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Journal ArticleDOI

DNA vaccines against human immunodeficiency virus type 1

Marie J. Estcourt, +2 more
- 01 Jun 2004 - 
- Vol. 199, Iss: 1, pp 144-155
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TLDR
This review focuses on the stimulation of HIV‐specific T cells and discusses in the context of the current ‘state‐of‐art’ of DNA vaccines, the areas where this technology might assist either alone or as a part of more complex vaccine formulations in the HIV vaccine development.
Abstract
Development of a vaccine against human immunodeficiency virus type 1 (HIV-1) is the main hope for controlling the acquired immunodeficiency syndrome pandemic. An ideal HIV vaccine should induce neutralizing antibodies, CD4+ helper T cells, and CD8+ cytotoxic T cells. While the induction of broadly neutralizing antibodies remains a highly challenging goal, there are a number of technologies capable of inducing potent cell-mediated responses in animal models, which are now starting to be tested in humans. Naked DNA immunization is one of them. This review focuses on the stimulation of HIV-specific T cells and discusses in the context of the current 'state-of-art' of DNA vaccines, the areas where this technology might assist either alone or as a part of more complex vaccine formulations in the HIV vaccine development.

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Citations
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Clinical experience with plasmid DNA- and modified vaccinia virus Ankara-vectored human immunodeficiency virus type 1 clade A vaccine focusing on T-cell induction

TL;DR: These trials demonstrated that the pTHr.HIVA vaccine alone primed consistently weak and mainly CD4(+), but also CD8(+) T-cell responses, and the MVA is a useful boosting vector for human subunit genetic vaccines.
Journal ArticleDOI

Evaluating the Immunogenicity of a Disulfide-Stabilized, Cleaved, Trimeric Form of the Envelope Glycoprotein Complex of Human Immunodeficiency Virus Type 1

TL;DR: In this article, the authors report on the antibody responses generated in rabbits against a soluble, cleaved, trimeric form of HIV-1 JR-FL Env. Neutralization of these viruses was immunoglobulin mediated and was predominantly caused by antibodies to gp120 epitopes.
Journal ArticleDOI

Long-term storage of DNA-free RNA for use in vaccine studies

TL;DR: The addition of trehalose permitted stable storage of functional RNA at 4 degrees C for up to 10 months and this permits the development of RNA vaccines, even in developing countries where only minimum storage conditions can be achieved.
References
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Journal ArticleDOI

A Toll-like receptor recognizes bacterial DNA.

TL;DR: It is shown that cellular response to CpG DNA is mediated by a Toll-like receptor, TLR9, and vertebrate immune systems appear to have evolved a specific Toll- like receptor that distinguishes bacterial DNA from self-DNA.
Journal ArticleDOI

An analysis of 5'-noncoding sequences from 699 vertebrate messenger RNAs

TL;DR: 5'-Noncoding sequences have been compiled from 699 vertebrate mRNAs and GCCA/GCCATGG emerges as the consensus sequence for initiation of translation in vertebrates.
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CD4 + T cells are required for secondary expansion and memory in CD8 + T lymphocytes

TL;DR: The results demonstrate that T-cell help is ‘programmed’ into CD8+ T cells during priming, conferring on these cells a hallmark of immune response memory: the capacity for functional expansion on re-encounter with antigen.
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