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2015 ; 15
(ä): 159
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Combination of sorafenib and gadolinium chloride (GdCl3) attenuates
dimethylnitrosamine(DMN)-induced liver fibrosis in rats
#MMPMID26572488
Liu C
; Yang Z
; Wang L
; Lu Y
; Tang B
; Miao H
; Xu Q
; Chen X
BMC Gastroenterol
2015[Nov]; 15
(ä): 159
PMID26572488
show ga
BACKGROUND/AIMS: Liver sinusoidal endothelial cells (SECs), hepatic stellate
cells (HSCs) and Kupffer cells (KCs) are involved in the development of liver
fibrosis and represent a potential therapeutic target. The therapeutic effects on
liver fibrosis of sorafenib, a multiple tyrosine kinase inhibitor, and gadolinium
chloride (GdCl3), which depletes KCs, were evaluated in rats. METHODS: Liver
fibrosis was induced in rats with dimethylnitrosamine, and the effects of
sorafenib and/or GdCl3 in these rats were monitored. Interactions among ECs, HSCs
and KCs were assessed by laser confocal microscopy. RESULTS: The combination of
sorafenib and GdCl3, but not each agent alone, attenuated liver fibrosis and
significantly reduced liver function and hydroxyproline (Hyp). Sorafenib
significantly inhibited the expression of angiogenesis-associated cell markers
and cytokines, including CD31, von Willebrand factor (vWF), and vascular
endothelial growth factor, whereas GdCl3 suppressed macrophage-related cell
markers and cytokines, including CD68, tumor necrosis factor-?, interleukin-1?,
and CCL2. Laser confocal microscopy showed that sorafenib inhibited vWF
expression and GdCl3 reduced CD68 staining. Sorafenib plus GdCl3 suppressed the
interactions of HSCs, ECs and KCs. CONCLUSION: Sorafenib plus GdCl3 can suppress
collagen accumulation, suggesting that this combination may be a potential
therapeutic strategy in the treatment of liver fibrosis.