201
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Zhang X, Wu F, Men K, Huang R, Zhou B, Zhang R, Zou R, Yang L. Modified Fe 3O 4 Magnetic Nanoparticle Delivery of CpG Inhibits Tumor Growth and Spontaneous Pulmonary Metastases to Enhance Immunotherapy. NANOSCALE RESEARCH LETTERS 2018; 13:240. [PMID: 30120629 PMCID: PMC6097979 DOI: 10.1186/s11671-018-2661-8] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Accepted: 08/06/2018] [Indexed: 02/07/2023]
Abstract
As a novel toll-like receptor 9 (TLR9) agonist, synthetic unmethylated cytosine-phosphate-guanine (CpG) oligodeoxynucleotides can stimulate a Th1 immune response and potentially be used as therapeutic agents or vaccine adjuvants for the treatment of cancer. However, some drawbacks of CpG limit their applications, such as rapid elimination by nuclease-mediated degradation and poor cellular uptake. Therefore, repeat high-dose drug administration is required for treatment. In this work, a CpG delivery system based on 3-aminopropyltriethoxysilane (APTES)-modified Fe3O4 nanoparticles (FeNPs) was designed and studied for the first time to achieve better bioactivity of CpG. In our results, we designed FeNP-delivered CpG particles (FeNP/CpG) with a small average size of approximately 50 nm by loading CpG into FeNPs. The FeNP/CpG particle delivery system, with enhanced cell uptake of CpG in bone marrow-derived dendritic cells (BMDCs) in vitro and through intratumoral injection, showed significant antitumor ability by stimulating better humoral and cellular immune responses in C26 colon cancer and 4T1 breast cancer xenograft models in vivo over those of free CpG. Moreover, mice treated by FeNP/CpG particles had delayed tumor growth with an inhibitory rate as high as 94.4%. In addition, approximately 50% of the tumors in the C26 model appeared to regress completely. Similarly, there were lower pulmonary metastases and a 69% tumor inhibitory rate in the 4T1 breast cancer tumor model than those in the untreated controls. In addition to their effectiveness, the easy preparation, safety, and high stability of FeNP/CpG particles also make them an attractive antitumor immunotherapy.
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Affiliation(s)
- Xueyan Zhang
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Fengbo Wu
- Department of Pharmacy, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, China
| | - Ke Men
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Rong Huang
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Bailin Zhou
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Rui Zhang
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Rui Zou
- China West Normal University, No.1 Shi Da Road, Nanchong, 637002, China
| | - Li Yang
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China.
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202
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Perazzolo S, Shireman LM, Koehn J, McConnachie LA, Kraft JC, Shen DD, Ho RJY. Three HIV Drugs, Atazanavir, Ritonavir, and Tenofovir, Coformulated in Drug-Combination Nanoparticles Exhibit Long-Acting and Lymphocyte-Targeting Properties in Nonhuman Primates. J Pharm Sci 2018; 107:3153-3162. [PMID: 30121315 DOI: 10.1016/j.xphs.2018.07.032] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Revised: 07/25/2018] [Accepted: 07/26/2018] [Indexed: 10/28/2022]
Abstract
Drug-combination nanoparticles (DcNPs) administered subcutaneously represent a potential long-acting lymphatic-targeting treatment for HIV infection. The DcNP containing lopinavir (LPV)-ritonavir (RTV)-tenofovir (TFV), Targeted-Long-Acting-Antiretroviral-Therapy product candidate 101 (TLC-ART 101), has shown to provide long-acting lymphocyte-targeting performance in nonhuman primates. To extend the TLC-ART platform, we replaced TLC-ART 101 LPV with second-generation protease inhibitor, atazanavir (ATV). Pharmacokinetics of the ATV-RTV-TFV DcNP was assessed in macaques, in comparison to the equivalent free drug formulation and to the TLC-ART 101. After single subcutaneous administration of the DcNP formulation, ATV, RTV, and TFV concentrations were sustained in plasma for up to 14 days, and in peripheral blood mononuclear cells for 8 to 14 days, compared with 1 to 2 days in those macaques treated with free drug combination. By 1 week, lymph node mononuclear cells showed significant levels for all 3 drugs from DcNPs, whereas the free controls were undetectable. Compared with TLC-ART 101, the ATV-RTV-TFV DcNP exhibited similar lymphocyte-targeted long-acting features for all 3 drugs and similar pharmacokinetics for RTV and TFV, whereas some pharmacokinetic differences were observed for ATV versus LPV. The present study demonstrated the flexibility of the TLC-ART's DcNP platform to include different antiretroviral combinations that produce targeted long-acting effects on both plasma and cells.
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Affiliation(s)
- Simone Perazzolo
- Department of Pharmaceutics, University of Washington, Seattle, Washington 98195
| | - Laura M Shireman
- Department of Pharmaceutics, University of Washington, Seattle, Washington 98195
| | - Josefin Koehn
- Department of Pharmaceutics, University of Washington, Seattle, Washington 98195
| | - Lisa A McConnachie
- Department of Pharmaceutics, University of Washington, Seattle, Washington 98195
| | - John C Kraft
- Department of Pharmaceutics, University of Washington, Seattle, Washington 98195
| | - Danny D Shen
- Department of Pharmaceutics, University of Washington, Seattle, Washington 98195
| | - Rodney J Y Ho
- Department of Pharmaceutics, University of Washington, Seattle, Washington 98195; Department of Bioengineering, University of Washington, Seattle, Washington 98195.
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203
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Galangin-loaded, liver targeting liposomes: Optimization and hepatoprotective efficacy. J Drug Deliv Sci Technol 2018. [DOI: 10.1016/j.jddst.2018.05.034] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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204
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Safety, heart specificity, and therapeutic effect evaluation of Guanfu base A-loaded solid nanolipids in treating arrhythmia. Drug Deliv Transl Res 2018; 8:1471-1482. [DOI: 10.1007/s13346-018-0542-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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205
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Affiliation(s)
- Xuedan He
- University at Buffalo; State University of New York; Buffalo NY 14260 USA
| | - Scott I. Abrams
- Roswell Park Comprehensive Cancer Center; Department of Immunology; Buffalo NY 14263 USA
| | - Jonathan F. Lovell
- University at Buffalo; State University of New York; Buffalo NY 14260 USA
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206
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Scheffler K, Claus C, Stanifer ML, Boulant S, Reibetanz U. Reversible Fusion Proteins as a Tool to Enhance Uptake of Virus-Functionalized LbL Microcarriers. Biomacromolecules 2018; 19:3212-3223. [PMID: 29966082 DOI: 10.1021/acs.biomac.8b00360] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
For the efficient treatment of an increasing number of diseases the development of new therapeutics as well as novel drug delivery systems is essential. Such drug delivery systems (DDS) must not only consider biodegradability and protective packaging but must also target and control the release of active substances, which is one of the most important points in DDS application. We highlight the improvement of these key aspects, the increased interaction rate of Layer-by-Layer (LbL) designed microcarriers as a promising DDS after functionalization with vesicular stomatitis virus (VSV). We make use of the unique conformational reversibility of the fusion protein of VSV as a surface functionalization of LbL microcarriers. This reversibility allows for VSV to be used both as a tool for assembly onto the DDS and as an initiator for an efficient cellular uptake. We could show that the evolutionary optimized viral fusion machinery can be successfully combined with a biophysical DDS for optimization of its cellular interaction.
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Affiliation(s)
- Kira Scheffler
- Institute for Medical Physics and Biophysics, Faculty of Medicine , University of Leipzig , Leipzig , Germany
| | - Claudia Claus
- Institute of Virology, Faculty of Medicine , University of Leipzig , Leipzig , Germany
| | - Megan L Stanifer
- Schaller research group at CellNetworks, Department of Infectious Diseases, Virology , Heidelberg University Hospital , Heidelberg , Germany
| | - Steeve Boulant
- Schaller research group at CellNetworks, Department of Infectious Diseases, Virology , Heidelberg University Hospital , Heidelberg , Germany.,Research Group "Cellular polarity and viral infection" (F140), German Cancer Research Center (DKFZ), Heidelberg , Germany
| | - Uta Reibetanz
- Institute for Medical Physics and Biophysics, Faculty of Medicine , University of Leipzig , Leipzig , Germany
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207
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Hua S, de Matos MBC, Metselaar JM, Storm G. Current Trends and Challenges in the Clinical Translation of Nanoparticulate Nanomedicines: Pathways for Translational Development and Commercialization. Front Pharmacol 2018; 9:790. [PMID: 30065653 PMCID: PMC6056679 DOI: 10.3389/fphar.2018.00790] [Citation(s) in RCA: 479] [Impact Index Per Article: 79.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Accepted: 06/28/2018] [Indexed: 01/02/2023] Open
Abstract
The use of nanotechnology in medicine has the potential to have a major impact on human health for the prevention, diagnosis, and treatment of diseases. One particular aspect of the nanomedicine field which has received a great deal of attention is the design and development of nanoparticulate nanomedicines (NNMs) for drug delivery (i.e., drug-containing nanoparticles). NNMs are intended to deliver drugs via various mechanisms: solubilization, passive targeting, active targeting, and triggered release. The NNM approach aims to increase therapeutic efficacy, decrease the therapeutically effective dose, and/or reduce the risk of systemic side effects. In order to move a NNM from the bench to the bedside, several experimental challenges need to be addressed. This review will discuss the current trends and challenges in the clinical translation of NNMs as well as the potential pathways for translational development and commercialization. Key issues related to the clinical development of NNMs will be covered, including biological challenges, large-scale manufacturing, biocompatibility and safety, intellectual property (IP), government regulations, and overall cost-effectiveness in comparison to current therapies. These factors can impose significant hurdles limiting the appearance of NNMs on the market, irrelevant of whether they are therapeutically beneficial or not.
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Affiliation(s)
- Susan Hua
- Therapeutic Targeting Research Group, School of Biomedical Sciences and Pharmacy, University of Newcastle, Callaghan, NSW, Australia.,Hunter Medical Research Institute, New Lambton Heights, Newcastle, NSW, Australia
| | - Maria B C de Matos
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, Netherlands
| | - Josbert M Metselaar
- Department of Biomaterials Science and Technology, MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente, Enschede, Netherlands.,Department of Experimental Molecular Imaging, RWTH University Clinic Aachen, Aachen, Germany
| | - Gert Storm
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, Netherlands.,Department of Biomaterials Science and Technology, MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente, Enschede, Netherlands.,Imaging Division, University Medical Centre Utrecht, Utrecht, Netherlands
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208
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Monti D, Tampucci S, Zucchetti E, Granchi C, Minutolo F, Piras AM. Effect of Tumor Relevant Acidic Environment in the Interaction of a N-hydroxyindole-2-Carboxylic Derivative with the Phospholipid Bilayer. Pharm Res 2018; 35:175. [PMID: 29987655 DOI: 10.1007/s11095-018-2449-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Accepted: 06/15/2018] [Indexed: 11/24/2022]
Abstract
PURPOSE The inhibitors of the human isoform 5 of lactate dehydrogenase (hLDH5) have attracted growing interest as efficient anti-cancer agents. In the present paper, the interactions between an efficient hLDH5 inhibitor (N-hydroxyindole-2-carboxylic derivative) and lipid bilayers based on dipalmitoylphosphatidylcholine (DPPC) were investigated. Additionally, since interstitial acidification plays a key role in tumor pathogenesis and tumor drug therapy, the effect of acidic pH was assessed and correlated to DPPC/drug interaction. METHODS Four different techniques were used: differential scanning calorimetry, dynamic light scattering, UV-VIS second derivative spectrometry and attenuated total reflection Fourier transformed infrared spectroscopy. RESULTS All techniques concur in highlighting a structural change of lipid assembly, susceptible both to pH change and to the presence of the antitumor compound. Lipid vesicles appeared more compact at the lower pH, since the thermal pre-transition from the lamellar gel phase to the ripple gel phase was absent at pH 7.4 and the infrared analysis revealed a stronger acyl chain packing as well as a different hydration degree. Drug interaction was mainly detected in the lipid region including the ester linkages and the first portion of the acyl chains. Furthermore, a lower drug partitioning was recorded at pH 6.6. CONCLUSIONS The investigated antitumor agent possesses a stable negative charge at the investigated pH values, thus the lower interaction at the acidic pH is mainly ascribable to an environmental effect on lipid assembly. Therefore, drug efficacy under tumor acid conditions may be hampered by the observed lipid membrane constraints, and suggest for the development of suitable prodrugs.
