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. 2016 Aug 18;6(11):1975–1987. doi: 10.7150/thno.16547

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Hematoxylin and eosin (H&E) staining showed inflammation in the EL-NP-Blank (a), EL-NP-BB94 (b), and EL-NP-PGG (c) groups, while inflammation was minimal in the EL-NP-EDTA+EL-NP-PGG (d) group. Masson trichrome staining showed excess collagen deposition in the EL-NP-Blank (e) and EL-NP-BB94 groups (f) groups, while it was minimal in the EL-NP-PGG (g) and EL-NP-EDTA+EL-NP-PGG (h) groups. CD68 macrophage IHC was positive for the inflammatory capsule in the EL-NP-Blank (i) and EL-NP-BB94 (j) groups. CD68 expression was minimal in the EL-NP-PGG (k) and EL-NP-EDTA+EL-NP-PGG (l) groups. VSMC expression was higher in the EL-NP-EDTA+NP-PGG (p) group compared to the EL-NP-Blank (m), EL-NP-BB94 (n), and EL-NP-PGG (o) groups. * Indicates lumen. Red scale bar is 100 µm. Black scale bar is 50 µm.