Cited by 2,210Cancer Genomics and DiagnosticsPrenatal Screening and DiagnosticsBRCA gene mutations in cancer

Liquid Biopsies: Genotyping Circulating Tumor DNA

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Diaz, Luis A., Bardelli, Alberto·2014·Journal of Clinical Oncology

Abstract

Genotyping tumor tissue in search of somatic genetic alterations for actionable information has become routine practice in clinical oncology. Although these sequence alterations are highly informative, sampling tumor tissue has significant inherent limitations; tumor tissue is a single snapshot in time, is subject to selection bias resulting from tumor heterogeneity, and can be difficult to obtain. Cell-free fragments of DNA are shed into the bloodstream by cells undergoing apoptosis or necrosis, and the load of circulating cell-free DNA (cfDNA) correlates with tumor staging and prognosis. Moreover, recent advances in the sensitivity and accuracy of DNA analysis have allowed for genotyping of cfDNA for somatic genomic alterations found in tumors. The ability to detect and quantify tumor mutations has proven effective in tracking tumor dynamics in real time as well as serving as a liquid biopsy that can be used for a variety of clinical and investigational applications not previously possible.

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  1. [1]Mandel P Metais P Les acides nucleiques du plasma sanguin chez l’homme [in French] C R Seances Soc Biol Fil 1948 142 241 243 18875018

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Authors
Diaz, L. A., & Bardelli, A.
Affiliations
Johns Hopkins University (US)
Venue
Journal of Clinical Oncology
Published
2014-02-20
Volume
32
Issue
6
Pages
579-586
ISSN
  • 0732-183X (ISSN-L)
  • 1527-7755
OpenAlex
W2027735722
Cited by
2,210
References
87
Citations by year
2026: 84 · 2025: 130 · 2024: 134 · 2023: 175 · 2022: 165 · 2021: 207 · 2020: 241 · 2019: 234 · 2018: 244 · 2017: 235 · 2016: 185 · 2015: 130 · 2014: 43 · 2013: 2
FWCI
63.32
Type
journal article
Language
en
Open access
Locations
  • Journal of Clinical Oncology (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Institutional Research Information System University of Turin (University of Turin) (submittedVersion)
Funders
National Cancer Institute (P30CA006973)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer Genomics and Diagnostics
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Prenatal Screening and Diagnostics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › BRCA gene mutations in cancer
Keywords
liquid biopsy, circulating tumor DNA, cell-free DNA, somatic mutations, tumor heterogeneity, tumor genotyping, actionable mutations, tumor staging, prognosis
MeSH terms
Biopsy, DNA, Neoplasm, Genotype, Humans, Neoplasms

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