Endotoxin signal transduction in macrophages

M J Sweet, D A Hume

Research output: Contribution to journalArticlepeer-review


Through its action on macrophages, bacterial lipopolysaccharide (LPS) or endotoxin can trigger responses that are protective or injurious to the host. This review examines the effects of LPS on macrophages by following events from the cell surface to the nucleus. The involvement of protein tyrosine kinases, mitogen-activated protein kinases, protein kinase C, G proteins, protein kinase A, ceramide-activated protein kinase, and microtubules in this process are reviewed. At the nuclear level, rel, C/EBP, Ets, Egr, fos, and jun family members have been implicated in activation of LPS-inducible gene expression.
Original languageEnglish
Pages (from-to)8-26
Number of pages19
JournalJournal of Leukocyte Biology
Issue number1
Publication statusPublished - Jul 1996


  • Animals
  • Antigens, CD14
  • Base Sequence
  • Binding Sites
  • CCAAT-Enhancer-Binding Proteins
  • Calcium-Calmodulin-Dependent Protein Kinases
  • Cell Membrane
  • Cell Nucleus
  • Consensus Sequence
  • DNA-Binding Proteins
  • Early Growth Response Protein 1
  • Endotoxins
  • GTP-Binding Proteins
  • Humans
  • Immediate-Early Proteins
  • Lipopolysaccharides
  • Macrophages
  • Molecular Sequence Data
  • Nuclear Proteins
  • Promoter Regions, Genetic
  • Protein Kinases
  • Protein-Tyrosine Kinases
  • Proto-Oncogene Proteins
  • Proto-Oncogene Proteins c-ets
  • Proto-Oncogene Proteins c-fos
  • Proto-Oncogene Proteins c-jun
  • Signal Transduction
  • Transcription Factors
  • Transcription, Genetic


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