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Régulation De L'inflammation Par Les Lipides Bioactifs : Interactions Biosynthétiques Et Fonctionnelles Entre Les Endocannabinoïdes Et Les Éicosanoïdes
Régulation de l'inflammation par les lipides bioactifs : interactions biosynthétiques et fonctionnelles entre les endocannabinoïdes et les éicosanoïdes Thèse Caroline Turcotte Doctorat en microbiologie-immunologie Philosophiæ doctor (Ph. D.) Québec, Canada © Caroline Turcotte, 2019 Régulation de l’inflammation par les lipides bioactifs : interactions biosynthétiques et fonctionnelles entre les endocannabinoïdes et les éicosanoïdes Thèse Caroline Turcotte Sous la direction de : Nicolas Flamand, directeur de recherche Marie-Renée Blanchet, codirectrice de recherche Résumé Les maladies inflammatoires chroniques sont un fardeau de santé important à travers le monde. Les traitements actuellement disponibles soulagent la douleur et l’inflammation, mais leurs effets secondaires rendent leur utilisation à long terme risquée. À la lumière de cette problématique, la communauté scientifique s’intéresse au potentiel d’anti-inflammatoires naturels comme les endocannabinoïdes. Les endocannabinoïdes sont des lipides endogènes qui activent les récepteurs cannabinoïdes (CB1 et CB2). Ils régulent ainsi divers processus physiologiques tels l’appétit, l’adipogénèse et la nociception. Les deux endocannabinoïdes les mieux caractérisés, le 2-AG et l’AEA, peuvent également moduler l’inflammation en activant le récepteur CB2 à la surface des cellules immunitaires. Les souris déficientes pour le récepteur CB2 présentent un phénotype inflammatoire exacerbé, suggérant que ce récepteur est anti-inflammatoire. Cependant, le rôle des endocannabinoïdes dans l’inflammation est beaucoup plus complexe puisqu’ils peuvent être métabolisés en une grande variété de médiateurs lipidiques de l’inflammation. Leur voie de dégradation principale est leur hydrolyse en acide arachidonique (AA), qui sert de précurseur à la biosynthèse d’éicosanoïdes pro-inflammatoires comme le leucotriène B4 et la prostaglandine E2. Ils peuvent également être métabolisés directement par certaines enzymes impliquées dans la synthèse d’éicosanoïdes, pour générer des médiateurs comme les prostaglandines-glycérol (PG-G). -
Cannabinoids and Endocannabinoid System Changes in Intestinal Inflammation and Colorectal Cancer
cancers Review Cannabinoids and Endocannabinoid System Changes in Intestinal Inflammation and Colorectal Cancer Viktoriia Cherkasova, Olga Kovalchuk * and Igor Kovalchuk * Department of Biological Sciences, University of Lethbridge, Lethbridge, AB T1K 7X8, Canada; [email protected] * Correspondence: [email protected] (O.K.); [email protected] (I.K.) Simple Summary: In recent years, multiple preclinical studies have shown that changes in endo- cannabinoid system signaling may have various effects on intestinal inflammation and colorectal cancer. However, not all tumors can respond to cannabinoid therapy in the same manner. Given that colorectal cancer is a heterogeneous disease with different genomic landscapes, experiments with cannabinoids should involve different molecular subtypes, emerging mutations, and various stages of the disease. We hope that this review can help researchers form a comprehensive understanding of cannabinoid interactions in colorectal cancer and intestinal bowel diseases. We believe that selecting a particular experimental model based on the disease’s genetic landscape is a crucial step in the drug discovery, which eventually may tremendously benefit patient’s treatment outcomes and bring us one step closer to individualized medicine. Abstract: Despite the multiple preventive measures and treatment options, colorectal cancer holds a significant place in the world’s disease and mortality rates. The development of novel therapy is in Citation: Cherkasova, V.; Kovalchuk, critical need, and based on recent experimental data, cannabinoids could become excellent candidates. O.; Kovalchuk, I. Cannabinoids and This review covered known experimental studies regarding the effects of cannabinoids on intestinal Endocannabinoid System Changes in inflammation and colorectal cancer. In our opinion, because colorectal cancer is a heterogeneous Intestinal Inflammation and disease with different genomic landscapes, the choice of cannabinoids for tumor prevention and Colorectal Cancer. -
