| PrPC | cellular prion protein |
| GPI | glycosylphosphatidylinositol |
| PrPSc | pathogenic prion protein |
| Prnp0/0 | PrP-deficient |
| Tga20 | PrP-overexpressing |
| TGF-β | transforming growth factor-beta |
| IL-10 | interleukin-10 |
| Treg | regulatory T |
| FoxP3 | forkhead box P3 |
| PD-L1 | programmed death ligand-1 |
| PD1 | programmed cell death protein 1 |
| ERK | extracellular signal-regulated kinase |
| MMP-9 | metalloprotease-9 |
| NF-κB | nuclear factor-κB |
| actb | beta-actin |
| IgM | immunoglobulin M |
| NK | natural killer |
| NC | negative control |
| B16F10 | B16F10 melanoma cells |
| DMEM | Dulbecco’s modified Eagle medium |
| PBS | phosphate-buffered saline |
| FITC | fluorescein isothiocyanate |
| APC | allophycocyanin |