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Castellani S, Mallamaci R, De Giglio E, Caponio A, Guerra L, Fracchiolla G, Trapani G, Kristan K, Cardone RA, Passantino G, Zizzo N, Franzino G, Larobina D, Trapani A, Conese M. Slightly viscous dispersions of mucoadhesive polymers as vehicles for nasal administration of dopamine and grape seed extract-loaded solid lipid nanoparticles. Int J Pharm 2024; 659:124255. [PMID: 38782151 DOI: 10.1016/j.ijpharm.2024.124255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 05/19/2024] [Accepted: 05/20/2024] [Indexed: 05/25/2024]
Abstract
With the aim to find an alternative vehicle to the most used thermosensitive hydrogels for efficient nanotechnology-based nose-to-brain delivery approach for Parkinson's disease (PD) treatment, in this work we evaluated the Dopamine (DA) and the antioxidant grape seed-derived pro-anthocyanidins (Grape Seed Extract, GSE) co-loaded solid lipid nanoparticles (SLNs) put in slight viscous dispersions (SVDs). These SVDs were prepared by dispersion in water at low concentrations of mucoadhesive polymers to which SLN pellets were added. For the purpose, we investigated two polymeric blends, namely Poloxamer/Carbopol (PF-127/Carb) and oxidized alginate/Hydroxypropylmethyl cellulose (AlgOX/HPMC). Rheological studies showed that the two fluids possess Newtonian behaviour with a viscosity slightly higher that water. The pH values of the SVDs were mainly within the normal range of nasal fluid as well as almost no osmotic effect was associated to both SVDs. All the SVDs were capable to provide DA permeation through nasal porcine mucosa. Moreover, it was found that PF-127/Carb blend possesses penetration enhancer capability better than the Alg OX/HPMC combination. Flow cytometry studies demonstrated the uptake of viscous liquids incorporating fluorescent SLNs by human nasal RPMI 2650 cell in time-dependent manner. In conclusion, the SVD formulations may be considered promising alternatives to thermosensitive hydrogels strategy. Moreover, in a broader perspective, such SVD formulations may be also hopeful for treating various neurological diseases beyond PD treatment.
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Affiliation(s)
- Stefano Castellani
- Department of Precision and Regenerative Medicine and Ionian Area (DiMePRe-J), University of Bari "Aldo Moro", 70125 Bari, Italy
| | - Rosanna Mallamaci
- Department of Biosciences, Biotechnologies and Environment, University of Bari "Aldo Moro", 70125 Bari, Italy
| | - Elvira De Giglio
- Department of Chemistry, University of Bari "Aldo Moro", 70125 Bari, Italy
| | - Antonello Caponio
- Department of Pharmacy-Drug Sciences, University of Bari "Aldo Moro", Via Orabona 4, 70125 Bari, Italy
| | - Lorenzo Guerra
- Department of Biosciences, Biotechnologies and Environment, University of Bari "Aldo Moro", 70125 Bari, Italy
| | - Giuseppe Fracchiolla
- Department of Pharmacy-Drug Sciences, University of Bari "Aldo Moro", Via Orabona 4, 70125 Bari, Italy
| | - Giuseppe Trapani
- Department of Pharmacy-Drug Sciences, University of Bari "Aldo Moro", Via Orabona 4, 70125 Bari, Italy
| | - Katja Kristan
- Faculty of Medicine, Institute of Biochemistry and Molecular Genetics, University of Ljubljana, Vrazov trg 2, 1000 Ljubljana, Slovenia
| | - Rosa Angela Cardone
- Department of Biosciences, Biotechnologies and Environment, University of Bari "Aldo Moro", 70125 Bari, Italy
| | - Giuseppe Passantino
- Department of Veterinary Medicine, Pathological Anatomy, University of Bari "Aldo Moro", 70125 Bari, Italy
| | - Nicola Zizzo
- Department of Veterinary Medicine, Pathological Anatomy, University of Bari "Aldo Moro", 70125 Bari, Italy
| | - Giorgia Franzino
- Consiglio Nazionale delle Ricerche Istituto per i Polimeri, Compositi e Biomateriali P. le Enrico Fermi, 1 80055 Naples, Italy
| | - Domenico Larobina
- Consiglio Nazionale delle Ricerche Istituto per i Polimeri, Compositi e Biomateriali P. le Enrico Fermi, 1 80055 Naples, Italy
| | - Adriana Trapani
- Department of Pharmacy-Drug Sciences, University of Bari "Aldo Moro", Via Orabona 4, 70125 Bari, Italy.
| | - Massimo Conese
- Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy
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El-Say KM, Megahed MA, Abdalla A, El-Sawy HS, Afify H, Ramadan AA, Ahmed TA. P-gp inhibition and enhanced oral bioavailability of amikacin Sulfate: A novel approach using Thiolated Chito-PEGylated Lipidic Hybrids. Int J Pharm 2024; 658:124200. [PMID: 38710298 DOI: 10.1016/j.ijpharm.2024.124200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 05/01/2024] [Accepted: 05/02/2024] [Indexed: 05/08/2024]
Abstract
This study aimed to develop oral lipidic hybrids of amikacin sulfate (AMK), incorporating thiolated chitosan as a P-glycoprotein (P-gp) inhibitor to enhance intestinal absorptivity and bioavailability. Three formulations were designed: PEGylated Liposomes, Chitosan-functionalized PEGylated (Chito-PEGylated) Lipidic Hybrids, and Thiolated Chito-PEGylated Lipidic Hybrids. The physical characteristics of nanovesicles were assessed. Ex-vivo permeation and confocal laser scanning microscopy (CLSM) studies were conducted to evaluate the formulations' potential to enhance AMK intestinal permeability. In-vivo pharmacokinetic studies in rats and histological/biochemical investigations assessed the safety profile and oral bioavailability. The AMK-loaded Thiolated Chito-PEGylated Lipidic Hybrids exhibited favorable physical characteristics, higher ex-vivo permeation parameters, and verified P-gp inhibition via CLSM. They demonstrated heightened oral bioavailability (68.62% absolute bioavailability) and a sufficient safety profile. Relative bioavailability was significantly higher (1556.3% and 448.79%) compared to PEGylated Liposomes and Chito-PEGylated Lipidic Hybrids, respectively, indicating remarkable oral AMK delivery with fewer doses, reduced side effects, and enhanced patient compliance.
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Affiliation(s)
- Khalid M El-Say
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; Centre for Artificial Intelligence in Precision Medicines, King Abdulaziz University, Alsulaymanyah, Jeddah 21589, Saudi Arabia.
| | - Mohamed A Megahed
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Egyptian Russian University, Cairo 11829, Egypt
| | - Ahmed Abdalla
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Egyptian Russian University, Cairo 11829, Egypt
| | - Hossam S El-Sawy
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Egyptian Russian University, Cairo 11829, Egypt
| | - Hassan Afify
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Egyptian Russian University, Cairo 11829, Egypt
| | - Afaf A Ramadan
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Egyptian Russian University, Cairo 11829, Egypt; Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy (Girls), Al-Azhar University, Cairo 11765, Egypt
| | - Tarek A Ahmed
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; Centre for Artificial Intelligence in Precision Medicines, King Abdulaziz University, Alsulaymanyah, Jeddah 21589, Saudi Arabia
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Veider F, Haddadzadegan S, Sanchez Armengol E, Laffleur F, Kali G, Bernkop-Schnürch A. Inhibition of P-glycoprotein-mediated efflux by thiolated cyclodextrins. Carbohydr Polym 2024; 327:121648. [PMID: 38171673 DOI: 10.1016/j.carbpol.2023.121648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 11/20/2023] [Accepted: 11/26/2023] [Indexed: 01/05/2024]
Abstract
Overcoming P-glycoprotein (P-gp)-mediated efflux poses a significant challenge for the pharmaceutical industry. This study investigates the potential of thiolated β-cyclodextrins (β-CD-SHs) as inhibitors of P-gp-mediated efflux in Caco-2 cells. Through a series of transport assays, intracellular accumulation, and efflux of the P-gp substrates Rhodamine 123 (Rh123) and Calcein-AM with and without co-administration of β-CD-SHs were assessed. The results revealed that the cellular uptake of Rh123 and Calcein-AM were enhanced up to 7- and 3-fold, compared to the control, respectively. In efflux studies an up to 2.5-fold reduction of the Rh123 efflux was reached compared the control, indicating a substantial decrease of Rh123 efflux by β-CD-SHs. Furthermore, it was observed that β-CD-SHs led to a decrease in the reactivity of fluorescence-labeled anti-P-gp, suggesting additional effects on the conformation of P-gp. Overall, this study demonstrates the potential of β-CD-SHs as effective modulator of P-gp-mediated drug efflux in Caco-2 cells.
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Affiliation(s)
- Florina Veider
- Center for Chemistry and Biomedicine, Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria.
| | - Soheil Haddadzadegan
- Center for Chemistry and Biomedicine, Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria.
| | - Eva Sanchez Armengol
- Center for Chemistry and Biomedicine, Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria.
| | - Flavia Laffleur
- Center for Chemistry and Biomedicine, Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria.
| | - Gergely Kali
- Center for Chemistry and Biomedicine, Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria.
| | - Andreas Bernkop-Schnürch
- Center for Chemistry and Biomedicine, Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria.
