Polymorphisms of Interlukin-1β rs16944 confer susceptibility to myelodysplastic syndromes
Congcong Yin1, Na He1, Peng Li1
1Department of Hematology, Qilu Hospital, Shandong University, Jinan 250012, China.
Abstract:
Genetic factors have been shown to be associated with Myelodysplastic syndromes (MDS) susceptibility. In recent years, the role of inflammation in the promotion of tumor growth is supported by a broad range of experimental and clinical evidence. But the relationship between polymorphisms in NOD-like receptor protein 3 (NLRP3) inflammasome and MDS is rarely reported. Thus, we conducted a case-control study, and genotyped five single nucleotide polymorphisms (SNPs) (NLRP3, IL-1β, IL-18, CARD8, and NF-κB) in MDS patients and healthy controls. The association of different genotypes with patient characteristics was analyzed. Comparing MDS patients with controls, GG genotype of IL-1β (rs16944) was observed to be associated with a significantly increased risk of MDS 78/166 (48.8%) vs 26/96 (27.0%), OR=2.1, CI (1.0-4.4). No significant association was identified regarding the rest of investigated polymorphisms and MDS susceptibility. Complex karyotypes were more frequent in patients with GG genotype of IL-1β (rs16944). Patients with IL-1β polymorphisms (rs16944) GG and GA had lower hemoglobin than those without. Patients with IL-1β polymorphisms (rs16944) GG had higher IPSS scores than those without IL-1β polymorphisms. In conclusion, our present data shows that the IL-1β polymorphisms (rs16944) GG were frequently occurred in MDS. IL-1β (rs16944) GG genotype might serve as a novel biomarker and potential targets for MDS.
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