Fig. 3

The effect of overexpressing TGFβ1 on the graft retention of mMSCs in the lungs after LPS challenge. a Typical ex vivo NIR images of injured lungs from mice at 1, 3, and 7 days after mMSCs administration. b Average signal from ex vivo NIR imaging of injured lungs from mice at 1, 3, and 7 days after mMSCs administration (n = 3). mMSCs, mouse mesenchymal stem cells; NIR, near-infrared fluorescence