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Affiliation(s)
- Daniela Monti
- Department of Pharmacy, University of Pisa, Via Bonanno 33, 56126, Pisa, Italy
| | - Silvia Tampucci
- Department of Pharmacy, University of Pisa, Via Bonanno 33, 56126, Pisa, Italy
| | - Erica Zucchetti
- Department of Pharmacy, University of Pisa, Via Bonanno 33, 56126, Pisa, Italy
| | - Carlotta Granchi
- Department of Pharmacy, University of Pisa, Via Bonanno 33, 56126, Pisa, Italy
| | - Filippo Minutolo
- Department of Pharmacy, University of Pisa, Via Bonanno 33, 56126, Pisa, Italy
| | - Anna Maria Piras
- Department of Pharmacy, University of Pisa, Via Bonanno 33, 56126, Pisa, Italy.
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209
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A practical framework for implementing Quality by Design to the development of topical drug products: Nanosystem-based dosage forms. Int J Pharm 2018; 548:385-399. [PMID: 29953928 DOI: 10.1016/j.ijpharm.2018.06.052] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Revised: 06/22/2018] [Accepted: 06/23/2018] [Indexed: 01/16/2023]
Abstract
Skin has been increasingly recognized as an important drug administration route with topical formulations, offering a targeted approach for the treatment of several dermatological disorders. The effectiveness of this route is hampered by its natural barrier, the stratum corneum (SC), and hence, different strategies have been investigated to improve percutaneous drug transport. The design of nanodelivery systems, aiming at solving skin delivery issues, have been largely explored, due to their potential to revolutionize dermal therapies, improving therapeutic effectiveness and reducing side effects. Apart from nanosystem benefits, the fulfilment of the reproducibility requirements and quality standards still limit their industrial production. The optimization of nanosystem formulation and manufacturing process is complex, usually involving a large number of variables. Therefore, a science- and risk-oriented approach, such as Quality by Design (QbD) will provide a comprehensive and noteworthy knowledge, yielding high quality drug products without extensive regulatory burden. This review aims to set up the basis for QbD development approach, encompassing preliminary and systematic risk assessments, with critical process parameters (CPPs) and critical material attributes (CMAs) identification, of different nanosystems potentially used in dermal therapies.
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210
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Li Z, Wang Z, Du X, Shi C, Cui X. Sonochemistry-Assembled Stimuli-Responsive Polymer Microcapsules for Drug Delivery. Adv Healthc Mater 2018. [PMID: 29527834 DOI: 10.1002/adhm.201701326] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Stimuli-responsive polymer microcapsules (PMs) fabricated by the sonochemical method have emerged for developing useful drug delivery systems, and the latest developments are mainly focusing on the synthetic strategies and properties such as structure, size, stability, loading capacity, drug delivery, and release. There, the primary attribution of sonochemistry is to offer a simple and practical approach for the preparation of PMs. Structure, size, stability, and properties of PMs are designed mainly according to synthetic materials, implementation schemes, or specific demands. Numerous functionalities of PMs based on different stimuli are demonstrated: targeting motion in a magnetic field or adhering to the living cells with sensitive sites through molecular recognition, and stimuli-triggered release including enzymatic catalysis, chemical reaction as well as physical or mechanical process. The current review discusses the basic principles and mechanisms of stimuli effects, and describes the progress in the application such as targeted drug systems and controlled drug systems, and also gives an outlook on the future challenges and opportunities for drug delivery and theranostics.
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Affiliation(s)
- Zhanfeng Li
- College of Chemistry and Chemical Engineering, Shandong Sino-Japanese Center for Collaborative Research of Carbon Nanomaterials; Laboratory of Fiber Materials and Modern Textile; The Growing Base for State Key Laboratory; Qingdao University; 266071 Qingdao China
| | - Zonghua Wang
- College of Chemistry and Chemical Engineering, Shandong Sino-Japanese Center for Collaborative Research of Carbon Nanomaterials; Laboratory of Fiber Materials and Modern Textile; The Growing Base for State Key Laboratory; Qingdao University; 266071 Qingdao China
| | - Xiaoyu Du
- College of Chemistry and Chemical Engineering, Shandong Sino-Japanese Center for Collaborative Research of Carbon Nanomaterials; Laboratory of Fiber Materials and Modern Textile; The Growing Base for State Key Laboratory; Qingdao University; 266071 Qingdao China
| | - Chao Shi
- College of Chemistry; Jilin University; 130012 Changchun China
| | - Xuejun Cui
- College of Chemistry; Jilin University; 130012 Changchun China
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211
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Almurshedi AS, Radwan M, Omar S, Alaiya AA, Badran MM, Elsaghire H, Saleem IY, Hutcheon GA. A novel pH-sensitive liposome to trigger delivery of afatinib to cancer cells: Impact on lung cancer therapy. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2018.03.024] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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212
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Kimura N, Maeki M, Sato Y, Note Y, Ishida A, Tani H, Harashima H, Tokeshi M. Development of the iLiNP Device: Fine Tuning the Lipid Nanoparticle Size within 10 nm for Drug Delivery. ACS OMEGA 2018; 3:5044-5051. [PMID: 31458718 PMCID: PMC6641893 DOI: 10.1021/acsomega.8b00341] [Citation(s) in RCA: 90] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2018] [Accepted: 04/26/2018] [Indexed: 05/25/2023]
Abstract
The precise size control of the lipid nanoparticle (LNP)-based nanodrug delivery system (DDS) carriers, such as 10 nm size tuning of LNPs, is one major challenge for the development of next-generation nanomedicines. Size-controlled LNPs would realize size-selective tumor targeting and deliver DNA and RNA to target tumor tissues effectively by passing through the stromal cells. Herein, we developed a baffle mixer device named the invasive lipid nanoparticle production device, or iLiNP device for short, which has a simple two-dimensional microchannel and mixer structure, and we achieved the first reported LNP size tuning at 10 nm intervals in the size range from 20 to 100 nm. In comparison with the conventional LNP preparation methods and reported micromixer devices, our iLiNP device showed better LNP size controllability, robustness of device design, and LNP productivity. Furthermore, we prepared 80 nm sized LNPs with encapsulated small interfering RNA (siRNA) using the iLiNP device; these LNPs effectively performed as nano-DDS carriers in an in vivo experiment. We expect iLiNP devices will become novel apparatuses for LNP production in nano-DDS applications.
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Affiliation(s)
- Niko Kimura
- Graduate
School of Chemical Sciences and Engineering, Hokkaido University, Kita 13 Nishi 8, Kita-ku, Sapporo 060-8628, Japan
| | - Masatoshi Maeki
- Division
of Applied Chemistry, Faculty of Engineering, Hokkaido University, Kita 13 Nishi 8, Kita-ku, Sapporo 060-8628, Japan
| | - Yusuke Sato
- Faculty
of Pharmaceutical Sciences, Hokkaido University, Kita 12 Nishi 6, Kita-ku, Sapporo 060-0812, Japan
| | - Yusuke Note
- Faculty
of Pharmaceutical Sciences, Hokkaido University, Kita 12 Nishi 6, Kita-ku, Sapporo 060-0812, Japan
| | - Akihiko Ishida
- Division
of Applied Chemistry, Faculty of Engineering, Hokkaido University, Kita 13 Nishi 8, Kita-ku, Sapporo 060-8628, Japan
| | - Hirofumi Tani
- Division
of Applied Chemistry, Faculty of Engineering, Hokkaido University, Kita 13 Nishi 8, Kita-ku, Sapporo 060-8628, Japan
| | - Hideyoshi Harashima
- Faculty
of Pharmaceutical Sciences, Hokkaido University, Kita 12 Nishi 6, Kita-ku, Sapporo 060-0812, Japan
| | - Manabu Tokeshi
- Division
of Applied Chemistry, Faculty of Engineering, Hokkaido University, Kita 13 Nishi 8, Kita-ku, Sapporo 060-8628, Japan
- ImPACT
Research Center for Advanced Nanobiodevices, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
- Institute
of Innovation for Future Society, Nagoya
University, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan
- Innovative
Research Center for Preventive Medical Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan
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213
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Spicer CD, Jumeaux C, Gupta B, Stevens MM. Peptide and protein nanoparticle conjugates: versatile platforms for biomedical applications. Chem Soc Rev 2018; 47:3574-3620. [PMID: 29479622 PMCID: PMC6386136 DOI: 10.1039/c7cs00877e] [Citation(s) in RCA: 272] [Impact Index Per Article: 45.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Peptide- and protein-nanoparticle conjugates have emerged as powerful tools for biomedical applications, enabling the treatment, diagnosis, and prevention of disease. In this review, we focus on the key roles played by peptides and proteins in improving, controlling, and defining the performance of nanotechnologies. Within this framework, we provide a comprehensive overview of the key sequences and structures utilised to provide biological and physical stability to nano-constructs, direct particles to their target and influence their cellular and tissue distribution, induce and control biological responses, and form polypeptide self-assembled nanoparticles. In doing so, we highlight the great advances made by the field, as well as the challenges still faced in achieving the clinical translation of peptide- and protein-functionalised nano-drug delivery vehicles, imaging species, and active therapeutics.
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Affiliation(s)
- Christopher D Spicer
- Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Scheeles Väg 2, Stockholm, Sweden.
