Mangiferin attenuate sepsis-induced acute kidney injury via antioxidant and anti-inammatory effects

Liyu He, Xiaofei Peng, Jiefu Zhu, Xian Chen, Hong Liu, Chengyuan Tang, Zheng Dong, Fuyou Liu, Youming Peng

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

Background: Acute kidney injury (AKI) is a frequent and serious complication of sepsis. A growing body of evidence now suggests that inflammatory reactions and tubular dysfunction induced by oxidative stress involved in the mechanisms of the disease. This study aimed to determine the role of anti-inammatory and anti-oxidant activities of mangiferin (MA) in sepsis-induced AKI. Methods: We investigated the effects of MA on apoptosis of rat kidney proximal tubular cell (RPTC), together with renal function and morphological alterations of mice undergoing cecal-ligation and puncture (CLP). The levels of oxidative stress in kidney tissues were also determined. Moreover, we mainly focus on the effects of MA in regulating the production of NLRP3 and Nrf2 in the present study. Results: The exposure to LPS (5 μg/ml) yielded a signicant increase of apoptosis in RPTC cells, which was largely inhibited by MA pretreatment. MA attenuates renal dysfunction and ameliorates the morphological changes in the septic mice induced by CLP. MA inhibits oxidative stress, decreases serum levels of IL-1β and IL-18, and prevents tubular epithelial cells apoptosis in kidneys of CLP mice model. Data in this study also suggest that MA promotes Nrf2 expression and suppresses renal NLRP3 inammasome activation. Conclusion: In summary, MA protects against sepsis-induced AKI through NLRP3 inammasome inhibition and Nrf2 up-regulation. Thus, the mangiferin could thus be a promising candidate for development of a multi-potent drug.

Original languageEnglish (US)
Pages (from-to)441-450
Number of pages10
JournalAmerican Journal of Nephrology
Volume40
Issue number5
DOIs
StatePublished - Jan 1 2014
Externally publishedYes

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Acute Kidney Injury
Sepsis
Antioxidants
Kidney
Punctures
Ligation
Oxidative Stress
Apoptosis
mangiferin
Interleukin-18
Interleukin-1
Oxidants
Up-Regulation
Epithelial Cells
Serum
Pharmaceutical Preparations

Keywords

  • Mangiferin
  • NLRP3
  • Nrf2
  • Sepsis-induced acute kidney injury

ASJC Scopus subject areas

  • Nephrology

Cite this

Mangiferin attenuate sepsis-induced acute kidney injury via antioxidant and anti-inammatory effects. / He, Liyu; Peng, Xiaofei; Zhu, Jiefu; Chen, Xian; Liu, Hong; Tang, Chengyuan; Dong, Zheng; Liu, Fuyou; Peng, Youming.

In: American Journal of Nephrology, Vol. 40, No. 5, 01.01.2014, p. 441-450.

Research output: Contribution to journalArticle

He, Liyu ; Peng, Xiaofei ; Zhu, Jiefu ; Chen, Xian ; Liu, Hong ; Tang, Chengyuan ; Dong, Zheng ; Liu, Fuyou ; Peng, Youming. / Mangiferin attenuate sepsis-induced acute kidney injury via antioxidant and anti-inammatory effects. In: American Journal of Nephrology. 2014 ; Vol. 40, No. 5. pp. 441-450.
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