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Myricetin encapsulated chitosan nanoformulation for management of type 2 diabetes: Preparation, optimization,
Mansi Upadhyay1, Ramakrishna V Hosur1, Abhishek Jha2
1Department of Biosciences & Bioengineering, Indian Institute of Technology Bombay, Mumbai 400076, India.
Abstract:
Type 2 diabetes mellitus (T2DM) is a serious and alarming disease attracting widespread attention. It is not a single metabolic disease; over time, it leads to serious disorders, namely, diabetic nephropathy, neuropathy, retinopathy and several cardiovascular, hepatocellular complications. The increase in T2DM cases in recent times has attracted significant attention. Currently, the medications available have side effects, and injectables are painful, causing trauma to the patients. Therefore, it is imperative to come up with oral delivery. In this background we report here a nanoformulation carrying natural small molecule Myricetin (MYR) encapsulated within Chitosan nanoparticles (CHT-NPs). MYR-CHT-NPs were prepared by ionic gelation method and evaluated using different characterization techniques. The in vitro release of MYR from CHT NPs in different physiological media showed pH dependence. in vivo pharmacodynamic study followed by oral administration in Albino Wistar rats showed better glycaemic control than existing drug. Further, the optimized nanoparticles also exhibited controlled increase in weight as compared to Metformin. The biochemistry profile of rats treated with nanoformulation reduced the levels of several pathological biomarkers, indicating additional benefits of MYR. Histopathological images exhibited no toxicity or changes in the major organs section in contrast to normal control, suggesting safe oral administration of the encapsulated MYR. Thus, we conclude that MYR-CHT-NPs represent an attractive delivery vehicle in improving the blood glucose level with controlled weight and have the potential to be safely administered orally for the management of T2DM.
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