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214
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Danaei M, Dehghankhold M, Ataei S, Hasanzadeh Davarani F, Javanmard R, Dokhani A, Khorasani S, Mozafari MR. Impact of Particle Size and Polydispersity Index on the Clinical Applications of Lipidic Nanocarrier Systems. Pharmaceutics 2018; 10:E57. [PMID: 29783687 PMCID: PMC6027495 DOI: 10.3390/pharmaceutics10020057] [Citation(s) in RCA: 1865] [Impact Index Per Article: 310.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2018] [Revised: 05/15/2018] [Accepted: 05/17/2018] [Indexed: 02/07/2023] Open
Abstract
Lipid-based drug delivery systems, or lipidic carriers, are being extensively employed to enhance the bioavailability of poorly-soluble drugs. They have the ability to incorporate both lipophilic and hydrophilic molecules and protecting them against degradation in vitro and in vivo. There is a number of physical attributes of lipid-based nanocarriers that determine their safety, stability, efficacy, as well as their in vitro and in vivo behaviour. These include average particle size/diameter and the polydispersity index (PDI), which is an indication of their quality with respect to the size distribution. The suitability of nanocarrier formulations for a particular route of drug administration depends on their average diameter, PDI and size stability, among other parameters. Controlling and validating these parameters are of key importance for the effective clinical applications of nanocarrier formulations. This review highlights the significance of size and PDI in the successful design, formulation and development of nanosystems for pharmaceutical, nutraceutical and other applications. Liposomes, nanoliposomes, vesicular phospholipid gels, solid lipid nanoparticles, transfersomes and tocosomes are presented as frequently-used lipidic drug carriers. The advantages and limitations of a range of available analytical techniques used to characterize lipidic nanocarrier formulations are also covered.
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Affiliation(s)
- M Danaei
- Australasian Nanoscience and Nanotechnology Initiative, 8054 Monash University LPO, Clayton, Victoria 3168, Australia.
| | - M Dehghankhold
- Australasian Nanoscience and Nanotechnology Initiative, 8054 Monash University LPO, Clayton, Victoria 3168, Australia.
| | - S Ataei
- Australasian Nanoscience and Nanotechnology Initiative, 8054 Monash University LPO, Clayton, Victoria 3168, Australia.
| | - F Hasanzadeh Davarani
- Australasian Nanoscience and Nanotechnology Initiative, 8054 Monash University LPO, Clayton, Victoria 3168, Australia.
| | - R Javanmard
- Australasian Nanoscience and Nanotechnology Initiative, 8054 Monash University LPO, Clayton, Victoria 3168, Australia.
| | - A Dokhani
- Australasian Nanoscience and Nanotechnology Initiative, 8054 Monash University LPO, Clayton, Victoria 3168, Australia.
| | - S Khorasani
- Australasian Nanoscience and Nanotechnology Initiative, 8054 Monash University LPO, Clayton, Victoria 3168, Australia.
| | - M R Mozafari
- Australasian Nanoscience and Nanotechnology Initiative, 8054 Monash University LPO, Clayton, Victoria 3168, Australia.
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215
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Wong P, Li L, Chea J, Delgado MK, Poku E, Szpikowska B, Bowles N, Minnix M, Colcher D, Wong JYC, Shively JE, Yazaki PJ. Synthesis, Positron Emission Tomography Imaging, and Therapy of Diabody Targeted Drug Lipid Nanoparticles in a Prostate Cancer Murine Model. Cancer Biother Radiopharm 2018; 32:247-257. [PMID: 28910151 DOI: 10.1089/cbr.2017.2253] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
The blood clearance of chemotherapeutic drugs such as doxorubicin (Dox) can be extended by incorporation into lipid nanoparticles (LNPs) and further improved by tumor targeting with antibody fragments. We used positron emission tomography (PET) imaging in a murine prostate cancer model to evaluate tumor targeting of LNPs incorporating Dox and antiprostate-specific membrane antigen (PSMA) diabodies. Dox-LNPs were generated by mixing or covalent attachment to water soluble distearoylphosphatidyl ethanolamine-polyethylene glycol (DSPE-PEG)2000. Cu-64 PET imaging was performed with DOTA-conjugated Dox, PEG-LNP, or an anti-PSMA site-specific cysteine-diabody. Since the mixture Dox+PEG-LNP was unstable in serum, further studies utilized Dox covalently bound to LNP ± covalently bound DOTA-cys-diabody (cys-DB)-LNP. Blood clearance of covalent Dox-PEG-LNP was slower than Dox alone or Dox+PEG-LNP. PET imaging of 64Cu-DOTA-Dox-PEG-LNP reached a maximum of 10% ID/g in tumors compared with 3% ID/g of 64Cu-DOTA-Dox, due to the prolonged blood clearance. Mixing 64Cu-DOTA-cys-DB-PEG-LNP with covalent Dox-PEG-LNP gave LNPs containing both drug and tumor targeting cys-DB. The mixed LNPs exhibited increased tumor uptake (15% ID/g) versus untargeted 64Cu-DOTA-Dox-PEG-LNPs (10% ID/g) demonstrating feasibility of the approach. Based on these results, a therapy study with mixed LNPs containing cys-DB-LNP and either Dox-LNP or the antitubulin drug auristatin-LNP showed significant reduction of tumor growth with the auristatin-diabody-LNP mixture, but not the Dox-diabody-LNP mixture.
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Affiliation(s)
- Patty Wong
- 1 Department of Radiation Oncology, City of Hope National Medical Center , Duarte, California
| | - Lin Li
- 2 Department of Molecular Immunology, Beckman Research Institute , City of Hope, Duarte, California
| | - Junie Chea
- 2 Department of Molecular Immunology, Beckman Research Institute , City of Hope, Duarte, California
| | - Melissa K Delgado
- 2 Department of Molecular Immunology, Beckman Research Institute , City of Hope, Duarte, California
| | - Erasmus Poku
- 2 Department of Molecular Immunology, Beckman Research Institute , City of Hope, Duarte, California
| | - Barbara Szpikowska
- 2 Department of Molecular Immunology, Beckman Research Institute , City of Hope, Duarte, California
| | - Nicole Bowles
- 2 Department of Molecular Immunology, Beckman Research Institute , City of Hope, Duarte, California
| | - Megan Minnix
- 2 Department of Molecular Immunology, Beckman Research Institute , City of Hope, Duarte, California
| | - David Colcher
- 2 Department of Molecular Immunology, Beckman Research Institute , City of Hope, Duarte, California
| | - Jeffrey Y C Wong
- 1 Department of Radiation Oncology, City of Hope National Medical Center , Duarte, California
| | - John E Shively
- 2 Department of Molecular Immunology, Beckman Research Institute , City of Hope, Duarte, California
| | - Paul J Yazaki
- 2 Department of Molecular Immunology, Beckman Research Institute , City of Hope, Duarte, California
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216
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Bnyan R, Khan I, Ehtezazi T, Saleem I, Gordon S, O'Neill F, Roberts M. Surfactant Effects on Lipid-Based Vesicles Properties. J Pharm Sci 2018; 107:1237-1246. [DOI: 10.1016/j.xphs.2018.01.005] [Citation(s) in RCA: 99] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Revised: 12/19/2017] [Accepted: 01/03/2018] [Indexed: 11/26/2022]
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217
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Gao Y, Kraft JC, Yu D, Ho RJY. Recent developments of nanotherapeutics for targeted and long-acting, combination HIV chemotherapy. Eur J Pharm Biopharm 2018; 138:75-91. [PMID: 29678735 DOI: 10.1016/j.ejpb.2018.04.014] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Revised: 04/12/2018] [Accepted: 04/16/2018] [Indexed: 01/20/2023]
Abstract
Combination antiretroviral therapy (cART) given orally has transformed HIV from a terminal illness to a manageable chronic disease. Yet despite the recent development of newer and more potent drugs for cART and suppression of virus in blood to undetectable levels, residual virus remains in tissues. Upon stopping cART, virus rebounds and progresses to AIDS. Current oral cART regimens have several drawbacks including (1) challenges in patient adherence due to pill fatigue or side-effects, (2) the requirement of life-long daily drug intake, and (3) limited penetration and retention in cells within lymph nodes. Appropriately designed injectable nano-drug combinations that are long-acting and retained in HIV susceptible cells within lymph nodes may address these challenges. While a number of nanomaterials have been investigated for delivery of HIV drugs and drug combinations, key challenges involve developing and scaling delivery systems that provide a drug combination targeted to HIV host cells and tissues where residual virus persists. With validation of the drug-insufficiency hypothesis in lymph nodes, progress has been made in the development of drug combination nanoparticles that are long-acting and targeted to lymph nodes and cells. Unique drug combination nanoparticles (DcNPs) composed of three HIV drugs-lopinavir, ritonavir, and tenofovir-have been shown to provide enhanced drug levels in lymph nodes; and elevated drug-combination levels in HIV-host cells in the blood and plasma for two weeks. This review summarizes the progress in the development of nanoparticle-based drug delivery systems for HIV therapy. It discusses how injectable nanocarriers may be designed to enable delivery of drug combinations that are long-lasting and target-selective in physiological contexts (in vivo) to provide safe and effective use. Consistent drug combination exposure in the sites of residual HIV in tissues and cells may overcome drug insufficiency observed in patients on oral cART.
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Affiliation(s)
- Yu Gao
- Cancer Metastasis Alert and Prevention Center, and Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, College of Chemistry, Fuzhou University, Fuzhou 350108, China; Department of Pharmaceutics, University of Washington, Seattle, WA 98195, United States
| | - John C Kraft
- Department of Pharmaceutics, University of Washington, Seattle, WA 98195, United States
| | - Danni Yu
- Department of Pharmaceutics, University of Washington, Seattle, WA 98195, United States
| | - Rodney J Y Ho
- Department of Pharmaceutics, University of Washington, Seattle, WA 98195, United States; Department of Bioengineering, University of Washington, Seattle, WA 98195, United States.
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218
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Xiang S, Sarem M, Shah S, Shastri VP. Liposomal Treatment of Cancer Cells Modulates Uptake Pathway of Polymeric Nanoparticles by Altering Membrane Stiffness. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:e1704245. [PMID: 29460335 DOI: 10.1002/smll.201704245] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 01/03/2018] [Indexed: 06/08/2023]
Abstract
Nanomedicines can be taken up by cells via nonspecific and dynamin-dependent (energy-dependent) clathrin and caveolae-mediated endocytosis. While significant effort has focused on targeting pathway-specific transporters, the role of nanobiophysics in the cell lipid bilayer nanoparticle uptake pathway remains largely unexplored. In this study, it is demonstrated that stiffness of lipid bilayer is a key determinant of uptake of liposomes by mammalian cells. Dynamin-mediated endocytosis (DME) of liposomes is found to correlate with its phase behavior, with transition toward solid phase promoting DME, and transition toward fluidic phase resulting in dynamin-independent endocytosis. Since liposomes can transfer lipids to cell membrane, it is sought to engineer the biophysical properties of the membrane of breast epithelial tumor cells (MD-MBA-231) by treatment with phosphatidylcholine liposomes, and elucidate its effect on the uptake of polymeric nanoparticles. Analysis of the giant plasma membrane vesicles derived from treated cells using flicker spectroscopy reveals that liposome treatment alters membrane stiffness and DME of nanoparticles. Since liposomes have a history of use in drug delivery, localized priming of tumors with liposomes may present a hitherto unexploited means of targeting tumors based on biophysical interactions.
