Table 1 Primer sequences.

	Forward	Reverse
p21WAF1	5′‐CTGTCACTGTCTTGTACCCT‐3′	5′‐GGTAGAAATCTGTCATGCTGG‐3′
CK7	5′‐TGAATGATGAGATCAACTTCCTCAG‐3′	5′‐CAGGCGGAGATCTGGGACTGC‐3′
CK13	5′‐AATCCTGCTCTCACCATAGAGAG‐3′	5′‐GGTTCTGCATGGTGATCTTC‐3′
CK8/18	5′‐GCTCTGTCCAGGCGCCCAGCTACGG‐3′	5′‐CAGGCGGTCGTTCAGGCTTTGCATG‐3′
GAPDH	5′‐GGTTCTGCATGGTGATCTTC‐3′	5′‐GGGGTCATTGATGGCAACA‐3′

GAPDH, glyceraldehyde 3‐phosphate dehydrogenase.