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Depression: 21st Century Solutions + The Dark Side of Wheat

Abstract Title:

Neuroprotective effect of wogonin: potential roles of inflammatory cytokines.

Abstract Source:

Arch Pharm Res. 2004 Sep;27(9):930-6. PMID: 15473663

Abstract Author(s):

Hua Zi Piao, Shun Ai Jin, Hyang Sook Chun, Jae-Chul Lee, Won-Ki Kim

Abstract:

Wogonin (5,7-dihydroxy-8-methoxyflavone), an active component originated from the root of Scutellaria baicalensis Georgi, has been reported to possess antioxidant and anti-inflammatory properties. In this study, we investigated the neuroprotective effect of wogonin in a focal cerebral ischemia rat model. Wogonin markedly reduced the infarct volume after 2 h middle cerebral artery occlusion followed by 22 h reperfusion. Wogonin decreased the production of nitric oxide and inflammatory cytokines such as TNF-alpha and IL-6 in lipopolisaccharide-stimulated microglial cells. While wogonin reduced the activity of NF-kappaB, it did not change the activity of mitogen-activated protein kinases family members, p38, ERK and JNK. The lipopolisaccharide-stimulated production of NO and cytokines was significantly blocked by various kinds of NF-kappaB inhibitors such as N-acetyl cysteine, pyrrolidinedithiocarbamate and MG-132. The data may indicate that wogonin has neuroprotective effect by preventing the overactivation of microglial cells, possibly by inactivating NF-kappaB signaling pathway.

Study Type : In Vitro Study

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Sayer Ji
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Depression: 21st Century Solutions + The Dark Side of Wheat

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