Figure 3From: Methylation of WTH3, a possible drug resistant gene, inhibits p53 regulated expression SQRT-PCR results for MDR1 expression in population and cloned cell lines. A. The MDR1 gene's PCR products in various cell lines are displaced in an electrophoresis gel, while MDR1 expression in MCF7/AdrR and GAPDH served as positive controls. B. Results of quantitative analysis for MDR1 expression in the cells presented in A. GAPDH served as quantitative reference.Back to article page