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Evaluation of Novel 2-(Quinoline-2-Ylthio)Acetamide Derivatives Linked to Diphenyl-Imidazole As Α-Glucosidase Inhibitors: Insights From in Silico, in Vitro, and in Vivo Studies on Their Anti-Diabetic Properties Publisher Pubmed



Khalili Ghomi M1, 2 ; Noori M2, 3 ; Mirahmad M2 ; Iraji A4, 5 ; Sadr AS6, 7 ; Dastyafteh N2, 3 ; Asili P2 ; Gholami M8 ; Javanshir S3 ; Lotfi M9 ; Mojtabavi S10 ; Faramarzi MA10 ; Asadi M11 ; Nasliesfahani E12 Show All Authors
Authors
  1. Khalili Ghomi M1, 2
  2. Noori M2, 3
  3. Mirahmad M2
  4. Iraji A4, 5
  5. Sadr AS6, 7
  6. Dastyafteh N2, 3
  7. Asili P2
  8. Gholami M8
  9. Javanshir S3
  10. Lotfi M9
  11. Mojtabavi S10
  12. Faramarzi MA10
  13. Asadi M11
  14. Nasliesfahani E12
  15. Palimi M13
  16. Larijani B2
  17. Meshkatalsadat MH1
  18. Mahdavi M2
Show Affiliations
Authors Affiliations
  1. 1. Department of Chemistry, Qom University of Technology, Qom, Iran
  2. 2. Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Pharmaceutical and Heterocyclic Chemistry Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran, 16846-13114, Iran
  4. 4. Research Center for Traditional Medicine and History of Medicine, Department of Persian Medicine, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
  5. 5. Stem Cells Technology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
  6. 6. Computer Science Department, Mathematical Sciences Faculty, Shahid Beheshti University, Tehran, Iran
  7. 7. School of Biological Sciences, Institute for Research in Fundamental Sciences (IPM), Tehran, Iran
  8. 8. Toxicology and Diseases Specialty Group, Pharmaceutical Sciences Research Center (PSRC), Tehran University of Medical Sciences, Tehran, Iran
  9. 9. Department of Pathology, Amir-Alam Hospital, Tehran University of Medical Sciences, Tehran, Iran
  10. 10. Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
  11. 11. Department of Medicinal Chemistry, School of Pharmacy-International Campus, Iran University of Medical Science, Tehran, Iran
  12. 12. Diabetes Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
  13. 13. Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran

Source: European Journal of Medicinal Chemistry Published:2024


Abstract

The inhibition of the α-glucosidase enzyme is crucial for targeting type 2 diabetes mellitus (DM). This study introduces a series of synthetic analogs based on thiomethylacetamide-quinoline derivatives linked to diphenyl-imidazole as highly potential α-glucosidase inhibitors. Twenty derivatives were synthesized and screened in vitro against α-glucosidase, revealing IC50 values ranging from 0.18 ± 0.00 to 2.10 ± 0.07 μM, in comparison to the positive control, acarbose. Among these derivatives, compound 10c (IC50 = 0.180 μM) demonstrated the highest potency and revealed a competitive inhibitory mechanism in kinetic studies (Ki = 0.15 μM). Docking and molecular dynamic evaluations elucidated the binding mode of 10c with the active site residues of the α-glucosidase enzyme. Moreover, in vivo assessments on a rat model of DM affirmed the anti-diabetic efficacy of 10c, evidenced by reduced fasting and overall blood glucose levels. The histopathological evaluation enhanced pancreatic islet architecture and hepatocytes in liver sections. In conclusion, novel 2-(quinoline-2-ylthio)acetamide derivatives as potent α-glucosidase inhibitors were developed. Compound 10c emerged as a promising candidate for diabetes management, warranting further investigation for potential clinical applications and mechanistic insights. © 2024
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