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https://www.readbyqxmd.com/read/29161523/does-acute-propranolol-treatment-prevent-posttraumatic-stress-disorder-anxiety-and-depression-in-children-with-burns
#1
Laura Rosenberg, Marta Rosenberg, Sherri Sharp, Christopher R Thomas, Helen F Humphries, Charles E Holzer, David N Herndon, Walter J Meyer
OBJECTIVE: This study examined whether acute propranolol treatment prevented posttraumatic stress disorder (PTSD), anxiety, and depression in children hospitalized in the pediatric intensive care unit for large burns. We hypothesized that the prevalence of PTSD, anxiety, and depression would be significantly less in the propranolol than nonpropranolol groups. METHODS: Children who had previously participated in a randomized controlled clinical trial of acute propranolol and nonpropranolol controls were invited to participate in long-term follow-up interviews...
November 21, 2017: Journal of Child and Adolescent Psychopharmacology
https://www.readbyqxmd.com/read/29159176/effect-of-alternate-nostril-breathing-exercise-on-experimentally-induced-anxiety-in-healthy-volunteers-using-the-simulated-public-speaking-model-a-randomized-controlled-pilot-study
#2
Ashwin Kamath, Rathnakar P Urval, Ashok K Shenoy
A randomized controlled pilot study was carried out to determine the effect of a 15-minute practice of ANB exercise on experimentally induced anxiety using the simulated public speaking model in yoga-naïve healthy young adults. Thirty consenting medical students were equally divided into test and control groups. The test group performed alternate nostril breathing exercise for 15 minutes, while the control group sat in a quiet room before participating in the simulated public speaking test (SPST). Visual Analog Mood Scale and Self-Statements during Public Speaking scale were used to measure the mood state at different phases of the SPST...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29157796/neuropeptide-s-in-the-basolateral-amygdala-mediates-an-adaptive-behavioral-stress-response-in-a-rat-model-of-posttraumatic-stress-disorder-by-increasing-the-expression-of-bdnf-and-the-neuropeptide-yy1-receptor
#3
Cohen Hagit, Vainer Ella, Zeev Kaplan, Zohar Joseph, Mathé A Aleksander
Neuropeptide S (NPS) is a regulatory peptide that has anxiolytic and arousal-promoting effects in rodents. We used an animal model of posttraumatic stress disorder (PTSD) to assess long-term behavioral effects of a single dose of NPS, microinjected into the basolateral amygdala (BLA) 1h following exposure to predator-scent stress (PSS). To elucidate the molecular mechanism by which NPS attenuates behavioral stress responses, expression levels of neuropeptide Y (NPY), NPY-Y1 receptor (NPY-Y1R), and brain-derived neurotrophic factor (BDNF) were evaluated in the hippocampus...
November 17, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29156095/multiple-role-of-3-mercaptopyruvate-sulfurtransferase-antioxidative-function-h2-s-and-polysulfide-production-and-possible-sox-production
#4
REVIEW
Noriyuki Nagahara
Rat 3-mercaptopyruvate sulfurtransferase (MST, [EC 2.8.1.2]) is a 32,808-Da simple protein. Cys(247) is a catalytic site, and Cys(154) and Cys(263) are on the enzyme surface. MST is found in all tissues, particularly in the kidneys, although activity localization differs in each tissue. In this review, four functions of MST are reviewed. 1) Antioxidative function: Cys(247) is redox-sensitive and serves as a redox-sensing switch. It is oxidized to cysteine sulfenate, which has a low redox potential, upon which the enzyme is inactivated...
November 20, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29151193/disturbances-of-diurnal-phase-markers-behavior-and-clock-genes-in-a-rat-model-of-depression-modulatory-effects-of-agomelatine-treatment
#5
K Højgaard, S L Christiansen, E V Bouzinova, O Wiborg
Major depressive disorder (MDD) is a growing problem worldwide. Though, the etiology remains unresolved, circadian rhythm disturbances are frequently observed in MDD and thus is speculated to play a key role herein. The present study focuses on circadian rhythm disturbances in the chronic mild stress (CMS) animal model of depression and examined whether the atypical antidepressant, agomelatine, which is mediating its action via melatonergic and serotonergic receptors, is capable of resynchronizing the perturbed rhythm...
