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Racaniello GF, Silvestri T, Pistone M, D'Amico V, Arduino I, Denora N, Lopedota AA. Innovative Pharmaceutical Techniques for Paediatric Dosage Forms: A Systematic Review on 3D Printing, Prilling/Vibration and Microfluidic Platform. J Pharm Sci 2024; 113:1726-1748. [PMID: 38582283 DOI: 10.1016/j.xphs.2024.04.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 04/01/2024] [Accepted: 04/01/2024] [Indexed: 04/08/2024]
Abstract
The production of paediatric pharmaceutical forms represents a unique challenge within the pharmaceutical industry. The primary goal of these formulations is to ensure therapeutic efficacy, safety, and tolerability in paediatric patients, who have specific physiological needs and characteristics. In recent years, there has been a significant increase in attention towards this area, driven by the need to improve drug administration to children and ensure optimal and specific treatments. Technological innovation has played a crucial role in meeting these requirements, opening new frontiers in the design and production of paediatric pharmaceutical forms. In particular, three emerging technologies have garnered considerable interest and attention within the scientific and industrial community: 3D printing, prilling/vibration, and microfluidics. These technologies offer advanced approaches for the design, production, and customization of paediatric pharmaceutical forms, allowing for more precise dosage modulation, improved solubility, and greater drug acceptability. In this review, we delve into these cutting-edge technologies and their impact on the production of paediatric pharmaceutical forms. We analyse their potential, associated challenges, and recent developments, providing a comprehensive overview of the opportunities that these innovative methodologies offer to the pharmaceutical sector. We examine different pharmaceutical forms generated using these techniques, evaluating their advantages and disadvantages.
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Affiliation(s)
| | - Teresa Silvestri
- Department of Pharmacy, University of Naples Federico II, D. Montesano St. 49, 80131 Naples, Italy
| | - Monica Pistone
- Department of Pharmacy - Pharmaceutical Sciences, University of Bari, Via E. Orabona, 4, 70125, Bari, Italy
| | - Vita D'Amico
- Department of Pharmacy - Pharmaceutical Sciences, University of Bari, Via E. Orabona, 4, 70125, Bari, Italy
| | - Ilaria Arduino
- Department of Pharmacy - Pharmaceutical Sciences, University of Bari, Via E. Orabona, 4, 70125, Bari, Italy
| | - Nunzio Denora
- Department of Pharmacy - Pharmaceutical Sciences, University of Bari, Via E. Orabona, 4, 70125, Bari, Italy.
| | - Angela Assunta Lopedota
- Department of Pharmacy - Pharmaceutical Sciences, University of Bari, Via E. Orabona, 4, 70125, Bari, Italy
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Nelemans LC, Melo VA, Buzgo M, Bremer E, Simaite A. Antibody desolvation with sodium chloride and acetonitrile generates bioactive protein nanoparticles. PLoS One 2024; 19:e0300416. [PMID: 38483950 PMCID: PMC10939210 DOI: 10.1371/journal.pone.0300416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Accepted: 02/26/2024] [Indexed: 03/17/2024] Open
Abstract
About 30% of the FDA approved drugs in 2021 were protein-based therapeutics. However, therapeutic proteins can be unstable and rapidly eliminated from the blood, compared to conventional drugs. Furthermore, on-target but off-tumor protein binding can lead to off-tumor toxicity, lowering the maximum tolerated dose. Thus, for effective treatment therapeutic proteins often require continuous or frequent administration. To improve protein stability, delivery and release, proteins can be encapsulated inside drug delivery systems. These drug delivery systems protect the protein from degradation during (targeted) transport, prevent premature release and allow for long-term, sustained release. However, thus far achieving high protein loading in drug delivery systems remains challenging. Here, the use of protein desolvation with acetonitrile as an intermediate step to concentrate monoclonal antibodies for use in drug delivery systems is reported. Specifically, trastuzumab, daratumumab and atezolizumab were desolvated with high yield (∼90%) into protein nanoparticles below 100 nm with a low polydispersity index (<0.2). Their size could be controlled by the addition of low concentrations of sodium chloride between 0.5 and 2 mM. Protein particles could be redissolved in aqueous solutions and redissolved antibodies retained their binding activity as evaluated in cell binding assays and exemplified for trastuzumab in an ELISA.
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Affiliation(s)
- Levi Collin Nelemans
- R&D Center, InoCure s.r.o, Celákovice, Central Bohemian, Czech Republic
- Department of Hematology, University Medical Center Groningen/University of Groningen, Groningen, Groningen, The Netherlands
| | - Vinicio Alejandro Melo
- Department of Hematology, University Medical Center Groningen/University of Groningen, Groningen, Groningen, The Netherlands
| | - Matej Buzgo
- R&D Center, InoCure s.r.o, Celákovice, Central Bohemian, Czech Republic
| | - Edwin Bremer
- Department of Hematology, University Medical Center Groningen/University of Groningen, Groningen, Groningen, The Netherlands
| | - Aiva Simaite
- R&D Center, InoCure s.r.o, Celákovice, Central Bohemian, Czech Republic
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Ghofrani J, Bowen A, Chen J, Balakrishnan PB, Powell AB, Cherukula K, Cruz CRY, Jones RB, Lynch RM, Sweeney EE, Fernandes R. Nanodepots Encapsulating a Latency Reversing Agent and Broadly Neutralizing Antibody Enhance Natural Killer Cell Cytotoxicity Against an in vitro Model of Latent HIV. Int J Nanomedicine 2023; 18:4055-4066. [PMID: 37520301 PMCID: PMC10386837 DOI: 10.2147/ijn.s401304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 07/10/2023] [Indexed: 08/01/2023] Open
Abstract
Purpose Current antiretroviral therapies (ART) for human immunodeficiency virus (HIV) are not curative, as the virus persists in latent reservoirs, requiring lifelong adherence to ART and increasing the risk of co-morbidities. "Shock and kill" approaches to reactivate HIV from latent reservoirs followed by administration of anti-HIV drugs represent a promising strategy for eradicating latent HIV. To achieve effective shock and kill, we describe a strategy to eradicate the HIV reservoir that combines latency reversing agents (LRAs), broadly neutralizing antibodies (bnAbs), and natural killer (NK) cells. This strategy utilizes a polymer nanodepot (ND) that co-encapsulates the LRA and bnAb to reactivate latent infection and elicit enhanced cytotoxicity from co-administered NK cells. Methods Poly(lactic-co-glycolic acid) (PLGA) NDs were synthesized using the nanoprecipitation method to co-encapsulate an LRA (TNF-α) and a bnAb (3BNC117) (TNF-α-3BNC117-NDs). ACH-2 cells were used as a cellular model of latent HIV infection. An NK92 subline, genetically modified to constitutively express the Fc receptor CD16, was administered to ACH-2 cells in combination with TNF-α-3BNC117-NDs. ACH-2 cell death and extracellular p24 were measured via flow cytometry and ELISA, respectively. Results Stable PLGA NDs co-encapsulated TNF-α and 3BNC117 with high efficiencies and released these agents in physiological conditions. NK92 phenotype remained similar in the presence of TNF-α-3BNC117-NDs. TNF-α released from NDs efficiently reactivated HIV in ACH-2 cells, as measured by a 3.0-fold increase in the frequency of intracellular p24 positive cells. Released 3BNC117 neutralized and bound reactivated virus, targeting 57.5% of total ACH-2 cells. Critically, TNF-α-3BNC117-NDs significantly enhanced NK92 cell-mediated killing of ACH-2 cells (1.9-fold) and reduced extracellular levels of p24 to baseline. Conclusion These findings suggest the therapeutic potential of our novel ND-based tripartite strategy to reactivate HIV from latently infected cells, generate an HIV-specific site for bnAb binding, and enhance the killing of reactivated HIV-infected target cells by NK92 cells.
