G. HeLa cells transfected or not with WT GFP-Rab1B were left untreated or treated with SA and stained for GM130 and G3BP to monitor SGs. Dashed white line, WT GFP-Rab1B transfected cells. Scale bar, 10 µm. The graph shows quantification of Golgi objects in the different conditions. NT: non-transfected. Mean ± s.e.m. of three independent experiments. ****p<0.0001, Student's unpaired two-tailed t-test. 