1
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Li Y, Bao Q, Yang S, Yang M, Mao C. Bionanoparticles in cancer imaging, diagnosis, and treatment. VIEW 2022. [DOI: 10.1002/viw.20200027] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Affiliation(s)
- Yan Li
- Institute of Applied Bioresource Research College of Animal Science Zhejiang University Hangzhou Zhejiang China
| | - Qing Bao
- School of Materials Science and Engineering Zhejiang University Hangzhou Zhejiang China
| | - Shuxu Yang
- Department of Neurosurgery Sir Run Run Shaw Hospital School of Medicine Zhejiang University Hangzhou Zhejiang China
| | - Mingying Yang
- Institute of Applied Bioresource Research College of Animal Science Zhejiang University Hangzhou Zhejiang China
| | - Chuanbin Mao
- School of Materials Science and Engineering Zhejiang University Hangzhou Zhejiang China
- Department of Chemistry and Biochemistry Stephenson Life Science Research Center University of Oklahoma Norman Oklahoma USA
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2
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Hock N, Racaniello GF, Aspinall S, Denora N, Khutoryanskiy VV, Bernkop‐Schnürch A. Thiolated Nanoparticles for Biomedical Applications: Mimicking the Workhorses of Our Body. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2102451. [PMID: 34773391 PMCID: PMC8728822 DOI: 10.1002/advs.202102451] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 10/13/2021] [Indexed: 05/03/2023]
Abstract
Advances in nanotechnology have generated a broad range of nanoparticles (NPs) for numerous biomedical applications. Among the various properties of NPs are functionalities being related to thiol substructures. Numerous biological processes that are mediated by cysteine or cystine subunits of proteins representing the workhorses of the bodies can be transferred to NPs. This review focuses on the interface between thiol chemistry and NPs. Pros and cons of different techniques for thiolation of NPs are discussed. Furthermore, the various functionalities gained by thiolation are highlighted. These include overall bio- and mucoadhesive, cellular uptake enhancing, and permeation enhancing properties. Drugs being either covalently attached to thiolated NPs via disulfide bonds or being entrapped in thiolated polymeric NPs that are stabilized via inter- and intrachain crosslinking can be released at the diseased tissue or in target cells under reducing conditions. Moreover, drugs, targeting ligands, biological analytes, and enzymes bearing thiol substructures can be immobilized on noble metal NPs and quantum dots for therapeutic, theranostic, diagnostic, biosensing, and analytical reasons. Within this review a concise summary and analysis of the current knowledge, future directions, and potential clinical use of thiolated NPs are provided.
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Affiliation(s)
- Nathalie Hock
- Thiomatrix Forschungs und Beratungs GmbHTrientlgasse 65Innsbruck6020Austria
| | | | - Sam Aspinall
- Reading School of PharmacyUniversity of ReadingWhiteknights PO Box 224, Room 122 (Chemistry and Pharmacy Building)ReadingRG66DXUK
| | - Nunzio Denora
- Department of Pharmacy – Pharmaceutical SciencesUniversity of Bari “Aldo Moro”Bari70125Italy
| | - Vitaliy V. Khutoryanskiy
- Reading School of PharmacyUniversity of ReadingWhiteknights PO Box 224, Room 122 (Chemistry and Pharmacy Building)ReadingRG66DXUK
| | - Andreas Bernkop‐Schnürch
- Department of Pharmaceutical Technology, Institute of PharmacyUniversity of InnsbruckInnrain 80/82Innsbruck6020Austria
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3
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Wang JW, Zheng F, Chen H, Ding Y, Xia XH. Rapidly Visualizing the Membrane Affinity of Gene Vectors Using Polydiacetylene-Based Allochroic Vesicles. ACS Sens 2019; 4:977-983. [PMID: 30896923 DOI: 10.1021/acssensors.9b00102] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The high-throughput screening of chemically active substances has aroused widespread interest in recent years. The screening of drug carriers is usually ignored, although they interact directly with physiological barriers and target cells, and they determine the fate and efficacy of drugs in vivo. In this work, a series of polydiacetylene (PDA) vesicles (ca. 550 nm) that simulate the cell membrane are constructed to detect the membrane affinity of gene vectors. The surface potentials of vesicles are adjusted by changing the phospholipid composition using different charged compounds. All vesicles show the rapid color changes upon the addition of gene vectors by the naked eye within <5 min. The optimized 1,2-dimyristoyl- sn-glycero-3-phosphocholine (DMPC)-PDA vesicles display the most sensitive discoloration response to the commercially available gene vectors, including Lipofectamine 2000, Entranster-H4000, and polyethylenimine. The logarithm of transfection efficiency for green fluorescent protein plasmid (pGFP) mediated by these three vectors in L02 and HepG2 cells demonstrate an excellent linear correlation with the logarithm of membrane affinity (log Kb) of the gene vectors detected by DMPC-PDA vesicles. This rapid visualization method not only allows the in vitro membrane affinity prediction of gene vectors that greatly contributes to the gene transfection efficiency, but also offers a universal strategy for the potential high-throughput screening of various carrier materials featuring high cell affinity.
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Affiliation(s)
- Jing-Wen Wang
- Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, China Pharmaceutical University, Nanjing 210009, China
| | - Feng Zheng
- Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, China Pharmaceutical University, Nanjing 210009, China
| | - Huan Chen
- Department of Biochemistry, School of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, China
| | - Ya Ding
- Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, China Pharmaceutical University, Nanjing 210009, China
| | - Xing-Hua Xia
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
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4
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Zhao L, Li Y, Pei D, Huang Q, Zhang H, Yang Z, Li F, Shi T. Glycopolymers/PEI complexes as serum-tolerant vectors for enhanced gene delivery to hepatocytes. Carbohydr Polym 2018; 205:167-175. [PMID: 30446092 DOI: 10.1016/j.carbpol.2018.10.036] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Revised: 10/12/2018] [Accepted: 10/12/2018] [Indexed: 10/28/2022]
Abstract
Serum stability is a crucial factor for ideal polymeric gene vectors. In this work, a series of serum-tolerant and low-toxicity glycopolymers/poly(ethyleneimine) (PEI) complexes were designed for gene delivery. Atomic transfer radical polymerization (ATRP) was used to synthesize the comb-shaped random copolymers dextran-g-poly(2-dimethylaminoethyl methacrylate-co-2-lactobionamidoethyl methacrylate) (DDrL). Then DDrLs/PEI were investigated for their use as plasmid DNA (pDNA) vectors, which can completely condense the pDNA into nanoparticles. The DDrLs/PEI/pDNA complexes in serum-containing media showed better stability than PEI/pDNA complexes. in vitro gene transfection studies showed that DDrLs/PEI exhibited a remarkable transfection efficiency enhancement in the presence of serum compared to that in serum-free conditions. Moreover, the transfection level of DDrLs/PEI were two orders of magnitude higher than that of PEI alone in the presence of 30% serum. DDrLs/PEI complexes with galactose enhanced pDNA delivery to hepatocytes, with higher protein expression in ASGPr-presenting HepG2 than in HeLa cells, which lack the receptor. All of the DDrLs/PEI/pDNA complexes had lower cytotoxicity than PEI/pDNA.
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Affiliation(s)
- Liman Zhao
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China; School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei 230026, PR China
| | - Yanchun Li
- Department of Pediatric Respiratory Medicine, First Hospital of Jilin University, Jilin Province 130021, PR China
| | - Danfeng Pei
- Key Laboratory of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, 189 Songling Road, Qingdao, Shandong Province 266101, PR China
| | - Qingrong Huang
- Department of Food Science, Rutgers, The State University of New Jersey, 65 Dudley Rd, New Brunswick, NJ 08901, USA
| | - Hongwei Zhang
- Department of Food Science, Rutgers, The State University of New Jersey, 65 Dudley Rd, New Brunswick, NJ 08901, USA
| | - Zechuan Yang
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China.
| | - Fan Li
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China.
| | - Tongfei Shi
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China; School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei 230026, PR China.
