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Article Publish Status: FREE
Abstract Title:

Protective Effects of Luteolin on Lipopolysaccharide-Induced Acute Renal Injury in Mice.

Abstract Source:

Med Sci Monit. 2016 Dec 28 ;22:5173-5180. Epub 2016 Dec 28. PMID: 28029146

Abstract Author(s):

Shao-Bin Xin, Hao Yan, Jing Ma, Qiang Sun, Li Shen

Article Affiliation:

Shao-Bin Xin

Abstract:

BACKGROUND Sepsis can cause serious acute kidney injury in bacterium-infected patients, especially in intensive care patients. Luteolin, a bioactive flavonoid, has renal protection and anti-inflammatory effects. This study aimed to investigate the effect and underlying mechanism of luteolin in attenuating lipopolysaccharide (LPS)-induced renal injury. MATERIAL AND METHODS ICR mice were treated with LPS (25 mg/kg) with or without luteolin pre-treatment (40 mg/kg for three days). The renal function, histological changes, degree of oxidative stress, and tubular apoptosis in these mice were examined. The effects of luteolin on LPS-induced expression of renal tumor necrosis factor-α (TNF-α), NF-κB, MCP-1, ICAM-1, and cleaved caspase-3 were evaluated. RESULTS LPS resulted in rapid renal damage of mice, increased level of blood urea nitrogen (BUN), and serum creatinine (Scr), tubular necrosis, and increased oxidative stress, whereas luteolin pre-treatment could attenuate this renal damage and improve the renal functions significantly. Treatment with LPS increased TNF-α, NF-κB, IL-1β, cleaved caspase-3, MCP-1, and ICAM-1 expression, while these disturbed expressions were reversed by luteolin pre-treatment. CONCLUSIONS These results indicate that luteolin amelioratesLPS-mediated nephrotoxicity via improving renal oxidant status, decreasing NF-κB activation and inflammatory and apoptosis factors, and then disturbing the expression of apoptosis-related proteins.

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