Figure 1.
Quantification of PCR. The ratio between the mdr1 or mrp and β2M gene is expressed as described in MATERIALS AND METHODS. (a. parental cell-SMMC7721/S; b. SMMC7721/R; c. SMMC7721/R incubated with 0.5 μmol/L AS-ODN for 24 h)
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