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中华细胞与干细胞杂志(电子版) ›› 2018, Vol. 08 ›› Issue (01) : 1 -5. doi: 10.3877/cma.j.issn.2095-1221.2018.01.001

所属专题: 文献

论著

补骨脂素对前列腺癌LNCaP-AI细胞增殖和周期调控及雌激素受体β表达的影响
李少鹏1, 蔡建通1,(), 翁铭芳2, 游翰林3, 陈书尚4, 吴卫真4   
  1. 1. 362700,石狮市医院泌尿外科
    2. 350025 福州,福建医科大学福总临床医学院泌尿外科
    3. 350025 福州,福建医科大学协和临床医学院
    4. 350025 福州,厦门大学附属东方医院(福州总医院)泌尿外科
  • 收稿日期:2017-09-19 出版日期:2018-02-01
  • 通信作者: 蔡建通
  • 基金资助:
    国家自然科学基金青年创新基金(81402107); 福建省自然基金面上项目(2016J01475)

Effect of psoralen on the proliferation and cell cycle regulation of prostate cancer LNCaP-AI cell as well as its expression of estrogen-related receptor β

Shaopeng Li1, Jiantong Cai1,(), Mingfang Weng2, Hanlin You3, Shushang Chen4, Weizhen Wu4   

  1. 1. Department of Urology, Shishi Hosptial, Shishi 362700, China
    2. Department of Urology, Fujian Medical University Fuzhou General Hospital, Fuzhou 350025, China
    3. Union Clinical Medical College of Fujian Medical University, Fuzhou 350001, China
    4. Department of Urology, Affiliated Dongfang Hospital of Xiamen University, Fuzhou 350025, China
  • Received:2017-09-19 Published:2018-02-01
  • Corresponding author: Jiantong Cai
  • About author:
    Corresponding author:Cai Jiantong, Email:
引用本文:

李少鹏, 蔡建通, 翁铭芳, 游翰林, 陈书尚, 吴卫真. 补骨脂素对前列腺癌LNCaP-AI细胞增殖和周期调控及雌激素受体β表达的影响[J/OL]. 中华细胞与干细胞杂志(电子版), 2018, 08(01): 1-5.

Shaopeng Li, Jiantong Cai, Mingfang Weng, Hanlin You, Shushang Chen, Weizhen Wu. Effect of psoralen on the proliferation and cell cycle regulation of prostate cancer LNCaP-AI cell as well as its expression of estrogen-related receptor β[J/OL]. Chinese Journal of Cell and Stem Cell(Electronic Edition), 2018, 08(01): 1-5.

目的

探讨补骨脂素对前列腺癌LNCaP-AI细胞增殖的影响,并初步探索其可能的作用机制。

方法

不同浓度补骨脂素处理体外培养的前列腺癌LNCaP-AI细胞,采用CCK-8法检测各组的细胞增殖变化,Western blot法检测各组细胞Ki67蛋白表达,流式细胞术检测各组细胞周期的变化,实时定量RT-PCR法检测各组细胞雌激素受体β(ERβ)mRNA的表达。组间均数比较均采用单因素方差分析。

结果

CCK-8检测结果显示,补骨脂素对LNCaP-AI细胞增殖的抑制呈浓度—时间依赖性增强。Western blot法、流式细胞术和实时定量RT-PCR检测结果分别显示,不同浓度补骨脂素(30,50,100 μg/ml)处理48 h后,随着药物浓度的增加,LNCaP-AI细胞的Ki67蛋白表达明显降低,分别为27.82±0.55、25.27±0.62、23.93±0.50和22.54?±0.59(F = 28.59,P < 0.01);G1期分别为72.14±0.5、74.57±1.22、78.12±0.92、79.36±0.49和80.6?±1.42(F = 38.26,P < 0.01);G2期分别为27.57±0.5、23.2±1.39、16.41±1.23、12.23±1.3和7.47±1.03(F = 216.63,P < 0.01)细胞均随之增多,而S期细胞则随之减少,分别为0.29±0.07、2.23?±0.32、5.47±0.44、8.41±0.95和11.93±0.57(F = 153.58,P?< 0.01);ERβ mRNA的表达量明显升高,分别为1±0 、2.197±0.225、4.573±0.346和6.590±0.334(F?= 264.09,P < 0.01)。

结论

补骨脂素具有抑制前列腺癌LNCaP-AI细胞增殖和Ki67表达的作用,其机制可能与其将细胞阻滞于G1、G2期和上调ERβ mRNA的表达有关。

Objective

To explore the effect of psoralen on the proliferation and cell cycle regulation of prostate cancer LNCaP-AI cellas well as its expression of estrogen-related receptor β.

Methods

LNCaP-AI cells were subjected to treatment with different concentrations of Psoralen in vitro. The proliferation, expression of Ki67 protein, cell cycles and expression of estrogen-related receptor β (ER β) mRNA of LNCaP-AI cells were detected with CCK-8 test, Western blotting, flow cytometry assay and real-time quantitative RT-PCR, respectively.

Results

CCK-8 test showed that psoralen significantly inhibited the proliferation of LNCaP-AI cells in a dose-and time-dependent manner. After treatment with different concentrations of psoralen (30, 50 or 100 μg/ml) for 48 h, LNCaP-AI cells down-regulated expression of Ki67 protein by Western blotting (F = 28.59, P < 0.01). Meanwhile, more cells were arrested at G1 and G2 stage but fewer at S stage as shown by flow cytometry (F = 38.26, 216.634, 153.584, P < 0.01 for all). In addition, increased transcription of ERβ mRNA in LNCaP-AD cells was verified by real-time quantitative RT-PCR (F = 264.09, P < 0.01).

Conclusion

Psoralen can inhibit the proliferation of LNCaP-AI cells and Ki67 expression. The possible mechanism may include inducing cell-cycle arrest at G1, G2 stage and the up-regulation of ERβ mRNA expression in LNCaP-AI cells.

表1 ERβ及内参β-actin的引物序列
表2 补骨脂素干预后不同时间培养的LNCaP-AI细胞生存率的变化(n = 18,﹪,±s
图1 不同浓度补骨脂素对LNCaP-AI细胞Ki67蛋白表达的影响
表3 流式细胞仪检测不同浓度补骨脂素对LNCaP-AI细胞周期的影响(﹪,±s
图2 流式细胞仪检测不同浓度补骨脂素对LNCaP-AI细胞周期的影响
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