For the detection of monocytes/macrophages, the sections were incubated with the primary mouse CD68 antibody (Santa Cruz Biotechnology, Santa Cruz, CA, USA). After washing, Alexa Fluor 594‐coupled goat anti‐mouse immunoglobulin G (IgG) antibody (Invitrogen, Carlsbad, CA, USA) and 4′,6‐diamidino‐2‐phenylindole were applied.
To characterize macrophages, the sections were double‐stained with the primary mouse CD68 antibody and rabbit CD206 antibody (Santa Cruz). After washing, Alexa Fluor 594‐coupled goat anti‐mouse IgG antibody, Alexa Fluor 488‐coupled goat anti‐rabbit IgG antibody (Invitrogen) and 4′,6‐diamidino‐2‐phenylindole were applied. Slides were analyzed under a fluorescence microscope.
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