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Article Publish Status: FREE
Abstract Title:

Anti-Inflammatory Activity of Sanghuangporus sanghuang Mycelium.

Abstract Source:

Int J Mol Sci. 2017 Feb 7 ;18(2). Epub 2017 Feb 7. PMID: 28178212

Abstract Author(s):

Wang-Ching Lin, Jeng-Shyan Deng, Shyh-Shyun Huang, Sheng-Hua Wu, Chin-Chu Chen, Wan-Rong Lin, Hui-Yi Lin, Guan-Jhong Huang

Article Affiliation:

Wang-Ching Lin

Abstract:

Acute lung injury (ALI) is characterized by inflammation of the lung tissue and oxidative injury caused by excessive accumulation of reactive oxygen species. Studies have suggested that anti-inflammatory or antioxidant agents could be used for the treatment of ALI with a good outcome. Therefore, our study aimed to test whether the mycelium extract of(SS-1), believed to exhibit antioxidant and anti-inflammatory properties, could be used against the excessive inflammatory response associated with lipopolysaccharides (LPS)-induced ALI in mice and to investigate its possible mechanism of action. The experimental results showed that the administration of SS-1 could inhibit LPS-induced inflammation. SS-1 could reduce the number of inflammatory cells, inhibit myeloperoxidase (MPO) activity, regulate the TLR4/PI3K/Akt/mTOR pathway and the signal transduction of NF-κB and MAPK pathways in the lung tissue, and inhibit high mobility group box-1 protein 1 (HNGB1) activity in BALF. In addition, SS-1 could affect the synthesis of antioxidant enzymes Heme oxygenase 1 (HO-1) and Thioredoxin-1 (Trx-1) in the lung tissue and regulate signal transduction in the KRAB-associated protein-1 (KAP1)/nuclear factor erythroid-2-related factor Nrf2/Kelch Like ECH associated Protein 1 (Keap1) pathway. Histological results showed that administration of SS-1 prior to induction could inhibit the large-scale LPS-induced neutrophil infiltration of the lung tissue. Therefore, based on all experimental results, we propose that SS-1 exhibits a protective effect against LPS-induced ALI in mice. The mycelium ofcan potentially be used for the treatment or prevention of inflammation-related diseases.

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