Functional Polymorphisms in <i>hOGG1</i> Gene and Neuroblastoma Risk in Chinese Children

Wang, Yi-Zhen; Zhuo, Zhen-Jian; Fang, Yuan; Li, Lin; Zhang, Jiao; He, Jing; Wu, Xue-Mei

doi:10.7150/jca.27983

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J Cancer 2018; 9(23):4521-4526. doi:10.7150/jca.27983 This issue Cite

Research Paper

Functional Polymorphisms in hOGG1 Gene and Neuroblastoma Risk in Chinese Children

Yi-Zhen Wang^1✉*, Zhen-Jian Zhuo^2*, Yuan Fang¹, Lin Li³, Jiao Zhang⁴, Jing He^5✉, Xue-Mei Wu¹

1. Department of Pathology, Anhui Provincial Children's Hospital, Hefei 230051, Anhui, China
2. School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong 999077, China
3. Clinical Laboratory, Anhui Provincial Children's Hospital, Hefei 230051, Anhui, China
4. Department of Pediatric Surgery, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
5. Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510623, Guangdong, China
^*These authors contributed equally to this work.

Citation:

Wang YZ, Zhuo ZJ, Fang Y, Li L, Zhang J, He J, Wu XM. Functional Polymorphisms in hOGG1 Gene and Neuroblastoma Risk in Chinese Children. J Cancer 2018; 9(23):4521-4526. doi:10.7150/jca.27983. https://www.jcancer.org/v09p4521.htm

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Abstract

Neuroblastoma is a lethal tumor of the sympathetic nervous system. 8-Hydroxydeoxyguanine (8-OH-dG) formation is a common seen type of oxidative DNA damage, which could be repaired by human oxoguanine glycosylase 1 (hOGG1). To explore the contributing role of hOGG1 gene single nucleotide polymorphisms (SNPs) in neuroblastoma risk, we performed a case-control study by genotyping three SNPs (rs1052133 G>C, rs159153 T>C, rs293795 A>G) in hOGG1 gene. A total of 512 neuroblastoma cases and 1076 cancer-free controls were enrolled from three medical centers in China. The hOGG1 gene polymorphisms were determined using TaqMan real-time PCR. The results showed that only the rs1052133 G>C polymorphism was associated with neuroblastoma risk [GC vs. GG: adjusted odds ratio (OR)=0.64, 95% confidence interval (CI)=0.51-0.81, P=0.0002; dominant model: adjusted OR=0.71, 95% CI=0.57-0.88, P=0.002]. Moreover, subjects carrying 1, 2, or 1-3 protective genotypes have less opportunity to develop neuroblastoma, in comparison to those without protective genotypes. Stratified analysis revealed that rs1052133 GC/CC carriers were less likely to develop neuroblastoma in subgroups of age >18 months, males, tumor that develops from retroperitoneal, mediastinum and clinical stage I+II+4s. Our results indicate that hOGG1 rs1052133 G>C polymorphism is associated with decreased risk of neuroblastoma. However, the exact biological mechanism awaits further research.

Keywords: neuroblastoma, hOGG1, polymorphism, susceptibility, DNA repair

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APA

Wang, Y.Z., Zhuo, Z.J., Fang, Y., Li, L., Zhang, J., He, J., Wu, X.M. (2018). Functional Polymorphisms in hOGG1 Gene and Neuroblastoma Risk in Chinese Children. Journal of Cancer, 9(23), 4521-4526. https://doi.org/10.7150/jca.27983.

ACS

Wang, Y.Z.; Zhuo, Z.J.; Fang, Y.; Li, L.; Zhang, J.; He, J.; Wu, X.M. Functional Polymorphisms in hOGG1 Gene and Neuroblastoma Risk in Chinese Children. J. Cancer 2018, 9 (23), 4521-4526. DOI: 10.7150/jca.27983.

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CSE

Wang YZ, Zhuo ZJ, Fang Y, Li L, Zhang J, He J, Wu XM. 2018. Functional Polymorphisms in hOGG1 Gene and Neuroblastoma Risk in Chinese Children. J Cancer. 9(23):4521-4526.

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