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Degli Esposti L, Ionescu AC, Gandolfi S, Ilie N, Adamiano A, Brambilla E, Iafisco M. Natural, biphasic calcium phosphate from fish bones for enamel remineralization and dentin tubules occlusion. Dent Mater 2024; 40:593-607. [PMID: 38365457 DOI: 10.1016/j.dental.2024.02.019] [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: 10/23/2023] [Revised: 02/02/2024] [Accepted: 02/12/2024] [Indexed: 02/18/2024]
Abstract
OBJECTIVES A calcium phosphate extracted from fish bones (CaP-N) was evaluated for enamel remineralization and dentinal tubules occlusion. METHODS CaP-N was characterized by assessing morphology by SEM, crystallinity by PXRD, and composition by ICP-OES. CaP-N morphology, crystallinity, ion release, and pH changes over time in neutral and acidic solutions were studied. CaP-N was then tested to assess remineralization and dentinal tubules occlusion on demineralized human enamel and dentin specimens (n = 6). Synthetic calcium phosphate in form of stoichiometric hydroxyapatite nanoparticles (CaP-S) and tap water were positive and negative controls, respectively. After treatment (brush every 12 h for 5d and storage in Dulbecco's modified PBS), specimens' morphology and surface composition were assessed (by SEM-EDS), while the viscoelastic behavior was evaluated with microindentation and DMA. RESULTS CaP-N consisted of rounded microparticles (200 nm - 1 µm) composed of 33 wt% hydroxyapatite and 67 wt% β-tricalcium phosphate. In acidic solution, CaP-N released calcium and phosphate ions thanks to the preferential β-tricalcium phosphate phase dissolution. Enamel remineralization was induced by CaP-N comparably to CaP-S, while CaP-N exhibited a superior dentinal tubule occlusion than CaP-S, forming mineral plugs and depositing new nanoparticles onto demineralized collagen. This behavior was attributed to its bigger particle size and increased solubility. DMA depth profiling and SEM showed an excellent interaction between the newly formed mineralized structures and the pristine tissue, particularly at the exposed collagen fibrils. SIGNIFICANCE CaP-N demonstrated very good remineralizing and occlusive activity in vitro, comparable to CaP-S, thus could be a promising circular economy alternative therapeutic agent for dentistry.
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Affiliation(s)
- Lorenzo Degli Esposti
- Institute of Science, Technology and Sustainability for Ceramics (ISSMC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy
| | - Andrei C Ionescu
- Oral Microbiology and Biomaterials Laboratory, Department of Biomedical, Surgical, and Dental Sciences, University of Milan, Via Pascal, 36, 20133 Milan, Italy; Ospedale Maggiore Policlinico, Fondazione IRCCS Cà Granda, Milan 20100, Italy
| | - Sara Gandolfi
- Institute of Science, Technology and Sustainability for Ceramics (ISSMC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy; Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Parco Area delle Scienze 17/A, 43124 Parma, Italy
| | - Nicoleta Ilie
- Department of Conservative Dentistry and Periodontology, University Hospital, Ludwig-Maximilians-University, Goethestr. 70, 80336 Munich, Germany
| | - Alessio Adamiano
- Institute of Science, Technology and Sustainability for Ceramics (ISSMC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy
| | - Eugenio Brambilla
- Oral Microbiology and Biomaterials Laboratory, Department of Biomedical, Surgical, and Dental Sciences, University of Milan, Via Pascal, 36, 20133 Milan, Italy
| | - Michele Iafisco
- Institute of Science, Technology and Sustainability for Ceramics (ISSMC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy.
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Alogna A, Berboth L, Faragli A, Ötvös J, Lo Muzio FP, di Mauro V, Modica J, Quarta E, Semmler L, Deißler PM, Berger YW, Tran KL, de Marchi B, Longinotti-Buitoni G, Degli Esposti L, Guillot E, Bazile D, Iafisco M, Dotti A, Bang ML, de Luca C, Brandenberger C, Benazzi L, di Silvestre D, de Palma A, Primeßnig U, Hohendanner F, Perna S, Buttini F, Colombo P, Mühlfeld C, Steendijk P, Mauri P, Tschöpe C, Borlaug B, Pieske BM, Attanasio P, Post H, Heinzel FR, Catalucci D. Lung-to-Heart Nano-in-Micro Peptide Promotes Cardiac Recovery in a Pig Model of Chronic Heart Failure. J Am Coll Cardiol 2024; 83:47-59. [PMID: 38171710 DOI: 10.1016/j.jacc.2023.10.029] [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] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 10/11/2023] [Accepted: 10/13/2023] [Indexed: 01/05/2024]
Abstract
BACKGROUND The lack of disease-modifying drugs is one of the major unmet needs in patients with heart failure (HF). Peptides are highly selective molecules with the potential to act directly on cardiomyocytes. However, a strategy for effective delivery of therapeutics to the heart is lacking. OBJECTIVES In this study, the authors sought to assess tolerability and efficacy of an inhalable lung-to-heart nano-in-micro technology (LungToHeartNIM) for cardiac-specific targeting of a mimetic peptide (MP), a first-in-class for modulating impaired L-type calcium channel (LTCC) trafficking, in a clinically relevant porcine model of HF. METHODS Heart failure with reduced ejection fraction (HFrEF) was induced in Göttingen minipigs by means of tachypacing over 6 weeks. In a setting of overt HFrEF (left ventricular ejection fraction [LVEF] 30% ± 8%), animals were randomized and treatment was started after 4 weeks of tachypacing. HFrEF animals inhaled either a dry powder composed of mannitol-based microparticles embedding biocompatible MP-loaded calcium phosphate nanoparticles (dpCaP-MP) or the LungToHeartNIM only (dpCaP without MP). Efficacy was evaluated with the use of echocardiography, invasive hemodynamics, and biomarker assessment. RESULTS DpCaP-MP inhalation restored systolic function, as shown by an absolute LVEF increase over the treatment period of 17% ± 6%, while reversing cardiac remodeling and reducing pulmonary congestion. The effect was recapitulated ex vivo in cardiac myofibrils from treated HF animals. The treatment was well tolerated, and no adverse events occurred. CONCLUSIONS The overall tolerability of LungToHeartNIM along with the beneficial effects of the LTCC modulator point toward a game-changing treatment for HFrEF patients, also demonstrating the effective delivery of a therapeutic peptide to the diseased heart.
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Affiliation(s)
- Alessio Alogna
- Deutsches Herzzentrum der Charité, Department of Cardiology, Angiology and Intensive Care Medicine, Campus Virchow-Klinikum, Berlin, Germany; Berlin Institute of Health at Charité-Universitätsmedizin Berlin, Berlin, Germany; German Centre for Cardiovascular Research, Berlin, Germany.
