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Endocannabinoid system

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https://www.readbyqxmd.com/read/28448548/altered-striatal-endocannabinoid-signaling-in-a-transgenic-mouse-model-of-spinocerebellar-ataxia-type-3
#1
Carmen Rodríguez-Cueto, Mariluz Hernández-Gálvez, Cecilia J Hillard, Patricia Maciel, Sara Valdeolivas, José A Ramos, María Gómez-Ruiz, Javier Fernández-Ruiz
Spinocerebellar ataxia type-3 (SCA-3) is the most prevalent autosomal dominant inherited ataxia. We recently found that the endocannabinoid system is altered in the post-mortem cerebellum of SCA-3 patients, and similar results were also found in the cerebellar and brainstem nuclei of a SCA-3 transgenic mouse model. Given that the neuropathology of SCA-3 is not restricted to these two brain regions but rather, it is also evident in other structures (e.g., the basal ganglia), we studied the possible changes to endocannabinoid signaling in the striatum of these transgenic mice...
2017: PloS One
https://www.readbyqxmd.com/read/28446954/comment-on-the-effect-of-endocannabinoid-system-on-rat-behavior
#2
COMMENT
Ali Roohbakhsh
No abstract text is available yet for this article.
January 2017: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/28440188/trp-channels-as-novel-targets-for-endogenous-ligands-focus-on-endocannabinoids-and-nociceptive-signalling
#3
Maksim V Storozhuk, Alexander V Zholos
The endocannabinoid system is gaining steadily increasing research interest as its important role in the regulation of many fundamental physiological processes becomes more and more evident. One area which received particularly significant attention concerns targeting the endocannabinoid system as a useful strategy in pain control, especially in refractory, difficult to treat cases of chronic pain. Apart from the classical targets of cannabinoids, the CB1 and CB2 receptors, several members of the large TRP family of Ca2+-permeable cation channels have been designated as "ionotropic cannabinoid receptors" to highlight their role in cannabinoid signalling...
April 24, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28439004/endocannabinoid-system-acts-as-a-regulator-of-immune-homeostasis-in-the-gut
#4
Nandini Acharya, Sasi Penukonda, Tatiana Shcheglova, Adam T Hagymasi, Sreyashi Basu, Pramod K Srivastava
Endogenous cannabinoids (endocannabinoids) are small molecules biosynthesized from membrane glycerophospholipid. Anandamide (AEA) is an endogenous intestinal cannabinoid that controls appetite and energy balance by engagement of the enteric nervous system through cannabinoid receptors. Here, we uncover a role for AEA and its receptor, cannabinoid receptor 2 (CB2), in the regulation of immune tolerance in the gut and the pancreas. This work demonstrates a major immunological role for an endocannabinoid. The pungent molecule capsaicin (CP) has a similar effect as AEA; however, CP acts by engagement of the vanilloid receptor TRPV1, causing local production of AEA, which acts through CB2...
April 24, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28438413/functional-redundancy-between-canonical-endocannabinoid-signaling-systems-in-the-modulation-of-anxiety
#5
Gaurav Bedse, Nolan D Hartley, Emily Neale, Andrew D Gaulden, Toni A Patrick, Philip J Kingsley, Md Jashim Uddin, Niels Plath, Lawrence J Marnett, Sachin Patel
BACKGROUND: Increasing the available repertoire of effective treatments for mood and anxiety disorders represents a critical unmet need. Pharmacological augmentation of endogenous cannabinoid (eCB) signaling has been suggested to represent a novel approach to the treatment of anxiety disorders; however, the functional interactions between two canonical eCB pathways mediated via anandamide (N-arachidonylethanolamine [AEA]) and 2-arachidonoylglycerol (2-AG) in the regulation of anxiety are not well understood...
March 15, 2017: Biological Psychiatry
https://www.readbyqxmd.com/read/28436760/diabetes-management-by-probiotics-current-knowledge-and-future-pespective
#6
Aziz Homayouni-Rad, Ahmad-Reza Soroush, Leila Khalili, Leila Norouzi-Panahi, Zahra Kasaie, Hanieh-Sadat Ejtahed
Diabetes mellitus, a multifactorial disorder, is related to the intestinal microbiota via numerous molecular mechanisms. The vast increase in the prevalence of diabetes and its associated complications requires a natural and safe solution. There is a growing evidence of gut microbiota effi ciency in improving insulin resistance, impaired insulin secretion, and metabolic complications in diabetic patients. Probiotics are defi ned as live microorganisms that, when ingested in adequate amounts, exert health benefi ts to the host...
