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KMID : 0894520080120020183
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Development & Reproduction
2008 Volume.12 No. 2 p.183 ~ p.194
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Hepatic Differentiation of Human Eyelid Adipose-Derived Stem Cells
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Park Soo-Yeon
Park Se-Ah
Kang Hyun-Mi
Kim Hae-kwon
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Abstract
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A variety of stem cells has been emerging as therapeutic cells that can replace organ transplantation in human liver diseases. The present study focused on whether human eyelid adipose-derived stem cells (HAD) might differentiate into functional hepatocyte-like cells in vitro. HAD were isolated from human eyelid adipose tissue. Effect of dimethyl sulfoxide (DMSO), fibroblast growth factor (FGF)-2 and FGF-4 on the hepatic differentiation of HAD have been examined in vitro. Immunocytochemical analysis and PAS staining showed that HAD cultured in both DMSO and FGF-4 exhibited the most intense staining than HAD of the other experimental groups. These HAD expressed numerous hepatocyte-related genes. Immunoblotting analyses showed that HAD cultured in the presence of DMSO and FGF-4 secreted higher amount of human albumin than HAD cultured in other conditions. Urea analysis also demonstrated that these HAD produced higher amount of urea than any other groups of HAD. In conclusion, combined treatment of DMSO and FGF-4 could effectively induce the functional differentiation of HAD into hepatocyte-like cells.
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KEYWORD
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Human adipose-derived stem cells, Hepatocyte-like cells, Albumin secretion, Urea assay, Western blotting
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