Given the fact that the p300 promoted acetylation of ATG7 inhibits autophagy 35 , we tried to explore whether DMB could modulate the acetylation of ATG7. pcD-NA3.1-DMΒ was cotransfected with HA-tagged ATG7, and the acetylation of ATG7 was examined in Hela cells co-cultured with MT2 cells or not.