1
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Fumadó Navarro J, Lomora M. Mechanoresponsive Drug Delivery Systems for Vascular Diseases. Macromol Biosci 2023; 23:e2200466. [PMID: 36670512 DOI: 10.1002/mabi.202200466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 01/16/2023] [Indexed: 01/22/2023]
Abstract
Mechanoresponsive drug delivery systems (DDS) have emerged as promising candidates to improve the current effectiveness and lower the side effects typically associated with direct drug administration in the context of vascular diseases. Despite tremendous research efforts to date, designing drug delivery systems able to respond to mechanical stimuli to potentially treat these diseases is still in its infancy. By understanding relevant biological forces emerging in healthy and pathological vascular endothelium, it is believed that better-informed design strategies can be deduced for the fabrication of simple-to-complex macromolecular assemblies capable of sensing mechanical forces. These responsive systems are discussed through insights into essential parameter design (composition, size, shape, and aggregation state) , as well as their functionalization with (macro)molecules that are intrinsically mechanoresponsive (e.g., mechanosensitive ion channels and mechanophores). Mechanical forces, including the pathological shear stress and exogenous stimuli (e.g., ultrasound, magnetic fields), used for the activation of mechanoresponsive DDS are also introduced, followed by in vitro and in vivo experimental models used to investigate and validate such novel therapies. Overall, this review aims to propose a fresh perspective through identified challenges and proposed solutions that could be of benefit for the further development of this exciting field.
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Affiliation(s)
- Josep Fumadó Navarro
- School of Biological and Chemical Sciences, University of Galway, University Road, Galway, H91 TK33, Ireland
- CÚRAM, SFI Research Centre for Medical Devices, University of Galway, Upper Newcastle, Galway, H91 W2TY, Ireland
| | - Mihai Lomora
- School of Biological and Chemical Sciences, University of Galway, University Road, Galway, H91 TK33, Ireland
- CÚRAM, SFI Research Centre for Medical Devices, University of Galway, Upper Newcastle, Galway, H91 W2TY, Ireland
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2
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Karaz S, Senses E. Liposomes Under Shear: Structure, Dynamics, and Drug Delivery Applications. ADVANCED NANOBIOMED RESEARCH 2023. [DOI: 10.1002/anbr.202200101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Affiliation(s)
- Selcan Karaz
- Department of Chemical and Biological Engineering Koç University Istanbul 34450 Turkey
| | - Erkan Senses
- Department of Chemical and Biological Engineering Koç University Istanbul 34450 Turkey
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3
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Chen Z, Han L, Meng G, Li H, Shan C, Du G, Li M. Intravenous Hemostats: Foundation, Targeting, and Controlled-Release. Bioconjug Chem 2022; 33:2269-2289. [PMID: 36404605 DOI: 10.1021/acs.bioconjchem.2c00492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Uncontrollable blood loss is the greatest cause of mortality in prehospital patients and the main source of disability and death in hospital care. Compared with external hemostats, intravenous hemostats are more appropriate for preventing and treating uncontrolled bleeding in vivo and large bleeding on the body surface. This Review initially establishes intravenous hemostats' response basis, including the coagulation mechanism, fibrinolytic pathway, and protein corona. Second, the study of advancement of intravenous hemostat targeting was expanded from two perspectives, cellular hemostatic agents and synthetic hemostatic agents. Meanwhile, after discussing the progress of controlled-release intravenous hemostats with platelets as the stimuli, this Review offers insight into the possibility of controlled-release intravenous hemostats with microenvironment as the stimuli, combining the studies of controlled-release targeted thrombolysis.
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Affiliation(s)
- Zihao Chen
- Department of Special Operations Medicine, The Sixth Medical Center of PLA General Hospital, Beijing 100048, China
| | - Lei Han
- Department of Special Operations Medicine, The Sixth Medical Center of PLA General Hospital, Beijing 100048, China
| | - Guo Meng
- Department of Special Operations Medicine, The Sixth Medical Center of PLA General Hospital, Beijing 100048, China
| | - Huaiyong Li
- Department of Special Operations Medicine, The Sixth Medical Center of PLA General Hospital, Beijing 100048, China
| | - Chao Shan
- Department of Special Operations Medicine, The Sixth Medical Center of PLA General Hospital, Beijing 100048, China
| | - Ge Du
- Department Of Geriatric Rehabilitation Center, Beijing Rehabilitation Hospital Affiliated to Capital Medical University, Beijing 100144, China
| | - Minggao Li
- Department of Special Operations Medicine, The Sixth Medical Center of PLA General Hospital, Beijing 100048, China
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4
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Advanced drug delivery system against ischemic stroke. J Control Release 2022; 344:173-201. [DOI: 10.1016/j.jconrel.2022.02.036] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 02/28/2022] [Accepted: 02/28/2022] [Indexed: 02/06/2023]
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5
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Li Q, Wang YX, Chen Y. Unraveling Ultrasonic Stress Response of Nanovesicles by the Mechanochromism of Self-Assembled Polydiacetylene. ACS Macro Lett 2022; 11:103-109. [PMID: 35574789 DOI: 10.1021/acsmacrolett.1c00715] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The force response of nanosized vesicles shows substantial applications in drug delivery, cancer therapies, and so on. Conventional methods in mechanical studies on vesicles rely on a camera and an optical microscope, which can hardly work for nanosized particles. Herein, we use self-assembled polydiacetylene (PDA) as a chromic mechanoresponsive group to study the responsiveness of nanovesicles under sonication. The sonication-induced deformation of the PDA backbone and reduction in its conjugation length leads to a color transition from blue to red. Three internal and external factors, including greater shear stress, lower polymerization degree, and higher viscosity of the continue phase, have been found to promote the mechanochromism of the vesicles. These results, for the first time, reveal that the force response of vesicles depends on the actual capillary number (correlated with the three explored factors), even at the nanoscale level, which opens a new avenue to mechanical modulation of nanovesicles for the development of vesicle-based bio- and nanotechniques.
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Affiliation(s)
- Qing Li
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, People’s Republic of China
| | - Yi-Xuan Wang
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, People’s Republic of China
| | - Yulan Chen
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, People’s Republic of China
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, People’s Republic of China
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6
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Wang J, Gong J, Wei Z. Strategies for Liposome Drug Delivery Systems to Improve Tumor Treatment Efficacy. AAPS PharmSciTech 2021; 23:27. [PMID: 34907483 DOI: 10.1208/s12249-021-02179-4] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 11/15/2021] [Indexed: 12/24/2022] Open
Abstract
In the advancement of tumor therapy, in addition to the search for new antitumor compounds, the development of nano-drug delivery systems has opened up new pathways for tumor treatment by addressing some of the limitations of traditional drugs. Liposomes have received much attention for their high biocompatibility, low toxicity, high inclusivity, and improved drug bioavailability. They are one of the most studied nanocarriers, changing the size and surface characteristics of liposomes to better fit the tumor environment by taking advantage of the unique pathophysiology of tumors. They can also be designed as tumor targeting drug delivery vehicles for the precise delivery of active drugs into tumor cells. This paper reviews the current development of liposome formulations, summarizes the characterization methods of liposomes, and proposes strategies to improve the effectiveness of tumor treatment. Finally, it provides an outlook on the challenges and future directions of the field. Graphical abstract.
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7
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Wang Y, Pisapati AV, Zhang XF, Cheng X. Recent Developments in Nanomaterial-Based Shear-Sensitive Drug Delivery Systems. Adv Healthc Mater 2021; 10:e2002196. [PMID: 34076369 PMCID: PMC8273148 DOI: 10.1002/adhm.202002196] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 04/21/2021] [Indexed: 01/30/2023]
Abstract
Nanomaterial-based drug delivery systems (DDSs) increase the efficacy of various therapeutics, and shear stress has been shown to be a robust modulator of payload release. In the past few decades, a deeper understanding has been gained of the effects of flow in the body and its alteration in pathological microenvironments. More recently, shear-responsive nanomaterial DDSs have been developed. Studies on this subject mainly from the last decade are reviewed here, focusing on innovations of the material design and mechanisms of the shear response. The two most popular shear-controlled drug carriers distinguished by different release mechanisms, that is, shear-deformable nanoparticles (NPs) and shear-dissociated NP aggregates (NPAs), are surveyed. The influence of material structures on their properties such as drug loading, circulation time, and shear sensitivity are discussed. The drug development stages, therapeutic effects, limitations, and potential of these DDSs are further inspected. The reviewed research emphasizes the advantages and significance of nanomaterial-based shear-sensitive DDSs in the field of targeted drug delivery. It is also believed that efforts to rationally design nanomaterial DDSs responsive to shear may prompt a new class of diagnostics and therapeutics for signaling and rectifying pathological flows in the body.
