The chicken or the egg: microRNA-mediated regulation of mRNA translation or mRNA stability.

Mol Cell

Department of Cancer Immunology and AIDS, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA 02115, USA.

Published: September 2009

In this issue of Molecular Cell, Fabian et al. (2009) demonstrate that in cell-free extracts from mouse Krebs-2 ascites, microRNA-mediated translational repression precedes target mRNA deadenylation, and identify GW182, PABP, and deadenylase subunits CAF1 and CCR4 as factors required for deadenylation.

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http://dx.doi.org/10.1016/j.molcel.2009.09.003DOI Listing

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