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TIAN T, XU X, SONG J, ZHANG X, ZHANG D, YUAN H, ZHONG F, LI J, HU Y. Learning and Memory Impairments With Attention-Deficit/Hyperactivity Disorder. Physiol Res 2024; 73:205-216. [PMID: 38710050 PMCID: PMC11081185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 11/02/2023] [Indexed: 05/08/2024] Open
Abstract
ADHD is a common chronic neurodevelopmental disorder and is characterized by persistent inattention, hyperactivity, impulsivity and are often accompanied by learning and memory impairment. Great evidence has shown that learning and memory impairment of ADHD plays an important role in its executive function deficits, which seriously affects the development of academic, cognitive and daily social skills and will cause a serious burden on families and society. With the increasing attention paid to learning and memory impairment in ADHD, relevant research is gradually increasing. In this article, we will present the current research results of learning and memory impairment in ADHD from the following aspects. Firstly, the animal models of ADHD, which display the core symptoms of ADHD as well as with learning and memory impairment. Secondly, the molecular mechanism of has explored, including some neurotransmitters, receptors, RNAs, etc. Thirdly, the susceptibility gene of ADHD related to the learning and impairment in order to have a more comprehensive understanding of the pathogenesis. Key words: Learning and memory, ADHD, Review.
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Affiliation(s)
- Tian TIAN
- Department of Children’s Health Care, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Maternal and Child Health Care Hospital, Nanjing, Jiangsu, China
| | - Xu XU
- Department of Children’s Health Care, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Maternal and Child Health Care Hospital, Nanjing, Jiangsu, China
| | - Jia SONG
- Department of Children’s Health Care, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Maternal and Child Health Care Hospital, Nanjing, Jiangsu, China
| | - Xiaoqian ZHANG
- Department of Children’s Health Care, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Maternal and Child Health Care Hospital, Nanjing, Jiangsu, China
| | - Dan ZHANG
- Department of Children’s Health Care, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Maternal and Child Health Care Hospital, Nanjing, Jiangsu, China
| | - Hui YUAN
- Department of Children’s Health Care, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Maternal and Child Health Care Hospital, Nanjing, Jiangsu, China
| | - Fengyu ZHONG
- Department of Children’s Health Care, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Maternal and Child Health Care Hospital, Nanjing, Jiangsu, China
| | - Jing LI
- Department of Children’s Health Care, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Maternal and Child Health Care Hospital, Nanjing, Jiangsu, China
| | - Youfang HU
- Department of Children’s Health Care, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Maternal and Child Health Care Hospital, Nanjing, Jiangsu, China
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Custodio RJP, Hengstler JG, Cheong JH, Kim HJ, Wascher E, Getzmann S. Adult ADHD: it is old and new at the same time - what is it? Rev Neurosci 2024; 35:225-241. [PMID: 37813870 DOI: 10.1515/revneuro-2023-0071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Accepted: 09/25/2023] [Indexed: 10/11/2023]
Abstract
Even though the number of studies aiming to improve comprehension of ADHD pathology has increased in recent years, there still is an urgent need for more effective studies, particularly in understanding adult ADHD, both at preclinical and clinical levels, due to the increasing evidence that adult ADHD is highly distinct and a different entity from childhood ADHD. This review paper outlines the symptoms, diagnostics, and neurobiological mechanisms of ADHD, with emphasis on how adult ADHD could be different from childhood-onset. Data show a difference in the environmental, genetic, epigenetic, and brain structural changes, when combined, could greatly impact the behavioral presentations and the severity of ADHD in adults. Furthermore, a crucial aspect in the quest to fully understand this disorder could be through longitudinal analysis. In this way, we will determine if and how the pathology and pharmacology of ADHD change with age. This goal could revolutionize our understanding of the disorder and address the weaknesses in the current clinical classification systems, improving the characterization and validity of ADHD diagnosis, specifically those in adults.
