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Aparicio-Blanco J, Pucci C, De Pasquale D, Marino A, Debellis D, Ciofani G. Development and characterization of lipid nanocapsules loaded with iron oxide nanoparticles for magnetic targeting to the blood-brain barrier. Drug Deliv Transl Res 2024:10.1007/s13346-024-01587-w. [PMID: 38739319 DOI: 10.1007/s13346-024-01587-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/25/2024] [Indexed: 05/14/2024]
Abstract
Brain drug delivery is severely hindered by the presence of the blood-brain barrier (BBB). Its functionality relies on the interactions of the brain endothelial cells with additional cellular constituents, including pericytes, astrocytes, neurons, or microglia. To boost brain drug delivery, nanomedicines have been designed to exploit distinct delivery strategies, including magnetically driven nanocarriers as a form of external physical targeting to the BBB. Herein, a lipid-based magnetic nanocarrier prepared by a low-energy method is first described. Magnetic nanocapsules with a hydrodynamic diameter of 256.7 ± 8.5 nm (polydispersity index: 0.089 ± 0.034) and a ξ-potential of -30.4 ± 0.3 mV were obtained. Transmission electron microscopy-energy dispersive X-ray spectroscopy analysis revealed efficient encapsulation of iron oxide nanoparticles within the oily core of the nanocapsules. Both thermogravimetric analysis and phenanthroline-based colorimetric assay showed that the iron oxide percentage in the final formulation was 12 wt.%, in agreement with vibrating sample magnetometry analysis, as the specific saturation magnetization of the magnetic nanocapsules was 12% that of the bare iron oxide nanoparticles. Magnetic nanocapsules were non-toxic in the range of 50-300 μg/mL over 72 h against both the human cerebral endothelial hCMEC/D3 and Human Brain Vascular Pericytes cell lines. Interestingly, higher uptake of magnetic nanocapsules in both cell types was evidenced in the presence of an external magnetic field than in the absence of it after 24 h. This increase in nanocapsules uptake was also evidenced in pericytes after only 3 h. Altogether, these results highlight the potential for magnetic targeting to the BBB of our formulation.
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Affiliation(s)
- Juan Aparicio-Blanco
- Department of Pharmaceutics and Food Technology, Faculty of Pharmacy, Complutense University of Madrid, Plaza Ramón y Cajal, 28040, Madrid, Spain.
- Smart Bio- Interfaces, Istituto Italiano di Tecnologia, Viale Rinaldo Piaggio 34, 56025, Pontedera, Italy.
- Institute of Industrial Pharmacy, Complutense University of Madrid, Madrid, Spain.
| | - Carlotta Pucci
- Smart Bio- Interfaces, Istituto Italiano di Tecnologia, Viale Rinaldo Piaggio 34, 56025, Pontedera, Italy
| | - Daniele De Pasquale
- Smart Bio- Interfaces, Istituto Italiano di Tecnologia, Viale Rinaldo Piaggio 34, 56025, Pontedera, Italy
| | - Attilio Marino
- Smart Bio- Interfaces, Istituto Italiano di Tecnologia, Viale Rinaldo Piaggio 34, 56025, Pontedera, Italy
| | - Doriana Debellis
- Electron Microscopy Facility, Istituto Italiano di Tecnologia, Via Morego 30, 16163, Genova, Italy
| | - Gianni Ciofani
- Smart Bio- Interfaces, Istituto Italiano di Tecnologia, Viale Rinaldo Piaggio 34, 56025, Pontedera, Italy.
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Villar-Alvarez E, Golán-Cancela I, Pardo A, Velasco B, Fernández-Vega J, Cambón A, Al-Modlej A, Topete A, Barbosa S, Costoya JA, Taboada P. Inhibiting HER3 Hyperphosphorylation in HER2-Overexpressing Breast Cancer through Multimodal Therapy with Branched Gold Nanoshells. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2303934. [PMID: 37632323 DOI: 10.1002/smll.202303934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 07/06/2023] [Indexed: 08/27/2023]
Abstract
Treatment failure in breast cancers overexpressing human epidermal growth factor receptor 2 (HER2) is associated mainly to the upregulation of human epidermal growth factor receptor 3 (HER3) oncoprotein linked to chemoresitence. Therefore, to increase patient survival, here a multimodal theranostic nanoplatform targeting both HER2 and HER3 is developed. This consists of doxorubicin-loaded branched gold nanoshells functionalized with the near-infrared (NIR) fluorescent dye indocyanine green, a small interfering RNA (siRNA) against HER3, and the HER2-specific antibody Transtuzumab, able to provide a combined therapeutic outcome (chemo- and photothermal activities, RNA silencing, and immune response). In vitro assays in HER2+ /HER3+ SKBR-3 breast cancer cells have shown an effective silencing of HER3 by the released siRNA and an inhibition of HER2 oncoproteins provided by Trastuzumab, along with a decrease of the serine/threonine protein kinase Akt (p-AKT) typically associated with cell survival and proliferation, which helps to overcome doxorubicin chemoresistance. Conversely, adding the NIR light therapy, an increment in p-AKT concentration is observed, although HER2/HER3 inhibitions are maintained for 72 h. Finally, in vivo studies in a tumor-bearing mice model display a significant progressively decrease of the tumor volume after nanoparticle administration and subsequent NIR light irradiation, confirming the potential efficacy of the hybrid nanocarrier.
