期刊
JOURNAL OF LEUKOCYTE BIOLOGY
卷 100, 期 4, 页码 687-698出版社
FEDERATION AMER SOC EXP BIOL
DOI: 10.1189/jlb.3RU0316-151R
关键词
LPS; lipopolysaccharide; translocation; endotoxin; Limulus
资金
- National Institute for Allergy and Infectious Diseases, U.S. National Institutes of Health
Endotoxemia is in its scientific ascendancy. Never has blood-borne, Gram-negative bacterial endotoxin (LPS) been invoked in the pathogenesis of so many diseases-not only as a trigger for septic shock, once its most cited role, but also as a contributor to atherosclerosis, obesity, chronic fatigue, metabolic syndrome, and many other conditions. Finding elevated plasma endotoxin levels has been essential supporting evidence for each of these links, yet the assays used to detect and quantitate endotoxin have important limitations. This article describes several assays for endotoxin in plasma, reviews what they do and do not measure, and discusses why LPS heterogeneity, LPS trafficking pathways, and host LPS inactivation mechanisms should be considered when interpreting endotoxin assay results.
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