Further analysis of malignant HNSCC cells in the HPV-negative/HPV-positive (Supplementary Fig. S7B) and HPV-negative (Supplementary Fig. S7C) datasets uncovered significant correlations of MUC1 expression with ∆Np63, SOX2, and NOTCH3. This evidence concerns the gene MUC1 and head and neck squamous cell carcinoma.