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Topoisomerase IIIβ Deficiency Induces Neuro-Behavioral Changes and Brain Connectivity Alterations in Mice. Int J Mol Sci 2021; 22:ijms222312806. [PMID: 34884616 PMCID: PMC8657541 DOI: 10.3390/ijms222312806] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 11/19/2021] [Accepted: 11/24/2021] [Indexed: 11/17/2022] Open
Abstract
Topoisomerase IIIβ (Top3β), the only dual-activity topoisomerase in mammals that can change topology of both DNA and RNA, is known to be associated with neurodevelopment and mental dysfunction in humans. However, there is no report showing clear associations of Top3β with neuropsychiatric phenotypes in mice. Here, we investigated the effect of Top3β on neuro-behavior using newly generated Top3β deficient (Top3β-/-) mice. We found that Top3β-/- mice showed decreased anxiety and depression-like behaviors. The lack of Top3β was also associated with changes in circadian rhythm. In addition, a clear expression of Top3β was demonstrated in the central nervous system of mice. Positron emission tomography/computed tomography (PET/CT) analysis revealed significantly altered connectivity between many brain regions in Top3β-/- mice, including the connectivity between the olfactory bulb and the cerebellum, the connectivity between the amygdala and the olfactory bulb, and the connectivity between the globus pallidus and the optic nerve. These connectivity alterations in brain regions are known to be linked to neurodevelopmental as well as psychiatric and behavioral disorders in humans. Therefore, we conclude that Top3β is essential for normal brain function and behavior in mice and that Top3β could be an interesting target to study neuropsychiatric disorders in humans.
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Walker WH, Walton JC, Nelson RJ. Disrupted circadian rhythms and mental health. HANDBOOK OF CLINICAL NEUROLOGY 2021; 179:259-270. [PMID: 34225967 DOI: 10.1016/b978-0-12-819975-6.00016-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
During the evolution of life, the temporal rhythm of our rotating planet was internalized in the form of circadian rhythms. Circadian rhythms are ~24h internal manifestations that drive daily patterns of physiology and behavior. These rhythms are entrained (synchronized) to the external environment, primarily by the light-dark cycle, and precisely controlled via molecular clocks located within the suprachiasmatic nucleus of the hypothalamus. Misalignment and/or disruption of circadian rhythms can have detrimental consequences for human health. Indeed, studies suggest strong associations between mental health and circadian rhythms. However, direct interactions between mood regulation and the circadian system are just beginning to be uncovered and appreciated. This chapter examines the relationship between disruption of circadian rhythms and mental health. The primary focus will be outlining the association between circadian disruption, in the form of night shift work, exposure to light at night, jet lag, and social jet lag, and psychiatric illness (i.e., anxiety, major depressive disorder, bipolar disorder, and schizophrenia). Additionally, we review animal models of disrupted circadian rhythms, which provide further evidence in support of a strong association between circadian disruption and affective responses. Finally, we discuss future directions for the field and suggest areas of study that require further investigation.
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Affiliation(s)
- William H Walker
- Department of Neuroscience, Rockefeller Neuroscience Institute, West Virginia University, Morgantown, WV, United States.
