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. 2020 Aug 5;22(12):2041–2051. doi: 10.1038/s41436-020-0915-1

Fig. 2. Inclusion of DYNC2H1 retinal microexon in human retinal organoid development.

Fig. 2

(a) Reverse-transcription polymerase chain reaction (RT-PCR) showing the expression of DYNC2H1 in BJ fibroblasts (fibs), induced pluripotent stem cells (iPSCs), and retinal organoids at 40, 90, 100, 120, 150, and 200 days of differentiation. The shorter PCR product on the gel corresponds to the canonical DYNC2H1 transcript from exons 63 and 65. The longer amplicon (*) includes the retinal-specific microexon 64 (human exon ID GT_21385 on http://ascot.cs.jhu.edu/). (b) Sequencing electropherograms of the canonical and retinal (*) isoforms with alignment to the DYNC2H1 reference sequence. The retinal microexon is boxed in red. (c) Retinal organoid differentiation was confirmed by RT-PCR for markers of retinal differentiation (PAX6, VSX2, CRX, NRL, NR2E3) at 40, 60, 80, 100, 150, and 200 days of differentiation.