Targeted RNA degradation using nuclear antisense RNA

Details Targeted RNA degradation using nuclear antisense RNA Targeted RNA degradation using nuclear antisense RNA

1993-12-01

1999-06-01

Campbell, Bruce R.

Chemistry: molecular biology and microbiology

Animal cell, per se ; composition thereof; process of...

4353201, 514 44, C12N 500, C12N 1500, A16K 4800

Patent

active

059087790

ABSTRACT:
The invention pertains to a novel method and construct for regulating gene expression through inhibition of gene expression by nuclear antisense RNA. The construct provides an efficient means for introducing, expressing and accumulating the antisense RNA in the nucleus. The antisense RNA hybridizes to the sense mRNA in the nucleus, thereby preventing both processing and cytoplasmic transport. The construct comprises a promoter, antisense sequences, and a cis- or trans-ribozyme which generates 3'-ends independently of the polyadenylation machinery and thereby inhibits the transport of the RNA molecule to the cytoplasm. The construct may also comprise a histone stem-loop structure that assists in stabilizing the transcripts against exonucleolytic degradation.

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