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https://www.readbyqxmd.com/read/28730283/blockade-of-alcohol-escalation-and-relapse-drinking-by-pharmacological-faah-inhibition-in-male-and-female-c57bl-6j-mice
#1
Yan Zhou, Benjamin I Schwartz, Joanna Giza, Steven S Gross, Francis S Lee, Mary Jeanne Kreek
BACKGROUND: Anandamide (AEA)-dependent signaling is regulated by the catabolic enzyme fatty acid amide hydrolase (FAAH). Several lines of evidence have demonstrated that FAAH and AEA are involved in the behavioral effects of alcohol. Therefore, we investigated whether a selective FAAH inhibitor, URB597 (cyclohexylcarbamic acid 3'-[aminocarbonyl]-[1,1'-biphenyl]-3-yl ester), altered alcohol intake in mice in a voluntary alcohol drinking model. METHODS: Mice, subjected to 3 weeks of chronic intermittent access (IA) in a two-bottle choice paradigm with 24-h access every other day, developed rapid escalation of alcohol intake and high preference...
July 20, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28726298/faah-but-not-magl-inhibition-modulates-acute-tlr3-induced-neuroimmune-signaling-in-the-rat-independent-of-sex
#2
Lisa E Flannery, Rebecca J Henry, Daniel M Kerr, David P Finn, Michelle Roche
Toll-like receptor (TLR)3 is a key component of the innate immune response to viral infection. The present study firstly examined whether sex differences exist in TLR3-induced inflammatory, endocrine, and sickness responses. The data revealed that TLR3-induced expression of interferon- or NFkB-inducible genes (IFN-α/β, IP-10, or TNF-α), either peripherally (spleen) or centrally (hypothalamus), did not differ between male and female rats, with the exception of TLR3-induced IFN-α expression in the spleen of female, but not male, rats 8 hr post TLR3 activation...
July 20, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/28695708/targeting-fatty-acid-amide-hydrolase-and-transient-receptor-potential-vanilloid-1-simultaneously-to-modulate-colonic-motility-and-visceral-sensation-in-the-mouse-a-pharmacological-intervention-with-n-arachidonoyl-serotonin-aa-5-ht
#3
M Bashashati, J Fichna, F Piscitelli, R Capasso, A A Izzo, A Sibaev, J-P Timmermans, N Cenac, N Vergnolle, V Di Marzo, M Storr
BACKGROUND: Endocannabinoid anandamide (AEA) inhibits intestinal motility and visceral pain, but it may also be proalgesic through transient receptor potential vanilloid-1 (TRPV1). AEA is degraded by fatty acid amide hydrolase (FAAH). This study explored whether dual inhibition of FAAH and TRPV1 reduces diarrhea and abdominal pain. METHODS: Immunostaining was performed on myenteric plexus of the mouse colon. The effects of the dual FAAH/TRPV1 inhibitor AA-5-HT on electrically induced contractility, excitatory junction potential (EJP) and fast (f) and slow (s) inhibitory junction potentials (IJP) in the mouse colon, colonic propulsion and visceromotor response (VMR) to rectal distension were studied...
July 11, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28673548/inhibition-of-the-endocannabinoid-regulating-enzyme-monoacylglycerol-lipase-elicits-a-cb1-receptor-mediated-discriminative-stimulus-in-mice
#4
Robert A Owens, Mohammed A Mustafa, Bogna M Ignatowska-Jankowska, M Imad Damaj, Patrick M Beardsley, Jenny L Wiley, Micah J Niphakis, Benjamin F Cravatt, Aron H Lichtman
Substantial challenges exist for investigating the cannabinoid receptor type 1 (CB1)-mediated discriminative stimulus effects of the endocannabinoids, 2-arachidonoylglycerol (2-AG) and N-arachidonoylethanolamine (anandamide; AEA), compared with exogenous CB1 receptor agonists, such as Δ(9)-tetrahydrocannabinol (THC) and the synthetic cannabinoid CP55,940. Specifically, each is rapidly degraded by the respective hydrolytic enzymes, monoacylglycerol lipase (MAGL) and fatty acid amide hydrolase (FAAH). Whereas MAGL inhibitors partially substitute for THC and fully substitute for CP55,940, FAAH inhibitors do not substitute for either drug...
June 30, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28667676/cannabinoids-prevent-the-differential-long-term-effects-of-exposure-to-severe-stress-on-hippocampal-and-amygdala-dependent-memory-and-plasticity
#5
Noa Shoshan, Amir Segev, Hila Abush, Tomer Mizrachi Zer-Aviv, Irit Akirav
Exposure to excessive or uncontrolled stress is a major factor associated with various diseases including posttraumatic stress disorder (PTSD). The consequences of exposure to trauma are affected not only by aspects of the event itself, but also by the frequency and severity of trauma reminders. It was suggested that in PTSD, hippocampal-dependent memory is compromised while amygdala-dependent memory is strengthened. Several lines of evidence support the role of the endocannabinoid (eCB) system as a modulator of the stress response...
