C. Co-staining of CLIMP63 (green) and TMEM192-HA (lysosomes, red) in control and TFEB;3KO RCS treated with FGF18 (50 ng/mL for 16 hours). BaFA1 was used at 100 nM for 3h. Scale bar 15 μm and 2 μm (higher magnification boxes). 