Protective and Therapeutic Effects of Engeletin on LPS-Induced Acute Lung Injury.

Abstract:

:Acute lung injury (ALI) is a serious disease with morbidity and mortality in patients. Engeletin (dihydrokaempferol 3-rhamnoside) is a flavanonol glycoside. It can be found in the skin of white grapes and white wine and is widely distributed in southeast Asia. In our study, we evaluated the protective and therapeutic effects of engeletin on lipopolysaccharide (LPS)-induced ALI in animal model. We determined the level of peroxisome proliferator-activated receptor-γ (PPAR-γ), nuclear factor kappaB (NF-κB), and IκBα by western blotting. The myeloperoxidase (MPO) activity and lung wet/dry (W/D) ratio in lung tissues were also detected. Histopathological changes and the pro-inflammatory cytokines TNF-α, IL-6, and IL-1β were determined by H&E staining and ELISA. The MPO activity and lung W/D ratio induced by LPS were attenuated by engeletin. The numbers of inflammatory cells and the levels of inflammatory cytokines in bronchoalveolar lavage fluid (BALF) were ameliorated by engeletin. Furthermore, the results also showed that engeletin significantly suppressed LPS-induced NF-κB activation. The expression of PPAR-γ was upregulated by treatment of engeletin. In conclusion, we found that engeletin had protective and therapeutic effects against LPS-induced ALI by activating PPAR-γ. Engeletin is a potentially effective agent for the treatment of lung injury.

journal_name

Inflammation

journal_title

Inflammation

authors

Jiang X,Chen L,Zhang Z,Sun Y,Wang X,Wei J

doi

10.1007/s10753-018-0773-z

subject

Has Abstract

pub_date

2018-08-01 00:00:00

pages

1259-1265

issue

4

eissn

0360-3997

issn

1573-2576

pii

10.1007/s10753-018-0773-z

journal_volume

41

pub_type

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