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  1. Epidermal Regeneration of Cultured Autograft, Allograft, and Xenograft Keratinocytes Transplanted on Full-Thickness Wounds in Rabbits
    Hanifi N, Halim AS, Aleas CF, Singh J, Marzuki M, Win TT, et al.
    Exp Clin Transplant, 2015 Jun;13(3):273-8.
    PMID: 26086837
    Skin grafting has been evolving as an important application in reconstructive surgery. Mixed reports about the survival of allogeneic and xenogeneic keratinocytes require further substantiation to determine the role of these cells in wound healing.
    Matched MeSH terms: Wounds, Penetrating/pathology
  2. Influence of gold nanoparticles on wound healing treatment in rat model: Photobiomodulation therapy
    Lau P, Bidin N, Islam S, Shukri WNBWM, Zakaria N, Musa N, et al.
    Lasers Surg Med, 2017 04;49(4):380-386.
    PMID: 27859389 DOI: 10.1002/lsm.22614
    BACKGROUND AND OBJECTIVE: The aim of this study is to investigate the effect of gold nanoparticles (AuNPs) in photobiomodulation therapy (PBMT) on wound healing process.

    MATERIALS AND METHODS: AuNPs are synthesized by Q-switched Nd:YAG laser ablation technique. Cutaneous wound are induced on 45 Sprague Dawley rats on its dorsal part and then randomly divided into three groups. One group serves as non-treatment group (GC) and another two groups are subjected to AuNPs with and without PBMT. About 808 nm diode laser with output power of 100 mW is used as a light source for PBMT. The treatment was carried out daily with exposure duration of 50 seconds and total fluence of 5 J/cm2 . Wound area is monitored for 9 consecutive days using a digital camera, and histological examination is performed at 3rd, 6th, and 9th day through hematoxylin and eosin stain as well as Masson's trichrome stain.

    RESULTS: The group of rats subjected to AuNPs with PBMT shows significantly accelerated wound closure compared to other groups. Histological results indicate that AuNPs and PBMT group is more effective in stimulating angiogenesis and triggers inflammatory response at early stage.

    CONCLUSION: The application of AuNPs in PBMT has potential to accelerate wound healing due to enhanced epithelialization, collagen deposition and fast vascularization. Lasers Surg. Med. 49:380-386, 2017. © 2016 Wiley Periodicals, Inc.

    Matched MeSH terms: Wounds, Penetrating/pathology
  3. Comparative effects of palm vitamin E and alpha-tocopherol on healing and wound tissue antioxidant enzyme levels in diabetic rats
    Musalmah M, Nizrana MY, Fairuz AH, NoorAini AH, Azian AL, Gapor MT, et al.
    Lipids, 2005 Jun;40(6):575-80.
    PMID: 16149736
    The effect of supplementing 200 mg/kg body weight palm vitamin E (PVE) and 200 mg/kg body weight alpha-tocopherol (alpha-Toc) on the healing of wounds in streptozotocin-induced diabetic rats was evaluated. The antioxidant potencies of these two preparations of vitamin E were also evaluated by determining the antioxidant enzyme activities, namely, glutathione peroxidase (GPx) and superoxide dismutase (SOD), and malondialdehyde (MDA) levels in the healing of dermal wounds. Healing was evaluated by measuring wound contractions and protein contents in the healing wounds. Cellular redistribution and collagen deposition were assessed morphologically using cross-sections of paraffin-embedded day-10 wounds stained according to the Van Gieson method. GPx and SOD activities as well as MDA levels were determined in homogenates of day-10 dermal wounds. Results showed that PVE had a greater potency to enhance wound repair and induce the increase in free radical-scavenging enzyme activities than alpha-Toc. Both PVE and alpha-Toc, however, were potent antioxidants and significantly reduced the lipid peroxidation levels in the wounds as measured by the reduction in MDA levels.
    Matched MeSH terms: Wounds, Penetrating/pathology*
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