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Pande S. Factors affecting response variables with emphasis on drug release and loading for optimization of liposomes. ARTIFICIAL CELLS, NANOMEDICINE, AND BIOTECHNOLOGY 2024; 52:334-344. [PMID: 38833335 DOI: 10.1080/21691401.2024.2360634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Accepted: 05/22/2024] [Indexed: 06/06/2024]
Abstract
Drug delivery through Liposomes has shown tremendous potential in terms of the therapeutic application of nanoparticles. There are several drug-loaded liposomal formulations approved for clinical use that help mitigate harmful effects of life-threatening diseases. Developments in the field of liposomal formulations and drug delivery have made it possible for clinicians and researchers to find therapeutic solutions for complicated medical conditions. A key aspect in the development of drug-loaded liposomes is a careful review of optimization techniques to improve the overall formulation stability and efficacy. Optimization studies help in improving/modulating the various properties of drug-loaded liposomes and are vital for the development of this class of delivery systems. A comprehensive overview of the various process variables and factors involved in the optimization of drug-loaded liposomes is presented in this review. The influence of different independent variables on drug release and loading properties with the application of a statistical experimental design is also explained in this article.
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Affiliation(s)
- Shantanu Pande
- Drug Product Technical Services, Wave Life Sciences, MA, USA
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Chen Y, Xu J, Li P, Shi L, Zhang S, Guo Q, Yang Y. Advances in the use of local anesthetic extended-release systems in pain management. Drug Deliv 2024; 31:2296349. [PMID: 38130151 PMCID: PMC10763865 DOI: 10.1080/10717544.2023.2296349] [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: 07/13/2023] [Accepted: 11/15/2023] [Indexed: 12/23/2023] Open
Abstract
Pain management remains among the most common and largely unmet clinical problems today. Local anesthetics play an indispensable role in pain management. The main limitation of traditional local anesthetics is the limited duration of a single injection. To address this problem, catheters are often placed or combined with other drugs in clinical practice to increase the time that local anesthetics act. However, this method does not meet the needs of clinical analgesics. Therefore, many researchers have worked to develop local anesthetic extended-release types that can be administered in a single dose. In recent years, drug extended-release systems have emerged dramatically due to their long duration and efficacy, providing more possibilities for the application of local anesthetics. This paper summarizes the types of local anesthetic drug delivery systems and their clinical applications, discusses them in the context of relevant studies on local anesthetics, and provides a summary and outlook on the development of local anesthetic extended-release agents.
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Affiliation(s)
- Yulu Chen
- Department of Anesthesiology, Xiangya Hospital, Central South University, Changsha, China
| | - Jingmei Xu
- Department of Anesthesiology, Xiangya Hospital, Central South University, Changsha, China
| | - Ping Li
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
- Department of Obstetrics, Xiangya Hospital, Central South University, Changsha, China
| | - Liyang Shi
- College of Biology, Hunan University, Changsha, China
| | - Sha Zhang
- Department of Anesthesiology, Xiangya Hospital, Central South University, Changsha, China
| | - Qulian Guo
- Department of Anesthesiology, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Yong Yang
- Department of Anesthesiology, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
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Kim M, Hwang JE, Lee JS, Park J, Oh C, Lee S, Yu J, Zhang W, Im HJ. Development of Indocyanine Green/Methyl-β-cyclodextrin Complex-Loaded Liposomes for Enhanced Photothermal Cancer Therapy. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 38912948 DOI: 10.1021/acsami.4c01078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/25/2024]
Abstract
Photothermal therapy (PTT) is a promising cancer therapeutic approach due to its spatial selectivity and high potency. Indocyanine green (ICG) has been considered a biocompatible PTT agent. However, ICG has several challenges to hinder its clinical use including rapid blood clearance and instability to heat, light, and solvent, leading to a loss of photoactivation property and PTT efficacy. Herein, we leveraged stabilizing components, methyl-β-cyclodextrin and liposomes, in one nanoplatform (ICD lipo) to enhance ICG stability and the photothermal therapeutic effect against cancer. Compared to ICG, ICD lipo displayed a 4.8-fold reduction in degradation in PBS solvent after 30 days and a 3.4-fold reduction in photobleaching after near-infrared laser irradiation. Moreover, in tumor-bearing mice, ICD lipo presented a 2.7-fold increase in tumor targetability and inhibited tumor growth 9.6 times more effectively than did ICG without any serious toxicity. We believe that ICD lipo could be a potential PTT agent for cancer therapeutics.
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Affiliation(s)
- MinKyu Kim
- Department of Applied Bioengineering, Graduate School of Convergence Science and Technology, Seoul National University, Seoul 08826, Republic of Korea
| | - Jee-Eun Hwang
- Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, Seoul National University, Seoul 08826, Republic of Korea
| | - Jeong-Seob Lee
- Department of Applied Bioengineering, Graduate School of Convergence Science and Technology, Seoul National University, Seoul 08826, Republic of Korea
| | - Jiwoo Park
- Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, Seoul National University, Seoul 08826, Republic of Korea
| | - Chiwoo Oh
- Department of Applied Bioengineering, Graduate School of Convergence Science and Technology, Seoul National University, Seoul 08826, Republic of Korea
| | - Subin Lee
- Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, Seoul National University, Seoul 08826, Republic of Korea
| | - Jiyeon Yu
- Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, Seoul National University, Seoul 08826, Republic of Korea
| | - Wang Zhang
- Department of Applied Bioengineering, Graduate School of Convergence Science and Technology, Seoul National University, Seoul 08826, Republic of Korea
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225009, P.R. China
- Research Institute for Convergence Science, Seoul National University, Seoul 08826, Republic of Korea
| | - Hyung-Jun Im
- Department of Applied Bioengineering, Graduate School of Convergence Science and Technology, Seoul National University, Seoul 08826, Republic of Korea
- Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, Seoul National University, Seoul 08826, Republic of Korea
- Research Institute for Convergence Science, Seoul National University, Seoul 08826, Republic of Korea
- Cancer Research Institute, Seoul National University, Seoul 03080, Republic of Korea
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Dauda AM, Swift T, Telford R, Abd El-Wahab HAA, Danta CC, Pors K, Ruiz A. Insight into the liposomal encapsulation of mono and bis-naphthalimides. RSC PHARMACEUTICS 2024; 1:272-282. [PMID: 38899150 PMCID: PMC11185046 DOI: 10.1039/d3pm00060e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 02/25/2024] [Indexed: 06/21/2024]
Abstract
Mitonafide-loaded liposomes are a promising strategy to overcome the neurotoxicity observed in clinical trials for this drug. This study investigates the influence of loaded mitonafide or a dimer analogue on different liposomal formulations and their therapeutic efficacy in vitro. Physicochemical properties of the liposomes were manipulated using different loading methods (namely bilayer or core loading) and varying the rigidity of the bilayer using distinct phospholipid compositions. Our results demonstrated that the mitonafide dimer analogue had a comparable encapsulation efficiency (EE%) into the liposomes when loaded into rigid or flexible bilayers in contrast to the low mitonafide monomer EE%. A pH gradient core loading method resulted in a more efficient mechanism to load the monomer into the liposomes. DOSY NMR and spectrofluorometric studies revealed key differences in the structure of the vesicles and the arrangement of the monomer or the dimer in the bilayer or the core of the liposomes. The in vitro assessment of the formulations using MDA-MB-231 and RT-112 cells revealed that a flexible lipid bilayer allows a faster drug release, which correlated well with the spectroscopy studies. This study investigated for the first time that the characteristics of the lipid bilayer and the loading method influence the encapsulation efficacy, colloidal properties, photoactivity and stability of mono and bis-naphthalimides loaded in a liposomal carrier, essential factors that will impact the performance of the formulation in a biological scenario.
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Affiliation(s)
- Abdullahi Magaji Dauda
- Institute of Cancer Therapeutics, School of Pharmacy and Medical Sciences, Faculty of Life Sciences, University of Bradford Bradford UK
| | - Thomas Swift
- School of Chemistry and Biosciences, Faculty of Life Sciences, University of Bradford Bradford UK
| | - Richard Telford
- School of Chemistry and Biosciences, Faculty of Life Sciences, University of Bradford Bradford UK
| | - Hend A A Abd El-Wahab
- Institute of Cancer Therapeutics, School of Pharmacy and Medical Sciences, Faculty of Life Sciences, University of Bradford Bradford UK
| | - Chhanda Charan Danta
- Institute of Cancer Therapeutics, School of Pharmacy and Medical Sciences, Faculty of Life Sciences, University of Bradford Bradford UK
| | - Klaus Pors
- Institute of Cancer Therapeutics, School of Pharmacy and Medical Sciences, Faculty of Life Sciences, University of Bradford Bradford UK
| | - Amalia Ruiz
- Institute of Cancer Therapeutics, School of Pharmacy and Medical Sciences, Faculty of Life Sciences, University of Bradford Bradford UK
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Kim E, Graceffa O, Broweleit R, Ladha A, Boies A, Rawle RJ. Lipid loss and compositional change during preparation of liposomes by common biophysical methods. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.30.596670. [PMID: 38854048 PMCID: PMC11160747 DOI: 10.1101/2024.05.30.596670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2024]
Abstract
Liposomes are widely used as model lipid membrane platforms in many fields, ranging from basic biophysical studies to drug delivery and biotechnology applications. Various methods exist to prepare liposomes, but common procedures include thin-film hydration followed by extrusion, freeze-thaw, and/or sonication. These procedures have the potential to produce liposomes at specific concentrations and membrane compositions, and researchers often assume that the concentration and composition of their liposomes are similar to, if not identical, to what would be expected if no lipid loss occurred during preparation. However, lipid loss and concomitant biasing of lipid composition can in principle occur at any preparation step due to nonideal mixing, lipid-surface interactions, etc. Here, we report a straightforward method using HPLC-ELSD to quantify the lipid concentration and membrane composition of liposomes, and apply that method to study the preparation of simple POPC/cholesterol liposomes. We examine many common steps in liposome formation, including vortexing during re-suspension, hydration of the lipid film, extrusion, freeze-thaw, sonication, and the percentage of cholesterol in the starting mixture. We found that the resuspension step can play an outsized role in determining the overall lipid loss (up to ~50% under seemingly rigorous procedures). The extrusion step yielded smaller lipid losses (~10-20%). Freeze-thaw and sonication could both be employed to improve lipid yields. Hydration times up to 60 minutes and increasing cholesterol concentrations up to 50 mole% had little influence on lipid recovery. Fortunately, even conditions with large lipid loss did not substantially influence the target membrane composition more than ~5% under the conditions we tested. From our results, we identify best practices for producing maximum levels of lipid recovery and minimal changes to lipid composition during liposome preparation protocols. We expect our results can be leveraged for improved preparation of model membranes by researchers in many fields.
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Affiliation(s)
- Eunice Kim
- Department of Chemistry, Williams College, Williamstown, MA, 01267, USA
| | - Olivia Graceffa
- Department of Chemistry, Williams College, Williamstown, MA, 01267, USA
| | - Rachel Broweleit
- Department of Chemistry, Williams College, Williamstown, MA, 01267, USA
| | - Ali Ladha
- Department of Chemistry, Williams College, Williamstown, MA, 01267, USA
| | - Andrew Boies
- Department of Chemistry, Williams College, Williamstown, MA, 01267, USA
| | - Robert J Rawle
- Department of Chemistry, Williams College, Williamstown, MA, 01267, USA
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Shahbazi S, Tafvizi F, Naseh V. Enhancing the efficacy of letrozole-loaded PEGylated nanoliposomes against breast cancer cells: In vitro study. Heliyon 2024; 10:e30503. [PMID: 38726203 PMCID: PMC11079254 DOI: 10.1016/j.heliyon.2024.e30503] [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: 03/02/2024] [Revised: 04/23/2024] [Accepted: 04/29/2024] [Indexed: 05/12/2024] Open
Abstract
Considering its overall impact on human health, letrozole (Let) has been described as having significant efficacy that could be improved by developing drug delivery systems. Considering the side effects of Let, this study aims to encapsulate Let in liposomes and PEGylated liposome nanoparticles (Lipo-Let-PEG) and evaluate the cytotoxic effects on the MCF-7 breast cancer cell line. For this purpose, the Lipo-Let-PEG formulation was designed and characterized by SEM, DLS, and FTIR methods, and the drug release from the optimized formulation and the stability of the optimized Lipo-Let-PEG were measured. Furthermore, the cytotoxicity and apoptotic studies were performed using MTT assay and flow cytometric analysis. According to the experimental data, the vesicle size and EE% were 170.05 ± 4.15 nm and 87.21 ± 1.36 %, respectively. The cumulative release from Lipo-Let-PEG at pH 5.4 and 7.4 was also approximately 60 % and 50 %, respectively. MTT results showed that Lip-Let-PEG produced more drug cytotoxicity than Lip-Let against MCF-7 cancer cells and was more compatible with normal cells. The results of apoptosis and cell cycle arrest using flow cytometry show that Lipo-Let-PEG caused the most significant increase in apoptotic rates and cell cycle arrest in cancer cells compared to other treated groups. In conclusion, Lipo-Let-PEG can be used as an anticancer agent by arresting cell cycle progression and inducing apoptosis, which can be applied in future studies to prevent breast cancer development.
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Affiliation(s)
- Soraya Shahbazi
- Department of Biology, Parand Branch, Islamic Azad University, Parand, Iran
| | - Farzaneh Tafvizi
- Department of Biology, Parand Branch, Islamic Azad University, Parand, Iran
| | - Vahid Naseh
- Department of Biology, Parand Branch, Islamic Azad University, Parand, Iran
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Shinde A, Panchal K, Patra P, Singh S, Enakolla S, Paliwal R, Chaurasiya A. QbD Enabled Development and Evaluation of Pazopanib Loaded Nanoliposomes for PDAC Treatment. AAPS PharmSciTech 2024; 25:97. [PMID: 38710894 DOI: 10.1208/s12249-024-02806-w] [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: 02/09/2024] [Accepted: 04/10/2024] [Indexed: 05/08/2024] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is one of the highly fatal types of cancer with high mortality/incidence. Considering the crucial role of vascular endothelial growth factor (VEGF) in PDAC progression, its inhibition can be a viable strategy for the treatment. Pazopanib, a second-generation VEGF inhibitor, is approved for the treatment of various oncological conditions. However, due to associated limitations like low oral bioavailability (14-39%), high inter/intra-subject variability, stability issues, etc., high doses (800 mg) are required, which further lead to non-specific toxicities and also contribute toward cancer resistance. Thus, to overcome these challenges, pazopanib-loaded PEGylated nanoliposomes were developed and evaluated against pancreatic cancer cell lines. The nanoliposomes were prepared by thin-film hydration method, followed by characterization and stability studies. This QbD-enabled process design successfully led to the development of a suitable pazopanib liposomal formulation with desirable properties. The % entrapment of PZP-loaded non-PEGylated and PEGylated nanoliposomes was found to be 75.2% and 84.9%, respectively, whereas their particle size was found to be 129.7 nm and 182.0 nm, respectively. The developed liposomal formulations exhibited a prolonged release and showed desirable physicochemical properties. Furthermore, these liposomal formulations were also assessed for in vitro cell lines, such as cell cytotoxicity assay and cell uptake. These studies confirm the effectiveness of developed liposomal formulations against pancreatic cancer cell lines. The outcomes of this work provide encouraging results and a way forward to thoroughly investigate its potential for PDAC treatment.
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Affiliation(s)
- Aishwarya Shinde
- Translational Pharmaceutics Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science, Hyderabad, Pilani, India
| | - Kanan Panchal
- Translational Pharmaceutics Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science, Hyderabad, Pilani, India
| | - Parameswar Patra
- Translational Pharmaceutics Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science, Hyderabad, Pilani, India
| | - Sonali Singh
- Translational Pharmaceutics Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science, Hyderabad, Pilani, India
| | - Sucharitha Enakolla
- Translational Pharmaceutics Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science, Hyderabad, Pilani, India
| | - Rishi Paliwal
- Nanomedicine and Bioengineering Research Laboratory, Department of Pharmacy, Indira Gandhi National Tribal University, Amarkantak, India
| | - Akash Chaurasiya
- Translational Pharmaceutics Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science, Hyderabad, Pilani, India.
