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Huang HL, Chen KW, Liao HW, Wang LY, Peng SL, Lai CH, Lin YH. Nanoparticles for Augmenting Therapeutic Potential and Alleviating the Effect of Di(2-ethylhexyl) Phthalate on Gastric Cancer. ACS APPLIED MATERIALS & INTERFACES 2024; 16:18285-18299. [PMID: 38574184 DOI: 10.1021/acsami.3c15976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/06/2024]
Abstract
Changes in diet culture and modern lifestyle contributed to a higher incidence of gastrointestinal-related diseases, including gastritis, implicated in the pathogenesis of gastric cancer. This observation raised concerns regarding exposure to di(2-ethylhexyl) phthalate (DEHP), which is linked to adverse health effects, including reproductive and developmental problems, inflammatory response, and invasive adenocarcinoma. Research on the direct link between DEHP and gastric cancer is ongoing, and further studies are required to establish a conclusive association. In our study, extremely low concentrations of DEHP exerted significant effects on cell migration by promoting the epithelial-mesenchymal transition in gastric cancer cells. This effect was mediated by the modulation of the PI3K/AKT/mTOR and Smad2 signaling pathways. To address the DEHP challenges, our initial design of TPGS-conjugated fucoidan, delivered via pH-responsive nanoparticles, successfully demonstrated binding to the P-selectin protein. This achievement has not only enhanced the antigastric tumor efficacy but has also led to a significant reduction in the expression of malignant proteins associated with the condition. These findings underscore the promising clinical therapeutic potential of our approach.
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Affiliation(s)
- Hau-Lun Huang
- Department of Pharmacy, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan
| | - Kuo-Wei Chen
- Division of Hematology and Oncology, Cheng Hsin General Hospital, Taipei 112401, Taiwan
| | - Hsiao-Wei Liao
- Department of Pharmacy, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan
| | - Ling-Yu Wang
- Institute of Pharmacology, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan
| | - Shin-Lei Peng
- Department of Biomedical Imaging and Radiological Science, China Medical University, Taichung 40402, Taiwan
| | - Chih-Ho Lai
- Department of Microbiology and Immunology, Molecular Infectious Disease Research Center, Chang Gung University and Chang Gung Memorial Hospital, Taoyuan 33302, Taiwan
| | - Yu-Hsin Lin
- Department of Pharmacy, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan
- Medical Device Innovation and Translation Center, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 40402, Taiwan
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2
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Filippov SK, Khusnutdinov R, Murmiliuk A, Inam W, Zakharova LY, Zhang H, Khutoryanskiy VV. Dynamic light scattering and transmission electron microscopy in drug delivery: a roadmap for correct characterization of nanoparticles and interpretation of results. MATERIALS HORIZONS 2023; 10:5354-5370. [PMID: 37814922 DOI: 10.1039/d3mh00717k] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/11/2023]
Abstract
In this focus article, we provide a scrutinizing analysis of transmission electron microscopy (TEM) and dynamic light scattering (DLS) as the two common methods to study the sizes of nanoparticles with focus on the application in pharmaceutics and drug delivery. Control over the size and shape of nanoparticles is one of the key factors for many biomedical systems. Particle size will substantially affect their permeation through biological membranes. For example, an enhanced permeation and retention effect requires a very narrow range of sizes of nanoparticles (50-200 nm) and even a minor deviation from these values will substantially affect the delivery of drug nanocarriers to the tumour. However, amazingly a great number of research papers in pharmaceutics and drug delivery report a striking difference in nanoparticle size measured by the two most popular experimental techniques (TEM and DLS). In some cases, this difference was reported to be 200-300%, raising the question of which size measurement result is more trustworthy. In this focus article, we primarily focus on the physical aspects that are responsible for the routinely observed mismatch between TEM and DLS results. Some of these factors such as concentration and angle dependencies are commonly underestimated and misinterpreted. We convincingly show that correctly used experimental procedures and a thorough analysis of results generated using both methods can eliminate the DLS and TEM data mismatch completely or will make the results much closer to each other. Also, we provide a clear roadmap for drug delivery and pharmaceutical researchers to conduct reliable DLS measurements.
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Affiliation(s)
- Sergey K Filippov
- School of Pharmacy, University of Reading, Whiteknights, RG6 6DX Reading, UK.
- Pharmaceutical Sciences Laboratory, Faculty of Science and Engineering, Åbo Akademi University, 20520 Turku, Finland
| | - Ramil Khusnutdinov
- Institute of Pharmacy, Kazan State Medical University, 16 Fatykh Amirkhan, 420126 Kazan, Russian Federation
| | - Anastasiia Murmiliuk
- Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University, Hlavova 8, 128 00 Prague 2, Czech Republic
| | - Wali Inam
- Pharmaceutical Sciences Laboratory, Faculty of Science and Engineering, Åbo Akademi University, 20520 Turku, Finland
| | - Lucia Ya Zakharova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of RAS, 8 Arbuzov Str., 420088 Kazan, Russian Federation
| | - Hongbo Zhang
- Pharmaceutical Sciences Laboratory, Faculty of Science and Engineering, Åbo Akademi University, 20520 Turku, Finland
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, 20520 Turku, Finland
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3
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Fathi-Karkan S, Mirinejad S, Ulucan-Karnak F, Mukhtar M, Almanghadim HG, Sargazi S, Rahdar A, Díez-Pascual AM. Biomedical applications of aptamer-modified chitosan nanomaterials: An updated review. Int J Biol Macromol 2023; 238:124103. [PMID: 36948344 DOI: 10.1016/j.ijbiomac.2023.124103] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 03/02/2023] [Accepted: 03/16/2023] [Indexed: 03/24/2023]
Abstract
Among polysaccharides of environmental and economic interest, chitosan (CS) is receiving much attention, particularly in the food and biotechnology industries to encapsulate active food ingredients and immobilize enzymes. CS nanoparticles (CS NPs) combine the intrinsic beneficial properties of both natural polymers and nanoscale particles such as quantum size effect, biocompatibility, biodegradability, and ease of modification, and have great potential for bioimaging, drug delivery, and biosensing applications. Aptamers are single-stranded oligonucleotides that can fold into predetermined structures and bind to the corresponding biomolecules. They are mainly used as targeting ligands in biosensors, disease diagnostic kits and treatment strategies. They can deliver contrast agents and drugs into cancer cells and tissues, control microorganism growth and precisely target pathogens. Aptamer-conjugated CS NPs can significantly improve the efficacy of conventional therapies, minimize their side effects on normal tissues, and overcome the enhanced permeability retention (EPR) effect. Further, aptamer-conjugated carbohydrate-based nanobiopolymers have shown excellent antibacterial and antiviral properties and can be used to develop novel biosensors for the efficient detection of antibiotics, toxins, and other biomolecules. This updated review aims to provide a comprehensive overview of the bioapplications of aptamer-conjugated CS NPs used as innovative diagnostic and therapeutic platforms, their limitations, and potential future directions.
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Affiliation(s)
- Sonia Fathi-Karkan
- Department of Advanced Sciences and Technologies in Medicine, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd 94531-55166, Iran
| | - Shekoufeh Mirinejad
- Cellular and Molecular Research Center, Research Institute of Cellular and Molecular Sciences in Infectious Diseases, Zahedan University of Medical Sciences, Zahedan 98167-43463, Iran
| | - Fulden Ulucan-Karnak
- Department of Medical Biochemistry, Faculty of Medicine, Ege University, İzmir 35100, Turkey
| | - Mahwash Mukhtar
- Faculty of Pharmacy, Institute of Pharmaceutical Technology and Regulatory Affairs, University of Szeged, 6720 Szeged, Hungary.
| | | | - Saman Sargazi
- Cellular and Molecular Research Center, Research Institute of Cellular and Molecular Sciences in Infectious Diseases, Zahedan University of Medical Sciences, Zahedan 98167-43463, Iran
| | - Abbas Rahdar
- Department of Physics, University of Zabol, Zabol, P.O. Box 98613-35856, Iran.
| | - Ana M Díez-Pascual
- Universidad de Alcalá, Facultad de Ciencias, Departamento de Química Analítica, Química Física e Ingeniería Química, Ctra. Madrid-Barcelona, Km. 33.6, 28805 Alcalá de Henares, Madrid, Spain.
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4
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Guadarrama-Escobar OR, Serrano-Castañeda P, Anguiano-Almazán E, Vázquez-Durán A, Peña-Juárez MC, Vera-Graziano R, Morales-Florido MI, Rodriguez-Perez B, Rodriguez-Cruz IM, Miranda-Calderón JE, Escobar-Chávez JJ. Chitosan Nanoparticles as Oral Drug Carriers. Int J Mol Sci 2023; 24:ijms24054289. [PMID: 36901719 PMCID: PMC10001540 DOI: 10.3390/ijms24054289] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 02/09/2023] [Accepted: 02/16/2023] [Indexed: 02/24/2023] Open
Abstract
The use of nanoparticles as drug delivery systems has increased in importance in the last decades. Despite the disadvantages of difficulty swallowing, gastric irritation, low solubility, and poor bioavailability, oral administration stands out as the most widely used route for therapeutic treatments, though it may not always be the most effective route. The effect of the first hepatic pass is one of the primary challenges that drugs must overcome to carry out their therapeutic effect. For these reasons, controlled-release systems based on nanoparticles synthesized from biodegradable natural polymers have been reported to be very efficient in enhancing oral delivery in multiple studies. Chitosan has been shown to have an extensive variability of properties and roles in the pharmaceutical and health fields; of its most important properties are the ability to encapsulate and transport drugs within the body and enhance the drug interaction with the target cells, which improves the efficacy of the encapsulated drugs. The physicochemical properties of chitosan give it the ability to form nanoparticles through multiple mechanisms, which will be addressed in this article. The present review article focuses on highlighting the applications of chitosan nanoparticles for oral drug delivery.
