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Münter R, Larsen JB, Andresen TL. The vast majority of nucleic acid-loaded lipid nanoparticles contain cargo. J Colloid Interface Sci 2024; 674:139-144. [PMID: 38925059 DOI: 10.1016/j.jcis.2024.06.158] [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: 03/20/2024] [Revised: 06/15/2024] [Accepted: 06/22/2024] [Indexed: 06/28/2024]
Abstract
Nucleic acid-based therapies are transforming medicine, but rely on an efficient delivery vehicle such as lipid nanoparticles (LNPs). Concerns exists in the nanomedicine field, that a large fraction of the LNPs in the ensemble does not contain any nucleic acid cargo and thus exert no functional effect. Nevertheless, how LNP lipid formulation, the LNP preparation method employed and nucleic acid cargo size correlates with the proportion of empty LNPs remains largely unexplored. Here we employ a well-established single particle based method to study nucleic acid loading heterogeneity in LNPs. We find that only a minor fraction of LNPs are "empty", both for LNPs loaded with siRNA, mRNA and plasmids. For clinically relevant LNPs for mRNA delivery, we never detected more than 16% empty nanoparticles in the ensemble. Thus employing standard LNP lipid-cargo combinations and preparation schemes results in LNPs with the potential to serve their biomedical function.
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Affiliation(s)
- Rasmus Münter
- Colloid and Biological Interfaces (CBIO), Department of Health Technology, Technical University of Denmark (DTU), Kgs. Lyngby, Denmark
| | - Jannik B Larsen
- Colloid and Biological Interfaces (CBIO), Department of Health Technology, Technical University of Denmark (DTU), Kgs. Lyngby, Denmark
| | - Thomas L Andresen
- Colloid and Biological Interfaces (CBIO), Department of Health Technology, Technical University of Denmark (DTU), Kgs. Lyngby, Denmark.
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2
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Morla-Folch J, Ranzenigo A, Fayad ZA, Teunissen AJP. Nanotherapeutic Heterogeneity: Sources, Effects, and Solutions. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2307502. [PMID: 38050951 PMCID: PMC11045328 DOI: 10.1002/smll.202307502] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 10/30/2023] [Indexed: 12/07/2023]
Abstract
Nanomaterials have revolutionized medicine by enabling control over drugs' pharmacokinetics, biodistribution, and biocompatibility. However, most nanotherapeutic batches are highly heterogeneous, meaning they comprise nanoparticles that vary in size, shape, charge, composition, and ligand functionalization. Similarly, individual nanotherapeutics often have heterogeneously distributed components, ligands, and charges. This review discusses nanotherapeutic heterogeneity's sources and effects on experimental readouts and therapeutic efficacy. Among other topics, it demonstrates that heterogeneity exists in nearly all nanotherapeutic types, examines how nanotherapeutic heterogeneity arises, and discusses how heterogeneity impacts nanomaterials' in vitro and in vivo behavior. How nanotherapeutic heterogeneity skews experimental readouts and complicates their optimization and clinical translation is also shown. Lastly, strategies for limiting nanotherapeutic heterogeneity are reviewed and recommendations for developing more reproducible and effective nanotherapeutics provided.
