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Mitogen-activated protein kinase 8 interacting protein 3
JSAP1, JIP3, JNK-interacting protein 3
The protein encoded by this gene shares similarity with the product of Drosophila syd gene, required for the functional interaction of kinesin I with axonal cargo. Studies of the similar gene in mouse suggested that this protein may interact with, and regulate the activity of numerous protein kinases of the JNK signaling pathway, and thus function as a scaffold protein in neuronal cells. The C. elegans counterpart of this gene is found to regulate synaptic vesicle transport possibly by integrating JNK signaling and kinesin-1 transport. Several alternatively spliced transcript variants of this gene have been described, but the full-length nature of some of these variants has not been determined. [provided by RefSeq, Jul 2008] (from
Nechiporuk et al., Portland, United States. In Plos Genet, 28 Feb 2013
Using forward genetics and a novel imaging approach, we identified JNK-interacting protein 3 (Jip3) as a direct mediator of dynein-based retrograde transport of activated (phosphorylated) c-Jun N-terminal Kinase (JNK) and lysosomes.
The results of this study finding suggested that a model by which the self-assembly of SYD-2/Liprin-alpha proteins mediated by the coiled-coil LH1 domain is one of the key steps to the accumulation of presynaptic components at nascent synaptic junctions
Cavalli et al., Saint Louis, United States. In Embo J, 2011
syd activates kinesin heavy chain for transport & enhances its motility, increasing its velocity & run length. syd mutants binding KHC but not kinesin light chain are transported to axons & dendrites normally.
Chavrier et al., Paris, France. In Curr Biol, 2011
In CCP, GTP-ARF6 mediates the recruitment of the ARF-binding domain of downstream effectors including JNK-interacting proteins 3 and 4 (JIP3 and JIP4) after the burst recruitment of the clathrin uncoating component auxilin.
Wagner et al., Huazhou, China. In Neuroscience, 2011
Inspecting an interactome map, we identify three putative UNC-104 interactors, namely UNC-16(JIP3), DNC-1(DCTN1/Glued) and SYD-2(Liprin-α), known to be adaptors in essential neuronal protein complexes.
Yoshioka et al., Kanazawa, Japan. In Genes Cells, 2011
We previously reported that the scaffold protein c-Jun NH₂-terminal kinase (JNK)/stress-activated protein kinase-associated protein 1 (JSAP1) functions in cerebellar granule cell precursors (GCPs) to promote their cell-cycle exit and differentiation.
Bonni et al., Boston, United States. In J Neurosci, 2011
Here we report that knockdown of the brain-enriched signaling protein JNK-interacting protein3 (JIP3) triggers exuberant axon branching and self-contact in primary granule neurons of the rat cerebellar cortex.
This pattern was different from that generated by the overexpression of the kinesin-binding scaffold protein JSAP1 (JNK/SAPK-associated protein-1, also known as Mapk8ip3), which occurred predominantly in the somatoaxon area.