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Fig. 1 | Journal of Orthopaedic Surgery and Research

Fig. 1

From: Artesunate prevents knee intraarticular adhesion via PRKR-like ER kinase (PERK) signal pathway

Fig. 1

Histological analysis of the fibroblasts from the intraarticular scar tissue that had been treated with saline, 15 mg/kg, 30 mg/kg, and 60 mg/kg ART. a Dense scar tissue was observed in the operative areas treated with saline, 15 mg/kg, 30 mg/kg, and 60 mg/kg ART. b The number of fibroblasts were decreased as the concentration of ART increased. The sections were stained with HE, and the magnification is × 400. *P < 0.05 versus control group. c The collagen tissues are blue in the Masson’s trichrome-stained sections under the light microscope (× 400). d The results of Masson were expressed as optical density and showed in the histogram. *P < 0.05 versus control group

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