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Alrbyawi H. Stimuli-Responsive Liposomes of 5-Fluorouracil: Progressive Steps for Safe and Effective Treatment of Colorectal Cancer. Pharmaceutics 2024; 16:966. [PMID: 39065663 PMCID: PMC11280302 DOI: 10.3390/pharmaceutics16070966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2024] [Revised: 07/15/2024] [Accepted: 07/17/2024] [Indexed: 07/28/2024] Open
Abstract
5-Fluorouracil (5-FU) has become one of the most widely employed antimetabolite chemotherapeutic agents in recent decades to treat various types of cancer. It is considered the standard first-line treatment for patients with metastatic colorectal cancer. Unfortunately, traditional chemotherapy with 5-FU presents many limitations, such as a short half-life, a low bioavailability, and a high cytotoxicity, affecting both tumor tissue and healthy tissue. In order to overcome the drawbacks of 5-FU and enhance its therapeutic effectiveness against colorectal cancer, many studies have focused on designing new delivery systems to successfully deliver 5-FU to tumor sites. Liposomes have gained attention as a well-accepted nanocarrier for several chemotherapeutic agents. These amphipathic spherical vesicles consist of one or more phospholipid bilayers, showing promise for the drug delivery of both hydrophobic and hydrophilic components in addition to distinctive properties, such as biodegradability, biocompatibility, a low toxicity, and non-immunogenicity. Recent progress in liposomes has mainly focused on chemical and structural modifications to specifically target and activate therapeutic actions against cancer within the proximity of tumors. This review provides a comprehensive overview of both internal-stimuli-responsive liposomes, such as those activated by enzymes or pH, and external-stimuli-responsive liposomes, such as those activated by the application of a magnetic field, light, or temperature variations, for the site-specific delivery of 5-FU in colorectal cancer therapy, along with the future perspectives of these smart-delivery liposomes in colorectal cancer. In addition, this review critically highlights recent innovations in the literature on various types of stimuli-responsive liposomal formulations designed to be applied either exogenously or endogenously and that have great potential in delivering 5-FU to colorectal cancer sites.
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Affiliation(s)
- Hamad Alrbyawi
- Department of Pharmaceutics and Pharmaceutical Industries, College of Pharmacy, Taibah University, Madinah 41477, Saudi Arabia
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2
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Moradi Kashkooli F, Hornsby TK, Kolios MC, Tavakkoli JJ. Ultrasound-mediated nano-sized drug delivery systems for cancer treatment: Multi-scale and multi-physics computational modeling. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2024; 16:e1913. [PMID: 37475577 DOI: 10.1002/wnan.1913] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 05/18/2023] [Accepted: 05/30/2023] [Indexed: 07/22/2023]
Abstract
Computational modeling enables researchers to study and understand various complex biological phenomena in anticancer drug delivery systems (DDSs), especially nano-sized DDSs (NSDDSs). The combination of NSDDSs and therapeutic ultrasound (TUS), that is, focused ultrasound and low-intensity pulsed ultrasound, has made significant progress in recent years, opening many opportunities for cancer treatment. Multiple parameters require tuning and optimization to develop effective DDSs, such as NSDDSs, in which mathematical modeling can prove advantageous. In silico computational modeling of ultrasound-responsive DDS typically involves a complex framework of acoustic interactions, heat transfer, drug release from nanoparticles, fluid flow, mass transport, and pharmacodynamic governing equations. Owing to the rapid development of computational tools, modeling the different phenomena in multi-scale complex problems involved in drug delivery to tumors has become possible. In the present study, we present an in-depth review of recent advances in the mathematical modeling of TUS-mediated DDSs for cancer treatment. A detailed discussion is also provided on applying these computational models to improve the clinical translation for applications in cancer treatment. This article is categorized under: Nanotechnology Approaches to Biology > Nanoscale Systems in Biology Therapeutic Approaches and Drug Discovery > Nanomedicine for Oncologic Disease.
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Affiliation(s)
| | - Tyler K Hornsby
- Department of Physics, Toronto Metropolitan University, Toronto, Ontario, Canada
| | - Michael C Kolios
- Department of Physics, Toronto Metropolitan University, Toronto, Ontario, Canada
- Institute for Biomedical Engineering, Science and Technology (iBEST), Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Toronto, Ontario, Canada
| | - Jahangir Jahan Tavakkoli
- Department of Physics, Toronto Metropolitan University, Toronto, Ontario, Canada
- Institute for Biomedical Engineering, Science and Technology (iBEST), Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Toronto, Ontario, Canada
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3
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Newell B, Zhan W. Mathematical modelling of microneedle-mediated transdermal delivery of drug nanocarriers into skin tissue and circulatory system. J Control Release 2023; 360:447-467. [PMID: 37429359 DOI: 10.1016/j.jconrel.2023.07.011] [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: 04/05/2023] [Revised: 06/18/2023] [Accepted: 07/07/2023] [Indexed: 07/12/2023]
Abstract
Microneedle-mediated transdermal delivery using nanocarriers can successfully overcome the barrier of the stratum corneum and protect drugs from elimination in skin tissues. However, the effectiveness of drug delivery to different layers of skin tissues and the circulatory system varies considerably, subject to the properties of the drug delivery system and delivery regime. How to maximise delivery outcomes remains unclear. In this study, mathematical modelling is employed to investigate this transdermal delivery under various conditions, using the skin model that is reconstructed based on the realistic skin anatomical structure. Treatment efficacy is evaluated in terms of drug exposure over time. The modelling results demonstrate the complex dependence of drug accumulation and distribution on the nanocarrier properties, microneedle properties and environment in different skin layers and blood. Specifically, delivery outcomes in the entire skin and blood can be improved by increasing the loading dose and reducing microneedle spacing. However, several parameters need to be optimised with respect to the specific location of the target site in the tissue for better treatment; these include the drug release rate, nanocarrier diffusivity in microneedle and skin tissue, nanocarrier transvascular permeability, nanocarrier partition coefficient between tissue and microneedle, microneedle length, wind speed and relative humidity. The delivery is less sensitive to the diffusivity and physical degradation rate of free drugs in microneedle, and their partition coefficient between tissue and microneedle. Results obtained from this study can be used to improve the design of the microneedle-nanocarrier combined drug delivery system and delivery regime.
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Affiliation(s)
- Ben Newell
- School of Engineering, King's College, University of Aberdeen, Aberdeen AB24 3UE, United Kingdom
| | - Wenbo Zhan
- School of Engineering, King's College, University of Aberdeen, Aberdeen AB24 3UE, United Kingdom.
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4
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Regenold M, Kaneko K, Wang X, Peng HB, Evans JC, Bannigan P, Allen C. Triggered release from thermosensitive liposomes improves tumor targeting of vinorelbine. J Control Release 2023; 354:19-33. [PMID: 36503069 DOI: 10.1016/j.jconrel.2022.12.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 12/01/2022] [Accepted: 12/05/2022] [Indexed: 12/28/2022]
Abstract
Triggered drug delivery strategies have been shown to enhance drug accumulation at target diseased sites in comparison to administration of free drug. In particular, many studies have demonstrated improved targetability of chemotherapeutics when delivered via thermosensitive liposomes. However, most studies continue to focus on encapsulating doxorubicin while many other drugs would benefit from this targeted and localized delivery approach. The proposed study explores the therapeutic potential of a thermosensitive liposome formulation of the commonly used chemotherapy drug vinorelbine in combination with mild hyperthermia (39-43 °C) in a murine model of rhabdomyosarcoma. Rhabdomyosarcoma, the most common soft tissue sarcoma in children, is largely treated using conventional chemotherapy which is associated with significant adverse long-term sequelae. In this study, mild hyperthermia was pursued as a non-invasive, non-toxic means to improve the efficacy and safety profiles of vinorelbine. Thorough assessment of the pharmacokinetics, biodistribution, efficacy and toxicity of vinorelbine administered in the thermosensitive liposome formulation was compared to administration in a traditional, non-thermosensitive liposome formulation. This study shows the potential of an advanced formulation technology in combination with mild hyperthermia as a means to target an untargeted therapeutic agent and result in a significant improvement in its therapeutic index.
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Affiliation(s)
- Maximilian Regenold
- Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, Ontario, Canada
| | - Kan Kaneko
- Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, Ontario, Canada
| | - Xuehan Wang
- Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, Ontario, Canada
| | - H Benson Peng
- Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, Ontario, Canada
| | - James C Evans
- Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, Ontario, Canada
| | - Pauric Bannigan
- Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, Ontario, Canada
| | - Christine Allen
- Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, Ontario, Canada.
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Wang Z, Li J, Lin G, He Z, Wang Y. Metal complex-based liposomes: Applications and prospects in cancer diagnostics and therapeutics. J Control Release 2022; 348:1066-1088. [PMID: 35718211 DOI: 10.1016/j.jconrel.2022.06.012] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 06/09/2022] [Indexed: 12/17/2022]
Abstract
Metal complexes are of increasing interest as pharmaceutical agents in cancer diagnostics and therapeutics, while some of them suffer from issues such as limited water solubility and severe systemic toxicity. These drawbacks severely hampered their efficacy and clinical applications. Liposomes hold promise as delivery vehicles for constructing metal complex-based liposomes to maximize the therapeutic efficacy and minimize the side effects of metal complexes. This review provides an overview on the latest advances of metal complex-based liposomal delivery systems. First, the development of metal complex-mediated liposomal encapsulation is briefly introduced. Next, applications of metal complex-based liposomes in a variety of fields are overviewed, where drug delivery, cancer imaging (single photon emission computed tomography (SPECT), positron emission tomography (PET), and magnetic resonance imaging (MRI)), and cancer therapy (chemotherapy, phototherapy, and radiotherapy) were involved. Moreover, the potential toxicity, action of toxic mechanisms, immunological effects of metal complexes as well as the advantages of metal complex-liposomes in this content are also discussed. In the end, the future expectations and challenges of metal complex-based liposomes in clinical cancer therapy are tentatively proposed.
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Affiliation(s)
- Zhaomeng Wang
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, PR China
| | - Jinbo Li
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, PR China
| | - Guimei Lin
- School of Pharmacy, Shandong University, Jinan 250000, PR China
| | - Zhonggui He
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, PR China.
| | - Yongjun Wang
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, PR China.
