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Molecular Analysis of Hepatitis C Virus Neutralization and Entry For the Develop...

Molecular Analysis of Hepatitis C Virus Neutralization and Entry For the Development of Novel Antiviral Immunopreventive Strategies Hepatitis C virus (HCV) infection is a leading cause of chronic liver disease world-wide. HCV-induced end-stage liver disease such as liver cirrhosis and hepatocellular carcinoma represent a major concern in global health. Treatme... ver más

31/12/2014

INSERM

2M€

Presupuesto del proyecto: 2M€

Líder del proyecto

INSTITUT NATIONAL DE LA SANTE ET DE LA RECHER... No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Fecha límite participación Sin fecha límite de participación.

Ver 2 Participantes

Financiación concedida El organismo FP7 notifico la concesión del proyecto el día 2014-12-31 No tenemos la información de la convocatoria

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Información adicional privada

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

2 Participantes

INSERM

0.00€ | Lider

UKHD

N.D. | Participante

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Líder del proyecto

INSTITUT NATIONAL DE LA SANTE ET DE LA RECHER... 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 Hepatitis C virus (HCV) infection is a leading cause of chronic liver disease world-wide. HCV-induced end-stage liver disease such as liver cirrhosis and hepatocellular carcinoma represent a major concern in global health. Treatment options for chronic hepatitis C are limited and no vaccine against HCV infection is available. Vaccine development is hampered by several obstacles. High viral variability and escape from host immune responses render antigen selection a major challenge. Antigen selection requires thorough studies to identify conserved T cell and neutralization epitopes and to decipher neutralization mechanisms, aiming to discover the optimal viral target for immune responses counteracting HCV escape strategies. At the same time it is important to develop antigen presentation systems that are efficient in patients with impaired antiviral immune responses, as often observed during chronic hepatitis C. While most vaccine development programs are based on improving HCV cellular immunity, it is essential to associate, in a same vaccine formulation, immunogens able to induce broad spectrums neutralizing and cellular responses. Owing to recent progresses in the field, here we propose a project aiming to overcome the current limitations in vaccine development by addressing the improvement of B cell responses targeting HCV infection. This will be achieved by a detailed investigation of: 1) mechanisms of antibody-mediated neutralization and escape, 2) impact of lipoproteins associating with the viral particle during assembly/release and counteracting neutralization and 3) cell entry steps that can potentially be targeted by antibodies, including those that are not induced naturally. Thus, through the combined expertise of the team in molecular virology, immunology, clinical hepatology and vectorology, we aim to rationalize the development of B cell immunogens and neutralizing antibodies for novel antiviral immunopreventive strategies targeting HCV infection.

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