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Costa FMS, Granja A, Pérez RL, Warner IM, Reis S, Passos MLC, Saraiva MLMFS. Fluoroquinolone-Based Organic Salts (GUMBOS) with Antibacterial Potential. Int J Mol Sci 2023; 24:15714. [PMID: 37958698 PMCID: PMC10650486 DOI: 10.3390/ijms242115714] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 10/25/2023] [Accepted: 10/25/2023] [Indexed: 11/15/2023] Open
Abstract
Antimicrobial resistance is a silent pandemic considered a public health concern worldwide. Strategic therapies are needed to replace antibacterials that are now ineffective. One approach entails the use of well-known antibacterials along with adjuvants that possess non-antibiotic properties but can extend the lifespan and enhance the effectiveness of the treatment, while also improving the suppression of resistance. In this regard, a group of uniform materials based on organic salts (GUMBOS) presents an alternative to this problem allowing the combination of antibacterials with adjuvants. Fluoroquinolones are a family of antibacterials used to treat respiratory and urinary tract infections with broad-spectrum activity. Ciprofloxacin and moxifloxacin-based GUMBOS were synthesized via anion exchange reactions with lithium and sodium salts. Structural characterization, thermal stability and octanol/water partition ratios were evaluated. The antibacterial profiles of most GUMBOS were comparable to their cationic counterparts when tested against Gram-positive S. aureus and Gram-negative E. coli, except for deoxycholate anion, which demonstrated the least effective antibacterial activity. Additionally, some GUMBOS were less cytotoxic to L929 fibroblast cells and non-hemolytic to red blood cells. Therefore, these agents exhibit promise as an alternative approach to combining drugs for treating infections caused by resistant bacteria.
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Affiliation(s)
- Fábio M. S. Costa
- LAQV, REQUIMTE, Laboratory of Applied Pharmacy, Department of Chemical Sciences, Faculty of Pharmacy, Porto University, Rua de Jorge Viterbo Ferreira, 4050-313 Porto, Portugal; (F.M.S.C.); (A.G.); (S.R.)
| | - Andreia Granja
- LAQV, REQUIMTE, Laboratory of Applied Pharmacy, Department of Chemical Sciences, Faculty of Pharmacy, Porto University, Rua de Jorge Viterbo Ferreira, 4050-313 Porto, Portugal; (F.M.S.C.); (A.G.); (S.R.)
| | - Rocío L. Pérez
- Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803, USA; (R.L.P.); (I.M.W.)
- Department of Chemistry and Biochemistry, Georgia Southern University, Statesboro, GA 30458, USA
| | - Isiah M. Warner
- Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803, USA; (R.L.P.); (I.M.W.)
- Department of Chemistry, Cincinnati University, Cincinnati, OH 45221, USA
| | - Salette Reis
- LAQV, REQUIMTE, Laboratory of Applied Pharmacy, Department of Chemical Sciences, Faculty of Pharmacy, Porto University, Rua de Jorge Viterbo Ferreira, 4050-313 Porto, Portugal; (F.M.S.C.); (A.G.); (S.R.)
| | - Marieta L. C. Passos
- LAQV, REQUIMTE, Laboratory of Applied Pharmacy, Department of Chemical Sciences, Faculty of Pharmacy, Porto University, Rua de Jorge Viterbo Ferreira, 4050-313 Porto, Portugal; (F.M.S.C.); (A.G.); (S.R.)
| | - M. Lúcia M. F. S. Saraiva
- LAQV, REQUIMTE, Laboratory of Applied Pharmacy, Department of Chemical Sciences, Faculty of Pharmacy, Porto University, Rua de Jorge Viterbo Ferreira, 4050-313 Porto, Portugal; (F.M.S.C.); (A.G.); (S.R.)
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2
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Abstract
This Review aims to summarize advances over the last 15 years in the development of active pharmaceutical ingredient ionic liquids (API-ILs), which make up a prospective game-changing strategy to overcome multiple problems with conventional solid-state drugs, for example, polymorphism. A critical part of the present Review is the collection of API-ILs and deep eutectic solvents (DESs) prepared to date. The Review covers rules for rational design of API-ILs and tools for API-IL formation, syntheses, and characterization. Nomenclature and ionic speciation, and the confusion that these may cause, are highlighted, particularly for speciation in both ILs and DESs of intermediate ionicity. We also highlight in vivo and in vitro pharmaceutical activity studies, with differences in pharmacokinetic/pharmacodynamic depending on ionicity of API-ILs. A brief overview is provided for the ILs used to deliver drugs, and the Review concludes with key prospects and roadblocks in translating API-ILs into pharmaceutical manufacturing.
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Affiliation(s)
- Julia L Shamshina
- Fiber and Biopolymer Research Institute (FBRI), Texas Tech University, Lubbock, Texas 79409, United States
| | - Robin D Rogers
- 525 Solutions, Inc., P.O. Box 2206, Tuscaloosa, Alabama 35403, United States
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3
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Yadav P, Kumari S, Yadav A, Bhardwaj P, Maruthi M, Chakraborty A, Kanoo P. Biocompatible Drug Delivery System Based on a MOF Platform for a Sustained and Controlled Release of the Poorly Soluble Drug Norfloxacin. ACS Omega 2023; 8:28367-28375. [PMID: 37576664 PMCID: PMC10413448 DOI: 10.1021/acsomega.3c02418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 07/14/2023] [Indexed: 08/15/2023]
Abstract
Norfloxacin (NFX), an important antibacterial fluoroquinolone, is a class IV drug according to the biopharmaceutics classification system (BCS) and has low solubility and permeability issues. Such poor physicochemical properties of drug molecules lead to poor delivery and are of serious concern to the pharmaceutical industry for clinical development. We present here a conceptually new approach to deliver NFX, by loading the drug molecule on the porous platform of a biocompatible metal-organic framework (MOF), MIL-100(Fe). The loading of the drug on the MOF leading to NFX@MIL-100(Fe) was characterized by Fourier transform infrared (FTIR), UV-visible spectroscopy, thermogravimetric analyses (TGA), and nitrogen adsorption studies. Controlled experiments resulted in the high loading of the drug molecule (∼20 wt %) along with the desired sustained release. We could further control the release of norfloxacin by coating drug-loaded MIL-100(Fe) with PEG, PEG{NFX@MIL-100(Fe)}. Both drug delivery systems (DDSs), NFX@MIL-100(Fe) and PEG{NFX@MIL-100(Fe)}, were tested for their biocompatibility through toxicity studies. The DDSs are biocompatible and show insignificant cytotoxicity, as revealed by cell viability studies through the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay.
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Affiliation(s)
- Preety Yadav
- Department
of Chemistry, School of Basic Sciences, Central University of Haryana, Jant-Pali, Mahendergarh 123031, Haryana, India
| | - Sarita Kumari
- Department
of Chemistry, School of Basic Sciences, Central University of Haryana, Jant-Pali, Mahendergarh 123031, Haryana, India
| | - Anand Yadav
- Department
of Chemistry, School of Basic Sciences, Central University of Haryana, Jant-Pali, Mahendergarh 123031, Haryana, India
| | - Priya Bhardwaj
- Department
of Biochemistry, School of Interdisciplinary and Applied Sciences, Central University of Haryana, Jant-Pali, Mahendergarh 123031, Haryana, India
| | - Mulaka Maruthi
- Department
of Biochemistry, School of Interdisciplinary and Applied Sciences, Central University of Haryana, Jant-Pali, Mahendergarh 123031, Haryana, India
| | - Anindita Chakraborty
- Department
of Chemistry, School of Basic Sciences, Central University of Haryana, Jant-Pali, Mahendergarh 123031, Haryana, India
| | - Prakash Kanoo
- Department
of Chemistry, School of Basic Sciences, Central University of Haryana, Jant-Pali, Mahendergarh 123031, Haryana, India
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4
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Filipe L, de Sousa T, Silva D, Santos MM, Ribeiro Carrott M, Poeta P, Branco LC, Gago S. In Vitro Antimicrobial Studies of Mesoporous Silica Nanoparticles Comprising Anionic Ciprofloxacin Ionic Liquids and Organic Salts. Pharmaceutics 2023; 15:1934. [PMID: 37514120 PMCID: PMC10385687 DOI: 10.3390/pharmaceutics15071934] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 06/30/2023] [Accepted: 07/06/2023] [Indexed: 07/30/2023] Open
Abstract
The combination of active pharmaceutical ingredients in the form of ionic liquids or organic salts (API-OSILs) with mesoporous silica nanoparticles (MSNs) as drug carriers can provide a useful tool in enhancing the capabilities of current antibiotics, especially against resistant strains of bacteria. In this publication, the preparation of a set of three nanomaterials based on the modification of a MSN surface with cholinium ([MSN-Chol][Cip]), 1-methylimidazolium ([MSN-1-MiM][Cip]) and 3-picolinium ([MSN-3-Pic][Cip]) ionic liquids coupled with anionic ciprofloxacin have been reported. All ionic liquids and functionalized nanomaterials were prepared through sustainable protocols, using microwave-assisted heating as an alternative to conventional methods. All materials were characterized through FTIR, solution 1H NMR, elemental analysis, XRD and N2 adsorption at 77 K. The prepared materials showed no in vitro cytotoxicity in fibroblasts viability assays. The minimum inhibitory concentration (MIC) for all materials was tested against Gram-negative K. pneumoniae and Gram-positive Enterococcus spp., both with resistant and sensitive strains. All sets of nanomaterials containing the anionic antibiotic outperformed free ciprofloxacin against resistant and sensitive forms of K. pneumoniae, with the prominent case of [MSN-Chol][Cip] suggesting a tenfold decrease in the MIC against sensitive strains. Against resistant K. pneumoniae, a five-fold decrease in the MIC was observed for all sets of nanomaterials compared with neutral ciprofloxacin. Against Enterococcus spp., only [MSN-1-MiM][Cip] was able to demonstrate a slight improvement over the free antibiotic.
