1
|
Yildirim T, Bali A, Koch M, Paul P, Latta L, Schneider-Daum N, Gallei M, Lehr CM. A New Class of Polyion Complex Vesicles (PIC-somes) to Improve Antimicrobial Activity of Tobramycin in Pseudomonas Aeruginosa Biofilms. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2401926. [PMID: 38829185 DOI: 10.1002/smll.202401926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 04/26/2024] [Indexed: 06/05/2024]
Abstract
Pseudomonas aeruginosa (PA) is a major healthcare concern due to its tolerance to antibiotics when enclosed in biofilms. Tobramycin (Tob), an effective cationic aminoglycoside antibiotic against planktonic PA, loses potency within PA biofilms due to hindered diffusion caused by interactions with anionic biofilm components. Loading Tob into nano-carriers can enhance its biofilm efficacy by shielding its charge. Polyion complex vesicles (PIC-somes) are promising nano-carriers for charged drugs, allowing higher drug loadings than liposomes and polymersomes. In this study, a new class of nano-sized PIC-somes, formed by Tob-diblock copolymer complexation is presented. This approach replaces conventional linear PEG with brush-like poly[ethylene glycol (methyl ether methacrylate)] (PEGMA) in the shell-forming block, distinguishing it from past methods. Tob paired with a block copolymer containing hydrophilic PEGMA induces micelle formation (PIC-micelles), while incorporating hydrophobic pyridyldisulfide ethyl methacrylate (PDSMA) monomer into PEGMA chains reduces shell hydrophilicity, leads to the formation of vesicles (PIC-somes). PDSMA unit incorporation enables unprecedented dynamic disulfide bond-based shell cross-linking, significantly enhancing stability under saline conditions. Neither PIC-somes nor PIC-micelles show any relevant cytotoxicity on A549, Calu-3, and dTHP-1 cells. Tob's antimicrobial efficacy against planktonic PA remains unaffected after encapsulation into PIC-somes and PIC-micelles, but its potency within PA biofilms significantly increases.
Collapse
Affiliation(s)
- Turgay Yildirim
- HIPS - Helmholtz Institute for Pharmaceutical Research Saarland, 66123, Saarbrücken, Germany
| | - Aghiad Bali
- HIPS - Helmholtz Institute for Pharmaceutical Research Saarland, 66123, Saarbrücken, Germany
- Department of Pharmacy, Saarland University, 66123, Saarbrücken, Germany
| | - Marcus Koch
- INM - Leibniz Institute for New Materials, Campus D2 2, 66123, Saarbrücken, Germany
| | - Pascal Paul
- HIPS - Helmholtz Institute for Pharmaceutical Research Saarland, 66123, Saarbrücken, Germany
| | - Lorenz Latta
- HIPS - Helmholtz Institute for Pharmaceutical Research Saarland, 66123, Saarbrücken, Germany
| | - Nicole Schneider-Daum
- HIPS - Helmholtz Institute for Pharmaceutical Research Saarland, 66123, Saarbrücken, Germany
| | - Markus Gallei
- Polymer Chemistry, Saarland University, Campus C4 2, 66123, Saarbrücken, Germany
- Saarene - Saarland Center for Energy Materials and Sustainability, Campus C4 2, 66123, Saarbrücken, Germany
| | - Claus-Michael Lehr
- HIPS - Helmholtz Institute for Pharmaceutical Research Saarland, 66123, Saarbrücken, Germany
- Department of Pharmacy, Saarland University, 66123, Saarbrücken, Germany
| |
Collapse
|
2
|
Nafee N, Gaber DM, Abouelfetouh A, Alseqely M, Empting M, Schneider M. Enzyme-Linked Lipid Nanocarriers for Coping Pseudomonal Pulmonary Infection. Would Nanocarriers Complement Biofilm Disruption or Pave Its Road? Int J Nanomedicine 2024; 19:3861-3890. [PMID: 38708178 PMCID: PMC11068056 DOI: 10.2147/ijn.s445955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 03/28/2024] [Indexed: 05/07/2024] Open
Abstract
Introduction Cystic fibrosis (CF) is associated with pulmonary Pseudomonas aeruginosa infections persistent to antibiotics. Methods To eradicate pseudomonal biofilms, solid lipid nanoparticles (SLNs) loaded with quorum-sensing-inhibitor (QSI, disrupting bacterial crosstalk), coated with chitosan (CS, improving internalization) and immobilized with alginate lyase (AL, destroying alginate biofilms) were developed. Results SLNs (140-205 nm) showed prolonged release of QSI with no sign of acute toxicity to A549 and Calu-3 cells. The CS coating improved uptake, whereas immobilized-AL ensured >1.5-fold higher uptake and doubled SLN diffusion across the artificial biofilm sputum model. Respirable microparticles comprising SLNs in carbohydrate matrix elicited aerodynamic diameters MMAD (3.54, 2.48 µm) and fine-particle-fraction FPF (65, 48%) for anionic and cationic SLNs, respectively. The antimicrobial and/or antibiofilm activity of SLNs was explored in Pseudomonas aeruginosa reference mucoid/nonmucoid strains as well as clinical isolates. The full growth inhibition of planktonic bacteria was dependent on SLN type, concentration, growth medium, and strain. OD measurements and live/dead staining proved that anionic SLNs efficiently ceased biofilm formation and eradicated established biofilms, whereas cationic SLNs unexpectedly promoted biofilm progression. AL immobilization increased biofilm vulnerability; instead, CS coating increased biofilm formation confirmed by 3D-time lapse confocal imaging. Incubation of SLNs with mature biofilms of P. aeruginosa isolates increased biofilm density by an average of 1.5-fold. CLSM further confirmed the binding and uptake of the labeled SLNs in P. aeruginosa biofilms. Considerable uptake of CS-coated SLNs in non-mucoid strains could be observed presumably due to interaction of chitosan with LPS glycolipids in the outer cell membrane of P. aeruginosa. Conclusion The biofilm-destructive potential of QSI/SLNs/AL inhalation is promising for site-specific biofilm-targeted interventional CF therapy. Nevertheless, the intrinsic/extrinsic fundamentals of nanocarrier-biofilm interactions require further investigation.
Collapse
Affiliation(s)
- Noha Nafee
- Department of Pharmaceutics, College of Pharmacy, Kuwait University, Safat, 13110, Kuwait
- Department of Pharmaceutics, Faculty of Pharmacy, Alexandria University, Alexandria, 21521, Egypt
| | - Dina M Gaber
- Department of Pharmaceutics, Division of Pharmaceutical Sciences, College of Pharmacy, Arab Academy for Science, Technology and Maritime Transport, Alexandria, 1029, Egypt
| | - Alaa Abouelfetouh
- Department of Microbiology and Immunology, Faculty of Pharmacy, Alexandria University, Alexandria, 21521, Egypt
- Department of Microbiology and Immunology, Faculty of Pharmacy, Alamein International University, Alamein, 5060335, Egypt
| | - Mustafa Alseqely
- Department of Microbiology and Immunology, Faculty of Pharmacy, Alexandria University, Alexandria, 21521, Egypt
| | - Martin Empting
- Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS), Department of Antiviral and Antivirulence Drugs (AVID), Saarland University, Saarbrücken, 66123, Germany
| | - Marc Schneider
- Department of Pharmacy, Biopharmaceutics and Pharmaceutical Technology, Saarland University, Saarbrücken, 66123, Germany
| |
Collapse
|
3
|
Hu C, He G, Yang Y, Wang N, Zhang Y, Su Y, Zhao F, Wu J, Wang L, Lin Y, Shao L. Nanomaterials Regulate Bacterial Quorum Sensing: Applications, Mechanisms, and Optimization Strategies. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2306070. [PMID: 38350718 PMCID: PMC11022734 DOI: 10.1002/advs.202306070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 01/19/2024] [Indexed: 02/15/2024]
Abstract
Anti-virulence therapy that interferes with bacterial communication, known as "quorum sensing (QS)", is a promising strategy for circumventing bacterial resistance. Using nanomaterials to regulate bacterial QS in anti-virulence therapy has attracted much attention, which is mainly attributed to unique physicochemical properties and excellent designability of nanomaterials. However, bacterial QS is a dynamic and multistep process, and there are significant differences in the specific regulatory mechanisms and related influencing factors of nanomaterials in different steps of the QS process. An in-depth understanding of the specific regulatory mechanisms and related influencing factors of nanomaterials in each step can significantly optimize QS regulatory activity and enhance the development of novel nanomaterials with better comprehensive performance. Therefore, this review focuses on the mechanisms by which nanomaterials regulate bacterial QS in the signal supply (including signal synthesis, secretion, and accumulation) and signal transduction cascade (including signal perception and response) processes. Moreover, based on the two key influencing factors (i.e., the nanomaterial itself and the environment), optimization strategies to enhance the QS regulatory activity are comprehensively summarized. Collectively, applying nanomaterials to regulate bacterial QS is a promising strategy for anti-virulence therapy. This review provides reference and inspiration for further research on the anti-virulence application of nanomaterials.
Collapse
Affiliation(s)
- Chen Hu
- Stomatological Hospital, School of StomatologySouthern Medical UniversityGuangzhou510280China
| | - Guixin He
- Stomatological Hospital, School of StomatologySouthern Medical UniversityGuangzhou510280China
| | - Yujun Yang
- Stomatological Hospital, School of StomatologySouthern Medical UniversityGuangzhou510280China
| | - Ning Wang
- Stomatological Hospital, School of StomatologySouthern Medical UniversityGuangzhou510280China
| | - Yanli Zhang
- Stomatological Hospital, School of StomatologySouthern Medical UniversityGuangzhou510280China
| | - Yuan Su
- Stomatological Hospital, School of StomatologySouthern Medical UniversityGuangzhou510280China
- Stomatology CenterShunde HospitalSouthern Medical University (The First People's Hospital of Shunde)Foshan528399China
| | - Fujian Zhao
- Stomatological Hospital, School of StomatologySouthern Medical UniversityGuangzhou510280China
| | - Junrong Wu
- Stomatological Hospital, School of StomatologySouthern Medical UniversityGuangzhou510280China
| | - Linlin Wang
- Hainan General Hospital·Hainan Affiliated Hospital of Hainan medical UniversityHaikou570311China
| | - Yuqing Lin
- Shenzhen Luohu People's HospitalShenzhen518000China
| | - Longquan Shao
- Stomatological Hospital, School of StomatologySouthern Medical UniversityGuangzhou510280China
| |
Collapse
|
4
|
Qu Y, Zou Y, Wang G, Zhang Y, Yu Q. Disruption of Communication: Recent Advances in Antibiofilm Materials with Anti-Quorum Sensing Properties. ACS APPLIED MATERIALS & INTERFACES 2024; 16:13353-13383. [PMID: 38462699 DOI: 10.1021/acsami.4c01428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/12/2024]
Abstract
Biofilm contamination presents a significant threat to public health, the food industry, and aquatic/marine-related applications. In recent decades, although various methods have emerged to combat biofilm contamination, the intricate and persistent nature of biofilms makes complete eradication challenging. Therefore, innovative alternative solutions are imperative for addressing biofilm formation. Instead of solely focusing on the eradication of mature biofilms, strategically advantageous measures involve the delay or prevention of biofilm formation on surfaces. Quorum sensing, a communication system enabling bacteria to coordinate their behavior based on population density, plays a pivotal role in biofilm formation for numerous microbial species. Materials possessing antibiofilm properties that target quorum sensing have gained considerable attention for their potential to prevent biofilm formation. This Review consolidates recent research progress on the utilization of materials with antiquorum sensing properties for combating biofilm formation. These materials can be categorized into three distinct types: (i) antibiofilm nanomaterials, (ii) antibiofilm surfaces, and (iii) antibiofilm hydrogels with antiquorum sensing capabilities. Finally, the Review concludes with a brief discussion of current challenges and outlines potential avenues for future research.
