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Melfi F, Carradori S, Mencarelli N, Campestre C, Granese A, Mori M. Recent developments of agents targeting Vibrio cholerae: patents and literature data. Expert Opin Ther Pat 2024:1-18. [PMID: 38446009 DOI: 10.1080/13543776.2024.2327305] [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: 11/03/2023] [Accepted: 03/04/2024] [Indexed: 03/07/2024]
Abstract
INTRODUCTION Vibrio cholerae bacteria cause an infection characterized by acute diarrheal illness in the intestine. Cholera is sustained by people swallowing contaminated food or water. Even though symptoms can be mild, if untreated disease becomes severe and life-threatening, especially in low-income countries. AREAS COVERED After a description of the most recent literature on the pathophysiology of this infection, we searched for patents and literature articles following the PRISMA guidelines, filtering the results disclosed from 2020 to present. Moreover, some innovative molecular targets (e.g., carbonic anhydrases) and pathways to counteract this rising problem were also discussed in terms of design, structure-activity relationships and structural analyses. EXPERT OPINION This review aims to cover and analyze the most recent advances on the new druggable targets and bioactive compounds against this fastidious pathogen, overcoming the use of old antibiotics which currently suffer from high resistance rate.
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Affiliation(s)
- Francesco Melfi
- 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
| | - Noemi Mencarelli
- Department of Pharmacy, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
| | - Cristina Campestre
- Department of Pharmacy, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
| | - Arianna Granese
- Department of Drug Chemistry and Technology, "Sapienza" University of Rome, Rome, Italy
| | - Mattia Mori
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Siena, Italy
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De Filippis B, Granese A, Ammazzalorso A. Peroxisome Proliferator-Activated Receptor agonists and antagonists: an updated patent review (2020-2023). Expert Opin Ther Pat 2024; 34:83-98. [PMID: 38501260 DOI: 10.1080/13543776.2024.2332661] [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] [Received: 12/09/2023] [Accepted: 03/12/2024] [Indexed: 03/20/2024]
Abstract
INTRODUCTION The search for novel compounds targeting Peroxisome Proliferator-Activated Receptors (PPARs) is currently ongoing, starting from the previous successfully identification of selective, dual or pan agonists. In last years, researchers' efforts are mainly paid to the discovery of PPARγ and δ modulators, both agonists and antagonists, selective or with a dual-multitarget profile. Some of these compounds are currently under clinical trials for the treatment of primary biliary cirrhosis, nonalcoholic fatty liver disease, hepatic, and renal diseases. AREAS COVERED A critical analysis of patents deposited in the range 2020-2023 was carried out. The novel compounds discovered were classified as selective PPAR modulators, dual and multitarget PPAR agonists. The use of PPAR ligands in combination with other drugs was also discussed, together with novel therapeutic indications proposed for them. EXPERT OPINION From the analysis of the patent literature, the current emerging landscape sees the necessity to obtain PPAR multitarget compounds, with a balanced potency on three subtypes and the ability to modulate different targets. This multitarget action holds great promise as a novel approach to complex disorders, as metabolic, inflammatory diseases, and cancer. The utility of PPAR ligands in the immunotherapy field also opens an innovative scenario, that could deserve further applications.
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Affiliation(s)
| | - Arianna Granese
- Department of Drug Chemistry and Technology, "Sapienza" University of Rome, Rome, Italy
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Arrighi F, Granese A, Chimenti P, Guglielmi P. Novel therapeutic opportunities for Toxoplasma gondii, Trichomonas vaginalis and Giardia intestinalis infections. Expert Opin Ther Pat 2023; 33:211-245. [PMID: 37099697 DOI: 10.1080/13543776.2023.2206017] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/28/2023]
Abstract
INTRODUCTION Toxoplasma gondii, Trichomonas vaginalis and Giardia intestinalis are the causative agents of Toxoplasmosis, Trichomoniasis and Giardiasis, three important infections threatening human health and affecting millions of people worldwide. Although drugs and treatment are available to fight these protozoan parasites, side-effects and increasing drug resistance, require continuous efforts for the development of novel effective drugs. AREAS COVERED The patents search was carried out in September/October 2022 with four official scientific databases (Espacenet, Scifinder, Reaxys, Google Patents). Treatments for Toxoplasmosis, Trichomoniasis and Giardiasis (2015-2022) have been grouped according to their chemotypes. In particular, novel chemical entities have been reported and investigated for their structure-activity relationship, when accessible. On the other hand, drug repurposing, extensively exploited to obtain novel anti-protozoal treatment, has been in-depth described. Finally, natural metabolites and extracts have also been reported. EXPERT OPINION T. gondii, T. vaginalis and G. intestinalis are protozoan infections usually controlled by immune system in immunocompetent patients; however, they could represent a threatening health for immunocompromised people. The needs of novel effective drugs, endowed with new mechanisms of actions arises from the increasing drug resistance affecting antibiotic as well as antiprotozoal therapies. In this review different therapeutic approaches to treat protozoan infections have been reported.
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Affiliation(s)
- Francesca Arrighi
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, Rome, Italy
| | - Arianna Granese
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, Rome, Italy
| | - Paola Chimenti
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, Rome, Italy
| | - Paolo Guglielmi
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, Rome, Italy
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Appetecchia F, Consalvi S, Berrino E, Gallorini M, Granese A, Campestre C, Carradori S, Biava M, Poce G. A Novel Class of Dual-Acting DCH-CORMs Counteracts Oxidative Stress-Induced Inflammation in Human Primary Tenocytes. Antioxidants (Basel) 2021; 10:antiox10111828. [PMID: 34829699 PMCID: PMC8614895 DOI: 10.3390/antiox10111828] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [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: 10/14/2021] [Revised: 11/16/2021] [Accepted: 11/16/2021] [Indexed: 12/14/2022] Open
Abstract
Carbon monoxide (CO) can prevent cell and tissue damage by restoring redox homeostasis and counteracting inflammation. CO-releasing molecules (CORMs) can release a controlled amount of CO to cells and are emerging as a safer therapeutic alternative to delivery of CO in vivo. Sustained oxidative stress and inflammation can cause chronic pain and disability in tendon-related diseases, whose therapeutic management is still a challenge. In this light, we developed three small subsets of 1,5-diarylpyrrole and pyrazole dicobalt(0)hexacarbonyl (DCH)-CORMs to assess their potential use in musculoskeletal diseases. A myoglobin-based spectrophotometric assay showed that these CORMs act as slow and efficient CO-releasers. Five selected compounds were then tested on human primary-derived tenocytes before and after hydrogen peroxide stimulation to assess their efficacy in restoring cell redox homeostasis and counteracting inflammation in terms of PGE2 secretion. The obtained results showed an improvement in tendon homeostasis and a cytoprotective effect, reflecting their activity as CO-releasers, and a reduction of PGE2 secretion. As these compounds contain structural fragments of COX-2 selective inhibitors, we hypothesized that such a composite mechanism of action results from the combination of CO-release and COX-2 inhibition and that these compounds might have a potential role as dual-acting therapeutic agents in tendon-derived diseases.
