Abstract
SummaryRapid freezing of cells and tissues, followed by freeze‐substitution fixation and plastic embedding, has become a highly reliable method for preparing samples for imaging in the electron microscope. High‐pressure freezing is an efficient means of immobilizing suspensions of yeasts, thick pellets of mammalian cells, or small (< 0.5 mm) pieces of plant or animal tissue. Monolayers of cultured mammalian cells that are too thick for efficient immobilization by other modes of rapid freezing have also been successfully preserved by this method. Monolayer cultures are often important because they can be imaged by light microscopy (LM) both before and after their preparation for electron microscopy (EM). Additionally, some monolayer cultures serve as model systems for physiological processes, so it is important that cells under study can grow on a substrate that is both physiologically appropriate and convenient for EM processing. Here we describe a reliable method for preparing mammalian cell monolayers (PtK1 and polarized MDCK) for EM. Our protocol results in good preservation of cellular ultrastructure, it is a useful companion to studies of cell physioloy and, with some limitation, is suitable for correlative LM and EM.
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Dates
Type | When |
---|---|
Created | 21 years, 10 months ago (Oct. 14, 2003, 6:34 a.m.) |
Deposited | 1 year, 10 months ago (Oct. 14, 2023, 1:19 p.m.) |
Indexed | 11 months, 2 weeks ago (Sept. 6, 2024, 8:38 p.m.) |
Issued | 21 years, 10 months ago (Oct. 1, 2003) |
Published | 21 years, 10 months ago (Oct. 1, 2003) |
Published Online | 21 years, 10 months ago (Oct. 1, 2003) |
Published Print | 21 years, 10 months ago (Oct. 1, 2003) |
@article{Morphew_2003, title={The use of filter membranes for high‐pressure freezing of cell monolayers}, volume={212}, ISSN={1365-2818}, url={http://dx.doi.org/10.1046/j.1365-2818.2003.01231.x}, DOI={10.1046/j.1365-2818.2003.01231.x}, number={1}, journal={Journal of Microscopy}, publisher={Wiley}, author={Morphew, M. K. and Mcintosh, J. R.}, year={2003}, month=oct, pages={21–25} }