| PM2.5 | Ambient fine particulate matter (aerodynamic diameter < 2.5 μm) |
| NAFLD | Non-alcoholic fatty liver disease |
| TF | Total flavonoids |
| MDA | Malondialdehyde |
| SOD | Superoxide dismutase |
| ALT | Alanine aminotransferase |
| AST | Aspartate aminotransferase |
| IRs-1 | Insulin receptor substrate-1 |
| Akt | Protein kinase B |
| CYP2E1 | Cytochrome P450 2E1 |
| JNK | c-Jun N-terminal kinase |
| NASH | Non-alcoholic steatohepatitis |
| IR | Insulin resistance |
| ROS | Reactive oxygen species |
| COPD | Chronic obstructive pulmonary disease |
| TC | Total cholesterol |
| TG | Triglycerides |
| HDL | High-density lipoprotein cholesterol |
| LDL | Low-density lipoprotein cholesterol |
| PBS | Phosphate buffer solution |
| H&E | Hematoxylin & eosin |
| SDS-PAGE | SDS-polyacrylamide gel electrophoresis |
| TBS | Tris-buffered saline |
| SE | Standard error |