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Content archived on 2024-06-18

Cannabinoid receptors CB1 in schizophrenia: role of brain mitochondrial activity and astroglial signalling

Objective

"Schizophrenia is a severe psychiatric disorder characterized by a series of ""positive"" and ""negative"" symptoms, which eventually lead to strong sufferance, social isolation and occupational impairment. Via activation of type-1 cannabinoid receptors (CB1), cannabinoids are known to induce schizophrenic-like symptoms, which are major caveats in the possible therapeutic use of these compounds. On the other hand, mitochondria-dependent regulation of brain bioenergetics is emerging as a promising novel research path in the field of psychopathology of schizophrenia. Previous results suggest the implication of mitochondrial (mtCB1) and astrocytic-CB1 receptors in psychotic-like conditions. However the precise molecular and cellular links between ECS activity and schizophrenia are not known. The aim of this study is to test whether mithocondrial and/or astrocytic CB1 receptors represent a functional link between endocannabinoid signalling in the brain and psychotic-like behaviours. (1) Firstly, the project will be dedicated to the generation of specific genetic tools to clearly discriminate mtCB1 from other CB1 receptor locations in the cell. (2) Then, these specific tools and specific transgenic mice will be used to investigate the role of mtCB1 and astrocytic-CB1 receptor in ""psychosis-like"" effects of cannabinoid drugs, and (3) to study the role of these receptors in a schizophrenia-like mouse model. This project will improve our understanding of the pathophysiology of psychotic-like disorders and might pave the way to novel therapeutic opportunities to improve the life of patients."

Fields of science (EuroSciVoc)

Topic(s)

Call for proposal

FP7-PEOPLE-2013-IEF
See other projects for this call

Funding Scheme

MC-IEF - Intra-European Fellowships (IEF)

Coordinator

INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE
EU contribution
€ 194 046,60
Address
RUE DE TOLBIAC 101
75654 Paris
France
Region
Ile-de-France Ile-de-France Paris
Activity type
Research Organisations
Links
Total cost
No data