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Issue 5, 2009
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A general map of iron metabolism and tissue-specific subnetworks

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Iron is required for survival of mammalian cells. Recently, understanding of iron metabolism and trafficking has increased dramatically, revealing a complex, interacting network largely unknown just a few years ago. This provides an excellent model for systems biology development and analysis. The first step in such an analysis is the construction of a structural network of iron metabolism, which we present here. This network was created using CellDesigner version 3.5.2 and includes reactions occurring in mammalian cells of numerous tissue types. The iron metabolic network contains 151 chemical species and 107 reactions and transport steps. Starting from this general model, we construct iron networks for specific tissues and cells that are fundamental to maintaining body iron homeostasis. We include subnetworks for cells of the intestine and liver, tissues important in iron uptake and storage, respectively, as well as the reticulocyte and macrophage, key cells in iron utilization and recycling. The addition of kinetic information to our structural network will permit the simulation of iron metabolism in different tissues as well as in health and disease.

Graphical abstract: A general map of iron metabolism and tissue-specific subnetworks

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Publication details

The article was received on 23 Sep 2008, accepted on 26 Jan 2009 and first published on 06 Mar 2009

Article type: Review Article
DOI: 10.1039/B816714C
Mol. BioSyst., 2009,5, 422-443

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    A general map of iron metabolism and tissue-specific subnetworks

    V. Hower, P. Mendes, F. M. Torti, R. Laubenbacher, S. Akman, V. Shulaev and S. V. Torti, Mol. BioSyst., 2009, 5, 422
    DOI: 10.1039/B816714C

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