食品科学 ›› 2010, Vol. 31 ›› Issue (19): 329-334.doi: 10.7506/spkx1002-6630-201019072

• 营养卫生 • 上一篇    下一篇

枸杞多糖诱导人宫颈癌Hela细胞凋亡的形态学研究

朱彩平1,张声华2,肖军霞2   

  1. 1.陕西师范大学食品工程与营养科学学院
    2.华中农业大学食品科学技术学院
  • 收稿日期:2010-02-05 修回日期:2010-07-16 出版日期:2010-10-15 发布日期:2010-12-29
  • 通讯作者: 朱彩平 E-mail:zcaiping@snnu.edu.cn
  • 基金资助:

    中央高校基本科研业务费专项(GK200902044)

Morphological Study on Hela Cells Apoptosis Induced by Lycium barbarum Polysaccharides

ZHU Cai-ping1,ZHANG Sheng-hua2,XIAO Jun-xia2   

  1. 1. College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an 710062, China ;
    2. College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China)
  • Received:2010-02-05 Revised:2010-07-16 Online:2010-10-15 Published:2010-12-29
  • Contact: ZHU Cai-ping1 E-mail:zcaiping@snnu.edu.cn

摘要:

采用热水法提取药材枸杞子中的枸杞多糖。本研究通过MTT 实验发现3.125~200mg/L 质量浓度范围内的枸杞多糖能显著抑制宫颈癌Hela 细胞的增殖;采用荧光显微镜、透射电镜和激光共聚焦扫描显微镜观察发现经枸杞多糖处理过的Hela 细胞呈现出典型的凋亡特征;原位末端脱氧核苷酸转移酶标记法进一步证实经枸杞多糖处理过的Hela 细胞呈现凋亡特征。结果提示枸杞多糖是一种潜在的抗癌复合物,其关键作用机制是诱导癌细胞凋亡。

关键词: 枸杞多糖, 人宫颈癌Hela细胞, 凋亡, 形态学

Abstract:

Lycium barbarum polysaccharides (LBP), isolated with boiling water from Lycium barbarum fruits, a famous Chinese medicinal herb, is one of the most important functional constituents in Lycium barbarum. In this study, the effect of LBP at the range of 3.125 to 200 mg/L on the proliferation of Hela cells was measured. After Hela cells were treated with LBP, typical apoptotic morphological changes were observed by fluorescence microscope, transmission electron microscope (TEM) and laser scanning confocal microscope (LSCM). Terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling (TUNEL) assay also confirmed that LBP-treated Hela cells showed apoptotic features. The results suggest that LBP is a potential antitumor compound.

Key words: Lycium barbarum polysaccharides, human cervical carcinoma Hela cells, apoptosis, morphology

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