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Xue Z, Ling X, Zhao X, Geng L. Neural Mechanisms of Nonauditory Effects of Noise Exposure on Special Populations. Noise Health 2024; 26:70-81. [PMID: 38904804 DOI: 10.4103/nah.nah_78_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Indexed: 06/22/2024] Open
Abstract
Due to the abnormal structure and function of brain neural networks in special populations, such as children, elderly individuals, and individuals with mental disorders, noise exposure is more likely to have negative psychological and cognitive nonauditory effects on these individuals. There are unique and complex neural mechanisms underlying this phenomenon. For individuals with mental disorders, there are anomalies such as structural atrophy and decreased functional activation in brain regions involved in emotion and cognitive processing, such as the prefrontal cortex (PFC). Noise exposure can worsen these abnormalities in relevant brain regions, further damaging neural plasticity and disrupting normal connections and the transmission of information between the PFC and other brain areas by causing neurotransmitter imbalances. In the case of children, in a noisy environment, brain regions such as the left inferior frontal gyrus and PFC, which are involved in growth and development, are more susceptible to structural and functional changes, leading to neurodegenerative alterations. Furthermore, noise exposure can interrupt auditory processing neural pathways or impair inhibitory functions, thus hindering children's ability to map sound to meaning in neural processes. For elderly people, age-related shrinkage of brain regions such as the PFC, as well as deficiencies in hormone, neurotransmitter, and nutrient levels, weakens their ability to cope with noise. Currently, it is feasible to propose and apply coping strategies to improve the nonauditory effects of noise exposure on special populations based on the plasticity of the human brain.
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Affiliation(s)
- Zixuan Xue
- School of Chinese Language and Literature, Shaanxi Normal University, Xi'an, 710119, China
| | - Xinran Ling
- School of Linguistic Sciences and Arts, Jiangsu Normal University, Xuzhou, 221009, China
- Jiangsu Collaborative Innovation Center for Language Ability, Jiangsu Normal University, Xuzhou, 221009, China
| | - Xinru Zhao
- School of Information Science and Engineering, Shandong Agriculture and Engineering University, Zibo, 255314, China
| | - Libo Geng
- School of Linguistic Sciences and Arts, Jiangsu Normal University, Xuzhou, 221009, China
- Jiangsu Collaborative Innovation Center for Language Ability, Jiangsu Normal University, Xuzhou, 221009, China
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2
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Hirai S, Sakuma A, Kunii Y, Shimbo H, Hino M, Izumi R, Nagaoka A, Yabe H, Kojima R, Seki E, Arai N, Komori T, Okado H. Disease specific brain capillary angiopathy in schizophrenia, bipolar disorder, and Alzheimer's disease. J Psychiatr Res 2023; 163:74-79. [PMID: 37207434 DOI: 10.1016/j.jpsychires.2023.04.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 03/26/2023] [Accepted: 04/08/2023] [Indexed: 05/21/2023]
Abstract
Schizophrenia (SZ) and bipolar disorder (BD), which are both psychiatric disorders, share some common clinical evidence. We recently discovered that brain capillary angiopathy is another common feature of these psychiatric disorders using fibrin accumulation in vascular endothelial cells as an indicator. This study aimed to characterize the similarities and differences in cerebral capillary injuries in various brain diseases to provide new diagnostic methods for SZ and BD and to develop new therapeutic strategies. We evaluated whether discrepancies exist in the degree of vascular damage among SZ and BD and other brain disorders (amyotrophic lateral sclerosis (ALS), Parkinson's disease (PD), and Alzheimer's disease (AD)) using postmortem brains. Our results demonstrate that fibrin was strongly accumulated in the capillaries of the grey matter (GM) of brains of patients with SZ and AD and in the capillaries of the white matter (WM) in those of patients with SZ, BD, and AD when compared with control subjects without any psychiatric or neurological disease history. However, ALS and PD brains did not present a significant increase in the amount of accumulated fibrin, either in the capillaries of WM or GM. Furthermore, significant leakage of fibrin into the brain parenchyma, indicating a vascular physical disruption, was observed in the brains of patients with AD but not in the brains of other patients compared with control subjects. In conclusion, our work reveals that Fibrin-accumulation in the brain capillaries are observed in psychiatric disorders, such as SZ, BD, and AD. Furthermore, fibrin-accumulating, nonbreaking type angiopathy is characteristic of SZ and BD, even though there are regional differences between these diseases.
