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1.  Polymorphisms in innate immunity genes and risk of childhood leukemia 
Human immunology  2010;71(7):727-730.
Objectives
To evaluate whether candidate genes in innate immunity are associated with childhood leukemia, we conducted an association study with the 1,536 SNPs in 203 genes related to innate immunity.
Methods
Incident childhood leukemia cases (n=136) aged from 0 to 18 were recruited from three teaching hospitals in Seoul between 2003 and 2006. Non-cancer controls (n=140) were frequency-matched to cases by age and gender. The information on the characteristics of children and their parents were collected by trained interviewers using structured questionnaire. Candidate genes were selected based on SNP databases (CGAP and SNP500 database), and genotype assay was performed using GoldenGate (Illumina) oligonucleotide pool assay (OPA). False discovery rate (FDR), permutation test, and haplotype analyses were used to identify the SNP with significant association with childhood leukemia. Childhood leukemia risk was estimated as ORs and 95% CIs adjusted for age, gender and birth weight.
Results
Fourteen SNPs in 13 genes (LMAN1, TLR4, STAT4, CCR9, MBP, ZP1, C8B, XDH, C7, C1QG, FGF2, LOC390183, and STAT6) were significantly associated with childhood leukemia risk (FDR p-values <0.05). In particular, LMAN1 rs1127220, TLR4 rs11536897, STAT4 rs13020076, CCR9 rs1471962, and MBP rs10514234 were significant in 5,000 permutation tests (Permutation p-value <0.05). The most significant association with childhood leukemia risk was for the LMAN1 rs1127220 that is in the protein-coding region, this finding was also supported by haplotype analysis.
Conclusions
A number of innate immunity related genes are associated with childhood leukemia, suggesting possible links between the innate immunity system and development of the childhood leukemia.
doi:10.1016/j.humimm.2010.04.004
PMCID: PMC2967770  PMID: 20438785
Childhood Leukemia; Innate Immunity; Single Nucleotide Polymorphism

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