We next analyzed the expression of Isca1 within the GSE1869 dataset from the Gene Expression Omnibus (GEO, https://www.ncbi.nlm.nih.gov/geo), and we found that it increased significantly in hearts with both ischemic cardiomyopathy and non‐ischemic cardiomyopathy with end‐stage (Figure 1B). This evidence concerns the gene ISCA1 and ischemic cardiomyopathy.