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Ardino C, Sannio F, Poli G, Galati S, Dreassi E, Botta L, Docquier JD, D'Agostino I. An update on antibacterial AlkylGuanidino Ureas: Design of new derivatives, synergism with colistin and data analysis of the whole library. Eur J Med Chem 2024; 270:116362. [PMID: 38574637 DOI: 10.1016/j.ejmech.2024.116362] [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: 02/03/2024] [Revised: 03/21/2024] [Accepted: 03/25/2024] [Indexed: 04/06/2024]
Abstract
Antimicrobial resistance (AMR) represents one of the most challenging global Public Health issues, with an alarmingly increasing rate of attributable mortality. This scenario highlights the urgent need for innovative medicinal strategies showing activity on resistant isolates (especially, carbapenem-resistant Gram-negative bacteria, methicillin-resistant S. aureus, and vancomycin-resistant enterococci) yielding new approaches for the treatment of bacterial infections. We previously reported AlkylGuanidino Ureas (AGUs) with broad-spectrum antibacterial activity and a putative membrane-based mechanism of action. Herein, new tetra- and mono-guanidino derivatives were designed and synthesized to expand the structure-activity relationships (SARs) and, thereby, tested on the same panel of Gram-positive and Gram-negative bacteria. The membrane-active mechanism of selected compounds was then investigated through molecular dynamics (MD) on simulated bacterial membranes. In the end, the newly synthesized series, along with the whole library of compounds (more than 70) developed in the last decade, was tested in combination with subinhibitory concentrations of the last resort antibiotic colistin to assess putative synergistic or additive effects. Moreover, all the AGUs were subjected to cheminformatic and machine learning analyses to gain a deeper knowledge of the key features required for bioactivity.
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Affiliation(s)
- Claudia Ardino
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, via Aldo Moro 2, I-53100, Siena, Italy
| | - Filomena Sannio
- Department of Medical Biotechnologies, University of Siena, Viale Mario Bracci 16, I-53100, Siena, Italy
| | - Giulio Poli
- Department of Pharmacy, University of Pisa, via Bonanno Pisano 6, I-56126, Pisa, Italy
| | - Salvatore Galati
- Department of Pharmacy, University of Pisa, via Bonanno Pisano 6, I-56126, Pisa, Italy
| | - Elena Dreassi
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, via Aldo Moro 2, I-53100, Siena, Italy
| | - Lorenzo Botta
- Lead Discovery Siena s.r.l., Via Vittorio Alfieri 31, I-53019, Castelnuovo Berardenga, Italy; Department of Ecological and Biological Sciences, University of Tuscia, Largo dell'Università snc, I-01100, Viterbo, Italy
| | - Jean-Denis Docquier
- Department of Medical Biotechnologies, University of Siena, Viale Mario Bracci 16, I-53100, Siena, Italy; Lead Discovery Siena s.r.l., Via Vittorio Alfieri 31, I-53019, Castelnuovo Berardenga, Italy
| | - Ilaria D'Agostino
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, via Aldo Moro 2, I-53100, Siena, Italy; Department of Pharmacy, University of Pisa, via Bonanno Pisano 6, I-56126, Pisa, Italy.
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Sun Y, Xin J, Xu Y, Wang X, Zhao F, Niu C, Liu S. Research Progress on Sesquiterpene Compounds from Artabotrys Plants of Annonaceae. Molecules 2024; 29:1648. [PMID: 38611927 PMCID: PMC11013193 DOI: 10.3390/molecules29071648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 03/27/2024] [Accepted: 04/04/2024] [Indexed: 04/14/2024] Open
Abstract
Artabotrys, a pivotal genus within the Annonaceae family, is renowned for its extensive biological significance and medicinal potential. The genus's sesquiterpene compounds have attracted considerable interest from the scientific community due to their structural complexity and diverse biological activities. These compounds exhibit a range of biological activities, including antimalarial, antibacterial, anti-inflammatory analgesic, and anti-tumor properties, positioning them as promising candidates for medical applications. This review aims to summarize the current knowledge on the variety, species, and structural characteristics of sesquiterpene compounds isolated from Artabotrys plants. Furthermore, it delves into their pharmacological activities and underlying mechanisms, offering a comprehensive foundation for future research.
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Affiliation(s)
- Yupei Sun
- School of Pharmacy, Yantai University, Yantai 264005, China; (Y.S.); (Y.X.); (X.W.)
| | - Jianzeng Xin
- School of Life Sciences, Yantai University, Yantai 264005, China;
| | - Yaxi Xu
- School of Pharmacy, Yantai University, Yantai 264005, China; (Y.S.); (Y.X.); (X.W.)
| | - Xuyan Wang
- School of Pharmacy, Yantai University, Yantai 264005, China; (Y.S.); (Y.X.); (X.W.)
| | - Feng Zhao
- School of Pharmacy, Yantai University, Yantai 264005, China; (Y.S.); (Y.X.); (X.W.)
| | - Changshan Niu
- College of Pharmacy, University of Utah, Salt Lake City, UT 84108, USA
| | - Sheng Liu
- School of Pharmacy, Yantai University, Yantai 264005, China; (Y.S.); (Y.X.); (X.W.)
