Design, Synthesis and Biological Evaluation of 1,3,5-Triazine Derivatives Targeting hA1 and hA3 Adenosine Receptor

Sujin Park, Yujin Ahn, Yongchan Kim, Eun Joo Roh, Yoonji Lee, Chaebin Han, Hee Min Yoo, Jinha Yu

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Adenosine mediates various physiological activities in the body. Adenosine receptors (ARs) are widely expressed in tumors and the tumor microenvironment (TME), and they induce tumor proliferation and suppress immune cell function. There are four types of human adenosine receptor (hARs): hA1, hA2A, hA2B, and hA3. Both hA1 and hA3 AR play an important role in tumor proliferation. We designed and synthesized novel 1,3,5-triazine derivatives through amination and Suzuki coupling, and evaluated them for binding affinities to each hAR subtype. Compounds 9a and 11b showed good binding affinity to both hA1 and hA3 AR, while 9c showed the highest binding affinity to hA1 AR. In this study, we discovered that 9c inhibits cell viability, leading to cell death in lung cancer cell lines. Flow cytometry analysis revealed that 9c caused an increase in intracellular reactive oxygen species (ROS) and a depolarization of the mitochondrial membrane potential. The binding mode of 1,3,5-triazine derivatives to hA1 and hA3 AR were predicted by a molecular docking study.

Original languageEnglish
Article number4016
JournalMolecules
Volume27
Issue number13
DOIs
StatePublished - 1 Jul 2022

Bibliographical note

Funding Information:
Funding: This research was supported by the Ministry of Science and ICT (MSIT), National Research Foundation of Korea (NRF-2022R1C1C1004804 and 2020R1A4A4079494) and the Korea Institute of Science and Technology (KIST) to J.Y. In addition, this work was also supported by the “Establishment of measurement standards for Chemistry and Radiation”, grant number KRISS-2022-GP2022-0003 funded by the Korea Research Institute of Standards and Science and Ministry of Science and ICT (MSIT), National Research Foundation of Korea (NRF-2021M3C1C3097638) to H.M.Y.

Publisher Copyright:
© 2022 by the authors. Licensee MDPI, Basel, Switzerland.

Keywords

  • 1,3,5-triazine
  • adenosine receptor
  • antitumor agents
  • dual ligand
  • molecular docking

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