Figure 1From: Histone deacetylase activity is decreased in peripheral blood monocytes in patients with COPDHDAC activities of PBMC (μM/μg) between smokers and non-smokers. HDAC activities of PBMC in both smokers with COPD and smokers without COPD were significantly lower than that in non-smokers. (* p < 0.01 compared to Non-smokers).Back to article page