, Zhang Y. Role of PUMA in the methamphetamine-induced migration of microglia. Metab Brain Dis 2019; 34:61-69. [PMID: 30259295 DOI: 10.1007/s11011-018-0319-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Accepted: 09/17/2018] [Indexed: 12/26/2022]
Abstract
In this study, we demonstrated that PUMA was involved in the microglial migration induced by methamphetamine. PUMA expression was examined by western blotting and immunofluorescence staining. BV2 and HAPI cells were pretreated with a sigma-1R antagonist and extracellular signal-regulated kinase (ERK), mitogen-activated protein kinase (MAPK), c-Jun N-terminal protein kinase (JNK), and phosphatidylinositol-3 kinase (PI3K)/Akt inhibitors, and PUMA expression was detected by western blotting. The cell migration in BV2 and HAPI cells transfected with a lentivirus encoding red fluorescent protein (LV-RFP) was also examined using a wound-healing assay and nested matrix model and cell migration assay respectively. The molecular mechanisms of PUMA in microglial migration were validated using a siRNA approach. The exposure of BV2 and HAPI cells to methamphetamine increased the expression of PUMA, reactive oxygen species (ROS), the MAPK and PI3K/Akt pathways and the downstream transcription factor signal transducer and activator of transcription 3 (STAT3) pathways. PUMA knockdown in microglia transfected with PUMA siRNA attenuated the increased cell migration induced by methamphetamine, thereby implicating PUMA in the migration of BV2 and HAPI cells. This study demonstrated that methamphetamine-induced microglial migration involved PUMA up-regulation. Targeting PUMA could provide insights into the development of a potential therapeutic approach for the alleviation of microglia migration induced by methamphetamine.
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Affiliation(s)
- Lei Zhao
- Department of Pharmacology, Medical School of Southeast University, Southeast University, Nanjing, 210009, Jiangsu, China
| | - Longfei Du
- Department of Pharmacology, Medical School of Southeast University, Southeast University, Nanjing, 210009, Jiangsu, China
| | - Yanhong Zhang
- Department of Pharmacology, Medical School of Southeast University, Southeast University, Nanjing, 210009, Jiangsu, China
| | - Jie Chao
- Department of Physiology, Medical School of Southeast University, Southeast University, Nanjing, China
| | - Ming Duan
- Key Laboratory for Zoonosis Research, Ministry of Education, Jilin University, Changchun, China
| | - Honghong Yao
- Department of Pharmacology, Medical School of Southeast University, Southeast University, Nanjing, 210009, Jiangsu, China
- Institute of Life Sciences, Key Laboratory of Developmental Genes and Human Disease, Southeast University, Nanjing, China
| | - Chuanlu Shen
- Department of Pathophysiology, Medical School of Southeast University, Southeast University, Nanjing, China
| | - Yuan Zhang
- Department of Pharmacology, Medical School of Southeast University, Southeast University, Nanjing, 210009, Jiangsu, China.
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21
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Shin EJ, Dang DK, Hwang YG, Tran HQ, Sharma N, Jeong JH, Jang CG, Nah SY, Nabeshima T, Yoneda Y, Cadet JL, Kim HC. Significance of protein kinase C in the neuropsychotoxicity induced by methamphetamine-like psychostimulants. Neurochem Int 2019; 124:162-170. [PMID: 30654115 DOI: 10.1016/j.neuint.2019.01.014] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Revised: 12/27/2018] [Accepted: 01/14/2019] [Indexed: 02/06/2023]
Abstract
The abuse of methamphetamine (MA), an amphetamine (AMPH)-type stimulant, has been demonstrated to be associated with various neuropsychotoxicity, including memory impairment, psychiatric morbidity, and dopaminergic toxicity. Compelling evidence from preclinical studies has indicated that protein kinase C (PKC), a large family of serine/threonine protein kinases, plays an important role in MA-induced neuropsychotoxicity. PKC-mediated N-terminal phosphorylation of dopamine transporter has been identified as one of the prerequisites for MA-induced synaptic dopamine release. Consistently, it has been shown that PKC is involved in MA (or AMPH)-induced memory impairment and mania-like behaviors as well as MA drug dependence. Direct or indirect regulation of factors related to neuronal plasticity seemed to be critical for these actions of PKC. In addition, PKC-mediated mitochondrial dysfunction, oxidative stress or impaired antioxidant defense system has been suggested to play a role in psychiatric and cognitive disturbance induced by MA (or AMPH). In MA-induced dopaminergic toxicity, particularly PKCδ has been shown to trigger oxidative stress, mitochondrial dysfunction, pro-apoptotic changes, and neuroinflammation. Importantly, PKCδ may be a key mediator in the positive feedback loop composed of these detrimental events to potentiate MA-induced dopaminergic toxicity. This review outlines the role of PKC and its individual isozymes in MA-induced neuropsychotoxicity. Better understanding on the molecular mechanism of PKCs might provide a great insight for the development of potential therapeutic or preventive candidates for MA (or AMPH)-associated neuropsychotoxicity.
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Affiliation(s)
- Eun-Joo Shin
- Neuropsychopharmacology and Toxicology Program, College of Pharmacy, Kangwon National University, Chunchon 24341, Republic of Korea
| | - Duy-Khanh Dang
- Neuropsychopharmacology and Toxicology Program, College of Pharmacy, Kangwon National University, Chunchon 24341, Republic of Korea
| | - Young Gwang Hwang
- Neuropsychopharmacology and Toxicology Program, College of Pharmacy, Kangwon National University, Chunchon 24341, Republic of Korea
| | - Hai-Quyen Tran
- Neuropsychopharmacology and Toxicology Program, College of Pharmacy, Kangwon National University, Chunchon 24341, Republic of Korea
| | - Naveen Sharma
- Neuropsychopharmacology and Toxicology Program, College of Pharmacy, Kangwon National University, Chunchon 24341, Republic of Korea
| | - Ji Hoon Jeong
- Department of Pharmacology, College of Medicine, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Choon-Gon Jang
- Department of Pharmacology, School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Seung-Yeol Nah
- Ginsentology Research Laboratory and Department of Physiology, College of Veterinary Medicine, Konkuk University, Seoul 05029, Republic of Korea
| | - Toshitaka Nabeshima
- Advanced Diagnostic System Research Laboratory, Fujita Health University Graduate School of Health Science, Toyoake 470-1192, Japan
| | - Yukio Yoneda
- Section of Prophylactic Pharmacology, Kanazawa University Venture Business Laboratory, Kanazawa, Ishikawa 920-1192, Japan
| | - Jean Lud Cadet
- NIDA Intramural Program, Molecular Neuropsychiatry Research Branch, 251 Bayview Boulevard, Baltimore, MD 21224, USA
| | - Hyoung-Chun Kim
- Neuropsychopharmacology and Toxicology Program, College of Pharmacy, Kangwon National University, Chunchon 24341, Republic of Korea.
