Table 1.
Disease | Type of enhancer usage | Variant type | Cause | Result | Reference |
---|---|---|---|---|---|
Limb malformation | Enhancer-hijacking | Inversion, duplication, deletion |
TAD fusion by variants at CTCF-associated boundary domain | Overexpression of WNT or 6IHH or PAX3 | 47 |
T cell acute lymphoblastic leukemia | Enhancer-hijacking | Deletion | TAD fusion by variants at CTCF-associated boundary domain | Activation of LMO2 proto-oncogene | 50 |
Medulloblastoma | Enhancer-hijacking | Tandem duplication, deletion, inversion, complex rearrangement | Relocating oncogene proximal to super-enhancer | Activation of GFI1 and GFI1B proto-oncogenes, and overexpression of PRDM6 | 52, 51 |
Oncogene activation | Enhancer-hijacking | Tandem duplication | neo-TAD appearance | Overexpression of IGF2 | 55 |
Neuroblastoma | Enhancer-hijacking | Copy number alterations | Relocating oncogene proximal to super-enhancer | Overexpression of TERT | 53, 54 |
Branchiooculofacial syndrome | Enhancer disconnection | Inversion | TAD shuffling | Monoallelic and reduced TFAP2A expression | 56 |
Acute myeloid leukemia | Enhancer-hijacking | Inversion | TAD shuffling | Activation of EVI1 proto-oncogene | 49 |