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Mood dysregulation disorder

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https://www.readbyqxmd.com/read/28284035/ethnopharmacological-approaches-in-mood-and-anxiety-disorders-the-relevance-of-the-oxidative-stress-status
#1
Simplice Harquin Foyet, Ioana-Miruna Balmus, Ngatanko Abaïssou Hervé Hervé, Asongalem Acha Emmanuel, Samson Guenne, Martin Kiendrebéogo, Alin Ciobica
Neurodegenerative diseases and psychiatric disorders are one of the most important pathologies that lead to increased morbidity in populations. Both mood and anxiety disorders include mental disorders not caused by detectable organic abnormalities of the brain. At the molecular level, affective spectrum symptomatology is due to neurotransmitter dysregulation including receptor or transporter impairments and also due to faulty intracellular signaling that generally leads to impaired neurotransmission. Also, recent studies have shown the relationship between oxidative stress and the development of affective disorders...
March 9, 2017: Journal of Complementary & Integrative Medicine
https://www.readbyqxmd.com/read/28270465/rapid-sequence-serial-sexual-homicides
#2
Louis B Schlesinger, Stephanie Ramirez, Brittany Tusa, John P Jarvis, Philip Erdberg
Serial sexual murderers have been described as committing homicides in a methodical manner, taking substantial time between offenses to elude the authorities. The results of our study of the temporal patterns (i.e., the length of time between homicides) of a nonrandom national sample of 44 serial sexual murderers and their 201 victims indicate that this representation may not always be accurate. Although 25 offenders (56.8%) killed with longer than a 14-day period between homicides, a sizeable subgroup was identified: 19 offenders (43...
March 2017: Journal of the American Academy of Psychiatry and the Law
https://www.readbyqxmd.com/read/28241886/comparison-of-associated-features-and-drug-treatment-between-co-occurring-unipolar-and-bipolar-disorders-in-depressed-eating-disorder-patients
#3
Mei-Chih Meg Tseng, Chin-Hao Chang, Shih-Cheng Liao, Hsi-Chung Chen
BACKGROUND: To examine the differences of associated characteristics and prescription drug use between co-occurring unipolar and bipolar disorders in patients with eating disorders (EDs). METHODS: Patients with EDs and major depressive episode (MDE) were recruited from psychiatric outpatient clinics. They were interviewed and completed self-administered measures assessing eating and general psychopathology. The prescribed drugs at the index outpatient visit were recorded...
February 27, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28229904/regulation-of-g-protein-coupled-receptor-signalling-underpinning-neurobiology-of-mood-disorders-and-depression
#4
Dimitris K Grammatopoulos
G-protein coupled receptors (GPCRs) have long been at the centre of investigations of the neurobiology of depression and mood disorders. Different facets of GPCR signalling pathways, including those controlling monoaminergic and neuropeptidergic hormonal systems are believed to be dysregulated in major depressive and bipolar disorders. Although these receptors are key molecular targets for a variety of therapeutic agents and continue to be the focus of intense pharmaceutical development, the molecular mechanisms activated by these GPCRs and underpin the pathological basis of mood disorders remain poorly understood...
February 13, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28223096/the-habenula-in-psychiatric-disorders-more-than-three-decades-of-translational-investigation
#5
REVIEW
Marc Fakhoury
The habenula is an epithalamic structure located at the center of the dorsal diencephalic conduction system, a pathway involved in linking forebrain to midbrain regions. Composed of a medial and lateral subdivisions, the habenula receives inputs from the limbic system and basal ganglia mainly through the stria medullaris (SM), and projects to midbrain regions through the fasciculus retroflexus (FR). An increasing number of studies have also implicated this structure in psychiatric disorders associated with dysregulated reward circuitry function, notably mood disorders, schizophrenia and substance use disorder...
February 13, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28207918/disruptive-mood-dysregulation-disorder-and-its-effect-on-bipolar-disorder
#6
Shama Faheem, Victoria Petti, George Mellos
BACKGROUND: In the last few decades, a noticeable increase in the diagnosis of bipolar disorder (BD) in youth has raised concerns, particularly because of a consequent increase in the use of psychotropic medications with adverse side effects. After observing the development of those youth into adulthood, clinicians and researchers have questioned the notion of expanding the diagnostic boundaries of BD to encapsulate these youth. METHODS: Our research is aimed at gleaning further information on disruptive mood dysregulation disorder (DMDD) and to observe whether its introduction has affected the rates of BD in children and adolescents...
