Volume 82, Number 2, April 2008
|Number of page(s)||5|
|Published online||26 March 2008|
Spatiotemporal noise triggering infiltrative tumor growth with immunosurveillance
Department of Physics, School of Physics and Engineering, Sun Yat-sen University - Guangzhou 510275, PRC
2 Centre for Nonlinear Studies, Hong Kong Baptist University - Kowloon Tong, Hong Kong
3 South-China State-key Laboratory for Oncology, Cancer Center of Sun Yat-sen University - Guangzhou 510006, PRC
Corresponding author: firstname.lastname@example.org
Accepted: 26 February 2008
A spatiotemporal noise is assumed to reflect the environmental fluctuation in a spatially extended tumor system. We introduce firstly the structure factor to reveal the invasive tumor growth quantitatively. The homogenous environment can lead to an expansive growth of the tumor cells, while the inhomogenous environment underlies an infiltrative growth. The different responses of the above two cases are separated by a characteristic critical intensity of the spatiotemporal noise. Theoretical and numerical results present a close annotation to the clinical images.
PACS: 05.40.-a – Fluctuation phenomena, random processes, noise, and Brownian motion / 87.18.Hf – Spatiotemporal pattern formation in cellular populations / 05.45.-a – Nonlinear dynamics and chaos
© EPLA, 2008
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