Gene expression is reduced in trans by inosine-containing dsRNA.

Abstract:

:Inosine residues may be introduced into long dsRNA (double-stranded RNA) molecules by the action of a family of editing enzymes, ADARs (adenosine deaminases that act on RNA). Furthermore, hyperediting of dsRNA by ADARs may result in up to 50% of adenosine residues being converted into inosine. While the effect of hyperediting has traditionally been thought to be limited to the edited dsRNA, we have recently shown that hyperedited dsRNA [I-dsRNA (inosine-containing dsRNA)] is able to down-regulate the expression of both reporter and endogenous mRNAs in cells, in trans. Down-regulation by I-dsRNA occurs both by reducing mRNA levels and by inhibiting of translation. This finding has important functional consequences for hyperediting by ADARs.

journal_name

Biochem Soc Trans

authors

Scadden AD

doi

10.1042/BST0360534

subject

Has Abstract

pub_date

2008-06-01 00:00:00

pages

534-6

issue

Pt 3

eissn

0300-5127

issn

1470-8752

pii

BST0360534

journal_volume

36

pub_type

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