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Ray R, Pal S, Das S, Jana NR. Direct Membrane Penetration and Cytosolic Delivery of Nanoparticles via Electrostatically Bound Amphiphiles. ACS APPLIED MATERIALS & INTERFACES 2024; 16:15819-15831. [PMID: 38517139 DOI: 10.1021/acsami.3c18750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/23/2024]
Abstract
Nanoparticles usually enter cells through energy-dependent endocytosis that involves their cytosolic entry via biomembrane-coated endosomes. In contrast, direct translocation of nanoparticles with straight access to cytosol/subcellular components without any membrane coating is limited to very selective conditions/approaches. Here we show that nanoparticles can switch from energy-dependent endocytosis to energy-independent direct membrane penetration once an amphiphile is electrostatically bound to their surface. Compared to endocytotic uptake, this direct cell translocation is faster and nanoparticles are distributed inside the cytosol without any lysosomal trafficking. We found that this direct cell translocation option is sensitive to the charges of both the nanoparticles and the amphiphile. We propose that an electrostatically bound amphiphile induces temporary opening of the cell membrane, which allows direct cell translocation of nanoparticles. This approach can be adapted for efficient subcellular targeting of nanoparticles and nanoparticle-based drug delivery application, bypassing the endosomal trapping and lysosomal degradation.
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Affiliation(s)
- Reeddhi Ray
- School of Materials Science, Indian Association for the Cultivation of Science, Kolkata 700032, India
| | - Suman Pal
- Department of Chemistry, University of Connecticut, 55 North Eagleville Road, Storrs, Connecticut 06269, United States
| | - Soumi Das
- School of Materials Science, Indian Association for the Cultivation of Science, Kolkata 700032, India
| | - Nikhil R Jana
- School of Materials Science, Indian Association for the Cultivation of Science, Kolkata 700032, India
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2
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Zhang Z, Zhang X, Zheng Q, Zhang J, Zhang M, Wang XD. A non-residue surface modification strategy for active-targeting fluorescent silica nanoparticles to cellular organelles. Mikrochim Acta 2024; 191:181. [PMID: 38446252 DOI: 10.1007/s00604-024-06239-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Accepted: 01/25/2024] [Indexed: 03/07/2024]
Abstract
Silica nanoparticles (SiNPs) with a chemically modified surface typically have a complicated chemical composition, which can significantly differ from their intended design. In this study, we systematically studied the effects of two surface modification methods on active-targeting of intracellular organelles of SiNPs: (1) the widely used step-by-step approach, which involves modifying SiNPs in two steps, i.e., the outer surface of SiNPs was firstly modified with amino groups and then these amino groups were linked with targeting groups, and (2) a newly developed one-step approach in which the ligand-silane complex is initially synthesized, followed by chemically immobilizing the complex on the surface of SiNPs. In the one-step approach, the molar ratio of reactants was precisely tuned so that there are no reactive groups left on the outer surface of SiNPs. Two essential organelles, mitochondria and the nucleus, were selected to compare the targeting performances of SiNPs synthesized via these two approaches. By characterizing physicochemical properties, including structural properties, the number of amino groups, surface charge, polydispersity, and cell colocalization, we demonstrated that SiNPs synthesized via the one-step approach with no residual linkage groups on their surface showed significantly improved mitochondria- and nucleus-targeting performances. This precise control of surface properties allows for optimized biological behavior and active-targeting efficiency of SiNPs. We anticipate that such simple and efficient synthetic strategies will enable the synthesis of effective SiNPs for active-targeting organelles in various biological applications.
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Affiliation(s)
- Zeyu Zhang
- Department of Chemistry and Human Phenome Institute, Fudan University, 200433, Shanghai, People's Republic of China
| | - Xiaoai Zhang
- Department of Chemistry and Human Phenome Institute, Fudan University, 200433, Shanghai, People's Republic of China
| | - Qiaowen Zheng
- College of Chemistry, Chemical Engineering and Environment, Fujian Province Key Laboratory of Modern Analytical Science and Separation Technology, Minnan Normal University, Zhangzhou, 363000, China
| | - Junying Zhang
- College of Chemistry, Chemical Engineering and Environment, Fujian Province Key Laboratory of Modern Analytical Science and Separation Technology, Minnan Normal University, Zhangzhou, 363000, China
| | - Maosheng Zhang
- College of Chemistry, Chemical Engineering and Environment, Fujian Province Key Laboratory of Modern Analytical Science and Separation Technology, Minnan Normal University, Zhangzhou, 363000, China.
| | - Xu-Dong Wang
- Department of Chemistry and Human Phenome Institute, Fudan University, 200433, Shanghai, People's Republic of China.
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3
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Janero DR. Current strategic trends in drug discovery: the present as prologue. Expert Opin Drug Discov 2024; 19:147-159. [PMID: 37936504 DOI: 10.1080/17460441.2023.2275640] [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: 08/21/2023] [Accepted: 10/23/2023] [Indexed: 11/09/2023]
Abstract
INTRODUCTION Escalating costs and inherent uncertainties associated with drug discovery invite initiatives to improve its efficiency and de-risk campaigns for inventing better therapeutics. One such initiative involves recognizing and exploiting current approaches in therapeutics invention with molecular mechanisms of action that hold promise for designing and targeting new chemical entities as drugs. AREAS COVERED This perspective considers the current contextual framework around three drug-discovery approaches and evaluates their potential to help identify new targets/modalities in small-molecule molecular pharmacology: diversifying ligand-directed phenotypes for G protein-coupled receptor (GPCR) pharmacotherapeutic signaling; developing therapeutic-protein degraders and stabilizers for proximity-inducing pharmacology; and mining organelle biology for druggable therapeutic targets. EXPERT OPINION The contemporary drug-discovery approaches examined appear generalizable and versatile to have applications in therapeutics invention beyond those case studies discussed herein. Accordingly, they may be considered strategic trends worthy of note in advancing the field toward novel ways of addressing pharmacotherapeutically unmet medical needs.
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Affiliation(s)
- David R Janero
- Department of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, and Health Sciences Entrepreneurs, Northeastern University, Boston, MA, USA
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4
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Barman S, Chakraborty A, Saha S, Sikder K, Maitra Roy S, Modi B, Bahadur S, Khan AH, Manna D, Bag P, Sarkar AK, Bhattacharya R, Basu A, Maity AR. Efficient Synergistic Antibacterial Activity of α-MSH Using Chitosan-Based Versatile Nanoconjugates. ACS OMEGA 2023; 8:12865-12877. [PMID: 37065019 PMCID: PMC10099120 DOI: 10.1021/acsomega.2c08209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Accepted: 03/20/2023] [Indexed: 06/19/2023]
Abstract
The application of antimicrobial peptides has emerged as an alternative therapeutic tool to encounter against multidrug resistance of different pathogenic organisms. α-Melanocyte stimulating hormone (α-MSH), an endogenous neuropeptide, is found to be efficient in eradicating infection of various kinds of Staphylococcus aureus, including methicillin-resistant Staphylococcus aureus (MRSA). However, the chemical stability and efficient delivery of these biopharmaceuticals (i.e., α-MSH) to bacterial cells with a significant antibacterial effect remains a key challenge. To address this issue, we have developed a chitosan-cholesterol polymer using a single-step, one-pot, and simple chemical conjugation technique, where α-MSH is loaded with a significantly high amount (37.7%), and the final product is obtained as chitosan-cholesterol α-MSH polymer-drug nanoconjugates. A staphylococcal growth inhibition experiment was performed using chitosan-cholesterol α-MSH and individual controls. α-MSH and chitosan-cholesterol both show bacterial growth inhibition by a magnitude of 50 and 79%, respectively. The killing efficiency of polymer-drug nanoconjugates was very drastic, and almost no bacterial colony was observed (∼100% inhibition) after overnight incubation. Phenotypic alternation was observed in the presence of α-MSH causing changes in the cell structure and shape, indicating stress on Staphylococcus aureus. As a further consequence, vigorous cell lysis with concomitant release of the cellular material in the nearby medium was observed after treatment of chitosan-cholesterol α-MSH nanoconjugates. This vigorous lysis of the cell structure is associated with extensive aggregation of the bacterial cells evident in scanning electron microscopy (SEM). The dose-response experiment was performed with various concentrations of chitosan-cholesterol α-MSH nanoconjugates to decipher the degree of the bactericidal effect. The concentration of α-MSH as low as 1 pM also shows significant inhibition of bacterial growth (∼40% growth inhibition) of Staphylococcus aureus. Despite playing an important role in inhibiting bacterial growth, our investigation on hemolytic assay shows that chitosan-cholesterol α-MSH is significantly nontoxic at a wide range of concentrations. In a nutshell, our analysis demonstrated novel antimicrobial activity of nanoparticle-conjugated α-MSH, which could be used as future therapeutics against multidrug-resistant Staphylococcus aureus and other types of bacterial cells.
