Journal
FRONTIERS IN PHYSIOLOGY
Volume 12, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fphys.2021.706359
Keywords
chrysophanol; cisplatin; acute kidney injury; oxidative stress; apoptosis; inflammation
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Funding
- National Natural Science Foundation of China [81874329, 82073945]
- Scientific Research Project of Hunan Provincial Health Commission [B2013-097]
- Science and Technology Innovation Program of Hunan Province [2018SK50907]
- Fundamental Research Funds for Central Universities of Central South University [2019zzts097]
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The study demonstrated that CHR might be a novel therapy for CDDP-induced AKI by alleviating oxidative stress, apoptosis, and inflammation signaling pathway. The protective effect of CHR was observed in both mouse models and human proximal tubule epithelial cells, suggesting its potential as a therapeutic approach for AKI induced by CDDP.
Cisplatin (CDDP) is one of the most frequently prescribed chemotherapy medications. However, its nephrotoxicity which often leads to acute kidney injury (AKI), greatly limits its clinical application. Chrysophanol (CHR), a mainly active anthraquinone ingredient, possesses various biological and pharmacological activities. In this study, we aimed to investigate the underlying protective mechanisms of CHR against CDDP-induced AKI (CDDP-AKI) using C57BL/6 mouse and human proximal tubule epithelial cells. In vivo, we found that pre-treatment with CHR greatly relieved CDDP-AKI and improved the kidney function and morphology. The mechanistic studies indicated that it might alleviate CDDP-AKI by inhibiting oxidative stress, apoptosis, and IKK beta/I kappa B alpha/p65/transcription factor nuclear kappa B (NF-kappa B) inflammation signaling pathway induced by CDDP. Moreover, we found that the cell viability of HK2 cells reduced by CDDP was partially rescued by CHR pre-incubation. Flow cytometry results further indicated that CHR pre-incubation suppressed CDDP induced cellular reactive oxygen species (ROS) generation and inhibited cell apoptosis in a dose-dependent manner. In summary, our results suggested that CHR might be a novel therapy for CDDP-induced AKI.
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