生物技术通报 ›› 2018, Vol. 34 ›› Issue (6): 199-203.doi: 10.13560/j.cnki.biotech.bull.1985.2017-1054

• 研究报告 • 上一篇    下一篇

连翘总黄酮对胃癌细胞MGC80-3增殖的影响

李平, 张桂萍 ,胡建燃   

  1. 长治学院 生物科学与技术系,长治 046011
  • 收稿日期:2017-12-11 出版日期:2018-06-26 发布日期:2018-07-03
  • 作者简介:李平,女,讲师,博士,研究方向:天然产物活性及微生物资源开发;E-mail:hitliping@163.com
  • 基金资助:
    国家自然科学基金青年基金项目(31701125),山西省高校创新学科群项目子项目(XKQZXM200601),山西省重点学科建设经费资助

Effects of Total Flavonoids from Forsythia suspense on the Proliferation of Gastric Cancer Cell MGC80-3

LI Ping ,ZHANG Gui-ping, HU Jian-ran   

  1. Department of Biological Sciences and Technology of Changzhi University,Changzhi 046011
  • Received:2017-12-11 Published:2018-06-26 Online:2018-07-03

摘要: 以长治连翘为材料,分析其黄酮成分对胃癌细胞MGC80-3的影响。利用乙醇回流提取长治连翘的总黄酮成分,通过MTT法、平板集落形成实验、RT-PCR以及Western blot技术,探讨连翘黄酮提取物对胃癌细胞MGC80-3的抑制作用及其潜在分子机制。结果显示连翘黄酮能显著抑制MGC80-3细胞的增殖和集落形成能力,其分子机制可能是连翘黄酮通过下调mTOR的蛋白水平,上调Bax以及细胞自噬因子Beclin 1以及LC3 II的表达水平,促进细胞自噬性死亡,进而抑制MGC80-3细胞的存活。

关键词: 长治连翘, 黄酮, 细胞增殖, 细胞自噬性死亡

Abstract: Effects of Changzhi Forsythia suspense flavonoids(FF)on the proliferation of gastric cancer cell MGC80-3 were investigated. Total flavonoids were extracted from Changzhi F. suspense using the ethanol reflux method. MTT method,colony formation assay,RT-PCR,and Western blot were used to access the inhibitory effects of FF on MGC80-3 cell proliferation and the potential molecular mechanism. The results showed that FF significantly inhibited the proliferation and colony formation of MGC80-3 cells,and its molecular mechanism was that FF down-regulated the protein level of mTOR and up-regulated the expressions of Bax as well as cellular autophagy factor Beclin 1 and LC3 II,which promoted the autophagic cell death,then inhibiting the survival of MGC80-3 cells. Therefore, FF possesses the potential value for developing anti-tumor drug.

Key words: Changzhi Forsythia suspense, flavonoids, cell proliferation, autophagic cell death