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Affiliation(s)
- Luís Filipe
- Associated Laboratory for Green Chemistry (LAQV) of the Network of Chemistry and Technology (REQUIMTE), NOVA School of Science and Technology (FCT NOVA), Campus da Caparica, 2829-516 Caparica, Portugal
| | - Telma de Sousa
- Associated Laboratory for Green Chemistry (LAQV) of the Network of Chemistry and Technology (REQUIMTE), NOVA School of Science and Technology (FCT NOVA), Campus da Caparica, 2829-516 Caparica, Portugal
- Department of Genetics and Biotechnology, University of Trás-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal
- Microbiology and Antibiotic Resistance Team (MicroART), Departamento de Ciências Veterinárias, Universidade de Trás-os-Montes e Alto Douro, 5000-801 Vila Real, Portugal
- Functional Genomics and Proteomics Unit, University of Trás-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal
| | - Dário Silva
- Associated Laboratory for Green Chemistry (LAQV) of the Network of Chemistry and Technology (REQUIMTE), NOVA School of Science and Technology (FCT NOVA), Campus da Caparica, 2829-516 Caparica, Portugal
| | - Miguel M Santos
- Associated Laboratory for Green Chemistry (LAQV) of the Network of Chemistry and Technology (REQUIMTE), NOVA School of Science and Technology (FCT NOVA), Campus da Caparica, 2829-516 Caparica, Portugal
| | - Manuela Ribeiro Carrott
- LAQV-REQUIMTE, Institute for Research and Advanced Studies, Department of Chemistry and Biochemistry, School of Sciences and Technology, University of Évora, 7000-671 Évora, Portugal
| | - Patrícia Poeta
- Associated Laboratory for Green Chemistry (LAQV) of the Network of Chemistry and Technology (REQUIMTE), NOVA School of Science and Technology (FCT NOVA), Campus da Caparica, 2829-516 Caparica, Portugal
- Microbiology and Antibiotic Resistance Team (MicroART), Departamento de Ciências Veterinárias, Universidade de Trás-os-Montes e Alto Douro, 5000-801 Vila Real, Portugal
- Veterinary and Animal Research Centre (CECAV), University of Trás-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal
- Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), University of Trás-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal
| | - Luís C Branco
- Associated Laboratory for Green Chemistry (LAQV) of the Network of Chemistry and Technology (REQUIMTE), NOVA School of Science and Technology (FCT NOVA), Campus da Caparica, 2829-516 Caparica, Portugal
| | - Sandra Gago
- Associated Laboratory for Green Chemistry (LAQV) of the Network of Chemistry and Technology (REQUIMTE), NOVA School of Science and Technology (FCT NOVA), Campus da Caparica, 2829-516 Caparica, Portugal
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5
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Abdelkader J, Alelyani M, Alashban Y, Alghamdi SA, Bakkour Y. Modification of Dispersin B with Cyclodextrin-Ciprofloxacin Derivatives for Treating Staphylococcal. Molecules 2023; 28:5311. [PMID: 37513185 PMCID: PMC10386341 DOI: 10.3390/molecules28145311] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 06/03/2023] [Accepted: 06/20/2023] [Indexed: 07/30/2023] Open
Abstract
To address the high tolerance of biofilms to antibiotics, it is urgent to develop new strategies to fight against these bacterial consortia. An innovative antibiofilm nanovector drug delivery system, consisting of Dispersin B-permethylated-β-cyclodextrin/ciprofloxacin adamantyl (DspB-β-CD/CIP-Ad), is described here. For this purpose, complexation assays between CIP-Ad and (i) unmodified β-CD and (ii) different derivatives of β-CD, which are 2,3-O-dimethyl-β-CD, 2,6-O-dimethyl-β-CD, and 2,3,6-O-trimethyl-β-CD, were tested. A stoichiometry of 1/1 was obtained for the β-CD/CIP-Ad complex by NMR analysis. Isothermal Titration Calorimetry (ITC) experiments were carried out to determine Ka, ΔH, and ΔS thermodynamic parameters of the complex between β-CD and its different derivatives in the presence of CIP-Ad. A stoichiometry of 1/1 for β-CD/CIP-Ad complexes was confirmed with variable affinity according to the type of methylation. A phase solubility study showed increased CIP-Ad solubility with CD concentration, pointing out complex formation. The evaluation of the antibacterial activity of CIP-Ad and the 2,3-O-dimethyl-β-CD/CIP-Ad or 2,3,6-O-trimethyl-β-CD/CIP-Ad complexes was performed on Staphylococcus epidermidis (S. epidermidis) strains. The Minimum Inhibitory Concentration (MIC) studies showed that the complex of CIP-Ad and 2,3-O-dimethyl-β-CD exhibited a similar antimicrobial activity to CIP-Ad alone, while the interaction with 2,3,6-O-trimethyl-β-CD increased MIC values. Antimicrobial assays on S. epidermidis biofilms demonstrated that the synergistic effect observed with the DspB/CIP association was partly maintained with the 2,3-O-dimethyl-β-CDs/CIP-Ad complex. To obtain this "all-in-one" drug delivery system, able to destroy the biofilm matrix and release the antibiotic simultaneously, we covalently grafted DspB on three carboxylic permethylated CD derivatives with different-length spacer arms. The strategy was validated by demonstrating that a DspB-permethylated-β-CD/ciprofloxacin-Ad system exhibited efficient antibiofilm activity.
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Affiliation(s)
- Jinan Abdelkader
- Laboratory of Applied Chemistry (LAC), Department of Chemistry, Faculty of Sciences III, Lebanese University Mont Michel, El Koura 826, Lebanon
| | - Magbool Alelyani
- Department of Radiological Sciences, College of Applied Medical Science, King Khalid University, Abha 61421, Saudi Arabia
| | - Yazeed Alashban
- Radiological Sciences Department, College of Applied Medical Sciences, King Saud University, P.O. Box 145111, Riyadh 4545, Saudi Arabia
| | - Sami A Alghamdi
- Radiological Sciences Department, College of Applied Medical Sciences, King Saud University, P.O. Box 145111, Riyadh 4545, Saudi Arabia
| | - Youssef Bakkour
- Department of Radiological Sciences, College of Applied Medical Science, King Khalid University, Abha 61421, Saudi Arabia
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6
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Hibbard T, Nyambura B, Scholes P, Totolici M, Shankland K, Al-Obaidi H. Preparation and Physiochemical Analysis of Novel Ciprofloxacin / Dicarboxylic Acid Salts. J Pharm Sci 2023; 112:195-203. [PMID: 35948159 DOI: 10.1016/j.xphs.2022.08.008] [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: 04/19/2022] [Revised: 07/27/2022] [Accepted: 08/05/2022] [Indexed: 11/18/2022]
Abstract
The crystal structures of four novel dicarboxylic acid salts of ciprofloxacin (CFX) with modified physicochemical properties, prepared by mechanochemical synthesis and solvent crystallization, are reported. A series of dicarboxylic acids of increasing molecular weight was chosen, predicted to interact via a carboxylic acid:secondary amine synthon. These were succinic (SA), glutaric (GA), adipic (AA) and pimelic (PA) acids (4, 5, 6, 7 carbon atoms respectively). Characterized by single crystal and powder X-ray diffraction, Fourier-Transform Infrared Spectroscopy, thermogravimetric analysis, differential scanning calorimetry, scanning electron microscopy and aqueous solubility measurements, these salts showed distinct physicochemical properties relative to ciprofloxacin base. Searches of the Cambridge Structural Database (CSD) confirmed CFX-SA, CFX-GA, CFX-AA and CFX-PA to be novel crystal structures. Furthermore, the GA salt has substantially higher solubility than the widely available hydrochloride monohydrate salt (CFX-HCl·H2O). CFX-SA, CFX-GA and CFX-AA showed minimum inhibitory concentration (MIC) of 0.008 g/L and CFX-PA showed MIC of 0.004 g/L. The prepared CFX salts retained antibacterial activity exhibiting equivalent antimicrobial activity to CFX-HCl·H2O. These salts have positive implications for increasing the application of CFX beyond conventional oral formulations and highlight mechanochemical activation as suitable production method.
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Affiliation(s)
- Thomas Hibbard
- School of Pharmacy, University of Reading, Reading, RG6 6AD, UK
| | | | - Peter Scholes
- Quotient Sciences, 5 Boulton Road, Reading, RG2 0NH, UK
| | | | | | - Hisham Al-Obaidi
- School of Pharmacy, University of Reading, Reading, RG6 6AD, UK.