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Affiliation(s)
- Raly James Perez Custodio
- Networking Group Aging, Department of Ergonomics, Leibniz Research Centre for Working Environment and Human Factors at TU Dortmund (IfADo), Ardeystrasse 67, Dortmund 44139, Germany
| | - Jan G Hengstler
- Systems Toxicology, Department of Toxicology, Leibniz Research Centre for Working Environment and Human Factors at TU Dortmund (IfADo), Ardeystrasse 67, Dortmund 44139, Germany
| | - Jae Hoon Cheong
- Institute for New Drug Development, School of Pharmacy, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju-si, Jeollabuk-do 54896, South Korea
| | - Hee Jin Kim
- Uimyung Research Institute for Neuroscience, Department of Pharmacy, Sahmyook University, 815 Hwarangro, Nowon-gu, Seoul 01795, South Korea
| | - Edmund Wascher
- Experimental Ergonomics, Department of Ergonomics, Leibniz Research Centre for Working Environment and Human Factors at TU Dortmund (IfADo), Ardeystrasse 67, Dortmund 44139, Germany
| | - Stephan Getzmann
- Networking Group Aging, Department of Ergonomics, Leibniz Research Centre for Working Environment and Human Factors at TU Dortmund (IfADo), Ardeystrasse 67, Dortmund 44139, Germany
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3
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Jimenez H, Carrion J, Adrien L, Wolin A, Eun J, Cinamon E, Chang EH, Davies P, Vo A, Koppel J. The Impact of Muscarinic Antagonism on Psychosis-Relevant Behaviors and Striatal [ 11C] Raclopride Binding in Tau Mouse Models of Alzheimer's Disease. Biomedicines 2023; 11:2091. [PMID: 37626588 PMCID: PMC10452133 DOI: 10.3390/biomedicines11082091] [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: 06/21/2023] [Revised: 07/06/2023] [Accepted: 07/07/2023] [Indexed: 08/27/2023] Open
Abstract
Psychosis that occurs over the course of Alzheimer's disease (AD) is associated with increased caregiver burden and a more rapid cognitive and functional decline. To find new treatment targets, studies modeling psychotic conditions traditionally employ agents known to induce psychosis, utilizing outcomes with cross-species relevance, such as locomotive activity and sensorimotor gating, in rodents. In AD, increased burdens of tau pathology (a diagnostic hallmark of the disease) and treatment with anticholinergic medications have, separately, been reported to increase the risk of psychosis. Recent evidence suggests that muscarinic antagonists may increase extracellular tau. Preclinical studies in AD models have not previously utilized muscarinic cholinergic antagonists as psychotomimetic agents. In this report, we utilize a human-mutant-tau model (P301L/COMTKO) and an over-expressed non-mutant human tau model (htau) in order to compare the impact of antimuscarinic (scopolamine 10 mg/kg/day) treatment with dopaminergic (reboxetine 20 mg/kg/day) treatment, for 7 days, on locomotion and sensorimotor gating. Scopolamine increased spontaneous locomotion, while reboxetine reduced it; neither treatment impacted sensorimotor gating. In the P301L/COMTKO, scopolamine treatment was associated with decreased muscarinic M4 receptor expression, as quantified with RNA-seq, as well as increased dopamine receptor D2 signaling, as estimated with Micro-PET [11C] raclopride binding. Scopolamine also increased soluble tau in the striatum, an effect that partially mediated the observed increases in locomotion. Studies of muscarinic agonists in preclinical tau models are warranted to determine the impact of treatment-on both tau and behavior-that may have relevance to AD and other tauopathies.
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Affiliation(s)
- Heidy Jimenez
- The Litwin-Zucker Research Center for the Study of Alzheimer’s Disease, The Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY 11030, USA; (H.J.); (J.C.); (L.A.); (A.W.); (J.E.); (E.H.C.); (P.D.); (A.V.)
| | - Joseph Carrion
- The Litwin-Zucker Research Center for the Study of Alzheimer’s Disease, The Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY 11030, USA; (H.J.); (J.C.); (L.A.); (A.W.); (J.E.); (E.H.C.); (P.D.); (A.V.)
| | - Leslie Adrien
- The Litwin-Zucker Research Center for the Study of Alzheimer’s Disease, The Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY 11030, USA; (H.J.); (J.C.); (L.A.); (A.W.); (J.E.); (E.H.C.); (P.D.); (A.V.)
| | - Adam Wolin
- The Litwin-Zucker Research Center for the Study of Alzheimer’s Disease, The Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY 11030, USA; (H.J.); (J.C.); (L.A.); (A.W.); (J.E.); (E.H.C.); (P.D.); (A.V.)