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Hou F, Guo Z, Ho MT, Hui Y, Zhao CX. Particle-Based Artificial Antigen-Presenting Cell Systems for T Cell Activation in Adoptive T Cell Therapy. ACS NANO 2024; 18:8571-8599. [PMID: 38483840 DOI: 10.1021/acsnano.3c10180] [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: 03/27/2024]
Abstract
T cell-based adoptive cell therapy (ACT) has emerged as a promising treatment for various diseases, particularly cancers. Unlike other immunotherapy modalities, ACT involves directly transferring engineered T cells into patients to eradicate diseased cells; hence, it necessitates methods for effectively activating and expanding T cells in vitro. Artificial antigen-presenting cells (aAPCs) have been widely developed based on biomaterials, particularly micro- and nanoparticles, and functionalized with T cell stimulatory antibodies to closely mimic the natural T cell-APC interactions. Due to their vast clinical utility, aAPCs have been employed as an off-the-shelf technology for T cell activation in FDA-approved ACTs, and the development of aAPCs is constantly advancing with the emergence of aAPCs with more sophisticated designs and additional functionalities. Here, we review the recent advancements in particle-based aAPCs for T cell activation in ACTs. Following a brief introduction, we first describe the manufacturing processes of ACT products. Next, the design and synthetic strategies for micro- and nanoparticle-based aAPCs are discussed separately to emphasize their features, advantages, and limitations. Then, the impact of design parameters of aAPCs, such as size, shape, ligand density/mobility, and stiffness, on their functionality and biomedical performance is explored to provide deeper insights into the design concepts and principles for more efficient and safer aAPCs. The review concludes by discussing current challenges and proposing future perspectives for the development of more advanced aAPCs.
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Affiliation(s)
- Fei Hou
- School of Chemical Engineering, Faculty of Sciences, Engineering and Technology, The University of Adelaide, Adelaide, South Australia 5005, Australia
| | - Zichao Guo
- School of Chemical Engineering, Faculty of Sciences, Engineering and Technology, The University of Adelaide, Adelaide, South Australia 5005, Australia
| | - Minh Trang Ho
- School of Chemical Engineering, Faculty of Sciences, Engineering and Technology, The University of Adelaide, Adelaide, South Australia 5005, Australia
| | - Yue Hui
- School of Chemical Engineering, Faculty of Sciences, Engineering and Technology, The University of Adelaide, Adelaide, South Australia 5005, Australia
| | - Chun-Xia Zhao
- School of Chemical Engineering, Faculty of Sciences, Engineering and Technology, The University of Adelaide, Adelaide, South Australia 5005, Australia
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Fu J, Cai W, Pan S, Chen L, Fang X, Shang Y, Xu J. Developments and Trends of Nanotechnology Application in Sepsis: A Comprehensive Review Based on Knowledge Visualization Analysis. ACS NANO 2024; 18:7711-7738. [PMID: 38427687 DOI: 10.1021/acsnano.3c10458] [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: 03/03/2024]
Abstract
Sepsis, a common life-threatening clinical condition, continues to have high morbidity and mortality rates, despite advancements in management. In response, significant research efforts have been directed toward developing effective strategies. Within this scope, nanotechnology has emerged as a particularly promising field, attracting significant interest for its potential to enhance disease diagnosis and treatment. While several reviews have highlighted the use of nanoparticles in sepsis, comprehensive studies that summarize and analyze the hotspots and research trends are lacking. To identify and further promote the development of nanotechnology in sepsis, a bibliometric analysis was conducted on the relevant literature, assessing research trends and hotspots in the application of nanomaterials for sepsis. Next, a comprehensive review of the subjectively recognized research hotspots in sepsis, including nanotechnology-enhanced biosensors and nanoscale imaging for sepsis diagnostics, and nanoplatforms designed for antimicrobial, immunomodulatory, and detoxification strategies in sepsis therapy, is elucidated, while the potential side effects and toxicity risks of these nanomaterials were discussed. Particular attention is given to biomimetic nanoparticles, which mimic the biological functions of source cells like erythrocytes, immune cells, and platelets to evade immune responses and effectively deliver therapeutic agents, demonstrating substantial translational potential. Finally, current challenges and future perspectives of nanotechnology applications in sepsis with a view to maximizing their great potential in the research of translational medicine are also discussed.
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Affiliation(s)
- Jiaji Fu
- Department of Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
- The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230001, China
- Wuhan Jinyintan Hospital, Tongji Medical College of Huazhong University of Science and Technology, Wuhan 430023, China
| | - Wentai Cai
- The First Clinical College, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Shangwen Pan
- Department of Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Lang Chen
- Department of Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Xiaowei Fang
- The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230001, China
| | - You Shang
- Department of Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
- Wuhan Jinyintan Hospital, Tongji Medical College of Huazhong University of Science and Technology, Wuhan 430023, China
| | - Jiqian Xu
- Department of Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
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Mehrdadi S. Lipid-Based Nanoparticles as Oral Drug Delivery Systems: Overcoming Poor Gastrointestinal Absorption and Enhancing Bioavailability of Peptide and Protein Therapeutics. Adv Pharm Bull 2024; 14:48-66. [PMID: 38585451 PMCID: PMC10997935 DOI: 10.34172/apb.2024.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 08/09/2023] [Accepted: 10/08/2023] [Indexed: 04/09/2024] Open
Abstract
Delivery and formulation of oral peptide and protein therapeutics have always been a challenge for the pharmaceutical industry. The oral bioavailability of peptide and protein therapeutics mainly relies on their gastrointestinal solubility and permeability which are affected by their poor membrane penetration, high molecular weight and proteolytic (chemical and enzymatic) degradation resulting in limited delivery and therapeutic efficacy. The present review article highlights the challenges and limitations of oral delivery of peptide and protein therapeutics focusing on the application, potential and importance of solid lipid nanoparticles (SLNs) and nanostructured lipid carriers (NLCs) as lipid-based drug delivery systems (LBDDSs) and their advantages and drawbacks. LBDDSs, due to their lipid-based matrix can encapsulate both lipophilic and hydrophilic drugs, and by reducing the first-pass effect and avoiding proteolytic degradation offer improved drug stability, dissolution rate, absorption, bioavailability and controlled drug release. Furthermore, their small size, high surface area and surface modification increase their mucosal adhesion, tissue-targeted distribution, physiological function and half-life. Properties such as simple preparation, high-scale manufacturing, biodegradability, biocompatibility, prolonged half-life, lower toxicity, lower adverse effects, lipid-based structure, higher drug encapsulation rate and various drug release profile compared to other similar carrier systems makes LBDDSs a promising drug delivery system (DDS). Nevertheless, undesired physicochemical features of peptide and protein drug development and discovery such as plasma stability, membrane permeability and circulation half-life remain a serious challenge which should be addressed in future.
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Affiliation(s)
- Soheil Mehrdadi
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padua, Italy
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Zhang J, Gu L, Jiang Y, Ma Y, Zhang Z, Shen S, Shen S, Peng Q, Xiao W. Artesunate-Nanoliposome-TPP, a Novel Drug Delivery System That Targets the Mitochondria, Attenuates Cisplatin-Induced Acute Kidney Injury by Suppressing Oxidative Stress and Inflammatory Effects. Int J Nanomedicine 2024; 19:1385-1408. [PMID: 38371457 PMCID: PMC10871145 DOI: 10.2147/ijn.s444076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 01/25/2024] [Indexed: 02/20/2024] Open
Abstract
Background Acute kidney injury (AKI) is a syndrome, posing a substantial healthcare burden. The pathological basis of AKI is associated with inflammation and oxidative stress which cause additional damage to mitochondria. Artesunate (ATS) is a derivative of artemisinin isolated from Artemisia annua L. that is an effective treatment for malaria and favored for the prevention and treatment of kidney diseases. However, there are still challenges related to its efficacy, including poor water solubility, limited oral bioavailability and short half-life. Liposome-based nanoparticles are used for drug delivery due to their ideal biocompatibility and their ability to improve the bioavailability of specific drugs and enhance drug efficacy. Methods In this study, a novel TPP-based natural ATS-nanoliposome, namely T-A-Ls, was applied for the treatment of AKI. ATS was encapsulated with or without triphenylphosphonium (TPP)-modified nanoliposomes. AKI was induced by cisplatin in C57BL/6J mice and a cisplatin-induced injury model was generated in HK-2 cells in vitro. Blood urea nitrogen (BUN), serum creatinine (Scr) measurements and section staining were utilized to assess renal protective effect of T-A-Ls. Inflammatory-related factors and proteins were quantified via Elisa, Immunofluorescence and Western Blot (WB). The anti-mitochondrial oxidative stress effect of T-A-Ls was determined by ROS, JC-1 and oxygen consumption rate (OCR) kits. Immunohistochemistry and WB were conducted to measure associated protein expressions. In vivo biodistribution and the concentration of T-A-Ls in kidney were also explored. Results T-A-Ls exhibited good oxidative resistance, preferential renal uptake, mitochondrial targeting, and it ameliorated kidney injury in cisplatin-induced AKI mice. Mitochondrial dysfunction, ATP production and respiratory capacity were improved in damaged HK-2 cells; ROS content decreased while mitochondrial membrane potential recovered. T-A-Ls exerted renal protection by inhibiting inflammation and reducing oxidative stress; these effects were mediated by a downregulation in the expression of RAGE and iNOS and an upregulation in both Nrf2 and HO-1. Conclusion T-A-Ls could improve the delivery of ATS to the kidney, offering a promising avenue to treat AKI.
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Affiliation(s)
- Jiaxing Zhang
- Institute of Digestive Disease, The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People’s Hospital, Qingyuan, Guang Dong, People’s Republic of China
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guang Dong, People’s Republic of China
| | - Liwei Gu
- Artemisinin Research Center and Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, People’s Republic of China
| | - Yumao Jiang
- Gannan Medical University, Ganzhou, Jiang Xi, People’s Republic of China
| | - Yun Ma
- Department of Pharmacy, Nanfang Hospital, Southern Medical University, Guangzhou, Guang Dong, People’s Republic of China
| | - Ziyue Zhang
- Artemisinin Research Center and Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, People’s Republic of China
| | - Shengnan Shen
- Artemisinin Research Center and Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, People’s Republic of China
| | - Shuo Shen
- Artemisinin Research Center and Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, People’s Republic of China
| | - Qing Peng
- Institute of Basic Medical Sciences, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, People’s Republic of China
| | - Wei Xiao
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guang Dong, People’s Republic of China
- Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education, Guangdong Pharmaceutical University, Guangzhou, People’s Republic of China
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12
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da Silva EF, Bastos LM, Fonseca BB, Ribas RM, Sommerfeld S, Pires HM, dos Santos FAL, Ribeiro LNDM. Lipid nanoparticles based on natural matrices with activity against multidrug resistant bacterial species. Front Cell Infect Microbiol 2024; 13:1328519. [PMID: 38264725 PMCID: PMC10803469 DOI: 10.3389/fcimb.2023.1328519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Accepted: 12/19/2023] [Indexed: 01/25/2024] Open
Abstract
Lately, the bacterial multidrug resistance has been a reason to public health concerning around world. The development of new pharmacology therapies against infections caused by multidrug-resistant bacteria is urgent. In this work, we developed 10 NLC formulations composed of essential oils (EO), vegetable butter and surfactant. The formulations were evaluated for long-term and thermal cycling stability studies in terms of (particle size, polydispersion index and Zeta potential). In vitro antimicrobial assays were performed using disk diffusion test and by the determination of the minimum inhibitory concentration (MIC) performed with fresh and a year-old NLC. The most promising system and its excipients were structurally characterized through experimental methodologies (FTIR-ATR, DSC and FE-SEM). Finally, this same formulation was studied through nanotoxicity assays on the chicken embryo model, analyzing different parameters, as viability and weight changes of embryos and annexes. All the developed formulations presented long-term physicochemical and thermal stability. The formulation based on cinnamon EO presented in vitro activity against strains of Acinetobacter baumannii, Klebsiella pneumoniae and Pseudomonas aeruginosa isolated from humans and in vivo biocompatibility. Considering these promising results, such system is able to be further tested on in vivo efficacy assays.
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Affiliation(s)
| | | | - Belchiolina Beatriz Fonseca
- Institute of Biotechnology, Federal University of Uberlandia, Uberlandia, Brazil
- School of Veterinary Medicine, Federal University of Uberlandia, Uberlandia, Brazil
| | | | - Simone Sommerfeld
- School of Veterinary Medicine, Federal University of Uberlandia, Uberlandia, Brazil
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13
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Wu J, Zhang X, Yuan H, Wei S, Gu X, Bu Y, He H, Shi Y, Ma M, Chen S, Wang X. Simply and Cheaply Prepared Liposomal Membrane for Nanocarriers: High Encapsulation Efficiency Based on Broad Regulation of Surface Charges and pH-Switchable Performance. Biomacromolecules 2023; 24:5687-5697. [PMID: 37973608 DOI: 10.1021/acs.biomac.3c00679] [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: 11/19/2023]
Abstract
The zeta potential of nanoparticles impacts their distribution and metabolism in the body as well as their interaction with medications of varying charges, hence altering therapeutic efficacy and safety. In this paper, the external charges of liposomes were regulated by utilizing a simple and economical method based on competition for protons of cationic chitosan (CS) and anion hyaluronic acid (HA). The charge regulation of a liposomal membrane is generally accomplished by adjusting the ratio of charged lipids within a liposome (e.g., cationic DOTAP or anionic DOPS), the stability of which was maintained by the coating materials of cationic chitosan (CS) or anion hyaluronic acid (HA). A series of nanoparticles could respond to pH-stimulation with adjustable surface charge. Moreover, the sizes of liposomes coated with CS and HA remain within a narrow range. In vitro cytotoxicity tests revealed that the nanocarriers were safe, and the nanoparticles containing antitumor medicines were efficient in tumor therapy. Considering liposomes with different external surface charges could be aimed at diverse therapy purposes. The strategies for regulating liposomal surface charges with high encapsulation rates and certain release cycles reported here could provide a versatile platform as carriers for the delivery of drugs and other macromolecules into human bodies.
