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“JIP”ing along the axon: the complex roles of JIPs in axonal transport

✍ Scribed by Sandhya P. Koushika

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
100 KB
Volume
30
Category
Article
ISSN
0265-9247

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✦ Synopsis

Abstract

JIPs are JNK interacting proteins and bind to JNK cascade kinases. JIP1 and JIP3 were known to be adaptors linking cargo to Kinesin‐I, a major molecular motor for axonal transport. Recent research sheds further light on JIPs' complex roles in axonal transport, namely in activation of Kinesin‐I and in cargo release. In Drosophila, APLIP1/JIP1 allows the Kinesin‐I complex to enable cargo release through activation of JNK signaling.1 In mammalian cell culture, JIP1 is necessary and, together with UNC‐76/FEZ1, sufficient for activating Kinesin‐I.2 I discuss and compare the many roles played by JIP1 and JIP3 through interactions with several distinct players, in retrograde as well as anterograde transport. BioEssays 30:10–14, 2008. © 2007 Wiley Periodicals, Inc.

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