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Binkhathlan Z, Yusuf O, Ali R, Alomrani AH, Alshamsan A, Alshememry AK, Almomen A, Alkholief M, Aljuffali IA, Alqahtani F, Alobid S, Ali EA, Lavasanifar A. Polycaprolactone - Vitamin E TPGS micelles for delivery of paclitaxel: In vitro and in vivo evaluation. Int J Pharm X 2024; 7:100253. [PMID: 38845681 PMCID: PMC11152975 DOI: 10.1016/j.ijpx.2024.100253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 04/18/2024] [Accepted: 05/01/2024] [Indexed: 06/09/2024] Open
Abstract
This study aimed to present findings on a paclitaxel (PTX)-loaded polymeric micellar formulation based on polycaprolactone-vitamin E TPGS (PCL-TPGS) and evaluate its in vitro anticancer activity as well as its in vivo pharmacokinetic profile in healthy mice in comparison to a marketed formulation. Micelles were prepared by a co-solvent evaporation method. The micelle's average diameter and polydispersity were determined using dynamic light scattering (DLS) technique. Drug encapsulation efficiency was assessed using an HPLC assay. The in vitro cytotoxicity was performed on human breast cancer cells (MCF-7 and MDA-MB-231) using MTT assay. The in vivo pharmacokinetic profile was characterized following a single intravenous dose of 4 mg/kg to healthy mice. The mean diameters of the prepared micelles were ≤ 100 nm. Moreover, these micelles increased the aqueous solubility of PTX from ∼0.3 μg/mL to reach nearly 1 mg/mL. While the PTX-loaded micelles showed an in vitro cytotoxicity comparable to the marketed formulation (Ebetaxel), drug-free PCL-TPGS micelles did not show any cytotoxic effects on both types of breast cancer cells (∼100% viability). Pharmacokinetics of PTX as part of PCL-TPGS showed a significant increase in its volume of distribution compared to PTX conventional formulation, Ebetaxel, which is in line with what was reported for clinical nano formulations of PTX, i.e., Abraxane, Genexol-PM, or Apealea. The findings of our studies indicate a significant potential for PCL-TPGS micelles to act as an effective system for solubilization and delivery of PTX.
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Affiliation(s)
- Ziyad Binkhathlan
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
- Nanobiotechnology Research Unit, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Osman Yusuf
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Raisuddin Ali
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
- Nanobiotechnology Research Unit, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Abdullah H. Alomrani
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
- Nanobiotechnology Research Unit, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Aws Alshamsan
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
- Nanobiotechnology Research Unit, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Abdullah K. Alshememry
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
- Nanobiotechnology Research Unit, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Aliyah Almomen
- Nanobiotechnology Research Unit, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Musaed Alkholief
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
- Nanobiotechnology Research Unit, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Ibrahim A. Aljuffali
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Faleh Alqahtani
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Saad Alobid
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Essam A. Ali
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Afsaneh Lavasanifar
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Alberta T6G 2H7, Canada
- Department of Chemical and Material Engineering, University of Alberta, Edmonton, Alberta T6G 2V4, Canada
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2
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Joma N, Bielawski P, Saini A, Kakkar A, Maysinger D. Nanocarriers for natural polyphenol senotherapeutics. Aging Cell 2024; 23:e14178. [PMID: 38685568 PMCID: PMC11113259 DOI: 10.1111/acel.14178] [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: 01/10/2024] [Revised: 04/05/2024] [Accepted: 04/08/2024] [Indexed: 05/02/2024] Open
Abstract
Senescence is a heterogenous and dynamic process in which various cell types undergo cell-cycle arrest due to cellular stressors. While senescence has been implicated in aging and many human pathologies, therapeutic interventions remain inadequate due to the absence of a comprehensive set of biomarkers in a context-dependent manner. Polyphenols have been investigated as senotherapeutics in both preclinical and clinical settings. However, their use is hindered by limited stability, toxicity, modest bioavailability, and often inadequate concentration at target sites. To address these limitations, nanocarriers such as polymer nanoparticles and lipid vesicles can be utilized to enhance the efficacy of senolytic polyphenols. Focusing on widely studied senolytic agents-specifically fisetin, quercetin, and resveratrol-we provide concise summaries of their physical and chemical properties, along with an overview of preclinical and clinical findings. We also highlight common signaling pathways and potential toxicities associated with these agents. Addressing challenges linked to nanocarriers, we present examples of senotherapeutic delivery to various cell types, both with and without nanocarriers. Finally, continued research and development of senolytic agents and nanocarriers are encouraged to reduce the undesirable effects of senescence on different cell types and organs. This review underscores the need for establishing reliable sets of senescence biomarkers that could assist in evaluating the effectiveness of current and future senotherapeutic candidates and nanocarriers.
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Affiliation(s)
- Natali Joma
- Department of Pharmacology and TherapeuticsMcGill UniversityMontrealQuebecCanada
| | | | - Anjali Saini
- Department of ChemistryMcGill UniversityMontrealQuebecCanada
| | - Ashok Kakkar
- Department of ChemistryMcGill UniversityMontrealQuebecCanada
| | - Dusica Maysinger
- Department of Pharmacology and TherapeuticsMcGill UniversityMontrealQuebecCanada
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3
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Linn JD, Rodriguez FA, Calabrese MA. Cosolvent incorporation modulates the thermal and structural response of PNIPAM/silyl methacrylate copolymers. SOFT MATTER 2024; 20:3322-3336. [PMID: 38536224 DOI: 10.1039/d4sm00246f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/18/2024]
Abstract
Polymers functionalized with inorganic silane groups have been used in wide-ranging applications due to the silane reactivity, which enables formation of covalently-crosslinked polymeric structures. Utilizing stimuli-responsive polymers in these hybrid systems can lead to smart and tunable behavior for sensing, drug delivery, and optical coatings. Previously, the thermoresponsive polymer poly(N-isopropyl acrylamide) (PNIPAM) functionalized with 3-(trimethoxysilyl)propyl methacrylate (TMA) demonstrated unique aqueous self-assembly and optical responses following temperature elevation. Here, we investigate how cosolvent addition, particularly ethanol and N,N-dimethyl formamide (DMF), impacts these transition temperatures, optical clouding, and structure formation in NIPAM/TMA copolymers. Versus purely aqueous systems, these solvent mixtures can introduce additional phase transitions and can alter the two-phase region boundaries based on temperature and solvent composition. Interestingly, TMA incorporation strongly alters phase boundaries in the water-rich regime for DMF-containing systems but not for ethanol-containing systems. Cosolvent species and content also alter the aggregation and assembly of NIPAM/TMA copolymers, but these effects depend on polymer architecture. For example, localizing the TMA towards one chain end in 'blocky' domains leads to formation of uniform micelles with narrow dispersities above the cloud point for certain solvent compositions. In contrast, polydisperse aggregates form in random copolymer and PNIPAM homopolymer solutions - the size of which depends on solvent composition. The resulting optical responses and thermoreversibility also depend strongly on cosolvent content and copolymer architecture. Cosolvent incorporation thus increases the versatility of inorganic-functionalized responsive polymers for diverse applications by providing a simple way to tune the structure size and optical response.
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Affiliation(s)
- Jason D Linn
- Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, MN 55455, USA.
| | - Fabian A Rodriguez
- Department of Mechanical Engineering, The University of Texas Rio Grande Valley, Edinburg, TX 78539, USA
| | - Michelle A Calabrese
- Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, MN 55455, USA.
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4
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Wang Q, Huang CH, Wibowo FS, Amin R, Shen J, Li F, Babu RJ. Elesclomol-Copper Nanoparticles Overcome Multidrug Resistance in Cancer Cells. ACS APPLIED MATERIALS & INTERFACES 2024; 16:13509-13524. [PMID: 38466024 DOI: 10.1021/acsami.3c17792] [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: 03/12/2024]
Abstract
Elesclomol (ES), a copper-binding ionophore, forms an ES-Cu complex with copper ions (Cu(II)). ES-Cu has been proven to induce mitochondrial oxidative stress and copper-dependent cell death (cuprotosis). However, ES-Cu is poorly water-soluble, and its delivery to various cancer cells is a challenge. Herein, we designed a d-α-tocopherol polyethylene glycol 1000 succinate/chondroitin sulfate-cholic acid (TPGS/CS-CA)-based micellar nanoparticle for delivering the ES-Cu complex to various cancer cell lines to demonstrate its efficacy as an anticancer agent. The ES-Cu nanoparticles exerted high encapsulation efficiency and excellent serum stability. The anticancer efficacy of ES-Cu nanoparticles was evaluated in various drug-sensitive cell lines (DU145, PC3, and A549) and drug-resistant cell lines (DU145TXR, PC3TXR, and A549TXR). The results showed that ES-Cu nanoparticles exerted potent anticancer activities in both drug-sensitive and drug-resistant cell lines. The Western blotting, reverse transcription quantitative polymerase chain reaction (RT-qPCR), and molecular docking results suggested that ES-Cu is not a substrate for P glycoprotein (P-gp), which is an efflux transporter potentially causing multidrug resistance (MDR) in cancer cells. ES-Cu nanoparticles could bypass P-gp without compromising their activity, indicating that they may overcome MDR in cancer cells and provide a novel therapeutic strategy. Additionally, the extracellular matrix of ES-Cu nanoparticles-pretreated drug-resistant cells could polarize Raw 264.7 macrophages into the M1 phenotype. Therefore, our TPGS/CS-CA-based ES-Cu nanoparticles provide an effective method of delivering the ES-Cu complex, a promising strategy to overcome MDR in cancer therapy with potential immune response stimulation.
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Affiliation(s)
- Qi Wang
- Department of Drug Discovery and Development, Harrison College of Pharmacy, Auburn University, Auburn, Alabama 36849, United States
| | - Chung-Hui Huang
- Department of Drug Discovery and Development, Harrison College of Pharmacy, Auburn University, Auburn, Alabama 36849, United States
| | - Fajar S Wibowo
- Department of Drug Discovery and Development, Harrison College of Pharmacy, Auburn University, Auburn, Alabama 36849, United States
| | - Rajesh Amin
- Department of Drug Discovery and Development, Harrison College of Pharmacy, Auburn University, Auburn, Alabama 36849, United States
| | - Jianzhong Shen
- Department of Drug Discovery and Development, Harrison College of Pharmacy, Auburn University, Auburn, Alabama 36849, United States
| | - Feng Li
- Department of Drug Discovery and Development, Harrison College of Pharmacy, Auburn University, Auburn, Alabama 36849, United States
- National Institute on Drug Abuse, 11601 Landsdown Street, North Bethesda, Maryland 20852, United States
| | - R Jayachandra Babu
- Department of Drug Discovery and Development, Harrison College of Pharmacy, Auburn University, Auburn, Alabama 36849, United States
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5
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Abidi SMS, Sharma C, Randhawa S, Shukla AK, Acharya A. A review on nanotechnological perspective of "the amyloid cascade hypothesis" for neurodegenerative diseases. Int J Biol Macromol 2023; 253:126821. [PMID: 37690655 DOI: 10.1016/j.ijbiomac.2023.126821] [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: 08/02/2023] [Revised: 09/03/2023] [Accepted: 09/07/2023] [Indexed: 09/12/2023]
Abstract
Neurodegenerative diseases (NDs) are characterized by progressive degeneration of neurons which deteriorates the brain functions. An early detection of the onset of NDs is utmost important, as it will provide the fast treatment strategies to prevent further progression of the disease. Conventionally, accurate diagnosis of the brain related disorders is difficult in their early phase. To solve this problem, nanotechnology based neurofunctional imaging and biomarker detection techniques have been developed which allows high specificity and sensitivity towards screening and diagnosis of NDs. Another challenge to treat the brain related disorders is to overcome the complex integrity of blood-brain-barrier (BBB) for the delivery of theranostic agents. Fortunately, utilization of nanomaterials has been pursued as promising strategy to address this challenge. Herein, we critically highlighted the recent improvements in the field of neurodiagnostic and therapeutic approaches involving innovative strategies for diagnosis, and inhibition of protein aggregates. We have provided particular emphasis on the use of nanotechnology which can push forward the blooming research growth in this field to win the battle against devastating NDs.
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Affiliation(s)
- Syed M S Abidi
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, H.P. 176061, India; Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Chandni Sharma
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, H.P. 176061, India; Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Shiwani Randhawa
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, H.P. 176061, India; Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Ashish K Shukla
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, H.P. 176061, India; Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Amitabha Acharya
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, H.P. 176061, India; Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India.
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6
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Shalmani AA, Wang A, Ahmed Z, Sheybanifard M, Mihyar R, Buhl EM, Pohl M, Hennink WE, Kiessling F, Metselaar JM, Shi Y, Lammers T, Peña Q. Tunable polymeric micelles for taxane and corticosteroid co-delivery. Drug Deliv Transl Res 2023:10.1007/s13346-023-01465-x. [PMID: 37962836 DOI: 10.1007/s13346-023-01465-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/22/2023] [Indexed: 11/15/2023]
Abstract
Nanomedicine holds promise for potentiating drug combination therapies. Increasing (pre)clinical evidence is available exemplifying the value of co-formulating and co-delivering different drugs in modular nanocarriers. Taxanes like paclitaxel (PTX) are widely used anticancer agents, and commonly combined with corticosteroids like dexamethasone (DEX), which besides for suppressing inflammation and infusion reactions, are increasingly explored for modulating the tumor microenvironment towards enhanced nano-chemotherapy delivery and efficacy. We here set out to develop a size- and release rate-tunable polymeric micelle platform for co-delivery of taxanes and corticosteroids. We synthesized amphiphilic mPEG-b-p(HPMAm-Bz) block copolymers of various molecular weights and used them to prepare PTX and DEX single- and double-loaded micelles of different sizes. Both drugs could be efficiently co-encapsulated, and systematic comparison between single- and co-loaded formulations demonstrated comparable physicochemical properties, encapsulation efficiencies, and release profiles. Larger micelles showed slower drug release, and DEX release was always faster than PTX. The versatility of the platform was exemplified by co-encapsulating two additional taxane-corticosteroid combinations, demonstrating that drug hydrophobicity and molecular weight are key properties that strongly contribute to drug retention in micelles. Altogether, our work shows that mPEG-b-p(HPMAm-Bz) polymeric micelles serve as a tunable and versatile nanoparticle platform for controlled co-delivery of taxanes and corticosteroids, thereby paving the way for using these micelles as a modular carrier for multidrug nanomedicine.
