Eco-friendly Nanoparticles Synthesized from Salvia sclarea Ethanol Extract Protect against STZ-induced Diabetic Nephropathy in Rats via Antioxidant, Anti-inflammatory, and Apoptosis Mechanisms.
Yao Ma, Manjie Bao, Yanping Peng, Jieqing Gao, Jinrong Bao
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引用次数: 0
Abstract
Recent global scientific attention has been directed towards eco-friendly synthesis and versatile applications of silver nanoparticles (AgNPs) due to their effectiveness against specific cells and tissues. This study aimed to develop a green synthesis method for AgNPs using ethanolic extract from Salvia sclarea aerial parts, and to assess their protective efficacy against streptozotocin (STZ)-induced diabetic nephropathy in rats. Additionally, antioxidant, anti-inflammatory, and apoptosis studies were conducted to understand their mode of action. Characterization via ultraviolet-visible (UV-Vis) spectroscopy, infrared (IR) spectroscopy, and X-ray diffraction (XRD) confirmed the formation of ethanol extract of Salvia sclarea silver nanoparticles (EESS AgNPs), with a distinctive absorption peak at 400 nm. Scanning electron microscopy (SEM) analysis revealed predominantly spherical and quasi-spherical shapes of the synthesized nanoparticles. The treatment procedure spanned for a period of 12 weeks in diabetic rats and were evaluated for inflammatory markers (tumor necrosis factor-α, antioxidant markers (superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx) and glutathione (GSH) and apoptosis markers (Bcl-2, Bax, cleaved-caspase-3). Results demonstrated that treatment with EESS AgNPs significantly reduced blood glucose levels compared to the diabetic group. Additionally, EESS AgNPs treatment led to a significant decrease in levels of pro-inflammatory cytokines TNF-α, IL-1β, and PKC-ꞵ in renal cells. Furthermore, EESS AgNPs effectively modulated antioxidant enzyme concentrations, including GSH, SOD, GPx, and CAT, bringing them to acceptable levels. Administration of EESS AgNPs also resulted in a significant decrease in protein levels of Bax and activated caspase-3, while increasing expression of the anti-apoptotic protein Bcl-2 in renal cells of STZ-induced diabetic rats. In conclusion, EESS AgNPs demonstrate potent anti-hyperglycemic effects, potentially mitigating diabetic nephropathy by suppressing hyperglycemiainduced oxidative stress, apoptosis, and inflammation in renal cells of diabetic rats.
期刊介绍：
The J. Oleo Sci. publishes original researches of high quality on chemistry, biochemistry and science of fats and oils
such as related food products, detergents, natural products,
petroleum products, lipids and related proteins and sugars.
The Journal also encourages papers on chemistry and/or biochemistry as a major component combined with biological/
sensory/nutritional/toxicological evaluation related to agriculture and/or food.
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