Philip J. Murray
Modelling spatially regulated ?-catenin dynamics and invasion in intestinal crypts
Murray, Philip J.; Kang, Jun Won; Mirams, Gary R.; Shin, Sung Young; Byrne, Helen M.; Maini, Philip K.; Cho, Kwang Hyun
Authors
Jun Won Kang
Prof. GARY MIRAMS GARY.MIRAMS@NOTTINGHAM.AC.UK
Professor of Mathematical Biology
Sung Young Shin
Helen M. Byrne
Philip K. Maini
Kwang Hyun Cho
Abstract
Experimental data (e.g., genetic lineage and cell population studies) on intestinal crypts reveal that regulatory features of crypt behavior, such as control via morphogen gradients, are remarkably well conserved among numerous organisms (e.g., from mouse and rat to human) and throughout the different regions of the small and large intestines. In this article, we construct a partial differential equation model of a single colonic crypt that describes the spatial distribution of Wnt pathway proteins along the crypt axis. The novelty of our continuum model is that it is based upon assumptions that can be directly related to processes at the cellular and subcellular scales. We use the model to predict how the distributions of Wnt pathway proteins are affected by mutations. The model is then extended to investigate how mutant cell populations can invade neighboring crypts. The model simulations suggest that cell crowding caused by increased proliferation and decreased cell loss may be sufficient for a mutant cell population to colonize a neighboring healthy crypt. © 2010 by the Biophysical Society.
Journal Article Type | Article |
---|---|
Publication Date | Aug 4, 2010 |
Deposit Date | Jan 14, 2020 |
Journal | Biophysical Journal |
Print ISSN | 0006-3495 |
Electronic ISSN | 1542-0086 |
Publisher | Biophysical Society |
Peer Reviewed | Peer Reviewed |
Volume | 99 |
Issue | 3 |
Pages | 716-725 |
DOI | https://doi.org/10.1016/j.bpj.2010.05.016 |
Public URL | https://nottingham-repository.worktribe.com/output/3217749 |
Publisher URL | https://www.sciencedirect.com/science/article/pii/S0006349510006168 |
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