DETECTION OF RIBONUCLEASE H-GENERATED MESSENGER-RNA FRAGMENTS IN HUMAN LEUKEMIA-CELLS FOLLOWING REVERSIBLE MEMBRANE PERMEABILIZATION IN THE PRESENCE OF ANTISENSE OLIGODEOXYNUCLEOTIDES

R V Giles, D G Spiller, D M Tidd

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The involvement of ribonuclease H (RNase H) in antisense phenomena in intact cells has, to date, only been adequately demonstrated for microinjected Xenopus systems, The significance of RNase H for the antisense effects of oligodeoxynucleotides observed in human and other mammalian cell cultures has remained obscure, in part because of inadequate analytic methods. In this report we show that the ''reverse ligation-mediated PCR'' (RL-PCR) procedure permits amplification of RNA fragments produced by oligodeoxynucleotide-directed RNase H activity, We have used this procedure to demonstrate RNase H-dependent antisense effects in irreversibly permeabilized (dead) cells and reversibly permeabilized (live) cells.
    Original languageEnglish
    Pages (from-to)23-31
    Number of pages9
    JournalAntisense Research and Development
    Volume5
    Issue number1
    Publication statusPublished - 1995

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