Apoptotic cell death of vascular endothelial cells and renal tubular cells in the generalized Shwartzman reaction.

The participation of apoptotic cell in the generalized Shwartzman reaction was examined. The generalized Shwartzman reaction was induced in mice by two consecutive injections of lipopolysaccharide. Vascular endothelial cells in various organs of those mice were stained positively by the in situ specific labeling of fragmented DNA. Renal tubules were also stained focally. It was suggested that apoptotic cell death might participate in the development of vascular endothelial cell damage and acute tubular necrosis in the generalized Shwartzman reaction. Simultaneous administration of anti-gamma-interferon antibody in the preparative injection of lipopolysaccharide completely blocked apoptosis of vascular endothelial cells. Priming with recombinant gamma-interferon instead of lipopolysaccharide could produce apoptosis of vascular endothelial cells. It was suggested that gamma-interferon might play a critical role on sensitization of endothelial cells for apoptosis.
AuthorsN Koide, K Abe, K Narita, Y Kato, T Sugiyama, G Z Jiang, T Yokochi
JournalFEMS immunology and medical microbiology (FEMS Immunol Med Microbiol) Vol. 16 Issue 3-4 Pg. 205-11 (Dec 31 1996) ISSN: 0928-8244 [Print] NETHERLANDS
PMID9116637 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
Chemical References
  • Lipopolysaccharides
  • Interferon-gamma
  • Animals
  • Apoptosis
  • DNA Fragmentation
  • Endothelium, Vascular (pathology)
  • Interferon-gamma (metabolism)
  • Kidney Tubules (pathology)
  • Lipopolysaccharides (pharmacology)
  • Male
  • Mice
  • Mice, Inbred BALB C
  • Shwartzman Phenomenon (etiology)

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