Rho GTPase activation assays

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25 Citations (Scopus)


The Rho GTPase family of signaling proteins controls a wide range of highly dynamic cellular processes. Activation of Rho GTPases can be investigated and quantified in cell extracts using so-called pull-down assays. Proteins that bind specifically to the activated form of the Rho GTPase are used to capture it onto a bead support. Western blotting of the captured samples with specific antibodies then allows for quantification of the level of Rho GTPase activation in the sample. This unit describes the techniques for preparing the reagents required for assays of RhoA, Rac, and Cdc42 and gives practical tips for the successful application of the assay in a range of situations. Curr. Protoc. Cell Biol. 38:14.8.1-14.8.19. © 2008 by John Wiley & Sons, Inc.
Translated title of the contributionRho GTPase activation assays
Original languageEnglish
JournalCurrent Protocols in Cell Biology
VolumeUnit 14.8
Publication statusPublished - 2008

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