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https://www.readbyqxmd.com/read/29160338/changes-in-energy-and-motor-activity-core-symptoms-of-bipolar-mania-and-depression
#1
Elie Cheniaux, Rafael de A da Silva, Cristina M Santana, Alberto Filgueiras
OBJECTIVE: To evaluate how well symptom rating scales differentiate bipolar disorder (BD) episode types. METHODS: One hundred and six patients with BD were followed for 13 years. At each visit, the following clinical scales were administered: Young Mania Rating Scale (YMRS), Hamilton Depression Scale (HAM-D) and Clinical Global Impressions scale for use in bipolar illness (CGI-BP). To perform a comparison between the affective states of BP, three time points in each patient's follow-up period were chosen for evaluation: the most severe manic episode, the most severe depressive episode, and the euthymic period with least symptoms...
November 9, 2017: Revista Brasileira de Psiquiatria
https://www.readbyqxmd.com/read/29159551/long-term-over-10%C3%A2-years-retrospective-follow-up-of-laparoscopic-adjustable-gastric-banding
#2
Dvir Froylich, Tamar Abramovich-Segal, Guy Pascal, Ivy Haskins, Boaz Appel, Naama Kafry, David Hazzan
BACKGROUND: Laparoscopic adjustable gastric banding (LAGB) placements have progressively decreased in recent years. This is related to poor long-term weight loss outcomes and necessity for revision or removal of these bands. Long-term outcome results following LAGB are limited. The aim of our study was to determine the long-term outcome after LAGB at our institution. OBJECTIVES: The aim of our study was to determine the long-term outcome after LAGB at our institution...
October 6, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/29158584/ketamine-enhances-structural-plasticity-in-mouse-mesencephalic-and-human-ipsc-derived-dopaminergic-neurons-via-ampar-driven-bdnf-and-mtor-signaling
#3
L Cavalleri, E Merlo Pich, M J Millan, C Chiamulera, T Kunath, P F Spano, G Collo
Among neurobiological mechanisms underlying antidepressant properties of ketamine, structural remodeling of prefrontal and hippocampal neurons has been proposed as critical. The suggested mechanism involves downstream activation of α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptors, which trigger mammalian target of rapamycin (mTOR)-dependent structural plasticity via brain-derived neurotrophic factor (BDNF) and protein neo-synthesis. We evaluated whether ketamine elicits similar molecular events in dopaminergic (DA) neurons, known to be affected in mood disorders, using a novel, translational strategy that involved mouse mesencephalic and human induced pluripotent stem cells-derived DA neurons...
November 21, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/29158580/ck2-regulates-5-ht4-receptor-signaling-and-modulates-depressive-like-behavior
#4
J Castello, B LeFrancois, M Flajolet, P Greengard, E Friedman, H Rebholz
The serotonergic neurotransmitter system has been widely implicated in the pathophysiology of mood-related disorders such as anxiety and major depressive disorder (MDD). The onset of therapeutic efficacy of traditional antidepressants is delayed by several weeks. The 5-HT4 receptor has emerged as a new therapeutic target since agonists of this receptor induce rapid antidepressant-like responses in rodents. Here we show that the 5-HT4 receptor is regulated by CK2, at transcriptional and post-transcriptional levels...
November 21, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/29158579/rare-susceptibility-variants-for-bipolar-disorder-suggest-a-role-for-g-protein-coupled-receptors
#5
C Cruceanu, J-F Schmouth, S G Torres-Platas, J P Lopez, A Ambalavanan, E Darcq, F Gross, B Breton, D Spiegelman, D Rochefort, P Hince, J M Petite, J Gauthier, R G Lafrenière, P A Dion, C M Greenwood, B L Kieffer, M Alda, G Turecki, G A Rouleau
Bipolar disorder (BD) is a prevalent mood disorder that tends to cluster in families. Despite high heritability estimates, few genetic susceptibility factors have been identified over decades of genetic research. One possible interpretation for the shortcomings of previous studies to detect causative genes is that BD is caused by highly penetrant rare variants in many genes. We explored this hypothesis by sequencing the exomes of affected individuals from 40 well-characterized multiplex families. We identified rare variants segregating with affected status in many interesting genes, and found an enrichment of deleterious variants in G protein-coupled receptor (GPCR) family genes, which are important drug targets...
