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In Vivo. 2019 Jul-Aug;33(4):1081-1086. doi: 10.21873/invivo.11576.

HOGG1 rs1052133 Genotypes and Risk of Childhood Acute Lymphoblastic Leukemia in a Taiwanese Population.

Author information

1
Department of Pediatrics, Taoyuan General Hospital, Ministry of Health and Welfare, Taoyuan, Taiwan, R.O.C.
2
Taipei Cancer Center, Taipei Medical University, Taipei, Taiwan, R.O.C.
3
Department of Family Medicine, Taoyuan General Hospital, Ministry of Health and Welfare, Taoyuan, Taiwan, R.O.C.
4
Department of Pediatric Orthopedics, China Medical University Hospital, Taichung, Taiwan, R.O.C.
5
Department of Medical Laboratory Science and Biotechnology, China Medical University, Taichung, Taiwan, R.O.C.
6
Terry Fox Cancer Research Laboratory, Translational Medicine Research Center, China Medical University Hospital, Taichung, Taiwan, R.O.C.
7
Terry Fox Cancer Research Laboratory, Translational Medicine Research Center, China Medical University Hospital, Taichung, Taiwan, R.O.C. datian@mail.cmuh.org.tw artbau2@gmail.com.
8
Department of Pediatrics, Taoyuan General Hospital, Ministry of Health and Welfare, Taoyuan, Taiwan, R.O.C. datian@mail.cmuh.org.tw artbau2@gmail.com.
9
Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan, R.O.C.
10
Department of Bioinformatics and Medical Engineering, Asia University, Taichung, Taiwan, R.O.C.
#
Contributed equally

Abstract

BACKGROUND/AIM:

Cells suffer from oxidative DNA damage which leads to the accumulation of 8-oxoguanine (8-oxoG) adducts in our genome that can become carcinogenic. The human 8-oxoG DNA glycosylase 1 (hOGG1) plays a central role in repairing these 8-oxoGs via the base excision repair pathway. Mounting evidence has suggested that hOGG1 polymorphisms may affect the activity of hOGG1 and serve as genomic markers for the prediction of personal susceptibility to several cancers. To determine whether the commonly examined hOGG1 rs1052133 (Ser326Cys) polymorphism is associated with the risk of childhood acute lymphoblastic leukemia (ALL) among Taiwanese children, we genotyped the hOGG1 rs1052133 (Ser326Cys) in 266 cases and 266 controls.

RESULTS:

The distributions of the GG, CG and CC genotypes at the hOGG1 rs1052133 were 49.2, 39.1 and 11.7% in the control group and 48.1, 36.1 and 15.8% in the case group (p=0.3656). The combined genotypes CG+CC were not associated with increased risk of childhood ALL (odds ratio [OR]=1.05, 95% confidence interval [CI]=0.74-1.47, p=0.7947).

CONCLUSION:

The hOGG1 rs1052133 polymorphism is not associated with susceptibility to childhood ALL in the Taiwanese population.

KEYWORDS:

Childhood leukemia; Taiwan; genotype; hOGG1; polymorphism

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