Defining the clonal dynamics leading to mouse skin tumour initiation

A. Sánchez Danés, E. Hannezo, J. Larsimont, M. Liagre, K. Youssef, B. Simons, C. Blanpain, Nature 536 (2016) 298–303.

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Abstract
The changes in cell dynamics after oncogenic mutation that lead to the development of tumours are currently unknown. Here, using skin epidermis as a model, we assessed the effect of oncogenic hedgehog signalling in distinct cell populations and their capacity to induce basal cell carcinoma, the most frequent cancer in humans. We found that only stem cells, and not progenitors, initiated tumour formation upon oncogenic hedgehog signalling. This difference was due to the hierarchical organization of tumour growth in oncogene-targeted stem cells, characterized by an increase in symmetric self-renewing divisions and a higher p53-dependent resistance to apoptosis, leading to rapid clonal expansion and progression into invasive tumours. Our work reveals that the capacity of oncogene-targeted cells to induce tumour formation is dependent not only on their long-term survival and expansion, but also on the specific clonal dynamics of the cancer cell of origin.
Publishing Year
Date Published
2016-07-08
Journal Title
Nature
Acknowledgement
We would like to thank J.-M. Vanderwinden and the LiMiF for the help with confocal microscopy. C.B. is an investigator of WELBIO. A.S.-D. and J.C.L. are supported by a fellowship of the FNRS and FRIA respectively. B.D.S. and E.H. are supported by the Wellcome Trust (grant numbers 098357/Z/12/Z and 110326/Z/15/Z). E.H. is supported by a fellowship from Trinity College, Cambridge. This work was supported by the FNRS, the IUAP program, the Fondation contre le Cancer, the ULB fondation, the foundation Bettencourt Schueller, the foundation Baillet Latour, a consolidator grant of the European Research Council.
Volume
536
Issue
7616
Page
298 - 303
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Sánchez Danés A, Hannezo E, Larsimont J, et al. Defining the clonal dynamics leading to mouse skin tumour initiation. Nature. 2016;536(7616):298-303. doi:10.1038/nature19069
Sánchez Danés, A., Hannezo, E., Larsimont, J., Liagre, M., Youssef, K., Simons, B., & Blanpain, C. (2016). Defining the clonal dynamics leading to mouse skin tumour initiation. Nature, 536(7616), 298–303. https://doi.org/10.1038/nature19069
Sánchez Danés, Adriana, Edouard Hannezo, Jean Larsimont, Mélanie Liagre, Khalil Youssef, Benjamin Simons, and Cédric Blanpain. “Defining the Clonal Dynamics Leading to Mouse Skin Tumour Initiation.” Nature 536, no. 7616 (2016): 298–303. https://doi.org/10.1038/nature19069.
A. Sánchez Danés et al., “Defining the clonal dynamics leading to mouse skin tumour initiation,” Nature, vol. 536, no. 7616, pp. 298–303, 2016.
Sánchez Danés A, Hannezo E, Larsimont J, Liagre M, Youssef K, Simons B, Blanpain C. 2016. Defining the clonal dynamics leading to mouse skin tumour initiation. Nature. 536(7616), 298–303.
Sánchez Danés, Adriana, et al. “Defining the Clonal Dynamics Leading to Mouse Skin Tumour Initiation.” Nature, vol. 536, no. 7616, Nature Publishing Group, 2016, pp. 298–303, doi:10.1038/nature19069.

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