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Li Y, Ma S, Zhang X, Gao L. ASD and ADHD: Divergent activating patterns of prefrontal cortex in executive function tasks? J Psychiatr Res 2024; 172:187-196. [PMID: 38401362 DOI: 10.1016/j.jpsychires.2024.02.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 01/22/2024] [Accepted: 02/01/2024] [Indexed: 02/26/2024]
Abstract
The functional Near-infrared Spectroscopy (fNIRS) has been more and more widely used to measure the activation state of prefrontal cortex when performing function-related tasks among children with various developmental disorders. Children with autism spectrum disorder (ASD) and attention deficit hyperactivity disorder (ADHD) have shown obvious executive function defects. We aimed to summarize the studies with fNIRS, to summarize the activation patterns of prefrontal cortex (PFC) of participants with ASD or ADHD in performing functional tasks. We selected 630 articles according to PRISMA guidelines, and the eligibility criteria were: 6-16 years old individuals diagnosed with ASD or ADHD by DSM-4 or 5, using fNIRS, having executive function (EF) task, typical development (TD) control, and between-group comparison of PFC activation. Eleven studies were finally included in the quantitative analysis, and compared to TD, ASD and ADHD showed the opposite PFC activation patterns during n-back tasks. We discussed the task-specific PFC activation in young participants with ASD and ADHD, and provided some new ideas on that issue.
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Affiliation(s)
- Yin Li
- Department of Maternal, Child & Adolescent Health, School of Public Health, Tianjin Medical University, Tianjin, China
| | - Shuai Ma
- Department of Maternal, Child & Adolescent Health, School of Public Health, Tianjin Medical University, Tianjin, China
| | - Xin Zhang
- Department of Maternal, Child & Adolescent Health, School of Public Health, Tianjin Medical University, Tianjin, China
| | - Lei Gao
- Department of Maternal, Child & Adolescent Health, School of Public Health, Tianjin Medical University, Tianjin, China.
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Araki R, Kita A, Ago Y, Yabe T. Chronic social defeat stress induces anxiety-like behaviors via downregulation of serotonin transporter in the prefrontal serotonergic system in mice. Neurochem Int 2024; 174:105682. [PMID: 38301899 DOI: 10.1016/j.neuint.2024.105682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 01/14/2024] [Accepted: 01/30/2024] [Indexed: 02/03/2024]
Abstract
The serotonergic (5-HTergic) system is closely involved in the pathophysiology of mood and anxiety disorders and the responsibility of this system may differ for each symptom. In this study, we examined the relationship between the dysfunction of the 5-HTergic system and abnormal behaviors in the social defeat stress model, an animal model of mood and anxiety disorders and in mice with knockdown of Slc6a4, the gene encoding SERT. Monoamine content, serotonin (5-HT) release, 5-HT uptake, 5-HT transporter (SERT) protein levels, and behaviors were investigated in mice subjected to chronic social defeat stress and in mice with knockdown of Slc6a4, in 5-HTergic neurons projecting to the prefrontal cortex (PFC). Furthermore, DNA methylation of Slc6a4 was examined in mice subjected to chronic social defeat stress. Increased turnover, increased extracellular basal levels, decreased release and decreased uptake of 5-HT, and decreased SERT protein levels were observed in the PFC of the stressed mice. The decreased 5-HT uptake correlated with anxiety-like behavior characterized by decreased time spent in the open arms of the elevated plus maze. DNA methylation was increased in the CpG island of Slc6a4 in 5-HTergic neurons projecting to the PFC of the stressed mice. Similar to the stressed mice, mice with Slc6a4 knockdown in 5-HTergic neurons projecting to the PFC also showed decreased release and uptake of 5-HT in the PFC and increased anxiety-like behavior. Chronic stress may induce anxiety due to dysfunction in the prefrontal 5-HTergic system via decreased SERT expression in the PFC.
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Affiliation(s)
- Ryota Araki
- Laboratory of Functional Biomolecules and Chemical Pharmacology, Faculty of Pharmaceutical Sciences, Setsunan University, Osaka, Japan.
| | - Ayami Kita
- Laboratory of Functional Biomolecules and Chemical Pharmacology, Faculty of Pharmaceutical Sciences, Setsunan University, Osaka, Japan
| | - Yukio Ago
- Department of Cellular and Molecular Pharmacology, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Takeshi Yabe
- Laboratory of Functional Biomolecules and Chemical Pharmacology, Faculty of Pharmaceutical Sciences, Setsunan University, Osaka, Japan.
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Liu J, Zou X, Gu J, Yu Q, Dong Z, Zuo H, Chen X, Du X, Zou D, Han Y, Peng J, Cheng O. Altered connectivity in the cognitive control-related prefrontal cortex in Parkinson's disease with rapid eye movement sleep behavior disorder. Brain Imaging Behav 2023; 17:702-714. [PMID: 37721659 DOI: 10.1007/s11682-023-00796-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/30/2023] [Indexed: 09/19/2023]
Abstract
Rapid eye movement sleep behavior disorder (RBD) frequently occurs in Parkinson's disease (PD), however, the exact pathophysiological mechanism is not clear. The prefrontal cortex (PFC), especially ventrolateral prefrontal cortex (VLPFC), dorsolateral prefrontal cortex (DLPFC), and inferior frontal gyrus (IFG) which may play roles by regulating cognitive control processes. The purpose of this study was to investigate whether there is abnormal functional connectivity (FC) maps and volume changes in PD with RBD(PD-RBD). We recruited 20 PD-RBD, 20 PD without RBD (PD-nRBD), and 20 normal controls (NC). We utilized resting-state functional Magnetic Resonance Imaging (rs-MRI) to explore FC changes based on regions of interest (VLPFC, DLPFC, and IFG), and used voxel-based morphology technology to analyze whole-brain volumes by 3D-T1 structural MRI. Except the REM sleep behavioral disorders questionnaire (RBDSQ), the PD-RBD showed lower visuospatial/executive and attention scores than the NC group. The RBDSQ scores were significantly positively correlated with zFC of right DLPFC to bilateral posterior cingulate cortex (PCC) (P = 0.0362, R = 0.4708, AlphaSim corrected) and also significantly positively correlated with zFC of left VLPFC to right inferior temporal (P = 0.0157, R = 0.5323, AlphaSim corrected) in PD-RBD group. Furthermore, abnormal correlations with zFC values were also found in some cognitive subdomains in PD-RBD group. The study may suggest that in PD-RBD patients, the presence of RBD may be related to the abnormal FC of VLPFC and DLPFC, meanwhile, the abnormal FC of DLPFC and IFG may be related to the mechanisms of cognitive impairment.
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Affiliation(s)
- Jinjing Liu
- Department of Neurology, the First Affiliated Hospital, Chongqing Medical University, Chongqing, 400016, China
- Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Chongqing, 400042, China
| | - Xiaoya Zou
- Department of Neurology, the First Affiliated Hospital, Chongqing Medical University, Chongqing, 400016, China
| | - Jinming Gu
- Department of Radiology, the First Affiliated Hospital, Chongqing Medical University, Chongqing, 400016, China
| | - Qian Yu
- Department of Neurology, the First Affiliated Hospital, Chongqing Medical University, Chongqing, 400016, China
| | - Zhaoying Dong
- Department of Neurology, the First Affiliated Hospital, Chongqing Medical University, Chongqing, 400016, China
| | - Hongzhou Zuo
- Department of Neurology, the First Affiliated Hospital, Chongqing Medical University, Chongqing, 400016, China
| | - Xiaocui Chen
- Department of Neurology, the First Affiliated Hospital, Chongqing Medical University, Chongqing, 400016, China
| | - Xinyi Du
- Department of Neurology, the First Affiliated Hospital, Chongqing Medical University, Chongqing, 400016, China
| | - Dezhi Zou
- Department of Neurology, the First Affiliated Hospital, Chongqing Medical University, Chongqing, 400016, China
| | - Yu Han
- Department of Neurology, the First Affiliated Hospital, Chongqing Medical University, Chongqing, 400016, China
| | - Juan Peng
- Department of Radiology, the First Affiliated Hospital, Chongqing Medical University, Chongqing, 400016, China.
| | - Oumei Cheng
- Department of Neurology, the First Affiliated Hospital, Chongqing Medical University, Chongqing, 400016, China.
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Sun W, Xie G, Jiang X, Khaitovich P, Han D, Liu X. Epigenetic regulation of human-specific gene expression in the prefrontal cortex. BMC Biol 2023; 21:123. [PMID: 37226244 DOI: 10.1186/s12915-023-01612-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 05/03/2023] [Indexed: 05/26/2023] Open
Abstract
BACKGROUND Changes in gene expression levels during brain development are thought to have played an important role in the evolution of human cognition. With the advent of high-throughput sequencing technologies, changes in brain developmental expression patterns, as well as human-specific brain gene expression, have been characterized. However, interpreting the origin of evolutionarily advanced cognition in human brains requires a deeper understanding of the regulation of gene expression, including the epigenomic context, along the primate genome. Here, we used chromatin immunoprecipitation sequencing (ChIP-seq) to measure the genome-wide profiles of histone H3 lysine 4 trimethylation (H3K4me3) and histone H3 lysine 27 acetylation (H3K27ac), both of which are associated with transcriptional activation in the prefrontal cortex of humans, chimpanzees, and rhesus macaques. RESULTS We found a discrete functional association, in which H3K4me3HP gain was significantly associated with myelination assembly and signaling transmission, while H3K4me3HP loss played a vital role in synaptic activity. Moreover, H3K27acHP gain was enriched in interneuron and oligodendrocyte markers, and H3K27acHP loss was enriched in CA1 pyramidal neuron markers. Using strand-specific RNA sequencing (ssRNA-seq), we first demonstrated that approximately 7 and 2% of human-specific expressed genes were epigenetically marked by H3K4me3HP and H3K27acHP, respectively, providing robust support for causal involvement of histones in gene expression. We also revealed the co-activation role of epigenetic modification and transcription factors in human-specific transcriptome evolution. Mechanistically, histone-modifying enzymes at least partially contribute to an epigenetic disturbance among primates, especially for the H3K27ac epigenomic marker. In line with this, peaks enriched in the macaque lineage were found to be driven by upregulated acetyl enzymes. CONCLUSIONS Our results comprehensively elucidated a causal species-specific gene-histone-enzyme landscape in the prefrontal cortex and highlighted the regulatory interaction that drove transcriptional activation.
