Genetic variants in miRNA processing genes and pre-miRNAs are associated with the risk of chronic lymphocytic leukemia

PloS One
Idoia Martin-GuerreroÁfrica García-Orad

Abstract

Genome wide association studies (GWAS) have identified several low-penetrance susceptibility alleles in chronic lymphocytic leukemia (CLL). Nevertheless, these studies scarcely study regions that are implicated in non-coding molecules such as microRNAs (miRNAs). Abnormalities in miRNAs, as altered expression patterns and mutations, have been described in CLL, suggesting their implication in the development of the disease. Genetic variations in miRNAs can affect levels of miRNA expression if present in pre-miRNAs and in miRNA biogenesis genes or alter miRNA function if present in both target mRNA and miRNA sequences. Therefore, the present study aimed to evaluate whether polymorphisms in pre-miRNAs, and/or miRNA processing genes contribute to predisposition for CLL. A total of 91 SNPs in 107 CLL patients and 350 cancer-free controls were successfully analyzed using TaqMan Open Array technology. We found nine statistically significant associations with CLL risk after FDR correction, seven in miRNA processing genes (rs3805500 and rs6877842 in DROSHA, rs1057035 in DICER1, rs17676986 in SND1, rs9611280 in TNRC6B, rs784567 in TRBP and rs11866002 in CNOT1) and two in pre-miRNAs (rs11614913 in miR196a2 and rs2114358 in miR1206). These ...Continue Reading

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Citations

May 24, 2016·Trends in Cancer·Veronica BalattiCarlo M Croce
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Jun 2, 2018·Oncotarget·Maria Lopez-SantillanAfrica Garcia-Orad
Mar 7, 2021·Cancers·Iwona Nowak, Aishe A Sarshad

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Methods Mentioned

BETA
genotyping

Software Mentioned

Hapmap
polymirTS
Patrocles
Fast
SNP
Haploview
Taqman Genotyper
RNAfold

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