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Affiliation(s)
- Sourav Barman
- Amity
Institute of Biotechnology, Amity University, Kolkata, West Bengal 700135, India
| | - Asmita Chakraborty
- Department
of Biomedical Science and Technology, The School of Biological Sciences, Ramakrishna Mission Vivekananda Educational Research
Institute, Belur Math, Howrah, West
Bengal 711202, India
| | - Sujata Saha
- Department
of Biomedical Science and Technology, The School of Biological Sciences, Ramakrishna Mission Vivekananda Educational Research
Institute, Belur Math, Howrah, West
Bengal 711202, India
| | - Kunal Sikder
- Department
of Biomedical Science and Technology, The School of Biological Sciences, Ramakrishna Mission Vivekananda Educational Research
Institute, Belur Math, Howrah, West
Bengal 711202, India
| | - Sayoni Maitra Roy
- Amity
Institute of Biotechnology, Amity University, Kolkata, West Bengal 700135, India
| | - Barkha Modi
- Department
of Biomedical Science and Technology, The School of Biological Sciences, Ramakrishna Mission Vivekananda Educational Research
Institute, Belur Math, Howrah, West
Bengal 711202, India
| | - Sabarnee Bahadur
- Department
of Biomedical Science and Technology, The School of Biological Sciences, Ramakrishna Mission Vivekananda Educational Research
Institute, Belur Math, Howrah, West
Bengal 711202, India
| | - Ali Hossain Khan
- S.
N. Bose National Centre for Basic Sciences, Kolkata, West Bengal 700106, India
| | - Dipak Manna
- Department
of Biomedical Science and Technology, The School of Biological Sciences, Ramakrishna Mission Vivekananda Educational Research
Institute, Belur Math, Howrah, West
Bengal 711202, India
| | - Pousali Bag
- Amity
Institute of Biotechnology, Amity University, Kolkata, West Bengal 700135, India
| | - Ankan Kumar Sarkar
- School
of Materials Sciences, Indian Association
for the Cultivation of Science, Kolkata, West Bengal 700032, India
| | - Rishi Bhattacharya
- Department
of Biomedical Science and Technology, The School of Biological Sciences, Ramakrishna Mission Vivekananda Educational Research
Institute, Belur Math, Howrah, West
Bengal 711202, India
| | - Arnab Basu
- Department
of Biomedical Science and Technology, The School of Biological Sciences, Ramakrishna Mission Vivekananda Educational Research
Institute, Belur Math, Howrah, West
Bengal 711202, India
| | - Amit Ranjan Maity
- Amity
Institute of Biotechnology, Amity University, Kolkata, West Bengal 700135, India
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5
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Ashton MD, Cooper PA, Municoy S, Desimone MF, Cheneler D, Shnyder SD, Hardy JG. Controlled Bioactive Delivery Using Degradable Electroactive Polymers. Biomacromolecules 2022; 23:3031-3040. [PMID: 35748772 PMCID: PMC9277582 DOI: 10.1021/acs.biomac.2c00516] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
![]()
Biomaterials capable
of precisely controlling the delivery of agrochemicals/biologics/drugs/fragrances
have significant markets in the agriscience/healthcare industries.
Here, we report the development of degradable electroactive polymers
and their application for the controlled delivery of a clinically
relevant drug (the anti-inflammatory dexamethasone phosphate, DMP).
Electroactive copolymers composed of blocks of polycaprolactone (PCL)
and naturally occurring electroactive pyrrole oligomers (e.g., bilirubin,
biliverdin, and hemin) were prepared and solution-processed to produce
films (optionally doped with DMP). A combination of in silico/in vitro/in
vivo studies demonstrated the cytocompatibility of the polymers. The
release of DMP in response to the application of an electrical stimulus
was observed to be enhanced by ca. 10–30% relative to the passive
release from nonstimulated samples in vitro. Such stimuli-responsive
biomaterials have the potential for integration devices capable of
delivering a variety of molecules for technical/medical applications.
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Affiliation(s)
- Mark D Ashton
- Department of Chemistry, Faculty of Science and Technology, Lancaster University, Bailrigg, Lancaster LA1 4YB, U.K
| | - Patricia A Cooper
- Institute of Cancer Therapeutics, School of Pharmacy and Medical Sciences, Faculty of Life Sciences, University of Bradford, Bradford BD7 1DP, U.K
| | - Sofia Municoy
- Instituto de Química y Metabolismo del Fármaco (IQUIMEFA), Facultad de Farmacia y Bioquímica, Consejo Nacional de Investigaciones, Científicas y Técnicas (CONICET), Universidad de Buenos Aires, Junín 956, Piso 3° (1113), Buenos Aires 1113, Argentina
| | - Martin F Desimone
- Instituto de Química y Metabolismo del Fármaco (IQUIMEFA), Facultad de Farmacia y Bioquímica, Consejo Nacional de Investigaciones, Científicas y Técnicas (CONICET), Universidad de Buenos Aires, Junín 956, Piso 3° (1113), Buenos Aires 1113, Argentina
| | - David Cheneler
- Department of Engineering, Faculty of Science and Technology, Lancaster University, Bailrigg, Lancaster LA1 4YW, U.K.,Materials Science Institute, Lancaster University, Bailrigg, Lancaster LA1 4YB, U.K
| | - Steven D Shnyder
- Institute of Cancer Therapeutics, School of Pharmacy and Medical Sciences, Faculty of Life Sciences, University of Bradford, Bradford BD7 1DP, U.K
| | - John G Hardy
- Department of Chemistry, Faculty of Science and Technology, Lancaster University, Bailrigg, Lancaster LA1 4YB, U.K.,Materials Science Institute, Lancaster University, Bailrigg, Lancaster LA1 4YB, U.K
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6
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Roy SM, Barman S, Basu A, Ghatak T, Pore SK, Ghosh SK, Mukherjee R, Maity AR. Amine as a bottom-line functionality on DDS surface for efficient endosomal escape and further subcellular targets. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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8
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Huang Z, Gao LX, Guo F, Li D, Tang Y, Hu H, Luo Y, Tang D, Wang B, zhang Y. Novel Prodrug Supramolecular Nanoparticles Capable of Rapid Mitochondrial-Targeted and ROS-Responsive for Pancreatic Cancer Therapy. NEW J CHEM 2022. [DOI: 10.1039/d2nj01157c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Mitochondrial dysfunction is a feature of cancer cells and targeting cancer mitochondria has emerged as a promising anticancer therapy. In this study, a novel mitochondria-targeted and ROS-responsive drug delivery nanoplatform...
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9
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Roy SM, Garg V, Barman S, Ghosh C, Maity AR, Ghosh SK. Kinetics of Nanomedicine in Tumor Spheroid as an In Vitro Model System for Efficient Tumor-Targeted Drug Delivery With Insights From Mathematical Models. Front Bioeng Biotechnol 2021; 9:785937. [PMID: 34926430 PMCID: PMC8671936 DOI: 10.3389/fbioe.2021.785937] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 10/27/2021] [Indexed: 12/25/2022] Open
Abstract
Numerous strategies have been developed to treat cancer conventionally. Most importantly, chemotherapy shows its huge promise as a better treatment modality over others. Nonetheless, the very complex behavior of the tumor microenvironment frequently impedes successful drug delivery to the tumor sites that further demands very urgent and effective distribution mechanisms of anticancer drugs specifically to the tumor sites. Hence, targeted drug delivery to tumor sites has become a major challenge to the scientific community for cancer therapy by assuring drug effects to selective tumor tissue and overcoming undesired toxic side effects to the normal tissues. The application of nanotechnology to the drug delivery system pays heed to the design of nanomedicine for specific cell distribution. Aiming to limit the use of traditional strategies, the adequacy of drug-loaded nanocarriers (i.e., nanomedicine) proves worthwhile. After systemic blood circulation, a typical nanomedicine follows three levels of disposition to tumor cells in order to exhibit efficient pharmacological effects induced by the drug candidates residing within it. As a result, nanomedicine propounds the assurance towards the improved bioavailability of anticancer drug candidates, increased dose responses, and enhanced targeted efficiency towards delivery and distribution of effective therapeutic concentration, limiting toxic concentration. These aspects emanate the proficiency of drug delivery mechanisms. Understanding the potential tumor targeting barriers and limiting conditions for nanomedicine extravasation, tumor penetration, and final accumulation of the anticancer drug to tumor mass, experiments with in vivo animal models for nanomedicine screening are a key step before it reaches clinical translation. Although the study with animals is undoubtedly valuable, it has many associated ethical issues. Moreover, individual experiments are very expensive and take a longer time to conclude. To overcome these issues, nowadays, multicellular tumor spheroids are considered a promising in vitro model system that proposes better replication of in vivo tumor properties for the future development of new therapeutics. In this review, we will discuss how tumor spheroids could be used as an in vitro model system to screen nanomedicine used in targeted drug delivery, aiming for better therapeutic benefits. In addition, the recent proliferation of mathematical modeling approaches gives profound insight into the underlying physical principles and produces quantitative predictions. The hierarchical tumor structure is already well decorous to be treated mathematically. To study targeted drug delivery, mathematical modeling of tumor architecture, its growth, and the concentration gradient of oxygen are the points of prime focus. Not only are the quantitative models circumscribed to the spheroid, but also the role of modeling for the nanoparticle is equally inevitable. Abundant mathematical models have been set in motion for more elaborative and meticulous designing of nanomedicine, addressing the question regarding the objective of nanoparticle delivery to increase the concentration and the augmentative exposure of the therapeutic drug molecule to the core. Thus, to diffuse the dichotomy among the chemistry involved, biological data, and the underlying physics, the mathematical models play an indispensable role in assisting the experimentalist with further evaluation by providing the admissible quantitative approach that can be validated. This review will provide an overview of the targeted drug delivery mechanism for spheroid, using nanomedicine as an advantageous tool.