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Affiliation(s)
- Weifen Sun
- Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Ministry of Justice, Shanghai, 200063, China
- CAS Key Laboratory of Computational Biology, CAS-MPG Partner Institute for Computational Biology, Shanghai Institute of Nutrition and Health, CAS, Shanghai, 200031, China
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Gangcai Xie
- CAS Key Laboratory of Computational Biology, CAS-MPG Partner Institute for Computational Biology, Shanghai Institute of Nutrition and Health, CAS, Shanghai, 200031, China
| | - Xi Jiang
- CAS Key Laboratory of Computational Biology, CAS-MPG Partner Institute for Computational Biology, Shanghai Institute of Nutrition and Health, CAS, Shanghai, 200031, China
| | - Philipp Khaitovich
- CAS Key Laboratory of Computational Biology, CAS-MPG Partner Institute for Computational Biology, Shanghai Institute of Nutrition and Health, CAS, Shanghai, 200031, China.
- Skolkovo Institute of Science and Technology, Moscow, 121205, Russia.
| | - Dingding Han
- CAS Key Laboratory of Computational Biology, CAS-MPG Partner Institute for Computational Biology, Shanghai Institute of Nutrition and Health, CAS, Shanghai, 200031, China.
- Department of Clinical Laboratory, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200062, China.
| | - Xiling Liu
- Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Ministry of Justice, Shanghai, 200063, China.
- CAS Key Laboratory of Computational Biology, CAS-MPG Partner Institute for Computational Biology, Shanghai Institute of Nutrition and Health, CAS, Shanghai, 200031, China.
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Ishola AO, Adetunji AE, Abanum IC, Adeyemi AA, Faleye CK, Martins JB, Ogbe NC, Ogundipe TC, Okewulonu KE, Okon UE, Ovbude DI, Akele RY, Omotade NT, Ajao MS. Datumetine Preferentially Upregulates N-methyl-D-aspartate Receptor Signalling Pathways in Different Brain Regions of Mice. Basic Clin Neurosci 2023; 14:103-116. [PMID: 37346877 PMCID: PMC10279986 DOI: 10.32598/bcn.2021.3397.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 06/15/2021] [Accepted: 06/30/2021] [Indexed: 06/23/2023] Open
Abstract
Introduction We previously reported that datumetine possesses binding affinity with N-methyl-D-aspartate receptor (NMDAR) and that 14-day exposure to datumetine altered NMDAR signaling by mimicking glutamate toxicity. Here, we investigated the potential neuroprotective effect of a single shot of a low dose of datumetine administration in BALB/c mice. Methods 30 male adult BALB/c mice were used for the study. The mice were randomly divided into three groups of ten mice each with an intraperitoneal injection of 0.1 mL of 10% DMSO for the Vehicle group, Datumetine group were administered 0.1 mg/kg body weight (bw) of datumetine and MK-801+Datumetine group were administered 0.5 mg/kg bw of MK-801 (to block NMDAR) followed by 0.1 mg/kg bw of datumetine after 30 minutes. 24 hours after administration, mice were euthanized in an isoflurane chamber followed by perfusion with 1X PBS. Brains were excised and stored at -20°C till further processing. Mice designated for IHC were further perfused with 4% PFA and brain excised and stored in 4% PFA till further processing. NMDAR signalling molecules expression was evaluated in frozen brain samples and the fixed brain samples were stained for neuron, vGlut and NMDAR subtypes. Results Relative to vehicle (Veh), datumetine downregulate calcium calmodulin kinase II alpha (CamKIIα) expression in the hippocampus and prefrontal cortex (PFC) but not in the cerebellum, cyclic AMP response element binding protein (CREB) was also upregulated only in the PFC but phosphorylated CREB (pCREB) was also upregulated in three brain regions observed, while brain-derived neurotrophic factor (BDNF) was only upregulated in hippocampus and PFC of Datumetine relative to vehicle (Veh). On the other hand, dizocilpine (MK-801) reversed some of the effects of datumetine in the observed brain regions. No major histological alterations were observed in the different brain regions immunohistochemically. Conclusion We conclude that a low dose of datumetine moderately enhances NMDAR activity. This showed the neuroprotective potentials of low datumetine exposure.
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Affiliation(s)
- Azeez Olakunle Ishola
- Department of Anatomy, College of Medicine and Health Sciences, Afe Babalola University Ado-Ekiti, Nigeria
| | - Adedeji Enitan Adetunji
- Department of Anatomy, College of Medicine and Health Sciences, Afe Babalola University Ado-Ekiti, Nigeria
| | - Isaac Chukwunwike Abanum
- Department of Anatomy, College of Medicine and Health Sciences, Afe Babalola University Ado-Ekiti, Nigeria
| | - Adesola Akorede Adeyemi
- Department of Anatomy, College of Medicine and Health Sciences, Afe Babalola University Ado-Ekiti, Nigeria
| | - Caleb Kenechukwu Faleye
- Department of Anatomy, College of Medicine and Health Sciences, Afe Babalola University Ado-Ekiti, Nigeria
| | - Jane Babale Martins
- Department of Anatomy, College of Medicine and Health Sciences, Afe Babalola University Ado-Ekiti, Nigeria
| | - Nnenna Chimdalu Ogbe
- Department of Anatomy, College of Medicine and Health Sciences, Afe Babalola University Ado-Ekiti, Nigeria
| | | | - Karen Ezichi Okewulonu
- Department of Anatomy, College of Medicine and Health Sciences, Afe Babalola University Ado-Ekiti, Nigeria
| | - Umo Emmanuel Okon
- Department of Anatomy, College of Medicine and Health Sciences, Afe Babalola University Ado-Ekiti, Nigeria
| | - Deborah Irenoise Ovbude
- Department of Anatomy, College of Medicine and Health Sciences, Afe Babalola University Ado-Ekiti, Nigeria
| | - Richard Yomi Akele
- Department of Medical Laboratory Science, College of Medicine and Health Sciences, Afe Babalola University, Ado-Ekiti, Nigeria
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de Freitas PH, Monteiro RC, Bertani R, Perret CM, Rodrigues PC, Vicentini J, de Morais TMG, Rozental SF, Galvão GF, de Mattos F, Vasconcelos FA, Dorio IS, Hayashi CY, dos Santos JR, Werneck GL, Tocquer CTF, Capitão C, da Cruz LCH, Tulviste J, Fiorani M, da Silva MM, Paiva WS, Podell K, Federoff HJ, Patel DH, Lado F, Goldberg E, Llinás R, Bennett MV, Rozental R. E.L., a modern-day Phineas Gage: Revisiting frontal lobe injury. Lancet Reg Health Am 2022; 14:100340. [PMID: 36777390 PMCID: PMC9903712 DOI: 10.1016/j.lana.2022.100340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
BACKGROUND How the prefrontal cortex (PFC) recovers its functionality following lesions remains a conundrum. Recent work has uncovered the importance of transient low-frequency oscillatory activity (LFO; < 4 Hz) for the recovery of an injured brain. We aimed to determine whether persistent cortical oscillatory dynamics contribute to brain capability to support 'normal life' following injury. METHODS In this 9-year prospective longitudinal study (08/2012-2021), we collected data from the patient E.L., a modern-day Phineas Gage, who suffered from lesions, impacting 11% of his total brain mass, to his right PFC and supplementary motor area after his skull was transfixed by an iron rod. A systematic evaluation of clinical, electrophysiologic, brain imaging, neuropsychological and behavioural testing were used to clarify the clinical significance of relationship between LFO discharge and executive dysfunctions and compare E.L.´s disorders to that attributed to Gage (1848), a landmark in the history of neurology and neuroscience. FINDINGS Selective recruitment of the non-injured left hemisphere during execution of unimanual right-hand movements resulted in the emergence of robust LFO, an EEG-detected marker for disconnection of brain areas, in the damaged right hemisphere. In contrast, recruitment of the damaged right hemisphere during contralateral hand movement, resulted in the co-activation of the left hemisphere and decreased right hemisphere LFO to levels of controls enabling performance, suggesting a target for neuromodulation. Similarly, transcranial magnetic stimulation (TMS), used to create a temporary virtual-lesion over E.L.'s healthy hemisphere, disrupted the modulation of contralateral LFO, disturbing behaviour and impairing executive function tasks. In contrast to Gage, reasoning, planning, working memory, social, sexual and family behaviours eluded clinical inspection by decreasing LFO in the delta frequency range during motor and executive functioning. INTERPRETATION Our study suggests that modulation of LFO dynamics is an important mechanism by which PFC accommodates neurological injuries, supporting the reports of Gage´s recovery, and represents an attractive target for therapeutic interventions. FUNDING Fundação de Amparo Pesquisa Rio de Janeiro (FAPERJ), Universidade Federal do Rio de Janeiro (intramural), and Fiocruz/Ministery of Health (INOVA Fiocruz).
