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Decreased Insulin Resistance in Diabetic Patients by Influencing Sirtuin1 and Fetuin-A Following Supplementation With Ellagic Acid: A Randomized Controlled Trial Publisher



Ghadimi M1 ; Foroughi F2 ; Hashemipour S3 ; Nooshabadi MR4 ; Ahmadi MH5 ; Yari MG6 ; Kavianpour M7 ; Haghighian HK1, 3
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Authors Affiliations
  1. 1. Department of Nutrition, School of Health, Qazvin University of Medical Sciences, Qazvin, Iran
  2. 2. Department of Immunology, School of Medicine, Qazvin University of Medical Sciences, Qazvin, Iran
  3. 3. Metabolic Diseases Research Center, Research Institute for Prevention of Non-Communicable Diseases, Qazvin University of Medical Sciences, Qazvin, Iran
  4. 4. Department of Pharmacology, School of Pharmacy, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
  5. 5. Department of Laboratory Sciences, School of Allied Medical Sciences, Qazvin University of Medical Sciences, Qazvin, Iran
  6. 6. Determinants of Chemistry, Amirkabir University of Technology, Tehran, Iran
  7. 7. Department of Tissue Engineering and Applied Cell Sciences, Faculty of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran

Source: Diabetology and Metabolic Syndrome Published:2021


Abstract

Background: The beneficial effects of polyphenols have been reported. This study aimed to investigate the effect of oral Ellagic acid (EA) supplement on insulin resistance (IR) and Fetuin-A and serum sirtuin1 (SIRT1) in type 2 diabetics. Methods: In this double-blind, randomized clinical trial, 44 diabetic patients were selected. Patients were assigned to the intervention group (22 subjects) and placebo (22 subjects) and received a capsule containing 180 mg of EA per day or placebo for eight weeks, respectively. At the beginning and end of the study, anthropometric indices, fasting plasma glucose (FPG), plasma insulin level, IR, Fetuin-A, and SIRT1 were measured. Statistical analysis was performed using SPSS software. Results: At the beginning and end of the study, there was no significant difference between the two groups regarding anthropometric indices (P > 0.05). At the end of the survey, EA supplementation significantly reduced FPG, insulin, IR, and Fetuin-A and increased SIRT1 levels compared with the placebo group (P < 0.05). However, these changes were not significant in the placebo group (P > 0.05). Conclusion: EA with antioxidant properties plays an essential role in reducing the macrovascular and microvascular complications of diabetes by reducing inflammation and insulin resistance. Trial registration The protocol of this clinical trial is registered with the Iranian Registry of Clinical Trials (http://www.IRCT.IR, identifier: IRCT20141025019669N13) © 2021, The Author(s).
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