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Role of Tissue Hydraulic Permeability in Convection-Enhanced Delivery of Nanoparticle-Encapsulated Chemotherapy Drugs to Brain Tumour. Pharm Res 2022; 39:877-892. [PMID: 35474156 PMCID: PMC9160122 DOI: 10.1007/s11095-022-03261-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 04/07/2022] [Indexed: 12/12/2022]
Abstract
PURPOSE Tissue hydraulic permeability of brain tumours can vary considerably depending on the tissue microstructure, compositions in interstitium and tumour cells. Its effects on drug transport and accumulation remain poorly understood. METHODS Mathematical modelling is applied to predict the drug delivery outcomes in tumours with different tissue permeability upon convection-enhanced delivery. The modelling is based on a 3-D realistic tumour model that is extracted from patient magnetic resonance images. RESULTS Modelling results show that infusing drugs into a permeable tumour can facilitate a more favourable hydraulic environment for drug transport. The infused drugs will exhibit a relatively uniform distribution and cover a larger tumour volume for effective cell killing. Cross-comparisons show the delivery outcomes are more sensitive to the changes in tissue hydraulic permeability and blood pressure than the fluid flow from the brain ventricle. Quantitative analyses demonstrate that increasing the fluid gain from both the blood and brain ventricle can further improve the interstitial fluid flow, and thereby enhance the delivery outcomes. Furthermore, similar responses to the changes in tissue hydraulic permeability can be found for different types of drugs. CONCLUSIONS Tissue hydraulic permeability as an intrinsic property can influence drug accumulation and distribution. Results from this study can deepen the understanding of the interplays between drug and tissues that are involved in the drug delivery processes in chemotherapy.
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7
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Alrbyawi H, Poudel I, Annaji M, Arnold RD, Tiwari AK, Babu RJ. Recent Advancements of Stimuli-Responsive Targeted Liposomal Formulations for Cancer Drug Delivery. Pharm Nanotechnol 2022; 10:3-23. [PMID: 35156590 DOI: 10.2174/2211738510666220214102626] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 01/09/2022] [Accepted: 01/18/2022] [Indexed: 11/22/2022]
Abstract
Liposomes have gained attention as a well-accepted nanocarrier for several chemotherapeutic drugs and are considered a drug delivery system of choice for a wide range of products. These amphipathic spherical vesicles primarily consist of one or more phospholipid bilayers, showing promise for drug delivery of both hydrophilic and hydrophobic components in addition to unique properties such as biocompatibility, biodegradability, low toxicity, and non-immunogenicity. Recent advances in liposomes are mainly centered on chemical and structural modification with the multifunctional approach to target the cancer cells activating the offensive mechanisms within the proximity of the tumors. Stimuli-responsive liposomes are a precisive approach to deliver and release chemotherapeutic drugs in the tumor site in a controlled fashion, thus reducing damage to normal tissues and preventing the side effects of the conventional chemotherapy regimen. The unique characteristics in the tumor microenvironment facilitate applying an endogenous stimulus (pH, redox potential, or enzymatic activity) to trigger the release of the drug, or external stimulus (heat or light) could be applied to tailor the drug release from liposomes. This review focuses on newer developments in stimuli-sensitive liposomal drug delivery systems designed to apply either exogenous (temperature, light, and magnetic field) or endogenous (pH changes, enzymatic triggers, or redox potential) approaches.
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Affiliation(s)
- Hamad Alrbyawi
- Department of Drug Discovery and Development, Harrison School of Pharmacy, Auburn University, AL 36849, USA
- Pharmaceutics and Pharmaceutical Technology Department, College of Pharmacy, Taibah University, Medina, Saudi Arabia
| | - Ishwor Poudel
- Department of Drug Discovery and Development, Harrison School of Pharmacy, Auburn University, AL 36849, USA
| | - Manjusha Annaji
- Department of Drug Discovery and Development, Harrison School of Pharmacy, Auburn University, AL 36849, USA
| | - Robert D Arnold
- Department of Drug Discovery and Development, Harrison School of Pharmacy, Auburn University, AL 36849, USA
| | - Amit K Tiwari
- Department of Pharmacology and Experimental Therapeutics, The University of Toledo, Toledo, Ohio, 43614, USA
| | - R Jayachandra Babu
- Department of Drug Discovery and Development, Harrison School of Pharmacy, Auburn University, AL 36849, USA
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8
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McLean K, Zhan W. Mathematical modelling of nanoparticle-mediated topical drug delivery to skin tissue. Int J Pharm 2022; 611:121322. [PMID: 34848364 DOI: 10.1016/j.ijpharm.2021.121322] [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] [Received: 08/30/2021] [Revised: 11/14/2021] [Accepted: 11/24/2021] [Indexed: 12/11/2022]
Abstract
Nanoparticles have been extensively studied to improve drug delivery outcomes, however, their use in topical delivery remains controversial. Although the feasibility to cross the human skin barrier has been demonstrated in experiments, the risk of low drug concentration in deep tissue still limits the application. In this study, mathematical modelling is employed to examine the performance of nanoparticle-mediated topical delivery for sending drugs into the deep skin tissue. The pharmacokinetic effect is evaluated based on the drug exposure over time. As compared to the delivery using plain drugs, nanoparticle-mediated topical delivery has the potential to significantly improve the drug exposure in deep skin tissue. Modelling predictions denote that the importance of sufficient long-term drug-skin contact in achieving effective drug deposition in the deep skin tissue. The delivery outcomes are highly sensitive to the release rate. Accelerating the release from nanoparticles in stratum corneum is able to improve the drug exposure in stratum corneum and viable epidermis while resulting in the reductions in dermis and blood. The release rate in stratum corneum and viable epidermis should be well-designed below a threshold for generating effective drug accumulation in dermis and blood. A more localised drug accumulation can be achieved in the capillary-rich region of dermis by increasing the local release rate. The release rate in dermis needs to be optimised to increase the drug exposure in the dermis region where there are fewer blood and lymphatics capillaries. Results from this study can be used to improve the regimen of topical delivery for localised treatment.
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Affiliation(s)
- Kevin McLean
- School of Engineering, King's College, University of Aberdeen, Aberdeen AB24 3UE, United Kingdom
| | - Wenbo Zhan
- School of Engineering, King's College, University of Aberdeen, Aberdeen AB24 3UE, United Kingdom.
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9
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Tehrani MHH, Soltani M, Moradi Kashkooli F, Mahmoudi M, Raahemifar K. Computational Modeling of Combination of Magnetic Hyperthermia and Temperature-Sensitive Liposome for Controlled Drug Release in Solid Tumor. Pharmaceutics 2021; 14:35. [PMID: 35056931 PMCID: PMC8778939 DOI: 10.3390/pharmaceutics14010035] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 12/14/2021] [Accepted: 12/20/2021] [Indexed: 12/12/2022] Open
Abstract
Combination therapy, a treatment modality that combines two or more therapeutic methods, provides a novel pathway for cancer treatment, as it targets the region of interest (ROI) in a characteristically synergistic or additive manner. To date, liposomes are the only nano-drug delivery platforms that have been used in clinical trials. Here, we speculated that it could be promising to improve treatment efficacy and reduce side effects by intravenous administration of thermo-sensitive liposomes loaded with doxorubicin (TSL-Dox) during magnetic hyperthermia (MHT). A multi-scale computational model using the finite element method was developed to simulate both MHT and temperature-sensitive liposome (TSL) delivery to a solid tumor to obtain spatial drug concentration maps and temperature profiles. The results showed that the killing rate of MHT alone was about 15%, which increased to 50% using the suggested combination therapy. The results also revealed that this combination treatment increased the fraction of killed cells (FKCs) inside the tumor compared to conventional chemotherapy by 15% in addition to reducing side effects. Furthermore, the impacts of vessel wall pore size, the time interval between TSL delivery and MHT, and the initial dose of TSLs were also investigated. A considerable reduction in drug accumulation was observed in the tumor by decreasing the vessel wall pore size of the tumor. The results also revealed that the treatment procedure plays an essential role in the therapeutic potential of anti-cancer drugs. The results suggest that the administration of MHT can be beneficial in the TSL delivery system and that it can be employed as a guideline for upcoming preclinical studies.
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Affiliation(s)
- Masoud H. H. Tehrani
- Department of Mechanical Engineering, K. N. Toosi University of Technology, Tehran 19967-15433, Iran; (M.H.H.T.); (F.M.K.)
| | - M. Soltani
- Department of Mechanical Engineering, K. N. Toosi University of Technology, Tehran 19967-15433, Iran; (M.H.H.T.); (F.M.K.)
- Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, ON N2L 3G1, Canada
- Centre for Biotechnology and Bioengineering (CBB), University of Waterloo, Waterloo, ON N2L 3G1, Canada
- Advanced Bioengineering Initiative Center, Multidisciplinary International Complex, K. N. Toosi University of Technology, Tehran 14176-14411, Iran
| | - Farshad Moradi Kashkooli
- Department of Mechanical Engineering, K. N. Toosi University of Technology, Tehran 19967-15433, Iran; (M.H.H.T.); (F.M.K.)
| | - Mohammadreza Mahmoudi
- School for Engineering of Matter, Transport & Energy, Arizona State University, Tempe, AZ 85287, USA;
| | - Kaamran Raahemifar
- Data Science and Artificial Intelligence Program, College of Information Sciences and Technology (IST), Penn State University, State College, Pennsylvania, PA 16801, USA;
- Department of Chemical Engineering, University of Waterloo, 200 University Avenue West, Waterloo, ON N2L 3G1, Canada
- School of Optometry and Vision Science, Faculty of Science, University of Waterloo, 200 University Avenue West, Waterloo, ON N2L 3G1, Canada
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10
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Mechanistic investigation of thermosensitive liposome immunogenicity and understanding the drivers for circulation half-life: A polyethylene glycol versus 1,2-dipalmitoyl-sn-glycero-3-phosphodiglycerol study. J Control Release 2021; 333:1-15. [DOI: 10.1016/j.jconrel.2021.03.014] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 03/10/2021] [Indexed: 12/18/2022]
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11
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Palmese LL, Fan M, Scott RA, Tan H, Kiick KL. Multi-stimuli-responsive, liposome-crosslinked poly(ethylene glycol) hydrogels for drug delivery. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2021; 32:635-656. [PMID: 33231137 PMCID: PMC8659393 DOI: 10.1080/09205063.2020.1855392] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 11/21/2020] [Accepted: 11/21/2020] [Indexed: 12/12/2022]
Abstract
The development of hybrid hydrogels has been of great interest over recent decades, especially in the field of biomaterials. Such hydrogels provide various opportunities in tissue engineering, drug delivery, and regenerative medicine due to their ability to mimic cellular environments, sequester and release therapeutic agents, and respond to stimuli. Herein we report the synthesis and characterization of an injectable poly(ethylene glycol) hydrogel crosslinked via thiol-maleimide reactions and containing both chemically crosslinked temperature-sensitive liposomes (TSLs) and matrix metalloproteinase-sensitive peptide crosslinks. Rheological studies demonstrate that the hydrogel is mechanically stable and can be synthesized to achieve a range of physically applicable moduli. Experiments characterizing the in situ drug delivery and degradation of these materials indicate that the TSL gel responds to both thermal and enzymatic stimuli in a local environment. Doxorubicin, a widely used anticancer drug, was loaded in the TSLs with a high encapsulation efficiency and the subsequent release was temperature dependent. Finally, TSLs did not compromise viability and proliferation of human and murine fibroblasts, supporting the use of these hydrogel-linked liposomes as a thermo-responsive drug carrier for controlled release.
