Table 2 Important enzymes or proteins that regulate histone acetylation in cancer.
From: Targeting epigenetic regulators for cancer therapy: mechanisms and advances in clinical trials
Enzyme | Synonym | Role in cancer | Cancer type | Associated biological process (involved mechanism and molecules) |
|---|---|---|---|---|
Histone acetylases: the writers | ||||
HAT1 | ||||
 HAT1 | / | Promoter | Pancreatic cancer, nasopharyngeal cancer, hepatocellular carcinoma, esophageal carcinoma227,228,229,230 | Promote cell apoptosis, proliferation, differentiation and cisplatin resistance, associated with poor prognosis and upregulates PD-L1 |
| Â | Â | Suppressor | Restores Fas expression and induces cancer cell apoptosis (Ras-ERK1/2 signaling) | |
GANT | ||||
 GCN5L2 | GCN5 | Promoter | Prostate cancer, breast cancer, non-small-cell lung cancer, colorectal cancer233,234,235 | Promotes cell proliferation, apoptosis, EMT, poor prognosis of patients, promotion of E2F1, cyclin D1, and cyclin E1 expression (PI3K/PTEN/Akt signaling, TGF-β/Smad signaling pathway) |
 PCAF | / | Suppressor | Colorectal cancer, gastric cancer, prostate cancer, breast cancer236,237,238 | Decreased PCAF is associated with 5-FU resistance, poor clinical outcome (PCAF-p16-CDK4 axis, p53, miR-17) |
MYST | ||||
 HTATIP | TIP60 | Promoter | Promotes cancer cell EMT, metastasis, radioresistance | |
| Â | Â | Suppressor | Breast cancer, lung cancer, bladder cancer, colorectal cancer241,242,243 | Is associated with cell viability and invasion, and low Tip60 expression is correlated with poor overall survival and relapse-free survival |
 MYST1 | MOF | Promoter | Prostate cancer244 | MYST1 increases the resistance to therapeutic regimens and promotes aggressive tumor growth (androgen receptor and NF-κB) |
 MYST2 | HBO1 | Promoter | Ovarian cancer, bladder cancer, breast cancer, pancreatic cancer, leukemia245,246,247 | Promotes cell proliferation, enrichment of cancer stem-like cells, gemcitabine resistance (Wnt/β-catenin signaling) |
 MYST3 | MOZ | Promoter | Promotes cell proliferation, activates ERα expression (multiple fusion proteins: MOZ-TIF2, MOZ-NCOA2 and MOZ-CBP) | |
 MYST4 | MORF | Promoter | Leukemia251 | MORF-CREBBP fusion |
p300/CBP | ||||
 P300 | EP300, KAT3B | Promoter | Laryngeal squamous cell carcinoma, leukemia, nasopharyngeal carcinoma, hepatocellular carcinoma, cutaneous squamous cell carcinoma, head and neck squamous cell carcinoma, colorectal cancer, breast cancer, lung cancer, gastric cancer, prostate cancer, cervical cancer, pancreatic cancer252,253,254,255,256,257 | Promotes cell proliferation, migration, invasion, EMT, and malignant transformation, is associated with advanced clinical stage, poor recurrence-free survival and overall survival, enhances ERα expression and contributes to tamoxifen resistance, castration resistance, and gemcitabine sensitivity, (p21, p27, β-catenin, MLL-p300, MOZ-p300 fusion, Smad2 and Smad3 in the TGF-β signaling pathway, p300/YY1/miR-500a-5p/HDAC2 signaling axis) |
| Â | Â | Suppressor | Downregulation of P300 is associated with chemosensitivity to 5-FU treatment and doxorubicin resistance | |
 CBP | CREBBP, KAT3A | Promoter | Lung cancer, leukemia, gastric cancer, ovarian cancer, prostate cancer, hepatocellular carcinoma256,260,261,262 | Is associated with drug resistance, a highly tumorigenic, cancer stem-like phenotype and enhances the activity of estrogen receptor-beta (ER-β) (CXCL8, PI3K/Akt/β-catenin/CBP axis); KAT6A-CREBBP, MOZ-CBP, MORF-CREBBP, MLL-CBP fusions in leukemia |
| Â | Â | Suppressor | Loss of CBP reduces transcription of cellular adhesion genes while driving tumorigenesis | |
SRC/p160 | ||||
 NCOA1 | SRC1 | Promoter | Prostate cancer, colon cancer, breast cancer, hepatocellular carcinoma, head and neck squamous cell carcinoma265,266,267 | Promotes cell invasion, proliferation, metastasis, is associated with shorter overall survival and progression-free survival (M-CSF1, miR-4443, miR-105-1) |
