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Augmentation depression

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https://www.readbyqxmd.com/read/28097008/preclinical-findings-predicting-efficacy-and-side-effect-profile-of-ly2940094-an-antagonist-of-nociceptin-receptors
#1
Jeffrey M Witkin, Linda M Rorick-Kehn, Mark J Benvenga, Benjamin L Adams, Scott D Gleason, Karen M Knitowski, Xia Li, Steven Chaney, Julie F Falcone, Janice W Smith, Julie Foss, Kirsti Lloyd, John T Catlow, David L McKinzie, Kjell A Svensson, Vanessa N Barth, Miguel A Toledo, Nuria Diaz, Celia Lafuente, Alma Jiménez, Alfonso Benito, Conception Pedregal, Maria A Martínez-Grau, Anke Post, Michael A Ansonoff, John E Pintar, Michael A Statnick
Nociceptin/Orphanin FQ (N/OFQ) is a 17 amino acid peptide whose receptor is designated ORL1 or nociceptin receptor (NOP). We utilized a potent, selective, and orally bioavailable antagonist with documented engagement with NOP receptors in vivo to assess antidepressant- and anxiolytic-related pharmacological effects of NOP receptor blockade along with measures of cognitive and motor impingement. LY2940094 ([2-[4-[(2-chloro-4,4-difluoro-spiro[5H-thieno[2,3-c]pyran-7,4'-piperidine]-1'-yl)methyl]-3-methyl-pyrazol-1-yl]-3-pyridyl]methanol) displayed antidepressant-like behavioral effects in the forced-swim test in mice, an effect absent in NOP (-/-) mice...
December 2016: Pharmacology Research & Perspectives
https://www.readbyqxmd.com/read/28096676/aripiprazole-augmentation-in-managing-comorbid-obsessive-compulsive-disorder-and-bipolar-disorder-a-case-with-suicidal-attempts
#2
Jianbo Lai, Qiaoqiao Lu, Peng Zhang, Tingting Xu, Yi Xu, Shaohua Hu
Comorbid obsessive-compulsive disorder (OCD) and bipolar disorder (BD) have long been an intractable problem in clinical practice. The increased risk of manic/hypomanic switch hinders the use of antidepressants for managing coexisting OCD symptoms in BD patients. We herein present a case of a patient with BD-OCD comorbidity, who was successfully treated with mood stabilizers and aripiprazole augmentation. The young female patient reported recurrent depressive episodes and aggravating compulsive behaviors before hospitalization...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28091578/temporal-dynamics-of-cerebellar-and-motor-cortex-physiological-processes-during-motor-skill-learning
#3
D Spampinato, P Celnik
Learning motor tasks involves distinct physiological processes in the cerebellum (CB) and primary motor cortex (M1). Previous studies have shown that motor learning results in at least two important neurophysiological changes: modulation of cerebellar output mediated in-part by long-term depression of parallel fiber-Purkinje cell synapse and induction of long-term plasticity (LTP) in M1, leading to transient occlusion of additional LTP-like plasticity. However, little is known about the temporal dynamics of these two physiological mechanisms during motor skill learning...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28079228/attenuated-recovery-of-contractile-function-in-aging-hearts-following-global-ischemia-reperfusion-role-of-extracellular-hsp27-and-tlr4
#4
Lihua Ao, Yufeng Zhai, Chunhua Jin, Joseph C Cleveland, David A Fullerton, Xianzhong Meng
BACKGROUND: While cardiac functional recovery is attenuated in the elderly following cardiac surgery with obligatory global myocardial ischemia/reperfusion (I/R), the underlying mechanism remains incompletely understood. We observed previously that human and mouse myocardium releases heat shock protein (HSP) 27 during global I/R. Extracellular HSP27 induces myocardial inflammatory response and plays a role in post-ischemic cardiac dysfunction in adult mouse hearts. OBJECTIVE: This study was to determine the role of extracellular HSP27 and Toll-like receptor 4 (TLR4) in the attenuated functional recovery in aging mouse hearts following global I/R...
December 19, 2016: Molecular Medicine
https://www.readbyqxmd.com/read/28070121/nrsf-dependent-epigenetic-mechanisms-contribute-to-programming-of-stress-sensitive-neurons-by-neonatal-experience-promoting-resilience
#5
A Singh-Taylor, J Molet, S Jiang, A Korosi, J L Bolton, Y Noam, K Simeone, J Cope, Y Chen, A Mortazavi, T Z Baram
Resilience to stress-related emotional disorders is governed in part by early-life experiences. Here we demonstrate experience-dependent re-programming of stress-sensitive hypothalamic neurons, which takes place through modification of neuronal gene expression via epigenetic mechanisms. Specifically, we found that augmented maternal care reduced glutamatergic synapses onto stress-sensitive hypothalamic neurons and repressed expression of the stress-responsive gene, Crh. In hypothalamus in vitro, reduced glutamatergic neurotransmission recapitulated the repressive effects of augmented maternal care on Crh, and this required recruitment of the transcriptional repressor repressor element-1 silencing transcription factor/neuron restrictive silencing factor (NRSF)...
