| GM | Gut microbiome |
| T2D | Type 2 diabetes mellitus |
| FMT | Fecal microbiota transplantation |
| B/B | Bacillota/Bacteroidota |
| BMI | Body mass index |
| BF | Body fat |
| WC | Waist circumference |
| VFA | Visceral fatty area |
| SCFAs | Short-chain fatty acids |
| GPRs | G-protein-coupled receptors |
| PPARs | Peroxisome proliferator-activated receptors |
| GLP-1 | Glucagon-like peptide-1 |
| GLP-2 | Glucagon-like peptide-2 |
| PYY | Peptide YY |
| AMPK | AMP-activated protein kinase pathway |
| FIAF | Fasting-induced adipose factor |
| LPL | Lipoprotein lipase |
| LPS | Lipopolysaccharide |
| LBP | LPS-binding protein |
| TLR4 | Toll-like receptor 4 |
| NF-κB | Nuclear factor-κ B |
| TNF-α | Tumor necrosis factor-α |
| LYPLAL1 | Lysophospholipase-like 1 gene |
| BAs | Bile acids |
| LTs | Liver triglycerides |
| FXR | Farnesoid X receptor |
| BW | Body weight |
| FM | Fat mass |
| LDL | Low-density lipoprotein |
| HOMA-IR | Homeostasis model assessment |
| HFD | High-fat diet |
| MDD | Major depressive disorder |
| BSH | Bile salt hydrolase |
| TβMCA | Tauro-β-muricholic acid |
| MAPK | Mitogen-activated protein kinase |
| STAT | Signal transducer and activator of transcription |
| WMT | Washed Microbiota Transplantation |