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Context. Brassica rapa is considered as natural source of antioxidants and is used to treat diabetes. Objective. Our study carried the impact of glucotoxicity induced in vivo and in vitro in vascular smooth muscle cells (VSMCs) in Psammomys and the therapeutic effect of Brassica rapa (AEBr). Materials and Methods. We administered a hyperglucidic diet (30% sucrose) for 9 months and a treatment for 20 days with AEBr at 100 mg/kg. VSMCs were submitted to D-Glucose (0.6%) for 48 hours and treated with AEBr (2100 μg/mL) for 24 hours. We measured, in blood metabolic parameters, the redox statues and inflammatory markers in adipose tissue. Histological study was effectuated in liver. In VSMCs, we measured markers of glucotoxicity (IRS1p Serine, AKT) inflammation (NO, MCP1, TNFα, and NF-κB) and oxidative stress (oxidants and antioxydants markers). Cell viability and apoptosis were estimated by the morphological study. Results. AEBr corrects the metabolic parameters and inflammatory and oxidative markers in blood and homogenate tissue and reduces lipid droplets in liver. It induces, in VSMCs, a significant decrease of IRS1p serine, cyt c, NO, MCP1, TNFα, NF-κB, protein, and lipid oxidation and increases cell viability, AKT, ERK1/2, catalase, and SOD activity. Conclusion. Brassica enhanced the antidiabetic, anti-inflammatory, and antioxidant defense leading to the protection of cardiovascular diseases.

evidence-based complementary and alternative medicine

Glucotoxicity Induced Oxidative Stress and Inflammation In Vivo and In Vitro in Psammomys obesus: Involvement of Aqueous Extract of Brassica rapa rapifera