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https://www.readbyqxmd.com/read/29331500/peripheral-modulation-of-the-endocannabinoid-system-in-metabolic-disease
#1
REVIEW
Nirajan Shrestha, James S M Cuffe, Dana S Hutchinson, John P Headrick, Anthony V Perkins, Andrew J McAinch, Deanne H Hryciw
Dysfunction of the endocannabinoid system (ECS) has been identified in metabolic disease. Cannabinoid receptor 1 (CB1) is abundantly expressed in the brain but also expressed in the periphery. Cannabinoid receptor 2 (CB2) is more abundant in the periphery, including the immune cells. In obesity, global antagonism of overexpressed CB1 reduces bodyweight but leads to centrally mediated adverse psychological outcomes. Emerging research in isolated cultured cells or tissues has demonstrated that targeting the endocannabinoid system in the periphery alleviates the pathologies associated with metabolic disease...
January 10, 2018: Drug Discovery Today
https://www.readbyqxmd.com/read/29330776/second-hand-exposure-of-staff-administering-vaporised-cannabinoid-products-to-patients-in-a-hospital-setting
#2
Nadia Solowij, Peter Galettis, Samantha J Broyd, Peter de Krey, Jennifer H Martin
BACKGROUND: In many health settings, administration of medicinal cannabis poses significant implementation barriers including drug storage and safety for administering staff and surrounding patients. Different modes of administration also provide different yet potentially significant issues. One route that has become of clinical interest owing to the rapid onset of action and patient control of the inhaled amount (via breath timing and depth) is that of vaporisation of cannabinoid products...
January 12, 2018: Drugs in R&D
https://www.readbyqxmd.com/read/29329891/medical-use-of-cannabis-and-cannabinoids-containing-products-regulations-in-europe-and-north-america
#3
REVIEW
Ran Abuhasira, Liat Shbiro, Yuval Landschaft
In 1937, the United States of America criminalized the use of cannabis and as a result its use decreased rapidly. In recent decades, there is a growing interest in the wide range of medical uses of cannabis and its constituents; however, the laws and regulations are substantially different between countries. Laws differentiate between raw herbal cannabis, cannabis extracts, and cannabinoid-based medicines. Both the European Medicines Agency (EMA) and the United States Food and Drug Administration (FDA) do not approve the use of herbal cannabis or its extracts...
January 10, 2018: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/29329388/a-series-of-deaths-involving-carfentanil-in-the-uk-and-associated-post-mortem-blood-concentrations
#4
Simon P Elliott, Elena Hernandez Lopez
The potent opioid and veterinary drug, carfentanil has recently entered the illicit drug market, especially in relation to heroin and cocaine. Recent publications have reported carfentanil concentrations found in fatalities occurring in the USA. This article presents the toxicological findings in seven heroin/cocaine cases occurring in the UK within a short period of time where carfentanil was detected and measured. Carfentanil was detected along with other drugs in all cases with no alcohol detected in the post-mortem blood in any of the cases...
January 10, 2018: Journal of Analytical Toxicology
https://www.readbyqxmd.com/read/29329382/adolescent-synthetic-cannabinoid-exposure-produces-enduring-changes-in-dopamine-neuron-activity-in-a-rodent-model-of-schizophrenia-susceptibility
#5
David D Aguilar, Andrea Giuffrida, Daniel J Lodge
Background: Epidemiological studies recognize cannabis intake as a risk factor for schizophrenia, yet the majority of adolescents who use marijuana do not develop psychosis. Similarly, the abuse of synthetic cannabinoids poses a risk for psychosis. For these reasons, it is imperative to understand the effects of adolescent cannabinoid exposure in susceptible individuals. Method: We have recently developed a novel rodent model of schizophrenia susceptibility, the F2 MAM rat, where only a proportion (~40%) of rats display a schizophrenia-like phenotype...
January 10, 2018: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29329043/impact-of-synthetic-cannabinoid-use-on-hospital-stay-in-patients-with-bipolar-disorder-versus-schizophrenia-or-other-psychotic-disorders
#6
Huiqiong Deng, Satyajit Mohite, Robert Suchting, David A Nielsen, Olaoluwa O Okusaga
Synthetic cannabinoid products have become popular and have led to an increased number of patients presenting to emergency departments and psychiatric hospitals. The purpose of this study was to evaluate the impact of synthetic cannabinoid use at admission on length of stay and doses of antipsychotics at discharge in individuals with bipolar disorder, schizophrenia and other psychotic disorders. We retrospectively examined medical records of 324 inpatients admitted from January 2014 to July 2015. We found that synthetic cannabinoid use predicted length of stay and antipsychotic dose using structural equation modeling...
