Systematic name M2536
Brief description Proteins interacting with AIRE [GeneID=326], based on massspectroscopy analysis of co-immunoprecipitates in 293T cells (embryonic kidney).
Full description or abstract Aire induces the expression of a battery of peripheral-tissue self-antigens (PTAs) in thymic stromal cells, promoting the clonal deletion of differentiating T cells that recognize them. Just how Aire targets and induces PTA transcripts remains largely undefined. Screening via Aire-targeted coimmunoprecipitation followed by mass spectrometry, and validating by multiple RNAi-mediated knockdown approaches, we identified a large set of proteins that associate with Aire. They fall into four major functional classes: nuclear transport, chromatin binding/structure, transcription and pre-mRNA processing. One set of Aire interactions centered on DNA protein kinase and a group of proteins it partners with to resolve DNA double-stranded breaks or promote transcriptional elongation. Another set of interactions was focused on the pre-mRNA splicing and maturation machinery, potentially explaining the markedly more effective processing of PTA transcripts in the presence of Aire. These findings suggest a model to explain Aire's widespread targeting and induction of weakly transcribed chromatin regions.
Collection C2: Curated
      CGP: Chemical and Genetic Perturbations
Source publication Pubmed 20085707   Authors: Abramson J,Giraud M,Benoist C,Mathis D
Exact source Fig. 1B
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Source species Homo sapiens
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