Figure 1.
Ethidium-bromide-stained agarose gel after RT-PCR amplification of MDR1 mRNA. The
MDR1-expressing tumors are demonstrated by the presence of a 168 base-pair band, above
the β-globin positive control (lanes 3, 4, 7, 8, 11, 13, 15, 16, 18, 20 and 22).
Schneider et al. Breast Cancer Res 2001 3:183 doi:10.1186/bcr293