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Mood dysregulation disorder

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https://www.readbyqxmd.com/read/28535407/a-prospective-study-of-bipolar-disorder-vulnerability-in-relation-to-behavioural-activation-behavioural-inhibition-and-dysregulation-of-the-behavioural-activation-system
#1
R C Dempsey, P A Gooding, S H Jones
BACKGROUND: The weak regulation, or "dysregulation", of the Behavioural Activation System (BAS) is implicated in the development and recurrence of bipolar disorder. However, there has been a lack of prospective studies investigating the predictive role of BAS dysregulation in relation to bipolar-vulnerability. Furthermore, no studies have tested the prospective predictive utility of the DYS self-report measure of BAS dysregulation in an analogue sample. The goal of the current study was to redress this gap...
March 31, 2017: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/28514792/autonomic-dysregulation-in-burnout-and-depression-evidence-for-the-central-role-of-exhaustion
#2
Magdalena K Kanthak, Tobias Stalder, LaBarron K Hill, Julian F Thayer, Marlene Penz, Clemens Kirschbaum
Objectives Given the important role of the autonomic nervous system (ANS) in stress regulation, astonishingly little is known about ANS functioning in burnout, a condition arising after prolonged exposure to work-related stress. The current study sought to investigate ANS modulation, as indexed by vagally-mediated heart rate variability (HRV), in relation to burnout symptomatology to (i) distinguish associations between the three dimensions of burnout [emotional exhaustion (EE), cynicism, reduced personal accomplishment] and (ii) investigate overlap in associations with depressive symptomatology...
May 18, 2017: Scandinavian Journal of Work, Environment & Health
https://www.readbyqxmd.com/read/28503114/antidepressant-induced-dopamine-receptor-dysregulation-a-valid-animal-model-of-manic-depressive-illness
#3
REVIEW
Francesca Demontis, Francesca Serra, Gino Serra
BACKGROUND: Mania seems to be associated with an increased dopamine (DA) transmission. Antidepressant treatments can induce mania in humans and potentiated DA transmission in animals, by sensitizing DA D2 receptors in the mesolimbic system. We have suggested that the sensitization of D2 receptors may be responsible of antidepressant-induced mania. This review aims to report the experimental evidence that led to the hypothesis that antidepressant-induced DA receptors dysregulation can be considered an animal model of bipolar disorder...
April 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28503109/parental-reports-of-prodromal-psychopathology-in-pediatric-bipolar-disorder
#4
Mariely Hernandez, Ciro Marangoni, Marie C Grant, Jezelle Estrada, Gianni L Faedda
OBJECTIVES: Early psychopathology in children diagnosed with Bipolar Disorder (BD) remains poorly characterized. Parental retrospective reports provide helpful details on the earliest manifestations and their evolution over time. These symptoms occur early in the course of BD, often before a formal diagnosis is made and/or treatment is implemented, and are of great importance to early recognition and prevention. METHODS: Parents of pre-pubertal children and adolescents with DSM-IV diagnoses of BD attending an outpatient mood disorders clinic provided retrospective ratings of 37 symptoms of child psychopathology...
April 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28503108/diagnosis-and-treatment-of-cyclothymia-the-primacy-of-temperament
#5
REVIEW
Giulio Perugi, Elie Hantouche, Giulia Vannucchi
BACKGROUND: Contrary to DSM-5 definition based on recurrence of low grade hypomanic and depressive symptoms, cyclothymia is better defined in a neurodevelopmental perspective as an exaggeration of cyclothymic temperament. Emotional dysregulation with extreme mood instability and reactivity is the core features of the complex symptomatology. METHOD: In the present article, we critically reviewed the literature on the diagnosis and treatment of cyclothymia, focusing on the temperamental and neurodevelopmental perspectives...
April 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28497380/from-gene-to-behavior-l-type-calcium-channel-mechanisms-underlying-neuropsychiatric-symptoms
#6
REVIEW
Zeeba D Kabir, Arlene Martínez-Rivera, Anjali M Rajadhyaksha
The L-type calcium channels (LTCCs) Cav1.2 and Cav1.3, encoded by the CACNA1C and CACNA1D genes, respectively, are important regulators of calcium influx into cells and are critical for normal brain development and plasticity. In humans, CACNA1C has emerged as one of the most widely reproduced and prominent candidate risk genes for a range of neuropsychiatric disorders, including bipolar disorder (BD), schizophrenia (SCZ), major depressive disorder, autism spectrum disorder, and attention deficit hyperactivity disorder...