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Affiliation(s)
- Omar Rodrigo Guadarrama-Escobar
- Unidad de Investigación Multidisciplinaria-Lab 12, Facultad de Estudios Superiores Cuautitlán-Universidad Nacional Autónoma de México, Carretera Cuautitlán-Teoloyucan, km 2.5 San Sebastián Xhala, Cuautitlán Izcalli 54714, Mexico
| | - Pablo Serrano-Castañeda
- Unidad de Investigación Multidisciplinaria-Lab 12, Facultad de Estudios Superiores Cuautitlán-Universidad Nacional Autónoma de México, Carretera Cuautitlán-Teoloyucan, km 2.5 San Sebastián Xhala, Cuautitlán Izcalli 54714, Mexico
| | - Ericka Anguiano-Almazán
- Unidad de Investigación Multidisciplinaria-Lab 12, Facultad de Estudios Superiores Cuautitlán-Universidad Nacional Autónoma de México, Carretera Cuautitlán-Teoloyucan, km 2.5 San Sebastián Xhala, Cuautitlán Izcalli 54714, Mexico
| | - Alma Vázquez-Durán
- Unidad de Investigación Multidisciplinaria L14 (Ciencia y Tecnología de los Materiales), Facultad de Estudios superiores Cuautitlán, Universidad Nacional Autónoma de México, Estado de México 54714, Mexico
| | - Ma. Concepción Peña-Juárez
- Unidad de Investigación Multidisciplinaria-Lab 12, Facultad de Estudios Superiores Cuautitlán-Universidad Nacional Autónoma de México, Carretera Cuautitlán-Teoloyucan, km 2.5 San Sebastián Xhala, Cuautitlán Izcalli 54714, Mexico
| | - Ricardo Vera-Graziano
- Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Apartado Postal 70-360, CU, Coyoacán, Ciudad de México 04510, Mexico
| | - Miriam Isabel Morales-Florido
- Unidad de Investigación Multidisciplinaria-Lab 12, Facultad de Estudios Superiores Cuautitlán-Universidad Nacional Autónoma de México, Carretera Cuautitlán-Teoloyucan, km 2.5 San Sebastián Xhala, Cuautitlán Izcalli 54714, Mexico
- Laboratorio de Farmacia Molecular y Liberación Controlada, Departamento de Sistemas Biológicos, Universidad Autónoma Metropolitana, Xochimilco 04960, Mexico
| | - Betsabe Rodriguez-Perez
- Laboratorio de Servicio de Análisis de Propóleos (LASAP), Unidad de Investigación Multidisciplinaria (UIM), Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México, Cuautitlán Izcalli 54714, Mexico
| | - Isabel Marlen Rodriguez-Cruz
- Unidad de Enseñanza e Investigación, Hospital Regional de Alta Especialidad de Zumpango, Carretera Zumpango-Jilotzingo #400, Barrio de Santiago, 2ª Sección, Zumpango 55600, Mexico
| | - Jorge Esteban Miranda-Calderón
- Laboratorio de Farmacia Molecular y Liberación Controlada, Departamento de Sistemas Biológicos, Universidad Autónoma Metropolitana, Xochimilco 04960, Mexico
| | - José Juan Escobar-Chávez
- Unidad de Investigación Multidisciplinaria-Lab 12, Facultad de Estudios Superiores Cuautitlán-Universidad Nacional Autónoma de México, Carretera Cuautitlán-Teoloyucan, km 2.5 San Sebastián Xhala, Cuautitlán Izcalli 54714, Mexico
- Correspondence: ; Tel.: +52-55-56231999 (ext. 39442)
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Cavallaro G, Chiappisi L, Gradzielski M, Lazzara G. Effect of the supramolecular interactions on the nanostructure of halloysite/biopolymer hybrids: a comprehensive study by SANS, fluorescence correlation spectroscopy and electric birefringence. Phys Chem Chem Phys 2020; 22:8193-8202. [PMID: 32249883 DOI: 10.1039/d0cp01076f] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The structural properties of halloysite/biopolymer aqueous mixtures were firstly investigated by means of combining different techniques, including small-angle neutron scattering (SANS), electric birefringence (EBR) and fluorescence correlation spectroscopy (FCS). Among the biopolymers, non-ionic hydroxypropylcellulose and polyelectrolytes (anionic alginate and cationic chitosan) were selected. On this basis, the specific supramolecular interactions were correlated to the structural behavior of the halloysite/biopolymer mixtures. SANS data were analyzed in order to investigate the influence of the biopolymer adsorption on the halloysite gyration radius. In addition, a morphological description of the biopolymer-coated halloysite nanotubes (HNTs) was obtained by the simulation of SANS curves. EBR experiments evidenced that the orientation dynamics of the nanotubes in the electric field is influenced by the specific interactions with the polymers. Namely, both variations of the polymer charge and/or wrapping mechanisms strongly affected the HNT alignment process and, consequently, the rotational mobility of the nanotubes. FCS measurements with fluorescently labeled biopolymers allowed us to study the aqueous dynamic behavior of ionic biopolymers after their adsorption onto the HNT surfaces. The combination of EBR and FCS results revealed that the adsorption process reduces the mobility in water of both components. These effects are strongly enhanced by HNT/polyelectrolyte electrostatic interactions and wrapping processes occurring in the halloysite/chitosan mixture. The attained findings can be useful for designing halloysite/polymer hybrids with controlled structural properties.
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Affiliation(s)
- Giuseppe Cavallaro
- Dipartimento di Fisica e Chimica, Università degli Studi di Palermo, Viale delle Scienze pad 17, 90128 Palermo, Italy. and Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali, INSTM, Via G. Giusti, 9, I-50121 Firenze, Italy and Stranski Laboratorium für Physikalische und Theoretische Chemie, Institut für Chemie, Technische Universität Berlin, Straße des 17. Juni 124, Sekr. TC 7, 10623 Berlin, Germany
| | - Leonardo Chiappisi
- Stranski Laboratorium für Physikalische und Theoretische Chemie, Institut für Chemie, Technische Universität Berlin, Straße des 17. Juni 124, Sekr. TC 7, 10623 Berlin, Germany and LSS Group, Institut Laue-Langevin, 6 rue Jules Horowitz BP 156, F-38042 Grenoble, Cedex 9, France
| | - Michael Gradzielski
- Stranski Laboratorium für Physikalische und Theoretische Chemie, Institut für Chemie, Technische Universität Berlin, Straße des 17. Juni 124, Sekr. TC 7, 10623 Berlin, Germany
| | - Giuseppe Lazzara
- Dipartimento di Fisica e Chimica, Università degli Studi di Palermo, Viale delle Scienze pad 17, 90128 Palermo, Italy. and Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali, INSTM, Via G. Giusti, 9, I-50121 Firenze, Italy
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6
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Barwal I, Kumar R, Dada T, Yadav SC. Effect of Ultra-Small Chitosan Nanoparticles Doped with Brimonidine on the Ultra-Structure of the Trabecular Meshwork of Glaucoma Patients. MICROSCOPY AND MICROANALYSIS : THE OFFICIAL JOURNAL OF MICROSCOPY SOCIETY OF AMERICA, MICROBEAM ANALYSIS SOCIETY, MICROSCOPICAL SOCIETY OF CANADA 2019; 25:1352-1366. [PMID: 31018876 DOI: 10.1017/s1431927619000448] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Brimonidine, an anti-glaucoma medicine, acts as an adrenergic agonist which decreases the synthesis of aqueous humour and increases the amount of drainage through Schlemm's canal and trabecular meshwork, but shows dose-dependent (0.2% solution thrice daily) toxicity. To reduce the side effects and improve the efficacy, brimonidine was nanoencapsulated on ultra-small-sized chitosan nanoparticles (nanobrimonidine) (28 ± 4 nm) with 39% encapsulation efficiency, monodispersity, freeze-thawing capability, storage stability, and 2% drug loading capacity. This nanocomplex showed burst, half, and complete release at 0.5, 45, and 100 h, respectively. Nanobrimonidine did not show any in vitro toxicity and was taken up by caveolae-mediated endocytosis. The nanobrimonidine-treated trabeculectomy tissue of glaucoma patients showed better dilation of the trabecular meshwork under the electron microscope. This is direct evidence for better bioavailability of nanobrimonidine after topical administration. Thus, the developed nanobrimonidine has the potential to improve the efficacy, reduce dosage and frequency, and improve delivery to the anterior chamber of the eye.