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Affiliation(s)
| | - Vrinda Garg
- Department of Physics, National Institute of Technology, Warangal, India
| | - Sourav Barman
- Amity Institute of Biotechnology, Amity University, Kolkata, India
| | - Chitrita Ghosh
- Department of Pharmacology, Burdwan Medical College and Hospital, Burdwan, India
| | | | - Surya K Ghosh
- Department of Physics, National Institute of Technology, Warangal, India
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10
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Kaminari A, Nikoli E, Athanasopoulos A, Sakellis E, Sideratou Z, Tsiourvas D. Engineering Mitochondriotropic Carbon Dots for Targeting Cancer Cells. Pharmaceuticals (Basel) 2021; 14:ph14090932. [PMID: 34577632 PMCID: PMC8470554 DOI: 10.3390/ph14090932] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 09/10/2021] [Accepted: 09/13/2021] [Indexed: 12/14/2022] Open
Abstract
Aiming to understand and enhance the capacity of carbon dots (CDs) to transport through cell membranes and target subcellular organelles—in particular, mitochondria—a series of nitrogen-doped CDs were prepared by the one-step microwave-assisted pyrolysis of citric acid and ethylenediamine. Following optimization of the reaction conditions for maximum fluorescence, functionalization at various degrees with alkylated triphenylphosphonium functional groups of two different alkyl chain lengths afforded a series of functionalized CDs that exhibited either lysosome or mitochondria subcellular localization. Further functionalization with rhodamine B enabled enhanced fluorescence imaging capabilities in the visible spectrum and allowed the use of low quantities of CDs in relevant experiments. It was thus possible, by the appropriate selection of the alkyl chain length and degree of functionalization, to attain successful mitochondrial targeting, while preserving non-toxicity and biocompatibility. In vitro cell experiments performed on normal as well as cancer cell lines proved their non-cytotoxic character and imaging potential, even at very low concentrations, by fluorescence microscopy. Precise targeting of mitochondria is feasible with carefully designed CDs that, furthermore, are specifically internalized in cells and cell mitochondria of high transmembrane potential and thus exhibit selective uptake in malignant cells compared to normal cells.
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Affiliation(s)
- Archontia Kaminari
- National Centre for Scientific Research “Demokritos”, Institute of Nanoscience and Nanotechnology, 15310 Aghia Paraskevi, Greece; (A.K.); (E.N.); (E.S.); (Z.S.)
| | - Eleni Nikoli
- National Centre for Scientific Research “Demokritos”, Institute of Nanoscience and Nanotechnology, 15310 Aghia Paraskevi, Greece; (A.K.); (E.N.); (E.S.); (Z.S.)
| | - Alexandros Athanasopoulos
- National Centre for Scientific Research “Demokritos”, Institute of Biosciences and Applications, 15310 Aghia Paraskevi, Greece;
| | - Elias Sakellis
- National Centre for Scientific Research “Demokritos”, Institute of Nanoscience and Nanotechnology, 15310 Aghia Paraskevi, Greece; (A.K.); (E.N.); (E.S.); (Z.S.)
| | - Zili Sideratou
- National Centre for Scientific Research “Demokritos”, Institute of Nanoscience and Nanotechnology, 15310 Aghia Paraskevi, Greece; (A.K.); (E.N.); (E.S.); (Z.S.)
| | - Dimitris Tsiourvas
- National Centre for Scientific Research “Demokritos”, Institute of Nanoscience and Nanotechnology, 15310 Aghia Paraskevi, Greece; (A.K.); (E.N.); (E.S.); (Z.S.)
- Correspondence: ; Tel.: +30-210-650-3616
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11
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Ferreira-Silva M, Faria-Silva C, Baptista PV, Fernandes E, Fernandes AR, Corvo ML. Drug delivery nanosystems targeted to hepatic ischemia and reperfusion injury. Drug Deliv Transl Res 2021; 11:397-410. [PMID: 33660214 DOI: 10.1007/s13346-021-00915-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/18/2021] [Indexed: 02/07/2023]
Abstract
Hepatic ischemia and reperfusion injury (IRI) is an acute inflammatory process that results from surgical interventions, such as liver resection surgery or transplantation, or hemorrhagic shock. This pathology has become a severe clinical issue, due to the increasing incidence of hepatic cancer and the high number of liver transplants. So far, an effective treatment has not been implemented in the clinic. Despite its importance, hepatic IRI has not attracted much interest as an inflammatory disease, and only a few reviews addressed it from a therapeutic perspective with drug delivery nanosystems. In the last decades, drug delivery nanosystems have proved to be a major asset in therapy because of their ability to optimize drug delivery, either by passive or active targeting. Passive targeting is achieved through the enhanced permeability and retention (EPR) effect, a main feature in inflammation that allows the accumulation of the nanocarriers in inflammation sites, enabling a higher efficacy of treatment than conventional therapies. These systems also can be actively targeted to specific compounds, such as inflammatory markers and overexpressed receptors in immune system intermediaries, allowing an even more specialized therapy that have already showed encouraging results. In this manuscript, we review drug delivery nanosystems designed for hepatic IRI treatment, addressing their current state in clinical trials, discussing the main hurdles that hinder their successful translation to the market and providing some suggestions that could potentially advance their clinical translation.
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Affiliation(s)
- Margarida Ferreira-Silva
- Instituto de Investigação do Medicamento (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003, Lisbon, Portugal
| | - Catarina Faria-Silva
- Instituto de Investigação do Medicamento (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003, Lisbon, Portugal
| | - Pedro Viana Baptista
- UCIBIO, Departamento Ciências da Vida, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Campus de Caparica, 2829-516, Caparica, Portugal
| | - Eduarda Fernandes
- LAQV, REQUIMTE, Laboratory of Applied Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal
| | - Alexandra Ramos Fernandes
- UCIBIO, Departamento Ciências da Vida, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Campus de Caparica, 2829-516, Caparica, Portugal
| | - Maria Luísa Corvo
- Instituto de Investigação do Medicamento (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003, Lisbon, Portugal.
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12
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Tsubone TM, Zhang Z, Goyal R, Santacruz C, Martins WK, Kohn J, Baptista MS. Porphyrin-Loaded TyroSpheres for the Intracellular Delivery of Drugs and Photoinduced Oxidant Species. Mol Pharm 2020; 17:2911-2924. [DOI: 10.1021/acs.molpharmaceut.0c00338] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Tayana Mazin Tsubone
- Department of Biochemistry, Institute of Chemistry, University of São Paulo, São Paulo 05508-900, Brazil
| | - Zheng Zhang
- New Jersey Center for Biomaterials, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854-8009, United States
| | - Ritu Goyal
- New Jersey Center for Biomaterials, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854-8009, United States
| | - Carolina Santacruz
- Department of Biochemistry, Institute of Chemistry, University of São Paulo, São Paulo 05508-900, Brazil
| | | | - Joachim Kohn
- New Jersey Center for Biomaterials, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854-8009, United States
| | - Mauricio S. Baptista
- Department of Biochemistry, Institute of Chemistry, University of São Paulo, São Paulo 05508-900, Brazil
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13
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Gao J, Wu P, Fernandez A, Zhuang J, Thayumanavan S. Cellular AND Gates: Synergistic Recognition to Boost Selective Uptake of Polymeric Nanoassemblies. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202002748] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Jingjing Gao
- Department of Chemistry University of Massachusetts Amherst Amherst MA 01003 USA
| | - Peidong Wu
- Department of Chemistry University of Massachusetts Amherst Amherst MA 01003 USA
| | - Ann Fernandez
- Department of Chemistry University of Massachusetts Amherst Amherst MA 01003 USA
| | - Jiaming Zhuang
- Department of Chemistry University of Massachusetts Amherst Amherst MA 01003 USA
| | - S. Thayumanavan
- Department of Chemistry University of Massachusetts Amherst Amherst MA 01003 USA
- Molecular and Cellular Biology Program University of Massachusetts Amherst Amherst USA
- Center for Bioactive Delivery University of Massachusetts Amherst Amherst USA
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14
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Gao J, Wu P, Fernandez A, Zhuang J, Thayumanavan S. Cellular AND Gates: Synergistic Recognition to Boost Selective Uptake of Polymeric Nanoassemblies. Angew Chem Int Ed Engl 2020; 59:10456-10460. [DOI: 10.1002/anie.202002748] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Indexed: 12/30/2022]
Affiliation(s)
- Jingjing Gao
- Department of Chemistry University of Massachusetts Amherst Amherst MA 01003 USA
| | - Peidong Wu
- Department of Chemistry University of Massachusetts Amherst Amherst MA 01003 USA
| | - Ann Fernandez
- Department of Chemistry University of Massachusetts Amherst Amherst MA 01003 USA
| | - Jiaming Zhuang
- Department of Chemistry University of Massachusetts Amherst Amherst MA 01003 USA
| | - S. Thayumanavan
- Department of Chemistry University of Massachusetts Amherst Amherst MA 01003 USA
- Molecular and Cellular Biology Program University of Massachusetts Amherst Amherst USA
- Center for Bioactive Delivery University of Massachusetts Amherst Amherst USA
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15
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Endoplasmic reticulum-targeted glutathione and pH dual responsive vitamin lipid nanovesicles for tocopheryl DM1 delivery and cancer therapy. Int J Pharm 2020; 582:119331. [PMID: 32289484 DOI: 10.1016/j.ijpharm.2020.119331] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 03/24/2020] [Accepted: 04/10/2020] [Indexed: 12/27/2022]
Abstract
The major drawbacks of the cytotoxin like DM1 are the off-target effects. Here, the targeting nanovesicles were developed by synthesizing tocopherol-SS-DM1 and conjugating a pH low insertion peptide (pHLIP) to PEGylated phospholipids, in which tocopherol-SS-DM1 improves the drug loading and is glutathione responsive in the cytoplasm, meanwhile, the pH insertion peptide targets the acidic microenvironment of cancer cells. Besides, these nanovesicles can accumulate at the endoplasmic reticulum and show increased cancer therapeutic effects both in vitro and in vivo. These targeting nanovesicles provide a novel formulation for subcellular organelle targeting, a platform for precisely delivery of cytotoxic DM1 to cancer cells, and an alternative strategy for antibody-drug conjugates (ADCs).
