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A Computational Pipeline for Intergenic/Intragenic Enhancer RNA Quantification in Mouse Embryonic Stem Cells
Published on: October 28, 2025
Prediction of transposable element derived enhancers using chromatin modification profiles
Ahsan Huda1, Eishita Tyagi, Leonardo Mariño-Ramírez
1School of Biology, Georgia Institute of Technology, Atlanta, Georgia, United States of America.
Plos One
|November 17, 2011
Summary
Transposable elements (TEs) can act as novel enhancers, regulating cell-type specific gene expression. Computational analysis of histone modifications identified thousands of TE-derived enhancers, highlighting their broad role in epigenetics.
Area of Science:
- Genomics
- Epigenetics
- Molecular Biology
Background:
- Enhancer regions exhibit specific histone modification patterns.
- Transposable elements (TEs) are mobile DNA sequences with largely unknown regulatory functions.
Purpose of the Study:
- To computationally identify novel enhancers derived from transposable element (TE) sequences in the human genome.
- To investigate the role of TE-derived enhancers in cell-type specific gene regulation.
Main Methods:
- Utilized ENCODE project data on genome-wide histone modifications in GM12878 and K562 human hematopoietic cell lines.
- Developed a computational approach to model enhancer chromatin profiles and predict TE-derived enhancer locations.
- Associated predicted TE-derived enhancers with cell-type specific gene expression patterns.
Main Results:
- Identified 2,107 and 1,448 putative TE-derived enhancers in GM12878 and K562 cells, respectively.
- Found a strong positive correlation between the number of TE-derived enhancers and the expression of nearby genes.
- Observed that differentially expressed genes between cell lines have divergent numbers of nearby TE-derived enhancers.
Conclusions:
- Human TE-derived sequences function as widespread regulators of cell-type specific gene expression.
- Enhancer activity of TE-derived sequences is likely mediated by epigenetic regulatory mechanisms.
- TEs represent a significant, previously underappreciated source of gene regulatory elements.
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