Table 1. The sequences of the primers used for PCR and the corresponding product sizes.

genes	primers(5’ - 3’)	products (bp)
SP1	forward: AAGGATGCGGCAAAGTAT	123
	reverse: CGTCCGAACGTGTAAAGC
ATF-2	forward: GGAAAGTGTGGGTTCAGTCC	150
	reverse: GGAAAGTGTGGGTTCAGTCC
SP3	forward: GTGCTCGCATCTGTGGAA	138
	reverse: GTCTTGATTGCTGGTGGC
C-MYB	forward: GCAGGCATTACCAACACAGA	114
	reverse: TCTCCCAAACAGGAAACAGG
ICBP90	forward: TCCAGTGCCGTTAAGACCTC	102
	reverse: ACGGACATTCTTGGCTTTGA
Topo IIα	forward: GAGGCTTCCAGCAGATTAGC	107
	reverse: CACCACATCAACGAGTTTGC
GAPDH	forward: GGGCATCTTGGGCTACACT	209
	reverse: GGTCCAGGGTTTCTTACTCC