Sumner, T; Hetherington, J; Seymour, RM; Li, L; Varela Rey, M; Yamaji, S; ... Warner, A; + view all Sumner, T; Hetherington, J; Seymour, RM; Li, L; Varela Rey, M; Yamaji, S; Saffrey, P; Margoninski, O; Bogle, ID; Finkelstein, A; Warner, A; - view fewer (2012) A composite computational model of liver glucose homeostasis. II. Exploring system behaviour. J R Soc Interface , 9 (69) 701 - 706. 10.1098/rsif.2011.0783.
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Using a composite model of the glucose homeostasis system, consisting of seven interconnected submodels, we enumerate the possible behaviours of the model in response to variation of liver insulin sensitivity and dietary glucose variability. The model can reproduce published experimental manipulations of the glucose homeostasis system and clearly illustrates several important properties of glucose homeostasis-boundedness in model parameters of the region of efficient homeostasis, existence of an insulin sensitivity that allows effective homeostatic control and the importance of transient and oscillatory behaviour in characterizing homeostatic failure. Bifurcation analysis shows that the appearance of a stable limit cycle can be identified.
|Title:||A composite computational model of liver glucose homeostasis. II. Exploring system behaviour.|
|Keywords:||Activity Cycles, Blood Glucose, Glucose, Homeostasis, Humans, Insulin, Insulin Resistance, Liver, Models, Biological, Systems Biology|
|UCL classification:||UCL > Professional Services > Information Services Division|
UCL > School of Life and Medical Sciences > Faculty of Life Sciences
UCL > School of BEAMS > Faculty of Engineering Science > Engineering Science Faculty Office
UCL > VP Research
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