April 24, 2017: International Journal for Vitamin and Nutrition Research. Journal International de Vitaminologie et de Nutrition
https://www.readbyqxmd.com/read/28434840/exercise-versus-targeting-of-endocannabinoid-system-for-atheromatic-plaque-stabilization-opposing-or-complementary-roles
#7
EDITORIAL
Konstantinos Toutouzas, Antonios Karanasos, Dimitris Tousoulis
No abstract text is available yet for this article.
April 18, 2017: Hellenic Journal of Cardiology: HJC, Hellēnikē Kardiologikē Epitheōrēsē
https://www.readbyqxmd.com/read/28434588/the-endocannabinoid-system-as-a-target-for-novel-anxiolytic-drugs
#8
REVIEW
Sachin Patel, Mathew N Hill, Joseph F Cheer, Carsten T Wotjak, Andrew Holmes
The endocannabinoid (eCB) system has attracted attention for its role in various behavioral and brain functions, and as a therapeutic target in neuropsychiatric disease states, including anxiety disorders and other conditions resulting from dysfunctional responses to stress. In this mini-review, we highlight components of the eCB system that offer potential 'druggable' targets for new anxiolytic medications, emphasizing some of the less well-discussed options. We discuss how selectively amplifying eCBs recruitment by interfering with eCB-degradation, via fatty acid amide hydrolase (FAAH) and monoacylglycerol lipase (MAGL), has been linked to reductions in anxiety-like behaviors in rodents and variation in human anxiety symptoms...
May 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28431968/cannabinoid-cb1-and-cb2-receptors-differentially-modulate-l-and-t-type-ca-2-channels-in-rat-retinal-ganglion-cells
#9
Wen-Jing Qian, Ning Yin, Feng Gao, Yanying Miao, Qian Li, Fang Li, Xing-Huai Sun, Xiong-Li Yang, Zhongfeng Wang
Endocannabinoid signaling system is involved in regulating multiple neuronal functions in the central nervous system by activating G-protein coupled cannabinoid CB1 and CB2 receptors (CB1Rs and CB2Rs). Growing evidence has shown that CB1Rs and CB2Rs are extensively expressed in retinal ganglion cells (RGCs). Here, modulation of L- and T-types Ca(2+) channels by activating CB1Rs and CB2Rs in RGCs was investigated. Triple immunofluorescent staining showed that L-type subunit CaV1.2 was co-localized with T-type subunits (CaV3...
April 18, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28429843/pooled-analysis-of-three-randomized-double-blind-placebo-controlled-trials-with-rimonabant-for-smoking-cessation
#10
Jason D Robinson, Paul M Cinciripini, Maher Karam-Hage, Henri-Jean Aubin, Lowell C Dale, Raymond Niaura, Robert M Anthenelli
Despite the withdrawal of CB1 antagonists, such as rimonabant, from the market and from active clinical development because of concerns about their side effect profiles, research suggests that the endocannabinoid system may play an important role in modulating nicotine's effects. We report the combined results, using a pooled analysis, of three previously unpublished trials assessing rimonabant as a smoking cessation pharmacotherapy conducted between 2002 and 2004. Smokers (n = 2097) motivated to quit were enrolled in three randomized, double-blind, placebo-controlled trials, STRATUS EU, US, and META, which consisted of a 10-week treatment period with either rimonabant 20 mg (n = 789), 5 mg (n = 518; used in only two of the three studies), or placebo (n = 790), in conjunction with brief counseling...
