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https://www.readbyqxmd.com/read/28638109/voxel-based-morphometric-brain-comparison-between-healthy-subjects-and-major-depressive-disorder-patients-in-japanese-with-the-s-s-genotype-of-5-httlpr
#1
Natsuki Igata, Shingo Kakeda, Keita Watanabe, Satoru Ide, Taro Kishi, Osamu Abe, Ryouhei Igata, Asuka Katsuki, Nakao Iwata, Reiji Yoshimura, Yukunori Korogi
Individuals with s/s genotype of serotonin transporter gene-linked promotor region (5-HTTLPR), which appear with a high frequency in Japanese, exhibit more diagnosable depression in relation to stressful life events than those with the s/l or l/l genotype. We prospectively investigated the brain volume changes in first-episode and medication naïve major depression disorder patients (MDD) with the s/s genotype in Japanese. We assessed the differences between 27 MDD with the s/s genotype and 44 healthy subjects (HS) with the same genotype using a whole-brain voxel-by-voxel statistical analysis of MRI...
June 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28633635/maternal-use-of-selective-serotonin-reuptake-inhibitors-during-pregnancy-is-associated-with-hirschsprung-s-disease-in-newborns-a-nationwide-cohort-study
#2
Sebastian Werngreen Nielsen, Perniller Møller Ljungdalh, Jan Nielsen, Bente Mertz Nørgård, Niels Qvist
BACKGROUND: Hirschsprung's disease is a rare condition caused by congenital malformation of the gastrointestinal tract affecting 1:5000 children. Not much is known about risk factors for development of Hirschsprung's disease. Two clinical cases of hirschsprung's disease led to an investigation of the association between maternal use of selective serotonin reuptake inhibitors (SSRIs) during pregnancy and development of Hirschsprung's Disease in the newborn child. The study examined a nationwide, unselected cohort of children born in Denmark from 1 January 1996 until 12 March 2016 (n = 1,256,317)...
June 20, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28633600/direct-comparison-of-tricyclic-and-serotonin-reuptake-inhibitor-antidepressants-in-randomized-head-to-head-trials-in-acute-major-depression-systematic-review-and-meta-analysis
#3
Juan Undurraga, Ross J Baldessarini
BACKGROUND: A comparison across trials conducted over several decades suggested superior efficacy of tricyclic antidepressants (TCAs) over selective serotonin-reuptake inhibitors (SSRIs). However, this outcome may reflect a selective secular decline of responses after randomization to placebo. Remaining uncertainty encouraged direct comparison of the drug-types in trials involving randomized, head-to-head comparisons. METHODS: We systematically identified reports of randomized trials of TCAs versus SSRIs for major depression in several digital databases, and applied standard meta-analytic and multiple-factor regression methods to analyze and pool the findings...
June 1, 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/28631232/activation-of-brain-indoleamine-2-3-dioxygenase-contributes-to-depressive-like-behavior-induced-by-an-intracerebroventricular-injection-of-streptozotocin-in-mice
#4
Leandro Cattelan Souza, Cristiano R Jesse, Marcelo Gomes de Gomes, Lucian Del Fabbro, André Tiago Rossito Goes, Franciele Donato, Silvana Peterini Boeira
There is a lack of information concerning the molecular events underlying the depressive-like effect of an intracerebroventricular injection of streptozotocin (ICV-STZ) in mice. The elevated activity of the tryptophan-degrading enzyme indoleamine-2,3-dioxygenase (IDO) has been proposed to mediate depression in inflammatory disorders. In the present study, we reported that ICV-STZ activates IDO in the hippocampus of mice and culminates in depressive-like behaviors, as measured by the increased duration of immobility in the tail suspension test and decreased sucrose intake in the sucrose preference test...
June 19, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28629963/environmental-enrichment-reduces-innate-anxiety-with-no-effect-on-depression-like-behaviour-in-mice-lacking-the-serotonin-transporter
#5
Jake Rogers, Shanshan Li, Laurence Lanfumey, Anthony J Hannan, Thibault Renoir
Along with being the main target of many antidepressant medications, the serotonin transporter (5-HTT) is known to be involved in the pathophysiology of depression and anxiety disorders. In line with this, mice with varying 5-HTT genotypes are invaluable tools to study depression- and anxiety-like behaviours as well as the mechanisms mediating potential therapeutics. There is clear evidence that both genetic and environmental factors play a role in the aetiology of psychiatric disorders. In that regard, housing paradigms which seek to enhance cognitive stimulation and physical activity have been shown to exert beneficial effects in animal models of neuropsychiatric disorders...
