Fig. 5

The effect of FNB on histone acetylation in PCV2-infected RAW264.7 cells. Notes: (A) The enzyme activity of HAT. (B) The enzyme activity of HDAC1. (C) The mRNA expression level of HAT1. (D) The mRNA expression level of HDAC1. (E–G) The expression level of AcH3 and AcH4. 75 μg/mL: 75 μg/mL FNB;50 μg/mL: 50 μg/mL FNB; 25 μg/mL: 25 μg/mL FNB; VC: VC control group; PCV2: PCV2 infection group; DMSO: RPMII-1640 with 0.05% DMSO; Control: Control group. **p < 0.01; *p < 0.05.