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L4516

Sigma-Aldrich

Lipopolysaccharides from Escherichia coli O127:B8

BioXtra, suitable for cell culture, γ-irradiated

Sinónimos:

LPS

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About This Item

EC Number:
297-473-0
MDL number:
MFCD00212998
UNSPSC Code:
12352211
NACRES:
NA.75

biological source

Escherichia coli (O127:B8)

Quality Level

200

sterility

γ-irradiated

product line

BioXtra

form

lyophilized powder

purified by

gel-filtration chromatography

technique(s)

cell culture | mammalian: suitable

impurities

<1% Protein (Lowry)

solubility

H2O: 5 mg/mL, slightly hazy

storage temp.

2-8°C

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Application

Lipopolysaccharides from Escherichia coli 0127:B8 has been used:
  • to study the LPS-induced macrophage survival in mice
  • to elicit the secretion of cytokines by cattle PBMC
  • to study apoptosis of highly susceptible macrophage cells in a LPS-induced proinflammatory environment
  • to perform autophagy assay in BV2 and BV2-LC3 cells
  • for stimulation of human monocytes, macrophages and mouse microglia cells
  • to induce pentraxin-3 expression in 293T cells
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).

Biochem/physiol Actions

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). Being an immunogenic antigen, it enhances immune responses to soluble antigens.

Reconstitution

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.

Other Notes

To gain a comprehensive understanding of our extensive range of Lipopolysaccharides for your research, we encourage you to visit our Carbohydrates Category page.

Related product

Referencia del producto
Descripción
Precios

pictograms

Skull and crossbones
GHS06

signalword

Danger

hcodes

H300

Hazard Classifications

Acute Tox. 2 Oral

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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A Charlotte M T de Wolf et al.
PloS one, 12(6), e0179942-e0179942 (2017-06-29)
Regulatory T cells (Treg) function in the prevention of excessive inflammation and maintenance of immunological homeostasis. However, these cells may also interfere with resolution of infections or with immune reactions following vaccination. Effects of Treg on vaccine responses are nowadays
Hye-Eun Han et al.
Biomolecules & therapeutics, 21(1), 21-28 (2013-09-07)
Microglia play a role in maintaining and resolving brain tissue homeostasis. In pathological conditions, microglia release pro-inflammatory cytokines and cytotoxic factors, which aggravate the progression of neurodegenerative diseases. Autophagy pathway might be involved in the production of pro-inflammatory cytokines and
Li Wei et al.
Journal of neuroinflammation, 14(1), 198-198 (2017-10-05)
Several G-protein-coupled receptors (GPCRs) have been shown to be important signaling mediators between neurons and glia. In our previous screening for identification of nerve injury-associated GPCRs, G-protein-coupled receptor 84 (GPR84) mRNA showed the highest up-regulation by microglia after nerve injury.
Srinivas Akula et al.
Cells, 9(9) (2020-09-23)
Bone marrow-derived mast cells (BMMCs) are often used as a model system for studies of the role of MCs in health and disease. These cells are relatively easy to obtain from total bone marrow cells by culturing under the influence
Hua Liu et al.
International journal of clinical and experimental pathology, 6(4), 660-668 (2013-04-11)
The aim of the present study was to explore the role of receptor tyrosine kinases (RTKs) in the regulation of expression of PTX-3, a protector in atherosclerosis. Human monocytic U937 cells were infected with a shRNA lentiviral vector library targeting
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Lipopolysaccharides for Research – Structure, Function & Applications

Explore the structure, function, and diverse applications of Lipopolysaccharides. Discover their role in bacteria, serological specificity, and research potential.

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