Single-cell analysis reveals a stem-cell program in human metastatic breast cancer cells

Devon A. Lawson, Nirav R. Bhakta, Kai Kessenbrock, Karin D. Prummel, Ying Yu, Ken Takai, Alicia Zhou, Henok Eyob, Sanjeev Balakrishnan, Chih Yang Wang, Paul Yaswen, Andrei Goga, Zena Werb

Research output: Contribution to journalArticle

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Abstract

Despite major advances in understanding the molecular and genetic basis of cancer, metastasis remains the cause of >90% of cancer-related mortality. Understanding metastasis initiation and progression is critical to developing new therapeutic strategies to treat and prevent metastatic disease. Prevailing theories hypothesize that metastases are seeded by rare tumour cells with unique properties, which may function like stem cells in their ability to initiate and propagate metastatic tumours. However, the identity of metastasis-initiating cells in human breast cancer remains elusive, and whether metastases are hierarchically organized is unknown. Here we show at the single-cell level that early stage metastatic cells possess a distinct stem-like gene expression signature. To identify and isolate metastatic cells from patient-derived xenograft models of human breast cancer, we developed a highly sensitive fluorescence-activated cell sorting (FACS)-based assay, which allowed us to enumerate metastatic cells in mouse peripheral tissues. We compared gene signatures in metastatic cells from tissues with low versus high metastatic burden. Metastatic cells from low-burden tissues were distinct owing to their increased expression of stem cell, epithelial-to-mesenchymal transition, pro-survival, and dormancy-associated genes. By contrast, metastatic cells from high-burden tissues were similar to primary tumour cells, which were more heterogeneous and expressed higher levels of luminal differentiation genes. Transplantation of stem-like metastatic cells from low-burden tissues showed that they have considerable tumour-initiating capacity, and can differentiate to produce luminal-like cancer cells. Progression to high metastatic burden was associated with increased proliferation and MYC expression, which could be attenuated by treatment with cyclin-dependent kinase (CDK) inhibitors. These findings support a hierarchical model for metastasis, in which metastases are initiated by stem-like cells that proliferate and differentiate to produce advanced metastatic disease.

Original languageEnglish
Pages (from-to)131-135
Number of pages5
JournalNature
Volume526
Issue number7571
DOIs
Publication statusPublished - Oct 1 2015
Externally publishedYes

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Single-Cell Analysis
Stem Cells
Breast Neoplasms
Neoplasm Metastasis
Neoplasms
Genes
Epithelial-Mesenchymal Transition
Cyclin-Dependent Kinases
Transcriptome
Heterografts
Molecular Biology

ASJC Scopus subject areas

  • General

Cite this

Lawson, D. A., Bhakta, N. R., Kessenbrock, K., Prummel, K. D., Yu, Y., Takai, K., ... Werb, Z. (2015). Single-cell analysis reveals a stem-cell program in human metastatic breast cancer cells. Nature, 526(7571), 131-135. https://doi.org/10.1038/nature15260

Single-cell analysis reveals a stem-cell program in human metastatic breast cancer cells. / Lawson, Devon A.; Bhakta, Nirav R.; Kessenbrock, Kai; Prummel, Karin D.; Yu, Ying; Takai, Ken; Zhou, Alicia; Eyob, Henok; Balakrishnan, Sanjeev; Wang, Chih Yang; Yaswen, Paul; Goga, Andrei; Werb, Zena.

In: Nature, Vol. 526, No. 7571, 01.10.2015, p. 131-135.

Research output: Contribution to journalArticle

Lawson, DA, Bhakta, NR, Kessenbrock, K, Prummel, KD, Yu, Y, Takai, K, Zhou, A, Eyob, H, Balakrishnan, S, Wang, CY, Yaswen, P, Goga, A & Werb, Z 2015, 'Single-cell analysis reveals a stem-cell program in human metastatic breast cancer cells', Nature, vol. 526, no. 7571, pp. 131-135. https://doi.org/10.1038/nature15260
Lawson DA, Bhakta NR, Kessenbrock K, Prummel KD, Yu Y, Takai K et al. Single-cell analysis reveals a stem-cell program in human metastatic breast cancer cells. Nature. 2015 Oct 1;526(7571):131-135. https://doi.org/10.1038/nature15260
Lawson, Devon A. ; Bhakta, Nirav R. ; Kessenbrock, Kai ; Prummel, Karin D. ; Yu, Ying ; Takai, Ken ; Zhou, Alicia ; Eyob, Henok ; Balakrishnan, Sanjeev ; Wang, Chih Yang ; Yaswen, Paul ; Goga, Andrei ; Werb, Zena. / Single-cell analysis reveals a stem-cell program in human metastatic breast cancer cells. In: Nature. 2015 ; Vol. 526, No. 7571. pp. 131-135.
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