FOXC1 and ischemic cardiomyopathy: Further, to verify the correlation between telomere length and FOXC1/FOXC2, we performed TelC Q-FISH and immunohistochemistry staining on patient heart tissue chips consist of DCM (dilated cardiomyopathy), ICM (ischemic cardiomyopathy) and CHD (coronary atherosclerotic heart disease) biopsies (Figure 5D and F).