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Affiliation(s)
- Luisa L Palmese
- Department of Materials Science and Engineering, University of Delaware, Newark, DE, USA
- Delaware Biotechnology Institute, University of Delaware, Newark, DE, USA
| | - Ming Fan
- School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, China
| | - Rebecca A Scott
- Department of Materials Science and Engineering, University of Delaware, Newark, DE, USA
- Delaware Biotechnology Institute, University of Delaware, Newark, DE, USA
| | - Huaping Tan
- School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, China
| | - Kristi L Kiick
- Department of Materials Science and Engineering, University of Delaware, Newark, DE, USA
- Delaware Biotechnology Institute, University of Delaware, Newark, DE, USA
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12
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Light-induced release of the cardioprotective peptide angiotensin-(1–9) from thermosensitive liposomes with gold nanoclusters. J Control Release 2020; 328:859-872. [DOI: 10.1016/j.jconrel.2020.11.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 10/11/2020] [Accepted: 11/01/2020] [Indexed: 11/24/2022]
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13
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Ayesa U, Chong PLG. Polar Lipid Fraction E from Sulfolobus acidocaldarius and Dipalmitoylphosphatidylcholine Can Form Stable yet Thermo-Sensitive Tetraether/Diester Hybrid Archaeosomes with Controlled Release Capability. Int J Mol Sci 2020; 21:ijms21218388. [PMID: 33182284 PMCID: PMC7664881 DOI: 10.3390/ijms21218388] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 10/31/2020] [Accepted: 11/04/2020] [Indexed: 12/29/2022] Open
Abstract
Archaeosomes have drawn increasing attention in recent years as novel nano-carriers for therapeutics. The main obstacle of using archaeosomes for therapeutics delivery has been the lack of an efficient method to trigger the release of entrapped content from the otherwise extremely stable structure. Our present study tackles this long-standing problem. We made hybrid archaeosomes composed of tetraether lipids, called the polar lipid fraction E (PLFE) isolated from the thermoacidophilic archaeon Sulfolobus acidocaldarius, and the synthetic diester lipid dipalmitoylphosphatidylcholine (DPPC). Differential polarized phase-modulation and steady-state fluorometry, confocal fluorescence microscopy, zeta potential (ZP) measurements, and biochemical assays were employed to characterize the physical properties and drug behaviors in PLFE/DPPC hybrid archaeosomes in the presence and absence of live cells. We found that PLFE lipids have an ordering effect on fluid DPPC liposomal membranes, which can slow down the release of entrapped drugs, while PLFE provides high negative charges on the outer surface of liposomes, which can increase vesicle stability against coalescence among liposomes or with cells. Furthermore, we found that the zeta potential in hybrid archaeosomes with 30 mol% PLFE and 70 mol% DPPC (designated as PLFE/DPPC(3:7) archaeosomes) undergoes an abrupt increase from −48 mV at 37 °C to −16 mV at 44 °C (termed the ZP transition), which we hypothesize results from DPPC domain melting and PLFE lipid ‘flip-flop’. The anticancer drug doxorubicin (DXO) can be readily incorporated into PLFE/DPPC(3:7) archaeosomes. The rate constant of DXO release from PLFE/DPPC(3:7) archaeosomes into Tris buffer exhibited a sharp increase (~2.5 times), when the temperature was raised from 37 to 42 °C, which is believed to result from the liposomal structural changes associated with the ZP transition. This thermo-induced sharp increase in drug release was not affected by serum proteins as a similar temperature dependence of drug release kinetics was observed in human blood serum. A 15-min pre-incubation of PLFE/DPPC(3:7) archaeosomal DXO with MCF-7 breast cancer cells at 42 °C caused a significant increase in the amount of DXO entering into the nuclei and a considerable increase in the cell’s cytotoxicity under the 37 °C growth temperature. Taken together, our data suggests that PLFE/DPPC(3:7) archaeosomes are stable yet potentially useful thermo-sensitive liposomes wherein the temperature range (from 37 to 42–44 °C) clinically used for mild hyperthermia treatment of tumors can be used to trigger drug release for medical interventions.
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14
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Amin M, Huang W, Seynhaeve ALB, ten Hagen TLM. Hyperthermia and Temperature-Sensitive Nanomaterials for Spatiotemporal Drug Delivery to Solid Tumors. Pharmaceutics 2020; 12:E1007. [PMID: 33105816 PMCID: PMC7690578 DOI: 10.3390/pharmaceutics12111007] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 10/18/2020] [Accepted: 10/19/2020] [Indexed: 02/07/2023] Open
Abstract
Nanotechnology has great capability in formulation, reduction of side effects, and enhancing pharmacokinetics of chemotherapeutics by designing stable or long circulating nano-carriers. However, effective drug delivery at the cellular level by means of such carriers is still unsatisfactory. One promising approach is using spatiotemporal drug release by means of nanoparticles with the capacity for content release triggered by internal or external stimuli. Among different stimuli, interests for application of external heat, hyperthermia, is growing. Advanced technology, ease of application and most importantly high level of control over applied heat, and as a result triggered release, and the adjuvant effect of hyperthermia in enhancing therapeutic response of chemotherapeutics, i.e., thermochemotherapy, make hyperthermia a great stimulus for triggered drug release. Therefore, a variety of temperature sensitive nano-carriers, lipid or/and polymeric based, have been fabricated and studied. Importantly, in order to achieve an efficient therapeutic outcome, and taking the advantages of thermochemotherapy into consideration, release characteristics from nano-carriers should fit with applicable clinical thermal setting. Here we introduce and discuss the application of the three most studied temperature sensitive nanoparticles with emphasis on release behavior and its importance regarding applicability and therapeutic potentials.
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Affiliation(s)
- Mohamadreza Amin
- Laboratory of Experimental Oncology (LEO), Department of Pathology, Erasmus Medical Center, 3015GE Rotterdam, The Netherlands; (M.A.); (W.H.); (A.L.B.S.)
- Nanomedicine Innovation Center Erasmus (NICE), Erasmus Medical Center, 3015GE Rotterdam, The Netherlands
| | - Wenqiu Huang
- Laboratory of Experimental Oncology (LEO), Department of Pathology, Erasmus Medical Center, 3015GE Rotterdam, The Netherlands; (M.A.); (W.H.); (A.L.B.S.)
| | - Ann L. B. Seynhaeve
- Laboratory of Experimental Oncology (LEO), Department of Pathology, Erasmus Medical Center, 3015GE Rotterdam, The Netherlands; (M.A.); (W.H.); (A.L.B.S.)
| | - Timo L. M. ten Hagen
- Laboratory of Experimental Oncology (LEO), Department of Pathology, Erasmus Medical Center, 3015GE Rotterdam, The Netherlands; (M.A.); (W.H.); (A.L.B.S.)
- Nanomedicine Innovation Center Erasmus (NICE), Erasmus Medical Center, 3015GE Rotterdam, The Netherlands
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15
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Moradi Kashkooli F, Soltani M, Souri M. Controlled anti-cancer drug release through advanced nano-drug delivery systems: Static and dynamic targeting strategies. J Control Release 2020; 327:316-349. [PMID: 32800878 DOI: 10.1016/j.jconrel.2020.08.012] [Citation(s) in RCA: 181] [Impact Index Per Article: 45.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 08/07/2020] [Accepted: 08/08/2020] [Indexed: 12/14/2022]
Abstract
Advances in nanomedicine, including early cancer detection, targeted drug delivery, and personalized approaches to cancer treatment are on the rise. For example, targeted drug delivery systems can improve intracellular delivery because of their multifunctionality. Novel endogenous-based and exogenous-based stimulus-responsive drug delivery systems have been proposed to prevent the cancer progression with proper drug delivery. To control effective dose loading and sustained release, targeted permeability and individual variability can now be described in more-complex ways, such as by combining internal and external stimuli. Despite these advances in release control, certain challenges remain and are identified in this research, which emphasizes the control of drug release and applications of nanoparticle-based drug delivery systems. Using a multiscale and multidisciplinary approach, this study investigates and analyzes drug delivery and release strategies in the nanoparticle-based treatment of cancer, both mathematically and clinically.
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Affiliation(s)
- Farshad Moradi Kashkooli
- Department of Mechanical Engineering, K. N. Toosi University of Technology, Tehran, Iran; Department of Applied Mathematics, University of Waterloo, Waterloo, ON, Canada..
| | - M Soltani
- Department of Mechanical Engineering, K. N. Toosi University of Technology, Tehran, Iran; Advanced Bioengineering Initiative Center, Computational Medicine Center, K. N. Toosi University of Technology, Tehran, Iran; Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, ON, Canada; Centre for Biotechnology and Bioengineering (CBB), University of Waterloo, Waterloo, ON, Canada; Cancer Biology Research Center, Cancer Institute of Iran, Tehran University of Medical Sciences, Tehran, Iran.
| | - Mohammad Souri
- Department of Mechanical Engineering, K. N. Toosi University of Technology, Tehran, Iran.
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16
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Rezaeian M, Sedaghatkish A, Soltani M. Numerical modeling of high-intensity focused ultrasound-mediated intraperitoneal delivery of thermosensitive liposomal doxorubicin for cancer chemotherapy. Drug Deliv 2020; 26:898-917. [PMID: 31526065 PMCID: PMC6758722 DOI: 10.1080/10717544.2019.1660435] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Although intraperitoneal chemotherapy (IPC) has been suggested as a promising method for the management of peritoneal dissemination (PD) of ovarian or colorectal cancers, the actual clinical use of this method has been restricted due to such problems as poor drug penetration into the tumor and high side effects. It is, therefore, necessary to develop new strategies to improve the efficacy of this approach. In the present work, a new strategy is proposed based on intraperitoneal (IP) injection of thermosensitive liposomal doxorubicin (TSL-Dox) with triggered release by mild hyperthermia induced by high intensity focused ultrasound (HIFU). A computational model is developed to evaluate the proposed drug delivery system. Results show an order of magnitude increase in drug penetration depth into the tumor compared to the conventional IP delivery. Furthermore, the effects of thermal conditions applied to the tumor, TSL size, tumor vessel permeability, and tumor size are investigated. Results indicate an improved efficiency of the drug delivery by expanding the heated region, yet, it increases the risk of unintentional TSL drug load release in the peritoneal cavity. Results also indicate that smaller TSLs have better treatment outcome. However, there is a significant reduction in treatment efficacy for TSLs with sizes smaller than the vessel wall pore size. Thus, tuning the size of TSL should be based on the tumor microvascular permeability. The simulation results suggest that the TSL-Dox delivery system in smaller tumors is far advantageous than larger ones. Results of our model can be used as guidelines for future preclinical studies.
