Oncotarget

Research Papers:

Genetic correction improves prediction efficiency of serum tumor biomarkers on digestive cancer risk in the elderly Chinese cohort study

Ke Wang, Yansen Bai, Shi Chen, Jiao Huang, Jing Yuan, Weihong Chen, Ping Yao, Xiaoping Miao, Youjie Wang, Yuan Liang, Xiaomin Zhang, Meian He, Handong Yang, Qingyi Wei, Huan Guo and Sheng Wei _

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Oncotarget. 2018; 9:7389-7397. https://doi.org/10.18632/oncotarget.23205

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Abstract

Ke Wang1, Yansen Bai2, Shi Chen1, Jiao Huang1, Jing Yuan2, Weihong Chen2, Ping Yao3, Xiaoping Miao1, Youjie Wang4, Yuan Liang5, Xiaomin Zhang2, Meian He2, Handong Yang6, Qingyi Wei7, Huan Guo2 and Sheng Wei1

1Department of Epidemiology and Biostatistics, Ministry of Education Key Laboratory of Environment and Health, School of Public Health, Tongji Medical college, Huazhong University of Science and Technology, Wuhan, Hubei, China

2Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China

3Department of Nutrition and Food Hygiene, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China

4Department of Maternal and Child Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China

5Department of Social Medicine and Health Management, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China

6Dongfeng Central Hospital, Dongfeng Motor Corporation and Hubei University of Medicine, Shiyan, Hubei, China

7Duke Cancer Institute, Duke University Medical Center, Durham, NC, USA

Correspondence to:

Sheng Wei, email: ws2008cn@gmail.com

Keywords: tumor biomarker, single nucleotide polymorphisms, genetic correction, digestive cancer, prediction efficiency

Received: July 03, 2017     Accepted: September 24, 2017     Published: December 13, 2017

ABSTRACT

Although serum tumor biomarkers alpha-fetoprotein (AFP), carbohydrate antigen 19–9 (CA19–9) and carcinoembryonic antigen (CEA) have been used in digestive cancer risk prediction, the prediction efficiency remains unsatisfactory. The aim of this study was to evaluate whether genetic correction could improve the efficiency of these biomarkers for prediction of digestive cancer risk. We conducted a prospective analysis in 9,808 healthy individuals based on a cohort study in the elderly Chinese population. The genotypes of reported single nucleotide polymorphisms (SNPs) associated with serum AFP, CA19–9 and CEA were used to estimate the genetic corrected levels of these markers. Unconditional logistic regression analysis was performed to evaluate the risk of digestive cancer. The Harrell’s C-statistic was used to evaluate the discriminative ability of the raw levels and genetic corrected levels of biomarkers on digestive cancer risk. Up to October 2013, a total of 172 individuals were newly diagnosed with digestive cancer. With the genetic correction, higher odds ratios (ORs) for digestive cancer risk were found for the genetic corrected levels of tumor biomarkers compared with their raw serum levels (1.57 vs. 1.65 for AFP; 1.19 vs. 1.21 for CA19–9; 1.09 vs. 1.10 for CEA, respectively). The same results were observed in the Harrell’s C-statistic analyses. Genetic correction improved the prediction efficiency of tumor biomarkers on the digestive cancer risk in an elderly Chinese population. Our findings provide evidence for further studies of genetic effects on tumor biomarker to improve the predictive efficiency on cancer risk.


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