Functional properties of ALS iPSC-derived skeletal muscle cells.
(A) Dose-response relation of ACh-evoked currents in skeletal muscle cells differentiated as described in Fig. 4 from FUSR514S/WT-MyoD (light gray bars, n = 7; §, p < 0.05 vs 3 μM; §§, p < 0.05 vs 3 μM and 30 μM; OneWay ANOVA) and from TDP-43A382T/A382T-MyoD (dark gray bars, n = 9; *, p < 0.05 vs WT I-MyoD cells, TwoWay ANOVA) iPSCs, compared to those recorded in WT I cells (white bars, n = 11; #, p < 0.05 vs 3 μM; #, p < 0.05 vs 3 μM and 30 μM; OneWay ANOVA). (B) Average fluorescence response to ACh (300 μM) in Fura-2-loaded iPSC-FUSR514S/WT-MyoD (light gray trace; n = 18 cells) and iPSC-TDP-43A382T/A382T-MyoD (dark gray trace; n = 13 cells) cells.