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Deprecated: Implicit conversion from float 284.79999999999995 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 BMC+Gastroenterol 2015 ; 15 (ä): ä Nephropedia Template TP
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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[]; 15 (ä): ä PMID26572488show 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. Electronic supplementary material: The online version of this article (doi:10.1186/s12876-015-0380-5) contains supplementary material, which is available to authorized users.