| | - Leonhard Berboth
- Deutsches Herzzentrum der Charité, Department of Cardiology, Angiology and Intensive Care Medicine, Campus Virchow-Klinikum, Berlin, Germany
| | - Alessandro Faragli
- Deutsches Herzzentrum der Charité, Department of Cardiology, Angiology and Intensive Care Medicine, Campus Virchow-Klinikum, Berlin, Germany
| | - Jens Ötvös
- Deutsches Herzzentrum der Charité, Department of Cardiology, Angiology and Intensive Care Medicine, Campus Virchow-Klinikum, Berlin, Germany
| | - Francesco Paolo Lo Muzio
- Deutsches Herzzentrum der Charité, Department of Cardiology, Angiology and Intensive Care Medicine, Campus Virchow-Klinikum, Berlin, Germany
| | - Vittoria di Mauro
- Institute of Genetic and Biomedical Research, National Research Council of Italy, Milan Unit, Milan, Italy; Humanitas Cardio Center, IRCCS Humanitas Research Hospital, Rozzano (Milan), Italy
| | - Jessica Modica
- Institute of Genetic and Biomedical Research, National Research Council of Italy, Milan Unit, Milan, Italy; Humanitas Cardio Center, IRCCS Humanitas Research Hospital, Rozzano (Milan), Italy
| | - Eride Quarta
- Department of Food and Drugs, University of Parma, Parma, Italy; PlumeStars, Parma, Italy
| | - Lukas Semmler
- Deutsches Herzzentrum der Charité, Department of Cardiology, Angiology and Intensive Care Medicine, Campus Virchow-Klinikum, Berlin, Germany
| | - Peter Maximilian Deißler
- Deutsches Herzzentrum der Charité, Department of Cardiology, Angiology and Intensive Care Medicine, Campus Virchow-Klinikum, Berlin, Germany
| | - Yannic Wanja Berger
- Deutsches Herzzentrum der Charité, Department of Cardiology, Angiology and Intensive Care Medicine, Campus Virchow-Klinikum, Berlin, Germany
| | - Khai Liem Tran
- Deutsches Herzzentrum der Charité, Department of Cardiology, Angiology and Intensive Care Medicine, Campus Virchow-Klinikum, Berlin, Germany
| | | | | | - Lorenzo Degli Esposti
- Institute of Science, Technology and Sustainability for Ceramics (ISSMC), National Research Council, Faenza, Italy
| | | | | | - Michele Iafisco
- Institute of Science, Technology and Sustainability for Ceramics (ISSMC), National Research Council, Faenza, Italy
| | | | - Marie-Louise Bang
- Institute of Genetic and Biomedical Research, National Research Council of Italy, Milan Unit, Milan, Italy; Humanitas Cardio Center, IRCCS Humanitas Research Hospital, Rozzano (Milan), Italy
| | | | - Christina Brandenberger
- Institute of Functional and Applied Anatomy, Hannover Medical School, Hannover, Germany; Charité-Universitätsmedizin Berlin, Institute of Functional Anatomy, Campus Charité Mitte, Berlin, Germany
| | - Louise Benazzi
- Proteomics and Metabolomic Lab, Institute for Biomedical Technologies, National Research Council, Segrate (Milan), Italy
| | - Dario di Silvestre
- Proteomics and Metabolomic Lab, Institute for Biomedical Technologies, National Research Council, Segrate (Milan), Italy
| | - Antonella de Palma
- Proteomics and Metabolomic Lab, Institute for Biomedical Technologies, National Research Council, Segrate (Milan), Italy
| | - Uwe Primeßnig
- Deutsches Herzzentrum der Charité, Department of Cardiology, Angiology and Intensive Care Medicine, Campus Virchow-Klinikum, Berlin, Germany; Berlin Institute of Health at Charité-Universitätsmedizin Berlin, Berlin, Germany; German Centre for Cardiovascular Research, Berlin, Germany
| | - Felix Hohendanner
- Deutsches Herzzentrum der Charité, Department of Cardiology, Angiology and Intensive Care Medicine, Campus Virchow-Klinikum, Berlin, Germany; Berlin Institute of Health at Charité-Universitätsmedizin Berlin, Berlin, Germany; German Centre for Cardiovascular Research, Berlin, Germany
| | - Simone Perna
- Department of Biology, College of Science, Sakhir Campus, University of Bahrain, Zallaq, Bahrain
| | | | - Paolo Colombo
- Department of Food and Drugs, University of Parma, Parma, Italy; PlumeStars, Parma, Italy
| | - Christian Mühlfeld
- Institute of Functional and Applied Anatomy, Hannover Medical School, Hannover, Germany; Biomedical Research in Endstage and Obstructive Lung Disease Hannover, Member of the German Center for Lung Research, Hannover, Germany
| | - Paul Steendijk
- Department of Cardiology, Leiden University Medical Center, Leiden, the Netherlands
| | - Pierluigi Mauri
- Proteomics and Metabolomic Lab, Institute for Biomedical Technologies, National Research Council, Segrate (Milan), Italy
| | - Carsten Tschöpe
- Deutsches Herzzentrum der Charité, Department of Cardiology, Angiology and Intensive Care Medicine, Campus Virchow-Klinikum, Berlin, Germany
| | - Barry Borlaug
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Burkert M Pieske
- Deutsches Herzzentrum der Charité, Department of Cardiology, Angiology and Intensive Care Medicine, Campus Virchow-Klinikum, Berlin, Germany; Berlin Institute of Health at Charité-Universitätsmedizin Berlin, Berlin, Germany; German Centre for Cardiovascular Research, Berlin, Germany
| | - Philipp Attanasio
- Department of Cardiology, Campus Benjamin Franklin, Charité-Universitätsmedizin, Berlin, Germany
| | - Heiner Post
- Deutsches Herzzentrum der Charité, Department of Cardiology, Angiology and Intensive Care Medicine, Campus Virchow-Klinikum, Berlin, Germany
| | - Frank R Heinzel
- Deutsches Herzzentrum der Charité, Department of Cardiology, Angiology and Intensive Care Medicine, Campus Virchow-Klinikum, Berlin, Germany; German Centre for Cardiovascular Research, Berlin, Germany
| | - Daniele Catalucci
- Institute of Genetic and Biomedical Research, National Research Council of Italy, Milan Unit, Milan, Italy; Humanitas Cardio Center, IRCCS Humanitas Research Hospital, Rozzano (Milan), Italy. https://twitter.com/CNRsocial_
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Quarta E, Chiappi M, Adamiano A, Tampieri A, Wang W, Tetley TD, Buttini F, Sonvico F, Catalucci D, Colombo P, Iafisco M, Degli Esposti L. Inhalable Microparticles Embedding Biocompatible Magnetic Iron-Doped Hydroxyapatite Nanoparticles. J Funct Biomater 2023; 14:jfb14040189. [PMID: 37103279 PMCID: PMC10145219 DOI: 10.3390/jfb14040189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 03/21/2023] [Accepted: 03/27/2023] [Indexed: 03/31/2023] Open
Abstract
Recently, there has been increasing interest in developing biocompatible inhalable nanoparticle formulations, as they have enormous potential for treating and diagnosing lung disease. In this respect, here, we have studied superparamagnetic iron-doped calcium phosphate (in the form of hydroxyapatite) nanoparticles (FeCaP NPs) which were previously proved to be excellent materials for magnetic resonance imaging, drug delivery and hyperthermia-related applications. We have established that FeCaP NPs are not cytotoxic towards human lung alveolar epithelial type 1 (AT1) cells even at high doses, thus proving their safety for inhalation administration. Then, D-mannitol spray-dried microparticles embedding FeCaP NPs have been formulated, obtaining respirable dry powders. These microparticles were designed to achieve the best aerodynamic particle size distribution which is a critical condition for successful inhalation and deposition. The nanoparticle-in-microparticle approach resulted in the protection of FeCaP NPs, allowing their release upon microparticle dissolution, with dimensions and surface charge close to the original values. This work demonstrates the use of spray drying to provide an inhalable dry powder platform for the lung delivery of safe FeCaP NPs for magnetically driven applications.
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Adamiano A, Carella F, Degli Esposti L, Piccirillo C, Iafisco M. Calcium Phosphates from Fishery Byproducts as a Booster of the Sun Protection Factor in Sunscreens. ACS Biomater Sci Eng 2022; 8:4987-4995. [DOI: 10.1021/acsbiomaterials.2c00680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Alessio Adamiano
- National Research Council (CNR), Institute of Science and Technology for Ceramics (ISTEC), Via Granarolo 64, 48018Faenza, Italy
| | - Francesca Carella
- National Research Council (CNR), Institute of Science and Technology for Ceramics (ISTEC), Via Granarolo 64, 48018Faenza, Italy
| | - Lorenzo Degli Esposti
- National Research Council (CNR), Institute of Science and Technology for Ceramics (ISTEC), Via Granarolo 64, 48018Faenza, Italy
| | - Clara Piccirillo
- National Research Council (CNR), Institute of Nanotechnology (NANOTEC), Campus Ecoteckne, Via Monteroni, 73100Lecce, Italy
| | - Michele Iafisco
- National Research Council (CNR), Institute of Science and Technology for Ceramics (ISTEC), Via Granarolo 64, 48018Faenza, Italy
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Quarta E, Esposti LD, Bettini R, Sonvico F, Catalucci D, Iafisco M, De Luca C, Trevisi G, Colombo P, Rossi A, Buttini F, Colombo G. Dry powder inhalation technology for heart targeting applied to calcium phosphate nanoparticles loaded with active substances. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Ionescu AC, Degli Esposti L, Iafisco M, Brambilla E. Dental tissue remineralization by bioactive calcium phosphate nanoparticles formulations. Sci Rep 2022; 12:5994. [PMID: 35397624 PMCID: PMC8994765 DOI: 10.1038/s41598-022-09787-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 01/18/2022] [Indexed: 11/09/2022] Open
Abstract
Recent health care products are based on formulations claimed to provide enamel remineralization and dentinal tubules occlusion through calcium-phosphate bioactive nanocompounds (ion-doped hydroxyapatite and precursor, amorphous calcium phosphate nanoparticles). This study aimed to characterize, test, and compare for the first time the structure and performance of a representative, market-available sample of remineralizing toothpastes and topical mousses. Formulations were characterized to determine their composition and investigate the presence of bioactive compounds and doping elements. A conventional fluoride-containing toothpaste was used as reference. The enamel remineralization and efficacy of dentinal tubules occlusion by tested formulations were investigated ex vivo on human hard tissues. All formulations containing Ca-P bioactive nanocompounds showed remineralizing ability by epitaxial growth of a layer showing the morphology and composition of human hydroxyapatite. Such layers also embedded nanosilica clusters. The presence of doping elements or casein phosphopeptide seemed essential to allow such performances, especially when hydroxyapatite and amorphous calcium phosphate compounds were doped with small amounts of CO32−, F−, Mg2+, and Sr2+. Topical mousse formulations showed a higher tubules occlusion capability than toothpastes, independently from their composition. Therefore, all tested formulations could be useful in restoring tooth structures in a biomimetic way, contrasting dental demineralization processes leading to caries.