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Affiliation(s)
- Eva Villar-Alvarez
- Grupo de Física de Coloides y Polímeros, Departamento de Física de la Materia Condensada, Universidad de Santiago de Compostela, Instituto de Investigación Sanitaria de Santiago de Compostela IDIS, e Instituto de Materiales (IMATUS), Santiago de Compostela, 15782, Spain
| | - Irene Golán-Cancela
- Molecular Oncology Laboratory MOL, Departamento de Fisioloxía, Centro Singular de Investigación en Medicina Molecular e Enfermidades Crónicas (CIMUS), Facultad de Medicina, Universidad de Santiago de Compostela, Instituto de Investigación Sanitaria de Santiago de Compostela IDIS, Santiago de Compostela, 15782, Spain
| | - Alberto Pardo
- Grupo de Física de Coloides y Polímeros, Departamento de Física de la Materia Condensada, Universidad de Santiago de Compostela, Instituto de Investigación Sanitaria de Santiago de Compostela IDIS, e Instituto de Materiales (IMATUS), Santiago de Compostela, 15782, Spain
| | - Brenda Velasco
- Grupo de Física de Coloides y Polímeros, Departamento de Física de la Materia Condensada, Universidad de Santiago de Compostela, Instituto de Investigación Sanitaria de Santiago de Compostela IDIS, e Instituto de Materiales (IMATUS), Santiago de Compostela, 15782, Spain
| | - Javier Fernández-Vega
- Grupo de Física de Coloides y Polímeros, Departamento de Física de la Materia Condensada, Universidad de Santiago de Compostela, Instituto de Investigación Sanitaria de Santiago de Compostela IDIS, e Instituto de Materiales (IMATUS), Santiago de Compostela, 15782, Spain
| | - Adriana Cambón
- Grupo de Física de Coloides y Polímeros, Departamento de Física de la Materia Condensada, Universidad de Santiago de Compostela, Instituto de Investigación Sanitaria de Santiago de Compostela IDIS, e Instituto de Materiales (IMATUS), Santiago de Compostela, 15782, Spain
| | - Abeer Al-Modlej
- Department of Physics and Astronomy, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Antonio Topete
- Laboratorio de Inmunología, Departamento de Fisiología, Centro Universitario de Ciencias de la Salud (CUCS), Universidad de Guadalajara, Guadalajara, 44340, Mexico
| | - Silvia Barbosa
- Grupo de Física de Coloides y Polímeros, Departamento de Física de la Materia Condensada, Universidad de Santiago de Compostela, Instituto de Investigación Sanitaria de Santiago de Compostela IDIS, e Instituto de Materiales (IMATUS), Santiago de Compostela, 15782, Spain
| | - José A Costoya
- Molecular Oncology Laboratory MOL, Departamento de Fisioloxía, Centro Singular de Investigación en Medicina Molecular e Enfermidades Crónicas (CIMUS), Facultad de Medicina, Universidad de Santiago de Compostela, Instituto de Investigación Sanitaria de Santiago de Compostela IDIS, Santiago de Compostela, 15782, Spain
| | - Pablo Taboada
- Grupo de Física de Coloides y Polímeros, Departamento de Física de la Materia Condensada, Universidad de Santiago de Compostela, Instituto de Investigación Sanitaria de Santiago de Compostela IDIS, e Instituto de Materiales (IMATUS), Santiago de Compostela, 15782, Spain
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de Freitas CF, de Araújo Santos J, Pellosi DS, Caetano W, Batistela VR, Muniz EC. Recent advances of Pluronic-based copolymers functionalization in biomedical applications. BIOMATERIALS ADVANCES 2023; 151:213484. [PMID: 37276691 DOI: 10.1016/j.bioadv.2023.213484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 05/22/2023] [Accepted: 05/25/2023] [Indexed: 06/07/2023]
Abstract
The design of polymeric biocompatible nanomaterials for biological and medical applications has received special attention in recent years. Among different polymers, the triblock type copolymers (EO)x(PO)y(EO)x or Pluronics® stand out due its favorable characteristics such as biocompatibility, low tissue adhesion, thermosensitivity, and structural capacity to produce different types of macro and nanostructures, e.g. micelles, vesicles, nanocapsules, nanospheres, and hydrogels. However, Pluronic itself is not the "magic bullet" and its functionalization via chemical synthesis following biologically oriented design rules is usually required aiming to improve its properties. Therefore, this paper presents some of the main publications on new methodologies for synthetic modifications and applications of Pluronic-based nanoconstructs in the biomedical field in the last 15 years. In general, the polymer modifications aim to improve physical-chemical properties related to the micellization process or physical entrapment of drug cargo, responsive stimuli, active targeting, thermosensitivity, gelling ability, and hydrogel formation. Among these applications, it can be highlighted the treatment of malignant neoplasms, infectious diseases, wound healing, cellular regeneration, and tissue engineering. Functionalized Pluronic has also been used for various purposes, including medical diagnosis, medical imaging, and even miniaturization, such as the creation of lab-on-a-chip devices. In this context, this review discusses the main scientific contributions to the designing, optimization, and improvement of covalently functionalized Pluronics aiming at new strategies focused on the multiple areas of the biomedical field.
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Affiliation(s)
- Camila Fabiano de Freitas
- Department of Chemistry, Federal University of Santa Catarina - UFSC, Eng. Agronômico Andrei Cristian Ferreira, s/n, Trindade, 88040-900 Florianópolis, Santa Catarina, Brazil.
| | - Jailson de Araújo Santos
- PhD Program in Materials Science and Engineering, Federal University of Piauí, Campus Petrônio Portela, Ininga, Teresina CEP 64049-550, Piauí, Brazil
| | - Diogo Silva Pellosi
- Laboratory of Hybrid Materials, Department of Chemistry, Federal University of São Paulo, Diadema, Brazil
| | - Wilker Caetano
- Department of Chemistry, State University of Maringá, 5790 Colombo Avenue, 87020-900 Maringá, Paraná, Brazil
| | - Vagner Roberto Batistela
- Department of Pharmacology and Therapeutics, State University of Maringá, 5790 Colombo Avenue, 87020-900 Maringá, Paraná, Brazil
| | - Edvani Curti Muniz
- Department of Chemistry, State University of Maringá, 5790 Colombo Avenue, 87020-900 Maringá, Paraná, Brazil; Department of Chemistry, Federal University of Piauí, Campus Petronio Portella, Ininga, Teresina CEP 64049-550, Piauí, Brazil.
