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https://www.readbyqxmd.com/read/28340442/neurocognitive-performance-as-an-endophenotype-for-mood-disorder-subgroups
#1
Alison K Merikangas, Lihong Cui, Monica E Calkins, Tyler M Moore, Ruben C Gur, Raquel E Gur, Kathleen R Merikangas
BACKGROUND: There is growing evidence that neurocognitive function may be an endophenotype for mood disorders. The goal of this study is to examine the specificity and familiality of neurocognitive functioning across the full range of mood disorder subgroups, including Bipolar I (BP-I), Bipolar II (BP-II), Major Depressive Disorders (MDD), and controls in a community-based family study. METHODS: A total of 310 participants from 137 families with mood spectrum disorders (n=151) and controls (n=159) completed the University of Pennsylvania's Computerized Neurocognitive Battery (CNB) that assessed the accuracy and speed of task performance across five domains...
March 10, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28327444/unblending-borderline-personality-and-bipolar-disorders
#2
Ester di Giacomo, Flora Aspesi, Maria Fotiadou, Arnoud Arntz, Eugenio Aguglia, Lavinia Barone, Silvio Bellino, Bernardo Carpiniello, Fabrizia Colmegna, Marina Lazzari, Liliana Lorettu, Federica Pinna, Aldo Sicaro, Maria Salvina Signorelli, Massimo Clerici
Borderline Personality (BPD) and Bipolar (BP) disorders stimulate an academic debate between their distinction and the inclusion of Borderline in the Bipolar spectrum. Opponents to this inclusion attribute the important differences and possible diagnostic incomprehension to overlapping symptoms. We tested 248 Borderline and 113 Bipolar patients, consecutively admitted to the Psychiatric Unit, through DSM-IV Axis I and II Disorders (SCID-I/II), Hamilton Depression Rating Scale (HAM-D), Hamilton Anxiety Rating Scale (HAM-A), Young Mania Rating Scale (YMRS) and Borderline Personality Disorder Severity Index-IV (BPDSI-IV)...
March 7, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28321642/circadian-rhythm-dysregulation-in-bipolar-spectrum-disorders
#3
REVIEW
Lauren B Alloy, Tommy H Ng, Madison K Titone, Elaine M Boland
PURPOSE OF REVIEW: We review recent evidence for circadian rhythm dysregulation in bipolar spectrum disorders (BSDs). We examine evidence for endogenous abnormalities in the biological clock and disruptions in the external entrainment of circadian rhythms in BSDs. We also address whether circadian dysregulation provides vulnerability to onset of BSD and evidence for a new integration of reward and circadian dysregulation in BSD. RECENT FINDINGS: Relative circadian phase delay (e...
April 2017: Current Psychiatry Reports
https://www.readbyqxmd.com/read/28321286/crispr-cas9-mediated-heterozygous-knockout-of-the-autism-gene-chd8-and-characterization-of-its-transcriptional-networks-in-cerebral-organoids-derived-from-ips-cells
#4
Ping Wang, Ryan Mokhtari, Erika Pedrosa, Michael Kirschenbaum, Can Bayrak, Deyou Zheng, Herbert M Lachman
BACKGROUND: CHD8 (chromodomain helicase DNA-binding protein 8), which codes for a member of the CHD family of ATP-dependent chromatin-remodeling factors, is one of the most commonly mutated genes in autism spectrum disorders (ASD) identified in exome-sequencing studies. Loss of function mutations in the gene have also been found in schizophrenia (SZ) and intellectual disabilities and influence cancer cell proliferation. We previously reported an RNA-seq analysis carried out on neural progenitor cells (NPCs) and monolayer neurons derived from induced pluripotent stem (iPS) cells that were heterozygous for CHD8 knockout (KO) alleles generated using CRISPR-Cas9 gene editing...
2017: Molecular Autism
https://www.readbyqxmd.com/read/28320224/identification-of-common-neural-circuit-disruptions-in-cognitive-control-across-psychiatric-disorders
#5
Lisa M McTeague, Julia Huemer, David M Carreon, Ying Jiang, Simon B Eickhoff, Amit Etkin
OBJECTIVE: Cognitive deficits are a common feature of psychiatric disorders. The authors investigated the nature of disruptions in neural circuitry underlying cognitive control capacities across psychiatric disorders through a transdiagnostic neuroimaging meta-analysis. METHOD: A PubMed search was conducted for whole-brain functional neuroimaging articles published through June 2015 that compared activation in patients with axis I disorders and matched healthy control participants during cognitive control tasks...
