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https://www.readbyqxmd.com/read/28821005/anticonvulsant-effect-of-cannabidiol-in-the-pentylenetetrazole-model-pharmacological-mechanisms-electroencephalographic-profile-and-brain-cytokine-levels
#1
Luciano R Vilela, Isabel V Lima, Érica B Kunsch, Hyorrana Priscila P Pinto, Aline S de Miranda, Érica Leandro M Vieira, Antônio Carlos P de Oliveira, Marcio Flávio D Moraes, Antônio L Teixeira, Fabricio A Moreira
Cannabidiol (CBD), the main nonpsychotomimetic compound from Cannabis sativa, inhibits experimental seizures in animal models and alleviates certain types of intractable epilepsies in patients. Its pharmacological profile, however, is still uncertain. Here we tested the hypothesis that CBD anticonvulsant mechanisms are prevented by cannabinoid (CB1 and CB2) and vanilloid (TRPV1) receptor blockers. We also investigated its effects on electroencephalographic (EEG) activity and hippocampal cytokines in the pentylenetetrazole (PTZ) model...
August 15, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28818702/the-effects-of-cannabinoid-receptors-activation-and-glucocorticoid-receptors-deactivation-in-the-amygdala-and-hippocampus-on-the-consolidation-of-a-traumatic-event
#2
Noa Shoshan, Irit Akirav
Ample evidence demonstrates that fear learning contributes significantly to many anxiety pathologies including post-traumatic stress disorder (PTSD). The endocannabinoid (eCB) system may offer therapeutic benefits for PTSD and it is a modulator of the hypothalamic pituitary adrenal (HPA) axis. Here we compared the separated and combined effects of blocking glucocorticoid receptors (GRs) using the GR antagonist RU486 and enhancing CB1r signaling using the CB1/2 receptor agonist WIN55,212-2 in the CA1 and basolateral amygdala (BLA) on the consolidation of traumatic memory...
August 14, 2017: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/28818631/topical-medical-cannabis-tmc-a-new-treatment-for-wound-pain-three-cases-of-pyoderma-gangrenosum
#3
Vincent Maida, Jason Corban
Pain associated with integumentary wounds is highly prevalent yet it remains an area of significant unmet need within healthcare. Currently, systemically administered opioids are the mainstay of treatment. However, recent publications are casting opioids in a negative light given their high side effect profile, inhibition of wound healing, and association with accidental overdose, incidents that are frequently fatal. Thus, novel analgesic strategies for wound-related pain need to be investigated. The ideal methods of pain relief for wound patients are modalities that are topical, lack systemic side effects, non-invasive, self-administered, and display rapid onset of analgesia...
August 14, 2017: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/28817987/targeting-cannabinoid-receptors-in-gastrointestinal-cancers-for-therapeutic-uses-current-status-and-future-perspectives
#4
Ester Pagano, Francesca Borrelli
No abstract text is available yet for this article.
August 18, 2017: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28815938/optimization-of-recombinant-%C3%AE-glucuronidase-hydrolysis-and-quantification-of-eight-urinary-cannabinoids-and-metabolites-by-liquid-chromatography-tandem-mass-spectrometry
#5
Cristina Sempio, Karl B Scheidweiler, Allan J Barnes, Marilyn A Huestis
Prolonged urinary cannabinoid excretion in chronic frequent cannabis users confounds identification of recent cannabis intake that may be important in treatment, workplace, clinical, and forensic testing programs. In addition, differentiation of synthetic Δ9-tetrahydrocannabinol (THC) intake from cannabis plant products might be an important interpretive issue. THC, 11-hydroxy-THC (11-OH-THC) and 11-nor-9-carboxy-THC (THCCOOH) urine concentrations were evaluated during previous controlled cannabis administration studies following tandem alkaline/E...
