ROBIN: a unified nanopore-based assay integrating intraoperative methylome classification and next-day comprehensive profiling for ultra-rapid tumor diagnosis

Advances in our technological capacity to interrogate CNS tumor biology have led to the ever increasing use of genomic sequencing in diagnostic decision making. Presently, CNS tumors are classified based on their epigenetic signatures, leading to a paradigm shift in diagnostic pathways. Such testing...

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Hauptverfasser: Deacon, Simon (VerfasserIn) , Cahyani, Inswasti (VerfasserIn) , Holmes, Nadine (VerfasserIn) , Fox, Graeme (VerfasserIn) , Munro, Rory (VerfasserIn) , Wibowo, Satrio (VerfasserIn) , Murray, Thomas (VerfasserIn) , Mason, Hannah (VerfasserIn) , Housley, Mark (VerfasserIn) , Martin, Daniel (VerfasserIn) , Sharif, Abdi (VerfasserIn) , Patel, Areeba (VerfasserIn) , Goldspring, Robert (VerfasserIn) , Brandner, Sebastian (VerfasserIn) , Sahm, Felix (VerfasserIn) , Smith, Stuart (VerfasserIn) , Paine, Simon (VerfasserIn) , Loose, Matthew (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 20 May 2025
In: Neuro-Oncology
Year: 2025, Jahrgang: 27, Heft: 8, Pages: 2035-2046
ISSN:1523-5866
DOI:10.1093/neuonc/noaf103
Online-Zugang:Verlag, kostenfrei, Volltext: https://doi.org/10.1093/neuonc/noaf103
Verlag, kostenfrei, Volltext: https://academic.oup.com/neuro-oncology/article/27/8/2035/8139084?login=true
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Verfasserangaben:Simon Deacon, Inswasti Cahyani, Nadine Holmes, Graeme Fox, Rory Munro, Satrio Wibowo, Thomas Murray, Hannah Mason, Mark Housley, Daniel Martin, Abdi Sharif, Areeba Patel, Robert Goldspring, Sebastian Brandner, Felix Sahm, Stuart Smith, Simon Paine, and Matthew Loose

MARC

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520 |a Advances in our technological capacity to interrogate CNS tumor biology have led to the ever increasing use of genomic sequencing in diagnostic decision making. Presently, CNS tumors are classified based on their epigenetic signatures, leading to a paradigm shift in diagnostic pathways. Such testing can be performed so rapidly using nanopore sequencing that results can be provided intraoperatively. This information greatly improves the fidelity of smear diagnosis and can help surgeons tailor their approach, balancing the risks of surgery with the likely benefit. Nevertheless, full integrated diagnosis may require subsequent additional assays to detect pathognomonic somatic mutations and structural variants, thereby delaying the time to final diagnosis.Here, we present ROBIN, a tool based on PromethION nanopore sequencing technology that can provide both real-time, intraoperative methylome classification and next-day comprehensive molecular profiling within a single assay. ROBIN utilizes 3 methylation classifiers to improve diagnostic performance in the intraoperative setting.We demonstrate classifier performance on 50 prospective intraoperative cases, achieving a diagnostic turnaround time under 2 hours and generating robust tumor classifications within minutes of sequencing. Furthermore, ROBIN can detect single nucleotide variants, copy number variants, and structural variants in real time, and is able to inform a complete integrated diagnosis within 24 hours. Classifier performance demonstrated concordance with final integrated diagnosis in 90% of prospective cases.Nanopore sequencing can greatly improve turnaround times for standard-of-care diagnostic testing and is furthermore able to reliably provide clinically actionable intraoperative tumor classification. 
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