| 1,24,25(OH)D | 1,24,25-trihydroxyvitamin D |
| 1,25(OH)D | 1,25-dihydroxyvitamin D, also called calcitriol |
| 24,25(OH)D | 24,25-dihydroxyvitamin D |
| 25(OH)D | 25-hydroxyvitamin D, also called calcidiol |
| 7-DHC | 7-dehydrocholesterol |
| BAMBI | BMP and activin receptor membrane bound inhibitor |
| BAP | bone-specific alkaline phosphatase |
| BMD | bone mineral density |
| BMI | body mass index |
| BMP | bone morphogenetic protein |
| BSP | bone sialoprotein |
| CLD | chronic liver disease |
| CTSK | cathepsin K |
| CTX | C-telopeptide crosslinks of type I collagen |
| CYP24A1 | 25-hydroxyvitamin D 24-hydroxylase |
| CYP27A1 | sterol 27-hydroxylase |
| CYP27B1 | 25-hydroxyvitamin D-1α-hydroxylase |
| CYP2R1 | vitamin D-25-hydroxylase |
| CYP7A1 | cholesterol 7α-hydroxylase |
| DBP | vitamin-D-binding protein GC |
| DHCR7 | 7-dehydrocholesterol reductase |
| DKK1 | dickkopf 1 |
| DKK2 | dickkopf 2 |
| DPD | desoxypyridinolin |
| ECM | extracellular matrix |
| ELISA | enzyme-linked immunosorbent assay |
| EIA | (solid-phase) enzyme immunoassay |
| FGF | fibroblast growth factors |
| GH | growth hormone |
| HBV | hepatitis B virus |
| HCV | hepatitis C virus |
| HDAC | histone deacetylase |
| HOD | hepatic osteodystrophy |
| HYP | hydroxyprolin |
| ICTP | type I collagen cross-linked C-telopeptide |
| IGF-1 | insulin-like growth factor 1 |
| M-CSF | macrophage colony-stimulating factor |
| MMP | matrix metalloproteinase |
| MSC | mesenchymal stem/stromal cell |
| NAFLD | non-alcoholic fatty liver disease |
| NASH | non-alcoholic steatohepatitis |
| NTX | N-telopeptide crosslinks of type I collagen |
| OC | osteocalcin |
| OLT | orthotopic liver transplantation |
| OP | osteopontin |
| OPG | osteoprotegerin |
| PBC | primary biliary cirrhosis |
| PDGF | platelet-derived growth factor |
| Pi | inorganic phosphate |
| PICP | type I collagen C-terminal propeptide |
| PINP | type I collagen N-terminal propeptide |
| PPARγ | peroxisome proliferator-activated receptor γ |
| PSC | primary sclerosing cholangitis |
| PTH | parathyroid hormone |
| PYD | pyridinolin |
| RANKL | receptor activator of nuclear factor kappa B ligand |
| RIA | radioimmunoassay |
| SARA | Smad anchor for receptor activation |
| Ski | v-ski sarcoma viral oncogene homolog |
| SnoN | Ski-like oncogene |
| TGF-β | transforming growth forming factor-β |
| TRAP5b | tartrate-resistant acid phosphatase isoform 5b |
| UVB | ultraviolet B |
| VDR | vitamin D receptor |
| VRDE | vitamin D response element |
| VitD | vitamin D |
| VitD2 | vitamin D2, also called ergocalciferol |
| VitD3 | vitamin D3, also called cholecalciferol |
| VitK | vitamin K |