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Drug-Induced Alterations of Cytokeratin Organization in Cultured Epithelial Cells
Loren W. Knapp, W. Michael O'Guin and Roger H. Sawyer
New Series, Vol. 219, No. 4584 (Feb. 4, 1983), pp. 501-503
Published by: American Association for the Advancement of Science
Stable URL: http://www.jstor.org/stable/1690872
Page Count: 3
You can always find the topics here!Topics: Keratins, Epidermal cells, Epithelial cells, Cytochalasins, Cultured cells, Cytoskeleton, Microtubules, Cell lines, Antiserum, Microfilaments
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The distribution of keratin intermediate filaments, previously considered static in organization and imperturbable by conventional drugs used to alter the structure and organization of the cytoskeleton, can be altered significantly by treatment with colchicine and cytochalasin D. The loss of microfilaments and microtubules converts the keratin cytoskeleton from a branching, even distribution to a series of starlike structures whose filaments are maintained by multiple membrane attachment sites. These findings provide a means for manipulating cytokeratin organization to investigate the role of keratins in cytoskeletal structure and function.
Science © 1983 American Association for the Advancement of Science