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Kim HW, Lee JW, Yu AR, Yoon HS, Kang M, Lee BS, Park HW, Lee SK, Whang J, Kim JS. Isoegomaketone exhibits potential as a new Mycobacterium abscessus inhibitor. Front Microbiol 2024; 15:1344914. [PMID: 38585695 PMCID: PMC10996855 DOI: 10.3389/fmicb.2024.1344914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 02/15/2024] [Indexed: 04/09/2024] Open
Abstract
Although the incidence of Mycobacterium abscessus infection has recently increased significantly, treatment is difficult because this bacterium is resistant to most anti-tuberculosis drugs. In particular, M. abscessus is often resistant to available macrolide antibiotics, so therapeutic options are extremely limited. Hence, there is a pressing demand to create effective drugs or therapeutic regimens for M. abscessus infections. The aim of the investigation was to assess the capability of isoegomaketone (iEMK) as a therapeutic option for treating M. abscessus infections. We determined the minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of iEMK for both reference and clinically isolated M. abscessus strains. In addition to time-kill and biofilm formation assays, we evaluated iEMK's capability to inhibit M. abscessus growth in macrophages using an intracellular colony counting assay. iEMK inhibited the growth of reference and clinically isolated M. abscessus strains in macrophages and demonstrated effectiveness at lower concentrations against macrophage-infected M. abscessus than when used to treat the bacteria directly. Importantly, iEMK also exhibited anti-biofilm properties and the potential to mitigate macrolide-inducible resistance, underscoring its promise as a standalone or adjunctive therapeutic agent. Overall, our results suggest that further development of iEMK as a clinical drug candidate is promising for inhibiting M. abscessus growth, especially considering its dual action against both planktonic bacteria and biofilms.
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Affiliation(s)
- Ho Won Kim
- Myunggok Medical Research Institute, College of Medicine, Konyang University, Daejeon, Republic of Korea
| | - Ji Won Lee
- Myunggok Medical Research Institute, College of Medicine, Konyang University, Daejeon, Republic of Korea
| | - A-Reum Yu
- Myunggok Medical Research Institute, College of Medicine, Konyang University, Daejeon, Republic of Korea
| | - Hoe Sun Yoon
- Myunggok Medical Research Institute, College of Medicine, Konyang University, Daejeon, Republic of Korea
| | - Minji Kang
- Korea Mycobacterium Resource Center (KMRC), Department of Research and Development, The Korean Institute of Tuberculosis, Osong, Republic of Korea
| | - Byung Soo Lee
- Department of Obstetrics and Gynecology, Konyang University Hospital, Daejeon, Republic of Korea
| | - Hwan-Woo Park
- Department of Cell Biology, Konyang University College of Medicine, Daejeon, Republic of Korea
| | - Sung Ki Lee
- Department of Obstetrics and Gynecology, Konyang University Hospital, Daejeon, Republic of Korea
| | - Jake Whang
- Korea Mycobacterium Resource Center (KMRC), Department of Research and Development, The Korean Institute of Tuberculosis, Osong, Republic of Korea
| | - Jong-Seok Kim
- Myunggok Medical Research Institute, College of Medicine, Konyang University, Daejeon, Republic of Korea
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Nguyen TQ, Heo BE, Jeon S, Ash A, Lee H, Moon C, Jang J. Exploring antibiotic resistance mechanisms in Mycobacterium abscessus for enhanced therapeutic approaches. Front Microbiol 2024; 15:1331508. [PMID: 38380095 PMCID: PMC10877060 DOI: 10.3389/fmicb.2024.1331508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 01/17/2024] [Indexed: 02/22/2024] Open
Abstract
Mycobacterium abscessus, a leading cause of severe lung infections in immunocompromised individuals, poses significant challenges for current therapeutic strategies due to resistance mechanisms. Therefore, understanding the intrinsic and acquired antibiotic resistance of M. abscessus is crucial for effective treatment. This review highlights the mechanisms employed by M. abscessus to sustain antibiotic resistance, encompassing not only conventional drugs but also newly discovered drug candidates. This comprehensive analysis aims to identify novel entities capable of overcoming the notorious resistance exhibited by M. abscessus, providing insights for the development of more effective therapeutic interventions.
