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. 2020 Apr 23;26(5):1606–1618. doi: 10.1038/s41380-020-0728-2

Fig. 4. COSMOC downreguation alters PTBP2 splicing in SH-SY5Y and stem cells from ASD patients.

Fig. 4

a Semi-quantitative RT-PCR analysis of PTBP2 exon 10 splicing in undifferentiated or differentiated SH-SY5Y cells transfected with siRNAs (n = 4; Mann–Whitney test: *p < 0.05). b Representative western blot of MOCOS and PTBP2 expression and c quantification of PTBP2 protein level at 5DIV in undifferentiated and differentiated neuroblastoma cells. Cells were depleted in COSMOC or MOCOS expression and compared with cells treated with control siRNA. GAPDH was used as control. (n = 4; Mann–Whitney test: *p < 0.05). d Semi-quantitative RT-PCR analysis of PSD95 exon 18 splicing in undifferentiated or differentiated SH-SY5Y cells treated with siRNAs and assessed at 5DIV. (n = 4; Mann–Whitney test: *p < 0.05). e Agarose gels and f quantification of RT-PCR products of PTBP2 exon 10 inclusion. RNA was isolated from OSCs of ASD patients (from A1 to A11) and OSCs of their matched healthy individuals (from C1 to C11) (n = 11; Mann–Whitney test: **p < 0.01). Data are represented as mean ± SEM. For all graphs, n stands for the number of biological replicates of SH-SY5Y cells or OSC.