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The contribution of XRCC3 genotypes to childhood acute lymphoblastic leukemia

Authors Pei JS, Chang WS, Hsu PC, Chen CC, Cheng SP, Wang YC, Tsai CW, Shen TC, Bau DT

Received 27 June 2018

Accepted for publication 17 October 2018

Published 15 November 2018 Volume 2018:10 Pages 5677—5684

DOI https://doi.org/10.2147/CMAR.S178411

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 5

Editor who approved publication: Dr Kenan Onel


Jen-Sheng Pei,1,* Wen-Shin Chang,2,* Pei-Chen Hsu,1,* Chao-Chun Chen,1 Shun-Ping Cheng,3 Yun-Chi Wang,2 Chia-Wen Tsai,2,* Te-Chun Shen,2,4,* Da-Tian Bau2,5,6,*

1Department of Pediatrics, Taoyuan General Hospital, Ministry of Health and Welfare, Taoyuan, Taiwan, Republic of China; 2Terry Fox Cancer Research Laboratory, Translational Medicine Research Center, China Medical University Hospital, Taichung, Taiwan, Republic of China; 3Department of Physical Medicine and Rehabilitation, Taoyuan General Hospital, Ministry of Health and Welfare, Taoyuan, Taiwan, Republic of China; 4Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, China Medical University Hospital, Taichung, Taiwan, Republic of China; 5Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan, Republic of China; 6Department of Bioinformatics and Medical Engineering, Asia University, Taichung, Taiwan, Republic of China

*These authors contributed equally to this work

Purpose: A growing body of evidence shows an association between DNA repair protein genotypes and susceptibility to various cancers. However, few studies have assessed the contribution of the genotype of XRCC3, a homologous repair gene, to the occurrence or prognosis of childhood acute lymphoblastic leukemia (ALL). In this study, we investigated the contribution of seven XRCC3 polymorphisms to childhood ALL.
Patients and methods: We recruited 266 patients with childhood ALL and 266 healthy controls. Genomic DNA was isolated from peripheral blood samples. The XRCC3 rs1799794, rs45603942, rs1799796, rs861530, rs28903081, rs861539, and rs3212057 polymorphic genotypes of each subject were determined through conventional polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) analysis.
Results: Genotypes with the rs861539 polymorphism were significantly associated with the risk of childhood ALL. The allelic distribution analyses suggested a significant association between the T allele at rs861539 with an increased risk of childhood ALL in the Taiwanese population. Polymorphic variants of XRCC3 at rs3212057 or rs28903081 did not exist in the study population. XRCC3 rs1799794, rs45603942, rs1799796, and rs861530 were not significantly associated with the risk of childhood ALL in the Taiwanese population.
Conclusion: Our findings suggest that XRCC3 genotypes with polymorphisms at rs861539 may play a role in determining individual susceptibility to childhood ALL in this Taiwanese population. The polymorphism may be a potential detector and predictor of childhood ALL.

Keywords: acute lymphoblastic leukemia, ALL, childhood, genotype XRCC3, polymorphism, Taiwan

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