Collapse
Affiliation(s)
- Yangcui Qu
- College of Medical Engineering & the Key Laboratory for Medical Functional Nanomaterials, Jining Medical University, Jining, 272067, P. R. China
| | - Yi Zou
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, P. R. China
| | - Guannan Wang
- School of Pharmacy, Shenyang Medical College, Shenyang, 110034, P. R. China
| | - Yanxia Zhang
- Department of Cardiovascular Surgery of the First Affiliated Hospital & Institute for Cardiovascular Science, Soochow University, Suzhou, 215006, P. R. China
| | - Qian Yu
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, P. R. China
| |
Collapse
|
5
|
Xiao H, Li J, Yang D, Du J, Li J, Lin S, Zhou H, Sun P, Xu J. Multidimensional Criteria for Virtual Screening of PqsR Inhibitors Based on Pharmacophore, Docking, and Molecular Dynamics. Int J Mol Sci 2024; 25:1869. [PMID: 38339148 PMCID: PMC10856439 DOI: 10.3390/ijms25031869] [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: 12/13/2023] [Revised: 01/27/2024] [Accepted: 02/01/2024] [Indexed: 02/12/2024] Open
Abstract
Pseudomonas aeruginosa is a clinically challenging pathogen due to its high resistance to antibiotics. Quorum sensing inhibitors (QSIs) have been proposed as a promising strategy to overcome this resistance by interfering with the bacterial communication system. Among the potential targets of QSIs, PqsR is a key regulator of quorum sensing in Pseudomonas aeruginosa. However, the current research on PqsR inhibitors is limited by the lack of diversity in the chemical structures and the screening methods. Therefore, this study aims to develop a multidimensional screening model for PqsR inhibitors based on both ligand- and receptor-based approaches. First, a pharmacophore model was constructed from a training set of PqsR inhibitors to identify the essential features and spatial arrangement for the activity. Then, molecular docking and dynamics simulations were performed to explore the core interactions between PqsR inhibitors and their receptor. The results indicate that an effective PqsR inhibitor should possess two aromatic rings, one hydrogen bond acceptor, and two hydrophobic groups and should form strong interactions with the following four amino acid residues: TYR_258, ILE_236, LEU_208, and GLN_194. Moreover, the docking score and the binding free energy should be lower than -8 kcal/mol and -40 kcal/mol, respectively. Finally, the validity of the multidimensional screening model was confirmed by a test set of PqsR inhibitors, which showed a higher accuracy than the existing screening methods based on single characteristics. This multidimensional screening model would be a useful tool for the discovery and optimization of PqsR inhibitors in the future.
Collapse
Affiliation(s)
- Haichuan Xiao
- College of Pharmacy, Jinan University, Guangzhou 510632, China; (H.X.); (J.L.); (D.Y.); (J.D.); (J.L.); (S.L.); (H.Z.)
| | - Jiahao Li
- College of Pharmacy, Jinan University, Guangzhou 510632, China; (H.X.); (J.L.); (D.Y.); (J.D.); (J.L.); (S.L.); (H.Z.)
| | - Dongdong Yang
- College of Pharmacy, Jinan University, Guangzhou 510632, China; (H.X.); (J.L.); (D.Y.); (J.D.); (J.L.); (S.L.); (H.Z.)
| | - Jiarui Du
- College of Pharmacy, Jinan University, Guangzhou 510632, China; (H.X.); (J.L.); (D.Y.); (J.D.); (J.L.); (S.L.); (H.Z.)
| | - Jie Li
- College of Pharmacy, Jinan University, Guangzhou 510632, China; (H.X.); (J.L.); (D.Y.); (J.D.); (J.L.); (S.L.); (H.Z.)
| | - Shuqi Lin
- College of Pharmacy, Jinan University, Guangzhou 510632, China; (H.X.); (J.L.); (D.Y.); (J.D.); (J.L.); (S.L.); (H.Z.)
| | - Haibo Zhou
- College of Pharmacy, Jinan University, Guangzhou 510632, China; (H.X.); (J.L.); (D.Y.); (J.D.); (J.L.); (S.L.); (H.Z.)
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China
| | - Pinghua Sun
- College of Pharmacy, Jinan University, Guangzhou 510632, China; (H.X.); (J.L.); (D.Y.); (J.D.); (J.L.); (S.L.); (H.Z.)
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China
- Key Laboratory of Xinjiang Phytomedicine Resource and Utilization, Ministry of Education, School of Pharmacy, Shihezi University, Shihezi 832003, China
| | - Jun Xu
- College of Pharmacy, Jinan University, Guangzhou 510632, China; (H.X.); (J.L.); (D.Y.); (J.D.); (J.L.); (S.L.); (H.Z.)
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China
| |
Collapse
|
6
|
Zhan Y, Hu H, Yu Y, Chen C, Zhang J, Jarnda KV, Ding P. Therapeutic strategies for drug-resistant Pseudomonas aeruginosa: Metal and metal oxide nanoparticles. J Biomed Mater Res A 2024. [PMID: 38291785 DOI: 10.1002/jbm.a.37677] [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: 09/11/2023] [Revised: 12/25/2023] [Accepted: 01/16/2024] [Indexed: 02/01/2024]
Abstract
Pseudomonas aeruginosa (PA) is a widely prevalent opportunistic pathogen. Multiple resistant strains of PA have emerged from excessive or inappropriate use of antibiotics, making their eradication increasingly difficult. Therefore, the search for highly efficient and secure novel antimicrobial agents is crucial. According to reports, there is an increasing exploration of nanometals for antibacterial purposes. The antibacterial mechanisms involving the nanomaterials themselves, the release of ions, and the induced oxidative stress causing leakage and damage to biomolecules are widely accepted. Additionally, the study of the cytotoxicity of metal nanoparticles is crucial for their antibacterial applications. This article summarizes the types of metal nanomaterials and metal oxide nanomaterials that can be used against PA, their respective unique antibacterial mechanisms, cytotoxicity, and efforts made to improve antibacterial performance and reduce toxicity, including combination therapy with other materials and antibiotics, as well as green synthesis approaches.
Collapse
Affiliation(s)
- Yujuan Zhan
- Xiang Ya School of Public Health, Central South University, Changsha, Hunan, China
- Hunan Provincial Key Laboratory of Clinical Epidemiology, Changsha, Hunan, China
| | - Huiting Hu
- Xiang Ya School of Public Health, Central South University, Changsha, Hunan, China
- Hunan Provincial Key Laboratory of Clinical Epidemiology, Changsha, Hunan, China
| | - Ying Yu
- Xiang Ya School of Public Health, Central South University, Changsha, Hunan, China
- Hunan Provincial Key Laboratory of Clinical Epidemiology, Changsha, Hunan, China
| | - Cuimei Chen
- School of Public Health, Xiangnan University, Chenzhou, Hunan, China
| | - Jingwen Zhang
- Xiang Ya School of Public Health, Central South University, Changsha, Hunan, China
- Hunan Provincial Key Laboratory of Clinical Epidemiology, Changsha, Hunan, China
| | - Kermue Vasco Jarnda
- Xiang Ya School of Public Health, Central South University, Changsha, Hunan, China
- Hunan Provincial Key Laboratory of Clinical Epidemiology, Changsha, Hunan, China
| | - Ping Ding
- Xiang Ya School of Public Health, Central South University, Changsha, Hunan, China
- Hunan Provincial Key Laboratory of Clinical Epidemiology, Changsha, Hunan, China
| |
Collapse
|
7
|
Soukarieh F, Mashabi A, Richardson W, Oton EV, Romero M, Dubern JF, Robertson SN, Lucanto S, Markham-Lee Z, Sou T, Kukavica-Ibrulj I, Levesque RC, Bergstrom CAS, Halliday N, Kellam B, Emsley J, Heeb S, Williams P, Stocks MJ, Cámara M. Design, Synthesis, and Evaluation of New 1 H-Benzo[ d]imidazole Based PqsR Inhibitors as Adjuvant Therapy for Pseudomonas aeruginosa Infections. J Med Chem 2024; 67:1008-1023. [PMID: 38170170 PMCID: PMC10823468 DOI: 10.1021/acs.jmedchem.3c00973] [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: 06/19/2023] [Revised: 11/30/2023] [Accepted: 12/12/2023] [Indexed: 01/05/2024]
Abstract
Pseudomonas aeruginosa is one of the top priority pathogens that requires immediate attention according to the World Health Organisation (WHO). Due to the alarming shortage of novel antimicrobials, targeting quorum sensing (QS), a bacterial cell to cell signaling system controlling virulence, has emerged as a promising approach as an antibiotic adjuvant therapy. Interference with the pqs system, one of three QS systems in P. aeruginosa, results in reduction of bacterial virulence gene expression and biofilm maturation. Herein, we report a hit to lead process to fine-tune the potency of our previously reported inhibitor 1 (IC50 3.2 μM in P. aeruginosa PAO1-L), which led to the discovery of 2-(4-(3-((6-chloro-1-isopropyl-1H-benzo[d]imidazol-2-yl)amino)-2-hydroxypropoxy)phenyl)acetonitrile (6f) as a potent PqsR antagonist. Compound 6f inhibited the PqsR-controlled PpqsA-lux transcriptional reporter fusion in P. aeruginosa at low submicromolar concentrations. Moreover, 6f showed improved efficacy against P. aeruginosa CF isolates with significant inhibition of pyocyanin, 2-alkyl-4(1H)-quinolones production.
Collapse
Affiliation(s)
- Fadi Soukarieh
- School
of Life Sciences, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
- The
National Biofilms Innovation Centre, University of Nottingham Biodiscovery
Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
| | - Alaa Mashabi
- School
of Pharmacy, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
| | - William Richardson
- School
of Pharmacy, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
| | - Eduard Vico Oton
- School
of Life Sciences, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
| | - Manuel Romero
- School
of Life Sciences, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
- The
National Biofilms Innovation Centre, University of Nottingham Biodiscovery
Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
| | - Jean-Frédéric Dubern
- School
of Life Sciences, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
| | - Shaun N. Robertson
- School
of Life Sciences, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
- The
National Biofilms Innovation Centre, University of Nottingham Biodiscovery
Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
| | - Simone Lucanto
- School
of Life Sciences, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
- The
National Biofilms Innovation Centre, University of Nottingham Biodiscovery
Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
| | - Zoe Markham-Lee
- School
of Pharmacy, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
| | - Tomás Sou
- Department
of Pharmacy, Uppsala University, Uppsala SE-751 23, Sweden
| | - Irena Kukavica-Ibrulj
- Institut
de Biologie Intégrative et des SystèmesUniversité Laval, Quebec G1V 0A6, Canada
| | - Roger C. Levesque
- Institut
de Biologie Intégrative et des SystèmesUniversité Laval, Quebec G1V 0A6, Canada
| | | | - Nigel Halliday
- School
of Life Sciences, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
| | - Barrie Kellam
- School
of Pharmacy, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
| | - Jonas Emsley
- School
of Pharmacy, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
- The
National Biofilms Innovation Centre, University of Nottingham Biodiscovery
Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
| | - Stephan Heeb
- School
of Life Sciences, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
| | - Paul Williams
- School
of Life Sciences, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
- The
National Biofilms Innovation Centre, University of Nottingham Biodiscovery
Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
| | - Michael J. Stocks
- School
of Pharmacy, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
- The
National Biofilms Innovation Centre, University of Nottingham Biodiscovery
Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
| | - Miguel Cámara
- School
of Life Sciences, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
- The
National Biofilms Innovation Centre, University of Nottingham Biodiscovery
Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
| |
Collapse
|
8
|
Scoffone VC, Barbieri G, Irudal S, Trespidi G, Buroni S. New Antimicrobial Strategies to Treat Multi-Drug Resistant Infections Caused by Gram-Negatives in Cystic Fibrosis. Antibiotics (Basel) 2024; 13:71. [PMID: 38247630 PMCID: PMC10812592 DOI: 10.3390/antibiotics13010071] [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: 12/20/2023] [Revised: 01/05/2024] [Accepted: 01/09/2024] [Indexed: 01/23/2024] Open
Abstract
People with cystic fibrosis (CF) suffer from recurrent bacterial infections which induce inflammation, lung tissue damage and failure of the respiratory system. Prolonged exposure to combinatorial antibiotic therapies triggers the appearance of multi-drug resistant (MDR) bacteria. The development of alternative antimicrobial strategies may provide a way to mitigate antimicrobial resistance. Here we discuss different alternative approaches to the use of classic antibiotics: anti-virulence and anti-biofilm compounds which exert a low selective pressure; phage therapies that represent an alternative strategy with a high therapeutic potential; new methods helping antibiotics activity such as adjuvants; and antimicrobial peptides and nanoparticle formulations. Their mechanisms and in vitro and in vivo efficacy are described, in order to figure out a complete landscape of new alternative approaches to fight MDR Gram-negative CF pathogens.
Collapse
Affiliation(s)
| | | | | | | | - Silvia Buroni
- Department of Biology and Biotechnology “Lazzaro Spallanzani”, University of Pavia, 27100 Pavia, Italy; (V.C.S.); (G.B.); (S.I.); (G.T.)
| |
Collapse
|
9
|
Miao ZY, Zhang XY, Yang MH, Huang YJ, Lin J, Chen WM. 3-Hydroxypyridin-4(1 H)-one Derivatives as pqs Quorum Sensing Inhibitors Attenuate Virulence and Reduce Antibiotic Resistance in Pseudomonas aeruginosa. J Med Chem 2023; 66:15823-15846. [PMID: 37978953 DOI: 10.1021/acs.jmedchem.3c01328] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
The development of quorum sensing inhibitors capable of decreasing the production of virulence factors is an effective strategy to overcome resistance in Pseudomonas aeruginosa due to the less selective pressure exerted on bacteria. In this study, a series of 3-hydroxypyridin-4(1H)-one derivatives bearing a 4-aminomethyl-1,2,3-triazole linker were designed and synthesized as antivirulence agents against P. aeruginosa. The most potent derivative 16e was identified as a selective inhibitor of the pqs system (IC50 = 3.7 μM) and its related virulence factor pyocyanin (IC50 = 2.7 μM). In addition, 16e exhibited moderate biofilm inhibition and significant inhibition of P. aeruginosa motility phenotypes with low cytotoxicity. Compound 16e showed an obvious antibacterial synergistic effect in combination with antibiotics such as ciprofloxacin and tobramycin in in vitro and in vivo Caenorhabditis elegans infection models. Overall, the excellent antivirulence properties of compound 16e make it a potential antibiotic adjuvant for the treatment of P. aeruginosa infections that may be advanced into preclinical development in the future.
