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Dhulap A, Banerjee P. Pharmacophore based virtual screening & molecular docking approach for identification of mycobacterial membrane protein large 3 (MmpL3) inhibitors. J Biomol Struct Dyn 2023; 41:11062-11077. [PMID: 36571432 DOI: 10.1080/07391102.2022.2159876] [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: 02/17/2022] [Accepted: 12/12/2022] [Indexed: 12/27/2022]
Abstract
Tuberculosis (TB) disease continues to remain one of the global threats for mankind. Till date many antibacterial compounds have been identified to target mycobacterium tuberculosis (MTB). However, the mutating nature of the mycobacteria has always posed a challenge for designing newer drugs which can target both the non-mutating and mutating forms of TB. In this process, Mycobacterial membrane protein Large 3 (MmpL3) transporter was identified as one of the key targets for inhibiting tuberculosis. Herein we have made an effort to find potential inhibitors against MmpL3 by using a pharmacophore-based virtual screening workflow, followed by molecular docking studies and molecular dynamic simulations. Based on a set of 220 compounds showing anti-tubercular activity proposed to target MmpL3 transporter with MIC values ranging from 0.003 to 737 μM, a 5-point pharmacophore ADHHR_2 model possessing one hydrogen acceptor, one hydrogen donor, two hydrophobic groups and an aromatic ring system was generated. The model validated by enrichment study was used to screen Asinex and DrugBank database to identify a potential lead compound such as DrugBank_6059 that was found to show better binding affinity (-11.36) and hydrophobic interactions with target protein in comparison to standard drug SQ109.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Abhijeet Dhulap
- Academy of Scientific and Innovative Research (AcSIR), CSIR- Human Resource Development Centre, (CSIR-HRDC) Campus, Ghaziabad, Uttar Pradesh, India
- CSIR Unit for Research and Development of Information Products, Pune, Maharashtra, India
| | - Paromita Banerjee
- Academy of Scientific and Innovative Research (AcSIR), CSIR- Human Resource Development Centre, (CSIR-HRDC) Campus, Ghaziabad, Uttar Pradesh, India
- CSIR Unit for Research and Development of Information Products, Pune, Maharashtra, India
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2
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Ahmed S, Mital A, Akhir A, Saxena D, Ahmad MN, Dasgupta A, Chopra S, Jain R. Pyrrole-thiazolidinone hybrids as a new structural class of broad-spectrum anti-infectives. Eur J Med Chem 2023; 260:115757. [PMID: 37659197 DOI: 10.1016/j.ejmech.2023.115757] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 08/16/2023] [Accepted: 08/23/2023] [Indexed: 09/04/2023]
Abstract
A series of pyrrole-thiazolidinone hybrids was designed, synthesized and evaluated for activities against ESKAP bacteria panel and mycobacterial pathogens. From the series, compound 9d showed prominent activity against S. aureus (MIC = 0.5 μg/mL) and compound 9k showed the most promising activity against M. tuberculosis H37Rv (MIC = 0.5 μg/mL). Potent derivatives were found to be non-toxic when tested against Vero cells. Compound 9d upon evaluation in vitro against several MRSA and VRSA strains produced activity comparable or better than standard drugs. In the anti-biofilm assay, 9d reduced S. aureus biofilm by >11% at 10x MIC. The dual inhibitory effect exhibited by pyrrole-thiazolidinone hybrids confirms their potential as new class of promising anti-infective agents.
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Affiliation(s)
- Shujauddin Ahmed
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Sector 67, S.A.S. Nagar, Punjab, 160 062, India
| | - Alka Mital
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Sector 67, S.A.S. Nagar, Punjab, 160 062, India
| | - Abdul Akhir
- Division of Molecular Microbiology and Immunology, Central Drug Research Institute (CSIR-CDRI), Sector 10, Jankipuram Extension, Sitapur Road, Lucknow, Uttar Pradesh, 226 031, India
| | - Deepanshi Saxena
- Division of Molecular Microbiology and Immunology, Central Drug Research Institute (CSIR-CDRI), Sector 10, Jankipuram Extension, Sitapur Road, Lucknow, Uttar Pradesh, 226 031, India
| | - Mohammad Naiyaz Ahmad
- Division of Molecular Microbiology and Immunology, Central Drug Research Institute (CSIR-CDRI), Sector 10, Jankipuram Extension, Sitapur Road, Lucknow, Uttar Pradesh, 226 031, India
| | - Arunava Dasgupta
- Division of Molecular Microbiology and Immunology, Central Drug Research Institute (CSIR-CDRI), Sector 10, Jankipuram Extension, Sitapur Road, Lucknow, Uttar Pradesh, 226 031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201 002, India
| | - Sidharth Chopra
- Division of Molecular Microbiology and Immunology, Central Drug Research Institute (CSIR-CDRI), Sector 10, Jankipuram Extension, Sitapur Road, Lucknow, Uttar Pradesh, 226 031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201 002, India.
| | - Rahul Jain
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Sector 67, S.A.S. Nagar, Punjab, 160 062, India.
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3
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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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4
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Fessler J, Junge K, Beller M. Applying green chemistry principles to iron catalysis: mild and selective domino synthesis of pyrroles from nitroarenes. Chem Sci 2023; 14:11374-11380. [PMID: 37886090 PMCID: PMC10599485 DOI: 10.1039/d3sc02879h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 08/02/2023] [Indexed: 10/28/2023] Open
Abstract
An efficient and general cascade synthesis of pyrroles from nitroarenes using an acid-tolerant homogeneous iron catalyst is presented. Initial (transfer) hydrogenation using the commercially available iron-Tetraphos catalyst is followed by acid catalysed Paal-Knorr condensation. Both formic acid and molecular hydrogen can be used as green reductants in this process. Particularly, under transfer hydrogenation conditions, the homogeneous catalyst shows remarkable reactivity at low temperatures, high functional group tolerance and excellent chemoselectivity transforming a wide variety of substrates. Compared to classical heterogeneous catalysts, this system presents complementing reactivity, showing none of the typical side reactions such as dehalogenation, debenzylation, arene or olefin hydrogenation. It thereby enhances the chemical toolbox in terms of orthogonal reactivity. The methodology was successfully applied to the late-stage modification of multi-functional drug(-like) molecules as well as to the one-pot synthesis of the bioactive agent BM-635.
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Affiliation(s)
- Johannes Fessler
- Leibniz-Institut für Katalyse e.V. (LIKAT) Albert-Einstein-Straße 29a 18059 Rostock Germany
| | - Kathrin Junge
- Leibniz-Institut für Katalyse e.V. (LIKAT) Albert-Einstein-Straße 29a 18059 Rostock Germany
| | - Matthias Beller
- Leibniz-Institut für Katalyse e.V. (LIKAT) Albert-Einstein-Straße 29a 18059 Rostock Germany
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5
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Kim H, Shin SJ. Revolutionizing control strategies against Mycobacterium tuberculosis infection through selected targeting of lipid metabolism. Cell Mol Life Sci 2023; 80:291. [PMID: 37704889 PMCID: PMC11072447 DOI: 10.1007/s00018-023-04914-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 04/12/2023] [Accepted: 08/07/2023] [Indexed: 09/15/2023]
Abstract
Lipid species play a critical role in the growth and virulence expression of Mycobacterium tuberculosis (Mtb), the causative agent of tuberculosis (TB). During Mtb infection, foamy macrophages accumulate lipids in granulomas, providing metabolic adaptation and survival strategies for Mtb against multiple stresses. Host-derived lipid species, including triacylglycerol and cholesterol, can also contribute to the development of drug-tolerant Mtb, leading to reduced efficacy of antibiotics targeting the bacterial cell wall or transcription. Transcriptional and metabolic analyses indicate that lipid metabolism-associated factors of Mtb are highly regulated by antibiotics and ultimately affect treatment outcomes. Despite the well-known association between major antibiotics and lipid metabolites in TB treatment, a comprehensive understanding of how altered lipid metabolites in both host and Mtb influence treatment outcomes in a drug-specific manner is necessary to overcome drug tolerance. The current review explores the controversies and correlations between lipids and drug efficacy in various Mtb infection models and proposes novel approaches to enhance the efficacy of anti-TB drugs. Moreover, the review provides insights into the efficacious control of Mtb infection by elucidating the impact of lipids on drug efficacy. This review aims to improve the effectiveness of current anti-TB drugs and facilitate the development of innovative therapeutic strategies against Mtb infection by making reverse use of Mtb-favoring lipid species.
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Affiliation(s)
- Hagyu Kim
- Department of Microbiology, Institute for Immunology and Immunological Disease, Graduate School of Medical Science, Brain Korea 21 Project, Yonsei University College of Medicine, Seoul, South Korea
| | - Sung Jae Shin
- Department of Microbiology, Institute for Immunology and Immunological Disease, Graduate School of Medical Science, Brain Korea 21 Project, Yonsei University College of Medicine, Seoul, South Korea.
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6
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Kim SK, Dickinson MS, Finer-Moore J, Guan Z, Kaake RM, Echeverria I, Chen J, Pulido EH, Sali A, Krogan NJ, Rosenberg OS, Stroud RM. Structure and dynamics of the essential endogenous mycobacterial polyketide synthase Pks13. Nat Struct Mol Biol 2023; 30:296-308. [PMID: 36782050 PMCID: PMC10312659 DOI: 10.1038/s41594-022-00918-0] [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: 02/08/2022] [Accepted: 12/21/2022] [Indexed: 02/15/2023]
Abstract
The mycolic acid layer of the Mycobacterium tuberculosis cell wall is essential for viability and virulence, and the enzymes responsible for its synthesis are targets for antimycobacterial drug development. Polyketide synthase 13 (Pks13) is a module encoding several enzymatic and transport functions that carries out the condensation of two different long-chain fatty acids to produce mycolic acids. We determined structures by cryogenic-electron microscopy of dimeric multi-enzyme Pks13 purified from mycobacteria under normal growth conditions, captured with native substrates. Structures define the ketosynthase (KS), linker and acyl transferase (AT) domains at 1.8 Å resolution and two alternative locations of the N-terminal acyl carrier protein. These structures suggest intermediate states on the pathway for substrate delivery to the KS domain. Other domains, visible at lower resolution, are flexible relative to the KS-AT core. The chemical structures of three bound endogenous long-chain fatty acid substrates were determined by electrospray ionization mass spectrometry.
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Affiliation(s)
- Sun Kyung Kim
- Department of Biochemistry and Biophysics, University of California San Francisco, San Francisco, CA, USA
| | - Miles Sasha Dickinson
- Department of Biochemistry and Biophysics, University of California San Francisco, San Francisco, CA, USA
- Chemistry and Chemical Biology Graduate Program, University of California San Francisco, San Francisco, CA, USA
| | - Janet Finer-Moore
- Department of Biochemistry and Biophysics, University of California San Francisco, San Francisco, CA, USA
| | - Ziqiang Guan
- Department of Biochemistry, Duke University Medical Center, Durham, NC, USA
| | - Robyn M Kaake
- Gladstone Institute of Data Science and Biotechnology, J. David Gladstone Institutes, San Francisco, CA, USA
- Department of Cellular and Molecular Pharmacology, University of California San Francisco, San Francisco, CA, USA
- Quantitative Biosciences Institute, University of California San Francisco, San Francisco, CA, USA
| | - Ignacia Echeverria
- Department of Cellular and Molecular Pharmacology, University of California San Francisco, San Francisco, CA, USA
- Quantitative Biosciences Institute, University of California San Francisco, San Francisco, CA, USA
| | - Jen Chen
- Department of Biochemistry and Biophysics, University of California San Francisco, San Francisco, CA, USA
| | - Ernst H Pulido
- Gladstone Institute of Data Science and Biotechnology, J. David Gladstone Institutes, San Francisco, CA, USA
| | - Andrej Sali
- Department of Bioengineering and Therapeutic Sciences, University of California San Francisco, San Francisco, CA, USA
| | - Nevan J Krogan
- Gladstone Institute of Data Science and Biotechnology, J. David Gladstone Institutes, San Francisco, CA, USA
- Department of Cellular and Molecular Pharmacology, University of California San Francisco, San Francisco, CA, USA
- Quantitative Biosciences Institute, University of California San Francisco, San Francisco, CA, USA
| | - Oren S Rosenberg
- Department of Biochemistry and Biophysics, University of California San Francisco, San Francisco, CA, USA.
- Department of Medicine, Division of Infectious Diseases, University of California San Francisco, San Francisco, CA, USA.
| | - Robert M Stroud
- Department of Biochemistry and Biophysics, University of California San Francisco, San Francisco, CA, USA.
- Chemistry and Chemical Biology Graduate Program, University of California San Francisco, San Francisco, CA, USA.
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Wunnava AUR, Kurati SP, Eswar Kumar K, Muthyala MKK. Design, synthesis and evaluation of 1-(1,5-bis(4-substituted phenyl)-2-methyl-1 H-pyrrol-3-yl)- N-methylmethanamines as SERT inhibitors with potential antidepressant action. RSC Med Chem 2023; 14:393-402. [PMID: 36846366 PMCID: PMC9945855 DOI: 10.1039/d2md00243d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Accepted: 10/09/2022] [Indexed: 01/27/2023] Open
Abstract
BM212 is a potent anti-TB agent with pharmacophoric features similar to the antidepressant drug sertraline. The shape-based virtual screening of the DrugBank database on BM212 resulted in the identification of several CNS drugs with appreciable Tanimoto scores. The docking simulations also ascertained the selectivity of BM212 towards the serotonin reuptake transporter protein (SERT) with a docking score of -6.51 kcal mol-1. Based on the SAR data available for sertraline and other antidepressant drugs, we designed, synthesized and screened twelve 1-(1,5-bis(4-substituted phenyl)-2-methyl-1H-pyrrol-3-yl)-N-methylmethanamines (SA-1 to SA-12) for in vitro SERT inhibition and in vivo antidepressant activity. The compounds were screened for in vitro 5HT reuptake inhibition using the platelet model. Among the screened compounds, (1-(1,5-bis(4-chlorophenyl)-2-methyl-1H-pyrrol-3-yl)-N-methylmethanamine) showed the same serotonin uptake inhibition (absorbance 0.22) as that of the standard drug sertraline (absorbance 0.22). BM212 had an effect on 5-HT uptake, albeit a weaker one compared to the standard (absorbance 0.671). Further, SA-5 was screened for in vivo antidepressant activity using the unpredictable chronic mild stress (UCMS) protocol to induce depression in mice. The effect of BM212 and SA-5 on the behaviour of the animals was assessed and compared against the standard drug sertraline. SA-5 at 20 mg per kg body weight was found to have a statistically significant impact on the behaviour of depressed animals.