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Affiliation(s)
- Yi Wang
- Department of Materials Science and Engineering, Lehigh University, Bethlehem, PA, 18015, United States
| | - Avani V. Pisapati
- Department of Bioengineering, Lehigh University, Bethlehem, PA, 18015, United States
| | - X. Frank Zhang
- Department of Bioengineering, Lehigh University, Bethlehem, PA, 18015, United States
| | - Xuanhong Cheng
- Department of Materials Science and Engineering, Lehigh University, Bethlehem, PA, 18015, United States
- Department of Bioengineering, Lehigh University, Bethlehem, PA, 18015, United States
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8
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Rifaie‐Graham O, Galensowske NFB, Dean C, Pollard J, Balog S, Gouveia MG, Chami M, Vian A, Amstad E, Lattuada M, Bruns N. Shear Stress-Responsive Polymersome Nanoreactors Inspired by the Marine Bioluminescence of Dinoflagellates. Angew Chem Int Ed Engl 2021; 60:904-909. [PMID: 32961006 PMCID: PMC7839717 DOI: 10.1002/anie.202010099] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Indexed: 12/22/2022]
Abstract
Some marine plankton called dinoflagellates emit light in response to the movement of surrounding water, resulting in a phenomenon called milky seas or sea sparkle. The underlying concept, a shear-stress induced permeabilisation of biocatalytic reaction compartments, is transferred to polymer-based nanoreactors. Amphiphilic block copolymers that carry nucleobases in their hydrophobic block are self-assembled into polymersomes. The membrane of the vesicles can be transiently switched between an impermeable and a semipermeable state by shear forces occurring in flow or during turbulent mixing of polymersome dispersions. Nucleobase pairs in the hydrophobic leaflet separate when mechanical force is applied, exposing their hydrogen bonding motifs and therefore making the membrane less hydrophobic and more permeable for water soluble compounds. This polarity switch is used to release payload of the polymersomes on demand, and to activate biocatalytic reactions in the interior of the polymersomes.
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Affiliation(s)
- Omar Rifaie‐Graham
- Adolphe Merkle InstituteUniversity of FribourgChemin des Verdiers 41700FribourgSwitzerland
- Current address: Department of Materials and Department of BioengineeringInstitute of Biomedical EngineeringImperial College LondonExhibition RoadLondonSW7 2AZUK
| | | | - Charlie Dean
- Adolphe Merkle InstituteUniversity of FribourgChemin des Verdiers 41700FribourgSwitzerland
| | - Jonas Pollard
- Adolphe Merkle InstituteUniversity of FribourgChemin des Verdiers 41700FribourgSwitzerland
| | - Sandor Balog
- Adolphe Merkle InstituteUniversity of FribourgChemin des Verdiers 41700FribourgSwitzerland
| | - Micael G. Gouveia
- Department of Pure and Applied ChemistryUniversity of StrathclydeThomas Graham Building, 295 Cathedral StreetGlasgowG1 1XLUK
| | - Mohamed Chami
- BioEM labCenter of Cellular Imaging and NanoAnalytics (C-CINA)BiozentrumUniversity of BaselMattenstrasse 264058BaselSwitzerland
| | - Antoine Vian
- Soft Materials LaboratoryInstitute of MaterialsÉcole Polytechnique Fédérale de Lausanne, EPFL-STI-IMX-SMALMXC 231 Station 121015LausanneSwitzerland
| | - Esther Amstad
- Soft Materials LaboratoryInstitute of MaterialsÉcole Polytechnique Fédérale de Lausanne, EPFL-STI-IMX-SMALMXC 231 Station 121015LausanneSwitzerland
| | - Marco Lattuada
- Department of ChemistryUniversity of FribourgChemin du Musée 91700FribourgSwitzerland
| | - Nico Bruns
- Adolphe Merkle InstituteUniversity of FribourgChemin des Verdiers 41700FribourgSwitzerland
- Department of Pure and Applied ChemistryUniversity of StrathclydeThomas Graham Building, 295 Cathedral StreetGlasgowG1 1XLUK
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9
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Rifaie‐Graham O, Galensowske NFB, Dean C, Pollard J, Balog S, Gouveia MG, Chami M, Vian A, Amstad E, Lattuada M, Bruns N. Shear Stress‐Responsive Polymersome Nanoreactors Inspired by the Marine Bioluminescence of Dinoflagellates. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202010099] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Omar Rifaie‐Graham
- Adolphe Merkle Institute University of Fribourg Chemin des Verdiers 4 1700 Fribourg Switzerland
- Current address: Department of Materials and Department of Bioengineering Institute of Biomedical Engineering Imperial College London Exhibition Road London SW7 2AZ UK
| | | | - Charlie Dean
- Adolphe Merkle Institute University of Fribourg Chemin des Verdiers 4 1700 Fribourg Switzerland
| | - Jonas Pollard
- Adolphe Merkle Institute University of Fribourg Chemin des Verdiers 4 1700 Fribourg Switzerland
| | - Sandor Balog
- Adolphe Merkle Institute University of Fribourg Chemin des Verdiers 4 1700 Fribourg Switzerland
| | - Micael G. Gouveia
- Department of Pure and Applied Chemistry University of Strathclyde Thomas Graham Building, 295 Cathedral Street Glasgow G1 1XL UK
| | - Mohamed Chami
- BioEM lab Center of Cellular Imaging and NanoAnalytics (C-CINA) Biozentrum University of Basel Mattenstrasse 26 4058 Basel Switzerland
| | - Antoine Vian
- Soft Materials Laboratory Institute of Materials École Polytechnique Fédérale de Lausanne, EPFL-STI-IMX-SMAL MXC 231 Station 12 1015 Lausanne Switzerland
| | - Esther Amstad
- Soft Materials Laboratory Institute of Materials École Polytechnique Fédérale de Lausanne, EPFL-STI-IMX-SMAL MXC 231 Station 12 1015 Lausanne Switzerland
| | - Marco Lattuada
- Department of Chemistry University of Fribourg Chemin du Musée 9 1700 Fribourg Switzerland
| | - Nico Bruns
- Adolphe Merkle Institute University of Fribourg Chemin des Verdiers 4 1700 Fribourg Switzerland
- Department of Pure and Applied Chemistry University of Strathclyde Thomas Graham Building, 295 Cathedral Street Glasgow G1 1XL UK
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10
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Sugiyama H, Osaki T, Takeuchi S, Toyota T. Perfusion Chamber for Observing a Liposome-Based Cell Model Prepared by a Water-in-Oil Emulsion Transfer Method. ACS OMEGA 2020; 5:19429-19436. [PMID: 32803036 PMCID: PMC7424586 DOI: 10.1021/acsomega.0c01371] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Accepted: 07/16/2020] [Indexed: 05/12/2023]
Abstract
For the construction of a chemical model of contemporary living cells, the so-called water-in-oil emulsion transfer (WOET) method has drawn much attention as one of the promising preparation protocols for cell-sized liposomes encapsulating macromolecules and even micrometer-sized colloidal particles in high yields. Combining the throughput and accuracy of the observation is the key to developing a synthetic approach based on the liposomes prepared by the WOET method. Recent advances in microfluidic technology can provide a solution. By means of surface modification of a poly(dimethylsiloxane)-type microfluidic device integrating size-sorting and trapping modules, here, we enabled a simultaneous direct observation of the liposomes with a narrow size distribution, which were prepared by the WOET method. As a demonstration, we evaluated the variance of encapsulation of polystyrene colloidal particles and water permeability of the cell-sized liposomes prepared by the WOET method in the device. Since the liposomes prepared by the WOET method are useful for constructing cell models with an easy protocol, the current system will lead to a critical development of not only supramolecular chemistry and soft matter physics but also synthetic biology.
