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Correlation of Rac1 signalling and activation of PAK1, BCL-6 or STAT5 in different cell lines. Equivalent lysate quantities of DLD-1, SW480 and HT29 colorectal cells were separated by gel electrophoresis and analysed by Western blot using the indicated antibodies to compare protein levels. The active Rac1 fraction was obtained by CRIB-pull down assays, as described (6).
