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Bipolar differential

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https://www.readbyqxmd.com/read/28205606/differential-abnormal-pattern-of-anterior-cingulate-gyrus-activation-in-unipolar-and-bipolar-depression-an-fmri-and-pattern-classification-approach
#1
Christian Bürger, Ronny Redlich, Dominik Grotegerd, Susanne Meinert, Katharina Dohm, Ilona Schneider, Dario Zaremba, Katharina Förster, Judith Alferink, Jens Bölte, Walter Heindel, Harald Kugel, Volker Arolt, Udo Dannlowski
Distinguishing bipolar disorder from major depressive disorder is a major challenge in psychiatric treatment. Consequently, there has been growing interest in identifying neuronal biomarkers of disorder-specific pathophysiological processes to differentiate affective disorders. Thirty-six depressed bipolar patients, 36 depressed unipolar patients and 36 matched healthy controls participated in an fMRI-experiment. Emotional faces served as stimuli in a matching task. We investigated neural activation towards angry, fearful and happy faces focusing on prototypical regions related to emotion processing, ie the amygdala and the anterior cingulate gyrus (ACG)...
February 16, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28202569/local-vs-volume-conductance-activity-of-field-potentials-in-the-human-subthalamic-nucleus
#2
Odeya Marmor, Dan Valsky, Mati Joshua, Atira S Bick, David Arkadir, Idit Tamir, Hagai Bergmann, Zvi Israel, Renana Eitan
BACKGROUND: Subthalamic nucleus field potentials have attracted growing research and clinical interest over the last few decades. However, it is unclear whether subthalamic field potentials represent locally generated neuronal subthreshold activity or volume conductance of the organized neuronal activity generated in the cortex. OBJECTIVE: This study aimed at understanding of the physiological origin of subthalamic field potentials and determining the most accurate method for recording them...
February 15, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28199893/decreased-cingulate-cortex-activation-during-cognitive-control-processing-in-bipolar-disorder
#3
Staci A Gruber, M Kathryn Dahlgren, Kelly A Sagar, Atilla Gonenc, Lesley Norris, Bruce M Cohen, Dost Ongur, Kathryn E Lewandowski
BACKGROUND: Cognitive deficits are well-documented in patients with bipolar disorder (BPD) and may impact the efficacy of psychotherapy. Cognitive control, a form of executive functioning, is often used therapeutically to shift patients' thoughts and behaviors from automatic, maladaptive responses to adaptive coping strategies. This study examined cognitive control processing in patients with BPD using the Multi-Source Interference Task (MSIT). METHOD: Twenty-nine patients diagnosed with BPD and 21 healthy control (HC) subjects completed the MSIT with concurrent functional magnetic resonance imaging (fMRI)...
February 7, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28199486/gsg1-trnp1-and-tmem215-mark-subpopulations-of-bipolar-interneurons-in-the-mouse-retina
#4
Ko Uoon Park, Grace Randazzo, Kenneth L Jones, Joseph A Brzezinski
Purpose: How retinal bipolar cell interneurons are specified and assigned to specialized subtypes is only partially understood. In part, this is due to a lack of early pan- and subtype-specific bipolar cell markers. To discover these factors, we identified genes that were upregulated in Blimp1 (Prdm1) mutant retinas, which exhibit precocious bipolar cell development. Methods: Postnatal day (P)2 retinas from Blimp1 conditional knock-out (CKO) mice and controls were processed for RNA sequencing...
February 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28186315/sleep-study-in-disruptive-mood-dysregulation-disorder-and-bipolar-children
#5
Xavier Estrada-Prat, Ion Álvarez-Guerrico, María J Bleda-Hernández, Ester Camprodon-Rosanas, Santiago Batlle-Vila, Elena Pujals-Altes, María T Nascimento-Osorio, Luís M Martín-López, Enric Álvarez-Martínez, Víctor Pérez-Solá, Soledad Romero-Cela
INTRODUCTION: Decreased need for sleep has been proposed as a core symptom of mania and it has been associated with the pathogenesis of Bipolar Disorder. The emergence of Disruptive Mood Dysregulation Disorder (DMDD) as a new diagnostic has been controversial and much has been speculated about its relationship with the bipolar spectrum. REM sleep fragmentation could be a biomarker of affective disorders and it would help us to differentiate them from other disorders. METHOD: Polysomnographic cross-sectional study of children with DMDD, bipolar disorder and Attention Deficit Hyperactivity Disorder (ADHD)...
