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https://www.readbyqxmd.com/read/27913254/quetiapine-treatment-reverses-depressive-like-behavior-and-reduces-dna-methyltransferase-activity-induced-by-maternal-deprivation
#1
Zuleide M Ignácio, Gislaine Z Réus, Helena M Abelaira, Amanda L Maciel, Airam B de Moura, Danyela Matos, Júlia P Demo, Júlia B I da Silva, Fernanda F Gava, Samira S Valvassori, André F Carvalho, João Quevedo
Stress in early life has been appointed as an important phenomenon in the onset of depression and poor response to treatment with classical antidepressants. Furthermore, childhood trauma triggers epigenetic changes, which are associated with the pathophysiology of major depressive disorder (MDD). Treatment with atypical antipsychotics such as quetiapine, exerts therapeutic effect for MDD patients and induces epigenetic changes. This study aimed to analyze the effect of chronic treatment with quetiapine (20mg/kg) on depressive-like behavior of rats submitted to maternal deprivation (MD), as well as the activity of histone acetylation by the enzymes histone acetyl transferases (HAT) and deacetylases (HDAC) and DNA methylation, through DNA methyltransferase enzyme (DNMT) in the prefrontal cortex (PFC), nucleus accumbens (NAc) and hippocampus...
November 29, 2016: Behavioural Brain Research
https://www.readbyqxmd.com/read/27911380/method-for-identifying-small-molecule-inhibitors-of-the-protein-protein-interaction-between-hcn1-and-trip8b
#2
Ye Han, Kyle A Lyman, Matt Clutter, Gary E Schiltz, Quratul-Ain Ismail, Xiangying Cheng, Chi-Hao Luan, Dane M Chetkovich
Hyperpolarization-activated cyclic nucleotide-gated (HCN) channels are expressed ubiquitously throughout the brain, where they function to regulate the excitability of neurons. The subcellular distribution of these channels in pyramidal neurons of hippocampal area CA1 is regulated by tetratricopeptide repeat-containing Rab8b interacting protein (TRIP8b), an auxiliary subunit. Genetic knockout of HCN pore forming subunits or TRIP8b, both lead to an increase in antidepressant-like behavior, suggesting that limiting the function of HCN channels may be useful as a treatment for Major Depressive Disorder (MDD)...
November 11, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27909456/serum-cytokine-levels-in-major-depressive-disorder-and-its-role-in-antidepressant-response
#3
Woojae Myung, Shinn-Won Lim, Hye In Woo, Jin Hong Park, Sanghong Shim, Soo-Youn Lee, Doh Kwan Kim
OBJECTIVE: Cytokines have been reported to have key roles in major depressive disorder (MDD). However, much less is known about cytokines in MDD and antidepressant treatment due to the diversity of cytokines and the heterogeneity of depression. We investigated the levels of cytokines in patients with MDD compared with healthy subjects and their associations with antidepressant response. METHODS: We investigated the changes of several cytokines (eotaxin, sCD40L, IL-8, MCP-1alpha, TNF-alpha, INF-gamma and MIP-1alpha) by Luminex assay in 66 patients with MDD and 22 healthy controls...
November 2016: Psychiatry Investigation
https://www.readbyqxmd.com/read/27909451/gender-differences-in-somatic-symptoms-and-current-suicidal-risk-in-outpatients-with-major-depressive-disorder
#4
Hong Jin Jeon, Jong-Min Woo, Hyo-Jin Kim, Maurizio Fava, David Mischoulon, Seong Jin Cho, Sung Man Chang, Doo-Heum Park, Jong Woo Kim, Ikki Yoo, Jung-Yoon Heo, Jin Pyo Hong
OBJECTIVE: Although somatic symptoms are common complaints of patients with major depressive disorder (MDD), their associations with suicide are still unclear. METHODS: A total of 811 MDD outpatients of aged between 18 to 64 years were enrolled nationwide in Korea with the suicidality module of the Mini-International Neuropsychiatric Interview (MINI) and the Depression and Somatic Symptom Scale (DSSS). RESULTS: On stepwise regression analysis, current suicidality scores were most strongly associated with chest pain in men, and neck or shoulder pain in women...
