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Dev Dyn. 2002 Dec;225(4):554-60.

Isolation and characterization of Xenopus Hey-1: a downstream mediator of Notch signaling.

Author information

1
Department of Cell Biology, Harvard Medical School, Boston, Massachusetts, USA.

Abstract

Regulation of Notch signaling likely occurs, at least in part, at the level of basic helix-loop-helix (bHLH) transcription factors that function downstream of Suppressor of Hairless (Su(H)) in the Notch pathway. To begin to characterize modulation of Notch signaling during organogenesis, we examined the bHLH transcription factor, XHey-1 (hairy related-1) in early Xenopus laevis embryos. XHey-1 is expressed in numerous tissues during early development including the somites, head, embryonic kidneys, and heart. Importantly, the expression of XHey-1 was significantly altered in response to perturbation of Notch signaling by means of inducible constructs that served to either activate or suppress Notch signaling through Su(H) in a temporally controlled manner.

PMID:
12454931
DOI:
10.1002/dvdy.10192
[Indexed for MEDLINE]
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