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Trapani A, Cometa S, De Giglio E, Corbo F, Cassano R, Di Gioia ML, Trombino S, Hossain MN, Di Gioia S, Trapani G, Conese M. Novel Nanoparticles Based on N, O-Carboxymethyl Chitosan-Dopamine Amide Conjugate for Nose-to-Brain Delivery. Pharmaceutics 2022; 14:pharmaceutics14010147. [PMID: 35057043 PMCID: PMC8780454 DOI: 10.3390/pharmaceutics14010147] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 12/29/2021] [Accepted: 01/05/2022] [Indexed: 12/12/2022] Open
Abstract
A widely investigated approach to bypass the blood brain barrier is represented by the intranasal delivery of therapeutic agents exploiting the olfactory or trigeminal connections nose-brain. As for Parkinson’s disease (PD), characterized by dopaminergic midbrain neurons degeneration, currently there is no disease modifying therapy. Although several bio-nanomaterials have been evaluated for encapsulation of neurotransmitter dopamine (DA) or dopaminergic drugs in order to restore the DA content in parkinsonian patients, the premature leakage of the therapeutic agent limits this approach. To tackle this drawback, we undertook a study where the active was linked to the polymeric backbone by a covalent bond. Thus, novel nanoparticles (NPs) based on N,O-Carboxymethylchitosan-DA amide conjugate (N,O-CMCS-DA) were prepared by the nanoprecipitation method and characterized from a technological view point, cytotoxicity and uptake by Olfactory Ensheating Cells (OECs). Thermogravimetric analysis showed high chemical stability of N,O-CMCS-DA NPs and X-ray photoelectron spectroscopy evidenced the presence of amide linkages on the NPs surface. MTT test indicated their cytocompatibility with OECs, while cytofluorimetry and fluorescent microscopy revealed the internalization of labelled N,O-CMCS-DA NPs by OECs, that was increased by the presence of mucin. Altogether, these findings seem promising for further development of N,O-CMCS-DA NPs for nose-to-brain delivery application in PD.
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Affiliation(s)
- Adriana Trapani
- Department of Pharmacy-Drug Sciences, University of Bari “Aldo Moro”, 70125 Bari, Italy; (F.C.); (G.T.)
- Correspondence: ; Tel.: +39-080-5442114
| | | | - Elvira De Giglio
- Chemistry Department, University of Bari “Aldo Moro”, Via Orabona, 4, 70125 Bari, Italy;
| | - Filomena Corbo
- Department of Pharmacy-Drug Sciences, University of Bari “Aldo Moro”, 70125 Bari, Italy; (F.C.); (G.T.)
| | - Roberta Cassano
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Arcavacata di Rende, 87036 Cosenza, Italy; (R.C.); (M.L.D.G.); (S.T.)
| | - Maria Luisa Di Gioia
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Arcavacata di Rende, 87036 Cosenza, Italy; (R.C.); (M.L.D.G.); (S.T.)
| | - Sonia Trombino
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Arcavacata di Rende, 87036 Cosenza, Italy; (R.C.); (M.L.D.G.); (S.T.)
| | - Md Niamat Hossain
- Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy; (M.N.H.); (S.D.G.); (M.C.)
| | - Sante Di Gioia
- Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy; (M.N.H.); (S.D.G.); (M.C.)
| | - Giuseppe Trapani
- Department of Pharmacy-Drug Sciences, University of Bari “Aldo Moro”, 70125 Bari, Italy; (F.C.); (G.T.)
| | - Massimo Conese
- Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy; (M.N.H.); (S.D.G.); (M.C.)
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Hock N, Racaniello GF, Aspinall S, Denora N, Khutoryanskiy VV, Bernkop‐Schnürch A. Thiolated Nanoparticles for Biomedical Applications: Mimicking the Workhorses of Our Body. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2102451. [PMID: 34773391 PMCID: PMC8728822 DOI: 10.1002/advs.202102451] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 10/13/2021] [Indexed: 05/03/2023]
Abstract
Advances in nanotechnology have generated a broad range of nanoparticles (NPs) for numerous biomedical applications. Among the various properties of NPs are functionalities being related to thiol substructures. Numerous biological processes that are mediated by cysteine or cystine subunits of proteins representing the workhorses of the bodies can be transferred to NPs. This review focuses on the interface between thiol chemistry and NPs. Pros and cons of different techniques for thiolation of NPs are discussed. Furthermore, the various functionalities gained by thiolation are highlighted. These include overall bio- and mucoadhesive, cellular uptake enhancing, and permeation enhancing properties. Drugs being either covalently attached to thiolated NPs via disulfide bonds or being entrapped in thiolated polymeric NPs that are stabilized via inter- and intrachain crosslinking can be released at the diseased tissue or in target cells under reducing conditions. Moreover, drugs, targeting ligands, biological analytes, and enzymes bearing thiol substructures can be immobilized on noble metal NPs and quantum dots for therapeutic, theranostic, diagnostic, biosensing, and analytical reasons. Within this review a concise summary and analysis of the current knowledge, future directions, and potential clinical use of thiolated NPs are provided.
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Affiliation(s)
- Nathalie Hock
- Thiomatrix Forschungs und Beratungs GmbHTrientlgasse 65Innsbruck6020Austria
| | | | - Sam Aspinall
- Reading School of PharmacyUniversity of ReadingWhiteknights PO Box 224, Room 122 (Chemistry and Pharmacy Building)ReadingRG66DXUK
| | - Nunzio Denora
- Department of Pharmacy – Pharmaceutical SciencesUniversity of Bari “Aldo Moro”Bari70125Italy
| | - Vitaliy V. Khutoryanskiy
- Reading School of PharmacyUniversity of ReadingWhiteknights PO Box 224, Room 122 (Chemistry and Pharmacy Building)ReadingRG66DXUK
| | - Andreas Bernkop‐Schnürch
- Department of Pharmaceutical Technology, Institute of PharmacyUniversity of InnsbruckInnrain 80/82Innsbruck6020Austria
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Knoll P, Le NMN, Wibel R, Baus RA, Kali G, Asim MH, Bernkop-Schnürch A. Thiolated pectins: In vitro and ex vivo evaluation of three generations of thiomers. Acta Biomater 2021; 135:139-149. [PMID: 34418540 DOI: 10.1016/j.actbio.2021.08.016] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 08/11/2021] [Accepted: 08/12/2021] [Indexed: 02/06/2023]
Abstract
In recent decades, three generations of thiomers have been developed with the main purpose of obtaining enhanced interactions with mucosal tissues. Therefore, many different types of thiolated ligands have been generated and attached to polymeric backbones. The aim of this study was to synthesize all three generations of thiomers and to directly compare their properties regarding mucus penetration and mucoadhesion. Starting from pectin, the unprotected thiomer pectin-cysteine (Pec-Cys), the preactivated S-protected thiomer pectin-cysteine-mercaptonicotinic acid (Pec-Cys-MNA) and the less reactive S-protected thiomer pectin-cysteine-glutathione (Pec-Cys-GSH) were synthesized and characterised by FT-IR, NMR, and colorimetric studies. The polymers were evaluated regarding their cytotoxicity, swelling behaviour, viscosity after mixing with mucus, mucus diffusion, penetration into mucosa, and mucoadhesion. The amount of the three ligands (Cys, Cys-MNA and Cys-GSH) bound to the polymer was determined to be in the range of 193-196 µmol/g. All polymers showed no cytotoxicity. Viscosity of the mixture of Pec-Cys-MNA and Pec-Cys-GSH with mucus increased 21.5- and 26.7-fold, respectively, compared to the unmodified polymer within 3 hours. Swelling, mucoadhesion, interpenetration and mucus diffusion were increased in the following rank order: Pec-Cys < Pec-Cys-MNA < Pec-Cys-GSH. Results of mucoadhesion study indicated a 7.4 and 8.1-fold increase of Pec-Cys-MNA and Pec-Cys-GSH, respectively, compared to the unmodified polymer. As the less reactive S-protected thiomer exhibited higher mucoadhesive properties than the other thiomers, this study provides evidence for the superior mucoadhesion of 3rd generation thiomers. STATEMENT OF SIGNIFICANCE: Three generations of thiolated polymers have been developed bearing different types of thiol ligands with the main purpose of enhancing mucus interactions. In this study, all generations were synthesized on the polymeric backbone of pectin for the first time to directly compare their mucus penetrating and mucoadhesive properties. 1st generation exhibited covalently bound L-cysteine moieties. For 2nd generation, thiols of cysteines were S-protected with 2-mercaptonicotinic acid (MNA), resulting in high reactive disulfide bonds. 3rd generation was synthesized by a thiol/disulfide exchange of glutathione with MNA, producing a less reactive disulfide bond. Mucus penetrating and mucoadhesive properties were found to be increased as follows: 1st generation < 2nd generation < 3rd generation. According to these results, the thiomer of 3rd generation represents a promising excipient with strong mucoadhesion.
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Zhang N, Wu H, Liang Y, Ye J, Zhang H, Miao Y, Luo Y, Fan H, Yue T. Design and Preparation of "corn-like" SPIONs@DFK-SBP-M13 Assembly for Improvement of Effective Internalization. Int J Nanomedicine 2021; 16:7091-7102. [PMID: 34703229 PMCID: PMC8541766 DOI: 10.2147/ijn.s325282] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 09/30/2021] [Indexed: 12/20/2022] Open
Abstract
Purpose Superparamagnetic iron oxide nanoparticles (SPIONs) have exhibited preeminent diagnosis and treatment performances, but their low internalization severely limits predesigned functions. The low cell internalization is now an urgent bottleneck problem for almost all nanomaterials. To achieve more internalization of SPIONS, recombinant M13 phage was designed for targeted delivery and smart release. Methods M13 phages were designed to co-express exogenous SPARC binding peptide (SBP) and cathepsin B cleavage peptide (DFK), formed recombinant DFK-SBP-M13. 3.37± 0.06 nm of SPIONs were modified by 3, 4-dihydroxyhydrocinnamic acid (DHCA) to gain 10.80 ± 0.21 nm of DHCA-coated SPIONs, i.e., DHCA@SPIONs. Upon adjusting the proportions of DHCA@SPIONs and DFK-SBP-M13, the multi-carboxyl SPIONs assembled onto recombinant M13 phages via covalent bonding. The assemblies were co-cultured with MDA-MB-231 cells to interpret their internalization and smart release. Results The “corn-like” SPIONs@DFK-SBP-M13 (261.47±3.30 nm) assemblies have not been reported previously. The assembly was stable, dispersible, superparamagnetic and biocompatible. After co-cultivation with MDA-MB-231 cells, the SPIONs@DFK-SBP-M13 assemblies quickly bond to the cell surface and are internalized. The enrichment rate of SPIONs@DFK-SBP-M13 assembly was 13.9 times higher than free SPIONs at 0.5 h, and intracellular Fe content was 3.6 times higher at 1 h. Furthermore, the DFK peptides favored cathepsin B to cleave SPIONs from the M13 templates resulting in release of SPIONs inside cells. Conclusion The novel SPIONs@DFK-SBP-M13 assembly can rapidly deliver SPIONs to the targeted sites and enabled smart release. The combination of genetic recombination and nanotechnology is beneficial for designing and optimizing some new nanomaterials with special functions to achieve wider applications.
