Figure 5. Immunohistochemical analysis of Ulk1/2 DKO and Atg5 KO lungs at P1 for (A) PDPN (B) SFTPB (C) pro-SFTPC. Lungs from Ulk1/2 Ctrl; Ulk1/2 DKO; Atg5 Ctrl and Atg5 KO at P1 were fixed, embedded in paraffin and sectioned followed by immunohistochemical analysis with the indicated antibodies, as described in Materials and Methods. Scale bar: 10 µm.