L6529
Lipopolisaccaridi
γ-irradiated, BioXtra, suitable for cell culture
Sinonimo/i:
LPS
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About This Item
Prodotti consigliati
Origine biologica
Escherichia coli (O55:B5)
Livello qualitativo
Sterilità
γ-irradiated
Nome Commerciale
BioXtra
Stato
lyophilized powder
Purificato mediante
gel-filtration chromatography
tecniche
cell culture | mammalian: suitable
Impurezze
<3% Protein (Lowry)
Solubilità
H2O: 5 mg/mL, faintly hazy to hazy
Temperatura di conservazione
2-8°C
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Descrizione generale
Lipopolysaccharides (LPS) are complex glycolipids that contain several components. Enterobacteriaceae, such as E. coli, have highly conserved lipid A linked to the antigenic O-polysaccharide. Hydrophobic lipid A forms the outer most component that plays a role in the biological properties attributed to endotoxic LPS. A short core oligosaccharide (core OS) is found to be attached to lipid A. Enterobacteria contain an antigenic, repeat-structure O-polysaccharide (O-PS) attached to the distal core OS to form smooth LPS. O-PS in E. coli contains ∼170 distinct antigens that interact with the host immune system. Based on the core OS structures in E. coli, they have been designated K-12 and R1 to R4.
Applicazioni
I lipopolisaccaridi (LPS) sono componenti caratteristici della parete cellulare dei batteri gram negativi. Il LPS e la sua frazione lipide A stimolano le cellule del sistema immunitario innato attraverso il recettore Toll-like 4 (TLR4), un elemento della famiglia delle proteine recettoriali Toll-like, che riconosce i profili molecolari associati ai patogeni (PAMP) comuni.
LPS (lipopolysaccharide) from Escherichia coli 055:B5 has been used:
- to stimulate human PBMC to secrete cytokine.
- to stimulate wild type embryonic fibroblasts and mutants for the induction of phosphorylation of p56
- in the measurement of tumor necrosis factor-α levels and nuclear factor-κB p65 activities after stimulation
- in the stimulation of hamster lymphocytes in vitro
- to induce activated dendritic morphology in murine macrophage cell line in a study
Azioni biochim/fisiol
LPS (lipopolysaccharide) is a major constituent of the outer membrane of most gram negative bacteria. It is a highly immunogenic antigen with the ability to enhance immune responses to soluble antigens. The LPS confers antigenic and endotoxic characters to the bacteria. They are also important in resistance to infection by phages.
Ricostituzione
Lipopolysaccharides are supplied as lyophilized, γ-irradiated powders. To reconstitute, add 1 ml sterile balanced salt solution or tissue culture medium to the vial (1 mg) and gently swirl until the powder dissolves. Reconstituted product may be further diluted to desired working concentrations using sterile balanced salt solution or tissue culture medium.
Altre note
To gain a comprehensive understanding of our extensive range of Lipopolysaccharides for your research, we encourage you to visit our Carbohydrates Category page.
Prodotti correlati
N° Catalogo
Descrizione
Determinazione del prezzo
Avvertenze
Danger
Indicazioni di pericolo
Consigli di prudenza
Classi di pericolo
Acute Tox. 2 Oral
Codice della classe di stoccaggio
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
Classe di pericolosità dell'acqua (WGK)
WGK 3
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
Dispositivi di protezione individuale
Eyeshields, Gloves, type N95 (US)
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I clienti hanno visto anche
Cheng Yang Ng et al.
Scientific reports, 7(1), 13683-13683 (2017-10-24)
Cytosolic phospholipase A
PURIFICATION AND CHARACTERIZATION OF THE LIPID A COMPONENT OF THE LIPOPOLYSACCHARIDES FROM ESCHERICHIA COLI.
A J BURTON et al.
Biochemistry, 3, 411-418 (1964-03-01)
Christopher D Hammerbeck et al.
Journal of virology, 85(19), 9929-9944 (2011-07-22)
Andes virus (ANDV) is associated with a lethal vascular leak syndrome in humans termed hantavirus pulmonary syndrome (HPS). In hamsters, ANDV causes a respiratory distress syndrome closely resembling human HPS. The mechanism for the massive vascular leakage associated with HPS
Natalie M Otto et al.
Critical care (London, England), 12(4), R107-R107 (2008-08-20)
Hyperglycemia is associated with negative outcomes in various settings of critical illness; infectious complications, especially, seem to be increased. On the other hand, intensive insulin therapy (IIT) has been shown to improve outcome in clinical trials. Whether normoglycemia itself or
Mazhar Adli et al.
The Journal of biological chemistry, 281(37), 26976-26984 (2006-07-15)
Nuclear factor kappaB (NF-kappaB) has been studied extensively as an inducible transcriptional regulator of the immune and inflammatory response. NF-kappaB activation downstream of lipopolysaccharide or cytokine stimulation is controlled by the IkappaB kinase complex, which contains IKKalpha and IKKbeta. Significantly
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