PrEMeR-CG

PrEMeR-CG infers nucleotide-resolution DNA methylation values from capture-based next-generation sequencing (NGS) data by leveraging library fragment length profiles to provide high-resolution methylation analysis.


Key Features:

  • Nucleotide-Resolution Methylation Values: PrEMeR-CG computes nucleotide-resolution methylation estimates by integrating library fragment length profiles into an analytical model.
  • Enhanced Predictive Power: The method provides improved predictive performance compared with window-based approaches used for enrichment data by using nucleotide-resolution information.
  • Cost-Effective Analysis: PrEMeR-CG derives high-resolution methylation data from capture-based NGS as a cost-effective alternative to whole-genome bisulfite sequencing (WGBS).
  • Clinical Applications: The approach has been applied to generate clinically significant gene signatures in acute myeloid leukemia (AML) by integrating nucleotide-resolution methylation with gene expression profiles.
  • Statistical Methodology: The package includes a complementary statistical method to detect differentially methylated features from the high-resolution methylation estimates.

Scientific Applications:

  • Gene regulation studies: Enables investigation of DNA methylation's role in gene regulation in normal physiology and disease.
  • Cancer epigenetics: Supports analysis of pathological states such as cancer, including oncology research.
  • Biomarker discovery and clinical signatures: Facilitates discovery of biomarkers and derivation of clinically significant gene signatures in acute myeloid leukemia (AML) via integration with gene expression.
  • Large-scale epigenetic studies: Allows cost-effective large-scale methylation profiling using capture-based NGS.

Methodology:

Leverages library fragment/fragment length profiles integrated into an analytical model to infer nucleotide-resolution methylation values and employs a complementary statistical method to detect differentially methylated features.

Topics

Details

Tool Type:
command-line tool
Operating Systems:
Linux, Windows, Mac
Programming Languages:
R, Python
Added:
8/3/2017
Last Updated:
11/25/2024

Operations

Publications

Frankhouser DE, Murphy M, Blachly JS, Park J, Zoller MW, Ganbat J, Curfman J, Byrd JC, Lin S, Marcucci G, Yan P, Bundschuh R. PrEMeR-CG: inferring nucleotide level DNA methylation values from MethylCap-seq data. Bioinformatics. 2014;30(24):3567-3574. doi:10.1093/bioinformatics/btu583. PMID:25178460. PMCID:PMC4253832.

Documentation

Links