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L5399

Sigma-Aldrich

Lipid A, diphosphoryl from Escherichia coli F583 (Rd mutant)

Synonym(s):

Diphosphoryl Lipid A from E.Coli.

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About This Item

MDL number:
MFCD00131510
UNSPSC Code:
12352211
PubChem Substance ID:
24896402
NACRES:
NA.25

biological source

Escherichia coli (F583 Rd mutant)

Quality Level

200

form

lyophilized powder

shipped in

ambient

storage temp.

2-8°C

SMILES string

CCCCCCCCCCCCCC(=O)OC(CCCCCCCCCCC)CC(=O)OC1C(NC(=O)CC(CCCCCCCCCCC)OC(=O)CCCCCCCCCCC)C(OCC2OC(OP(O)(O)=O)C(NC(=O)CC(O)CCCCCCCCCCC)C(OC(=O)CC(O)CCCCCCCCCCC)C2O)OC(CO)C1OP(O)(O)=O

InChI

1S/C94H178N2O25P2/c1-7-13-19-25-31-37-38-44-50-56-62-68-84(103)115-78(66-60-54-48-42-35-29-23-17-11-5)72-86(105)119-92-88(96-82(101)71-77(65-59-53-47-41-34-28-22-16-10-4)114-83(102)67-61-55-49-43-36-30-24-18-12-6)93(116-79(73-97)90(92)120-122(107,108)109)113-74-80-89(106)91(118-85(104)70-76(99)64-58-52-46-40-33-27-21-15-9-3)87(94(117-80)121-123(110,111)112)95-81(100)69-75(98)63-57-51-45-39-32-26-20-14-8-2/h75-80,87-94,97-99,106H,7-74H2,1-6H3,(H,95,100)(H,96,101)(H2,107,108,109)(H2,110,111,112)

InChI key

GZQKNULLWNGMCW-UHFFFAOYSA-N

General description

Lipid A is the fundamental structure of lipopolysaccharides (LPS), present in bacteria.

Application

Lipid A, diphosphoryl from Escherichia coli F583 (Rd mutant) has been used:
  • to study the effect of various lipid A molecules on lung pericyte proliferation in vitro
  • to test on THP-1 and J774A.1 cells for neopterin and nitrite formation respectively
  • as lipopolysaccharides (LPS) derivatives in binding experiments
  • to stimulate the spleen cells and as a mitogen stimulation for toll like receptor 4 (TLR4)

Biochem/physiol Actions

Lipid A is mainly essential for the robust immunostimulatory activities of lipopolysaccharides (LPS) in human. Lipid A is the hydrophobic domain of LPS helps in anchoring LPS to the plasma membrane of bacteria. It is immunologically active and an important constituent of LPS recognised by immune system.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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Characterization of the effects of endotoxin on macrophage tumor cell killing.
J B Weinberg et al.
Journal of immunology (Baltimore, Md. : 1950), 121(1), 72-80 (1978-07-01)
S Eperon et al.
Journal of immunological methods, 207(2), 135-145 (1997-11-22)
The aim of this study was to develop an in vitro test system for pyrogenic substances. Three clones derived from human monocytoid cell lines, which were selected by their high sensitivity to lipopolysaccharide (LPS), were assessed for tumor necrosis factor
J G Schiller et al.
Infection and immunity, 14(2), 586-589 (1976-08-01)
The lipid A precipitate obtained by partial hydrolysis in 1% acetic acid of the glycolipid of a mutant strain of Salmonella minnesota (rough strain R595) was separated into a number of components by thin-layer chromatography. When tested as bovine serum
Ronit Avitsur et al.
Journal of leukocyte biology, 74(4), 507-513 (2003-09-10)
Stimulation of splenocytes from socially stressed mice [social disruption (SDR)] with Gram-negative bacterial lipopolysaccharide (LPS) revealed a state of functional glucocorticoid (GC) resistance. LPS-stimulated splenocytes were less sensitive to the inhibitory effects of corticosterone. This study demonstrated that activation signals
E E Ribi et al.
Cancer research, 39(11), 4756-4759 (1979-11-01)
We described elsewhere that the synergistic antitumor activity of endotoxic extracts from Re mutants of gram-negative bacteria and trehalose mycolate against guinea pig syngeneic line 10 tumor was abrogated after peptide substances accompanying these extracts had been removed. This activity
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