scholarly journals Total Coumarins from Hydrangea paniculata Show Renal Protective Effects in Lipopolysaccharide-Induced Acute Kidney Injury via Anti-inflammatory and Antioxidant Activities

2017 ◽  
Vol 8 ◽  
Author(s):  
Sen Zhang ◽  
Jie Ma ◽  
Li Sheng ◽  
Dongming Zhang ◽  
Xiaoguang Chen ◽  
...  
Nephrology ◽  
2017 ◽  
Vol 22 (10) ◽  
pp. 748-754 ◽  
Author(s):  
Leila Mahmoudzadeh ◽  
Houshang Najafi ◽  
Saeed Changizi Ashtiyani ◽  
Zeynab Mohamadi Yarijani

2021 ◽  
Vol 19 (4) ◽  
pp. 421-426
Author(s):  
Shan Liu ◽  
Banghao Lu

Schisantherin A, a dibenzocyclooctadiene lignan, isolated from the fruit of Schisandra sphenanthera has been widely used to exert anti-inflammatory or antioxidant activities in sepsis associated acute kidney injury and lipopolysaccharide associated acute respiratory distress syndrome. However, the protective effects of Schisantherin A against acute pneumonia in lipopolysaccharide-induced WI-38 remain to be explored. To this end, WI-38 cells were treated with lipopolysaccharide to establish an acute pneumonia model and evaluate the effect of Schisantherin A. The data show an increase in apoptosis and decrease in cell viability by lipopolysaccharide treatment that was reversed by Schisantherin A. Also, Schisantherin A dose dependently attenuated lipopolysaccharide-induced increase in proinflammatory cytokines. Lastly, expression of p65, p38 proteins, extracellular-signal-regulated kinase, and Jun N-terminal protein kinase phosphorylation were upregulated by lipopolysaccharide and decreased by Schisantherin A. In conclusion, Schisantherin A demonstrates anti-inflammatory and antiapoptotic roles in lipopolysaccharide induced WI-38 cells through inactivation of nuclear factor-kappa B/mitogen activated protein kinase pathway.


2019 ◽  
Vol 2019 ◽  
pp. 1-9 ◽  
Author(s):  
Yan Shi ◽  
Qiuju Hua ◽  
Na Li ◽  
Min Zhao ◽  
Yan Cui

Acute kidney injury (AKI) is a critical care syndrome, which is usually associated with sepsis-related endotoxemia. Evodiamine (EVO) is an active ingredient of many traditional medicinal formulations that possess a battery of biological activities. In the study, we aimed to evaluate the potential protective effect of EVO against lipopolysaccharide- (LPS-) induced AKI and cytotoxicity. LPS-resulted pathological injuries were significantly ameliorated by the administration of EVO. EVO reduced the levels of blood urea nitrogen (BUN) and creatinine in LPS-treated rats. EVO also inhibited LPS-induced reduction of cell viability in NRK-52E cells. LPS-resulting increase of TNFα and IL-1β in both serum and kidney of rats and NRK-52E cells was inhibited by EVO. LPS-induced increase of P65 NF-κB expression was markedly inhibited by EVO. EVO-induced reduction of TNFα and IL-1β expression in LPS-treated cells was blocked by overexpression of P65 NF-κB. Moreover, the increase of cell viability in LPS-treated cells induced by EVO was remarkably suppressed by overexpression of P65 NF-κB. LPS-resulting increase of reactive oxygen species (ROS) production was suppressed by EVO. H2O2 suppressed EVO-induced decrease of P65 NF-κB expression and increase of cell viability in LPS-treated NRK-52E cells. Moreover, the antioxidant NAC significantly promoted EVO-induced decrease of P65 NF-κB expression and increase of cell viability in LPS-treated NRK-52E cells. In conclusion, EVO had crucial protective effects against LPS-induced AKI and cytotoxicity through the antioxidant activities and thus the inhibition of inflammation. Our data highlight EVO as a potential candidate for the development of new strategies for the treatment of AKI.


