CB1R ARRESTIN

Contribution of beta-arrestin-dependent receptor signaling to the physiological regulation of the endocannabinoid system

 Coordinatore SEMMELWEIS EGYETEM 

 Organization address address: Ulloi ut 26
city: BUDAPEST
postcode: 1085

contact info
Titolo: Prof.
Nome: Laszlo
Cognome: Hunyady
Email: send email
Telefono: 3612669180
Fax: 3612666504

 Nazionalità Coordinatore Hungary [HU]
 Totale costo 223˙578 €
 EC contributo 223˙578 €
 Programma FP7-PEOPLE
Specific programme "People" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
 Code Call FP7-PEOPLE-2009-IOF
 Funding Scheme MC-IOF
 Anno di inizio 2011
 Periodo (anno-mese-giorno) 2011-05-01   -   2015-02-28

 Partecipanti

# participant  country  role  EC contrib. [€] 
1    SEMMELWEIS EGYETEM

 Organization address address: Ulloi ut 26
city: BUDAPEST
postcode: 1085

contact info
Titolo: Prof.
Nome: Laszlo
Cognome: Hunyady
Email: send email
Telefono: 3612669180
Fax: 3612666504

HU (BUDAPEST) coordinator 223˙578.10

Mappa


 Word cloud

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therapeutic    dependent    stimulation    gpcrs    protein    regulation    endocannabinoid    anandamide    functions    implicated    function    receptors    neuropathic    movement    promising    cb    mediated    physiological    ag    coupled    obesity    elucidate    beta    disorders    enzymes    cannabinoid    mechanism    arrestin    cancer    signaling    endocannabinoids    molecular    pain    independent    pathways    at   

 Obiettivo del progetto (Objective)

The endocannabinoid system is composed of endocannabinoids, such as anandamide and 2-arachidonoylglycerol (2-AG), their metabolizing enzymes and cannabinoid receptors. To date, two cannabinoid receptors have been identified by molecular cloning, the CB1 and CB2 receptors. The endocannabinoid system has been implicated in a number of physiological functions, and pharmacological manipulation of this system is a promising therapeutic target in a large number of different diseases and conditions, including mood and movement disorders, obesity, neuropathic pain and cancer, etc. In neurons, release of endocannabinoids can be initiated by calcium signal or by stimulation of G-protein-coupled receptors (GPCRs). Anandamide production may be regulated by a number of lipid modulating enzymes, whereas 2-AG is produced by diacylglycerol-lipases (DAGLs). Stimulation of AT1 angiotensin II receptor and other Gq-coupled-receptors leads to DAGL dependent production of endocannabinoids, but the exact mechanism of this response has not been elucidated. The mechanism of action of GPCRs involves both G-protein-dependent and -independent pathways. G-protein-independent pathways are mediated by beta-arrestin-dependent scaffolding and regulation of signaling complexes. Although the role of these proteins during AT1R signaling is well documented, their function in the G-protein independent signaling of CB1R is not known. The aim of the present project is to elucidate the role of beta-arrestin mediated signaling in the regulation of endocannabinoid production, and to elucidate the role of G-protein-independent signaling in CB1R function. The proposed project includes in vitro studies using molecular biology techniques and in vivo experiments using genetically altered mouse models to elucidate these questions.

Introduzione (Teaser)

The cannabinoid system is implicated in many physiological functions of the human body. Cannabinoid receptors present a promising therapeutic target for a number of conditions, including psychological and movement disorders, obesity, neuropathic pain and cancer.

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