| 1,20(OH)2D3 | 1,20-dihyhydroxyvitamin D3 |
| 17,20,23(OH)2D3 | 17,20,23-trihyhydroxyvitamin D3 |
| 1α,25(OH)2D3 | 1α,25-dihydroxyvitamin D3 |
| 20(OH)D3 | 20-hydroxyvitamin D3 |
| 20,23(OH)2D3 | 20,23-dihyhydroxyvitamin D3 |
| 25(OH)D3 | 25-hydroxyvitamin D3 |
| 7-DHC | 7-dehydrocholesterol |
| AA | African-American |
| AhR | aryl hydrocarbon receptor |
| GR | glucocorticoid receptor |
| LBD | ligand binding domain |
| LXR | liver X receptor |
| PPAR | peroxisome proliferator-activated receptor |
| RAR | retinoic acid receptor |
| RXR | retinoid X receptor |
| VDR | vitamin D receptor |
| UVB | ultraviolet B radiation |