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22
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González B, Torres OV, Jayanthi S, Gomez N, Sosa MH, Bernardi A, Urbano FJ, García-Rill E, Cadet JL, Bisagno V. The effects of single-dose injections of modafinil and methamphetamine on epigenetic and functional markers in the mouse medial prefrontal cortex: potential role of dopamine receptors. Prog Neuropsychopharmacol Biol Psychiatry 2019; 88:222-234. [PMID: 30056065 PMCID: PMC8424782 DOI: 10.1016/j.pnpbp.2018.07.019] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Revised: 07/12/2018] [Accepted: 07/23/2018] [Indexed: 01/02/2023]
Abstract
METH use causes neuroadaptations that negatively impact the prefrontal cortex (PFC) leading to addiction and associated cognitive decline in animals and humans. In contrast, modafinil enhances cognition by increasing PFC function. Accumulated evidence indicates that psychostimulant drugs, including modafinil and METH, regulate gene expression via epigenetic modifications. In this study, we measured the effects of single-dose injections of modafinil and METH on the protein levels of acetylated histone H3 (H3ac) and H4ac, deacetylases HDAC1 and HDAC2, and of the NMDA subunit GluN1 in the medial PFC (mPFC) of mice euthanized 1 h after drug administration. To test if dopamine (DA) receptors (DRs) participate in the biochemical effects of the two drugs, we injected the D1Rs antagonist, SCH23390, or the D2Rs antagonist, raclopride, 30 min before administration of METH and modafinil. We evaluated each drug effect on glutamate synaptic transmission in D1R-expressing layer V pyramidal neurons. We also measured the enrichment of H3ac and H4ac at the promoters of several genes including DA, NE, orexin, histamine, and glutamate receptors, and their mRNA expression, since they are responsive to chronic modafinil and METH treatment. Acute modafinil and METH injections caused similar effects on total histone acetylation, increasing H3ac and decreasing H4ac, and they also increased HDAC1, HDAC2 and GluN1 protein levels in the mouse mPFC. In addition, the effects of the drugs were prevented by pre-treatment with D1Rs and D2Rs antagonists. Specifically, the changes in H4ac, HDAC2, and GluN1 were responsive to SCH23390, whereas those of H3ac and GluN1 were responsive to raclopride. Whole-cell patch clamp in transgenic BAC-Drd1a-tdTomato mice showed that METH, but not modafinil, induced paired-pulse facilitation of EPSCs, suggesting reduced presynaptic probability of glutamate release onto layer V pyramidal neurons. Analysis of histone 3/4 enrichment at specific promoters revealed: i) distinct effects of the drugs on histone 3 acetylation, with modafinil increasing H3ac at Drd1 and Adra1b promoters, but METH increasing H3ac at Adra1a; ii) distinct effects on histone 4 acetylation enrichment, with modafinil increasing H4ac at the Drd2 promoter and decreasing it at Hrh1, but METH increasing H4ac at Drd1; iii) comparable effects of both psychostimulants, increasing H3ac at Drd2, Hcrtr1, and Hrh1 promoters, decreasing H3ac at Hrh3, increasing H4ac at Hcrtr1, and decreasing H4ac at Hcrtr2, Hrh3, and Grin1 promoters. Interestingly, only METH altered mRNA levels of genes with altered histone acetylation status, inducing increased expression of Drd1a, Adra1a, Hcrtr1, and Hrh1, and decreasing Grin1. Our study suggests that although acute METH and modafinil can both increase DA neurotransmission in the mPFC, there are similar and contrasting epigenetic and transcriptional consequences that may account for their divergent clinical effects.
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Affiliation(s)
- Betina González
- Instituto de Investigaciones Farmacológicas (Universidad de Buenos Aires - Consejo Nacional de Investigaciones Científicas y Técnicas), Ciudad Autónoma de Buenos Aires, Buenos Aires, Argentina
| | - Oscar V Torres
- Department of Behavioral Sciences, San Diego Mesa College, San Diego, California, United States
| | - Subramaniam Jayanthi
- Molecular Neuropsychiatry Research Branch, NIH/NIDA Intramural Research Program, Baltimore, MD, United States
| | - Natalia Gomez
- Instituto de Investigaciones Farmacológicas (Universidad de Buenos Aires - Consejo Nacional de Investigaciones Científicas y Técnicas), Ciudad Autónoma de Buenos Aires, Buenos Aires, Argentina
| | - Máximo H Sosa
- Instituto de Investigaciones Farmacológicas (Universidad de Buenos Aires - Consejo Nacional de Investigaciones Científicas y Técnicas), Ciudad Autónoma de Buenos Aires, Buenos Aires, Argentina
| | - Alejandra Bernardi
- Instituto de Investigaciones Farmacológicas (Universidad de Buenos Aires - Consejo Nacional de Investigaciones Científicas y Técnicas), Ciudad Autónoma de Buenos Aires, Buenos Aires, Argentina
| | - Francisco J Urbano
- Laboratorio de Fisiología y Biología Molecular, Instituto de Fisiología, Biología Molecular y Neurociencias (Universidad de Buenos Aires - Consejo Nacional de Investigaciones Científicas y Técnicas), Ciudad Autónoma de Buenos Aires, Buenos Aires, Argentina
| | - Edgar García-Rill
- Center for Translational Neuroscience, Department of Neurobiology and Developmental Sciences, University of Arkansas for Medical Sciences, Little Rock, AR, United States
| | - Jean-Lud Cadet
- Molecular Neuropsychiatry Research Branch, NIH/NIDA Intramural Research Program, Baltimore, MD, United States
| | - Verónica Bisagno
- Instituto de Investigaciones Farmacológicas (Universidad de Buenos Aires - Consejo Nacional de Investigaciones Científicas y Técnicas), Ciudad Autónoma de Buenos Aires, Buenos Aires, Argentina.
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23
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Lichtstein D, Ilani A, Rosen H, Horesh N, Singh SV, Buzaglo N, Hodes A. Na⁺, K⁺-ATPase Signaling and Bipolar Disorder. Int J Mol Sci 2018; 19:E2314. [PMID: 30087257 PMCID: PMC6121236 DOI: 10.3390/ijms19082314] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2018] [Revised: 07/25/2018] [Accepted: 07/26/2018] [Indexed: 02/07/2023] Open
Abstract
Bipolar disorder (BD) is a severe and common chronic mental illness characterized by recurrent mood swings between depression and mania. The biological basis of the disease is poorly understood and its treatment is unsatisfactory. Although in past decades the "monoamine hypothesis" has dominated our understanding of both the pathophysiology of depressive disorders and the action of pharmacological treatments, recent studies focus on the involvement of additional neurotransmitters/neuromodulators systems and cellular processes in BD. Here, evidence for the participation of Na⁺, K⁺-ATPase and its endogenous regulators, the endogenous cardiac steroids (ECS), in the etiology of BD is reviewed. Proof for the involvement of brain Na⁺, K⁺-ATPase and ECS in behavior is summarized and it is hypothesized that ECS-Na⁺, K⁺-ATPase-induced activation of intracellular signaling participates in the mechanisms underlying BD. We propose that the activation of ERK, AKT, and NFκB, resulting from ECS-Na⁺, K⁺-ATPase interaction, modifies neuronal activity and neurotransmission which, in turn, participate in the regulation of behavior and BD. These observations suggest Na⁺, K⁺-ATPase-mediated signaling is a potential target for drug development for the treatment of BD.
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Affiliation(s)
- David Lichtstein
- Department of Medical Neurobiology, Institute for Medical Research Israel-Canada, The Hebrew University-Hadassah Medical School, Jerusalem 91120, Israel.
| | - Asher Ilani
- Department of Medical Neurobiology, Institute for Medical Research Israel-Canada, The Hebrew University-Hadassah Medical School, Jerusalem 91120, Israel.
| | - Haim Rosen
- Department of Medical Neurobiology, Institute for Medical Research Israel-Canada, The Hebrew University-Hadassah Medical School, Jerusalem 91120, Israel.
| | - Noa Horesh
- Department of Medical Neurobiology, Institute for Medical Research Israel-Canada, The Hebrew University-Hadassah Medical School, Jerusalem 91120, Israel.
| | - Shiv Vardan Singh
- Department of Medical Neurobiology, Institute for Medical Research Israel-Canada, The Hebrew University-Hadassah Medical School, Jerusalem 91120, Israel.
| | - Nahum Buzaglo
- Department of Medical Neurobiology, Institute for Medical Research Israel-Canada, The Hebrew University-Hadassah Medical School, Jerusalem 91120, Israel.
| | - Anastasia Hodes
- Department of Medical Neurobiology, Institute for Medical Research Israel-Canada, The Hebrew University-Hadassah Medical School, Jerusalem 91120, Israel.
