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https://www.readbyqxmd.com/read/28938233/no-apparent-association-between-bipolar-disorder-and-cancer-in-a-large-epidemiological-study-of-outpatients-in-a-managed-care-population
#1
Natan R Kahan, Barbara Silverman, Irena Liphshitz, Dan-Andrei Waitman, Itzhak Ben-Zion, Alexander M Ponizovsky, Abraham Weizman, Alexander Grinshpoon
An association between bipolar disorder (BD) and cancer risk has been reported. The purpose of this study was to investigate this association through linkage analysis of a national HMO database and a national cancer registry. All members of the Leumit Health Services (LHS) HMO of Israel from 2000 to 2012 were included. Members with a recorded diagnosis of BD and a record of at least one written or dispensed prescription for pharmacotherapy for treatment of BD were classified as patients with BD. We linked the LHS population with the Israel National Cancer Registry database to capture all cases of cancer reported...
September 21, 2017: International Clinical Psychopharmacology
https://www.readbyqxmd.com/read/28936366/constitutive-and-stress-induced-expression-of-ccl5-machinery-in-rodent-retina
#2
D'Anne S Duncan, William M McLaughlin, Noah Vasilakes, Franklin D Echevarria, Cathryn R Formichella, Rebecca M Sappington
Signaling by inflammatory cytokines and chemokines is associated with neurodegeneration in disease and injury. Here we examined expression of the β-chemokine CCL5 and its receptors in the mouse retina and evaluated its relevance in glaucoma, a common optic neuropathy associated with sensitivity to intraocular pressure (IOP). Using quantitative PCR, fluorescent in situ hybridization, immunohistochemistry and quantitative image analysis, we found CCL5 mRNA and protein was constitutively expressed in the inner retina and synaptic layers...
June 2017: Journal of Clinical & Cellular Immunology
https://www.readbyqxmd.com/read/28932681/assessing-neural-tuning-for-object-perception-in-schizophrenia-and-bipolar-disorder-with-multivariate-pattern-analysis-of-fmri-data
#3
Eric A Reavis, Junghee Lee, Jonathan K Wynn, Stephen A Engel, Mark S Cohen, Keith H Nuechterlein, David C Glahn, Lori L Altshuler, Michael F Green
INTRODUCTION: Deficits in visual perception are well-established in schizophrenia and are linked to abnormal activity in the lateral occipital complex (LOC). Related deficits may exist in bipolar disorder. LOC contains neurons tuned to object features. It is unknown whether neural tuning in LOC or other visual areas is abnormal in patients, contributing to abnormal perception during visual tasks. This study used multivariate pattern analysis (MVPA) to investigate perceptual tuning for objects in schizophrenia and bipolar disorder...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28901625/systemic-challenges-in-bipolar-disorder-management-a-patient-centered-approach
#4
Anastasiya Nestsiarovich, Nathaniel G Hurwitz, Stuart J Nelson, Annette S Crisanti, Berit Kerner, Matt J Kuntz, Alicia N Smith, Emma Volesky, Quentin L Schroeter, Jason L DeShaw, S Stanley Young, Robert L Obenchain, Ronald L Krall, Kimmie Jordan, Jan Fawcett, Mauricio Tohen, Douglas J Perkins, Christophe G Lambert
OBJECTIVES: As part of a series of Patient-Centered Outcomes Research Institute-funded large-scale retrospective observational studies on bipolar disorder (BD) treatments and outcomes, we sought the input of patients with BD and their family members to develop research questions. We aimed to identify systemic root causes of patient-reported challenges with BD management in order to guide subsequent studies and initiatives. METHODS: Three focus groups were conducted where patients and their family members (total n = 34) formulated questions around the central theme, "What do you wish you had known in advance or over the course of treatment for BD?" In an affinity mapping exercise, participants clustered their questions and ranked the resulting categories by importance...
September 13, 2017: Bipolar Disorders
https://www.readbyqxmd.com/read/28887361/technical-considerations-on-phase-mapping-for-identification-of-atrial-reentrant-activity-in-direct-and-inverse-computed-electrograms
#5
Miguel Rodrigo, Andreu M Climent, Alejandro Liberos, Francisco Fernández-Avilés, Omer Berenfeld, Felipe Atienza, Maria S Guillem
BACKGROUND: Phase mapping has become a broadly used technique to identify atrial reentrant circuits for ablative therapy guidance. This work studies the phase mapping process and how the signal nature and its filtering affect the reentrant pattern characterization in electrogram (EGM), body surface potential mapping, and electrocardiographic imaging signals. METHODS AND RESULTS: EGM, body surface potential mapping, and electrocardiographic imaging phase maps were obtained from 17 simulations of atrial fibrillation, atrial flutter, and focal atrial tachycardia...
