Schisantherin A attenuates sepsis-induced acute kidney injury by suppressing inflammation via regulating the NRF2 pathway
2020
Gui, Yuan | Yang, Youjing | Xu, Deyu | Tao, Shasha | Li, Jianzhong
Tubulointerstitial inflammation is recognized as a key determinant of progressive sepsis-induced acute kidney injury (AKI). Schisantherin A (SchA) has been shown to be capable of regulating inflammatory processes. In the present study, we explored the possibility of SchA in preventing lipopolysaccharide (LPS)-induced kidney inflammation and injury.AKI was induced by a single intraperitoneal injection of LPS in CD1 mice, administration of SchA was used for treatment. The protective effect of SchA on renal function and inflammation were analyzed respectively; the NRK-52E cell line was employed for the in vitro study and relative molecular mechanism was explored.Administration with SchA markedly attenuated LPS-induced damage on renal function and histopathological changes of the kidney. Additionally, pretreatment with SchA could inhibit the expression of inflammatory factors in the kidneys. In NRK-52E cells, SchA treatment significantly inhibited LPS-induced NF-κB activation and pro-inflammatory cytokine expression. Moreover, SchA could promote NRF2 pathway activation, and further blockade of NRF2 activation reversed the SchA-induced inhibition of NF-κB activation.These presented results indicated that SchA may have great potential for protecting against sepsis-induced AKI.
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