Table 1.

Primary antibodies for Western blot analysis.

Primary Antibody against	Source	Catalog No., Clone	Dilution
ABCB1	Cell Signaling Technology (Leiden, The Netherlands)	12683, D3H1Q	1:1000
ABCG2	Cell Signaling Technology	42078, D5V2K	1:1000
GAPDH	OriGene Technologies (Rockville, MD, USA)	5G4-6C5, 6C5	1:5000
α-tubulin	Cell Signaling Technology	3873, DM1A	1:3000