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Culture and Characterization of Sinusoidal Endothelial Cells Isolated from Human Liver
George W. Daneker, Serena A. Lund, S. Wright Caughman, Robert A. Swerlick, Andrew H. Fischer, Charles A. Staley and Edwin W. Ades
In Vitro Cellular & Developmental Biology. Animal
Vol. 34, No. 5 (May, 1998), pp. 370-377
Published by: Society for In Vitro Biology
Stable URL: http://www.jstor.org/stable/4294782
Page Count: 8
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Although most vascular models use large vessel endothelial cells from human umbilical veins, there is marked heterogeneity among endothelial cells from different vascular beds and organs. More accurate modeling of endothelial involvement in liver diseases, including metastasis, may result from the use of human hepatic sinusoidal endothelial cells. Liver resection specimens were sectioned, then treated with a 1.2 U/ml dispase solution. The tissue slurry was mechanically disaggregated and separated by centrifugation on a Percoll density gradient. Cells were then cultured in an endothelial-specific media with growth factors. These techniques resulted in a homogeneous monolayer consistent with endothelial cells by light microscopy. An endothelial origin was further confirmed by the expression of Factor VIII, binding of Ulex lectin, and uptake of acetylated low density lipoprotein. Electron microscopy showed transcellular fenestrations consistent with a sinusoidal origin. These human hepatic sinusoidal endothelial cells were then studied for expression of the adhesion molecules CD31/PECAM, CD34, E-selectin, ICAM-1, L-selectin, LFA-3, P-selectin, and VCAM-1 plus the binding of wheat germ agglutinin lectin. The patterns of adhesion molecule expression and lectin binding by these cells are characteristic of hepatic sinusoidal endothelia. In this paper, we have described a method for isolation and culture of human cells with the morphologic and phenotypic characteristics of hepatic sinusoidal endothelia.
In Vitro Cellular & Developmental Biology. Animal © 1998 Society for In Vitro Biology