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Affiliation(s)
- Armin Azadkhah Shalmani
- Institute for Experimental Molecular Imaging, RWTH Aachen University Hospital, Forckenbeckstrasse 55, 52074, Aachen, Germany
| | - Alec Wang
- Institute for Experimental Molecular Imaging, RWTH Aachen University Hospital, Forckenbeckstrasse 55, 52074, Aachen, Germany
| | - Zaheer Ahmed
- Institute for Experimental Molecular Imaging, RWTH Aachen University Hospital, Forckenbeckstrasse 55, 52074, Aachen, Germany
| | - Maryam Sheybanifard
- Institute for Experimental Molecular Imaging, RWTH Aachen University Hospital, Forckenbeckstrasse 55, 52074, Aachen, Germany
| | - Rahaf Mihyar
- Institute for Experimental Molecular Imaging, RWTH Aachen University Hospital, Forckenbeckstrasse 55, 52074, Aachen, Germany
| | - Eva Miriam Buhl
- Electron Microscopy Facility, Institute of Pathology, RWTH University Hospital, Pauwelsstrasse 30, 52074, Aachen, Germany
| | - Michael Pohl
- DWI - Leibniz-Institute for Interactive Materials, Forckenbeckstrasse 50, 52074, Aachen, Germany
| | - Wim E Hennink
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, 3508 TB, Utrecht, The Netherlands
| | - Fabian Kiessling
- Institute for Experimental Molecular Imaging, RWTH Aachen University Hospital, Forckenbeckstrasse 55, 52074, Aachen, Germany
| | - Josbert M Metselaar
- Institute for Experimental Molecular Imaging, RWTH Aachen University Hospital, Forckenbeckstrasse 55, 52074, Aachen, Germany
| | - Yang Shi
- Institute for Experimental Molecular Imaging, RWTH Aachen University Hospital, Forckenbeckstrasse 55, 52074, Aachen, Germany
| | - Twan Lammers
- Institute for Experimental Molecular Imaging, RWTH Aachen University Hospital, Forckenbeckstrasse 55, 52074, Aachen, Germany.
| | - Quim Peña
- Institute for Experimental Molecular Imaging, RWTH Aachen University Hospital, Forckenbeckstrasse 55, 52074, Aachen, Germany.
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7
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Shalmani AA, Ahmed Z, Sheybanifard M, Wang A, Weiler M, Buhl EM, Klinkenberg G, Schmid R, Hennink W, Kiessling F, Metselaar JM, Lammers T, Peña Q, Shi Y. Effect of Radical Polymerization Method on Pharmaceutical Properties of Π Electron-Stabilized HPMA-Based Polymeric Micelles. Biomacromolecules 2023; 24:4444-4453. [PMID: 36753733 DOI: 10.1021/acs.biomac.2c01261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
Polymeric micelles are among the most extensively used drug delivery systems. Key properties of micelles, such as size, size distribution, drug loading, and drug release kinetics, are crucial for proper therapeutic performance. Whether polymers from more controlled polymerization methods produce micelles with more favorable properties remains elusive. To address this question, we synthesized methoxy poly(ethylene glycol)-b-(N-(2-benzoyloxypropyl)methacrylamide) (mPEG-b-p(HPMAm-Bz)) block copolymers of three different comparable molecular weights (∼9, 13, and 20 kDa), via both conventional free radical (FR) and reversible addition-fragmentation chain transfer (RAFT) polymerization. The polymers were subsequently employed to prepare empty and paclitaxel-loaded micelles. While FR polymers had relatively high dispersities (Đ ∼ 1.5-1.7) compared to their RAFT counterparts (Đ ∼ 1.1-1.3), they formed micelles with similar pharmaceutical properties (e.g., size, size distribution, critical micelle concentration, cytotoxicity, and drug loading and retention). Our findings suggest that pharmaceutical properties of mPEG-b-p(HPMAm-Bz) micelles do not depend on the synthesis route of their constituent polymers.
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Affiliation(s)
- Armin Azadkhah Shalmani
- Institute for Experimental Molecular Imaging, RWTH Aachen University Hospital, 52074 Aachen, Germany
| | - Zaheer Ahmed
- Institute for Experimental Molecular Imaging, RWTH Aachen University Hospital, 52074 Aachen, Germany
| | - Maryam Sheybanifard
- Institute for Experimental Molecular Imaging, RWTH Aachen University Hospital, 52074 Aachen, Germany
| | - Alec Wang
- Institute for Experimental Molecular Imaging, RWTH Aachen University Hospital, 52074 Aachen, Germany
| | - Marek Weiler
- Institute for Experimental Molecular Imaging, RWTH Aachen University Hospital, 52074 Aachen, Germany
| | - Eva Miriam Buhl
- Electron Microscopy Facility, Institute of Pathology, RWTH University Hospital, 52074 Aachen, Germany
| | - Geir Klinkenberg
- Department of Biotechnology and Nanomedicine, SINTEF Industry, 7034, Trondheim, Norway
| | - Ruth Schmid
- Department of Biotechnology and Nanomedicine, SINTEF Industry, 7034, Trondheim, Norway
| | - Wim Hennink
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, 3508 TB Utrecht, The Netherlands
| | - Fabian Kiessling
- Institute for Experimental Molecular Imaging, RWTH Aachen University Hospital, 52074 Aachen, Germany
| | - Josbert M Metselaar
- Institute for Experimental Molecular Imaging, RWTH Aachen University Hospital, 52074 Aachen, Germany
| | - Twan Lammers
- Institute for Experimental Molecular Imaging, RWTH Aachen University Hospital, 52074 Aachen, Germany
| | - Quim Peña
- Institute for Experimental Molecular Imaging, RWTH Aachen University Hospital, 52074 Aachen, Germany
| | - Yang Shi
- Institute for Experimental Molecular Imaging, RWTH Aachen University Hospital, 52074 Aachen, Germany
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Hebels ER, Bindt F, Walther J, van Geijn M, Weterings J, Hu Q, Colombo C, Liskamp R, Rijcken C, Hennink WE, Vermonden T. Orthogonal Covalent Entrapment of Cargo into Biodegradable Polymeric Micelles via Native Chemical Ligation. Biomacromolecules 2023; 24:4385-4396. [PMID: 36044412 PMCID: PMC10565831 DOI: 10.1021/acs.biomac.2c00865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 08/18/2022] [Indexed: 11/29/2022]
Abstract
Polymeric micelles (PMs) are promising platforms for enhanced tissue targeting of entrapped therapeutic agents. Strategies to circumvent premature release of entrapped drugs include cross-linking of the micellar core as well as covalent attachment of the drug cargo. The chemistry employed to obtain cross-linked micelles needs to be mild to also allow entrapment of fragile molecules, such as certain peptides, proteins, oligonucleotides, and fluorescent dyes. Native chemical ligation (NCL) is a mild bio-orthogonal reaction between a N-terminal cysteine residue and a thioester that proceeds under physiological conditions. Here, we designed a trifunctional cross-linker containing two cysteine residues for the micelle core-cross-linking reaction and an azide residue for ring-strained alkyne conjugation of fluorescent dyes. We applied this approach to thermosensitive methoxypolyethylene glycol-b-N-(2-hydroxypropyl)methacrylamide-lactate (mPEG-b-HPMAmLacn) based block copolymers of a core-cross-linked polymeric micelle (CCPM) system by attaching thioester residues (using ethyl thioglycolate-succinic anhydride, ETSA) for NCL cross-linking with the trifunctional cross-linker under physiological conditions. By use of mild copper-free click chemistry, we coupled fluorescent dyes, Sulfo.Cy5 and BODIPY, to the core via the azide residue present on the cross-linker by triazole ring formation. In addition, we employed a recently developed cycloheptyne strain promoted click reagent (TMTHSI, CliCr) in comparison to the frequently employed cyclooctyne derivative (DBCO), both achieving successful dye entrapment. The size of the resulting CCPMs could be tuned between 50 and 100 nm by varying the molecular weight of the thermosensitive block and ETSA content. In vitro cell experiments showed successful internalization of the dye entrapped CCPMs, which did not affect cell viability up to a polymer concentration of 2 mg/mL in PC3 cells. These fluorescent dye entrapped CCPMs can be applied in diagnostic imaging and the chemistry developed in this study serves as a steppingstone toward covalently entrapped fragile drug compounds with tunable release in CCPMs.
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Affiliation(s)
- Erik R. Hebels
- Division
of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, 3508 TB Utrecht, The Netherlands
| | - Felix Bindt
- Division
of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, 3508 TB Utrecht, The Netherlands
| | - Johanna Walther
- Division
of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, 3508 TB Utrecht, The Netherlands
| | | | | | - Qizhi Hu
- Cristal
Therapeutics, 6229 EV Maastricht, The Netherlands
| | | | - Rob Liskamp
- Cristal
Therapeutics, 6229 EV Maastricht, The Netherlands
| | | | - Wim E. Hennink
- Division
of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, 3508 TB Utrecht, The Netherlands
| | - Tina Vermonden
- Division
of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, 3508 TB Utrecht, The Netherlands
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9
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Chapa-Villarreal FA, Miller M, Rodriguez-Cruz JJ, Pérez-Carlos D, Peppas NA. Self-assembled block copolymer biomaterials for oral delivery of protein therapeutics. Biomaterials 2023; 300:122191. [PMID: 37295223 DOI: 10.1016/j.biomaterials.2023.122191] [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: 02/23/2023] [Revised: 05/17/2023] [Accepted: 06/04/2023] [Indexed: 06/12/2023]
Abstract
Protein therapeutics have guided a transformation in disease treatment for various clinical conditions. They have been successful in numerous applications, but administration of protein therapeutics has been limited to parenteral routes which can decrease patient compliance as they are invasive and painful. In recent years, the synergistic relationship of novel biomaterials with modern protein therapeutics has been crucial in the treatment of diseases that were once thought of as incurable. This has guided the development of a variety of alternative administration routes, but the oral delivery of therapeutics remains one of the most desirable due to its ease of administration. This review addresses important aspects of micellar structures prepared by self-assembled processes with applications for oral delivery. These two characteristics have not been placed together in previous literature within the field. Therefore, we describe the barriers for delivery of protein therapeutics, and we concentrate in the oral/transmucosal pathway where drug carriers must overcome several chemical, physical, and biological barriers to achieve a successful therapeutic effect. We critically discuss recent research on biomaterials systems for delivering such therapeutics with an emphasis on self-assembled synthetic block copolymers. Polymerization methods and nanoparticle preparation techniques are similarly analyzed as well as relevant work in this area. Based on our own and others' research, we analyze the use of block copolymers as therapeutic carriers and their promise in treating a variety of diseases, with emphasis on self-assembled micelles for the next generation of oral protein therapeutic systems.
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Affiliation(s)
- Fabiola A Chapa-Villarreal
- Department of Chemical Engineering, The University of Texas at Austin, Austin, TX, USA; Institute for Biomaterials, Drug Delivery, and Regenerative Medicine, The University of Texas at Austin, Austin TX, USA
| | - Matthew Miller
- Department of Chemical Engineering, The University of Texas at Austin, Austin, TX, USA; Institute for Biomaterials, Drug Delivery, and Regenerative Medicine, The University of Texas at Austin, Austin TX, USA
| | - J Jesus Rodriguez-Cruz
- Institute for Biomaterials, Drug Delivery, and Regenerative Medicine, The University of Texas at Austin, Austin TX, USA; Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX, USA
| | - Diego Pérez-Carlos
- Department of Chemical Engineering, The University of Texas at Austin, Austin, TX, USA; Institute for Biomaterials, Drug Delivery, and Regenerative Medicine, The University of Texas at Austin, Austin TX, USA
| | - Nicholas A Peppas
- Department of Chemical Engineering, The University of Texas at Austin, Austin, TX, USA; Institute for Biomaterials, Drug Delivery, and Regenerative Medicine, The University of Texas at Austin, Austin TX, USA; Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX, USA; Division of Molecular Pharmaceutics and Drug Delivery, College of Pharmacy, The University of Texas at Austin, Austin TX, USA; Department of Surgery and Perioperative Care, Dell Medical School, The University of Texas at Austin, Austin, TX, USA; Department of Pediatrics, Dell Medical School, The University of Texas at Austin, Austin, TX, USA.
