Citrate synthase expression affects tumor phenotype and drug resistance in human ovarian carcinoma.

Citrate synthase expression affects tumor phenotype and drug resistance in human ovarian carcinoma.
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柠檬酸合酶表达影响人卵巢癌的肿瘤表型和耐药性

DOI:
10.1371/journal.pone.0115708
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发表时间:
2014
期刊:
影响因子:
3.7
通讯作者:
Zhang S
Zhang S
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Chen L;Liu T;Zhou J;Wang Y;Wang X;Di W;Zhang S

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柠檬酸合酶 (CS) 是三羧酸 (TCA) 循环中的关键酶之一,催化草酰乙酸和乙酰辅酶 A 之间的反应生成柠檬酸。在胰腺癌中观察到 CS 增加。在这项研究中,我们发现恶性卵巢肿瘤和卵巢癌细胞系中的CS表达分别高于良性卵巢肿瘤和正常人卵巢表面上皮。 RNAi敲低CS可导致细胞增殖减少,并在体外抑制卵巢癌细胞的侵袭和迁移。耐药性也可能通过切除修复交叉互补 1 (ERCC1) 依赖性机制受到抑制。最后,通过微阵列分析和实时 PCR,我们在 SKOV3 和 A2780 细胞中观察到 CS 敲低后多个基因的表达显着增加,包括 ISG15、IRF7、CASP7 和 DDX58。综上所述,这些结果表明 CS 可能代表卵巢癌的潜在治疗靶点。
Citrate synthase (CS), one of the key enzymes in the tricarboxylic acid (TCA) cycle, catalyzes the reaction between oxaloacetic acid and acetyl coenzyme A to generate citrate. Increased CS has been observed in pancreatic cancer. In this study, we found higher CS expression in malignant ovarian tumors and ovarian cancer cell lines compared to benign ovarian tumors and normal human ovarian surface epithelium, respectively. CS knockdown by RNAi could result in the reduction of cell proliferation, and inhibition of invasion and migration of ovarian cancer cells in vitro. The drug resistance was also inhibited possibly through an excision repair cross complementing 1 (ERCC1)-dependent mechanism. Finally, upon CS knockdown we observed significant increase expression of multiple genes, including ISG15, IRF7, CASP7, and DDX58 in SKOV3 and A2780 cells by microarray analysis and real-time PCR. Taken together, these results suggested that CS might represent a potential therapeutic target for ovarian carcinoma.
DOI: 10.1038/nature10537
发表时间: 2011-09-25
期刊: NATURE
影响因子: 64.8
作者:
Jiang, Fuguo;Ramanathan, Anand;Miller, Matthew T.;Tang, Guo-Qing;Gale, Michael, Jr.;Patel, Smita S.;Marcotrigiano, Joseph
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DOI: 10.1083/jcb.125.2.437
发表时间: 1994-04
影响因子: 7.8
作者:
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DOI: 10.1016/j.yexcr.2013.02.017
发表时间: 2013-06-10
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DOI: 10.3109/15419069409004452
发表时间: 1994-01-01
期刊: CELL ADHESION AND COMMUNICATION
影响因子: --
作者:
LITVINOV, SV;BAKKER, HAM;WARNAAR, SO
通讯作者: WARNAAR, SO