解剖学报 ›› 2020, Vol. 51 ›› Issue (1): 26-31.doi: 10.16098/j.issn.0529-1356.2020.01.005

• 肿瘤生物学 • 上一篇    下一篇

羽扇豆醇增强对沉默ST3GalⅢ基因的MDA-MB-231细胞侵袭转移的抑制作用

王明 崔红霞 刘吉成*   

  1. 齐齐哈尔医学院临床药理学教研室,黑龙江 齐齐哈尔 161006
  • 收稿日期:2018-12-12 修回日期:2019-03-18 出版日期:2020-02-06 发布日期:2020-04-21
  • 通讯作者: 刘吉成 E-mail:1125393292@qq.com
  • 基金资助:
    从Her2-PI3K/Akt-Foxo信号通路探讨以毒攻毒法抗雌激素受体阴性乳腺癌的分子机制

Enhancing effect of Lupeol on migration and invasion abilities of ST3GalⅢ-silenced MDA-MB-231 cells#br#  #br#

WANG Ming CUI Hong-xia LIU Ji-cheng*   

  1. Clinical Pharmacology Department of Qiqihar Medical College, Heilongjiang Qiqihar 161006, China
  • Received:2018-12-12 Revised:2019-03-18 Online:2020-02-06 Published:2020-04-21
  • Contact: LIU Ji-cheng E-mail:1125393292@qq.com

摘要:

目的 探索羽扇豆醇(Lupeol)增强对沉默ST3GalⅢ基因的人乳腺癌MDA-MB-231细胞侵袭转移的抑制作用。 方法 体外培养沉默ST3GalⅢ基因的MDA-MB-231细胞。采用细胞黏附实验,Transwell侵袭实验,细胞划痕实验检测羽扇豆醇对ST3GalⅢ沉默的MDA-MB-231细胞侵袭转移能力的作用。Western blotting检测各组细胞转移相关基质金属蛋白酶(MMP)-2、9和磷脂酰肌醇-3激酶/蛋白激酶B/核因子κB(PI3K/Akt/NF-κB)信号通路蛋白的表达情况。 结果 ST3GalⅢ基因沉默及低浓度(5 μmol/L)羽扇豆醇对MDA-MB-231细胞的增殖及凋亡无明显影响。羽扇豆醇对ST3GalⅢ沉默的MDA-MB-231细胞黏附、迁移和侵袭有明显的抑制作用,且相关蛋白MMP-2、-9和PI3K/Akt/NF-κB信号通路蛋白表达均下调。 结论 羽扇豆醇体外能增强对沉默ST3GalⅢ基因的人乳腺癌MDA-MB-231细胞侵袭和转移的抑制作用,其机制可能与抑制MMP-2、-9的蛋白表达及影响了PI3K/Akt/NF-κB信号通路有关。

关键词: Lupeol, ST3GalⅢ, Breast cancer cell, Migration, Invasion, Western blotting, Human

Abstract:

Objective In this study, we expored the enhancing effect of Lupeol on migration and invasion abilities of ST3GalⅢ-silenced MDA-MB-231 cells.  Methods Human breast cancer cell line ST3GalⅢ -silenced MDA-MB-231 was cultured in vitro. The cell adhesion, Transwell and woud healing test were utilized to test the effect of Lupeol on ST3GalⅢ-silenced MDA-MB-231 cells. The expression of matrix metalloproteinase(MMP)-2, -9, phosphatidylinositol 3-kinase/protein kinase B/nuclear factor κB(PI3K/Akt/NF-κB) signaling pathway were examined by Western blotting.  Results No significant influence of the decreased expression of ST3GalⅢ and Lupeol(5μmol/L)on proliferation and apoptosis of MDA-MB-231 cells were found. Lupeol inhibited the migration and invasion of ST3GalⅢ-silenced MDA-MB-231 cells in vitro(P<0.05). Furthermore, the expression of NF-κB p65, p-Akt, Akt, p85, MMP-2 and MMP-9 levels were significantly down-regulated.  Conclusion These observations suggest that Lupeol may inhibit the abilities of migration and invasion of ST3GalⅢ-silenced MDA-MB-231 cells in vitro by inhibiting the protein expression of MMP-2, -9 and effect the signaling pathway of PI3K/Akt/NF-κB.

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