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5
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Hernandez-Garcia A, Velders AH, Stuart MAC, de Vries R, van Lent JWM, Wang J. Supramolecular Virus-Like Nanorods by Coassembly of a Triblock Polypeptide and Reversible Coordination Polymers. Chemistry 2016; 23:239-243. [DOI: 10.1002/chem.201603968] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2016] [Indexed: 02/03/2023]
Affiliation(s)
- Armando Hernandez-Garcia
- Laboratory of Physical Chemistry and Soft Matter; Wageningen University and Research Centre; Wageningen 6703HB The Netherlands
- Simpson Querrey Institute for BioNanotechnology; Northwestern University; Chicago Illinois 60611-2875 USA
| | - Aldrik H. Velders
- Laboratory of Bionanotechnology; Wageningen University and Research Centre; Wageningen 6703HB The Netherlands
| | - Martien A. Cohen Stuart
- Laboratory of Physical Chemistry and Soft Matter; Wageningen University and Research Centre; Wageningen 6703HB The Netherlands
| | - Renko de Vries
- Laboratory of Physical Chemistry and Soft Matter; Wageningen University and Research Centre; Wageningen 6703HB The Netherlands
| | - Jan W. M. van Lent
- Wageningen Electron Microscopy Centre; Wageningen University and Research Centre; Droevendaalsesteeg 1 6708 PB Wageningen The Netherlands
| | - Junyou Wang
- Laboratory of Bionanotechnology; Wageningen University and Research Centre; Wageningen 6703HB The Netherlands
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Abstract
Background: Gene therapy is an innovative and exciting new branch of medicine. Despite the fact that a human disease has yet to be cured using this therapeutic approach, numerous clinical trials are taking place around the world based on encouraging preclinical data. Objective: The aim of this review is to bring the reader up to date with this rapidly advancing field and to highlight the technical advances that must occur before gene therapy will become common practice in dermatology. Methods: The current level of gene delivery technology restricts the applications. The advantages and disadvantages of viral and nonviral gene delivery systems are discussed. Results: Considerable advances are being made in the areas of cancer immunotherapy and vaccines. Of particular importance to the treatment of skin diseases will be the isolation and ex vivo manipulation of epidermal stem cells, the development of skin-specific regulatory sequences for gene expression, and the formulation of gene delivery systems suitable for systemic administration. Conclusions: In general, skin and keratinocytes are considered to be good targets for gene transfer applications, and several diseases have been identified as potential candidates for treatment in the near future.
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Affiliation(s)
- Michael J. Hope
- Skin Barrier Research Laboratory, Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
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7
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Conjugates of small targeting molecules to non-viral vectors for the mediation of siRNA. Acta Biomater 2016; 36:21-41. [PMID: 27045350 DOI: 10.1016/j.actbio.2016.03.048] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2015] [Revised: 03/29/2016] [Accepted: 03/31/2016] [Indexed: 01/08/2023]
Abstract
UNLABELLED To use siRNA (small interfering RNA) for gene therapy, a gene delivery system is often necessary to overcome several challenging requirements including rapid excretion, low stability in blood serum, non-specific accumulation in tissues, poor cellular uptake and inefficient intracellular release. Active and/or passive targeting should help the delivery system to reach the desired tissue or cell, to be internalized, and to deliver siRNA to the cytoplasm so that siRNA can inhibit protein synthesis. This review covers conjugates of small targeting molecules and non-viral delivery systems for the mediation of siRNA, with a focus on their transfection properties in order to help the development of new and efficient siRNA delivery systems, as the therapeutic solutions of tomorrow. STATEMENT OF SIGNIFICANCE The delivery of siRNA into cells or tissues remains to be a challenge for its applications, an alternative strategy for siRNA delivery systems is direct conjugation of non-viral vectors with targeting moieties for cellular delivery. In comparison to macromolecules, small targeting molecules have attracted great attention due to their many potential advantages including significant simplicity and ease of production, good repeatability and biodegradability. This review will focus on the most recent advances in the delivery of siRNA using conjugates of small targeting molecules and non-viral delivery systems. Based the editor's suggestions, we hope the revised manuscript could provide more profound understanding to the conjugates of targeting molecules to vectors for mediation of siRNA.
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Abstract
Spherulites are onion-like structures composed of phospholipids and excipients. Initially discovered in an academic laboratory, these autoassembled nano-objects have been developed further by the start-up Capsulis (Bordeaux, France), and commercialized for veterinary and dermatological applications. Owing to economical strategies, the development of these objects have not been pursued, however, they are very interesting systems, which should be exploited further. The autoassembly of amphiphiles followed by a shear stress allows the formation of nano- to micrometer range nanoparticles, which could be interesting either for systemic or local delivery. Small molecules to macromolecules have been encapsulated in spherulites in the nanometer range. All have shown promising results. Hence, spherulite-encapsulated oligonucleotides have shown increased cell internalization. DNA was shown to be encapsulated in these neutral nanoparticles. Proof-of-concept of protein encapsulation was obtained leading to immune stimulation. This review summarizes the different ways to obtain spherulites, the results of the various investigations performed to date and indicates the limits and the interests of theses nanocarriers and proposes future prospects.
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9
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Swami R, Singh I, Khan W, Ramakrishna S. Diseases originate and terminate by genes: unraveling nonviral gene delivery. Drug Deliv Transl Res 2015; 3:593-610. [PMID: 25786377 DOI: 10.1007/s13346-013-0159-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The world is driving in to the era of transformation of chemical therapeutic molecules to biological genetic material therapeutics, and that is where the biological drugs especially "genes" come into existence. These genes worked as "magical bullets" to specifically silence faulty genes responsible for progression of diseases. Viral gene delivery research is far ahead of nonviral gene delivery technique. However, with more advancement in polymer science, new ways are opening for better and efficient nonviral gene delivery. But efficient delivery method is always considered as a bottleneck for gene delivery as success of which will decide the fate of gene in cells. During the past decade, it became evident that extracellular as well as intracellular barriers compromise the transfection efficiency of nonviral vectors. The challenge for gene therapy research is to pinpoint the rate-limiting steps in this complex process and implement strategies to overcome the biological physiochemical and metabolic barriers encountered during targeting. The synergy between studies that investigate the mechanism of breaking in and breaking out of nonviral gene delivery carrier through various extracellular and intracellular barriers with desired characteristics will enable the rational design of vehicles and revolutionize the treatment of various diseases.
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Affiliation(s)
- Rajan Swami
- Department of Pharmaceutics, National Institute of Pharmaceutical Education & Research (NIPER), Hyderabad, 500037, India
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10
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Méndez-Ardoy A, Díaz-Moscoso A, Ortiz Mellet C, Di Giorgio C, Vierling P, Benito JM, García Fernández JM. Harmonized tuning of nucleic acid and lectin binding properties with multivalent cyclodextrins for macrophage-selective gene delivery. RSC Adv 2015. [DOI: 10.1039/c5ra16087a] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Polycationic amphiphilic cyclodextrins (paCDs) have been shown to behave as efficient non-viral gene carriers paralleling the efficacy of commercial vectors towards a variety of cell lines.
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Affiliation(s)
- Alejandro Méndez-Ardoy
- Departamento de Química Orgánica
- Facultad de Química
- Univ. Sevilla
- C/Prof. García González 1
- E-41012 Sevilla
| | | | - Carmen Ortiz Mellet
- Departamento de Química Orgánica
- Facultad de Química
- Univ. Sevilla
- C/Prof. García González 1
- E-41012 Sevilla
| | - Christophe Di Giorgio
- Institut de Chimie de Nice
- ICN – Université de Nice Sophia Antipolis – CNRS UMR 7272
- F-06100 Nice
- France
| | - Pierre Vierling
- Institut de Chimie de Nice
- ICN – Université de Nice Sophia Antipolis – CNRS UMR 7272
- F-06100 Nice
- France
| | - Juan M. Benito
- Instituto de Investigaciones Químicas
- CSIC – Univ. Sevilla
- E-41092 Sevilla
- Spain
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11
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Hernandez-Garcia A, Kraft DJ, Janssen AFJ, Bomans PHH, Sommerdijk NAJM, Thies-Weesie DME, Favretto ME, Brock R, de Wolf FA, Werten MWT, van der Schoot P, Stuart MC, de Vries R. Design and self-assembly of simple coat proteins for artificial viruses. NATURE NANOTECHNOLOGY 2014; 9:698-702. [PMID: 25150720 DOI: 10.1038/nnano.2014.169] [Citation(s) in RCA: 99] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2013] [Accepted: 07/17/2014] [Indexed: 06/03/2023]
Abstract
Viruses are among the simplest biological systems and are highly effective vehicles for the delivery of genetic material into susceptible host cells. Artificial viruses can be used as model systems for providing insights into natural viruses and can be considered a testing ground for developing artificial life. Moreover, they are used in biomedical and biotechnological applications, such as targeted delivery of nucleic acids for gene therapy and as scaffolds in material science. In a natural setting, survival of viruses requires that a significant fraction of the replicated genomes be completely protected by coat proteins. Complete protection of the genome is ensured by a highly cooperative supramolecular process between the coat proteins and the nucleic acids, which is based on reversible, weak and allosteric interactions only. However, incorporating this type of supramolecular cooperativity into artificial viruses remains challenging. Here, we report a rational design for a self-assembling minimal viral coat protein based on simple polypeptide domains. Our coat protein features precise control over the cooperativity of its self-assembly with single DNA molecules to finally form rod-shaped virus-like particles. We confirm the validity of our design principles by showing that the kinetics of self-assembly of our virus-like particles follows a previous model developed for tobacco mosaic virus. We show that our virus-like particles protect DNA against enzymatic degradation and transfect cells with considerable efficiency, making them promising delivery vehicles.
