Breakthrough in COVID-19 Research: New Inhibitors Show Promise Against SARS-CoV-2

Research conducted by the National Academy of Sciences of Ukraine has yielded promising results in the development of new inhibitors against the SARS-CoV-2 virus. The study employed a multitask machine learning approach to evaluate the antiviral effectiveness of different chemical compounds against the main protease (M) of the virus. The results showed that 13 compounds, identified by the QSAR models as having high anti-M activity, were subsequently tested in vitro as protease inhibitors, with the highest inhibitory activity observed in an ionic liquid derived from pyridine (16) and two imidazole-based compounds.

Key Takeaways:

  • The research employed a multitask machine learning approach to evaluate the antiviral effectiveness of different chemical compounds against the main protease (M) of the SARS-CoV-2 virus.
  • The study identified 13 compounds with high anti-M activity, which were subsequently tested in vitro as protease inhibitors.
  • The highest inhibitory activity was observed in an ionic liquid derived from pyridine (16) and two imidazole-based compounds, with an IC of 25.15 mM and 26.2 mM, respectively.
  • The research concluded that these compounds are promising candidates for further research as potential anti-SARS-CoV-2 agents.
  • The study involved a collaboration between researchers from the National Academy of Sciences of Ukraine and the V.P. Kukhar Institute of Bioorganic Chemistry and Petrochemistry.
  • The research has been peer-reviewed and published in the Biochemical and Biophysical Research Communications journal.

Statistics:

  • The study used a dataset of 2844 compounds with antiviral activity measured as the EC against SARS-CoV-2.
  • The predictive performance of the QSAR models was rigorously validated using both cross-validation and external test sets.
  • The 13 compounds identified with high anti-M activity were tested in vitro as protease inhibitors.
  • The highest inhibitory activity was observed in an ionic liquid derived from pyridine (16) with an IC of 25.15 mM, and in two imidazole-based compounds with an IC of 26.2 mM.

Sources:

  • National Academy of Sciences of Ukraine, 2025, Ionic liquids and lysosomotropic detergents as inhibitors of the SARS-CoV-2 main protease: QSAR modeling, synthesis and biological testing, Biochemical and Biophysical Research Communications, vol. 777, pp. 152276.
  • Academic Press Inc Elsevier Science, publisher of the Biochemical and Biophysical Research Communications journal.