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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 2024:1-17. [PMID: 38578180 DOI: 10.1080/13543776.2024.2338101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [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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Franciotti R, Pignatelli P, D’Antonio DL, Mancinelli R, Fulle S, De Rosa MA, Puca V, Piattelli A, Thomas AM, Onofrj M, Sensi SL, Curia MC. The Immune System Response to Porphyromonas gingivalis in Neurological Diseases. Microorganisms 2023; 11:2555. [PMID: 37894213 PMCID: PMC10609495 DOI: 10.3390/microorganisms11102555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 10/03/2023] [Accepted: 10/10/2023] [Indexed: 10/29/2023] Open
Abstract
Previous studies have reported an association between oral microbial dysbiosis and the development and progression of pathologies in the central nervous system. Porphyromonas gingivalis (Pg), the keystone pathogen of the oral cavity, can induce a systemic antibody response measured in patients' sera using enzyme-linked immunosorbent assays. The present case-control study quantified the immune system's response to Pg abundance in the oral cavities of patients affected by different central nervous system pathologies. The study cohort included 87 participants: 23 healthy controls (HC), 17 patients with an acute neurological condition (N-AC), 19 patients with a chronic neurological condition (N-CH), and 28 patients with neurodegenerative disease (N-DEG). The results showed that the Pg abundance in the oral cavity was higher in the N-DEG patients than in the HC (p = 0.0001) and N-AC patients (p = 0.01). In addition, the Pg abundance was higher in the N-CH patients than the HCs (p = 0.005). Only the N-CH patients had more serum anti-Pg antibodies than the HC (p = 0.012). The inadequate response of the immune system of the N-DEG group in producing anti-Pg antibodies was also clearly indicated by an analysis of the ratio between the anti-Pg antibodies quantity and the Pg abundance. Indeed, this ratio was significantly lower between the N-DEG group than all other groups (p = 0.0001, p = 0.002, and p = 0.03 for HC, N-AC, and N-CH, respectively). The immune system's response to Pg abundance in the oral cavity showed a stepwise model: the response diminished progressively from the patients affected with an acute condition to the patients suffering from chronic nervous system disorders and finally to the patients affected by neurodegenerative diseases.
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Affiliation(s)
- Raffaella Franciotti
- Department of Neuroscience, Imaging and Clinical Science, G. d’Annunzio University of Chieti-Pescara, 66100 Chieti, Italy; (R.M.); (S.F.); (M.A.D.R.); (A.M.T.); (M.O.); (S.L.S.)
| | - Pamela Pignatelli
- COMDINAV DUE, Nave Cavour, Italian Navy, Stazione Navale Mar Grande, Viale Jonio, 74122 Taranto, Italy;
| | - Domenica Lucia D’Antonio
- Department of Medical, Oral and Biotechnological Sciences, G. d’Annunzio University of Chieti-Pescara, 66100 Chieti, Italy; (D.L.D.); (M.C.C.)
- Fondazione Villaserena per la Ricerca, 65013 Città Sant’Angelo, Pescara, Italy
| | - Rosa Mancinelli
- Department of Neuroscience, Imaging and Clinical Science, G. d’Annunzio University of Chieti-Pescara, 66100 Chieti, Italy; (R.M.); (S.F.); (M.A.D.R.); (A.M.T.); (M.O.); (S.L.S.)
| | - Stefania Fulle
- Department of Neuroscience, Imaging and Clinical Science, G. d’Annunzio University of Chieti-Pescara, 66100 Chieti, Italy; (R.M.); (S.F.); (M.A.D.R.); (A.M.T.); (M.O.); (S.L.S.)
| | - Matteo Alessandro De Rosa
- Department of Neuroscience, Imaging and Clinical Science, G. d’Annunzio University of Chieti-Pescara, 66100 Chieti, Italy; (R.M.); (S.F.); (M.A.D.R.); (A.M.T.); (M.O.); (S.L.S.)
