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Sun J, Du Z, Ma Y, Guo C, Gao S, Luo Y, Chen Q, Hong Y, Xiao X, Yu X, Fang J. Characterization of Resting-State Striatal Differences in First-Episode Depression and Recurrent Depression. Brain Sci 2022; 12:brainsci12121603. [PMID: 36552063 PMCID: PMC9776048 DOI: 10.3390/brainsci12121603] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/19/2022] [Accepted: 11/19/2022] [Indexed: 11/24/2022] Open
Abstract
The presence of reward deficits in major depressive disorder is associated with abnormal striatal function. However, differences in striatal whole-brain functional between recurrent depressive episode (RDE) and first-episode depression (FDE) have not been elucidated. Thirty-three patients with RDE, 27 with FDE, and 35 healthy controls (HCs) were recruited for this study. A seed-based functional connectivity (FC) method was used to analyze abnormalities in six predefined striatal subregion circuits among the three groups of subjects and to further explore the correlation between abnormal FC and clinical symptoms. The results revealed that compared with the FDE group, the RDE group showed higher FC of the striatal subregion with the left middle occipital gyrus, left orbital area of the middle frontal gyrus, and bilateral posterior cerebellar gyrus, while showing lower FC of the striatal subregion with the right thalamus, left inferior parietal lobule, left middle cingulate gyrus, right angular gyrus, right cerebellum anterior lobe, and right caudate nucleus. In the RDE group, the HAMD-17 scores were positively correlated with the FC between the left dorsal rostral putamen and the left cerebellum posterior lobe. This study provides new insights into understanding the specificity of striatal circuits in the RDE group.
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Affiliation(s)
- Jifei Sun
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
| | - Zhongming Du
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, China
| | - Yue Ma
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
| | - Chunlei Guo
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
| | - Shanshan Gao
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
| | - Yi Luo
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
| | - Qingyan Chen
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
| | - Yang Hong
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
| | - Xue Xiao
- Beijing First Hospital of Integrated Chinese and Western Medicine, Beijing 100026, China
| | - Xue Yu
- Beijing First Hospital of Integrated Chinese and Western Medicine, Beijing 100026, China
| | - Jiliang Fang
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
- Correspondence: ; Tel.: +86-010-88001493
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Fares F, Khatib S, Vaya J, Sharvit L, Eizenberg E, Wasser S. Striatal Isolated from Cyathus striatus Extracts Induces Apoptosis in Human Pancreatic Cancer Cells. Molecules 2022; 27:2746. [PMID: 35566094 PMCID: PMC9103111 DOI: 10.3390/molecules27092746] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 04/13/2022] [Accepted: 04/19/2022] [Indexed: 12/10/2022] Open
Abstract
The aim of the present study was to identify the structure of active compounds in Cyathus stratus that previously demonstrated anti-pancreatic cancer activity. The active compounds were purified from a crude extract by a series of RP-18 preparative chromatography using homemade octadecyl silica gel column. HPLC injection of the crude extract revealed a chromatogram with three main peaks with retention times (RT) 15.6, 18.2, and 22.5 min. Each fraction that exhibited promising activity in vitro was further separated using various available chromatographic techniques. The purified compound with the ultimate anti-cancer activity appeared at RT of 15.8 in the HPLC chromatogram with more than 90% purity. The main peak at the mass spectra appeared at m/z = 446.2304 with the calculated molecular formula of C25H34O7. One- and two-dimensional NMR analyses indicated that the structure of the active molecule (peak 15.8 min in HPLC) was identified as striatal C. Exposure of human pancreatic cancer cells to purified striatal C resulted in induction of apoptosis. Further studies are needed in order to develop a method for the synthesis of striatal in order to use it in clinical studies for treatment of cancer.
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Affiliation(s)
- Fuad Fares
- Department of Human Biology, Faculty of Natural Sciences, University of Haifa, Haifa 3498838, Israel; (L.S.); (E.E.)
| | - Soliman Khatib
- Laboratory of Natural Compounds and Analytical Chemistry, MIGAL Galilee Research Institute, Kiryat Shmona 11016, Israel; (S.K.); (J.V.)
