Fig. 3. Phenotypes of neutrophils in the refractory NPs. (A) Representative images of HNE-positive cells, MPO-positive cells, and IL-36R-positive cells (B) Ratio of double positive (HNE and IL-36R) cells/HNE-positive cells. Cell nuclei were counterstained with DAPI (blue).
NP, nasal polyp; HNE, human neutrophil elastase; MPO, myeloperoxidase; IL, interleukin; DAPI, 4′,6-Diamidino-2-phenylindole dihydrochloride.