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. 2021 Oct 11;97(8):423–461. doi: 10.2183/pjab.97.022

Figure 14.

Figure 14.

Tissue-specific alternative splicing of RyR2 mRNA (adapted from Ref. 101). In pancreatic islet and neuro-endocrine cells, RyR2 mRNA is generated/maturated using “gt/ag” splicing. On the other hand, RyR2 mRNA is generated/maturated using not only the canonical “gt/ag” intron splicing site but also using the novel “gg/ag” site in heart and blood vessels. The exon 4 was also alternatively spliced by the “gt/ag” rule.98,101) Therefore, the heart/blood vessel type RyR2 mRNA can contain exon 4 and exon 75.