Cited by 982Melanoma and MAPK PathwaysCancer Genomics and DiagnosticsLung Cancer Treatments and Mutations

Acquired Resistance and Clonal Evolution in Melanoma during BRAF Inhibitor Therapy

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Shi, Hubing, Hugo, Willy, Kong, Xiangju, Hong, Aayoung, Koya, Richard C., Moriceau, Gatien, Chodon, Thinle, Guo, Rongqing +11 more·2014·Cancer Discovery

Published version of a preprint

Abstract

Abstract BRAF inhibitors elicit rapid antitumor responses in the majority of patients with BRAFV600-mutant melanoma, but acquired drug resistance is almost universal. We sought to identify the core resistance pathways and the extent of tumor heterogeneity during disease progression. We show that mitogen-activated protein kinase reactivation mechanisms were detected among 70% of disease-progressive tissues, with RAS mutations, mutant BRAF amplification, and alternative splicing being most common. We also detected PI3K–PTEN–AKT–upregulating genetic alterations among 22% of progressive melanomas. Distinct molecular lesions in both core drug escape pathways were commonly detected concurrently in the same tumor or among multiple tumors from the same patient. Beyond harboring extensively heterogeneous resistance mechanisms, melanoma regrowth emerging from BRAF inhibitor selection displayed branched evolution marked by altered mutational spectra/signatures and increased fitness. Thus, melanoma genomic heterogeneity contributes significantly to BRAF inhibitor treatment failure, implying upfront, cotargeting of two core pathways as an essential strategy for durable responses. Significance: This study provides critical insights into how human BRAF-mutant melanoma, a malignancy with marked mutational burden, escapes from BRAF inhibitors. Understanding the core resistance pathways as well as tumor heterogeneity, fitness, and mutational patterns, which emerge under drug selection, lays a foundation to rationalize clinical studies and investigate mechanisms of disease progression. Cancer Discov; 4(1); 80–93. ©2013 AACR. See related commentary by Solit and Rosen, p. 27 This article is highlighted in the In This Issue feature, p. 1

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  • In melanoma, core regulators of neural crest lineage, MITF and SOX10, regulate the emergence of distinct cell states associated with drug tolerance establishment after treatment.

    “In melanoma, core regulators of neural crest lineage, MITF and SOX10, regulate the emergence of distinct cell states associated with drug tolerance establishment after treatment [61,82,83,84].”

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Authors
Shi, H., Hugo, W., Kong, X., Hong, A., Koya, R. C., Moriceau, G., Chodon, T., Guo, R., Johnson, D. B., Dahlman, K. B., Kelley, M. C., Kefford, R. F., Chmielowski, B., Glaspy, J. A., Sosman, J. A., van Baren, N., Long, G. V., Ribas, A., & Lo, R. S.
Affiliations
  • The University of Sydney (AU)
  • Authors' Affiliations: 1Division of Dermatology, Department of Medicine, 2Division of Surgical Oncology, Department of Surgery, 3Division of Hematology & Oncology, Department of Medicine; 4Jonsson Comprehensive Cancer Center; 5Department of Molecular and Medical Pharmacology; 6David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California; Departments of 7Medicine, 8Cancer Biology, and 9Surgery, 10Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, Tennessee; 11Melanoma Institute of Australia, Westmead Millennium Institute, Westmead Hospital, University of Sydney, Sydney, New South Wales, Australia; and 12Ludwig Institute for Cancer Research, Brussels Branch, Belgium
Corresponding author
Lo, Roger S.
Venue
Cancer Discovery
Published
2014-01-01
Volume
4
Issue
1
Pages
80-93
ISSN
  • 2159-8274 (ISSN-L)
  • 2159-8290
OpenAlex
W2105660237
Cited by
982
References
52
Citations by year
2026: 22 · 2025: 30 · 2024: 56 · 2023: 64 · 2022: 62 · 2021: 75 · 2020: 96 · 2019: 83 · 2018: 108 · 2017: 122 · 2016: 96 · 2015: 84 · 2014: 79 · 2013: 2
FWCI
38.94
Type
journal article
Language
en
Open access
Locations
  • Cancer Discovery (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
  • Digital Access to Libraries (submittedVersion)
Funders
  • American Skin Association
  • Melanoma Research Alliance
  • Sidney Kimmel Foundation for Cancer Research
  • Vanderbilt University
  • Cancer Institute NSW
  • Plexxikon
  • National Institutes of Health (UL1TR000124)
  • Stand Up To Cancer (SU2C-AACR-IRG0409)
  • Medical Research Council
  • National Health and Medical Research Council
  • National Cancer Institute (K22CA151638, K24CA097588, P01CA168585, K12CA090625, P30CA016042, R01CA176111)
  • National Center for Advancing Translational Sciences
  • Clinical and Translational Science Institute, University of California, Los Angeles (UL1TR000124)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Melanoma and MAPK Pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer Genomics and Diagnostics
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Lung Cancer Treatments and Mutations
Keywords
BRAF inhibitor resistance, BRAF V600-mutant melanoma, clonal evolution, tumor heterogeneity, MAPK pathway reactivation, RAS mutations, BRAF amplification, alternative splicing, PI3K/Akt signaling, mutational signatures, tumor fitness, disease progression, drug resistance mechanisms
MeSH terms
Vemurafenib, Adult, Aged, Aged, 80 and over, Antineoplastic Agents, Female, Humans, Imidazoles, Indoles, Male, Melanoma, Middle Aged, Oximes, Skin Neoplasms, Sulfonamides, ras Proteins, Drug Resistance, Neoplasm, Phosphatidylinositol 3-Kinases, Mitogen-Activated Protein Kinases, Cell Line, Tumor, Protein Kinase Inhibitors, Proto-Oncogene Proteins B-raf, Proto-Oncogene Proteins c-akt, PTEN Phosphohydrolase, Clonal Evolution

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