November 19, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/29150713/efficacy-of-silexan-in-subthreshold-anxiety-meta-analysis-of-randomised-placebo-controlled-trials
#6
Hans-Jürgen Möller, Hans-Peter Volz, Angelika Dienel, Sandra Schläfke, Siegfried Kasper
Subthreshold psychiatric disorders do not fully meet the diagnostic criteria of syndromal disorders but may be associated with comparable disability. To investigate the anxiolytic effect of Silexan, an active substance from lavender oil for oral administration, in patients with subthreshold anxiety, a meta-analysis that included all published trials with Silexan in this indication was performed. Three randomised, placebo-controlled trials in subthreshold anxiety disorders (anxiety disorder not otherwise specified, restlessness and agitation, mixed anxiety and depressive disorder) were included...
November 17, 2017: European Archives of Psychiatry and Clinical Neuroscience
https://www.readbyqxmd.com/read/29150275/ketogenic-diet-and-anorexia-nervosa
#7
Barbara Scolnick
This hypothesis suggest that starvation-induced ketosis, which leads to a fundamental biochemical change in the metabolic fuel supply of the brain, is uniquely anxiolytic and rewarding to patients prone to AN. Ketosis can easily be replicated by a unique diet marked by high fat, moderate protein, and very low carbohydrate. This diet, known as a ketogenic diet (KGD) mimics starvation, thus allowing the patient to experience the anxiolytic state of ketosis, and yet avoid the morbidity of starvation.
November 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/29142562/drug-poisoning-and-associated-factors-in-western-saudi-arabia-a-five-year-retrospective-chart-review-2011-2016
#8
Sami H Alzahrani, Ali H Alqahtani, Fayssal Mostafa Farahat, Mohammed Abdel Galil Elnour, Jamil Bashawri
Objective: Drug poisoning is a globally common cause of emergency-room admissions. This study explores drug-poisoning prevalence patterns, associated risk factors (gender, age and exposure circumstances), and outcomes in western Saudi Arabia. Methods: Retrospective analysis of Clinical drug poisoning cases (2011-2016). The data were retrieved from the Saudi Ministry of Health's record and Patients' medical charts were analyzed. Results: The Ministry of Health received 1,474 reports of drug poisoning during 2011-2016...
September 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29138901/-which-factors-are-associated-with-the-use-of-potentially-inadequate-medications-pim-in-the-elderly-results-from-the-german-health-interview-and-examination-survey-degs1
#9
Heinz G Endres, Petra Kaufmann-Kolle, Hildtraud Knopf, Petra A Thürmann
BACKGROUND: Recent studies demonstrate a relationship between the prescription of potentially inappropriate medications (PIM) for patients 65 years or older and an increased risk for adverse events, in particular hospitalisations. The RKI conducted DEGS1-Survey ("German health interview and examination survey for adults") provides a representative sample of the target population to identify determinants for PIM use. OBJECTIVE: The aim of this study was to determine characteristics of older persons in Germany, who currently use PIM, and if there are subpopulations among older persons with a particularly high PIM use...
November 14, 2017: Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz
https://www.readbyqxmd.com/read/29134501/pharmacokinetic-properties-of-saffron-and-its-active-components
#10
Azar Hosseini, Bibi Marjan Razavi, Hossein Hosseinzadeh
Saffron as a medicinal plant has many therapeutic effects. Phytochemical studies have reported that saffron is composed of at least four active ingredients which include crocin, crocetin, picrocrocin and safranal. The carotenoids of saffron are sensitive to oxygen, light, heat and enzymatic oxidization. However, regulation of these factors is required for saffron quality. Some pharmacologic effects of saffron and its active compounds include cardioprotective, neuroprotective, memory enhancer, antidepressant and anxiolytic...
November 13, 2017: European Journal of Drug Metabolism and Pharmacokinetics
https://www.readbyqxmd.com/read/29133056/therapeutic-potential-of-songorine-a-diterpenoid-alkaloid-of-the-genus-aconitum
#11
REVIEW
Haroon Khan, Seyed Mohammad Nabavi, Antoni Sureda, Nikolay Mehterov, Diana Gulei, Ioana Berindan-Neagoe, Hiroaki Taniguchi, Atanas G Atanasov
Alkaloids are well-studied secondary metabolites, with recent preclinical studies evidencing that many of them exhibit anti-cancer, anti-depressant, anti-nociceptive, anti-inflammatory, anti-pyretic, anti-platelet, anti-oxidant, and anti-bacterial properties. Aconitum is a genus rich of diverse alkaloids. More than 450 alkaloids have been identified in a variety of species. Songorine is a C20 diterpenoid alkaloid and 12-keto analog of napelline, isolated from Aconitum soongaricum and was associated with a heterogeneous panel of biological functions...