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10
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Douka S, Brandenburg LE, Casadidio C, Walther J, Garcia BBM, Spanholtz J, Raimo M, Hennink WE, Mastrobattista E, Caiazzo M. Lipid nanoparticle-mediated messenger RNA delivery for ex vivo engineering of natural killer cells. J Control Release 2023; 361:455-469. [PMID: 37567506 DOI: 10.1016/j.jconrel.2023.08.014] [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: 02/28/2023] [Revised: 06/28/2023] [Accepted: 08/08/2023] [Indexed: 08/13/2023]
Abstract
Natural killer (NK) cells participate in the immune system by eliminating cancer and virally infected cells through germline-encoded surface receptors. Their independence from prior activation as well as their significantly lower toxicity have placed them in the spotlight as an alternative to T cells for adoptive cell therapy (ACT). Engineering NK cells with mRNA has shown great potential in ACT by enhancing their tumor targeting and cytotoxicity. However, mRNA transfection of NK cells is challenging, as the most common delivery methods, such as electroporation, show limitations. Therefore, an alternative non-viral delivery system that enables high mRNA transfection efficiency with preservation of the cell viability would be beneficial for the development of NK cell therapies. In this study, we investigated both polymeric and lipid nanoparticle (LNP) formulations for eGFP-mRNA delivery to NK cells, based on a dimethylethanolamine and diethylethanolamine polymeric library and on different ionizable lipids, respectively. The mRNA nanoparticles based on cationic polymers showed limited internalization by NK cells and low transfection efficiency. On the other hand, mRNA-LNP formulations were optimized by tailoring the lipid composition and the microfluidic parameters, resulting in a high transfection efficiency (∼100%) and high protein expression in NK cells. In conclusion, compared to polyplexes and electroporation, the optimized LNPs show a greater transfection efficiency and higher overall eGFP expression, when tested in NK (KHYG-1) and T (Jurkat) cell lines, and cord blood-derived NK cells. Thus, LNP-based mRNA delivery represents a promising strategy to further develop novel NK cell therapies.
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Affiliation(s)
- Stefania Douka
- Pharmaceutics division, Utrecht Institute for Pharmaceutical Sciences (UIPS), Faculty of Science, Utrecht University, Universiteitsweg 99, 3584, CG, Utrecht, the Netherlands
| | - Lisa E Brandenburg
- Pharmaceutics division, Utrecht Institute for Pharmaceutical Sciences (UIPS), Faculty of Science, Utrecht University, Universiteitsweg 99, 3584, CG, Utrecht, the Netherlands
| | - Cristina Casadidio
- Pharmaceutics division, Utrecht Institute for Pharmaceutical Sciences (UIPS), Faculty of Science, Utrecht University, Universiteitsweg 99, 3584, CG, Utrecht, the Netherlands; School of Pharmacy, Drug Delivery Division, University of Camerino, CHiP Research Center, Via Madonna delle Carceri, 62032 Camerino, MC, Italy
| | - Johanna Walther
- Pharmaceutics division, Utrecht Institute for Pharmaceutical Sciences (UIPS), Faculty of Science, Utrecht University, Universiteitsweg 99, 3584, CG, Utrecht, the Netherlands
| | - Bianca Bonetto Moreno Garcia
- Pharmaceutics division, Utrecht Institute for Pharmaceutical Sciences (UIPS), Faculty of Science, Utrecht University, Universiteitsweg 99, 3584, CG, Utrecht, the Netherlands; Department of Biophysics, Paulista School of Medicine, Federal University of São Paulo, São Paulo 04023-062, Brazil
| | - Jan Spanholtz
- Glycostem Therapeutics B.V., Kloosterstraat 9, 5349 AB Oss, the Netherlands
| | - Monica Raimo
- Glycostem Therapeutics B.V., Kloosterstraat 9, 5349 AB Oss, the Netherlands
| | - Wim E Hennink
- Pharmaceutics division, Utrecht Institute for Pharmaceutical Sciences (UIPS), Faculty of Science, Utrecht University, Universiteitsweg 99, 3584, CG, Utrecht, the Netherlands
| | - Enrico Mastrobattista
- Pharmaceutics division, Utrecht Institute for Pharmaceutical Sciences (UIPS), Faculty of Science, Utrecht University, Universiteitsweg 99, 3584, CG, Utrecht, the Netherlands.
| | - Massimiliano Caiazzo
- Pharmaceutics division, Utrecht Institute for Pharmaceutical Sciences (UIPS), Faculty of Science, Utrecht University, Universiteitsweg 99, 3584, CG, Utrecht, the Netherlands; Department of Molecular Medicine and Medical Biotechnology, University of Naples "Federico II", Via Pansini 5, 80131 Naples, Italy.
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11
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Hebels ER, van Steenbergen MJ, Haegebaert R, Seinen CW, Mesquita BS, van den Dikkenberg A, Remaut K, Rijcken CJF, van Ravensteijn BGP, Hennink WE, Vermonden T. Mechanistic Study on the Degradation of Hydrolysable Core-Crosslinked Polymeric Micelles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:12132-12143. [PMID: 37581242 PMCID: PMC10469444 DOI: 10.1021/acs.langmuir.3c01399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 07/20/2023] [Indexed: 08/16/2023]
Abstract
Core-crosslinked polymeric micelles (CCPMs) are an attractive class of nanocarriers for drug delivery. Two crosslinking approaches to form CCPMs exist: either via a low-molecular-weight crosslinking agent to connect homogeneous polymer chains with reactive handles or via cross-reactive handles on polymers to link them to each other (complementary polymers). Previously, CCPMs based on methoxy poly(ethylene glycol)-b-poly[N-(2-hydroxypropyl) methacrylamide-lactate] (mPEG-b-PHPMAmLacn) modified with thioesters were crosslinked via native chemical ligation (NCL, a reaction between a cysteine residue and thioester resulting in an amide bond) using a bifunctional cysteine containing crosslinker. These CCPMs are degradable under physiological conditions due to hydrolysis of the ester groups present in the crosslinks. The rapid onset of degradation observed previously, as measured by the light scattering intensity, questions the effectiveness of crosslinking via a bifunctional agent. Particularly due to the possibility of intrachain crosslinks that can occur using such a small crosslinker, we investigated the degradation mechanism of CCPMs generated via both approaches using various analytical techniques. CCPMs based on complementary polymers degraded slower at pH 7.4 and 37 °C than CCPMs with a crosslinker (the half-life of the light scattering intensity was approximately 170 h versus 80 h, respectively). Through comparative analysis of the degradation profiles of the two different CCPMs, we conclude that partially ineffective intrachain crosslinks are likely formed using the small crosslinker, which contributed to more rapid CCPM degradation. Overall, this study shows that the type of crosslinking approach can significantly affect degradation kinetics, and this should be taken into consideration when developing new degradable CCPM platforms.
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Affiliation(s)
- Erik R. Hebels
- Department
of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, 3508 TB Utrecht, The Netherlands
| | - Mies J. van Steenbergen
- Department
of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, 3508 TB Utrecht, The Netherlands
| | - Ragna Haegebaert
- Laboratory
for General Biochemistry and Physical Pharmacy, Ghent University, Ottergemsesteenweg 460, 9000 Gent, Belgium
| | - Cornelis W. Seinen
- Division
Laboratories, Pharmacy and Biomedical Genetics, Central Diagnostic
Lab, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands
| | - Barbara S. Mesquita
- Department
of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, 3508 TB Utrecht, The Netherlands
| | - Antoinette van den Dikkenberg
- Department
of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, 3508 TB Utrecht, The Netherlands
| | - Katrien Remaut
- Laboratory
for General Biochemistry and Physical Pharmacy, Ghent University, Ottergemsesteenweg 460, 9000 Gent, Belgium
| | | | - Bas G. P. van Ravensteijn
- Department
of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, 3508 TB Utrecht, The Netherlands
| | - Wim E. Hennink
- Department
of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, 3508 TB Utrecht, The Netherlands
| | - Tina Vermonden
- Department
of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, 3508 TB Utrecht, The Netherlands
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12
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Guo C, Yuan H, Yu Y, Gao Z, Zhang Y, Yin T, He H, Gou J, Tang X. FRET-based analysis on the structural stability of polymeric micelles: Another key attribute beyond PEG coverage and particle size affecting the blood clearance. J Control Release 2023; 360:734-746. [PMID: 37454913 DOI: 10.1016/j.jconrel.2023.07.026] [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: 05/04/2023] [Revised: 07/12/2023] [Accepted: 07/13/2023] [Indexed: 07/18/2023]
Abstract
Various attributes of micelles, such as PEG density and particle size, are considered to be related to blood clearance. The structural stability of micelles is another key attribute that will affect the in vivo fate. This study employed fluorescence resonance energy transfer (FRET) analysis to guide the preparation of polymeric micelles with different structural stability. Micelles prepared using copolymers with longer hydrophobic blocks showed higher structural stability; emulsification was a better method than nanoprecipitation to prepare stable micelles. The fast chain exchange kinetics and the high-water content of micellar cores explained the low structural stability of those micelles. Moreover, this study highlighted the importance of structural stability that affected blood clearance in concert with PEG length and particle size. One-third of the small and stable micelles were detected in the blood 24 h after injection. While unstable micelles would be cleared from the circulation within 4 h. Notably, there would be a threshold of structural stability. Micelles with structural stability below this threshold were quickly cleared even if they possessed a longer PEG length and a smaller size. In contrast, higher structural stability allowed polymeric micelles to maintain higher integrity in vivo and enhance tumor accumulation and anti-tumor efficacy. In conclusion, this study systematically analyzed the importance of the structural stability of micelles on the in vivo fate.
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Affiliation(s)
- Chen Guo
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, Liaoning, PR China
| | - Haoyang Yuan
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, Liaoning, PR China
| | - Ying Yu
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, Liaoning, PR China
| | - Zhencheng Gao
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, Liaoning, PR China
| | - Yu Zhang
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, Liaoning, PR China
| | - Tian Yin
- School of Functional Food and Wine, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, Liaoning, PR China
| | - Haibing He
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, Liaoning, PR China
| | - Jingxin Gou
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, Liaoning, PR China.
| | - Xing Tang
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, Liaoning, PR China.
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13
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Chen X, Gholizadeh S, Ghovvati M, Wang Z, Jellen MJ, Mostafavi A, Dana R, Annabi N. Engineering a drug eluting ocular patch for delivery and sustained release of anti-inflammatory therapeutics. AIChE J 2023; 69:e18067. [PMID: 38250665 PMCID: PMC10798673 DOI: 10.1002/aic.18067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 01/25/2023] [Indexed: 01/23/2024]
Abstract
Ocular inflammation is commonly associated with eye disease or injury. Effective and sustained ocular delivery of therapeutics remains a challenge due to the eye physiology and structural barriers. Herein, we engineered a photocrosslinkable adhesive patch (GelPatch) incorporated with micelles (MCs) loaded with Loteprednol etabonate (LE) for delivery and sustained release of drug. The engineered drug loaded adhesive hydrogel, with controlled physical properties, provided a matrix with high adhesion to the ocular surfaces. The incorporation of MCs within the GelPatch enabled solubilization of LE and its sustained release within 15 days. In vitro studies showed that MC loaded GelPatch supported cell viability and growth. In addition, subcutaneous implantation of the MC loaded GelPatch in rats confirmed its in vivo biocompatibility and stability within 28 days. This non-invasive, adhesive, and biocompatible drug eluting patch can be used as a matrix for the delivery and sustained release of hydrophobic drugs.
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Affiliation(s)
- Xi Chen
- Department of Chemical and Biomolecular Engineering, University of California- Los Angeles, Los Angeles, CA, USA
| | - Shima Gholizadeh
- Department of Chemical and Biomolecular Engineering, University of California- Los Angeles, Los Angeles, CA, USA
| | - Mahsa Ghovvati
- Department of Chemical and Biomolecular Engineering, University of California- Los Angeles, Los Angeles, CA, USA
| | - Ziqing Wang
- Department of Chemical and Biomolecular Engineering, University of California- Los Angeles, Los Angeles, CA, USA
| | - Marcus J. Jellen
- Department of Chemistry and Biochemistry, University of California- Los Angeles, Los Angeles, CA, USA
| | - Azadeh Mostafavi
- Department of Chemical and Biomolecular Engineering, University of California- Los Angeles, Los Angeles, CA, USA
| | - Reza Dana
- Schepens Eye Research Institute, Mass Eye and Ear, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA
| | - Nasim Annabi
- Department of Chemical and Biomolecular Engineering, University of California- Los Angeles, Los Angeles, CA, USA
- Department of Bioengineering, University of California- Los Angeles, Los Angeles, CA, USA
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14
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Kumar P, Kim SH, Yadav S, Jo SH, Yoo S, Park SH, Lim KT. Redox-Responsive Core-Cross-Linked Micelles of Miktoarm Poly(ethylene oxide)- b-poly(furfuryl methacrylate) for Anticancer Drug Delivery. ACS APPLIED MATERIALS & INTERFACES 2023; 15:12719-12734. [PMID: 36848457 DOI: 10.1021/acsami.2c21152] [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: 06/18/2023]
Abstract
The physiological instability of nanocarriers, premature drug leakage during blood circulation, and associated severe side effects cause compromised therapeutic efficacy, which have significantly hampered the progress of nanomedicines. The cross-linking of nanocarriers while keeping the effectiveness of their degradation at the targeted site to release the drug has emerged as a potent strategy to overcome these flaws. Herein, we have designed novel (poly(ethylene oxide))2-b-poly(furfuryl methacrylate) ((PEO2K)2-b-PFMAnk) miktoarm amphiphilic block copolymers by coupling alkyne-functionalized PEO (PEO2K-C≡H) and diazide-functionalized poly(furfuryl methacrylate) ((N3)2-PFMAnk) via click chemistry. (PEO2K)2-b-PFMAnk self-assembled to form nanosized micelles (mikUCL) with hydrodynamic radii in the range of 25∼33 nm. The hydrophobic core of mikUCL was cross-linked by a disulfide-containing cross-linker using the Diels-Alder reaction to avoid unwanted leakage and burst release of a payload. As expected, the resulting core-cross-linked (PEO2K)2-b-PFMAnk micelles (mikCCL) exhibited superior stability under a normal physiological environment and were de-cross-linked to rapidly release doxorubicin (DOX) upon exposure to a reduction environment. The micelles were compatible with HEK-293 normal cells, while DOX-loaded micelles (mikUCL/DOX and mikCCL/DOX) induced high antitumor activity in HeLa and HT-29 cells. mikCCL/DOX preferentially accumulated at the tumor site and was more efficacious than free DOX and mikUCL/DOX for tumor inhibition in HT-29 tumor-bearing nude mice.
