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https://www.readbyqxmd.com/read/28208023/transcriptomic-profiling-of-human-hippocampal-progenitor-cells-treated-with-antidepressants-and-its-application-in-drug-repositioning
#1
Timothy R Powell, Tytus Murphy, Sang H Lee, Jack Price, Sandrine Thuret, Gerome Breen
Current pharmacological treatments for major depressive disorder (MDD) are ineffective in a significant proportion of patients, and the identification of new antidepressant compounds has been difficult. 'Connectivity mapping' is a method that can be used to identify drugs that elicit similar downstream effects on mRNA levels when compared to current treatments, and thus may point towards possible repositioning opportunities. We investigated genome-wide transcriptomic changes to human hippocampal progenitor cells treated with therapeutically relevant concentrations of a tricyclic antidepressant (nortriptyline) and a selective serotonin reuptake inhibitor (escitalopram)...
January 1, 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/28184169/differential-drug-effects-on-spontaneous-and-evoked-pain-behavior-in-a-model-of-trigeminal-neuropathic-pain
#2
K Deseure, G H Hans
PURPOSE: Baclofen and morphine have shown efficacy against mechanical allodynia after infraorbital nerve chronic constriction injury (IoN-CCI). No drug effects have yet been reported on spontaneous trigeminal neuropathic pain. It has been proposed that the directed face grooming behavior that also develops following IoN-CCI offers a measure of spontaneous trigeminal neuropathic pain. SUBJECTS AND METHODS: We examined the effects of a continuous 1-week infusion of 30 mg/day carbamazepine (the first-line drug treatment for trigeminal neuralgia), 1...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28159699/drugs-targeting-intermediate-filaments-can-improve-neurosupportive-properties-of-astrocytes
#3
Yolanda de Pablo, Meng Chen, Elin Möllerström, Marcela Pekna, Milos Pekny
In response to central nervous system (CNS) injury, astrocytes upregulate intermediate filament (nanofilament) proteins GFAP and vimentin. Whereas the intermediate filament upregulation in astrocytes is important for neuroprotection in the acute phase of injury, it might inhibit the regenerative processes later on. Thus, timely modulation of the astrocyte intermediate filaments was proposed as a strategy to promote brain repair. We used clomipramine, epoxomicin and withaferin A, drugs reported to decrease the expression of GFAP, and assessed their effect on neurosupportive properties and resilience of astrocytes to oxygen and glucose deprivation (OGD)...
January 31, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28145497/clomipramine-causes-osteoporosis-by-promoting-osteoclastogenesis-via-e3-ligase-itch-which-is-prevented-by-zoledronic-acid
#4
Xing Li, Wen Sun, Jinbo Li, Mengmeng Wang, Hengwei Zhang, Lingpeng Pei, Brendan F Boyce, Zhiyu Wang, Lianping Xing
Patients taking antidepressants, including Clomipramine (CLP), have an increased risk of osteoporotic fracture. However, the effects of CLP on bone metabolism are unknown. Here, we demonstrate that WT mice treated with CLP for 2 weeks had significantly reduced trabecular bone volume and cortical bone thickness, associated with increased osteoclast (OC) numbers, but had no change in osteoblast numbers or bone formation rate. Bone marrow cells from CLP-treated mice had normal OC precursor frequency, but formed significantly more OCs when they were cultured with RANKL and M-CSF...
February 1, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28107983/characterization-of-inclusion-complexes-of-organic-ions-with-hydrophilic-hosts-by-ion-transfer-voltammetry-with-solvent-polymeric-membranes
#5
José Manuel Olmos, Eduardo Laborda, Joaquín Ángel Ortuño, Ángela Molina
The quantitative characterization of inclusion complexes formed in aqueous phase between organic ions and hydrophilic hosts by ion-transfer voltammetry with solvent polymeric membrane ion sensors is studied, both in a theoretical and experimental way. Simple analytical solutions are presented for the determination of the binding constant of the complex from the variation with the host concentration of the electrochemical signal. These solutions are valid for any voltammetric technique and for solvent polymeric membrane ion sensors comprising one polarisable interface (1PI) and also, for the first time, two polarisable interfaces (2PIs)...