May 11, 2017: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
https://www.readbyqxmd.com/read/28495135/inflammatory-cytokines-and-functional-impairment-in-drug-free-subjects-with-mood-disorder
#7
Carolina David Wiener, Fernanda Pedrotti Moreira, Taiane Azevedo Cardoso, Thaise Campos Mondin, Pedro Vieira da Silva Magalhães, Flavio Kapczinski, Luciano Dias de Mattos Souza, Ricardo Azevedo da Silva, Jean Pierre Oses, Karen Jansen
OBJECTIVE: To assess the association between peripheral levels of inflammatory cytokines and functional impairment in subjects with Bipolar Disorder (BD), Major Depressive Disorder (MDD) and population controls. METHODS: This was a cross-sectional study with a matched sample of drug-free young adults with BD (n=48), MDD (n=48) and population controls (n=48). Mood disorder was confirmed by a certified psychologist using the Structured Clinical Interview for DSM-IV (SCID-I)...
June 15, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28483271/-mindful-neuropsychology-mindfulness-based-cognitive-remediation
#8
E Bulzacka, S Lavault, A Pelissolo, C Bagnis Isnard
OBJECTIVES: Mindfulness based interventions (MBI) have recently gained much interest in western medicine. MBSR paradigm is based on teaching participants to pay complete attention to the present experience and act nonjudgmentally towards stressful events. During this mental practice the meditator focuses his or her attention on the sensations of the body. While the distractions (mental images, thoughts, emotional or somatic states) arise the participant is taught to acknowledge discursive thoughts and cultivate the state of awareness without immediate reaction...
May 5, 2017: L'Encéphale
https://www.readbyqxmd.com/read/28482689/irritability-in-children-and-adolescents
#9
Melissa A Brotman, Katharina Kircanski, Ellen Leibenluft
Irritability is a common and impairing clinical presentation in children and adolescents. Despite its significant public health impact, irritability remains an elusive construct. Chronic and severe irritability is the primary symptom of the new DSM-5 diagnosis, disruptive mood dysregulation disorder (DMDD). However, empirical and clinical approaches to irritability are in their relative infancy, and questions regarding the validity of the DMDD diagnosis have been raised. Moreover, irritability is a trait distributed continuously in youth, thereby fitting within the National Institute of Mental Health Research Domain Criteria initiative...
May 8, 2017: Annual Review of Clinical Psychology
https://www.readbyqxmd.com/read/28449557/wnt-and-gsk3-signaling-pathways-in-bipolar-disorder-clinical-and-therapeutic-implications
#10
REVIEW
Ather Muneer
The neurobiology of bipolar disorder, a chronic and systemic ailment is not completely understood. The bipolar phenotype manifests in myriad ways, and psychopharmacological agents like lithium have long term beneficial effects. The enzyme glycogen synthase kinase 3 (GSK3) has come into focus, as lithium and several other mood stabilizing medications inhibit its activity. This kinase and its key upstream modulator, Wnt are dysregulated in mood disorders and there is a growing impetus to delineate the chief substrates involved in the development of these illnesses...
May 31, 2017: Clinical Psychopharmacology and Neuroscience: the Official Scientific Journal of the Korean College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28438472/shared-metabolic-and-immune-inflammatory-oxidative-and-nitrosative-stress-pathways-in-the-metabolic-syndrome-and-mood-disorders
#11
REVIEW
Luiz Gustavo Piccoli de Melo, Sandra Odebrecht Vargas Nunes, George Anderson, Heber Odebrecht Vargas, Décio Sabbattini Barbosa, Piotr Galecki, André F Carvalho, Michael Maes
This review examines the shared immune-inflammatory, oxidative and nitrosative stress (IO&NS) and metabolic pathways underpinning metabolic syndrome (MetS), bipolar disorder (BD) and major depressive disorder (MDD). Shared pathways in both MetS and mood disorders are low grade inflammation, including increased levels of pro-inflammatory cytokines and acute phase proteins, increased lipid peroxidation with formation of malondialdehyde and oxidized low density lipoprotein cholesterol (LDL-c), hypernitrosylation, lowered levels of antioxidants, most importantly zinc and paraoxonase (PON1), increased bacterial translocation (leaky gut), increased atherogenic index of plasma and Castelli risk indices; and reduced levels of high-density lipoprotein (HDL-c) cholesterol...
