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. 2013 Sep 30;202(7):1107–1122. doi: 10.1083/jcb.201307084

Figure 4.

Figure 4.

Regulation of the lysosomal recruitment of FLCN by amino acid availability and FNIP1. (A) Western blot analysis of the 3xHA-tagged endogenous FLCN and phosphorylated S6 protein ± FLCN knockdown. (B) Representative immunofluorescence experiment showing the effect of FLCN knockdown on the levels of endogenous 3xHA-FLCN. (C) Representative images showing the effect of starvation (2 h serum and amino acid–free RPMI) and amino acid re-feeding (1× MEM amino acid solution, 15 min) on 3xHA-tagged endogenous FLCN and LAMP1 in control conditions or (D) after FNIP1 knockdown. All images obtained by line scanning confocal microscopy. Bars: (B–D) 10 µm; (inset) 5 µm. All experiments were performed in HeLa cells.