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Multiparameter analysis of primary epithelial cultures grown on cyclopore membranes

WI De Boer, JM Rebel, M Vermey, CD Thijssen and TH Van der Kwast

Department of Pathology, Erasmus University, Rotterdam, The Netherlands.

The use of porous membranes as culture support for epithelial cells has previously been shown to cause functional differentiation of these cells mimicking an in vivo condition, in contrast to culture on plastic. The different materials of which the membranes are made also have different properties, such as transparency, rigidity, and retention of molecules. Cyclopore membranes (polyethylene terephtalate) are permeable, transparent, rigid, and have low protein retention. In this study we examined the applicability of assessing multiple parameters on a single culture of primary epithelial cells on a Cyclopore membrane. Cultures of transitional epithelial cells on these membranes differentiate into an organoid-like epithelium. We were able to perform morphometric analysis during and after cell culture and to quantitate proliferation and differentiation by double immunoenzymatic staining. On these cultures, quantitative radiochemical analysis could also be achieved, retaining the morphology and the immunohistochemical staining. Cross-sections of paraffin-embedded and plastic-embedded cultures were analyzed qualitatively by light and transmission electron microscopy, respectively. Finally, cytokeratins in these cultures could also be visualized by immunofluorescence analysis. This suitability for simultaneous assessment of both qualitative and quantitative parameters on a single cell culture grown on a Cyclopore membrane reduces the need of biological materials and may lead to better insight into physiological processes.

Volume 42, Issue 2, pp. 277-282, 02/01/1994
Copyright © 1994 by The Histochemical Society


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