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Ketamine drug dependence

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https://www.readbyqxmd.com/read/29618991/cue-induced-brain-activation-in-chronic-ketamine-dependent-subjects-cigarette-smokers-and-healthy-controls-a-task-functional-magnetic-resonance-imaging-study
#1
Yanhui Liao, Maritza Johnson, Chang Qi, Qiuxia Wu, An Xie, Jianbin Liu, Mei Yang, Maifang Huang, Yan Zhang, Tieqiao Liu, Wei Hao, Jinsong Tang
Background: Observations of drug-related cues may induce craving in drug-dependent patients, prompting compulsive drug-seeking behavior. Sexual dysfunction is common in drug users. The aim of the study was to examine regional brain activation to drug (ketamine, cigarette smoking) associated cues and natural (sexual) rewards. Methods: A sample of 129 [40 ketamine use smokers (KUS), 45 non-ketamine use smokers (NKUS) and 44 non-ketamine use non-smoking healthy controls (HC)] participants underwent functional magnetic resonance imaging (fMRI) while viewing ketamine use related, smoking and sexual films...
2018: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/29576706/rhynchophylline-downregulates-phosphorylated-camp-response-element-binding-protein-nuclear-receptor-related-1-and-brain-derived-neurotrophic-factor-expression-in-the-hippocampus-of-ketamine-induced-conditioned-place-preference-rats
#2
Youli Guo, Chaohua Luo, Genghong Tu, Chan Li, Yi Liu, Wei Liu, Ken Kin Lam Yung, Zhixian Mo
Background: Addiction to ketamine is becoming a serious public health issues, for which there exists no effective treatment. Rhynchophylline (Rhy) is an alkaloid extracted from certain Uncaria species that is well known for both its potent anti-addictive and neuroprotective properties. Increasing evidence supports the contributions of cAMP response element binding protein (CREB), nuclear receptor-related-1 (Nurr1), and brain-derived neurotrophic factor (BDNF) in modulating neural and behavioral plasticity which was induced by addictive drugs...
January 2018: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29545857/expression-of-micrornas-in-the-serum-exosomes-of-methamphetamine-dependent-rats-vs-ketamine-dependent-rats
#3
Hancheng Li, Chan Li, Yuting Zhou, Chaohua Luo, Jingying Ou, Jing Li, Zhixian Mo
Drug abuse is a public health and social problem. A number of studies have reported that drug addiction is associated with microRNAs (miRNAs). By comparing the expression of miRNAs in the serum exosomes of methamphetamine-dependent and ketamine-dependent rats, the aim of the present study was to provide insights into the miRNA-mediated associations between the two groups. Published results on conditioned place preference (CPP) in rats conditioned by methamphetamine and ketamine were replicated. The expression of miRNAs in serum exosomes were determined by gene-chip sequencing...
April 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29537989/psilocin-and-ketamine-microdosing-effects-of-subchronic-intermittent-microdoses-in-the-elevated-plus-maze-in-male-wistar-rats
#4
Rachel R Horsley, Tomáš Páleníček, Jan Kolin, Karel Valeš
Short-term moderate doses of serotonergic and dissociative hallucinogens can be useful in the treatment of anxiety. Recently, a trend has developed for long-term intermittent 'microdosing' (usually one-tenth of a 'full' active dose), with reports of long-lasting relief from anxiety and related disorders; however, there is no scientific evidence for the efficacy of therapeutic microdosing nor to show its lasting effects. The objective of this study was to test for lasting effects on anxiety in rats after microdosing with ketamine or psilocin...
March 13, 2018: Behavioural Pharmacology
https://www.readbyqxmd.com/read/29516036/inhibition-of-a-descending-prefrontal-circuit-prevents-ketamine-induced-stress-resilience-in-females
#5
S D Dolzani, M V Baratta, J M Moss, N L Leslie, S G Tilden, A T Sørensen, L R Watkins, Y Lin, S F Maier
Stress is a potent etiological factor in the onset of major depressive disorder and posttraumatic stress disorder (PTSD). Therefore, significant efforts have been made to identify factors that produce resilience to the outcomes of a later stressor, in hopes of preventing untoward clinical outcomes. The NMDA receptor antagonist ketamine has recently emerged as a prophylactic capable of preventing neurochemical and behavioral outcomes of a future stressor. Despite promising results of preclinical studies performed in male rats, the effects of proactive ketamine in female rats remains unknown...