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Affiliation(s)
- Shinobu Hirai
- Brain Metabolic Regulation Group, Frontier Laboratory, Department of Psychiatry and Behavioral Sciences, Tokyo Metropolitan Institute of Medical Science, Tokyo, 156-8506, Japan.
| | - Atsuhiro Sakuma
- Brain Metabolic Regulation Group, Frontier Laboratory, Department of Psychiatry and Behavioral Sciences, Tokyo Metropolitan Institute of Medical Science, Tokyo, 156-8506, Japan
| | - Yasuto Kunii
- Department of Neuropsychiatry, School of Medicine, Fukushima Medical University, Fukushima, 960-1295, Japan; Department of Disaster Psychiatry, International Research Institute of Disaster Science, Tohoku University, Miyagi, 980-8573, Japan
| | - Hiroko Shimbo
- Brain Metabolic Regulation Group, Frontier Laboratory, Department of Psychiatry and Behavioral Sciences, Tokyo Metropolitan Institute of Medical Science, Tokyo, 156-8506, Japan; Sleep Disorders Project, Department of Psychiatry and Behavioral Sciences, Tokyo Metropolitan Institute of Medical Science, Tokyo, 156-8506, Japan
| | - Mizuki Hino
- Department of Neuropsychiatry, School of Medicine, Fukushima Medical University, Fukushima, 960-1295, Japan; Department of Disaster Psychiatry, International Research Institute of Disaster Science, Tohoku University, Miyagi, 980-8573, Japan
| | - Ryuta Izumi
- Department of Neuropsychiatry, School of Medicine, Fukushima Medical University, Fukushima, 960-1295, Japan
| | - Atsuko Nagaoka
- Department of Neuropsychiatry, School of Medicine, Fukushima Medical University, Fukushima, 960-1295, Japan
| | - Hirooki Yabe
- Department of Neuropsychiatry, School of Medicine, Fukushima Medical University, Fukushima, 960-1295, Japan
| | - Rika Kojima
- Laboratory of Neuropathology, Tokyo Metropolitan Institute of Medical Sciences, Tokyo, 156-8506, Japan
| | - Erika Seki
- Laboratory of Neuropathology, Tokyo Metropolitan Institute of Medical Sciences, Tokyo, 156-8506, Japan
| | - Nobutaka Arai
- Laboratory of Neuropathology, Tokyo Metropolitan Institute of Medical Sciences, Tokyo, 156-8506, Japan
| | - Takashi Komori
- Department of Pathology and Laboratory Medicine, Tokyo Metropolitan Neurological Hospital, Tokyo, 183-0042, Japan
| | - Haruo Okado
- Sleep Disorders Project, Department of Psychiatry and Behavioral Sciences, Tokyo Metropolitan Institute of Medical Science, Tokyo, 156-8506, Japan.