July 1, 2017: Hippocampus
https://www.readbyqxmd.com/read/28663121/the-effects-of-enhancing-endocannabinoid-signaling-and-blocking-corticotrophin-releasing-factor-receptor-in-the-amygdala-and-hippocampus-on-the-consolidation-of-a-stressful-event
#6
Nurit Aisenberg, Lidia Serova, Esther L Sabban, Irit Akirav
Current clinical and pre-clinical data suggest that both cannabinoid agents and blockage of CRF through corticotrophin releasing factor receptor type 1 (CRFr1) may offer therapeutic benefits for post-traumatic stress disorder (PTSD). Here we aim to determine whether they are more effective when combined when microinjected into the basolateral amygdala (BLA) or CA1 area of the hippocampus after exposure to a stressful event in the shock/reminders rat model for PTSD. Injection of the fatty acid amide hydrolase (FAAH) inhibitor URB597 after the shock into either the BLA or CA1 facilitated extinction, and attenuated startle response and anxiety-like behavior...
June 26, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28660903/finding-fault-with-bial-s-fatal-faah-inhibitor
#7
Asher Mullard
No abstract text is available yet for this article.
June 29, 2017: Nature Reviews. Drug Discovery
https://www.readbyqxmd.com/read/28660730/fatty-acid-amide-hydrolase-faah-inactivation-confers-enhanced-sensitivity-to-nicotine-induced-dopamine-release-in-the-mouse-nucleus-accumbens
#8
Francisco J Pavon, Antonia Serrano, Nimish Sidhpura, Ilham Polis, David Stouffer, Fernando Rodriguez de Fonseca, Benjamin F Cravatt, Rémi Martin-Fardon, Loren H Parsons
Nicotine exerts its rewarding effects by promoting an increase in dopamine (DA) release in the nucleus accumbens (NAc), and this process is influenced by the endocannabinoid system. Fatty acid amide hydrolase (FAAH) is the main enzyme responsible for the degradation of the endocannabinoid anandamide and other non-cannabinoid N-acylethanolamines. Previous research has reported that both genetic deletion and pharmacological inhibition of FAAH enhance nicotine-induced conditioned place preference at low doses...
June 29, 2017: Addiction Biology
https://www.readbyqxmd.com/read/28633967/the-effects-of-chronic-faah-inhibition-on-myocardial-lipid-metabolism-in-normotensive-and-doca-salt-hypertensive-rats
#9
Agnieszka Polak, Ewa Harasim-Symbor, Barbara Malinowska, Irena Kasacka, Anna Pędzińska-Betiuk, Jolanta Weresa, Adrian Chabowski
AIMS: There is significant evidence that the endocannabinoid system (ECS) takes part in the regulation of the cardiovascular system in hypertension. It is quite well established that hypertension causes several changes in the heart metabolism, but it is still unknown whether the ECS affects this process. Therefore, we investigated the influence of prolonged ECS activation on myocardial lipid metabolism in deoxycorticosterone acetate (DOCA)-salt hypertensive rats by chronic fatty acid amide hydrolase (FAAH) inhibition...
June 17, 2017: Life Sciences
https://www.readbyqxmd.com/read/28611585/role-of-n-arachidonoyl-serotonin-aa-5-ht-in-sleep-wake-cycle-architecture-sleep-homeostasis-and-neurotransmitters-regulation
#10
Eric Murillo-Rodríguez, Vincenzo Di Marzo, Sergio Machado, Nuno B Rocha, André B Veras, Geraldo A M Neto, Henning Budde, Oscar Arias-Carrión, Gloria Arankowsky-Sandoval
The endocannabinoid system comprises several molecular entities such as endogenous ligands [anandamide (AEA) and 2-arachidonoylglycerol (2-AG)], receptors (CB1 and CB2), enzymes such as [fatty acid amide hydrolase (FAHH) and monoacylglycerol lipase (MAGL)], as well as the anandamide membrane transporter. Although the role of this complex neurobiological system in the sleep-wake cycle modulation has been studied, the contribution of the blocker of FAAH/transient receptor potential cation channel subfamily V member 1 (TRPV1), N-arachidonoyl-serotonin (AA-5-HT) in sleep has not been investigated...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28596366/activity-based-protein-profiling-reveals-off-target-proteins-of-the-faah-inhibitor-bia-10-2474
#11
Annelot C M van Esbroeck, Antonius P A Janssen, Armand B Cognetta, Daisuke Ogasawara, Guy Shpak, Mark van der Kroeg, Vasudev Kantae, Marc P Baggelaar, Femke M S de Vrij, Hui Deng, Marco Allarà, Filomena Fezza, Zhanmin Lin, Tom van der Wel, Marjolein Soethoudt, Elliot D Mock, Hans den Dulk, Ilse L Baak, Bogdan I Florea, Giel Hendriks, Luciano De Petrocellis, Herman S Overkleeft, Thomas Hankemeier, Chris I De Zeeuw, Vincenzo Di Marzo, Mauro Maccarrone, Benjamin F Cravatt, Steven A Kushner, Mario van der Stelt
A recent phase 1 trial of the fatty acid amide hydrolase (FAAH) inhibitor BIA 10-2474 led to the death of one volunteer and produced mild-to-severe neurological symptoms in four others. Although the cause of the clinical neurotoxicity is unknown, it has been postulated, given the clinical safety profile of other tested FAAH inhibitors, that off-target activities of BIA 10-2474 may have played a role. Here we use activity-based proteomic methods to determine the protein interaction landscape of BIA 10-2474 in human cells and tissues...
