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Key Documents

L5886

Sigma-Aldrich

Lipopolysaccharides from Salmonella enterica serotype abortus equi

purified by phenol extraction

Synonim(y):

LPS

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About This Item

Numer MDL:
Kod UNSPSC:
12352201
NACRES:
NA.25

pochodzenie biologiczne

Salmonella enterica (Serotype abortus equi)

Poziom jakości

Postać

lyophilized powder

oczyszczone przez

phenol extraction

zanieczyszczenia

<3% Protein (Lowry)

kolor

white to faint gray

rozpuszczalność

water: soluble

Warunki transportu

ambient

temp. przechowywania

2-8°C

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Opis ogólny

This product is phenol extracted from Salmonella abortus equi. The source strain is ATCC 9842. Lipopolysaccharide from Salmonella abortus equi stimulates human mononuclear cells to produce tumor necrosis factor. This LPS is also mitogenic for frog and mouse lymphocytes.

Zastosowanie

Lipopolysaccharides (LPSs) are characteristic components of the cell wall of Gram-negative bacteria. LPS and its lipid A moiety stimulate cells of the innate immune system by the Toll-like receptor 4 (TLR4), a member of the Toll-like receptor protein family, which recognizes common pathogen-associated molecular-patterns (PAMPs).

Działania biochem./fizjol.

Lipopolysaccharides (LPS) are localized in the outer layer of the membrane and are, in noncapsulated strains, exposed on the cell surface. They contribute to the integrity of the outer membrane, and protect the cell against the action of bile salts and lipophilic antibiotics.

Uwaga dotycząca przygotowania

The product is soluble in water (5 mg/ml) or cell culture medium (1 mg/ml) yielding a hazy, faint yellow solution. A more concentrated, though still hazy, solution (20 mg/ml) has been achieved in aqueous saline after vortexing and warming to 70-80 oC. Lipopolysaccharides are molecules that form micelles in every solvent. Hazy solutions are observed in water and phosphate buffered saline. Organic solvents do not give clearer solutions. Methanol yields a turbid suspension with floaters, while water yields a homogeneously hazy solution.

Inne uwagi

To gain a comprehensive understanding of our extensive range of Lipopolysaccharides for your research, we encourage you to visit our Carbohydrates Category page.
This page may contain text that has been machine translated.

Piktogramy

Skull and crossbones

Hasło ostrzegawcze

Danger

Zwroty wskazujące rodzaj zagrożenia

Zwroty wskazujące środki ostrożności

Klasyfikacja zagrożeń

Acute Tox. 2 Oral

Kod klasy składowania

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

Klasa zagrożenia wodnego (WGK)

WGK 3

Temperatura zapłonu (°F)

Not applicable

Temperatura zapłonu (°C)

Not applicable


Certyfikaty analizy (CoA)

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Dokumenty związane z niedawno zakupionymi produktami zostały zamieszczone w Bibliotece dokumentów.

Odwiedź Bibliotekę dokumentów

Donal T Skelly et al.
PloS one, 8(7), e69123-e69123 (2013-07-11)
It is increasingly clear that systemic inflammation has both adaptive and deleterious effects on the brain. However, detailed comparisons of brain effects of systemic challenges with different pro-inflammatory cytokines are lacking. In the present study, we challenged female C57BL/6 mice
Chiara Cerri et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 36(13), 3777-3788 (2016-04-01)
Epilepsy is a chronic disorder characterized by spontaneous recurrent seizures. Brain inflammation is increasingly recognized as a critical factor for seizure precipitation, but the molecular mediators of such proconvulsant effects are only partly understood. The chemokine CCL2 is one of
Colm Cunningham et al.
Biological psychiatry, 65(4), 304-312 (2008-09-20)
Chronic neurodegeneration results in microglial activation, but the contribution of inflammation to the progress of neurodegeneration remains unclear. We have shown that microglia express low levels of proinflammatory cytokines during chronic neurodegeneration but are "primed" to produce a more proinflammatory
Jeroen Geurtsen et al.
Journal of immunology (Baltimore, Md. : 1950), 183(8), 5221-5231 (2009-09-29)
Mycobacterium tuberculosis possesses a variety of immunomodulatory factors that influence the host immune response. When the bacillus encounters its target cell, the outermost components of its cell envelope are the first to interact. Mycobacteria, including M. tuberculosis, are surrounded by
Tobias Moeller et al.
Cells, 8(4) (2019-04-18)
Fusion proteins incorporating the TLR5-ligand flagellin are currently undergoing clinical trials as vaccine candidates for many diseases. We recently reported a flagellin:allergen fusion protein containing the TLR5-ligand flagellin A (FlaA) from Listeriamonocytogenes and the major birch pollen allergen Bet v

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