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Affiliation(s)
- Jiangjie Wu
- College of Materials Science and Engineering, Zhejiang University of Technology, Huzhou 313000, People's Republic of China
- Key Laboratory of Plastic Modification and Processing Technology, Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China
| | - Xin Zhang
- College of Materials Science and Engineering, Zhejiang University of Technology, Huzhou 313000, People's Republic of China
- Key Laboratory of Plastic Modification and Processing Technology, Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China
| | - Huili Yuan
- College of Materials Science and Engineering, Zhejiang University of Technology, Huzhou 313000, People's Republic of China
- Key Laboratory of Plastic Modification and Processing Technology, Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China
| | - Sailong Wei
- College of Materials Science and Engineering, Zhejiang University of Technology, Huzhou 313000, People's Republic of China
- Key Laboratory of Plastic Modification and Processing Technology, Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China
| | - Xiaokai Gu
- College of Materials Science and Engineering, Zhejiang University of Technology, Huzhou 313000, People's Republic of China
- Key Laboratory of Plastic Modification and Processing Technology, Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China
| | - Yangfan Bu
- Hangzhou BOSOM New Materials Technology CO., Ltd. Hangzhou 311188, People's Republic of China
| | - Huiwen He
- College of Materials Science and Engineering, Zhejiang University of Technology, Huzhou 313000, People's Republic of China
- Key Laboratory of Plastic Modification and Processing Technology, Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China
| | - Yanqin Shi
- College of Materials Science and Engineering, Zhejiang University of Technology, Huzhou 313000, People's Republic of China
- Key Laboratory of Plastic Modification and Processing Technology, Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China
| | - Meng Ma
- College of Materials Science and Engineering, Zhejiang University of Technology, Huzhou 313000, People's Republic of China
- Key Laboratory of Plastic Modification and Processing Technology, Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China
| | - Si Chen
- College of Materials Science and Engineering, Zhejiang University of Technology, Huzhou 313000, People's Republic of China
- Key Laboratory of Plastic Modification and Processing Technology, Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China
| | - Xu Wang
- College of Materials Science and Engineering, Zhejiang University of Technology, Huzhou 313000, People's Republic of China
- Key Laboratory of Plastic Modification and Processing Technology, Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China
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14
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Pande S. Liposomes for drug delivery: review of vesicular composition, factors affecting drug release and drug loading in liposomes. ARTIFICIAL CELLS, NANOMEDICINE, AND BIOTECHNOLOGY 2023; 51:428-440. [PMID: 37594208 DOI: 10.1080/21691401.2023.2247036] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 08/03/2023] [Accepted: 08/07/2023] [Indexed: 08/19/2023]
Abstract
Liposomes are considered among the most versatile and advanced nanoparticle delivery systems used to target drugs to specific cells and tissues. Structurally, liposomes are sphere-like vesicles of phospholipid molecules that are surrounded by equal number of aqueous compartments. The spherical shell encapsulates an aqueous interior which contains substances such as peptides and proteins, hormones, enzymes, antibiotics, antifungal and anticancer agents. This structural property of liposomes makes it an important nano-carrier for drug delivery. Extrusion is one of the most frequently used technique for preparing monodisperse uni-lamellar liposomes as the technique is used to control vesicle size. The process involves passage of lipid suspension through polycarbonate membrane with a fixed pore size to produce vesicles with a diameter near the pore size of the membrane used in preparing them. An advantage of this technique is that there is no need to remove the organic solvent or detergent from the final preparation. This review focuses on composition of liposome formulation with special emphasis on factors affecting drug release and drug-loading.
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Affiliation(s)
- Shantanu Pande
- Drug Product Technical Services, Wave Life Sciences, Lexington, MA, USA
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15
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Silva DF, Melo ALP, Uchôa AFC, Pereira GMA, Alves AEF, Vasconcellos MC, Xavier-Júnior FH, Passos MF. Biomedical Approach of Nanotechnology and Biological Risks: A Mini-Review. Int J Mol Sci 2023; 24:16719. [PMID: 38069043 PMCID: PMC10706257 DOI: 10.3390/ijms242316719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 11/10/2023] [Accepted: 11/20/2023] [Indexed: 12/18/2023] Open
Abstract
Nanotechnology has played a prominent role in biomedical engineering, offering innovative approaches to numerous treatments. Notable advances have been observed in the development of medical devices, contributing to the advancement of modern medicine. This article briefly discusses key applications of nanotechnology in tissue engineering, controlled drug release systems, biosensors and monitoring, and imaging and diagnosis. The particular emphasis on this theme will result in a better understanding, selection, and technical approach to nanomaterials for biomedical purposes, including biological risks, security, and biocompatibility criteria.
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Affiliation(s)
- Debora F. Silva
- Technological Development Group in Biopolymers and Biomaterials from the Amazon, Graduate Program in Materials Science and Engineering, Federal University of Para, Ananindeua 67130-660, Brazil;
| | - Ailime L. P. Melo
- Technological Development Group in Biopolymers and Biomaterials from the Amazon, Graduate Program in Biotechnology, Federal University of Para, Belem 66075-110, Brazil
| | - Ana F. C. Uchôa
- Pharmaceutical Biotechnology Laboratory (BioTecFarm), Department of Pharmaceutical Sciences, Federal University of Paraíba, João Pessoa 58051-900, Brazil; (A.F.C.U.); (F.H.X.-J.)
| | - Graziela M. A. Pereira
- Pharmaceutical Biotechnology Laboratory (BioTecFarm), Department of Pharmaceutical Sciences, Federal University of Paraíba, João Pessoa 58051-900, Brazil; (A.F.C.U.); (F.H.X.-J.)
| | - Alisson E. F. Alves
- Post-Graduate Program in Bioactive Natural and Synthetic Products, Federal University of Paraíba, João Pessoa 58051-900, Brazil;
| | | | - Francisco H. Xavier-Júnior
- Pharmaceutical Biotechnology Laboratory (BioTecFarm), Department of Pharmaceutical Sciences, Federal University of Paraíba, João Pessoa 58051-900, Brazil; (A.F.C.U.); (F.H.X.-J.)
- Post-Graduate Program in Bioactive Natural and Synthetic Products, Federal University of Paraíba, João Pessoa 58051-900, Brazil;
| | - Marcele F. Passos
- Technological Development Group in Biopolymers and Biomaterials from the Amazon, Graduate Program in Materials Science and Engineering, Federal University of Para, Ananindeua 67130-660, Brazil;
- Technological Development Group in Biopolymers and Biomaterials from the Amazon, Graduate Program in Biotechnology, Federal University of Para, Belem 66075-110, Brazil
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16
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Li S, Wang Y, Wang S, Xie J, Fu T, Li S. In situ gelling hydrogel loaded with berberine liposome for the treatment of biofilm-infected wounds. Front Bioeng Biotechnol 2023; 11:1189010. [PMID: 37324421 PMCID: PMC10266532 DOI: 10.3389/fbioe.2023.1189010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Accepted: 05/22/2023] [Indexed: 06/17/2023] Open
Abstract
Background: In recent years, the impact of bacterial biofilms on traumatic wounds and the means to combat them have become a major research topic in the field of medicine. The eradication of biofilms formed by bacterial infections in wounds has always been a huge challenge. Herein, we developed a hydrogel with the active ingredient berberine hydrochloride liposomes to disrupt the biofilm and thereby accelerate the healing of infected wounds in mice. Methods: We determined the ability of berberine hydrochloride liposomes to eradicate the biofilm by means of studies such as crystalline violet staining, measuring the inhibition circle, and dilution coating plate method. Encouraged by the in vitro efficacy, we chose to coat the berberine hydrochloride liposomes on the Poloxamer range of in-situ thermosensitive hydrogels to allow fuller contact with the wound surface and sustained efficacy. Eventually, relevant pathological and immunological analyses were carried out on wound tissue from mice treated for 14 days. Results: The final results show that the number of wound tissue biofilms decreases abruptly after treatment and that the various inflammatory factors in them are significantly reduced within a short period. In the meantime, the number of collagen fibers in the treated wound tissue, as well as the proteins involved in healing in the wound tissue, showed significant differences compared to the model group. Conclusion: From the results, we found that berberine liposome gel can accelerate wound healing in Staphylococcus aureus infections by inhibiting the inflammatory response and promoting re-epithelialization as well as vascular regeneration. Our work exemplifies the efficacy of liposomal isolation of toxins. This innovative antimicrobial strategy opens up new perspectives for tackling drug resistance and fighting wound infections.
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Affiliation(s)
- Sipan Li
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yongan Wang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Siting Wang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Jianjun Xie
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Tingming Fu
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Shaoguang Li
- Microsurgery Department of Senior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, Beijing, China
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17
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Litvinova VR, Rudometov AP, Karpenko LI, Ilyichev AA. mRNA Vaccine Platform: mRNA Production and Delivery. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2023; 49:220-235. [PMID: 37252004 PMCID: PMC10197051 DOI: 10.1134/s1068162023020152] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 09/20/2022] [Accepted: 09/21/2022] [Indexed: 05/31/2023]
Abstract
Vaccination is the most efficient way to prevent infectious diseases. mRNA-based vaccines is a new approach to vaccine development, which have several very useful advantages over other types of vaccines. Since mRNA encodes only the target antigen there is no potential risk of infection as in the case with attenuated or inactivated pathogens. The mode of action of mRNA-vaccines implies that their genetic information is expressed only in the cytosol, leaving very little possibility of mRNA integration into the host's genome. mRNA-vaccines can induce specific cellular and humoral immune responses, but do not induce the antivector immune response. The mRNA-vaccine platform allows for easy target gene replacement without the need to change the production technology, which is important to address the time lag between the epidemic onset and vaccine release. The present review discusses the history of mRNA vaccines, mRNA vaccine production technology, ways to increase mRNA stability, modifications of the cap, poly(A)-tail, coding and noncoding parts of mRNA, target mRNA vaccine purification from byproducts, and delivery methods.
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Affiliation(s)
- V. R. Litvinova
- State Research Center of Virology and Biotechnology “Vector”, Federal Service for Surveillance on Consumer Rights Protection and Human Welfare, 630559 Koltsovo, Novosibirsk Region Russia
| | - A. P. Rudometov
- State Research Center of Virology and Biotechnology “Vector”, Federal Service for Surveillance on Consumer Rights Protection and Human Welfare, 630559 Koltsovo, Novosibirsk Region Russia
| | - L. I. Karpenko
- State Research Center of Virology and Biotechnology “Vector”, Federal Service for Surveillance on Consumer Rights Protection and Human Welfare, 630559 Koltsovo, Novosibirsk Region Russia
| | - A. A. Ilyichev
- State Research Center of Virology and Biotechnology “Vector”, Federal Service for Surveillance on Consumer Rights Protection and Human Welfare, 630559 Koltsovo, Novosibirsk Region Russia
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18
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Kim SJ, Puranik N, Yadav D, Jin JO, Lee PCW. Lipid Nanocarrier-Based Drug Delivery Systems: Therapeutic Advances in the Treatment of Lung Cancer. Int J Nanomedicine 2023; 18:2659-2676. [PMID: 37223276 PMCID: PMC10202211 DOI: 10.2147/ijn.s406415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 05/06/2023] [Indexed: 05/25/2023] Open
Abstract
Although various treatments are currently being developed, lung cancer still has a very high mortality rate. Moreover, while various strategies for the diagnosis and treatment of lung cancer are being used in clinical settings, in many cases, lung cancer does not respond to treatment and presents reducing survival rates. Cancer nanotechnology, also known as nanotechnology in cancer, is a relatively new topic of study that brings together scientists from a variety of fields, including chemistry, biology, engineering, and medicine. The use of lipid-based nanocarriers to aid drug distribution has already had a significant impact in several scientific fields. Lipid-based nanocarriers have been demonstrated to help stabilize therapeutic compounds, overcome barriers to cellular and tissue absorption, and improve in vivo drug delivery to specific target areas. For this reason, lipid-based nanocarriers are being actively researched and used for lung cancer treatment and vaccine development. This review discusses the improvements in drug delivery achieved with lipid-based nanocarriers, the obstacles that still exist with in vivo applications, and the current clinical and experimental applications of lipid-based nanocarriers in lung cancer treatment and management.
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Affiliation(s)
- So-Jung Kim
- Department of Microbiology, University of Ulsan College of Medicine, Seoul, 05505, South Korea
| | - Nidhi Puranik
- Department of Biochemistry & Genetics, Barkatullah University, Bhopal, Madhya Pradesh, 462026, India
| | - Dhananjay Yadav
- Department of Life Science, Yeungnam University, Gyeongsan, 38541, Korea
| | - Jun-O Jin
- Department of Microbiology, University of Ulsan College of Medicine, Seoul, 05505, South Korea
| | - Peter C W Lee
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, ASAN Medical Center, Seoul, 05505, South Korea
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19
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Jin H, Cui J, Zhan W. Enzymatic Janus Liposome Micromotors. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:4198-4206. [PMID: 36893357 DOI: 10.1021/acs.langmuir.3c00335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
A liposome-based micromotor system that utilizes regional enzymatic conversion and gas generation to achieve directional motion in water is presented. Constituted mainly of a low-melting lipid and a high-melting lipid together with cholesterol, these liposomes maintain stable Janus configuration at room temperature as a result of lipid liquid-liquid phase separation. Local placement of enzymes such as horseradish peroxidase is realized via affinity binding between avidin and biotin, the latter as a lipid conjugate sorted specifically into one domain of these Janus liposomes as a minor component. In the presence of the substrate, hydrogen peroxide, these enzyme-decorated Janus liposomes undergo directional motion, yielding velocities exceeding thermal diffusion by three folds in some cases. Experimental details on liposome size control, motor assembly, and substrate distribution are presented; effects of key experimental factors on liposome motion, such as substrate concentration and liposome Janus ratio, are also examined. This work thus provides a viable approach to building asymmetrical lipid-assembled, enzyme-attached colloids and, in addition, stresses the importance of asymmetry in achieving particle directional motion.
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Affiliation(s)
- Hui Jin
- Department of Chemistry and Biochemistry, Auburn University, Auburn, Alabama 36849, United States
| | - Jinyan Cui
- Department of Chemistry and Biochemistry, Auburn University, Auburn, Alabama 36849, United States
| | - Wei Zhan
- Department of Chemistry and Biochemistry, Auburn University, Auburn, Alabama 36849, United States
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20
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Stiepel RT, Duggan E, Batty CJ, Ainslie KM. Micro and nanotechnologies: The little formulations that could. Bioeng Transl Med 2023; 8:e10421. [PMID: 36925714 PMCID: PMC10013823 DOI: 10.1002/btm2.10421] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 05/22/2022] [Accepted: 09/18/2022] [Indexed: 11/05/2022] Open
Abstract
The first publication of micro- and nanotechnology in medicine was in 1798 with the use of the Cowpox virus by Edward Jenner as an attenuated vaccine against Smallpox. Since then, there has been an explosion of micro- and nanotechnologies for medical applications. The breadth of these micro- and nanotechnologies is discussed in this piece, presenting the date of their first report and their latest progression (e.g., clinical trials, FDA approval). This includes successes such as the recent severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) vaccines from Pfizer, Moderna, and Janssen (Johnson & Johnson) as well as the most popular nanoparticle therapy, liposomal Doxil. However, the enormity of the success of these platforms has not been without challenges. For example, we discuss why the production of Doxil was halted for several years, and the bankruptcy of BIND therapeutics, which relied on a nanoparticle drug carrier. Overall, the field of micro- and nanotechnology has advanced beyond these challenges and continues advancing new and novel platforms that have transformed therapies, vaccines, and imaging. In this review, a wide range of biomedical micro- and nanotechnology is discussed to serve as a primer to the field and provide an accessible summary of clinically relevant micro- and nanotechnology platforms.
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Affiliation(s)
- Rebeca T. Stiepel
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of PharmacyUniversity of North CarolinaChapel HillNorth CarolinaUSA
| | - Eliza Duggan
- North Carolina School of Science and MathematicsDurhamNorth CarolinaUSA
| | - Cole J. Batty
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of PharmacyUniversity of North CarolinaChapel HillNorth CarolinaUSA
| | - Kristy M. Ainslie
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of PharmacyUniversity of North CarolinaChapel HillNorth CarolinaUSA
- Joint Department of Biomedical EngineeringUniversity of North Carolina at Chapel Hill and North Carolina State UniversityChapel HillNorth CarolinaUSA
- Department of Microbiology and Immunology, UNC School of MedicineUniversity of North CarolinaChapel HillNorth CarolinaUSA
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21
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Huang H, Chen Y, Yin N, Li G, Ye S, Guo L, Feng M. Unsaturated Fatty Acid Liposomes Selectively Regulate Glutathione Peroxidase 4 to Exacerbate Lipid Peroxidation as an Adaptable Liposome Platform for Anti-Tumor Therapy. Mol Pharm 2023; 20:290-302. [PMID: 36368878 DOI: 10.1021/acs.molpharmaceut.2c00642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Regulating non-apoptotic cell death of cancer cells provides a promising strategy to overcome apoptosis resistance during cancer treatment. Lipids are essential components to exacerbate several non-apoptotic cell death pathways. In the present study, unsaturated fatty acid (UFA) liposomes prepared with linoleic acid, oleic acid, or α-linolenic acid have the potential to affect lipid metabolism. Notably, UFA liposomes markedly increased cellular reactive oxygen species (ROS) and down-regulated the expression of glutathione peroxidase 4 (GPX4) in tumor cells, resulting in lipid peroxidation, which in turn caused rapid membrane rupture and induced non-apoptotic cell death of tumor cells. Concomitantly, UFA liposomes induced ROS-mediated tumor-associated macrophages toward a tumoricidal phenotype to reverse the immunosuppressive tumor microenvironment. Consequently, UFA liposomes substantially inhibited tumor growth in a melanoma model by promoting lipid peroxidation, inducing non-apoptotic cell death of tumor cells, and increasing infiltration of anti-tumor immune cells at tumor sites. Therefore, UFA liposomes regulate GXP4 to exacerbate lipid peroxidation and provide a versatile liposome platform for enhancing anti-tumor therapy which could be readily extended to the delivery of anticancer agents.