April 21, 2017: Addiction Biology
https://www.readbyqxmd.com/read/28428264/cb1-cannabinoid-receptor-drives-oocyte-maturation-and-embryo-development-via-pi3k-akt-and-mapk-pathways
#11
Angela Patricia López-Cardona, Serafín Pérez-Cerezales, Raúl Fernández-González, Ricardo Laguna-Barraza, Eva Pericuesta, Naiara Agirregoitia, Alfonso Gutiérrez-Adán, Ekaitz Agirregoitia
Endocannabinoids have been recognized as mediators of practically all reproductive events in mammals. However, little is known about the role of this system in oocyte maturation. In a mouse model, we observed that activation of the cannabinoid receptor (CB)1 during in vitro oocyte maturation modulated the phosphorylation status of Akt and ERK1/2 and enhanced the subsequent embryo production. In the absence of the CB1 receptor, in vivo oocyte maturation was impaired and embryo development delayed. The CB2 receptor was unable to rescue these effects...
April 20, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28425013/cannabinoids-as-modulators-of-cell-death-clinical-applications-and-future-directions
#12
B M Fonseca, N A Teixeira, G Correia-da-Silva
Endocannabinoids are bioactive lipids that modulate various physiological processes through G-protein-coupled receptors (CB1 and CB2) and other putative targets. By sharing the activation of the same receptors, some phytocannabinoids and a multitude of synthetic cannabinoids mimic the effects of endocannabinoids. In recent years, a growing interest has been dedicated to the study of cannabinoids properties for their analgesic, antioxidant, anti-inflammatory and neuroprotective effects. In addition to these well-recognized effects, various studies suggest that cannabinoids may affect cell survival, cell proliferation or cell death...
April 20, 2017: Reviews of Physiology, Biochemistry and Pharmacology
https://www.readbyqxmd.com/read/28422760/cannabinoid-cb1-receptor-overactivity-contributes-to-the-pathogenesis-of-idiopathic-pulmonary-fibrosis
#13
Resat Cinar, Bernadette R Gochuico, Malliga R Iyer, Tony Jourdan, Tadafumi Yokoyama, Joshua K Park, Nathan J Coffey, Hadass Pri-Chen, Gergő Szanda, Ziyi Liu, Ken Mackie, William A Gahl, George Kunos
Idiopathic pulmonary fibrosis (IPF) is a life-threatening disease without effective treatment, highlighting the need for identifying new targets and treatment modalities. The pathogenesis of IPF is complex, and engaging multiple targets simultaneously might improve therapeutic efficacy. To assess the role of the endocannabinoid/cannabinoid receptor 1 (endocannabinoid/CB1R) system in IPF and its interaction with inducible nitric oxide synthase (iNOS) as dual therapeutic targets, we analyzed lung fibrosis and the status of the endocannabinoid/CB1R system and iNOS in mice with bleomycin-induced pulmonary fibrosis (PF) and in lung tissue and bronchoalveolar lavage fluid (BALF) from patients with IPF, as well as controls...
April 20, 2017: JCI Insight
https://www.readbyqxmd.com/read/28412921/synthetic-cannabinoids-psychopharmacology-clinical-aspects-and-psy-chotic-onset
#14
Giovanni Martinotti, Rita Santacroce, Duccio Papanti, Yasmine Elgharably, Mariya Prilutskaya, Ornella Corazza
Synthetic Cannabinoids (SC) are the widest and most diffused class of Novel Psychoactive Substances. SC are chemically heterogeneous and structurally dissimilar from delta-9-tetrahydrocannabinol, being full agonists of the endocannabinoid system receptors CB1 and CB2. Desired effects include euphoria, talkativeness, feelings of joy and laughter, relaxation. With respect to cannabis, SC intake may also be associated with quicker arise of the effects, shorter duration of action, and larger levels of hangover...
April 13, 2017: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/28412917/is-there-a-teratogenicity-risk-associated-with-cannabis-and-synthetic-cannabimimetics-spice-intake
#15
Laura Orsolini, Duccio Papanti, John Corkery, Maria Antonietta De Luca, Cristina Cadoni, Gaetano Di Chiara, Fabrizio Schifano
BACKGROUND: Substance use, including cannabis, has been documented amongst women both in the pre-conception period and during pregnancy, particularly during the 1st trimester, which is clearly the most critical period in the organogenesis. The recent emergence on the drug market of synthetic cannabimimetics/SC ('spice') may represent a new challenge for clinicians. OBJECTIVE: A literature overview on the teratogenicity profile of both cannabis and synthetic cannabimimetics was here carried out...