| | - John Eun
- The Litwin-Zucker Research Center for the Study of Alzheimer’s Disease, The Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY 11030, USA; (H.J.); (J.C.); (L.A.); (A.W.); (J.E.); (E.H.C.); (P.D.); (A.V.)
| | - Ezra Cinamon
- Department of Biochemistry, Queens College, Flushing, NY 11355, USA;
| | - Eric H. Chang
- The Litwin-Zucker Research Center for the Study of Alzheimer’s Disease, The Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY 11030, USA; (H.J.); (J.C.); (L.A.); (A.W.); (J.E.); (E.H.C.); (P.D.); (A.V.)
| | - Peter Davies
- The Litwin-Zucker Research Center for the Study of Alzheimer’s Disease, The Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY 11030, USA; (H.J.); (J.C.); (L.A.); (A.W.); (J.E.); (E.H.C.); (P.D.); (A.V.)
| | - An Vo
- The Litwin-Zucker Research Center for the Study of Alzheimer’s Disease, The Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY 11030, USA; (H.J.); (J.C.); (L.A.); (A.W.); (J.E.); (E.H.C.); (P.D.); (A.V.)
| | - Jeremy Koppel
- The Litwin-Zucker Research Center for the Study of Alzheimer’s Disease, The Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY 11030, USA; (H.J.); (J.C.); (L.A.); (A.W.); (J.E.); (E.H.C.); (P.D.); (A.V.)
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Savchenko A, Targa G, Fesenko Z, Leo D, Gainetdinov RR, Sukhanov I. Dopamine Transporter Deficient Rodents: Perspectives and Limitations for Neuroscience. Biomolecules 2023; 13:biom13050806. [PMID: 37238676 DOI: 10.3390/biom13050806] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 05/04/2023] [Accepted: 05/05/2023] [Indexed: 05/28/2023] Open
Abstract
The key element of dopamine (DA) neurotransmission is undoubtedly DA transporter (DAT), a transmembrane protein responsible for the synaptic reuptake of the mediator. Changes in DAT's function can be a key mechanism of pathological conditions associated with hyperdopaminergia. The first strain of gene-modified rodents with a lack of DAT were created more than 25 years ago. Such animals are characterized by increased levels of striatal DA, resulting in locomotor hyperactivity, increased levels of motor stereotypes, cognitive deficits, and other behavioral abnormalities. The administration of dopaminergic and pharmacological agents affecting other neurotransmitter systems can mitigate those abnormalities. The main purpose of this review is to systematize and analyze (1) known data on the consequences of changes in DAT expression in experimental animals, (2) results of pharmacological studies in these animals, and (3) to estimate the validity of animals lacking DAT as models for discovering new treatments of DA-related disorders.
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Affiliation(s)
- Artem Savchenko
- Valdman Institute of Pharmacology, Pavlov First St. Petersburg State Medical University, Lev Tolstoy Str. 6-8, 197022 St. Petersburg, Russia
| | - Giorgia Targa
- Department of Pharmacological and Biomolecular Sciences "Rodolfo Paoletti", Università degli Studi di Milano, Via Balzaretti 9, 20133 Milano, Italy
| | - Zoia Fesenko
- Institute of Translational Biomedicine, St. Petersburg State University, 7/9 Universitetskaya Emb., 199034 St. Petersburg, Russia
| | - Damiana Leo
- Department of Neurosciences, University of Mons, 7000 Mons, Belgium
| | - Raul R Gainetdinov
- Institute of Translational Biomedicine, St. Petersburg State University, 7/9 Universitetskaya Emb., 199034 St. Petersburg, Russia
- St. Petersburg University Hospital, St. Petersburg State University, Fontanka River Emb. 154, 190121 St. Petersburg, Russia
| | - Ilya Sukhanov
- Valdman Institute of Pharmacology, Pavlov First St. Petersburg State Medical University, Lev Tolstoy Str. 6-8, 197022 St. Petersburg, Russia
- St. Petersburg University Hospital, St. Petersburg State University, Fontanka River Emb. 154, 190121 St. Petersburg, Russia
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Capuzzi E, Caldiroli A, Auxilia AM, Borgonovo R, Capellazzi M, Clerici M, Buoli M. Biological Predictors of Treatment Response in Adult Attention Deficit Hyperactivity Disorder (ADHD): A Systematic Review. J Pers Med 2022; 12:jpm12101742. [PMID: 36294881 PMCID: PMC9605680 DOI: 10.3390/jpm12101742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 10/12/2022] [Accepted: 10/17/2022] [Indexed: 11/16/2022] Open