April 21, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28435083/subchronic-glucocorticoids-glutathione-depletion-and-a-postpartum-model-elevate-monoamine-oxidase-a-activity-in-the-prefrontal-cortex-of-rats
#12
Sofia Raitsin, Junchao Tong, Stephen Kish, Xin Xu, Lilia Magomedova, Carolyn Cummins, Ana C Andreazza, Gustavo Scola, Glen Baker, Jeffrey H Meyer
Recent human brain imaging studies implicate dysregulation of monoamine oxidase-A (MAO-A), in particular in the prefrontal cortex (PFC) and anterior cingulate cortex (ACC), in the development of major depressive disorder (MDD). This study investigates the influence of four alterations underlying important pathologies of MDD, namely, chronic elevation of glucocorticoid levels, glutathione depletion, changes in female gonadal sex hormones and serotonin concentration fluctuation, on MAO-A and MAO-B activity in rats...
April 20, 2017: Brain Research
https://www.readbyqxmd.com/read/28433092/behavioral-and-neural-sustained-attention-deficits-in-disruptive-mood-dysregulation-disorder-and-attention-deficit-hyperactivity-disorder
#13
David Pagliaccio, Jillian Lee Wiggins, Nancy E Adleman, Alexa Curhan, Susan Zhang, Kenneth E Towbin, Melissa A Brotman, Daniel S Pine, Ellen Leibenluft
OBJECTIVE: Disruptive mood dysregulation disorder (DMDD), characterized by severe irritability, and attention-deficit/hyperactivity disorder (ADHD) are highly comorbid. This is the first study to characterize neural and behavioral similarities and differences in attentional functioning across these disorders. METHOD: Twenty-seven healthy volunteers, 31 patients with DMDD, and 25 patients with ADHD (8 to 18 years old) completed a functional magnetic resonance imaging attention task...
May 2017: Journal of the American Academy of Child and Adolescent Psychiatry
https://www.readbyqxmd.com/read/28424654/emerging-approaches-for-validating-and-managing-multiple-sclerosis-relapse
#14
REVIEW
Elizabeth A Mills, Ali Mirza, Yang Mao-Draayer
The autoimmune disease multiple sclerosis (MS) is characterized by relapses in the majority of patients. A definitive clinical diagnosis of relapse in MS can be complicated by the presence of an infection or comorbid disorder. In this mini-review, we describe efforts to develop enhanced imaging techniques and biomarker detection as future tools for relapse validation. There is emerging evidence of roles for meningeal inflammation, sex hormones, comorbid metabolic or mood disorders, and a dysregulated immune profile in the manifestation and severity of relapse...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28420346/linoleic-acid-is-this-the-key-that-unlocks-the-quantum-brain-insights-linking-broken-symmetries-in-molecular-biology-mood-disorders-and-personalistic-emergentism
#15
REVIEW
Massimo Cocchi, Chiara Minuto, Lucio Tonello, Fabio Gabrielli, Gustav Bernroider, Jack A Tuszynski, Francesco Cappello, Mark Rasenick
In this paper we present a mechanistic model that integrates subneuronal structures, namely ion channels, membrane fatty acids, lipid rafts, G proteins and the cytoskeleton in a dynamic system that is finely tuned in a healthy brain. We also argue that subtle changes in the composition of the membrane's fatty acids may lead to down-stream effects causing dysregulation of the membrane, cytoskeleton and their interface. Such exquisite sensitivity to minor changes is known to occur in physical systems undergoing phase transitions, the simplest and most studied of them is the so-called Ising model, which exhibits a phase transition at a finite temperature between an ordered and disordered state in 2- or 3-dimensional space...
April 19, 2017: BMC Neuroscience
https://www.readbyqxmd.com/read/28419607/subjective-and-objective-sleep-quality-modulate-emotion-regulatory-brain-function-in-anxiety-and-depression
#16
Heide Klumpp, Julia Roberts, Mary C Kapella, Amy E Kennedy, Anand Kumar, K Luan Phan
BACKGROUND: Disturbances in emotion regulation and sleep are shared across anxiety and mood disorders. Poor sleep has been shown to impair cognitive processes which may undermine cognitive regulatory function. However, it remains unknown if sleep quality impacts regulatory mechanisms in clinical anxiety and depression. METHODS: During fMRI, 78 patients with social anxiety disorder, generalized anxiety disorder, and/or major depressive disorder completed a validated emotion regulation task, which involved reappraisal (i...
