Transient protection of human T-cells from human immunodeficiency virus type 1 infection by transduction with adeno-associated viral vectors which express RNA decoys

Clay Smith, Seong Wook Lee, Ellen Wong, Humilidad Gallardo, Kevin Page, Ofelia Gaspar, Jane Lebkowski, Eli Gilboa

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

RNA decoys are oligonucleotides corresponding to the TAR and RRE sequences of HIV which inhibit the HIV-encoded regulatory proteins Tat and Rev, respectively Adeno-associated viral vectors encoding RNA decoys stably transduced into the human T-cell line CEM-SS expressed transactivating region (TAR) and Rev-responsive element (RRE) RNA decoys from tRNA polIII promoters at high levels, without any apparent deleterious effects on cell growth or expression of CD4. DNA blot analysis indicated that RNA decoy-encoding vectors were not rearranged and were integrated into the genomic DNA of selected cell lines. Vector DNA with the appropriate TAR and RRE sequences was isolated from transduced cell lines after prolonged growth in culture, further confirming that the vector DNA was present in a stable form through multiple cell cycles. Cell lines expressing TAR and RRE decoys transiently inhibited HIV gene expression and replication by 70-99% as determined by measurement of intracellular and extracellular HIV p24 production. Adeno-associated vectors encoding RNA decoys may be useful for gene therapy of HIV infection.

Original languageEnglish
Pages (from-to)99-115
Number of pages17
JournalAntiviral Research
Volume32
Issue number2
DOIs
StatePublished - Oct 1 1996
Externally publishedYes

Fingerprint

env Genes
Virus Diseases
HIV-1
RNA
T-Lymphocytes
Cell Line
DNA
rev Gene Products
HIV Core Protein p24
HIV
tat Gene Products
Growth
Transfer RNA
Oligonucleotides
Genetic Therapy
HIV Infections
Cell Cycle
Gene Expression

Keywords

  • Adeno-associated virus vectors
  • Gene therapy
  • HIV
  • RNA decoys

ASJC Scopus subject areas

  • Virology
  • Pharmacology

Cite this

Transient protection of human T-cells from human immunodeficiency virus type 1 infection by transduction with adeno-associated viral vectors which express RNA decoys. / Smith, Clay; Lee, Seong Wook; Wong, Ellen; Gallardo, Humilidad; Page, Kevin; Gaspar, Ofelia; Lebkowski, Jane; Gilboa, Eli.

In: Antiviral Research, Vol. 32, No. 2, 01.10.1996, p. 99-115.

Research output: Contribution to journalArticle

Smith, Clay ; Lee, Seong Wook ; Wong, Ellen ; Gallardo, Humilidad ; Page, Kevin ; Gaspar, Ofelia ; Lebkowski, Jane ; Gilboa, Eli. / Transient protection of human T-cells from human immunodeficiency virus type 1 infection by transduction with adeno-associated viral vectors which express RNA decoys. In: Antiviral Research. 1996 ; Vol. 32, No. 2. pp. 99-115.
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