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ketamine pharmacology

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https://www.readbyqxmd.com/read/27903678/adnp-is-a-therapeutically-inducible-repressor-of-wnt-signaling-in-colorectal-cancer
#1
Cristina Blaj, Agnes Bringmann, Eva Marina Schmidt, Manuela Urbischek, Sebastian Lamprecht, Thomas Fröhlich, Georg J Arnold, Stefan Krebs, Helmut Blum, Heiko Hermeking, Andreas Jung, Thomas Kirchner, David Horst
PURPOSE: Constitutively active WNT signaling is hallmark of colorectal cancers and driver of malignant tumor progression. Therapeutic targeting of WNT signaling is difficult due to high pathway complexity and its role in tissue homeostasis. Here we identify the transcription factor ADNP as a pharmacologically inducible repressor of WNT signaling in colon cancer. EXPERIMENTAL DESIGN: We used transcriptomic, proteomic, and in situ analyses to identify ADNP expression in colorectal cancer, and cell biology approaches to determine its function...
November 30, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27844474/assessment-of-acute-pain-in-trauma-a-retrospective-prehospital-evaluation
#2
Stine Hebsgaard, Anne Mannering, Stine T Zwisler
OBJECTIVE: To elucidate pain treatment with analgesics in a prehospital trauma population. DESIGN: Retrospective database study. SETTING: Prehospital data from the anesthesiologist-manned Mobile Emergency Care Unit (MECU) in Odense, Denmark, were extracted and subjected to analysis. PATIENTS: During the period of January 1, 2013 to December 31, 2014, patients with the diagnoses "unspecified multiple injuries," "examination and observation following traffic accident," "examination and observation following other accident," and "commotio cerebri" were included in the analysis...
September 2016: Journal of Opioid Management
https://www.readbyqxmd.com/read/27842942/evaluation-of-50-khz-ultrasonic-vocalizations-in-animal-models-of-mania-ketamine-and-lisdexamfetamine-induced-hyperlocomotion-in-rats
#3
Etieli Wendler, Camila Pasquini de Souza, Debora Dalla Vecchia, Luiz Kae Sales Kanazawa, Palloma de Almeida Soares Hocayen, Markus Wöhr, Rainer K W Schwarting, Roberto Andreatini
Drug-induced hyperlocomotion in rodents is frequently used as a behavioral model for mania. However, the use of locomotor activity as the single parameter in these animal models of mania may pose some limitations for developing new pharmacological treatments. Thus, alternative behavioral markers are required. Fifty-kHz ultrasonic vocalizations (USV), which are thought to represent positive affect, are increased by the administration of the psychostimulant d-amphetamine, an effect that can be prevented by lithium treatment, the gold standard antimanic drug for treating bipolar disorder...
December 2016: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27836553/how-much-alcohol-is-in-ketamine-s-antidepressant-action
#4
REVIEW
Udo Bonnet
Ketamine is approved to start and maintain anaesthesia or analgesia. Ketamine is also known to be neurotoxic and an old drug of abuse. Numerous studies have proven a rapid and strong antidepressant response (AR) following parenteral sub-anaesthetic ketamine doses when applied the first time to patients with treatment resistant unipolar or bipolar major depression. This rapid and robust AR is encouraging, though short-lived (usually up to seven days). There is growing evidence that repeated und escalating ketamine administrations exert longer-lasting AR than single infusions...
November 8, 2016: Life Sciences
https://www.readbyqxmd.com/read/27832755/experience-of-the-use-of-ketamine-to-manage-opioid-withdrawal-in-an-addicted-woman-a-case-report
#5
Laurence Lalanne, Chloe Nicot, Jean-Philippe Lang, Gilles Bertschy, Eric Salvat
BACKGROUND: Opioids are good painkillers, but many patients treated with opioids as painkillers developed a secondary addiction. These patients need to stop misusing opioids, but the mild-to-severe clinical symptoms associated with opioid withdrawal risk increasing their existing pain. In such cases, ketamine, which is used by anaesthetists and pain physicians to reduce opioid medication, may be an effective agent for managing opioid withdrawal. CASE PRESENTATION: We describe the case of a woman who developed a severe secondary addiction to opioids in the context of lombo-sciatic pain...