- Center for Advanced Studies and Technology (CAST), G. d’Annunzio University of Chieti-Pescara, 66100 Chieti, Italy
| | - Valentina Puca
- Department of Pharmacy, G. d’Annunzio University of Chieti-Pescara, 66100 Chieti, Italy;
| | - Adriano Piattelli
- School of Dentistry, Saint Camillus International University for Health Sciences, 00131 Rome, Italy;
- Facultad de Medicina, UCAM Universidad Católica San Antonio de Murcia, Guadalupe, 30107 Murcia, Spain
| | - Astrid Maria Thomas
- Department of Neuroscience, Imaging and Clinical Science, G. d’Annunzio University of Chieti-Pescara, 66100 Chieti, Italy; (R.M.); (S.F.); (M.A.D.R.); (A.M.T.); (M.O.); (S.L.S.)
- Center for Advanced Studies and Technology (CAST), G. d’Annunzio University of Chieti-Pescara, 66100 Chieti, Italy
| | - Marco Onofrj
- Department of Neuroscience, Imaging and Clinical Science, G. d’Annunzio University of Chieti-Pescara, 66100 Chieti, Italy; (R.M.); (S.F.); (M.A.D.R.); (A.M.T.); (M.O.); (S.L.S.)
- Center for Advanced Studies and Technology (CAST), G. d’Annunzio University of Chieti-Pescara, 66100 Chieti, Italy
| | - Stefano Luca Sensi
- Department of Neuroscience, Imaging and Clinical Science, G. d’Annunzio University of Chieti-Pescara, 66100 Chieti, Italy; (R.M.); (S.F.); (M.A.D.R.); (A.M.T.); (M.O.); (S.L.S.)
- Center for Advanced Studies and Technology (CAST), G. d’Annunzio University of Chieti-Pescara, 66100 Chieti, Italy
- Institute for Advanced Biomedical Technologies, G. d’Annunzio University of Chieti-Pescara, 66100 Chieti, Italy
| | - Maria Cristina Curia
- Department of Medical, Oral and Biotechnological Sciences, G. d’Annunzio University of Chieti-Pescara, 66100 Chieti, Italy; (D.L.D.); (M.C.C.)
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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Vitale I, Spano M, Puca V, Carradori S, Cesa S, Marinacci B, Sisto F, Roos S, Grompone G, Grande R. Antibiofilm activity and NMR-based metabolomic characterization of cell-free supernatant of Limosilactobacillus reuteri DSM 17938. Front Microbiol 2023; 14:1128275. [PMID: 36891385 PMCID: PMC9986594 DOI: 10.3389/fmicb.2023.1128275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 01/20/2023] [Indexed: 02/22/2023] Open
Abstract
The microbial biofilm has been defined as a "key virulence factor" for a multitude of microorganisms associated with chronic infections. Its multifactorial nature and variability, as well as an increase in antimicrobial resistance, suggest the need to identify new compounds as alternatives to the commonly used antimicrobials. The aim of this study was to assess the antibiofilm activity of cell-free supernatant (CFS) and its sub-fractions (SurE 10 K with a molecular weight <10 kDa and SurE with a molecular weight <30 kDa), produced by Limosilactobacillus reuteri DSM 17938, vs. biofilm-producing bacterial species. The minimum inhibitory biofilm concentration (MBIC) and the minimum biofilm eradication concentration (MBEC) were determined via three different methods and an NMR metabolomic analysis of CFS and SurE 10K was performed to identify and quantify several compounds. Finally, the storage stability of these postbiotics was evaluated by a colorimetric assay by analyzing changes in the CIEL*a*b parameters. The CFS showed a promising antibiofilm activity against the biofilm developed by clinically relevant microorganisms. The NMR of CFS and SurE 10K identifies and quantifies several compounds, mainly organic acids and amino acids, with lactate being the most abundant metabolite in all the analyzed samples. The CFS and SurE 10 K were characterized by a similar qualitative profile, with the exception of formate and glycine detected only in the CFS. Finally, the CIEL*a*b parameters assess the better conditions to analyze and use these matrices for the correct preservation of bioactive compounds.