March 21, 2017: American Journal of Psychiatry
https://www.readbyqxmd.com/read/28318493/-bipolar-disorders-in-oncology-characteristics-and-management
#6
Michel Reich, Nuria Kotecki
Bipolar disorders belong to the spectrum of mood disorders and represent a serious psychiatric comorbidity. Behaviors adopted by bipolar patients can foster cancer occurrence but also impact its management, especially during acute depressive or manic episode. Oncologists must adapt their protocols in order to obtain the best compliance for treatment and avoid any possible mood destabilization, with the inherent risk of suicidal attempt. Potential interactions between mood-stabilizing agents (lithium, divalproate, atypical antipsychotics, and anticonvulsivants) and oncologic treatment (chemotherapy, targeted therapy, immunotherapy, corticotherapy) will be particularly watched...
March 15, 2017: Bulletin du Cancer
https://www.readbyqxmd.com/read/28294459/identifying-dynamic-functional-connectivity-biomarkers-using-gig-ica-application-to-schizophrenia-schizoaffective-disorder-and-psychotic-bipolar-disorder
#7
Yuhui Du, Godfrey D Pearlson, Dongdong Lin, Jing Sui, Jiayu Chen, Mustafa Salman, Carol A Tamminga, Elena I Ivleva, John A Sweeney, Matcheri S Keshavan, Brett A Clementz, Juan Bustillo, Vince D Calhoun
Functional magnetic resonance imaging (fMRI) studies have shown altered brain dynamic functional connectivity (DFC) in mental disorders. Here, we aim to explore DFC across a spectrum of symptomatically-related disorders including bipolar disorder with psychosis (BPP), schizoaffective disorder (SAD), and schizophrenia (SZ). We introduce a group information guided independent component analysis procedure to estimate both group-level and subject-specific connectivity states from DFC. Using resting-state fMRI data of 238 healthy controls (HCs), 140 BPP, 132 SAD, and 113 SZ patients, we identified measures differentiating groups from the whole-brain DFC and traditional static functional connectivity (SFC), separately...
March 10, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28289475/combined-genome-wide-linkage-and-targeted-association-analysis-of-head-circumference-in-autism-spectrum-disorder-families
#8
M Woodbury-Smith, D A Bilder, J Morgan, L Jerominski, T Darlington, T Dyer, A D Paterson, H Coon
BACKGROUND: It has long been recognized that there is an association between enlarged head circumference (HC) and autism spectrum disorder (ASD), but the genetics of HC in ASD is not well understood. In order to investigate the genetic underpinning of HC in ASD, we undertook a genome-wide linkage study of HC followed by linkage signal targeted association among a sample of 67 extended pedigrees with ASD. METHODS: HC measurements on members of 67 multiplex ASD extended pedigrees were used as a quantitative trait in a genome-wide linkage analysis...
2017: Journal of Neurodevelopmental Disorders
https://www.readbyqxmd.com/read/28285208/predictors-of-tobacco-abstinence-in-outpatient-smokers-with-schizophrenia-or-bipolar-disorder-treated-with-varenicline-and-cognitive-behavioral-smoking-cessation-therapy
#9
Randi M Schuster, Corinne Cather, Gladys N Pachas, Haiyue Zhang, Kristina M Cieslak, Susanne S Hoeppner, David Schoenfeld, A Eden Evins
BACKGROUND: The estimated mortality gap between those with and without serious mental illness (SMI) is increasing, now estimated at 28years, which is largely due to smoking-related diseases. AIMS: We sought to identify predictors of 14-day continuous abstinence in stable outpatient smokers with SMI. METHOD: Adult smokers with schizophrenia spectrum (n=130) or bipolar disorder (n=23) were enrolled in a 12-week course of varenicline and cognitive-behavioral therapy for smoking cessation...
February 24, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28278600/parenting-stress-among-caregivers-of-children-with-bipolar-spectrum-disorders
#10
Guillermo Perez Algorta, Heather A MacPherson, Eric A Youngstrom, Caroline C Belt, L Eugene Arnold, Thomas W Frazier, H Gerry Taylor, Boris Birmaher, Sarah McCue Horwitz, Robert L Findling, Mary A Fristad
Caregivers of psychiatrically impaired children experience considerable parenting stress. However, no research has evaluated parenting stress within the context of pediatric bipolar spectrum disorders (BPSD). Thus, the aim of this investigation was to identify predictors and moderators of stress among caregivers in the Longitudinal Assessment of Manic Symptoms study. Participants included 640 children and their caregivers in the Longitudinal Assessment of Manic Symptoms cohort. Children had a mean age of 9...