November 2016: Psychiatry Investigation
https://www.readbyqxmd.com/read/27908899/undertreatment-of-people-with-major-depressive-disorder-in-21-countries
#5
Graham Thornicroft, Somnath Chatterji, Sara Evans-Lacko, Michael Gruber, Nancy Sampson, Sergio Aguilar-Gaxiola, Ali Al-Hamzawi, Jordi Alonso, Laura Andrade, Guilherme Borges, Ronny Bruffaerts, Brendan Bunting, Jose Miguel Caldas de Almeida, Silvia Florescu, Giovanni de Girolamo, Oye Gureje, Josep Maria Haro, Yanling He, Hristo Hinkov, Elie Karam, Norito Kawakami, Sing Lee, Fernando Navarro-Mateu, Marina Piazza, Jose Posada-Villa, Yolanda Torres de Galvis, Ronald C Kessler
BACKGROUND: Major depressive disorder (MDD) is a leading cause of disability worldwide. AIMS: To examine the: (a) 12-month prevalence of DSM-IV MDD; (b) proportion aware that they have a problem needing treatment and who want care; (c) proportion of the latter receiving treatment; and (d) proportion of such treatment meeting minimal standards. METHOD: Representative community household surveys from 21 countries as part of the World Health Organization World Mental Health Surveys...
December 1, 2016: British Journal of Psychiatry: the Journal of Mental Science
https://www.readbyqxmd.com/read/27901522/the-effect-of-remission-status-on-work-functioning-in-employed-patients-treated-for-major-depressive-disorder
#6
David Sarfati, Kurtis Stewart, Cindy Woo, Sagar V Parikh, Lakshmi N Yatham, Raymond W Lam
BACKGROUND: The ability to function at work is impaired in patients with major depressive disorder (MDD) but few clinical trials include occupational outcome assessments. This study examined whether symptom remission following treatment for MDD is associated with work functioning improvement. METHODS: We conducted a secondary analysis of a 12-week randomized clinical trial comparing escitalopram with or without telephone-administered cognitive therapy in employed patients with MDD (N = 86)...
November 1, 2016: Annals of Clinical Psychiatry: Official Journal of the American Academy of Clinical Psychiatrists
https://www.readbyqxmd.com/read/27900342/cacna1c-protecting-young-hippocampal-neurons-in-the-adult-brain
#7
Héctor De Jesús-Cortés, Anjali M Rajadhyaksha, Andrew A Pieper
Neuropsychiatric disease is the leading cause of disability in the United States, and fourth worldwide.(1,2) Not surprisingly, human genetic studies have revealed a common genetic predisposition for many forms of neuropsychiatric disease, potentially explaining why overlapping symptoms are commonly observed across multiple diagnostic categories. For example, the CACNA1C gene was recently identified in the largest human genome-wide association study to date as a risk loci held in common across 5 major forms of neuropsychiatric disease: bipolar disorder, schizophrenia, major depressive disorder (MDD), autism spectrum disorder and attention deficit-hyperactivity disorder...
2016: Neurogenesis (Austin, Tex.)
https://www.readbyqxmd.com/read/27898323/peripheral-blood-nerve-growth-factor-levels-in-major-psychiatric-disorders
#8
Shuquan Rao, Mónica Martínez-Cengotitabengoa, Yao Yao, Zhiyun Guo, Qi Xu, Suiyan Li, Xianli Zhou, Fuquan Zhang
Nerve growth factor (NGF) plays crucial roles in promoting neural growth and survival, and mediating synaptic and morphological plasticity. Several studies investigated the correlation between peripheral NGF levels and major psychiatric disorders, including schizophrenia (SCZ), major depressive disorder (MDD) and bipolar disorder (BPD); however, the findings were inconsistent. This meta-analysis sought to investigate blood NGF levels in patients with psychiatric disorders compared with healthy subjects and examined potential effects of blood fraction, medication and disease status...