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Affiliation(s)
- Shengnan Xiang
- Institute for Macromolecular Chemistry, University of Freiburg, 79104, Freiburg, Germany
| | - Melika Sarem
- Institute for Macromolecular Chemistry, University of Freiburg, 79104, Freiburg, Germany
- BIOSS Centre for Biological Signaling Studies, University of Freiburg, 79104, Freiburg, Germany
- Helmholtz Virtual Institute on Multifunctional Biomaterials for Medicine, Kantstr. 55, 14513, Teltow, Germany
| | - Samveg Shah
- Institute for Macromolecular Chemistry, University of Freiburg, 79104, Freiburg, Germany
| | - V Prasad Shastri
- Institute for Macromolecular Chemistry, University of Freiburg, 79104, Freiburg, Germany
- BIOSS Centre for Biological Signaling Studies, University of Freiburg, 79104, Freiburg, Germany
- Helmholtz Virtual Institute on Multifunctional Biomaterials for Medicine, Kantstr. 55, 14513, Teltow, Germany
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219
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Ghosh S, Mukherjee B, Chaudhuri S, Roy T, Mukherjee A, Sengupta S. Methotrexate Aspasomes Against Rheumatoid Arthritis: Optimized Hydrogel Loaded Liposomal Formulation with In Vivo Evaluation in Wistar Rats. AAPS PharmSciTech 2018; 19:1320-1336. [PMID: 29340978 DOI: 10.1208/s12249-017-0939-2] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Accepted: 12/12/2017] [Indexed: 02/03/2023] Open
Abstract
Aspasomes of methotrexate with antioxidant, ascorbyl palmitate, were developed and optimized using factorial design by varying parameters such as lipid molar ratio, drug to lipid molar ratio, and type of hydration buffer for transdermal delivery for disease modifying activity in rheumatoid arthritis (RA). Aspasomes were characterized by drug-excipients interaction, particle size analysis, determination of zeta potential, entrapment efficiency, and surface properties. The best formulation was loaded into hydrogel for evaluation of in vitro drug release and tested in vivo against adjuvant induced arthritis model in wistar rats, by assessing various physiological, biochemical, hematological, and histopathological parameters. Optimized aspasome formulation exhibited smooth surface with particle size 386.8 nm, high drug loading (19.41%), negative surface potential, and controlled drug release in vitro over 24 h with a steady permeation rate. Transdermal application of methotrexate-loaded aspasome hydrogel for 12 days reduced rat paw diameter (21.25%), SGOT (40.43%), SGPT (54.75%), TNFα (33.99%), IL β (34.79%), cartilage damage (84.41%), inflammation (82.37%), panus formation (84.38%), and bone resorption (80.52%) as compared to arthritic control rats. Free methotrexate-treated group showed intermediate effects. However, drug-free aspasome treatment did not show any effect. The experimental results indicate a positive outcome in development of drug-loaded therapeutically active carrier system which presents a non-invasive controlled release transdermal formulation with good drug loading, drug permeation rate, and having better disease modifications against RA than the free drug, thereby providing a more attractive therapeutic strategy for rheumatoid disease management.
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220
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Sanjay ST, Zhou W, Dou M, Tavakoli H, Ma L, Xu F, Li X. Recent advances of controlled drug delivery using microfluidic platforms. Adv Drug Deliv Rev 2018; 128:3-28. [PMID: 28919029 PMCID: PMC5854505 DOI: 10.1016/j.addr.2017.09.013] [Citation(s) in RCA: 170] [Impact Index Per Article: 28.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Revised: 08/11/2017] [Accepted: 09/13/2017] [Indexed: 12/13/2022]
Abstract
Conventional systematically-administered drugs distribute evenly throughout the body, get degraded and excreted rapidly while crossing many biological barriers, leaving minimum amounts of the drugs at pathological sites. Controlled drug delivery aims to deliver drugs to the target sites at desired rates and time, thus enhancing the drug efficacy, pharmacokinetics, and bioavailability while maintaining minimal side effects. Due to a number of unique advantages of the recent microfluidic lab-on-a-chip technology, microfluidic lab-on-a-chip has provided unprecedented opportunities for controlled drug delivery. Drugs can be efficiently delivered to the target sites at desired rates in a well-controlled manner by microfluidic platforms via integration, implantation, localization, automation, and precise control of various microdevice parameters. These features accordingly make reproducible, on-demand, and tunable drug delivery become feasible. On-demand self-tuning dynamic drug delivery systems have shown great potential for personalized drug delivery. This review presents an overview of recent advances in controlled drug delivery using microfluidic platforms. The review first briefly introduces microfabrication techniques of microfluidic platforms, followed by detailed descriptions of numerous microfluidic drug delivery systems that have significantly advanced the field of controlled drug delivery. Those microfluidic systems can be separated into four major categories, namely drug carrier-free micro-reservoir-based drug delivery systems, highly integrated carrier-free microfluidic lab-on-a-chip systems, drug carrier-integrated microfluidic systems, and microneedles. Microneedles can be further categorized into five different types, i.e. solid, porous, hollow, coated, and biodegradable microneedles, for controlled transdermal drug delivery. At the end, we discuss current limitations and future prospects of microfluidic platforms for controlled drug delivery.
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Affiliation(s)
- Sharma T. Sanjay
- Department of Chemistry, University of Texas at El Paso, 500 West University Ave, El Paso, Texas, 79968, USA, Richland, Washington, 99354, USA
| | - Wan Zhou
- Department of Chemistry, University of Texas at El Paso, 500 West University Ave, El Paso, Texas, 79968, USA, Richland, Washington, 99354, USA
| | - Maowei Dou
- Department of Chemistry, University of Texas at El Paso, 500 West University Ave, El Paso, Texas, 79968, USA, Richland, Washington, 99354, USA
- Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory
| | - Hamed Tavakoli
- Department of Chemistry, University of Texas at El Paso, 500 West University Ave, El Paso, Texas, 79968, USA, Richland, Washington, 99354, USA
| | - Lei Ma
- Department of Chemistry, University of Texas at El Paso, 500 West University Ave, El Paso, Texas, 79968, USA, Richland, Washington, 99354, USA
| | - Feng Xu
- Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an 710049, P.R. China
| | - XiuJun Li
- Department of Chemistry, University of Texas at El Paso, 500 West University Ave, El Paso, Texas, 79968, USA, Richland, Washington, 99354, USA
- Border Biomedical Research Center, University of Texas at El Paso, 500 West University Ave, El Paso, Texas, 79968, USA, Richland, Washington, 99354, USA
- Biomedical Engineering, University of Texas at El Paso, 500 West University Ave, El Paso, Texas, 79968, USA, Richland, Washington, 99354, USA
- Environmental Science and Engineering, University of Texas at El Paso, 500 West University Ave, El Paso, Texas, 79968, USA, Richland, Washington, 99354, USA
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221
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Ibrahim S, Tagami T, Ozeki T. Effective-Loading of Platinum-Chloroquine into PEGylated Neutral and Cationic Liposomes as a Drug Delivery System for Resistant Malaria Parasites. Biol Pharm Bull 2018; 40:815-823. [PMID: 28566625 DOI: 10.1248/bpb.b16-00914] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The trans platinum-chloroquine diphosphate dichloride (PtCQ) is a new type of antimalarial drug used to fight parasites resistant to traditional drugs. PtCQ is synthesized by mixing platinum and chloroquine diphosphate (CQ). This study examines two efficient methods for forming a nanodrug, PtCQ-loaded liposomes, for use as a potential antimalarial drug-delivery system: the thin drug-lipid film method to incorporate the drug into a liposomal membrane, and a remote-loading method to load the drug into the interior of a cationic liposome. The membranes accordingly comprised PEGylated neutral or cationic liposomes. PtCQ was efficiently loaded into PEGylated neutral and cationic liposomes using the thin drug-lipid film method (encapsulation efficiency, EE: 76.1±6.7% for neutral liposomes, 1 : 14 drug-to-lipid weight ratio; 70.4±9.8% for cationic liposomes, 1 : 14 drug-to-lipid weight ratio). More PtCQ was loaded into PEGylated neutral liposomes using the remote-loading method than by the thin drug-lipid film method and the EE was maximum (96.1±4.5% for neutral liposomes, 1 : 7 (w/w)). PtCQ was encapsulated in PEGylated cationic liposomes comprising various amounts of cationic lipids (0-20 mol%; EE: 96.9-92.3%) using the remote-loading method. PEGylated neutral liposomes and cationic liposomes exhibited minimum leakage of PtCQ after two months' storage at 4°C, and further exhibited little release under in vitro culture conditions at 37°C for 72 h. These results provide a useful framework for the design of future liposome-based in vivo drug delivery systems targeting the malaria parasite.
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Affiliation(s)
- Shaimaa Ibrahim
- Drug Delivery and Nano Pharmaceutics, Graduate School of Pharmaceutical Sciences, Nagoya City University
| | - Tatsuaki Tagami
- Drug Delivery and Nano Pharmaceutics, Graduate School of Pharmaceutical Sciences, Nagoya City University
| | - Tetsuya Ozeki
- Drug Delivery and Nano Pharmaceutics, Graduate School of Pharmaceutical Sciences, Nagoya City University
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222
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Li H, Chen Y, Li Z, Li X, Jin Q, Ji J. Hemoglobin as a Smart pH-Sensitive Nanocarrier To Achieve Aggregation Enhanced Tumor Retention. Biomacromolecules 2018; 19:2007-2013. [DOI: 10.1021/acs.biomac.8b00241] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Huan Li
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Yangjun Chen
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Zuhong Li
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Xu Li
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Qiao Jin
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Jian Ji
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
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223
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Stimuli-responsive nanocarriers for delivery of bone therapeutics – Barriers and progresses. J Control Release 2018; 273:51-67. [DOI: 10.1016/j.jconrel.2018.01.021] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 01/21/2018] [Accepted: 01/22/2018] [Indexed: 12/21/2022]
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224
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Yang Y, Hong Y, Cho E, Kim GB, Kim IS. Extracellular vesicles as a platform for membrane-associated therapeutic protein delivery. J Extracell Vesicles 2018; 7:1440131. [PMID: 29535849 PMCID: PMC5844050 DOI: 10.1080/20013078.2018.1440131] [Citation(s) in RCA: 150] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Accepted: 02/07/2018] [Indexed: 02/08/2023] Open
Abstract
Membrane proteins are of great research interest, particularly because they are rich in targets for therapeutic application. The suitability of various membrane proteins as targets for therapeutic formulations, such as drugs or antibodies, has been studied in preclinical and clinical studies. For therapeutic application, however, a protein must be expressed and purified in as close to its native conformation as possible. This has proven difficult for membrane proteins, as their native conformation requires the association with an appropriate cellular membrane. One solution to this problem is to use extracellular vesicles as a display platform. Exosomes and microvesicles are membranous extracellular vesicles that are released from most cells. Their membranes may provide a favourable microenvironment for membrane proteins to take on their proper conformation, activity, and membrane distribution; moreover, membrane proteins can cluster into microdomains on the surface of extracellular vesicles following their biogenesis. In this review, we survey the state-of-the-art of extracellular vesicle (exosome and small-sized microvesicle)-based therapeutics, evaluate the current biological understanding of these formulations, and forecast the technical advances that will be needed to continue driving the development of membrane protein therapeutics.
