The analysis divulged an elevated expression of EP300 (p-value 5.5e−03), TP53 (p-value 0.01), CDKN1A (p-value 3.1e−03) and SERPINE1 (p-value 9.4e−03) in AF patients (Figs. 1H–1I). Here, CDKN1A is linked to atrial fibrillation.