March 1, 2017: Talanta
https://www.readbyqxmd.com/read/28066021/clomipramine-clomiphene-and-generic-drug-dispensing-errors
#6
Amar Bavle, Chittaranjan Andrade
No abstract text is available yet for this article.
July 2016: Indian Journal of Psychiatry
https://www.readbyqxmd.com/read/28066002/management-of-obsessive-compulsive-disorder-comorbid-with-bipolar-disorder
#7
REVIEW
Firoz Kazhungil, E Mohandas
Obsessive-compulsive disorder (OCD) is one of the most common comorbidities in bipolar disorder (BD). Clinicians often get perplexed in making treatment decisions when encountering comorbid OCD and BD as treatment of OCD by pharmacotherapy may induce or exacerbate mood instability and psychotherapeutic approaches for OCD may not be feasible in acute manic or depressive state of BD. In this study, we reviewed literature, whether existing guideline-based treatments of BD may be effective in OCD and whether newer agents will be of use for treating this comorbidity...
July 2016: Indian Journal of Psychiatry
https://www.readbyqxmd.com/read/28034283/in-silico-studies-revealed-multiple-neurological-targets-for-the-antidepressant-molecule-ursolic-acid
#8
Rajeev K Singla, Luciana Scotti, Ashok K Dubey
BACKGROUND: Ursolic acid, a bioactive pentacyclic triterpenoid had been evaluated for its interaction with the neurological targets associated with antidepressant drugs. Current study was to mechanistically analyze the probable site of action for ursolic acid on the target proteins. METHODS: Ursolic acid has been docked with monoamine oxidase isoforms: MAO-A and MAO-B, LeuT (homologue of SERT, NET, DAT) and Human C-terminal CAP1 using GRIP docking methodology. RESULTS: Results revealed its non-selective antidepressant action with strong binding affinity towards LeuT and MAO-A proteins, which was found to be comparable with the reference ligands like chlorgyline, clomipramine, sertraline and deprenyl / selegiline...
December 29, 2016: Current Neuropharmacology
https://www.readbyqxmd.com/read/27997040/clinical-pharmacogenetics-implementation-consortium-guideline-cpic%C3%A2-for-cyp2d6-and-cyp2c19-genotypes-and-dosing-of-tricyclic-antidepressants-2016-update
#9
J Kevin Hicks, Katrin Sangkuhl, Jesse J Swen, Vicki L Ellingrod, Daniel J Müller, Kazutaka Shimoda, Jeffrey R Bishop, Evan D Kharasch, Todd C Skaar, Andrea Gaedigk, Henry M Dunnenberger, Teri E Klein, Kelly E Caudle, Julia C Stingl
CYP2D6 and CYP2C19 polymorphisms affect the exposure, efficacy and safety of tricyclic antidepressants (TCAs), with some drugs being affected by CYP2D6 only (e.g., nortriptyline and desipramine) and others by both polymorphic enzymes (e.g., amitriptyline, clomipramine, doxepin, imipramine, and trimipramine). Evidence is presented for CYP2D6 and CYP2C19 genotype-directed dosing of TCAs. This document is an update to the 2012 Clinical Pharmacogenetics Implementation Consortium (CPIC) guideline for CYP2D6 and CYP2C19 Genotypes and Dosing of Tricyclic Antidepressants...
December 20, 2016: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/27922542/generalization-of-serotonin-and-dopamine-ligands-to-the-discriminative-stimulus-effects-of-different-doses-of-%C3%A2-3-4-methylenedioxymethamphetamine
#10
Jeremy I Webster, David N Harper, Susan Schenk
Studies that have attributed the discriminative stimulus effects of ±3,4-methylenedioxymethamphetamine (MDMA) to serotonergic mechanisms typically use a relatively low training dose of 1.5 mg/kg. The role of serotonin in the discriminative stimulus effects of higher doses of MDMA is, however, unknown. Separate groups of rats were trained to discriminate MDMA (1.5 or 3.0 mg/kg) from saline using a two-lever, food-reinforced drug-discrimination procedure. Generalization tests were carried out with a range of serotonin and dopamine ligands...
