SIRT1 and head and neck squamous cell carcinoma: More specifically, the expressions of CREBBP, EP300, TAF1, KAT6A, YEATS2, and SIRT1 and KAT2A, KAT8, HDAC1, HDAC2, HDAC3, and HDAC8 were significantly correlated with each other in HNSCC (Figure 3(c)).