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Wang S, Yu X, Cheng L, Ren W, Wen G, Wu X, Lou H, Ren X, Lu L, Hermenean A, Yao J, Li B, Lu Y, Wu X. Dexmedetomidine improves the circulatory dysfunction of the glymphatic system induced by sevoflurane through the PI3K/AKT/ΔFosB/AQP4 pathway in young mice. Cell Death Dis 2024; 15:448. [PMID: 38918408 PMCID: PMC11199640 DOI: 10.1038/s41419-024-06845-w] [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: 01/18/2024] [Revised: 06/16/2024] [Accepted: 06/18/2024] [Indexed: 06/27/2024]
Abstract
Multiple sevoflurane exposures may damage the developing brain. The neuroprotective function of dexmedetomidine has been widely confirmed in animal experiments and human studies. However, the effect of dexmedetomidine on the glymphatic system has not been clearly studied. We hypothesized that dexmedetomidine could alleviate sevoflurane-induced circulatory dysfunction of the glymphatic system in young mice. Six-day-old C57BL/6 mice were exposed to 3% sevoflurane for 2 h daily, continuously for 3 days. Intraperitoneal injection of either normal saline or dexmedetomidine was administered before every anaesthesia. Meanwhile the circulatory function of glymphatic system was detected by tracer injection at P8 and P32. On P30-P32, behavior tests including open field test, novel object recognition test, and Y-maze test were conducted. Primary astrocyte cultures were established and treated with the PI3K activator 740Y-P, dexmedetomidine, and small interfering RNA (siRNA) to silence ΔFosB. We propose for the first time that multiple exposure to sevoflurane induces circulatory dysfunction of the glymphatic system in young mice. Dexmedetomidine improves the circulatory capacity of the glymphatic system in young mice following repeated exposure to sevoflurane through the PI3K/AKT/ΔFosB/AQP4 signaling pathway, and enhances their long-term learning and working memory abilities.
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Affiliation(s)
- Shuying Wang
- School of Forensic Medicine, China Medical University, Shenyang, China
- Department of Anaesthesiology, The First Hospital of China Medical University, Shenyang, China
| | - Xiaojin Yu
- School of Forensic Medicine, China Medical University, Shenyang, China
- Department of Anaesthesiology, Affiliated Shengjing Hospital of China Medical University, Shenyang, China
| | - Lili Cheng
- School of Forensic Medicine, China Medical University, Shenyang, China
- Department of Anaesthesiology, Affiliated Shengjing Hospital of China Medical University, Shenyang, China
| | - Weishu Ren
- School of Forensic Medicine, China Medical University, Shenyang, China
| | - Gehua Wen
- School of Forensic Medicine, China Medical University, Shenyang, China
| | - Xue Wu
- School of Forensic Medicine, China Medical University, Shenyang, China
| | - Haoyang Lou
- School of Forensic Medicine, China Medical University, Shenyang, China
| | - Xinghua Ren
- School of Forensic Medicine, China Medical University, Shenyang, China
| | - Lei Lu
- Department of pediatrics Neonatology, University of Chicago, Chicago, IL, 60615, USA
| | - Anca Hermenean
- Faculty of Medicine, Vasile Goldis Western University of Arad, Arad, Romania
| | - Jun Yao
- School of Forensic Medicine, China Medical University, Shenyang, China
- Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, Shenyang, China
- China Medical University Center of Forensic Investigation, Shenyang, China
| | - Baoman Li
- School of Forensic Medicine, China Medical University, Shenyang, China.
- Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, Shenyang, China.
- China Medical University Center of Forensic Investigation, Shenyang, China.
| | - Yan Lu
- Key Laboratory of Health Ministry in Congenital Malformation, Affiliated Shengjing Hospital of China Medical University, Shenyang, China.
| | - Xu Wu
- School of Forensic Medicine, China Medical University, Shenyang, China.
- Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, Shenyang, China.
- China Medical University Center of Forensic Investigation, Shenyang, China.
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Sun Y, Prabhu P, Li D, McIntosh S, Rahman I. Vaping: Public Health, Social Media, and Toxicity. Online J Public Health Inform 2024; 16:e53245. [PMID: 38602734 PMCID: PMC11046396 DOI: 10.2196/53245] [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: 09/30/2023] [Revised: 12/26/2023] [Accepted: 03/08/2024] [Indexed: 04/12/2024] Open
Abstract
This viewpoint aims to provide a comprehensive understanding of vaping from various perspectives that contribute to the invention, development, spread, and consequences of e-cigarette products and vaping. Our analysis showed that the specific characteristics of e-cigarette products as well as marketing strategies, especially social media marketing, fostered the spread of vaping and the subsequent effects on human health and toxicity. We analyzed the components of e-cigarette devices and e-liquids, including the latest variants whose impacts were often overlooked. The different forms of nicotine, including salts and freebase nicotine, tobacco-derived nicotine, tobacco-free nicotine, and cooling agents (WS3 and WS23), have brought more choices for vapers along with more ways for e-cigarette manufacturers to advertise false understandings and present a greater threat to vapers' health. Our work emphasized the products of brands that have gained significant influence recently, which are contributing to severe public health issues. On the other hand, we also discussed in detail the toxicity of e-liquid components and proposed a toxicity mechanism. We also noticed that nicotine and other chemicals in e-liquids promote each other's negative effects through the oxidative stress and inflammatory nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) pathway, a mechanism leading to pulmonary symptoms and addiction. The impact of government regulations on the products themselves, including flavor bans or regulations, has been limited. Therefore, we proposed further interventions or harm reduction strategies from a public health perspective.
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Affiliation(s)
- Yehao Sun
- Department of Environmental Medicine, University of Rochester Medical Center, Rochester, NY, United States
| | - Prital Prabhu
- Department of Environmental Medicine, University of Rochester Medical Center, Rochester, NY, United States
| | - Dongmei Li
- Department of Clinical & Translational Research, University of Rochester Medical Center, Rochester, NY, United States
| | - Scott McIntosh
- Department of Public Health Sciences, University of Rochester Medical Center, Rochester, NY, United States
| | - Irfan Rahman
- Department of Environmental Medicine, University of Rochester Medical Center, Rochester, NY, United States
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3
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Liu X, Wang F, Le Q, Ma L. Cellular and molecular basis of drug addiction: The role of neuronal ensembles in addiction. Curr Opin Neurobiol 2023; 83:102813. [PMID: 37972536 DOI: 10.1016/j.conb.2023.102813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 10/25/2023] [Accepted: 10/25/2023] [Indexed: 11/19/2023]
Abstract
Addiction has been conceptualized as a disease of learning and memory. Learned associations between environmental cues and unconditioned rewards induced by drug administration, which play a critical role in addiction, have been shown to be encoded in sparsely distributed populations of neurons called neuronal ensembles. This review aims to highlight how synaptic remodeling and alterations in signaling pathways that occur specifically in neuronal ensembles contribute to the pathogenesis of addiction. Furthermore, a causal link between transcriptional and epigenetic modifications in neuronal ensembles and the development of the addictive state is proposed. Translational studies of molecular and cellular changes in neuronal ensembles that contribute to drug-seeking behavior, will allow the identification of molecular and circuit targets and interventions for substance use disorders.
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Affiliation(s)
- Xing Liu
- School of Basic Medical Sciences, State Key Laboratory of Medical Neurobiology, MOE Frontiers Center for Brain Science, Institutes of Brain Science, and Department of Neurology, Huashan Hospital, Fudan University, Shanghai, China; Research Unit of Addiction Memory, Chinese Academy of Medical Sciences (2021RU009), Shanghai, China
| | - Feifei Wang
- School of Basic Medical Sciences, State Key Laboratory of Medical Neurobiology, MOE Frontiers Center for Brain Science, Institutes of Brain Science, and Department of Neurology, Huashan Hospital, Fudan University, Shanghai, China; Research Unit of Addiction Memory, Chinese Academy of Medical Sciences (2021RU009), Shanghai, China.
| | - Qiumin Le
- School of Basic Medical Sciences, State Key Laboratory of Medical Neurobiology, MOE Frontiers Center for Brain Science, Institutes of Brain Science, and Department of Neurology, Huashan Hospital, Fudan University, Shanghai, China; Research Unit of Addiction Memory, Chinese Academy of Medical Sciences (2021RU009), Shanghai, China
| | - Lan Ma
- School of Basic Medical Sciences, State Key Laboratory of Medical Neurobiology, MOE Frontiers Center for Brain Science, Institutes of Brain Science, and Department of Neurology, Huashan Hospital, Fudan University, Shanghai, China; Research Unit of Addiction Memory, Chinese Academy of Medical Sciences (2021RU009), Shanghai, China
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4
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Koebele SV, Bernaud VE, Northup-Smith SN, Willeman MN, Strouse IM, Bulen HL, Schrier AR, Newbern JM, DeNardo DF, Mayer LP, Dyer CA, Bimonte-Nelson HA. Gynecological surgery in adulthood imparts cognitive and brain changes in rats: A focus on hysterectomy at short-, moderate-, and long-term intervals after surgery. Horm Behav 2023; 155:105411. [PMID: 37659358 PMCID: PMC11060888 DOI: 10.1016/j.yhbeh.2023.105411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 07/11/2023] [Accepted: 08/08/2023] [Indexed: 09/04/2023]
Abstract
Premenopausal hysterectomy is associated with a greater relative risk of dementia. We previously demonstrated cognitive impairments in adult rats six weeks after hysterectomy with ovarian conservation compared with intact sham-controls and other gynecological surgery variations. Here, we investigated whether hysterectomy-induced cognitive impairments are transient or persistent. Adult rats received sham-control, ovariectomy (Ovx), hysterectomy, or Ovx-hysterectomy surgery. Spatial working memory, reference memory, and anxiety-like behavior were tested either six-weeks post-surgery, in adulthood; seven-months post-surgery, in early middle-age; or twelve-months post-surgery, in late middle-age. Hysterectomy in adulthood yielded spatial working memory deficits at short-, moderate-, and long-term post-surgery intervals. Serum hormone levels did not differ between ovary-intact, but differed from Ovx, groups. Hysterectomy had no significant impact on healthy ovarian follicle or corpora lutea counts for any post-surgery timepoint compared with intact sham-controls. Frontal cortex, dorsal hippocampus, and entorhinal cortex were assessed for activity-dependent markers. In entorhinal cortex, there were alterations in FOSB and ΔFOSB expression during the early middle-age timepoint, and phosphorylated ERK1/2 levels at the adult timepoint. Collectively, results suggest a primary role for the uterus in regulating cognition, and that memory-related neural pathways may be modified following gynecological surgery. This is the first preclinical report of long-term effects of hysterectomy with and without ovarian conservation on cognition, endocrine, ovarian, and brain assessments, initiating a comprehensive framework of gynecological surgery effects. Translationally, findings underscore critical needs to decipher how gynecological surgeries, especially those involving the uterus, impact the brain and its functions, the ovaries, and overall aging from a systems perspective.
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Affiliation(s)
- Stephanie V Koebele
- Department of Psychology, Arizona State University, Tempe, AZ 85287, USA; Arizona Alzheimer's Consortium, 4745 N 7th St, Phoenix, AZ 85014, USA
| | - Victoria E Bernaud
- Department of Psychology, Arizona State University, Tempe, AZ 85287, USA; Arizona Alzheimer's Consortium, 4745 N 7th St, Phoenix, AZ 85014, USA
| | - Steven N Northup-Smith
- Department of Psychology, Arizona State University, Tempe, AZ 85287, USA; Arizona Alzheimer's Consortium, 4745 N 7th St, Phoenix, AZ 85014, USA
| | - Mari N Willeman
- Department of Psychology, Arizona State University, Tempe, AZ 85287, USA; Arizona Alzheimer's Consortium, 4745 N 7th St, Phoenix, AZ 85014, USA
| | - Isabel M Strouse
- Department of Psychology, Arizona State University, Tempe, AZ 85287, USA; Arizona Alzheimer's Consortium, 4745 N 7th St, Phoenix, AZ 85014, USA
| | - Haidyn L Bulen
- Department of Psychology, Arizona State University, Tempe, AZ 85287, USA; Arizona Alzheimer's Consortium, 4745 N 7th St, Phoenix, AZ 85014, USA
| | - Ally R Schrier
- Department of Psychology, Arizona State University, Tempe, AZ 85287, USA; Arizona Alzheimer's Consortium, 4745 N 7th St, Phoenix, AZ 85014, USA
| | - Jason M Newbern
- School of Life Sciences, Arizona State University, Tempe, AZ 85287, USA
| | - Dale F DeNardo
- School of Life Sciences, Arizona State University, Tempe, AZ 85287, USA
| | | | | | - Heather A Bimonte-Nelson
- Department of Psychology, Arizona State University, Tempe, AZ 85287, USA; Arizona Alzheimer's Consortium, 4745 N 7th St, Phoenix, AZ 85014, USA.
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Holloway KN, Pinson MR, Douglas JC, Rafferty TM, Kane CJM, Miranda RC, Drew PD. Cerebellar Transcriptomic Analysis in a Chronic plus Binge Mouse Model of Alcohol Use Disorder Demonstrates Ethanol-Induced Neuroinflammation and Altered Glial Gene Expression. Cells 2023; 12:745. [PMID: 36899881 PMCID: PMC10000476 DOI: 10.3390/cells12050745] [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: 01/16/2023] [Revised: 02/21/2023] [Accepted: 02/24/2023] [Indexed: 03/02/2023] Open
Abstract
Alcohol use disorder (AUD) is one of the most common preventable mental health disorders and can result in pathology within the CNS, including the cerebellum. Cerebellar alcohol exposure during adulthood has been associated with disruptions in proper cerebellar function. However, the mechanisms regulating ethanol-induced cerebellar neuropathology are not well understood. High-throughput next generation sequencing was performed to compare control versus ethanol-treated adult C57BL/6J mice in a chronic plus binge model of AUD. Mice were euthanized, cerebella were microdissected, and RNA was isolated and submitted for RNA-sequencing. Down-stream transcriptomic analyses revealed significant changes in gene expression and global biological pathways in control versus ethanol-treated mice that included pathogen-influenced signaling pathways and cellular immune response pathways. Microglial-associated genes showed a decrease in homeostasis-associated transcripts and an increase in transcripts associated with chronic neurodegenerative diseases, while astrocyte-associated genes showed an increase in transcripts associated with acute injury. Oligodendrocyte lineage cell genes showed a decrease in transcripts associated with both immature progenitors as well as myelinating oligodendrocytes. These data provide new insight into the mechanisms by which ethanol induces cerebellar neuropathology and alterations to the immune response in AUD.
