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Cell. 2009 Apr 17;137(2):216-33. doi: 10.1016/j.cell.2009.03.045.

The canonical Notch signaling pathway: unfolding the activation mechanism.

Author information

  • 1Department of Developmental Biology, Washington University School of Medicine, St. Louis, MO 63110, USA. kopan@wustl.edu

Abstract

Notch signaling regulates many aspects of metazoan development and tissue renewal. Accordingly, the misregulation or loss of Notch signaling underlies a wide range of human disorders, from developmental syndromes to adult-onset diseases and cancer. Notch signaling is remarkably robust in most tissues even though each Notch molecule is irreversibly activated by proteolysis and signals only once without amplification by secondary messenger cascades. In this Review, we highlight recent studies in Notch signaling that reveal new molecular details about the regulation of ligand-mediated receptor activation, receptor proteolysis, and target selection.

PMID:
19379690
[PubMed - indexed for MEDLINE]
PMCID:
PMC2827930
Free PMC Article

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