TIMP1 and heart failure: Figure 2 presents the results of the comparison of the transcriptional activity of the tissue metalloproteinase inhibitor 1 (TIMP-1) gene in patients with coronary angiography excluding coronary artery disease (A), patients with coronary artery disease without heart failure (B) and patients with coronary artery disease and heart failure (C) evaluated by QRT-PCR in peripheral blood mononuclear cells.