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Kahnau P, Mieske P, Wilzopolski J, Kalliokoski O, Mandillo S, Hölter SM, Voikar V, Amfim A, Badurek S, Bartelik A, Caruso A, Čater M, Ey E, Golini E, Jaap A, Hrncic D, Kiryk A, Lang B, Loncarevic-Vasiljkovic N, Meziane H, Radzevičienė A, Rivalan M, Scattoni ML, Torquet N, Trifkovic J, Ulfhake B, Thöne-Reineke C, Diederich K, Lewejohann L, Hohlbaum K. A systematic review of the development and application of home cage monitoring in laboratory mice and rats. BMC Biol 2023; 21:256. [PMID: 37953247 PMCID: PMC10642068 DOI: 10.1186/s12915-023-01751-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 10/30/2023] [Indexed: 11/14/2023] Open
Abstract
BACKGROUND Traditionally, in biomedical animal research, laboratory rodents are individually examined in test apparatuses outside of their home cages at selected time points. However, the outcome of such tests can be influenced by various factors and valuable information may be missed when the animals are only monitored for short periods. These issues can be overcome by longitudinally monitoring mice and rats in their home cages. To shed light on the development of home cage monitoring (HCM) and the current state-of-the-art, a systematic review was carried out on 521 publications retrieved through PubMed and Web of Science. RESULTS Both the absolute (~ × 26) and relative (~ × 7) number of HCM-related publications increased from 1974 to 2020. There was a clear bias towards males and individually housed animals, but during the past decade (2011-2020), an increasing number of studies used both sexes and group housing. In most studies, animals were kept for short (up to 4 weeks) time periods in the HCM systems; intermediate time periods (4-12 weeks) increased in frequency in the years between 2011 and 2020. Before the 2000s, HCM techniques were predominantly applied for less than 12 h, while 24-h measurements have been more frequent since the 2000s. The systematic review demonstrated that manual monitoring is decreasing in relation to automatic techniques but still relevant. Until (and including) the 1990s, most techniques were applied manually but have been progressively replaced by automation since the 2000s. Independent of the year of publication, the main behavioral parameters measured were locomotor activity, feeding, and social behaviors; the main physiological parameters were heart rate and electrocardiography. External appearance-related parameters were rarely examined in the home cages. Due to technological progress and application of artificial intelligence, more refined and detailed behavioral parameters have been investigated in the home cage more recently. CONCLUSIONS Over the period covered in this study, techniques for HCM of mice and rats have improved considerably. This development is ongoing and further progress as well as validation of HCM systems will extend the applications to allow for continuous, longitudinal, non-invasive monitoring of an increasing range of parameters in group-housed small rodents in their home cages.
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Affiliation(s)
- Pia Kahnau
- German Federal Institute for Risk Assessment (BfR), German Centre for the Protection of Laboratory Animals (Bf3R), Berlin, Germany
| | - Paul Mieske
- German Federal Institute for Risk Assessment (BfR), German Centre for the Protection of Laboratory Animals (Bf3R), Berlin, Germany
- Institute of Animal Welfare, Animal Behavior and Laboratory Animal Science, Department of Veterinary Medicine, Freie Universität Berlin, Berlin, Germany
- Science of Intelligence, Research Cluster of Excellence, Marchstr. 23, 10587, Berlin, Germany
| | - Jenny Wilzopolski
- German Federal Institute for Risk Assessment (BfR), German Centre for the Protection of Laboratory Animals (Bf3R), Berlin, Germany
| | - Otto Kalliokoski
- Department of Experimental Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Silvia Mandillo
- Institute of Biochemistry and Cell Biology, National Research Council CNR, Rome, Italy
| | - Sabine M Hölter
- Helmholtz Zentrum München, German Research Centre for Environmental Health, Munich, Germany
| | - Vootele Voikar
- Neuroscience Center, Helsinki Institute of Life Science (HiLIFE), University of Helsinki, Helsinki, Finland
| | - Adriana Amfim
- Faculty of Veterinary Medicine, Spiru Haret University, Bucharest, Romania
| | - Sylvia Badurek
- Preclinical Phenotyping Facility, Vienna Biocenter Core Facilities (VBCF), member of the Vienna Biocenter (VBC), Vienna, Austria
| | - Aleksandra Bartelik
- International Clinical Research Center, St. Anne's University Hospital Brno, Brno, Czech Republic
| | - Angela Caruso
- Istituto Superiore Di Sanità, Research Coordination and Support Service, Rome, Italy
| | - Maša Čater
- Department of Animal Science, Biotechnical Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Elodie Ey
- Université de Strasbourg, CNRS, Inserm, Institut de Génétique et de Biologie Moléculaire et Cellulaire UMR 7104- UMR-S 1258, Illkirch, 67400, France
| | - Elisabetta Golini
- Institute of Biochemistry and Cell Biology, National Research Council CNR, Rome, Italy
| | - Anne Jaap
- Institute of Animal Welfare, Animal Behavior and Laboratory Animal Science, Department of Veterinary Medicine, Freie Universität Berlin, Berlin, Germany
- Science of Intelligence, Research Cluster of Excellence, Marchstr. 23, 10587, Berlin, Germany
| | - Dragan Hrncic
- Institute of Medical Physiology "Richard Burian", Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Anna Kiryk
- Laboratory of Preclinical Testing of Higher Standard, Neurobiology Center, Nencki Institute of Experimental Biology, Polish Academy of Science, Warsaw, Poland
| | - Benjamin Lang
- Institute of Animal Welfare, Animal Behavior and Laboratory Animal Science, Department of Veterinary Medicine, Freie Universität Berlin, Berlin, Germany
- Science of Intelligence, Research Cluster of Excellence, Marchstr. 23, 10587, Berlin, Germany
| | - Natasa Loncarevic-Vasiljkovic
- iNOVA4Health, NOVA Medical School, Faculdade de Ciências Médicas, NMS, FCM, Universidade Nova de Lisboa, Lisbon, Portugal
| | - Hamid Meziane
- Université de Strasbourg, CNRS, INSERM, Institut Clinique de La Souris (ICS), CELPHEDIA, PHENOMIN, 1 Rue Laurent Fries, Illkirch, 67404, France
| | - Aurelija Radzevičienė
- Lithuanian University of Health Sciences, Medical Academy, Institute of Physiology and Pharmacology, Kaunas, Lithuania
| | - Marion Rivalan
- Research Institute for Experimental Medicine (FEM) and NeuroCure Cluster of Excellence, Animal Behaviour Phenotyping Facility, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Maria Luisa Scattoni
- Istituto Superiore Di Sanità, Research Coordination and Support Service, Rome, Italy
| | - Nicolas Torquet
- Université de Strasbourg, CNRS, Inserm, IGBMC, Institut Clinique de la Souris (ICS), CELPHEDIA, PHENOMIN, UMR 7104- UMR-S 1258, Illkirch, 67400, France
| | - Julijana Trifkovic
- Department of Veterinary Medicine, Faculty of Agriculture, University of East Sarajevo, East Sarajevo, Bosnia and Herzegovina
| | - Brun Ulfhake
- Div. Clinical Physiology, Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Christa Thöne-Reineke
- Institute of Animal Welfare, Animal Behavior and Laboratory Animal Science, Department of Veterinary Medicine, Freie Universität Berlin, Berlin, Germany
- Science of Intelligence, Research Cluster of Excellence, Marchstr. 23, 10587, Berlin, Germany
| | - Kai Diederich
- German Federal Institute for Risk Assessment (BfR), German Centre for the Protection of Laboratory Animals (Bf3R), Berlin, Germany
| | - Lars Lewejohann
- German Federal Institute for Risk Assessment (BfR), German Centre for the Protection of Laboratory Animals (Bf3R), Berlin, Germany
- Institute of Animal Welfare, Animal Behavior and Laboratory Animal Science, Department of Veterinary Medicine, Freie Universität Berlin, Berlin, Germany
- Science of Intelligence, Research Cluster of Excellence, Marchstr. 23, 10587, Berlin, Germany
| | - Katharina Hohlbaum
- German Federal Institute for Risk Assessment (BfR), German Centre for the Protection of Laboratory Animals (Bf3R), Berlin, Germany.
- Science of Intelligence, Research Cluster of Excellence, Marchstr. 23, 10587, Berlin, Germany.
