Figure 4From: Clinical review: Stem cell therapies for acute lung injury/acute respiratory distress syndrome - hope or hype?Transdifferentiation of mesenchymal stem cells. Photomicrographs of murine lung demonstrating engraftment of mesenchymal stem cells, which are stained blue due to their expression of the Lac-Z transgene, into the mouse lung following bleomycin-induced lung injury. Reproduced with permission from [38].Back to article page