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7
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Silva D, Lopes MVC, Petrovski Ž, Santos MM, Santos JP, Yamada-Ogatta SF, Bispo MLF, de Souza MVN, Duarte ARC, Lourenço MCS, Gonçalves RSB, Branco LC. Novel Organic Salts Based on Mefloquine: Synthesis, Solubility, Permeability, and In Vitro Activity against Mycobacterium tuberculosis. Molecules 2022; 27:molecules27165167. [PMID: 36014405 PMCID: PMC9412322 DOI: 10.3390/molecules27165167] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 08/03/2022] [Accepted: 08/04/2022] [Indexed: 11/21/2022] Open
Abstract
The development of novel pharmaceutical tools to efficiently tackle tuberculosis is the order of the day due to the rapid development of resistant strains of Mycobacterium tuberculosis. Herein, we report novel potential formulations of a repurposed drug, the antimalarial mefloquine (MFL), which was combined with organic anions as chemical adjuvants. Eight mefloquine organic salts were obtained by ion metathesis reaction between mefloquine hydrochloride ([MFLH][Cl]) and several organic acid sodium salts in high yields. One of the salts, mefloquine mesylate ([MFLH][MsO]), presented increased water solubility in comparison with [MFLH][Cl]. Moreover, all salts with the exception of mefloquine docusate ([MFLH][AOT]) showed improved permeability and diffusion through synthetic membranes. Finally, in vitro activity studies against Mycobacterium tuberculosis revealed that these ionic formulations exhibited up to 1.5-times lower MIC values when compared with [MFLH][Cl], particularly mefloquine camphorsulfonates ([MFLH][(1R)-CSA], [MFLH][(1S)-CSA]) and mefloquine HEPES ([MFLH][HEPES]).
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Affiliation(s)
- Dário Silva
- LAQV-REQUIMTE, Department of Chemistry, NOVA School of Science and Technology, 2829-516 Caparica, Portugal
| | - Márcio V. C. Lopes
- Instituto de Química, Universidade Federal do Rio de Janeiro, Av. Athos da Silveira Ramos 149, Cidade Universitaria, Rio de Janeiro 21941-909, Brazil
| | - Željko Petrovski
- LAQV-REQUIMTE, Department of Chemistry, NOVA School of Science and Technology, 2829-516 Caparica, Portugal
| | - Miguel M. Santos
- LAQV-REQUIMTE, Department of Chemistry, NOVA School of Science and Technology, 2829-516 Caparica, Portugal
| | - Jussevania P. Santos
- Departamento de Microbiologia, Universidade Estadual de Londrina, Rodovia Celso Garcia Cid (PR 445), Km 380, Campus Universitário, Londrina 86057-970, Brazil
| | - Sueli F. Yamada-Ogatta
- Departamento de Microbiologia, Universidade Estadual de Londrina, Rodovia Celso Garcia Cid (PR 445), Km 380, Campus Universitário, Londrina 86057-970, Brazil
| | - Marcelle L. F. Bispo
- Departamento de Microbiologia, Universidade Estadual de Londrina, Rodovia Celso Garcia Cid (PR 445), Km 380, Campus Universitário, Londrina 86057-970, Brazil
| | - Marcus V. N. de Souza
- FioCruz-Fundação Oswaldo Cruz, Instituto de Tecnologia em Fármacos-Far-Manguinhos, Rua Sizenando Nabuco, 100, Manguinhos, Rio de Janeiro 21041-250, Brazil
| | - Ana Rita C. Duarte
- LAQV-REQUIMTE, Department of Chemistry, NOVA School of Science and Technology, 2829-516 Caparica, Portugal
| | - Maria C. S. Lourenço
- Instituto de Pesquisas Clínica Evandro Chagas—IPEC, Av. Brasil, 4365, Manguinhos, Rio de Janeiro 21040-900, Brazil
| | - Raoni Schroeder B. Gonçalves
- Instituto de Química, Universidade Federal do Rio de Janeiro, Av. Athos da Silveira Ramos 149, Cidade Universitaria, Rio de Janeiro 21941-909, Brazil
- Correspondence: (R.S.B.G.); (L.C.B.)
| | - Luis C. Branco
- LAQV-REQUIMTE, Department of Chemistry, NOVA School of Science and Technology, 2829-516 Caparica, Portugal
- Correspondence: (R.S.B.G.); (L.C.B.)
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8
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Faísca F, Correia V, Petrovski Ž, Branco LC, Rebelo-de-Andrade H, Santos MM. Enhanced In Vitro Antiviral Activity of Hydroxychloroquine Ionic Liquids against SARS-CoV-2. Pharmaceutics 2022; 14:pharmaceutics14040877. [PMID: 35456711 PMCID: PMC9031298 DOI: 10.3390/pharmaceutics14040877] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 04/08/2022] [Accepted: 04/12/2022] [Indexed: 11/24/2022] Open
Abstract
The development of effective antiviral drugs against SARS-CoV-2 is urgently needed and a global health priority. In light of the initial data regarding the repurposing of hydroxychloroquine (HCQ) to tackle this coronavirus, herein we present a quantitative synthesis and spectroscopic and thermal characterization of seven HCQ room temperature ionic liquids (HCQ-ILs) obtained by direct protonation of the base with two equivalents of organic sulfonic, sulfuric and carboxylic acids of different polarities. Two non-toxic and hydrophilic HCQ-ILs, in particular, [HCQH2][C1SO3]2 and [HCQH2][GlcCOO]2, decreased the virus-induced cytopathic effect by two-fold in comparison with the original drug, [HCQH2][SO4]. Despite there being no significant differences in viral RNA production between the three compounds, progeny virus production was significantly affected (p < 0.05) by [HCQH2][GlcCOO]2. Overall, the data suggest that the in vitro antiviral activities of the HCQ-ILs are most likely the result of specific intra- and intermolecular interactions and not so much related with their hydrophilic or lipophilic character. This work paves the way for the development of future novel ionic formulations of hydroxychloroquine with enhanced physicochemical properties.
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Affiliation(s)
- Francisco Faísca
- LAQV-REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal; (F.F.); (Ž.P.); (L.C.B.)
| | - Vanessa Correia
- Antiviral Resistance Lab, Research & Development Unit, Infectious Diseases Department, Instituto Nacional de Saúde Doutor Ricardo Jorge, IP, Av. Padre Cruz, 1649-016 Lisboa, Portugal;
| | - Željko Petrovski
- LAQV-REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal; (F.F.); (Ž.P.); (L.C.B.)
| | - Luís C. Branco
- LAQV-REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal; (F.F.); (Ž.P.); (L.C.B.)
| | - Helena Rebelo-de-Andrade
- Antiviral Resistance Lab, Research & Development Unit, Infectious Diseases Department, Instituto Nacional de Saúde Doutor Ricardo Jorge, IP, Av. Padre Cruz, 1649-016 Lisboa, Portugal;
- Host-Pathogen Interaction Unit, Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Av. Professor Gama Pinto, 1649-003 Lisboa, Portugal
- Correspondence: (H.R.-d.-A.); (M.M.S.)
| | - Miguel M. Santos
- LAQV-REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal; (F.F.); (Ž.P.); (L.C.B.)
- Correspondence: (H.R.-d.-A.); (M.M.S.)
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9
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Li W, Hong G, Mao L, Xu Z, Wang J, Wang W, Liu T. Synthesis, antibacterial evaluation and in silico study of DOTA-fluoroquinolone derivatives. Med Chem Res. [DOI: 10.1007/s00044-022-02869-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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10
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Teixeira S, Santos MM, Branco LC, Costa-Rodrigues J. Etidronate-based organic salts and ionic liquids: In vitro effects on bone metabolism. Int J Pharm 2021; 610:121262. [PMID: 34748807 DOI: 10.1016/j.ijpharm.2021.121262] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [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: 05/20/2021] [Revised: 10/30/2021] [Accepted: 10/31/2021] [Indexed: 11/26/2022]
Abstract
Bisphosphonates are a class of drugs widely used for the treatment of several pathologies associated with increased bone resorption. Although displaying low oral bioavailability, these drugs have the ability to accumulate in bone matrix, where the biological effects are exerted. In the present work, four mono- and dianionic Etidronate-based Organic Salts and Ionic Liquids (Eti-OSILs) were developed by combination of this drug with the superbases 1,1,3,3-tetramethylguanidine (TMG) and 1,5-diazabicyclo(4.3.0)non-5-ene (DBN) as cations, aiming to improve not only the physicochemical properties of this seminal bisphosphonate, but also its efficacy in the modulation of cellular behavior, particularly on human osteoclasts and osteoblasts. It was observed that some of the developed compounds, in particular the dianionic ones, presented very high water solubility and diminished or absent polymorphism. Also, several of them appeared to be more cytotoxic against human breast and osteosarcoma cancer cell lines while retaining low toxicity to normal cells. Regarding bone cells, a promotion of an anabolic state was observed for all Eti-OSILs, primarily for the dianionic ones, which leads to an inhibition of osteoclastogenesis and an increase in osteoblastogenesis. The observed effects resulted from differential modulation of intracellular signaling pathways by the Eti-OSILs in comparison with Etidronate. Hence, these results pave the way for the development of more efficient and bioavailable ionic formulations of bisphosphonates aiming to effectively modulate bone metabolism, particularly in the case of increased bone resorption.
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Affiliation(s)
- Sónia Teixeira
- Instituto de Ciências Biomédicas Abel Salazar, R. Jorge de Viterbo Ferreira 228, 4050-313 Porto, Portugal.
| | - Miguel M Santos
- LAQV-REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Campus de Caparica, 2829-516 Caparica, Portugal.
| | - Luís C Branco
- LAQV-REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Campus de Caparica, 2829-516 Caparica, Portugal.
| | - João Costa-Rodrigues
- ESS - Escola Superior de Saúde, Politécnico do Porto, R. Dr. António Bernardino de Almeida 400, 4200-072 Porto, Portugal; Instituto Politécnico de Viana do Castelo, Escola Superior de Saúde, Rua D. Moisés Alves Pinho 190, 4900-314 Viana do Castelo, Portugal; i3S, Instituto de Inovação e Investigação em Saúde, Universidade do Porto, R. Alfredo Allen 208, 4200-135 Porto, Portugal.
