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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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Vasudevan N, Motiwala Z, Ramesh R, Wagh SB, Shingare RD, Katte R, Anand A, Choudhary S, Kumar A, Gokhale RS, Kulkarni KA, Reddy DS. Synthesis, biological evaluation and docking studies of silicon incorporated diarylpyrroles as MmpL3 inhibitors: An effective strategy towards development of potent anti-tubercular agents. Eur J Med Chem 2023; 259:115633. [PMID: 37524010 DOI: 10.1016/j.ejmech.2023.115633] [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: 04/29/2023] [Revised: 07/03/2023] [Accepted: 07/09/2023] [Indexed: 08/02/2023]
Abstract
Growing global demand for new molecules to treat tuberculosis has created an urgent need to develop novel strategies to combat the menace. BM212 related compounds were found to be potent anti-TB agents and they inhibit mycolic acid transporter, MmpL3, a known potent drug target from Mycobacterium tuberculosis. In order to enhance their inhibitory potency, several silicon analogues of diarylpyrroles related to BM212 were designed, synthesized, and evaluated for anti-tubercular activities. In Alamar blue assay, most of the silicon-incorporated compounds were found to be more potent than the parent compound (BM212), against Mycobacterium tuberculosis (MIC = 1.7 μM, H37Rv). Docking results from the crystal structure of MmpL3 and silicon analogues as pharmacophore model also strongly correlate with the biological assays and suggest that the incorporation of silicon in the inhibitor scaffold could enhance their potency by stabilizing the hydrophobic residues at the binding pocket. The best docking hit, compound 12 showed an MIC of 0.1 μM against H37Rv with an acceptable in vitro ADME profile and excellent selectivity index. Overall, the present study indicates that, the designed silicon analogues, especially compound 12 could be a good inhibitor for an intrinsically flexible drug-binding pocket of MmpL3 and has potential for further development as anti-tubercular agents.
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Affiliation(s)
- N Vasudevan
- CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, 411008, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Zenia Motiwala
- CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, 411008, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Remya Ramesh
- CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, 411008, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Sachin B Wagh
- CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, 411008, India
| | - Rahul D Shingare
- CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, 411008, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Revansiddha Katte
- CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, 411008, India
| | - Amitesh Anand
- CSIR-Institute of Genomics and Integrative Biology, Mathura Road, New Delhi, 110025, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Sushil Choudhary
- CSIR-Indian Institute of Integrative Medicine, Post Bag No. 3, Canal Rd, Jammu, 180001, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Ajay Kumar
- CSIR-Indian Institute of Integrative Medicine, Post Bag No. 3, Canal Rd, Jammu, 180001, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Rajesh S Gokhale
- CSIR-Institute of Genomics and Integrative Biology, Mathura Road, New Delhi, 110025, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India; Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune, 411008, India; Immunometabolism Laboratory, National Institute of Immunology, Aruna Asaf Ali Marg, New Delhi, 110067, India
| | - Kiran A Kulkarni
- CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, 411008, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
| | - D Srinivasa Reddy
- CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, 411008, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
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Dasmahapatra U, Chanda K. Synthetic approaches to potent heterocyclic inhibitors of tuberculosis: A decade review. Front Pharmacol 2022; 13:1021216. [DOI: 10.3389/fphar.2022.1021216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 10/03/2022] [Indexed: 11/13/2022] Open
Abstract
Tuberculosis (TB) continues to be a significant global health concern with about 1.5 million deaths annually. Despite efforts to develop more efficient vaccines, reliable diagnostics, and chemotherapeutics, tuberculosis has become a concern to world health due to HIV, the rapid growth of bacteria that are resistant to treatment, and the recently introduced COVID-19 pandemic. As is well known, advances in synthetic organic chemistry have historically enabled the production of important life-saving medications that have had a tremendous impact on patients’ lives and health all over the world. Small-molecule research as a novel chemical entity for a specific disease target offers in-depth knowledge and potential therapeutic targets. In this viewpoint, we concentrated on the synthesis of a number of heterocycles reported in the previous decade and the screening of their inhibitory action against diverse strains of Mycobacterium tuberculosis. These findings offer specific details on the structure-based activity of several heterocyclic scaffolds backed by their in vitro tests as a promising class of antitubercular medicines, which will be further useful to build effective treatments to prevent this terrible illness.