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Affiliation(s)
- Joshua Ghofrani
- The Institute for Biomedical Sciences, School of Medicine and Health Sciences, George Washington University, Washington, DC, USA
- The George Washington Cancer Center, The George Washington University, Washington, DC, USA
| | - Allan Bowen
- The George Washington Cancer Center, The George Washington University, Washington, DC, USA
| | - Jie Chen
- The George Washington Cancer Center, The George Washington University, Washington, DC, USA
| | | | - Allison B Powell
- The Institute for Biomedical Sciences, School of Medicine and Health Sciences, George Washington University, Washington, DC, USA
- The George Washington Cancer Center, The George Washington University, Washington, DC, USA
| | - Kondareddy Cherukula
- The George Washington Cancer Center, The George Washington University, Washington, DC, USA
| | - Conrad Russell Y Cruz
- The George Washington Cancer Center, The George Washington University, Washington, DC, USA
- Center for Cancer and Immunology Research, Children’s National Hospital, Washington, DC, USA
| | - R Brad Jones
- Division of Infectious Diseases, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Rebecca M Lynch
- Department of Microbiology, Immunology, and Tropical Medicine, The George Washington University School of Medicine and Health Sciences, Washington, DC, USA
| | - Elizabeth E Sweeney
- The George Washington Cancer Center, The George Washington University, Washington, DC, USA
- Department of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, George Washington University, Washington, DC, USA
| | - Rohan Fernandes
- The Institute for Biomedical Sciences, School of Medicine and Health Sciences, George Washington University, Washington, DC, USA
- The George Washington Cancer Center, The George Washington University, Washington, DC, USA
- Department of Medicine, School of Medicine and Health Sciences, George Washington University, Washington, DC, USA
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Ji J, Qin H, Yang Y, Wu J, Wu J. The targeting imaging and treatment capacity of gelsolin-targeted and paclitaxel-loaded PLGA nanoparticles in vitro and in vivo. Front Bioeng Biotechnol 2022; 10:933856. [PMID: 36338135 PMCID: PMC9632342 DOI: 10.3389/fbioe.2022.933856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Accepted: 09/30/2022] [Indexed: 11/16/2022] Open
Abstract
As a vital sign of carcinomas, lymph node metastasis is closely related to poor prognosis due to a lack of identification and effective treatment in the early stage. Nanoscale contrast agents targeting specific tumor antigens are expected to identify tumor metastasis in the early stage and achieve precise treatment. As a biomarker in the early stage of tumor invasion and metastasis, gelsolin (GSN) might be a promising molecular target to identify and screen tumor metastasis through the lymphatic system. Therefore, GSN-targeted paclitaxel-loaded poly(lactic-co-glycolic acid) nanoparticles (GSN-PTX-PLGA NPs) were prepared, and their physicochemical properties, encapsulation efficiency, drug loading, and dissolution were determined. Besides, uptake experiments and the fluorescent imaging system were used to evaluate their targeting capability. The targeting imaging and treatment capacity were also assessed by experiments in vitro and in vivo. The diameter of the GSN-PTX-PLGA NPs was 328.59 ± 3.82 nm. Hca-F cells with GSN-PLGA NPs showed stronger green fluorescence than Hca-P cells. DiI-labeled GSN-PLGA NPs in tumor-bearing mice and isolated organs exhibited more prominent fluorescence aggregation. The imaging of GSN-PLGA NPs was satisfactory in vitro, and the echo intensity gradually increased with increasing concentrations of GSN-PLGA NPs. After treatment with GSN-PTX-PLGA NPs, there was an obvious decrease in tumor volume and lymph node metastasis rate compared to the other groups (p < 0.05). In conclusion, GSN-PTX-PLGA NPs have a remarkable targeting capacity in vivo and in vitro, and they effectively inhibit tumor growth and lymph node metastasis in vivo.
