2. Academic Validation
  3. Design and Development of Lysyl tRNA Synthetase Inhibitors, for the Treatment of Tuberculosis

Design and Development of Lysyl tRNA Synthetase Inhibitors, for the Treatment of Tuberculosis

  • J Med Chem. 2025 Aug 14;68(15):16459-16482. doi: 10.1021/acs.jmedchem.5c01331.
Susan H Davis 1,  Michael Mathieson 1,  Kirsteen I Buchanan 1,  Alice Dawson 1,  Alasdair Smith 1,  Mattia Cocco 1,  Fabio K Tamaki 1,  John M Post 1,  Beatriz Baragaña 1,  Chimed Jansen 1,  Michael Kiczun 1,  Fabio Zuccotto 1,  Gavin Wood 1,  Paul Scullion 1,  Peter C Ray 1,  Ola Epemolu 1,  Eva Maria Lopez-Román 2,  Laura Guijarro López 2,  Curtis A Engelhart 3,  Jia Kim 3,  Paula A Pino 3,  Dirk Schnappinger 3,  Kevin D Read 1,  Lourdes Encinas 2,  Robert H Bates 2,  Paul G Wyatt 1,  Simon R Green 1,  Laura A T Cleghorn 1
Affiliations

Affiliations

  • 1 Drug Discovery Unit, Division of Biological Chemistry and Drug Discovery, College of Life Sciences, University of Dundee, DD1 5EH Dundee, U.K.
  • 2 Global Health Medicines R&D, GlaxoSmithKline, Severo Ochoa 2, Tres Cantos, 28760 Madrid, Spain.
  • 3 Dept. of Microbiology and Immunology, Weill Cornell Medical College, New York, New York 10065, United States.
PMID: 40749104 DOI: 10.1021/acs.jmedchem.5c01331
Abstract

There is currently a public health crisis due to the rise of multidrug-resistant tuberculosis cases, as well as the rise in the number of deaths from tuberculosis. To achieve the United Nations Sustainable Development Goal of ending the tuberculosis epidemic by 2030, new treatments are urgently required. We previously reported the discovery of 49, a preclinical candidate that acted through inhibition of the Mycobacterium tuberculosis lysyl tRNA synthetase (LysRS). In this report, the full medicinal chemistry program is reviewed from the original hit through to the optimized lead. The work was guided by the first crystal structures of M. tuberculosis LysRS. The physicochemical and pharmacokinetic properties were optimized to afford compounds suitable for evaluation in mouse efficacy models of tuberculosis and with the potential for clinical development.

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