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Affiliation(s)
- Parveen Kumar
- Department of Display Engineering, Pukyong National University, Busan 48513, South Korea
| | - Seon-Hwa Kim
- Department of Industry 4.0 Convergence Bionics Engineering, Pukyong National University, Busan 48513, South Korea
| | - Sonyabapu Yadav
- Department of Smart Green Technology Engineering, Pukyong National University, Busan 48513, South Korea
| | - Sung-Han Jo
- Department of Industry 4.0 Convergence Bionics Engineering, Pukyong National University, Busan 48513, South Korea
| | - Seong Yoo
- Department of Polymer Engineering, Pukyong National University, Busan 48513, South Korea
| | - Sang-Hyug Park
- Department of Industry 4.0 Convergence Bionics Engineering, Pukyong National University, Busan 48513, South Korea
| | - Kwon Taek Lim
- Department of Display Engineering, Pukyong National University, Busan 48513, South Korea
- Department of Smart Green Technology Engineering, Pukyong National University, Busan 48513, South Korea
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15
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de Prinse M, Qi R, Amsden BG. Polymer micelles for the protection and delivery of specialized pro-resolving mediators. Eur J Pharm Biopharm 2023; 184:159-169. [PMID: 36720371 DOI: 10.1016/j.ejpb.2023.01.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 01/18/2023] [Accepted: 01/25/2023] [Indexed: 01/31/2023]
Abstract
Specialized pro-resolving mediators (SPMs) are being considered for the treatment of chronic inflammatory diseases. However, these polyunsaturated fatty acids are prone to oxidation and as a result have a short biological half-life. It was reasoned that a micelle formulation would provide sustained delivery of SPMs while providing protection from oxidation. Thus, micelle formulations were prepared with poly(ethylene glycol) (PEG) as the hydrophilic block and poly(trimethylene carbonate) (PT) containing unsaturated pendant groups, specifically benzyloxy (BT) and sorbate (ST) groups, as the hydrophobic block. The potential of these micelles was assessed using linoleic acid as a model SPM. Loading into a micelle core reduced the extent of oxidation of the model SPM and a sustained release of non-oxidized model drug was achieved for up to 20 days in vitro from the PEG-P(T-BT) micelles. These micelles were also non-cytotoxic over a wide concentration range, demonstrating the potential of this formulation for effective SPM release in vivo.
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Affiliation(s)
- Mitchell de Prinse
- Department of Chemical Engineering and Centre for Health Innovation Queen's University, Kingston, ON K7L 3N6, Canada
| | - Ronghui Qi
- Department of Chemical Engineering and Centre for Health Innovation Queen's University, Kingston, ON K7L 3N6, Canada
| | - Brian G Amsden
- Department of Chemical Engineering and Centre for Health Innovation Queen's University, Kingston, ON K7L 3N6, Canada
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16
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Priwitaningrum DL, Pednekar K, Gabriël AV, Varela-Moreira AA, Le Gac S, Vellekoop I, Storm G, Hennink WE, Prakash J. Evaluation of paclitaxel-loaded polymeric nanoparticles in 3D tumor model: impact of tumor stroma on penetration and efficacy. Drug Deliv Transl Res 2023; 13:1470-1483. [PMID: 36853438 PMCID: PMC10102101 DOI: 10.1007/s13346-023-01310-1] [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] [Accepted: 02/02/2023] [Indexed: 03/01/2023]
Abstract
Since tumor stroma poses as a barrier to achieve efficacy of nanomedicines, it is essential to evaluate nano-chemotherapeutics in stroma-mimicking 3D models that reliably predict their behavior regarding these hurdles limiting efficacy. In this study, we evaluated the effect of paclitaxel-loaded polymeric micelles (PTX-PMCs) and polymeric nanoparticles (PTX-PNPs) in a tumor stroma-mimicking 3D in vitro model. PTX-PMCs (77 nm) based on a amphiphilic block copolymer of mPEG-b-p(HPMAm-Bz) and PTX-PNPs (159 nm) based on poly(lactic-co-glycolic acid) were prepared, which had an encapsulation efficiency (EE%) of 81 ± 15% and 45 ± 8%, respectively. 3D homospheroids of mouse 4T1 breast cancer cells and heterospheroids of NIH3T3 fibroblasts and 4T1 (5:1 ratio) were prepared and characterized with high content two-photon microscopy and immunostaining. Data showed an induction of epithelial-mesenchymal transition (α-SMA) in both homo- and heterospheroids, while ECM (collagen) deposition only in heterospheroids. Two-photon imaging revealed that both fluorescently labeled PMCs and PNPs penetrated into the core of homospheroids and only PMCs penetrated into heterospheroids. Furthermore, PTX-PMCs, PTX-PNPs, and free PTX induced cytotoxicity in tumor cells and fibroblasts grown as monolayer, but these effects were substantially reduced in 3D models, in particular in heterospheroids. Gene expression analysis showed that heterospheroids had a significant increase of drug resistance markers (Bcl2, Abgc2) compared to 2D or 3D monocultures. Altogether, this study shows that the efficacy of nanotherapeutics is challenged by stroma-induced poor penetration and development of resistant phenotype. Therefore, this tumor stroma-mimicking 3D model can provide an excellent platform to study penetration and effects of nanotherapeutics before in vivo studies.
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Affiliation(s)
- Dwi L Priwitaningrum
- Engineered Therapeutics, Department of Advanced Organ Bioengineering and Therapeutics, TechMed Centre, Faculty of Science and Technology, University of Twente, Drienerlolaan 5, 7500AE, Enschede, The Netherlands
- Department of Pharmaceutics, Faculty of Pharmacy, Universitas Sumatera Utara, Medan, Indonesia
| | - Kunal Pednekar
- Engineered Therapeutics, Department of Advanced Organ Bioengineering and Therapeutics, TechMed Centre, Faculty of Science and Technology, University of Twente, Drienerlolaan 5, 7500AE, Enschede, The Netherlands
| | - Alexandros V Gabriël
- Engineered Therapeutics, Department of Advanced Organ Bioengineering and Therapeutics, TechMed Centre, Faculty of Science and Technology, University of Twente, Drienerlolaan 5, 7500AE, Enschede, The Netherlands
| | - Aida A Varela-Moreira
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - Severine Le Gac
- Applied Microfluidics for BioEngineering Research, Faculty of Electrical Engineering, Mathematics and Computer Science, MESA+ Institute for Nanotechnology, TechMed Centre, University of Twente, Enschede, The Netherlands
| | - Ivo Vellekoop
- Biomedical Photonic Imaging, Faculty of Science and Technology, University of Twente, Enschede, The Netherlands
| | - Gert Storm
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - Wim E Hennink
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - Jai Prakash
- Engineered Therapeutics, Department of Advanced Organ Bioengineering and Therapeutics, TechMed Centre, Faculty of Science and Technology, University of Twente, Drienerlolaan 5, 7500AE, Enschede, The Netherlands.
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17
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Saeedi M, Vahidi O, Moghbeli MR, Ahmadi S, Asadnia M, Akhavan O, Seidi F, Rabiee M, Saeb MR, Webster TJ, Varma RS, Sharifi E, Zarrabi A, Rabiee N. Customizing nano-chitosan for sustainable drug delivery. J Control Release 2022; 350:175-192. [PMID: 35914615 DOI: 10.1016/j.jconrel.2022.07.038] [Citation(s) in RCA: 63] [Impact Index Per Article: 31.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 07/26/2022] [Accepted: 07/26/2022] [Indexed: 12/12/2022]
Abstract
Chitosan is a natural polymer with acceptable biocompatibility, biodegradability, and mechanical stability; hence, it has been widely appraised for drug and gene delivery applications. However, there has been no comprehensive assessment to tailor-make chitosan cross-linkers of various types and functionalities as well as complex chitosan-based semi- and full-interpenetrating networks for drug delivery systems (DDSs). Herein, various fabrication methods developed for chitosan hydrogels are deliberated, including chitosan crosslinking with and without diverse cross-linkers. Tripolyphosphate, genipin and multi-functional aldehydes, carboxylic acids, and epoxides are common cross-linkers used in developing biomedical chitosan for DDSs. Methods deployed for modifying the properties and performance of chitosan hydrogels, via their composite production (semi- and full-interpenetrating networks), are also cogitated here. In addition, recent advances in the fabrication of advanced chitosan hydrogels for drug delivery applications such as oral drug delivery, transdermal drug delivery, and cancer therapy are discussed. Lastly, thoughts on what is needed for the chitosan field to continue to grow is also debated in this comprehensive review article.
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Affiliation(s)
- Mostafa Saeedi
- School of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology, Narmak, P.O. Box 16846, Tehran, Iran
| | - Omid Vahidi
- School of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology, Narmak, P.O. Box 16846, Tehran, Iran
| | - Mohammad Reza Moghbeli
- School of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology, Narmak, P.O. Box 16846, Tehran, Iran
| | - Sepideh Ahmadi
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Cellular and Molecular Biology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohsen Asadnia
- School of Engineering, Macquarie University, Sydney, New South Wales 2109, Australia
| | - Omid Akhavan
- Department of Physics, Sharif University of Technology, P.O. Box 11155-9161, Tehran, Iran
| | - Farzad Seidi
- Provincial Key Lab of Pulp and Paper Science and Technology and Joint International Research Lab of Lignocellulosic Functional Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Mohammad Rabiee
- Biomaterial Groups, Department of Biomedical Engineering, Amirkabir University of Technology, Tehran, Iran.
| | - Mohammad Reza Saeb
- Department of Polymer Technology, Faculty of Chemistry, Gdańsk University of Technology, G. Narutowicza 11/12, 80-233 Gdańsk, Poland
| | - Thomas J Webster
- School of Health Sciences and Biomedical Engineering, Hebei University of Technology, Tianjin, China; School of Engineering, Saveetha University, Chennai, India; Department of Materials Engineering, UFPI, Teresina, Brazil
| | - Rajender S Varma
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute, Palacký University in Olomouc, Šlechtitelů 27, 783 71 Olomouc, Czech Republic
| | - Esmaeel Sharifi
- Department of Tissue Engineering and Biomaterials, School of Advanced Medical Sciences and Technologies, Hamadan University of Medical Sciences, 6517838736 Hamadan, Iran
| | - Ali Zarrabi
- Department of Biomedical Engineering, Faculty of Engineering and Natural Sciences, Istinye University, Istanbul 34396, Turkey
| | - Navid Rabiee
- School of Engineering, Macquarie University, Sydney, New South Wales 2109, Australia; Department of Physics, Sharif University of Technology, P.O. Box 11155-9161, Tehran, Iran; Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro, Nam-gu, Pohang, Gyeongbuk 37673, South Korea.
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18
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Sikder A, Vambhurkar G, Amulya E, Bagasariya D, Famta P, Shah S, Khatri DK, Singh SB, Sinha VR, Srivastava S. Advancements in redox-sensitive micelles as nanotheranostics: A new horizon in cancer management. J Control Release 2022; 349:1009-1030. [PMID: 35961470 DOI: 10.1016/j.jconrel.2022.08.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 08/05/2022] [Accepted: 08/05/2022] [Indexed: 12/24/2022]
Abstract
World Health Organisation (WHO) delineated cancer as one of the foremost reasons for mortality with 10 million deaths in the year 2020. Early diagnosis and effective drug delivery are of utmost importance in cancer management. The entrapment of both bio-imaging dyes and drugs will open novel avenues in the area of tumor theranostics. Elevated levels of reactive oxygen species (ROS) and glutathione (GSH) are the characteristic features of the tumor microenvironment (TME). Researchers have taken advantage of these specific TME features in recent years to develop micelle-based theranostic nanosystems. This review focuses on the advantages of redox-sensitive micelles (RSMs) and supramolecular self-assemblies for tumor theranostics. Key chemical linkers employed for the tumor-specific release of the cargo have been discussed. In vitro characterisation techniques used for the characterization of RSMs have been deliberated. Potential bottlenecks that may present themselves in the bench-to-bedside translation of this technology and the regulatory considerations have been deliberated.
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Affiliation(s)
- Anupama Sikder
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, India
| | - Ganesh Vambhurkar
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, India
| | - Etikala Amulya
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, India
| | - Deepkumar Bagasariya
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, India
| | - Paras Famta
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, India
| | - Saurabh Shah
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, India
| | - Dharmendra Kumar Khatri
- Department of Biological Sciences, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, India
| | - Shashi Bala Singh
- Department of Biological Sciences, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, India
| | - V R Sinha
- Department of Pharmaceutics, University Institute of Pharmaceutical Sciences (UIPS), Panjab University, Chandigarh, India
| | - Saurabh Srivastava
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, India.
