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The anti-angiogenic effects of naturally occurring tannins in cancer.

机译:天然鞣质在癌症中的抗血管生成作用。

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摘要

Since current therapies are not keeping cancer at bay, other novel therapies may give new hope for cancer patients. In 1971, Judah Folkman suggested that tumor growth is angiogenisis-dependent. This theory sparked the search for a compound that has the ability to inhibit the growth of new blood vessels on pre-existing ones, an anti-angiogenic compound. In this study, we will show the anti-angiogenic properties of naturally occurring tannins. Fractions isolated from pomegranate containing naturally occurring tannins were screened for anti-angiogenic effects. The results show the extracted white pith is the most potent fraction for inhibiting endothelial cells. The Boyden-Chamber assay findings suggest inhibition of endothelial cell migration. Furthermore we have shown the fraction inhibits matrix metalloproteinase-2 and -9 using gelatin zymography. These results suggest the anti-angiogenic activities of extracted white pith may be through multiple steps of the angiogenesis pathway.
机译:由于当前的疗法不能阻止癌症,因此其他新颖的疗法可能给癌症患者带来新的希望。 1971年,犹大·福克曼(Judah Folkman)提出肿瘤的生长是血管生成依赖性的。这一理论引发了对一种具有抑制新血管生长能力的化合物的研究,该化合物是一种抗血管生成化合物。在这项研究中,我们将显示天然单宁的抗血管生成特性。从含有天然单宁的石榴中分离出的馏分具有抗血管生成作用。结果表明,提取的白髓是抑制内皮细胞最有效的成分。 Boyden-Chamber测定结果表明抑制了内皮细胞迁移。此外,我们已经表明,使用明胶酶谱分析,该级分可抑制基质金属蛋白酶2和-9。这些结果表明,提取的白髓的抗血管生成活性可能是通过血管生成途径的多个步骤实现的。

著录项

  • 作者

    Gushiken, Melissa.;

  • 作者单位

    California State University, Fresno.;

  • 授予单位 California State University, Fresno.;
  • 学科 Chemistry Biochemistry.;Health Sciences Oncology.
  • 学位 M.S.
  • 年度 2008
  • 页码 35 p.
  • 总页数 35
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 生物化学;肿瘤学;
  • 关键词

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