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Pakamwong B, Thongdee P, Kamsri B, Phusi N, Taveepanich S, Chayajarus K, Kamsri P, Punkvang A, Hannongbua S, Sangswan J, Suttisintong K, Sureram S, Kittakoop P, Hongmanee P, Santanirand P, Leanpolchareanchai J, Spencer J, Mulholland AJ, Pungpo P. Ligand-Based Virtual Screening for Discovery of Indole Derivatives as Potent DNA Gyrase ATPase Inhibitors Active against Mycobacterium tuberculosis and Hit Validation by Biological Assays. J Chem Inf Model 2024; 64:5991-6002. [PMID: 38993154 PMCID: PMC11323271 DOI: 10.1021/acs.jcim.4c00511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 06/26/2024] [Accepted: 07/08/2024] [Indexed: 07/13/2024]
Abstract
Mycobacterium tuberculosis is the single most important global infectious disease killer and a World Health Organization critical priority pathogen for development of new antimicrobials. M. tuberculosis DNA gyrase is a validated target for anti-TB agents, but those in current use target DNA breakage-reunion, rather than the ATPase activity of the GyrB subunit. Here, virtual screening, subsequently validated by whole-cell and enzyme inhibition assays, was applied to identify candidate compounds that inhibit M. tuberculosis GyrB ATPase activity from the Specs compound library. This approach yielded six compounds: four carbazole derivatives (1, 2, 3, and 8), the benzoindole derivative 11, and the indole derivative 14. Carbazole derivatives can be considered a new scaffold for M. tuberculosis DNA gyrase ATPase inhibitors. IC50 values of compounds 8, 11, and 14 (0.26, 0.56, and 0.08 μM, respectively) for inhibition of M. tuberculosis DNA gyrase ATPase activity are 5-fold, 2-fold, and 16-fold better than the known DNA gyrase ATPase inhibitor novobiocin. MIC values of these compounds against growth of M. tuberculosis H37Ra are 25.0, 3.1, and 6.2 μg/mL, respectively, superior to novobiocin (MIC > 100.0 μg/mL). Molecular dynamics simulations of models of docked GyrB:inhibitor complexes suggest that hydrogen bond interactions with GyrB Asp79 are crucial for high-affinity binding of compounds 8, 11, and 14 to M. tuberculosis GyrB for inhibition of ATPase activity. These data demonstrate that virtual screening can identify known and new scaffolds that inhibit both M. tuberculosis DNA gyrase ATPase activity in vitro and growth of M. tuberculosis bacteria.
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Affiliation(s)
- Bongkochawan Pakamwong
- Department
of Chemistry and Center of Excellence for Innovation in Chemistry,
Faculty of Science, Ubon Ratchathani University, Ubon Ratchathani 34190, Thailand
| | - Paptawan Thongdee
- Department
of Chemistry and Center of Excellence for Innovation in Chemistry,
Faculty of Science, Ubon Ratchathani University, Ubon Ratchathani 34190, Thailand
| | - Bundit Kamsri
- Department
of Chemistry and Center of Excellence for Innovation in Chemistry,
Faculty of Science, Ubon Ratchathani University, Ubon Ratchathani 34190, Thailand
| | - Naruedon Phusi
- Department
of Chemistry and Center of Excellence for Innovation in Chemistry,
Faculty of Science, Ubon Ratchathani University, Ubon Ratchathani 34190, Thailand
| | - Somjintana Taveepanich
- Department
of Chemistry and Center of Excellence for Innovation in Chemistry,
Faculty of Science, Ubon Ratchathani University, Ubon Ratchathani 34190, Thailand
| | - Kampanart Chayajarus
- Department
of Chemistry and Center of Excellence for Innovation in Chemistry,
Faculty of Science, Ubon Ratchathani University, Ubon Ratchathani 34190, Thailand
| | - Pharit Kamsri
- Division
of Chemistry, Faculty of Science, Nakhon
Phanom University, Nakhon
Phanom 48000, Thailand
| | - Auradee Punkvang
- Division
of Chemistry, Faculty of Science, Nakhon
Phanom University, Nakhon
Phanom 48000, Thailand
| | - Supa Hannongbua
- Department
of Chemistry, Faculty of Science, Kasetsart
University, Bangkok 10900, Thailand
| | - Jidapa Sangswan
- Department
of Biological Science, Faculty of Science, Ubon Ratchathani University, Ubon Ratchathani 34190, Thailand
| | - Khomson Suttisintong
- National
Nanotechnology Center, NSTDA, 111 Thailand Science Park, Klong
Luang, Pathum Thani 12120, Thailand
| | - Sanya Sureram
- Chulabhorn
Research Institute, Laksi, Bangkok 10210, Thailand
| | - Prasat Kittakoop
- Chulabhorn
Research Institute, Laksi, Bangkok 10210, Thailand
- Program
in Chemical Sciences, Chulabhorn Graduate
Institute, Bangkok 10210, Thailand
- Center
of Excellence on Environmental Health and Toxicology (EHT), OPS, Ministry of Higher Education, Science, Research and
Innovation, Bangkok 10210, Thailand
| | - Poonpilas Hongmanee
- Division
of Clinical Microbiology, Department of Pathology, Faculty of Medicine,
Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand
| | - Pitak Santanirand
- Division
of Clinical Microbiology, Department of Pathology, Faculty of Medicine,
Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand
| | | | - James Spencer
- School
of Cellular and Molecular Medicine, Biomedical Sciences Building, University of Bristol, Bristol BS8 1TD, U.K.