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Affiliation(s)
- Judit Morla-Folch
- Biomedical Engineering and Imaging Institute, Icahn School of Medicine at Mount Sinai, New York, 10029, NY, USA
- Cardiovascular Research Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Anna Ranzenigo
- Biomedical Engineering and Imaging Institute, Icahn School of Medicine at Mount Sinai, New York, 10029, NY, USA
- Cardiovascular Research Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Zahi Adel Fayad
- Biomedical Engineering and Imaging Institute, Icahn School of Medicine at Mount Sinai, New York, 10029, NY, USA
- Cardiovascular Research Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Abraham Jozef Petrus Teunissen
- Biomedical Engineering and Imaging Institute, Icahn School of Medicine at Mount Sinai, New York, 10029, NY, USA
- Cardiovascular Research Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Icahn Genomics Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
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3
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Yang Y, Lin M, Sun M, Zhang GQ, Guo J, Li J. Nanotechnology boosts the efficiency of tumor diagnosis and therapy. Front Bioeng Biotechnol 2023; 11:1249875. [PMID: 37576984 PMCID: PMC10419217 DOI: 10.3389/fbioe.2023.1249875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 07/14/2023] [Indexed: 08/15/2023] Open
Abstract
The incidence and mortality of cancer are gradually increasing. The highly invasive and metastasis of tumor cells increase the difficulty of diagnosis and treatment, so people pay more and more attention to the diagnosis and treatment of cancer. Conventional treatment methods, including surgery, radiotherapy and chemotherapy, are difficult to eliminate tumor cells completely. And the emergence of nanotechnology has boosted the efficiency of tumor diagnosis and therapy. Herein, the research progress of nanotechnology used for tumor diagnosis and treatment is reviewed, and the emerging detection technology and the application of nanodrugs in clinic are summarized and prospected. The first part refers to the application of different nanomaterials for imaging in vivo and detection in vitro, which includes magnetic resonance imaging, fluorescence imaging, photoacoustic imaging and biomarker detection. The distinctive physical and chemical advantages of nanomaterials can improve the detection sensitivity and accuracy to achieve tumor detection in early stage. The second part is about the nanodrug used in clinic for tumor treatment. Nanomaterials have been widely used as drug carriers, including the albumin paclitaxel, liposome drugs, mRNA-LNP, protein nanocages, micelles, membrane nanocomplexes, microspheres et al., which could improve the drug accumulate in tumor tissue through enhanced permeability and retention effect to kill tumor cells with high efficiency. But there are still some challenges to revolutionize traditional tumor diagnosis and anti-drug resistance based on nanotechnology.
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Affiliation(s)
| | | | | | | | - Jianshuang Guo
- Pharmacology and Toxicology Research Laboratory, College of Pharmaceutical Science, Hebei University, Baoding, Hebei, China
| | - Jianheng Li
- Pharmacology and Toxicology Research Laboratory, College of Pharmaceutical Science, Hebei University, Baoding, Hebei, China
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4
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Botet-Carreras A, Marimon MB, Millan-Solsona R, Aubets E, Ciudad CJ, Noé V, Montero MT, Domènech Ò, Borrell JH. On the uptake of cationic liposomes by cells: From changes in elasticity to internalization. Colloids Surf B Biointerfaces 2023; 221:112968. [DOI: 10.1016/j.colsurfb.2022.112968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 10/14/2022] [Accepted: 10/22/2022] [Indexed: 11/06/2022]
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5
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Zhang N, Feng N, Xin X, Zhang J, Wu D, Jiang Q, Yu T, Gao M, Zhao S, Yang H, Tian Q. Nano-drug delivery system with enhanced tumour penetration and layered anti-tumour efficacy. NANOMEDICINE : NANOTECHNOLOGY, BIOLOGY, AND MEDICINE 2022; 45:102592. [PMID: 35905842 DOI: 10.1016/j.nano.2022.102592] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 05/31/2022] [Accepted: 07/20/2022] [Indexed: 06/15/2023]
Abstract
The low delivery efficiency of nano-drugs and limited tumour penetration are still huge challenges in treating solid tumours. Herein, we developed a pH-responsive nano-drug delivery system, CALS/PDMA@DOX, with a size conversion-layered delivery function. The system is composed of a pH-responsive cationic liposome loaded with DOX (CALS) and a polyamidoamine dendrimer loaded with DOX (PAMAM@DOX) modified with 2,3-dimethylmaleic anhydride (PDMA@DOX) using electrostatic adsorption. In the tumour microenvironment, the positively-charged large-size CALS and the positively-charged small-size PAMAM@DOX were dissociated to exert anti-tumour effects. CALS preferentially targeted tumour angiogenesis endothelial cells. Because of its small size and positive charge, PAMAM@DOX showed excellent tumour penetration. Significant tumour suppression by the system in vivo was confirmed in a 4T1 tumour xenograft mouse model. This pH-triggered size-switching layered delivery nanosystem is a safe and effective cancer treatment delivery platform that improves drug permeability and therapeutic efficacy.
