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Effect of polysaccharides from Hyriopsis cumingii on experimental transplanted tumor in mice and on activity of NK cells in vitro
Author(s): 
Pages: 30-33
Year: Issue:  2
Journal: CHINESE JOURNAL OF MARINE DRUGS

Keyword:  珠蚌多糖抗肿瘤NK细胞;
Abstract: 目的 研究珠蚌多糖对实验性移植小鼠肿瘤以及对自然杀伤细胞(NK细胞)活性的影响,方法 采用两种小鼠移植性肿瘤模型,观察珠蚌多糖对在体肿瘤细胞生长的影响;通过脾淋巴细胞与K562肿瘤细胞的共培养,体外检测NK细胞的活性.结果 珠蚌多糖200,100 mg·kg-1对小鼠S180肉瘤的抑制率分别达到49.4%和47.1%,对C57BL/6小鼠B16BL6黑色素瘤的抑瘤率分别为39.1%和34.2%;显著提高S180肉瘤小鼠免疫脏嚣胸腺指数、脾指数;体外10,100 μg·mL-1珠蚌多糖可增强NK细胞对K562细胞的抑制活性.结论 珠蚌多糖对实验移植性小鼠肿瘤生长有明显的抑制作用,体外一定剂量范围内可诱导NK细胞活性.
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