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Leal BH, Velasco B, Cambón A, Pardo A, Fernandez-Vega J, Arellano L, Al-Modlej A, Mosquera VX, Bouzas A, Prieto G, Barbosa S, Taboada P. Combined Therapeutics for Atherosclerosis Treatment Using Polymeric Nanovectors. Pharmaceutics 2022; 14:pharmaceutics14020258. [PMID: 35213991 PMCID: PMC8879452 DOI: 10.3390/pharmaceutics14020258] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 01/11/2022] [Accepted: 01/17/2022] [Indexed: 01/27/2023] Open
Abstract
Atherosclerosis is an underlying risk factor in cardiovascular diseases (CVDs). The combination of drugs with microRNAs (miRNA) inside a single nanocarrier has emerged as a promising anti-atherosclerosis strategy to achieve the exploitation of their complementary mechanisms of action to achieve synergistic therapeutic effects while avoiding some of the drawbacks associated with current systemic statin therapies. We report the development of nanometer-sized polymeric PLGA nanoparticles (NPs) capable of simultaneously encapsulating and delivering miRNA-124a and the statin atorvastatin (ATOR). The polymeric NPs were functionalized with an antibody able to bind to the vascular adhesion molecule-1 (VCAM1) overexpressed in the inflamed arterial endothelium. The dual-loaded NPs were non-toxic to cells in a large range of concentrations, successfully attached overexpressed VCAM receptors and released the cargoes in a sustainable manner inside cells. The combination of both ATOR and miRNA drastically reduced the levels of proinflammatory cytokines such as IL-6 and TNF-α and of reactive oxygen species (ROS) in LPS-activated macrophages and vessel endothelial cells. In addition, dual-loaded NPs precluded the accumulation of low-density lipoproteins (LdL) inside macrophages as well as morphology changes to a greater extent than in single-loaded NPs. The reported findings validate the present NPs as suitable delivery vectors capable of simultaneously targeting inflamed cells in atherosclerosis and providing an efficient approach to combination nanomedicines.
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Affiliation(s)
- Baltazar Hiram Leal
- Colloids and Polymers Physics Group, Department of Particle Physics, Faculty of Physics and Health Research Institute, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain; (B.H.L.); (B.V.); (A.P.); (J.F.-V.); (L.A.)
| | - Brenda Velasco
- Colloids and Polymers Physics Group, Department of Particle Physics, Faculty of Physics and Health Research Institute, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain; (B.H.L.); (B.V.); (A.P.); (J.F.-V.); (L.A.)
- Institute of Materials, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain;
| | - Adriana Cambón
- Colloids and Polymers Physics Group, Department of Particle Physics, Faculty of Physics and Health Research Institute, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain; (B.H.L.); (B.V.); (A.P.); (J.F.-V.); (L.A.)
- Institute of Materials, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain;
- Correspondence: (A.C.); (S.B.); (P.T.); Tel.: +34-881814056 (A.C.); +34-881814115 (S.B.); +34-881814111 (P.T.)
| | - Alberto Pardo
- Colloids and Polymers Physics Group, Department of Particle Physics, Faculty of Physics and Health Research Institute, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain; (B.H.L.); (B.V.); (A.P.); (J.F.-V.); (L.A.)
- Institute of Materials, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain;
| | - Javier Fernandez-Vega
- Colloids and Polymers Physics Group, Department of Particle Physics, Faculty of Physics and Health Research Institute, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain; (B.H.L.); (B.V.); (A.P.); (J.F.-V.); (L.A.)
- Institute of Materials, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain;
| | - Lilia Arellano
- Colloids and Polymers Physics Group, Department of Particle Physics, Faculty of Physics and Health Research Institute, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain; (B.H.L.); (B.V.); (A.P.); (J.F.-V.); (L.A.)
- Institute of Materials, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain;
| | - Abeer Al-Modlej
- Department of Physics and Astronomy, College of Science, King Saud University, Riyadh 11451, Saudi Arabia;
| | - Víctor X. Mosquera
- Cardiac Surgery Department, University Hospital of A Coruña, Biomedical Research Institute of A Coruña (INIBIC), 15006 A Coruña, Spain; (V.X.M.); (A.B.)
| | - Alberto Bouzas
- Cardiac Surgery Department, University Hospital of A Coruña, Biomedical Research Institute of A Coruña (INIBIC), 15006 A Coruña, Spain; (V.X.M.); (A.B.)
| | - Gerardo Prieto
- Institute of Materials, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain;
- Biophysics and Interfaces Group, Department of Applied Physics, Faculty of Physics, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Silvia Barbosa
- Colloids and Polymers Physics Group, Department of Particle Physics, Faculty of Physics and Health Research Institute, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain; (B.H.L.); (B.V.); (A.P.); (J.F.-V.); (L.A.)
- Institute of Materials, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain;
- Correspondence: (A.C.); (S.B.); (P.T.); Tel.: +34-881814056 (A.C.); +34-881814115 (S.B.); +34-881814111 (P.T.)
| | - Pablo Taboada
- Colloids and Polymers Physics Group, Department of Particle Physics, Faculty of Physics and Health Research Institute, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain; (B.H.L.); (B.V.); (A.P.); (J.F.-V.); (L.A.)
- Institute of Materials, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain;
- Correspondence: (A.C.); (S.B.); (P.T.); Tel.: +34-881814056 (A.C.); +34-881814115 (S.B.); +34-881814111 (P.T.)
