Detecting cell-of-origin and cancer-specific methylation features of cell-free DNA from Nanopore sequencing

Efrat Katsman, Shari Orlanski, Filippo Martignano, Ilana Fox-Fisher, Ruth Shemer, Yuval Dor, Aviad Zick, Amir Eden, Iacopo Petrini, Silvestro G. Conticello*, Benjamin P. Berman*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

The Oxford Nanopore (ONT) platform provides portable and rapid genome sequencing, and its ability to natively profile DNA methylation without complex sample processing is attractive for point-of-care real-time sequencing. We recently demonstrated ONT shallow whole-genome sequencing to detect copy number alterations (CNAs) from the circulating tumor DNA (ctDNA) of cancer patients. Here, we show that cell type and cancer-specific methylation changes can also be detected, as well as cancer-associated fragmentation signatures. This feasibility study suggests that ONT shallow WGS could be a powerful tool for liquid biopsy. Graphical Abstract: [Figure not available: see fulltext.]

Original languageAmerican English
Article number158
JournalGenome Biology
Volume23
Issue number1
DOIs
StatePublished - 15 Jul 2022

Bibliographical note

Publisher Copyright:
© 2022, The Author(s).

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