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Effects of Anti-Angiogenesis on Glioblastoma Growth and Migration: Model to Clinical Predictions

Figure 1

Illustrative cartoons and description of the parameters.

(a) Interactive Cell Type Diagram with Parameters. Parameters driving different types of cell movements or transitions are shown in red.(b) Hypoxia (H), (c) Mitotic Coefficient (M), and (d) Necrotic Rate () as a function of and angiogenesis. (e) Description of Model Parameters. (f) Active Transport (AT) verses Passive Diffusion (PD). AT (red arrow) actively drives I cells in bulk towards normal healthy brain. AT does not occur once the cells reach a new region of healthy brain cells as the concentration of these cells is now uniform (i.e. the gradient of B is zero). PD (blue arrows) allows the I cells to diffuse down their concentration gradient equally in all directions other than the necrotic zone. The model assumes that the local oxygen concentration is inversely related to ; furthermore, causes the phenotypic switch while activates rapid necrosis.

Figure 1

doi: https://doi.org/10.1371/journal.pone.0115018.g001