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Affiliation(s)
- Jiamei Ji
- Department of Ultrasound, The Second Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
| | - Haocheng Qin
- Department of Ultrasound, Lianyungang First People’s Hospital, Lianyungang, Jiangsu, China
| | - Yan Yang
- Department of Ultrasound, Huainan First People’s Hospital, Huainan, Anhui, China
| | - Jun Wu
- Department of Ultrasound, The Second Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
- *Correspondence: Jun Wu,
| | - Juan Wu
- Department of Ultrasound, Lanzhou University Second Hospital, Lanzhou, Gansu, China
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Li W, Little N, Park J, Foster CA, Chen J, Lu J. Tumor-Associated Fibroblast-Targeting Nanoparticles for Enhancing Solid Tumor Therapy: Progress and Challenges. Mol Pharm 2021; 18:2889-2905. [PMID: 34260250 DOI: 10.1021/acs.molpharmaceut.1c00455] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Even though nanoparticle drug delivery systems (nanoDDSs) have improved antitumor efficacy by delivering more drugs to tumor sites compared to free and unencapsulated therapeutics, achieving satisfactory distribution and penetration of nanoDDSs inside solid tumors, especially in stromal fibrous tumors, remains challenging. As one of the most common stromal cells in solid tumors, tumor-associated fibroblasts (TAFs) not only promote tumor growth and metastasis but also reduce the drug delivery efficiency of nanoparticles through the tumor's inherent physical and physiological barriers. Thus, TAFs have been emerging as attractive targets, and TAF-targeting nanotherapeutics have been extensively explored to enhance the tumor delivery efficiency and efficacy of various anticancer agents. The purpose of this Review is to opportunely summarize the underlying mechanisms of TAFs on obstructing nanoparticle-mediated drug delivery into tumors and discuss the current advances of a plethora of nanotherapeutic approaches for effectively targeting TAFs.
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Affiliation(s)
- Wenpan Li
- Skaggs Pharmaceutical Sciences Center, Department of Pharmacology & Toxicology, College of Pharmacy, The University of Arizona, Tucson, Arizona 85721, United States
| | - Nicholas Little
- Skaggs Pharmaceutical Sciences Center, Department of Pharmacology & Toxicology, College of Pharmacy, The University of Arizona, Tucson, Arizona 85721, United States
| | - Jonghan Park
- Skaggs Pharmaceutical Sciences Center, Department of Pharmacology & Toxicology, College of Pharmacy, The University of Arizona, Tucson, Arizona 85721, United States
| | - Cole Alexander Foster
- Skaggs Pharmaceutical Sciences Center, Department of Pharmacology & Toxicology, College of Pharmacy, The University of Arizona, Tucson, Arizona 85721, United States
| | - Jiawei Chen
- Michigan Institute for Clinical & Health Research, College of Pharmacy, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Jianqin Lu
- Skaggs Pharmaceutical Sciences Center, Department of Pharmacology & Toxicology, College of Pharmacy, The University of Arizona, Tucson, Arizona 85721, United States.,BIO5 Institute, The University of Arizona, Tucson, Arizona 85721, United States.,NCI-designated University of Arizona Comprehensive Cancer Center, Tucson, Arizona 85721, United States.,Southwest Environmental Health Sciences Center, The University of Arizona, Tucson, Arizona 85721, United States
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Zadeh Mehrizi T, Mousavi Hosseini K. An overview on the investigation of nanomaterials' effect on plasma components: immunoglobulins and coagulation factor VIII, 2010-2020 review. NANOSCALE ADVANCES 2021; 3:3730-3745. [PMID: 36133015 PMCID: PMC9419877 DOI: 10.1039/d1na00119a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Accepted: 05/16/2021] [Indexed: 05/04/2023]
Abstract
FVIII and immunoglobulins (Igs) are the most prominent plasma proteins, which play a vital role in plasma hemostasis. These proteins have been implemented frequently in protein therapy. Therefore, their maintenance, durability, and stability are highly essential. Herein, various approaches to improve protein functions have been investigated, such as using recombinant protein replacement. In comparison, advances in nanotechnology have provided adequate context to boost biomaterial utilization. In this regard, the applications of various nanoparticles such as polymeric nanomaterials (PEG and PLGA), metal nanoparticles, dendrimers, and lipid based nanomaterials (liposomes and lipid nanoparticles) in stability and the functional improvement of antibodies and coagulation factor VIII (FVIII) have been reviewed from 2010 to 2020. Reviewing related articles has shown that not only can nanomaterials adequately protect the structure of proteins, but have also improved proteins' functions in some cases. For example, the high rate of FVIII instability has been successfully enhanced by bio-PEGylation. Also, utilizing PEGylated liposomes, using the PEG-lip technique for coating nanostructures, leads to FIIIV half-life prolongation. Hence, PEGylation had most impact on the stability of FVIII. Likewise, PEG-coated liposome nano-carriers also presented such a good effect on stability improvements for FVIII due to their ability to tune the immune system by reducing FVIII immunogenicity. Similarly, Ig PEGylation and conjugation to magnetic nanoparticles resulted in increased half-life and better purification of Igs, respectively, without any loss in structural or functional features. Consequently, metal-organic frameworks and recent hybrid systems have been introduced as promising nanomaterials in biomedical applications. As far as we know, this is the first study in this field, which considers the applications of nanoparticles for improving the storage and stability of antibodies and coagulation FVIII.
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Affiliation(s)
- Tahereh Zadeh Mehrizi
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine Tehran Iran +989338606292
| | - Kamran Mousavi Hosseini
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine Tehran Iran +989338606292
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Heinrich MA, Martina B, Prakash J. Nanomedicine strategies to target coronavirus. NANO TODAY 2020; 35:100961. [PMID: 32904707 PMCID: PMC7457919 DOI: 10.1016/j.nantod.2020.100961] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Revised: 08/07/2020] [Accepted: 08/26/2020] [Indexed: 05/05/2023]
Abstract
With the severe acute respiratory syndrome coronavirus (SARS-CoV) in 2002, the middle east respiratory syndrome CoV (MERS-CoV) in 2012 and the recently discovered SARS-CoV-2 in December 2019, the 21st first century has so far faced the outbreak of three major coronaviruses (CoVs). In particular, SARS-CoV-2 spread rapidly over the globe affecting nearly 25.000.000 people up to date. Recent evidences pointing towards mutations within the viral spike proteins of SARS-CoV-2 that are considered the cause for this rapid spread and currently around 300 clinical trials are running to find a treatment for SARS-CoV-2 infections. Nanomedicine, the application of nanocarriers to deliver drugs specifically to a target sites, has been applied for different diseases, such as cancer but also in viral infections. Nanocarriers can be designed to encapsulate vaccines and deliver them towards antigen presenting cells or function as antigen-presenting carriers themselves. Furthermore, drugs can be encapsulated into such carriers to directly target them to infected cells. In particular, virus-mimicking nanoparticles (NPs) such as self-assembled viral proteins, virus-like particles or liposomes, are able to replicate the infection mechanism and can not only be used as delivery system but also to study viral infections and related mechanisms. This review will provide a detailed description of the composition and replication strategy of CoVs, an overview of the therapeutics currently evaluated in clinical trials against SARS-CoV-2 and will discuss the potential of NP-based vaccines, targeted delivery of therapeutics using nanocarriers as well as using NPs to further investigate underlying biological processes in greater detail.
