Rigin Rigin is a tuftsin-like tetrapeptide with the sequence G-Q-P-R that is derived from IgG. Rigin exhibits immunomodulatory activity, stimulating phagocytosis, activating polymorphonuclear lymphocytes and macrophages, and protecting against stress-induced…
Rifaximin Rifaximin is a rifampicin derivative with weaker absorption kinetics; it inhibits DNA-dependent RNA polymerase. Rifaximin is an ansamycin antibacterial compound that is clinically used to treat small intestinal bacterial…
Rifamycin SV Monosodium Rifamycin is an ansamycin antibiotic that exhibits antibacterial and anti-inflammatory activities. Rifamycin inhibits bacterial DNA-dependent RNA polymerase, preventing formation of the initiation complex in transcription and suppressing…
Rifampicin Rifampicin is an ansamycin antibiotic that exhibits antibacterial, neuroprotective, and anti-inflammatory activities. Rifampicin inhibits bacterial DNA-dependent RNA polymerase, preventing formation of the initiation complex in transcription and suppressing RNA…
Ridaifen A Dihydrochloride Ridaifen A is a tamoxifen derivative. Like other ridaifens, ridaifen A may exhibit anticancer activity. Related compound ridaifen B increases ROS levels and mitochondria-mediated apoptosis in breast…
Ricobendazole Ricobendazole is an anti-parasitic nitroimidazole compound administered subcutaneously, unlike most nitroimidazoles. Ricobendazole binds the colchicine site of tubulin, inhibiting microtubule polymerization. Ricobendazole also exhibits anticancer activity, potentiating the effects…
Riboflavin Riboflavin is also known as vitamin B2; it is found in many food sources such as vegetables, dairy, and legumes. Riboflavin plays a role in the metabolism of carbohydrates,…
Ribavirin Ribavirin is a purine nucleoside derivative that exhibits antiviral and anti-inflammatory activities. This compound displays broad spectrum antiviral activity but is most often clinically used in conjunction with IFN…
Rhyncholphylline Rhynchophylline is an oxyindole alkaloid found in Uncaria sinensis. Rhynchophylline displays anti-arrhythmic, antithrombotic, antioxidative, and neuroprotective characteristics. This compound inhibits platelet aggregation, decreases channel activation and peak tail currents…
Rhein Rhein is an active metabolite of diacerein and an anthraquinone found in Rheus (rhubarb). Rhein exhibits pro-inflammatory, anti-inflammatory, anti-diabetic, anticancer, antioxidative, anti-atherosclerotic, and anti-angiogenic activities. Rhein inhibits LPS-induced activation…