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Evaluating and enhancing ribozyme reaction efficiency in mammalian cells

Nature Biotechnology volume 15, pages 902–905 (1997)Cite this article

Abstract

The ability of ribozymes to cleave specific transcripts and repair defective RNAs in the test tube has engendered speculation about their potential clinical utility. Therapeutic development has been hindered by an inability to evaluate and optimize the efficiency of RNA catalysis in vivo. We describe an experimental system that has allowed us to assess and enhance the efficiency with which a trans-splicing group I ribozyme reacts with a targeted RNA in mammalian cells. These results demonstrate that the ribozyme can convert up to 49% of a specific substrate RNA to product in the cellular environment and that the efficiency of this reaction is apparently a function of the ribozyme's ability to find and bind to the substrate RNA in the cell. These observations suggest that trans-splicing ribozymes may become useful reagents to repair a therapeutically significant fraction of mutant RNAs associated with a variety of genetic diseases.

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Author notes

  1. Bruce A. Sullenger: Corresponding author (e-mail: sulleOOl @mc.duke.edu).

Authors and Affiliations

  1. Departments of Experimental Surgery and Genetics, Center for Cellular and Genetic Therapies, Box 2601, Duke University Medical Center, Durham, NC, 27710

    Joshua T. Jones

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  1. Joshua T. Jones
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  2. Bruce A. Sullenger
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Jones, J., Sullenger, B. Evaluating and enhancing ribozyme reaction efficiency in mammalian cells. Nat Biotechnol 15, 902–905 (1997). https://doi.org/10.1038/nbt0997-902

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