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Affiliation(s)
- Na Zhang
- College of Food Science and Technology, Northwest University, Xi'an, Shaanxi, 710069, People's Republic of China
| | - Hui Wu
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, People's Republic of China
| | - Yingzhi Liang
- College of Food Science and Technology, Northwest University, Xi'an, Shaanxi, 710069, People's Republic of China
| | - Jianming Ye
- College of Food Science and Technology, Northwest University, Xi'an, Shaanxi, 710069, People's Republic of China
| | - Huan Zhang
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, Shaanxi, 710069, People's Republic of China
| | - Yuqing Miao
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, Shaanxi, 710069, People's Republic of China
| | - Yane Luo
- College of Food Science and Technology, Northwest University, Xi'an, Shaanxi, 710069, People's Republic of China
| | - Haiming Fan
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, Shaanxi, 710069, People's Republic of China
| | - Tianli Yue
- College of Food Science and Technology, Northwest University, Xi'an, Shaanxi, 710069, People's Republic of China.,Laboratory of Quality and Safety Risk Assessment for Agro-Products (Yangling), Ministry of Agriculture, Beijing, People's Republic of China
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Trapani A, De Giglio E, Cometa S, Bonifacio MA, Dazzi L, Di Gioia S, Hossain MN, Pellitteri R, Antimisiaris SG, Conese M. Dopamine-loaded lipid based nanocarriers for intranasal administration of the neurotransmitter: A comparative study. Eur J Pharm Biopharm 2021; 167:189-200. [PMID: 34333085 DOI: 10.1016/j.ejpb.2021.07.015] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 07/09/2021] [Accepted: 07/22/2021] [Indexed: 01/07/2023]
Abstract
Both dopamine (DA) loaded Solid Lipid Nanoparticles (SLN) and liposomes (Lip), designed for intranasal administration of the neurotransmitter as an innovative Parkinson disease treatment, were already characterized in vitro in some extent by us (Trapani et al., 2018a and Cometa et al., 2020, respectively). Herein, to gain insight into the structure of SLN, X-ray Photoelectron Spectroscopy Analysis was carried out and DA-SLN (SLN 1) were found to exhibit high amounts of the neurotransmitter on the surface, whereas the external side of Glycol Chitosan (GCS) containing SLN (SLN 2) possessed only few amounts. However, SLN 2 were characterized by the highest encapsulation DA efficiency (i.e., 81%). Furthermore, in view of intranasal administration, mucoadhesion tests in vitro were also conducted for SLN and Lip formulations, evidencing high muchoadesive effect exerted by SLN 2. Concerning ex-vivo studies, SLN and Lip were found to be safe for Olfactory Ensheathing Cells and fluorescent SLN 2 were taken up in a dose-dependent manner reaching the 100% of positive cells, while Lip 2 (chitosan-glutathione-coated) were internalised by 70% OECs with six-times more lipid concentration. Hence, SLN 2 formulation containing DA and GCS may constitute interesting formulations for further studies and promising dosage form for non-invasive nose-to-brain neurotransmitter delivery.
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Affiliation(s)
- Adriana Trapani
- Department of Pharmacy-Drug Sciences, University of Bari "Aldo Moro", Bari, Italy.
| | - Elvira De Giglio
- Chemistry Department, University of Bari "Aldo Moro", via Orabona, 4, Bari 70125, Italy
| | | | | | - Laura Dazzi
- Department of Life and Environmental Sciences, Section of Neuroscience and Anthropology, University of Cagliari, Monserrato (Cagliari), Italy
| | - Sante Di Gioia
- Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy.
| | - Md Niamat Hossain
- Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
| | - Rosalia Pellitteri
- Institute for Biomedical Research and Innovation (IRIB-CNR), Catania 95126, Italy
| | - Sophia G Antimisiaris
- Laboratory of Pharm. Technology, Dept. of Pharmacy, School of Health Sciences, University of Patras, Rio 26504, Greece; Foundation for Research and Technology Hellas, Institute of Chemical Engineering Sciences, FORTH/ICE-HT, Rio 26504, Greece
| | - Massimo Conese
- Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
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9
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Trapani A, Corbo F, Agrimi G, Ditaranto N, Cioffi N, Perna F, Quivelli A, Stefàno E, Lunetti P, Muscella A, Marsigliante S, Cricenti A, Luce M, Mormile C, Cataldo A, Bellucci S. Oxidized Alginate Dopamine Conjugate: In Vitro Characterization for Nose-to-Brain Delivery Application. MATERIALS (BASEL, SWITZERLAND) 2021; 14:3495. [PMID: 34201634 PMCID: PMC8269503 DOI: 10.3390/ma14133495] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 06/11/2021] [Accepted: 06/18/2021] [Indexed: 12/18/2022]
Abstract
BACKGROUND The blood-brain barrier (BBB) bypass of dopamine (DA) is still a challenge for supplying it to the neurons of Substantia Nigra mainly affected by Parkinson disease. DA prodrugs have been studied to cross the BBB, overcoming the limitations of DA hydrophilicity. Therefore, the aim of this work is the synthesis and preliminary characterization of an oxidized alginate-dopamine (AlgOX-DA) conjugate conceived for DA nose-to-brain delivery. METHODS A Schiff base was designed to connect oxidized polymeric backbone to DA and both AlgOX and AlgOX-DA were characterized in terms of Raman, XPS, FT-IR, and 1H- NMR spectroscopies, as well as in vitro mucoadhesive and release tests. RESULTS Data demonstrated that AlgOX-DA was the most mucoadhesive material among the tested ones and it released the neurotransmitter in simulated nasal fluid and in low amounts in phosphate buffer saline. Results also demonstrated the capability of scanning near-field optical microscopy to study the structural and fluorescence properties of AlgOX, fluorescently labeled with fluorescein isothiocyanate microstructures. Interestingly, in SH-SY5Y neuroblastoma cell line up to 100 μg/mL, no toxic effect was derived from AlgOX and AlgOX-DA in 24 h. CONCLUSIONS Overall, the in vitro performances of AlgOX and AlgOX-DA conjugates seem to encourage further ex vivo and in vivo studies in view of nose-to-brain administration.
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Affiliation(s)
- Adriana Trapani
- Department of Pharmacy-Drug Sciences, University of Bari “Aldo Moro”, I-70125 Bari, Italy; (F.C.); (F.P.); (A.Q.)
| | - Filomena Corbo
- Department of Pharmacy-Drug Sciences, University of Bari “Aldo Moro”, I-70125 Bari, Italy; (F.C.); (F.P.); (A.Q.)
| | - Gennaro Agrimi
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari “Aldo Moro”, I-70125 Bari, Italy;
| | - Nicoletta Ditaranto
- Dipartimento di Chimica and CSGI-Bari Unit, Università degli Studi di Bari Aldo Moro, I-70125 Bari, Italy; (N.D.); (N.C.)
| | - Nicola Cioffi
- Dipartimento di Chimica and CSGI-Bari Unit, Università degli Studi di Bari Aldo Moro, I-70125 Bari, Italy; (N.D.); (N.C.)
| | - Filippo Perna
- Department of Pharmacy-Drug Sciences, University of Bari “Aldo Moro”, I-70125 Bari, Italy; (F.C.); (F.P.); (A.Q.)
| | - Andrea Quivelli
- Department of Pharmacy-Drug Sciences, University of Bari “Aldo Moro”, I-70125 Bari, Italy; (F.C.); (F.P.); (A.Q.)
- Consorzio C.I.N.M.P.I.S., Via E. Orabona 4, I-70125 Bari, Italy
| | - Erika Stefàno
- Dipartimento Scienze e Tecnologie Biologiche e Ambientali, University of Salento, I-73100 Lecce, Italy; (E.S.); (P.L.); (A.M.); (S.M.)
| | - Paola Lunetti
- Dipartimento Scienze e Tecnologie Biologiche e Ambientali, University of Salento, I-73100 Lecce, Italy; (E.S.); (P.L.); (A.M.); (S.M.)
| | - Antonella Muscella
- Dipartimento Scienze e Tecnologie Biologiche e Ambientali, University of Salento, I-73100 Lecce, Italy; (E.S.); (P.L.); (A.M.); (S.M.)
| | - Santo Marsigliante
- Dipartimento Scienze e Tecnologie Biologiche e Ambientali, University of Salento, I-73100 Lecce, Italy; (E.S.); (P.L.); (A.M.); (S.M.)
| | - Antonio Cricenti
- ISM-CNR, Via del Fosso del Cavaliere 100, I-00133 Rome, Italy; (A.C.); (M.L.)
| | - Marco Luce
- ISM-CNR, Via del Fosso del Cavaliere 100, I-00133 Rome, Italy; (A.C.); (M.L.)
| | - Cristina Mormile
- Istituto Nazionale di Fisica Nucleare-Laboratori Nazionali di Frascati, Via Enrico Fermi 54, Frascati, I-00044 Rome, Italy; (C.M.); (A.C.)
- Department of Chemical Science and Technologies, University of Rome Tor Vergata, Via della Ricerca Scientifica 1, I-00133 Rome, Italy
| | - Antonino Cataldo
- Istituto Nazionale di Fisica Nucleare-Laboratori Nazionali di Frascati, Via Enrico Fermi 54, Frascati, I-00044 Rome, Italy; (C.M.); (A.C.)
| | - Stefano Bellucci
- Istituto Nazionale di Fisica Nucleare-Laboratori Nazionali di Frascati, Via Enrico Fermi 54, Frascati, I-00044 Rome, Italy; (C.M.); (A.C.)