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Affiliation(s)
- Marcel Alexander Heinrich
- Department of Biomaterials Science and Technology, Section Targeted Therapeutics, Technical Medical Centre, University of Twente, 7500AE, Enschede, the Netherlands
| | - Byron Martina
- Artemis One Health Research Institute, 2629JD, Delft, the Netherlands
| | - Jai Prakash
- Department of Biomaterials Science and Technology, Section Targeted Therapeutics, Technical Medical Centre, University of Twente, 7500AE, Enschede, the Netherlands
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Lv W, Champion JA. Demonstration of intracellular trafficking, cytosolic bioavailability, and target manipulation of an antibody delivery platform. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2020; 32:102315. [PMID: 33065253 DOI: 10.1016/j.nano.2020.102315] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 09/30/2020] [Accepted: 10/07/2020] [Indexed: 02/06/2023]
Abstract
Intracellular antibody delivery into live cells has significant implications for research and therapeutic applications. However, many delivery systems lack potency due to low uptake and/or endosomal entrapment and understanding of intracellular delivery processes is lacking. Herein, we studied the cellular uptake, intracellular trafficking and targeting of antibodies using our previously developed Hex antibody nanocarrier. We demonstrated Hex-antibodies were internalized through multiple endocytic routes into lysosomes and provide evidence of endo/lysosomal disruption and Hex-antibody release to the cytosol. Cytosolic antibodies retained their bioactivity for at least 24 h. Functional effect of Hex delivered anti-STAT3 antibodies was evidenced by inhibition of nuclear translocation of cytosolic transcription factor STAT3. This study has generated understanding of key steps in the Hex intracellular antibody delivery system and will facilitate the development of effective cytosolic antibody delivery and applications in both the therapeutic and research domains.
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Affiliation(s)
- Wei Lv
- School of Chemical & Biomolecular Engineering and Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, United States
| | - Julie A Champion
- School of Chemical & Biomolecular Engineering and Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, United States.
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Li Y, Li P, Li R, Xu Q. Intracellular Antibody Delivery Mediated by Lipids, Polymers, and Inorganic Nanomaterials for Therapeutic Applications. ADVANCED THERAPEUTICS 2020. [DOI: 10.1002/adtp.202000178] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Yamin Li
- Department of Biomedical Engineering Tufts University Medford MA 02155 USA
| | - Peixuan Li
- Department of Biomedical Engineering Tufts University Medford MA 02155 USA
| | - Raissa Li
- Department of Biomedical Engineering Tufts University Medford MA 02155 USA
| | - Qiaobing Xu
- Department of Biomedical Engineering Tufts University Medford MA 02155 USA
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10
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Niamsuphap S, Fercher C, Kumble S, Huda P, Mahler SM, Howard CB. Targeting the undruggable: emerging technologies in antibody delivery against intracellular targets. Expert Opin Drug Deliv 2020; 17:1189-1211. [DOI: 10.1080/17425247.2020.1781088] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Suchada Niamsuphap
- ARC Training Centre for Biopharmaceutical Innovation, Australian Institute for Bioengineering and Nanotechnology (AIBN), University of Queensland, Brisbane, Australia
| | - Christian Fercher
- ARC Training Centre for Biopharmaceutical Innovation, Australian Institute for Bioengineering and Nanotechnology (AIBN), University of Queensland, Brisbane, Australia
- ARC Centre of Excellence in Convergent BioNano Science and Technology, AIBN, University of Queensland, Brisbane, Australia
| | - Sumukh Kumble
- ARC Training Centre for Biopharmaceutical Innovation, Australian Institute for Bioengineering and Nanotechnology (AIBN), University of Queensland, Brisbane, Australia
| | - Pie Huda
- ARC Training Centre for Biopharmaceutical Innovation, Australian Institute for Bioengineering and Nanotechnology (AIBN), University of Queensland, Brisbane, Australia
- Centre for Advanced Imaging (CAI), University of Queensland, Brisbane, Australia
| | - Stephen M Mahler
- ARC Training Centre for Biopharmaceutical Innovation, Australian Institute for Bioengineering and Nanotechnology (AIBN), University of Queensland, Brisbane, Australia
| | - Christopher B Howard
- ARC Training Centre for Biopharmaceutical Innovation, Australian Institute for Bioengineering and Nanotechnology (AIBN), University of Queensland, Brisbane, Australia
- Centre for Personalised Nanomedicine, AIBN, University of Queensland, Brisbane, Australia
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Hu F, Yan T, Guo W, Liu Q, Han MH, Liu C, Liu Y, Zheng W, You F, Yang Y, Zhang W, Ma X. Multiple targeting strategies achieve novel protein drug delivery into proapoptosis lung cancer cells by precisely inhibiting survivin. NANOSCALE 2020; 12:10623-10638. [PMID: 32373859 DOI: 10.1039/d0nr01352h] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Therapeutic recombinant proteins have numerous advantages and benefits over chemical drugs, particularly high specificity and good biocompatibility. However, the therapeutic potential and clinical application of current anticancer protein drugs are limited as most biomarkers are located within cells, and multiple physiological barriers exist between the point of administration and the intracellular biomarker. Herein, we report a novel strategy to accurately deliver a cell-permeable dominant-negative TATm-Survivin (TmSm) protein (T34A) to intracellular survivin in cancer cells by overcoming multiple barriers in vivo. A poly(d,l-lactide-co-glycolide) (PLGA) inner core, a polyethylene glycol (PEG) modification, and a TATm peptide were simultaneously introduced to mediate tumor tissue targeting and response to pH-triggered TmSm release. Compared to free TmSm, the PEGylated-PLGA nanoparticle platform achieved a significantly higher cellular uptake efficiency (1.79-fold for A549 and 1.77-fold for Capan-2), effectively decreased IC50 (1.22-fold for A549 and 1.17-fold for Capan-2), and largely elevated apoptosis in different cancer cells (1.17-fold for A549 and 1.15-fold for Capan-2). Besides, this newly developed nanoplatform showed increased protein drug accumulation in the tumor site in A549-bearing nude mice and reached a tumor inhibition rate of 55.81% (1.35-fold versus free TmSm) by reducing the expression of intracellular survivin. All these results confirmed that our newly developed delivery strategy is a very promising tool, which helps protein drugs to cross multiple barriers in vivo and achieves precise targeting to intracellular biomarkers. This strategy could also be applied to other types of protein drugs to further improve their clinical anticancer therapeutic efficacy.
