Protective antigen of epstein barr virus

C - Chemistry – Metallurgy – 12 – N

Patent

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Details

C12N 15/38 (2006.01) A61K 39/245 (2006.01) A61K 48/00 (2006.01) C07K 14/05 (2006.01) A61K 39/00 (2006.01)

Patent

CA 2380991

The present invention relates to the identification of a subunit vaccine to prevent or treat infection of Epstein Barr Virus. In particular, EBNA-1 was identified as a vaccine antigen. In a specific embodiment, a purified protein corresponding to EBNA-1 elicited a strong CD4+ T cell response. The responsive CD4+ T cell are primarily TH1 in function. EBNA-1 is an attractive candidate for a protective vaccine against EBV, and for immunotherapy of EBV infection and neoplasms, particularly with dendritic cells charged with EBNA-1.

La présente invention concerne l'identification d'un vaccin sous-unité destiné à prévenir ou à traiter l'infection du virus d'Epstein Barr. En particulier, EBNA-1 a été identifié comme antigène vaccinal. Dans un mode de réalisation spécifique, une protéine purifiée correspondant à EBNA-1 élicite une forte réponse des cellules CD4?+¿T. Les cellules CD4?+¿T réceptives ont principalement une fonction T¿H?1. EBNA-1 constitue un candidat intéressant comme vaccin protecteur contre le virus d'Epstein Barr, et pour l'immunothérapie de l'infection du virus d'Epstein Barr et des néoplasmes, en particulier avec des cellules dendritiques chargées avec EBNA-1.

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