2019 ◽  
Vol 14 (1) ◽  
Author(s):  
Meiling Zhang ◽  
Jinjun Cheng ◽  
Ziwei Sun ◽  
Hui Kong ◽  
Yue Zhang ◽  
...  

Abstract Background As an emerging nanomaterial, carbon dots (CDs) have been the focus of tremendous attention for biomedical applications. However, little information is available on their bioactivity of inhibiting acute kidney injury (AKI) induced by snake venom. Methods This study reports the development of a green, one-step pyrolysis process to synthesize CDs using Phellodendri Chinensis Cortex (PCC) as the sole precursor, and their potential application as a protectant against Deinagkistrodon acutus (D. acutus) venom-induced AKI was investigated for the first time. The AKI model was established by injecting D. acutus venom into the abdominal cavity of mice and the potential protective effects of PCC Carbonisata-CDs (PCCC-CDs) on renal abnormalities including dysfunction, inflammatory reactions, tissue damage, and thrombocytopenia at six time points (1, 3, and 12 h, and 1, 2, and 5 days) were investigated. Results These results demonstrated that PCCC-CDs significantly inhibited the kidney dysfunction (reduced serum creatinine (SCR), blood urea nitrogen (BUN), urinary total protein (UTP), and microalbuminuria (MALB) concentrations) and the production of chemoattractant (monocyte chemotactic protein 1 (MCP-1)), proinflammatory cytokines (interleukin (IL)-1β), and anti-inflammatory cytokine (IL-10) in response to intraperitoneal injection of D. acutus venom. The beneficial effect of PCCC-CDs on the envenomed mice was similar to that on the change in renal histology and thrombocytopenia. Conclusions These results demonstrated the remarkable protective effects of PCCC-CDs against AKI induced by D. acutus venom, which would not only broaden the biomedical applications of CDs but also provide a potential target for the development of new therapeutic drugs for AKI induced by D. acutus snakebite envenomation.


2012 ◽  
Vol 303 (10) ◽  
pp. F1443-F1453 ◽  
Author(s):  
Chung-Hsi Hsing ◽  
Chiou-Feng Lin ◽  
Edmund So ◽  
Ding-Ping Sun ◽  
Tai-Chi Chen ◽  
...  

Bone morphogenetic protein (BMP)-7 protects sepsis-induced acute kidney injury (AKI). Dexmedetomidine (DEX), an α2-adrenoceptor (α2-AR) agonist, has anti-inflammatory effects. We investigated the protective effects of DEX on sepsis-induced AKI and the expression of BMP-7 and histone deacetylases (HDACs). In vitro , the effects of DEX or trichostatin A (TSA, an HDAC inhibitor) on TNF-α, monocyte chemotactic protein (MCP-1), BMP-7, and HDAC mRNA expression in LPS-stimulated rat renal tubular epithelial NRK52E cells, was determined using real-time PCR. In vivo, mice were intraperitoneally injected with DEX (25 μg/kg) or saline immediately and 12 h after cecal ligation and puncture (CLP) surgery. Twenty-four hours after CLP, we examined kidney injury and renal TNF-α, MCP-1, BMP-7, and HDAC expression. Survival was monitored for 120 h. LPS increased HDAC2, HDAC5, TNF-α, and MCP-1 expression, but decreased BMP-7 expression in NRK52E cells. DEX treatment decreased the HDAC2, HDAC5, TNF-α, and MCP-1 expression, but increased BMP-7 and acetyl histone H3 expression, whose effects were blocked by yohimbine, an α2-AR antagonist. With DEX treatment, the LPS-induced TNF-α expression and cell death were attenuated in scRNAi-NRK52E but not BMP-7 RNAi-NRK52E cells. In CLP mice, DEX treatment increased survival and attenuated AKI. The expression of HDAC2, HDAC5, TNF-α, and MCP-1 mRNA in the kidneys of CLP mice was increased, but BMP-7 was decreased. However, DEX treatment reduced those changes. DEX reduces sepsis-induced AKI by decreasing TNF-α and MCP-1 and increasing BMP-7, which is associated with decreasing HDAC2 and HDAC5, as well as increasing acetyl histone H3.


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