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Updated: Apr 11, 2026
An Organotypic High Throughput System for Characterization of Drug Sensitivity of Primary Multiple Myeloma Cells
Published on: July 15, 2015
Single-molecule analysis reveals widespread structural variation in multiple myeloma.
Aditya Gupta1, Michael Place2, Steven Goldstein2
1Biophysics Graduate Program, University of Wisconsin-Madison, Madison, WI 53706; Laboratory for Molecular and Computational Genomics, Department of Chemistry, Laboratory of Genetics and Biotechnology Center, University of Wisconsin-Madison, Madison, WI 53706; University of Wisconsin Carbone Cancer Center, Madison, WI 53705;
Optical mapping revealed extensive structural variations in multiple myeloma (MM) genomes. This study shows increased mutational burden during tumor progression in MM, advancing cancer genomics research.
Area of Science:
- Genomics
- Cancer Biology
- Molecular Oncology
Background:
- Multiple myeloma (MM) exhibits significant genomic heterogeneity, impacting disease progression and treatment outcomes.
- Current sequencing methods limit the comprehensive understanding of structural variations in MM genomes.
- Genomic structural variation plays a critical role in MM pathogenesis and evolution.
Purpose of the Study:
- To apply optical mapping for novel structural variant discovery in a primary MM genome.
- To comprehensively characterize MM genome structure and variation by integrating optical mapping with DNA sequencing.
- To investigate the dynamics of mutational burden during MM tumor progression.
Main Methods:
- Utilized optical mapping, a single-molecule, whole-genome analysis technique.
- Integrated optical mapping data with DNA sequencing-based genomic analysis.
- Analyzed MM genome structure and variation at two distinct time points during tumor progression.
Main Results:
- Identified and characterized widespread structural variations within the primary MM genome.
- Demonstrated the utility of optical mapping for discovering novel structural variants in MM.
- Observed an increase in mutational burden across all variation scales with tumor progression in MM.
Conclusions:
- Optical mapping is a powerful tool for uncovering complex structural variations in MM.
- Genomic structural variation is dynamic and increases with tumor progression in multiple myeloma.
- Integrated genomic analysis provides a comprehensive understanding of MM genome evolution.
