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MAL-ZOO

Financiado

The malaria zoo: dissecting cerebral malaria in three in vitro primate blood-bra...

The malaria zoo: dissecting cerebral malaria in three in vitro primate blood-brain barrier models Plasmodium falciparum cerebral malaria (CM) is the most severe complication during malaria infections. CM is associated with patient coma and blood-brain barrier (BBB) disruption resulting in brain swelling and patient death. In t... ver más

31/03/2025

EMBL

165K€

Presupuesto del proyecto: 165K€

Líder del proyecto

EUROPEAN MOLECULAR BIOLOGY LABORATORY No se ha especificado una descripción o un objeto social para esta compañía.

Financiación concedida El organismo HORIZON EUROPE notifico la concesión del proyecto el día 2022-08-01

Línea de financiación objetivo El proyecto se financió a través de la siguiente ayuda:

HORIZON-MSCA-2021-PF-01-01: MSCA Postdoctoral Fellowships 2021

I+D

Cerrada hace 3 años

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1 Participantes

EMBL

165.31K€ | Lider

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Últimas noticias

29-11-2024: IDAE En las últimas 48 horas el Organismo IDAE ha otorgado 4 concesiones

29-11-2024: ECE En las últimas 48 horas el Organismo ECE ha otorgado 2 concesiones

29-11-2024: CMVAMADRID En las últimas 48 horas el Organismo CMVAMADRID ha otorgado 37 concesiones

Duración del proyecto: 31 meses Fecha Inicio: 2022-08-01
Fecha Fin: 2025-03-31

Presupuesto del proyecto 165K€

Descripción del proyecto Plasmodium falciparum cerebral malaria (CM) is the most severe complication during malaria infections. CM is associated with patient coma and blood-brain barrier (BBB) disruption resulting in brain swelling and patient death. In the zoonotic malaria parasite P. knowlesi, CM is described in rhesus macaques but occurs neither in human infections nor in the natural long-tail macaque reservoir. Infected red blood cell cytoadhesion to endothelial cells and the release of parasite toxins have been described as pathogenic mechanisms of falciparum CM. Both factors are present in P. knowlesi in all three primate hosts, albeit at different levels and result in different clinical outcomes. Therefore, I hypothesize that the pathogenic mechanisms of CM in primates are host and parasite-specific. As in vivo studies are limited to post mortem samples, I aim to develop in MAL-ZOO novel microvascular 3D in vitro models of the human, rhesus macaque and long tail macaque BBB. I will adapt existing differentiation protocols for human induced pluripotent stem cells (iPSC) to generate macaque endothelial cells, astrocytes and pericytes, that will be introduced in a 3D microvascular model. Taking advantage of the microfluidic properties of the devices, I will characterize the dynamics of P. knowlesi cytoadhesion to the endothelium of the three hosts. Afterwards, I will measure the BBB pathogenicity of these two parasites by confocal microscopy, functional permeability assays and RNAseq transcriptional analysis and correlate it to the parasite cytoadhesion levels. The cross-species comparison will be used to highlight species-specific virulence factors during P. falciparum and P. knowlesi infections. This will improve our understanding of the mechanisms leading to P. falciparum CM in humans and the pathogenic potential of zoonotic P. knowlesi malaria.

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