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. 2020 Nov 20;18:171. doi: 10.1186/s12951-020-00733-z

Fig. 7.

Fig. 7

a The morphology of the hearts of different groups; b the heart weight to body weight ratio of different groups; c the fibrotic areas of different groups by Masson staining. Right is ×20 magnification of the corresponding area labeled with a black rectangle in the left whole LV ring. Dox+Vector indicates Dox-treated mice injected with AAV9 vector; Dox+AAV indicates Dox-treated mice injected with AAV9-miR-200b inhibitor; Dox+Exo indicates Dox-treated mice injected with TSC-Exos. #p < 0.05 compared with the Dox+Vector group