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Progress in Polymeric Micelles for Drug Delivery Applications. Pharmaceutics 2022; 14:pharmaceutics14081636. [PMID: 36015262 PMCID: PMC9412594 DOI: 10.3390/pharmaceutics14081636] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 07/27/2022] [Accepted: 07/31/2022] [Indexed: 11/17/2022] Open
Abstract
Polymeric micelles (PMs) have made significant progress in drug delivery applications. A robust core-shell structure, kinetic stability and the inherent ability to solubilize hydrophobic drugs are the highlights of PMs. This review presents the recent advances and understandings of PMs with a focus on the latest drug delivery applications. The types, methods of preparation and characterization of PMs are described along with their applications in oral, parenteral, transdermal, intranasal and other drug delivery systems. The applications of PMs for tumor-targeted delivery have been provided special attention. The safety, quality and stability of PMs in relation to drug delivery are also provided. In addition, advanced polymeric systems and special PMs are also reviewed. The in vitro and in vivo stability assessment of PMs and recent understandings in this area are provided. The patented PMs and clinical trials on PMs for drug delivery applications are considered indicators of their tremendous future applications. Overall, PMs can help overcome many unresolved issues in drug delivery.
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Recent Advances in Nanoparticle-Based Co-Delivery Systems for Cancer Therapy. NANOMATERIALS 2022; 12:nano12152672. [PMID: 35957103 PMCID: PMC9370272 DOI: 10.3390/nano12152672] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 07/25/2022] [Accepted: 07/26/2022] [Indexed: 12/20/2022]
Abstract
Cancer therapies have advanced tremendously throughout the last decade, yet multiple factors still hinder the success of the different cancer therapeutics. The traditional therapeutic approach has been proven insufficient and lacking in the suppression of tumor growth. The simultaneous delivery of multiple small-molecule chemotherapeutic drugs and genes improves the effectiveness of each treatment, thus optimizing efficacy and improving synergistic effects. Nanomedicines integrating inorganic, lipid, and polymeric-based nanoparticles have been designed to regulate the spatiotemporal release of the encapsulated drugs. Multidrug-loaded nanocarriers are a potential strategy to fight cancer and the incorporation of co-delivery systems as a feasible treatment method has projected synergistic benefits and limited undesirable effects. Moreover, the development of co-delivery systems for maximum therapeutic impact necessitates better knowledge of the appropriate therapeutic agent ratio as well as the inherent heterogeneity of the cancer cells. Co-delivery systems can simplify clinical processes and increase patient quality of life, even though such systems are more difficult to prepare than single drug delivery systems. This review highlights the progress attained in the development and design of nano carrier-based co-delivery systems and discusses the limitations, challenges, and future perspectives in the design and fabrication of co-delivery systems.
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21
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Varela-Moreira A, van Leur H, Krijgsman D, Ecker V, Braun M, Buchner M, H.A.M. Fens M, Hennink WE, Schiffelers RM. Utilizing In Vitro Drug Release Assays to Predict In Vivo Retention of Micelles. Int J Pharm 2022; 618:121638. [DOI: 10.1016/j.ijpharm.2022.121638] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 02/28/2022] [Accepted: 03/02/2022] [Indexed: 10/18/2022]
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22
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Kaur J, Gulati M, Kumar Jha N, Disouza J, Patravale V, Dua K, Kumar Singh S. Recent advances in developing polymeric micelles for treating cancer: breakthroughs and bottlenecks in their clinical translation. Drug Discov Today 2022; 27:1495-1512. [DOI: 10.1016/j.drudis.2022.02.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 01/04/2022] [Accepted: 02/08/2022] [Indexed: 12/22/2022]
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23
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Wang Y, Thies-Weesie DM, Bosman ED, van Steenbergen MJ, van den Dikkenberg J, Shi Y, Lammers T, van Nostrum CF, Hennink WE. Tuning the size of all-HPMA polymeric micelles fabricated by solvent extraction. J Control Release 2022; 343:338-346. [DOI: 10.1016/j.jconrel.2022.01.042] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 01/23/2022] [Accepted: 01/24/2022] [Indexed: 12/14/2022]
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24
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Kumar A. Self Assemblies of Poly(ether ether ketone) Block Copolymers for Biomedical Applications. ChemistrySelect 2021. [DOI: 10.1002/slct.202102238] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Avneesh Kumar
- International Center for Materials Science JNCASR, Jakkur Bangalore 560064
- Center for Environmentally Friendly Materials 27-1 Muroran Institute of Technology Muroran Hokkaido 050-8585 Japan
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Yong HW, Kakkar A. Nanoengineering Branched Star Polymer-Based Formulations: Scope, Strategies, and Advances. Macromol Biosci 2021; 21:e2100105. [PMID: 34117840 DOI: 10.1002/mabi.202100105] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 04/26/2021] [Indexed: 12/24/2022]
Abstract
Soft nanoparticles continue to offer a promising platform for the encapsulation and controlled delivery of poorly water-soluble drugs and help enhance their bioavailability at targeted sites. Linear amphiphilic block copolymers are the most extensively investigated in formulating delivery vehicles. However, more recently, there has been increasing interest in utilizing branched macromolecules for nanomedicine, as these have been shown to lower critical micelle concentrations, form particles of smaller dimensions, facilitate the inclusion of varied compositions and function-based entities, as well as provide prolonged and sustained release of cargo. In this review, it is aimed to discuss some of the key variables that are studied in tailoring branched architecture-based assemblies, and their influence on drug loading and delivery. By understanding structure-property relationships in these formulations, one can better design branched star polymers with suitable characteristics for efficient therapeutic interventions. The role played by polymer composition, chain architecture, crosslinking, stereocomplexation, compatibility between polymers and drugs, drug/polymer concentrations, and self-assembly methods in their performance as nanocarriers is highlighted.
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Affiliation(s)
- Hui Wen Yong
- Department of Chemistry, McGill University, 801 Sherbrooke Street West, Montréal, Quebec, H3A 0B8, Canada
| | - Ashok Kakkar
- Department of Chemistry, McGill University, 801 Sherbrooke Street West, Montréal, Quebec, H3A 0B8, Canada
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Kaur J, Mishra V, Singh SK, Gulati M, Kapoor B, Chellappan DK, Gupta G, Dureja H, Anand K, Dua K, Khatik GL, Gowthamarajan K. Harnessing amphiphilic polymeric micelles for diagnostic and therapeutic applications: Breakthroughs and bottlenecks. J Control Release 2021; 334:64-95. [PMID: 33887283 DOI: 10.1016/j.jconrel.2021.04.014] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 04/12/2021] [Accepted: 04/15/2021] [Indexed: 12/15/2022]
Abstract
Amphiphilic block copolymers are widely utilized in the design of formulations owing to their unique physicochemical properties, flexible structures and functional chemistry. Amphiphilic polymeric micelles (APMs) formed from such copolymers have gained attention of the drug delivery scientists in past few decades for enhancing the bioavailability of lipophilic drugs, molecular targeting, sustained release, stimuli-responsive properties, enhanced therapeutic efficacy and reducing drug associated toxicity. Their properties including ease of surface modification, high surface area, small size, and enhanced permeation as well as retention (EPR) effect are mainly responsible for their utilization in the diagnosis and therapy of various diseases. However, some of the challenges associated with their use are premature drug release, low drug loading capacity, scale-up issues and their poor stability that need to be addressed for their wider clinical utility and commercialization. This review describes comprehensively their physicochemical properties, various methods of preparation, limitations followed by approaches employed for the development of optimized APMs, the impact of each preparation technique on the physicochemical properties of the resulting APMs as well as various biomedical applications of APMs. Based on the current scenario of their use in treatment and diagnosis of diseases, the directions in which future studies need to be carried out to explore their full potential are also discussed.
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Affiliation(s)
- Jaskiran Kaur
- School of Pharmaceutical sciences, Lovely Professional University, Jalandhar-Delhi G.T Road, Phagwara, Punjab, India
| | - Vijay Mishra
- School of Pharmaceutical sciences, Lovely Professional University, Jalandhar-Delhi G.T Road, Phagwara, Punjab, India
| | - Sachin Kumar Singh
- School of Pharmaceutical sciences, Lovely Professional University, Jalandhar-Delhi G.T Road, Phagwara, Punjab, India.
| | - Monica Gulati
- School of Pharmaceutical sciences, Lovely Professional University, Jalandhar-Delhi G.T Road, Phagwara, Punjab, India
| | - Bhupinder Kapoor
- School of Pharmaceutical sciences, Lovely Professional University, Jalandhar-Delhi G.T Road, Phagwara, Punjab, India
| | | | - Gaurav Gupta
- School of Pharmacy, Suresh Gyan Vihar University, Jagatpura Mahal Road, Jaipur, India
| | - Harish Dureja
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, Haryana, India
| | - Krishnan Anand
- Department of Chemical Pathology, School of Pathology, Faculty of Health Sciences and National Health Laboratory Service, University of the Free State, Bloemfontein, South Africa
| | - Kamal Dua
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, NSW 2007, Australia
| | - Gopal L Khatik
- National Institute of Pharmaceutical Education and Research, Bijnor-Sisendi road, Sarojini Nagar, Lucknow, Uttar Pradesh 226301, India
| | - Kuppusamy Gowthamarajan
- Department of Pharmaceutics, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty, Nilgiris, Tamil Nadu, India; Centre of Excellence in Nanoscience & Technology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty, Nilgiris, Tamil Nadu, India
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Mthimkhulu NP, Mosiane KS, Nweke EE, Balogun M, Fru P. Prospects of Delivering Natural Compounds by Polymer-Drug Conjugates in Cancer Therapeutics. Anticancer Agents Med Chem 2021; 22:1699-1713. [PMID: 33874874 DOI: 10.2174/1871520621666210419094623] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 03/01/2021] [Accepted: 03/08/2021] [Indexed: 11/22/2022]
Abstract
Synthetic chemotherapeutics have played a crucial role in minimizing mostly palliative symptoms associated with cancer; however, they have also created other problems such as system toxicity due to a lack of specificity. This has led to the development of polymer-drug conjugates amongst other novel drug delivery systems. Most of the formulations designed using delivery systems consist of synthetic drugs and face issues such as drug resistance, which has already rendered drugs such as antibiotics ineffective. This is further exacerbated by toxicity due to long term use. Given these problems and the fact that conjugation of synthetic compounds to polymers has been relatively slow with no formulation on the market after a decade of extensive studies, the focus has shifted to using this platform with medicinal plant extracts to improve solubility, specificity and increase drug release of medicinal and herbal bioactives. In recent years, various plant extracts such as flavonoids, tannins and terpenoids have been studied extensively using this approach. The success of formulations developed using novel drug-delivery systems is highly dependent on the tumour microenvironment especially on the enhanced permeability and retention effect. As a result, the compromised lymphatic network and 'leaky' vasculature exhibited by tumour cells act as a guiding principle in the delivering of these formulations. This review focuses on the state of the polymer-drug conjugates and their exploration with natural compounds, the progress and difficulties thus far, and future directions concerning cancer treatment.
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Affiliation(s)
- Nompumelelo P Mthimkhulu
- Department of Surgery, School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, 7 York Road, Parktown, Johannesburg, 2193. South Africa
| | - Karabo S Mosiane
- Department of Surgery, School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, 7 York Road, Parktown, Johannesburg, 2193. South Africa
| | - Ekene E Nweke
- Department of Surgery, School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, 7 York Road, Parktown, Johannesburg, 2193. South Africa
| | - Mohammed Balogun
- Biopolymer Modification and Therapeutics Lab, Materials Science & Manufacturing, Council for Scientific and Industrial Research, Meiring Naude Road, Brummeria, Pretoria 0001. South Africa
| | - Pascaline Fru
- Department of Surgery, School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, 7 York Road, Parktown, Johannesburg, 2193. South Africa
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28
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Development and In Vitro Evaluation of 2-Methoxyestradiol Loaded Polymeric Micelles for Enhancing Anticancer Activities in Prostate Cancer. Polymers (Basel) 2021; 13:polym13060884. [PMID: 33805675 PMCID: PMC7998642 DOI: 10.3390/polym13060884] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 03/07/2021] [Accepted: 03/10/2021] [Indexed: 12/15/2022] Open
Abstract
The present study aimed to formulate and optimize 2ME-loaded PMs (2ME-PMs) for enhancing the anticancer activity of 2ME in prostate cancer (PC). The 2ME-PMs were formulated using PEG-PLGA (PL), Tween 80 (TW80), and alpha-lipoic acid (ALA). The optimization was carried out using a Box-Behnken design with the PL, TW80, and ALA as the independent variables and particle size (PS) as the response. The formulation was optimized for the lowest possible PS, and the software suggested optimum formula with 100.282 mg, 2%, and 40 mg for PL, TW80, and ALA, respectively. The optimized PMs had spherical morphology with PS of 65.36 ± 2.2 nm, polydispersity index (PDI) of 0.273 ± 0.03, and entrapment efficiency of 65.23 ± 3.5%. The in vitro drug release was 76.3 ± 3.2% after 24 h. The cell line studies using PC-3 cells showed IC50 values of 18.75 and 54.41 µmol for 2ME-PM and 2ME, respectively. The estimation of tumor biomarkers was also carried out. The tumor biomarkers caspase-9 (17.38 ± 1.42 ng/mL), tumor protein P53 (p53) (1050.0 ± 40.9 pg/mL), nitric oxide (NO) (0.693 ± 0.03 pg/mL), interleukin-1β (IL-1β) (25.84 ± 2.23 pg/mL), nuclear factor kappa B (NF-kB) (0.719 ± 0.07 pg/mL), interleukin-6 (IL-6) (2.53 ± 0.16 folds), and cyclooxygenase-2 (COX-2) (3.04 ± 0.5 folds) were determined for 2ME-PMs and the results showed that these values changed significantly compared to those of 2ME. Overall, the results showed that the formulation of 2ME to 2ME-PMs enhances the anticancer effect. The exploration of the combined advantages of PEG, PLGA, ALA, and PMs in cancer therapy and the delivery of 2ME is the major importance of this research work. PEG reduces the elimination of 2ME, PLGA enhances 2ME loading, ALA has an inherent apoptotic effect, and PMs can efficiently target tumor cells.
