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https://www.readbyqxmd.com/read/28229642/sleep-loss-and-recovery-after-administration-of-drugs-related-to-different-arousal-systems-in-rats
#1
T Hajnik, A Tóth, Ö Szalontai, M Pethő, L Détári
Sleep is homeostatically regulated suggesting a restorative function. Sleep deprivation is compensated by an increase in length and intensity of sleep. In this study, suppression of sleep was induced pharmacologically by drugs related to different arousal systems. All drugs caused non-rapid eye movement (NREM) sleep loss followed by different compensatory processes. Apomorphine caused a strong suppression of sleep followed by an intense recovery. In the case of fluoxetine and eserine, recovery of NREM sleep was completed by the end of the light phase due to the biphasic pattern demonstrated for these drugs first in the present experiments...
September 2016: Physiol Int
https://www.readbyqxmd.com/read/28216049/chronic-treatment-with-fluoxetine-modulates-vascular-adrenergic-responses-by-inhibition-of-pre-and-post-synaptic-mechanisms
#2
Camila A Pereira, Fernanda L Rodrigues, Silvia G Ruginsk, Camila Z Zanotto, José A Rodrigues, Diego A Duarte, Claudio M Costa-Neto, Leonardo B Resstel, Fernando S Carneiro, Rita C Tostes
Fluoxetine, a serotonin reuptake inhibitor (SSRI), has other effects in addition to blocking serotonin reuptake, including changes in the vasomotor tone. Whereas many studies focused on the acute effects of fluoxetine in the vasculature, its chronic effects are still limited. In the present study, we tested the hypothesis that chronic fluoxetine treatment modulates adrenergic vascular responses by interfering with post- and pre-synaptic mechanisms. Wistar rats were treated with vehicle (water) or chronic fluoxetine (10mg/kg/day) for 21 days...
February 16, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28213267/ferulic-acid-inhibits-neuro-inflammation-in-mice-exposed-to-chronic-unpredictable-mild-stress
#3
Ya-Min Liu, Ji-Duo Shen, Li-Ping Xu, Han-Bing Li, Yu-Cheng Li, Li-Tao Yi
Ferulic acid is a hydroxycinnamic acid that widely presents in plant cell wall components. It has been demonstrated that ferulic acid can attenuate depressive-like behaviors in both forced swimming test and tail suspension test. Considering that depression is an inflammatory related mental disease, our present study was aimed to investigate the role of ferulic acid in the regulation of microglia activation, pro-inflammatory cytokines, nuclear factor kappa B (NF-κB) and nucleotide binding and oligomerization domain-like receptor family pyrin domain-containing 3 (NLRP3) inflammasome in mice exposed to chronic unpredictable mild stress (CUMS)...
February 14, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28213105/anxiolytic-and-antidepressant-like-effects-of-an-aqueous-extract-of-tanacetum-parthenium-l-schultz-bip-asteraceae-in-mice
#4
Jorge Cárdenas, Valeria Reyes-Pérez, María Dolores Hernández-Navarro, Ana María Dorantes-Barrón, Salvador Almazán, Rosa Estrada-Reyes
AIM: Tanacetum parthenium L. Schultz-Bip (Asteraceae) is widely used worldwide in traditional medicine for the treatment of convulsions and culture-bound syndromes such as susto (fear). The aim of this work was to evaluate the anxiolytic- and antidepressant-like effects of an aqueous extract of T. parthenium in behavioral paradigms in mice. The effects of T. parthenium were compared with those produced by anxiolytic and antidepressant drugs. We carried out the chemical characterization of the main constituents of T...
February 14, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28205135/apium-graveolens-extract-influences-mood-and-cognition-in-healthy-mice
#5
Phetcharat Boonruamkaew, Wanida Sukketsiri, Pharkphoom Panichayupakaranant, Wijittra Kaewnam, Supita Tanasawet, Varomyalin Tipmanee, Pilaiwanwadee Hutamekalin, Pennapa Chonpathompikunlert
Apium graveolens is a food flavoring which possesses various health promoting effects. This study investigates the effect of a sub-acute administration of A. graveolens on cognition and anti-depression behaviors via antioxidant and related neurotransmitter systems in mice brains. Cognition and depression was assessed by various models of behavior. The antioxidant system of glutathione peroxidase (GPx), % inhibition of superoxide anion (O2(-)), and lipid peroxidation were studied. In addition, neurochemical parameters including acetylcholinesterase (AChE) and monoamine oxidase-type A (MAO-A) were also evaluated...