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3
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de Bartolomeis A, Barone A, Vellucci L, Mazza B, Austin MC, Iasevoli F, Ciccarelli M. Linking Inflammation, Aberrant Glutamate-Dopamine Interaction, and Post-synaptic Changes: Translational Relevance for Schizophrenia and Antipsychotic Treatment: a Systematic Review. Mol Neurobiol 2022; 59:6460-6501. [PMID: 35963926 PMCID: PMC9463235 DOI: 10.1007/s12035-022-02976-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Accepted: 07/24/2022] [Indexed: 12/16/2022]
Abstract
Evidence from clinical, preclinical, and post-mortem studies supports the inflammatory/immune hypothesis of schizophrenia pathogenesis. Less evident is the link between the inflammatory background and two well-recognized functional and structural findings of schizophrenia pathophysiology: the dopamine-glutamate aberrant interaction and the alteration of dendritic spines architecture, both believed to be the “quantal” elements of cortical-subcortical dysfunctional network. In this systematic review, we tried to capture the major findings linking inflammation, aberrant glutamate-dopamine interaction, and post-synaptic changes under a direct and inverse translational perspective, a paramount picture that at present is lacking. The inflammatory effects on dopaminergic function appear to be bidirectional: the inflammation influences dopamine release, and dopamine acts as a regulator of discrete inflammatory processes involved in schizophrenia such as dysregulated interleukin and kynurenine pathways. Furthermore, the link between inflammation and glutamate is strongly supported by clinical studies aimed at exploring overactive microglia in schizophrenia patients and maternal immune activation models, indicating impaired glutamate regulation and reduced N-methyl-D-aspartate receptor (NMDAR) function. In addition, an inflammatory/immune-induced alteration of post-synaptic density scaffold proteins, crucial for downstream NMDAR signaling and synaptic efficacy, has been demonstrated. According to these findings, a significant increase in plasma inflammatory markers has been found in schizophrenia patients compared to healthy controls, associated with reduced cortical integrity and functional connectivity, relevant to the cognitive deficit of schizophrenia. Finally, the link between altered inflammatory/immune responses raises relevant questions regarding potential new therapeutic strategies specifically for those forms of schizophrenia that are resistant to canonical antipsychotics or unresponsive to clozapine.
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Affiliation(s)
- Andrea de Bartolomeis
- Laboratory of Molecular and Translational Psychiatry, University School of Medicine of Naples Federico II, Naples, Italy. .,Unit of Treatment Resistant Psychosis, Section of Psychiatry, Department of Neuroscience, Reproductive Science and Odontostomatology, University School of Medicine of Naples Federico II, Naples, Italy.
| | - Annarita Barone
- Laboratory of Molecular and Translational Psychiatry, University School of Medicine of Naples Federico II, Naples, Italy.,Unit of Treatment Resistant Psychosis, Section of Psychiatry, Department of Neuroscience, Reproductive Science and Odontostomatology, University School of Medicine of Naples Federico II, Naples, Italy
| | - Licia Vellucci
- Laboratory of Molecular and Translational Psychiatry, University School of Medicine of Naples Federico II, Naples, Italy.,Unit of Treatment Resistant Psychosis, Section of Psychiatry, Department of Neuroscience, Reproductive Science and Odontostomatology, University School of Medicine of Naples Federico II, Naples, Italy
| | - Benedetta Mazza
- Unit of Treatment Resistant Psychosis, Section of Psychiatry, Department of Neuroscience, Reproductive Science and Odontostomatology, University School of Medicine of Naples Federico II, Naples, Italy
| | - Mark C Austin
- Clinical Psychopharmacology Program, College of Pharmacy, Idaho State University (ISU), Pocatello, ID, USA
| | - Felice Iasevoli
- Laboratory of Molecular and Translational Psychiatry, University School of Medicine of Naples Federico II, Naples, Italy.,Unit of Treatment Resistant Psychosis, Section of Psychiatry, Department of Neuroscience, Reproductive Science and Odontostomatology, University School of Medicine of Naples Federico II, Naples, Italy
| | - Mariateresa Ciccarelli
- Laboratory of Molecular and Translational Psychiatry, University School of Medicine of Naples Federico II, Naples, Italy.,Unit of Treatment Resistant Psychosis, Section of Psychiatry, Department of Neuroscience, Reproductive Science and Odontostomatology, University School of Medicine of Naples Federico II, Naples, Italy
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4
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Rurak GM, Simard S, Freitas-Andrade M, Lacoste B, Charih F, Van Geel A, Stead J, Woodside B, Green JR, Coppola G, Salmaso N. Sex differences in developmental patterns of neocortical astroglia: A mouse translatome database. Cell Rep 2022; 38:110310. [PMID: 35108542 DOI: 10.1016/j.celrep.2022.110310] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 11/22/2021] [Accepted: 01/06/2022] [Indexed: 02/08/2023] Open
Abstract
Astroglial cells are key players in the development and maintenance of neurons and neuronal networks. Astroglia express steroid hormone receptors and show rapid responses to hormonal manipulations. However, despite important sex differences in the cortex and hippocampus, few studies have examined sex differences in astroglial cells in telencephalic development. To characterize the cortical astroglial translatome in male and female mice across postnatal development, we use translating ribosome affinity purification together with RNA sequencing and immunohistochemistry to phenotype astroglia at six developmental time points. Overall, we find two distinct astroglial phenotypes between early (P1-P7) and late development (P14-adult), independent of sex. We also find sex differences in gene expression patterns across development that peak at P7 and appear to result from males reaching a mature astroglial phenotype earlier than females. These developmental sex differences could have an impact on the construction of neuronal networks and windows of vulnerability to perturbations and disease.
