IGF2BP2 and head and neck squamous cell carcinoma: According to our analysis of H3K27Ac ChIP-seq data from three HNSCC cell lines (UPCI-SCC-090, UM-SCC-104, and FaDu), we observed that H3K27Ac signals were significantly enriched in the IGF2BP2-SE region (Additional file 4: Fig S4A).