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Szechtman H, Dvorkin-Gheva A, Gomez-Marin A. A virtual library for behavioral performance in standard conditions-rodent spontaneous activity in an open field during repeated testing and after treatment with drugs or brain lesions. Gigascience 2022; 11:6756450. [PMID: 36261217 PMCID: PMC9581716 DOI: 10.1093/gigascience/giac092] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 07/31/2022] [Accepted: 09/06/2022] [Indexed: 11/04/2022] Open
Abstract
Background Beyond their specific experiment, video records of behavior have future value—for example, as inputs for new experiments or for yet unknown types of analysis of behavior—similar to tissue or blood sample banks in life sciences where clinically derived or otherwise well-described experimental samples are stored to be available for some unknown potential future purpose. Findings Research using an animal model of obsessive-compulsive disorder employed a standardized paradigm where the behavior of rats in a large open field was video recorded for 55 minutes on each test. From 43 experiments, there are 19,976 such trials that amount to over 2 years of continuous recording. In addition to videos, there are 2 video-derived raw data objects: XY locomotion coordinates and plots of animal trajectory. To motivate future use, the 3 raw data objects are annotated with a general schema—one that abstracts the data records from their particular experiment while providing, at the same time, a detailed list of independent variables bearing on behavioral performance. The raw data objects are deposited as 43 datasets but constitute, functionally, a library containing 1 large dataset. Conclusions Size and annotation schema give the library high reuse potential: in applications using machine learning techniques, statistical evaluation of subtle factors, simulation of new experiments, or as educational resource. Ultimately, the library can serve both as the seed and as the test bed to create a machine-searchable virtual library of linked open datasets for behavioral performance in defined conditions.
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Affiliation(s)
- Henry Szechtman
- Correspondence address. Henry Szechtman, Department of Psychiatry and Behavioural Neurosciences, McMaster University, 1280 Main Street West, Health Science Centre, Room 4N82, Hamilton, Ontario, Canada L8S 4K1. E-mail:
| | - Anna Dvorkin-Gheva
- Department of Pathology & Molecular Medicine, McMaster University, Hamilton, Ontario L8S 4K1, Canada
| | - Alex Gomez-Marin
- Department of Systems Neurobiology, Instituto de Neurociencias (CSIC-UMH), 03550 Sant Joan d'Alacant, Alicante, Spain
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Caykoylu A, Kabadayi Sahin E, Ugurlu M. Could the Thyroid Gland Dominate the Brain in Obsessive-Compulsive Disorder? Neuroendocrinology 2022; 112:1143-1154. [PMID: 35443249 DOI: 10.1159/000524627] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 04/04/2022] [Indexed: 12/26/2022]
Abstract
Thyroid hormones have an essential role in brain maturation and neuronal functioning. The comorbidity of thyroid disorders and several mental disturbances is frequently reported. We aimed to evaluate the literature on the potential relationship between thyroid disorders and obsessive-compulsive disorder (OCD) and obsessive-compulsive symptoms (OCS). We searched the literature using PUBMED, ProQuest, Google Scholar, and PsycInfo electronic databases for original studies (cross-sectional, case series, case report) on the association between thyroid dysfunctions and OCD and OCS between 1977 and 2021. Eleven studies met the inclusion criteria. Despite some methodological limitations, the OCD rates in patients with autoimmune thyroid disorders were found to be higher than the normal population in two studies. The findings on thyroid dysfunction in OCD patients were inconclusive. In the light of available data, it could be proposed that there might be a possible association between thyroid disorders and OCD. Some shared immunological mechanisms could play a role in the pathophysiology of both thyroid diseases and OCD. New research is needed to confirm this association and elucidate the underlying common mechanisms between these disorders.