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24
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González B, Jayanthi S, Gomez N, Torres OV, Sosa MH, Bernardi A, Urbano FJ, García-Rill E, Cadet JL, Bisagno V. Repeated methamphetamine and modafinil induce differential cognitive effects and specific histone acetylation and DNA methylation profiles in the mouse medial prefrontal cortex. Prog Neuropsychopharmacol Biol Psychiatry 2018; 82:1-11. [PMID: 29247759 PMCID: PMC6983674 DOI: 10.1016/j.pnpbp.2017.12.009] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Revised: 12/04/2017] [Accepted: 12/10/2017] [Indexed: 11/28/2022]
Abstract
Methamphetamine (METH) and modafinil are psychostimulants with different long-term cognitive profiles: METH is addictive and leads to cognitive decline, whereas modafinil has little abuse liability and is a cognitive enhancer. Increasing evidence implicates epigenetic mechanisms of gene regulation behind the lasting changes that drugs of abuse and other psychotropic compounds induce in the brain, like the control of gene expression by histones 3 and 4 tails acetylation (H3ac and H4ac) and DNA cytosine methylation (5-mC). Mice were treated with a seven-day repeated METH, modafinil or vehicle protocol and evaluated in the novel object recognition (NOR) test or sacrificed 4days after last injection for molecular assays. We evaluated total H3ac, H4ac and 5-mC levels in the medial prefrontal cortex (mPFC), H3ac and H4ac promotor enrichment (ChIP) and mRNA expression (RT-PCR) of neurotransmitter systems involved in arousal, wakefulness and cognitive control, like dopaminergic (Drd1 and Drd2), α-adrenergic (Adra1a and Adra1b), orexinergic (Hcrtr1 and Hcrtr2), histaminergic (Hrh1 and Hrh3) and glutamatergic (AMPA Gria1 and NMDA Grin1) receptors. Repeated METH and modafinil treatment elicited different cognitive outcomes in the NOR test, where modafinil-treated mice performed as controls and METH-treated mice showed impaired recognition memory. METH-treated mice also showed i) decreased levels of total H3ac and H4ac, and increased levels of 5-mC, ii) decreased H3ac enrichment at promoters of Drd2, Hcrtr1/2, Hrh1 and Grin1, and increased H4ac enrichment at Drd1, Hrh1 and Grin1, iii) increased mRNA of Drd1a, Grin1 and Gria1. Modafinil-treated mice shared none of these effects and showed increased H3ac enrichment and mRNA expression at Adra1b. Modafinil and METH showed similar effects linked to decreased H3ac in Hrh3, increased H4ac in Hcrtr1, and decreased mRNA expression of Hcrtr2. The specific METH-induced epigenetic and transcriptional changes described here may be related to the long-term cognitive decline effects of the drug and its detrimental effects on mPFC function. The lack of similar epigenetic effects of chronic modafinil administration supports this notion.
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Affiliation(s)
- Betina González
- Instituto de Investigaciones Farmacológicas (Universidad de Buenos Aires – Consejo Nacional de Investigaciones Científicas y Técnicas), Ciudad Autónoma de Buenos Aires, Buenos Aires, Argentina
| | - Subramaniam Jayanthi
- Molecular Neuropsychiatry Research Branch, NIH/NIDA Intramural Research Program, Baltimore, Maryland, United States of America
| | - Natalia Gomez
- Instituto de Investigaciones Farmacológicas (Universidad de Buenos Aires – Consejo Nacional de Investigaciones Científicas y Técnicas), Ciudad Autónoma de Buenos Aires, Buenos Aires, Argentina
| | - Oscar V. Torres
- Department of Behavioral Sciences, San Diego Mesa College, San Diego, California, United States of America
| | - Máximo H. Sosa
- Instituto de Investigaciones Farmacológicas (Universidad de Buenos Aires – Consejo Nacional de Investigaciones Científicas y Técnicas), Ciudad Autónoma de Buenos Aires, Buenos Aires, Argentina
| | - Alejandra Bernardi
- Instituto de Investigaciones Farmacológicas (Universidad de Buenos Aires – Consejo Nacional de Investigaciones Científicas y Técnicas), Ciudad Autónoma de Buenos Aires, Buenos Aires, Argentina
| | - Francisco J. Urbano
- Laboratorio de Fisiología y Biología Molecular, Instituto de Fisiología, Biología Molecular y Neurociencias (Universidad de Buenos Aires – Consejo Nacional de Investigaciones Científicas y Técnicas), Ciudad Autónoma de Buenos Aires, Buenos Aires, Argentina
| | - Edgar García-Rill
- Center for Translational Neuroscience, Department of Neurobiology and Developmental Sciences, University of Arkansas for Medical Sciences, Little Rock, Arkansas, United States of America
| | - Jean-Lud Cadet
- Molecular Neuropsychiatry Research Branch, NIH/NIDA Intramural Research Program, Baltimore, Maryland, United States of America.,Corresponding authors: Veronica Bisagno, Ph.D. Instituto de Investigaciones Farmacológicas (ININFA-UBA-CONICET), Junín 956, piso 5, C1113-Buenos Aires, Argentina. Phone: (+54-11) 4961-6784, Fax: (+54-11) 4963-8593. Jean-Lud Cadet, MD
| | - Verónica Bisagno
- Instituto de Investigaciones Farmacológicas, Universidad de Buenos Aires - Consejo Nacional de Investigaciones Científicas y Técnicas, Ciudad Autónoma de Buenos Aires, Buenos Aires, Argentina.
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25
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Yang L, Guo Y, Huang M, Wu X, Li X, Chen G, Li Y, Bai J. Thioredoxin-1 Protects Spinal Cord from Demyelination Induced by Methamphetamine through Suppressing Endoplasmic Reticulum Stress and Inflammation. Front Neurol 2018; 9:49. [PMID: 29467717 PMCID: PMC5808126 DOI: 10.3389/fneur.2018.00049] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Accepted: 01/18/2018] [Indexed: 01/19/2023] Open
Abstract
Methamphetamine (METH) is a psychostimulant abused around the world. Emerging evidence indicates that METH causes brain damage. However, there are very few reports on METH-induced demyelination. Thioredoxin-1 (Trx-1) is a redox regulating protein and plays the roles in protecting neurons from various stresses. However, whether Trx-1 resists demyelination induced by METH has not been reported. In this study, we found that METH-induced thin myelin sheaths in spinal cord, whereas Trx-1 overexpression transgenic (TG) mice restored the myelin sheaths thickness. The expressions of myelin-associated glycoprotein, myelin basic protein, and cyclin-dependent kinase 5 were decreased by METH, whereas these alterations were blocked in Trx-1 TG mice. The expressions of procaspase-12 and procaspase-3 were decreased by METH, the expression of calpain1 was increased by METH, whereas the alterations were suppressed in Trx-1 TG mice. As same as, the expressions of the extracellular signal-regulated kinase, nuclear factor κB, tumor necrosis factor-alpha, and interleukin-1beta were induced by METH, which were suppressed in Trx-1 TG mice. These data suggest that Trx-1 may play a critical role in resisting the METH-mediated demyelination in spinal cord through regulating endoplasmic reticulum stress and inflammation pathways.