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Affiliation(s)
- Fabiao Hu
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China.
| | - Ting Yan
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China.
| | - Wei Guo
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China.
| | - Qiuli Liu
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, P. R. China.
| | - Myong Hun Han
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China. and Department of Genetics, Faculty of Life Science, KIM IL SUNG University, Pyongyang 999093, Democratic Peoples Republic of Korea
| | - Chang Liu
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China.
| | - Yuping Liu
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, P. R. China.
| | - Wenyun Zheng
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, P. R. China.
| | - Fang You
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore 117585, Singapore. and SinGENE Biotech Pte Ltd, Singapore Science Park, Singapore 118258, Singapore
| | - Yi Yang
- SinGENE Biotech Pte Ltd, Singapore Science Park, Singapore 118258, Singapore
| | - Wenliang Zhang
- Center of Translational Biomedical Research, University of North Carolina at Greensboro, Greensboro, North Carolina 27310, USA
| | - Xingyuan Ma
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China.
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Sweeney EE, Balakrishnan PB, Powell AB, Bowen A, Sarabia I, Burga RA, Jones RB, Bosque A, Cruz CRY, Fernandes R. PLGA nanodepots co-encapsulating prostratin and anti-CD25 enhance primary natural killer cell antiviral and antitumor function. NANO RESEARCH 2020; 13:736-744. [PMID: 34079616 PMCID: PMC8168447 DOI: 10.1007/s12274-020-2684-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Natural killer (NK) cells are attractive effector cells of the innate immune system against human immunodeficiency virus (HIV) and cancer. However, NK cell therapies are limited by the fact that target cells evade NK cells, for example, in latent reservoirs (in HIV) or through upregulation of inhibitory signals (in cancer). To address this limitation, we describe a biodegradable nanoparticle-based "priming" approach to enhance the cytotoxic efficacy of peripheral blood mononuclear cell-derived NK cells. We present poly(lactic-co-glycolic acid) (PLGA) nanodepots (NDs) that co-encapsulate prostratin, a latency-reversing agent, and anti-CD25 (aCD25), a cell surface binding antibody, to enhance primary NK cell function against HIV and cancer. We utilize a nanoemulsion synthesis scheme to encapsulate both prostratin and aCD25 within the PLGA NDs (termed Pro-aCD25-NDs). Physicochemical characterization studies of the NDs demonstrated that our synthesis scheme resulted in stable and monodisperse Pro-aCD25-NDs. The NDs successfully released both active prostratin and anti-CD25, and with controllable release kinetics. When Pro-aCD25-NDs were administered in an in vitro model of latent HIV and acute T cell leukemia using J-Lat 10.6 cells, the NDs were observed to prime J-Lat cells resulting in significantly increased NK cell-mediated cytotoxicity compared to free prostratin plus anti-CD25, and other controls. These findings demonstrate the feasibility of using our Pro-aCD25-NDs to prime target cells for enhancing the cytotoxicity of NK cells as antiviral or antitumor agents.
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Affiliation(s)
- Elizabeth E Sweeney
- The George Washington Cancer Center, The George Washington University, Washington, DC 20052, USA
| | - Preethi B Balakrishnan
- The George Washington Cancer Center, The George Washington University, Washington, DC 20052, USA
| | - Allison B Powell
- Center for Cancer and Immunology Research, Children's National Health System, Washington, DC 20010, USA
| | - Allan Bowen
- The George Washington Cancer Center, The George Washington University, Washington, DC 20052, USA
| | - Indra Sarabia
- Department of Microbiology, Immunology, and Tropical Medicine, The George Washington University, Washington, DC 20052, USA
| | - Rachel A Burga
- The George Washington Cancer Center, The George Washington University, Washington, DC 20052, USA
| | - R Brad Jones
- Infectious Disease Division, Weill Cornell Medical College, New York, NY 10065, USA
| | - Alberto Bosque
- Department of Microbiology, Immunology, and Tropical Medicine, The George Washington University, Washington, DC 20052, USA
| | - C Russell Y Cruz
- The George Washington Cancer Center, The George Washington University, Washington, DC 20052, USA
- Center for Cancer and Immunology Research, Children's National Health System, Washington, DC 20010, USA
| | - Rohan Fernandes
- The George Washington Cancer Center, The George Washington University, Washington, DC 20052, USA
- Department of Medicine, The George Washington University, Washington, DC 20052, USA
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13
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Covarrubias-Zambrano O, Yu J, Bossmann SH. Nano-Inspired Technologies for Peptide Delivery. Curr Protein Pept Sci 2019; 21:379-400. [PMID: 31793426 DOI: 10.2174/1389203720666191202112429] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 08/26/2019] [Accepted: 10/02/2019] [Indexed: 12/15/2022]
Abstract
Nano-inspired technologies offer unique opportunities to treat numerous diseases by using therapeutic peptides. Therapeutic peptides have attractive pharmacological profiles and can be manufactured at relatively low costs. The major advantages of using a nanodelivery approach comprises significantly lower required dosages compared to systemic delivery, and thus reduced toxicity and immunogenicity. The combination of therapeutic peptides with delivery peptides and nanoparticles or small molecule drugs offers systemic treatment approaches, instead of aiming for single biological targets or pathways. This review article discusses exemplary state-of-the-art nanosized delivery systems for therapeutic peptides and antibodies, as well as their biochemical and biophysical foundations and emphasizes still remaining challenges. The competition between using different nanoplatforms, such as liposome-, hydrogel-, polymer-, silica nanosphere-, or nanosponge-based delivery systems is still "on" and no clear frontrunner has emerged to date.
