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  • Berglund, MartinDept Microbiol & Immunol, Inst Biomed, Sahlgrenska Acad, Univ Gothenburg, Gothenburg, Sweden (författare)

IL-1 receptor-associated kinase M downregulates DSS-induced colitis

  • Artikel/kapitelEngelska2010

Förlag, utgivningsår, omfång ...

  • Oxford University Press (OUP),2010
  • printrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:oru-12869
  • https://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-12869URI
  • https://doi.org/10.1002/ibd.21287DOI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

Ingår i deldatabas

Klassifikation

  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:art swepub-publicationtype

Anmärkningar

  • Background: Ulcerative colitis is associated with increased colon permeability resulting in bacterial translocation into the lamina propria. We investigate the importance of the Toll-like receptor (TLR) regulating protein IL-1 receptor-associated kinase M (IRAK-M) using the erosive dextran sulfate sodium (DSS)-induced model of colitis. Methods: IRAK-M-competent and -incompetent mice were treated with 3% DSS for 5 days followed by 2 days of regular drinking water. Clinical signs of disease were followed for 7 days. At day 7 the mice were sacrificed and plasma and tissue were collected for histopathological examination and analyses of the production of cytokines and chemokines as well as expression of T-cell transcription factors. Results: At day 7 IRAK-M-deficient mice display a reduced total body weight (77.1 +/- 2.1 versus 88.5 +/- 2.0, *P=0.002) and an increased macroscopical (2.7 +/- 0.2 versus 1.6 +/- 0.1, *P 0.002) and histopathological (6.0 +/- 0 versus 3.3 +/- 60.5, *P < 0.001) colon score compared to wildtype mice. Furthermore, IRAK-M-deficient mice have increased colon mRNA expression of proinflammatory cytokines and increased tumor necrosis factor concentrations (41.1 +/- 13.5 versus 12.8 +/- 2.0 pg/mL, *P = 0.010) in plasma. Conclusions: This is the first report examining the role of IRAK-M in colitis. We find that IRAK-M is of critical importance in downregulating induction and progression of DSS colitis, and thereby suggesting that IRAK-M might be a target for future interventional therapies. (Inflamm Bowel Dis 2010; 16: 1778-1786)

Ämnesord och genrebeteckningar

  • IRAK-M
  • TLR signaling
  • colitis
  • proinflammatory cytokines
  • MEDICINE
  • MEDICIN
  • Medicine
  • Medicin

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Melgar, SilviaAlimentary Pharmabiot Ctr, Univ Coll Cork, Cork, Ireland; Immunoinflammat CEDD GlaxoSmithKline, Stevenage Herts, England (författare)
  • Kobayashi, Koichi S.Harvard Univ, Boston MA, USA (författare)
  • Flavell, Richard A.Yale Univ, New Haven CT, USA (författare)
  • Hultgren Hörnquist, Elisabeth,1965-Örebro universitet,Hälsoakademin(Swepub:oru)eht (författare)
  • Hultgren, Olof H.Department of Medicine, School of Health and Medical Sciences, Örebro University, Örebro, Sweden; Örebro University Hospital, Örebro, Sweden(Swepub:oru)ovhn (författare)
  • Dept Microbiol & Immunol, Inst Biomed, Sahlgrenska Acad, Univ Gothenburg, Gothenburg, SwedenAlimentary Pharmabiot Ctr, Univ Coll Cork, Cork, Ireland; Immunoinflammat CEDD GlaxoSmithKline, Stevenage Herts, England (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Inflammatory Bowel Diseases: Oxford University Press (OUP)16:10, s. 1778-17861078-09981536-4844

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