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Description

A cell-permeable methylanthranilate analog that reversibly inhibits vesicular traffic from ER to Golgi in mammalian cells (IC50 = 20 µ,M in BSC1 cells) by inducing tubulation and collapsing of the Golgi membrane and redirecting the traffic back to ER. Acts as a potent and selective modifier of Golgi ARF1 GTPase activity. Unlike another membrane traffic inhibitor Brefeldin A (BFA, Cat. No. 203729), its effect seems to be limited to Golgi, as no effect can be detected on endocytic organelles, such as endosomes and TGN (trans-Golgi network). Its inhibitory mechanism and target(s) appear to be quite different from those of BFA and thus serves as a valuable alternative that complements BFA in membrane traffic studies., A cell-permeable methylanthranilate analog that reversibly blocks vesicular traffic from the ER to the Golgi in mammalian cells (IC50 = 20 µ,M in BSC1 cells) by inducing tubulation and collapsing of the Golgi membrane and re-directing the traffic back to the ER. Acts as a potent and selective modifier of Golgi ARF1 GTPase activity. Unlike another membrane traffic inhibitor, Brefeldin A (BFA) (Cat. No. 203729), the effects appear to be limited to the Golgi, as no effects are detected on endocytic organelles, such as endosomes and trans-Golgi network (TGN). The inhibitory mechanism and target(s) appear to be different from those of BFA, thus making it a valuable alternative that complements BFA in membrane trafficking studies.