Journal
JOURNAL OF DERMATOLOGICAL TREATMENT
Volume 29, Issue 6, Pages 606-616Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/09546634.2018.1425357
Keywords
selenium; diabetes; cellulose film; surgical wound; Styela clava tunic; angiogenesis
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Funding
- Korea Institute of Marine Science & Technology Promotion [112088]
- 2017 Post-Doc. Development Program of Pusan National University
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Purpose: Aims of this study is to evaluate the therapeutic effects and toxicity of Se-loaded cellulose film originated from Styela clava tunic (SeSCTF) on cutaneous wounds during diabetic conditions.Materials and methods: Alterations in skin regeneration, angiogenesis and toxicity were examined using streptozotocine (STZ)-induced diabetic Sprague Dawley((R)) (SD) rats with surgical skin wounds after application of SeSCTF for 12 days.Results: SCTF showed high tensile strength (1.64 MPa), low elongation (28.59%), low water vapor transmission rate (WVTR) and outstanding porous structure. Although SeSCTF application did not induce any significant alterations in glucose concentration or toxicity, wound morphology was rapidly recovered in the SeSCTF treated group relative to the gauze (GZ) and SCTF treated group. Moreover, recovery of re-epithelization, wound contraction and number of blood vessel was observed in SeSCTF treated groups when compared with all other groups. Furthermore, the SeSCTF treated group showed complete recovery of key protein expressions of the downstream signaling pathway of vascular endothelial growth factor (VEGF), angiopoietin-2/1 (Ang-2/1), the signaling pathway of insulin receptors and anti-oxidative status.Conclusions: Overall, the results of this study suggest that SeSCTF accelerates the healing process of cutaneous wounds in STZ-induced diabetic SD rats through stimulation of angiogenesis and the glucose receptor signaling pathway. [GRAPHICS]
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