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Affiliation(s)
- Andrei Cristian Ionescu
- Oral Microbiology and Biomaterials Laboratory, Department of Biomedical, Surgical, and Dental Sciences, University of Milan, Via Pascal, 36, 20133, Milan, Italy.
| | - Lorenzo Degli Esposti
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo, 64, 48018, Faenza, Italy
| | - Michele Iafisco
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo, 64, 48018, Faenza, Italy
| | - Eugenio Brambilla
- Oral Microbiology and Biomaterials Laboratory, Department of Biomedical, Surgical, and Dental Sciences, University of Milan, Via Pascal, 36, 20133, Milan, Italy
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Iafisco M, Carella F, Esposti LD, Adamiano A, Catalucci D, Modica J, Bragonzi A, Vitali A, Torelli R, Sanguinetti M, Bugli F. Biocompatible antimicrobial colistin loaded calcium phosphate nanoparticles for the counteraction of biofilm formation in cystic fibrosis related infections. J Inorg Biochem 2022; 230:111751. [DOI: 10.1016/j.jinorgbio.2022.111751] [Citation(s) in RCA: 2] [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: 10/25/2021] [Revised: 01/20/2022] [Accepted: 01/30/2022] [Indexed: 12/16/2022]
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Siliqi D, Adamiano A, ladisa M, Giannini C, Iafisco M, Degli Esposti L. Formation of calcium phosphates nanoparticles in presence of carboxylate molecules: A time-resolved in situ synchrotron SAXS and WAXS study. CrystEngComm 2022. [DOI: 10.1039/d2ce01227h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
In this work we have studied in situ the formation and growth of calcium phosphate (CaP) nanoparticles (NPs) in presence of three calcium-binding carboxylate molecules having different affinities for Ca2+...
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Degli Esposti L, Fosca M, Canizares A, del Campo L, Ortenzi M, Adamiano A, Rau JV, Iafisco M. In situ study of thermal crystallization of amorphous calcium phosphates. Phys Chem Chem Phys 2022; 24:24514-24523. [DOI: 10.1039/d2cp02352k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The heat induced crystallization of amorphous calcium phosphate (ACP) is an intriguing process not yet well comprehended. This is because most of the works on this topic are based on...
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Degli Esposti L, Iafisco M. Amorphous calcium phosphate, the lack of order is an abundance of possibilities. Biomater Biosyst 2021; 5:100037. [PMID: 36825112 PMCID: PMC9934462 DOI: 10.1016/j.bbiosy.2021.100037] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 12/18/2021] [Accepted: 12/27/2021] [Indexed: 10/19/2022] Open
Abstract
For almost three decades from its discovery, amorphous calcium phosphate (ACP) was not considered a suitable biomaterial due to its structural instability. Thanks to its unique properties in respect to crystalline calcium phosphate phases, nowadays ACP is used in promising devices for hard tissue regeneration. Here we have highlighted the features of ACP that were harnessed to create excellent biomaterials for dental remineralization, self-setting bone cements, drug delivery, and coatings of prostheses. Its current limitations as well as future perspectives of development were concisely described. Despite more research works are needed, we envisage that the future of ACP is bright.
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Barghi A, Esposti LD, Iafisco M, Adamiano A, Casado GE, Ivanchenko P, Mino L, Yoon HY, Joe EN, Jeon JR, Chang YS. Microbial Volatile Organic Compound (VOC)-Driven Dissolution and Surface Modification of Phosphorus-Containing Soil Minerals for Plant Nutrition: An Indirect Route for VOC-Based Plant-Microbe Communications. J Agric Food Chem 2021; 69:14478-14487. [PMID: 34813307 DOI: 10.1021/acs.jafc.1c05187] [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] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
We investigated the ability of microbial volatile organic compounds (MVOCs) emitted by Bacillus megaterium (a well-known MVOC producer) to modify the dissolution kinetics and surface of hydroxyapatite, a natural soil mineral. Facilitated phosphate release was induced by the airborne MVOCs in a time-dependent manner. Use of each standard chemical of the MVOCs then revealed that acetic and oxalic acids are crucial for the phenomenon. In addition, the ability of such MVOCs to engineer the apatite surfaces was evidenced by FT-IR spectra showing the COO- band variation with incubation time and the prolonged acceleration of phosphate release during the negligible acidification of the hydroxyapatite-containing solutions. The formation of calcium oxalate was revealed through SEM-EDS and XRD analyses, suggesting that MVOC oxalic acid interacts with calcium ions, leading to the precipitation of calcium oxalate, thus preventing the recrystallization of calcium phosphates. Gel- and soil-based plant cultivation tests employing Arabidopsis thaliana and solid calcium phosphates (i.e., nano- and microsized hydroxyapatites and calcium phosphate dibasic) demonstrated that these MVOC mechanisms facilitate plant growth by ensuring the prolonged supply of plant-available phosphate. The relationship between the growth enhancement and the particle size of the calcium phosphates also substantiated the MVOC sorption onto soil minerals related to plant growth. Given that most previous studies have assumed that MVOCs are a molecular lexicon directly detected by the dedicated sensing machinery of plants, our approach provides a new mechanistic view of the presence of abiotic mediators in the interaction between plants and microbes via MVOCs.
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Affiliation(s)
- Anahita Barghi
- Division of Environmental Science and Engineering, Pohang University of Science and Technology (P.O.STECH), 77 Cheongam-ro, Pohang 37673, Republic of Korea
| | - Lorenzo Degli Esposti
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, Faenza (RA) 48018, Italy
| | - Michele Iafisco
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, Faenza (RA) 48018, Italy
| | - Alessio Adamiano
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, Faenza (RA) 48018, Italy
| | | | - Pavlo Ivanchenko
- Department of Chemistry and NIS Centre, University of Torino, Via Giuria 7, Torino 10125, Italy
- ETEC Department, MOBI Research Group, Belgium Flanders Make, Vrije Universiteit Brussel (VUB), Pleinlaan 2, 3001 Heverlee, Brussels 1050, Belgium
| | - Lorenzo Mino
- Department of Chemistry and NIS Centre, University of Torino, Via Giuria 7, Torino 10125, Italy
| | - Ho Young Yoon
- Division of Applied Life Science (BK21Plus), Department of Agricultural Chemistry and Food Science & Technology and IALS, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Eun-Nam Joe
- Division of Applied Life Science (BK21Plus), Department of Agricultural Chemistry and Food Science & Technology and IALS, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Jong-Rok Jeon
- Division of Applied Life Science (BK21Plus), Department of Agricultural Chemistry and Food Science & Technology and IALS, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Yoon-Seok Chang
- Division of Environmental Science and Engineering, Pohang University of Science and Technology (P.O.STECH), 77 Cheongam-ro, Pohang 37673, Republic of Korea
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Quarta E, Sonvico F, Bettini R, De Luca C, Dotti A, Catalucci D, Iafisco M, Degli Esposti L, Colombo G, Trevisi G, Rekkas DM, Rossi A, Wong TW, Buttini F, Colombo P. Inhalable Microparticles Embedding Calcium Phosphate Nanoparticles for Heart Targeting: The Formulation Experimental Design. Pharmaceutics 2021; 13:pharmaceutics13111825. [PMID: 34834240 PMCID: PMC8617656 DOI: 10.3390/pharmaceutics13111825] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [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: 09/24/2021] [Revised: 10/20/2021] [Accepted: 10/23/2021] [Indexed: 11/30/2022] Open
Abstract
Inhalation of Calcium Phosphate nanoparticles (CaPs) has recently unmasked the potential of this nanomedicine for a respiratory lung-to-heart drug delivery targeting the myocardial cells. In this work, we investigated the development of a novel highly respirable dry powder embedding crystalline CaPs. Mannitol was selected as water soluble matrix excipient for constructing respirable dry microparticles by spray drying technique. A Quality by Design approach was applied for understanding the effect of the feed composition and spraying feed rate on typical quality attributes of inhalation powders. The in vitro aerodynamic behaviour of powders was evaluated using a medium resistance device. The inner structure and morphology of generated microparticles were also studied. The 1:4 ratio of CaPs/mannitol led to the generation of hollow microparticles, with the best aerodynamic performance. After microparticle dissolution, the released nanoparticles kept their original size.
