Immunologically significant herpes simplex virus antigens

C - Chemistry – Metallurgy – 12 – N

Patent

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Details

C12N 15/38 (2006.01) A61K 39/245 (2006.01) C07K 14/035 (2006.01) C12N 5/10 (2006.01) C12N 15/86 (2006.01) A61K 35/12 (2006.01) A61K 39/00 (2006.01)

Patent

CA 2379623

The invention provides HSV antigens that are useful for the prevention and treatment of HSV infection. Disclosed herein are epitopes confirmed to be recognised by T-cells derived from herpetic lesions. T-cells having specificity for antigens of the invention have demonstrated cytotoxic activity against cells loaded with virally-encoded peptide epitopes, and in many cases, against cells infected with HSV. The identification of immunogenic antigens responsible for T-cell specificity provides improved anti-viral therapeutic and prophylactic strategies. Compositions containing antigens or polynucleotides encoding antigens of the invention provide effectively targeted vaccines for prevention and treatment of HSV infection.

Cette invention se rapporte à des antigènes du virus herpès simplex (HSV) qui servent dans la prévention et le traitement des infections à l'HSV. Cette invention concerne des épitopes dont on a confirmé qu'ils sont reconnus par les lymphocytes T dérivés des lésions de l'herpès. Les lymphocytes T ayant une spécificité pour les antigènes de cette invention ont démontré une activité cytotoxique contre les cellules chargées d'épitopes de peptides à codage viral et, dans beaucoup de cas, contre les cellules infectées par le virus HSV. L'identification des antigènes immunogènes responsables de la spécificité des lymphocytes T fournit des stratégies thérapeutiques et prophylactiques antivirales améliorées. Des compositions contenant des antigènes ou des polynucléotides codant des antigènes de cette invention fournissent des vaccins efficacement ciblés pour la prévention et le traitement des infections à l'HSV.

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