How predictive quantitative modeling of tissue organization can inform liver disease pathogenesis.

Abstract : From the more than 100 liver diseases described, many of those with high incidence rates manifest themselves by histopathological changes, such as hepatitis, alcoholic liver disease, fatty liver disease, fibrosis, and, in its later stages, cirrhosis, hepatocellular carcinoma, primary biliary cirrhosis and other disorders. Studies of disease pathogeneses are largely based on integrating -omics data pooled from cells at different locations with spatial information from stained liver structures in animal models. Even though this has led to significant insights, the complexity of interactions as well as the involvement of processes at many different time and length scales constrains the possibility to condense disease processes in illustrations, schemes and tables. The combination of modern imaging modalities with image processing and analysis, and mathematical models opens up a promising new approach towards a quantitative understanding of pathologies and of disease processes. This strategy is discussed for two examples, ammonia metabolism after drug-induced acute liver damage, and the recovery of liver mass as well as architecture during the subsequent regeneration process. This interdisciplinary approach permits integration of biological mechanisms and models of processes contributing to disease progression at various scales into mathematical models. These can be used to perform in silico simulations to promote unravelling the relation between architecture and function as below illustrated for liver regeneration, and bridging from the in vitro situation and animal models to humans. In the near future novel mechanisms will usually not be directly elucidated by modelling. However, models will falsify hypotheses and guide towards the most informative experimental design.
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Journal of Hepatology, Elsevier, 2014, 61 (4), pp.951-956. 〈10.1016/j.jhep.2014.06.013〉
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Contributeur : Dirk Drasdo <>
Soumis le : mercredi 28 janvier 2015 - 15:38:39
Dernière modification le : mardi 17 avril 2018 - 11:27:16

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Dirk Drasdo, Stefan Hoehme, Jan G. Hengstler. How predictive quantitative modeling of tissue organization can inform liver disease pathogenesis.. Journal of Hepatology, Elsevier, 2014, 61 (4), pp.951-956. 〈10.1016/j.jhep.2014.06.013〉. 〈hal-01110644〉

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