Fig. 1.
Human serotonin (5-HT) transporter (SERT) mRNA expression in different regions of human intestine: Commercial cDNA from different regions of human intestine were subjected to real-time PCR using SYBR green fluorescent dye as described in MATERIALS AND METHODS. Data were quantified by normalizing human SERT mRNA levels to human β-actin mRNA and were expressed as arbitrary units. Data are means ± SE of values obtained from at least 3 different experiments performed on separate occasions. *P < 0.001 compared with duodenum (taken as control).