Table 1. PCR primers used in this study and the size of generated products.

Name of primers	Primer sequence	Primer sequence	expected product	Reference
β-actin	AAGAGAGGCATCCTCACCCT	TACATGGCTGGGGTGTTGAA	218 bp	Chang et al. (2010) [20]
COX-2	TTCAAATGAGATTGTGGGAAAATTGCT	AGATCATCTCTGCCTGAGTATCTT	305 bp	Chang et al. (2010)
CYP1A1	TCACAGACAGCCTGATTGAG	GATGGGTTGACCCATAGCTT	432 bp	Hakkola et al. (1996) [19]
CYP1A2	TGGCTTCTACATCCCCAAGAAAT	TTCATGGTCAGCCCGTAGAT	308 bp	Hakkola et al. (1996)
CYP2B6/B7	CCATACACAGAGGCAGTCAT	GGTGTCAGATCGATGTCTTC	356 bp	Hakkola et al. (1996)
CYP2A6/A7	GTGTGGACATGATGCCGT	AGGACTTGAGGCGGAAGT	1151 bp	Hakkola et al. (1996)
CYP2C8/19	GCTAAAGTCCAGGAAGAGATTGA	TCCTGCTGAGAAAGGCATGAAGT	332 bp	Hakkola et al. (1996)
CYP2E1	AGCACAACTCTGAGATATGG	ATAGTCACTGTACTTGAACT	365 bp	Hakkola et al. (1996)
CYP2F1	ATGAACTTGCCGCACCGCGT	AGCGAAAAGCTCTGCAGGAT	283 bp	Hakkola et al. (1996)
CYP3A3/A4	CCAAGCTATGCTCTTCACCG	TCAGGCTCCACTTACGGTGC	323 bp	Hakkola et al. (1996)
CYP3A5	TGTCCAGCAGAAACTGCAAA	TTGAAGAAGTCCTTGCGTGTC	470 bp	Hakkola et al. (1996)
CYP3A7	CTATGATACTGTGCTACAGT	TCAGGCTCCACTTACGGTCT	474 bp	Hakkola et al. (1996)
HO-1	AAGATTGCCCAGAAAGCCCTGGAC	AAGATTGCCCAGAAAGCCCTGGAC	399 bp	Chang et al. (2010) [20]
Cdc2	GGGGATTCAGAAATTGATCA	GGGGATTCAGAAATTGATCA	288 bp	Chang et al. (2010)
Cdc25C	CCTGGTGAGCCTTCGAAGACC	GCAGATGAAGTACACATTGCATC	456 bp	Chang et al. (2010)
Cyclin B1	AAGAGCTTTAAACTTTGGTCTGGG	CTTTGTAAGTCCTTGATTTACCATG	317 bp	Chang et al. (2010)
Keratin 5	TGGTCTCCCGTGCCGCAGTTCTAT	ATTTGGGATTGGGGTGGGGATTCT	139 bp	Endres et al. (2005) [21]
Keratin 14	TTCTCACAGCCACAGTGGAC	CATTGACATCTCCACCCACC	281 bp	Brown et al. (1994) [22]