ATF7 and familial dilated cardiomyopathy: DEAD-box helicase 17 (DDX17) was recruited by Cphar to bind the CCAAT/enhancer binding protein beta (C/EBP-β), which prevented the transactivation of activating transcription factor 7 (ATF7) by C/EBP-β, thereby inhibiting the expression of ATF7 in cardiomyocytes to suppress myocardial ischemia reperfusion injury and cardiac remodeling, which may contribute to alleviating DCM.