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. Author manuscript; available in PMC: 2024 Sep 1.
Published in final edited form as: Laryngoscope. 2023 Jan 12;133(9):2346–2356. doi: 10.1002/lary.30557

Figure 4: M2 macrophages are predominant in granulation tissue.

Figure 4:

(A) Flow cytometry percentage of macrophages in M1 and M2 subpopulations, CD86 and CD206 (B and C) Mean gene expression of M1 (CD80 and CD86) and (D and E) M2 (CD206 and ARG1) macrophage biomarkers in granulation tissue and iLTS specimens compared to normal controls. (*) = p < 0.05; (**) = p < 0.01.

ARG1=Arginase 1

iLTS=iatrogenic laryngotracheal stenosis