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Affiliation(s)
- Armando Hernandez-Garcia
- 1] Laboratory of Physical Chemistry and Colloid Science, Wageningen University, Dreijenplein 6, 6703 HB Wageningen, The Netherlands [2] Dutch Polymer Institute, John F. Kennedylaan 2, 5612 AB Eindhoven, The Netherlands [3]
| | - Daniela J Kraft
- 1] Soft Matter Physics, Huygens-Kamerlingh Onnes Laboratory, Leiden University, PO Box 9504, 2300 RA Leiden, The Netherlands [2] Center for Soft Matter Research, Department of Physics, New York University, 4 Washington Place, New York, New York 10003, USA
| | - Anne F J Janssen
- Laboratory of Physical Chemistry and Colloid Science, Wageningen University, Dreijenplein 6, 6703 HB Wageningen, The Netherlands
| | - Paul H H Bomans
- Laboratory of Materials and Interface Chemistry &Soft Matter CryoTEM Research Unit, Department of Chemical Engineering and Chemistry, and Institute for Complex Molecular Systems, Eindhoven University of Technology, PO Box 513, 5600 MB Eindhoven, The Netherlands
| | - Nico A J M Sommerdijk
- Laboratory of Materials and Interface Chemistry &Soft Matter CryoTEM Research Unit, Department of Chemical Engineering and Chemistry, and Institute for Complex Molecular Systems, Eindhoven University of Technology, PO Box 513, 5600 MB Eindhoven, The Netherlands
| | - Dominique M E Thies-Weesie
- Utrecht University, Van't Hoff Laboratory for Physical and Colloid Chemistry, Debye Institute of Nanomaterials Science, PO Box 80.051, 3508 TB Utrecht, The Netherlands
| | - Marco E Favretto
- 1] Department of Biochemistry, Radboud Institute of Molecular Life Sciences, Radboud University Medical Centre, Geert Grooteplein 28, 6525 GA Nijmegen, The Netherlands [2] Dutch Polymer Institute, John F. Kennedylaan 2, 5612 AB Eindhoven, The Netherlands
| | - Roland Brock
- Department of Biochemistry, Radboud Institute of Molecular Life Sciences, Radboud University Medical Centre, Geert Grooteplein 28, 6525 GA Nijmegen, The Netherlands
| | - Frits A de Wolf
- Wageningen UR Food &Biobased Research, Bornse Weilanden 9, 6708 WG Wageningen, The Netherlands
| | - Marc W T Werten
- Wageningen UR Food &Biobased Research, Bornse Weilanden 9, 6708 WG Wageningen, The Netherlands
| | - Paul van der Schoot
- 1] Theory of Polymers and Soft Matter, Department of Applied Physics, Eindhoven University of Technology, PO Box 513, 5600 MB Eindhoven, The Netherlands [2] Institute for Theoretical Physics, Utrecht University, Leuvenlaan 4, 3584 CE Utrecht, The Netherlands
| | - Martien Cohen Stuart
- Laboratory of Physical Chemistry and Colloid Science, Wageningen University, Dreijenplein 6, 6703 HB Wageningen, The Netherlands
| | - Renko de Vries
- 1] Laboratory of Physical Chemistry and Colloid Science, Wageningen University, Dreijenplein 6, 6703 HB Wageningen, The Netherlands [2] Department of Biomedical Engineering, University Medical Center Groningen, University of Groningen, PO Box 196, 9700 AD Groningen, The Netherlands
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12
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Joubran S, Zigler M, Pessah N, Klein S, Shir A, Edinger N, Sagalov A, Razvag Y, Reches M, Levitzki A. Optimization of Liganded Polyethylenimine Polyethylene Glycol Vector for Nucleic Acid Delivery. Bioconjug Chem 2014; 25:1644-54. [DOI: 10.1021/bc500252a] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Salim Joubran
- Unit of Cellular Signaling, Department of Biological Chemistry and ‡Institute of Chemistry
and The Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem,
Givat Ram, Jerusalem 91904, Israel
| | - Maya Zigler
- Unit of Cellular Signaling, Department of Biological Chemistry and ‡Institute of Chemistry
and The Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem,
Givat Ram, Jerusalem 91904, Israel
| | - Neta Pessah
- Unit of Cellular Signaling, Department of Biological Chemistry and ‡Institute of Chemistry
and The Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem,
Givat Ram, Jerusalem 91904, Israel
| | - Shoshana Klein
- Unit of Cellular Signaling, Department of Biological Chemistry and ‡Institute of Chemistry
and The Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem,
Givat Ram, Jerusalem 91904, Israel
| | - Alexei Shir
- Unit of Cellular Signaling, Department of Biological Chemistry and ‡Institute of Chemistry
and The Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem,
Givat Ram, Jerusalem 91904, Israel
| | - Nufar Edinger
- Unit of Cellular Signaling, Department of Biological Chemistry and ‡Institute of Chemistry
and The Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem,
Givat Ram, Jerusalem 91904, Israel
| | - Anna Sagalov
- Unit of Cellular Signaling, Department of Biological Chemistry and ‡Institute of Chemistry
and The Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem,
Givat Ram, Jerusalem 91904, Israel
| | - Yair Razvag
- Unit of Cellular Signaling, Department of Biological Chemistry and ‡Institute of Chemistry
and The Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem,
Givat Ram, Jerusalem 91904, Israel
| | - Meital Reches
- Unit of Cellular Signaling, Department of Biological Chemistry and ‡Institute of Chemistry
and The Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem,
Givat Ram, Jerusalem 91904, Israel
| | - Alexander Levitzki
- Unit of Cellular Signaling, Department of Biological Chemistry and ‡Institute of Chemistry
and The Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem,
Givat Ram, Jerusalem 91904, Israel
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13
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Mannosylated chitosan nanoparticles for delivery of antisense oligonucleotides for macrophage targeting. BIOMED RESEARCH INTERNATIONAL 2014; 2014:526391. [PMID: 25057492 PMCID: PMC4098891 DOI: 10.1155/2014/526391] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2014] [Accepted: 06/02/2014] [Indexed: 12/11/2022]
Abstract
The therapeutic potential of antisense oligonucleotides (ASODN) is primarily dependent upon its safe and efficient delivery to specific cells overcoming degradation and maximizing cellular uptake in vivo. The present study focuses on designing mannosylated low molecular weight (LMW) chitosan nanoconstructs for safe ODNs delivery by macrophage targeting. Mannose groups were coupled with LMW chitosan and characterized spectroscopically. Mannosylated chitosan ODN nanoparticles (MCHODN NPs) were formulated by self-assembled method using various N/P ratio (moles of amine groups of MCH to phosphate moieties of ODNs) and characterized for gel retardation assay, physicochemical characteristics, cytotoxicity and transfection efficiency, and antisense assay. Complete complexation of MCH/ODN was achieved at charge ratio of 1:1 and above. On increasing the N/P ratio of MCH/ODN, particle size of the NPs decreased whereas zeta potential (ZV) increased. MCHODN NPs displayed much higher transfection efficiency into Raw 264.7 cells (bears mannose receptors) than Hela cells and no significant toxicity was observed at all MCH concentrations. Antisense assay revealed that reduction in lipopolysaccharide (LPS) induced serum TNF-α is due to antisense activity of TJU-2755 ODN (sequence complementary to 3′-UTR of TNF-α). These results suggest that MCHODN NPs are acceptable choice to improve transfection efficiency in vitro and in vivo.
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14
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Varshosaz J, Jafarian A, Salehi G, Zolfaghari B. Comparing different sterol containing solid lipid nanoparticles for targeted delivery of quercetin in hepatocellular carcinoma. J Liposome Res 2013; 24:191-203. [PMID: 24354715 DOI: 10.3109/08982104.2013.868476] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Quercetin (QT) is a potential chemotherapeutic drug with low solubility that seriously limits its clinical use. The aim of this study was enhancing cellular penetration of QT by sterol containing solid lipid nanoparticles (SLNs) which make bilayers fluent for targeting hepatocellular carcinoma cells. Three variables including sterol type (cholesterol, stigmasterol and stigmastanol), drug and sterol content were studied in a surface response D-optimal design for preparation of QT-SLNs by emulsification solvent evaporation method. The studied responses included particle size, zeta potential, drug loading capacity and 24 h release efficiency (RE24%). Scanning electron and atomic force microscopy were used to study the morphology of QT-SLNs and their thermal behavior was studied by DSC analysis. Cytotoxicity of QT-SLNs was determined by MTT assay on HepG-2 cells and cellular uptake by fluorescence microscopy method. Optimized QT-SLNs obtained from cholesterol and QT with the ratio of 2:1 that showed particle size of 78.0 ± 7.0 nm, zeta potential of -22.7 ± 1.3 mV, drug loading efficiency of 99.9 ± 0.5% and RE24 of 56.3 ± 3.4%. IC50 of QT in cholesterol SLNs was about six and two times less than free QT and phytosterol SLNs, respectively, and caused more accumulation of QT in HepG2 cells. Blank phytosterol SLNs were toxic on cells.
