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2016 ; 7
(48
): 78331-78342
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Targeting EZH1 and EZH2 contributes to the suppression of fibrosis-associated
genes by miR-214-3p in cardiac myofibroblasts
#MMPMID27823969
Zhu WS
; Tang CM
; Xiao Z
; Zhu JN
; Lin QX
; Fu YH
; Hu ZQ
; Zhang Z
; Yang M
; Zheng XL
; Wu SL
; Shan ZX
Oncotarget
2016[Nov]; 7
(48
): 78331-78342
PMID27823969
show ga
The role of microRNA-214-3p (miR-214-3p) in cardiac fibrosis was not well
illustrated. The present study aimed to investigate the expression and potential
target of miR-214-3p in angiotensin II (Ang-II)-induced cardiac fibrosis.
MiR-214-3p was markedly decreased in the fibrotic myocardium of a mouse Ang-II
infusion model, but was upregulated in Ang-II-treated mouse myofibroblasts.
Cardiac fibrosis was shown attenuated in Ang-II-infused mice received tail vein
injection of miR-214-3p agomir. Consistently, miR-214-3p inhibited the expression
of Col1a1 and Col3a1 in mouse myofibroblasts in vitro. MiR-214-3p could bind the
3'-UTRs of enhancer of zeste homolog 1 (EZH1) and -2, and suppressed EZH1 and -2
expressions at the transcriptional level. Functionally, miR-214-3p mimic, in
parallel to EZH1 siRNA and EZH2 siRNA, could enhance peroxisome
proliferator-activated receptor-? (PPAR-?) expression and inhibited the
expression of Col1a1 and Col3a1 in myofibroblasts. In addition, enforced
expression of EZH1 and -2, and knockdown of PPAR-? resulted in the increase of
Col1a1 and Col3a1 in myofibroblasts. Moreover, the NF-?B signal pathway was
verified to mediate Ang-II-induced miR-214-3p expression in myofibroblasts. Taken
together, our results revealed that EZH1 and -2 were novel targets of miR-214-3p,
and miR-214-3p might be one potential miRNA for the prevention of cardiac
fibrosis.
|3' Untranslated Regions
[MESH]
|Angiotensin II
[MESH]
|Animals
[MESH]
|Binding Sites
[MESH]
|Cardiomyopathies/chemically induced/genetics/metabolism/*prevention & control
[MESH]
|Cells, Cultured
[MESH]
|Collagen Type I, alpha 1 Chain
[MESH]
|Collagen Type I/genetics/metabolism
[MESH]
|Collagen Type III/genetics/metabolism
[MESH]
|Disease Models, Animal
[MESH]
|Enhancer of Zeste Homolog 2 Protein/genetics/*metabolism
[MESH]