- Tel-Hai College, Tel-Hai 1220800, Israel
| | - Jacob Vaya
- Laboratory of Natural Compounds and Analytical Chemistry, MIGAL Galilee Research Institute, Kiryat Shmona 11016, Israel; (S.K.); (J.V.)
| | - Lital Sharvit
- Department of Human Biology, Faculty of Natural Sciences, University of Haifa, Haifa 3498838, Israel; (L.S.); (E.E.)
| | - Einav Eizenberg
- Department of Human Biology, Faculty of Natural Sciences, University of Haifa, Haifa 3498838, Israel; (L.S.); (E.E.)
| | - Solomon Wasser
- Institute of Evolution and Department of Evolutionary and Environmental Biology, Faculty of Natural Sciences, University of Haifa, Haifa 3498838, Israel;
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Peixoto RT, Chantranupong L, Hakim R, Levasseur J, Wang W, Merchant T, Gorman K, Budnik B, Sabatini BL. Abnormal Striatal Development Underlies the Early Onset of Behavioral Deficits in Shank3B -/- Mice. Cell Rep 2020; 29:2016-2027.e4. [PMID: 31722214 PMCID: PMC6889826 DOI: 10.1016/j.celrep.2019.10.021] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Revised: 07/12/2019] [Accepted: 10/04/2019] [Indexed: 11/17/2022] Open
Abstract
The neural substrates and pathophysiological mechanisms underlying the onset of cognitive and motor deficits in autism spectrum disorders (ASDs) remain unclear. Mutations in ASD-associated SHANK3 in mice (Shank3B−/−) result in the accelerated maturation of corticostriatal circuits during the second and third postnatal weeks. Here, we show that during this period, there is extensive remodeling of the striatal synaptic proteome and a developmental switch in glutamatergic synaptic plasticity induced by cortical hyperactivity in striatal spiny projection neurons (SPNs). Behavioral abnormalities in Shank3B−/− mice emerge during this stage and are ameliorated by normalizing excitatory synapse connectivity in medial striatal regions by the downregulation of PKA activity. These results suggest that the abnormal postnatal development of striatal circuits is implicated in the onset of behavioral deficits in Shank3B−/− mice and that modulation of postsynaptic PKA activity can be used to regulate corticostriatal drive in developing SPNs of mouse models of ASDs and other neurodevelopmental disorders. Peixoto et al. show that the onset of behavioral deficits in Shank3B−/− mice occurs during early postnatal development and that these can be ameliorated by reducing the glutamatergic synaptic drive in medial regions of the striatum by the downregulation of PKA activity.
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Affiliation(s)
- Rui Tiago Peixoto
- Department of Psychiatry, University of Pittsburgh, 450 Technology Dr, Pittsburgh, PA 15219, USA; Howard Hughes Medical Institute, Department of Neurobiology, Harvard Medical School, 220 Longwood Ave., Boston, MA 02115, USA.
| | - Lynne Chantranupong
- Howard Hughes Medical Institute, Department of Neurobiology, Harvard Medical School, 220 Longwood Ave., Boston, MA 02115, USA
| | - Richard Hakim
- Howard Hughes Medical Institute, Department of Neurobiology, Harvard Medical School, 220 Longwood Ave., Boston, MA 02115, USA
| | - James Levasseur
- Howard Hughes Medical Institute, Department of Neurobiology, Harvard Medical School, 220 Longwood Ave., Boston, MA 02115, USA
| | - Wengang Wang
- Howard Hughes Medical Institute, Department of Neurobiology, Harvard Medical School, 220 Longwood Ave., Boston, MA 02115, USA
| | - Tasha Merchant
- Department of Psychiatry, University of Pittsburgh, 450 Technology Dr, Pittsburgh, PA 15219, USA; Howard Hughes Medical Institute, Department of Neurobiology, Harvard Medical School, 220 Longwood Ave., Boston, MA 02115, USA
| | - Kelly Gorman
- Howard Hughes Medical Institute, Department of Neurobiology, Harvard Medical School, 220 Longwood Ave., Boston, MA 02115, USA
| | - Bogdan Budnik
- Mass Spectrometry and Proteomic Laboratory, FAS Division of Science, Harvard University, 52 Oxford Street, Cambridge, MA 02138, USA
| | - Bernardo Luis Sabatini
- Howard Hughes Medical Institute, Department of Neurobiology, Harvard Medical School, 220 Longwood Ave., Boston, MA 02115, USA