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16
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Wang Y, Lei B, Sun M, Han X, Xu S, Liu H. Accurate Targeting and Controllable Release of Hybrid Liposome Containing a Stretchable Copolymer. MACROMOL CHEM PHYS 2020. [DOI: 10.1002/macp.201900536] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Yizhou Wang
- Shanghai Engineering Research Center of Hierarchical Nanomaterials and School of Chemistry and Molecular EngineeringEast China University of Science and Technology (ECUST) Shanghai 200237 China
| | - Bin Lei
- Shanghai Engineering Research Center of Hierarchical Nanomaterials and School of Chemistry and Molecular EngineeringEast China University of Science and Technology (ECUST) Shanghai 200237 China
| | - Minjia Sun
- Shanghai Engineering Research Center of Hierarchical Nanomaterials and School of Chemistry and Molecular EngineeringEast China University of Science and Technology (ECUST) Shanghai 200237 China
| | - Xia Han
- Shanghai Engineering Research Center of Hierarchical Nanomaterials and School of Chemistry and Molecular EngineeringEast China University of Science and Technology (ECUST) Shanghai 200237 China
| | - Shouhong Xu
- Shanghai Engineering Research Center of Hierarchical Nanomaterials and School of Chemistry and Molecular EngineeringEast China University of Science and Technology (ECUST) Shanghai 200237 China
| | - Honglai Liu
- Shanghai Engineering Research Center of Hierarchical Nanomaterials and School of Chemistry and Molecular EngineeringEast China University of Science and Technology (ECUST) Shanghai 200237 China
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17
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An JM, Moon H, Kim Y, Kang S, Kim Y, Jung Y, Park S, Verwilst P, Kim BM, Kang JS, Kim D. Visualizing mitochondria and mouse intestine with a fluorescent complex of a naphthalene-based dipolar dye and serum albumin. J Mater Chem B 2020; 8:7642-7651. [DOI: 10.1039/d0tb01314e] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A fluorophore–protein complex for the visualization of mitochondria and the mouse intestine was developed. The complex formation of a naphthalene-based dipolar dye and serum albumin was identified and its imaging applications were investigated.
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18
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Simpson JD, Smith SA, Thurecht KJ, Such G. Engineered Polymeric Materials for Biological Applications: Overcoming Challenges of the Bio-Nano Interface. Polymers (Basel) 2019; 11:E1441. [PMID: 31480780 PMCID: PMC6780590 DOI: 10.3390/polym11091441] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 08/28/2019] [Accepted: 08/29/2019] [Indexed: 12/11/2022] Open
Abstract
Nanomedicine has generated significant interest as an alternative to conventional cancertherapy due to the ability for nanoparticles to tune cargo release. However, while nanoparticletechnology has promised significant benefit, there are still limited examples of nanoparticles inclinical practice. The low translational success of nanoparticle research is due to the series ofbiological roadblocks that nanoparticles must migrate to be effective, including blood and plasmainteractions, clearance, extravasation, and tumor penetration, through to cellular targeting,internalization, and endosomal escape. It is important to consider these roadblocks holistically inorder to design more effective delivery systems. This perspective will discuss how nanoparticlescan be designed to migrate each of these biological challenges and thus improve nanoparticledelivery systems in the future. In this review, we have limited the literature discussed to studiesinvestigating the impact of polymer nanoparticle structure or composition on therapeutic deliveryand associated advancements. The focus of this review is to highlight the impact of nanoparticlecharacteristics on the interaction with different biological barriers. More specific studies/reviewshave been referenced where possible.
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Affiliation(s)
- Joshua D Simpson
- Centre for Advanced Imaging, Australian Institute for Bioengineering and Nanotechnology, ARC Centre of Excellence in Convergent Bio-Nano Science and Technology and ARC Training Centre for Innovation in Biomedical Imaging Technology, the University of Queensland, St Lucia QLD 4072, Australia;
| | - Samuel A Smith
- School of Chemistry, University of Melbourne, Parkville VIC 3010, Australia;
| | - Kristofer J. Thurecht
- Centre for Advanced Imaging, Australian Institute for Bioengineering and Nanotechnology, ARC Centre of Excellence in Convergent Bio-Nano Science and Technology and ARC Training Centre for Innovation in Biomedical Imaging Technology, the University of Queensland, St Lucia QLD 4072, Australia;
| | - Georgina Such
- School of Chemistry, University of Melbourne, Parkville VIC 3010, Australia;
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19
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Biasutto L, Mattarei A, La Spina M, Azzolini M, Parrasia S, Szabò I, Zoratti M. Strategies to target bioactive molecules to subcellular compartments. Focus on natural compounds. Eur J Med Chem 2019; 181:111557. [PMID: 31374419 DOI: 10.1016/j.ejmech.2019.07.060] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Revised: 07/04/2019] [Accepted: 07/21/2019] [Indexed: 02/06/2023]
Abstract
Many potential pharmacological targets are present in multiple subcellular compartments and have different pathophysiological roles depending on location. In these cases, selective targeting of a drug to the relevant subcellular domain(s) may help to sharpen its impact by providing topological specificity, thus limiting side effects, and to concentrate the compound where needed, thus increasing its effectiveness. We review here the state of the art in precision subcellular delivery. The major approaches confer "homing" properties to the active principle via permanent or reversible (in pro-drug fashion) modifications, or through the use of special-design nanoparticles or liposomes to ferry a drug(s) cargo to its desired destination. An assortment of peptides, substituents with delocalized positive charges, custom-blended lipid mixtures, pH- or enzyme-sensitive groups provide the main tools of the trade. Mitochondria, lysosomes and the cell membrane may be mentioned as the fronts on which the most significant advances have been made. Most of the examples presented here have to do with targeting natural compounds - in particular polyphenols, known as pleiotropic agents - to one or the other subcellular compartment.
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Affiliation(s)
- Lucia Biasutto
- CNR Neuroscience Institute, Viale G. Colombo 3, 35121, Padova, Italy; Dept. Biomedical Sciences, University of Padova, Viale G. Colombo 3, 35121, Padova, Italy.
| | - Andrea Mattarei
- Dept. Pharmaceutical and Pharmacological Sciences, University of Padova, Via Marzolo 5, 35131, Padova, Italy
| | - Martina La Spina
- Dept. Biomedical Sciences, University of Padova, Viale G. Colombo 3, 35121, Padova, Italy
| | - Michele Azzolini
- Dept. Biomedical Sciences, University of Padova, Viale G. Colombo 3, 35121, Padova, Italy
| | - Sofia Parrasia
- Dept. Biomedical Sciences, University of Padova, Viale G. Colombo 3, 35121, Padova, Italy
| | - Ildikò Szabò
- CNR Neuroscience Institute, Viale G. Colombo 3, 35121, Padova, Italy; Dept. Biology, University of Padova, Viale G. Colombo 3, 35121, Padova, Italy
| | - Mario Zoratti
- CNR Neuroscience Institute, Viale G. Colombo 3, 35121, Padova, Italy; Dept. Biomedical Sciences, University of Padova, Viale G. Colombo 3, 35121, Padova, Italy
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20
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Liu BY, Yang XL, Xing X, Li J, Liu YH, Wang N, Yu XQ. Trackable Water-Soluble Prodrug Micelles Capable of Rapid Mitochondrial-Targeting and Alkaline pH-Responsive Drug Release for Highly Improved Anticancer Efficacy. ACS Macro Lett 2019; 8:719-723. [PMID: 35619529 DOI: 10.1021/acsmacrolett.9b00121] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
A trackable water-soluble prodrug conjugate possessing high contents of chlorambucil (Cb) and triphenylphosphonium cation (TPP) was designed and developed after TPP modification on the "branch" of amphipathic prodrugs based on convenient synthesis of heterobifunctional clickable poly(ethylene glycol) (PEG). The aqueous self-assembly of fluorescent polymeric micelles along precise composition can be easily prepared after directly dissolved (DD) in aqueous solution, and exhibit superior cytotoxicity to cancer cells along with highly improved selectivity and sensitivity because of their rapid mitochondrial-targeting and alkaline pH-responsive drug release capabilities. Notably, efficient codelivery of doxorubicin (DOX) for synergistic targeted drug delivery and cancer therapy was achieved.
