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De Luca S, Verdoliva V, Kargozar S, Baino F. Bioactive Glass-Ceramic Scaffolds Coated with Hyaluronic Acid-Fatty Acid Conjugates: A Feasibility Study. J Funct Biomater 2023; 14:jfb14010026. [PMID: 36662073 PMCID: PMC9866274 DOI: 10.3390/jfb14010026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 12/23/2022] [Accepted: 12/28/2022] [Indexed: 01/03/2023] Open
Abstract
Promoting bone healing is a key challenge in our society that can be tackled by developing new implantable biomaterials provided with regenerative properties. In this work, the coating of three-dimensional porous glass-derived scaffolds with hyaluronic acid (HA)-fatty acids was investigated for the first time. The starting scaffolds, based on bioactive silicate glass, were produced by foam replication followed by sintering; then, HA-palmitate and HA-oleate conjugate coatings were deposited on the scaffold struts through a dipping procedure. FT-IR analysis confirmed the successful deposition of the coatings on the surface and struts of the scaffolds, the foam-like architecture of which was maintained as assessed by SEM investigations. The in vitro bioactivity of the HA-fatty-acid-coated scaffolds was studied by immersion tests in simulated body fluid and the subsequent evaluation of hydroxyapatite formation. The deposition of the polymeric coating did not inhibit the apatite-forming ability of scaffolds, as revealed by the formation of nanostructured hydroxyapatite agglomerates 48 h from immersion. These promising results motivate further investigation of these novel bioactive systems, which are expected to combine the bone-bonding properties of the glass with the wound-healing promotion carried out by the polymeric conjugates.
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Affiliation(s)
- Stefania De Luca
- Institute of Biostructures and Bioimaging, National Research Council, 80134 Naples, Italy
| | - Valentina Verdoliva
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania “Luigi Vanvitelli”, Via Vivaldi 43, 81100 Caserta, Italy
| | - Saeid Kargozar
- Tissue Engineering Research Group (TERG), Department of Anatomy and Cell Biology, School of Medicine, Mashhad University of Medical Sciences, Mashhad 917794-8564, Iran
| | - Francesco Baino
- Institute of Materials Physics and Engineering, Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
- Correspondence:
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Hyaluronic acid hydrolysis using vacuum ultraviolet TiO 2 photocatalysis combined with an oxygen nanobubble system. Carbohydr Polym 2023; 299:120178. [PMID: 36876793 DOI: 10.1016/j.carbpol.2022.120178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 09/16/2022] [Accepted: 09/27/2022] [Indexed: 11/23/2022]
Abstract
Advanced technologies for producing high-quality low molecular weight hyaluronic acid (LMW-HA) are required from the perspective of cost-efficiency and biosafety. Here, we report a new LMW-HA production system from high molecular weight HA (HMW-HA) using vacuum ultraviolet TiO2 photocatalysis with an oxygen nanobubble system (VUV-TP-NB). The VUV-TP-NB treatment for 3 h resulted in a satisfactory LMW-HA (approximately 50 kDa measured by GPC) yield with a low endotoxin level. Further, there were no inherent structural changes in the LMW-HA during the oxidative degradation process. Compared with conventional acid and enzyme hydrolysis methods, VUV-TP-NB showed similar degradation degree with viscosity though reduced process time by at least 8-fold. In terms of endotoxin and antioxidant effects, degradation using VUV-TP-NB demonstrated the lowest endotoxin level (0.21 EU/mL) and highest radical scavenging activity. This nanobubble-based photocatalysis system can thus be used to produce biosafe LMW-HA cost-effectively for food, medical, and cosmetics applications.