November 10, 2016: BMC Psychiatry
https://www.readbyqxmd.com/read/27828892/exploring-opioid-sparing-multimodal-analgesia-options-in-trauma-a-nursing-perspective
#6
Denise Sullivan, Mary Lyons, Robert Montgomery, Ann Quinlan-Colwell
Challenges with opioids (e.g., adverse events, misuse and abuse with long-term administration) have led to a renewed emphasis on opioid-sparing multimodal management of trauma pain. To assess the extent to which currently available evidence supports the efficacy and safety of various nonopioid analgesics and techniques to manage trauma pain, a literature search of recently published references was performed. Additional citations were included on the basis of authors' knowledge of the literature. Effective options for opioid-sparing analgesics include oral and intravenous (IV) acetaminophen; nonsteroidal anti-inflammatory drugs available via multiple routes; and anticonvulsants, which are especially effective for neuropathic pain associated with trauma...
November 2016: Journal of Trauma Nursing: the Official Journal of the Society of Trauma Nurses
https://www.readbyqxmd.com/read/27798810/emergence-delirium-in-pediatric-anesthesia
#7
REVIEW
Arthura D Moore, Doralina L Anghelescu
Emergence delirium (ED) is a complex of perceptual disturbances and psychomotor agitation that occurs most commonly in preschool-aged children in the early postanesthetic period. The incidence of ED varies between 10 and 80% in children and is perceived as a troublesome clinical situation by 42% of pediatric anesthesiologists. Although these events are often short lived, they increase the risk of self-injury and delayed discharge, require additional nursing staff and can increase medical care costs, all of which are causes for concern...
October 31, 2016: Paediatric Drugs
https://www.readbyqxmd.com/read/27783767/moderate-sedation-helps-improve-future-behavior-in-pediatric-dental-patients-a-prospective-study
#8
Denise Espíndola Antunes, Karolline Alves Viana, Paulo Sucasas Costa, Luciane Rezende Costa
There is little evidence on the long-term effects of pharmacological management in children undergoing dental treatment. This study aimed to assess children's behavior in consecutive dental sessions following oral rehabilitation using different pharmacological regimens for behavioral control. Participants were preschoolers who were previously treated for caries under one of the following: no sedative, oral sedation with midazolam, oral sedation with midazolam/ketamine, or general anesthesia. The children's behavior in the follow-up sessions was assessed using the Ohio State University Behavioral Rating Scale (OSUBRS); higher scores represented less cooperative behavior (range 5-20)...
October 24, 2016: Brazilian Oral Research
https://www.readbyqxmd.com/read/27755061/lassbio-1422-a-new-molecular-scaffold-with-efficacy-in-animal-models-of-schizophrenia-and-disorders-of-attention-and-cognition
#9
Andresa H Betti, Camila B Antonio, Thais E T Pompeu, Thaise S Martins, Vivian Herzfeldt, Eveline D Stolz, Carlos A M Fraga, Eliezer Barreiro, François Noël, Stela M K Rates
Aiming to identify new antipsychotic lead-compounds, our group has been working on the design and synthesis of new N-phenylpiperazine derivatives. Here, we characterized LASSBio-1422 as a pharmacological prototype of this chemical series. Adult male Wistar rats and CF1 mice were used for in-vitro and in-vivo assays, respectively. LASSBio-1422 [1 and 5 mg/kg, postoperatively (p.o.)] inhibited apomorphine-induced climbing as well as ketamine-induced hyperlocomotion (1 and 5 mg/kg, p.o.), animal models predictive of efficacy on positive symptoms...
October 13, 2016: Behavioural Pharmacology
https://www.readbyqxmd.com/read/27747877/behavioral-pharmacology-of-the-odor-span-task-effects-of-flunitrazepam-ketamine-methamphetamine-and-methylphenidate
#10
Mark Galizio, Brooke April, Melissa Deal, Andrew Hawkey, Danielle Panoz-Brown, Ashley Prichard, Katherine Bruce
The Odor Span Task is an incrementing non-matching-to-sample procedure that permits the study of behavior under the control of multiple stimuli. Rats are exposed to a series of odor stimuli and selection of new stimuli is reinforced. Successful performance thus requires remembering which stimuli have previously been presented during a given session. This procedure has been frequently used in neurobiological studies as a rodent model of working memory; however, only a few studies have examined the effects of drugs on performance in this task...
