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Article Publish Status: FREE
Abstract Title:

Protective effect of Korean Red Ginseng against FK506-induced damage in LLC-PK1 cells.

Abstract Source:

J Ginseng Res. 2017 Jul ;41(3):284-289. Epub 2016 May 24. PMID: 28701868

Abstract Author(s):

Dahae Lee, Ki Sung Kang, Jae Sik Yu, Jung-Yoon Woo, Gwi Seo Hwang, Dae-Woon Eom, Seung-Hoon Baek, Hye Lim Lee, Ki Hyun Kim, Noriko Yamabe

Article Affiliation:

Dahae Lee

Abstract:

BACKGROUND: Compound FK506 is an immunosuppressant agent that is frequently used to prevent rejection of solid organs upon transplant. However, nephrotoxicity due to apoptosis and inflammatory response mediated by FK506 limit its usefulness. In this study, the protective effect of Korean Red Ginseng (KRG) against FK506-induced damage in LLC-PK1 pig kidney epithelial cells was investigated.

METHODS: LLC-PK1 cells were exposed to FK506 with KRG and cell viability was measured. Western blotting and RT-PCR analyses evaluated protein expression of MAPKs, caspase-3, and KIM-1. TLR-4 gene expression was assessed. Caspase-3 activities were also determined. The number of apoptotic cells was measured using an image-based cytometric assay.

RESULTS: The reduction in LLC-PK1 cell viability by 60μM FK506 was recovered by KRG cotreatment in a dose-dependent manner. The phosphorylation of p38, p44/42 MAPKs (ERK), KIM-1, cleaved caspase-3, and TLR-4 mRNA expression was increased markedly in LLC-PK1 cells treated with 60μM FK506. However, with the exception of p-ERK, elevated levels of p-p38,KIM-1, cleaved caspase-3, and TLR-4 mRNA expression were significantly decreased after cotreatment with KRG. Activity level of caspase-3 was also attenuated by KRG cotreatment. Moreover, image-based cytometric assay showed that apoptotic cell death was increased by 60μM FK506 treatment, whereas itwas decreased after cotreatment with KRG.

CONCLUSION: Taken together, these results suggest that the molecular mechanism of KRG in the FK506-induced nephrotoxicity may lead to the development of an adjuvant for the inhibition of adverse effect FK506 in the kidney.

Study Type : In Vitro Study

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Sayer Ji
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