November 22, 2016: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/27898207/a-breathing-based-meditation-intervention-for-patients-with-major-depressive-disorder-following-inadequate-response-to-antidepressants-a-randomized-pilot-study
#9
Anup Sharma, Marna S Barrett, Andrew J Cucchiara, Nalaka S Gooneratne, Michael E Thase
OBJECTIVE: To evaluate feasibility, efficacy, and tolerability of Sudarshan Kriya yoga (SKY) as an adjunctive intervention in patients with major depressive disorder (MDD) with inadequate response to antidepressant treatment. METHODS: Patients with MDD (defined by DSM-IV-TR) who were depressed despite ≥ 8 weeks of antidepressant treatment were randomized to SKY or a waitlist control (delayed yoga) arm for 8 weeks. The primary efficacy end point was change in 17-item Hamilton Depression Rating Scale (HDRS-17) total score from baseline to 2 months...
November 22, 2016: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/27894241/a-novel-relationship-for-schizophrenia-bipolar-and-major-depressive-disorder-part-6-a-hint-from-chromosome-6-high-density-association-screen
#10
X Chen, F Long, B Cai, X Chen, G Chen
Convergent evidence from genetics, symptomatology and psychopharmacology imply that there are intrinsic connections between schizophrenia (SCZ), bipolar disorder (BPD) and major depressive disorder (MDD), for example, any two or even three of these disorders could co-exist in some families. A total of 56.400 single nucleotide polymorphism (SNPs) on chromosome 6 were genotyped by Affymetrix Genome-Wide Human SNP array 6.0 on 119 SCZ, 253 BPD (type-I), 177 MDD patients and 1000 controls. Associated SNP loci on chromosome 6 were comprehensively revealed and outstanding susceptibility genes were identified including JARID2 (Homo sapiens jumonji, AT rich interactive domain 2) which plays an essential role in embryonic development and neural tube fusion process...
November 28, 2016: Current Molecular Medicine
https://www.readbyqxmd.com/read/27894012/depression-in-cancer-the-many-biobehavioral-pathways-driving-tumor-progression
#11
REVIEW
Beatrice Bortolato, Thomas N Hyphantis, Sara Valpione, Giulia Perini, Michael Maes, Gerwyn Morris, Marta Kubera, Cristiano A Köhler, Brisa S Fernandes, Brendon Stubbs, Nicholas Pavlidis, André F Carvalho
Major Depressive Disorder (MDD) is common among cancer patients, with prevalence rates up to four-times higher than the general population. Depression confers worse outcomes, including non-adherence to treatment and increased mortality in the oncology setting. Advances in the understanding of neurobiological underpinnings of depression have revealed shared biobehavioral mechanisms may contribute to cancer progression. Moreover, psychosocial stressors in cancer promote: (1) inflammation and oxidative/nitrosative stress; (2) a decreased immunosurveillance; and (3) a dysfunctional activation of the autonomic nervous system and of the hypothalamic-pituitaryadrenal axis...
November 16, 2016: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/27890135/human-factors-in-the-design-of-medical-devices-approaches-to-meeting-international-standards-in-the-european-union-and-usa
#12
Mary Beth Privitera, Mark Evans, Darren Southee
This paper focuses on the challenges of meeting agency requirements as it pertains to the application of human factors in the medical device development (MDD) process. Individual case studies of the design and development process for 18 medical device manufacturers located in the US and EU were analyzed and compared using a multiple case study design. The results indicate that there are four main challenges in implementing international standards. These include a lack of direct access to users for the purposes of device development; a lack of understanding by users with regards to the impact of their feedback on the development process; contract formalities limiting user exchanges; and the attitude of clinical users directly impacting on the device developer's invitation to participate in the development processes...