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Affiliation(s)
- Yoosoo Yang
- Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea
- Division for Bio-Medical Science & Technology, KIST School, Korea University of Science and Technology, Seoul, Republic of Korea
| | - Yeonsun Hong
- Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, Republic of Korea
| | - Eunji Cho
- Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, Republic of Korea
| | - Gi Beom Kim
- Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, Republic of Korea
| | - In-San Kim
- Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, Republic of Korea
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225
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Shen Z, Ye H, Kröger M, Li Y. Self-assembled core-polyethylene glycol-lipid shell nanoparticles demonstrate high stability in shear flow. Phys Chem Chem Phys 2018; 19:13294-13306. [PMID: 28492653 DOI: 10.1039/c7cp01530e] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
A core-polyethylene glycol-lipid shell (CPLS) nanoparticle consists of an inorganic core coated with polyethylene glycol (PEG) polymers, surrounded by a lipid bilayer shell. It can be self-assembled from a PEGylated core with surface-tethered PEG chains, where all the distal ends are covalently bonded to lipid molecules. Upon adding free lipids, a complete lipid bilayer shell can be formed on the surface driven by the hydrophobic nature of lipid tails, leading to the formation of a CPLS nanoparticle. The stability of CPLS nanoparticles in shear flow has been systematically studied through large scale dissipative particle dynamics simulations. CPLS nanoparticles demonstrate higher stability and less deformation in shear flow, compared with lipid vesicles. Burst leakage of drug molecules inside lipid vesicles and CPLS NPs can be induced by the large pores at their tips. These pores are initiated by the maximum stress in the waist region. It further grows along with the tank-treading motion of vesicles or CPLS NPs in shear flow. However, due to the constraints applied by PEG polymers, CPLS NPs are less deformed than vesicles with comparable size under the same flow conditions. Thus, the less deformed CPLS NPs express a smaller maximum stress at waists, demonstrating higher stability. Pore formation at waists, evolving into large pores on vesicles, leads to the burst leakage of drug molecules and complete rupture of vesicles. In contrast, although similar drug leakage in CPLS nanoparticles can occur at high shear rates, pores initiated at moderate shear rates tend to be short-lived and close due to the constraints mediated by PEG polymers. This kind of 'self-healing' capability can be observed over a wide range of shear rates for CPLS nanoparticles. Our results suggest self-assembled CPLS nanoparticles to exhibit high stability during blood circulation without rapid drug leakage. These features make CPLS nanoparticles candidates for a promising drug delivery platform.
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Affiliation(s)
- Zhiqiang Shen
- Department of Mechanical Engineering and Institute of Materials Science, University of Connecticut, Storrs, CT 06269, USA.
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226
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Targeted drug delivery for tumor therapy inside the bone marrow. Biomaterials 2018; 155:191-202. [DOI: 10.1016/j.biomaterials.2017.11.029] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Revised: 10/26/2017] [Accepted: 11/21/2017] [Indexed: 12/18/2022]
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227
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Shen Y, Hao T, Ou S, Hu C, Chen L. Applications and perspectives of nanomaterials in novel vaccine development. MEDCHEMCOMM 2018; 9:226-238. [PMID: 30108916 PMCID: PMC6083789 DOI: 10.1039/c7md00158d] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Accepted: 10/17/2017] [Indexed: 01/22/2023]
Abstract
Vaccines show great potential for both prophylactic and therapeutic use in infections, cancer, and other diseases. With the rapid development of bio-technologies and materials sciences, nanomaterials are playing essential roles in novel vaccine formulations and can boost antigen effectiveness by operating as delivery systems to enhance antigen processing and/or as immune-potentiating adjuvants to induce or potentiate immune responses. The effect of nanoparticles in vaccinology showed enhanced antigen stability and immunogenicity as well as targeted delivery and slow release. However, obstacles remain due to the lack of fundamental knowledge on the detailed molecular working mechanism and in vivo bio-effects of nanoparticles. This review provides a broad overview of the current improvements in nanoparticles in vaccinology. Modern nanoparticle vaccines are classified by the nanoparticles' action based on either delivery system or immune potentiator approaches. The mechanisms of interaction of nanoparticles with the antigens and the immune system are discussed. Nanoparticle vaccines approved for use are also listed. A fundamental understanding of the in vivo bio-distribution and the fate of nanoparticles will accelerate the rational design of new nanoparticles comprising vaccines in the future.
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Affiliation(s)
- Yingbin Shen
- Department of Food Science and Engineering , School of Science and Engineering , Jinan University , Guangzhou 510632 , Guangdong , China . ; ; ; ; ; ; Tel: +86 138 801 32918
| | - Tianyao Hao
- Department of Food Science and Engineering , School of Science and Engineering , Jinan University , Guangzhou 510632 , Guangdong , China . ; ; ; ; ; ; Tel: +86 138 801 32918
| | - Shiyi Ou
- Department of Food Science and Engineering , School of Science and Engineering , Jinan University , Guangzhou 510632 , Guangdong , China . ; ; ; ; ; ; Tel: +86 138 801 32918
| | - Churan Hu
- Department of Food Science and Engineering , School of Science and Engineering , Jinan University , Guangzhou 510632 , Guangdong , China . ; ; ; ; ; ; Tel: +86 138 801 32918
| | - Long Chen
- Department of Food Science and Engineering , School of Science and Engineering , Jinan University , Guangzhou 510632 , Guangdong , China . ; ; ; ; ; ; Tel: +86 138 801 32918
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228
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Chen L, Zang F, Wu H, Li J, Xie J, Ma M, Gu N, Zhang Y. Using PEGylated magnetic nanoparticles to describe the EPR effect in tumor for predicting therapeutic efficacy of micelle drugs. NANOSCALE 2018; 10:1788-1797. [PMID: 29308812 DOI: 10.1039/c7nr08319j] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Micelle drugs based on a polymeric platform offer great advantages over liposomal drugs for tumor treatment. Although nearly all of the nanomedicines approved in the clinical use can passively target to the tumor tissues on the basis of an enhanced permeability and retention (EPR) effect, the nanodrugs have shown heterogenous responses in the patients. This phenomenon may be traced back to the EPR effect of tumor, which is extremely variable in the individuals from extensive studies. Nevertheless, there is a lack of experimental data describing the EPR effect and predicting its impact on therapeutic efficacy of nanoagents. Herein, we developed 32 nm magnetic iron oxide nanoparticles (MION) as a T2-weighted contrast agent to describe the EPR effect of each tumor by in vivo magnetic resonance imaging (MRI). The MION were synthesized by a thermal decomposition method and modified with DSPE-PEG2000 for biological applications. The PEGylated MION (Fe3O4@PEG) exhibited high r2 of 571 mM-1 s-1 and saturation magnetization (Ms) of 94 emu g-1 Fe as well as long stability and favorable biocompatibility through the in vitro studies. The enhancement intensities of the tumor tissue from the MR images were quantitatively measured as TNR (Tumor/Normal tissue signal Ratio) values, which were correlated with the delay of tumor growth after intravenous administration of the PLA-PEG/PTX micelle drug. The results demonstrated that the group with the smallest TNR values (TNR < 0.5) displayed the best tumor inhibitory effect. In addition, there was a superior correlation between TNR value and relative tumor delay in individual mice. These analysis results indicated that the TNR value of the tumor region enhanced by Fe3O4@PEG (d = 32 nm) could be used to predict the therapeutic efficacy of the micelle drugs (d ≤ 32 nm) in a certain period of time. Fe3O4@PEG has a potential to serve as an ideal MRI contrast agent to visualize the EPR effect in patients for accurate medication guidance of micelle drugs in the future treatment of tumors.
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Affiliation(s)
- Ling Chen
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering & Collaborative Innovation Center of Suzhou Nano Science and Technology, Southeast University, Nanjing 210096, P. R. China.
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229
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Zhang Y, Wei J, Xu J, Leong WS, Liu G, Ji T, Cheng Z, Wang J, Lang J, Zhao Y, You L, Zhao X, Wei T, Anderson GJ, Qi S, Kong J, Nie G, Li S. Suppression of Tumor Energy Supply by Liposomal Nanoparticle-Mediated Inhibition of Aerobic Glycolysis. ACS APPLIED MATERIALS & INTERFACES 2018; 10:2347-2353. [PMID: 29286239 DOI: 10.1021/acsami.7b16685] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Aerobic glycolysis enables cancer cells to rapidly take up nutrients (e.g., nucleotides, amino acids, and lipids) and incorporate them into the biomass needed to produce a new cell. In contrast to existing chemotherapy/radiotherapy strategies, inhibiting aerobic glycolysis to limit the adenosine 5'-triphosphate (ATP) yield is a highly efficient approach for suppressing tumor cell proliferation. However, most, if not all, current inhibitors of aerobic glycolysis cause significant adverse effects because of their nonspecific delivery and distribution to nondiseased organs, low bioavailability, and a narrow therapeutic window. New strategies to enhance the biosafety and efficacy of these inhibitors are needed for moving them into clinical applications. To address this need, we developed a liposomal nanocarrier functionalized with a well-validated tumor-targeting peptide to specifically deliver the aerobic glycolysis inhibitor 3-bromopyruvate (3-BP) into the tumor tissue. The nanoparticles effectively targeted tumors after systemic administration into tumor-bearing mice and suppressed tumor growth by locally releasing 3-BP to inhibit the ATP production of the tumor cells. No overt side effects were observed in the major organs. This report demonstrates the potential utility of the nanoparticle-enabled delivery of an aerobic glycolysis inhibitor as an anticancer therapeutic agent.
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Affiliation(s)
- Yinlong Zhang
- College of Pharmaceutical Science, Jilin University , Changchun 130021, China
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Excellent Center for Nanoscience, National Center for Nanoscience and Technology , Beijing 100190, China
| | - Jingyan Wei
- College of Pharmaceutical Science, Jilin University , Changchun 130021, China
| | - Jiaqi Xu
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Excellent Center for Nanoscience, National Center for Nanoscience and Technology , Beijing 100190, China
| | - Wei Sun Leong
- Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology , Cambridge, Massachusetts 02139, United States
| | - Guangna Liu
- College of Pharmaceutical Science, Jilin University , Changchun 130021, China
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Excellent Center for Nanoscience, National Center for Nanoscience and Technology , Beijing 100190, China
| | - Tianjiao Ji
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Excellent Center for Nanoscience, National Center for Nanoscience and Technology , Beijing 100190, China
| | - Zhiqiang Cheng
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Excellent Center for Nanoscience, National Center for Nanoscience and Technology , Beijing 100190, China
| | - Jing Wang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Excellent Center for Nanoscience, National Center for Nanoscience and Technology , Beijing 100190, China
| | - Jiayan Lang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Excellent Center for Nanoscience, National Center for Nanoscience and Technology , Beijing 100190, China
| | - Ying Zhao
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Excellent Center for Nanoscience, National Center for Nanoscience and Technology , Beijing 100190, China
| | - Linhao You
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Excellent Center for Nanoscience, National Center for Nanoscience and Technology , Beijing 100190, China
| | - Xiao Zhao
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Excellent Center for Nanoscience, National Center for Nanoscience and Technology , Beijing 100190, China
| | - Taotao Wei
- National Laboratory of Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences , Beijing 100101, China
| | - Greg J Anderson
- QIMR Berghofer Medical Research Institute, Royal Brisbane Hospital , Brisbane, Queensland 4029, Australia
| | - Sheng Qi
- School of Pharmacy, University of East Anglia , Norwich, Norfolk NR4 7TJ, U.K
| | - Jing Kong
- Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology , Cambridge, Massachusetts 02139, United States
| | - Guangjun Nie
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Excellent Center for Nanoscience, National Center for Nanoscience and Technology , Beijing 100190, China
- University of Chinese Academy of Sciences , Beijing 100049, China
| | - Suping Li
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Excellent Center for Nanoscience, National Center for Nanoscience and Technology , Beijing 100190, China
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Enomoto T, Brea RJ, Bhattacharya A, Devaraj NK. In Situ Lipid Membrane Formation Triggered by Intramolecular Photoinduced Electron Transfer. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:750-755. [PMID: 28982007 DOI: 10.1021/acs.langmuir.7b02783] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
A major goal of synthetic biology is the development of rational methodologies to construct self-assembling non-natural membranes, which could enable the efficient fabrication of artificial cellular systems from purely synthetic components. However, spatiotemporal control of artificial membrane formation remains both challenging and limited in scope. Here, we describe a new methodology to promote biomimetic phospholipid membrane formation by the photochemical activation of a catalyst-sensitizer dyad via an intramolecular photoinduced electron-transfer process. Our results offer future opportunities to exert spatiotemporal control over artificial cellular constructs.