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Affiliation(s)
- Kalee N. Holloway
- Department of Neurobiology and Developmental Sciences, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA; (K.N.H.); (J.C.D.); (T.M.R.); (C.J.M.K.)
| | - Marisa R. Pinson
- Department of Neuroscience and Experimental Therapeutics, Texas A&M University School of Medicine, Bryan, TX 77807, USA; (M.R.P.); (R.C.M.)
| | - James C. Douglas
- Department of Neurobiology and Developmental Sciences, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA; (K.N.H.); (J.C.D.); (T.M.R.); (C.J.M.K.)
| | - Tonya M. Rafferty
- Department of Neurobiology and Developmental Sciences, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA; (K.N.H.); (J.C.D.); (T.M.R.); (C.J.M.K.)
| | - Cynthia J. M. Kane
- Department of Neurobiology and Developmental Sciences, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA; (K.N.H.); (J.C.D.); (T.M.R.); (C.J.M.K.)
| | - Rajesh C. Miranda
- Department of Neuroscience and Experimental Therapeutics, Texas A&M University School of Medicine, Bryan, TX 77807, USA; (M.R.P.); (R.C.M.)
| | - Paul D. Drew
- Department of Neurobiology and Developmental Sciences, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA; (K.N.H.); (J.C.D.); (T.M.R.); (C.J.M.K.)
- Department of Neurology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
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6
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Omara-Reda H, Ouachikh O, Hamdi D, Lashin M, Hafidi A. Reinforcing effect of tramadol in the rat. Neurosci Lett 2023; 796:137053. [PMID: 36621588 DOI: 10.1016/j.neulet.2023.137053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Revised: 01/02/2023] [Accepted: 01/03/2023] [Indexed: 01/06/2023]
Abstract
Tramadol is one of the most commonly prescribed analgesic opioids in various pharmacopeias. Tramadol has been linked to abuse in recent clinical investigations. However, the behavioral effects and neural substrates of the drug have not been well characterized in preclinical studies. As a result, the present study investigated the effects of tramadol on behavioral sensitizations in rats. Its impacts on cellular and molecular alterations in the brain were also investigated. In conditioned place preference (CPP) paradigm, tramadol induced behavioral as well as motor sensitizations. These effects were dramatically reduced by intraperitoneal administration of naltrexone, an opioid receptor antagonist. Tramadol caused changes in several molecular markers (pERK1/2, Δ-FosB, PKCγ, PKMζ GAD67) in the anterior cingulate cortex, which could indicate an increase in excitation within this structure. Tramadol is demonstrated in the present study to be a reinforcing drug in rats, as it increased both behavioral and motor sensitizations. Tramadol's effects are most likely due to the high levels of excitation it causes in the brain, which is mostly caused by the activation of opioid receptors.
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Affiliation(s)
- Hend Omara-Reda
- Université Clermont Auvergne, CNRS, Clermont Auvergne INP, Institut Pascal, TGI, 63000 Clermont-Ferrand, France
| | - Omar Ouachikh
- Université Clermont Auvergne, CNRS, Clermont Auvergne INP, Institut Pascal, TGI, 63000 Clermont-Ferrand, France
| | - Dhouha Hamdi
- Université Clermont Auvergne, CNRS, Clermont Auvergne INP, Institut Pascal, TGI, 63000 Clermont-Ferrand, France
| | - Mohamed Lashin
- Université Clermont Auvergne, CNRS, Clermont Auvergne INP, Institut Pascal, TGI, 63000 Clermont-Ferrand, France
| | - Aziz Hafidi
- Université Clermont Auvergne, CNRS, Clermont Auvergne INP, Institut Pascal, TGI, 63000 Clermont-Ferrand, France.
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7
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Urban MM, Stingl MR, Meinhardt MW. Mini-review: The neurobiology of treating substance use disorders with classical psychedelics. Front Neurosci 2023; 17:1156319. [PMID: 37139521 PMCID: PMC10149865 DOI: 10.3389/fnins.2023.1156319] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 03/23/2023] [Indexed: 05/05/2023] Open
Abstract
The potential of psychedelics to persistently treat substance use disorders is known since the 1960s. However, the biological mechanisms responsible for their therapeutic effects have not yet been fully elucidated. While it is known that serotonergic hallucinogens induce changes in gene expression and neuroplasticity, particularly in prefrontal regions, theories on how specifically this counteracts the alterations that occur in neuronal circuitry throughout the course of addiction are largely unknown. This narrative mini-review endeavors to synthesize well-established knowledge from addiction research with findings and theories regarding the neurobiological effects of psychedelics to give an overview of the potential mechanisms that underlie the treatment of substance use disorders with classical hallucinogenic compounds and point out gaps in the current understanding.
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Affiliation(s)
- Marvin M. Urban
- Interdisciplinary Center for Neurosciences, University of Heidelberg, Heidelberg, Germany
- Department of Molecular and Cellular Biology, Harvard University, Cambridge, MA, United States
- *Correspondence: Marvin M. Urban,
| | - Moritz R. Stingl
- Interdisciplinary Center for Neurosciences, University of Heidelberg, Heidelberg, Germany
- Department of Molecular and Cellular Biology, Harvard University, Cambridge, MA, United States
| | - Marcus W. Meinhardt
- Institute of Psychopharmacology, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
- Department of Molecular Neuroimaging, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
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8
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Siddique R, Awan FM, Nabi G, Khan S, Xue M. Chronic jet lag-like conditions dysregulate molecular profiles of neurological disorders in nucleus accumbens and prefrontal cortex. Front Neuroinform 2022; 16:1031448. [PMID: 36582489 PMCID: PMC9792783 DOI: 10.3389/fninf.2022.1031448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 11/22/2022] [Indexed: 12/14/2022] Open
Abstract
Background Patients with neurological disorders often display altered circadian rhythms. The disrupted circadian rhythms through chronic jetlag or shiftwork are thought to increase the risk and severity of human disease including, cancer, psychiatric, and related brain diseases. Results In this study, we investigated the impact of shiftwork or chronic jetlag (CJL) like conditions on mice's brain. Transcriptome profiling based on RNA sequencing revealed that genes associated with serious neurological disorders were differentially expressed in the nucleus accumbens (NAc) and prefrontal cortex (PFC). According to the quantitative PCR (qPCR) analysis, several key regulatory genes associated with neurological disorders were significantly altered in the NAc, PFC, hypothalamus, hippocampus, and striatum. Serotonin levels and the expression levels of serotonin transporters and receptors were significantly altered in mice treated with CJL. Conclusion Overall, these results indicate that CJL may increase the risk of neurological disorders by disrupting the key regulatory genes, biological functions, serotonin, and corticosterone. These molecular linkages can further be studied to investigate the mechanism underlying CJL or shiftwork-mediated neurological disorders in order to develop treatment strategies.
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Affiliation(s)
- Rabeea Siddique
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China,Henan Medical Key Laboratory of Translational Cerebrovascular Diseases, Zhengzhou, Henan, China
| | - Faryal Mehwish Awan
- Department of Medical Lab Technology, The University of Haripur, Haripur, Pakistan
| | - Ghulam Nabi
- Institute of Nature Conservation, Polish Academy of Sciences, Kraków, Poland
| | - Suliman Khan
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China,Henan Medical Key Laboratory of Translational Cerebrovascular Diseases, Zhengzhou, Henan, China,Department of Medical Lab Technology, The University of Haripur, Haripur, Pakistan,*Correspondence: Suliman Khan, ;
| | - Mengzhou Xue
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China,Henan Medical Key Laboratory of Translational Cerebrovascular Diseases, Zhengzhou, Henan, China,Mengzhou Xue,
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Krapacher FA, Fernández‐Suárez D, Andersson A, Carrier‐Ruiz A, Ibáñez CF. Convergent dopamine and ALK4 signaling to PCBP1 controls FosB alternative splicing and cocaine behavioral sensitization. EMBO J 2022; 41:e110721. [PMID: 35730718 PMCID: PMC10545536 DOI: 10.15252/embj.2022110721] [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: 01/19/2022] [Accepted: 05/25/2022] [Indexed: 11/09/2022] Open
Abstract
ΔfosB is an alternatively spliced product of the FosB gene that is essential for dopamine-induced reward pathways and that acts as a master switch for addiction. However, the molecular mechanisms of its generation and regulation by dopamine signaling are unknown. Here, we report that dopamine D1 receptor signaling synergizes with the activin/ALK4/Smad3 pathway to potentiate the generation of ΔFosB mRNA in medium spiny neurons (MSNs) of the nucleus accumbens (NAc) via activation of the RNA-binding protein PCBP1, a regulator of mRNA splicing. Concurrent activation of PCBP1 and Smad3 by D1 and ALK4 signaling induced their interaction, nuclear translocation, and binding to sequences in exon-4 and intron-4 of FosB mRNA. Ablation of either ALK4 or PCBP1 in MSNs impaired ΔFosB mRNA induction and nuclear translocation of ΔFosB protein in response to repeated co-stimulation of D1 and ALK4 receptors. Finally, ALK4 is required in NAc MSNs of adult mice for behavioral sensitization to cocaine. These findings uncover an unexpected mechanism for ΔFosB generation and drug-induced sensitization through convergent dopamine and ALK4 signaling.
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Affiliation(s)
| | | | | | | | - Carlos F Ibáñez
- Department of NeuroscienceKarolinska InstituteStockholmSweden
- Peking‐Tsinghua Center for Life Sciences, PKU‐IDG/McGovern Institute for Brain ResearchPeking University School of Life SciencesBeijingChina
- Chinese Institute for Brain ResearchBeijingChina
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10
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Medina AC, Kabani A, Reyes-Vasquez C, Dafny N. Age differences to methylphenidate-NAc neuronal and behavioral recordings from freely behaving animals. J Neural Transm (Vienna) 2022; 129:1061-1076. [PMID: 35842551 DOI: 10.1007/s00702-022-02526-0] [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: 02/14/2022] [Accepted: 06/21/2022] [Indexed: 10/17/2022]
Abstract
Methylphenidate (MPD) is a psychostimulant that is widely prescribed to treat attention deficit-hyperactivity disorder, but it is abused recreationally as well. The nucleus accumbens (NAc) is part of the motivation circuit implicated in drug-seeking behaviors. The NAc neuronal activity was recorded alongside the behavioral activity from young and adult rats to determine if there are significant differences in the response to MPD. The same dose of MPD elicits behavioral sensitization in some animals and behavioral tolerance in others. In adult animals, higher doses of MPD resulted in a greater ratio of tolerance/sensitization. Animals who responded to chronic MPD with behavioral sensitization usually exhibited further increases in their NAc neuronal firing rates as well. Different upregulations of transcription factors (ΔFOSB/CREB), variable proportions of D1/D2 dopamine receptors, and modulation from other brain areas may predispose certain animals to express behavioral and neuronal sensitization versus tolerance to MPD.
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Affiliation(s)
- A C Medina
- Department of Neurobiology and Anatomy, University of Texas McGovern Medical School, Houston, TX, USA
| | - A Kabani
- Department of Neurobiology and Anatomy, University of Texas McGovern Medical School, Houston, TX, USA
| | - C Reyes-Vasquez
- Department of Neurobiology and Anatomy, University of Texas McGovern Medical School, Houston, TX, USA
| | - N Dafny
- Department of Neurobiology and Anatomy, University of Texas McGovern Medical School, Houston, TX, USA.
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11
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Sanna F, Serra MP, Boi M, Bratzu J, Poddighe L, Sanna F, Carta A, Corda MG, Giorgi O, Melis MR, Argiolas A, Quartu M. Neuroplastic changes in c-Fos, ΔFosB, BDNF, trkB, and Arc expression in the hippocampus of male Roman rats: differential effects of sexual activity. Hippocampus 2022; 32:529-551. [PMID: 35716117 PMCID: PMC9327517 DOI: 10.1002/hipo.23448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 05/07/2022] [Accepted: 05/21/2022] [Indexed: 11/28/2022]
Abstract
Sexual activity causes differential changes in the expression of markers of neural activation (c‐Fos and ΔFosB) and neural plasticity (Arc and BDNF/trkB), as determined either by Western Blot (BDNF, trkB, Arc, and ΔFosB) or immunohistochemistry (BDNF, trkB, Arc, and c‐Fos), in the hippocampus of male Roman high (RHA) and low avoidance (RLA) rats, two psychogenetically selected rat lines that display marked differences in sexual behavior (RHA rats exhibit higher sexual motivation and better copulatory performance than RLA rats). Both methods showed (with some differences) that sexual activity modifies the expression levels of these markers in the hippocampus of Roman rats depending on: (i) the level of sexual experience, that is, changes were usually more evident in sexually naïve than in experienced rats; (ii) the hippocampal partition, that is, BDNF and Arc increased in the dorsal but tended to decrease in the ventral hippocampus; (iii) the marker considered, that is, in sexually experienced animals BDNF, c‐Fos, and Arc levels were similar to those of controls, while ΔFosB levels increased; and (iv) the rat line, that is, changes were usually larger in RHA than RLA rats. These findings resemble those of early studies in RHA and RLA rats showing that sexual activity influences the expression of these markers in the nucleus accumbens, medial prefrontal cortex, and ventral tegmental area, and show for the first time that also in the hippocampus sexual activity induces neural activation and plasticity, events that occur mainly during the first phase of the acquisition of sexual experience and depend on the genotypic/phenotypic characteristics of the animals.