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10
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Di Gioia S, Trapani A, Cassano R, Di Gioia ML, Trombino S, Cellamare S, Bolognino I, Hossain MN, Sanna E, Trapani G, Conese M. Nose-to-brain delivery: A comparative study between carboxymethyl chitosan based conjugates of dopamine. Int J Pharm 2021; 599:120453. [PMID: 33675929 DOI: 10.1016/j.ijpharm.2021.120453] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 02/26/2021] [Accepted: 02/27/2021] [Indexed: 11/25/2022]
Abstract
Herein, the synthesis of a novel polymeric conjugate N,O-CMCS-Dopamine (DA) based on an amide linkage is reported. The performances of this conjugate were compared with those of an analogous N,O-CMCS-DA ester conjugate previously studied (Cassano et al., 2020) to gain insight into their potential utility for Parkinson's disease treatment. The new amide conjugate was synthesized by standard carbodiimide coupling procedure and characterized by FT-IR, 1H NMR spectroscopies and thermal analysis (Differential Scanning Calorimetry). In vitro mucoadhesive studies in simulated nasal fluid (SNF) evidenced high adhesive effect of both ester and amide conjugates. Results demonstrated that the amide conjugate exerted an important role to prevent DA spontaneous autoxidation both under stressed conditions and physiological mimicking ones. MTT test indicated cytocompatibility of the amide conjugate with Olfactory Ensheating Cells (OECs), which were shown by cytofluorimetry to internalize efficiently the conjugate. Overall, among the two conjugates herein studied, the N,O-CMCS-DA amide conjugate seems a promising candidate for improving the delivery of DA by nose-to-brain administration.
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Affiliation(s)
- Sante Di Gioia
- Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy
| | - Adriana Trapani
- Department of Pharmacy-Drug Sciences, University of Bari "Aldo Moro", 70125 Bari, Italy.
| | - Roberta Cassano
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Arcavacata di Rende, Cosenza, Italy.
| | - Maria Luisa Di Gioia
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Arcavacata di Rende, Cosenza, Italy
| | - Sonia Trombino
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Arcavacata di Rende, Cosenza, Italy
| | - Saverio Cellamare
- Department of Pharmacy-Drug Sciences, University of Bari "Aldo Moro", 70125 Bari, Italy
| | - Isabella Bolognino
- Department of Pharmacy-Drug Sciences, University of Bari "Aldo Moro", 70125 Bari, Italy
| | - Md Niamat Hossain
- Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy
| | - Enrico Sanna
- Department of Life and Environmental Sciences, Section of Neuroscience and Anthropology, University of Cagliari, Monserrato, Cagliari, Italy
| | - Giuseppe Trapani
- Department of Pharmacy-Drug Sciences, University of Bari "Aldo Moro", 70125 Bari, Italy
| | - Massimo Conese
- Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy
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11
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Trapani A, Guerra L, Corbo F, Castellani S, Sanna E, Capobianco L, Monteduro AG, Manno DE, Mandracchia D, Di Gioia S, Conese M. Cyto/Biocompatibility of Dopamine Combined with the Antioxidant Grape Seed-Derived Polyphenol Compounds in Solid Lipid Nanoparticles. Molecules 2021; 26:916. [PMID: 33572331 PMCID: PMC7916151 DOI: 10.3390/molecules26040916] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 02/02/2021] [Accepted: 02/05/2021] [Indexed: 01/15/2023] Open
Abstract
Background: The loss of nigrostriatal neurons containing dopamine (DA) together with the "mitochondrial dysfunction" in midbrain represent the two main causes related to the symptoms of Parkinson's disease (PD). Hence, the aim of this investigation is to co-administer the missing DA and the antioxidant grape seed-derived proanthocyanidins (grape seed extract, GSE) in order to increase the levels of the neurotransmitter (which is unable to cross the Blood Brain Barrier) and reducing the oxidative stress (OS) related to PD, respectively. Methods: For this purpose, we chose Solid Lipid Nanoparticles (SLN), because they have been already proven to increase DA uptake in the brain. DA-SLN adsorbing GSE (GSE/DA-SLN) were formulated and subjected to physico-chemical characterization, and their cytocompatibility and protection against OS were examined. Results: GSE was found on SLN surface and release studies evidenced the efficiency of GSE in preventing DA autoxidation. Furthermore, SLN showed high mucoadhesive strength and were found not cytotoxic to both primary Olfactory Ensheathing and neuroblastoma SH-SY5Y cells by MTT test. Co-administration of GSE/DA-SLN and the OS-inducing neurotoxin 6-hydroxydopamine (100 μM) resulted in an increase of SH-SY5Y cell viability. Conclusions: Hence, SLN formulations containing DA and GSE may constitute interesting candidates for non-invasive nose-to-brain delivery.
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Affiliation(s)
- Adriana Trapani
- Department of Pharmacy-Drug Sciences, University of Bari “Aldo Moro”, 70125 Bari, Italy;
| | - Lorenzo Guerra
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari “Aldo Moro”, 70125 Bari, Italy;
| | - Filomena Corbo
- Department of Pharmacy-Drug Sciences, University of Bari “Aldo Moro”, 70125 Bari, Italy;
| | - Stefano Castellani
- Department of Biomedical Sciences and Human Oncology, University of Bari “Aldo Moro”, 70125 Bari, Italy;
| | - Enrico Sanna
- Department of Life and Environmental Sciences, Section of Neuroscience and Anthropology, Faculty of Biology and Pharmacy, University of Cagliari, Cittadella Universitaria, 09042 Monserrato (Cagliari), Italy;
| | - Loredana Capobianco
- Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Lecce, Italy; (L.C.); (A.G.M.); (D.E.M.)
| | - Anna Grazia Monteduro
- Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Lecce, Italy; (L.C.); (A.G.M.); (D.E.M.)
| | - Daniela Erminia Manno
- Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Lecce, Italy; (L.C.); (A.G.M.); (D.E.M.)
| | - Delia Mandracchia
- Department of Molecular and Translational Medicine, University of Brescia, Viale Europa 11, 25123 Brescia, Italy;
| | - Sante Di Gioia
- Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy; (S.D.G.); (M.C.)
| | - Massimo Conese
- Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy; (S.D.G.); (M.C.)
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12
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Cassano R, Trapani A, Di Gioia ML, Mandracchia D, Pellitteri R, Tripodo G, Trombino S, Di Gioia S, Conese M. Synthesis and characterization of novel chitosan-dopamine or chitosan-tyrosine conjugates for potential nose-to-brain delivery. Int J Pharm 2020; 589:119829. [PMID: 32877724 DOI: 10.1016/j.ijpharm.2020.119829] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 08/20/2020] [Accepted: 08/25/2020] [Indexed: 10/23/2022]
Abstract
This work aims to the synthesis of novel carboxylated chitosan-dopamine (DA) and -tyrosine (Tyr) conjugates as systems for improving the brain delivery of the neurotransmitter DA following nasal administration. For this purpose, ester or amide conjugates were synthesized by N,N-dicyclohexylcarbodiimide (DCC) mediated coupling reactions between the appropriate N-tert-butyloxycarbonyl (Boc) protected starting polymers N,O-carboxymethyl chitosan and 6-carboxy chitosan and DA or O-tert-Butyl-L-tyrosine-tert-butyl ester hydrochloride. The resulting conjugates were characterized by FT-IR and 1H- and 13C NMR spectroscopies and their in vitro mucoadhesive properties in simulated nasal fluid (SNF), toxicity and uptake from Olfactory Ensheathing Cells (OECs) were assessed. Results demonstrated that N,O-carboxymethyl chitosan-DA conjugate was the most mucoadhesive polymer in the series examined and, together with the 6-carboxy chitosan-DA-conjugate were able to release the neurotransmitter in SNF. The MTT assay showed that the starting polymers as well as all the prepared conjugates in OECs resulted not toxic at any concentration tested. Likewise, the three synthesized conjugates were not cytotoxic as well. Cytofluorimetric analysis revealed that the N,O-carboxymethyl chitosan DA conjugate was internalized by OECs in a superior manner at 24 h as compared with the starting polymer. Overall, the N,O-CMCS-DA conjugate seems promising for improving the delivery of DA by nose-to-brain administration.
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Affiliation(s)
- Roberta Cassano
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Arcavacata di Rende, Cosenza, Italy
| | - Adriana Trapani
- Department of Pharmacy-Drug Sciences, University of Bari "Aldo Moro", 70125 Bari, Italy.
| | - Maria Luisa Di Gioia
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Arcavacata di Rende, Cosenza, Italy
| | - Delia Mandracchia
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Arcavacata di Rende, Cosenza, Italy
| | - Rosalia Pellitteri
- Institute for Biomedical Research and Innovation (IRIB-CNR), 95126 Catania, Italy
| | - Giuseppe Tripodo
- Department of Drug Sciences, University of Pavia, 27100 Pavia, Italy
| | - Sonia Trombino
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Arcavacata di Rende, Cosenza, Italy
| | - Sante Di Gioia
- Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy.
| | - Massimo Conese
- Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy
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13
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Federer C, Kurpiers M, Bernkop-Schnürch A. Thiolated Chitosans: A Multi-talented Class of Polymers for Various Applications. Biomacromolecules 2020; 22:24-56. [PMID: 32567846 PMCID: PMC7805012 DOI: 10.1021/acs.biomac.0c00663] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Various properties of chitosan can be customized by thiolation for very specific needs in a wide range of application areas. Since the discovery of thiolated chitosans, many studies have proven their advantageous characteristics, such as adhesion to biological surfaces, adjustable cross-linking and swelling behavior, controllable drug release, permeation as well as cellular uptake enhancement, inhibition of efflux pumps and enzymes, complexation of metal ions, antioxidative properties, and radical scavenging activity. Simultaneously, these polymers remain biodegradable without increased toxicity. Within this Review, an overview about the different possibilities to covalently attach sulfhydryl ligands to the polymeric backbone of chitosan is given, and the resulting versatile physiochemical properties are discussed in detail. Furthermore, the broad spectrum of applications for thiolated chitosans in science and industry, ranging from their most advanced use in pharmaceutical and medical science over wastewater treatment to the impregnation of textiles, is addressed.
