Patterns of Mutation Enrichment in Metastatic Triple-Negative Breast Cancer

Background: Triple-negative breast cancer (TNBC) is a heterogeneous disease with aggressive biology and complex tumor evolution. Our purpose was to identify enrichment patterns of genomic alterations in metastatic triple-negative breast cancer (mTNBC). Methods: Genomic data were retrieved (mutations...

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Bibliographic Details
Published in:Clinical Medicine Insights. Oncology 2019, Vol.13, p.1179554919868482-1179554919868482
Main Authors: Saravia, César H, Flores, Claudio, Schwarz, Luis J, Bravo, Leny, Zavaleta, Jenny, Araujo, Jhajaira, Neciosup, Silvia, Pinto, Joseph A
Format: Article
Language:English
Subjects:
Angiogenesis
Breast cancer
Chemotherapy
Consortia
Evolution
Genes
Genomes
Metastasis
Mutation
Original Research
Proteins
Tumors
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Summary:Background: Triple-negative breast cancer (TNBC) is a heterogeneous disease with aggressive biology and complex tumor evolution. Our purpose was to identify enrichment patterns of genomic alterations in metastatic triple-negative breast cancer (mTNBC). Methods: Genomic data were retrieved (mutations and copy number variations) from 550 primary TNBC tumors from the Molecular Taxonomy of Breast Cancer International Consortium (METABRIC) and The Cancer Genome Atlas (TCGA) data sets and 58 mTNBC tumors from “Mutational Profile of Metastatic Breast Cancers” and “The Metastatic Breast Cancer Project.” Statistical analysis of microarray data between primary and metastatic tumors was performed using a chi-square test, and the percentage of mutation enrichment in mTNBC cases was estimated. P-values were adjusted for multiple testing with Benjamini-Hochberg method with a false-discovery rate (FDR)
ISSN:1179-5549
1179-5549
DOI:10.1177/1179554919868482