The relative expression ratio of BCRP and OATP in human lymphocytes from each subject. The ratio is calculated by after drug administration / before drug administration. The 6 subjects are indicated as a to f. *P < 0.05 by t-test. Closed bar indicates RST alone, and open bar indicates RST + TJ. BCRP, breast cancer resistance protein; OATP, organic-anion-transporting polypeptide; RST, rosuvastatin; TJ, tanjin.