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Qiongxian Y, Jun D, Zhenfeng Z, Tongyou L, Zhicong T, Zhenyou T. The therapeutic potential of indole hybrids, dimers, and trimers against drug-resistant ESKAPE pathogens. Arch Pharm (Weinheim) 2024:e2400295. [PMID: 38924571 DOI: 10.1002/ardp.202400295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Revised: 06/02/2024] [Accepted: 06/04/2024] [Indexed: 06/28/2024]
Abstract
Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, and Enterobacter (ESKAPE) species as causative agents are characterized by increased levels of resistance toward multiple classes of first-line as well as last-resort antibiotics and represent serious global health concerns, creating a critical need for the development of novel antibacterials with therapeutic potential against drug-resistant ESKAPE species. Indole derivatives with structural and mechanistic diversity demonstrated broad-spectrum antibacterial activity against various clinically important pathogens including drug-resistant ESKAPE. Moreover, several indole-based agents that are exemplified by creatmycin have already been used in clinics or under clinical trials for the treatment of bacterial infections, demonstrating that indole derivatives hold great promise for the development of novel antibacterials. This review is an endeavor to highlight the current scenario of indole hybrids, dimers, and trimers with therapeutic potential against drug-resistant ESKAPE pathogens, covering articles published from 2020 to the present, to open new avenues for the exploration of novel antidrug-resistant ESKAPE candidates.
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Affiliation(s)
- Ye Qiongxian
- Guangdong Huanan Pharmaceutical Co. Ltd., Guangdong, Dongguan, China
| | - Deng Jun
- Guangdong Zhongsheng Pharmaceutical Co. Ltd., Guangdong, Dongguan, China
| | - Zhang Zhenfeng
- Guangdong Zhongsheng Pharmaceutical Co. Ltd., Guangdong, Dongguan, China
| | - Luo Tongyou
- Guangdong Xianqiang Pharmaceutical Co. Ltd., Guangdong, Guangzhou, China
| | - Tan Zhicong
- Guangdong Xianqiang Pharmaceutical Co. Ltd., Guangdong, Guangzhou, China
| | - Tan Zhenyou
- Guangdong Zhongsheng Pharmaceutical Co. Ltd., Guangdong, Dongguan, China
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, China
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Mendogralo EY, Nesterova LY, Nasibullina ER, Shcherbakov RO, Myasnikov DA, Tkachenko AG, Sidorov RY, Uchuskin MG. Synthesis, Antimicrobial and Antibiofilm Activities, and Molecular Docking Investigations of 2-(1 H-Indol-3-yl)-1 H-benzo[ d]imidazole Derivatives. Molecules 2023; 28:7095. [PMID: 37894573 PMCID: PMC10609029 DOI: 10.3390/molecules28207095] [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: 09/25/2023] [Revised: 10/11/2023] [Accepted: 10/12/2023] [Indexed: 10/29/2023] Open
Abstract
The treatment of many bacterial and fungal infections remains a problem due to increasing antibiotic resistance and biofilm formation by pathogens. In the present article, a methodology for the chemoselective synthesis of 2-(1H-indol-3-yl)-1H-benzo[d]imidazole derivatives is presented. We report on the antimicrobial activity of synthesized 2-(1H-indol-3-yl)-1H-benzo[d]imidazoles with significant activity against Staphylococcus aureus ATCC 25923, Staphylococcus aureus ATCC 43300 (MRSA), Mycobacterium smegmatis (mc(2)155/ATCC 700084), and Candida albicans ATCC 10231. High activity against staphylococci was shown by indolylbenzo[d]imidazoles 3ao and 3aq (minimum inhibitory concentration (MIC) < 1 µg/mL) and 3aa and 3ad (MIC 3.9-7.8 µg/mL). A low MIC was demonstrated by 2-(1H-indol-3-yl)-1-methyl-1H-benzo[d]imidazole (3ag) against M. smegmatis and against C. albicans (3.9 µg/mL and 3.9 µg/mL, respectively). 2-(5-Bromo-1H-indol-3-yl)-6,7-dimethyl-1H-benzo[d]imidazole (3aq) showed a low MIC of 3.9 µg/mL against C. albicans. Compounds 3aa, 3ad, 3ao, and 3aq exhibited excellent antibiofilm activity, inhibiting biofilm formation and killing cells in mature biofilms. Molecular docking analysis identified three potential interaction models for the investigated compounds, implicating (p)ppGpp synthetases/hydrolases, FtsZ proteins, or pyruvate kinases in their antibacterial action mechanism.
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Affiliation(s)
- Elena Y. Mendogralo
- Department of Chemistry, Perm State University, Bukireva St. 15, 614990 Perm, Russia; (E.R.N.); (R.O.S.); (D.A.M.); (R.Y.S.); (M.G.U.)
| | - Larisa Y. Nesterova
- Department of Biology, Perm State University, Bukireva St. 15, 614990 Perm, Russia; (L.Y.N.); (A.G.T.)
- Institute of Ecology and Genetics of Microorganisms, Perm Federal Research Center, The Ural Branch of Russian Academy of Sciences, Goleva St. 13, 614081 Perm, Russia
| | - Ekaterina R. Nasibullina
- Department of Chemistry, Perm State University, Bukireva St. 15, 614990 Perm, Russia; (E.R.N.); (R.O.S.); (D.A.M.); (R.Y.S.); (M.G.U.)
| | - Roman O. Shcherbakov
- Department of Chemistry, Perm State University, Bukireva St. 15, 614990 Perm, Russia; (E.R.N.); (R.O.S.); (D.A.M.); (R.Y.S.); (M.G.U.)
| | - Danil A. Myasnikov
- Department of Chemistry, Perm State University, Bukireva St. 15, 614990 Perm, Russia; (E.R.N.); (R.O.S.); (D.A.M.); (R.Y.S.); (M.G.U.)
| | - Alexander G. Tkachenko
- Department of Biology, Perm State University, Bukireva St. 15, 614990 Perm, Russia; (L.Y.N.); (A.G.T.)
- Institute of Ecology and Genetics of Microorganisms, Perm Federal Research Center, The Ural Branch of Russian Academy of Sciences, Goleva St. 13, 614081 Perm, Russia
| | - Roman Y. Sidorov
- Department of Chemistry, Perm State University, Bukireva St. 15, 614990 Perm, Russia; (E.R.N.); (R.O.S.); (D.A.M.); (R.Y.S.); (M.G.U.)
- Institute of Ecology and Genetics of Microorganisms, Perm Federal Research Center, The Ural Branch of Russian Academy of Sciences, Goleva St. 13, 614081 Perm, Russia
| | - Maxim G. Uchuskin
- Department of Chemistry, Perm State University, Bukireva St. 15, 614990 Perm, Russia; (E.R.N.); (R.O.S.); (D.A.M.); (R.Y.S.); (M.G.U.)
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Basha NJ. Therapeutic Efficacy of Benzimidazole and Its Analogs: An Update. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2022.2118334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Affiliation(s)
- N. Jeelan Basha
- Department of Chemistry, Indian Academy Degree College-Autonomous Bengaluru, India
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