Baicalin and chrysin mixture imparts cyto-protection against methylglyoxal induced cytotoxicity and diabetic tubular injury by modulating RAGE, oxidative stress and inflammation

Publication date: Available online 23 January 2017 Source:Environmental Toxicology and Pharmacology Author(s): Jyotsna Singh, Bhushan P. Choudhari, Poonam Kakkar Protective effect of mixture of flavonoids baicalin and chrysin (BCH) was studied against methylglyoxal (MG, a precursor of AGEs) induced cytotoxicity in NRK 52E kidney epithelial cells. Flow cytometry and microscopic analysis showed increased ROS generation, compromised antioxidant status, depolarization of mitochondria and apoptosis in MG stressed cells which was significantly transformed (p ≤0.01) during BCH co-treatment. In vivo studies in streptozotocin induced diabetic rats increased protein levels of iNOS, protein kinase C (PKC) and decreased IκB which was modulated by oral BCH treatment (75mg baicalin and 10mg chrysin/kg b.wt.). Increased levels of AGEs and their receptor proteins (RAGE) in diabetic rats were reduced significantly (p ≤0.01) in BCH treated group. Renal tubular injuries and deranged kidney function were significantly improved in BCH treated animals. The results indicate that the protection accorded by BCH through its antioxidant and anti-inflammatory effects can be explored for management of diabetic nephropathy. Graphical abstract
Source: Environmental Toxicology and Pharmacology - Category: Environmental Health Source Type: research