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Affiliation(s)
- Pedro H.M. de Freitas
- Instituto de Ciências Biomédicas, CCS, Universidade Federal do Rio de Janeiro, RJ, 21941-902, Brazil
| | - Ruy C. Monteiro
- Miguel Couto Municipal Hospital, Rio de Janeiro, RJ, 22430-160, Brazil
| | - Raphael Bertani
- Instituto de Ciências Biomédicas, CCS, Universidade Federal do Rio de Janeiro, RJ, 21941-902, Brazil
- Miguel Couto Municipal Hospital, Rio de Janeiro, RJ, 22430-160, Brazil
| | - Caio M. Perret
- Instituto de Ciências Biomédicas, CCS, Universidade Federal do Rio de Janeiro, RJ, 21941-902, Brazil
- Miguel Couto Municipal Hospital, Rio de Janeiro, RJ, 22430-160, Brazil
| | - Pedro C. Rodrigues
- Instituto de Ciências Biomédicas, CCS, Universidade Federal do Rio de Janeiro, RJ, 21941-902, Brazil
| | - Joana Vicentini
- Instituto de Ciências Biomédicas, CCS, Universidade Federal do Rio de Janeiro, RJ, 21941-902, Brazil
| | | | | | - Gustavo F. Galvão
- Instituto de Ciências Biomédicas, CCS, Universidade Federal do Rio de Janeiro, RJ, 21941-902, Brazil
| | - Fabricio de Mattos
- Instituto de Ciências Biomédicas, CCS, Universidade Federal do Rio de Janeiro, RJ, 21941-902, Brazil
| | - Fernando A. Vasconcelos
- Miguel Couto Municipal Hospital, Rio de Janeiro, RJ, 22430-160, Brazil
- Dept Neurocirurgia, HUGG, Universidade Federal do Estado do Rio de Janeiro (UNIRIO), RJ, 20270-004, Brazil
| | - Ivan S. Dorio
- Miguel Couto Municipal Hospital, Rio de Janeiro, RJ, 22430-160, Brazil
| | - Cintya Y. Hayashi
- Dept Neurologia, Universidade do Estado de São Paulo, SP, 05402-000, Brazil
| | | | - Guilherme L. Werneck
- Instituto de Ciências Biomédicas, CCS, Universidade Federal do Rio de Janeiro, RJ, 21941-902, Brazil
| | | | | | | | - Jaan Tulviste
- University of Tartu, Institute of Psychology, Tartu, Estonia
| | - Mario Fiorani
- Instituto de Biofísica, Universidade Federal do Rio de Janeiro, RJ, 21941-902, Brazil
| | - Marcos M. da Silva
- Dept Neurologia, HUCFF, Universidade Federal do Rio de Janeiro, RJ, 21941-902, Brazil
| | | | - Kenneth Podell
- Neurological Institute, Houston Methodist, TX, 77030, USA
| | | | | | - Fred Lado
- Northwell Health, Manhasset, NY, 11030, USA
| | - Elkhonon Goldberg
- Dept Neurology, New York University, School of Medicine, NY, 10016, USA
| | - Rodolfo Llinás
- Dept. Physiology and Neuroscience, New York University, School of Medicine, NY, 10016, USA
| | | | - Renato Rozental
- Instituto de Ciências Biomédicas, CCS, Universidade Federal do Rio de Janeiro, RJ, 21941-902, Brazil
- Dept Neuroscience, Albert Einstein Coll Medicine, Bronx, NY, 10461, USA
- Centro Desenvolvimento Tecnológico (CDTS), FIOCRUZ, Rio de Janeiro, 21040-361, Brazil
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Daood M, Peled-Avron L, Ben-Hayun R, Nevat M, Aharon-Peretz J, Tomer R, Admon R. Fronto-striatal connectivity patterns account for the impact of methylphenidate on choice impulsivity among healthy adults. Neuropharmacology 2022; 216:109190. [PMID: 35835210 DOI: 10.1016/j.neuropharm.2022.109190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Revised: 06/06/2022] [Accepted: 07/07/2022] [Indexed: 10/17/2022]
Abstract
Choice impulsivity depicts a preference towards smaller-sooner rewards over larger-delayed rewards, and is often assessed using a delay discounting (DD) task. Previous research uncovered the prominent role of dopaminergic signaling within fronto-striatal circuits in mediating choice impulsivity. Administration of methylphenidate (MPH), an indirect dopaminergic agonist, was shown to reduce choice impulsivity in animals and pathological populations, although significant inter-individual variability in these effects was reported. Whether MPH impacts choice impulsivity among healthy individuals, and whether variability in the impact of MPH is related to fronto-striatal activation and connectivity patterns, has yet to be assessed. Here, fifty-seven healthy young adults completed the DD task twice during fMRI scans, after acute administration of either MPH (20 mg) or placebo, in a randomized double-blind placebo-controlled design. Acute MPH administration was found to reduce choice impulsivity at the group level, yet substantial variability in this behavioral response was observed. MPH was also found to increase activation in the bilateral putamen and the right caudate, and to enhance functional connectivity between the left putamen and medial prefrontal cortex (mPFC), particularly during non-impulsive choices. Notably, the more putamen-mPFC functional connectivity increased during non-impulsive choices following MPH administration, the less an individual was likely to make impulsive choices. These findings reveal, for the first time in healthy adults, that acute MPH administration is associated with reduced choice impulsivity and increased striatal activation and fronto-striatal connectivity; and furthermore, that the magnitude of MPH-induced change in fronto-striatal connectivity may account for individual differences in the impact of MPH on impulsive behavior.
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Affiliation(s)
- Maryana Daood
- School of Psychological Sciences, University of Haifa, Haifa, Israel
| | - Leehe Peled-Avron
- School of Psychological Sciences, University of Haifa, Haifa, Israel
| | - Rachel Ben-Hayun
- The Cognitive Neurology Institute, Rambam Health Care Campus, Haifa, Israel
| | - Michael Nevat
- School of Psychological Sciences, University of Haifa, Haifa, Israel
| | | | - Rachel Tomer
- School of Psychological Sciences, University of Haifa, Haifa, Israel; The Integrated Brain and Behavior Research Center (IBBRC), University of Haifa, Haifa, Israel
| | - Roee Admon
- School of Psychological Sciences, University of Haifa, Haifa, Israel; The Integrated Brain and Behavior Research Center (IBBRC), University of Haifa, Haifa, Israel.
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Pandey GN, Rizavi HS, Bhaumik R, Zhang H. Chemokines gene expression in the prefrontal cortex of depressed suicide victims and normal control subjects. Brain Behav Immun 2021; 94:266-273. [PMID: 33571631 PMCID: PMC8231709 DOI: 10.1016/j.bbi.2021.01.033] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 01/26/2021] [Accepted: 01/28/2021] [Indexed: 01/03/2023] Open
Abstract
Abnormalities of neuroinflammation have been implicated in the pathogenesis of depression and suicide. This is primarily based on the observation that cytokines, which are major inflammatory molecules and play an important role in depression and suicide, are increased in both serum and in postmortem brain of depressed and suicidal subjects. Another class of immune mediators are chemokines which are primarily involved in chemotactic properties and trafficking of immune cells in the central nervous system (CNS). Chemokines also play an important role in CNS function. Whereas chemokines have been studied in the serum of depressed and suicidal patients, their role in brain of depressed or suicidal subjects is relatively unexplored. We studied the gene expression of several chemokines in the prefrontal cortex (PFC) obtained from depressed suicidal (DS) and normal control (NC) subjects. We determined the mRNA expression of several chemokines belonging to CXCL and CCL groups of chemokines using qPCR array technique and qPCR gene expression validation in 24 DS and 24 NC subjects. The postmortem brain samples were obtained from the Maryland Brain Collection. We found that the mRNA expression of chemokines CXCL1, CXCL2, CXCL3 and CCL2 was significantly decreased in the PFC of DS compared with NC subjects. No significant change was observed in CXCL5, CXCL6, CXCL10, CCL8 and CCL19 between DS and NC subjects. Since many of the chemokines are involved in mediating certain important CNS functions, such as neurotrophic effect, neurogenesis, anti-apoptotic growth factor release, modulation of synaptic transmission, brain development and neuronal loss, decreased levels of chemokines can reduce these functions which may be involved in the pathophysiology of depression.
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Affiliation(s)
- Ghanshyam N. Pandey
- Corresponding Author: Ghanshyam N. Pandey, Ph.D., University of Illinois at Chicago, 1601 West Taylor Street, Chicago, IL 60612, USA, Phone (312) 413-4540, Fax: (312) 413-4547,
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Mugruza-Vassallo CA, Potter DD, Tsiora S, Macfarlane JA, Maxwell A. Prior context influences motor brain areas in an auditory oddball task and prefrontal cortex multitasking modelling. Brain Inform 2021; 8:5. [PMID: 33745089 PMCID: PMC7982371 DOI: 10.1186/s40708-021-00124-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 12/21/2020] [Indexed: 11/19/2022] Open
Abstract
In this study, the relationship of orienting of attention, motor control and the Stimulus- (SDN) and Goal-Driven Networks (GDN) was explored through an innovative method for fMRI analysis considering all voxels in four experimental conditions: standard target (Goal; G), novel (N), neutral (Z) and noisy target (NG). First, average reaction times (RTs) for each condition were calculated. In the second-level analysis, 'distracted' participants, as indicated by slower RTs, evoked brain activations and differences in both hemispheres' neural networks for selective attention, while the participants, as a whole, demonstrated mainly left cortical and subcortical activations. A context analysis was run in the behaviourally distracted participant group contrasting the trials immediately prior to the G trials, namely one of the Z, N or NG conditions, i.e. Z.G, N.G, NG.G. Results showed different prefrontal activations dependent on prior context in the auditory modality, recruiting between 1 to 10 prefrontal areas. The higher the motor response and influence of the previous novel stimulus, the more prefrontal areas were engaged, which extends the findings of hierarchical studies of prefrontal control of attention and better explains how auditory processing interferes with movement. Also, the current study addressed how subcortical loops and models of previous motor response affected the signal processing of the novel stimulus, when this was presented laterally or simultaneously with the target. This multitasking model could enhance our understanding on how an auditory stimulus is affecting motor responses in a way that is self-induced, by taking into account prior context, as demonstrated in the standard condition and as supported by Pulvinar activations complementing visual findings. Moreover, current BCI works address some multimodal stimulus-driven systems.
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Affiliation(s)
- Carlos A Mugruza-Vassallo
- Grupo de Investigación de Computación Y Neurociencia Cognitiva, Facultad de Ingeniería Y Gestión, Universidad Nacional Tecnológica de Lima Sur - UNTELS, Lima, Perú.
| | - Douglas D Potter
- Neuroscience and Development Group, Arts and Science, University of Dundee, Dundee, UK
| | - Stamatina Tsiora
- School of Psychology, University of Lincoln, Lincoln, United Kingdom
| | | | - Adele Maxwell
- Neuroscience and Development Group, Arts and Science, University of Dundee, Dundee, UK
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10
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Amiri S, Dizaji R, Momeny M, Gauvin E, Hosseini MJ. Clozapine attenuates mitochondrial dysfunction, inflammatory gene expression, and behavioral abnormalities in an animal model of schizophrenia. Neuropharmacology 2021; 187:108503. [PMID: 33636190 DOI: 10.1016/j.neuropharm.2021.108503] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 01/24/2021] [Accepted: 02/16/2021] [Indexed: 10/22/2022]
Abstract
Beyond abnormalities in the neurotransmitter hypothesis, recent evidence suggests that mitochondrial dysfunction and immune-inflammatory responses contribute to the pathophysiology of schizophrenia. The prefrontal cortex (PFC) undergoes maturation and development during adolescence, which is a critical time window in life that is vulnerable to environmental adversities and the development of psychiatric disorders such as schizophrenia. Applying eight weeks of post-weaning social isolation stress (PWSI) to rats, as an animal model of schizophrenia, we decided to investigate the effects of PWSI on the mitochondrial function and expression of immune-inflammatory genes in the PFC of normal and stressed rats. To do this, control and PWSI rats were divided into treatment (clozapine; CLZ, 2.5 mg/kg/day for 28 days) and non-treatment sub-groups. Our results showed PWSI caused schizophrenic-like behaviors in rats and induced mitochondrial dysfunction as well as upregulation of genes associated with innate immunity in the PFC. Chronic treatment with CLZ attenuated the effects of PWSI on behavioral abnormalities, mitochondrial dysfunction, and immune-inflammatory responses in the PFC of rats. These results may advance our understanding about the mechanism of action of CLZ that targets mitochondrial dysfunction and immune-inflammatory responses as factors involved in the pathophysiology of schizophrenia.
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Affiliation(s)
- Shayan Amiri
- Department of Pharmacology, College of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Rana Dizaji
- Zanjan Applied Pharmacology Research Center, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Majid Momeny
- Hematology/Oncology and Stem Cell Transplantation Research Center, Shariati Hospital, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Evan Gauvin
- Division of Neurodegenerative Disorders, St Boniface Hospital Albrechtsen Research Centre, Department of Pharmacology and Therapeutics, University of Manitoba, Winnipeg, MB, Canada
| | - Mir-Jamal Hosseini
- Zanjan Applied Pharmacology Research Center, Zanjan University of Medical Sciences, Zanjan, Iran; Departments of Pharmacology and Toxicology, School of Pharmacy, Zanjan University of Medical Sciences, Zanjan, Iran.