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Affiliation(s)
- Irene Vitale
- Department of Pharmacy, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
| | - Mattia Spano
- Department of Drug Chemistry and Technology, Sapienza University of Rome, Rome, Italy
| | - Valentina Puca
- Department of Pharmacy, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
| | - Simone Carradori
- Department of Pharmacy, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
| | - Stefania Cesa
- Department of Drug Chemistry and Technology, Sapienza University of Rome, Rome, Italy
| | - Beatrice Marinacci
- Department of Pharmacy, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy.,Department of Innovative Technologies in Medicine & Dentistry, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
| | - Francesca Sisto
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy
| | - Stefan Roos
- Department of Molecular Sciences, Swedish University of Agricultural Sciences, Uppsala, Sweden.,BioGaia AB, Stockholm, Sweden
| | | | - Rossella Grande
- Department of Pharmacy, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy.,Center for Advanced Studies and Technology (CAST), G. d'Annunzio University of Chieti-Pescara, Chieti, Italy
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Krzyżek P, Puca V, Grande R. Editorial: Helicobacter pylori and its mechanisms of antibiotic survival. Front Cell Infect Microbiol 2023; 13:1164227. [PMID: 36909728 PMCID: PMC9996122 DOI: 10.3389/fcimb.2023.1164227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Accepted: 02/16/2023] [Indexed: 02/25/2023] Open
Affiliation(s)
- Paweł Krzyżek
- Department of Microbiology, Faculty of Medicine, Wroclaw Medical University, Wroclaw, Poland
- *Correspondence: Paweł Krzyżek,
| | - Valentina Puca
- Department of Pharmacy, University “G. d’Annunzio” of Cheti-Pescara, Chieti, Italy
| | - Rossella Grande
- Department of Pharmacy, University “G. d’Annunzio” of Cheti-Pescara, Chieti, Italy
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Affiliation(s)
- Rossella Grande
- Department of Pharmacy, University "G. d'Annunzio" of Chieti-Pescara , Chieti, Italy.,Center for Advanced Studies and Technology (CAST), "G. d'Annunzio" University of Chieti-Pescara , Chieti, Italy
| | - Valentina Puca
- Center for Advanced Studies and Technology (CAST), "G. d'Annunzio" University of Chieti-Pescara , Chieti, Italy.,Department of Medicine and Aging Science, "G. d'Annunzio" University of Chieti-Pescara , Chieti, Italy
| | - Raffaella Muraro
- Department of Medical, Oral, and Biotechnological Sciences, "G. d'Annunzio" University of Chieti-Pescara , Chieti, Italy
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Grande R, Sisto F, Puca V, Carradori S, Ronci M, Aceto A, Muraro R, Mincione G, Scotti L. Antimicrobial and Antibiofilm Activities of New Synthesized Silver Ultra-NanoClusters (SUNCs) Against Helicobacter pylori. Front Microbiol 2020; 11:1705. [PMID: 32849359 PMCID: PMC7411087 DOI: 10.3389/fmicb.2020.01705] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 06/29/2020] [Indexed: 02/05/2023] Open
Abstract
Helicobacter pylori colonizes approximately 50% of the world’s population, and it is the cause of chronic gastritis, peptic ulcer disease, and gastric cancer. The increase of antibiotic resistance is one of the biggest challenges of our century due to its constant increase. In order to identify an alternative or adjuvant strategy to the standard antibiotic therapy, the in vitro activity of newly synthesized Silver Ultra-NanoClusters (SUNCs), characterized by an average size inferior to 5 nm, against clinical strains of H. pylori, with different antibiotic susceptibilities, was evaluated in this study. MICs and MBCs were determined by the broth microdilution method, whereas the effect of drug combinations was determined by the checkerboard assay. The Minimum Biofilm Eradication Concentration (MBEC) was measured using AlamarBlue (AB) assay and colony-forming unit (CFU) counts. The cytotoxicity was evaluated by performing the MTT assay on the AGS cell line. The inhibitory activity was expressed in terms of bacteriostatic and bactericidal potential, with MIC50, MIC90, and MBC50 of 0.33 mg/L against planktonic H. pylori strains. Using the fractional inhibitory concentration index (FICI), SUNCs showed potential synergism with metronidazole and clarithromycin. The biofilm eradication was obtained after treatment with 2×, 3×, and 4× MIC values. Moreover, SUNCs showed low toxicity on human cells and were effective in eradicating a mature biofilm produced by H. pylori. The data presented in this study demonstrate that SUNCs could represent a novel strategy for the treatment of H. pylori infections either alone or in combination with metronidazole.