| | - James C Walton
- Department of Neuroscience, Rockefeller Neuroscience Institute, West Virginia University, Morgantown, WV, United States
| | - Randy J Nelson
- Department of Neuroscience, Rockefeller Neuroscience Institute, West Virginia University, Morgantown, WV, United States
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Hühne A, Volkmann P, Stephan M, Rossner M, Landgraf D. An in-depth neurobehavioral characterization shows anxiety-like traits, impaired habituation behavior, and restlessness in male Cryptochrome-deficient mice. GENES, BRAIN, AND BEHAVIOR 2020; 19:e12661. [PMID: 32348614 DOI: 10.1111/gbb.12661] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Revised: 04/23/2020] [Accepted: 04/23/2020] [Indexed: 12/21/2022]
Abstract
Many psychiatric disorders, for example, anxiety, are accompanied by disturbances of circadian rhythms, including disturbed sleep/wake cycles, changes in locomotor activity, and abnormal endocrine function. Conversely, alternations of circadian rhythms are a risk factor for the development of psychiatric disorders. This assumption is supported by animals with clock gene mutations which often display behaviors that resemble human psychiatric disorders. In this study, we performed an in-depth behavioral analysis with male mice lacking the central clock genes Cryptochrome 1 and 2 (Cry1/2-/- ), which are thus unable to express endogenous circadian rhythms. With wild-type and Cry1/2-/- mice, we performed an extensive behavioral analysis to study their cognitive abilities, social behavior, and their expression of depression-like and anxiety-like behavior. While Cry1/2-/- mice showed only mild abnormalities at cognitive and social behavioral levels, they were consistently more anxious than wildtype mice. Anxiety-like behavior was particularly evident in reduced mobility in new environments, altered ability to habituate, compensatory behavior, and consistent restless behavior across many behavioral tests. In line with their anxiety-like behavioral phenotype, Cry1/2-/- mice have higher c-Fos activity in the amygdala after exposure to an anxiogenic stressor than wild-type mice. In our study, we identified Cry1/2-/- mice as animals that qualify as a translational mouse model for anxiety disorder in humans because of its consistent behavior of restlessness, increased immobility, and dysfunctional habituation in new environments.
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Affiliation(s)
- Anisja Hühne
- Circadian Biology Group, Department of Molecular Neurobiology, Clinic of Psychiatry and Psychotherapy, Ludwig Maximilian University, Munich, Germany
- Munich Medical Research School, Ludwig Maximilian University, Munich, Germany
| | - Paul Volkmann
- Department of Molecular Neurobiology, Clinic of Psychiatry and Psychotherapy, Ludwig Maximilian University, Munich, Germany
| | - Marius Stephan
- Department of Molecular Neurobiology, Clinic of Psychiatry and Psychotherapy, Ludwig Maximilian University, Munich, Germany
- International Max Planck Research School for Translational Psychiatry (IMPRS-TP), Munich, Germany
| | - Moritz Rossner
- Department of Molecular Neurobiology, Clinic of Psychiatry and Psychotherapy, Ludwig Maximilian University, Munich, Germany
| | - Dominic Landgraf
- Circadian Biology Group, Department of Molecular Neurobiology, Clinic of Psychiatry and Psychotherapy, Ludwig Maximilian University, Munich, Germany
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Slope climbing challenges, fear of heights, anxiety and time of the day. Behav Brain Res 2016; 316:169-182. [PMID: 27609646 DOI: 10.1016/j.bbr.2016.09.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2016] [Revised: 08/31/2016] [Accepted: 09/03/2016] [Indexed: 11/22/2022]
Abstract
When exposed to an unfamiliar open space, animals experience fear and attempt to find an escape route. Anxiety emerges when animals are confronted with a challenging obstacle to this fear motivated escape. High anxiety animals do not take risks; they avoid the challenge. The present experiments investigated this risk avoidant behavior in mice. In experiment 1, BALB/c, C57BL/6J and CD-1 mice were exposed to a large platform with downward inclined steep slopes attached on two opposite sides. The platform was elevated 75 and 100cm from the ground, in a standard (SPDS) and in a raised (RPDS) configuration, respectively. In experiment 2, the platform was elevated 75cm from the ground. Mice had to climb onto a stand at the top of upward inclined slopes (SPUS). In experiment 3, BALB/c mice were exposed to SPDS with steep or shallow slopes either in early morning or in late afternoon. In all 3 test configurations, mice spent more time in the areas adjacent to the slopes than in the areas adjacent to void, however only C57BL/6J and CD-1 crossed onto the slopes in SPDS, and crossed onto the stands in SPUS whereas BALB/c remained on the platform in SPDS and explored the slopes in SPUS. Elevation of the platform from the ground reduced the crossings onto the slopes in C57BL/6J and CD-1, and no differences were observed between BALB/c and C57BL/6J. BALB/c mice demonstrated no difference in anxiety when tested early morning or late afternoon; they crossed onto shallow slopes and avoided the steep one.