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Fan Y, Liu Y, Wu Y, Dai F, Yuan M, Wang F, Bai Y, Deng H. Natural polysaccharides based self-assembled nanoparticles for biomedical applications - A review. Int J Biol Macromol 2021; 192:1240-1255. [PMID: 34678381 DOI: 10.1016/j.ijbiomac.2021.10.074] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 10/04/2021] [Accepted: 10/09/2021] [Indexed: 12/13/2022]
Abstract
In recent years, nanoparticles (NPs) derived from the self-assembly of natural polysaccharides have shown great potential in the biomedical field. Here, we described several self-assembly modes of natural polysaccharides in detail, summarized the natural polysaccharides mostly used for self-assembly, and provided insights into the current applications and achievements of these self-assembled NPs. As one of the most widespread substances in nature, most natural polysaccharides exhibit advantages of biodegradability, low immunogenicity, low toxicity, and degradable properties. Therefore, they have been fully explored, and the application of chitosan, hyaluronic acid, alginate, starch, and their derivatives has been extensively studied, especially in the fields of biomedical. Polysaccharides based NPs were proved to improve the solubility of insoluble drugs, enhance tissue target ability and realize the controlled and sustained release of drugs. When modified by hydrophobic groups, the amphiphilic polysaccharides can self-assemble into NPs. Other driven forces of self-assembly include electrostatic interaction and hydrogen bonds. Up to the present, polysaccharides-based nanoparticles have been widely applied for tumor treatment, antibacterial application, gene therapy, photodynamic therapy and transporting insulin.
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Affiliation(s)
- Yaqi Fan
- Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai 200443, China
| | - Yeqiang Liu
- Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai 200443, China
| | - Yang Wu
- Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Key Laboratory of Biomass Resource Chemistry and Environmental Biotechnology, Hubei Engineering Center of Natural Polymers-based Medical Materials, School of Resource and Environmental Science, Wuhan University, Wuhan 430079, China
| | - Fangfang Dai
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China
| | - Mengqin Yuan
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China
| | - Feiyan Wang
- Shanghai Skin Disease Clinical College of Anhui Medical University, Shanghai Skin Disease Hospital, Shanghai 200443, China
| | - Yun Bai
- Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai 200443, China.
| | - Hongbing Deng
- Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Key Laboratory of Biomass Resource Chemistry and Environmental Biotechnology, Hubei Engineering Center of Natural Polymers-based Medical Materials, School of Resource and Environmental Science, Wuhan University, Wuhan 430079, China.
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Curcumin-Loaded Nanoparticles Based on Amphiphilic Hyaluronan-Conjugate Explored as Targeting Delivery System for Neurodegenerative Disorders. Int J Mol Sci 2020; 21:ijms21228846. [PMID: 33238365 PMCID: PMC7700413 DOI: 10.3390/ijms21228846] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 11/15/2020] [Accepted: 11/19/2020] [Indexed: 12/15/2022] Open
Abstract
Identification of molecules able to promote neuroprotective mechanisms can represent a promising therapeutic approach to neurodegenerative disorders including Huntington's disease. Curcumin is an antioxidant and neuroprotective agent, even though its efficacy is limited by its poor absorption, rapid metabolism, systemic elimination, and limited blood-brain barrier (BBB) permeability. Herein, we report on novel biodegradable curcumin-containing nanoparticles to favor the compound delivery and potentially enhance its brain bioavailability. The prepared hyaluronan-based materials able to self-assemble in stable spherical nanoparticles, consist of natural fatty acids chemically conjugated to the natural polysaccharide. The aim of this study is to provide a possible effective delivery system for curcumin with the expectation that, after having released the drug at the specific site, the biopolymer can degrade to nontoxic fragments before renal excretion, since all the starting materials are provided by natural resource. Our findings demonstrate that curcumin-encapsulated nanoparticles enter the cells and reduce their susceptibility to apoptosis in an in vitro model of Huntington's disease.