September 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28882405/efficacy-of-quetiapine-xr-vs-placebo-as-concomitant-treatment-to-mood-stabilizers-in-the-control-of-subthreshold-symptoms-of-bipolar-disorder-results-from-a-pilot-randomized-controlled-trial
#6
Marina Garriga, Eva Solé, Ana González-Pinto, Gabriel Selva-Vera, Belén Arranz, Benedikt L Amann, Jerónimo Saiz-Ruiz, Josefina Pérez-Blanco, Eduard Vieta
Patients with bipolar disorder (BD) do not always achieve full remission between episodes. Subthreshold symptoms (depressive, manic or mixed) represent a major cause of relapse and disability in these patients. Immediate release (IR) and extended release (XR) formulations of quetiapine are both indicated for short and long-term treatment of BD. The aim of this study was to evaluate the efficacy of quetiapine XR vs placebo in subthreshold symptomatology when added to previous mood stabilizer treatment. A pilot phase IIIB, multicentre, prospective, placebo controlled, randomized, double blinded study of 12 weeks follow-up was performed (NCT01197846)...
September 4, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28865240/electropermeabilization-by-uni-or-bipolar-nanosecond-electric-pulses-the-impact-of-extracellular-conductivity
#7
Elena C Gianulis, Maura Casciola, Shu Xiao, Olga N Pakhomova, Andrei G Pakhomov
Cellular effects caused by nanosecond electric pulses (nsEP) can be reduced by an electric field reversal, a phenomenon known as bipolar cancellation. The reason for this cancellation effect remains unknown. We hypothesized that assisted membrane discharge is the mechanism for bipolar cancellation. CHO-K1 cells bathed in high (16.1mS/cm; HCS) or low (1.8mS/cm; LCS) conductivity solutions were exposed to either one unipolar (300-ns) or two opposite polarity (300+300-ns; bipolar) nsEP (4-40kV/cm) with increasing interpulse intervals (0...
August 25, 2017: Bioelectrochemistry
https://www.readbyqxmd.com/read/28863299/sensory-profiles-as-potential-mediators-of-the-association-between-hypomania-and-hopelessness-in-488-major-affective-outpatients
#8
Batya Engel-Yeger, Xenia Gonda, Giovanna Canepa, Maurizio Pompili, Zoltan Rihmer, Mario Amore, Gianluca Serafini
INTRODUCTION: Extreme sensory processing patterns may contribute to the pathophysiology of major affective disorders. We aimed to examine whether significant correlations exist between sensory profiles, hypomania, self-reported depression, and hopelessness and whether sensory profiles may be potential mediators of the association between hypomania and depression/hopelessness. METHODS: The sample consisted of 488 euthymic affective disorder patients of which 283 diagnosed with unipolar and 162 with bipolar disorder with an age ranging from 18 to 65 years (mean = 47...
August 18, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28854847/rna-sequencing-of-bipolar-disorder-lymphoblastoid-cell-lines-implicates-the-neurotrophic-factor-hrp-3-in-lithium-s-clinical-efficacy
#9
Elena Milanesi, Irena Voinsky, Adva Hadar, Ala Srouji, Carlo Maj, Tatyana Shekhtman, Michael Gershovits, Shlomit Gilad, Caterina Chillotti, Alessio Squassina, James B Potash, Thomas G Schulze, Fernando Goes, Peter Zandi, John R Kelsoe, David Gurwitz
OBJECTIVES: Lithium remains the oldest and most effective treatment for mood stabilization in bipolar disorder (BD) even though at least half of patients are only partially responsive or do not respond. This study aimed to identify biomarkers associated with lithium response in BD, based on comparing RNA-sequencing information derived from lymphoblastoid cell lines (LCLs) of lithium responsive (LR) vs. lithium non-responsive (LNR) BD patients, to assess gene expression variations that might bear on treatment outcome...