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11
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Parto Dezfouli M, Davoudi S, Knight RT, Daliri MR, Johnson EL. Prefrontal lesions disrupt oscillatory signatures of spatiotemporal integration in working memory. Cortex 2021; 138:113-126. [PMID: 33684625 DOI: 10.1016/j.cortex.2021.01.016] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 10/22/2020] [Accepted: 01/28/2021] [Indexed: 12/24/2022]
Abstract
How does the human brain integrate spatial and temporal information into unified mnemonic representations? Building on classic theories of feature binding, we first define the oscillatory signatures of integrating 'where' and 'when' information in working memory (WM) and then investigate the role of prefrontal cortex (PFC) in spatiotemporal integration. Fourteen individuals with lateral PFC damage and 20 healthy controls completed a visuospatial WM task while electroencephalography (EEG) was recorded. On each trial, two shapes were presented sequentially in a top/bottom spatial orientation. We defined EEG signatures of spatiotemporal integration by comparing the maintenance of two possible where-when configurations: the first shape presented on top and the reverse. Frontal delta-theta (δθ; 2-7 Hz) activity, frontal-posterior δθ functional connectivity, lateral posterior event-related potentials, and mesial posterior alpha phase-to-gamma amplitude coupling dissociated the two configurations in controls. WM performance and frontal and mesial posterior signatures of spatiotemporal integration were diminished in PFC lesion patients, whereas lateral posterior signatures were intact. These findings reveal both PFC-dependent and independent substrates of spatiotemporal integration and link optimal performance to PFC.
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Affiliation(s)
- Mohsen Parto Dezfouli
- School of Cognitive Sciences (SCS), Institute for Research in Fundamental Sciences (IPM), Tehran, Iran; Biomedical Engineering Department, School of Electrical Engineering, Iran University of Science and Technology (IUST), Tehran, Iran.
| | - Saeideh Davoudi
- Biomedical Engineering Department, School of Electrical Engineering, Iran University of Science and Technology (IUST), Tehran, Iran
| | - Robert T Knight
- Helen Wills Neuroscience Institute, University of California, Berkeley, Berkeley, CA, USA; Department of Psychology, University of California, Berkeley, Berkeley, CA, USA
| | - Mohammad Reza Daliri
- School of Cognitive Sciences (SCS), Institute for Research in Fundamental Sciences (IPM), Tehran, Iran; Biomedical Engineering Department, School of Electrical Engineering, Iran University of Science and Technology (IUST), Tehran, Iran.
| | - Elizabeth L Johnson
- Helen Wills Neuroscience Institute, University of California, Berkeley, Berkeley, CA, USA; Life-Span Cognitive Neuroscience Program, Institute of Gerontology, Wayne State University, Detroit, MI, USA.
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12
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Parto Dezfouli M, Zarei M, Constantinidis C, Daliri MR. Task-specific modulation of PFC activity for matching-rule governed decision-making. Brain Struct Funct 2021; 226:443-455. [PMID: 33398431 DOI: 10.1007/s00429-020-02191-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Accepted: 11/27/2020] [Indexed: 01/08/2023]
Abstract
Storing information from incoming stimuli in working memory (WM) is essential for decision-making. The prefrontal cortex (PFC) plays a key role to support this process. Previous studies have characterized different neuronal populations in the PFC for working memory judgements based on whether an originally presented stimulus matches a subsequently presented one (matching-rule decision-making). However, much remains to be understood about this mechanism at the population level of PFC neurons. Here, we hypothesized differences in processing of feature vs. spatial WM within the PFC during a matching-rule decision-making task. To test this hypothesis, the modulation of neural activity within the PFC during two types of decision-making tasks (spatial WM and feature WM) in comparison to a passive fixation task was determined. We discovered that neural population-level activity within the PFC is different for the match vs. non-match condition exclusively in the case of the feature-specific decision-making task. For this task, the non-match condition exhibited a greater firing rate and lower trial-to-trial variability in spike count compared to the feature-match condition. Furthermore, the feature-match condition exhibited lower variability compared to the spatial-match condition. This was accompanied by a faster behavioral response time for the feature-match compared to the spatial-match WM task. We attribute this lower across-trial spiking variability and behavioral response time to a higher task-relevant attentional level in the feature WM compared to the spatial WM task. The findings support our hypothesis for task-specific differences in the processing of feature vs. spatial WM within the PFC. This also confirms the general conclusion that PFC neurons play an important role during the process of matching-rule governed decision-making.
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Affiliation(s)
- Mohsen Parto Dezfouli
- School of Cognitive Sciences (SCS), Institute for Research in Fundamental Sciences (IPM), Tehran, Iran. .,Neuroscience and Neuroengineering Research Laboratory, Department of Biomedical Engineering, School of Electrical Engineering, Iran University of Science and Technology (IUST), Tehran, Iran.
| | - Mohammad Zarei
- School of Cognitive Sciences (SCS), Institute for Research in Fundamental Sciences (IPM), Tehran, Iran.,School of Electrical Engineering, Sharif University of Technology, Tehran, Iran
| | - Christos Constantinidis
- Department of Neurobiology and Anatomy, Wake Forest School of Medicine, Winston-Salem, NC, 27157, USA
| | - Mohammad Reza Daliri
- School of Cognitive Sciences (SCS), Institute for Research in Fundamental Sciences (IPM), Tehran, Iran. .,Neuroscience and Neuroengineering Research Laboratory, Department of Biomedical Engineering, School of Electrical Engineering, Iran University of Science and Technology (IUST), Tehran, Iran.
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13
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Buchta WC, Moutal A, Hines B, Garcia-Keller C, Smith ACW, Kalivas P, Khanna R, Riegel AC. Dynamic CRMP2 Regulation of CaV2.2 in the Prefrontal Cortex Contributes to the Reinstatement of Cocaine Seeking. Mol Neurobiol 2020; 57:346-357. [PMID: 31359322 PMCID: PMC6980501 DOI: 10.1007/s12035-019-01711-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Accepted: 07/15/2019] [Indexed: 02/06/2023]
Abstract
Cocaine addiction remains a major health concern with limited effective treatment options. A better understanding of mechanisms underlying relapse may help inform the development of new pharmacotherapies. Emerging evidence suggests that collapsin response mediator protein 2 (CRMP2) regulates presynaptic excitatory neurotransmission and contributes to pathological changes during diseases, such as neuropathic pain and substance use disorders. We examined the role of CRMP2 and its interactions with a known binding partner, CaV2.2, in cocaine-seeking behavior. We employed the rodent self-administration model of relapse to drug seeking and focused on the prefrontal cortex (PFC) for its well-established role in reinstatement behaviors. Our results indicated that repeated cocaine self-administration resulted in a dynamic and persistent alteration in the PFC expression of CRMP2 and its binding partner, the CaV2.2 (N-type) voltage-gated calcium channel. Following cocaine self-administration and extinction training, the expression of both CRMP2 and CaV2.2 was reduced relative to yoked saline controls. By contrast, cued reinstatement potentiated CRMP2 expression and increased CaV2.2 expression above extinction levels. Lastly, we utilized the recently developed peptide myr-TAT-CBD3 to disrupt the interaction between CRMP2 and CaV2.2 in vivo. We assessed the reinstatement behavior after infusing this peptide directly into the medial PFC and found that it decreased cue-induced reinstatement of cocaine seeking. Taken together, these data suggest that neuroadaptations in the CRMP2/CaV2.2 signaling cascade in the PFC can facilitate drug-seeking behavior. Targeting such interactions has implications for the treatment of cocaine relapse behavior.
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Affiliation(s)
- William C Buchta
- Department of Neuroscience, Medical University of South Carolina (MUSC), 410C Basic Sciences Building, 173 Ashley Avenue, Charleston, SC, 29425, USA
- Neurobiology of Addiction Research Center, Medical University of South Carolina, Charleston, SC, 29425, USA
| | - Aubin Moutal
- Department of Pharmacology, University of Arizona, Tucson, AZ, 85724, USA
| | - Bethany Hines
- Department of Neuroscience, Medical University of South Carolina (MUSC), 410C Basic Sciences Building, 173 Ashley Avenue, Charleston, SC, 29425, USA
- Neurobiology of Addiction Research Center, Medical University of South Carolina, Charleston, SC, 29425, USA
| | - Constanza Garcia-Keller
- Department of Neuroscience, Medical University of South Carolina (MUSC), 410C Basic Sciences Building, 173 Ashley Avenue, Charleston, SC, 29425, USA
- Neurobiology of Addiction Research Center, Medical University of South Carolina, Charleston, SC, 29425, USA
| | - Alexander C W Smith
- Department of Neuroscience, Medical University of South Carolina (MUSC), 410C Basic Sciences Building, 173 Ashley Avenue, Charleston, SC, 29425, USA
- Neurobiology of Addiction Research Center, Medical University of South Carolina, Charleston, SC, 29425, USA
| | - Peter Kalivas
- Department of Neuroscience, Medical University of South Carolina (MUSC), 410C Basic Sciences Building, 173 Ashley Avenue, Charleston, SC, 29425, USA
- Neurobiology of Addiction Research Center, Medical University of South Carolina, Charleston, SC, 29425, USA
| | - Rajesh Khanna
- Department of Pharmacology, University of Arizona, Tucson, AZ, 85724, USA
- Department of Anesthesiology, University of Arizona, Tucson, AZ, 85724, USA
- The Center for Innovation in Brain Sciences, The University of Arizona Health Sciences, Tucson, AZ, USA
| | - Arthur C Riegel
- Department of Neuroscience, Medical University of South Carolina (MUSC), 410C Basic Sciences Building, 173 Ashley Avenue, Charleston, SC, 29425, USA.
- Neurobiology of Addiction Research Center, Medical University of South Carolina, Charleston, SC, 29425, USA.
- Department of Pharmacology, University of Arizona, Tucson, AZ, 85724, USA.