Collapse
Affiliation(s)
- Zhi-Ying Miao
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, #855 Xingye Avenue, Guangzhou 511400, China
| | - Xiao-Yi Zhang
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, #855 Xingye Avenue, Guangzhou 511400, China
| | - Ming-Han Yang
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, #855 Xingye Avenue, Guangzhou 511400, China
| | - Yong-Jun Huang
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, #855 Xingye Avenue, Guangzhou 511400, China
| | - Jing Lin
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, #855 Xingye Avenue, Guangzhou 511400, China
| | - Wei-Min Chen
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, #855 Xingye Avenue, Guangzhou 511400, China
| |
Collapse
|
10
|
Peng B, Li Y, Yin J, Ding W, Fazuo W, Xiao Z, Yin H. A bibliometric analysis on discovering anti-quorum sensing agents against clinically relevant pathogens: current status, development, and future directions. Front Microbiol 2023; 14:1297843. [PMID: 38098670 PMCID: PMC10720721 DOI: 10.3389/fmicb.2023.1297843] [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: 09/20/2023] [Accepted: 11/10/2023] [Indexed: 12/17/2023] Open
Abstract
Background Quorum sensing is bacteria's ability to communicate and regulate their behavior based on population density. Anti-quorum sensing agents (anti-QSA) is promising strategy to treat resistant infections, as well as reduce selective pressure that leads to antibiotic resistance of clinically relevant pathogens. This study analyzes the output, hotspots, and trends of research in the field of anti-QSA against clinically relevant pathogens. Methods The literature on anti-QSA from the Web of Science Core Collection database was retrieved and analyzed. Tools such as CiteSpace and Alluvial Generator were used to visualize and interpret the data. Results From 1998 to 2023, the number of publications related to anti-QAS research increased rapidly, with a total of 1,743 articles and reviews published in 558 journals. The United States was the largest contributor and the most influential country, with an H-index of 88, higher than other countries. Williams was the most productive author, and Hoiby N was the most cited author. Frontiers in Microbiology was the most prolific and the most cited journal. Burst detection indicated that the main frontier disciplines shifted from MICROBIOLOGY, CLINICAL, MOLECULAR BIOLOGY, and other biomedicine-related fields to FOOD, MATERIALS, NATURAL PRODUCTS, and MULTIDISCIPLINARY. In the whole research history, the strongest burst keyword was cystic-fibrosis patients, and the strongest burst reference was Lee and Zhang (2015). In the latest period (burst until 2023), the strongest burst keyword was silver nanoparticle, and the strongest burst reference was Whiteley et al. (2017). The co-citation network revealed that the most important interest and research direction was anti-biofilm/anti-virulence drug development, and timeline analysis suggested that this direction is also the most active. The key concepts alluvial flow visualization revealed seven terms with the longest time span and lasting until now, namely Escherichia coli, virulence, Pseudomonas aeruginosa, virulence factor, bacterial biofilm, gene expression, quorum sensing. Comprehensive analysis shows that nanomaterials, marine natural products, and artificial intelligence (AI) may become hotspots in the future. Conclusion This bibliometric study reveals the current status and trends of anti-QSA research and may assist researchers in identifying hot topics and exploring new research directions.
Collapse
Affiliation(s)
- Bo Peng
- Institute for Environmental and Climate Research, Jinan University, Guangzhou, China
| | - Yanqun Li
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, China
| | - Jiajia Yin
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, China
| | - Wenping Ding
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
| | - Wang Fazuo
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, China
| | - Zhihui Xiao
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, China
| | - Hao Yin
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, China
- Sanya Institute of Ocean Eco-Environmental Engineering, Sanya, China
| |
Collapse
|
11
|
Liu J, Zhao SY, Hu JY, Chen QX, Jiao SM, Xiao HC, Zhang Q, Xu J, Zhao JF, Zhou HB, Zheng JX, Sun PH. Novel Coumarin Derivatives Inhibit the Quorum Sensing System and Iron Homeostasis as Antibacterial Synergists against Pseudomonas aeruginosa. J Med Chem 2023; 66:14735-14754. [PMID: 37874867 DOI: 10.1021/acs.jmedchem.3c01268] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2023]
Abstract
Pseudomonas aeruginosa (P. aeruginosa) is well-known to cause biofilm-associated drug resistance and infections that often lead to treatment failure. Herein, we reported a dual-acting antibiofilm strategy by inhibiting both the bacterial quorum sensing system and the iron uptake system. A series of coumarin derivatives were synthesized and evaluated, and compound 4t was identified as the most effective biofilm inhibitor (IC50 = 3.6 μM). Further mechanistic studies have confirmed that 4t not only inhibits the QS systems but also competes strongly with pyoverdine as an iron chelator, causing an iron deficiency in P. aeruginosa. Additionally, 4t significantly improved the synergistic antibacterial effects of ciprofloxacin and tobramycin by more than 200-1000-fold compared to the single-dose antibiotic treatments. Therefore, our study has shown that 4t is a potentially novel antibacterial synergist candidate to treat bacterial infections.
Collapse
Affiliation(s)
- Jun Liu
- Department of Oncology, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong 510632, P. R. China
- College of Pharmacy, Jinan University, Guangzhou, Guangdong 510632, P. R. China
| | - Si-Yu Zhao
- College of Pharmacy, Jinan University, Guangzhou, Guangdong 510632, P. R. China
| | - Jia-Yi Hu
- College of Pharmacy, Jinan University, Guangzhou, Guangdong 510632, P. R. China
| | - Qiu-Xian Chen
- College of Pharmacy, Jinan University, Guangzhou, Guangdong 510632, P. R. China
| | - Shu-Meng Jiao
- College of Pharmacy, Jinan University, Guangzhou, Guangdong 510632, P. R. China
| | - Hai-Chuan Xiao
- College of Pharmacy, Jinan University, Guangzhou, Guangdong 510632, P. R. China
| | - Qiang Zhang
- College of Pharmacy, Jinan University, Guangzhou, Guangdong 510632, P. R. China
| | - Jun Xu
- College of Pharmacy, Jinan University, Guangzhou, Guangdong 510632, P. R. China
| | - Jian-Fu Zhao
- Department of Oncology, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong 510632, P. R. China
| | - Hai-Bo Zhou
- College of Pharmacy, Jinan University, Guangzhou, Guangdong 510632, P. R. China
| | - Jun-Xia Zheng
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, Guangdong 510006, P. R. China
| | - Ping-Hua Sun
- Department of Oncology, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong 510632, P. R. China
- College of Pharmacy, Shihezi University, Shihezi, Xinjiang 832099, P. R. China
- College of Pharmacy, Jinan University, Guangzhou, Guangdong 510632, P. R. China
| |
Collapse
|
12
|
Carlucci R, Lisa MN, Labadie GR. 1,2,3-Triazoles in Biomolecular Crystallography: A Geometrical Data-Mining Approach. J Med Chem 2023; 66:14377-14390. [PMID: 37903297 DOI: 10.1021/acs.jmedchem.3c01097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2023]
Abstract
The 1,2,3-triazole scaffold has become very attractive to identify new chemical entities in drug discovery projects. Despite the widespread use of click chemistry to synthesize numerous 123Ts, there are few drugs on the market that incorporate this scaffold as a substructure. To investigate the true potential of 123Ts in protein-ligand interactions, we examined the noncovalent interactions between the 1,2,3-triazole ring and amino acids in protein-ligand cocrystals using a geometrical approach. For this purpose, we constructed a nonredundant database of 220 PDB IDs from available 123T-protein cocrystal structures. Subsequently, using the Protein Ligand Interaction Profiler web platform (PLIP), we determined whether 1,2,3-triazoles primarily act as linkers or if they can be considered interactive scaffolds. We then manually analyzed the geometrical descriptors from 333 interactions between 1,4-disubstituted 123T rings and amino acid residues in proteins. This study demonstrates that 1,2,3-triazoles exhibit diverse preferred interactions with amino acids, which contribute to protein-ligand binding.
Collapse
Affiliation(s)
- Renzo Carlucci
- Instituto de Química Rosario, UNR, CONICET; Suipacha 531, S2002LRK, Rosario, ARGENTINA
| | - María-Natalia Lisa
- Instituto de Biología Molecular y Celular de Rosario (IBR, CONICET-UNR), Ocampo y Esmeralda, Rosario 2000, ARGENTINA
- Plataforma de Biología Estructural y Metabolómica (PLABEM), Ocampo y Esmeralda, Rosario 2000, ARGENTINA
| | - Guillermo R Labadie
- Instituto de Química Rosario, UNR, CONICET; Suipacha 531, S2002LRK, Rosario, ARGENTINA
- Departamento de Química Orgánica, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Suipacha 531, S2002LRK, Rosario, ARGENTINA
| |
Collapse
|
13
|
Ghosh M, Raghav S, Ghosh P, Maity S, Mohela K, Jain D. Structural analysis of novel drug targets for mitigation of Pseudomonas aeruginosa biofilms. FEMS Microbiol Rev 2023; 47:fuad054. [PMID: 37771093 DOI: 10.1093/femsre/fuad054] [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: 05/30/2023] [Revised: 09/20/2023] [Accepted: 09/27/2023] [Indexed: 09/30/2023] Open
Abstract
Pseudomonas aeruginosa is an opportunistic human pathogen responsible for acute and chronic, hard to treat infections. Persistence of P. aeruginosa is due to its ability to develop into biofilms, which are sessile bacterial communities adhered to substratum and encapsulated in layers of self-produced exopolysaccharides. These biofilms provide enhanced protection from the host immune system and resilience towards antibiotics, which poses a challenge for treatment. Various strategies have been expended for combating biofilms, which involve inhibiting biofilm formation or promoting their dispersal. The current remediation approaches offer some hope for clinical usage, however, treatment and eradication of preformed biofilms is still a challenge. Thus, identifying novel targets and understanding the detailed mechanism of biofilm regulation becomes imperative. Structure-based drug discovery (SBDD) provides a powerful tool that exploits the knowledge of atomic resolution details of the targets to search for high affinity ligands. This review describes the available structural information on the putative target protein structures that can be utilized for high throughput in silico drug discovery against P. aeruginosa biofilms. Integrating available structural information on the target proteins in readily accessible format will accelerate the process of drug discovery.
Collapse
Affiliation(s)
- Moumita Ghosh
- Transcription Regulation Lab, Regional Centre for Biotechnology, NCR Biotech Science Cluster, 3rd Milestone, Faridabad-Gurugram Expressway, Faridabad, Haryana-121001, India
| | - Shikha Raghav
- Transcription Regulation Lab, Regional Centre for Biotechnology, NCR Biotech Science Cluster, 3rd Milestone, Faridabad-Gurugram Expressway, Faridabad, Haryana-121001, India
| | - Puja Ghosh
- Transcription Regulation Lab, Regional Centre for Biotechnology, NCR Biotech Science Cluster, 3rd Milestone, Faridabad-Gurugram Expressway, Faridabad, Haryana-121001, India
| | - Swagatam Maity
- Transcription Regulation Lab, Regional Centre for Biotechnology, NCR Biotech Science Cluster, 3rd Milestone, Faridabad-Gurugram Expressway, Faridabad, Haryana-121001, India
| | - Kavery Mohela
- Transcription Regulation Lab, Regional Centre for Biotechnology, NCR Biotech Science Cluster, 3rd Milestone, Faridabad-Gurugram Expressway, Faridabad, Haryana-121001, India
| | - Deepti Jain
- Transcription Regulation Lab, Regional Centre for Biotechnology, NCR Biotech Science Cluster, 3rd Milestone, Faridabad-Gurugram Expressway, Faridabad, Haryana-121001, India
| |
Collapse
|
14
|
García-Diéguez L, Diaz-Tang G, Marin Meneses E, Cruise V, Barraza I, Craddock TJ, Smith RP. Periodically disturbing biofilms reduces expression of quorum sensing-regulated virulence factors in Pseudomonas aeruginosa. iScience 2023; 26:106843. [PMID: 37255658 PMCID: PMC10225924 DOI: 10.1016/j.isci.2023.106843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Revised: 04/26/2023] [Accepted: 05/04/2023] [Indexed: 06/01/2023] Open
Abstract
Pseudomonas aeruginosa uses quorum sensing to regulate the expression of virulence factors. In static environments, spatial structures, such as biofilms, can increase the expression of these virulence factors. However, in natural settings, biofilms are exposed to physical forces that disrupt spatial structure, which may affect the expression of virulence factors regulated by quorum sensing. We show that periodically disturbing biofilms composed of P. aeruginosa using a physical force reduces the expression of quorum sensing-regulated virulence factors. At an intermediate disturbance frequency, the expression of virulence factors in the las, rhl, and pqs regulons is reduced. Mathematical modeling suggests that perturbation of the pqsR receptor is critical for this reduction. Removing the lasR receptor enhances the reduction in the expression of virulence factors as a result of disturbance. Our results allow identification of environments where virulence is reduced and implicate the lasR receptor as having a buffering role against disturbance.