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Affiliation(s)
- Rossella Grande
- Department of Pharmacy, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy.,Center for Advanced Studies and Technology (CAST), "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
| | - Francesca Sisto
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy
| | - Valentina Puca
- Center for Advanced Studies and Technology (CAST), "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy.,Department of Medicine and Aging Science, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
| | - Simone Carradori
- Department of Pharmacy, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
| | - Maurizio Ronci
- Department of Pharmacy, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy.,Center for Advanced Studies and Technology (CAST), "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
| | - Antonio Aceto
- Department of Medical, Oral, and Biotechnological Sciences, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
| | - Raffaella Muraro
- Department of Medical, Oral, and Biotechnological Sciences, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
| | - Gabriella Mincione
- Department of Medical, Oral, and Biotechnological Sciences, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
| | - Luca Scotti
- Department of Medical, Oral, and Biotechnological Sciences, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
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Ronci M, Del Prete S, Puca V, Carradori S, Carginale V, Muraro R, Mincione G, Aceto A, Sisto F, Supuran CT, Grande R, Capasso C. Identification and characterization of the α-CA in the outer membrane vesicles produced by Helicobacter pylori. J Enzyme Inhib Med Chem 2019; 34:189-195. [PMID: 30734607 PMCID: PMC6327981 DOI: 10.1080/14756366.2018.1539716] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
The genome of Helicobacter pylori encodes for carbonic anhydrases (CAs, EC 4.2.1.1) belonging to the α- and β-CA classes, which together with urease, have a pivotal role in the acid acclimation of the microorganism within the human stomach. Recently, in the exoproteome of H. pylori, a CA with no indication of the corresponding class was identified. Here, using the protonography and the mass spectrometry, a CA belonging to the α-class was detected in the outer membrane vesicles (OMVs) generated by planktonic and biofilm phenotypes of four H. pylori strains. The amount of this metalloenzyme was higher in the planktonic OMVs (pOMVs) than in the biofilm OMVs (bOMVs). Furthermore, the content of α-CA increases over time in the pOMVs. The identification of the α-CA in pOMVs and bOMVs might shed new light on the role of this enzyme in the colonization, survival, persistence, and pathogenesis of H. pylori.
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Affiliation(s)
- Maurizio Ronci
- a CeSI-MeT Centro Scienze dell'Invecchiamento e Medicina Traslazionale , Center of Aging Sciences and Translational Medicine (CeSi-Met) , Chieti , Italy.,b Department of Medical, Oral, and Biotechnological Sciences , University G. d'Annunzio of Chieti-Pescara , Chieti , Italy
| | - Sonia Del Prete
- c CNR , Istituto di Bioscienze e Biorisorse , Napoli , Italy
| | - Valentina Puca
- a CeSI-MeT Centro Scienze dell'Invecchiamento e Medicina Traslazionale , Center of Aging Sciences and Translational Medicine (CeSi-Met) , Chieti , Italy.,d Department of Medicine and Aging Science , G. d'Annunzio of Chieti-Pescara , Chieti , Italy
| | - Simone Carradori
- e Department of Pharmacy , University "G. d'Annunzio" of Chieti-Pescara , Chieti , Italy
| | | | - Raffaella Muraro
- b Department of Medical, Oral, and Biotechnological Sciences , University G. d'Annunzio of Chieti-Pescara , Chieti , Italy
| | - Gabriella Mincione
- b Department of Medical, Oral, and Biotechnological Sciences , University G. d'Annunzio of Chieti-Pescara , Chieti , Italy
| | - Antonio Aceto
- b Department of Medical, Oral, and Biotechnological Sciences , University G. d'Annunzio of Chieti-Pescara , Chieti , Italy
| | - Francesca Sisto
- f Dipartimento di Scienze Biomediche, Chirurgiche ed Odontoiatriche , University of Milan , Milan , Italy
| | - Claudiu T Supuran
- g NEUROFARBA Department, Sezione di Scienze Farmaceutiche e Nutraceutiche , Università degli Studi di Firenze , Sesto , Italy
| | - Rossella Grande
- a CeSI-MeT Centro Scienze dell'Invecchiamento e Medicina Traslazionale , Center of Aging Sciences and Translational Medicine (CeSi-Met) , Chieti , Italy.,e Department of Pharmacy , University "G. d'Annunzio" of Chieti-Pescara , Chieti , Italy