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Affiliation(s)
- Huan Huang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Yuling Chen
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Na Yin
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Gaojie Li
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Shanshan Ye
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Ling Guo
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China.,School of Pharmaceutical Sciences, Hainan University, Haikou 570228, China
| | - Min Feng
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
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22
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Synthesis & Evaluation of Novel Mannosylated Neoglycolipids for Liposomal Delivery System Applications. Pharmaceutics 2022; 14:pharmaceutics14112300. [DOI: 10.3390/pharmaceutics14112300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 10/11/2022] [Accepted: 10/21/2022] [Indexed: 11/16/2022] Open
Abstract
Glycosylated NPs, including liposomes, are known to target various receptors involved in cellular carbohydrate transport, of which the mannoside binding receptors are attracting particular attention for their expression on various immune cells, cancers, and cells involved in maintaining central nervous system (CNS) integrity. As part of our interest in NP drug delivery, mannosylated glycoliposomal delivery systems formed from the self-assembly of amphiphilic neoglycolipids were developed, with a C12-alkyl mannopyranoside (ML-C12) being identified as a lead compoundcapable of entrapping, protecting, and improving the delivery of structurally diverse payloads. However, ML-C12 was not without limitations in both the synthesis of the glycolipids, and the physicochemical properties of the resulting glycoliposomes. Herein, the chemical syntheses of a novel series of mannosylated neoglycolipids are reported with the goal of further improving on the previous ML-C12 glyconanoparticles. The current work aimed to use a self-contingent strategy which overcomes previous synthetic limitations to produce neoglycolipids that have one exposed mannose residue, an aromatic scaffold, and two lipid tails with varied alkyl chains. The azido-ending carbohydrates and the carboxylic acid-ending lipid tails were ligated using a new one-pot modified Staudinger chemistry that differed advantageously to previous syntheses. The formation of stable neoglycoliposomes of controllable and ideal sizes (≈100–400 nm) was confirmed via dynamic light scattering (DLS) experiments and transmission electron microscopy (TEM). Beyond chemical advantages, the present study further aimed to establish potential improvements in the biological activity of the neoglycoliposomes. Concanavalin A (Con A) agglutination studies demonstrated efficient and stable cross-linking abilities dependent on the length of the linkers and lipid tails. The efficacy of the glycoliposomes in improving cytosolic uptake was investigated using Nile Red as probe in immune and cancer cell lines. Preliminary ex vivo safety assessments showed that the mannosylated glycoliposomes are hemocompatible, and non-immunogenic. Finally, using a model peptide therapeutic, the relative entrapment capacity and plasma stability of the optimal glycoliposome delivery system was evaluated and compared to the previous neoglycoliposomes. Overall, the new lead glycoliposome showed improved biological activity over ML-C12, in addition to having several chemical benefits including the lack of stereocenters, a longer linker allowing better sugar availability, and ease of synthesis using novel one-pot modified Staudinger chemistry.
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23
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Updates on Responsive Drug Delivery Based on Liposome Vehicles for Cancer Treatment. Pharmaceutics 2022; 14:pharmaceutics14102195. [PMID: 36297630 PMCID: PMC9608678 DOI: 10.3390/pharmaceutics14102195] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 10/08/2022] [Accepted: 10/13/2022] [Indexed: 11/20/2022] Open
Abstract
Liposomes are well-known nanoparticles with a non-toxic nature and the ability to incorporate both hydrophilic and hydrophobic drugs simultaneously. As modern drug delivery formulations are produced by emerging technologies, numerous advantages of liposomal drug delivery systems over conventional liposomes or free drug treatment of cancer have been reported. Recently, liposome nanocarriers have exhibited high drug loading capacity, drug protection, improved bioavailability, enhanced intercellular delivery, and better therapeutic effect because of resounding success in targeting delivery. The site targeting of smart responsive liposomes, achieved through changes in their physicochemical and morphological properties, allows for the controlled release of active compounds under certain endogenous or exogenous stimuli. In that way, the multifunctional and stimuli-responsive nanocarriers for the drug delivery of cancer therapeutics enhance the efficacy of treatment prevention and fighting over metastases, while limiting the systemic side effects on healthy tissues and organs. Since liposomes constitute promising nanocarriers for site-targeted and controlled anticancer drug release, this review focuses on the recent progress of smart liposome achievements for anticancer drug delivery applications.
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Osouli-Bostanabad K, Puliga S, Serrano DR, Bucchi A, Halbert G, Lalatsa A. Microfluidic Manufacture of Lipid-Based Nanomedicines. Pharmaceutics 2022; 14:pharmaceutics14091940. [PMID: 36145688 PMCID: PMC9506151 DOI: 10.3390/pharmaceutics14091940] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 09/02/2022] [Accepted: 09/02/2022] [Indexed: 11/16/2022] Open
Abstract
Nanoparticulate technologies have revolutionized drug delivery allowing for passive and active targeting, altered biodistribution, controlled drug release (temporospatial or triggered), enhanced stability, improved solubilization capacity, and a reduction in dose and adverse effects. However, their manufacture remains immature, and challenges exist on an industrial scale due to high batch-to-batch variability hindering their clinical translation. Lipid-based nanomedicines remain the most widely approved nanomedicines, and their current manufacturing methods remain discontinuous and face several problems such as high batch-to-batch variability affecting the critical quality attributes (CQAs) of the product, laborious multistep processes, need for an expert workforce, and not being easily amenable to industrial scale-up involving typically a complex process control. Several techniques have emerged in recent years for nanomedicine manufacture, but a paradigm shift occurred when microfluidic strategies able to mix fluids in channels with dimensions of tens of micrometers and small volumes of liquid reagents in a highly controlled manner to form nanoparticles with tunable and reproducible structure were employed. In this review, we summarize the recent advancements in the manufacturing of lipid-based nanomedicines using microfluidics with particular emphasis on the parameters that govern the control of CQAs of final nanomedicines. The impact of microfluidic environments on formation dynamics of nanomaterials, and the application of microdevices as platforms for nanomaterial screening are also discussed.
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Affiliation(s)
- Karim Osouli-Bostanabad
- Biomaterials, Bio-Engineering and Nanomedicine (BioN) Lab, Institute of Biomedical and Biomolecular Sciences, School of Pharmacy and Biomedical Sciences, University of Portsmouth, White Swan Road, Portsmouth PO1 2DT, UK
- School of Pharmacy and Biomedical Sciences, Robertson Wing, University of Strathclyde, 161, Cathedral Street, Glasgow G4 0RE, UK
| | - Sara Puliga
- Biomaterials, Bio-Engineering and Nanomedicine (BioN) Lab, Institute of Biomedical and Biomolecular Sciences, School of Pharmacy and Biomedical Sciences, University of Portsmouth, White Swan Road, Portsmouth PO1 2DT, UK
| | - Dolores R. Serrano
- Pharmaceutics and Food Technology Department, School of Pharmacy, Universidad Complutense de Madrid, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain
- Facultad de Farmacia, Instituto Universitario de Farmacia Industrial, Universidad Complutense de Madrid, 28040 Madrid, Spain
- Correspondence: (D.R.S.); (A.L.); Tel.: +44-141-548-2675 (A.L.)
| | - Andrea Bucchi
- School of Mechanical and Design Engineering, Faculty of Technology, University of Portsmouth, Portsmouth PO1 3DJ, UK
| | - Gavin Halbert
- CRUK Formulation Unit, School of Pharmacy and Biomedical Sciences, Robertson Wing, University of Strathclyde, 161, Cathedral Street, Glasgow G4 0RE, UK
| | - Aikaterini Lalatsa
- Biomaterials, Bio-Engineering and Nanomedicine (BioN) Lab, Institute of Biomedical and Biomolecular Sciences, School of Pharmacy and Biomedical Sciences, University of Portsmouth, White Swan Road, Portsmouth PO1 2DT, UK
- School of Pharmacy and Biomedical Sciences, Robertson Wing, University of Strathclyde, 161, Cathedral Street, Glasgow G4 0RE, UK
- CRUK Formulation Unit, School of Pharmacy and Biomedical Sciences, Robertson Wing, University of Strathclyde, 161, Cathedral Street, Glasgow G4 0RE, UK
- Correspondence: (D.R.S.); (A.L.); Tel.: +44-141-548-2675 (A.L.)
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Li J, Gao Y, Liu S, Cai J, Zhang Q, Li K, Liu Z, Shi M, Wang J, Cui H. Aptamer-functionalized Quercetin Thermosensitive Liposomes for Targeting Drug Delivery and Antitumor Therapy. Biomed Mater 2022; 17. [PMID: 36001994 DOI: 10.1088/1748-605x/ac8c75] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 08/24/2022] [Indexed: 11/12/2022]
Abstract
Chemo-thermotherapy, as a promising cancer combination therapy strategy, has attracted widespread attention. In this study, a novel aptamer functionalized thermosensitive liposome encapsulating hydrophobic drug quercetin was fabricated as an efficient drug delivery system. This aptamer-functionalized quercetin thermosensitive liposomes (AQTSL) combined the merits of high-loading yield, sustained drug release, long-term circulation in the body of PEGylated liposomes, passive targeting provided by 100-200 nm nanoparticles, active targeting and improved internalization effects offered by AS1411 aptamer, and temperature-responsive of quercetin release. In addition, AQTSL tail vein injection combined with 42℃ water bath heating on tumor site (AQTSL+42℃)treatment inhibited the tumor growth significantly compared with the normal saline administration (p<0.01), and the inhibition rate reached 75%. Furthermore, AQTSL+42℃ treatment also slowed down the tumor growth significantly compared with QTSL combined with 42℃ administration (p<0.05), confirming that AS1411 decoration on QTSL increased the active targeting and internalization effects of the drug delivery system, and AS1411 aptamer itself might also contribute to the tumor inhibition. These data indicate that AQTSL is a potential carrier candidate for different hydrophobic drugs and tumor targeting delivery, and this kind of targeted drug delivery system combined with temperature responsive drug release mode is expected to achieve an ideal tumor therapy effect.
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Affiliation(s)
- Jian Li
- Yanshan University, No.438,Hebei Street, Qinhuangdao, Hebei Province, 066000, CHINA
| | - Yanting Gao
- Yanshan University, No.438, Qinhuangdao, Hebei Province, 066000, CHINA
| | - Shihe Liu
- Yanshan University, No.438,Hebei Street, Qinhuangdao, Hebei Province, 066000, CHINA
| | - Jiahui Cai
- Yanshan University, No.438, Hebei Street, Qinhuangdao, Hebei Province, 066000, CHINA
| | - Qing Zhang
- Yanshan University, No.438, Hebei Street, Qinhuangdao, Hebei Province, 066000, CHINA
| | - Kun Li
- Yanshan University, No. 438, Hebei Street, Qinhuangdao, Hebei Province, 066000, CHINA
| | - Zhiwei Liu
- Yanshan University, No. 438, West Section of Hebei Street, Qinhuangdao, Hebei, 066004, CHINA
| | - Ming Shi
- Yanshan University, No.438, Hebei Street, Qinhuangdao, Hebei Province, 066004, CHINA
| | - Jidong Wang
- Yanshan University, No. 438, Hebei Street, Qinhuangdao, 066000, CHINA
| | - Hongxia Cui
- Yanshan University, No. 438, Hebei Street, Qinhuangdao, Hebei Province, 066004, CHINA
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Zhang Z, Yao S, Hu Y, Zhao X, Lee RJ. Application of lipid-based nanoparticles in cancer immunotherapy. Front Immunol 2022; 13:967505. [PMID: 36003395 PMCID: PMC9393708 DOI: 10.3389/fimmu.2022.967505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 07/19/2022] [Indexed: 11/13/2022] Open
Abstract
Immunotherapy is revolutionizing the clinical management of patients with different cancer types by sensitizing autologous or allogenic immune cells to the tumor microenvironment which eventually leads to tumor cell lysis without rapidly killing normal cells. Although immunotherapy has been widely demonstrated to be superior to chemotherapies, only a few populations of patients with specific cancer types respond to such treatment due to the failure of systemic immune activation. In addition, severe immune-related adverse events are rapidly observed when patients with very few responses are given higher doses of such therapies. Recent advances of lipid-based nanoparticles (NPs) development have made it possible to deliver not only small molecules but also mRNAs to achieve systemic anticancer immunity through cytotoxic immune cell activation, checkpoint blockade, and chimeric antigen receptor cell therapies, etc. This review summarized recent development and applications of LNPs in anticancer immunotherapy. The diversity of lipid-based NPs would encapsulate payloads with different structures and molecular weights to achieve optimal antitumor immunity through multiple mechanisms of action. The discussion about the components of lipid-based NPs and their immunologic payloads in this review hopefully shed more light on the future direction of anticancer immunotherapy.
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Affiliation(s)
- Zhongkun Zhang
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, Columbus, OH, United States
| | - Siyu Yao
- Department of Food Science and Technology, The Ohio State University, Columbus, OH, United States
| | - Yingwen Hu
- The Whiteoak Group, Inc., Rockville, MD, United States
| | - Xiaobin Zhao
- The Whiteoak Group, Inc., Rockville, MD, United States
| | - Robert J. Lee
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, Columbus, OH, United States
- *Correspondence: Robert J. Lee,
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27
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Moore TL, Cook AB, Bellotti E, Palomba R, Manghnani P, Spanò R, Brahmachari S, Di Francesco M, Palange AL, Di Mascolo D, Decuzzi P. Shape-specific microfabricated particles for biomedical applications: a review. Drug Deliv Transl Res 2022; 12:2019-2037. [PMID: 35284984 PMCID: PMC9242933 DOI: 10.1007/s13346-022-01143-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/21/2022] [Indexed: 12/13/2022]
Abstract
The storied history of controlled the release systems has evolved over time; from degradable drug-loaded sutures to monolithic zero-ordered release devices and nano-sized drug delivery formulations. Scientists have tuned the physico-chemical properties of these drug carriers to optimize their performance in biomedical/pharmaceutical applications. In particular, particle drug delivery systems at the micron size regime have been used since the 1980s. Recent advances in micro and nanofabrication techniques have enabled precise control of particle size and geometry-here we review the utility of microplates and discoidal polymeric particles for a range of pharmaceutical applications. Microplates are defined as micrometer scale polymeric local depot devices in cuboid form, while discoidal polymeric nanoconstructs are disk-shaped polymeric particles having a cross-sectional diameter in the micrometer range and a thickness in the hundreds of nanometer range. These versatile particles can be used to treat several pathologies such as cancer, inflammatory diseases and vascular diseases, by leveraging their size, shape, physical properties (e.g., stiffness), and component materials, to tune their functionality. This review highlights design and fabrication strategies for these particles, discusses their applications, and elaborates on emerging trends for their use in formulations.