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Affiliation(s)
| | - Jing Yu
- Department of Chemistry, Kansas State University, 419 CBC Building, Manhattan, KS 66506-0401, United States.,Johns Hopkins University, Department of Radiology, Baltimore, MD, United States
| | - Stefan H Bossmann
- Department of Chemistry, Kansas State University, 419 CBC Building, Manhattan, KS 66506-0401, United States
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Singh K, Ejaz W, Dutta K, Thayumanavan S. Antibody Delivery for Intracellular Targets: Emergent Therapeutic Potential. Bioconjug Chem 2019; 30:1028-1041. [PMID: 30830750 PMCID: PMC6470022 DOI: 10.1021/acs.bioconjchem.9b00025] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Proteins have sparked fast growing interest as biological therapeutic agents for several diseases. Antibodies, in particular, carry an enormous potential as drugs owing to their remarkable target specificity and low immunogenicity. Although the market has numerous antibodies directed toward extracellular targets, their use in targeting therapeutically important intracellular targets is limited by their inability to cross cellular membrane. Realizing the potential for antibody therapy in disease treatment, progress has been made in the development of methods to deliver antibodies intracellularly. In this review, we address various platforms for delivery of antibodies and their merits and drawbacks.
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Nurunnabi M, Khatun Z, Badruddoza AZM, McCarthy JR, Lee YK, Huh KM. Biomaterials and Bioengineering Approaches for Mitochondria and Nuclear Targeting Drug Delivery. ACS Biomater Sci Eng 2019. [DOI: 10.1021/acsbiomaterials.8b01615] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Md Nurunnabi
- Center for Systems Biology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02129 United States
| | - Zehedina Khatun
- Molecular Cardiology Research Institute, Tufts Medical Center, Boston, Massachusetts 02111 United States
| | - Abu Zayed Md Badruddoza
- Department of Chemical and Life Science Engineering, Virginia Commonwealth University, Richmond, Virginia 23219 United States
| | - Jason R. McCarthy
- Center for Systems Biology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02129 United States
| | - Yong-kyu Lee
- Department of Chemical and Biological Engineering, Korea National University of Transportation, Chungju 380-706, Republic of Korea
| | - Kang Moo Huh
- Department of Polymer Science and Engineering, Chungnam National University, Daejeon 305-764, Republic of Korea
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Sousa F, Cruz A, Pinto IM, Sarmento B. Nanoparticles provide long-term stability of bevacizumab preserving its antiangiogenic activity. Acta Biomater 2018; 78:285-295. [PMID: 30036718 DOI: 10.1016/j.actbio.2018.07.040] [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: 02/28/2018] [Revised: 07/11/2018] [Accepted: 07/19/2018] [Indexed: 10/28/2022]
Abstract
Bevacizumab is one of the most common monoclonal antibodies used to treat cancer due to its antiangiogenic role. However, the frequent parenteral administrations are not attractive for the patient adhesion to the therapy. Nanoencapsulation of bevacizumab might be a useful alternative to increase administration intervals, due to controlled release properties. To achieve a long-term bevacizumab stability into PLGA nanoparticles, we developed an optimized and validated lyophilization protocol. The co-encapsulation of trehalose and bevacizumab into PLGA nanoparticles, associated to their lyophilization with external 10% (w/v) of trehalose, allowed maintenance of the physical-chemical characteristics of nanoparticles and bevacizumab secondary and tertiary structure. More relevant, the antiangiogenic activity of bevacizumab was kept over 6 months of storage while formulated with this protocol. No significant differences were found upon 6 months of storage at 4 °C and 25 °C/60% HR, and minor differences were observed for storage at 40 °C/75% HR, bringing to our knowledge, the first successfully report for monoclonal antibody storage at room temperature, without losing its structural and functional features. Our results served as starting point to understand the monoclonal antibody-based nanoparticle behavior over time, creating an innovative approach for a long-term monoclonal antibody stability. STATEMENT OF SIGNIFICANCE Nanoencapsulation of monoclonal antibodies has boost the interest of researchers as an alternative to the current antibody-based therapy, changing the route of administrations through controlled release of monoclonal antibodies. Despite good results have been achieved with nanoencapsulation process, no strategy has still found concerning a long-term stability of nanoparticles and monoclonal antibodies. In this study, the aim was to find out a validated and optimized method that allows a long-term stability of nanoparticles and antibodies. Over 6 months of storage, an optimized nanosystem was considered stable for both nanoparticles and antibody structure, at 4 °C and 25 °C, resulting the first successfully report for monoclonal antibody storage at room temperature.
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Recent advances in applying nanotechnologies for cancer immunotherapy. J Control Release 2018; 288:239-263. [PMID: 30223043 DOI: 10.1016/j.jconrel.2018.09.010] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Revised: 09/11/2018] [Accepted: 09/12/2018] [Indexed: 12/13/2022]
Abstract
Cancer immunotherapy aimed at boosting cancer-specific immunoresponses to eradicate tumor cells has evolved as a new treatment modality. Nanoparticles incorporating antigens and immunomodulatory agents can activate immune cells and modulate the tumor microenvironment to enhance anti-tumor immunity. The nanotechnology approach has been demonstrated to be superior to standard formulations in in-vivo settings. In this article, we focus on recent advances made within the last 5 years in nanoparticle-based cancer immunotherapy, including peptide- and nucleic acid-based nanovaccines, nanomedicines containing an immunoadjuvant to activate anti-tumor immunity, nanoparticle delivery of immune checkpoint inhibitors and the combination of the above approaches. Encouraging results and new emerging nanotechnologies in drug delivery promise the continuous growth of this field and ultimately clinical translation of enhanced immunotherapy of cancer.
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18
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Viola M, Sequeira J, Seiça R, Veiga F, Serra J, Santos AC, Ribeiro AJ. Subcutaneous delivery of monoclonal antibodies: How do we get there? J Control Release 2018; 286:301-314. [DOI: 10.1016/j.jconrel.2018.08.001] [Citation(s) in RCA: 99] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2018] [Revised: 07/30/2018] [Accepted: 08/01/2018] [Indexed: 12/29/2022]
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Sousa F, Fonte P, Cruz A, Kennedy PJ, Pinto IM, Sarmento B. Polyester-Based Nanoparticles for the Encapsulation of Monoclonal Antibodies. Methods Mol Biol 2018; 1674:239-253. [PMID: 28921443 DOI: 10.1007/978-1-4939-7312-5_20] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Aliphatic polyesters have been widely explored for biomedical applications (e.g., drug delivery systems, biomedical devices, and tissue engineering). Recently, polyesters have been used in nanoparticle formulations for the controlled release of monoclonal antibodies (mAbs) for the enhanced efficacy of antibody-based therapy. Polyester-based nanoparticles for mAb delivery provide decreased antibody dosage, increased antibody stability and protection and longer therapeutic action, ultimately translating to an increased therapeutic index. Additionally, nanoencapsulation holds the potential for the selective cellular recognition and internalization of mAbs, in the disease context when intracellular organelles and molecules (e.g., enzymes, transcription factors and oncogenic proteins) are the preferred target. We present here a detailed method to prepare mAb-loaded polyester-based nanoparticles and the various techniques to characterize the resulting nanoparticles and mAb structure. Finally, we highlight different biological approaches to assess the in vitro bioactivity of the antibody upon nanoparticle release.
