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Supuran CT. Fighting antibacterial drug resistance. Expert Opin Ther Pat 2024; 34:397-400. [PMID: 38866729 DOI: 10.1080/13543776.2024.2367940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2024] [Accepted: 06/12/2024] [Indexed: 06/14/2024]
Affiliation(s)
- Claudiu T Supuran
- Neurofarba Department, Pharmaceutical and Nutraceutical Section, University of Florence, Sesto Fiorentino, Italy
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Puca V, Marinacci B, Pellegrini B, Campanile F, Santagati M, Grande R. Biofilm and bacterial membrane vesicles: recent advances. Expert Opin Ther Pat 2024; 34:475-491. [PMID: 38578180 DOI: 10.1080/13543776.2024.2338101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 03/21/2024] [Indexed: 04/06/2024]
Abstract
INTRODUCTION Bacterial Membrane Vesicles (MVs) play important roles in cell-to-cell communication and transport of several molecules. Such structures are essential components of Extracellular Polymeric Substances (EPS) biofilm matrix of many bacterial species displaying a structural function and a role in virulence and pathogenesis. AREAS COVERED In this review were included original articles from the last ten years by searching the keywords 'biofilm' and 'vesicles' on PUBMED and Scopus databases. The articles available in literature mainly describe a positive correlation between bacterial MVs and biofilms formation. The research on Espacenet and Google Patent databases underlines the available patents related to the application of both biofilm MVs and planktonic MVs in inhibiting biofilm formation. EXPERT OPINION This review covers and analyzes recent advances in the study of the relationship between bacterial vesicles and biofilm. The huge number of papers discussing the role of MVs confirms the interest aimed at developing new applications in the medical field. The study of the MVs composition and biogenesis may contribute to the identification of components which could be (i) the target for the development of new drugs inhibiting the biofilm establishment; (ii) candidates for the development of vaccines; (iii) biomarkers for the diagnosis of bacterial infections.
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Affiliation(s)
- Valentina Puca
- Department of Pharmacy, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
| | - Beatrice Marinacci
- Department of Pharmacy, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
- Department of Innovative Technologies in Medicine & Dentistry, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
| | - Benedetta Pellegrini
- Department of Pharmacy, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
| | - Floriana Campanile
- Department of Biomedical and Biotechnological Sciences (BIOMETEC) - Microbiology Section, University of Catania, Catania, Italy
| | - Maria Santagati
- Department of Biomedical and Biotechnological Sciences (BIOMETEC) - Microbiology Section, University of Catania, Catania, Italy
| | - Rossella Grande
- Department of Pharmacy, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
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Supuran CT. Novel carbonic anhydrase inhibitors for the treatment of Helicobacter pylori infection. Expert Opin Investig Drugs 2024; 33:523-532. [PMID: 38517734 DOI: 10.1080/13543784.2024.2334714] [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: 01/05/2024] [Accepted: 03/21/2024] [Indexed: 03/24/2024]
Abstract
INTRODUCTION Helicobacter pylori, the causative agent of peptic ulcer, gastritis, and gastric cancer encodes two carbonic anhydrases (CA, EC 4.2.1.1) belonging to the α- and β-class (HpCAα/β), which have been validated as antibacterial drug targets. Acetazolamide and ethoxzolamide were also clinically used for the management of peptic ulcer. AREAS COVERED Sulfonamides were the most investigated HpCAα/β compounds, with several low nanomolar inhibitors identified, some of which also crystallized as adducts with HpCAα, allowing for the rationalization of the structure-activity relationship. Few data are available for other classes of inhibitors, such as phenols, sulfamides, sulfamates, dithiocarbamates, arylboronic acids, some of which showed effective in vitro inhibition and for phenols, also inhibition of planktonic growth, biofilm formation, and outer membrane vesicles spawning. EXPERT OPINION Several recent drug design studies reported selenazoles incorporating seleno/telluro-ethers attached to benzenesulfonamides, hybrids incorporating the EGFR inhibitor erlotinib and benzenesulfonamides, showing KIs < 100 nM against HpCAα and MICs in the range of 8-16 µg/mL for the most active derivatives. Few drug design studies for non-sulfonamide inhibitors were performed to date, although inhibition of these enzymes may help the fight of multidrug resistance to classical antibiotics which emerged in the last decades also for this bacterium.