December 2, 2016: Behavioural Pharmacology
https://www.readbyqxmd.com/read/27886774/analysis-of-tricyclic-antidepressants-in-human-plasma-using-online-restricted-access-molecularly-imprinted-solid-phase-extraction-followed-by-direct-mass-spectrometry-identification-quantification
#11
Mariane Gonçalves Santos, Isabela Maria Campos Tavares, Adriano Francisco Barbosa, Jefferson Bettini, Eduardo Costa Figueiredo
The use of a new class of hybrid materials, called restricted access molecularly imprinted polymers (RAMIPs) seems to present a good strategy for the sample preparation of complex matrices, since these materials combine good protein elimination capacity with high degree selectivity. Mass spectrometers (MS) have been successfully used for polar drug identification and quantification. In order to combine the advantages of both RAMIPs and mass spectrometry, we proposed a study that joins these properties in a single system, where we could analyse tricyclic antidepressants from human plasma, without offline extraction or chromatographic separation...
January 15, 2017: Talanta
https://www.readbyqxmd.com/read/27866243/monitoring-of-adherence-to-headache-treatments-by-means-of-hair-analysis
#12
Anna Ferrari, Manuela Licata, Cecilia Rustichelli, Carlo Baraldi, Daniele Vandelli, Filippo Marchesi, Federica Palazzoli, Patrizia Verri, Enrico Silingardi
PURPOSE: The aim of this study was to evaluate the potential of hair analysis to monitor medication adherence in headache patients undergoing chronic therapy. For this purpose, the following parameters were analyzed: the detection rate of 23 therapeutic drugs in headache patients' hair, the degree of agreement between the self-reported drug and the drug found in hair, and whether the levels found in hair reflected the drug intake reported by the patients. METHODS: The study included 93 patients suffering from primary headaches declaring their daily intake of at least one of the following drugs during the 3 months before the hair sampling: alprazolam, amitriptyline, citalopram, clomipramine, clonazepam, delorazepam, diazepam, duloxetine, fluoxetine, flurazepam, levomepromazine, levosulpiride, lorazepam, lormetazepam, mirtazapine, paroxetine, quetiapine, sertraline, topiramate, trazodone, triazolam, venlafaxine, and zolpidem...
February 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/27800629/the-combination-of-pharmacogenetic-and-pharmacokinetic-analyses-to-optimize-clomipramine-dosing-in-major-depression-a-case-report
#13
Stefania Antoniazzi, Alessandro Tatulli, Felicia S Falvella, Michela Cigliobianco, Riccardo A Paoli, Dario Cattaneo, Stefania Cheli, Francesca F Bernardi, Emilio Clementi, Carlo A Altamura
WHAT IS KNOWN AND OBJECTIVE: Polymorphisms in cytochrome P450 2D6 and 2C19 can lead to interindividual differences in drug plasma concentrations, affecting clomipramine efficacy. Pharmacokinetic and pharmacogenetic analyses may improve drug therapy. CASE SUMMARY: We report the case of a depressed woman requiring higher doses than standard of clomipramine. Identification of low plasma drug levels led to extensive pharmacogenetic analyses of all genes and major functional polymorphisms reported to affect clomipramine metabolism...
February 2017: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/27797457/graph-theoretical-analysis-insilico-modeling-design-and-synthesis-of-compounds-containing-benzimidazole-skeleton-as-antidepressant-agents
#14
Panneerselvam Theivendren, Arumugam Subramanian, Indhumathy Murugan, Shrinivas D Joshi, Uttam A More
In this study, drug target was identified using KEGG database and network analysis through Cytoscape software. Designed series of novel benzimidazoles were taken along with reference standard Flibanserin for insilico modeling. The novel 4-(1H-benzo[d]imidazol-2-yl)-N-(substituted phenyl)-4-oxobutanamide (3a-j) analogs were synthesized and evaluated for their antidepressant activity. Reaction of 4-(1H-benzo[d]imidazol-2-yl)-4-oxobutanoic acid (1) with 4-(1H-benzo [d] imidazol-2-yl)-4-oxobutanoyl chloride (2) furnished novel 4-(1H-benzo [d] imidazol-2-yl)-N-(substituted phenyl)-4-oxobutanamide (3a-j)...