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Affiliation(s)
- Eride Quarta
- Food and Drug Department, University of Parma, Parco Area delle Scienze 27/A, 43124 Parma, Italy; (E.Q.); (F.S.); (R.B.); (A.R.)
- PlumeStars Srl., c/o Food & Drug Department, Parco Area delle Scienze 27A, 43124 Parma, Italy
| | - Fabio Sonvico
- Food and Drug Department, University of Parma, Parco Area delle Scienze 27/A, 43124 Parma, Italy; (E.Q.); (F.S.); (R.B.); (A.R.)
| | - Ruggero Bettini
- Food and Drug Department, University of Parma, Parco Area delle Scienze 27/A, 43124 Parma, Italy; (E.Q.); (F.S.); (R.B.); (A.R.)
| | - Claudio De Luca
- Fin-Ceramica Faenza SPA, Via Granarolo 177/3, 48018 Faenza, Italy; (C.D.L.); (A.D.)
| | - Alessandro Dotti
- Fin-Ceramica Faenza SPA, Via Granarolo 177/3, 48018 Faenza, Italy; (C.D.L.); (A.D.)
| | - Daniele Catalucci
- IRCCS Humanitas Research Hospital, 20089 Rozzano, Italy;
- Institute of Genetic and Biomedical Research (IRGB)-UOS Milan, National Research Council (CNR), 20138 Milan, Italy
| | - Michele Iafisco
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy; (M.I.); (L.D.E.)
| | - Lorenzo Degli Esposti
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy; (M.I.); (L.D.E.)
| | - Gaia Colombo
- Department of Life Sciences and Biotechnology, University of Ferrara, Via Fossato di Mortara 17/19, 44121 Ferrara, Italy;
| | - Giovanna Trevisi
- Institute of Materials for Electronics and Magnetism (IMEM), National Research Council (CNR), Parco Area delle Scienze 37/A, 43124 Parma, Italy;
| | - Dimitrios M. Rekkas
- Department of Pharmacy, National and Kapodistrian University of Athens, 15784 Zografou, Athens, Greece;
| | - Alessandra Rossi
- Food and Drug Department, University of Parma, Parco Area delle Scienze 27/A, 43124 Parma, Italy; (E.Q.); (F.S.); (R.B.); (A.R.)
| | - Tin Wui Wong
- Non-Destructive Biomedical and Pharmaceutical Research Centre, Smart Manufacturing Research Institute, Universiti Teknologi MARA, Puncak Alam 42300, Selangor, Malaysia;
| | - Francesca Buttini
- Food and Drug Department, University of Parma, Parco Area delle Scienze 27/A, 43124 Parma, Italy; (E.Q.); (F.S.); (R.B.); (A.R.)
- Correspondence: (F.B.); or (P.C.); Tel.: +39-0521-906008 (F.B.); +39-0521-905086 (P.C.)
| | - Paolo Colombo
- Food and Drug Department, University of Parma, Parco Area delle Scienze 27/A, 43124 Parma, Italy; (E.Q.); (F.S.); (R.B.); (A.R.)
- PlumeStars Srl., c/o Food & Drug Department, Parco Area delle Scienze 27A, 43124 Parma, Italy
- Correspondence: (F.B.); or (P.C.); Tel.: +39-0521-906008 (F.B.); +39-0521-905086 (P.C.)
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13
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Degli Esposti L, Adamiano A, Siliqi D, Giannini C, Iafisco M. The effect of chemical structure of carboxylate molecules on hydroxyapatite nanoparticles. A structural and morphological study. Bioact Mater 2021; 6:2360-2371. [PMID: 33553821 PMCID: PMC7844063 DOI: 10.1016/j.bioactmat.2021.01.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 01/07/2021] [Accepted: 01/09/2021] [Indexed: 12/30/2022] Open
Abstract
Being the most abundant non-macromolecular organic component of bone, the role of citrate (Cit) in hydroxyapatite (HA) crystallization is of high relevance. In this work we have investigated the influence of hydroxycitrate (CitOH) and glutarate (Glr) on HA crystallization in terms of particle growth, composition, and morphology in comparison to Cit. CitOH and Glr have been selected for this work because they share the same backbone structure of Cit but bear different functional groups in the central region. Our data has revealed that CitOH strongly inhibits HA crystallization more efficiently than Cit. CitOH-HA nanoparticles are composed of platy, elongated particles similar to those of Cit-HA but they are ca. twice smaller and have a lower crystal order. On the other hand, Glr does not inhibit HA crystallization as Cit, but leads to the formation of OCP platelets that convert with maturation time to HA nanorods with larger aspect ratio than Cit-HA. In comparison to Cit-HA samples, Glr-HA nanoparticles have bigger dimensions, and higher structural order. Overall, our data reveal that the central carboxyl group of Cit is involved in the selective binding with HA crystal surface and in regulating HA crystal growth. The results of this work highlight new possibilities to control the formation of HA for designing advanced bioactive materials and give new insights on the role of the structure of Cit in regulating the HA morphology.
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Affiliation(s)
- Lorenzo Degli Esposti
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018, Faenza, Italy
| | - Alessio Adamiano
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018, Faenza, Italy
| | - Dritan Siliqi
- Institute of Crystallography (IC), National Research Council (CNR), Via Amendola 122/O, 70126, Bari, Italy
| | - Cinzia Giannini
- Institute of Crystallography (IC), National Research Council (CNR), Via Amendola 122/O, 70126, Bari, Italy
| | - Michele Iafisco
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018, Faenza, Italy
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14
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Barbanente A, Nadar RA, Esposti LD, Palazzo B, Iafisco M, van den Beucken JJJP, Leeuwenburgh SCG, Margiotta N. Platinum-loaded, selenium-doped hydroxyapatite nanoparticles selectively reduce proliferation of prostate and breast cancer cells co-cultured in the presence of stem cells. J Mater Chem B 2021; 8:2792-2804. [PMID: 32159578 DOI: 10.1039/d0tb00390e] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Chemotherapeutic treatment of patients with bone tumors or bone metastases often leads to severe side effects such as high drug toxicity, lack of tumor specificity and induced drug resistance. A novel strategy to treat early stages of bone metastases involves local co-delivery of multiple chemotherapeutic agents to synergistically improve the curative effect and overcome shortcomings of traditional chemotherapy. Herein we show that selenite-doped hydroxyapatite nanoparticles loaded with a hydroxyapatite-binding anti-tumor platinum complex (PtPP-HASe) selectively reduce proliferation of cancer cells without reducing proliferation of bone marrow stem cells. These PtPP-HASe particles were nanocrystalline with selenium (Se) and platinum (Pt) contents ranging between 0-10 and 1.5-3 wt%, respectively. Release kinetics of Se and Pt from PtPP-HASe nanoparticles resulted in a cumulative release of ∼10 and ∼66 wt% after 7 days, respectively. At a Pt/Se ratio of 8, released Pt and Se species selectively reduced cell number of human prostate (PC3) and human breast cancer cells (MDA-MB-231) by a factor of >10 with limited effects on co-cultured human bone marrow stem cells (hBMSc). These novel nanoparticles demonstrate high anti-cancer selectivity, which offers ample opportunities for the design of novel biomaterials with potent and selective chemotherapeutic efficacy against cancer cells.