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Affiliation(s)
- Federico Appetecchia
- Department of Chemistry and Technologies of Drug, Sapienza University of Rome, piazzale A. Moro 5, 00185 Rome, Italy; (F.A.); (S.C.); (E.B.); (A.G.)
| | - Sara Consalvi
- Department of Chemistry and Technologies of Drug, Sapienza University of Rome, piazzale A. Moro 5, 00185 Rome, Italy; (F.A.); (S.C.); (E.B.); (A.G.)
| | - Emanuela Berrino
- Department of Chemistry and Technologies of Drug, Sapienza University of Rome, piazzale A. Moro 5, 00185 Rome, Italy; (F.A.); (S.C.); (E.B.); (A.G.)
| | - Marialucia Gallorini
- Department of Pharmacy, “G. d’Annunzio” University of Chieti-Pescara, Via dei Vestini 31, 66100 Chieti, Italy; (M.G.); (C.C.)
| | - Arianna Granese
- Department of Chemistry and Technologies of Drug, Sapienza University of Rome, piazzale A. Moro 5, 00185 Rome, Italy; (F.A.); (S.C.); (E.B.); (A.G.)
| | - Cristina Campestre
- Department of Pharmacy, “G. d’Annunzio” University of Chieti-Pescara, Via dei Vestini 31, 66100 Chieti, Italy; (M.G.); (C.C.)
| | - Simone Carradori
- Department of Pharmacy, “G. d’Annunzio” University of Chieti-Pescara, Via dei Vestini 31, 66100 Chieti, Italy; (M.G.); (C.C.)
- Correspondence: (S.C.); (M.B.); (G.P.)
| | - Mariangela Biava
- Department of Chemistry and Technologies of Drug, Sapienza University of Rome, piazzale A. Moro 5, 00185 Rome, Italy; (F.A.); (S.C.); (E.B.); (A.G.)
- Correspondence: (S.C.); (M.B.); (G.P.)
| | - Giovanna Poce
- Department of Chemistry and Technologies of Drug, Sapienza University of Rome, piazzale A. Moro 5, 00185 Rome, Italy; (F.A.); (S.C.); (E.B.); (A.G.)
- Correspondence: (S.C.); (M.B.); (G.P.)
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Sisto F, Carradori S, Guglielmi P, Spano M, Secci D, Granese A, Sobolev AP, Grande R, Campestre C, Di Marcantonio MC, Mincione G. Synthesis and Evaluation of Thymol-Based Synthetic Derivatives as Dual-Action Inhibitors against Different Strains of H. pylori and AGS Cell Line. Molecules 2021; 26:molecules26071829. [PMID: 33805064 PMCID: PMC8037164 DOI: 10.3390/molecules26071829] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Revised: 03/22/2021] [Accepted: 03/23/2021] [Indexed: 02/06/2023] Open
Abstract
Following a similar approach on carvacrol-based derivatives, we investigated the synthesis and the microbiological screening against eight strains of H. pylori, and the cytotoxic activity against human gastric adenocarcinoma (AGS) cells of a new series of ether compounds based on the structure of thymol. Structural analysis comprehended elemental analysis and 1H/13C/19F NMR spectra. The analysis of structure–activity relationships within this molecular library of 38 structurally-related compounds reported that some chemical modifications of the OH group of thymol led to broad-spectrum growth inhibition on all isolates. Preferred substitutions were benzyl groups compared to alkyl chains, and the specific presence of functional groups at para position of the benzyl moiety such as 4-CN and 4-Ph endowed the most anti-H. pylori activity toward all the strains with minimum inhibitory concentration (MIC) values up to 4 µg/mL. Poly-substitution on the benzyl ring was not essential. Moreover, several compounds characterized by the lowest minimum inhibitory concentration/minimum bactericidal concentration (MIC/MBC) values against H. pylori were also tested in order to verify a cytotoxic effect against AGS cells with respect to 5-fluorouracil and carvacrol. Three derivatives can be considered as new lead compounds alternative to current therapy to manage H. pylori infection, preventing the occurrence of severe gastric diseases. The present work confirms the possibility to use natural compounds as templates for the medicinal semi-synthesis.
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Affiliation(s)
- Francesca Sisto
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, 20122 Milan, Italy;
| | - Simone Carradori
- Department of Pharmacy, “G. d’Annunzio” University of Chieti-Pescara, Via dei Vestini 31, 66100 Chieti, Italy; (R.G.); (C.C.)
- Correspondence:
| | - Paolo Guglielmi
- Department of Chemistry and Technology of Drugs, Sapienza University of Rome, P.le A. Moro 5, 00185 Rome, Italy; (P.G.); (M.S.); (D.S.); (A.G.)
| | - Mattia Spano
- Department of Chemistry and Technology of Drugs, Sapienza University of Rome, P.le A. Moro 5, 00185 Rome, Italy; (P.G.); (M.S.); (D.S.); (A.G.)
| | - Daniela Secci
- Department of Chemistry and Technology of Drugs, Sapienza University of Rome, P.le A. Moro 5, 00185 Rome, Italy; (P.G.); (M.S.); (D.S.); (A.G.)
| | - Arianna Granese
- Department of Chemistry and Technology of Drugs, Sapienza University of Rome, P.le A. Moro 5, 00185 Rome, Italy; (P.G.); (M.S.); (D.S.); (A.G.)
| | - Anatoly P. Sobolev
- Institute for Biological Systems, “Annalaura Segre” Magnetic Resonance Laboratory, CNR, 00015 Rome, Italy;
| | - Rossella Grande
- Department of Pharmacy, “G. d’Annunzio” University of Chieti-Pescara, Via dei Vestini 31, 66100 Chieti, Italy; (R.G.); (C.C.)
| | - Cristina Campestre
- Department of Pharmacy, “G. d’Annunzio” University of Chieti-Pescara, Via dei Vestini 31, 66100 Chieti, Italy; (R.G.); (C.C.)
| | - Maria Carmela Di Marcantonio
- Department of Innovative Technologies in Medicine and Dentistry, “G. d’Annunzio” University of Chieti-Pescara, 66100 Chieti, Italy; (M.C.D.M.); (G.M.)
| | - Gabriella Mincione
- Department of Innovative Technologies in Medicine and Dentistry, “G. d’Annunzio” University of Chieti-Pescara, 66100 Chieti, Italy; (M.C.D.M.); (G.M.)