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Khodadust R, Unal O, Yagci Acar H. Theranostic potential of self-luminescent branched polyethyleneimine-coated superparamagnetic iron oxide nanoparticles. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2022; 13:82-95. [PMID: 35116215 PMCID: PMC8787352 DOI: 10.3762/bjnano.13.6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/13/2021] [Accepted: 12/29/2021] [Indexed: 06/14/2023]
Abstract
Polyethylenimine (PEI), which is frequently used for polyplex formation and effective gene transfection, is rarely recognized as a luminescent polymer. Therefore, it is usually tagged with an organic fluorophore to be optically tracked. Recently, we developed branched PEI (bPEI) superparamagnetic iron oxide nanoparticles (SPION@bPEI) with blue luminescence 1200 times stronger than that of bPEI without a traditional fluorophore, due to partial PEI oxidation during the synthesis. Here, we demonstrate in vitro dye-free optical imaging and successful gene transfection with luminescent SPION@bPEI, which was further modified for receptor-mediated delivery of the cargo selectively to cancer cell lines overexpressing the epidermal growth factor receptor (EGFR). Pro-apoptotic polyinosinic-polycytidylic acid sodium (PIC) was delivered to HeLa cells with SPION@bPEI and caused a dramatic reduction in the cell viability at otherwise non-toxic nanoparticle concentrations, proving that bPEI coating is still an effective component for the delivery of an anionic cargo. Besides, a strong intracellular optical signal supports the optically traceable nature of these nanoparticles. SPION@bPEI nanoparticles were further conjugated with Erbitux (Erb), which is an anti-EGFR antibody for targeting EGFR-overexpressing cancer cell lines. SPION@bPEI-Erb was used for the delivery of a GFP plasmid wherein the transfection was confirmed by the luminescence of the expressed gene within the transfected cells. Poor GFP expression in MCF7, a slightly better expression in HeLa, and a significant enhancement in the transfection of HCT116 cells proved a selective uptake and hence the targeting ability of Erb-tagged nanoparticles. Altogether, this study proves luminescent, cationic, and small SPION@bPEI nanoparticles as strong candidates for imaging and gene therapy.
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Affiliation(s)
- Rouhollah Khodadust
- Koc University, Department of Chemistry, Surface Science and Technology Center (KUYTAM), Rumelifeneri Yolu, Sariyer, Istanbul, Turkey
- University of Health Science, Health Science Institute, Department of Biotechnology Selimiye Mahallesi, Tıbbiye, Uskudar, Istanbul, Turkey
| | - Ozlem Unal
- Koc University, Graduate School of Materials Science and Engineering, Rumelifeneri Yolu, Sariyer, Istanbul, Turkey
| | - Havva Yagci Acar
- Koc University, Department of Chemistry, Surface Science and Technology Center (KUYTAM), Rumelifeneri Yolu, Sariyer, Istanbul, Turkey
- Koc University, Graduate School of Materials Science and Engineering, Rumelifeneri Yolu, Sariyer, Istanbul, Turkey
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Singla P, Garg S, McClements J, Jamieson O, Peeters M, Mahajan RK. Advances in the therapeutic delivery and applications of functionalized Pluronics: A critical review. Adv Colloid Interface Sci 2022; 299:102563. [PMID: 34826745 DOI: 10.1016/j.cis.2021.102563] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 10/15/2021] [Accepted: 11/13/2021] [Indexed: 12/22/2022]
Abstract
Pluronic (PEO-PPO-PEO) block copolymers can form nano-sized micelles with a structure composed of a hydrophobic PPO core and hydrophilic PEO shell layer. Pluronics are U.S. Food and Drug Administration approved polymers, which are widely used for solubilization of drugs and their delivery, gene/therapeutic delivery, diagnostics, and tissue engineering applications due to their non-ionic properties, non-toxicity, micelle forming ability, excellent biocompatibility and biodegradability. Although Pluronics have been employed as drug carrier systems for several decades, numerous issues such as rapid dissolution, shorter residence time in biological media, fast clearance and weak mechanical strength have hindered their efficacy. Pluronics have been functionalized with pH-sensitive, biological-responsive moieties, antibodies, aptamers, folic acid, drugs, different nanoparticles, and photo/thermo-responsive hydrogels. These functionalization strategies enable Pluronics to act as stimuli responsive and targeted drug delivery vehicles. Moreover, Pluronics have emerged in nano-emulsion formulations and have been utilized to improve the properties of cubosomes, dendrimers and nano-sheets, including their biocompatibility and aqueous solubility. Functionalization of Pluronics results in the significant improvement of target specificity, loading capacity, biocompatibility of nanoparticles and stimuli responsive hydrogels for the promising delivery of a range of drugs. Therefore, this review presents an overview of all advancements (from the last 15 years) in functionalized Pluronics, providing a valuable tool for industry and academia in order to optimize their use in drug or therapeutic delivery, in addition to several other biomedical applications.
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Affiliation(s)
- Pankaj Singla
- School of Engineering, Merz Court, Claremont Road, Newcastle University, Newcastle Upon Tyne NE1 7RU, United Kingdom
| | - Saweta Garg
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar 143005, India
| | - Jake McClements
- School of Engineering, Merz Court, Claremont Road, Newcastle University, Newcastle Upon Tyne NE1 7RU, United Kingdom
| | - Oliver Jamieson
- School of Engineering, Merz Court, Claremont Road, Newcastle University, Newcastle Upon Tyne NE1 7RU, United Kingdom
| | - Marloes Peeters
- School of Engineering, Merz Court, Claremont Road, Newcastle University, Newcastle Upon Tyne NE1 7RU, United Kingdom.
| | - Rakesh Kumar Mahajan
- Department of Chemistry, UGC-Centre for Advanced Studies-I, Guru Nanak Dev University, Amritsar 143005, India.
