Figure 4. Changes in absolute cell numbers in bronchoalveolar lavage (BAL) fluid after LPS challenge.

Sham-treated, dexamethasone (dxm)-treated, and roflumilast (rof)-treated marmosets were intrabronchially challenged with 500 ng LPS. Eighteen hours later, ipsilateral BAL was performed. Total cells (A), neutrophils (B), macrophages (C), and lymphocytes (D) were differentiated and quantified using light microscopy after Pappenheim staining. Data are presented as scatter dot plot with median, *p<0.05, ***p<0.001, one-tailed Mann-Whitney test against sham.