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Affiliation(s)
- Fabrizio Sanna
- Department of Biomedical Sciences, Section of Neuroscience and Clinical Pharmacology, University of Cagliari, Cittadella Universitaria di Monserrato, Cagliari, Italy
| | - Maria Pina Serra
- Department of Biomedical Sciences, Section of Cytomorphology, University of Cagliari, Cittadella Universitaria di Monserrato, Cagliari, Italy
| | - Marianna Boi
- Department of Biomedical Sciences, Section of Cytomorphology, University of Cagliari, Cittadella Universitaria di Monserrato, Cagliari, Italy
| | - Jessica Bratzu
- Department of Biomedical Sciences, Section of Neuroscience and Clinical Pharmacology, University of Cagliari, Cittadella Universitaria di Monserrato, Cagliari, Italy
| | - Laura Poddighe
- Department of Biomedical Sciences, Section of Cytomorphology, University of Cagliari, Cittadella Universitaria di Monserrato, Cagliari, Italy
| | - Francesco Sanna
- Department of Life and Environmental Sciences, Section of Pharmaceutical, Pharmacological and Nutraceutical Sciences, University of Cagliari, Cittadella Universitaria di Monserrato, Cagliari, Italy
| | - Antonella Carta
- Department of Biomedical Sciences, Section of Cytomorphology, University of Cagliari, Cittadella Universitaria di Monserrato, Cagliari, Italy
| | - Maria Giuseppa Corda
- Department of Life and Environmental Sciences, Section of Pharmaceutical, Pharmacological and Nutraceutical Sciences, University of Cagliari, Cittadella Universitaria di Monserrato, Cagliari, Italy
| | - Osvaldo Giorgi
- Department of Life and Environmental Sciences, Section of Pharmaceutical, Pharmacological and Nutraceutical Sciences, University of Cagliari, Cittadella Universitaria di Monserrato, Cagliari, Italy
| | - Maria Rosaria Melis
- Department of Biomedical Sciences, Section of Neuroscience and Clinical Pharmacology, University of Cagliari, Cittadella Universitaria di Monserrato, Cagliari, Italy
| | - Antonio Argiolas
- Department of Biomedical Sciences, Section of Neuroscience and Clinical Pharmacology, University of Cagliari, Cittadella Universitaria di Monserrato, Cagliari, Italy.,Neuroscience Institute, National Research Council of Italy, Section of Cagliari, Cittadella Universitaria di Monserrato, Cagliari, Italy
| | - Marina Quartu
- Department of Biomedical Sciences, Section of Cytomorphology, University of Cagliari, Cittadella Universitaria di Monserrato, Cagliari, Italy
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12
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Nazari S, Pourmand SM, Makki SM, Brand S, Vousooghi N. Potential biomarkers of addiction identified by real-time PCR in human peripheral blood lymphocytes: a narrative review. Biomark Med 2022; 16:739-758. [PMID: 35658670 DOI: 10.2217/bmm-2021-0291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Addiction-related neurobiological factors could be considered as potential biomarkers. The concentration of peripheral biomarkers in tissues like blood lymphocytes may mirror their brain levels. This review is focused on the mRNA expression of potential addiction biomarkers in human peripheral blood lymphocytes (PBLs). PubMed, EMBASE, Web of Science, Scopus and Google Scholar were searched using the keywords 'addiction', 'biomarker', 'peripheral blood lymphocyte', 'gene expression' and 'real-time PCR'. The results showed the alterations in the regulation of genes such as dopamine receptors, opioid receptors, NMDA receptors, cannabinoid receptors, α-synuclein, DYN, MAO-A, FosB and orexin-A as PBLs biomarkers in addiction stages. Such variations could also be found during abstinence and relapse. PBLs biomarkers may help in drug development and have clinical implications.
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Affiliation(s)
- Shahrzad Nazari
- Department of Neuroscience & Addiction Studies, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, 1417755469, Iran
| | - Seyed Mahmoud Pourmand
- Addiction Department, School of Behavioral Sciences & Mental Health (Tehran Institute of Psychiatry), Iran University of Medical Sciences, Tehran, 1445613111, Iran
| | - Seyed Mohammad Makki
- Department of Psychiatry, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, 1985717443, Iran
| | - Serge Brand
- Center for Affective-, Stress- and Sleep Disorders (ZASS), Psychiatric Clinics (UPK), University of Basel, Basel, 4002, Switzerland.,Sleep Disorders Research Center, Kermanshah University of Medical Sciences, Kermanshah, 6714869914, Iran.,Substance Abuse Prevention Research Center, Kermanshah University of Medical Sciences, Kermanshah, 6714869914, Iran.,Department of Sport, Exercise, and Health, Division of Sport Science and Psychosocial Health, University of Basel, Basel, 4052, Switzerland.,Department of Psychiatry, School of Medicine, Tehran University of Medical Sciences, Tehran, 1417466191, Iran
| | - Nasim Vousooghi
- Department of Applied Cell Sciences, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, 1417755469, Iran.,Research Center for Cognitive & Behavioral Sciences, Tehran University of Medical Sciences, Tehran, 13337159140, Iran.,Iranian National Center for Addiction Studies (INCAS), Tehran University of Medical Sciences, Tehran, 1336616357, Iran
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13
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Adolescent rats respond differently to methylphenidate as compared to adult rats- concomitant VTA neuronal and behavioral Recordings. Brain Res Bull 2022; 183:1-12. [PMID: 35202752 DOI: 10.1016/j.brainresbull.2022.02.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 01/20/2022] [Accepted: 02/17/2022] [Indexed: 01/09/2023]
Abstract
Methylphenidate (MPD) is the most widely prescribed psychostimulant used in adolescents and adults to treat attention-deficit/hyperactivity disorder (ADHD). The recreational use of MPD is becoming more prevalent because of its ability to improve cognitive enhancement. The ventral tegmental area (VTA) of the brain is highly associated with reward, cognition and addiction to drugs including psychostimulants like MPD. The VTA neuronal activity was recorded alongside the horizontal behavioral activity from freely behaving non-anesthetized rats. Four adolescent and four adult groups were treated with either saline, 0.6, 2.5 or 10.0 mg/kg MPD. In both adolescent and adult animals, the animals responded to MPD in a dose-dependent manner, such that as the dose of MPD increased, more animals and more VTA unit responded to the drug. The same doses of MPD elicited in some animals behavioral and neuronal sensitization and in other animals behavioral and neuronal tolerance. In the 0.6 and 10.0 mg/kg MPD dose groups there were significant differences between the age groups for how many animals expressed behavioral sensitization and behavioral tolerance to chronic MPD exposure. Additionally, the animal's behavioral response to MPD by excitation or attenuation of activity did not always correlate to the VTA neuronal response, and the age group with significantly higher behavioral responses did not always correlate to the age group with significantly higher VTA neuronal responses for a given MPD dose. These findings differ from similar studies recorded from the prefrontal cortex (PFC), which exhibited behavioral responses continuously directly correlated to PFC responses for increasing MPD doses. This demonstrates that unlike other areas of the brain, there is not a direct relationship between VTA firing and behavioral activity, suggesting that there is input or modulation of this area from elsewhere in the brain. Further investigation is needed to clearly understand the relationship between VTA firing rates and behavioral responses to different MPD doses, especially given the significant differences in response between young and adult animals and the increasing use of the drug in adolescent populations.
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14
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Nagata I, Sasaki M, Miyazaki T, Saeki K, Ogawa KI, Kamiya Y. Subanesthetic Dose of Propofol Activates the Reward System in Rats. Anesth Analg 2021; 135:414-426. [PMID: 34958308 DOI: 10.1213/ane.0000000000005847] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
BACKGROUND Propofol has addictive properties, even with a single administration, and facilitates dopamine secretion in the nucleus accumbens (NAc). Activation of the dopaminergic circuits of the midbrain reward system, including the ventral tegmental area (VTA) and NAc, plays a crucial role in addiction. However, the effects of propofol on synaptic transmission and biochemical changes in the VTA-NAc circuit remain unclear. METHODS We investigated the effects of subanesthetic doses of propofol on rat VTA neurons and excitatory synaptic transmission in the NAc using slice patch-clamp experiments. Using immunohistochemistry and western blot analyses, we evaluated the effects of intraperitoneal propofol administration on the expression of addiction-associated transcription factor ΔFosB (truncated form of the FBJ murine osteosarcoma viral oncogene homolog B protein) in the NAcs in 5-week-old rats. RESULTS In the current-clamp mode, a subanesthetic dose (0.5-5 µmol/L) of propofol increased the action potential frequency in about half the VTA neurons (excited neurons: control: 9.4 ± 3.0 Hz, propofol 0.5 µmol/L: 21.5 ± 6.0 Hz, propofol 5 µmol/L: 14.6 ± 5.3 Hz, wash: 2.0 ± 0.7 Hz, n = 14/27 cells; unchanged/suppressed neurons: control: 1.68 ± 0.94 Hz, propofol 0.5 µmol/L: 1.0 ± 0.67 Hz, propofol 5 µmol/L: 0.89 ± 0.87 Hz, wash: 0.16 ± 0.11 Hz, n = 13/27 cells). In the voltage-clamp mode, about half the VTA principal neurons showed inward currents with 5 µmol/L of propofol (inward current neurons: control: -20.5 ± 10.0 pA, propofol 0.5 µmol/L: -62.6 ± 14.4 pA, propofol 5 µmol/L: -85.2 ± 18.3 pA, propofol 50 µmol/L: -17.1 ± 39.2 pA, washout: +30.5 ± 33.9 pA, n = 6/11 cells; outward current neurons: control: -33.9 ± 14.6 pA, propofol 0.5 µmol/L: -29.5 ± 16.0 pA, propofol 5 µmol/L: -0.5 ± 20.9 pA, propofol 50 µmol/L: +38.9 ± 18.5 pA, washout: +40.8 ± 32.1 pA, n = 5/11 cells). Moreover, 0.5 µmol/L propofol increased the amplitudes of evoked excitatory synaptic currents in the NAc, whereas >5 µmol/L propofol decreased them (control: 100.0 ± 2.0%, propofol 0.5 µmol/L: 118.4 ± 4.3%, propofol 5 µmol/L: 98.3 ± 3.3%, wash [within 10 min]: 70.7 ± 3.3%, wash [30 minutes later]: 89.9 ± 2.5%, n = 13 cells, P < .001, Dunnett's test comparing control and propofol 0.5 µmol/L). Intraperitoneally administered subanesthetic dose of propofol increased ΔFosB expression in the NAc, but not in VTA, 2 and 24 hours after administration, compared with the Intralipid control group (propofol 2 hours: 0.94 ± 0.15, 24 hours: 0.68 ± 0.07; Intralipid 2 hours: 0.40 ± 0.03, 24 hours: 0.37 ± 0.06, P = .0002 for drug in the 2-way analysis of variance). CONCLUSIONS Even a single administration of a subanesthetic dose of propofol may cause rewarding change in the central nervous system. Thus, there is a potential propofol rewarding effect among patients receiving anesthesia or sedation with propofol, as well as among health care providers exposed to propofol.
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Affiliation(s)
- Isao Nagata
- From the Department of Anesthesiology and Intensive Care Medicine, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Mika Sasaki
- Division of Anesthesiology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Tomoyuki Miyazaki
- From the Department of Anesthesiology and Intensive Care Medicine, Yokohama City University Graduate School of Medicine, Yokohama, Japan.,Department of Physiology, Yokohama City University Graduate School of Medicine
| | - Kensuke Saeki
- Department of Neuroanatomy, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Ken-Ichi Ogawa
- From the Department of Anesthesiology and Intensive Care Medicine, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Yoshinori Kamiya
- From the Department of Anesthesiology and Intensive Care Medicine, Yokohama City University Graduate School of Medicine, Yokohama, Japan.,Division of Anesthesiology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan.,Department of Neuroanatomy, Yokohama City University Graduate School of Medicine, Yokohama, Japan
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15
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Nguyen ATM, Quach TVB, Kotha P, Chien SY, MacDonald IJ, Lane HY, Tu CH, Lin JG, Chen YH. Electroacupuncture prevents cocaine-induced conditioned place preference reinstatement and attenuates ΔFosB and GluR2 expression. Sci Rep 2021; 11:13694. [PMID: 34211013 PMCID: PMC8249658 DOI: 10.1038/s41598-021-93014-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Accepted: 06/10/2021] [Indexed: 02/06/2023] Open
Abstract
Acupuncture has been used for treating drug addiction since the 1970s, but little is known about the mechanisms by which acupuncture affects drug cue-induced relapse. The transcription factor delta-FosB (ΔFosB) plays a critical role in behavior and pathology after chronic use of cocaine. ΔFosB regulates glutamate receptor signaling and dendritic spine morphology in animal models. This experimental study compared the effects of electroacupuncture (EA) at acupoints LI4 and LI11 with those of another potentially beneficial intervention, gabapentin (GBP), alone or in combination, on reinstatement of cocaine-induced conditioned place preference (CPP) and levels of ΔFosB and glutamate receptor subunit 2 (GluR2) expression in the nucleus accumbens (NAc). EA at LI4 and LI11 significantly prevented cue-induced cocaine CPP reinstatement, whereas needle insertion without electrical stimulation at these acupoints had no such effect. EA also significantly attenuated cocaine-induced increases in ΔFosB and GluR2 expression in the NAc. Unexpectedly, these effects were reversed when GBP was combined with EA. Treatment with EA at LI4 and LI11 prevented cocaine-induced increases in dendritic spine density in the NAc core and shell. Our results suggest that EA at LI4 and LI11 may prevent cocaine relapse by modulating ΔFosB and GluR2 expression, as well as dendritic spine density.
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Affiliation(s)
- Ai T M Nguyen
- School of Chinese Medicine, College of Chinese Medicine, China Medical University, Taichung, Taiwan
| | - Tran V B Quach
- Graduate Institute of Acupuncture Science, College of Chinese Medicine, China Medical University, Taichung, Taiwan
| | - Peddanna Kotha
- Graduate Institute of Acupuncture Science, College of Chinese Medicine, China Medical University, Taichung, Taiwan
| | - Szu-Yu Chien
- Graduate Institute of Acupuncture Science, College of Chinese Medicine, China Medical University, Taichung, Taiwan
| | - Iona J MacDonald
- Graduate Institute of Acupuncture Science, College of Chinese Medicine, China Medical University, Taichung, Taiwan
| | - Hsien-Yuan Lane
- Graduate Institute of Biomedical Sciences, College of Medicine, China Medical University, Taichung, Taiwan
- Department of Psychiatry, China Medical University Hospital, Taichung, Taiwan
- Department of Psychology, College of Medical and Health Science, Asia University, Taichung, Taiwan
| | - Cheng-Hao Tu
- Graduate Institute of Acupuncture Science, College of Chinese Medicine, China Medical University, Taichung, Taiwan
| | - Jaung-Geng Lin
- School of Chinese Medicine, College of Chinese Medicine, China Medical University, Taichung, Taiwan.
| | - Yi-Hung Chen
- Graduate Institute of Acupuncture Science, College of Chinese Medicine, China Medical University, Taichung, Taiwan.
- Chinese Medicine Research Center, China Medical University, Taichung, Taiwan.
- Department of Photonics and Communication Engineering, Asia University, Taichung, Taiwan.
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16
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Gowen AM, Odegaard KE, Hernandez J, Chand S, Koul S, Pendyala G, Yelamanchili SV. Role of microRNAs in the pathophysiology of addiction. WILEY INTERDISCIPLINARY REVIEWS. RNA 2021; 12:e1637. [PMID: 33336550 PMCID: PMC8026578 DOI: 10.1002/wrna.1637] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 11/12/2020] [Accepted: 11/19/2020] [Indexed: 02/06/2023]
Abstract
Addiction is a chronic and relapsing brain disorder characterized by compulsive seeking despite adverse consequences. There are both heritable and epigenetic mechanisms underlying drug addiction. Emerging evidence suggests that non-coding RNAs (ncRNAs) such as microRNAs (miRNAs), long non-coding RNAs, and circular RNAs regulate synaptic plasticity and related behaviors caused by substances of abuse. These ncRNAs modify gene expression and may contribute to the behavioral phenotypes of addiction. Among the ncRNAs, the most widely researched and impactful are miRNAs. The goal in this systematic review is to provide a detailed account of recent research involving the role of miRNAs in addiction. This article is categorized under: RNA Interactions with Proteins and Other Molecules > Small Molecule-RNA Interactions RNA in Disease and Development > RNA in Disease.