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Affiliation(s)
- Claudiu T Supuran
- Neurofarba Department, Pharmaceutical and Nutraceutical Section, University of Florence, Sesto Fiorentino, Italy
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Huang TT, Liu YN, Huang JX, Yan PP, Wang JJ, Cao YX, Cao L. Sodium sulfite-driven Helicobacter pylori eradication: Unraveling oxygen dynamics through multi-omics investigation. Biochem Pharmacol 2024; 222:116055. [PMID: 38354959 DOI: 10.1016/j.bcp.2024.116055] [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: 12/21/2023] [Revised: 01/05/2024] [Accepted: 02/09/2024] [Indexed: 02/16/2024]
Abstract
Due to the emergence and spread of multidrug resistance in Helicobacter pylori (H. pylori), its eradication has become difficult. Sodium sulfite (SS), a widely used food additive for ensuring food safety and storage, has been recognized as an effective nonbactericidal agent for H. pylori eradication. However, the mechanism by which H. pylori adapts and eventually succumbs under low- or no-oxygen conditions remains unknown. In this study, we aimed to evaluate the anti-H. pylori effect of SS and investigated the multiomics mechanism by which SS kills H. pylori. The results demonstrated that SS effectively eradicated H. pylori both in vitro and in vivo. H. pylori responds to the oxygen changes regulated by SS, downregulates the HcpE gene, which is responsible for redox homeostasis in bacteria, decreases the activities of enzymes related to oxidative stress, and disrupts the outer membrane structure, increasing susceptibility to oxidative stress. Furthermore, SS downregulates the content of cytochrome C in the microaerobic respiratory chain, leading to a sharp decrease in ATP synthesis. Consequently, the accumulation of triglycerides (TGs) in bacteria due to oxidative stress supports anaerobic respiration, meeting their energy requirements. The multifaceted death of H. pylori caused by SS does not result in drug resistance. Thus, screening of the redox homeostasis of HcpE as a new target for H. pylori infection treatment could lead to the development of a novel approach for H. pylori eradication therapy.
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Affiliation(s)
- Ting-Ting Huang
- Department of Pharmacology, School of Basic Medical Science, Xi'an Jiaotong University Health Science Center, Xi'an 710061, Shaanxi, China
| | - Yan-Ni Liu
- Department of Pharmacology, School of Basic Medical Science, Xi'an Jiaotong University Health Science Center, Xi'an 710061, Shaanxi, China
| | - Jin-Xian Huang
- Software Department, East China University of Technology, Nanchang 330032, Jiangxi, China
| | - Ping-Ping Yan
- Department of Pharmacology, School of Basic Medical Science, Xi'an Jiaotong University Health Science Center, Xi'an 710061, Shaanxi, China
| | - Ji-Jing Wang
- Department of Medical Biophysics and Biochemistry, Karolinska Institutet, 17177 Stockholm, Sweden
| | - Yong-Xiao Cao
- Department of Pharmacology, School of Basic Medical Science, Xi'an Jiaotong University Health Science Center, Xi'an 710061, Shaanxi, China.
| | - Lei Cao
- Precision Medical Institute, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, Shaanxi, China.
