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https://www.readbyqxmd.com/read/28531264/cariprazine-exhibits-anxiolytic-and-dopamine-d3-receptor-dependent-antidepressant-effects-in-the-chronic-stress-model
#1
Vanya Duric, Mounira Banasr, Tina Franklin, Ashley Lepack, Nika Adham, Béla Kiss, István Gyertyán, Ronald S Duman
Background: Cariprazine, a D3-preferring dopamine D2/D3 receptor partial agonist, is a new antipsychotic drug recently approved in the US for the treatment of schizophrenia and bipolar mania. We recently demonstrated that cariprazine also has significant anti-anhedonic-like effects in rats subjected to chronic stress; however, the exact mechanism of action for cariprazine's antidepressant-like properties is not known. Thus, in this study we examined whether the effects of cariprazine are mediated by dopamine D3 receptors...
May 22, 2017: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28524250/one-plant-many-uses-a-review-of-the-pharmacological-applications-of-morinda-citrifolia
#2
REVIEW
Mylena Andréa Oliveira Torres, Isadora de Fátima Braga Magalhães, Renata Mondêgo-Oliveira, Joicy Cortez de Sá, Alessandra Lima Rocha, Ana Lucia Abreu-Silva
Morinda citrifolia, also known as noni, is commonly used in popular medicine in Brazil. Many parts of the noni tree are utilized in such practices, including the roots, leaves and seeds. Through a search of online databases, the present article reviews 92 research studies on the biological actions of M. citrifolia. The paper will discuss the therapeutic effects of noni and its compounds in a variety of forms of presentation, focusing on studies that support its traditional use. A large and diverse number of properties were identified, which were divided into immunostimulatory, antitumor, antidiabetic, anti-obesity, antibacterial and anti-septic, antifungal, antiviral, leishmanicidal, antiinflammatory, antinociceptive and analgesic, antioxidant, neuroprotective, wound healing, antiallergic, antiangiogenic, antiemetic and anti-nausea, anti-gastric ulcer and oesophagitis, anthelmintic, antimutagenic, antipsychotic, anxiolytic, photoprotective, anti-wrinkle and periodontal tissue regeneration activities...
May 19, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28522342/acute-and-repeated-exposure-with-the-nitric-oxide-no-donor-sodium-nitroprusside-snp-differentially-modulate-responses-in-a-rat-model-of-anxiety
#3
Martha A Orfanidou, Anastasios Lafioniatis, Aikaterini Trevlopoulou, Ntilara Touzlatzi, Nikolaos Pitsikas
The nitric oxide (NO) donor sodium nitroprusside (SNP) actually is under investigation for the treatment of schizophrenia. That anxiety disorders are noted to occur commonly in schizophrenia patients is known. Contradictory results were reported however, concerning the effects of SNP in animal models of anxiety disorders. The present study investigated the effects of acute and repeated administration of SNP on anxiety-like behaviour in rats assessed in the light/dark test. The effects of SNP on motility in a locomotor activity chamber were also investigated in rats...
May 15, 2017: Nitric Oxide: Biology and Chemistry
https://www.readbyqxmd.com/read/28515684/selegiline-ameliorates-depression-like-behavior-in-mice-lacking-the-cd157-bst1-gene-a-risk-factor-for-parkinson-s-disease
#4
Satoka Kasai, Toru Yoshihara, Olga Lopatina, Katsuhiko Ishihara, Haruhiro Higashida
Parkinson's disease (PD), a neurodegenerative disorder, is accompanied by various non-motor symptoms including depression and anxiety, which may precede the onset of motor symptoms. Selegiline is an irreversible monoamine oxidase-B (MAO-B) inhibitor, and is widely used in the treatment of PD and major depression. However, there are few reports about the effects of selegiline on non-motor symptoms in PD. The aim of this study was to explore the antidepressant and anxiolytic effects of selegiline, using CD157/BST1 knockout (CD157 KO) mouse, a PD-related genetic model displaying depression and anxiety, compared with other antiparkinsonian drugs and an antidepressant, and was to investigate the effects of selegiline on biochemical parameters in emotion-related brain regions...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28511598/silexan-in-anxiety-disorders-clinical-data-and-pharmacological-background
#5
S Kasper, W E Müller, H P Volz, H J Möller, E Koch, A Dienel
OBJECTIVE: Silexan is a lavender oil preparation available in capsules containing 80 mg. Here we review clinical trials investigating its anxiolytic efficacy, safety, and tolerability in humans as well as preclinical investigations supporting this therapeutic use. METHODS: Besides three selected publications reporting preclinical investigations, seven clinical trials are included, of which five had a treatment duration of 6 or 10 weeks. Primary outcome measure was the HAM-A total score reduction, while single items were assessed with regard to effects on concomitant depressive symptoms and on quality of sleep...
