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J Neurosci. 2006 Jul 5;26(27):7139-42.

mRNA transport in dendrites: RNA granules, motors, and tracks.

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1
Department of Cell Biology and Anatomy, Graduate School of Medicine, University of Tokyo, Hongo, Tokyo 113-0033, Japan. hirokawa@m.u-tokyo.ac.jp

Abstract

The targeting of mRNAs to neuronal dendrites is an important protein sorting mechanism. Recent studies have revealed that mRNAs are transported by molecular motors. The kinesin superfamily protein KIF5 transports mRNAs such as calcium/calmodulin-dependent kinase IIalpha (CaMKIIalpha) and Arc mRNAs along microtubules in large granules containing proteins involved in RNA transport, protein synthesis, RNA helicases, heterogeneous nuclear ribonucleoproteins (hnRNPs), and RNA-associated proteins. This transport is fundamental to local protein synthesis and to the regulation of neuronal function.

PMID:
16822968
DOI:
10.1523/JNEUROSCI.1821-06.2006
[Indexed for MEDLINE]
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