Fig. 4

The efficiency of the US triggered a smart exosome-based system for Bmp7 delivery for OAT browning. A Schematic representation of the experimental design. B Each group's average weight was observed from the high-fat diet till the end of the treatment period. C HE staining images of OAT from mice after i.v treatment. D Adipocyte area for HE staining images. E Ucp1 expression level in OAT from mice after i.v treatment. F Images of Ucp1 staining of a section of OAT depots from mice after i.v treatments. Reprinted with permission from Ref. [121].