Homo sapiens exhibit a distinct pattern of CNV genes regulation: An important role of miRNAs and SNPs in expression plasticity

Harsh Dweep, Nada Kubikova, Norbert Gretz, Konstantinos Voskarides, Kyriacos Felekkis

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

Gene expression regulation is a complex and highly organized process involving a variety of genomic factors. It is widely accepted that differences in gene expression can contribute to the phenotypic variability between species, and that their interpretation can aid in the understanding of the physiologic variability. CNVs and miRNAs are two major players in the regulation of expression plasticity and may be responsible for the unique phenotypic characteristics observed in different lineages. We have previously demonstrated that a close interaction between these two genomic elements may have contributed to the regulation of gene expression during evolution. This work presents the molecular interactions between CNV and non CNV genes with miRNAs and other genomic elements in eight different species. A comprehensive analysis of these interactions indicates a unique nature of human CNV genes regulation as compared to other species. By using genes with short 3' UTR that abolish the "canonical" miRNA-dependent regulation, as a model, we demonstrate a distinct and tight regulation of human genes that might explain some of the unique features of human physiology. In addition, comparison of gene expression regulation between species indicated that there is a significant difference between humans and mice possibly questioning the effectiveness of the latest as experimental models of human diseases.

Original languageEnglish
Article number12163
JournalScientific Reports
Volume5
DOIs
Publication statusPublished - 16 Jul 2015

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