Fig. 2From: Human umbilical cord-derived mesenchymal stem cells protect against experimental colitis via CD5+ B regulatory cellsMSCs migrate to the inflamed areas. In vivo tracing of MSCs on days 1, 3, and 5, the labeled cells were detected by the imaging system. Warmer colors indicate more accumulation of cells. MSCs mesenchymal stem cells, TNBS trinitrobenzenesulfonic acidBack to article page