Improving Outcomes for Noncommunicable Diseases In
FOR NONCOMMUNICABLE DISEASES IN LOW AND MIDDLEINCOME COUNTRIES KENNETH A. LABRESH, MD, EDITOR RTI Press ©2016 RTI International. All rights reserved. The RTI Press mission is to disseminate Credit must be provided to the author and information about RTI research, analytic tools, source of the publication when the content and technical expertise to a national and is quoted. No part of this publication may international audience. RTI Press publications be reproduced in any form by any electronic are peer-reviewed by at least two independent or mechanical means without permission in substantive experts and one or more Press writing from the publisher. RTI International editors. is a registered trademark and a trade name of RTI International is an independent, nonprofit Research Triangle Institute. research organization dedicated to improving the human condition by turning knowledge into practice. RTI offers innovative research and technical services to governments and businesses worldwide in the areas of health and pharmaceuticals, education and training, surveys and statistics, advanced technology, international development, economic and social policy, energy and the environment, and laboratory testing and chemistry services. Library of Congress Control Number: 2016949680 ISBN 978-1-934831-17-5 (refers to print version) RTI Press publication No. BK-0017-1608 http://dx.doi.org/10.3768/rtipress.2016.bk.007.1608 www.rti.org/rtipress Cover design: Dayle Johnson This publication is part of the RTI Press Book series. RTI International 3040 East Cornwallis Road, PO Box 12194 Research Triangle Park, NC 27709-2194, USA [email protected] www.rti.org Contents Foreword v Preface ix Introduction xi 1. -
In Vitro Immunopharmacological Profiling of Ginger (Zingiber Officinale Roscoe)
Research Collection Doctoral Thesis In vitro immunopharmacological profiling of ginger (Zingiber officinale Roscoe) Author(s): Nievergelt, Andreas Publication Date: 2011 Permanent Link: https://doi.org/10.3929/ethz-a-006717482 Rights / License: In Copyright - Non-Commercial Use Permitted This page was generated automatically upon download from the ETH Zurich Research Collection. For more information please consult the Terms of use. ETH Library DISS. ETH Nr. 19591 In Vitro Immunopharmacological Profiling of Ginger (Zingiber officinale Roscoe) ABHANDLUNG zur Erlangung des Titels DOKTOR DER WISSENSCHAFTEN der ETH ZÜRICH vorgelegt von Andreas Nievergelt Eidg. Dipl. Apotheker, ETH Zürich geboren am 18.12.1978 von Schleitheim, SH Angenommen auf Antrag von Prof. Dr. Karl-Heinz Altmann, Referent Prof. Dr. Jürg Gertsch, Korreferent Prof. Dr. Michael Detmar, Korreferent 2011 Table of Contents Summary 6 Zusammenfassung 7 Acknowledgements 8 List of Abbreviations 9 1. Introduction 13 1.1 Ginger (Zingiber officinale) 13 1.1.1 Origin 14 1.1.2 Description 14 1.1.3 Chemical Constituents 15 1.1.4 Traditional and Modern Pharmaceutical Use of Ginger 17 1.1.5 Reported In Vitro Effects 20 1.2 Immune System and Inflammation 23 1.2.1 Innate and Adaptive Immunity 24 1.2.2 Cytokines in Inflammation 25 1.2.3 Pattern Recognition Receptors 29 1.2.4 Toll-Like Receptors 30 1.2.5 Serotonin 1A and 3 Receptors 32 1.2.6 Phospholipases A2 33 1.2.7 MAP Kinases 36 1.2.8 Fighting Inflammation, An Ongoing Task 36 1.2.9 Inflammation Assays Using Whole Blood 38 1.3 Arabinogalactan-Proteins 39 1.3.1 Origin and Biological Function of AGPs 40 1.3.2 Effects on Animals 41 1.3.3 The ‘Immunostimulation’ Theory 42 1/188 2. -
