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. 2022 Oct 10;6:71. doi: 10.1038/s41698-022-00314-3

Fig. 4. Upregulated interferon-related genes and elevated APOBEC3A activity in Epithelial 2 cluster in the newly developed laryngeal tumor suggest an interferon-induced APOBEC3A upregulation driving acquired resistance to CPI.

Fig. 4

a Gene set enrichment analysis of differentially expressed genes (absolute fold change >1.8 and adjusted P value <0.05) in Epithelial 2 cluster in laryngeal SCC vs two regressing lesions. b Dot plot of increased expression of APOBEC3A, ATF3, IFI6, IFI27, ISG15, and IRF1 in Epithelial 2 cluster in laryngeal SCC (PD) vs two regressing lesions (PR). c DDOST558C>U RNA editing is exclusively observed in laryngeal SCC, mainly in tumor cells. Epi: epithelial cell; non-Epi: non-epithelial cells.