Suppressor of cytokine signalling (SOCS)-3 protects beta cells against IL-1beta-mediated toxicity through inhibition of multiple nuclear factor-kappaB-regulated proapoptotic pathways

Allan Ertman Karlsen, P E Heding, H Frobøse, S G Rønn, M Kruhøffer, T F Orntoft, M Darville, D L Eizirik, F Pociot, J Nerup, Thomas Mandrup-Poulsen, N Billestrup

45 Citations (Scopus)

Abstract

The proinflammatory cytokine IL-1beta induces apoptosis in pancreatic beta cells via pathways dependent on nuclear factor-kappaB (NF-kappaB), mitogen-activated protein kinase, and protein kinase C. We recently showed suppressor of cytokine signalling (SOCS)-3 to be a natural negative feedback regulator of IL-1beta- and IFN-gamma-mediated signalling in rat islets and beta cell lines, preventing their deleterious effects. However, the mechanisms underlying SOCS-3 inhibition of IL-1beta signalling and prevention against apoptosis remain unknown.
Original languageEnglish
JournalDiabetologia
Volume47
Issue number11
Pages (from-to)1998-2011
Number of pages14
ISSN0012-186X
DOIs
Publication statusPublished - 1 Nov 2004

Keywords

  • Animals
  • Apoptosis
  • Base Sequence
  • Cell Line
  • DNA Primers
  • Gene Expression Regulation
  • Interleukin-1
  • NF-kappa B
  • Nitric Oxide
  • Oligonucleotide Array Sequence Analysis
  • Rats
  • Repressor Proteins
  • Signal Transduction
  • Suppressor of Cytokine Signaling Proteins
  • Transcription Factors

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