June 16, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28629735/chronic-fluoxetine-treatment-enhances-sympathetic-activities-associated-with-abnormality-of-baroreflex-function-in-conscious-normal-rats
#6
Ling-Zong Hong, Keh-Feng Huang, Siu-Wan Hung, Li-Te Kuo
Data regarding the effects of selective serotonin reuptake inhibitors (SSRIs), which are a common type of antidepressants, on cardiovascular autonomic function are inconsistent. The present study was conducted to determine the effects of chronic fluoxetine, an SSRI, on blood pressure, cardiac autonomic nervous activities and baroreflex control of heart rate. Male Sprague-Dawley rats were treated with fluoxetine (10mg/kg·day, p.o.) or saline for 14 weeks. Baroreflex function was determined by the sigmoid logistic method based on the heart rate responses to changes in blood pressure elicited by phenylephrine or sodium nitroprusside infusions...
June 16, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28629713/the-effects-of-maternal-antidepressant-use-on-offspring-behaviour-and-brain-development-implications-for-risk-of-neurodevelopmental-disorders
#7
REVIEW
Samuel J Millard, Katrina Weston-Green, Kelly A Newell
Approximately 10% of pregnant women are prescribed antidepressant drugs (ADDs), with selective serotonin reuptake inhibitors (SSRIs) the most widely prescribed. SSRIs bind to the serotonin transporter (SERT), blocking the reabsorption of serotonin by the presynaptic neuron and increasing serotonin levels in the synaptic cleft. The serotonergic system regulates a range of brain development processes including neuronal proliferation, migration, differentiation and synaptogenesis. Given the presence of SERT in early brain development, coupled with the ability of SSRIs to cross the placenta and also enter breast milk, concerns have been raised regarding the effects of SSRI exposure on the developing foetus and newborns...
June 16, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28628870/affective-disorders-and-completed-suicide-by-self-poisoning-trend-of-using-antidepressants-as-a-method-of-self-poisoning
#8
Sanna Löfman, Helinä Hakko, Arja Mainio, Pirkko Riipinen
The aim of this research was to study the role and trend of antidepressant use as a method of suicide in completed self-poisoning suicides in patients with affective disorders during a 23-year follow up period. The data consisted of 483 completed self-poisoning suicides from 1988 to 2011 in the province of Oulu in Northern Finland (286 men and 197 women). Of the self-poisoning victims, 26.9% (n=130) had hospital-treated unipolar depression and 3.1% (n=15) hospital-treated bipolar disorder. Further, 53.8% (n=70) of those with unipolar depression and 53...
May 21, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28626162/intervention-of-the-nuss-procedure-on-the-mental-health-of-pectus-excavatum-patients
#9
Li Luo, Bo Xu, Xinling Wang, Bo Tan, Jing Zhao
Pectus excavatum (PE) is the most common congenital chest wall deformity, but little is known about the influence of the Nuss surgical procedure on mental health of patients with PE. In this study, we aimed to evaluate the influence of the PE Nuss surgical procedure on mental health in Chinese patients and identify the predictors of psychological status for PE. Patients with PE (n = 266) underwent a standard surgical procedure by the same surgeon and did the Symptom Checklist 90 (SCL-90) and the Self-rating Depression Scale (SDS) questionnaires before and 1 year after surgery...
June 16, 2017: Annals of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28625786/drug-induces-depression-like-phenotypes-and-alters-gene-expression-profiles-in-drosophila
#10
Ming-Di Jiang, Ya Zheng, Jia-Lin Wang, Yu-Feng Wang
BACKGROUND: Major depressive disorder (MDD) is a severe mental illness that affects more than 350 million people worldwide. However, the molecular mechanisms of depression are currently unclear. Studies suggest that Drosophila and humans have similar depression-like symptoms under pressure. In this research, we choose Drosophila melanogaster as the animal model to explore the molecular mechanisms that trigger depression. RESULTS: We found that feeding D. melanogaster with the medium containing Levodopa or Chlorpromazine could induce depression-like phenotypes in both behavioral and biochemical biomarkers, including significantly decreased food intake, mating frequency, serotonin (5-HT) concentration, and increased malondialdehyde (MDA) concentration as well as reduced activity of superoxide dismutase (SOD)...