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Affiliation(s)
- Thanh Quang Nguyen
- Division of Life Science, Department of Bio & Medical Big Data (BK21 Four Program), Research Institute of Life Science, Gyeongsang National University, Jinju, Republic of Korea
| | - Bo Eun Heo
- Division of Life Science, Department of Bio & Medical Big Data (BK21 Four Program), Research Institute of Life Science, Gyeongsang National University, Jinju, Republic of Korea
| | - Seunghyeon Jeon
- Division of Life Science, Department of Bio & Medical Big Data (BK21 Four Program), Research Institute of Life Science, Gyeongsang National University, Jinju, Republic of Korea
| | - Anwesha Ash
- Division of Life Science, Department of Bio & Medical Big Data (BK21 Four Program), Research Institute of Life Science, Gyeongsang National University, Jinju, Republic of Korea
| | - Heehyun Lee
- Division of Life Science, Department of Bio & Medical Big Data (BK21 Four Program), Research Institute of Life Science, Gyeongsang National University, Jinju, Republic of Korea
| | - Cheol Moon
- Department of Clinical Laboratory Science, Semyung University, Jecheon, Republic of Korea
| | - Jichan Jang
- Division of Life Science, Department of Bio & Medical Big Data (BK21 Four Program), Research Institute of Life Science, Gyeongsang National University, Jinju, Republic of Korea
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Mamada SS, Nainu F, Masyita A, Frediansyah A, Utami RN, Salampe M, Emran TB, Lima CMG, Chopra H, Simal-Gandara J. Marine Macrolides to Tackle Antimicrobial Resistance of Mycobacterium tuberculosis. Mar Drugs 2022; 20:691. [PMID: 36355013 PMCID: PMC9697125 DOI: 10.3390/md20110691] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 10/26/2022] [Accepted: 10/27/2022] [Indexed: 09/01/2023] Open
Abstract
Tuberculosis has become a major health problem globally. This is worsened by the emergence of resistant strains of Mycobacterium tuberculosis showing ability to evade the effectiveness of the current antimycobacterial therapies. Therefore, the efforts carried out to explore new entities from many sources, including marine, are critical. This review summarizes several marine-derived macrolides that show promising activity against M. tuberculosis. We also provide information regarding the biosynthetic processes of marine macrolides, including the challenges that are usually experienced in this process. As most of the studies reporting the antimycobacterial activities of the listed marine macrolides are based on in vitro studies, the future direction should consider expanding the trials to in vivo and clinical trials. In addition, in silico studies should also be explored for a quick screening on marine macrolides with potent activities against mycobacterial infection. To sum up, macrolides derived from marine organisms might become therapeutical options for tackling antimycobacterial resistance of M. tuberculosis.
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Affiliation(s)
- Sukamto S. Mamada
- Department of Pharmacy, Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Indonesia
| | - Firzan Nainu
- Department of Pharmacy, Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Indonesia
| | - Ayu Masyita
- Department of Pharmaceutical Science and Technology, Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Indonesia
- Research Center for Vaccine and Drugs, Research Organization for Health, National Research and Innovation Agency (BRIN), Tangerang Selatan 15318, Indonesia
| | - Andri Frediansyah
- Research Center for Food Technology and Processing, National Research and Innovation Agency (BRIN), Yogyakarta 55861, Indonesia
| | - Rifka Nurul Utami
- Department of Pharmaceutical Science and Technology, Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Indonesia
- Institute of Pharmaceutical Science, King’s College London, London SE1 9NH, UK
| | | | - Talha Bin Emran
- Department of Pharmacy, BGC Trust University Bangladesh, Chittagong 4381, Bangladesh
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh
| | | | - Hitesh Chopra
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Jesus Simal-Gandara
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E32004 Ourense, Spain
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Bich Hanh BT, Quang NT, Park Y, Heo BE, Jeon S, Park JW, Jang J. Omadacycline Potentiates Clarithromycin Activity Against Mycobacterium abscessus. Front Pharmacol 2021; 12:790767. [PMID: 34955859 PMCID: PMC8693020 DOI: 10.3389/fphar.2021.790767] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 11/15/2021] [Indexed: 11/29/2022] Open
Abstract
Mycobacterium abscessus is a difficult respiratory pathogen to treat, when compared to other nontuberculus mycobacteria (NTM), due to its drug resistance. In this study, we aimed to find a new clarithromycin partner that potentiated strong, positive, synergy against M. abscessus among current anti-M. abscessus drugs, including omadacycline, amikacin, rifabutin, bedaquiline, and cefoxitine. First, we determined the minimum inhibitory concentrations required of all the drugs tested for M. abscessus subsp. abscessus CIP104536T treatment using a resazurin microplate assay. Next, the best synergistic partner for clarithromycin against M. abscessus was determined using an in vitro checkerboard combination assay. Among the drug combinations evaluated, omadacycline showed the best synergistic effect with clarithromycin, with a fractional inhibitory concentration index of 0.4. This positive effect was also observed against M. abscessus clinical isolates and anti-M. abscessus drug resistant strains. Lastly, this combination was further validated using a M. abscessus infected zebrafish model. In this model, the clarithromycin-omadacyline regimen was found to inhibit the dissemination of M. abscessus, and it significantly extended the lifespan of the M. abscessus infected zebrafish. In summation, the synergy between two anti-M. abscessus compounds, clarithromycin and omadacycline, provides an attractive foundation for a new M. abscessus treatment regimen.