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Menghini L, Bellagamba G, Fabiana M, Luca ED, Armellani L, Cifelli R, Granese A, Kucukerkan NZ, Aktumsek A, Zengin G. Analytical Procedures for Secondary Metabolites Determination: Recent Trends and Future Perspectives. LETT DRUG DES DISCOV 2018. [DOI: 10.2174/1570180814666170505124707] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Luigi Menghini
- Department of Pharmacy, University “G. d'Annunzio” Chieti-Pescara, 66100, Chieti, Italy
| | - Giuseppe Bellagamba
- Department of Pharmacy, University “G. d'Annunzio” Chieti-Pescara, 66100, Chieti, Italy
| | - Marcelli Fabiana
- Department of Pharmacy, University “G. d'Annunzio” Chieti-Pescara, 66100, Chieti, Italy
| | - Elisa De Luca
- Department of Pharmacy, University “G. d'Annunzio” Chieti-Pescara, 66100, Chieti, Italy
| | - Luca Armellani
- Department of Pharmacy, University “G. d'Annunzio” Chieti-Pescara, 66100, Chieti, Italy
| | - Roberta Cifelli
- Department of Pharmacy, University “G. d'Annunzio” Chieti-Pescara, 66100, Chieti, Italy
| | - Arianna Granese
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, 00185, Rome, Italy
| | | | | | - Gokhan Zengin
- Department of Biology, Science Faculty, Selcuk University, Konya, Turkey
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Carradori S, Chimenti P, Fazzari M, Granese A, Angiolella L. Antimicrobial activity, synergism and inhibition of germ tube formation by Crocus sativus-derived compounds against Candida spp. J Enzyme Inhib Med Chem 2016; 31:189-193. [PMID: 27160150 DOI: 10.1080/14756366.2016.1180596] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
The limited arsenal of synthetic antifungal agents and the emergence of resistant Candida strains have prompted the researchers towards the investigation of naturally occurring compounds or their semisynthetic derivatives in order to propose new innovative hit compounds or new antifungal combinations endowed with reduced toxicity. We explored the anti-Candida effects, for the first time, of two bioactive compounds from Crocus sativus stigmas, namely crocin 1 and safranal, and some semisynthetic derivatives of safranal obtaining promising biological results in terms of minimum inhibitory concentration/minimum fungicidal concentration (MIC/MFC) values, synergism and reduction in the germ tube formation. Safranal and its thiosemicarbazone derivative 5 were shown to display good activity against Candida spp.
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Affiliation(s)
- Simone Carradori
- a Department of Pharmacy , "G. D'Annunzio" University of Chieti-Pescara , Chieti , Italy
| | | | - Marina Fazzari
- c Department of Public Health and Infectious Diseases , Sapienza University of Rome , Rome , Italy
| | | | - Letizia Angiolella
- c Department of Public Health and Infectious Diseases , Sapienza University of Rome , Rome , Italy
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D’Ascenzio M, Chimenti P, Gidaro MC, De Monte C, De Vita D, Granese A, Scipione L, Di Santo R, Costa G, Alcaro S, Yáñez M, Carradori S. (Thiazol-2-yl)hydrazone derivatives from acetylpyridines as dual inhibitors of MAO and AChE: synthesis, biological evaluation and molecular modeling studies. J Enzyme Inhib Med Chem 2015; 30:908-19. [DOI: 10.3109/14756366.2014.987138] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Affiliation(s)
- Melissa D’Ascenzio
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, Rome, Italy,
| | - Paola Chimenti
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, Rome, Italy,
| | | | - Celeste De Monte
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, Rome, Italy,
| | - Daniela De Vita
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, Rome, Italy,
| | - Arianna Granese
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, Rome, Italy,
| | - Luigi Scipione
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, Rome, Italy,
| | - Roberto Di Santo
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, Rome, Italy,
| | - Giosuè Costa
- Dipartimento di Scienze della Salute, Università di Catanzaro, Catanzaro, Italy,
| | - Stefano Alcaro
- Dipartimento di Scienze della Salute, Università di Catanzaro, Catanzaro, Italy,
| | - Matilde Yáñez
- University of Santiago de Compostela, Santiago de Compostela, Spain, and
| | - Simone Carradori
- Department of Pharmacy, “G. D'Annunzio“ University of Chieti-Pescara, Chieti Scalo (CH), Italy
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De Monte C, Bizzarri B, Gidaro MC, Carradori S, Mollica A, Luisi G, Granese A, Alcaro S, Costa G, Basilico N, Parapini S, Scaltrito MM, Masia C, Sisto F. Bioactive compounds of Crocus sativus L. and their semi-synthetic derivatives as promising anti-Helicobacter pylori, anti-malarial and anti-leishmanial agents. J Enzyme Inhib Med Chem 2015; 30:1027-33. [DOI: 10.3109/14756366.2014.1001755] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Affiliation(s)
- Celeste De Monte
- Dipartimento di Chimica e Tecnologie del Farmaco, Sapienza University of Rome, Rome, Italy,
| | - Bruna Bizzarri
- Dipartimento di Chimica e Tecnologie del Farmaco, Sapienza University of Rome, Rome, Italy,
| | - Maria Concetta Gidaro
- Dipartimento di Scienze della Salute, “Magna Graecia” University of Catanzaro, Campus Universitario “S. Venuta”, Viale Europa Loc. Germaneto, Catanzaro, Italy,
| | - Simone Carradori
- Department of Pharmacy, “G. D’Annunzio” University of Chieti-Pescara, Chieti, Italy,
| | - Adriano Mollica
- Department of Pharmacy, “G. D’Annunzio” University of Chieti-Pescara, Chieti, Italy,
| | - Grazia Luisi
- Department of Pharmacy, “G. D’Annunzio” University of Chieti-Pescara, Chieti, Italy,
| | - Arianna Granese
- Dipartimento di Chimica e Tecnologie del Farmaco, Sapienza University of Rome, Rome, Italy,
| | - Stefano Alcaro
- Dipartimento di Scienze della Salute, “Magna Graecia” University of Catanzaro, Campus Universitario “S. Venuta”, Viale Europa Loc. Germaneto, Catanzaro, Italy,
| | - Giosuè Costa
- Dipartimento di Scienze della Salute, “Magna Graecia” University of Catanzaro, Campus Universitario “S. Venuta”, Viale Europa Loc. Germaneto, Catanzaro, Italy,
| | - Nicoletta Basilico
- Dipartimento di Scienze Biomediche, Chirurgiche ed Odontoiatriche, University of Milan, Milan, Italy, and
| | - Silvia Parapini
- Dipartimento di Scienze Farmacologiche e Biomolecolari, University of Milan, Milan, Italy
| | - Maria Maddalena Scaltrito
- Dipartimento di Scienze Biomediche, Chirurgiche ed Odontoiatriche, University of Milan, Milan, Italy, and
| | - Carla Masia
- Dipartimento di Scienze Biomediche, Chirurgiche ed Odontoiatriche, University of Milan, Milan, Italy, and
| | - Francesca Sisto
- Dipartimento di Scienze Biomediche, Chirurgiche ed Odontoiatriche, University of Milan, Milan, Italy, and
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Chimenti F, Bizzarri B, Bolasco A, Secci D, Chimenti P, Granese A, Carradori S, Rivanera D, Zicari A, Scaltrito MM, Sisto F. Corrigendum to “Synthesis, selective anti-Helicobacter pylori activity, and cytotoxicity of novel N-substituted-2-oxo-2H-1-benzopyran-3-carboxamides” [Bioorg. Med. Chem. Lett. 20 (2010) 4922–4926]. Bioorg Med Chem Lett 2014. [DOI: 10.1016/j.bmcl.2014.04.066] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Affiliation(s)