November 21, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/29158578/ketamine-and-its-metabolite-2r-6r-hydroxynorketamine-induce-lasting-alterations-in-glutamatergic-synaptic-plasticity-in-the-mesolimbic-circuit
#6
N Yao, O Skiteva, X Zhang, P Svenningsson, K Chergui
Low doses of ketamine trigger rapid and lasting antidepressant effects after one injection in treatment-resistant patients with major depressive disorder. Modulation of AMPA receptors (AMPARs) in the hippocampus and prefrontal cortex is suggested to mediate the antidepressant action of ketamine and of one of its metabolites (2R,6R)-hydroxynorketamine ((2R,6R)-HNK). We have examined whether ketamine and (2R,6R)-HNK affect glutamatergic transmission and plasticity in the mesolimbic system, brain regions known to have key roles in reward-motivated behaviors, mood and hedonic drive...
November 21, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/29157683/unique-characteristics-of-high-cost-users-of-medical-care-with-comorbid-mental-illness-or-addiction-in-a-population-based-cohort
#7
Jennifer M Hensel, Valerie H Taylor, Kinwah Fung, Claire de Oliveira, Simone N Vigod
OBJECTIVE: To understand whether high-cost users of medical care with and without comorbid mental illness or addiction differ in terms of their sociodemographic and health characteristics. Unique characteristics would warrant different considerations for interventions and service design aimed at reducing unnecessary health care utilization and associated costs. METHODS: From the top 10% of Ontarians ranked by total medical care costs during fiscal year 2011/2012 (N = 314,936), prior 2-year mental illness or addiction diagnoses were determined from administrative data...
October 16, 2017: Psychosomatics
https://www.readbyqxmd.com/read/29157595/comorbidity-of-narcolepsy-and-depressive-disorders-a-nationwide-population-based-study-in-taiwan
#8
Min-Jing Lee, Sheng-Yu Lee, Shin-Sheng Yuan, Chun-Ju Yang, Kang-Chung Yang, Tung-Liang Lee, Chi-Chin Sun, Yu-Chiau Shyu, Liang-Jen Wang
OBJECTIVE: Narcolepsy is a chronic sleep disorder that is likely to have neuropsychiatric comorbidities. Depression is a serious mood disorder that affects individuals' daily activities and functions. The current study aimed to investigate the relationship between narcolepsy and depressive disorders. METHODS: The study consisted of patients diagnosed with narcolepsy between January 2002, and December 2011 (n = 258), and age-matched and gender-matched controls (n = 2580) from Taiwan's National Health Insurance database...
November 2017: Sleep Medicine
https://www.readbyqxmd.com/read/29157589/overweight-and-obesity-add-to-behavioral-problems-in-children-with-sleep-disordered-breathing
#9
Sarah N Biggs, Knarik Tamanyan, Lisa M Walter, Aidan J Weichard, Margot J Davey, Gillian M Nixon, Rosemary S C Horne
OBJECTIVE: This study aimed to determine whether overweight and obesity increased the detrimental effects of pediatric sleep-disordered breathing (SDB) on cognition, behavior, mood, and quality of life. METHODS: Children and adolescents (8-16 years) with clinically diagnosed SDB were categorized into two groups: healthy weight (Body Mass Index (BMI) z-score <1.04, N = 11) and overweight/obese (BMI z-score ≥ 1.04, N = 10). Age-matched healthy weight, non-snoring controls (N = 25) were recruited from the community...
November 2017: Sleep Medicine
https://www.readbyqxmd.com/read/29157006/chronotype-description-in-search-of-a-solid-subjective-amplitude-scale
#10
Halszka Oginska, Justyna Mojsa-Kaja, Olivier Mairesse
The term "subjective circadian amplitude" refers to the range or the distinctness of diurnal variations of arousal, that is, the awareness (or lack thereof) of difference between hyper- and hypo-activation phases, the ability to volitionally modulate one's own psychophysiological state, the strength of morning-evening preferences and flexibility of the rhythm or perceived stability of the circadian phase. The complexity of this construct is the source of difficulties in research and measurement. The psychometric features of distinctness subscales of the Chronotype Questionnaire and the Caen Chronotype Questionnaire are not satisfactory...