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Stölting G, Dinh HA, Volkert M, Hellmig N, Schewe J, Hennicke L, Seidel E, Oberacher H, Zhang J, Lifton RP, Urban I, Long M, Rivalan M, Nottoli T, Scholl UI. Isradipine therapy in Cacna1dIle772Met/+ mice ameliorates primary aldosteronism and neurologic abnormalities. JCI Insight 2023; 8:e162468. [PMID: 37698934 PMCID: PMC10619505 DOI: 10.1172/jci.insight.162468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 09/06/2023] [Indexed: 09/14/2023] Open
Abstract
Somatic gain-of-function mutations in the L-type calcium channel CaV1.3 (CACNA1D gene) cause adrenal aldosterone-producing adenomas and micronodules. De novo germline mutations are found in a syndrome of primary aldosteronism, seizures, and neurologic abnormalities (PASNA) as well as in autism spectrum disorder. Using CRISPR/Cas9, we here generated mice with a Cacna1d gain-of-function mutation found in both adenomas and PASNA syndrome (Cacna1dIle772Met/+). These mice show reduced body weight and increased mortality from weaning to approximately 100 days of age. Male mice do not breed, likely due to neuromotor impairment, and the offspring of female mice die perinatally, likely due to lack of maternal care. Mice generated by in vitro fertilization showed elevated intracellular calcium in the aldosterone-producing zona glomerulosa, an elevated aldosterone/renin ratio, and persistently elevated serum aldosterone on a high-salt diet as signs of primary aldosteronism. Anesthesia with ketamine and xylazine induced tonic-clonic seizures. Neurologic abnormalities included hyperlocomotion, impaired performance in the rotarod test, impaired nest building, and slight changes in social behavior. Intracellular calcium in the zona glomerulosa, aldosterone levels, and rotarod performance responded to treatment with the calcium channel blocker isradipine, with implications for the therapy of patients with aldosterone-producing lesions and with PASNA syndrome.
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Affiliation(s)
- Gabriel Stölting
- Center of Functional Genomics, Berlin Institute of Health at Charité – Universitätsmedizin Berlin, Berlin, Germany
| | - Hoang An Dinh
- Center of Functional Genomics, Berlin Institute of Health at Charité – Universitätsmedizin Berlin, Berlin, Germany
| | - Marina Volkert
- Center of Functional Genomics, Berlin Institute of Health at Charité – Universitätsmedizin Berlin, Berlin, Germany
| | - Nicole Hellmig
- Center of Functional Genomics, Berlin Institute of Health at Charité – Universitätsmedizin Berlin, Berlin, Germany
| | - Julia Schewe
- Center of Functional Genomics, Berlin Institute of Health at Charité – Universitätsmedizin Berlin, Berlin, Germany
| | - Luise Hennicke
- Center of Functional Genomics, Berlin Institute of Health at Charité – Universitätsmedizin Berlin, Berlin, Germany
| | - Eric Seidel
- Center of Functional Genomics, Berlin Institute of Health at Charité – Universitätsmedizin Berlin, Berlin, Germany
| | - Herbert Oberacher
- Institute of Legal Medicine and Core Facility Metabolomics, Medical University of Innsbruck, Innsbruck, Austria
| | - Junhui Zhang
- Department of Genetics and Howard Hughes Medical Institute, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Richard P. Lifton
- Department of Genetics and Howard Hughes Medical Institute, Yale University School of Medicine, New Haven, Connecticut, USA
- Laboratory of Human Genetics and Genomics, The Rockefeller University, New York, New York, USA
| | | | - Melissa Long
- Animal Behavior Phenotyping Facility (ABPF), Charité – Universitätsmedizin Berlin, Berlin, Germany
| | - Marion Rivalan
- Animal Behavior Phenotyping Facility (ABPF), Charité – Universitätsmedizin Berlin, Berlin, Germany
| | - Timothy Nottoli
- Section of Comparative Medicine, Yale Genome Editing Center, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Ute I. Scholl
- Center of Functional Genomics, Berlin Institute of Health at Charité – Universitätsmedizin Berlin, Berlin, Germany
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Alonso L, Peeva P, Stasko S, Bader M, Alenina N, Winter Y, Rivalan M. Constitutive depletion of brain serotonin differentially affects rats' social and cognitive abilities. iScience 2023; 26:105998. [PMID: 36798444 PMCID: PMC9926123 DOI: 10.1016/j.isci.2023.105998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 09/30/2022] [Accepted: 01/12/2023] [Indexed: 01/19/2023] Open
Abstract
Central serotonin appears a promising transdiagnostic marker of psychiatric disorders and a modulator of some of their key behavioral symptoms. In adult male Tph2 -/- rats, constitutively lacking central serotonin, we tested individual's cognitive, social and non-social abilities and characterized group's social organization under classical and ethological testing conditions. Using unsupervised machine learning, we identified the functions most dependent on serotonin. Although serotonin depletion did not affect cognitive performances in classical testing, in the home-cage it induced compulsive aggression and sexual behavior, hyperactive and hypervigilant stereotyped behavior, reduced self-care and exacerbated corticosterone levels. This profile recalled symptoms of impulse control and anxiety disorders. Serotonin appeared essential for behavioral adaptation to dynamic social environments. Our animal model challenges the essential role of serotonin in decision-making, flexibility, impulsivity, and risk-taking. These findings highlight the importance of studying everyday life functions within the dynamic social living environment to model complexity in animal models.
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Affiliation(s)
- Lucille Alonso
- Humboldt-Universität zu Berlin, Berlin, Germany,Charité – Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - Polina Peeva
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany
| | | | - Michael Bader
- Charité – Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany,Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany
| | - Natalia Alenina
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany,Corresponding author
| | - York Winter
- Humboldt-Universität zu Berlin, Berlin, Germany,Charité – Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - Marion Rivalan
- Humboldt-Universität zu Berlin, Berlin, Germany,Charité – Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany,Corresponding author
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Schroeder P, Rivalan M, Zaqout S, Krüger C, Schüler J, Long M, Meisel A, Winter Y, Kaindl AM, Lehnardt S. Abnormal brain structure and behavior in MyD88-deficient mice. Brain Behav Immun 2021; 91:181-193. [PMID: 33002631 DOI: 10.1016/j.bbi.2020.09.024] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 09/08/2020] [Accepted: 09/23/2020] [Indexed: 12/27/2022] Open
Abstract
While the original protein Toll in Drosophila melanogaster regulates both host defense and morphogenesis, the role of its ortholog Toll-like receptors (TLRs), the interleukin 1 receptor (IL-1R) family, and the associated signaling pathways in mammalian brain development and structure is poorly understood. Because the adaptor protein myeloid differentiation primary response protein 88 (MyD88) is essential for downstream signaling of most TLRs and IL-1R, we systematically investigated the effect of MyD88 deficiency on murine brain structure during development and on behavior. In neonatal Myd88-/- mice, neocortical thickness was reduced, while density of cortical neurons was increased. In contrast, microglia, astrocyte, oligodendrocyte, and proliferating cell numbers were unchanged in these mice compared to wild-type mice. In adult Myd88-/- mice, neocortical thickness was unaltered, but neuronal density in neocortex and hippocampus was increased. Neuron arborization was less pronounced in adult Myd88-/- mice compared to wild-type animals. In addition, numbers of microglia and proliferating cells were increased in the neocortex and subventricular zone, respectively, with unaltered astrocyte and oligodendrocyte numbers, and myelinization was enhanced in the adult Myd88-/- neocortex. These morphologic changes in the brain of adult Myd88-/- mice were accompanied by specific behavioral traits, such as decreased locomotor activity, increased anxiety-like behavior, but normal day/light activity, satisfactory learning, short- and long-term spatial memory, potential cognitive inflexibility, and increased hanging and locomotor behavior within their home cage. Taken together, MyD88 deficiency results in morphologic and cellular changes in the mouse brain, as well as in altered natural and specific behaviors. Our data indicate a pathophysiological significance of MyD88 for mammalian CNS development, structure, and function.
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Affiliation(s)
- Patricia Schroeder
- Institute of Cell Biology and Neurobiology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Marion Rivalan
- Institute of Biology, Humboldt-Universität, Berlin, Germany; Animal Outcome Core Facility of the Cluster of Excellence, NeuroCure, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität and Humboldt-Universität, Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Sami Zaqout
- Basic Medical Science Department, College of Medicine, QU Health, Qatar University, Doha, Qatar
| | - Christina Krüger
- Institute of Cell Biology and Neurobiology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Jutta Schüler
- Institute of Cell Biology and Neurobiology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Melissa Long
- Animal Outcome Core Facility of the Cluster of Excellence, NeuroCure, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität and Humboldt-Universität, Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Andreas Meisel
- Department of Neurology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - York Winter
- Institute of Biology, Humboldt-Universität, Berlin, Germany; Animal Outcome Core Facility of the Cluster of Excellence, NeuroCure, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität and Humboldt-Universität, Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Angela M Kaindl
- Institute of Cell Biology and Neurobiology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany; Department of Pediatric Neurology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany; Center for Chronically Sick Children, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Seija Lehnardt
- Institute of Cell Biology and Neurobiology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany; Department of Neurology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany.
