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. 2022 Jul 14;54(8):1103–1116. doi: 10.1038/s41588-022-01113-z

Fig. 4. Splicing of OAS1 exon 3 is associated with rs1131454 alleles.

Fig. 4

a, RNA-seq plots showing splicing patterns of OAS1 exons in representative samples from nasal epithelial cells uninfected (Mock) and rhinovirus (RV)-infected with strains A or C (RVA or RVC). OAS1 exon 3 shows alternative splicing at both 5’ acceptor and 3’ donor splice sites, resulting in four splicing junctions: two canonical junctions (CJ) and two alternative junctions (AJ) producing long and short versions of exon 3. Exon junctions AJ1 (major) and AJ2 (minor) account for approximately 25% and 5% of total RNA-seq reads, respectively. be, Splice quantitative trait locus (sQTL) analysis of AJ1 and AJ2 with rs1131454 in nasal epithelial cells uninfected (Mock) or infected with RVA or RVC (b,c) and in PBMCs from COVID-19 patients and healthy controls (labeled as non-COVID) (d,e). For b–e, P values are for linear regressions, adjusting for sex and age. All graphs show individual data points with means and 95% confidence intervals (CIs).