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Rifampin is a DNA-dependent RNA polymerase inhibitor, it is also a potent and broad spectrum antibiotic against bacterial pathogens. Rifampicin has anti-influenza virus activities. Rifampin inhibits IκBα degradation and mitogen-activated protein kinase (MAPK) phosphorylation. Rifampin is found to bind to human MD-2 in a Rifampin and MD-2 concentration-dependent manner. Rifampin inhibits NF-κB activation induced by LPS (20 ng/ml) in a dose-dependent manner, with an IC50 of 44.1 μM in Blue hTLR4 293 cells (A) and immunocompetent microgial BV-2 cell. Rifampin (50 μM) suppresses NF-κB activation at varying LPS doses, and the maximum NF-κB level induced by LPS in the presence of Rifampin (50 μM) is much lower than that in the absence of Rifampin. Rifampin inhibits NO production induced by LPS (200 ng/ml) in a dose-dependent manner in BV-2 cells, with an IC50 of 21.2 μM. Rifampin suppresses LPS induced TNF-α and IL-1β production in both microglia BV-2 and RAW 264.7 macrophage cells.
Front Vet Sci. 2024 Jul 10;11:1439015.
Inhibition of porcine reproductive and respiratory syndrome virus replication by rifampicin in vitro
Rifampicin purchased from AbMole
| Molecular Weight | 822.94 |
| Formula | C43H58N4O12 |
| CAS Number | 13292-46-1 |
| Solubility (25°C) | DMSO ≥ 25 mg/mL |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
| Related DNA/RNA Synthesis Products |
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