Liver slices as a model to study fibrogenesis and test the effects of anti-fibrotic drugs on fibrogenic cells in human liver

Toxicology in Vitro : an International Journal Published in Association with BIBRA
Marja van de BovenkampP Olinga

Abstract

Cell culture models have contributed significantly to the study of liver fibrosis, but cannot accurately incorporate in vivo cell-cell and cell-extracellular matrix interactions or account for the heterogeneity of the fibrogenic cell population involved in fibrosis development. Thus, there persists a need for an in vitro model that mimics the in vivo situation more closely, which may be provided by using precision-cut liver slices. In the present study we evaluated human liver slices as a tool to study fibrogenesis and test anti-fibrotic drugs. In this study we examined the responses of fibrogenic cells in human liver slices during control incubation and studied the effect of the anti-fibrotic compound pentoxifylline both during control incubation and after induction of early hepatic stellate cell (HSC) activation by carbon tetrachloride. After prolonged (>24 h) incubation, alphaSMA and pro-collagen 1a1 mRNA expression in human liver slices started to increase. Analysis of synaptophysin and fibulin-2 mRNA expression indicated that both activated HSC and other (myo)fibroblasts may be involved in this process. This response of fibrogenic cells to prolonged incubation of the liver slices was accompanied by an increased collagen pr...Continue Reading

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