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2017 ; 7
(ä): 34
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The roles of microRNA families in hepatic fibrosis
#MMPMID28680559
Jiang XP
; Ai WB
; Wan LY
; Zhang YQ
; Wu JF
Cell Biosci
2017[]; 7
(ä): 34
PMID28680559
show ga
When hepatocytes are damaged severely, a variety of signaling pathways will be
triggered by inflammatory factors and cytokines involving in the process of
hepatic fibrosis. The microRNA (miRNA) family consists of several miRNAs which
have the potential for synergistic regulation of these signaling pathways.
However, it is poor to understand the roles of miRNA family as a whole in hepatic
fibrosis. Increasing studies have suggested several miRNA families are related
with activation of hepatic stellate cells and hepatic fibrosis through
cooperatively regulating certain signaling pathways. During the process of
hepatic fibrosis, miR-29 family primarily induces cell apoptosis by modulating
phosphatidylinositol 3-kinase/AKT signaling pathway and regulates extracellular
matrix accumulation. miR-34 family promotes the progression of hepatic fibrosis
by inducing activation of hepatic stellate cells, while miR-378 family suppresses
the process in Glis dependent manner. miR-15 family mainly promotes cell
proliferation and induces apoptosis. The miR-199 family and miR-200 family are
responsible for extracellular matrix deposition and the release of pro-fibrotic
cytokines. These miRNA family members play pro-fibrotic or anti-fibrotic roles by
targeting genes collectively or respectively which involve in hepatic fibrosis
related signaling pathways and hepatic stellate cell activation. Thus, good
understandings of molecular mechanisms which are based on miRNA families may
provide new ideas for the molecular targeted therapy of hepatic fibrosis in the
future.