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Bobrowska K, Sadowska K, Stolarczyk K, Prześniak-Welenc M, Golec P, Bilewicz R. Bovine Serum Albumin - Hydroxyapatite Nanoflowers as Potential Local Drug Delivery System of Ciprofloxacin. Int J Nanomedicine 2023; 18:6449-6467. [PMID: 38026518 PMCID: PMC10640833 DOI: 10.2147/ijn.s427258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 10/05/2023] [Indexed: 12/01/2023] Open
Abstract
Introduction Hybrid nanoflowers are structures consisting of organic (enzymes, proteins, nucleic acids) and inorganic components (mostly metal phosphates) with a flower-like hierarchical structure. Novel hybrid nanoflowers based on bovine serum albumin (BSA) and hydroxyapatite (HA) were obtained and characterized. Study on BSA-HA nanoflowers as potential drug delivery system is reported for the first time. Methods Embedding ciprofloxacin in the structure of hybrid nanoflowers was confirmed by ATR-FTIR and thermogravimetric analysis. The inorganic phase of the nanoflowers was determined by X-ray diffraction. UV‒Vis spectroscopy was used to evaluate the release profiles of ciprofloxacin from nanoflowers in buffer solutions at pH 7.4 and 5. The agar disk diffusion method was used to study the antibacterial activity of the synthesized nanoflowers against Staphylococcus aureus and Pseudomonas aeruginosa. Results Bovine serum albumin - hydroxyapatite nanoflowers were obtained with diameters of ca. 1-2 µm. The kinetics of ciprofloxacin release from nanoflowers were described by the Korsmeyer-Peppas model. The antibacterial activity of the synthesized nanoflowers was demonstrated against S. aureus and P. aeruginosa, two main pathogens found in osteomyelitis. Conclusion The formulated nanoflowers may act as an efficient local antibiotic delivery system. Due to the use of nonhazardous, biodegradable components and benign synthesis, hybrid nanoflowers are very promising drug delivery systems that could be applied in the treatment of skeletal system infections.
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Affiliation(s)
- Kornelia Bobrowska
- Nalecz Institute of Biocybernetics and Biomedical Engineering, Polish Academy of Sciences, Warsaw, Poland
| | - Kamila Sadowska
- Nalecz Institute of Biocybernetics and Biomedical Engineering, Polish Academy of Sciences, Warsaw, Poland
| | | | - Marta Prześniak-Welenc
- Institute of Nanotechnology and Materials Engineering, and Advanced Materials Centre, Gdansk University of Technology, Gdansk, Poland
| | - Piotr Golec
- Department of Molecular Virology, Institute of Microbiology, Faculty of Biology, University of Warsaw, Warsaw, Poland
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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] [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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Stepanova M, Averianov I, Gofman I, Shevchenko N, Rubinstein A, Egorova T, Trulioff A, Nashchekina Y, Kudryavtsev I, Demyanova E, Korzhikova-Vlakh E, Korzhikov-Vlakh V. Drug Loaded 3D-Printed Poly(ε-Caprolactone) Scaffolds for Local Antibacterial or Anti-Inflammatory Treatment in Bone Regeneration. Polymers (Basel) 2023; 15:3957. [PMID: 37836006 PMCID: PMC10575412 DOI: 10.3390/polym15193957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Revised: 09/23/2023] [Accepted: 09/27/2023] [Indexed: 10/15/2023] Open
Abstract
Annual bone grafting surgeries due to bone fractures, resections of affected bones, skeletal anomalies, osteoporosis, etc. exceed two million worldwide. In this regard, the creation of new materials for bone tissue repair is one of the urgent tasks of modern medicine. Additive manufacturing, or 3D printing, offers great opportunities for the development of materials with diverse properties and designs. In this study, the one-pot technique for the production of 3D scaffolds based on poly(ε-caprolactone) (PCL) loaded with an antibiotic or anti-inflammatory drug was proposed. In contrast to previously described methods to prepare drug-containing scaffolds, drug-loaded PCL scaffolds were prepared by direct 3D printing from a polymer/drug blend. An investigation of the mechanical properties of 3D-printed scaffolds containing 0.5-5 wt% ciprofloxacin (CIP) or dexamethasone (DEX) showed almost no effect of the drug (compression modulus ~70-90 MPa) compared to unfilled PCL (74 MPa). At the same time, introducing the drug and increasing its content in the PCL matrix contributed to a 1.8-6.8-fold decrease in the specific surface area of the scaffold, depending on composition. The release of CIP and DEX in phosphate buffer solution and in the same buffer containing lipase revealed a faster release in enzyme-containing medium within 45 days. Furthermore, drug release was more intensive from scaffolds with a low drug load. Analysis of the release profiles using a number of mathematical dissolution models led to the conclusion that diffusion dominates over other probable factors. In vitro biological evaluation of the scaffolds containing DEX showed moderate toxicity against osteoblast-like and leukemia monocytic cells. Being 3D-printed together with PCL both drugs retain their biological activity. PCL/CIP and PCL/DEX scaffolds demonstrated antibacterial properties against Pseudomonas aeruginosa (a total inhibition after 48 h) and anti-inflammatory activity in experiments on TNFα-activated monocyte cells (a 4-time reduction in CD-54 expression relative to control), respectively.
