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Depression subtypes

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https://www.readbyqxmd.com/read/28441649/home-based-physical-behavior-in-late-stage-parkinson-disease-dementia-differences-between-cognitive-subtypes
#1
Bernhard Cerff, Walter Maetzler, Patricia Sulzer, Malte Kampmeyer, Jos Prinzen, Markus A Hobert, Dominik Blum, Rob van Lummel, Silvia Del Din, Susanne Gräber, Daniela Berg, Inga Liepelt-Scarfone
BACKGROUND: For the early diagnosis of Parkinson disease dementia (PDD), objective home-based tools are needed to quantify even mild stages of dysfunction of the activities of daily living (ADL). OBJECTIVES: In this pilot study, home-based physical behavior was assessed to examine whether it is possible to distinguish mild cognitive impairment (PD-MCI) from PDD. METHODS: Fifty-five patients with mild to severe Parkinson disease (PD) participated in this cross-sectional study...
April 26, 2017: Neuro-degenerative Diseases
https://www.readbyqxmd.com/read/28439746/plasma-phosphatidylethanolamine-and-triacylglycerol-fatty-acid-concentrations-are-altered-in-major-depressive-disorder-patients-with-seasonal-pattern
#2
Yurika Otoki, Marie Hennebelle, Anthony J Levitt, Kiyotaka Nakagawa, Walter Swardfager, Ameer Y Taha
Disturbances in peripheral and brain lipid metabolism, including the omega-3 fatty acid docosahexaenoic acid (DHA), have been reported in major depressive disorder (MDD). However, these changes have yet to be confirmed in MDD with seasonal pattern (MDD-s), a subtype of recurrent MDD. The present exploratory study quantified plasma plasmalogen and diacyl-phospholipid species, and fatty acids within total phospholipids, cholesteryl esters, triacylglycerols and free fatty acids in non-medicated MDD-s participants (n = 9) during euthymia in summer or fall, and during depression in winter in order to screen for potential high sensitivity lipid biomarkers...
April 24, 2017: Lipids
https://www.readbyqxmd.com/read/28438331/-the-intestinal-microbiota-a-new-player-in-depression
#3
M Meyrel, L Varin, B Detaint, F Mouaffak
Depression is the leading cause of disability in the world according to the World Health Organization. The effectiveness of the available antidepressant therapies is limited. Data from the literature suggest that some subtypes of depression may be associated with chronic low grade inflammation. The uncovering of the role of intestinal microbiota in the development of the immune system and its bidirectional communication with the brain have led to growing interest on reciprocal interactions between inflammation, microbiota and depression...
April 21, 2017: L'Encéphale
https://www.readbyqxmd.com/read/28437764/the-use-of-lithium-for-the-treatment-of-bipolar-disorder-recommendations-from-clinical-practice-guidelines
#4
Gin S Malhi, Danielle Gessler, Tim Outhred
BACKGROUND: Lithium is an effective mood stabilizer that is used principally for the management of bipolar disorder (BD). Its administration is complex and often requires sophisticated management and assiduous monitoring. When considering the use of lithium therapy for bipolar disorder, clinicians are advised to refer to recommendations outlined in clinical practice guidelines (CPGs); but because of varying emphases placed by different international CPGs, recommendations addressing the practical use of lithium lack consistency...
March 27, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28436681/psychometric-validation-of-the-geriatric-suicide-ideation-scale-gsis-among-older-adults-with-bipolar-disorder
#5
Norm O'Rourke, Marnin J Heisel, Sarah L Canham, Andrew Sixsmith, Hamed Yaghoubi-Shahir, David B King
OBJECTIVES: Across age groups, bipolar disorder (BD) carries the greatest risk of death by suicide of all psychiatric conditions; 25%-50% of those with BD will make one or more suicide attempt. Psychometrically sound instruments are required to reliably measure suicide ideation and risk of self-harm for older adults with BD. For this study, we validate the geriatric suicide ideation scale (GSIS) with adults 50+ years with BD. METHODS: We recruited a global sample of 220 older adults with BD (M = 58...