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Affiliation(s)
- Jaleh Varshosaz
- Department of Pharmaceutics, Faculty of Pharmacy and Novel Drug Delivery Systems Research Center, Isfahan University of Medical Sciences , Isfahan , Islamic Republic of Iran
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15
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Dou Y, Long P, Dong S, Hao J. Spontaneous transformation of lamellar structures from simple to more complex states. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2013; 29:12901-12908. [PMID: 24070426 DOI: 10.1021/la402993y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Spontaneous transformation of lamellar structures, such as multilamellar vesicles from micelles or unilamellar vesicles, is an important challenge in the field of amphiphile molecules, which may serve as models to understand biologically relevant bilayer membranes. Herein, we report a progressive self-assembly progress of N-tetradecyllactobionamide (C14G2) and tetraethylene glycol monododecyl ether (C12EO4) mixtures in aqueous solution. Increasing temperature or surfactant compositions causes spontaneous transformation from simple to high-level aggregates, i.e., from unilamellar vesicles, to coexisting multilamellar vesicles, terraced planar bilayers, and finally terraced planar bilayers. Deuterium nuclear magnetic resonance ((2)H NMR), freeze-fracture transmission electron microscopy (FF-TEM), and small-angle X-ray scattering (SAXS) measurements clearly demonstrate the spontaneously progressive self-assembly process. The interlamellar spacing (d) of the bilayers decreases from unilamellar vesicles to the terraced planar bilayers with an increase of the temperature or surfactant compositions. Lamellar samples consisting of terraced planar bilayers at higher temperature still show viscoelastic properties, being Bingham fluids, and both the viscoelasticity and yield stress increase with the composition and decrease with the temperature. The spontaneous transformation of the progressive self-assembly progress of C14G2 and C12EO4 aqueous mixtures is due to a balance of three driving forces, hydrophobic interactions, hydrogen bonding, and steric effects.
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Affiliation(s)
- Yingying Dou
- Key Laboratory of Colloid and Interface Chemistry and Key Laboratory of Special Aggregated Materials, Ministry of Education, Shandong University , Jinan, Shandong 250100, People's Republic of China
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Wang W, Luo J, Xu L, Zeng J, Cao L, Dong J, Cai S. Expression of scFv-Mel-Gal4 triple fusion protein as a targeted DNA-carrier inEscherichia Coli. Cell Biochem Funct 2013; 31:698-706. [PMID: 23508530 DOI: 10.1002/cbf.2958] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2012] [Revised: 12/20/2012] [Accepted: 01/02/2013] [Indexed: 11/12/2022]
Affiliation(s)
- Weiyu Wang
- Hospital & Institute of Hepatobiliary Surgery, Chinese PLA General Hospital; Chinese PLA Postgraduate Medical School; Beijing 100853 China
- Department of General Surgery, Tongji Hospital, Tongji Medical College; Huazhong University of Science and Technology; Wuhan 430030 China
| | - Jian Luo
- Department of General Surgery, Tongji Hospital, Tongji Medical College; Huazhong University of Science and Technology; Wuhan 430030 China
| | - Lining Xu
- Hospital & Institute of Hepatobiliary Surgery, Chinese PLA General Hospital; Chinese PLA Postgraduate Medical School; Beijing 100853 China
| | - Jianping Zeng
- Hospital & Institute of Hepatobiliary Surgery, Chinese PLA General Hospital; Chinese PLA Postgraduate Medical School; Beijing 100853 China
| | - Limin Cao
- People's Sino-Russian 21st Century Biotech Research Institute; Changzhou 213164 China
| | - Jiahong Dong
- Hospital & Institute of Hepatobiliary Surgery, Chinese PLA General Hospital; Chinese PLA Postgraduate Medical School; Beijing 100853 China
| | - Shouwang Cai
- Hospital & Institute of Hepatobiliary Surgery, Chinese PLA General Hospital; Chinese PLA Postgraduate Medical School; Beijing 100853 China
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Pu Y, Chang S, Yuan H, Wang G, He B, Gu Z. The anti-tumor efficiency of poly(L-glutamic acid) dendrimers with polyhedral oligomeric silsesquioxane cores. Biomaterials 2013; 34:3658-66. [PMID: 23433775 DOI: 10.1016/j.biomaterials.2013.01.082] [Citation(s) in RCA: 96] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2012] [Accepted: 01/24/2013] [Indexed: 02/08/2023]
Abstract
Peptide dendrimers represent superior drug carriers for their unique nanoarchitectures, excellent degradability and biocompatibility. In this research, poly(L-glutamic acid) dendrimers with polyhedral oligomeric silsesquioxane (POSS) as cores were synthesized. Tumor targeting moiety (biotin) and therapeutic drug doxorubicin (DOX) were immobilized on the dendrimers via pH-sensitive hydrazone bonds. The size distribution and morphology of the drug-dendrimer conjugates were characterized by DLS, AFM, and TEM. The drug release profiles, cellular uptake, in vitro and in vivo anti-tumor activities of the conjugates were investigated. The results revealed that the conjugates aggregated nanoparticles with the size around 100 nm. The drug-dendrimer conjugates could be internalized in mice breast cancer 4T1 cells efficiently. The IC50 of the conjugates was comparable to that of DOX·HCl. The in vivo experiments were carried out in mice xerograft breast cancer models, the results indicated that the inhibition efficiency of the DOX-dendrimer conjugates was much better than that of free DOX·HCl.
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Affiliation(s)
- Yuji Pu
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, China
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Abstract
This position paper discusses progress made and to be made with so-called advanced drug delivery systems, particularly but not exclusively those in the nanometre domain. The paper has resulted from discussions with a number of international experts in the field who shared their views on aspects of the subject, from the nomenclature used for such systems, the sometimes overwrought claims made in the era of nanotechnology, the complex nature of targeting delivery systems to specific destinations in vivo, the need for setting standards for the choice and characterisation of cell lines used in in vitro studies, to attention to the manufacturability, stability and analytical profiling of systems and more relevant studies on toxicology. The historical background to the development of many systems is emphasised. So too is the stochastic nature of many of the steps to successful access to and action in targets. A lacuna in the field is the lack of availability of data on a variety of carrier systems using the same models in vitro and in vivo using standard controls. The paper asserts that greater emphasis must also be paid to the effective levels of active attained in target organs, for without such crucial data it will be difficult for many experimental systems to enter the clinic. This means the use of diagnostic/imaging technologies to monitor targeted drug delivery and stratify patient groups, identifying patients with optimum chances for successful therapy. Last, but not least, the critical importance of the development of science bases for regulatory policies, scientific platforms overseeing the field and new paradigms of financing are discussed.
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Affiliation(s)
- Daan J A Crommelin
- Department of Pharmaceutical Sciences, University of Utrecht, 3511 ME Utrecht, The Netherlands.
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McMahon A, O'Neill MJ, Gomez E, Donohue R, Forde D, Darcy R, O'Driscoll CM. Targeted gene delivery to hepatocytes with galactosylated amphiphilic cyclodextrins. J Pharm Pharmacol 2012; 64:1063-73. [DOI: 10.1111/j.2042-7158.2012.01497.x] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Abstract
Objectives
Achieving targeted delivery of gene medicines is desirable to maximise activity. Here, galactosylated amphiphilic cyclodextrins (CDs) are examined in terms of their ability to transfect asialoglycoprotein receptor-bearing HepG2 cells.
Methods
Cationic amphiphilic CDs were synthesised as well as amphiphilic CDs bearing galactose-targeting ligands with different linker lengths. Binding of galactosylated CDs to a galactose-specific lectin was examined by surface plasmon resonance. CDs were formulated with and without the helper lipid DOPE and complexed with plasmid DNA. Transfection was evaluated by luciferase assay. Intracellular trafficking was assessed by confocal microscopy.
Key findings
Binding of targeted CDs to a galactose-specific lectin was achieved. Binding decreased with linker length between the galactosyl group and the CD core. Contrary to the lectin binding results, transfection levels increased with an increase in linker length from 7 atoms to 15. Compared to non-targeted formulations, a significant increase in transfection was observed only in the presence of the helper lipid DOPE. Confocal microscopy revealed that DOPE caused a pronounced effect on cellular distribution.
Conclusions
The galactose-targeting ligand induced substantial increases in transfection over non-targeted formulations when DOPE was included, indicating the potential for targeted gene delivery using CD-based delivery systems.
