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Cell. 1993 May 21;73(4):687-702.

Control of cell pattern in the neural tube: regulation of cell differentiation by dorsalin-1, a novel TGF beta family member.

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1
Howard Hughes Medical Institute, Columbia University, New York, New York 10032.

Abstract

Distinct cell types differentiate along the dorsoventral axis of the neural tube. We have cloned and characterized a novel member of the TGF beta gene family, dorsalin-1 (dsl-1), that appears to regulate cell differentiation within the neural tube. dsl-1 is expressed selectively in the dorsal neural tube, and its pattern of expression appears to be restricted by early signals from the notochord. Exposure of neural plate cells to dsl-1 promotes the differentiation of cells with neural crest-like properties and inhibits the induction of motor neurons by signals from the notochord and floor plate. These findings suggest that dsl-1 regulates the differentiation of cell types along the dorsoventral axis of the neural tube, acting in conjunction with distinct ventralizing signals from the notochord and floor plate.

PMID:
7916656
[Indexed for MEDLINE]
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