Journal
FOOD & NUTRITION RESEARCH
Volume 59, Issue -, Pages -Publisher
SWEDISH NUTRITION FOUNDATION-SNF
DOI: 10.3402/fnr.v59.26411
Keywords
cesarean section; marine collagen peptide; wound healing; basic fibroblast growth factor; transforming growth factor beta 1; CD31
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Background: The goal of the present study was to investigate the wound-healing potential of marine collagen peptides (MCPs) from chum salmon skin administered to rats following cesarean section (CS). Methods: Ninety-six pregnant Sprague-Dawley rats were randomly divided into four groups: a vehicle group and three MCP groups. After CS, rats were intragastrically given MCPs at doses of 0, 0.13, 0.38, 1.15 g/kg*bw, respectively. On postoperative days 7, 14, and 21, the uterine bursting pressure, skin tensile strength, hydroxyproline (Hyp) concentrations, and histological and immunohistochemical characteristics of the scar tissue were examined. Results: In the MCP groups, the skin tensile strength, uterine bursting pressure, and Hyp were significantly higher than those in the vehicle group at all three time points (p<0.05). The formation of capillary, fibroblast, and collagen fiber, the expression of platelet-endothelial cell adhesion molecule-1, basic fibroblast growth factor, and transforming growth factor beta-1 were increased in the MCP groups (p<0.05). Conclusion: MCPs could accelerate the process of wounding healing in rats after CS.
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