- F. Chimenti
- a Dipartimento di Studi di Chimica e Tecnologia delle Sostanze Biologicamente Attive , Università degli Studi di Roma “La Sapienza” , P. le A. Moro 5, 00185, Roma, Italy
| | - A. Bolasco
- a Dipartimento di Studi di Chimica e Tecnologia delle Sostanze Biologicamente Attive , Università degli Studi di Roma “La Sapienza” , P. le A. Moro 5, 00185, Roma, Italy
| | - D. Secci
- a Dipartimento di Studi di Chimica e Tecnologia delle Sostanze Biologicamente Attive , Università degli Studi di Roma “La Sapienza” , P. le A. Moro 5, 00185, Roma, Italy
| | - P. Chimenti
- a Dipartimento di Studi di Chimica e Tecnologia delle Sostanze Biologicamente Attive , Università degli Studi di Roma “La Sapienza” , P. le A. Moro 5, 00185, Roma, Italy
| | - A. Granese
- a Dipartimento di Studi di Chimica e Tecnologia delle Sostanze Biologicamente Attive , Università degli Studi di Roma “La Sapienza” , P. le A. Moro 5, 00185, Roma, Italy
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Chimenti F, Bizzarri B, Bolasco A, Secci D, Chimenti P, Granese A, Carradori S, D’Ascenzio M, Lilli D, Rivanera D. Synthesis and biological evaluation of novel 2,4-disubstituted-1,3-thiazoles as anti-Candida spp. agents. Eur J Med Chem 2011; 46:378-82. [DOI: 10.1016/j.ejmech.2010.10.027] [Citation(s) in RCA: 70] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2010] [Revised: 10/19/2010] [Accepted: 10/22/2010] [Indexed: 11/16/2022]
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Chimenti F, Bizzarri B, Bolasco A, Secci D, Chimenti P, Granese A, Carradori S, D'Ascenzio M, Scaltrito MM, Sisto F. Synthesis and anti-Helicobacter pylori activity of 4-(coumarin-3-yl)thiazol-2-ylhydrazone derivatives. J Heterocycl Chem 2010. [DOI: 10.1002/jhet.464] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Chimenti F, Secci D, Bolasco A, Chimenti P, Granese A, Carradori S, Yáñez M, Orallo F, Sanna ML, Gallinella B, Cirilli R. Synthesis, Stereochemical Separation, and Biological Evaluation of Selective Inhibitors of Human MAO-B: 1-(4-Arylthiazol-2-yl)-2-(3-methylcyclohexylidene)hydrazines. J Med Chem 2010; 53:6516-20. [DOI: 10.1021/jm100120s] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Franco Chimenti
- Dipartimento di Chimica e Tecnologie del Farmaco, Università degli Studi di Roma “La Sapienza”, P.le A. Moro 5, 00185 Roma, Italy
| | - Daniela Secci
- Dipartimento di Chimica e Tecnologie del Farmaco, Università degli Studi di Roma “La Sapienza”, P.le A. Moro 5, 00185 Roma, Italy
| | - Adriana Bolasco
- Dipartimento di Chimica e Tecnologie del Farmaco, Università degli Studi di Roma “La Sapienza”, P.le A. Moro 5, 00185 Roma, Italy
| | - Paola Chimenti
- Dipartimento di Chimica e Tecnologie del Farmaco, Università degli Studi di Roma “La Sapienza”, P.le A. Moro 5, 00185 Roma, Italy
| | - Arianna Granese
- Dipartimento di Chimica e Tecnologie del Farmaco, Università degli Studi di Roma “La Sapienza”, P.le A. Moro 5, 00185 Roma, Italy
| | - Simone Carradori
- Dipartimento di Chimica e Tecnologie del Farmaco, Università degli Studi di Roma “La Sapienza”, P.le A. Moro 5, 00185 Roma, Italy
| | - Matilde Yáñez
- Departamento de Farmacología and Instituto de Farmacia Industrial, Facultad de Farmacia, Universidad de Santiago de Compostela, Campus Universitario Sur, E-15782 Santiago de Compostela (La Coruña), Spain
| | - Francisco Orallo
- Departamento de Farmacología and Instituto de Farmacia Industrial, Facultad de Farmacia, Universidad de Santiago de Compostela, Campus Universitario Sur, E-15782 Santiago de Compostela (La Coruña), Spain
| | - M. Luisa Sanna
- Dipartimento del Farmaco, Istituto Superiore di Sanità, V.le Regina Elena 299, 00161 Roma, Italy
| | - Bruno Gallinella
- Dipartimento del Farmaco, Istituto Superiore di Sanità, V.le Regina Elena 299, 00161 Roma, Italy
| | - Roberto Cirilli
- Dipartimento del Farmaco, Istituto Superiore di Sanità, V.le Regina Elena 299, 00161 Roma, Italy
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Chimenti F, Secci D, Bolasco A, Chimenti P, Granese A, Carradori S, Maccioni E, Cardia MC, Yáñez M, Orallo F, Alcaro S, Ortuso F, Cirilli R, Ferretti R, Distinto S, Kirchmair J, Langer T. Synthesis, semipreparative HPLC separation, biological evaluation, and 3D-QSAR of hydrazothiazole derivatives as human monoamine oxidase B inhibitors. Bioorg Med Chem 2010; 18:5063-70. [DOI: 10.1016/j.bmc.2010.05.070] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2010] [Revised: 05/25/2010] [Accepted: 05/26/2010] [Indexed: 12/21/2022]
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16
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Chimenti F, Carradori S, Secci D, Bolasco A, Bizzarri B, Chimenti P, Granese A, Yáñez M, Orallo F. Synthesis and inhibitory activity against human monoamine oxidase of N1-thiocarbamoyl-3,5-di(hetero)aryl-4,5-dihydro-(1 H )-pyrazole derivatives. Eur J Med Chem 2010; 45:800-4. [DOI: 10.1016/j.ejmech.2009.11.003] [Citation(s) in RCA: 69] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2009] [Revised: 10/29/2009] [Accepted: 11/02/2009] [Indexed: 11/17/2022]
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17
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Chimenti F, Bolasco A, Secci D, Bizzarri B, Chimenti P, Granese A, Carradori S. Synthesis and characterization of new 3-acyl-7-hydroxy-6,8-substituted-coumarin and 3-acyl-7-benzyloxy-6,8-substituted-coumarin derivatives. J Heterocycl Chem 2010. [DOI: 10.1002/jhet.362] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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18
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Chimenti F, Secci D, Bolasco A, Chimenti P, Granese A, Carradori S, D'Ascenzio M, Yáñez M, Orallo F. Synthesis and selective inhibition of human monoamine oxidases of a large scaffold of (4,5-substituted-thiazol-2-yl)hydrazones. Med Chem Commun 2010. [DOI: 10.1039/c0md00014k] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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19
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Chimenti F, Bizzarri B, Bolasco A, Secci D, Chimenti P, Carradori S, Granese A, Rivanera D, Frishberg N, Bordón C, Jones-Brando L. Synthesis and evaluation of 4-acyl-2-thiazolylhydrazone derivatives for anti-Toxoplasma efficacy in vitro. J Med Chem 2009; 52:4574-7. [PMID: 19618935 DOI: 10.1021/jm9005862] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A new series of 4-acyl-2-thiazolylhydrazone derivatives was synthesized and screened for its in vitro activity against Toxoplasma gondii. We evaluated parasite growth inhibition and cytotoxicity, inhibition of replication, and inhibition of parasite invasion of host cells. The biological results indicated that some substances had an antiproliferative effect against intracellular T. gondii tachyzoites cultivated in vitro.