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Affiliation(s)
- Gareth M Rurak
- Department of Neuroscience, Carleton University, 1125 Colonel By Drive, Ottawa, ON K1S 5B6, Canada
| | - Stephanie Simard
- Department of Neuroscience, Carleton University, 1125 Colonel By Drive, Ottawa, ON K1S 5B6, Canada
| | - Moises Freitas-Andrade
- Neuroscience Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada; Department of Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada; Brain and Mind Research Institute, University of Ottawa, Ottawa, ON, Canada
| | - Baptiste Lacoste
- Neuroscience Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada; Department of Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada; Brain and Mind Research Institute, University of Ottawa, Ottawa, ON, Canada
| | - François Charih
- Department of Systems and Computer Engineering, Carleton University, Ottawa, ON, Canada
| | - Amanda Van Geel
- Department of Neuroscience, Carleton University, 1125 Colonel By Drive, Ottawa, ON K1S 5B6, Canada
| | - John Stead
- Department of Neuroscience, Carleton University, 1125 Colonel By Drive, Ottawa, ON K1S 5B6, Canada
| | - Barbara Woodside
- Department of Neuroscience, Carleton University, 1125 Colonel By Drive, Ottawa, ON K1S 5B6, Canada; Concordia University, Montreal, QC, Canada
| | - James R Green
- Department of Systems and Computer Engineering, Carleton University, Ottawa, ON, Canada
| | - Gianfilippo Coppola
- Department of Pathology, Yale University, 333 Cedar St., New Haven, CT 06511, USA.
| | - Natalina Salmaso
- Department of Neuroscience, Carleton University, 1125 Colonel By Drive, Ottawa, ON K1S 5B6, Canada; Department of Pathology, Yale University, 333 Cedar St., New Haven, CT 06511, USA.
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5
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Beversdorf DQ. Neuropsychopharmacological regulation of performance on creativity-related tasks. Curr Opin Behav Sci 2019; 27:55-63. [PMID: 31106256 PMCID: PMC6519931 DOI: 10.1016/j.cobeha.2018.09.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A number of factors affect performance on tasks associated with creativity. Two pharmacological systems in particularly been identified as important for their impact on creativity, the noradrenergic system and the dopaminergic systems. Furthermore, stress is also established as an important factor impacting performance, most likely mediated by its effects on these neurotransmitter systems. Herein, we review the current literature on the relationships between stress, the noradrenergic system, the dopaminergic system, and other pharmacological factors and their effects on performance on tasks associated with creativity.