June 14, 2017: Drug Testing and Analysis
https://www.readbyqxmd.com/read/28815276/determination-of-89-drugs-and-other-micropollutants-in-unfiltered-wastewater-and-freshwater-by-lc-ms-ms-an-alternative-sample-preparation-approach
#6
Alexandros G Asimakopoulos, Pranav Kannan, Sean Higgins, Kurunthachalam Kannan
A liquid chromatography-triple quadrupole-tandem mass spectrometry (LC-qQq-MS/MS) method was developed for simultaneous determination of 89 legal neuropsychiatric pharmaceuticals and illicit drugs (both parent compounds and metabolites) and other micropollutants in unfiltered wastewater and freshwater. The target chemicals fall under the classes of amphetamine-type stimulants, cocaine compounds, opiates and opioids, benzodiazepines, lysergic compounds, antipsychotics, anesthetics, antiepileptics, antidepressants, sympathomimetics, cannabinoids, blood thinners, antihistamines, β-blockers, caffeine derivatives, nicotine derivatives, z-drugs, new designer drugs, and Alzheimer medications...
August 16, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28813324/cannabinoids-as-therapeutic-for-ptsd
#7
REVIEW
Mallory Je Loflin, Kimberly A Babson, Marcel O Bonn-Miller
Limited efficacy for current pharmacotherapy for PTSD indicates that improved pharmacological treatments are needed. Neurobiological research points to cannabinoids as possible therapeutic agents of interest. Moreover, observational reports indicate that there is growing popular interest in therapeutic use of cannabinoids for the alleviation of trauma symptoms. The aim of this review was to present an up-to-date look at current research on the possible therapeutic value of cannabinoids for PTSD. Experimental, preclinical, and clinical findings are discussed...
April 2017: Current Opinion in Psychology
https://www.readbyqxmd.com/read/28813207/examination-of-synthetic-cannabinoid-and-cathinone-use-among-a-drug-using-offender-sample-2013-2015
#8
Kirsten Elin Smith, Amanda M Bunting, Michele Staton, Robert Walker, Sara Shalash, Erin Winston, Kevin Pangburn
Use of novel psychoactive substances (NPS) such as synthetic cannabinoids (e.g., "Spice," "Serenity") and cathinones (e.g., "bath salts") has proliferated in recent years; however, there is a gap in research examining prevalence among offender samples. This study examined demographics, drug use, mental health characteristics, and criminal histories of NPS users compared to non-NPS users within an offender sample entering drug treatment. Using logistic regression analysis, combined 2013-2015 assessment data were examined (N = 8,791)...
August 16, 2017: Journal of Psychoactive Drugs
https://www.readbyqxmd.com/read/28811670/sex-dependent-effects-of-cannabis-and-cannabinoids-a-translational-perspective
#9
Ziva D Cooper, Rebecca M Craft
Recent policy changes have led to significant increases in the use of cannabis for both medical and recreational purposes. Although men are more likely to endorse past month cannabis use and are more frequently diagnosed with Cannabis Use Disorder relative to women, a growing proportion of medical cannabis users are reported to be women. The increased popularity of cannabis for medical purposes and the narrowing gap in prevalence of use between men and women raises questions regarding sex-dependent effects related to therapeutic efficacy and negative health effects of cannabis and cannabinoids...
July 17, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28811049/marijuana-and-cannabinoids-in-esrd-and-earlier-stages-of-ckd
#10
Joshua L Rein, Christina M Wyatt
Marijuana is the most commonly used recreational drug in the United States, and legal recreational and medicinal use has gained public acceptance during the last decade. Twenty-nine US states have established medical marijuana programs, 8 of which have also legalized recreational marijuana, and Canada is expected to legalize recreational marijuana in 2018. Advanced chronic kidney disease (CKD) and end-stage renal disease (ESRD) are chronic conditions with significant associated morbidity and mortality. Patients experience substantial symptom burden that is frequently undertreated due to adverse medication side effects...
August 12, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28808587/oral-administration-of-the-endocannabinoid-anandamide-during-lactation-effects-on-hypothalamic-cannabinoid-type-1-receptor-and-food-intake-in-adult-mice
#11
Carolina Aguirre, Valeska Castillo, Miguel Llanos
We have previously shown that administration of the endocannabinoid anandamide (AEA) during lactation leads to overweight, increased body fat accumulation, and insulin resistance in adult mice. This study was designed to elucidate if these effects are due to increased food intake, stimulated by an augmented abundance and binding ability of the hypothalamic cannabinoid type 1 receptor (CB1R). With this aim, male mice pups were treated with a daily oral dose of AEA during lactation. Adult mice were also treated with a single oral dose of AEA, to evaluate acute food intake during 4 h...