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Affiliation(s)
- Mohsen Rezaeian
- Department of Mechanical Engineering, K. N. Toosi University of Technology , Tehran , Iran
| | - Amir Sedaghatkish
- Department of Mechanical Engineering, Isfahan University of Technology , Isfahan , Iran
| | - M Soltani
- Department of Mechanical Engineering, K. N. Toosi University of Technology , Tehran , Iran.,Advanced Bioengineering Initiative Center, Computational Medicine Center, K. N. Toosi University of Technology , Tehran , Iran.,Department of Electrical and Computer Engineering, University of Waterloo , Waterloo , Canada.,Centre for Biotechnology and Bioengineering (CBB), University of Waterloo , Waterloo , Canada.,Cancer Biology Research Center, Cancer Institute of Iran, Tehran University of Medical Sciences , Tehran , Iran
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17
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Ding L, Cui X, Jiang R, Zhou K, Wen Y, Wang C, Yue Z, Shen S, Pan X. Design, Synthesis and Characterization of a Novel Type of Thermo-Responsible Phospholipid Microcapsule-Alginate Composite Hydrogel for Drug Delivery. Molecules 2020; 25:E694. [PMID: 32041216 PMCID: PMC7037032 DOI: 10.3390/molecules25030694] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Revised: 02/02/2020] [Accepted: 02/03/2020] [Indexed: 01/26/2023] Open
Abstract
Liposomes are extensively used in drug delivery, while alginates are widely used in tissue engineering. However, liposomes are usually thermally unstable and drug-leaking when in liquids, while the drug carriers made of alginates show low loading capacities when used for drug delivery. Herein, we developed a type of thermo-responsible liposome-alginate composite hydrogel (TSPMAH) by grafting thermo-responsive liposomes onto alginates by using Ca2+ mediated bonding between the phosphatidic serine (PS) in the liposome membrane and the alginate. The temperature-sensitivity of the liposomes was actualized by using phospholipids comprising dipalmitoylphosphatidylcholine (DPPC) and PS and the liposomes were prepared by a thin-film dispersion method. The TSPMAH was then successfully prepared by bridge-linking the microcapsules onto the alginate hydrogel via PS-Ca2+-Carboxyl-alginate interaction. Characterizations of the TSPMAH were carried out using scanning electron microscopy, transform infrared spectroscopy, and laser scanning confocal microscopy, respectively. Their rheological property was also characterized by using a rheometer. Cytotoxicity evaluations of the TSPMAH showed that the composite hydrogel was biocompatible, safe, and non-toxic. Further, loading and thermos-inducible release of model drugs encapsulated by the TSPMAH as a drug carrier system was also studied by making protamine-siRNA complex-carrying TSPMAH drug carriers. Our results indicated that the TSPMAH described herein has great potentials to be further developed into an intelligent drug delivery system.
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Affiliation(s)
- Liang Ding
- Medical College, Hebei University, Baoding 071000, China; (L.D.); (R.J.); (Y.W.)
| | - Xinxia Cui
- College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China; (X.C.); (K.Z.); (C.W.)
| | - Rui Jiang
- Medical College, Hebei University, Baoding 071000, China; (L.D.); (R.J.); (Y.W.)
| | - Keya Zhou
- College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China; (X.C.); (K.Z.); (C.W.)
| | - Yalei Wen
- Medical College, Hebei University, Baoding 071000, China; (L.D.); (R.J.); (Y.W.)
| | - Chenfeng Wang
- College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China; (X.C.); (K.Z.); (C.W.)
| | - Zhilian Yue
- Intelligent Polymer Research Institute, AIIM Facility, University of Wollongong, Wollongong, NSW 2522, Australia;
| | - Shigang Shen
- College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China; (X.C.); (K.Z.); (C.W.)
| | - Xuefeng Pan
- Medical College, Hebei University, Baoding 071000, China; (L.D.); (R.J.); (Y.W.)
- College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China; (X.C.); (K.Z.); (C.W.)
- School of Life Science, Beijing Institute of Technology, Beijing 100081, China
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18
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Zhan W. Effects of Focused-Ultrasound-and-Microbubble-Induced Blood-Brain Barrier Disruption on Drug Transport under Liposome-Mediated Delivery in Brain Tumour: A Pilot Numerical Simulation Study. Pharmaceutics 2020; 12:pharmaceutics12010069. [PMID: 31952336 PMCID: PMC7022263 DOI: 10.3390/pharmaceutics12010069] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2019] [Revised: 12/17/2019] [Accepted: 01/09/2020] [Indexed: 12/21/2022] Open
Abstract
Focused ultrasound (FUS) coupled with microbubbles (MB) has been found to be a promising approach to disrupt the blood-brain barrier (BBB). However, how this disruption affects drug transport remains unclear. In this study, drug transport in combination therapy of liposomes and FUS-MB-induced BBB disruption (BBBD) was investigated based on a multiphysics model. A realistic 3D brain tumour model extracted from MR images was applied. The results demonstrated the advantage of liposomes compared to free doxorubicin injection in further improving treatment when the BBB is opened under the same delivery conditions using burst sonication. This improvement was mainly due to the BBBD-enhanced transvascular transport of free doxorubicin and the sustainable supply of the drug by long-circulating liposomes. Treatment efficacy can be improved in different ways. Disrupting the BBB simultaneously with liposome bolus injection enables more free drug molecules to cross the vessel wall, while prolonging the BBBD duration could accelerate liposome transvascular transport for more effective drug release. However, the drug release rate needs to be well controlled to balance the trade-off among drug release, transvascular exchange and elimination. The results obtained in this study could provide suggestions for the future optimisation of this FUS-MB–liposome combination therapy against brain cancer.
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Affiliation(s)
- Wenbo Zhan
- School of Engineering, University of Aberdeen, Aberdeen AB24 3UE, UK; ; Tel.: +44-(0)1224-272511
- Department of Mechanical Engineering, Imperial College London, London SW7 2AZ, UK
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19
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Abri Aghdam M, Bagheri R, Mosafer J, Baradaran B, Hashemzaei M, Baghbanzadeh A, de la Guardia M, Mokhtarzadeh A. Recent advances on thermosensitive and pH-sensitive liposomes employed in controlled release. J Control Release 2019; 315:1-22. [DOI: 10.1016/j.jconrel.2019.09.018] [Citation(s) in RCA: 78] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 09/26/2019] [Accepted: 09/27/2019] [Indexed: 12/12/2022]
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20
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Tucci ST, Kheirolomoom A, Ingham ES, Mahakian LM, Tam SM, Foiret J, Hubbard NE, Borowsky AD, Baikoghli M, Cheng RH, Ferrara KW. Tumor-specific delivery of gemcitabine with activatable liposomes. J Control Release 2019; 309:277-288. [PMID: 31301340 DOI: 10.1016/j.jconrel.2019.07.014] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2019] [Revised: 07/05/2019] [Accepted: 07/10/2019] [Indexed: 12/18/2022]
Abstract
Gemcitabine delivery to pancreatic ductal adenocarcinoma is limited by poor pharmacokinetics, dense fibrosis and hypo-vascularization. Activatable liposomes, with drug release resulting from local heating, enhance serum stability and circulation, and the released drug retains the ability to diffuse within the tumor. A limitation of liposomal gemcitabine has been the low loading efficiency. To address this limitation, we used the superior solubilizing potential of copper (II) gluconate to form a complex with gemcitabine at copper:gemcitabine (1:4). Thermosensitive liposomes composed of DPPC:DSPC:DSPE-PEG2k (80:15:5, mole%) then reached 12 wt% loading, 4-fold greater than previously reported values. Cryo transmission electron microscopy confirmed the presence of a liquid crystalline gemcitabine‑copper mixture. The optimized gemcitabine liposomes released 60% and 80% of the gemcitabine within 1 and 5 min, respectively, at 42 °C. Liposomal encapsulation resulted in a circulation half-life of ~2 h in vivo (compared to reported circulation of 16 min for free gemcitabine in mice), and free drug was not detected within the plasma. The resulting gemcitabine liposomes were efficacious against both murine breast cancer and pancreatic cancer in vitro. Three repeated treatments of activatable gemcitabine liposomes plus ultrasound hyperthermia regressed or eliminated tumors in the neu deletion model of murine breast cancer with limited toxicity, enhancing survival when compared to treatment with gemcitabine alone. With 5% of the free gemcitabine dose (5 rather than 100 mg/kg), tumor growth was suppressed to the same degree as gemcitabine. Additionally, in a more aggressive tumor model of murine pancreatic cancer, liposomal gemcitabine combined with local hyperthermia induced cell death and regions of apoptosis and necrosis.
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Affiliation(s)
- Samantha T Tucci
- University of California, Davis, Department of Biomedical Engineering, Davis, CA 95616, USA
| | - Azadeh Kheirolomoom
- University of California, Davis, Department of Biomedical Engineering, Davis, CA 95616, USA; Stanford University, Department of Radiology, 3165 Porter Drive, Palo Alto, CA 94304, USA
| | - Elizabeth S Ingham
- University of California, Davis, Department of Biomedical Engineering, Davis, CA 95616, USA
| | - Lisa M Mahakian
- University of California, Davis, Department of Biomedical Engineering, Davis, CA 95616, USA
| | - Sarah M Tam
- University of California, Davis, Department of Biomedical Engineering, Davis, CA 95616, USA
| | - Josquin Foiret
- Stanford University, Department of Radiology, 3165 Porter Drive, Palo Alto, CA 94304, USA
| | - Neil E Hubbard
- University of California, Davis, Center for Comparative Medicine, Davis, CA 95616, USA
| | - Alexander D Borowsky
- University of California, Davis, Center for Comparative Medicine, Davis, CA 95616, USA
| | - Mo Baikoghli
- University of California, Davis, Department of Molecular and Cellular Biology, Davis, CA 95616, USA
| | - R Holland Cheng
- University of California, Davis, Department of Molecular and Cellular Biology, Davis, CA 95616, USA
| | - Katherine W Ferrara
- Stanford University, Department of Radiology, 3165 Porter Drive, Palo Alto, CA 94304, USA.
