l–o) Immunostaining of macrophages (F4/80+ cells, red), FISH for miR-21 (green), and nuclei (4) G. Scale bar = 100 μm.
l–o) Immunostaining of macrophages (F4/80+ cells, red), FISH for miR-21 (green), and nuclei (4′,6-diamidino-2-phenylindole (DAPI), blue) in sham and SNI DRG. Scale bar = 100 μm.