Supporting Information
Supporting Information Blankman et al. 10.1073/pnas.1217121110 SI Materials and Methods RT-PCR. Total RNA was isolated from brain tissue of 6-wk-old −/− +/+ Materials. We purchased 2-arachidonoylglycerol (2-AG) from ABHD12 and ABHD12 mice using TRIzol (Invitrogen). Cayman Chemicals; 2-oleoylglycerol, pentadecanoic acid (PDA), First-strand cDNA was synthesized using the SuperScript III and dodecylmonoalkylglycerol ether (C12:0 MAGE) were pur- Reverse Transcriptase kit (Invitrogen) according to the manu- chased from Sigma-Aldrich. Monopentadecanoin (C15:0 MAG) facturer’s protocol. PCR amplification (25 cycles) of a 259 bp fragment of the ABHD12 cDNA was performed with primers 50- and monoheptadecanoin (C17:0 MAG) were purchased from Nu- 0 0 Chek-Prep. Phospholipids and lysophospholipids were purchased CTCAGTAGGAACACCATCGGAGC-3 and 5 -GCCAGGG- AAGTATCGGTATATCACTG-3. Amplification of a 245-bp from Avanti Polar Lipids. Fluorophosphonate (FP)-rhodamine 0 (1) and JZL184 (2) were synthesized as described previously. GAPDH product was performed as a control with primers 5 - GGTGAAGGTCGGTGTGAACGG-30 and 50-CCCATTTGA- 0 Generation of ABHD12−/− Mice. The α/β-hydrolase domain-con- TGTTAGTGGGGTCTCG-3 . Both sets of primers were de- taining (ABHD)12-targeting construct was generated by ampli- signed to span a >2-kb region of genomic DNA. fying 3.4- and 4.4-kb regions of the Abhd12 gene adjacent to the Untargeted liquid chromatography–mass spectrometry proteomic analysis. catalytic exon 8 from a BAC clone containing the Abhd12 locus Mouse brain membrane proteomes were prepared from 6-mo-old − − + + (clone ID RP23-193L22 from BACPAC Resources Center at ABHD12 / and ABHD12 / mice (n = 3 per genotype). -
Relevance of Peroxisome Proliferator Activated Receptors in Multitarget Paradigm Associated with the Endocannabinoid System
International Journal of Molecular Sciences Review Relevance of Peroxisome Proliferator Activated Receptors in Multitarget Paradigm Associated with the Endocannabinoid System Ana Lago-Fernandez , Sara Zarzo-Arias, Nadine Jagerovic * and Paula Morales * Medicinal Chemistry Institute, Spanish Research Council, Juan de la Cierva 3, 28006 Madrid, Spain; [email protected] (A.L.-F.); [email protected] (S.Z.-A.) * Correspondence: [email protected] (N.J.); [email protected] (P.M.); Tel.: +34-91-562-2900 (P.M.) Abstract: Cannabinoids have shown to exert their therapeutic actions through a variety of targets. These include not only the canonical cannabinoid receptors CB1R and CB2R but also related orphan G protein-coupled receptors (GPCRs), ligand-gated ion channels, transient receptor potential (TRP) channels, metabolic enzymes, and nuclear receptors. In this review, we aim to summarize reported compounds exhibiting their therapeutic effects upon the modulation of CB1R and/or CB2R and the nuclear peroxisome proliferator-activated receptors (PPARs). Concomitant actions at CBRs and PPARα or PPARγ subtypes have shown to mediate antiobesity, analgesic, antitumoral, or neuroprotective properties of a variety of phytogenic, endogenous, and synthetic cannabinoids. The relevance of this multitargeting mechanism of action has been analyzed in the context of diverse pathologies. Synergistic effects triggered by combinatorial treatment with ligands that modulate the aforementioned targets have also been considered. This literature overview provides structural and pharmacological insights for the further development of dual cannabinoids for specific disorders. Citation: Lago-Fernandez, A.; Zarzo-Arias, S.; Jagerovic, N.; Keywords: PPAR; cannabinoids; CB1R; CB2R; FAAH; multitarget; endocannabinoid system Morales, P. Relevance of Peroxisome Proliferator Activated Receptors in Multitarget Paradigm Associated with the Endocannabinoid System. -
