Pathway-focused PCR array profiling of CAL-27 cell with over-expressed ZNF750.

Pathway-focused PCR array profiling of CAL-27 cell with over-expressed ZNF750.
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对过表达 ZNF750 的 CAL-27 细胞进行通路聚焦 PCR 阵列分析。

DOI:
10.18632/oncotarget.23075
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发表时间:
2018-01-02
期刊:
影响因子:
--
通讯作者:
Chen H
Chen H
中科院分区:
其他
文献类型:
--
作者:
Pan L;Yang H;Tang W;Xu C;Chen S;Meng Z;Li K;Chen H

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锌指蛋白750(ZNF 750)是口腔鳞状细胞癌(OSCC)潜在的抑癌基因。本研究旨在探讨ZNF 750在口腔鳞癌组织中的表达变化,并揭示ZNF 750在CAL-27细胞中过表达引起的mRNA表达谱的改变。采用免疫组化法检测口腔鳞癌组织中ZNF 750的表达水平。使用人信号转导通路RT 2 Profiler™ PCR阵列进行基因表达谱分析。检测了ZNF 750在CAL-27细胞中过表达后,代表人类10条信号转导通路的84个关键基因的表达变化。ZNF 750蛋白在口腔鳞癌组织中表达减少。R2 PCR阵列分析显示,84个检测基因中有39个在对照组和ZNF 750组之间至少改变了两倍。这些基因与氧化应激、WNT、JAK/STAT、TGFβ、NF-κ B(NFκB)、p53、Notch、Hedgehog、PPAR和缺氧信号通路有关。ZNF 750对候选基因ATF 4、SQSTM 1、HMOX 1、CCND 1、TNF-α、TNFSF 10和FOSL 1有抑制作用,对CDKN 1A和EMP 1有激活作用。我们的研究表明,ZNF 750可以调节CAL-27细胞增殖、细胞周期、炎症和氧化应激相关的信号通路。
Zinc-finger protein 750 (ZNF750) is the potential anti-cancer gene in oral squamous cell carcinoma (OSCC). The present study was to investigate the expression changes of ZNF750 in OSCC tissue and to reveal the induction of altered mRNA expression profiles caused by over-expressed ZNF750 in CAL-27 cell. The expression level of ZNF750 in tissue specimens from OSCC patients was detected by immunohistochemistry. Gene expression profiling was performed using Human Signal Transduction PathwayFinder RT2 Profiler™ PCR Array. The expression changes of 84 key genes representing 10 signal transduction pathways in human following over-expressed ZNF750 in CAL-27 cell was examined. The expression of ZNF750 protein was reduced in OSCC tissues. The R2 PCR Array analysis revealed that 39 of the 84 examined genes that changed at least a two-fold between control and ZNF750 groups. These genes related to oxidative stress, WNT, JAK/STAT, TGFβ, NF-kappaB (NFκB), p53, Notch, Hedgehog, PPAR and Hypoxia signaling. ZNF750 could inhibit the candidate genes ATF4, SQSTM1, HMOX1, CCND1, TNF-alpha, TNFSF10 and FOSL1 but activate CDKN1A and EMP1. Our studies suggest that ZNF750 can regulate signaling pathways that related to proliferation, cell cycle, inflammation and oxidative stress in CAL-27 cell.
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