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Affiliation(s)
- Ali Caykoylu
- Department of Psychiatry, Ankara Yildirim Beyazit University, Ankara, Turkey
| | - Esra Kabadayi Sahin
- Department of Psychiatry, Ankara Dr. Abdurrahman Yurtaslan Oncology Research and Training Hospital, Health Science University, Ankara, Turkey
| | - Mustafa Ugurlu
- Department of Psychiatry, Ankara Yildirim Beyazit University, Ankara, Turkey
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Environmental determinants of behavioural responses to short-term stress in rats: Evidence for inhibitory effect of ambient landmarks. Behav Brain Res 2020; 379:112332. [PMID: 31678423 DOI: 10.1016/j.bbr.2019.112332] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2019] [Revised: 09/23/2019] [Accepted: 10/25/2019] [Indexed: 02/05/2023]
Abstract
Behavioural responses to stress occur in an environment-dependent manner. Complex environments require flexible behavioural coping strategies and chronic stress usually generates psychomotor inhibition. Here, we examine if short-term stress also exerts an inhibitory effect on novelty-seeking, exploratory behaviours. Rats underwent acute restraint stress or were left undisturbed, and their neuroendocrine and behavioural responses were assessed at short- and long-term time points. Animals were individually tested in the open field task (OFT) and the corridor field task (CFT) with and without a central object for free exploration and novelty seeking behaviour. Stress-related psychomotor alterations were measured by path speed, path length, number of stops and thigmotaxis in both tasks. Short-term stress activated the hypothalamic-pituitary-adrenal axis causing elevated plasma corticosterone levels. Stress also impacted psychomotor functions in terms of motivational changes (higher speed and longer path) only in the central-object variations of the OFT and CFT. Moreover, stress-induced emotional alterations were manifested by a higher number of stops and thigmotactic behaviour only in the central-object condition. These findings suggest that environmental landmarks determine the type and direction of exploratory behaviour under transient stress.
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Changes in gut microbiota during development of compulsive checking and locomotor sensitization induced by chronic treatment with the dopamine agonist quinpirole. Behav Pharmacol 2019; 29:211-224. [PMID: 29194070 DOI: 10.1097/fbp.0000000000000363] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Long-term treatment of rats with the D2/D3 dopamine agonist quinpirole induces compulsive checking (proposed as animal model of obsessive-compulsive disorder) and locomotor sensitization. The mechanisms by which long-term use of quinpirole produces those behavioral transformations are not known. Here we examined whether changes in gut microbiota play a role in these behavioral phenomena, by monitoring the development of compulsive checking and locomotor sensitization at the same time as measuring the response of gut microbiota to chronic quinpirole injections. Two groups of rats received nine injections of saline (n=16) or quinpirole (n=15; 0.25 mg/kg), at weekly intervals for the first 5 weeks and then two injections per week until the end of treatment. After each injection, rats were placed on a large open field for 55 min, and their behavior was video recorded for subsequent analysis. Fecal matter was collected after each trial and frozen for bacterial community profiling of the 16S rRNA gene, using paired-end reads of the V3 region. The results indicated that the induction of locomotor sensitization and compulsive checking was accompanied by changes in several communities of bacteria belonging to the order Clostridiales (class Clostridia, phylum Firmicutes), and predominantly in Lachnospiraceae and Ruminococcaceae families of bacteria. It is suggested that changes in these microbes may serve to support the energy use requirements of compulsive checking and obsessive-compulsive disorder.