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Affiliation(s)
- Indu Barwal
- Department of Anatomy, Nanotechnology Lab, Electron Microscope Facility, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Rahul Kumar
- Department of Anatomy, Nanotechnology Lab, Electron Microscope Facility, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Tanuj Dada
- Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Subhash Chandra Yadav
- Department of Anatomy, Nanotechnology Lab, Electron Microscope Facility, All India Institute of Medical Sciences, New Delhi 110029, India
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7
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Shtenberg Y, Goldfeder M, Prinz H, Shainsky J, Ghantous Y, El-Naaj IA, Schroeder A, Bianco-Peled H. Mucoadhesive Hybrid Polymer/Liposome Pastes Based on Modified Polysaccharides. J Pharm Sci 2019; 108:3814-3822. [DOI: 10.1016/j.xphs.2019.08.022] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2019] [Revised: 08/09/2019] [Accepted: 08/22/2019] [Indexed: 11/29/2022]
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8
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He J, Li C, Ding L, Huang Y, Yin X, Zhang J, Zhang J, Yao C, Liang M, Pirraco RP, Chen J, Lu Q, Baldridge R, Zhang Y, Wu M, Reis RL, Wang Y. Tumor Targeting Strategies of Smart Fluorescent Nanoparticles and Their Applications in Cancer Diagnosis and Treatment. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1902409. [PMID: 31369176 DOI: 10.1002/adma.201902409] [Citation(s) in RCA: 124] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 05/30/2019] [Indexed: 06/10/2023]
Abstract
Advantages such as strong signal strength, resistance to photobleaching, tunable fluorescence emissions, high sensitivity, and biocompatibility are the driving forces for the application of fluorescent nanoparticles (FNPs) in cancer diagnosis and therapy. In addition, the large surface area and easy modification of FNPs provide a platform for the design of multifunctional nanoparticles (MFNPs) for tumor targeting, diagnosis, and treatment. In order to obtain better targeting and therapeutic effects, it is necessary to understand the properties and targeting mechanisms of FNPs, which are the foundation and play a key role in the targeting design of nanoparticles (NPs). Widely accepted and applied targeting mechanisms such as enhanced permeability and retention (EPR) effect, active targeting, and tumor microenvironment (TME) targeting are summarized here. Additionally, a freshly discovered targeting mechanism is introduced, termed cell membrane permeability targeting (CMPT), which improves the tumor-targeting rate from less than 5% of the EPR effect to more than 50%. A new design strategy is also summarized, which is promising for future clinical targeting NPs/nanomedicines design. The targeting mechanism and design strategy will inspire new insights and thoughts on targeting design and will speed up precision medicine and contribute to cancer therapy and early diagnosis.
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Affiliation(s)
- Jiuyang He
- Tumor Precision Targeting Research Center, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
- Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, P. R. China
| | - Chenchen Li
- Tumor Precision Targeting Research Center, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
- Institute of Nanochemistry and Nanobiology, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
| | - Lin Ding
- Tumor Precision Targeting Research Center, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
- Institute of Nanochemistry and Nanobiology, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
- Department of Biological Chemistry, The University of Michigan, Ann Arbor, MI, 48109, USA
| | - Yanan Huang
- Tumor Precision Targeting Research Center, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
- Institute of Nanochemistry and Nanobiology, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
| | - Xuelian Yin
- Tumor Precision Targeting Research Center, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
- Institute of Nanochemistry and Nanobiology, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
| | - Junfeng Zhang
- Tumor Precision Targeting Research Center, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
- Institute of Nanochemistry and Nanobiology, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
| | - Jian Zhang
- Universal Medical Imaging Diagnostic Research Center, Shanghai, 200233, P. R. China
| | - Chenjie Yao
- Institute of Nanochemistry and Nanobiology, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
- Harvard T. H. Chan School of Public Health, Harvard University, Boston, MA, 02115, USA
| | - Minmin Liang
- Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, P. R. China
| | - Rogério P Pirraco
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017, Barco, Guimarães, Portugal
- ICVS/3B's PT Government Associate Lab, 4805, Braga/Guimarães, Portugal
| | - Jie Chen
- Tumor Precision Targeting Research Center, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
| | - Quan Lu
- Harvard T. H. Chan School of Public Health, Harvard University, Boston, MA, 02115, USA
| | - Ryan Baldridge
- Department of Biological Chemistry, The University of Michigan, Ann Arbor, MI, 48109, USA
| | - Yong Zhang
- Tumor Precision Targeting Research Center, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
- Department of Biomedical Engineering, National University of Singapore, Singapore, 119077, Singapore
| | - Minghong Wu
- Institute of Nanochemistry and Nanobiology, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
| | - Rui L Reis
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017, Barco, Guimarães, Portugal
- ICVS/3B's PT Government Associate Lab, 4805, Braga/Guimarães, Portugal
- The Discoveries Centre for Regenerative and Precision Medicine, Headquarters at University of Minho, Avepark, 4805-017, Barco, Guimarães, Portugal
| | - Yanli Wang
- Tumor Precision Targeting Research Center, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
- Institute of Nanochemistry and Nanobiology, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, P. R. China
- Harvard T. H. Chan School of Public Health, Harvard University, Boston, MA, 02115, USA
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Marpu SB, Benton EN. Shining Light on Chitosan: A Review on the Usage of Chitosan for Photonics and Nanomaterials Research. Int J Mol Sci 2018; 19:E1795. [PMID: 29914214 PMCID: PMC6032264 DOI: 10.3390/ijms19061795] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Revised: 06/12/2018] [Accepted: 06/13/2018] [Indexed: 12/13/2022] Open
Abstract
Chitosan (CS) is a natural polymer derived from chitin that has found its usage both in research and commercial applications due to its unique solubility and chemical and biological attributes. The biocompatibility and biodegradability of CS have helped researchers identify its utility in the delivery of therapeutic agents, tissue engineering, wound healing, and more. Industrial applications include cosmetic and personal care products, wastewater treatment, and corrosion protection, to name a few. Many researchers have published numerous reviews outlining the physical and chemical properties of CS, as well as its use for many of the above-mentioned applications. Recently, the cationic polyelectrolyte nature of CS was found to be advantageous for stabilizing fascinating photonic materials including plasmonic nanoparticles (e.g., gold and silver), semiconductor nanoparticles (e.g., zinc oxide, cadmium sulfide), fluorescent organic dyes (e.g., fluorescein isothiocyanate (FITC)), luminescent transitional and lanthanide complexes (e.g., Au(I) and Ru(II), and Eu(III)). These photonic systems have been extensively investigated for their usage in antimicrobial, wound healing, diagnostics, sensing, and imaging applications. Highlighted in this review are the different works involving some of the above-mentioned molecular-nano systems that are prepared or stabilized using the CS polymer. The advantages and the role of the CS for synthesizing and stabilizing the above-mentioned optically active materials have been illustrated.
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Affiliation(s)
- Sreekar B Marpu
- Department of Chemistry, University of North Texas, Denton, TX 76203, USA.
| | - Erin N Benton
- Department of Chemistry, University of North Texas, Denton, TX 76203, USA.
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10
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Fabrication of hyaluronidase-responsive biocompatible multilayers on BMP2 loaded titanium nanotube for the bacterial infection prevention. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 89:95-105. [PMID: 29752124 DOI: 10.1016/j.msec.2018.03.024] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Revised: 12/25/2017] [Accepted: 03/23/2018] [Indexed: 11/21/2022]
Abstract
Infection associated with orthopedic implants is the chief cause of implant failure. An important consideration to prevent the infection at implants is to inhibit the biofilm formation for the initial 6 h. Therefore, we fabricated hyaluronidase-sensitive multilayers of chitosan (Chi)/sodium hyaluronate-lauric acid (SL) onto the surface of bone morphogenetic protein 2 (BMP2) loaded titanium nanotube (TNT) via spin-assisted layer-by-layer technique. The results of both Fourier transform infrared spectroscopy (FTIR) and nuclear magnetic resonance (1H NMR) confirmed the successful synthesis of SL. The multilayer structure on BMP2 loaded TNT was characterized by field-emission scanning electron microscopy (FE-SEM), atomic force microscopy (AFM) and water contact angle, respectively. The release profiles confirmed that hyaluronidase could trigger the release of lauric acid (LA) from the SL multilayer and accelerate the release of BMP2 in the system. The hyaluronidase-sensitive-multilayer-coated BMP2-loaded TNT (TNT/BMP2/(Chi/SL/Chi/Gel)4) not only demonstrated good antibacterial capability, but also showed good biocompatibility in in vitro usage, which was supported by the efficient growth inhibition of both Staphylococcus aureus and Escherichia coli, as well as higher cell viability, alkaline phosphatase activity, mineralization capability, and higher gene expression of osteoblasts on TNT/BMP2/(Chi/SL/Chi/Gel)4. This study developed an alternative approach to fabricate effective antibacterial implants for orthopedic implantation.