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Schalla MA, Kühne SG, Friedrich T, Kobelt P, Goebel-Stengel M, Long M, Rivalan M, Winter Y, Mori M, Rose M, Stengel A. Central blockage of nesfatin-1 has anxiolytic effects but does not prevent corticotropin-releasing factor-induced anxiety in male rats. Biochem Biophys Res Commun 2020; 529:773-777. [DOI: 10.1016/j.bbrc.2020.05.163] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Accepted: 05/21/2020] [Indexed: 11/24/2022]
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Falck J, Bruns C, Hoffmann-Conaway S, Straub I, Plautz EJ, Orlando M, Munawar H, Rivalan M, Winter Y, Izsvák Z, Schmitz D, Hamra FK, Hallermann S, Garner CC, Ackermann F. Loss of Piccolo Function in Rats Induces Cerebellar Network Dysfunction and Pontocerebellar Hypoplasia Type 3-like Phenotypes. J Neurosci 2020; 40:2943-2959. [PMID: 32122952 PMCID: PMC7117892 DOI: 10.1523/jneurosci.2316-19.2020] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 02/10/2020] [Accepted: 02/13/2020] [Indexed: 12/16/2022] Open
Abstract
Piccolo, a presynaptic active zone protein, is best known for its role in the regulated assembly and function of vertebrate synapses. Genetic studies suggest a further link to several psychiatric disorders as well as Pontocerebellar Hypoplasia type 3 (PCH3). We have characterized recently generated Piccolo KO (Pclogt/gt ) rats. Analysis of rats of both sexes revealed a dramatic reduction in brain size compared with WT (Pclowt/wt ) animals, attributed to a decrease in the size of the cerebral cortical, cerebellar, and pontine regions. Analysis of the cerebellum and brainstem revealed a reduced granule cell layer and a reduction in size of pontine nuclei. Moreover, the maturation of mossy fiber afferents from pontine neurons and the expression of the α6 GABAA receptor subunit at the mossy fiber-granule cell synapse are perturbed, as well as the innervation of Purkinje cells by cerebellar climbing fibers. Ultrastructural and functional studies revealed a reduced size of mossy fiber boutons, with fewer synaptic vesicles and altered synaptic transmission. These data imply that Piccolo is required for the normal development, maturation, and function of neuronal networks formed between the brainstem and cerebellum. Consistently, behavioral studies demonstrated that adult Pclogt/gt rats display impaired motor coordination, despite adequate performance in tasks that reflect muscle strength and locomotion. Together, these data suggest that loss of Piccolo function in patients with PCH3 could be involved in many of the observed anatomical and behavioral symptoms, and that the further analysis of these animals could provide fundamental mechanistic insights into this devastating disorder.SIGNIFICANCE STATEMENT Pontocerebellar Hypoplasia Type 3 is a devastating developmental disorder associated with severe developmental delay, progressive microcephaly with brachycephaly, optic atrophy, seizures, and hypertonia with hyperreflexia. Recent genetic studies have identified non-sense mutations in the coding region of the PCLO gene, suggesting a functional link between this disorder and the presynaptic active zone. Our analysis of Piccolo KO rats supports this hypothesis, formally demonstrating that anatomical and behavioral phenotypes seen in patients with Pontocerebellar Hypoplasia Type 3 are also exhibited by these Piccolo deficient animals.
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Affiliation(s)
- Joanne Falck
- German Center for Neurodegenerative Diseases, Charité Medical University, 10117 Berlin, Germany
| | - Christine Bruns
- German Center for Neurodegenerative Diseases, Charité Medical University, 10117 Berlin, Germany
| | - Sheila Hoffmann-Conaway
- German Center for Neurodegenerative Diseases, Charité Medical University, 10117 Berlin, Germany
| | - Isabelle Straub
- Carl-Ludwig Institute for Physiology, 04103 Leipzig, Germany
| | - Erik J Plautz
- Department of Neurology and Neurotherapeutics, University of Texas Southwestern, Dallas, Texas 75390
| | - Marta Orlando
- Charité Medical University Berlin and Berlin Institute of Health, NeuroCure Cluster of Excellence, 10117 Berlin, Germany
| | - Humaira Munawar
- Department of Biology, Humboldt University, 10099 Berlin, Germany
| | - Marion Rivalan
- Charité Medical University Berlin and Berlin Institute of Health, NeuroCure Cluster of Excellence, 10117 Berlin, Germany
- Department of Biology, Humboldt University, 10099 Berlin, Germany
| | - York Winter
- Charité Medical University Berlin and Berlin Institute of Health, NeuroCure Cluster of Excellence, 10117 Berlin, Germany
- Department of Biology, Humboldt University, 10099 Berlin, Germany
| | - Zsuzsanna Izsvák
- Max Delbrück Center for Molecular Medicine in the Helmholtz Society, 13125 Berlin, Germany, and
| | - Dietmar Schmitz
- Charité Medical University Berlin and Berlin Institute of Health, NeuroCure Cluster of Excellence, 10117 Berlin, Germany
| | - F Kent Hamra
- Department of Obstetrics and Gynecology, Cecil H. and Ida Green Center for Reproductive Biology Sciences, University of Texas Southwestern, Dallas, Texas 75390
| | | | - Craig Curtis Garner
- German Center for Neurodegenerative Diseases, Charité Medical University, 10117 Berlin, Germany
| | - Frauke Ackermann
- German Center for Neurodegenerative Diseases, Charité Medical University, 10117 Berlin, Germany,
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Alonso L, Peeva P, Ramos-Prats A, Alenina N, Winter Y, Rivalan M. Inter-individual and inter-strain differences in cognitive and social abilities of Dark Agouti and Wistar Han rats. Behav Brain Res 2020; 377:112188. [PMID: 31473288 DOI: 10.1016/j.bbr.2019.112188] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Revised: 08/06/2019] [Accepted: 08/28/2019] [Indexed: 01/12/2023]
Abstract
Healthy animals displaying extreme behaviours that resemble human psychiatric symptoms are relevant models to study the natural psychobiological processes of maladapted behaviours. Using a Rat Gambling Task, healthy individuals spontaneously making poor decisions (PDMs) were found to co-express a combination of other cognitive and reward-based characteristics similar to symptoms observed in human patients with impulse-control disorders. The main goals of this study were to 1) confirm the existence of PDMs and their unique behavioural phenotypes in Dark Agouti (DA) and Wistar Han (WH) rats, 2) to extend the behavioural profile of the PDMs to probability-based decision-making and social behaviours and 3) to extract key discriminative traits between DA and WH strains, relevant for biomedical research. We have compared cognitive abilities, natural behaviours and physiological responses in DA and WH rats at the strain and at the individual level. Here we found that the naturally occurring PDM's profile was consistent between both rat lines. Then, although the PDM individuals did not take more risks in probability discounting task, they seemed to be of higher social ranks. Finally and despite their similarities in performance, WH and DA lines differed in degree of reward sensitivity, impulsivity, locomotor activity and open space-occupation. The reproducibility and conservation of the complex phenotypes of PDMs and GDMs (good decision makers) in these two genetically different strains support their translational potential. Both strains, present large phenotypic variation in behaviours pertinent for the study of the underlying mechanisms of poor decision making and associated disorders.
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Affiliation(s)
- Lucille Alonso
- Humboldt University, Berlin, Germany; Charité University Medicine, Berlin, Germany
| | - Polina Peeva
- Max Delbrück Center for Molecular Medicine (MDC), Berlin, Germany
| | - Arnau Ramos-Prats
- Department of Pharmacology, Innsbruck Medical University, Innsbruck, Austria
| | - Natalia Alenina
- Max Delbrück Center for Molecular Medicine (MDC), Berlin, Germany; Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia
| | - York Winter
- Humboldt University, Berlin, Germany; Charité University Medicine, Berlin, Germany
| | - Marion Rivalan
- Humboldt University, Berlin, Germany; Charité University Medicine, Berlin, Germany.
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De Deurwaerdère P, Rivalan M, Fitoussi A, Dellu-Hagedorn F. Brain mapping of dopaminergic and serotonergic metabolisms at rest in impulsivity, risk-taking and inflexible behaviour in rats. IBRO Rep 2019. [DOI: 10.1016/j.ibror.2019.09.080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Jurek B, Chayka M, Kreye J, Lang K, Kraus L, Fidzinski P, Kornau HC, Dao LM, Wenke NK, Long M, Rivalan M, Winter Y, Leubner J, Herken J, Mayer S, Mueller S, Boehm-Sturm P, Dirnagl U, Schmitz D, Kölch M, Prüss H. Human gestational N-methyl-d-aspartate receptor autoantibodies impair neonatal murine brain function. Ann Neurol 2019; 86:656-670. [PMID: 31325344 DOI: 10.1002/ana.25552] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2018] [Revised: 07/12/2019] [Accepted: 07/15/2019] [Indexed: 12/31/2022]
Abstract
OBJECTIVE Maternal autoantibodies are a risk factor for impaired brain development in offspring. Antibodies (ABs) against the NR1 (GluN1) subunit of the N-methyl-d-aspartate receptor (NMDAR) are among the most frequently diagnosed anti-neuronal surface ABs, yet little is known about effects on fetal development during pregnancy. METHODS We established a murine model of in utero exposure to human recombinant NR1 and isotype-matched nonreactive control ABs. Pregnant C57BL/6J mice were intraperitoneally injected on embryonic days 13 and 17 each with 240μg of human monoclonal ABs. Offspring were investigated for acute and chronic effects on NMDAR function, brain development, and behavior. RESULTS Transferred NR1 ABs enriched in the fetus and bound to synaptic structures in the fetal brain. Density of NMDAR was considerably reduced (up to -49.2%) and electrophysiological properties were altered, reflected by decreased amplitudes of spontaneous excitatory postsynaptic currents in young neonates (-34.4%). NR1 AB-treated animals displayed increased early postnatal mortality (+27.2%), impaired neurodevelopmental reflexes, altered blood pH, and reduced bodyweight. During adolescence and adulthood, animals showed hyperactivity (+27.8% median activity over 14 days), lower anxiety, and impaired sensorimotor gating. NR1 ABs caused long-lasting neuropathological effects also in aged mice (10 months), such as reduced volumes of cerebellum, midbrain, and brainstem. INTERPRETATION The data collectively support a model in which asymptomatic mothers can harbor low-level pathogenic human NR1 ABs that are diaplacentally transferred, causing neurotoxic effects on neonatal development. Thus, AB-mediated network changes may represent a potentially treatable neurodevelopmental congenital brain disorder contributing to lifelong neuropsychiatric morbidity in affected children. ANN NEUROL 2019;86:656-670.
