Direct induction of T lymphocyte-specific gene expression by the mammalian Notch signaling pathway
Open Access
- 1 February 2002
- journal article
- Published by Cold Spring Harbor Laboratory in Genes & Development
- Vol. 16 (3), 295-300
- https://doi.org/10.1101/gad.960702
Abstract
The Notch signaling pathway regulates the commitment and early development of T lymphocytes. We studied Notch-mediated induction of thepre-T cell receptor α(pTa) gene, a T-cell-specific transcriptional target of Notch. ThepTaenhancer was activated by Notch signaling and contained binding sites for its nuclear effector, CSL. Mutation of the CSL-binding sites abolished enhancer induction by Notch and delayed the up-regulation ofpTatransgene expression during T cell lineage commitment. These results show a direct mechanism of stage- and tissue-specific gene induction by the mammalian Notch/CSL signaling pathway.Keywords
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