Collapse
Affiliation(s)
- Laura García-Diéguez
- Department of Biological Sciences, Halmos College of Arts and Science, Nova Southeastern University, Fort Lauderdale FL 33314, USA
| | - Gabriela Diaz-Tang
- Department of Biological Sciences, Halmos College of Arts and Science, Nova Southeastern University, Fort Lauderdale FL 33314, USA
| | - Estefania Marin Meneses
- Department of Biological Sciences, Halmos College of Arts and Science, Nova Southeastern University, Fort Lauderdale FL 33314, USA
| | - Vanessa Cruise
- Department of Biological Sciences, Halmos College of Arts and Science, Nova Southeastern University, Fort Lauderdale FL 33314, USA
| | - Ivana Barraza
- Department of Biological Sciences, Halmos College of Arts and Science, Nova Southeastern University, Fort Lauderdale FL 33314, USA
| | - Travis J.A. Craddock
- Clinical Systems Biology Group, Institute for Neuro-Immune Medicine, Nova Southeastern University, Fort Lauderdale FL 33314, USA
- Department of Psychology & Neuroscience, College of Psychology, Nova Southeastern University, Fort Lauderdale FL 33314, USA
- Department of Computer Science, College of Engineering and Computing, Nova Southeastern University, Fort Lauderdale FL 33314, USA
- Department of Clinical Immunology, College of Osteopathic Medicine, Nova Southeastern University, Fort Lauderdale FL 33314, USA
| | - Robert P. Smith
- Department of Biological Sciences, Halmos College of Arts and Science, Nova Southeastern University, Fort Lauderdale FL 33314, USA
- Cell Therapy Institute, Kiran Patel College of Allopathic Medicine, Nova Southeastern University, Fort Lauderdale FL 33314, USA
| |
Collapse
|
15
|
Hamed MM, Abdelsamie AS, Rox K, Schütz C, Kany AM, Röhrig T, Schmelz S, Blankenfeldt W, Arce‐Rodriguez A, Borrero‐de Acuña JM, Jahn D, Rademacher J, Ringshausen FC, Cramer N, Tümmler B, Hirsch AKH, Hartmann RW, Empting M. Towards Translation of PqsR Inverse Agonists: From In Vitro Efficacy Optimization to In Vivo Proof-of-Principle. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2204443. [PMID: 36596691 PMCID: PMC9929129 DOI: 10.1002/advs.202204443] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 10/28/2022] [Indexed: 06/17/2023]
Abstract
Pseudomonas aeruginosa (PA) is an opportunistic human pathogen, which is involved in a wide range of dangerous infections. It develops alarming resistances toward antibiotic treatment. Therefore, alternative strategies, which suppress pathogenicity or synergize with antibiotic treatments are in great need to combat these infections more effectively. One promising approach is to disarm the bacteria by interfering with their quorum sensing (QS) system, which regulates the release of various virulence factors as well as biofilm formation. Herein, this work reports the rational design, optimization, and in-depth profiling of a new class of Pseudomonas quinolone signaling receptor (PqsR) inverse agonists. The resulting frontrunner compound features a pyrimidine-based scaffold, high in vitro and in vivo efficacy, favorable pharmacokinetics as well as clean safety pharmacology characteristics, which provide the basis for potential pulmonary as well as systemic routes of administration. An X-ray crystal structure in complex with PqsR facilitated further structure-guided lead optimization. The compound demonstrates potent pyocyanin suppression, synergizes with aminoglycoside antibiotic tobramycin against PA biofilms, and is active against a panel of clinical isolates from bronchiectasis patients. Importantly, this in vitro effect translated into in vivo efficacy in a neutropenic thigh infection model in mice providing a proof-of-principle for adjunctive treatment scenarios.
Collapse
Affiliation(s)
- Mostafa M. Hamed
- Helmholtz‐Institute for Pharmaceutical Research Saarland (HIPS)Helmholtz Centre for Infection Research (HZI) Campus E8.166123SaarbrückenGermany
- German Centre for Infection Research (DZIF)Partner Site Hannover‐Braunschweig Saarbrücken66123SaarbrückenGermany
| | - Ahmed S. Abdelsamie
- Helmholtz‐Institute for Pharmaceutical Research Saarland (HIPS)Helmholtz Centre for Infection Research (HZI) Campus E8.166123SaarbrückenGermany
- German Centre for Infection Research (DZIF)Partner Site Hannover‐Braunschweig Saarbrücken66123SaarbrückenGermany
- Department of Chemistry of Natural and Microbial ProductsInstitute of Pharmaceutical and Drug Industries ResearchNational Research CentreEl‐Buhouth St.DokkiCairo12622Egypt
| | - Katharina Rox
- German Centre for Infection Research (DZIF)Partner Site Hannover‐Braunschweig Saarbrücken66123SaarbrückenGermany
- Department of Chemical Biology (CBIO)Helmholtz Centre for Infection Research (HZI)Inhoffenstr. 7 Braunschweig38124SaarbrückenGermany
| | - Christian Schütz
- Helmholtz‐Institute for Pharmaceutical Research Saarland (HIPS)Helmholtz Centre for Infection Research (HZI) Campus E8.166123SaarbrückenGermany
- German Centre for Infection Research (DZIF)Partner Site Hannover‐Braunschweig Saarbrücken66123SaarbrückenGermany
| | - Andreas M. Kany
- Helmholtz‐Institute for Pharmaceutical Research Saarland (HIPS)Helmholtz Centre for Infection Research (HZI) Campus E8.166123SaarbrückenGermany
- German Centre for Infection Research (DZIF)Partner Site Hannover‐Braunschweig Saarbrücken66123SaarbrückenGermany
| | - Teresa Röhrig
- Helmholtz‐Institute for Pharmaceutical Research Saarland (HIPS)Helmholtz Centre for Infection Research (HZI) Campus E8.166123SaarbrückenGermany
- German Centre for Infection Research (DZIF)Partner Site Hannover‐Braunschweig Saarbrücken66123SaarbrückenGermany
| | - Stefan Schmelz
- Department of Structure and Function of Proteins (SFPR)Helmholtz Centre for Infection Research (HZI)Inhoffenstr. 7 Braunschweig38124SaarbrückenGermany
| | - Wulf Blankenfeldt
- Department of Structure and Function of Proteins (SFPR)Helmholtz Centre for Infection Research (HZI)Inhoffenstr. 7 Braunschweig38124SaarbrückenGermany
- Institute for BiochemistryBiotechnology and BioinformaticsTechnische Universität BraunschweigBraunschweigGermany
| | | | - José Manuel Borrero‐de Acuña
- Institute of MicrobiologyTechnische Universität Braunschweig38106BraunschweigGermany
- Braunschweig Integrated Centre of Systems Biology (BRICS)Technische Universität Braunschweig38106BraunschweigGermany
- Departamento de MicrobiologíaFacultad de BiologíaUniversidad de SevillaAv. de la Reina Mercedesno. 6SevillaCP 41012Spain
| | - Dieter Jahn
- Institute of MicrobiologyTechnische Universität Braunschweig38106BraunschweigGermany
- Braunschweig Integrated Centre of Systems Biology (BRICS)Technische Universität Braunschweig38106BraunschweigGermany
| | - Jessica Rademacher
- Department for Respiratory MedicineMedizinische Hochschule HannoverCarl‐Neuberg‐Str. 130625HannoverGermany
- Biomedical Research in Endstage and Obstructive Lung Disease (BREATH)German Center for Lung Research (DZL)30625HannoverGermany
| | - Felix C. Ringshausen
- Department for Respiratory MedicineMedizinische Hochschule HannoverCarl‐Neuberg‐Str. 130625HannoverGermany
- Biomedical Research in Endstage and Obstructive Lung Disease (BREATH)German Center for Lung Research (DZL)30625HannoverGermany
- European Reference Network on Rare and Complex Respiratory Diseases (ERN‐ LUNG)FrankfurtGermany
| | - Nina Cramer
- Department for Pediatric PneumologyAllergology and NeonatologyMedizinische Hochschule HannoverCarl‐Neuberg‐Str. 130625HannoverGermany
| | - Burkhard Tümmler
- Biomedical Research in Endstage and Obstructive Lung Disease (BREATH)German Center for Lung Research (DZL)30625HannoverGermany
- Department for Pediatric PneumologyAllergology and NeonatologyMedizinische Hochschule HannoverCarl‐Neuberg‐Str. 130625HannoverGermany
| | - Anna K. H. Hirsch
- Helmholtz‐Institute for Pharmaceutical Research Saarland (HIPS)Helmholtz Centre for Infection Research (HZI) Campus E8.166123SaarbrückenGermany
- German Centre for Infection Research (DZIF)Partner Site Hannover‐Braunschweig Saarbrücken66123SaarbrückenGermany
- Department of PharmacySaarland University Campus E8.166123SaarbrückenGermany
| | - Rolf W. Hartmann
- Helmholtz‐Institute for Pharmaceutical Research Saarland (HIPS)Helmholtz Centre for Infection Research (HZI) Campus E8.166123SaarbrückenGermany
- German Centre for Infection Research (DZIF)Partner Site Hannover‐Braunschweig Saarbrücken66123SaarbrückenGermany
- Department of PharmacySaarland University Campus E8.166123SaarbrückenGermany
| | - Martin Empting
- Helmholtz‐Institute for Pharmaceutical Research Saarland (HIPS)Helmholtz Centre for Infection Research (HZI) Campus E8.166123SaarbrückenGermany
- German Centre for Infection Research (DZIF)Partner Site Hannover‐Braunschweig Saarbrücken66123SaarbrückenGermany
- Department of PharmacySaarland University Campus E8.166123SaarbrückenGermany
| |
Collapse
|
16
|
Walesch S, Birkelbach J, Jézéquel G, Haeckl FPJ, Hegemann JD, Hesterkamp T, Hirsch AKH, Hammann P, Müller R. Fighting antibiotic resistance-strategies and (pre)clinical developments to find new antibacterials. EMBO Rep 2022; 24:e56033. [PMID: 36533629 PMCID: PMC9827564 DOI: 10.15252/embr.202256033] [Citation(s) in RCA: 52] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 11/23/2022] [Accepted: 11/25/2022] [Indexed: 12/23/2022] Open
Abstract
Antibacterial resistance is one of the greatest threats to human health. The development of new therapeutics against bacterial pathogens has slowed drastically since the approvals of the first antibiotics in the early and mid-20th century. Most of the currently investigated drug leads are modifications of approved antibacterials, many of which are derived from natural products. In this review, we highlight the challenges, advancements and current standing of the clinical and preclinical antibacterial research pipeline. Additionally, we present novel strategies for rejuvenating the discovery process and advocate for renewed and enthusiastic investment in the antibacterial discovery pipeline.
