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Journal of Cell Science, Vol 20, Issue 3 699-705, Copyright © 1976 by Company of Biologists

JOURNAL ARTICLES

Brittle fracture of epidermal cells by liquid shear

GM Gray and HJ Yardley

A suspension of epidermal cells obtained from pig tail skin by trypsinization was subjected to high liquid-shear forces in a French press. The material issuing from the press was examined by phase-contrast microscopy, transmission electron microscopy and scanning electron microscopy. The cytoskeleton of tonofibrils retained the shape of cell fragments, and subcellular organelles remained enmeshed in the network of tonofibrils. Examination of some cell fragments by scanning electron microscopy revealed the internal organization of the tonofibrils. The relevance of these findings to the problem of isolating subcellular fractions from epidermis is discussed.




© The Company of Biologists Ltd 1976