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find Keyword "Dermal template" 1 results
  • EFFECTS OF DERMAL TEMPLATE ON THE BIOLOGICAL BEHAVIORS OF FIBROBLASTSDURING WOUND HEALING

    Objective To study the effects of dermal template on the biological behaviors of fibroblasts during wound healing. Methods A total of 120 rats were made fullthickness wound modes on the dorsum and divided into 4 groups,in group 1, the wounds were allowed to heal by contraction(ConT);in group2, the wounds covered with fullthickness skin grafts( FTSG); in group 3, the wounds were with split thickness skin grafts (STSG); and ingroup 4, the wounds were covered by dermal regeneration template with overlying thin splitthickness autograft (ADMT).The specimens were obtained at one week, two weeks, four weeks, six weeks,and twelve weeks respectively. The expressions of α smooth muscle actin(αSMA,characteristic of MFB),fibronectin(FN),integrin α2,β1 and transforming growth factor β1(TGF-β1) were examined by immunohistochemical analysis. Results Positive expression of α-SMA、FN、integrin α2β1 and TGF-β1 in ADMT groups was significantly lower than that in STSG group and ConT group, but higher than that in FTSG group(P<0.05). Conclusion Dermal regeneration template can inhibit the transformation of FB to MFB and restrain the expressionof FN,integrin α2,β1,and TGF-β1 in fibroblasts which might reduce thepossibility of hypertrophyic scaring, and improve wound healing.

    Release date:2016-09-01 09:27 Export PDF Favorites Scan
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