Collapse
Affiliation(s)
- Sebastian Walesch
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS)SaarbrückenGermany,Department of PharmacySaarland UniversitySaarbrückenGermany,Helmholtz Centre for Infection research (HZI)BraunschweigGermany,German Center for infection research (DZIF)BraunschweigGermany
| | - Joy Birkelbach
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS)SaarbrückenGermany,Department of PharmacySaarland UniversitySaarbrückenGermany,Helmholtz Centre for Infection research (HZI)BraunschweigGermany,German Center for infection research (DZIF)BraunschweigGermany
| | - Gwenaëlle Jézéquel
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS)SaarbrückenGermany,Helmholtz Centre for Infection research (HZI)BraunschweigGermany
| | - F P Jake Haeckl
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS)SaarbrückenGermany,Department of PharmacySaarland UniversitySaarbrückenGermany,Helmholtz Centre for Infection research (HZI)BraunschweigGermany,German Center for infection research (DZIF)BraunschweigGermany
| | - Julian D Hegemann
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS)SaarbrückenGermany,Department of PharmacySaarland UniversitySaarbrückenGermany,Helmholtz Centre for Infection research (HZI)BraunschweigGermany,German Center for infection research (DZIF)BraunschweigGermany
| | - Thomas Hesterkamp
- Helmholtz Centre for Infection research (HZI)BraunschweigGermany,German Center for infection research (DZIF)BraunschweigGermany
| | - Anna K H Hirsch
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS)SaarbrückenGermany,Department of PharmacySaarland UniversitySaarbrückenGermany,Helmholtz Centre for Infection research (HZI)BraunschweigGermany,German Center for infection research (DZIF)BraunschweigGermany,Helmholtz International Lab for Anti‐InfectivesSaarbrückenGermany
| | - Peter Hammann
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS)SaarbrückenGermany,Department of PharmacySaarland UniversitySaarbrückenGermany,Helmholtz Centre for Infection research (HZI)BraunschweigGermany,German Center for infection research (DZIF)BraunschweigGermany
| | - Rolf Müller
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS)SaarbrückenGermany,Department of PharmacySaarland UniversitySaarbrückenGermany,Helmholtz Centre for Infection research (HZI)BraunschweigGermany,German Center for infection research (DZIF)BraunschweigGermany,Helmholtz International Lab for Anti‐InfectivesSaarbrückenGermany
| |
Collapse
|
17
|
Borgert SR, Henke S, Witzgall F, Schmelz S, Zur Lage S, Hotop SK, Stephen S, Lübken D, Krüger J, Gomez NO, van Ham M, Jänsch L, Kalesse M, Pich A, Brönstrup M, Häussler S, Blankenfeldt W. Moonlighting chaperone activity of the enzyme PqsE contributes to RhlR-controlled virulence of Pseudomonas aeruginosa. Nat Commun 2022; 13:7402. [PMID: 36456567 PMCID: PMC9715718 DOI: 10.1038/s41467-022-35030-w] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 11/14/2022] [Indexed: 12/05/2022] Open
Abstract
Pseudomonas aeruginosa is a major cause of nosocomial infections and also leads to severe exacerbations in cystic fibrosis or chronic obstructive pulmonary disease. Three intertwined quorum sensing systems control virulence of P. aeruginosa, with the rhl circuit playing the leading role in late and chronic infections. The majority of traits controlled by rhl transcription factor RhlR depend on PqsE, a dispensable thioesterase in Pseudomonas Quinolone Signal (PQS) biosynthesis that interferes with RhlR through an enigmatic mechanism likely involving direct interaction of both proteins. Here we show that PqsE and RhlR form a 2:2 protein complex that, together with RhlR agonist N-butanoyl-L-homoserine lactone (C4-HSL), solubilizes RhlR and thereby renders the otherwise insoluble transcription factor active. We determine crystal structures of the complex and identify residues essential for the interaction. To corroborate the chaperone-like activity of PqsE, we design stability-optimized variants of RhlR that bypass the need for C4-HSL and PqsE in activating PqsE/RhlR-controlled processes of P. aeruginosa. Together, our data provide insight into the unique regulatory role of PqsE and lay groundwork for developing new P. aeruginosa-specific pharmaceuticals.
Collapse
Affiliation(s)
- Sebastian Roman Borgert
- Department Structure and Function of Proteins, Helmholtz Centre for Infection Research, Inhoffenstr. 7, 38124, Braunschweig, Germany
| | - Steffi Henke
- Department Structure and Function of Proteins, Helmholtz Centre for Infection Research, Inhoffenstr. 7, 38124, Braunschweig, Germany
| | - Florian Witzgall
- Department Structure and Function of Proteins, Helmholtz Centre for Infection Research, Inhoffenstr. 7, 38124, Braunschweig, Germany
| | - Stefan Schmelz
- Department Structure and Function of Proteins, Helmholtz Centre for Infection Research, Inhoffenstr. 7, 38124, Braunschweig, Germany
| | - Susanne Zur Lage
- Department Structure and Function of Proteins, Helmholtz Centre for Infection Research, Inhoffenstr. 7, 38124, Braunschweig, Germany
| | - Sven-Kevin Hotop
- Department Chemical Biology, Helmholtz Centre for Infection Research, Inhoffenstr. 7, 38124, Braunschweig, Germany
| | - Steffi Stephen
- Department Chemical Biology, Helmholtz Centre for Infection Research, Inhoffenstr. 7, 38124, Braunschweig, Germany
| | - Dennis Lübken
- Institute of Organic Chemistry, Leibniz University Hannover, Schneiderberg 1B, 30167, Hannover, Germany
| | - Jonas Krüger
- Department Molecular Bacteriology, Helmholtz Centre for Infection Research, Inhoffenstr. 7, 38124, Braunschweig, Germany
| | - Nicolas Oswaldo Gomez
- Department Molecular Bacteriology, Helmholtz Centre for Infection Research, Inhoffenstr. 7, 38124, Braunschweig, Germany
| | - Marco van Ham
- Cellular Proteomics, Helmholtz Centre for Infection Research, Inhoffenstr. 7, 38124, Braunschweig, Germany
| | - Lothar Jänsch
- Cellular Proteomics, Helmholtz Centre for Infection Research, Inhoffenstr. 7, 38124, Braunschweig, Germany
| | - Markus Kalesse
- Institute of Organic Chemistry, Leibniz University Hannover, Schneiderberg 1B, 30167, Hannover, Germany
| | - Andreas Pich
- Institute for Toxicology, Core Facility Proteomics, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Mark Brönstrup
- Department Chemical Biology, Helmholtz Centre for Infection Research, Inhoffenstr. 7, 38124, Braunschweig, Germany
| | - Susanne Häussler
- Department Molecular Bacteriology, Helmholtz Centre for Infection Research, Inhoffenstr. 7, 38124, Braunschweig, Germany
| | - Wulf Blankenfeldt
- Department Structure and Function of Proteins, Helmholtz Centre for Infection Research, Inhoffenstr. 7, 38124, Braunschweig, Germany.
- Institute for Biochemistry, Biotechnology and Bioinformatics, Technische Universität Braunschweig, Spielmannstr. 7, 38106, Braunschweig, Germany.
| |
Collapse
|
18
|
Cooper MS, Zhang L, Ibrahim M, Zhang K, Sun X, Röske J, Göhl M, Brönstrup M, Cowell JK, Sauerhering L, Becker S, Vangeel L, Jochmans D, Neyts J, Rox K, Marsh GP, Maple HJ, Hilgenfeld R. Diastereomeric Resolution Yields Highly Potent Inhibitor of SARS-CoV-2 Main Protease. J Med Chem 2022; 65:13328-13342. [PMID: 36179320 PMCID: PMC9574927 DOI: 10.1021/acs.jmedchem.2c01131] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Indexed: 12/02/2022]
Abstract
SARS-CoV-2 is the causative agent behind the COVID-19 pandemic. The main protease (Mpro, 3CLpro) of SARS-CoV-2 is a key enzyme that processes polyproteins translated from the viral RNA. Mpro is therefore an attractive target for the design of inhibitors that block viral replication. We report the diastereomeric resolution of the previously designed SARS-CoV-2 Mpro α-ketoamide inhibitor 13b. The pure (S,S,S)-diastereomer, 13b-K, displays an IC50 of 120 nM against the Mpro and EC50 values of 0.8-3.4 μM for antiviral activity in different cell types. Crystal structures have been elucidated for the Mpro complexes with each of the major diastereomers, the active (S,S,S)-13b (13b-K), and the nearly inactive (R,S,S)-13b (13b-H); results for the latter reveal a novel binding mode. Pharmacokinetic studies show good levels of 13b-K after inhalative as well as after peroral administration. The active inhibitor (13b-K) is a promising candidate for further development as an antiviral treatment for COVID-19.
Collapse
Affiliation(s)
- Mark S. Cooper
- Bio-Techne
(Tocris), The Watkins
Building, Atlantic Road, Bristol, BS11 9QD, U.K.
| | - Linlin Zhang
- Institute
of Molecular Medicine, University of Lübeck, 23562 Lübeck, Germany
| | - Mohamed Ibrahim
- Institute
of Molecular Medicine, University of Lübeck, 23562 Lübeck, Germany
| | - Kaixuan Zhang
- Institute
of Molecular Medicine, University of Lübeck, 23562 Lübeck, Germany
| | - Xinyuanyuan Sun
- Institute
of Molecular Medicine, University of Lübeck, 23562 Lübeck, Germany
| | - Judith Röske
- Institute
of Molecular Medicine, University of Lübeck, 23562 Lübeck, Germany
| | - Matthias Göhl
- Department
of Chemical Biology, Helmholtz Centre for
Infection Research (HZI), 38124 Braunschweig, Germany
| | - Mark Brönstrup
- Department
of Chemical Biology, Helmholtz Centre for
Infection Research (HZI), 38124 Braunschweig, Germany
- German
Center for Infection Research (DZIF), Partner
Site Braunschweig-Hannover, 38124 Braunschweig, Germany
| | - Justin K. Cowell
- Bio-Techne
(Tocris), The Watkins
Building, Atlantic Road, Bristol, BS11 9QD, U.K.
| | - Lucie Sauerhering
- Institute
of Virology, University of Marburg, 35043 Marburg, Germany
| | - Stephan Becker
- Institute
of Virology, University of Marburg, 35043 Marburg, Germany
- German Center
for Infection Research (DZIF), Marburg-Gießen-Langen
Site, 35043 Marburg, Germany
| | - Laura Vangeel
- Rega
Institute, Department of Microbiology, Immunology and Transplantation, KU Leuven, B-3000 Leuven, Belgium
| | - Dirk Jochmans
- Rega
Institute, Department of Microbiology, Immunology and Transplantation, KU Leuven, B-3000 Leuven, Belgium
| | - Johan Neyts
- Rega
Institute, Department of Microbiology, Immunology and Transplantation, KU Leuven, B-3000 Leuven, Belgium
| | - Katharina Rox
- Department
of Chemical Biology, Helmholtz Centre for
Infection Research (HZI), 38124 Braunschweig, Germany
- German
Center for Infection Research (DZIF), Partner
Site Braunschweig-Hannover, 38124 Braunschweig, Germany
| | - Graham P. Marsh
- Bio-Techne
(Tocris), The Watkins
Building, Atlantic Road, Bristol, BS11 9QD, U.K.
| | - Hannah J. Maple
- Bio-Techne
(Tocris), The Watkins
Building, Atlantic Road, Bristol, BS11 9QD, U.K.
| | - Rolf Hilgenfeld
- Institute
of Molecular Medicine, University of Lübeck, 23562 Lübeck, Germany
- German
Center for Infection Research (DZIF), Hamburg-Lübeck-Borstel-Riems
Site, University of Lübeck, 23562 Lübeck, Germany
| |
Collapse
|
19
|
Potok P, Potocki S. Bacterial M10 metallopeptidase as a medicinal target - coordination chemistry of possible metal-based inhibition. Dalton Trans 2022; 51:14882-14893. [PMID: 36056680 DOI: 10.1039/d2dt02265f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Streptococcus pneumoniae is the most frequent cause of fatal bacterial pneumonia infection worldwide. Due to the spreading of antibiotic-resistant pathogens, it is important to search for new therapeutic and prevention strategies against bacterial infections. It is believed that the search for effective inhibitors of bacterial and pathogenic metallopeptidases could be one of the innovative strategies for the design of new antibiotics. Most of them contain zinc in the metal-binding site of the protein, which is a critical component for the biological activity of the enzyme. The main goal of this work is to determine the specificity of the interactions between the binding domain of the metallopeptidase from S. pneumoniae, and Zn(II). Considering the observed inhibitory role of copper towards the metallopeptidases, the next step is to analyze the formation of complexes with Cu(II) and Ni(II). The thermodynamic properties of Zn(II), Cu(II), and Ni(II) complexes were examined by potentiometry, NMR, MS, UV-Vis, CD, and EPR. The results show a similar coordination pattern, HExxHxxxxxH, for all three studied metals below pH 7. Moreover, the primary binding sites were established as the N-terminus in all cases. However, at a pH value of 7.4, the coordination and geometry of the formed complexes differ. The comparison of the stability of the formed complexes reveals that both Cu(II) and Ni(II) are able to displace Zn(II) from its binding site in the whole studied pH range. It opens a discussion on the catalytic zinc ion displacement possibilities by other divalent metal ions and the importance of this process in enzymatic inhibition.