November 2016: Journal of the Experimental Analysis of Behavior
https://www.readbyqxmd.com/read/27737513/pharmacologic-interventions-for-treating-phantom-limb-pain
#11
REVIEW
Maria Jenelyn M Alviar, Tom Hale, Monalisa Dungca
BACKGROUND: This is an updated version of the original Cochrane review published in Issue 12, 2011. Phantom limb pain (PLP) is pain that arises in the missing limb after amputation and can be severe, intractable, and disabling. Various medications have been studied in the treatment of phantom pain. There is currently uncertainty in the optimal pharmacologic management of PLP. OBJECTIVES: This review aimed to summarise the evidence of effectiveness of pharmacologic interventions in treating PLP...
October 14, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27725212/tak-063-a-phosphodiesterase-10a-inhibitor-modulates-neuronal-activity-in-various-brain-regions-in-phmri-and-eeg-studies-with-and-without-ketamine-challenge
#12
Yoshiro Tomimatsu, Diana Cash, Motohisa Suzuki, Kazunori Suzuki, Michel Bernanos, Camilla Simmons, Steven C R Williams, Haruhide Kimura
TAK-063 is a selective phosphodiesterase 10A (PDE10A) inhibitor that produces potent antipsychotic-like and pro-cognitive effects at 0.3mg/kg (26% PDE10A occupancy in rats) or higher in rodents through the balanced activation of the direct and indirect pathways of striatal medium spiny neurons (MSNs). In this study, we evaluated the specific binding of TAK-063 using in vitro autoradiography (ARG) and the modulation of brain activity using pharmacological magnetic resonance imaging (phMRI) and electroencephalography (EEG)...
December 17, 2016: Neuroscience
https://www.readbyqxmd.com/read/27695362/reduction-of-central-neuropathic-pain-with-ketamine-infusion-in-a-patient-with-ehlers-danlos-syndrome-a-case-report
#13
Tony Chung Tung Lo, Stephen Tung Yeung, Sujin Lee, Kira Skavinski, Solomon Liao
OBJECTIVE: Ehlers-Danlos syndrome frequently causes acute and chronic pain because of joint subluxations and dislocations secondary to hypermobility. Current treatments for pain related to Ehlers-Danlos syndrome and central pain syndrome are inadequate. This case report discusses the therapeutic use of ketamine intravenous infusion as an alternative. CASE REPORT: A 27-year-old Caucasian female with a history of Ehlers-Danlos syndrome and spinal cord ischemic myelopathy resulting in central pain syndrome, presented with severe generalized body pain refractory to multiple pharmacological interventions...
2016: Journal of Pain Research
https://www.readbyqxmd.com/read/27695125/synthesis-pharmacological-profile-and-docking-studies-of-new-sulfonamides-designed-as-phosphodiesterase-4-inhibitors
#14
Isabelle Karine da Costa Nunes, Everton Tenório de Souza, Suzana Vanessa S Cardozo, Vinicius de Frias Carvalho, Nelilma Correia Romeiro, Patrícia Machado Rodrigues E Silva, Marco Aurélio Martins, Eliezer J Barreiro, Lídia Moreira Lima
Prior investigations showed that increased levels of cyclic AMP down-regulate lung inflammatory changes, stimulating the interest in phosphodiesterase (PDE)4 as therapeutic target. Here, we described the synthesis, pharmacological profile and docking properties of a novel sulfonamide series (5 and 6a-k) designed as PDE4 inhibitors. Compounds were screened for their selectivity against the four isoforms of human PDE4 using an IMAP fluorescence polarized protocol. The effect on allergen- or LPS-induced lung inflammation and airway hyper-reactivity (AHR) was studied in A/J mice, while the xylazine/ketamine-induced anesthesia test was employed as a behavioral correlate of emesis in rodents...
2016: PloS One
https://www.readbyqxmd.com/read/27692755/apnea-after-low-dose-ketamine-sedation-during-attempted-delayed-sequence-intubation
#15
Brian E Driver, Robert F Reardon
Some patients are agitated and unable to tolerate conventional preoxygenation methods, including face mask oxygen or noninvasive positive-pressure ventilation. Sedation with ketamine for preoxygenation, also known as delayed sequence intubation, is a technique that can be used to achieve preoxygenation in this patient population. No complications of delayed sequence intubation have previously been reported. A 60-year-old woman presented with acute hypoxic respiratory failure. Despite application of high-flow oxygen (60 L/min) with a nonrebreather face mask, her oxygen saturation remained at 93%...
