Immunological herpes simplex virus antigens and methods for...

C - Chemistry – Metallurgy – 12 – N

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C12N 15/38 (2006.01) A61K 39/245 (2006.01) C07K 14/035 (2006.01) C12N 5/10 (2006.01) C12N 7/01 (2006.01) C12N 15/36 (2006.01) A61K 39/00 (2006.01)

Patent

CA 2336523

The invention provides HSV antigens that are useful for the prevention and treatment of HSV infection. Disclosed herein are antigens and/or their constituent epitopes confirmed to be recognized by T-cells derived from herpetic lesions or from uterine cervix. 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 antiviral 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.

L'invention concerne des antigènes de l'herpès simplex virus (HVS) utiles pour prévenir ou traiter une infection HSV. L'invention concerne également des antigènes et/ou leurs épitopes constituants reconnus par les lymphocytes T dérivés de lésions herpétiques ou du col utérin. Les lymphocytes T, présentant une spécificité pour les antigènes, ont permis de mettre en évidence une activité cytotoxique contre des cellules chargées d'épitopes de peptide viralement codés, et dans certains cas, contre des cellules infectées par HSV. L'identification d'antigènes immunologiques responsable de la spécificité des lymphocytes T a amélioré les stratégies prophylactique et thérapeutique antivirales. Les compositions contenant des antigènes ou des polynucléotides codant pour ces antigènes produisent des vaccins ciblés efficaces pour prévenir ou traiter une infection HSV.

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