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https://www.readbyqxmd.com/read/29132050/cannabinoid-hyperemesis-syndrome-review-of-the-literature-and-of-cases-reported-to-the-french-addictovigilance-network
#1
REVIEW
Benoît Schreck, Nicolas Wagneur, Pascal Caillet, Marie Gérardin, Jennyfer Cholet, Michel Spadari, Nicolas Authier, Juliana Tournebize, Marion Gaillard, Anais Serre, Louise Carton, Stéphanie Pain, Pascale Jolliet, Caroline Victorri-Vigneau
BACKGROUND: Cannabinoid hyperemesis syndrome is a variant of cyclical vomiting syndrome in a context of chronic cannabis usage. Our aim was to compare French cases to those identified in the international literature in order to further our knowledge of the clinical criteria, pathophysiology and treatments for cannabinoid hyperemesis syndrome. METHODS: We analysed cases reported in the international literature up to 30 June 2017, obtained from the MEDLINE, PsycINFO and The Cochrane Library databases; we selected relevant articles based on title and abstract...
November 7, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/29128806/emotional-disorders-induced-by-hemopressin-and-rvd-hemopressin-%C3%AE-administration-in-rats
#2
Sheila Leone, Lucia Recinella, Annalisa Chiavaroli, Sara Martinotti, Claudio Ferrante, Adriano Mollica, Giorgia Macedonio, Azzurra Stefanucci, Szabolcs Dvorácskó, Csaba Tömböly, Luciano De Petrocellis, Michele Vacca, Luigi Brunetti, Giustino Orlando
BACKGROUND: The endocannabinoid (eCB) system plays an important role in regulating emotional disorders, and is involved, directly or indirectly, in psychiatric diseases, such as anxiety and depression. Hemopressin, a hemoglobin α chain-derived peptide, and RVD-hemopressin(α), a N-terminally extended form of hemopressin, act as antagonist/inverse agonist and negative allosteric modulator of the cannabinoid 1 (CB1) receptor, respectively. METHODS: Considering the possible involvement of these peptides on emotional behaviour, the aim of our study was to investigate the behavioural effects of a single intraperitoneal (ip) injection of hemopressin (0...
June 23, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29121220/pathway-specific-control-of-striatal-neuron-vulnerability-by-corticostriatal-cannabinoid-cb1-receptors
#3
Andrea Ruiz-Calvo, Irene B Maroto, Raquel Bajo-Grañeras, Anna Chiarlone, Ángel Gaudioso, José J Ferrero, Eva Resel, José Sánchez-Prieto, José A Rodríguez-Navarro, Giovanni Marsicano, Ismael Galve-Roperh, Luigi Bellocchio, Manuel Guzmán
The vast majority of neurons within the striatum are GABAergic medium spiny neurons (MSNs), which receive glutamatergic input from the cortex and thalamus, and form two major efferent pathways: the direct pathway, expressing dopamine D1 receptor (D1R-MSNs), and the indirect pathway, expressing dopamine D2 receptor (D2R-MSNs). While molecular mechanisms of MSN degeneration have been identified in animal models of striatal damage, the molecular factors that dictate a selective vulnerability of D1R-MSNs or D2R-MSNs remain unknown...
October 31, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/29113897/long-lasting-effects-of-chronic-win55-212-2-treatment-on-mesostriatal-dopaminergic-and-cannabinoid-systems-in-the-rat-brain
#4
Panagiotis Perdikaris, Martha Tsarouchi, Eleni Fanarioti, Evangelos Natsaridis, Ada Mitsacos, Panagiotis Giompres
Cannabinoid administration modulates dopamine transmission via an indirect, multisynaptic mechanism that includes the activation of cannabinoid type-1 receptor (CB1R). The present study evaluated in rodents, the effects of acute and chronic (20 days) WIN55,212-2 administration, a non-selective CB1R agonist, on dopamine uptake and synthesis in the mesolimbic and nigrostriatal dopaminergic pathways and associate them to its effects on the endocannabinoid system. The effect of spontaneous withdrawal, after different abstinence periods (7 days, 20 days), was also assessed...
