RNA extraction and sequencing of iPSC-derived materials was performed using manufacturer's protocols for the RNeasy QIAcube kit on a QIAcube automated system (Qiagen). RNA sequencing libraries were generated, sequenced and analysed as described in the Supplementary material, ‘Methods’ section. Briefly, the data preprocessing was done with a custom Nextflow pipeline (https://github.com/wtsi-hgi/nextflow-pipelines/blob/rna_seq_5607/pipelines/rna_seq.nf), which includes the aligner parameters. Differential gene expression was analysed using the DESeq2 package44 (link) with SVA correction.45 (link) An adjusted P-value threshold of 0.05 was selected to identify significant differences between wild-type and mutant samples.
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