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Affiliation(s)
- Lihua Yang
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, China.,Medical School, Kunming University of Science and Technology, Kunming, China.,Narcotics Control School, Yunnan Police College, Kunming, China
| | - Yinli Guo
- Medical School, Kunming University of Science and Technology, Kunming, China
| | - Mengbin Huang
- Medical School, Kunming University of Science and Technology, Kunming, China
| | - Xiaoli Wu
- Medical School, Kunming University of Science and Technology, Kunming, China
| | - Xiang Li
- Medical School, Kunming University of Science and Technology, Kunming, China
| | - Guobing Chen
- Medical School, Kunming University of Science and Technology, Kunming, China
| | - Ye Li
- Medical School, Kunming University of Science and Technology, Kunming, China
| | - Jie Bai
- Medical School, Kunming University of Science and Technology, Kunming, China
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26
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Functional inactivation of dorsal medial striatum alters behavioral flexibility and recognition process in mice. Physiol Behav 2017; 179:467-477. [DOI: 10.1016/j.physbeh.2017.07.026] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Revised: 07/20/2017] [Accepted: 07/20/2017] [Indexed: 12/28/2022]
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27
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Chao J, Zhang Y, Du L, Zhou R, Wu X, Shen K, Yao H. Molecular mechanisms underlying the involvement of the sigma-1 receptor in methamphetamine-mediated microglial polarization. Sci Rep 2017; 7:11540. [PMID: 28912535 PMCID: PMC5599501 DOI: 10.1038/s41598-017-11065-8] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Accepted: 08/15/2017] [Indexed: 01/26/2023] Open
Abstract
Our previous study demonstrated that the sigma-1 receptor is involved in methamphetamine-induced microglial apoptosis and death; however, whether the sigma-1 receptor is involved in microglial activation as well as the molecular mechanisms underlying this process remains poorly understood. The aim of this study is to demonstrate the involvement of the sigma-1 receptor in methamphetamine-mediated microglial activation. The expression of σ-1R, iNOS, arginase and SOCS was examined by Western blot; activation of cell signaling pathways was detected by Western blot analysis. The role of σ-1R in microglial activation was further validated in C57BL/6 N WT and sigma-1 receptor knockout mice (male, 6-8 weeks) injected intraperitoneally with saline or methamphetamine (30 mg/kg) by Western blot combined with immunostaining specific for Iba-1. Treatment of cells with methamphetamine (150 μM) induced the expression of M1 markers (iNOS) with concomitant decreased the expression of M2 markers (Arginase) via its cognate sigma-1 receptor followed by ROS generation. Sequential activation of the downstream MAPK, Akt and STAT3 pathways resulted in microglial polarization. Blockade of sigma-1 receptor significantly inhibited the generation of ROS and activation of the MAPK and Akt pathways. These findings underscore the critical role of the sigma-1 receptor in methamphetamine-induced microglial activation.
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Affiliation(s)
- Jie Chao
- Department of Pharmacology, Medical School of Southeast University, Southeast University, Nanjing, China
- Department of Physiology, Medical School of Southeast University, Southeast University, Nanjing, China
| | - Yuan Zhang
- Department of Pharmacology, Medical School of Southeast University, Southeast University, Nanjing, China
| | - Longfei Du
- Department of Pharmacology, Medical School of Southeast University, Southeast University, Nanjing, China
| | - Rongbin Zhou
- Institute of Immunology and the CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Life Sciences and Medical Center, University of Science and Technology of China, Hefei, China
| | - Xiaodong Wu
- Department of Pharmacology, Medical School of Southeast University, Southeast University, Nanjing, China
| | - Kai Shen
- Department of Pharmacy, Nantong Tongzhou People's Hospital, Nantong, China.
| | - Honghong Yao
- Department of Pharmacology, Medical School of Southeast University, Southeast University, Nanjing, China.
- Institute of Life Sciences, Key Laboratory of Developmental Genes and Human Disease, Southeast University, Nanjing, China.
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28
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Moszczynska A, Callan SP. Molecular, Behavioral, and Physiological Consequences of Methamphetamine Neurotoxicity: Implications for Treatment. J Pharmacol Exp Ther 2017; 362:474-488. [PMID: 28630283 PMCID: PMC11047030 DOI: 10.1124/jpet.116.238501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2016] [Accepted: 05/09/2017] [Indexed: 04/28/2024] Open
Abstract
Understanding the relationship between the molecular mechanisms underlying neurotoxicity of high-dose methamphetamine (METH) and related clinical manifestations is imperative for providing more effective treatments for human METH users. This article provides an overview of clinical manifestations of METH neurotoxicity to the central nervous system and neurobiology underlying the consequences of administration of neurotoxic METH doses, and discusses implications of METH neurotoxicity for treatment of human abusers of the drug.
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Affiliation(s)
- Anna Moszczynska
- Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State University, Detroit, Michigan
| | - Sean Patrick Callan
- Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State University, Detroit, Michigan
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29
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González B, González C, Bisagno V, Urbano FJ. EFFECTS OF METHAMPHETAMINE ON LOCOMOTOR ACTIVITY AND THALAMIC GENE EXPRESSION IN LEPTIN-DEFICIENT OBESE MICE. ACTA ACUST UNITED AC 2017; 2. [PMID: 28920084 DOI: 10.15761/tbr.1000112] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Leptin is an adipose-derived hormone that regulates energy balance. Leptin receptors are expressed in extrahypothalamic sites and several reports showed that leptin can influence feeding and locomotor behavior via direct actions on dopaminergic neurons. The leptin deficient mouse (ob/ob) has been used as an animal model of blunted leptin action, and presents with obesity and mild type 2 diabetes. We used ob/ob mice to study the effect of repeated 7-day methamphetamine (METH) administration analyzing locomotion, behavioral sensitization, and somatosensory thalamic mRNA expression of voltage-gated calcium channels and glutamatergic receptors using RT-PCR. We observed reduced METH-mediated responses in ob/ob mice associated with enhanced in mRNA expression of key voltage-gated and glutamate receptors in the somatosensory thalamus. Results described here are important for understanding the control of locomotion and thalamocortical excitability by leptin.
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Affiliation(s)
- Betina González
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Fisiología, Biología Molecular y Celular "Dr. Héctor Maldonado", Ciudad Autónoma de Buenos Aires, Argentina.,CONICET-Universidad de Buenos Aires, Instituto de Fisiología, Biología Molecular y Neurociencias (IFIBYNE), Ciudad Autónoma de Buenos Aires.,Universidad de Buenos Aires, Farmacia y Bioquímica, Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina.,CONICET-Universidad de Buenos Aires, Instituto de Investigaciones Farmacológicas (ININFA), Ciudad Autónoma de Buenos Aires, Argentina
| | - Candela González
- Centro de Estudios Biomédicos, Biotecnológicos, Ambientales y Diagnóstico (CEBBAD), Universidad Maimónides, Ciudad Autónoma de Buenos Aires, Argentina
| | - Verónica Bisagno
- Universidad de Buenos Aires, Farmacia y Bioquímica, Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina.,CONICET-Universidad de Buenos Aires, Instituto de Investigaciones Farmacológicas (ININFA), Ciudad Autónoma de Buenos Aires, Argentina
| | - Francisco J Urbano
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Fisiología, Biología Molecular y Celular "Dr. Héctor Maldonado", Ciudad Autónoma de Buenos Aires, Argentina.,CONICET-Universidad de Buenos Aires, Instituto de Fisiología, Biología Molecular y Neurociencias (IFIBYNE), Ciudad Autónoma de Buenos Aires
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Dias VT, Vey LT, Rosa HZ, D'avila LF, Barcelos RCS, Burger ME. Could Modafinil Prevent Psychostimulant Addiction? An Experimental Study in Rats. Basic Clin Pharmacol Toxicol 2017; 121:400-408. [DOI: 10.1111/bcpt.12821] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Accepted: 05/23/2017] [Indexed: 12/21/2022]
Affiliation(s)
- Verônica Tironi Dias
- Graduate Program of Pharmacology; Federal University of Santa Maria (UFSM) - RS; Santa Maria Brazil
| | - Luciana Taschetto Vey
- Graduate Program in Biological Sciences: Toxicological Biochemistry; Federal University of Santa Maria (UFSM) - RS; Santa Maria Brazil
| | - Higor Zuquetto Rosa
- Department of Physiology and Pharmacology; Federal University of Santa Maria (UFSM) - RS; Santa Maria Brazil
| | - Lívia Ferraz D'avila
- Graduate Program of Pharmacology; Federal University of Santa Maria (UFSM) - RS; Santa Maria Brazil
| | | | - Marilise Escobar Burger
- Graduate Program of Pharmacology; Federal University of Santa Maria (UFSM) - RS; Santa Maria Brazil
- Graduate Program in Biological Sciences: Toxicological Biochemistry; Federal University of Santa Maria (UFSM) - RS; Santa Maria Brazil
- Department of Physiology and Pharmacology; Federal University of Santa Maria (UFSM) - RS; Santa Maria Brazil
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Kirisattayakul W, Wattanathorn J, Iamsaard S, Jittiwat J, Suriharn B, Lertrat K. Neuroprotective and Memory-Enhancing Effect of the Combined Extract of Purple Waxy Corn Cob and Pandan in Ovariectomized Rats. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2017; 2017:5187102. [PMID: 28770022 PMCID: PMC5523472 DOI: 10.1155/2017/5187102] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2017] [Accepted: 06/01/2017] [Indexed: 11/17/2022]
Abstract
The neuroprotectant and memory enhancer supplement for menopause is required due to the side effects of hormone replacement therapy. Since purple waxy corn cob and pandan leaves exert antioxidant and acetylcholinesterase inhibition (AChEI) effects, we hypothesized that the combined extract of both plants (PCP) might provide synergistic effect leading to the improved brain damage and memory impairment in experimental menopause. To test this hypothesis, female Wistar rats were ovariectomized bilaterally and orally given various doses of the functional drink at doses of 20, 40, and 80 mg/kg for 28 days. The animals were assessed nonspatial memory using object recognition test every 7 days throughout the study period. At the end of study, they were assessed with oxidative stress status, AChEI, neuron density, and ERK1/2 signal in the prefrontal cortex (PFC). Interestingly, all doses of PCP increased object recognition memory and neuron density but decreased oxidative stress status in PFC. Low dose of PCP also decreased AChE activity while medium dose of PCP increased phosphorylation of ERK1/2 in PFC. Therefore, the improved oxidative stress status and cholinergic function together with signal transduction via ERK in PFC might be responsible for the neuroprotective and memory-enhancing effects of PCP.