November 20, 2017: Chronobiology International
https://www.readbyqxmd.com/read/29156991/repeated-mild-traumatic-brain-injury-produces-neuroinflammation-anxiety-like-behaviour-and-impaired-spatial-memory-in-mice
#11
John I Broussard, Laura Acion, Héctor De Jesús-Cortés, Terry Yin, Jeremiah K Britt, Ramiro Salas, Mauro Costa-Mattioli, Claudia Robertson, Andrew A Pieper, David B Arciniegas, Ricardo Jorge
PRIMARY OBJECTIVE: Repeated traumatic brain injuries (rmTBI) are frequently associated with debilitating neuropsychiatric conditions such as cognitive impairment, mood disorders, and post-traumatic stress disorder. We tested the hypothesis that repeated mild traumatic brain injury impairs spatial memory and enhances anxiety-like behaviour. RESEARCH DESIGN: We used a between groups design using single (smTBI) or repeated (rmTBI) controlled cranial closed skull impacts to mice, compared to a control group...
November 20, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/29156911/prognostic-indicators-of-neuromuscular-disorders-for-palliative-care-referral
#12
Richard Shek-Kwan Chang, Yuen Kwun Wong
BACKGROUND: Most of the neuromuscular disorders (NMDs) have poor prognosis and lead to various symptoms amendable to palliative care. However, the suitable time of referral is uncertain. METHODS: A retrospective study was conducted to describe the trajectories of NMDs. Early death within one year after NMD diagnosis was set as the outcome. Total of 86 adult NMD patients were recruited in a university hospital. Demographic variable including gender, age at diagnosis and early-onset symptoms including dyspnea, dysphagia, loss of mobility, constipation, mood and sleep disorders, and pain were correlated with the outcome...
September 29, 2017: Annals of Palliative Medicine
https://www.readbyqxmd.com/read/29156592/activation-of-trek-1-but-not-trek-2-channel-by-mood-stabilizers
#13
Eun-Jin Kim, Dong Kun Lee, Seong-Geun Hong, Jaehee Han, Dawon Kang
Earlier studies have demonstrated that the tandem pore domain weak inward rectifying K⁺ channel (TWIK)-related K⁺ (TREK)-1 channel is inhibited by antidepressants and is associated with major depression. However, little is known about the effect of mood stabilizers that are commonly used for treatment of bipolar disorder on TREK channels, members of the two-pore domain K⁺ (K2P) channel family. This study sought to investigate the effect of mood stabilizers on TREK-1 and TREK-2 channels. HEK-293A cells were transfected with human TREK-1 or TREK-2 DNA...
November 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29156546/systematic-review-of-epigenetic-effects-of-pharmacological-agents-for-bipolar-disorders
#14
REVIEW
Laura E Lockwood, Nagy A Youssef
Epigenetic effects of medications are an evolving field of medicine, and can change the landscape of drug development. The aim of this paper is to systematically review the literature of the relationship between common medications used for treatment of bipolar disorders and epigenetic modifications. MedLine/PubMed searches were performed based on pre-specified inclusion criteria from inception to November 2017. Six animal and human studies met the inclusion criteria. These studies examined the epigenetic changes in the main classes of medications that are used in bipolar disorders, namely mood stabilizers and antipsychotics...
November 18, 2017: Brain Sciences
https://www.readbyqxmd.com/read/29156424/blink-reflex-under-external-emotional-stimuli-in-bipolar-i-and-ii-disorders
#15
Qisha Zhu, Jiawei Wang, Hongying Fan, Guorong Ma, Bingren Zhang, Chanchan Shen, Wei Wang
Bipolar disorder types I (BD I) and II (BD II) might present different cortico-brainstem circuit dysfunctions under external emotions, which might be reflected by the blink reflex. We therefore invited 32 BD I and 23 BD II patients, and 46 healthy volunteers to answer the Mood Disorder Questionnaire, the Hypomania Checklist-32, and the Plutchik - van Praag Depression inventory, and to undergo the blink reflex test under external emotions (emotional pictures plus sounds) of Disgust, Erotica, Fear, Happiness, and Sadness...