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Affiliation(s)
- Alessandra Barbanente
- Dipartimento di Chimica, Università degli Studi di Bari Aldo Moro, Via E. Orabona 4, 70125 Bari, Italy.
| | - Robin A Nadar
- Department of Dentistry - Regenerative Biomaterials, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Philips van Leydenlaan 25, 6525 EX Nijmegen, The Netherlands
| | - Lorenzo Degli Esposti
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy
| | - Barbara Palazzo
- Ghimas S.p.A., c/o Distretto Tecnologico High Tech Scarl, Campus Ecotekne, Via per Monteroni, 73100 Lecce, Italy
| | - Michele Iafisco
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy
| | - Jeroen J J P van den Beucken
- Department of Dentistry - Regenerative Biomaterials, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Philips van Leydenlaan 25, 6525 EX Nijmegen, The Netherlands
| | - Sander C G Leeuwenburgh
- Department of Dentistry - Regenerative Biomaterials, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Philips van Leydenlaan 25, 6525 EX Nijmegen, The Netherlands and Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy
| | - Nicola Margiotta
- Dipartimento di Chimica, Università degli Studi di Bari Aldo Moro, Via E. Orabona 4, 70125 Bari, Italy.
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15
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Tampieri A, Sandri M, Iafisco M, Panseri S, Montesi M, Adamiano A, Dapporto M, Campodoni E, Dozio SM, Degli Esposti L, Sprio S. Nanotechnological approach and bio-inspired materials to face degenerative diseases in aging. Aging Clin Exp Res 2021; 33:805-821. [PMID: 31595428 DOI: 10.1007/s40520-019-01365-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [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: 07/20/2019] [Accepted: 09/21/2019] [Indexed: 12/22/2022]
Abstract
The aging of the world population is increasingly claimed as an alarming situation, since an ever-raising number of persons in advanced age but still physically active is expected to suffer from invalidating and degenerative diseases. The impairment of the endogenous healing potential provoked by the aging requires the development of more effective and personalized therapies, based on new biomaterials and devices able to direct the cell fate to stimulate and sustain the regrowth of damaged or diseased tissues. To obtain satisfactory results, also in cases where the cell senescence, typical of the elderly, makes the regeneration process harder and longer, the new solutions have to possess excellent ability to mimic the physiological extracellular environment and thus exert biomimetic stimuli on stem cells. To this purpose, the "biomimetic concept" is today recognized as elective to fabricate bioactive and bioresorbable devices such as hybrid osteochondral scaffolds and bioactive bone cements closely resembling the natural hard tissues and with enhanced regenerative ability. The review will illustrate some recent results related to these new biomimetic materials developed for application in different districts of the musculoskeletal system, namely bony, osteochondral and periodontal regions, and the spine. Further, it will be shown how new bioactive and superparamagnetic calcium phosphate nanoparticles can give enhanced results in cardiac regeneration and cancer therapy. Since tissue regeneration will be a major demand in the incoming decades, the high potential of biomimetic materials and devices is promising to significantly increase the healing rate and improve the clinical outcomes even in aged patients.
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Affiliation(s)
- Anna Tampieri
- Institute of Science and Technology for Ceramics, National Research Council, Via Granarolo 64, 48018, Faenza, RA, Italy
| | - Monica Sandri
- Institute of Science and Technology for Ceramics, National Research Council, Via Granarolo 64, 48018, Faenza, RA, Italy
| | - Michele Iafisco
- Institute of Science and Technology for Ceramics, National Research Council, Via Granarolo 64, 48018, Faenza, RA, Italy
| | - Silvia Panseri
- Institute of Science and Technology for Ceramics, National Research Council, Via Granarolo 64, 48018, Faenza, RA, Italy
| | - Monica Montesi
- Institute of Science and Technology for Ceramics, National Research Council, Via Granarolo 64, 48018, Faenza, RA, Italy
| | - Alessio Adamiano
- Institute of Science and Technology for Ceramics, National Research Council, Via Granarolo 64, 48018, Faenza, RA, Italy
| | - Massimiliano Dapporto
- Institute of Science and Technology for Ceramics, National Research Council, Via Granarolo 64, 48018, Faenza, RA, Italy
| | - Elisabetta Campodoni
- Institute of Science and Technology for Ceramics, National Research Council, Via Granarolo 64, 48018, Faenza, RA, Italy
| | - Samuele M Dozio
- Institute of Science and Technology for Ceramics, National Research Council, Via Granarolo 64, 48018, Faenza, RA, Italy
| | - Lorenzo Degli Esposti
- Institute of Science and Technology for Ceramics, National Research Council, Via Granarolo 64, 48018, Faenza, RA, Italy
| | - Simone Sprio
- Institute of Science and Technology for Ceramics, National Research Council, Via Granarolo 64, 48018, Faenza, RA, Italy.
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16
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Degli Esposti L, Markovic S, Ignjatovic N, Panseri S, Montesi M, Adamiano A, Fosca M, Rau JV, Uskoković V, Iafisco M. Thermal crystallization of amorphous calcium phosphate combined with citrate and fluoride doping: a novel route to produce hydroxyapatite bioceramics. J Mater Chem B 2021; 9:4832-4845. [PMID: 33998626 DOI: 10.1039/d1tb00601k] [Citation(s) in RCA: 9] [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: 12/14/2022]
Abstract
Amorphous calcium phosphate (ACP) is a material of high interest for dentistry, orthopedics, and other biomedical sectors. Being intrinsically metastable, the process of transformation of ACP into a crystalline phase upon heating is of high relevance for the development of innovative bioceramics. Here we have first studied the thermal behavior of a citrate-stabilized ACP (Cit-ACP) also doped with fluoride ions (Cit-FACP) prepared at three different nominal Cit/Ca ratios (i.e. 4, 2, 1) by differential thermal analysis. Next, the physico-chemical features of the crystalline products as well as the in vitro cell response to the materials were investigated. A citrate and fluoride free ACP sample was also tested as the blank. We have found that the activation energy of crystallization of Cit-(F)ACP samples is lower in comparison to the blank ACP and this is influenced by the nominal Cit/Ca molar ratio. Interestingly, we have discovered that the thermal treatment of Cit-(F)ACP at 800 °C yields hydroxyapatite (HA) or fluorapatite (FHA) as the main products differently from blank ACP that, like most of the ACPs reported in the literature, yields β-tricalcium phosphate. This was attributed to the Ca/P ratio of Cit-(F)ACP, which is similar to HA. A study of the crystalline products has revealed that all the (F)HA samples were non-cytotoxic, and retained carbonate ions in the crystal structure despite the heat treatment that should have induced decarbonation. The morphology of the products is influenced by the nominal Cit/Ca ratio and the presence of fluoride, ranging from spherical nanoparticles to micrometric hexagonal rods. Overall, our results prove that the thermal crystallization of Cit-(F)ACP is markedly different from classic ACP based materials and the thermal treatment of Cit-(F)ACP represents an attractive route for producing pure bioactive HA ceramics.
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Affiliation(s)
- Lorenzo Degli Esposti
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy.
| | - Smilja Markovic
- Institute of Technical Sciences of the Serbian Academy of Science and Arts, Knez Mihailova 35/IV, P. O. Box 377, 11000 Belgrade, Serbia
| | - Nenad Ignjatovic
- Institute of Technical Sciences of the Serbian Academy of Science and Arts, Knez Mihailova 35/IV, P. O. Box 377, 11000 Belgrade, Serbia
| | - Silvia Panseri
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy.
| | - Monica Montesi
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy.
| | - Alessio Adamiano
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy.
| | - Marco Fosca
- Institute of Structure of Matter (ISM), National Research Council (CNR), Via del Fosso del Cavaliere 100, 00133 Rome, Italy
| | - Julietta V Rau
- Institute of Structure of Matter (ISM), National Research Council (CNR), Via del Fosso del Cavaliere 100, 00133 Rome, Italy and Sechenov First Moscow State Medical University, Institute of Pharmacy, Department of Analytical, Physical and Colloid Chemistry, Trubetskaya 8, Build. 2, 119991 Moscow, Russia
| | | | - Michele Iafisco
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy.
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17
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Barbanente A, Palazzo B, Esposti LD, Adamiano A, Iafisco M, Ditaranto N, Migoni D, Gervaso F, Nadar R, Ivanchenko P, Leeuwenburgh S, Margiotta N. Selenium-doped hydroxyapatite nanoparticles for potential application in bone tumor therapy. J Inorg Biochem 2020; 215:111334. [PMID: 33341588 DOI: 10.1016/j.jinorgbio.2020.111334] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 10/15/2020] [Accepted: 12/05/2020] [Indexed: 01/04/2023]
Abstract
In the present study we have studied the incorporation and release of selenite ions (SeO32-) in hydroxyapatite nanoparticles for the treatment of bone tumors. Two types of selenium-doped hydroxyapatite (HASe) nanoparticles (NPs) with a nominal Se/(P + Se) molar ratio ranging from 0.01 up to 0.40 have been synthesized by a new and mild wet method. The two series of samples were thoroughly characterized and resulted to be slightly different in chemical composition, but they had similar properties in terms of morphology and degree of crystallinity. Selenium release from HASe was investigated under neutral and acidic conditions to simulate both healthy tissues and the low-pH environment surrounding a tumor mass, respectively. The comparison of the release profiles at two pH values clearly showed the possibility of modulating the Se release by simply changing the amount of Se in the HASe particles. The correlation between the physicochemical properties of HASe and their dissolution as a function of pH has been also investigated to facilitate future application of the NPs as chemotherapeutic adjuvant agents. Finally, the cytotoxic activity of HASe was evaluated using prostate (PC3) and breast (MDA-MB-231) cancer cells as well as healthy human bone marrow stem cells (hBMSc). HASe NPs exerted a good cytocompatibility at low concentration of Se but, with high Se doping concentration, they displayed strong cytotoxicity.