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Affiliation(s)
- David Q Beversdorf
- William and Nancy Thompson Endowed Chair in Radiology, University of Missouri
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6
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Wesseling H, Rahmoune H, Tricklebank M, Guest PC, Bahn S. A Targeted Multiplexed Proteomic Investigation Identifies Ketamine-Induced Changes in Immune Markers in Rat Serum and Expression Changes in Protein Kinases/Phosphatases in Rat Brain. J Proteome Res 2014; 14:411-21. [DOI: 10.1021/pr5009493] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Hendrik Wesseling
- Department
of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge CB2 1QT, United Kingdom
| | - Hassan Rahmoune
- Department
of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge CB2 1QT, United Kingdom
| | - Mark Tricklebank
- Ely Lilly
and
Co. Ltd, Erl Wood Manor, Sunninghill
Road, Windelesham, Surrey GU20 6PH, United Kingdom
| | - Paul C. Guest
- Department
of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge CB2 1QT, United Kingdom
| | - Sabine Bahn
- Department
of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge CB2 1QT, United Kingdom
- Department
of Neuroscience, Erasmus Medical Center Rotterdam, 3000 CA, The Netherlands
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7
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Patki G, Solanki N, Atrooz F, Ansari A, Allam F, Jannise B, Maturi J, Salim S. Novel mechanistic insights into treadmill exercise based rescue of social defeat-induced anxiety-like behavior and memory impairment in rats. Physiol Behav 2014; 130:135-44. [PMID: 24732411 DOI: 10.1016/j.physbeh.2014.04.011] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2013] [Revised: 01/17/2014] [Accepted: 04/04/2014] [Indexed: 12/12/2022]
Abstract
Social defeat (SD) induced stress causes physiological and behavioral deficits in rodents, including depression and anxiety-like behaviors, as well as memory impairment. Anxiolytic and mood elevating effects of physical exercise are also known. However, rescue effect of physical exercise in social defeat-induced anxiety, depression or memory impairment has not been addressed. The role of epigenetic mechanisms that potentially contribute to these rescue or protective effects is also not known. The present study investigated the effect of moderate treadmill exercise on anxiety-like behavior and memory function in rats subjected to SD using a modified version of the resident-intruder model for social stress (defeat). Changes in histone acetylation and histone-modifying enzymes were examined in hippocampus, amygdala and frontal cortex which are considered critical for anxiety, depression and cognition. Sprague Dawley rats were randomly assigned in four groups; control, exercised, social defeat, social defeat and exercise. At the end of the SD or control exposure lasting 30 min daily for 7 days, one group of SD rats was subjected to treadmill exercise for 2 weeks, whereas the other SD group was handled without exercise. Anxiety-like behavior tests and radial arm water maze test suggested that moderate treadmill exercise rescued social defeat induced anxiety-like behavior and memory impairment. Moreover, exercise normalized SD-induced increase in oxidative stress, most likely by adjusting antioxidant response. Our data suggests involvement of epigenetic mechanisms including histone acetylation of H3 and modulation of methyl-CpG-binding in the hippocampus that might contribute to the rescue effects of exercise in SD-induced behavioral deficits in rats.
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Affiliation(s)
- Gaurav Patki
- Department of Pharmacological and Pharmaceutical Sciences, University of Houston, TX, USA
| | - Naimesh Solanki
- Department of Pharmacological and Pharmaceutical Sciences, University of Houston, TX, USA
| | - Fatin Atrooz
- Department of Pharmacological and Pharmaceutical Sciences, University of Houston, TX, USA
| | - Amber Ansari
- Department of Pharmacological and Pharmaceutical Sciences, University of Houston, TX, USA
| | - Farida Allam
- Department of Pharmacological and Pharmaceutical Sciences, University of Houston, TX, USA
| | - Brittany Jannise
- Department of Pharmacological and Pharmaceutical Sciences, University of Houston, TX, USA
| | - Jaganmohan Maturi
- Department of Pharmacological and Pharmaceutical Sciences, University of Houston, TX, USA
| | - Samina Salim
- Department of Pharmacological and Pharmaceutical Sciences, University of Houston, TX, USA.
