Cellular physiology and biochemistry : international journal of experimental cellular physiology, biochemistry, and pharmacology · 2018
Fangjifuling Ameliorates Lipopolysaccharide-Induced Renal Injury via Inhibition of Inflammatory and Apoptotic Response in Mice.
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Su Zhonghao, Yu Ping, Sheng Lanyue, Ye Jin, Qin Zhenxia
Аннотация
BACKGROUND/AIMS: Acute kidney injury (AKI) is a frequent and serious complication of sepsis; however, there is no effective treatment for it. FangJiFuling (FF) decoction is widely used to treat acute glomerulonephritis and nephritic syndrome in the clinical setting.
METHODS: On the basis of its anti-inflammatory properties, the renoprotective effect of FF on a mouse model of lipopolysaccharide (LPS)-induced AKI was investigated. Major compounds were identified in FF with high-performance liquid chromatography. A bioinformatics analysis tool was used to predict target genes. Quantitative real-time PCR and western blot analyses were performed to validate the targets. Furthermore, the expression of a target gene was silenced by small interfering RNA-mediated knockdown in vitro.
RESULTS: Bioinformatics analysis indicated that inflammation, apoptosis, and cell junction were closely related to the renoprotective effects of FF. Validation was confirmed by an in vivo test. A reduction of inflammatory cell infiltration and inflammatory cytokine mRNA expression (iNOS, NF-κB, MCP-1, and TNF-α) following the administration of FF (50 mg/kg) was observed in LPS-treated renal tissue. In addition, FF treatment suppressed mitochondrial-mediated apoptosis by regulating the Bax/Bcl-2 ratio in LPS-induced renal injury. Silencing Cx43, a cell-to-cell junction protein, was found to enhance the protective effect of FF against LPS-induced renal injury.
CONCLUSION: Our study suggests that FF exhibits a renoprotective effect against LPS-induced inflammatory and apoptotic responses. In addition, Cx43 might be involved in these processes. These findings indicate the potential role of FF as a natural renoprotective product.
METHODS: On the basis of its anti-inflammatory properties, the renoprotective effect of FF on a mouse model of lipopolysaccharide (LPS)-induced AKI was investigated. Major compounds were identified in FF with high-performance liquid chromatography. A bioinformatics analysis tool was used to predict target genes. Quantitative real-time PCR and western blot analyses were performed to validate the targets. Furthermore, the expression of a target gene was silenced by small interfering RNA-mediated knockdown in vitro.
RESULTS: Bioinformatics analysis indicated that inflammation, apoptosis, and cell junction were closely related to the renoprotective effects of FF. Validation was confirmed by an in vivo test. A reduction of inflammatory cell infiltration and inflammatory cytokine mRNA expression (iNOS, NF-κB, MCP-1, and TNF-α) following the administration of FF (50 mg/kg) was observed in LPS-treated renal tissue. In addition, FF treatment suppressed mitochondrial-mediated apoptosis by regulating the Bax/Bcl-2 ratio in LPS-induced renal injury. Silencing Cx43, a cell-to-cell junction protein, was found to enhance the protective effect of FF against LPS-induced renal injury.
CONCLUSION: Our study suggests that FF exhibits a renoprotective effect against LPS-induced inflammatory and apoptotic responses. In addition, Cx43 might be involved in these processes. These findings indicate the potential role of FF as a natural renoprotective product.