Use of glycosylceramides as adjuvants for vaccines against...

Drug – bio-affecting and body treating compositions – Nonspecific immunoeffector – per se ; or nonspecific...

Reexamination Certificate

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C435S006120, C514S025000

Reexamination Certificate

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07488491

ABSTRACT:
The present invention relates to methods and compositions for augmenting an immunogenicity of an antigen in a mammal, comprising administering said antigen together with an adjuvant composition that includes glycosylceramide, preferably α-galactosylceramide (α-GalCer). According to the present invention, the use of glycosylceramide as an adjuvant is attributed at least in part to the enhancement and/or extension of antigen-specific Th1-type responses, in particular, CD8+ T cell responses. The methods and compositions of the present invention can be useful for prophylaxis and treatment of various infectious and neoplastic diseases.

REFERENCES:
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patent: 1 018 548 (2000-07-01), None
patent: WO-99/15627 (1999-04-01), None
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Jan. 2008 Manuscript entitled “Enhancement of HIV DNA vaccine immunogenicity by the NK T Cell Ligand, alpha-galactosylceramide”.

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