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Anandamide

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https://www.readbyqxmd.com/read/29313885/interferon-%C3%AE-treatment-increases-endocannabinoid-and-related-n-acylethanolamine-levels-in-t84-human-colon-carcinoma-cells
#1
Mireille Alhouayek, Linda Rankin, Sandra Gouveia-Figueira, Christopher J Fowler
BACKGROUND AND PURPOSE: Endocannabinoids and related N-acylethanolamines (NAEs) are involved in regulation of gut function, but relatively little is known as to whether inflammatory cytokines such as interferon γ (IFNγ) affect their levels. We have investigated this in vitro using T84 colon cancer cells, which when cultured in monolayers differentiate to form adult colonic crypt-like cells with excellent permeability barrier properties. EXPERIMENTAL APPROACH: NAE levels were determined by ultra-performance liquid chromatography-tandem mass spectrometric analysis...
January 3, 2018: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29300902/peripheral-endocannabinoids-associated-with-energy-expenditure-in-native-americans-of-southwestern-heritage
#2
Sascha Heinitz, Alessio Basolo, Paolo Piaggi, Daniele Piomelli, Reiner Jumpertz von Schwartzenberg, Jonathan Krakoff
Context: The endocannabinoids anandamide (AEA) and 2-arachidonoylglycerol (2-AG), and the related acylethanolamide oleoylethanolamide (OEA) have been implicated in energy expenditure (EE)-regulation and metabolic diseases. Muscle (fat-free mass, FFM) and fat (fat mass, FM) are metabolically active compartments and main determinants of EE. Objective: To assess whether human muscle, adipose, and plasma endocannabinoids correlate with EE. Design: Muscle, adipose, and plasma AEA, 2-AG, and OEA concentrations were measured via liquid chromatography-mass spectrometry...
December 28, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29299205/the-correlation-of-anandamide-with-gonadotrophin-and-sex-steroid-hormones-during-the-menstrual-cycle
#3
Na Cui, Luning Wang, Wei Wang, Jie Zhang, Yueming Xu, Lei Jiang, Guimin Hao
Objectives: The purpose of this study was to investigate the change in plasma anandamide (AEA) levels throughout the normal menstrual cycle, and to analyze the relationship among AEA, sex steroids and gonadotrophins. Materials and Methods: The patients were fertile women with normal menstrual cycle, proposed to get in vitro fertilization (IVF) treatment due to oviduct obstruction or male infertility. Patients were divided into two groups, cross-sectional (n=79) and longitudinal (n=10)...
November 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/29288688/neuroprotective-activity-of-macamides-on-manganese-induced-mitochondrial-disruption-in-u-87-mg-glioblastoma-cells
#4
Kuljeet S Gugnani, Nguyen Vu, Alejandro N Rondón-Ortiz, Mark Böhlke, Timothy J Maher, Alejandro J Pino-Figueroa
Macamides are a distinct class of secondary metabolites, benzylamides of long chain fatty acids, which were isolated from the Peruvian plant Lepidium meyenii (Maca). As structural analogues of the endocannabinoid anandamide (AEA), they have demonstrated neuroprotective effects in vitro and in vivo. The purpose of this study was to demonstrate the neuroprotective activity of the macamides: N-(3-methoxybenzyl)oleamide (MAC 18:1), N-(3-methoxybenzyl)linoleamide (MAC 18:2) and N-(3-methoxybenzyl)linolenamide (MAC 18:3) in a neurotoxic environment caused by exposure of U-87 MG glioblastoma cells to manganese chloride (MnCl2)...
December 27, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29277315/incubation-of-spermatozoa-with-anandamide-prior-to-cryopreservation-reduces-cryocapacitation-and-improves-post-thaw-sperm-quality-in-the-water-buffalo-bubalus-bubalis
#5
Puneeth Kumar, Tushar Kumar Mohanty, Arumugam Kumaresan, Pradeep Nag, Kaustubh Kishor Saraf, Vimlesh Kumar, Sreela Lathika, Samiksha Nayak, Mukesh Bhakat
Anandamide (AEA), an endocannabinoid, has been shown to reduce capacitation and acrosomal exocytosis in human spermatozoa. Because buffalo spermatozoa are highly susceptible to cryopreservation induced damage, AEA was assessed as to whether it could protect spermatozoa from cryo-damage. Six ejaculates from six Murrah buffalo bulls (total 36 ejaculates) were utilized for the study. Each ejaculate was divided into four aliquots; spermatozoa in Aliquot 1 were extended in Tris-Citrate-Egg Yolk and frozen as per the standard protocol...