Abstract
Background: Attention-deficit/hyperactivity disorder (ADHD) is a highly prevalent condition with onset in childhood and in many cases persisting into adulthood. Even though an increasing number of studies have investigated the efficacy of pharmacotherapy in the management of adult ADHD, few authors have tried to identify the biological predictors of treatment response. Objectives: To summarize the available data about the biological markers of treatment response in adults affected by ADHD. Methods: A search on the main biomedical and psychological archives (PubMed, Embase, Scopus, and PsycINFO) was performed. Manuscripts in English, published up to May 2022 and having the biological predictors of treatment response in adults with ADHD as their main topic, were included. Results: A total of 3855 articles was screened. Twenty-two articles were finally included. Most of the manuscripts studied neuroimaging and electrophysiological factors as potential predictors of treatment response in adult ADHD patients. No reliable markers were identified until now. Promising findings on this topic regard genetic polymorphisms in snap receptor (SNARE) proteins and default mode network-striatum connectivity. Conclusions: Even though some biological markers seem promising for the prediction of treatment response in adults affected by ADHD, further studies are needed to confirm the available data in the context of precision medicine.
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Affiliation(s)
- Enrico Capuzzi
- Psychiatric Department, Azienda Socio Sanitaria Territoriale Monza, 20900 Monza, Italy
- Correspondence: ; Tel.: +39-0392339670
| | - Alice Caldiroli
- Psychiatric Department, Azienda Socio Sanitaria Territoriale Monza, 20900 Monza, Italy
| | - Anna Maria Auxilia
- Department of Medicine and Surgery, University of Milano Bicocca, 20900 Monza, Italy
| | - Riccardo Borgonovo
- Department of Medicine and Surgery, University of Milano Bicocca, 20900 Monza, Italy
| | - Martina Capellazzi
- Department of Medicine and Surgery, University of Milano Bicocca, 20900 Monza, Italy
| | - Massimo Clerici
- Psychiatric Department, Azienda Socio Sanitaria Territoriale Monza, 20900 Monza, Italy
- Department of Medicine and Surgery, University of Milano Bicocca, 20900 Monza, Italy
| | - Massimiliano Buoli
- Department of Pathophysiology and Transplantation, University of Milan, 20122 Milan, Italy
- Department of Neurosciences and Mental Health, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
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Martinat M, Rossitto M, Di Miceli M, Layé S. Perinatal Dietary Polyunsaturated Fatty Acids in Brain Development, Role in Neurodevelopmental Disorders. Nutrients 2021; 13:1185. [PMID: 33918517 PMCID: PMC8065891 DOI: 10.3390/nu13041185] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 03/30/2021] [Accepted: 03/30/2021] [Indexed: 12/26/2022] Open
Abstract
n-3 and n-6 polyunsaturated fatty acids (PUFAs) are essential fatty acids that are provided by dietary intake. Growing evidence suggests that n-3 and n-6 PUFAs are paramount for brain functions. They constitute crucial elements of cellular membranes, especially in the brain. They are the precursors of several metabolites with different effects on inflammation and neuron outgrowth. Overall, long-chain PUFAs accumulate in the offspring brain during the embryonic and post-natal periods. In this review, we discuss how they accumulate in the developing brain, considering the maternal dietary supply, the polymorphisms of genes involved in their metabolism, and the differences linked to gender. We also report the mechanisms linking their bioavailability in the developing brain, their transfer from the mother to the embryo through the placenta, and their role in brain development. In addition, data on the potential role of altered bioavailability of long-chain n-3 PUFAs in the etiologies of neurodevelopmental diseases, such as autism, attention deficit and hyperactivity disorder, and schizophrenia, are reviewed.
