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[Preprint]. 2023 Nov 2:2023.10.31.564805. [Version 1] doi: 10.1101/2023.10.31.564805

Figure 4:

Figure 4:

Figure 4:

Fut2−/− mice develop fibrosis and emphysema with elastase administration. A. Hematoxylin and eosin staining of WT and Fut2−/− mice administered PBS or elastase intratracheally (n = 3). B. Masson’s Trichrome staining indicates increased fibrosis of the alveoli and airways in Fut2−/− mice (n = 3). C. Fut2−/− mice have increased total lung capacity and D. residual volume (n = 4 to 9). E. Compliance does not significantly change in Fut2−/− mice (n = 4 to 9). F. Elastase induces alveolar destruction, measured by mean linear intercept (n = 4 to 6). G. Fut2−/− mice have undetectable Fut2 transcript in the lung (n = 4-8). H. Hematoxylin and eosin staining of of WT and Fut2−/− PCLS exposed to air or CS. I. Fut2−/− PCLS show increased susceptibility to CS as measured by mean linear intercept, which is rescued by reconstitution of Fut2.