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Affiliation(s)
| | - Martin J O'Neill
- Pharmacodelivery Group, School of Pharmacy, University College Cork, Cork, Ireland
| | - Eva Gomez
- Biodiversitat Molecular, Instituto de Biologia Molecular de Barcelona, Barcelona, Spain
| | - Ruth Donohue
- Centre of Synthesis and Chemical Biology, Conway Institute, University College Dublin, Dublin, Ireland
| | - Damien Forde
- Kinerton Ltd, Blanchardstown, Dublin 15, Ireland
| | - Raphael Darcy
- Centre of Synthesis and Chemical Biology, Conway Institute, University College Dublin, Dublin, Ireland
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Lee JH, Lee MJ. Liposome-Mediated Cancer Gene Therapy: Clinical Trials and their Lessons to Stem Cell Therapy. B KOREAN CHEM SOC 2012. [DOI: 10.5012/bkcs.2012.33.2.433] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Lactose-ornithine bolaamphiphiles for efficient gene delivery in vitro. Int J Pharm 2012; 423:392-400. [DOI: 10.1016/j.ijpharm.2011.12.026] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2011] [Accepted: 12/14/2011] [Indexed: 01/25/2023]
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Mohammadi Z, Dorkoosh FA, Hosseinkhani S, Gilani K, Amini T, Najafabadi AR, Tehrani MR. In vivo transfection study of chitosan-DNA-FAP-B nanoparticles as a new non viral vector for gene delivery to the lung. Int J Pharm 2011; 421:183-8. [PMID: 21979252 DOI: 10.1016/j.ijpharm.2011.09.029] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2011] [Revised: 09/20/2011] [Accepted: 09/21/2011] [Indexed: 10/17/2022]
Abstract
Gene therapy targeted at the respiratory epithelium holds therapeutic potential for diseases such as cystic fibrosis and lung cancer. We recently reported that Chitosan-DNA-FAP-B nanoparticles are good candidates for targeted gene delivery to fibronectin molecules (FAP-B receptors) of lung epithelial cell membrane. In this study Chitosan-DNA-FAP-B nanoparticles were nebulized to mice using air jet nebulizer. The effect of nebulization on size, zeta potential and DNA binding ability of nanoparticles were studied. The level of gene expression in the mice lungs was evaluated. Nebulization did not affect the physicochemical properties of nanoparticles. Aerosol delivery of Chitosan-DNA-FAP-B nanoparticles resulted in 16-fold increase of gene expression in the mice lungs compared with Chitosan-DNA nanoparticles. This study suggested that Chitosan-FAP-B nanoparticle can be a promising carrier for targeted gene delivery to the lung.
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Affiliation(s)
- Z Mohammadi
- Department of Pharmaceutics, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
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Kumar S, Ruchi R, James SR, Chidiac EJ. Gene therapy for chronic neuropathic pain: how does it work and where do we stand today? PAIN MEDICINE 2011; 12:808-22. [PMID: 21564510 DOI: 10.1111/j.1526-4637.2011.01120.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
OBJECTIVES Chronic neuropathic pain has been an enigma to physicians and researchers for decades. A better understanding of its pathophysiology has given us more insight into its various mechanisms and possible treatment options. We now have an understanding of the role of various ionic channels, biologically active molecules involved in pain, and also the intricate pain pathways where possible interventions might lead to substantial pain relief. The recent research on laboratory animals using virus-based vectors for gene transfer at targeted sites is very promising and may lead to additional human clinical trials. However, one needs to be aware that this "novel" approach is still in its infancy and that many of its details need to be further elucidated. The purpose of this article is to thoroughly review the current available literature and analyze the deficiencies in our current knowledge. DESIGN Literature review. METHODS After an extensive online literature search, a total of 133 articles were selected to synthesize a comprehensive review about chronic neuropathic pain and gene therapy in order to understand the concepts and mechanisms. RESULTS Most of the studies have shown benefits of gene therapy in animal models, and recently, phase 1 human trials using herpes simplex virus vector have started for intractable cancer pain. CONCLUSION Although animal data have shown safety and efficacy, and initial human trials have been promising, additional studies in humans are required to more completely understand the actual benefits and risks of using gene therapy for the treatment of chronic neuropathic pain.
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Affiliation(s)
- Sanjeev Kumar
- Department of Anesthesiology, Wayne State University/Detroit Medical Center, Harper University Hospital, MI 48201, USA
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Gopal V, Xavier J, Dar GH, Jafurulla M, Chattopadhyay A, Rao NM. Targeted liposomes to deliver DNA to cells expressing 5-HT receptors. Int J Pharm 2011; 419:347-54. [PMID: 21855617 DOI: 10.1016/j.ijpharm.2011.08.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2011] [Revised: 07/30/2011] [Accepted: 08/02/2011] [Indexed: 10/17/2022]
Abstract
Cell targeted delivery of drugs, including nucleic acids, is known to enhance the therapeutic potential of free drugs. We used serotonin (5-HT) as the targeting ligand to deliver plasmid DNA to cells specifically expressing 5-HT receptor. Our liposomal formulation includes the 5-HT conjugated targeting lipid, a cationic lipid and cholesterol. DNA-binding studies indicate that the targeting 5-HT-lipid binds DNA efficiently. The formulation was tested and found to efficiently deliver DNA into CHO cells stably expressing the human serotonin(1A) receptor (CHO-5-HT(1A)R) compared to control CHO cells. Liposomes without the 5-HT moiety were less efficient in both cell lines. Similar enhancement in transfection efficiency was also observed in human neuroblastoma IMR32 and hepatocellular carcinoma (HepG2) cells. Cell uptake studies using CHO-5-HT(1A)R cells by flow cytometry and confocal microscopy clearly indicated that the targeting liposomes through 5-HT moiety may have a direct role in increasing the cellular uptake of DNA-lipid complexes. To our knowledge this is the first report that demonstrates receptor-targeted nucleic acid delivery into cells expressing 5-HT receptor.
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Affiliation(s)
- Vijaya Gopal
- Centre for Cellular and Molecular Biology (A Council of Scientific and Industrial Research Laboratory), Uppal Road, Hyderabad 500007, India
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25
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26
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Functional Polymer Conjugates for Medicinal Nucleic Acid Delivery. POLYMERS IN NANOMEDICINE 2011. [DOI: 10.1007/12_2011_148] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Roth CM, Reiken SR, Le Doux JM, Rajur SB, Lu XM, Morgan JR, Yarmush ML. Targeted antisense modulation of inflammatory cytokine receptors. Biotechnol Bioeng 2009; 55:72-81. [PMID: 18636446 DOI: 10.1002/(sici)1097-0290(19970705)55:1<72::aid-bit9>3.0.co;2-u] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Antisense technology is potentially a powerful means by which to selectively control gene expression. We have used antisense oligonucleotides to modulate the response of the hepatoma cell line, HepG2, to the inflammatory cytokine, IL-6, by inhibiting the expression of its multifunctional signal transducer, gp130. HepG2 cells respond to IL-6 by upregulating acute phase proteins, such as haptoglobin, by five- to tenfold. Gp130 is central to this response, as the upregulation of haptoglobin is almost completely blocked by the addition of high concentrations ( approximately 100 microg/ml) of a monoclonal antibody to gp 130. Antisense oligodeoxynucleotides complementary to the mRNA encoding gp 130 inhibited the upregulation of haptoglobin by IL-6-stimulated HepG2 cells by about 50%. However, a nonsense sequence also inhibited haptoglobin secretion by about 20%. To improve the specificity and efficiency of action, we targeted the antisense oligonucleotides to HepG2 cells using a conjugate of asialoglycoprotein-poly-L-lysine. The targeted antisense reduced the binding of IL-6 to HepG2 cells, virtually eliminating high affinity binding. In addition, it inhibited haptoglobin upregulation by over 70%. Furthermore, the dose of targeted antisense required for biological effect was reduced by about an order of magnitude as compared with unconjugated antisense. These results demonstrate the potential of antisense oligonucleotides as a means to control the acute phase response as well as the need for a greater understanding of the mechanism and dynamics of antisense molecules as they are developed toward therapeutic application.