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11
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Hamdan II, El-Sabawi D, Darwish R, Dahabiyeh LA. Preparation, characterization and antimicrobial assessment of selected ciprofloxacin salts. Acta Pharm 2021; 71:365-82. [PMID: 36654099 DOI: 10.2478/acph-2021-0028] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 09/18/2020] [Indexed: 02/07/2023]
Abstract
The formation of salts is considered a simple strategy to modify the physicochemical properties of active pharmaceutical ingredients. In this study, seven novel binary and ternary organic salts of ciprofloxacin (CP) were prepared with benzoic acid (BA), acetylsalicylic acid (ASA), p-coumaric acid (PCMA) and p-aminosalicylic acid (PASA). They were characterized by spectroscopic techniques and differential scanning calorimetry. Solubility and partition coefficients values were also measured. Evaluation of the antimicrobial activity of the organic salts against Staphylococcus aureus and Staphylococcus epidermidis revealed that most of the new salts had higher antimicrobial activity than CPHCl against both strains. The most active compounds against S. epidermidis and S. aureus were CP-PASA and CPPCMA, resp., which were up to fourteen times more potent than parent CP-HCl. Our findings indicated a strong correlation between the lipophilicity of the formed salts and their antimicrobial activity and showed that an optimum value of lipophilicity (log P = 0.75) seemed to be necessary to maximize the antimicrobial activity. These findings highlighted the improved physical, thermal and antimicrobial properties of the new salts of CP that can aid in providing higher bioavailability than CP-HCl.
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Abioye A, Naqvi M, Pattni D, Adepoju-Bello AA. Non-intuitive Behavior of Polymer-Ciprofloxacin Nanoconjugate Suspensions: a Tool for Flexible Oral Drug Delivery. AAPS PharmSciTech 2021; 22:229. [PMID: 34467444 DOI: 10.1208/s12249-021-02105-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 07/31/2021] [Indexed: 12/20/2022] Open
Abstract
Ciprofloxacin (CPX) is prone to spontaneous self-aggregation and formation of supramolecular dimers (π - π stacking) due to its complicated surface chemistry which has been associated with its anomalous solubility and instability in aqueous systems particularly near neutral pH. The surface characteristic of ciprofloxacin was modified through non-intuitive counterion interaction between CPX and diethylaminoethyl dextran (DDEX) to form nanoconjugate assembly. The CPX-DDEX nanoconjugate was confirmed by FTIR, SEM, DSC, TGA, and 1H-NMR. The DSC thermograms showed a remarkable 20% reduction in the melting temperature (Tm) of CPX from 268.57±1.11°C to 214.36±1.0211°C and 78% reduction in enthalpy of fusion (ΔHf) from 59.84 kJ/mol (180.59 J/g) to 12.90 kJ/mol (38.92 J/g), indicating increased solubility and dissolution efficiency. DDEX polymer alone exhibited pseudoplastic characteristics however with more viscous rather than elastic response, while the CPX-DDEX nanoconjugate suspensions exhibited remarkable elastic behavior with significantly increased storage modulus (G') thus controlling and extending the release of CPX. The reconstituted freeze-dried CPX-DDEX nanoconjugate suspension was chemically stable throughout the 90-day study both in the refrigerator and at controlled room temperature, while the aqueous suspension of pure CPX without DDEX was only stable for 72 and 24 h, respectively. The dissolution efficiency of the CPX-DDEX nanoconjugate suspensions increased with increasing molar concentration of DDEX to a maximum of 100% at 50 μM of DDEX followed by a remarkable decrease within the 3-week study. It was apparent that the dissolution efficiency was governed by a critical balance between the CPX solubility and the viscoelastic characteristics of the polymeric nanoassembly. This study demonstrates the potential application of polymer-drug nanoconjugation formulation design to stabilization and flexible delivery of CPX from aqueous suspension systems. Graphical abstract.
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de Juan Mora B, Filipe L, Forte A, Santos MM, Alves C, Teodoro F, Pedrosa R, Ribeiro Carrott M, Branco LC, Gago S. Boosting Antimicrobial Activity of Ciprofloxacin by Functionalization of Mesoporous Silica Nanoparticles. Pharmaceutics 2021; 13:pharmaceutics13020218. [PMID: 33562597 PMCID: PMC7914840 DOI: 10.3390/pharmaceutics13020218] [Citation(s) in RCA: 3] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 01/19/2021] [Accepted: 02/01/2021] [Indexed: 12/24/2022] Open
Abstract
Mesoporous silica nanoparticles (MSNs) are very promising nanomaterials for treating bacterial infections when combined with pharmaceutical drugs. Herein, we report the preparation of two nanomaterials based on the immobilization of ciprofloxacin in mesoporous silica nanoparticles, either as the counter-ion of the choline derivative cation (MSN-[Ch][Cip]) or via anchoring on the surface of amino-group modified MSNs via an amide bond (MSN-Cip). Both nanomaterials were characterized by TEM, FTIR and solution 1H NMR spectroscopies, elemental analysis, XRD and N2 adsorption at 77 K in order to provide the desired structures. No cytotoxicity from the prepared mesoporous nanoparticles on 3T3 murine fibroblasts was observed. The antimicrobial activity of the nanomaterials was determined against Gram-positive (Staphylococcus aureus and Bacillus subtilis) and Gram-negative (Klebsiella pneumoniae) bacteria and the results were promising against S. aureus. In the case of B. subtilis, both nanomaterials exhibited higher antimicrobial activity than the precursor [Ch][Cip], and in the case of K. pneumoniae they exhibited higher activity than neutral ciprofloxacin.
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Affiliation(s)
- Blanca de Juan Mora
- LAQV-REQUIMTE, Departamento de Química da Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, Campus da Caparica, 2829-516 Caparica, Portugal; (B.d.J.M.); (L.F.); (A.F.); (M.M.S.)
| | - Luís Filipe
- LAQV-REQUIMTE, Departamento de Química da Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, Campus da Caparica, 2829-516 Caparica, Portugal; (B.d.J.M.); (L.F.); (A.F.); (M.M.S.)
| | - Andreia Forte
- LAQV-REQUIMTE, Departamento de Química da Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, Campus da Caparica, 2829-516 Caparica, Portugal; (B.d.J.M.); (L.F.); (A.F.); (M.M.S.)
| | - Miguel M. Santos
- LAQV-REQUIMTE, Departamento de Química da Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, Campus da Caparica, 2829-516 Caparica, Portugal; (B.d.J.M.); (L.F.); (A.F.); (M.M.S.)
| | - Celso Alves
- MARE—Marine and Environmental Sciences Centre, Politécnico de Leiria, Avenida Porto de Pesca, 2520-630 Peniche, Portugal; (C.A.); (F.T.); (R.P.)
| | - Fernando Teodoro
- MARE—Marine and Environmental Sciences Centre, Politécnico de Leiria, Avenida Porto de Pesca, 2520-630 Peniche, Portugal; (C.A.); (F.T.); (R.P.)
| | - Rui Pedrosa
- MARE—Marine and Environmental Sciences Centre, Politécnico de Leiria, Avenida Porto de Pesca, 2520-630 Peniche, Portugal; (C.A.); (F.T.); (R.P.)
| | - Manuela Ribeiro Carrott
- Centro de Química de Évora, LAQV-REQUIMTE, Instituto de Investigação e Formação Avançada, Departamento de Química, Escola de Ciências e Tecnologia, Colégio Luís António Verney, Universidade de Évora, 7000-671 Évora, Portugal;
| | - Luís C. Branco
- LAQV-REQUIMTE, Departamento de Química da Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, Campus da Caparica, 2829-516 Caparica, Portugal; (B.d.J.M.); (L.F.); (A.F.); (M.M.S.)
- Correspondence: (L.C.B.); (S.G.)
| | - Sandra Gago
- LAQV-REQUIMTE, Departamento de Química da Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, Campus da Caparica, 2829-516 Caparica, Portugal; (B.d.J.M.); (L.F.); (A.F.); (M.M.S.)
- Correspondence: (L.C.B.); (S.G.)
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14
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Liu D, Chen P, Yang X, Wang J. Synthesis and evaluation of bisulfate/mesylate-conjugated chlortetracycline with high solubility and bioavailability. Acta Pharm 2020; 70:483-98. [PMID: 32412434 DOI: 10.2478/acph-2020-0041] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 01/24/2020] [Indexed: 02/06/2023]
Abstract
The aim of this work is to improve the solubility and bioavailability of chlortetracycline and the function of the immune response. Chlortetracycline bisulfate and chlortetracycline mesylate were successfully synthesized and characterized with several techniques, including spectroscopy, chromatography and mass spectrometry, which demonstrated that the C4-dimethylamino group of chlortetracycline can accept a proton from sulfuric acid and methanesulfonic acid to form the corresponding salts. In addition, chlortetracycline bisulfate and chlortetracycline mesylate were more soluble in water than chlortetracycline hydrochloride, but the antibacterial activity was not enhanced. The influences of chlortetracycline hydrochloride, chlortetracycline bisulfate and chlortetracycline mesylate on chlortetracycline and immunoglobulin concentrations in mouse serum were also investigated. These results suggested that the chlortetracycline bisulfate and chlortetracycline mesylate have good bioavailability and strong immune response and have potential applications in animal breeding and formulation technologies.