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Servaes S, Glorie D, Stroobants S, Staelens S. Neuroreceptor kinetics in rats repeatedly exposed to quinpirole as a model for OCD. PLoS One 2019; 14:e0213313. [PMID: 30845202 PMCID: PMC6405120 DOI: 10.1371/journal.pone.0213313] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Accepted: 02/19/2019] [Indexed: 11/24/2022] Open
Abstract
Background Obsessive-compulsive disorder (OCD) is a chronic, incapacitating, early onset psychiatric disorder that is characterized by obsessions and compulsions originating from a disturbance in the cortico-striato-thalamico-cortical circuit. We implemented the preclinical quinpirole (QP) rat model for compulsive checking in OCD to analyse the behaviour and visualize the D2R, mGluR5 and GLT1 density in order to contribute to the understanding of the neuroreceptor kinetics. Methods Animals (n = 14) were exposed to either saline (1 mL/kg) or QP (dopamine D2-agonist, 0.5 mg/kg) twice-weekly during 7 weeks. After each injection animals were placed on an open field test. After model setup, animals were placed in a behavioural cage equipped with tracking software and hardware in order to analyse the behaviour. Subsequently, sagittal slides were made of the CP in the right hemisphere and a staining was done with the D2R, mGluR5 and GLT-1 antibody to visualize the corresponding receptor. Results The QP animals displayed a strong increase in travelled distance (+596.70%) and in the number of homebase visits (+1222.90%) compared to the control animals. After chronic exposure to QP, animals had a significantly (p < 0.05) higher percentage of D2R density in the CP (7.92% ± 0.48%) versus 6.66% ± 0.28% in animals treated with saline. There were no differences for mGluR5 and GLT1 receptor density. Conclusions Chronic exposure to QP leads to hyperlocomotion and an increase in D2R density. Furthermore, as mGluR5 and GLT1 density did not seem to be directly affected, decreased levels of glutamate might have influenced the binding potential in earlier reports.
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Affiliation(s)
- Stijn Servaes
- Molecular Imaging Center Antwerp (MICA), University of Antwerp, Wilrijk, Antwerp, Belgium
| | - Dorien Glorie
- Molecular Imaging Center Antwerp (MICA), University of Antwerp, Wilrijk, Antwerp, Belgium
| | - Sigrid Stroobants
- Molecular Imaging Center Antwerp (MICA), University of Antwerp, Wilrijk, Antwerp, Belgium
- Department of Nuclear Medicine, University Hospital Antwerp, Edegem, Antwerp, Belgium
| | - Steven Staelens
- Molecular Imaging Center Antwerp (MICA), University of Antwerp, Wilrijk, Antwerp, Belgium
- * E-mail:
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Dorfman A, Szechtman H, Eilam D. Social interaction modulates the intensity of compulsive checking in a rat model of obsessive-compulsive disorder (OCD). Behav Brain Res 2019; 359:156-164. [DOI: 10.1016/j.bbr.2018.10.038] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Revised: 10/09/2018] [Accepted: 10/29/2018] [Indexed: 02/06/2023]
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Frederick MJ, Cocuzzo SE. Contrafreeloading in Rats Is Adaptive and Flexible: Support for an Animal Model of Compulsive Checking. EVOLUTIONARY PSYCHOLOGY 2017; 15:1474704917735937. [PMID: 29073770 PMCID: PMC10481083 DOI: 10.1177/1474704917735937] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2017] [Accepted: 09/14/2017] [Indexed: 01/01/2023] Open
Abstract
Contrafreeloading involves working unnecessarily to obtain a reward that is otherwise freely available. It has been observed in numerous species and can be adaptive when it provides an organism with updated information about available resources. Humans frequently update their knowledge of the environment through checking behaviors. Compulsive checking occurs when such actions are performed with excessive frequency. In a putative animal model of compulsive checking, rats treated chronically with the dopamine agonist quinpirole display exaggerated contrafreeloading for water. Although this effect has been attributed to behavioral rigidity, some evidence suggests the behavior remains somewhat flexible and may be adaptive under certain conditions. We assessed the ability of quinpirole-treated rats with contrafreeloading experience to adapt to changing contingencies by requiring them to alternate between response levers. Rats treated with quinpirole or saline were first trained to obtain water by pressing either of two levers. Next, free water was made available for 8 days, and contrafreeloading was measured. Rates of contrafreeloading were significantly higher in the drug-treated rats than in controls. On the following 5 days, each reward caused the associated lever to become inactive until a reward was earned from the alternate lever. Quinpirole-treated rats learned this new response requirement more quickly than controls. Thus, exaggerated checking behavior induced by chronic quinpirole treatment can be advantageous when environmental contingencies change. These results provide support for this animal model of compulsive checking and hint at the presence of a specialized neural checking module involving the dopamine system.
