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

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Abstract Title:

Diosgenin down-regulates NF-κB p65/p50 and p38MAPK pathways and attenuates acute lung injury induced by lipopolysaccharide in mice.

Abstract Source:

Int Immunopharmacol. 2013 Feb ;15(2):240-5. Epub 2012 Dec 14. PMID: 23246979

Abstract Author(s):

Mengyu Gao, Ling Chen, Haixiang Yu, Qi Sun, Junping Kou, Boyang Yu

Article Affiliation:

Mengyu Gao

Abstract:

Diosgenin (Dio), a major active component of steroidal sapogenin of the traditional Chinese herb Dioscorea zingiberensis C.H.Wright, shows various activities including anti-inflammatory, anti-thrombotic activities, anti-cancer properties etc. In the present study, we found that diosgenin significantly suppressed the phosphorylation of lung NF-κB p50/p65 and MAPK/p38 in lipopolysaccharide (LPS)-induced acute lung injury (ALI) in mice, when given orally at doses of 0.1, 1.0 and 10mg/kg 1h prior to LPS challenge (30 mg/kg, intravenous injection). Moreover, diosgenin attenuated the lung histopathological changes such as pulmonary edema, coagulation and infiltration of inflammatory cells. In addition, diosgenin significantly decreased the lung wet to dry weight (W/D) ratio and nitrite/nitrate content at three doses, and also markedly inhibited LPS-induced body temperature decrease and nitrite/nitrate elevation in plasma. Besides, diosgenin could significantly suppress activation of NF-κB p65/p50, p38 and expression of inducible nitric oxide synthase (iNOS) in LPS-induced THP-1 cells. Our findings indicate the potential application of diosgenin for ALI treatment.

Study Type : Animal Study

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

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