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M9630592.TXT
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1996-02-27
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Document 0592
DOCN M9630592
TI Induction of potent humoral and cell-mediated immune responses following
direct injection of DNA encoding the HIV type 1 env and rev gene
products.
DT 9603
AU Okuda K; Bukawa H; Hamajima K; Kawamoto S; Sekigawa K; Yamada Y; Tanaka
S; Ishi N; Aoki I; Nakamura M; Department of Bacteriology, Yokohama City
University School of; Medicine, Japan.
SO AIDS Res Hum Retroviruses. 1995 Aug;11(8):933-43. Unique Identifier :
AIDSLINE MED/96020094
AB DNA vaccines have the potential of giving rise to a potent cell-mediated
immune response by inducing intracellular synthesis and subsequent
antigenic presentation of encoded antigens. We have tested a DNA vaccine
specific for human immunodeficiency virus type 1 (HIV-1) by the
injection of animals with expression plasmids encoding the HIV-1
envelope protein and the Rev regulatory protein. Injection of both
plasmids into mice, rabbits, or macaques was found to induce high levels
of specific antibodies capable of efficiently inhibiting both HIV-1
infection and envelope-mediated cell fusion. A readily detectable
delayed-type hypersensitivity (DTH) response was demonstrable in
injected mice and lymphocytes derived from these proliferated in
response to an HIV-1 envelope V3 loop-specific peptide. Interestingly,
the injected mice or macaques also developed a strong cytotoxic T
lymphocyte (CTL) response against target cells pulsed with the V3
peptide. Taken together, these data demonstrate that injection of HIV-1
gene expression plasmids can induce potent humoral and cell-mediated
immune responses and suggest that DNA vaccines may prove to be
significantly beneficial as a means of immunizing against HIV-1.
DE Animal Antibody Formation/*IMMUNOLOGY Base Sequence DNA,
Viral/IMMUNOLOGY/*PHARMACOLOGY Gene Products, rev/GENETICS/*IMMUNOLOGY
Genes, env/GENETICS/*IMMUNOLOGY Human HIV Infections/PREVENTION &
CONTROL Immunity, Cellular/*IMMUNOLOGY Macaca Mice Mice, Inbred BALB
C Molecular Sequence Data Plasmids/PHARMACOLOGY Rabbits Support,
Non-U.S. Gov't Vaccination JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).