alexa Prophylactic effect of baicalein against renal dysfunction in type 2 diabetic rats.
Diabetes & Endocrinology

Diabetes & Endocrinology

Journal of Diabetes & Metabolism

Author(s): Ahad A, Mujeeb M, Ahsan H, Siddiqui WA

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Abstract Despite a tremendous advancement in the management of diabetes mellitus, diabetic nephropathy (DN) is still a significant problem for many patients with diabetes, because of the inefficacy and associated side effects of pharmacological drugs. There is a demand for new therapeutic drugs which on one hand efficiently prevent the development of DN by targeting several metabolic and inflammatory pathways, and on the other hand, are side-effect free. In recent years, many researchers have suggested that inflammation plays an important role in the development of DN, hence, NF-κB has received much attention. We investigated the nephroptotective effects of baicalein (BAC), a flavonoid, in high fat diet/streptozotocin induced type 2 diabetic Wistar rats. BAC (10 mg/kg bw/day and 20 mg/kg bw/day) treatment was given to the diabetic rats by oral gavage for 16 weeks post induction of diabetes. The effect of BAC was compared to a commercial antidiabetic drug rosiglitazone (RZ, 3 mg/kg bw/day). BAC and RZ treatment significantly lowered food intake, body weight and levels of fasting blood glucose, HbA1c and homeostasis model assessment index (HOMA-IR) in diabetic rats. Both, BAC and RZ restored normal renal function and mitigated renal oxidative stress. BAC and RZ also suppressed the activation of NF-κB, decreased expression of iNOS and TGF-β1, and ameliorated the structural changes in renal tissues. Moreover, BAC also normalized the levels of serum pro-inflammatory cytokines and liver function enzymes. However, rosiglitazone treatment produced liver toxicity as was evident from increased serum levels of liver function enzymes; ALP, SGOT and SGPT. Taken together, BAC treatment preserved renal function by anti-hyperglycemic, antioxidant and anti-inflammatory effects. Moreover, BAC was found to be more effective as compared to RZ, suggesting the efficacy of BAC in the treatment of DN. Copyright © 2014 Elsevier B.V. and Société française de biochimie et biologie Moléculaire (SFBBM). All rights reserved. This article was published in Biochimie and referenced in Journal of Diabetes & Metabolism

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