Histone H4 acetylation and the epigenetic reader Brd4 are critical regulators of pluripotency in embryonic stem cells.  Gonzales-Cope M, Sidoli S, Bhanu NV, Won KJ, Garcia BA.  BMC Genomics. 2016 Feb 4;17:95. doi: 10.1186/s12864-016-2414-y.