Immunogenic composites capable of stimulating production of anti-peptide antibodies, pharmaceutical compositions employing these composites and methods of selectively inducing production of anti-peptide antibodies
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United States of America Patent
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Apr 11, 2000
Issued Date -
N/A
app pub date -
Dec 1, 1993
filing date -
Apr 15, 1991
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Abstract
An essentially pure immunogenic composite capable of selectively inducing antibody production in an animal to a peptide that if administered by itself to the animal without being conjugated to or mixed with additional substance does not stimulate production of anti-peptide antibody in the animal. This immunogenic composite comprises: a lipid and an amphipathic peptide. The amphipathic peptide if administered by itself to the animal without being conjugated to or mixed with additional substance does not stimulate production of anti-peptide antibody in the animal. The amphipathic peptide is covalently bound to the lipid in a peptide-lipid complex. The immunogenic composite has a vesicular or an amorphous particulate structure. Another embodiment of this immunogenic composite comprises: a lipid, the amphipathic peptide, and a hydrophilic peptide covalently bound together. The hydrophilic peptide if administered by itself to the animal without being conjugated to or mixed with additional substance does not stimulate production of anti-peptide antibody in the animal.
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