March 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/27889704/pharmacogenetic-studies-a-tool-to-improve-antidepressant-therapy
#13
Marta Ramos, Cecilia Berrogain, Julia Concha, Laura Lomba, Cristina Belén García, Mª Pilar Ribate
The World Health Organization (WHO) predicts that major depressive disorder (MDD) will be the second leading cause of death and disability by 2020. Nowadays, approximately 60-70% of patients with this disorder have shown the lack of effectiveness and tolerability of the therapy with antidepressants. The US Food and Drug Administration (FDA) and the European Medicine Agency (EMA) are including pharmacogenetic information in the labeling of several antidepressants. The presence of this information represents the relevance of genetic polymorphisms in drug response...
December 1, 2016: Drug Metabolism and Personalized Therapy
https://www.readbyqxmd.com/read/27888722/a-pilot-study-on-predictors-of-brainstem-raphe-abnormality-in-patients-with-major-depressive-disorder
#14
Milutin Kostić, Ana Munjiza, Danilo Pesic, Amir Peljto, Ivana Novakovic, Valerija Dobricic, Dusica Lecic Tosevski, Milija Mijajlovic
BACKGROUND: Hypo/anechogenicity of the brainstem raphe (BR) structures has been suggested as a possible transcranial parenchymal sonography (TCS) marker associated with depression. AIM: The aim of this study was to analyze possible association of the abnormal BR echogenicity in patients with major depression when compared to healthy controls, and to evaluate its clinical and genetic correlates. METHODS: TCS was performed in 53 patients diagnosed as major depressive disorder (MDD) without psychotic symptoms and in 54 healthy matched controls...
November 22, 2016: Journal of Affective Disorders
https://www.readbyqxmd.com/read/27888657/electroconvulsive-therapy-induced-brain-structural-and-functional-changes-in-major-depressive-disorders-a-longitudinal-study
#15
Haitang Qiu, Xirong Li, Wenjing Zhao, Lian Du, Peiyu Huang, Yixiao Fu, Tian Qiu, Peng Xie, Huaqing Meng, Qinghua Luo
BACKGROUND This study aimed to study the brain structural and functional changes after 8 courses of electroconvulsive therapy (ECT) on patients with major depressive disorder (MDD). MATERIAL AND METHODS MRI scans were performed on 12 depressive patients before and after 8 courses of ECT and compared with those of 15 normal controls. Data were analyzed by voxel-based morphometry (VBM) using SPM8 software. Functional MRI (fMRI) and regional homogeneity (ReHo) analyses were used to assess the functional changes after ECT...
November 26, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/27886569/effects-of-a-right-unilateral-ultrabrief-pulse-electroconvulsive-therapy-course-on-health-related-quality-of-life-in-elderly-depressed-patients
#16
W Vaughn McCall, Sarah H Lisanby, Peter B Rosenquist, Mary Dooley, Mustafa M Husain, Rebecca G Knapp, Georgios Petrides, Matthew V Rudorfer, Robert C Young, Shawn M McClintock, Martina Mueller, Joan Prudic, Robert M Greenberg, Richard D Weiner, Samuel H Bailine, Mary Anne Riley, Laryssa McCloud, Charles H Kellner
INTRODUCTION: Patients with Major Depressive Disorder (MDD) referred for electroconvulsive therapy (ECT) have poorer Health Related Quality of Life (HRQOL), compared with other patients with MDD, but ECT is associated with significant and durable improvement in HRQOL. However, no prior research has focused exclusively on elderly patients with MDD receiving ECT. METHODS: HRQOL data from 240 depressed patients over the age of 60 was measured with the Medical Outcomes Study Short Form 36 (SF-36)...