January 2017: Actas Españolas de Psiquiatría
https://www.readbyqxmd.com/read/28169089/meta-analysis-of-functional-magnetic-resonance-imaging-studies-of-timing-and-cognitive-control-in-schizophrenia-and-bipolar-disorder-evidence-of-a-primary-time-deficit
#6
REVIEW
Irene Alústiza, Joaquim Radua, Marta Pla, Raquel Martin, Felipe Ortuño
Schizophrenia (SZ) and Bipolar Disorder (BD) are associated with deficits in both timing and cognitive control functions. However, the underlying neurological dysfunctions remain poorly understood. The main goal of this study was to identify brain structures activated both by increases in cognitive activity and during timing tasks in patients with SZ and BD relative to controls. We conducted two signed differential mapping (SDM) meta-analyses of functional magnetic resonance imaging studies assessing the brain response to increasing levels of cognitive difficulty: one concerned SZ, and the other BD patients...
February 3, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28155205/a-pilot-study-to-determine-whether-combinations-of-objectively-measured-activity-parameters-can-be-used-to-differentiate-between-mixed-states-mania-and-bipolar-depression
#7
Jan Scott, Arne E Vaaler, Ole Bernt Fasmer, Gunnar Morken, Karoline Krane-Gartiser
BACKGROUND: Until recently, actigraphy studies in bipolar disorders focused on sleep rather than daytime activity in mania or depression, and have failed to analyse mixed episodes separately. Furthermore, even those studies that assessed activity parameters reported only mean levels rather than complexity or predictability of activity. We identified cases presenting in one of three acute phases of bipolar disorder and examined whether the application of non-linear dynamic models to the description of objectively measured activity can be used to predict case classification...
December 2017: International Journal of Bipolar Disorders
https://www.readbyqxmd.com/read/28153469/evaluation-of-motor-neuron-differentiation-potential-of-human-umbilical-cord-blood-derived-mesenchymal-stem-cells-in-vitro
#8
Behnam Yousefi, Davood Sanooghi, Faezeh Faghihi, Mohammad Taghi Joghataei, Nourahmad Latifi
Many people suffer from spinal cord injuries annually. These deficits usually threaten the quality of life of patients. As a postpartum medically waste product, human Umbilical Cord Blood (UCB) is a rich source of stem cells with self- renewal properties and neural differentiation capacity which made it useful in regenerative medicine. Since there is no report on potential of human umbilical cord blood-derived mesenchymal stem cells into motor neurons, we set out to evaluate the differentiation properties of these cells into motor neuron-like cells through administration of Retinoic Acid(RA), Sonic Hedgehog(Shh) and BDNF using a three- step in vitro procedure...
January 31, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28117838/early-onset-of-inflammation-during-ontogeny-of-bipolar-disorder-the-nlrp2-inflammasome-gene-distinctly-differentiates-between-patients-and-healthy-controls-in-the-transition-between-ips-cell-and-neural-stem-cell-stages
#9
D Vizlin-Hodzic, Q Zhai, S Illes, K Södersten, K Truvé, T Z Parris, P K Sobhan, S Salmela, S T Kosalai, C Kanduri, J Strandberg, H Seth, T O Bontell, E Hanse, H Ågren, K Funa
Neuro-inflammation and neuronal communication are considered as mis-regulated processes in the aetiology and pathology of bipolar disorder (BD). Which and when specific signal pathways become abnormal during the ontogeny of bipolar disorder patients is unknown. To address this question, we applied induced pluripotent stem cell (iPSC) technology followed by cortical neural differentiation on adipocyte-derived cells from BD type I patients (with psychotic episodes in psychiatric history) and healthy volunteers (controls)...
January 24, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28116264/failure-of-polyethelene-insert-locking-mechanism-after-a-posterior-stabilised-total-knee-arthroplasty-a-case-report
#10
Gurava Reddy Ay, Soundar Rajan D, Chiranjeevi T, Karthik C, Krishna Kiran E
INTRODUCTION: Disengagement of polyethylene insert used in total knee arthroplasty is a rare but serious complication. Still rarer is disengagement because of failure of tibial insert locking mechanism. We report a previously unpublished complication of polyethylene insert locking mechanism failure in a 10-months-old posterior stabilized total knee arthroplasty in a 70-year-old woman with osteoarthritis for whom Attune (Depuy) knee implant was used. CASE PRESENTATION: A 70-year-old female underwent (Attune, Depuy) primary bilateral posterior stabilised total knee arthroplasty in a private hospital...
