Oncotarget

Research Papers:

The clinicopathological and prognostic significances of CDC73 expression in cancers: a bioinformatics analysis

Hua-Chuan Zheng _, Bao-Cheng Gong and Shuang Zhao

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Oncotarget. 2017; 8:95270-95279. https://doi.org/10.18632/oncotarget.20446

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Abstract

Hua-Chuan Zheng1, Bao-Cheng Gong1 and Shuang Zhao1

1Department of Experimental Oncology and Animal Center, Shengjing Hospital of China Medical University, Shenyang 110004, China

Correspondence to:

Hua-Chuan Zheng, email: zheng_huachuan@hotmail.com

Keywords: CDC73; bioinformatics analysis; cancers

Received: May 04, 2017    Accepted: July 12, 2017    Published: August 24, 2017

ABSTRACT

CDC73 interacts with human PAF1 complex, histone methyltransferase complex and RNA polymerase II for transcription elongation and 3’ end processing. Its down-regulated expression was immunohistochemically detected in gastric, colorectal, ovarian and head and neck cancers, and positively correlated with aggressive behaviors and unfavorable prognosis of malignancies. We performed a bioinformatics analysis by using Oncomine, TCGA and KM plotter databases. It was found that CDC73 mRNA was overexpressed in gastric, lung, breast and ovarian cancers, even stratified by histological subtypes (p<0.05). CDC73 mRNA expression was stronger in gastric intestinal- than diffuse-type carcinomas (p<0.05), and positively correlated with distant metastasis and TNM staging of lung cancer (p<0.05). CDC73 mRNA expression was positively related to both overall and progression-free survival rates of the patients with gastric cancer, even stratified by gender, lymph node involvement, or treatment (p<0.05), while versa for breast cancer (p<0.05). The prognostic significance of CDC73 mRNA was dependent on the datasets and pathological grouping in lung and ovarian cancers. These findings indicated the CDC73 mRNA overexpression was positively linked to carcinogenesis. It is cautious to employ CDC73 mRNA to evaluate the clinicopathological behaviors and prognosis of cancers.


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PII: 20446