| ABC | ATP-binding cassette |
| BSA | bovine serum albumin |
| DMEM | high-glucose Dulbecco’s modified Eagle’s medium |
| DTT | dithiothreitol |
| EC50 | half maximal (50%) effective concentration |
| FBS | fetal bovine serum |
| FRT | Flp recombination target |
| GAPDH | glyceraldehyde-3-phosphate dehydrogenase |
| HRP | horseradish peroxidase |
| MTT | 3-(4,5-dimethyl-2-thiazol-2-yl)-2,5-diphenyl-2H-tetrazolium bromide |
| MRP | multi drug resistance protein |
| PBS(−) | phosphate-buffered saline without both Ca2+ and Mg2+ |
| PCR | polymerase chain reaction |
| qPCR | quantitative real-time PCR |
| SDS-PAGE | sodium dodecyl sulfate poly-acrylamide gel electrophoresis |
| SNP | single-nucleotide polymorphism |
| TBS | Tris-buffered saline |
| TBST | TBS with 0.05% (v/v) Tween 20 |
| WT | wild type |