Abstract：
:Acute lymphoblastic leukemia (ALL) is the most common pediatric malignancy. Genetic polymorphisms in the 3'UTR region of the CXCL12 (rs1801157) and TP53 codon 72 (rs1042522) genes may contribute to susceptibility to childhood ALL because they affect some important processes, such as metastasis regulation and tumor suppression. Thus the objective of the present study was to detect the frequency of two genetic polymorphisms in ALL patients and controls and to add information their impact on genetic susceptibility and prognosis. The CXCL12 and TP53 polymorphisms were tested in 54 ALL child patients and in 58 controls by restriction fragment length polymerase chain reaction and allelic specific chain reaction techniques, respectively. The frequencies of both allelic variants were higher in ALL patients than in the controls and indicated a positive association: OR = 2.44; 95 % CI 1.05-5.64 for CXCL12 and OR = 2.20; 95 % CI 1.03-4.70 for TP53. Furthermore, when the two genetic variants were analyzed together, they increased significantly more than fivefold the risk of this neoplasia development (OR = 5.24; 95 % CI 1.39-19.75), indicating their potential as susceptibility markers for ALL disease and the relevance of the allelic variant combination to increased risk of developing malignant tumors. Future studies may indicate a larger panel of genes involved in susceptibility of childhood ALL and other hematological neoplasias.
journal_name
Mol Biol Repjournal_title
Molecular biology reportsauthors
de Lourdes Perim A,Guembarovski RL,Oda JM,Lopes LF,Ariza CB,Amarante MK,Fungaro MH,de Oliveira KB,Watanabe MAdoi
10.1007/s11033-013-2551-1subject
Has Abstractpub_date
2013-07-01 00:00:00pages
4591-6issue
7eissn
0301-4851issn
1573-4978journal_volume
40pub_type
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