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Fox H, Sinha R. The role of guanfacine as a therapeutic agent to address stress-related pathophysiology in cocaine-dependent individuals. ADVANCES IN PHARMACOLOGY (SAN DIEGO, CALIF.) 2014; 69:217-65. [PMID: 24484979 DOI: 10.1016/b978-0-12-420118-7.00006-8] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
The pathophysiology of cocaine addiction is linked to changes within neural systems and brain regions that are critical mediators of stress system sensitivity and behavioral processes associated with the regulation of adaptive goal-directed behavior. This is characterized by the upregulation of core adrenergic and corticotropin-releasing factor mechanisms that subserve negative affect and anxiety and impinge upon intracellular pathways in the prefrontal cortex underlying cognitive regulation of stress and negative emotional state. Not only are these mechanisms essential to the severity of cocaine withdrawal symptoms, and hence the trajectory of clinical outcome, but also they may be particularly pertinent to the demography of cocaine dependence. The ability of guanfacine to target overlapping stress, reward, and anxiety pathophysiology suggests that it may be a useful agent for attenuating the stress- and cue-induced craving state not only in women but also in men. This is supported by recent research findings from our own laboratory. Additionally, the ability of guanfacine to improve regulatory mechanisms that are key to exerting cognitive and emotional control over drug-seeking behavior also suggests that guanfacine may be an effective medication for reducing craving and relapse vulnerability in many drugs of abuse. As cocaine-dependent individuals are typically polydrug abusers and women may be at a greater disadvantage for compulsive drug use than men, it is plausible that medications that target catecholaminergic frontostriatal inhibitory circuits and simultaneously reduce stress system arousal may provide added benefits for attenuating cocaine dependence.
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Affiliation(s)
- Helen Fox
- Yale Stress Center, Yale University School of Medicine, New Haven Connecticut USA.
| | - Rajita Sinha
- Yale Stress Center, Yale University School of Medicine, New Haven Connecticut USA
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McEwen BS, Morrison JH. The brain on stress: vulnerability and plasticity of the prefrontal cortex over the life course. Neuron 2013; 79:16-29. [PMID: 23849196 DOI: 10.1016/j.neuron.2013.06.028] [Citation(s) in RCA: 624] [Impact Index Per Article: 56.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/20/2013] [Indexed: 12/14/2022]
Abstract
The prefrontal cortex (PFC) is involved in working memory and self-regulatory and goal-directed behaviors and displays remarkable structural and functional plasticity over the life course. Neural circuitry, molecular profiles, and neurochemistry can be changed by experiences, which influence behavior as well as neuroendocrine and autonomic function. Such effects have a particular impact during infancy and in adolescence. Behavioral stress affects both the structure and function of PFC, though such effects are not necessarily permanent, as young animals show remarkable neuronal resilience if the stress is discontinued. During aging, neurons within the PFC become less resilient to stress. There are also sex differences in the PFC response to stressors. While such stress and sex hormone-related alterations occur in regions mediating the highest levels of cognitive function and self-regulatory control, the fact that they are not necessarily permanent has implications for future behavior-based therapies that harness neural plasticity for recovery.
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Affiliation(s)
- Bruce S McEwen
- Laboratory of Neuroendocrinology, The Rockefeller University, 1230 York Avenue, New York, NY 10065, USA.
