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LPS from Escherichia coli O55:B5
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Products are for research purposes only and are
not for use in humans or as diagnostic agents.
View our other Lipopolysaccharides (LPS) and Related Products
$380.00
#203A (2.5 mg)
Form
lyophilized
Storage temp
2-8°C
Inflammatory cytokine profile in pregnant women colonized with group B streptococcus reveals IL-17A as a potential biomarker to identify at-risk newborns
Amar, Chakroun, Ben-Taleb et al
J Infect Dis (2026)
Amar, Chakroun, Ben-Taleb et al
J Infect Dis (2026)
Snippet: ...(LPS from Escherichia coli O55:B5) (List biological laboratories, Campbell, CA, USA; Cat#LL-203A) (10?ng/mL), ... Unstimulated cells were used as controls. …
Persistent inflammation and white matter damage in the preterm brain: Insights from a novel ovine model of chronic inflammation
Razak, Sutherland, Pham et al
Exp Neurol (2025) 393, 115397 DOI: 10.1016/j.expneurol.2025.115397
Razak, Sutherland, Pham et al
Exp Neurol (2025) 393, 115397 DOI: 10.1016/j.expneurol.2025.115397
Cited by 3
Snippet: e of two groups: (1) control: fetuses administered an intravenous injection of saline solution on days 1, 2, and 3 (n = 8) and (2) LPS: fetuses administered a 200 ng in 2 ml saline intravenous injection of LPS derived from Escherichia coli (200 ng/kg; serotype 055:B5; List Biological Laboratories) on days 1, 2, and 3 (n = 9). …
Treponema Denticola Activates NF-κB Pathway via Toll-like Receptor 2
Kokubu, Ando, Kikuchi et al
Bull Tokyo Dent Coll (2025)
Kokubu, Ando, Kikuchi et al
Bull Tokyo Dent Coll (2025)
Cited by 2
Snippet:
2. Signal evaluation by recognition of T. denticola via TLR2 or TLR4
... Escherichia coli O55:B5 LPS (List Biological Labs, Inc. Ca, USA) was added to TLR4-reporter cells for a positive control. In a preliminary experiment, the phosphatase activity of T. denticola was confirmed to be negligible (data not shown).
Gpnmb and Spp1 mark a conserved macrophage injury response masking fibrosis-specific programming in the lung
King, Zhao, Moore et al
JCI Insight (2024) 9 (24) DOI: 10.1172/jci.insight.182700
King, Zhao, Moore et al
JCI Insight (2024) 9 (24) DOI: 10.1172/jci.insight.182700
Cited by 44
Snippet: …Animals were rested for 4 weeks after the final tamoxifen dose (13, 38). E. coli LPS O55:B5 (List Biological Laboratories) was instilled into the tracheas of mice sedated with isoflurane (Baxter) at a concentration of 20 μg in 50 μL of PBS using a modified gel-loading tip with direct laryngoscopy (13). …
Regional pulmonary perfusion, blood volume, and their relationship change in experimental early ARDS
Santos, Motta-Ribeiro, de Prost et al
Sci Rep (2024) 14 (1), 5832 DOI: 10.1038/s41598-024-56565-6
Santos, Motta-Ribeiro, de Prost et al
Sci Rep (2024) 14 (1), 5832 DOI: 10.1038/s41598-024-56565-6
Cited by 5
Snippet:
Subjects and experimental design
... After baseline (BL) measurements, animals were subjected to a continuous lipopolysaccharide (Escherichia coli O5:55, List Biologic Laboratories Inc, USA) infusion of 10 ng/kg/min for 20 h to induce lung injury16. Then measurements were repeated for lung injury (INJ). During the time of the experiment, PEEP and FiO2 were managed according to the ARDS Network table (low PEEP high FiO2)17.
CNP-miR146a improves outcomes in a two-hit acute- and ventilator-induced lung injury model
Wallbank, Vaughn, Niemiec et al
Nanomedicine (2023) 50, 102679 DOI: 10.1016/j.nano.2023.102679
Wallbank, Vaughn, Niemiec et al
Nanomedicine (2023) 50, 102679 DOI: 10.1016/j.nano.2023.102679
Cited by 20
Snippet:
Lipopolysaccharide murine acute lung injury model
... Eight- to ten-week-old C57BL/6 J female mice (Jackson Laboratory) were injured intratracheally (IT) with lipopolysaccharide (LPS, O55:B5 #203A, List Labs). Each mouse received 50 μg LPS dissolved in 50 μL sterile phosphate buffered saline (PBS) at time zero. Control mice were administered 50 μL IT PBS. ...
Multivalent mannose-conjugated siRNA causes robust gene silencing in pancreatic macrophages in vivo
Yamazaki, Kubara, Suzuki et al
European Journal of Pharmaceutics and Biopharmaceutics (2023) 183, 61-73 DOI: 10.1016/j.ejpb.2022.12.017
Yamazaki, Kubara, Suzuki et al
European Journal of Pharmaceutics and Biopharmaceutics (2023) 183, 61-73 DOI: 10.1016/j.ejpb.2022.12.017
Cited by 17
Snippet:
... 50 ng/mL rhM-CSF plus 10 ng/mL lipopolysaccharide from Escherichia coli O55:B5 (LPS; List Biological Laboratories, Campbell, CA, USA) for M1, ...
Olaparib attenuates sepsis-induced acute multiple organ injury via ERK-mediated CD14 expression
Chen, Chen, Jin et al
Exp Biol Med (Maywood) (2021)
Chen, Chen, Jin et al
Exp Biol Med (Maywood) (2021)
Cited by 6
Snippet:
... Then, adherent macrophages underwent further incubation in serum-free RPMI1640 at 37°C for 2h and subsequent treatment with LPS (List Biological Laboratories, Escherichia coli 055:B5), ...
Vascular endothelial growth factor contributes to lung vascular hyperpermeability in sepsis-associated acute lung injury
Tomita, Saito, Suzuki et al
Naunyn Schmiedebergs Arch. Pharmacol. (2020)
Tomita, Saito, Suzuki et al
Naunyn Schmiedebergs Arch. Pharmacol. (2020)
Cited by 50
Snippet:
Experimental animal models
In the second series of experiments, mice, under light anesthesia, were instilled intranasally with 60 μg of lipopolysaccharide (LPS) (Escherichia coli 055:B5; List Biological Laboratories, Campbell, CA, USA) in 60 μl of sterile 0.9% NaCl solution. Control animals received equivalent volume of vehicle saline solution. When bevacizumab, which neutralizes VEGF and blocks its signal transduction through VEGF receptors (Papadopoulos et al. 2012), was used, it was intravenously given to mice at a dose of 40 μg at 60 min before administration of LPS. Animals were euthanized at 24 h after LPS challenge. All experimental data were analyzed in a blinded fashion.
A Study of The Cellular Uptake of Magnetic Branched Amphiphilic Peptide Capsules
Natarajan, Roberts, Kunte et al
Mol. Pharm. (2020) 17 (6), 2208-2220 DOI: 10.1021/acs.molpharmaceut.0c00393
Natarajan, Roberts, Kunte et al
Mol. Pharm. (2020) 17 (6), 2208-2220 DOI: 10.1021/acs.molpharmaceut.0c00393
Cited by 10
Snippet:
... For macrophage activation, the adherent cells were stimulated with 1g/mL of lipopolysaccharide from E.coli O55:BS (List Biological Lab Inc.) in media for 4 h at 37 C ...
Showing 1-10 of 65 papers.
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