lipopolysaccharide


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lipopolysaccharide

 [lip″o-pol″e-sak´ah-rīd]
1. a molecule in which lipids and polysaccharides are linked.
2. a major component of the cell wall of gram-negative bacteria; lipopolysaccharides are endotoxins and important antigens.

lip·o·pol·y·sac·cha·ride (LPS),

(lip'ō-pol'ē-sak'ă-rīd),
1. A compound or complex of lipid and carbohydrate.
2. The lipopolysaccharide (endotoxin) released from the cell walls of gram-negative organisms that produces septic shock.

lipopolysaccharide

/lipo·poly·sac·cha·ride/ (-pol″e-sak´ah-rīd)
1. a molecule in which lipids and polysaccharides are linked.
2. a major component of the cell wall of gram-negative bacteria; lipopolysaccharides are endotoxins and important antigens.

lipopolysaccharide

(lĭp′ō-pŏl′ē-săk′ə-rīd′, lī′pō-)
n.
Any of a group of polysaccharides in which a lipid constitutes a portion of the molecule, found in the outer cell wall of gram-negative bacteria.

lip·o·pol·y·sac·cha·ride

(lip'ō-pol'ē-sak'ă-rīd)
A compound or complex of lipid and carbohydrate; the lipopolysaccharide (endotoxin) that is released from the cell walls of gram-negative organisms that produces septic shock.

lipopolysaccharide

a molecule in which lipids and polysaccharides are linked. See also endotoxin.
References in periodicals archive ?
Immunogenicity of purified lipopolysaccharide or protein-oligosaccharide conjugates of Pasteurella multocida type 6:B in mice.
Lipopolysaccharide associates with pro-atherogenic lipoproteins in periodontitis patients.
Gut microbiota, lipopolysaccharides, and innate immunity in the pathogenesis of obesity and cardiovascular risk.
Effects of lipopolysaccharide challenge on endocrine hormone and immune function in broilers.
characterization of a virulence-associated epitope on the lipopolysaccharide of Legionella pneumophila serogroup 1", Epidemiol Infect 1995; 115:71-78.
Bacterial lipopolysaccharide-mediated fetal death: production of a newly recognized form of inducible cyclooxygenase (COX-2) in murine decidua in response to lipopolysaccharide.
Fractions of lipopolysaccharide from Escherichia soli 0111:B4 prepared by two extraction procedures.
Outer-membrane protein and lipopolysaccharide serotyping of Neisseria meningitidis by inhibition of a solid-phase radioimmunoassay.
Production of tumor necrosis factor and other cytokines by astrocytes stimulated with lipopolysaccharide or a neurotropic virus.
Lipopolysaccharide, the main constituent of the outer membrane of Gram-negative bacteria, is an amphiphile, consisting of lipid A, a core oligosaccharide, and an O-specific chain.
Healthy volunteers treated with the WellGen extract had inflammatory biomarker levels ranging between two- to six-fold less than the placebo group when challenged with an inflammation-inducing bacterial lipopolysaccharide.