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. 2018 Mar 6;9:334. doi: 10.3389/fimmu.2018.00334

Figure 4.

Figure 4

Ultrastructural analysis of cell–cell interaction between macrophages (Mφs) [interleukin (IL)-10 + IL-18] and endothelia. SEM images were obtained at 4 h after coculture of b.End5 with Mφs (IL-10 + IL-18) on Matrigel. Lower images are magnified regions from red rectangles in the corresponding upper panels. Magnification and scale bars: (A) upper, ×1.0 K, 50 µm; Lower, ×5.0 K, 10 µm; (B) upper, ×1.0 K, 50 µm; lower, ×2.0 K, 20 µm; (C) upper, ×1.0 K, 50 µm; lower, ×8.0 K, 5 µm; (D) upper, ×1.0 K, 50 µm; lower, ×3.0 K, 10 µm; (E) upper, ×1.0 K, 50 µm; lower, ×5.0 K, 10 µm; (F) upper, ×1.0 K, 50 µm; lower, ×4.0 K, 10 µm; (G) upper, ×1.0 K, 50 µm; lower, ×2.5 K, 20 µm; (H) upper, ×1.0 K, 50 µm; lower, ×2.5 K, 20 µm; (I) upper, ×1.0 K, 50 µm; lower, ×3.5 K, 10 µm; respectively. Black or white arrows indicate Mφs or endothelial cells, respectively. Red arrowheads indicate pseudopodia of Mφs interacting with endothelial cells.