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21
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Bi H, Xue J, Jiang H, Gao S, Yang D, Fang Y, Shi K. Current developments in drug delivery with thermosensitive liposomes. Asian J Pharm Sci 2019; 14:365-379. [PMID: 32104466 PMCID: PMC7032122 DOI: 10.1016/j.ajps.2018.07.006] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Revised: 06/26/2018] [Accepted: 07/25/2018] [Indexed: 12/19/2022] Open
Abstract
Thermosensitive liposomes (TSLs) have been an important research area in the field of tumor targeted chemotherapy. Since the first TSLs appeared that using 1,2-dipalmitoyl-sn-glyce-ro-3-phosphocholine (DPPC) as the primary liposomal lipid, many studies have been done using this type of liposome from basic and practical aspects. While TSLs composed of DPPC enhance the cargo release near the phase transition temperature, it has been shown that many factors affect their temperature sensitivity. Thus numerous attempts have been undertaken to develop new TSLs for improving their thermal response performance. The main objective of this review is to introduce the development and recent update of innovative TSLs formulations, including combination of radiofrequency ablation (RFA), high-intensity focused ultrasound (HIFU), magnetic resonance imaging (MRI) and alternating magnetic field (AMF). In addition, various factors affecting the design of TSLs, such as lipid composition, surfactant, size and serum components are also discussed.
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Key Words
- (DPPC), 1,2-dipalmitoyl-sn-glycero-3-phosphatidylcholine
- (DPPGOG), 1,2-dipalmitoyl-sn-glycero-3-phosphoglyceroglycerol
- (DSPC), 1,2-distearoyl-sn-glycero-3-phosphocholine
- (DSPE-mPEG2000), 1,2-distearoyl-sn-glycero-3-phosphatiylethanol-amine-N-[methoxy(polyethyleneglycol)-2000]
- (LTSLs), lyso-lipid temperature sensitive liposomes
- (MPPC), 1-myristoyl-2-palmitoyl-sn-glycero-3-phosphatidylcholine
- (MSPC), 1-stearoyl-2-hydroxy-sn-glycero-3-phosphatidylcholine
- (P-lyso-PC), lysophosphatidylcholine
- (P188), 1-palmitoyl-2-stearoyl-sn-glycero-3-phosphatidylcholinex
- (P188), HO-(C2H4O)a-(C3H6O)b-(C2H4O)c-H, a=80, b=27, c=80
- Content release rate
- Drug delivery
- Hyperthermia
- Smart liposomes
- Thermosensitive liposomes
- Tumor chemotherapy
- fTSLs, fast release TSLs
- sTSLs, slow release TSLs
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Affiliation(s)
- Hongshu Bi
- Institute of New Drug Development, Liaoning Yaolian Pharmaceutical Co., Ltd., Benxi, Liaoning 117004, China
| | - Jianxiu Xue
- School of Pharmacy, Shenyang Pharmaceutical University, Benxi, Liaoning 117004, China
| | - Hong Jiang
- School of Pharmacy, Shenyang Pharmaceutical University, Benxi, Liaoning 117004, China
| | - Shan Gao
- School of Pharmacy, Shenyang Pharmaceutical University, Benxi, Liaoning 117004, China
| | - Dongjuan Yang
- School of Pharmacy, Shenyang Pharmaceutical University, Benxi, Liaoning 117004, China
| | - Yan Fang
- School of Pharmacy, Shenyang Pharmaceutical University, Benxi, Liaoning 117004, China
| | - Kai Shi
- School of Pharmacy, Shenyang Pharmaceutical University, Benxi, Liaoning 117004, China
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22
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Zhan W, Gedroyc W, Xu XY. Towards a multiphysics modelling framework for thermosensitive liposomal drug delivery to solid tumour combined with focused ultrasound hyperthermia. BIOPHYSICS REPORTS 2019. [DOI: 10.1007/s41048-019-0083-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
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23
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Zhan W. Delivery of liposome encapsulated temozolomide to brain tumour: Understanding the drug transport for optimisation. Int J Pharm 2019; 557:280-292. [DOI: 10.1016/j.ijpharm.2018.12.065] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Revised: 12/03/2018] [Accepted: 12/18/2018] [Indexed: 10/27/2022]
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24
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van Elk M, van den Dikkenberg JB, Storm G, Hennink WE, Vermonden T, Heger M. Preclinical evaluation of thermosensitive poly(N-(2-hydroxypropyl) methacrylamide mono/dilactate)-grafted liposomes for cancer thermochemotherapy. Int J Pharm 2018; 550:190-199. [PMID: 30130606 DOI: 10.1016/j.ijpharm.2018.08.027] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2018] [Revised: 08/14/2018] [Accepted: 08/16/2018] [Indexed: 01/15/2023]
Abstract
Thermosensitive liposomes grafted with cholesterol-conjugated poly(N-(2-hydroxypropyl) methacrylamide mono/dilactate) (chol-pHPMAlac) have been developed for heat-induced release of doxorubicin (DOX). These liposomes release DOX completely during mild hyperthermia, but their interaction with blood cells and cancer cells has not been studied. Following intravenous administration, liposomes may interact with plasma proteins and various types of cells (e.g., endothelial cells, platelets, and macrophages), which would reduce their disposition in the tumor stroma. Interaction between liposomes and platelets may further cause platelet activation and thrombosis, which could lead to vascular occlusion and thromboembolic complications. The aim was to investigate DOX release kinetics in the presence of serum, stability, in vitro uptake by and toxicity to cancer cells and somatic cells, and platelet activating potential of the chol-pHPMAlac liposomes. DOX release was determined spectrofluorometrically. Liposome stability was determined in buffer and serum by dynamic light scattering and nanoparticle tracking analysis. Association with/uptake by and toxicity of empty liposomes to AML-12, HepG2 (both hepatocyte-derived cancer cells), RAW 264.7 (macrophages), and HUVEC (endothelial) cells was assayed in vitro. Platelet activation was determined by analysis of P-selectin expression and fibrinogen binding. DOPE:EPC liposomes (diameter = 135 nm) grafted with 5% chol-pHPMAlac (cloud point (CP) = 16 °C; Mn = 8.5 kDa) released less than 10% DOX at 37 °C in 30 min, whereas complete release took place at 47 °C or higher within 10 min. The size of these liposomes remained stable in buffer and serum during 24 h at 37 °C. Fluorescently labeled but DOX-lacking chol-pHPMAlac-liposomes exhibited poor association with/uptake by all cells under investigation, were not cytotoxic, and did not activate platelets in both buffered solution and whole blood. In conclusion, thermosensitive chol-pHPMAlac-grafted liposomes rapidly release DOX during mild hyperthermia. The liposomes are stable in a physiological milieu, are not taken up by cells that are encountered in an in vivo setting, and are non-antagonistic towards platelets. Chol-pHPMAlac-grafted liposomes are therefore good candidates for DOX delivery to tumors and temperature-triggered release in tumor stroma.
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Affiliation(s)
- Merel van Elk
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands
| | - Joep B van den Dikkenberg
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands
| | - Gert Storm
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands
| | - Wim E Hennink
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands
| | - Tina Vermonden
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands.
| | - Michal Heger
- Department of Experimental Surgery, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands; Membrane Biochemistry and Biophysics, Bijvoet Center for Biomolecular Research, Institute of Biomembranes, Utrecht University, Utrecht, The Netherlands.
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25
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Zhan W, Wang CH. Convection enhanced delivery of liposome encapsulated doxorubicin for brain tumour therapy. J Control Release 2018; 285:212-229. [PMID: 30009891 DOI: 10.1016/j.jconrel.2018.07.006] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2018] [Revised: 06/04/2018] [Accepted: 07/02/2018] [Indexed: 10/28/2022]
Abstract
Convection enhanced delivery is promising to overcome the blood brain barrier. However, the treatment is less efficient in clinic due to the rapid elimination of small molecular drugs in brain tumours. In this study, numerical simulation is applied to investigate the convection enhanced delivery of liposome encapsulated doxorubicin under various conditions, based on a 3-D brain tumour model that is reconstructed from magnetic resonance images. Treatment efficacy is evaluated in terms of the tumour volume where the free doxorubicin concentration is above LD90. Simulation results denote that intracerebral infusion is effective in increasing the interstitial fluid velocity and inhibiting the fluid leakage from blood around the infusion site. Comparisons with direct doxorubicin infusion demonstrate the advantages of liposomes in enhancing the doxorubicin accumulation and penetration in the brain tumour. Delivery outcomes are determined by both the intratumoural environment and properties of therapeutic agents. The treatment efficacy can be improved by either increasing the liposome solution concentration and infusion rate, administrating liposomes in the tumour with normalised microvasculature density, or using liposomes with low vascular permeability. The delivery is less sensitive to liposome diffusivity in the examined range (E-11~E-7 cm2/s) as convective transport is dominative in determining the liposome migration. Drug release rate is able to be optimised by keeping a trade-off between enhancing the drug penetration and providing sufficient free doxorubicin for effective cell killing. Results from this study can be used to improve the regimen of CED treatments.
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Affiliation(s)
- Wenbo Zhan
- Department of Mechanical Engineering, Imperial College London, South Kensington Campus, London, United Kingdom.
| | - Chi-Hwa Wang
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore.