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14
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Yasumura A, Omori M, Fukuda A, Takahashi J, Yasumura Y, Nakagawa E, Koike T, Yamashita Y, Miyajima T, Koeda T, Aihara M, Inagaki M. Age-related differences in frontal lobe function in children with ADHD. Brain Dev 2019; 41:577-586. [PMID: 30952459 DOI: 10.1016/j.braindev.2019.03.006] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 03/13/2019] [Accepted: 03/14/2019] [Indexed: 01/25/2023]
Abstract
BACKGROUND The neural correlates of executive function disorders are thought to be predominantly localized within the prefrontal cortex (PFC). However, no study to date has investigated changes in this system across different age groups in children with attention deficit hyperactivity disorder (ADHD). Thus, this study aimed to explore changes in PFC function in children with ADHD. METHODS Study participants included typically developing (TD) children (n = 140) and children with ADHD (n = 67) of primary school age. Behavioral executive functions and their neural basis were evaluated between the TD children and children with ADHD and also across different age periods (younger and older children). To examine executive function, inhibitory control was assessed using the reverse Stroop task, and PFC near-infrared spectroscopic measurements were used to investigate the neural mechanisms involved. RESULTS Both ADHD symptoms and the ability to inhibit color interference improved with age. Compared to TD children, children with ADHD demonstrated decreased activation of the right and middle PFC across all age groups. Interestingly, the left PFC appeared to play a compensatory role. CONCLUSION Children with ADHD exhibited changes in PFC function that varied with age. Longitudinal studies are required to assess the potential of using PFC function as an early biomarker of ADHD.
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Affiliation(s)
- Akira Yasumura
- Faculty of Humanities and Social Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan; Department of Developmental Disorders, National Institute of Mental Health, Kumamoto University, National Center of Neurology and Psychiatry (NCNP), Kodaira, Chuo-ku, Kumamoto, Japan.
| | - Mikimasa Omori
- Department of Developmental Disorders, National Institute of Mental Health, Kumamoto University, National Center of Neurology and Psychiatry (NCNP), Kodaira, Chuo-ku, Kumamoto, Japan; Department of Psychology, Faculty of Humanities and Social Sciences, Showa Women's University, Tokyo, Japan
| | - Ayako Fukuda
- Department of Developmental Disorders, National Institute of Mental Health, Kumamoto University, National Center of Neurology and Psychiatry (NCNP), Kodaira, Chuo-ku, Kumamoto, Japan
| | - Junichi Takahashi
- Department of Human Development, Faculty of Human Development and Culture, Fukushima University, Fukushima, Japan
| | - Yukiko Yasumura
- Department of Children, Saitama Junshin Junior College, Hanyu, Japan
| | - Eiji Nakagawa
- Department of Child Neurology, National Center Hospital, NCNP, Tokyo, Japan
| | - Toshihide Koike
- Special-Support Science, Faculty of Education, Tokyo Gakugei University, Tokyo, Japan
| | - Yushiro Yamashita
- Department of Pediatrics and Child Health, Kurume University School of Medicine, Kurume, Japan
| | - Tasuku Miyajima
- Department of Education for Childcare, Tokyo Kasei University, Saitama, Japan
| | - Tatsuya Koeda
- Faculty of Regional Sciences, Child Development and Learning Research Center, Tottori University, Tottori, Japan
| | - Masao Aihara
- Graduate Faculty of Interdisciplinary Research, Graduate School, University of Yamanashi, Yamanashi, Japan
| | - Masumi Inagaki
- Department of Developmental Disorders, National Institute of Mental Health, Kumamoto University, National Center of Neurology and Psychiatry (NCNP), Kodaira, Chuo-ku, Kumamoto, Japan
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15
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Nickel M, Eid F, Jukkola P, Gu C. Copper chelation and autoimmunity differentially impact myelin in the hippocampal-prefrontal circuit. J Neuroimmunol 2019; 334:576998. [PMID: 31254928 DOI: 10.1016/j.jneuroim.2019.576998] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 06/18/2019] [Accepted: 06/19/2019] [Indexed: 01/19/2023]
Abstract
Multiple sclerosis (MS) is an inflammatory demyelinating disease of the central nervous system. About 50% of MS patients develop deficits in learning, memory and executive function, which are accompanied by demyelinating lesions in the hippocampus and/or prefrontal cortex (PFC). Why demyelination in these regions occurs in some patients but not in others and what is the underlying mechanism remain unclear. Here we report that myelin density in the hippocampus and PFC is markedly reduced in the cuprizone model, but not in the chronic experimental autoimmune encephalomyelitis. These two models can be used for studying different neuropathophysiological aspects of demyelinating diseases.
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Affiliation(s)
- Mara Nickel
- Department of Biological Chemistry and Pharmacology, The Ohio State University, Columbus, OH 43210, USA
| | - Farida Eid
- College of Arts and Sciences, The Ohio State University, Columbus, OH 43210, USA
| | - Peter Jukkola
- Biomedical Sciences Graduate Program, The Ohio State University, Columbus, OH 43210, USA
| | - Chen Gu
- Department of Biological Chemistry and Pharmacology, The Ohio State University, Columbus, OH 43210, USA; Biomedical Sciences Graduate Program, The Ohio State University, Columbus, OH 43210, USA.
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Hupalo S, Bryce CA, Bangasser DA, Berridge CW, Valentino RJ, Floresco SB. Corticotropin-Releasing Factor (CRF) circuit modulation of cognition and motivation. Neurosci Biobehav Rev 2019; 103:50-59. [PMID: 31212019 DOI: 10.1016/j.neubiorev.2019.06.010] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2018] [Revised: 04/08/2019] [Accepted: 06/11/2019] [Indexed: 01/04/2023]
Abstract
The neuropeptide, corticotropin-releasing factor (CRF), is a key modulator of physiological, endocrine, and behavioral responses during stress. Dysfunction of the CRF system has been observed in stress-related affective disorders including post-traumatic stress disorder, depression, and anxiety. Beyond affective symptoms, these disorders are also characterized by impaired cognition, for which current pharmacological treatments are lacking. Thus, there is a need for pro-cognitive treatments to improve quality of life for individuals suffering from mental illness. In this review, we highlight research demonstrating that CRF elicits potent modulatory effects on higher-order cognition via actions within the prefrontal cortex and subcortical monoaminergic and cholinergic systems. Additionally, we identify questions for future preclinical research on this topic, such as the need to investigate sex differences in the cognitive and microcircuit actions of CRF, and whether CRF may represent a pharmacological target to treat cognitive dysfunction. Addressing these questions will provide new insight into pathophysiology underlying cognitive dysfunction and may lead to improved treatments for neuropsychiatric disorders.
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Affiliation(s)
- Sofiya Hupalo
- Integrative Neuroscience Section, National Institute of Neurological Disorders and Stroke, Bethesda, MD 20892, United States.
| | - Courtney A Bryce
- Department of Psychology and Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, BC, Canada
| | - Debra A Bangasser
- Psychology Department and Neuroscience Program, Temple University, Philadelphia, PA 19122, United States
| | - Craig W Berridge
- Department of Psychology, University of Wisconsin-Madison, Madison, WI 53706, United States
| | - Rita J Valentino
- National Institute on Drug Abuse, Bethesda, MD 20892, United States
| | - Stan B Floresco
- Department of Psychology and Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, BC, Canada
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Muñoz-Cobo I, Erburu MM, Zwergel C, Cirilli R, Mai A, Valente S, Puerta E, Tordera RM. Nucleocytoplasmic export of HDAC5 and SIRT2 downregulation: two epigenetic mechanisms by which antidepressants enhance synaptic plasticity markers. Psychopharmacology (Berl) 2018; 235:2831-46. [PMID: 30091005 DOI: 10.1007/s00213-018-4975-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2017] [Accepted: 07/17/2018] [Indexed: 10/28/2022]
Abstract
RATIONALE Antidepressant action has been linked to increased synaptic plasticity in which epigenetic mechanisms such as histone posttranslational acetylation could be involved. Interestingly, the histone deacetylases HDAC5 and SIRT2 are oppositely regulated by stress and antidepressants in mice prefrontal cortex (PFC). Besides, the neuroblastoma SH-SY5Y line is an in vitro neuronal model reliable to study drug effects with clear advantages over animals. OBJECTIVES We aimed to characterize in vitro the role of HDAC5 and SIRT2 in antidepressant regulation of neuroplasticity. METHODS SH-SY5Y cultures were incubated with imipramine, fluoxetine, and reboxetine (10 μM, 2 and 24 h) as well as the selective HDAC5 (MC3822, 5 μM, 24 h) or SIRT2 (33i, 5 μM, 24 h) inhibitors. The regulation of the brain-derived neurotrophic factor (BDNF), the vesicular glutamate transporter 1 (VGLUT1), the acetylated histones 3 (AcH3) and 4 (AcH4), HDAC5, and SIRT2 was studied. Comparatively, the long-term effects of these antidepressants (21 days, i.p.) in the mice (C57BL6, 8 weeks) PFC were studied. RESULTS Antidepressants increased both in vitro and in vivo expression of BDNF, VGLUT1, AcH3, and AcH4. Moreover, imipramine and reboxetine increased the phosphorylated form of HDAC5 (P-HDAC5), mediating its cytoplasmic export. Further, SIRT2 was downregulated by all antidepressants. Finally, specific inhibition of HDAC5 and SIRT2 increased neuroplasticity markers. CONCLUSIONS This study supports the validity of the SH-SY5Y model for studying epigenetic changes linked to synaptic plasticity induced by antidepressants as well as the effect of selective HDAC inhibitors. Particularly, nucleocytoplasmic export of HDAC5 and SIRT2 downregulation mediated by antidepressants could enhance synaptic plasticity markers leading to antidepressant action.
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18
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Sun L, Min L, Li M, Shao F, Wang W. Transcriptomic analysis reveals oxidative phosphorylation activation in an adolescent social isolation rat model. Brain Res Bull 2018; 142:304-312. [PMID: 30142370 DOI: 10.1016/j.brainresbull.2018.08.013] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Revised: 07/23/2018] [Accepted: 08/18/2018] [Indexed: 12/29/2022]
Abstract
Complex interactions between genetic and environmental factors exert a sustained influence on the pathogenesis of schizophrenia (SCZ). Adolescent social isolation is regarded as a typical paradigm for SCZ. However, the underlying pathological mechanisms are not fully understood. In this study, adolescent Sprague-Dawley (SD) rats were placed in isolation rearing (IR) or social rearing (SR) conditions from postnatal day (PND) 21 to 34 to establish a SCZ disease model and a control model, respectively. Prepulse inhibition (PPI) assays and elevated plus maze tests were performed on PND 56. Next, prefrontal cortex (PFC) tissues were isolated for transcriptomic sequencing and RT-qPCR analyses. The results indicated that adolescent social isolation induced anxious behaviors and disrupted PPIs as well as specific PFC gene expression patterns in adult SD rats. A total of 196 genes were identified as upregulated, and 748 genes were identified as down-regulated in the IR group compared with those in the SR group. Differentially expressed genes (DEGs) were highly enriched in the KEGG pathways associated with the comorbidity of neurological disorder and oxidative phosphorylation (OXPHOS); 26 out of 27 comorbid neurological disorder-associated DEGs overlapped with 31 OXPHOS-associated DEGs. Those 26 overlapping DEGs were all upregulated in the IR group and could easily distinguish the IR group from the SR group; 6 of these DEGs (COX7C, NDUFB11, NDUFA2, NDUFC2, ATP5C1, and COX6A1) were verified by RT-qPCR. Here, we provide a systematic overview of gene expression alterations in adolescent-social-isolation-induced SCZ (ASI-SCZ), which suggests that genes that are associated with the comorbidity of neurological disorders, especially OXPHOS-related genes, contribute to the pathogenesis of ASI-SCZ.