February 26, 2017: Journal of Clinical Child and Adolescent Psychology
https://www.readbyqxmd.com/read/28277568/neurodevelopmental-perspectives-on-wnt-signaling-in-psychiatry
#11
REVIEW
Kimberly A Mulligan, Benjamin N R Cheyette
Mounting evidence indicates that Wnt signaling is relevant to pathophysiology of diverse mental illnesses including schizophrenia, bipolar disorder, and autism spectrum disorder. In the 35 years since Wnt ligands were first described, animal studies have richly explored how downstream Wnt signaling pathways affect an array of neurodevelopmental processes and how their disruption can lead to both neurological and behavioral phenotypes. Recently, human induced pluripotent stem cell (hiPSC) models have begun to contribute to this literature while pushing it in increasingly translational directions...
February 2017: Molecular Neuropsychiatry
https://www.readbyqxmd.com/read/28277566/positive-traits-in-the-bipolar-spectrum-the-space-between-madness-and-genius
#12
REVIEW
Tiffany A Greenwood
Bipolar disorder is a severe, lifelong mood disorder for which little is currently understood of the genetic mechanisms underlying risk. By examining related dimensional phenotypes, we may further our understanding of the disorder. Creativity has a historical connection with the bipolar spectrum and is particularly enhanced among unaffected first-degree relatives and those with bipolar spectrum traits. This suggests that some aspects of the bipolar spectrum may confer advantages, while more severe expressions of symptoms negatively influence creative accomplishment...
February 2017: Molecular Neuropsychiatry
https://www.readbyqxmd.com/read/28274298/treatment-decision-making-capacity-in-non-consensual-psychiatric-treatment-a-multicentre-study
#13
G Mandarelli, F Carabellese, G Parmigiani, F Bernardini, L Pauselli, R Quartesan, R Catanesi, S Ferracuti
AIMS: To evaluate treatment decision-making capacity (DMC) to consent to psychiatric treatment in involuntarily committed patients and to further investigate possible associations with clinical and socio-demographic characteristics of patients. METHODS: 131 involuntarily hospitalised patients were recruited in three university hospitals. Mental capacity to consent to treatment was measured with the MacArthur Competence Assessment Tool for Treatment (MacCAT-T); psychiatric symptoms severity (Brief Psychiatric Rating Scale, BPRS-E) and cognitive functioning (Mini Mental State Examination, MMSE) were also assessed...
March 9, 2017: Epidemiology and Psychiatric Sciences
https://www.readbyqxmd.com/read/28266563/quantification-of-free-living-activity-patterns-using-accelerometry-in-adults-with-mental-illness
#14
Justin J Chapman, James A Roberts, Vinh T Nguyen, Michael Breakspear
Physical activity is disrupted in many psychiatric disorders. Advances in everyday technologies - such as accelerometers in smart phones - opens exciting possibilities for non-intrusive acquisition of activity data. Successful exploitation of this opportunity requires the validation of analytical methods that can capture the full movement spectrum. The study aim was to demonstrate an analytical approach to characterise accelerometer-derived activity patterns. Here, we use statistical methods to characterize accelerometer-derived activity patterns from a heterogeneous sample of 99 community-based adults with mental illnesses...
March 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28264500/geneanalytics-pathway-analysis-and-genetic-overlap-among-autism-spectrum-disorder-bipolar-disorder-and-schizophrenia
#15
Naveen S Khanzada, Merlin G Butler, Ann M Manzardo
Bipolar disorder (BPD) and schizophrenia (SCH) show similar neuropsychiatric behavioral disturbances, including impaired social interaction and communication, seen in autism spectrum disorder (ASD) with multiple overlapping genetic and environmental influences implicated in risk and course of illness. GeneAnalytics software was used for pathway analysis and genetic profiling to characterize common susceptibility genes obtained from published lists for ASD (792 genes), BPD (290 genes) and SCH (560 genes). Rank scores were derived from the number and nature of overlapping genes, gene-disease association, tissue specificity and gene functions subdivided into categories (e...