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Affiliation(s)
- Bui Thi Bich Hanh
- Division of Applied Life Science (BK21 Four Program), Research Institute of Life Science, Gyeongsang National University, Jinju, South Korea
| | - Nguyen Thanh Quang
- Division of Life Science, Department of Bio & Medical Big Data (BK21 Four Program), Research Institute of Life Science, Gyeongsang National University, Jinju, South Korea
| | - Yujin Park
- Division of Life Science, Department of Bio & Medical Big Data (BK21 Four Program), Research Institute of Life Science, Gyeongsang National University, Jinju, South Korea
| | - Bo Eun Heo
- Division of Life Science, Department of Bio & Medical Big Data (BK21 Four Program), Research Institute of Life Science, Gyeongsang National University, Jinju, South Korea
| | - Seunghyeon Jeon
- Division of Life Science, Gyeongsang National University, Jinju, South Korea
| | - June-Woo Park
- Department of Environmental Toxicology and Chemistry, Korea Institute of Toxicology, Korea & Human and Environmental Toxicology Program, Korea University of Science and Technology (UST), Daejeon, South Korea
| | - Jichan Jang
- Division of Life Science, Department of Bio & Medical Big Data (BK21 Four Program), Research Institute of Life Science, Gyeongsang National University, Jinju, South Korea.,Division of Life Science, Gyeongsang National University, Jinju, South Korea
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Quang NT, Jang J. Current Molecular Therapeutic Agents and Drug Candidates for Mycobacterium abscessus. Front Pharmacol 2021; 12:724725. [PMID: 34526902 PMCID: PMC8435730 DOI: 10.3389/fphar.2021.724725] [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] [Received: 06/14/2021] [Accepted: 08/03/2021] [Indexed: 12/12/2022] Open
Abstract
Mycobacterium abscessus has been recognised as a dreadful respiratory pathogen among the non-tuberculous mycobacteria (NTM) because of misdiagnosis, prolonged therapy with poor treatment outcomes and a high cost. This pathogen also shows extremely high antimicrobial resistance against current antibiotics, including the anti-tuberculosis agents. Therefore, current chemotherapies require a long curative period and the clinical outcomes are not satisfactory. Thus, there is an urgent need for discovering and developing novel, more effective anti-M. abscessus drugs. In this review, we sum the effectiveness of the current anti-M. abscessus drugs and drug candidates. Furthermore, we describe the shortcomings and difficulties associated with M. abscessus drug discovery and development.
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Affiliation(s)
- Nguyen Thanh Quang
- Molecular Mechanisms of Antibiotics, Division of Life Science, Department of Bio and Medical Big Data (BK21 Four Program), Research Institute of Life Science, Gyeongsang National University, Jinju, South Korea
| | - Jichan Jang
- Molecular Mechanisms of Antibiotics, Division of Life Science, Department of Bio and Medical Big Data (BK21 Four Program), Research Institute of Life Science, Gyeongsang National University, Jinju, South Korea
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Wang G, Tang J, Feng J, Dong W, Huo X, Lu H, Wang C, Lu W, Wang X, Chen H, Tan C. Activity of Oritavancin and Its Synergy with Other Antibiotics against Mycobacterium abscessus Infection In Vitro and In Vivo. Int J Mol Sci 2021; 22:ijms22126346. [PMID: 34198513 PMCID: PMC8231898 DOI: 10.3390/ijms22126346] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 06/08/2021] [Accepted: 06/09/2021] [Indexed: 11/16/2022] Open
Abstract
Background: Pulmonary disease caused by Mycobacterium abscessus (M. abscessus) spreads around the world, and this disease is extremely difficult to treat due to intrinsic and acquired resistance of the pathogen to many approved antibiotics. M. abscessus is regarded as one of the most drug-resistant mycobacteria, with very limited therapeutic options. Methods: Whole-cell growth inhibition assays was performed to screen and identify novel inhibitors. The IC50 of the target compounds were tested against THP-1 cells was determined to calculate the selectivity index, and then time–kill kinetics assay was performed against M. abscessus. Subsequently, the synergy of oritavancin with other antibiotics was evaluated by using checkerboard method. Finally, in vivo efficacy was determined in an immunosuppressive murine model simulating M. abscessus infection. Results: We have identified oritavancin as a potential agent against M. abscessus. Oritavancin exhibited time-concentration dependent bactericidal activity against M. abscessus and it also displayed synergy with clarithromycin, tigecycline, cefoxitin, moxifloxacin, and meropenem in vitro. Additionally, oritavancin had bactericidal effect on intracellular M. abscessus. Oritavancin significantly reduced bacterial load in lung when it was used alone or in combination with cefoxitin and meropenem. Conclusions: Our in vitro and in vivo assay results indicated that oritavancin may be a viable treatment option against M. abscessus infection.