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Affiliation(s)
- Flávia Sousa
- i3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen 208, 4200-393, Porto, Portugal
- INEB-Instituto Nacional de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen 208, 4200-393, Porto, Portugal
- ICBAS-Instituto Ciências Biomédicas Abel Salazar, Universidade do Porto, 4150-180, Porto, Portugal
- CESPU-Instituto de Investigação e Formação Avançada em Ciências e Tecnologias da Saúde, Rua Central de Gandra 1317, 4585-116, Gandra, PRD, Portugal
| | - Pedro Fonte
- UCIBIO, REQUIMTE, Department of Chemical Sciences-Applied Chemistry Lab, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313, Porto, Portugal
| | - Andreia Cruz
- INL, International Iberian Nanotechnology Laboratory, Avenida Mestre José Veiga, 4715-330, Braga, Portugal
| | - Patrick J Kennedy
- i3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen 208, 4200-393, Porto, Portugal
- INEB-Instituto Nacional de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen 208, 4200-393, Porto, Portugal
- ICBAS-Instituto Ciências Biomédicas Abel Salazar, Universidade do Porto, 4150-180, Porto, Portugal
- IPATIMUP-Instituto de Patologia e Imunologia Molecular da Universidade do Porto, Rua Alfredo Allen 208, 4200-393, Porto, Portugal
| | - Inês Mendes Pinto
- INL, International Iberian Nanotechnology Laboratory, Avenida Mestre José Veiga, 4715-330, Braga, Portugal
| | - Bruno Sarmento
- i3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen 208, 4200-393, Porto, Portugal.
- INEB-Instituto Nacional de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen 208, 4200-393, Porto, Portugal.
- ICBAS-Instituto Ciências Biomédicas Abel Salazar, Universidade do Porto, 4150-180, Porto, Portugal.
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21
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Lim SI, Lukianov CI, Champion JA. Self-assembled protein nanocarrier for intracellular delivery of antibody. J Control Release 2017; 249:1-10. [PMID: 28069555 DOI: 10.1016/j.jconrel.2017.01.007] [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: 09/14/2016] [Revised: 12/15/2016] [Accepted: 01/04/2017] [Indexed: 10/20/2022]
Abstract
Despite the great potential of antibodies as intracellular therapeutics, there is a significant, unmet challenge in delivering sufficient amounts of folded antibodies inside cells. We describe an all-protein self-assembled nanocarrier capable of delivering functional antibodies to the cytosol. By combining an α-helical peptide that self-assembles into a hexameric coiled-coil bundle and an Fc-binding Protein A fragment, we generated the Hex nanocarrier that is efficiently internalized by cells without cytotoxicity. Localization of multiple Fc-binding domains on the hexameric core allowed the Hex nanocarrier to tightly bind antibody with sub-nanomolar affinity regardless of pH and the antibody's originating species. The size of the Hex nanocarrier ranges from 25 to 35nm depending on the antibody loading ratio. We demonstrated the capacity of the Hex nanocarrier to deliver functional antibodies to the cytosol by employing anti-β-tubulin or anti-nuclear pore complex antibody as cargo. The design of the Hex nanocarrier is modular, which enables functionalization beyond Fc-binding. We exploited this feature to improve the cytosolic delivery efficiency of the Hex nanocarrier by addition of an endosomolytic motif to the core. The modified Hex nanocarrier exhibited similar antibody-binding behavior, but delivered more antibodies to their cytosolic targets at a faster rate. This work demonstrates an efficient intracellular antibody delivery platform with significant advantages over existing approaches as it does not require modification of the antibody, is biodegradable, and has an antibody to carrier mass ratio of 13, which is greater than other reported antibody carriers.
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Affiliation(s)
- Sung In Lim
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332, United States
| | - Cyril I Lukianov
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332, United States
| | - Julie A Champion
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332, United States.
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22
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Sousa F, Castro P, Fonte P, Kennedy PJ, Neves-Petersen MT, Sarmento B. Nanoparticles for the delivery of therapeutic antibodies: Dogma or promising strategy? Expert Opin Drug Deliv 2016; 14:1163-1176. [PMID: 28005451 DOI: 10.1080/17425247.2017.1273345] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
INTRODUCTION Over the past two decades, therapeutic antibodies have demonstrated promising results in the treatment of a wide array of diseases. However, the application of antibody-based therapy implies multiple administrations and a high cost of antibody production, resulting in costly therapy. Another disadvantage inherent to antibody-based therapy is the limited stability of antibodies and the low level of tissue penetration. The use of nanoparticles as delivery systems for antibodies allows for a reduction in antibody dosing and may represent a suitable alternative to increase antibody stability Areas covered: We discuss different nanocarriers intended for the delivery of antibodies as well as the corresponding encapsulation methods. Recent developments in antibody nanoencapsulation, particularly the possible toxicity issues that may arise from entrapment of antibodies into nanocarriers, are also assessed. In addition, this review will discuss the alterations in antibody structure and bioactivity that occur with nanoencapsulation. Expert opinion: Nanocarriers can protect antibodies from degradation, ensuring superior bioavailability. Encapsulation of therapeutic antibodies may offer some advantages, including potential targeting, reduced immunogenicity and controlled release. Furthermore, antibody nanoencapsulation may aid in the incorporation of the antibodies into the cells, if intracellular components (e.g. intracellular enzymes, oncogenic proteins, transcription factors) are to be targeted.