July 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28112029/two-patterns-of-anterior-insular-cortex-functional-connectivity-in-bipolar-disorder-and-schizophrenia
#11
Jian Li, Yanqing Tang, Fay Womer, Guoguang Fan, Qian Zhou, Wenge Sun, Ke Xu, Fei Wang
OBJECTIVES: Bipolar disorder (BD) and schizophrenia (SZ) share structural abnormalities in the anterior insula cortex (AIC). The AIC appears to have a crucial role in emotional processing and regulation and cognitive control in BD and SZ. METHODS: Forty-six participants with BD, 68 with SZ and 66 healthy controls (HC) underwent functional magnetic resonance imaging scanning. Resting-state functional connectivity (rsFC) from AIC subregions (ventral and dorsal) was compared among the three groups...
January 23, 2017: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/28099138/role-of-glial-cell-line-derived-neurotrophic-factor-in-the-pathogenesis-and-treatment-of-mood-disorders
#12
Anton S Tsybko, Tatiana V Ilchibaeva, Nina K Popova
Glial cell line-derived neurotrophic factor (GDNF) is widely recognized as a survival factor for dopaminergic neurons, but GDNF has also been shown to promote development, differentiation, and protection of other central nervous system neurons and was thought to play an important role in various neuropsychiatric disorders. Severe mood disorders, such as primarily major depressive disorder and bipolar affective disorder, attract particular attention. These psychopathologies are characterized by structural alterations accompanied by the dysregulation of neuroprotective and neurotrophic signaling mechanisms required for the maturation, growth, and survival of neurons and glia...
January 18, 2017: Reviews in the Neurosciences
https://www.readbyqxmd.com/read/28095742/lithium-response-in-bipolar-disorders-and-core-clock-genes-expression
#13
Pierre A Geoffroy, Emmanuel Curis, Cindie Courtin, Jeverson Moreira, Thomas Morvillers, Bruno Etain, Jean-Louis Laplanche, Frank Bellivier, Cynthia Marie-Claire
OBJECTIVES: We examine if the lithium response is associated with changes in core clock genes expressions. METHODS: The effect of a therapeutic concentration of lithium (1mM) on the expression levels of 17 circadian genes, was examined in lymphoblastoid cell lines (LCLs) derived from two well-characterized groups of BD patients, defined as lithium non-responders (NR, n = 20) or excellent responders (ER, n = 16). Quantitative real-time PCR (qRT-PCR) were conducted at 2, 4 and 8 days (d2, d4, d8) with and without lithium exposure...
January 18, 2017: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/28093821/decreasing-rates-of-pediatric-bipolar-within-an-outpatient-practice
#14
Daniel Wesemann
PROBLEM: Pediatric bipolar disorder (PBD) prevalence is estimated to be 1-3%. Nationally and internationally, rates of PBD have increased by over 400%. However, in Iowa and at one psychiatric clinic in Iowa, from 2008-2013, there was a decrease in PBD diagnosis of 33 and 51.2% respectively. This study examined the diagnosing practices of PBD by local providers in one outpatient mental health center. METHOD: Parents completed a screening packet to differentiate between PBD and attention deficit hyperactivity disorder (ADHD) using three tools: Child Mania Rating Scale (CMRS), Child Behavior Checklist-Mania Scale (CBCL-MS), and the NICHQ Vanderbilt...
January 16, 2017: Journal of Child and Adolescent Psychiatric Nursing
https://www.readbyqxmd.com/read/28093238/a-model-of-the-mitochondrial-basis-of-bipolar-disorder
#15
REVIEW
Gerwyn Morris, Ken Walder, Sean L McGee, Olivia M Dean, Susannah J Tye, Michael Maes, Michael Berk
BACKGROUND: Bipolar disorder phenomenologically is a biphasic disorder of energy availability; increased in mania and decreased in depression. In consort, there is accumulating evidence indicating increased mitochondrial respiration and ATP production in bipolar mania which contrasts with decreased mitochondrial function in patients in the euthymic or depressive phase of the illness. Consequently, the central thesis of this paper is that bipolar disorder is due to a phasic dysregulation of mitochondrial biogenergetics...