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Grande R, Celia C, Mincione G, Stringaro A, Di Marzio L, Colone M, Di Marcantonio MC, Savino L, Puca V, Santoliquido R, Locatelli M, Muraro R, Hall-Stoodley L, Stoodley P. Detection and Physicochemical Characterization of Membrane Vesicles (MVs) of Lactobacillus reuteri DSM 17938. Front Microbiol 2017; 8:1040. [PMID: 28659878 PMCID: PMC5468427 DOI: 10.3389/fmicb.2017.01040] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Accepted: 05/23/2017] [Indexed: 12/20/2022] Open
Abstract
Membrane vesicles (MVs) are bilayer structures which bleb from bacteria, and are important in trafficking biomolecules to other bacteria or host cells. There are few data about MVs produced by the Gram-positive commensal-derived probiotic Lactobacillus reuteri; however, MVs from this species may have potential therapeutic benefit. The aim of this study was to detect and characterize MVs produced from biofilm (bMVs), and planktonic (pMVs) phenotypes of L. reuteri DSM 17938. MVs were analyzed for structure and physicochemical characterization by Scanning Electron Microscope (SEM) and Dynamic Light Scattering (DLS). Their composition was interrogated using various digestive enzyme treatments and subsequent Transmission Electron Microscopy (TEM) analysis. eDNA (extracellular DNA) was detected and quantified using PicoGreen. We found that planktonic and biofilm of L. reuteri cultures generated MVs with a broad size distribution. Our data also showed that eDNA was associated with pMVs and bMVs (eMVsDNA). DNase I treatment demonstrated no modifications of MVs, suggesting that an eDNA-MVs complex protected the eMVsDNA. Proteinase K and Phospholipase C treatments modified the structure of MVs, showing that lipids and proteins are important structural components of L. reuteri MVs. The biological composition and the physicochemical characterization of MVs generated by the probiotic L. reuteri may represent a starting point for future applications in the development of vesicles-based therapeutic systems.
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Affiliation(s)
- Rossella Grande
- Department of Pharmacy, "G. d'Annunzio" University of Chieti-PescaraChieti, Italy.,Center of Aging Sciences and Translational MedicineChieti, Italy
| | - Christian Celia
- Department of Pharmacy, "G. d'Annunzio" University of Chieti-PescaraChieti, Italy.,Department of Nanomedicine, Houston Methodist Research Institute, HoustonTX, United States
| | - Gabriella Mincione
- Department of Medical, Oral, and Biotechnological Sciences, "G. d'Annunzio" University of Chieti-PescaraChieti, Italy
| | - Annarita Stringaro
- National Center for Drug Research and Evaluation, Italian National Institute of HealthRome, Italy
| | - Luisa Di Marzio
- Department of Pharmacy, "G. d'Annunzio" University of Chieti-PescaraChieti, Italy
| | - Marisa Colone
- National Center for Drug Research and Evaluation, Italian National Institute of HealthRome, Italy
| | - Maria C Di Marcantonio
- Department of Medical, Oral, and Biotechnological Sciences, "G. d'Annunzio" University of Chieti-PescaraChieti, Italy
| | - Luca Savino
- Department of Medical, Oral, and Biotechnological Sciences, "G. d'Annunzio" University of Chieti-PescaraChieti, Italy
| | - Valentina Puca
- Center of Aging Sciences and Translational MedicineChieti, Italy.,Department of Biotechnological and Applied Clinical Sciences, University of L'AquilaL'Aquila, Italy
| | - Roberto Santoliquido
- AlfatestLabCinisello Balsamo, Italy.,Malvern Instruments Ltd.Worcestershire, United Kingdom
| | - Marcello Locatelli
- Department of Pharmacy, "G. d'Annunzio" University of Chieti-PescaraChieti, Italy
| | - Raffaella Muraro
- Department of Medical, Oral, and Biotechnological Sciences, "G. d'Annunzio" University of Chieti-PescaraChieti, Italy
| | - Luanne Hall-Stoodley
- NIHR Wellcome Trust Clinical Research Facility, University Hospital Southampton NHS Foundation TrustSouthampton, United Kingdom.,Department of Microbial Infection and Immunity, Centre for Microbial Interface Biology, The Ohio State University, ColumbusOH, United States
| | - Paul Stoodley
- Department of Microbial Infection and Immunity, Centre for Microbial Interface Biology, The Ohio State University, ColumbusOH, United States.,National Center for Advanced Tribology, Faculty of Engineering and the Environment, University of SouthamptonSouthampton, United Kingdom
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