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Benito G, D'Agostino I, Carradori S, Fantacuzzi M, Agamennone M, Puca V, Grande R, Capasso C, Carta F, Supuran CT. Erlotinib-containing benzenesulfonamides as anti- Helicobacter pylori agents through carbonic anhydrase inhibition. Future Med Chem 2023; 15:1865-1883. [PMID: 37886837 DOI: 10.4155/fmc-2023-0208] [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] [Indexed: 10/28/2023] Open
Abstract
Aim: Development of dual-acting antibacterial agents containing Erlotinib, a recognized EGFR inhibitor used as an anticancer agent, with differently spaced benzenesulfonamide moieties known to bind and inhibit Helicobacter pylori carbonic anhydrase (HpCA) or the antiviral Zidovudine. Methods & materials: Through rational design, ten derivatives were obtained via a straightforward synthesis including a click chemistry reaction. Inhibitory activity against a panel of pathogenic carbonic anhydrases and antibacterial susceptibility of H. pylori ATCC 43504 were assessed. Docking studies on α-carbonic anhydrase enzymes and EGFR were conducted to gain insight into the binding mode of these compounds. Results & conclusion: Some compounds proved to be strong inhibitors of HpCA and showed good anti-H. pylori activity. Computational studies on the targeted enzymes shed light on the interaction hotspots.
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Affiliation(s)
- Germán Benito
- Neurofarba Department, University of Florence, Sesto Fiorentino, Florence, 50019, Italy
| | | | - Simone Carradori
- Department of Pharmacy, 'G. d'Annunzio' University of Chieti - Pescara, Chieti, 66100, Italy
| | - Marialuigia Fantacuzzi
- Department of Pharmacy, 'G. d'Annunzio' University of Chieti - Pescara, Chieti, 66100, Italy
| | - Mariangela Agamennone
- Department of Pharmacy, 'G. d'Annunzio' University of Chieti - Pescara, Chieti, 66100, Italy
| | - Valentina Puca
- Department of Pharmacy, 'G. d'Annunzio' University of Chieti - Pescara, Chieti, 66100, Italy
| | - Rossella Grande
- Department of Pharmacy, 'G. d'Annunzio' University of Chieti - Pescara, Chieti, 66100, Italy
- Center for Advanced Studies & Technology, 'G. d'Annunzio' University of Chieti - Pescara, Chieti, 66100, Italy
| | - Clemente Capasso
- Department of Biology, Agriculture & Food Sciences, National Research Council, Institute of Biosciences & Bioresources, Naples, 80131, Italy
| | - Fabrizio Carta
- Neurofarba Department, University of Florence, Sesto Fiorentino, Florence, 50019, Italy
| | - Claudiu T Supuran
- Neurofarba Department, University of Florence, Sesto Fiorentino, Florence, 50019, Italy
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Supuran CT. An overview of novel antimicrobial carbonic anhydrase inhibitors. Expert Opin Ther Targets 2023; 27:897-910. [PMID: 37747071 DOI: 10.1080/14728222.2023.2263914] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Accepted: 09/24/2023] [Indexed: 09/26/2023]
Abstract
INTRODUCTION Four different genetic families of the enzyme carbonic anhydrase (CA, EC 4.2.1.1) are present in bacteria, α-, β-, γ- and ι-CAs. They play relevant functions related to CO2, HCO3-/H+ ions homeostasis, being involved in metabolic biosynthetic pathways, pH regulation, and represent virulence and survival factors for bacteria in various niches. Bacterial CAs started to be considered druggable targets in the last decade, as their inhibition impairs survival, growth, and virulence of these pathogens. AREAS COVERED Significant advances were registered in the last years for designing effective inhibitors of sulfonamide type for Helicobacter pylori α-CA, Neisseria gonorrhoeae α-CA, vacomycin-resistant enterococci (VRE) α- and γ-CAs, for which the in vivo validation has also been achieved. MIC-s in the range of 0.25-4.0 µg/mL for wild type and drug resistant N. gonorrhoeae strains, and of 0.007-2.0 µg/mL for VRE were observed for some 1,3,4-thiadiazole-2-sulfonamides, and acetazolamide was effective in gut decolonization from VRE. EXPERT OPINION Targeting bacterial CAs from other pathogens, among which Vibrio cholerae, Mycobacterium tuberculosis, Brucella suis, Salmonella enterica serovar Typhimurium, Legionella pneumophila, Porphyromonas gingivalis, Clostridium perfringens, Streptococcus mutans, Burkholderia pseudomallei, Francisella tularensis, Escherichia coli, Mammaliicoccus (Staphylococcus) sciuri, Pseudomonas aeruginosa, may lead to novel antibacterials devoid of drug resistance problems.