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Affiliation(s)
- Gaoyan Wang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (G.W.); (J.T.); (J.F.); (W.D.); (X.H.); (H.L.); (C.W.); (W.L.); (X.W.); (H.C.)
| | - Jia Tang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (G.W.); (J.T.); (J.F.); (W.D.); (X.H.); (H.L.); (C.W.); (W.L.); (X.W.); (H.C.)
| | - Jiajia Feng
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (G.W.); (J.T.); (J.F.); (W.D.); (X.H.); (H.L.); (C.W.); (W.L.); (X.W.); (H.C.)
| | - Wenqi Dong
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (G.W.); (J.T.); (J.F.); (W.D.); (X.H.); (H.L.); (C.W.); (W.L.); (X.W.); (H.C.)
| | - Xinyu Huo
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (G.W.); (J.T.); (J.F.); (W.D.); (X.H.); (H.L.); (C.W.); (W.L.); (X.W.); (H.C.)
| | - Hao Lu
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (G.W.); (J.T.); (J.F.); (W.D.); (X.H.); (H.L.); (C.W.); (W.L.); (X.W.); (H.C.)
| | - Chenchen Wang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (G.W.); (J.T.); (J.F.); (W.D.); (X.H.); (H.L.); (C.W.); (W.L.); (X.W.); (H.C.)
| | - Wenjia Lu
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (G.W.); (J.T.); (J.F.); (W.D.); (X.H.); (H.L.); (C.W.); (W.L.); (X.W.); (H.C.)
| | - Xiangru Wang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (G.W.); (J.T.); (J.F.); (W.D.); (X.H.); (H.L.); (C.W.); (W.L.); (X.W.); (H.C.)
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, Wuhan 430070, China
- International Research Center for Animal Disease, Ministry of Science and Technology of the People’s Republic of China, Wuhan 430070, China
| | - Huanchun Chen
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (G.W.); (J.T.); (J.F.); (W.D.); (X.H.); (H.L.); (C.W.); (W.L.); (X.W.); (H.C.)
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, Wuhan 430070, China
- International Research Center for Animal Disease, Ministry of Science and Technology of the People’s Republic of China, Wuhan 430070, China
| | - Chen Tan
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (G.W.); (J.T.); (J.F.); (W.D.); (X.H.); (H.L.); (C.W.); (W.L.); (X.W.); (H.C.)
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, Wuhan 430070, China
- International Research Center for Animal Disease, Ministry of Science and Technology of the People’s Republic of China, Wuhan 430070, China
- Correspondence: ; Tel.: +86-027-8728-7170
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Kim T, Hanh BTB, Heo B, Quang N, Park Y, Shin J, Jeon S, Park JW, Samby K, Jang J. A Screening of the MMV Pandemic Response Box Reveals Epetraborole as a New Potent Inhibitor against Mycobacterium abscessus. Int J Mol Sci 2021; 22:ijms22115936. [PMID: 34073006 PMCID: PMC8199016 DOI: 10.3390/ijms22115936] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 05/27/2021] [Accepted: 05/27/2021] [Indexed: 12/16/2022] Open
Abstract
Mycobacterium abscessus is the one of the most feared bacterial respiratory pathogens in the world. Unfortunately, there are many problems with the current M. abscessus therapies available. These problems include misdiagnoses, high drug resistance, poor long-term treatment outcomes, and high costs. Until now, there have only been a few new compounds or drug formulations which are active against M. abscessus, and these are present in preclinical and clinical development only. With that in mind, new and more powerful anti-M. abscessus medicines need to be discovered and developed. In this study, we conducted an in vitro-dual screen against M. abscessus rough (R) and smooth (S) variants using a Pandemic Response Box and identified epetraborole as a new effective candidate for M. abscessus therapy. For further validation, epetraborole showed significant activity against the growth of the M. abscessus wild-type strain, three subspecies, drug-resistant strains and clinical isolates in vitro, while also inhibiting the growth of M. abscessus that reside in macrophages without cytotoxicity. Furthermore, the in vivo efficacy of epetraborole in the zebrafish infection model was greater than that of tigecycline. Thus, we concluded that epetraborole is a potential anti-M. abscessus candidate in the M. abscessus drug search.