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Affiliation(s)
- Lan Sun
- School of Psychological and Cognitive Sciences, Beijing Key Laboratory of Behavior and Mental Health, Peking University, Beijing, 100871, China
| | - Li Min
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China
| | - Man Li
- Department of Psychology, School of Educational Science, Tianjin Normal University, Tianjin, 300387, China
| | - Feng Shao
- School of Psychological and Cognitive Sciences, Beijing Key Laboratory of Behavior and Mental Health, Peking University, Beijing, 100871, China.
| | - Weiwen Wang
- Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China.
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Garcia LP, Witteveen JS, Middelman A, van Hulten JA, Martens GJM, Homberg JR, Kolk SM. Perturbed Developmental Serotonin Signaling Affects Prefrontal Catecholaminergic Innervation and Cortical Integrity. Mol Neurobiol 2018; 56:1405-1420. [PMID: 29948943 PMCID: PMC6400880 DOI: 10.1007/s12035-018-1105-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Accepted: 05/03/2018] [Indexed: 11/26/2022]
Abstract
Proper development of the medial prefrontal cortex (mPFC), crucial for correct cognitive functioning, requires projections from, among others, the serotonergic (5-HT) and catecholaminergic systems, but it is unclear how these systems influence each other during development. Here, we describe the parallel development of the 5-HT and catecholaminergic prefrontal projection systems in rat and demonstrate a close engagement of both systems in the proximity of Cajal-Retzius cells. We further show that in the absence of the 5-HT transporter (5-HTT), not only the developing 5-HT but also the catecholaminergic system, including their projections towards the mPFC, are affected. In addition, the layer identity of the mPFC neurons and reelin-positive interneuron number and integration are altered in the absence of the 5-HTT. Together, our data demonstrate a functional interplay between the developing mPFC 5-HT and catecholaminergic systems, and call for a holistic approach in studying neurotransmitter systems-specific developmental consequences for adult behavior, to eventually allow the design of better treatment strategies for neuropsychiatric disorders.
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Affiliation(s)
- Lidiane P Garcia
- Donders Institute for Brain, Cognition, and Behaviour, Centre for Neuroscience, Department of Molecular Animal Physiology, Radboud Institute for Molecular Life Sciences (RIMLS), Radboud University Nijmegen, Geert Grooteplein Zuid 28, 6525 GA, Nijmegen, The Netherlands
| | - Josefine S Witteveen
- Donders Institute for Brain, Cognition, and Behaviour, Centre for Neuroscience, Department of Molecular Animal Physiology, Radboud Institute for Molecular Life Sciences (RIMLS), Radboud University Nijmegen, Geert Grooteplein Zuid 28, 6525 GA, Nijmegen, The Netherlands
| | - Anthonieke Middelman
- Donders Institute for Brain, Cognition, and Behaviour, Centre for Neuroscience, Department of Cognitive Neuroscience, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands
| | - Josephus A van Hulten
- Donders Institute for Brain, Cognition, and Behaviour, Centre for Neuroscience, Department of Molecular Animal Physiology, Radboud Institute for Molecular Life Sciences (RIMLS), Radboud University Nijmegen, Geert Grooteplein Zuid 28, 6525 GA, Nijmegen, The Netherlands
| | - Gerard J M Martens
- Donders Institute for Brain, Cognition, and Behaviour, Centre for Neuroscience, Department of Molecular Animal Physiology, Radboud Institute for Molecular Life Sciences (RIMLS), Radboud University Nijmegen, Geert Grooteplein Zuid 28, 6525 GA, Nijmegen, The Netherlands
| | - Judith R Homberg
- Donders Institute for Brain, Cognition, and Behaviour, Centre for Neuroscience, Department of Cognitive Neuroscience, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands
| | - Sharon M Kolk
- Donders Institute for Brain, Cognition, and Behaviour, Centre for Neuroscience, Department of Molecular Animal Physiology, Radboud Institute for Molecular Life Sciences (RIMLS), Radboud University Nijmegen, Geert Grooteplein Zuid 28, 6525 GA, Nijmegen, The Netherlands.
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Smith RG, Hannon E, De Jager PL, Chibnik L, Lott SJ, Condliffe D, Smith AR, Haroutunian V, Troakes C, Al-Sarraj S, Bennett DA, Powell J, Lovestone S, Schalkwyk L, Mill J, Lunnon K. Elevated DNA methylation across a 48-kb region spanning the HOXA gene cluster is associated with Alzheimer's disease neuropathology. Alzheimers Dement 2018; 14:1580-1588. [PMID: 29550519 PMCID: PMC6438205 DOI: 10.1016/j.jalz.2018.01.017] [Citation(s) in RCA: 104] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Revised: 01/07/2018] [Accepted: 01/26/2018] [Indexed: 01/05/2023]
Abstract
Introduction: Alzheimer’s disease is a neurodegenerative disorder that is hypothesized to involve epigenetic dysregulation of gene expression in the brain. Methods: We performed an epigenome-wide association study to identify differential DNA methylation associated with neuropathology in prefrontal cortex and superior temporal gyrus samples from 147 individuals, replicating our findings in two independent data sets (N = 117 and 740). Results: We identify elevated DNA methylation associated with neuropathology across a 48-kb region spanning 208 CpG sites within the HOXA gene cluster. A meta-analysis of the top-ranked probe within the HOXA3 gene (cg22962123) highlighted significant hypermethylation across all three cohorts (P = 3.11 × 10−18). Discussion: We present robust evidence for elevated DNA methylation associated with Alzheimer’s disease neuropathology spanning the HOXA gene cluster on chromosome 7. These data add to the growing evidence highlighting a role for epigenetic variation in Alzheimer’s disease, implicating the HOX gene family as a target for future investigation.
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Affiliation(s)
- Rebecca G Smith
- Institute of Clinical and Biomedical Science, University of Exeter Medical School, RILD Building, Royal Devon & Exeter Hospital Campus, Exeter, Devon, UK
| | - Eilis Hannon
- Institute of Clinical and Biomedical Science, University of Exeter Medical School, RILD Building, Royal Devon & Exeter Hospital Campus, Exeter, Devon, UK
| | - Philip L De Jager
- Program in Translational NeuroPsychiatric Genomics, Departments of Neurology and Psychiatry, Institute for the Neurosciences, Brigham and Women's Hospital, Boston, MA, USA; Harvard Medical School, Boston, MA, USA; Department of Neurology, Columbia University College of Physicians and Surgeons, Columbia University Medical Center, New York, NY, USA
| | - Lori Chibnik
- Program in Translational NeuroPsychiatric Genomics, Departments of Neurology and Psychiatry, Institute for the Neurosciences, Brigham and Women's Hospital, Boston, MA, USA; Harvard Medical School, Boston, MA, USA
| | - Simon J Lott
- Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | | | - Adam R Smith
- Institute of Clinical and Biomedical Science, University of Exeter Medical School, RILD Building, Royal Devon & Exeter Hospital Campus, Exeter, Devon, UK
| | - Vahram Haroutunian
- Department of Psychiatry, The Icahn School of Medicine at Mount Sinai, New York, NY, USA; Department of Neuroscience, The Icahn School of Medicine at Mount Sinai, New York, NY, USA; JJ Peters VA Medical Center, Bronx, NY, USA
| | - Claire Troakes
- Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Safa Al-Sarraj
- Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - David A Bennett
- Rush Alzheimer's Disease Center, Rush University Medical Center, Chicago, IL, USA
| | - John Powell
- Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Simon Lovestone
- Department of Psychiatry, University of Oxford, Warneford Hospital, Oxford, UK
| | | | - Jonathan Mill
- Institute of Clinical and Biomedical Science, University of Exeter Medical School, RILD Building, Royal Devon & Exeter Hospital Campus, Exeter, Devon, UK.
| | - Katie Lunnon
- Institute of Clinical and Biomedical Science, University of Exeter Medical School, RILD Building, Royal Devon & Exeter Hospital Campus, Exeter, Devon, UK.
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Muñoz-Cobo I, Belloch FB, Díaz-Perdigón T, Puerta E, Tordera RM. SIRT2 inhibition reverses anhedonia in the VGLUT1+/- depression model. Behav Brain Res 2017; 335:128-31. [PMID: 28778545 DOI: 10.1016/j.bbr.2017.07.045] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2017] [Revised: 07/21/2017] [Accepted: 07/29/2017] [Indexed: 11/21/2022]
Abstract
Some histone deacetylase (HDACs) enzymes have been proposed as epigenetic targets involved in the pathophysiology of depression and antidepressant-like action. Among them, we have recently identified SIRT2, a class III NAD+-dependent HDAC, as being oppositely regulated by stress and antidepressants. Moreover, SIRT2 inhibition has shown antianhedonic-like action in the chronic mild stress model of depression. Here we have extended the study using an alternative model of depression based in a genetic manipulation of glutamate function. Specifically, mice heterozygous for the vesicular glutamate transporter 1 (VGLUT1+/-) were used. Firstly, mRNA expression of the different members of the HDAC superfamily in the prefrontal cortex (PFC) of VGLUT1+/- mice and WT littermates were studied by RT-PCR. Secondly, the effect of repeated treatment with the selective SIRT2 inhibitor 33i and the antidepressant imipramine on anhedonic behaviour of VGLUT1+/- mice was studied by weekly monitoring of sucrose intake. Further, the interaction of 33i towards specific monoaminergic targets such as serotonin or noradrenaline transporters as well as the monoaminooxidase enzyme was studied. The mRNA occurance of the different members of HDAC superfamily was not altered in the PFC of VGLUT1+/- mice. While repeated imipramine showed an anti-anhedonic action in both VGLUT1+/- and WT, the selective SIRT2 inhibitor 33i fully reversed anhedonia of VGLUT1+/-. Further, 33i showed no interaction with the above mentioned monoaminergic molecular targets. These results confirm that SIRT2 inhibition is able to reverse anhedonia in different animal models and highlight the need to further investigate the role of SIRT2 inhibitors as new antidepressant agents.
