| AMC | amido-4-methylcoumarin hydrobromide |
| BB | brush border |
| DMEM | Dulbecco’s modified Eagle’s medium |
| DPP-IV | dipeptidyl peptidase IV |
| FBS | fetal bovine serum |
| GLP-1 | glucagon-like peptide-1 |
| GIP | gastrointestinal insulinotropic peptide |
| IC50 | 50% inhibitory concentration |
| PBS | phosphate-buffered saline |
| RFU | relative fluorescence unit |
| T2DM | type 2 diabetes |