Anti-angiogenic activities of chitooligosaccharides

Anti-angiogenic activities of chitooligosaccharides
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壳寡糖的抗血管生成活性

DOI:
10.1016/j.carbpol.2007.11.011
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发表时间:
2008-07
影响因子:
11.2
通讯作者:
杜昱光
杜昱光
中科院分区:
化学1区
文献类型:
--
作者:
林秉承;吴海歌;白雪芳;姚子昂;杜昱光

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以壳聚糖为原料,采用酶解聚法制备了壳寡糖,并对其进行了高效液相分析和飞行时间质谱仪分析,结果表明壳寡糖的聚合度为2~18。为探讨壳寡糖的抗血管生成活性,观察了壳寡糖对鸡绒毛膜尿囊膜血管生成的影响以及对人肝癌细胞培养液诱导人脐静脉内皮细胞增殖、迁移和血管形成的影响。结果表明,COS对正常人脐静脉内皮细胞无毒性作用,但能抑制血管内皮细胞的新生血管生成,抑制其增殖、迁移和管状形成。以上结果表明,COS具有潜在的抗血管生成活性,并能在一定程度上对抗肝癌培养液对血管内皮细胞的刺激作用。
Chitooligosaccharides (COS) was obtained from chitosan by depolymerization with enzyme and analyzed by HPLC and TOF-MS, and the results indicated that the polymerization degree of COS was 2–18. In order to explore the anti-angiogenic activities of COS, the effect of COS on chicken chorioallantoic membrane (CAM) angiogenesis and on proliferation, migration and tube formation of human umbilical vein endothelial cells (HUVECs) induced by human hepatoma carcinoma cells (HCC) culture fluid was measured. The results showed COS had no toxicity to normal HUVECs, but could inhibit the CAM angiogenesis and the proliferation, migration and tube formation of induced HUVECs. All of these results indicate that COS have potential anti-angiogenic activities and can counteract the stimulation of HCC-culture-fluid on endothelial cells at a certain level.
基本成纤维细胞生长因子的自分泌活性:内皮细胞运动,纤溶酶原激活剂合成和DNA合成的调节。
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