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Affiliation(s)
- Bei-Yu Liu
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry Sichuan University, 29, Wangjiang Road, Chengdu, Sichuan Province, P. R. China
| | - Xian-Ling Yang
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry Sichuan University, 29, Wangjiang Road, Chengdu, Sichuan Province, P. R. China
| | - Xiu Xing
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry Sichuan University, 29, Wangjiang Road, Chengdu, Sichuan Province, P. R. China
| | - Jun Li
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry Sichuan University, 29, Wangjiang Road, Chengdu, Sichuan Province, P. R. China
| | - Yan-Hong Liu
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry Sichuan University, 29, Wangjiang Road, Chengdu, Sichuan Province, P. R. China
| | - Na Wang
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry Sichuan University, 29, Wangjiang Road, Chengdu, Sichuan Province, P. R. China
| | - Xiao-Qi Yu
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry Sichuan University, 29, Wangjiang Road, Chengdu, Sichuan Province, P. R. China
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21
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Akishiba M, Futaki S. Inducible Membrane Permeabilization by Attenuated Lytic Peptides: A New Concept for Accessing Cell Interiors through Ruffled Membranes. Mol Pharm 2019; 16:2540-2548. [DOI: 10.1021/acs.molpharmaceut.9b00156] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Misao Akishiba
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Shiroh Futaki
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
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22
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Endoplasmic reticulum-targeted phototherapy using one-step synthesized trace metal-doped carbon-dominated nanoparticles: Laser-triggered nucleolar delivery and increased tumor accumulation. Acta Biomater 2019; 88:462-476. [PMID: 30735810 DOI: 10.1016/j.actbio.2019.02.005] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Revised: 01/03/2019] [Accepted: 02/04/2019] [Indexed: 12/22/2022]
Abstract
Lysosomal entrapment and liver accumulation are the two main obstacles faced by many anticancer drugs for achieving satisfactory therapeutic outcomes. Here, we develop a facile one-step hydrothermal synthetic route to prepare trace metal (M)-, N-, and O-doped carbon-dominated nanoparticles (termed as MNOCNPs, M = Ni, Pd, or Cu, metal content: <0.1 mol%) with exceptional photothermal properties (e.g., the ultrahigh extinction coefficient of 32.7 L g-1 cm-1), which can simultaneously realize preferable endoplasmic reticulum (ER) targeting and specific tumor enrichment without noticeable liver accumulation after poly(ethylene glycol) (PEG) conjugation. More interestingly, the PEG-modified MNOCNPs with nanoscale lengths exhibit considerable nucleolar delivery and increased tumor accumulation upon laser irradiation. After fluorescence labeling, these PEG-modified MNOCNPs are suitable for fluorescence/photoacoustic/thermal triple-modal imaging-guided photothermal cancer treatment. Additionally, the ultralow metal content ensures the exceptional biosafety of the nanoagents. The present work provides a novel, facile, and general synthetic method of carbon-dominated nanoparticles with superior photothermal properties for highly efficient tumor ablation, and the large-organelle (ER and nucleus)-targeted cancer therapeutic strategy may represent an alternative solution for optimizing the anticancer efficacy of nanomaterials. STATEMENT OF SIGNIFICANCE: Limited wire-like nanomaterials have been used for biomedical applications due to their lack of intrinsic photothermal properties, poor cellular uptake and tumor accumulation, and potential biotoxicity arising from their micrometer lengths and/or massive heavy metal doping. Besides, the clinical applications of many nanoagents are hindered by their tendency to accumulate in liver, which may cause severe liver toxicity. Herein, we develop for the first time a one-step hydrothermal method to prepare wire-like trace metal-, N-, and O-doped carbon-dominated nanoparticles with excellent photothermal properties, massive cellular uptake, preferable ER localization, selective tumor targeting with negligible liver deposition, laser irradiation-enhanced nucleolar delivery and tumor accumulation, and multimodal imaging-guided cancer therapy. This work opens a new window for simultaneously overcoming lysosomal entrapment and liver accumulation in cancer therapy.
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23
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Development of PSMA-targeted and core-crosslinked glycol chitosan micelles for docetaxel delivery in prostate cancer therapy. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 96:436-445. [DOI: 10.1016/j.msec.2018.11.044] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2018] [Revised: 10/09/2018] [Accepted: 11/25/2018] [Indexed: 02/06/2023]
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24
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Wang Z, Zhang RX, Zhang T, He C, He R, Ju X, Wu XY. In Situ Proapoptotic Peptide-Generating Rapeseed Protein-Based Nanocomplexes Synergize Chemotherapy for Cathepsin-B Overexpressing Breast Cancer. ACS APPLIED MATERIALS & INTERFACES 2018; 10:41056-41069. [PMID: 30387987 DOI: 10.1021/acsami.8b14001] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Intracellular activation of nanomaterials within cancer cells presents a powerful means to enhance anticancer specificity and efficacy. In light of upregulated lysosomal protease cathepsin-B (CathB) in many types of invasive cancer cells, herein, we exploit CathB-catalyzed biodegradation of acetylated rapeseed protein isolate (ARPI) to design polymer-drug nanocomplexes that can produce proapoptotic peptides in situ and synergize chemotherapy. ARPI forms nanocomplexes with chitosan (CS) and anticancer drug doxorubicin (DOX) [DOX-ARPI/CS nanoparticles (NPs)] by ionic self-assembly. The dual acidic pH- and CathB-responsive properties of the nanocomplexes and CathB-catalyzed biodegradation of ARPI enable efficient lysosomal escape and nuclei trafficking of released DOX, resulting in elevated cytotoxicity in CathB-overexpressing breast cancer cells. The ARPI-derived bioactive peptides exhibit synergistic anticancer effect with DOX by regulating pro- and antiapoptotic-relevant proteins ( p53, Bax, Bcl-2, pro-caspase-3) at mitochondria. In an orthotopic breast tumor model of CathB-overexpressing breast cancer, DOX-ARPI/CS NPs remarkably inhibit tumor growth, enhance tumor cell apoptosis and prolong host survival without eliciting any systemic toxicity. These results suggest that exploitation of multifunctional biomaterials to specifically produce anticancer agents inside cancer cells and trigger drug release to the subcellular target sites is a promising strategy for designing effective synergistic nanomedicines with minimal off-target toxicity.
