Additional file 1 of EGFR-vIII downregulated H2AZK4/7AC though the PI3K/AKT-HDAC2 axis to regulate cell cycle progression ZhaoHongyu WangYunfei YangChao ZhouJunhu WangLin YiKaikai LiYansheng wangQixue ShiJin KangChunsheng ZengLiang 2020 Additional file 1: Figure S1. Single silencing of HDAC1 and HDAC2 could not up-modulated the expression of H3K27AC. (A) Single silencing of HDAC1 and HDAC2 showed that there was no significant change with H3K27AC in U87-vIII, U251-vIII and N9-vIII cells.