January 3, 2018: Psychiatry Research
https://www.readbyqxmd.com/read/29328379/mir%C3%A2-1273g%C3%A2-3p-promotes-proliferation-migration-and-invasion-of-lovo-cells-via-cannabinoid-receptor-1-through-activation-of-erbb4-pik3r3-mtor-s6k2-signaling-pathway
#7
Min Li, Xiaoping Qian, Mingzhen Zhu, Aiyi Li, Mingzhi Fang, Yong Zhu, Jingyu Zhang
MicroRNAs (miR) are important in various crucial cell processes including proliferation, migration and invasion. Dysregulation of miRNAs have been increasingly reported to contribute to colorectal cancer. However, the detailed biological function and potential mechanisms of miR‑1273g‑3p in colorectal cancer remain poorly understood. The expression levels of miR‑1273g‑3p in human colorectal cancer LoVo cell lines were detected via reverse transcription‑quantitative polymerase chain reaction (RT‑qPCR)...
January 9, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29327809/the-prevalence-of-cannabinoid-hyperemesis-syndrome-among-regular-marijuana-smokers-in-an-urban-public-hospital
#8
Joseph Habboushe, Ada Rubin, Haoming Liu, Robert S Hoffman
Epidemiological data, including prevalence, for cannabinoid hyperemesis syndrome (CHS) remain largely unknown. Without these data, clinicians often describe CHS as "rare" or "very rare" without supporting information. We seek to estimate the prevalence of CHS in a population of patients presenting to a socioeconomically and racially diverse urban Emergency Department of a public hospital. This study consisted of a questionnaire administered to a convenience sample of patients presenting to the ED of the oldest public hospital in the United States...
January 12, 2018: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29325907/corrigendum-to-cannabinoid-cb1-receptor-inverse-agonist-mj08-stimulates-glucose-production-via-hepatic-sympathetic-innervation-in-rats-european-journal-of-pharmacology-814-2017-232-239
#9
Wei Chen, Hongying Liu, Hua Guan, Nina Xue, Lili Wang
No abstract text is available yet for this article.
January 15, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29325791/the-therapeutic-effects-of-cannabis-and-cannabinoids-an-update-from-the-national-academies-of-sciences-engineering-and-medicine-report
#10
REVIEW
Donald I Abrams
The National Academies of Sciences, Engineering and Medicine conducted a rapid turn-around comprehensive review of recent medical literature on The Health Effects of Cannabis and Cannabinoids. The 16-member committee adopted the key features of a systematic review process, conducting an extensive search of relevant databases and considered 10,000 recent abstracts to determine their relevance. Primacy was given to recently published systematic reviews and primary research that studied one of the committee's 11 prioritized health endpoints- therapeutic effects; cancer incidence; cardiometabolic risk; respiratory disease; immune function; injury and death; prenatal, perinatal and postnatal outcomes; psychosocial outcomes; mental health; problem Cannabis use; and Cannabis use and abuse of other substances...
January 8, 2018: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/29325757/the-role-of-fatty-acids-and-their-endocannabinoid-like-derivatives-in-the-molecular-regulation-of-appetite
#11
REVIEW
Renger F Witkamp
Intake, absorption and synthesis of fatty acids, including those produced by the intestinal microbiota are tightly monitored via specific receptors and, indirectly through their conversion into a variety of signalling molecules. The resulting information is integrated and translated to different physiological processes, including the regulation of appetite and satiation. Direct chemosensing of fatty acids takes place via interaction with free fatty acid (FFA) and other receptors. These are present in the oronasal cavity and along the entire gastrointestinal tract, in various other tissues, and, for some receptors also in brain...
