胃癌,SP1,光辉霉素,p53,p21 ," /> 胃癌,SP1,光辉霉素,p53,p21 ,"/> <p class="MsoNormal" style="text-align:justify;"> 光辉霉素对胃癌细胞周期、凋亡的影响及可能机制

临床肿瘤学杂志 ›› 2019, Vol. 24 ›› Issue (2): 133-136.

• • 上一篇    下一篇

光辉霉素对胃癌细胞周期、凋亡的影响及可能机制

  

  1. 110024  沈阳  沈阳医学院附属中心医院消化内科
  • 收稿日期:2018-09-12 修回日期:2018-12-16 出版日期:2019-02-28 发布日期:2019-03-18

Effect of mithramycin on cell cycle and apoptosis of gastric cancer cells and its possible mechanism

  1. Department of Gastroenterology, Central Hospital Affiliated to Shenyang Medical College, Shenyang 110024,China

  • Received:2018-09-12 Revised:2018-12-16 Online:2019-02-28 Published:2019-03-18

摘要: 目的 探讨光辉霉素(MTM)对胃癌细胞周期、凋亡的影响及可能的机制。方法 体外培养胃癌BGC-823、SGC-7901、MKN-28、AGS和正常胃黏膜GES-1细胞,采用实时荧光定量(QPCR) 和Western blotting检测SP1 mRNA和蛋白表达。0、25、50、100 nmol/L MTM处理BGC-823细胞24 h,QPCR和Western blotting检测SP1、p53、p21 mRNA和蛋白表达。流式细胞术检测50 nmol/L MTM处理BGC-823细胞周期和凋亡的变化。结果 QPCR检测胃癌BGC-823、 SGC-7901、MKN-28、AGS细胞系中SP1 mRNA表达量为6.12±0.15,5.42±0.24,3.33±0.21,3.01±0.12,均显著高于GES-1细胞(P<0.05);Western blotting检测SP1 蛋白表达与mRNA表达一致。0、25、50、100 nmol/L MTM处理BGC-823细胞,SP1 mRNA和蛋白表达逐渐降低, p53、p21 mRNA和蛋白表达逐渐升高。50 nmol/L MTM组SP1表达量最低(mRNA:0.48±0.12;蛋白:0.28±0.09), p53表达量最高(mRNA:5.37±0.45;蛋白:1.29±0.20);100 nmol/L MTM组p21表达量最高(mRNA:4.92±0.53;蛋白:0.86±0.15);与0 nmol/L MTM组比较,差异具有统计学意义(P<0.05)。流式细胞术结果显示,50 nmol/L MTM组BGC-823细胞G0/G1比例为(63.71±2.14)%和凋亡率为(24.68±1.09)%,均明显高于0 nmol/L MTM组[(57.39±1.83)%和(9.23±0.75)%],差异具有统计学意义(P<0.05)。结论  MTM通过降低SP1、上调p53、p21表达水平来增加胃癌细胞周期阻滞,诱导凋亡。

关键词:

胃癌')">"> 胃癌, SP1, 光辉霉素, p53, p21

Abstract:

Objective  To investigate the effect of mithramycin (MTM) on cell cycle and apoptosis of gastric cancer cells and its possible mechanism. Methods BGC-823, SGC-7901, MKN-28, AGS and normal gastric mucosa GES-1 cells were cultured in vitro. Real-time fluorescence quantitative analysis (QPCR) and Western blotting were used to detect the expression of SP1 mRNA and protein. BGC-823 cells were treated with 0, 25, 50 and 100 nmol/L MTM for 24 hours. The expression of SP1, p53 and p21 were detected by QPCR and Western blotting. Flow cytometry was used to detect the changes of cell cycle and apoptosis in BGC-823 cells treated with 50 nmol/L MTM. Results The expression of SP1 in BGC-823, SGC-7901, MKN-28 and AGS cell lines was 6.12 ±0.15, 5.42±0.24, 3.33±0.21 and 3.01±0.12 by QPCR, which were significantly higher than those in GES-1 cell lines (P<0.05). Western blotting showed that the expression of SP1 protein was consistent with that of mRNA. When BGC-823 cells were treated with 0, 25, 50 and 100 nmol/L MTM, the expression of SP1 decreased gradually, while the expression of p53 and p21 increased gradually. Compared with 0 nmol/L MTM group, the expression of SP1 was the lowest and p53 was the highest in 50 nmol/L MTM group and the expression of p21 was the highest in 100 nmol/L MTM group(P<0.05). Flow cytometry showed that the G0/G1 ratio and apoptotic rate of BGC-823 cells in 50 nmol/L MTM group were (63.71±2.14)% and (24.68±1.09)% respectively, which were significantly higher than those in 0 nmol/L MTM group. Conclusion Mithramycin can increase cell cycle arrest and induce apoptosis by decreasing SP1, increasing p53 and p21 expression.