February 1, 2017: Annals of Clinical Psychiatry: Official Journal of the American Academy of Clinical Psychiatrists
https://www.readbyqxmd.com/read/28192774/irritability-in-child-and-adolescent-psychopathology-an-integrative-review-for-icd-11
#7
REVIEW
Spencer C Evans, Jeffrey D Burke, Michael C Roberts, Paula J Fite, John E Lochman, Francisco R de la Peña, Geoffrey M Reed
In preparation for the World Health Organization's development of the Eleventh Revision of the International Classification of Diseases and Related Health Problems (ICD-11) chapter on Mental and Behavioral Disorders, this article reviews the literature pertaining to severe irritability in child and adolescent psychopathology. First, research on severe mood dysregulation suggests that youth with irritability and temper outbursts, among other features of hyperactivity and arousal, demonstrate cross-sectional correlates and developmental outcomes that distinguish them from youth with bipolar disorder...
January 17, 2017: Clinical Psychology Review
https://www.readbyqxmd.com/read/28186315/sleep-study-in-disruptive-mood-dysregulation-disorder-and-bipolar-children
#8
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/28160436/role-of-the-mt1-and-mt2-melatonin-receptors-in-mediating-depressive-and-anxiety-like-behaviors-in-c3h-hen-mice
#9
J Liu, S J Clough, M L Dubocovich
Melatonin is a neurohormone primarily synthesized by the pineal gland following a circadian rhythm with a high level during the night and a low level during the day. Alterations in the synthesis and secretion of melatonin have been reported in various mood disorders, including major depressive disorder. However, the role of endogenous melatonin in the pathophysiology of depressive disorder is unclear. Melatonin primarily acts through two G protein-coupled receptors, termed MT1 and MT2 . The present study investigated the effect of genetic deletion of the MT1 and/or MT2 receptors on tests associated with depression- and anxiety-like behaviors in C3H/HeN mice...
February 3, 2017: Genes, Brain, and Behavior
https://www.readbyqxmd.com/read/28121722/omega-3-supplementation-and-the-neural-correlates-of-negative-affect-and-impulsivity-a-double-blind-randomized-placebo-controlled-trial-in-midlife-adults
#10
Annie T Ginty, Matthew F Muldoon, Dora C H Kuan, Brittney Schirda, Thomas W Kamarck, J Richard Jennings, Stephen B Manuck, Peter J Gianaros
OBJECTIVE: In clinical trials, omega-3 fatty acid supplementation improves symptoms in psychiatric disorders involving dysregulated mood and impulse control, yet it is unclear whether in healthy adults omega-3 fatty acid supplementation affects mood, impulse control and the brain systems supporting these processes. Accordingly, this study tested the hypotheses that eciosapentaenoic (EPA) and docosahexaenoic (DHA) acid supplementation reduces negative affect and impulsive behaviors in healthy adults and that these changes correspond to alterations in corticolimbic and corticostriatal brain systems which support affective and impulsive processes...
January 24, 2017: Psychosomatic Medicine
https://www.readbyqxmd.com/read/28099138/role-of-glial-cell-line-derived-neurotrophic-factor-in-the-pathogenesis-and-treatment-of-mood-disorders
#11
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/28095495/dna-methylation-analysis-of-brd1-promoter-regions-and-the-schizophrenia-rs138880-risk-allele
#12
Mads Dyrvig, Per Qvist, Jacek Lichota, Knud Larsen, Mette Nyegaard, Anders D Børglum, Jane H Christensen
The bromodomain containing 1 gene, BRD1 is essential for embryogenesis and CNS development. It encodes a protein that participates in histone modifying complexes and thereby regulates the expression of a large number of genes. Genetic variants in the BRD1 locus show association with schizophrenia and bipolar disorder and risk alleles in the promoter region correlate with reduced BRD1 expression. Insights into the transcriptional regulation of BRD1 and the pathogenic mechanisms associated with BRD1 risk variants, however, remain sparse...
2017: PloS One
https://www.readbyqxmd.com/read/28093238/a-model-of-the-mitochondrial-basis-of-bipolar-disorder
#13
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/28069365/polyunsaturated-fatty-acids-and-recurrent-mood-disorders-phenomenology-mechanisms-and-clinical-application
#14
REVIEW
Erik Messamore, Daniel M Almeida, Ronald J Jandacek, Robert K McNamara
A body of evidence has implicated dietary deficiency in omega-3 polyunsaturated fatty acids (n-3 PUFA), including eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), in the pathophysiology and etiology of recurrent mood disorders including major depressive disorder (MDD) and bipolar disorder. Cross-national and cross-sectional evidence suggests that greater habitual intake of n-3 PUFA is associated with reduced risk for developing mood symptoms. Meta-analyses provide strong evidence that patients with mood disorders exhibit low blood n-3 PUFA levels which are associated with increased risk for the initial development of mood symptoms in response to inflammation...