January 8, 2018: Molecular Aspects of Medicine
https://www.readbyqxmd.com/read/29325278/-effect-of-cannabinoid-receptor-2-agonist-am1241-on-platelet-derived-growth-factor-expression-in-the-liver-tissue-of-mice-with-hepatic-fibrosis
#12
P He, Y F Wu, H Y Yang, M L Cheng, Y D Liang, Y P Wang
Objective: To investigate the effect of cannabinoid receptor-2 (CB2) agonist AM1241 on the mRNA and protein expression of platelet-derived growth factor (PDGF) and collagen-III (Col-III) in the liver tissue of mice with experimental liver fibrosis induced by carbon tetrachloride (CCl(4)). Methods: Totally 38 8-week-old male C57BL/6J mice were randomly divided into control group, model group, 3 mg/kg CB2 receptor agonist (AM1241) group, and 9 mg/kg AM1241 group. All mice, except for the control group, were treated with 30% CCl(4) (three times a week, 5 ml/kg body weight, 16 weeks) to establish a liver fibrosis model...
November 20, 2017: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/29325182/-cannabis-in-parkinson-s-disease-hype-or-help
#13
Tina Mainka, Jan Stork, Ute Hidding, Carsten Buhmann
Cannabis buds and extracts as well as synthetic cannabinoids have been available on prescription to patients with severe diseases since March 2017, with the costs covered by health insurance companies.The prescription of medical marihuana is not restricted to specific symptoms and is therefore also valid for patients with Parkinson's disease. From a legal perspective, patients who are seriously ill even have the right to be treated with cannabis if standard treatment methods are unsuccessful or result in unbearable side effects...
January 11, 2018: Fortschritte der Neurologie-Psychiatrie
https://www.readbyqxmd.com/read/29320384/cannabinoid-hyperemesis-syndrome-and-the-consulting-psychiatrist-a-case-study-of-diagnosis-and-treatment-for-an-emerging-disorder-in-psychiatric-practice
#14
Kristopher A Kast, Liliya Gershengoren
The increasing prevalence of cannabis use in the United States requires awareness of cannabis-related disorders and familiarity with treatment options. We present a case of cannabinoid hyperemesis syndrome that required psychiatric consultation for diagnostic clarification and effective treatment with intravenous haloperidol. Literature from emergency medicine, toxicology, and gastroenterology is reviewed, including proposed diagnostic criteria for cannabinoid hyperemesis syndrome and reported off-label treatment options, with a specific focus on clinical questions facing the practicing psychiatrist regarding this emerging disorder...
January 2018: Journal of Psychiatric Practice
https://www.readbyqxmd.com/read/29317112/cannabinoid-disposition-after-human-intraperitoneal-use-an-insight-into-intraperitoneal-pharmacokinetic-properties-in-metastatic-cancer
#15
Catherine J Lucas, Peter Galettis, Shuzhen Song, Nadia Solowij, Stephanie E Reuter, Jennifer Schneider, Jennifer H Martin
BACKGROUND: Medicinal cannabis is prescribed under the provision of a controlled drug in the Australian Poisons Standard. However, multiple laws must be navigated in order for patients to obtain access and imported products can be expensive. Dose-response information for both efficacy and toxicity pertaining to medicinal cannabis is lacking. The pharmacokinetic properties of cannabis administered by traditional routes has been described but to date, there is no literature on the pharmacokinetic properties of an intraperitoneal cannabinoid emulsion...
January 6, 2018: Clinical Therapeutics
https://www.readbyqxmd.com/read/29317072/betacaryophyllene-a-phytocannabinoid-as-potential-therapeutic-modality-for-human-sepsis
#16
Angel Meza, Christian Lehmann
Sepsis is a clinical condition resulting from a dysregulated immune response to an infection that leads to organ dysfunction. Despite numerous efforts to optimize treatment, sepsis remains to be the main cause of death in most intensive care units. The endogenous cannabinoid system (ECS) plays an important role in inflammation. Cannabinoid receptor 2 (CB2R) activation is immunosuppressive, which might be beneficial during the hyper-inflammatory phase of sepsis. Beta-caryophyllene (BCP) is a non-psychoactive natural cannabinoid (phytocannabinoid) found in Cannabis sativa and in essential oils of spices and food plants, that acts as a selective agonist of CB2R...
