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Depression and mood disorders

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12 papers 100 to 500 followers
Benjamin Adam Samuels, Katherine M Nautiyal, Andrew C Kruegel, Marjorie R Levinstein, Valerie M Magalong, Madalee M Gassaway, Steven G Grinnell, Jaena Han, Michael A Ansonoff, John E Pintar, Jonathan A Javitch, Dalibor Sames, René Hen
Depression is a debilitating chronic illness that affects around 350 million people worldwide. Current treatments, such as selective serotonin reuptake inhibitors, are not ideal because only a fraction of patients achieve remission. Tianeptine is an effective antidepressant with a previously unknown mechanism of action. We recently reported that tianeptine is a full agonist at the mu opioid receptor (MOR). Here we demonstrate that the acute and chronic antidepressant-like behavioral effects of tianeptine in mice require MOR...
September 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
J Straub, C D Metzger, P L Plener, M G Koelch, G Groen, B Abler
BACKGROUND: Current resting state imaging findings support suggestions that the neural signature of depression and therefore also its therapy should be conceptualized as a network disorder rather than a dysfunction of specific brain regions. In this study, we compared neural connectivity of adolescent patients with depression (PAT) and matched healthy controls (HC) and analysed pre-to-post changes of seed-based network connectivities in PAT after participation in a cognitive behavioral group psychotherapy (CBT)...
February 2017: Journal of Affective Disorders
Peter J Colvonen, Lisa H Glassman, Laura D Crocker, Melissa M Buttner, Henry Orff, Dawn M Schiehser, Sonya B Norman, Niloofar Afari
Although our understanding of the relationship between posttraumatic stress disorder (PTSD), brain structure and function, neural networks, stress-related systems, and genetics is growing, there is considerably less attention given to which biological markers predict evidence-based PTSD psychotherapy outcomes. Our systematic PRISMA-informed review of 20 studies examined biomarkers as predictors of evidence-based PTSD psychotherapy outcomes. Results provide preliminary evidence that specific structural and functional neural systems (involved in information processing), glucocorticoid sensitivity and metabolism (part of the hypothalamic-pituitary-adrenal axis and the response to stress), heart rate (involved with fear habituation), gene methylation, and certain genotypes (associated with serotonin and glucocorticoids) predicted positive response to PTSD treatment...
April 2017: Neuroscience and Biobehavioral Reviews
John J Sramek, Michael F Murphy, Neal R Cutler
Although a number of studies have observed that females respond better to serotonergic antidepressants than males and that postmenopausal females have a diminished response to antidepressants compared with younger females, there are also studies that conflict with both of these findings, making any generalizations regarding sex differences difficult to make. Sex variance in antidepressant efficacy and pharmacokinetics profiles have been attributed to sex-based physiological differences, behavioral differences, related disorders, and sex-specific conditions, including pregnancy and menopause...
December 2016: Dialogues in Clinical Neuroscience
Albino J Oliveira-Maia, Ana-Lucia Garcia-Guarniz, Antigoni Sinanis, Alvaro Pascual-Leone, Daniel Press
No abstract text is available yet for this article.
June 2016: Journal of Clinical Psychiatry
Barbara Milrod
No abstract text is available yet for this article.
May 2016: Journal of Clinical Psychiatry
Brisa S Fernandes, Olivia M Dean, Seetal Dodd, Gin S Malhi, Michael Berk
OBJECTIVE: To assess the utility of N-acetylcysteine administration for depressive symptoms in subjects with psychiatric conditions using a systematic review and meta-analysis. DATA SOURCES: A computerized literature search was conducted in MEDLINE, Embase, the Cochrane Library, SciELO, PsycINFO, Scopus, and Web of Knowledge. No year or country restrictions were used. The Boolean terms used for the electronic database search were (NAC OR N-acetylcysteine OR acetylcysteine) AND (depression OR depressive OR depressed) AND (trial)...
April 2016: Journal of Clinical Psychiatry
Zhen Ren, Horia Pribiag, Sarah J Jefferson, Matthew Shorey, Thomas Fuchs, David Stellwagen, Bernhard Luscher
BACKGROUND: Major depressive disorder is increasingly recognized to involve functional deficits in both gamma-aminobutyric acid (GABA)ergic and glutamatergic synaptic transmission. To elucidate the relationship between these phenotypes, we used GABAA receptor γ2 subunit heterozygous (γ2(+/-)) mice, which we previously characterized as a model animal with construct, face, and predictive validity for major depressive disorder. METHODS: To assess possible consequences of GABAergic deficits on glutamatergic transmission, we quantitated the cell surface expression of N-methyl-D-aspartate (NMDA)-type and alpha-amino-3-hydroxy-5-methyl-4-isoxazole propionic acid (AMPA)-type glutamate receptors and the function of synapses in the hippocampus and medial prefrontal cortex of γ2(+/-) mice...
September 15, 2016: Biological Psychiatry
Jerome Sarris, Jenifer Murphy, David Mischoulon, George I Papakostas, Maurizio Fava, Michael Berk, Chee H Ng
OBJECTIVE: There is burgeoning interest in augmentation strategies for improving inadequate response to antidepressants. The adjunctive use of standardized pharmaceutical-grade nutrients, known as nutraceuticals, has the potential to modulate several neurochemical pathways implicated in depression. While many studies have been conducted in this area, to date no specialized systematic review (or meta-analysis) has been conducted. METHOD: A systematic search of PubMed, CINAHL, Cochrane Library, and Web of Science was conducted up to December 2015 for clinical trials using adjunctive nutrients for depression...
June 1, 2016: American Journal of Psychiatry
Ross Balchin, Jani Linde, Dee Blackhurst, Hg Laurie Rauch, Georg Schönbächler
BACKGROUND: In periods of prolonged stress and pain the body produces endorphins to help endure pain. The PANIC system is built on the same pathways as the pain system and is characterized by behaviour that looks like depression. The term 'mental pain' in the context of feelings of loss is arguably justified in light of this relationship between the physical pain and social loss systems. It is reasonable to expect that endorphin release ameliorates depression. METHODS: Moderately depressed males (n=30) were randomly assigned to one of three groups of varying exercise intensity...
August 2016: Journal of Affective Disorders
Ruin Moaddel, David A Luckenbaugh, Ying Xie, Alma Villaseñor, Nancy E Brutsche, Rodrigo Machado-Vieira, Anuradha Ramamoorthy, Maria Paz Lorenzo, Antonia Garcia, Michel Bernier, Marc C Torjman, Coral Barbas, Carlos A Zarate, Irving W Wainer
RATIONALE: (R,S)-ketamine is a rapid and effective antidepressant drug that produces a response in two thirds of patients with treatment-resistant depression (TRD). The underlying biochemical differences between a (R,S)-ketamine responder (KET-R) and non-responder (KET-NR) have not been definitively identified but may involve serine metabolism. OBJECTIVES: The aim of the study was to examine the relationship between baseline plasma concentrations of D-serine and its precursor L-serine and antidepressant response to (R,S)-ketamine in TRD patients...
January 2015: Psychopharmacology
A F Jorm, H Christensen, J Medway, A E Korten, P A Jacomb, B Rodgers
BACKGROUND: Previous research has found that there are major differences between public and professional beliefs about the helpfulness of interventions for depression. The public appear to be guided by general belief systems about the helpfulness of medical, psychological and lifestyle interventions rather than by specific knowledge about what interventions are effective for depression. The present paper examines the effect that experiencing depression and receiving treatment might have on these beliefs...
May 2000: Social Psychiatry and Psychiatric Epidemiology
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