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Affiliation(s)
- Thomas L Moore
- Laboratory of Nanotechnology for Precision Medicine, Istituto Italiano Di Tecnologia, Via Morego, 30, 16163, Genoa, Italy.
| | - Alexander B Cook
- Laboratory of Nanotechnology for Precision Medicine, Istituto Italiano Di Tecnologia, Via Morego, 30, 16163, Genoa, Italy
| | - Elena Bellotti
- Laboratory of Nanotechnology for Precision Medicine, Istituto Italiano Di Tecnologia, Via Morego, 30, 16163, Genoa, Italy
| | - Roberto Palomba
- Laboratory of Nanotechnology for Precision Medicine, Istituto Italiano Di Tecnologia, Via Morego, 30, 16163, Genoa, Italy
| | - Purnima Manghnani
- Laboratory of Nanotechnology for Precision Medicine, Istituto Italiano Di Tecnologia, Via Morego, 30, 16163, Genoa, Italy
| | - Raffaele Spanò
- Laboratory of Nanotechnology for Precision Medicine, Istituto Italiano Di Tecnologia, Via Morego, 30, 16163, Genoa, Italy
| | - Sayanti Brahmachari
- Laboratory of Nanotechnology for Precision Medicine, Istituto Italiano Di Tecnologia, Via Morego, 30, 16163, Genoa, Italy
| | - Martina Di Francesco
- Laboratory of Nanotechnology for Precision Medicine, Istituto Italiano Di Tecnologia, Via Morego, 30, 16163, Genoa, Italy
| | - Anna Lisa Palange
- Laboratory of Nanotechnology for Precision Medicine, Istituto Italiano Di Tecnologia, Via Morego, 30, 16163, Genoa, Italy
| | - Daniele Di Mascolo
- Laboratory of Nanotechnology for Precision Medicine, Istituto Italiano Di Tecnologia, Via Morego, 30, 16163, Genoa, Italy
| | - Paolo Decuzzi
- Laboratory of Nanotechnology for Precision Medicine, Istituto Italiano Di Tecnologia, Via Morego, 30, 16163, Genoa, Italy
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El Sabeh M, Vincent KL, Afrin S, Motamedi M, Saada J, Yang J, Ozpolat B, Kilic GS, Borahay MA. Simvastatin-loaded liposome nanoparticles treatment for uterine leiomyoma in a patient-derived xenograft mouse model: a pilot study. J OBSTET GYNAECOL 2022; 42:2139-2143. [PMID: 35166183 PMCID: PMC9741872 DOI: 10.1080/01443615.2022.2033964] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Uterine leiomyomas are complex tumours with limited medical treatment options. Simvastatin is used to treat hypercholesterolaemia and has shown promising effects as a treatment option for leiomyomas. Previously, our group demonstrated a promising effect of simvastatin treatment in a patient-derived xenograft mouse model. Here, we tested the efficacy of simvastatin liposomal nanoparticles (NPs). After bilateral leiomyoma xenograft implantation, mice (N = 12) were divided into three treatment arms: control, simvastatin and simvastatin-loaded liposome NPs (simvastatin-NPs). Treatment with simvastatin significantly reduced tumour volume and inhibited the Ki67 expression when compared to the control group. There was a trend of reduced tumour volume and Ki67 expression after treatment with simvastatin-NP; however, the results were not significant. Due to low bioavailability and short half-life of simvastatin, liposomal NPs have the potential to enhance drug delivery, however, in this study NP did not provide improvement over simvastatin, but did demonstrate their potential for the delivery of simvastatin.Impact statementWhat is already known on this subject? Simvastatin treatment in a patient-derived xenograft mouse model reduced tumour growth and decreased proliferation.What do the results of this study add? Treatment with simvastatin significantly reduced tumour volume and inhibited the Ki67 expression when compared to the control group. There was a trend of reduced tumour volume and Ki67 expression after treatment with simvastatin-NP, however, it did not improve the efficacy of simvastatin at reducing tumour growth and proliferation.What are the implications of these findings for clinical practice and/or further research? More studies are needed to optimise the formulation of NPs to further enhance the sustainable delivery of simvastatin.
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Affiliation(s)
- Malak El Sabeh
- Department of Gynecology & Obstetrics, Johns Hopkins University, Baltimore, MD
| | - Kathleen L. Vincent
- Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, TX
| | - Sadia Afrin
- Department of Gynecology & Obstetrics, Johns Hopkins University, Baltimore, MD
| | - Massoud Motamedi
- Department of Ophthalmology and Visual Sciences, University of Texas Medical Branch, Galveston, TX
| | - Jamal Saada
- Department of Anesthesiology, University of Texas Medical Branch, Galveston, TX
| | - Jinping Yang
- Department of Ophthalmology and Visual Sciences, University of Texas Medical Branch, Galveston, TX
| | - Bulent Ozpolat
- Department of Experimental Therapeutics, University of Texas MD Anderson Cancer Center, Houston, TX
| | - Gokhan S. Kilic
- Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, TX
| | - Mostafa A. Borahay
- Department of Gynecology & Obstetrics, Johns Hopkins University, Baltimore, MD,Correspondence: Mostafa A. Borahay, MD, PhD; ORCID iD: 0000-0002-0554-132X; 4940 Eastern Ave, Baltimore, MD 21224-2780, USA; phone: (410) 550-0337;
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29
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Liu C, Zhao Z, Gao R, Zhang X, Sun Y, Wu J, Liu J, Chen C. Matrix Metalloproteinase-2-Responsive Surface-Changeable Liposomes Decorated by Multifunctional Peptides to Overcome the Drug Resistance of Triple-Negative Breast Cancer through Enhanced Targeting and Penetrability. ACS Biomater Sci Eng 2022; 8:2979-2994. [PMID: 35666956 DOI: 10.1021/acsbiomaterials.2c00295] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Although nanomedicine has demonstrated great potential for combating drug resistance, its suboptimal recognition of malignant cells and limited transport across multiple biological obstacles seriously impede the efficacious accumulation of drugs in tumor lesions, which strikingly limits its application in the clinical therapy of drug-resistant triple-negative breast cancer (TNBC). Hence, a surface-variable drug delivery vehicle based on the modification of liposomes with a multifunctional peptide (named EMC) was fabricated in this work and used for encapsulating doxorubicin and the p-glycoprotein inhibitor tariquidar. This EMC peptide contains an EGFR-targeting bullet that was screened from a "one-bead one-compound" combinatorial library, an MMP-2-cleaved substrate, and a cell-penetrating segment. The EGFR-targeting sequence has been validated to possess excellent specificity and affinity for EGFR at both the cellular and molecular levels and could be unloaded from the EMC peptide by MMP-2 in the tumor microenvironment. This doxorubicin/tariquidar-coloaded and peptide-functionalized liposome (DT-pLip) exhibited superior efficacy in tumor growth inhibition to drug-resistant TNBC both in vitro and in vivo through EGFR targeting, osmotic enhancement in response to MMP-2, controllable release, and inhibited efflux. Consequently, our systematic studies indicated the potential of this liposome-based nanoplatform in the therapy of drug-resistant TNBC through targeting effects and tumor microenvironment-triggered penetration enhancement.
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Affiliation(s)
- Changliang Liu
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Center of Translational Medicine of Anesthesiology, National clinical research center for geriatrics, Translational Neuroscience center, Department of Anesthesiology, The Research Units of West China, Chinese Academy of Medical Science, West China Hospital of Sichuan University, Chengdu 610041, Sichuan, China
| | - Zijian Zhao
- BOE Technology Group Co., Ltd., Beijing 100176, China
| | - Rui Gao
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Center of Translational Medicine of Anesthesiology, National clinical research center for geriatrics, Translational Neuroscience center, Department of Anesthesiology, The Research Units of West China, Chinese Academy of Medical Science, West China Hospital of Sichuan University, Chengdu 610041, Sichuan, China
| | - Xueying Zhang
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Center of Translational Medicine of Anesthesiology, National clinical research center for geriatrics, Translational Neuroscience center, Department of Anesthesiology, The Research Units of West China, Chinese Academy of Medical Science, West China Hospital of Sichuan University, Chengdu 610041, Sichuan, China
| | - Yalan Sun
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Center of Translational Medicine of Anesthesiology, National clinical research center for geriatrics, Translational Neuroscience center, Department of Anesthesiology, The Research Units of West China, Chinese Academy of Medical Science, West China Hospital of Sichuan University, Chengdu 610041, Sichuan, China
| | - Jiahui Wu
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Center of Translational Medicine of Anesthesiology, National clinical research center for geriatrics, Translational Neuroscience center, Department of Anesthesiology, The Research Units of West China, Chinese Academy of Medical Science, West China Hospital of Sichuan University, Chengdu 610041, Sichuan, China
| | - Jin Liu
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Center of Translational Medicine of Anesthesiology, National clinical research center for geriatrics, Translational Neuroscience center, Department of Anesthesiology, The Research Units of West China, Chinese Academy of Medical Science, West China Hospital of Sichuan University, Chengdu 610041, Sichuan, China
| | - Chan Chen
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Center of Translational Medicine of Anesthesiology, National clinical research center for geriatrics, Translational Neuroscience center, Department of Anesthesiology, The Research Units of West China, Chinese Academy of Medical Science, West China Hospital of Sichuan University, Chengdu 610041, Sichuan, China
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30
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Zhang N, Xin X, Feng N, Wu D, Zhang J, Yu T, Jiang Q, Gao M, Yang H, Zhao S, Tian Q, Zhang Z. Combining Fruquintinib and Doxorubicin in Size-Converted Nano-Drug Carriers for Tumor Therapy. ACS Biomater Sci Eng 2022; 8:1907-1920. [PMID: 35482571 DOI: 10.1021/acsbiomaterials.1c01606] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Single-modality tumor therapy confronts many challenges, such as incomplete tumor ablation, tumor metastasis, and limited tumor tissue penetration. Combination therapy simultaneously achieves deep drug delivery to fully exert synergistic effects and has received increasing attention. Herein, based on the excellent efficacy of anti-angiogenesis therapy combined with chemotherapy and the specific size of the poly-amidoamine dendrimer (PAMAM), we developed a pH-triggered size-converted nano-drug delivery system to co-deliver fruquintinib (FRU) and doxorubicin (DOX). This study used cyclic Arg-Gly-Asp (cRGD) as the target, pH-responsive liposomes (PRLs), and PAMAM as the drug carrier. The FRU and DOX-loaded small-particle-size complex polyamide-amine-doxorubicin (PD) was encapsulated into PRLs with the target to construct a size-converted nano-drug delivery system, PRL-PD/FRU-cRGD. This nanoparticle (∼120 nm) actively targeted tumor tissues and used the acidic microenvironment outside tumor cells to release FRU and small-particle-size complex PD (∼15 nm), enabling the conversion of large-size nanoparticles to small-size nanoparticles and resulting in efficient tumor accumulation. In addition, the released PD could realize the deep delivery of DOX, showing efficient deep tumor penetration and further enhancing the tumor-suppressing effect. The results of in vivo and in vitro experiments showed that PRL-PD/FRU-cRGD exhibited the excellent synergistic effects of anti-angiogenesis therapy combined with chemotherapy and effectively inhibited tumor cell proliferation and metastasis, thereby achieving efficient tumor therapy. Thus, PRL-PD/FRU-cRGD shows great potential for combined tumor therapy.
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Affiliation(s)
- Nan Zhang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Xiangying Xin
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Nannan Feng
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Deqiao Wu
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Junwei Zhang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Tong Yu
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Qianqian Jiang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Ming Gao
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Hui Yang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Siyuan Zhao
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Qingfeng Tian
- College of Public Health, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Zhenzhong Zhang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China
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31
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Kim CS, Nevozhay D, Aburto RR, Pehere A, Pang L, Dillard R, Wang Z, Smith C, Mathieu KB, Zhang M, Hazle JD, Bast RC, Sokolov K. One-Pot, One-Step Synthesis of Drug-Loaded Magnetic Multimicelle Aggregates. Bioconjug Chem 2022; 33:969-981. [PMID: 35522527 PMCID: PMC9121875 DOI: 10.1021/acs.bioconjchem.2c00167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Lipid-based formulations provide a nanotechnology platform that is widely used in a variety of biomedical applications because it has several advantageous properties including biocompatibility, reduced toxicity, relative ease of surface modifications, and the possibility for efficient loading of drugs, biologics, and nanoparticles. A combination of lipid-based formulations with magnetic nanoparticles such as iron oxide was shown to be highly advantageous in a growing number of applications including magnet-mediated drug delivery and image-guided therapy. Currently, lipid-based formulations are prepared by multistep protocols. Simplification of the current multistep procedures can lead to a number of important technological advantages including significantly decreased processing time, higher reaction yield, better product reproducibility, and improved quality. Here, we introduce a one-pot, single-step synthesis of drug-loaded magnetic multimicelle aggregates (MaMAs), which is based on controlled flow infusion of an iron oxide nanoparticle/lipid mixture into an aqueous drug solution under ultrasonication. Furthermore, we prepared molecular-targeted MaMAs by directional antibody conjugation through an Fc moiety using Cu-free click chemistry. Fluorescence imaging and quantification confirmed that antibody-conjugated MaMAs showed high cell-specific targeting that was enhanced by magnetic delivery.
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Affiliation(s)
- Chang Soo Kim
- Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, United States
| | - Dmitry Nevozhay
- Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, United States
| | - Rebeca Romero Aburto
- Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, United States
| | - Ashok Pehere
- Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, United States
| | - Lan Pang
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, United States
| | - Rebecca Dillard
- Center for Molecular Microscopy, Frederick National Laboratory for Cancer Research, Center for Cancer Research, National Cancer Institute, NIH, Frederick, Maryland 21701, United States
| | - Ziqiu Wang
- Center for Molecular Microscopy, Frederick National Laboratory for Cancer Research, Center for Cancer Research, National Cancer Institute, NIH, Frederick, Maryland 21701, United States
| | - Clayton Smith
- Center for Molecular Microscopy, Frederick National Laboratory for Cancer Research, Center for Cancer Research, National Cancer Institute, NIH, Frederick, Maryland 21701, United States
| | - Kelsey Boitnott Mathieu
- Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, United States
| | - Marie Zhang
- Imagion Biosystems, Inc., San Diego, California 92121, United States
| | - John D Hazle
- Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, United States
| | - Robert C Bast
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, United States
| | - Konstantin Sokolov
- Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, United States.,Department of Bioengineering, Rice University, Houston, Texas 77005, United States.,Department of Biomedical Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
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32
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Lipid Nanoparticles as Platforms for Theranostic Purposes: Recent Advances in the Field. JOURNAL OF NANOTHERANOSTICS 2022. [DOI: 10.3390/jnt3020006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Lipid nanoparticles (LNPs) are the first approved nanomedicines and the most well-studied class of nanocarriers for drug delivery. Currently, they are in the frontline of the pandemic fight as vaccine formulations and therapeutic products. However, even though they are so well-studied, new materials and new modifications arise every day that can improve their properties. Their dynamic nature, especially the liquid crystal state of membranes, is under constant investigation and it is that which many times leads to their complex biological behavior. In addition, newly discovered biomaterials and nanoparticles that possess promising effects and functionalities, but also toxicity and/or poor pharmacokinetics, can be combined with LNPs to ameliorate their properties. As a result, many promising theranostic applications have emerged during the past decade, proving the huge potential of LNPs in the field. In the present review, we summarize some of the most prominent classes of LNPs for nanotheranostic purposes, and present state-of-the-art research examples, with emphasis on the utilized biomaterials and the functionality that they confer to the resultant supramolecular nanosystems, in relation to diagnostic and therapeutic modalities. Although there has been unprecedented progress in theranostics, the translational gap between the bench and the clinic is undeniable. This issue must be addressed by experts in a coordinated way, in order to fully exploit these nanomedicines for the benefit of the society.