May 17, 2017: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/28509855/the-hypnotic-anxiolytic-and-antinociceptive-profile-of-a-novel-%C3%A2%C2%B5-opioid-agonist
#6
Guilherme Carneiro Montes, Bianca Nascimento Monteiro da Silva, Bismarck Rezende, Roberto Takashi Sudo, Vitor Francisco Ferreira, Fernando de Carvalho da Silva, Angelo da Cunha Pinto, Bárbara Vasconcellos da Silva, Gisele Zapata-Sudo
5'-4-Alkyl/aryl-1H-1,2,3-triazole derivatives PILAB 1-12 were synthesized and a pharmacological screening of these derivatives was performed to identify a possible effect on the Central Nervous System (CNS) and to explore the associated mechanisms of action. The mice received a peritoneal injection (100 µmol/kg) of each of the 12 PILAB derivatives 10 min prior to the injection of pentobarbital and the mean hypnosis times were recorded. The mean hypnosis time increased for the mice treated with PILAB 8, which was prevented when mice were administered CTOP, a µ-opioid antagonist...
May 16, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28508340/comparative-effects-of-sertraline-haloperidol-or-olanzapine-treatments-on-ketamine-induced-changes-in-mouse-behaviours
#7
O J Onaolapo, T B Paul, A Y Onaolapo
Effects of sertraline, haloperidol or olanzapine administration on ketamine-induced behaviours in mice were examined. The aim was to ascertain the degree of reversal of such behaviours by sertraline, and compare its effectiveness to haloperidol and olanzapine. Ten-week old mice (N = 120) were equally divided into main groups; 1 (open-field, radial-arm maze and elevated plus maze {EPM} tests), and 2 (social interaction test). Mice in each main group were assigned into six groups of ten (n = 10) each. Group 1 received intraperitoneal (i...
May 15, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28505500/increase-in-the-prescription-rate-of-antidepressants-after-the-sewol-ferry-disaster-in-ansan-south-korea
#8
Kyu-Man Han, Kyoung-Hoon Kim, Mikyung Lee, Sang-Min Lee, Young-Hoon Ko, Jong-Woo Paik
BACKGROUND: Previous pharmaco-epidemiological studies have reported increases in the prescription of psychotropic medications after a disaster, reflecting post-disaster changes in psychiatric conditions and mental health service utilization. We investigated changes in the prescription of psychotropic medications in the Danwon district of Ansan city (Ansan Danwon) compared to a control community before and after the Sewol Ferry disaster on April 16, 2014. METHODS: Data was collected from the Korean Health Insurance Review and Assessment Service database...
May 10, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28504861/the-efficacy-of-benzodiazepines-as-acute-anxiolytics-in-children-a-meta-analysis
#9
Heide Kuang, Jessica A Johnson, Jilian M Mulqueen, Michael H Bloch
OBJECTIVE: Current practice guidelines do not recommend benzodiazepines for acute management of anxiety disorders in pediatric patients. However, in procedural settings, benzodiazepines are commonly used to relieve acute preprocedural stress. This meta-analysis examines the efficacy and tolerability of benzodiazepines as short-term anxiolytics in children. METHOD: PubMed was searched for randomized controlled trials assessing the efficacy of benzodiazepines as short-term anxiolytics in pediatric patients...
May 15, 2017: Depression and Anxiety
https://www.readbyqxmd.com/read/28501518/cannabidiol-in-medical-marijuana-research-vistas-and-potential-opportunities
#10
REVIEW
Carola Rong, Yena Lee, Nicole E Carmona, Danielle S Cha, Renee-Marie Ragguett, Joshua D Rosenblat, Rodrigo B Mansur, Roger C Ho, Roger S McIntyre
The high and increasing prevalence of medical marijuana consumption in the general population invites the need for quality evidence regarding its safety and efficacy. Herein, we synthesize extant literature pertaining to the phytocannabinoid cannabidiol (CBD) and its brain effects. The principle phytocannabinoid Δ(9)-tetrahydrocannabinol (Δ(9)-THC) and CBD are the major pharmacologically active cannabinoids. The effect of CBD on brain systems as well as on phenomenological measures (e.g. cognitive function) are distinct and in many cases opposite to that of Δ(9)-THC...