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Affiliation(s)
- Franco Chimenti
- Dipartimento di Chimica e Tecnologie del Farmaco, Università La Sapienza, P.le A. Moro 5, 00185 Rome, Italy
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20
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Chimenti F, Carradori S, Secci D, Bolasco A, Chimenti P, Granese A, Bizzarri B. Synthesis and biological evaluation of novel conjugated coumarin-thiazole systems. J Heterocycl Chem 2009. [DOI: 10.1002/jhet.110] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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21
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Chimenti F, Secci D, Bolasco A, Chimenti P, Bizzarri B, Granese A, Carradori S, Yáñez M, Orallo F, Ortuso F, Alcaro S. Synthesis, molecular modeling, and selective inhibitory activity against human monoamine oxidases of 3-carboxamido-7-substituted coumarins. J Med Chem 2009; 52:1935-42. [PMID: 19267475 DOI: 10.1021/jm801496u] [Citation(s) in RCA: 127] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
A large series of 3-carboxamido-7-substituted coumarins have been synthesized and tested in vitro for their human monoamine oxidase A and B (hMAO-A and hMAO-B) inhibitory activity. Taking into account all the relevant structural information on MAOs reported in the literature, we made some changes in the coumarin nucleus and examined with particular attention the effect on activity and selectivity of substituting at position 3 with N-aryl or N-alkyl carboxamide and at position 7 with a benzyloxy or a 4'-F-benzyloxy group. Some of the assayed compounds proved to be potent, selective inhibitors of hMAO-B with IC(50) values in the micromolar range. To better understand the enzyme-inhibitor interaction and to explain the selectivity of the most active compounds toward hMAOs, molecular modeling studies were carried out on new, high resolution, hMAO-A and hMAO-B crystallographic structures.
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Affiliation(s)
- Franco Chimenti
- Dipartimento di Chimica e Tecnologie del Farmaco, Universita degli Studi di Roma La Sapienza, Rome, Italy
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22
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Chimenti F, Bizzarri B, Maccioni E, Secci D, Bolasco A, Chimenti P, Fioravanti R, Granese A, Carradori S, Tosi F, Ballario P, Vernarecci S, Filetici P. A novel histone acetyltransferase inhibitor modulating Gcn5 network: cyclopentylidene-[4-(4'-chlorophenyl)thiazol-2-yl)hydrazone. J Med Chem 2009; 52:530-6. [PMID: 19099397 DOI: 10.1021/jm800885d] [Citation(s) in RCA: 95] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Acetylation is a key modulator of genome accessibility through decondensation of the chromatin structure. The balance between acetylation and opposite deacetylation is, in fact, a prerequisite for several cell functions and differentiation. To find modulators of the histone acetyltransferase Gcn5p, we performed a phenotypic screening on a set of newly synthesized molecules derived from thiazole in budding yeast Saccharomyces cerevisiae. We selected compounds that induce growth inhibition in yeast strains deleted in genes encoding known histone acetyltransferases. A novel molecule CPTH2, cyclopentylidene-[4-(4'-chlorophenyl)thiazol-2-yl)hydrazone, was selected based on its inhibitory effect on the growth of a gcn5Delta strain. We demonstrated a specific chemical-genetic interaction between CPTH2 and HAT Gcn5p, indicating that CPTH2 inhibits the Gcn5p dependent functional network. CPTH2 inhibited an in vitro HAT reaction, which is reverted by increasing concentration of histone H3. In vivo, it decreased acetylation of bulk histone H3 at the specific H3-AcK14 site. On the whole, our results demonstrate that CPTH2 is a novel HAT inhibitor modulating Gcn5p network in vitro and in vivo.
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Affiliation(s)
- Franco Chimenti
- Dipartimento di Chimica e Tecnologie del Farmaco, Universita degli Studi di Roma La Sapienza, P. le A. Moro 5, 00185 Rome, Italy
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23
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Chimenti F, Maccioni E, Secci D, Bolasco A, Chimenti P, Granese A, Carradori S, Alcaro S, Ortuso F, Yáñez M, Orallo F, Cirilli R, Ferretti R, La Torre F. Synthesis, stereochemical identification, and selective inhibitory activity against human monoamine oxidase-B of 2-methylcyclohexylidene-(4-arylthiazol-2-yl)hydrazones. J Med Chem 2008; 51:4874-80. [PMID: 18666768 DOI: 10.1021/jm800132g] [Citation(s) in RCA: 78] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A series of 2-methylcyclohexylidene-(4-arylthiazol-2-yl)hydrazones have been investigated for their ability to inhibit selectively the activity of the human A and B isoforms of monoamine oxidase (MAO). The target compounds, which present a stereogenic center on the cyclohexane ring, were obtained as pure (R) and (S) enantiomers by enantioselective HPLC. The absolute configuration of homochiral forms isolated on a semipreparative scale was obtained by a combined strategy based on chemical correlation and single-crystal X-ray diffraction. All compounds showed higher activity against the human MAO-B isoform with IC50 values ranging between 26.81 +/- 2.74 microM and 14.20 +/- 0.26 nM, and the assays carried out on the pure enantiomers showed higher activity for the (R) form. A computational study was performed by molecular mechanics, DFT-based quantomechanics, and docking techniques on the most active and human MAO-B selective inhibitor 8.