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Affiliation(s)
- Hironori Sugiyama
- Department
of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro, Tokyo 153-8902, Japan
| | - Toshihisa Osaki
- Institute
of Industrial Science, The University of
Tokyo, 4-6-1 Komaba, Meguro, Tokyo 153-8505, Japan
- Kanagawa
Institute of Industrial Science and Technology, 3-2-1 Sakado, Takatsu, Kawasaki, Kanagawa 213-0012, Japan
| | - Shoji Takeuchi
- Institute
of Industrial Science, The University of
Tokyo, 4-6-1 Komaba, Meguro, Tokyo 153-8505, Japan
- Department
of Mechano-Informatics, Graduate School of Information Science and
Technology, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Taro Toyota
- Department
of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro, Tokyo 153-8902, Japan
- Universal
Biology Institute, The University of Tokyo, 3-8-1 Komaba, Meguro, Tokyo 153-8902, Japan
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11
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Chen ZJ, Yang SC, Liu XL, Gao Y, Dong X, Lai X, Zhu MH, Feng HY, Zhu XD, Lu Q, Zhao M, Chen HZ, Lovell JF, Fang C. Nanobowl-Supported Liposomes Improve Drug Loading and Delivery. NANO LETTERS 2020; 20:4177-4187. [PMID: 32431154 DOI: 10.1021/acs.nanolett.0c00495] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Liposomal drug delivery for cancer therapy can be limited due to drug leakage in circulation. Here, we develop a new method to enhance the stability of actively loaded liposomal doxorubicin (DOX) through embedding a stiff nanobowl in the liposomal water cavity. Nanobowl-supported liposomal DOX (DOX@NbLipo) resists the influence of plasma protein and blood flow shear force to prevent drug leakage. This approach yields improved drug delivery to tumor sites and enhanced antitumor efficacy. Compared to alternative methods of modifying liposome surface and composition for stability, this approach designs a physical support for an all-aqueous nanoliposomal cavity. Nanobowl stabilization of liposomes is a simple and effective method to improve carrier stability and drug delivery.
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Affiliation(s)
- Zhong-Jian Chen
- Hongqiao International Institute of Medicine, Tongren Hospital and State Key Laboratory of Oncogenes and Related Genes, Department of Pharmacology and Chemical Biology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Si-Cong Yang
- Hongqiao International Institute of Medicine, Tongren Hospital and State Key Laboratory of Oncogenes and Related Genes, Department of Pharmacology and Chemical Biology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Xue-Liang Liu
- Hongqiao International Institute of Medicine, Tongren Hospital and State Key Laboratory of Oncogenes and Related Genes, Department of Pharmacology and Chemical Biology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Yuhao Gao
- Hongqiao International Institute of Medicine, Tongren Hospital and State Key Laboratory of Oncogenes and Related Genes, Department of Pharmacology and Chemical Biology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Xiao Dong
- Hongqiao International Institute of Medicine, Tongren Hospital and State Key Laboratory of Oncogenes and Related Genes, Department of Pharmacology and Chemical Biology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Xing Lai
- Hongqiao International Institute of Medicine, Tongren Hospital and State Key Laboratory of Oncogenes and Related Genes, Department of Pharmacology and Chemical Biology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Mao-Hua Zhu
- Hongqiao International Institute of Medicine, Tongren Hospital and State Key Laboratory of Oncogenes and Related Genes, Department of Pharmacology and Chemical Biology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Hai-Yi Feng
- Hongqiao International Institute of Medicine, Tongren Hospital and State Key Laboratory of Oncogenes and Related Genes, Department of Pharmacology and Chemical Biology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Xin-Di Zhu
- Hongqiao International Institute of Medicine, Tongren Hospital and State Key Laboratory of Oncogenes and Related Genes, Department of Pharmacology and Chemical Biology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Qin Lu
- Hongqiao International Institute of Medicine, Tongren Hospital and State Key Laboratory of Oncogenes and Related Genes, Department of Pharmacology and Chemical Biology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Mei Zhao
- Department of Pharmacy, Shanghai University of Medicine and Health Sciences, 279 Zhouzhu Road, Shanghai 201318, China
| | - Hong-Zhuan Chen
- Institute of Interdisciplinary Integrative Biomedical Research, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Jonathan F Lovell
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, New York 14260, United States
| | - Chao Fang
- Hongqiao International Institute of Medicine, Tongren Hospital and State Key Laboratory of Oncogenes and Related Genes, Department of Pharmacology and Chemical Biology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
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12
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Sugiyama H, Osaki T, Takeuchi S, Toyota T. Hydrodynamic accumulation of small molecules and ions into cell-sized liposomes against a concentration gradient. Commun Chem 2020; 3:32. [PMID: 36703378 PMCID: PMC9814613 DOI: 10.1038/s42004-020-0277-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Accepted: 02/17/2020] [Indexed: 01/29/2023] Open
Abstract
In investigations of the emergence of protocells at the origin of life, repeatable and continuous supply of molecules and ions into the closed lipid bilayer membrane (liposome) is one of the fundamental challenges. Demonstrating an abiotic process to accumulate substances into preformed liposomes against the concentration gradient can provide a clue. Here we show that, without proteins, cell-sized liposomes under hydrodynamic environment repeatedly permeate small molecules and ions, including an analogue of adenosine triphosphate, even against the concentration gradient. The mechanism underlying this accumulation of the molecules and ions is shown to involve their unique partitioning at the liposomal membrane under forced external flow in a constrained space. This abiotic mechanism to accumulate substances inside of the liposomal compartment without light could provide an energetically up-hill process for protocells as a critical step toward the contemporary cells.
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Affiliation(s)
- Hironori Sugiyama
- grid.26999.3d0000 0001 2151 536XDepartment of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro, Tokyo 153-8902 Japan
| | - Toshihisa Osaki
- grid.26999.3d0000 0001 2151 536XInstitute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro, Tokyo 153-8505 Japan ,Kanagawa Institute of Industrial Science and Technology, 3-2-1 Sakado, Takatsu, Kawasaki, Kanagawa 213-0012 Japan
| | - Shoji Takeuchi
- grid.26999.3d0000 0001 2151 536XInstitute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro, Tokyo 153-8505 Japan ,grid.26999.3d0000 0001 2151 536XDepartment of Mechano-Informatics, Graduate School of Information Science and Technology, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-8656 Japan
| | - Taro Toyota
- grid.26999.3d0000 0001 2151 536XDepartment of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro, Tokyo 153-8902 Japan ,grid.26999.3d0000 0001 2151 536XUniversal Biology Institute, The University of Tokyo, 3-8-1 Komaba, Meguro, Tokyo 153-8902 Japan
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13
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Dreckmann T, Boeuf J, Ludwig IS, Lümkemann J, Huwyler J. Low volume aseptic filling: Impact of pump systems on shear stress. Eur J Pharm Biopharm 2020; 147:10-18. [DOI: 10.1016/j.ejpb.2019.12.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 12/06/2019] [Accepted: 12/08/2019] [Indexed: 11/25/2022]
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14
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Kim JA, Kwon K, Kim JC. Liposomes incorporating cinnamoyl gelatin and cinnnamoyl alginate and their pH and UV-responsive release property. J DISPER SCI TECHNOL 2020. [DOI: 10.1080/01932691.2018.1546188] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Jin Ah Kim
- Department of Medical Biomaterials Engineering, College of Biomedical Science and Institute of Bioscience and Biotechnology, Kangwon National University, Chuncheon, Kangwon-do, South Korea
| | - Kyeongnan Kwon
- Department of Medical Biomaterials Engineering, College of Biomedical Science and Institute of Bioscience and Biotechnology, Kangwon National University, Chuncheon, Kangwon-do, South Korea
| | - Jin-Chul Kim
- Department of Medical Biomaterials Engineering, College of Biomedical Science and Institute of Bioscience and Biotechnology, Kangwon National University, Chuncheon, Kangwon-do, South Korea
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15
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F Brandner A, Timr S, Melchionna S, Derreumaux P, Baaden M, Sterpone F. Modelling lipid systems in fluid with Lattice Boltzmann Molecular Dynamics simulations and hydrodynamics. Sci Rep 2019; 9:16450. [PMID: 31712588 PMCID: PMC6848203 DOI: 10.1038/s41598-019-52760-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Accepted: 10/21/2019] [Indexed: 11/09/2022] Open
Abstract
In this work we present the coupling between Dry Martini, an efficient implicit solvent coarse-grained model for lipids, and the Lattice Boltzmann Molecular Dynamics (LBMD) simulation technique in order to include naturally hydrodynamic interactions in implicit solvent simulations of lipid systems. After validating the implementation of the model, we explored several systems where the action of a perturbing fluid plays an important role. Namely, we investigated the role of an external shear flow on the dynamics of a vesicle, the dynamics of substrate release under shear, and inquired the dynamics of proteins and substrates confined inside the core of a vesicle. Our methodology enables future exploration of a large variety of biological entities and processes involving lipid systems at the mesoscopic scale where hydrodynamics plays an essential role, e.g. by modulating the migration of proteins in the proximity of membranes, the dynamics of vesicle-based drug delivery systems, or, more generally, the behaviour of proteins in cellular compartments.
