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Optical Genome Mapping for Oncology Applications.

Nikhil Shri Sahajpal1, Ashis K Mondal2, Alex Hastie3

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PubMed
Summary

Optical genome mapping (OGM) offers a comprehensive approach to detecting structural variations in malignancies. This guide details OGM methods and quality control, aiding researchers and clinicians in its application for tumor genetic analysis.

Keywords:
bloodcellsmethodoncologyoptical genome mappingsolid tissuetroubleshooting

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Area of Science:

  • Genomics
  • Molecular Biology
  • Cancer Research

Background:

  • Optical genome mapping (OGM) is an advanced cytogenomic technique.
  • It shows promise in replacing current methods for genetic analysis in cancer.

Purpose of the Study:

  • To provide detailed methodology for performing OGM.
  • To outline quality control (QC) procedures and troubleshooting for OGM workflows.
  • To support users in optimizing and resolving issues with OGM.

Main Methods:

  • Detailed protocol for Optical Genome Mapping.
  • Pre- and post-analytical quality control (QC) steps.
  • Identification of critical steps, QC failure causes, and troubleshooting modifications.

Main Results:

  • OGM can detect diverse structural variations (CNVs, deletions, duplications, insertions, inversions, translocations, complex rearrangements) in a single assay.
  • The provided protocol and troubleshooting guide address practical aspects of OGM implementation.
  • The utility of OGM in tumor research and clinical settings is demonstrated.

Conclusions:

  • OGM is a powerful tool for comprehensive genomic analysis in oncology.
  • Standardized protocols and troubleshooting are essential for reliable OGM application.
  • This work facilitates the adoption and effective use of OGM in clinical and research settings.