hsa_circ_0004018	(Forward: 5’-GAGGTCTCAATAT GTTGCCCAGACTG-3’; Reverse: 5’-GTAGTGGACGCTTGGAAGA ATTTGGG-3’);
α-SMA	(Forward: 5’-GTCCCAGACATCA GGGAGTAA-3’;
	Reverse: 5’-TCGGATACTTCAGC GTCAGGA-3’);
COL1A1	(Forward: 5’-GAGGGCCAAGAC GAAGACATC-3’;
	Reverse: 5’-CAGATCACGTCAT CGCACAAC-3’);
TEP1	(Forward: 5’-CCACCCTCTCTAG TCTAAAGAGC-3’;
Reverse: 5’-CAGCTTGCGTCATG TGAGATA-3’);
β-Actin	(Forward: 5’-CCACCCTCTCTAG TCTAAAGAGC-3’;
	Reverse: 5’-CTCCTTAATGTCAC GCACGAT-3’).