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15
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Tampucci S, Guazzelli L, Burgalassi S, Carpi S, Chetoni P, Mezzetta A, Nieri P, Polini B, Pomelli CS, Terreni E, Monti D. pH-Responsive Nanostructures Based on Surface Active Fatty Acid-Protic Ionic Liquids for Imiquimod Delivery in Skin Cancer Topical Therapy. Pharmaceutics 2020; 12:pharmaceutics12111078. [PMID: 33187215 PMCID: PMC7697672 DOI: 10.3390/pharmaceutics12111078] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [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: 09/30/2020] [Revised: 11/06/2020] [Accepted: 11/07/2020] [Indexed: 12/12/2022] Open
Abstract
For topical treatment of skin cancer, the design of pH-responsive nanocarriers able to selectively release the drug in the tumor acidic microenvironment represents a reliable option for targeted delivery. In this context, a series of newly synthesized surface-active fatty acid-protic ionic liquids (FA-PILs), based on tetramethylguanidinium cation and different natural hydrophobic fatty acid carboxylates, have been investigated with the aim of developing a pH-sensitive nanostructured drug delivery system for cutaneous administration in the skin cancer therapy. The capability of FA-PILs to arrange in micelles when combined with each other and with the non-ionic surfactant d-α-Tocopherol polyethylene glycol succinate (vitamin E TPGS) as well as their ability to solubilize imiquimod, an immuno-stimulant drug used for the treatment of skin cancerous lesions, have been demonstrated. The FA-PILs-TPGS mixed micelles showed pH-sensitivity, suggesting that the acidic environment of cancer cells can trigger nanostructures’ swelling and collapse with consequent rapid release of imiquimod and drug cytotoxic potential enhancement. The in vitro permeation/penetration study showed that the micellar formulation produced effective imiquimod concentrations into the skin exposed to acid environment, representing a potential efficacious and selective drug delivery system able to trigger the drug release in the tumor tissues, at lower and less irritating drug concentrations.
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Affiliation(s)
- Silvia Tampucci
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56127 Pisa, Italy; (S.B.); (S.C.); (P.C.); (A.M.); (P.N.); (B.P.); (C.S.P.); (E.T.); (D.M.)
- Correspondence: (S.T.); (L.G.)
| | - Lorenzo Guazzelli
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56127 Pisa, Italy; (S.B.); (S.C.); (P.C.); (A.M.); (P.N.); (B.P.); (C.S.P.); (E.T.); (D.M.)
- Correspondence: (S.T.); (L.G.)
| | - Susi Burgalassi
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56127 Pisa, Italy; (S.B.); (S.C.); (P.C.); (A.M.); (P.N.); (B.P.); (C.S.P.); (E.T.); (D.M.)
| | - Sara Carpi
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56127 Pisa, Italy; (S.B.); (S.C.); (P.C.); (A.M.); (P.N.); (B.P.); (C.S.P.); (E.T.); (D.M.)
- NEST, Istituto Nanoscienze-CNR and Scuola Normale Superiore, Piazza San Silvestro 12, 56127 Pisa, Italy
| | - Patrizia Chetoni
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56127 Pisa, Italy; (S.B.); (S.C.); (P.C.); (A.M.); (P.N.); (B.P.); (C.S.P.); (E.T.); (D.M.)
| | - Andrea Mezzetta
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56127 Pisa, Italy; (S.B.); (S.C.); (P.C.); (A.M.); (P.N.); (B.P.); (C.S.P.); (E.T.); (D.M.)
| | - Paola Nieri
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56127 Pisa, Italy; (S.B.); (S.C.); (P.C.); (A.M.); (P.N.); (B.P.); (C.S.P.); (E.T.); (D.M.)
| | - Beatrice Polini
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56127 Pisa, Italy; (S.B.); (S.C.); (P.C.); (A.M.); (P.N.); (B.P.); (C.S.P.); (E.T.); (D.M.)
| | - Christian Silvio Pomelli
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56127 Pisa, Italy; (S.B.); (S.C.); (P.C.); (A.M.); (P.N.); (B.P.); (C.S.P.); (E.T.); (D.M.)
| | - Eleonora Terreni
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56127 Pisa, Italy; (S.B.); (S.C.); (P.C.); (A.M.); (P.N.); (B.P.); (C.S.P.); (E.T.); (D.M.)
| | - Daniela Monti
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56127 Pisa, Italy; (S.B.); (S.C.); (P.C.); (A.M.); (P.N.); (B.P.); (C.S.P.); (E.T.); (D.M.)
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Kirk R, Betson M, Bingham M, Doyle P, Harvey R, Huxley A, Moat J, Pesnot T, Tait M, Hallworth S, Nelson G. Novel C-7 carbon substituted fourth generation fluoroquinolones targeting N. Gonorrhoeae infections. Bioorg Med Chem Lett 2020; 30:127428. [DOI: 10.1016/j.bmcl.2020.127428] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 07/14/2020] [Accepted: 07/19/2020] [Indexed: 10/23/2022]
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Prudêncio C, Vieira M, Van der Auweraer S, Ferraz R. Recycling Old Antibiotics with Ionic Liquids. Antibiotics (Basel) 2020; 9:E578. [PMID: 32899785 DOI: 10.3390/antibiotics9090578] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 09/01/2020] [Accepted: 09/02/2020] [Indexed: 12/12/2022] Open
Abstract
Antibiotics are considered one of the great “miracles” of the 20th century. Now in the 21st century in the post-antibiotic era, the miracle is turning into a nightmare, due to the growing problem of the resistance of microorganisms to classic antimicrobials and the non-investment by the pharmaceutical industry in new antimicrobial agents. Unfortunately, the current COVID-19 pandemic has demonstrated the global risks associated with uncontrolled infections and the various forms of impact that such a pandemic may have on the economy and on social habits besides the associated morbidity and mortality. Therefore, there is an urgent need to recycle classic antibiotics, as is the case in the use of ionic liquids (ILs) based on antibiotics. Thus, the aim of the present review is to summarize the data on ILs, mainly those with antimicrobial action and especially against resistant strains. The main conclusions of this article are that ILs are flexible due to their ability to modulate cations and anions as a salt, making it possible to combine the properties of both and multiplying the activity of separate cations and anions. Also, these compounds have low cost methods of production, which makes it highly attractive to explore them, especially as antimicrobial agents and against resistant strains. ILs may further be combined with other therapeutic strategies, such as phage or lysine therapy, enhancing the therapeutic arsenal needed to fight this worldwide problem of antibacterial resistance. Thus, the use of ILs as antibiotics by themselves or together with phage therapy and lysine therapy are promising alternatives against pathogenic microorganisms, and may have the possibility to be used in new ways in order to restrain uncontrolled infections.
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Rafaque Z, Abid N, Liaqat N, Afridi P, Siddique S, Masood S, Kanwal S, Dasti JI. In-vitro Investigation of Antibiotics Efficacy Against Uropathogenic Escherichia coli Biofilms and Antibiotic Induced Biofilm Formation at Sub-Minimum Inhibitory Concentration of Ciprofloxacin. Infect Drug Resist 2020; 13:2801-2810. [PMID: 32848429 PMCID: PMC7429215 DOI: 10.2147/idr.s258355] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [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: 04/21/2020] [Accepted: 07/16/2020] [Indexed: 01/07/2023] Open
Abstract
Background Community-acquired urinary tract infections are associated with significant morbidity, and uropathogenic Escherichia coli (UPEC) alone causes 90% of urinary tract infections. This bacterium retains a diverse armament of virulence factors including fimbria, hemolysins, and siderophores production. In a post invasion scenario, formation of intracellular communities mimic biofilm-like characteristics and are linked to recurrent urinary tract infections. We investigated the effects of different frontline antibiotics on the formation, inhibition, and eradication of biofilms of virulent UPEC strains. Materials and Methods A total of 155 UPEC strains were scrutinized for various virulence factors including gelatinase, cell surface hydrophobicity, hemagglutination, and serum bactericidal activity. Biofilm formation was confirmed by three different methods: Congo red agar, test tube, and tissue culture plate method. Biofilm inhibition and eradication assays were performed according to the standard protocols. Topographical analysis of biofilms was done by scanning electronic microscopy (SEM). Results Out of 155 strains, 113 (73%) were strong biofilm formesr, while 37 (24%) produced biofilms at moderate level. Significant differences were observed between MICs of planktonic cells (MIC-p) and MICs of UPEC biofilms (MIC-b). Among tested frontline antibiotics, levofloxacin successfully inhibited biofilms at a concentration of 32 µg/mL, while trimethoprim eradicated biofilms at higher concentrations (512–1024 µg/mL). Ciprofloxacin treatment at sub-MIC level significantly enhanced biofilm formation (P<0.05). Conclusion The majority of UPEC strains are strong biofilm formers and show higher tolerance towards frontline antibiotics in biofilm form. We observed significant inhibitory effects of levofloxacin (32 µg/mL) on UPEC biofilms, while treatment with sub-minimal concentrations of ciprofloxacin significantly enhanced biofilm formation. Out of all tested antibiotics, trimethoprim (512–1024 µg/mL) eradicated UPEC biofilms.