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Buchke S, Sharma M, Bora A, Relekar M, Bhanu P, Kumar J. Mitochondria-Targeted, Nanoparticle-Based Drug-Delivery Systems: Therapeutics for Mitochondrial Disorders. Life (Basel) 2022; 12:657. [PMID: 35629325 PMCID: PMC9144057 DOI: 10.3390/life12050657] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Revised: 04/21/2022] [Accepted: 04/26/2022] [Indexed: 02/07/2023] Open
Abstract
Apart from ATP generation, mitochondria are involved in a wide range of functions, making them one of the most prominent organelles of the human cell. Mitochondrial dysfunction is involved in the pathophysiology of several diseases, such as cancer, neurodegenerative diseases, cardiovascular diseases, and metabolic disorders. This makes it a target for a variety of therapeutics for the diagnosis and treatment of these diseases. The use of nanoparticles to target mitochondria has significant importance in modern times because they provide promising ways to deliver drug payloads to the mitochondria by overcoming challenges, such as low solubility and poor bioavailability, and also resolve the issues of the poor biodistribution of drugs and pharmacokinetics with increased specificity. This review assesses nanoparticle-based drug-delivery systems, such as liposomes, DQAsome, MITO-Porters, micelles, polymeric and metal nanocarriers, as well as quantum dots, as mitochondria-targeted strategies and discusses them as a treatment for mitochondrial disorders.
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Affiliation(s)
- Sakshi Buchke
- Department of Bioscience and Biotechnology, Banasthali Vidyapith, Vanasthali Road, Dist, Tonk 304022, India; (S.B.); (M.S.)
| | - Muskan Sharma
- Department of Bioscience and Biotechnology, Banasthali Vidyapith, Vanasthali Road, Dist, Tonk 304022, India; (S.B.); (M.S.)
| | - Anusuiya Bora
- School of BioSciences and Technology, Vellore Institute of Technology (VIT), Vellore Campus, Tiruvalam Road, Katpadi, Vellore 632014, India;
| | - Maitrali Relekar
- KEM Hospital Research Centre, KEM Hospital, Rasta Peth, Pune 411011, India;
| | - Piyush Bhanu
- Xome Life Sciences, Bangalore Bioinnovation Centre (BBC), Helix Biotech Park, Electronics City Phase 1, Bengaluru 560100, India;
| | - Jitendra Kumar
- Bangalore Bioinnovation Centre (BBC), Helix Biotech Park, Electronics City Phase 1, Bengaluru 560100, India
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Journey to the Market: The Evolution of Biodegradable Drug Delivery Systems. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12020935] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Biodegradable polymers have been used as carriers in drug delivery systems for more than four decades. Early work used crude natural materials for particle fabrication, whereas more recent work has utilized synthetic polymers. Applications include the macroscale, the microscale, and the nanoscale. Since pioneering work in the 1960’s, an array of products that use biodegradable polymers to encapsulate the desired drug payload have been approved for human use by international regulatory agencies. The commercial success of these products has led to further research in the field aimed at bringing forward new formulation types for improved delivery of various small molecule and biologic drugs. Here, we review recent advances in the development of these materials and we provide insight on their drug delivery application. We also address payload encapsulation and drug release mechanisms from biodegradable formulations and their application in approved therapeutic products.
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Borgoyakova MB, Karpenko LI, Rudometov AP, Shanshin DV, Isaeva AA, Nesmeyanova VS, Volkova NV, Belenkaya SV, Murashkin DE, Shcherbakov DN, Volosnikova EA, Starostina EV, Orlova LA, Danilchenko NV, Zaikovskaya AV, Pyankov OV, Ilyichev AA. Immunogenic Properties of the DNA Construct Encoding the Receptor-Binding Domain of the SARS-CoV-2 Spike Protein. Mol Biol 2021; 55:889-898. [PMID: 34955558 PMCID: PMC8682036 DOI: 10.1134/s0026893321050046] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Revised: 04/19/2021] [Accepted: 04/20/2021] [Indexed: 11/22/2022]
Abstract
The development of preventive vaccines became the first order task in the COVID-19 pandemic caused by SARS-CoV-2. This paper reports the construction of the pVAX-RBD plasmid containing the Receptor-Binding Domain (RBD) of the S protein and a unique signal sequence 176 which promotes target protein secretion into the extracellular space thereby increasing the efficiency of humoral immune response activation. A polyglucine-spermidine conjugate (PGS) was used to deliver pVAX-RBD into the cells. The comparative immunogenicity study of the naked pVAX-RBD and pVAX-RBD enclosed in the PGS envelope showed that the latter was more efficient in inducing an immune response in the immunized mice. In particular, RBD-specific antibody titers were shown in ELISA to be no higher than 1 : 1000 in the animals from the pVAX-RBD group and 1 : 42 000, in the pVAX-RBD-PGS group. The pVAX-RBD‒PGS construct effectively induced cellular immune response. Using ELISpot, it has been demonstrated that splenocytes obtained from the immunized animals effectively produced INF-γ in response to stimulation with the S protein-derived peptide pool. The results suggest that the polyglucine-spermidine conjugate-enveloped pVAX-RBD construct may be considered as a promising DNA vaccine against COVID-19.
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Affiliation(s)
- M B Borgoyakova
- Vector State Research Center of Virology and Biotechnology, Russian Federal State Agency for Health and Consumer Rights Surveillance, 630559 Koltsovo, Novosibirsk oblast Russia
| | - L I Karpenko
- Vector State Research Center of Virology and Biotechnology, Russian Federal State Agency for Health and Consumer Rights Surveillance, 630559 Koltsovo, Novosibirsk oblast Russia
| | - A P Rudometov
- Vector State Research Center of Virology and Biotechnology, Russian Federal State Agency for Health and Consumer Rights Surveillance, 630559 Koltsovo, Novosibirsk oblast Russia
| | - D V Shanshin
- Vector State Research Center of Virology and Biotechnology, Russian Federal State Agency for Health and Consumer Rights Surveillance, 630559 Koltsovo, Novosibirsk oblast Russia
| | - A A Isaeva
- Vector State Research Center of Virology and Biotechnology, Russian Federal State Agency for Health and Consumer Rights Surveillance, 630559 Koltsovo, Novosibirsk oblast Russia.,World-Class Genomic Research Center for Biological Safety and Technological Independence, Federal Scientific and Technical Program for the Development of Genetic Technologies, Vector State Research Center of Virology and Biotechnology, Russian Federal State Agency for Health and Consumer Rights Surveillance, 630559 Koltsovo, Novosibirsk oblast Russia
| | - V S Nesmeyanova
- Vector State Research Center of Virology and Biotechnology, Russian Federal State Agency for Health and Consumer Rights Surveillance, 630559 Koltsovo, Novosibirsk oblast Russia.,World-Class Genomic Research Center for Biological Safety and Technological Independence, Federal Scientific and Technical Program for the Development of Genetic Technologies, Vector State Research Center of Virology and Biotechnology, Russian Federal State Agency for Health and Consumer Rights Surveillance, 630559 Koltsovo, Novosibirsk oblast Russia
| | - N V Volkova
- Vector State Research Center of Virology and Biotechnology, Russian Federal State Agency for Health and Consumer Rights Surveillance, 630559 Koltsovo, Novosibirsk oblast Russia
| | - S V Belenkaya
- Vector State Research Center of Virology and Biotechnology, Russian Federal State Agency for Health and Consumer Rights Surveillance, 630559 Koltsovo, Novosibirsk oblast Russia
| | - D E Murashkin
- Vector State Research Center of Virology and Biotechnology, Russian Federal State Agency for Health and Consumer Rights Surveillance, 630559 Koltsovo, Novosibirsk oblast Russia
| | - D N Shcherbakov
- Vector State Research Center of Virology and Biotechnology, Russian Federal State Agency for Health and Consumer Rights Surveillance, 630559 Koltsovo, Novosibirsk oblast Russia.,World-Class Genomic Research Center for Biological Safety and Technological Independence, Federal Scientific and Technical Program for the Development of Genetic Technologies, Vector State Research Center of Virology and Biotechnology, Russian Federal State Agency for Health and Consumer Rights Surveillance, 630559 Koltsovo, Novosibirsk oblast Russia
| | - E A Volosnikova
- Vector State Research Center of Virology and Biotechnology, Russian Federal State Agency for Health and Consumer Rights Surveillance, 630559 Koltsovo, Novosibirsk oblast Russia
| | - E V Starostina
- Vector State Research Center of Virology and Biotechnology, Russian Federal State Agency for Health and Consumer Rights Surveillance, 630559 Koltsovo, Novosibirsk oblast Russia
| | - L A Orlova
- Vector State Research Center of Virology and Biotechnology, Russian Federal State Agency for Health and Consumer Rights Surveillance, 630559 Koltsovo, Novosibirsk oblast Russia
| | - N V Danilchenko
- Vector State Research Center of Virology and Biotechnology, Russian Federal State Agency for Health and Consumer Rights Surveillance, 630559 Koltsovo, Novosibirsk oblast Russia
| | - A V Zaikovskaya
- Vector State Research Center of Virology and Biotechnology, Russian Federal State Agency for Health and Consumer Rights Surveillance, 630559 Koltsovo, Novosibirsk oblast Russia
| | - O V Pyankov
- Vector State Research Center of Virology and Biotechnology, Russian Federal State Agency for Health and Consumer Rights Surveillance, 630559 Koltsovo, Novosibirsk oblast Russia
| | - A A Ilyichev
- Vector State Research Center of Virology and Biotechnology, Russian Federal State Agency for Health and Consumer Rights Surveillance, 630559 Koltsovo, Novosibirsk oblast Russia
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Liposomal Encapsulation Increases the Efficacy of Azithromycin against Chlamydia trachomatis. Pharmaceutics 2021; 14:pharmaceutics14010036. [PMID: 35056934 PMCID: PMC8777707 DOI: 10.3390/pharmaceutics14010036] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 12/16/2021] [Accepted: 12/20/2021] [Indexed: 11/16/2022] Open
Abstract
Chlamydia trachomatis (C. trachomatis) is an obligate intracellular bacterium linked to ocular and urogenital infections with potentially serious sequelae, including blindness and infertility. First-line antibiotics, such as azithromycin (AZT) and doxycycline, are effective, but treatment failures have also been reported. Encapsulation of antibiotics in liposomes is considered an effective approach for improving their local effects, bioavailability, biocompatibility and antimicrobial activity. To test whether liposomes could enhance the antichlamydial action of AZT, we encapsulated AZT in different surface-charged elastic liposomes (neutral, cationic and anionic elastic liposomes) and assessed their antibacterial potential against the C. trachomatis serovar D laboratory strain as well as the clinical isolate C. trachomatis serovar F. A direct quantitative polymerase chain reaction (qPCR) method was used to measure chlamydial genome content 48 h post infection and to determine the recoverable chlamydial growth. All the liposomes efficiently delivered AZT to HeLa 229 cells infected with the laboratory Chlamydia strain, exhibiting the minimal inhibitory concentrations (MIC) and the minimal bactericidal concentrations (MBC) of AZT even 4–8-fold lower than those achieved with the free AZT. The tested AZT-liposomes were also effective against the clinical Chlamydia strain by decreasing MIC values by 2-fold relative to the free AZT. Interestingly, the neutral AZT-liposomes had no effect on the MBC against the clinical strain, while cationic and anionic AZT-liposomes decreased the MBC 2-fold, hence proving the potential of the surface-charged elastic liposomes to improve the effectiveness of AZT against C. trachomatis.
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Pruchnik H, Gliszczyńska A, Włoch A. Evaluation of the Physico-Chemical Properties of Liposomes Assembled from Bioconjugates of Anisic Acid with Phosphatidylcholine. Int J Mol Sci 2021; 22:13146. [PMID: 34884953 PMCID: PMC8658227 DOI: 10.3390/ijms222313146] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 11/29/2021] [Accepted: 12/02/2021] [Indexed: 12/25/2022] Open
Abstract
The aim of this work was the evaluation of the physico-chemical properties of a new type of liposomes that are composed of DPPC and bioconjugates of anisic acid with phosphatidylcholine. In particular, the impact of modified anisic acid phospholipids on the thermotropic parameters of liposomes was determined, which is crucial for using them as potential carriers of active substances in cancer therapies. Their properties were determined using three biophysical methods, namely differential scanning calorimetry (DSC), steady-state fluorimetry and attenuated total reflectance Fourier transform infrared spectroscopy (ATR-FTIR). Moreover, temperature studies of liposomes composed of DPPC and bioconjugates of anisic acid with phosphatidylcholine provided information about the phase transition, fluidity regarding chain order, hydration and dynamics. The DSC results show that the main phase transition peak for conjugates of anisic acid with phosphatidylcholine molecules was broadened and shifted to a lower temperature in a concentration- and structure-dependent manner. The ATR-FTIR results and the results of measurements conducted using fluorescent probes located at different regions in the lipid bilayer are in line with DSC. The results show that the new bioconjugates with phosphatidylcholine have a significant impact on the physico-chemical properties of a membrane and cause a decrease in the temperature of the main phase transition. The consequence of this is greater fluidity of the lipid bilayer.
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Affiliation(s)
- Hanna Pruchnik
- Department of Physics and Biophysics, Wrocław University of Environmental and Life Sciences, Norwida 25, 50-375 Wrocław, Poland;
| | - Anna Gliszczyńska
- Department of Chemistry, Wrocław University of Environmental and Life Sciences, Norwida 25, 50-375 Wrocław, Poland;
| | - Aleksandra Włoch
- Department of Physics and Biophysics, Wrocław University of Environmental and Life Sciences, Norwida 25, 50-375 Wrocław, Poland;
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Wu Y, Battalapalli D, Hakeem MJ, Selamneni V, Zhang P, Draz MS, Ruan Z. Engineered CRISPR-Cas systems for the detection and control of antibiotic-resistant infections. J Nanobiotechnology 2021; 19:401. [PMID: 34863214 PMCID: PMC8642896 DOI: 10.1186/s12951-021-01132-8] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Accepted: 11/11/2021] [Indexed: 12/13/2022] Open
Abstract
Antibiotic resistance is spreading rapidly around the world and seriously impeding efforts to control microbial infections. Although nucleic acid testing is widely deployed for the detection of antibiotic resistant bacteria, the current techniques-mainly based on polymerase chain reaction (PCR)-are time-consuming and laborious. There is an urgent need to develop new strategies to control bacterial infections and the spread of antimicrobial resistance (AMR). The CRISPR-Cas system is an adaptive immune system found in many prokaryotes that presents attractive opportunities to target and edit nucleic acids with high precision and reliability. Engineered CRISPR-Cas systems are reported to effectively kill bacteria or even revert bacterial resistance to antibiotics (resensitizing bacterial cells to antibiotics). Strategies for combating antimicrobial resistance using CRISPR (i.e., Cas9, Cas12, Cas13, and Cas14) can be of great significance in detecting bacteria and their resistance to antibiotics. This review discusses the structures, mechanisms, and detection methods of CRISPR-Cas systems and how these systems can be engineered for the rapid and reliable detection of bacteria using various approaches, with a particular focus on nanoparticles. In addition, we summarize the most recent advances in applying the CRISPR-Cas system for virulence modulation of bacterial infections and combating antimicrobial resistance.
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Affiliation(s)
- Yuye Wu
- Department of Clinical Laboratory, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | | | - Mohammed J Hakeem
- Department of Food Science and Human Nutrition, College of Food and Agriculture Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Venkatarao Selamneni
- Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, OH, USA
| | - Pengfei Zhang
- Department of Central Laboratory, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, China.
| | - Mohamed S Draz
- Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, OH, USA.
| | - Zhi Ruan
- Department of Clinical Laboratory, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.