Collapse
Affiliation(s)
- Paulina Potok
- Faculty of Chemistry, University of Wroclaw, 14 Joliot-Curie St., 50-383 Wroclaw, Poland.
| | - Sławomir Potocki
- Faculty of Chemistry, University of Wroclaw, 14 Joliot-Curie St., 50-383 Wroclaw, Poland.
| |
Collapse
|
20
|
Singh VK, Almpani M, Maura D, Kitao T, Ferrari L, Fontana S, Bergamini G, Calcaterra E, Pignaffo C, Negri M, de Oliveira Pereira T, Skinner F, Gkikas M, Andreotti D, Felici A, Déziel E, Lépine F, Rahme LG. Tackling recalcitrant Pseudomonas aeruginosa infections in critical illness via anti-virulence monotherapy. Nat Commun 2022; 13:5103. [PMID: 36042245 PMCID: PMC9428149 DOI: 10.1038/s41467-022-32833-9] [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: 03/21/2022] [Accepted: 08/19/2022] [Indexed: 11/13/2022] Open
Abstract
Intestinal barrier derangement allows intestinal bacteria and their products to translocate to the systemic circulation. Pseudomonas aeruginosa (PA) superimposed infection in critically ill patients increases gut permeability and leads to gut-driven sepsis. PA infections are challenging due to multi-drug resistance (MDR), biofilms, and/or antibiotic tolerance. Inhibition of the quorum-sensing transcriptional regulator MvfR(PqsR) is a desirable anti-PA anti-virulence strategy as MvfR controls multiple acute and chronic virulence functions. Here we show that MvfR promotes intestinal permeability and report potent anti-MvfR compounds, the N-Aryl Malonamides (NAMs), resulting from extensive structure-activity-relationship studies and thorough assessment of the inhibition of MvfR-controlled virulence functions. This class of anti-virulence non-native ligand-based agents has a half-maximal inhibitory concentration in the nanomolar range and strong target engagement. Using a NAM lead in monotherapy protects murine intestinal barrier function, abolishes MvfR-regulated small molecules, ameliorates bacterial dissemination, and lowers inflammatory cytokines. This study demonstrates the importance of MvfR in PA-driven intestinal permeability. It underscores the utility of anti-MvfR agents in maintaining gut mucosal integrity, which should be part of any successful strategy to prevent/treat PA infections and associated gut-derived sepsis in critical illness settings. NAMs provide for the development of crucial preventive/therapeutic monotherapy options against untreatable MDR PA infections. Pseudomonas aeruginosa infections are increasingly difficult to treat due to the development of antimicrobial resistance. Here, the authors describe the synthesis, characterisation and efficacy of a quorum sensing inhibitor.
Collapse
Affiliation(s)
- Vijay K Singh
- Department of Surgery, Harvard Medical School and Massachusetts General Hospital, Boston, MA, 02114, USA.,Shriners Hospitals for Children, Boston, MA, 02114, USA.,Department of Microbiology, Harvard Medical School, Boston, MA, 02115, USA
| | - Marianna Almpani
- Department of Surgery, Harvard Medical School and Massachusetts General Hospital, Boston, MA, 02114, USA.,Shriners Hospitals for Children, Boston, MA, 02114, USA.,Department of Microbiology, Harvard Medical School, Boston, MA, 02115, USA
| | - Damien Maura
- Department of Surgery, Harvard Medical School and Massachusetts General Hospital, Boston, MA, 02114, USA.,Shriners Hospitals for Children, Boston, MA, 02114, USA.,Department of Microbiology, Harvard Medical School, Boston, MA, 02115, USA.,Voyager Therapeutics, Cambridge, MA, 02139, USA
| | - Tomoe Kitao
- Department of Surgery, Harvard Medical School and Massachusetts General Hospital, Boston, MA, 02114, USA.,Shriners Hospitals for Children, Boston, MA, 02114, USA.,Department of Microbiology, Harvard Medical School, Boston, MA, 02115, USA.,T. Kitao, Department of Microbiology, Graduate School of Medicine, Gifu University, Gifu, 501-1194, Japan
| | - Livia Ferrari
- Translational Biology Department, Aptuit (Verona) S.rl, an Evotec Company, 37135 Via A. Fleming 4, Verona, Italy
| | - Stefano Fontana
- DMPK Department, Aptuit (Verona) S.rl, an Evotec Company, 37135 Via A. Fleming 4, Verona, Italy
| | - Gabriella Bergamini
- Translational Biology Department, Aptuit (Verona) S.rl, an Evotec Company, 37135 Via A. Fleming 4, Verona, Italy
| | - Elisa Calcaterra
- Translational Biology Department, Aptuit (Verona) S.rl, an Evotec Company, 37135 Via A. Fleming 4, Verona, Italy
| | - Chiara Pignaffo
- DMPK Department, Aptuit (Verona) S.rl, an Evotec Company, 37135 Via A. Fleming 4, Verona, Italy
| | - Michele Negri
- In vitro Chemotherapy Laboratory, Aptuit (Verona) S.r.l., an Evotec Company, 37135 Via A. Fleming 4, Verona, Italy
| | - Thays de Oliveira Pereira
- Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique (INRS), Laval, Quebec, H7V 1B7, Canada
| | - Frances Skinner
- Department of Chemistry, University of Massachusetts Lowell, Lowell, MA, 01854, USA
| | - Manos Gkikas
- Department of Chemistry, University of Massachusetts Lowell, Lowell, MA, 01854, USA
| | - Danielle Andreotti
- Global Synthetic Chemistry Department, Aptuit (Verona) S.r.l., an Evotec Company, 37135 Via A. Fleming 4, Verona, Italy
| | - Antonio Felici
- Department of Microbiology Discovery, In Vitro Biology, Aptuit (Verona) S.r.l., an Evotec Company, 37135 Via A. Fleming 4, Verona, Italy.,A Felici, Academic Partnership, Evotec SE, 37135 Via A. Fleming 4, Verona, Italy
| | - Eric Déziel
- Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique (INRS), Laval, Quebec, H7V 1B7, Canada
| | - Francois Lépine
- Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique (INRS), Laval, Quebec, H7V 1B7, Canada
| | - Laurence G Rahme
- Department of Surgery, Harvard Medical School and Massachusetts General Hospital, Boston, MA, 02114, USA. .,Shriners Hospitals for Children, Boston, MA, 02114, USA. .,Department of Microbiology, Harvard Medical School, Boston, MA, 02115, USA.
| |
Collapse
|
21
|
Yin R, Cheng J, Wang J, Li P, Lin J. Treatment of Pseudomonas aeruginosa infectious biofilms: Challenges and strategies. Front Microbiol 2022; 13:955286. [PMID: 36090087 PMCID: PMC9459144 DOI: 10.3389/fmicb.2022.955286] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Accepted: 08/09/2022] [Indexed: 01/10/2023] Open
Abstract
Pseudomonas aeruginosa, a Gram-negative bacterium, is one of the major pathogens implicated in human opportunistic infection and a common cause of clinically persistent infections such as cystic fibrosis, urinary tract infections, and burn infections. The main reason for the persistence of P. aeruginosa infections is due to the ability of P. aeruginosa to secrete extracellular polymeric substances such as exopolysaccharides, matrix proteins, and extracellular DNA during invasion. These substances adhere to and wrap around bacterial cells to form a biofilm. Biofilm formation leads to multiple antibiotic resistance in P. aeruginosa, posing a significant challenge to conventional single antibiotic therapeutic approaches. It has therefore become particularly important to develop anti-biofilm drugs. In recent years, a number of new alternative drugs have been developed to treat P. aeruginosa infectious biofilms, including antimicrobial peptides, quorum-sensing inhibitors, bacteriophage therapy, and antimicrobial photodynamic therapy. This article briefly introduces the process and regulation of P. aeruginosa biofilm formation and reviews several developed anti-biofilm treatment technologies to provide new directions for the treatment of P. aeruginosa biofilm infection.
Collapse
|
22
|
The Molecular Architecture of Pseudomonas aeruginosa Quorum-Sensing Inhibitors. Mar Drugs 2022; 20:md20080488. [PMID: 36005489 PMCID: PMC9409833 DOI: 10.3390/md20080488] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 07/24/2022] [Accepted: 07/25/2022] [Indexed: 02/04/2023] Open
Abstract
The survival selection pressure caused by antibiotic-mediated bactericidal and bacteriostatic activity is one of the important inducements for bacteria to develop drug resistance. Bacteria gain drug resistance through spontaneous mutation so as to achieve the goals of survival and reproduction. Quorum sensing (QS) is an intercellular communication system based on cell density that can regulate bacterial virulence and biofilm formation. The secretion of more than 30 virulence factors of P. aeruginosa is controlled by QS, and the formation and diffusion of biofilm is an important mechanism causing the multidrug resistance of P. aeruginosa, which is also closely related to the QS system. There are three main QS systems in P. aeruginosa: las system, rhl system, and pqs system. Quorum-sensing inhibitors (QSIs) can reduce the toxicity of bacteria without affecting the growth and enhance the sensitivity of bacterial biofilms to antibiotic treatment. These characteristics make QSIs a popular topic for research and development in the field of anti-infection. This paper reviews the research progress of the P. aeruginosa quorum-sensing system and QSIs, targeting three QS systems, which will provide help for the future research and development of novel quorum-sensing inhibitors.
Collapse
|
23
|
Cui C, Mu F, Tang M, Lin R, Wang M, Zhao X, Guan Y, Wang J. A prediction and interpretation machine learning framework of mortality risk among severe infection patients with pseudomonas aeruginosa. Front Med (Lausanne) 2022; 9:942356. [PMID: 35957862 PMCID: PMC9358029 DOI: 10.3389/fmed.2022.942356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 06/30/2022] [Indexed: 11/13/2022] Open
Abstract
Pseudomonas aeruginosa is a ubiquitous opportunistic bacterial pathogen, which is a leading cause of nosocomial pneumonia. Early identification of the risk factors is urgently needed for severe infection patients with P. aeruginosa. However, no detailed relevant investigation based on machine learning has been reported, and little research has focused on exploring relationships between key risk clinical variables and clinical outcome of patients. In this study, we collected 571 severe infections with P. aeruginosa patients admitted to the Xijing Hospital of the Fourth Military Medical University from January 2010 to July 2021. Basic clinical information, clinical signs and symptoms, laboratory indicators, bacterial culture, and drug related were recorded. Machine learning algorithm of XGBoost was applied to build a model for predicting mortality risk of P. aeruginosa infection in severe patients. The performance of XGBoost model (AUROC = 0.94 ± 0.01, AUPRC = 0.94 ± 0.03) was greater than the performance of support vector machine (AUROC = 0.90 ± 0.03, AUPRC = 0.91 ± 0.02) and random forest (AUROC = 0.93 ± 0.03, AUPRC = 0.89 ± 0.04). This study also aimed to interpret the model and to explore the impact of clinical variables. The interpretation analysis highlighted the effects of age, high-alert drugs, and the number of drug varieties. Further stratification clarified the necessity of different treatment for severe infection for different populations.
Collapse
|
24
|
Kiefer AF, Bousis S, Hamed MM, Diamanti E, Haupenthal J, Hirsch AKH. Structure-Guided Optimization of Small-Molecule Folate Uptake Inhibitors Targeting the Energy-Coupling Factor Transporters. J Med Chem 2022; 65:8869-8880. [PMID: 35709475 PMCID: PMC9289886 DOI: 10.1021/acs.jmedchem.1c02114] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
![]()
Here, we report on
a potent class of substituted ureidothiophenes
targeting energy-coupling factor (ECF) transporters, an unexplored
target that is not addressed by any antibiotic in the market. Since
the ECF module is crucial for the vitamin transport mechanism, the
prevention of substrate uptake should ultimately lead to cell death.
By utilizing a combination of virtual and functional whole-cell screening
of our in-house library, the membrane-bound protein mediated uptake
of folate could be effectively inhibited. Structure-based optimization
of our hit yielded low-micromolar inhibitors, whereby the most active
compounds showed in addition potent antimicrobial activities against
a panel of clinically relevant Gram-positive pathogens without significant
cytotoxic effects.