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Affiliation(s)
- Franco Chimenti
- Dipartimento di Studi di Chimica e Tecnologia delle Sostanze Biologicamente Attive, Università degli Studi di Roma La Sapienza, P.le A. Moro 5, 00185 Roma, Italy
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24
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Chimenti F, Bizzarri B, Bolasco A, Secci D, Chimenti P, Carradori S, Granese A, Rivanera D, Lilli D, Zicari A, Scaltrito MM, Sisto F. A novel class of selective anti-Helicobacter pylori agents 2-oxo-2H-chromene-3-carboxamide derivatives. Bioorg Med Chem Lett 2007; 17:3065-71. [PMID: 17395462 DOI: 10.1016/j.bmcl.2007.03.050] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2007] [Revised: 03/14/2007] [Accepted: 03/14/2007] [Indexed: 01/04/2023]
Abstract
A novel class of selective anti-Helicobacter pylori agents, 2-oxo-2H-chromene-3-carboxamide derivatives, were prepared and evaluated for their anti-bacterial activity. All synthesized compounds showed little or no activity against different species of Gram-positive and Gram-negative bacteria and against various strains of pathogenic fungi. Some of them exhibited a potent and specific inhibitory effect on the growth of H. pylori, including metronidazole-resistant strains, in the 0.0039-16 microg/mL MIC range. A cytotoxic screening by the Trypan blue dye exclusion assay was also carried out on the most active compounds as anti-H. pylori agents. Among the derivatives examined for their cytotoxic potential, a number of them induced low cytotoxic effects.
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Affiliation(s)
- Franco Chimenti
- Dipartimento di Studi di Chimica e Tecnologia delle Sostanze Biologicamente Attive, Università La Sapienza, P.le A. Moro 5, 00185 Rome, Italy
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25
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Chimenti F, Bizzarri B, Maccioni E, Secci D, Bolasco A, Fioravanti R, Chimenti P, Granese A, Carradori S, Rivanera D, Lilli D, Zicari A, Distinto S. Synthesis and in vitro activity of 2-thiazolylhydrazone derivatives compared with the activity of clotrimazole against clinical isolates of Candida spp. Bioorg Med Chem Lett 2007; 17:4635-40. [PMID: 17560783 DOI: 10.1016/j.bmcl.2007.05.078] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2007] [Revised: 05/23/2007] [Accepted: 05/24/2007] [Indexed: 11/21/2022]
Abstract
In this paper, we report on the synthesis of a novel series of 2-thiazolylhydrazone derivatives and the influence of the substituents on the thiazole ring on antifungal activity. All synthesized compounds were screened for their in vitro activities against 22 clinical isolates of Candida spp., representing six different species, compared to clotrimazole as a reference compound. Some of the tested compounds were found to possess significant antifungal activity when compared to clotrimazole, in particular compound 14 which exhibited higher potency against most of the Candida spp. considered. The compounds that were most active as anti-Candida agents were also submitted to cytotoxic screening by the Trypan Blue dye exclusion assay and in general they were shown to induce low cytotoxic effects.
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Affiliation(s)
- Franco Chimenti
- Dipartimento di Studi di Chimica e Tecnologia delle Sostanze Biologicamente Attive Università degli Studi di Roma La Sapienza, P.le A. Moro 5, 00185 Rome, Italy
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26
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Chimenti F, Maccioni E, Secci D, Bolasco A, Chimenti P, Granese A, Befani O, Turini P, Alcaro S, Ortuso F, Cardia MC, Distinto S. Selective Inhibitory Activity against MAO and Molecular Modeling Studies of 2-Thiazolylhydrazone Derivatives. J Med Chem 2007; 50:707-12. [PMID: 17253676 DOI: 10.1021/jm060869d] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A series of 2-thiazolylhydrazone derivatives have been investigated for the ability to inhibit the activity of the A and B isoforms of monoamine oxidase (MAO) selectively. All of the compounds showed high activity against both the MAO-A and the MAO-B isoforms with pKi values ranging between 5.92 and 8.14 for the MAO-A and between 4.69 and 9.09 for the MAO-B isoforms. Both the MAO-A and the MAO-B isoforms, deposited in the Protein Data Bank as model 2BXR and 1GOS, respectively, were considered in a computational study performed with docking techniques on the most active and MAO-B-selective inhibitor, 18.
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Affiliation(s)
- Franco Chimenti
- Dipartimento di Studi di Chimica e Tecnologia delle Sostanze Biologicamente Attive and Dipartimento di Scienze Biochimiche "A. Rossi Fanelli" and Centro di Biologia Molecolare del CNR, Università degli Studi di Roma "La Sapienza", Rome, Italy
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27
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Chimenti F, Secci D, Bolasco A, Chimenti P, Granese A, Carradori S, Befani O, Turini P, Alcaro S, Ortuso F. Synthesis, molecular modeling studies, and selective inhibitory activity against monoamine oxidase of N,N'-bis[2-oxo-2H-benzopyran]-3-carboxamides. Bioorg Med Chem Lett 2006; 16:4135-40. [PMID: 16759860 DOI: 10.1016/j.bmcl.2006.04.026] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2006] [Accepted: 04/13/2006] [Indexed: 11/27/2022]
Abstract
A novel series of N,N'-bis[2-oxo-2H-1-benzopyran]-3-carboxamide derivatives have been synthesized and investigated for the ability to inhibit the activity of the A and B isoforms of monoamine oxidase (MAO). Some of the synthesized compounds show good selective inhibitory activity against the MAO-A isoform. Both the MAO-A and -B isoforms, deposited in the Protein Data Bank as the 2BXR and 1GOS models, respectively, were considered in a computational study performed with docking techniques on the most active and selective inhibitors.
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Affiliation(s)
- Franco Chimenti
- Dipartimento di Studi di Chimica e Tecnologia delle Sostanze Biologicamente Attive, Università degli Studi di Roma La Sapienza, P.le A. Moro 5, 00185 Rome, Italy
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28
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Chimenti F, Cottiglia F, Bonsignore L, Casu L, Casu M, Floris C, Secci D, Bolasco A, Chimenti P, Granese A, Befani O, Turini P, Alcaro S, Ortuso F, Trombetta G, Loizzo A, Guarino I. Quercetin as the active principle of Hypericum hircinum exerts a selective inhibitory activity against MAO-A: extraction, biological analysis, and computational study. J Nat Prod 2006; 69:945-9. [PMID: 16792415 DOI: 10.1021/np060015w] [Citation(s) in RCA: 72] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
The methanol extract from Hypericum hircinum leaves exhibited in vitro inhibition of monoamine oxidases (MAO). Bioassay-guided fractionation led to the isolation of quercetin and five compounds identified for the first time from H. hircinum. Quercetin was the only compound with a selective inhibitory activity against MAO-A, with an IC50 value of 0.010 microM. To explain MAO selective inhibition at the molecular level, a computational study was carried out by conformational search and docking techniques using recently determined crystallographic models of both enzymatic isoforms. An in vivo study in mice was carried out using the forced swimming test in order to elucidate the behavioral effects of quercetin.
