ATF4 and idiopathic cardiomyopathy: Ten hub genes: YWHAZ, EIF4A1, FASN, HSPB1, ATF4, HSP90B1, MYC, MAP1LC3B, PLIN2, SNCA, and were identified for ferroptosis in idiopathic cardiomyopathy by Cytoscape (Figure 4B).