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Affiliation(s)
- Takafumi Enomoto
- Department of Life and Coordination-Complex Molecular Science, Institute for Molecular Science , 5-1 Higashiyama, Myodaiji, Okazaki, Aichi 444-8787, Japan
- SOKENDAI [The Graduate University for Advanced Studies] , Shonan Village, Hayama, Kanagawa 240-0193, Japan
| | - Roberto J Brea
- Department of Chemistry and Biochemistry, University of California at San Diego , La Jolla, California 92093, United States
| | - Ahanjit Bhattacharya
- Department of Chemistry and Biochemistry, University of California at San Diego , La Jolla, California 92093, United States
| | - Neal K Devaraj
- Department of Chemistry and Biochemistry, University of California at San Diego , La Jolla, California 92093, United States
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231
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Nanotherapeutics in oral and parenteral drug delivery: Key learnings and future outlooks as we think small. J Control Release 2018; 272:159-168. [PMID: 29355619 DOI: 10.1016/j.jconrel.2018.01.009] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Revised: 01/11/2018] [Accepted: 01/11/2018] [Indexed: 12/30/2022]
Abstract
Nanotechnology ushered the field of medicine in to a new era. Miniaturization, increased surface area, and the unique physicochemical properties in the nano dimension were explored for new applications. Pharmaceutical industry picked up the technology and early success came fast for oral drug delivery through improvement in dissolution properties of the active molecules. Many products were launched using the nanocrystal technology on the oral side. Further development of polymeric nanoparticles led to wide spread research of nanocarriers for parenteral delivery. While considerable efforts have gone in the last two decades for testing nanoparticles for tumor targeting, delivery into tumors has remained challenging and suboptimal. Inadequate in vivo models that didn't accurately reflect the age and vascularity of human tumors, and inability to reproducibly target therapeutic drugs to the tissue of interest due to intrinsic biodistribution of the particles and hence side effects, limited the number of studies that advanced to the clinic. Our article addresses the questions commonly asked by scientific researchers in nanomedicine: "Has nanoparticle technology yielded on its initial promise that scientists predicted towards improving therapeutic index and avoid toxicity by delivering molecules to target tissues or was it more of wishful thinking that had several roadblocks?" We answer this question by linking the relevance of nanoparticles to cancer immunotherapy. The advent of immunotherapy has begun to show the potential applicability of nanoparticles in a different light, to target the immune system. In this approach, nanoparticles may positively influence the immune system rather than create the targeted "magic bullet". Utilizing the intrinsic properties of nanoparticles for immune targeting as opposed to targeting the tumor can bring about a positive difference due to the underlying complex cancer mechanisms that can potentially overlap with the heterogeneous biodistribution of nanoparticles towards improving the acquired and innate immune responses. In this review, we have followed the progress of nanotechnology in pharmaceutical applications with key insights from oral and parenteral drug delivery, and how to modify our thinking to better utilize nanoparticles for immuno-oncology. In contrast to conventional "local" tumor targeting by nanoparticles, we propose a new mechanism whereby nanoparticles trigger priming of the T cells towards tumor destruction. The heterogenous biodistribution of nanoparticles lends itself to stimulating immune cells systemically in a "global" manner and with the right therapeutic combinations will be able to trigger tumor antigens to continually activate, retain memory effects and destroy tumor cells.
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232
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Kang M, Tuteja M, Centrone A, Topgaard D, Leal C. Nanostructured Lipid-based Films for Substrate Mediated Applications in Biotechnology. ADVANCED FUNCTIONAL MATERIALS 2018; 28:10.1002/adfm.201704356. [PMID: 31080383 PMCID: PMC6508631 DOI: 10.1002/adfm.201704356] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Amphiphilic in nature, lipids spontaneously self-assemble into a range of nanostructures in the presence of water. Among lipid self-assembled structures, liposomes and supported lipid bilayers have long held scientific interest for their main applications in drug delivery and plasma membrane models, respectively. In contrast, lipid-based multi-layered membranes on solid supports only recently begun drawing scientists' attention. New studies on lipid films show that the stacking of multiple bilayers on a solid support yields interestingly complex features to these systems. Namely, multiple layers exhibit cooperative structural and dynamic behavior. In addition, the materials enable compartmentalization, templating, and enhanced release of several molecules of interest. Importantly, supported lipid phases exhibit long-range periodic nano-scale order and orientation that is tunable in response to a changing environment. Herein, we summarize current and pertinent understanding of lipid-based film research focusing on how unique structural characteristics enable the emergence of new applications in biotechnology including label-free biosensors, macroscale drug delivery, and substrate-mediated gene delivery. Our very recent contributions to lipid-based films, focusing on the structural characterization at the meso, nano, and molecular-scale, using Small-Angle X-ray Scattering, Atomic Force Microscopy, Photothermal Induced Resonance, and Solid-State NMR will be also highlighted.
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Affiliation(s)
- Minjee Kang
- Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Mohit Tuteja
- Center for Nanoscale Science and Technology, National Institute of Standards and Technology, Gaithersburg, MD 20899, United States
- Maryland Nanocenter, University of Maryland, College Park, MD 20742, United States
| | - Andrea Centrone
- Center for Nanoscale Science and Technology, National Institute of Standards and Technology, Gaithersburg, MD 20899, United States
| | - Daniel Topgaard
- Division of Physical Chemistry, Center of Chemistry and Chemical Engineering, Lund University, Lund, Sweden
| | - Cecilia Leal
- Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
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233
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Muraki Y, Yamasaki M, Takeuchi H, Tohyama K, Sano N, Matsuo T. Fluorescent Imaging Analysis for Distribution of Fluorescent Dye Labeled- or Encapsulated-Liposome in Monocrotaline-Induced Pulmonary Hypertension Model Rat. Chem Pharm Bull (Tokyo) 2018; 66:270-276. [DOI: 10.1248/cpb.c17-00811] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Yo Muraki
- Takeda Pharmaceutical Company Limited
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234
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Yasunaga M, Manabe S, Furuta M, Ogata K, Koga Y, Takashima H, Nishida T, Matsumura Y. Mass spectrometry imaging for early discovery and development of cancer drugs. AIMS MEDICAL SCIENCE 2018. [DOI: 10.3934/medsci.2018.2.162] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
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235
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Zheng CX, Zhao Y, Liu Y. Recent Advances in Self-assembled Nano-therapeutics. CHINESE JOURNAL OF POLYMER SCIENCE 2017. [DOI: 10.1007/s10118-018-2078-y] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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236
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Moretti A, Zhang B, Lee B, Dutt M, Uhrich KE. Degree of Unsaturation and Backbone Orientation of Amphiphilic Macromolecules Influence Local Lipid Properties in Large Unilamellar Vesicles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:14663-14673. [PMID: 29144759 DOI: 10.1021/acs.langmuir.7b03043] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Liposomes have become increasingly common in the delivery of bioactive agents due to their ability to encapsulate hydrophobic and hydrophilic drugs with excellent biocompatibility. While commercial liposome formulations improve bioavailability of otherwise quickly eliminated or insoluble drugs, tailoring formulation properties for specific uses has become a focus of liposome research. Here, we report the design, synthesis, and characterization of two series of amphiphilic macromolecules (AMs), consisting of acylated polyol backbones conjugated to poly(ethylene glycol) (PEG) that can serve as the sole additives to stabilize and control hydrophilic molecule release rates from distearoylphosphatidylcholine (DSPC)-based liposomes. As compared to DSPC alone, all AMs enable liposome formation and stabilize their colloidal properties at low incorporation ratios, and the AM's degree of unsaturation and hydrophobe conformation have profound impacts on stability duration. The AM's chemical structures, particularly hydrophobe unsaturation, also impact the rate of hydrophilic drug release. Course-grained molecular dynamics simulations were utilized to better understand the influence of AM structure on lipid properties and potential liposomal stabilization. Results indicate that both hydrophobic domain structure and PEG density can be utilized to fine-tune liposome properties for the desired application. Collectively, AMs demonstrate the potential to simultaneously stabilize and control the release profile of hydrophilic cargo.
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Affiliation(s)
- Alysha Moretti
- Department of Chemistry and Chemical Biology, Rutgers University , 610 Taylor Road, Piscataway, New Jersey 08854, United States
| | - Bin Zhang
- Department of Chemical Engineering Rutgers University , 98 Brett Road, Piscataway, New Jersey 08854, United States
| | - Bernice Lee
- Department of Pharmacy, Rutgers University , 160 Frelinhuysen Road, Piscataway, New Jersey 08854, United States
| | - Meenakshi Dutt
- Department of Chemical Engineering Rutgers University , 98 Brett Road, Piscataway, New Jersey 08854, United States
| | - Kathryn E Uhrich
- Department of Chemistry and Chemical Biology, Rutgers University , 610 Taylor Road, Piscataway, New Jersey 08854, United States
- Department of Chemistry, University of California-Riverside , 900 University Avenue, Riverside, California 92521, United States
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237
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Coreta-Gomes FM, Vaz WLC, Moreno MJ. Effect of Acyl Chain Length on the Rate of Phospholipid Flip-Flop and Intermembrane Transfer. J Membr Biol 2017; 251:431-442. [PMID: 29264685 DOI: 10.1007/s00232-017-0009-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2017] [Accepted: 12/13/2017] [Indexed: 11/25/2022]
Abstract
The rate at which phospholipids equilibrate between different membranes and between the non-polar environments in biological fluids is of high importance in the understanding of biomembrane diversity, as well as in the development of liposomes for drug delivery. In this work, we characterize the rate of insertion into and desorption from POPC bilayers for a homologous series of amphiphiles with the fluorescent NBD group attached to phosphoethanolamines of different acyl chain lengths, NBD-diC n -PE with n = 6, 8, 10, and 12. The rate of translocation between bilayer leaflets was also characterized, providing all the relevant parameters for their interaction with lipid bilayers. The results are complemented with data for NBD-diC14-PE obtained from literature (Abreu et al. Biophys J 87:353-365, 2004; Moreno et al. Biophys J 91:873-881, 2006). The rate of translocation between the POPC leaflets is not dependent on the length of the acyl chains, while this affects strongly the rate of desorption from the bilayer. Insertion in the POPC bilayer is not diffusion controlled showing a significant dependence on the acyl chain length and on temperature. The results obtained are compared with those previously reported for NBD-LysoC14-PE (Sampaio et al. Biophys J 88:4064-4071, 2005), and with the homologous series of single chain amphiphiles NBD-C n (Cardoso et al. J Phys Chem B 114:16337-16346, 2010; J Phys Chem B 115:10098-10108, 2011). This allows the establishment of important relations between the rate constants for interaction with the lipid bilayers and the structural properties of the amphiphiles, namely the total surface and the cross-section of their non-polar region.
