DHFR2 and androgen insensitivity syndrome: Our group has explored miRNAs (miR-4443), lncRNAs (linc-DHFRL1-4, SNHG15 and linc-FAM98A-3) and circRNAs (circCDC14A, circFUNDC1 and circPDS5B) as potential diagnostic tools for AIS [17, 18, 24].