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https://www.readbyqxmd.com/read/28232276/cannabidiol-state-of-the-art-and-new-challenges-for-therapeutic-applications
#1
REVIEW
Simona Pisanti, Anna Maria Malfitano, Elena Ciaglia, Anna Lamberti, Roberta Ranieri, Gaia Cuomo, Mario Abate, Giorgio Faggiana, Maria Chiara Proto, Donatella Fiore, Chiara Laezza, Maurizio Bifulco
Over the past years, several lines of evidence support a therapeutic potential of Cannabis derivatives and in particular phytocannabinoids. Δ(9)-THC and cannabidiol (CBD) are the most abundant phytocannabinoids in Cannabis plants and therapeutic application for both compounds have been suggested. However, CBD is recently emerging as a therapeutic agent in numerous pathological conditions since devoid of the psychoactive side effects exhibited instead by Δ(9)-THC. In this review, we highlight the pharmacological activities of CBD, its cannabinoid receptor-dependent and -independent action, its biological effects focusing on immunomodulation, angiogenetic properties, and modulation of neuronal and cardiovascular function...
February 20, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28232194/effects-of-pyrene-exposure-on-immune-response-and-oxidative-stress-in-the-pearl-oyster-pinctada-martensii
#2
Jia Xie, Chunfeng Zhao, Qian Han, Hailong Zhou, Qingxiao Li, Xiaoping Diao
Pyrene is a polycyclic aromatic hydrocarbon (PAH) commonly observed in aquatic ecosystems, which originates primarily from the incomplete combustion of fossil fuels and the use of petroleum compounds. Pyrene can cause the immune disturbance and oxidative stress, result in immunotoxicity, DNA damage, reduce reproduction significantly, and induce behavioral changes. Marine bivalves are commonly used as bioindicators for marine pollution, and hamolymph is a metabolite transfer medium for PAH pollutant. However, the vital immune indicator responses of pearl oyster Pinctada martensii hemolymph exposed to pyrene is still unclear...
February 19, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28220044/pregnenolone-blocks-cannabinoid-induced-acute-psychotic-like-states-in-mice
#3
A Busquets-Garcia, E Soria-Gómez, B Redon, Y Mackenbach, M Vallée, F Chaouloff, M Varilh, G Ferreira, P-V Piazza, G Marsicano
Cannabis-induced acute psychotic-like states (CIAPS) represent a growing health issue, but their underlying neurobiological mechanisms are poorly understood. The use of antipsychotics and benzodiazepines against CIAPS is limited by side effects and/or by their ability to tackle only certain aspects of psychosis. Thus, safer wide-spectrum treatments are currently needed. Although the blockade of cannabinoid type-1 receptor (CB1) had been suggested as a therapeutical means against CIAPS, the use of orthosteric CB1 receptor full antagonists is strongly limited by undesired side effects and low efficacy...
February 21, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28219717/effects-of-tetrahydrocannabinol-on-glucose-uptake-in-the-rat-brain
#4
I Miederer, K Uebbing, J Röhrich, S Maus, N Bausbacher, K Krauter, V Weyer-Elberich, B Lutz, M Schreckenberger, R Urban
Δ(9)-Tetrahydrocannabinol (THC) is the psychoactive component of the plant Cannabis sativa and acts as a partial agonist at cannabinoid type 1 and type 2 receptors in the brain. The goal of this study was to assess the effect of THC on the cerebral glucose uptake in the rat brain. 21 male Sprague Dawley rats (12-13 w) were examined and received five different doses of THC ranging from 0.01 to 1 mg/kg. For data acquisition a Focus 120 small animal PET scanner was used and 24.1-28.0 MBq of [(18)F]-fluoro-2-deoxy-d-glucose were injected...