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Brooks SJ, Mackenzie-Phelan R, Tully J, Schiöth HB. Review of the Neural Processes of Working Memory Training: Controlling the Impulse to Throw the Baby Out With the Bathwater. Front Psychiatry 2020; 11:512761. [PMID: 33132926 PMCID: PMC7511702 DOI: 10.3389/fpsyt.2020.512761] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Accepted: 08/24/2020] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Smartphone technology has enabled the creation of many working memory training (WMT) Apps, with those peer-reviewed described in a recent review. WMT claims to improve working memory, attention deficits, hyperactivity and fluid intelligence, in line with plasticity brain changes. Critics argue that WMT is unable to achieve "far-transfer"-the attainment of benefits to cognition from one taught context to another dissimilar context-associated with improved quality of life. However, brain changes after a course of WMT in frontoparietal and striatal circuits-that often occur prior to behavioral changes-may be a better indicator of far-transfer efficacy, especially to improve impulse control commonly dysregulated in those with addictive disorders, yet not commonly examined in WMT studies. METHOD In contrast to previous reviews, the aim here is to focus on the findings of brain imaging WMT training studies across various imaging modalities that use various paradigms, published via PubMed, Scopus, Medline, and Google Scholar. RESULTS 35 brain imaging studies utilized fMRI, structural imaging (MRI, DTI), functional connectivity, EEG, transcranial direct current stimulation (tDCS), cerebral perfusion, and neurogenetic analyses with tasks based on visuospatial and auditory working memory, dual and standard n-back. DISCUSSION Evidence suggests that repeated WMT reduces brain activation in frontoparietal and striatal networks reflective of increased neural circuitry efficiency via myelination and functional connectivity changes. Neural effects of WMT may persist months after training has ended, lead to non-trained task transfer, be strengthened by auxiliary methods such as tDCS and be related to COMT polymorphisms. WMT could be utilized as an effective, non-invasive intervention for working memory deficits to treat impulse and affective control problems in people with addictive disorders.
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Affiliation(s)
- Samantha J Brooks
- School of Psychology, Faculty of Health, Liverpool John Moores University, Liverpool, United Kingdom.,Section of Functional Pharmacology, Department of Neuroscience, Uppsala University, Uppsala, Sweden.,Neuroscience Research Laboratory (NeuRL), Department of Psychology, School of Human and Community Development, University of the Witwatersrand, Johannesburg, South Africa
| | - Rhiannon Mackenzie-Phelan
- School of Psychology, Faculty of Health, Liverpool John Moores University, Liverpool, United Kingdom
| | - Jamie Tully
- School of Psychology, Faculty of Health, Liverpool John Moores University, Liverpool, United Kingdom
| | - Helgi B Schiöth
- Section of Functional Pharmacology, Department of Neuroscience, Uppsala University, Uppsala, Sweden.,Institute for Translational Medicine and Biotechnology, Sechenov First Moscow State Medical University, Moscow, Russia
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Abstract
Advances in brain-imaging design and analysis have allowed investigators to use neural activity to predict individual choice, while emerging Internet markets have opened up new opportunities for forecasting aggregate choice. Here, we review emerging research that bridges these levels of analysis by attempting to use group neural activity to forecast aggregate choice. A survey of initial findings suggests that components of group neural activity might forecast aggregate choice, in some cases even beyond traditional behavioral measures. In addition to demonstrating the plausibility of neuroforecasting, these findings raise the possibility that not all neural processes that predict individual choice forecast aggregate choice to the same degree. We propose that although integrative choice components may confer more consistency within individuals, affective choice components may generalize more broadly across individuals to forecast aggregate choice.