Potential Cannabis Antagonists for Marijuana Intoxication
Central Journal of Pharmacology & Clinical Toxicology Bringing Excellence in Open Access Review Article *Corresponding author Matthew Kagan, M.D., Cedars-Sinai Medical Center, 8730 Alden Drive, Los Angeles, CA 90048, USA, Tel: 310- Potential Cannabis Antagonists 423-3465; Fax: 310.423.8397; Email: Matthew.Kagan@ cshs.org Submitted: 11 October 2018 for Marijuana Intoxication Accepted: 23 October 2018 William W. Ishak, Jonathan Dang, Steven Clevenger, Shaina Published: 25 October 2018 Ganjian, Samantha Cohen, and Matthew Kagan* ISSN: 2333-7079 Cedars-Sinai Medical Center, USA Copyright © 2018 Kagan et al. Abstract OPEN ACCESS Keywords Cannabis use is on the rise leading to the need to address the medical, psychosocial, • Cannabis and economic effects of cannabis intoxication. While effective agents have not yet been • Cannabinoids implemented for the treatment of acute marijuana intoxication, a number of compounds • Antagonist continue to hold promise for treatment of cannabinoid intoxication. Potential therapeutic • Marijuana agents are reviewed with advantages and side effects. Three agents appear to merit • Intoxication further inquiry; most notably Cannabidiol with some evidence of antipsychotic activity • THC and in addition Virodhamine and Tetrahydrocannabivarin with a similar mixed receptor profile. Given the results of this research, continued development of agents acting on cannabinoid receptors with and without peripheral selectivity may lead to an effective treatment for acute cannabinoid intoxication. Much work still remains to develop strategies that will interrupt and reverse the effects of acute marijuana intoxication. ABBREVIATIONS Therapeutic uses of cannabis include chronic pain, loss of appetite, spasticity, and chemotherapy-associated nausea and CBD: Cannabidiol; CBG: Cannabigerol; THCV: vomiting [8]. Recreational cannabis use is on the rise with more Tetrahydrocannabivarin; THC: Tetrahydrocannabinol states approving its use and it is viewed as no different from INTRODUCTION recreational use of alcohol or tobacco [9]. -
The Expanded Endocannabinoid System/Endocannabinoidome As a Potential Target for Treating Diabetes Mellitus
Current Diabetes Reports (2019) 19:117 https://doi.org/10.1007/s11892-019-1248-9 OBESITY (KM GADDE, SECTION EDITOR) The Expanded Endocannabinoid System/Endocannabinoidome as a Potential Target for Treating Diabetes Mellitus Alain Veilleux1,2,3 & Vincenzo Di Marzo1,2,3,4,5 & Cristoforo Silvestri3,4,5 # Springer Science+Business Media, LLC, part of Springer Nature 2019 Abstract Purpose of Review The endocannabinoid (eCB) system, i.e. the receptors that respond to the psychoactive component of cannabis, their endogenous ligands and the ligand metabolic enzymes, is part of a larger family of lipid signals termed the endocannabinoidome (eCBome). We summarize recent discoveries of the roles that the eCBome plays within peripheral tissues in diabetes, and how it is being targeted, in an effort to develop novel therapeutics for the treatment of this increasingly prevalent disease. Recent Findings As with the eCB system, many eCBome members regulate several physiological processes, including energy intake and storage, glucose and lipid metabolism and pancreatic health, which contribute to the development of type 2 diabetes (T2D). Preclinical studies increasingly support the notion that targeting the eCBome may beneficially affect T2D. Summary The eCBome is implicated in T2D at several levels and in a variety of tissues, making this complex lipid signaling system a potential source of many potential