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Affiliation(s)
- Austin M Gowen
- Department of Anesthesiology, University of Nebraska Medical Center, Omaha, Nebraska, USA
| | - Katherine E Odegaard
- Department of Anesthesiology, University of Nebraska Medical Center, Omaha, Nebraska, USA
| | - Jordan Hernandez
- Department of Anesthesiology, University of Nebraska Medical Center, Omaha, Nebraska, USA
| | - Subhash Chand
- Department of Anesthesiology, University of Nebraska Medical Center, Omaha, Nebraska, USA
| | - Sneh Koul
- Department of Anesthesiology, University of Nebraska Medical Center, Omaha, Nebraska, USA
| | - Gurudutt Pendyala
- Department of Anesthesiology, University of Nebraska Medical Center, Omaha, Nebraska, USA
| | - Sowmya V Yelamanchili
- Department of Anesthesiology, University of Nebraska Medical Center, Omaha, Nebraska, USA
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17
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Shi L, Wang Y, Li C, Zhang K, Du Q, Zhao M. AddictGene: An integrated knowledge base for differentially expressed genes associated with addictive substance. Comput Struct Biotechnol J 2021; 19:2416-2422. [PMID: 34025933 PMCID: PMC8113760 DOI: 10.1016/j.csbj.2021.04.027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 04/08/2021] [Accepted: 04/09/2021] [Indexed: 11/26/2022] Open
Abstract
Addiction, a disorder of maladaptive brain plasticity, is associated with changes in numerous gene expressions. Nowadays, high-throughput sequencing data on addictive substance-induced gene expression have become widely available. A resource for comprehensive annotation of genes that show differential expression in response to commonly abused substances is necessary. So, we developed AddictGene by integrating gene expression, gene-gene interaction, gene-drug interaction and epigenetic regulatory annotation for over 70,156 items of differentially expressed genes associated with 7 commonly abused substances, including alcohol, nicotine, cocaine, morphine, heroin, methamphetamine, and amphetamine, across three species (human, mouse, rat). We also collected 1,141 addiction-related experimentally validated genes by techniques such as RT-PCR, northern blot and in situ hybridization. The easy-to-use web interface of AddictGene (http://159.226.67.237/sun/addictgedb/) allows users to search and browse multidimensional data on DEGs of their interest: 1) detailed gene-specific information extracted from the original studies; 2) basic information about the specific gene extracted from NCBI; 3) SNP associated with substance dependence and other psychiatry disorders; 4) expression alteration of specific gene in other psychiatric disorders; 5) expression patterns of interested gene across 31 primary and 54 secondary human tissues; 6) functional annotation of interested gene; 7) epigenetic regulators involved in the alteration of specific genes, including histone modifications and DNA methylation; 8) protein-protein interaction for functional linkage with interested gene; 9) drug-gene interaction for potential druggability. AddictGene offers a valuable repository for researchers to study the molecular mechanisms underlying addiction, and might provide valuable insights into potential therapies for drug abuse and relapse.
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Affiliation(s)
- Leisheng Shi
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing 100101, China.,University of Chinese Academy of Sciences, Beijing 101408, China
| | - Yan Wang
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing 100101, China
| | - Chong Li
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing 100101, China.,University of Chinese Academy of Sciences, Beijing 101408, China
| | - Kunlin Zhang
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing 100101, China
| | - Quansheng Du
- Department of Life Sciences, National Natural Science Foundation of China, Beijing 100085, China
| | - Mei Zhao
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing 100101, China.,University of Chinese Academy of Sciences, Beijing 101408, China
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18
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Metabolomics reveals biomarkers of opioid use disorder. Transl Psychiatry 2021; 11:103. [PMID: 33542199 PMCID: PMC7862627 DOI: 10.1038/s41398-021-01228-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 01/08/2021] [Accepted: 01/18/2021] [Indexed: 01/30/2023] Open
Abstract
Opioid use disorder (OUD) is diagnosed using the qualitative criteria defined by the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5). Diagnostic biomarkers for OUD do not currently exist. Our study focused on developing objective biological markers to differentiate chronic opiate users with OUD from chronic opiate users without OUD. Using biospecimens from the Golestan Cohort Study, we compared the metabolomics profiles of high opium users who were diagnosed as OUD positive with high opium users who were diagnosed as OUD negative. High opium use was defined as maximum weekly opium usage greater than or equal to the median usage (2.4 g per week), and OUD was defined as having 2 or more DSM-5 criteria in any 12-month period. Among the 218 high opium users in this study, 80 were diagnosed as OUD negative, while 138 were diagnosed as OUD positive. Seven hundred and twelve peaks differentiated high opium users diagnosed as OUD positive from high opium users diagnosed as OUD negative. Stepwise logistic regression modeling of subject characteristics data together with the 712 differentiating peaks revealed a signature that is 95% predictive of an OUD positive diagnosis, a significant (p < 0.0001) improvement over a 63% accurate prediction based on subject characteristic data for these samples. These results suggest that a metabolic profile can be used to predict an OUD positive diagnosis.
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19
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Longitudinal Changes in Food Addiction Symptoms and Body Weight among Adults in a Behavioral Weight-Loss Program. Nutrients 2020; 12:nu12123687. [PMID: 33260468 PMCID: PMC7760227 DOI: 10.3390/nu12123687] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Revised: 11/25/2020] [Accepted: 11/27/2020] [Indexed: 12/13/2022] Open
Abstract
Interest in food addiction (FA) has increased, but little is known about its clinical implications or potential treatments. Using secondary analyses from a randomized controlled trial, we evaluated the associations between changes in FA, body weight, and “problem food” consumption during a 22-month behavioral weight-loss program consisting of an initial four-month in-person intervention, 12-month extended-care, and six-month follow-up (n = 182). Food addiction was measured using the Yale Food Addiction Scale. “Problem foods” were identified from the literature and self-reporting. Multilevel modeling was used as the primary method of analysis. We hypothesized that reductions in problem food consumption during the initial treatment phase would be associated with long-term (22-month) FA reductions. As expected, we found that reductions in problem foods were associated with greater initial reductions in FA symptoms; however, they were also associated with a sharper rebound in symptoms over time (p = 0.016), resulting in no significant difference at Month 22 (p = 0.856). Next, we hypothesized that long-term changes in FA would be associated with long-term changes in body weight. Although both FA and weight decreased over time (ps < 0.05), month-to-month changes in FA were not associated with month-to-month changes in weight (p = 0.706). Instead, higher overall FA (i.e., mean scores over the course of the study) were associated with less weight loss (p = 0.008) over time. Finally, we hypothesized that initial reductions in problem food consumption would be associated with long-term reductions in weight, but this relationship was not significant (ps > 0.05). Given the complexity of the findings, more research is needed to identify interventions for long-term changes in FA and to elucidate the associations between problem foods, FA, and weight.
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20
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Noback M, Zhang G, White N, Barrow JC, Carr GV. Post-weaning social isolation increases ΔFosB/FosB protein expression in sex-specific patterns in the prelimbic/infralimbic cortex and hippocampus in mice. Neurosci Lett 2020; 740:135423. [PMID: 33069811 DOI: 10.1016/j.neulet.2020.135423] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 09/11/2020] [Accepted: 10/01/2020] [Indexed: 02/04/2023]
Abstract
Social isolation is a growing public health concern across the lifespan. Specifically, isolation early in life, during critical periods of brain development, increases the risk of psychiatric disorders later in life. Previous studies of isolation models in mice have shown distinct neurological abnormalities in various regions of the brain, but the mechanism linking the experience of isolation to these phenotypes is unclear. In this study, we show that ΔFosB, a long-lived transcription factor associated with neuronal activity, chronic stress, and drug-induced neuroplasticity, is upregulated in the prelimbic/infralimbic (PL/IL) region of the cortex and hippocampus of adult C57BL/6J mice transiently isolated for two weeks post-weaning. Additionally, a related transcription factor, FosB, is also increased in the PL/IL in socially isolated females.In contrast, both ΔFosB and FosB are increased in male mice isolated for six weeks from weaning until tissue collection. These results show that short-term isolation during the critical post-weaning period has long-lasting and sex-dependent effects on gene expression in brain and that FosB/ΔFosB expression provides a potential mechanistic link between post-weaning social isolation and associated neurological abnormalities.
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Affiliation(s)
- Michael Noback
- Department of Pharmacology and Molecular Sciences, Johns Hopkins School of Medicine, Baltimore, MD, USA; Lieber Institute for Brain Development, Johns Hopkins University Medical Campus, Baltimore, MD, USA
| | - Gongliang Zhang
- Lieber Institute for Brain Development, Johns Hopkins University Medical Campus, Baltimore, MD, USA
| | - Noelle White
- Lieber Institute for Brain Development, Johns Hopkins University Medical Campus, Baltimore, MD, USA
| | - James C Barrow
- Department of Pharmacology and Molecular Sciences, Johns Hopkins School of Medicine, Baltimore, MD, USA; Lieber Institute for Brain Development, Johns Hopkins University Medical Campus, Baltimore, MD, USA
| | - Gregory V Carr
- Department of Pharmacology and Molecular Sciences, Johns Hopkins School of Medicine, Baltimore, MD, USA; Lieber Institute for Brain Development, Johns Hopkins University Medical Campus, Baltimore, MD, USA.
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21
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Bidirectional relationship between heroin addiction and depression: Behavioural and neural studies. CURRENT PSYCHOLOGY 2020. [DOI: 10.1007/s12144-020-01032-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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22
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Li Y, Liu Z, Aglyamova G, Chen J, Chen H, Bhandari M, White MA, Rudenko G, Zhou J. Discovery of phenanthridine analogues as novel chemical probes disrupting the binding of DNA to ΔFosB homodimers and ΔFosB/JunD heterodimers. Bioorg Med Chem Lett 2020; 30:127300. [PMID: 32631520 PMCID: PMC7376976 DOI: 10.1016/j.bmcl.2020.127300] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 05/28/2020] [Accepted: 05/30/2020] [Indexed: 11/19/2022]
Abstract
The transcription factor ΔFosB accumulates in response to chronic insults such as drugs of abuse, L-3,4-dihydroxyphenylalanine (l-DOPA) or stress in specific regions of the brain, triggering long lasting neural and behavioral changes that underlie aspects of drug addiction, dyskinesia, and depression. Thus, small molecule chemical probes are urgently needed to investigate biological functions of ΔFosB. Herein we describe the identification of a novel phenanthridine analogue ZL0220 (27) as an active and promising ΔFosB chemical probe with micromolar inhibitory activities against ΔFosB homodimers and ΔFosB/JunD heterodimers.
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Affiliation(s)
- Yi Li
- Department of Pharmacology and Toxicology, University of Texas Medical Branch, Galveston, TX 77555, United States
| | - Zhiqing Liu
- Department of Pharmacology and Toxicology, University of Texas Medical Branch, Galveston, TX 77555, United States
| | - Galina Aglyamova
- Department of Pharmacology and Toxicology, University of Texas Medical Branch, Galveston, TX 77555, United States
| | - Jianping Chen
- Department of Pharmacology and Toxicology, University of Texas Medical Branch, Galveston, TX 77555, United States
| | - Haiying Chen
- Department of Pharmacology and Toxicology, University of Texas Medical Branch, Galveston, TX 77555, United States
| | - Mukund Bhandari
- Department of Pharmacology and Toxicology, University of Texas Medical Branch, Galveston, TX 77555, United States
| | - Mark A White
- Department of Biochemistry and Molecular Biology, University of Texas Medical Branch, Galveston, TX 77555, United States; Sealy Center for Structural Biology and Molecular Biophysics, University of Texas Medical Branch, Galveston, TX 77555, United States
| | - Gabrielle Rudenko
- Department of Pharmacology and Toxicology, University of Texas Medical Branch, Galveston, TX 77555, United States; Sealy Center for Structural Biology and Molecular Biophysics, University of Texas Medical Branch, Galveston, TX 77555, United States.
| | - Jia Zhou
- Department of Pharmacology and Toxicology, University of Texas Medical Branch, Galveston, TX 77555, United States; Sealy Center for Structural Biology and Molecular Biophysics, University of Texas Medical Branch, Galveston, TX 77555, United States.
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23
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Sun K, Mu Q, Chang H, Zhang C, Wang Y, Rong S, Liu S, Zuo D, He Z, Wan D, Yang H, Wang F, Sun T. Postretrieval Microinjection of Baclofen Into the Agranular Insular Cortex Inhibits Morphine-Induced CPP by Disrupting Reconsolidation. Front Pharmacol 2020; 11:743. [PMID: 32508658 PMCID: PMC7248341 DOI: 10.3389/fphar.2020.00743] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 05/04/2020] [Indexed: 12/15/2022] Open
Abstract
Environmental cues associated with drug abuse are powerful mediators of drug craving and relapse in substance-abuse disorders. Consequently, attenuating the strength of cue-drug memories could reduce the number of factors that cause drug craving and relapse. Interestingly, impairing cue-drug memory reconsolidation is a generally accepted strategy aimed at reducing the intensity of cues that trigger drug-seeking and drug-taking behaviors. In addition, the agranular insular cortex (AI) is an important component of the neural circuits underlying drug-related memory reconsolidation. GABAB receptors (GABABRs) are potential targets for the treatment of addiction, and baclofen (BLF) is the only prototypical GABAB agonist available for application in clinical addiction treatment. Furthermore, ΔFosB is considered a biomarker for the evaluation of potential therapeutic interventions for addiction. Here, we used the morphine-induced conditioned place preference (CPP) paradigm to investigate whether postretrieval microinjections of BLF into the AI could affect reconsolidation of drug-reward memory, reinstatement of CPP, and the level of ΔFosB in mice. Our results showed that BLF infused into the AI immediately following morphine CPP memory retrieval, but not 6 h postretrieval or following nonretrieval, could eliminate the expression of a morphine CPP memory. This effect persisted in a morphine-priming–induced reinstatement test, suggesting that BLF in the AI was capable of preventing the reconsolidation of the morphine CPP memory. Our results also showed that the elimination of morphine CPP memory was associated with reduced morphine-associated ΔFosB expression in the longer term. Taken together, the results of our research provide evidence to support that GABABRs in the AI have an important role in drug-cue memory reconsolidation and further our understanding of the role of the AI in drug-related learning and memory.
