Human Gene Set: BIOCARTA_TOB1_PATHWAY

For the Mouse gene set with the same name, see BIOCARTA_TOB1_PATHWAY

Standard name BIOCARTA_TOB1_PATHWAY
Systematic name M18215
Brief description Role of Tob in T-cell activation
Full description or abstract Regulation of T cell activation is a crucial component of balanced functioning of the immune system. If the T cell response is too great and activation of self-responsive cells or unstimulated cells is not suppressed, then autoimmune disorders or tissue injury can result. Unstimulated T cells are maintained in a quiescent state and the activity of self-reactive T cells is maintained in an anergic state in which IL-2 expression is repressed. IL-2 is a cytokine with a key role in the activation and proliferation of T cells. The maintenance of T cells in the anergic or unstimulated state may not involve just an absence of activation, but an active repression of IL-2 expression, T cell proliferation and activation. TGF beta may play a role in suppressing T cell activation. Tob is a factor identified recently that represses T cell activation that is a member of a family of genes with anti-proliferative properties. Tob expression is highest in unstimulated and anergic T cells, and is reduced in activated T cells. Tob interacts with the TGF activated transcription factors SMAD2 and SMAD4, increasing their binding to the IL-2 promoter, and helping to repress IL-2 expression. This role of Tob suggests that interference in Tobs function may lead to autoimmune disease.
Collection C2: Curated
      CP: Canonical Pathways
            CP:BIOCARTA: BioCarta Pathways
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External links https://data.broadinstitute.org/gsea-msigdb/msigdb/biocarta/human/h_tob1Pathway.gif
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Source species Homo sapiens
Contributed by BioCarta
Source platform or
identifier namespace		 HUMAN_SEQ_ACCESSION
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Version history 7.0: Changed members. Upgraded to final version of Biocarta.


License Terms for BioCarta data in MSigDB

MSigDB gene sets derived from BioCarta pathways are protected by copyright, (c) 2000-2017 BioCarta, all rights reserved. They are provided under license to the Broad Institute, Inc. with qualified permission to include in this release, subject to Biocarta's "Disclaimer of Liability and of Warranties" (formerly found at www.biocarta.com). Inclusion of these gene sets is conditioned upon acknowledgment and retention of the aforementioned copyright, and agreement to such disclaimer. The BioCarta derived gene sets are in the MSigDB C2 and M2 collections, and can be recognized by the "BIOCARTA_" prefix in their name.

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