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Ponedel'kina IY, Gaskarova AR, Khaybrakhmanova EA, Tyumkina TV, Vafina GF. Development of solvent-free protocols for obtaining highly substituted maleates of hyaluronic acid and other glycosaminoglycans. Carbohydr Polym 2020; 235:115938. [PMID: 32122480 DOI: 10.1016/j.carbpol.2020.115938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 01/14/2020] [Accepted: 01/29/2020] [Indexed: 11/25/2022]
Abstract
Solvent-free protocols using microwave-assisted heating (i) or conventional heating without additives (ii) or adding K2CO3 (iii), or triturating at room temperature in the presence of K2CO3 (iv) were first used to esterify glycosaminoglycans (GAG) with maleic anhydride. High and low molecular weight hyaluronic acid (HMW and LMW HA), dermatan sulfate (Ds), heparin (HEP) and C6-oxidized HA (carboxy-HA) were used as substrates for maleation. Protocols (i)-(iii) were most effective for obtaining maleates with high DS (1.39-2.47), but had a strong degrading effect on GAG. Protocol (iv) did not have destructive effect, but was suitable for obtaining only HMW HA maleate (DS 0.71-1.15). Primary hydroxyl groups of HA and Ds showed a higher reactivity compared to the secondary ones. A specific feature of the HEP maleation was substitution of N-sulfate groups for N-maleate groups. To demonstrate the potential of the obtained maleates for thiol-ene click-chemical strategies, the reaction with l-cysteine was performed.
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Affiliation(s)
- Irina Y Ponedel'kina
- Institute of Petrochemistry and Catalysis of Russian Academy of Sciences, 141 prosp. Oktaybrya, Ufa 450075, Russian Federation.
| | - Aigul R Gaskarova
- Institute of Petrochemistry and Catalysis of Russian Academy of Sciences, 141 prosp. Oktaybrya, Ufa 450075, Russian Federation
| | - Elvira A Khaybrakhmanova
- Institute of Petrochemistry and Catalysis of Russian Academy of Sciences, 141 prosp. Oktaybrya, Ufa 450075, Russian Federation
| | - Tatyana V Tyumkina
- Institute of Petrochemistry and Catalysis of Russian Academy of Sciences, 141 prosp. Oktaybrya, Ufa 450075, Russian Federation
| | - Guzel F Vafina
- Ufa Institute of Chemistry UFRC RAS, 71 prosp. Oktaybrya, Ufa 450054, Russian Federation
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Grafted hyaluronic acid N-acetyl-l-methionine for targeting of LAT1 receptor: In-silico, synthesis and microscale thermophoresis studies. Int J Biol Macromol 2019; 125:767-777. [PMID: 30553855 DOI: 10.1016/j.ijbiomac.2018.12.104] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Revised: 11/29/2018] [Accepted: 12/12/2018] [Indexed: 11/20/2022]
Abstract
Neutral amino acids can be delivered into cells through the l-type amino acid transporter-1 (LAT1), which is a sodium independent transporter. The LAT1 protein is expressed in different tissues, including kidney, blood brain barrier and intestinal wall hence LAT1 can be used as a target in diseases associated with its overexpression. In-silico interactions between different ligands, including methionine (Met), N-acetyl-l-methionine (AcMet), hyaluronic acid (HA), grafted hyaluronic-acid l-methionine (HA-ADH-Met) and a novel grafted hyaluronic acid-N-acetyl-l-methionine (HA-ADH-AcMet), which are at the active site of the LAT1 transporter, were studied and the binding energies calculated. The HA-ADH-AcMet complex demonstrated binding energy and solvation energy of -74.84 and 81.46 kcal/mol, respectively, thus validating its potential to be synthesized. The structural conformation of the HA-ADH-AcMet was confirmed using 1H NMR, FTIR, DSC and PXRD. Microscale thermophoresis was employed to study the binding affinity between the different ligands and LAT1. The binding affinity was expressed in terms of a dissociation constant (Kd), where that of HA-ADH-AcMet was found to be 408 nM which was considered the strongest among the different ligands tested. HA-ADH-AcMet can be used as a targeting moiety for development of medicines to treat different diseases and processes that express LAT1 protein.