2017: Journal of Nutrition and Metabolism
https://www.readbyqxmd.com/read/28803965/the-great-divide-separation-between-in-vitro-and-in-vivo-effects-of-psncbam-based-cb1-receptor-allosteric-modulators
#12
Thomas F Gamage, Charlotte E Farquhar, Timothy W Lefever, Brian F Thomas, Thuy Nguyen, Yanan Zhang, Jenny L Wiley
While allosteric modulators of the cannabinoid type-1 receptor (CB1) continue to be developed and characterized, the gap between the in vitro and in vivo data is widening, raising questions regarding translatability of their effects and biological relevance. Among the CB1 allosteric modulators, PSNCBAM-1 has received little attention regarding its effects in vivo. Recently, pregnenolone was reported to act as an allosteric modulator of CB1, blocking THC's effects in vitro and in vivo, highlighting the potential of CB1 allosteric modulators for treatment of cannabis intoxication...
August 10, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28800762/the-novel-cannabinoid-receptor-gpr55-mediates-anxiolytic-like-effects-in-the-medial-orbital-cortex-of-mice-with-acute-stress
#13
Qi-Xin Shi, Liu-Kun Yang, Wen-Long Shi, Lu Wang, Shi-Meng Zhou, Shao-Yu Guan, Ming-Gao Zhao, Qi Yang
The G protein-coupled receptor 55 (GPR55) is a novel cannabinoid receptor, whose exact role in anxiety remains unknown. The present study was conducted to explore the possible mechanisms by which GPR55 regulates anxiety and to evaluate the effectiveness of O-1602 in the treatment of anxiety-like symptoms. Mice were exposed to two types of acute stressors: restraint and forced swimming. Anxiety behavior was evaluated using the elevated plus maze and the open field test. We found that O-1602 alleviated anxiety-like behavior in acutely stressed mice...
August 11, 2017: Molecular Brain
https://www.readbyqxmd.com/read/28800377/antidote-to-cannabinoid-intoxication-inverse-cannabinoid-receptor-one-cb1-agonism-by-n-piperidin-1-yl-5-4-iodophenyl-1-2-4-dichlorophenyl-4-methyl-1h-pyrazole-3-carboxamidse-am251-reverses-the-hypothermic-effects-of-cannabinoid-receptor-one-agonism-by-1-naphthalenyl
#14
Gareth Pryce, David Baker
BACKGROUND & PURPOSE: Cannabis is a recreational drug leading to intoxication, due to cannabinoid receptor one (CB1 ) stimulation. However, more recently herbs mixed with synthetic cannabinoids sometimes known as "Spice" and "Black Mamba" have been increasing used and their high CB1 receptor affinity means not only marked intoxication, but life-threatening complications and an increasing number of deaths. Whilst many studies have indicated that prophylactic CB1 receptor antagonism can block cannabimimetic effects in animals and humans...
August 11, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28799775/a-review-of-the-therapeutic-antitumor-potential-of-cannabinoids
#15
Višnja Bogdanović, Jasminka Mrdjanović, Ivana Borišev
OBJECTIVES: The aim of this review is to discuss cannabinoids from a preclinical and clinical oncological perspective and provide the audience with a concise, retrospective overview of the most significant findings concerning the potential use of cannabinoids in cancer treatment. METHODS: A literature survey of medical and scientific databases was conducted with a focus on the biological and medical potential of cannabinoids in cancer treatment. RESULTS: Cannabis sativa is a plant rich in more than 100 types of cannabinoids...
