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

Abstract:

: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.

journal_name

Nat Med

journal_title

Nature medicine

authors

Göggel R,Winoto-Morbach S,Vielhaber G,Imai Y,Lindner K,Brade L,Brade H,Ehlers S,Slutsky AS,Schütze S,Gulbins E,Uhlig S

doi

10.1038/nm977

keywords:

subject

Has Abstract

pub_date

2004-02-01 00:00:00

pages

155-60

issue

2

eissn

1078-8956

issn

1546-170X

pii

nm977

journal_volume

10

pub_type

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