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Sigma-Aldrich

Lipopolysaccharide, E. coli O111: B4

from E. coli, , lyophilized, iNOS stimulator, Calbiochem®

Synonym(s):

E. coli Lipopolysaccharide, E. coli O111:B4 LPS

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About This Item

UNSPSC Code:
12352201
NACRES:
NA.77

product name

Lipopolysaccharide, E. coli O111: B4, Lipopolysaccharide, E. coli O111: B4 stimulates the activity of inducible nitric oxide synthase. Induces apoptosis in mouse thymus and swine lymphocytes

Quality Level

100

form

lyophilized

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze

impurities

≤2.0% Protein
≤2.5% nucleic acid

shipped in

ambient

storage temp.

2-8°C

General description

Endotoxin lipopolysaccharides initiate a variety of biochemical cell activation pathways (PKC, cAMP-dependent protein kinase, arachidonate metabolism, protein myristoylation, and activation of G-proteins). These unique macromolecules have been extensively studied in order to elucidate and define relevant pathophysiological parameters of endotoxic shock, a profound life-threatening consequence of sepsis. More recently, these bacterial products have generated intense interest due to their pluropotential immunostimulatory activity as manifested by the activation of host cells (e.g. B lymphocytes, macrophages) to functional differentiation. Host cell activation by lipopolysaccharides produces a spectrum of hormone-active lymphokines and monokines, including interferons (α, β, and γ), interleukins (IL-1 and IL-6), tumor necrosis factor, platelet activating factor, and procoagulant tissue factor. Stimulates the activity of inducible nitric oxide synthase. Induces apoptosis in mouse thymus and swine lymphocytes.
Stimulates the activity of inducible nitric oxide synthase. Induces apoptosis in mouse thymus and swine lymphocytes.

Biochem/physiol Actions

Cell permeable: no
Primary Target
Inducible nitric oxide synthase
Product does not compete with ATP.
Reversible: no

Warning

Toxicity: Harmful (C)

Preparation Note

To achieve complete solubilization, heating solution to 37°C with intermittent vortexing or sonication may be necessary.

Reconstitution

Following reconstitution, store in the refrigerator (4°C). Stock solutions are stable for up to 6 months at 4°C.

Other Notes

Hattori, S., et al. 1995. Biochem. Mol. Biol. Int. 35, 177.
Mayeux, P.R., et al. 1995. Biochem. Pharmacol. 49, 115.
Norimatsu, M., et al. 1995. Infect. Immun.63, 1122.
Feinstein, D.L., et al. 1993. J. Neurochem. 60, 1945.
Zhang, Y.H., et al. 1993. Infect. Immun.61, 5044.
Jackson, S.K., et al. 1992. Biochim. Biophys. Acta1135, 165.
O′Sullivan, M.G., et al. 1992. J. Biol. Chem.267, 14547.
Watanabe, K., et al. 1992. J. Cell. Physiol.150, 433.
Morrison, D.C., and Ryan, J.L. 1987. Annu. Rev. Med.38, 417.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Skull and crossbones
GHS06

Signal Word

Danger

Hazard Statements

H300

Hazard Classifications

Acute Tox. 2 Oral

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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