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DNA methylation assays

Benchmarking of DNA methylation assays for biomarkers and clinical application

DNA methylation assays

DNA methylation patterns are altered in numerous diseases and often correlate with clinically relevant information such as disease subtypes, prognosis, and drug response. With suitable assays and after validation in large cohorts, such associations can be exploited for clinical diagnostics and personalized treatment decisions. Here we describe the results of a community-wide benchmarking study comparing the performance of all widely used methods for DNA methylation analysis that are compatible with routine clinical use. We shipped 32 reference samples to 18 laboratories in 7 different countries. These laboratories collectively contributed 21 locus-specific assays for an average of 27 predefined genomic regions, as well as 6 global assays. We evaluated assay sensitivity on low-input samples and assessed the assays’ ability to discriminate between cell types. Good agreement was observed across all tested methods, with amplicon bisulfite sequencing and bisulfite pyrosequencing showing the best all-round performance. Our benchmarking analysis can help with the selection, optimization, and use of DNA methylation assays in large-scale validation studies, biomarker development, and clinical diagnostics.


Quantitative comparison of DNA methylation assays for large-scale validation and epigenetic biomarker development

Quantitative comparison of DNA methylation assays for large-scale validation and epigenetic biomarker development

Bock C*, Halbritter F, Carmona FJ, Tierling S, Datlinger P, Assenov Y, Berdasco M, Bergmann AK, Booher K, Busato F, Campan M, Dahl C, Dahmcke CM, Diep D, Fernández AF, Gerhauser C, Haake A, Heilmann K, Hol-comb T, Hussmann D, Ito M, Kreutz M, Kulis M, Lopez V, Nair SS, Paul DS, Plongthongkum N, Qu W, Quei-rós AC, Sauter G, Schlomm T, Stirzaker C, Statham A, Strogantsev R, Urdinguio RG, Walter K, Weichenhan D, Weisenberger DJ, Beck S, Clark SJ, Esteller M, Ferguson-Smith AC, Fraga MF, Guldberg P, Hansen LL, Laird PW, Martin-Subero JI, Nygren AOH, Peist R, Plass C, Shames DS, Siebert R, Sun X, Tost J, Walter J, Zhang K, for the BLUEPRINT consortium

Nature Biotechnology  34, 726-737 (2016). DOI: 10.1038/nbt.3605

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* shared first or shared senior authorship

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