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Affiliation(s)
- Anjani Uma Rani Wunnava
- Pharmaceutical Chemistry Research Lab, Andhra University College of Pharmaceutical Science, Andhra University Visakhapatnam India
| | - Sony Priya Kurati
- Pharmaceutical Chemistry Research Lab, Andhra University College of Pharmaceutical Science, Andhra University Visakhapatnam India
| | - Kilari Eswar Kumar
- Pharmacology Department, Andhra University College of Pharmaceutical Science, Andhra University Visakhapatnam India
| | - Murali Krishna Kumar Muthyala
- Pharmaceutical Chemistry Research Lab, Andhra University College of Pharmaceutical Science, Andhra University Visakhapatnam India
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8
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Williams JT, Abramovitch RB. Molecular Mechanisms of MmpL3 Function and Inhibition. Microb Drug Resist 2023; 29:190-212. [PMID: 36809064 PMCID: PMC10171966 DOI: 10.1089/mdr.2021.0424] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023] Open
Abstract
Mycobacteria species include a large number of pathogenic organisms such as Mycobacterium tuberculosis, Mycobacterium leprae, and various non-tuberculous mycobacteria. Mycobacterial membrane protein large 3 (MmpL3) is an essential mycolic acid and lipid transporter required for growth and cell viability. In the last decade, numerous studies have characterized MmpL3 with respect to protein function, localization, regulation, and substrate/inhibitor interactions. This review summarizes new findings in the field and seeks to assess future areas of research in our rapidly expanding understanding of MmpL3 as a drug target. An atlas of known MmpL3 mutations that provide resistance to inhibitors is presented, which maps amino acid substitutions to specific structural domains of MmpL3. In addition, chemical features of distinct classes of Mmpl3 inhibitors are compared to provide insights into shared and unique features of varied MmpL3 inhibitors.
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Affiliation(s)
- John T Williams
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, USA
| | - Robert B Abramovitch
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, USA
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9
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A Concise Synthesis of Pyrrole-Based Drug Candidates from α-Hydroxyketones, 3-Oxobutanenitrile, and Anilines. Molecules 2023; 28:molecules28031265. [PMID: 36770934 PMCID: PMC9918993 DOI: 10.3390/molecules28031265] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 01/15/2023] [Accepted: 01/21/2023] [Indexed: 01/31/2023] Open
Abstract
A simple and concise three-component synthesis of a key pyrrole framework was developed from the reaction between α-hydroxyketones, oxoacetonitriles, and anilines. The synthesis was used to obtain several pyrrole-based drug candidates, including COX-2 selective NSAID, antituberculosis lead candidates BM212, BM521, and BM533, as well as several analogues. This route has potential to obtain diverse libraries of these pyrrole candidates in a concise manner to develop optimum lead compounds.
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10
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Girardini M, Ferlenghi F, Annunziato G, Degiacomi G, Papotti B, Marchi C, Sammartino JC, Rasheed SS, Contini A, Pasca MR, Vacondio F, Evans JC, Dick T, Müller R, Costantino G, Pieroni M. Expanding the knowledge around antitubercular 5-(2-aminothiazol-4-yl)isoxazole-3-carboxamides: Hit-to-lead optimization and release of a novel antitubercular chemotype via scaffold derivatization. Eur J Med Chem 2023; 245:114916. [PMID: 36399878 PMCID: PMC10583863 DOI: 10.1016/j.ejmech.2022.114916] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 11/04/2022] [Accepted: 11/05/2022] [Indexed: 11/13/2022]
Abstract
Tuberculosis is one of the deadliest infectious diseases in the world, and the increased number of multidrug-resistant and extensively drug-resistant strains is a reason for concern. We have previously reported a series of substituted 5-(2-aminothiazol-4-yl)isoxazole-3-carboxamides with growth inhibitory activity against Mycobacterium tuberculosis strains and low propensity to be substrate of efflux pumps. Encouraged by these preliminary results, we have undertaken a medicinal chemistry campaign to determine the metabolic fate of these compounds and to delineate a reliable body of Structure-Activity Relationships. Keeping intact the (thiazol-4-yl)isoxazole-3-carboxamide core, as it is deemed to be the pharmacophore of the molecule, we have extensively explored the structural modifications able to confer good activity and avoid rapid clearance. Also, a small set of analogues based on isostere manipulation of the 2-aminothiazole were prepared and tested, with the aim to disclose novel antitubercular chemotypes. These studies, combined, were instrumental in designing improved compounds such as 42g and 42l, escaping metabolic degradation by human liver microsomes and, at the same time, maintaining good antitubercular activity against both drug-susceptible and drug-resistant strains.
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Affiliation(s)
- Miriam Girardini
- P4T Group, Italy; Department of Food and Drug, University of Parma, 43124, Parma, Italy
| | - Francesca Ferlenghi
- Department of Food and Drug, University of Parma, 43124, Parma, Italy; Centro Interdipartimentale "Biopharmanet-tec", Università degli Studi di Parma, Parma, Italy
| | | | - Giulia Degiacomi
- Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia, 27100, Pavia, Italy
| | - Bianca Papotti
- Department of Food and Drug, University of Parma, 43124, Parma, Italy
| | - Cinzia Marchi
- Department of Food and Drug, University of Parma, 43124, Parma, Italy
| | - José Camilla Sammartino
- Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia, 27100, Pavia, Italy
| | - Sari S Rasheed
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research, Saarland University Campus, 66123, Saarbrücken, Germany; German Centre for Infection Research, partner site Hannover-Braunschweig, Germany
| | - Anna Contini
- P4T Group, Italy; Department of Food and Drug, University of Parma, 43124, Parma, Italy
| | - Maria Rosalia Pasca
- Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia, 27100, Pavia, Italy
| | - Federica Vacondio
- Department of Food and Drug, University of Parma, 43124, Parma, Italy; Centro Interdipartimentale "Biopharmanet-tec", Università degli Studi di Parma, Parma, Italy
| | - Joanna C Evans
- Center for Discovery and Innovation, Hackensack Meridian Health, Nutley, NJ, USA
| | - Thomas Dick
- Center for Discovery and Innovation, Hackensack Meridian Health, Nutley, NJ, USA; Department of Medical Sciences, Hackensack Meridian School of Medicine, Nutley, NJ, USA; Department of Microbiology and Immunology, Georgetown University, Washington DC, USA
| | - Rolf Müller
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research, Saarland University Campus, 66123, Saarbrücken, Germany; German Centre for Infection Research, partner site Hannover-Braunschweig, Germany
| | - Gabriele Costantino
- P4T Group, Italy; Department of Food and Drug, University of Parma, 43124, Parma, Italy; Centro Interdipartimentale "Biopharmanet-tec", Università degli Studi di Parma, Parma, Italy; Centro Interdipartimentale Misure (CIM) 'G. Casnati', University of Parma, Parma, Italy
| | - Marco Pieroni
- P4T Group, Italy; Department of Food and Drug, University of Parma, 43124, Parma, Italy; Centro Interdipartimentale "Biopharmanet-tec", Università degli Studi di Parma, Parma, Italy.
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11
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Ochsner UA, De Groote MA, Jarvis TC, Liu H, Youmans T, Hoang T, Ribble W, Day J, Li W, Pearce C, Walz A, Panthi CM, Rimal B, Stevens CM, Zgurskaya HI, Jackson M, Ordway D, Gonzalez-Juarrero M, Sun X, Lamichhane G, Mason C. Microbiological profile, preclinical pharmacokinetics and efficacy of CRS0393, a novel antimycobacterial agent targeting MmpL3. Tuberculosis (Edinb) 2023; 138:102288. [PMID: 36470124 PMCID: PMC9892229 DOI: 10.1016/j.tube.2022.102288] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 11/11/2022] [Accepted: 11/21/2022] [Indexed: 11/30/2022]
Abstract
The benzothiazole amide CRS0393 demonstrated excellent in vitro activity against nontuberculous mycobacteria (NTM), including M. abscessus isolates from cystic fibrosis (CF) patients, with minimum inhibitory concentrations (MICs) of ≤0.03-0.5 μg/mL. The essential transport protein MmpL3 was confirmed as the target via analysis of spontaneous resistant mutants and further biological profiling. In mouse pharmacokinetic studies, intratracheal instillation of a single dose of CRS0393 resulted in high concentrations of drug in epithelial lining fluid (ELF) and lung tissue, which remained above the M. abscessus MIC for at least 9 hours post-dose. This exposure resulted in a penetration ratio of 261 for ELF and 54 for lung tissue relative to plasma. CRS0393 showed good oral bioavailability, particularly when formulated in kolliphor oil, with a lung-to-plasma penetration ratio ranging from 0.5 to 4. CRS0393 demonstrated concentration-dependent reduction of intracellular M. abscessus in a THP-1 macrophage infection model. CRS0393 was well tolerated following intranasal administration (8 mg/kg) or oral dosing (25 mg/kg) once daily for 28 days in dexamethasone-treated C3HeB/FeJ mice. Efficacy against M. abscessus strain 103 was achieved via the intranasal route, while oral dosing will need further optimization. CRS0393 holds promise for development as a novel agent with broad antimycobacterial activity.
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Affiliation(s)
| | | | | | - Hang Liu
- Crestone, Inc., 6075 Longbow Dr, Boulder, CO, USA
| | | | - Teresa Hoang
- Crestone, Inc., 6075 Longbow Dr, Boulder, CO, USA
| | - Wendy Ribble
- Crestone, Inc., 6075 Longbow Dr, Boulder, CO, USA
| | - Joshua Day
- Crestone, Inc., 6075 Longbow Dr, Boulder, CO, USA
| | - Wei Li
- Mycobacteria Research Laboratories, Department of Microbiology, Immunology and Pathology, 200 West Lake Street, Colorado State University, Fort Collins, CO, USA
| | - Camron Pearce
- Mycobacteria Research Laboratories, Department of Microbiology, Immunology and Pathology, 200 West Lake Street, Colorado State University, Fort Collins, CO, USA
| | - Amanda Walz
- Mycobacteria Research Laboratories, Department of Microbiology, Immunology and Pathology, 200 West Lake Street, Colorado State University, Fort Collins, CO, USA
| | - Chandra M Panthi
- Johns Hopkins University, 1550 Orleans Street, Baltimore, MD, USA
| | - Binayak Rimal
- Johns Hopkins University, 1550 Orleans Street, Baltimore, MD, USA
| | - Casey M Stevens
- University of Oklahoma, Department of Chemistry and Biochemistry, 101 Stephenson Parkway, Norman, OK, USA
| | - Helen I Zgurskaya
- University of Oklahoma, Department of Chemistry and Biochemistry, 101 Stephenson Parkway, Norman, OK, USA
| | - Mary Jackson
- Mycobacteria Research Laboratories, Department of Microbiology, Immunology and Pathology, 200 West Lake Street, Colorado State University, Fort Collins, CO, USA
| | - Diane Ordway
- Mycobacteria Research Laboratories, Department of Microbiology, Immunology and Pathology, 200 West Lake Street, Colorado State University, Fort Collins, CO, USA
| | - Mercedes Gonzalez-Juarrero
- Mycobacteria Research Laboratories, Department of Microbiology, Immunology and Pathology, 200 West Lake Street, Colorado State University, Fort Collins, CO, USA
| | - Xicheng Sun
- Crestone, Inc., 6075 Longbow Dr, Boulder, CO, USA
| | - Gyanu Lamichhane
- Johns Hopkins University, 1550 Orleans Street, Baltimore, MD, USA
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12
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Yan W, Zheng Y, Dou C, Zhang G, Arnaout T, Cheng W. The pathogenic mechanism of Mycobacterium tuberculosis: implication for new drug development. MOLECULAR BIOMEDICINE 2022; 3:48. [PMID: 36547804 PMCID: PMC9780415 DOI: 10.1186/s43556-022-00106-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Accepted: 11/15/2022] [Indexed: 12/24/2022] Open
Abstract
Mycobacterium tuberculosis (Mtb), the causative agent of tuberculosis (TB), is a tenacious pathogen that has latently infected one third of the world's population. However, conventional TB treatment regimens are no longer sufficient to tackle the growing threat of drug resistance, stimulating the development of innovative anti-tuberculosis agents, with special emphasis on new protein targets. The Mtb genome encodes ~4000 predicted proteins, among which many enzymes participate in various cellular metabolisms. For example, more than 200 proteins are involved in fatty acid biosynthesis, which assists in the construction of the cell envelope, and is closely related to the pathogenesis and resistance of mycobacteria. Here we review several essential enzymes responsible for fatty acid and nucleotide biosynthesis, cellular metabolism of lipids or amino acids, energy utilization, and metal uptake. These include InhA, MmpL3, MmaA4, PcaA, CmaA1, CmaA2, isocitrate lyases (ICLs), pantothenate synthase (PS), Lysine-ε amino transferase (LAT), LeuD, IdeR, KatG, Rv1098c, and PyrG. In addition, we summarize the role of the transcriptional regulator PhoP which may regulate the expression of more than 110 genes, and the essential biosynthesis enzyme glutamine synthetase (GlnA1). All these enzymes are either validated drug targets or promising target candidates, with drugs targeting ICLs and LAT expected to solve the problem of persistent TB infection. To better understand how anti-tuberculosis drugs act on these proteins, their structures and the structure-based drug/inhibitor designs are discussed. Overall, this investigation should provide guidance and support for current and future pharmaceutical development efforts against mycobacterial pathogenesis.
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Affiliation(s)
- Weizhu Yan
- grid.412901.f0000 0004 1770 1022Division of Respiratory and Critical Care Medicine, Respiratory Infection and Intervention Laboratory of Frontiers Science Center for Disease-Related Molecular Network, State Key Laboratory of Biotherapy, West China Hospital of Sichuan University, Chengdu, 610041 China
| | - Yanhui Zheng
- grid.412901.f0000 0004 1770 1022Division of Respiratory and Critical Care Medicine, Respiratory Infection and Intervention Laboratory of Frontiers Science Center for Disease-Related Molecular Network, State Key Laboratory of Biotherapy, West China Hospital of Sichuan University, Chengdu, 610041 China
| | - Chao Dou
- grid.412901.f0000 0004 1770 1022Division of Respiratory and Critical Care Medicine, Respiratory Infection and Intervention Laboratory of Frontiers Science Center for Disease-Related Molecular Network, State Key Laboratory of Biotherapy, West China Hospital of Sichuan University, Chengdu, 610041 China
| | - Guixiang Zhang
- grid.13291.380000 0001 0807 1581Division of Gastrointestinal Surgery, Department of General Surgery and Gastric Cancer center, West China Hospital, Sichuan University, No. 37. Guo Xue Xiang, Chengdu, 610041 China
| | - Toufic Arnaout
- Kappa Crystals Ltd., Dublin, Ireland ,MSD Dunboyne BioNX, Co. Meath, Ireland
| | - Wei Cheng
- grid.412901.f0000 0004 1770 1022Division of Respiratory and Critical Care Medicine, Respiratory Infection and Intervention Laboratory of Frontiers Science Center for Disease-Related Molecular Network, State Key Laboratory of Biotherapy, West China Hospital of Sichuan University, Chengdu, 610041 China
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13
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A New Benzothiazolthiazolidine Derivative, 11726172, Is Active In Vitro, In Vivo, and against Nonreplicating Cells of Mycobacterium tuberculosis. mSphere 2022; 7:e0036922. [PMID: 36377880 PMCID: PMC9769805 DOI: 10.1128/msphere.00369-22] [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] [Indexed: 11/16/2022] Open
Abstract
Tuberculosis (TB) still poses a global menace as one of the deadliest infectious diseases. A quarter of the human population is indeed latently infected with Mycobacterium tuberculosis. People with latent infection have a 5 to 10% lifetime risk of becoming ill with TB, representing a reservoir for TB active infection. This is a worrisome problem to overcome in the case of relapse; unfortunately, few drugs are effective against nonreplicating M. tuberculosis cells. Novel strategies to combat TB, including its latent form, are urgently needed. In response to the lack of new effective drugs and after screening about 500 original chemical molecules, we selected a compound, 11726172, that is endowed with potent antitubercular activity against M. tuberculosis both in vitro and in vivo and importantly also against dormant nonculturable bacilli. We also investigated the mechanism of action of 11726172 by applying a multidisciplinary approach, including transcriptomic, labeled metabolomic, biochemical, and microbiological procedures. Our results represent an important step forward in the development of a new antitubercular compound with a novel mechanism of action active against latent bacilli. IMPORTANCE The discontinuation of TB services due to COVID-19 causes concern about a future resurgence of TB, also considering that latent infection affects a high number of people worldwide. To combat this situation, the identification of antitubercular compounds targeting Mycobacterium tuberculosis through novel mechanisms of action is necessary. These compounds should be active against not only replicating bacteria cells but also nonreplicating cells to limit the reservoir of latently infected people on which the bacterium can rely to spread after reactivation.
