D. Knockdown of SNAP23 by siRNA inhibits DnaJC5-mediated TDP-43 release in M17 cells as shown by dot blot. Quantification of extracellular levels are mean ± SEM, n=3, **p<0.01 one-way analysis of variance with Tukey's multiple comparison post-hoc analysis. DnaJC5 was detected by FLAG antibody. 