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29
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Bagheri M, Fens MH, Kleijn TG, Capomaccio RB, Mehn D, Krawczyk PM, Scutigliani EM, Gurinov A, Baldus M, van Kronenburg NCH, Kok RJ, Heger M, van Nostrum CF, Hennink WE. In Vitro and In Vivo Studies on HPMA-Based Polymeric Micelles Loaded with Curcumin. Mol Pharm 2021; 18:1247-1263. [PMID: 33464911 PMCID: PMC7927141 DOI: 10.1021/acs.molpharmaceut.0c01114] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Curcumin-loaded polymeric micelles composed of poly(ethylene glycol)-b-poly(N-2-benzoyloxypropyl methacrylamide) (mPEG-b-p(HPMA-Bz)) were prepared to solubilize and improve the pharmacokinetics of curcumin. Curcumin-loaded micelles were prepared by a nanoprecipitation method using mPEG5kDa-b-p(HPMA-Bz) copolymers with varying molecular weight of the hydrophobic block (5.2, 10.0, and 17.1 kDa). At equal curcumin loading, micelles composed of mPEG5kDa-b-p(HPMA-Bz)17.1kDa showed better curcumin retention in both phosphate-buffered saline (PBS) and plasma at 37 °C than micelles based on block copolymers with smaller hydrophobic blocks. No change in micelle size was observed during 24 h incubation in plasma using asymmetrical flow field-flow fractionation (AF4), attesting to particle stability. However, 22-49% of the curcumin loading was released from the micelles during 24 h from formulations with the highest to the lowest molecular weight p(HPMA-Bz), respectively, in plasma. AF4 analysis further showed that the released curcumin was subsequently solubilized by albumin. In vitro analyses revealed that the curcumin-loaded mPEG5kDa-b-p(HPMA-Bz)17.1kDa micelles were internalized by different types of cancer cells, resulting in curcumin-induced cell death. Intravenously administered curcumin-loaded, Cy7-labeled mPEG5kDa-b-p(HPMA-Bz)17.1kDa micelles in mice at 50 mg curcumin/kg showed a long circulation half-life for the micelles (t1/2 = 42 h), in line with the AF4 results. In contrast, the circulation time of curcumin was considerably shorter than that of the micelles (t1/2α = 0.11, t1/2β = 2.5 h) but ∼5 times longer than has been reported for free curcumin (t1/2α = 0.02 h). The faster clearance of curcumin in vivo compared to in vitro studies can be attributed to the interaction of curcumin with blood cells. Despite the excellent solubilizing effect of these micelles, no cytostatic effect was achieved in neuroblastoma-bearing mice, possibly because of the low sensitivity of the Neuro2A cells to curcumin.
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Affiliation(s)
- Mahsa Bagheri
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, 3508 TB Utrecht, The Netherlands
| | - Marcel H Fens
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, 3508 TB Utrecht, The Netherlands
| | - Tony G Kleijn
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, 3508 TB Utrecht, The Netherlands.,Department of Pharmaceutics, Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, College of Medicine, Jiaxing University, Jiaxing 314001, P. R. China
| | - Robin B Capomaccio
- European Commission, Joint Research Centre (JRC), 21027 Ispra, VA, Italy
| | - Dora Mehn
- European Commission, Joint Research Centre (JRC), 21027 Ispra, VA, Italy
| | - Przemek M Krawczyk
- Department of Medical Biology, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands
| | - Enzo M Scutigliani
- Department of Medical Biology, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands
| | - Andrei Gurinov
- NMR Spectroscopy Group, Bijvoet Center for Biomolecular Research, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands
| | - Marc Baldus
- NMR Spectroscopy Group, Bijvoet Center for Biomolecular Research, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands
| | - Nicky C H van Kronenburg
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, 3508 TB Utrecht, The Netherlands
| | - Robbert J Kok
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, 3508 TB Utrecht, The Netherlands
| | - Michal Heger
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, 3508 TB Utrecht, The Netherlands.,Department of Pharmaceutics, Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, College of Medicine, Jiaxing University, Jiaxing 314001, P. R. China
| | - Cornelus F van Nostrum
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, 3508 TB Utrecht, The Netherlands
| | - Wim E Hennink
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, 3508 TB Utrecht, The Netherlands
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Zhang T, Peruch F, Wirotius AL, Ibarboure E, Rosu F, Schatz C, Garbay B. Unprecedented coupling of natural rubber and ELP: synthesis, characterization and self-assembly properties. Polym Chem 2021. [DOI: 10.1039/d1py00969a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Developing new biomaterials is an active research area owing to their applications in regenerative medicine, tissue engineering and drug delivery.
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Affiliation(s)
- Tingting Zhang
- Univ. Bordeaux, CNRS, Bordeaux INP, LCPO, UMR 5629, F-33600, Pessac, France
| | - Frédéric Peruch
- Univ. Bordeaux, CNRS, Bordeaux INP, LCPO, UMR 5629, F-33600, Pessac, France
| | | | - Emmanuel Ibarboure
- Univ. Bordeaux, CNRS, Bordeaux INP, LCPO, UMR 5629, F-33600, Pessac, France
| | - Frédéric Rosu
- Univ. Bordeaux, CNRS & Inserm, IECB, UMS3033, US001, 33607 Pessac, France
| | - Christophe Schatz
- Univ. Bordeaux, CNRS, Bordeaux INP, LCPO, UMR 5629, F-33600, Pessac, France
| | - Bertrand Garbay
- Univ. Bordeaux, CNRS, Bordeaux INP, LCPO, UMR 5629, F-33600, Pessac, France
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Kalinova R, Yordanov Y, Tzankov B, Tzankova V, Yoncheva K, Dimitrov I. Cinnamyl modified polymer micelles as efficient carriers of caffeic acid phenethyl ester. REACT FUNCT POLYM 2020. [DOI: 10.1016/j.reactfunctpolym.2020.104763] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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32
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Tuning Size and Morphology of mPEG- b-p(HPMA-Bz) Copolymer Self-Assemblies Using Microfluidics. Polymers (Basel) 2020; 12:polym12112572. [PMID: 33147743 PMCID: PMC7693845 DOI: 10.3390/polym12112572] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 10/29/2020] [Accepted: 10/30/2020] [Indexed: 12/14/2022] Open
Abstract
The careful design of nanoparticles, in terms of size and morphology, is of great importance to developing effective drug delivery systems. The ability to precisely tailor nanoparticles in size and morphology during polymer self-assembly was therefore investigated. Four poly(ethylene glycol)-b-poly(N-2-benzoyloxypropyl methacrylamide) mPEG-b-p(HPMA-Bz) block copolymers with a fixed hydrophilic block of mPEG 5 kDa and a varying molecular weight of the hydrophobic p(HPMA-Bz) block (A: 17.1, B: 10.0, C: 5.2 and D: 2.7 kDa) were self-assembled into nanoparticles by nanoprecipitation under well-defined flow conditions, using microfluidics, at different concentrations. The nanoparticles from polymer A, increased in size from 55 to 90 nm using lower polymer concentrations and slower flow rates and even polymer vesicles were formed along with micelles. Similarly, nanoparticles from polymer D increased in size from 35 to 70 nm at slower flow rates and also formed vesicles along with micelles, regardless of the used concentration. Differently, polymers B and C mainly self-assembled into micelles at the different applied flow rates with negligible size difference. In conclusion, this study demonstrates that the self-assembly of mPEG-b-p(HPMA-Bz) block copolymers can be easily tailored in size and morphology using microfluidics and is therefore an attractive option for further scaled-up production activities.
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Bobde Y, Biswas S, Ghosh B. Current trends in the development of HPMA-based block copolymeric nanoparticles for their application in drug delivery. Eur Polym J 2020. [DOI: 10.1016/j.eurpolymj.2020.110018] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Wang Y, van Steenbergen MJ, Beztsinna N, Shi Y, Lammers T, van Nostrum CF, Hennink WE. Biotin-decorated all-HPMA polymeric micelles for paclitaxel delivery. J Control Release 2020; 328:970-984. [PMID: 32926885 DOI: 10.1016/j.jconrel.2020.09.013] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Revised: 08/21/2020] [Accepted: 09/07/2020] [Indexed: 12/28/2022]
Abstract
To avoid poly(ethylene glycol)-related issues of nanomedicines such as accelerated blood clearance, fully N-2-hydroxypropyl methacrylamide (HPMAm)-based polymeric micelles decorated with biotin for drug delivery were designed. To this end, a biotin-functionalized chain transfer agent (CTA), 4-cyano-4-[(dodecylsulfanylthiocarbonyl)-sulfanyl]pentanoic acid (biotin-CDTPA), was synthesized for reversible addition-fragmentation chain-transfer (RAFT) polymerization. Amphiphilic poly(N-2-hydroxypropyl methacrylamide)-block-poly(N-2-benzoyloxypropyl methacrylamide) (p(HPMAm)-b-p(HPMAm-Bz)) with molecular weights ranging from 8 to 24 kDa were synthesized using CDTPA or biotin-CDTPA as CTA and 2,2'-azobis(2-methylpropionitrile) as initiator. The copolymers self-assembled in aqueous media into micelles with sizes of 40-90 nm which positively correlated to the chain length of the hydrophobic block in the polymers, whereas the critical micelle concentrations decreased with increasing hydrophobic block length. The polymer with a molecular weight of 22.1 kDa was used to prepare paclitaxel-loaded micelles which had sizes between 61 and 70 nm, and a maximum loading capacity of around 10 wt%. A549 lung cancer cells overexpressing the biotin receptor, internalized the biotin-decorated micelles more efficiently than non-targeted micelles, while very low internalization of both types of micelles by HEK293 human embryonic kidney cells lacking the biotin receptor was observed. As a consequence, the paclitaxel-loaded micelles with biotin decoration exhibited stronger cytotoxicity in A549 cells than non-targeted micelles. Overall, a synthetic pathway to obtain actively targeted poly(ethylene glycol)-free micelles fully based on a poly(HPMAm) backbone was established. These polymeric micelles are promising systems for the delivery of hydrophobic anticancer drugs.
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Affiliation(s)
- Yan Wang
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3508 TB Utrecht, the Netherlands.
| | - Mies J van Steenbergen
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3508 TB Utrecht, the Netherlands.
| | - Nataliia Beztsinna
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3508 TB Utrecht, the Netherlands.
| | - Yang Shi
- Department of Nanomedicine and Theranostics, Institute for Experimental Molecular Imaging, RWTH Aachen University Clinic, Forckenbecktrasse 55, 52074 Aachen, Germany.
| | - Twan Lammers
- Department of Nanomedicine and Theranostics, Institute for Experimental Molecular Imaging, RWTH Aachen University Clinic, Forckenbecktrasse 55, 52074 Aachen, Germany.
| | - Cornelus F van Nostrum
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3508 TB Utrecht, the Netherlands.
| | - Wim E Hennink
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3508 TB Utrecht, the Netherlands.
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35
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Liu Y, van Steenbergen MJ, Zhong Z, Oliveira S, Hennink WE, van Nostrum CF. Dithiolane-Crosslinked Poly(ε-caprolactone)-Based Micelles: Impact of Monomer Sequence, Nature of Monomer, and Reducing Agent on the Dynamic Crosslinking Properties. Macromolecules 2020; 53:7009-7024. [PMID: 32884159 PMCID: PMC7458473 DOI: 10.1021/acs.macromol.0c01031] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 07/15/2020] [Indexed: 12/19/2022]
Abstract
Dithiolanes are used to obtain dynamic and reversible crosslinks between polymer chains. Copolymers of two different dithiolane-containing cyclic carbonate monomers and ε-caprolactone (CL) were synthesized by ring-opening polymerization using a methoxy-poly(ethylene glycol) (mPEG) initiator and different catalysts (diphenyl phosphate (DPP), methanesulfonic acid (MSA), 1,5,7-triazabicyclo[4.4.0]dec-5-ene (TBD), or Sn(Oct)2). Each catalyst required a different temperature, which had a pronounced influence on the reactivity ratio of the monomers and occurrence of transesterification reactions and, therefore, the monomer sequence. Self-crosslinkable copolymers were obtained when the dithiolane units were connected closely to the polymer backbone, whereas the presence of a linker unit between the dithiolane and the backbone prevented self-crosslinking. The former amphiphilic PEGylated block copolymers formed micelles by nanoprecipitation in the aqueous environment and crosslinked spontaneously by disulfide exchange during subsequent dialysis. These dithiolane-crosslinked micelles showed reduction-responsive dissociation in the presence of 10 mM glutathione, making them promising drug delivery systems for the intracellularly triggered cargo release.
