Abstract
A refined version of a method described previously for dissociating hepatocytes from fixed liver is described. The objective was to develop a procedure that would dispense with the postosmication of previously fixed tissue. In the new procedure fixed liver blocks are wrapped with a quadruple layer of nylon cloth, and, by squeezing them in a buffer solution, individually dissociated cells pass through the cloth without significant damage. The procedure makes it possible to dissociate liver tissue fixed with modified Karnovsky's fixative, Zamboni's fixative or cacodylate buffered glutaraldehyde. The subsequent compatibility of the single cells obtained with many cytochemical procedures has been confirmed.
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