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26
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pH-sensitive charge-conversional and NIR responsive bubble-generating liposomal system for synergetic thermo-chemotherapy. Colloids Surf B Biointerfaces 2018; 167:104-114. [DOI: 10.1016/j.colsurfb.2018.04.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Revised: 03/28/2018] [Accepted: 04/01/2018] [Indexed: 11/22/2022]
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27
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Membrane Loaded Copper Oleate PEGylated Liposome Combined with Disulfiram for Improving Synergistic Antitumor Effect In Vivo. Pharm Res 2018; 35:147. [DOI: 10.1007/s11095-018-2414-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Accepted: 04/19/2018] [Indexed: 12/13/2022]
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28
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Tang WL, Tang WH, Li SD. Cancer theranostic applications of lipid-based nanoparticles. Drug Discov Today 2018; 23:1159-1166. [DOI: 10.1016/j.drudis.2018.04.007] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Revised: 04/05/2018] [Accepted: 04/09/2018] [Indexed: 12/18/2022]
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29
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Ho L, Bokharaei M, Li SD. Current update of a thermosensitive liposomes composed of DPPC and Brij78. J Drug Target 2018; 26:407-419. [DOI: 10.1080/1061186x.2017.1419361] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Laurence Ho
- Faculty of Pharmaceutical Sciences, The University of British Columbia, Vancouver, BC, Canada
| | - Mehrdad Bokharaei
- Faculty of Pharmaceutical Sciences, The University of British Columbia, Vancouver, BC, Canada
| | - Shyh-Dar Li
- Faculty of Pharmaceutical Sciences, The University of British Columbia, Vancouver, BC, Canada
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30
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Convection enhanced delivery of chemotherapeutic drugs into brain tumour. J Control Release 2017; 271:74-87. [PMID: 29274437 DOI: 10.1016/j.jconrel.2017.12.020] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Revised: 11/18/2017] [Accepted: 12/20/2017] [Indexed: 01/17/2023]
Abstract
Convection enhanced delivery (CED) of chemotherapeutic drugs can successfully bypass the blood-brain barrier (BBB). However, the treatment efficacy is significantly variable in clinic owing to the absence of proper drugs and the lack of understanding on the local drug transport. In this study, mathematical modelling is employed to investigate the suitability of six chemotherapeutic drugs from the perspective of intratumoural transport, including fluorouracil, carmustine, cisplatin, methotrexate, doxorubicin and paclitaxel. The convection/diffusion/reaction model coupled with Darcy's law is applied to a 3-D realistic brain tumour model that is extracted from magnetic resonance (MR) images. The modelling demonstrates the advantages of CED in enhancing the convective flow of interstitial fluid and reducing the drug concentration dilution caused by the fluid loss from blood stream in the tumour region around the infusion site. The delivery outcomes of the drug in CED treatments are strongly dependent on its physicochemical properties. Convection is more effective in determining the transport of paclitaxel and methotrexate in brain tumour. Paclitaxel exhibits its superiority in drug penetration and accumulation, resulting in the largest effective delivery volume as compared to the other studied drugs. Nanocarrier and diagnostic ultrasound are able to enhance the drug penetration for achieving improved delivery outcomes. Results obtained in this study can serve as a guide for optimising CED treatment regimens.
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Chen MM, Liu YY, Su GH, Song FF, Liu Y, Zhang QQ. NIR responsive liposomal system for rapid release of drugs in cancer therapy. Int J Nanomedicine 2017; 12:4225-4239. [PMID: 28652729 PMCID: PMC5473596 DOI: 10.2147/ijn.s130861] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
To design a rapid release liposomal system for cancer therapy, a NIR responsive bubble-generating thermosensitive liposome (BTSL) system combined with photothermal agent (Cypate), doxorubicin (DOX), and NH4HCO3 was developed. Cypate/DOX-BTSL exhibited a good aqueous stability, photostability, and photothermal effect. In vitro release suggested that the amounts of DOX released from BTSL were obviously higher than that of (NH4)2SO4 liposomes at 42°C. After NIR irradiation, the hyperthermic temperature induced by Cypate led to the decomposition of NH4HCO3 and the generation of a large number of CO2 bubbles, triggering a rapid release of drugs. Confocal laser scanning microscope and acridine orange staining indicated that Cypate/DOX-BTSL upon irradiation could facilitate to disrupt the lysosomal membranes and realize endolysosomal escape into cytosol, improving the intracellular uptake of DOX clearly. MTT and trypan blue staining implied that the cell damage of Cypate/DOX-BTSL with NIR irradiation was more severe than that in the groups without irradiation. In vivo results indicated that Cypate/DOX-BTSL with irradiation could dramatically increase the accumulation of DOX in tumor, inhibit tumor growth, and reduce systemic side effects of DOX. These data demonstrated that Cypate/DOX-BTSL has the potential to be used as a NIR responsive liposomal system for a rapid release of drugs in thermochemotherapy.
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Affiliation(s)
- Ming-Mao Chen
- Institute of Biomedical and Pharmaceutical Technology, Fuzhou University, Fuzhou
| | - Yuan-Yuan Liu
- Institute of Biomedical and Pharmaceutical Technology, Fuzhou University, Fuzhou
| | - Guang-Hao Su
- Institute of Pediatric Research, Children’s Hospital of Soochow University, Suzhou
| | - Fei-Fei Song
- Institute of Biomedical and Pharmaceutical Technology, Fuzhou University, Fuzhou
| | - Yan Liu
- State Key Lab of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou
| | - Qi-Qing Zhang
- Institute of Biomedical and Pharmaceutical Technology, Fuzhou University, Fuzhou
- Key Laboratory of Biomedical Material of Tianjin, Institute of Biomedical Engineering, Chinese Academy of Medical Science & Peking Union Medical College, Tianjin, People’s Republic of China
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Janicka M, Gubernator J. Use of nanotechnology for improved pharmacokinetics and activity of immunogenic cell death inducers used in cancer chemotherapy. Expert Opin Drug Deliv 2016; 14:1059-1075. [DOI: 10.1080/17425247.2017.1266333] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Martyna Janicka
- Faculty of Biotechnology, Department of Lipids and Liposomes, University of Wroclaw, Wroclaw, Poland
| | - Jerzy Gubernator
- Faculty of Biotechnology, Department of Lipids and Liposomes, University of Wroclaw, Wroclaw, Poland
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33
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Nanomedicines for advanced cancer treatments: Transitioning towards responsive systems. Int J Pharm 2016; 515:132-164. [DOI: 10.1016/j.ijpharm.2016.10.013] [Citation(s) in RCA: 71] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Revised: 10/04/2016] [Accepted: 10/05/2016] [Indexed: 12/14/2022]
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Iron(III)-Based Magnetic Resonance–Imageable Liposomal T1 Contrast Agent for Monitoring Temperature-Induced Image-Guided Drug Delivery. Invest Radiol 2016; 51:735-745. [DOI: 10.1097/rli.0000000000000297] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Tekade RK, Tekade M, Kesharwani P, D’Emanuele A. RNAi-combined nano-chemotherapeutics to tackle resistant tumors. Drug Discov Today 2016; 21:1761-1774. [DOI: 10.1016/j.drudis.2016.06.029] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Revised: 05/12/2016] [Accepted: 06/28/2016] [Indexed: 01/01/2023]
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May JP, Hysi E, Wirtzfeld LA, Undzys E, Li SD, Kolios MC. Photoacoustic Imaging of Cancer Treatment Response: Early Detection of Therapeutic Effect from Thermosensitive Liposomes. PLoS One 2016; 11:e0165345. [PMID: 27788199 PMCID: PMC5082794 DOI: 10.1371/journal.pone.0165345] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2016] [Accepted: 10/10/2016] [Indexed: 12/11/2022] Open
Abstract
Imaging methods capable of indicating the potential for success of an individualized treatment course, during or immediately following the treatment, could improve therapeutic outcomes. Temperature Sensitive Liposomes (TSLs) provide an effective way to deliver chemotherapeutics to a localized tumoral area heated to mild-hyperthermia (HT). The high drug levels reached in the tumor vasculature lead to increased tumor regression via the cascade of events during and immediately following treatment. For a TSL carrying doxorubicin (DOX) these include the rapid and intense exposure of endothelial cells to high drug concentrations, hemorrhage, blood coagulation and vascular shutdown. In this study, ultrasound-guided photoacoustic imaging was used to probe the changes to tumors following treatment with the TSL, HaT-DOX (Heat activated cytoToxic). Levels of oxygen saturation (sO2) were studied in a longitudinal manner, from 30 min pre-treatment to 7 days post-treatment. The efficacious treatments of HT-HaT-DOX were shown to induce a significant drop in sO2 (>10%) as early as 30 min post-treatment that led to tumor regression (in 90% of cases); HT-Saline and non-efficacious HT-HaT-DOX (10% of cases) treatments did not show any significant change in sO2 at these timepoints. The changes in sO2 were further corroborated with histological data, using the vascular and perfusion markers CD31 and FITC-lectin. These results allowed us to further surmise a plausible mechanism of the cellular events taking place in the TSL treated tumor regions over the first 24 hours post-treatment. The potential for using photoacoustic imaging to measure tumor sO2 as a surrogate prognostic marker for predicting therapeutic outcome with a TSL treatment is demonstrated.
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Affiliation(s)
- Jonathan P. May
- Drug Discovery and Formulation Group, Drug Discovery Program, Ontario Institute for Cancer Research, Toronto, ON, Canada
| | - Eno Hysi
- Department of Physics, Ryerson University, Toronto, ON, Canada
- Institute for Biomedical Engineering, Science and Technology, Keenan Research Centre for Biomedical Science, St. Michael’s Hospital, Toronto, ON, Canada
| | - Lauren A. Wirtzfeld
- Department of Physics, Ryerson University, Toronto, ON, Canada
- Institute for Biomedical Engineering, Science and Technology, Keenan Research Centre for Biomedical Science, St. Michael’s Hospital, Toronto, ON, Canada
| | - Elijus Undzys
- Drug Discovery and Formulation Group, Drug Discovery Program, Ontario Institute for Cancer Research, Toronto, ON, Canada
| | - Shyh-Dar Li
- Drug Discovery and Formulation Group, Drug Discovery Program, Ontario Institute for Cancer Research, Toronto, ON, Canada
| | - Michael C. Kolios
- Department of Physics, Ryerson University, Toronto, ON, Canada
- Institute for Biomedical Engineering, Science and Technology, Keenan Research Centre for Biomedical Science, St. Michael’s Hospital, Toronto, ON, Canada
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Zardad AZ, Choonara YE, Du Toit LC, Kumar P, Mabrouk M, Kondiah PPD, Pillay V. A Review of Thermo- and Ultrasound-Responsive Polymeric Systems for Delivery of Chemotherapeutic Agents. Polymers (Basel) 2016; 8:E359. [PMID: 30974645 PMCID: PMC6431863 DOI: 10.3390/polym8100359] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2016] [Revised: 10/03/2016] [Accepted: 10/09/2016] [Indexed: 12/31/2022] Open
Abstract
There has been an exponential increase in research into the development of thermal- and ultrasound-activated delivery systems for cancer therapy. The majority of researchers employ polymer technology that responds to environmental stimuli some of which are physiologically induced such as temperature, pH, as well as electrical impulses, which are considered as internal stimuli. External stimuli include ultrasound, light, laser, and magnetic induction. Biodegradable polymers may possess thermoresponsive and/or ultrasound-responsive properties that can complement cancer therapy through sonoporation and hyperthermia by means of High Intensity Focused Ultrasound (HIFU). Thermoresponsive and other stimuli-responsive polymers employed in drug delivery systems can be activated via ultrasound stimulation. Polyethylene oxide/polypropylene oxide co-block or triblock polymers and polymethacrylates are thermal- and pH-responsive polymer groups, respectively but both have proven to have successful activity and contribution in chemotherapy when exposed to ultrasound stimulation. This review focused on collating thermal- and ultrasound-responsive delivery systems, and combined thermo-ultrasonic responsive systems; and elaborating on the advantages, as well as shortcomings, of these systems in cancer chemotherapy. The mechanisms of these systems are explicated through their physical alteration when exposed to the corresponding stimuli. The properties they possess and the modifications that enhance the mechanism of chemotherapeutic drug delivery from systems are discussed, and the concept of pseudo-ultrasound responsive systems is introduced.
