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Epigenetic Enzymes and Their Mutations in Cancer

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Cancer Epigenetics

Part of the book series: Epigenetics and Human Health ((EHH,volume 11))

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Abstract

Epigenetic mechanisms are crucial for normal development and maintenance of tissue-specific gene expression patterns in mammals. Impaired epigenetic processes can cause alterations in gene function and malignant cellular transformation. It is now known that epigenetic abnormalities, together with genetic changes, have a role in the onset and progression of cancer, which was once thought to be a genetic disease. Recent developments in the field of cancer epigenetics have demonstrated substantial reprogramming of all elements of the epigenetic machinery in cancer, including DNA methylation, histone modifications, nucleosome positioning, and non-coding RNAs. DNA methyltransferases, histone acetyltransferases, and histone deacetylases are a few examples of epigenetic regulatory enzymes that are involved in epigenetic modification. In recent years, an increasing number of studies have demonstrated that mutations in epigenetic regulatory enzymes occur in various cancer types and are closely associated with the malignant phenotype. Hence, research on inhibitors that target these mutant enzymes has gradually shifted into preclinical and clinical stages. In this chapter, we first discuss the epigenetic regulatory enzymes and then how their mutations are associated with carcinogenesis.

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Abbreviations

5′-C:

5′-Residue of cytosine

5caC:

5-Carboxylcytosine

5fC:

5-Formylcytosine

5hmC:

5-Hydroxymethylcytosine

5hmU:

5-Hydroxymethyluracil

α-KG:

α-Ketoglutarate

ADD:

ATRX-DNMT3-DNMT3L domain

ALL:

Acute lymphoblastic leukemia

AML:

Acute myeloid leukemia

ATC:

Anaplastic thyroid carcinoma

ATM:

Ataxia telangiectasia mutant

BAH1 and BAH2:

Bromo-adjacent homology 1 and 2

BER:

Base excision repair

BRCA1:

Breast cancer gene-1

BRD:

Bromodomain

CARM1:

Cofactor-associated arginine methyltransferase

CBP:

CREB-binding protein

CDC6:

Cell division cycle-6

CDK9:

Cyclin-dependent kinase-9

CHIP:

Clonal hematopoiesis of indeterminate potential

CLL:

Chronic lymphocytic leukemia

CN-AML:

Cytogenetically normal acute myeloid leukemia

CR:

Complete response

CRC:

Colorectal cancer

CREB:

cAMP-response element binding protein

DFS:

Disease-free survival

DLBCL:

Diffuse large B-cell lymphoma

DMAP1:

DNA methyltransferase associated protein 1

DNMT1:

DNA methyltransferase 1

DNMT3:

DNA methyltransferase 3

DNMTs:

DNA methyltransferase enzymes

DSBH:

Double-stranded helix

EFS:

Event-free survival

EGFR:

Epidermal growth factor receptor

EMT:

Epithelial–mesenchymal transition

ES:

Embryonic stem

ESCC:

Esophageal squamous cell carcinoma

ESCs:

Embryonic stem cells

EZH:

Enhancer of Zeste Homolog

GBM:

Glioblastoma multiforme

GCB:

Germinal center B-cell-like

GNAT:

GCN5-related N-acetyltransferase

HATs:

Histone acetyltransferases

HBO1:

Lysine acetyltransferase 7 or Histone acetyltransferase bound to origin recognition complex 1

HDAC:

Histone deacetylase

HDLP:

Histone deacetylase-like protein

HDMT:

Histone demethylase

HMTs:

Histone methyltransferases

HPV:

Human papilloma virüs

HSCT:

Hematopoietic stem cell transplant

ICI:

Immune checkpoint inhibitor

IDH:

Isocitrate dehydrogenase

ITD:

Internal tandem duplication

JmJC:

Jumonji C

KAT:

Lysine acetyltransferase

KDM1:

Lysine demethylase 1

KMT:

Lysine methyltransferases

KMT2C:

Histone lysine methyltransferase 2C

LFS:

Leukemia-free survival

LSD1/KDM1A:

Lysine-specific demethylase 1A

MDS:

Myelodysplastic syndrome

MIBC:

Muscle-invasive bladder cancer

MLL:

Mixed lineage leukemia

MORF:

MOZ-related factor

MOZ:

Monocytic leukemic zinc finger protein

ncRNA:

Non-coding RNA

NLS:

A nuclear localization sequence

ORC:

Origin recognition complex

OS:

Overall survival

PADI4:

Peptidyl arginine deiminase 4

PBD:

PCNA binding domain

PBHD:

Polybromo homology domain

PCFBCL:

Primary cutaneous follicular B-cell lymphoma

PCNA:

Proliferating cell nuclear antigen

PD-L1:

Programmed death-ligand 1

PDTC:

Poorly differentiated thyroid carcinoma

PFS:

Progression-free survival

PHD:

Plant homeodomain

PRMT:

Arginine methyltransferases

QM/MM MD:

Quantum mechanics/molecular mechanics molecular dynamics

RFT:

Replication foci targeting domain

SAM:

S-adenosyl-l-methionine

T-ALL:

T-cell acute lymphoblastic leukemia

T-dCyd:

4′-Thio-2′ deoxycytidine

TAF:

TATA box-binding protein (TBP)-associated factors

TBP:

TATA box-binding protein (TBP)

TDG:

Thymine DNA glycosylase

TEs:

Transposable elements

TET:

Ten eleven translocation

TMB:

Tumor mutation burden

TNBC:

Triple-negative breast cancer

TRD:

Target recognition domain

TS:

Targeting sequence

VAF:

Variant allele frequency

VEGF:

Vascular endothelial growth factor

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Correspondence to Ozlem Dalmizrak .

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© 2023 The Author(s), under exclusive license to Springer Nature Switzerland AG

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Dalmizrak, A., Dalmizrak, O. (2023). Epigenetic Enzymes and Their Mutations in Cancer. In: Kalkan, R. (eds) Cancer Epigenetics. Epigenetics and Human Health, vol 11. Springer, Cham. https://doi.org/10.1007/978-3-031-42365-9_2

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