All of 4 upregulated circRNAs (circRNA_0031, circRNA_1837, circRNA_5901 and circRNA_7571) and 3 out of 4 downregulated circRNAs (circRNA_5801, circRNA_7386 and circRNA_7581) were randomly confirmed by RT-PCR.
Genome-wide analysis of circular RNA expression profiles in patients with atrial fibrillation.