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. 2020 Sep 15;10:15135. doi: 10.1038/s41598-020-72089-1

Figure 2.

Figure 2

Minigene assay highlight the pathogenicity of c.3976G > A and a complex regulation in ABCC8 transcription. Every subset of images includes a box scheme of the mRNA analysis results, its representing gel electrophoresis and Sanger sequencing results from the exon junction found. (A) The p.His71Tyr variant located in exon 2 does not alter splicing. (B) The p.Glu100Lys variant located in the exon 3 does not alter splicing. (C) The p.Val477Met variant located in exon 9 does not impair splicing; both exon 9 and exon 10 are detectable. (D) The p.Asp1132Asn variant located in exon 27 induces an exon skipping event. The gel electrophoresis image is cut because two different constructs were tested in the same gel. (E) Exons 11, 20, 21, 22, 24, 25, 26, 31, 32 and 33 were not transcribed in both wild type and variant constructs making it impossible to correctly test the splicing effects of the described variants. Unedited images for all the gels are provided as supplementary material.