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. 2021 Dec 3;12:7051. doi: 10.1038/s41467-021-27242-3

Fig. 2. Interactions between mutations and CNAs change across cancer types.

Fig. 2

a Tested hypothesis. b Test for whether interactions change between cancer type A (detected; FDR 10%) and other cancers in which the gene is significantly mutated (compared). Ga Mut denotes the number of samples with somatic mutation of gene A in cancer type with a significant interaction, Ga CNAs indicates a number of samples with CNAs of gene A in cancer type with a significant interaction, and Tissue denotes the number of samples with genomic alterations of gene A in other significantly mutated cancer types. c Volcano plot comparing differences of the log of the odds ratios for the co-occurrences between mutation and CNA in two cancer types (i.e., detected cancer type and other significantly mutated cancer types together). A total of 48 detected interactions for 26 genes were tested. Color coding is for the cancer type in which the two-way interaction was detected (FDR = 10%). 0.5 was added to each frequency when calculating odds ratios to avoid division by zero frequencies. d Effect sizes (interaction coefficients) and FDR values for tissue-specific interactions were estimated as the ratio between the number of detected interactions in the permutated matrix and the number of detected with the real data with 100 permutations. Source data underlying c and d are provided as a Source Data file.