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Hyaluronic-Acid Based Hydrogels as a Novel Bioscaffold for Cell Encapsulation and Angiogenic Growth Factor Delivery onto Moving Tissue and Organs.

机译:透明质酸基水凝胶作为一种新型生物支架,可用于细胞包封和将血管生成生长因子递送至运动的组织和器官。

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摘要

A series of experiments were carried out to address the lack in therapeutic cell/drug delivery devices capable of targeting moving tissues and organs. First the in vivo angiogenic response to dual growth factor delivery by an in situ polymerizing hyaluronic acid hydrogel was investigated via direct elicited microvessel counts. Second a HA-silk biocomposite was fabricated, physically characterized and its potential use as an implantable drug or cell delivery vehicle established. Finally, hydrogel composition was optimized for survival and growth of cells encapsulated prior to hydrogel polymerization. The combination these experiments should lead to the development of a securable non-tissue site specific biocomposite capable of sustained cell growth and drug delivery as well as fostering an angiogenic response in and around the implant site.
机译:进行了一系列实验来解决缺乏能够靶向运动的组织和器官的治疗性细胞/药物输送装置的问题。首先,通过直接引发的微血管计数研究了原位聚合的透明质酸水凝胶对双重生长因子递送的体内血管生成反应。其次,制备了HA-丝生物复合物,对其进行了物理表征,并确立了其作为可植入药物或细胞递送载体的潜在用途。最终,优化水凝胶的组成,使其在水凝胶聚合之前被封装的细胞得以存活和生长。这些实验的结合应导致可安全的非组织部位特异性生物复合物的开发,该生物复合物能够持续的细胞生长和药物递送,并促进植入部位内和周围的血管生成反应。

著录项

  • 作者

    Elia, Roberto.;

  • 作者单位

    Tufts University.;

  • 授予单位 Tufts University.;
  • 学科 Engineering Biomedical.
  • 学位 M.S.
  • 年度 2011
  • 页码 111 p.
  • 总页数 111
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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