Spliceosome-mediated RNA trans-splicing as a tool for gene therapy

M. Puttaraju, Sharon F. Jamison, S. Gary Mansfield, Mariano Garcia-Blanco, Lloyd G. Mitchell

Research output: Contribution to journalArticle

141 Citations (Scopus)

Abstract

We have developed RNA molecules capable of effecting spliceosome- mediated RNA trans-splicing reactions with a target messenger RNA precursor (pre-mRNA). Targeted trans-splicing was demonstrated in a HeLa nuclear extract, cultured human cells, and H1299 human lung cancer tumors in athymic mice. Trans-splicing between a cancer-associated pre-mRNA encoding the β- subunit of human chorionic gonadotropin gene 6 and pre-trans-splicing molecule (PTM) RNA was accurate both in vitro and in vivo. Comparison of targeted versus nontargeted trans-splicing revealed a moderate level of specificity, which was improved by the addition of an internal inverted repeat encompassing the PTM splice site. Competition between cis- and trans- splicing demonstrated that cis-splicing can be inhibited by trans-splicing. RNA repair in a splicing model of a nonfunctional lacZ transcript was effected in cells by a PTM, which restored significant β-galactosidase activity. These observations suggest that spliceosome-mediated RNA trans- splicing may represent a general approach for reprogramming the sequence of targeted transcripts, providing a novel approach to gene therapy.

Original languageEnglish
Pages (from-to)246-252
Number of pages7
JournalNature Biotechnology
Volume17
Issue number3
DOIs
StatePublished - 1999
Externally publishedYes

Fingerprint

Trans-Splicing
Spliceosomes
Gene therapy
RNA
Genetic Therapy
RNA Precursors
Molecules
Galactosidases
Chorionic Gonadotropin
Tumors
Repair
Genes
Cells
Nude Mice
Messenger RNA
Cultured Cells
Lung Neoplasms
Neoplasms

Keywords

  • Gene therapy
  • RNA repair
  • Spliceosome
  • Trans-splicing

ASJC Scopus subject areas

  • Microbiology

Cite this

Puttaraju, M., Jamison, S. F., Mansfield, S. G., Garcia-Blanco, M., & Mitchell, L. G. (1999). Spliceosome-mediated RNA trans-splicing as a tool for gene therapy. Nature Biotechnology, 17(3), 246-252. https://doi.org/10.1038/6986

Spliceosome-mediated RNA trans-splicing as a tool for gene therapy. / Puttaraju, M.; Jamison, Sharon F.; Mansfield, S. Gary; Garcia-Blanco, Mariano; Mitchell, Lloyd G.

In: Nature Biotechnology, Vol. 17, No. 3, 1999, p. 246-252.

Research output: Contribution to journalArticle

Puttaraju, M, Jamison, SF, Mansfield, SG, Garcia-Blanco, M & Mitchell, LG 1999, 'Spliceosome-mediated RNA trans-splicing as a tool for gene therapy', Nature Biotechnology, vol. 17, no. 3, pp. 246-252. https://doi.org/10.1038/6986
Puttaraju, M. ; Jamison, Sharon F. ; Mansfield, S. Gary ; Garcia-Blanco, Mariano ; Mitchell, Lloyd G. / Spliceosome-mediated RNA trans-splicing as a tool for gene therapy. In: Nature Biotechnology. 1999 ; Vol. 17, No. 3. pp. 246-252.
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