Genomic Analyses of Breast Cancer Progression Reveal Distinct Routes of Metastasis Emergence
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Genomic Analyses of Breast Cancer Progression Reveal Distinct Routes of Metastasis Emergence. / Krøigård, Anne Bruun; Larsen, Martin Jakob; Brasch-Andersen, Charlotte; Lænkholm, Anne-Vibeke; Knoop, Ann S; Jensen, Jeanette Dupont; Bak, Martin; Mollenhauer, Jan; Thomassen, Mads; Kruse, Torben A.
In: Scientific Reports, Vol. 7, 43813, 2017.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Genomic Analyses of Breast Cancer Progression Reveal Distinct Routes of Metastasis Emergence
AU - Krøigård, Anne Bruun
AU - Larsen, Martin Jakob
AU - Brasch-Andersen, Charlotte
AU - Lænkholm, Anne-Vibeke
AU - Knoop, Ann S
AU - Jensen, Jeanette Dupont
AU - Bak, Martin
AU - Mollenhauer, Jan
AU - Thomassen, Mads
AU - Kruse, Torben A
PY - 2017
Y1 - 2017
N2 - A main controversy in cancer research is whether metastatic abilities are present in the most advanced clone of the primary tumor or result from independently acquired aberrations in early disseminated cancer cells as suggested by the linear and the parallel progression models, respectively. The genetic concordance between different steps of malignant progression is mostly unexplored as very few studies have included cancer samples separated by both space and time. We applied whole exome sequencing and targeted deep sequencing to 26 successive samples from six patients with metastatic estrogen receptor (ER)-positive breast cancer. Our data provide support for both linear and parallel progression towards metastasis. We report for the first time evidence of metastasis-to-metastasis seeding in breast cancer. Our results point to three distinct routes of metastasis emergence. This may have profound clinical implications and provides substantial novel molecular insights into the timing and mutational evolution of breast cancer metastasis.
AB - A main controversy in cancer research is whether metastatic abilities are present in the most advanced clone of the primary tumor or result from independently acquired aberrations in early disseminated cancer cells as suggested by the linear and the parallel progression models, respectively. The genetic concordance between different steps of malignant progression is mostly unexplored as very few studies have included cancer samples separated by both space and time. We applied whole exome sequencing and targeted deep sequencing to 26 successive samples from six patients with metastatic estrogen receptor (ER)-positive breast cancer. Our data provide support for both linear and parallel progression towards metastasis. We report for the first time evidence of metastasis-to-metastasis seeding in breast cancer. Our results point to three distinct routes of metastasis emergence. This may have profound clinical implications and provides substantial novel molecular insights into the timing and mutational evolution of breast cancer metastasis.
U2 - 10.1038/srep43813
DO - 10.1038/srep43813
M3 - Journal article
C2 - 28276460
VL - 7
JO - Scientific Reports
JF - Scientific Reports
SN - 2045-2322
M1 - 43813
ER -
ID: 195546028