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Combined effects of artificial dermis and vascular endothelial growth factor concentration gradient on wound healing in diabetic porcine model

机译:人工真皮和血管内皮生长因子浓度梯度对糖尿病猪模型伤口愈合的综合作用

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摘要

Wounds in patients with diabetes mellitus are one of the most prevalent impaired wounds in the world. Vascular endothelial growth factor (VEGF) is one of the most important proangiogenic mediators. Artificial dermal (AD) such as Pelnac((R)) has been shown, in humans and animal models, a great therapeutic potential in full-thickness skin wounds. We attempt to promote the wound healing in diabetic porcine models through combined use of AD and constant concentration of VEGF or VEGF concentration gradient. We created full-thickness excisional wounds in diabetic animal models. Analyzed the healing process through images, histology and immunohistochemistry. Results show that the combination of AD and concentration gradient of VEGF could provide an appropriate angiogenesis, improve granulation formation, increase epithelization and maintain the VEGF levels of the wound bed. Eventually accelerate the direct healing of diabetic wounds or make good preparation for secondary skin graft.
机译:糖尿病患者的伤口是世界上最普遍的受损伤口之一。 血管内皮生长因子(VEGF)是最重要的常规介质之一。 已经显示了人造皮肤(AD),如Pelnac((R)),在人类和动物模型中,全厚的皮肤伤口中具有巨大的治疗潜力。 我们试图通过组合使用AD和恒定的VEGF或VEGF浓度梯度来促进糖尿病猪模型中的伤口愈合。 我们在糖尿病动物模型中创造了全厚的切除伤口。 通过图像,组织学和免疫组织化学分析治疗过程。 结果表明,VEGF的AD和浓度梯度的组合可以提供适当的血管生成,提高造粒形成,增加上皮化并维持伤口床的VEGF水平。 最终加速糖尿病伤口的直接愈合,或对二次皮肤移植物做好准备。

著录项

  • 来源
    《Growth Factors》 |2017年第6期|共9页
  • 作者单位

    Nanjing Univ Med Sch Affiliated Hosp Dept Burns &

    Plast Surg Nanjing Drum Tower Hosp Nanjing;

    Nanjing Univ Med Sch Affiliated Hosp Dept Burns &

    Plast Surg Nanjing Drum Tower Hosp Nanjing;

    Nanjing Univ Med Sch Affiliated Hosp Dept Burns &

    Plast Surg Nanjing Drum Tower Hosp Nanjing;

    Nanjing Univ Med Sch Affiliated Hosp Dept Burns &

    Plast Surg Nanjing Drum Tower Hosp Nanjing;

    Nanjing Univ Med Sch Affiliated Hosp Dept Burns &

    Plast Surg Nanjing Drum Tower Hosp Nanjing;

    Nanjing Univ Med Sch Affiliated Hosp Dept Burns &

    Plast Surg Nanjing Drum Tower Hosp Nanjing;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 人体生理学;
  • 关键词

    VEGF; concentration gradient; artificial dermal; diabetic wound; wound healing;

    机译:VEGF;浓度梯度;人造皮;糖尿病伤口;伤口愈合;

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