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Affiliation(s)
- Michael J. Frederick
- Division of Applied Behavioral Sciences, University of Baltimore, Baltimore, MD, USA
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Servaes S, Glorie D, Verhaeghe J, Stroobants S, Staelens S. Preclinical molecular imaging of glutamatergic and dopaminergic neuroreceptor kinetics in obsessive compulsive disorder. Prog Neuropsychopharmacol Biol Psychiatry 2017; 77:90-98. [PMID: 28365375 DOI: 10.1016/j.pnpbp.2017.02.027] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2016] [Revised: 02/06/2017] [Accepted: 02/27/2017] [Indexed: 10/19/2022]
Abstract
BACKGROUND Molecular neuroimaging was applied in the quinpirole rat model for compulsive checking in OCD to visualize the D2- and mGluR5-receptor occupancy with Raclopride and ABP-688 microPET/CT. METHODS Animals (n=48) were exposed to either saline (CTRL; 1mL/kg) or quinpirole (QP; dopamine D2-agonist, 0.5mg/kg) in a single injection (RAC and ABP acute groups) or twice-weekly during 7weeks (chronic group). Animals underwent PET/CT after the 1st injection (acute) or before initial exposure and following the 10th injection in week 5 (chronic). For the latter, each injection was paired with an open field test and video tracking. RESULTS The QP animals displayed a strong increase in visiting frequency (checking) in the chronic group (+699.29%) compared to the control animals. Acute administration of the drug caused significant (p<0.01) decreases in D2R occupancy in the CP (-42.03%±4.01%). Chronical exposure resulted in significantly stronger decreases in the CP (-52.29%±3.79%). Furthermore significant increases in mGluR5 occupancy were found in the CP (10.36%±4.09%), anterior cingulate cortex (13.26%±4.01%), amygdala (24.36%±6.86%), entorhinal cortex (18.49%±5.14%) and nucleus accumbens (13.8%±4.87%) of the chronic group, not present after acute exposure. CONCLUSIONS Compared to acute exposure, sensitisation to QP as a model for OCD differs both on a dopaminergic and glutamateric level, indicating involvement of processes such as receptor internalization and changes in extracellular availability of both neurotransmitters.
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Affiliation(s)
- S Servaes
- Molecular Imaging Center Antwerp (MICA), University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Antwerp, Belgium.
| | - D Glorie
- Molecular Imaging Center Antwerp (MICA), University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Antwerp, Belgium.
| | - J Verhaeghe
- Molecular Imaging Center Antwerp (MICA), University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Antwerp, Belgium.
| | - S Stroobants
- Molecular Imaging Center Antwerp (MICA), University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Antwerp, Belgium; Department of Nuclear Medicine, University Hospital Antwerp, Wilrijkstraat 10, 2650, Edegem, Antwerp, Belgium.
| | - S Staelens
- Molecular Imaging Center Antwerp (MICA), University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Antwerp, Belgium.
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Eilam D. From an animal model to human patients: An example of a translational study on obsessive compulsive disorder (OCD). Neurosci Biobehav Rev 2017; 76:67-76. [DOI: 10.1016/j.neubiorev.2016.12.034] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2016] [Revised: 12/05/2016] [Accepted: 12/16/2016] [Indexed: 01/26/2023]
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Szechtman H, Ahmari SE, Beninger RJ, Eilam D, Harvey BH, Edemann-Callesen H, Winter C. Obsessive-compulsive disorder: Insights from animal models. Neurosci Biobehav Rev 2017; 76:254-279. [PMID: 27168347 PMCID: PMC5833926 DOI: 10.1016/j.neubiorev.2016.04.019] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Revised: 04/22/2016] [Accepted: 04/26/2016] [Indexed: 01/15/2023]
Abstract
Research with animal models of obsessive-compulsive disorder (OCD) shows the following: (1) Optogenetic studies in mice provide evidence for a plausible cause-effect relation between increased activity in cortico-basal ganglia-thalamo-cortical (CBGTC) circuits and OCD by demonstrating the induction of compulsive behavior with the experimental manipulation of the CBGTC circuit. (2) Parallel use of several animal models is a fruitful paradigm to examine the mechanisms of treatment effects of deep brain stimulation in distinct OCD endophenotypes. (3) Features of spontaneous behavior in deer mice constitute a rich platform to investigate the neurobiology of OCD, social ramifications of a compulsive phenotype, and test novel drugs. (4) Studies in animal models for psychiatric disorders comorbid with OCD suggest comorbidity may involve shared neural circuits controlling expression of compulsive behavior. (5) Analysis of compulsive behavior into its constitutive components provides evidence from an animal model for a motivational perspective on OCD. (6) Methods of behavioral analysis in an animal model translate to dissection of compulsive rituals in OCD patients, leading to diagnostic tests.
