Dataset Information

E-GEOD-37195

ABSTRACT: Gene expression profiling using exon arrays during interference with PPAR gamma signaling in thoracic aorta

OTHER RELATED OMICS DATASETS IN: PRJNA158553PRJNA158653PRJNA158655

PROVIDER: E-GEOD-37195 | ExpressionAtlas | 2015-09-28

REPOSITORIES: ExpressionAtlas

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			Action	DRS
	E-GEOD-37195-analysis-methods.tsv	Tabular
	E-GEOD-37195-atlasExperimentSummary.Rdata	Rdata
	E-GEOD-37195-configuration.xml	Xml
	E-GEOD-37195-percentile-ranks.tsv	Tabular
	E-GEOD-37195.condensed-sdrf.tsv	Tabular

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Project description:This a model from the article: Sequential polarization and imprinting of type 1 T helper lymphocytes by interferon-gamma and interleukin-12. Schulz EG, Mariani L, Radbruch A, Höfer T. Immunity.2009;30(5):666-8. 19409816, Abstract: Differentiation of naive T lymphocytes into type I T helper (Th1) cells requires interferon-gamma and interleukin-12. It is puzzling that interferon-gamma induces the Th1 transcription factor T-bet, whereas interleukin-12 mediates Th1 cell lineage differentiation. We use mathematical modeling to analyze the expression kinetics of T-bet, interferon-gamma, and the IL-12 receptor beta2 chain (IL-12Rbeta2) during Th1 cell differentiation, in the presence or absence of interleukin-12 or interferon-gamma signaling. We show that interferon-gamma induced initial T-bet expression, whereas IL-12Rbeta2 was repressed by T cell receptor (TCR) signaling. The termination of TCR signaling permitted upregulation of IL-12Rbeta2 by T-bet and interleukin-12 signaling that maintained T-bet expression. This late expression of T-bet, accompanied by the upregulation of the transcription factors Runx3 and Hlx, was required to imprint the Th cell for interferon-gamma re-expression. Thus initial polarization and subsequent imprinting of Th1 cells are mediated by interlinked, sequentially acting positive feedback loops of TCR-interferon-gamma-Stat1-T-bet and interleukin-12-Stat4-T-bet signaling. The original model was created by: Edda G. Schulz schulz@drfz.de Theoretical Biophysics, Institute of Biology, Humboldt Universität, Invalidenstrasse 42, 10115 Berlin, Germany. This model originates from BioModels Database: A Database of Annotated Published Models. It is copyright (c) 2005-2009 The BioModels Team.For more information see the terms of use.To cite BioModels Database, please use Le Novère N., Bornstein B., Broicher A., Courtot M., Donizelli M., Dharuri H., Li L., Sauro H., Schilstra M., Shapiro B., Snoep J.L., Hucka M. (2006) BioModels Database: A Free, Centralized Database of Curated, Published, Quantitative Kinetic Models of Biochemical and Cellular Systems Nucleic Acids Res., 34: D689-D691.

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E-GEOD-37195

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