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Affiliation(s)
- Taeho Kim
- Division of Applied Life Science (BK21 Four Program), Research Institute of Life Science, Gyeongsang National University, Jinju 52828, Korea; (T.K.); (B.-T.-B.H.)
| | - Bui-Thi-Bich Hanh
- Division of Applied Life Science (BK21 Four Program), Research Institute of Life Science, Gyeongsang National University, Jinju 52828, Korea; (T.K.); (B.-T.-B.H.)
| | - Boeun Heo
- Molecular Mechanisms of Antibiotics, Division of Life Science, Department of Bio & Medical Big Data (BK21 Four Program), Research Institute of Life Science, Gyeongsang National University, Jinju 52828, Korea; (B.H.); (N.Q.); (Y.P.); (J.S.)
| | - Nguyenthanh Quang
- Molecular Mechanisms of Antibiotics, Division of Life Science, Department of Bio & Medical Big Data (BK21 Four Program), Research Institute of Life Science, Gyeongsang National University, Jinju 52828, Korea; (B.H.); (N.Q.); (Y.P.); (J.S.)
| | - Yujin Park
- Molecular Mechanisms of Antibiotics, Division of Life Science, Department of Bio & Medical Big Data (BK21 Four Program), Research Institute of Life Science, Gyeongsang National University, Jinju 52828, Korea; (B.H.); (N.Q.); (Y.P.); (J.S.)
| | - Jihyeon Shin
- Molecular Mechanisms of Antibiotics, Division of Life Science, Department of Bio & Medical Big Data (BK21 Four Program), Research Institute of Life Science, Gyeongsang National University, Jinju 52828, Korea; (B.H.); (N.Q.); (Y.P.); (J.S.)
| | - Seunghyeon Jeon
- Division of Life Science, Gyeongsang National University, Jinju 52828, Korea;
| | - June-Woo Park
- Department of Environmental Toxicology and Chemistry, Korea Institute of Toxicology, Jinju 52843, Korea;
- Human and Environmental Toxicology Program, Korea University of Science and Technology (UST), Daejeon 34113, Korea
| | - Kirandeep Samby
- Medicines for Malaria Venture (MMV), 20, Route de Pré-Bois, 1215 Geneva, Switzerland;
| | - Jichan Jang
- Molecular Mechanisms of Antibiotics, Division of Life Science, Department of Bio & Medical Big Data (BK21 Four Program), Research Institute of Life Science, Gyeongsang National University, Jinju 52828, Korea; (B.H.); (N.Q.); (Y.P.); (J.S.)
- Correspondence: ; Tel.: +82-055-772-1368
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Egorova A, Jackson M, Gavrilyuk V, Makarov V. Pipeline of anti-Mycobacterium abscessus small molecules: Repurposable drugs and promising novel chemical entities. Med Res Rev 2021; 41:2350-2387. [PMID: 33645845 DOI: 10.1002/med.21798] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 02/01/2021] [Accepted: 02/17/2021] [Indexed: 12/13/2022]
Abstract
The Mycobacterium abscessus complex is a group of emerging pathogens that are difficult to treat. There are no effective drugs for successful M. abscessus pulmonary infection therapy, and existing drug regimens recommended by the British or the American Thoracic Societies are associated with poor clinical outcomes. Therefore, novel antibacterial drugs are urgently needed to contain this global threat. The current anti-M. abscessus small-molecule drug development process can be enhanced by two parallel strategies-discovery of compounds from new chemical classes and commercial drug repurposing. This review focuses on recent advances in the finding of novel small-molecule agents, and more particularly focuses on the activity, mode of action and structure-activity relationship of promising inhibitors from five different chemical classes-benzimidazoles, indole-2-carboxamides, benzothiazoles, 4-piperidinoles, and oxazolidionones. We further discuss some other interesting small molecules, such as thiacetazone derivatives and benzoboroxoles, that are in the early stages of drug development, and summarize current knowledge about the efficacy of repurposable drugs, such as rifabutin, tedizolid, bedaquiline, and others. We finally review targets of therapeutic interest in M. abscessus that may be worthy of future drug and adjunct therapeutic development.
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Affiliation(s)
- Anna Egorova
- Research Center of Biotechnology RAS, Moscow, Russia
| | - Mary Jackson
- Mycobacteria Research Laboratories, Department of Microbiology, Immunology and Pathology, Colorado State University, Colorado, Fort Collins, USA
| | | | - Vadim Makarov
- Research Center of Biotechnology RAS, Moscow, Russia
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