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Affiliation(s)
- Nan Zhang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Nannan Feng
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Xiangying Xin
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Junwei Zhang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Deqiao Wu
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Qianqian Jiang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Tong Yu
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Ming Gao
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Siyuan Zhao
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Hui Yang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China
| | - Qingfeng Tian
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, China.
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6
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Chen C, Zhou Y, Chen C, Zhu S, Yan X. Quantification of Available Ligand Density on the Surface of Targeted Liposomal Nanomedicines at the Single-Particle Level. ACS NANO 2022; 16:6886-6897. [PMID: 35394292 DOI: 10.1021/acsnano.2c02084] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Active targeting has been hailed as one of the most promising strategies to further enhance the therapeutic efficacy of liposomal nanomedicines. Owing to the critical role of ligand density in mediating cellular uptake and the intrinsic heterogeneity of liposomal formulations, precise quantification of the surface ligand density on a single-particle basis is of fundamental importance. In this work, we report a method to simultaneously measure the particle size and the number of ligands on the same liposomal nanoparticles by nanoflow cytometry. Then the ligand density for each individual liposome can be determined. With an analysis rate up to 10 000 particles per minute, a statistically representative distribution of ligand density could be determined in minutes. By utilizing fluorescently labeled recombinant receptors as the detection probe against the conjugated ligands, only those available for cell targeting can be exclusively detected. The influence of ligand input, conjugation strategy, and the polyethylene glycol spacer length on the available ligand density of folate-modified liposomes was investigated. The correlation between the available ligand density and cell targeting capability was assessed in a quantitative perspective for liposomes modified with three different targeting moieties. The optimal ligand density was determined to be 0.5-2.0, 0.7, and 0.2 ligand per 100 nm2 for folate-, transferrin-, and HER2-antibody-conjugated liposomes, respectively. These optimal values agreed well with the spike density of the natural counterparts, viruses. The as-developed approach is generally applicable to a wide range of active-targeting nanocarriers.
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Affiliation(s)
- Chaoxiang Chen
- Department of Chemical Biology, MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, Key Laboratory for Chemical Biology of Fujian Province, Collaborative Innovation Center of Chemistry for Energy Materials, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, People's Republic of China
- Department of Biological Engineering, College of Ocean Food and Biological Engineering, Jimei University, Xiamen, Fujian 361021, People's Republic of China
| | - Yingxing Zhou
- Department of Chemical Biology, MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, Key Laboratory for Chemical Biology of Fujian Province, Collaborative Innovation Center of Chemistry for Energy Materials, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, People's Republic of China
| | - Chen Chen
- Department of Chemical Biology, MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, Key Laboratory for Chemical Biology of Fujian Province, Collaborative Innovation Center of Chemistry for Energy Materials, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, People's Republic of China
| | - Shaobin Zhu
- Department of Chemical Biology, MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, Key Laboratory for Chemical Biology of Fujian Province, Collaborative Innovation Center of Chemistry for Energy Materials, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, People's Republic of China
| | - Xiaomei Yan
- Department of Chemical Biology, MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, Key Laboratory for Chemical Biology of Fujian Province, Collaborative Innovation Center of Chemistry for Energy Materials, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, People's Republic of China