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Optimizing the Efficiency of a Cytocompatible Carbon-Dots-Based FRET Platform and Its Application as a Riboflavin Sensor in Beverages. NANOMATERIALS 2021; 11:nano11081981. [PMID: 34443812 PMCID: PMC8399497 DOI: 10.3390/nano11081981] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/13/2021] [Revised: 07/17/2021] [Accepted: 07/20/2021] [Indexed: 12/19/2022]
Abstract
In this work, the Förster resonance energy transfer (FRET) between carbon dots (CDs) as energy donors and riboflavin (RF) as an energy acceptor was optimized and the main parameters that characterize the FRET process were determined. The results were successfully applied in the development of an ultrasensitive ratiometric fluorescent sensor for the selective and sensitive determination of RF in different beverages. Water-soluble CDs with a high quantum yield (54%) were synthesized by a facile and direct microwave-assisted technique. The CDs were characterized by transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FTIR), dynamic light scattering (DLS), Zeta potential, and UV-visible and molecular fluorescence spectroscopy. The study of the FRET process at two donor concentrations showed that the energy transfer efficiency decreases as the donor concentration increases, confirming its dependence on the acceptor:donor ratio in nanoparticle-based systems. The results show the importance of optimizing the FRET process conditions to improve the corresponding output signal. The variation in the ratiometric signal with the concentration of RF showed linearity in a concentration range of 0 to 11 µM with R2 = 0.9973 and a detection limit of 0.025 µM. The developed nanosensor showed good selectivity over other possible types of interference. The sensor was then applied for the determination of RF in beverage samples using the standard addition method with recoveries between 96% and 106%. Preliminary cytocompatibility tests carried out with breast cancer cells (MDA-MB-231) revealed the nanosensor to be cytocompatible in its working concentration regime, even after long incubation times with cells. Altogether, the developed RF determination method was found to be fast, low-cost, highly sensitive, and selective and can be extended to other samples of interest in the biological and food sectors. Moreover, thanks to its long-lasting cytocompatibility, the developed platform can also be envisaged for other applications of biological interest, such as intracellular sensing and staining for live cell microscopy.
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Sánchez-Ramírez DR, Domínguez-Ríos R, Juárez J, Valdés M, Hassan N, Quintero-Ramos A, Del Toro-Arreola A, Barbosa S, Taboada P, Topete A, Daneri-Navarro A. Biodegradable photoresponsive nanoparticles for chemo-, photothermal- and photodynamic therapy of ovarian cancer. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 116:111196. [PMID: 32806317 DOI: 10.1016/j.msec.2020.111196] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 05/19/2020] [Accepted: 06/16/2020] [Indexed: 12/20/2022]
Abstract
Ovarian cancer (OC) is the deadliest gynecological cancer. Standard treatment of OC is based on cytoreductive surgery followed by chemotherapy with platinum drugs and taxanes; however, innate and acquired drug-resistance is frequently observed followed by a relapse after treatment, thus, more efficient therapeutic approaches are required. Combination therapies involving phototherapies and chemotherapy (the so-called chemophototherapy) may have enhanced efficacy against cancer, by attacking cancer cells through different mechanisms, including DNA-damage and thermally driven cell membrane and cytoskeleton damage. We have designed and synthesized poly(lactic-co-glycolic) nanoparticles (PLGA NPs) containing the chemo-drug carboplatin (CP), and the near infrared (NIR) photosensitizer indocyanine green (ICG). We have evaluated the drug release profile, the photodynamic ROS generation and photothermal capacities of the NPs. Also, the antitumoral efficiency of the NPs was evaluated using the SKOV-3 cell line as an in vitro OC model, observing an enhanced cytotoxic effect when irradiating cells with an 800 nm laser. Evidence here shown supports the potential application of the biodegradable photoresponsive NPs in the clinical stage due to the biocompatibility of the materials used, the spatiotemporal control of the therapy and, also, the less likely development of resistance against the combinatorial therapy.
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Affiliation(s)
- Dante R Sánchez-Ramírez
- Laboratorio de Inmunología, Departamento de Fisiología, Centro Universitario de Ciencias de la Salud (CUCS), Universidad de Guadalajara, Guadalajara 44340, Mexico
| | - Rossina Domínguez-Ríos
- Laboratorio de Inmunología, Departamento de Fisiología, Centro Universitario de Ciencias de la Salud (CUCS), Universidad de Guadalajara, Guadalajara 44340, Mexico
| | - Josué Juárez
- Departamento de Física, Universidad de Sonora, Unidad Centro, Hermosillo, Sonora 83000, Mexico
| | - Miguel Valdés
- Departamento de Física, Universidad de Sonora, Unidad Centro, Hermosillo, Sonora 83000, Mexico
| | - Natalia Hassan
- Programa Institucional de Fomento a la I+D+i, Universidad Tecnológica Metropolitana, San Joaquín 2409, Chile
| | - Antonio Quintero-Ramos
- Laboratorio de Inmunología, Departamento de Fisiología, Centro Universitario de Ciencias de la Salud (CUCS), Universidad de Guadalajara, Guadalajara 44340, Mexico
| | - Alicia Del Toro-Arreola
- Laboratorio de Inmunología, Departamento de Fisiología, Centro Universitario de Ciencias de la Salud (CUCS), Universidad de Guadalajara, Guadalajara 44340, Mexico
| | - Silvia Barbosa
- Departamento de Física de Partículas, Instituto de Investigaciones Sanitarias (IDIS) y Agrupación Estratégica de Materiales, Universidad de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Pablo Taboada
- Departamento de Física de Partículas, Instituto de Investigaciones Sanitarias (IDIS) y Agrupación Estratégica de Materiales, Universidad de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Antonio Topete
- Laboratorio de Inmunología, Departamento de Fisiología, Centro Universitario de Ciencias de la Salud (CUCS), Universidad de Guadalajara, Guadalajara 44340, Mexico.
| | - Adrián Daneri-Navarro
- Laboratorio de Inmunología, Departamento de Fisiología, Centro Universitario de Ciencias de la Salud (CUCS), Universidad de Guadalajara, Guadalajara 44340, Mexico.
