Title: Small molecules that inhibit Notch signaling
Authors: De Kloe, Gerdien ×
De Strooper, Bart #
Issue Date: 2014
Publisher: Humana Press, Inc.
Series Title: Methods in Molecular Biology vol:1187 pages:311-22
Article number: 10.1007/978-1-4939-1139-4_23
Abstract: The proteolytic processing of Notch receptors plays a central role in the transduction of Notch signaling, which is involved in a variety of important processes in the body. Abnormal Notch processing has been implicated in a variety of cancers. γ-Secretase is responsible for the third and last cleavage step of Notch receptors. Since γ-secretase plays an important role in Alzheimer's disease, great effort has been spent to develop γ-secretase inhibitors (GSIs). The majority of these inhibitors block γ-secretase nonselectively, which means that these compounds can be used to block Notch cleavage and thereby regulate Notch signaling. In this review we give an overview of the most-used GSIs in the Notch field, together with examples of their use. It is a huge advantage that these drug-like compounds are already optimized for γ-secretase, and some are already being used in clinical trials. However, their nonspecificity has disadvantages as well, since four Notch receptors exist with different sites of expression and different roles in cell signaling and at least four different γ-secretase proteases are involved in their cleavage. It would be worth the effort to screen many GSIs for their selectivity for the different Notch receptors and γ-secretases, in order to obtain interesting tools for further research and-in the end-to develop safer drugs.
ISSN: 1064-3745
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Department of Human Genetics - miscellaneous
× corresponding author
# (joint) last author

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