L2137
Lipopolysaccharides from Salmonella enterica serotype minnesota
purified by gel-filtration chromatography
Sinônimo(s):
LPS
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About This Item
Produtos recomendados
fonte biológica
Salmonella enterica (Serotype minnesota)
Nível de qualidade
Formulário
lyophilized powder
purificado por
gel-filtration chromatography
Impurezas
<1% Protein
cor
white
solubilidade
water: 4.90-5.10 mg/mL, cloudy to hazy, colorless
Condições de expedição
ambient
temperatura de armazenamento
2-8°C
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Descrição geral
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).
This product is extracted from Salmonella Minnesota and purified by gel filtration. The source strain is ATCC 9700. Mechanisms of complement activation by LPS of both rough and smooth strains of Salmonella Minnesota were studied by immunoassay of the activation products.
Aplicação
- TRPV4 is not the molecular sensor for bacterial lipopolysaccharides-induced calcium signaling: This study explores the signaling pathways activated by lipopolysaccharides from Salmonella enterica serotype Minnesota, demonstrating that TRPV4 is not involved, advancing understanding of immune responses to bacterial endotoxins (Wang et al., 2023).
Ações bioquímicas/fisiológicas
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.
Nota de preparo
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.
Outras notas
To gain a comprehensive understanding of our extensive range of Lipopolysaccharides for your research, we encourage you to visit our Carbohydrates Category page.
produto relacionado
Nº do produto
Descrição
Preços
Código de classe de armazenamento
11 - Combustible Solids
Classe de risco de água (WGK)
WGK 3
Ponto de fulgor (°F)
Not applicable
Ponto de fulgor (°C)
Not applicable
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Melanie R Shakespear et al.
The Journal of biological chemistry, 288(35), 25362-25374 (2013-07-16)
Broad-spectrum inhibitors of histone deacetylases (HDACs) constrain Toll-like receptor (TLR)-inducible production of key proinflammatory mediators. Here we investigated HDAC-dependent inflammatory responses in mouse macrophages. Of the classical Hdacs, Hdac7 was expressed at elevated levels in inflammatory macrophages (thioglycollate-elicited peritoneal macrophages)
Pei Ching Low et al.
The Journal of cell biology, 190(6), 1053-1065 (2010-09-15)
Phosphoinositide 3-kinase (PI3K) p110 isoforms are membrane lipid kinases classically involved in signal transduction. Lipopolysaccharide (LPS)-activated macrophages constitutively and abundantly secrete proinflammatory cytokines including tumor necrosis factor-α (TNF). Loss of function of the p110δ isoform of PI3K using inhibitors, RNA-mediated
Victor Meseguer et al.
Nature communications, 5, 3125-3125 (2014-01-22)
Gram-negative bacterial infections are accompanied by inflammation and somatic or visceral pain. These symptoms are generally attributed to sensitization of nociceptors by inflammatory mediators released by immune cells. Nociceptor sensitization during inflammation occurs through activation of the Toll-like receptor 4
Kaustav Das Gupta et al.
Cell reports, 30(8), 2712-2728 (2020-02-27)
Histone deacetylases (HDACs) drive innate immune cell-mediated inflammation. Here we identify class IIa HDACs as key molecular links between Toll-like receptor (TLR)-inducible aerobic glycolysis and macrophage inflammatory responses. A proteomic screen identified the glycolytic enzyme pyruvate kinase M isoform 2
Anna Lünemann et al.
Journal of immunology (Baltimore, Md. : 1950), 181(9), 6170-6177 (2008-10-23)
Microglia are resident macrophage-like APCs of the CNS. To avoid escalation of inflammatory processes and bystander damage within the CNS, microglia-driven inflammatory responses need to be tightly regulated and both spatially and temporally restricted. Following traumatic, infectious, and autoimmune-mediated brain
Conteúdo relacionado
Lipopolysaccharide (LPS) is the major component of the outer membrane of Gram-negative bacteria. Lipopolysaccharide is localized in the outer layer of the membrane and is, in noncapsulated strains, exposed on the cell surface.
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