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MEMBRANEATTACK

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Molecular and cellular imaging of membrane interactions in pathogen attack and i...

Molecular and cellular imaging of membrane interactions in pathogen attack and immune defense "The immune system and pathogens both use membrane pore-forming proteins to penetrate cellular membranes, in order to kill target cells or to allow passage of pathogenic organisms such as malaria parasites, listeria, or toxoplasma... ver más

31/05/2018

BIRKBECK COLLEGE...

2M€

Presupuesto del proyecto: 2M€

Líder del proyecto

BIRKBECK COLLEGE UNIVERSITY OF LONDON No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Fecha límite participación Sin fecha límite de participación.

Financiación concedida El organismo FP7 notifico la concesión del proyecto el día 2018-05-31 No tenemos la información de la convocatoria

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No hay información privada compartida para este proyecto. Habla con el coordinador.

1 Participantes

BIRKBECK COLLEGE UNIVERSITY...

0.00€ | Lider

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Líder del proyecto

BIRKBECK COLLEGE UNIVERSITY OF LONDON No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 2M€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto "The immune system and pathogens both use membrane pore-forming proteins to penetrate cellular membranes, in order to kill target cells or to allow passage of pathogenic organisms such as malaria parasites, listeria, or toxoplasma. For both fundamental and practical reasons, it is important to understand the biological actions of the ""arms race"" underlying virulence, pathogenesis and immune defense. The key weapon in this membrane attack is a class of proteins that upon activation undergo a dramatic conversion from water-soluble monomers to a large, membrane-inserted assembly. Both the human immune response and microbial pathogenesis rely on membrane disruption by perforin-like proteins for attack and counterattack. This protein superfamily encompasses perforin and complement pore-forming assemblies in the immune system, as well as the more distantly related bacterial cholesterol-dependent cytolysins. With recent advances in electron cryo-microscopy, tomography and correlative fluorescence microscopy, it is now possible to relate the workings of protein machines in model systems such as liposomes to their actions in the cellular context. I wish to capitalize on these technical advances and visualize membrane interactions at the moment the intracellular pathogen Toxoplasma gondii bursts out of its host cell, as well as the delivery of lethal cargo from the cytotoxic lymphocyte to its target cell through the immune synapse. These studies will correlate 3D spatial information at cellular and molecular levels to reveal the operation of dynamic cellular machinery. I have chosen a well-ordered system that can bridge the gulf between cell biology and atomic structure. Innovations in sample preparation combined with state-of the art imaging methods will lead to the molecular definition of a fundamental process in hostile communication between cells and will broaden the landscape for drug design for immune disorders and major infectious diseases."

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