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Affiliation(s)
- Zhigao Wang
- School of Food Science and Technology , Jiangnan University , Wuxi 214122 , People's Republic of China
- Advanced Pharmaceutics and Drug Delivery Laboratory, Leslie Dan Faculty of Pharmacy , University of Toronto , 144 College Street , Toronto M5S 3M2 , Canada
| | - Rui Xue Zhang
- Advanced Pharmaceutics and Drug Delivery Laboratory, Leslie Dan Faculty of Pharmacy , University of Toronto , 144 College Street , Toronto M5S 3M2 , Canada
- School of Life Sciences , Northwestern Polytechnical University , Xi'an , Shaanxi 710072 , People's Republic of China
| | - Tian Zhang
- Advanced Pharmaceutics and Drug Delivery Laboratory, Leslie Dan Faculty of Pharmacy , University of Toronto , 144 College Street , Toronto M5S 3M2 , Canada
| | - Chunsheng He
- Advanced Pharmaceutics and Drug Delivery Laboratory, Leslie Dan Faculty of Pharmacy , University of Toronto , 144 College Street , Toronto M5S 3M2 , Canada
| | - Rong He
- College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Key Laboratory of Grains and Oils Quality Control and Processing , Nanjing University of Finance and Economics , Nanjing 210003 , People's Republic China
| | - Xingrong Ju
- School of Food Science and Technology , Jiangnan University , Wuxi 214122 , People's Republic of China
- College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Key Laboratory of Grains and Oils Quality Control and Processing , Nanjing University of Finance and Economics , Nanjing 210003 , People's Republic China
| | - Xiao Yu Wu
- Advanced Pharmaceutics and Drug Delivery Laboratory, Leslie Dan Faculty of Pharmacy , University of Toronto , 144 College Street , Toronto M5S 3M2 , Canada
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25
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Battistella C, Guiet R, Burri O, Seitz A, Escrig S, Knott GW, Meibom A, Klok HA. Cellular Uptake and Intracellular Trafficking of Poly( N-(2-Hydroxypropyl) Methacrylamide). Biomacromolecules 2018; 20:231-242. [PMID: 30395472 DOI: 10.1021/acs.biomac.8b01372] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Cellular uptake and intracellular trafficking of polymer conjugates or polymer nanoparticles is typically monitored using fluorescence-based techniques such as confocal microscopy. While these methods have provided a wealth of insight into the internalization and trafficking of polymers and polymer nanoparticles, they require fluorescent labeling of the polymer or polymer nanoparticle. Because in biological media fluorescent dyes may degrade, be cleaved from the polymer or particle, or even change uptake and trafficking pathways, there is an interest in fluorescent label-free methods to study the interactions between cells and polymer nanomedicines. This article presents a first proof-of-concept that demonstrates the feasibility of NanoSIMS to monitor the intracellular localization of polymer conjugates. For the experiments reported here, poly( N-(2-hydroxypropyl) methacrylamide)) (PHPMA) was selected as a prototypical polymer-drug conjugate. This PHPMA polymer contained a 19F-label at the α-terminus, which was introduced in order to allow NanoSIMS analysis. Prior to the NanoSIMS experiments, the uptake and intracellular trafficking of the polymer was established using confocal microscopy and flow cytometry. These experiments not only provided detailed insight into the kinetics of these processes but were also important to select time points for the NanoSIMS analysis. For the NanoSIMS experiments, HeLa cells were investigated that had been exposed to the PHPMA polymer for a period of 4 or 15 h, which was known to lead to predominant lysosomal accumulation of the polymer. NanoSIMS analysis of resin-embedded and microtomed samples of the cells revealed a punctuated fluorine signal, which was found to colocalize with the sulfur signal that was attributed to the lysosomal compartments. The localization of the polymer in the endolysosomal compartments was confirmed by TEM analysis on the same cell samples. The results of this study illustrate the potential of NanoSIMS to study the uptake and intracellular trafficking of polymer nanomedicines.
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Affiliation(s)
- Claudia Battistella
- Institut des Matériaux et Institut des Sciences et Ingénierie Chimiques, Laboratoire des Polymères , École Polytechnique Fédérale de Lausanne (EPFL) , Bâtiment MXD, Station 12 , CH-1015 Lausanne , Switzerland
| | - Romain Guiet
- Faculté des sciences de la vie, Bioimaging and Optics Platform , École Polytechnique Fédérale de Lausanne (EPFL) , Bâtiment AI, Station 15 , CH-1015 Lausanne , Switzerland
| | - Olivier Burri
- Faculté des sciences de la vie, Bioimaging and Optics Platform , École Polytechnique Fédérale de Lausanne (EPFL) , Bâtiment AI, Station 15 , CH-1015 Lausanne , Switzerland
| | - Arne Seitz
- Faculté des sciences de la vie, Bioimaging and Optics Platform , École Polytechnique Fédérale de Lausanne (EPFL) , Bâtiment AI, Station 15 , CH-1015 Lausanne , Switzerland
| | - Stéphane Escrig
- Laboratory for Biological Geochemistry, School of Architecture, Civil and Environmental Engineering , École Polytechnique Fédérale de Lausanne (EPFL) , CH-1015 Lausanne , Switzerland
| | - Graham W Knott
- Faculté des sciences de la vie, Bioelectron Microscopy Core Facility , École Polytechnique Fédérale de Lausanne (EPFL) , Bâtiment AI, Station 19 , CH-1015 Lausanne , Switzerland
| | - Anders Meibom
- Laboratory for Biological Geochemistry, School of Architecture, Civil and Environmental Engineering , École Polytechnique Fédérale de Lausanne (EPFL) , CH-1015 Lausanne , Switzerland.,Center for Advanced Surface Analysis, Institute of Earth Sciences , University of Lausanne , CH-1015 Lausanne , Switzerland
| | - Harm-Anton Klok
- Institut des Matériaux et Institut des Sciences et Ingénierie Chimiques, Laboratoire des Polymères , École Polytechnique Fédérale de Lausanne (EPFL) , Bâtiment MXD, Station 12 , CH-1015 Lausanne , Switzerland
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26
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Battistella C, Yang Y, Chen J, Klok HA. Synthesis and Postpolymerization Modification of Fluorine-End-Labeled Poly(Pentafluorophenyl Methacrylate) Obtained via RAFT Polymerization. ACS OMEGA 2018; 3:9710-9721. [PMID: 31459100 PMCID: PMC6644891 DOI: 10.1021/acsomega.8b01654] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Accepted: 08/09/2018] [Indexed: 06/10/2023]
Abstract
Chain-end-labeled polymers are interesting for a range of applications. In polymer nanomedicine, chain-end-labeled polymers are useful to study and help understand cellular internalization and intracellular trafficking processes. The recent advent of fluorescent label-free techniques, such as nanoscale secondary ion mass spectrometry (NanoSIMS), provides access to high-resolution intracellular mapping that can complement information obtained using fluorescent-labeled materials and confocal microscopy and flow cytometry. Using poly(N-(2-hydroxypropyl)methacrylamide) (PHPMA) as a prototypical polymer nanomedicine, this paper presents a synthetic strategy to polymers that contain trace element labels, such as fluorine, which can be used for NanoSIMS analysis. The strategy presented in this paper is based on reversible addition fragmentation chain transfer (RAFT) polymerization of pentafluorophenyl methacrylate (PFMA) mediated by two novel chain-transfer agents (CTAs), which contain either one (α) or two (α,ω) fluorine labels. In the first part of this study, via a number of polymerization experiments, the polymerization properties of the fluorinated RAFT CTAs were established. 19F NMR spectroscopy revealed that these fluorinated RAFT agents possess unique spectral signatures, which allow to directly monitor RAFT agent conversion and measure end-group fidelity. Comparison with 4-cyanopentanoic acid dithiobenzoate, which is a standard CTA for the RAFT polymerization of PFMA, revealed that the introduction of one or two fluorine labels does not significantly affect the polymerization properties of the CTA. In the last part of this paper, a proof-of-concept study is presented that demonstrates the feasibility of the fluorine-labeled poly(pentafluorophenyl methacrylate) polymers as platforms for the postpolymerization modification to generate PHPMA-based polymer nanomedicines.
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Affiliation(s)
- Claudia Battistella
- Institut
des Matériaux et Institut des Sciences et Ingénierie
Chimiques, Laboratoire des Polymères, École Polytechnique Fédérale de Lausanne (EPFL), Bâtiment MXD, Station 12, CH-1015 Lausanne, Switzerland
| | - Yuejiao Yang
- School
of Environmental and Chemical Engineering, Shanghai University, 200444 Shanghai, China
| | - Jie Chen
- School
of Environmental and Chemical Engineering, Shanghai University, 200444 Shanghai, China
| | - Harm-Anton Klok
- Institut
des Matériaux et Institut des Sciences et Ingénierie
Chimiques, Laboratoire des Polymères, École Polytechnique Fédérale de Lausanne (EPFL), Bâtiment MXD, Station 12, CH-1015 Lausanne, Switzerland
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27
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Panagiotaki KN, Sideratou Z, Vlahopoulos SA, Paravatou-Petsotas M, Zachariadis M, Khoury N, Zoumpourlis V, Tsiourvas D. A Triphenylphosphonium-Functionalized Mitochondriotropic Nanocarrier for Efficient Co-Delivery of Doxorubicin and Chloroquine and Enhanced Antineoplastic Activity. Pharmaceuticals (Basel) 2017; 10:E91. [PMID: 29160846 PMCID: PMC5748647 DOI: 10.3390/ph10040091] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Revised: 11/14/2017] [Accepted: 11/18/2017] [Indexed: 02/07/2023] Open
Abstract
Drug delivery systems that target subcellular organelles and, in particular, mitochondria are considered to have great potential in treating disorders that are associated with mitochondrial dysfunction, including cancer or neurodegenerative diseases. To this end, a novel hyperbranched mitochondriotropic nanocarrier was developed for the efficient co-delivery of two different (both in chemical and pharmacological terms) bioactive compounds. The carrier is based on hyperbranched poly(ethyleneimine) functionalized with triphenylphosphonium groups that forms ~100 nm diameter nanoparticles in aqueous media and can encapsulate doxorubicin (DOX), a well-known anti-cancer drug, and chloroquine (CQ), a known chemosensitizer with arising potential in anticancer medication. The anticancer activity of this system against two aggressive DOX-resistant human prostate adenocarcinoma cell lines and in in vivo animal studies was assessed. The co-administration of encapsulated DOX and CQ leads to improved cell proliferation inhibition at extremely low DOX concentrations (0.25 μΜ). In vivo experiments against DU145 human prostate cancer cells grafted on immunodeficient mice resulted in tumor growth arrest during the three-week administration period and no pervasive side effects. The findings put forward the potential of such targeted low dose combination treatments as a therapeutic scheme with minimal adverse effects.
