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    Please use this identifier to cite or link to this item: http://asiair.asia.edu.tw/ir/handle/310904400/99873


    Title: The Association of Flap Endonuclease 1 Genotypes with the Risk of Childhood Leukemia
    Authors: PEI), 裴仁生(JEN-SHENG;CHANG), WEN-SHIN CHA(WEN-SHIN;HSU), PEI-CHEN HSU(PEI-CHEN;TSAI), CHIA-WEN TSA(CHIA-WEN;HSU), CHIN-MU HSU(CHIN-MU;JI), HONG-XUE JI(HONG-XUE;HSIAO), CHIEH-LUN HS(CHIEH-LUN;HSU), YUAN-NIAN HS(YUAN-NIAN;Bau)*, 包大?(Da-Tian
    Contributors: 生物資訊與醫學工程學系
    Date: 2016-01
    Issue Date: 2016-08-08 11:16:56 (UTC+8)
    Abstract: Aim: Flap endonuclease 1 (FEN1) is one of the most important proteins in maintaining genome stability and preventing carcinogenesis. In recent years, the contribution of two variants of FEN1, rs174538 and rs4246215, regarding cancer risk have been investigated in lung, breast, liver, esophageal, gastric, colorectal cancer and glioma. However, it has not been revealed whether rs174538 and rs4246215 are associated with leukemia. Therefore, in the present study we aimed to evaluate the contribution of these genotypic polymorphisms in FEN1 to childhood acute lymphoblastic leukemia (ALL) risk in Taiwan. Materials and Methods: In total, 266 patients with childhood ALL and an equal number of recruited non-cancer controls were genotyped by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). Results: The FEN1 rs174538 genotype, but not rs4246215, was differently distributed between childhood ALL and control groups. The AG and AA of FEN1 rs174538 genotypes were significantly less frequently found in childhood ALL patients than in controls (odds ratio [OR]=0.68 and 0.48, 95%confidence intervals [CI]=0.47-0.98 and 0.24-0.82, respectively). As for gender, boys carrying the FEN1 rs174538 AG or AA genotype conferred lower ORs of 0.55 and 0.36 (95%CI=0.33-0.91 and 0.18-0.73, p=0.0053) for childhood ALL. Regarding age, those equal to or greater than 3.5 years of age at onset carrying the FEN1 rs174538 AG or AA genotype were of lower risk (ORs=0.53 and 0.32, 95%CI=0.31-0.90 and 0.15-0.70, p=0.0042). Conclusion: The FEN1 rs174538 A allele is a protective biomarker for childhood ALL and this association is more significant in males and in patients at onset age of 3.5 years or older.
    Relation: Cancer Genomics & Proteomics
    Appears in Collections:[生物資訊與醫學工程學系 ] 期刊論文

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