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2015 ; 5
(ä): 17762
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Contribution and Mobilization of Mesenchymal Stem Cells in a mouse model of
carbon tetrachloride-induced liver fibrosis
#MMPMID26643997
Liu Y
; Yang X
; Jing Y
; Zhang S
; Zong C
; Jiang J
; Sun K
; Li R
; Gao L
; Zhao X
; Wu D
; Shi Y
; Han Z
; Wei L
Sci Rep
2015[Dec]; 5
(ä): 17762
PMID26643997
show ga
Hepatic fibrosis is associated with bone marrow derived mesenchymal stem cells
(BM-MSCs). In this study, we aimed to determine what role MSCs play in the
process and how they mobilize from bone marrow (BM). We employed a mouse model of
carbon tetrachloride(CCl4)-induced liver fibrosis. Frozen section was used to
detect MSCs recruited to mice and human fibrotic liver. Alanine aminotransferase
(ALT) and aspartate aminotransferase (AST) was detected to assess liver function.
It was found that MSCs of both exogenous and endogenous origin could aggravate
liver fibrosis and attenuate liver damage as indicated by lower serum ALT and AST
levels. Stromal cell-derived factor-1 (SDF-1?)/ CXCR4 was the most important
chemotactic axis regulating MSCs migration from BM to fibrotic liver. Frozen
section results showed that the migration did not start from the beginning of
liver injury but occurred when the expression balance of SDF-1? between liver and
BM was disrupted, where SDF-1? expression in liver was higher than that in BM.
Our findings provide further evidence to show the role of BM-MSCs in liver
fibrosis and to elucidate the mechanism underlying MSCs mobilization in our early
liver fibrosis mice model induced by CCl4.