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Lőrincz A, Mihály J, Wacha A, Németh C, Besztercei B, Gyulavári P, Varga Z, Peták I, Bóta A. Combination of multifunctional ursolic acid with kinase inhibitors for anti-cancer drug carrier vesicles. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 131:112481. [PMID: 34857267 DOI: 10.1016/j.msec.2021.112481] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 09/25/2021] [Accepted: 10/08/2021] [Indexed: 01/04/2023]
Abstract
A sterically stabilized unilamellar nanocarrier vesicle (SSV) system containing dipalmitoylphosphatidylcholine, cholesterol, ursolic acid and PEGylated phospholipid has been developed by exploiting the structural advantages of ursolic acid: by spontaneously attaching to the lipid head groups, it induces curvature at the outer side of the bilayers, allowing the preparation of size-limited vesicles without extrusion. Ursolic acid (UA) also interacts with the PEG chains, supporting steric stabilization even when the amount of PEGylated phospholipid is reduced. Using fluorescence immunohistochemistry, vesicles containing ursolic acid (UA-SSVs) were found to accumulate in the tumor in 3 h on xenografted mouse, suggesting the potential use of these vesicles for passive tumor targeting. Further on, mono- and combination therapy with UA and six different kinase inhibitors (crizotinib, erlotinib, foretinib, gefitinib, refametinib, trametinib) was tested on seven cancer cell-lines. In most combinations synergism was observed, in the case of trametinib even at very low concentration (0.001 μM), which targets the MAPK pathway most often activated in human cancers. The coupled intercalation of UA and trametinib (2:1 molar ratio) into vesicles causes further structural advantageous molecular interactions, promoting the formation of small vesicles. The high drug:lipid molar ratio (~0.5) in the novel type of co-delivery vesicles enables their direct medical application, possibly also overcoming the multidrug resistance effect.
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Affiliation(s)
- A Lőrincz
- Research Centre for Natural Sciences - Eötvös Loránd Research Network, Institute of Materials and Environmental Chemistry, Research Group of Biological Nanochemistry, Magyar tudósok boulevard 2, 1117 Budapest, Hungary
| | - J Mihály
- Research Centre for Natural Sciences - Eötvös Loránd Research Network, Institute of Materials and Environmental Chemistry, Research Group of Biological Nanochemistry, Magyar tudósok boulevard 2, 1117 Budapest, Hungary.
| | - A Wacha
- Research Centre for Natural Sciences - Eötvös Loránd Research Network, Institute of Materials and Environmental Chemistry, Research Group of Biological Nanochemistry, Magyar tudósok boulevard 2, 1117 Budapest, Hungary
| | - Cs Németh
- Research Centre for Natural Sciences - Eötvös Loránd Research Network, Institute of Materials and Environmental Chemistry, Research Group of Biological Nanochemistry, Magyar tudósok boulevard 2, 1117 Budapest, Hungary
| | - B Besztercei
- Semmelweis University, Institute of Clinical Experimental Research, Tűzoltó street 37-47, 1094 Budapest, Hungary
| | - P Gyulavári
- Semmelweis University, Pathobiochemistry Research Group, Tűzoltó street 37-47, 1094 Budapest, Hungary
| | - Z Varga
- Research Centre for Natural Sciences - Eötvös Loránd Research Network, Institute of Materials and Environmental Chemistry, Research Group of Biological Nanochemistry, Magyar tudósok boulevard 2, 1117 Budapest, Hungary
| | - I Peták
- University of Illinois at Chicago, Department of Biopharmaceutical Sciences, 833 S. Wood street, Chicago, IL 60612, USA; Oncompass Medicine Ltd., Retek street 34, 1024 Budapest, Hungary; Semmelweis University, Department of Pharmacology and Pharmacotherapy, Nagyvárad square 4, 1089 Budapest, Hungary
| | - A Bóta
- Research Centre for Natural Sciences - Eötvös Loránd Research Network, Institute of Materials and Environmental Chemistry, Research Group of Biological Nanochemistry, Magyar tudósok boulevard 2, 1117 Budapest, Hungary.
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Johnson TF, Jones K, Iacoviello F, Turner S, Jackson NB, Zourna K, Welsh JH, Shearing PR, Hoare M, Bracewell DG. Liposome Sterile Filtration Characterization via X-ray Computed Tomography and Confocal Microscopy. MEMBRANES 2021; 11:membranes11110905. [PMID: 34832134 PMCID: PMC8620169 DOI: 10.3390/membranes11110905] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 11/16/2021] [Accepted: 11/19/2021] [Indexed: 12/12/2022]
Abstract
Two high resolution, 3D imaging techniques were applied to visualize and characterize sterilizing grade dual-layer filtration of liposomes, enabling membrane structure to be related with function and performance. Two polyethersulfone membranes with nominal retention ratings of 650 nm and 200 nm were used to filter liposomes of an average diameter of 143 nm and a polydispersity index of 0.1. Operating conditions including differential pressure were evaluated. X-ray computed tomography at a pixel size of 63 nm was capable of resolving the internal geometry of each membrane. The respective asymmetry and symmetry of the upstream and downstream membranes could be measured, with pore network modeling used to identify pore sizes as a function of distance through the imaged volume. Reconstructed 3D digital datasets were the basis of tortuous flow simulation through each porous structure. Confocal microscopy visualized liposome retention within each membrane using fluorescent dyes, with bacterial challenges also performed. It was found that increasing pressure drop from 0.07 MPa to 0.21 MPa resulted in differing fluorescent retention profiles in the upstream membrane. These results highlighted the capability for complementary imaging approaches to deepen understanding of liposome sterilizing grade filtration.
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Affiliation(s)
- Thomas F. Johnson
- Department of Biochemical Engineering, University College London, Bernard Katz, London WC1E 6BT, UK; (T.F.J.); (M.H.)
| | - Kyle Jones
- Pall Corporation 5 Harbourgate Business Park, Southampton Road, Portsmouth PO6 4BQ, UK; (K.J.); (S.T.); (N.B.J.); (K.Z.); (J.H.W.)
| | - Francesco Iacoviello
- Electrochemical Innovation Laboratory, Department of Chemical Engineering, University College London, Torrington Place, London WC1E 7JE, UK; (F.I.); (P.R.S.)
| | - Stephen Turner
- Pall Corporation 5 Harbourgate Business Park, Southampton Road, Portsmouth PO6 4BQ, UK; (K.J.); (S.T.); (N.B.J.); (K.Z.); (J.H.W.)
| | - Nigel B. Jackson
- Pall Corporation 5 Harbourgate Business Park, Southampton Road, Portsmouth PO6 4BQ, UK; (K.J.); (S.T.); (N.B.J.); (K.Z.); (J.H.W.)
| | - Kalliopi Zourna
- Pall Corporation 5 Harbourgate Business Park, Southampton Road, Portsmouth PO6 4BQ, UK; (K.J.); (S.T.); (N.B.J.); (K.Z.); (J.H.W.)
| | - John H. Welsh
- Pall Corporation 5 Harbourgate Business Park, Southampton Road, Portsmouth PO6 4BQ, UK; (K.J.); (S.T.); (N.B.J.); (K.Z.); (J.H.W.)
| | - Paul R. Shearing
- Electrochemical Innovation Laboratory, Department of Chemical Engineering, University College London, Torrington Place, London WC1E 7JE, UK; (F.I.); (P.R.S.)
| | - Mike Hoare
- Department of Biochemical Engineering, University College London, Bernard Katz, London WC1E 6BT, UK; (T.F.J.); (M.H.)
| | - Daniel G. Bracewell
- Department of Biochemical Engineering, University College London, Bernard Katz, London WC1E 6BT, UK; (T.F.J.); (M.H.)
- Correspondence: ; Tel.: +44-20-7679-2374
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Villanueva-Flores F, Zárate-Romero A, Torres AG, Huerta-Saquero A. Encapsulation of Asparaginase as a Promising Strategy to Improve In Vivo Drug Performance. Pharmaceutics 2021; 13:1965. [PMID: 34834379 PMCID: PMC8625962 DOI: 10.3390/pharmaceutics13111965] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 11/04/2021] [Accepted: 11/16/2021] [Indexed: 02/07/2023] Open
Abstract
Asparaginase (ASNase) is a widely applied chemotherapeutic drug that is used to treat Acute Lymphoblastic Leukemia (ALL); however, immune responses and silent inactivation of the drug often limit its bioavailability. Many strategies have been proposed to overcome these drawbacks, including the development of improved formulations (biobetters), but only two of them are currently on the market. Nano- and micro-encapsulation are some of the most promising and novel approaches to enhance in vivo performance of ASNase, preventing the direct contact of the enzyme with the environment, protecting it from protease degradation, increasing the enzymes catalytic half-life, and in some cases, reducing immunogenicity. This review summarizes the strategies, particularly for ASNase nano- and micro-encapsulation, and their main findings, constraints, and current gaps in the state-of-the-art knowledge. The pros and cons of the use of different nanocarriers are discussed with the idea to ultimately provide safer and more effective treatments for patients with ALL.
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Affiliation(s)
- Francisca Villanueva-Flores
- Centro de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de México, Km. 107 Carretera Tijuana-Ensenada, Ensenada 22860, Mexico; (F.V.-F.); (A.Z.-R.)
| | - Andrés Zárate-Romero
- Centro de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de México, Km. 107 Carretera Tijuana-Ensenada, Ensenada 22860, Mexico; (F.V.-F.); (A.Z.-R.)
| | - Alfredo G. Torres
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77550, USA;
| | - Alejandro Huerta-Saquero
- Centro de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de México, Km. 107 Carretera Tijuana-Ensenada, Ensenada 22860, Mexico; (F.V.-F.); (A.Z.-R.)
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77550, USA;
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The Evolution and Future of Targeted Cancer Therapy: From Nanoparticles, Oncolytic Viruses, and Oncolytic Bacteria to the Treatment of Solid Tumors. NANOMATERIALS 2021; 11:nano11113018. [PMID: 34835785 PMCID: PMC8623458 DOI: 10.3390/nano11113018] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 10/28/2021] [Accepted: 11/01/2021] [Indexed: 02/07/2023]
Abstract
While many classes of chemotherapeutic agents exist to treat solid tumors, few can generate a lasting response without substantial off-target toxicity despite significant scientific advancements and investments. In this review, the paths of development for nanoparticles, oncolytic viruses, and oncolytic bacteria over the last 20 years of research towards clinical translation and acceptance as novel cancer therapeutics are compared. Novel nanoparticle, oncolytic virus, and oncolytic bacteria therapies all start with a common goal of accomplishing therapeutic drug activity or delivery to a specific site while avoiding off-target effects, with overlapping methodology between all three modalities. Indeed, the degree of overlap is substantial enough that breakthroughs in one therapeutic could have considerable implications on the progression of the other two. Each oncotherapeutic modality has accomplished clinical translation, successfully overcoming the potential pitfalls promising therapeutics face. However, once studies enter clinical trials, the data all but disappears, leaving pre-clinical researchers largely in the dark. Overall, the creativity, flexibility, and innovation of these modalities for solid tumor treatments are greatly encouraging, and usher in a new age of pharmaceutical development.
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Levy ES, Yu J, Estevez A, Mao J, Liu L, Torres E, Leung D, Yen CW. A Systematic Approach for Liposome and Lipodisk Preclinical Formulation Development by Microfluidic Technology. AAPS JOURNAL 2021; 23:111. [PMID: 34651233 PMCID: PMC8516330 DOI: 10.1208/s12248-021-00651-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Accepted: 09/24/2021] [Indexed: 12/21/2022]
Abstract
Lipid nanoparticles have transformed the drug delivery field enhancing the therapeutic drug performance of small molecules and biologics with several approved drug products. However, in industry, these more complex drug delivery systems such as liposomes require more material and time to develop. Here, we report a liposome and lipodisk decision tree with model compounds of diverse physicochemical properties to understand how to resourcefully optimize encapsulation efficiency (EE) for these lipid-based drug delivery systems. We have identified trends with physicochemical properties such as Log P, where higher Log P compounds such as curcumin were able to efficiently load into the lipid bilayer resulting in high EE with altering the drug/lipid (D/L) ratio. Moderate Log P compounds such as cyclosporine A and dexamethasone had significantly higher encapsulation in lipodisks, which contain higher amounts of PEG lipid compared to liposomes. The EE of negative Log P compounds, like acyclovir, remained low regardless of altering the D/L ratio and PEG concentrations. In this study, microfluidic techniques were employed to fabricate liposomes and lipodisks formulations allowing for a reproducible strategy for formulation development. Both liposome and lipodisk of curcumin demonstrated enhanced in vivo performance compared with a conventional formulation in the rat pharmacokinetic study. This combination of approaches with multiple model compounds and lipid-based drug delivery systems provides a systematic guidance to effective strategies to generate higher EE with minimal drug waste and expedite the process for preclinical development when applied to industry compounds.
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Affiliation(s)
- Elizabeth S Levy
- Small Molecule Pharmaceutical Sciences, Genentech Inc., 1 DNA Way, South San Francisco, California, 94080, USA
| | - Jesse Yu
- Drug Metabolism and Pharmacokinetics, Genentech Inc., 1 DNA Way, South San Francisco, California, 94080, USA
| | - Alberto Estevez
- Structural Biology, Genentech Inc., 1 DNA Way, South San Francisco, California, 94080, USA
| | - Jialin Mao
- Drug Metabolism and Pharmacokinetics, Genentech Inc., 1 DNA Way, South San Francisco, California, 94080, USA
| | - Liling Liu
- Drug Metabolism and Pharmacokinetics, Genentech Inc., 1 DNA Way, South San Francisco, California, 94080, USA
| | - Elizabeth Torres
- Research and Early Development, Genentech Inc., 1 DNA Way, South San Francisco, California, 94080, USA
| | - Dennis Leung
- Small Molecule Pharmaceutical Sciences, Genentech Inc., 1 DNA Way, South San Francisco, California, 94080, USA.
| | - Chun-Wan Yen
- Small Molecule Pharmaceutical Sciences, Genentech Inc., 1 DNA Way, South San Francisco, California, 94080, USA.
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Lefrançois P, Santolini J, Arbault S. Electroanalysis at a Single Giant Vesicle Generating Enzymatically a Reactive Oxygen Species. Anal Chem 2021; 93:13143-13151. [PMID: 34546719 DOI: 10.1021/acs.analchem.1c01208] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
In the framework of artificial or synthetic cell development, giant liposomes are common basic structures. Their enclosed membrane allows encapsulating proteins, DNA, reactants, etc., while its phospholipid nature allows some exchanges with the surrounding medium. Biochemical reactions induced inside giant liposomes or vesicles are often monitored or imaged by fluorescence microscopy techniques. Here, we show that electrochemistry performed with ultramicroelectrodes is perfectly suitable to monitor an enzymatic reaction occurring in a single giant unilamellar vesicle. Glucose oxidase (GOx) was microinjected inside individual vesicles containing 1 mM glucose. H2O2 was thus generated in the vesicle and progressively diffused across the membrane toward the surrounding environment. An ultramicroelectrode sensitive to H2O2 (black platinum-modified carbon surface) was placed next to the membrane and provided a direct detection of the hydrogen peroxide flux generated by the enzyme activity. Electrochemistry offered a highly sensitive (in situ detection), selective (potential applied at the electrode), time-resolved analysis (chronoamperometry) of the GOx activity over an hour duration, without modifying the internal giant unilamellar vesicles (GUV) medium. These results demonstrate that electroanalysis with microsensors is well adapted and complementary to fluorescence microscopy to sense enzymatic activities, for instance, generating reactive oxygen species, at single vesicles further used to develop artificial cells.