Key words: Gastric cancer, SP1, Mithramycin, p53, p21

中图分类号: 

  • R735.2
[1] 牛 虹, 田同德, 唐静雯, 岳光星, 李华华, 范伊晓, 周浩本.

微小RNA-148a-3p靶向调控MAP3K9表达及对胃癌细胞增殖和凋亡的影响 [J]. 临床肿瘤学杂志, 2019, 24(2): 108-112.

[2] 程春来, 丁 雯, 车 元.

YKL-40调控子宫内膜癌顺铂化疗耐药性的实验研究 [J]. 临床肿瘤学杂志, 2019, 24(2): 113-118.

[3] 杨才弟, 王丽娟, 曾鼎华, 朱剑梅.

miR-122通过靶向RUNX2诱导胶质瘤细胞凋亡的实验研究 [J]. 临床肿瘤学杂志, 2019, 24(2): 124-128.

[4] 魏 蕾, 李自雄, 秦叔逵, 刘秀峰.

吉西他滨单药或联合白蛋白结合型紫杉醇治疗东亚人群晚期胰腺癌临床疗效的荟萃分析 [J]. 临床肿瘤学杂志, 2019, 24(2): 137-144.

[5] 张 宁, 卢创新, 务 森, 何 苡, 魏 立.

miR-138-5p在非小细胞肺癌中的表达及临床意义 [J]. 临床肿瘤学杂志, 2019, 24(2): 149-152.

[6] 杨晋生, 古选民, 方军超.

胶质瘤MGMT启动子甲基化及其临床意义 [J]. 临床肿瘤学杂志, 2019, 24(2): 153-157.

[7] 李振淼, 宋 博, 赵 怡.

X射线调强放疗对乳腺癌保乳术后远期生存及免疫功能影响的临床观察 [J]. 临床肿瘤学杂志, 2019, 24(2): 158-162.

[8] 刘政操, 陈清清, 袁光达, 朱佳浩, 吴锦昌, 冀胜军. 中性粒细胞/淋巴细胞比值评估老年食管癌放疗预后的价值[J]. 临床肿瘤学杂志, 2019, 24(2): 167-170.
[9] 王 莹, 张同梅, 董宇杰, 李宝兰. 24例胸腺鳞癌的临床分析[J]. 临床肿瘤学杂志, 2019, 24(2): 171-174.
[10] 黄博杰, 何信佳, 赵园园.

紫杉醇联合铂类治疗晚期胰腺腺鳞癌1例 [J]. 临床肿瘤学杂志, 2019, 24(2): 188-189.

Viewed
Full text


Abstract

Cited

  Shared   
  Discussed   
[1] 王杰军,李 睿. NCCN成人癌痛临床实践指南解读[J]. 临床肿瘤学杂志, 2009, 14(1): 80 .
[2] 崔传亮,迟志宏,袁香庆,斯 璐,盛锡楠,郭 军. 重组人血管内皮抑制素联合化疗一线治疗晚期黑色素瘤的Ⅱ期临床研究[J]. 临床肿瘤学杂志, 2009, 14(1): 74 .
[3] 徐卫国1,杨小青2,郝世柱1,宋纪宁1,张鹏东1,胡潺潺1,王文雅1. 大肠癌组织中Neuropilin-1的表达及其与肿瘤血管生成的相关性研究[J]. 临床肿瘤学杂志, 2009, 14(1): 29 .
[4] 翟云芝1,陈振东2,秦凤展1. Ezrin和AKT2在大肠癌组织中的表达及其临床意义[J]. 临床肿瘤学杂志, 2009, 14(1): 25 .
[5] 施姗姗1,胡长路1,余元勋,李 娟. Bcl-2/IgH和IgH基因重排与非霍奇金淋巴瘤诊断和化疗效果的相关性研究[J]. 临床肿瘤学杂志, 2009, 14(1): 55 .
[6] 周莉莉,李志革. 乳腺癌中BRCA-1和IGF-1R的研究进展[J]. 临床肿瘤学杂志, 2009, 14(1): 84 .
[7] 曹 锋,王悦华,李 非 . 结直肠癌肝转移射频消融治疗的研究进展[J]. 临床肿瘤学杂志, 2009, 14(1): 93 .
[8] 吴 洁,张连生,柴 晔,宋飞雪,吴重阳,曾鹏云,玲 玲,刘 瑛. β微球蛋白抑制非霍奇金淋巴瘤患者树突状细胞成熟和功能的研究[J]. 临床肿瘤学杂志, 2009, 14(2): 111 .
[9] 贾正飞1,冯 永1,仲 琴1,夏晓天1. 香菇多糖联合顺铂治疗恶性胸腔积液[J]. 临床肿瘤学杂志, 2009, 14(2): 173 .
[10] 邹 岚1,梁后杰1. 结直肠癌EGFR靶向治疗进展[J]. 临床肿瘤学杂志, 2009, 14(2): 178 .