May 10, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28499916/effects-of-neonatal-and-adolescent-neuroactive-steroid-manipulation-on-locomotor-activity-induced-by-ethanol-in-male-wistar-rats
#11
Iris Bartolomé, Anna Llidó, Sònia Darbra, Marc Pallarès
Neonatal neuroactive steroids levels are crucial for brain development. Alterations of neonatal neuroactive steroids levels induce anxiolytic-like effects and improve exploration in novel environments in adulthood. These behavioural traits, i.e. sensation/novelty seeking, anxiety or impulsivity, are associated with vulnerability to drug use and abuse. Adolescence is also recognized as a particularly critical developmental phase to contribute to vulnerable phenotype. However, the influence of neuroactive steroids during development in the vulnerability to drug addiction has been poorly studied...
May 9, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28499448/comparison-of-demographic-characteristics-and-psychiatric-comorbidity-among-methamphetamine-heroin-and-methamphetamine-heroin-co-dependent-males-in-hunan-china
#12
Huixi Dong, Mei Yang, Liang Liu, Chenxi Zhang, Mengqi Liu, Yidong Shen, Huanzhong Liu, Wei Hao
BACKGROUND: There is little research of psychiatric comorbidity differences among people with different types of drug dependence in Chinese population. We explored demographic and comorbid psychiatric differences among methamphetamine- dependent males (MDs), heroin-dependent males (HDs) and methamphetamine and heroin co-dependent males (M/HDs) in Hunan province, China. METHODS: A cross-sectional, structured and clinical interview method was used to examine differences in DSM-IV-TR Axis I Disorders among 346 MDs, 698 HDs and 247 M/HDs from three compulsory rehabilitation centers and two voluntary rehabilitation centers in Hunan...
May 12, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28499187/vortioxetine-a-review-of-the-pharmacology-and-clinical-profile-of-the-novel-antidepressant
#13
REVIEW
Magdalena Sowa-Kućma, Patrycja Pańczyszyn-Trzewik, Paulina Misztak, Rafał R Jaeschke, Katherine Sendek, Krzysztof Styczeń, Wojciech Datka, Magdalena Koperny
The aim of this paper was to review the up-to-date evidence base on pharmacology and clinical properties of vortioxetine. Vortioxetine is a novel antidepressant, approved by the US Food and Drug Administration (FDA) for the treatment of major depressive disorder (MDD). Because vortioxetine exhibits both an antidepressant and anxiolytic effect, it may be effective in treating both depressive and anxiety disorders, such as generalized anxiety disorder (GAD). Based on its pharmacodynamics profile and preclinical studies, it is believe that the drug's clinical action is mediated mainly by selective blockade of serotonin reuptake (by inhibiting the serotonin transporter [SERT]) and direct modulation of 5-HT receptors activity (such as 5-HT3, 5-HT7, 5-HT1D and 5-HT1B)...
February 1, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28496355/cannabis-as-a-substitute-for-prescription-drugs-a-cross-sectional-study
#14
James M Corroon, Laurie K Mischley, Michelle Sexton
BACKGROUND: The use of medical cannabis is increasing, most commonly for pain, anxiety and depression. Emerging data suggest that use and abuse of prescription drugs may be decreasing in states where medical cannabis is legal. The aim of this study was to survey cannabis users to determine whether they had intentionally substituted cannabis for prescription drugs. METHODS: A total of 2,774 individuals were a self-selected convenience sample who reported having used cannabis at least once in the previous 90 days...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28495959/potential-nematode-alarm-pheromone-induces-acute-avoidance-in-caenorhabditis-elegans
#15
Ying Zhou, Mario Loeza-Cabrera, Zheng Liu, Boanerges Aleman-Meza, Julie K Nguyen, Sang-Kyu Jung, Yuna Choi, Qingyao Shou, Rebecca A Butcher, Weiwei Zhong
It is crucial for animal survival to detect dangers such as predators. A good indicator of dangers is injury of conspecifics. Here we show that fluids released from injured conspecifics invoke acute avoidance in both free-living and parasitic nematodes. Caenorhabditis elegans avoids extracts from closely related nematode species but not fruit fly larvae. The worm extracts have no impact on animal lifespan, suggesting that the worm extract may function as an alarm instead of inflict physical harm. Avoidance of the worm extract requires the function of a cGMP signaling pathway that includes the cGMP-gated channel TAX-2/TAX-4 in the amphid sensory neurons ASI and ASK...