therapeutics for the treatments for T2D. Keywords Endocannabinoidome . Bioactive lipids . Peripheral tissues . Glucose . Insulin Introduction: The Endocannabinoid System cannabis-derived natural product, Δ9-tetrahydrocannabinol and its Subsequent Expansion (THC), responsible for most of the psychotropic, euphoric to the “Endocannabinoidome” and appetite-stimulating actions (via CB1 receptors) and immune-modulatory effects (via CB2 receptors) of marijuana, The discovery of two G protein-coupled receptors, the canna- opened the way to the identification of the endocannabinoids binoid receptor type-1 (CB1) and − 2 (CB2) [1, 2], for the (eCBs). -
Models of Federal Research & Development
1 Growing from a handful of scientists in central North Carolina in 1959 to a staff of more than 3,700 in more than 75 countries today, RTI is one of the world’s leading independent, nonprofit research and development organizations. Our activities both mirror and support national priorities and policies, as well as diverse commercial, industrial, and academic endeavors. For instance, as public and government interest in environmental protection grew in the 1960s, so did related programs at RTI, building on our expertise in statistical, physical, and life sciences. 2 Today, all of RTI’s research activities are guided by our mission to improve the human condition. Researchers hold advanced degrees in more than 125 disciplines; their collaborative expertise is recruited to better understand, analyze, measure, and solve many of the most complex challenges to the planet and humankind. Health research, RTI’s largest field of study, spans a range of specialties from the human genome to local health education. Researchers across the institute are studying substance abuse among teenagers, the relationship between children’s television viewing habits and obesity, and the health implications of the dietary supplement ephedra. Others are evaluating the prevalence of sexual assault among prison inmates and the relationship between hypothermia and infants with encephalopathy. While one multidisciplinary team of researchers recently forged a unique private‐public partnership to bring an affordable new tuberculosis drug—PA‐824—to clinical trials, another group developed a data‐mining and predictive analytics software program to help police forces optimize their resources to improve public safety. RTI’s medicinal chemistry researchers discovered two successful cancer drugs, Camptothecin and Taxol. -
N-Acyl Dopamines Induce Apoptosis in PC12 Cell Line Via the O-1918
bioRxiv preprint doi: https://doi.org/10.1101/075796; this version posted September 19, 2016. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under aCC-BY 4.0 International license. Akimov et al: N-acyl Dopamines Cytotoxicity Receptor N-Acyl Dopamines Induce Apoptosis in PC12 Cell Line via the O-1918-Sensitive non-CB1-non-CB2 Receptor MIKHAIL G. AKIMOV*, ALINA M. ASHBA*, NATALIA M. GRETSKAYA, and VLADIMIR V. BEZUGLOV *: Equally contributed authors Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia Correspondence to: Mikhail G. Akimov, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 117997, ul. Miklukho-Maklaya, 16/10, Moscow, Russia. Tel: +7 4953306592, e-mail: [email protected] Key Words: N-acyl dopamine, cancer, cytotoxicity, apoptosis, non-CB1-non-CB2 receptor. 1 bioRxiv preprint doi: https://doi.org/10.1101/075796; this version posted September 19, 2016. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under aCC-BY 4.0 International license. Akimov et al: N-acyl Dopamines Cytotoxicity Receptor Abstract. Dopamine amides of long chain fatty acids (NADA) are a family of endogenous mammalian lipids with an unknown function; they are anti-proliferative for many cancer cell lines. The aim of this study was to identify the NADA receptor responsible for cell death induction. -