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Affiliation(s)
- Henry Szechtman
- Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, ON, Canada.
| | - Susanne E Ahmari
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, PA, USA.
| | - Richard J Beninger
- Departments of Psychology and Psychiatry, Queen's University, Kingston, ON, Canada.
| | - David Eilam
- Department of Zoology, Tel-Aviv University, Ramat-Aviv 69978, Israel.
| | - Brian H Harvey
- MRC Unit on Anxiety and Stress Disorders, Center of Excellence for Pharmaceutical Sciences, School of Pharmacy, North-West University, Potchefstroom, South Africa.
| | - Henriette Edemann-Callesen
- Bereich Experimentelle Psychiatrie, Klinik und Poliklinik für Psychiatrie und Psychotherapie, Universitätsklinikum Carl Gustav Carus an der Technischen Universität Dresden, Dresden, Germany.
| | - Christine Winter
- Bereich Experimentelle Psychiatrie, Klinik und Poliklinik für Psychiatrie und Psychotherapie, Universitätsklinikum Carl Gustav Carus an der Technischen Universität Dresden, Dresden, Germany.
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Servaes S, Glorie D, Verhaeghe J, Wyffels L, Stroobants S, Staelens S. [18F]-FDG PET neuroimaging in rats with quinpirole-induced checking behavior as a model for obsessive compulsive disorder. Psychiatry Res Neuroimaging 2016; 257:31-38. [PMID: 27771554 DOI: 10.1016/j.pscychresns.2016.10.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2015] [Revised: 09/19/2016] [Accepted: 10/14/2016] [Indexed: 10/20/2022]
Affiliation(s)
- Stijn Servaes
- Molecular Imaging Center Antwerp (MICA), University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Antwerp, Belgium.
| | - Dorien Glorie
- Molecular Imaging Center Antwerp (MICA), University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Antwerp, Belgium.
| | - Jeroen Verhaeghe
- Molecular Imaging Center Antwerp (MICA), University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Antwerp, Belgium.
| | - Leonie Wyffels
- Molecular Imaging Center Antwerp (MICA), University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Antwerp, Belgium; Department of Nuclear Medicine, University Hospital Antwerp, Wilrijkstraat 10, 2650 Edegem, Antwerp, Belgium.
| | - Sigrid Stroobants
- Molecular Imaging Center Antwerp (MICA), University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Antwerp, Belgium; Department of Nuclear Medicine, University Hospital Antwerp, Wilrijkstraat 10, 2650 Edegem, Antwerp, Belgium.
| | - Steven Staelens
- Molecular Imaging Center Antwerp (MICA), University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Antwerp, Belgium.
