Table 1.

Sequences of PCR primers and reaction condition

Primers	Sequences (5′-3′)	No. cycles	Annealing temperature (°C)	Length of PCR products (bp)
ARF forward	TTCTTGGTGACCCTCCGGATT	35	53	150
ARF reverse	TGCCCATCATCATGACCTGG	35	53	150
INK4a forward	GGAGCAGCATGGAGCCTT	35	53	197
INK4a reverse	TGCCCATCATCATGACCTGG	35	53	197
β-actin forward	CAAGAGATGGCCACGGCTGCT	28	55	257
β-actin reverse	TCCTTCTGCATCCTGTCGGCA	28	55	257