January 6, 2017: Progress in Lipid Research
https://www.readbyqxmd.com/read/28060532/critical-slowing-down-as-an-early-warning-of-transitions-in-episodes-of-bipolar-disorder-a-simulation-study-based-on-a-computational-model-of-circadian-activity-rhythms
#15
Atiyeh Bayani, Fatemeh Hadaeghi, Sajad Jafari, Greg Murray
Bipolar disorder is characterized by repeated episodes of mania and depression, and can be understood as pathological complex system behaviour involving cognitive, affective and psychomotor disturbance. Accurate prediction of episode transitions in the long-term pattern of mood changes in bipolar disorder could improve the management of the disorder by providing an objective early warning of relapse. In particular, circadian activity changes measured via actigraphy may contain clinically relevant signals of imminent systemic dysregulation...
2017: Chronobiology International
https://www.readbyqxmd.com/read/28044059/the-esc-e-z-complex-an-effector-of-response-to-ovarian-steroids-manifests-an-intrinsic-difference-in-cells-from-women-with-premenstrual-dysphoric-disorder
#16
N Dubey, J F Hoffman, K Schuebel, Q Yuan, P E Martinez, L K Nieman, D R Rubinow, P J Schmidt, D Goldman
Clinical evidence suggests that mood and behavioral symptoms in premenstrual dysphoric disorder (PMDD), a common, recently recognized, psychiatric condition among women, reflect abnormal responsivity to ovarian steroids. This differential sensitivity could be due to an unrecognized aspect of hormonal signaling or a difference in cellular response. In this study, lymphoblastoid cell line cultures (LCLs) from women with PMDD and asymptomatic controls were compared via whole-transcriptome sequencing (RNA-seq) during untreated (ovarian steroid-free) conditions and following hormone treatment...
January 3, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28004948/smoking-induced-affect-modulation-in-nonwithdrawn-smokers-with-posttraumatic-stress-disorder-depression-and-in-those-with-no-psychiatric-disorder
#17
Jessica W Cook, Timothy B Baker, Jean C Beckham, Miles McFall
This research sought to determine whether smoking influences affect by means other than withdrawal reduction. Little previous evidence suggests such an effect. We surmised that such an effect would be especially apparent in posttraumatic stress disorder (PTSD) and major depressive disorder (MDD), 2 disorders that are frequently comorbid with smoking and that involve dysregulated affect. Participants were U.S. veterans who were regular smokers (N = 159): 52 with PTSD (58% with comorbid MDD), 51 with MDD, and 56 controls with no psychiatric disorder...
February 2017: Journal of Abnormal Psychology
https://www.readbyqxmd.com/read/27993336/toward-a-unified-treatment-for-emotional-disorders-republished-article
#18
David H Barlow, Laura B Allen, Molly L Choate
Over 40 years of development of cognitive behavioral approaches to treating anxiety and related emotional disorders have left us with highly efficacious treatments that are increasingly widely accepted. Nevertheless, these manualized protocols have become numerous and somewhat complex, restricting effective training and dissemination. Deepening understanding of the nature of emotional disorders reveals that commonalities in etiology and latent structure among these disorders supercedes differences. This suggests the possibility of distilling a set of psychological procedures that would comprise a unified intervention for emotional disorders...
November 2016: Behavior Therapy
https://www.readbyqxmd.com/read/27940914/alterations-in-the-neuropeptide-galanin-system-in-major-depressive-disorder-involve-levels-of-transcripts-methylation-and-peptide
#19
Swapnali Barde, Joelle Rüegg, Josée Prud'homme, Tomas J Ekström, Miklos Palkovits, Gustavo Turecki, Gyorgy Bagdy, Robert Ihnatko, Elvar Theodorsson, Gabriella Juhasz, Rochellys Diaz-Heijtz, Naguib Mechawar, Tomas G M Hökfelt
Major depressive disorder (MDD) is a substantial burden to patients, families, and society, but many patients cannot be treated adequately. Rodent experiments suggest that the neuropeptide galanin (GAL) and its three G protein-coupled receptors, GAL1-3, are involved in mood regulation. To explore the translational potential of these results, we assessed the transcript levels (by quantitative PCR), DNA methylation status (by bisulfite pyrosequencing), and GAL peptide by RIA of the GAL system in postmortem brains from depressed persons who had committed suicide and controls...
December 27, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27916636/glutamate-dysregulation-and-glutamatergic-therapeutics-for-ptsd-evidence-from-human-studies
#20
REVIEW
Lynnette A Averill, Prerana Purohit, Christopher L Averill, Markus A Boesl, John H Krystal, Chadi G Abdallah
Posttraumatic stress disorder (PTSD) is a chronic and debilitating psychiatric disorder afflicting millions of individuals across the world. While the availability of robust pharmacologic interventions is quite lacking, our understanding of the putative neurobiological underpinnings of PTSD has significantly increased over the past two decades. Accumulating evidence demonstrates aberrant glutamatergic function in mood, anxiety, and trauma-related disorders and dysfunction in glutamate neurotransmission is increasingly considered a cardinal feature of stress-related psychiatric disorders including PTSD...
December 1, 2016: Neuroscience Letters
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