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14
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Baliram Gaikwad N, Kumar Sahoo S, Ommi O, Naiyaz Ahmad M, Pathan A, Kaul G, Nanduri S, Dasgupta A, Chopra S, Madhavi Yaddanapudi V. Identification of 1,3‐Substituted Pyrazole‐Based Carboxamide Derivatives as Potent Antitubercular Agents. ChemistrySelect 2022. [DOI: 10.1002/slct.202203333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Nikhil Baliram Gaikwad
- Department of Chemical Sciences National Institute of Pharmaceutical Education and Research (NIPER) Balanagar Hyderabad 500037, Telangana India
| | - Santosh Kumar Sahoo
- Department of Chemical Sciences National Institute of Pharmaceutical Education and Research (NIPER) Balanagar Hyderabad 500037, Telangana India
| | - Ojaswitha Ommi
- Department of Chemical Sciences National Institute of Pharmaceutical Education and Research (NIPER) Balanagar Hyderabad 500037, Telangana India
| | - Mohammad Naiyaz Ahmad
- Division of Molecular Microbiology and Immunology CSIR-Central Drug Research Institute Sector 10, Janakipuram Extension Sitapur Road Lucknow 226031, UP India
- AcSIR: Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Afroz Pathan
- Department of Chemical Sciences National Institute of Pharmaceutical Education and Research (NIPER) Balanagar Hyderabad 500037, Telangana India
| | - Grace Kaul
- Division of Molecular Microbiology and Immunology CSIR-Central Drug Research Institute Sector 10, Janakipuram Extension Sitapur Road Lucknow 226031, UP India
- AcSIR: Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Srinivas Nanduri
- Department of Chemical Sciences National Institute of Pharmaceutical Education and Research (NIPER) Balanagar Hyderabad 500037, Telangana India
| | - Arunava Dasgupta
- Division of Molecular Microbiology and Immunology CSIR-Central Drug Research Institute Sector 10, Janakipuram Extension Sitapur Road Lucknow 226031, UP India
- AcSIR: Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Sidharth Chopra
- Division of Molecular Microbiology and Immunology CSIR-Central Drug Research Institute Sector 10, Janakipuram Extension Sitapur Road Lucknow 226031, UP India
- AcSIR: Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Venkata Madhavi Yaddanapudi
- Department of Chemical Sciences National Institute of Pharmaceutical Education and Research (NIPER) Balanagar Hyderabad 500037, Telangana India
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15
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Zhao H, Gao Y, Li W, Sheng L, Cui K, Wang B, Fu L, Gao M, Lin Z, Zou X, Jackson M, Huang H, Lu Y, Zhang D. Design, Synthesis, and Biological Evaluation of Pyrrole-2-carboxamide Derivatives as Mycobacterial Membrane Protein Large 3 Inhibitors for Treating Drug-Resistant Tuberculosis. J Med Chem 2022; 65:10534-10553. [PMID: 35915958 PMCID: PMC9379527 DOI: 10.1021/acs.jmedchem.2c00718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
In this work, pyrrole-2-carboxamides were designed with a structure-guided strategy based on the crystal structure of MmpL3 and a pharmacophore model. The structure-activity relationship studies revealed that attaching phenyl and pyridyl groups with electron-withdrawing substituents to the pyrrole ring and attaching bulky substituents to the carboxamide greatly improved anti-TB activity. Most compounds showed potent anti-TB activity (MIC < 0.016 μg/mL) and low cytotoxicity (IC50 > 64 μg/mL). Compound 32 displayed excellent activity against drug-resistant tuberculosis, good microsomal stability, almost no inhibition of the hERG K+ channel, and good in vivo efficacy. Furthermore, the target of the pyrrole-2-carboxamides was identified by measuring their potency against M. smegmatis expressing wild-type and mutated variants of the mmpL3 gene from M. tuberculosis (mmpL3tb) and determining their effect on mycolic acid biosynthesis using a [14C] acetate metabolic labeling assay. The present study provides new MmpL3 inhibitors that are promising anti-TB agents.
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Affiliation(s)
- Hongyi Zhao
- Beijing Key Laboratory of Active Substance Discovery and Druggability Evaluation, Chinese Academy of Medical Sciences Key Laboratory of Anti-DR TB Innovative Drug Research, Institute of Materia Medica, Peking Union Medical College and Chinese Academy of Medical Sciences, 1 Xian Nong Tan Street, Beijing 100050, P. R. China
| | - Yongxin Gao
- Beijing Key Laboratory of Active Substance Discovery and Druggability Evaluation, Chinese Academy of Medical Sciences Key Laboratory of Anti-DR TB Innovative Drug Research, Institute of Materia Medica, Peking Union Medical College and Chinese Academy of Medical Sciences, 1 Xian Nong Tan Street, Beijing 100050, P. R. China
| | - Wei Li
- Mycobacteria Research Laboratories, Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, CO 80523, USA
| | - Li Sheng
- Beijing Key Laboratory of Non-Clinical Drug Metabolism and PK/PD Study, Chinese Academy of Medical Sciences Key Laboratory of Anti-DR TB Innovative Drug Research, Institute of Materia Medica, Peking Union Medical College and Chinese Academy of Medical Sciences, 1 Xian Nong Tan Street, Beijing 100050, P. R. China
| | - Keli Cui
- College of Life Science and Bio-engineering, Beijing University of Technology, 100 Ping Le Yuan, Beijing 100124, P. R. China
| | - Bin Wang
- Beijing Key Laboratory of Drug Resistance Tuberculosis Research, Department of Pharmacology, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing Chest Hospital, Capital Medical University, 97 Ma Chang Street, Beijing 101149, P. R. China
| | - Lei Fu
- Beijing Key Laboratory of Drug Resistance Tuberculosis Research, Department of Pharmacology, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing Chest Hospital, Capital Medical University, 97 Ma Chang Street, Beijing 101149, P. R. China
| | - Meng Gao
- Beijing Key Laboratory of Active Substance Discovery and Druggability Evaluation, Chinese Academy of Medical Sciences Key Laboratory of Anti-DR TB Innovative Drug Research, Institute of Materia Medica, Peking Union Medical College and Chinese Academy of Medical Sciences, 1 Xian Nong Tan Street, Beijing 100050, P. R. China
| | - Ziyun Lin
- Beijing Key Laboratory of Active Substance Discovery and Druggability Evaluation, Chinese Academy of Medical Sciences Key Laboratory of Anti-DR TB Innovative Drug Research, Institute of Materia Medica, Peking Union Medical College and Chinese Academy of Medical Sciences, 1 Xian Nong Tan Street, Beijing 100050, P. R. China
| | - Xiaowen Zou
- Beijing Key Laboratory of Non-Clinical Drug Metabolism and PK/PD Study, Chinese Academy of Medical Sciences Key Laboratory of Anti-DR TB Innovative Drug Research, Institute of Materia Medica, Peking Union Medical College and Chinese Academy of Medical Sciences, 1 Xian Nong Tan Street, Beijing 100050, P. R. China
| | - Mary Jackson
- Mycobacteria Research Laboratories, Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, CO 80523, USA
| | - Haihong Huang
- Beijing Key Laboratory of Active Substance Discovery and Druggability Evaluation, Chinese Academy of Medical Sciences Key Laboratory of Anti-DR TB Innovative Drug Research, Institute of Materia Medica, Peking Union Medical College and Chinese Academy of Medical Sciences, 1 Xian Nong Tan Street, Beijing 100050, P. R. China
| | - Yu Lu
- Beijing Key Laboratory of Drug Resistance Tuberculosis Research, Department of Pharmacology, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing Chest Hospital, Capital Medical University, 97 Ma Chang Street, Beijing 101149, P. R. China
| | - Dongfeng Zhang
- Beijing Key Laboratory of Active Substance Discovery and Druggability Evaluation, Chinese Academy of Medical Sciences Key Laboratory of Anti-DR TB Innovative Drug Research, Institute of Materia Medica, Peking Union Medical College and Chinese Academy of Medical Sciences, 1 Xian Nong Tan Street, Beijing 100050, P. R. China
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16
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Fernandes GFS, Thompson AM, Castagnolo D, Denny WA, Dos Santos JL. Tuberculosis Drug Discovery: Challenges and New Horizons. J Med Chem 2022; 65:7489-7531. [PMID: 35612311 DOI: 10.1021/acs.jmedchem.2c00227] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Over the past 2000 years, tuberculosis (TB) has claimed more lives than any other infectious disease. In 2020 alone, TB was responsible for 1.5 million deaths worldwide, comparable to the 1.8 million deaths caused by COVID-19. The World Health Organization has stated that new TB drugs must be developed to end this pandemic. After decades of neglect in this field, a renaissance era of TB drug discovery has arrived, in which many novel candidates have entered clinical trials. However, while hundreds of molecules are reported annually as promising anti-TB agents, very few successfully progress to clinical development. In this Perspective, we critically review those anti-TB compounds published in the last 6 years that demonstrate good in vivo efficacy against Mycobacterium tuberculosis. Additionally, we highlight the main challenges and strategies for developing new TB drugs and the current global pipeline of drug candidates in clinical studies to foment fresh research perspectives.
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Affiliation(s)
- Guilherme F S Fernandes
- Department of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, United Kingdom
| | - Andrew M Thompson
- Auckland Cancer Society Research Centre, Faculty of Medical and Health Sciences, The University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
| | - Daniele Castagnolo
- Department of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, United Kingdom
| | - William A Denny
- Auckland Cancer Society Research Centre, Faculty of Medical and Health Sciences, The University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
| | - Jean L Dos Santos
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 14800903, Brazil
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17
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Maslarska V, Bozhanov S, Vladimirova S, Peikova L, Tzankova D, Georgieva M. Development and validation of an RP-HPLC method for analysis of 2-(5-(4-chlorophenyl)-3-(ethoxycarbonyl)-2-methyl-1H-pyrrol-1-yl)propanoic acid and its impurities under different pH. PHARMACIA 2022. [DOI: 10.3897/pharmacia.69.e80843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
A simple, fast and selective stability indicating RP-HPLC method was applied for following the degradation and appearance of impurities of previously synthesized 2-(5-(4-chlorophenyl)-3-(ethoxycarbonyl)-2-methyl-1H-pyrrol-1-yl)propanoic acid. The chromatographic separation was achieved on a C18 column (150×4 mm i.d., 5 μm) using a mobile phase consisting of Acetonitrile: Phosphate buffer, pH=3, (50:50% v/v) with isocratic elution at a flow rate of 1.0 mL min−1 and temperature of the column of 30 °C applying a UV/VIS detector at 225 nm. The method was validated according to the ICH guidelines. A process related impurity was determined at pH 9.0 corresponding to ethyl 2-acetyl-4-(4-chlorophenyl)-4-oxobutanoate. No change in the structure was detected at pH = 7.4.
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18
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Hanieh PN, Consalvi S, Forte J, Cabiddu G, De Logu A, Poce G, Rinaldi F, Biava M, Carafa M, Marianecci C. Nano-Based Drug Delivery Systems of Potent MmpL3 Inhibitors for Tuberculosis Treatment. Pharmaceutics 2022; 14:pharmaceutics14030610. [PMID: 35335983 PMCID: PMC8955761 DOI: 10.3390/pharmaceutics14030610] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 03/07/2022] [Accepted: 03/08/2022] [Indexed: 11/16/2022] Open
Abstract
Tuberculosis remains one of the world’s deadliest infectious diseases, accounting for nearly 1.3 million deaths every year. Tuberculosis treatment is challenging because of the toxicity, decreased bioavailability at the target site of the conventional drugs and, most importantly, low adherence of patients; this leads to drug resistance. Here, we describe the development of suitable nanocarriers with specific physicochemical properties to efficiently deliver two potent antimycobacterial compounds. We prepared nanoemulsions and niosomes formulations and loaded them with two different MmpL3 inhibitors previously identified (NEs + BM635 and NIs + BM859). NEs + BM635 and NIs + BM859 were deeply characterized for their physicochemical properties and anti-mycobacterial activity. NEs + BM635 and NIs + BM859 showed good hydrodynamic diameter, ζ-Potential, PDI, drug-entrapment efficiency, polarity, and microviscosity and stability. Even though both formulations proved to perform well, only NIs + BM859 showed potent antimycobacterial activity against M. tuberculosis (MIC = 0.6 µM) compared to that of the free compound. This is most probably caused by the fact that BM635, being highly hydrophobic, encounters maximum hindrance in diffusion, whereas BM859, characterized by high solubility in aqueous medium (152 µM), diffuses more easily. The niosomal formulation described in this work may be a useful therapeutic tool for tuberculosis treatment, and further studies will follow to characterize the in vivo behavior of the formulation.
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Affiliation(s)
- Patrizia Nadia Hanieh
- Dipartimento di Chimica e Tecnologie del Farmaco, Sapienza Universitaà di Roma, Piazzale Aldo Moro 5, 00185 Rome, Italy; (P.N.H.); (S.C.); (J.F.); (G.P.); (M.B.); (M.C.); (C.M.)
| | - Sara Consalvi
- Dipartimento di Chimica e Tecnologie del Farmaco, Sapienza Universitaà di Roma, Piazzale Aldo Moro 5, 00185 Rome, Italy; (P.N.H.); (S.C.); (J.F.); (G.P.); (M.B.); (M.C.); (C.M.)
| | - Jacopo Forte
- Dipartimento di Chimica e Tecnologie del Farmaco, Sapienza Universitaà di Roma, Piazzale Aldo Moro 5, 00185 Rome, Italy; (P.N.H.); (S.C.); (J.F.); (G.P.); (M.B.); (M.C.); (C.M.)
| | - Gianluigi Cabiddu
- Department of Life and Environmental Sciences, Laboratory of Microbiology, University of Cagliari, Cittadella Universitaria di Monserrato, 09042 Monserrato, Italy; (G.C.); (A.D.L.)
| | - Alessandro De Logu
- Department of Life and Environmental Sciences, Laboratory of Microbiology, University of Cagliari, Cittadella Universitaria di Monserrato, 09042 Monserrato, Italy; (G.C.); (A.D.L.)
| | - Giovanna Poce
- Dipartimento di Chimica e Tecnologie del Farmaco, Sapienza Universitaà di Roma, Piazzale Aldo Moro 5, 00185 Rome, Italy; (P.N.H.); (S.C.); (J.F.); (G.P.); (M.B.); (M.C.); (C.M.)
| | - Federica Rinaldi
- Dipartimento di Chimica e Tecnologie del Farmaco, Sapienza Universitaà di Roma, Piazzale Aldo Moro 5, 00185 Rome, Italy; (P.N.H.); (S.C.); (J.F.); (G.P.); (M.B.); (M.C.); (C.M.)
