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1994-09-05
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Document 0877
DOCN M9480877
TI Parenteral or intranasal immunization with HIV gp160 formulated with
proteosomes and/or PA adjuvants enhances epitope-specific IgG or IgA.
DT 9410
AU Kaminski R; Amselem S; Levi M; Loomis L; Kersey K; Vancott T; Friedman
D; Smith G; Wahren B; Redfield R; et al; Walter Reed Army Institute of
Research, Washington, DC.
SO Abstr Gen Meet Am Soc Microbiol. 1994;94:155 (abstract no. E-70). Unique
Identifier : AIDSLINE ASM94/94313068
AB We have immunized mice i.m. or intranasally and rabbits i.m. with HIV
gp160 (MicroGeneSys) formulated with alum or proprietary adjuvants (PA,
Pharmos) and/or meningococcal outer membrane protein proteosomes. When
administered i.m., proteosomes plus alum or PA formulations (with or
without proteosomes) induced improved and broadened immune responses
against several gp160 epitopes compared to the standard gp160
alum-adjuvanted vaccine in both mice and rabbits. Moreover, either PA or
proteosomes dramatically enhanced immunogenicity following intranasal
immunization and proteosome formulation markedly boosted IgA responses.
Data analyzed using a combination of ELISA, quantitative Western Blot
and PEPscan techniques show that altering the presentation, formulation
and route of administration of gp160 influences both quantitative and
qualitative aspects of epitope specific IgG and IgA immune responses.
These data are encouraging for the development of enhanced i.m. or
intranasal sub-unit formulations of gp160 vaccines for HIV vaccine
therapy.
DE Adjuvants, Immunologic Administration, Intranasal Alum Compounds
Animal Antigenic Determinants/ANALYSIS AIDS Vaccines/*ADMINISTRATION &
DOSAGE/IMMUNOLOGY Comparative Study Cysteine Proteinases Drug
Carriers Gene Products, env/ADMINISTRATION & DOSAGE/*IMMUNOLOGY
HIV/*IMMUNOLOGY HIV Antibodies/ANALYSIS/BIOSYNTHESIS
IgG/ANALYSIS/*BIOSYNTHESIS IgM/ANALYSIS/*BIOSYNTHESIS Injections,
Intramuscular Mice Multienzyme Complexes Protein
Precursors/ADMINISTRATION & DOSAGE/*IMMUNOLOGY Rabbits MEETING
ABSTRACT
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).