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9
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Villar-Alvarez E, Cambón A, Pardo A, Arellano L, Marcos AV, Pelaz B, Del Pino P, Bouzas Mosquera A, Mosquera VX, Almodlej A, Prieto G, Barbosa S, Taboada P. Combination of light-driven co-delivery of chemodrugs and plasmonic-induced heat for cancer therapeutics using hybrid protein nanocapsules. J Nanobiotechnology 2019; 17:106. [PMID: 31615570 PMCID: PMC6794818 DOI: 10.1186/s12951-019-0538-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Accepted: 09/24/2019] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Improving the water solubility of hydrophobic drugs, increasing their accumulation in tumor tissue and allowing their simultaneous action by different pathways are essential issues for a successful chemotherapeutic activity in cancer treatment. Considering potential clinical application in the future, it will be promising to achieve such purposes by developing new biocompatible hybrid nanocarriers with multimodal therapeutic activity. RESULTS We designed and characterised a hybrid nanocarrier based on human serum albumin/chitosan nanoparticles (HSA/chitosan NPs) able to encapsulate free docetaxel (DTX) and doxorubicin-modified gold nanorods (DOXO-GNRs) to simultaneously exploit the complementary chemotherapeutic activities of both antineoplasic compounds together with the plasmonic optical properties of the embedded GNRs for plasmonic-based photothermal therapy (PPTT). DOXO was assembled onto GNR surfaces following a layer-by-layer (LbL) coating strategy, which allowed to partially control its release quasi-independently release regarding DTX under the use of near infrared (NIR)-light laser stimulation of GNRs. In vitro cytotoxicity experiments using triple negative breast MDA-MB-231 cancer cells showed that the developed dual drug encapsulation approach produces a strong synergistic toxic effect to tumoral cells compared to the administration of the combined free drugs; additionally, PPTT enhances the cytostatic efficacy allowing cell toxicities close to 90% after a single low irradiation dose and keeping apoptosis as the main cell death mechanism. CONCLUSIONS This work demonstrates that by means of a rational design, a single hybrid nanoconstruct can simultaneously supply complementary therapeutic strategies to treat tumors and, in particular, metastatic breast cancers with good results making use of its stimuli-responsiveness as well as its inherent physico-chemical properties.
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Affiliation(s)
- E Villar-Alvarez
- Grupo de Física de Coloides y Polímeros, Departamento de Física de la Materia Condensada, Universidad de Santiago de Compostela, 15782, Santiago de Compostela, Spain.
| | - A Cambón
- Grupo de Física de Coloides y Polímeros, Departamento de Física de la Materia Condensada, Universidad de Santiago de Compostela, 15782, Santiago de Compostela, Spain
| | - A Pardo
- Grupo de Física de Coloides y Polímeros, Departamento de Física de la Materia Condensada, Universidad de Santiago de Compostela, 15782, Santiago de Compostela, Spain
| | - L Arellano
- Grupo de Física de Coloides y Polímeros, Departamento de Física de la Materia Condensada, Universidad de Santiago de Compostela, 15782, Santiago de Compostela, Spain
| | - A V Marcos
- Grupo de Física de Coloides y Polímeros, Departamento de Física de la Materia Condensada, Universidad de Santiago de Compostela, 15782, Santiago de Compostela, Spain
| | - B Pelaz
- Grupo de Física de Coloides y Polímeros, Departamento de Física de la Materia Condensada, Universidad de Santiago de Compostela, 15782, Santiago de Compostela, Spain
- Centro Singular de Investigación en Química Biológica y Materiales Moleculares (CiQUS), Universidad de Santiago de Compostela, 15782, Santiago de Compostela, Spain
| | - P Del Pino
- Grupo de Física de Coloides y Polímeros, Departamento de Física de la Materia Condensada, Universidad de Santiago de Compostela, 15782, Santiago de Compostela, Spain
- Centro Singular de Investigación en Química Biológica y Materiales Moleculares (CiQUS), Universidad de Santiago de Compostela, 15782, Santiago de Compostela, Spain
| | - A Bouzas Mosquera
- Departamento de Cirugía Cardíaca, Complexo Hospitalario Universitario A Coruña, Instituto de Investigación Biomédica de A Coruña (INIBIC), A Coruña, Spain
| | - V X Mosquera
- Departamento de Cirugía Cardíaca, Complexo Hospitalario Universitario A Coruña, Instituto de Investigación Biomédica de A Coruña (INIBIC), A Coruña, Spain
| | - A Almodlej
- Department of Physics and Astronomy, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - G Prieto
- Grupo de Biofísica e Interfases, Departamento de Física Aplicada, Universidad de Santiago de Compostela, 15782, Santiago de Compostela, Spain
| | - S Barbosa
- Grupo de Física de Coloides y Polímeros, Departamento de Física de la Materia Condensada, Universidad de Santiago de Compostela, 15782, Santiago de Compostela, Spain
- Instituto de Investigaciones Sanitarias (IDIS) y Agrupación Estratégica de Materiales, Universidad de Santiago de Compostela, 15782, Santiago de Compostela, Spain
| | - P Taboada
- Grupo de Física de Coloides y Polímeros, Departamento de Física de la Materia Condensada, Universidad de Santiago de Compostela, 15782, Santiago de Compostela, Spain.
- Instituto de Investigaciones Sanitarias (IDIS) y Agrupación Estratégica de Materiales, Universidad de Santiago de Compostela, 15782, Santiago de Compostela, Spain.
