Figure 2 | Scientific Reports

Figure 2

From: Abnormal M1/M2 macrophage phenotype profiles in the small airway wall and lumen in smokers and chronic obstructive pulmonary disease (COPD)

Figure 2

Representative micrographs of M1 macrophages dual stained for iNOS (brown) and CD68 (blue). (a) Thin epithelium and thin walled normal control, (b) thick epithelium and thick walled COPD-CS, counterstained with nuclear fast red (pink). () Dual stained CD68 + iNOS + cells, () only CD68 + cells. CD163 staining M2 macrophages (c) NC (d) COPD-CS.

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