December 21, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/29274621/anti-inflammatory-activity-of-cannabinoid-receptor-2-ligands-in-primary-hpdl-fibroblasts
#6
Ammaar H Abidi, Chaela S Presley, Mustafa Dabbous, David A Tipton, Suni M Mustafa, Bob M Moore
OBJECTIVES: Approximately 65 million adults in the US have periodontitis, causing tooth loss and decreased quality of life. Cannabinoids modulate immune responses, and endocannabinoids are prevalent during oral cavity inflammation. Targets for intervention in periodontal inflammation are cannabinoid type 1 and 2 receptors (CB1R, CB2R), particularly CB2R because its levels increase during inflammation. We previously demonstrated that SMM-189 (CB2R inverse agonist) decreased pro-inflammatory cytokine production in primary microglial cells...
December 6, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/29273526/activation-of-the-capsaicin-receptor-trpv1-by-the-acetaminophen-metabolite-n-arachidonoylaminophenol-results-in-cytotoxicity
#7
Thomas Stueber, Susanne Meyer, Annette Jangra, Axel Hage, Mirjam Eberhardt, Andreas Leffler
AIMS: The anandamide reuptake inhibitor N-arachidonoylaminophenol (AM404) and the reactive substance N-acetyl-p-benzoquinone imine (NAPQI) are both metabolites of acetaminophen and may contribute to acetaminophen-induced analgesia by acting at TRPV1 expressed in the peripheral or central nervous system. While NAPQI slowly sensitizes and activates TRPV1 by interacting with distinct intracellular cysteine residues, detailed properties of AM404 as an agonist of TRPV1 have not yet been reported on...
December 19, 2017: Life Sciences
https://www.readbyqxmd.com/read/29261146/peripheral-endocannabinoid-responses-to-hedonic-eating-in-binge-eating-disorder
#8
Alessio Maria Monteleone, Fabiana Piscitelli, Riccardo Dalle Grave, Marwan El Ghoch, Vincenzo Di Marzo, Mario Maj, Palmiero Monteleone
Reward mechanisms are likely implicated in the pathophysiology of binge-eating behaviour, which is a key symptom of binge-eating disorder (BED). Since endocannabinoids modulate food-related reward, we aimed to investigate the responses of anandamide (AEA) and 2-arachidonoylglycerol (2-AG) to hedonic eating in patients with BED. Peripheral levels of AEA and 2-AG were measured in 7 obese BED patients before and after eating favorite (hedonic eating) and non-favorite (non-hedonic eating) foods. We found that plasma levels of AEA progressively decreased after eating the non-favorite food and significantly increased after eating the favorite food, whereas plasma levels of 2-AG did not differ significantly between the two test conditions, although they showed a trend toward significantly different time patterns...
December 20, 2017: Nutrients
https://www.readbyqxmd.com/read/29247851/the-involvement-of-the-endocannabinoid-system-in-the-peripheral-antinociceptive-action-of-ketamine
#9
Renata C M Ferreira, Marina G M Castor, Fabiana Piscitelli, Vincenzo Di Marzo, Igor D G Duarte, Thiago R L Romero
Ketamine has been widely used as an analgesic and produces dissociative anesthetic effects. The antinociceptive effects of ketamine have been studied, but the involvement of endocannabinoids in these effects has not yet been investigated. In this study, we evaluated the involvement of the endocannabinoid system in the peripheral antinociceptive effects induced by ketamine. All drugs were administered via the intraplantar route. To induce hyperalgesia, rat paws were injected with prostaglandin E2 (PGE2, 2 µg/paw)...
December 13, 2017: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/29238213/first-evidence-of-the-conversion-of-paracetamol-to-am404-in-human-cerebrospinal-fluid
#10
Chhaya V Sharma, Jamie H Long, Seema Shah, Junia Rahman, David Perrett, Samir S Ayoub, Vivek Mehta
Paracetamol is arguably the most commonly used analgesic and antipyretic drug worldwide, however its mechanism of action is still not fully established. It has been shown to exert effects through multiple pathways, some actions suggested to be mediated via N-arachidonoylphenolamine (AM404). AM404, formed through conjugation of paracetamol-derived p-aminophenol with arachidonic acid in the brain, is an activator of the capsaicin receptor, TRPV1, and inhibits the reuptake of the endocannabinoid, anandamide, into postsynaptic neurons, as well as inhibiting synthesis of PGE2 by COX-2...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/29225040/differential-neuromodulatory-role-of-endocannabinoids-in-the-rodent-trigeminal-sensory-ganglion-and-cerebral-cortex-relevant-to-pain-processing
#11
Francesca Eroli, Inge C M Loonen, Arn M J M van den Maagdenberg, Else A Tolner, Andrea Nistri
Endocannabinoids are suggested to control pain, even though their clinical use is not fully validated and the underlying mechanisms are incompletely understood. To clarify the targets of endocannabinoid actions, we studied how activation of the endocannabinoid CB1 receptor (CB1R) affects neuronal responses in two in vitro preparations of rodents, namely the trigeminal sensory ganglion (TG) in culture and a coronal slice of the cerebral cortex. On TG small-medium size neurons, we tested whether submicromolar concentrations of the endogenous CB1R agonist anandamide (AEA) modulated inhibitory GABAA receptors and excitatory ATP-gated P2X3 receptors...
