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Proceedings of the National Academy of Sciences of the United States of America logoLink to Proceedings of the National Academy of Sciences of the United States of America
. 1994 May 24;91(11):5075–5079. doi: 10.1073/pnas.91.11.5075

Potent inhibition of human immunodeficiency virus type 1 replication by an intracellular anti-Rev single-chain antibody.

L Duan 1, O Bagasra 1, M A Laughlin 1, J W Oakes 1, R J Pomerantz 1
PMCID: PMC43934  PMID: 8197188

Abstract

Human immunodeficiency virus type 1 (HIV-1) has a complex life cycle, which has made it a difficult target for conventional therapeutic modalities. A single-chain antibody moiety, directed against the HIV-1 regulatory protein Rev, which rescues unspliced viral RNA from the nucleus of infected cells, has now been developed. This anti-Rev single-chain construct (SFv) consists of both light and heavy chain variable regions of anti-Rev monoclonal antibody, which, when expressed intracellularly within human cells, potently inhibits HIV-1 replication. This intracellular SFv molecule is demonstrated to specifically antagonize Rev function. Thus, intracellular SFv expression, against a retroviral regulatory protein, may be useful as a gene therapeutic approach to combat HIV-1 infections.

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Selected References

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