Key result
The c-jun non-AUUUA ARE directs rapid mRNA degradation via unique domains independent of active translation.
Why the study?
The mechanisms by which AU-rich elements (AREs) lacking the AUUUA motif direct rapid and selective mRNA degradation were not well understood.
Identifies and characterizes a novel class of AU-rich elements (AREs) lacking the AUUUA motif that direct rapid mRNA degradation through structurally distinct but functionally interdependent domains.
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Should not inform clinical mRNA targeting; leaves open validation in cardiovascular disease models.
Peng et al. (1996) studied this question. c-jun non-AUUUA ARE vs. AUUUA-containing AREs was evaluated on mRNA degradation and poly(A) tail shortening. The c-jun non-AUUUA ARE directs rapid mRNA degradation via unique, functionally interdependent domains, independent of active translation and insensitive to transcription inhibitors.
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