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Comorbidity Between Attention Deficit/Hyperactivity Disorder and Obsessive-Compulsive Disorder Across the Lifespan: A Systematic and Critical Review. Harv Rev Psychiatry 2015; 23:245-62. [PMID: 26052877 PMCID: PMC4495876 DOI: 10.1097/hrp.0000000000000050] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The concept of comorbidity between attention deficit/hyperactivity disorder (ADHD) and obsessive-compulsive disorder (OCD) has been discussed for two decades. No review, however, has examined this question in light of the stark contrast in disorder-specific phenomenology and neurobiology. We review reported prevalence rates and the methodological, phenomenological, and theoretical issues concerning concomitant ADHD-OCD. Reported co-occurrence rates are highly inconsistent in the literature. Studies aimed at examining the potential for comorbidity have suffered from various methodological problems, including the existence of very few community samples, highly variable exclusionary criteria, and possible clinical misinterpretation of symptoms. Despite numerous studies suggesting an ADHD-OCD comorbidity, thus far etiological (i.e., genetic) backing has been provided only for a pediatric comorbidity. Additionally, inflated rates of ADHD-OCD co-occurrence may be mediated by the presence of tic disorders, and evidence of impaired neuronal maturational processes in pediatric OCD may lead to possibly transient phenotypical expressions that resemble ADHD symptomatology. Thus, clinicians are encouraged to consider the possibility that ADHD-like symptoms resulting from OCD-specific symptomatology may be misdiagnosed as ADHD. This suggestion may account for the lower co-occurrence rates reported in adolescents and adults and for the lack of a theoretical account for comorbidity in these age groups. Existing literature is summarized and critically reviewed, and recommendations are made for future research.
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Serata D, Kotzalidis GD, Rapinesi C, Janiri D, Di Pietro S, Callovini G, Piacentino D, Gasperoni C, Brugnoli R, Ferri VR, Girardi N, Tatarelli R, Ferracuti S, Angeletti G, Girardi P, Del Casale A. Are 5-HT3 antagonists effective in obsessive-compulsive disorder? A systematic review of literature. Hum Psychopharmacol 2015; 30:70-84. [PMID: 25676060 DOI: 10.1002/hup.2461] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2014] [Revised: 11/25/2014] [Accepted: 12/12/2014] [Indexed: 12/18/2022]
Abstract
OBJECTIVE The purpose of this literature database search-based review was to critically consider and evaluate the findings of literature focusing on efficacy and safety of 5-HT3 antagonists in the treatment of obsessive-compulsive disorder (OCD), so as to test whether preclinical data match clinical therapeutic trials. DESIGN The PubMed database has been searched for papers on 5-HT3 antagonists and OCD in humans and for animal models of OCD and 5-HT3 receptors. RESULTS Of the clinically tested 5-HT3 receptor antagonists, ondansetron has been used to treat OCD in five therapeutic studies, whereas granisetron only in one recent trial. Both showed some efficacy in open studies and superiority to placebo in double-blind studies, along with fair safety. No animal OCD model directly implicated 5-HT3 receptors. CONCLUSIONS Overall, results indicate some utility, but the available literature is too scanty to allow for valid conclusions to be drawn. The mismatch between animal models of obsessive-compulsive disorder and clinical data with 5-HT3 antagonists needs more clinical data to ensure that it is not an artefact.
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Affiliation(s)
- Daniele Serata
- Neurosciences, Mental Health, and Sensory Organs (NeSMOS) Department, School of Medicine and Psychology, Sapienza University of Rome, UOC Psychiatry, Sant'Andrea Hospital, Roma, Italy; Department of Neuropsychiatry, Villa Rosa Suore Ospedaliere of the Sacred Heart of Jesus, Viterbo, Italy
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Tucci MC, Dvorkin-Gheva A, Graham D, Amodeo S, Cheon P, Kirk A, Peel J, Taji L, Szechtman H. Effects of the serotonergic agonist mCPP on male rats in the quinpirole sensitization model of obsessive-compulsive disorder (OCD). Psychopharmacology (Berl) 2013; 227:277-85. [PMID: 23354534 DOI: 10.1007/s00213-013-2976-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2012] [Accepted: 12/16/2012] [Indexed: 02/07/2023]
Abstract
RATIONALE The serotonergic agonist, meta-chlorophenylpiperazine (mCPP), produces inconsistent effects on obsessive-compulsive disorder (OCD) symptoms, perhaps because clinical studies have not utilized a homogenous OCD subgroup of patients. OBJECTIVES This study aimed to evaluate mCPP effects on functional components of compulsive checking, using the quinpirole sensitization rat model of OCD. METHODS In study 1, the effects of mCPP were evaluated in quinpirole rats with compulsive checking. Two experimental groups were co-injected with quinpirole (0.125 mg/kg) and mCPP (0.625 or 1.25 mg/kg), while one control group was co-injected with quinpirole (0.125 mg/kg) and saline and the other control group received co-injections of saline. In study 2, mCPP (0, 0.3125, 0.625, and 1.25 mg/kg) was administered repeatedly to naïve rats and induction of compulsive checking evaluated. RESULTS mCPP significantly attenuated quinpirole-induced compulsive checking behavior by reducing vigor of checking (indexed by frequency of checking and length of check) and increasing rest after a bout of checking (indexed by time to the next checking bout), but it did not affect focus on the task of checking (indexed by recurrence time of checking and number of stops before returning to check). In naïve rats, mCPP did not induce compulsive behavior, but the highest dose reduced vigor of checking performance compared to saline controls. CONCLUSIONS mCPP did not exacerbate or induce compulsive checking behavior. Instead, it ameliorated compulsive checking by reducing vigor of checking and increasing post-checking satiety, without affecting focus on checking. Ameliorative effects of mCPP may involve 5HT2A/2C receptors in substantia nigra pars reticulata that inhibit expression of motor vigor.