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Affiliation(s)
- Kuisheng Sun
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China.,Department of Neurosurgery, General Hospital of Ningxia Medical University, Yinchuan, China.,Department of Neurosurgery, The People's Hospital of Gaozhou, Gaozhou, China
| | - Qingchun Mu
- Department of Neurosurgery, The People's Hospital of Gaozhou, Gaozhou, China
| | - Haigang Chang
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China.,Department of Neurosurgery, General Hospital of Ningxia Medical University, Yinchuan, China
| | - Chun Zhang
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Yehua Wang
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Shikuo Rong
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Shenhai Liu
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Di Zuo
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Zhenquan He
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Ding Wan
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China.,Department of Neurosurgery, General Hospital of Ningxia Medical University, Yinchuan, China
| | - Hua Yang
- Department of Critical Care Medicine, The People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, China
| | - Feng Wang
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China.,Department of Neurosurgery, General Hospital of Ningxia Medical University, Yinchuan, China
| | - Tao Sun
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China.,Department of Neurosurgery, General Hospital of Ningxia Medical University, Yinchuan, China
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24
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Blum K, Baron D, McLaughlin T, Gold MS. Molecular neurological correlates of endorphinergic/dopaminergic mechanisms in reward circuitry linked to endorphinergic deficiency syndrome (EDS). J Neurol Sci 2020; 411:116733. [DOI: 10.1016/j.jns.2020.116733] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 01/19/2020] [Accepted: 02/11/2020] [Indexed: 12/20/2022]
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25
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Wen D, Hui R, Liu Y, Luo Y, Wang J, Shen X, Xie B, Yu F, Cong B, Ma C. Molecular hydrogen attenuates methamphetamine-induced behavioral sensitization and activation of ERK-ΔFosB signaling in the mouse nucleus accumbens. Prog Neuropsychopharmacol Biol Psychiatry 2020; 97:109781. [PMID: 31629777 DOI: 10.1016/j.pnpbp.2019.109781] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 09/30/2019] [Accepted: 10/06/2019] [Indexed: 12/20/2022]
Abstract
Methamphetamine (METH) is one of the most prevalently used illegal psychostimulants in many countries. Continuous exposure to METH leads to behavioral sensitization in animals, which can be used as a behavioral model with many mechanisms in common with relapse in humans. Molecular hydrogen has recently gained attention for its potential as a novel healthcare product with preventive and therapeutic applicability to a wide range of pathological conditions. However, it remains unclear whether and, if so, how hydrogen regulates METH-induced behavioral abnormalities. In the present study, we investigated the roles of molecular hydrogen on the acquisition and transfer of METH-induced behavioral sensitization and the accompanying changes in ERK phosphorylation and ΔFosB activation in the nucleus accumbens (NAc) of mice. To this end, male C57BL/6 mice received METH (0.1, 0.5 and 1.0 mg/kg, i.p.) injections for 7 days followed by a METH challenge (0.1, 0.5 and 1.0 mg/kg, i.p.) after a 7-day transfer period. Molecular hydrogen, delivered through a hydrogen-rich saline (HRS) injection (10 mL/kg, i.p., 3-h interval), was administered during the acquisition and transfer periods. We found that HRS administration was able to inhibit the acquisition and transfer of 0.1 and 0.5 mg/kg METH-induced behavioral sensitization to a certain extent, thereby attenuating the expression of behavioral sensitization. The HRS injections alone did not induce any obvious changes in locomotor activity in mice. Intriguingly, the increases in pERK and ΔFosB in the NAc, which accompanied the METH-induced behavioral sensitization, were also attenuated by the HRS treatments. Due to the anti-oxidative function of molecular hydrogen, the HRS injections reduced METH-induced reactive oxygen species and malondialdehyde generation in the NAc. These results suggest that molecular hydrogen serves as an anti-oxidative agent with potentially therapeutic applicability to the treatment of METH addicts.
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Affiliation(s)
- Di Wen
- College of Forensic Medicine, Hebei Medical University, Hebei Key Laboratory of Forensic Medicine, Collaborative Innovation Center of Forensic Medical Molecular Identification, Hebei Province, Shijiazhuang 050017, PR China
| | - Rongji Hui
- College of Forensic Medicine, Hebei Medical University, Hebei Key Laboratory of Forensic Medicine, Collaborative Innovation Center of Forensic Medical Molecular Identification, Hebei Province, Shijiazhuang 050017, PR China
| | - Yi Liu
- College of Forensic Medicine, Hebei Medical University, Hebei Key Laboratory of Forensic Medicine, Collaborative Innovation Center of Forensic Medical Molecular Identification, Hebei Province, Shijiazhuang 050017, PR China
| | - Yixiao Luo
- Key Laboratory of Molecular Epidemiology of Hunan Province, School of Medicine, Hunan Normal University, Changsha 410081,China
| | - Jian Wang
- College of Forensic Medicine, Hebei Medical University, Hebei Key Laboratory of Forensic Medicine, Collaborative Innovation Center of Forensic Medical Molecular Identification, Hebei Province, Shijiazhuang 050017, PR China
| | - Xi Shen
- College of Public Health, Hebei Medical University, Hebei Province, Shijiazhuang 050017, PR China
| | - Bing Xie
- College of Forensic Medicine, Hebei Medical University, Hebei Key Laboratory of Forensic Medicine, Collaborative Innovation Center of Forensic Medical Molecular Identification, Hebei Province, Shijiazhuang 050017, PR China
| | - Feng Yu
- College of Forensic Medicine, Hebei Medical University, Hebei Key Laboratory of Forensic Medicine, Collaborative Innovation Center of Forensic Medical Molecular Identification, Hebei Province, Shijiazhuang 050017, PR China
| | - Bin Cong
- College of Forensic Medicine, Hebei Medical University, Hebei Key Laboratory of Forensic Medicine, Collaborative Innovation Center of Forensic Medical Molecular Identification, Hebei Province, Shijiazhuang 050017, PR China.
| | - Chunling Ma
- College of Forensic Medicine, Hebei Medical University, Hebei Key Laboratory of Forensic Medicine, Collaborative Innovation Center of Forensic Medical Molecular Identification, Hebei Province, Shijiazhuang 050017, PR China.
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26
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Sadat-Shirazi MS, Asgari P, Mahboubi S, Nouri Zadeh-Tehrani S, Ashabi G, Rohbani K, Sabzevari S, Soltani H, Khalifeh S, Zarrindast MR. Effect of morphine exposure on novel object memory of the offspring: The role of histone H3 and ΔFosB. Brain Res Bull 2020; 156:141-149. [PMID: 31958477 DOI: 10.1016/j.brainresbull.2020.01.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 12/19/2019] [Accepted: 01/14/2020] [Indexed: 01/09/2023]
Abstract
It has been demonstrated that alteration in histone acetylation in the regions of the brain involved in the reward which may have an important role in morphine addiction. It is well established that epigenetic changes prior to birth influence the function and development of the brain. The current study was designed to evaluate changes in novel object memory, histone acetylation and ΔFosB in the brain of the offspring of morphine-withdrawn parents. Male and female Wistar rats received morphine orally for 21 following days. After ten days of abstinent, they were prepared for mating. The male offspring of the first parturition were euthanized on postnatal days 5, 21, 30 and 60. The novel object recognition (NOR) test was performed on adult male offspring. The amount of acetylated histone H3 and ΔFosB were evaluated in the prefrontal cortex (PFC) and hippocampus using western blotting. Obtained results indicated that the discrimination index in the NOR test was decreased in the offspring of morphine-withdrawn parents as compared with morphine-naïve offspring. In addition, the level of acetylated histone H3 was decreased in the PFC and hippocampus in the offspring of morphine-withdrawn parents during lifetime (postnatal days 5, 21, 30 and 60). In the case of ΔFosB, it also decreased in these regions in the morphine-withdrawn offspring. These results demonstrated that parental morphine exposure affects NOR memory, and decreased the level of histone H3 acetylation and ΔFosB in the PFC and hippocampus. Taken together, the effect of morphine might be transmitted to the next generation even after stop consuming morphine.
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Affiliation(s)
| | - Pardis Asgari
- Iranian National Center for Addiction Studies, Tehran University of Medical Sciences, Tehran, Iran
| | - Sarah Mahboubi
- Department of Neuroscience and Addiction Studies, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Ghorbangol Ashabi
- Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Kiyana Rohbani
- Department of Molecular and Cellular Sciences, Faculty of Advanced Sciences and Technology, Pharmaceutical Sciences Branch, Islamic Azad University, Tehran, Iran
| | - Saba Sabzevari
- Department of Molecular and Cellular Sciences, Faculty of Advanced Sciences and Technology, Pharmaceutical Sciences Branch, Islamic Azad University, Tehran, Iran
| | - Haniyeh Soltani
- Iranian National Center for Addiction Studies, Tehran University of Medical Sciences, Tehran, Iran
| | - Solmaz Khalifeh
- Cognitive and Neuroscience Research Center (CNRC), Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Mohammad-Reza Zarrindast
- Iranian National Center for Addiction Studies, Tehran University of Medical Sciences, Tehran, Iran; Cognitive and Neuroscience Research Center (CNRC), Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran; Endocrinology and Metabolism Research Institute, Tehran University of Medical Science, Tehran, Iran.
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27
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Random access to palatable food stimulates similar addiction-like responses as a fixed schedule, but only a fixed schedule elicits anticipatory activation. Sci Rep 2019; 9:18223. [PMID: 31796782 PMCID: PMC6890727 DOI: 10.1038/s41598-019-54540-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2019] [Accepted: 11/05/2019] [Indexed: 01/27/2023] Open
Abstract
Restricted intermittent food access to palatable food (PF) induces addiction-like behaviors and plastic changes in corticolimbic brain areas. Intermittent access protocols normally schedule PF to a fixed time, enabling animals to predict the arrival of PF. Because outside the laboratory the presence of PF may occur in a random unpredictable manner, the present study explored whether random access to PF would stimulate similar addiction-like responses as observed under a fixed scheduled. Rats were randomly assigned to a control group without chocolate access, to ad libitum access to chocolate, to fixed intermittent access (CH-F), or to random unpredictable access (CH-R) to chocolate. Only the CH-F group developed behavioral and core temperature anticipation to PF access. Both groups exposed to intermittent access to PF showed binge eating, increased effort behaviors to obtain chocolate, as well as high FosB/ΔFosB in corticolimbic areas. Moreover, FosB/ΔFosB in all areas correlated with the intensity of binge eating and effort behaviors. We conclude that both conditions of intermittent access to PF stimulate addiction-like behaviors and FosB/ΔFosB accumulation in brain reward areas; while only a fixed schedule, which provides a time clue, elicited anticipatory activation, which is strongly associated with craving behaviors and may favor relapse during withdrawal.
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28
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Reséndiz‐Flores M, Escobar C. Circadian disruption favors alcohol consumption and differential ΔFosB accumulation in Corticolimbic structures. Addict Biol 2019; 24:1179-1190. [PMID: 30295391 DOI: 10.1111/adb.12674] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 07/26/2018] [Accepted: 07/30/2018] [Indexed: 01/23/2023]
Abstract
Shift-work and exposure to light at night lead to circadian disruption, which favors the use of alcohol and may be a risk factor for development of addictive behavior. This study evaluated in two experimental models of circadian disruption behavioral indicators of elevated alcohol intake and looked for ΔFosB, which is a transcription factor for neuronal plasticity in corticolimbic structures. Male Wistar rats were exposed to experimental shift-work (AR) or to constant light (LL) and were compared with a control group (LD). After 4 weeks in their corresponding conditions, control LD rats remained rhythmic, AR rats exhibited a loss of day-night patterns in the brain and the LL rats showed arrhythmicity in general activity and day-night PER1 patterns in corticolimbic structures. During 12 days of exposure to 10 percent alcohol solution, the AR group showed daily increased alcohol intake while LD and LL rats ingested similar amounts. After 72 h of alcohol deprivation, AR and LL rats increased alcohol intake in a binge-like test; this could be due not only to circadian disruption but also to stress and/or anxiety developed from the AR and LL manipulations. Associated to the increased alcohol intake, the AR and LL rats had significant accumulation of ΔFosB in the nucleus accumbens shell and decreased ΔFosB in the infralimbic cortex. Data here reported confirm that the disruption of temporal patterns favors the increased alcohol consumption and that this is associated with a differential accumulation of ΔFosB which may favor the development of addictive behavior.
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Affiliation(s)
| | - Carolina Escobar
- Departamento de Anatomía, Facultad de MedicinaUniversidad Nacional Autónoma de México Mexico
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29
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Hua Y, Li C, Hu J, Wang YY, Liu PL, Gao BY, Chen C, Xu DS, Zhang B, Bai YL. Fluoxetine adjunct to therapeutic exercise promotes motor recovery in rats with cerebral ischemia: Roles of nucleus accumbens. Brain Res Bull 2019; 153:1-7. [PMID: 31369829 DOI: 10.1016/j.brainresbull.2019.07.022] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 07/03/2019] [Accepted: 07/19/2019] [Indexed: 01/05/2023]
Abstract
The study aimed to explore the molecular mechanism of fluoxetine as an adjunct to therapeutic exercise to improve motor recovery using a rat cerebral ischemic model with middle cerebral artery occlusion (MCAO). We hypothesized that the nucleus accumbens (NAc) may be one of the responding areas to fluoxetine where relevant elevations in 5-hydroxytryptamine (5-HT) and ΔFosB were associated with motor behavioral recovery. Male Sprague-Dawley rats were randomly divided into five groups: rats without intervention; rats that underwent MCAO without exercise or fluoxetine; rats that underwent MCAO treated only with fluoxetine; rats that underwent MCAO treated only with exercise; and rats that underwent MCAO treated with both exercise and fluoxetine. Motor function and motivation were assessed by the fault footsteps test and the forced swimming test. 5-HT level in the bilateral NAc and the expression of 5-HT2C receptor (5-HT2CR) and ΔFosB in the ipsilesional (left) NAc were measured. Correlation was explored by Pearson correlation analysis. Our results indicated that either treatment helped improve the grasp dexterity of the affected limb, motor motivation, and resilience to adverse environment in MCAO rats. The dual treatment with fluoxetine and exercise may hasten the recovery process. The dual treatment helped restore the balance of 5-HT level between the bilateral NAc by significantly increasing its level in the ipsilesional side. Either treatment could resume the expression of 5-HT2CR in the ipsilesional side of the NAc close to the normal level, which was correlated with motor recovery. The dual treatment significantly increased the expression of ΔFosB in the ipsilesional side of the NAc, which was correlated with the balance of 5-HT in the bilateral NAc, but not directly with motor recovery. In conclusion, the NAc may play an important role in driving physical motivation, which was possibly related to motor recovery after stroke. Fluoxetine may hasten the effectiveness of therapeutic exercise, possibly via regulating 5-HT and its receptors in the NAc.
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Affiliation(s)
- Yan Hua
- Department of Rehabilitation Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Ce Li
- Department of Rehabilitation Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Jian Hu
- Department of Rehabilitation Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Yu-Yuan Wang
- Department of Rehabilitation Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Pei-Le Liu
- Department of Rehabilitation Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Bei-Yao Gao
- Department of Rehabilitation Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Chan Chen
- Department of Rehabilitation Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Dong-Sheng Xu
- Rehabilitation Section, Spine Surgery Division of Department of Orthopedics, Tongji Hospital Affiliated to Tongji University School of Medicine, Key Laboratory of spine and spinal cord injury repair and regeneration (Tongji University), Ministry of Education of the People's Republic of China, Shanghai 200065, China
| | - Bei Zhang
- Department of Rehabilitation Medicine, Huashan Hospital, Fudan University, Shanghai, China.
| | - Yu-Long Bai
- Department of Rehabilitation Medicine, Huashan Hospital, Fudan University, Shanghai, China.
