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O-antigens

" in MedChemExpress (MCE) Product Catalog:

21

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19

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Cat. No. Product Name Target Research Areas Chemical Structure
  • HY-D1056
    Lipopolysaccharides, from E. coli O55:B5
    Maximum Cited Publications
    506 Publications Verification

    LPS, from Escherichia coli (O55:B5)

    Toll-like Receptor (TLR) Infection Neurological Disease Inflammation/Immunology Cancer
    Lipopolysaccharides, from E. coli O55:B5 (LPS, from Escherichia coli (O55:B5)) are endotoxins and TLR4 activators extracted from Escherichia coli (E. coli O55:B5) and are classified as S (smooth) type LPS. Lipopolysaccharides, from E. coli O55:B5 possess the typical three-part structure: O-antigen, core oligosaccharide, and lipid A. Lipopolysaccharides, from E. coli O55:B5 activate TLR-4 in immune cells, exhibit high pyrogenicity, and demonstrate dose and serotype specificity. Lipopolysaccharides, from E. coli O55:B5 can be widely used to induce cellular inflammation and establish animal models related to inflammation .
    It is recommended to prepare a solution with concentration ≥2 mg/mL. Vortex thoroughly for more than 10 minutes. Due to the adsorption characteristics of LPS, silanized container or low adsorption centrifuge tubes should be used for aliquoting and storage, and mix thoroughly before use.
    Lipopolysaccharides, from E. coli O55:B5
  • HY-D1056A1

    LPS, from Escherichia coli (O111:B4)

    Toll-like Receptor (TLR) Infection Cancer
    Lipopolysaccharides, from E. coli O111:B4 (LPS, from Escherichia coli (O111:B4)) are endotoxins and TLR4 activators extracted from Escherichia coli (E. coli O111:B4) and are classified as S (smooth) type LPS. Lipopolysaccharides (LPS), from E. coli O111:B4 possess the typical three-part structure: O-antigen, R3-type core oligosaccharide, and lipid A. Lipopolysaccharides (LPS), from E. coli O111:B4 activate TLR-4 in immune cells and can cause significant gastric diseases. Lipopolysaccharides (LPS), from E. coli O111:B4 can be used to induce cellular inflammation and establish animal models related to inflammation .
    It is recommended to prepare a solution with concentration ≥2 mg/mL. Vortex thoroughly for more than 10 minutes. Due to the adsorption characteristics of LPS, silanized container or low adsorption centrifuge tubes should be used for aliquoting and storage, and mix thoroughly before use.
    Lipopolysaccharides, from E. coli O111:B4
  • HY-D1056A3

    LPS, from Escherichia coli (O26:B6)

    Toll-like Receptor (TLR) Inflammation/Immunology
    Lipopolysaccharides, from E. coli (Escherichia coli) O26:B6 are lipopolysaccharide endotoxins and TLR-4 activators derived from E. coli, classified as S-type LPS, which can activate pathogen-associated molecular patterns (PAMP) of the immune system and induce cellular secretion of migrasomes. Lipopolysaccharides, from E. coli O26:B6 exhibit a typical three-part structure: O-antigen, core oligosaccharide, and lipid A, and can be recognized by the core-specific monoclonal antibody MAb J8-4C10. Lipopolysaccharides, from E. coli O26:B6 can promote an increase in pro-inflammatory cytokines in plasma, thereby triggering hypothalamic-pituitary-adrenal (HPA) activation and leading to adrenal oxidative damage. The pathogenic effects of Lipopolysaccharides, from E. coli O26:B6 can be used to construct various models, such as cellular inflammation models, sepsis, acute lung injury models, adrenal dysfunction models, and bladder infection models, etc .
    It is recommended to prepare a solution with concentration ≥2 mg/mL. Vortex thoroughly for more than 10 minutes. Due to the adsorption characteristics of LPS, silanized container or low adsorption centrifuge tubes should be used for aliquoting and storage, and mix thoroughly before use.
    Lipopolysaccharides, from E. coli O26:B6
  • HY-D1056D
    Lipopolysaccharides, from P. gingivalis
    3 Publications Verification