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Affiliation(s)
- Betty Jurek
- Department of Neurology and Experimental Neurology, Charité-Universitätsmedizin Berlin, Berlin, Germany.,German Center for Neurodegenerative Diseases (DZNE) Berlin, Berlin, Germany
| | - Mariya Chayka
- Department of Neurology and Experimental Neurology, Charité-Universitätsmedizin Berlin, Berlin, Germany.,German Center for Neurodegenerative Diseases (DZNE) Berlin, Berlin, Germany
| | - Jakob Kreye
- Department of Neurology and Experimental Neurology, Charité-Universitätsmedizin Berlin, Berlin, Germany.,German Center for Neurodegenerative Diseases (DZNE) Berlin, Berlin, Germany
| | - Katharina Lang
- Department of Neurology and Experimental Neurology, Charité-Universitätsmedizin Berlin, Berlin, Germany.,German Center for Neurodegenerative Diseases (DZNE) Berlin, Berlin, Germany
| | - Larissa Kraus
- Department of Neurology and Experimental Neurology, Charité-Universitätsmedizin Berlin, Berlin, Germany.,Clinical and Experimental Epileptology, Charité-Universitätsmedizin Berlin, Berlin, Germany.,Berlin Institute of Health, Berlin, Germany
| | - Pawel Fidzinski
- Department of Neurology and Experimental Neurology, Charité-Universitätsmedizin Berlin, Berlin, Germany.,Clinical and Experimental Epileptology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Hans-Christian Kornau
- German Center for Neurodegenerative Diseases (DZNE) Berlin, Berlin, Germany.,Neuroscience Research Center, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Le-Minh Dao
- Department of Neurology and Experimental Neurology, Charité-Universitätsmedizin Berlin, Berlin, Germany.,German Center for Neurodegenerative Diseases (DZNE) Berlin, Berlin, Germany
| | - Nina K Wenke
- German Center for Neurodegenerative Diseases (DZNE) Berlin, Berlin, Germany
| | - Melissa Long
- Neurocure Cluster of Excellence, Animal Outcome Core Facility, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Marion Rivalan
- Neurocure Cluster of Excellence, Animal Outcome Core Facility, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - York Winter
- Neurocure Cluster of Excellence, Animal Outcome Core Facility, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Jonas Leubner
- Department of Neurology and Experimental Neurology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Julia Herken
- Department of Neurology and Experimental Neurology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Simone Mayer
- Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research and Department of Neurology, University of California, San Francisco, San Francisco, CA
| | - Susanne Mueller
- Department of Neurology and Experimental Neurology, Charité-Universitätsmedizin Berlin, Berlin, Germany.,Neurocure Cluster of Excellence, Core Facility 7T Experimental MRIs, Charité-Universitätsmedizin Berlin, Berlin, Germany.,Center for Stroke Research, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Philipp Boehm-Sturm
- Department of Neurology and Experimental Neurology, Charité-Universitätsmedizin Berlin, Berlin, Germany.,Neurocure Cluster of Excellence, Core Facility 7T Experimental MRIs, Charité-Universitätsmedizin Berlin, Berlin, Germany.,Center for Stroke Research, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Ulrich Dirnagl
- Department of Neurology and Experimental Neurology, Charité-Universitätsmedizin Berlin, Berlin, Germany.,German Center for Neurodegenerative Diseases (DZNE) Berlin, Berlin, Germany.,Center for Stroke Research, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Dietmar Schmitz
- German Center for Neurodegenerative Diseases (DZNE) Berlin, Berlin, Germany.,Neuroscience Research Center, Charité-Universitätsmedizin Berlin, Berlin, Germany.,Einstein Center for Neurosciences, Berlin, Germany
| | - Michael Kölch
- Department for Child and Adolescent Psychiatry, Neurology, Psychosomatics, and Psychotherapy, Universitätsmedizin Rostock, Rostock, Germany
| | - Harald Prüss
- Department of Neurology and Experimental Neurology, Charité-Universitätsmedizin Berlin, Berlin, Germany.,German Center for Neurodegenerative Diseases (DZNE) Berlin, Berlin, Germany.,Department of Neurology, Center for Autoimmune Encephalitis and Paraneoplastic Neurological Syndromes, Charité-Universitätsmedizin Berlin, Berlin, Germany
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10
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Matthes S, Mosienko V, Popova E, Rivalan M, Bader M, Alenina N. Targeted Manipulation of Brain Serotonin: RNAi-Mediated Knockdown of Tryptophan Hydroxylase 2 in Rats. ACS Chem Neurosci 2019; 10:3207-3217. [PMID: 30977636 DOI: 10.1021/acschemneuro.8b00635] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Tryptophan hydroxylase (TPH) is the rate-limiting enzyme in the biosynthesis of the biogenic monoamine serotonin (5-hydroxytryptamine, 5-HT). Two existing TPH isoforms are responsible for the generation of two distinct serotonergic systems in vertebrates. TPH1, predominantly expressed in the gastrointestinal tract and pineal gland, mediates 5-HT biosynthesis in non-neuronal tissues, while TPH2, mainly found in the raphe nuclei of the brain stem, is accountable for the production of 5-HT in the brain. Neuronal 5-HT is a key regulator of mood and behavior and its deficiency has been implicated in a variety of neuropsychiatric disorders, e.g., depression and anxiety. To gain further insights into the complexity of central 5-HT modulations of physiological and pathophysiological processes, a new transgenic rat model, allowing an inducible gene knockdown of Tph2, was established based on doxycycline-inducible shRNA-expression. Biochemical phenotyping revealed a functional knockdown of Tph2 mRNA expression following oral doxycycline administration, with subsequent reductions in the corresponding levels of TPH2 enzyme expression and activity. Transgenic rats showed also significantly decreased tissue levels of 5-HT and its degradation product 5-Hydroxyindoleacetic acid (5-HIAA) in the raphe nuclei, hippocampus, hypothalamus, and cortex, while peripheral 5-HT concentrations in the blood remained unchanged. In summary, this novel transgenic rat model allows inducible manipulation of 5-HT biosynthesis specifically in the brain and may help to elucidate the role of 5-HT in the pathophysiology of affective disorders.
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Affiliation(s)
- Susann Matthes
- Max-Delbrück Center for Molecular Medicine (MDC), Robert-Rössle-Straße 10, 13125 Berlin-Buch, Germany
- Institute for Biology, University of Lübeck, Ratzeburger Allee 160, 23562 Lübeck, Germany
| | - Valentina Mosienko
- Max-Delbrück Center for Molecular Medicine (MDC), Robert-Rössle-Straße 10, 13125 Berlin-Buch, Germany
- College of Medicine and Health, Institute of Biomedical and Clinical Sciences, University of Exeter, Hatherly Building, Prince of Wales Rd., EX4 4PS Exeter, United Kingdom
| | - Elena Popova
- Max-Delbrück Center for Molecular Medicine (MDC), Robert-Rössle-Straße 10, 13125 Berlin-Buch, Germany
| | - Marion Rivalan
- Charité University Medicine, Charitéplatz 1, 10117 Berlin, Germany
| | - Michael Bader
- Max-Delbrück Center for Molecular Medicine (MDC), Robert-Rössle-Straße 10, 13125 Berlin-Buch, Germany
- Institute for Biology, University of Lübeck, Ratzeburger Allee 160, 23562 Lübeck, Germany
- Charité University Medicine, Charitéplatz 1, 10117 Berlin, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Berlin, 13316 Berlin, Germany
- Berlin Institute of Health (BIH), Anna-Louisa-Karsch-Straße 2, 10178 Berlin, Germany
| | - Natalia Alenina
- Max-Delbrück Center for Molecular Medicine (MDC), Robert-Rössle-Straße 10, 13125 Berlin-Buch, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Berlin, 13316 Berlin, Germany
- Institute of Translational Biomedicine, St. Petersburg State University, Saint Petersburg 199034, Russia
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11
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Dellu-Hagedorn F, Rivalan M, Fitoussi A, De Deurwaerdère P. Inter-individual differences in the impulsive/compulsive dimension: deciphering related dopaminergic and serotonergic metabolisms at rest. Philos Trans R Soc Lond B Biol Sci 2019; 373:rstb.2017.0154. [PMID: 29483340 DOI: 10.1098/rstb.2017.0154] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/17/2017] [Indexed: 11/12/2022] Open
Abstract
Several impulse control disorders such as ADHD, mania, personality disorders or substance abuse share common behavioural traits, like impulsiveness, risk-taking or inflexible behaviour. These disorders are treated with drugs targeting dopamine (DA) and/or serotonin (5-HT). However, the patient's monoamine imbalance that these neurotransmitters compensate is unclear. This study aims to investigate the patterns of DA and 5-HT metabolisms at rest within selected brain regions related to inter-individual variability in six main components of impulsivity/compulsivity (anticipatory hyperactivity, premature responses, delay discounting, risk-taking, perseveration, flexibility). Rats with adaptive and highly inadaptive behaviours were identified in each task and a sensitive biochemical approach allowed mapping of post-mortem endogenous monoamine tissue content in 20 brain areas. Distinct patterns of 5-HT and DA metabolisms were revealed according to the behavioural traits. Except for hyperactive responses, lower control of actions was mainly associated with a lower DA or 5-HT metabolism in prefrontal and/or subcortical areas (i.e. in orbitofrontal cortex (DA), amygdala and anterior cingulate cortex (5-HT) for inflexible and risk-prone rats). Our results reveal the complex nature of behavioural traits related to impulse control disorders through their associated monoaminergic networks at rest, paving the way for understanding the link between mental disorders and drug therapeutic actions.This article is part of the theme issue 'Diverse perspectives on diversity: multi-disciplinary approaches to taxonomies of individual differences'.