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7
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Gupta A, Paudwal G, Dolkar R, Lewis S, Gupta PN. Recent advances in the surfactant and controlled release polymer-based solid dispersion. Curr Pharm Des 2022; 28:1643-1659. [PMID: 35209818 DOI: 10.2174/1381612828666220223095417] [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: 08/03/2021] [Accepted: 12/24/2021] [Indexed: 11/22/2022]
Abstract
The oral route is the most preferred delivery route for drug administration due to its advantages such as lower cost, improved patient compliance, no need for trained personnel and the drug reactions are generally less severe. The major problem with new molecules in the drug discovery pipeline is poor solubility and dissolution rate that ultimately results in low oral bioavailability. Numerous techniques are available for solubility and bioavailability (BA) enhancement, but out of all, solid dispersion (SD) is proven to be the most feasible due to the least issues in manufacturing, processing, storage, and transportation. In the past few years, SD had been extensively applied to reinforce the common issues of insoluble drugs. Currently, many hydrophobic and hydrophilic polymers are used to prepare either immediate release or controlled release SDs. Therefore, the biological behavior of the SDs is contingent upon the use of appropriate polymeric carriers and methods of preparation. The exploration of novel carriers and methodologies in SD technology leads to improved BA and therapeutic effectiveness. Moreover, the clinical applicability of SD-based formulations has been increased with the discovery of novel polymeric carriers. In this review, emphasis is laid down on the present status of recent generations of SDs (i.e., surfactant and controlled release polymer-based SD) and their application in modifying the physical properties of the drug and modulation of pharmacological response in different ailments.
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Affiliation(s)
- Aman Gupta
- PK-PD Tox & Formulation Division, CSIR-Indian Institute of Integrative Medicine, Jammu-180002, India
- Manipal College of Pharmaceutical Sciences, MAHE, Manipal-576104, India
| | - Gourav Paudwal
- PK-PD Tox & Formulation Division, CSIR-Indian Institute of Integrative Medicine, Jammu-180002, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Rigzin Dolkar
- PK-PD Tox & Formulation Division, CSIR-Indian Institute of Integrative Medicine, Jammu-180002, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Shaila Lewis
- Manipal College of Pharmaceutical Sciences, MAHE, Manipal-576104, India
| | - Prem N Gupta
- PK-PD Tox & Formulation Division, CSIR-Indian Institute of Integrative Medicine, Jammu-180002, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
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8
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Quantifying the heterogeneity of enzymatic dePEGyaltion of liposomal nanocarrier systems. Eur J Pharm Biopharm 2022; 171:80-89. [PMID: 35021105 DOI: 10.1016/j.ejpb.2021.12.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 12/16/2021] [Accepted: 12/29/2021] [Indexed: 11/22/2022]
Abstract
Lipid nanoparticles have been clinically successful in particular recently within the vaccine field, but better tools are needed to analyze heterogeneities at the single particle level to progress drug delivery designs to the next level. Especially, liposomal nanocarriers are becoming increasingly complex e.g. by employing environmental cues for shedding their protective PEG layer, however a detailed mechanistic understanding of how the dePEGylation varies from liposome-to-liposome is still missing. Here we present the development of a fluorescence microscopy based assay capable of detecting the enzyme mediated dePEGylation of individual liposomes. We employ this methodology to understand how enzyme type-, concentration- and incubation time, in addition to liposome size, affects the dePEGylation at the single particle level.
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9
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Ural MS, Dartois E, Mathurin J, Desmaële D, Collery P, Dazzi A, Deniset-Besseau A, Gref R. Quantification of drug loading in polymeric nanoparticles using AFM-IR technique: a novel method to map and evaluate drug distribution in drug nanocarriers. Analyst 2022; 147:5564-5578. [DOI: 10.1039/d2an01079h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Atomic force microscopy-infrared spectroscopy allows individual nanoparticle mapping and determination of their drug loading.