January 2018: ENeuro
https://www.readbyqxmd.com/read/29510816/adjuvant-analgesics-for-spine-surgery
#6
Rikke Vibeke Nielsen
Increasing evidence indicate that pain is insufficiently treated following surgical procedures. It is essential that pain treatment is effective with a minimum of side effects in order to promote postoperative rehabilitation. Multimodal analgesia is most likely an important strategy in reducing postoperative pain. Combinations of different analgesics with different mechanisms of action may have an additive analgesic effect with fewer side effects compared to using a single drug. However, there is still a pronounced lack of documentation for the effect and side effects of these multimodal analgesic regimes...
March 2018: Danish Medical Journal
https://www.readbyqxmd.com/read/29476799/effects-of-rhynchophylline-on-the-hippocampal-mirna-expression-profile-in-ketamine-addicted-rats
#7
Chan Li, Genghong Tu, Chaohua Luo, Youli Guo, Miao Fang, Chen Zhu, Hancheng Li, Jinying Ou, Yuting Zhou, Wei Liu, Ken Kin Lam Yung, Zhixian Mo
In the past few years, ketamine, a noncompetitive NMDA antagonist, has been widely abused worldwide as a new type of synthetic drug, severely affecting the physical and mental health of ketamine abusers. Previous studies have suggested that rhynchophylline can alleviate drug abuse and reverse the conditioned place preference caused by the abuse. MicroRNAs (miRNAs) are important factors regulating gene expression and are involved in the drug addiction process. The hippocampus is a critical area in the brain involved in causing drug addiction...
February 21, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/29453833/ketamine-induces-apoptosis-in-lung-adenocarcinoma-cells-by-regulating-the-expression-of-cd69
#8
Xuhui Zhou, Peihong Zhang, Wei Luo, Lei Zhang, Rong Hu, Yu Sun, Hong Jiang
Ketamine, an anesthetic, analgesic, or sedative, is widely used for the treatment of cancer pain. Recently, ketamine has been also reported to be tumor repressor for inhibiting proliferation, invasion, and migration, and inducing apoptosis in many cancers. However, whether ketamine can induce the apoptosis of lung adenocarcinoma (LUAD) and which downstream molecular mediates its function remain largely unknown. A LUAD cell line A549 was incubated with ketamine at 0, 1, 10, and 100 μmol/L for 24 h. Trypan blue staining was used to detect the cell viability...
February 17, 2018: Cancer Medicine
https://www.readbyqxmd.com/read/29427922/psychotomimetic-like-behavioral-effects-of-memantine-in-the-mouse
#9
Nobue Kitanaka, Junichi Kitanaka, F Scott Hall, Yoshiro Kubota, Yumi Mimura, Sayaka Ogura, Yukiya Okada, George R Uhl, Motohiko Takemura
A single administration of mice with memantine (1-amino-3,5-dimethyladamantane), a glutamatergic N-methyl-d-aspartate (NMDA) receptor antagonist, induced stereotyped behaviors in dose- and time-dependent manners. The predominant behavioral component of the stereotypy was a continuous, exaggerated sniffing which was accompanied by persistent locomotion. In contrast, a psychostimulant methamphetamine (METH) predominantly induced a stereotyped biting and other forms of intense stationary stereotypical behaviors...
April 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29395043/calcium-calmodulin-dependent-protein-kinase-ii-and-eukaryotic-elongation-factor-2-kinase-pathways-mediate-the-antidepressant-action-of-ketamine
#10
Chinnakkaruppan Adaikkan, Elham Taha, Iliana Barrera, Orit David, Kobi Rosenblum
BACKGROUND: Ketamine is an N-methyl-D-aspartate receptor antagonist, which on administration produces fast-acting antidepressant responses in patients with major depressive disorder. Yet, the mechanism underlying the antidepressant action of ketamine remains unclear. METHODS: To unravel the mechanism of action of ketamine, we treated wild-type C57BL/6 mice with calcium/calmodulin-dependent protein kinase II (CaMKII) specific inhibitor tatCN21 peptide. We also used eukaryotic elongation factor 2 kinase (eEF2K) (also known as CaMKIII) knockout mice...