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Affiliation(s)
- Pauline Lefrançois
- Univ. Bordeaux, CNRS, Bordeaux INP, ISM, UMR 5255 CNRS, F-33400 Talence, France
| | - Jérôme Santolini
- Institute for Integrative Biology of the Cell (I2BC), CEA, CNRS, Univ. Paris-Sud, Univ. Paris-Saclay, F-91198 Gif-sur-Yvette Cedex, France
| | - Stéphane Arbault
- Univ. Bordeaux, CNRS, Bordeaux INP, ISM, UMR 5255 CNRS, F-33400 Talence, France.,Univ. Bordeaux, CNRS, Bordeaux INP, CBMN, UMR 5248 CNRS, F-33600 Pessac, France
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45
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Osgood C, Ahmed Z, Di Pietro V. Co-Expression Network Analysis of MicroRNAs and Proteins in Severe Traumatic Brain Injury: A Systematic Review. Cells 2021; 10:cells10092425. [PMID: 34572074 PMCID: PMC8465595 DOI: 10.3390/cells10092425] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 09/06/2021] [Accepted: 09/13/2021] [Indexed: 01/14/2023] Open
Abstract
Traumatic brain injury (TBI) represents one of the leading causes of mortality and morbidity worldwide, placing an enormous socioeconomic burden on healthcare services and communities around the world. Survivors of TBI can experience complications ranging from temporary neurological and psychosocial problems to long-term, severe disability and neurodegenerative disease. The current lack of therapeutic agents able to mitigate the effects of secondary brain injury highlights the urgent need for novel target discovery. This study comprises two independent systematic reviews, investigating both microRNA (miRNA) and proteomic expression in rat models of severe TBI (sTBI). The results were combined to perform integrated miRNA-protein co-expression analyses with the aim of uncovering the potential roles of miRNAs in sTBI and to ultimately identify new targets for therapy. Thirty-four studies were included in total. Bioinformatic analysis was performed to identify any miRNA–protein associations. Endocytosis and TNF signalling pathways were highlighted as common pathways involving both miRNAs and proteins found to be differentially expressed in rat brain tissue following sTBI, suggesting efforts to find novel therapeutic targets that should be focused here. Further high-quality investigations are required to ascertain the involvement of these pathways and their miRNAs in the pathogenesis of TBI and other CNS diseases and to therefore uncover those targets with the greatest therapeutic potential.
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Affiliation(s)
- Claire Osgood
- Neuroscience and Ophthalmology Group, Institute of Inflammation and Ageing, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK;
| | - Zubair Ahmed
- Neuroscience and Ophthalmology Group, Institute of Inflammation and Ageing, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK;
- Centre for Trauma Sciences Research, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
- Surgical Reconstruction and Microbiology Research Centre, National Institute for Health Research, Queen Elizabeth Hospital, Birmingham B15 2TH, UK
- Correspondence: (Z.A.); (V.D.P.)
| | - Valentina Di Pietro
- Neuroscience and Ophthalmology Group, Institute of Inflammation and Ageing, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK;
- Centre for Trauma Sciences Research, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
- Surgical Reconstruction and Microbiology Research Centre, National Institute for Health Research, Queen Elizabeth Hospital, Birmingham B15 2TH, UK
- Correspondence: (Z.A.); (V.D.P.)
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Tan JYB, Yoon BK, Cho NJ, Lovrić J, Jug M, Jackman JA. Lipid Nanoparticle Technology for Delivering Biologically Active Fatty Acids and Monoglycerides. Int J Mol Sci 2021; 22:9664. [PMID: 34575831 PMCID: PMC8465605 DOI: 10.3390/ijms22189664] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2021] [Revised: 09/03/2021] [Accepted: 09/05/2021] [Indexed: 12/12/2022] Open
Abstract
There is enormous interest in utilizing biologically active fatty acids and monoglycerides to treat phospholipid membrane-related medical diseases, especially with the global health importance of membrane-enveloped viruses and bacteria. However, it is difficult to practically deliver lipophilic fatty acids and monoglycerides for therapeutic applications, which has led to the emergence of lipid nanoparticle platforms that support molecular encapsulation and functional presentation. Herein, we introduce various classes of lipid nanoparticle technology and critically examine the latest progress in utilizing lipid nanoparticles to deliver fatty acids and monoglycerides in order to treat medical diseases related to infectious pathogens, cancer, and inflammation. Particular emphasis is placed on understanding how nanoparticle structure is related to biological function in terms of mechanism, potency, selectivity, and targeting. We also discuss translational opportunities and regulatory needs for utilizing lipid nanoparticles to deliver fatty acids and monoglycerides, including unmet clinical opportunities.
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Affiliation(s)
- Jia Ying Brenda Tan
- School of Chemical Engineering and Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Korea; (J.Y.B.T.); (B.K.Y.)
- School of Materials Science and Engineering, Nanyang Technological University, Singapore 637553, Singapore;
| | - Bo Kyeong Yoon
- School of Chemical Engineering and Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Korea; (J.Y.B.T.); (B.K.Y.)
- School of Healthcare and Biomedical Engineering, Chonnam National University, Yeosu 59626, Korea
| | - Nam-Joon Cho
- School of Materials Science and Engineering, Nanyang Technological University, Singapore 637553, Singapore;
| | - Jasmina Lovrić
- Department of Pharmaceutical Technology, Faculty of Pharmacy and Biochemistry, University of Zagreb, 10000 Zagreb, Croatia; (J.L.); (M.J.)
| | - Mario Jug
- Department of Pharmaceutical Technology, Faculty of Pharmacy and Biochemistry, University of Zagreb, 10000 Zagreb, Croatia; (J.L.); (M.J.)
| | - Joshua A. Jackman
- School of Chemical Engineering and Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Korea; (J.Y.B.T.); (B.K.Y.)
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Tian X, Fan T, Zhao W, Abbas G, Han B, Zhang K, Li N, Liu N, Liang W, Huang H, Chen W, Wang B, Xie Z. Recent advances in the development of nanomedicines for the treatment of ischemic stroke. Bioact Mater 2021; 6:2854-2869. [PMID: 33718667 PMCID: PMC7905263 DOI: 10.1016/j.bioactmat.2021.01.023] [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] [Received: 10/10/2020] [Revised: 12/09/2020] [Accepted: 01/20/2021] [Indexed: 02/06/2023] Open
Abstract
Ischemic stroke is still a serious threat to human life and health, but there are few therapeutic options available to treat stroke because of limited blood-brain penetration. The development of nanotechnology may overcome some of the problems related to traditional drug development. In this review, we focus on the potential applications of nanotechnology in stroke. First, we will discuss the main molecular pathological mechanisms of ischemic stroke to develop a targeted strategy. Second, considering the important role of the blood-brain barrier in stroke treatment, we also delve mechanisms by which the blood-brain barrier protects the brain, and the reasons why the therapeutics must pass through the blood-brain barrier to achieve efficacy. Lastly, we provide a comprehensive review related to the application of nanomaterials to treat stroke, including liposomes, polymers, metal nanoparticles, carbon nanotubes, graphene, black phosphorus, hydrogels and dendrimers. To conclude, we will summarize the challenges and future prospects of nanomedicine-based stroke treatments.
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Affiliation(s)
- Xing Tian
- Key Laboratory of Xinjiang Phytomedicine Resource and Utilization, Ministry of Education, College of Pharmacy, Shihezi University, Shihezi, 832002, China
| | - Taojian Fan
- Institute of Microscale Optoelectronics, Collaborative Innovation Centre for Optoelectronic Science & Technology, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen Key Laboratory of Micro-Nano Photonic Information Technology, Guangdong Laboratory of Artificial Intelligence and Digital Economy (SZ), Shenzhen University, Shenzhen, 518060, PR China
| | - Wentian Zhao
- Key Laboratory of Xinjiang Phytomedicine Resource and Utilization, Ministry of Education, College of Pharmacy, Shihezi University, Shihezi, 832002, China
| | - Ghulam Abbas
- Institute of Microscale Optoelectronics, Collaborative Innovation Centre for Optoelectronic Science & Technology, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen Key Laboratory of Micro-Nano Photonic Information Technology, Guangdong Laboratory of Artificial Intelligence and Digital Economy (SZ), Shenzhen University, Shenzhen, 518060, PR China
| | - Bo Han
- Key Laboratory of Xinjiang Phytomedicine Resource and Utilization, Ministry of Education, College of Pharmacy, Shihezi University, Shihezi, 832002, China
| | - Ke Zhang
- Key Laboratory of Xinjiang Phytomedicine Resource and Utilization, Ministry of Education, College of Pharmacy, Shihezi University, Shihezi, 832002, China
| | - Nan Li
- Institute of Microscale Optoelectronics, Collaborative Innovation Centre for Optoelectronic Science & Technology, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen Key Laboratory of Micro-Nano Photonic Information Technology, Guangdong Laboratory of Artificial Intelligence and Digital Economy (SZ), Shenzhen University, Shenzhen, 518060, PR China
| | - Ning Liu
- Institute of Microscale Optoelectronics, Collaborative Innovation Centre for Optoelectronic Science & Technology, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen Key Laboratory of Micro-Nano Photonic Information Technology, Guangdong Laboratory of Artificial Intelligence and Digital Economy (SZ), Shenzhen University, Shenzhen, 518060, PR China
| | - Weiyuan Liang
- Institute of Microscale Optoelectronics, Collaborative Innovation Centre for Optoelectronic Science & Technology, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen Key Laboratory of Micro-Nano Photonic Information Technology, Guangdong Laboratory of Artificial Intelligence and Digital Economy (SZ), Shenzhen University, Shenzhen, 518060, PR China
| | - Hao Huang
- Institute of Microscale Optoelectronics, Collaborative Innovation Centre for Optoelectronic Science & Technology, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen Key Laboratory of Micro-Nano Photonic Information Technology, Guangdong Laboratory of Artificial Intelligence and Digital Economy (SZ), Shenzhen University, Shenzhen, 518060, PR China
| | - Wen Chen
- Key Laboratory of Xinjiang Phytomedicine Resource and Utilization, Ministry of Education, College of Pharmacy, Shihezi University, Shihezi, 832002, China
| | - Bing Wang
- Institute of Microscale Optoelectronics, Collaborative Innovation Centre for Optoelectronic Science & Technology, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen Key Laboratory of Micro-Nano Photonic Information Technology, Guangdong Laboratory of Artificial Intelligence and Digital Economy (SZ), Shenzhen University, Shenzhen, 518060, PR China
| | - Zhongjian Xie
- Shenzhen International Institute for Biomedical Research, 518116, Shenzhen, Guangdong, China
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Pioselli B, Salomone F, Mazzola G, Amidani D, Sgarbi E, Amadei F, Murgia X, Catinella S, Villetti G, De Luca D, Carnielli V, Civelli M. Pulmonary surfactant: a unique biomaterial with life-saving therapeutic applications. Curr Med Chem 2021; 29:526-590. [PMID: 34525915 DOI: 10.2174/0929867328666210825110421] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 06/26/2021] [Accepted: 06/29/2021] [Indexed: 11/22/2022]
Abstract
Pulmonary surfactant is a complex lipoprotein mixture secreted into the alveolar lumen by type 2 pneumocytes, which is composed by tens of different lipids (approximately 90% of its entire mass) and surfactant proteins (approximately 10% of the mass). It is crucially involved in maintaining lung homeostasis by reducing the values of alveolar liquid surface tension close to zero at end-expiration, thereby avoiding the alveolar collapse, and assembling a chemical and physical barrier against inhaled pathogens. A deficient amount of surfactant or its functional inactivation is directly linked to a wide range of lung pathologies, including the neonatal respiratory distress syndrome. This paper reviews the main biophysical concepts of surfactant activity and its inactivation mechanisms, and describes the past, present and future roles of surfactant replacement therapy, focusing on the exogenous surfactant preparations marketed worldwide and new formulations under development. The closing section describes the pulmonary surfactant in the context of drug delivery. Thanks to its peculiar composition, biocompatibility, and alveolar spreading capability, the surfactant may work not only as a shuttle to the branched anatomy of the lung for other drugs but also as a modulator for their release, opening to innovative therapeutic avenues for the treatment of several respiratory diseases.
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Affiliation(s)
| | | | | | | | - Elisa Sgarbi
- Preclinical R&D, Chiesi Farmaceutici, Parma. Italy
| | | | - Xabi Murgia
- Department of Biotechnology, GAIKER Technology Centre, Zamudio. Spain
| | | | | | - Daniele De Luca
- Division of Pediatrics and Neonatal Critical Care, Antoine Béclère Medical Center, APHP, South Paris University Hospitals, Paris, France; Physiopathology and Therapeutic Innovation Unit-U999, South Paris-Saclay University, Paris. France
| | - Virgilio Carnielli
- Division of Neonatology, G Salesi Women and Children's Hospital, Polytechnical University of Marche, Ancona. Italy
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Song S, Johnson KS, Lujan H, Pradhan SH, Sayes CM, Taube JH. Nanoliposomal Delivery of MicroRNA-203 Suppresses Migration of Triple-Negative Breast Cancer through Distinct Target Suppression. Noncoding RNA 2021; 7:45. [PMID: 34449670 PMCID: PMC8395754 DOI: 10.3390/ncrna7030045] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 07/14/2021] [Accepted: 07/21/2021] [Indexed: 02/07/2023] Open
Abstract
Triple-negative breast cancers affect thousands of women in the United States and disproportionately drive mortality from breast cancer. MicroRNAs are small, non-coding RNAs that negatively regulate gene expression post-transcriptionally by inhibiting target mRNA translation or by promoting mRNA degradation. We have identified that miRNA-203, silenced by epithelial-mesenchymal transition (EMT), is a tumor suppressor and can promote differentiation of breast cancer stem cells. In this study, we tested the ability of liposomal delivery of miR-203 to reverse aspects of breast cancer pathogenesis using breast cancer and EMT cell lines. We show that translationally relevant methods for increasing miR-203 abundance within a target tissue affects cellular properties associated with cancer progression. While stable miR-203 expression suppresses LASP1 and survivin, nanoliposomal delivery suppresses BMI1, indicating that suppression of distinct mRNA target profiles can lead to loss of cancer cell migration.
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Affiliation(s)
- Shuxuan Song
- Department of Biology, Baylor University, Waco, TX 76706, USA; (S.S.); (K.S.J.)
| | - Kelsey S. Johnson
- Department of Biology, Baylor University, Waco, TX 76706, USA; (S.S.); (K.S.J.)
| | - Henry Lujan
- Department of Environmental Science, Baylor University, Waco, TX 76706, USA; (H.L.); (S.H.P.); (C.M.S.)
| | - Sahar H. Pradhan
- Department of Environmental Science, Baylor University, Waco, TX 76706, USA; (H.L.); (S.H.P.); (C.M.S.)
| | - Christie M. Sayes
- Department of Environmental Science, Baylor University, Waco, TX 76706, USA; (H.L.); (S.H.P.); (C.M.S.)
| | - Joseph H. Taube
- Department of Biology, Baylor University, Waco, TX 76706, USA; (S.S.); (K.S.J.)
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50
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Mousavifar L, Abdullayev S, Roy R. Recent Development in the Design of Neoglycoliposomes Bearing Arborescent Architectures. Molecules 2021; 26:molecules26144281. [PMID: 34299556 PMCID: PMC8303545 DOI: 10.3390/molecules26144281] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 07/08/2021] [Accepted: 07/12/2021] [Indexed: 12/12/2022] Open
Abstract
This brief review highlights systematic progress in the design of synthetic glycolipid (neoglycolipids) analogs evolving from the conventional architectures of natural glycosphingolipids and gangliosides. Given that naturally occurring glycolipids are composed of only one hydrophilic sugar head-group and two hydrophobic lipid tails embedded in the lipid bilayers of the cell membranes, they usually require extraneous lipids (phosphatidylcholine, cholesterol) to confer their stability. In order to obviate the necessity for these additional stabilizing ingredients, recent investigations have merged dendrimer chemistry with that of neoglycolipid syntheses. This singular approach has provided novel glycoarchitectures allowing reconsidering the necessity for the traditional one to two hydrophilic/hydrophobic ratio. An emphasis has been provided in the recent design of modular arborescent neoglycolipid syntheses coined glycodendrimersomes.
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Affiliation(s)
| | | | - René Roy
- Correspondence: ; Tel.: +1-514-987-3000 (ext. 2546)
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