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Affiliation(s)
- Astrid F Brandner
- CNRS, Université de Paris, UPR 9080, Laboratoire de Biochimie Théorique, 13 rue Pierre et Marie Curie, F-75005, Paris, France.,Institut de Biologie Physico-Chimique-Fondation Edmond de Rothschild, PSL Research University, Paris, France
| | - Stepan Timr
- CNRS, Université de Paris, UPR 9080, Laboratoire de Biochimie Théorique, 13 rue Pierre et Marie Curie, F-75005, Paris, France.,Institut de Biologie Physico-Chimique-Fondation Edmond de Rothschild, PSL Research University, Paris, France
| | - Simone Melchionna
- ISC-CNR, Dipartimento di Fisica, Università Sapienza, P.le A. Moro 5, 00185, Rome, Italy.,Lexma Technology 1337 Massachusetts Avenue, Arlington, MA, 02476, USA
| | - Philippe Derreumaux
- CNRS, Université de Paris, UPR 9080, Laboratoire de Biochimie Théorique, 13 rue Pierre et Marie Curie, F-75005, Paris, France.,Institut de Biologie Physico-Chimique-Fondation Edmond de Rothschild, PSL Research University, Paris, France
| | - Marc Baaden
- CNRS, Université de Paris, UPR 9080, Laboratoire de Biochimie Théorique, 13 rue Pierre et Marie Curie, F-75005, Paris, France.,Institut de Biologie Physico-Chimique-Fondation Edmond de Rothschild, PSL Research University, Paris, France
| | - Fabio Sterpone
- CNRS, Université de Paris, UPR 9080, Laboratoire de Biochimie Théorique, 13 rue Pierre et Marie Curie, F-75005, Paris, France. .,Institut de Biologie Physico-Chimique-Fondation Edmond de Rothschild, PSL Research University, Paris, France.
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16
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Rana A, Westein E, Niego B, Hagemeyer CE. Shear-Dependent Platelet Aggregation: Mechanisms and Therapeutic Opportunities. Front Cardiovasc Med 2019; 6:141. [PMID: 31620451 PMCID: PMC6763557 DOI: 10.3389/fcvm.2019.00141] [Citation(s) in RCA: 102] [Impact Index Per Article: 20.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Accepted: 09/03/2019] [Indexed: 01/04/2023] Open
Abstract
Cardiovascular diseases (CVD) are the number one cause of morbidity and death worldwide. As estimated by the WHO, the global death rate from CVD is 31% wherein, a staggering 85% results from stroke and myocardial infarction. Platelets, one of the key components of thrombi, have been well-investigated over decades for their pivotal role in thrombus development in healthy as well as diseased blood vessels. In hemostasis, when a vascular injury occurs, circulating platelets are arrested at the site of damage, where they are activated and aggregate to form hemostatic thrombi, thus preventing further bleeding. However, in thrombosis, pathological activation of platelets occurs, leading to uncontrolled growth of a thrombus, which in turn can occlude the blood vessel or embolize, causing downstream ischemic events. The molecular processes causing pathological thrombus development are in large similar to the processes controlling physiological thrombus formation. The biggest challenge of anti-thrombotics and anti-platelet therapeutics has been to decouple the pathological platelet response from the physiological one. Currently, marketed anti-platelet drugs are associated with major bleeding complications for this exact reason; they are not effective in targeting pathological thrombi without interfering with normal hemostasis. Recent studies have emphasized the importance of shear forces generated from blood flow, that primarily drive platelet activation and aggregation in thrombosis. Local shear stresses in obstructed blood vessels can be higher by up to two orders of magnitude as compared to healthy vessels. Leveraging abnormal shear forces in the thrombus microenvironment may allow to differentiate between thrombosis and hemostasis and develop shear-selective anti-platelet therapies. In this review, we discuss the influence of shear forces on thrombosis and the underlying mechanisms of shear-induced platelet activation. Later, we summarize the therapeutic approaches to target shear-sensitive platelet activation and pathological thrombus growth, with a particular focus on the shear-sensitive protein von Willebrand Factor (VWF). Inhibition of shear-specific platelet aggregation and targeted drug delivery may prove to be much safer and efficacious approaches over current state-of-the-art antithrombotic drugs in the treatment of cardiovascular diseases.
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Affiliation(s)
- Akshita Rana
- Nanobiotechnology Laboratory, Australian Centre for Blood Diseases, Central Clinical School, Monash University, Melbourne, VIC, Australia
| | - Erik Westein
- Nanobiotechnology Laboratory, Australian Centre for Blood Diseases, Central Clinical School, Monash University, Melbourne, VIC, Australia
| | - Be'eri Niego
- Nanobiotechnology Laboratory, Australian Centre for Blood Diseases, Central Clinical School, Monash University, Melbourne, VIC, Australia
| | - Christoph E Hagemeyer
- Nanobiotechnology Laboratory, Australian Centre for Blood Diseases, Central Clinical School, Monash University, Melbourne, VIC, Australia
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17
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Zumbuehl A. Artificial Phospholipids and Their Vesicles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:10223-10232. [PMID: 30278137 DOI: 10.1021/acs.langmuir.8b02601] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Phospholipids are at the heart and origin of life on this planet. The possibilities in terms of phospholipid self-assembly and biological functions seem limitless. Nonetheless, nature exploits only a small fraction of the available chemical space of phospholipids. Using chemical synthesis, artificial phospholipid structures become accessible, and the study of their biophysics may reveal unprecedented properties. In this article, the recent advances by our work group in the field of chemical lipidology are summarized. The family of diamidophospholipids is discussed in detail from monolayer characterization to the formation of faceted vesicles, culminating in the template-free self-assembly of phospholipid cubes and the possible applications of vesicle origami in modern personalized medicine.
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Affiliation(s)
- Andreas Zumbuehl
- Department of Chemistry , University of Fribourg , Chemin du Musée 9 , 1700 Fribourg , Switzerland
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18
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Pal A, Khakhar DV. Breakage of vesicles in a simple shear flow. SOFT MATTER 2019; 15:1979-1987. [PMID: 30714598 DOI: 10.1039/c8sm01501e] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The breakage of micron-size SOPC lipid vesicles in an aqueous suspension was studied in a simple shear flow over a range of shear rates (1000 s-1 to 4000 s-1). Evolution of the vesicle size distribution with time was determined using optical microscopy. The number average vesicle diameter was found to reduce continuously with time; at the highest shear rate (4000 s-1), the reduction was 38% after 6 h of shearing. The distributions indicated the existence of a critical diameter such that the number of vesicles larger than the critical diameter decreased and vesicles smaller than the critical diameter increased. The capillary number for the system (ratio of the characteristic viscous stress to the characteristic stress for stretching the lipid membrane) was two orders of magnitude lower than the values reported for breakage in an ultrasonically generated flow, indicating that vesicles do not rupture due to lysis of the membrane. Direct observation of the process in a shear cell fitted in a microscope stage revealed the mechanism of rupture. Measurements of the vesicle dimensions indicated an increase in aspect ratio with time as a result of leakage of fluid from inside vesicles. Once the aspect ratio increased above a threshold value, the vesicles elongated into long thread-like shapes, which broke into small daughter vesicles by pearling.
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Affiliation(s)
- Ankush Pal
- Department of Chemical Engineering, Indian Institute of Technology Bombay, Powai, Mumbai, 400076, India.
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19
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20
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Arjmand S, Pardakhty A, Forootanfar H, Khazaeli P. A road to bring Brij52 back to attention: Shear stress sensitive Brij52 niosomal carriers for targeted drug delivery to obstructed blood vessels. Med Hypotheses 2018; 121:137-141. [PMID: 30396467 DOI: 10.1016/j.mehy.2018.09.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2017] [Revised: 03/05/2018] [Accepted: 09/09/2018] [Indexed: 10/28/2022]
Abstract
Thrombosis is a shared perpetrating event in the pathophysiology of several cardiovascular disorders such as ischemic stroke, venous thromboembolism, atherosclerosis, and myocardial infarction. Despite holding a wide range of ammunition in our arsenal to ameliorate such conditions, we are still facing with many stumbling blocks in the satisfactory pharmacotherapy of cardiovascular diseases among which the risk of hemorrhage and life threatening drug interactions can be highlighted. Our hypothesis focuses on mimicking the nature of platelet activation, to design a novel targeted delivery system based on the alterations of a physical parameter, the hemodynamic shear stress, to aim at the offending thrombi in an attempt to offer a noninvasive, rapid, and monitoring-free method that not only can prolong the circulation time of the cargo, but also deliver it locally and reduce both the undesirable adverse effects and drug interactions. Brij52 is our chosen candidate due to its unique non-spherical morphology after forming a niosomal vesicle. We surmised that thanks to its non-spherical shape, diverse shear rates may generate different shear stresses to its equators and axes which might result in the breakdown or at least distortion of niosomal structure under elevated shear stress. The vesicles have to be synthesized in the size of platelets or in the nano-sized scale. In order to prolong the time vesicles are circulating in the blood, PEGylation may help and to make such carriers highly selective to be only activated during pathophysiological clot formation, attachment of domain A1 von Willebrand factor can be of benefit to lead this proposed delivery system to the site of thrombus formation where shear rate exceeds those of 1000 s-1. There is now an emerging fast growing universal research on shear activated carriers, and the present theory is an endeavor to reach a successful treatment strategy to combat cardiovascular diseases based on the hypothesis that a non-spherical nano-carrier such as Brij 52 niosomal vesicle can be of paramount benefit to deliver current antithrombotic agents in a targeted and controlled manner in the presence of elevated shear stress of the obstructed blood vessels. With more radical advanced drug delivery systems being developed and new strategies being pursued, there will be more options in our arsenal to represent a promising avenue for achieving preventive, well-tolerated, and intelligent drug carriers to circumvent the drawbacks of antithrombotic pharmacotherapy.
