arXiv:math/0608547 Abstract

arXiv:math/0608547 [math.DS]Abstract References Reviews Resources

A dynamic p53-mdm2 model with delay kernel

Published 2006-08-22, updated 2006-08-23Version 2

Specific activator and repressor transcription factors which bind to specific regulator DNA sequences, play an important role in gene activity control. Interactions between genes coding such transcripion factors should explain the different stable or sometimes oscillatory gene activities characteristic for different tissues. In this paper, the dynamic P53-Mdm2 interaction model with distributed delays and weak kernel, is investigated. Choosing the delay or the kernel's coefficient as a bifurcation parameter, we study the direction and stability of the bifurcating periodic solutions. Some numerical examples are finally given for justifying the theoretical results.

Comments: 23 pages, 8 figures, the paper was presented at "Conference Francophone sur la Modelisation Mathematique en Biologie et en Medecine", Craiova, Roumanie,12-14 July, 2006

Categories: math.DS

Subjects: 34C23, 34C25, 37G05, 37G15, 92D10

Keywords: dynamic p53-mdm2 model, delay kernel, oscillatory gene activities characteristic, dynamic p53-mdm2 interaction model, specific regulator dna sequences

Tags: conference paper

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