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  • Title: Beneficial effects of magnolol in a rodent model of endotoxin shock.
    Author: Tsai YC, Cheng PY, Kung CW, Peng YJ, Ke TH, Wang JJ, Yen MH.
    Journal: Eur J Pharmacol; 2010 Sep 01; 641(1):67-73. PubMed ID: 20519137.
    Abstract:
    Magnolol is a compound extracted from the Chinese medicinal herb Magnolia officinalis. It has multiple pharmacological effects, notably as an anti-oxidant. The aim of this study was to evaluate the effects of magnolol on sepsis induced by intravenous (i.v.) administration of lipopolysaccharide (LPS; 10 mg/kg) in anaesthetized Wistar rats. Magnolol (4 microg/kg, i.v.) was administered at 30 min after LPS injection. Post-treatment with magnolol significantly attenuated the deleterious haemodynamic changes (e.g., hypotension and bradycardia) caused by LPS. Meanwhile, magnolol significantly inhibited the elevation of plasma levels of tumor necrosis factor alpha, glutamate-oxaloacetate transaminase, glutamate-pyruvate transaminase and blood urine nitrogen caused by LPS. The induction of inducible nitrous oxide (NO) synthase and the overproduction of NO and superoxide anions by LPS were also significantly reduced by post-treatment with magnolol. Moreover, the plasma level of the thrombin-antithrombin complex following administration of LPS was also reduced by post-treatment with magnolol. Thus, the beneficial effects of magnolol on LPS-induced sepsis result from its anti-inflammatory, anti-coagulatory, and anti-oxidant effects.
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