May play a role in cortex development as part of the Notch signaling pathway. Downstream of Notch may repress the expression of proneural genes and inhibit neuronal differentiation thereby maintaining neural progenitors (PubMed:19906856). May also play a role in preimplentation embryo development (PubMed:26178919). {ECO:0000269|PubMed:19906856, ECO:0000269|PubMed:26178919}.