| | - Adrian J. Mulholland
- Centre
for Computational Chemistry, School of Chemistry, University of Bristol, Bristol BS8 1TS, U.K.
| | - Pornpan Pungpo
- Department
of Chemistry and Center of Excellence for Innovation in Chemistry,
Faculty of Science, Ubon Ratchathani University, Ubon Ratchathani 34190, Thailand
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Canales CSC, Pavan AR, Dos Santos JL, Pavan FR. In silico drug design strategies for discovering novel tuberculosis therapeutics. Expert Opin Drug Discov 2024; 19:471-491. [PMID: 38374606 DOI: 10.1080/17460441.2024.2319042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 02/12/2024] [Indexed: 02/21/2024]
Abstract
INTRODUCTION Tuberculosis remains a significant concern in global public health due to its intricate biology and propensity for developing antibiotic resistance. Discovering new drugs is a protracted and expensive endeavor, often spanning over a decade and incurring costs in the billions. However, computer-aided drug design (CADD) has surfaced as a nimbler and more cost-effective alternative. CADD tools enable us to decipher the interactions between therapeutic targets and novel drugs, making them invaluable in the quest for new tuberculosis treatments. AREAS COVERED In this review, the authors explore recent advancements in tuberculosis drug discovery enabled by in silico tools. The main objectives of this review article are to highlight emerging drug candidates identified through in silico methods and to provide an update on the therapeutic targets associated with Mycobacterium tuberculosis. EXPERT OPINION These in silico methods have not only streamlined the drug discovery process but also opened up new horizons for finding novel drug candidates and repositioning existing ones. The continued advancements in these fields hold great promise for more efficient, ethical, and successful drug development in the future.
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Affiliation(s)
- Christian S Carnero Canales
- School of Pharmaceutical Science, São Paulo State University (UNESP), Araraquara, Brazil
- School of Pharmacy, biochemistry and biotechnology, Santa Maria Catholic University, Arequipa, Perú
| | - Aline Renata Pavan
- School of Pharmaceutical Science, São Paulo State University (UNESP), Araraquara, Brazil
| | | | - Fernando Rogério Pavan
- School of Pharmaceutical Science, São Paulo State University (UNESP), Araraquara, Brazil
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Xu Y, Ma S, Huang Z, Wang L, Raza SHA, Wang Z. Nitrogen metabolism in mycobacteria: the key genes and targeted antimicrobials. Front Microbiol 2023; 14:1149041. [PMID: 37275154 PMCID: PMC10232911 DOI: 10.3389/fmicb.2023.1149041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Accepted: 05/05/2023] [Indexed: 06/07/2023] Open
Abstract
Nitrogen metabolism is an important physiological process that affects the survival and virulence of Mycobacterium tuberculosis. M. tuberculosis's utilization of nitrogen in the environment and its adaptation to the harsh environment of acid and low oxygen in macrophages are closely related to nitrogen metabolism. In addition, the dormancy state and drug resistance of M. tuberculosis are closely related to nitrogen metabolism. Although nitrogen metabolism is so important, limited research was performed on nitrogen metabolism as compared with carbon metabolism. M. tuberculosis can use a variety of inorganic or organic nitrogen sources, including ammonium salts, nitrate, glutamine, asparagine, etc. In these metabolic pathways, some enzymes encoded by key genes, such as GlnA1, AnsP2, etc, play important regulatory roles in the pathogenesis of TB. Although various small molecule inhibitors and drugs have been developed for different nitrogen metabolism processes, however, long-term validation is needed before their practical application. Most importantly, with the emergence of multidrug-resistant strains, eradication, and control of M. tuberculosis will still be very challenging.
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Affiliation(s)
- Yufan Xu
- Shanghai Collaborative Innovation Center of Agri-Seeds, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - Shiwei Ma
- Shanghai Collaborative Innovation Center of Agri-Seeds, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - Zixin Huang
- Shanghai Collaborative Innovation Center of Agri-Seeds, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - Longlong Wang
- Shanghai Collaborative Innovation Center of Agri-Seeds, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - Sayed Haidar Abbas Raza
- Guangdong Provincial Key Laboratory of Food Quality and Safety/Nation-Local Joint Engineering Research Center for Machining and Safety of Livestock and Poultry Products, South China Agricultural University, Guangzhou, China
| | - Zhe Wang
- Shanghai Collaborative Innovation Center of Agri-Seeds, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
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