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Lockridge A, Newland B, Printen S, Romero GE, Yuan LL. Head movement: a novel serotonin-sensitive behavioral endpoint for tail suspension test analysis. Behav Brain Res 2013; 246:168-78. [PMID: 23499706 DOI: 10.1016/j.bbr.2013.02.032] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2012] [Revised: 02/08/2013] [Accepted: 02/25/2013] [Indexed: 12/01/2022]
Abstract
The tail suspension test (TST) as an antidepressant and depression-related behavior screen, has many advantages over the forced swim test (FST) in terms of procedural simplicity and consistent SSRI response. However, the FST has traditionally offered more specific neuromodulatory information by differentiating between serotonin (5-HT) and norepinephrine sensitive behavior categories. Head movement is a newly characterized behavior endpoint in the FST and TST with a selective 5-HT sensitivity. In this investigation, we show that the baseline and drug response profile of head movement previously found in the 129S6 strain of mice (Lockridge et al., 2010) is reproducible in the C57 strain. Head movement is inversely correlated to FST swimming and elevated in the TST by SSRI administration. The use of a weighted bin sample analysis method differentiates TST behaviors into fluoxetine-responsive head movement and desipramine-responsive struggling. The use of 5-HT subtype receptor agonists, after depleting endogenous 5-HT with pCPA, shows the head movement suppressing effect of 5-HT2A and 5-HT2C postsynaptic receptor activation. 5-HT1A and 5-HT1B agonists were ineffective. We propose that a head movement focused analysis can add sensitive and reliable 5-HT detection capability to mouse TST testing with minimal effort but significant reward.
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Affiliation(s)
- Amber Lockridge
- Department of Neuroscience, University of Minnesota, 321 Church St. SE, Minneapolis, MN 55455, USA
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11
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Özdel O, Kalayci D, Sözeri-Varma G, Kiroğlu Y, Tümkaya S, Toker-Uğurlu T. Neurochemical metabolites in the medial prefrontal cortex in bipolar disorder: A proton magnetic resonance spectroscopy study. Neural Regen Res 2012; 7:2929-36. [PMID: 25317146 PMCID: PMC4190952 DOI: 10.3969/j.issn.1673-5374.2012.36.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2012] [Accepted: 11/04/2012] [Indexed: 12/30/2022] Open
Abstract
The aim of this study was to investigate proton magnetic resonance spectroscopy metabolite values in the medial prefrontal cortex of individuals with euthymic bipolar disorder. The subjects consisted of 15 patients with euthymic bipolar disorder type I and 15 healthy controls. We performed proton magnetic resonance spectroscopy of the bilateral medial prefrontal cortex and measured levels of N-acetyl aspartate, choline and creatine. Levels of these three metabolites in the medial prefrontal cortex were found to be lower in patients with bipolar disorder compared with healthy controls. A positive correlation was found between illness duration and choline levels in the right medial prefrontal cortex. Our study suggests that during the euthymic period, there are abnormalities in cellular energy and membrane phospholipid metabolism in the medial prefrontal cortex, and that this may impair neuronal activity and integrity.
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Affiliation(s)
- Osman Özdel
- Department of Psychiatry, Faculty of Medicine, Pamukkale University, Denizli 20100, Turkey
| | - Demet Kalayci
- Department of Psychiatry, Antalya Training and Research Hospital, Antalya 07050, Turkey
| | - Gülfizar Sözeri-Varma
- Department of Psychiatry, Faculty of Medicine, Pamukkale University, Denizli 20100, Turkey
| | - Yilmaz Kiroğlu
- Department of Radiology, Faculty of Medicine, Pamukkale University, Denizli 20100, Turkey
| | - Selim Tümkaya
- Department of Psychiatry, Faculty of Medicine, Pamukkale University, Denizli 20100, Turkey
| | - Tugçe Toker-Uğurlu
- Department of Psychiatry, Faculty of Medicine, Pamukkale University, Denizli 20100, Turkey
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12
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Danovich L, Weinreb O, Youdim MBH, Silver H. Chronic treatment with serotonin reuptake inhibitor antidepressant (SSRI) combined with an antipsychotic regulates GABA-A receptor in rat prefrontal cortex. Psychopharmacology (Berl) 2012; 220:763-70. [PMID: 21989809 DOI: 10.1007/s00213-011-2530-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2011] [Accepted: 09/26/2011] [Indexed: 12/17/2022]
Abstract
