Abstract
The aim of this study was to investigate whether topical application of fibrin-binding oligopeptides derived from FN promotes wound healing in streptozotocin (STZ)-induced diabetic rats.
Oligopeptides including fibrin-binding sequences (FF3: CFDKYTGNTYRV, FF5 : CTSRNRCNDQ) of FN repeats were synthesized. Each peptide was loaded in 15 x 15 mm fibrous alginate dressings, and the release kinetics of the peptides was evaluated using trinitrobenzene sulfonic acid for 336 hours.
Two full-thickness cutaneous wounds were prepared on the dorsal skin of each 75 diabetes induced rats. Each wound was divided into FF3-loaded alginate dressing group, FF5-loaded alginate dressing group, alginate dressing group and negative control group. Animals were sacrificed at day 0,3,7 and 14. The wound closure rate, inflammation degree, expression of TGF-β1 and hydroxyproline contents were evaluated.
Both FF3 and FF5 peptides were released rapidly within the first 24 hours. FF3-loaded dressing treated wounds closed significantly faster than other wounds at day 3. And at day 14, FF3- & FF5- loaded dressing treated wounds demonstrated less inflammatory cells infiltration than alginate dressing treated and negative group wounds. TGF-β1 positive cells were more abundant in FF3-, FF5-treated alginate dressing treated wound at day 3 and 14. At last, the hyrdroxyproline contents in the FF3, FF5 group were higher at day 7 and day 14.
Topical application of fibrin-binding domain synthetic oligopeptides from FN resulted in acceleration of full-thickness cutaneous wound healing in diabetic rats.
Keywords: Fibronectin, fibrin-binding domain, diabetes mellitus, full-thickness cutaneous wound, wound healing, oligopeptides, fibrous alginate dressings, FF5 peptides, TGF-β1, diabetic rats
Current Pharmaceutical Design
Title:Effect of Fibrin-binding Synthetic Oligopeptide on the Healing of Full-thickness Skin Wounds in Streptozotocin-induced Diabetic Rats
Volume: 19 Issue: 7
Author(s): Jae-Eun Chung, Yun-Jeong Kim, Yoon-Jeong Park, Ki-Tae Koo, Yang-Jo Seol, Yong-Moo Lee, In-Chul Rhyu and Young Ku
Affiliation:
Keywords: Fibronectin, fibrin-binding domain, diabetes mellitus, full-thickness cutaneous wound, wound healing, oligopeptides, fibrous alginate dressings, FF5 peptides, TGF-β1, diabetic rats
Abstract: The aim of this study was to investigate whether topical application of fibrin-binding oligopeptides derived from FN promotes wound healing in streptozotocin (STZ)-induced diabetic rats.
Oligopeptides including fibrin-binding sequences (FF3: CFDKYTGNTYRV, FF5 : CTSRNRCNDQ) of FN repeats were synthesized. Each peptide was loaded in 15 x 15 mm fibrous alginate dressings, and the release kinetics of the peptides was evaluated using trinitrobenzene sulfonic acid for 336 hours.
Two full-thickness cutaneous wounds were prepared on the dorsal skin of each 75 diabetes induced rats. Each wound was divided into FF3-loaded alginate dressing group, FF5-loaded alginate dressing group, alginate dressing group and negative control group. Animals were sacrificed at day 0,3,7 and 14. The wound closure rate, inflammation degree, expression of TGF-β1 and hydroxyproline contents were evaluated.
Both FF3 and FF5 peptides were released rapidly within the first 24 hours. FF3-loaded dressing treated wounds closed significantly faster than other wounds at day 3. And at day 14, FF3- & FF5- loaded dressing treated wounds demonstrated less inflammatory cells infiltration than alginate dressing treated and negative group wounds. TGF-β1 positive cells were more abundant in FF3-, FF5-treated alginate dressing treated wound at day 3 and 14. At last, the hyrdroxyproline contents in the FF3, FF5 group were higher at day 7 and day 14.
Topical application of fibrin-binding domain synthetic oligopeptides from FN resulted in acceleration of full-thickness cutaneous wound healing in diabetic rats.
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Cite this article as:
Chung Jae-Eun, Kim Yun-Jeong, Park Yoon-Jeong, Koo Ki-Tae, Seol Yang-Jo, Lee Yong-Moo, Rhyu In-Chul and Ku Young, Effect of Fibrin-binding Synthetic Oligopeptide on the Healing of Full-thickness Skin Wounds in Streptozotocin-induced Diabetic Rats, Current Pharmaceutical Design 2013; 19 (7) . https://dx.doi.org/10.2174/138161213804805676
DOI https://dx.doi.org/10.2174/138161213804805676 |
Print ISSN 1381-6128 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4286 |
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