No-oscillation theorem for the transient dynamics of the linear signal transduction pathway and beyond
DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS-SERIES B(2020)
摘要
Understanding the connection between the topology of a biochemical reaction network and its dynamical behavior is an important topic in systems biology. We proved a no-oscillation theorem for the transient dynamics of the linear signal transduction pathway, that is, there are no dynamical oscillations for each species if the considered system is a simple linear transduction chain equipped with an initial stimulation. In the nonlinear case, we showed that the no-oscillation property still holds for the starting and ending species, but oscillations generally exist in the dynamics of intermediate species. We also discussed different generalizations on the system setup. The established theorem will provide insights on the understanding of network motifs and the choice of mathematical models when dealing with biological data.
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关键词
No-oscillation theorem,transient behavior,signal transduction pathway,linear and nonlinear
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