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Contenido archivado el 2024-06-18

The function and dynamic of cholesterol during Plasmodium liver stage infection

Objetivo

Plasmodium parasites are the causative agents of malaria, amongst the most prevalent and severe human infectious diseases. Liver infection by Plasmodium sporozoites is the first obligatory step of malaria and a quite attractive target for prophylactic strategies against the disease. At this stage, each sporozoite invades a single hepatocyte and develops into thousands of merozoites that are released into the bloodstream. Preliminary results of the host laboratory clearly show that a hepatocyte receptor, SR-BI, plays a crucial role both in invasion and development of Plasmodium in the liver. In its physiological role, SR-BI is a central component of the cholesterol uptake by cells. Thus, the overall aim of this project is to reveal whether and how cholesterol uptake by SR-BI is critical for hepatocyte infection by Plasmodium. By using various cell biology approaches, we propose to: 1) describe the chronology of cholesterol requirements during the infection, 2) investigate the SR-BI and cholesterol organization and dynamic at the sporozoite-host cell interphase and 3) determine the role of SR-BI in delivering cholesterol for Plasmodium development inside hepatocytes. Achieving this plan of work will, hopefully, provide a rationale for a potential SR-BI/cholesterol-based anti-malarial prophylactic intervention, and contribute to the European excellence by reaching one of the main goals of the 7th Framework Programme regarding Action to Confront Infectious Diseases.

Ámbito científico (EuroSciVoc)

Palabras clave

Programa(s)

Tema(s)

Convocatoria de propuestas

FP7-PEOPLE-IEF-2008
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Régimen de financiación

MC-IEF - Intra-European Fellowships (IEF)

Coordinador

INSTITUTO DE MEDICINA MOLECULAR JOAO LOBO ANTUNES
Aportación de la UE
€ 148 048,66
Dirección
AVENIDA PROF EGAS MONIZ
1649 028 Lisboa
Portugal
Región
Continente Área Metropolitana de Lisboa Área Metropolitana de Lisboa
Tipo de actividad
Research Organisations
Enlaces
Coste total
Sin datos