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. 2020 Feb 18;13:19. doi: 10.3389/fnmol.2020.00019

Figure 4.

Figure 4

Wild type and aggregated-prone TDP-43 forms are present in lysosomal fractions isolated from cell culture. (A) The lysosomal fraction was isolated from cell line over-expressing Flag-TDP-43 WT during 72 h, then endogenous, as well as Flag-tagged protein was evaluated by Western blot. (B) The lysosomal fraction was isolated from cell line over-expressing Flag-TDP-12xQ/N during 72 h, then endogenous, as well as Flag-tagged protein was evaluated by Western blot. PSN, post-nuclear fraction; F1, post-nuclear fraction after 1st ultracentrifugation step; Mit/Lys, fraction containing mitochondria and lysosomes after 1st ultracentrifugation step; Mit, mitochondria fraction after 2nd centrifugation step; Lys, lysosomal fraction after 2nd centrifugation step. Western blots are representative from at least three independent experiments.