April 24, 2017: Aging & Mental Health
https://www.readbyqxmd.com/read/28432499/depressive-symptoms-and-tobacco-use-does-religious-orientation-play-a-protective-role
#6
Stacy C Parenteau
Many studies have established an association between depression and smoking. The main objective of this study was to determine whether religious orientation moderates the relationship between depressive symptoms and tobacco use. This study utilized a cross-sectional data collection strategy to examine the relationship among depressive symptoms, religious orientation, and tobacco use among undergraduate students (N = 349) at a midsize southeastern university. Participants completed a demographic questionnaire, the Center for Epidemiologic Studies Depression Scale, the Extrinsic/Intrinsic Religious Orientation Scale-Revised and the Drinking and Drug Habits Questionnaire...
April 21, 2017: Journal of Religion and Health
https://www.readbyqxmd.com/read/28431685/galr3-mediates-galanin-proliferative-effects-on-postnatal-hippocampal-precursors
#7
D Khan, M Khan, Johan Runesson, M Zaben, W P Gray
Galanin, a neuropeptide co-released from noradrenergic and serotonergic projection neurons to the dentate gyrus, has recently emerged as an important mediator for signaling neuronal activity to the subgranular neurogenic stem cell niche supporting adult hippocampal neurogenesis. Galanin and its receptors appear to play key roles in depression-like behavior, and effects on hippocampal neurogenesis are relevant to pharmacological strategies for treating depression, which in part appear to rely on restoring altered neurogenesis...
April 5, 2017: Neuropeptides
https://www.readbyqxmd.com/read/28421533/changes-in-the-prefrontal-glutamatergic-and-parvalbumin-systems-of-mice-exposed-to-unpredictable-chronic-stress
#8
Ryan Shepard, Laurence Coutellier
The prefrontal cortex (PFC) is highly sensitive to the effects of stress, a known risk factor of mood disorders including anxiety and depression. Abnormalities in PFC functioning have been well described in humans displaying stress-induced depressive symptoms, and hypoactivity of the PFC is now recognized to be a key feature of the depressed brain. However, little is known about the causes and mechanisms leading to this altered prefrontal functional activity in the context of stress-related mood disorders. We previously showed that unpredictable chronic mild stress (UCMS) in mice increases prefrontal expression of parvalbumin (PV), an activity-dependent calcium-binding albumin protein expressed in a specific subtype of GABAergic neurons, highlighting a potential mechanism through which chronic stress leads to hypofunction of the PFC...
April 18, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28414989/role-of-cortical-alpha-2-adrenoceptors-in-alcohol-withdrawal-induced-depression-and-tricyclic-antidepressants
#9
Bruk Getachew, Sheketha R Hauser, Antonei B Csoka, Robert E Taylor, Yousef Tizabi
INTRODUCTION: Although a role for alpha-2 adrenoceptors (alpha-2 ARs) in alcohol use disorder (AUD) and depression is suggested, very little information on a direct interaction between alcohol and these receptors is available. METHODS: In this study adult female Wistar and Wistar-Kyoto (WKY) rats, a putative animal model of depression, were exposed to alcohol vapor 3h daily for 10days (blood alcohol concentration ∼150mg%) followed by daily injection of 10mg/kg of imipramine (IMP, a selective norepinephrine NE/serotonin reuptake inhibitor) or nomifensine (NOMI, a selective NE/dopamine reuptake inhibitor)...
April 4, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28408330/muscarinic-cholinoreceptors-m1-m2-m3-and-m4-type-modulate-the-acetylcholine-secretion-in-the-frog-neuromuscular-junction
#10
Andrei N Tsentsevitsky, Irina V Kovyazina, Leniz F Nurullin, Eugeny E Nikolsky
Muscarinic cholinoreceptors regulate the neurosecretion process in vertebrate neuromuscular junctions. The diversity of muscarinic effects on acetylcholine (ACh) secretion may be attributed to the different muscarinic subtypes involved in this process. In the present study, the location of five muscarinic receptor subtypes (M1, M2, M3, M4 and M5) on the motor nerve terminals of frog cutaneous pectoris muscle was shown using specific polyclonal antibodies. The modulatory roles of these receptors were investigated via assessment of the effects of muscarine and specific muscarinic antagonists on the quantal content of endplate currents (EPCs) and the time course of secretion, which was estimated from the distribution of "real" synaptic delays of EPCs recorded in a low Ca(2+)/high Mg(2+) solution...
