期刊
TISSUE ENGINEERING
卷 12, 期 4, 页码 751-761出版社
MARY ANN LIEBERT, INC
DOI: 10.1089/ten.2006.12.751
关键词
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One strategy for temporarily extending the lives of patients with liver failure is the use of bioartificial liver (BAL) support devices. The functional components of BALs are the parenchymal liver cells known as hepatocytes. One design option for further improving current BAL performance levels is to include the non-parenchymal cells of the liver (e. g., Kupffer cells) in the design. In the current study, the effect of Kupffer cells on hepatocyte function was investigated using micropatterned co-cultures of these two liver cell populations. With traditional co-culture methods, the user is unable to control the relative proximity of one cell type to another. In this study, two different micropatterning techniques were used to engineer macro and fine micropatterned configurations for evaluating hepatocyte-Kupffer cell co-cultures. The ratio of one cell population to the other was also adjusted to evaluate the effects on hepatocyte function. The micropatterned co-cultures were maintained for ten days to evaluate for morphological and functional (e. g., albumin, urea) changes. The results illustrate that micropatterning hepatocytes, in the arrangements of this study, significantly improved hepatocyte function.
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