- Correspondence:
| | - Mariangela Biava
- Dipartimento di Chimica e Tecnologie del Farmaco, Sapienza Universitaà di Roma, Piazzale Aldo Moro 5, 00185 Rome, Italy; (P.N.H.); (S.C.); (J.F.); (G.P.); (M.B.); (M.C.); (C.M.)
| | - Maria Carafa
- Dipartimento di Chimica e Tecnologie del Farmaco, Sapienza Universitaà di Roma, Piazzale Aldo Moro 5, 00185 Rome, Italy; (P.N.H.); (S.C.); (J.F.); (G.P.); (M.B.); (M.C.); (C.M.)
| | - Carlotta Marianecci
- Dipartimento di Chimica e Tecnologie del Farmaco, Sapienza Universitaà di Roma, Piazzale Aldo Moro 5, 00185 Rome, Italy; (P.N.H.); (S.C.); (J.F.); (G.P.); (M.B.); (M.C.); (C.M.)
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19
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The Veterinary Anti-Parasitic Selamectin Is a Novel Inhibitor of the Mycobacterium tuberculosis DprE1 Enzyme. Int J Mol Sci 2022; 23:ijms23020771. [PMID: 35054958 PMCID: PMC8776228 DOI: 10.3390/ijms23020771] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 12/23/2021] [Accepted: 01/08/2022] [Indexed: 02/04/2023] Open
Abstract
Avermectins are macrocyclic lactones with anthelmintic activity. Recently, they were found to be effective against Mycobacterium tuberculosis, which accounts for one third of the worldwide deaths from antimicrobial resistance. However, their anti-mycobacterial mode of action remains to be elucidated. The activity of selamectin was determined against a panel of M. tuberculosis mutants. Two strains carrying mutations in DprE1, the decaprenylphosphoryl-β-D-ribose oxidase involved in the synthesis of mycobacterial arabinogalactan, were more susceptible to selamectin. Biochemical assays against the Mycobacterium smegmatis DprE1 protein confirmed this finding, and docking studies predicted a binding site in a loop that included Leu275. Sequence alignment revealed variants in this position among mycobacterial species, with the size and hydrophobicity of the residue correlating with their MIC values; M. smegmatis DprE1 variants carrying these point mutations validated the docking predictions. However, the correlation was not confirmed when M. smegmatis mutant strains were constructed and MIC phenotypic assays performed. Likewise, metabolic labeling of selamectin-treated M. smegmatis and M. tuberculosis cells with 14C-labeled acetate did not reveal the expected lipid profile associated with DprE1 inhibition. Together, our results confirm the in vitro interactions of selamectin and DprE1 but suggest that selamectin could be a multi-target anti-mycobacterial compound.
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20
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Moorey AR, Cabanillas A, Batt SM, Ghidelli-Disse S, Urones B, Sanz O, Lelievre J, Bantscheff M, Cox LR, Besra GS. The multi-target aspect of an MmpL3 inhibitor: The BM212 series of compounds bind EthR2, a transcriptional regulator of ethionamide activation. Cell Surf 2021; 7:100068. [PMID: 34888432 PMCID: PMC8634040 DOI: 10.1016/j.tcsw.2021.100068] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 11/15/2021] [Accepted: 11/15/2021] [Indexed: 12/12/2022] Open
Abstract
The emergence of drug-resistant strains of Mycobacterium tuberculosis (Mtb) ensures that drug discovery efforts remain at the forefront of TB research. There are multiple different experimental approaches that can be employed in the discovery of anti-TB agents. Notably, inhibitors of MmpL3 are numerous and structurally diverse in Mtb and have been discovered through the generation of spontaneous resistant mutants and subsequent whole genome sequencing studies. However, this approach is not always reliable and can lead to incorrect target assignment and requires orthogonal confirmatory approaches. In fact, many of these inhibitors have also been shown to act as multi-target agents, with secondary targets in Mtb, as well as in other non-MmpL3-containing pathogens. Herein, we have investigated further the cellular targets of the MmpL3-inhibitor BM212 and a number of BM212 analogues. To determine the alternative targets of BM212, which may have been masked by MmpL3 mutations, we have applied a combination of chemo-proteomic profiling using bead-immobilised BM212 derivatives and protein extracts, along with whole-cell and biochemical assays. The study identified EthR2 (Rv0078) as a protein that binds BM212 analogues. We further demonstrated binding of BM212 to EthR2 through an in vitro tryptophan fluorescence assay, which showed significant quenching of tryptophan fluorescence upon addition of BM212. Our studies have demonstrated the value of revisiting drugs with ambiguous targets, such as MmpL3, in an attempt to find alternative targets and the study of off-target effects to understand more precisely target engagement of new hits emerging from drug screening campaigns.
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Affiliation(s)
- Alice R Moorey
- Institute of Microbiology and Infection, School of Biosciences, University of Birmingham, Birmingham B15 2TT, U.K
| | - Alejandro Cabanillas
- Diseases of the Developing World, GlaxoSmithKline, Severo Ochoa 2, Tres Cantos, Madrid 28760, Spain
| | - Sarah M Batt
- Institute of Microbiology and Infection, School of Biosciences, University of Birmingham, Birmingham B15 2TT, U.K
| | | | - Beatriz Urones
- Diseases of the Developing World, GlaxoSmithKline, Severo Ochoa 2, Tres Cantos, Madrid 28760, Spain
| | - Olalla Sanz
- Diseases of the Developing World, GlaxoSmithKline, Severo Ochoa 2, Tres Cantos, Madrid 28760, Spain
| | - Joel Lelievre
- Diseases of the Developing World, GlaxoSmithKline, Severo Ochoa 2, Tres Cantos, Madrid 28760, Spain
| | - Marcus Bantscheff
- Cellzome - a GSK Company, Meyerhofstrasse 1, 69117 Heidelberg, Germany
| | - Liam R Cox
- School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K
| | - Gurdyal S Besra
- Institute of Microbiology and Infection, School of Biosciences, University of Birmingham, Birmingham B15 2TT, U.K
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21
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Adams O, Deme JC, Parker JL, Fowler PW, Lea SM, Newstead S. Cryo-EM structure and resistance landscape of M. tuberculosis MmpL3: An emergent therapeutic target. Structure 2021; 29:1182-1191.e4. [PMID: 34242558 PMCID: PMC8752444 DOI: 10.1016/j.str.2021.06.013] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 05/24/2021] [Accepted: 06/14/2021] [Indexed: 11/09/2022]
Abstract
Tuberculosis (TB) is the leading cause of death from a single infectious agent and in 2019 an estimated 10 million people worldwide contracted the disease. Although treatments for TB exist, continual emergence of drug-resistant variants necessitates urgent development of novel antituberculars. An important new target is the lipid transporter MmpL3, which is required for construction of the unique cell envelope that shields Mycobacterium tuberculosis (Mtb) from the immune system. However, a structural understanding of the mutations in Mtb MmpL3 that confer resistance to the many preclinical leads is lacking, hampering efforts to circumvent resistance mechanisms. Here, we present the cryoelectron microscopy structure of Mtb MmpL3 and use it to comprehensively analyze the mutational landscape of drug resistance. Our data provide a rational explanation for resistance variants local to the central drug binding site, and also highlight a potential alternative route to resistance operating within the periplasmic domain.
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Affiliation(s)
- Oliver Adams
- Department of Biochemistry, University of Oxford, Oxford OX1 3QU, UK
| | - Justin C Deme
- The Sir William Dunn School of Pathology, University of Oxford, Oxford OX1 3RE, UK; Central Oxford Structural Molecular Imaging Centre (COSMIC), University of Oxford, Oxford OX1 3RE, UK; Center for Structural Biology, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702-1201, USA
| | - Joanne L Parker
- Department of Biochemistry, University of Oxford, Oxford OX1 3QU, UK
| | - Philip W Fowler
- Nuffield Department of Medicine, John Radcliffe Hospital, University of Oxford, Oxford OX3 9DU, UK; National Institute of Health Research (NIHR) Oxford Biomedical Research Centre, John Radcliffe, Oxford OX3 9DU, UK
| | - Susan M Lea
- The Sir William Dunn School of Pathology, University of Oxford, Oxford OX1 3RE, UK; Central Oxford Structural Molecular Imaging Centre (COSMIC), University of Oxford, Oxford OX1 3RE, UK; Center for Structural Biology, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702-1201, USA.
| | - Simon Newstead
- Department of Biochemistry, University of Oxford, Oxford OX1 3QU, UK; The Kavli Institute for Nanoscience Discovery, University of Oxford, Oxford OX1 3QU, UK.
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22
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Su CC, Klenotic PA, Cui M, Lyu M, Morgan CE, Yu EW. Structures of the mycobacterial membrane protein MmpL3 reveal its mechanism of lipid transport. PLoS Biol 2021; 19:e3001370. [PMID: 34383749 PMCID: PMC8384468 DOI: 10.1371/journal.pbio.3001370] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 08/24/2021] [Accepted: 07/21/2021] [Indexed: 01/09/2023] Open
Abstract
The mycobacterial membrane protein large 3 (MmpL3) transporter is essential and required for shuttling the lipid trehalose monomycolate (TMM), a precursor of mycolic acid (MA)-containing trehalose dimycolate (TDM) and mycolyl arabinogalactan peptidoglycan (mAGP), in Mycobacterium species, including Mycobacterium tuberculosis and Mycobacterium smegmatis. However, the mechanism that MmpL3 uses to facilitate the transport of fatty acids and lipidic elements to the mycobacterial cell wall remains elusive. Here, we report 7 structures of the M. smegmatis MmpL3 transporter in its unbound state and in complex with trehalose 6-decanoate (T6D) or TMM using single-particle cryo-electron microscopy (cryo-EM) and X-ray crystallography. Combined with calculated results from molecular dynamics (MD) and target MD simulations, we reveal a lipid transport mechanism that involves a coupled movement of the periplasmic domain and transmembrane helices of the MmpL3 transporter that facilitates the shuttling of lipids to the mycobacterial cell wall.
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Affiliation(s)
- Chih-Chia Su
- Department of Pharmacology, Case Western Reserve University School of Medicine, Cleveland, Ohio, United States of America
| | - Philip A. Klenotic
- Department of Pharmacology, Case Western Reserve University School of Medicine, Cleveland, Ohio, United States of America
| | - Meng Cui
- Department of Pharmaceutical Sciences, Northeastern University School of Pharmacy, Boston, Massachusetts, United States of America
| | - Meinan Lyu
- Department of Pharmacology, Case Western Reserve University School of Medicine, Cleveland, Ohio, United States of America
| | - Christopher E. Morgan
- Department of Pharmacology, Case Western Reserve University School of Medicine, Cleveland, Ohio, United States of America
| | - Edward W. Yu
- Department of Pharmacology, Case Western Reserve University School of Medicine, Cleveland, Ohio, United States of America
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23
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Klenotic PA, Moseng MA, Morgan CE, Yu EW. Structural and Functional Diversity of Resistance-Nodulation-Cell Division Transporters. Chem Rev 2021; 121:5378-5416. [PMID: 33211490 PMCID: PMC8119314 DOI: 10.1021/acs.chemrev.0c00621] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Multidrug resistant (MDR) bacteria are a global threat with many common infections becoming increasingly difficult to eliminate. While significant effort has gone into the development of potent biocides, the effectiveness of many first-line antibiotics has been diminished due to adaptive resistance mechanisms. Bacterial membrane proteins belonging to the resistance-nodulation-cell division (RND) superfamily play significant roles in mediating bacterial resistance to antimicrobials. They participate in multidrug efflux and cell wall biogenesis to transform bacterial pathogens into "superbugs" that are resistant even to last resort antibiotics. In this review, we summarize the RND superfamily of efflux transporters with a primary focus on the assembly and function of the inner membrane pumps. These pumps are critical for extrusion of antibiotics from the cell as well as the transport of lipid moieties to the outer membrane to establish membrane rigidity and stability. We analyze recently solved structures of bacterial inner membrane efflux pumps as to how they bind and transport their substrates. Our cumulative data indicate that these RND membrane proteins are able to utilize different oligomerization states to achieve particular activities, including forming MDR pumps and cell wall remodeling machineries, to ensure bacterial survival. This mechanistic insight, combined with simulated docking techniques, allows for the design and optimization of new efflux pump inhibitors to more effectively treat infections that today are difficult or impossible to cure.
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Affiliation(s)
- Philip A. Klenotic
- Department of Pharmacology, Case Western Reserve University School of Medicine, Cleveland OH 44106, USA
| | - Mitchell A. Moseng
- Department of Pharmacology, Case Western Reserve University School of Medicine, Cleveland OH 44106, USA
| | - Christopher E. Morgan
- Department of Pharmacology, Case Western Reserve University School of Medicine, Cleveland OH 44106, USA
| | - Edward W. Yu
- Department of Pharmacology, Case Western Reserve University School of Medicine, Cleveland OH 44106, USA
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24
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Farjallah A, Chiarelli LR, Forbak M, Degiacomi G, Danel M, Goncalves F, Carayon C, Seguin C, Fumagalli M, Záhorszká M, Vega E, Abid S, Grzegorzewicz A, Jackson M, Peixoto A, Korduláková J, Pasca MR, Lherbet C, Chassaing S. A Coumarin-Based Analogue of Thiacetazone as Dual Covalent Inhibitor and Potential Fluorescent Label of HadA in Mycobacterium tuberculosis. ACS Infect Dis 2021; 7:552-565. [PMID: 33617235 DOI: 10.1021/acsinfecdis.0c00325] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A novel coumarin-based molecule, designed as a fluorescent surrogate of a thiacetazone-derived antitubercular agent, was quickly and easily synthesized from readily available starting materials. This small molecule, coined Coum-TAC, exhibited a combination of appropriate physicochemical and biological properties, including resistance toward hydrolysis and excellent antitubercular efficiency similar to that of well-known thiacetazone derivatives, as well as efficient covalent labeling of HadA, a relevant therapeutic target to combat Mycobacterium tuberculosis. More remarkably, Coum-TAC was successfully implemented as an imaging probe that is capable of labeling Mycobacterium tuberculosis in a selective manner, with an enrichment at the level of the poles, thus giving for the first time relevant insights about the polar localization of HadA in the mycobacteria.