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Affiliation(s)
- C M Roth
- Center for Engineering in Medicine, and Surgical Services, Massachusetts General Hospital and the Shriners Burns Institute, Bigelow 1401, Boston, Massachusetts 02114, USA
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28
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Lou YL, Peng YS, Chen BH, Wang LF, Leong KW. Poly(ethylene imine)-g-chitosan using EX-810 as a spacer for nonviral gene delivery vectors. J Biomed Mater Res A 2009; 88:1058-68. [DOI: 10.1002/jbm.a.31961] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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29
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M-PEIs nanogels: potential nonviral vector for systemic plasmid delivery to tumor cells. Cancer Gene Ther 2009; 16:561-6. [DOI: 10.1038/cgt.2009.11] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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30
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Letrou-Bonneval E, Chèvre R, Lambert O, Costet P, André C, Tellier C, Pitard B. Galactosylated multimodular lipoplexes for specific gene transfer into primary hepatocytes. J Gene Med 2008; 10:1198-209. [PMID: 18816485 DOI: 10.1002/jgm.1212] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
BACKGROUND Numerous synthetic cationic vectors have been synthesized and are successfully used for in vitro gene transfer but an excess of positive charges can lead to cytotoxicity and does not enable specific transfection. METHODS We decided to develop alternative molecular systems consisting of neutral, colloidally stable bioassemblies equipped with ligands for specific cell targeting. Consequently, we directed our efforts toward the development of a multimodular non-viral gene delivery system consisting of a condensed core of DNA with cationic liposomes of bis(guanidinium)-tren-cholesterol and an external corona of poly(ethylene oxide) stretches harbored by the steric stabilizers used to stabilize lipoplexes colloidally. A ligand capable of cell targeting by receptor-mediated endocytosis was covalently linked at the poly(ethylene oxide) extremity of steric stabilizers. Steric stabilizers were functionalized by a one-step enzymatic galactosylation to develop new supramolecular assemblies of lipoplexes able to target asialoglycoprotein receptors located on primary hepatocytes. RESULTS Cryo-TEM and fluorescence experiments showed that DNA was condensed within lamellar complexes whose size ranged between 100 to 300 nm in diameter. Bis(guanidinium)-tren-cholesterol-DNA lipoplexes, colloidally stabilized by galactosylated steric stabilizers at a galactosylated steric stabilizer/DNA ratio of 300, led to specific transfection of primary hepatocytes whereas ungalactosylated steric stabilizer did not transfect. CONCLUSIONS Our findings confirm the receptor-mediated endocytosis pathway of galactosylated multimodular lipoplexes. Thus, we conclude that the fabrication of a multimodular assembly harboring a ligand without non-specific interaction with cell membranes is possible and a highly promising system to transfect other primary or cultured cells specifically through a receptor-dependent mechanism.
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Kan PL, Gray AI, Tetley L, Converse CA, Schätzlein AG, Uchegbu IF. Tumour gene expression from C12 spermine amphiphile gene delivery systems. J Drug Target 2008; 13:345-57. [PMID: 16278154 DOI: 10.1080/10611860500333700] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Gene therapy requires safe and efficient gene delivery systems. Towards this aim both the gene formulation and tumour transfection ability of C12 spermine amphiphiles were tested. Five amphiphiles were synthesised and characterised: 1-[N,N-bis(3-aminopropyl)-1,4-butane diamine] dodecane (12G0--a C12 spermine amphiphile), a poly(ethylene glycol) (PEG, MW = 2 kDa) derivative of 12G0, 1,12-[N,N-bis(3-aminopropyl)-1,4-butane diamine] dodecane (12G1--a C12 spermine bolaamphiphile) and N-methyl quaternary ammonium derivatives of both 12G0 (12QG0) and 12G1 (12QG1). All amphiphiles except 12G0, which precipitates, yield nanoparticles in aqueous media with and without DNA. Thus when 12G0 is substituted with either quaternary ammonium or PEG groups it forms nanoparticles both with and without DNA. The minimum nitrogen, phosphate ratio required to completely condense DNA (NP) was inversely proportional to the particles' zeta potential (zeta), NP = 1626/zeta(0.98). Biological testing showed that both PEG and quaternary ammonium groups diminished the membrane lytic ability of these C12 amphiphiles. On intratumoural injection, while PEG groups hamper gene transfer, the quaternary ammonium amphiphile (12QG0) produces tumour confined gene expression that is 80% of that produced by linear poly(ethylenimine) (LPEI, MW = 22 kDa); while the intratumoural injection of LPEI produced significant gene expression in the liver and lung, making 12QG0 suitable for the administration of cytotoxic tumouricidal genes.
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Affiliation(s)
- Pei Lee Kan
- University of Strathclyde, Department of Pharmaceutical Sciences, Glasgow, UK
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Compagnon B, Moradpour D, Alford DR, Larsen CE, Stevenson MJ, Mohr L, Wands JR, Nicolau C. Enhanced Gene Delivery and Expression in Human Hepatocellular Carcinoma Cells by Cationic Immunoliposomes. J Liposome Res 2008. [DOI: 10.3109/08982109709035490] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Audrézet MP, Bolch GL, Floch V, Yaouanc JJ, Clément J, des Abbayes H, Mercier B, Paul A, Férec C. Novel Cationic Phosphonolipids Agents for in Vitro Gene Transfer to Epithelial Cell Lines. J Liposome Res 2008. [DOI: 10.3109/08982109709035502] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Wiseman DJ, Cordeiro C, Finlay BB, Webb MS. Monogalactosyldiacylglycerol Confers Fusogenicity to Liposomal Delivery Systems and Facilitates Targeting to Hepatocytes. J Liposome Res 2008. [DOI: 10.3109/08982109909035547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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36
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Kichler A, Frisch B, Souza DLD, Schuber F. Receptor-Mediated Gene Delivery with Non-Viral DNA Carriers. J Liposome Res 2008. [DOI: 10.3109/08982100009031110] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Szoka FC, Xu Y, Zelphati O. How are Nucleic Acids Released in Cells from Cationic Lipid-Nucleic Acid Complexes? J Liposome Res 2008. [DOI: 10.3109/08982109609031137] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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39
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Hofland HE, Sullivan SM. Stable Lipid/DNA Complexes for Intravenous Delivery of Genes. J Liposome Res 2008. [DOI: 10.3109/08982109709035494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Benvegnu T, Lemiègre L, Cammas‐Marion S. Archaeal Lipids: Innovative Materials for Biotechnological Applications. European J Org Chem 2008. [DOI: 10.1002/ejoc.200800452] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Thierry Benvegnu
- UMR CNRS 6226 “Sciences Chimiques de Rennes”, Equipe “Chimie Organique et Supramoléculaire”, Ecole NationaleSupérieure de Chimie de Rennes, Université Européenne de Bretagne, Av. Général Leclerc, 35700 Rennes, France, Fax: +33‐2‐23‐23‐80‐46
| | - Loïc Lemiègre
- UMR CNRS 6226 “Sciences Chimiques de Rennes”, Equipe “Chimie Organique et Supramoléculaire”, Ecole NationaleSupérieure de Chimie de Rennes, Université Européenne de Bretagne, Av. Général Leclerc, 35700 Rennes, France, Fax: +33‐2‐23‐23‐80‐46
| | - Sandrine Cammas‐Marion
- UMR CNRS 6226 “Sciences Chimiques de Rennes”, Equipe “Chimie Organique et Supramoléculaire”, Ecole NationaleSupérieure de Chimie de Rennes, Université Européenne de Bretagne, Av. Général Leclerc, 35700 Rennes, France, Fax: +33‐2‐23‐23‐80‐46
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Fisicaro E, Compari C, Biemmi M, Duce E, Peroni M, Donofrio G, Sansone F, Różycka-Roszak B, Pruchnik H, Barbero N, Viscardi G, Quagliotto P. Thermodynamics and Biological Properties of the Aqueous Solutions of New Glucocationic Surfactants. J Phys Chem B 2008; 112:9360-70. [DOI: 10.1021/jp800470a] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Emilia Fisicaro
- Dipartimento di Scienze Farmacologiche, Biologiche e Chimiche Applicate, Università di Parma, Viale G.P. Usberti, 27/A - 43100 Parma, Italy, Dipartimento di Salute Animale, sezione di Malattie Infettive degli Animali, Università di Parma, Via del Taglio, 8 - 43100 Parma, Italy, Dipartimento di Chimica Organica e Industriale, Università di Parma, Viale G.P. Usberti, 17/A - 43100 Parma, Italy, Department of Physics and Biophysics, Wrocław University of Environmental and Life Sciences, Norwida 25, 50 - 375
| | - Carlotta Compari