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Borrow AP, Stranahan AM, Suchecki D, Yunes R. Neuroendocrine Regulation of Anxiety: Beyond the Hypothalamic-Pituitary-Adrenal Axis. J Neuroendocrinol 2016; 28. [PMID: 27318180 DOI: 10.1111/jne.12403] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2015] [Revised: 05/20/2016] [Accepted: 06/17/2016] [Indexed: 02/06/2023]
Abstract
The central nervous system regulates and responds to endocrine signals, and this reciprocal relationship determines emotional processing and behavioural anxiety. Although the hypothalamic-pituitary-adrenal (HPA) axis remains the best-characterised system for this relationship, other steroid and peptide hormones are increasingly recognised for their effects on anxiety-like behaviour and reward. The present review examines recent developments related to the role of a number of different hormones in anxiety, including pregnane neurosteroids, gut peptides, neuropeptides and hormonal signals derived from fatty acids. Findings from both basic and clinical studies suggest that these alternative systems may complement or occlude stress-induced changes in anxiety and anxiety-like behaviour. By broadening the scope of mechanisms for depression and anxiety, it may be possible to develop novel strategies to attenuate stress-related psychiatric conditions. The targets for these potential therapies, as discussed in this review, encompass multiple circuits and systems, including those outside of the HPA axis.
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Affiliation(s)
- A P Borrow
- Department of Biomedical Sciences, Colorado State University, Fort Collins, CO, USA
| | - A M Stranahan
- Department of Neuroscience and Regenerative Medicine, Medical College of Georgia, Georgia Regents University, Augusta, GA, USA
| | - D Suchecki
- Department of Psychobiology, Universidade Federal de São Paulo, São Paulo, Brazil
| | - R Yunes
- Instituto de Investigaciones Biomédicas, Facultad de Ciencias de la Salud, Universidad de Mendoza, Mendoza, Argentina
- Área de Farmacología, Facultad de Ciencias Médicas, Universidad Nacional de Cuyo, Mendoza, Argentina
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Carlier IVE, Kovács V, van Noorden MS, van der Feltz-Cornelis C, Mooij N, Schulte-van Maaren YWM, van Hemert AM, Zitman FG, Giltay EJ. Evaluating the Responsiveness to Therapeutic Change with Routine Outcome Monitoring: A Comparison of the Symptom Questionnaire-48 (SQ-48) with the Brief Symptom Inventory (BSI) and the Outcome Questionnaire-45 (OQ-45). Clin Psychol Psychother 2015; 24:61-71. [PMID: 26450457 DOI: 10.1002/cpp.1978] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2015] [Revised: 07/01/2015] [Accepted: 08/19/2015] [Indexed: 11/11/2022]
Abstract
Assessment of psychological distress is important, because it may help to monitor treatment effects and predict treatment outcomes. We previously developed the 48-item Symptom Questionnaire (SQ-48) as a public domain self-report psychological distress instrument and showed good internal consistency as well as good convergent and divergent validity among clinical and non-clinical samples. The present study, conducted among psychiatric outpatients in a routine clinical setting, describes additional psychometric properties of the SQ-48. The primary focus is on responsiveness to therapeutic change, which to date has been rarely examined within psychiatry or clinical psychology. Since a questionnaire should also be stable when no clinically important change occurs, we also examined test-retest reliability within a test-retest design before treatment (n = 43). A pre-treatment/post-treatment design was used for responsiveness to therapeutic change, comparing the SQ-48 with two internationally widely used instruments: the Brief Symptom Inventory (n = 97) and the Outcome Questionnaire-45 (n = 109). The results showed that the SQ-48 has excellent test-retest reliability and good responsiveness to therapeutic change, without significant differences between the questionnaires in terms of responsiveness. In sum, the SQ-48 is a psychometrically sound public domain self-report instrument that can be used for routine outcome monitoring, as a benchmark tool or for research purposes. Copyright © 2015 John Wiley & Sons, Ltd. Key Practitioner Message The SQ-48 is developed as a public domain self-report questionnaire, in line with growing efforts to develop clinical instruments that are free of charge. The SQ-48 has excellent test-retest reliability and good responsiveness to therapeutic change or patient progress. There were no significant differences in terms of responsiveness between the SQ-48 and BSI or OQ-45. The SQ-48 can be used as a routine evaluation outcome measure for quality assurance in clinical practice. Providing feedback on patient progress via outcome measures could contribute to the enhancement of treatment outcomes.