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Affiliation(s)
- Asma Farjallah
- ITAV, Université de Toulouse, CNRS USR3505, UPS, 1 place Pierre Potier, 31106 Toulouse Cedex 1, France
- Laboratoire de Chimie Appliquée: Hétérocycles, Corps Gras et Polymères, Faculté des sciences de Sfax, Université de Sfax, Sfax, Tunisie
| | - Laurent R. Chiarelli
- Department of Biology and Biotechnology “Lazzaro Spallanzani”, University of Pavia, via Ferrata 9, 27100 Pavia, Italy
| | - Martin Forbak
- Department of Biochemistry, Comenius University in Bratislava, Faculty of Natural Sciences, Mlynská Dolina, Ilkovičova 6, 842 15 Bratislava, Slovakia
| | - Giulia Degiacomi
- Department of Biology and Biotechnology “Lazzaro Spallanzani”, University of Pavia, via Ferrata 9, 27100 Pavia, Italy
| | - Mathieu Danel
- ITAV, Université de Toulouse, CNRS USR3505, UPS, 1 place Pierre Potier, 31106 Toulouse Cedex 1, France
| | - Fernanda Goncalves
- ITAV, Université de Toulouse, CNRS USR3505, UPS, 1 place Pierre Potier, 31106 Toulouse Cedex 1, France
- Laboratoire de Synthèse et Physico-Chimie de Molécules d’Intérêt Biologique (SPCMIB), Université Paul Sabatier-Toulouse III/CNRS (UMR5068), 118 route de Narbonne, F-31062 Toulouse, France
| | - Chantal Carayon
- Laboratoire de Synthèse et Physico-Chimie de Molécules d’Intérêt Biologique (SPCMIB), Université Paul Sabatier-Toulouse III/CNRS (UMR5068), 118 route de Narbonne, F-31062 Toulouse, France
| | - Cendrine Seguin
- Laboratoire de Conception et Application de Molécules Bioactives (LCAMB), CNRS-UMR7199, Université de Strasbourg, Faculté de Pharmacie, 74 route du Rhin, 67401 Illkirch, France
| | - Marco Fumagalli
- Department of Biology and Biotechnology “Lazzaro Spallanzani”, University of Pavia, via Ferrata 9, 27100 Pavia, Italy
| | - Monika Záhorszká
- Department of Biochemistry, Comenius University in Bratislava, Faculty of Natural Sciences, Mlynská Dolina, Ilkovičova 6, 842 15 Bratislava, Slovakia
| | - Elodie Vega
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, 205 route de Narbonne, 31400 Toulouse, France
| | - Souhir Abid
- Chemistry Department, College of Science and Arts, Jouf University, Al Qurayyat, Saudi Arabia
- Laboratoire de Chimie Appliquée: Hétérocycles, Corps Gras et Polymères, Faculté des sciences de Sfax, Université de Sfax, Sfax, Tunisie
| | - Anna Grzegorzewicz
- Mycobacteria Research Laboratories, Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, Colorado 80523-1682, United States
| | - Mary Jackson
- Mycobacteria Research Laboratories, Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, Colorado 80523-1682, United States
| | - Antonio Peixoto
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, 205 route de Narbonne, 31400 Toulouse, France
| | - Jana Korduláková
- Department of Biochemistry, Comenius University in Bratislava, Faculty of Natural Sciences, Mlynská Dolina, Ilkovičova 6, 842 15 Bratislava, Slovakia
| | - Maria Rosalia Pasca
- Department of Biology and Biotechnology “Lazzaro Spallanzani”, University of Pavia, via Ferrata 9, 27100 Pavia, Italy
| | - Christian Lherbet
- ITAV, Université de Toulouse, CNRS USR3505, UPS, 1 place Pierre Potier, 31106 Toulouse Cedex 1, France
- Laboratoire de Synthèse et Physico-Chimie de Molécules d’Intérêt Biologique (SPCMIB), Université Paul Sabatier-Toulouse III/CNRS (UMR5068), 118 route de Narbonne, F-31062 Toulouse, France
| | - Stefan Chassaing
- ITAV, Université de Toulouse, CNRS USR3505, UPS, 1 place Pierre Potier, 31106 Toulouse Cedex 1, France
- Laboratoire de Synthèse, Réactivité Organiques & Catalyse (LASYROC), Institut de Chimie, CNRS-UMR7177, Université de Strasbourg, 4 rue Blaise Pascal, 67070 Strasbourg, France
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25
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Ray P, Huggett M, Turner PA, Taylor M, Cleghorn LAT, Early J, Kumar A, Bonnett SA, Flint L, Joerss D, Johnson J, Korkegian A, Mullen S, Moure AL, Davis SH, Murugesan D, Mathieson M, Caldwell N, Engelhart CA, Schnappinger D, Epemolu O, Zuccotto F, Riley J, Scullion P, Stojanovski L, Massoudi L, Robertson GT, Lenaerts AJ, Freiberg G, Kempf DJ, Masquelin T, Hipskind PA, Odingo J, Read KD, Green SR, Wyatt PG, Parish T. Spirocycle MmpL3 Inhibitors with Improved hERG and Cytotoxicity Profiles as Inhibitors of Mycobacterium tuberculosis Growth. ACS OMEGA 2021; 6:2284-2311. [PMID: 33521468 PMCID: PMC7841955 DOI: 10.1021/acsomega.0c05589] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 12/21/2020] [Indexed: 05/10/2023]
Abstract
With the emergence of multi-drug-resistant strains of Mycobacterium tuberculosis, there is a pressing need for new oral drugs with novel mechanisms of action. A number of scaffolds with potent anti-tubercular in vitro activity have been identified from phenotypic screening that appear to target MmpL3. However, the scaffolds are typically lipophilic, which facilitates partitioning into hydrophobic membranes, and several contain basic amine groups. Highly lipophilic basic amines are typically cytotoxic against mammalian cell lines and have associated off-target risks, such as inhibition of human ether-à-go-go related gene (hERG) and IKr potassium current modulation. The spirocycle compound 3 was reported to target MmpL3 and displayed promising efficacy in a murine model of acute tuberculosis (TB) infection. However, this highly lipophilic monobasic amine was cytotoxic and inhibited the hERG ion channel. Herein, the related spirocycles (1-2) are described, which were identified following phenotypic screening of the Eli Lilly corporate library against M. tuberculosis. The novel N-alkylated pyrazole portion offered improved physicochemical properties, and optimization led to identification of a zwitterion series, exemplified by lead 29, with decreased HepG2 cytotoxicity as well as limited hERG ion channel inhibition. Strains with mutations in MmpL3 were resistant to 29, and under replicating conditions, 29 demonstrated bactericidal activity against M. tuberculosis. Unfortunately, compound 29 had no efficacy in an acute model of TB infection; this was most likely due to the in vivo exposure remaining above the minimal inhibitory concentration for only a limited time.
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Affiliation(s)
- Peter
C. Ray
- Drug
Discovery Unit, Division of Biological Chemistry and Drug Discovery,
College of Life Sciences, University of
Dundee, Dundee DD1 5EH, U.K.
| | - Margaret Huggett
- Drug
Discovery Unit, Division of Biological Chemistry and Drug Discovery,
College of Life Sciences, University of
Dundee, Dundee DD1 5EH, U.K.
| | - Penelope A. Turner
- Drug
Discovery Unit, Division of Biological Chemistry and Drug Discovery,
College of Life Sciences, University of
Dundee, Dundee DD1 5EH, U.K.
| | - Malcolm Taylor
- Drug
Discovery Unit, Division of Biological Chemistry and Drug Discovery,
College of Life Sciences, University of
Dundee, Dundee DD1 5EH, U.K.
| | - Laura A. T. Cleghorn
- Drug
Discovery Unit, Division of Biological Chemistry and Drug Discovery,
College of Life Sciences, University of
Dundee, Dundee DD1 5EH, U.K.
| | - Julie Early
- TB
Discovery Research, Infectious Disease Research
Institute, 1616 Eastlake Avenue East, Suite 400, Seattle, Washington 98102, United States
| | - Anuradha Kumar
- TB
Discovery Research, Infectious Disease Research
Institute, 1616 Eastlake Avenue East, Suite 400, Seattle, Washington 98102, United States
| | - Shilah A. Bonnett
- TB
Discovery Research, Infectious Disease Research
Institute, 1616 Eastlake Avenue East, Suite 400, Seattle, Washington 98102, United States
| | - Lindsay Flint
- TB
Discovery Research, Infectious Disease Research
Institute, 1616 Eastlake Avenue East, Suite 400, Seattle, Washington 98102, United States
| | - Douglas Joerss
- TB
Discovery Research, Infectious Disease Research
Institute, 1616 Eastlake Avenue East, Suite 400, Seattle, Washington 98102, United States
| | - James Johnson
- TB
Discovery Research, Infectious Disease Research
Institute, 1616 Eastlake Avenue East, Suite 400, Seattle, Washington 98102, United States
| | - Aaron Korkegian
- TB
Discovery Research, Infectious Disease Research
Institute, 1616 Eastlake Avenue East, Suite 400, Seattle, Washington 98102, United States
| | - Steven Mullen
- TB
Discovery Research, Infectious Disease Research
Institute, 1616 Eastlake Avenue East, Suite 400, Seattle, Washington 98102, United States
| | - Abraham L. Moure
- Drug
Discovery Unit, Division of Biological Chemistry and Drug Discovery,
College of Life Sciences, University of
Dundee, Dundee DD1 5EH, U.K.
| | - Susan H. Davis
- Drug
Discovery Unit, Division of Biological Chemistry and Drug Discovery,
College of Life Sciences, University of
Dundee, Dundee DD1 5EH, U.K.
| | - Dinakaran Murugesan
- Drug
Discovery Unit, Division of Biological Chemistry and Drug Discovery,
College of Life Sciences, University of
Dundee, Dundee DD1 5EH, U.K.
| | - Michael Mathieson
- Drug
Discovery Unit, Division of Biological Chemistry and Drug Discovery,
College of Life Sciences, University of
Dundee, Dundee DD1 5EH, U.K.
| | - Nicola Caldwell
- Drug
Discovery Unit, Division of Biological Chemistry and Drug Discovery,
College of Life Sciences, University of
Dundee, Dundee DD1 5EH, U.K.
| | - Curtis A. Engelhart
- Department
of Microbiology and Immunology, Weill Cornell
Medical College, New York, New York 10065, United States
| | - Dirk Schnappinger
- Department
of Microbiology and Immunology, Weill Cornell
Medical College, New York, New York 10065, United States
| | - Ola Epemolu
- Drug
Discovery Unit, Division of Biological Chemistry and Drug Discovery,
College of Life Sciences, University of
Dundee, Dundee DD1 5EH, U.K.
| | - Fabio Zuccotto
- Drug
Discovery Unit, Division of Biological Chemistry and Drug Discovery,
College of Life Sciences, University of
Dundee, Dundee DD1 5EH, U.K.
| | - Jennifer Riley
- Drug
Discovery Unit, Division of Biological Chemistry and Drug Discovery,
College of Life Sciences, University of
Dundee, Dundee DD1 5EH, U.K.
| | - Paul Scullion
- Drug
Discovery Unit, Division of Biological Chemistry and Drug Discovery,
College of Life Sciences, University of
Dundee, Dundee DD1 5EH, U.K.
| | - Laste Stojanovski
- Drug
Discovery Unit, Division of Biological Chemistry and Drug Discovery,
College of Life Sciences, University of
Dundee, Dundee DD1 5EH, U.K.
| | - Lisa Massoudi
- Mycobacteria
Research Laboratories, Colorado State University, 200 W. Lake Street, Fort Collins, Colorado 80523-1682, United States
| | - Gregory T. Robertson
- Mycobacteria
Research Laboratories, Colorado State University, 200 W. Lake Street, Fort Collins, Colorado 80523-1682, United States
| | - Anne J. Lenaerts
- Mycobacteria
Research Laboratories, Colorado State University, 200 W. Lake Street, Fort Collins, Colorado 80523-1682, United States
| | - Gail Freiberg
- AbbVie, 1 North Waukegan Road, North Chicago, Illinois 60064, United States
| | - Dale J. Kempf
- AbbVie, 1 North Waukegan Road, North Chicago, Illinois 60064, United States
| | - Thierry Masquelin
- Discovery
Chemistry Research, Eli Lilly and Company, Lilly Corporate Centre, MC/87/02/203, G17, Indianapolis, Indiana 46285, United States
| | | | - Joshua Odingo
- TB
Discovery Research, Infectious Disease Research
Institute, 1616 Eastlake Avenue East, Suite 400, Seattle, Washington 98102, United States
| | - Kevin D. Read
- Drug
Discovery Unit, Division of Biological Chemistry and Drug Discovery,
College of Life Sciences, University of
Dundee, Dundee DD1 5EH, U.K.
| | - Simon R. Green
- Drug
Discovery Unit, Division of Biological Chemistry and Drug Discovery,
College of Life Sciences, University of
Dundee, Dundee DD1 5EH, U.K.
| | - Paul G. Wyatt
- Drug
Discovery Unit, Division of Biological Chemistry and Drug Discovery,
College of Life Sciences, University of
Dundee, Dundee DD1 5EH, U.K.
| | - Tanya Parish
- TB
Discovery Research, Infectious Disease Research
Institute, 1616 Eastlake Avenue East, Suite 400, Seattle, Washington 98102, United States
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26
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Grover S, Engelhart CA, Pérez-Herrán E, Li W, Abrahams KA, Papavinasasundaram K, Bean JM, Sassetti CM, Mendoza-Losana A, Besra GS, Jackson M, Schnappinger D. Two-Way Regulation of MmpL3 Expression Identifies and Validates Inhibitors of MmpL3 Function in Mycobacterium tuberculosis. ACS Infect Dis 2021; 7:141-152. [PMID: 33319550 PMCID: PMC7802072 DOI: 10.1021/acsinfecdis.0c00675] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
![]()
MmpL3,
an essential mycolate transporter in the inner membrane
of Mycobacterium tuberculosis (Mtb), has been identified as a target of multiple, chemically diverse
antitubercular drugs. However, several of these molecules seem to
have secondary targets and inhibit bacterial growth by more than one
mechanism. Here, we describe a cell-based assay that utilizes two-way
regulation of MmpL3 expression to readily identify MmpL3-specific
inhibitors. We successfully used this assay to identify a novel guanidine-based
MmpL3 inhibitor from a library of 220 compounds that inhibit growth
of Mtb by largely unknown mechanisms. We furthermore
identified inhibitors of cytochrome bc1-aa3 oxidase as one class of off-target hits in whole-cell screens for
MmpL3 inhibitors and report a novel sulfanylacetamide as a potential
QcrB inhibitor.
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Affiliation(s)
- Shipra Grover
- Department of Microbiology and Immunology, Weill Cornell Medicine, New York, New York 10065, United States
| | - Curtis A. Engelhart
- Department of Microbiology and Immunology, Weill Cornell Medicine, New York, New York 10065, United States
| | - Esther Pérez-Herrán
- TB Research Unit, Global Health R&D, GlaxoSmithKline, Severo Ochoa 2, Tres Cantos, Madrid 28760, Spain
| | - Wei Li
- Mycobacteria Research Laboratories, Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, Colorado 80523, United States
| | - Katherine A. Abrahams
- Institute of Microbiology and Infection, School of Biological Sciences, University of Birmingham, Birmingham B15 2TT, U.K
| | - Kadamba Papavinasasundaram
- Department of Microbiology and Physiological Systems, University of Massachusetts Medical School, Worcester, Massachusetts 01655, United States
| | - James M. Bean
- Sloan Kettering Institute, New York, New York 10065, United States
| | - Christopher M. Sassetti
- Department of Microbiology and Physiological Systems, University of Massachusetts Medical School, Worcester, Massachusetts 01655, United States
| | - Alfonso Mendoza-Losana
- TB Research Unit, Global Health R&D, GlaxoSmithKline, Severo Ochoa 2, Tres Cantos, Madrid 28760, Spain
| | - Gurdyal S. Besra
- Institute of Microbiology and Infection, School of Biological Sciences, University of Birmingham, Birmingham B15 2TT, U.K
| | - Mary Jackson
- Mycobacteria Research Laboratories, Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, Colorado 80523, United States
| | - Dirk Schnappinger
- Department of Microbiology and Immunology, Weill Cornell Medicine, New York, New York 10065, United States
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27
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Tınmaz F, İlhan İÖ, Akkoç S. Preparation and Properties of Some New Pyrazole Derivatives. ORG PREP PROCED INT 2020. [DOI: 10.1080/00304948.2020.1846449] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Feyza Tınmaz
- Faculty of Sciences, Department of Chemistry, Erciyes University, Kayseri, Turkey
| | - İlhan Özer İlhan
- Faculty of Sciences, Department of Chemistry, Erciyes University, Kayseri, Turkey
| | - Senem Akkoç
- Faculty of Pharmacy, Department of Basic Pharmaceutical Sciences, Suleyman Demirel University, Isparta, Turkey
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Fullam E, Young RJ. Physicochemical properties and Mycobacterium tuberculosis transporters: keys to efficacious antitubercular drugs? RSC Med Chem 2020; 12:43-56. [PMID: 34041481 PMCID: PMC8130550 DOI: 10.1039/d0md00265h] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 10/15/2020] [Indexed: 12/14/2022] Open
Abstract
Securing novel, safe, and effective medicines to treat Mycobacterium tuberculosis remains an elusive goal, particularly influenced by the largely impervious Mtb envelope that limits exposure and thus efficacy of inhibitors at their cellular and periplasmic targets. The impact of physicochemical properties on pharmacokinetic parameters that govern oral absorption and exposure at sites of infection is considered alongside how these properties influence penetration of the Mtb envelope, with the likely influence of transporter proteins. The findings are discussed to benchmark current drugs and the emerging pipeline, whilst considering tactics for future rational and targeted design strategies, based around emerging data on Mtb transporters and their structures and functions.
