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HFSP Publishing, HFSP Journal, 4(3), p. 265-272, 2009

DOI: 10.2976/1.3086732

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Homeostatic competition drives tumor growth and metastasis nucleation

Journal article published in 2009 by Markus Basan, Thomas Risler, Jean-François Joanny, Xavier Sastre-Garau, Jacques Prost
This paper is available in a repository.
This paper is available in a repository.

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Abstract

We propose a mechanism for tumor growth emphasizing the role of homeostatic regulation and tissue stability. We show that competition between surface and bulk effects leads to the existence of a critical size that must be overcome by metastases to reach macroscopic sizes. This property can qualitatively explain the observed size distributions of metastases, while size-independent growth rates cannot account for clinical and experimental data. In addition, it potentially explains the observed preferential growth of metastases on tissue surfaces and membranes such as the pleural and peritoneal layers, suggests a mechanism underlying the seed and soil hypothesis introduced by Stephen Paget in 1889 and yields realistic values for metastatic inefficiency. We propose a number of key experiments to test these concepts. The homeostatic pressure as introduced in this work could constitute a quantitative, experimentally accessible measure for the metastatic potential of early malignant growths. ; Comment: 13 pages, 11 figures, to be published in the HFSP Journal