Lungs were minced and incubated in DME + DNAse + collagenase A (Roche) rotating at 37°C for two hours. Dissociated lungs were then washed twice with PBS, and filtered through a 70 µm and 40 µm cell strainer. Cells were stained with CD45 FITC (eBioscience), CD11b PerCP-Cyanine 5.5 (eBioscience); F480 PE-Cyanine7 (Affymetrix); CCR2 APC-Cy7 (BioLegend); Ly6C e450 (Affymetrix); CD45 PE-Cyanine7 (Affymetrix); CD11b PerCP-Cyanine5.5 (eBioscience); Ly6C e450 (Affymetrix); Ly6G FITC (BioLegend); CD29 (Affymetrix) and CD24 (Affymetrix). After incubating on ice for 45 minutes, cells were washed twice in PBS with 0.1% BSA, acquired on a Fortessa (BD Biosciences) and analyzed using FACSDiva (BD Biosciences).
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