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- Title
A comparative study of the effects of 4-META/MMA-TBB resin and cyanoacrylate on wound healing of skin defects.
- Authors
Kidokoro, Ryo; Nakajima, Kei; Kobayashi, Fumitaka; Takeda, Yukihiro; Matsuzaka, Kenichi; Katakura, Akira; Inoue, Takashi
- Abstract
The purpose of this study was to investigate the healing process of wounded skin following the application of cyanoacrylate or a 4-(2-methacryloxyethyl) trimellitic anhydride/methyl methacrylate-tributylborane resin (4-META resin). Those materials were applied to skin wound areas in rats, and the regenerating tissues were biopsied and examined at days 1, 3, 5, 7, and 14. Paraffin-embedded specimens were sectioned and stained with hematoxylin and eosin or with Azan-Mallory stain. Sections were also immunohistochemically stained with Pan-cytokeratin and CD68 antibodies. In cyanoacrylate-treated wounds, CD68-positive cells were observed in the connective tissue and their number increased up to day 5. The wound surface was completely covered by epithelial tissue at day 14. In 4-META resin-treated wounds, CD68-positive cells appeared in the soft-tissue hybrid layer (STHL) and epithelial tissue had migrated under the STHL by day 5. The wound surface was completely covered by epithelial tissue at day 7. CD68-positive cells were distributed over the entire area of the cyanoacrylate-treated wounds, but accumulated under the STHL in the 4-META resin-treated wounds. In conclusion, the results suggest that covering skin defects with a 4-META resin is an effective strategy to promote wound healing compared to cyanoacrylate. © 2015 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 104B: 197-203, 2016.
- Publication
Journal of Biomedical Materials Research, Part B: Applied Biomaterials, 2016, Vol 104, Issue 1, p197
- ISSN
1552-4973
- Publication type
Article
- DOI
10.1002/jbm.b.33375