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Updated: Jun 14, 2026

Three-dimensional Cell Culture Model for Measuring the Effects of Interstitial Fluid Flow on Tumor Cell Invasion
Published on: July 25, 2012
Interstitial pressure and extracellular fluid motion in tumor cords
Alessandro Bertuzzi1, Antonio Fasano, Alberto Gandolfi
1Istituto di Analisi dei Sistemi ed Informatica "A. Ruberti", CNR, Viale Manzoni 30, 00185 Roma, Italy. bertuzzi@iasi.cnr.it.
Abstract:
This work illustrates the behavior of the interstitial pressure and of the interstitial fluid motion in tumor cords (cylindrical arrangements of tumor cells growing around blood vessels of the tumor) by means of numerical simulations on the basis of a mathematical model previously developed. The model describes the steady state of a tumor cord surrounded by necrosis and its time evolution following cell killing. The most relevant aspects of the dynamics of extracellular fluid are by computing the longitudinal average of the radial fluid velocity and of the pressure field. In the present paper, the necrotic region is treated as a mixture of degrading dead cells and fluid.
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