April 10, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28403655/prevalence-mortality-and-health-care-use-among-patients-with-cluster-b-personality-disorders-clinically-diagnosed-in-quebec
#11
Lionel Cailhol, Éric Pelletier, Louis Rochette, Lise Laporte, Pierre David, Évens Villeneuve, Joel Paris, Alain Lesage
BACKGROUND: Cluster B personality disorders (PDs) are prevalent mental health conditions in the general population (1%-6% depending on the subtype and study). Affected patients are known to be heavier users of both mental and medical health care systems than patients with other clinical conditions such as depression. METHODS: Several rates were estimated using data from the integrated monitoring system for chronic diseases in the province of Quebec, Canada. It provides a profile of annual and period prevalence rates, mortality rates, and years of lost life as well as health care utilisation rates for Quebec residents...
January 1, 2017: Canadian Journal of Psychiatry. Revue Canadienne de Psychiatrie
https://www.readbyqxmd.com/read/28401324/testing-a-higher-order-model-of-internalizing-and-externalizing-behavior-the-role-of-aggression-subtypes
#12
Kristin J Perry, Jamie M Ostrov
This study assessed how the forms and functions of aggression fit into a higher order model of internalizing and externalizing behavior, for children in early childhood (N = 332, M age = 47.11 months, SD = 7.32). The lower order internalizing factors were depressed affect, anxious-fearfulness, and asocial behavior (i.e., social withdrawal) and the lower order externalizing factors were deception and hyperactivity. The forms and functions of aggression were crossed to create four factors: reactive relational, reactive physical, proactive relational, and proactive physical aggression...
April 11, 2017: Child Psychiatry and Human Development
https://www.readbyqxmd.com/read/28399104/-a-history-and-overview-of-anhedonia-in-endogenous-mental-disorders
#13
P S Kananovich, A N Barkhatova
Anhedonia is the inability to experience pleasure. This disorder is heterogeneous across psychiatric disorders and is difficult for measuring and submitting to scientific analysis. Over the last several decades there has been increasing interest in the role that anhedonia plays in various psychopathologies. This article reviews the recent literature on anhedonia and its psychopathological features, which are important for prognosis in affective disorders and schizophrenia. Attempts to dissect various subtypes of anhedonia observed in negative syndrome and depression are reviewed as well...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28375206/malpa1-null-mice-as-an-endophenotype-of-anxious-depression
#14
R D Moreno-Fernández, M Pérez-Martín, E Castilla-Ortega, C Rosell Del Valle, M I García-Fernández, J Chun, G Estivill-Torrús, F Rodríguez de Fonseca, L J Santín, C Pedraza
Anxious depression is a prevalent disease with devastating consequences and a poor prognosis. Nevertheless, the neurobiological mechanisms underlying this mood disorder remain poorly characterized. The LPA1 receptor is one of the six characterized G protein-coupled receptors (LPA1-6) through which lysophosphatidic acid acts as an intracellular signalling molecule. The loss of this receptor induces anxiety and several behavioural and neurobiological changes that have been strongly associated with depression...
April 4, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28374655/childhood-maltreatment-in-children-born-of-occupation-after-wwii-in-germany-and-its-association-with-mental-disorders
#15
Heide Glaesmer, Philipp Kuwert, Elmar Braehler, Marie Kaiser
BACKGROUND: Children born of war are a common phenomenon of conflict. In the aftermath of World War II, more than 200,000 German occupation children (GOC) were fathered by occupation soldiers and born to local women. GOC often grew up under difficult conditions and showed high prevalence rates of mental disorders even decades later. METHODS: Experiences of childhood maltreatment and their association with Posttraumatic Stress Disorder (PTSD), depression, and somatization in GOC (N = 146) are investigated and compared with a representative birth-cohort-matched sample (BCMS) from the German general population (N = 920)...
