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Lipopolysaccharide Core, mAb WN1 222-5, functional study antibody, low endotoxin - HM6011-FS - 0.5 mg - Hycult Biotech - antibodies

Lipopolysaccharide Core, mAb WN1 222-5, functional study antibody, low endotoxin
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Size: 0.5 mg
£1093.00
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Catalogue number:
HM6011-FS
Name:
Lipopolysaccharide Core, mAb WN1 222-5, functional study antibody, low endotoxin
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The mouse monoclonal antibody clone WN1 222-5 recognizes the core region of lipopolysaccharide (LPS), whereas it lacks reactivity with free lipid A and Rd2 or smaller LPS. LPS is a constituent of the outer membrane of the cell wall of certain types of Gram-negative bacteria, such as E. coli, Salmonella, Shigella, Pseudomonas, Neisseria, Haemophilus, and some other lesser known pathogens. The endotoxins of Gram-negative bacteria are LPS molecules with three distinct domains referred to as lipid A, core oligosaccharide and O-polysaccharide. The lipid A and core oligosaccharide comprise the endotoxin core and are relatively conserved among different Gram-negative bacterial species. The O-polysaccharides show wide structural diversity and give rise to the O-specificity of different strain and species serotypes. Lipid A is the toxic moiety of endotoxin, and is covalently linked to core oligosaccharide in all LPS. Rough (R) bacteria lack the O-polysaccharide of their smooth (S) strain bacteria counterparts, and different rough mutant bacteria have been isolated expressing a range of incomplete core oligosaccharide structures ranging from complete core (Ra) to deep-rough (Re) mutants expressing only lipid A linked to inner-core KDO residues. During life, humans as well as other vertebrates, are often exposed to LPS, for instance by enterobacteria. While growing, enterobacteria releases small amounts of endotoxins. Predominant part of the endotoxins stay on the cell wall until the bacterium disintegrates. Endotoxins are heat stable, so even boiling the infected material for 30 minutes will not denature it. Watery diarrhea is caused by released LPS that interacts with the digestive track intestine. Cells and tissue can be destroyed by the LPS resulting in inflammation. Furthermore, LPS is a causal factor of NEC (necrotizing enterocolitis), a disorder found mostly in newborn infants. If LPS gains entry to the bloodstream, it can bind the host cells, such as macrophages. LPS responses are complicated and involve complexes of LPS-binding protein (LBP), soluble and/or membrane bound CD14 and Toll like receptor 4 ( TLR4). LBP is a serum protein that catalyzes LPS recognition by CD14. Recognition of LPS triggers a cascade of adverse systemic responses and organ failure (septic shock).

Applications:

FS , IA , P , W

Product Type:
Antibodies
Alternative Names:
LPS core
Immunogen:
10E8 heat-killed bacteria
Storage Temp:
2 - 8 °C
Antibody Host:
Mouse
Antibody Isotype:
IgG2a
Antibody Type:
Monoclonal antibody
Clone Number:
WN1 222-5
UNSPSC Code:
12352203
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