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Affiliation(s)
- Mark C Tucci
- Department of Psychiatry and Behavioural Neurosciences, Faculty of Health Sciences, McMaster University, 1200 Main Street West, Hamilton, ON L8N 3Z5, Canada
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Weiss S, Yaski O, Eilam D, Portugali J, Blumenfeld-Lieberthal E. Network analysis of rat spatial cognition: behaviorally-established symmetry in a physically asymmetrical environment. PLoS One 2012; 7:e40760. [PMID: 22815808 PMCID: PMC3399894 DOI: 10.1371/journal.pone.0040760] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2012] [Accepted: 06/12/2012] [Indexed: 11/18/2022] Open
Abstract
Background We set out to solve two inherent problems in the study of animal spatial cognition (i) What is a “place”?; and (ii) whether behaviors that are not revealed as differing by one methodology could be revealed as different when analyzed using a different approach. Methodology We applied network analysis to scrutinize spatial behavior of rats tested in either a symmetrical or asymmetrical layout of 4, 8, or 12 objects placed along the perimeter of a round arena. We considered locations as the units of the network (nodes), and passes between locations as the links within the network. Principal Findings While there were only minor activity differences between rats tested in the symmetrical or asymmetrical object layouts, network analysis revealed substantial differences. Viewing ‘location’ as a cluster of stopping coordinates, the key locations (large clusters of stopping coordinates) were at the objects in both layouts with 4 objects. However, in the asymmetrical layout with 4 objects, additional key locations were spaced by the rats between the objects, forming symmetry among the key locations. It was as if the rats had behaviorally imposed symmetry on the physically asymmetrical environment. Based on a previous finding that wayfinding is easier in symmetrical environments, we suggest that when the physical attributes of the environment were not symmetrical, the rats established a symmetric layout of key locations, thereby acquiring a more legible environment despite its complex physical structure. Conclusions and Significance The present study adds a behavioral definition for “location”, a term that so far has been mostly discussed according to its physical attributes or neurobiological correlates (e.g. - place and grid neurons). Moreover, network analysis enabled the assessment of the importance of a location, even when that location did not display any distinctive physical properties.
