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Table 1 Aberrant epigenetic changes of the major components in cancer-related signaling pathways

From: Epigenetic heterogeneity in cancer

Signaling pathway

Gene

Major role

Alteration

Tumor type

Ref

Cell cycle regulation

p16 (CDKN2A)

G1-S transition

promoter hypermethylation

oral and oropharyngeal squamous cell carcinoma, HCC, GC, CRC, esophageal, lung and ovarian cancer

[44, 45]

CHFR

G2-M transition

promoter hypermethylation

NSCLC, GC, CRC, BC,, HCC, nasopharyngeal, bladder, esophageal, cervical and endometrial cancers

[46]

RASSF1A

M-phase progression

promoter hypermethylation

BC, head and neck cancer, gynecological, lung, prostate, bladder, brain, gastrointestinal, renal and renal cancers, sarcoma melanoma

[47]

Chk2

checkpoint kinase 2, damage sensors

promoter hypermethylation

Glioma, Hodgkin’s lymphoma, NSCLC

[48,49,50]

ATM

cell cycle checkpoint kinase

promoter hypermethylation

BC, gastric lymphoma, glioma, colonic cancer, adenoma

[51]

DNA damage repair

BRCA1

HR repair

promoter hypermethylation

NSCLC, CRC, breast, ovarian, bladder and pancreatic cancers

[52,53,54,55]

BRCA2

HR repair

promoter hypermethylation

NSCLC, BC and ovarian cancers

[56]

FANCF

FA complementation group F

promoter hypermethylation

head and neck cancers, NSCLC, ovarian, breast and cervical cancer

[57]

XRCC5

X-ray repair cross complementing 5, component of NHEJ

promoter hypermethylation

NSCLC, glioma

[56, 58]

WRN

Werner syndrome RecQ like helicase, component of BER

promoter hypermethylation

NSCLC, CRC, GC, prostate, breast and thyroid cancers, non-Hodgkin lymphoma, chondrosarcomas

[59]

MSH2

MutS family protein, MMR ATPase

promoter hypermethylation

hereditary nonpolyposis colorectal cancer, HCC

[60, 61]

RAD23B (hHR23B)

RAD23 homolog B, NER protein

promoter hypermethylation

myeloma

[62]

Wnt pathway

WNT5A

ligand

promoter hypermethylation, histone modification

CRC

[63]

WNT2

ligand

histone modification

CRC

[64]

WIF1

sequesters Wnt proteins

promoter hypermethylation

HCC, GC, BC, CRC, lung cancer

[65,66,67,68]

DKK

LRP5/6 antagonist

promoter hypermethylation, histone modification

NSCLC, BC, CRC, GC, HCC

[63, 69,70,71]

Cadherin

CTNNB1 translocation

promoter hypermethylation

BC, NSCLC, CRC, GC, HCC, ESSC, CLL, pancreatic, bladder and prostate cancers

[72]

APC

binds CTNNB1 to destruction complex

promoter hypermethylation, histone modification

GC, CRC, ESCC, BC, NSCLC, HCC and prostate cancer

[73]

GSK3β

phosphorylates CTNNB1

promoter hypermethylation

CRC

[74]

TGF-β pathway

RUNX3

interacts with SMADs

promoter hypermethylation

GC, HCC, CRC, BC, lung, bladder and pancreatic cancers

[75]

SMAD6/7

inhibits TGF-β-induced SMAD3 activation

promoter hypermethylation, histone methylation

Lung cancer

[76]

DACH1

interacts with NCoR and SMAD4

promoter hypermethylation

GC, ESSC, CRC, HCC, endometrial, lung and renal cancers

[42, 77,78,79]

FBXO32

target of TGF-β signaling pathway

promoter hypermethylation

ESSC, GC and ovarian cancer

[80, 81]

NF-κB pathway

p65 (RelA)

major functional subunit of NF-κB

histone modification

CRC, osteosarcoma

[82, 83]

ZNF382

inhibitor of NF-κB

promoter hypermethylation

GC, ESCC, CRC, BC and nasopharyngeal cancer

[84]

ZNF545

inhibitor of NF-κB

promoter hypermethylation

HCC

[43]

CXCL14

inhibitor of NF-κB

promoter hypermethylation

CRC

[85]

Akt pathway

ADAMTS9

inhibitor of Akt signaling

promoter hypermethylation

CRC

[86]

RAI2

inhibitor of Akt signaling

promoter hypermethylation

CRC

[87]

HIN-1

inhibitor of Akt signaling

promoter hypermethylation

NSCLC

[88]

p53 pathway

RASSF10

agonist of p53 signaling

promoter hypermethylation

CRC, HCC, papillary thyroid carcinoma

[89, 90]

BCL6B

agonist of p53 signaling

promoter hypermethylation

HCC, CRC, GC

[91, 92]

DLEC1

target of p53 signaling

promoter hypermethylation

ESCC, nasopharyngeal, lung carcinomas

[93]

Retinoid acid pathway

CRBP1

retinol-binding protein

promoter hypermethylation

CRC, ESSC, gastrointestinal carcinoma, lymphoma, prostate cancer

[94,95,96,97,98]

RARbeta2

retinoic acid receptor

promoter hypermethylation

BC, lymphoma, gastrointestinal carcinomas, bladder cancer

[97, 99, 100]

Hedgehog pathway

PTCH1

primary receptor

promoter hypermethylation, histone modification

GC, BC, medulloblastoma, basal cell carcinomas

[101,102,103]

SHH

ligand

promoter hypomethylation, histone modification

GC, BC

[104, 105]

HHIP

ligand sequestering

promoter hypermethylation

LAC, GC, HCC, medulloblastoma, pancreatic cancer

[106]

GLI1

transcription activator

histone modification

BC

[107]

GLI3

transcription repressor

promoter hypomethylation

GC

[108]