TABLE 1

Characteristics of the primers used for the reverse transcription-polymerase chain reaction studies

Gene	Accession No.	Primers		Size
Gene	Accession No.	Direction	Sequences (5′-3′)	Size
				bp
hPepT1	NM_005073	Forward	`GTTGGCAACATCATTGTGCT`	149
		Reverse	`TCCGCTGGGTTGATGTAAGT`
h18S	X03205	Forward	`AGGAATTGACGGAAGGGCAC`	320
		Reverse	`GGACATCTAAGGGCATCACA`
hβ actin	NM_001101	Forward	`GGGTCAGAAGGATTCCTATG`	238
		Reverse	`GGTCTCAAACATGATCTGGG`
hTBP	NM_003194	Forward	`GAGAGCCACGAACCACGG`	178
		Reverse	`ACATCACAGCTCCCCACCAT`