November 4, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/29109060/cannabinoid-1-receptor-neutral-antagonist-reduces-binge-like-alcohol-consumption-and-alcohol-induced-accumbal-dopaminergic-signaling
#5
Andrea Balla, Bin Dong, Borehalli M Shilpa, Kiran Vemuri, Alexandros Makriyannis, Subhash C Pandey, Henry Sershen, Raymond F Suckow, K Yaragudri Vinod
Binge alcohol (ethanol) drinking is associated with profound adverse effects on our health and society. Rimonabant (SR141716A), a CB1 receptor inverse agonist, was previously shown to be effective for nicotine cessation and obesity. However, studies using rimonabant were discontinued as it was associated with an increased risk of depression and anxiety. In the present study, we examined the pharmacokinetics and effects of AM4113, a novel CB1 receptor neutral antagonist on binge-like ethanol drinking in C57BL/6J mice using a two-bottle choice drinking-in-dark (DID) paradigm...
November 3, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/29098189/an-update-on-non-cb1-non-cb2-cannabinoid-related-g-protein-coupled-receptors
#6
REVIEW
Paula Morales, Patricia H Reggio
The endocannabinoid system (ECS) has been shown to be of great importance in the regulation of numerous physiological and pathological processes. To date, two Class A G-protein-coupled receptors (GPCRs) have been discovered and validated as the main therapeutic targets of this system: the cannabinoid receptor type 1 (CB1), which is the most abundant neuromodulatory receptor in the brain, and the cannabinoid receptor type 2 (CB2), predominantly found in the immune system among other organs and tissues. Endogenous cannabinoid receptor ligands (endocannabinoids) and the enzymes involved in their synthesis, cell uptake, and degradation have also been identified as part of the ECS...
2017: Cannabis and Cannabinoid Research
https://www.readbyqxmd.com/read/29097307/effect-fingerprinting-of-new-psychoactive-substances-nps-what-can-we-learn-from-in-vitro-data
#7
REVIEW
Laura Hondebrink, Anne Zwartsen, Remco H S Westerink
The use of new psychoactive substances (NPS) is increasing and currently >600 NPS have been reported. However, limited information on neuropharmacological and toxicological effects of NPS is available, hampering risk characterization. We reviewed the literature on the in vitro neuronal modes of action to obtain effect fingerprints of different classes of illicit drugs and NPS. The most frequently reported NPS were selected for review: cathinones (MDPV, α-PVP, mephedrone, 4-MEC, pentedrone, methylone), cannabinoids (JWH-018), (hallucinogenic) phenethylamines (4-fluoroamphetamine, benzofurans (5-APB, 6-APB), 2C-B, NBOMes (25B-NBOMe, 25C-NBOMe, 25I-NBOMe)), arylcyclohexylamines (methoxetamine) and piperazine derivatives (mCCP, TFMPP, BZP)...
October 30, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29082315/n-arachidonoyl-dopamine-a-novel-endocannabinoid-and-endovanilloid-with-widespread-physiological-and-pharmacological-activities
#8
REVIEW
Urszula Grabiec, Faramarz Dehghani
N-arachidonoyl dopamine (NADA) is a member of the family of endocannabinoids to which several other N-acyldopamines belong as well. Their activity is mediated through various targets that include cannabinoid receptors or transient receptor potential vanilloid (TRPV)1. Synthesis and degradation of NADA are not yet fully understood. Nonetheless, there is evidence that NADA plays an important role in nociception and inflammation in the central and peripheral nervous system. The TRPV1 receptor, for which NADA is a potent agonist, was shown to be an endogenous transducer of noxious heat...
2017: Cannabis and Cannabinoid Research
https://www.readbyqxmd.com/read/29065845/identification-of-electrophysiological-changes-in-alzheimer-s-disease-a-microarray-based-transcriptomics-and-molecular-pathway-analysis-study
#9
Zeenat Mirza, Nisreen Rajeh
Involvement of amyloid beta and tau proteins in pathogenesis of Alzheimer's disease (AD) has been studied extensively. However, electrophysiological activity, and cellular processes like membrane transport are mostly unstudied. Electrophysiological processes provide a bridge between brain activity and cognition, and show promise as translatable biomarkers in preclinical and clinical applications. Biochemical imbalance leads to change in glutamate-based neurotransmission, antioxidant capacity, and in membrane polarization-repolarization events, eventually, resulting in AD...
