Attractive and permissive activities of semaphorin 5A toward dorsal root ganglion axons in higher vertebrate embryos

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抄録

Elongation of the efferent fibers of dorsal root ganglion (DRG) neurons toward their peripheral targets occurs during development. Attractive or permissive systems may be involved in this elongation. However, the molecular mechanisms that control it are largely unknown. Here we show that class 5 semaphorin Sema5A had attractive/permissive effects on DRG axons. In mouse embryos, Sema5A was expressed in and around the path of DRG efferent fibers, and cell aggregates secreting Sema5A attracted DRG axons in vitro. We also found that ectopic Sema5A expression in the spinal cord attracted DRG axons. Together, these findings suggest that Sema5A functions as an attractant to elongate DRG fibers and contributes to the formation of the early sensory network.

収録刊行物

  • Cell adhesion & migration

    Cell adhesion & migration 8(6), 603-606, 2015-01

    Taylor & Francis

各種コード

  • NII論文ID(NAID)
    120006416381
  • NII書誌ID(NCID)
    AA12230455
  • 本文言語コード
    ENG
  • 資料種別
    journal article
  • ISSN
    1933-6918
  • データ提供元
    IR 
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