Ganglion Cell Differentiation and Intermediate Filaments in the Cervical Dorsal Root Ganglion of the Chick Embryo
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概要
- 論文の詳細を見る
To examine the differentiation processes of cervical dorsal root ganglionic cells, vimentin, nestin and neurofilament-H protein were immunohistochemically detected in chick embryos from stages 15 through 43. During stages 15-17, migrating neural crest cells exclusively expressed vimentin. At stage 20, there was a marked decrease in vimentin, and appearance of nestin in most cells of the ganglionic primordia. However, a few Schwann precursor cells containing only vimentin were also observed. During stages 24-26, spindle-shaped precursors of pseudounipolar neurons containing neurofilament-H protein increased in number in the primordia of the ganglia. During stages 28-30, large round immature neurons containing neurofilament-H protein in both their perikaryon and neurites were recognized. At stage 36, the neurons contained neurofilament-H protein and transiently vimentin. In addition, the precursors of satellite cells, containing neither vimentin, nestin, nor neurofilament-H protein, could be observed around the neurons. At stage 43, three mature cell types could be distinguished; pseudounipolar neurons containing neurofilament-H protein, Schwann cells containing vimentin, and satellite cells containing neither vimentin, nestin, nor neurofilament-H protein. These results clearly demonstrate that differentiation of neural crest cells into neurons, Schwann cells and satellite cells, is reflected by the intermediate filament composition.
- 川崎医科大学の論文
著者
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Iwatsuki H
Kawasaki Medical School
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Iwatsuki Hirohiko
Department Of Anatomy Kawasaki Medical College
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Sasaki K
Kawasaki Medical School Kurashiki Jpn
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Sasaki Kazunobu
Department Of Anatomy Kawasaki Medical School
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KUMANO Ichiro
Department of Anatomy, Kawasaki Medical School
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Kumano Ichiro
Department Of Anatomy Kawasaki Medical School
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