The role of microRNA in the delayed negative feedback regulation of gene expression
Oscillatory gene expression plays an important role in somite segmentation during the early developmental stages of vertebrates. Recent experimental studies have shown that microRNA can regulate gene expression by stimulating degradation of mRNA and/or repression of translation. In this communicatio...
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Veröffentlicht in: | Biochemical and biophysical research communications 2007-07, Vol.358 (3), p.722-726 |
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creator | Xie, Zhong-Ru Yang, Hsih-Te Liu, Wei-Chung Hwang, Ming-Jing |
description | Oscillatory gene expression plays an important role in somite segmentation during the early developmental stages of vertebrates. Recent experimental studies have shown that microRNA can regulate gene expression by stimulating degradation of mRNA and/or repression of translation. In this communication, we incorporate miRNA into a previous mathematical model of gene expression with delayed negative feedback and demonstrate how this modified model can elucidate the possible effect of miRNA on the oscillatory gene expression. Our finding suggests that miRNA maybe a destabilizing or stabilizing factor in the dynamics of gene expression depending on the severity of its effect on mRNA degradation. Our finding provides testable hypothesis for experimental biologists to further investigate miRNA’s increasing functional roles in regulating cellular processes and development. |
doi_str_mv | 10.1016/j.bbrc.2007.04.207 |
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subjects | Animals Basic Helix-Loop-Helix Transcription Factors - genetics Basic Helix-Loop-Helix Transcription Factors - physiology Feedback, Physiological Gene Expression Gene Expression Profiling Gene Expression Regulation Genes Hes7 Mathematical model Mice MicroRNA MicroRNAs - analysis Models, Statistical Models, Theoretical Oscillation Oscillometry RNA, Messenger - metabolism Time Factors |
title | The role of microRNA in the delayed negative feedback regulation of gene expression |
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