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Design, Synthesis, Biological Evaluation, and in Silico Studies of Novel N-Substituted-2-(3,4,5-Trimethoxyphenyl)-1H-Benzo[D]Imidazole-6-Carboxamides As Promising Anticancer Agents Publisher



Dastyafteh N1 ; Negahdaripour M2, 3 ; Sayahi MH4 ; Emami M2 ; Ghasemi Y2, 3 ; Safaei E5 ; Azizian H6 ; Pakrouh Jahromi Z2, 3 ; Asadi M6 ; Mohajeritehrani MR1 ; Zare F2 ; Shahidi M7 ; Pooraskari Z7 ; Sajjadijazi SM1 Show All Authors
Authors
  1. Dastyafteh N1
  2. Negahdaripour M2, 3
  3. Sayahi MH4
  4. Emami M2
  5. Ghasemi Y2, 3
  6. Safaei E5
  7. Azizian H6
  8. Pakrouh Jahromi Z2, 3
  9. Asadi M6
  10. Mohajeritehrani MR1
  11. Zare F2
  12. Shahidi M7
  13. Pooraskari Z7
  14. Sajjadijazi SM1
  15. Larijani B1
  16. Mahdavi M1
  17. Ranjbar S2
Show Affiliations
Authors Affiliations
  1. 1. Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
  3. 3. Department of Pharmaceutical Biotechnology, School of Pharmacy, Shiraz University of Medical Sciences, Iran
  4. 4. Department of Chemistry, Payame Noor University, Tehran, Iran
  5. 5. School of Chemistry, College of Science, University of Tehran, Tehran, Iran
  6. 6. Department of Medicinal Chemistry, School of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
  7. 7. Department of Hematology and Blood Transfusion, School of Allied Medicine, Iran University of Medical Sciences, Tehran, Iran

Source: RSC Advances Published:2024


Abstract

Novel benzimidazole-based derivatives were synthesized and their cytotoxic activities were evaluated against two human cancer cells, SW480 and A549, and the normal human MRC-5 cells, using the MTT assay. N-(2,4-Dimethoxyphenyl)-2-(3,4,5-trimethoxyphenyl)-1H-benzo[d]imidazole-6-carboxamide (5o) showed excellent cytotoxicity with IC50 values of 0.15 ± 0.01 and 3.68 ± 0.59 μM against A549 and SW480. Compound 5o had 38.5-, 62.9- and 3.1-fold superior cytotoxicity than cisplatin (IC50 = 5.77 ± 1.60 μM), etoposide (IC50 = 9.44 ± 1.98 μM), and doxorubicin (IC50 = 0.46 ± 0.02 μM), respectively against A549 cells. Moreover, 5o exhibited high selectivity towards A549 (SI = 794.6) and SW480 (SI = 32.4) cancer cells compared with the normal MRC-5. Further studies revealed the ability of 5o to induce apoptosis and arrest the cell cycle at the S phase in A549 cells. Molecular docking studies revealed 5o was well accommodated within the pocket of topoisomerase IIα-DNA, as a possible target. Molecular dynamics simulation studies confirmed the stability of the 5o-IIα-DNA complex. Compound 5o was predicted to have appropriate drug-likeness and pharmacokinetic properties. © 2024 The Royal Society of Chemistry.