September 27, 2016: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/27685472/illegal-use-patterns-side-effects-and-analytical-methods-of-ketamine
#16
Eunyoung Han, Nam Ji Kwon, Ling-Yi Feng, Jih-Heng Li, Heesun Chung
In Asian countries, such as China, Taiwan, and Hong Kong, ketamine (KT) is one of the most prevalent illicit use drugs. KT is regulated by various drug-related laws in many countries, such as Korea, Taiwan, China, U.S.A, Netherlands, UK, Australia, Mexico, and Canada. This review research explored pharmacology and side effects of KT, the illicit use patterns of KT, the analytical methods of KT in biological samples, and the concentrations of KT from abusers and non-abusers. Many side effects of KT have been reported mental and physical problems...
September 12, 2016: Forensic Science International
https://www.readbyqxmd.com/read/27631249/strategies-for-the-prevention-of-catheter-related-bladder-discomfort-a-prisma-compliant-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#17
Baoji Hu, Chengbao Li, Mengzhi Pan, Ming Zhong, Yu Cao, Nannan Zhang, Hongbin Yuan, Hongwei Duan
BACKGROUND: The ideal measures to prevent postoperative catheter-related bladder discomfort (CRBD) remain unestablished. We conducted the systematic review and meta-analysis to clarify the significance of potential interventions. METHODS: We followed the Preferred Reporting Items for Systematic review and Meta-Analysis statement guidelines, and searched databases from MEDLINE, EMBASE, and referred Cochrane Library for randomized clinical trials (RCTs) published before December 2014...
September 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27590136/ketamine-exhibits-different-neuroanatomical-profile-after-mammalian-target-of-rapamycin-inhibition-in-the-prefrontal-cortex-the-role-of-inflammation-and-oxidative-stress
#18
Helena M Abelaira, Gislaine Z Réus, Zuleide M Ignácio, Maria Augusta B Dos Santos, Airam B de Moura, Danyela Matos, Júlia P Demo, Júlia B I da Silva, Lucineia G Danielski, Fabricia Petronilho, André F Carvalho, João Quevedo
Studies indicated that mammalian target of rapamycin (mTOR), oxidative stress, and inflammation are involved in the pathophysiology of major depressive disorder (MDD). Ketamine, an N-methyl-D-aspartate (NMDA) receptor antagonist, has been identified as a novel MDD therapy; however, the antidepressant mechanism is not fully understood. In addition, the effects of ketamine after mTOR inhibition have not been fully investigated. In the present study, we examined the behavioral and biochemical effects of ketamine in the prefrontal cortex (PFC), hippocampus, amygdala, and nucleus accumbens after inhibition of mTOR signaling in the PFC...
September 2, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27578365/ketamine-dependent-neuronal-activation-in-healthy-volunteers
#19
Anna Höflich, Andreas Hahn, Martin Küblböck, Georg S Kranz, Thomas Vanicek, Sebastian Ganger, Marie Spies, Christian Windischberger, Siegfried Kasper, Dietmar Winkler, Rupert Lanzenberger
Over the last years, a number of studies have been conducted to clarify the neurobiological correlates of ketamine application. However, comprehensive information regarding the influence of ketamine on cortical activity is still lacking. Using resting-state functional MRI and integrating pharmacokinetic information, a double-blind, randomized, placebo-controlled, crossover study was performed to determine the effects of ketamine on neuronal activation. During a 55 min resting-state fMRI scan, esketamine (Ketanest S(®)) was administered intravenously to 35 healthy volunteers...
August 30, 2016: Brain Structure & Function
https://www.readbyqxmd.com/read/27560632/the-prepulse-inhibition-deficit-appearance-is-largely-independent-on-the-circadian-cycle-body-weight-and-the-gender-of-vasopressin-deficient-brattleboro-rat
#20
A Fodor, B Klausz, B Toth, D Zelena
OBJECTIVE: A disturbance of sensorimotor gating measured by prepulse inhibition of acoustic startle (PPI) is one of the best tests of the schizophrenia-like behavior. Vasopressin was implicated in the development of schizophrenia; therefore, the naturally occurring vasopressin-deficient Brattleboro rat has been suggested to be a reliable non-pharmacological animal model. However, previous studies focusing on PPI deficit did not use proper control and despite clear gender differences in the development of the disorder, the effect of gender has been mostly neglected...
January 2016: Endocrine Regulations
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