A new sesquiterpene lactone was isolated from Siegesbeckia glabrescens as an inhibitor of nitric oxide and prostaglandin E2 synthesis in the LPS-activated RAW264.7 macrophage cell line. It dose-dependently decreased the protein and mRNA levels of inducible nitric oxide synthase and cyclooxygenase-2.
Glutamate-induced oxidative injury contributes to neuronal degeneration such as Alzheimer's disease, Parkinson's disease and Huntington's disease in the central nervous system (CNS). Siegesbeckia pubescens is used in oriental medicine to treat arthritis, stroke, rash, edema, and skin itching eczema
To isolate the anti-inflammatory components in Siegesbeckia pubescens root, we performed activity-guided fractionation using a carrageenan-induced edema rat model. Antinociceptive effects were followed using acetic acid-induced abdominal constriction and hot plate tests in mice. Chloroform extract
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