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Affiliation(s)
- Françoise Dellu-Hagedorn
- INCIA, UMR 5287, Univ. Bordeaux, F-33000 Bordeaux, France .,INCIA, UMR 5287, CNRS, F-33000 Bordeaux, France
| | - Marion Rivalan
- INCIA, UMR 5287, Univ. Bordeaux, F-33000 Bordeaux, France.,INCIA, UMR 5287, CNRS, F-33000 Bordeaux, France
| | - Aurélie Fitoussi
- INCIA, UMR 5287, Univ. Bordeaux, F-33000 Bordeaux, France.,INCIA, UMR 5287, CNRS, F-33000 Bordeaux, France
| | - Philippe De Deurwaerdère
- INCIA, UMR 5287, Univ. Bordeaux, F-33000 Bordeaux, France .,INCIA, UMR 5287, CNRS, F-33000 Bordeaux, France
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12
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Kühne SG, Schalla MA, Friedrich T, Kobelt P, Goebel-Stengel M, Long M, Rivalan M, Winter Y, Rose M, Stengel A. Nesfatin-1 30-59 Injected Intracerebroventricularly Increases Anxiety, Depression-Like Behavior, and Anhedonia in Normal Weight Rats. Nutrients 2018; 10:nu10121889. [PMID: 30513901 PMCID: PMC6315806 DOI: 10.3390/nu10121889] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Revised: 11/09/2018] [Accepted: 11/19/2018] [Indexed: 11/30/2022] Open
Abstract
Nesfatin-1 is a well-established anorexigenic peptide. Recent studies indicated an association between nesfatin-1 and anxiety/depression-like behavior. However, it is unclear whether this effect is retained in obesity. The aim was to investigate the effect of nesfatin-130-59—the active core of nesfatin-1—on anxiety and depression-like behavior in normal weight (NW) and diet-induced (DIO) obese rats. Male rats were intracerebroventricularly (ICV) cannulated and received nesfatin-130-59 (0.1, 0.3, or 0.9 nmol/rat) or vehicle 30 min before testing. Nesfatin-130-59 at a dose of 0.3 nmol reduced sucrose consumption in the sucrose preference test in NW rats compared to vehicle (–33%, p < 0.05), indicating depression-like/anhedonic behavior. This dose was used for all following experiments. Nesfatin-130-59 also reduced cookie intake during the novelty-induced hypophagia test (−62%, p < 0.05). Moreover, nesfatin-130-59 reduced the number of entries into the center zone in the open field test (−45%, p < 0.01) and the visits of open arms in the elevated zero maze test (−39%, p < 0.01) in NW rats indicating anxiety. Interestingly, DIO rats showed no behavioral alterations after the injection of nesfatin-130-59 (p > 0.05). These results indicate an implication of nesfatin-130-59 in the mediation of anxiety and depression-like behavior/anhedonia under normal weight conditions, while in DIO rats, a desensitization might occur.
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Affiliation(s)
- Stephanie Gladys Kühne
- Charité Center for Internal Medicine and Dermatology, Department for Psychosomatic Medicine, Charité-Universitätsmedizin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, 12203 Berlin, Germany.
| | - Martha Anna Schalla
- Charité Center for Internal Medicine and Dermatology, Department for Psychosomatic Medicine, Charité-Universitätsmedizin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, 12203 Berlin, Germany.
| | - Tiemo Friedrich
- Charité Center for Internal Medicine and Dermatology, Department for Psychosomatic Medicine, Charité-Universitätsmedizin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, 12203 Berlin, Germany.
| | - Peter Kobelt
- Charité Center for Internal Medicine and Dermatology, Department for Psychosomatic Medicine, Charité-Universitätsmedizin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, 12203 Berlin, Germany.
| | - Miriam Goebel-Stengel
- Charité Center for Internal Medicine and Dermatology, Department for Psychosomatic Medicine, Charité-Universitätsmedizin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, 12203 Berlin, Germany.
- Department of Internal Medicine, Helios Clinic, 78628 Rottweil, Germany.
- Department of Psychosomatic Medicine and Psychotherapy, University Hospital Tübingen, 72076 Tübingen, Germany.
| | - Melissa Long
- Cognitive Neurobiology, Berlin Mouse Clinic for Neurology and Psychiatry, Humboldt University, 10117 Berlin, Germany.
| | - Marion Rivalan
- Cognitive Neurobiology, Berlin Mouse Clinic for Neurology and Psychiatry, Humboldt University, 10117 Berlin, Germany.
| | - York Winter
- Cognitive Neurobiology, Berlin Mouse Clinic for Neurology and Psychiatry, Humboldt University, 10117 Berlin, Germany.
| | - Matthias Rose
- Charité Center for Internal Medicine and Dermatology, Department for Psychosomatic Medicine, Charité-Universitätsmedizin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, 12203 Berlin, Germany.
| | - Andreas Stengel
- Charité Center for Internal Medicine and Dermatology, Department for Psychosomatic Medicine, Charité-Universitätsmedizin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, 12203 Berlin, Germany.
- Department of Psychosomatic Medicine and Psychotherapy, University Hospital Tübingen, 72076 Tübingen, Germany.
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13
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Abstract
Humans and non-human animals frequently violate principles of economic rationality, such as transitivity, independence of irrelevant alternatives, and regularity. The conditions that lead to these violations are not completely understood. Here we report a study on mice tested in automated home-cage setups using rewards of drinking water. Rewards differed in one of two dimensions, volume or probability. Our results suggest that mouse choice conforms to the principles of economic rationality for options that differ along a single reward dimension. A psychometric analysis of mouse choices further revealed that mice responded more strongly to differences in probability than to differences in volume, despite equivalence in return rates. This study also demonstrates the synergistic effect between the principles of economic rationality and psychophysics in making quantitative predictions about choices of healthy laboratory mice. This opens up new possibilities for the analyses of multi-dimensional choice and the use of mice with cognitive impairments that may violate economic rationality.
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Affiliation(s)
- Marion Rivalan
- Department of Biology, Humboldt University, Philippstr. 13, Berlin, 10099, Germany
| | - York Winter
- Department of Biology, Humboldt University, Philippstr. 13, Berlin, 10099, Germany.
| | - Vladislav Nachev
- Department of Biology, Humboldt University, Philippstr. 13, Berlin, 10099, Germany.
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14
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Rivalan M, Munawar H, Fuchs A, Winter Y. Correction: An Automated, Experimenter-Free Method for the Standardised, Operant Cognitive Testing of Rats. PLoS One 2017; 12:e0176807. [PMID: 28445547 PMCID: PMC5405912 DOI: 10.1371/journal.pone.0176807] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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15
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Rivalan M, Munawar H, Fuchs A, Winter Y. An Automated, Experimenter-Free Method for the Standardised, Operant Cognitive Testing of Rats. PLoS One 2017; 12:e0169476. [PMID: 28060883 PMCID: PMC5218494 DOI: 10.1371/journal.pone.0169476] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2016] [Accepted: 12/16/2016] [Indexed: 11/18/2022] Open
Abstract
Animal models of human pathology are essential for biomedical research. However, a recurring issue in the use of animal models is the poor reproducibility of behavioural and physiological findings within and between laboratories. The most critical factor influencing this issue remains the experimenter themselves. One solution is the use of procedures devoid of human intervention. We present a novel approach to experimenter-free testing cognitive abilities in rats, by combining undisturbed group housing with automated, standardized and individual operant testing. This experimenter-free system consisted of an automated-operant system (Bussey-Saksida rat touch screen) connected to a home cage containing group living rats via an automated animal sorter (PhenoSys). The automated animal sorter, which is based on radio-frequency identification (RFID) technology, functioned as a mechanical replacement of the experimenter. Rats learnt to regularly and individually enter the operant chamber and remained there for the duration of the experimental session only. Self-motivated rats acquired the complex touch screen task of trial-unique non-matching to location (TUNL) in half the time reported for animals that were manually placed into the operant chamber. Rat performance was similar between the two groups within our laboratory, and comparable to previously published results obtained elsewhere. This reproducibility, both within and between laboratories, confirms the validity of this approach. In addition, automation reduced daily experimental time by 80%, eliminated animal handling, and reduced equipment cost. This automated, experimenter-free setup is a promising tool of great potential for testing a large variety of functions with full automation in future studies.