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Abdel-Hafez SM, Hathout RM, Sammour OA. Tracking the transdermal penetration pathways of optimized curcumin-loaded chitosan nanoparticles via confocal laser scanning microscopy. Int J Biol Macromol 2018; 108:753-764. [DOI: 10.1016/j.ijbiomac.2017.10.170] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Revised: 10/25/2017] [Accepted: 10/26/2017] [Indexed: 12/22/2022]
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12
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Eliyahu S, Aharon A, Bianco-Peled H. Acrylated Chitosan Nanoparticles with Enhanced Mucoadhesion. Polymers (Basel) 2018; 10:polym10020106. [PMID: 30966139 PMCID: PMC6415080 DOI: 10.3390/polym10020106] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2017] [Revised: 01/18/2018] [Accepted: 01/19/2018] [Indexed: 01/19/2023] Open
Abstract
The aim of this study was to investigate the effect of acrylate modification on the mucoadhesion of chitosan at the nanoscale. Nanoparticles were fabricated from acrylated chitosan (ACS) via ionic gelation with tripolyphosphate and were characterized in terms of size, zeta potential, stability, and nanoparticle yield. Chitosan (CS) nanoparticles, serving as a control, were fabricated using the same procedure. The mucoadhesion of the nanoparticles was evaluated using the flow-through method after different incubation periods. The retention percentages of ACS nanoparticles were found to be significantly higher than those of CS nanoparticles, for all studied time intervals. An additional indication for the increased mucoadhesion of ACS nanoparticles was the increase in particle size obtained from the mucin particle method, in which mucin and nanoparticles are mixed at different ratios. NMR data verified the presence of free acrylate groups on the ACS nanoparticles. Thus, the improved mucoadhesion could be due to a Michael-type addition reaction between the nanoparticles and thiol groups present in mucin glycoprotein, in addition to entanglements and hydrogen bonding. Overall, ACS nanoparticles exhibit enhanced mucoadhesion properties as compared to CS nanoparticles and could be used as vehicles for drug delivery systems.
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Affiliation(s)
- Shaked Eliyahu
- The Russell Berrie Nanotechnology Institute, Technion-Israel Institute of Technology, Haifa 3200003, Israel.
| | - Anat Aharon
- Bruce Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa 3200003, Israel.
- Department of Hematology and Bone Marrow Transplantation, Rambam Health Care Campus, Haifa 3109601, Israel.
| | - Havazelet Bianco-Peled
- The Russell Berrie Nanotechnology Institute, Technion-Israel Institute of Technology, Haifa 3200003, Israel.
- Department of Chemical Engineering, Technion-Israel Institute of Technology, Haifa 3200003, Israel.
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Orellano MS, Porporatto C, Silber JJ, Falcone RD, Correa NM. AOT reverse micelles as versatile reaction media for chitosan nanoparticles synthesis. Carbohydr Polym 2017; 171:85-93. [DOI: 10.1016/j.carbpol.2017.04.074] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2016] [Revised: 03/07/2017] [Accepted: 04/24/2017] [Indexed: 10/19/2022]
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14
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Barbari GR, Dorkoosh FA, Amini M, Sharifzadeh M, Atyabi F, Balalaie S, Rafiee Tehrani N, Rafiee Tehrani M. A novel nanoemulsion-based method to produce ultrasmall, water-dispersible nanoparticles from chitosan, surface modified with cell-penetrating peptide for oral delivery of proteins and peptides. Int J Nanomedicine 2017; 12:3471-3483. [PMID: 28496323 PMCID: PMC5422456 DOI: 10.2147/ijn.s116063] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
A simple and reproducible water-in-oil (W/O) nanoemulsion technique for making ultrasmall (<15 nm), monodispersed and water-dispersible nanoparticles (NPs) from chitosan (CS) is reported. The nano-sized (50 nm) water pools of the W/O nanoemulsion serve as “nano-containers and nano-reactors”. The entrapped polymer chains of CS inside these “nano-reactors” are covalently cross-linked with the chains of polyethylene glycol (PEG), leading to rigidification and formation of NPs. These NPs possess excessive swelling properties in aqueous medium and preserve integrity in all pH ranges due to chemical cross-linking with PEG. A potent and newly developed cell-penetrating peptide (CPP) is further chemically conjugated to the surface of the NPs, leading to development of a novel peptide-conjugated derivative of CS with profound tight-junction opening properties. The CPP-conjugated NPs can easily be loaded with almost all kinds of proteins, peptides and nucleotides for oral delivery applications. Feasibility of this nanoparticulate system for oral delivery of a model peptide (insulin) is investigated in Caco-2 cell line. The cell culture results for translocation of insulin across the cell monolayer are very promising (15%–19% increase), and animal studies are actively under progress and will be published separately.
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Affiliation(s)
| | | | | | - Mohammad Sharifzadeh
- Department of Pharmacology, School of Pharmacy, Tehran University of Medical Sciences
| | | | | | - Niyousha Rafiee Tehrani
- Department of Biochemistry, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
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15
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Rathi N, Gaikar VG. Optimization of Continuous Synthesis of Cross-Linked Chitosan Nanoparticles Using Microreactors. Chem Eng Technol 2017. [DOI: 10.1002/ceat.201600339] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Noopur Rathi
- Institute of Chemical Technology; Department of Chemical Engineering; Nathalal Parekh Marg, Matunga 400019 Mumbai India
| | - Vilas G. Gaikar
- Institute of Chemical Technology; Department of Chemical Engineering; Nathalal Parekh Marg, Matunga 400019 Mumbai India
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Chaiyasan W, Praputbut S, Kompella UB, Srinivas SP, Tiyaboonchai W. Penetration of mucoadhesive chitosan-dextran sulfate nanoparticles into the porcine cornea. Colloids Surf B Biointerfaces 2017; 149:288-296. [DOI: 10.1016/j.colsurfb.2016.10.032] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2016] [Revised: 10/13/2016] [Accepted: 10/16/2016] [Indexed: 01/06/2023]
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17
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Tumor targeting strategies for chitosan-based nanoparticles. Colloids Surf B Biointerfaces 2016; 148:460-473. [DOI: 10.1016/j.colsurfb.2016.09.020] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2016] [Revised: 09/13/2016] [Accepted: 09/15/2016] [Indexed: 12/17/2022]
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18
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Chiani M, Shokrgozar MA, Azadmanesh K, Norouzian D, Mehrabi MR, Najmafshar A, Akbarzadeh A. Preparation, characterization, and in vitro evaluation of bleomycin-containing nanoliposomes. Chem Biol Drug Des 2016; 89:492-497. [DOI: 10.1111/cbdd.12869] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2016] [Revised: 08/21/2016] [Accepted: 09/10/2016] [Indexed: 11/28/2022]
Affiliation(s)
- Mohsen Chiani
- Pilot Nanobiotechnology Department; Pasteur Institute of Iran; Tehran Iran
| | | | | | - Dariush Norouzian
- Pilot Nanobiotechnology Department; Pasteur Institute of Iran; Tehran Iran
| | | | - Aazam Najmafshar
- Clinical Biochemistry Department; Faculty of Pharmacy; Isfahan University of Medical Sciences; Isfahan Iran
| | - Azim Akbarzadeh
- Pilot Nanobiotechnology Department; Pasteur Institute of Iran; Tehran Iran
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Basumallick S, Gabriela Nogueira Campos M, Richardson D, Gesquiere A, Santra S. Hydrothermally treated chitosan spontaneously forms water-soluble spherical particles stable at a wide pH range. INT J POLYM MATER PO 2016. [DOI: 10.1080/00914037.2016.1163568] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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20
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Magesky A, Ribeiro CAO, Pelletier É. Physiological effects and cellular responses of metamorphic larvae and juveniles of sea urchin exposed to ionic and nanoparticulate silver. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2016; 174:208-227. [PMID: 26966875 DOI: 10.1016/j.aquatox.2016.02.018] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2015] [Revised: 02/21/2016] [Accepted: 02/23/2016] [Indexed: 06/05/2023]
Abstract
The widespread use of silver nanoparticles (AgNPs) would likely result in their discharge into wastewater and inevitable release in densely populated coastal areas. It is known that AgNPs can cause harmful effects to marine fauna, but how they affect development stages is still an open question. In order to understand in details how polymer-coated AgNPs (PAAm-AgNPs) (from 0.19 to 4.64mM as Ag) can affect critical stages of marine invertebrate development, metamorphic larvae and juveniles of sea urchins were used as biological models. Multidimensional scaling (MDS) approach based on Bray-Curtis similarity matrix with PERMANOVA showed organisms in a multivariate space undergoing through different physiological conditions as a function of time, chemical forms of silver, nominal concentrations, and presence or absence of food. Sublethal effects such as lethargy, oedema and immobility mainly characterized PAAm-AgNPs effects with juveniles and postlarvae, whereas necrosis and death arose in Ag(+) conditions in short-term tests. Chronically exposed metamorphic larvae had their morphogenic processes interrupted by PAAm-AgNPs and a high mortality rate was observed in recovery period. On the contrary, Ag(+) ions caused progressive mortality during exposure, but a quick recovery in uncontaminated seawater was observed. By means of fluorescent markers we showed that nanosilver could be transferred between consecutive stages (swimming larvae and postlarvae) and highlighted how important is food to enhance PAAm-AgNPs uptake. Using TEM we observed that unfed juveniles had nanosilver aggregates mostly restricted to their coelomic sinuses, while metamorphic larvae already had nano-contamination overspread in different tissues and blastocoel. Our main hypothesis for nanotoxicity of PAAM-AgNPs relies on the slow dissolution of nano-core over time, but in this study the effects of particulate silver form itself are also evoked. Main mechanisms governing tissular and cellular responses to nano-intoxication such as inflammatory response and detoxification based on the role of sentinel cells (peritoneal cells and coelomocytes) for general homeostasis are discussed. This paper is first to detail physiological states, main uptake routes and cellular response against polymer-coated AgNPs in developmental stages of marine invertebrate species.