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Affiliation(s)
- Az-Zamakhshariy Zardad
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown 2193, South Africa.
| | - Yahya Essop Choonara
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown 2193, South Africa.
| | - Lisa Claire Du Toit
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown 2193, South Africa.
| | - Pradeep Kumar
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown 2193, South Africa.
| | - Mostafa Mabrouk
- Refractories, Ceramics and Building Materials, National Research Centre, 33 El-Bohouth St. (former El-Tahrir St.), Dokki, Giza P.O. 12622, Egypt.
| | - Pierre Pavan Demarco Kondiah
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown 2193, South Africa.
| | - Viness Pillay
- Wits Advanced Drug Delivery Platform Research Unit, Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown 2193, South Africa.
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Lin CW, Lu KY, Wang SY, Sung HW, Mi FL. CD44-specific nanoparticles for redox-triggered reactive oxygen species production and doxorubicin release. Acta Biomater 2016; 35:280-92. [PMID: 26853764 DOI: 10.1016/j.actbio.2016.02.005] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2015] [Revised: 01/10/2016] [Accepted: 02/03/2016] [Indexed: 02/04/2023]
Abstract
CD44-specific and redox-responsive nanoparticles were prepared by coating a bioreducible chitosan-based nanoparticles with hyaluronic acid for intracellular glutathione-triggered reactive oxygen species (ROS) production and doxorubicin (DOX) release. Chitosan (CS) was conjugated with a copper chelator, D-penicillamine (D-pen), to obtain a CS-SS-D-pen conjugate through the formation of a disulfide bond. D-pen release from the conjugate was triggered by intracellular glutathione (GSH) via reducing biologically reversible disulfide bonds. Self-assembled CS-SS-D-pen nanoparticles were prepared through ionotropic gelation with tripolyphosphate and subsequently coated with hyaluronic acid (HA). The HA-coated CS-SS-D-pen NPs were reduced by GSH to release free D-pen and trigger ROS production via a series of reactions involving Cu(II)-catalyzed D-pen oxidation and H2O2 generation. DOX was loaded into the HA-coated CS-SS-D-pen NPs by a method involving the complexation of DOX with Cu(II) ions. The Cu(II)-DOX complex-loaded NPs exhibited redox-responsive release properties which accelerated DOX release at a higher glutathione level (10mM). Confocal fluorescence microscopy demonstrated that the Cu(II)-DOX-loaded NPs effectively delivered DOX to human colon adenocarcinoma cells (HT-29) by active targeting via HA-CD44 interactions. Intracellular ROS generated from the HA-coated CS-SS-D-pen NPs sensitized cancer cells to DOX-induced cytotoxicity. In vitro cytotoxicity assays revealed that Cu(II)-DOX-loaded NPs sensitized cells to DOX-induced cytotoxicity in CD44-overexpressing HT-29 cells compared to CD44 low-expressing HCT-15 cells. STATEMENT OF SIGNIFICANCE In this manuscript, we develop a CD44-targetable loaded with nanoparticles Cu(II)-DOX complex. The nanoparticles exhibited redox-responsive properties, which triggered reactive oxygen species (ROS) production and accelerated DOX release. The Cu(II)-DOX-loaded nanoparticle sensitized cells to DOX-induced cytotoxicity in CD44-overexpressing HT-29 cells. To our knowledge, this is the first report showing the combination of CD44-targeting and redox-responsive property for triggering ROS production and subsequent drug release. We believe our findings would appeal to the readership of Acta Biomaterialia because the study bring new and interesting ideals in the development of specific and stimuli-responsive nanoparticles as drug carrier for cancer therapy.
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Affiliation(s)
- Cheng-Wei Lin
- Department of Biochemistry and Molecular Cell Biology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan; Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
| | - Kun-Ying Lu
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
| | - Sin-Yu Wang
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
| | - Hsing-Wen Sung
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan; Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan.
| | - Fwu-Long Mi
- Department of Biochemistry and Molecular Cell Biology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan; Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan; Graduate Institute of Nanomedicine and Medical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan.
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40
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Al-Ahmady Z, Kostarelos K. Chemical Components for the Design of Temperature-Responsive Vesicles as Cancer Therapeutics. Chem Rev 2016; 116:3883-918. [DOI: 10.1021/acs.chemrev.5b00578] [Citation(s) in RCA: 114] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Zahraa Al-Ahmady
- Nanomedicine Lab, Faculty of Medical & Human Sciences, University of Manchester, AV Hill Building, Manchester M13 9PT, United Kingdom
- UCL
School of Pharmacy, Faculty of Life Science, University College London, Brunswick Square, London WC1N 1AX, United Kingdom
- Manchester
Pharmacy School, University of Manchester, Stopford Building, Manchester M13 9PT, United Kingdom
| | - Kostas Kostarelos
- Nanomedicine Lab, Faculty of Medical & Human Sciences, University of Manchester, AV Hill Building, Manchester M13 9PT, United Kingdom
- UCL
School of Pharmacy, Faculty of Life Science, University College London, Brunswick Square, London WC1N 1AX, United Kingdom
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41
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Hwang JY, Li Z, Loh XJ. Small molecule therapeutic-loaded liposomes as therapeutic carriers: from development to clinical applications. RSC Adv 2016. [DOI: 10.1039/c6ra09854a] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
In this review, various methods and mechanisms for encapsulation of small therapeutic molecules in liposomes for targeted delivery and triggered release, as well as their potential in the clinical uses, are discussed.
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Affiliation(s)
- Jae Yoon Hwang
- Department of Materials Science and Engineering
- National University of Singapore
- Singapore 117576
- Singapore
| | - Zibiao Li
- Institute of Materials Research and Engineering (IMRE)
- Singapore 117602
- Singapore
| | - Xian Jun Loh
- Institute of Materials Research and Engineering (IMRE)
- Singapore 117602
- Singapore
- Department of Materials Science and Engineering
- National University of Singapore
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42
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Patra S, Roy E, Madhuri R, Sharma PK. Retracted Article: Creation of ultrasound and temperature-triggered bubble liposomes from economical precursors to enhance the therapeutic efficacy of curcumin in cancer cells. RSC Adv 2016. [DOI: 10.1039/c6ra14584a] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
An ultrasound and temperature responsive bubble liposome has been designed with high physiological stability, targeted, rapid and tunable drug release profile.
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Affiliation(s)
- Santanu Patra
- Department of Applied Chemistry
- Indian School of Mines
- Dhanbad
- India
| | - Ekta Roy
- Department of Applied Chemistry
- Indian School of Mines
- Dhanbad
- India
| | - Rashmi Madhuri
- Department of Applied Chemistry
- Indian School of Mines
- Dhanbad
- India
| | - Prashant K. Sharma
- Functional Nanomaterials Research Laboratory
- Department of Applied Physics
- Indian School of Mines
- Dhanbad
- India
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43
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Alginate microgels loaded with temperature sensitive liposomes for magnetic resonance imageable drug release and microgel visualization. Eur Polym J 2015. [DOI: 10.1016/j.eurpolymj.2015.03.013] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Lei M, Ma M, Pang X, Tan F, Li N. A dual pH/thermal responsive nanocarrier for combined chemo-thermotherapy based on a copper-doxorubicin complex and gold nanorods. NANOSCALE 2015; 7:15999-16011. [PMID: 26370706 DOI: 10.1039/c5nr04353k] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The development of treatment protocols that results in a complete response to chemotherapy has been hampered by low efficacy and systemic toxicity. Here, we created a pH sensitive copper-doxorubicin complex within the core of temperature-sensitive liposomes to maintain the stability during blood circulation and trigger Dox release in the tumor site. Synergistically, we also rationally applied gold nanorods (AuNRs) coupled with near-infrared (NIR) field strength to produce a precise and localized temperature, which not only remotely controlled the drug release but also directly destroyed the tumor, to enhance the therapeutic efficacy. As expected, the in vitro release studies showed that the drug release from CuDox-TSLs (Copper ion mediated Doxorubicin loading-Temperature Sensitive Liposomes) was both pH-dependent and temperature-dependent. Furthermore, MTT (3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2-H-tetrazolium bromide) assays showed that CuDox-TSLs combined with AuNRs exhibited a closer antiproliferative activity to free Dox in MCF-7 cells. The efficient intracellular Dox release from CuDox-TSLs toward the tumor cells further confirmed the anti-tumor effect. Moreover, the in vivo imaging and biodistribution studies revealed that CuDox-TSLs combined with AuNRs could actively target the tumor site. In addition, the therapeutic studies in MCF-7 nude mice exhibited CuDox-TSLs plus AuNRs in combination with NIR irradiation inhibited tumor growth to a great extent and possessed much lower side effects, which were further confirmed by systemic histological analyses. All detailed evidence suggested a considerable potential of CuDox-TSLs combined with AuNRs for treatment of metastatic cancer.
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Affiliation(s)
- Mingzhu Lei
- Tianjin Key Laboratory of Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, 300072, Tianjin, PR China.
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Liang H, Zhou B, Li J, Xu W, Liu S, Li Y, Chen Y, Li B. Supramolecular design of coordination bonding architecture on zein nanoparticles for pH-responsive anticancer drug delivery. Colloids Surf B Biointerfaces 2015; 136:1224-33. [PMID: 26613857 DOI: 10.1016/j.colsurfb.2015.09.037] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2015] [Revised: 09/17/2015] [Accepted: 09/21/2015] [Indexed: 01/29/2023]
Abstract
A pH-responsive system by constructing a designable coordination bonding-based metal-tannic acid (TA) architecture on zein nanoparticles (NPs) has been investigated. Film formation was initiated by the adsorption of the polyphenol and directed by pH-dependent, multivalent coordination bonding. The prepared metal-TA coated zein NPs (zein-TA/metal NPs) demonstrated good stability to maintain particle size in cell culture medium at 37 °C. The microstructure of the NPs was revealed by transmission electron microscopy (TEM). To confirm the surface chemical information of the NPs, XPS analysis was performed. Furthermore, in vitro viability studies revealed that the zein-TA/metal NPs showed no significant cytotoxicity against HepG2 cells for 24h. Because of the pH-responsive coordination bonding between TA and metal ions, the functional property of the metal-TA films was tailored for drug delivery. Biocompatible AuNPs were produced using zein-TA/metal NPs as reducing and stabilizing agents which were promising in the photothermal therapy of cancers and other diseases.
