Cited by 988Multiple Myeloma Research and TreatmentsCancer Genomics and DiagnosticsAcute Myeloid Leukemia Research

Widespread Genetic Heterogeneity in Multiple Myeloma: Implications for Targeted Therapy

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Lohr, Jens G., Stojanov, Petar, Carter, Scott L., Cruz-Gordillo, Peter, Lawrence, Michael S., Auclair, Daniel, Sougnez, Carrie, Knoechel, Birgit +42 more·2014·Cancer Cell

Abstract

We performed massively parallel sequencing of paired tumor/normal samples from 203 multiple myeloma (MM) patients and identified significantly mutated genes and copy number alterations and discovered putative tumor suppressor genes by determining homozygous deletions and loss of heterozygosity. We observed frequent mutations in KRAS (particularly in previously treated patients), NRAS, BRAF, FAM46C, TP53, and DIS3 (particularly in nonhyperdiploid MM). Mutations were often present in subclonal populations, and multiple mutations within the same pathway (e.g., KRAS, NRAS, and BRAF) were observed in the same patient. In vitro modeling predicts only partial treatment efficacy of targeting subclonal mutations, and even growth promotion of nonmutated subclones in some cases. These results emphasize the importance of heterogeneity analysis for treatment decisions.

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Authors
Lohr, J. G., Stojanov, P., Carter, S. L., Cruz-Gordillo, P., Lawrence, M. S., Auclair, D., Sougnez, C., Knoechel, B., Gould, J., Saksena, G., Cibulskis, K., McKenna, A., Chapman, M. A., Straussman, R., Levy, J., Perkins, L. M., Keats, J. J., Schumacher, S. E., Rosenberg, M., Getz, G., Golub, T. R., Anderson, K. C., Richardson, P., Krishnan, A., Lonial, S., Kaufman, J., Siegel, D. S., Vesole, D. H., Roy, V., Rivera, C. E., Rajkumar, S. V., Kumar, S., Fonseca, R., Ahmann, G. J., Bergsagel, P. L., Stewart, A. K., Hofmeister, C. C., Efebera, Y. A., Jagannath, S., Chari, A., Trudel, S., Reece, D., Wolf, J., Martin, T., Zimmerman, T., Rosenbaum, C., Jakubowiak, A. J., Lebovic, D., Vij, R., & Stockerl-Goldstein, K.
Affiliations
  • Broad Institute (US)
  • Addenbrooke's Hospital (GB)
  • Multiple Myeloma Research Foundation (US)
  • Translational Genomics Research Institute (US)
Corresponding author
Golub, Todd R.
Venue
Cancer Cell
Publisher
Elsevier BV
Published
2014-01
Volume
25
Issue
1
Pages
91-101
ISSN
1535-6108 (ISSN-L)
OpenAlex
W2059581635
Cited by
988
References
54
Citations by year
2026: 28 · 2025: 36 · 2024: 55 · 2023: 56 · 2022: 98 · 2021: 97 · 2020: 107 · 2019: 91 · 2018: 101 · 2017: 92 · 2016: 92 · 2015: 81 · 2014: 52
FWCI
74.94
Type
journal article
Language
en
Open access
Locations
  • Cancer Cell (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • Howard Hughes Medical Institute
  • Conquer Cancer Foundation
  • Multiple Myeloma Research Foundation
  • World Health Organization
  • Dana-Farber/Harvard Cancer Center
  • Broad Institute
  • National Institutes of Health
  • National Cancer Institute (U54CA112962, P50CA100707, T32CA009172)
Topics
  • Health Sciences › Medicine › Hematology › Multiple Myeloma Research and Treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer Genomics and Diagnostics
  • Health Sciences › Medicine › Hematology › Acute Myeloid Leukemia Research
Keywords
multiple myeloma, tumor genetic heterogeneity, subclonal mutations, copy number alterations, homozygous deletion, loss of heterozygosity, KRAS mutation, NRAS mutation, BRAF mutation, TP53 mutation, FAM46C, DIS3, targeted therapy, in vitro tumor model, tumor suppressor
MeSH terms
Humans, Multiple Myeloma, Mutation, Blotting, Western, Sequence Analysis, DNA, Gene Dosage, Genetic Heterogeneity

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