Table 1.
Protein | Molecular function | DNA damage | DDR, repair | ROS | Possible mechanism | Refs | |
---|---|---|---|---|---|---|---|
Direct | Indirect | ||||||
TET2&3 | DNA hydroxylation & demethylation |
DDR↑ Repair ↓ in mature cells |
Accumulate at damage sites | Regulating repair gene expression | [111] | ||
KMT2A/MLL1 | H3K4 methylation and more | S-phase checkpoint execution | [121] | ||||
KMT2D/MLL4 | H3K4 methylation (and more?) | ↑ | DDR↑ | ↑ | Relieving transcription stress; Promoting replication fork degradation | Regulating redox gene expression and ROS | [126, 129, 135] |
KMT2E/MLL5 | Organizing chromatin | ↑ |
DDR↑ Repair ↓ |
↑ | [134] | ||
KMT2F/SET1A | H3K4 methylation and more | ↑ |
DDR↑ Repair ↓ |
↓ | Protecting replication fork degradation | Regulating repair gene expression | [136–138] |
DPY30 | H3K4 methylation (and more?) | ↑ |
DDR↑ Repair ↓ |
↓ | Regulating repair gene expression | [101] | |
BMI1 | ↑ | DDR↑ | ↑ | Metabolically increased ROS | [89] | ||
MYSM1 | H2A deubiquitination | DDR↑ | ↑ | [145] | |||
SETD2 | H3K36 methylation | ↑ |
DDR↑ Repair ↓ |
Facilitating repair | [149, 150] | ||
SIRT1 | Deacetylation of histones and other proteins | ↑ | DDR↑ | ↑ | Regulating redox gene expression | [67, 68] |