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Affiliation(s)
- Katerina N Panagiotaki
- Institute of Nanoscience and Nanotechnology, NCSR ''Demokritos", 15310 Aghia Paraskevi, Greece.
| | - Zili Sideratou
- Institute of Nanoscience and Nanotechnology, NCSR ''Demokritos", 15310 Aghia Paraskevi, Greece.
| | - Spiros A Vlahopoulos
- Ηoremeio Research Laboratory, First Department of Paediatrics, National and Kapodistrian University of Athens, 11527 Athens, Greece.
| | - Maria Paravatou-Petsotas
- Institute of Nuclear and Radiological Sciences and Technology Energy and Safety, NCSR ''Demokritos", 15310 Aghia Paraskevi, Greece.
| | - Michael Zachariadis
- Institute of Biosciences and Applications, NCSR ''Demokritos", 15310 Aghia Paraskevi, Greece.
| | - Nikolas Khoury
- Institute of Biology, Medicinal Chemistry and Biotechnology, National Hellenic Research Foundation, 11635 Athens, Greece.
| | - Vassilis Zoumpourlis
- Institute of Biology, Medicinal Chemistry and Biotechnology, National Hellenic Research Foundation, 11635 Athens, Greece.
| | - Dimitris Tsiourvas
- Institute of Nanoscience and Nanotechnology, NCSR ''Demokritos", 15310 Aghia Paraskevi, Greece.
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28
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Maity AR, Stepensky D. Nuclear and perinuclear targeting efficiency of quantum dots depends on density of peptidic targeting residues on their surface. J Control Release 2017; 257:32-39. [DOI: 10.1016/j.jconrel.2016.12.031] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2016] [Accepted: 12/27/2016] [Indexed: 12/28/2022]
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29
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Abstract
The advantageous biological properties of hydroxyethyl starch (HES) triggered research interest toward the design and synthesis of drug delivery systems (DDSs) based on this polysaccharide. Convenient reaction schemes, including one-step reactions, led to the synthesis of HES conjugates with selected anticancer molecules or therapeutic proteins. Nanocapsules and hydrogels based on HES were also prepared and studied as prospective drug delivery systems. Formulations originating from these drug conjugates and also from nanocapsules and hydrogels loaded with drugs were characterized, highlighting the extension of their half-life in plasma, which is a critical property as far as their efficacy is concerned. Results obtained in vitro and in vivo proved promising, justifying the undertaking of additional experiments with such systems, including their multifunctionalization. The promising formulations that are discussed in this Topical Review is expected to further increase interest in applying HES for molecular constructing novel DDSs with enhanced efficacy, which may, in the future, find clinical applications.
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Affiliation(s)
- Constantinos M Paleos
- NCSR "Demokritos", Institute of Nanoscience and Nanotechnology , 15310 Aghia Paraskevi, Attiki Greece.,Regulon AE , Apollonos 1, 19400 Koropi, Attiki Greece
| | - Zili Sideratou
- NCSR "Demokritos", Institute of Nanoscience and Nanotechnology , 15310 Aghia Paraskevi, Attiki Greece
| | - Dimitris Tsiourvas
- NCSR "Demokritos", Institute of Nanoscience and Nanotechnology , 15310 Aghia Paraskevi, Attiki Greece
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30
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New insights into the intracellular distribution pattern of cationic amphiphilic drugs. Sci Rep 2017; 7:44277. [PMID: 28281674 PMCID: PMC5345070 DOI: 10.1038/srep44277] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2016] [Accepted: 02/06/2017] [Indexed: 12/28/2022] Open
Abstract
Cationic amphiphilic drugs (CADs) comprise a wide variety of different substance classes such as antidepressants, antipsychotics, and antiarrhythmics. It is well recognized that CADs accumulate in certain intracellular compartments leading to specific morphological changes of cells. So far, no adequate technique exists allowing for ultrastructural analysis of CAD in intact cells. Azidobupramine, a recently described multifunctional antidepressant analogue, allows for the first time to perform high-resolution studies of CADs on distribution pattern and morphological changes in intact cells. We showed here that the intracellular distribution pattern of azidobupramine strongly depends on drug concentration and exposure time. The mitochondrial compartment (mDsRed) and the late endo-lysosomal compartment (CD63-GFP) were the preferred localization sites at low to intermediate concentrations (i.e. 1 μM, 5 μM). In contrast, the autophagosomal compartment (LC3-GFP) can only be reached at high concentrations (10 μM) and long exposure times (72 hrs). At the morphological level, LC3-clustering became only prominent at high concentrations (10 μM), while changes in CD63 pattern already occurred at intermediate concentrations (5 μM). To our knowledge, this is the first study that establishes a link between intracellular CAD distribution pattern and morphological changes. Therewith, our results allow for gaining deeper understanding of intracellular effects of CADs.
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31
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Choi YS, Kwon K, Yoon K, Huh KM, Kang HC. Photosensitizer-mediated mitochondria-targeting nanosized drug carriers: Subcellular targeting, therapeutic, and imaging potentials. Int J Pharm 2017; 520:195-206. [PMID: 28179191 DOI: 10.1016/j.ijpharm.2017.02.013] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2016] [Revised: 01/24/2017] [Accepted: 02/05/2017] [Indexed: 02/07/2023]
Abstract
Mitochondria-targeting drug carriers have considerable potential because of the presence of many molecular drug targets in the mitochondria and their pivotal roles in cellular viability, metabolism, maintenance, and death. To compare the mitochondria-targeting abilities of triphenylphosphonium (TPP) and pheophorbide a (PhA) in nanoparticles (NPs), this study prepared mitochondria-targeting NPs using mixtures of methoxy poly(ethylene glycol)-(SS-PhA)2 [mPEG-(SS-PhA)2 or PPA] and TPP-b-poly(ε-caprolactone)-b-TPP [TPP-b-PCL-b-TPP or TPCL], which were designated PPAn-TPCL4-n (0≤n≤4) NPs. With increasing TPCL content, the formed PPAn-TPCL4-n NPs decreased in size from 33nm to 18nm and increased in terms of positive zeta-potentials from -12mV to 33mV. Although the increased TPCL content caused some dark toxicity of the PPAn-TPCL4-n NPs due to the intrinsic positive character of TPCL, the NPs showed strong light-induced killing effects in tumor cells. In addition, the mitochondrial distribution of the PPAn-TPCL4-n NPs was analyzed and imaged by flow cytometry and confocal microscopy, respectively. Thus, the PhA-containing NPs specifically targeted the mitochondria, and light stimulation caused PhA-mediated therapeutic effects and imaging functions. Expanding the capabilities of these nanocarriers by incorporating other drugs should enable multiple potential applications (e.g., targeting, therapy, and imaging) for combination and synergistic treatments.
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Affiliation(s)
- Yeon Su Choi
- Department of Pharmacy and Integrated Research Institute of Pharmaceutical Sciences, College of Pharmacy, The Catholic University of Korea, 43 Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do 14662, Republic of Korea
| | - Kiyoon Kwon
- Department of Pharmacy and Integrated Research Institute of Pharmaceutical Sciences, College of Pharmacy, The Catholic University of Korea, 43 Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do 14662, Republic of Korea
| | - Kwonhyeok Yoon
- Department of Polymer Science and Engineering, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea
| | - Kang Moo Huh
- Department of Polymer Science and Engineering, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea.
| | - Han Chang Kang
- Department of Pharmacy and Integrated Research Institute of Pharmaceutical Sciences, College of Pharmacy, The Catholic University of Korea, 43 Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do 14662, Republic of Korea.
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32
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Johnston APR. Life Under the Microscope: Quantifying Live Cell Interactions to Improve Nanoscale Drug Delivery. ACS Sens 2017; 2:4-9. [PMID: 28722440 DOI: 10.1021/acssensors.6b00725] [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: 12/31/2022]
Abstract
The behavior of cells and how they react to stimuli is critically important for drug development, drug delivery, and understanding the molecular basis of many diseases. However, we still lack a comprehensive understanding of these interactions, particularly in relation to drug delivery from nanoparticles. This Sensors Issues article discusses the importance of quantifying these interactions and highlights some key areas where advances in sensor technology have the potential to transform our understanding of drug delivery and cell biology.
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Affiliation(s)
- Angus P. R. Johnston
- Drug Delivery, Disposition
and Dynamics, Monash Institute of Pharmaceutical Sciences and ARC Centre of Excellence in Convergent Bio-Nano
Science and Technology, Monash University, Parkville, Victoria 3052, Australia
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33
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Liu BY, Wu WX, Liu YH, Jia C, Yang XL, Li J, Wang N, Yu XQ. Water-soluble mitochondria-targeting polymeric prodrug micelles for fluorescence monitoring and high intracellular anticancer efficiency. Polym Chem 2017. [DOI: 10.1039/c7py01138e] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Based on TPP modification on the branch of mPEG, mitochondria-targeting prodrugs micelles realize better mitochondria target, high anticancer efficiency and a faster release at alkaline pH.