February 15, 2017: Journal of Natural Medicines
https://www.readbyqxmd.com/read/28198797/erratum-risk-of-prenatal-depression-and-stress-treatment-alteration-on-serotonin-system-of-offspring-through-exposure-to-fluoxetine
#6
Siran Pei, Li Liu, Zhaomin Zhong, Han Wang, Shuo Lin, Jing Shang
No abstract text is available yet for this article.
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28198558/predictive-framework-for-estimating-exposure-of-birds-to-pharmaceuticals
#7
Thomas G Bean, Kathryn E Arnold, Julie M Lane, Ed Bergström, Jane Thomas-Oates, Barnett A Rattner, Alistair B A Boxall
Here we present and evaluate a framework for estimating concentrations of pharmaceuticals over time in wildlife feeding at wastewater treatment plants (WWTPs). The framework is composed of a series of predictive steps involving the estimation of pharmaceutical concentration in wastewater, accumulation into wildlife food items, uptake by wildlife with subsequent distribution into, and elimination from, tissues. As many pharmacokinetic parameters for wildlife are unavailable for the majority of drugs in use, a read-across approach was employed using either rodent or human data on absorption, distribution, metabolism and excretion (ADME)...
February 15, 2017: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/28196999/indian-psychiatric-society-multicentric-study-correlates-of-prescription-patterns-of-psychotropics-in-india
#8
Sandeep Grover, Ajit Avasthi, Vishal Sinha, Bhavesh Lakdawala, Manish Bathla, Sujata Sethi, D M Mathur, Puneet Kathuria, Sandip Shah, D Sai Baalasubramanian, Vivek Agarwal, Kamla Deka
BACKGROUND: There is a lack of information on the clinical and sociodemographic correlates of prescription of psychotropics by psychiatrists. AIM AND OBJECTIVE: This study aimed to evaluate the relationship of prescription patterns with various clinical and sociodemographic variables. METHODOLOGY: Data of prescription patterns, psychiatric diagnosis, sociodemographic variables, and comorbid physical illnesses were collected for 4480 patients, across 11 centers...
October 2016: Indian Journal of Psychiatry
https://www.readbyqxmd.com/read/28193480/mice-increased-target-biting-behaviors-24-hours-after-co-administration-of-alcohol-and-fluoxetine
#9
Ping Chao Mamiya, Judith Matray-Devoti, Hans Fisher, George C Wagner
Increased alcohol consumption has been linked to social isolation. Individuals showed heightened aggression following social isolation. Animals treated with alcohol following social separation showed higher aggression and lower serotonin transmission. Although reduced serotonin transmission in the brain may be related to alcohol induced heightened aggression, it remains unclear whether there are specific brain regions where changes in serotonin transmission are critical for animal aggression following alcohol treatment...
February 10, 2017: Brain Research
https://www.readbyqxmd.com/read/28192727/ecotoxicological-assessments-show-sucralose-and-fluoxetine-affect-the-aquatic-plant-lemna-minor
#10
Cherisse Amy-Sagers, Keith Reinhardt, Danelle M Larson
Pharmaceuticals and personal care products (PPCP) are prevalent in aquatic systems, yet the fate and impacts on aquatic plants needs quantification for many compounds. We measured and detected sucralose (an artificial sweetener), fluoxetine (an antidepressant), and other PPCP in the Portneuf River in Idaho, USA, where Lemna minor (an aquatic plant in the environment and used in ecotoxicology studies) naturally occurs. Sucralose was hypothesized to negatively affect photosynthesis and growth of L. minor because sucralose is a chlorinated molecule that may be toxic or unusable for plant metabolism...