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Affiliation(s)
- Yanna Liu
- Department of Pharmaceutics,
Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3508 TB Utrecht, The Netherlands
| | - Mies J. van Steenbergen
- Department of Pharmaceutics,
Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3508 TB Utrecht, The Netherlands
| | - Zhiyuan Zhong
- Biomedical
Polymers Laboratory, College of Chemistry, Chemical Engineering and
Materials Science, and State Key Laboratory of Radiation Medicine
and Protection, Soochow University, Suzhou 215123, P. R. China
| | - Sabrina Oliveira
- Department of Pharmaceutics,
Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3508 TB Utrecht, The Netherlands
- Division of Cell Biology, Neurobiology
and Biophysics, Department of Biology, Utrecht
University, Padualaan
8, 3584 CH Utrecht, The Netherlands
| | - Wim E. Hennink
- Department of Pharmaceutics,
Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3508 TB Utrecht, The Netherlands
| | - Cornelus F. van Nostrum
- Department of Pharmaceutics,
Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3508 TB Utrecht, The Netherlands
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36
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Curcumin loaded polymeric micelles of variable hydrophobic lengths by RAFT polymerization: Preparation and in-vitro characterization. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2020.101793] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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37
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Varela-Moreira A, van Straten D, van Leur HF, Ruiter RW, Deshantri AK, Hennink WE, Fens MH, Groen RW, Schiffelers RM. Polymeric micelles loaded with carfilzomib increase tolerability in a humanized bone marrow-like scaffold mouse model. INTERNATIONAL JOURNAL OF PHARMACEUTICS-X 2020; 2:100049. [PMID: 32490374 PMCID: PMC7262453 DOI: 10.1016/j.ijpx.2020.100049] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 05/06/2020] [Accepted: 05/08/2020] [Indexed: 01/26/2023]
Abstract
Carfilzomib-loaded polymeric micelles (CFZ-PM) based on poly(ethylene glycol)-b-poly(N-2-benzoyloxypropyl methacrylamide) (mPEG-b-p(HPMA-Bz)) were prepared with the aim to improve the maximum tolerated dose of carfilzomib in a “humanized” bone marrow-like scaffold model. For this, CFZ-PM were prepared and characterized for their size, carfilzomib loading and cytotoxicity towards multiple myeloma cells. Further, circulation and tumor & tissue distribution of fluorescently labeled micelles were determined. Tolerability of CFZ-PM versus the clinical approved formulation – Kyprolis® – was assessed. CFZ-PM presented small diameter below 55 nm and low PDI < 0.1. Cy7-labeled micelles circulated for extended periods of time with over 80% of injected dose in circulation at 24 h after intravenous injection and 1.3% of the injected dose of Cy7-labeled micelles accumulated in myeloma tumor-bearing scaffolds. Importantly, CFZ-PM were well tolerated whereas Kyprolis® showed adverse effects. Kyprolis® dosed at the maximum tolerated dose, as well as CFZ-PM, did not show therapeutic benefit, while multiple myeloma cells showed sensitivity in vitro, underlining the importance of the bone marrow crosstalk in testing novel formulations. Overall, this work indicates that PM are potential drug carriers of carfilzomib.
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Affiliation(s)
- Aida Varela-Moreira
- Laboratory of Clinical Chemistry and Hematology (LKCH), University Medical Center Utrecht, Heidelberglaan 100, 3584, CX, Utrecht, the Netherlands
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Faculty of Science, Utrecht University, Universiteitsweg 99, 3584, CG, Utrecht, the Netherlands
| | - Demian van Straten
- Laboratory of Clinical Chemistry and Hematology (LKCH), University Medical Center Utrecht, Heidelberglaan 100, 3584, CX, Utrecht, the Netherlands
| | - Heleen F. van Leur
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Faculty of Science, Utrecht University, Universiteitsweg 99, 3584, CG, Utrecht, the Netherlands
| | - Ruud W.J. Ruiter
- Department of Hematology, Amsterdam UMC, VU University Medical Center, Cancer Center Amsterdam, De Boelelaan 1118, 1182, DB, Amsterdam, the Netherlands
| | - Anil K. Deshantri
- Laboratory of Clinical Chemistry and Hematology (LKCH), University Medical Center Utrecht, Heidelberglaan 100, 3584, CX, Utrecht, the Netherlands
- Biological Research Pharmacology Department, Sun Pharma Advanced Research Company Ltd., Vadodara, India
| | - Wim E. Hennink
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Faculty of Science, Utrecht University, Universiteitsweg 99, 3584, CG, Utrecht, the Netherlands
| | - Marcel H.A.M. Fens
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Faculty of Science, Utrecht University, Universiteitsweg 99, 3584, CG, Utrecht, the Netherlands
| | - Richard W.J. Groen
- Department of Hematology, Amsterdam UMC, VU University Medical Center, Cancer Center Amsterdam, De Boelelaan 1118, 1182, DB, Amsterdam, the Netherlands
| | - Raymond M. Schiffelers
- Laboratory of Clinical Chemistry and Hematology (LKCH), University Medical Center Utrecht, Heidelberglaan 100, 3584, CX, Utrecht, the Netherlands
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Faculty of Science, Utrecht University, Universiteitsweg 99, 3584, CG, Utrecht, the Netherlands
- Corresponding author at: Laboratory of Clinical Chemistry and Hematology (LKCH), Room G 03.647, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX, PO Box 85500, 3508 GA Utrecht, the Netherlands.
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Sheybanifard M, Beztsinna N, Bagheri M, Buhl EM, Bresseleers J, Varela-Moreira A, Shi Y, van Nostrum CF, van der Pluijm G, Storm G, Hennink WE, Lammers T, Metselaar JM. Systematic evaluation of design features enables efficient selection of Π electron-stabilized polymeric micelles. Int J Pharm 2020; 584:119409. [PMID: 32389790 DOI: 10.1016/j.ijpharm.2020.119409] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 05/03/2020] [Accepted: 05/04/2020] [Indexed: 11/26/2022]
Abstract
Polymeric micelles (PM) based on poly(ethylene glycol)-b-poly(N-2-benzoyloxypropyl methacrylamide) (mPEG-b-p(HPMA-Bz)) loaded with paclitaxel (PTX-PM) have shown promising results in overcoming the suboptimal efficacy/toxicity profile of paclitaxel. To get insight into the stability of PTX-PM formulations upon storage and to optimize their in vivo tumor-targeted drug delivery properties, we set out to identify a lead PTX-PM formulation with the optimal polymer composition. To this end, PM based on four different mPEG5k-b-p(HPMA-Bz) block copolymers with varying molecular weight of the hydrophobic block (17-3 kDa) were loaded with different amounts of PTX. The hydrodynamic diameter was 52 ± 1 nm for PM prepared using polymers with longer hydrophobic blocks (mPEG5k-b-p(HPMA-Bz)17k and mPEG5k-b-p(HPMA-Bz)10k) and 39 ± 1 nm for PM composed of polymers with shorter hydrophobic blocks (mPEG5k-b-p(HPMA-Bz)5k and mPEG5k-b-p(HPMA-Bz)3k). The best storage stability and the slowest PTX release was observed for PM with larger hydrophobic blocks. On the other hand, smaller sized PM of shorter mPEG5k-b-p(HPMA-Bz)5k showed a better tumor penetration in 3D spheroids. Considering better drug retention capacity of the mPEG5k-b-p(HPMA-Bz)17k and smaller size of the mPEG5k-b-p(HPMA-Bz)5k as two desirable design features, we argue that PM based on these two polymers are the lead candidates for further in vivo studies.
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Affiliation(s)
- Maryam Sheybanifard
- Department of Nanomedicine and Theranostics, Institute for Experimental Molecular Imaging, Uniklinik RWTH Aachen and Helmholtz Institute for Biomedical Engineering, Faculty of Medicine, RWTH Aachen University, 52074 Aachen, Germany
| | - Nataliia Beztsinna
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Faculty of Science, Utrecht University, 3508 TB Utrecht, the Netherlands
| | - Mahsa Bagheri
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Faculty of Science, Utrecht University, 3508 TB Utrecht, the Netherlands
| | - Eva Miriam Buhl
- Electron Microscopy Facility, Institute of Pathology, RWTH University Hospital, Aachen, Germany
| | - Jaleesa Bresseleers
- ChemConnection BV - Ardena Oss, 5349 AB Oss, the Netherlands; Department of Bio-Organic Chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, the Netherlands
| | - Aida Varela-Moreira
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Faculty of Science, Utrecht University, 3508 TB Utrecht, the Netherlands; Laboratory of Clinical Chemistry and Hematology (LKCH), University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, the Netherlands
| | - Yang Shi
- Department of Nanomedicine and Theranostics, Institute for Experimental Molecular Imaging, Uniklinik RWTH Aachen and Helmholtz Institute for Biomedical Engineering, Faculty of Medicine, RWTH Aachen University, 52074 Aachen, Germany
| | - Cornelus F van Nostrum
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Faculty of Science, Utrecht University, 3508 TB Utrecht, the Netherlands
| | - Gabri van der Pluijm
- Leiden University Medical Center, Department of Urology, J-3-108, Albinusdreef 2, 2333 ZA Leiden, the Netherlands
| | - Gert Storm
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Faculty of Science, Utrecht University, 3508 TB Utrecht, the Netherlands; Department of Biomaterials Science and Technology, MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente, Enschede, the Netherlands
| | - Wim E Hennink
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Faculty of Science, Utrecht University, 3508 TB Utrecht, the Netherlands
| | - Twan Lammers
- Department of Nanomedicine and Theranostics, Institute for Experimental Molecular Imaging, Uniklinik RWTH Aachen and Helmholtz Institute for Biomedical Engineering, Faculty of Medicine, RWTH Aachen University, 52074 Aachen, Germany; Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Faculty of Science, Utrecht University, 3508 TB Utrecht, the Netherlands; Department of Biomaterials Science and Technology, MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente, Enschede, the Netherlands
| | - Josbert M Metselaar
- Department of Nanomedicine and Theranostics, Institute for Experimental Molecular Imaging, Uniklinik RWTH Aachen and Helmholtz Institute for Biomedical Engineering, Faculty of Medicine, RWTH Aachen University, 52074 Aachen, Germany; Department of Biomaterials Science and Technology, MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente, Enschede, the Netherlands.
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39
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Rani S, Gupta U. HPMA-based polymeric conjugates in anticancer therapeutics. Drug Discov Today 2020; 25:997-1012. [PMID: 32334073 DOI: 10.1016/j.drudis.2020.04.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 03/23/2020] [Accepted: 04/11/2020] [Indexed: 11/17/2022]
Abstract
Polymer therapeutics has gained prominence due to an attractive structural polymer chemistry and its applications in diseases therapy. In this review, we discussed the development and capabilities of N-(2-hydroxypropyl) methacrylamide (HPMA) and HPMA-drug conjugates in cancer therapy. The design, architecture, and structural properties of HPMA make it a versatile system for the synthesis of polymeric conjugations for biomedical applications. Research suggests that HPMA could be a possible alternative for polymers such polyethylene glycol (PEG) in biomedical applications. Although numerous clinical trials of HPMA-drug conjugates are ongoing, yet no product has been successfully brought to the market. Thus, further research is required to develop HPMA-drug conjugates as successful cancer therapeutics.
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Affiliation(s)
- Sarita Rani
- Department of Pharmacy, School of Chemical Sciences and Pharmacy, Central University of Rajasthan, Bandarsindri, Ajmer, Rajasthan, 305817, India
| | - Umesh Gupta
- Department of Pharmacy, School of Chemical Sciences and Pharmacy, Central University of Rajasthan, Bandarsindri, Ajmer, Rajasthan, 305817, India.
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40
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Liu Y, Fens MH, Lou B, van Kronenburg NC, Maas-Bakker RF, Kok RJ, Oliveira S, Hennink WE, van Nostrum CF. π-π-Stacked Poly(ε-caprolactone)- b-poly(ethylene glycol) Micelles Loaded with a Photosensitizer for Photodynamic Therapy. Pharmaceutics 2020; 12:pharmaceutics12040338. [PMID: 32283871 PMCID: PMC7238042 DOI: 10.3390/pharmaceutics12040338] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 04/03/2020] [Accepted: 04/06/2020] [Indexed: 12/14/2022] Open
Abstract
To improve the in vivo stability of poly(ε-caprolactone)-b-poly(ethylene glycol) (PCL-PEG)-based micelles and cargo retention by π-π stacking interactions, pendant aromatic rings were introduced by copolymerization of ε-caprolactone with benzyl 5-methyl-2-oxo-1,3-dioxane-5-carboxylate (TMC-Bz). It was shown that the incorporation of aromatic rings yielded smaller micelles (18–30 nm) with better colloidal stability in PBS than micelles without aromatic groups. The circulation time of i.v. injected micelles containing multiple pendant aromatic groups was longer (t½-α: ~0.7 h; t½-β: 2.9 h) than that of micelles with a single terminal aromatic group (t½ < 0.3 h). In addition, the in vitro partitioning of the encapsulated photosensitizer (meta-tetra(hydroxyphenyl)chlorin, mTHPC) between micelles and human plasma was favored towards micelles for those that contained the pendant aromatic groups. However, this was not sufficient to fully retain mTHPC in the micelles in vivo, as indicated by similar biodistribution patterns of micellar mTHPC compared to free mTHPC, and unequal biodistribution patterns of mTHPC and the host micelles. Our study points out that more detailed in vitro methods are necessary to more reliably predict in vivo outcomes. Furthermore, additional measures beyond π-π stacking are needed to stably incorporate mTHPC in micelles in order to benefit from the use of micelles as targeted delivery systems.
