Whole-Exome Sequencing, Mutational Signature Analysis, and Outcome in Multiple Myeloma—A Pilot Study

Lorenz Oelschläger, Axel Künstner, Friederike Frey, Theo Leitner, Lisa Leypoldt, Niklas Reimer, Niklas Gebauer, Lorenz Bastian, Katja Weisel, Verena Wilbeth Sailer, Christoph Röcken, Wolfram Klapper, Björn Konukiewitz, Eva Maria Murga Penas, Michael Forster, Natalie Schub, Helal M.M. Ahmed, Jutta Kirfel, Nikolas Christian Cornelius von Bubnoff, Hauke BuschCyrus Khandanpour*

*Corresponding author for this work

Abstract

The complex and heterogeneous genomic landscape of multiple myeloma (MM) and many of its clinical and prognostic implications remains to be understood. In other cancers, such as breast cancer, using whole-exome sequencing (WES) and molecular signatures in clinical practice has revolutionized classification, prognostic prediction, and patient management. However, such integration is still in its early stages in MM. In this study, we analyzed WES data from 35 MM patients to identify potential mutational signatures and driver mutations correlated with clinical and cytogenetic characteristics. Our findings confirm the complex mutational spectrum and its impact on previously described ontogenetic and epigenetic pathways. They show TYW1 as a possible new potential driver gene and find no significant associations of mutational signatures with clinical findings. Further studies are needed to strengthen the role of mutational signatures in the clinical context of patients with MM to improve patient management.

Original languageEnglish
Article number13418
JournalInternational Journal of Molecular Sciences
Volume25
Issue number24
ISSN1661-6596
DOIs
Publication statusPublished - 12.2024

Research Areas and Centers

  • Research Area: Luebeck Integrated Oncology Network (LION)
  • Centers: University Cancer Center Schleswig-Holstein (UCCSH)
  • Research Area: Medical Genetics

DFG Research Classification Scheme

  • 2.22-14 Hematology, Oncology
  • 2.11-05 General Genetics and Functional Genome Biology

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