December 5, 2017: Biological Psychiatry
https://www.readbyqxmd.com/read/29339294/ketamine-for-the-treatment-of-addiction-evidence-and-potential-mechanisms
#11
REVIEW
I Ivan Ezquerra-Romano, W Lawn, E Krupitsky, C J A Morgan
Ketamine is a dissociative anaesthetic drug which acts on the central nervous system chiefly through antagonism of the n-methyl-d-aspartate (NMDA) receptor. Recently, ketamine has attracted attention as a rapid-acting anti-depressant but other studies have also reported its efficacy in reducing problematic alcohol and drug use. This review explores the preclinical and clinical research into ketamine's ability to treat addiction. Despite methodological limitations and the relative infancy of the field, results thus far are promising...
January 12, 2018: Neuropharmacology
https://www.readbyqxmd.com/read/29313138/do-psychoactive-drugs-have-a-therapeutic-role-in-compulsivity-studies-on-schedule-induced-polydipsia
#12
Elena Martín-González, Ángeles Prados-Pardo, Santiago Mora, Pilar Flores, Margarita Moreno
RATIONALE: Clinical studies have shown that some psychoactive recreational drugs have therapeutic applications in anxiety, depression, and schizophrenia. However, to date, there are few studies on the therapeutic potential efficacy of recreational drugs in compulsive neuropsychiatric disorders. OBJECTIVES: We explored the therapeutic potential of different psychoactive and psychedelic drugs in a preclinical model of compulsive behavior. METHODS: Outbred male Wistar rats were selected as either high (HD) or low (LD) drinkers according to their behavior in schedule-induced polydipsia (SIP)...
February 2018: Psychopharmacology
https://www.readbyqxmd.com/read/29299518/an-updated-review-of-pediatric-drug-induced-sleep-endoscopy
#13
REVIEW
Lyndy J Wilcox, Mathieu Bergeron, Saranya Reghunathan, Stacey L Ishman
Objectives: Drug-induced sleep endoscopy (DISE) involves assessment of the upper airway using a flexible endoscope while patients are in a pharmacologically-induced sleep-like state. The aim of this article is to review the current literature regarding the role of DISE in children with obstructive sleep apnea (OSA). The indications, typical anesthetic protocol, comparison to other diagnostic modalities, scoring systems, and outcomes are discussed. Methods: A comprehensive review of literature regarding pediatric DISE up through May 2017 was performed...
December 2017: Laryngoscope Investigative Otolaryngology
https://www.readbyqxmd.com/read/29280291/separation-of-enantiomers-of-new-psychoactive-substances-by-high-performance-liquid-chromatography
#14
Kian Kadkhodaei, Lisa Forcher, Martin G Schmid
New psychoactive substances are defined as compounds with consciousness-changing effects and have been developed simultaneously with classical drugs. They arise through structural modifications of illegal substances and are mainly produced to circumvent laws. Availability is simple, since new psychoactive substances can be purchased from the Internet. Among them many chemical drug compound classes are chiral and thus the two resulting enantiomers can differ in their effects. The aim of this study is to develop a suitable chiral high-performance liquid chromatography separation method for a broad spectrum of new psychoactive substances using cellulose tris(3,5-dichlorophenylcarbamate) as a chiral selector...
March 2018: Journal of Separation Science
https://www.readbyqxmd.com/read/29261225/in-vitro-validation-of-mirna-mediated-gene-expression-linked-to-drug-metabolism
#15
Botros B Shenoda, Sujay Ramanathan, Seena K Ajit
Pharmacogenomic approaches used to investigate how genes affect drug responses are critical for designing personalized therapies aimed at maximizing efficacy and minimizing adverse effects. Drug efficacy is often dependent on the sequence and expression levels of drug target genes or those involved in the metabolism and transport of the therapeutic agent. Expression of these genes, in turn, is negatively regulated by small noncoding miRNAs. The levels of miRNAs in bodily fluids have been studied extensively as potential diagnostic and prognostic biomarkers...