June 9, 2017: Science
https://www.readbyqxmd.com/read/28583049/n-arachidonoyl-serotonin-a-dual-faah-and-trpv1-blocker-inhibits-the-retrieval-of-contextual-fear-memory-role-of-the-cannabinoid-cb1-receptor-in-the-dorsal-hippocampus
#12
Pedro H Gobira, Isabel V Lima, Luara A Batista, Antônio C de Oliveira, Leonardo B Resstel, Carsten T Wotjak, Daniele C Aguiar, Fabricio A Moreira
Anandamide, an endocannabinoid, inhibits aversive responses by activating the CB1 cannabinoid receptor. At high concentrations, however, anandamide may exert pro-aversive activities mediated by the transient receptor potential vanilloid type-1 channel (TRPV1). Accordingly, N-arachidonoyl-serotonin (AA-5-HT), a dual blocker of the anandamide-hydrolysing enzyme fatty acid amide hydrolase (FAAH) and the TRPV1 channel, induces anxiolytic-like effects. Here we tested the hypothesis that AA-5-HT inhibits the expression of contextual fear conditioning by facilitating CB1 receptor signalling in the dorsal hippocampus of mice...
June 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/28579484/acylethanolamides-and-endocannabinoid-signaling-system-in-dorsal-striatum-of-rats-exposed-to-perinatal-asphyxia
#13
Mariana I Holubiec, Juan I Romero, Eduardo Blanco, Tamara Logica Tornatore, Juan Suarez, Fernando Rodríguez de Fonseca, Pablo Galeano, Francisco Capani
Endocannabinoids (eCBs) and acylethanolamides (AEs) have lately received more attention due to their neuroprotective functions in neurological disorders. Here we analyze the alterations induced by perinatal asphyxia (PA) in the main metabolic enzymes and receptors of the eCBs/AEs in the dorsal striatum of rats. To induce PA, we used a model developed by Bjelke et al. (1991). Immunohistochemical techniques were carried out to determine the expression of neuronal and glial markers (NeuN and GFAP), eCBs/AEs synthesis and degradation enzymes (DAGLα, NAPE-PLD and FAAH) and their receptors (CB1 and PPARα)...
July 13, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28577869/polyunsaturated-fatty-acids-differentially-modulate-cell-proliferation-and-endocannabinoid-system-in-two-human-cancer-lines
#14
Repossi Gastón, Pasqualini María Eugenia, Undurti N Das, Aldo R Eynard
BACKGROUND AND AIMS: Evidence suggests that quantity and quality of dietary polyunsaturated fatty acids (PUFAs) play a role in the development of cancer. However, the mechanisms involved in this interaction(s) are not clear. Endocannabinoids are lipid metabolites known to have growth modulatory actions. We studied the effect of supplementation with PUFAs ω-6 and ω-3 (essential fatty acids, EFAs), saturated and monounsaturated fatty acids (non-EFAs) on the growth of tumor cells and modifications in their endocannabinoid content...
January 2017: Archives of Medical Research
https://www.readbyqxmd.com/read/28570479/sensitization-of-c-fiber-nociceptors-in-mice-with-sickle-cell-disease-is-decreased-by-local-inhibition-of-anandamide-hydrolysis
#15
Megan L Uhelski, Kalpna Gupta, Donald A Simone
Chronic pain and hyperalgesia, as well as pain resulting from episodes of vaso-occlusion, are characteristic features of sickle cell disease (SCD) and are difficult to treat. Since there is growing evidence that increasing local levels of endocannabinoids can decrease hyperalgesia, we examined the effects of URB597, a fatty acid amide hydrolase (FAAH) inhibitor, which blocks the hydrolysis of the endogenous cannabinoid anandamide, on hyperalgesia and sensitization of cutaneous nociceptors in a humanized mouse model of SCD...
