期刊
CHEMICO-BIOLOGICAL INTERACTIONS
卷 223, 期 -, 页码 125-133出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.cbi.2014.09.017
关键词
Diabetic nephropathy; Selenium nanoparticles; Apoptosis; HSP-70
资金
- Department of Biotechnology (DBT), Government of India [BT/PR13221/MED/12/448/2009]
The present study was undertaken to examine the protective effect of selenium nanoparticles (SeNPs) in the progression of diabetic nephropathy (DN). Diabetes was induced in male Sprague Dawley (SD) rats by injecting streptozotocin (STZ) (55 mg/kg, i.p). DN was then assessed by measuring blood urea nitrogen (BUN), creatinine, albumin, fibronectin and collagen. Changes in the expression of cytoprotective and apoptotic proteins in the kidney of rats were also examined. Herein we show that SeNPs effectively lowered the levels of BUN, creatinine, fibronectin and collagen and elevated the levels of albumin in diabetic rats. Histological observation corroborated with the above protective effects of SeNPs. Interestingly, SeNPs elevated the levels of heat shock protein (HSP-70), longevity protein SIRT 1 and also modulated apoptotic proteins Bax and Bc1-2 in diabetic kidney. Our data represents a paradigm shift in our understanding about the therapeutic potential of SeNPs in preventing DN by not only quenching oxidative stress but also by activating cyto-protective protein HSP70 and longevity protein SIRT1. (C) 2014 Elsevier Ireland Ltd. All rights reserved.
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