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Affiliation(s)
- Elizabeth Fullam
- School of Life Sciences, University of Warwick Coventry CV4 7AL UK
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29
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Sethiya JP, Sowards MA, Jackson M, North EJ. MmpL3 Inhibition: A New Approach to Treat Nontuberculous Mycobacterial Infections. Int J Mol Sci 2020; 21:E6202. [PMID: 32867307 PMCID: PMC7503588 DOI: 10.3390/ijms21176202] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 08/20/2020] [Accepted: 08/20/2020] [Indexed: 12/11/2022] Open
Abstract
Outside of Mycobacterium tuberculosis and Mycobacterium leprae, nontuberculous mycobacteria (NTM) are environmental mycobacteria (>190 species) and are classified as slow- or rapid-growing mycobacteria. Infections caused by NTM show an increased incidence in immunocompromised patients and patients with underlying structural lung disease. The true global prevalence of NTM infections remains unknown because many countries do not require mandatory reporting of the infection. This is coupled with a challenging diagnosis and identification of the species. Current therapies for treatment of NTM infections require multidrug regimens for a minimum of 18 months and are associated with serious adverse reactions, infection relapse, and high reinfection rates, necessitating discovery of novel antimycobacterial agents. Robust drug discovery processes have discovered inhibitors targeting mycobacterial membrane protein large 3 (MmpL3), a protein responsible for translocating mycolic acids from the inner membrane to periplasm in the biosynthesis of the mycobacterial cell membrane. This review focuses on promising new chemical scaffolds that inhibit MmpL3 function and represent interesting and promising putative drug candidates for the treatment of NTM infections. Additionally, agents (FS-1, SMARt-420, C10) that promote reversion of drug resistance are also reviewed.
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Affiliation(s)
- Jigar P. Sethiya
- Department of Pharmacy Sciences, School of Pharmacy & Health Professions, Creighton University, Omaha, NE 68178, USA; (J.P.S.); (M.A.S.)
| | - Melanie A. Sowards
- Department of Pharmacy Sciences, School of Pharmacy & Health Professions, Creighton University, Omaha, NE 68178, USA; (J.P.S.); (M.A.S.)
| | - Mary Jackson
- Mycobacteria Research Laboratories, Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, CO 80523, USA;
| | - Elton Jeffrey North
- Department of Pharmacy Sciences, School of Pharmacy & Health Professions, Creighton University, Omaha, NE 68178, USA; (J.P.S.); (M.A.S.)
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30
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Shao M, McNeil M, Cook GM, Lu X. MmpL3 inhibitors as antituberculosis drugs. Eur J Med Chem 2020; 200:112390. [DOI: 10.1016/j.ejmech.2020.112390] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Revised: 04/24/2020] [Accepted: 04/24/2020] [Indexed: 12/14/2022]
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31
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Volynets GP, Tukalo MA, Bdzhola VG, Derkach NM, Gumeniuk MI, Tarnavskiy SS, Yarmoluk SM. Novel isoniazid derivative as promising antituberculosis agent. Future Microbiol 2020; 15:869-879. [PMID: 32662670 DOI: 10.2217/fmb-2019-0085] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Background: A major focus of tuberculosis drug discovery is aimed at the development of novel antibiotics with activity against drug-resistant strains of Mycobacterium tuberculosis. Results: We have synthesized ten isoniazid derivatives and investigated for antibacterial activity toward M. tuberculosis H37Rv and isoniazid-resistant strain SRI 1369. It was revealed that only one compound, isonicotinic acid (1-methyl-1H-pyrrol-2-ylmethylene)-hydrazide (1), is active toward isoniazid-resistant strain with minimum inhibitory concentration value of 0.14 μM. This compound is not cytotoxic toward human liver cells (HepG2; IC50 >100 μM), demonstrates good permeability in Caco-2 cells. Accordingly to the results of plasma protein binding assay, unbound fraction of compound 1, which potentially exhibits pharmacologic effects, is 57.9%. Conclusion: Therefore, isonicotinic acid (1-methyl-1H-pyrrol-2-ylmethylene)-hydrazide is a promising compound for further preclinical studies.
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Affiliation(s)
- Galyna P Volynets
- Department of Medicinal Chemistry, Institute of Molecular Biology & Genetics, NAS of Ukraine, 150 Zabolotnogo St., Kyiv 03143, Ukraine
| | - Michail A Tukalo
- Department of Protein Synthesis Enzymology, Institute of Molecular Biology & Genetics, NAS of Ukraine, 150 Zabolotnogo St., Kyiv 03143, Ukraine
| | - Volodymyr G Bdzhola
- Department of Medicinal Chemistry, Institute of Molecular Biology & Genetics, NAS of Ukraine, 150 Zabolotnogo St., Kyiv 03143, Ukraine
| | - Nataliia M Derkach
- Department of Nonspecific Lung Diseases Treatment Technologies, National Institute of Phthisiology & Pulmonology named after F.G. Yanovsky NAMS of Ukraine, 10, M. Amosova Str., Kyiv 03038, Ukraine
| | - Mykola I Gumeniuk
- Department of Nonspecific Lung Diseases Treatment Technologies, National Institute of Phthisiology & Pulmonology named after F.G. Yanovsky NAMS of Ukraine, 10, M. Amosova Str., Kyiv 03038, Ukraine
| | - Sergiy S Tarnavskiy
- Department of Medicinal Chemistry, Institute of Molecular Biology & Genetics, NAS of Ukraine, 150 Zabolotnogo St., Kyiv 03143, Ukraine
| | - Sergiy M Yarmoluk
- Department of Medicinal Chemistry, Institute of Molecular Biology & Genetics, NAS of Ukraine, 150 Zabolotnogo St., Kyiv 03143, Ukraine
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32
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Mycobacterial Cell Wall: A Source of Successful Targets for Old and New Drugs. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10072278] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Eighty years after the introduction of the first antituberculosis (TB) drug, the treatment of drug-susceptible TB remains very cumbersome, requiring the use of four drugs (isoniazid, rifampicin, ethambutol and pyrazinamide) for two months followed by four months on isoniazid and rifampicin. Two of the drugs used in this “short”-course, six-month chemotherapy, isoniazid and ethambutol, target the mycobacterial cell wall. Disruption of the cell wall structure can enhance the entry of other TB drugs, resulting in a more potent chemotherapy. More importantly, inhibition of cell wall components can lead to mycobacterial cell death. The complexity of the mycobacterial cell wall offers numerous opportunities to develop drugs to eradicate Mycobacterium tuberculosis, the causative agent of TB. In the past 20 years, researchers from industrial and academic laboratories have tested new molecules to find the best candidates that will change the face of TB treatment: drugs that will shorten TB treatment and be efficacious against active and latent, as well as drug-resistant TB. Two of these new TB drugs block components of the mycobacterial cell wall and have reached phase 3 clinical trial. This article reviews TB drugs targeting the mycobacterial cell wall in use clinically and those in clinical development.
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33
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Ma S, Huang Y, Xie F, Gong Z, Zhang Y, Stojkoska A, Xie J. Transport mechanism of Mycobacterium tuberculosis MmpL/S family proteins and implications in pharmaceutical targeting. Biol Chem 2020; 401:331-348. [DOI: 10.1515/hsz-2019-0326] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2019] [Accepted: 09/06/2019] [Indexed: 12/13/2022]
Abstract
AbstractTuberculosis caused by Mycobacterium tuberculosis remains a serious threat to public health. The M. tuberculosis cell envelope is closely related to its virulence and drug resistance. Mycobacterial membrane large proteins (MmpL) are lipid-transporting proteins of the efflux pump resistance nodulation cell division (RND) superfamily with lipid substrate specificity and non-transport lipid function. Mycobacterial membrane small proteins (MmpS) are small regulatory proteins, and they are also responsible for some virulence-related effects as accessory proteins of MmpL. The MmpL transporters are the candidate targets for the development of anti-tuberculosis drugs. This article summarizes the structure, function, phylogenetics of M. tuberculosis MmpL/S proteins and their roles in host immune response, inhibitors and regulatory system.
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Affiliation(s)
- Shuang Ma
- Institute of Modern Biopharmaceuticals, State Key Laboratory Breeding Base of Eco-Environment and Bio-Resource of the Three Gorges Area, Key Laboratory of Eco-environments in Three Gorges Reservoir Region, Ministry of Education, School of Life Sciences, Southwest University, Chongqing 400700, China
| | - Yu Huang
- Institute of Modern Biopharmaceuticals, State Key Laboratory Breeding Base of Eco-Environment and Bio-Resource of the Three Gorges Area, Key Laboratory of Eco-environments in Three Gorges Reservoir Region, Ministry of Education, School of Life Sciences, Southwest University, Chongqing 400700, China
| | - Fuling Xie
- Institute of Modern Biopharmaceuticals, State Key Laboratory Breeding Base of Eco-Environment and Bio-Resource of the Three Gorges Area, Key Laboratory of Eco-environments in Three Gorges Reservoir Region, Ministry of Education, School of Life Sciences, Southwest University, Chongqing 400700, China
| | - Zhen Gong
- Institute of Modern Biopharmaceuticals, State Key Laboratory Breeding Base of Eco-Environment and Bio-Resource of the Three Gorges Area, Key Laboratory of Eco-environments in Three Gorges Reservoir Region, Ministry of Education, School of Life Sciences, Southwest University, Chongqing 400700, China
| | - Yuan Zhang
- Institute of Modern Biopharmaceuticals, State Key Laboratory Breeding Base of Eco-Environment and Bio-Resource of the Three Gorges Area, Key Laboratory of Eco-environments in Three Gorges Reservoir Region, Ministry of Education, School of Life Sciences, Southwest University, Chongqing 400700, China
| | - Andrea Stojkoska
- Institute of Modern Biopharmaceuticals, State Key Laboratory Breeding Base of Eco-Environment and Bio-Resource of the Three Gorges Area, Key Laboratory of Eco-environments in Three Gorges Reservoir Region, Ministry of Education, School of Life Sciences, Southwest University, Chongqing 400700, China
| | - Jianping Xie
- Institute of Modern Biopharmaceuticals, State Key Laboratory Breeding Base of Eco-Environment and Bio-Resource of the Three Gorges Area, Key Laboratory of Eco-environments in Three Gorges Reservoir Region, Ministry of Education, School of Life Sciences, Southwest University, Chongqing 400700, China
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Khaligh NG, Abbo H, Titinchi SJ, Johan MR. An Overview of Recent Advances in Biological and Pharmaceutical Developments of Fluoro-containing Drugs. CURR ORG CHEM 2020. [DOI: 10.2174/1385272824666191213123930] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
:
This review article provides a brief assessment of the biological and pharmaceutical
developments of fluorinated drugs. It also discusses possible impacts on the further
development of new fluoro-containing pharmaceuticals. Structural aspects of new
drug-candidates currently under development and their biological properties, therapeutic
potential and syntheses are critically evaluated
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Affiliation(s)
- Nader G. Khaligh
- Nanotechnology and Catalysis Research Center, Institute of Postgraduate Studies, University of Malaya, 50603 Kuala Lumpur, Malaysia
| | - Hanna Abbo
- Department of Chemistry, College of Science, University of Basrah, Basrah, Iraq
| | - Salam J.J. Titinchi
- Department of Chemistry, University of the Western Cape, Cape Town, South Africa
| | - Mohd R. Johan
- Nanotechnology and Catalysis Research Center, Institute of Postgraduate Studies, University of Malaya, 50603 Kuala Lumpur, Malaysia
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35
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Dulberger CL, Rubin EJ, Boutte CC. The mycobacterial cell envelope - a moving target. Nat Rev Microbiol 2019; 18:47-59. [PMID: 31728063 DOI: 10.1038/s41579-019-0273-7] [Citation(s) in RCA: 156] [Impact Index Per Article: 31.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/16/2019] [Indexed: 01/12/2023]
Abstract
Mycobacterium tuberculosis, the leading cause of death due to infection, has a dynamic and immunomodulatory cell envelope. The cell envelope structurally and functionally varies across the length of the cell and during the infection process. This variability allows the bacterium to manipulate the human immune system, tolerate antibiotic treatment and adapt to the variable host environment. Much of what we know about the mycobacterial cell envelope has been gleaned from model actinobacterial species, or model conditions such as growth in vitro, in macrophages and in the mouse. In this Review, we combine data from different experimental systems to build a model of the dynamics of the mycobacterial cell envelope across space and time. We describe the regulatory pathways that control metabolism of the cell wall and surface lipids in M. tuberculosis during growth and stasis, and speculate about how this regulation might affect antibiotic susceptibility and interactions with the immune system.
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Affiliation(s)
- Charles L Dulberger
- Department of Molecular and Cellular Biology, Harvard University, Boston, MA, USA.,Department of Immunology and Infectious Diseases, Harvard T. H. Chan School of Public Health, Boston, MA, USA
| | - Eric J Rubin
- Department of Immunology and Infectious Diseases, Harvard T. H. Chan School of Public Health, Boston, MA, USA.,Department of Microbiology, Harvard Medical School, Boston, MA, USA
| | - Cara C Boutte
- Department of Biology, University of Texas at Arlington, Arlington, TX, USA.
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36
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Poce G, Consalvi S, Venditti G, Alfonso S, Desideri N, Fernandez-Menendez R, Bates RH, Ballell L, Barros Aguirre D, Rullas J, De Logu A, Gardner M, Ioerger TR, Rubin EJ, Biava M. Novel Pyrazole-Containing Compounds Active against Mycobacterium tuberculosis. ACS Med Chem Lett 2019; 10:1423-1429. [PMID: 31620228 DOI: 10.1021/acsmedchemlett.9b00204] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Accepted: 09/18/2019] [Indexed: 01/09/2023] Open
Abstract
In this study, a series of 49 five-membered heterocyclic compounds containing either a pyridine- or a pyrrole-type nitrogen were synthesized and tested against Mycobacterium tuberculosis. Among them, only the 1,3,5-trisubstituted pyrazoles 5-49 exhibited minimum inhibitory concentration values in the low micromolar range, and some also exhibited an improved physicochemical profile without cytotoxic effects. Three pyrazoles were subjected to an animal tuberculosis efficacy model, and compound 6 induced a statistically significant difference in lung bacterial counts compared with untreated mice. Moreover, to determine the target of this series, resistors were generated, and whole genome sequencing revealed mutations in the mmpL3 gene.