- Dipartimento di Scienze Farmacologiche, Biologiche e Chimiche Applicate, Università di Parma, Viale G.P. Usberti, 27/A - 43100 Parma, Italy, Dipartimento di Salute Animale, sezione di Malattie Infettive degli Animali, Università di Parma, Via del Taglio, 8 - 43100 Parma, Italy, Dipartimento di Chimica Organica e Industriale, Università di Parma, Viale G.P. Usberti, 17/A - 43100 Parma, Italy, Department of Physics and Biophysics, Wrocław University of Environmental and Life Sciences, Norwida 25, 50 - 375
| | - Mariano Biemmi
- Dipartimento di Scienze Farmacologiche, Biologiche e Chimiche Applicate, Università di Parma, Viale G.P. Usberti, 27/A - 43100 Parma, Italy, Dipartimento di Salute Animale, sezione di Malattie Infettive degli Animali, Università di Parma, Via del Taglio, 8 - 43100 Parma, Italy, Dipartimento di Chimica Organica e Industriale, Università di Parma, Viale G.P. Usberti, 17/A - 43100 Parma, Italy, Department of Physics and Biophysics, Wrocław University of Environmental and Life Sciences, Norwida 25, 50 - 375
| | - Elenia Duce
- Dipartimento di Scienze Farmacologiche, Biologiche e Chimiche Applicate, Università di Parma, Viale G.P. Usberti, 27/A - 43100 Parma, Italy, Dipartimento di Salute Animale, sezione di Malattie Infettive degli Animali, Università di Parma, Via del Taglio, 8 - 43100 Parma, Italy, Dipartimento di Chimica Organica e Industriale, Università di Parma, Viale G.P. Usberti, 17/A - 43100 Parma, Italy, Department of Physics and Biophysics, Wrocław University of Environmental and Life Sciences, Norwida 25, 50 - 375
| | - Monica Peroni
- Dipartimento di Scienze Farmacologiche, Biologiche e Chimiche Applicate, Università di Parma, Viale G.P. Usberti, 27/A - 43100 Parma, Italy, Dipartimento di Salute Animale, sezione di Malattie Infettive degli Animali, Università di Parma, Via del Taglio, 8 - 43100 Parma, Italy, Dipartimento di Chimica Organica e Industriale, Università di Parma, Viale G.P. Usberti, 17/A - 43100 Parma, Italy, Department of Physics and Biophysics, Wrocław University of Environmental and Life Sciences, Norwida 25, 50 - 375
| | - Gaetano Donofrio
- Dipartimento di Scienze Farmacologiche, Biologiche e Chimiche Applicate, Università di Parma, Viale G.P. Usberti, 27/A - 43100 Parma, Italy, Dipartimento di Salute Animale, sezione di Malattie Infettive degli Animali, Università di Parma, Via del Taglio, 8 - 43100 Parma, Italy, Dipartimento di Chimica Organica e Industriale, Università di Parma, Viale G.P. Usberti, 17/A - 43100 Parma, Italy, Department of Physics and Biophysics, Wrocław University of Environmental and Life Sciences, Norwida 25, 50 - 375
| | - Francesco Sansone
- Dipartimento di Scienze Farmacologiche, Biologiche e Chimiche Applicate, Università di Parma, Viale G.P. Usberti, 27/A - 43100 Parma, Italy, Dipartimento di Salute Animale, sezione di Malattie Infettive degli Animali, Università di Parma, Via del Taglio, 8 - 43100 Parma, Italy, Dipartimento di Chimica Organica e Industriale, Università di Parma, Viale G.P. Usberti, 17/A - 43100 Parma, Italy, Department of Physics and Biophysics, Wrocław University of Environmental and Life Sciences, Norwida 25, 50 - 375
| | - Bożenna Różycka-Roszak
- Dipartimento di Scienze Farmacologiche, Biologiche e Chimiche Applicate, Università di Parma, Viale G.P. Usberti, 27/A - 43100 Parma, Italy, Dipartimento di Salute Animale, sezione di Malattie Infettive degli Animali, Università di Parma, Via del Taglio, 8 - 43100 Parma, Italy, Dipartimento di Chimica Organica e Industriale, Università di Parma, Viale G.P. Usberti, 17/A - 43100 Parma, Italy, Department of Physics and Biophysics, Wrocław University of Environmental and Life Sciences, Norwida 25, 50 - 375
| | - Hanna Pruchnik
- Dipartimento di Scienze Farmacologiche, Biologiche e Chimiche Applicate, Università di Parma, Viale G.P. Usberti, 27/A - 43100 Parma, Italy, Dipartimento di Salute Animale, sezione di Malattie Infettive degli Animali, Università di Parma, Via del Taglio, 8 - 43100 Parma, Italy, Dipartimento di Chimica Organica e Industriale, Università di Parma, Viale G.P. Usberti, 17/A - 43100 Parma, Italy, Department of Physics and Biophysics, Wrocław University of Environmental and Life Sciences, Norwida 25, 50 - 375
| | - Nadia Barbero
- Dipartimento di Scienze Farmacologiche, Biologiche e Chimiche Applicate, Università di Parma, Viale G.P. Usberti, 27/A - 43100 Parma, Italy, Dipartimento di Salute Animale, sezione di Malattie Infettive degli Animali, Università di Parma, Via del Taglio, 8 - 43100 Parma, Italy, Dipartimento di Chimica Organica e Industriale, Università di Parma, Viale G.P. Usberti, 17/A - 43100 Parma, Italy, Department of Physics and Biophysics, Wrocław University of Environmental and Life Sciences, Norwida 25, 50 - 375
| | - Guido Viscardi
- Dipartimento di Scienze Farmacologiche, Biologiche e Chimiche Applicate, Università di Parma, Viale G.P. Usberti, 27/A - 43100 Parma, Italy, Dipartimento di Salute Animale, sezione di Malattie Infettive degli Animali, Università di Parma, Via del Taglio, 8 - 43100 Parma, Italy, Dipartimento di Chimica Organica e Industriale, Università di Parma, Viale G.P. Usberti, 17/A - 43100 Parma, Italy, Department of Physics and Biophysics, Wrocław University of Environmental and Life Sciences, Norwida 25, 50 - 375
| | - Pierluigi Quagliotto
- Dipartimento di Scienze Farmacologiche, Biologiche e Chimiche Applicate, Università di Parma, Viale G.P. Usberti, 27/A - 43100 Parma, Italy, Dipartimento di Salute Animale, sezione di Malattie Infettive degli Animali, Università di Parma, Via del Taglio, 8 - 43100 Parma, Italy, Dipartimento di Chimica Organica e Industriale, Università di Parma, Viale G.P. Usberti, 17/A - 43100 Parma, Italy, Department of Physics and Biophysics, Wrocław University of Environmental and Life Sciences, Norwida 25, 50 - 375
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42
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Kawakami S, Higuchi Y, Hashida M. Nonviral approaches for targeted delivery of plasmid DNA and oligonucleotide. J Pharm Sci 2008; 97:726-45. [PMID: 17823947 DOI: 10.1002/jps.21024] [Citation(s) in RCA: 112] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Successful gene therapy depends on the development of efficient delivery systems. Although pDNA and ODN are novel candidates for nonviral gene therapy, their clinical applications are generally limited owing to their rapid degradation by nucleases in serum and rapid clearance. A great deal of effort had been devoted to developing gene delivery systems, including physical methods and carrier-mediated methods. Both methods could improve transfection efficacy and achieve high gene expression in vitro and in vivo. As for carrier-mediated delivery in vivo, since gene expression depends on the particle size, charge ratio, and interaction with blood components, these factors must be optimized. Furthermore, a lack of cell-selectivity limits the wide application to gene therapy; therefore, the use of ligand-modified carriers is a promising strategy to achieve well-controlled gene expression in target cells. In this review, we will focus on the in vivo targeted delivery of pDNA and ODN using nonviral carriers.
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Affiliation(s)
- Shigeru Kawakami
- Department of Drug Delivery Research, Graduate School of Pharmaceutical Sciences, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan
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43
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Hiratsuka T, Goto M, Kondo Y, Cho CS, Akaike T. Copolymers for Hepatocyte-Specific Targeting Carrying Galactose and Hydrophobic Alkyl Groups. Macromol Biosci 2008; 8:231-8. [DOI: 10.1002/mabi.200700157] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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44
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Singh M, Ariatti M. Cholesteryl cytofectins with primary amino head groups transfect transformed human epithelial cell lines efficiently. Drug Deliv 2008; 15:97-105. [PMID: 18293195 DOI: 10.1080/10717540801905066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Abstract
Two novel cholesterol-based cytofectins containing primary amino head groups, glycylcholesteryl formylhydrazide (MS10) and beta-alanylcholesterylformylhydrazide (MS11), have been prepared and incorporated into unilamellar cationic liposomes in equimolar amounts with dioleoylphosphatidylethanolamine (DOPE) as colipid. Stable lipoplexes were formed with pGL3 DNA which afforded protection to the DNA from serum nuclease digestion. Packing of the DNA was shown by ethidium displacement to be more effective in MS11 lipoplexes. High transfection levels in three human transformed epithelial cell lines HeLa (cervical), SNO (esophageal), HepG2 (hepatocyte-derived), and the murine fibroblast line NIH-3T3 were achieved by both lipoplexes at liposome: DNA ratios of 6:1 and 7:1 ((w)/(w)) corresponding to +/- charge ratios of 1.6:1 and 1.9:1. MS11 lipoplexes, in particular, afforded high transfection activities in the presence of fetal bovine serum.