    LPS, from Porphyromonas gingivalis

    Toll-like Receptor (TLR) Inflammation/Immunology
    Lipopolysaccharides, from P. gingivalis (LPS, from Porphyromonas gingivalis) are endotoxins and TLR4 activators extracted from Porphyromonas gingivalis (P. gingivalis) and are classified as S (smooth) type LPS. Lipopolysaccharides, from P. gingivalis possess the typical three-part structure: O-antigen, core oligosaccharide, and lipid A. Lipopolysaccharides, from P. gingivalis activate TLR-4 in immune cells and are important virulence factors in the mechanism of periodontal disease. Lipopolysaccharides, from P. gingivalis can be used in research related to periodontitis .
    It is recommended to prepare a solution with concentration ≥2 mg/mL. Vortex thoroughly for more than 10 minutes. Due to the adsorption characteristics of LPS, silanized container or low adsorption centrifuge tubes should be used for aliquoting and storage, and mix thoroughly before use.
    Lipopolysaccharides, from P. gingivalis
  • HY-D1056B3

    LPS, from bacterial (Klebsiella pneumoniae)

    Toll-like Receptor (TLR) Inflammation/Immunology
    Lipopolysaccharides, from Klebsiella pneumoniae (LPS, from bacterial (Klebsiella pneumoniae)) are lipopolysaccharide endotoxins and TLR4 activators derived from Klebsiella pneumoniae, and are classified as S-type LPS. Lipopolysaccharides, from Klebsiella pneumoniae exhibit a typical three-part structure: O-antigen, core oligosaccharide, and lipid A. Lipopolysaccharides, from Klebsiella pneumoniae may participate in bacterial immune evasion by inhibiting complement-mediated killing and suppressing the host's secretion of antimicrobial peptides, thereby allowing the bacteria to escape immune defenses. Lipopolysaccharides, from Klebsiella pneumoniae possess high viscosity and resistance to serum-mediated killing, which may lead to sepsis. Lipopolysaccharides, from Klebsiella pneumoniae can be used to construct Acute Lung Injury Model .
    It is recommended to prepare a solution with concentration ≥2 mg/mL. Vortex thoroughly for more than 10 minutes. Due to the adsorption characteristics of LPS, silanized container or low adsorption centrifuge tubes should be used for aliquoting and storage, and mix thoroughly before use.
    Lipopolysaccharides, from Klebsiella pneumoniae
  • HY-D1056A2

    LPS, from Escherichia coli (O127:B8)

    Toll-like Receptor (TLR) Inflammation/Immunology
    Lipopolysaccharides, from E. coli O127:B8 (LPS, from Escherichia coli (O127:B8)) are endotoxins and TLR4 activators extracted from Escherichia coli (E. coli O127:B8) and are classified as S (smooth) type LPS. Lipopolysaccharides, from E. coli O127:B8 possess the typical three-part structure: O-antigen, R3-type core oligosaccharide, and lipid A. Lipopolysaccharides, from E. coli O127:B8 activate TLR-4 in immune cells, can induce inflammatory responses and ileal contractility, and can be used to construct intestinal inflammation models .
    It is recommended to prepare a solution with concentration ≥2 mg/mL. Vortex thoroughly for more than 10 minutes. Due to the adsorption characteristics of LPS, silanized container or low adsorption centrifuge tubes should be used for aliquoting and storage, and mix thoroughly before use.
    Lipopolysaccharides, from E. coli O127:B8
  • HY-D1056H
    Lipopolysaccharides, from S. marcescens
    1 Publications Verification

