KIF26A Is an Unconventional Kinesin and Regulates GDNF-Ret Signaling in Enteric Neuronal Development

Ruyun Zhou, Shinsuke Niwa, Noriko Homma, Yosuke Takei, Nobutaka Hirokawa

研究成果: Article査読

72 被引用数 (Scopus)

抄録

The kinesin superfamily proteins (KIFs) are motor proteins that transport organelles and protein complexes in a microtubule- and ATP-dependent manner. We identified KIF26A as a new member of the murine KIFs. KIF26A is a rather atypical member as it lacks ATPase activity. Mice with a homozygous deletion of Kif26a developed a megacolon with enteric nerve hyperplasia. Kif26a-/- enteric neurons showed hypersensitivity for GDNF-Ret signaling, and we find that KIF26A suppressed GDNF-Ret signaling by direct binding and inhibition of Grb2, an essential component of GDNF/Akt/ERK signaling. We therefore propose that the unconventional kinesin KIF26A plays a key role in enteric nervous system development by repressing a cell growth signaling pathway.

本文言語English
ページ(範囲)802-813
ページ数12
ジャーナルCell
139
4
DOI
出版ステータスPublished - 2009 11 13
外部発表はい

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

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