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Affiliation(s)
- Alessandra Barbanente
- Dipartimento di Chimica, Università degli Studi di Bari Aldo Moro, Via E. Orabona 4, 70125 Bari, Italy
| | - Barbara Palazzo
- Ghimas S.p.A., c/o Distretto Tecnologico High Tech Scarl, Campus Ecotekne, Via per Monteroni, 73100 Lecce, Italy
| | - Lorenzo Degli Esposti
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy
| | - Alessio Adamiano
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy
| | - Michele Iafisco
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy
| | - Nicoletta Ditaranto
- Dipartimento di Chimica, Università degli Studi di Bari Aldo Moro, Via E. Orabona 4, 70125 Bari, Italy
| | - Danilo Migoni
- Department of Biological and Environmental Sciences and Technologies (DiSTeBA), University of Salento, Prov.le Lecce-Monteroni, Centro Ecotekne, 73100 Lecce, Italy
| | - Francesca Gervaso
- Department of Engineering for Innovation, University of Salento, Prov.le Lecce-Monteroni, Centro Ecotekne, 73100 Lecce, Italy
| | - Robin Nadar
- Department of Dentistry - Regenerative Biomaterials, Radboud Institute for Molecular Life Sciences, Radboud university medical center, Philips van Leydenlaan 25, 6525, EX, Nijmegen, the Netherlands
| | - Pavlo Ivanchenko
- Dipartimento di Chimica, Università degli Studi di Torino, Via P. Giuria 7, 10125 Torino, Italy
| | - Sander Leeuwenburgh
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy; Department of Dentistry - Regenerative Biomaterials, Radboud Institute for Molecular Life Sciences, Radboud university medical center, Philips van Leydenlaan 25, 6525, EX, Nijmegen, the Netherlands
| | - Nicola Margiotta
- Dipartimento di Chimica, Università degli Studi di Bari Aldo Moro, Via E. Orabona 4, 70125 Bari, Italy.
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Nadar RA, Asokan N, Degli Esposti L, Curci A, Barbanente A, Schlatt L, Karst U, Iafisco M, Margiotta N, Brand M, van den Beucken JJJP, Bornhäuser M, Leeuwenburgh SCG. Preclinical evaluation of platinum-loaded hydroxyapatite nanoparticles in an embryonic zebrafish xenograft model. Nanoscale 2020; 12:13582-13594. [PMID: 32555916 DOI: 10.1039/d0nr04064a] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Hydroxyapatite (HA) nanoparticles are commonly used as building blocks in the design of bone-substituting biomaterials. Recently, these nanoparticles have been considered for the treatment of metastasis disease, since their pH-dependent dissolution behavior allows for precise tuning of release kinetics of loaded cargo. Herein we show that the capacity of drug-loaded nanoparticles stabilized with citrate ions reduce cancer cell survival in an embryonic zebrafish xenograft model. In particular, in vitro studies demonstrate that PtPP-loaded HA nanoparticles exhibit anti-proliferative activity against breast cancer cells at reduced pH. In vivo studies using an embryonic zebrafish xenograft model reveal that PtPP co-delivered with human breast cancer cells strongly reduce cancer cell survival. Similarly, co-injection of breast cancer cells with citrate-functionalized and PtPP-loaded HA nanoparticles into zebrafish significantly reduces survival of cancer cells due to release of chemotherapeutically active kiteplatin species. These results demonstrate the preclinical efficacy of drug-loaded nanoparticles against human breast cancer cells in a xenogenic embryonic in vivo model.
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Affiliation(s)
- Robin A Nadar
- Department of Dentistry - Regenerative Biomaterials, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Philips van Leydenlaan 25, 6525 EX Nijmegen, the Netherlands.
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Degli Esposti L, Ionescu AC, Brambilla E, Tampieri A, Iafisco M. Characterization of a Toothpaste Containing Bioactive Hydroxyapatites and In Vitro Evaluation of Its Efficacy to Remineralize Enamel and to Occlude Dentinal Tubules. Materials (Basel) 2020; 13:ma13132928. [PMID: 32629879 PMCID: PMC7372420 DOI: 10.3390/ma13132928] [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] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 06/20/2020] [Accepted: 06/29/2020] [Indexed: 12/22/2022]
Abstract
Demineralization of dental hard tissues is a well-known health issue and the primary mechanism responsible for caries and dentinal hypersensitivity. Remineralizing toothpastes are nowadays available to improve conventional oral care formulations regarding the prevention and repair of demineralization. In this paper, we analyzed the chemical-physical features of a commercial toothpaste (Biosmalto Caries Abrasion and Erosion, Curasept S.p.A., Saronno, Italy), with particular attention paid to the water-insoluble fraction which contains the remineralizing bioactive ingredients. Moreover, the efficacy of the toothpaste to induce enamel remineralization and to occlude dentinal tubules has been qualitatively and semiquantitatively tested in vitro on human dental tissues using scanning electron microscopy and X-ray microanalysis. Our results demonstrated that the water-insoluble fraction contained silica as well as chitosan and poorly crystalline biomimetic hydroxyapatite doped with carbonate, magnesium, strontium, and fluoride ions. The formulation showed excellent ability to restore demineralized enamel into its native structure by epitaxial deposition of a new crystalline phase in continuity with the native one. It was also able to occlude the dentinal tubules exposed completely by acid-etching. Overall, this study demonstrated that the tested toothpaste contained a biomimetic ionic-substituted hydroxyapatite-based active principle and that, within the in vitro conditions analyzed in this study, it was effective in dental hard tissue remineralization.
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Affiliation(s)
- Lorenzo Degli Esposti
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy; (L.D.E.); (A.T.)
| | - Andrei C. Ionescu
- Oral Microbiology and Biomaterials Laboratory, Department of Biomedical, Surgical, and Dental Sciences, University of Milan, Via Pascal, 36, 20133 Milan, Italy; (A.C.I.); (E.B.)
| | - Eugenio Brambilla
- Oral Microbiology and Biomaterials Laboratory, Department of Biomedical, Surgical, and Dental Sciences, University of Milan, Via Pascal, 36, 20133 Milan, Italy; (A.C.I.); (E.B.)
| | - Anna Tampieri
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy; (L.D.E.); (A.T.)
| | - Michele Iafisco
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy; (L.D.E.); (A.T.)
- Correspondence: ; Tel.: +39-0546-699-730
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20
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Scialla S, Carella F, Dapporto M, Sprio S, Piancastelli A, Palazzo B, Adamiano A, Degli Esposti L, Iafisco M, Piccirillo C. Mussel Shell-Derived Macroporous 3D Scaffold: Characterization and Optimization Study of a Bioceramic from the Circular Economy. Mar Drugs 2020; 18:E309. [PMID: 32545532 PMCID: PMC7344406 DOI: 10.3390/md18060309] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 06/05/2020] [Accepted: 06/09/2020] [Indexed: 11/16/2022] Open
Abstract
Fish industry by-products constitute an interesting platform for the extraction and recovery of valuable compounds in a circular economy approach. Among them, mussel shells could provide a calcium-rich source for the synthesis of hydroxyapatite (HA) bioceramics. In this work, HA nanoparticles have been successfully synthesized starting from mussel shells (Mytilus edulis) with a two steps process based on thermal treatment to convert CaCO3 in CaO and subsequent wet precipitation with a phosphorus source. Several parameters were studied, such as the temperature and gaseous atmosphere of the thermal treatment as well as the use of two different phosphorus-containing reagents in the wet precipitation. Data have revealed that the characteristics of the powders can be tailored, changing the conditions of the process. In particular, the use of (NH4)2HPO4 as the phosphorus source led to HA nanoparticles with a high crystallinity degree, while smaller nanoparticles with a higher surface area were obtained when H3PO4 was employed. Further, a selected HA sample was synthesized at the pilot scale; then, it was employed to fabricate porous 3D scaffolds using the direct foaming method. A highly porous scaffold with open and interconnected porosity associated with good mechanical properties (i.e., porosity in the range 87-89%, pore size in the range 50-300 μm, and a compressive strength σ = 0.51 ± 0.14 MPa) suitable for bone replacement was achieved. These results suggest that mussel shell by-products are effectively usable for the development of compounds of high added value in the biomedical field.
