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Issue 5, 2020
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Oleanolic acid derivative isolated from Gardenia jasminoides var. radicans alleviates LPS-induced acute kidney injury in mice by reducing oxidative stress and inflammatory responses via the TLR4/NF-κB/NLRP3 signaling pathway

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Abstract

Acute kidney injury (AKI) is a frequent complication of sepsis with hallmarks including inflammation and oxidative stress. A large amount of oleanolic acid derivatives (TO) have been isolated from Gardenia jasminoides var. radicans, a traditional Chinese medicine with anti-inflammatory efficacy; thus, the aim of the present study was to evaluate the protective effects of TO on injury in a murine model of endotoxemic AKI. Kidney function, inflammation, oxidative stress, apoptosis, white blood cell count, TLR4/NF-κB/NLRP3 pathway involvement and metabolic profiling of the serum were evaluated. The results show that TO significantly ameliorated renal function in mice with LPS-induced AKI; 2-deoxy-D-glucose (2-DG) optical probe imaging indicated that TO markedly reduced the levels of inflammation; flow cytometry demonstrated that TO had an excellent antioxidant effect, regulating immune cells; Western blotting indicated that TO inhibited the TLR4/NF-κB/NLRP3 signaling pathway; and metabolic profiling of the serum also demonstrated the protective effects of TO on injury in a murine model of endotoxemic AKI. In summary, TO renoprotection involves the attenuation of LPS-induced renal inflammation and oxidative stress, which may be mediated via inhibition of the TLR4/NF-κB/NLRP3 signaling pathway.

Graphical abstract: Oleanolic acid derivative isolated from Gardenia jasminoides var. radicans alleviates LPS-induced acute kidney injury in mice by reducing oxidative stress and inflammatory responses via the TLR4/NF-κB/NLRP3 signaling pathway

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Article information


Submitted
22 Oct 2019
Accepted
15 Jan 2020
First published
15 Jan 2020

New J. Chem., 2020,44, 2091-2101
Article type
Paper

Oleanolic acid derivative isolated from Gardenia jasminoides var. radicans alleviates LPS-induced acute kidney injury in mice by reducing oxidative stress and inflammatory responses via the TLR4/NF-κB/NLRP3 signaling pathway

M. Zeng, Y. Cao, R. Xu, Y. Wu, Y. Wang, Y. Zhang, X. Zheng and W. Feng, New J. Chem., 2020, 44, 2091
DOI: 10.1039/C9NJ05294A

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