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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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Katayama Y, Watanabe K, Nishiyama Y, Yokoshima S. Fluorinated 2,6-Xylenesulfonyl Group: A Protective Group for Amines. Org Lett 2023. [PMID: 36866525 DOI: 10.1021/acs.orglett.3c00299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Abstract
We have developed a fluorinated 2,6-xylenesulfonyl group (fluorinated xysyl, fXs) as a protective group for amines. The sulfonyl group could be attached to amines by reactions with the corresponding sulfonyl chloride, and survived various conditions, including acidic, basic, and even reductive conditions. The fXs group could be cleaved by treatment with a thiolate under mild conditions.
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Affiliation(s)
- Yuki Katayama
- Graduate School of Pharmaceutical Sciences, Nagoya University, Nagoya 464-8601, Japan
| | - Kenta Watanabe
- Graduate School of Pharmaceutical Sciences, Nagoya University, Nagoya 464-8601, Japan
| | - Yoshitake Nishiyama
- Graduate School of Pharmaceutical Sciences, Nagoya University, Nagoya 464-8601, Japan
| | - Satoshi Yokoshima
- Graduate School of Pharmaceutical Sciences, Nagoya University, Nagoya 464-8601, Japan
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Ardino C, Sannio F, Pasero C, Botta L, Dreassi E, Docquier JD, D'Agostino I. The impact of counterions in biological activity: case study of antibacterial alkylguanidino ureas. Mol Divers 2022:10.1007/s11030-022-10505-6. [PMID: 36036302 PMCID: PMC9421121 DOI: 10.1007/s11030-022-10505-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Accepted: 07/23/2022] [Indexed: 11/25/2022]
Abstract
Abstract Trifluoroacetic acid (TFA), due to its strong acidity and low boiling point, is extensively used in protecting groups-based synthetic strategies. Indeed, synthetic compounds bearing basic functions, such as amines or guanidines (commonly found in peptido or peptidomimetic derivatives), developed in the frame of drug discovery programmes, are often isolated as trifluoroacetate (TF-Acetate) salts and their biological activity is assessed as such in in vitro, ex vivo, or in vivo experiments. However, the presence of residual amounts of TFA was reported to potentially affect the accuracy and reproducibility of a broad range of cellular assays (e. g. antimicrobial susceptibility testing, and cytotoxicity assays) limiting the further development of these derivatives. Furthermore, the impact of the counterion on biological activity, including TF-Acetate, is still controversial. Herein, we present a focused case study aiming to evaluate the activity of an antibacterial AlkylGuanidino Urea (AGU) compound obtained as TF-Acetate (1a) and hydrochloride (1b) salt forms to highlight the role of counterions in affecting the biological activity. We also prepared and tested the corresponding free base (1c). The exchange of the counterions applied to polyguanidino compounds represents an unexplored and challenging field, which required significant efforts for the successful optimization of reliable methods of preparation, also reported in this work. In the end, the biological evaluation revealed a quite similar biological profile for the salt derivatives 1a and 1b and a lower potency was found for the free base 1c. Graphical abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1007/s11030-022-10505-6.
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Affiliation(s)
- Claudia Ardino
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Via Aldo Moro, 2, 53100, Siena, Italy
| | - Filomena Sannio
- Dipartimento di Biotecnologie Mediche, University of Siena, Viale Bracci 16, 53100, Siena, Italy
| | - Carolina Pasero
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Via Aldo Moro, 2, 53100, Siena, Italy
| | - Lorenzo Botta
- Lead Discovery Siena s.r.l., Via Vittorio Alfieri 31, 53019, Castelnuovo Berardenga, Italy.,Department of Biological and Ecological Sciences, University of Tuscia, Largo Università s.n.c., 01100, Viterbo, Italy
| | - Elena Dreassi
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Via Aldo Moro, 2, 53100, Siena, Italy
| | - Jean-Denis Docquier
- Dipartimento di Biotecnologie Mediche, University of Siena, Viale Bracci 16, 53100, Siena, Italy. .,Lead Discovery Siena s.r.l., Via Vittorio Alfieri 31, 53019, Castelnuovo Berardenga, Italy. .,Laboratoire de Bactériologie Moléculaire, Centre d'Ingénierie des Protéines - UR InBioS, University of Liège, Allée du six Août 11, 4000, Liège, Belgium.
| | - Ilaria D'Agostino
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Via Aldo Moro, 2, 53100, Siena, Italy. .,Department of Pharmacy, "G. d'Annunzio" University of Chieti-Pescara, Via de Vestini, 31, 66013, Chieti, Italy.
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Focused library of phenyl-fused macrocyclic amidinoureas as antifungal agents. Mol Divers 2022; 26:3399-3409. [PMID: 35143033 PMCID: PMC8830944 DOI: 10.1007/s11030-022-10388-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Accepted: 01/13/2022] [Indexed: 01/09/2023]
Abstract
The rise of antimicrobial-resistant phenotypes and the spread of the global pandemic of COVID-19 are worsening the outcomes of hospitalized patients for invasive fungal infections. Among them, candidiases are seriously worrying, especially since the currently available drug armamentarium is extremely limited. We recently reported a new class of macrocyclic amidinoureas bearing a guanidino tail as promising antifungal agents. Herein, we present the design and synthesis of a focused library of seven derivatives of macrocyclic amidinoureas, bearing a second phenyl ring fused with the core. Biological activity evaluation shows an interesting antifungal profile for some compounds, resulting to be active on a large panel of Candida spp. and C. neoformans. PAMPA experiments for representative compounds of the series revealed a low passive diffusion, suggesting a membrane-based mechanism of action or the involvement of active transport systems. Also, compounds were found not toxic at high concentrations, as assessed through MTT assays.
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