Table 1.

Primers and the RT‐PCR production length

Name	Primer	Sequence	Length (bp)
EGFR	Upper	5′ ATGCTCTACAACCCCACCAC 3′	193
	Lower	5′ GCCCTTCGCACTTCTTACAC 3′
Sp1	Upper	5′ ACACGTTCGGATGAGCTACAG 3′	144
	Lower	5′ TGGGCCTCCCTTCTTATTCTG 3′
β‐Actin	Upper	5′ CAGAGCAAGAGAGGCATCC 3′	217
	Lower	5′ CTGGGGTGTTGAAGGTCTC 3′
TGF‐α	Upper	5′ CTTGGAGAACAGCACGTCCC 3′	133
	Lower	5′ CTCCTGCACCAAAAACCTGC 3′
EGF	Upper	5′ TGCCCTCAACCTTGGTTTGT 3′	107
	Lower	5′ GGTTGCATTGACCCATCTGC 3′