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Affiliation(s)
- Mariia Stepanova
- Institute of Macromolecular Compounds, Russian Academy of Sciences, 199004 St. Petersburg, Russia; (M.S.); (I.A.); (I.G.); (N.S.); (E.K.-V.)
| | - Ilia Averianov
- Institute of Macromolecular Compounds, Russian Academy of Sciences, 199004 St. Petersburg, Russia; (M.S.); (I.A.); (I.G.); (N.S.); (E.K.-V.)
| | - Iosif Gofman
- Institute of Macromolecular Compounds, Russian Academy of Sciences, 199004 St. Petersburg, Russia; (M.S.); (I.A.); (I.G.); (N.S.); (E.K.-V.)
| | - Natalia Shevchenko
- Institute of Macromolecular Compounds, Russian Academy of Sciences, 199004 St. Petersburg, Russia; (M.S.); (I.A.); (I.G.); (N.S.); (E.K.-V.)
| | - Artem Rubinstein
- Institute of Experimental Medicine, 197376 St. Petersburg, Russia; (A.R.); (A.T.); (I.K.)
| | - Tatiana Egorova
- State Research Institute of Highly Pure Biopreparations FMBA of Russia, 197110 St. Petersburg, Russia; (T.E.); (E.D.)
| | - Andrey Trulioff
- Institute of Experimental Medicine, 197376 St. Petersburg, Russia; (A.R.); (A.T.); (I.K.)
| | - Yulia Nashchekina
- Institute of Cytology, Russian Academy of Sciences, 194064 St. Petersburg, Russia;
| | - Igor Kudryavtsev
- Institute of Experimental Medicine, 197376 St. Petersburg, Russia; (A.R.); (A.T.); (I.K.)
- School of Biomedicine, Far Eastern Federal University, 10 Ajax Bay, Russky Island, 690922 Vladivostok, Russia
| | - Elena Demyanova
- State Research Institute of Highly Pure Biopreparations FMBA of Russia, 197110 St. Petersburg, Russia; (T.E.); (E.D.)
| | - Evgenia Korzhikova-Vlakh
- Institute of Macromolecular Compounds, Russian Academy of Sciences, 199004 St. Petersburg, Russia; (M.S.); (I.A.); (I.G.); (N.S.); (E.K.-V.)
| | - Viktor Korzhikov-Vlakh
- Institute of Macromolecular Compounds, Russian Academy of Sciences, 199004 St. Petersburg, Russia; (M.S.); (I.A.); (I.G.); (N.S.); (E.K.-V.)
- Institute of Chemistry, Saint-Petersburg State University, 198504 St. Petersburg, Russia
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Fluoroquinolones Hybrid Molecules as Promising Antibacterial Agents in the Fight against Antibacterial Resistance. Pharmaceutics 2022; 14:pharmaceutics14081749. [PMID: 36015376 PMCID: PMC9414178 DOI: 10.3390/pharmaceutics14081749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 08/12/2022] [Accepted: 08/14/2022] [Indexed: 11/17/2022] Open
Abstract
The emergence of bacterial resistance has motivated researchers to discover new antibacterial agents. Nowadays, fluoroquinolones keep their status as one of the essential classes of antibacterial agents. The new generations of fluoroquinolones are valuable therapeutic tools with a spectrum of activity, including Gram-positive, Gram-negative, and atypical bacteria. This review article surveys the design of fluoroquinolone hybrids with other antibacterial agents or active compounds and underlines the new hybrids' antibacterial properties. Antibiotic fluoroquinolone hybrids have several advantages over combined antibiotic therapy. Thus, some challenges related to joining two different molecules are under study. Structurally, the obtained hybrids may contain a cleavable or non-cleavable linker, an essential element for their pharmacokinetic properties and mechanism of action. The design of hybrids seems to provide promising antibacterial agents helpful in the fight against more virulent and resistant strains. These hybrid structures have proven superior antibacterial activity and less susceptibility to bacterial resistance than the component molecules. In addition, fluoroquinolone hybrids have demonstrated other biological effects such as anti-HIV, antifungal, antiplasmodic/antimalarial, and antitumor activity. Many fluoroquinolone hybrids are in various phases of clinical trials, raising hopes that new antibacterial agents will be approved shortly.
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