EGFR and head and neck squamous cell carcinoma: Before investigating the cytotoxic effect of the combination treatment with the EGFR inhibitor cetuximab and the Akt1/2/3 inhibitor MK2206, we determined the expression of Akt isoforms in HNSCC patients using RNA sequencing data from the TCGA dataset (Provisional, RNASeqV2 RSEM, 522 sequenced HNSCC patients).