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β-Lapachone protects against doxorubicin-induced nephrotoxicity via NAD+/AMPK/NF-kB in mice
Update time:2019-01-30 19:07:04   【 Font: Large  Medium Small


beta-Lapachone (B-LAP) is a natural naphtaquinone with established anti-oxidative stress and anti-cancer activities. We aimed to investigate B-LAP protective potential against doxorubicin (DOX)-induced nephrotoxicity in mice. The mice received an oral dose of B-LAP followed by a single intraperitoneal injection of 20 mg/kg DOX a day later. They were then treated for 4 days with 1.25 mg/kg, 2.5 mg/kg, and 5 mg/kg doses of B-LAP. Renal levels of NAD+/NADH ratios, p-AMPK alpha, p-NF-kB p65, inducible nitric oxide synthase (iNOS), tumor necrosis factor alpha (TNF-alpha), interleukin 6 (IL-6) along with renal expressions of TNF-alpha, IL-1beta, and IL-6 were examined. Serum levels of kidney function markers as well as renal histopathology were also investigated. In addition to increasing the activities of p-AMPK alpha, B-LAP elevated NAD+/NADH ratios in the kidneys and decreased the renal levels of nuclear p-NF-kB and its correspondent downstream effectors TNF-alpha, IL-1beta, IL-6, and iNOS in the kidneys. Also, B-LAP effectively ameliorated renal architectural changes and attenuated serum levels of urea, creatinine, and cystatin C. Collectively, these findings suggest the protective actions of B-LAP against DOX-induced nephrotoxicity in mice.

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Source:Naunyn-Schmiedeberg Archives of Pharmacology      by D Sanajou, V Hosseini, Y Marandi, et al.
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