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Abstract Title:

Ginsenoside Rg3 attenuates cisplatin-induced kidney injury through inhibition of apoptosis and autophagy-inhibited NLRP3.

Abstract Source:

J Biochem Mol Toxicol. 2021 Aug 23:e22896. Epub 2021 Aug 23. PMID: 34423507

Abstract Author(s):

Jinghui Zhai, Huan Gao, Shuo Wang, Sixi Zhang, Xiaoyu Qu, Yueming Zhang, Lina Tao, Jingmeng Sun, Yanqing Song, Li Fu

Article Affiliation:

Jinghui Zhai

Abstract:

The NOD-like receptor family pyrin domain-containing (NLRP3) inflammasomes is centrally implicated in cisplatin (CP)-induced kidney injury. Autophagy is critical for inhibiting production of NLRP3 protein that effectively reduces the inflammatory response. Ginsenoside Rg3 (SY), an active component extracted from ginseng, is reported to protect against CP-induced nephrotoxicity. However, the mechanisms underlying renoprotection by SY have not been established to date. Our results indicate that SY attenuated CP-induced apoptosis and damage in vivo and in vitro, as evidenced by increased cell viability, decreased the proportion of late apoptotic cells, elevated mitochondrial membrane potential, and ameliorated histopathological damage of the kidney. SY ameliorated CP-induced human renal tubular (HK-2) cells and kidney injury through upregulation of LC3II/I and beclin-1, inhibition of p62, NLRP3, ASC, caspase-1, and interleukin-1β. However, blockade of autophagy by 3-methyladenine reversed the suppression of SY on NLRP3 inflammasome activation and the protection of SY on HK-2 cells. Our collective results support the utility of SY as a therapeutic agent that effectively protects against CP-induced kidney injury by activating the autophagy-mediated NLRP3 inhibition pathway.

Study Type : Animal Study

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