ArticleBulletin of mathematical biology1994
Chemotaxis and chemokinesis in eukaryotic cells: the Keller-Segel equations as an approximation to a detailed model.
Article in Bulletin of mathematical biology, 1994. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed, 71 citations in OpenAlex.
- Selecting the optimal cell migration assay: fundamentals and practical guidelines.Nature methods · 2026Review
- Mathematical modeling and its analysis for instability of the immune system induced by chemotaxis.Journal of mathematical biology · 2017Article
- Local modulation of chemoattractant concentrations by single cells: dissection using a bulk-surface computational model.Interface focus · 2016Article
- Article
- Mathematical modelling of the influence of heat shock proteins on cancer invasion of tissue.Journal of mathematical biology · 2009Article
- A user's guide to PDE models for chemotaxis.Journal of mathematical biology · 2009Review
- Chemotaxis-induced spatio-temporal heterogeneity in multi-species host-parasitoid systems.Journal of mathematical biology · 2007Article
- Macrophage response to Mycobacterium tuberculosis infection.Journal of mathematical biology · 2004Article
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1 author at 1 institution in 1 country.
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Abstract
More than 20 years after its proposal, Keller and Segel's model (1971, J. theor. Biol., 30, 235-248) remains by far the most popular model for chemical control of cell movement. However, before the Keller-Segel equations can be applied to a particular system, appropriate functional forms must be specified for the dependence on chemical concentration of the cell transport coefficients and the chemical degradation rate. In the vast majority of applications, these functional forms have been chosen using simple intuitive criteria. We focus on the particular case of eukaryotic cell movement, and derive an approximation to the detailed model of Sherratt et al. (1993, J. theor. Biol., 162, 23-40). The approximation consists of the Keller-Segel equations, with specific forms predicted for the cell transport coefficients and chemical degradation rate. Moreover, the parameter values in these functional forms can be directly measured experimentally. In the case of the much studied neutrophil-peptide system, we test our approximation using both the Boyden chamber and under-agarose assays. Finally, we show that for other cell-chemical interactions, a simple comparison of time scales provides a rapid check on the validity of our Keller-Segel approximation.
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