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Dopamine modulates individual differences in avoidance behavior: A pharmacological, immunohistochemical, neurochemical and volumetric investigation. Neurobiol Stress 2020; 12:100219. [PMID: 32435668 PMCID: PMC7231994 DOI: 10.1016/j.ynstr.2020.100219] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 03/27/2020] [Accepted: 03/30/2020] [Indexed: 12/22/2022] Open
Abstract
Avoidance behavior is a hallmark in pathological anxiety disorders and results in impairment of daily activities. Individual differences in avoidance responses are critical in determining vulnerability or resistance to anxiety disorders. Dopaminergic activation is implicated in the processing of avoidance responses; however, the mechanisms underlying these responses are unknown. In this sense, we used a preclinical model of avoidance behavior to investigate the possibility of an intrinsic differential dopaminergic pattern between good and poor performers. The specific goal was to assess the participation of dopamine (DA) through pharmacological manipulation, and we further evaluated the effects of systemic injections of the dopaminergic receptor type 1 (D1 antagonist - SCH23390) and dopaminergic receptor type 2 (D2 antagonist - sulpiride) antagonists in the good performers. Additionally, we evaluated the effects of intra-amygdala microinjection of a D1 antagonist (SCH23390) and a D2 antagonist (sulpiride) in good performers as well as intra-amygdala microinjection of a D1 agonist (SKF38393) and D2 agonist (quinpirole) in poor performers. Furthermore, we quantified the contents of dopamine and metabolites (3,4-dihydroxyphenylacetic acid (DOPAC) and homovanillic acid (HVA)) in the amygdala, evaluated the basal levels of tyrosine hydroxylase expression (catecholamine synthesis enzyme) and measured the volume of the substantia nigra, ventral tegmental area and locus coeruleus. Our results showed that it could be possible to convert animals from good to poor performers, and vice versa, by intra-amygdala (basolateral and central nucleus) injections of D1 receptor antagonists in good performers or D2 receptor agonists in poor performers. Additionally, the good performers had lower levels of DOPAC and HVA in the amygdala, an increase in the total volume of the amygdala (AMG), substantia nigra (SN), ventral tegmental area (VTA) and locus coeruleus (LC), and an increase in the number of tyrosine hydroxylase-positive cells in SN, VTA and LC, which positively correlates with the avoidance behavior. Taken together, our data show evidence for a dopaminergic signature of avoidance performers, emphasizing the role of distinct dopaminergic receptors in individual differences in avoidance behavior based on pharmacological, immunohistochemical, neurochemical and volumetric analyses. Our findings provide a better understanding of the role of the dopaminergic system in the execution of avoidance behavior. The role of dopamine in individual differences in avoidance behavior. Dopamine modulates avoidance behavior. Dopaminergic evidence of individual difference in avoidance behavior. Good and poor avoiders distinction based on dopaminergic signature. Dopaminergic signature of avoidance performers: poor versus good avoiders.
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Tordo J, O'Leary C, Antunes ASLM, Palomar N, Aldrin-Kirk P, Basche M, Bennett A, D'Souza Z, Gleitz H, Godwin A, Holley RJ, Parker H, Liao AY, Rouse P, Youshani AS, Dridi L, Martins C, Levade T, Stacey KB, Davis DM, Dyer A, Clément N, Björklund T, Ali RR, Agbandje-McKenna M, Rahim AA, Pshezhetsky A, Waddington SN, Linden RM, Bigger BW, Henckaerts E. A novel adeno-associated virus capsid with enhanced neurotropism corrects a lysosomal transmembrane enzyme deficiency. Brain 2019; 141:2014-2031. [PMID: 29788236 PMCID: PMC6037107 DOI: 10.1093/brain/awy126] [Citation(s) in RCA: 70] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Accepted: 03/21/2018] [Indexed: 12/20/2022] Open
Abstract
Recombinant adeno-associated viruses (AAVs) are popular in vivo gene transfer vehicles. However, vector doses needed to achieve therapeutic effect are high and some target tissues in the central nervous system remain difficult to transduce. Gene therapy trials using AAV for the treatment of neurological disorders have seldom led to demonstrated clinical efficacy. Important contributing factors are low transduction rates and inefficient distribution of the vector. To overcome these hurdles, a variety of capsid engineering methods have been utilized to generate capsids with improved transduction properties. Here we describe an alternative approach to capsid engineering, which draws on the natural evolution of the virus and aims to yield capsids that are better suited to infect human tissues. We generated an AAV capsid to include amino acids that are conserved among natural AAV2 isolates and tested its biodistribution properties in mice and rats. Intriguingly, this novel variant, AAV-TT, demonstrates strong neurotropism in rodents and displays significantly improved distribution throughout the central nervous system as compared to AAV2. Additionally, sub-retinal injections in mice revealed markedly enhanced transduction of photoreceptor cells when compared to AAV2. Importantly, AAV-TT exceeds the distribution abilities of benchmark neurotropic serotypes AAV9 and AAVrh10 in the central nervous system of mice, and is the only virus, when administered at low dose, that is able to correct the neurological phenotype in a mouse model of mucopolysaccharidosis IIIC, a transmembrane enzyme lysosomal storage disease, which requires delivery to every cell for biochemical correction. These data represent unprecedented correction of a lysosomal transmembrane enzyme deficiency in mice and suggest that AAV-TT-based gene therapies may be suitable for treatment of human neurological diseases such as mucopolysaccharidosis IIIC, which is characterized by global neuropathology.
