Flow-correlated dilution of a regular network leads to a percolating network during tumor induced angiogenesis

Details Flow-correlated dilution of a regular network leads to a percolating network during tumor induced angiogenesis Flow-correlated dilution of a regular network leads to a percolating network during tumor induced angiogenesis

2007-11-27

arxiv.org/abs/0711.4498v4

Biology

Quantitative Biology

Cell Behavior

15 pages, 12 figures

Scientific paper

We study a simplified stochastic model for the vascularization of a growing tumor, incorporating the formation of new blood vessels at the tumor periphery as well as their regression in the tumor center. The resulting morphology of the tumor vasculature differs drastically from the original one. We demonstrate that the probabilistic vessel collapse has to be correlated with the blood shear force in order to yield percolating network structures. The resulting tumor vasculature displays fractal properties. Fractal dimension, microvascular density (MVD), blood flow and shear force has been computed for a wide range of parameters.

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