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Affiliation(s)
- Woranan Kirisattayakul
- Department of Physiology and Graduate School (Neuroscience Program), Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
- Integrative Complementary Alternative Medicine Research and Development Center, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Jintanaporn Wattanathorn
- Integrative Complementary Alternative Medicine Research and Development Center, Khon Kaen University, Khon Kaen 40002, Thailand
- Department of Physiology, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Sittichai Iamsaard
- Department of Anatomy, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Jinatta Jittiwat
- Faculty of Medicine, Mahasarakham University, Maha Sarakham 44150, Thailand
| | - Bhalang Suriharn
- Faculty of Agriculture, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Kamol Lertrat
- Faculty of Agriculture, Khon Kaen University, Khon Kaen 40002, Thailand
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Morley KC, Cornish JL, Faingold A, Wood K, Haber PS. Pharmacotherapeutic agents in the treatment of methamphetamine dependence. Expert Opin Investig Drugs 2017; 26:563-578. [PMID: 28351169 DOI: 10.1080/13543784.2017.1313229] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
INTRODUCTION Methamphetamine use is a serious public health concern in many countries and is second to cannabis as the most widely abused illicit drug in the world. Effective management for methamphetamine dependence remains elusive and the large majority of methamphetamine users relapse following treatment. Areas covered: Progression in the understanding of the pharmacological basis of methamphetamine use has provided us with innovative opportunities to develop agents to treat dependence. The current review summarizes relevant literature on the neurobiological and clinical correlates associated with methamphetamine use. We then outline agents that have been explored for potential treatments in preclinical studies, human laboratory phase I and phase II trials over the last ten years. Expert opinion: No agent has demonstrated a broad and strong effect in achieving MA abstinence in Phase II trials. Agents with novel therapeutic targets appear promising. Advancement in MA treatment, including translation into practice, faces several clinical challenges.
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Affiliation(s)
- Kirsten C Morley
- a NHMRC Centre for Excellence in Mental Health and Substance Use, Discipline of Addiction Medicine , The University of Sydney , Sydney , Australia
| | - Jennifer L Cornish
- b Department of Psychology , Centre for Emotional Health, Macquarie University , Sydney , Australia
| | - Alon Faingold
- c Drug Health Services , Royal Prince Alfred Hospital , Camperdown , Australia
| | - Katie Wood
- a NHMRC Centre for Excellence in Mental Health and Substance Use, Discipline of Addiction Medicine , The University of Sydney , Sydney , Australia
| | - Paul S Haber
- a NHMRC Centre for Excellence in Mental Health and Substance Use, Discipline of Addiction Medicine , The University of Sydney , Sydney , Australia.,c Drug Health Services , Royal Prince Alfred Hospital , Camperdown , Australia
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The neuroprotective effect of memantine on methamphetamine-induced cognitive deficits. Behav Brain Res 2017; 323:133-140. [DOI: 10.1016/j.bbr.2017.01.042] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Revised: 12/12/2016] [Accepted: 01/25/2017] [Indexed: 11/20/2022]
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Current understanding of methamphetamine-associated dopaminergic neurodegeneration and psychotoxic behaviors. Arch Pharm Res 2017; 40:403-428. [DOI: 10.1007/s12272-017-0897-y] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2016] [Accepted: 12/02/2016] [Indexed: 12/21/2022]
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Effects of chronic methamphetamine on psychomotor and cognitive functions and dopamine signaling in the brain. Behav Brain Res 2016; 320:282-290. [PMID: 27993694 DOI: 10.1016/j.bbr.2016.12.010] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Revised: 12/06/2016] [Accepted: 12/08/2016] [Indexed: 11/23/2022]
Abstract
Methamphetamine (MA) studies in animals usually involve acute, binge, or short-term exposure to the drug. However, addicts take substantial amounts of MA for extended periods of time. Here we wished to study the effects of MA exposure on brain and behavior, using an animal model analogous to this pattern of MA intake. MA doses, 4 and 8mg/kg/day, were based on previously reported average daily freely available MA self-administration levels. We examined the effects of 16 week MA treatment on psychomotor and cognitive function in the rat using open field and novel object recognition tests and we studied the adaptations of the dopaminergic system, using in vitro and in vivo receptor imaging. We show that chronic MA treatment, at doses that correspond to the average daily freely available self-administration levels in the rat, disorganizes open field activity, impairs alert exploratory behavior and anxiety-like state, and downregulates dopamine transporter in the striatum. Under these treatment conditions, dopamine terminal functional integrity in the nucleus accumbens is also affected. In addition, lower dopamine D1 receptor binding density, and, to a smaller degree, lower dopamine D2 receptor binding density were observed. Potential mechanisms related to these alterations are discussed.
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Hodes A, Rosen H, Deutsch J, Lifschytz T, Einat H, Lichtstein D. Endogenous cardiac steroids in animal models of mania. Bipolar Disord 2016; 18:451-9. [PMID: 27393337 DOI: 10.1111/bdi.12413] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2015] [Revised: 05/25/2016] [Accepted: 06/04/2016] [Indexed: 11/29/2022]
Abstract
OBJECTIVES Bipolar disorder (BD) is a complex psychiatric disorder characterized by mania and depression. Alterations in brain Na(+) , K(+) -ATPase and cardiac steroids (CSs) have been detected in BD, raising the hypothesis of their involvement in this pathology. The present study investigated the behavioral and biochemical consequences of a reduction in endogenous brain CS activity in animal models of mania. METHODS Amphetamine (AMPH)-induced hyperactivity in BALB/c and black Swiss mice served as a model of mania. Behavior was evaluated in the open-field test in naïve mice or in mice treated with anti-ouabain antibodies. CS levels were determined by enzyme-linked immunosorbent assay (ELISA), using sensitive and specific anti-ouabain antibodies. Extracellular signal-regulated kinase (ERK) and protein kinase B (Akt) phosphorylation levels in the frontal cortex were determined by western blot analysis. RESULTS Administration of AMPH to BALB/c and black Swiss mice resulted in a marked increase in locomotor activity, accompanied by a threefold increase in brain CSs. The lowering of brain CSs by the administration of anti-ouabain antibodies prevented the hyperactivity and the increase in brain CS levels. AMPH caused an increase in phosphorylated ERK (p-ERK) and phosphorylated Akt (p-Akt) levels in the frontal cortex, which was significantly reduced by administration of the antibodies. A synthetic 'functional antagonist' of CSs, 4-(3'α-15'β-dihydroxy-5'β-estran-17'β-yl) furan-2-methyl alcohol, also resulted in attenuation of AMPH-induced hyperactivity. CONCLUSIONS These results are in accordance with the notion that malfunctioning of the Na(+) , K(+) -ATPase/CS system may be involved in the manifestation of mania and identify this system as a potential new target for drug development.