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Affiliation(s)
- Zara Rafaque
- Department of Microbiology, Faculty of Life Sciences, University of Central Punjab, Lahore, Pakistan.,Department of Microbiology, Faculty of Biological Sciences, Quaid-I-Azam University, Islamabad 45320, Pakistan
| | - Nasira Abid
- Department of Microbiology, Faculty of Biological Sciences, Quaid-I-Azam University, Islamabad 45320, Pakistan
| | - Nida Liaqat
- Department of Microbiology, Faculty of Biological Sciences, Quaid-I-Azam University, Islamabad 45320, Pakistan
| | - Pashmina Afridi
- Department of Microbiology, Faculty of Biological Sciences, Quaid-I-Azam University, Islamabad 45320, Pakistan.,Department of Allied Health Sciences, Iqra National University, Peshawar, Pakistan
| | - Saima Siddique
- Department of Microbiology, Faculty of Biological Sciences, Quaid-I-Azam University, Islamabad 45320, Pakistan
| | - Safia Masood
- Department of Microbiology, Faculty of Biological Sciences, Quaid-I-Azam University, Islamabad 45320, Pakistan
| | - Sehrish Kanwal
- Department of Microbiology, Faculty of Biological Sciences, Quaid-I-Azam University, Islamabad 45320, Pakistan
| | - Javid Iqbal Dasti
- Department of Microbiology, Faculty of Biological Sciences, Quaid-I-Azam University, Islamabad 45320, Pakistan
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19
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Santos MM, Alves C, Silva J, Florindo C, Costa A, Petrovski Ž, Marrucho IM, Pedrosa R, Branco LC. Antimicrobial Activities of Highly Bioavailable Organic Salts and Ionic Liquids from Fluoroquinolones. Pharmaceutics 2020; 12:pharmaceutics12080694. [PMID: 32717808 PMCID: PMC7464485 DOI: 10.3390/pharmaceutics12080694] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [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: 06/01/2020] [Revised: 06/28/2020] [Accepted: 07/13/2020] [Indexed: 12/16/2022] Open
Abstract
As the development of novel antibiotics has been at a halt for several decades, chemically enhancing existing drugs is a very promising approach to drug development. Herein, we report the preparation of twelve organic salts and ionic liquids (OSILs) from ciprofloxacin and norfloxacin as anions with enhanced antimicrobial activity. Each one of the fluoroquinolones (FQs) was combined with six different organic hydroxide cations in 93-100% yield through a buffer-assisted neutralization methodology. Six of those were isomorphous salts while the remaining six were ionic liquids, with four of them being room temperature ionic liquids. The prepared compounds were not toxic to healthy cell lines and displayed between 47- and 1416-fold more solubility in water at 25 and 37 °C than the original drugs, with the exception of the ones containing the cetylpyridinium cation. In general, the antimicrobial activity against Klebsiella pneumoniae was particularly enhanced for the ciprofloxacin-based OSILs, with up to ca. 20-fold decreases of the inhibitory concentrations in relation to the parent drug, while activity against Staphylococcus aureus and the commensal Bacillus subtilis strain was often reduced. Depending on the cation-drug combination, broad-spectrum or strain-specific antibiotic salts were achieved, potentially leading to the future development of highly bioavailable and safe antimicrobial ionic formulations.
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Affiliation(s)
- Miguel M. Santos
- LAQV-REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal; (A.C.); (Ž.P.)
- Correspondence: (M.M.S.); (R.P.); (L.C.B.)
| | - Celso Alves
- MARE–Marine and Environmental Sciences Centre, ESTM, Instituto Politécnico de Leiria, 2520-641 Peniche, Portugal; (C.A.); (J.S.)
| | - Joana Silva
- MARE–Marine and Environmental Sciences Centre, ESTM, Instituto Politécnico de Leiria, 2520-641 Peniche, Portugal; (C.A.); (J.S.)
| | - Catarina Florindo
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Avenida Rovisco Pais, 1049-001 Lisboa, Portugal; (C.F.); (I.M.M.)
| | - Alexandra Costa
- LAQV-REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal; (A.C.); (Ž.P.)
| | - Željko Petrovski
- LAQV-REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal; (A.C.); (Ž.P.)
| | - Isabel M. Marrucho
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Avenida Rovisco Pais, 1049-001 Lisboa, Portugal; (C.F.); (I.M.M.)
| | - Rui Pedrosa
- MARE–Marine and Environmental Sciences Centre, ESTM, Instituto Politécnico de Leiria, 2520-641 Peniche, Portugal; (C.A.); (J.S.)
- Correspondence: (M.M.S.); (R.P.); (L.C.B.)
| | - Luís C. Branco
- LAQV-REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal; (A.C.); (Ž.P.)
- Correspondence: (M.M.S.); (R.P.); (L.C.B.)
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Teixeira S, Santos MM, Fernandes MH, Costa-Rodrigues J, Branco LC. Alendronic Acid as Ionic Liquid: New Perspective on Osteosarcoma. Pharmaceutics 2020; 12:pharmaceutics12030293. [PMID: 32213930 PMCID: PMC7151258 DOI: 10.3390/pharmaceutics12030293] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [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: 12/31/2019] [Revised: 03/16/2020] [Accepted: 03/16/2020] [Indexed: 12/15/2022] Open
Abstract
Herein the quantitative synthesis of eight new mono- and dianionic Organic Salts and Ionic Liquids (OSILs) from alendronic acid (ALN) is reported by following two distinct sustainable and straightforward methodologies, according to the type of cation. The prepared ALN-OSILs were characterized by spectroscopic techniques and their solubility in water and biological fluids was determined. An evaluation of the toxicity towards human healthy cells and also human breast, lung and bone (osteosarcoma) cell lines was performed. Globally, it was observed that the monoanionic OSILs showed lower toxicity than the corresponding dianionic structures to all cell types. The highest cytotoxic effect was observed in OSILs containing a [C2OHMIM] cation, in particular [C2OHMIM][ALN]. The latter showed an improvement in IC50 values of ca. three orders of magnitude for the lung and bone cancer cell lines as well as fibroblasts in comparison with ALN. The development of OSILs with high cytotoxicity effect towards the tested cancer cell types, and containing an anti-resorbing molecule such as ALN may represent a promising strategy for the development of new pharmacological tools to be used in those pathological conditions.
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Affiliation(s)
- Sónia Teixeira
- Faculdade de Medicina Dentária, U. Porto, Rua Dr. Manuel Pereira da Silva, 4200-393 Porto, Portugal; (S.T.); (M.H.F.); (J.C.-R.)
| | - Miguel M. Santos
- LAQV-REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal;
| | - Maria H. Fernandes
- Faculdade de Medicina Dentária, U. Porto, Rua Dr. Manuel Pereira da Silva, 4200-393 Porto, Portugal; (S.T.); (M.H.F.); (J.C.-R.)
- UCIBIO-REQUIMTE, Departamento de Química, Faculdade de Ciências, Universidade do Porto, 4169-007 Porto, Portugal
| | - João Costa-Rodrigues
- Faculdade de Medicina Dentária, U. Porto, Rua Dr. Manuel Pereira da Silva, 4200-393 Porto, Portugal; (S.T.); (M.H.F.); (J.C.-R.)
- ESS—Escola Superior de Saúde, Instituto Politécnico do Porto, R. Dr. António Bernardino de Almeida 400, 4200-072 Porto, Portugal
- Instituto Politécnico de Viana do Castelo, Escola Superior de Saúde, Rua D. Moisés Alves Pinho 190, 4900-314 Viana do Castelo, Portugal
| | - Luís C. Branco
- LAQV-REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal;
- Correspondence:
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21
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Ferraz R, Silva D, Dias AR, Dias V, Santos MM, Pinheiro L, Prudêncio C, Noronha JP, Petrovski Ž, Branco LC. Synthesis and Antibacterial Activity of Ionic Liquids and Organic Salts Based on Penicillin G and Amoxicillin hydrolysate Derivatives against Resistant Bacteria. Pharmaceutics 2020; 12:pharmaceutics12030221. [PMID: 32131540 PMCID: PMC7150922 DOI: 10.3390/pharmaceutics12030221] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [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: 12/31/2019] [Revised: 02/19/2020] [Accepted: 02/19/2020] [Indexed: 12/21/2022] Open
Abstract
The preparation and characterization of ionic liquids and organic salts (OSILs) that contain anionic penicillin G [secoPen] and amoxicillin [seco-Amx] hydrolysate derivatives and their in vitro antibacterial activity against sensitive and resistant Escherichia coli and Staphylococcus aureus strains is reported. Eleven hydrolyzed β-lactam-OSILs were obtained after precipitation in moderate-to-high yields via the neutralization of the basic ammonia buffer of antibiotics with different cation hydroxide salts. The obtained minimum inhibitory concentration (MIC) data of the prepared compounds showed a relative decrease of the inhibitory concentrations (RDIC) in the order of 100 in the case of [C2OHMIM][seco-Pen] against sensitive S. aureus ATCC25923 and, most strikingly, higher than 1000 with [C16Pyr][seco-Amx] against methicillin-resistant Staphylococcus aureus (MRSA) ATCC 43300. These outstanding in vitro results showcase that a straightforward transformation of standard antibiotics into hydrolyzed organic salts can dramatically change the pharmaceutical activity of a drug, including giving rise to potent formulations of antibiotics against deadly bacteria strains.
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Affiliation(s)
- Ricardo Ferraz
- Ciências Químicas e das Biomoléculas (CQB) e Centro de Investigação em Saúde e Ambiente (CISA), Escola Superior de Saúde do Instituto Politécnico do Porto, 4400-330 Porto, Portugal; (A.R.D.); (V.D.); (C.P.)
