| PG | propylene glycol |
| VG | vegetable glycerin |
| LUSC | lung squamous cell carcinoma |
| MSigDB | Molecular Signatures Database |
| TNF | tumor necrosis factor |
| limma | Linear Models for Microarray Analysis |
| Treg | Regulatory T cells |
| PBMCs | Peripheral Blood Mononuclear Cells |
| TCGA | The Cancer Genome Atlas |