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Affiliation(s)
- Christoph Federer
- Thiomatrix Forschungs-und Beratungs GmbH, Trientlgasse 65, 6020 Innsbruck, Austria.,Center for Chemistry and Biomedicine, Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria
| | - Markus Kurpiers
- Thiomatrix Forschungs-und Beratungs GmbH, Trientlgasse 65, 6020 Innsbruck, Austria.,Center for Chemistry and Biomedicine, Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria
| | - Andreas Bernkop-Schnürch
- Center for Chemistry and Biomedicine, Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria
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14
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Anti-angiogenic activity of uncoated- and N,O-carboxymethyl-chitosan surface modified-Gelucire® 50/13 based solid lipid nanoparticles for oral delivery of curcumin. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2019.101494] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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15
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Cometa S, Bonifacio MA, Trapani G, Di Gioia S, Dazzi L, De Giglio E, Trapani A. In vitro investigations on dopamine loaded Solid Lipid Nanoparticles. J Pharm Biomed Anal 2020; 185:113257. [PMID: 32199326 DOI: 10.1016/j.jpba.2020.113257] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 03/02/2020] [Accepted: 03/11/2020] [Indexed: 11/17/2022]
Abstract
The progressive degeneration of nigrostriatal neurons leads to depletion of the neurotransmitter dopamine (DA) in Parkinson's disease (PD). The hydrophilicity of DA, hindering its cross of the Blood Brain Barrier, makes impossible its therapeutic administration. This work aims at investigating some physicochemical features of novel Solid Lipid Nanoparticles (SLN) intended to enhance DA brain delivery for PD patients by intranasal administration. For this aim, novel SLN were formulated in the presence of Glycol Chitosan (GCS), and it was found that SLN containing GCS and DA were smaller than DA-loaded SLN, endowed with a slightly positive zeta potential value and, remarkably, incorporated 81 % of the initial DA content. The formulated SLN were accurately characterized by Infrared Spectroscopy in Attenuated Total Reflectance mode (FT-IT/ATR) and Thermogravimetric Analysis (TGA) to highlight SLN solid-state properties as a preliminary step forward biological assay. Overall, in vitro characterization shows that SLN are promising for DA incorporation and stable from a thermal viewpoint. Further studies are in due course to test their potential for PD treatment.
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Affiliation(s)
| | | | - Giuseppe Trapani
- Department of Pharmacy-Drug Sciences, University of Bari "Aldo Moro", Bari, Italy
| | - Sante Di Gioia
- Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
| | - Laura Dazzi
- Department of Life and Environmental Sciences, University of Cagliari, Monserrato, Cagliari, Italy
| | - Elvira De Giglio
- Chemistry Department, University of Bari "Aldo Moro", Bari, Italy.
| | - Adriana Trapani
- Department of Pharmacy-Drug Sciences, University of Bari "Aldo Moro", Bari, Italy.
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16
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Mao X, Li X, Zhang W, Yuan L, Deng L, Ge L, Mu C, Li D. Development of Microspheres Based on Thiol-Modified Sodium Alginate for Intestinal-Targeted Drug Delivery. ACS APPLIED BIO MATERIALS 2019; 2:5810-5818. [PMID: 35021574 DOI: 10.1021/acsabm.9b00813] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Bioactive peptide drugs are mostly delivered by parenteral administration, which brings great pain and risks to patients. Oral administration is an acceptable alternative form. However, peptide drugs are extremely sensitive to the strong acidic environment in the stomach after oral administration. They would be degraded by pepsin and trypsin in the gastrointestinal tract. Herein, we present microspheres for intestinal-targeted peptides drug delivery through oral administration. Sodium alginate was reacted with l-cysteine to bring it into thiol groups. Then sodium alginate-l-cysteine conjugates were mixed with native sodium alginate and emulsified by an improved method. Ca2+ was used to fix the emulsion to get the microspheres. Bovine serum albumin was used as the simulating drug to assess the feasibility of microspheres as intestinal delivery carriers. The results showed that the microspheres exhibited spherical properties and narrow size distribution. The drug-loading capacity of microspheres was not compromised after thiol-modification. It is interesting that the microspheres can maintain structural integrity and hold drugs in the strong acidic environment in the stomach. Conversely, the microspheres presented sustained intestinal-targeted drugs release ability as expected. Moreover, thiol-modification further improved the adherence ability of microspheres on the inner walls of the small intestine, which is good for enhancing drug permeability. In sum, the microspheres based on thiol-modified sodium alginate have promising applications as intestinal-targeted macromolecular drug carriers.
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Affiliation(s)
- Xinyan Mao
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, P. R. China
| | - Xinying Li
- College of Chemistry and Environment Protection Engineering, Southwest Minzu University, Chengdu 610041, P. R. China
| | - Wenjie Zhang
- Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu 610041, P. R. China
| | - Lun Yuan
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, P. R. China
| | - Lei Deng
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, P. R. China
| | - Liming Ge
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, P. R. China
| | - Changdao Mu
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, P. R. China
| | - Defu Li
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, P. R. China
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Leichner C, Jelkmann M, Bernkop-Schnürch A. Thiolated polymers: Bioinspired polymers utilizing one of the most important bridging structures in nature. Adv Drug Deliv Rev 2019; 151-152:191-221. [PMID: 31028759 DOI: 10.1016/j.addr.2019.04.007] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2019] [Revised: 04/16/2019] [Accepted: 04/16/2019] [Indexed: 12/13/2022]
Abstract
Thiolated polymers designated "thiomers" are obtained by covalent attachment of thiol functionalities on the polymeric backbone of polymers. In 1998 these polymers were first described as mucoadhesive and in situ gelling compounds forming disulfide bonds with cysteine-rich substructures of mucus glycoproteins and crosslinking through inter- and intrachain disulfide bond formation. In the following, it was shown that thiomers are able to form disulfides with keratins and membrane-associated proteins exhibiting also cysteine-rich substructures. Furthermore, permeation enhancing, enzyme inhibiting and efflux pump inhibiting properties were demonstrated. Because of these capabilities thiomers are promising tools for drug delivery guaranteeing a strongly prolonged residence time as well as sustained release on mucosal membranes. Apart from that, thiomers are used as drugs per se. In particular, for treatment of dry eye syndrome various thiolated polymers are in development and a first product has already reached the market. Within this review an overview about the thiomer-technology and its potential for different applications is provided discussing especially the outcome of studies in non-rodent animal models and that of numerous clinical trials. Moreover, an overview on product developments is given.
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18
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Limeres MJ, Moretton MA, Bernabeu E, Chiappetta DA, Cuestas ML. Thinking small, doing big: Current success and future trends in drug delivery systems for improving cancer therapy with special focus on liver cancer. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 95:328-341. [DOI: 10.1016/j.msec.2018.11.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Revised: 09/20/2018] [Accepted: 11/01/2018] [Indexed: 01/19/2023]
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19
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Trapani A, Catalano A, Carocci A, Carrieri A, Mercurio A, Rosato A, Mandracchia D, Tripodo G, Schiavone BIP, Franchini C, Mesto E, Schingaro E, Corbo F. Effect of Methyl-β-Cyclodextrin on the antimicrobial activity of a new series of poorly water-soluble benzothiazoles. Carbohydr Polym 2018; 207:720-728. [PMID: 30600058 DOI: 10.1016/j.carbpol.2018.12.016] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 11/28/2018] [Accepted: 12/07/2018] [Indexed: 11/18/2022]
Abstract
The antibacterial activity of the S-unsubstituted- and S-benzyl-substituted-2-mercapto-benzothiazoles 1-4 has been evaluated after complexation with Methyl-β-Cyclodextrin (Me-β-CD) or incorporation in solid dispersions based on Pluronic® F-127 and compared with that of the pure compounds. This with the aim to gain further insights on the possible mechanism(s) involved in the CD-mediated enhancement of antimicrobial effectiveness, a promising methodology to overcome the microbial resistance issue. Together with Differential Scanning Calorimetry, FT-IR spectroscopy and X-ray Powder Diffraction investigations, a molecular modeling study focused on compounds 2 and 4 showed that the S-unsubstituted compound 2/Me-β-CD complex should be more stable than S-benzyl-substituted 4/Me-β-CD. Only for 1/Me-β-CD or, particularly, 2/Me-β-CD complexes, the antibacterial effectiveness was enhanced in the presence of selected bacterial strains. The results herein presented support the mechanisms focusing on the interactions of the bacterial membrane with CD complexes more than those focusing on the improvement of dissolution properties consequent to CD complexation.
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Affiliation(s)
- Adriana Trapani
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari "Aldo Moro", Via E. Orabona, 4, I-70125, Bari, Italy
| | - Alessia Catalano
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari "Aldo Moro", Via E. Orabona, 4, I-70125, Bari, Italy
| | - Alessia Carocci
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari "Aldo Moro", Via E. Orabona, 4, I-70125, Bari, Italy
| | - Antonio Carrieri
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari "Aldo Moro", Via E. Orabona, 4, I-70125, Bari, Italy
| | - Annalisa Mercurio
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari "Aldo Moro", Via E. Orabona, 4, I-70125, Bari, Italy
| | - Antonio Rosato
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari "Aldo Moro", Via E. Orabona, 4, I-70125, Bari, Italy
| | - Delia Mandracchia
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari "Aldo Moro", Via E. Orabona, 4, I-70125, Bari, Italy
| | - Giuseppe Tripodo
- Dipartimento di Scienze del Farmaco, Università degli Studi di Pavia, viale Taramelli, 12, 27100 Pavia, Italy
| | - Brigida Immacolata Pia Schiavone
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari "Aldo Moro", Via E. Orabona, 4, I-70125, Bari, Italy
| | - Carlo Franchini
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari "Aldo Moro", Via E. Orabona, 4, I-70125, Bari, Italy
| | - Ernesto Mesto
- Dipartimento di Scienze della Terra e Geoambientali, Università degli Studi di Bari "Aldo Moro", Via E. Orabona, 4, I-70125, Bari, Italy
| | - Emanuela Schingaro
- Dipartimento di Scienze della Terra e Geoambientali, Università degli Studi di Bari "Aldo Moro", Via E. Orabona, 4, I-70125, Bari, Italy
| | - Filomena Corbo
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari "Aldo Moro", Via E. Orabona, 4, I-70125, Bari, Italy.
