Journal of Veterinary Medical Science
Online ISSN : 1347-7439
Print ISSN : 0916-7250
NOTE
Effects of Chitin and Chitosan on Collagen Synthesis in Wound Healing
Kazuo KOJIMAYoshiharu OKAMOTOKazuya KOJIMAKatsuyuki MIYATAKEHiroshi FUJISEYoshihiro SHIGEMASASaburo MINAMI
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2004 Volume 66 Issue 12 Pages 1595-1598

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Abstract

Collagen synthesis was evaluated by measuring prolyl hydroxylase (PHL) activity induced within rat granulation tissue by a polyester non-woven fabric (NWF, 1 × 1 cm, 0.6 mm in thickness) impregnated with a chitin or chitosan suspension ranging in concentration from 0.1 to 10 mg/ml. In addition, PHL activity induced in rat granulation tissue by a NWF impregnated with a phosphate buffer solution was examined as a control. The PHL activity in each group remained low until 4 days post-implantation (Day 4). However, in the 10 mg chitin group, the PHL activity increased rapidly without scatter of the data at Day 7 and remained at a plateau until Day 14. In other groups, PHL activity increased linearly until Day 14. The data varied widely at Day 7. Compared to chitosan, chitin at the higher concentration was found to induce stable collagen synthesis in the early wound healing process.

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