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Research Article

Design, synthesis, docking, MD simulations, and anti-proliferative evaluation of thieno[2,3-d]pyrimidine derivatives as new EGFR inhibitors

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Article: 2220579 | Received 18 Feb 2023, Accepted 29 May 2023, Published online: 08 Jun 2023
 

Abstract

A group of EGFR inhibitors derived from thieno[2,3-d]pyrimidine nucleus was designed, synthesised, and examined as anti-proliferative lead compounds. MCF-7 and A549 cell lines were inhibited by 5b, the most active member. It had inhibitory partialities of 37.19 and 204.10 nM against EGFRWT and EGFRT790M, respectively. Compound 5b was 2.5 times safer against the WI-38 normal cell lines than erlotinib. Also, it demonstrated considerable potentialities for both early and late apoptosis induction in A549. Simultaneously, 5b arrested A549’s growth at G1 and G2/M phases. Harmoniously, 5b upregulated the BAX and downregulated the Bcl-2 genes by 3-fold and increased the BAX/Bcl-2 ratio by 8.3-fold comparing the untreated A549 cells. Molecular docking against EGFRWT and EGFRT790M indicated the correct binding modes. Furthermore, MD simulations confirmed the precise binding of 5b against the EGFR protein over 100 ns. Finally, various computational ADMET studies were carried out and indicated high degrees of drug-likeness and safety.

Acknowledgement

The authors extend their appreciation to the Research Center at AlMaarefa University for funding this work.

Disclosure statement

The authors report no conflicts of interest.

Additional information

Funding

This research was funded by Princess Nourah bint Abdulrahman University Researchers Supporting Project number (PNURSP2023R116), Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia. The authors extend their appreciation to the Research Center at AlMaarefa University for funding this work.