Table 1.

List of primers used to determine gene expression of TRP-2 and TRP-1 using RT-PCR. The sequences of primers for each gene are shown as forward and reverse.

Genes	Forward Primers (5′-3′)	Reverse Primers (5′-3′)	Size (bp)
1 TRP-1	GCTGCAGGAGCC TTCTTTCTC	AAGACGCTGCACTGCTGGTCT	398
2 TRP-2	AGAAGTTTGACAGCCCTCC	CTAACCGCAGAGCAACTTG	360
β-actin	ACTACCTCATGAAGATCCTG	TTGCTGATCCACATCTGCTG	731

¹TRP-1: tyrosinase-related protein-1; ²TRP-2: tyrosinase-related protein-2.