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Affiliation(s)
- Shokouh Arjmand
- Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran; School of Pharmacy and Pharmaceutical Sciences, Kerman University of Medical Sciences, Kerman, Iran; Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Abbas Pardakhty
- Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran; School of Pharmacy and Pharmaceutical Sciences, Kerman University of Medical Sciences, Kerman, Iran
| | - Hamid Forootanfar
- School of Pharmacy and Pharmaceutical Sciences, Kerman University of Medical Sciences, Kerman, Iran; Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Kerman University of Medical Sciences, Kerman, Iran
| | - Payam Khazaeli
- Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran; School of Pharmacy and Pharmaceutical Sciences, Kerman University of Medical Sciences, Kerman, Iran.
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21
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Thomas JM, Friddin MS, Ces O, Elani Y. Programming membrane permeability using integrated membrane pores and blockers as molecular regulators. Chem Commun (Camb) 2018; 53:12282-12285. [PMID: 29091084 DOI: 10.1039/c7cc05423h] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
We report a bottom-up synthetic biology approach to engineering vesicles with programmable permeabilities. Exploiting the concentration-dependent relationship between constitutively active pores (alpha-hemolysin) and blockers allows blockers to behave as molecular regulators for tuning permeability, enabling us to systematically modulate cargo release kinetics without changing the lipid fabric of the system.
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Affiliation(s)
- Julia M Thomas
- Department of Chemistry, Imperial College London, Exhibition Road, London, SW7 2AZ, UK.
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22
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Guo Y, Di Mare L, Li RKY, Wong JSS. Cargo Release from Polymeric Vesicles under Shear. Polymers (Basel) 2018; 10:E336. [PMID: 30966371 PMCID: PMC6414962 DOI: 10.3390/polym10030336] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2018] [Revised: 03/10/2018] [Accepted: 03/16/2018] [Indexed: 12/20/2022] Open
Abstract
In this paper we study the release of cargo from polymeric nano-carriers under shear. Vesicles formed by two star block polymers- A 12 B 6 C 2 ( A B C ) and A 12 B 6 A 2 ( A B A )-and one linear block copolymer- A 14 B 6 ( A B ), are investigated using dissipative particle dynamics (DPD) simulations. A - and C -blocks are solvophobic and B -block is solvophilic. The three polymers form vesicles of different structures. The vesicles are subjected to shear both in bulk and between solvophobic walls. In bulk shear, the mechanisms of cargo release are similar for all vesicles, with cargo travelling through vesicle membrane with no preferential release location. When sheared between walls, high cargo release rate is only observed with A B C vesicle after it touches the wall. For A B C vesicle, the critical condition for high cargo release rate is the formation of wall-polymersome interface after which the effect of shear rate in promoting cargo release is secondary. High release rate is achieved by the formation of solvophilic pathway allowing cargo to travel from the vesicle cavity to the vesicle exterior. The results in this paper show that well controlled target cargo release using polymersomes can be achieved with polymers of suitable design and can potentially be very useful for engineering applications. As an example, polymersomes can be used as carriers for surface active friction reducing additives which are only released at rubbing surfaces where the additives are needed most.
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Affiliation(s)
- Yingying Guo
- Department of Mechanical Engineering, Imperial College London, London SW 7 2AZ, UK.
| | - Luca Di Mare
- Department of Engineering Science, University of Oxford, Oxford Thermofluids Institute, Oxford OX2 0ES, UK.
| | - Robert K Y Li
- Department of Materials Science and Engineering, City University of Hong Kong, Tat Chee Ave, Kowloon Tong, Hong Kong, China.
| | - Janet S S Wong
- Department of Mechanical Engineering, Imperial College London, London SW 7 2AZ, UK.
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23
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Godoy-Gallardo M, York-Duran MJ, Hosta-Rigau L. Recent Progress in Micro/Nanoreactors toward the Creation of Artificial Organelles. Adv Healthc Mater 2018; 7. [PMID: 29205928 DOI: 10.1002/adhm.201700917] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Revised: 10/11/2017] [Indexed: 12/25/2022]
Abstract
Artificial organelles created from a bottom up approach are a new type of engineered materials, which are not designed to be living but, instead, to mimic some specific functions inside cells. By doing so, artificial organelles are expected to become a powerful tool in biomedicine. They can act as nanoreactors to convert a prodrug into a drug inside the cells or as carriers encapsulating therapeutic enzymes to replace malfunctioning organelles in pathological conditions. For the design of artificial organelles, several requirements need to be fulfilled: a compartmentalized structure that can encapsulate the synthetic machinery to perform an enzymatic function, as well as a means to allow for communication between the interior of the artificial organelle and the external environment, so that substrates and products can diffuse in and out the carrier allowing for continuous enzymatic reactions. The most recent and exciting advances in architectures that fulfill the aforementioned requirements are featured in this review. Artificial organelles are classified depending on their constituting materials, being lipid and polymer-based systems the most prominent ones. Finally, special emphasis will be put on the intracellular response of these newly emerging systems.
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Affiliation(s)
- Maria Godoy-Gallardo
- Department of Micro- and Nanotechnology; Center for Nanomedicine and Theranostics; DTU; Nanotech; Technical University of Denmark; Building 423 2800 Lyngby Denmark
| | - Maria J. York-Duran
- Department of Micro- and Nanotechnology; Center for Nanomedicine and Theranostics; DTU; Nanotech; Technical University of Denmark; Building 423 2800 Lyngby Denmark
| | - Leticia Hosta-Rigau
- Department of Micro- and Nanotechnology; Center for Nanomedicine and Theranostics; DTU; Nanotech; Technical University of Denmark; Building 423 2800 Lyngby Denmark
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24
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Molloy CP, Yao Y, Kammoun H, Bonnard T, Hoefer T, Alt K, Tovar-Lopez F, Rosengarten G, Ramsland PA, van der Meer AD, van den Berg A, Murphy AJ, Hagemeyer CE, Peter K, Westein E. Shear-sensitive nanocapsule drug release for site-specific inhibition of occlusive thrombus formation. J Thromb Haemost 2017; 15:972-982. [PMID: 28267256 DOI: 10.1111/jth.13666] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Indexed: 11/29/2022]
Abstract
Essentials Vessel stenosis due to large thrombus formation increases local shear 1-2 orders of magnitude. High shear at stenotic sites was exploited to trigger eptifibatide release from nanocapsules. Local delivery of eptifibatide prevented vessel occlusion without increased tail bleeding times. Local nanocapsule delivery of eptifibatide may be safer than systemic antiplatelet therapies. SUMMARY Background Myocardial infarction and stroke remain the leading causes of mortality and morbidity. The major limitation of current antiplatelet therapy is that the effective concentrations are limited because of bleeding complications. Targeted delivery of antiplatelet drug to sites of thrombosis would overcome these limitations. Objectives Here, we have exploited a key biomechanical feature specific to thrombosis, i.e. significantly increased blood shear stress resulting from a reduction in the lumen of the vessel, to achieve site-directed delivery of the clinically used antiplatelet agent eptifibatide by using shear-sensitive phosphatidylcholine (PC)-based nanocapsules. Methods PC-based nanocapsules (2.8 × 1012 ) with high-dose encapsulated eptifibatide were introduced into microfluidic blood perfusion assays and into in vivo models of thrombosis and tail bleeding. Results Shear-triggered nanocapsule delivery of eptifibatide inhibited in vitro thrombus formation selectively under stenotic and high shear flow conditions above a shear rate of 1000 s-1 while leaving thrombus formation under physiologic shear rates unaffected. Thrombosis was effectively prevented in in vivo models of vessel wall damage. Importantly, mice infused with shear-sensitive antiplatelet nanocapsules did not show prolonged bleeding times. Conclusions Targeted delivery of eptifibatide by shear-sensitive nanocapsules offers site-specific antiplatelet potential, and may form a basis for developing more potent and safer antiplatelet drugs.