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Tripodo G, Trapani A, Rosato A, Di Franco C, Tamma R, Trapani G, Ribatti D, Mandracchia D. Hydrogels for biomedical applications from glycol chitosan and PEG diglycidyl ether exhibit pro-angiogenic and antibacterial activity. Carbohydr Polym 2018; 198:124-130. [DOI: 10.1016/j.carbpol.2018.06.061] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Revised: 05/02/2018] [Accepted: 06/14/2018] [Indexed: 11/25/2022]
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Gharibi H, Abdolmaleki A. Thermo-chemical modification of a natural biomembrane to induce mucoadhesion, pH sensitivity and anisotropic mechanical properties. J Mech Behav Biomed Mater 2018; 87:50-58. [PMID: 30032023 DOI: 10.1016/j.jmbbm.2018.07.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Revised: 07/09/2018] [Accepted: 07/10/2018] [Indexed: 10/28/2022]
Abstract
In the present study due to the distinctive mechanochemical/biological characteristics of natural biomembranes, we state the preparation, characterization and cytocompatibility of modified eggshell membrane (ESM) by citric acid (CA) for biomedical and pharmaceutical applications. FTIR spectroscopy and CHNS analysis demonstrated the successful reaction of ESM with CA. Also, successful modification of the ESM was observed by the change in thermogravimetric analysis. SEM micrographs of neat ESM and ESM-CA gave further insight into membranes morphology and revealed that aligned oriented fibrous frameworks were prepared using thermo-chemical process. The ESM-CA displayed dense and orderly shapes with tailorable architectures to mimic the intended tissue. Moreover, mechanical analyzes for ESM-CA indicated anisotropic mechanical properties and proved that the ESM-CA could induce enhanced mucoadhesion, because of the existence of an enormous amounts of functional groups. It was found that by modification of ESM the swelling behavior was significantly changed. Indomethacin release from the ESM-CA showed enhanced pH sensitivity. The modified membranes have clearly presented adequate mucoadhesion, pH sensitivity and cell viability which can be tailored for potential use in controlled lipophilic drug delivery systems and tissue engineering.
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Affiliation(s)
- Hamidreza Gharibi
- Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Islamic Republic of Iran
| | - Amir Abdolmaleki
- Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Islamic Republic of Iran; Department of Chemistry, College of Sciences, Shiraz University, Shiraz 71467-13565, Islamic Republic of Iran.
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Ho DK, Frisch S, Biehl A, Terriac E, De Rossi C, Schwarzkopf K, Lautenschläger F, Loretz B, Murgia X, Lehr CM. Farnesylated Glycol Chitosan as a Platform for Drug Delivery: Synthesis, Characterization, and Investigation of Mucus–Particle Interactions. Biomacromolecules 2018; 19:3489-3501. [DOI: 10.1021/acs.biomac.8b00795] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Duy-Khiet Ho
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Center for Infection Research (HZI), ‡Department of Pharmacy, §INM−Leibniz Institute for New Materials, and ⊥Korea Institute of Science and Technology, KIST Europe, Saarland University, D-66123 Saarbrücken, Germany
| | - Sarah Frisch
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Center for Infection Research (HZI), ‡Department of Pharmacy, §INM−Leibniz Institute for New Materials, and ⊥Korea Institute of Science and Technology, KIST Europe, Saarland University, D-66123 Saarbrücken, Germany
| | - Alexander Biehl
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Center for Infection Research (HZI), ‡Department of Pharmacy, §INM−Leibniz Institute for New Materials, and ⊥Korea Institute of Science and Technology, KIST Europe, Saarland University, D-66123 Saarbrücken, Germany
| | | | - Chiara De Rossi
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Center for Infection Research (HZI), ‡Department of Pharmacy, §INM−Leibniz Institute for New Materials, and ⊥Korea Institute of Science and Technology, KIST Europe, Saarland University, D-66123 Saarbrücken, Germany
| | - Konrad Schwarzkopf
- Department of Anesthesia and Intensive Care, Klinikum Saarbrücken, 66119 Saarbrücken, Germany
| | | | - Brigitta Loretz
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Center for Infection Research (HZI), ‡Department of Pharmacy, §INM−Leibniz Institute for New Materials, and ⊥Korea Institute of Science and Technology, KIST Europe, Saarland University, D-66123 Saarbrücken, Germany
| | - Xabier Murgia
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Center for Infection Research (HZI), ‡Department of Pharmacy, §INM−Leibniz Institute for New Materials, and ⊥Korea Institute of Science and Technology, KIST Europe, Saarland University, D-66123 Saarbrücken, Germany
| | - Claus-Michael Lehr
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Center for Infection Research (HZI), ‡Department of Pharmacy, §INM−Leibniz Institute for New Materials, and ⊥Korea Institute of Science and Technology, KIST Europe, Saarland University, D-66123 Saarbrücken, Germany
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Trapani A, Mandracchia D, Tripodo G, Cometa S, Cellamare S, De Giglio E, Klepetsanis P, Antimisiaris SG. Protection of dopamine towards autoxidation reaction by encapsulation into non-coated- or chitosan- or thiolated chitosan-coated-liposomes. Colloids Surf B Biointerfaces 2018; 170:11-19. [PMID: 29859476 DOI: 10.1016/j.colsurfb.2018.05.049] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Revised: 04/13/2018] [Accepted: 05/22/2018] [Indexed: 01/06/2023]
Abstract
The aim of this work is to evaluate the potential of non-coated-, chitosan-(CS)- or chitosan-glutathione conjugate- (CS-GSH)-coated liposomes to protect the neurotransmitter Dopamine (DA) from the autoxidation reaction in neutral/alkaline conditions. This may be of interest in the development of nanotechnology-based approaches to improve Parkinson's disease treatment because decreased ROS production and reduced DA associated neurotoxicity are expected. For the mentioned purposes, DA-loaded vesicles were prepared by the Dried Reconstituted Vesicles (DRV) method, and were subsequently coated using solutions of polycations. As for the mean diameters of liposomes so prepared, the CS-GSH coated liposomes showed a significant decrease in size compared to the corresponding non-coated and CS-coated vesicles. The surface charge of DA-loaded non-coated liposomes was -10.8 mV, whereas the CS or CS-GSH coated vesicles showed a slightly positive ζ-potential. The capability of the herein studied vesicles to prevent DA autoxidation was evaluated by visual inspection, monitoring DA/lipid ratio as such and under stressed conditions. The results suggest that liposome formulations partially protect the neurotransmitter from the autoxidation reaction. In particular, the CS-GSH coated liposomes were more stable than the corresponding CS-coated and non-coated ones against the oxidative damage and were found to deliver the neurotransmitter in a sustained manner. Probably, this is due to the localization of the neurotransmitter in the core of the vesicles as indicated by XPS which confirmed the absence of the neurotransmitter on the surface of these vesicles.
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Affiliation(s)
- A Trapani
- Department of Pharmacy-Drug Sciences, University of Bari "Aldo Moro", Via Orabona, 4, 70125, Bari, Italy.
| | - D Mandracchia
- Department of Pharmacy-Drug Sciences, University of Bari "Aldo Moro", Via Orabona, 4, 70125, Bari, Italy
| | - G Tripodo
- Department of Drug Sciences, University of Pavia, Viale Taramelli, 12, 27100, Pavia, Italy
| | - S Cometa
- Jaber Innovation s.r.l., Via Calcutta 8, Rome, 00144, Italy
| | - S Cellamare
- Department of Pharmacy-Drug Sciences, University of Bari "Aldo Moro", Via Orabona, 4, 70125, Bari, Italy
| | - E De Giglio
- Department of Chemistry, University of Bari "Aldo Moro", Via Orabona, 4, 70125, Bari, Italy
| | - P Klepetsanis
- Dept. of Pharmacy, University of Patras, and FORTH/ICE-HT, Rio, 26504, Greece; Institute of Chemical Engineering Foundation for Research and Technology Hellas, FORTH/ICE-HT, 26504, Platani, Patras, Greece.
| | - S G Antimisiaris
- Dept. of Pharmacy, University of Patras, and FORTH/ICE-HT, Rio, 26504, Greece; Institute of Chemical Engineering Foundation for Research and Technology Hellas, FORTH/ICE-HT, 26504, Platani, Patras, Greece
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Zhao M, Lee SH, Song JG, Kim HY, Han HK. Enhanced oral absorption of sorafenib via the layer-by-layer deposition of a pH-sensitive polymer and glycol chitosan on the liposome. Int J Pharm 2018; 544:14-20. [PMID: 29655795 DOI: 10.1016/j.ijpharm.2018.04.020] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Revised: 03/26/2018] [Accepted: 04/10/2018] [Indexed: 12/19/2022]
Abstract
This study aimed to design the effective formulation of sorafenib (SF) to enhance the oral drug absorption. Three liposomal formulations of SF were prepared including uncoated liposome (SF-Lip), glycol chitosan-coated liposome (GC-SF-Lip), and Eudragit S100-glycol-chitosan coated liposome (SGC-SF-Lip). All formulations showed a narrow size distribution with a high encapsulation efficiency. Both GC-SF-Lip and SGC-SF-Lip exhibited good stability at acidic and neutral pHs without any significant drug leakage, while SF-Lip appeared to be unstable at pH 1.2. In the case of double coated SGC-SF-Lip, its size changed significantly at pH 7.4, due to the dissolution of Eudragit S100 coating layer into the surrounding medium. Compared to SF solution, all liposomal formulations demonstrated a higher cellular uptake in Caco-2 cells. In particular, SGC-SF-Lip displayed a lower cellular uptake than GC-SF-Lip at pH 6.5, but it achieved a similar cellular uptake to GC-SF-Lip at pH 7.4. Consistently, SGC-SF-Lip was less cytotoxic than GC-SF-Lip at pH 6.5, whereas it showed a comparable cytotoxicity to GC-SF-Lip at pH 7.4, implying the removal of the Eudragit S100 coating layer at pH 7.4. After an oral administration to rats, SGC-SF-Lip significantly improved the systemic exposure of SF, where its Cmax and AUC were approximately fourfold higher than the untreated drug. Collectively, SGC-SF-Lip appeared to be promising to enhance the oral absorption of SF.