January 14, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28070258/a-scientific-correlation-between-dystemprament-in-unani-medicine-and-diseases-a-systematic-review
#16
REVIEW
Sepideh Miraj, Sara Kiani
BACKGROUND: Temperament or mezaj refers to four different humors differentiating in individuals and, as a result, proposes specific therapy for their diseases. OBJECTIVE: The aim of this study was to overview the scientific correlation between temperaments in Unani medicine and diseases. METHODS: This study was carried out from March 2015 to February 2016. A computerized search of published articles was performed using PubMed, Google Scholar, Scopus and Web of Science, and Medline databases as well as local and regional resources between 1983 and 2014...
November 2016: Electronic Physician
https://www.readbyqxmd.com/read/28063207/lithiumeter-version-2-0
#17
Gin S Malhi, Samuel Gershon, Tim Outhred
BACKGROUND: The Lithiumeter was developed as a visual and practical guide for determining lithium levels in the management of bipolar disorder (BD). It appears to have been well received, as evidenced by its increasing popularity amongst doctors as a deskside clinical aide, and adoption and reproduction of the schematic in clinical guidelines and texts. However, since its publication 5 years ago, key basic neuroscience and clinical research developments pertaining to lithium have significantly advanced our understanding, necessitating further refinement of guidance concerning the practicalities of lithium therapy...
December 2016: Bipolar Disorders
https://www.readbyqxmd.com/read/28051268/immunoregulatory-effect-of-neuronal-like-cells-in-inducting-differentiation-of-bone-marrow-mesenchymal-stem-cells
#18
J Xu, H Lu, Z-N Miao, W-J Wu, Y -Z Jiang, F Ge, W-F Fang, A-H Zhu, G Chen, J-H Zhou, Y-Z Lu, Z-F Tang, Y Wang
OBJECTIVE: To evaluate the immune activity of bone marrow mesenchymal stem cells (BMSCs), and explore the biological characteristics and capabilities of BMSCs and the potential to be differentiated into neuronal cells in vitro. MATERIALS AND METHODS: The BMSCs were isolated and proliferated in vitro to generate the xenogeneic mixed lymphocyte reaction. Moreover, peripheral BMSCs (pBMSCs) were added according to different ratios, which methods were stated as follows: 1: Dulbecco's Modified Eagle Medium (DMEM) + 10% Fetal Bovine Serum (FBS) + 1 μmol/L all-trans-retinoic acid (ATRA) + 20 μg/L basic fibroblast growth factor (bFGF) + 20 μg/L epidermal growth factor (EGF); 2: DMEM + 2% dimethyl sulfoxide (DMSO) + 100 μmol/L butylated hydroxyanisole (BHA)...
December 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28049086/structural-and-metabolic-differentiation-between-bipolar-disorder-with-psychosis-and-substance-induced-psychosis-an-integrated-mri-pet-study
#19
A C Altamura, G Delvecchio, G Marotta, L Oldani, A Pigoni, V Ciappolino, E Caletti, C Rovera, C Dobrea, C Arici, B Benatti, G Camuri, C Prunas, R A Paoli, B Dell'osso, C Cinnante, F M Triulzi, P Brambilla
BACKGROUND: Bipolar disorder (BD) may be characterized by the presence of psychotic symptoms and comorbid substance abuse. In this context, structural and metabolic dysfunctions have been reported in both BD with psychosis and addiction, separately. In this study, we aimed at identifying neural substrates differentiating psychotic BD, with or without substance abuse, versus substance-induced psychosis (SIP) by coupling, for the first time, magnetic resonance imaging (MRI) and positron emission tomography (PET)...
December 30, 2016: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/28045094/building-a-genetic-risk-model-for-bipolar-disorder-from-genome-wide-association-data-with-random-forest-algorithm
#20
Li-Chung Chuang, Po-Hsiu Kuo
A genetic risk score could be beneficial in assisting clinical diagnosis for complex diseases with high heritability. With large-scale genome-wide association (GWA) data, the current study constructed a genetic risk model with a machine learning approach for bipolar disorder (BPD). The GWA dataset of BPD from the Genetic Association Information Network was used as the training data for model construction, and the Systematic Treatment Enhancement Program (STEP) GWA data were used as the validation dataset. A random forest algorithm was applied for pre-filtered markers, and variable importance indices were assessed...
January 3, 2017: Scientific Reports
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