Modular model of TNFα cytotoxicity
Author(s) -
Roberto Chignola,
Vladislav Vyshemirsky,
Marcello Farina,
Alessio Del Fabbro,
E. Milotti
Publication year - 2011
Publication title -
bioinformatics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.599
H-Index - 390
eISSN - 1367-4811
pISSN - 1367-4803
DOI - 10.1093/bioinformatics/btr297
Subject(s) - sbml , computer science , modular design , bayesian probability , inference , tumor necrosis factor alpha , computational biology , algorithm , biology , artificial intelligence , programming language , immunology , markup language , xml , operating system
Tumour Necrosis Factor alpha (TNF) initiates a complex series of biochemical events in the cell upon binding to its type R1 receptor (TNF-R1). Recent experimental work has unravelled the molecular regulation of the signalling complexes that lead either to cell survival or death. Survival signals are activated by direct binding of TNF to TNF-R1 at the cell membrane whereas apoptotic signals by endocytosed TNF/TNF-R1 complexes. Here we describe a reduced, effective model with few free parameters, where we group some intricate mechanisms into effective modules, that successfully describes this complex set of actions. We study the parameter space to show that the model is structurally stable and robust over a broad range of parameter values.
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