December 7, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/29223222/from-azalla-to-anandamide-distilling-the-therapeutic-potential-of-cannabinoids
#12
Rajiv Radhakrishnan, David A Ross
No abstract text is available yet for this article.
January 15, 2018: Biological Psychiatry
https://www.readbyqxmd.com/read/29197803/redox-system-and-phospholipid-metabolism-in-the-kidney-of-hypertensive-rats-after-faah-inhibitor-urb597-administration
#13
Michał Biernacki, Ewa Ambrożewicz, Agnieszka Gęgotek, Marek Toczek, Katarzyna Bielawska, Elżbieta Skrzydlewska
Primary and secondary hypertension is associated with kidney redox imbalance resulting in enhanced reactive oxygen species (ROS) and enzymes dependent phospholipid metabolism. The fatty acid amide hydrolase inhibitor, URB597, modulates the levels of endocannabinoids, particularly of anandamide, which is responsible for controlling blood pressure and regulating redox balance. Therefore, this study aimed to compare the effects of chronic URB597 administration to spontaneously hypertensive rats (SHR) and rats with secondary hypertension (DOCA-salt rats) on the kidney metabolism associated with the redox and endocannabinoid systems...
November 27, 2017: Redox Biology
https://www.readbyqxmd.com/read/29192125/endocannabinoid-specific-impairment-in-synaptic-plasticity-in-striatum-of-huntington-s-disease-mouse-model
#14
Marja D Sepers, Amy Smith-Dijak, Jeff LeDue, Karolina Kolodziejczyk, Ken Mackie, Lynn A Raymond
Huntington's disease (HD) is an inherited neurodegenerative disease affecting predominantly striatum and cortex that results in motor and cognitive disorders. Prior to a motor phenotype, animal models of HD show aberrant cortical-striatal glutamate signaling. Here, we tested synaptic plasticity of cortical excitatory synapses onto striatal spiny projection neurons (SPNs) early in the YAC128 mouse model of HD. High frequency stimulation-induced long-term depression, mediated by the endocannabinoid anandamide and cannabinoid receptor 1 (CB1), was significantly attenuated in male and female YAC128 SPNs...
November 30, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29186065/binge-alcohol-exposure-transiently-changes-the-endocannabinoid-system-a-potential-target-to-prevent-alcohol-induced-neurodegeneration
#15
Daniel J Liput, James R Pauly, Audra L Stinchcomb, Kimberly Nixon
Excessive alcohol consumption leads to neurodegeneration, which contributes to cognitive decline that is associated with alcohol use disorders (AUDs). The endocannabinoid system has been implicated in the development of AUDs, but little is known about how the neurotoxic effects of alcohol impact the endocannabinoid system. Therefore, the current study investigated the effects of neurotoxic, binge-like alcohol exposure on components of the endocannabinoid system and related N-acylethanolamines (NAEs), and then evaluated the efficacy of fatty acid amide hydrolase (FAAH) inhibition on attenuating alcohol-induced neurodegeneration...