January 19, 2017: Aquatic Toxicology
https://www.readbyqxmd.com/read/28192078/the-pressure-temperature-phase-diagram-of-metacetamol-and-its-comparison-to-the-phase-diagram-of-paracetamol
#11
M Barrio, J Huguet, I B Rietveld, B Robert, R Céolin, J Ll Tamarit
Understanding the polymorphic behavior of active pharmaceutical ingredients is important for formulation purposes and regulatory reasons. Metacetamol is an isomer of paracetamol and it similarly exhibits polymorphism. In the present paper, it has been found that one of the polymorphs of metacetamol is only stable under increased pressure, which has led to the conclusion that metacetamol like paracetamol is a monotropic system under ordinary (= laboratory) conditions and that it becomes enantiotropic under pressure with the I-II-L triple point coordinates for metacetamol TI-II-L = 535±10 K and PI-II-L = 692±70 MPa...
February 9, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28189098/telmisartan-attenuates-diabetes-induced-depression-in-rats
#12
Urmila Aswar, Shilpa Chepurwar, Sumit Shintre, Manoj Aswar
BACKGROUND: Role of brain renin angiotensin system (RAS) is well understood and various clinical studies have proposed neuroprotective effects of ARB's. It is also assumed that diabetic depression is associated with activation of brain RAS, HPA axis dysregulation and brain inflammatory events. Therefore, the present study was designed to investigate the antidepressant effect of low dose telmisartan (TMS) in diabetes induced depression (DID) in rats. METHODS: Diabetes was induced by injecting streptozotocin...
December 9, 2016: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28179152/the-six-most-widely-used-selective-serotonin-reuptake-inhibitors-decrease-androgens-and-increase-estrogens-in-the-h295r-cell-line
#13
Cecilie Hurup Hansen, Lizette Weber Larsen, Amalie Møller Sørensen, Bent Halling-Sørensen, Bjarne Styrishave
Selective serotonin reuptake inhibitors (SSRIs) used as first line of treatment in major depressive disorder (MDD) are known to exert negative effects on the endocrine system and fertility. The aim of the present study was to investigate the possible endocrine disrupting effect of six SSRIs, fluoxetine, paroxetine, citalopram and its active enantiomer escitalopram, sertraline and fluvoxamine using the OECD standardized and validated human in vitro adrenocortical H295R cell assay. All the major steroids, including progestagens, corticoids, androgens and estrogens were analysed using a fully validated LC-MS/MS method...
February 5, 2017: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/28178686/correlation-between-hormone-receptor-status-and-depressive-symptoms-in-patients-with-metastatic-breast-cancer
#14
Xiangyu Guo, Junnan Xu, Ying E, Zhifu Yu, Tao Sun
Individual differences in depressive symptoms correlate with morbidity and outcomes in breast cancer patients. We evaluated the effect of hormone receptor (HR) status on depressive symptoms in 176 women with metastatic breast cancer at diagnosis. To assess depression, the women completed Self-Rating Depression Scale (SDS) questionnaires at baseline examination (T1), after 4 chemotherapy cycles (T2) and after 6 months (T3). At baseline examination, 45/176 (25.6%) patients were found to be at high or medium risk for depression (SDS score ≥0...
February 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28178610/removal-of-pharmaceuticals-from-municipal-wastewater-by-aerated-submerged-attached-growth-reactors
#15
Y Flores Velázquez, P Mijaylova Nacheva
The performance of four aerated submerged attached growth bioreactors was studied for the removal of three pharmaceutical micro-pollutants (fluoxetine, mefenamic acid and metoprolol) from municipal wastewater. Two packing materials (polyethylene tapes and polyurethane cubes) were compared and the effects of different organic loads (3.0, 6.0, 9.0 and 12 gCOD m(-2) d(-1)) and of the effluent recirculation were investigated. The obtained solid retention times were in the range of 4-37 d. The reactors packed with polyurethane cubes allowed 11-26% higher biomass accumulation than the ones with polyethylene tapes and higher solid retention times...
February 5, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28177665/possible-involvement-of-atp-sensitive-potassium-channels-in-the-antidepressant-like-effects-of-gabapentin-in-mice-forced-swimming-test
#16
Sattar Ostadhadi, Reyhaneh Akbarian, Abbas Norouzi-Javidan, Vahid Nikoui, Samira Zolfaghari, Mohsen Chamanara, Ahmad-Reza Dehpour
Gabapentin as an anticonvulsant drug also has beneficial effects in treatment of depression. Previously we showed that acute administration of gabapentin produced an antidepressant-like effect in the mouse forced swimming test (FST) by a mechanism involves the inhibition of the nitric oxide (NO). Considering the involvement of NO in adenosine triphosphate (ATP)-sensitive potassium channels (KATP), in the present study we investigated the involvement of KATP channels in antidepressant-like effect of gabapentin...
