Table 1. Sequences of primers and PCR conditions.

	Primer sequence	Product size (bp)	Ta (°C)/cycles
FGFR2	S: 5′-GGTGGCTGAAAAACGGGAAG-3′	104	60.5/38
	AS: 5′-AGATGGGACCACACTTTCCATA-3′
GAPDH	S: 5′-ACCACAGTCCATGCCATCAC-3′	452	56.0/26
	AS: 5′-TCCACCACCCTGTTGCTGTA-3′

S, sense; AS, antisense; Ta, annealing temperature.