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Affiliation(s)
- Hongshan Liang
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; Key Laboratory of Environment Correlative Dietology (Huazhong Agricultural University), Ministry of Education, Wuhan 430068, China
| | - Bin Zhou
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; Key Laboratory of Environment Correlative Dietology (Huazhong Agricultural University), Ministry of Education, Wuhan 430068, China
| | - Jing Li
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; Key Laboratory of Environment Correlative Dietology (Huazhong Agricultural University), Ministry of Education, Wuhan 430068, China
| | - Wei Xu
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; Key Laboratory of Environment Correlative Dietology (Huazhong Agricultural University), Ministry of Education, Wuhan 430068, China
| | - Shilin Liu
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; Key Laboratory of Environment Correlative Dietology (Huazhong Agricultural University), Ministry of Education, Wuhan 430068, China
| | - Yan Li
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; Key Laboratory of Environment Correlative Dietology (Huazhong Agricultural University), Ministry of Education, Wuhan 430068, China
| | - Yijie Chen
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; Key Laboratory of Environment Correlative Dietology (Huazhong Agricultural University), Ministry of Education, Wuhan 430068, China
| | - Bin Li
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; Hubei Collaborative Innovation Centre for Industrial Fermentation, Hubei University of Technology, Wuhan 430068, China; Key Laboratory of Environment Correlative Dietology (Huazhong Agricultural University), Ministry of Education, Wuhan 430068, China.
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Affiliation(s)
- Bhushan S Pattni
- Department of Pharmaceutical Sciences, Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University , Boston, Massachusetts 02115, United States
| | - Vladimir V Chupin
- Laboratory for Advanced Studies of Membrane Proteins, Moscow Institute of Physics and Technology , Dolgoprudny 141700, Russia
| | - Vladimir P Torchilin
- Department of Pharmaceutical Sciences, Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University , Boston, Massachusetts 02115, United States.,Department of Biochemistry, Faculty of Science, King Abdulaziz University , Jeddah 21589, Saudi Arabia
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Liu X, Miller AL, Yaszemski MJ, Lu L. Biodegradable and crosslinkable PPF-PLGA-PEG self-assembled nanoparticles dual-decorated with folic acid ligands and rhodamine B fluorescent probes for targeted cancer imaging. RSC Adv 2015; 5:33275-33282. [PMID: 35330847 PMCID: PMC8942413 DOI: 10.1039/c5ra04096e] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2023] Open
Abstract
Novel biodegradable and crosslinkable copolymers of hydrophobic poly(propylene fumarate)-co-poly(lactic-co-glycolic acid) (PPF-PLGA) linked with hydrophilic poly(ethylene glycol) (PEG), namely PPF-PLGA-PEG, were developed and fabricated into core-shell nanoparticles through self-assembly and photocrosslinking. A fluorescent probe, rhodamine B (RhB), was conjugated to the end of the copolymer chain (PPF-PLGA-PEG-RhB), which allows tracking of the nanoparticles through visualizing the fluorescence probe. Folic acid (FA) ligand was conjugated to another series of chains (PPF-PLGA-PEG-FA) for targeted delivery of the nanoparticles to the tumor sites by binding to the ubiquitously overexpressed FA receptors on tumor cells. Our results showed that PPF-PLGA-PEG nanoparticles incorporated with RhB fluorescence probes and FA tumor binding ligands have specific cancer cell targeting and imaging abilities. These crosslinkable nanoparticles are potentially useful to serve as a platform for conjugation of fluorescence probes as well as various antibodies and peptides for cancer targeted imaging or drug delivery.
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Affiliation(s)
- Xifeng Liu
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN 55905, USA
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA
| | - A Lee Miller
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN 55905, USA
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA
| | - Michael J Yaszemski
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN 55905, USA
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA
| | - Lichun Lu
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN 55905, USA
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA
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Wang C, Wang X, Zhong T, Zhao Y, Zhang WQ, Ren W, Huang D, Zhang S, Guo Y, Yao X, Tang YQ, Zhang X, Zhang Q. The antitumor activity of tumor-homing peptide-modified thermosensitive liposomes containing doxorubicin on MCF-7/ADR: in vitro and in vivo. Int J Nanomedicine 2015; 10:2229-48. [PMID: 25834435 PMCID: PMC4372005 DOI: 10.2147/ijn.s79840] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Clotted plasma proteins are present on the walls of tumor vessels and in tumor stroma. Tumor-homing peptide Cys-Arg-Glu-Lys-Ala (CREKA) could recognize the clotted plasma proteins in tumor vessels. Thermosensitive liposomes could immediately release the encapsulated drug in the vasculature of the heated tumor. In this study, we designed a novel form of targeted thermosensitive liposomes, CREKA-modified lysolipid-containing thermosensitive liposomes (LTSLs), containing doxorubicin (DOX) (DOX-LTSL-CREKA), to investigate the hypothesis that DOX-LTSL-CREKA might target the clotted plasma proteins in tumor vessels as well as tumor stroma and then exhibit burst release of the encapsulated DOX at the heated tumor site. We also hypothesized that the high local drug concentration produced by these thermosensitive liposomes after local hyperthermia treatment will be useful for treatment of multidrug resistance. The multidrug-resistant human breast adenocarcinoma (MCF-7/ADR) cell line was chosen as a tumor cell model, and the targeting and immediate release characteristics of DOX-LTSL-CREKA were investigated in vitro and in vivo. Furthermore, the antitumor activity of DOX-LTSL-CREKA was evaluated in MCF-7/ADR tumor-bearing nude mice in vivo. The targeting effect of the CREKA-modified thermosensitive liposomes on the clotted plasma proteins was confirmed in our in vivo imaging and immunohistochemistry experiments. The burst release of this delivery system was observed in our in vitro temperature-triggered DOX release and flow cytometry analysis and also by confocal microscopy experiments. The antitumor activity of the DOX-LTSL-CREKA was confirmed in tumor-bearing nude mice in vivo. Our findings suggest that the combination of targeting the clotted plasma proteins in the tumor vessel wall as well as tumor stroma by using CREKA peptide and temperature-triggered drug release from liposomes by using thermosensitive liposomes offers an attractive strategy for chemotherapeutic drug delivery to tumors.
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Affiliation(s)
- Chao Wang
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Peking University, Beijing, People's Republic of China
| | - Xin Wang
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Peking University, Beijing, People's Republic of China
| | - Ting Zhong
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Peking University, Beijing, People's Republic of China
| | - Yang Zhao
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Peking University, Beijing, People's Republic of China
| | - Wei-Qiang Zhang
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Peking University, Beijing, People's Republic of China
| | - Wei Ren
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Peking University, Beijing, People's Republic of China
| | - Dan Huang
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Peking University, Beijing, People's Republic of China
| | - Shuang Zhang
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Peking University, Beijing, People's Republic of China
| | - Yang Guo
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Peking University, Beijing, People's Republic of China
| | - Xin Yao
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Peking University, Beijing, People's Republic of China
| | - Yi-Qun Tang
- Department of Clinical Pharmacy, China Pharmaceutical University, Nanjing, People's Republic of China
| | - Xuan Zhang
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Peking University, Beijing, People's Republic of China
| | - Qiang Zhang
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Peking University, Beijing, People's Republic of China ; State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, People's Republic of China
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Wang L, Zhang P, Shi J, Hao Y, Meng D, Zhao Y, Yanyan Y, Li D, Chang J, Zhang Z. Radiofrequency-triggered tumor-targeting delivery system for theranostics application. ACS APPLIED MATERIALS & INTERFACES 2015; 7:5736-47. [PMID: 25706857 DOI: 10.1021/am507898z] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
In this study, a new type of magnetic tumor-targeting PEGylated gold nanoshell drug delivery system (DOX-TSMLs-AuNSs-PEG) based on doxorubicin-loaded thermosensitive magnetoliposomes was successfully obtained. The reverse-phase evaporation method was used to construct the magnetoliposomes, and then gold nanoshells were coated on the surface of it. The DOX-TSMLs-AuNSs-PEG delivery system was synthesized after SH-PEG2000 modification. This multifunction system was combined with a variety of functions, such as radiofrequency-triggered release, chemo-hyperthermia therapy, and dual-mode magnetic resonance/X-ray imaging. Importantly, the DOX-TSMLs-AuNSs-PEG complex was found to escape from endosomes after cellular uptake by radiofrequency-induced endosome disruption before lysosomal degradation. All results in vitro and in vivo indicated that DOX-TSMLs-AuNSs-PEG is a promising effective drug delivery system for diagnosis and treatment of tumors.
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Affiliation(s)
- Lei Wang
- †School of Chemistry and Molecular Engineering, ‡School of Pharmaceutical Sciences, and §School of Public Health, Zhengzhou University, 100 Kexue Avenue, Zhengzhou 450001, PR China
| | - Panpan Zhang
- †School of Chemistry and Molecular Engineering, ‡School of Pharmaceutical Sciences, and §School of Public Health, Zhengzhou University, 100 Kexue Avenue, Zhengzhou 450001, PR China
| | - Jinjin Shi
- †School of Chemistry and Molecular Engineering, ‡School of Pharmaceutical Sciences, and §School of Public Health, Zhengzhou University, 100 Kexue Avenue, Zhengzhou 450001, PR China
| | - Yongwei Hao
- †School of Chemistry and Molecular Engineering, ‡School of Pharmaceutical Sciences, and §School of Public Health, Zhengzhou University, 100 Kexue Avenue, Zhengzhou 450001, PR China
| | - Dehui Meng
- †School of Chemistry and Molecular Engineering, ‡School of Pharmaceutical Sciences, and §School of Public Health, Zhengzhou University, 100 Kexue Avenue, Zhengzhou 450001, PR China
| | - Yalin Zhao
- †School of Chemistry and Molecular Engineering, ‡School of Pharmaceutical Sciences, and §School of Public Health, Zhengzhou University, 100 Kexue Avenue, Zhengzhou 450001, PR China
| | - Yin Yanyan
- †School of Chemistry and Molecular Engineering, ‡School of Pharmaceutical Sciences, and §School of Public Health, Zhengzhou University, 100 Kexue Avenue, Zhengzhou 450001, PR China
| | - Dong Li
- †School of Chemistry and Molecular Engineering, ‡School of Pharmaceutical Sciences, and §School of Public Health, Zhengzhou University, 100 Kexue Avenue, Zhengzhou 450001, PR China
| | - Junbiao Chang
- †School of Chemistry and Molecular Engineering, ‡School of Pharmaceutical Sciences, and §School of Public Health, Zhengzhou University, 100 Kexue Avenue, Zhengzhou 450001, PR China
| | - Zhenzhong Zhang
- †School of Chemistry and Molecular Engineering, ‡School of Pharmaceutical Sciences, and §School of Public Health, Zhengzhou University, 100 Kexue Avenue, Zhengzhou 450001, PR China
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