April 18, 2017: Depression and Anxiety
https://www.readbyqxmd.com/read/28416811/gene-deficiency-and-pharmacological-inhibition-of-caspase-1-confers-resilience-to-chronic-social-defeat-stress-via-regulating-the-stability-of-surface-ampars
#17
M-X Li, H-L Zheng, Y Luo, J-G He, W Wang, J Han, L Zhang, X Wang, L Ni, H-Y Zhou, Z-L Hu, P-F Wu, Y Jin, L-H Long, H Zhang, G Hu, J-G Chen, F Wang
Both inflammatory processes and glutamatergic systems have been implicated in the pathophysiology of mood-related disorders. However, the role of caspase-1, a classic inflammatory caspase, in behavioral responses to chronic stress remains largely unknown. To address this issue, we examined the effects and underlying mechanisms of caspase-1 on preclinical murine models of depression. We found that loss of caspase-1 expression in Caspase-1(-/-) knockout mice alleviated chronic stress-induced depression-like behaviors, whereas overexpression of caspase-1 in the hippocampus of wild-type (WT) mice was sufficient to induce depression- and anxiety-like behaviors...
April 18, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28408639/interaction-between-neuronal-calcium-sensor-protein-1-and-lithium-in-pedunculopontine-neurons
#18
Stasia D'Onofrio, James Hyde, Edgar Garcia-Rill
Bipolar disorder is characterized by sleep dysregulation, suggesting a role for the reticular activating system (RAS). Postmortem studies showed increased expression of neuronal calcium sensor protein 1 (NCS-1) in the brains of some bipolar disorder patients, and reduced or aberrant gamma band activity is present in the same disorder. Lithium (Li(+)) has been shown to effectively treat the mood disturbances in bipolar disorder patients. We previously showed that NCS-1 at low levels increased, and at high levels decreased, gamma oscillations in RAS pedunculopontine neurons (PPN), and that Li(+) decreased these oscillations...
April 2017: Physiological Reports
https://www.readbyqxmd.com/read/28398817/predictors-of-later-psychopathology-in-young-children-with-disruptive-mood-dysregulation-disorder
#19
Lea R Dougherty, Chelsey S Barrios, Gabrielle A Carlson, Daniel N Klein
OBJECTIVE: This study aimed to identify childhood factors that predict later psychiatric problems in children with disruptive mood dysregulation disorder (DMDD). METHODS: The sample consisted of 36 6-year-old children who met criteria for DMDD who were followed up at 9 years of age. Child psychopathology was assessed at age 6 using the Preschool Age Psychiatric Assessment (PAPA) and at age 9 using the Kiddie-Schedule for Affective Disorders and Schizophrenia. We compared children with DMDD at age 6 who continued to have a psychiatric diagnosis at age 9 (n = 17) to children with DMDD at age 6 with no psychiatric diagnosis at age 9 (n = 19) across several age 6 predictors: child psychopathology, irritability and temperament, parenting, and maternal psychopathology...
February 17, 2017: Journal of Child and Adolescent Psychopharmacology
https://www.readbyqxmd.com/read/28396906/the-lausanne-geneva-cohort-study-of-offspring-of-parents-with-mood-disorders-methodology-findings-current-sample-characteristics-and-perspectives
#20
Caroline L Vandeleur, Marie-Pierre F Strippoli, Enrique Castelao, Mehdi Gholam-Rezaee, François Ferrero, Pierre Marquet, Jean-Michel Aubry, Martin Preisig
PURPOSE: Studies focusing on the offspring of affected parents utilize the well-established familial aggregation of mood disorders as a powerful tool for the identification of risk factors, early clinical manifestations, and prodromes of mood disorders in these offspring. The major goals of the Lausanne-Geneva mood cohort study are to: (1) assess the familial aggregation of bipolar and unipolar mood disorders; (2) prospectively identify risk factors for mood disorders as well as their early signs and prodromes; (3) identify their endophenotypes including cognitive features, alterations in brain structure, HPA-axis dysregulation, and abnormalities of the circadian rhythm of activity...
April 10, 2017: Social Psychiatry and Psychiatric Epidemiology
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