 NCOA2 | TIF2 | Promoter | Is associated with resistance to AR antagonism and bicalutamide; MOZ-TIF2 fusion in leukemia | |
| Â | Â | Suppressor | TIF2 is able to impair protumorigenic phenotypes | |
 NCOA3 | AIB1, ACTR | Promoter | Ovarian cancer, breast cancer, bladder cancer, gastric cancer, lung cancer, prostate cancer, hepatocellular carcinoma, esophageal squamous cell carcinoma, colorectal cancer, pancreatic cancer272,273,274,275 | Promotes cell proliferation, EMT, metastasis, invasiveness and is correlated to higher estrogen receptor expression, poor PFS and OS and predicts resistance to chemoradiotherapy (AKT, E2F1, SNAI1, cyclin E, cdk2, p53, matrix metalloproteinase 2 (MMP2) and MMP9 expression); however, high AIB1 expression has been correlated to both a good response to adjuvant tamoxifen and tamoxifen resistance. |
Others | ||||
 ATF-2 | CREB2, CREBP1 | Promoter | Pancreatic cancer, lung cancer, renal cell carcinoma, leukemia276,277,278 | Promotes cell proliferation, EMT, gemcitabine sensitivity (JNK1/c-Jun and p38 MAPK/ATF-2 pathways, miR-451); however, the level of ATF-2 is a key determinant of the sensitivity to tamoxifen |
 TFIIIC | / | Promoter | Ovarian cancer279 | TFIIIC is overexpressed in cancer tissues |
 TAF1 | TAFII250 | / | / | / |
 CLOCK | KIAA0334 | Promoter | Promotes cell proliferation, migration, and invasion, is associated with drug resistance (cisplatin) | |
| Â | Â | Suppressor | Lung cancer282 | Is associated with cancer progression and metastasis |
 CIITA | MHC2TA | Suppressor | Breast cancer, colorectal cancer, gastric cancer, head and neck cancer, hepatocellular carcinoma283,284,285 | Regulates the expression of MHC II and HLA-DR induction |
 MGEA5 | NCOAT | promoter | Laryngeal cancer286 | Is associated with larger tumor size, nodal metastases, higher grade and tumor behavior (TGFBR3-MGEA5 fusion) |
| Â | Â | Suppressor | Breast cancer287 | MGEA5 transcript levels were significantly lower in grade II and III than in grade I tumors; associated with lymph node metastasis |
 CDY | / | / | / | / |
Acetyl-lysine binding protein: the readers | ||||
BRD and extraterminal domain (BET) proteins family | ||||
 BRD2-4, BRDt | / | Promoter | Breast cancer, prostate cancer, gastric tumors, lung cancer, ovarian carcinoma, pancreatic cancer, hematologic malignancy, Ewing sarcoma, glioblastoma, melanoma288,289,290,291 | Is associated with cell proliferation, self-renewal, metabolism, metastasis, and expression of immune checkpoint molecules (oncogenic AR and MYC signaling, AMIGO2-PTK7 axis, Jagged1/Notch1 signaling, IKK activity) |
Histone deacetylases (HDACs): the erasers | ||||
HDAC Class I | ||||
 HDAC1 | / | Promoter | Thyroid cancer, lung cancer, ovarian cancer, breast cancer, colorectal cancer, pancreatic cancer, esophageal cancer, gallbladder cancer, prostate cancer, gastric cancer292,293,294,295 | Promotes cell invasion, viability, apoptosis, EMT; is associated with chemotherapy response. (CXCL8, P53, p38 MAPK, miRNA-34a) |
 HDAC2 | / | Promoter | Pancreatic cancer, colorectal cancer, lung cancer, squamous cell carcinoma, hepatocellular carcinoma, breast cancer, prostate cancer, renal carcinoma, ovarian cancer, gastric cancer296,297,298,299,300 | Promotes cell proliferation, metastasis, invasion, clonal expansion and EMT (E-cadherin, p63, mTORC1, AKT, PELP1/HDAC2/miR-200, p300/YY1/miR-500a-5p/HDAC2 axis, Sp1/HDAC2/p27 axis) |
 HDAC3 | / | Promoter | Colorectal cancer, pancreatic cancer, breast cancer, colorectal cancer, prostate cancer, esophageal cancer, lung cancer301,302,303,304 | Promotes cell proliferation and invasion, migration, chemosensitivity; increases PD-L1 expression (NF‑κB signaling) |
 HDAC8 | / | Promoter | Promotes cell migration, affects cell morphology and promotes the cell cycle (p53, HDAC8/YY1 axis) | |
| Â | Â | Suppressor | Breast cancer308 | HDAC8 suppresses EMT (HDAC8/FOXA1 signaling) |
HDAC Class II | ||||
 HDAC4 | / | Promoter | Head and neck cancer, breast cancer, colorectal cancer, gastric cancer, ovarian cancer, prostate cancer309,310,311 | Promotes cell viability, drug resensitization (tamoxifen, platinum) (STAT1, p21, miR-10b) |
