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Molecular mechanisms and therapy for elastin calcification in native arteries and vascular grafts.

机译:天然动脉和血管移植物中弹性蛋白钙化的分子机制和治疗。

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摘要

Cardiovascular disease had been the leading cause of morbidity and mortality in the United States since 1900. The therapies that are available to treat cardiovascular disease are end-stage. An example of an end-stage therapy is coronary artery bypass grafting surgery. However, it has been shown that vascular grafts undergo pathological calcification in a manner very similar to native artery calcification. Clinical therapy is not available to prevent or reverse vascular calcification; therefore, in order to design new therapies for vascular graft calcification we must first understand the mechanisms of native artery calcification. We are specifically interested in medial elastin-associated calcification. Circumstantial evidence exists for a correlation between elastin degradation, calcification, and osteogenesis. We used two animal models to investigate these correlations. The first model took advantage of using pure elastin which was implanted subdermally into juvenile male rats. The second model was a clinically relevant circulatory model where a single periadventitial treatment of rat abdominal aorta with calcium chloride was used to induce calcification.
机译:自1900年以来,心血管疾病就一直是美国发病率和死亡率的主要原因。可用于治疗心血管疾病的疗法处于晚期。末期治疗的一个例子是冠状动脉旁路移植术。但是,已经表明,血管移植物以与天然动脉钙化非常相似的方式进行病理性钙化。无法使用临床疗法来预防或逆转血管钙化;因此,为了设计用于血管移植钙化的新疗法,我们必须首先了解天然动脉钙化的机制。我们对内侧弹性蛋白相关钙化特别感兴趣。弹性蛋白降解,钙化和成骨之间存在相关的间接证据。我们使用了两种动物模型来研究这些相关性。第一个模型利用了将纯弹性蛋白皮下植入少年雄性大鼠的优势。第二种模型是临床相关的循环模型,其中使用氯化钙对大鼠腹主动脉进行单次腹膜外治疗以诱导钙化。

著录项

  • 作者

    Basalyga, Dina Marie.;

  • 作者单位

    Clemson University.;

  • 授予单位 Clemson University.;
  • 学科 Engineering Biomedical.
  • 学位 Ph.D.
  • 年度 2006
  • 页码 200 p.
  • 总页数 200
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 生物医学工程;
  • 关键词

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