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Affiliation(s)
- Anastasia Hodes
- Department of Medical Neurobiology, Institute for Medical Research Israel-Canada, The Hebrew University-Hadassah Medical School, Jerusalem, Israel
| | - Haim Rosen
- Departments of Microbiology and Molecular Genetics, Institute for Medical Research Israel-Canada, The Hebrew University-Hadassah Medical School, Jerusalem, Israel
| | - Joseph Deutsch
- Institute for Drug Research, School of Pharmacy, The Hebrew University, Jerusalem, Israel
| | - Tzuri Lifschytz
- Department of Psychiatry, Hadassah Hospital, Jerusalem, Israel
| | - Haim Einat
- School of Behavioral Sciences, Tel Aviv-Yaffo Academic College, Tel-Aviv, Israel
| | - David Lichtstein
- Department of Medical Neurobiology, Institute for Medical Research Israel-Canada, The Hebrew University-Hadassah Medical School, Jerusalem, Israel
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Peters J, Scofield MD, Ghee SM, Heinsbroek JA, Reichel CM. Perirhinal Cortex mGlu5 Receptor Activation Reduces Relapse to Methamphetamine Seeking by Restoring Novelty Salience. Neuropsychopharmacology 2016; 41:1477-85. [PMID: 26365953 PMCID: PMC4832007 DOI: 10.1038/npp.2015.283] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2015] [Revised: 08/17/2015] [Accepted: 08/26/2015] [Indexed: 12/22/2022]
Abstract
Rats that have self-administered methamphetamine (meth) under long access, but not short access, conditions do not recognize novel objects. The perirhinal cortex is critical for novelty detection, and perirhinal metabotropic glutamate 5 receptors (mGlu5) are downregulated after long-access meth. The novel positive allosteric modulator (PAM) 1-(4-(2,4-difluorophenyl) piperazin-1-yl)-2-((4-fluorobenzyl)oxy)-ethanone, or DPFE, demonstrates improved solubility compared with other mGlu5 PAMs, thus allowing brain-site-specific pharmacological studies. Infusion of DPFE into perirhinal cortex restored novel object recognition in long-access meth rats. To investigate the impact of these cognitive enhancing effects on relapse, we tested the effects of DPFE infusions into perirhinal cortex on meth-seeking under two different test conditions. In the standard cue relapse test, perirhinal DPFE infusions did not alter meth-seeking in the presence of meth cues. However, in a novel cue relapse test, wherein animals were allowed to allocate responding between a novel cue and meth-conditioned cue, perirhinal DPFE infusions shifted the pattern of responding in long-access rats toward a profile resembling short-access rats, which respond equally for novel and meth cues. Perirhinal mGlu5 are thus a promising pharmacological target for the restoration of cognitive function in meth addicts. Targeting these receptors may also reduce relapse, particularly in situations where novel stimuli compete with conditioned stimuli for control over meth seeking.
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Affiliation(s)
- Jamie Peters
- Department of Neurosciences, Medical University of South Carolina, Charleston, SC, USA
| | - Michael D Scofield
- Department of Neurosciences, Medical University of South Carolina, Charleston, SC, USA
| | - Shannon M Ghee
- Department of Neurosciences, Medical University of South Carolina, Charleston, SC, USA
| | - Jasper A Heinsbroek
- Department of Neurosciences, Medical University of South Carolina, Charleston, SC, USA
| | - Carmela M Reichel
- Department of Neurosciences, Medical University of South Carolina, Charleston, SC, USA,Department of Neurosciences, Medical University of South Carolina, 173 Ashley Avenue, Charleston, SC 29425, USA, Tel: +1 843 792 2487, Fax: +1 843 792 4423, E-mail:
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González B, Rivero-Echeto C, Muñiz JA, Cadet JL, García-Rill E, Urbano FJ, Bisagno V. Methamphetamine blunts Ca(2+) currents and excitatory synaptic transmission through D1/5 receptor-mediated mechanisms in the mouse medial prefrontal cortex. Addict Biol 2016; 21:589-602. [PMID: 25871318 DOI: 10.1111/adb.12249] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Psychostimulant addiction is associated with dysfunctions in frontal cortex. Previous data demonstrated that repeated exposure to methamphetamine (METH) can alter prefrontal cortex (PFC)-dependent functions. Here, we show that withdrawal from repetitive non-contingent METH administration (7 days, 1 mg/kg) depressed voltage-dependent calcium currents (ICa ) and increased hyperpolarization-activated cation current (IH ) amplitude and the paired-pulse ratio of evoked excitatory postsynaptic currents (EPSCs) in deep-layer pyramidal mPFC neurons. Most of these effects were blocked by systemic co-administration of the D1/D5 receptor antagonist SCH23390 (0.5 and 0.05 mg/kg). In vitro METH (i.e. bath-applied to slices from naïve-treated animals) was able to emulate its systemic effects on ICa and evoked EPSCs paired-pulse ratio. We also provide evidence of altered mRNA expression of (1) voltage-gated calcium channels P/Q-type Cacna1a (Cav 2.1), N-type Cacna1b (Cav 2.2), T-type Cav 3.1 Cacna1g, Cav 3.2 Cacna1h, Cav 3.3 Cacna1i and the auxiliary subunit Cacna2d1 (α2δ1); (2) hyperpolarization-activated cyclic nucleotide-gated channels Hcn1 and Hcn2; and (3) glutamate receptors subunits AMPA-type Gria1, NMDA-type Grin1 and metabotropic Grm1 in the mouse mPFC after repeated METH treatment. Moreover, we show that some of these changes in mRNA expression were sensitive D1/5 receptor blockade. Altogether, these altered mechanisms affecting synaptic physiology and transcriptional regulation may underlie PFC functional alterations that could lead to PFC impairments observed in METH-addicted individuals.