January 29, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28167075/inhibition-of-the-nmda-and-ampa-receptor-channels-by-antidepressants-and-antipsychotics
#17
Oleg I Barygin, Elina I Nagaeva, Denis B Tikhonov, Darya A Belinskaya, Nina P Vanchakova, Natalia N Shestakova
It is known that some antidepressants and antipsychotics directly inhibit NMDA-type ionotropic glutamate receptors. In this study we systematically studied action of seven drugs (Fluoxetine, Citalopram, Desipramine, Amitriptyline, Atomoxetine, Chlorpromazine, and Clozapine) on NMDA receptors and Ca(2+)-permeable and -impermeable AMPA receptors in rat brain neurons by whole-cell patch-clamp technique. Except for weak effect of fluoxetine, all drugs were virtually inactive against Ca(2+)-impermeable AMPA receptors...
February 3, 2017: Brain Research
https://www.readbyqxmd.com/read/28163191/csahi-study-detection-of-drug-induced-ion-channel-receptor-responses-qt-prolongation-and-arrhythmia-using-multi-electrode-arrays-in-combination-with-human-induced-pluripotent-stem-cell-derived-cardiomyocytes
#18
Takashi Kitaguchi, Yuta Moriyama, Tomohiko Taniguchi, Sanae Maeda, Hiroyuki Ando, Takaaki Uda, Koji Otabe, Masao Oguchi, Shigekazu Shimizu, Hiroyuki Saito, Atsushi Toratani, Mahoko Asayama, Wataru Yamamoto, Emi Matsumoto, Daisuke Saji, Hiroki Ohnaka, Norimasa Miyamoto
INTRODUCTION: The use of multi-electrode arrays (MEA) in combination with human induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) provides a promising method to predict comprehensive cardiotoxicity, including drug-induced QT prolongation and arrhythmia. We previously demonstrated that MEA in combination with hiPSC-CMs could provide a generalizable platform by using 7 reference drugs at 10 testing facilities. Using this approach, we evaluated responses to reference drugs that modulate a range of cardiac ion currents and have a range of arrhythmogenic effects...
February 2, 2017: Journal of Pharmacological and Toxicological Methods
https://www.readbyqxmd.com/read/28162574/-333-fluoxetine-revert-the-effect-of-mk-212-intra-amygdala-injections-but-does-not-change-the-8-oh-dpat-effects-on-antinociception-induced-in-mice-confined-to-open-arms-the-elevated-plus-maze
#19
L Renata Rodrigues Tavares, D Baptista-de-Souza, A Canto-de-Souza
No abstract text is available yet for this article.
April 2016: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28144864/assessment-of-lemna-minor-duckweed-and-corbicula-fluminea-freshwater-clam-as-potential-indicators-of-contaminated-aquatic-ecosystems-responses-to-presence-of-psychoactive-drug-mixtures
#20
Bourioug Mohamed, Mazzitelli Jean-Yves, Marty Pierre, Budzinski Hélène, Lotfi Aleya, Bonnafé Elsa, Geret Florence
The pharmaceutical products are emerging pollutants continuously released into the environment, because they cannot be effectively removed by the wastewater treatment plants. In recent years, questions have been raised concerning the environmental risks related to these pollutants. The goal of this research was to evaluate the responses in Lemna minor after 7 days and in Corbicula fluminea after differing durations (1, 3, 7, and 19 days) of exposure to the psychoactive drug mixture (valproic acid, citalopram, carbamazepine, cyamemazine, hydroxyzine, oxazepam, norfluoxetine, lorazepam, fluoxetine, and sertraline) in different concentrations (0, 0 + ethanol, drug concentration (DC) 1 = river water concentration, DC2 = effluent concentration, and DC3 = 10× effluent concentration)...
January 31, 2017: Environmental Science and Pollution Research International
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