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Affiliation(s)
- Ingrid V E Carlier
- Department of Psychiatry, Leiden University Medical Centre, Leiden, The Netherlands
| | - Viktória Kovács
- Department of Psychiatry, Leiden University Medical Centre, Leiden, The Netherlands
| | | | - Christina van der Feltz-Cornelis
- Clinical Centre for Body, Mind and Health, GGZ Breburg, Tilburg, The Netherlands.,Tranzo Department, Tilburg University, Tilburg, The Netherlands
| | - Nanda Mooij
- Psychiatric Institute, GGZ inGeest, Amsterdam, The Netherlands
| | | | - Albert M van Hemert
- Department of Psychiatry, Leiden University Medical Centre, Leiden, The Netherlands
| | - Frans G Zitman
- Department of Psychiatry, Leiden University Medical Centre, Leiden, The Netherlands
| | - Erik J Giltay
- Department of Psychiatry, Leiden University Medical Centre, Leiden, The Netherlands
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Li Y, Ma W, Kang Q, Qiao L, Tang D, Qiu J, Zhang Q, Li H. Night or darkness, which intensifies the feeling of fear? Int J Psychophysiol 2015; 97:46-57. [DOI: 10.1016/j.ijpsycho.2015.04.021] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2014] [Revised: 04/25/2015] [Accepted: 04/27/2015] [Indexed: 11/30/2022]
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The GABA-synthetic enzyme GAD65 controls circadian activation of conditioned fear pathways. Behav Brain Res 2014; 260:92-100. [DOI: 10.1016/j.bbr.2013.11.042] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2013] [Revised: 11/19/2013] [Accepted: 11/25/2013] [Indexed: 11/21/2022]
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Nota JA, Gibb BE, Coles ME. Obsessions and Time of Day: A Self-Monitoring Study in Individuals With Obsessive-Compulsive Disorder. J Cogn Psychother 2014; 28:134-144. [PMID: 32759112 DOI: 10.1891/0889-8391.28.2.134] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Deepening our understanding of the basic mechanisms underlying obsessive-compulsive disorder (OCD) often leads to advances in clinical practice. And, as noted by Kazdin (2008), clinical experiences are an important resource for identifying novel targets for empirical study. One potential target for furthering our understanding of OCD is to investigate clinical reports of within-day symptom fluctuations. Self-monitoring data from 17 adults with OCD were used to test for a diurnal pattern in obsessions. Results from generalized estimating equations revealed that obsessions were most common during midday and that the midday exacerbation was briefer in males. In combination with prior findings of similar diurnal patterns for other anxious symptoms (e.g., panic), these findings suggest that daily social rhythms and/or circadian influences may influence levels of obsessions. Furthermore, treatment may be improved by attending to these heightened symptom periods and integrating this information into therapy (e.g., when developing the exposure hierarchy).
