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Endocrine, Metabolic & Immune Disorders - Drug Targets

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ISSN (Print): 1871-5303
ISSN (Online): 2212-3873

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General Research Article

Evaluation of Anti-Diabetic Potential of Corn Silk in High-Fat Diet/ Streptozotocin-Induced Type 2 Diabetes Mice Model

Author(s): Li Sheng, Qian Chen, Lei Di and Ning Li*

Volume 21, Issue 1, 2021

Published on: 06 June, 2020

Page: [131 - 138] Pages: 8

DOI: 10.2174/1871530320666200606224708

Price: $65

Abstract

Background: Corn silk is the elongated stigma of the female flower of Zea mays and traditionally used to treat diabetes mellitus (DM).

Objective: To investigate the beneficial effects of corn silk extract (CSE) on HFD/STZ-induced diabetic C56BL/6J mice.

Methods: Establishment of a T2DM model through feeding HFD combined with STZ. T2DM was randomly divided into 5 groups: diabetic control mice treated with vehicle (model group, n=10), metformin- treated group (metformin: 150 mg/kg.d, n=10), three CS-treated groups (CS: 300, 600 and 1200 mg/kg.d, n=10). After four weeks of CS treatment, the body weight, FBG, IR, TC, TG, LDL-C, MDA and SOD levels of mice were measured. In addition, the liver tissue was histomorphologically analyzed by HE stain followed a light microscopy observation.

Results: 4-week CSE treatment significantly reduced FBG and enhanced the glucose tolerance; improved IR indicated by decreased HOMA-IR and elevated ISI; alleviated hyperlipidemia indicated by decreased TC, TG, LDL-C, and increased HDL-C; reduced oxidative stress by decreased MDA and elevated SOD activity; decreased hepatic lipid accumulation and prevented liver tissue morphological change in T2DM. In addition, CSE treatments effectively prevent the weight gain loss of diabetic mice.

Conclusion: These results confirmed the traditionally claimed benefits of corn silk on DM, which suggested that the corn silk possessed the anti-diabetic potential and could be further developed as a cheap and plant-derived agent for the treatment of type 2 diabetes mellitus.

Keywords: Corn silk, diabetes, high blood glucose, hyperlipidemia, insulin resistance, oxidative stress.

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