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Affiliation(s)
- C P Molloy
- Atherothrombosis and Vascular Biology, Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia
| | - Y Yao
- Atherothrombosis and Vascular Biology, Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia
| | - H Kammoun
- Haematopoiesis and Leukocyte Biology, Baker Heart & Diabetes Institute, Melbourne, Victoria, Australia
| | - T Bonnard
- Nano Biotechnology Laboratory, Australian Centre for Blood Diseases, Monash University, Melbourne, Victoria, Australia
| | - T Hoefer
- Atherothrombosis and Vascular Biology, Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia
| | - K Alt
- Nano Biotechnology Laboratory, Australian Centre for Blood Diseases, Monash University, Melbourne, Victoria, Australia
| | - F Tovar-Lopez
- School of Engineering, RMIT University, Melbourne, Victoria, Australia
| | - G Rosengarten
- School of Engineering, RMIT University, Melbourne, Victoria, Australia
| | - P A Ramsland
- School of Science, RMIT University, Bundoora, Victoria, Australia
- Centre for Biomedical Research, Burnet Institute, Melbourne, Victoria, Australia
- Department of Immunology, Monash University, Melbourne, Victoria, Australia
- Department of Surgery at Austin Health, University of Melbourne, Heidelberg, Victoria, Australia
| | - A D van der Meer
- MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente, Enschede, the Netherlands
| | - A van den Berg
- MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente, Enschede, the Netherlands
| | - A J Murphy
- Haematopoiesis and Leukocyte Biology, Baker Heart & Diabetes Institute, Melbourne, Victoria, Australia
| | - C E Hagemeyer
- Nano Biotechnology Laboratory, Australian Centre for Blood Diseases, Monash University, Melbourne, Victoria, Australia
| | - K Peter
- Atherothrombosis and Vascular Biology, Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia
| | - E Westein
- Atherothrombosis and Vascular Biology, Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia
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25
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Quantitative analysis of molecular partition towards lipid membranes using surface plasmon resonance. Sci Rep 2017; 7:45647. [PMID: 28358389 PMCID: PMC5372468 DOI: 10.1038/srep45647] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Accepted: 03/01/2017] [Indexed: 12/27/2022] Open
Abstract
Understanding the interplay between molecules and lipid membranes is fundamental when studying cellular and biotechnological phenomena. Partition between aqueous media and lipid membranes is key to the mechanism of action of many biomolecules and drugs. Quantifying membrane partition, through adequate and robust parameters, is thus essential. Surface Plasmon Resonance (SPR) is a powerful technique for studying 1:1 stoichiometric interactions but has limited application to lipid membrane partition data. We have developed and applied a novel mathematical model for SPR data treatment that enables determination of kinetic and equilibrium partition constants. The method uses two complementary fitting models for association and dissociation sensorgram data. The SPR partition data obtained for the antibody fragment F63, the HIV fusion inhibitor enfuvirtide, and the endogenous drug kyotorphin towards POPC membranes were compared against data from independent techniques. The comprehensive kinetic and partition models were applied to the membrane interaction data of HRC4, a measles virus entry inhibitor peptide, revealing its increased affinity for, and retention in, cholesterol-rich membranes. Overall, our work extends the application of SPR beyond the realm of 1:1 stoichiometric ligand-receptor binding into a new and immense field of applications: the interaction of solutes such as biomolecules and drugs with lipids.
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26
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Epshtein M, Korin N. Shear targeted drug delivery to stenotic blood vessels. J Biomech 2016; 50:217-221. [PMID: 27863741 DOI: 10.1016/j.jbiomech.2016.11.015] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Accepted: 11/02/2016] [Indexed: 01/01/2023]
Abstract
In this review we focus on shear targeted drug delivery as a novel strategy to selectively deliver drugs to sites of vascular obstruction. We review the physics of stenotic (abnormally narrowed) blood vessels, while focusing mainly on the hemodynamics and transport phenomena at these sites. We then discuss how the local abnormal levels of shear stress, which can mechanically activate platelets, can be leveraged for localized drug delivery. We describe the development of Shear Activated Nano-particle Aggregates (SA-NPAs) that are designed to release and localize their nanoparticle drug carriers at sites of vascular stenosis. We present results in a variety of in vivo models, demonstrating the superiority of SA-NPAs carrying a thrombolytic drug compared to conventional treatment with the free drug. We also describe, shear-stress sensitive lenticular liposomes, which also show selective release under stenotic flow conditions. We then discuss limitations of both technologies, challenges in this new field and potential future applications. Altogether, we believe that mechano-sensitive therapeutics may offer a potential new approach for treatment of cardiovascular diseases.
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Affiliation(s)
- Mark Epshtein
- Faculty of Biomedical Engineering, Technion- Israel Institute of Technology, Haifa 32000, Israel
| | - Netanel Korin
- Faculty of Biomedical Engineering, Technion- Israel Institute of Technology, Haifa 32000, Israel.
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27
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Vitor MT, Bergami-Santos PC, Zômpero RHF, Cruz KSP, Pinho MP, Barbuto JAM, de la Torre LG. Cationic liposomes produced via ethanol injection method for dendritic cell therapy. J Liposome Res 2016; 27:249-263. [DOI: 10.1080/08982104.2016.1196702] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Micaela Tamara Vitor
- Department of Materials and Bioprocesses Engineering, School of Chemical Engineering, University of Campinas (Unicamp), Campinas, Brazil and
| | | | - Rafael Henrique Freitas Zômpero
- Department of Materials and Bioprocesses Engineering, School of Chemical Engineering, University of Campinas (Unicamp), Campinas, Brazil and
| | | | - Mariana Pereira Pinho
- Department of Immunology, Institute of Biomedical Sciences, University of São Paulo (USP), São Paulo, Brazil
| | | | - Lucimara Gaziola de la Torre
- Department of Materials and Bioprocesses Engineering, School of Chemical Engineering, University of Campinas (Unicamp), Campinas, Brazil and
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28
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Yoshimoto M, Sakakida Y, Tamura R, Natsume T, Ikeda T. Clusters of Phospholipid Vesicles as Platforms for Glucose Oxidase-Catalyzed Reaction in a Bubble-Column Bioreactor. Chem Eng Technol 2016. [DOI: 10.1002/ceat.201500051] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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29
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Mauroy C, Rico-Lattes I, Teissié J, Rols MP. Electric Destabilization of Supramolecular Lipid Vesicles Subjected to Fast Electric Pulses. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2015; 31:12215-12222. [PMID: 26488925 DOI: 10.1021/acs.langmuir.5b03090] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Biological membranes are weakly permeable to hydrophilic molecules and ions and electric pulses can induce their transient permeabilization, but this process is not well characterized. We directly assay the electropermeabilization process, on the minimum model of lipid vesicles, by using a highly sensitive fluorescence method based on manganese ion transport. The approach gives access, at the single-lipid self-assembly level, to the transmembrane potential needed to detect divalent ion permeabilization on supramolecular giant unilamellar lipid vesicles. The critical values are strongly dependent on the lipid composition and are observed to vary from 10 to 150 mV. These values appear to be much lower than those previously reported in the literature for cells and vesicles. The detection method appears to be a decisive parameter as it is controlled by the transport of the reporter dye. We also provide evidence that the electropermeabilization process is a transient transition of the lipid self-organization due to the loss of assembly cohesion induced by bioelectrochemical perturbations of the zwitterionic interface with the solution.