- LAQV-REQUIMTE, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre 687, 4169-007 Porto, Portugal
- Correspondence: (R.F.); (Ž.P.); (L.C.B.)
| | - Dário Silva
- LAQV-REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa, 2829-516 Caparica, Portugal; (D.S.); (M.M.S.); (L.P.); (J.P.N.)
| | - Ana Rita Dias
- Ciências Químicas e das Biomoléculas (CQB) e Centro de Investigação em Saúde e Ambiente (CISA), Escola Superior de Saúde do Instituto Politécnico do Porto, 4400-330 Porto, Portugal; (A.R.D.); (V.D.); (C.P.)
- LAQV-REQUIMTE, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre 687, 4169-007 Porto, Portugal
| | - Vitorino Dias
- Ciências Químicas e das Biomoléculas (CQB) e Centro de Investigação em Saúde e Ambiente (CISA), Escola Superior de Saúde do Instituto Politécnico do Porto, 4400-330 Porto, Portugal; (A.R.D.); (V.D.); (C.P.)
| | - Miguel M. Santos
- LAQV-REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa, 2829-516 Caparica, Portugal; (D.S.); (M.M.S.); (L.P.); (J.P.N.)
| | - Luís Pinheiro
- LAQV-REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa, 2829-516 Caparica, Portugal; (D.S.); (M.M.S.); (L.P.); (J.P.N.)
| | - Cristina Prudêncio
- Ciências Químicas e das Biomoléculas (CQB) e Centro de Investigação em Saúde e Ambiente (CISA), Escola Superior de Saúde do Instituto Politécnico do Porto, 4400-330 Porto, Portugal; (A.R.D.); (V.D.); (C.P.)
- i3S, Instituto de Inovação e Investigação em Saúde, Universidade do Porto, 4099-002 Porto, Portugal
| | - João Paulo Noronha
- LAQV-REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa, 2829-516 Caparica, Portugal; (D.S.); (M.M.S.); (L.P.); (J.P.N.)
| | - Željko Petrovski
- LAQV-REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa, 2829-516 Caparica, Portugal; (D.S.); (M.M.S.); (L.P.); (J.P.N.)
- Correspondence: (R.F.); (Ž.P.); (L.C.B.)
| | - Luís C. Branco
- LAQV-REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa, 2829-516 Caparica, Portugal; (D.S.); (M.M.S.); (L.P.); (J.P.N.)
- Correspondence: (R.F.); (Ž.P.); (L.C.B.)
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Teixeira S, Santos MM, Ferraz R, Prudêncio C, Fernandes MH, Costa-Rodrigues J, Branco LC. A Novel Approach for Bisphosphonates: Ionic Liquids and Organic Salts from Zoledronic Acid. ChemMedChem 2019; 14:1767-1770. [PMID: 31603287 DOI: 10.1002/cmdc.201900397] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [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: 07/02/2019] [Revised: 08/27/2019] [Indexed: 11/06/2022]
Abstract
Novel ionic liquids and organic salts based on mono- or dianionic zoledronate and protonated superbases, choline and n-alkylmethylimidazolium cations, were prepared and characterized by spectroscopic and thermal analyses. Most of the prepared salts display amorphous structures and very high solubility in water and saline solutions, especially the dianionic salts. Among the zoledronate-based ionic compounds, those containing choline [Ch] and methoxyethylmethylimidazolium [C3 OMIM] cations appear to have significant cytotoxicity against human osteosarcoma cells (MG63) and low toxicity toward healthy skin fibroblast cells. Because osteosarcoma is a bone pathology characterized by an increase in bone turnover rate, the results presented herein may be a promising starting point for the development of new ionic pharmaceutical drugs against osteosarcoma.
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Affiliation(s)
- Sónia Teixeira
- Faculdade de Medicina Dentária, Universidade do Porto, Rua Dr. Manuel Pereira da Silva, Porto, Portugal.,Department of Chemistry, LAQV-REQUIMTE, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Campus de Caparica, Caparica, Portugal
| | - Miguel M Santos
- Department of Chemistry, LAQV-REQUIMTE, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Campus de Caparica, Caparica, Portugal
| | - Ricardo Ferraz
- Ciências Químicas e das Biomoléculas/Centro de Investigação em Saúde e Ambiente (CISA), ESS-Escola Superior de Saú de do Porto do Instituto Politécnico do Porto, Porto, Portugal.,LAQV-REQUIMTE, Faculdade de Ciências, Universidade do Porto, Porto, Portugal
| | - Cristina Prudêncio
- Ciências Químicas e das Biomoléculas/Centro de Investigação em Saúde e Ambiente (CISA), ESS-Escola Superior de Saú de do Porto do Instituto Politécnico do Porto, Porto, Portugal.,ESS-Escola Superior de Saúde, Porto, Portugal
| | - Maria H Fernandes
- Faculdade de Medicina Dentária, Universidade do Porto, Rua Dr. Manuel Pereira da Silva, Porto, Portugal.,Chemistry Department, UCIBIO-REQUIMTE, Faculdade de Ciências, Universidade do Porto, Porto, Portugal
| | - João Costa-Rodrigues
- Faculdade de Medicina Dentária, Universidade do Porto, Rua Dr. Manuel Pereira da Silva, Porto, Portugal.,ESS-Escola Superior de Saúde, Porto, Portugal.,Instituto Politécnico de Viana do Castelo, Escola Superior de Saúde, Porto, Portugal
| | - Luís C Branco
- Department of Chemistry, LAQV-REQUIMTE, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Campus de Caparica, Caparica, Portugal
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23
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Gajdács M. The Continuing Threat of Methicillin-Resistant Staphylococcus aureus. Antibiotics (Basel) 2019; 8:E52. [PMID: 31052511 DOI: 10.3390/antibiotics8020052] [Citation(s) in RCA: 148] [Impact Index Per Article: 29.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Revised: 04/28/2019] [Accepted: 04/29/2019] [Indexed: 02/06/2023] Open
Abstract
Staphylococcus aureus has been an exceptionally successful pathogen, which is still relevant in modern age-medicine due to its adaptability and tenacity. This bacterium may be a causative agent in a plethora of infections, owing to its abundance (in the environment and in the normal flora) and the variety of virulence factors that it possesses. Methicillin-resistant S. aureus (MRSA) strains—first described in 1961—are characterized by an altered penicillin-binding protein (PBP2a/c) and resistance to all penicillins, cephalosporins, and carbapenems, which makes the β-lactam armamentarium clinically ineffective. The acquisition of additional resistance determinants further complicates their eradication; therefore, MRSA can be considered as the first representative of multidrug-resistant bacteria. Based on 230 references, the aim of this review is to recap the history, the emergence, and clinical features of various MRSA infections (hospital-, community-, and livestock-associated), and to summarize the current advances regarding MRSA screening, typing, and therapeutic options (including lipoglycopeptides, oxazolidinones, anti-MRSA cephalosporins, novel pleuromutilin-, tetracycline- and quinolone-derivatives, daptomycin, fusidic acid, in addition to drug candidates in the development phase), both for an audience of clinical microbiologists and infectious disease specialists.
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24
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Santos MM, Raposo LR, Carrera GVSM, Costa A, Dionísio M, Baptista PV, Fernandes AR, Branco LC. Ionic Liquids and Salts from Ibuprofen as Promising Innovative Formulations of an Old Drug. ChemMedChem 2019; 14:907-911. [DOI: 10.1002/cmdc.201900040] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2019] [Indexed: 01/28/2023]
Affiliation(s)
- Miguel M. Santos
- LAQV-REQUIMTEChemistry Department, Faculdade de Ciências e TecnologiaUniversidade NOVA de Lisboa Campus de Caparica Lisboa Portugal
| | - Luís R. Raposo
- UCIBIOLife Sciences Department, Faculdade de Ciências e TecnologiaUniversidade NOVA de Lisboa Campus de Caparica Lisboa Portugal
| | - Gonçalo V. S. M. Carrera
- LAQV-REQUIMTEChemistry Department, Faculdade de Ciências e TecnologiaUniversidade NOVA de Lisboa Campus de Caparica Lisboa Portugal
| | - Alexandra Costa
- LAQV-REQUIMTEChemistry Department, Faculdade de Ciências e TecnologiaUniversidade NOVA de Lisboa Campus de Caparica Lisboa Portugal
| | - Madalena Dionísio
- LAQV-REQUIMTEChemistry Department, Faculdade de Ciências e TecnologiaUniversidade NOVA de Lisboa Campus de Caparica Lisboa Portugal
| | - Pedro V. Baptista
- UCIBIOLife Sciences Department, Faculdade de Ciências e TecnologiaUniversidade NOVA de Lisboa Campus de Caparica Lisboa Portugal
| | - Alexandra R. Fernandes
- UCIBIOLife Sciences Department, Faculdade de Ciências e TecnologiaUniversidade NOVA de Lisboa Campus de Caparica Lisboa Portugal
| | - Luís C. Branco
- LAQV-REQUIMTEChemistry Department, Faculdade de Ciências e TecnologiaUniversidade NOVA de Lisboa Campus de Caparica Lisboa Portugal
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25
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Amin M, Abbas NS, Hussain MA, Sher M, Edgar KJ. Design of cellulose ether-based macromolecular prodrugs of ciprofloxacin for extended release and enhanced bioavailability. Int J Biol Macromol 2018; 113:719-28. [DOI: 10.1016/j.ijbiomac.2018.02.142] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2018] [Revised: 02/13/2018] [Accepted: 02/22/2018] [Indexed: 11/18/2022]
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Surov AO, Voronin AP, Drozd KV, Churakov AV, Roussel P, Perlovich GL. Diversity of crystal structures and physicochemical properties of ciprofloxacin and norfloxacin salts with fumaric acid. CrystEngComm 2018. [DOI: 10.1039/c7ce02033c] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The crystallization of norfloxacin and ciprofloxacin – antibacterial fluoroquinolone compounds – with fumaric acid resulted in the isolation of six distinct solid forms of the drugs with different stoichiometries and hydration levels.