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Affiliation(s)
- Adriano Magesky
- Institut de Sciences de la mer (ISMER), Université du Québec à Rimouski. 300, allée des Ursulines, C.P. 3300, succ. A., Rimouski, Québec G5L 3A1, Canada
| | - Ciro A Oliveiro Ribeiro
- Departamento de Biologia Celular, Universidade Federal do Paraná, C.P. 19031, CEP 81531-990 Curitiba, PR, Brazil
| | - Émilien Pelletier
- Institut de Sciences de la mer (ISMER), Université du Québec à Rimouski. 300, allée des Ursulines, C.P. 3300, succ. A., Rimouski, Québec G5L 3A1, Canada.
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Sunkireddy P, Kanwar RK, Ram J, Kanwar JR. Ultra-small algal chitosan ocular nanoparticles with iron-binding milk protein prevents the toxic effects of carbendazim pesticide. Nanomedicine (Lond) 2016; 11:495-511. [DOI: 10.2217/nnm.15.205] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Aim: To fabricate ultra-small algal chitosan nanoparticles (US CS NPs) for efficient delivery of bovine lactoferrin (bLf) to ocular tissues through topical administration to prevent carbendazim-induced toxicity. Materials & methods: Rat eye model was used to evaluate the in vivo biodistribution the US CS NPs and bovine eye model was used for evaluating ex vivo biodistribution. Human lens epithelial cell line (HLEB-3) model was used to evaluate the in vitro toxicity, uptake mechanism and in vitro efficacy of the synthesized bLf-US CS NPs over carbendazim-induced ocular toxicity. Results: The in vivo and ex vivo biodistribution results suggest that the ultra-small CS NPs efficiently internalize into the ocular tissues within 1 h after administering topically. Ultra-small algal nanocarriers to encapsulate bioactive antioxidant bLf protein and evaluated its potential in inhibiting carbendazim-induced human lens cell apoptosis and oxidative stress. bLf-encapsulated ultra-small algal US CS NPs prevented carbendazim-induced human lens cell apoptosis and oxidative stress. Conclusion: US CS NPs could be explored for their potential for delivering various ocular drugs through topical administration for other eye diseases including cataract, glaucoma and age-related macular degeneration.
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Affiliation(s)
- Pavan Sunkireddy
- Nanomedicine-Laboratory of Immunology & Molecular Biomedical Research (NLIMBR), School of Medicine (SoM), Centre for Molecular & Medical Research (C-MMR), School of Medicine, Faculty of Health, Deakin University, Geelong, Pigdons Road, Waurn Ponds, Geelong, Victoria 3216, Australia
- Biotechnology and Management of Bioresources Division, The Energy and Resources Institute, Darbari Seth Block, India Habitat Centre, Lodhi Road, New Delhi, 110003, India
| | - Rupinder Kaur Kanwar
- Nanomedicine-Laboratory of Immunology & Molecular Biomedical Research (NLIMBR), School of Medicine (SoM), Centre for Molecular & Medical Research (C-MMR), School of Medicine, Faculty of Health, Deakin University, Geelong, Pigdons Road, Waurn Ponds, Geelong, Victoria 3216, Australia
| | - Jagat Ram
- Department of Ophthalmology, Advanced Eye Centre, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, 160012, India
| | - Jagat Rakesh Kanwar
- Nanomedicine-Laboratory of Immunology & Molecular Biomedical Research (NLIMBR), School of Medicine (SoM), Centre for Molecular & Medical Research (C-MMR), School of Medicine, Faculty of Health, Deakin University, Geelong, Pigdons Road, Waurn Ponds, Geelong, Victoria 3216, Australia
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22
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Maxwell T, Banu T, Price E, Tharkur J, Campos MGN, Gesquiere A, Santra S. Non-Cytotoxic Quantum Dot-Chitosan Nanogel Biosensing Probe for Potential Cancer Targeting Agent. NANOMATERIALS 2015; 5:2359-2379. [PMID: 28347126 PMCID: PMC5304800 DOI: 10.3390/nano5042359] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Revised: 12/04/2015] [Accepted: 12/15/2015] [Indexed: 11/16/2022]
Abstract
Quantum dot (Qdot) biosensors have consistently provided valuable information to researchers about cellular activity due to their unique fluorescent properties. Many of the most popularly used Qdots contain cadmium, posing the risk of toxicity that could negate their attractive optical properties. The design of a non-cytotoxic probe usually involves multiple components and a complex synthesis process. In this paper, the design and synthesis of a non-cytotoxic Qdot-chitosan nanogel composite using straight-forward cyanogen bromide (CNBr) coupling is reported. The probe was characterized by spectroscopy (UV-Vis, fluorescence), microscopy (Fluorescence, Scanning Electron Microscopy (SEM), Transmission Electron Microscopy (TEM) and Dynamic Light Scattering. This activatable (“OFF”/“ON”) probe contains a core–shell Qdot (CdS:Mn/ZnS) capped with dopamine, which acts as a fluorescence quencher and a model drug. Dopamine capped “OFF” Qdots can undergo ligand exchange with intercellular glutathione, which turns the Qdots “ON” to restore fluorescence. These Qdots were then coated with chitosan (natural biocompatible polymer) functionalized with folic acid (targeting motif) and Fluorescein Isothiocyanate (FITC; fluorescent dye). To demonstrate cancer cell targetability, the interaction of the probe with cells that express different folate receptor levels was analyzed, and the cytotoxicity of the probe was evaluated on these cells and was shown to be nontoxic even at concentrations as high as 100 mg/L.
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Affiliation(s)
- Tyler Maxwell
- Department of Chemistry, University of Central Florida, 4000 Central Florida Blvd., Orlando, FL 32816, USA.
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway, Suite 400, Orlando, FL 32826, USA.
| | - Tahmina Banu
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway, Suite 400, Orlando, FL 32826, USA.
- Department of Material Science and Engineering, University of Central Florida, 127600 Pegasus Drive, Engineering 1, Suite 207, Orlando, FL 32816, USA.
| | - Edward Price
- Department of Chemistry, University of Central Florida, 4000 Central Florida Blvd., Orlando, FL 32816, USA.
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway, Suite 400, Orlando, FL 32826, USA.
| | - Jeremy Tharkur
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway, Suite 400, Orlando, FL 32826, USA.
- Burnett School of Biomedical Sciences, University of Central Florida College of Medicine, 6900 Lake Nona Boulevard, Orlando, FL 32827, USA.
| | - Maria Gabriela Nogueira Campos
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway, Suite 400, Orlando, FL 32826, USA.
- Institute of Science and Technology, Federal University of Alfenas, Rodovia José Aurélio Vilela, 11999, Poços de Caldas, MG 37715-400, Brazil.
| | - Andre Gesquiere
- Department of Chemistry, University of Central Florida, 4000 Central Florida Blvd., Orlando, FL 32816, USA.
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway, Suite 400, Orlando, FL 32826, USA.
- Department of Material Science and Engineering, University of Central Florida, 127600 Pegasus Drive, Engineering 1, Suite 207, Orlando, FL 32816, USA.
- College of Optics and Photonics, University of Central Florida, P.O. Box 162700, Orlando, FL 32816, USA.
| | - Swadeshmukul Santra
- Department of Chemistry, University of Central Florida, 4000 Central Florida Blvd., Orlando, FL 32816, USA.
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway, Suite 400, Orlando, FL 32826, USA.
- Department of Material Science and Engineering, University of Central Florida, 127600 Pegasus Drive, Engineering 1, Suite 207, Orlando, FL 32816, USA.
- Burnett School of Biomedical Sciences, University of Central Florida College of Medicine, 6900 Lake Nona Boulevard, Orlando, FL 32827, USA.
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23
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Cao X, Cao F, Xiong L, Yang Y, Cao T, Cai X, Hai W, Li B, Guo Y, Zhang Y, Li F. Cytotoxicity, tumor targeting and PET imaging of sub-5 nm KGdF4 multifunctional rare earth nanoparticles. NANOSCALE 2015; 7:13404-13409. [PMID: 26214757 DOI: 10.1039/c5nr03374h] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Ultrasmall sub-5 nm KGdF4 rare earth nanoparticles were synthesized as multifunctional probes for fluorescent, magnetic, and radionuclide imaging. The cytotoxicity of these nanoparticles in human glioblastoma U87MG and human non-small cell lung carcinoma H1299 cells was evaluated, and their application for in vitro and in vivo tumor targeted imaging has also been demonstrated.
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Affiliation(s)
- Xinmin Cao
- School of Biomedical Engineering, Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, 200030, P. R. China.