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Affiliation(s)
- Julie Tordo
- Department of Infectious Diseases, School of Immunology and Microbial Sciences, King's College London, London, UK
| | - Claire O'Leary
- Stem Cell and Neurotherapies, Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Manchester, UK
| | - André S L M Antunes
- Department of Infectious Diseases, School of Immunology and Microbial Sciences, King's College London, London, UK
| | - Nuria Palomar
- Department of Infectious Diseases, School of Immunology and Microbial Sciences, King's College London, London, UK
| | - Patrick Aldrin-Kirk
- Molecular Neuromodulation, Wallenberg Neuroscience Center, Lund University, Lund, Sweden
| | - Mark Basche
- Department of Genetics, UCL Institute of Ophthalmology, London, UK
| | - Antonette Bennett
- Department of Biochemistry and Molecular Biology, Center for Structural Biology, McKnight Brain Institute, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Zelpha D'Souza
- Stem Cell and Neurotherapies, Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Manchester, UK
| | - Hélène Gleitz
- Stem Cell and Neurotherapies, Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Manchester, UK
| | - Annie Godwin
- Stem Cell and Neurotherapies, Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Manchester, UK
| | - Rebecca J Holley
- Stem Cell and Neurotherapies, Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Manchester, UK
| | - Helen Parker
- Stem Cell and Neurotherapies, Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Manchester, UK
| | - Ai Yin Liao
- Stem Cell and Neurotherapies, Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Manchester, UK
| | - Paul Rouse
- Stem Cell and Neurotherapies, Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Manchester, UK
| | - Amir Saam Youshani
- Stem Cell and Neurotherapies, Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Manchester, UK
| | - Larbi Dridi
- CHU Ste-Justine, University of Montreal, Montreal, Canada
| | - Carla Martins
- CHU Ste-Justine, University of Montreal, Montreal, Canada
| | - Thierry Levade
- Centre Hospitalo-Universitaire de Toulouse, Institut Fédératif de Biologie, Laboratoire de Biochimie Métabolique, and Unité Mixte de Recherche (UMR) 1037 Institut National de la Santé et de la Recherche Médicale (INSERM), Centre de Recherche en Cancérologie de Toulouse, Toulouse, France
| | - Kevin B Stacey
- Manchester Collaborative Centre for Inflammation Research, Division of Infection, Immunity and Respiratory Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Manchester, UK
| | - Daniel M Davis
- Manchester Collaborative Centre for Inflammation Research, Division of Infection, Immunity and Respiratory Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Manchester, UK
| | - Adam Dyer
- Department of Infectious Diseases, School of Immunology and Microbial Sciences, King's College London, London, UK
| | - Nathalie Clément
- Department of Pediatrics, Powell Gene Therapy Center, University of Florida, Gainesville, FL, USA
| | - Tomas Björklund
- Molecular Neuromodulation, Wallenberg Neuroscience Center, Lund University, Lund, Sweden
| | - Robin R Ali
- Department of Genetics, UCL Institute of Ophthalmology, London, UK
| | - Mavis Agbandje-McKenna
- Department of Biochemistry and Molecular Biology, Center for Structural Biology, McKnight Brain Institute, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Ahad A Rahim
- Department of Pharmacology, UCL School of Pharmacy, University College London, London, UK
| | | | - Simon N Waddington
- Gene Transfer Technology Group, Institute for Women's Health, University College London, London, UK.,Wits/SAMRC Antiviral Gene Therapy Research Unit, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - R Michael Linden
- Department of Infectious Diseases, School of Immunology and Microbial Sciences, King's College London, London, UK
| | - Brian W Bigger
- Stem Cell and Neurotherapies, Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Manchester, UK
| | - Els Henckaerts
- Department of Infectious Diseases, School of Immunology and Microbial Sciences, King's College London, London, UK
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Ide S, Ikekubo Y, Hua J, Takamatsu Y, Uhl GR, Sora I, Ikeda K. Reward-enhancing effect of methylphenidate is abolished in dopamine transporter knockout mice: A model of attention-deficit/hyperactivity disorder. Neuropsychopharmacol Rep 2018; 38:149-153. [PMID: 30175528 PMCID: PMC7292327 DOI: 10.1002/npr2.12020] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 05/22/2018] [Accepted: 05/24/2018] [Indexed: 11/08/2022] Open