    LPS, from Serratia marcescens

    Toll-like Receptor (TLR) Inflammation/Immunology
    Lipopolysaccharides, from S. marcescens (Serratia marcescens) are lipopolysaccharide endotoxins and TLR-4 activators derived from Serratia marcescens, classified as S-type LPS, which can activate pathogen-associated molecular patterns (PAMP) of the immune system and induce cellular secretion of migrasomes. Lipopolysaccharides, from S. marcescens exhibit a typical three-part structure: O-antigen (O-antigen), core oligosaccharide (core oligosaccharide), and lipid A (Lipid A). Lipopolysaccharides, from S. marcescens induce NF-κB activation in mouse cells via Toll-like receptor (TLR4)/MD-2. The lipopolysaccharides of S. marcescens can induce apoptosis in host immune cells, thereby suppressing the host's innate immunity .
    It is recommended to prepare a solution with concentration ≥2 mg/mL. Vortex thoroughly for more than 10 minutes. Due to the adsorption characteristics of LPS, silanized container or low adsorption centrifuge tubes should be used for aliquoting and storage, and mix thoroughly before use.
    Lipopolysaccharides, from S. marcescens
  • HY-D1056A4

    LPS, from Escherichia coli (O128:B12)

    Toll-like Receptor (TLR) Inflammation/Immunology
    Lipopolysaccharides, from E. coli O128:B12 (LPS, from Escherichia coli (O128:B12)) are endotoxins and TLR4 activators extracted from Escherichia coli (E. coli O128:B12) and are classified as S (smooth) type LPS. Lipopolysaccharides, from E. coli O128:B12 possess the typical three-part structure: O-antigen, R3-type core oligosaccharide, and lipid A. Lipopolysaccharides, from E. coli O128:B12 activate TLR-4 in immune cells, can be used to construct animal models of neonatal brain inflammation, and may influence preterm birth in neonates .
    It is recommended to prepare a solution with concentration ≥2 mg/mL. Vortex thoroughly for more than 10 minutes. Due to the adsorption characteristics of LPS, silanized container or low adsorption centrifuge tubes should be used for aliquoting and storage, and mix thoroughly before use.
    Lipopolysaccharides, from E. coli O128:B12
  • HY-D1056E

    LPS, from Pseudomonas aeruginosa (10)

    Toll-like Receptor (TLR) Inflammation/Immunology
    Lipopolysaccharides from P. aeruginosa (Pseudomonas aeruginosa) 10 are lipopolysaccharide endotoxins and TLR4 activators derived from Pseudomonas aeruginosa 10, and are classified as S-type LPS. Lipopolysaccharides from P. aeruginosa 10 exhibit a typical three-part structure: O-antigen, core oligosaccharide, and lipid A. The lipopolysaccharides of P. aeruginosa 10 have a fatty acid composition distinct from common enterobacteria, an exceptionally high degree of phosphorylation (triphosphate residues have been detected), and a unique outer region of the core oligosaccharide. Additionally, their O-specific side chains are typically rich in novel aminosugars. Lipopolysaccharides from P. aeruginosa 10 demonstrate susceptibility to viruses, with the level of susceptibility determined by the content of high molecular weight polysaccharides in their composition. The absence of high molecular weight polysaccharides increases their sensitivity to bacteriophages .
    It is recommended to prepare a solution with concentration ≥2 mg/mL. Vortex thoroughly for more than 10 minutes. Due to the adsorption characteristics of LPS, silanized container or low adsorption centrifuge tubes should be used for aliquoting and storage, and mix thoroughly before use.
    Lipopolysaccharides, from P. aeruginosa 10
  • HY-NP070

    LTL

    Inflammation/Immunology
    Lotus tetragonolobus lectin (LTL) is a plant lectin that specifically recognizes and binds to α-L-fucopyranosyl residues, a sugar structure serving as the key terminal glycosyl group of human blood type O antigen (H antigen). Lotus tetragonolobus lectin exerts macrophage migration inhibitory activity in monomeric form. Lotus tetragonolobus lectin labels and identifies renal proximal tubular epithelial cells to evaluate histopathological changes of sepsis-induced acute kidney injury. Lotus tetragonolobus lectin is applicable to studies in glycobiology, immunology and renal pathology .
    Lotus tetragonolobus lectin
  • HY-D1056F

