ITGB8 and familial dilated cardiomyopathy: The two differentially expressed genes ITGA4 and ITGB8 are present in heart disease-related pathways, including Dilated Cardiomyopathy (DCM), Arrhythmogenic Right Ventricular Cardiomyopathy (ARVC), and hypertrophic cardiomyopathy (HCM).