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No Association Between FTO Gene Polymorphisms and Central Nervous System Tumor Susceptibility in Chinese Children

Authors Liao Y, Yuan L, Zhang Z, Lin A, Zhou J, Zhuo Z, Zhao J

Received 30 October 2020

Accepted for publication 14 December 2020

Published 19 January 2021 Volume 2021:14 Pages 109—115

DOI https://doi.org/10.2147/PGPM.S289345

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 3

Editor who approved publication: Dr Martin Bluth


Yuxiang Liao,1 Li Yuan,2 Zhiping Zhang,1 Ao Lin,3 Jingying Zhou,4 Zhenjian Zhuo,3 Jie Zhao1

1Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha 410008, Changsha, People’s Republic of China; 2Department of Pathology, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, Guangzhou 510623, Guangdong, People’s Republic of China; 3Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, Guangzhou 510623, Guangdong, People’s Republic of China; 4Department of Hematology, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou 325027, Zhejiang, People’s Republic of China

Correspondence: Jie Zhao
Department of Neurosurgery, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha 410008, Hunan, People’s Republic of China
Email steelzj@csu.edu.cn
Zhenjian Zhuo
Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, 9 Jinsui Road, Guangzhou 510623, Guangdong, People’s Republic of China
Tel +86-13510841053
Email zhenjianzhuo@163.com

Background: Central nervous system (CNS) tumor is a malignancy commonly seen occurring in childhood, worldwide. Fat mass and obesity-associated (FTO) enzyme, initially identified as an obesity-related protein, also functions as a susceptibility gene for cancers. However, predisposing effect of FTO gene single nucleotide polymorphisms (SNPs) on CNS tumor risk remains unknown.
Methods: Herein, we genotyped 314 CNS tumor patients and 380 healthy controls samples from three hospitals to explore whether FTO gene SNPs impact CNS tumor risk. TaqMan SNP genotyping assay was applied for the genotyping. Odds ratios (ORs) and 95% confidence intervals (CIs), generated from multinomial logistic regression, were applied to determine the associations of SNPs (rs1477196 G>A, rs9939609 T>A, rs7206790 C>G, and rs8047395 A>G) in FTO gene with risk of CNS tumor.
Results: We failed to detect significant associations between FTO gene SNPs and CNS tumor risk, either in single-locus or combined analysis. A significantly increased ependymoma risk was found for carriers with 3– 4 risk genotypes in comparison to 0– 2 risk genotypes (adjusted OR=1.94, 95% CI=1.11– 3.37, P=0.020).
Conclusion: Our data indicated that FTO gene SNPs are unlikely to have large effects on CNS tumor risk but may have weaker effects.

Keywords: CNS tumor, risk, FTO, polymorphism, Chinese

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