IL5 and Increased total eosinophil count: The reduction in BAL eosinophilia in the Ccsp-creTgfb1−/− mice was probably due to reduced eosinophil trafficking to the airways because lower levels of the key eosinophil chemoattractant eotaxin-2 and also IL-5 were detected in the BAL (Figures 4G and 4H).