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Affiliation(s)
- Chloé Mauroy
- Institut de Pharmacologie et de Biologie Structurale, Centre National de la Recherche Scientifique, UMR 5089 and Université Paul Sabatier , 205 route de Narbonne, BP 64182, 31077 Toulouse, France
- Laboratoire des Interactions Moléculaires et Réactivité Chimique et Photochimique, UMR 5623 CNRS and Université Paul Sabatier , 118 route de Narbonne, 31062 Toulouse, France
| | - Isabelle Rico-Lattes
- Laboratoire des Interactions Moléculaires et Réactivité Chimique et Photochimique, UMR 5623 CNRS and Université Paul Sabatier , 118 route de Narbonne, 31062 Toulouse, France
| | - Justin Teissié
- Institut de Pharmacologie et de Biologie Structurale, Centre National de la Recherche Scientifique, UMR 5089 and Université Paul Sabatier , 205 route de Narbonne, BP 64182, 31077 Toulouse, France
- Emeritus Institut de Pharmacologie et de Biologie Structurale, Centre National de la Recherche Scientifique, UMR 5089 and Université Paul Sabatier, 205 route de Narbonne, BP 64182, 31077 Toulouse, France
| | - Marie-Pierre Rols
- Institut de Pharmacologie et de Biologie Structurale, Centre National de la Recherche Scientifique, UMR 5089 and Université Paul Sabatier , 205 route de Narbonne, BP 64182, 31077 Toulouse, France
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30
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Shin S, Ault JT, Stone HA. Flow-Driven Rapid Vesicle Fusion via Vortex Trapping. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2015; 31:7178-82. [PMID: 26098933 DOI: 10.1021/acs.langmuir.5b01752] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Fusion between suspended lipid vesicles is difficult to achieve without membrane proteins or ions because the vesicles have extremely low equilibrium membrane tension and high poration energy. Nonetheless, vesicle fusion in the absence of mediators can also be achieved by mechanical forcing that is strong enough to induce membrane poration. Here, we employ a strong fluid shear stress to achieve vesicle fusion. By utilizing a unique vortex formation phenomenon in branched channels as a platform for capturing, stressing, and fusing the lipid vesicles, we directly visualize using high-speed imaging the vesicle fusion events, induced solely by shear, on the time scale of submilliseconds. We show that a large vesicle with a size of up to ∼10 μm can be achieved by the fusion of nanoscale vesicles. This technique has the potential to be utilized as a fast and simple way to produce giant unilamellar vesicles and to serve as a platform for visualizing vesicle interactions and fusions in the presence of shear.
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Affiliation(s)
- Sangwoo Shin
- Department of Mechanical and Aerospace Engineering, Princeton University, Princeton, New Jersey 08544, United States
| | - Jesse T Ault
- Department of Mechanical and Aerospace Engineering, Princeton University, Princeton, New Jersey 08544, United States
| | - Howard A Stone
- Department of Mechanical and Aerospace Engineering, Princeton University, Princeton, New Jersey 08544, United States
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Kogan M, Feng B, Nordén B, Rocha S, Beke-Somfai T. Shear-induced membrane fusion in viscous solutions. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2014; 30:4875-4878. [PMID: 24758573 DOI: 10.1021/la404857r] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Large unilamellar lipid vesicles do not normally fuse under fluid shear stress. They might deform and open pores to relax the tension to which they are exposed, but membrane fusion occurring solely due to shear stress has not yet been reported. We present evidence that shear forces in a viscous solution can induce lipid bilayer fusion. The fusion of 1,2-dioleoyl-sn-glycero-3-phosphocholine (DOPC) liposomes is observed in Couette flow with shear rates above 3000 s(-1) provided that the medium is viscous enough. Liposome samples, prepared at different viscosities using a 0-50 wt % range of sucrose concentration, were studied by dynamic light scattering, lipid fusion assays using Förster resonance energy transfer (FRET), and linear dichroism (LD) spectroscopy. Liposomes in solutions with 40 wt % (or more) sucrose showed lipid fusion under shear forces. These results support the hypothesis that under suitable conditions lipid membranes may fuse in response to mechanical-force-induced stress.
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Affiliation(s)
- Maxim Kogan
- Department of Chemical and Biological Engineering, Physical Chemistry, Chalmers University of Technology , SE-412 96 Gothenburg, Sweden
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32
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Mellal D, Zumbuehl A. Exit-strategies - smart ways to release phospholipid vesicle cargo. J Mater Chem B 2013; 2:247-252. [PMID: 32261503 DOI: 10.1039/c3tb21086c] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
This highlight describes recent trends in fundamental phospholipid research towards possible future drug delivery technology. In particular it focuses on synthetic phospholipids and their vesicular constructs and describes selected "smart" ways to release cargo from liposomes. Various chemical and physical release triggers are discussed such as temperature changes, application of ultrasound, enzyme degradation, changes in pH, redox reactions, photochemical reactions, as well as the effects of shear stress on vesicles.
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Affiliation(s)
- Denia Mellal
- Department of Chemistry, University of Fribourg, Chemin du Musée 9, 1700 Fribourg, Switzerland.
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Rathee V, Krishnaswamy R, Pal A, Raghunathan VA, Impéror-Clerc M, Pansu B, Sood AK. Reversible shear-induced crystallization above equilibrium freezing temperature in a lyotropic surfactant system. Proc Natl Acad Sci U S A 2013; 110:14849-54. [PMID: 23986497 PMCID: PMC3773742 DOI: 10.1073/pnas.1304777110] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
We demonstrate a unique shear-induced crystallization phenomenon above the equilibrium freezing temperature (T(K)°) in weakly swollen isotropic (Li) and lamellar (La) mesophases with bilayers formed in a cationic-anionic mixed surfactant system. Synchrotron rheological X-ray diffraction study reveals the crystallization transition to be reversible under shear (i.e., on stopping the shear, the nonequilibrium crystalline phase Lc melts back to the equilibrium mesophase). This is different from the shear-driven crystallization below T(K)°, which is irreversible. Rheological optical observations show that the growth of the crystalline phase occurs through a preordering of the Li phase to an La phase induced by shear flow, before the nucleation of the Lc phase. Shear diagram of the Li phase constructed in the parameter space of shear rate (γ) vs. temperature exhibits Li → Lc and Li → La transitions above the equilibrium crystallization temperature T(K)°, in addition to the irreversible shear-driven nucleation of Lc in the Li phase below T(K)°. In addition to revealing a unique class of nonequilibrium phase transition, the present study urges a unique approach toward understanding shear-induced phenomena in concentrated mesophases of mixed amphiphilic systems.
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Affiliation(s)
- Vikram Rathee
- Department of Physics, Indian Institute of Science, Bangalore 560012, India
| | - Rema Krishnaswamy
- Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bangalore 560064, India
| | - Antara Pal
- Raman Research Institute, Bangalore 560080, India; and
| | | | - Marianne Impéror-Clerc
- Laboratoire de Physique des Solides, Unité Mixte de Recherche 8502 Centre National de la Recherche Scientifique, Université Paris-Sud 11, 91405 Orsay Cedex, France
| | - Brigitte Pansu
- Laboratoire de Physique des Solides, Unité Mixte de Recherche 8502 Centre National de la Recherche Scientifique, Université Paris-Sud 11, 91405 Orsay Cedex, France
| | - A. K. Sood
- Department of Physics, Indian Institute of Science, Bangalore 560012, India
- Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bangalore 560064, India
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Liposome clusters with shear stress-induced membrane permeability. Chem Phys Lipids 2013; 174:8-16. [DOI: 10.1016/j.chemphyslip.2013.06.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2013] [Revised: 05/15/2013] [Accepted: 06/03/2013] [Indexed: 11/18/2022]
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35
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Li L, Jiang W, Luo K, Song H, Lan F, Wu Y, Gu Z. Superparamagnetic iron oxide nanoparticles as MRI contrast agents for non-invasive stem cell labeling and tracking. Am J Cancer Res 2013; 3:595-615. [PMID: 23946825 PMCID: PMC3741608 DOI: 10.7150/thno.5366] [Citation(s) in RCA: 287] [Impact Index Per Article: 26.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2012] [Accepted: 12/12/2012] [Indexed: 12/21/2022] Open
Abstract
Stem cells hold great promise for the treatment of multiple human diseases and disorders. Tracking and monitoring of stem cells in vivo after transplantation can supply important information for determining the efficacy of stem cell therapy. Magnetic resonance imaging (MRI) combined with contrast agents is believed to be the most effective and safest non-invasive technique for stem cell tracking in living bodies. Commercial superparamagnetic iron oxide nanoparticles (SPIONs) in the aid of transfection agents (TAs) have been applied to labeling stem cells. However, owing to the potential toxicity of TAs, more attentions have been paid to develop novel SPIONs with specific surface coating or functional moieties which facilitate effective cell internalization in the absence of TAs. This review aims to summarize the recent progress in the design and preparation of SPIONs as cellular MRI probes, to discuss their applications and current problems facing in stem cell labeling and tracking, and to offer perspectives and solutions for the future development of SPIONs in this field.
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36
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Chattopadhyay S. Aerosol generation using nanometer liposome suspensions for pulmonary drug delivery applications. J Liposome Res 2013; 23:255-67. [PMID: 23738780 DOI: 10.3109/08982104.2013.802332] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Pulmonary lung targeting finds applications in drug delivery to the lung itself and to other body organs, via blood circulation following transfer across alveolar membranes. Understanding pulmonary drug delivery systems towards improving their efficacy needs identification of particle sizes of relevance and elucidation of links between suspension properties, techniques of atomisation and properties of the generated aerosols. This review article is focussed on understanding the elements of pulmonary drug delivery, specifically related to suspensions of small liposomes. Specific objectives of this review include (a) understanding aerosol particle deposition and absorption on pulmonary surface, (b) links between properties of aerosol generation and colloidal drug carriers used for drug encapsulation, and (c) investigation on the controlled properties of liposome aerosols generated using different atomisation techniques for efficacious aerosol therapy.