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Affiliation(s)
- Artem O. Surov
- Institution of the Russian Academy of Sciences
- G.A. Krestov Institute of Solution Chemistry RAS
- Ivanovo
- Russia
| | - Alexander P. Voronin
- Institution of the Russian Academy of Sciences
- G.A. Krestov Institute of Solution Chemistry RAS
- Ivanovo
- Russia
| | - Ksenia V. Drozd
- Institution of the Russian Academy of Sciences
- G.A. Krestov Institute of Solution Chemistry RAS
- Ivanovo
- Russia
| | | | - Pascal Roussel
- UCCS UMR 8181 University des Sciences et Technologies de Lille-1
- Lille
- France
| | - German L. Perlovich
- Institution of the Russian Academy of Sciences
- G.A. Krestov Institute of Solution Chemistry RAS
- Ivanovo
- Russia
- Department of Chemistry
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27
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Piplani M, Rajak H, Sharma PC. Synthesis and characterization of N-Mannich based prodrugs of ciprofloxacin and norfloxacin: In vitro anthelmintic and cytotoxic evaluation. J Adv Res 2017; 8:463-470. [PMID: 28721301 PMCID: PMC5491463 DOI: 10.1016/j.jare.2017.06.003] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [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: 03/27/2017] [Revised: 06/10/2017] [Accepted: 06/10/2017] [Indexed: 12/02/2022] Open
Abstract
Prodrugs, the inert derivatives of existing drugs have successfully contributed to the modification of their physicochemical properties. The improved antimicrobial potential due to enhanced lipophilicity of some of the synthesized prodrugs of antibacterial agents by various schemes has already been reported. In the current study, synthesis, characterization, and biological evaluation of some more lipid based prodrugs/compounds of ciprofloxacin and norfloxacin has been carried out. The synthesized prodrugs/compounds have been screened for anthelmintic activity using Indian earthworms and cytotoxic activity against human lung cancer cell lines A-549 employing sulforhodamine B (SRB) assay method. The prodrugs FQF1, 6b, 6c, and 6k were found to possess promising anthelmintic activity due to improved partition coefficient. Growth of selected cells lines was found to decrease with increase in concentration of prodrugs as compared to parent drug. Prodrug, 6k having GI50 value 28.8, has been proved to be the most active among all the synthesized prodrugs. Results of present investigation reveal that some of the synthesized prodrugs/compounds were found to possess promising biological activity.
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Affiliation(s)
- Mona Piplani
- Institute of Pharmaceutical Sciences, Kurukshetra University, Kurukshetra 136119, India
| | - Harish Rajak
- SLT Institute of Pharmaceutical Sciences, Guru Ghasidas University, Bilaspur (C.G.) 495009, India
| | - Prabodh Chander Sharma
- Institute of Pharmaceutical Sciences, Kurukshetra University, Kurukshetra 136119, India
- Corresponding author.
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28
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Abstract
Ciprofloxacin (CIP) is a poorly soluble drug that also displays poor permeability. Attempts to improve the solubility of this drug to date have largely focused on the formation of crystalline salts and metal complexes. The aim of this study was to prepare amorphous solid dispersions (ASDs) by ball milling CIP with various polymers. Following examination of their solid state characteristics and physical stability, the solubility advantage of these ASDs was studied, and their permeability was investigated via parallel artificial membrane permeability assay (PAMPA). Finally, the minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of the ASDs were compared to those of CIP. It was discovered that acidic polymers, such as Eudragit L100, Eudragit L100-55, Carbopol, and HPMCAS, were necessary for the amorphization of CIP. In each case, the positively charged secondary amine of CIP was found to interact with carboxylate groups in the polymers, forming amorphous polymeric drug salts. Although the ASDs began to crystallize within days under accelerated stability conditions, they remained fully X-ray amorphous following exposure to 90% RH at 25 °C, and demonstrated higher than predicted glass transition temperatures. The solubility of CIP in water and simulated intestinal fluid was also increased by all of the ASDs studied. Unlike a number of other solubility enhancing formulations, the ASDs did not decrease the permeability of the drug. Similarly, no decrease in antibiotic efficacy was observed, and significant improvements in the MIC and MBC of CIP were obtained with ASDs containing HPMCAS-LG and HPMCAS-MG. Therefore, ASDs may be a viable alternative for formulating CIP with improved solubility, bioavailability, and antimicrobial activity.
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Affiliation(s)
- Hanah Mesallati
- Synthesis and Solid State Pharmaceutical Centre, School of Pharmacy and Pharmaceutical Sciences, Trinity College Dublin , College Green, Dublin 2, Ireland
| | - Anita Umerska
- MINT, UNIV Angers, INSERM 1066, CNRS 6021, Universite Bretagne Loire , 4 rue Larrey, Angers 49933 Cedex, France
| | - Krzysztof J Paluch
- School of Pharmacy and Medical Sciences, Faculty of Life Sciences, University of Bradford , Bradford, West Yorkshire, BD7 1DP, United Kingdom
| | - Lidia Tajber
- Synthesis and Solid State Pharmaceutical Centre, School of Pharmacy and Pharmaceutical Sciences, Trinity College Dublin , College Green, Dublin 2, Ireland
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Azevedo AM, Costa SP, Dias AF, Marques AH, Pinto PC, Bica K, Ressmann AK, Passos ML, Araújo AR, Reis S, Saraiva MLM. Anti-inflammatory choline based ionic liquids: Insights into their lipophilicity, solubility and toxicity parameters. J Mol Liq 2017. [DOI: 10.1016/j.molliq.2017.02.027] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Carrera GVSM, Santos MM, Costa A, Rebelo LPN, Marrucho IM, Nunes da Ponte M, Branco LC. Highly water soluble room temperature superionic liquids of APIs. NEW J CHEM 2017. [DOI: 10.1039/c7nj01398a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Herein a straightforward approach for the enhancement of the water solubility of common antibiotic and NSAID active pharmaceutical ingredients (APIs) is presented.
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Affiliation(s)
- Gonçalo V. S. M. Carrera
- LAQV-REQUIMTE
- Departamento de Química
- Faculdade de Ciências e Tecnologia
- Universidade Nova de Lisboa
- 2829-516 Caparica
| | - Miguel M. Santos
- LAQV-REQUIMTE
- Departamento de Química
- Faculdade de Ciências e Tecnologia
- Universidade Nova de Lisboa
- 2829-516 Caparica
| | - Alexandra Costa
- LAQV-REQUIMTE
- Departamento de Química
- Faculdade de Ciências e Tecnologia
- Universidade Nova de Lisboa
- 2829-516 Caparica
| | - Luis Paulo N. Rebelo
- LAQV-REQUIMTE
- Departamento de Química
- Faculdade de Ciências e Tecnologia
- Universidade Nova de Lisboa
- 2829-516 Caparica
| | - Isabel M. Marrucho
- Instituto de Tecnologia Química e Biológica
- Universidade Nova de Lisboa
- Avenida da República
- Estação Agronómica Nacional
- Oeiras
| | - M. Nunes da Ponte
- LAQV-REQUIMTE
- Departamento de Química
- Faculdade de Ciências e Tecnologia
- Universidade Nova de Lisboa
- 2829-516 Caparica
| | - Luis C. Branco
- LAQV-REQUIMTE
- Departamento de Química
- Faculdade de Ciências e Tecnologia
- Universidade Nova de Lisboa
- 2829-516 Caparica
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31
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Blokhina SV, Sharapova AV, Ol'khovich MV, Volkova ТV, Perlovich GL. Solubility, lipophilicity and membrane permeability of some fluoroquinolone antimicrobials. Eur J Pharm Sci 2016; 93:29-37. [DOI: 10.1016/j.ejps.2016.07.016] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Revised: 07/21/2016] [Accepted: 07/23/2016] [Indexed: 12/22/2022]
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32
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Ferraz R, Noronha J, Murtinheira F, Nogueira F, Machado M, Prudêncio M, Parapini S, D'Alessandro S, Teixeira C, Gomes A, Prudêncio C, Gomes P. Primaquine-based ionic liquids as a novel class of antimalarial hits. RSC Adv 2016. [DOI: 10.1039/c6ra10759a] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Ionic liquids derived from active pharmaceutical ingredients may open new perspectives towards low-cost rescuing of classical antimalarial drugs.
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33
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Surov AO, Manin AN, Voronin AP, Drozd KV, Simagina AA, Churakov AV, Perlovich GL. Pharmaceutical salts of ciprofloxacin with dicarboxylic acids. Eur J Pharm Sci 2015; 77:112-21. [DOI: 10.1016/j.ejps.2015.06.004] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2015] [Revised: 05/20/2015] [Accepted: 06/08/2015] [Indexed: 12/11/2022]
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