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2017 ; 31
(5
): 653-668.e7
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
CHD4 Has Oncogenic Functions in Initiating and Maintaining Epigenetic Suppression
of Multiple Tumor Suppressor Genes
#MMPMID28486105
Xia L
; Huang W
; Bellani M
; Seidman MM
; Wu K
; Fan D
; Nie Y
; Cai Y
; Zhang YW
; Yu LR
; Li H
; Zahnow CA
; Xie W
; Chiu Yen RW
; Rassool FV
; Baylin SB
Cancer Cell
2017[May]; 31
(5
): 653-668.e7
PMID28486105
show ga
An oncogenic role for CHD4, a NuRD component, is defined for initiating and
supporting tumor suppressor gene (TSG) silencing in human colorectal cancer. CHD4
recruits repressive chromatin proteins to sites of DNA damage repair, including
DNA methyltransferases where it imposes de novo DNA methylation. At TSGs, CHD4
retention helps maintain DNA hypermethylation-associated transcriptional
silencing. CHD4 is recruited by the excision repair protein OGG1 for oxidative
damage to interact with the damage-induced base 8-hydroxydeoxyguanosine (8-OHdG),
while ZMYND8 recruits it to double-strand breaks. CHD4 knockdown activates
silenced TSGs, revealing their role for blunting colorectal cancer cell
proliferation, invasion, and metastases. High CHD4 and 8-OHdG levels plus low
expression of TSGs strongly correlates with early disease recurrence and
decreased overall survival.
|*DNA Methylation
[MESH]
|*Epigenetic Repression
[MESH]
|*Gene Expression Regulation, Neoplastic
[MESH]
|*Gene Silencing
[MESH]
|*Genes, Tumor Suppressor
[MESH]
|8-Hydroxy-2'-Deoxyguanosine
[MESH]
|Animals
[MESH]
|Autoantigens/*genetics/metabolism
[MESH]
|Cell Movement
[MESH]
|Cell Proliferation
[MESH]
|Clustered Regularly Interspaced Short Palindromic Repeats
[MESH]