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24
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Effect of low-intensity pulsed ultrasound on biocompatibility and cellular uptake of chitosan-tripolyphosphate nanoparticles. Biointerphases 2015; 9:031016. [PMID: 25280857 DOI: 10.1116/1.4895711] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Using low molecular weight chitosan nanoparticles (CNPs) prepared by an ionic gelation method, the authors report the effect of low-intensity pulsed ultrasound (US) on cell viability and nanoparticle uptake in cultured murine preosteoblasts. Particle size and zeta potential are measured using dynamic light scattering, and cell viability is evaluated using the of [3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium, inner salt; MTS] assay. Results show that 30 min delivery of CNPs at 0.5 mg/mL is able to prevent loss of cell viability due to either serum starvation or subsequent exposure to US (1 W/cm(2) or 2 W/cm(2), up to 1 min). Additionally, flow cytometry data suggest that there is a close association between cellular membrane integrity and the presence of CNPs when US at 2 W/cm(2) is administered.
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25
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Xiong L, Cao F, Cao X, Guo Y, Zhang Y, Cai X. Long-term-stable near-infrared polymer dots with ultrasmall size and narrow-band emission for imaging tumor vasculature in vivo. Bioconjug Chem 2015; 26:817-21. [PMID: 25928072 DOI: 10.1021/acs.bioconjchem.5b00163] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Fluorescent nanoprobes have become one of the most promising classes of materials for cancer imaging. However, there remain many unresolved issues with respect to the understanding of their long-term colloidal stability and photostability in both biological systems and the environment. In this study, we report long-term-stable near-infrared (NIR) polymer dots for in vivo tumor vasculature imaging. NIR-emitting polymer dots were prepared by encapsulating an NIR dye, silicon 2,3-naphthalocyanine bis(trihexylsilyloxide) (NIR775), into a matrix of polymer dots, poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene] (MEH-PPV), using a nanoscale precipitation method. The prepared NIR polymer dots were sub-5 nm in diameter, exhibited narrow-band NIR emission at 778 nm with a full width at half-maximum of 20 nm, and displayed a large Stokes shift (>300 nm) between the excitation and emission maxima. In addition, no significant uptake of the prepared NIR polymer dots by either human glioblastoma U87MG cells or human non-small cell lung carcinoma H1299 cells was detected. Moreover, these NIR polymer dots showed long-term colloidal stability and photostability in water at 4 °C for at least 9 months, and were able to image vasculature of xenografted U87MG tumors in living mice after intravenous injection. These results thus open new opportunities for the development of whole-body imaging of mice based on NIR polymer dots as fluorescent nanoprobes.
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Affiliation(s)
- Liqin Xiong
- School of Biomedical Engineering, Med-X Research Institute, Shanghai Jiao Tong University, Shanghai 200030, P. R. China
| | - Fengwen Cao
- School of Biomedical Engineering, Med-X Research Institute, Shanghai Jiao Tong University, Shanghai 200030, P. R. China
| | - Xinmin Cao
- School of Biomedical Engineering, Med-X Research Institute, Shanghai Jiao Tong University, Shanghai 200030, P. R. China
| | - Yixiao Guo
- School of Biomedical Engineering, Med-X Research Institute, Shanghai Jiao Tong University, Shanghai 200030, P. R. China
| | - Yimin Zhang
- School of Biomedical Engineering, Med-X Research Institute, Shanghai Jiao Tong University, Shanghai 200030, P. R. China
| | - Xi Cai
- School of Biomedical Engineering, Med-X Research Institute, Shanghai Jiao Tong University, Shanghai 200030, P. R. China
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Bera T, Deng J, Fang J. Tailoring the surface of liquid crystal droplets with chitosan/surfactant complexes for the selective detection of bile acids in biological fluids. RSC Adv 2015. [DOI: 10.1039/c5ra09937d] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The surface of 5CB droplets dispersed in aqueous solution is tailored by the adsorption of CHI/SC14S complexes at the 5CB/aqueous interface. The CHI/SC14S complex-coated 5CB droplets can be used as an optical probe to detect CA in biological fluids without dilution.
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Affiliation(s)
- Tanmay Bera
- Department of Materials Science and Engineering
- University of Central Florida
- Orlando
- USA
| | - Jinan Deng
- Department of Materials Science and Engineering
- University of Central Florida
- Orlando
- USA
| | - Jiyu Fang
- Department of Materials Science and Engineering
- University of Central Florida
- Orlando
- USA
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27
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Mielańczyk A, Skonieczna M, Bernaczek K, Neugebauer D. Fluorescein nanocarriers based on cationic star copolymers with acetal linked sugar cores. Synthesis and biochemical characterization. RSC Adv 2014. [DOI: 10.1039/c4ra03579h] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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28
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Wang H, Yan X, Li GL, Pilz-Allen C, Möhwald H, Shchukin D. Sono-assembly of highly biocompatible polysaccharide capsules for hydrophobic drug delivery. Adv Healthc Mater 2014; 3:825-31. [PMID: 24323846 DOI: 10.1002/adhm.201300596] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2013] [Revised: 11/18/2013] [Indexed: 01/24/2023]
Abstract
Cells like sugar. General synthesis and potential of intracellular hydrophobic drug delivery of single-component polysaccharide capsules are pursued. The capsules can be generally assembled through hydrogen bonding networks but show striking shell robustness. The evidenced cell internalization, stimuli-responsiveness to local pH changes and high biocompatibilities of the capsules specifically favor their potential intracellular drug delivery.
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Affiliation(s)
- Hongqiang Wang
- Max Planck Institute of Colloids and Interfaces; 14424 Potsdam Germany
| | - Xuehai Yan
- Max Planck Institute of Colloids and Interfaces; 14424 Potsdam Germany
- Institute of Process Engineering; Chinese Academy of Sciences; P. R. China
| | - Guo Liang Li
- Max Planck Institute of Colloids and Interfaces; 14424 Potsdam Germany
| | | | - Helmuth Möhwald
- Max Planck Institute of Colloids and Interfaces; 14424 Potsdam Germany
| | - Dmitry Shchukin
- Max Planck Institute of Colloids and Interfaces; 14424 Potsdam Germany
- Stephenson Institute for Renewable Energy; Department of Chemistry; University of Liverpool; Crown Street Liverpool L69 7ZD UK
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29
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Ulanova LS, Isapour G, Maleki A, Fanaian S, Zhu K, Hoenen A, Xu C, Evensen Ø, Griffiths G, Nyström B. Development of methods for encapsulation of viruses into polymeric nano- and microparticles for aquaculture vaccines. J Appl Polym Sci 2014. [DOI: 10.1002/app.40714] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Lilia S. Ulanova
- Department of Molecular Biosciences; University of Oslo; N-0316 Oslo Norway
| | - Golnaz Isapour
- Department of Chemistry; University of Oslo; N-0315 Oslo Norway
| | - Atoosa Maleki
- Department of Chemistry; University of Oslo; N-0315 Oslo Norway
| | - Shirin Fanaian
- Department of Chemistry; University of Oslo; N-0315 Oslo Norway
| | - Kaizheng Zhu
- Department of Chemistry; University of Oslo; N-0315 Oslo Norway
| | - Antje Hoenen
- Department of Molecular Biosciences; University of Oslo; N-0316 Oslo Norway
| | - Cheng Xu
- Department of Basic Sciences and Aquatic Medicine; Norwegian School of Veterinary Science; Oslo Norway
| | - Øystein Evensen
- Department of Basic Sciences and Aquatic Medicine; Norwegian School of Veterinary Science; Oslo Norway
| | - Gareth Griffiths
- Department of Molecular Biosciences; University of Oslo; N-0316 Oslo Norway
| | - Bo Nyström
- Department of Chemistry; University of Oslo; N-0315 Oslo Norway
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30
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Polymeric vehicles for topical delivery and related analytical methods. Arch Pharm Res 2014; 37:423-34. [DOI: 10.1007/s12272-014-0342-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2013] [Accepted: 01/22/2014] [Indexed: 10/25/2022]
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Abstract
Nanoparticles are rapidly being developed and trialed to overcome several limitations of traditional drug delivery systems and are coming up as a distinct therapeutics for cancer treatment. Conventional chemotherapeutics possess some serious side effects including damage of the immune system and other organs with rapidly proliferating cells due to nonspecific targeting, lack of solubility, and inability to enter the core of the tumors resulting in impaired treatment with reduced dose and with low survival rate. Nanotechnology has provided the opportunity to get direct access of the cancerous cells selectively with increased drug localization and cellular uptake. Nanoparticles can be programmed for recognizing the cancerous cells and giving selective and accurate drug delivery avoiding interaction with the healthy cells. This review focuses on cell recognizing ability of nanoparticles by various strategies having unique identifying properties that distinguish them from previous anticancer therapies. It also discusses specific drug delivery by nanoparticles inside the cells illustrating many successful researches and how nanoparticles remove the side effects of conventional therapies with tailored cancer treatment.