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Affiliation(s)
- Filipe M Coreta-Gomes
- CQC-Biological Chemistry Group, Chemistry Department FCTUC, Largo D. Dinis, Rua Larga, 3004-535, Coimbra, Portugal
- QOPNA, Chemistry Department, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Winchil L C Vaz
- CEDOC, NOVA Medical School, Faculdadede Ciências Médicas, Universidade NOVA de Lisboa, 1169-056, Lisbon, Portugal
| | - Maria J Moreno
- CQC-Biological Chemistry Group, Chemistry Department FCTUC, Largo D. Dinis, Rua Larga, 3004-535, Coimbra, Portugal.
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238
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Khatoon M, Shah KU, Din FU, Shah SU, Rehman AU, Dilawar N, Khan AN. Proniosomes derived niosomes: recent advancements in drug delivery and targeting. Drug Deliv 2017; 24:56-69. [PMID: 29130758 PMCID: PMC8812579 DOI: 10.1080/10717544.2017.1384520] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Vesicular drug delivery systems have gained wide attention in the field of nanotechnology. Among them proniosomes become the superior over other vesicular carriers. Proniosomes are dry formulations of water soluble nonionic surfactant coated carrier system which immediately forms niosomes upon hydration. They have the capability to overcome the instability problems associated with niosomes and liposomes and have the potential to improve solubility, bioavailability, and absorption of various drugs. Furthermore, they offer versatile drug delivery concept for enormous number of hydrophilic and hydrophobic drugs. They have the potential to deliver drugs effectively through different routes at specific site of action to achieve controlled release action and reduce toxic effects associated with drugs. This review discusses the general preparation techniques of proniosomes and mainly focus on the applications of proniosomes in drug delivery and targeting. Moreover, this review demonstrates critical appraisal of the literature for proniosomes. Additionally, this review extensively explains the potential of proniosomes in delivering drugs via different routes, such as oral, parenteral, dermal and transdermal, ocular, oral mucosal, vaginal, pulmonary, and intranasal. Finally, the comparison of proniosomes with niosomes manifests the clear distinction between them. Moreover, proniosomes need to be explored for proteins and peptide delivery and in the field of nutraceuticals and develop pilot plant scale up studies to investigate them in industrial set up.
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Affiliation(s)
- Maryam Khatoon
- Department of Pharmacy, Quaid-e-Azam University, Islamabad, Pakistan
| | | | - Fakhar Ud Din
- Department of Pharmacy, Quaid-e-Azam University, Islamabad, Pakistan
| | - Shefaat Ullah Shah
- Department of Pharmaceutics, Faculty of Pharmacy, Gomal University, D.I. Khan, Pakistan
| | - Asim Ur Rehman
- Department of Pharmacy, Quaid-e-Azam University, Islamabad, Pakistan
| | - Naz Dilawar
- Department of Pharmacy, Quaid-e-Azam University, Islamabad, Pakistan
| | - Ahmad Nawaz Khan
- School of Chemical and materials Engineering, National University of Sciences and Technology, Islamabad, Pakistan
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239
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Collado Camps E, Brock R. An opportunistic route to success: Towards a change of paradigm to fully exploit the potential of cell-penetrating peptides. Bioorg Med Chem 2017; 26:2780-2787. [PMID: 29157727 DOI: 10.1016/j.bmc.2017.11.004] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Revised: 10/27/2017] [Accepted: 11/02/2017] [Indexed: 01/06/2023]
Abstract
About 25years ago it was demonstrated that certain peptides possess the ability to cross the plasma membrane. This led to the development of cell-penetrating peptides (CPPs) as vectors to mediate the cellular entry of (macro-)molecules that do not show cell entry by themselves. Nonetheless, in spite of an early bloom of promising pre-clinical studies, not a single CPP-based drug has been approved, yet. It is a paradigm in CPP research that the peptides are taken up by virtually all cells. In exploratory research and early preclinical development, this assumption guides the choice of the therapeutic target. However, while this indiscriminatory uptake may be the case for tissue culture experiments, in an organism this is clearly not the case. Biodistribution analyses demonstrate that CPPs only target a very limited number of cells and many tissues are hardly reached at all. Here, we review biodistribution analyses of CPPs and CPP-based drug delivery systems. Based on this analysis we propose a paradigm change towards a more opportunistic approach in CPP research. The application of CPPs should focus on those pathophysiologies for which the relevant target cells have been shown to be reached in vivo.
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Affiliation(s)
- Estel Collado Camps
- Department of Biochemistry, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Geert Grooteplein 28, 6525 GA Nijmegen, The Netherlands
| | - Roland Brock
- Department of Biochemistry, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Geert Grooteplein 28, 6525 GA Nijmegen, The Netherlands.
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240
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Bhattacharya A, Brea RJ, Devaraj NK. De novo vesicle formation and growth: an integrative approach to artificial cells. Chem Sci 2017; 8:7912-7922. [PMID: 29619165 PMCID: PMC5858084 DOI: 10.1039/c7sc02339a] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Accepted: 10/13/2017] [Indexed: 12/22/2022] Open
Abstract
The assembly of synthetic membranes provides a powerful tool to reconstruct the structure and function of living cells.
The assembly of artificial cells provides a novel strategy to reconstruct life's functions and shed light on how life emerged on Earth and possibly elsewhere. A major challenge to the development of artificial cells is the establishment of simple methodologies to mimic native membrane generation. An ambitious strategy is the bottom-up approach, which aims to systematically control the assembly of highly ordered membrane architectures with defined functionality. This perspective will cover recent advances and the current state-of-the-art of minimal lipid architectures that can faithfully reconstruct the structure and function of living cells. Specifically, we will overview work related to the de novo formation and growth of biomimetic membranes. These studies give us a deeper understanding of the nature of living systems and bring new insights into the origin of cellular life.
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Affiliation(s)
- Ahanjit Bhattacharya
- Department of Chemistry and Biochemistry , University of California, San Diego , La Jolla , CA 92093 , USA .
| | - Roberto J Brea
- Department of Chemistry and Biochemistry , University of California, San Diego , La Jolla , CA 92093 , USA .
| | - Neal K Devaraj
- Department of Chemistry and Biochemistry , University of California, San Diego , La Jolla , CA 92093 , USA .
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241
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Silva JO, Fernandes RS, Lopes SCA, Cardoso VN, Leite EA, Cassali GD, Marzola MC, Rubello D, Oliveira MC, de Barros ALB. pH-Sensitive, Long-Circulating Liposomes as an Alternative Tool to Deliver Doxorubicin into Tumors: a Feasibility Animal Study. Mol Imaging Biol 2017; 18:898-904. [PMID: 27172938 DOI: 10.1007/s11307-016-0964-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
PURPOSE Therapeutic agents used in chemotherapy have low specificity leading to undesired severe side effects. Hence, the development of drug delivery systems that improve drug specificity, such as liposome moieties, is an alternative to overcome chemotherapy limitations and increase antitumor efficacy. In this study, the biodistribution profile evaluation of pH-sensitive long-circulating liposomes (SpHL) containing [99mTc]DOX in 4T1 tumor-bearing BALB/c mice is described. PROCEDURES [99mTc]DOX was radiolabeled by direct method. Liposomes were prepared and characterized. [99mTc]DOX was encapsulated into liposomes by freezing and thawing. Circulation time for SpHL-[99mTc]DOX was determined by measuring the blood activity from healthy animals. Biodistribution studies were carried out in tumor-bearing mice at 1, 4, and 24 h after injection. RESULTS Blood levels of the SpHL-[99mTc]DOX declined in a biphasic manner, with an α half-life of 14.1 min and β half-life of 129.0 min. High uptake was achieved in the liver and spleen, due to the macrophages captured. Moreover, tumor uptake was higher than control tissue, resulting in high tumor-to-muscle ratios, indicating higher specificity for the tumor area. CONCLUSION [99mTc]DOX was successfully encapsulated in liposomes. Biodistribution indicated high tumor-to-muscle ratios in breast tumor-bearing BALB/c mice. In summary, these results showed the higher accumulation of SpHL-[99mTc]DOX in the tumor area, suggesting selective delivery of doxorubicin into tumor.
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Affiliation(s)
- Juliana O Silva
- Faculty of Pharmacy, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, 31270-901, Belo Horizonte, Minas Gerais, Brazil
| | - Renata S Fernandes
- Faculty of Pharmacy, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, 31270-901, Belo Horizonte, Minas Gerais, Brazil
| | - Sávia C A Lopes
- Faculty of Pharmacy, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, 31270-901, Belo Horizonte, Minas Gerais, Brazil
| | - Valbert N Cardoso
- Faculty of Pharmacy, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, 31270-901, Belo Horizonte, Minas Gerais, Brazil
| | - Elaine A Leite
- Faculty of Pharmacy, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, 31270-901, Belo Horizonte, Minas Gerais, Brazil
| | - Geovanni D Cassali
- Biological Science Institute, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, 31270-901, Belo Horizonte, Minas Gerais, Brazil
| | - Maria Cristina Marzola
- Department of Radiology, Molecular Imaging, Interventional Radiology, NeuroRadiology, Medical Physics, Pathology, Biomarkers Unit, Clinical Laboratory, Microbiology Unit, Rovigo & Adria Hospital, Rovigo, Italy
| | - Domenico Rubello
- Department of Radiology, Molecular Imaging, Interventional Radiology, NeuroRadiology, Medical Physics, Pathology, Biomarkers Unit, Clinical Laboratory, Microbiology Unit, Rovigo & Adria Hospital, Rovigo, Italy
| | - Monica C Oliveira
- Faculty of Pharmacy, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, 31270-901, Belo Horizonte, Minas Gerais, Brazil
| | - Andre Luis Branco de Barros
- Faculty of Pharmacy, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, 31270-901, Belo Horizonte, Minas Gerais, Brazil.