February 28, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28262175/a-qualititative-study-of-neurological-soft-signs-in-obsessive-compulsive-disorder-and-effect-of-comorbid-psychotic-spectrum-disorders-and-familiality-on-its-expression-in-indian-population
#16
Dr Sonia Malhotra, Dr Pankaj B Borade, Dr Pradeep Sharma, Dr Yogesh Satija, Dr Gunjan
INTRODUCTION: Obsessive Compulsive Disorder (OCD) is one of the most common psychiatric disorders, with lifetime prevalence of 2%-3% and is known to lie on a spectrum continuous with Schizophrenia and other affective psychosis. Neurological Soft Signs (NSS) have been reported to be higher in both Schizophrenia and affective psychosis, like bipolar disorder, and their first degree relatives but in OCD, the results have been inconsistent. It remains unclear if NSS occur at even higher rates in individuals who have a co-morbidity for OCD and either schizophrenia or bipolar disorder, as it might be expected if a broader neurodevelopmental hit underlies the pathophysiology of both OCD and these disorders...
February 2017: Asian Journal of Psychiatry
https://www.readbyqxmd.com/read/28255461/dynamic-control-of-synaptic-adhesion-and-organizing-molecules-in-synaptic-plasticity
#17
REVIEW
Gabby Rudenko
Synapses play a critical role in establishing and maintaining neural circuits, permitting targeted information transfer throughout the brain. A large portfolio of synaptic adhesion/organizing molecules (SAMs) exists in the mammalian brain involved in synapse development and maintenance. SAMs bind protein partners, forming trans-complexes spanning the synaptic cleft or cis-complexes attached to the same synaptic membrane. SAMs play key roles in cell adhesion and in organizing protein interaction networks; they can also provide mechanisms of recognition, generate scaffolds onto which partners can dock, and likely take part in signaling processes as well...
2017: Neural Plasticity
https://www.readbyqxmd.com/read/28247268/lithium-in-the-episode-and-suicide-prophylaxis-and-in-augmenting-strategies-in-patients-with-unipolar-depression
#18
REVIEW
Mohammed T Abou-Saleh, Bruno Müller-Oerlinghausen, Alec J Coppen
BACKGROUND: Depressive disorders are a leading cause of the global burden of disease and are associated with high recurrent often continuing morbidity and high excess mortality by suicide and cardiovascular disease. Whilst there are established, effective and cost-effective treatments for depression, their long-term management is often neglected: there is continuing controversy over the case of need for long-term treatment including lifelong treatment and safety issues. OBJECTIVE AND METHODS: In this narrative review, we critically examine the evidence for the effectiveness and safety of lithium salts in the long-term management of unipolar depression...
December 2017: International Journal of Bipolar Disorders
https://www.readbyqxmd.com/read/28246138/association-between-bipolar-spectrum-disorder-and-bone-health-a-meta-analysis-and-systematic-review-protocol
#19
Vinoomika Chandrasekaran, Sharon L Brennan-Olsen, Amanda L Stuart, Julie A Pasco, Michael Berk, Jason M Hodge, Lana J Williams
INTRODUCTION: Bipolar spectrum disorder is a chronic, episodic illness, associated with significant personal, social and economic burden. It is estimated to affect ∼2.4% of the population worldwide and is commonly associated with psychological and/or physiological comorbidities. Osteoporosis is one such comorbidity, a disease of bone that is asymptomatic until a fracture occurs. This systematic review attempts to capture, collate, assess and discuss the literature investigating the association between bipolar spectrum disorder and bone health...
February 28, 2017: BMJ Open
https://www.readbyqxmd.com/read/28241891/characterizing-cognitive-heterogeneity-on-the-schizophrenia-bipolar-disorder-spectrum
#20
T E Van Rheenen, K E Lewandowski, E J Tan, L H Ospina, D Ongur, E Neill, C Gurvich, C Pantelis, A K Malhotra, S L Rossell, K E Burdick
BACKGROUND: Current group-average analysis suggests quantitative but not qualitative cognitive differences between schizophrenia (SZ) and bipolar disorder (BD). There is increasing recognition that cognitive within-group heterogeneity exists in both disorders, but it remains unclear as to whether between-group comparisons of performance in cognitive subgroups emerging from within each of these nosological categories uphold group-average findings. We addressed this by identifying cognitive subgroups in large samples of SZ and BD patients independently, and comparing their cognitive profiles...
February 28, 2017: Psychological Medicine
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