HDAC8 and non-Hodgkin lymphoma: Inhibited the proliferation of B-NHL cell line Raji cells with a 36-h IC50 value of 24.1 ± 2.0 μmol/LInduced the Raji cell apoptosisDownregulated the expression levels of HDAC1, HDAC3, and HDAC8 proteinsUpregulated the Ac-histone H4 protein expression