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Characterisation of the role of human Evolutionary Conserved Signalling Intermediate in Toll (ECSIT) in Mitogen Activated Protein Kinase (MAPK) signalling

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  • Additional Information
    • Publication Date:
      2012
    • Collection:
      Maynooth University ePrints and eTheses Archive (National University of Ireland)
    • Abstract:
      Evolutionarily conserved signalling intermediate in Toll pathways (ECSIT) was identified orginally as a TNF receptor associated factor 6 (TRAF6) interacting partner. The murine homolog mECSIT has been shown to be involved in NFκB, MAPK, BMP and mitochondrial signalling. To date there is no work published on the human homolog, hECSIT. In this thesis, I present data indicating that hECSIT is involved in NFκB, BMP and MAPK signalling. There is a striking difference in the role of hECSIT and mECSIT in the activation of inflammatory transcription factors NFκB, ELK-1 and AP-1; with mECSIT augmenting their activation and hECSIT having an inhibitory role. In addition I demonstrate that hECSIT specifically targets the p42/44 branch of MAPK signalling. Suppression of endogenous hECSIT results in increased basal and proinflammatory induced phosphorylation of p42/44 but not JNK or p38. Thus, hECSIT signalling represents a novel means of regulating p42/44 and its downstream targets.
    • File Description:
      text
    • Relation:
      https://mural.maynoothuniversity.ie/id/eprint/5670/1/Thesis_AGK.pdf; Kirwan, Annie (2012) Characterisation of the role of human Evolutionary Conserved Signalling Intermediate in Toll (ECSIT) in Mitogen Activated Protein Kinase (MAPK) signalling. Masters thesis, National University of Ireland Maynooth.
    • Online Access:
      https://mural.maynoothuniversity.ie/id/eprint/5670/
      https://mural.maynoothuniversity.ie/id/eprint/5670/1/Thesis_AGK.pdf
    • Rights:
      cc_by_nc_sa
    • Accession Number:
      edsbas.58DD2F36