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Affiliation(s)
- Mengjia Zhao
- College of Pharmacy, Dongguk University-Seoul, Dongguk-ro-32, Ilsan-Donggu, Goyang, Republic of Korea
| | - Sang Hoon Lee
- College of Pharmacy, Dongguk University-Seoul, Dongguk-ro-32, Ilsan-Donggu, Goyang, Republic of Korea
| | - Jae Geun Song
- College of Pharmacy, Dongguk University-Seoul, Dongguk-ro-32, Ilsan-Donggu, Goyang, Republic of Korea
| | - Hyeon Young Kim
- College of Pharmacy, Dongguk University-Seoul, Dongguk-ro-32, Ilsan-Donggu, Goyang, Republic of Korea
| | - Hyo-Kyung Han
- College of Pharmacy, Dongguk University-Seoul, Dongguk-ro-32, Ilsan-Donggu, Goyang, Republic of Korea.
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Liu Y, Yang T, Wei S, Zhou C, Lan Y, Cao A, Yang J, Wang W. Mucus adhesion- and penetration-enhanced liposomes for paclitaxel oral delivery. Int J Pharm 2018; 537:245-256. [DOI: 10.1016/j.ijpharm.2017.12.044] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Revised: 12/18/2017] [Accepted: 12/24/2017] [Indexed: 01/13/2023]
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Cheng H, Fan X, Wang X, Ye E, Loh XJ, Li Z, Wu YL. Hierarchically Self-Assembled Supramolecular Host-Guest Delivery System for Drug Resistant Cancer Therapy. Biomacromolecules 2018; 19:1926-1938. [PMID: 29350902 DOI: 10.1021/acs.biomac.7b01693] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
In this report, a new star-like copolymer β-CD- g-(PNIPAAm- b-POEGA) x, consisting of a β-CD core, grafted with temperature-responsive poly( N-isopropylacrylamide) (PNIPAAm) and biocompatible poly(oligo(ethylene glycol) acrylate) (POEGA) in a block copolymer of the arms, was used to deliver chemotherapeutics to drug resistant cancer cells and tumors. The first step of the self-assembly process involves the encapsulation of chemotherapeutics through host-guest inclusion complexation between the β-cyclodextrin cavity and the anticancer drug. Next, the chain interaction of the PNIPAAm segment at elevated temperature drives the drug-loaded β-CD- g-(PNIPAAm- b-POEGA) x/PTX inclusion complex to hierarchically self-assemble into nanosized supramolecular assemblies at 37 °C, whereas the presence of poly(ethylene glycol) (PEG) chains in the distal end of the star-like copolymer arms impart enhanced stability to the self-assembled structure. More interestingly, this supramolecular host-guest nanocomplex promoted the enhanced cellular uptake of chemotherapeutics in MDR-1 up-regulated drug resistant cancer cells and exhibited high therapeutic efficacy for suppressing drug resistant tumor growth in an in vivo mouse model, due to the increased stability, improvement in aqueous solubility, enhanced cellular uptake, and partial membrane pump impairment by taking the advantage of PEGylation and supramolecular complex between this star-like copolymer and chemotherapeutics. This work signifies that temperature-sensitive PEGylated supramolecular nanocarriers with good biocompatibility are effective in combating MDR-1 mediated drug resistance in both in vitro and in vivo models, which is of significant importance for the advanced drug delivery platform designed to combat drug resistant cancer.
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Affiliation(s)
- Hongwei Cheng
- Fujian Provincial Key Laboratory of Innovative Drug Target Research and State Key Laboratory of Cellular Stress Biology, School of Pharmaceutical Sciences , Xiamen University , Xiamen 361102 , China
| | - Xiaoshan Fan
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering , Henan Normal University , Xinxiang , 453007 , China
| | - Xiaoyuan Wang
- Fujian Provincial Key Laboratory of Innovative Drug Target Research and State Key Laboratory of Cellular Stress Biology, School of Pharmaceutical Sciences , Xiamen University , Xiamen 361102 , China
| | - Enyi Ye
- Institute of Materials Research and Engineering , A*STAR (Agency for Science, Technology and Research) ; 2 Fusionopolis Way , Innovis, #08-03, Singapore 138634 , Singapore
| | - Xian Jun Loh
- Institute of Materials Research and Engineering , A*STAR (Agency for Science, Technology and Research) ; 2 Fusionopolis Way , Innovis, #08-03, Singapore 138634 , Singapore
| | - Zibiao Li
- Institute of Materials Research and Engineering , A*STAR (Agency for Science, Technology and Research) ; 2 Fusionopolis Way , Innovis, #08-03, Singapore 138634 , Singapore
| | - Yun-Long Wu
- Fujian Provincial Key Laboratory of Innovative Drug Target Research and State Key Laboratory of Cellular Stress Biology, School of Pharmaceutical Sciences , Xiamen University , Xiamen 361102 , China
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Schattling P, Taipaleenmäki E, Zhang Y, Städler B. A Polymer Chemistry Point of View on Mucoadhesion and Mucopenetration. Macromol Biosci 2017; 17. [PMID: 28675773 DOI: 10.1002/mabi.201700060] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Revised: 06/07/2017] [Indexed: 12/20/2022]
Abstract
Although oral is the preferred route of administration of pharmaceutical formulations, the long-standing challenge for medically active compounds to efficiently cross the mucus layer barrier limits its wider applicability. Efforts in nanomedicine to overcome this hurdle consider mucoadhesive and mucopenetrating drug carriers by selectively designing (macromolecular) building blocks. This review highlights and critically discusses recent strategies developed in this context including poly(ethylene glycol)-based modifications, cationic and thiolated polymers, as well as particles with high charge density, zeta-potential shifting ability, or mucolytic properties. The latest advances in ex vivo test platforms are also reviewed.
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Affiliation(s)
- Philipp Schattling
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav-Wieds Vej 14, 8000, Aarhus, Denmark
| | - Essi Taipaleenmäki
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav-Wieds Vej 14, 8000, Aarhus, Denmark
| | - Yan Zhang
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav-Wieds Vej 14, 8000, Aarhus, Denmark
| | - Brigitte Städler
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav-Wieds Vej 14, 8000, Aarhus, Denmark
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Mandracchia D, Trapani A, Tripodo G, Perrone MG, Giammona G, Trapani G, Colabufo NA. In vitro evaluation of glycol chitosan based formulations as oral delivery systems for efflux pump inhibition. Carbohydr Polym 2017; 166:73-82. [DOI: 10.1016/j.carbpol.2017.02.096] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Revised: 02/13/2017] [Accepted: 02/22/2017] [Indexed: 11/29/2022]
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Mucoadhesive properties of low molecular weight chitosan- or glycol chitosan- and corresponding thiomer-coated poly(isobutylcyanoacrylate) core-shell nanoparticles. Eur J Pharm Biopharm 2017; 117:315-323. [PMID: 28455206 DOI: 10.1016/j.ejpb.2017.04.020] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2016] [Revised: 04/05/2017] [Accepted: 04/20/2017] [Indexed: 01/28/2023]
Abstract
The aim of the present work was to evaluate the mucoadhesive properties of poly(isobutyl cyanoacrylate) (PIBCA) nanoparticles (NPs) coated with Low Molecular Weight (LMW) chitosan (CS)- and glycol chitosan (GCS)-based thiomers as well as with the corresponding LMW unmodified polysaccharides. For this purpose, all the CS- and GCS-based thiomers were prepared under simple and mild conditions starting from the LMW unmodified polymers CS and GCS. The resulting NPs were of spherical shape with diameters ranging from 400 to 600nm and 187 to 309nm, for CS- and GCS-based NPs, respectively. The mucoadhesive characteristics of these core shell NPs were studied in Ussing chambers measuring the percentage of NPs stuck on the mucosal of fresh intestinal tissue after 2h of incubation. Moreover, incubation of nanoparticle formulations with the intestinal tissue induced changes in transmucosal electrical resistance which were measured to gain information into the opening of tight junctions and to control the integrity of the mucosa. Thus, it was found that PIBCA NPs coated with the GCS-Glutathione conjugate (GCGPIBCA NPs) possessed the most favorable mucoadhesive performances. Moreover, both GCGPIBCA- and GCS-N-acetyl-cysteine (GCNPIBCA)-core-shell NPs might induced an enlargement of the epithelial cell tight junctions. In conclusion, coating of PIBCA NPs with GCS-based thiomers may be useful for improving the mucoadhesive and permeation properties of these nanocarriers.
