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题目:: Aberrant miRNA profiles associated with chronic benzene poisoning.
作者:: Bai(Wenlin),Chen(Yujiao),Yang(Jing),Niu(Piye),Tian(Lin),Gao(Ai)
状态:: 发布时间2014-06-09 , 更新时间 2014-06-09
期刊:: Exp Mol Pathol
摘要:: Chronic occupational benzene exposure is associated with an increased risk of hematological malignancies. To gain an insight into the new biomarkers and molecular mechanisms of chronic benzene poisoning, miRNA profiles and mRNA expression pattern from the peripheral blood mononuclear cells of chronic benzene poisoning patients and health controls matched age and gender without benzene exposure were performed using the Exiqon miRNA PCR ARRAY and Gene Chip Human Gene 2.0ST Arrays, respectively. Totally, 6 up-regulated miRNAs (miR-34a, miR-205, miR-10b, let-7d, miR-185 and miR-423-5p-2) and 7 down-regulated miRNAs (miR-133a, miR-543, hsa-miR-130a, miR-27b,miR-223, miR-142-5p and miR-320b) were found in chronic benzene poisoning group compared to health controls (P ≤ 0.05). By integrating miRNA and mRNA expression data, these differential miRNAs were mainly involved in regulation of transcription from RNA polymerase II promoter, axon guidance, regulation of transcription, DNA-dependent, nervous system development, and regulation of actin cytoskeleton organization. Further, pathway analysis indicated that SMAD4, PLCB1, NFAT5, GNAI2, PTEN, VEGFA, BCL2, CTNNB1 and CCND1 were key target genes of differential miRNAs which were implicated in Adherens junction, TGF-beta signaling pathway, Wnt signaling pathway, tight junction and Pathways in cancer. In conclusion, the aberrant miRNAs might be a potential biomarker of chronic benzene poisoning.
语言:: eng
DOI:: 10.1016/j.yexmp.2014.04.011

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