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10
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Domínguez-Ríos R, Sánchez-Ramírez DR, Ruiz-Saray K, Oceguera-Basurto PE, Almada M, Juárez J, Zepeda-Moreno A, Del Toro-Arreola A, Topete A, Daneri-Navarro A. Cisplatin-loaded PLGA nanoparticles for HER2 targeted ovarian cancer therapy. Colloids Surf B Biointerfaces 2019; 178:199-207. [PMID: 30856589 DOI: 10.1016/j.colsurfb.2019.03.011] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Revised: 03/02/2019] [Accepted: 03/05/2019] [Indexed: 01/15/2023]
Abstract
The conventional treatment (cytoreduction combined with cisplatin/carboplatin and taxane drugs) of ovarian cancer has a high rate of failure and recurrence despite a favorable initial response. This lack of success is usually attributed to the development of multidrug resistance mechanisms by cancer cells and avoidance of the anti-growth effects of monoclonal targeted therapeutic antibodies. The disease, like other cancers, is characterized by the overexpression of molecular markers, including HER2 receptors. Preclinical and clinical studies with trastuzumab, a HER2-targeted therapeutic antibody, reveal a low improvement of the outcomes of HER2 positive ovarian cancer patients. Therefore, here, we propose a cisplatin-loaded, HER2 targeted poly(lactic-co-glycolic) nanoplatform, a system capable to escape the drug-efflux effect and to take advantage of the overexpressed HER2 receptors, using them as docks for targeted chemotherapy. The NP/trastuzumab ratio was determined after fluorescein labeling of antibodies and quantification of fluorescence in NPs. The system was also characterized in terms of size, zeta potential, drug release kinetics, cytotoxicity and cellular internalization in the epithelial ovarian cancer cell line SKOV-3, and compared with the HER2 negative breast cancer cell line HCC70. Our results show an increased cytotoxicity of NPs as compared to free cisplatin, and moreover, an enhanced internalization and cytotoxicity due to the bionfunctionalization of NPs with the monoclonal antibody.
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Affiliation(s)
- Rossina Domínguez-Ríos
- Laboratorio de Inmunología, Departamento de Fisiología, Centro Universitario de Ciencias de la Salud (CUCS), Universidad de Guadalajara, Guadalajara, 44340, Mexico
| | - Dante R Sánchez-Ramírez
- Laboratorio de Inmunología, Departamento de Fisiología, Centro Universitario de Ciencias de la Salud (CUCS), Universidad de Guadalajara, Guadalajara, 44340, Mexico
| | - Kassandra Ruiz-Saray
- Laboratorio de Inmunología, Departamento de Fisiología, Centro Universitario de Ciencias de la Salud (CUCS), Universidad de Guadalajara, Guadalajara, 44340, Mexico
| | - Paola E Oceguera-Basurto
- Laboratorio de Inmunología, Departamento de Fisiología, Centro Universitario de Ciencias de la Salud (CUCS), Universidad de Guadalajara, Guadalajara, 44340, Mexico
| | - Mario Almada
- Departamento de Ciencias Químico Biológicas y Agropecuarias, Universidad de Sonora, Unidad Regional Sur, Lázaro Cárdenas 100, Colonia Francisco Villa, Navojoa, Sonora C.P. 85880, Mexico
| | - Josué Juárez
- Departamento de Física, Universidad de Sonora, Unidad Centro, Hermosillo, Sonora, 83000, Mexico
| | - Abraham Zepeda-Moreno
- Instituto de Investigación en Cáncer de la Infancia y la Adolescencia (INICIA), Centro Universitario de Ciencias de la Salud (CUCS), Universidad de Guadalajara, Guadalajara, 44340, Mexico
| | - Alicia Del Toro-Arreola
- Laboratorio de Inmunología, Departamento de Fisiología, Centro Universitario de Ciencias de la Salud (CUCS), Universidad de Guadalajara, Guadalajara, 44340, Mexico
| | - Antonio Topete
- Laboratorio de Inmunología, Departamento de Fisiología, Centro Universitario de Ciencias de la Salud (CUCS), Universidad de Guadalajara, Guadalajara, 44340, Mexico.
| | - Adrián Daneri-Navarro
- Laboratorio de Inmunología, Departamento de Fisiología, Centro Universitario de Ciencias de la Salud (CUCS), Universidad de Guadalajara, Guadalajara, 44340, Mexico
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11
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Jiang Y, Yang W, Zhang J, Meng F, Zhong Z. Protein Toxin Chaperoned by LRP-1-Targeted Virus-Mimicking Vesicles Induces High-Efficiency Glioblastoma Therapy In Vivo. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:e1800316. [PMID: 29893017 DOI: 10.1002/adma.201800316] [Citation(s) in RCA: 100] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Revised: 04/27/2018] [Indexed: 05/16/2023]
Abstract
Glioblastoma is a most intractable and high-mortality malignancy because of its extremely low drug accessibility resulting from the blood-brain barrier (BBB). Here, it is reported that angiopep-2-directed and redox-responsive virus-mimicking polymersomes (ANG-PS) (angiopep-2 is a peptide targeting to low-density lipoprotein receptor-related protein-1 (LRP-1)) can efficiently and selectively chaperone saporin (SAP), a highly potent natural protein toxin, to orthotopic human glioblastoma xenografts in nude mice. Unlike chemotherapeutics, free SAP has a low cytotoxicity. SAP-loaded ANG-PS displays, however, a striking antitumor activity (half-maximal inhibitory concentration, IC50 = 30.2 × 10-9 m) toward U-87 MG human glioblastoma cells in vitro as well as high BBB transcytosis and glioblastoma accumulation in vivo. The systemic administration of SAP-loaded ANG-PS to U-87 MG orthotopic human-glioblastoma-bearing mice brings about little side effects, effective tumor inhibition, and significantly improved survival rate. The protein toxins chaperoned by LRP-1-targeted virus-mimicking vesicles emerge as a novel and highly promising treatment modality for glioblastoma.