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30
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Abstract
Sex addiction or dependency is a complex and debilitating pathology characterised by a disproportionate preoccupation with sex or sexual activity. The aim of scientific research carried out into this disorder is both nosographic, to establish which subtype of mental disorder it belongs to, and physiopathological, to explain its origin and develop potential therapies. A state of the science on sexual dependency is charted, in the world of psychiatry, based on its very first mention to the present day.
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31
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Huang J, Liu F, Wang B, Tang H, Teng Z, Li L, Qiu Y, Wu H, Chen J. Central and Peripheral Changes in FOS Expression in Schizophrenia Based on Genome-Wide Gene Expression. Front Genet 2019; 10:232. [PMID: 30967896 PMCID: PMC6439315 DOI: 10.3389/fgene.2019.00232] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Accepted: 03/04/2019] [Indexed: 01/19/2023] Open
Abstract
Schizophrenia is a chronic, debilitating neuropsychiatric disorder. Multiple transcriptomic gene expression profiling analysis has been used to identify schizophrenia-associated genes, unravel disease-associated biomarkers, and predict clinical outcomes. We aimed to identify gene expression regulation, underlying pathways, and their roles in schizophrenia pathogenesis. We searched the Gene Expression Omnibus (GEO) database for microarray studies of fibroblasts, lymphoblasts, and post-mortem brains of schizophrenia patients. Our analysis demonstrated high FOS expression in non-neural peripheral samples and low FOS expression in brain tissues of schizophrenia patients compared with healthy controls. FOS exhibited predictive value for schizophrenia patients in these datasets. Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis revealed that “amphetamine addiction” was among the top 10 significantly enriched KEGG pathways. FOS and FOSB, which are implicated in the amphetamine addiction pathway, were up-regulated in schizophrenia fibroblast samples. Protein–protein interaction (PPI) network analysis revealed that proteins closely interacting with FOS-encoded protein were also involved in the amphetamine addiction pathway. Pearson correlation test indicated that FOS showed positive correlation with genes in the amphetamine pathway. The results revealed that FOS was acceptable as a biomarker for schizophrenia and may be involved in schizophrenia pathogenesis.
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Affiliation(s)
- Jing Huang
- Department of Psychiatry, The Second Xiangya Hospital, Central South University, Changsha, China.,Mental Health Institute of the Second Xiangya Hospital, Central South University, Chinese National Clinical Research Center for Mental Disorders (Xiangya), Chinese National Technology Institute on Mental Disorders, Hunan Key Laboratory of Psychiatry and Mental Health, Changsha, China
| | - Fangkun Liu
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
| | - Bolun Wang
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Hui Tang
- Department of Psychiatry, The Second Xiangya Hospital, Central South University, Changsha, China.,Mental Health Institute of the Second Xiangya Hospital, Central South University, Chinese National Clinical Research Center for Mental Disorders (Xiangya), Chinese National Technology Institute on Mental Disorders, Hunan Key Laboratory of Psychiatry and Mental Health, Changsha, China
| | - Ziwei Teng
- Department of Psychiatry, The Second Xiangya Hospital, Central South University, Changsha, China.,Mental Health Institute of the Second Xiangya Hospital, Central South University, Chinese National Clinical Research Center for Mental Disorders (Xiangya), Chinese National Technology Institute on Mental Disorders, Hunan Key Laboratory of Psychiatry and Mental Health, Changsha, China
| | - Lehua Li
- Department of Psychiatry, The Second Xiangya Hospital, Central South University, Changsha, China.,Mental Health Institute of the Second Xiangya Hospital, Central South University, Chinese National Clinical Research Center for Mental Disorders (Xiangya), Chinese National Technology Institute on Mental Disorders, Hunan Key Laboratory of Psychiatry and Mental Health, Changsha, China
| | - Yan Qiu
- Department of Psychiatry, The Second Xiangya Hospital, Central South University, Changsha, China.,Mental Health Institute of the Second Xiangya Hospital, Central South University, Chinese National Clinical Research Center for Mental Disorders (Xiangya), Chinese National Technology Institute on Mental Disorders, Hunan Key Laboratory of Psychiatry and Mental Health, Changsha, China
| | - Haishan Wu
- Department of Psychiatry, The Second Xiangya Hospital, Central South University, Changsha, China.,Mental Health Institute of the Second Xiangya Hospital, Central South University, Chinese National Clinical Research Center for Mental Disorders (Xiangya), Chinese National Technology Institute on Mental Disorders, Hunan Key Laboratory of Psychiatry and Mental Health, Changsha, China
| | - Jindong Chen
- Department of Psychiatry, The Second Xiangya Hospital, Central South University, Changsha, China.,Mental Health Institute of the Second Xiangya Hospital, Central South University, Chinese National Clinical Research Center for Mental Disorders (Xiangya), Chinese National Technology Institute on Mental Disorders, Hunan Key Laboratory of Psychiatry and Mental Health, Changsha, China
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32
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Chen SJ, Liao DL, Chen CH, Wang TY, Chen KC. Construction and Analysis of Protein-Protein Interaction Network of Heroin Use Disorder. Sci Rep 2019; 9:4980. [PMID: 30899073 PMCID: PMC6428805 DOI: 10.1038/s41598-019-41552-z] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Accepted: 03/11/2019] [Indexed: 12/17/2022] Open
Abstract
Heroin use disorder (HUD) is a complex disease resulting from interactions among genetic and other factors (e.g., environmental factors). The mechanism of HUD development remains unknown. Newly developed network medicine tools provide a platform for exploring complex diseases at the system level. This study proposes that protein–protein interactions (PPIs), particularly those among proteins encoded by casual or susceptibility genes, are extremely crucial for HUD development. The giant component of our constructed PPI network comprised 111 nodes with 553 edges, including 16 proteins with large degree (k) or high betweenness centrality (BC), which were further identified as the backbone of the network. JUN with the largest degree was suggested to be central to the PPI network associated with HUD. Moreover, PCK1 with the highest BC and MAPK14 with the secondary largest degree and 9th highest BC might be involved in the development HUD and other substance diseases.
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Affiliation(s)
- Shaw-Ji Chen
- Department of Medicine, Mackay Medical College, New Taipei City, Taiwan.,Department of Psychiatry, Mackay Memorial Hospital, Taitung Branch, Taiwan
| | - Ding-Lieh Liao
- Bali Psychiatric Center, Department of Health, Executive Yuan, New Taipei, Taiwan
| | - Chia-Hsiang Chen
- Department of Psychiatry, Chang Gung Memorial Hospital at Linkou and Chang Gung University School of Medicine, Taoyuan, Taiwan
| | - Tse-Yi Wang
- Department of Medical Informatics, Tzu Chi University, Hualien, Taiwan
| | - Kuang-Chi Chen
- Department of Medical Informatics, Tzu Chi University, Hualien, Taiwan.
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Wscieklica T, Le Sueur-Maluf L, Prearo L, Conte R, Viana MDB, Céspedes IC. Chronic intermittent ethanol administration differentially alters DeltaFosB immunoreactivity in cortical-limbic structures of rats with high and low alcohol preference. THE AMERICAN JOURNAL OF DRUG AND ALCOHOL ABUSE 2019; 45:264-275. [DOI: 10.1080/00952990.2019.1569667] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Tatiana Wscieklica
- Departamento de Biociências, Universidade Federal de São Paulo (UNIFESP), Santos, SP, Brazil
| | - Luciana Le Sueur-Maluf
- Departamento de Biociências, Universidade Federal de São Paulo (UNIFESP), Santos, SP, Brazil
| | - Leandro Prearo
- Pró-Reitor de Graduação, Universidade Municipal de São Caetano do Sul (USCS), São Caetano do Sul, SP, Brazil
| | - Rafael Conte
- Departamento de Neurociências e Neurocirurgia, Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil
| | - Milena de Barros Viana
- Departamento de Biociências, Universidade Federal de São Paulo (UNIFESP), Santos, SP, Brazil
| | - Isabel Cristina Céspedes
- Departamento de Morfologia e Genética, Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil
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Atehortua-Martinez LA, Masniere C, Campolongo P, Chasseigneaux S, Callebert J, Zwergel C, Mai A, Laplanche JL, Chen H, Etheve-Quelquejeu M, Mégarbane B, Benturquia N. Acute and chronic neurobehavioral effects of the designer drug and bath salt constituent 3,4-methylenedioxypyrovalerone in the rat. J Psychopharmacol 2019; 33:392-405. [PMID: 30644332 DOI: 10.1177/0269881118822151] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
BACKGROUND The substantial increase in use of 3,4-methylenedioxypyrovalerone (MDPV), a popular recreational synthetic cathinone, has raised legitimate questions about its behavioral consequences and abuse liability. AIMS The aim of this study was to study MDPV-induced neurobehavioral effects in the rat, using different paradigms traditionally developed to study drug-attributed addictive properties. METHODS Different patterns of intraperitoneal 3 mg/kg MDPV administration were investigated. Consequences on rat horizontal locomotion and behavior of acute, intermittent (once daily dosing over 10 days), and binge (three-time daily dosing for 3 days) MDPV administration as well as challenge after 10 day MDPV withdrawal were studied. The dopamine receptor-D1 antagonist, SCH23390, was bilaterally infused in the nucleus accumbens to determine the role of D1-receptors in MDPV-related effects on the associative memory recall using the conditioned place preference paradigm. In addition, in a separate experience using western blot, we investigated the effects of chronic MDPV administration (four injections during 24 h) on ΔFosB expression in the nucleus accumbens, caudate putamen, and prefrontal cortex. RESULTS Acute MDPV administration increased stereotypies and open arm entries in the elevated plus maze while SCH23390 abolished MDPV-induced enhancing effects on memory consolidation. Intermittent MDPV administration resulted in sensitization of MDPV-induced locomotor effects and tolerance during the following challenge. With binge MDPV administration, locomotor activity was not altered despite tolerance onset after challenge. SCH23390 abolished MDPV-induced conditioned place preference. Chronic MDPV administration induced ΔFosB accumulation in the nucleus accumbens, caudate putamen, and prefrontal cortex. CONCLUSIONS Our findings clearly show that MDPV produces profound behavioral alterations mediated by the activation of the dopaminergic system similarly to other amphetamines.
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Affiliation(s)
| | - Cyriaque Masniere
- 1 Inserm, UMR-S 1144, Paris-Descartes and Paris-Diderot University, Paris, France
| | - Patrizia Campolongo
- 2 Department of Physiology and Pharmacology "V. Erspamer", Sapienza University of Rome and IRCCS Santa Lucia Foundation, Rome, Italy
| | | | - Jacques Callebert
- 1 Inserm, UMR-S 1144, Paris-Descartes and Paris-Diderot University, Paris, France
| | - Clemens Zwergel
- 3 Department of Chemistry and Technology of Drugs, Sapienza University of Rome, Rome, Italy
| | - Antonello Mai
- 3 Department of Chemistry and Technology of Drugs, Sapienza University of Rome, Rome, Italy
| | - Jean-Louis Laplanche
- 1 Inserm, UMR-S 1144, Paris-Descartes and Paris-Diderot University, Paris, France
| | - Huixiong Chen
- 4 CNRS, UMR8601, Laboratory of Chemistry and Pharmacological and Toxicological Biochemistry, CBNIT, Paris-Descartes University, Paris, France
| | - Mélanie Etheve-Quelquejeu
- 4 CNRS, UMR8601, Laboratory of Chemistry and Pharmacological and Toxicological Biochemistry, CBNIT, Paris-Descartes University, Paris, France
| | - Bruno Mégarbane
- 1 Inserm, UMR-S 1144, Paris-Descartes and Paris-Diderot University, Paris, France.,5 Department of Medical and Toxicological Critical Care, Lariboisière Hospital, Paris, France
| | - Nadia Benturquia
- 1 Inserm, UMR-S 1144, Paris-Descartes and Paris-Diderot University, Paris, France
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Sanna F, Poddighe L, Serra MP, Boi M, Bratzu J, Sanna F, Corda MG, Giorgi O, Melis MR, Argiolas A, Quartu M. c-Fos, ΔFosB, BDNF, trkB and Arc Expression in the Limbic System of Male Roman High- and Low-Avoidance Rats that Show Differences in Sexual Behavior: Effect of Sexual Activity. Neuroscience 2019; 396:1-23. [DOI: 10.1016/j.neuroscience.2018.11.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Revised: 10/31/2018] [Accepted: 11/01/2018] [Indexed: 12/26/2022]
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Ohene-Nyako M, Persons AL, Napier TC. Region-specific changes in markers of neuroplasticity revealed in HIV-1 transgenic rats by low-dose methamphetamine. Brain Struct Funct 2018; 223:3503-3513. [PMID: 29931627 DOI: 10.1007/s00429-018-1701-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Accepted: 06/15/2018] [Indexed: 12/15/2022]
Abstract
Methamphetamine abuse co-occurring with HIV infection presents neuropathology in brain regions that mediate reward and motivation. A neuronal signaling cascade altered acutely by meth and some HIV-1 proteins is the mitogen-activated protein kinase (MAPK) pathway. It remains unknown if chronic co-exposure to meth and HIV-1 proteins converge on MAPK in vivo. To make this determination, we studied young adult Fischer 344 HIV-1 transgenic (Tg) and non-Tg rats that self-administered meth (0.02-0.04 mg/kg/0.05 ml iv infusion, 2 h/day for 21 days) and their saline-yoked controls. One day following the operant task, rats were killed. Brain regions involved in reward-motivation [i.e., nucleus accumbens (NA) and ventral pallidum (VP)], were assayed for a MAPK cascade protein, extracellular signal-regulated kinase (ERK), and a downstream transcription factor, ΔFosB. In the NA, activated (phosphorylated; p) ERK-to-ERK ratio (pERK/ERK) was increased in meth-exposed Tg rats versus saline Tg controls, and versus meth non-Tg rats. ΔFosB was increased in meth Tg rats versus saline and meth non-Tg rats. Assessment of two targets of ΔFosB-regulated transcription revealed (1) increased dopamine D1 receptor (D1R) immunoreactivity in the NA shell of Tg-meth rats versus saline Tg controls, but (2) no changes in the AMPA receptor subunit, GluA2. No changes related to genotype or meth occurred for ERK, ΔFosB or D1R protein in the VP. Results reveal a region-specific activation of ERK, and increases in ΔFosB and D1R expression induced by HIV-1 proteins and meth. Such effects may contribute to the neuronal and behavioral pathology associated with meth/HIV comorbidity.