Cannabinoid Receptor Cannabinoid Receptor
Cannabinoid Receptor Cannabinoid Receptor Cannabinoid receptors are currently classified into three groups: central (CB1), peripheral (CB2) and GPR55, all of which are G-protein-coupled. CB1 receptors are primarily located at central and peripheral nerve terminals. CB2 receptors are predominantly expressed in non-neuronal tissues, particularly immune cells, where they modulate cytokine release and cell migration. Recent reports have suggested that CB2 receptors may also be expressed in the CNS. GPR55 receptors are non-CB1/CB2 receptors that exhibit affinity for endogenous, plant and synthetic cannabinoids. Endogenous ligands for cannabinoid receptors have been discovered, including anandamide and 2-arachidonylglycerol. www.MedChemExpress.com 1 Cannabinoid Receptor Antagonists, Agonists, Inhibitors, Modulators & Activators (S)-MRI-1867 (±)-Ibipinabant Cat. No.: HY-141411A ((±)-SLV319; (±)-BMS-646256) Cat. No.: HY-14791A (S)-MRI-1867 is a peripherally restricted, orally (±)-Ibipinabant ((±)-SLV319) is the racemate of bioavailable dual cannabinoid CB1 receptor and SLV319. (±)-Ibipinabant ((±)-SLV319) is a potent inducible NOS (iNOS) antagonist. (S)-MRI-1867 and selective cannabinoid-1 (CB-1) receptor ameliorates obesity-induced chronic kidney disease antagonist with an IC50 of 22 nM. (CKD). Purity: >98% Purity: 99.93% Clinical Data: No Development Reported Clinical Data: No Development Reported Size: 1 mg, 5 mg Size: 10 mM × 1 mL, 5 mg, 10 mg, 25 mg, 50 mg 2-Arachidonoylglycerol 2-Palmitoylglycerol Cat. No.: HY-W011051 (2-Palm-Gl) Cat. No.: HY-W013788 2-Arachidonoylglycerol is a second endogenous 2-Palmitoylglycerol (2-Palm-Gl), an congener of cannabinoid ligand in the central nervous system. 2-arachidonoylglycerol (2-AG), is a modest cannabinoid receptor CB1 agonist. 2-Palmitoylglycerol also may be an endogenous ligand for GPR119. -
Understanding the Endocannabinoid System
UNDERSTANDING THE ENDOCANNABINOID SYSTEM (ECS) COMPOUND: Cannabidiol (CBD) CBD is one of approximately 100 phytocannabinoids that are naturally occurring in hemp plants. Cannabinoids refer to molecules found in the cannabis plant that interact with cannabinoid receptors. Common cannabinoids include D9-THC, THCV, CBD, CBDV, CBG and CBC. KEY FACTS: Understanding the ECS • Plays vital neurological and immunomodulatory roles that can affect overall health • Comprised of specialized eicosanoids, known as endocannabinoids, that the body makes from lipid precursors 1. 2. 3. CBCB1 CB2 Endocannabinoids Cannabinoid Enzymes 1. Anandamide Receptors that control 2. 2Arachidonoylglycerol (2AG) endocannabinoid levels This piece is for educational purposes and is intended for review by licensed healthcare practitioners only. This information should not be applied to any particular product offered for sale by company. These therapies are not substitutes for standard medical care. THE ECS IN THE CNS The two major endocannabinoids — anandamide and 2-AG — activate two different cannabinoid receptors: CB1 and CB2. The CB1 receptor is primarily expressed on neurons in the brain and nervous systems; a main function is to inhibit excitatory neurotransmission. Presynaptic neuron Once activated, the CB1 receptor 3 inhibits further release of the stimulating neurotransmitter, Anandamide or 2AG eliciting a relaxant eect. (endocannabinoids) CB Excitatory neurotransmitter 1 (e.g., glutamate) Endocannabinoids 2 activate CB1 receptors, which are located on the presynaptic neuron. CBD increases levels of the endocannabinoid Excitatory neurotransmitters anandamide by inhibiting its reuptake and 1 activate endocannabinoid degradation. As a result, more anandamide synthesis and release. is available to activate cannabinoid receptors. Neurotransmitter receptor The enzyme that CBD modulates is known as FAAH.