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Affiliation(s)
- Moganavelli Singh
- Department of Biochemistry, Westville Campus, University of KwaZulu-Natal, Durban, South Africa
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45
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Brard M, Lainé C, Réthoré G, Laurent I, Neveu C, Lemiègre L, Benvegnu T. Synthesis of Archaeal Bipolar Lipid Analogues: A Way to Versatile Drug/Gene Delivery Systems. J Org Chem 2007; 72:8267-79. [PMID: 17914841 DOI: 10.1021/jo071181r] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A synthetic route for the preparation of symmetrical and unsymmetrical archaeal tetraether-like analogues has been described. The syntheses are based upon the elaboration of hemimacrocyclic tetraether lipid cores from versatile building blocks followed by simultaneous or sequential introduction of polar head groups. Functionalizations of the tetraether lipids with neutral lactose or phosphatidylcholine polar heads and cationic glycine betaine moieties were envisaged both to increase membrane stability and to exhibit interactions with charged nucleic acids. Additionally, mannose and lactose triantennary clusters designed as multivalent ligands for selective interaction with lectin-type receptors were also efficiently synthesized for active cell/tissue targeting.
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Affiliation(s)
- Mickaëlle Brard
- UMR CNRS 6226 Sciences Chimiques de Rennes, Equipe Chimie Organique et Supramoléculaire, Ecole Nationale Supérieure de Chimie de Rennes, Av. Général Leclerc, 35700 Rennes, France
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46
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Qi P, Han J, Lu Y, Wang C, Zhu B. A transient three-plasmid expression system for the production of hepatocytes targeting retroviral vectors. Acta Biochim Biophys Sin (Shanghai) 2007; 39:567-74. [PMID: 17687491 DOI: 10.1111/j.1745-7270.2007.00318.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Targeting of retroviral vectors to specific cells was attempted through modifying the surface protein of the murine leukemia viruses (MLVs), but in many cases the protein function was affected, and it is difficult to achieve the targeted delivery. In this study, we have tried to engineer ecotropic Moloney murine leukemia viruses (MoMLV)-based retroviral vectors to transduce hepatocytes. A chimeric envelope (Env) expression plasmid was constructed containing the hepatitis B virus PreS2 peptide fused to aa +1 at the N-terminus of Env. Following simultaneous transfection of pgag-pol, pLEGFP and chimeric env plasmids into 293T cells, helper-free retrovirus stocks with the titer of approximately 10(4) infectious units/ml were achieved at 48 h post-transfection. These pseudotype vectors showed the normal host range of retrovirus, infecting host NIH 3T3 cells, although the efficiency was reduced compared with that of virions carrying wild-type ecotropic MoMLV envelope. In addition, the resultant pseudotype viruses could transduce human hepatoma cells mediated by polymerized human serum albumin with relatively high titers in comparison with those transductions without polymerized human serum albumin. This approach can be used to target hepatocytes selectively.
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Affiliation(s)
- Peng Qi
- Key Laboratory of Ministry of Health for Biotech-Drug, Shandong Medicinal Biotechnology Center, Shandong Academy of Medical Science, Jinan 250062, China
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47
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Thermodynamic properties of aqueous micellar solutions of some new acetylated gluco-cationic surfactants. Colloids Surf A Physicochem Eng Asp 2007. [DOI: 10.1016/j.colsurfa.2006.12.033] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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48
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Handwerger RG, Diamond SL. Biotinylated photocleavable polyethylenimine: capture and triggered release of nucleic acids from solid supports. Bioconjug Chem 2007; 18:717-23. [PMID: 17432825 PMCID: PMC3235741 DOI: 10.1021/bc060280t] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
A biotinylated photocleavable polyethylenimine (B-PC-PEI) was designed and synthesized for the capture and controlled release of nucleic acids from solid supports. B-PC-PEI was synthesized via a three-step reaction process and verified by 1H NMR and mass spectrometry. In aqueous solution, the o-nitrobenzyl group within B-PC-PEI was efficiently cleaved by 5 min of 365 nm light exposure from a distance of 20 cm (9 mW/cm2). When coupled to streptavidin-coated beads, the PEI domain of Cy5-labeled B-PC-PEI was released by 365 nm light exposure. In contrast, a Cy5-labeled biotinylated PEI (B-PEI) was used as a control and negligible fluorescence loss was observed. Cy5-labeled siRNA was electrostatically captured to streptavidin-coated beads preabsorbed with B-PC-PEI or B-PEI, and flow cytometry demonstrated significant loss of fluorescence from the bead surface after 5 min of light exposure only for B-PC-PEI, demonstrating controlled release of siRNA from the bead surface. Finally, the release of the Cy5-labeled siRNA into the supernatant was quantified. The release of Cy5-siRNA into the supernatant was significantly greater after 5 min of light exposure for B-PC-PEI/streptavidin beads compared to 0 min exposure and remained unchanged for B-PEI/streptavidin beads. B-PC-PEI facilitates capture and triggered release of surface-tethered nucleic acids with light exposure and is fully compatible with streptavidin-based applications.
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Affiliation(s)
- Rachel G. Handwerger
- Department of Bioengineering, Institute for Medicine and Engineering, 1024 Vagelos Laboratories, University of Pennsylvania, Philadelphia, PA 19104
| | - Scott L. Diamond
- Department of Bioengineering, Institute for Medicine and Engineering, 1024 Vagelos Laboratories, University of Pennsylvania, Philadelphia, PA 19104
- Department of Chemical and Biomolecular Engineering, Institute for Medicine and Engineering, 1024 Vagelos Laboratories, University of Pennsylvania, Philadelphia, PA 19104
- corresponding author. Tel: 215-573-5702 Fax: 215-573-6815
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49
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Shigeta K, Kawakami S, Higuchi Y, Okuda T, Yagi H, Yamashita F, Hashida M. Novel histidine-conjugated galactosylated cationic liposomes for efficient hepatocyte-selective gene transfer in human hepatoma HepG2 cells. J Control Release 2007; 118:262-70. [PMID: 17267065 DOI: 10.1016/j.jconrel.2006.12.019] [Citation(s) in RCA: 73] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2006] [Revised: 12/13/2006] [Accepted: 12/14/2006] [Indexed: 11/16/2022]
Abstract
To enhance gene transfection to hepatocytes by cationic liposomes, it is necessary to overcome a number of barriers existing in the process from administration to gene expression. Recently we and other group have demonstrated that the escape of plasmid DNA (pDNA)/cationic liposome complexes (lipoplexes) from the endosome to cytoplasm was rate limiting. In this study, to enhance transfection efficiency by promoting the release of lipoplexes from the endosome to cytoplasm, we proposed utilizing the "proton sponge effect". Here, we synthesized a novel pH-sensitive histidine-modified galactosylated cholesterol derivative (Gal-His-C4-Chol), for a more efficient gene delivery to hepatocytes. Liposomes containing Gal-His-C4-Chol showed much greater transfection activity than conventional Gal-C4-Chol liposomes based on a receptor-mediated mechanism in HepG2 cells. Hence, this finding should contribute to the development of gene therapy using cationic liposomes toward their clinical application.
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Affiliation(s)
- Kosuke Shigeta
- Department of Drug Delivery Research, Graduate School of Pharmaceutical Sciences, Kyoto University, 46-29 Yoshida-Shimoadachi, Sakyo-ku, Kyoto 606-8501, Japan
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50
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Dubruel P, Schacht E. Vinyl Polymers as Non-Viral Gene Delivery Carriers: Current Status and Prospects. Macromol Biosci 2006; 6:789-810. [PMID: 17039574 DOI: 10.1002/mabi.200600110] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Since the first application of polymers as non-viral gene delivery systems in 1965 by Vaheri and Pagano using functionalised dextran (A. Vaheri and J. S. Pagano, "Infectious poliovirus RNA: a sensitive method of assay", Virology 1965, 27, 434-6), a large number of different polymers have been developed, studied and compared for application as DNA carriers. Vinyl-based polymers are one type of polymers that have gained considerable interest. The interest in developing this particular type of polymer is partly related to the straightforward way in which large amounts of these polymers can be prepared by radical (co)polymerisation. This opens up a path for establishing a wide range of structure-property relations using polymer libraries. The present review aims to give an overview of past and ongoing research using vinyl-based gene delivery systems. The application of cationic, neutral and zwitterionic polymers as DNA carriers is summarised and discussed. [structure: see text] Chemical structure of DEAE-functionalised dextran.
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Affiliation(s)
- Peter Dubruel
- Polymer Chemistry and Biomaterials Research Group, Ghent University, Krijgslaan 281 (S4 Bis), B-9000 Ghent, Belgium.
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