November 29, 2017: Brain Sciences
https://www.readbyqxmd.com/read/29179781/low-fat-yogurt-consumption-reduces-biomarkers-of-chronic-inflammation-and-inhibits-markers-of-endotoxin-exposure-in-healthy-premenopausal-women-a-randomised-controlled-trial
#16
Ruisong Pei, Diana M DiMarco, Kelley K Putt, Derek A Martin, Qinlei Gu, Chureeporn Chitchumroonchokchai, Heather M White, Cameron O Scarlett, Richard S Bruno, Bradley W Bolling
The anti-inflammatory mechanisms of low-fat dairy product consumption are largely unknown. The objective of this study was to determine whether low-fat yogurt reduces biomarkers of chronic inflammation and endotoxin exposure in women. Premenopausal women (BMI 18·5-27 and 30-40 kg/m2) were randomised to consume 339 g of low-fat yogurt (yogurt non-obese (YN); yogurt obese (YO)) or 324 g of soya pudding (control non-obese; control obese (CO)) daily for 9 weeks (n 30/group). Fasting blood samples were analysed for IL-6, TNF-α/soluble TNF II (sTNF-RII), high-sensitivity C-reactive protein, 2-arachidonoyl glycerol, anandamide, monocyte gene expression, soluble CD14 (sCD14), lipopolysaccharide (LPS), LPS binding protein (LBP), IgM endotoxin-core antibody (IgM EndoCAb), and zonulin...
November 28, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/29176975/targeting-cannabinoid-signaling-in-the-immune-system-high-ly-exciting-questions-possibilities-and-challenges
#17
REVIEW
Attila Oláh, Zoltán Szekanecz, Tamás Bíró
It is well known that certain active ingredients of the plants of Cannabis genus, i.e., the "phytocannabinoids" [pCBs; e.g., (-)-trans-Δ9-tetrahydrocannabinol (THC), (-)-cannabidiol, etc.] can influence a wide array of biological processes, and the human body is able to produce endogenous analogs of these substances ["endocannabinoids" (eCB), e.g., arachidonoylethanolamine (anandamide, AEA), 2-arachidonoylglycerol (2-AG), etc.]. These ligands, together with multiple receptors (e.g., CB1 and CB2 cannabinoid receptors, etc...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29165386/alterations-in-rat-accumbens-endocannabinoid-and-gaba-content-during-fentanyl-treatment-the-role-of-ghrelin
#18
Magdalena Sustkova-Fiserova, Chrysostomos Charalambous, Tereza Havlickova, Marek Lapka, Pavel Jerabek, Nina Puskina, Kamila Syslova
The opioid-induced rise of extracellular dopamine, endocannabinoid anandamide and γ-aminobutyric acid (GABA) concentrations triggered by opioids in the nucleus accumbens shell (NACSh) most likely participate in opioid reward. We have previously demonstrated that systemic administration of ghrelin antagonist (JMV2959) significantly decreased morphine-induced dopamine and anandamide (N-arachidonoylethanolamine, AEA) increase in the NACSh. Fentanyl is considered as a µ-receptor-selective agonist. The aim of this study was to test whether JMV2959, a growth hormone secretagogue receptor (GHS-R1A) antagonist, can influence the fentanyl-induced effects on anandamide, 2-arachidonoylglycerol (2-AG) and GABA in the NACSh and specify the involvement of GHS-R1A located in the ventral tegmental area (VTA) and nucleus accumbens (NAC)...
November 22, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29158048/enantiomer-specific-positive-allosteric-modulation-of-cb1-signaling-in-autaptic-hippocampal-neurons
#19
Jose Mitjavila, Danielle Yin, Pushkar M Kulkarni, Chiara Zanato, Ganesh A Thakur, Ruth Ross, Iain Greig, Ken Mackie, Alex Straiker
The cannabinoid signaling system is found throughout the CNS and its involvement in several pathological processes makes it an attractive therapeutic target. Because orthosteric CB1 cannabinoid receptor ligands have undesirable adverse effects there has been great interest in the development of allosteric modulators - both negative (NAMs) and positive (PAMs) - of these receptors. NAMs of CB1 appeared first on the scene, followed more recently by PAMs. Because allosteric modulation can vary depending on the orthosteric ligand it is important to study their function in a system that employs endogenous cannabinoids...
November 17, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29143869/peripheral-endocannabinoid-concentrations-are-not-associated-with-verbal-memory-impairment-during-mdma-intoxication
#20
E Haijen, M Farre, R de la Torre, A Pastor, E Olesti, N Pizarro, J G Ramaekers, K P C Kuypers
BACKGROUND: Preclinical data have suggested involvement of the endocannabinoid (eCB) system in MDMA-induced memory impairment. Clinical research has shown that blockade of the 5-HT2 receptor nulls memory impairment during MDMA intoxication. Interestingly, studies have demonstrated that the eCB and the 5-HT system interact. It was hypothesized that MDMA would cause an increase in eCB concentrations together with a decrease in memory performance, and that combining MDMA with a 5-HT2 receptor blocker ketanserin would lead to a counteraction of the MDMA effects on eCB concentrations and memory...
November 16, 2017: Psychopharmacology
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