Table I.

Primers for reverse transcription-quantitative polymerase chain reaction.

Gene name	Primer sequence
NICD	F: 5′-ATGACTGCCCAGGAAACAAC-3′
	R: 5′-GTCCAGCCATTGACACACAC-3′
Hes-1	F: 5′-CAACACGACACCGGACAAAC-3′
	R: 5′-CGGAGGTGCTTCACTGTCAT-3′
Hes-5	F: 5′-ACATGGCCTTGGCTGTCTGA-3′
	R: 5′-TGCACCCACCCATACAAAGG-3′
Hey-1	F: 5′-GCCGACGAGACCGAATCAAT-3′
	R: 5′-GGAGACCAGGCGAACACGA-3
GAPDH	F: 5′-GACATGCCGCCTGGAGAAAC-3′
	R: 5′-AGCCCAGGATGCCCTTTAGT-3

Hes, hairy and enhancer of split; Hey-1, hairy/enhancer-of-split related with YRPW motif protein 1; NICD, Notch intracellular domain; F, forward; R, reverse.