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Affiliation(s)
- Stefania Scialla
- Institute of Nanotechnology (NANOTEC), National Research Council (CNR), Campus Ecoteckne, Via Monteroni, 73100 Lecce, Italy;
| | - Francesca Carella
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy; (F.C.); (M.D.); (S.S.); (A.P.); (A.A.); (L.D.E.)
| | - Massimiliano Dapporto
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy; (F.C.); (M.D.); (S.S.); (A.P.); (A.A.); (L.D.E.)
| | - Simone Sprio
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy; (F.C.); (M.D.); (S.S.); (A.P.); (A.A.); (L.D.E.)
| | - Andreana Piancastelli
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy; (F.C.); (M.D.); (S.S.); (A.P.); (A.A.); (L.D.E.)
| | - Barbara Palazzo
- Ghimas SpA, C/O Ditech S.c.a.r.l., Campus Ecotekne, 73100 Lecce, Italy;
| | - Alessio Adamiano
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy; (F.C.); (M.D.); (S.S.); (A.P.); (A.A.); (L.D.E.)
| | - Lorenzo Degli Esposti
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy; (F.C.); (M.D.); (S.S.); (A.P.); (A.A.); (L.D.E.)
| | - Michele Iafisco
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy; (F.C.); (M.D.); (S.S.); (A.P.); (A.A.); (L.D.E.)
| | - Clara Piccirillo
- Institute of Nanotechnology (NANOTEC), National Research Council (CNR), Campus Ecoteckne, Via Monteroni, 73100 Lecce, Italy;
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21
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Yoon HY, Lee JG, Esposti LD, Iafisco M, Kim PJ, Shin SG, Jeon JR, Adamiano A. Synergistic Release of Crop Nutrients and Stimulants from Hydroxyapatite Nanoparticles Functionalized with Humic Substances: Toward a Multifunctional Nanofertilizer. ACS Omega 2020; 5:6598-6610. [PMID: 32258895 PMCID: PMC7114695 DOI: 10.1021/acsomega.9b04354] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Accepted: 03/03/2020] [Indexed: 05/03/2023]
Abstract
The use of salt- or macro-sized NPK fertilizers is typically associated with low nutrient use efficiency and water eutrophication. Nanotechnology can overcome such drawbacks, but its practical application on a large scale is limited by (i) high costs and difficult scale-up of nanoparticle synthesis, (ii) questionable advantages over traditional methods, and (iii) health hazards related to nanomaterial introduction in the food stream and the environment. Here, we report on a novel biocompatible and multifunctional P nanofertilizer obtained by self-assembling natural or synthetic humic substances and hydroxyapatite nanoparticles using a simple and straightforward dipping process, exploiting the interaction between the polyphenolic groups of humic substances and the surface of nanohydroxyapatite. Pot tests using the as-prepared materials were performed on Zea mays as a model crop, and the results were compared to those obtained using commercial fused superphosphate and bare nanohydroxyapatites. A significant improvement, in terms of early plant growth, corn productivity, rhizosphere bacteria, and the resistance to NaCl-induced abiotic stresses, was achieved using hydroxyapatite nanoparticles assembled with humic substances. These effects were ascribed to the synergistic co-release of phosphate ions and humic substances, which are two types of plant-beneficial agents for crop nutrition and stimulation, respectively. The release patterns were proven to be tunable with the amount of humic substances adsorbed on the nanoparticles, inducing competition between humic-substance-driven phosphorous dissolution and block of water contact. Such positive effects on plant growth in association with its intrinsic biocompatibility, simple synthesis, and multifunctionality qualify this novel nanofertilizer as a promising material for large-scale use in the agronomic field.
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Affiliation(s)
- Ho Young Yoon
- Department
of Agricultural Chemistry and Food Science & Technology, Division of Applied
Life Science (BK21Plus), and IALS, Gyeongsang National
University, Jinju 52828, Republic of Korea
| | - Jeong Gu Lee
- Department
of Agricultural Chemistry and Food Science & Technology, Division of Applied
Life Science (BK21Plus), and IALS, Gyeongsang National
University, Jinju 52828, Republic of Korea
| | - Lorenzo Degli Esposti
- Institute
of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy
| | - Michele Iafisco
- Institute
of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy
| | - Pil Joo Kim
- Department
of Agricultural Chemistry and Food Science & Technology, Division of Applied
Life Science (BK21Plus), and IALS, Gyeongsang National
University, Jinju 52828, Republic of Korea
| | - Seung Gu Shin
- Department
of Energy Engineering, Future Convergence Technology Research Institute, Gyeongnam National University of Science and Technology, Jinju 52725, Republic of Korea
| | - Jong-Rok Jeon
- Department
of Agricultural Chemistry and Food Science & Technology, Division of Applied
Life Science (BK21Plus), and IALS, Gyeongsang National
University, Jinju 52828, Republic of Korea
- . Phone: +82-55-772-1962. Fax: +82-55-772-1969
| | - Alessio Adamiano
- Institute
of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy
- . Phone: +39-0546-699-724. Fax: +39-0546-699-799
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22
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Miragoli M, Ceriotti P, Iafisco M, Vacchiano M, Salvarani N, Alogna A, Carullo P, Ramirez-Rodríguez GB, Patrício T, Esposti LD, Rossi F, Ravanetti F, Pinelli S, Alinovi R, Erreni M, Rossi S, Condorelli G, Post H, Tampieri A, Catalucci D. Inhalation of peptide-loaded nanoparticles improves heart failure. Sci Transl Med 2019; 10:10/424/eaan6205. [PMID: 29343624 DOI: 10.1126/scitranslmed.aan6205] [Citation(s) in RCA: 106] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Revised: 08/17/2017] [Accepted: 11/29/2017] [Indexed: 12/12/2022]
Abstract
Peptides are highly selective and efficacious for the treatment of cardiovascular and other diseases. However, it is currently not possible to administer peptides for cardiac-targeting therapy via a noninvasive procedure, thus representing scientific and technological challenges. We demonstrate that inhalation of small (<50 nm in diameter) biocompatible and biodegradable calcium phosphate nanoparticles (CaPs) allows for rapid translocation of CaPs from the pulmonary tree to the bloodstream and to the myocardium, where their cargo is quickly released. Treatment of a rodent model of diabetic cardiomyopathy by inhalation of CaPs loaded with a therapeutic mimetic peptide that we previously demonstrated to improve myocardial contraction resulted in restoration of cardiac function. Translation to a porcine large animal model provides evidence that inhalation of a peptide-loaded CaP formulation is an effective method of targeted administration to the heart. Together, these results demonstrate that inhalation of biocompatible tailored peptide nanocarriers represents a pioneering approach for the pharmacological treatment of heart failure.