    Biotin-LPS, from Escherichia coli (O111:B4)

    Biochemical Assay Reagents Inflammation/Immunology
    Biotin-Lipopolysaccharide, from E.coli O111:B4 (Biotin-LPS, from Escherichia coli (O111:B4)) is a biotin-conjugated Lipopolysaccharide (LPS) (HY-D1056A1) that can be coupled with streptavidin protein. Biotin-Lipopolysaccharide, from E.coli O111:B4 can be used to identify Lipopolysaccharide ligands. Lipopolysaccharides, from E. coli O111:B4 (LPS, from Escherichia coli (O111:B4)) are endotoxins and TLR4 activators extracted from Escherichia coli (E. coli O111:B4) and are classified as S (smooth) type LPS. Lipopolysaccharides, from E. coli O111:B4 possess the typical three-part structure: O-antigen, R3-type core oligosaccharide, and lipid A. Lipopolysaccharides, from E. coli O111:B4 activate TLR-4 in immune cells and can cause significant gastric diseases. Lipopolysaccharides, from E. coli O111:B4 can also induce M1-type polarization in mouse macrophages .
    It is recommended to prepare a solution with concentration ≥2 mg/mL. Vortex thoroughly for more than 10 minutes. Due to the adsorption characteristics of LPS, silanized container or low adsorption centrifuge tubes should be used for aliquoting and storage, and mix thoroughly before use.
    Biotin-Lipopolysaccharide, from E.coli O111:B4
  • HY-D1056B4

    LPS, from bacterial (Salmonella typhosa)

    Toll-like Receptor (TLR) Inflammation/Immunology
    Lipopolysaccharides, from Salmonella typhosa are lipopolysaccharide endotoxins and TLR-4 activators derived from Salmonella typhosa, classified as S-type LPS, which can activate pathogen-associated molecular patterns (PAMP) of the immune system and induce cellular secretion of migrasomes. Lipopolysaccharides, from Salmonella typhosa exhibit a typical three-part structure: O-antigen, core oligosaccharide, and lipid A. Lipopolysaccharides, from Salmonella typhosa can serve as vaccine adjuvants and demonstrate adjuvant activity targeting B cells in immune responses in vivo .
    It is recommended to prepare a solution with concentration ≥2 mg/mL. Vortex thoroughly for more than 10 minutes. Due to the adsorption characteristics of LPS, silanized container or low adsorption centrifuge tubes should be used for aliquoting and storage, and mix thoroughly before use.
    Lipopolysaccharides, from Salmonella typhosa
  • HY-D1056C3

    LPS, from Salmonella enterica (Serotype typhimurium)

    Toll-like Receptor (TLR) Inflammation/Immunology
    Lipopolysaccharides, from S. enterica (Salmonella enterica) serotype typhimurium are lipopolysaccharide endotoxins and TLR4 activators derived from serotype typhimurium of Salmonella enterica, and are classified as S-type LPS. Lipopolysaccharides, from S. enterica exhibit a typical three-part structure: O-antigen, core oligosaccharide, and lipid A. Lipopolysaccharides, from S. enterica serotype typhimurium can modulate the fate of bacteria in dendritic cells (DC), determining the uptake, degradation, and activation of immune functions by DC cells against the bacteria .
    It is recommended to prepare a solution with concentration ≥2 mg/mL. Vortex thoroughly for more than 10 minutes. Due to the adsorption characteristics of LPS, silanized container or low adsorption centrifuge tubes should be used for aliquoting and storage, and mix thoroughly before use.
    Lipopolysaccharides, from S. enterica serotype typhimurium
  • HY-D1056C1

