期刊
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
卷 284, 期 -, 页码 464-469出版社
ELSEVIER
DOI: 10.1016/j.colsurfa.2005.11.098
关键词
cell adhesion; hepatocyte; self-organization; hepatic function; cell surface interaction
Hepatocytes were cultured on a honeycomb-patterned polymer film (honeycomb film) formed by self-organization in order to investigate the influence of the honeycomb pattern on cell behavior. The changes in cell morphologies and actin filaments were observed by optical, fluorescence, and scanning electron microscopy. Hepatocytes were flattened, and the actin filaments appeared conspicuously in the spreading regions on a flat film. In contrast, the hepatocytes that were cultured on the honeycomb film were observed to form a spherical shape, and the actin filaments were localized inside the edge of the spheroid. The spheroids were observed within several hours after seeding on the honeycomb film; they were attached and the spheroid shape was maintained without any deformation. The spheroids expressed a higher level of liver specific function than the cell monolayers on the flat film. These results suggest that the honeycomb film is a suitable material for tissue engineering scaffolds and biomedical devices. (c) 2005 Elsevier B.V. All rights reserved.
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