结论：肝窦状内皮细胞在体外培养条件下自发永生化。
Conclusions: in vitro sinusoid endothelial cells could spontaneously immortalize. Some biological characteristics of immortalized cells changed.
肝星状细胞、成纤维细胞和窦状隙内皮细胞是肝内ctgf的重要来源。
It can be concluded that CTGF was mainly produced in hepatic stellate cells, sinusoidal endothelial cells and fibroblasts.
CTGF的表达主要集中于汇管区和纤维化区，肝星状细胞、成纤维细胞和窦状隙内皮细胞染色常呈阳性。
CTGF was mainly expressed in portal tracts and fibrotic areas. Positive staining was observed in hepatic stellate cells, sinusoidal endothelial cells and fibroblasts.
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