Fig. 5

UCMSC homing in the recipient mouse organs. A UCMSCs were PKH26 (red) labeled in advance. After the infusion, recipients were sacrificed on Days 1 and 7, and UCMSC tracking in specific organs (lung, liver, testis, pancreas, and spleen) was evaluated using a confocal laser scanning microscope. NC (normal control); T2DM (Type II diabetic mellitus); UCMSC (hUC-MSCs); Mel (melatonin). Data are mean ± SD of (n = 8); ^*P < 0.05; ^**P < 0.01; ^***P < 0.001