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HDAC5对胃癌SGC-7901细胞增殖和凋亡的影响
引用本文:张勇,杨晨,王心治,熊玉宝,吴曙华.HDAC5对胃癌SGC-7901细胞增殖和凋亡的影响[J].中国肿瘤临床,2017,44(10):469-473.
作者姓名:张勇  杨晨  王心治  熊玉宝  吴曙华
作者单位:苏州大学附属第二医院急诊科(江苏省苏州市215000)
摘    要:  目的   探讨HDAC5在胃癌细胞中的表达及其对胃癌SGC-7901细胞增殖和凋亡的影响。  方法   通过Western blot检测HDAC5和Twist1在胃癌细胞株及正常胃黏膜上皮细胞中的表达。使用MTT及流式细胞术分别检测HDAC5和Twist1对胃癌SGC-7901细胞增殖和凋亡的影响。  结果   HDAC5和Twist1在胃癌细胞株中的表达量均明显高于正常胃黏膜上皮细胞(P < 0.05)。沉默HDAC5的表达可使胃癌SGC-7901细胞中Twist1表达降低,并抑制其增殖、促进凋亡;而过表达HDAC5作用相反(P < 0.05)。此外,沉默Twist1可抑制SGC-7901细胞的增殖、促进其凋亡(P < 0.05)。  结论   HDAC5可能通过上调Twist1的表达水平促进胃癌细胞的增殖、抑制凋亡,从而促进胃癌的发生发展。 

关 键 词:胃癌    增殖    凋亡    HDAC5    Twist1
收稿时间:2016-10-26

Effects of HDAC5 on the proliferation and apoptosis of the gastric cancer cell line SGC-7901
Yong ZHANG,Chen YANG,Xinzhi WANG,Yubao XIONG,Shuhua WU.Effects of HDAC5 on the proliferation and apoptosis of the gastric cancer cell line SGC-7901[J].Chinese Journal of Clinical Oncology,2017,44(10):469-473.
Authors:Yong ZHANG  Chen YANG  Xinzhi WANG  Yubao XIONG  Shuhua WU
Institution:Department of Emergency, Second Affiliated Hospital, Suzhou University, Suzhou 215000, China
Abstract:Objective: To investigate HDAC5 expression in gastric cancer cell lines and its effects on the proliferation and apoptosis of the gastric cancer line SGC-7901. Methods: The expression patterns of HDAC5 and Twist1 in gastric cancer cell lines and normal gastric mucosal cells were detected by Western blot. The effects of HDAC5 and Twist1 on the proliferation and apoptosis of SGC-7901 cells were analyzed by MTT and flow cytometry, respectively. Results: The expression of HDAC5 and Twist1 in gastric cancer cell lines were significantly higher than that in normal gastric mucosal cells (P<0.05). HDAC5 knockdown significantly down-regulated Twist1 expression,inhibited cell proliferation, and induced apoptosis in SGC-7901 cells, whereas HDAC5 overexpression exhibited an opposite effect (P<0.05). Moreover, Twist1 knockdown significantly inhibited cell proliferation and induced apoptosis in SGC-7901 cells (P<0.05). Conclusion:HDAC5 may promote cell proliferation and inhibit apoptosis in gastric cancer cells by upregulating Twist1 expression, thus promoting the initiation and development of gastric cancer.
Keywords:gastric cancer  proliferation  apoptosis  HDAC5  Twist1
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