May 11, 2017: Genetics
https://www.readbyqxmd.com/read/28493335/response-of-htr3a-ko-mice-to-antidepressant-treatment-and-chronic-stress
#16
Vincent Martin, Armance Riffaud, Tevrasamy Marday, Charly Brouillard, Bernard Franc, Jean-Pol Tassin, Caroline Sevoz-Couche, Raymond Mongeau, Laurence Lanfumey
BACKGROUND AND PURPOSE: It has recently been suggested that 5-HT3 receptor blockade enhances selective serotonin reuptake inhibitor (SSRI) antidepressants efficacy and may reverse stress-induced deficits in rodents. EXPERIMENTAL APPROACH: To further explore this hypothesis, we used mice lacking the 5-HT3 receptor (Htr3a KO) and their wild-type (WT) controls to assess their response in behavioural paradigms relevant to anxiety and depression. Mice were studied under basal, antidepressant treatments and chronic social defeat stress (CSDS) conditions...
May 10, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28488160/modulation-of-aversive-memory-by-adult-hippocampal-neurogenesis
#17
REVIEW
Michael R Drew, Kylie A Huckleberry
Adult hippocampal neurogenesis (AHN) occurs in humans and every other mammalian species examined. Evidence that AHN is stimulated by a variety of treatments and behaviors with anxiolytic properties has sparked interest in harnessing AHN to treat anxiety disorders. However, relatively little is known about the mechanisms through which AHN modulates fear and anxiety. In this review, we consider evidence that AHN modulates fear and anxiety by altering the processing of and memory for traumatic experiences. Based on studies of the role of AHN in Pavlovian fear conditioning, we conclude that AHN modulates the consequences of aversive experience by influencing 1) the efficiency of hippocampus-dependent memory acquisition; 2) generalization of hippocampal fear memories; 3) long-term retention of hippocampal aversive memories; and 4) the nonassociative effects of acute aversive experience...
May 9, 2017: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
https://www.readbyqxmd.com/read/28487628/acute-exposure-to-fluoxetine-alters-aggressive-behavior-of-zebrafish-and-expression-of-genes-involved-in-serotonergic-system-regulation
#18
Antonia Theodoridi, Aleka Tsalafouta, Michail Pavlidis
Zebrafish, Danio rerio, is an emerging model organism in stress and neurobehavioral studies. In nature, the species forms shoals, yet when kept in pairs it exhibits an agonistic and anxiety-like behavior that leads to the establishment of dominant-subordinate relationships. Fluoxetine, a selective serotonin reuptake inhibitor, is used as an anxiolytic tool to alter aggressive behavior in several vertebrates and as an antidepressant drug in humans. Pairs of male zebrafish were held overnight to develop dominant-subordinate behavior, either treated or non-treated for 2 h with fluoxetine (5 mg L(-1)), and allowed to interact once more for 1 h...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28485153/antioxidant-potential-of-essential-oil-from-lavandula-angustifolia-in-in-vitro-and-ex-vivo-cultured-liver-cells
#19
K Kozics, A Srancikova, E Sedlackova, E Horvathova, M Melusova, V Melus, Z Krajcovicova, M Sramkova
Lavender is a commonly used herb in traditional medicine in Asia and Europe. It has been reported to be an effective medical plant in treating inflammation, depression and stress, thanks to its sedative and anxiolytic action, thrombotic, and antimicrobial properties. In the present study we investigated the protective effects of essential oil from Lavandula angustifolia (LO) against hydrogen peroxide and tert-butyl hydroperoxide -induced DNA damage. Also the effects of LO on the levels of enzymatic and non-enzymatic antioxidants (SOD-superoxide dismutase, GPx-glutathione peroxidase, GSH-glutathione) were evaluated in in vitro (human hepatoma cell line HepG2) and in ex vivo (freshly isolated rat hepatocytes) systems...
May 9, 2017: Neoplasma
https://www.readbyqxmd.com/read/28484399/biochemical-benefits-diagnosis-and-clinical-risks-evaluation-of-kratom
#20
REVIEW
Dimy Fluyau, Neelambika Revadigar
BACKGROUND: Kratom (Mitragyna speciosa) is a tropical tree with a long history of traditional use in parts of Africa and Southeast Asia. Kratom is also known as Thom, Thang, and Biak. Its leaves and the teas brewed from them have long been used by people in that region to manage pain and opioid withdrawal and to stave off fatigue. Kratom is actually consumed throughout the world for its stimulant effects and as an opioid substitute (in form of tea, chewed, smoked, or ingested in capsules)...
2017: Frontiers in Psychiatry
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