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Effect of Methylcellulose Molecular Weight on the Properties of Self-Assembling MC-g-PNtBAm Nanogels. Bioengineering (Basel) 2018; 5:bioengineering5020039. [PMID: 29882882 PMCID: PMC6027385 DOI: 10.3390/bioengineering5020039] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 05/15/2018] [Accepted: 05/21/2018] [Indexed: 11/17/2022] Open
Abstract
The efficiency of drug delivery to the eye using topical drop therapy is limited by the ocular clearance mechanisms. Nanocarriers, able to encapsulate bioactive compounds and slow down their release, may allow for prolonged on-eye residence times when combined with topical application for treatment of ocular conditions. Previously, self-assemblies of methylcellulose (MC) hydrophobized with N-tert-butylacrylamide side chains (MC-g-PNtBAm) were developed. The purpose of the current study was to investigate the impact of the methylcellulose backbone length on the properties of the nanogels. We synthesized MC-g-PNtBAm nanogels using four different molecular weights of MC with two degrees of hydrophobic modification and investigated the physical and chemical properties of the resulting polymeric nanogels. While no significant change could be observed at a high degree of hydrophobization, properties were affected at a lower one. Increasing the molecular weight of MC improved the swelling capacity of the nanogels, increasing their size in water. An effect on the drug release was also noted. Nanogels prepared using MC with a molecular weight of 30 kDa did not retain as much dexamethasone and released it faster compared to those prepared using 230 kDa MC. Thus, besides the degree of hydrophobization, the length of MC chains provides another means of tuning the properties of MC-g-PNtBAm nanogels.
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Raghupathi K, Skinner M, Chang G, Crawley C, Yoshida-Moriguchi T, Pipenhagen P, Zhu Y, Avila LZ, Miller RJ, Dhal PK. Hyaluronic Acid Microgels as Intracellular Endosomolysis Reagents. ACS Biomater Sci Eng 2018; 4:558-565. [DOI: 10.1021/acsbiomaterials.7b00966] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Kishore Raghupathi
- Sanofi Global R&D, 153 Second Avenue, Waltham, Massachusetts 02451, United States
| | - Matthew Skinner
- Sanofi Global R&D, 153 Second Avenue, Waltham, Massachusetts 02451, United States
| | - Grace Chang
- Sanofi Global R&D, 153 Second Avenue, Waltham, Massachusetts 02451, United States
| | - Cristin Crawley
- Sanofi Global R&D, 153 Second Avenue, Waltham, Massachusetts 02451, United States
| | | | - Peter Pipenhagen
- Sanofi Global R&D, 153 Second Avenue, Waltham, Massachusetts 02451, United States
| | - Yunxiang Zhu
- Sanofi Global R&D, 153 Second Avenue, Waltham, Massachusetts 02451, United States
| | - Luis Z. Avila
- Sanofi Global R&D, 153 Second Avenue, Waltham, Massachusetts 02451, United States
| | - Robert J. Miller
- Sanofi Global R&D, 153 Second Avenue, Waltham, Massachusetts 02451, United States
| | - Pradeep K. Dhal
- Sanofi Global R&D, 153 Second Avenue, Waltham, Massachusetts 02451, United States
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Calce E, Mercurio FA, Leone M, Saviano M, De Luca S. Eco-friendly microwave-assisted protocol to prepare hyaluronan-fatty acid conjugates and to induce their self-assembly process. Carbohydr Polym 2016; 143:84-9. [PMID: 27083346 DOI: 10.1016/j.carbpol.2016.02.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2015] [Revised: 01/26/2016] [Accepted: 02/01/2016] [Indexed: 01/08/2023]
Abstract
An environmentally sustainable and energy-efficient synthetic process has been developed to prepare hyaluronan-based nano-sized material. It consists in a microwave-promoted acylation of the hydroxyl function of the polysaccharide with natural fatty acids, performed under solvent-free conditions. The efficient interaction of the solid reagents with the MW radiation accounts for the obtained high yielded products. The self-assembly process of the obtained compounds very fast occurred in an aqueous medium under MW-radiation, thus allowing the development of a green protocol for the nano-particles preparation.
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Affiliation(s)
- Enrica Calce
- Institute of Biostructures and Bioimaging, National Research Council, 80138 Naples, Italy
| | - Flavia Anna Mercurio
- Institute of Biostructures and Bioimaging, National Research Council, 80138 Naples, Italy
| | - Marilisa Leone
- Institute of Biostructures and Bioimaging, National Research Council, 80138 Naples, Italy
| | - Michele Saviano
- Institute of Crystallography, National Research Council, 70126 Bari, Italy
| | - Stefania De Luca
- Institute of Biostructures and Bioimaging, National Research Council, 80138 Naples, Italy.
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