October 23, 2017: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/29063964/phytocannabinoids-modulate-emotional-memory-processing-through-interactions-with-the-ventral-hippocampus-and-mesolimbic-dopamine-system-implications-for-neuropsychiatric-pathology
#10
REVIEW
Roger Hudson, Walter Rushlow, Steven R Laviolette
Growing clinical and preclinical evidence suggests a potential role for the phytocannabinoid cannabidiol (CBD) as a pharmacotherapy for various neuropsychiatric disorders. In contrast, delta-9-tetrahydrocannabinol (THC), the primary psychoactive component in cannabis, is associated with acute and neurodevelopmental propsychotic side effects through its interaction with central cannabinoid type 1 receptors (CB1Rs). CB1R stimulation in the ventral hippocampus (VHipp) potentiates affective memory formation through inputs to the mesolimbic dopamine (DA) system, thereby altering emotional salience attribution...
October 24, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/29038246/cb1-dependent-long-term-depression-in-ventral-tegmental-area-gaba-neurons-a-novel-target-for-marijuana
#11
Lindsey Friend, Jared Weed, Philip Sandoval, Teresa Nufer, Isaac Ostlund, Jeffrey G Edwards
The ventral tegmental area (VTA) is necessary for reward behavior with dopamine cells critically involved in reward signaling. Dopamine cells in turn are innervated and regulated by neighboring inhibitory GABA cells. Using whole cell electrophysiology in juvenile-adolescent GAD67-GFP male mice we examined excitatory plasticity in fluorescent VTA GABA cells. A novel CB1-dependent long-term depression (LTD) was induced in GABA cells that was dependent on metabotropic glutamate receptor 5, and cannabinoid receptor 1 (CB1)...
October 16, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28978206/overview-of-chemotherapy-induced-nausea-and-vomiting-and-evidence-based-therapies
#12
Nelly Adel
Among patients with cancer, chemotherapy-induced nausea and vomiting (CINV) is a common adverse effect that not only impacts quality of life, but also treatment outcomes. It is important to address these issues from both prevention and treatment standpoints so that patients remain adherent to their regimens. With CINV being classified into 5 different types, the primary medication options for prevention and treatment include 5-HT3 receptor antagonists, NK1 receptor antagonists, and corticosteroids. Other medications used, but to a lesser extent, include dopamine antagonists, benzodiazepines, cannabinoids, and olanzapine...
September 2017: American Journal of Managed Care
https://www.readbyqxmd.com/read/28978077/am1241-alleviates-mptp-induced-parkinson-s-disease-and-promotes-the-regeneration-of-da-neurons-in-pd-mice
#13
Jun Shi, Qiong Cai, Jingxing Zhang, Xiaolie He, Yigang Liu, Rongrong Zhu, Lingjing Jin
The main pathological feature of Parkinson's disease (PD) is the loss of dopaminergic neurons in the substantia nigra. In this study, we investigated the role of cannabinoid receptor 2 (CB2R) agonist AM1241 on 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-induced neurotoxicity in a mouse model of PD. Upon treatment with AM1241, the decreased CB2R level in the PD mouse brain was reversed and the behavior score markedly elevated, accompanied with a dose-dependent increase of dopamine and serotonin. In addition, western blot assay and immunostaining results suggested that AM1241 significantly activated PI3K/Akt/MEK phosphorylation and increased the expression of Parkin and PINK1, both in the substantia nigra and hippocampus...
September 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28935562/n-2-methoxyphenyl-benzenesulfonamide-a-novel-regulator-of-neuronal-g-protein-gated-inward-rectifier-k-channels
#14
Kenneth B Walsh, Elaine A Gay, Bruce E Blough, David W Geurkink
G protein-gated inward rectifier K(+) (GIRK) channels are members of the super-family of proteins known as inward rectifier K(+) (Kir) channels and are expressed throughout the peripheral and central nervous systems. Neuronal GIRK channels are the downstream targets of a number of neuromodulators including opioids, somatostatin, dopamine and cannabinoids. Previous studies have demonstrated that the ATP-sensitive K(+) channel, another member of the Kir channel family, is regulated by sulfonamide drugs. Therefore, to determine if sulfonamides also modulate GIRK channels, we screened a library of arylsulfonamide compounds using a GIRK channel fluorescent assay that utilized pituitary AtT20 cells expressing GIRK channels along with the somatostatin type-2 and -5 receptors...
November 15, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28933969/psychopharmacological-advances-in-eating-disorders
#15
Hubertus Himmerich, Janet Treasure
Anorexia nervosa (AN), bulimia nervosa (BN) and binge eating disorder (BED) are the primary eating disorders (EDs). The only psychopharmacological treatment options for EDs with approval in some countries include fluoxetine for BN and lisdexamfetamine for BED. Given the high comorbidity and genetic correlations with other psychiatric disorders, it seems possible that novel medications for these conditions might also be effective in EDs. Areas Covered: The current scientific literature has increased our understanding of how medication could be beneficial for patients with EDs on a molecular, functional and behavioral level...