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Bhakhar KA, Vaghela PV, Varakala SD, Chudasma SJ, Gajjar ND, Nagar PR, Sriram D, Dhameliya TM. Indole‐2‐carboxamides as New Anti‐Mycobacterial Agents: Design, Synthesis, Biological Evaluation and Molecular Modeling against mmpL3. ChemistrySelect 2022. [DOI: 10.1002/slct.202201813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Kaushikkumar A. Bhakhar
- Department of Pharmaceutical Chemistry and Quality Assurance L. M. College of Pharmacy, Navrangpura Ahmedabad 380009 Gujarat India
| | - Punit V. Vaghela
- Department of Pharmaceutical Chemistry and Quality Assurance L. M. College of Pharmacy, Navrangpura Ahmedabad 380009 Gujarat India
| | - Saiprasad D. Varakala
- Department of Pharmacy Birla Institute of Technology & Science - Pilani Hyderabad Campus, Jawahar Nagar Hyderabad 500 078 India
| | - Shrdhhaba J. Chudasma
- Department of Pharmaceutical Chemistry and Quality Assurance L. M. College of Pharmacy, Navrangpura Ahmedabad 380009 Gujarat India
| | - Normi D. Gajjar
- Department of Pharmaceutical Chemistry and Quality Assurance L. M. College of Pharmacy, Navrangpura Ahmedabad 380009 Gujarat India
| | - Prinsa R. Nagar
- Department of Pharmaceutical Chemistry and Quality Assurance L. M. College of Pharmacy, Navrangpura Ahmedabad 380009 Gujarat India
| | - Dharmarajan Sriram
- Department of Pharmacy Birla Institute of Technology & Science - Pilani Hyderabad Campus, Jawahar Nagar Hyderabad 500 078 India
| | - Tejas M. Dhameliya
- Department of Pharmaceutical Chemistry and Quality Assurance L. M. College of Pharmacy, Navrangpura Ahmedabad 380009 Gujarat India
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Ray R, Das S, Lobo M, Birangal SR, Shenoy GG. A holistic molecular modelling approach to design novel indole-2-carboxamide derivatives as potential inhibitors of MmpL3. SAR AND QSAR IN ENVIRONMENTAL RESEARCH 2022; 33:551-581. [PMID: 35850557 DOI: 10.1080/1062936x.2022.2096691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 06/28/2022] [Indexed: 06/15/2023]
Abstract
Tuberculosis is an infectious air-borne disease and one of the leading causes of death globally among all infectious diseases. There is an urgent need to develop antitubercular drugs that would be highly efficient and less toxic than the presently available marketed drugs. Mycobacterium membrane protein large 3 (MmpL3) is an emerging drug target in tuberculosis with various classes of molecules that have been known to inhibit it. In this study, a dataset of indole-2-carboxamides showing antitubercular activity by inhibiting MmpL3 was utilized. Initially, a chimera-based homology model was developed and docking was performed with the filtered dataset to analyse the interactions. Thereafter, molecular dynamics simulations were run with representative molecules to gain a better insight on the binding patterns. To attain a more quantitative correlation, an atom-based 3D QSAR model was developed which complemented the results from the previous models. A library of novel indole-2-carboxamides was then generated using core hopping-based ligand enumeration and upon screening on our workflow model it predicted three molecules as potent antitubercular compounds. This work not only helps to gain new insights on the interactions at the MmpL3 binding site but also provides novel indole-2-carboxamides having the potential to become antitubercular drugs in future.
