Abstract
Activation of 2-5A-dependent ribonuclease by 5′-phosphorylated, 2′,5′-linked oligoadenylates, known as 2-5A, is one pathway of interferon action. Unaided uptake into HeLa cells of 2-5A linked to an antisense oligonucleotide resulted in the selective ablation of messenger RNA for the double-stranded RNA (dsRNA)-dependent protein kinase PKR. Similarly, purified, recombinant human 2-5A-dependent ribonuclease was induced to selectively cleave PKR messenger RNA. Cells depleted of PKR activity were unresponsive to activation of nuclear factor-κB (NF-κB) by the dsRNA poly(I):poly(C), which provides direct evidence that PKR is a transducer for the dsRNA signaling of NF-κB.
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Dates
Type | When |
---|---|
Created | 18 years, 10 months ago (Oct. 5, 2006, 8:01 p.m.) |
Deposited | 1 year, 7 months ago (Jan. 14, 2024, 10:59 p.m.) |
Indexed | 2 months, 3 weeks ago (June 3, 2025, 12:26 a.m.) |
Issued | 31 years ago (Aug. 5, 1994) |
Published | 31 years ago (Aug. 5, 1994) |
Published Print | 31 years ago (Aug. 5, 1994) |
@article{Maran_1994, title={Blockage of NF-κB Signaling by Selective Ablation of an mRNA target by 2-5A Antisense Chimeras}, volume={265}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.7914032}, DOI={10.1126/science.7914032}, number={5173}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Maran, Avudaiappan and Maitra, Ratan K. and Kumar, Aseem and Dong, Beihua and Xiao, Wei and Li, Guiying and Williams, Bryan R. G. and Torrence, Paul F. and Silverman, Robert H.}, year={1994}, month=aug, pages={789–792} }