10.1242/dev.125.10.1967
Crossref journal-article
The Company of Biologists
Development (237)
Abstract

ABSTRACT In vertebrates, the delineation of the neural plate from a region of the primitive ectoderm is accompanied by the onset of specific gene expression which in turn promotes the formation of the nervous system. Here we show that SOX1, an HMG-box protein related to SRY, is one of the earliest transcription factors to be expressed in ectodermal cells committed to the neural fate: the onset of expression of SOX1 appears to coincide with the induction of neural ectoderm. We demonstrate a role for SOX1 in neural determination and differentiation using an inducible expression P19 cell system as an in vitro model of neurogenesis. Misexpression of SOX1 can substitute for the requirement of retinoic acid to impart neural fate to competent ectodermal P19 cells. Using a series of antigenic markers which identify early neural cell types in combination with BrdU labeling, we demonstrate a temporal and spatial correlation between the differentiation of cell types along the dorsoventral axis of the neural tube and the downregulation of SOX1 expression. SOX1, therefore, defines the dividing neural precursors of the embryonic central nervous system (CNS).

Bibliography

Pevny, L. H., Sockanathan, S., Placzek, M., & Lovell-Badge, R. (1998). A role for SOX1 in neural determination. Development, 125(10), 1967–1978.

Authors 4
  1. Larysa H. Pevny (first)
  2. Shantini Sockanathan (additional)
  3. Marysia Placzek (additional)
  4. Robin Lovell-Badge (additional)
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Dates
Type When
Created 4 years, 4 months ago (April 25, 2021, 11:14 p.m.)
Deposited 6 months, 2 weeks ago (Feb. 14, 2025, 8:10 p.m.)
Indexed 2 days, 10 hours ago (Aug. 29, 2025, 5:47 a.m.)
Issued 27 years, 3 months ago (May 15, 1998)
Published 27 years, 3 months ago (May 15, 1998)
Published Online 27 years, 3 months ago (May 15, 1998)
Published Print 27 years, 3 months ago (May 15, 1998)
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@article{Pevny_1998, title={A role for SOX1 in neural determination}, volume={125}, ISSN={1477-9129}, url={http://dx.doi.org/10.1242/dev.125.10.1967}, DOI={10.1242/dev.125.10.1967}, number={10}, journal={Development}, publisher={The Company of Biologists}, author={Pevny, Larysa H. and Sockanathan, Shantini and Placzek, Marysia and Lovell-Badge, Robin}, year={1998}, month=may, pages={1967–1978} }