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Blood-brain barrier: from molecular mechanisms to intervention strategies

Descrizione del progetto

Un modello di pesce zebra della barriera ematoencefalica

La barriera ematoencefalica (BEE) è fondamentale per l’omeostasi cerebrale poiché definisce il transito molecolare e cellulare tra il cervello e il sistema circolatorio. Ciò è raggiunto attraverso comunicazioni complesse tra le cellule endoteliali e altri componenti del sistema neurovascolare. Per studiare la BEE, il progetto Ctrl-BBB, finanziato dall’UE, impiegherà il pesce zebra come modello vista la sua natura trasparente e la capacità di subire analisi genetiche non invasive. Considerato che la BEE proibisce la distribuzione dei farmaci nel sistema nervoso centrale, la comprensione del modo in cui è regolata svelerà nuove vie terapeutiche per diversi disordini che includono ictus, sclerosi multipla e neurodegenerazione.

Obiettivo

Brain endothelial cells (ECs) are endowed with a set of molecular and metabolic adaptations that stringently orchestrate the molecular and cellular transit between the brain and the circulatory system. These adaptations constitute the blood-brain barrier (BBB) and are pivotal to brain homeostasis and protection. Accordingly, BBB dysfunction is a unifying hallmark of many cerebrovascular diseases, including stroke, multiple sclerosis and neurodegeneration. Healing the BBB to treat to the brain is therefore emerging as a powerful therapeutic avenue for a spectrum of human CNS disorders. In addition, through its neuroprotective function, the BBB represents the main obstacle for CNS drug delivery. There is consequently an urgent need to identify methods to control BBB in health and disease. Of pivotal importance, BBB is not genetically hardwired, but instead results from ongoing neurovascular communications taking place between the ECs and the other components of the neurovascular unit. Shedding light on these communications, and raising our understanding to the mechanistic level will undoubtedly yield transformative therapeutic strategies for human brain disorders. A key obstacle in the study of BBB permeability resides in its complex regulation across cells and tissues. This complexity cannot be recapitulated in cell culture experiments. Our laboratory has recently identified and validated the transparent zebrafish as ideally suited to facilitate these studies, by empowering non-invasive genetic analyses of BBB function under normoxia. Together with a conserved BBB genetic instruction program, the zebrafish cerebrovasculature qualifies as a an alternative “miniature BBB model” where neurovascular communication can be studied at an unprecedented pace. Ctrl-BBB will pioneer synergistic approaches between the zebrafish and the mouse model, to bring BBB research in the era of highly parallel genetic approaches and BBB-focused therapeutic strategies for brain disorders.

Meccanismo di finanziamento

ERC-COG - Consolidator Grant

Istituzione ospitante

UNIVERSITE LIBRE DE BRUXELLES
Contribution nette de l'UE
€ 2 286 542,50
Indirizzo
AVENUE FRANKLIN ROOSEVELT 50
1050 Bruxelles / Brussel
Belgio

Mostra sulla mappa

Regione
Région de Bruxelles-Capitale/Brussels Hoofdstedelijk Gewest Région de Bruxelles-Capitale/ Brussels Hoofdstedelijk Gewest Arr. de Bruxelles-Capitale/Arr. Brussel-Hoofdstad
Tipo di attività
Higher or Secondary Education Establishments
Collegamenti
Costo totale
€ 2 286 542,50

Beneficiari (1)