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Affiliation(s)
- Marion Rivalan
- Department of Biology, Humboldt University of Berlin, Berlin, Germany
- * E-mail: (MR); (YW)
| | - Humaira Munawar
- Department of Biology, Humboldt University of Berlin, Berlin, Germany
| | - Anna Fuchs
- Department of Biology, Humboldt University of Berlin, Berlin, Germany
| | - York Winter
- Department of Biology, Humboldt University of Berlin, Berlin, Germany
- * E-mail: (MR); (YW)
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16
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Klein C, Rasińska J, Empl L, Sparenberg M, Poshtiban A, Hain EG, Iggena D, Rivalan M, Winter Y, Steiner B. Physical exercise counteracts MPTP-induced changes in neural precursor cell proliferation in the hippocampus and restores spatial learning but not memory performance in the water maze. Behav Brain Res 2016; 307:227-38. [PMID: 27012392 DOI: 10.1016/j.bbr.2016.02.040] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2015] [Revised: 01/26/2016] [Accepted: 02/29/2016] [Indexed: 01/29/2023]
Abstract
Parkinson's disease (PD) is characterized by a continuous loss of dopaminergic neurons in the substantia nigra, which not only leads to characteristic motor symptoms but also to cognitive impairments. Physical exercise has been shown to improve hippocampus-dependent cognitive functions in PD patients. Animal studies have demonstrated the involvement of adult hippocampal neurogenesis in exercise-induced improvements of visuo-spatial learning and memory. Here, we investigated the direct impact of voluntary wheel running on hippocampal neurogenesis and spatial learning and memory in the Morris water maze (MWM) using the1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) mouse model of PD. We also analyzed striatal and hippocampal dopamine transmission and mRNA expression levels of dopamine receptors. We show that MPTP-induced spatial learning deficits were alleviated by short-term physical exercise but not MPTP-induced spatial memory impairments in either exercise intervention group. Neural precursor proliferation was transiently altered in MPTP-treated mice, while the cell survival was increased by exercise. Dopamine was progressively depleted by MPTP and its turnover altered by exercise. In addition, gene expression of dopamine receptor D1/D5 was transiently upregulated following MPTP treatment but not affected by physical exercise. Our findings suggest that physical exercise benefits spatial learning but not memory performance in the MWM after MPTP-induced dopamine depletion by restoring precursor cell proliferation in the hippocampus and influencing dopamine transmission. This adds to the understanding of cognitive decline and mechanisms for potential improvements by physical exercise in PD patients.
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Affiliation(s)
- C Klein
- Charité University Medicine Berlin, Department of Neurology, Berlin, Germany
| | - J Rasińska
- Charité University Medicine Berlin, Department of Neurology, Berlin, Germany
| | - L Empl
- Charité University Medicine Berlin, Department of Neurology, Berlin, Germany
| | - M Sparenberg
- Charité University Medicine Berlin, Department of Neurology, Berlin, Germany
| | - A Poshtiban
- Charité University Medicine Berlin, Department of Neurology, Berlin, Germany
| | - E G Hain
- Charité University Medicine Berlin, Department of Neurology, Berlin, Germany
| | - D Iggena
- Charité University Medicine Berlin, Department of Neurology, Berlin, Germany
| | - M Rivalan
- Humboldt University, Department of Neurobiology, Berlin, Germany
| | - Y Winter
- Humboldt University, Department of Neurobiology, Berlin, Germany
| | - B Steiner
- Charité University Medicine Berlin, Department of Neurology, Berlin, Germany.
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17
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Schuster S, Rivalan M, Strauss U, Stoenica L, Trimbuch T, Rademacher N, Parthasarathy S, Lajkó D, Rosenmund C, Shoichet SA, Winter Y, Tarabykin V, Rosário M. NOMA-GAP/ARHGAP33 regulates synapse development and autistic-like behavior in the mouse. Mol Psychiatry 2015; 20:1120-31. [PMID: 25869807 DOI: 10.1038/mp.2015.42] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2014] [Revised: 02/23/2015] [Accepted: 03/03/2015] [Indexed: 02/06/2023]
Abstract
Neuropsychiatric developmental disorders, such as autism spectrum disorders (ASDs) and schizophrenia, are typically characterized by alterations in social behavior and have been linked to aberrant dendritic spine and synapse development. Here we show, using genetically engineered mice, that the Cdc42 GTPase-activating multiadaptor protein, NOMA-GAP, regulates autism-like social behavior in the mouse, as well as dendritic spine and synapse development. Surprisingly, we were unable to restore spine morphology or autism-associated social behavior in NOMA-GAP-deficient animals by Cre-mediated deletion of Cdc42 alone. Spine morphology can be restored in vivo by re-expression of wild-type NOMA-GAP or a mutant of NOMA-GAP that lacks the RhoGAP domain, suggesting that other signaling functions are involved. Indeed, we show that NOMA-GAP directly interacts with several MAGUK (membrane-associated guanylate kinase) proteins, and that this modulates NOMA-GAP activity toward Cdc42. Moreover, we demonstrate that NOMA-GAP is a major regulator of PSD-95 in the neocortex. Loss of NOMA-GAP leads to strong upregulation of serine 295 phosphorylation of PSD-95 and moreover to its subcellular mislocalization. This is associated with marked loss of surface α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptor and defective synaptic transmission, thereby providing a molecular basis for autism-like social behavior in the absence of NOMA-GAP.
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Affiliation(s)
- S Schuster
- Dendritic Development, Institute of Cell and Neurobiology, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - M Rivalan
- Institute of Cognitive Neurobiology, Humboldt University Berlin and Berlin Mouse Clinic for Neurology and Psychiatry, Charité Universitätsmedizin, Berlin, Germany
| | - U Strauss
- Ionic Current Development, Institute of Cell and Neurobiology, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - L Stoenica
- Ionic Current Development, Institute of Cell and Neurobiology, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - T Trimbuch
- Neuroscience, NeuroCure-NWFZ, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - N Rademacher
- Molecular Neurobiology and Genetics, NeuroCure-NWFZ, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - S Parthasarathy
- Cortical Development, Institute of Cell and Neurobiology, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - D Lajkó
- Dendritic Development, Institute of Cell and Neurobiology, Charité Universitätsmedizin Berlin, Berlin, Germany.,Cortical Development, Institute of Cell and Neurobiology, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - C Rosenmund
- Neuroscience, NeuroCure-NWFZ, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - S A Shoichet
- Molecular Neurobiology and Genetics, NeuroCure-NWFZ, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - Y Winter
- Institute of Cognitive Neurobiology, Humboldt University Berlin and Berlin Mouse Clinic for Neurology and Psychiatry, Charité Universitätsmedizin, Berlin, Germany
| | - V Tarabykin
- Cortical Development, Institute of Cell and Neurobiology, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - M Rosário
- Dendritic Development, Institute of Cell and Neurobiology, Charité Universitätsmedizin Berlin, Berlin, Germany
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18
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Waters RP, Rivalan M, Bangasser DA, Deussing JM, Ising M, Wood SK, Holsboer F, Summers CH. Evidence for the role of corticotropin-releasing factor in major depressive disorder. Neurosci Biobehav Rev 2015; 58:63-78. [PMID: 26271720 DOI: 10.1016/j.neubiorev.2015.07.011] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2014] [Revised: 06/24/2015] [Accepted: 07/24/2015] [Indexed: 01/05/2023]
Abstract
Major depressive disorder (MDD) is a devastating disease affecting over 300 million people worldwide, and costing an estimated 380 billion Euros in lost productivity and health care in the European Union alone. Although a wealth of research has been directed toward understanding and treating MDD, still no therapy has proved to be consistently and reliably effective in interrupting the symptoms of this disease. Recent clinical and preclinical studies, using genetic screening and transgenic rodents, respectively, suggest a major role of the CRF1 gene, and the central expression of CRF1 receptor protein in determining an individual's risk of developing MDD. This gene is widely expressed in brain tissue, and regulates an organism's immediate and long-term responses to social and environmental stressors, which are primary contributors to MDD. This review presents the current state of knowledge on CRF physiology, and how it may influence the occurrence of symptoms associated with MDD. Additionally, this review presents findings from multiple laboratories that were presented as part of a symposium on this topic at the annual 2014 meeting of the International Behavioral Neuroscience Society (IBNS). The ideas and data presented in this review demonstrate the great progress that has been made over the past few decades in our understanding of MDD, and provide a pathway forward toward developing novel treatments and detection methods for this disorder.
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Affiliation(s)
| | | | | | - J M Deussing
- Max Planck Institute of Psychiatry, Munich, Germany
| | - M Ising
- Max Planck Institute of Psychiatry, Munich, Germany
| | - S K Wood
- University of South Carolina School of Medicine, Columbia, SC, USA
| | - F Holsboer
- Max Planck Institute of Psychiatry, Munich, Germany; HMNC GmbH, Munich, Germany
| | - Cliff H Summers
- University of South Dakota, Vermillion, SD, USA; Sanford School of Medicine, Vermillion, SD, USA.