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Affiliation(s)
- Claudiu T Supuran
- Department of NEUROFARBA, Pharmaceutical and Nutraceutical Section, University of Florence, Sesto Fiorentino, Firenze, Italy
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Carradori S, Angeli A, Sfragano PS, Yzeiri X, Calamante M, Tanini D, Capperucci A, Kunstek H, Varbanov M, Capasso C, Supuran CT. Photoactivatable Heptamethine-Based Carbonic Anhydrase Inhibitors Leading to New Anti-Antibacterial Agents. Int J Mol Sci 2023; 24:ijms24119610. [PMID: 37298561 DOI: 10.3390/ijms24119610] [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: 03/20/2023] [Revised: 05/26/2023] [Accepted: 05/29/2023] [Indexed: 06/12/2023] Open
Abstract
With the aim to propose innovative antimicrobial agents able to not only selectively inhibit bacterial carbonic anhydrases (CAs) but also to be photoactivated by specific wavelengths, new heptamethine-based compounds decorated with a sulfonamide moiety were synthesized by means of different spacers. The compounds displayed potent CA inhibition and a slight preference for bacterial isoforms. Furthermore, minimal inhibitory and bactericidal concentrations and the cytotoxicity of the compounds were assessed, thus highlighting a promising effect under irradiation against S. epidermidis. The hemolysis activity test showed that these derivatives were not cytotoxic to human red blood cells, further corroborating their favorable selectivity index. This approach led to the discovery of a valuable scaffold for further investigations.
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Affiliation(s)
- Simone Carradori
- Department of Pharmacy, "G. d'Annunzio" University of Chieti-Pescara, 66100 Chieti, Italy
| | - Andrea Angeli
- Neurofarba Department, Sezione di Scienze Farmaceutiche, University of Florence, Via Ugo Schiff 6, Sesto Fiorentino, 50019 Florence, Italy
| | - Patrick S Sfragano
- Department of Chemistry "Ugo Schiff", University of Florence, Via Della Lastruccia 3-13, 50019 Sesto Fiorentino, Italy
| | - Xheila Yzeiri
- Department of Chemistry "Ugo Schiff", University of Florence, Via Della Lastruccia 3-13, 50019 Sesto Fiorentino, Italy
- CNR-Institute of Chemistry of Organometallic Compounds (CNR-ICCOM), Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, 53100 Siena, Italy
| | - Massimo Calamante
- Department of Chemistry "Ugo Schiff", University of Florence, Via Della Lastruccia 3-13, 50019 Sesto Fiorentino, Italy
- CNR-Institute of Chemistry of Organometallic Compounds (CNR-ICCOM), Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy
| | - Damiano Tanini
- Department of Chemistry "Ugo Schiff", University of Florence, Via Della Lastruccia 3-13, 50019 Sesto Fiorentino, Italy
| | - Antonella Capperucci
- Department of Chemistry "Ugo Schiff", University of Florence, Via Della Lastruccia 3-13, 50019 Sesto Fiorentino, Italy
| | - Hannah Kunstek
- Institute of Molecular Biotechnology, Graz University of Technology, 8010 Graz, Austria
- L2CM, Centre National de la Recherche Scientifique (CNRS), Université de Lorraine, 54000 Nancy, France
| | - Mihayl Varbanov
- L2CM, Centre National de la Recherche Scientifique (CNRS), Université de Lorraine, 54000 Nancy, France
- Laboratoire de Virologie, Centres Hospitaliers Régionaux Universitaires (CHRU) de Nancy Brabois, 54500 Vandœuvre-lès-Nancy, France
| | - Clemente Capasso
- Department of Biology, Agriculture and Food Sciences, National Research Council (CNR), Institute of Biosciences and Bioresources, 80131 Naples, Italy
| | - Claudiu T Supuran
- Neurofarba Department, Sezione di Scienze Farmaceutiche, University of Florence, Via Ugo Schiff 6, Sesto Fiorentino, 50019 Florence, Italy
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