Collapse
Affiliation(s)
- Alexander F Kiefer
- Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS)-Helmholtz Centre for Infection Research (HZI), Campus E8.1, 66123 Saarbrücken, Germany
| | - Spyridon Bousis
- Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS)-Helmholtz Centre for Infection Research (HZI), Campus E8.1, 66123 Saarbrücken, Germany.,Department of Pharmacy, Saarland University, Campus E8.1, 66123 Saarbrücken, Germany
| | - Mostafa M Hamed
- Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS)-Helmholtz Centre for Infection Research (HZI), Campus E8.1, 66123 Saarbrücken, Germany
| | - Eleonora Diamanti
- Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS)-Helmholtz Centre for Infection Research (HZI), Campus E8.1, 66123 Saarbrücken, Germany.,Helmholtz International Lab for Anti-Infectives, Campus E8.1, 66123 Saarbrücken, Germany
| | - Jörg Haupenthal
- Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS)-Helmholtz Centre for Infection Research (HZI), Campus E8.1, 66123 Saarbrücken, Germany
| | - Anna K H Hirsch
- Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS)-Helmholtz Centre for Infection Research (HZI), Campus E8.1, 66123 Saarbrücken, Germany.,Department of Pharmacy, Saarland University, Campus E8.1, 66123 Saarbrücken, Germany.,Helmholtz International Lab for Anti-Infectives, Campus E8.1, 66123 Saarbrücken, Germany
| |
Collapse
|
25
|
Louis M, Clamens T, Tahrioui A, Desriac F, Rodrigues S, Rosay T, Harmer N, Diaz S, Barreau M, Racine P, Kipnis E, Grandjean T, Vieillard J, Bouffartigues E, Cornelis P, Chevalier S, Feuilloley MGJ, Lesouhaitier O. Pseudomonas aeruginosa Biofilm Dispersion by the Human Atrial Natriuretic Peptide. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2103262. [PMID: 35032112 PMCID: PMC8895129 DOI: 10.1002/advs.202103262] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 11/29/2021] [Indexed: 05/05/2023]
Abstract
Pseudomonas aeruginosa biofilms cause chronic, antibiotic tolerant infections in wounds and lungs. Numerous recent studies demonstrate that bacteria can detect human communication compounds through specific sensor/receptor tools that modulate bacterial physiology. Consequently, interfering with these mechanisms offers an exciting opportunity to directly affect the infection process. It is shown that the human hormone Atrial Natriuretic Peptide (hANP) both prevents the formation of P. aeruginosa biofilms and strongly disperses established P. aeruginosa biofilms. This hANP action is dose-dependent with a strong effect at low nanomolar concentrations and takes effect in 30-120 min. Furthermore, although hANP has no antimicrobial effect, it acts as an antibiotic adjuvant. hANP enhances the antibiofilm action of antibiotics with diverse modes of action, allowing almost full biofilm eradication. The hANP effect requires the presence of the P. aeruginosa sensor AmiC and the AmiR antiterminator regulator, indicating a specific mode of action. These data establish the activation of the ami pathway as a potential mechanism for P. aeruginosa biofilm dispersion. hANP appears to be devoid of toxicity, does not enhance bacterial pathogenicity, and acts synergistically with antibiotics. These data show that hANP is a promising powerful antibiofilm weapon against established P. aeruginosa biofilms in chronic infections.
Collapse
Affiliation(s)
- Mélissande Louis
- Laboratory of Microbiology Signals and Microenvironment LMSM EA 4312University of Rouen NormandyEvreux27000France
| | - Thomas Clamens
- Laboratory of Microbiology Signals and Microenvironment LMSM EA 4312University of Rouen NormandyEvreux27000France
| | - Ali Tahrioui
- Laboratory of Microbiology Signals and Microenvironment LMSM EA 4312University of Rouen NormandyEvreux27000France
| | - Florie Desriac
- Laboratory of Microbiology Signals and Microenvironment LMSM EA 4312University of Rouen NormandyEvreux27000France
- Normandie UnivUNICAENUnité De Recherche Risques Microbiens U2RMCaen14000France
| | - Sophie Rodrigues
- Laboratory of Microbiology Signals and Microenvironment LMSM EA 4312University of Rouen NormandyEvreux27000France
| | - Thibaut Rosay
- Laboratory of Microbiology Signals and Microenvironment LMSM EA 4312University of Rouen NormandyEvreux27000France
| | | | - Suraya Diaz
- School of BiosciencesUniversity of ExeterExeterEX4 4QDUK
| | - Magalie Barreau
- Laboratory of Microbiology Signals and Microenvironment LMSM EA 4312University of Rouen NormandyEvreux27000France
| | - Pierre‐Jean Racine
- Laboratory of Microbiology Signals and Microenvironment LMSM EA 4312University of Rouen NormandyEvreux27000France
| | - Eric Kipnis
- Univ. LilleCNRSInserm, CHU LilleInstitut Pasteur de LilleU1019‐UMR9017‐CIIL‐Centre d’Infection et d’Immunité de Lille, Lille, FranceUniversity LilleLilleF‐59000France
| | - Teddy Grandjean
- Univ. LilleCNRSInserm, CHU LilleInstitut Pasteur de LilleU1019‐UMR9017‐CIIL‐Centre d’Infection et d’Immunité de Lille, Lille, FranceUniversity LilleLilleF‐59000France
| | - Julien Vieillard
- Normandie UnivUNIROUENINSA RouenCNRSCOBRA (UMR 6014)Evreux27000France
| | - Emeline Bouffartigues
- Laboratory of Microbiology Signals and Microenvironment LMSM EA 4312University of Rouen NormandyEvreux27000France
| | - Pierre Cornelis
- Laboratory of Microbiology Signals and Microenvironment LMSM EA 4312University of Rouen NormandyEvreux27000France
| | - Sylvie Chevalier
- Laboratory of Microbiology Signals and Microenvironment LMSM EA 4312University of Rouen NormandyEvreux27000France
| | - Marc G. J. Feuilloley
- Laboratory of Microbiology Signals and Microenvironment LMSM EA 4312University of Rouen NormandyEvreux27000France
| | - Olivier Lesouhaitier
- Laboratory of Microbiology Signals and Microenvironment LMSM EA 4312University of Rouen NormandyEvreux27000France
| |
Collapse
|
26
|
Horstmann JC, Laric A, Boese A, Yildiz D, Röhrig T, Empting M, Frank N, Krug D, Müller R, Schneider-Daum N, de Souza Carvalho-Wodarz C, Lehr CM. Transferring Microclusters of P. aeruginosa Biofilms to the Air-Liquid Interface of Bronchial Epithelial Cells for Repeated Deposition of Aerosolized Tobramycin. ACS Infect Dis 2022; 8:137-149. [PMID: 34919390 DOI: 10.1021/acsinfecdis.1c00444] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
As an alternative to technically demanding and ethically debatable animal models, the use of organotypic and disease-relevant human cell culture models may improve the throughput, speed, and success rate for the translation of novel anti-infectives into the clinic. Besides bacterial killing, host cell viability and barrier function appear as relevant but seldomly measured readouts. Moreover, bacterial virulence factors and signaling molecules are typically not addressed in current cell culture models. Here, we describe a reproducible protocol for cultivating barrier-forming human bronchial epithelial cell monolayers on Transwell inserts and infecting them with microclusters of pre-grown mature Pseudomonas aeruginosa PAO1 biofilms under the air-liquid interface conditions. Bacterial growth and quorum sensing molecules were determined upon tobramycin treatment. The host cell response was simultaneously assessed through cell viability, epithelial barrier function, and cytokine release. By repeated deposition of aerosolized tobramycin after 1, 24, and 48 h, bacterial growth was controlled (reduction from 10 to 4 log10 CFU/mL), which leads to epithelial cell survival for up to 72 h. E-cadherin's cell-cell adhesion protein expression was preserved with the consecutive treatment, and quorum sensing molecules were reduced. However, the bacteria could not be eradicated and epithelial barrier function was impaired, similar to the currently observed situation in the clinic in lack of more efficient anti-infective therapies. Such a human-based in vitro approach has the potential for the preclinical development of novel anti-infectives and nanoscale delivery systems for oral inhalation.
Collapse
Affiliation(s)
- Justus C. Horstmann
- Department of Drug Delivery, Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), 66123 Saarbrücken, Germany
- Department of Pharmacy, Saarland University, 66123 Saarbrücken, Germany
| | - Annabelle Laric
- Center for Molecular Signaling, Saarland University, Kirrbergerstr./Geb. 46, 66421 Homburg, Germany
| | - Annette Boese
- Department of Drug Delivery, Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), 66123 Saarbrücken, Germany
| | - Daniela Yildiz
- Center for Molecular Signaling, Saarland University, Kirrbergerstr./Geb. 46, 66421 Homburg, Germany
| | - Teresa Röhrig
- Department of Drug Design and Optimization (DDOP), Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), 66123 Saarbrücken, Germany
| | - Martin Empting
- Department of Drug Design and Optimization (DDOP), Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), 66123 Saarbrücken, Germany
| | - Nicolas Frank
- Department of Microbial Natural Products (MINS), Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), 66123 Saarbrücken, Germany
| | - Daniel Krug
- Department of Microbial Natural Products (MINS), Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), 66123 Saarbrücken, Germany
| | - Rolf Müller
- Department of Microbial Natural Products (MINS), Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), 66123 Saarbrücken, Germany
| | - Nicole Schneider-Daum
- Department of Drug Delivery, Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), 66123 Saarbrücken, Germany
| | | | - Claus-Michael Lehr
- Department of Drug Delivery, Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), 66123 Saarbrücken, Germany
- Department of Pharmacy, Saarland University, 66123 Saarbrücken, Germany
| |
Collapse
|
27
|
Liu J, Hou JS, Chang YQ, Peng LJ, Zhang XY, Miao ZY, Sun PH, Lin J, Chen WM. New Pqs Quorum Sensing System Inhibitor as an Antibacterial Synergist against Multidrug-Resistant Pseudomonas aeruginosa. J Med Chem 2021; 65:688-709. [PMID: 34951310 DOI: 10.1021/acs.jmedchem.1c01781] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Development of new bacterial biofilm inhibitors as antibacterial synergists is an effective strategy to solve the resistance of Pseudomonas aeruginosa. In this paper, a series of 3-hydroxy-pyridin-4(1H)-ones were synthesized and evaluated, and the hit compound (20p) was identified with the effects of inhibiting the production of pyocyanin (IC50 = 8.6 μM) and biofilm formation (IC50 = 4.5 μM). Mechanistic studies confirmed that 20p inhibits the formation of bacterial biofilm by inhibiting the expression of pqsA, blocking pqs quorum sensing system quinolone biosynthesis. Moreover, we systematically investigated the bactericidal effects of combining currently approved antibiotics for CF including tobramycin, ciprofloxacin, and colistin E with 20p, which showed obvious antibacterial synergy to overcome antibiotics resistance in multidrug-resistant P. aeruginosa biofilms. The result indicates that compound 20p may be used in the future as a potentially novel antibacterial synergist candidate for the treatment of P. aeruginosa infections.
Collapse
Affiliation(s)
- Jun Liu
- College of Pharmacy, Jinan University, Guangzhou 510632, P. R. China
| | - Jin-Song Hou
- College of Pharmacy, Jinan University, Guangzhou 510632, P. R. China
| | - Yi-Qun Chang
- Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2006, Australia
| | - Li-Jun Peng
- College of Pharmacy, Jinan University, Guangzhou 510632, P. R. China
| | - Xiao-Yi Zhang
- College of Pharmacy, Jinan University, Guangzhou 510632, P. R. China
| | - Zhi-Ying Miao
- College of Pharmacy, Jinan University, Guangzhou 510632, P. R. China
| | - Ping-Hua Sun
- College of Pharmacy, Jinan University, Guangzhou 510632, P. R. China
| | - Jing Lin
- College of Pharmacy, Jinan University, Guangzhou 510632, P. R. China
| | - Wei-Min Chen
- College of Pharmacy, Jinan University, Guangzhou 510632, P. R. China
| |
Collapse
|
28
|
Rahman F, Wushur I, Malla N, Åstrand OAH, Rongved P, Winberg JO, Sylte I. Zinc-Chelating Compounds as Inhibitors of Human and Bacterial Zinc Metalloproteases. Molecules 2021; 27:molecules27010056. [PMID: 35011288 PMCID: PMC8746695 DOI: 10.3390/molecules27010056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 12/17/2021] [Accepted: 12/20/2021] [Indexed: 11/16/2022] Open
Abstract
Inhibition of bacterial virulence is believed to be a new treatment option for bacterial infections. In the present study, we tested dipicolylamine (DPA), tripicolylamine (TPA), tris pyridine ethylene diamine (TPED), pyridine and thiophene derivatives as putative inhibitors of the bacterial virulence factors thermolysin (TLN), pseudolysin (PLN) and aureolysin (ALN) and the human zinc metalloproteases, matrix metalloprotease-9 (MMP-9) and matrix metalloprotease-14 (MMP-14). These compounds have nitrogen or sulfur as putative donor atoms for zinc chelation. In general, the compounds showed stronger inhibition of MMP-14 and PLN than of the other enzymes, with Ki values in the lower μM range. Except for DPA, none of the compounds showed significantly stronger inhibition of the virulence factors than of the human zinc metalloproteases. TPA and Zn230 were the only compounds that inhibited all five zinc metalloproteinases with a Ki value in the lower μM range. The thiophene compounds gave weak or no inhibition. Docking indicated that some of the compounds coordinated zinc by one oxygen atom from a hydroxyl or carbonyl group, or by oxygen atoms both from a hydroxyl group and a carbonyl group, and not by pyridine nitrogen as in DPA and TPA.