September 21, 2017: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/28925883/novel-therapeutics-in-glaucoma-management
#16
Claudio Bucolo, Chiara Bianca Maria Platania, Filippo Drago, Michele Reibaldi, Vincenza Bonfiglio, Teresio Avitabile, Maurizio Uva
Glaucoma is a progressive optic neuropathy characterized by retinal ganglion cell death and alterations of visual field. Elevated intraocular pressure (IOP) is considered the main risk factor of glaucoma, even though other factors cannot be ruled out, such as epigenetic mechanisms. An overview of the ultimate promising experimental drugs to manage glaucoma has been provided. In particular, we have focused on purinergic ligands, KATP channel activators, gases (nitric oxide, carbon monoxide and hydrogen sulfide), non-glucocorticoid steroidal compounds, neurotrophic factors, PI3K/Akt activators, citicoline, histone deacetylase inhibitors, cannabinoids, dopamine and serotonin receptors ligands, small interference RNA, and Rho kinase inhibitors...
September 15, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28912087/endocannabinoid-mechanism-in-amphetamine-type-stimulant-use-disorders-a-short-review
#17
REVIEW
Hang Su, Min Zhao
Recent evidence shows that the endocannabinoid system is involved in amphetamine-type stimulants (ATS) use disorders. To elucidate the role of the endocannabinoid system in ATS addiction, we reviewed results of studies using cannabinoid receptor agonists, antagonists as well as knockout model. The endocannabinoid system seems to play a role in reinstatement and relapse of ATS addiction and ATS-induced psychiatric symptoms. The molecular mechanisms of this system remains unclear, the association with dopamine system in nucleus accumbens is most likely involved...
December 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28861502/cannabinoids-in-parkinson-s-disease
#18
REVIEW
Mario Stampanoni Bassi, Andrea Sancesario, Roberta Morace, Diego Centonze, Ennio Iezzi
The endocannabinoid system plays a regulatory role in a number of physiological processes and has been found altered in different pathological conditions, including movement disorders. The interactions between cannabinoids and dopamine in the basal ganglia are remarkably complex and involve both the modulation of other neurotransmitters (γ-aminobutyric acid, glutamate, opioids, peptides) and the activation of different receptors subtypes (cannabinoid receptor type 1 and 2). In the last years, experimental studies contributed to enrich this scenario reporting interactions between cannabinoids and other receptor systems (transient receptor potential vanilloid type 1 cation channel, adenosine receptors, 5-hydroxytryptamine receptors)...
2017: Cannabis and Cannabinoid Research
https://www.readbyqxmd.com/read/28861501/palmitoylethanolamide-modulates-gpr55-receptor-signaling-in-the-ventral-hippocampus-to-regulate-mesolimbic-dopamine-activity-social-interaction-and-memory-processing
#19
Cecilia Kramar, Michael Loureiro, Justine Renard, Steven R Laviolette
Introduction: The GPR55 receptor has been identified as an atypical cannabinoid receptor and is implicated in various physiological processes. However, its functional role in the central nervous system is not currently understood. The presence of GPR55 receptor in neural regions such as the ventral hippocampus (vHipp), which is critical for cognition, recognition memory, and affective processing, led us to hypothesize that intra-vHipp GPR55 transmission may modulate mesolimbic activity states and related behavioral phenomena...
2017: Cannabis and Cannabinoid Research
https://www.readbyqxmd.com/read/28826532/endocannabinoid-analytical-methodologies-techniques-that-drive-discoveries-that-drive-techniques
#20
Fabiana Piscitelli, Heather B Bradshaw
Identification of the two major endogenous cannabinoid ligands, known as endocannabinoids, N-arachidonoyl-ethanolamine (anandamide, AEA) and 2-arachidonoyl-glycerol (2-AG), opened the way for the identification and isolation of other lipid congeners, all derivatives of fatty acids and related to the Endocannabinoid System. The nomenclature of this anandamide-type class of lipids is evolving as new species are discovered all the time. However, they each fall under the larger umbrella of lipids that are a conjugation of a fatty acid with an amine through and amide bond, which we will refer to as lipoamines...
2017: Advances in Pharmacology
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