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Affiliation(s)
- Franco Chimenti
- Dipartimento di Studi di Chimica e Tecnologia delle Sostanze Biologicamente Attive, Università degli Studi di Roma La Sapienza, P.le A. Moro 5, 00185 Rome, Italy
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29
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Chimenti F, Bolasco A, Manna F, Secci D, Chimenti P, Granese A, Befani O, Turini P, Cirilli R, La Torre F, Alcaro S, Ortuso F, Langer T. Synthesis, Biological Evaluation and 3D-QSAR of 1,3,5-Trisubstituted-4,5- Dihydro-(1H)-Pyrazole Derivatives as Potent and Highly Selective Monoamine Oxidase A Inhibitors. Curr Med Chem 2006; 13:1411-28. [PMID: 16719786 DOI: 10.2174/092986706776872907] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The present report provides a extended study of the chemistry, the inhibitory activity against monoamino oxidases (MAO), and molecular modeling including the 3D-QSAR hypothesis of 1,3,5-trisubstituted-4,5-dihydro-(1H)-pyrazole derivatives. Four series of about eighty novel pyrazoline derivatives were prepared and investigated for their ability to inhibit the activity of the A and B isoforms of MAO selectively. Most of the new synthesized compounds proved more reversible, potent, and selective inhibitors of MAO-A than of MAO-B, and could be taken into account to develop the search further in this field, knowing that reversible and selective MAO-A inhibitors are used as antidepressant and antianxiety drug. The 30 most active compounds show inhibitory activity on MAO-A in the 8.6 x 10(-8) - 9.0 x 10(-9)M range. Moreover, it should be pointed out that for most of them a high IC(50) > or = 10(-9)M value is associated with a high A-selectivity (Selectivity Index MAO-B/MAO-A in the 10,000-16,250 range). Furthermore, due to the presence of a chiral centre at the C5 position of the pyrazole moiety, we performed the semi-preparative chromatographic enantioseparation of the most potent, selective, and chiral compounds. The separated enantiomers were then submitted to in vitro biological evaluation, and from the results of these experiments it has been possible to point out a difference in inhibiting the two isoforms selectively between the racemic mixture and the single enantiomers. The molecular modeling work was carried out combining the Glide docking approach with CoMFA with the aim to rationalize the structure-activity relationships of each pyrazoline inhibitor toward MAO-A and MAO-B isoforms and to derive a suitable selectivity model.
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Affiliation(s)
- Franco Chimenti
- Dipartimento di Studi di Chimica e Tecnologia delle Sostanze Biologicamente Attive, Università degli Studi di Roma La Sapienza, Piazzale Aldo Moro 5, 00185 Rome, Italy.
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30
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Chimenti F, Bolasco A, Manna F, Secci D, Chimenti P, Granese A, Befani O, Turini P, Alcaro S, Ortuso F. Synthesis and Molecular Modelling of Novel Substituted-4,5-dihydro-(1H)-pyrazole Derivatives as Potent and Highly Selective Monoamine Oxidase-A Inhibitors. Chem Biol Drug Des 2006; 67:206-14. [PMID: 16611214 DOI: 10.1111/j.1747-0285.2006.00367.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
This report describes novel pyrazoline derivatives investigated for their ability to selectively inhibit the activity of the A and B isoforms of monoamine oxidase. These new synthetic compounds proved to be reversible, potent, and selective inhibitors of monoamine oxidase-A rather than of monoamine oxidase-B, and are promising candidates to further advance drug discovery efforts. The most active compounds show inhibitory activity on monoamine oxidase-A in the 1.0x10(-8)-8.6x10(-9) M range. Moreover, it should be pointed out that for some compounds a high IC50>or=10(-9) M value is associated with a high A-selectivity (Selectivity Index monoamine oxidase-B/monoamine oxidase-A in the 10,000-12,500 range). Further insight to understand enzyme-inhibitor molecular interaction was obtained by docking experiments with the monoamine oxidase-A and monoamine oxidase-B isoforms.
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Affiliation(s)
- Franco Chimenti
- Dipartimento di Studi di Chimica e Tecnologia delle Sostanze Biologicamente Attive, Università degli Studi di Roma La Sapienza, P.le Aldo Moro 5, 00185 Rome, Italy
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31
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Chimenti F, Maccioni E, Secci D, Bolasco A, Chimenti P, Granese A, Befani O, Turini P, Alcaro S, Ortuso F, Cirilli R, La Torre F, Cardia MC, Distinto S. Synthesis, molecular modeling studies, and selective inhibitory activity against monoamine oxidase of 1-thiocarbamoyl-3,5-diaryl-4,5-dihydro-(1H)- pyrazole derivatives. J Med Chem 2006; 48:7113-22. [PMID: 16279769 DOI: 10.1021/jm040903t] [Citation(s) in RCA: 92] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A novel series of 1-thiocarbamoyl-3,5-diaryl-4,5-dihydro-(1H)-pyrazole derivatives have been synthesized and investigated for the ability to inhibit selectively the activity of the A and B isoforms of monoamine oxidase (MAO). All the synthesized compounds show high activity against both the MAO-A and the MAO-B isoforms with Ki values between 27 and 4 nM and between 50 and 1.5 nM, respectively, except for a few derivatives whose inhibitory activity against MAO-B was in the micromolar range. Knowing that stereochemistry may be an important modulator of biological activity, we performed the semipreparative chromatographic enantioseparation of the most potent, selective, and chiral compounds. The separated enantiomers were then submitted to in vitro biological evaluation. The selectivity of the (-)-(S)-1 enantiomer against MAO-B increases twice and a half, while the selectivity of the (-)-(S)-4 enantiomer against MAO-A triples. Both the MAO-A and MAO-B isoforms respectively of the 1O5W and 1GOS models deposited in the Protein Data Bank were considered in the computational study. The docking study was carried out using several computational approaches with the aim of proposing possible binding modes of the MAO enantioselective compounds 1 and 4.
