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. 2020 Jul 16;10:11827. doi: 10.1038/s41598-020-68794-6

Figure 3.

Figure 3

Candidate targets validation. (a) Schematic representation of the luciferase reporter assay used for validation of FUSP525L regulation of protein levels via 3′UTR binding. (b) Luciferase assay on HeLa cells expressing RFP-FUS-WT and RFP-FUS-P525L and transfected with a luciferase construct containing the 3′UTR of the indicated candidates. Histogram bars represent the average of 3 experiments and error bars indicate the standard deviation (Student’s t test; paired; two tails; *p < 0.05; ***p < 0.001). Values have been normalized to the average of FUS-WT set as 1. (c) Western blot analysis of selected targets (ASAP1; VCP) and controls (neuronal tubulin beta 3, TUBB3; GAPDH) in hiPSC-derived motoneurons. (d) Quantification of Western blot signals of the indicated candidates. TUBB3 signal was used for normalization. Histogram bars represent the average of 3 independent differentiation experiments (shown in Supplementary Fig. S3 online) and error bars indicate the standard deviation (Student’s t test; paired; two tails; *p < 0.05).