April 13, 2017: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/28412500/the-major-neurotransmitter-systems-in-the-basolateral-amygdala-and-the-ventral-tegmental-area-mediate-morphine-induced-memory-consolidation-impairment
#16
Khadijeh Alsadat Sharifi, Ameneh Rezayof, Anahita Torkaman-Boutorabi, Mohammad-Reza Zarrindast
In the present study, we investigated the possible participation of the endocannabinoid system in the basolateral amygdala and N-methyl-d-aspartate (NMDA) or GABA-A receptor neurotransmission in the ventral tegmental area in the memory consolidation impairment induced by morphine administration. To measure memory formation, step-through type passive avoidance apparatus was used with adult male Wistar rats. The results showed that intraperitoneal (i.p.) administration of morphine (3 and 6mg/kg) after the successful training phase had an amnestic effect and induced memory consolidation impairment...
April 12, 2017: Neuroscience
https://www.readbyqxmd.com/read/28412017/the-endocannabinoid-system-a-novel-and-key-participant-in-acupuncture-s-multiple-beneficial-effects
#17
REVIEW
Bo Hu, Fuhai Bai, Lize Xiong, Qiang Wang
Acupuncture and its modified forms have been used to treat multiple medical conditions, but whether the diverse effects of acupuncture are intrinsically linked at the cellular and molecular level and how they might be connected have yet to be determined. Recently, an emerging role for the endocannabinoid system (ECS) in the regulation of a variety of physiological/pathological conditions has been identified. Overlap between the biological and therapeutic effects induced by ECS activation and acupuncture has facilitated investigations into the participation of ECS in the acupuncture-induced beneficial effects, which have shed light on the idea that the ECS may be a primary mediator and regulatory factor of acupuncture's beneficial effects...
April 12, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28404744/the-role-of-cb1-in-intestinal-permeability-and-inflammation
#18
Mustafa A Karwad, Daniel G Couch, Elena Theophilidou, Sarir Sarmad, David A Barrett, Michael Larvin, Karen L Wright, Jonathan N Lund, Saoirse E O'Sullivan
The endocannabinoid system has previously been shown to play a role in the permeability and inflammatory response of the human gut. The goal of our study was to determine the effects of endogenous anandamide (AEA) and 2-arachidonoyl glycerol (2-AG) on the permeability and inflammatory response of intestinal epithelium under normal, inflammatory, and hypoxic conditions. Human intestinal mucosa was modeled using Caco-2 cells. Human tissue was collected from planned colorectal resections. Accumulation of AEA and 2-AG was achieved by inhibiting their metabolizing enzymes URB597 (a fatty acid amide hydrolase inhibitor) and JZL184 (a monoacylglycerol lipase inhibitor)...
April 12, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28392485/prefrontal-endocannabinoids-stress-controllability-and-resilience-a-hypothesis
#19
REVIEW
Nicholas B Worley, Matthew N Hill, John P Christianson
Stressor exposure is a predisposing risk factor for many psychiatric conditions such as PTSD and depression. However, stressors do not influence all individuals equally and in response to an identical stressor some individuals may be vulnerable while others are resilient. While various biological and behavioral factors contribute to vulnerability versus resilience, an individual's degree of control over the stressor is among the most potent. Even with only one experience with control over stress, behavioral control has been shown to have acute and long-lasting stress-mitigating effects...
April 7, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28392296/anxious-behavior-induces-elevated-hippocampal-cb2-receptor-gene-expression
#20
James M Robertson, Justin K Achua, Justin P Smith, Melissa A Prince, Clarissa D Staton, Patrick J Ronan, Tangi R Summers, Cliff H Summers
Anxiety is differentially expressed across a continuum of stressful/fearful intensity, influenced endocannabinoid systems and receptors. The hippocampus plays important roles in the regulation of affective behavior, emotion, and anxiety, as well as memory. Location of Cb1/Cb2 receptor action could be important in determining emotional valence, because while the dorsal hippocampus is involved in spatial memory and cognition, the ventral hippocampus has projections to the PFC, BNST, amygdala, and HPA axis, and is important for emotional responses to stress...
April 7, 2017: Neuroscience
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