June 15, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28623894/-doing-the-right-thing-factors-influencing-gp-prescribing-of-antidepressants-and-prescribed-doses
#11
Chris F Johnson, Brian Williams, Stephen A MacGillivray, Nadine J Dougall, Margaret Maxwell
BACKGROUND: Antidepressant prescribing continues to increase, with 5-16% of adults receiving antidepressants annually. Total prescribing growth is due in part to increased long-term use, greater selective serotonin re-uptake inhibitor (SSRI) use and the use of higher SSRI doses. Evidence does not support routine use of higher SSRI doses for depression treatment, and factors influencing the use of such doses are not well known. The aim of this study was to explore factors influencing GPs' use of antidepressants and their doses to treat depression...
June 17, 2017: BMC Family Practice
https://www.readbyqxmd.com/read/28622213/selective-serotonin-reuptake-inhibitor-induced-hyponatremia-clinical-implications-and-therapeutic-alternatives
#12
María Varela Piñón, Jaime Adán-Manes
BACKGROUND: Selective serotonin reuptake inhibitors (SSRIs) are widely prescribed among the general population. Despite their benign side effect profile, these drugs can cause significant adverse effects in elderly patients, including severe hyponatremia. We report 1 case of SSRI-induced hyponatremia and review therapeutic alternatives. CASE: We present an 81-year-old male patient treated with sertraline and furosemide who presented with a recent-onset symptomatic hyponatremia...
June 16, 2017: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/28622206/bupropion-augmentation-in-a-case-of-compulsive-buying-disorder
#13
Gianna Sepede, Giuseppe Di Iorio, Fabiola Sarchione, Federica Fiori, Massimo Di Giannantonio
BACKGROUND: Compulsive buying disorder (CBD) is a condition characterized by excessive preoccupations, impulses, and behaviors regarding buying, resulting in serious psychological, social, and financial problems. Even though it has not been included in Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, "behavioral addictions" section, CBD is a hot topic in current clinical psychiatry, because of its relevant prevalence (at least 5% in adult populations) and severe effect on quality of life...
June 16, 2017: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/28622159/weeding-out-the-justification-for-marijuana-treatment-in-patients-with-developmental-and-behavioral-conditions
#14
Theodora Nelson, Yi Hui Liu, Kara S Bagot, Martin T Stein
Alex is a 13-year-old adolescent with high-functioning autism spectrum disorder, attention-deficit/hyperactivity disorder (ADHD)-combined type, anxiety, and depression. He has been resistant to engaging in therapy and treatment with various medications has been unsuccessful. Alex's parents are concerned about his anxiety, isolation, oppositional behaviors, academic underachievement, truancy, and substance use. A recent altercation with his stepfather led to a police intervention and a brief removal of Alex from the home...
June 15, 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28619470/whole-body-hyperthermia-and-a-subthreshold-dose-of-citalopram-act-synergistically-to-induce-antidepressant-like-behavioral-responses-in-adolescent-rats
#15
Matthew W Hale, Jodi L Lukkes, Kathleen F Dady, Kyle J Kelly, Evan D Paul, David G Smith, Charles L Raison, Christopher A Lowry
BACKGROUND: Open and randomized, double blind, placebo-controlled clinical trials have demonstrated clinical efficacy of infrared whole-body hyperthermia in treatment of major depressive disorder (MDD). Demonstration of antidepressant-like behavioral effects of whole-body hyperthermia in preclinical rodent models would provide further support for the clinical use of infrared whole-body hyperthermia for the treatment of MDD, and would provide additional opportunities to explore underlying mechanisms...
June 12, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28617566/randomized-double-blind-placebo-controlled-trial-of-n-acetylcysteine-augmentation-for-treatment-resistant-obsessive-compulsive-disorder
#16
Daniel L C Costa, Juliana B Diniz, Guaraci Requena, Marinês A Joaquim, Christopher Pittenger, Michael H Bloch, Euripedes C Miguel, Roseli G Shavitt
OBJECTIVE: To evaluate the efficacy of serotonin reuptake inhibitor (SRI) augmentation with N-acetylcysteine (NAC), a glutamate modulator and antioxidant medication, for treatment-resistant obsessive-compulsive disorder (OCD). METHODS: We conducted a randomized, double-blind, placebo-controlled, 16-week trial of NAC (3,000 mg daily) in adults (aged 18-65 years) with treatment-resistant OCD, established according to DSM-IV criteria. Forty subjects were recruited at an OCD-specialized outpatient clinic at a tertiary hospital (May 2012-October 2014)...
