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Comprehensive Evaluation of The Infinium Human MethylationEPIC v2 BeadChip.
Diljeet Kaur1,2, Sol Moe Lee1,2, David Goldberg1
1Center for Computational and Genomic Medicine, The Children's Hospital of Philadelphia, PA, 19104, USA.
Epigenetics Communications
|March 8, 2024
Summary
The new Infinium MethylationEPIC v2 BeadChip (EPICv2) offers enhanced DNA methylation profiling. This cost-effective tool improves enhancer coverage and supports low-input DNA for epigenetics research.
Area of Science:
- Epigenetics
- Genomics
- Molecular Biology
Background:
- Infinium Methylation BeadChips are essential for profiling DNA cytosine modifications in large studies.
- Previous versions provided cost-effective, accurate, and user-friendly epigenetic analysis.
Purpose of the Study:
- To comprehensively evaluate the updated Infinium MethylationEPIC v2 BeadChip (EPICv2).
- To assess EPICv2's improvements in coverage, DNA input requirements, and applications in epigenetics and cancer genomics.
Main Methods:
- Evaluation of EPICv2 performance, including accuracy and reproducibility.
- Application of EPICv2 to identify epigenome and sequence signatures in cell line models.
- Probe-wise evaluation and annotation for new array features.
Main Results:
- EPICv2 demonstrates significant improvements over predecessors.
- Expanded enhancer coverage, applicability to diverse ancestries, and low-input DNA support (1 nanogram).
- Successful identification of epigenome and sequence signatures in DNMT and SETD2 models, with probe-level data for cancer genomics.
Conclusions:
- EPICv2 is a valuable tool for studying epigenetic modifications.
- Facilitates research on the interplay between somatic mutations and the epigenetic landscape in cancer.
- Supports diverse applications in development and disease research.
