| ACh | Acetylcholine |
| Akt | Protein kinase B |
| ANOVA | Analysis of variance |
| ARE | Antioxidant response element |
| BH4 | Tetrahydrobiopterin |
| BCA | Bicinchoninic acid |
| CMC | Carboxymethyl cellulose |
| CNM | Cinnamaldehyde |
| CO2 | Carbon dioxide |
| CSF | Colony-stimulating factor |
| CVD | Cardiovascular disease |
| DBP | Diastolic blood pressure |
| DHFR | Dihydrofolate reductase |
| ELISA | Enzyme-linked immunosorbent assay |
| eNOS | Endothelial nitric oxide synthase |
| FFA | Free fatty acids |
| GCH-I | GTP cyclohydrolase-I |
| GSK-3β | Glycogen synthase kinase-3 beta |
| HFD | High-fat diet |
| HDL | High-density lipoprotein |
| HR | Heart rate |
| IGF-1 | Insulin-like growth factor-1 |
| IL | Interleukin |
| INF | Porphyromonas gingivalis infection |
| IPGTT | Intraperitoneal glucose tolerance test |
| ITT | Insulin tolerance test |
| Keap1 | Kelch-like ECH-associated protein 1 |
| LDL | Low-density lipoprotein |
| LPS | Lipopolysaccharide |
| ND | Normal diet |
| NE | Norepinephrine |
| NF-κB | Nuclear factor kappa-light-chain-enhancer of activated B |
| NO | Nitric oxide |
| NOS3 | Endothelial nitric oxide synthase gene |
| NQO1 | NAD(P)H quinone dehydrogenase 1 |
| Nrf2 | Nuclear factor erythroid 2-related factor 2 |
| PD | Periodontal disease |
| Pg | Porphyromonas gingivalis |
| PI3K | Phosphatidylinositol 3-kinase |
| PPARγ | Peroxisome proliferator-activated receptor gamma |
| PPI | Protein–protein interaction |
| PSS | Physiological salt solution |
| qRT-PCR | Quantitative real-time polymerase chain reaction |
| QUICKI | Quantitative insulin sensitivity check index |
| RIPA | Radioimmunoprecipitation assay |
| ROS | Reactive oxygen species |
| SAA | Serum amyloid A |
| SBP | Systolic blood pressure |
| SEM | Standard error of the mean |
| SPP1 | Secreted phosphoprotein 1 (osteopontin) |
| TLR4 | Toll-like receptor 4 |
| TNF-α | Tumor necrosis factor-alpha |
| VEGF | Vascular endothelial growth factor |
| VLDL | Very low-density lipoprotein |