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Golgi association of ARFGAP2 and ARFGAP3 is promoted by ARF1-GTP. A, cells expressing ARF1WT or ARF1Q71L were treated with BFA (5 μg/ml) and stained with antibodies against ARFGAP2 (top) or ARFGAP3 (bottom). Scale bar, 10 μm. B, quantification of this effect. The proportion of cells (percentage of control) exhibiting typical Golgi staining of the ARFGAPs after expression of ARF1Q71L demonstrates the protective effect of this expression.