Collapse
Affiliation(s)
- Fatema Rahman
- Molecular Pharmacology and Toxicology, Department of Medical Biology, Faculty of Health Sciences, UiT—The Arctic University of Norway, NO-9037 Tromsø, Norway; (F.R.); (I.W.); (N.M.); (J.-O.W.)
| | - Imin Wushur
- Molecular Pharmacology and Toxicology, Department of Medical Biology, Faculty of Health Sciences, UiT—The Arctic University of Norway, NO-9037 Tromsø, Norway; (F.R.); (I.W.); (N.M.); (J.-O.W.)
| | - Nabin Malla
- Molecular Pharmacology and Toxicology, Department of Medical Biology, Faculty of Health Sciences, UiT—The Arctic University of Norway, NO-9037 Tromsø, Norway; (F.R.); (I.W.); (N.M.); (J.-O.W.)
| | - Ove Alexander Høgmoen Åstrand
- Department of Pharmaceutical Chemistry, School of Pharmacy, University of Oslo, NO-0316 Oslo, Norway; (O.A.H.Å.); (P.R.)
| | - Pål Rongved
- Department of Pharmaceutical Chemistry, School of Pharmacy, University of Oslo, NO-0316 Oslo, Norway; (O.A.H.Å.); (P.R.)
| | - Jan-Olof Winberg
- Molecular Pharmacology and Toxicology, Department of Medical Biology, Faculty of Health Sciences, UiT—The Arctic University of Norway, NO-9037 Tromsø, Norway; (F.R.); (I.W.); (N.M.); (J.-O.W.)
| | - Ingebrigt Sylte
- Molecular Pharmacology and Toxicology, Department of Medical Biology, Faculty of Health Sciences, UiT—The Arctic University of Norway, NO-9037 Tromsø, Norway; (F.R.); (I.W.); (N.M.); (J.-O.W.)
- Correspondence: ; Tel.: +47-7764-4705
| |
Collapse
|
29
|
Miethke M, Pieroni M, Weber T, Brönstrup M, Hammann P, Halby L, Arimondo PB, Glaser P, Aigle B, Bode HB, Moreira R, Li Y, Luzhetskyy A, Medema MH, Pernodet JL, Stadler M, Tormo JR, Genilloud O, Truman AW, Weissman KJ, Takano E, Sabatini S, Stegmann E, Brötz-Oesterhelt H, Wohlleben W, Seemann M, Empting M, Hirsch AKH, Loretz B, Lehr CM, Titz A, Herrmann J, Jaeger T, Alt S, Hesterkamp T, Winterhalter M, Schiefer A, Pfarr K, Hoerauf A, Graz H, Graz M, Lindvall M, Ramurthy S, Karlén A, van Dongen M, Petkovic H, Keller A, Peyrane F, Donadio S, Fraisse L, Piddock LJV, Gilbert IH, Moser HE, Müller R. Towards the sustainable discovery and development of new antibiotics. Nat Rev Chem 2021; 5:726-749. [PMID: 37118182 PMCID: PMC8374425 DOI: 10.1038/s41570-021-00313-1] [Citation(s) in RCA: 369] [Impact Index Per Article: 123.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/01/2021] [Indexed: 02/08/2023]
Abstract
An ever-increasing demand for novel antimicrobials to treat life-threatening infections caused by the global spread of multidrug-resistant bacterial pathogens stands in stark contrast to the current level of investment in their development, particularly in the fields of natural-product-derived and synthetic small molecules. New agents displaying innovative chemistry and modes of action are desperately needed worldwide to tackle the public health menace posed by antimicrobial resistance. Here, our consortium presents a strategic blueprint to substantially improve our ability to discover and develop new antibiotics. We propose both short-term and long-term solutions to overcome the most urgent limitations in the various sectors of research and funding, aiming to bridge the gap between academic, industrial and political stakeholders, and to unite interdisciplinary expertise in order to efficiently fuel the translational pipeline for the benefit of future generations. ![]()
Antimicrobial resistance is an increasing threat to public health and encouraging the development of new antimicrobials is one of the most important ways to address the problem. This Roadmap article aims to bring together industrial, academic and political partners, and proposes both short-term and long-term solutions to this challenge.
Collapse
Affiliation(s)
- Marcus Miethke
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS) - Helmholtz Centre for Infection Research (HZI), and Department of Pharmacy, Saarland University Campus E8.1, Saarbrücken, Germany.,German Center for Infection Research (DZIF), Braunschweig, Germany
| | - Marco Pieroni
- Food and Drug Department, University of Parma, Parma, Italy
| | - Tilmann Weber
- The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Lyngby, Denmark
| | - Mark Brönstrup
- German Center for Infection Research (DZIF), Braunschweig, Germany.,Department of Chemical Biology (CBIO), Helmholtz Centre for Infection Research (HZI), Braunschweig, Germany
| | - Peter Hammann
- Infectious Diseases & Natural Product Research at EVOTEC, and Justus Liebig University Giessen, Giessen, Germany
| | - Ludovic Halby
- Epigenetic Chemical Biology, Department of Structural Biology and Chemistry, Institut Pasteur, UMR n°3523, CNRS, Paris, France
| | - Paola B Arimondo
- Epigenetic Chemical Biology, Department of Structural Biology and Chemistry, Institut Pasteur, UMR n°3523, CNRS, Paris, France
| | - Philippe Glaser
- Ecology and Evolution of Antibiotic Resistance Unit, Microbiology Department, Institut Pasteur, CNRS UMR3525, Paris, France
| | | | - Helge B Bode
- Department of Biosciences, Goethe University Frankfurt, Frankfurt, Germany.,Max Planck Institute for Terrestrial Microbiology, Department of Natural Products in Organismic Interactions, Marburg, Germany
| | - Rui Moreira
- Faculty of Pharmacy, University of Lisbon, Lisbon, Portugal
| | - Yanyan Li
- Unit MCAM, CNRS, National Museum of Natural History (MNHN), Paris, France
| | - Andriy Luzhetskyy
- Pharmaceutical Biotechnology, Saarland University, Saarbrücken, Germany
| | - Marnix H Medema
- Bioinformatics Group, Wageningen University and Research, Wageningen, Netherlands
| | - Jean-Luc Pernodet
- Institute for Integrative Biology of the Cell (I2BC) & Microbiology Department, University of Paris-Saclay, Gif-sur-Yvette, France
| | - Marc Stadler
- German Center for Infection Research (DZIF), Braunschweig, Germany.,Microbial Drugs (MWIS), Helmholtz Centre for Infection Research (HZI), Braunschweig, Germany
| | | | | | - Andrew W Truman
- Department of Molecular Microbiology, John Innes Centre, Norwich, United Kingdom
| | - Kira J Weissman
- Molecular and Structural Enzymology Group, Université de Lorraine, CNRS, IMoPA, Nancy, France
| | - Eriko Takano
- Manchester Institute of Biotechnology, Department of Chemistry, School of Natural Sciences, Faculty of Science and Engineering, University of Manchester, Manchester, United Kingdom
| | - Stefano Sabatini
- Department of Pharmaceutical Sciences, University of Perugia, Perugia, Italy
| | - Evi Stegmann
- German Center for Infection Research (DZIF), Braunschweig, Germany.,Department of Microbial Bioactive Compounds, Interfaculty Institute of Microbiology and Infection Medicine, University of Tübingen, Tübingen, Germany
| | - Heike Brötz-Oesterhelt
- German Center for Infection Research (DZIF), Braunschweig, Germany.,Department of Microbial Bioactive Compounds, Interfaculty Institute of Microbiology and Infection Medicine, University of Tübingen, Tübingen, Germany
| | - Wolfgang Wohlleben
- German Center for Infection Research (DZIF), Braunschweig, Germany.,Department of Microbiology/Biotechnology, Interfaculty Institute of Microbiology and Infection Medicine, University of Tübingen, Tübingen, Germany
| | - Myriam Seemann
- Institute for Chemistry UMR 7177, University of Strasbourg/CNRS, ITI InnoVec, Strasbourg, France
| | - Martin Empting
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS) - Helmholtz Centre for Infection Research (HZI), and Department of Pharmacy, Saarland University Campus E8.1, Saarbrücken, Germany.,German Center for Infection Research (DZIF), Braunschweig, Germany
| | - Anna K H Hirsch
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS) - Helmholtz Centre for Infection Research (HZI), and Department of Pharmacy, Saarland University Campus E8.1, Saarbrücken, Germany.,German Center for Infection Research (DZIF), Braunschweig, Germany
| | - Brigitta Loretz
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS) - Helmholtz Centre for Infection Research (HZI), and Department of Pharmacy, Saarland University Campus E8.1, Saarbrücken, Germany
| | - Claus-Michael Lehr
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS) - Helmholtz Centre for Infection Research (HZI), and Department of Pharmacy, Saarland University Campus E8.1, Saarbrücken, Germany
| | - Alexander Titz
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS) - Helmholtz Centre for Infection Research (HZI), and Department of Pharmacy, Saarland University Campus E8.1, Saarbrücken, Germany.,German Center for Infection Research (DZIF), Braunschweig, Germany
| | - Jennifer Herrmann
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS) - Helmholtz Centre for Infection Research (HZI), and Department of Pharmacy, Saarland University Campus E8.1, Saarbrücken, Germany.,German Center for Infection Research (DZIF), Braunschweig, Germany
| | - Timo Jaeger
- German Center for Infection Research (DZIF), Braunschweig, Germany
| | - Silke Alt
- German Center for Infection Research (DZIF), Braunschweig, Germany
| | | | | | - Andrea Schiefer
- German Center for Infection Research (DZIF), Braunschweig, Germany.,Institute of Medical Microbiology, Immunology and Parasitology (IMMIP), University Hospital Bonn, Bonn, Germany
| | - Kenneth Pfarr
- German Center for Infection Research (DZIF), Braunschweig, Germany.,Institute of Medical Microbiology, Immunology and Parasitology (IMMIP), University Hospital Bonn, Bonn, Germany
| | - Achim Hoerauf
- German Center for Infection Research (DZIF), Braunschweig, Germany.,Institute of Medical Microbiology, Immunology and Parasitology (IMMIP), University Hospital Bonn, Bonn, Germany
| | - Heather Graz
- Biophys Ltd., Usk, Monmouthshire, United Kingdom
| | - Michael Graz
- School of Law, University of Bristol, Bristol, United Kingdom
| | | | | | - Anders Karlén
- Department of Medicinal Chemistry, Uppsala University, Uppsala, Sweden
| | | | - Hrvoje Petkovic
- Department of Food Science and Technology, Biotechnical Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Andreas Keller
- Chair for Clinical Bioinformatics, Saarland University, University Hospital, Saarbrücken, Germany
| | | | | | - Laurent Fraisse
- Drugs for Neglected Diseases initiative (DNDi), Geneva, Switzerland
| | - Laura J V Piddock
- The Global Antibiotic Research and Development Partnership (GARDP), Geneva, Switzerland
| | - Ian H Gilbert
- Division of Biological Chemistry and Drug Discovery, University of Dundee, Dundee, United Kingdom
| | - Heinz E Moser
- Novartis Institutes for BioMedical Research (NIBR), Emeryville, CA USA
| | - Rolf Müller
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS) - Helmholtz Centre for Infection Research (HZI), and Department of Pharmacy, Saarland University Campus E8.1, Saarbrücken, Germany.,German Center for Infection Research (DZIF), Braunschweig, Germany
| |
Collapse
|
30
|
Liu X, Wang W, Li J, Li Y, Zhang J, Tan H. A widespread response of Gram-negative bacterial acyl-homoserine lactone receptors to Gram-positive Streptomyces γ-butyrolactone signaling molecules. SCIENCE CHINA-LIFE SCIENCES 2021; 64:1575-1589. [PMID: 34319534 DOI: 10.1007/s11427-021-1956-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Accepted: 05/25/2021] [Indexed: 11/26/2022]
Abstract
Cell-cell communication is critical for bacterial survival in natural habitats, in which miscellaneous regulatory networks are encompassed. However, elucidating the interaction networks of a microbial community has been hindered by the population complexity. This study reveals that γ-butyrolactone (GBL) molecules from Streptomyces species, the major antibiotic producers, can directly bind to the acyl-homoserine lactone (AHL) receptor of Chromobacterium violaceum and influence violacein production controlled by the quorum sensing (QS) system. Subsequently, the widespread responses of more Gram-negative bacterial AHL receptors to Gram-positive Streptomyces signaling molecules are unveiled. Based on the cross-talk between GBL and AHL signaling systems, combinatorial regulatory circuits (CRC) are designed and proved to be workable in Escherichia coli (E. coli). It is significant that the QS systems of Gram-positive and Gram-negative bacteria can be bridged via native Streptomyces signaling molecules. These findings pave a new path for unlocking the comprehensive cell-cell communications in microbial communities and facilitate the exploitation of innovative regulatory elements for synthetic biology.
Collapse
Affiliation(s)
- Xiang Liu
- State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Wenxi Wang
- State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Junyue Li
- State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yue Li
- State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Jihui Zhang
- State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China.
| | - Huarong Tan
- State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China.
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China.
| |
Collapse
|