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Albrecht A, Thiere M, Bergado-Acosta JR, Poranzke J, Müller B, Stork O. Circadian modulation of anxiety: a role for somatostatin in the amygdala. PLoS One 2013; 8:e84668. [PMID: 24376834 PMCID: PMC3869835 DOI: 10.1371/journal.pone.0084668] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2013] [Accepted: 11/18/2013] [Indexed: 12/30/2022] Open
Abstract
Pharmacological evidence suggests that the neuropeptide somatostatin (SST) exerts anxiolytic action via the amygdala, but findings concerning the putative role of endogenous SST in the regulation of emotional responses are contradictory. We hypothesized that an endogenous regulation of SST expression over the course of the day may determine its function and tested both SST gene expression and the behavior of SST knock out (SST-/-) mice in different aversive tests in relation to circadian rhythm. In an open field and a light/dark avoidance test, SST-/- mice showed significant hyperactivity and anxiety-like behavior during the second, but not during the first half of the active phase, failing to show the circadian modulation of behavior that was evident in their wild type littermates. Behavioral differences occurred independently of changes of intrinsically motivated activity in the home cage. A circadian regulation of SST mRNA and protein expression that was evident in the basolateral complex of the amygdala of wild type mice may provide a neuronal substrate for the observed behavior. However, fear memory towards auditory cue or the conditioning context displayed neither a time- nor genotype-dependent modulation. Together this indicates that SST, in a circadian manner and putatively via its regulation of expression in the amygdala, modulates behavior responding to mildly aversive conditions in mice.
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Affiliation(s)
- Anne Albrecht
- Department of Genetics & Molecular Neurobiology, Institute of Biology, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
- * E-mail:
| | - Marlen Thiere
- Department of Genetics & Molecular Neurobiology, Institute of Biology, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Jorge Ricardo Bergado-Acosta
- Department of Genetics & Molecular Neurobiology, Institute of Biology, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Janine Poranzke
- Department of Genetics & Molecular Neurobiology, Institute of Biology, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Bettina Müller
- Department of Genetics & Molecular Neurobiology, Institute of Biology, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
- Center for Behavioural Brain Science, Magdeburg, Germany
| | - Oliver Stork
- Department of Genetics & Molecular Neurobiology, Institute of Biology, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
- Center for Behavioural Brain Science, Magdeburg, Germany
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Geraci MF, Uhde TW. Diurnal rhythms and symptom severity in panic disorder. A preliminary study of 24-hour changes in panic attacks, generalised anxiety, and avoidance behaviour. Br J Psychiatry 1992; 161:512-6. [PMID: 1393338 DOI: 10.1192/bjp.161.4.512] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Diurnal changes in the frequency of panic attacks and symptoms of generalised anxiety, phobic anxiety and phobic avoidance in 34 panic-disorder patients and 40 normal controls were evaluated. The panic-disorder patients had significant diurnal changes in generalised and phobic anxiety, but not phobic avoidance. Increased severity of symptoms and prominent diurnal changes were most evident in the panic-disorder patients with a history of depression. Although panic attacks were distributed throughout the 24-hour period, patients with a current episode or history of depression tended to have more frequent panic attacks in the morning or early afternoon. These observations challenge the traditional belief that 'anxious neurotic' patients are relatively asymptomatic upon awakening in the morning and then develop more severe symptoms of anxiety later in the day.
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Affiliation(s)
- M F Geraci
- Clinical Center Nursing Department, National Institutes of Health, Bethesda, Maryland
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Abstract
The ongoing experience of panic disorder was assessed in 20 female subjects, to determine psychological precursors to panic attacks. Measures of anxiety, threat, control, prediction of panic, and symptoms were assessed at hourly intervals during waking hours for one week. Measures were taken using a portable computerised diary which prompted for and stored responses. Patients' ratings of the prediction of panic attacks were the only significant precursors to panic attacks. This supports recent research that expectancy is important in panic onset. The data also suggested that anxiety levels follow a circadian pattern.
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Affiliation(s)
- J Kenardy
- Department of Psychology, University of Newcastle, New South Wales, Australia
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The Circular Mood Scale: A new technique of measuring ambulatory mood. JOURNAL OF PSYCHOPATHOLOGY AND BEHAVIORAL ASSESSMENT 1989. [DOI: 10.1007/bf00960477] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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