August 31, 2017: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/28844560/physical-activity-is-associated-with-the-physical-psychological-social-and-environmental-quality-of-life-in-people-with-mental-health-problems-in-a-low-resource-setting
#10
Davy Vancampfort, Tine Van Damme, Michel Probst, Joseph Firth, Brendon Stubbs, David Basangwa, James Mugisha
There is a growing recognition of the importance of encouraging patients with mental health problems to become more active as an efficacious strategy to reduce the disability-associated burden. The aim of the current study was to investigate if there are differences in quality of life (QoL) outcomes between people with mental health problems that do and do not meet the recommendations of 150min per week of physical activity. 109 (36♀) Ugandan in- and outpatients (mean age = 34.2 ± 10.2 years) (depression = 7, bipolar disorder = 31, schizophrenia = 21, alcohol use disorder = 50) completed the Physical Activity Vital Sign (PAVS) method and World Health Organization Quality of Life Assessment brief version...
August 19, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28843917/subjective-versus-objective-evening-chronotypes-in-bipolar-disorder
#11
Anda Gershon, Christopher N Kaufmann, Colin A Depp, Shefali Miller, Dennis Do, Jamie M Zeitzer, Terence A Ketter
BACKGROUND: Disturbed sleep timing is common in bipolar disorder (BD). However, most research is based upon self-reports. We examined relationships between subjective versus objective assessments of sleep timing in BD patients versus controls. METHODS: We studied 61 individuals with bipolar I or II disorder and 61 healthy controls. Structured clinical interviews assessed psychiatric diagnoses, and clinician-administered scales assessed current mood symptom severity...
August 18, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28841488/longitudinal-relationship-between-clinical-course-and-neurocognitive-impairments-in-bipolar-disorder
#12
Diego J Martino, Ana Igoa, Eliana Marengo, María Scápola, Sergio A Strejilevich
BACKGROUND: The aim of this study was to estimate the relationship between clinical course and trajectory of neurocognitive functioning during a follow-up period in a sample of euthymic bipolar patients. METHODS: Fifty-one patients with BD performed two-neurocognitive assessment separated by a period of at least 48 months. The clinical course during the follow-up period was documented by: three measures 1) number of affective episodes, 2) time spent ill, and 3) mood instability...
August 18, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28829770/combinatorial-regulation-of-a-blimp1-prdm1-enhancer-in-the-mouse-retina
#13
Taylor S Mills, Tatiana Eliseeva, Stephanie M Bersie, Grace Randazzo, Jhenya Nahreini, Ko Uoon Park, Joseph A Brzezinski
The mouse retina comprises seven major cell types that exist in differing proportions. They are generated from multipotent progenitors in a stochastic manner, such that the relative frequency of any given type generated changes over time. The mechanisms determining the proportions of each cell type are only partially understood. Photoreceptors and bipolar interneurons are derived from cells that express Otx2. Within this population, Blimp1 (Prdm1) helps set the balance between photoreceptors and bipolar cells by suppressing bipolar identity in most of the cells...
2017: PloS One
https://www.readbyqxmd.com/read/28822681/firearm-storage-practices-in-households-of-adolescents-with-and-without-mental-illness
#14
Joseph A Simonetti, Mary Kay Theis, Ali Rowhani-Rahbar, Evette J Ludman, David C Grossman
PURPOSE: Safe firearm storage practices are associated with a lower risk of self-inflicted injury and death. Whether such practices and relevant beliefs differ between households of adolescents with and without mental illness is unknown. METHODS: We used survey and administrative data to perform a two-stage cross-sectional study of parents/guardians of adolescents who were 11-17 years, enrolled in a managed care plan in 2004 and living in a household with a firearm...
August 16, 2017: Journal of Adolescent Health: Official Publication of the Society for Adolescent Medicine
https://www.readbyqxmd.com/read/28809398/precision-medicine-for-suicidality-from-universality-to-subtypes-and-personalization
#15
A B Niculescu, H Le-Niculescu, D F Levey, P L Phalen, H L Dainton, K Roseberry, E M Niculescu, J O Niezer, A Williams, D L Graham, T J Jones, V Venugopal, A Ballew, M Yard, T Gelbart, S M Kurian, A Shekhar, N J Schork, G E Sandusky, D R Salomon
Suicide remains a clear, present and increasing public health problem, despite being a potentially preventable tragedy. Its incidence is particularly high in people with overt or un(der)diagnosed psychiatric disorders. Objective and precise identification of individuals at risk, ways of monitoring response to treatments and novel preventive therapeutics need to be discovered, employed and widely deployed. We sought to investigate whether blood gene expression biomarkers for suicide (that is, a 'liquid biopsy' approach) can be identified that are more universal in nature, working across psychiatric diagnoses and genders, using larger cohorts than in previous studies...