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32
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Rodionov PV, Veselova IA, Shekhovtsova TN. A solid-phase fluorescent biosensor for the determination of phenolic compounds and peroxides in samples with complex matrices. Anal Bioanal Chem 2013; 406:1531-40. [DOI: 10.1007/s00216-013-7538-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2013] [Revised: 11/18/2013] [Accepted: 11/26/2013] [Indexed: 11/28/2022]
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33
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Liu CH, Sahoo SL, Tsao MH. Acridine orange coated magnetic nanoparticles for nucleus labeling and DNA adsorption. Colloids Surf B Biointerfaces 2013; 115:150-6. [PMID: 24334267 DOI: 10.1016/j.colsurfb.2013.11.003] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2013] [Revised: 10/22/2013] [Accepted: 11/03/2013] [Indexed: 12/30/2022]
Abstract
The magnetic-fluorescent nanoparticles are the integration of fluorophores and magnetic nanoparticles (MNP), which are superior to traditional single-modal nanoparticles. Here, we develop magnetic nanoparticles functionalized by acridine orange (ACO) for labeling nucleus and separating DNA. The ACO, a cell-permeant nucleic acid binding dye, is conjugated with amine on magnetic nanoparticles by glutaraldehyde-mediated coupling and characterized by TEM and FT-IR. Fluorescence spectroscopy, INCell analyzer, and confocal microscopy analyses confirmed the fluorescent property of ACO modified MNP. Furthermore, the modified magnetic nanoparticles showed strong intracellular fluorescence when incubated with 293T cells for a short period of time. The adsorption capacities measured at various concentrations showed enhanced adsorption capacities for double or single stranded DNA when compared to amine MNP conjugated with glutaraldehyde. The cell viability tests of the composite nanoparticles on 293T cells showed low cytotoxicity indicating the safeness of the nanoparticles. The modified magnetic nanoparticles pave a versatile platform for biological applications such as cell labeling and DNA adsorption.
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Affiliation(s)
- Chi-Hsien Liu
- Graduate Institute of Biochemical and Biomedical Engineering, Chang Gung University, Taiwan, ROC.
| | - Soubhagya Laxmi Sahoo
- Graduate Institute of Biochemical and Biomedical Engineering, Chang Gung University, Taiwan, ROC
| | - Min-Han Tsao
- Graduate Institute of Biochemical and Biomedical Engineering, Chang Gung University, Taiwan, ROC
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34
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Bharmoria P, Singh T, Kumar A. Complexation of chitosan with surfactant like ionic liquids: Molecular interactions and preparation of chitosan nanoparticles. J Colloid Interface Sci 2013; 407:361-9. [DOI: 10.1016/j.jcis.2013.06.032] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2013] [Revised: 06/14/2013] [Accepted: 06/15/2013] [Indexed: 10/26/2022]
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35
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Chen X, Zhu X, Li L, Xian G, Wang W, Ma D, Xie L. Investigation on novel chitosan nanoparticle-aptamer complexes targeting TGF-β receptor II. Int J Pharm 2013; 456:499-507. [PMID: 23999222 DOI: 10.1016/j.ijpharm.2013.08.028] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2013] [Revised: 07/29/2013] [Accepted: 08/15/2013] [Indexed: 12/01/2022]
Abstract
In our previous study, a dominant sequence called aptamer S58 antagonized TGF-β-induced myofibroblast transdifferentiation in human Tenon's capsule fibroblasts (HTFs) through sealing the targeting site of TGF-β receptor II (TβR II). However, rapid degradation by ubiquitous nucleases limited the aptamer's efficacy. Chitosan-nanoparticles (CS-NP) are good drug carriers. Herein we synthesises novel chitosan nanoparticle-aptamer S58 complexes called CS(S58)-NP in order to preserve and prolong S58's efficacy. We synthesised CS(S58)-NP at various molar ratios of CS-NP to S58 using an ionic gelation method. Then, the properties of the CS(S58)-NP including particle size, zeta potential, protection capacity, slow-release effect and cytotoxicity were studied. The targeting effect of the CS(S58)-NP was also studied. CS(S58)-NP at molar ratios of 20 and 30 showed high aptamer encapsulation efficiency, powerful aptamer protection, stable sustained-release ability and low cytotoxicity. FITC-labelled CS(S58)-NP could successfully bind to TβR II. As a result, TGF-β-induced cell proliferation and α-SMA expression were both inhibited. Furthermore, the CS(S58)-NP could inhibit TGF-β-induced α-SMA expression for a longer time than naked S58, even in serum. This research applied CS-NP as the aptamer carrier. The research results demonstrate that CS-NP are potentially able to preserve and prolong aptamer S58's efficacy. This study reveals that the use of CS-NP is promising for aptamer delivery and CS(S58)-NP can be a potential anti-scarring therapeutic approach after glaucoma filtration surgery.
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Affiliation(s)
- Xia Chen
- Department of Ophthalmology, Daping Hospital & Research Institute of Surgery, Third Military Medical University, Chongqing, China
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36
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Bruno JG. A review of therapeutic aptamer conjugates with emphasis on new approaches. Pharmaceuticals (Basel) 2013; 6:340-57. [PMID: 24276022 PMCID: PMC3816688 DOI: 10.3390/ph6030340] [Citation(s) in RCA: 82] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2013] [Revised: 03/09/2013] [Accepted: 03/11/2013] [Indexed: 12/14/2022] Open
Abstract
The potential to emulate or enhance antibodies with nucleic acid aptamers while lowering costs has prompted development of new aptamer-protein, siRNA, drug, and nanoparticle conjugates. Specific focal points of this review discuss DNA aptamers covalently bound at their 3' ends to various proteins for enhanced stability and greater pharmacokinetic lifetimes in vivo. The proteins can include Fc tails of IgG for opsonization, and the first component of complement (C1q) to trigger complement-mediated lysis of antibiotic-resistant Gram negative bacteria, cancer cells and possibly some parasites during vulnerable stages. In addition, the 3' protein adduct may be a biotoxin, enzyme, or may simply be human serum albumin (HSA) or a drug known to bind HSA, thereby retarding kidney and other organ clearance and inhibiting serum exonucleases. In this review, the author summarizes existing therapeutic aptamer conjugate categories and describes his patented concept for PCR-based amplification of double-stranded aptamers followed by covalent attachment of proteins or other agents to the chemically vulnerable overhanging 3' adenine added by Taq polymerase. PCR amplification of aptamers could dramatically lower the current $2,000/gram cost of parallel chemical oligonucleotide synthesis, thereby enabling mass production of aptamer-3'-protein or drug conjugates to better compete against expensive humanized monoclonal antibodies.
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Affiliation(s)
- John G Bruno
- Operational Technologies Corporation, 4100 NW Loop 410, Suite 230, San Antonio, TX 78229, USA.
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37
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Malhotra A, Zhang X, Turkson J, Santra S. Buffer-stable chitosan-polyglutamic acid hybrid nanoparticles for biomedical applications. Macromol Biosci 2013; 13:603-13. [PMID: 23460363 DOI: 10.1002/mabi.201200425] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2012] [Revised: 01/12/2013] [Indexed: 11/07/2022]
Abstract
In spite of their attractive features, widespread biomedical applications of CS nanoparticles are yet to be realized due to their poor stability in physiological conditions, such as in buffer system at pH 7.4. Buffer-stable chitosan-based hybrid NPs (HNPs) are reported and characterized. Buffer stability is achieved by introducing polyglutamic acid to chitosan. The effect of PGA to CS molar ratio and crosslinking on HNP integrity, buffer stability, and biodegradability are studied. Preliminary in vitro studies are carried out to evaluate targeted uptake efficiency of folate conjugated HNPs. Successful demonstration of buffer stability and cancer cell targeting by HNPs achieves important milestones for chitosan-based nanoparticle technology.
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Affiliation(s)
- Astha Malhotra
- NanoScience Technology Center, Department of Chemistry, University of Central Florida, 12424 Research Parkway, Suite 400, Orlando, Florida 32826, USA
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38
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Fischer CS, Baier MC, Mecking S. Enhanced brightness emission-tuned nanoparticles from heterodifunctional polyfluorene building blocks. J Am Chem Soc 2013; 135:1148-54. [PMID: 23272736 DOI: 10.1021/ja311497e] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Three-coordinate complexes (bromo)[4-(2,2-dimethyl-1,3-dioxolan-4-yl)-phenyl](tri-tert-butyl-phosphine)palladium (1) and (bromo){4-[(tetrahydro-2H-pyran-2-yloxy)methyl]phenyl}(tri-tert-butyl-phosphine)palladium (2) were used to initiate Suzuki-Miyaura chain growth polymerization of 7'-bromo-9',9'-dioctyl-fluoren-2'-yl-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane (3). The polymerization was optionally terminated by end-capping with red-emitting N-(2-ethylhexyl)-1,6-bis(4-tert-octylphenoxy)-9-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-perylene-3,4-dicarboximide. Heterodisubstituted polyfluorenes of adjustable molecular weights between 5 × 10(3) and 1.0 × 10(4) g mol(-1) and narrow molecular weight distribution (M(w)/M(n) < 1.2), bearing precisely one or two hydroxyl groups on one chain end and optionally a dye-label on the opposite end, were obtained virtually devoid of any side-products. Covalent attachment of polyethylene glycol (M(n) = 2 × 10(3) g mol(-1)) to the reactive end groups yielded amphiphilic block copolymer, which afforded stable nanoparticles with diameters in the range of 25-50 nm when dispersed in water. These particles exhibited a bright fluorescence emission with quantum yields as high as Φ = 84%, which could optionally be tuned to longer wavelengths by energy transfer to the perylene monoimide dye. The heterodifunctional nature of these polyfluorenes is crucial for a bright and enduring fluorescence brightness as revealed by comparison to nanoparticles containing physically mixed dye. Further addition of terrylene diimide dye to the nanoparticles of perylene-end-capped polyfluorene block copolymers allows for an energy cascade resulting in emission exclusively in the deep red and near-infrared regime.