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Affiliation(s)
- Franco Chimenti
- Dipartimento di Studi di Chimica e Tecnologia delle Sostanze Biologicamente Attive, Università degli Studi di Roma La Sapienza, P.le A. Moro 5, 00185 Rome, Italy
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32
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Chimenti F, Bizzarri B, Bolasco A, Secci D, Chimenti P, Carradori S, Granese A, Rivanera D, Lilli D, Scaltrito MM, Brenciaglia MI. Synthesis and in vitro selective anti-Helicobacter pylori activity of N-substituted-2-oxo-2H-1-benzopyran-3-carboxamides. Eur J Med Chem 2006; 41:208-12. [PMID: 16377035 DOI: 10.1016/j.ejmech.2005.11.001] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2005] [Revised: 11/02/2005] [Accepted: 11/03/2005] [Indexed: 11/18/2022]
Abstract
In order to develop new anti-Helicobacter pylori agents, five new and three already known N-substituted-2-oxo-2H-1-benzopyran-3-carboxamides (coumarin-3-carboxamides) were prepared and evaluated for their antibacterial activity. All synthesized compounds showed little or no activity against different species of Gram-positive and Gram-negative bacteria of clinical relevance and against various strains of pathogenic fungi. Among the prepared compounds those with a 4-acyl-phenyl group showed the best activity against H. pylori metronidazole resistant strains in the 0.25-1 microg/ml MIC range, indicating the presence of an acyl function as an important feature for activity.
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Affiliation(s)
- Franco Chimenti
- Dipartimento di Studi di Chimica e Tecnologia delle Sostanze Biologicamente Attive, Università La Sapienza, Piazzale Aldo Moro 5, 00185 Rome, Italy
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Chimenti F, Secci D, Bolasco A, Chimenti P, Granese A, Gagliardi L, Orsi DD. LC Determination of Coumarin-3-Acyl Derivatives for Evaluation of the Stability and Monoamine Oxidase Inhibition Mechanism. Chromatographia 2005. [DOI: 10.1365/s10337-005-0534-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Chimenti F, Bizzarri B, Manna F, Bolasco A, Secci D, Chimenti P, Granese A, Rivanera D, Lilli D, Scaltrito MM, Brenciaglia MI. Synthesis and in vitro selective anti-Helicobacter pylori activity of pyrazoline derivatives. Bioorg Med Chem Lett 2005; 15:603-7. [PMID: 15664821 DOI: 10.1016/j.bmcl.2004.11.042] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2004] [Revised: 11/15/2004] [Accepted: 11/17/2004] [Indexed: 10/26/2022]
Abstract
In order to develop new anti-Helicobacter pylori agents, a series of N1-substituted 3,5-diphenyl pyrazolines P1-P13 was prepared and evaluated for their antibacterial activity. All synthesized compounds showed little or no activity against different species of Gram-positive and Gram-negative bacteria of clinical relevance and against various strains of pathogenic fungi. The same derivatives exhibited a significant degree of activity against a range of H. pylori strains, including those resistant to the reference compound metronidazole. Among the prepared compounds those with an N1-acetyl group and a 4-methoxy substituent in the 5-phenyl ring showed the best activity against H. pylori metronidazole resistant strains in the 1-4 microg/mL MIC range.
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Affiliation(s)
- F Chimenti
- Dipartimento di Studi di Chimica e Tecnologia delle Sostanze Biologicamente Attive, Università 'La Sapienza', P.le A. Moro 5, 00185 Rome, Italy
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Porrà R, Berri S, Gagliardi L, Chimenti P, Granese A, De Orsi D, Carpani I, Tonelli D. Development of an HPLC method for the identification and dosage of non-allowed substances in cosmetic products. Part I: local anaesthetics and antihistaminics. Anal Bioanal Chem 2004; 380:767-72. [PMID: 15517209 DOI: 10.1007/s00216-004-2807-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
An HPLC method with ultraviolet detection coupled with a solid-phase extraction sample clean up was developed for the analysis of five local anaesthetics and four antihistaminics in cosmetic products. The presence of these compounds in commercial cosmetic samples is fordbidden. Extracts from real samples were applied to a solid-phase extraction C18 cartridge, and the analytes were eluted with 8:2 (v/v) acetonitrile/water containing 1% trifluoroacetic acid. HPLC separation was then performed for the identification and determination of the analytes using a Purospher RP-18 column, two gradient eluting systems and a photodiode-array detector. The accuracy of the method was verified by spiking experiments on home-made cosmetic samples. The analytical recoveries were satisfactory.
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Affiliation(s)
- Rita Porrà
- Laboratorio di Chimica del Farmaco, Istituto Superiore di Sanità, Rome, Italy
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Chimenti F, Secci D, Bolasco A, Chimenti P, Granese A, Befani O, Turini P, Alcaro S, Ortuso F. Inhibition of monoamine oxidases by coumarin-3-acyl derivatives: biological activity and computational study. Bioorg Med Chem Lett 2004; 14:3697-703. [PMID: 15203146 DOI: 10.1016/j.bmcl.2004.05.010] [Citation(s) in RCA: 65] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2004] [Revised: 04/21/2004] [Accepted: 05/07/2004] [Indexed: 10/26/2022]
Abstract
A series of coumarin-3-acyl derivatives have been synthesized and investigated for the ability to inhibit selectively monoamine oxidases. The coumarin-3-carboxylic acids, 2a-e, proved to be reversible and selective inhibitors of the MAO-B isoform, displaying pIC(50) values of particular interest: 2a shows pIC(50) 7.76 and a selectivity index (pS.I.) 2.94 and 2b shows pIC(50) 7.72 and a pS.I. of 2.80. The coumarin-3-acyl chlorides 3a-e showed high pIC(50) values against both MAO-A and MAO-B isoforms, 3d being the highest against MAO-B with a pIC(50) value of 8.00. In order to rationalize the activity/selectivity results, molecular descriptors were generated. Further insight about enzyme-inhibitor interaction was obtained by docking experiments with the MAO-B isoform.
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Affiliation(s)
- Franco Chimenti
- Dipartimento di Studi di Chimica e Tecnologia delle Sostanze Biologicamente Attive, Università degli Studi di Roma 'La Sapienza', P.le A. Moro 5, 00185 Rome, Italy
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Panusa A, Ottaviani M, Picardo M, Camera E, Gagliardi L, Chimenti P, Granese A, Tonelli D. Analysis of corticosteroids by high performance liquid chromatography–electrospray mass spectrometry. Analyst 2004; 129:719-23. [PMID: 15284915 DOI: 10.1039/b402905d] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A high performance liquid chromatography electrospray mass spectrometry (HPLC-ESI-MS) method, for the detection of corticosteroids in cosmetics has been developed. A water-acetonitrile linear gradient on a C-18 reversed-phase column was found to be suitable in separating triamcinolone and its main derivatives, which greatly differ in lipophilicity. Detection was performed in negative electrospray ionisation mode. Good correlation between peaks areas and solutions concentration was found in the range 0.05-10.0 micro g ml(-1) and the detection limits resulted in the range of 20-45 pg injected. The method was successfully applied to the analysis of real samples of shampoo.
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Affiliation(s)
- Alessia Panusa
- Dipartimento di Chimica Fisica ed Inorganica, Universita degli Studi di Bologna, Viale Risorgimento 4, 40136 Bologna, Italy
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