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Affiliation(s)
- Giovanna Poce
- Department of Chemistry and Technologies of Drug, Sapienza University of Rome, Piazzale A. Moro 5, 00185 Rome, Italy
| | - Sara Consalvi
- Department of Chemistry and Technologies of Drug, Sapienza University of Rome, Piazzale A. Moro 5, 00185 Rome, Italy
| | - Giulia Venditti
- Department of Chemistry and Technologies of Drug, Sapienza University of Rome, Piazzale A. Moro 5, 00185 Rome, Italy
| | - Salvatore Alfonso
- Diseases of the Developing World, GlaxoSmithKline, Calle Severo Ochoa 2, 28760 Tres Cantos, Madrid, Spain
| | - Nicoletta Desideri
- Department of Chemistry and Technologies of Drug, Sapienza University of Rome, Piazzale A. Moro 5, 00185 Rome, Italy
| | - Raquel Fernandez-Menendez
- Diseases of the Developing World, GlaxoSmithKline, Calle Severo Ochoa 2, 28760 Tres Cantos, Madrid, Spain
| | - Robert H. Bates
- Diseases of the Developing World, GlaxoSmithKline, Calle Severo Ochoa 2, 28760 Tres Cantos, Madrid, Spain
| | - Lluis Ballell
- Diseases of the Developing World, GlaxoSmithKline, Calle Severo Ochoa 2, 28760 Tres Cantos, Madrid, Spain
| | - David Barros Aguirre
- Diseases of the Developing World, GlaxoSmithKline, Calle Severo Ochoa 2, 28760 Tres Cantos, Madrid, Spain
| | - Joaquin Rullas
- Diseases of the Developing World, GlaxoSmithKline, Calle Severo Ochoa 2, 28760 Tres Cantos, Madrid, Spain
| | - Alessandro De Logu
- Department of Life and Environmental Sciences, University of Cagliari, via Ospedale 72, 09124 Cagliari, Italy
| | - Michelle Gardner
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, 677 Huntington Avenue, Boston, Massachusetts 02115, United States
| | - Thomas R. Ioerger
- Department of Computer Science, Texas A&M University, 3112 TAMU, College Station, Texas 77843, United States
| | - Eric J. Rubin
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, 677 Huntington Avenue, Boston, Massachusetts 02115, United States
| | - Mariangela Biava
- Department of Chemistry and Technologies of Drug, Sapienza University of Rome, Piazzale A. Moro 5, 00185 Rome, Italy
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1 H-Benzo[ d]Imidazole Derivatives Affect MmpL3 in Mycobacterium tuberculosis. Antimicrob Agents Chemother 2019; 63:AAC.00441-19. [PMID: 31332069 DOI: 10.1128/aac.00441-19] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Accepted: 07/15/2019] [Indexed: 12/29/2022] Open
Abstract
1H-benzo[d]imidazole derivatives exhibit antitubercular activity in vitro at a nanomolar range of concentrations and are not toxic to human cells, but their mode of action remains unknown. Here, we showed that these compounds are active against intracellular Mycobacterium tuberculosis To identify their target, we selected drug-resistant M. tuberculosis mutants and then used whole-genome sequencing to unravel mutations in the essential mmpL3 gene, which encodes the integral membrane protein that catalyzes the export of trehalose monomycolate, a precursor of the mycobacterial outer membrane component trehalose dimycolate (TDM), as well as mycolic acids bound to arabinogalactan. The drug-resistant phenotype was also observed in the parental strain overexpressing the mmpL3 alleles carrying the mutations identified in the resistors. However, no cross-resistance was observed between 1H-benzo[d]imidazole derivatives and SQ109, another MmpL3 inhibitor, or other first-line antitubercular drugs. Metabolic labeling and quantitative thin-layer chromatography (TLC) analysis of radiolabeled lipids from M. tuberculosis cultures treated with the benzoimidazoles indicated an inhibition of trehalose dimycolate (TDM) synthesis, as well as reduced levels of mycolylated arabinogalactan, in agreement with the inhibition of MmpL3 activity. Overall, this study emphasizes the pronounced activity of 1H-benzo[d]imidazole derivatives in interfering with mycolic acid metabolism and their potential for therapeutic application in the fight against tuberculosis.
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38
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Computational studies on N-phenyl pyrrole derivatives as MmpL3 inhibitors in Mycobacterium tuberculosis. Comput Biol Chem 2018; 78:81-94. [PMID: 30500556 DOI: 10.1016/j.compbiolchem.2018.11.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Revised: 11/10/2018] [Accepted: 11/14/2018] [Indexed: 01/06/2023]
Abstract
The fight against tuberculosis (TB) is a time immemorial one and the emergence of new drug resistant strains of Mycobacterium tuberculosis keeps throwing new challenges to the scientific community immersed in finding mechanisms to control this dreaded disease. Computer aided drug designing (CADD) is one of the several approaches that can assist in identifying the potent actives against Mycobacterium. In this work, a series of 109 known Mycobacterial membrane proteins large 3 (MmpL3) inhibitors were pooled and atom based 3D QSAR analysis was performed to understand the structural features essential for inhibitory activity against the MmpL3, known to be a key player in transporting substances critical for cell wall integrity of Mycobacterium. The data set employed was randomly split into training set and test set molecules. The training set of 74 molecules was used to derive CoMFA and CoMSIA models that were statistically reliable (CoMFA: q2loo = 0.53; r2ncv = 0.93 and CoMSIA: q2loo = 0.60; r2ncv = 0.93). The derived models also exhibited good external predictive ability (CoMFA: r2pred = 0.78 and CoMSIA: r2pred = 0.79). The results are quite encouraging and information derived from these analyses was applied to design new molecules. The designed molecule showed appreciable predicted activity values and reasonably good ADMET profile. The strategy used in designing new molecules can be pursued in the hunt for new chemical entities targeting MmpL3, expanding the existing arsenal against TB.
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39
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Bartzoka ED, Lange H, Poce G, Crestini C. Stimuli-Responsive Tannin-Fe III Hybrid Microcapsules Demonstrated by the Active Release of an Anti-Tuberculosis Agent. CHEMSUSCHEM 2018; 11:3975-3991. [PMID: 30204941 DOI: 10.1002/cssc.201801546] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Revised: 09/10/2018] [Indexed: 05/08/2023]
Abstract
A simple and facile strategy for the creation of ferric tannin microcapsules around a liquid, non-sacrificial core is described. The assembly of the capsules occurs rapidly once ferric tannin complexes are subjected to ultrasonic treatment. The driving forces for the rapid capsule assembly reside in the strategy of adding ferric ions into the initial emulsion, which promotes shell formation and stability through well-known complexation effects. This is the first time that microcapsule assemblies of monomeric tannins like epigallocatechin-3-O-gallate has been demonstrated, which are reportedly unable to form dispersing microcapsules in the absence of a templating metal. The efficacy of the approach is demonstrated by the complete release of a hydrophobic molecule that is active against M. tuberculosis by using Acacia tannin capsules. The release kinetics of the active molecule were of zeroth order over a 12 h time frame.
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Affiliation(s)
- Elisavet D Bartzoka
- University of Rome 'Tor Vergata', Department of Chemical Sciences and Technologies, Via della Ricerca Scientifica, 1, 00133, Rome, Italy
| | - Heiko Lange
- University of Rome 'Tor Vergata', Department of Chemical Sciences and Technologies, Via della Ricerca Scientifica, 1, 00133, Rome, Italy
| | - Giovanna Poce
- Sapienza University of Rome, Department of Chemistry and Technology of Drugs, Piazzale A. Moro, 5, 00185, Rome, Italy
| | - Claudia Crestini
- University of Rome 'Tor Vergata', Department of Chemical Sciences and Technologies, Via della Ricerca Scientifica, 1, 00133, Rome, Italy
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40
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De Groote MA, Jarvis TC, Wong C, Graham J, Hoang T, Young CL, Ribble W, Day J, Li W, Jackson M, Gonzalez-Juarrero M, Sun X, Ochsner UA. Optimization and Lead Selection of Benzothiazole Amide Analogs Toward a Novel Antimycobacterial Agent. Front Microbiol 2018; 9:2231. [PMID: 30294313 PMCID: PMC6158578 DOI: 10.3389/fmicb.2018.02231] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Accepted: 08/31/2018] [Indexed: 12/14/2022] Open
Abstract
Mycobacteria remain an important problem worldwide, especially drug resistant human pathogens. Novel therapeutics are urgently needed to tackle both drug-resistant tuberculosis (TB) and difficult-to-treat infections with nontuberculous mycobacteria (NTM). Benzothiazole adamantyl amide had previously emerged as a high throughput screening hit against M. tuberculosis (Mtb) and was subsequently found to be active against NTM as well. For lead optimization, we applied an iterative process of design, synthesis and screening of several 100 analogs to improve antibacterial potency as well as physicochemical and pharmacological properties to ultimately achieve efficacy. Replacement of the adamantyl group with cyclohexyl derivatives, including bicyclic moieties, resulted in advanced lead compounds that showed excellent potency and a mycobacteria-specific spectrum of activity. MIC values ranged from 0.03 to 0.12 μg/mL against M. abscessus (Mabs) and other rapid- growing NTM, 1–2 μg/mL against M. avium complex (MAC), and 0.12–0.5 μg/mL against Mtb. No pre-existing resistance was found in a collection of n = 54 clinical isolates of rapid-growing NTM. Unlike many antibacterial agents commonly used to treat mycobacterial infections, benzothiazole amides demonstrated bactericidal effects against both Mtb and Mabs. Metabolic labeling provided evidence that the compounds affect the transfer of mycolic acids to their cell envelope acceptors in mycobacteria. Mapping of resistance mutations pointed to the trehalose monomycolate transporter (MmpL3) as the most likely target. In vivo efficacy and tolerability of a benzothiazole amide was demonstrated in a mouse model of chronic NTM lung infection with Mabs. Once daily dosing over 4 weeks by intrapulmonary microspray administration as 5% corn oil/saline emulsion achieved statistically significant CFU reductions compared to vehicle control and non-inferiority compared to azithromycin. The benzothiazole amides hold promise for development of a novel therapeutic agent with broad antimycobacterial activity, though further work is needed to develop drug formulations for direct intrapulmonary delivery via aerosol.
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Affiliation(s)
- Mary A De Groote
- Mycobacteria Research Laboratories, Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, CO, United States
| | | | | | | | | | | | | | - Joshua Day
- Crestone, Inc., Boulder, CO, United States
| | - Wei Li
- Mycobacteria Research Laboratories, Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, CO, United States
| | - Mary Jackson
- Mycobacteria Research Laboratories, Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, CO, United States
| | - Mercedes Gonzalez-Juarrero
- Mycobacteria Research Laboratories, Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, CO, United States
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Mori G, Orena BS, Franch C, Mitchenall LA, Godbole AA, Rodrigues L, Aguilar-Pérez C, Zemanová J, Huszár S, Forbak M, Lane TR, Sabbah M, Deboosere N, Frita R, Vandeputte A, Hoffmann E, Russo R, Connell N, Veilleux C, Jha RK, Kumar P, Freundlich JS, Brodin P, Aínsa JA, Nagaraja V, Maxwell A, Mikušová K, Pasca MR, Ekins S. The EU approved antimalarial pyronaridine shows antitubercular activity and synergy with rifampicin, targeting RNA polymerase. Tuberculosis (Edinb) 2018; 112:98-109. [PMID: 30205975 DOI: 10.1016/j.tube.2018.08.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Revised: 08/03/2018] [Accepted: 08/05/2018] [Indexed: 12/19/2022]
Abstract
The search for compounds with biological activity for many diseases is turning increasingly to drug repurposing. In this study, we have focused on the European Union-approved antimalarial pyronaridine which was found to have in vitro activity against Mycobacterium tuberculosis (MIC 5 μg/mL). In macromolecular synthesis assays, pyronaridine resulted in a severe decrease in incorporation of 14C-uracil and 14C-leucine similar to the effect of rifampicin, a known inhibitor of M. tuberculosis RNA polymerase. Surprisingly, the co-administration of pyronaridine (2.5 μg/ml) and rifampicin resulted in in vitro synergy with an MIC 0.0019-0.0009 μg/mL. This was mirrored in a THP-1 macrophage infection model, with a 16-fold MIC reduction for rifampicin when the two compounds were co-administered versus rifampicin alone. Docking pyronaridine in M. tuberculosis RNA polymerase suggested the potential for it to bind outside of the RNA polymerase rifampicin binding pocket. Pyronaridine was also found to have activity against a M. tuberculosis clinical isolate resistant to rifampicin, and when combined with rifampicin (10% MIC) was able to inhibit M. tuberculosis RNA polymerase in vitro. All these findings, and in particular the synergistic behavior with the antitubercular rifampicin, inhibition of RNA polymerase in combination in vitro and its current use as a treatment for malaria, may suggest that pyronaridine could also be used as an adjunct for treatment against M. tuberculosis infection. Future studies will test potential for in vivo synergy, clinical utility and attempt to develop pyronaridine analogs with improved potency against M. tuberculosis RNA polymerase when combined with rifampicin.
