BALF was collected by lavaging lungs with 1.0 mL of sterile PBS. Cells were isolated by centrifugation, and total cell counts were determined using a Guava easyCyte HT cytometer (Millipore) and analyzed using Flowjo (version 10.4.2, Ashland, OR: Becton, Dickinson and Company, Ashland, OR, USA). Differential cell counts were obtained via cytospins using Hema3-stained (Fisher Scientific) total cells, on a minimum of 300 cells/animal. The differential cell counts were normalized to the total cell counts [3 (link)].
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