 HDAC5 | / | Promoter | Breast cancer, colorectal cancer, lung cancer, prostate cancer312,313 | Promotes cell proliferation, invasion, migration and EMT; is associated with hormone therapy resistance (HDAC5-LSD1 axis, Survivin and miR-125a-5p, miR-589-5p) |
 HDAC6 | / | Promoter | Cervical cancer, breast cancer, colorectal cancer, gastric cancer, lung cancer, prostate cancer, liver cancer, ovarian cancer314,315,316,317 | Promotes pluripotency of CSCs, cancer cell proliferation and migration (α-tubulin, heat shock protein (HSP) 90, the NF-κB/MMP2 pathway, JNK/c-Jun pathway, miR-22, miR-221) |
 HDAC7 | / | Promoter | Breast cancer, colorectal cancer, prostate cancer, ovarian cancer318,319,320 | Is associated with cancer stem cell-specific functions, tumor growth and invasion, and therapy resistance (miR-489, miR-34a) |
 HDAC9 | / | Promoter | Breast cancer321 | Enhances invasive and angiogenic potential (miR-206) |
| Â | Â | Suppressor | Lung cancer322 | HDAC9 is downregulated in adenocarcinomas; is associated with tumor growth ability |
 HDAC10 | / | Promoter | Promotes cells proliferation, reduced DNA repair capacity and sensitization to platinum therapy (AKT phosphorylation) | |
HDAC Class III: sir2-like proteins (sirtuins) | ||||
 Sirt1 | / | Promoter | Breast cancer, colorectal cancer, prostate cancer, liver cancer, lung cancer, pancreatic cancer, cervical cancer, gastric cancer, ovarian cancer325,326,327 | Promotes cell proliferation, migration, metastasis, EMT, metabolic flexibility and self-renewal of cancer stem cells, chemoresistance (miR-30a, miR-15b-5p) |
 Sirt2 | / | promoter | Colorectal cancer lung cancer, renal cell carcinoma, gastric cancer, cervical cancer328,329,330 | Highly expressed in stem-like cells and promotes migration, invasion and metastasis (p53, RAS/ERK/JNK/MMP-9 pathway) |
| Â | Â | Suppressor | Sensitizes cancer cells to intracellular DNA damage and the cell death induced by oxidative stress, and low Sirt2 levels were associated with poor patient survival (p27) | |
 Sirt3 | / | Promoter | Is associated with PD-L1-induced lymph node metastasis (p53) | |
|  |  | Suppressor | Pancreatic cancer, breast cancer, prostate cancer, gastric cancer, ovarian cancer336,337,338 | Loss of SIRT3 leads to reactive oxygen species (ROS) generation that amplifies HIF-α stabilization; metastasis (c-MYC, CagA, PI3K/Akt pathway, Wnt/β-catenin pathway, AMP-activated protein kinase (AMPK)) |
 Sirt4 | / | Suppressor | Pancreatic cancer, thyroid cancer, gastric cancer, colorectal cancer339,340 | Promotes cell proliferation, aerobic glycolysis, migration and invasion, and in inhibition of glutamine metabolism (E-cadherin) |
 Sirt5 | / | Promoter | Promotes autophagy, cell proliferation, and drug resistance, and is associated with poor clinical outcomes | |
| Â | Â | Suppressor | Inhibits peroxisome-induced oxidative stress (CDK2) | |
 Sirt6 | / | Promoter | Enhances cytokine production, and promotes EMT, cell migration and tumor metastasis, and predicts poor prognosis (ERK1/2/MMP9 pathway, SIRT6/Snail/KLF4 axis) | |
|  |  | Suppressor | Promotes increased glycolysis, cancer cell proliferation and tumor growth, and is associated with paclitaxel, epirubicin, and trastuzumab sensitivity (survivin, NF-κB pathway) | |
 Sirt7 | / | Promoter | Accelerates cell growth, proliferation, motility and apoptosis (MAPK pathway) | |
|  |  | Suppressor | Pancreatic cancer, breast cancer, lung cancer, colorectal cancer353,354,355 | Sensitizes to gemcitabine and radiotherapy, and low levels of SIRT7 are associated with an aggressive tumor phenotype and poor outcome (TGF-β signaling, p38 MAPK) |
HDAC Class IV | ||||
 HDAC11 | / | Promoter | Liver cancer, Hodgkin lymphoma, neuroblastoma, colorectal cancer, prostate cancer, breast cancer, ovarian cancer356,357,358,359 | Promotes the mitotic cell cycle, cell apoptosis; is associated with cancer progression and survival (OX40 ligand, p53) |