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Letter

Nature Cell Biology 5, 819–826 (1 September 2003) | doi:10.1038/ncb1039

CRMP-2 regulates polarized Numb-mediated endocytosis for axon growth

Takashi Nishimura , Yuko Fukata , Katsuhiro Kato , Tomoya Yamaguchi , Yoshiharu Matsuura , Hiroyuki Kamiguchi & Kozo Kaibuchi

Axon growth during neural development is highly dependent on both cytoskeletal re-organization and polarized membrane trafficking. Previously, we demonstrated that collapsin response mediator protein-2 (CRMP-2) is critical for specifying axon/dendrite fate and axon growth in cultured hippocampal neurons, possibly by interacting with tubulin heterodimers and promoting microtubule assembly.