February 17, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28217094/in-vivo-evidence-for-therapeutic-properties-of-cannabidiol-cbd-for-alzheimer-s-disease
#5
REVIEW
Georgia Watt, Tim Karl
Alzheimer's disease (AD) is a debilitating neurodegenerative disease that is affecting an increasing number of people. It is characterized by the accumulation of amyloid-β and tau hyperphosphorylation as well as neuroinflammation and oxidative stress. Current AD treatments do not stop or reverse the disease progression, highlighting the need for new, more effective therapeutics. Cannabidiol (CBD) is a non-psychoactive phytocannabinoid that has demonstrated neuroprotective, anti-inflammatory and antioxidant properties in vitro...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28210835/a-10-year-review-of-cannabis-exposure-in-children-under-3-years-of-age-do-we-need-a-more-global-approach
#6
Isabelle Claudet, Mathilde Le Breton, Camille Bréhin, Nicolas Franchitto
: Pediatricians working in an emergency environment are confronted with children admitted to emergency departments for intoxication on a daily basis. We carried out a retrospective cohort study of children admitted to a pediatric emergency department due to unintentional cannabis exposure over a 10-year period from 2004 to 2014. Twenty-nine children under the age of 3 were admitted with a positive cannabis urine test. Eighty-seven percent of intoxications occurred at the family home. Resin was the main form of ingested cannabis (69%)...
February 16, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28207408/evaluation-of-cannabinoids-concentration-and-stability-in-standardized-preparations-of-cannabis-tea-and-cannabis-oil-by-ultra-high-performance-liquid-chromatography-tandem-mass-spectrometry
#7
Roberta Pacifici, Emilia Marchei, Francesco Salvatore, Luca Guandalini, Francesco Paolo Busardò, Simona Pichini
BACKGROUND: Cannabis has been used since ancient times to relieve neuropathic pain, to lower intraocular pressure, to increase appetite and finally to decrease nausea and vomiting. The combination of the psychoactive cannabis alkaloid Δ9-tetrahydrocannabinol (THC) with the non-psychotropic alkaloids cannabidiol (CBD) and cannabinol (CBN) demonstrated a higher activity than THC alone. The Italian National Institute of Health sought to establish conditions and indications on how to correctly use nationally produced cannabis to guarantee therapeutic continuity in individuals treated with medical cannabis...
February 16, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28202406/cannabis-cultivation-methodological-issues-for-obtaining-medical-grade-product
#8
REVIEW
Suman Chandra, Hemant Lata, Mahmoud A ElSohly, Larry A Walker, David Potter
As studies continue to reveal favorable findings for the use of cannabidiol in the management of childhood epilepsy syndromes and other disorders, best practices for the large-scale production of Cannabis are needed for timely product development and research purposes. The processes of two institutions with extensive experience in producing large-scale cannabidiol chemotype Cannabis crops-GW Pharmaceuticals and the University of Mississippi-are described, including breeding, indoor and outdoor growing, harvesting, and extraction methods...
February 12, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28192758/ultra-high-performance-liquid-chromatography-tandem-mass-spectrometry-for-simple-and-simultaneous-quantification-of-cannabinoids
#9
Rohitash Jamwal, Ariel R Topletz, Bharat Ramratnam, Fatemeh Akhlaghi
Cannabis is used widely in the United States, both recreationally and for medical purposes. Current methods for analysis of cannabinoids in human biological specimens rely on complex extraction process and lengthy analysis time. We established a rapid and simple assay for quantification of Δ(9)-tetrahydrocannabinol (THC), cannabidiol (CBD), 11-hydroxy Δ(9)-tetrahydrocannabinol (11-OH THC) and 11-nor-9-carboxy-Δ(9)-tetrahydrocannbinol (THCCOOH) in human plasma by U-HPLC-MS/MS usingΔ9-tetrahydrocannabinol-D3 (THC-D3) as the internal standard...
