Fucoidan inhibits the growth of hepatocellular carcinoma independent of angiogenesis.

Fucoidan inhibits the growth of hepatocellular carcinoma independent of angiogenesis.
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岩藻依聚糖抑制肝细胞癌的生长,不依赖于血管生成

DOI:
10.1155/2013/692549
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发表时间:
2013
期刊:
Evidence-based complementary and alternative medicine : eCAM
影响因子:
--
通讯作者:
Wu XZ
Wu XZ
中科院分区:
其他
文献类型:
--
作者:
Zhu C;Cao R;Zhang SX;Man YN;Wu XZ

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一些硫酸化多糖可以结合 bFGF,但不能将 bFGF 呈递给其高亲和力受体。褐藻糖胶是一种从褐藻中纯化出来的硫酸化多糖,作为中药抗癌药物已有数百年的历史,具有多种抗癌作用,包括诱导癌细胞凋亡和自噬、抑制癌细胞生长、诱导血管生成、提高抗肿瘤免疫力等。我们的研究表明,岩藻依聚糖不会抑制 HCC 细胞和/或肿瘤组织中 VEGF、bFGF、IL-8 和乙酰肝素酶的表达。此外,岩藻依聚糖对 bFGF 的亲和力较低,不能阻断 bFGF 与硫酸乙酰肝素的结合。尽管岩藻依聚糖对体内血管生成和细胞凋亡没有影响,但该药物显着抑制肿瘤生长和PCNA表达。这些结果表明岩藻依聚糖在体内至少部分通过抑制HCC细胞的增殖而表现出抗癌作用,尽管它不能抑制HCC诱导的血管生成。
Some sulphated polysaccharides can bind bFGF but are unable to present bFGF to its high-affinity receptors. Fucoidan, a sulphated polysaccharide purified from brown algae, which has been used as an anticancer drug in traditional Chinese medicine for hundreds of years, exhibits a variety of anticancer effects, including the induction of the apoptosis and autophagy of cancer cells, the inhibition of the growth of cancer cells, the induction of angiogenesis, and the improvement of antitumour immunity. Our research shows that fucoidan dose not inhibit the expressions of VEGF, bFGF, IL-8, and heparanase in HCC cells and/or tumour tissues. Moreover, fucoidan exhibited low affinity for bFGF and could not block the binding of bFGF to heparan sulphated. Although fucoidan had no effect on angiogenesis and apoptosis in vivo, this drug significantly inhibited the tumour growth and the expression of PCNA. These results suggest that fucoidan exhibits an anticancer effect in vivo at least partly through inhibition of the proliferation of HCC cells, although it is unable to suppress the angiogenesis induced by HCC.
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