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Fitoussi A, Le Moine C, De Deurwaerdère P, Laqui M, Rivalan M, Cador M, Dellu-Hagedorn F. Prefronto-subcortical imbalance characterizes poor decision-making: neurochemical and neural functional evidences in rats. Brain Struct Funct 2014; 220:3485-96. [PMID: 25134683 DOI: 10.1007/s00429-014-0868-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2014] [Accepted: 07/30/2014] [Indexed: 01/28/2023]
Abstract
A major challenge of decision-making research in recent years has been to develop models of poor decision-making to identify its neural bases. Toward this goal, we developed a Rat Gambling Task that discerns good and poor decision-makers in a complex and conflicting situation such as the human Iowa Gambling Task. Nothing is known about the role of the monoaminergic modulatory systems in shaping these phenotypes. Moreover, functional and temporal contributions of brain areas during poor compared to good decision-making remains elusive. Good and poor decision-makers were identified in the Rat Gambling Task. We investigated neurobiological correlates of decision-making capacities in (1) dopamine and serotonin turnovers using post-mortem tissue measurements, (2) the neural circuits differentially recruited during decision-making within the prefronto-subcortical network using cellular Fos immunodetection. Imbalance in monoamine metabolism was revealed in poor decision-makers, i.e. a higher infralimbic vs. lower amygdala serotonergic metabolism. Moreover, good decision-making recruited a wide prefronto-subcortical network but once good choices had been made, a disengagement of key prefrontal areas (insular and infralimbic cortices notably) and the amygdala was observed. By contrast, poor decision-making was associated with a strikingly low recruitment of the prefronto-subcortical network, together with sustained amygdala activity. Our results identify two complementary neurobiological substrates characterizing poor decision-makers: imbalanced monoaminergic systems at rest, congruent with their previously identified complex behavioral phenotype, and an aberrant low recruitment of key brain areas for executive functions and affective valence during the process of decision-making. These biomarkers could sustain vulnerability to developing poor decision-making related disorders.
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Affiliation(s)
- Aurélie Fitoussi
- University of Bordeaux, INCIA, CNRS UMR 5287, PB. 31, 146 rue Léo Saignat, 33076, Bordeaux Cedex, France.,CNRS, University of Bordeaux, INCIA, UMR 5287, 33000, Bordeaux, France
| | - Catherine Le Moine
- University of Bordeaux, INCIA, CNRS UMR 5287, PB. 31, 146 rue Léo Saignat, 33076, Bordeaux Cedex, France.,CNRS, University of Bordeaux, INCIA, UMR 5287, 33000, Bordeaux, France
| | - Philippe De Deurwaerdère
- University of Bordeaux, INCIA, CNRS UMR 5287, PB. 31, 146 rue Léo Saignat, 33076, Bordeaux Cedex, France.,CNRS, University of Bordeaux, IMN, UMR 5293, 33000, Bordeaux, France
| | - Matéo Laqui
- University of Bordeaux, INCIA, CNRS UMR 5287, PB. 31, 146 rue Léo Saignat, 33076, Bordeaux Cedex, France.,CNRS, University of Bordeaux, INCIA, UMR 5287, 33000, Bordeaux, France
| | - Marion Rivalan
- University of Bordeaux, INCIA, CNRS UMR 5287, PB. 31, 146 rue Léo Saignat, 33076, Bordeaux Cedex, France.,CNRS, University of Bordeaux, INCIA, UMR 5287, 33000, Bordeaux, France.,Institut of Cognitive Neurobiology, Humboldt University Berlin, Berlin, Germany
| | - Martine Cador
- University of Bordeaux, INCIA, CNRS UMR 5287, PB. 31, 146 rue Léo Saignat, 33076, Bordeaux Cedex, France.,CNRS, University of Bordeaux, INCIA, UMR 5287, 33000, Bordeaux, France
| | - Françoise Dellu-Hagedorn
- University of Bordeaux, INCIA, CNRS UMR 5287, PB. 31, 146 rue Léo Saignat, 33076, Bordeaux Cedex, France. .,CNRS, University of Bordeaux, INCIA, UMR 5287, 33000, Bordeaux, France.
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20
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Abstract
Although poor decision-making is a hallmark of psychiatric conditions such as attention deficit/hyperactivity disorder, pathological gambling or substance abuse, a fraction of healthy individuals exhibit similar poor decision-making performances in everyday life and specific laboratory tasks such as the Iowa Gambling Task. These particular individuals may provide information on risk factors or common endophenotypes of these mental disorders. In a rodent version of the Iowa gambling task--the Rat Gambling Task (RGT), we identified a population of poor decision makers, and assessed how these rats scored for several behavioral traits relevant to executive disorders: risk taking, reward seeking, behavioral inflexibility, and several aspects of impulsivity. First, we found that poor decision-making could not be well predicted by single behavioral and cognitive characteristics when considered separately. By contrast, a combination of independent traits in the same individual, namely risk taking, reward seeking, behavioral inflexibility, as well as motor impulsivity, was highly predictive of poor decision-making. Second, using a reinforcement-learning model of the RGT, we confirmed that only the combination of extreme scores on these traits could induce maladaptive decision-making. Third, the model suggested that a combination of these behavioral traits results in an inaccurate representation of rewards and penalties and inefficient learning of the environment. Poor decision-making appears as a consequence of the over-valuation of high-reward-high-risk options in the task. Such a specific psychological profile could greatly impair clinically healthy individuals in decision-making tasks and may predispose to mental disorders with similar symptoms.
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Affiliation(s)
- Marion Rivalan
- Centre National de la Recherche Scientifique, Aquitaine Institut for Cognitive and Integrative Neuroscience, UMR 5287, Bordeaux, France
- Université de Bordeaux, Aquitaine Institut for Cognitive and Integrative Neuroscience, UMR 5287, Bordeaux, France
| | - Vincent Valton
- Institute for Adaptive and Neural Computation, University of Edinburgh, Edinburgh, United Kingdom
| | - Peggy Seriès
- Institute for Adaptive and Neural Computation, University of Edinburgh, Edinburgh, United Kingdom
| | - Alain R. Marchand
- Centre National de la Recherche Scientifique, Aquitaine Institut for Cognitive and Integrative Neuroscience, UMR 5287, Bordeaux, France
- Université de Bordeaux, Aquitaine Institut for Cognitive and Integrative Neuroscience, UMR 5287, Bordeaux, France
| | - Françoise Dellu-Hagedorn
- Centre National de la Recherche Scientifique, Aquitaine Institut for Cognitive and Integrative Neuroscience, UMR 5287, Bordeaux, France
- Université de Bordeaux, Aquitaine Institut for Cognitive and Integrative Neuroscience, UMR 5287, Bordeaux, France
- * E-mail:
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van den Bos R, Davies W, Dellu-Hagedorn F, Goudriaan AE, Granon S, Homberg J, Rivalan M, Swendsen J, Adriani W. Cross-species approaches to pathological gambling: a review targeting sex differences, adolescent vulnerability and ecological validity of research tools. Neurosci Biobehav Rev 2013; 37:2454-71. [PMID: 23867802 DOI: 10.1016/j.neubiorev.2013.07.005] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2013] [Revised: 05/28/2013] [Accepted: 07/08/2013] [Indexed: 02/06/2023]
Abstract
Decision-making plays a pivotal role in daily life as impairments in processes underlying decision-making often lead to an inability to make profitable long-term decisions. As a case in point, pathological gamblers continue gambling despite the fact that this disrupts their personal, professional or financial life. The prevalence of pathological gambling will likely increase in the coming years due to expanding possibilities of on-line gambling through the Internet and increasing liberal attitudes towards gambling. It therefore represents a growing concern for society. Both human and animal studies rapidly advance our knowledge on brain-behaviour processes relevant for understanding normal and pathological gambling behaviour. Here, we review in humans and animals three features of pathological gambling which hitherto have received relatively little attention: (1) sex differences in (the development of) pathological gambling, (2) adolescence as a (putative) sensitive period for (developing) pathological gambling and (3) avenues for improving ecological validity of research tools. Based on these issues we also discuss how research in humans and animals may be brought in line to maximize translational research opportunities.
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Affiliation(s)
- Ruud van den Bos
- Department of Organismal Animal Physiology, Radboud University Nijmegen, Nijmegen, The Netherlands; Rudolf Magnus Institute of Neuroscience, University Medical Centre Utrecht, Utrecht, The Netherlands.