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242
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Kim SM, Kim HS. Engineering of extracellular vesicles as drug delivery vehicles. Stem Cell Investig 2017; 4:74. [PMID: 29057246 DOI: 10.21037/sci.2017.08.07] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Accepted: 08/21/2017] [Indexed: 12/31/2022]
Abstract
Extracellular vesicles (EVs) are secreted membrane-enclosed nano-sized particles (40-1,000 nm) that deliver biological information between cells. The molecular composition of these subcellular particles includes growth factor receptors, ligands adhesion proteins, mRNA, miRNAs, lncRNA and lipids that are derived from donor cells. A number of studies demonstrated that stem cell-derived EVs are the key mediator of tissue repair and regeneration in multiple animal disease models. In addition, the composition of these particles is known to be altered in cancer and disease pathology suggesting them for useful in diagnostic and therapeutic purposes. Their endogenous origin and biological properties offer benefits over conventional drug delivery systems (DDS), such as liposome, synthetic nanoparticles and prompted the further application of EVs as drug delivery vehicles for chemical drugs, genetic materials and proteins. The contents of EVs can be efficiently modified by chemical, biological or physical means. Thus, EVs can be an innovative DDS as it can overcome physical and biological barriers and safely deliver therapeutic drugs to target tissues. In this minireview, we summarized current progress on the strategies of drug loading onto EVs; ex vivo and in vivo loading.
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Affiliation(s)
- Sung-Man Kim
- Medical Management Department, College of Medical Convergence, Catholic Kwandong University, Gangneung-si, Gangwon-do, Republic of Korea
| | - Han-Soo Kim
- Department of Biomedical Sciences, College of Medical Convergence, Catholic Kwandong University, Gangneung-si, Gangwon-do, Republic of Korea
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243
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Revisiting the use of sPLA 2 -sensitive liposomes in cancer therapy. J Control Release 2017; 261:163-173. [DOI: 10.1016/j.jconrel.2017.06.024] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Revised: 06/21/2017] [Accepted: 06/24/2017] [Indexed: 11/24/2022]
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244
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Pharmacodynamics and Biodistribution of Single-Dose Liposomal Amphotericin B at Different Stages of Experimental Visceral Leishmaniasis. Antimicrob Agents Chemother 2017. [PMID: 28630200 PMCID: PMC5571318 DOI: 10.1128/aac.00497-17] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Visceral leishmaniasis is a neglected tropical disease that causes significant morbidity and mortality worldwide. Characterization of the pharmacokinetics and pharmacodynamics of antileishmanial drugs in preclinical models is important for drug development and use. Here we investigated the pharmacodynamics and drug distribution of liposomal amphotericin B (AmBisome) in Leishmania donovani-infected BALB/c mice at three different dose levels and two different time points after infection. We additionally compared drug levels in plasma, liver, and spleen in infected and uninfected BALB/c mice over time. At the highest administered dose of 10 mg/kg AmBisome, >90% parasite inhibition was observed within 2 days after drug administration, consistent with drug distribution from blood to tissue within 24 h and a fast rate of kill. Decreased drug potency was observed in the spleen when AmBisome was administered on day 35 after infection, compared to day 14 after infection. Amphotericin B concentrations and total drug amounts per organ were lower in liver and spleen when AmBisome was administered at the advanced stage of infection and compared to those in uninfected BALB/c mice. However, the magnitude of difference was lower when total drug amounts per organ were estimated. Differences were also noted in drug distribution to L. donovani-infected livers and spleens. Taken together, our data suggest that organ enlargement and other pathophysiological factors cause infection- and organ-specific drug distribution and elimination after administration of single-dose AmBisome to L. donovani-infected mice. Plasma drug levels were not reflective of changes in drug levels in tissues.
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Kuo YC, Lee CH, Rajesh R. Recent advances in the treatment of glioblastoma multiforme by inhibiting angiogenesis and using nanocarrier systems. J Taiwan Inst Chem Eng 2017. [DOI: 10.1016/j.jtice.2017.04.034] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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Abstract
Silk biomaterials can be designed to provide an architectural framework comparable to connate extracellular matrix in order to boost cell growth and eventual tissue regeneration. Silk (Bombyx mori) fibroins self-assemble into hydrophobic crystalline β sheets, which provide mechanical strength and tunable degradability. The next generation of tissue engineering scaffolds aim to provide spatially controlled modulation of cell adhesion and differentiation, which can be achieved by spatially controlled surface functionalization of the scaffolds. In this respect, it is even more important to be able to release molecules at timescales ranging from hours to days, as many biological processes require signals early on to initiate processes, and over prolonged periods to sustain them. Unfortunately, achieving spatio-temporal control over multiple release profiles from silk based substrates is challenging due to their intrinsic slow release behaviour. Here, we report a simple strategy that provides spatio-temporal control over the release of drugs from silk films (SFs). We have developed a UV based strategy to modify the SFs with nanogels, which can provide a fast as well as slow release profile from a single platform. We demonstrate that the release profile of encapsulated molecules on the SF substrate can be tuned from fast (within hours) to slow (within days), thus resulting in a dual release system, which can be eventually utilized to deliver bioactive molecules at specific regions with different rates to achieve the desired multiple biological effects.
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Affiliation(s)
- Vartika Dhyani
- Centre for Biomedical Engineering, Indian Institute of Technology, Delhi, Hauz Khas, New Delhi 110016, India. Biomedical Engineering Unit, All India Institute of Medical Science, Ansari Nagar, New Delhi 110029, India
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Thanki K, Zeng X, Justesen S, Tejlmann S, Falkenberg E, Van Driessche E, Mørck Nielsen H, Franzyk H, Foged C. Engineering of small interfering RNA-loaded lipidoid-poly(DL-lactic-co-glycolic acid) hybrid nanoparticles for highly efficient and safe gene silencing: A quality by design-based approach. Eur J Pharm Biopharm 2017; 120:22-33. [PMID: 28756280 DOI: 10.1016/j.ejpb.2017.07.014] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2017] [Revised: 07/19/2017] [Accepted: 07/25/2017] [Indexed: 01/29/2023]
Abstract
Safety and efficacy of therapeutics based on RNA interference, e.g., small interfering RNA (siRNA), are dependent on the optimal engineering of the delivery technology, which is used for intracellular delivery of siRNA to the cytosol of target cells. We investigated the hypothesis that commonly used and poorly tolerated cationic lipids might be replaced with more efficacious and safe lipidoids as the lipid component of siRNA-loaded lipid-polymer hybrid nanoparticles (LPNs) for achieving more efficient gene silencing at lower and safer doses. However, formulation design of such a complex formulation is highly challenging due to a strong interplay between several contributing factors. Hence, critical formulation variables, i.e. the lipidoid content and siRNA:lipidoid ratio, were initially identified, followed by a systematic quality-by-design approach to define the optimal operating space (OOS), eventually resulting in the identification of a robust, highly efficacious and safe formulation. A 17-run design of experiment with an I-optimal approach was performed to systematically assess the effect of selected variables on critical quality attributes (CQAs), i.e. physicochemical properties (hydrodynamic size, zeta potential, siRNA encapsulation/loading) and the biological performance (in vitro gene silencing and cell viability). Model fitting of the obtained data to construct predictive models revealed non-linear relationships for all CQAs, which can be readily overlooked in one-factor-at-a-time optimization approaches. The response surface methodology further enabled the identification of an OOS that met the desired quality target product profile. The optimized lipidoid-modified LPNs revealed more than 50-fold higher in vitro gene silencing at well-tolerated doses and approx. a twofold increase in siRNA loading as compared to reference LPNs modified with the commonly used cationic lipid dioleyltrimethylammonium propane (DOTAP). Thus, lipidoid-modified LPNs show highly promising prospects for efficient and safe intracellular delivery of siRNA.
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Affiliation(s)
- Kaushik Thanki
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen Ø, Denmark
| | - Xianghui Zeng
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen Ø, Denmark
| | - Sarah Justesen
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen Ø, Denmark; Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Jagtvej 162, DK-2100 Copenhagen Ø, Denmark
| | - Sarah Tejlmann
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen Ø, Denmark
| | - Emily Falkenberg
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen Ø, Denmark
| | - Elize Van Driessche
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen Ø, Denmark; Department of Pharmaceutics, Laboratory of General Biochemistry and Physical Pharmacy, Ghent University Campus Heymans, Ottergemsesteenweg 460, 9000 Gent, Belgium
| | - Hanne Mørck Nielsen
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen Ø, Denmark
| | - Henrik Franzyk
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Jagtvej 162, DK-2100 Copenhagen Ø, Denmark
| | - Camilla Foged
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen Ø, Denmark.
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Takechi-Haraya Y, Sakai-Kato K, Goda Y. Membrane Rigidity Determined by Atomic Force Microscopy Is a Parameter of the Permeability of Liposomal Membranes to the Hydrophilic Compound Calcein. AAPS PharmSciTech 2017; 18:1887-1893. [PMID: 27645470 DOI: 10.1208/s12249-016-0624-x] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2016] [Accepted: 08/29/2016] [Indexed: 01/01/2023] Open
Abstract
We determined the permeability coefficient of a model hydrophilic drug, calcein, encapsulated within saturated lipid-based nano-sized liposomes of various lipid profiles. We demonstrated that the addition of cholesterol to liposomes containing saturated lipids increased the permeability of the liposomal membrane to calcein via a decrease in the membrane bending modulus, as determined by means of atomic force microscopy. We found an inverse correlation between the membrane bending modulus of saturated lipid-based nano-sized liposomes and the permeability coefficient of encapsulated calcein, demonstrating that bending modulus, as determined by means of atomic force microscopy, is a quantitative parameter describing the permeability of liposomal membranes to calcein.
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Encapsulation of lutein in liposomes using supercritical carbon dioxide. Food Res Int 2017; 100:168-179. [PMID: 28873676 DOI: 10.1016/j.foodres.2017.06.055] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Revised: 06/19/2017] [Accepted: 06/21/2017] [Indexed: 11/23/2022]
Abstract
Liposomes loaded with lutein were prepared utilizing supercritical carbon dioxide (SC-CO2). The effects of pressure, depressurization rate, temperature and lutein-to-lipid ratio on particle size distribution, zeta potential, encapsulation efficiency (EE), bioactive loading, morphology, phase transition and crystallinity were investigated. Liposomes prepared by the SC-CO2 method had a particle size of 147.6±1.9nm-195.4±2.3nm, an encapsulation efficiency of 56.7±0.7%-97.0±0.8% and a zeta potential of -54.5±1.2mV to -61.7±0.6mV. A higher pressure (200-300bar) and depressurization rate (90-200bar/min) promoted a higher encapsulation of lutein whereas the lutein-to-lipid ratio had the dominant effect on the morphology of vesicles along with size distribution and EE. X-ray diffraction data implied a substantial drop in the crystallinity of lutein upon its redistribution in the liposome membranes. Differential scanning calorimetry indicated a broadened phase transition upon the simultaneous rearrangement of lutein and phospholipid molecules into liposomal vesicles. The SC-CO2 method resulted in particle characteristics highly associated with the ability of CO2 to disperse phospholipids and lutein molecules. It offers a promising approach to use dense phase CO2 to homogenize hydrophobic or amphiphilic aggregates suspended in an aqueous medium and regulate the vesicular characteristics via pressure and depressurization rate. The SC-CO2 method has potential for scalable production of liposomal nanovesicles with desirable characteristics and free of organic solvents.
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