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Affiliation(s)
- Michael Ohene-Nyako
- Department of Pharmacology, Rush University, Chicago, IL, USA.,Center for Compulsive Behavior and Addiction, Rush University, Chicago, IL, USA
| | - Amanda L Persons
- Department of Physician Assistant Studies, Rush University, Chicago, IL, USA.,Department of Psychiatry, Rush University Medical Center, 1735 W. Harrison Street, Cohn Research Building Suite #424, Chicago, IL, 60612, USA.,Center for Compulsive Behavior and Addiction, Rush University, Chicago, IL, USA
| | - T Celeste Napier
- Department of Psychiatry, Rush University Medical Center, 1735 W. Harrison Street, Cohn Research Building Suite #424, Chicago, IL, 60612, USA. .,Center for Compulsive Behavior and Addiction, Rush University, Chicago, IL, USA.
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Pirník Z, Kolesárová M, Železná B, Maletínská L. Repeated peripheral administration of lipidized prolactin-releasing peptide analog induces c-fos and FosB expression in neurons of dorsomedial hypothalamic nucleus in male C57 mice. Neurochem Int 2018; 116:77-84. [DOI: 10.1016/j.neuint.2018.03.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Revised: 03/12/2018] [Accepted: 03/26/2018] [Indexed: 11/30/2022]
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What Is the Evidence for "Food Addiction?" A Systematic Review. Nutrients 2018; 10:nu10040477. [PMID: 29649120 PMCID: PMC5946262 DOI: 10.3390/nu10040477] [Citation(s) in RCA: 123] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2018] [Revised: 03/26/2018] [Accepted: 04/06/2018] [Indexed: 11/29/2022] Open
Abstract
The diagnostic construct of “food addiction” is a highly controversial subject. The current systematic review is the first to evaluate empirical studies examining the construct of “food addiction” in humans and animals. Studies were included if they were quantitative, peer-reviewed, and in the English language. The 52 identified studies (35 articles) were qualitatively assessed to determine the extent to which their findings indicated the following addiction characteristics in relation to food: brain reward dysfunction, preoccupation, risky use, impaired control, tolerance/withdrawal, social impairment, chronicity, and relapse. Each pre-defined criterion was supported by at least one study. Brain reward dysfunction and impaired control were supported by the largest number of studies (n = 21 and n = 12, respectively); whereas risky use was supported by the fewest (n = 1). Overall, findings support food addiction as a unique construct consistent with criteria for other substance use disorder diagnoses. The evidence further suggests that certain foods, particularly processed foods with added sweeteners and fats, demonstrate the greatest addictive potential. Though both behavioral and substance-related factors are implicated in the addictive process, symptoms appear to better fit criteria for substance use disorder than behavioral addiction. Future research should explore social/role impairment, preoccupation, and risky use associated with food addiction and evaluate potential interventions for prevention and treatment.
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Kowiański P, Lietzau G, Steliga A, Czuba E, Ludkiewicz B, Waśkow M, Spodnik JH, Moryś J. Nicotine-induced CREB and DeltaFosB activity is modified by caffeine in the brain reward system of the rat. J Chem Neuroanat 2018; 88:1-12. [PMID: 29100904 DOI: 10.1016/j.jchemneu.2017.10.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Revised: 10/30/2017] [Accepted: 10/31/2017] [Indexed: 12/21/2022]
Abstract
Coffee and nicotine consumption are frequently combined, indicating possible intensifying effect of caffeine on smoking behavior, although neurobiological background of this phenomenon remains unknown. We aimed at determining the effect of caffeine and nicotine, applied separately or simultaneously, on activation of six structures of the brain reward system: nucleus accumbens (NAc), ventral tegmental area (VTA), amygdala (Amg), hippocampus (Hip), medial prefrontal cortex (mPfr) and dorsal striatum (CdP) in the adult male Wistar rats. Activation of two transcription factors, the phosphorylated form of cyclic AMP-response element binding protein (pCREB) and DeltaFosB (ΔFosB) was assessed by immunohistochemistry after multiple-dose five-days psychostimulants administration followed by 20min and 24h survival, respectively. Nicotine evoked the highest increase of pCREB-immunoreactivity (-ir) in NAc, while caffeine exerted the weakest effect in mPfr and CdP. Nicotine/caffeine co-administration resulted in decrease of pCREB-ir in NAc and increase in Amg, compared with the effect of each psychostimulant used separately. Nicotine was the strongest psychostimulant activating ΔFosB-ir in Amg, whereas caffeine - in Hip. Nicotine/caffeine-exerted effect upon ΔFosB-ir in Amg was weaker, whereas in mPfr stronger, than nicotine-evoked effect in these structures. In summary, pCREB and ΔFosB activation is dependent on the type of stimulus, brain structure and functional context. Activation of both transcription factors is responsible for caffeine's modifying effect upon nicotine-related behaviors and must be taken into account while quitting cigarette smoking.
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Affiliation(s)
- Przemysław Kowiański
- Department of Anatomy and Neurobiology, Medical University of Gdansk, 1 Debinki Str., 80-211 Gdansk, Poland; Department of Health Sciences, Pomeranian University of Slupsk, 64 Bohaterów Westerplatte Str., 76-200 Slupsk, Poland.
| | - Grażyna Lietzau
- Department of Anatomy and Neurobiology, Medical University of Gdansk, 1 Debinki Str., 80-211 Gdansk, Poland; Department of Clinical Science and Education, Södersjukhuset, Internal Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Aleksandra Steliga
- Department of Health Sciences, Pomeranian University of Slupsk, 64 Bohaterów Westerplatte Str., 76-200 Slupsk, Poland
| | - Ewelina Czuba
- Department of Anatomy and Neurobiology, Medical University of Gdansk, 1 Debinki Str., 80-211 Gdansk, Poland
| | - Beata Ludkiewicz
- Department of Anatomy and Neurobiology, Medical University of Gdansk, 1 Debinki Str., 80-211 Gdansk, Poland
| | - Monika Waśkow
- Department of Health Sciences, Pomeranian University of Slupsk, 64 Bohaterów Westerplatte Str., 76-200 Slupsk, Poland
| | - Jan H Spodnik
- Department of Anatomy and Neurobiology, Medical University of Gdansk, 1 Debinki Str., 80-211 Gdansk, Poland
| | - Janusz Moryś
- Department of Anatomy and Neurobiology, Medical University of Gdansk, 1 Debinki Str., 80-211 Gdansk, Poland
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Xiong M, Shiwalkar N, Reddy K, Shin P, Bekker A. Neurobiology of Propofol Addiction and Supportive Evidence: What Is the New Development? Brain Sci 2018; 8:brainsci8020036. [PMID: 29470436 PMCID: PMC5836055 DOI: 10.3390/brainsci8020036] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Revised: 02/14/2018] [Accepted: 02/18/2018] [Indexed: 12/21/2022] Open
Abstract
Propofol is a short-acting intravenous anesthetic agent suitable for induction and maintenance of general anesthesia as well as for procedural and intensive care unit sedation. As such it has become an unparalleled anesthetic agent of choice in many institutional and office practices. However, in addition to its idealistic properties as an anesthetic agent, there is accumulating evidence suggesting its potential for abuse. Clinical and experimental evidence has revealed that not only does propofol have the potential to be abused, but also that addiction to propofol shows a high mortality rate. Based on this evidence, different researchers have shown interest in determining the probability of propofol to be an addictive agent by comparing it with other drugs of abuse and depicting a functional similitude that involves the mesocorticolimbic pathway of addiction. In light of this, the Drug Enforcement Agency and the American Society of Anesthesiologists have put forth certain safety recommendations for the use of propofol. Despite this, the abuse potential of propofol has been challenged at different levels and therefore the preeminent focus will be to further validate the linkage from medicinal and occasional use of propofol to its addiction, as well as to explore the cellular and molecular targets involved in establishing this linkage, so as to curb the harm arising out of it. This review incorporates the clinical and biomolecular evidence supporting the abuse potential of propofol and brings forth the promising targets and the foreseeable mechanism causing the propofol addiction phenotypes, which can be called upon for future developments in this field.
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Affiliation(s)
- Ming Xiong
- Department of Anesthesiology, New Jersey Medical School, Rutgers University, Newark, NJ 07107, USA.
| | - Nimisha Shiwalkar
- Department of Anesthesiology, New Jersey Medical School, Rutgers University, Newark, NJ 07107, USA.
| | - Kavya Reddy
- Department of Anesthesiology, New Jersey Medical School, Rutgers University, Newark, NJ 07107, USA.
| | - Peter Shin
- Department of Anesthesiology, New Jersey Medical School, Rutgers University, Newark, NJ 07107, USA.
| | - Alex Bekker
- Department of Anesthesiology, New Jersey Medical School, Rutgers University, Newark, NJ 07107, USA.
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Beloate LN, Coolen LM. Effects of Sexual Experience on Psychostimulant- and Opiate-Induced Behavior and Neural Plasticity in the Mesocorticolimbic Pathway. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2018; 140:249-270. [DOI: 10.1016/bs.irn.2018.07.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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McHenry JA, Robison CL, Bell GA, Vialou VV, Bolaños-Guzmán CA, Nestler EJ, Hull EM. The role of ΔfosB in the medial preoptic area: Differential effects of mating and cocaine history. Behav Neurosci 2017; 130:469-78. [PMID: 27657309 DOI: 10.1037/bne0000160] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The transcription factor deltaFosB (ΔFosB) is induced in the nucleus accumbens (NAc) by repeated exposure to drugs of abuse and natural rewards. Less is known about its role in other brain areas. Here, we compared the effects of mating versus cocaine history on induction of ΔFosB in the medial preoptic area (MPOA), an integral site for reproductive behavior, and in the NAc. ΔFosB immunoreactivity (ir) was increased in the MPOA of previously naïve and experienced male rats that mated the day before euthanasia, compared to unmated controls and experienced males with recent mating abstinence. Western immunoblots confirmed that the 35-37-kDa isoform of ΔFosB was increased more in recently mated males. Conversely, previous plus recent cocaine did not increase ΔFosB-ir in the MPOA, despite an increase in the NAc. Next, a viral vector expressing ΔFosB, its dominant negative antagonist ΔJunD, or green fluorescent protein (GFP) control, were microinjected bilaterally into the MPOA. ΔFosB overexpression impaired copulation and promoted female-directed aggression, compared to ΔJunD and control males. These data suggest that ΔFosB in the mPOA is expressed in an experience-dependent manner and affects systems that coordinate mating and aggression. (PsycINFO Database Record
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Affiliation(s)
| | | | | | - Vincent V Vialou
- Department of Neuroscience, Icahn School of Medicine at Mount Sinai
| | | | - Eric J Nestler
- Department of Neuroscience, Icahn School of Medicine at Mount Sinai
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Perondi MC, Gutiérrez MC, Valdomero A, Cuadra GR. Perinatal protein deprivation facilitates morphine cross-sensitization to cocaine and enhances ΔFosB expression in adult rats. Behav Brain Res 2017; 333:203-210. [DOI: 10.1016/j.bbr.2017.06.051] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Revised: 06/26/2017] [Accepted: 06/30/2017] [Indexed: 10/19/2022]
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Amri J, Sadegh M, Moulaei N, Palizvan MR. Transgenerational modification of hippocampus TNF-α and S100B levels in the offspring of rats chronically exposed to morphine during adolescence. THE AMERICAN JOURNAL OF DRUG AND ALCOHOL ABUSE 2017; 44:95-102. [PMID: 28750172 DOI: 10.1080/00952990.2017.1348509] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
BACKGROUND TNF-α and S100B are important signaling factors that are involved in many aberrant conditions of the brain. Chronic morphine exposure causes aberrant modifications in the brain. OBJECTIVES We examined the consequences of chronic morphine consumption by parents before mating on hippocampus TNF-α and S100B levels in the parents and their offspring. METHODS A total of 12 adult female and 12 adult male Wistar rats were used as parents. Each gender was divided randomly into two groups: control and morphine consumer. Morphine consumer groups received morphine sulfate dissolved in drinking water (0.4 mg/ml) for 60 days. Control groups received water. Thirty days before mating, morphine was replaced with water. All offspring also received water. The hippocampus of both parental and offspring groups was extracted to measure TNF-α and S100B levels using an ELISA. RESULTS Hippocampus TNF-α levels were significantly increased due to chronic morphine use in both male and female parents compared to those of control parents (P < 0.01). Moreover, both male and female offspring of morphine-exposed parents showed a significant increase in hippocampus TNF-α levels compared to those of control offspring (P < 0.01). Hippocampus levels of S100B were significantly decreased in male (P < 0.05) but not female morphine consumer parents relative to control parents. Both male and female offspring of morphine-exposed parents showed significant decreases in hippocampus S100B levels (P < 0.05) compared to those of control offspring. CONCLUSIONS The consequences of chronic morphine use by parents, even when it is stopped long before mating and pregnancy, could induce modifications in the hippocampus of the next generation.
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Affiliation(s)
- Jamal Amri
- a Department of Biochemistry and Genetics, Faculty of Medicine , Arak University of Medical Sciences , Arak , Iran
| | - Mehdi Sadegh
- b Department of Physiology, Faculty of Medicine , Arak University of Medical Sciences , Arak , Iran
| | - Neda Moulaei
- b Department of Physiology, Faculty of Medicine , Arak University of Medical Sciences , Arak , Iran
| | - Mohammad Reza Palizvan
- b Department of Physiology, Faculty of Medicine , Arak University of Medical Sciences , Arak , Iran
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Karim TJ, Reyes-Vazquez C, Dafny N. Comparison of the VTA and LC response to methylphenidate: a concomitant behavioral and neuronal study of adolescent male rats. J Neurophysiol 2017; 118:1501-1514. [PMID: 28615331 DOI: 10.1152/jn.00145.2017] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Revised: 06/12/2017] [Accepted: 06/12/2017] [Indexed: 12/21/2022] Open
Abstract
Methylphenidate (MPD), also known as Ritalin, is a psychostimulant used to treat attention deficit hyperactivity disorder. However, it is increasingly being misused by normal adolescents for recreation and academic advantage. Therefore, it is important to elucidate the behavioral and neurophysiological effects of MPD in normal subjects. MPD inhibits the reuptake of catecholamines, mainly found in the ventral tegmental area (VTA) and locus coeruleus (LC). The VTA and LC normally mediate attention, motivation, and drug reward behaviors. Selective neuronal connections between the VTA and LC have been identified implicating regular interaction between the structures. The objective of this study was to compare the neuronal responses of the VTA and LC to MPD in normal adolescent rats. Animals were implanted with permanent electrodes in the VTA and LC, and neuronal units were recorded following acute and repetitive (chronic) saline or 0.6, 2.5, or 10.0 mg/kg MPD exposure. Animals displayed either behavioral sensitization or tolerance to all three doses of MPD. Acute MPD exposure elicited excitation in the majority of all VTA and LC units. Chronic MPD exposure elicited a further increase in VTA and LC neuronal activity in animals exhibiting behavioral sensitization and an attenuation in VTA and LC neuronal activity in animals exhibiting behavioral tolerance, demonstrating neurophysiological sensitization and tolerance, respectively. The similar pattern in VTA and LC unit activity suggests that the two structures are linked in their response to MPD. These results may help determine the exact mechanism of action of MPD, resulting in optimized treatment of patients.NEW & NOTEWORTHY The same dose of 0.6, 2.5, and 10 mg/kg methylphenidate (MPD) elicits either behavioral sensitization or tolerance in adolescent rats. There is a direct correlation between the ventral tegmental area (VTA) and locus coeruleus (LC) neuronal response to chronic MPD exposure. Both the VTA and LC are involved in the behavioral and neurophysiological effects of chronic MPD.
