Abstract
Diabetic nephropathy (DN) is an important complication of diabetes and is the main cause of end-stage renal disease. The pathogenesis of DN is complex, including glucose and lipid metabolism disorder, inflammation, and so on. Novel hybrid micelles loaded Puerarin (Pue) based on Angelica sinensis polysaccharides (ASP) and Astragalus polysaccharide (APS) were fabricated with pH-responsive ASP-hydrazone-ibuprofen (BF) materials (ASP-HZ-BF, SHB) and sialic acid (SA) modified APS-hydrazone-ibuprofen materials (SA/APS-HZ-BF, SPHB) by thin-film dispersion method. The SA in hybrid micelles can specifically bind to the E-selectin receptor which is highly expressed in inflammatory vascular endothelial cells. The loaded Pue could be accurately delivered to the inflammatory site of the kidney in response to the low pH microenvironment. Overall, this study provides a promising strategy for developing hybrid micelles based on natural polysaccharides for the treatment of diabetic nephropathy by inhibiting renal inflammatory reactions, and antioxidant stress.
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