October 31, 2016: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/27788407/determination-of-clozapine-and-five-antidepressants-in-human-plasma-serum-and-whole-blood-by-gas-chromatography-mass-spectrometry-a-simple-tool-for-clinical-and-postmortem-toxicological-analysis
#15
Vassiliki A Boumba, George Rallis, Petros Petrikis, Theodore Vougiouklakis, Venetsanos Mavreas
In this study, we describe a simple and rapid method for the determination of the antipsychotic drug clozapine and five commonly co-administered antidepressants - bupropion, mirtazapine, sertraline, clomipramine and citalopram - in serum, plasma and whole blood. Sample preparation includes solid phase extraction of analytes and determination of drug concentrations by gas chromatography-mass spectrometry without any derivatization steps. The method was fully validated according to international criteria and can be successfully applied for routine analyses...
December 1, 2016: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/27776393/serotonin-syndrome-after-clomipramine-overdose-in-a-child
#16
Meltem Çobanoğulları Direk, Veli Yıldırım, Serkan Güneş, Gülçin Bozlu, Çetin Okuyaz
Serotonin syndrome (SS) is a potentially life-threatening condition associated with increased serotonergic activity in central nervous system and may occur during the use of serotonergic drugs. Although increasing frequency of serotonergic drug use in children, pediatricians, emergency medicine and pediatric intensive care specialists have not enough knowledge and experience about SS that is a potentially life-threatening condition. A 12-year-old girl patient was admitted to our emergency room with the history of involuntary contractions on her extremities and alteration of consciousness...
November 30, 2016: Clinical Psychopharmacology and Neuroscience: the Official Scientific Journal of the Korean College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27771722/inhibitory-effects-of-antidepressants-on-acetylcholine-induced-contractions-in-isolated-guinea-pig-urinary-bladder-smooth-muscle
#17
Junji Uno, Keisuke Obara, Hiroko Suzuki, Satomi Miyatani, Daisuke Chino, Takashi Yoshio, Yoshio Tanaka
BACKGROUND/AIMS: To investigate the potential inhibitory effects of 18 clinically available antidepressants on acetylcholine (ACh)-induced contractions in guinea pig urinary bladder smooth muscle (UBSM) in order to predict whether they may induce voiding impairment. METHODS: Concentration-response curves for ACh-induced contractions in guinea pig UBSM strips were obtained in the absence or presence of selected antidepressants. When inhibitory effects indicated competitive antagonism, pA2 values against ACh were calculated and compared to plausible antidepressant blood concentrations...
2017: Pharmacology
https://www.readbyqxmd.com/read/27756961/melasma-a-rare-adverse-effect-of-clomipramine
#18
Sujita Kumar Kar
Melasma is a hyperpigmented dermatological condition common in females. Drugs such as steroids, cosmetics, and photosensitizing agents are known to cause melasma. We report here a case of an adult male with obsessive-compulsive disorder, receiving clomipramine, who developed melasma.
July 2016: Indian Journal of Pharmacology
https://www.readbyqxmd.com/read/27686282/electrocardiographic-surveillance-in-a-psychiatric-institution-avoiding-iatrogenic-cardiovascular-death
#19
Cristobal Manuel Rodríguez-Leal, Elena López-Lunar, Jose Manuel Carrascosa-Bernáldez, Rosa Maria Provencio-Arranz
OBJECTIVE: To describe a new initiative developed to optimise patient safety in a mental health setting in order to prevent serious cardiac events. MATERIALS AND METHODS: A longitudinal study of all in-patients admitted at the hospital, comprised of 197 beds distributed among three units, was conducted for 12 months. All admitted patients at the hospital underwent electrocardiogram surveillance, as it was described in our new local guideline for sudden cardiac death prevention...
March 2017: International Journal of Psychiatry in Clinical Practice
https://www.readbyqxmd.com/read/27685775/effects-of-social-stress-and-clomipramine-on-emotional-memory-in-mice
#20
Aranzazu Duque, Concepción Vinader-Caerols, Santiago Monleón
We have previously observed impairing effects of social defeat stress (CSDS) on inhibitory avoidance (IA) in mice. Given the similarity between changes produced by social stress in animals and symptoms of certain human psychopathologies such as depression and anxiety, the effects of the antidepressant clomipramine on IA impairment produced by CSDS were evaluated in the present study. Male CD1 mice were randomly assigned to the groups: non-stressed+saline, non-stressed+clomipramine, stressed+saline and stressed+clomipramine...
2016: Acta Neurobiologiae Experimentalis
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