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Mathematical Modeling of Neural Stem Cell Migration within Brain using Multi-Fiber Tractography

Hansen, A.; Rockne, R. C.; Adhikarla, V.; Gutova, M.; Cho, H.

2025-02-17 systems biology
10.1101/2025.02.13.638130 bioRxiv
Show abstract

An agent-based model of therapeutic neural stem cell (NSC) migration is developed and used to predict the migration of NSCs in naive mouse brain. The model utilizes generalized q-sampling imaging which resolves white matter fibers that cross in the brain and is shown to better account for variations in NSC migration patterns as compared to diffusion tensor imaging. In calibrating the model to experimental data, we show that the model is able to reproduce the distribution of NSCs in the mouse brain. In addition, we show that the distribution of NSCs in the mouse brain is sensitive to the location of NSC injection. Persistent distribution of NSCs to the olfactory bulb, consistent with developmental pathways including the rostral migratory stream, suggests that future models of therapeutic NSCs in the naive brain may need to include other factors such as chemotaxis or blood flow to account for variations in NSC migration paths. The results highlight the usefulness of the model in predicting which injection locations may provide the best distribution of NSCs to a given target location.

Published in Mathematical Biosciences (predicted rank #27) · training set

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