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Records of Natural Products
Yazarlar: Chiyeon Lim , Chang-Hyun Kim , Se-Hyun Lim Suin Cho
Konular:-
Anahtar Kelimeler:Salvianolic acid B ,Salvia miltiorrhiza ,Ischemia/reperfusion injuryi ,Nflammationb ,Rain edema
Özet: Salvianolic acid B (SAB) is one of main components of the dried roots and rhizomes of Salvia miltiorrhiza Bunge (RSM), which is widely used as a medicinal herb in East-Asia. According to traditional Korean medicine, RSM promotes blood flow, and thus, we investigated the effects of administering SAB after ischemia/reperfusion (I/R)-induced brain injury in a mouse model. I/R-induced brain injury was induced by middle cerebral artery occlusion (MCAO) for 2 h. SAB was orally administered to mice twice after 3 and 6 h of occlusion at 5, 15, or 45 mg/kg body weight. Administration of SAB at 45 mg/kg significantly reduced infarct volumes and edema indices and suppressed interleukin 1 beta (IL-1β), tumor necrosis factor alpha (TNF-α), and reactive oxygen species (ROS) levels in brain ipsilateral hemispheres. SAB also down-regulated Mn-SOD protein expression in affected brain tissues after I/R-induced brain injury. Our results indicate the neuro-protective effects of salvianolic acid B are due to its anti-inflammatory effect mediated by intra-cellular superoxide scavenging..
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