INTRODUCTION The combination of selective serotonin reuptake inhibitor (SSRI) antidepressants and antipsychotics is currently used for the treatment of negative symptoms of schizophrenia. However, the biochemical mechanism mediating the clinical effectiveness of this treatment remains obscure. Previously, we have reported that acute haloperidol (HALO)-fluvoxamine (FLU) in vivo and in vitro treatment regulated GABA-Aβ2/3 receptor subunits, and protein kinase C (PKC) and mitogen-activated protein kinase/extracellular signal-regulated kinase (ERK) signaling pathways. FINDINGS In the present study, we demonstrated that chronic HALO-FLU treatment, but not each drug alone, significantly decreased GABA-Aβ2/3 receptor expression (25 ± 6.2% vs. control) and caused receptor translocation from the membrane to the cytosol in rat prefrontal cortex. Phosphorylation of PKC and ERK2 was affected differently by HALO-FLU combination than by the individual drug treatments. HALO and FLU each given alone increased PKC phosphorylation levels (29 ± 15% and 40 ± 11.8%, vs. control, respectively) and did not affect ERK2 phosphorylation, while HALO-FLU combined treatment did not alter PKC phosphorylation levels and significantly decreased ERK2 phosphorylation levels (58 ± 4.4% vs. control). GABA-A receptor downregulation in the brain was accompanied by a decrease in GABA-A function, as shown in muscimol-induced loss of righting reflex (22 ± 9.8 min). CONCLUSIONS We provide a brief heuristic overview of our preclinical and clinical studies with the SSRI-antipsychotic combination and argue that the finding that it causes similar dynamic changes in laboratory and clinical domains, specifically in GABA-A β2/3 receptor and PKC, strongly supports the hypothesis that the GABA-A receptors and their regulatory systems are involved in the molecular mechanisms underlying the clinical effectiveness of SSRI augmentation.
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Affiliation(s)
- Lena Danovich
- Molecular Neuropsychiatry Unit, Shaar Menashe Brain Behavior Laboratory, Shaar Menashe MHC and Technion-Faculty of Medicine, Mobile Post, 38814, Haifa, Israel
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13
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Shulga YV, Topham MK, Epand RM. Regulation and functions of diacylglycerol kinases. Chem Rev 2011; 111:6186-208. [PMID: 21800853 DOI: 10.1021/cr1004106] [Citation(s) in RCA: 158] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Yulia V Shulga
- Department of Biochemistry and Biomedical Sciences, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4K1, Canada
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Mair RG, Onos KD, Hembrook JR. Cognitive activation by central thalamic stimulation: the yerkes-dodson law revisited. Dose Response 2010; 9:313-31. [PMID: 22013395 DOI: 10.2203/dose-response.10-017.mair] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Central thalamus regulates forebrain arousal, influencing activity in distributed neural networks that give rise to organized actions during alert, wakeful states. Central thalamus has been implicated in working memory by the effects of lesions and microinjected drugs in this part of the brain. Lesions and drugs that inhibit neural activity have been found to impair working memory. Drugs that increase activity have been found to enhance and impair memory depending on the dose tested. Electrical deep brain stimulation (DBS) similarly enhances working memory at low stimulating currents and impairs it at higher currents. These effects are time dependent. They were observed when DBS was applied during the memory delay (retention) or choice response (retrieval) but not earlier in trials during the sample (acquisition) phase. The effects of microinjected drugs and DBS are consistent with the Yerkes-Dodson law, which describes an inverted-U relationship between arousal and behavioral performance. Alternatively these results may reflect desensitization associated with higher levels of stimulation, spread of drugs or current to adjacent structures, or activation of less sensitive neurons or receptors at higher DBS currents or drug doses.
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Affiliation(s)
- Robert G Mair
- Department of Psychology, University of New Hampshire
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15
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Al-Khairi I, Baharnoori M, Kamath A, Bhardwaj SK, Srivastava LK. Altered expression and alpha-1 adrenergic receptor mediated activity of protein kinase C in the prefrontal cortex of rats with neonatal ventral hippocampus lesions. Synapse 2009; 63:1051-9. [DOI: 10.1002/syn.20691] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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