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Merck
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Fontos dokumentumok

L3129

Sigma-Aldrich

Lipopolysaccharides from Escherichia coli O127:B8

purified by phenol extraction

Szinonimák:

LPS

Bejelentkezésa Szervezeti és Szerződéses árazás megtekintéséhez


About This Item

EC-szám:
MDL-szám:
UNSPSC kód:
12352201
NACRES:
NA.25

biológiai forrás

Escherichia coli (O127:B8)

Minőségi szint

Forma

lyophilized powder

tisztítva

phenol extraction

szennyeződések

<3% Protein (Lowry)

szín

white to faint yellow

oldhatóság

water: soluble

kiszállítva

ambient

tárolási hőmérséklet

2-8°C

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Általános leírás

This product is phenol extracted from E. coli serotype O127:B8. The source strain is ATCC 12740. This LPS serotype has been used in the study of septic shock and to induce NOS in murine macrophages and PAF synthesis in rat glomerular masangial cells.

Alkalmazás

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).

Biokémiai/fiziológiai hatások

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.

Elkészítési megjegyzés

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.

Egyéb megjegyzések

To gain a comprehensive understanding of our extensive range of Lipopolysaccharides for your research, we encourage you to visit our Carbohydrates Category page.

Piktogramok

Skull and crossbones

Figyelmeztetés

Danger

Figyelmeztető mondatok

Óvintézkedésre vonatkozó mondatok

Veszélyességi osztályok

Acute Tox. 2 Oral

Tárolási osztály kódja

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

WGK

WGK 3

Lobbanási pont (F)

Not applicable

Lobbanási pont (C)

Not applicable


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Analitikai tanúsítványok (COA)

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Dokumentumtár megtekintése

Marumi Ohno et al.
Shock (Augusta, Ga.), 50(2), 248-254 (2018-07-17)
Co-chaperone cytoplasmic constitutive active/androstane receptor retention protein (CCRP), a member of heat shock protein (HSP) 40, was first characterized to retain a nuclear-destined protein in the cytoplasm. Here we have used CCRP KO mice and demonstrated that CCRP suppresses lipopolysaccharide
Irene Söderhäll et al.
The Journal of biological chemistry, 284(10), 6301-6310 (2009-01-09)
Melanization is an important immune component of the innate immune system of invertebrates and is vital for defense as well as for wound healing. In most invertebrates melanin synthesis is achieved by the prophenoloxidase-activating system, a proteolytic cascade similar to
Geoffroy Laumet et al.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology, 43(13), 2597-2605 (2018-07-29)
In humans, depression is often associated with low-grade inflammation, activation of the tryptophan/kynurenine pathway, and mild lymphopenia. Preclinical research confirms that inflammation induces depression-like behavior through activation of the tryptophan/kynurenine pathway. However, the mechanisms governing recovery from depression are unknown.
Micaela Domingues et al.
Frontiers in neuroscience, 12, 486-486 (2018-08-04)
Inasmuch, as the major depressive disorder (MDD) has been characterized as a heterogeneous disease as the inflammatory processes, neurotrophic factors' dysfunction and oxidative/nitrosative stress are believed to play a vital role in its establishment. Organoselenium compounds stand out due to
Xavier Brenachot et al.
Nature communications, 8(1), 1820-1820 (2017-11-29)
Obesity-induced inflammation engenders insulin resistance and type 2 diabetes mellitus (T2DM) but the inflammatory effectors linking obesity to insulin resistance are incompletely understood. Here, we show that hepatic expression of Protein Tyrosine Phosphatase Receptor Gamma (PTPR-γ) is stimulated by inflammation

Cikkek

Explore the structure, function, and diverse applications of Lipopolysaccharides. Discover their role in bacteria, serological specificity, and research potential.

Tudóscsoportunk valamennyi kutatási területen rendelkezik tapasztalattal, beleértve az élettudományt, az anyagtudományt, a kémiai szintézist, a kromatográfiát, az analitikát és még sok más területet.

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