ナカムラ　フミオ   Nakamura Fumio   中村　史雄    所属   医学部 医学科    職種   教授・基幹分野長
論文種別	原著
言語種別	英語
査読の有無	査読あり
表題	CRMP1 and CRMP4 are required for proper orientation of dendrites of cerebral pyramidal neurons in the developing mouse brain.
掲載誌名	正式名：Brain research 略　 称：Brain Res ISSNコード：00068993
掲載区分	国外
巻・号・頁	1655,pp.161-167
著者・共著者	Takaya R†, Nagai J, Piao W, Niisato E, Nakabayashi T, Yamazaki Y, Nakamura F, Yamashita N, Kolattukudy P, Goshima Y, Ohshima T*.
発行年月	2017/01
概要	Neural circuit formation is a critical process in brain development. Axon guidance molecules, their receptors, and intracellular mediators are important to establish neural circuits. Collapsin response mediator proteins (CRMPs) are known intercellular mediators of a number of repulsive guidance molecules. Studies of mutant mice suggest roles of CRMPs in dendrite development. However, molecular mechanisms of CRMP-mediated dendritic development remain to elucidate. In this study, we show abnormal orientation of basal dendrites (extension to deeper side) of layer V pyramidal neurons in the cerebral cortex of CRMP4-/- mice. Moreover, we observed severe abnormality in orientation of the basal dendrites of these neurons in double knockout of CRMP1 and 4, suggesting redundant functions of these two genes. Redundant gene functions were also observed in proximal bifurcation phenotype in apical dendrites of hippocampal CA1 pyramidal neurons. These results indicate that CRMP1 and CRMP4 regulate proper orientation of the basal dendrites of layer V neurons in the cerebral cortex.
DOI	10.1016/j.brainres.2016.11.003.