PAF-mediated pulmonary edema: a new role for acid sphingomyelinase and ceramide

Platelet-activating factor (PAF) induces pulmonary edema and has a key role in acute lung injury (ALI). Here we show that PAF induces pulmonary edema through two mechanisms: acid sphingomyelinase (ASM)-dependent production of ceramide, and activation of the cyclooxygenase pathway. Agents that interf...

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Veröffentlicht in:Nature medicine 2004-02, Vol.10 (2), p.155-160
Hauptverfasser: Göggel, Rolf, Winoto-Morbach, Supandi, Vielhaber, Gabriele, Imai, Yumiko, Lindner, Karsten, Brade, Lore, Brade, Helmut, Ehlers, Stefan, Slutsky, Arthur S, Schütze, Stefan, Gulbins, Erich, Uhlig, Stefan
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container_end_page 160
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container_title Nature medicine
container_volume 10
creator Göggel, Rolf
Winoto-Morbach, Supandi
Vielhaber, Gabriele
Imai, Yumiko
Lindner, Karsten
Brade, Lore
Brade, Helmut
Ehlers, Stefan
Slutsky, Arthur S
Schütze, Stefan
Gulbins, Erich
Uhlig, Stefan
description Platelet-activating factor (PAF) induces pulmonary edema and has a key role in acute lung injury (ALI). Here we show that PAF induces pulmonary edema through two mechanisms: acid sphingomyelinase (ASM)-dependent production of ceramide, and activation of the cyclooxygenase pathway. Agents that interfere with PAF-induced ceramide synthesis, such as steroids or the xanthogenate D609, attenuate pulmonary edema formation induced by PAF, endotoxin or acid instillation. Our results identify acid sphingomyelinase and ceramide as possible therapeutic targets in acute lung injury.
doi_str_mv 10.1038/nm977
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subjects Animals
Antibodies - metabolism
Antibodies - therapeutic use
Biomedical and Life Sciences
Biomedicine
Bridged-Ring Compounds - metabolism
Cancer Research
Ceramides - metabolism
Dexamethasone - metabolism
Edema
Endotoxins
Female
Glucocorticoids - metabolism
In Vitro Techniques
Infectious Diseases
Metabolic Diseases
Mice
Mice, Inbred BALB C
Molecular Medicine
Neurosciences
Phosphodiesterase Inhibitors - metabolism
Platelet Activating Factor - metabolism
Pulmonary Edema - drug therapy
Pulmonary Edema - metabolism
Rats
Rats, Wistar
Sphingomyelin Phosphodiesterase - antagonists & inhibitors
Sphingomyelin Phosphodiesterase - metabolism
Steroids
Thiones - metabolism
title PAF-mediated pulmonary edema: a new role for acid sphingomyelinase and ceramide
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