November 10, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29132299/chronic-administration-of-parecoxib-exerts-anxiolytic-like-and-memory-enhancing-effects-and-modulates-synaptophysin-expression-in-mice
#12
Bo Wang, Xin Jin, Xin Kuang, Shaowen Tian
BACKGROUND: Previous studies have shown that cyclooxygenase-2, a key enzyme that converts arachidonic acid to prostaglandins, is involved in anxiety and cognitive processes, but few studies have investigated the effects of chronic administration of cyclooxygenase-2 inhibitors on anxiety, learning and memory under normal physiological conditions. The aim of the study was to investigate the effects of chronic administration of parecoxib, a cyclooxygenase-2 inhibitor, on anxiety behavior and memory performance under normal physiological conditions and to explore the possible neural mechanism underlying parecoxib-mediated effects...
November 13, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/29131655/psychotropic-drug-prescription-in-adolescents-a-retrospective-study-in-a-swiss-psychiatric-university-hospital
#13
Nicolas Ansermot, Véronique Jordanov, Michal Smogur, Laurent Holzer, Chin B Eap
OBJECTIVES: This retrospective study aims to evaluate off-label prescriptions and administrations of psychotropic medications in adolescents in a university psychiatric hospital in Switzerland. METHODS: Data were collected during the entire stays from the electronic database for 76 inpatients in 2008 and 76 inpatients in 2014. Data collected included gender, age, psychiatric diagnosis, duration of hospitalization, and psychotropic drug prescriptions and administrations...
November 13, 2017: Journal of Child and Adolescent Psychopharmacology
https://www.readbyqxmd.com/read/29128806/emotional-disorders-induced-by-hemopressin-and-rvd-hemopressin-%C3%AE-administration-in-rats
#14
Sheila Leone, Lucia Recinella, Annalisa Chiavaroli, Sara Martinotti, Claudio Ferrante, Adriano Mollica, Giorgia Macedonio, Azzurra Stefanucci, Szabolcs Dvorácskó, Csaba Tömböly, Luciano De Petrocellis, Michele Vacca, Luigi Brunetti, Giustino Orlando
BACKGROUND: The endocannabinoid (eCB) system plays an important role in regulating emotional disorders, and is involved, directly or indirectly, in psychiatric diseases, such as anxiety and depression. Hemopressin, a hemoglobin α chain-derived peptide, and RVD-hemopressin(α), a N-terminally extended form of hemopressin, act as antagonist/inverse agonist and negative allosteric modulator of the cannabinoid 1 (CB1) receptor, respectively. METHODS: Considering the possible involvement of these peptides on emotional behaviour, the aim of our study was to investigate the behavioural effects of a single intraperitoneal (ip) injection of hemopressin (0...
June 23, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29125702/single-dose-pharmacokinetics-of-oral-cannabidiol-following-administration-of-ptl101-a-new-formulation-based-on-gelatin-matrix-pellets-technology
#15
Jacob Atsmon, Daphna Heffetz, Lisa Deutsch, Frederic Deutsch, Hagit Sacks
Cannabidiol (CBD) is the main nonpsychoactive component of the cannabis plant. It has been associated with antiseizure, antioxidant, neuroprotective, anxiolytic, anti-inflammatory, antidepressant, and antipsychotic effects. PTL101 is an oral gelatin matrix pellets technology-based formulation containing highly purified CBD embedded in seamless gelatin matrix beadlets. Study objectives were to evaluate the safety and tolerability of PTL101 containing 10 and 100 mg CBD, following single administrations to healthy volunteers and to compare the pharmacokinetic profiles and relative bioavailability of CBD with Sativex oromucosal spray (the reference product) in a randomized, crossover study design...
