Additional file 2 of Genome-wide DNA methylation profiling of HPV-negative leukoplakia and gingivobuccal complex cancers

Additional file 2. Figure S1: Principal component analysisof methylation sites in the promoter region. Figure S2: Distribution of differential methylation at CpG sites in leukoplakia and OSCC. Figure S3: Volcano plots of −log10against the average methylation differenceshowing differentially hypo and hyper methylated promoters in OPL vs normal, tumor vs normal and tumor vs OPL. Figure S4: Distribution of differentially methylated promoters. Figure S5: Venn diagram. Figure S6: Boxplots showing differential promoter methylation between early and advanced-stage OSCC.