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Affiliation(s)
- M. Seray Ural
- Institut de Sciences Moléculaires d'Orsay (ISMO), CNRS UMR 8214, Université Paris-Saclay, 91405, Orsay, France
| | - Emmanuel Dartois
- Institut de Sciences Moléculaires d'Orsay (ISMO), CNRS UMR 8214, Université Paris-Saclay, 91405, Orsay, France
| | - Jérémie Mathurin
- Institut de Chimie Physique (ICP), CNRS UMR 8000, Université Paris-Saclay, 91405, Orsay, France
| | - Didier Desmaële
- Institut Galien (IGPS), CNRS UMR 8612, Université Paris-Sud, Université Paris-Saclay, 91405, Orsay, France
| | - Philippe Collery
- Society for the Coordination of Therapeutic Research, 20220, Algajola, France
| | - Alexandre Dazzi
- Institut de Chimie Physique (ICP), CNRS UMR 8000, Université Paris-Saclay, 91405, Orsay, France
| | - Ariane Deniset-Besseau
- Institut de Chimie Physique (ICP), CNRS UMR 8000, Université Paris-Saclay, 91405, Orsay, France
| | - Ruxandra Gref
- Institut de Sciences Moléculaires d'Orsay (ISMO), CNRS UMR 8214, Université Paris-Saclay, 91405, Orsay, France
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Lin W, Goldberg R, Klein J. Poly-phosphocholination of liposomes leads to highly-extended retention time in mice joints. J Mater Chem B 2022; 10:2820-2827. [PMID: 35099493 PMCID: PMC9007059 DOI: 10.1039/d1tb02346b] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Surface-attached layers of phosphatidylcholine (PC) lipid vesicles (liposomes) may reduce the friction coefficient μ (= force-to-slide/load) between the sliding surfaces down to μ ≈ 10−3–10−4 up to tens of atm contact pressures, as high as those in the major joints (hips or knees). Such friction reduction is attributed to hydration lubrication by the highly-hydrated phosphocholine head-groups exposed at the outer vesicle surfaces. It has been suggested therefore that intra-articular (IA) administration of liposomes as potential boundary lubricants may alleviate degenerative, friction-associated joint conditions such as osteoarthritis (OA), which is associated with insufficient lubrication at the articular cartilage surface. To overcome the problem, common to all nanoparticles, of rapid removal by the mononuclear phagocyte system, as well as to ensure long-term colloidal stability during storage, functionalizing liposomes with poly(ethylene glycol) moieties, PEGylation, is often used. Here we describe a different liposome functionalization approach, using poly(2-methacryloyloxyethyl phosphorylcholine), PMPC, moieties (strictly, lipid–PMPC conjugates), and compare the retention time in mice joints of such PMPCylated liposomes with otherwise-identical but PEGylated vesicles following IA administration. We find, using fluorescence labeling and in vivo optical imaging, that when PMPC-stabilized liposomes are injected into mice knee joints, there is a massive increase of the vesicles’ retention half-life in the joints of about (4–5)-fold (ca. 300–400% increase in retention time) compared with the PEGylated liposomes (and some 100-fold longer than the retention time of intra-articularly injected hyaluronan or HA). Such PMPCylated liposomes are therefore promising candidates as potential long-lived boundary lubricants at the articular cartilage surface, with implication for friction-associated pathologies. Moreover, as lipid vesicles are well known to be efficient drug carriers, such long retention in the joints may enable analgesic or anti-inflammatory agents for joint pathologies to be more efficiently delivered via IA administration using PMPCylated liposomal vehicles relative to PEGylated ones. PMPCylated liposomes injected into mice joints show a massive increase in retention half-life compared with PEGylated liposomes (or hyaluronan, HA), making them promising candidates as boundary lubricants at articular cartilage, or as drug carriers.![]()
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Affiliation(s)
- Weifeng Lin
- Department of Molecular Chemistry and Materials Science, Weizmann Institute of Science, Rehovot 76100, Israel.
| | - Ronit Goldberg
- Department of Molecular Chemistry and Materials Science, Weizmann Institute of Science, Rehovot 76100, Israel.
| | - Jacob Klein
- Department of Molecular Chemistry and Materials Science, Weizmann Institute of Science, Rehovot 76100, Israel.
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