    LPS, from Salmonella enterica (Serotype enteritidis)

    Toll-like Receptor (TLR) Inflammation/Immunology
    Lipopolysaccharides, from S. enterica (Salmonella enterica) serotype enteritidis are lipopolysaccharide endotoxins and TLR-4 activators derived from the enteritidis serotype of S. enterica, classified as S-type LPS, which can activate pathogen-associated molecular patterns (PAMP) of the immune system and induce cellular secretion of migrasomes. Lipopolysaccharides, from S. enterica serotype enteritidis exhibit a typical three-part structure: O-antigen, core oligosaccharide, and lipid A. Lipopolysaccharides, from S. enterica serotype enteritidis can induce systemic inflammatory responses, increasing levels of TNF-α, IFN-γ, IL-6, IL-10, and nitrate in plasma .
    It is recommended to prepare a solution with concentration ≥2 mg/mL. Vortex thoroughly for more than 10 minutes. Due to the adsorption characteristics of LPS, silanized container or low adsorption centrifuge tubes should be used for aliquoting and storage, and mix thoroughly before use.
    Lipopolysaccharides, from S. enterica serotype enteritidis
  • HY-D1056B2

    LPS, from bacterial (Proteus mirabilis)

    Toll-like Receptor (TLR) Inflammation/Immunology
    Lipopolysaccharides, from Proteus mirabilis are lipopolysaccharide endotoxins and TLR-4 activators derived from Proteus mirabilis, classified as S-type LPS, which can activate pathogen-associated molecular patterns (PAMP) of the immune system and induce cellular secretion of migrasomes. Lipopolysaccharides, from Proteus mirabilis exhibit a typical three-part structure: O-antigen, core oligosaccharide, and lipid A. Proteus mirabilis is a major pathogen causing urinary tract infections and may also contribute to rheumatoid arthritis. Lipopolysaccharides, from Proteus mirabilis also exhibit potential anti-tumor effects, demonstrating in vivo inhibitory activity against solid tumors such as meningosarcoma and Walker carcinosarcoma .
    It is recommended to prepare a solution with concentration ≥2 mg/mL. Vortex thoroughly for more than 10 minutes. Due to the adsorption characteristics of LPS, silanized container or low adsorption centrifuge tubes should be used for aliquoting and storage, and mix thoroughly before use.
    Lipopolysaccharides, from Proteus mirabilis
  • HY-D1056A5

    LPS, from Escherichia coli (K-235)

    Toll-like Receptor (TLR) Inflammation/Immunology
    Lipopolysaccharides, from E. coli (Escherichia coli) K-235 are lipopolysaccharide endotoxins and TLR-4 activators derived from E. coli, classified as S-type LPS, which can activate pathogen-associated molecular patterns (PAMP) of the immune system and induce cellular secretion of migrasomes. Lipopolysaccharides, from E. coli K-235 exhibit a typical three-part structure: O-antigen (O-antigen), core oligosaccharide (core oligosaccharide), and lipid A (Lipid A). Lipopolysaccharides, from E. coli K-235 have a mitogenic effect on C57BL/10ScN spleen cells. Additionally, LPS purified using butanol and deoxycholic acid methods stimulates spleen cells in C57BL/10ScCR and C3H/HeJ mice .
    It is recommended to prepare a solution with concentration ≥2 mg/mL. Vortex thoroughly for more than 10 minutes. Due to the adsorption characteristics of LPS, silanized container or low adsorption centrifuge tubes should be used for aliquoting and storage, and mix thoroughly before use.
    Lipopolysaccharides, from E. coli K-235
  • HY-D1056I