June 6, 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28609387/long-term-sertraline-treatment-and-depression-effects-on-carotid-artery-atherosclerosis-in-premenopausal-female-primates
#17
Marnie G Silverstein-Metzler, Jamie N Justice, Susan E Appt, Leanne Groban, Dalane W Kitzman, John Jeffrey Carr, Thomas C Register, Carol A Shively
OBJECTIVE: Atherosclerosis developed during premenopausal years predicts postmenopausal atherosclerosis burden. Selective serotonin reuptake inhibitor (SSRI) antidepressants, recently approved for hot flushes, have been associated with increased ischemic stroke risk in several observational studies; however, effects on carotid artery atherosclerosis, a strong predictor of future vascular events, are unknown. METHODS: The effects of chronic administration of a commonly prescribed SSRI, sertraline HCl, on atherosclerosis in the carotid artery was assessed in a placebo-controlled, longitudinal, randomized study of premeonopausal depressed and nondepressed cynomolgus monkeys (Macaca fascicularis; n = 42)...
June 12, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28609327/fluoxetine-induces-paradoxical-effects-in-c57bl6-j-mice-comparison-with-balb-c-mice
#18
Thomas Gosselin, Anne-Marie Le Guisquet, Bruno Brizard, Caroline Hommet, Frédéric Minier, Catherine Belzung
The C57BL6/J mouse is the most commonly used strain in genetic investigations and behavioural tests. However, only a few studies have used C57BL6/J mice to assess the effects of antidepressant compounds. We carried out a study to compare the behavioural effects of fluoxetine (FLX) in a model of depression in two mice strains: C57BL6/J and BALB/c. We used an 8-week unpredictable chronic mild stress (UCMS) protocol during which FLX was administered (15 mg/kg, oral) from the third week to the end of the protocol...
June 12, 2017: Behavioural Pharmacology
https://www.readbyqxmd.com/read/28608854/the-influence-of-the-rs6295-gene-polymorphism-on-serotonin-1a-receptor-distribution-investigated-with-pet-in-patients-with-major-depression-applying-machine-learning
#19
A Kautzky, G M James, C Philippe, P Baldinger-Melich, C Kraus, G S Kranz, T Vanicek, G Gryglewski, W Wadsak, M Mitterhauser, D Rujescu, S Kasper, R Lanzenberger
Major depressive disorder (MDD) is the most common neuropsychiatric disease and despite extensive research, its genetic substrate is still not sufficiently understood. The common polymorphism rs6295 of the serotonin-1A receptor gene (HTR1A) is affecting the transcriptional regulation of the 5-HT1A receptor and has been closely linked to MDD. Here, we used positron emission tomography (PET) exploiting advances in data mining and statistics by using machine learning in 62 healthy subjects and 19 patients with MDD, which were scanned with PET using the radioligand [carbonyl-(11)C]WAY-100635...
June 13, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28608626/serotonergic-5httlpr-rs25531-s-allele-homozygosity-associates-with-violent-suicides-in-male-citalopram-users
#20
Anna-Liina Rahikainen, Salla Majaharju, Jari Haukka, Jukka U Palo, Antti Sajantila
Depressive disorders are involved as a background factor in over 50% of suicide cases. The most widely used antidepressants today are serotonin selective reuptake inhibitors (SSRIs). However, not all users benefit from SSRI medication. Although the overall number of suicides in Finland have decreased notably during the last decade, the annual rate is still relatively high, particularly in male population. In this study, we tested the hypothesis that the genetic variants associated with decreased citalopram efficiency, 5HTTLPR/rs25531, and increased impulsive behavior, MAOA-uVNTR and HTR2B Q20*, are more frequent among citalopram users committing suicide than among the citalopram users in general...
June 13, 2017: American Journal of Medical Genetics. Part B, Neuropsychiatric Genetics
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