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Hosaka H, Aoyagi K, Kaga Y, Kanemura H, Sugita K, Aihara M. Developmental changes in autonomic responses are associated with future reward/punishment expectations: A study of sympathetic skin responses in the Markov decision task. Brain Dev 2017; 39:573-82. [PMID: 28377150 DOI: 10.1016/j.braindev.2017.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Revised: 01/20/2017] [Accepted: 03/03/2017] [Indexed: 11/23/2022]
Abstract
OBJECTIVE Autonomic nervous system activity is recognized as a major component of emotional responses. Future reward/punishment expectations depend upon the process of decision making in the frontal lobe, which is considered to play an important role in executive function. The aim of this study was to investigate the relationship between autonomic responses and decision making during reinforcement tasks using sympathetic skin responses (SSR). METHODS Nine adult and 9 juvenile (mean age, 10.2years) volunteers were enrolled in this study. SSRs were measured during the Markov decision task (MDT), which is a reinforcement task. In this task, subjects must endure a small immediate loss to ultimately get a large reward. The subjects had to undergo three sets of tests and their scores in these tests were assessed and evaluated. RESULTS All adults showed gradually increasing scores for the MDT from the first to third set. As the trial progressed from the first to second set in adults, SSR appearance ratios remarkably increased for both punishment and reward expectations. In comparison with adults, children showed decreasing scores from the first to second set. There were no significant inter-target differences in the SSR appearance ratio in the first and second set in children. In the third set, the SSR appearance ratio for reward expectations was higher than that in the neutral condition. CONCLUSIONS In reinforcement tasks, such as MDT, autonomic responses play an important role in decision making. We assume that SSRs are elicited during efficient decision making tasks associated with future reward/punishment expectations, which demonstrates the importance of autonomic function. In contrast, in children around the age of 10years, the autonomic system does not react as an organized response specific to reward/punishment expectations. This suggests the immaturity of the future reward/punishment expectations process in children.
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Besteher B, Gaser C, Langbein K, Dietzek M, Sauer H, Nenadić I. Effects of subclinical depression, anxiety and somatization on brain structure in healthy subjects. J Affect Disord 2017; 215:111-117. [PMID: 28319687 DOI: 10.1016/j.jad.2017.03.039] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Revised: 03/09/2017] [Accepted: 03/10/2017] [Indexed: 12/25/2022]
Abstract
BACKGROUND Dimensional approaches in highly prevalent psychiatric disorders like depression or anxiety could lead to a better understanding of pathogenesis and advantages in early detection and prevention. In an effort to better understand associations of brain structural variation across the depression/anxiety spectra, we investigated minor subclinical symptoms in a non-clinical healthy population. METHODS We studied 177 healthy subjects from the community, who underwent high-resolution T1-weighted 3T MRI and completed the symptom-checklist-90 (SCL-90-R). Using voxel-based morphometry (VBM) analysis with CAT12 software, we correlated SCL-90-R-subscales for depression, anxiety, and somatization with gray matter across the brain. RESULTS Significant positive gray matter correlations emerged across all three scales in different areas: the depression subscale correlated positively with gray matter in the Rolandic operculum, superior temporal gyrus (left) and postcentral gyrus (bilateral), the anxiety subscale correlated positively with middle temporal gyrus, Rolandic operculum, middle cingular gyrus and precuneus bilaterally, and the somatization subscale with left inferior prefrontal cortex. Somatization also showed negative correlations with cerebellar vermis and right supplementary motor area. LIMITATIONS Our study is limited to VBM and does not include surface-based measures. It also only contains subjects with very small psychological distress by partly overlapping symptoms. CONCLUSION Our findings are consistent with a non-linear relationship between symptom severity and cortical volume in several brain areas involved in both emotion regulation as well as altered in clinically manifest depressive/anxiety disorders.
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Affiliation(s)
- Bianca Besteher
- Department of Psychiatry and Psychotherapy, Jena University Hospital, Jena, Germany.
| | - Christian Gaser
- Department of Psychiatry and Psychotherapy, Jena University Hospital, Jena, Germany; Department of Neurology, Jena University Hospital, Jena, Germany
| | - Kerstin Langbein
- Department of Psychiatry and Psychotherapy, Jena University Hospital, Jena, Germany
| | - Maren Dietzek
- Department of Psychiatry and Psychotherapy, Jena University Hospital, Jena, Germany
| | - Heinrich Sauer
- Department of Psychiatry and Psychotherapy, Jena University Hospital, Jena, Germany
| | - Igor Nenadić
- Department of Psychiatry and Psychotherapy, Jena University Hospital, Jena, Germany; Department of Psychiatry and Psychotherapy, Philipps-University Marburg/Marburg University Hospital - UKGM, Marburg, Germany
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Nishitani S, Ikematsu K, Takamura T, Honda S, Yoshiura KI, Shinohara K. Genetic variants in oxytocin receptor and arginine-vasopressin receptor 1A are associated with the neural correlates of maternal and paternal affection towards their child. Horm Behav 2017; 87:47-56. [PMID: 27743766 DOI: 10.1016/j.yhbeh.2016.09.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Revised: 07/19/2016] [Accepted: 09/13/2016] [Indexed: 11/17/2022]
Abstract
There is extensive evidence in animal studies, particularly in vole species (Microtus), that oxytocin (OT) receptor and arginine-vasopressin (AVP) receptor 1a is critical for the regulation of maternal and paternal behavior, respectively. Human studies have gained insight into the relationship between both hormone receptor gene variants and behavior, but not between the variants and the underlying brain activity. To study this, we investigated the association between neural activation of the anterior prefrontal cortex (APFC) in mothers and fathers in response to their child smiling video stimuli to induce the positive affect related to attachment with their child, and genetic variants of OT receptor (OXTR) and AVP receptor 1A (AVPR1A). Overall, 43 mothers and 41 fathers participated, and each parent's child smiling was video recorded. Participants were then genotyped and underwent near-infrared spectroscopy to measure neural activation of the APFC while observing their own child smiling compared with an unfamiliar child. We found that the right inferior APFC was activated in response to child video stimuli in mothers and differential hemispheric activation of the inferior APFC in OXTR rs2254298-G/G mothers compared with -A carrier mothers, but not in fathers. Furthermore, we found a difference in the left inferior APFC activation between AVPR1A RS3-non-334 and -334 carrier fathers, but not mothers. Our results indicate a sex-dependent association between the genetic variants and the inferior APFC activations of maternal and paternal positive affect, analogous to the results reported in voles.
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Affiliation(s)
- Shota Nishitani
- Department of Neurobiology and Behavior, Nagasaki University Graduate School of Biomedical Sciences, 1-12-4 Sakamoto, Nagasaki 852-8523, Japan
| | - Kazuya Ikematsu
- Department of Forensic Pathology and Sciences, Nagasaki University Graduate School of Biomedical Sciences, 1-12-4 Sakamoto, Nagasaki 852-8523, Japan
| | - Tsunehiko Takamura
- Department of Neurobiology and Behavior, Nagasaki University Graduate School of Biomedical Sciences, 1-12-4 Sakamoto, Nagasaki 852-8523, Japan
| | - Sumihisa Honda
- Department of Nursing, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki 852-8520, Japan
| | - Koh-Ichiro Yoshiura
- Department of Human Genetics, Nagasaki University Graduate School of Biomedical Sciences, 1-12-4 Sakamoto, Nagasaki 852-8523, Japan
| | - Kazuyuki Shinohara
- Department of Neurobiology and Behavior, Nagasaki University Graduate School of Biomedical Sciences, 1-12-4 Sakamoto, Nagasaki 852-8523, Japan.
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Liu T, Liu Y, He W, He W, Yu X, Guo S, Zhang G. A passenger reduces sleepy driver's activation in the right prefrontal cortex: A laboratory study using near-infrared spectroscopy. Accid Anal Prev 2016; 95:358-361. [PMID: 26860429 DOI: 10.1016/j.aap.2016.01.016] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2015] [Revised: 12/18/2015] [Accepted: 01/25/2016] [Indexed: 06/05/2023]
Abstract
The present study aimed to examine how a passenger affects the sleepiness effect (awake vs. sleepy) on an individual's prefrontal activation during a simulated driving-game task using a wireless portable near-infrared spectroscopy (NIRS) device. Participants drove from start to goal along default routes either solely (no-passenger group) or with a friend sitting beside him/her as a passenger (with-passenger group). Sleepiness level was assessed by a five-item scale questionnaire. In the no-passenger group, there were no performance and activation differences between the sleepy and awake participants. In the with-passenger group, by contrast, the sleepy participants showed more errors and lower activations in their right prefrontal cortex than the awake participants. These results suggest that a passenger has little effect on awake participants, but may weaken the sleepy participants' vigilance and/or their cognitive abilities of action control. Practically, the present study demonstrates that NIRS may provide us a new possibility to monitor and examine the driver's mental states in the brain.
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Affiliation(s)
- Tao Liu
- School of Management, Zhejiang University, China; Department of Psychology, Sun Yat-Sen University, China; Cognitive Informatics Unit, Nagoya University, Japan.
| | - Yan Liu
- Department of Psychology, Sun Yat-Sen University, China
| | - Wei He
- Department of Psychology, Sun Yat-Sen University, China
| | - Wuming He
- Department of Psychology, Sun Yat-Sen University, China
| | - Xide Yu
- Department of Psychology, Sun Yat-Sen University, China
| | - Siyuan Guo
- Department of Psychology, Sun Yat-Sen University, China
| | - Guiping Zhang
- Department of Psychology, Sun Yat-Sen University, China
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Arai S, Okamoto Y, Fujioka T, Inohara K, Ishitobi M, Matsumura Y, Jung M, Kawamura K, Takiguchi S, Tomoda A, Wada Y, Hiratani M, Matsuura N, Kosaka H. Altered frontal pole development affects self-generated spatial working memory in ADHD. Brain Dev 2016; 38:471-80. [PMID: 26709204 DOI: 10.1016/j.braindev.2015.11.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2015] [Revised: 10/02/2015] [Accepted: 11/23/2015] [Indexed: 11/22/2022]
Abstract
BACKGROUND Spatial working memory (SWM) dysfunction is a feature of attention deficit hyperactivity disorder (ADHD). Previous studies suggested that behavioral performance in self-generated SWM improves through development in children with and without ADHD. Nevertheless, developmental changes in the neural underpinnings of self-generated SWM are unknown. METHOD Using near-infrared spectroscopy, hemodynamic activity in the prefrontal cortex (PFC) was measured in 30 children with ADHD (9.5 ± 1.6 years-old) and 35 TD children (9.0 ± 1.6 years-old) while they performed a self-generated SWM task. We then investigated correlations between age and behavioral performance, and between age and hemodynamic activity in the PFC for each group. RESULTS Both groups showed a negative correlation with age and number of errors [ADHD: r(28)=-0.37, p=0.040; TD: r(33)=-0.59, p<0.001], indicating that self-generated SWM improves through development. The TD group showed a positive correlation between age and oxygenated hemoglobin in the frontal pole [10ch: r(33)=0.41, p=0.013; 11ch; r(33)=0.44, p=0.008] and bilateral lateral PFC [4ch: r(33)=0.34, p=0.049; 13ch; r(33)=0.54, p=0.001], while no significant correlation was found in the ADHD group. Furthermore, regression slopes for the frontal pole significantly differed between the TD and ADHD groups [10ch: t(61)=2.35, p=0.021; 11ch: t(61)=2.05, p=0.044]. CONCLUSION Children with ADHD showed abnormalities in functional maturation of the frontal pole, which plays a role in manipulating and maintaining information associated with self-generated behavior.