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Affiliation(s)
- Tahseen J Karim
- Department of Neurobiology and Anatomy, McGovern Medical School, Houston, Texas
| | - Cruz Reyes-Vazquez
- Department of Neurobiology and Anatomy, McGovern Medical School, Houston, Texas
| | - Nachum Dafny
- Department of Neurobiology and Anatomy, McGovern Medical School, Houston, Texas
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Todd SM, Zhou C, Clarke DJ, Chohan TW, Bahceci D, Arnold JC. Interactions between cannabidiol and Δ 9-THC following acute and repeated dosing: Rebound hyperactivity, sensorimotor gating and epigenetic and neuroadaptive changes in the mesolimbic pathway. Eur Neuropsychopharmacol 2017; 27:132-145. [PMID: 28043732 DOI: 10.1016/j.euroneuro.2016.12.004] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2016] [Revised: 12/07/2016] [Accepted: 12/16/2016] [Indexed: 11/25/2022]
Abstract
The evidence base for the use of medical cannabis preparations containing specific ratios of cannabidiol (CBD) and Δ9-tetrahydrocannabinol (THC) is limited. While there is abundant data on acute interactions between CBD and THC, few studies have assessed the impact of their repeated co-administration. We previously reported that CBD inhibited or potentiated the acute effects of THC dependent on the measure being examined at a 1:1 CBD:THC dose ratio. Further, CBD decreased THC effects on brain regions involved in memory, anxiety and body temperature regulation. Here we extend on these finding by examining over 15 days of treatment whether CBD modulated the repeated effects of THC on behaviour and neuroadaption markers in the mesolimbic dopamine pathway. After acute locomotor suppression, repeated THC caused rebound locomotor hyperactivity that was modestly inhibited by CBD. CBD also slightly reduced the acute effects of THC on sensorimotor gating. These subtle effects were found at a 1:1 CBD:THC dose ratio but were not accentuated by a 5:1 dose ratio. CBD did not alter the trajectory of enduring THC-induced anxiety nor tolerance to the pharmacological effects of THC. There was no evidence of CBD potentiating the behavioural effects of THC. However we demonstrated for the first time that repeated co-administration of CBD and THC increased histone 3 acetylation (H3K9/14ac) in the VTA and ΔFosB expression in the nucleus accumbens. These changes suggest that while CBD may have protective effects acutely, its long-term molecular actions on the brain are more complex and may be supradditive.
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Affiliation(s)
- Stephanie M Todd
- Brain and Mind Centre, University of Sydney, Sydney, Australia; Discipline of Pharmacology, School of Medical Science, University of Sydney, Sydney, Australia
| | - Cilla Zhou
- Brain and Mind Centre, University of Sydney, Sydney, Australia; Discipline of Pharmacology, School of Medical Science, University of Sydney, Sydney, Australia
| | - David J Clarke
- Brain and Mind Centre, University of Sydney, Sydney, Australia; Discipline of Pharmacology, School of Medical Science, University of Sydney, Sydney, Australia
| | - Tariq W Chohan
- Brain and Mind Centre, University of Sydney, Sydney, Australia; Discipline of Pharmacology, School of Medical Science, University of Sydney, Sydney, Australia
| | - Dilara Bahceci
- Brain and Mind Centre, University of Sydney, Sydney, Australia; Discipline of Pharmacology, School of Medical Science, University of Sydney, Sydney, Australia; The Lambert Initiative of Cannabinoid Therapeutics, University of Sydney, Sydney, Australia
| | - Jonathon C Arnold
- Brain and Mind Centre, University of Sydney, Sydney, Australia; Discipline of Pharmacology, School of Medical Science, University of Sydney, Sydney, Australia; The Lambert Initiative of Cannabinoid Therapeutics, University of Sydney, Sydney, Australia.
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47
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Na HH, Noh HJ, Cheong HM, Kang Y, Kim KC. SETDB1 mediated FosB expression increases the cell proliferation rate during anticancer drug therapy. BMB Rep 2017; 49:238-43. [PMID: 26949019 PMCID: PMC4915244 DOI: 10.5483/bmbrep.2016.49.4.031] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2016] [Indexed: 11/29/2022] Open
Abstract
The efficacy of anticancer drugs depends on a variety of signaling pathways, which can be positively or negatively regulated. In this study, we show that SETDB1 HMTase is down-regulated at the transcriptional level by several anticancer drugs, due to its inherent instability. Using RNA sequence analysis, we identified FosB as being regulated by SETDB1 during anticancer drug therapy. FosB expression was increased by treatment with doxorubicin, taxol and siSETDB1. Moreover, FosB was associated with an increased rate of proliferation. Combinatory transfection of siFosB and siSETDB1 was slightly increased compared to transfection of siFosB. Furthermore, FosB was regulated by multiple kinase pathways. ChIP analysis showed that SETDB1 and H3K9me3 interact with a specific region of the FosB promoter. These results suggest that SETDB1-mediated FosB expression is a common molecular phenomenon, and might be a novel pathway responsible for the increase in cell proliferation that frequently occurs during anticancer drug therapy. [BMB Reports 2016; 49(4): 238-243]
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Affiliation(s)
- Han-Heom Na
- Department of Biological Sciences, College of Natural Sciences, Kangwon National University, Chuncheon 24341, Korea
| | - Hee-Jung Noh
- Department of Biological Sciences, College of Natural Sciences, Kangwon National University, Chuncheon 24341, Korea
| | - Hyang-Min Cheong
- Division of Respiratory Viruses, Center for Disease Control and Prevention, Korea National Institute of Health, Osong 28160, Korea
| | - Yoonsung Kang
- Institute for Diagnostic Markers, Eudipia Inc, Osong 28160, Korea
| | - Keun-Cheol Kim
- Department of Biological Sciences, College of Natural Sciences, Kangwon National University, Chuncheon 24341, Korea
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Buonocore F, Marques Gomes ACN, Nabhani-Gebara S, Barton SJ, Calabrese G. Labelling of electronic cigarettes: regulations and current practice. Tob Control 2017; 26:46-52. [PMID: 26790924 PMCID: PMC5256311 DOI: 10.1136/tobaccocontrol-2015-052683] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2015] [Revised: 12/23/2015] [Accepted: 12/29/2015] [Indexed: 11/30/2022]
Abstract
BACKGROUND Over the past decade e-cigarettes have established themselves in the global market. E-cigarettes triggered much interest in relation to their content and efficacy as smoking cessation tools, but less attention has been paid to users and environmental safety warnings and guidance. Several regulations have been introduced to promote their safe handling and disposal. From May 2016, liquids and cartridges will be regulated by European Community Directives (ECDs) 2001/83/EC and 93/42/EEC, or 2014/40/EU if marketed as tobacco-related products. Currently, manufacturers and distributors must abide by the Chemical (Hazard Information and Packaging for Supply) Regulations 2009 (CHIP) or Classification, Labelling and Packaging Regulations (CLP), the latter replacing CHIP in June 2015. OBJECTIVE In this work, the compliance of marketed e-liquids and e-cigarettes with current European Union and UK legislations is assessed. RESULTS E-liquids and e-cigarettes (21 and 9 brands, respectively) were evaluated. Evidence of non-compliance was found in relation to the CHIP/CLP toxic (13%) and environmental (37%) pictograms, tactile warning (23%), nominal amount of solution (30%), supplier contact telephone number and address (40%). None of the evaluated e-cigarettes displayed information on the correct disposal/recycling of batteries in line with the ECD 2006/66/EC. CONCLUSIONS More stringent enforcement of regulations is needed to ensure not only the user's safety and awareness, but also the safeguarding of the environment.
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Affiliation(s)
- Federico Buonocore
- Department of Drug Discovery, Delivery and Patient Care, School of Pharmacy and Chemistry, Kingston University, Kingston-upon Thames, London, UK
| | - Ana C N Marques Gomes
- Department of Drug Discovery, Delivery and Patient Care, School of Pharmacy and Chemistry, Kingston University, Kingston-upon Thames, London, UK
| | - Shereen Nabhani-Gebara
- Department of Drug Discovery, Delivery and Patient Care, School of Pharmacy and Chemistry, Kingston University, Kingston-upon Thames, London, UK
| | - Stephen J Barton
- Department of Drug Discovery, Delivery and Patient Care, School of Pharmacy and Chemistry, Kingston University, Kingston-upon Thames, London, UK
| | - Gianpiero Calabrese
- Department of Drug Discovery, Delivery and Patient Care, School of Pharmacy and Chemistry, Kingston University, Kingston-upon Thames, London, UK
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49
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Perreault ML, Hasbi A, Shen MYF, Fan T, Navarro G, Fletcher PJ, Franco R, Lanciego JL, George SR. Disruption of a dopamine receptor complex amplifies the actions of cocaine. Eur Neuropsychopharmacol 2016; 26:1366-1377. [PMID: 27480020 DOI: 10.1016/j.euroneuro.2016.07.008] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2016] [Revised: 07/04/2016] [Accepted: 07/13/2016] [Indexed: 11/27/2022]
Abstract
Cocaine-induced increases in dopamine signaling in nucleus accumbens (NAc) play a significant role in cocaine seeking behavior. The majority of cocaine addiction research has focused on neuroanatomically segregated dopamine D1 and D2 receptor-expressing neurons, yet an involvement for those NAc neurons coexpressing D1 and D2 receptors in cocaine addiction has never been explored. In situ proximity ligation assay, confocal fluorescence resonance energy transfer and coimmunoprecipitation were used to show native D1 and D2 receptors formed a heteromeric complex in D1/D2 receptor-coexpressing neurons in rat and non-human primate NAc. D1-D2 heteromer expression was lower in NAc of adolescent rats compared to their adult counterparts. Functional disruption of the dopamine D1-D2 receptor heteromer, using a peptide targeting the site of interaction between the D1 and D2 receptor, induced conditioned place preference and increased NAc expression of ∆FosB. D1-D2 heteromer disruption also resulted in the promotion, exacerbation and acceleration of the locomotor activating and incentive motivational effects of cocaine in the self-administration paradigm. These findings support a model for tonic inhibition of basal and cocaine-induced reward processes by the D1-D2 heteromer thus highlighting its potential value as a novel target for drug discovery in cocaine addiction. Given that adolescents show increased drug abuse susceptibility, an involvement for reduced D1-D2 heteromer function in the heightened sensitivity to the rewarding effects of cocaine in adolescence is also implicated.
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Affiliation(s)
- Melissa L Perreault
- Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada; Department of Pharmacology and Toxicology, University of Toronto, Toronto, ON, Canada
| | - Ahmed Hasbi
- Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada; Department of Pharmacology and Toxicology, University of Toronto, Toronto, ON, Canada
| | - Maurice Y F Shen
- Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada; Department of Pharmacology and Toxicology, University of Toronto, Toronto, ON, Canada
| | - Theresa Fan
- Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada; Department of Pharmacology and Toxicology, University of Toronto, Toronto, ON, Canada
| | - Gemma Navarro
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Barcelona, Barcelona, Spain
| | - Paul J Fletcher
- Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada; Departments of Psychology and Psychiatry, University of Toronto, Toronto, ON, Canada
| | - Rafael Franco
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Barcelona, Barcelona, Spain; CIBERNED, Centro de Investigación en Red. Enfermedades Neurodegenerativas, Instituto de Salud Carlos III, Madrid, Spain
| | - José L Lanciego
- CIBERNED, Centro de Investigación en Red. Enfermedades Neurodegenerativas, Instituto de Salud Carlos III, Madrid, Spain; Department of Neurosciences, Center for Applied Medical Research, University of Navarra, Pamplona, Spain
| | - Susan R George
- Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada; Department of Pharmacology and Toxicology, University of Toronto, Toronto, ON, Canada; Department of Medicine, University of Toronto, Toronto, ON, Canada.
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50
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Gajewski PA, Turecki G, Robison AJ. Differential Expression of FosB Proteins and Potential Target Genes in Select Brain Regions of Addiction and Depression Patients. PLoS One 2016; 11:e0160355. [PMID: 27494187 PMCID: PMC4975388 DOI: 10.1371/journal.pone.0160355] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Accepted: 07/18/2016] [Indexed: 11/18/2022] Open
Abstract
Chronic exposure to stress or drugs of abuse has been linked to altered gene expression throughout the body, and changes in gene expression in discrete brain regions are thought to underlie many psychiatric diseases, including major depressive disorder and drug addiction. Preclinical models of these disorders have provided evidence for mechanisms of this altered gene expression, including transcription factors, but evidence supporting a role for these factors in human patients has been slow to emerge. The transcription factor ΔFosB is induced in the prefrontal cortex (PFC) and hippocampus (HPC) of rodents in response to stress or cocaine, and its expression in these regions is thought to regulate their "top down" control of reward circuitry, including the nucleus accumbens (NAc). Here, we use biochemistry to examine the expression of the FosB family of transcription factors and their potential gene targets in PFC and HPC postmortem samples from depressed patients and cocaine addicts. We demonstrate that ΔFosB and other FosB isoforms are downregulated in the HPC but not the PFC in the brains of both depressed and addicted individuals. Further, we show that potential ΔFosB transcriptional targets, including GluA2, are also downregulated in the HPC but not PFC of cocaine addicts. Thus, we provide the first evidence of FosB gene expression in human HPC and PFC in these psychiatric disorders, and in light of recent findings demonstrating the critical role of HPC ΔFosB in rodent models of learning and memory, these data suggest that reduced ΔFosB in HPC could potentially underlie cognitive deficits accompanying chronic cocaine abuse or depression.
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Affiliation(s)
- Paula A. Gajewski
- Genetics Program, Michigan State University, East Lansing, Michigan, United States of America
| | - Gustavo Turecki
- McGill Group for Suicide Studies, Douglas Mental Health University Institute and McGill University, Montréal, Québec, Canada
| | - Alfred J. Robison
- Genetics Program, Michigan State University, East Lansing, Michigan, United States of America
- Department of Physiology, Michigan State University, East Lansing, Michigan, United States of America
- * E-mail:
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