A nonequilibrium phase transition in immune response

doi:10.1088/1009-1963/13/7/037

Abstract

Abstract The dynamics of immune response correlated to signal transduction in immune thymic cells (T cells) is studied. In particular, the problem of the phosphorylation of the immune-receptor tyrosine-based activation motifs (ITAM) is explored. A nonlinear model is established on the basis of experimental observations. The behaviours of the model can be well analysed using the concepts of nonequilibrium phase transitions. In addition, the Riemann－Hugoniot cusp catastrophe is demonstrated by the model. Due to the application of the theory of nonequilibrium phase transitions, the biological phenomena can be clarified more precisely. The results can also be used to further explain the signal transduction and signal discrimination of an important type of immune T cell.

Keywords: nonequilibrium phase transitions ITAM cusp catastrophe

Received: 11 December 2003
Revised: 04 March 2004
Accepted manuscript online:

PACS:	64.60.-i	(General studies of phase transitions)
	87.17.Aa	(Modeling, computer simulation of cell processes)

Fund: Project supported by the National Natural Science Foundation of China (Grant No 30070216).

Cite this article:

Zhang Wei (张伟), Qi An-Shen (漆安慎) A nonequilibrium phase transition in immune response 2004 Chinese Physics 13 1171

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A nonequilibrium phase transition in immune response

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