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Ehlis AC, Haeussinger FB, Gastel A, Fallgatter AJ, Plewnia C. Task-dependent and polarity-specific effects of prefrontal transcranial direct current stimulation on cortical activation during word fluency. Neuroimage 2016; 140:134-40. [PMID: 26748077 DOI: 10.1016/j.neuroimage.2015.12.047] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2015] [Revised: 12/17/2015] [Accepted: 12/28/2015] [Indexed: 11/23/2022] Open
Abstract
Targeted modulation of cortical functions by non-invasive brain stimulation is widely used for the investigation of the neurophysiological signatures of executive functions and put forward as a potential specific treatment for its disorders. To further investigate the underlying mechanisms, we performed two experiments involving 46 subjects that performed a semantic and a phonological verbal fluency task (VFT) as well as a simple speech-production task after application of 1mA anodal or cathodal transcranial direct current stimulation (tDCS) to the left inferior frontal gyrus (IFG). Brain activation was measured by functional near-infrared spectroscopy (fNIRS) during task performance. Neither preceding anodal nor cathodal tDCS was found to modulate VFT performance of either difficulty. However, preconditioning with anodal tDCS increased brain activity during the VFT whereas a trendwise decrease of activation was found after cathodal stimulation. Notably, this difference was not found with simple speech production. These findings support the notion of a polarity-specific malleability of neuronal network activity underlying speech production by tDCS. Most importantly, the task-specificity of the modulatory effect observed after the end of stimulation demonstrates lasting neurophysiological effects of tDCS that are reflected in modifications of cortical excitability by challenging cognitive tasks.
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Erburu M, Muñoz-Cobo I, Domínguez-Andrés J, Beltran E, Suzuki T, Mai A, Valente S, Puerta E, Tordera RM. Chronic stress and antidepressant induced changes in Hdac5 and Sirt2 affect synaptic plasticity. Eur Neuropsychopharmacol 2015; 25:2036-48. [PMID: 26433268 DOI: 10.1016/j.euroneuro.2015.08.016] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2014] [Revised: 06/30/2015] [Accepted: 08/27/2015] [Indexed: 12/21/2022]
Abstract
Changes in histone acetylation could contribute to the pathogenesis of depression and antidepressant therapy. Using the chronic social defeat stress (CSDS) model of depression and different antidepressant treatments we studied the regulation of histone deacetylases (Hdac׳s) and synaptic plasticity markers in the prefrontal cortex (PFC). Further, functional implication of identified Hdac׳s in brain plasticity was explored. Mice were exposed to CSDS (10 days) followed by saline or imipramine (4 weeks). PFC Hdac׳s mRNA abundance was studied and compared to human׳s. Further, protein expression of acetylated histones (AcH3 and AcH4), neuroplasticity markers (CREB and pro-BDNF) and selected Hdac׳s were analyzed. Moreover, other antidepressants (fluoxetine and reboxetine) and selective HDAC inhibitors were studied. CSDS increased Hdac5 and Sirt2 mRNA whereas repeated imipramine did the opposite. Accordingly, stress and imipramine induced opposite changes on AcH3, AcH4 and CREB expression. At protein level, CSDS upregulated nuclear fraction of Hdac5 and repeated imipramine and reboxetine increased its phosphorylated form (p-Hdac5), mainly located in the cytoplasm. Moreover, Sirt2 was downregulated by all monoaminergic antidepressants. Further, repeated treatment with the class IIa Hdac inhibitor MC1568 and the Sirt2 inhibitor 33i for three weeks increased synaptic plasticity in the prefrontal cortex. Our results suggest that Hdac5 and Sirt2 upregulation could constitute stable stress-induced neuronal adaptations. Noteworthy, the SIRT2 upregulation in depressed patients supports the interest of this target for therapeutic intervention. On the other hand, cytoplasmic Hdac5 export and Sirt2 downregulation induced by monoaminergic antidepressants could contribute to the well-known beneficial effects of antidepressants on brain plasticity.
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Affiliation(s)
- M Erburu
- Dept. Pharmacology and Toxicology (University of Navarra), Pamplona, Spain
| | - I Muñoz-Cobo
- Dept. Pharmacology and Toxicology (University of Navarra), Pamplona, Spain
| | - J Domínguez-Andrés
- Dept. Pharmacology and Toxicology (University of Navarra), Pamplona, Spain
| | - E Beltran
- Dept. Pharmacology and Toxicology (University of Navarra), Pamplona, Spain
| | - T Suzuki
- Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - A Mai
- Dept. Drug Chemistry and Technologies, "Sapienza" University of Rome, Rome, Italy
| | - S Valente
- Dept. Drug Chemistry and Technologies, "Sapienza" University of Rome, Rome, Italy
| | - E Puerta
- Dept. Pharmacology and Toxicology (University of Navarra), Pamplona, Spain
| | - R M Tordera
- Dept. Pharmacology and Toxicology (University of Navarra), Pamplona, Spain.
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Nenadic I, Maitra R, Basu S, Dietzek M, Schönfeld N, Lorenz C, Gussew A, Amminger GP, McGorry P, Reichenbach JR, Sauer H, Gaser C, Smesny S. Associations of hippocampal metabolism and regional brain grey matter in neuroleptic-naïve ultra-high-risk subjects and first-episode schizophrenia. Eur Neuropsychopharmacol 2015; 25:1661-8. [PMID: 26088723 DOI: 10.1016/j.euroneuro.2015.05.005] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2015] [Revised: 05/06/2015] [Accepted: 05/13/2015] [Indexed: 01/21/2023]
Abstract
Hippocampal pathology has been shown to be central to the pathophysiology of schizophrenia and a putative risk marker for developing psychosis. We applied both (1)H MRS (proton magnetic resonance spectroscopy) at 3Tesla and voxel-based morphometry (VBM) of high-resolution brain structural images in order to study the association of the metabolites glutamate (Glu) and N-acetyl-aspartate (NAA) in the hippocampus with whole-brain morphometry in 31 persons at ultra-high-risk for psychosis (UHR), 18 first-episode schizophrenia patients (Sz), and 42 healthy controls (all subjects being neuroleptic-naïve). Significantly diverging associations emerged for UHR subjects hippocampal glutamate showed positive correlation with the left superior frontal cortex, not seen in Sz or controls, while in first-episode schizophrenia patients a negative correlation was significant between glutamate and a left prefrontal area. For NAA, we observed different associations for left prefrontal and caudate clusters bilaterally for both high-risk and first-episode schizophrenia subjects, diverging from the pattern seen in healthy subjects. Our results suggest that associations of hippocampal metabolites in key areas of schizophrenia might vary due to liability to or onset of the disorder.
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Nenadic I, Maitra R, Langbein K, Dietzek M, Lorenz C, Smesny S, Reichenbach JR, Sauer H, Gaser C. Brain structure in schizophrenia vs. psychotic bipolar I disorder: A VBM study. Schizophr Res 2015; 165:212-9. [PMID: 25935815 DOI: 10.1016/j.schres.2015.04.007] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2014] [Revised: 04/07/2015] [Accepted: 04/07/2015] [Indexed: 12/24/2022]
Abstract
While schizophrenia and bipolar disorder have been assumed to share phenotypic and genotypic features, there is also evidence for overlapping brain structural correlates, although it is unclear whether these relate to shared psychotic features. In this study, we used voxel-based morphometry (VBM8) in 34 schizophrenia patients, 17 euthymic bipolar I disorder patients (with a history of psychotic symptoms), and 34 healthy controls. Our results indicate that compared to healthy controls schizophrenia patients show grey matter deficits (p<0.05, FDR corrected) in medial and right dorsolateral prefrontal, as well as bilaterally in ventrolateral prefrontal and insular cortical areas, thalamus (bilaterally), left superior temporal cortex, and minor medial parietal and parietooccipital areas. Comparing schizophrenia vs. bipolar I patients (p<0.05, FDR corrected) yielded a similar pattern, however, there was an additional significant reduction in schizophrenia patients in the (posterior) hippocampus bilaterally, left dorsolateral prefrontal cortex, and left cerebellum. Compared to healthy controls, the deficits in bipolar I patients only reached significance at p<0.001 (uncorr.) for a minor parietal cluster, but not for prefrontal areas. Our results suggest that the more extensive prefrontal, thalamic, and hippocampal deficits that might set apart schizophrenia and bipolar disorder might not be related to mere appearance of psychotic symptoms at some stage of the disorders.
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Alipour A, Arefnasab Z, Babamahmoodi A. Emotional Intelligence and Prefrontal Cortex: a Comparative Study Based on Wisconsin Card Sorting Test (WCST). Iran J Psychiatry Behav Sci 2011; 5:114-9. [PMID: 24644455 PMCID: PMC3939963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/30/2010] [Revised: 04/09/2011] [Accepted: 06/13/2011] [Indexed: 12/02/2022]
Abstract
OBJECTIVE Emotional intelligence (EI) is a set of competencies that enable us to engage in sophisticated information processing of emotions and emotion-relevant stimuli and to use this information as a guide for thinking and behavior. Prefrontal cortexes (PFC) of brain and related regions have an important role in emotion and emotional regulation. Accordingly, we conducted a study to investigate the relation between EI and performance in Wisconsin Card Sorting Test (WCST) (a neuropsychological test, used to evaluate some of the frontal lobe functions). METHODS In this quasi-experimental study, 250 volunteers from BS and BA students of universities of Tehran were recruited using available sampling method. Bar-on EI, general health questionnaire (GHQ-28) and Raven's Progressive Matrices were completed by the participants. They were categorized into two groups; each group contained 40 students with high and low EI, whose performance in WCST were evaluated thereafter individually. Data was analyzed by MANOVA. RESULTS Our results showed that the high EI group had a better performance in WCST than the low EI group. CONCLUSION It can be concluded that people with better EI may have better PFC functions.
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Affiliation(s)
| | | | - Abdolreza Babamahmoodi
- Department of Research and Technology, Baqiyatallah University of Medical Sciences (BMSU),Tehran, Iran,Corresponding author : Abdolreza Babamamoodi, MD, Research and Technology Department, Baqiyatallah University of Medical Sciences (BMSU), Tehran, Iran. Tel : + 989121056737 Fax : + 982188614010 E-mail:
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