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. Author manuscript; available in PMC: 2017 Oct 1.

Published in final edited form as: Cytotherapy. 2016 Oct;18(10):1284–1296. doi: 10.1016/j.jcyt.2016.07.005

Trichrome staining differed by treatment group and weeks post-injury, but there were no significant effects for EVG or Alcian Blue. Average trichrome (A), EVG (B) and Alcian Blue with hyaluronidase digestion (AB-Hyaluronidase; C) staining intensities are included for two control groups (Uninjured and Injured) and four treatment groups (GEL, CELL, LD and HD). Data are shown as mean ± standard error. *P < 0.05 compared with all other groups at 2 weeks following treatment; ^∞P < 0.05 compared with Uninjured, LD at 2 weeks following treatment; ¥P < 0.05 compared with Uninjured, Injured at 2 weeks following treatment; §P < 0.05 compared with Injured at 2 weeks following treatment; P < 0.05 compared with Injured at 10 weeks following treatment. Representative histological images of trichrome-stained Uninjured (D), Injured (E), CELL (F), GEL (G), LD (H) and HD (I) vocal fold are shown 10 weeks following treatment (40× magnification; scale bar = 100 μm).

Inline graphic — Trichrome staining differed by treatment group and weeks post-injury, but there were no significant effects for EVG or Alcian Blue. Average trichrome (A), EVG (B) and Alcian Blue with hyaluronidase digestion (AB-Hyaluronidase; C) staining intensities are included for two control groups (Uninjured and Injured) and four treatment groups (GEL, CELL, LD and HD). Data are shown as mean ± standard error. *P < 0.05 compared with all other groups at 2 weeks following treatment; ^∞P < 0.05 compared with Uninjured, LD at 2 weeks following treatment; ¥P < 0.05 compared with Uninjured, Injured at 2 weeks following treatment; §P < 0.05 compared with Injured at 2 weeks following treatment; P < 0.05 compared with Injured at 10 weeks following treatment. Representative histological images of trichrome-stained Uninjured (D), Injured (E), CELL (F), GEL (G), LD (H) and HD (I) vocal fold are shown 10 weeks following treatment (40× magnification; scale bar = 100 μm).