August 11, 2017: Journal of Alternative and Complementary Medicine: Research on Paradigm, Practice, and Policy
https://www.readbyqxmd.com/read/28799497/cannabis-phenolics-and-their-bioactivities
#16
Federica Pollastro, Alberto Minassi, Luigia Grazia Fresu
Although Cannabis sativa L. is one of the most versatile plant species with multipurpose use both as medical, alimentary source and as psychoactive abuse, its biomedical relevance focused the attention on major cannabinoids. Phytochemical characterization of cannabis highlights the presence of various non-cannabinoids constituents including flavonoids, spiroindans, dihyrostilbenes, dihydrophenanthrenes, lignanamides, steroids and alkaloids. Cannabis is a plant with high pharmacological and nutrition values, its potentialities and applications are not only circumscribed to cannabinoids biological activities, but also defined by non-cannabinoid compounds...
August 10, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28799288/neuroprotective-activity-of-cannabinoid-receptor-2-against-oxidative-stress-and-apoptosis-in-rat-pups-having-experimentally-induced-congenital-hypothyroidism
#17
Mehmet Eray Alcigir, Halef Okan Dogan, Sevil Atalay Vural, Fatma Meriç Yilmaz
In this study, it was aimed to show the cannabinoid receptor-2 (CB2) role, which is a part of neuroprotective endocannabinoidal system, against increasing nitric oxide synthetase (iNOS, eNOS) levels and the apoptotic activity (caspase-3, caspase-9 and DNA in situ fragmentation) within the postnatal critical period in pups of pregnant rats with artificially induced maternal thyroid hormone (TH) deficiency. Each of the 3 groups established comprised 1 male and 2 female rats, and they were coupled. Their pups were used...
August 11, 2017: Developmental Neurobiology
https://www.readbyqxmd.com/read/28796754/perioperative-patient-beliefs-regarding-potential-effectiveness-of-marijuana-cannabinoids-for-treatment-of-pain-a-prospective-population-survey
#18
Yury Khelemsky, Andrew T Goldberg, Yasmin L Hurd, Gary Winkel, Allen Ninh, Lucia Qian, Anna Oprescu, Jeffrey Ciccone, Daniel J Katz
BACKGROUND AND OBJECTIVES: Cannabinoids have an expanding presence in medicine. Perioperative patients' perceptions of the effectiveness of these compounds, and acceptance if prescribed for pain, have not been previously described. Our primary objective was to describe patients' beliefs regarding the potential effectiveness of cannabinoids for the treatment of acute and chronic pain, as well as gauge patient acceptance of these compounds if prescribed by a physician. In addition, demographic and pain history data were collected to elucidate the predictors of the aforementioned patient attitudes...
September 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28794966/synthetic-cannabinoid-induced-acute-respiratory-depression-case-series-and-literature-review
#19
Mark Henry Alon, Margaret Olibrice Saint-Fleur
Synthetic Cannabinoids are a street drug that is widely attainable and cheap compared to natural cannabis, and has variable potency and unpredictable effects with no commercially available diagnostic test to confirm its presence. Similar to natural cannabis, Synthetic Cannabinoid intoxication can present in several ways with the most common emergency room presentations to be of neurologic and psychiatric manifestation. The respiratory depressive effect of Synthetic Cannabinoids has not been well documented in medical literature...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28792725/pharmacology-of-cumyl-carboxamide-synthetic-cannabinoid-new-psychoactive-substances-nps-cumyl-bica-cumyl-pica-cumyl-5f-pica-cumyl-5f-pinaca-and-their-analogues
#20
Mitchell Longworth, Samuel D Banister, Rochelle Boyd, Richard C Kevin, Mark Connor, Iain S McGregor, Michael Kassiou
Synthetic cannabinoids (SC) are the largest class of new psychoactive substances (NPS), and are increasingly associated with serious adverse effects. The majority of SC NPS are 1,3-disubstituted indoles and indazoles featuring a diversity of subunits at the 1- and 3-positions. Most recently, cumyl-derived indole- and indazole-3-carboxamides have been detected by law enforcement agencies and by emergency departments. Herein we describe the synthesis, characterization, and pharmacology of SCs CUMYL-BICA, CUMYL-PICA, CUMYL-5F-PICA, CUMYL-PINACA, CUMYL-5F-PINACA, and related analogues...
August 11, 2017: ACS Chemical Neuroscience
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