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Affiliation(s)
- R Ray
- Department of Pharmaceutical Chemistry, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - S Das
- Department of Pharmaceutical Chemistry, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - M Lobo
- Department of Pharmaceutical Chemistry, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - S R Birangal
- Department of Pharmaceutical Chemistry, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - G G Shenoy
- Department of Pharmaceutical Chemistry, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
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Dhameliya TM, Devani AA, Patel KA, Shah KC. Comprehensive Coverage on Anti‐mycobacterial Endeavour Reported in 2021. ChemistrySelect 2022. [DOI: 10.1002/slct.202200921] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
| | - Aanal A. Devani
- L. M. College of Pharmacy, Navrangpura Ahmedabad 380 009 Gujarat India
| | - Krupa A. Patel
- L. M. College of Pharmacy, Navrangpura Ahmedabad 380 009 Gujarat India
| | - Kashvi C. Shah
- L. M. College of Pharmacy, Navrangpura Ahmedabad 380 009 Gujarat India
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Bhakhar KA, Sureja DK, Dhameliya TM. Synthetic account of indoles in search of potential anti-mycobacterial agents: A review and future insights. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.131522] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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Bajad NG, Singh SK, Singh SK, Singh TD, Singh M. Indole: A promising scaffold for the discovery and development of potential anti-tubercular agents. CURRENT RESEARCH IN PHARMACOLOGY AND DRUG DISCOVERY 2022; 3:100119. [PMID: 35992375 PMCID: PMC9389259 DOI: 10.1016/j.crphar.2022.100119] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 04/13/2022] [Accepted: 07/05/2022] [Indexed: 11/08/2022] Open
Abstract
Indole-containing small molecules have been reported to have diverse pharmacological activities. The aromatic heterocyclic scaffold, which resembles various protein structures, has received attention from organic and medicinal chemists. Exploration of indole derivatives in drug discovery has rapidly yielded a vast array of biologically active compounds with broad therapeutic potential. Nature is the major source of indole scaffolds, but various classical and advanced synthesis methods for indoles have also been reported. One-pot synthesis is widely considered an efficient approach in synthetic organic chemistry and has been used to synthesize some indole compounds. The rapid emergence of drug-resistant tuberculosis is a major challenge to be addressed. Identifying novel targets and drug candidates for tuberculosis is therefore crucial. Researchers have extensively explored indole derivatives as potential anti-tubercular agents or drugs. Indole scaffolds containing the novel non-covalent (decaprenylphosphoryl-β-D-ribose2′-epimerase) DprE1 inhibitor 1,4-azaindole is currently in clinical trials to treat Mycobacterium tuberculosis. In addition, DG167 indazole sulfonamide with potent anti-tubercular activity is undergoing early-stage development in preclinical studies. Indole bearing cationic amphiphiles with high chemical diversity have been reported to depolarize and disrupt the mycobacterial membrane. Some indole-based compounds have potential inhibitory activities against distinct anti-tubercular targets, including the inhibition of cell wall synthesis, replication, transcription, and translation, as summarized in the graphical abstract. The success of computer-aided drug design in the fields of cancer and anti-viral drugs has accelerated in silico studies in antibacterial drug development. This review describes the sources of indole scaffolds, the potential for novel indole derivatives to serve as anti-tubercular agents, in silico findings, and proposed actions to facilitate the design of novel compounds with anti-tubercular activity. The Indole derivatives emerged as an efficient bioactive compoundes with wide range of therapeutic potential. Identifying novel drug candidates with indole derivatives can curtail the rapid emergence of drug-resistant tuberculosis. The current review highlights the sources of indole scaffolds, their derivatives, and in silico findings as anti-tubercular agents. Currently, DprE1 inhibitor 1,4-azaindole and DG167 indazole sulfonamide are in clinical trials to treat Mycobacterium tuberculosis.