Abstract
AIM Attention-deficit/hyperactivity disorder is a heterogeneous neurobiological disorder that is characterized by inattention, impulsivity, and an increase in motor activity. Although methylphenidate has been used as a medication for decades, unknown is whether methylphenidate treatment can cause drug dependence in patients with attention-deficit/hyperactivity disorder. This study investigated the reward-enhancing effects of methylphenidate using intracranial self-stimulation in an animal model of attention-deficit/hyperactivity disorder, dopamine transporter knockout mice. METHODS For the intracranial self-stimulation procedures, the mice were trained to nosepoke to receive direct electrical stimulation via an electrode that was implanted in the lateral hypothalamus. After the acquisition of nosepoke responding for intracranial self-stimulation, the effects of methylphenidate on intracranial self-stimulation were investigated. RESULTS In the progressive-ratio procedure, dopamine transporter knockout mice exhibited an increase in intracranial self-stimulation compared with wild-type mice. Treatment with 5 and 10 mg/kg methylphenidate increased intracranial self-stimulation responding in wild-type mice. Methylphenidate at the same doses did not affect intracranial self-stimulation responding in dopamine transporter knockout mice. We then investigated the effects of high-dose methylphenidate (60 mg/kg) in a rate-frequency procedure. High-dose methylphenidate significantly decreased intracranial self-stimulation responding in both wild-type and dopamine transporter knockout mice. CONCLUSIONS These results suggest that low-dose methylphenidate alters the reward system (ie, increases intracranial self-stimulation responding) in wild-type mice via dopamine transporter inhibition, whereas dopamine transporter knockout mice do not exhibit such alterations. High-dose methylphenidate appears to suppress intracranial self-stimulation responding not through dopamine transporter inhibition but rather through other mechanisms. These results support the possibility that methylphenidate treatment for attention-deficit/hyperactivity disorder does not increase the risk of drug dependence, in attention-deficit/hyperactivity disorder patients with dopamine transporter dysfunction.
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Affiliation(s)
- Soichiro Ide
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Yuiko Ikekubo
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Jennifer Hua
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Yukio Takamatsu
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan.,The Basic Technology Research Center, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - George R Uhl
- Branch of Molecular Neurobiology, National Institute on Drug Abuse, Baltimore, Maryland
| | - Ichiro Sora
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan.,Department of Psychiatry, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Kazutaka Ikeda
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
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Efimova EV, Gainetdinov RR, Budygin EA, Sotnikova TD. Dopamine transporter mutant animals: a translational perspective. J Neurogenet 2017; 30:5-15. [PMID: 27276191 DOI: 10.3109/01677063.2016.1144751] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The dopamine transporter (DAT) plays an important homeostatic role in the control of both the extracellular and intraneuronal concentrations of dopamine, thereby providing effective control over activity of dopaminergic transmission. Since brain dopamine is known to be involved in numerous neuropsychiatric disorders, investigations using mice with genetically altered DAT function and thus intensity of dopamine-mediated signaling have provided numerous insights into the pathology of these disorders and novel pathological mechanisms that could be targeted to provide new therapeutic approaches for these disorders. In this brief overview, we discuss recent investigations involving animals with genetically altered DAT function, particularly focusing on translational studies providing new insights into pathology and pharmacology of dopamine-related disorders. Perspective applications of these and newly developed models of DAT dysfunction are also discussed.