May 31, 2017: Pain
https://www.readbyqxmd.com/read/28549792/endocannabinoids-modulate-apoptosis-in-endometriosis-and-adenomyosis
#16
Elif Bilgic, Elif Guzel Meydanli, Sevil Kose, Makbule Cisel Aydin, Eda Karaismailoglu, Irem Akar, Alp Usubutun, Petek Korkusuz
Adenomyosis that is a form of endometriosis is the growth of ectopic endometrial tissue within the muscular wall of the uterus (myometrium), which may cause dysmenorrhea and infertility. Endocannabinoid mediated apoptotic mechanisms of endometriosis and adenomyosis are not known. We hypothesized that the down regulation of endocannabinoid receptors and/or alteration in their regulatory enzymes may have a direct role in the pathogenesis of endometriosis and adenomyosis through apoptosis. Endocannabinoid receptors CB1 and CB2, their synthesizing and catabolizing enzymes (FAAH, NAPE-PLD, DAGL, MAGL) and the apoptotic indexes were immunohistochemically assessed in endometriotic and adenomyotic tissues...
May 23, 2017: Acta Histochemica
https://www.readbyqxmd.com/read/28545594/early-blockade-of-joint-inflammation-with-a-fatty-acid-amide-hydrolase-inhibitor-decreases-end-stage-osteoarthritis-pain-and-peripheral-neuropathy-in-mice
#17
Jason J McDougall, Milind M Muley, Holly T Philpott, Allison Reid, Eugene Krustev
BACKGROUND: The endocannabinoid system has been shown to reduce inflammatory flares and pain in rodent models of arthritis. A limitation of endocannabinoids is that they are rapidly denatured by hydrolysing enzymes such as fatty acid amide hydrolase (FAAH) which renders them physiologically inert. Osteoarthritis (OA) is primarily a degenerative joint disease; however, it can incorporate mild inflammation and peripheral neuropathy. The aim of this study was to determine whether early blockade of FAAH bioactivity could reduce OA-associated inflammation and joint neuropathy...
May 25, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28535469/novel-propanamides-as-fatty-acid-amide-hydrolase-inhibitors
#18
Alessandro Deplano, Carmine Marco Morgillo, Monica Demurtas, Emmelie Björklund, Mariateresa Cipriano, Mona Svensson, Sanaz Hashemian, Giovanni Smaldone, Emilia Pedone, F Javier Luque, Maria G Cabiddu, Ettore Novellino, Christopher J Fowler, Bruno Catalanotti, Valentina Onnis
Fatty acid amide hydrolase (FAAH) has a key role in the control of the cannabinoid signaling, through the hydrolysis of the endocannabinoids anandamide and in some tissues 2-arachidonoylglycerol. FAAH inhibition represents a promising strategy to activate the cannabinoid system, since it does not result in the psychotropic and peripheral side effects characterizing the agonists of the cannabinoid receptors. Here we present the discovery of a novel class of profen derivatives, the N-(heteroaryl)-2-(4-((2-(trifluoromethyl)pyridin-4-yl)amino)phenyl)propanamides, as FAAH inhibitors...
May 12, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28534260/pharmacogenetics-of-cannabinoids
#19
Szymon Hryhorowicz, Michal Walczak, Oliwia Zakerska-Banaszak, Ryszard Słomski, Marzena Skrzypczak-Zielińska
Although the application of medical marijuana and cannabinoid drugs is controversial, it is a part of modern-day medicine. The list of diseases in which cannabinoids are promoted as a treatment is constantly expanding. Cases of significant improvement in patients with a very poor prognosis of glioma or epilepsy have already been described. However, the occurrence of side effects is still difficult to estimate, and the current knowledge of the therapeutic effects of cannabinoids is still insufficient. In our opinion, the answers to many questions and concerns regarding the medical use of cannabis can be provided by pharmacogenetics...
May 22, 2017: European Journal of Drug Metabolism and Pharmacokinetics
https://www.readbyqxmd.com/read/28501776/inhibition-of-senp3-by-urb597-ameliorates-neurovascular-unit-dysfunction-in-rats-with-chronic-cerebral-hypoperfusion
#20
Da-Peng Wang, Ke-Jia Liu, Graham Kasper, Qi Lin, Jian Hai
Disruption of the neurovascular unit (NVU), induced by chronic cerebral hypoperfusion (CCH), has been broadly found in various neurological disorders. SUMO-specific protease 3 (SENP3) is expressed in neurons, astrocytes, and microglia, and regulates a variety of cell events. However, whether SENP3 is involved in neurovascular injury under the condition of CCH is still elusive. To address this issue, we investigated the effect of the fatty acid amide hydrolase (FAAH) inhibitor URB597 on NVU and the role of SENP3 in this process, as well as the underling mechanisms...
July 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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