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纸质出版日期:2021,
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何文栋, 苏雯清, 韦坤华, 等. 染料木素对人鼻咽癌CNE1细胞生长的抑制作用及靶点预测[J]. 中国药房, 2021,32(10).
HE Wendong, SU Wenqing, WEI Kunhua, et al. Inhibitory Effect and Target Prediction of Genistein on the Growth of Human Nasopharyngeal Carcinoma CNE 1 Cells[J]. China Pharmacy, 2021,32(10).
目的:研究染料木素对人鼻咽癌CNE1细胞生长的抑制作用并预测其可能的作用靶点。方法:采用CCK-8法检测0(空白对照)、12.5、25、50、100、150µmol/L染料木素分别作用24、48、72h对CNE1细胞增殖的影响;分别采用流式细胞术检测0(空白对照)、15、30、60µmol/L染料木素作用24h对CNE1细胞周期、凋亡的影响;采用划痕实验检测0(空白对照)、10、20、30µmol/L染料木素作用24h对CNE1细胞迁移能力的影响。采用高通量测序法挖掘0(空白对照)、30µmol/L染料木素作用24h后CNE1细胞中的差异基因,并通过实时荧光定量-聚合酶链式反应法(RT-qPCR)对上述细胞实验相关差异基因mRNA的表达情况进行验证。结果:与空白对照比较,12.5、25、50、100、150µmol/L染料木素对细胞的增殖均有显著的抑制作用(P<0.01),且呈浓度-时间-效应趋势;15、30µmol/L染料木素可使细胞周期阻滞于G0/G1期(P<0.05或P<0.01),30、60µmol/L染料木素可使细胞周期阻滞于G2/M期并显著促进其凋亡(P<0.05或P<0.01);10、20、30µmol/L染料木素可显著抑制细胞的迁移能力(P<0.01)。高通量测序共挖掘出2271个差异基因(padj<0.05),其中1154个基因上调、1117个基因下调;结合细胞实验结果共筛选出p53、p21、STC2、FGF2、CDK6、CYCLIND、PI3K、AKT等8个潜在靶点差异基因。经RT-qPCR法验证,其中p53、p21、STC2、FGF2、CDK6、CYCLIND、AKT等7个潜在靶点差异基因mRNA的表达均显著下调(P<0.05),与转录组测序结果基本一致。结论:染料木素能有效抑制人鼻咽癌CNE1细胞的生长;其抗鼻咽癌机制可能与抑制突变型p53基因的表达,恢复野生型P53蛋白功能以及抑制磷脂酰肌醇3激酶/蛋白激酶B通路的活性有关。
OBJECTIVE:To study the inhibi tory effects of genistein on the growth of human nasopharyngeal carcinoma. CNE 1 cells and predict its potential target. METHODS :CCK-8 method was used to test the effects of 0(blank control ),12.5,25,50, 100,150 µmol/L genistein on the proliferation of CNE 1 cells after treated for 24,48,72 h. Flow cytometry was carried out to detect the effects of 0(blank control ),15,30,60 µmol/L genistein on the cell cycle and ap optosis of CNE 1 cells after treated for 24 h. Scratch test was used to investigate the effects of 0(blank control ), 10, 20, 30 µmol/L genistein on themigration ability of CNE 1 cells after treated for 24 h. High (No.18210156) throughput sequencing was conducted to discover the differential genes in CNE 1 cells after treated with 0(blankcontrol),30 µmol/L genistein for 24 h. RT-qPCR assay was adopted to verify the mRNA expression of related differential genes in above trials. RESULTS : Compared with blank control,12.5,25,50,100,150 µmol/L genistein sho wed significant inhibitory effect on the proliferation of CNE 1 cells(P< 0.01),in a concentration- time-effect manner ;15,30 µmol/L genistein could arrest CNE 1 cell cycle at G 0/G1 stage(P<0.05 or P< 0.01);30,60 µmol/L could arrest CNE 1 cell cycle at G 2/M stage and promoted cell apoptosis (P<0.05 or P<0.01). 10,20,30 µmol/L genistein could significantly inhibit the migration ability of CNE 1 cells(padj<0.01). High throughput sequencing revealed a total of 2 271 differentialgenes(P<0.05),1 154 of which were up-regulated while 1 117 of which were down-regulated ;8 potential target genes ,including p53,p21,STC2,FGF2,CDK6,CYCLIN D ,PI3K,AKT,were screened by cell experiment. After validated by RT-qPCR assay ,mRNA expression of p53,p21,STC2,FGF2,CDK6,CYCLIN D and AKT were significantly down-regulated(P<0.05),which consistent with the sequencing results. CONCLUSIONS :Genistein can effectively inhibit the growth of human nasopharyngeal carcinoma CNE 1 cells,the mechanism of which may associated with inhibiting the expression of mutant gene p53,restoring the function of wild-type P 53 protein and inhibiting the activity of PI 3K/Akt pathway.
染料木素人鼻咽癌CNE1细胞高通量测序突变型p53基因磷脂酰肌醇3激酶/蛋白激酶B通路
GenisteinHuman nasopharyngeal carcinoma CNE 1 cellsHigh throughput sequencingMutant gene p53PI3K/
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