Table 1. Primers for RT-PCR.

mRNA (accession number)	Primer sequence	Product length (bp)
18s rRNA	5′-CCTGCGGCTTAATTTGACTC-3′ (sense)	118
(M11188)	5′-AACTAAGAACGGCCATGCAC-3′ (antisense)
TPH1	5′-GCTGAACAAACTCTACCCAACCCAC-3′ (sense)	427
(NM_001100634)	5′-TCGGCACAGTCCAAACTCCACA-3′ (antisense)
TPH2	5′-AATCTTCGTGGACTGTGAATGTG-3′ (sense)	449
(NM_173839)	5′-CGTTGTCTTCCCTGTAGCCG-3′ (antisense)