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Affiliation(s)
- Flávia Sousa
- a i3S - Instituto de Investigação e Inovação em Saúde , Universidade do Porto , Porto , Portugal.,b INEB - Instituto de Engenharia Biomédica , Universidade do Porto , Porto , Portugal.,c ICBAS - Instituto Ciências Biomédicas Abel Salazar , Universidade do Porto , Porto , Portugal.,d CESPU - Instituto de Investigação e Formação Avançada em Ciências e Tecnologias da Saúde , Gandra-PRD , Portugal
| | - Pedro Castro
- e CBQF - Centro de Biotecnologia e Química Fina - Laboratório Associado, Escola Superior de Biotecnologia , Universidade Católica Portuguesa/Porto , Porto , Portugal
| | - Pedro Fonte
- f UCIBIO, REQUIMTE, Department of Chemical Sciences - Applied Chemistry Lab, Faculty of Pharmacy , University of Porto , Porto , Portugal
| | - Patrick J Kennedy
- a i3S - Instituto de Investigação e Inovação em Saúde , Universidade do Porto , Porto , Portugal.,b INEB - Instituto de Engenharia Biomédica , Universidade do Porto , Porto , Portugal.,c ICBAS - Instituto Ciências Biomédicas Abel Salazar , Universidade do Porto , Porto , Portugal.,g IPATIMUP - Instituto de Patologia e Imunologia Molecular Universidade do Porto , Porto , Portugal
| | | | - Bruno Sarmento
- a i3S - Instituto de Investigação e Inovação em Saúde , Universidade do Porto , Porto , Portugal.,b INEB - Instituto de Engenharia Biomédica , Universidade do Porto , Porto , Portugal.,c ICBAS - Instituto Ciências Biomédicas Abel Salazar , Universidade do Porto , Porto , Portugal
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Tang X, Liang Y, Liu X, Zhou S, Liu L, Zhang F, Xie C, Cai S, Wei J, Zhu Y, Hou W. PLGA-PEG Nanoparticles Coated with Anti-CD45RO and Loaded with HDAC Plus Protease Inhibitors Activate Latent HIV and Inhibit Viral Spread. NANOSCALE RESEARCH LETTERS 2015; 10:413. [PMID: 26489856 PMCID: PMC4614850 DOI: 10.1186/s11671-015-1112-z] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2015] [Accepted: 10/09/2015] [Indexed: 05/21/2023]
Abstract
Activating HIV-1 proviruses in latent reservoirs combined with inhibiting viral spread might be an effective anti-HIV therapeutic strategy. Active specific delivery of therapeutic drugs into cells harboring latent HIV, without the use of viral vectors, is a critical challenge to this objective. In this study, nanoparticles of poly(lactic-co-glycolic acid)-polyethylene glycol diblock copolymers conjugated with anti-CD45RO antibody and loaded with the histone deacetylase inhibitor suberoylanilide hydroxamic acid (SAHA) and/or protease inhibitor nelfinavir (Nel) were tested for activity against latent virus in vitro. Nanoparticles loaded with SAHA, Nel, and SAHA + Nel were characterized in terms of size, surface morphology, zeta potential, entrapment efficiency, drug release, and toxicity to ACH-2 cells. We show that SAHA- and SAHA + Nel-loaded nanoparticles can target latently infected CD4(+) T-cells and stimulate virus production. Moreover, nanoparticles loaded with SAHA + NEL were capable of both activating latent virus and inhibiting viral spread. Taken together, these data demonstrate the potential of this novel reagent for targeting and eliminating latent HIV reservoirs.
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Affiliation(s)
- Xiaolong Tang
- Huainan First People's Hospital and First Affiliated Hospital of Medical College, Anhui University of Science and Technology, Huainan, 232001, China
- The State Key Laboratory of Virology, Life Sciences College, Wuhan University, Wuhan, 430072, China
| | - Yong Liang
- Clinical Laboratory, The Affiliated Huai'an Hospital of Xuzhou Medical College, Huai'an, 223002, China
| | - Xinkuang Liu
- Huainan First People's Hospital and First Affiliated Hospital of Medical College, Anhui University of Science and Technology, Huainan, 232001, China
| | - Shuping Zhou
- Huainan First People's Hospital and First Affiliated Hospital of Medical College, Anhui University of Science and Technology, Huainan, 232001, China
| | - Liang Liu
- Huainan First People's Hospital and First Affiliated Hospital of Medical College, Anhui University of Science and Technology, Huainan, 232001, China
| | - Fujina Zhang
- Huainan First People's Hospital and First Affiliated Hospital of Medical College, Anhui University of Science and Technology, Huainan, 232001, China
| | - Chunmei Xie
- School of Biotechnology, Southern Medical University, Guangzhou, 510515, China
| | - Shuyu Cai
- Huainan First People's Hospital and First Affiliated Hospital of Medical College, Anhui University of Science and Technology, Huainan, 232001, China
| | - Jia Wei
- Huainan First People's Hospital and First Affiliated Hospital of Medical College, Anhui University of Science and Technology, Huainan, 232001, China
| | - Yongqiang Zhu
- Department of Medical Genetics, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, People's Republic of China.
| | - Wei Hou
- The State Key Laboratory of Virology, Life Sciences College, Wuhan University, Wuhan, 430072, China.
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Double emulsion solvent evaporation techniques used for drug encapsulation. Int J Pharm 2015; 496:173-90. [DOI: 10.1016/j.ijpharm.2015.10.057] [Citation(s) in RCA: 256] [Impact Index Per Article: 28.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Revised: 10/21/2015] [Accepted: 10/22/2015] [Indexed: 12/11/2022]
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Jones C, Barkalina N, Coward K. Highlights from the latest articles in nanomedicine for reproductive oncology. Nanomedicine (Lond) 2015; 10:1375-7. [DOI: 10.2217/nnm.15.40] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Affiliation(s)
- Celine Jones
- Nuffield Department of Obstetrics & Gynaecology, University of Oxford, Level 3, Women's Centre, John Radcliffe Hospital, Headington, Oxford, OX3 9DU, UK
| | - Natalia Barkalina
- Nuffield Department of Obstetrics & Gynaecology, University of Oxford, Level 3, Women's Centre, John Radcliffe Hospital, Headington, Oxford, OX3 9DU, UK
| | - Kevin Coward
- Nuffield Department of Obstetrics & Gynaecology, University of Oxford, Level 3, Women's Centre, John Radcliffe Hospital, Headington, Oxford, OX3 9DU, UK
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