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Affiliation(s)
- Shahaf Weiss
- Department of Zoology, George Wise Faculty of Life Sciences, Tel Aviv University, Tel-Aviv, Israel
| | - Osnat Yaski
- Department of Zoology, George Wise Faculty of Life Sciences, Tel Aviv University, Tel-Aviv, Israel
| | - David Eilam
- Department of Zoology, George Wise Faculty of Life Sciences, Tel Aviv University, Tel-Aviv, Israel
- Department of OTANES, University of South Africa, Pretoria, South Africa
- * E-mail:
| | - Juval Portugali
- Department of Geography and the Human Environment, The Lester and Sally Entin, Faculty of the Humanities, Tel Aviv University, Tel-Aviv, Israel
| | - Efrat Blumenfeld-Lieberthal
- The David Azrieli School of Architecture, Yolanda and David Katz Faculty of the Arts, Tel Aviv University, Tel-Aviv, Israel
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Albelda N, Joel D. Current animal models of obsessive compulsive disorder: an update. Neuroscience 2012; 211:83-106. [PMID: 21925243 DOI: 10.1016/j.neuroscience.2011.08.070] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2011] [Revised: 08/29/2011] [Accepted: 08/31/2011] [Indexed: 12/30/2022]
Affiliation(s)
- N Albelda
- Department of Psychology, Tel Aviv University, Ramat-Aviv, Tel Aviv 69978, Israel
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de Haas R, Nijdam A, Westra TA, Kas MJH, Westenberg HGM. Behavioral pattern analysis and dopamine release in quinpirole-induced repetitive behavior in rats. J Psychopharmacol 2011; 25:1712-9. [PMID: 21148023 DOI: 10.1177/0269881110389093] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Obsessive-compulsive disorder (OCD) is a chronic and disabling psychiatric disease with a lifetime prevalence of 2-3%. People with OCD suffer from intrusive, unwanted and recurrent thoughts (obsessions) and/or repetitive ritualistic behaviors (compulsions). The aim of this study is to quantify the dimensions of ritualistic 'compulsive-like' behavior in quinpirole-induced behavior in rats by using T-pattern behavioral analysis. In addition, we investigated whether the behavioral effects elicited by quinpirole sensitization remained after 2 weeks of cessation of treatment. Finally, to study the neurobiological underpinnings of this 'compulsive-like' behavior, we investigated the effect of quinpirole treatment on the extracellular dopamine levels in the nucleus accumbens. Once established, 'compulsive-like' behavior is dependent upon quinpirole administration, as this behavior rapidly normalized after cessation of treatment. After a single dose of quinpirole the dopamine level decreased more in saline pre-treated animals as compared with animals given quinpirole treatment continuously. Furthermore, T-pattern analysis revealed that quinpirole-induced behavior consists, unlike OCD rituals, of a smaller behavioral repertoire. As seen in patients with OCD, quinpirole-treated animals performed these behaviors with a high rate of repetition. These findings suggest that quinpirole-induced behavior mimics only part of the compulsive behavior as shown in OCD patients.
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Affiliation(s)
- Ria de Haas
- Department of Psychiatry, UMC Utrecht, Rudolf Magnus Institute of Neuroscience, Utrecht, The Netherlands.
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Quinpirole-induced sensitization to noisy/sparse periodic input: temporal synchronization as a component of obsessive-compulsive disorder. Neuroscience 2011; 179:143-50. [DOI: 10.1016/j.neuroscience.2011.01.048] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2010] [Revised: 01/19/2011] [Accepted: 01/22/2011] [Indexed: 11/22/2022]
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Spatial behavior: the impact of global and local geometry. Anim Cogn 2010; 14:341-50. [DOI: 10.1007/s10071-010-0368-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2010] [Revised: 12/04/2010] [Accepted: 12/06/2010] [Indexed: 10/18/2022]
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Dvorkin A, Silva C, McMurran T, Bisnaire L, Foster J, Szechtman H. Features of compulsive checking behavior mediated by nucleus accumbens and orbital frontal cortex. Eur J Neurosci 2010; 32:1552-63. [DOI: 10.1111/j.1460-9568.2010.07398.x] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Berlin HA, Hamilton H, Hollander E. Experimental therapeutics for refractory obsessive-compulsive disorder: translational approaches and new somatic developments. ACTA ACUST UNITED AC 2008; 75:174-203. [DOI: 10.1002/msj.20045] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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23
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Reksidler AB, Lima MMS, Dombrowski P, Andersen ML, Zanata SM, Andreatini R, Tufik S, Vital MABF. Repeated intranigral MPTP administration: A new protocol of prolonged locomotor impairment mimicking Parkinson's disease. J Neurosci Methods 2008; 167:268-77. [DOI: 10.1016/j.jneumeth.2007.08.024] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2007] [Revised: 08/06/2007] [Accepted: 08/23/2007] [Indexed: 11/26/2022]
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