September 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28772145/lithium-monotherapy-associated-clinical-improvement-effects-on-amygdala-ventromedial-prefrontal-cortex-resting-state-connectivity-in-bipolar-disorder
#16
Murat Altinay, Harish Karne, Amit Anand
BACKGROUND: This study, for the first time, investigated lithium monotherapy associated effects on amygdala- ventromedial prefrontal cortex (vMPFC) resting-state functional connectivity and correlation with clinical improvement in bipolar disorder (BP) METHODS: Thirty-six medication-free subjects - 24 BP (12 hypomanic BPM) and 12 depressed (BPD)) and 12 closely matched healthy controls (HC), were included. BP subjects were treated with lithium and scanned at baseline, after 2 weeks and 8 weeks...
June 27, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28764396/atypical-transistor-based-chaotic-oscillators-design-realization-and-diversity
#17
Ludovico Minati, Mattia Frasca, Paweł Oświȩcimka, Luca Faes, Stanisław Drożdż
In this paper, we show that novel autonomous chaotic oscillators based on one or two bipolar junction transistors and a limited number of passive components can be obtained via random search with suitable heuristics. Chaos is a pervasive occurrence in these circuits, particularly after manual adjustment of a variable resistor placed in series with the supply voltage source. Following this approach, 49 unique circuits generating chaotic signals when physically realized were designed, representing the largest collection of circuits of this kind to date...
July 2017: Chaos
https://www.readbyqxmd.com/read/28763060/bace1-inhibition-by-microdose-lithium-formulation-np03-rescues-memory-loss-and-early-stage-amyloid-neuropathology
#18
E N Wilson, S Do Carmo, M F Iulita, H Hall, A Ducatenzeiler, A R Marks, S Allard, D T Jia, J Windheim, A C Cuello
Lithium is first-line therapy for bipolar affective disorder and has recently been shown to have protective effects in populations at risk for Alzheimer's disease (AD). However, the mechanism underlying this protection is poorly understood and consequently limits its possible therapeutic application in AD. Moreover, conventional lithium formulations have a narrow therapeutic window and are associated with a severe side effect profile. Here we evaluated a novel microdose formulation of lithium, coded NP03, in a well-characterized rat model of progressive AD-like amyloid pathology...
August 1, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28762663/impact-of-monopolar-turp-bipolar-turp-and-photoselective-vaporization-of-prostate-for-enlarged-prostate-on-erectile-function
#19
Pawan Vasudeva, Niraj Kumar, Anup Kumar, Gaurav Kumar, Mikir Patel, Pankaj Gupta
OBJECTIVES: To compare monopolar transurethral resection of the prostate (TURP), bipolar TURP and photoselective vaporization of the prostate (PVP) by 120-W GreenLight laser with regard to the impact on International Index of Erectile Function (IIEF)-5 score in patients presenting with lower urinary tract symptoms (LUTS) secondary to prostate >80 mL. METHODS: Between April 2012 and March 2015, 110 patients who satisfied eligibility criteria were divided into three groups according to surgical modality adopted to treat benign prostatic enlargement...
August 1, 2017: Lower Urinary Tract Symptoms
https://www.readbyqxmd.com/read/28749089/cognitive-deficits-in-patients-with-neuropsychiatric-symptoms-a-comparative-study-between-behavioral-variant-frontotemporal-dementia-and-primary-psychiatric-disorders
#20
Everard G B Vijverberg, Sigfried Schouws, Paul David Meesters, Esmée Verwijk, Hannie Comijs, Ted Koene, Charlotte Schreuder, Aartjan Beekman, Philip Scheltens, Max Stek, Yolande Pijnenburg, Annemieke Dols
OBJECTIVE: To compare neuropsychological profiles in behavioral variant frontotemporal dementia (bvFTD) with its most common primary psychiatric differential diagnoses, major depressive disorder (MDD), bipolar disorder (BD), and schizophrenia, in older patients with active symptoms. METHODS: We included patients from different cohorts with MDD (DSM-IV-TR: 296.20-296.23, 296.30-296.33; n = 42; mean ± SD age, 72.0 ± 8.0 years; female = 57.1%) included from 2002 to 2007, noneuthymic BD (DSM-IV-TR: 296...
July 25, 2017: Journal of Clinical Psychiatry
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