January 10, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28068613/behavioral-activation-treatment-for-major-depression-a-randomized-trial-of-the-efficacy-of-augmentation-with-cognitive-control-training
#6
Samantha J Moshier, Michael W Otto
BACKGROUND: Major depressive disorder (MDD) is associated with hypoactivation of the dorsolateral prefrontal cortex, a brain region involved in emotion regulation and basic cognitive control processes. Recent studies have indicated that computerized interventions designed to activate this region may reduce depressive and ruminative symptoms. In this double-blind randomized controlled trial, we tested whether one such program, called Cognitive Control Training (CCT), enhanced treatment outcomes when used in adjunct to brief behavior therapy for MDD...
January 3, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28058799/impact-of-asd-traits-on-treatment-outcomes-of-eating-disorders-in-girls
#7
Catherine S Stewart, Fiona S McEwen, Anna Konstantellou, Ivan Eisler, Mima Simic
Evidence links high levels of Autism Spectrum Disorder Traits in women with chronicity of anorexia nervosa. This study reports through clinical audit the impact of ASD traits on treatment outcomes of girls who were referred for treatment in a specialist eating disorder service. Presence of current, but not early childhood, ASD traits was elevated in comparison with previously reported community samples. Current ASD traits were correlated with emotional disorders and with need for treatment augmentation (psychiatric inpatient or day patient admission), but this relationship was not significant after the contribution of depression had been controlled for...
January 6, 2017: European Eating Disorders Review: the Journal of the Eating Disorders Association
https://www.readbyqxmd.com/read/28057459/parabrachial-pituitary-adenylate-cyclase-activating-polypeptide-activation-of-amygdala-endosomal-extracellular-signal-regulated-kinase-signaling-regulates-the-emotional-component-of-pain
#8
Galen Missig, Linda Mei, Margaret A Vizzard, Karen M Braas, James A Waschek, Kerry J Ressler, Sayamwong E Hammack, Victor May
BACKGROUND: Chronic pain and stress-related psychopathologies, such as depression and anxiety-associated abnormalities, are mutually reinforcing; however, the neuronal circuits and mechanisms that underlie this reinforcement are still not well understood. Pituitary adenylate cyclase activating polypeptide (PACAP; Adcyap1) and its cognate PAC1 receptor (Adcyap1r1) are expressed in peripheral nociceptive pathways, participate in anxiety-related responses and have been have been linked to posttraumatic stress disorder and other mental health afflictions...
August 29, 2016: Biological Psychiatry
https://www.readbyqxmd.com/read/28035869/comparative-efficacy-and-tolerability-of-pharmacological-and-somatic-interventions-in-adult-patients-with-treatment-resistant-depression-a-systematic-review-and-network-meta-analysis
#9
Katerina Papadimitropoulou, Carla Vossen, Andreas Karabis, Christina Donatti, Nicole Kubitz
OBJECTIVE: Major depressive disorder (MDD) affects about 10-15% of the general population in a lifetime. A considerable number of patients fail to achieve full symptom remission despite adequate treatment and are considered treatment-resistant (TRD). The current study compared the relative efficacy and tolerability of pharmacological and somatic TRD interventions by means of a Bayesian network meta-analysis. RESEARCH DESIGN AND METHODS: An electronic literature search of MEDLINE, MEDLINE In-Process, EMBASE, PsycInfo, EconLit and Cochrane Library databases for trial published between September 2003 and September 2014 was conducted...
December 30, 2016: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28013123/a-randomized-double-blind-placebo-controlled-crossover-trial-evaluating-the-effect-of-intranasal-insulin-on-cognition-and-mood-in-individuals-with-treatment-resistant-major-depressive-disorder
#10
Danielle S Cha, Michael W Best, Christopher R Bowie, Laura Ashley Gallaugher, Hanna O Woldeyohannes, Joanna K Soczynska, Gary Lewis, Glenda MacQueen, Barbara J Sahakian, Sidney H Kennedy, Jane P Lui, Rodrigo B Mansur, Roger S McIntyre
BACKGROUND: Cognitive dysfunction in major depressive disorder (MDD) is identified as a primary therapeutic target; no current treatment is approved for the treatment of cognitive dysfunction in MDD. We examined whether intranasal insulin offered a beneficial effect across measures of cognitive function in adults with MDD. METHODS: Thirty-five adults (18-65 years of age: 47.09±9.89) meeting criteria for a major depressive episode as per the Diagnostic and Statistical Manual (DSM)-IV-Treatment Revised were included in this randomized, double blind, placebo-controlled, crossover design study...