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Affiliation(s)
- Yu Jiang
- Biomedical Polymers Laboratory, and Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, P. R. China
| | - Weijing Yang
- Biomedical Polymers Laboratory, and Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, P. R. China
| | - Jian Zhang
- Biomedical Polymers Laboratory, and Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, P. R. China
| | - Fenghua Meng
- Biomedical Polymers Laboratory, and Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, P. R. China
| | - Zhiyuan Zhong
- Biomedical Polymers Laboratory, and Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, P. R. China
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12
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Li X, Jiang X. Microfluidics for producing poly (lactic-co-glycolic acid)-based pharmaceutical nanoparticles. Adv Drug Deliv Rev 2018; 128:101-114. [PMID: 29277543 DOI: 10.1016/j.addr.2017.12.015] [Citation(s) in RCA: 81] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Revised: 12/17/2017] [Accepted: 12/20/2017] [Indexed: 12/13/2022]
Abstract
Microfluidic chips allow the rapid production of a library of nanoparticles (NPs) with distinct properties by changing the precursors and the flow rates, significantly decreasing the time for screening optimal formulation as carriers for drug delivery compared to conventional methods. The batch-to-batch reproducibility which is essential for clinical translation is achieved by precisely controlling the precursors and the flow rate, regardless of operators. Poly (lactic-co-glycolic acid) (PLGA) is the most widely used Food and Drug Administration (FDA)-approved biodegradable polymers. Researchers often combine PLGA with lipids or amphiphilic molecules to assemble into a core/shell structure to exploit the potential of PLGA-based NPs as powerful carriers for cancer-related drug delivery. In this review, we discuss the advantages associated with microfluidic chips for producing PLGA-based functional nanocomplexes for drug delivery. These laboratory-based methods can readily scale up to provide sufficient amount of PLGA-based NPs in microfluidic chips for clinical studies and industrial-scale production.
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13
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Vidawati S, Barbosa S, Taboada P, Villar E, Topete A, Mosquera V. Study of Human Serum Albumin-SPIONs Loaded PLGA Nanoparticles for Protein Delivery. ACTA ACUST UNITED AC 2018. [DOI: 10.4236/abc.2018.85008] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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14
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Zhang Q, Nie J, Xu H, Qiu Y, Li X, Gu W, Tang G, Luo J. Fluorescent microspheres for one-photon and two-photon imaging of mesenchymal stem cells. J Mater Chem B 2017; 5:7809-7818. [DOI: 10.1039/c7tb01942d] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Preparation of fluorescent beads to quantitatively evaluate the one-photon and two-photon imaging of hMSCs that have endocytosed AO-PLGA nanospheres.
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Affiliation(s)
- Qi Zhang
- School of Radiation Medicine and Protection and School for Radiological and Interdisciplinary Sciences (RAD-X)
- Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions
- Medical College of Soochow University
- Suzhou
- China
| | - Jihua Nie
- School of Radiation Medicine and Protection and School for Radiological and Interdisciplinary Sciences (RAD-X)
- Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions
- Medical College of Soochow University
- Suzhou
- China
| | - Hong Xu
- Department of Radiology
- Shanghai Tenth People's Hospital
- Tongji University School of Medicine
- Shanghai 200072
- China
| | - Yuyou Qiu
- Department of Radiology
- Shanghai Tenth People's Hospital
- Tongji University School of Medicine
- Shanghai 200072
- China
| | - Xiaoran Li
- Key Laboratory for Nano-Bio Interface Research
- Division of Nanobiomedicine
- Suzhou Institute of Nano-Tech and Nano-Bionics
- Chinese Academy of Sciences
- Suzhou
| | - Wei Gu
- School of Radiation Medicine and Protection and School for Radiological and Interdisciplinary Sciences (RAD-X)
- Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions
- Medical College of Soochow University
- Suzhou
- China
| | - Guangyu Tang
- Department of Radiology
- Shanghai Tenth People's Hospital
- Tongji University School of Medicine
- Shanghai 200072
- China
| | - Judong Luo
- Department of Oncology
- The Affiliated Changzhou No. 2 People's Hospital With Nanjing Medical University
- Changzhou
- China
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15
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Gu W, Zhang Q, Zhang T, Li Y, Xiang J, Peng R, Liu J. Hybrid polymeric nano-capsules loaded with gold nanoclusters and indocyanine green for dual-modal imaging and photothermal therapy. J Mater Chem B 2016; 4:910-919. [PMID: 32263164 DOI: 10.1039/c5tb01619c] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Currently there is a great need to design nano-carriers which enable multi-modal imaging of tumors and administration of therapeutics with high efficacy simultaneously. Herein we report a facile and robust approach to fabricate multifunctional nano-capsules based on double emulsions. The hybrid nano-capsules were loaded with BSA capped gold nanoclusters (AuNCs) and indocyanine green (ICG) for dual-modal imaging and effective photothermal therapy. RGD peptides were conjugated onto the surface of the hybrid nano-capsules to target cells overexpressing integrin ανβ3. We demonstrated that the as-prepared nano-capsules can be used for both one-photon and two-photon fluorescence imaging of tumor cells, and subsequent photothermal ablation with high effectiveness. The background noise of tissue autofluorescence was dramatically suppressed in the two-photon imaging mode. Therefore, it assisted a great deal to acquire images with a high signal-to-noise ratio using the hybrid nano-capsules. Due to a unique combination of the one-photon/two-photon fluorescence imaging and highly-effective photothermal properties, the hybrid nano-capsules may find broad biomedical applications as attractive theranostic nanomaterials.
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Affiliation(s)
- Wei Gu
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-based Functional Materials & Devices, Collaborative Innovation Centre of Suzhou Nano Science and Technology, Soochow University, Suzhou, Jiangsu Province 215123, China.
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16
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Chen H, Liu F, Lei Z, Ma L, Wang Z. Fe2O3@Au core@shell nanoparticle–graphene nanocomposites as theranostic agents for bioimaging and chemo-photothermal synergistic therapy. RSC Adv 2015. [DOI: 10.1039/c5ra17143a] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Graphene-based magnetic and plasmonic nanocomposites (DOX–rGO–Fe2O3@Au NPs) have been prepared for magnetic-field-assisted drug delivery and chemo-photothermal synergistic therapy.
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Affiliation(s)
- Hongda Chen
- State Key Laboratory of Electroanalytical Chemistry
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun
- P. R. China
| | - Fuyao Liu
- State Key Laboratory of Electroanalytical Chemistry
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun
- P. R. China
| | - Zhen Lei
- State Key Laboratory of Electroanalytical Chemistry
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun
- P. R. China
| | - Lina Ma
- State Key Laboratory of Electroanalytical Chemistry
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun
- P. R. China
| | - Zhenxin Wang
- State Key Laboratory of Electroanalytical Chemistry
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun
- P. R. China
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