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Denora N, Lopedota A, Perrone M, Laquintana V, Iacobazzi RM, Milella A, Fanizza E, Depalo N, Cutrignelli A, Lopalco A, Franco M. Spray-dried mucoadhesives for intravesical drug delivery using N-acetylcysteine- and glutathione-glycol chitosan conjugates. Acta Biomater 2016; 43:170-184. [PMID: 27427225 DOI: 10.1016/j.actbio.2016.07.025] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2016] [Revised: 06/08/2016] [Accepted: 07/13/2016] [Indexed: 10/21/2022]
Abstract
UNLABELLED This work describes N-acetylcysteine (NAC)- and glutathione (GSH)-glycol chitosan (GC) polymer conjugates engineered as potential platform useful to formulate micro-(MP) and nano-(NP) particles via spray-drying techniques. These conjugates are mucoadhesive over the range of urine pH, 5.0-7.0, which makes them advantageous for intravesical drug delivery and treatment of local bladder diseases. NAC- and GSH-GC conjugates were generated with a synthetic approach optimizing reaction times and purification in order to minimize the oxidation of thiol groups. In this way, the resulting amount of free thiol groups immobilized per gram of NAC- and GSH-GC conjugates was 6.3 and 3.6mmol, respectively. These polymers were completely characterized by molecular weight, surface sulfur content, solubility at different pH values, substitution and swelling degree. Mucoadhesion properties were evaluated in artificial urine by turbidimetric and zeta (ζ)-potential measurements demonstrating good mucoadhesion properties, in particular for NAC-GC at pH 5.0. Starting from the thiolated polymers, MP and NP were prepared using both the Büchi B-191 and Nano Büchi B-90 spray dryers, respectively. The resulting two formulations were evaluated for yield, size, oxidation of thiol groups and ex-vivo mucoadhesion. The new spray drying technique provided NP of suitable size (<1μm) for catheter administration, low degree of oxidation, and sufficient mucoadhesion property with 9% and 18% of GSH- and NAC-GC based NP retained on pig mucosa bladder after 3h of exposure, respectively. STATEMENT OF SIGNIFICANCE The aim of the present study was first to optimize the synthesis of NAC-GC and GSH-GC, and preserve the oxidation state of the thiol moieties by introducing several optimizations of the already reported synthetic procedures that increase the mucoadhesive properties and avoid pH-dependent aggregation. Second, starting from these optimized thiomers, we studied the feasibility of manufacturing MP and NP by spray-drying techniques. The aim of this second step was to produce mucoadhesive drug delivery systems of adequate size for vesical administration by catheter, and comparable mucoadhesive properties with respect to the processed polymers, avoiding thiolic oxidation during the formulation. MP with acceptable size produced by spray-dryer Büchi B-191 were compared with NP made with the apparatus Nano Büchi B-90.
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Tripodo G, Trapani A, Torre ML, Giammona G, Trapani G, Mandracchia D. Hyaluronic acid and its derivatives in drug delivery and imaging: Recent advances and challenges. Eur J Pharm Biopharm 2016; 97:400-16. [PMID: 26614559 DOI: 10.1016/j.ejpb.2015.03.032] [Citation(s) in RCA: 171] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2015] [Revised: 03/21/2015] [Accepted: 03/23/2015] [Indexed: 01/06/2023]
Abstract
Hyaluronic acid (HA) is a biodegradable, biocompatible, nontoxic, and non-immunogenic glycosaminoglycan used for various biomedical applications. The interaction of HA with the CD44 receptor, whose expression is elevated on the surface of many types of tumor cells, makes this polymer a promising candidate for intracellular delivery of imaging and anticancer agents exploiting a receptor-mediated active targeting strategy. Therefore, HA and its derivatives have been most investigated for the development of several carrier systems intended for cancer diagnosis and therapy. Nonetheless, different and important delivery applications of the polysaccharide have also been described, including gene and peptide/protein drugs delivery. The aim of this review was to provide an overview of the existing recent literature on the use of HA and its derivatives for drug delivery and imaging. Notable attention is given to nanotheranostic systems obtained after conjugation of HA to nanocarriers as quantum dots, carbon nanotubes and graphene. Meanwhile, attention is also paid to some challenging aspects that need to be addressed in order to allow translation of preclinical models based on HA and its derivatives for drug delivery and imaging purposes to clinical testing and further their development.
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Affiliation(s)
- Giuseppe Tripodo
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
| | - Adriana Trapani
- Department of Pharmacy-Drug Sciences, University of Bari "Aldo Moro", via Orabona 4, 70125 Bari, Italy
| | - Maria Luisa Torre
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
| | - Gaetano Giammona
- Department of "Scienze e Tecnologie Biologiche, Chimiche, Farmaceutiche (STEBICEF)", University of Palermo, via Archirafi 32, Palermo 90123, Italy
| | - Giuseppe Trapani
- Department of Pharmacy-Drug Sciences, University of Bari "Aldo Moro", via Orabona 4, 70125 Bari, Italy
| | - Delia Mandracchia
- Department of Pharmacy-Drug Sciences, University of Bari "Aldo Moro", via Orabona 4, 70125 Bari, Italy.
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Intranasal delivery of dopamine to the striatum using glycol chitosan/sulfobutylether-β-cyclodextrin based nanoparticles. Eur J Pharm Biopharm 2015; 94:180-93. [PMID: 26032293 DOI: 10.1016/j.ejpb.2015.05.019] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2014] [Revised: 04/23/2015] [Accepted: 05/09/2015] [Indexed: 12/13/2022]
Abstract
The aim of this study was to evaluate chitosan (CS)-, glycol chitosan (GCS)- and corresponding thiomer-based nanoparticles (NPs) for delivering dopamine (DA) to the brain by nasal route. Thus, the polyanions tripolyphosphate and sulfobutylether-β-cyclodextrin (SBE-β-CD), respectively, were used as polycation crosslinking agents and SBE-β-CD also in order to enhance the DA stability. The most interesting formulation, containing GCS and SBE-β-CD, was denoted as DA GCS/DA-CD NPs. NMR spectroscopy demonstrated an inclusion complex formation between SBE-β-CD and DA. X-ray photoelectron spectroscopy analysis revealed the presence of DA on the external surface of NPs. DA GCS/DA-CD NPs showed cytotoxic effect toward Olfactory Ensheathing Cells only at higher dosage. Acute administration of DA GCS/DA-CD NPs into the right nostril of rats did not modify the levels of the neurotransmitter in both right and left striatum. Conversely, repeated intranasal administration of DA GCS/DA-CD NPs into the right nostril significantly increased DA in the ipsilateral striatum. Fluorescent microscopy of olfactory bulb after acute administration of DA fluorescent-labeled GCS/DA-CD NPs into the right nostril showed the presence of NPs only in the right olfactory bulb and no morphological tissue damage occurred. Thus, these GCS based NPs could be potentially used as carriers for nose-to-brain DA delivery for the Parkinson's disease treatment.
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Chen X, Zhang Y, Yuan L, Zhang H, Dai W, He B, Wang X, Zhang Q. The P-glycoprotein inhibitory effect and related mechanisms of thiolated chitosan and its S-protected derivative. RSC Adv 2015. [DOI: 10.1039/c5ra19418k] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
P-gp inhibitory mechanisms mediated by CS-TGA and CS-TGA-6MNA lie in the decreasing membrane fluidity and inhibiting P-gp ATPase activity, while not influencing the expression of P-gp and decreasing ATP level at the investigation concentration.
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Affiliation(s)
- Xianhui Chen
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems
- School of Pharmaceutical Sciences
- Peking University
- Beijing 100191
- China
| | - Yang Zhang
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems
- School of Pharmaceutical Sciences
- Peking University
- Beijing 100191
- China
| | - Lan Yuan
- Medical and Healthy Analytical Center
- Peking University
- Beijing 100191
- China
| | - Hua Zhang
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems
- School of Pharmaceutical Sciences
- Peking University
- Beijing 100191
- China
| | - Wenbing Dai
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems
- School of Pharmaceutical Sciences
- Peking University
- Beijing 100191
- China
| | - Bing He
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems
- School of Pharmaceutical Sciences
- Peking University
- Beijing 100191
- China
| | - Xueqing Wang
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems
- School of Pharmaceutical Sciences
- Peking University
- Beijing 100191
- China
| | - Qiang Zhang
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems
- School of Pharmaceutical Sciences
- Peking University
- Beijing 100191
- China
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Bonengel S, Bernkop-Schnürch A. Thiomers--from bench to market. J Control Release 2014; 195:120-9. [PMID: 24993428 DOI: 10.1016/j.jconrel.2014.06.047] [Citation(s) in RCA: 97] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2014] [Revised: 06/16/2014] [Accepted: 06/24/2014] [Indexed: 01/22/2023]
Abstract
Thiolated polymers or designated thiomers are obtained by immobilization of sulhydryl bearing ligands on the polymeric backbone of well-established polymers such as poly(acrylates) or chitosans. This functionalization leads to significantly improved mucoadhesive properties compared to the corresponding unmodified polymers, as disulfide bonds between thiol groups of thiomers and cysteine-rich glycoproteins of the mucus gel layer are formed. Furthermore, enzyme- and efflux-pump inhibiting as well as improved permeation-enhancing properties are advantages of thiolization. By the covalent attachment of mercaptonicotinamide substructures via disulfide bonds to thiolated polymers these properties are even substantially further improved and stability towards oxidation even in aqueous media can be provided. Meanwhile, more than 50 research groups worldwide are working on thiolated polymers. For certain thiomers the scale up process for industrial production has already been done and GMP material is available. Furthermore, safety of thiolated poly(acrylic acid), thiolated chitosan and thiolated hyaluronic acid could be demonstrated via orientating studies in human volunteers and via various clinical trials. The first product (Lacrimera® eye drops, Croma-Pharma) containing a chitosan-N-acetylcysteine conjugate for treatment of dry eye syndrome will enter the European market this year. It is the only product providing a sustained protective effect on the ocular surface due to its comparatively much more prolonged residence time worldwide. Various further products utilizing, for instance, thiolated hyaluronic acid in ocular surgery are in the pipeline.
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Affiliation(s)
- Sonja Bonengel
- Center for Chemistry and Biomedicine, Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria
| | - Andreas Bernkop-Schnürch
- Center for Chemistry and Biomedicine, Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria.
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