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Affiliation(s)
- Michele Miragoli
- Humanitas Clinical and Research Center, Rozzano, Milan 20089, Italy. .,Department of Medicine and Surgery, University of Parma, Parma 43126, Italy.,Institute of Genetics and Biomedical Research, Milan Unit, National Research Council, Milan 20138, Italy
| | - Paola Ceriotti
- Humanitas Clinical and Research Center, Rozzano, Milan 20089, Italy.,Institute of Genetics and Biomedical Research, Milan Unit, National Research Council, Milan 20138, Italy
| | - Michele Iafisco
- Institute of Science and Technology for Ceramics, National Research Council, Faenza, Ravenna 48018, Italy
| | - Marco Vacchiano
- Humanitas Clinical and Research Center, Rozzano, Milan 20089, Italy
| | - Nicolò Salvarani
- Humanitas Clinical and Research Center, Rozzano, Milan 20089, Italy.,Institute of Genetics and Biomedical Research, Milan Unit, National Research Council, Milan 20138, Italy
| | - Alessio Alogna
- Department of Internal Medicine and Cardiology, Campus Virchow Klinikum, Charité University Medicine Berlin, Berlin 13353, Germany.,Berlin Institute of Health, Berlin 10117, Germany
| | - Pierluigi Carullo
- Humanitas Clinical and Research Center, Rozzano, Milan 20089, Italy.,Institute of Genetics and Biomedical Research, Milan Unit, National Research Council, Milan 20138, Italy
| | | | - Tatiana Patrício
- Institute of Science and Technology for Ceramics, National Research Council, Faenza, Ravenna 48018, Italy
| | - Lorenzo Degli Esposti
- Institute of Science and Technology for Ceramics, National Research Council, Faenza, Ravenna 48018, Italy
| | - Francesca Rossi
- Institute of Materials for Electronics and Magnetism, National Research Council, Parma 43126, Italy
| | | | - Silvana Pinelli
- Department of Medicine and Surgery, University of Parma, Parma 43126, Italy
| | - Rossella Alinovi
- Department of Medicine and Surgery, University of Parma, Parma 43126, Italy
| | - Marco Erreni
- Humanitas Clinical and Research Center, Rozzano, Milan 20089, Italy.,Humanitas University, Rozzano, Milan 20089, Italy
| | - Stefano Rossi
- Department of Medicine and Surgery, University of Parma, Parma 43126, Italy
| | - Gianluigi Condorelli
- Humanitas Clinical and Research Center, Rozzano, Milan 20089, Italy.,Institute of Genetics and Biomedical Research, Milan Unit, National Research Council, Milan 20138, Italy.,Humanitas University, Rozzano, Milan 20089, Italy
| | - Heiner Post
- Department of Internal Medicine and Cardiology, Campus Virchow Klinikum, Charité University Medicine Berlin, Berlin 13353, Germany.,Department of Cardiology, Contilia Heart and Vessel Centre, St. Marien-Hospital Mülheim, Mülheim 45468, Germany
| | - Anna Tampieri
- Institute of Science and Technology for Ceramics, National Research Council, Faenza, Ravenna 48018, Italy
| | - Daniele Catalucci
- Humanitas Clinical and Research Center, Rozzano, Milan 20089, Italy. .,Institute of Genetics and Biomedical Research, Milan Unit, National Research Council, Milan 20138, Italy
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23
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Carella F, Degli Esposti L, Barreca D, Rizzi GA, Martra G, Ivanchenko P, Escolano Casado G, Gomez Morales J, Delgado Lòpez JM, Tampieri A, Iafisco M. Role of citrate in the formation of enamel-like calcium phosphate oriented nanorod arrays. CrystEngComm 2019. [DOI: 10.1039/c9ce00508k] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The effect of citrate on the formation of oriented fluoride doped hydroxyapatite nanorods grown on an amorphous calcium phosphate substrate was investigated.
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Affiliation(s)
- Francesca Carella
- Institute of Science and Technology for Ceramics (ISTEC)
- National Research Council (CNR)
- Faenza
- Italy
| | - Lorenzo Degli Esposti
- Institute of Science and Technology for Ceramics (ISTEC)
- National Research Council (CNR)
- Faenza
- Italy
| | - Davide Barreca
- CNR-ICMATE and INSTM
- Department of Chemical Sciences
- Padova University
- Padova
- Italy
| | - Gian Andrea Rizzi
- Department of Chemical Sciences and INSTM
- Padova University
- Padova
- Italy
| | - Gianmario Martra
- Department of Chemistry and Interdepartmental Centre “Nanostructured Interfaces and Surfaces – NIS” of the University of Torino
- Torino
- Italy
| | - Pavlo Ivanchenko
- Department of Chemistry and Interdepartmental Centre “Nanostructured Interfaces and Surfaces – NIS” of the University of Torino
- Torino
- Italy
| | - Guillermo Escolano Casado
- Department of Chemistry and Interdepartmental Centre “Nanostructured Interfaces and Surfaces – NIS” of the University of Torino
- Torino
- Italy
| | | | | | - Anna Tampieri
- Institute of Science and Technology for Ceramics (ISTEC)
- National Research Council (CNR)
- Faenza
- Italy
| | - Michele Iafisco
- Institute of Science and Technology for Ceramics (ISTEC)
- National Research Council (CNR)
- Faenza
- Italy
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24
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Iafisco M, Degli Esposti L, Ramírez-Rodríguez GB, Carella F, Gómez-Morales J, Ionescu AC, Brambilla E, Tampieri A, Delgado-López JM. Fluoride-doped amorphous calcium phosphate nanoparticles as a promising biomimetic material for dental remineralization. Sci Rep 2018; 8:17016. [PMID: 30451901 PMCID: PMC6242929 DOI: 10.1038/s41598-018-35258-x] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Accepted: 10/29/2018] [Indexed: 11/09/2022] Open
Abstract
Demineralization of dental hard tissue is a widespread problem and the main responsible for dental caries and dentin hypersensitivity. The most promising strategies to induce the precipitation of new mineral phase are the application of materials releasing gradually Ca2+ and PO43- ions or mimicking the mineral phase of the host tissue. However, the design of formulations covering both processes is so far a challenge in preventive dentistry. In this work, we have synthesized innovative biomimetic amorphous calcium phosphate (ACP), which has been, for the first time, doped with fluoride ions (FACP) to obtain materials with enhanced anti-caries and remineralizing properties. Significantly, the doping with fluoride (F) did not vary the physico-chemical features of ACP but resulted in a faster conversion to the crystalline apatite phase in water, as observed by in-situ time-dependent Raman experiments. The efficacy of the as synthesized ACP and FACP samples to occlude dentinal tubules and induce enamel remineralization has been tested in vitro in human molar teeth. The samples showed good ability to partially occlude the tubules of acid-etched dentin and to restore demineralized enamel into its native structure. Results demonstrate that ACP and FACP are promising biomimetic materials in preventive dentistry to hinder demineralization of dental hard tissues.
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Affiliation(s)
- Michele Iafisco
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018, Faenza, Italy.
| | - Lorenzo Degli Esposti
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018, Faenza, Italy
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze 17/a, 43124, Parma, Italy
| | | | - Francesca Carella
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018, Faenza, Italy
| | - Jaime Gómez-Morales
- Laboratorio de Estudios Cristalográficos, Instituto Andaluz de Ciencias de la Tierra, IACT (CSIC-UGR), Av. Las Palmeras 4, 18100, Armilla, Spain
| | - Andrei Cristian Ionescu
- Oral Microbiology Laboratory, Galeazzi Orthopedic Institute, Department of Biomedical, Surgical and Dental sciences, University of Milan, Via Pascal, 36, 20133, Milan, Italy
| | - Eugenio Brambilla
- Oral Microbiology Laboratory, Galeazzi Orthopedic Institute, Department of Biomedical, Surgical and Dental sciences, University of Milan, Via Pascal, 36, 20133, Milan, Italy
| | - Anna Tampieri
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018, Faenza, Italy
| | - José Manuel Delgado-López
- Departamento de Química Inorgánica, Universidad de Granada, Av. Fuente Nueva, s/n, 18071, Granada, Spain.
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25
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Abstract
Synthetic calcium phosphates (CaPs) are the most widely accepted bioceramics for the repair and reconstruction of bone tissue defects. The recent advancements in materials science have prompted a rapid progress in the preparation of CaPs with nanometric dimensions, tailored surface characteristics, and colloidal stability opening new perspectives in their use for applications not strictly related to bone. In particular, the employment of CaPs nanoparticles as carriers of therapeutic and imaging agents has recently raised great interest in nanomedicine. CaPs nanoparticles, as well as other kinds of nanoparticles, can be engineered to specifically target the site of the disease (cells or organs), thus minimizing their dispersion in the body and undesired organism-nanoparticles interactions. The most promising and efficient approach to improve their specificity is the 'active targeting', where nanoparticles are conjugated with a targeting moiety able to recognize and bind with high efficacy and selectivity to receptors that are highly expressed only in the therapeutic site. The aim of this review is to give an overview on advanced targeted nanomedicine with a focus on the most recent reports on CaP nanoparticles-based systems, specifically designed for the active targeting. The distinctive characteristics of CaP nanoparticles with respect to the other kinds of nanomaterials used in nanomedicine are also discussed.
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Affiliation(s)
- Lorenzo Degli Esposti
- a Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR) , Faenza , Italy
| | - Francesca Carella
- a Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR) , Faenza , Italy
| | - Alessio Adamiano
- a Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR) , Faenza , Italy
| | - Anna Tampieri
- a Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR) , Faenza , Italy
| | - Michele Iafisco
- a Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR) , Faenza , Italy
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