February 6, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28190698/therapeutic-effects-of-cannabinoids-in-animal-models-of-seizures-epilepsy-epileptogenesis-and-epilepsy-related-neuroprotection
#10
REVIEW
Evan C Rosenberg, Pabitra H Patra, Benjamin J Whalley
The isolation and identification of the discrete plant cannabinoids in marijuana revived interest in analyzing historical therapeutic claims made for cannabis in clinical case studies and anecdotes. In particular, sources as old as the 11th and 15th centuries claimed efficacy for crude marijuana extracts in the treatment of convulsive disorders, prompting a particularly active area of preclinical research into the therapeutic potential of plant cannabinoids in epilepsy. Since that time, a large body of literature has accumulated describing the effects of several of the >100 individual plant cannabinoids in preclinical models of seizures, epilepsy, epileptogenesis, and epilepsy-related neuroprotection...
February 9, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28188235/cannabis-edibles-blood-and-oral-fluid-cannabinoid-pharmacokinetics-and-evaluation-of-oral-fluid-screening-devices-for-predicting-%C3%AE-9-tetrahydrocannabinol-in-blood-and-oral-fluid-following-cannabis-brownie-administration
#11
Matthew N Newmeyer, Madeleine J Swortwood, Maria Andersson, Osama A Abulseoud, Karl B Scheidweiler, Marilyn A Huestis
BACKGROUND: Roadside oral fluid (OF) Δ(9)-tetrahydro-cannabinol (THC) detection indicates recent cannabis intake. OF and blood THC pharmacokinetic data are limited and there are no on-site OF screening performance evaluations after controlled edible cannabis. CONTENT: We reviewed OF and blood cannabinoid pharmacokinetics and performance evaluations of the Draeger DrugTest®5000 (DT5000) and Alere™ DDS®2 (DDS2) on-site OF screening devices. We also present data from a controlled oral cannabis administration session...
February 10, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28188234/are-thc-levels-in-oral-fluids-and-blood-plasma-comparable-after-oral-ingestion-of-edibles-containing-cannabis-or-thc
#12
EDITORIAL
Bertha K Madras
No abstract text is available yet for this article.
February 10, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28188044/cannabinoids-in-treatment-resistant-epilepsy-a-review
#13
REVIEW
Brooke K O'Connell, David Gloss, Orrin Devinsk
Treatment-resistant epilepsy (TRE) affects 30% of epilepsy patients and is associated with severe morbidity and increased mortality. Cannabis-based therapies have been used to treat epilepsy for millennia, but only in the last few years have we begun to collect data from adequately powered placebo-controlled, randomized trials (RCTs) with cannabidiol (CBD), a cannabis derivative. Previously, information was limited to case reports, small series, and surveys reporting on the use of CBD and diverse medical marijuana (MMJ) preparations containing: tetrahydrocannabinol (THC), CBD, and many other cannabinoids in differing combinations...
February 7, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28185872/neuronal-and-molecular-effects-of-cannabidiol-on-the-mesolimbic-dopamine-system-implications-for-novel-schizophrenia-treatments
#14
REVIEW
Justine Renard, Christopher Norris, Walter Rushlow, Steven R Laviolette
Growing clinical and pre-clinical evidence points to a critical role for cannabidiol (CBD), the largest phytochemical component of cannabis, as a potential pharmacotherapy for various neuropsychiatric disorders. In contrast to delta-9-tetrahydrocannabinol (THC), which is associated with acute and neurodevelopmental pro-psychotic side-effects, CBD possesses no known psychoactive or dependence-producing properties. However, evidence has demonstrated that CBD strongly modulates the mesolimbic dopamine (DA) system and may possess promising anti-psychotic properties...
February 7, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28184045/effect-of-novel-inhaler-technique-reminder-labels-on-the-retention-of-inhaler-technique-skills-in-asthma-a-single-blind-randomized-controlled-trial
#15
Iman A Basheti, Nathir M Obeidat, Helen K Reddel
: Inhaler technique can be corrected with training, but skills drop off quickly without repeated training. The aim of our study was to explore the effect of novel inhaler technique labels on the retention of correct inhaler technique. In this single-blind randomized parallel-group active-controlled study, clinical pharmacists enrolled asthma patients using controller medication by Accuhaler [Diskus] or Turbuhaler. Inhaler technique was assessed using published checklists (score 0-9). Symptom control was assessed by asthma control test...