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Affiliation(s)
- Betina González
- Instituto de Investigaciones Farmacológicas; Universidad de Buenos Aires-Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
| | - Celeste Rivero-Echeto
- Laboratorio de Fisiología y Biología Molecular; Instituto de Fisiología, Biología Molecular y Neurociencias; Departamento de Fisiología, Biología Molecular y Celular ‘Dr. Hector Maldonado’ (DFBMC); Universidad de Buenos Aires-Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
| | - Javier A. Muñiz
- Instituto de Investigaciones Farmacológicas; Universidad de Buenos Aires-Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
| | - Jean Lud Cadet
- Molecular Neuropsychiatry Research Branch; NIH/NIDA Intramural Research Program; Baltimore MD USA
| | - Edgar García-Rill
- Center for Translational Neuroscience; Department of Neurobiology and Developmental Sciences; University of Arkansas for Medical Sciences; Little Rock AR USA
| | - Francisco J. Urbano
- Laboratorio de Fisiología y Biología Molecular; Instituto de Fisiología, Biología Molecular y Neurociencias; Departamento de Fisiología, Biología Molecular y Celular ‘Dr. Hector Maldonado’ (DFBMC); Universidad de Buenos Aires-Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
| | - Verónica Bisagno
- Instituto de Investigaciones Farmacológicas; Universidad de Buenos Aires-Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
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Early life adversities or high fat diet intake reduce cognitive function and alter BDNF signaling in adult rats: Interplay of these factors changes these effects. Int J Dev Neurosci 2016; 50:16-25. [DOI: 10.1016/j.ijdevneu.2016.03.001] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2015] [Revised: 02/01/2016] [Indexed: 01/09/2023] Open
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Cognitive enhancers versus addictive psychostimulants: The good and bad side of dopamine on prefrontal cortical circuits. Pharmacol Res 2016; 109:108-18. [PMID: 26826399 DOI: 10.1016/j.phrs.2016.01.013] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/24/2015] [Revised: 01/14/2016] [Accepted: 01/15/2016] [Indexed: 12/19/2022]
Abstract
In this review we describe how highly addictive psychostimulants such as cocaine and methamphetamine actions might underlie hypoexcitabilty in frontal cortical areas observed in clinical and preclinical models of psychostimulant abuse. We discuss new mechanisms that describe how increments on synaptic dopamine release are linked to reduce calcium influx in both pre and postsynaptic compartments on medial PFC networks, therefore modulating synaptic integration and information. Sustained DA neuromodulation by addictive psychostimulants can "lock" frontal cortical networks in deficient states. On the other hand, other psychostimulants such as modafinil and methylphenidate are considered pharmacological neuroenhancement agents that are popular among healthy people seeking neuroenhancement. More clinical and preclinical research is needed to further clarify mechanisms of actions and physiological effects of cognitive enhancers which show an opposite pattern compared to chronic effect of addictive psychostimulants: they appear to increase cortical excitability. In conclusion, studies summarized here suggest that there is frontal cortex hypoactivity and deficient inhibitory control in drug-addicted individuals. Thus, additional research on physiological effects of cognitive enhancers like modafinil and methylphenidate seems necessary in order to expand current knowledge on mechanisms behind their therapeutic role in the treatment of addiction and other neuropsychiatric disorders.
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Son JS, Jeong YC, Kwon YB. Regulatory effect of bee venom on methamphetamine-induced cellular activities in prefrontal cortex and nucleus accumbens in mice. Biol Pharm Bull 2015; 38:48-52. [PMID: 25744457 DOI: 10.1248/bpb.b14-00539] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Our previous studies demonstrated that subcutaneous injection of bee venom (BV) into the Zusanli (ST36) acupuncture point, namely BV acupuncture, dose-dependently prevents conditioned place preference (CPP) induced by repeated injection of methamphetamine (METH) in mice. To expand on our observations, the present study was designed to determine the suppressive mechanisms of BV acupuncture in the development of METH-induced CPP by evaluating the changes in expression of ΔFosB, phosphorylated extracellular signal-regulated kinase 1/2 (pERK), and phosphorylated calcium/calmodulin-dependent protein kinase type II (pCaMKII) in the prefrontal cortex (PFC) and nucleus accumbens (NAc) in mice. Pre-emptive treatment with BV at 30 min before repeated METH injection completely suppressed acquisition of CPP at the day 7 test session. METH-induced upregulation of ΔFosB and pERK in PFC and NAc was significantly reduced by BV pretreatment. Expression of pCaMKII was significantly elevated by METH in NAc and reduced in PFC. BV pretreatment reversed the changes of pCaMKII expression in PFC and NAc. These findings suggest that BV acupuncture may exert a suppressive effect on METH-induced addiction via regulation of signaling cascades of ΔFosB, ERK, and CaMKII in PFC and NAc.
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Affiliation(s)
- Ji Seon Son
- Department of Anesthesiology and Pain Medicine, Chonbuk National University Medical School
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Sun WL, Quizon PM, Zhu J. Molecular Mechanism: ERK Signaling, Drug Addiction, and Behavioral Effects. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2015; 137:1-40. [PMID: 26809997 DOI: 10.1016/bs.pmbts.2015.10.017] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Addiction to psychostimulants has been considered as a chronic psychiatric disorder characterized by craving and compulsive drug seeking and use. Over the past two decades, accumulating evidence has demonstrated that repeated drug exposure causes long-lasting neurochemical and cellular changes that result in enduring neuroadaptation in brain circuitry and underlie compulsive drug consumption and relapse. Through intercellular signaling cascades, drugs of abuse induce remodeling in the rewarding circuitry that contributes to the neuroplasticity of learning and memory associated with addiction. Here, we review the role of the extracellular signal-regulated kinase (ERK), a member of the mitogen-activated protein kinase, and its related intracellular signaling pathways in drug-induced neuroadaptive changes that are associated with drug-mediated psychomotor activity, rewarding properties and relapse of drug seeking behaviors. We also discuss the neurobiological and behavioral effects of pharmacological and genetic interferences with ERK-associated molecular cascades in response to abused substances. Understanding the dynamic modulation of ERK signaling in response to drugs may provide novel molecular targets for therapeutic strategies to drug addiction.
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Affiliation(s)
- Wei-Lun Sun
- Department of Drug Discovery and Biomedical Sciences, South Carolina College of Pharmacy, University of South Carolina, Columbia, South Carolina, USA
| | - Pamela M Quizon
- Department of Drug Discovery and Biomedical Sciences, South Carolina College of Pharmacy, University of South Carolina, Columbia, South Carolina, USA
| | - Jun Zhu
- Department of Drug Discovery and Biomedical Sciences, South Carolina College of Pharmacy, University of South Carolina, Columbia, South Carolina, USA.
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Urbano FJ, Bisagno V, González B, Celeste Rivero-Echeto M, Muñiz JA, Luster B, D'Onofrio S, Mahaffey S, Garcia-Rill E. Pedunculopontine arousal system physiology-Effects of psychostimulant abuse. ACTA ACUST UNITED AC 2015; 8:162-8. [PMID: 26779323 PMCID: PMC4688579 DOI: 10.1016/j.slsci.2015.09.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2015] [Revised: 09/21/2015] [Accepted: 09/25/2015] [Indexed: 01/26/2023]
Abstract
This review describes the interactions between the pedunculopontine nucleus (PPN), the ventral tegmental area (VTA), and the thalamocortical system. Experiments using modulators of cholinergic receptors in the PPN clarified its role on psychostimulant-induced locomotion. PPN activation was found to be involved in the animal’s voluntary search for psychostimulants. Every PPN neuron is known to generate gamma band oscillations. Voltage-gated calcium channels are key elements in the generation and maintenance of gamma band activity of PPN neurons. Calcium channels are also key elements mediating psychostimulant-induced alterations in the thalamic targets of PPN output. Thus, the PPN is a key substrate for maintaining arousal and REM sleep, but also in modulating psychostimulant self-administration.
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Affiliation(s)
- Francisco J Urbano
- Center for Translational Neuroscience, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Verónica Bisagno
- IFIBYNE-CONICET, ININFA-CONICET, University of Buenos Aires, Argentina
| | - Betina González
- IFIBYNE-CONICET, ININFA-CONICET, University of Buenos Aires, Argentina
| | | | - Javier A Muñiz
- IFIBYNE-CONICET, ININFA-CONICET, University of Buenos Aires, Argentina
| | - Brennon Luster
- Center for Translational Neuroscience, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Stasia D'Onofrio
- Center for Translational Neuroscience, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Susan Mahaffey
- Center for Translational Neuroscience, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Edgar Garcia-Rill
- Center for Translational Neuroscience, University of Arkansas for Medical Sciences, Little Rock, AR, USA
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Lipinska G, Timol R, Thomas KGF. The implications of sleep disruption for cognitive and affective processing in methamphetamine abuse. Med Hypotheses 2015; 85:914-21. [PMID: 26384529 DOI: 10.1016/j.mehy.2015.09.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Revised: 09/01/2015] [Accepted: 09/09/2015] [Indexed: 11/25/2022]
Abstract
Sleep is disrupted during active use of methamphetamine (MA), during withdrawal from the drug, and during abstinence from its use. However, relatively little is known about possible mediatory functions of disrupted sleep in the emergence, manifestation, and maintenance of cognitive and affective symptoms of MA abuse. We hypothesise that sleep functions as a mediator for stimulant drug effects. Specifically, we propose that objectively-measured sleep parameters can be used to explain some of the variability in the experience and presentation of memory deficits and emotion dysregulation in MA abusers. After describing how important healthy sleep is to unimpaired cognitive and affective functioning, we review literature describing how sleep is disrupted in MA abuse. Then, we provide a conceptual framework for our hypothesis by explaining the relationship between MA abuse, sleep disruption, memory deficits, emotion dysregulation, and changes in reward-related brain networks. We conclude by discussing implications of the hypothesis for research and treatment.