January 2018: Medical Hypotheses
https://www.readbyqxmd.com/read/29314831/a-fluorescent-probe-to-unravel-functional-features-of-cannabinoid-receptor-cb1-in-human-blood-and-tonsil-immune-system-cells
#17
Mar Martín-Fontecha, Alba Angelina, Beate Rückert, Ainoa Rueda-Zubiaurre, Leticia Martin-Cruz, Willem van de Veen, Mübeccel Akdis, Silvia Ortega-Gutierrez, María L López-Rodrí Guez, Cezmi Akdis, Oscar Palomares
The human endogenous cannabinoid system (ECS) regulates key physiological processes and alterations in its signalling pathways and endocannabinoid levels are associated to diseases such as neurological and neuropsychiatric conditions, cancer, pain and inflammation, obesity, metabolic and different immune related disorders. Immune system cells express the G-protein coupled cannabinoid receptor 1 (CB1) but its functional role has not been fully understood, likely due to the lack of appropriate tools. The availability of novel tools to investigate the role of CB1 in immune regulation might contribute to identify CB1 as a potential novel therapeutic target or biomarker for many diseases...
January 9, 2018: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/29314750/phase-i-metabolism-of-the-recently-emerged-synthetic-cannabinoid-cumyl-pegaclone-and-detection-in-human-urine-samples
#18
Lukas Mogler, Maurice Wilde, Laura M Huppertz, Georg Weinfurtner, Florian Franz, Volker Auwärter
Indole, indazole or azaindole based synthetic cannabinoids (SCs), bearing a cumyl substituent are a widespread, recreationally used subgroup of new psychoactive substances (NPS). The latest cumyl-derivative, CUMYL-PEGACLONE, emerged in December 2016 on the German drug market. The substance features a novel γ-carboline core structure, which is most likely synthesized to bypass generic legislative approaches to control SCs by prohibiting distinct core structures. Using liquid chromatography tandem mass spectrometry and liquid chromatography high resolution mass spectrometry techniques, the main in vivo phase I metabolites of this new substance were detected...
January 3, 2018: Drug Testing and Analysis
https://www.readbyqxmd.com/read/29314474/multiple-binding-sites-contribute-to-the-mechanism-of-the-2-phenylindole-mixed-orthosteric-agonistic-and-pam-action-on-the-cannabinoid-cb1-receptor
#19
Noureldin Saleh, Oliver Hucke, Florian Montel, Gert Kramer, Boris Ferger, Esther Schmidt, Timothy Clark, Peter Hildebrand, Christofer Tautermann, Radoslaw Lipinski
The cannabinoid CB1 receptor (CB1R) is an abundant metabotropic G-protein coupled receptor that has been difficult to address therapeutically because of CNS side effects exerted by orthosteric ligands. Recent efforts have focused on developing allosteric modulators that target CB1R. Compounds from a recently discovered of 2-phenylindoles mixed agonist and positive allosteric modulators (Ago-PAMs), have shown promising properties for CB1R. Here, we identify binding modes of both the CP 55,940 agonist and GAT228 a 2-phenylindole allosteric modulator using a metadynamics simulation, and quantify their affinity and cooperativity...
January 3, 2018: Angewandte Chemie
https://www.readbyqxmd.com/read/29313218/thallium-induced-toxicity-in-rat-brain-crude-synaptosomal-mitochondrial-fractions-is-sensitive-to-anti-excitatory-and-antioxidant-agents
#20
Marisol Maya-López, María Verónica Mireles-García, Monserrat Ramírez-Toledo, Ana Laura Colín-González, Sonia Galván-Arzate, Isaac Túnez, Abel Santamaría
The mechanisms by which the heavy metal thallium (Tl+) produces toxicity in the brain remain unclear. Herein, isolated synaptosomal/mitochondrial P2 crude fractions from adult rat brains were exposed to Tl+ (5-250 μM) for 30 min. Three toxic endpoints were evaluated: mitochondrial dysfunction, lipid peroxidation, and Na+/K+-ATPase activity inhibition. Concentration-response curves for two of these endpoints revealed the optimum concentration of Tl+ to induce damage in this preparation, 5 μM. Toxic markers were also estimated in preconditioned synaptosomes incubated in the presence of the N-methyl-D-aspartate receptor antagonist kynurenic acid (KYNA, 50 μM), the cannabinoid receptor agonist WIN 55,212-2 (1 μM), or the antioxidant S-allyl-L-cysteine (SAC, 100 μM)...
January 8, 2018: Neurotoxicity Research
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