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Affiliation(s)
- Bei-Yu Liu
- Key Laboratory of Green Chemistry and Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu
| | - Wan-Xia Wu
- Key Laboratory of Green Chemistry and Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu
| | - Yan-Hong Liu
- Key Laboratory of Green Chemistry and Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu
| | - Chao Jia
- Key Laboratory of Green Chemistry and Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu
| | - Xian-Ling Yang
- Key Laboratory of Green Chemistry and Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu
| | - Jun Li
- Key Laboratory of Green Chemistry and Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu
| | - Na Wang
- Key Laboratory of Green Chemistry and Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu
| | - Xiao-Qi Yu
- Key Laboratory of Green Chemistry and Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu
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34
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Shi X, Lv G, Sun X, Cao D, Wang G, Chang Y. Amphiphilic copolymer and TPGS mixed magnetic hybrid micelles for stepwise targeted co-delivery of DOX/TPP–DOX and image-guided chemotherapy with enhanced antitumor activity in liver cancer. RSC Adv 2017. [DOI: 10.1039/c7ra00597k] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Stepwise targeted and image-guided chemotherapy with enhanced antitumor activity in liver cancer.
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Affiliation(s)
- Xiaoju Shi
- Department of Hepatobiliary & Pancreatic Surgery
- The First Hospital of Jilin University
- Changchun
- China
| | - Guoyue Lv
- Department of Hepatobiliary & Pancreatic Surgery
- The First Hospital of Jilin University
- Changchun
- China
| | - Xiaodong Sun
- Department of Hepatobiliary & Pancreatic Surgery
- The First Hospital of Jilin University
- Changchun
- China
| | - Dianbo Cao
- Department of Radiology
- The First Hospital of Jilin University
- Changchun
- China
| | - Guangyi Wang
- Department of Hepatobiliary & Pancreatic Surgery
- The First Hospital of Jilin University
- Changchun
- China
| | - Yulei Chang
- State Key Laboratory of Luminescence and Applications
- Changchun Institute of Optics
- Fine Mechanics and Physics
- Chinese Academy of Sciences
- Changchun
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35
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Wang J, Li S, Chen H, Hu R, Li M, Lv F, Liu L, Ma Y, Wang S. An intracellular anchor regulates the distribution of bioactive molecules. Chem Commun (Camb) 2016; 52:11004-7. [PMID: 27538370 DOI: 10.1039/c6cc05385h] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Based on bioorthogonal tetrazine ligation, a pre-targeted anchor strategy was developed to regulate the intracellular distribution of bioactive molecules. This strategy could solve the issue regarding the permeability and targeting ability of bioactive molecules in the specific organelles of living cells.
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Affiliation(s)
- Jianwu Wang
- Beijing National Laboratory for Molecular Science, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.
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36
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Mullick Chowdhury S, Wang TY, Bachawal S, Devulapally R, Choe JW, Abou Elkacem L, Yakub BK, Wang DS, Tian L, Paulmurugan R, Willmann JK. Ultrasound-guided therapeutic modulation of hepatocellular carcinoma using complementary microRNAs. J Control Release 2016; 238:272-280. [PMID: 27503707 DOI: 10.1016/j.jconrel.2016.08.005] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2016] [Revised: 07/05/2016] [Accepted: 08/03/2016] [Indexed: 12/22/2022]
Abstract
Treatment options for patients with hepatocellular carcinoma (HCC) are limited, in particular in advanced and drug resistant HCC. MicroRNAs (miRNA) are non-coding small RNAs that are emerging as novel drugs for the treatment of cancer. The aim of this study was to assess treatment effects of two complementary miRNAs (sense miRNA-122, and antisense antimiR-21) encapsulated in biodegradable poly (lactic-co-glycolic acid) nanoparticles (PLGA-NP), administered by an ultrasound-guided and microbubble-enhanced delivery approach in doxorubicin-resistant and non-resistant human HCC xenografts. Proliferation and invasiveness of human HCC cells after miRNA-122/antimiR-21 and doxorubicin treatment were assessed in vitro. Confocal microscopy and qRT-PCR were used to visualize and quantitate successful intracellular miRNA-loaded PLGA-NP delivery. Up and down-regulation of miRNA downstream targets and multidrug resistance proteins and extent of apoptosis were assessed in vivo in treated human HCC xenografts in mice. Compared to single miRNA therapy, combination therapy with the two complementary miRNAs resulted in significantly (P<0.05) stronger decrease in cell proliferation, invasion, and migration of HCC cells as well as higher resensitization to doxorubicin. Ultrasound-guided delivery significantly increased in vivo miRNA-loaded PLGA-NP delivery in human HCC xenografts compared to control conditions by 5-9 fold (P<0.001). miRNA-loaded PLGA-NP were internalized in HCC cells and anti-apoptotic proteins were down regulated with apoptosis in ~27% of the tumor volume of doxorubicin-resistant human HCC after a single treatment with complementary miRNAs and doxorubicin. Thus, ultrasound-guided delivery of complementary miRNAs is highly efficient in the treatment of doxorubicin- resistant and non-resistant HCC. Further development of this new treatment approach could aid in better treatment of patients with HCC.
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Affiliation(s)
- Sayan Mullick Chowdhury
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford University School of Medicine, Stanford, CA, USA
| | - Tzu-Yin Wang
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford University School of Medicine, Stanford, CA, USA
| | - Sunitha Bachawal
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford University School of Medicine, Stanford, CA, USA
| | - Rammohan Devulapally
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford University School of Medicine, Stanford, CA, USA
| | - Jung Woo Choe
- Department of Electrical Engineering, Stanford University Stanford, CA, USA
| | - Lotfi Abou Elkacem
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford University School of Medicine, Stanford, CA, USA
| | - Butrus Khuri Yakub
- Department of Electrical Engineering, Stanford University Stanford, CA, USA
| | - David S Wang
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford University School of Medicine, Stanford, CA, USA
| | - Lu Tian
- Department of Health, Research & Policy, Stanford University, Stanford, CA, USA
| | - Ramasamy Paulmurugan
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford University School of Medicine, Stanford, CA, USA.
| | - Jürgen K Willmann
- Department of Radiology, Molecular Imaging Program at Stanford, Stanford University School of Medicine, Stanford, CA, USA.
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37
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Paleos CM, Tsiourvas D, Sideratou Z. Triphenylphosphonium Decorated Liposomes and Dendritic Polymers: Prospective Second Generation Drug Delivery Systems for Targeting Mitochondria. Mol Pharm 2016; 13:2233-41. [PMID: 27280339 DOI: 10.1021/acs.molpharmaceut.6b00237] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Targeting specific intracellular organelles has been a biological process of significant interest. Specifically, for mitochondrial targeting, conventional liposomal and dendritic polymer nanoparticles were selected to be presented in this miniperspective. Both types of nanoparticles were decorated on their external surface with triphenylphosphonium cation (TPP), a well-known and effective mitochondrial targeting moiety. Due to their advantageous specificity toward mitochondria, these nanoparticles may be considered as prospective second generation drug delivery systems (DDSs). Functionalized liposomal and dendritic nanoparticles are conveniently prepared, and although they encounter several hurdles on their route from the extracellular environment to the interior of mitochondria, they manage to be accumulated inside them in experiments in vitro. Therefore, the TPP-functionalized nanoparticles presented in this miniperspective can prove effective DDSs and efforts should be continued to obtain results that will trigger further studies including clinical studies, hopefully leading to effective drugs for mitochondrial diseases. In fact, since these DDSs enter and act at the site where the dysfunction exists, a new medicine subspecialty is emerging, the so-called mitochondrial medicine.
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Affiliation(s)
- Constantinos M Paleos
- NCSR "Demokritos", Institute of Nanosciences and Nanotechnology , 15310 Aghia Paraskevi, Attiki, Greece.,Regulon SA , 7 Afxentiou Street, 17455 Alimos, Attiki Greece
| | - Dimitris Tsiourvas
- NCSR "Demokritos", Institute of Nanosciences and Nanotechnology , 15310 Aghia Paraskevi, Attiki, Greece
| | - Zili Sideratou
- NCSR "Demokritos", Institute of Nanosciences and Nanotechnology , 15310 Aghia Paraskevi, Attiki, Greece
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38
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Babikova D, Kalinova R, Zhelezova I, Momekova D, Konstantinov S, Momekov G, Dimitrov I. Functional block copolymer nanocarriers for anticancer drug delivery. RSC Adv 2016. [DOI: 10.1039/c6ra19236j] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
We present a synthetic strategy towards functional polymer-based nanocarriers for potential anticancer drug delivery.
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Affiliation(s)
| | | | | | | | | | - Georgi Momekov
- Faculty of Pharmacy
- Medical University-Sofia
- 1000 Sofia
- Bulgaria
| | - Ivaylo Dimitrov
- Institute of Polymers
- Bulgarian Academy of Sciences
- 1113 Sofia
- Bulgaria
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