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Affiliation(s)
- Gosia Lipinska
- ACSENT Laboratory, Department of Psychology, University of Cape Town, South Africa
| | - Ridwana Timol
- ACSENT Laboratory, Department of Psychology, University of Cape Town, South Africa
| | - Kevin G F Thomas
- ACSENT Laboratory, Department of Psychology, University of Cape Town, South Africa.
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Ibudilast reverses the decrease in the synaptic signaling protein phosphatidylethanolamine-binding protein 1 (PEBP1) produced by chronic methamphetamine intake in rats. Drug Alcohol Depend 2015; 152:15-23. [PMID: 25962787 DOI: 10.1016/j.drugalcdep.2015.04.012] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2015] [Revised: 04/17/2015] [Accepted: 04/17/2015] [Indexed: 11/21/2022]
Abstract
BACKGROUND Chronic methamphetamine intake has been shown to induce a neuroinflammatory state leading to significant changes in brain functioning including behavioral changes. These changes can persist for years after drug use is discontinued and likely contribute to the risk of relapse. A better understanding of inflammation responses associated with methamphetamine intake may help in designing novel and more efficacious treatment strategies. METHODS Rats were trained to self-administer methamphetamine or saline on a variable ratio 3 schedule of reinforcement (25 days). This training was followed by 12 days of extinction (i.e., methamphetamine unavailable) during which rats received daily post-session administration of ibudilast (AV411; 2.5 or 7.5mg/kg) or saline. Following extinction, synaptosomes were isolated from the prefrontal cortex (PFC) and the differential pattern of synaptic proteins was assessed using mass spectrometry based proteomics. RESULTS Treatment with ibudilast allowed for deeper extinction of active lever pressing. Quantitative mass spectrometry based proteomics on the PFC identified one potential hit; the synaptic signaling protein phosphatidylethanolamine-binding protein 1 (PEBP1). While methamphetamine intake was associated with reduced PEBP1 protein levels, treatment with ibudilast reversed this effect. Furthermore, decreased PEBP1 expression was correlated with subsequent activation of Raf-1, MEK, and ERK signaling components of the mitogen-activated protein kinase cascade (MAPK). Raf-1, MEK, and ERK expression levels were also attenuated by ibudilast treatment. CONCLUSION PEBP1, given its synaptic localization and its role as a signaling molecule acting via the ERK/MAPK pathway, could be a potential therapeutic target mediating drug-seeking behaviors associated with neuroinflammation.
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Braren SH, Drapala D, Tulloch IK, Serrano PA. Methamphetamine-induced short-term increase and long-term decrease in spatial working memory affects protein Kinase M zeta (PKMζ), dopamine, and glutamate receptors. Front Behav Neurosci 2014; 8:438. [PMID: 25566006 PMCID: PMC4270177 DOI: 10.3389/fnbeh.2014.00438] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2014] [Accepted: 12/02/2014] [Indexed: 12/22/2022] Open
Abstract
Methamphetamine (MA) is a toxic, addictive drug shown to modulate learning and memory, yet the neural mechanisms are not fully understood. We investigated the effects of 2 weekly injections of MA (30 mg/kg) on working memory using the radial 8-arm maze (RAM) across 5 weeks in adolescent-age mice. MA-treated mice show a significant improvement in working memory performance 1 week following the first MA injection compared to saline-injected controls. Following 5 weeks of MA abstinence mice were re-trained on a reference and working memory version of the RAM to assess cognitive flexibility. MA-treated mice show significantly more working memory errors without effects on reference memory performance. The hippocampus and dorsal striatum were assessed for expression of glutamate receptors subunits, GluA2 and GluN2B; dopamine markers, dopamine 1 receptor (D1), dopamine transporter (DAT) and tyrosine hydroxylase (TH); and memory markers, protein kinase M zeta (PKMζ) and protein kinase C zeta (PKCζ). Within the hippocampus, PKMζ and GluA2 are both significantly reduced after MA supporting the poor memory performance. Additionally, a significant increase in GluN2B and decrease in D1 identifies dysregulated synaptic function. In the striatum, MA treatment increased cytosolic DAT and TH levels associated with dopamine hyperfunction. MA treatment significantly reduced GluN2B while increasing both PKMζ and PKCζ within the striatum. We discuss the potential role of PKMζ/PKCζ in modulating dopamine and glutamate receptors after MA treatment. These results identify potential underlying mechanisms for working memory deficits induced by MA.
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Affiliation(s)
- Stephen H Braren
- Department of Psychology, Hunter College, City University of New York New York, NY, USA
| | - Damian Drapala
- Department of Psychology, Hunter College, City University of New York New York, NY, USA
| | - Ingrid K Tulloch
- Department of Psychology, Stevenson University Baltimore, MD, USA
| | - Peter A Serrano
- Department of Psychology, Hunter College, City University of New York New York, NY, USA ; Department of Psychology, The Graduate Center, City University of New York New York, NY, USA
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Raineri M, González B, Rivero-Echeto C, Muñiz JA, Gutiérrez ML, Ghanem CI, Cadet JL, García-Rill E, Urbano FJ, Bisagno V. Differential effects of environment-induced changes in body temperature on modafinil's actions against methamphetamine-induced striatal toxicity in mice. Neurotox Res 2014; 27:71-83. [PMID: 25261212 DOI: 10.1007/s12640-014-9493-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2014] [Revised: 09/18/2014] [Accepted: 09/22/2014] [Indexed: 12/20/2022]
Abstract
Methamphetamine (METH) exposure can produce hyperthermia that might lead to toxicity and death. Modafinil is a wake-promoting compound that is also been prescribed off-label to treat METH dependence. Modafinil has shown neuroprotective properties against METH harmful effects in animal models. The goal of the present study was to test if the prevention of hyperthermia might play a role on the neuroprotective actions of modafinil against METH toxicity using various ambient temperatures. METH was administered to female C57BL/6 mice in a binge regimen: 4 × 5 mg/kg, 2 h apart; modafinil (90 mg/kg) was injected twice, 1 h before first and fourth METH injections. Drugs were given at cold ambient temperature (14 °C) or hot ambient temperature (29 °C). Body temperature was measured during treatments. Brains were dissected out 6 days after treatments and processed for tyrosine hydroxylase (TH), dopamine transporter (DAT), GFAP and c-Fos immunohistochemistry. Exposure to hot ambient temperature exacerbated METH toxicity evidenced by striatal reductions in TH and DAT and increased GFAP immmunoreactivity. Modafinil counteracted reductions in TH and DAT, but failed to block astroglial activation. At both ambient temperatures tested modafinil did induce increments in GFAP, but the magnitude was significantly lower than the one induced by METH. Both drugs induced increases in c-Fos positive nuclei; modafinil did not block this effect. Our results suggest that protective effects of modafinil against METH-induced neurotoxicity may be dependent, in part, to its hypothermic effects. Nevertheless, modafinil maintained some protective properties on METH-induced alterations in the striatum at different ambient temperatures.
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Affiliation(s)
- Mariana Raineri
- Instituto de Investigaciones Farmacológicas, Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (ININFA-UBA-CONICET), Ciudad Autónoma de Buenos Aires, Junín 956, piso 5, C1113, Buenos Aires, Argentina
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