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

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Article Publish Status: FREE
Abstract Title:

Tanshinone IIA alleviates lipopolysaccharide-induced acute lung injury by downregulating TRPM7 and pro-inflammatory factors.

Abstract Source:

J Cell Mol Med. 2018 01 ;22(1):646-654. Epub 2017 Oct 18. PMID: 29047214

Abstract Author(s):

Jie Li, Yan Zheng, Ming-Xian Li, Chu-Wei Yang, Yu-Fei Liu

Article Affiliation:

Jie Li

Abstract:

The study aimed to investigate the role of Tanshinone IIA (Tan IIA) in lipopolysaccharide (LPS)-induced acute lung injury (ALI) in its regulation of TRPM7. Wistar male rats were randomly divided into the normal saline (NS), LPS, knockout (KO) + LPS, low-dose Tan IIA (Tan-L), middle-dose Tan IIA (Tan-M), high-dose Tan IIA (Tan-H) and KO + high-dose Tan IIA (KO + Tan-H) groups. The level of tumour necrosis factor-α (TNF-α), interleukin (IL)-1β, IL-6, TRPM7 protein expression, current density-voltage curve and Caconcentration were detected through ELISA, Western blotting, electrophysiological experiment and a calcium-imaging technique, respectively. The rats in the KO + LPS, Tan-L, Tan-M, Tan-H and KO + Tan-H groups all displayed lower levels of TNF-α, IL-1β and IL-6 than the LPS group. Rats in the KO + Tan-H group exhibited lower levels of NF-α, IL-1β and IL-6 than rats in the Tan-H group. Elevated levels of TRPM7 protein expression in the LPS and Tan groups were detected in comparison with the NS group. However, TRPM7 protein expression in Tan-M and Tan-H groups was notably lower than in that of the LPS group. In comparison with the NS group, the LPS and Tan groups had a greater PIMs cell density and a higher concentration of Ca. Contrary results were observed in the KO + LPS, Tan-H and KO + Tan-H groups. Tan IIA decreases calcium influx in PIMs and inhibits pro-inflammatory factors which provide an alleviatory effect in regards to LPS-induced ALI by suppressing TRPM7 expression.

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

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