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Affiliation(s)
- Giorgia Mori
- Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia, 27100 Pavia, Italy
| | - Beatrice Silvia Orena
- Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia, 27100 Pavia, Italy
| | - Clara Franch
- Department of Biological Chemistry, John Innes Centre, Norwich Research Park, Norwich NR4 7UH, UK
| | - Lesley A Mitchenall
- Department of Biological Chemistry, John Innes Centre, Norwich Research Park, Norwich NR4 7UH, UK
| | - Adwait Anand Godbole
- Department of Microbiology and Cell Biology, Indian Institute of Science, Bangalore 560012, India
| | - Liliana Rodrigues
- Departamento de Microbiología, Facultad de Medicina, and BIFI, Universidad de Zaragoza, and IIS-Aragón, 50009 Zaragoza, Spain; CIBER Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Spain; Fundación ARAID, Zaragoza, Spain
| | - Clara Aguilar-Pérez
- Departamento de Microbiología, Facultad de Medicina, and BIFI, Universidad de Zaragoza, and IIS-Aragón, 50009 Zaragoza, Spain; CIBER Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Spain
| | - Júlia Zemanová
- Department of Biochemistry, Faculty of Natural Sciences, Comenius University in Bratislava, Mlynská dolina, Ilkovičova 6, 84215, Bratislava, Slovakia
| | - Stanislav Huszár
- Department of Biochemistry, Faculty of Natural Sciences, Comenius University in Bratislava, Mlynská dolina, Ilkovičova 6, 84215, Bratislava, Slovakia
| | - Martin Forbak
- Department of Biochemistry, Faculty of Natural Sciences, Comenius University in Bratislava, Mlynská dolina, Ilkovičova 6, 84215, Bratislava, Slovakia
| | - Thomas R Lane
- Collaborations Pharmaceuticals, Inc., 840 Main Campus Drive, Lab 3510, Raleigh, NC 27606, USA
| | - Mohamad Sabbah
- Department of Chemistry, University of Cambridge, Lensfield Rd, Cambridge, CB2 1EW, UK
| | - Nathalie Deboosere
- Univ Lille, CNRS, INSERM, CHU Lille, Institut Pasteur de Lille, U1019 - UMR 8204 - CIIL - Center for Infection and Immunity of Lille, 1 rue du Professeur Calmette, 59000 Lille, France
| | - Rosangela Frita
- Univ Lille, CNRS, INSERM, CHU Lille, Institut Pasteur de Lille, U1019 - UMR 8204 - CIIL - Center for Infection and Immunity of Lille, 1 rue du Professeur Calmette, 59000 Lille, France
| | - Alexandre Vandeputte
- Univ Lille, CNRS, INSERM, CHU Lille, Institut Pasteur de Lille, U1019 - UMR 8204 - CIIL - Center for Infection and Immunity of Lille, 1 rue du Professeur Calmette, 59000 Lille, France
| | - Eik Hoffmann
- Univ Lille, CNRS, INSERM, CHU Lille, Institut Pasteur de Lille, U1019 - UMR 8204 - CIIL - Center for Infection and Immunity of Lille, 1 rue du Professeur Calmette, 59000 Lille, France
| | - Riccardo Russo
- Division of Infectious Disease, Department of Medicine and the Ruy V. Lourenço Center for the Study of Emerging and Re-emerging Pathogens, Rutgers University - New Jersey Medical School, Newark, NJ 07103, USA
| | - Nancy Connell
- Division of Infectious Disease, Department of Medicine and the Ruy V. Lourenço Center for the Study of Emerging and Re-emerging Pathogens, Rutgers University - New Jersey Medical School, Newark, NJ 07103, USA
| | - Courtney Veilleux
- Division of Infectious Disease, Department of Medicine and the Ruy V. Lourenço Center for the Study of Emerging and Re-emerging Pathogens, Rutgers University - New Jersey Medical School, Newark, NJ 07103, USA
| | - Rajiv K Jha
- Department of Microbiology and Cell Biology, Indian Institute of Science, Bangalore 560012, India
| | - Pradeep Kumar
- Division of Infectious Disease, Department of Medicine and the Ruy V. Lourenço Center for the Study of Emerging and Re-emerging Pathogens, Rutgers University - New Jersey Medical School, Newark, NJ 07103, USA
| | - Joel S Freundlich
- Division of Infectious Disease, Department of Medicine and the Ruy V. Lourenço Center for the Study of Emerging and Re-emerging Pathogens, Rutgers University - New Jersey Medical School, Newark, NJ 07103, USA; Department of Pharmacology, Physiology, and Neuroscience, Rutgers University - New Jersey Medical School, Newark, NJ, 07103, USA
| | - Priscille Brodin
- Univ Lille, CNRS, INSERM, CHU Lille, Institut Pasteur de Lille, U1019 - UMR 8204 - CIIL - Center for Infection and Immunity of Lille, 1 rue du Professeur Calmette, 59000 Lille, France
| | - Jose Antonio Aínsa
- Departamento de Microbiología, Facultad de Medicina, and BIFI, Universidad de Zaragoza, and IIS-Aragón, 50009 Zaragoza, Spain; CIBER Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Spain
| | - Valakunja Nagaraja
- Department of Microbiology and Cell Biology, Indian Institute of Science, Bangalore 560012, India; Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore 560064, India
| | - Anthony Maxwell
- Department of Biological Chemistry, John Innes Centre, Norwich Research Park, Norwich NR4 7UH, UK
| | - Katarína Mikušová
- Department of Biochemistry, Faculty of Natural Sciences, Comenius University in Bratislava, Mlynská dolina, Ilkovičova 6, 84215, Bratislava, Slovakia
| | - Maria Rosalia Pasca
- Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia, 27100 Pavia, Italy
| | - Sean Ekins
- Collaborations Pharmaceuticals, Inc., 840 Main Campus Drive, Lab 3510, Raleigh, NC 27606, USA; Collaborative Drug Discovery, 1633 Bayshore Highway, Suite 342, Burlingame, CA 94403, USA.
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Liu P, Yang Y, Ju Y, Tang Y, Sang Z, Chen L, Yang T, An Q, Zhang T, Luo Y. Design, synthesis and biological evaluation of novel pyrrole derivatives as potential ClpP1P2 inhibitor against Mycobacterium tuberculosis. Bioorg Chem 2018; 80:422-432. [PMID: 30005200 DOI: 10.1016/j.bioorg.2018.06.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Revised: 05/21/2018] [Accepted: 06/03/2018] [Indexed: 02/05/2023]
Abstract
In an effort to discover novel inhibitors of M. tuberculosis Caseinolytic proteases (ClpP1P2), a combination strategy of virtual high-throughput screening and in vitro assay was employed and a new pyrrole compound, 1-(2-chloro-6-fluorobenzyl)-2, 5-dimethyl-4-((phenethylamino)methyl)-1H-pyrrole-3-carboxylate was found to display inhibitory effects against H37Ra with an MIC value of 77 µM. In order for discovery of more potent anti-tubercular agents that inhibit ClpP1P2 peptidase in M. tuberculosis, a series of pyrrole derivatives were designed and synthesized based on this hit compound. The synthesized compounds were evaluated forin vitrostudies against ClpP1P2 peptidase and anti-tubercular activities were also evaluated. The most promising compounds 2-(4-bromophenyl)-N-((1-(2-chloro-6-fluorophenyl)-2, 5-dimethyl-1H- pyrrolyl)methyl)ethan-1-aminehydrochloride 7d, ethyl 4-(((4-bromophenethyl) amino) methyl)-2,5-dimethyl-1-phenyl-1H-pyrrole-3-carboxylate hydrochloride 13i, ethyl 1-(4-chlorophenyl)-4-(((2-fluorophenethyl)amino)methyl)-2-methyl-5-phenyl-1H-pyrrole-3-carboxylate hydrochloride 13n exhibited favorable anti-mycobacterial activity with MIC value at 5 µM against Mtb H37Ra, respectively.
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Affiliation(s)
- Pingxian Liu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu 610041, China
| | - Yang Yang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu 610041, China
| | - Yuan Ju
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu 610041, China
| | - Yunxiang Tang
- State Key Laboratory of Respiratory Disease, Guangzhou Regenerative Medicine and Health Guangdong Laboratory (GRMH-GDL), Guangzhou Institutes of Biomedicine and Health (GIBH), Chinese Academy of Sciences (CAS), Guangzhou 510530, China; Institute of Physical Science and Information Technology, Anhui University, Hefei 230601, China
| | - Zitai Sang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu 610041, China
| | - Lijuan Chen
- Guangdong Zhongsheng Pharmaceutical Co., Ltd, Dongguan, Guangdong 523325, China
| | - Tao Yang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu 610041, China.
| | - Qi An
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu 610041, China
| | - Tianyu Zhang
- State Key Laboratory of Respiratory Disease, Guangzhou Regenerative Medicine and Health Guangdong Laboratory (GRMH-GDL), Guangzhou Institutes of Biomedicine and Health (GIBH), Chinese Academy of Sciences (CAS), Guangzhou 510530, China.
| | - Youfu Luo
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu 610041, China.
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AlMatar M, Makky EA, Var I, Kayar B, Köksal F. Novel compounds targeting InhA for TB therapy. Pharmacol Rep 2018; 70:217-226. [DOI: 10.1016/j.pharep.2017.09.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Revised: 07/26/2017] [Accepted: 09/12/2017] [Indexed: 02/07/2023]
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Campaniço A, Moreira R, Lopes F. Drug discovery in tuberculosis. New drug targets and antimycobacterial agents. Eur J Med Chem 2018; 150:525-545. [DOI: 10.1016/j.ejmech.2018.03.020] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Revised: 03/05/2018] [Accepted: 03/06/2018] [Indexed: 01/24/2023]
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45
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Poce G, Cocozza M, Alfonso S, Consalvi S, Venditti G, Fernandez-Menendez R, Bates RH, Barros Aguirre D, Ballell L, De Logu A, Vistoli G, Biava M. In vivo potent BM635 analogue with improved drug-like properties. Eur J Med Chem 2018; 145:539-550. [DOI: 10.1016/j.ejmech.2017.12.075] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Revised: 12/20/2017] [Accepted: 12/22/2017] [Indexed: 10/18/2022]
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46
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Wavhale RD, Martis EA, Ambre PK, Wan B, Franzblau SG, Iyer KR, Raikuvar K, Macegoniuk K, Berlicki Ł, Nandan SR, Coutinho EC. Discovery of new leads against Mycobacterium tuberculosis using scaffold hopping and shape based similarity. Bioorg Med Chem 2017; 25:4835-4844. [DOI: 10.1016/j.bmc.2017.07.034] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Revised: 06/30/2017] [Accepted: 07/17/2017] [Indexed: 01/01/2023]
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Abstract
The defining feature of the mycobacterial outer membrane (OM) is the presence of mycolic acids (MAs), which, in part, render the bilayer extremely hydrophobic and impermeable to external insults, including many antibiotics. Although the biosynthetic pathway of MAs is well studied, the mechanism(s) by which these lipids are transported across the cell envelope is(are) much less known. Mycobacterial membrane protein Large 3 (MmpL3), an essential inner membrane (IM) protein, is implicated in MA transport, but its exact function has not been elucidated. It is believed to be the cellular target of several antimycobacterial compounds; however, evidence for direct inhibition of MmpL3 activity is also lacking. Here, we establish that MmpL3 is the MA flippase at the IM of mycobacteria and is the molecular target of BM212, a 1,5-diarylpyrrole compound. We develop assays that selectively access mycolates on the surface of Mycobacterium smegmatis spheroplasts, allowing us to monitor flipping of MAs across the IM. Using these assays, we establish the mechanism of action of BM212 as a potent MmpL3 inhibitor, and use it as a molecular probe to demonstrate the requirement for functional MmpL3 in the transport of MAs across the IM. Finally, we show that BM212 binds MmpL3 directly and inhibits its activity. Our work provides fundamental insights into OM biogenesis and MA transport in mycobacteria. Furthermore, our assays serve as an important platform for accelerating the validation of small molecules that target MmpL3, and their development as future antituberculosis drugs.
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48
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Venditti G, Poce G, Consalvi S, Biava M. 1,5-Diarylpyrroles as potent antitubercular and anti-inflammatory agents. Chem Heterocycl Compd (N Y) 2017. [DOI: 10.1007/s10593-017-2050-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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49
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Perkowski EF, Zulauf KE, Weerakoon D, Hayden JD, Ioerger TR, Oreper D, Gomez SM, Sacchettini JC, Braunstein M. The EXIT Strategy: an Approach for Identifying Bacterial Proteins Exported during Host Infection. mBio 2017; 8:e00333-17. [PMID: 28442606 PMCID: PMC5405230 DOI: 10.1128/mbio.00333-17] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2017] [Accepted: 04/04/2017] [Indexed: 12/12/2022] Open
Abstract
Exported proteins of bacterial pathogens function both in essential physiological processes and in virulence. Past efforts to identify exported proteins were limited by the use of bacteria growing under laboratory (in vitro) conditions. Thus, exported proteins that are exported only or preferentially in the context of infection may be overlooked. To solve this problem, we developed a genome-wide method, named EXIT (exported in vivotechnology), to identify proteins that are exported by bacteria during infection and applied it to Mycobacterium tuberculosis during murine infection. Our studies validate the power of EXIT to identify proteins exported during infection on an unprecedented scale (593 proteins) and to reveal in vivo induced exported proteins (i.e., proteins exported significantly more during in vivo infection than in vitro). Our EXIT data also provide an unmatched resource for mapping the topology of M. tuberculosis membrane proteins. As a new approach for identifying exported proteins, EXIT has potential applicability to other pathogens and experimental conditions.IMPORTANCE There is long-standing interest in identifying exported proteins of bacteria as they play critical roles in physiology and virulence and are commonly immunogenic antigens and targets of antibiotics. While significant effort has been made to identify the bacterial proteins that are exported beyond the cytoplasm to the membrane, cell wall, or host environment, current methods to identify exported proteins are limited by their use of bacteria growing under laboratory (in vitro) conditions. Because in vitro conditions do not mimic the complexity of the host environment, critical exported proteins that are preferentially exported in the context of infection may be overlooked. We developed a novel method to identify proteins that are exported by bacteria during host infection and applied it to identify Mycobacterium tuberculosis proteins exported in a mouse model of tuberculosis.
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Affiliation(s)
- E F Perkowski
- Department of Microbiology and Immunology, University of North Carolina-Chapel Hill, Chapel Hill, North Carolina, USA
| | - K E Zulauf
- Department of Microbiology and Immunology, University of North Carolina-Chapel Hill, Chapel Hill, North Carolina, USA
| | - D Weerakoon
- Department of Microbiology and Immunology, University of North Carolina-Chapel Hill, Chapel Hill, North Carolina, USA
| | - J D Hayden
- Department of Microbiology and Immunology, University of North Carolina-Chapel Hill, Chapel Hill, North Carolina, USA
| | - T R Ioerger
- Department of Computer Science and Engineering, Texas A&M University, College Station, Texas, USA
| | - D Oreper
- Joint Department of Biomedical Engineering at UNC-Chapel Hill and NC State University, Chapel Hill, North Carolina, USA
| | - S M Gomez
- Joint Department of Biomedical Engineering at UNC-Chapel Hill and NC State University, Chapel Hill, North Carolina, USA
| | - J C Sacchettini
- Department of Biochemistry and Biophysics, Texas A&M University, College Station, Texas, USA
| | - M Braunstein
- Department of Microbiology and Immunology, University of North Carolina-Chapel Hill, Chapel Hill, North Carolina, USA
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50
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Poce G, Consalvi S, Cocozza M, Fernandez-Menendez R, Bates RH, Ortega Muro F, Barros Aguirre D, Ballell L, Biava M. Pharmaceutical salt of BM635 with improved bioavailability. Eur J Pharm Sci 2016; 99:17-23. [PMID: 27939618 DOI: 10.1016/j.ejps.2016.12.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2016] [Revised: 12/01/2016] [Accepted: 12/03/2016] [Indexed: 11/18/2022]
Abstract
BM635 is a small molecule endowed with outstanding anti-mycobacterial activity (minimum inhibitory concentration of 0.12μM against M. tuberculosis H37Rv) identified during a hit-to-lead campaign. Its poor aqueous solubility together with its high lipophilicity led to low exposure in vivo. Indeed, the half-life in vivo of BM635 was 1h, allowing a reasonable maximum concentration (Cmax=1.62μM) and a moderate bioavailability (46%). The present study aimed to develop salt forms of BM635 with pharmaceutically accepted hydrochloric, methanesulphonic, phosphoric, tartaric, and citric acids to overcome these drawbacks. BM635 salts (BM635-HCl, BM635-Mes, BM635-PA, BM635-TA and BM635-CA) were evaluated for physicochemical as well as biopharmaceutical attributes.
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Affiliation(s)
- Giovanna Poce
- Dipartimento di Chimica e Tecnologie del Farmaco, "Sapienza" Università di Roma, Rome, Italy.
| | - Sara Consalvi
- Dipartimento di Chimica e Tecnologie del Farmaco, "Sapienza" Università di Roma, Rome, Italy
| | - Martina Cocozza
- Dipartimento di Chimica e Tecnologie del Farmaco, "Sapienza" Università di Roma, Rome, Italy
| | - Raquel Fernandez-Menendez
- Diseases of the Developing World, Tres Cantos Medicines Development Campus, GSK, Tres Cantos, Madrid, Spain
| | - Robert H Bates
- Diseases of the Developing World, Tres Cantos Medicines Development Campus, GSK, Tres Cantos, Madrid, Spain
| | - Fátima Ortega Muro
- Diseases of the Developing World, Tres Cantos Medicines Development Campus, GSK, Tres Cantos, Madrid, Spain
| | - David Barros Aguirre
- Diseases of the Developing World, Tres Cantos Medicines Development Campus, GSK, Tres Cantos, Madrid, Spain
| | - Lluis Ballell
- Diseases of the Developing World, Tres Cantos Medicines Development Campus, GSK, Tres Cantos, Madrid, Spain
| | - Mariangela Biava
- Dipartimento di Chimica e Tecnologie del Farmaco, "Sapienza" Università di Roma, Rome, Italy
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