November 11, 2016: Journal of Affective Disorders
https://www.readbyqxmd.com/read/27885674/gender-differences-in-the-use-of-complementary-and-alternative-medicine-and-their-association-with-moderate-mental-distress-in-u-s-adults-with-migraines-severe-headaches
#17
Taeho Greg Rhee, Ila M Harris
OBJECTIVE: We examined whether the prevalence of complementary and alternative medicine (CAM) use varies by gender, and assessed the interaction of gender and CAM use on moderate mental distress (MMD) in U.S. adults with migraines/severe headaches. METHODS: We used data from the 2012 National Health Interview Survey, which represents non-institutionalized U.S. adults with migraines/severe headaches (n = 4645 unweighted). Using a cross-sectional design with survey sampling techniques, we conducted descriptive analyses for prevalence of CAM use by gender...
November 25, 2016: Headache
https://www.readbyqxmd.com/read/27884012/gut-microbiota-bacterial-translocation-and-interactions-with-diet-pathophysiological-links-between-major-depressive-disorder-and-non-communicable-medical-comorbidities
#18
Anastasiya Slyepchenko, Michael Maes, Felice N Jacka, Cristiano A Köhler, Tatiana Barichello, Roger S McIntyre, Michael Berk, Iria Grande, Jane A Foster, Eduard Vieta, André F Carvalho
BACKGROUND: Persistent low-grade immune-inflammatory processes, oxidative and nitrosative stress (O&NS), and hypothalamic-pituitary-adrenal axis activation are integral to the pathophysiology of major depressive disorder (MDD). The microbiome, intestinal compositional changes, and resultant bacterial translocation add a new element to the bidirectional interactions of the gut-brain axis; new evidence implicates these pathways in the patho-aetiology of MDD. In addition, abnormalities in the gut-brain axis are associated with several chronic non-communicable disorders, which frequently co-occur in individuals with MDD, including but not limited to irritable bowel syndrome (IBS), chronic fatigue syndrome (CFS), obesity, and type 2 diabetes mellitus (T2DM)...
November 25, 2016: Psychotherapy and Psychosomatics
https://www.readbyqxmd.com/read/27883963/hypothalamic-pituitary-adrenal-axis-activity-and-cognition-in-major-depression-the-role-of-remission-status
#19
Neus Salvat-Pujol, Javier Labad, Mikel Urretavizcaya, Aida de Arriba-Arnau, Cinto Segalàs, Eva Real, Alex Ferrer, José M Crespo, Susana Jiménez-Murcia, Carles Soriano-Mas, José M Menchón, Virginia Soria
OBJECTIVES: Neuropsychological deficits and hypothalamic-pituitary-adrenal (HPA) axis dysfunction have been described in major depressive disorder (MDD). We conducted an exploratory study to investigate the role of remission status in the relationship between HPA axis and cognition in MDD. METHODS: Ninety-seven MDD patients (44 remitted, 53 non-remitted) and 97 healthy controls (HC) were evaluated. We measured verbal and visual memory, working memory, processing speed, attention, and executive function...
November 10, 2016: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/27880789/targeting-ruminative-thinking-in-adolescents-at-risk-for-depressive-relapse-rumination-focused-cognitive-behavior-therapy-in-a-pilot-randomized-controlled-trial-with-resting-state-fmri
#20
Rachel H Jacobs, Edward R Watkins, Amy T Peters, Claudia G Feldhaus, Alyssa Barba, Julie Carbray, Scott A Langenecker
: This pilot randomized control trial was designed to examine whether Rumination-Focused Cognitive Behavior Therapy (RFCBT) reduces rumination and residual depressive symptoms among adolescents with a history of Major Depressive Disorder (MDD) who are at risk for relapse. We also examined whether these changes in symptoms were associated with changes in functional connectivity of the posterior cingulate cortex (PCC), a key node in the default mode network (DMN). Thirty-three adolescents (ages 12-18) were randomized to eight weeks of RFCBT or an assessment only (AO) control...
2016: PloS One
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