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Affiliation(s)
- Brian Knutson
- Department of Psychology, Stanford University
- Brian Knutson, Stanford University, Department of Psychology, 450 Serra Mall, Building 420, Jordan Hall, Stanford, CA 94305 E-mail:
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Affiliation(s)
- Baojuan Li
- Department of Radiology, Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA; School of Biomedical Engineering, Fourth Military Medical University, Xi'an, China
| | - Maria Mody
- Department of Radiology, Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School , Charlestown, MA , USA
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Thompson JL, Urban N, Slifstein M, Xu X, Kegeles LS, Girgis RR, Beckerman Y, Harkavy-Friedman JM, Gil R, Abi-Dargham A. Striatal dopamine release in schizophrenia comorbid with substance dependence. Mol Psychiatry 2013; 18:909-15. [PMID: 22869037 DOI: 10.1038/mp.2012.109] [Citation(s) in RCA: 74] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2012] [Revised: 06/04/2012] [Accepted: 06/12/2012] [Indexed: 11/23/2022]
Abstract
Dopamine (DA) has a role in the pathophysiology of schizophrenia and addiction. Imaging studies have indicated that striatal DA release is increased in schizophrenia, predominantly in the precommissural caudate (preDCA), and blunted in addiction, mostly in the ventral striatum (VST). Therefore, we aimed to measure striatal DA release in patients with comorbid schizophrenia and substance dependence. We used [(11)C]raclopride positron emission tomography and an amphetamine challenge to measure baseline DA D2-receptor availability (BPND) and its percent change post-amphetamine (ΔBPND, to index amphetamine-induced DA release) in striatal subregions in 11 unmedicated, drug-free patients with both schizophrenia and substance dependence, and 15 healthy controls. There were no significant group differences in baseline BPND. Linear mixed modeling using ΔBPND as the dependent variable and striatal region of interest as a repeated measure indicated a significant main effect of diagnosis, F(1,24)=8.38, P=0.008, with significantly smaller ΔBPND in patients in all striatal subregions (all P ≤ 0.04) except VST. Among patients, change in positive symptoms after amphetamine was significantly associated with ΔBPND in the preDCA (rs=0.69, P=0.03) and VST (rs=0.64, P=0.05). In conclusion, patients with comorbid schizophrenia and substance dependence showed significant blunting of striatal DA release, in contrast to what has been found in schizophrenia without substance dependence. Despite this blunting, DA release was associated with the transient amphetamine-induced positive-symptom change, as observed in schizophrenia. This is the first description of a group of patients with schizophrenia who display low presynaptic DA release, yet show a psychotic reaction to increases in D2 stimulation, suggesting abnormal postsynaptic D2 function.
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Shook D, Brady C, Lee PS, Kenealy L, Murphy ER, Gaillard WD, VanMeter JW, Cook EH, Stein M, Vaidya CJ. Effect of dopamine transporter genotype on caudate volume in childhood ADHD and controls. Am J Med Genet B Neuropsychiatr Genet 2011; 156B:28-35. [PMID: 20957668 PMCID: PMC3010298 DOI: 10.1002/ajmg.b.31132] [Citation(s) in RCA: 26] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2010] [Accepted: 09/02/2010] [Indexed: 12/30/2022]
Abstract
Polymorphism of the dopamine transporter genotype (DAT1) confers a small but significant susceptibility to attention deficit hyperactivity disorder (ADHD). We examined whether the volume of the head of caudate, a striatal structure with high DAT expression that is important for inhibitory function, differs by DAT1 in children diagnosed with the disorder relative to age and IQ matched controls. Volume of the head of caudate was delineated in the right and left hemisphere and compared between 7- and 13-year-old children with and without ADHD (combined type) who were carriers of two (10/10) or one (9/10) copy of the 10-repeat DAT1 allele. Caudate volumes were overall smaller in 10/10 than 9/10 children, particularly in the left than right hemisphere. While DAT1 effects did not vary by ADHD diagnosis, overall caudate volumes were smaller in ADHD relative to control children. Altered caudate development associated with 10-repeat homozygosity of DAT1 may contribute susceptibility to ADHD.
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Affiliation(s)
- Devon Shook
- Department of Psychology, Georgetown University, Washington DC
| | - Colin Brady
- Department of Psychology, Georgetown University, Washington DC
| | - Philip S. Lee
- Department of Psychology, Georgetown University, Washington DC
| | - Laura Kenealy
- Center for Neuroscience, Children’s National Medical Center, Washington, DC
| | - Eric R. Murphy
- Department of Psychology, Georgetown University, Washington DC
| | | | - John W. VanMeter
- Center for Functional and Molecular Imaging, Georgetown University Medical Center, Washington, DC
| | - Edwin H. Cook
- Department of Psychiatry, University of Illinois at Chicago, Chicago, IL
| | - Mark Stein
- Department of Psychiatry, University of Illinois at Chicago, Chicago, IL
| | - Chandan J. Vaidya
- Department of Psychology, Georgetown University, Washington DC, Center for Neuroscience, Children’s National Medical Center, Washington, DC
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