November 10, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29156364/pattern-recognition-of-magnetic-resonance-imaging-based-gray-matter-volume-measurements-classifies-bipolar-disorder-and-major-depressive-disorder
#16
Harry Rubin-Falcone, Francesca Zanderigo, Binod Thapa-Chhetry, Martin Lan, Jeffrey M Miller, M Elizabeth Sublette, Maria A Oquendo, David J Hellerstein, Patrick J McGrath, Johnathan W Stewart, J John Mann
BACKGROUND: Bipolar Disorder (BD) cannot be reliably distinguished from Major Depressive Disorder (MDD) until the first manic or hypomanic episode. Consequently, many patients with BD are treated with antidepressants without mood stabilizers, a strategy that is often ineffective and carries a risk of inducing a manic episode. We previously reported reduced cortical thickness in right precuneus, right caudal middle-frontal cortex and left inferior parietal cortex in BD compared with MDD...
November 13, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29156361/non-suicidal-self-injury-in-referred-adolescents-with-mood-disorders-and-its-association-with-cyclothymic-hypersensitive-temperament
#17
Gabriele Masi, Annarita Milone, Anna Rita Montesanto, Elena Valente, Simone Pisano
BACKGROUND: Non suicidal self-injuries (NSSIs) are deliberate self-harm behaviors without suicidal intent, usually starting in adolescence, with increasing rates of occurrence both in epidemiological and clinical samples. Several studies associated cyclothymic-hypersensitive temperament (CHT) with self-harm behaviors and suicidal risk. Aim of this study is to explore the association between NSSIs and CHT in a clinical sample of adolescents. We hypothesized that CHT may differentiate NSSI from non-NSSI adolescents with mood disorders, when other psychopathological features are controlled for...
November 13, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29156212/history-and-purpose-of-postpartum-support-international
#18
Wendy Newhouse Davis, Christena Raines, Pec Indman, Birdie Gunyon Meyer, Ann Smith
Postpartum Support International provides training for professionals and supports families who experience perinatal mood and anxiety disorders. The purpose of this article is to describe Postpartum Support International, which was founded in 1987 to increase awareness among public and professional communities about the emotional difficulties women experience during and after pregnancy. We recommend strategies with which health care professionals can support families, reduce stigma, and offer resources for treatment and support...
November 17, 2017: Journal of Obstetric, Gynecologic, and Neonatal Nursing: JOGNN
https://www.readbyqxmd.com/read/29155800/nicotinic-receptors-mediate-stress-nicotine-detrimental-interplay-via-dopamine-cells-activity
#19
C Morel, S P Fernandez, F Pantouli, F J Meye, F Marti, S Tolu, S Parnaudeau, H Marie, F Tronche, U Maskos, M Moretti, C Gotti, M-H Han, A Bailey, M Mameli, J Barik, P Faure
Epidemiological studies report strong association between mood disorders and tobacco addiction. This high comorbidity requires adequate treatment but the underlying mechanisms are unknown. We demonstrate that nicotine exposure, independent of drug withdrawal effects, increases stress sensitivity, a major risk factor in mood disorders. Nicotine and stress concur to induce long-lasting cellular adaptations within the dopamine (DA) system. This interplay is underpinned by marked remodeling of nicotinic systems, causing increased ventral tegmental area (VTA) DA neurons' activity and stress-related behaviors, such as social aversion...
July 25, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/29154565/exploring-the-idiographic-dynamics-of-mood-and-anxiety-via-network-analysis
#20
Aaron J Fisher, Jonathan W Reeves, Glenn Lawyer, John D Medaglia, Julian A Rubel
Individual variation is increasingly recognized as important to psychopathology research. Concurrently, new methods of analysis based on network models are bringing new perspectives on mental (dys)function. This current work analyzed idiographic multivariate time series data using a novel network methodology that incorporates contemporaneous and lagged associations in mood and anxiety symptomatology. Data were taken from 40 individuals with generalized anxiety disorder (GAD), major depressive disorder (MDD), or comorbid GAD and MDD, who answered questions about 21 descriptors of mood and anxiety symptomatology 4 times a day over a period of approximately 30 days...
November 2017: Journal of Abnormal Psychology
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