Table 1.

Primer sequences used for real-time polymerase chain reaction.

Gene	5′-3′ sequence	PCR condition (45 cycles)
CYP3A4
Forward	5′-GGGAAGCAGAGACAGGCAAG-3′	Denaturation
Reverse	5′-GAGCGTTTCATTCACCACCA-3′	(30 s at 95 °C)
MDR1
Forward	5′-AAAAAGATCAACTCGTAGGAGTA-3′	Annealing
Reverse	5′-GCACAAAATACACCAACAA-3′	(30 s at 60 °C)
β-actin
Forward	5′-GTGGGGCGCCCCAGGCACCA-3′	Extension
Reverse	5′-CACCCCGCGGGGTCCGTGGT-3′	(30 s at 72 °C)