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Grégoire S, Rivalan M, Le Moine C, Dellu-Hagedorn F. The synergy of working memory and inhibitory control: behavioral, pharmacological and neural functional evidences. Neurobiol Learn Mem 2011; 97:202-12. [PMID: 22197651 DOI: 10.1016/j.nlm.2011.12.003] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2011] [Revised: 11/28/2011] [Accepted: 12/05/2011] [Indexed: 01/09/2023]
Abstract
Concomitant deficits in working memory and behavioral inhibition in several psychiatric disorders like attention-deficit/hyperactivity disorder, addiction or mania, suggest that common brain mechanisms may underlie their etiologies. Based on the theoretical assumption that a continuum exists between health and mental disorders, we explored the relationship between working memory and inhibition in healthy individuals, through spontaneous inter individual differences in behavior, and tested the hypothesis of a functional link through the fronto-striatal dopaminergic system. Rats were classified into three groups, showing good, intermediate and poor working memory and were compared for their inhibitory abilities. These two functions were simultaneously modulated by a dose-effect of d-amphetamine and in situ hybridization was used to quantify dopaminergic receptor (RD1) mRNAs in prefrontal cortex and striatal areas. A functional relationship between working memory and inhibition abilities was revealed. Both functions were similarly modulated by d-amphetamine according to an inverted-U shaped relationship and depending on initial individual performances. D-amphetamine selectively improved working memory and inhibition of poor and intermediate performers at low doses whereas it impaired both processes in good performers at a higher dose. D1 receptors were less expressed in prelimbic, infralimbic and anterior cingulate cortices of good compared to intermediate and poor performers, whereas no difference was observed between groups in striatal areas. The synergy of working memory and inhibitory abilities, observed in both healthy and psychiatric populations, may originate from endogenous variability in dopaminergic prefrontal cortex activity. Such findings confirm the validity of a dimensional approach, based on the concept of continuity between health and mental disorders for identifying endophenotypes of mental disorders.
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Affiliation(s)
- Stéphanie Grégoire
- CNRS, INCIA, UMR 5287, F-33000 Bordeaux, France; Univ. Bordeaux, INCIA, UMR 5287, F-33000 Bordeaux, France.
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23
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de Visser L, Homberg JR, Mitsogiannis M, Zeeb FD, Rivalan M, Fitoussi A, Galhardo V, van den Bos R, Winstanley CA, Dellu-Hagedorn F. Rodent versions of the iowa gambling task: opportunities and challenges for the understanding of decision-making. Front Neurosci 2011; 5:109. [PMID: 22013406 PMCID: PMC3189637 DOI: 10.3389/fnins.2011.00109] [Citation(s) in RCA: 81] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2011] [Accepted: 08/29/2011] [Indexed: 01/21/2023] Open
Abstract
Impaired decision-making is a core problem in several psychiatric disorders including attention-deficit/hyperactivity disorder, schizophrenia, obsessive–compulsive disorder, mania, drug addiction, eating disorders, and substance abuse as well as in chronic pain. To ensure progress in the understanding of the neuropathophysiology of these disorders, animal models with good construct and predictive validity are indispensable. Many human studies aimed at measuring decision-making capacities use the Iowa gambling task (IGT), a task designed to model everyday life choices through a conflict between immediate gratification and long-term outcomes. Recently, new rodent models based on the same principle have been developed to investigate the neurobiological mechanisms underlying IGT-like decision-making on behavioral, neural, and pharmacological levels. The comparative strengths, as well as the similarities and differences between these paradigms are discussed. The contribution of these models to elucidate the neurobehavioral factors that lead to poor decision-making and to the development of better treatments for psychiatric illness is considered, along with important future directions and potential limitations.
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Affiliation(s)
- Leonie de Visser
- Department of Neuroscience and Pharmacology, Rudolf Magnus Institute of Neuroscience, University Medical Centre Utrecht, Netherlands
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Rivalan M, Coutureau E, Fitoussi A, Dellu-Hagedorn F. Inter-individual decision-making differences in the effects of cingulate, orbitofrontal, and prelimbic cortex lesions in a rat gambling task. Front Behav Neurosci 2011; 5:22. [PMID: 21559308 PMCID: PMC3085860 DOI: 10.3389/fnbeh.2011.00022] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2011] [Accepted: 04/11/2011] [Indexed: 11/29/2022] Open
Abstract
Deficits in decision-making is a hallmark of several neuropsychiatric pathologies but is also observed in some healthy individuals that could be at risk to develop these pathologies. Poor decision-making can be revealed experimentally in humans using the Iowa gambling task, through the inability to select options that ensure long term gains over larger immediate gratification. We devised an analogous task in the rat, based on uncertainty and conflicting choices, the rat gambling task (RGT). It similarly reveals good and poor performers within a single session. Using this task, we investigated the role of three prefrontal cortical areas, the orbitofrontal, prelimbic, and cingulate cortices on decision-making, taking into account inter-individual variability in behavioral performances. Here, we show that these three distinct subregions are differentially engaged to solve the RGT. Cingulate cortex lesion mainly delayed good decision-making whereas prelimbic and orbitofrontal cortices induced different patterns of inadapted behaviors in the task, indicating varying degree of functional specialization of these three areas. Their contribution largely depended on the level of adaptability demonstrated by each individual to the constraint of the task. The inter-individual differences in the effect of prefrontal cortex area lesions on decision-making revealed in this study open new perspectives in the search for vulnerability markers to develop disorders related to executive dysfunctioning.
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Affiliation(s)
- Marion Rivalan
- Aquitaine Institute of Cognitive and Integrative Neuroscience, Université de Bordeaux, CNRS UMR 5287 Bordeaux, France
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Rivalan M, Ahmed SH, Dellu-Hagedorn F. Risk-prone individuals prefer the wrong options on a rat version of the Iowa Gambling Task. Biol Psychiatry 2009; 66:743-9. [PMID: 19482266 DOI: 10.1016/j.biopsych.2009.04.008] [Citation(s) in RCA: 107] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2009] [Revised: 04/01/2009] [Accepted: 04/04/2009] [Indexed: 11/16/2022]
Abstract
BACKGROUND Decision making in complex and conflicting situations, as measured in the widely used Iowa Gambling Task (IGT), can be profoundly impaired in psychiatric disorders, such as attention-deficit/hyperactivity disorder, drug addiction, and also in healthy individuals for whom immediate gratification prevails over long-term gain. The cognitive processes underlying these deficits are poorly understood, in part due to a lack of suitable animal models assessing complex decision making with good construct validity. METHODS We developed a rat gambling task analogous to the IGT that tracks, for the first time, the ongoing decision process within a single session in an operant cage. Rats could choose between various options. Disadvantageous options, as opposed to advantageous ones, offered bigger immediate food reward but were followed by longer, unpredictable penalties (time-out). RESULTS The majority of rats can evaluate and deduce favorable options more or less rapidly according to task complexity, whereas others systematically choose disadvantageously. These interindividual differences are stable over time and do not depend on task difficulty or on the level of food restriction. We find that poor decision making does not result from a failure to acquire relevant information but from hypersensitivity to reward and higher risk taking in anxiogenic situations. CONCLUSIONS These results suggest that rats, as well as human poor performers, share similar traits to those observed in decision-making related psychiatric disorders. These traits could constitute risk factors of developing such disorders. The rapid identification of poor decision makers using the rat gambling task should promote the discovery of the specific brain dysfunctions that cause maladapted decision making.
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Affiliation(s)
- Marion Rivalan
- CNRS UMR 5227, Université Victor Segalen Bordeaux 2, Bordeaux Cedex, France
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Rivalan M, Grégoire S, Dellu-Hagedorn F. Reduction of impulsivity with amphetamine in an appetitive fixed consecutive number schedule with cue for optimal performance in rats. Psychopharmacology (Berl) 2007; 192:171-82. [PMID: 17265075 DOI: 10.1007/s00213-007-0702-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2006] [Accepted: 01/07/2007] [Indexed: 02/04/2023]
Abstract
RATIONALE Impulsivity is a key feature of many psychopathologies such as mania, personality disorders or attention deficit-hyperactivity disorder (ADHD). Most experimental paradigms assessing impulsive behaviour also require non-specific capacities such as time estimation. This may interact with the measures and mask the beneficial effects of psychostimulants-the most commonly used treatment for ADHD-on impulsivity, given that these drugs speed up the internal clock. OBJECTIVES The present experiment investigated the effects of suppressing behaviours non-specific to impulsivity in a fixed consecutive number (FCN) schedule and examined whether amphetamine, previously shown to increase impulsive responses in this task, could have beneficial effects when impulsive responses are promoted. MATERIALS AND METHODS Food-deprived rats were trained to press one lever of a two-lever operant chamber eight times before pressing the other lever to obtain food. Premature ending of responses resulted in absence of food delivery and reset the counter. A cue light indicating the required number of presses was present (FCN8(cue)) and removed after training (FCN8). Rats were then trained under an FCN16(cue) schedule to be challenged with d-amphetamine (0.125, 0.25 and 0.5 mg/kg). RESULTS The cue improved performances, and similar scores were obtained under FCN16(cue) compared to FCN8. Premature responses under these two conditions were unrelated. Amphetamine reduced impulsive responses in FCN16(cue) at the lower dose. CONCLUSIONS Suppression of capacities non-specific to impulsivity in the FCN schedule, associated with conditions that permit the expression of inhibitory deficits, allows the beneficial effects of psychostimulants observed clinically to be evidenced experimentally.
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Affiliation(s)
- Marion Rivalan
- Université Bordeaux 2, Université Bordeaux 1, CNRS, UMR 5227, 146 rue Léo Saignat - BP31, 33076, Bordeaux Cedex, France
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