December 18, 2016: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28012610/secondary-to-excessive-melatonin-synthesis-the-consumption-of-tryptophan-from-outside-the-blood-brain-barrier-and-melatonin-over-signaling-in-the-pars-tuberalis-may-be-central-to-the-pathophysiology-of-winter-depression
#11
José Carlos Pereira, Márcia Pradella Hallinan, Rosana Cardoso Alves
Seasonal affective disorder is defined as recurrent episodes of major depression, mania, or hypomania with seasonal onset and remission. In this class of mood disturbances, a unipolar major depressive disorder known as winter depression is common in populations living in northern latitudes far from the equator. Winter depression repeatedly occurs in the autumn or winter and remits in the spring or summer, and its etiopathogenesis is currently unknown. However, one can surmise that excessive melatonin production during the reduced duration of daily sunlight in the autumn and winter plays a role in its pathophysiology...
January 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28009532/feed-forward-regulation-of-self-selected-exercise-intensity-in-response-to-different-rates-of-arterial-deoxygenation
#12
Saro D Farra
Arterial desaturation impairs exercise performance in a dose-dependent manner. However, new theories of exercise-induced fatigue suggest that increasing rates of arterial deoxygenation augment the fatigue response during exercise. The purpose of this dissertation is to clarify if self-selected exercise intensity, while exercising at a constant rate of perceived exertion (RPE), is sensitive to alterations in the absolute arterial saturation (SPO2) and/or the rate of change in SPO2. Subjects performed constant RPE exercise for 30 min...
January 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28007500/novel-sulfoglycolipid-ig20-causes-neuroprotection-by-activating-the-phase-ii-antioxidant-response-in-rat-hippocampal-slices
#13
Eva Punzón, Fernanda García-Alvarado, Marcos Maroto, Cristina Fernández-Mendívil, Patrycja Michalska, Isabel García-Álvarez, Juan Alberto Arranz-Tagarro, Izaskun Buendia, Manuela G López, Rafael León, Luis Gandía, Alfonso Fernández-Mayoralas, Antonio G García
Compound IG20 is a newly synthesised sulphated glycolipid that promotes neuritic outgrowth and myelinisation, at the time it causes the inhibition of glial proliferation and facilitates exocytosis in chromaffin cells. Here we have shown that IG20 at 0.3-10 μM afforded neuroprotection in rat hippocampal slices stressed with veratridine, glutamate or with oxygen plus glucose deprivation followed by reoxygenation (OGD/reox). Excess production of reactive oxygen species (ROS) elicited by glutamate or ODG/reox was prevented by IG20 that also restored the depressed tissue levels of GSH and ATP in hippocampal slices subjected to OGD/reox...
December 20, 2016: Neuropharmacology
https://www.readbyqxmd.com/read/28004621/augmentation-of-phenelzine-with-aripiprazole-and-quetiapine-in-a-treatment-resistant-patient-with-psychotic-unipolar-depression-case-report-and-literature-review
#14
Jonathan M Meyer, Michael A Cummings, George Proctor
Irreversible monoamine oxidase inhibitor (MAOI) antidepressants have significant efficacy in treatment-resistant unipolar depression, but in some instances patients may not achieve remission. Among the adjunctive and augmentation strategies, certain second-generation antipsychotics (SGAs) have approval for inadequate responders to antidepressant therapy, including aripiprazole, brexpiprazole, and quetiapine, with lurasidone and the olanzapine/fluoxetine combination indicated for bipolar depression. Clinicians may eschew SGA options in part due to the limited literature on SGA-MAOI combinations, with only one published case involving aripiprazole, and none for olanzapine, lurasidone, or brexpiprazole...
December 22, 2016: CNS Spectrums
https://www.readbyqxmd.com/read/27999666/beclin-1-mediated-autophagy-may-be-involved-in-the-elderly-cognitive-and-affective-disorders-in-streptozotocin-induced-diabetic-mice
#15
Zhu-Fei Guan, Xiu-Ling Zhou, Xiao-Ming Zhang, Yu Zhang, Yan-Mei Wang, Qi-Lin Guo, Gang Ji, Guo-Feng Wu, Na-Na Wang, Hao Yang, Zhong-Yu Yu, Hou-Guang Zhou, Jing-Chun Guo, Ying-Chao Liu
BACKGROUND: Diabetes is the most common metabolic disease with many chronic complications, and cognitive disorders are one of the common complications in patients with diabetes. Previous studies have showed that autophagy played important roles in the progression of metabolic syndrome, diabetes and other diseases. So we investigated whether aged diabetic mice are prone to be associated with the cognitive and affective disorders and whether Beclin-1-mediated autophagy might be involved in thepahological process...