December 20, 2017: Current Protocols in Pharmacology
https://www.readbyqxmd.com/read/29247851/the-involvement-of-the-endocannabinoid-system-in-the-peripheral-antinociceptive-action-of-ketamine
#16
Renata C M Ferreira, Marina G M Castor, Fabiana Piscitelli, Vincenzo Di Marzo, Igor D G Duarte, Thiago R L Romero
Ketamine has been widely used as an analgesic and produces dissociative anesthetic effects. The antinociceptive effects of ketamine have been studied, but the involvement of endocannabinoids in these effects has not yet been investigated. In this study, we evaluated the involvement of the endocannabinoid system in the peripheral antinociceptive effects induced by ketamine. All drugs were administered via the intraplantar route. To induce hyperalgesia, rat paws were injected with prostaglandin E2 (2 µg per paw)...
December 13, 2017: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/29191019/affinity-of-ketamine-to-clinically-relevant-transporters
#17
Markus Keiser, Mahmoud Hasan, Stefan Oswald
Ketamine is a widely used intravenous anesthetic drug that has also a pronounced analgesic effect. Moreover, one of its metabolites was very recently shown to possess antidepressant activity. Consequently, oral administration of ketamine may become of interest in the future. There is evidence from in vitro data, drug-drug interactions, and the physicochemical properties of the drug that ketamine may be a substrate of drug transporters. Thus, it was the aim of this study to investigate the affinity of ketamine to clinically relevant transporter proteins that are expected to affect its intestinal absorption, distribution, and excretion...
January 2, 2018: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/29167877/utility-of-imaging-based-biomarkers-for-glutamate-targeted-drug-development-in-psychotic-disorders-a-randomized-clinical-trial
#18
Daniel C Javitt, Cameron S Carter, John H Krystal, Joshua T Kantrowitz, Ragy R Girgis, Lawrence S Kegeles, John D Ragland, Richard J Maddock, Tyler A Lesh, Costin Tanase, Philip R Corlett, Douglas L Rothman, Graeme Mason, Maolin Qiu, James Robinson, William Z Potter, Marlene Carlson, Melanie M Wall, Tse-Hwei Choo, Jack Grinband, Jeffrey A Lieberman
Importance: Despite strong theoretical rationale and preclinical evidence, several glutamate-targeted treatments for schizophrenia have failed in recent pivotal trials, prompting questions as to target validity, compound inadequacy, or lack of target engagement. A key limitation for glutamate-based treatment development is the lack of functional target-engagement biomarkers for translation between preclinical and early-stage clinical studies. We evaluated the utility of 3 potential biomarkers-ketamine-evoked changes in the functional magnetic imaging (fMRI) blood oxygen level-dependent response (pharmacoBOLD), glutamate proton magnetic resonance spectroscopy (1H MRS), and task-based fMRI-for detecting ketamine-related alterations in brain glutamate...
January 1, 2018: JAMA Psychiatry
https://www.readbyqxmd.com/read/29146197/illicit-drug-ketamine-induces-adverse-effects-from-behavioral-alterations-and-oxidative-stress-to-p53-regulated-apoptosis-in-medaka-fish-under-environmentally-relevant-exposures
#19
Pei-Han Liao, Wen-Kai Yang, Ching-Hsin Yang, Chun-Hon Lin, Chin-Chu Hwang, Pei-Jen Chen
With increasing problems of drug abuse worldwide, aquatic ecosystems are contaminated by human pharmaceuticals from the discharge of hospital or municipal effluent. However, ecotoxicity data and related toxic mechanism for neuroactive controlled or illicit drugs are still lacking, so assessing the associated hazardous risk is difficult. This study aims to investigate the behavioral changes, oxidative stress, gene expression and neurotoxic or apoptosis effect(s) in larvae of medaka fish (Oryzias latipes) with environmentally relevant exposures of ketamine (KET) solutions for 1-14 days...
November 13, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/29135596/general-anesthetics-to-treat-major-depressive-disorder-clinical-relevance-and-underlying-mechanisms
#20
REVIEW
Laszlo Vutskits
Major depressive disorder is a frequent and devastating psychological condition with tremendous public health impact. The underlying pathophysiological mechanisms involve abnormal neurotransmission and a relatedly impaired synaptic plasticity. Since general anesthetics are potent modulators of neuronal activity and, thereby, can exert long-term context-dependent impact on neural networks, an intriguing hypothesis is that these drugs could enhance impaired neural plasticity associated with certain psychiatric diseases...
January 2018: Anesthesia and Analgesia
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