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Alsayed SSR, Suri A, Bailey AW, Lane S, Werry EL, Huang CC, Yu LF, Kassiou M, Sredni ST, Gunosewoyo H. Synthesis and antitumour evaluation of indole-2-carboxamides against paediatric brain cancer cells. RSC Med Chem 2021; 12:1910-1925. [PMID: 34825187 PMCID: PMC8597418 DOI: 10.1039/d1md00065a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 08/05/2021] [Indexed: 11/21/2022] Open
Abstract
Paediatric glioblastomas are rapidly growing, devastating brain neoplasms with an invasive phenotype. Radiotherapy and chemotherapy, which are the current therapeutic adjuvant to surgical resection, are still associated with various toxicity profiles and only marginally improve the course of the disease and life expectancy. A considerable body of evidence supports the antitumour and apoptotic effects of certain cannabinoids, such as WIN55,212-2, against a wide spectrum of cancer cells, including gliomas. In fact, we previously highlighted the potent cytotoxic activity of the cannabinoid ligand 5 against glioblastoma KNS42 cells. Taken together, in this study, we designed, synthesised, and evaluated several indoles and indole bioisosteres for their antitumour activities. Compounds 8a, 8c, 8f, 12c, and 24d demonstrated significant inhibitory activities against the viability (IC50 = 2.34-9.06 μM) and proliferation (IC50 = 2.88-9.85 μM) of paediatric glioblastoma KNS42 cells. All five compounds further retained their antitumour activities against two atypical teratoid/rhabdoid tumour (AT/RT) cell lines. When tested against a medulloblastoma DAOY cell line, only 8c, 8f, 12c, and 24d maintained their viability inhibitory activities. The viability assay against non-neoplastic human fibroblast HFF1 cells suggested that compounds 8a, 8c, 8f, and 12c act selectively towards the panel of paediatric brain tumour cells. In contrast, compound 24d and WIN55,212-2 were highly toxic toward HFF1 cells. Due to their structural resemblance to known cannabimimetics, the most potent compounds were tested in cannabinoid 1 and 2 receptor (CB1R and CB2R) functional assays. Compounds 8a, 8c, and 12c failed to activate or antagonise both CB1R and CB2R, whereas compounds 8f and 24d antagonised CB1R and CB2R, respectively. We also performed a transcriptional analysis on KNS42 cells treated with our prototype compound 8a and highlighted a set of seven genes that were significantly downregulated. The expression levels of these genes were previously shown to be positively correlated with tumour growth and progression, indicating their implication in the antitumour activity of 8a. Overall, the drug-like and selective antitumour profiles of indole-2-carboxamides 8a, 8c, 8f, and 12c substantiate the versatility of the indole scaffold in cancer drug discovery.
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Affiliation(s)
- Shahinda S R Alsayed
- Curtin Medical School, Faculty of Health Sciences, Curtin University Bentley Perth WA 6102 Australia
| | - Amreena Suri
- Division of Pediatric Neurosurgery, Ann and Robert H. Lurie Children's Hospital of Chicago Chicago IL 60611 USA
| | - Anders W Bailey
- Division of Pediatric Neurosurgery, Ann and Robert H. Lurie Children's Hospital of Chicago Chicago IL 60611 USA
| | - Samuel Lane
- School of Chemistry, The University of Sydney NSW 2006 Australia
| | - Eryn L Werry
- School of Chemistry, The University of Sydney NSW 2006 Australia
- Faculty of Medicine and Health, The University of Sydney NSW 2006 Australia
| | - Chiang-Ching Huang
- Department of Biostatistics, Zilber School of Public Health, University of Wisconsin Milwaukee WI 53205 USA
| | - Li-Fang Yu
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University 3663 North Zhongshan Road Shanghai 200062 China
| | - Michael Kassiou
- School of Chemistry, The University of Sydney NSW 2006 Australia
| | - Simone Treiger Sredni
- Division of Pediatric Neurosurgery, Ann and Robert H. Lurie Children's Hospital of Chicago Chicago IL 60611 USA
- Department of Surgery, Northwestern University, Feinberg School of Medicine Chicago IL 60611 USA
| | - Hendra Gunosewoyo
- Curtin Medical School, Faculty of Health Sciences, Curtin University Bentley Perth WA 6102 Australia
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