April 4, 2017: International Psychogeriatrics
https://www.readbyqxmd.com/read/28369611/attacking-heterogeneity-in-schizophrenia-by-deriving-clinical-subgroups-from-widely-available-symptom-data
#16
Dwight Dickinson, Danielle N Pratt, Evan J Giangrande, MeiLin Grunnagle, Jennifer Orel, Daniel R Weinberger, Joseph H Callicott, Karen F Berman
Previous research has identified (1) a "deficit" subtype of schizophrenia characterized by enduring negative symptoms and diminished emotionality and (2) a "distress" subtype associated with high emotionality-including anxiety, depression, and stress sensitivity. Individuals in deficit and distress categories differ sharply in development, clinical course and behavior, and show distinct biological markers, perhaps signaling different etiologies. We tested whether deficit and distress subtypes would emerge from a simple but novel data-driven subgrouping analysis, based on Positive and Negative Syndrome Scale (PANSS) negative and distress symptom dimensions, and whether subgrouping was informative regarding other facets of behavior and brain function...
March 20, 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/28369312/depressive-disorder-subtypes-as-predictors-of-incident-obesity-in-us-adults-moderation-by-race-ethnicity
#17
Brittanny M Polanka, Elizabeth A Vrany, Jay Patel, Jesse C Stewart
We compared the relative importance of atypical major depressive disorder (MDD), nonatypical MDD, and dysthymic disorder in predicting 3-year obesity incidence and change in body mass index and determined whether race/ethnicity moderated these relationships. We examined data from 17,787 initially nonobese adults in the National Epidemiologic Survey on Alcohol and Related Conditions waves 1 (2001-2002) and 2 (2004-2005) who were representative of the US population. Lifetime subtypes of depressive disorders were determined using a structured interview, and obesity outcomes were computed from self-reported height and weight...
March 22, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28365522/longitudinal-course-and-characteristics-of-cyclothymic-disorder-in-youth
#18
Anna R Van Meter, Eric A Youngstrom, Boris Birmaher, Mary A Fristad, Sarah M Horwitz, Thomas W Frazier, L Eugene Arnold, Robert L Findling
OBJECTIVES: Epidemiological studies suggest that cyclothymic disorder is the most prevalent subtype of bipolar disorder (BD). However, it is rarely diagnosed, especially in youth. This may be because it can be difficult to ascertain whether a youth meets diagnostic criteria. Clearer, easy-to-apply criteria could reduce misdiagnosis. The objective oftable this study was to determine whether proposed research diagnostic criteria for cyclothymic disorder (RDCyc), based on DSM-5 criteria, could be quantified and validated in youth...
March 14, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28364620/a-personality-based-latent-class-typology-of-outpatients-with-major-depressive-disorder-association-with-symptomatology-prescription-pattern-and-social-function
#19
Hiroaki Hori, Toshiya Teraishi, Anna Nagashima, Norie Koga, Miho Ota, Kotaro Hattori, Yoshiharu Kim, Teruhiko Higuchi, Hiroshi Kunugi
BACKGROUND: While major depressive disorder (MDD) is considered to be a heterogeneous disorder, the nature of the heterogeneity remains unclear. Studies have attempted to classify patients with MDD using latent variable techniques, yet the empirical approaches to symptom-based subtyping of MDD have not provided conclusive evidence. Here we aimed to identify homogeneous classes of MDD based on personality traits, using a latent profile analysis. METHODS: We studied 238 outpatients with DSM-IV MDD recruited from our specialized depression outpatient clinic and assessed their dimensional personality traits with the Temperament and Character Inventory...
March 27, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28356618/affective-temperament-profile-in-ankylosing-spondylitis-patients-using-temps-a
#20
Tulay Yildirim, Dilek Solmaz, Murat Emul, Gurkan Akgol, Dilek Yalvac, Yuksel Ersoy
[Purpose] This study aimed to compare the most common dominant affective temperaments in Ankylosing Spondylitis patients and investigate the relationship between the dominant affective temperaments and pain levels, disease activity, quality of life, current depression, and anxiety level in Ankylosing Spondylitis patients. [Subjects and Methods] Fifty-one patients diagnosed with axial spondiloartropathy and forty-two age- and gender-matched control subjects were included in this study. Disease duration, erythrocyte sedimentation rate, serum C-reactive protein, pain by the Visual Analog Scale, disease activity by the Bath Ankylosing Spondylitis Disease Activity Index, functional status by the Bath Ankylosing Spondylitis Functional Index; psychological status by the Beck Depression Inventory, Beck Anxiety Inventory and overall health assessment by the Ankylosing Spondylitis Quality of Life Scale were assessed in patients...
March 2017: Journal of Physical Therapy Science
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