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Biodegradable copolypeptide hydrogel prodrug accelerates dermal wound regeneration by enhanced angiogenesis and epithelialization

机译:可生物降解的共肽水凝胶前药通过增强的血管生成和上皮化而加速皮肤伤口再生

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摘要

Hydrogels are one of the most promising wound dressings. However, their effectiveness on wound healing is still largely limited due to either the non-degradability or the release of non-therapeutic degradable products. Herein, a biodegradable copolypeptide hydrogel based on the glutamic acid and lysine was synthesized and applied as both wound dressing and therapeutic prodrug. The hydrogel can degrade in the existence of elevated degradative enzymes in a wound environment, which will release therapeutic amino acids to enhance the wound healing. In vivo results found that the hydrogel could effectively promote wound regeneration in both macroscopic and microscopic scales. Further investigation revealed that the wound healing effect of the hydrogel was highly attributed to its enhanced impact on angiogenesis, cell proliferation and re-epithelialization of the wound. All in all, the present study proves that the degradable copolypeptide hydrogel can efficiently improve wound healing and indicates its potent clinical application for wound regeneration.
机译:水凝胶是最有前途的伤口敷料之一。然而,由于非治疗可降解产物的不可降解或释放,它们对伤口愈合的有效性仍然很大程度上是有限的。这里,合成基于谷氨酸和赖氨酸的可生物降解的共磷酸酯水凝胶并作为伤口敷料和治疗前药。水凝胶可以在伤口环境中存在升高的降解酶的存在,这将释放治疗性氨基酸以增强伤口愈合。体内结果发现,水凝胶可以有效地促进宏观和微观尺度的伤口再生。进一步调查显示,水凝胶的伤口愈合效果高度归因于其对血管生成,细胞增殖和伤口重新上皮的影响。总而言之,本研究证明可降解的共型水凝胶可以有效地改善伤口愈合,并表明其伤口再生的有效临床应用。

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  • 来源
    《RSC Advances》 |2018年第19期|共7页
  • 作者单位

    Wenzhou Med Univ Affiliated Hosp 1 Wenzhou 325000 Peoples R China;

    Wenzhou Univ Wenzhou 325035 Peoples R China;

    Zhejiang Univ Hangzhou 310027 Peoples R China;

    Wenzhou Med Univ Wenzhou 325035 Peoples R China;

    Wenzhou Med Univ Wenzhou 325035 Peoples R China;

    Wenzhou Med Univ Wenzhou 325035 Peoples R China;

    Wenzhou Med Univ Wenzhou 325035 Peoples R China;

    Wenzhou Med Univ Wenzhou 325035 Peoples R China;

    Wenzhou Med Univ Wenzhou 325035 Peoples R China;

    Wenzhou Med Univ Affiliated Hosp 1 Wenzhou 325000 Peoples R China;

    Wenzhou Med Univ Affiliated Hosp 1 Wenzhou 325000 Peoples R China;

    Zhejiang Univ Hangzhou 310027 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
  • 关键词

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