DNA vaccines for eliciting a mucosal immune response

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Carbohydrate doai

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435 6, 435 691, 435 911, 435455, 424 931, 4242041, 4242341, 4242561, A61K 4800, C17N 1500, C12Q 170

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active

061108987

ABSTRACT:
The invention consists of a method for inducing production of a mucosal immune response in a host by administration of an antigen-encoding polynucleotide preparation, comprising DNA or RNA encoding an antigenic epitope to a mucosal inductor site in the mucosal tissue of the host. Naked DNA may be administered directly to mucosa, for instance in saline drops, or in a recombinant gene expression vector. Preferably, the recombinant gene expression vectors are not capable of replication or dessimination. The invention also includes the use of live viral vaccines wherein the viruses include immunostimulatory polynucleotides of the invention. According to a preferred method of the invention, a target protein antigen is administered through its expression by a recombinant gene expression vector.

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