Regulation of neural progenitor proliferation by EGF signaling in the spinal cord
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- Hayakawa-Yano Yoshika
- Department of Physiology, Keio University School of Medicine, Tokyo, Japan
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- Shimazaki Takuya
- Department of Physiology, Keio University School of Medicine, Tokyo, Japan Core Research for Evolutional Science Technology, Solution-Oriented Research for Science and Technology, Japan Science and Technology Agency, Saitama, Japan
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- Okano Hideyuki
- Department of Physiology, Keio University School of Medicine, Tokyo, Japan Core Research for Evolutional Science Technology, Solution-Oriented Research for Science and Technology, Japan Science and Technology Agency, Saitama, Japan
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抄録
A wide variety of neurons and glial cells are generated in the developing central nervous system (CNS). The precise regulation of cell-type determination and cell number is thought to be indispensable for the appropriate development and physiological functions of the CNS. Both extrinsic and intrinsic molecular mechanisms, which regulate timing and position in cytogenesis, enable the acquisition of diversity and the control of numbers in neurons and glial cells. The specification of neurons and glial cells in the embryonic spinal cord has been intensively studied. Distinct types of neurons and glial cells are generated along the dorsoventral axis of the embryonic spinal cord, which is regulated by extracellular molecules and transcriptional codes. However, the molecular mechanisms regulating cytogenesis of certain progenitor cells through extracellular molecules have been poorly elucidated. We have recently demonstrated that epidermal growth factor (EGF) signaling via Grb2 associated binder1 (Gab1) contributes to the proliferation of Olig2-positive progenitors that sequentially generate motoneuron and glial cells in the developing spinal cord, in a time and position-restricted manner. In this review, the molecular mechanisms of progenitor proliferation via EGF signaling will be discussed by focusing on the embryonic spinal cord.
収録刊行物
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- Inflammation and Regeneration
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Inflammation and Regeneration 28 (5), 447-453, 2008
一般社団法人 日本炎症・再生医学会
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詳細情報 詳細情報について
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- CRID
- 1390001205258781312
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- NII論文ID
- 130004482219
- 10022602816
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- NII書誌ID
- AA11508953
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- ISSN
- 18808190
- 18809693
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- NDL書誌ID
- 9676553
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- 使用不可