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Affiliation(s)
- Christoph S Fischer
- Chair of Chemical Materials Science, Department of Chemistry, University of Konstanz, 78464 Konstanz, Germany
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39
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Chaturvedi K, Ganguly K, Kulkarni AR, Nadagouda MN, Stowbridge J, Rudzinski WE, Aminabhavi TM. Ultra-small fluorescent bile acid conjugated PHB–PEG block copolymeric nanoparticles: synthesis, characterization and cellular uptake. RSC Adv 2013. [DOI: 10.1039/c3ra22283g] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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40
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Zwicke GL, Mansoori GA, Jeffery CJ. Utilizing the folate receptor for active targeting of cancer nanotherapeutics. NANO REVIEWS 2012; 3:18496. [PMID: 23240070 PMCID: PMC3521101 DOI: 10.3402/nano.v3i0.18496] [Citation(s) in RCA: 287] [Impact Index Per Article: 23.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/06/2012] [Revised: 10/08/2012] [Accepted: 10/26/2012] [Indexed: 11/21/2022]
Abstract
The development of specialized nanoparticles for use in the detection and treatment of cancer is increasing. Methods are being proposed and tested that could target treatments more directly to cancer cells, which could lead to higher efficacy and reduced toxicity, possibly even eliminating the adverse effects of damage to the immune system and the loss of quick replicating cells. In this mini-review we focus on recent studies that employ folate nanoconjugates to target the folate receptor. Folate receptors are highly overexpressed on the surface of many tumor types. This expression can be exploited to target imaging molecules and therapeutic compounds directly to cancerous tissues.
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Affiliation(s)
- Grant L Zwicke
- Department of Biological Sciences, University of Illinois at Chicago, Chicago, IL, USA
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41
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Pujana MA, Pérez-Álvarez L, Cesteros Iturbe LC, Katime I. “Water dispersible pH-responsive chitosan nanogels modified with biocompatible crosslinking-agents”. POLYMER 2012. [DOI: 10.1016/j.polymer.2012.05.027] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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42
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Wang W, Jiang X, Chen K. Lanthanide-doped chitosan nanospheres as cell nuclei illuminator and fluorescent nonviral vector for plasmid DNA delivery. Dalton Trans 2011; 41:490-7. [PMID: 22042253 DOI: 10.1039/c1dt11200g] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Lanthanide-doped chitosan nanospheres (LDCNs) and lanthanide-Fe(3)O(4)-doped chitosan nanospheres (Fe(3)O(4)-LDCNs) are fabricated and show fluorescence, MRI effectiveness and desirable biocompatibility. Superior to most nanoparticles that were found retained in cytoplasmic organelles rather than the nucleus, the prepared chitosan nanospheres preferentially enter and illuminate the cell nuclei. Complexation of plasmid DNA (pDNA) to the nanospheres was accomplished via electrostatic forces between positively charged chitosan and negatively charged pDNA. Satisfactory results of the complexation indicate that the prepared chitosan nanospheres can serve as a potential fluorescent nonviral vector for pDNA delivery that can fulfill gene delivery and transfer efficiency assessment simultaneously, without an additional step of tagging fluorophores to the vectors carried out in fabrications of currently available pDNA delivery vectors.
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Affiliation(s)
- Wei Wang
- Lab of Functional and Biomedical Nanomaterials, College of Materials Science and Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China.
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43
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Santra S, Malhotra A. Fluorescent nanoparticle probes for imaging of cancer. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2011; 3:501-510. [PMID: 21480546 DOI: 10.1002/wnan.134] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Fluorescent nanoparticles (FNPs) have received immense popularity in cancer imaging in recent years because of their attractive optical properties. In comparison to traditional organic-based fluorescent dyes and fluorescent proteins, FNPs offer much improved sensitivity and photostability. FNPs in certain size range have a strong tendency to enter and retain in solid tumor tissue with abnormal (leaky) vasculature--a phenomenon known as Enhanced Permeation and Retention (EPR) effect, advancing their use for in vivo tumor imaging. Furthermore, large surface area of FNPs and their usual core-shell structure offer a platform for designing and fabricating multimodal/multifunctional nanoparticles (MMNPs). For effective cancer imaging, often the optical imaging modality is integrated with other nonoptical-based imaging modalities such as MRI, X-ray, and PET, thus creating multimodal nanoparticle (NP)-based imaging probes. Such multimodal NP probes can be further integrated with therapeutic drug as well as cancer targeting agent leading to multifunctional NPs. Biocompatibility of FNPs is an important criterion that must be seriously considered during FNP design. NP composition, size, and surface chemistry must be carefully selected to minimize potential toxicological consequences both in vitro and in vivo. In this article, we will mainly focus on three different types of FNPs: dye-loaded NPs, quantum dots (Qdots), and phosphores; briefly highlighting their potential use in translational research.
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Affiliation(s)
- Swadeshmukul Santra
- Department of Chemistry, NanoScience Technology Center, University of Central Florida, Orlando, FL, USA
| | - Astha Malhotra
- Department of Chemistry, NanoScience Technology Center, University of Central Florida, Orlando, FL, USA
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44
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Garcia-Bennett A, Nees M, Fadeel B. In search of the Holy Grail: Folate-targeted nanoparticles for cancer therapy. Biochem Pharmacol 2011; 81:976-84. [DOI: 10.1016/j.bcp.2011.01.023] [Citation(s) in RCA: 95] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2010] [Revised: 01/29/2011] [Accepted: 01/31/2011] [Indexed: 12/28/2022]
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45
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López-Colón D, Jiménez E, You M, Gulbakan B, Tan W. Aptamers: turning the spotlight on cells. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2011; 3:328-40. [PMID: 21412992 DOI: 10.1002/wnan.133] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
This article is a review of the development and application of aptamer probes for cell imaging. Aptamers selected against whole cells have been modified with different fluorescent dyes and nanomaterials, such as gold nanoparticles, quantum dots, and superparamagnetic iron oxide, for their use as imaging probes of live cells. These probes have been successfully used for cell imaging both in vitro and in vivo by optical imaging, magnetic resonance imaging (MRI), computed tomography (CT), and positron-emission tomography (PET). In this article, we discuss the development of different aptamer-based probes currently available for imaging of live cells and their applications in the biomedical field.
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Affiliation(s)
- Dalia López-Colón
- Department of Chemistry, University of Florida, Gainesville, FL, USA
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46
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Baptista PV, Doria G, Quaresma P, Cavadas M, Neves CS, Gomes I, Eaton P, Pereira E, Franco R. Nanoparticles in molecular diagnostics. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2011; 104:427-88. [PMID: 22093226 DOI: 10.1016/b978-0-12-416020-0.00011-5] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The aim of this chapter is to provide an overview of the available and emerging molecular diagnostic methods that take advantage of the unique nanoscale properties of nanoparticles (NPs) to increase the sensitivity, detection capabilities, ease of operation, and portability of the biodetection assemblies. The focus will be on noble metal NPs, especially gold NPs, fluorescent NPs, especially quantum dots, and magnetic NPs, the three main players in the development of probes for biological sensing. The chapter is divided into four sections: a first section covering the unique physicochemical properties of NPs of relevance for their utilization in molecular diagnostics; the second section dedicated to applications of NPs in molecular diagnostics by nucleic acid detection; and the third section with major applications of NPs in the area of immunoassays. Finally, a concluding section highlights the most promising advances in the area and presents future perspectives.
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Affiliation(s)
- Pedro V Baptista
- Departamento de Ciências da Vida, Faculdade de Ciências e Tecnologia, Centro de Investigação em Genética Molecular Humana (CIGMH), Universidade Nova de Lisboa, Caparica, Portugal
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47
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Pecher J, Huber J, Winterhalder M, Zumbusch A, Mecking S. Tailor-Made Conjugated Polymer Nanoparticles for Multicolor and Multiphoton Cell Imaging. Biomacromolecules 2010; 11:2776-80. [DOI: 10.1021/bm100854a] [Citation(s) in RCA: 88] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Johannes Pecher
- University of Konstanz, Department of Chemistry, Universitätsstrasse 10, D-78457 Konstanz, Germany
| | - Johannes Huber
- University of Konstanz, Department of Chemistry, Universitätsstrasse 10, D-78457 Konstanz, Germany
| | - Martin Winterhalder
- University of Konstanz, Department of Chemistry, Universitätsstrasse 10, D-78457 Konstanz, Germany
| | - Andreas Zumbusch
- University of Konstanz, Department of Chemistry, Universitätsstrasse 10, D-78457 Konstanz, Germany
| | - Stefan Mecking
- University of Konstanz, Department of Chemistry, Universitätsstrasse 10, D-78457 Konstanz, Germany
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