November 10, 2017: Clinical Pharmacology in Drug Development
https://www.readbyqxmd.com/read/29125291/identification-of-a-new-pyrazolo-1-5-a-quinazoline-ligand-highly-affine-to-%C3%AE-aminobutyric-type-a-gabaa-receptor-subtype-with-anxiolytic-like-and-antihyperalgesic-activity
#16
Gabriella Guerrini, Giovanna Ciciani, Letizia Crocetti, Simona Daniele, Carla Ghelardini, Maria Paola Giovannoni, Antonella Iacovone, Lorenzo Di Cesare Mannelli, Claudia Martini, Claudia Vergelli
Compounds that can act on GABAA receptor subtype in selective manner, without the side effects of classical benzodiazepine ligands, represent promising therapeutic tools in neurological disorder, as well as for relief of pain or in comorbidity of anxiety states and depression. Continuing our research on GABAA receptor subtype ligands, here is reported the synthesis of a series of pyrazolo[1,5-a]quinazoline 3 and/or 8 substituted as 5-deaza analogues of previous reported pyrazolo[5,1-c][1,2,4]benzotriazine, already identified as selective GABAA receptor subtype ligands endowed with anxiolytic-like and antihyperalgesic action or enhancer cognition...
November 10, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29118373/establishing-zebrafish-as-a-model-to-study-the-anxiolytic-effects-of-scopolamine
#17
Trevor J Hamilton, Adam Morrill, Kayla Lucas, Joshua Gallup, Megan Harris, Meghan Healey, Taylor Pitman, Melike Schalomon, Shannon Digweed, Martin Tresguerres
Scopolamine (hyoscine) is a muscarinic acetylcholine receptor antagonist that has traditionally been used to treat motion sickness in humans. However, studies investigating depressed and bipolar populations have found that scopolamine is also effective at reducing depression and anxiety symptoms. The potential anxiety-reducing (anxiolytic) effects of scopolamine could have great clinical implications for humans; however, rats and mice administered scopolamine showed increased anxiety in standard behavioural tests...
November 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29118105/neuropeptide-s-activates-paraventricular-oxytocin-neurons-to-induce-anxiolysis
#18
Thomas Grund, Stephanie Goyon, Yuting Li, Marina Eliava, Haikun Liu, Alexandre Charlet, Valery Grinevich, Inga D Neumann
Neuropeptides, such as neuropeptide S (NPS) and oxytocin (OXT) represent potential options for the treatment of anxiety disorders due to their potent anxiolytic profile. In this study, we aimed to reveal the mechanisms underlying the behavioral action of NPS, and present a chain of evidence that the effects of NPS within the hypothalamic paraventricular nucleus (PVN) are mediated via actions on local OXT neurons in male Wistar rats. First, retrograde studies identified NPS fibers originating in the brainstem locus coeruleus and projecting to the PVN...
November 8, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29111406/panic-like-escape-response-elicited-in-mice-by-exposure-to-co2-but-not-hypoxia
#19
Ailton Spiacci, Heloisa H Vilela-Costa, Ana Beatriz Sant'Ana, Gabriel Gripp Fernandes, Alana Tercino Frias, Glauber S Ferreira da Silva, José Antunes-Rodrigues, Hélio Zangrossi
Exposure to elevated concentrations of CO2 or hypoxia has been widely used in psychiatric research as a panic provoking stimulus. However, the use of these respiratory challenges to model panic-like responses in experimental animals has been less straightforward. Little data is available, from behavioral and endocrine perspectives, to support the conclusion that a marked aversive situation, such as that experienced during panic attacks, was evoked in these animals. We here compared the behavioral responses of male CB57BL/6 mice during exposure to 20% CO2 or 7% O2 and its consequence on plasma levels of corticosterone...
October 28, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/29109058/homer2-within-the-central-nucleus-of-the-amygdala-modulates-withdrawal-induced-anxiety-in-a-mouse-model-of-binge-drinking
#20
K M Lee, M A Coelho, K R Sern, K K Szumlinski
A history of binge-drinking decreases protein expression of the glutamate-related scaffolding protein Homer2 within the central nucleus of the amygdala (CEA), coinciding with behavioral signs of negative affect. To assess the functional relevance of this protein change for withdrawal-induced hyper-anxiety, adult (PND 56) and adolescent (PND 28) male C57BL/6J mice were administered an intra-CEA infusion of an adeno-associated viral vector (AAV) carrying either cDNA to express Homer2 (H2-cDNA) or GFP as control...
November 3, 2017: Neuropharmacology
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