Journal
JOURNAL OF SURGICAL RESEARCH
Volume 193, Issue 1, Pages 483-491Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jss.2014.08.011
Keywords
Platelet-rich plasma; Fragmin-protamine micro-nanoparticles; Epithelialization; Angiogenesis; Split-thickness skin graft donor sites
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Funding
- Ministry of Education, Culture, Sports, Science and Technology of the Government of Japan [1058500]
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Background: Platelet-rich plasma (PRP) contains multiple growth factors, and fragmin-protamine micro-nanoparticles (F-P M-NPs) significantly enhance and stabilize growth factors. The purpose of this study was to evaluate the effects of PRP-containing F-P M-NPs (PRP&F-P M-NPs) on wound repair in split-thickness skin graft (STSG-) donor sites (DS). Materials and methods: A total of 56 inbred male rats were anesthetized and split-thickness skin graft donor site (STSG-DS) were created with a Padgett dermatome. PRP& F-P M-NPs, F-P M-NPs, PRP, and saline (control) were then intradermally injected evenly into the STSG-DSs. On 3, 4, 5, 7, and 10 d after creation of STSG-DS, skin sample sections were stained with hematoxylin and eosin to evaluate reepithelialization and angiogenesis. Results: Treatment of STSG-DS with PRP& F-P M-NPs effectively promoted epithelialization and new vessel formation compared with those treated with PRP, F-P M-NPs, and control (saline). Conclusions: The intradermal injection of PRP& F-P M-NPs promotes epithelialization and angiogenesis in STSG-DS wounds. (C) 2015 Elsevier Inc. All rights reserved.
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