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Affiliation(s)
- Evgeniya V Efimova
- a Institute of Translational Biomedicine, St. Petersburg State University , St. Petersburg , Russia ;,b Skolkovo Institute of Science and Technology , Skolkovo , Moscow Region , Russia
| | - Raul R Gainetdinov
- a Institute of Translational Biomedicine, St. Petersburg State University , St. Petersburg , Russia ;,b Skolkovo Institute of Science and Technology , Skolkovo , Moscow Region , Russia
| | - Evgeny A Budygin
- a Institute of Translational Biomedicine, St. Petersburg State University , St. Petersburg , Russia ;,c Department of Neurobiology and Anatomy , Wake Forest School of Medicine , Winston-Salem , NC , USA
| | - Tatyana D Sotnikova
- a Institute of Translational Biomedicine, St. Petersburg State University , St. Petersburg , Russia
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11
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Fujita M, Hagino Y, Takeda T, Kasai S, Tanaka M, Takamatsu Y, Kobayashi K, Ikeda K. Light/dark phase-dependent spontaneous activity is maintained in dopamine-deficient mice. Mol Brain 2017; 10:49. [PMID: 29037208 PMCID: PMC5644095 DOI: 10.1186/s13041-017-0329-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Accepted: 10/03/2017] [Indexed: 11/12/2022] Open
Abstract
Dopamine is important for motor control and involved in the regulation of circadian rhythm. We previously found that dopamine-deficient (DD) mice became hyperactive in a novel environment 72 h after the last injection of L-3,4-dihydroxyphenylalanine (L-DOPA) when dopamine was almost completely depleted. DD mice did not initially exhibit hyperactivity in their home cages, but the animals exhibited hyperactivity several hours after the last L-DOPA injection. The regulation of motor activity in a novel environment and in home cages may be different. A previous study reported that DD mice became active again approximately 24 h after the last L-DOPA injection. One speculation was that light/dark phase-dependent spontaneous activity might be maintained despite dopamine deficiency. The present study investigated whether spontaneous home cage activity is maintained in DD mice 24–43 h and 72–91 h after the last L-DOPA injection. Spontaneous activity was almost completely suppressed during the light phase of the light/dark cycle in DD mice 24 and 72 h after the last L-DOPA injection. After the dark phase began, DD mice became active 24 and 72 h after the last L-DOPA injection. DD mice exhibited a similar amount of locomotor activity as wildtype mice 24 h after the last L-DOPA injection. Although DD mice presented a decrease in activity 72 h after the last L-DOPA injection, they maintained dark phase-stimulated locomotor activation. Despite low levels of dopamine in DD mice, they exhibited feeding behavior that was similar to wildtype mice. Although grooming and rearing behavior significantly decreased, DD mice retained their ability to perform these activities. Haloperidol treatment significantly suppressed all of these behaviors in wildtype mice but not in DD mice. These results indicate that DD mice maintain some aspects of light/dark phase-dependent spontaneous activity despite dopamine depletion, suggesting that compensatory dopamine-independent mechanisms might play a role in the DD mouse phenotype.
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Affiliation(s)
- Masayo Fujita
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, 2-1-6 Kamikitazawa, Setagaya-ku, Tokyo, 156-8506, Japan
| | - Yoko Hagino
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, 2-1-6 Kamikitazawa, Setagaya-ku, Tokyo, 156-8506, Japan
| | - Taishi Takeda
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, 2-1-6 Kamikitazawa, Setagaya-ku, Tokyo, 156-8506, Japan
| | - Shinya Kasai
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, 2-1-6 Kamikitazawa, Setagaya-ku, Tokyo, 156-8506, Japan
| | - Miho Tanaka
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, 2-1-6 Kamikitazawa, Setagaya-ku, Tokyo, 156-8506, Japan
| | - Yukio Takamatsu
- Center for Basic Technology Research, Tokyo Metropolitan Institute of Medical Science, 2-1-6 Kamikitazawa, Setagaya-ku, Tokyo, 156-8506, Japan
| | - Kazuto Kobayashi
- Department of Molecular Genetics, Institute of Biomedical Sciences, Fukushima Medical University, 1 Hikarigaoka, Fukushima, 960-1295, Japan
| | - Kazutaka Ikeda
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, 2-1-6 Kamikitazawa, Setagaya-ku, Tokyo, 156-8506, Japan.
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