December 2017: NPJ Primary Care Respiratory Medicine
https://www.readbyqxmd.com/read/28181552/microrna-100-is-involved-in-shrimp-immune-response-to-white-spot-syndrome-virus-wssv-and-vibrio-alginolyticus-infection
#16
Zhi Wang, Fei Zhu
In this study, we discovered that shrimp miR-100 was up-regulated at 24 h after WSSV or Vibrio alginolyticus infection, confirming its participation in the innate immune system of shrimp. The anti-miRNA oligonucleotide (AMO-miR-100) was applied to inhibit the expression of miR-100. After AMO-miR-100 treatment, the shrimp was challenged with WSSV or V. alginolyticus. The knockdown of miR-100 expression decreased the mortality of WSSV-infected shrimp from 24 h to 72 h post-infection and enhanced the mortality of V...
February 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28169144/the-legal-status-of-cannabis-marijuana-and-cannabidiol-cbd-under-u-s-law
#17
REVIEW
Alice Mead
In the United States, federal and state laws regarding the medical use of cannabis and cannabinoids are in conflict and have led to confusion among patients, caregivers, and healthcare providers. Currently, cannabis is legal for medical purposes in 50% of the states, and another seventeen states allow products that are high in cannabidiol (CBD) and low in THC (tetrahydrocannabinol) for medical use. Many of these artisanal products are sold in dispensaries or over the internet. However, none of these products has been approved by the Food and Drug Administration (FDA)...
February 3, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28167229/population-pharmacokinetics-model-of-thc-used-by-pulmonary-route-in-occasional-cannabis-smokers
#18
A Marsot, C Audebert, L Attolini, B Lacarelle, J Micallef, O Blin
Cannabis is the most widely used illegal drug in the world. Delta-9-tetrahydrocannabinol (THC) is the main source of the pharmacological effect. Some studies have been carried out and showed significant variability in the described models as the values of the estimated pharmacokinetic parameters. The objective of this study was to develop a population pharmacokinetic model for THC in occasional cannabis smokers. Twelve male volunteers (age: 20-28years, body weight: 62.5-91.0kg), tobacco (3-8 cigarette per day) and cannabis occasional smokers were recruited from the local community...
February 4, 2017: Journal of Pharmacological and Toxicological Methods
https://www.readbyqxmd.com/read/28162792/synthetic-pot-not-your-grandfather-s-marijuana
#19
REVIEW
Benjamin M Ford, Sherrica Tai, William E Fantegrossi, Paul L Prather
In the early 2000s in Europe and shortly thereafter in the USA, it was reported that 'legal' forms of marijuana were being sold under the name K2 and/or Spice. Active ingredients in K2/Spice products were determined to be synthetic cannabinoids (SCBs), producing psychotropic actions via CB1 cannabinoid receptors, similar to those of Δ(9)-tetrahydrocannabinol (Δ(9)-THC), the primary active constituent in marijuana. Often abused by adolescents and military personnel to elude detection in drug tests due to their lack of structural similarity to Δ(9)-THC, SCBs are falsely marketed as safe marijuana substitutes...
January 27, 2017: Trends in Pharmacological Sciences
https://www.readbyqxmd.com/read/28156443/a-single-dose-comparative-bioavailability-study-of-dronabinol-oral-solution-versus-dronabinol-capsules-in-healthy-volunteers
#20
Neha Parikh, William G Kramer, Varun Khurana, Santosh Vetticaden
: 198 Background: The capsule formulation of dronabinol, a pharmaceutical tetrahydrocannabinol (THC), is approved for anorexia associated with weight loss in patients with AIDS and for cancer chemotherapy-associated nausea/vomiting in patients with inadequate response to conventional antiemetics. A new oral formulation (i.e., dronabinol solution) was evaluated in a bioequivalence study versus currently marketed dronabinol capsules. METHODS: In an open-label, 2-treatment, 2-sequence, 4-period, single-dose crossover study, healthy volunteers were randomized to receive 1 of 2 treatment sequences (T-R-T-R or R-T-R-T; T = dronabinol 4...
October 9, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
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