    LPS, from Akkermansia muciniphila

    Biochemical Assay Reagents Inflammation/Immunology
    Lipopolysaccharides, from Akkermansia muciniphila (LPS, from Akkermansia muciniphila) are lipopolysaccharide endotoxins derived from Akkermansia muciniphila and are TLR-4 activators. Unlike typical LPS, Lipopolysaccharides, from Akkermansia muciniphila are R-type LPS or lipooligosaccharides (LOS), lacking the O-antigen domain and consisting only of a core oligosaccharide and a lipid A. Lipopolysaccharides, from Akkermansia muciniphila can activate TLR4 and TLR2, and may inhibit the TLR4/NF-κB pathway, thereby alleviating LPS-induced acute kidney injury .
    It is recommended to prepare a solution with concentration ≥2 mg/mL. Vortex thoroughly for more than 10 minutes. Due to the adsorption characteristics of LPS, silanized container or low adsorption centrifuge tubes should be used for aliquoting and storage, and mix thoroughly before use.
    Lipopolysaccharides, from Akkermansia muciniphila
  • HY-D1056C4

    LPS, from Salmonella enterica (Serotype abortus equi)

    Toll-like Receptor (TLR) Inflammation/Immunology
    Lipopolysaccharides, from S. enterica (Salmonella enterica) serotype Abortusequi are lipopolysaccharide endotoxins and TLR-4 activators derived from the Abortusequi serotype of S. enterica, classified as a mutated R-type LPS, which can activate pathogen-associated molecular patterns (PAMP) of the immune system and induce cellular secretion of migrasomes. Lipopolysaccharides, from S. enterica serotype abortus equi consist of core oligosaccharide (core oligosaccharide) and lipid A (Lipid A). S. enterica serotype Abortusequi is a major pathogen causing abortion in mares and is also associated with neonatal sepsis, multiple abscesses, orchitis, and polyarthritis in equids. It is primarily grouped based on lipopolysaccharides (O-antigen) and flagellin (H-antigen) .
    It is recommended to prepare a solution with concentration ≥2 mg/mL. Vortex thoroughly for more than 10 minutes. Due to the adsorption characteristics of LPS, silanized container or low adsorption centrifuge tubes should be used for aliquoting and storage, and mix thoroughly before use.
    Lipopolysaccharides, from S. enterica serotype abortus equi
  • HY-D1056B1

    LPS, from bacterial (Proteus vulgaris)

    Toll-like Receptor (TLR) Inflammation/Immunology
    Lipopolysaccharides, from Proteus vulgaris are lipopolysaccharide endotoxins and TLR-4 activators derived from Proteus vulgaris, classified as S-type LPS, which can activate pathogen-associated molecular patterns (PAMP) of the immune system and induce cellular secretion of migrasomes. Lipopolysaccharides, from Proteus vulgaris exhibit a typical three-part structure: O-antigen, core oligosaccharide, and lipid A. Lipopolysaccharides, from Proteus vulgaris possess a unique molecular structure and chitosan affinity (Kb=2.72 μM), surpassing that of Yersinia pseudotuberculosis (Kb=6.06 μM) and Escherichia coli (Kb=79.50 μM) .
    It is recommended to prepare a solution with concentration ≥2 mg/mL. Vortex thoroughly for more than 10 minutes. Due to the adsorption characteristics of LPS, silanized container or low adsorption centrifuge tubes should be used for aliquoting and storage, and mix thoroughly before use.
    Lipopolysaccharides, from Proteus vulgaris
  • HY-N19291

    D-Perosamine

    Drug Derivative Others
    Perosamine is a dideoxysugar that can be isolated from the O-antigens of Gram-negative bacteria, including Vibrio cholerae O1 and Escherichia coli O157:H7 .
    Perosamine
  • HY-E71208

    Biochemical Assay Reagents Others
    α-1,2-Colitosyltransferase (EC 2.4.1.341) participates in the biosynthesis of an O-antigen. The reaction involves anomeric inversion, and does not require any metal ions. The enzyme is highly specific towards the acceptor, exclusively recognizing lacto-N-biose, but can accept GDP-L-fucose as the donor with almost the same activity as with GDP-β-L-colitose.
    α-1,2-Colitosyltransferase

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