Fig. 1

Identified circRNA expression in diabetic cardiomyopathy mouse. a Microarray identified in the hearts of db/db mice. b Select significantly regulated circRNA detected by qPCR (n = 9). c CircRNA resistance detected by RNAse. d Mm9-circ-008009 structure. e Identification of the mm9-circ-008009 back-spliced junction sites. f Identification of the hsa-circ-0131202 back-spliced junction sites. g, h Sanger sequence of mm9-circ-008009 and hsa-circ-0131202. i, j Second structure prediction of mm9-circ-008009 and hsa-circ-0131202. k FISH detection of mm9-circ-008009 in the mouse heart tissues. Data are represented as mean ± SEM. **P < 0.01 vs. WT group