Dil labeled hMSCs can be Localized in the Murine Lung. Sensitized and challenged mice from the acute asthma group were given hMSCs 5 days prior to euthanisia. The hMSCs were labeled with the vital dye, Dil. The animals were assessed for the presence of Dil fluorescent hMSCs. Highly positive hMSCs (white arrows) were observed in the lung tissue of mice #11 and #26,.