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Modified minimal model for effect of physical exercise on insulin sensitivity and glucose effectiveness in type 2 diabetes and healthy human

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Abstract

The Bergman’s minimal model of glucose and insulin plasma levels is commonly used to analyse the results of glucose tolerance tests in humans. In this paper, we present the modified minimal model with plasma insulin compartment under the assumption that if the plasma glucose compartment drops below the basal glucose levels, the rate of insulin entering the plasma glucose compartment is zero. Insulin is cleared from the plasma insulin compartment at a rate proportional to the amount of insulin in the plasma insulin compartment. The modified minimal model was used to study the effect of physical exercise via parameters of a mathematical model to qualitative the magnitude of changes in insulin sensitivity (S I) and glucose effectiveness (S G) in response to exercise in type 2 diabetes and healthy human. The short-term effects of physical exercise in type 2 diabetes did not improve S G, but markedly improved the low S I values found in type 2 diabetes, indicating that the effects of exercise on S I are quantitatively important in the interpretation of training-related S I changes and may even be therapeutically useful in type 2 diabetes patients. Physical exercise is indicated either to prevent or delay the onset of type 2 diabetes or to assure a good control of type 2 diabetes by increasing insulin sensitivity.

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Acknowledgments

The author wishes to thank reviewers for their helpful comments and suggesting improvements to the original manuscript.

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Authors and Affiliations

  1. Laboratory for Theoretical and Computational Physics, Physics Department, Faculty of Mathematical and Natural Sciences, Bogor Agricultural University (IPB), Jalan Meranti, Building Wing S, 2nd Floor, Kampus IPB Darmaga, Bogor, 16680, Indonesia

    Agus Kartono

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  1. Agus Kartono
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Correspondence to Agus Kartono.

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Kartono, A. Modified minimal model for effect of physical exercise on insulin sensitivity and glucose effectiveness in type 2 diabetes and healthy human. Theory Biosci. 132, 195–206 (2013). https://doi.org/10.1007/s12064-013-0181-8

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