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Affiliation(s)
- Yanna Liu
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3508 TB Utrecht, The Netherlands; (Y.L.); (B.L.); (N.C.H.v.K.); (R.J.K.); (S.O.); (W.E.H.)
| | - Marcel H.A.M. Fens
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3508 TB Utrecht, The Netherlands; (Y.L.); (B.L.); (N.C.H.v.K.); (R.J.K.); (S.O.); (W.E.H.)
| | - Bo Lou
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3508 TB Utrecht, The Netherlands; (Y.L.); (B.L.); (N.C.H.v.K.); (R.J.K.); (S.O.); (W.E.H.)
| | - Nicky C.H. van Kronenburg
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3508 TB Utrecht, The Netherlands; (Y.L.); (B.L.); (N.C.H.v.K.); (R.J.K.); (S.O.); (W.E.H.)
| | - Roel F.M. Maas-Bakker
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3508 TB Utrecht, The Netherlands; (Y.L.); (B.L.); (N.C.H.v.K.); (R.J.K.); (S.O.); (W.E.H.)
| | - Robbert J. Kok
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3508 TB Utrecht, The Netherlands; (Y.L.); (B.L.); (N.C.H.v.K.); (R.J.K.); (S.O.); (W.E.H.)
| | - Sabrina Oliveira
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3508 TB Utrecht, The Netherlands; (Y.L.); (B.L.); (N.C.H.v.K.); (R.J.K.); (S.O.); (W.E.H.)
- Division of Cell Biology, Neurobiology and Biophysics, Department of Biology, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands
| | - Wim E. Hennink
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3508 TB Utrecht, The Netherlands; (Y.L.); (B.L.); (N.C.H.v.K.); (R.J.K.); (S.O.); (W.E.H.)
| | - Cornelus F. van Nostrum
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3508 TB Utrecht, The Netherlands; (Y.L.); (B.L.); (N.C.H.v.K.); (R.J.K.); (S.O.); (W.E.H.)
- Correspondence: ; Tel.: +31-620274607
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41
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Liu Y, Scrivano L, Peterson JD, Fens MHAM, Hernández IB, Mesquita B, Toraño JS, Hennink WE, van Nostrum CF, Oliveira S. EGFR-Targeted Nanobody Functionalized Polymeric Micelles Loaded with mTHPC for Selective Photodynamic Therapy. Mol Pharm 2020; 17:1276-1292. [PMID: 32142290 PMCID: PMC7140040 DOI: 10.1021/acs.molpharmaceut.9b01280] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
![]()
meta-Tetra(hydroxyphenyl)chlorin
(mTHPC) is one
of the most potent second-generation photosensitizers, clinically
used for photodynamic therapy (PDT) of head and neck squamous cell
carcinomas. However, improvements are still required concerning its
present formulation (i.e., Foscan, a solution of mTHPC in ethanol/propylene
glycol (40:60 w/w)), as mTHPC has the tendency to aggregate in aqueous
media, e.g., biological fluids, and it has limited tumor specificity.
In the present study, polymeric micelles with three different diameters
(17, 24, and 45 nm) based on benzyl-poly(ε-caprolactone)-b-poly(ethylene glycol) (PCLn-PEG; n = 9, 15, or 23) were prepared with mTHPC
loadings ranging from 0.5 to 10 wt % using a film-hydration method
as advanced nanoformulations for this photosensitizer. To favor the
uptake of the micelles by cancer cells that overexpress the epidermal
growth factor receptor (EGFR), the micelles were decorated with an
EGFR-targeted nanobody (named EGa1) through maleimide-thiol chemistry.
The enhanced binding of the EGFR-targeted micelles at 4 °C to
EGFR-overexpressing A431 cells, compared to low-EGFR-expressing HeLa
cells, confirmed the specificity of the micelles. In addition, an
enhanced uptake of mTHPC-loaded micelles by A431 cells was observed
when these were decorated with the EGa1 nanobody, compared to nontargeted
micelles. Both binding and uptake of targeted micelles were blocked
by an excess of free EGa1 nanobody, demonstrating that these processes
occur through EGFR. In line with this, mTHPC loaded in EGa1-conjugated
PCL23-PEG (EGa1-P23) micelles demonstrated 4
times higher photocytotoxicity on A431 cells, compared to micelles
lacking the nanobody. Importantly, EGa1-P23 micelles also
showed selective PDT against A431 cells compared to the low-EGFR-expressing
HeLa cells. Finally, an in vivo pharmacokinetic study
shows that after intravenous injection, mTHPC incorporated in the
P23 micelles displayed prolonged blood circulation kinetics,
compared to free mTHPC, independently of the presence of EGa1. Thus,
these results make these micelles a promising nanomedicine formulation
for selective therapy.
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Affiliation(s)
- Yanna Liu
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CS Utrecht, The Netherlands
| | - Luca Scrivano
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CS Utrecht, The Netherlands
| | - Julia Denise Peterson
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CS Utrecht, The Netherlands
| | - Marcel H A M Fens
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CS Utrecht, The Netherlands
| | - Irati Beltrán Hernández
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CS Utrecht, The Netherlands.,Division of Cell Biology, Department of Biology, Utrecht University, 3584 CH Utrecht, The Netherlands
| | - Bárbara Mesquita
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CS Utrecht, The Netherlands
| | - Javier Sastre Toraño
- Department of Chemical Biology & Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CS Utrecht, The Netherlands
| | - Wim E Hennink
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CS Utrecht, The Netherlands
| | - Cornelus F van Nostrum
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CS Utrecht, The Netherlands
| | - Sabrina Oliveira
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CS Utrecht, The Netherlands.,Division of Cell Biology, Department of Biology, Utrecht University, 3584 CH Utrecht, The Netherlands
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42
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Fliervoet LA, Lisitsyna ES, Durandin NA, Kotsis I, Maas-Bakker RFM, Yliperttula M, Hennink WE, Vuorimaa-Laukkanen E, Vermonden T. Structure and Dynamics of Thermosensitive pDNA Polyplexes Studied by Time-Resolved Fluorescence Spectroscopy. Biomacromolecules 2020; 21:73-88. [PMID: 31500418 PMCID: PMC6961130 DOI: 10.1021/acs.biomac.9b00896] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 08/29/2019] [Indexed: 12/15/2022]
Abstract
Combining multiple stimuli-responsive functionalities into the polymer design is an attractive approach to improve nucleic acid delivery. However, more in-depth fundamental understanding how the multiple functionalities in the polymer structures are influencing polyplex formation and stability is essential for the rational development of such delivery systems. Therefore, in this study the structure and dynamics of thermosensitive polyplexes were investigated by tracking the behavior of labeled plasmid DNA (pDNA) and polymer with time-resolved fluorescence spectroscopy using fluorescence resonance energy transfer (FRET). The successful synthesis of a heterofunctional poly(ethylene glycol) (PEG) macroinitiator containing both an atom transfer radical polymerization (ATRP) and reversible addition-fragmentation chain-transfer (RAFT) initiator is reported. The use of this novel PEG macroinitiator allows for the controlled polymerization of cationic and thermosensitive linear triblock copolymers and labeling of the chain-end with a fluorescent dye by maleimide-thiol chemistry. The polymers consisted of a thermosensitive poly(N-isopropylacrylamide) (PNIPAM, N), hydrophilic PEG (P), and cationic poly(2-(dimethylamino)ethyl methacrylate) (PDMAEMA, D) block, further referred to as NPD. Polymer block D chain-ends were labeled with Cy3, while pDNA was labeled with FITC. The thermosensitive NPD polymers were used to prepare pDNA polyplexes, and the effect of the N/P charge ratio, temperature, and composition of the triblock copolymer on the polyplex properties were investigated, taking nonthermosensitive PD polymers as the control. FRET was observed both at 4 and 37 °C, indicating that the introduction of the thermosensitive PNIPAM block did not compromise the polyplex structure even above the polymer's cloud point. Furthermore, FRET results showed that the NPD- and PD-based polyplexes have a less dense core compared to polyplexes based on cationic homopolymers (such as PEI) as reported before. The polyplexes showed to have a dynamic character meaning that the polymer chains can exchange between the polyplex core and shell. Mobility of the polymers allow their uniform redistribution within the polyplex and this feature has been reported to be favorable in the context of pDNA release and subsequent improved transfection efficiency, compared to nondynamic formulations.
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Affiliation(s)
- Lies A.
L. Fliervoet
- Department
of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS),
Faculty of Science, Utrecht University, P.O. Box 80082, 3508 TB Utrecht, The Netherlands
| | - Ekaterina S. Lisitsyna
- Chemistry
and Advanced Materials, Faculty of Engineering and Natural Sciences, Tampere University, FI-33014 Tampere, Finland
| | - Nikita A. Durandin
- Chemistry
and Advanced Materials, Faculty of Engineering and Natural Sciences, Tampere University, FI-33014 Tampere, Finland
| | - Ilias Kotsis
- Department
of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS),
Faculty of Science, Utrecht University, P.O. Box 80082, 3508 TB Utrecht, The Netherlands
| | - Roel F. M. Maas-Bakker
- Department
of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS),
Faculty of Science, Utrecht University, P.O. Box 80082, 3508 TB Utrecht, The Netherlands
| | - Marjo Yliperttula
- Division
of Pharmaceutical Biosciences and Drug Research Program, University of Helsinki, P.O. Box 56 (Viikinkaari 5E), 00014 Helsinki, Finland
| | - Wim E. Hennink
- Department
of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS),
Faculty of Science, Utrecht University, P.O. Box 80082, 3508 TB Utrecht, The Netherlands
| | - Elina Vuorimaa-Laukkanen
- Chemistry
and Advanced Materials, Faculty of Engineering and Natural Sciences, Tampere University, FI-33014 Tampere, Finland
| | - Tina Vermonden
- Department
of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS),
Faculty of Science, Utrecht University, P.O. Box 80082, 3508 TB Utrecht, The Netherlands
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43
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Xu Z, Pan C, Yuan W. Light-enhanced hypoxia-responsive and azobenzene cleavage-triggered size-shrinkable micelles for synergistic photodynamic therapy and chemotherapy. Biomater Sci 2020; 8:3348-3358. [DOI: 10.1039/d0bm00328j] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The micelles self-assembled from POEGMA-b-PCL-Azo-PCL-b-POEGMA present light-enhanced hypoxia-responsive and azobenzene cleavage-triggered size-shrinkable properties for synergistic photodynamic therapy and chemotherapy.
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Affiliation(s)
- Zhangting Xu
- Department of Interventional and Vascular surgery
- Shanghai Tenth People's Hospital
- School of Materials Science and Engineering
- Tongji University
- Shanghai 201804
| | - Chang Pan
- Department of Interventional and Vascular surgery
- Shanghai Tenth People's Hospital
- School of Materials Science and Engineering
- Tongji University
- Shanghai 201804
| | - Weizhong Yuan
- Department of Interventional and Vascular surgery
- Shanghai Tenth People's Hospital
- School of Materials Science and Engineering
- Tongji University
- Shanghai 201804
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Bresseleers J, Bagheri M, Storm G, Metselaar JM, Hennink WE, Meeuwissen SA, van Hest JCM. Scale-Up of the Manufacturing Process To Produce Docetaxel-Loaded mPEG- b-p(HPMA-Bz) Block Copolymer Micelles for Pharmaceutical Applications. Org Process Res Dev 2019; 23:2707-2715. [PMID: 32952390 PMCID: PMC7493301 DOI: 10.1021/acs.oprd.9b00387] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Indexed: 12/22/2022]
Abstract
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An
efficient, scalable, and good manufacturing practice (GMP) compatible
process was developed for the production of docetaxel-loaded poly(ethylene
glycol)-b-poly(N-2-benzoyloxypropyl
methacrylamide) (mPEG-b-p(HPMA-Bz)) micelles. First,
the synthesis of the mPEG-b-p(HPMA-Bz) block copolymer
was optimized through step-by-step investigation of the batch synthesis
procedures. This resulted in the production of 1 kg of mPEG-b-p(HPMA-Bz) block copolymer with a 5 kDa PEG block and
an overall molecular weight of 22.5 kDa. Second, the reproducibility
and scalability of micelle formation was investigated for both batch
and continuous flow setups by assessing critical process parameters.
This resulted in the development of a new and highly efficient continuous
flow process, which led to the production of 100 mL of unloaded micelles
with a size of 55 nm. Finally, the loading of the micelles with the
anticancer drug docetaxel was successfully fine-tuned to obtain precise
control on the loaded micelle characteristics. As a result, 100 mL
of docetaxel-loaded micelles (20 mg/mL polymer and 5 mg/mL docetaxel
in the feed) with a size of 55 nm, an encapsulation efficiency of
65%, a loading capacity of 14%, and stable for at least 2 months in
water at room temperature were produced with the newly developed continuous
flow process. In conclusion, this study paves the way for efficient
and robust large-scale production of docetaxel-loaded micelles with
high encapsulation efficiencies and stability, which is crucial for
their applicability as a clinically relevant drug delivery platform.
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Affiliation(s)
- Jaleesa Bresseleers
- ChemConnection BV - Ardena Oss, 5349 AB Oss, The Netherlands.,Department of Bio-Organic chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
| | - Mahsa Bagheri
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Faculty of Science, Utrecht University, 3508 TB Utrecht, The Netherlands
| | - Gert Storm
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Faculty of Science, Utrecht University, 3508 TB Utrecht, The Netherlands.,Section - Targeted Therapeutics, Department of Biomaterials Science and Technology, Faculty of Science and Technology, University of Twente, 7522 NB Enschede, The Netherlands
| | - Josbert M Metselaar
- Department of Nanomedicine and Theranostics, Institute for Experimental Molecular Imaging RWTH University Clinic, 52074 Aachen, Germany
| | - Wim E Hennink
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS), Faculty of Science, Utrecht University, 3508 TB Utrecht, The Netherlands
| | | | - Jan C M van Hest
- Department of Bio-Organic chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
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45
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Role of self‐assembly conditions and amphiphilic balance on nanoparticle formation of PEG‐PDLLA copolymers in aqueous environments. ACTA ACUST UNITED AC 2019. [DOI: 10.1002/pola.29451] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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