Cell-Based Screen for Identification of Inhibitors of Tubulin Polymerization

Journal of Natural Products
1996.0

Abstract

This assay is based on morphological changes of rat glioma cells treated with db-cAMP. The db-cAMP treatment induces a tubulin-dependent change causing the cells to acquire a spherical shape. Pretreatment with tubulin inhibitors brings about the disintegration of tubulin polymer and/or prevents its polymerization. Cells with inhibited tubulin fail to respond to db-cAMP treatment. Cells treated with inhibitors of tubulin polymerization are then separated from the spherical cells by aspiration. A semiautomated scanning procedure evaluates the final culture density and yields graphical data.

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