Table 1 Histone methylation in hypoxia.
Name | Substrate | Enzyme expression/activity in hypoxia | Target gene | Effect | Cell type (cell line) | O2 (%) | Ref. |
|---|---|---|---|---|---|---|---|
Histone methyltransferases | |||||||
MLL1 | H3K4 |  | HIF-2α | Activation of HIF-2α expression | Glioma stem cell (387 GSC, 4302 GSC) | 1 | |
SETD1B | H3K4 | Â | CA9, PHD3, VEGF | Activation of hypoxia-inducible genes | Cervical (HeLa), lung (A549), and renal (786-O) cancer | 1 | |
G9a/GLP | H3K9 | Â | HHEX, GATA2, ARNTL | Repression of tumor suppressor genes | Breast cancer (MCF7) | 1 | |
EZH2 | H3K27 | Â | E-cadherin, p16INK4A | Repression of E-cadherin and p16 expression | Pancreatic cancer (SW1990) | 1 | |
Histone demethylases | |||||||
LSD1 | H3K9me1/me2 | Â | MTA1 | Activation of MTA1 expression | Breast cancer (MDA-MB-231) | 1 or CoCl2 | |
KDM3A | H3K9me1/me2 | Overexpressed/maintained | PSA enhancer | Activation of PSA expression | Prostate cancer (LNCaP) | <0.5, 3 | |
KDM3A | H3K9me2 | Overexpressed/maintained | SLC2A3(GLUT3) | Activation of SLC2A3 expression | Endothelial cell (HUVECs) | 1 | |
KDM4A | H3K9me3 | Maintained | HIF-1α | Activation of HIF-1α expression under mild hypoxic conditions | Colon carcinoma (RKO) | 2 | |
Inactivated | Suppression of HIF-1α expression under severe hypoxic conditions | <0.1 | |||||
KDM4B | H3K9me3 | Overexpressed/maintained | SLC2A1, ELF3, IFI6, UCA1 | Activation of hypoxia-inducible genes | Colorectal cancer (SW480, HCT116) | 1 | |
KDM4C | H3K9me3 | Overexpressed/maintained | BNIP3, LDHA, PDK1, SLC2A1, LOXL2, L1CAM | Activation of HIF-1α target genes | Breast cancer (MDA-MB-435), cervical cancer (HeLa) | 1 | |
KDM5A | H3K4me3 | Inactivated | BNIP3L, KLF10 | Activation of hypoxia-inducible genes | Cervical cancer (HeLa), skin fibroblast (HFF) | 1 | |
KDM5A | H3K4me3 | Not changed/inactivated | HMOX1, DAF | Activation of HMOX1, DAF genes | Bronchial epithelial (Beas-2B), lung carcinoma (A549) | 1 | |
KDM6A | H3K27me3 | Inactivated | Actc1, Myl1, Myog | Suppression of myogenic differentiation genes | Myoblast (C2C12) | 2 | |
KDM6A | H3K27me3 | Overexpressed/maintained | Ncx | Activation of Ncx expression | Primary cardiomyocyte | 5 | |
1 | |||||||
KDM6B | H3K27me3 | Overexpressed/maintained | VEGFA | Activation of VEGFA | Endothelial cell (HUVEC) | 1 | |