2016: Translational Neurodegeneration
https://www.readbyqxmd.com/read/27977289/somatic-symptoms-deserve-our-attention
#16
Kurt Kroenke
This commentary focuses on two articles in this issue which provide important insights regarding the diagnosis and management of medically unexplained symptoms (MUS). Up to half of all outpatient visits are prompted by a physical/somatic complaint of which at least a third are MUS. Analyzing data from the National Ambulatory Care Medical Survey, Gates, Petterson, Wingrove, Miller, and Klink (2016) confirmed the common finding that depression and anxiety in patients presenting with somatic symptoms are underrecognized...
December 2016: Families, Systems & Health: the Journal of Collaborative Family Healthcare
https://www.readbyqxmd.com/read/27956477/no-calorie-comfort-viewing-and-drawing-comfort-foods-similarly-augment-positive-mood-for-those-with-depression
#17
Gregory J Privitera, Deeanna Welling, Gabriela Tejada, Nicole Sweazy, Kayla N Cuifolo, Quentin W King-Shepard, P Murali Doraiswamy
Based on behavioral and neurobiological data, we tested the hypothesis that viewing/drawing visual images of comfort foods in the absence of eating will increase positive mood and that this effect is augmented for those with clinical symptoms of depression. A counterbalanced design was used for 60 participants with and without clinical symptoms in two variations: food image and food art. In each variation, participants viewed/drew foods high or low in fat/sugar; pre-post mood was recorded. Results show a consistent pattern: viewing/drawing comfort foods [food image (95% confidence interval): 2...
December 12, 2016: Journal of Health Psychology
https://www.readbyqxmd.com/read/27936452/exercise-is-an-effective-treatment-for-positive-valence-symptoms-in-major-depression
#18
Marisa Toups, Thomas Carmody, Tracy Greer, Chad Rethorst, Bruce Grannemann, Madhukar H Trivedi
INTRODUCTION: Measurement of symptoms domains and their response to treatment in relative isolation from diagnosed mental disorders has gained new urgency, as reflected by the National Institute of Mental Health's introduction of the Research Domain Criteria (RDoC). The Snaith Hamilton Pleasure Scale (SHAPS) and the Motivation and Energy Inventory (MEI) are two scales measuring positive valence symptoms. We evaluated the effect of exercise on positive valence symptoms of Major Depressive Disorder (MDD)...
February 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/27921635/a-literature-based-intervention-for-women-prisoners-preliminary-findings
#19
Josie Billington, Eleanor Longden, Jude Robinson
Purpose The purpose of this paper is to investigate whether Shared Reading (SR), a specific literature-based intervention, is transposable to a prison context and whether mental health benefits identified in other custodial and non-custodial settings were reported by women prisoners. Design/methodology/approach In all, 35 participants were recruited within an all-female maximum security prison and attended one of two weekly reading groups. Qualitative data were collected through researcher observation of the reading groups; interviews and focus group discussions with participants and prison staff; interviews with the project worker leading the reading groups; and a review of records kept by the latter during group sessions...
December 19, 2016: International Journal of Prisoner Health
https://www.readbyqxmd.com/read/27909104/loss-of-plasticity-in-the-d2-accumbens-pallidal-pathway-promotes-cocaine-seeking
#20
J A Heinsbroek, D N Neuhofer, W C Griffin, G S Siegel, A-C Bobadilla, Y M Kupchik, P W Kalivas
Distinct populations of D1- and D2-dopamine receptor expressing medium spiny neurons (D1-/D2-MSNs) comprise the nucleus accumbens, and activity in D1-MSNs promotes, while activity in D2-MSNs inhibits motivated behaviors. We used chemogenetics to extend D1-/D2-MSN cell specific regulation to cue-reinstated cocaine seeking in a mouse model of self-administration and relapse, and found that either increasing activity in D1-MSNs or decreasing activity in D2-MSNs augmented cue-induced reinstatement. Both D1- and D2-MSNs provide substantial GABAergic innervation to the ventral pallidum, and chemogenetic inhibition of ventral pallidal neurons blocked the augmented reinstatement elicited by chemogenetic regulation of either D1- or D2-MSNs...
December 1, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
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