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Abstract
Stenosed segments of arteries significantly alter the blood flow known from healthy vessels. In particular, the wall shear stress at critically stenosed arteries is at least an order of magnitude higher than in healthy situations. This alteration represents a change in physical force and might be used as a trigger signal for drug delivery. Mechano-sensitive drug delivery systems that preferentially release their payload under increased shear stress are discussed. Therefore, besides biological or chemical markers, physical triggers are a further principle approach for targeted drug delivery. We hypothesize that such a physical trigger is much more powerful to release drugs for vasodilation, plaque stabilization, or clot lysis at stenosed arteries than any known biological or chemical ones.
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Affiliation(s)
- Till Saxer
- Cardiology, University Hospitals of Geneva, Rue Gabrielle Perret-Gentil 4, Geneva, Switzerland.
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38
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Holme MN, Fedotenko IA, Abegg D, Althaus J, Babel L, Favarger F, Reiter R, Tanasescu R, Zaffalon PL, Ziegler A, Müller B, Saxer T, Zumbuehl A. Shear-stress sensitive lenticular vesicles for targeted drug delivery. NATURE NANOTECHNOLOGY 2012; 7:536-43. [PMID: 22683843 DOI: 10.1038/nnano.2012.84] [Citation(s) in RCA: 193] [Impact Index Per Article: 16.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2012] [Accepted: 04/30/2012] [Indexed: 05/20/2023]
Abstract
Atherosclerosis results in the narrowing of arterial blood vessels and this causes significant changes in the endogenous shear stress between healthy and constricted arteries. Nanocontainers that can release drugs locally with such rheological changes can be very useful. Here, we show that vesicles made from an artificial 1,3-diaminophospholipid are stable under static conditions but release their contents at elevated shear stress. These vesicles have a lenticular morphology, which potentially leads to instabilities along their equator. Using a model cardiovascular system based on polymer tubes and an external pump to represent shear stress in healthy and constricted vessels of the heart, we show that drugs preferentially release from the vesicles in constricted vessels that have high shear stress.
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Affiliation(s)
- Margaret N Holme
- University of Geneva, Department of Organic Chemistry, Quai Ernest-Ansermet 30, 1211 Geneva, Switzerland
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Fan Y, Liu Y, Xi J, Guo R. Vesicle formation with amphiphilic chitosan derivatives and a conventional cationic surfactant in mixed systems. J Colloid Interface Sci 2011; 360:148-53. [DOI: 10.1016/j.jcis.2011.04.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2010] [Revised: 03/30/2011] [Accepted: 04/07/2011] [Indexed: 11/29/2022]
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Sarma N, Borah JM, Mahiuddin S, Gazi HAR, Guchhait B, Biswas R. Influence of Chain Length of Alcohols on Stokes’ Shift Dynamics in Catanionic Vesicles. J Phys Chem B 2011; 115:9040-9. [DOI: 10.1021/jp201402h] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Namrata Sarma
- Materials Science Division, North-East Institute of Science and Technology, CSIR, Jorhat 785006, Assam, India
| | - Jayanta M. Borah
- Materials Science Division, North-East Institute of Science and Technology, CSIR, Jorhat 785006, Assam, India
| | - Sekh Mahiuddin
- Materials Science Division, North-East Institute of Science and Technology, CSIR, Jorhat 785006, Assam, India
| | - Harun Al Rasid Gazi
- Department of Chemical, Biological and Macromolecular Sciences, S. N. Bose National Centre for Basic Sciences, JD Block, Sector III, Salt Lake City, Kolkata 700 098, India
| | - Biswajit Guchhait
- Department of Chemical, Biological and Macromolecular Sciences, S. N. Bose National Centre for Basic Sciences, JD Block, Sector III, Salt Lake City, Kolkata 700 098, India
| | - Ranjit Biswas
- Department of Chemical, Biological and Macromolecular Sciences, S. N. Bose National Centre for Basic Sciences, JD Block, Sector III, Salt Lake City, Kolkata 700 098, India
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Carlsen A, Glaser N, Le Meins JF, Lecommandoux S. Block copolymer vesicle permeability measured by osmotic swelling and shrinking. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2011; 27:4884-90. [PMID: 21405067 DOI: 10.1021/la105045m] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Vesicle response to osmotic shock provides insight into membrane permeability, a highly relevant value for applications ranging from nanoreactor experimentation to drug delivery. The osmotic shock approach has been employed extensively to elucidate the properties of phospholipid vesicles (liposomes) and of varieties of polymer vesicles (polymersomes). This study seeks to compare the membrane response for two varieties of polymersomes, a comb-type siloxane surfactant, poly(dimethylsiloxane)-g-poly(ethylene oxide) (PDMS-g-PEO), and a diblock copolymer, polybutadiene-b-poly(ethylene oxide) (PBut-b-PEO). Despite similar molecular weights and the same hydrophilic block (PEO), the two copolymers possess different hydrophobic blocks (PBut and PDMS) and corresponding glass transition temperatures (-31 and -123 °C, respectively). Dramatic variations in membrane response are observed during exposure to osmotic pressure differences, and values for polymer membrane permeability to water are extracted. We propose an explanation for the observed phenomena based on the respective properties of the PBut-b-PEO and PDMS-g-PEO membranes in terms of cohesion, thickness, and fluidity.
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Affiliation(s)
- Autumn Carlsen
- Université de Bordeaux, ENSCPB, 16 avenue Pey Berland, 33607 Pessac Cedex, France
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42
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Sanson C, Diou O, Thévenot J, Ibarboure E, Soum A, Brûlet A, Miraux S, Thiaudière E, Tan S, Brisson A, Dupuis V, Sandre O, Lecommandoux S. Doxorubicin loaded magnetic polymersomes: theranostic nanocarriers for MR imaging and magneto-chemotherapy. ACS NANO 2011; 5:1122-40. [PMID: 21218795 DOI: 10.1021/nn102762f] [Citation(s) in RCA: 256] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
Hydrophobically modified maghemite (γ-Fe(2)O(3)) nanoparticles were encapsulated within the membrane of poly(trimethylene carbonate)-b-poly(l-glutamic acid) (PTMC-b-PGA) block copolymer vesicles using a nanoprecipitation process. This formation method gives simple access to highly magnetic nanoparticles (MNPs) (loaded up to 70 wt %) together with good control over the vesicles size (100-400 nm). The simultaneous loading of maghemite nanoparticles and doxorubicin was also achieved by nanoprecipitation. The deformation of the vesicle membrane under an applied magnetic field has been evidenced by small angle neutron scattering. These superparamagnetic hybrid self-assemblies display enhanced contrast properties that open potential applications for magnetic resonance imaging. They can also be guided in a magnetic field gradient. The feasibility of controlled drug release by radio frequency magnetic hyperthermia was demonstrated in the case of encapsulated doxorubicin molecules, showing the viability of the concept of magneto-chemotherapy. These magnetic polymersomes can be used as efficient multifunctional nanocarriers for combined therapy and imaging.
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Affiliation(s)
- Charles Sanson
- Université de Bordeaux/IPB, ENSCBP, 16 avenue Pey Berland, 33607 Pessac Cedex, France
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Segota S, Tezak D. Spontaneous formation of vesicles. Adv Colloid Interface Sci 2006; 121:51-75. [PMID: 16769012 DOI: 10.1016/j.cis.2006.01.002] [Citation(s) in RCA: 180] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2005] [Accepted: 01/20/2006] [Indexed: 10/24/2022]
Abstract
his review highlights the relevant issues of spontaneous formation of vesicles. Both the common characteristics and the differences between liposomes and vesicles are given. The basic concept of the molecular packing parameter as a precondition of vesicles formation is discussed in terms of geometrical factors, including the volume and critical length of the amphiphile hydrocarbon chain. According to theoretical considerations, the formation of vesicles occurs in the systems with packing parameters between 1/2 and 1. Using common as well as new methods of vesicle preparation, a variety of structures is described, and their nomenclature is given. With respect to sizes, shapes and inner structures, vesicles structures can be formed as a result of self-organisation of curved bilayers into unilamellar and multilamellar closed soft particles. Small, large and giant uni-, oligo-, or multilamellar vesicles can be distinguished. Techniques for determination of the structure and properties of vesicles are described as visual observations by optical and electron microscopy as well as the scattering techniques, notably dynamic light scattering, small angle X-ray and neutron scattering. Some theoretical aspects are described in short, viz., the scattering and the inverse scattering problem, angular and time dependence of the scattering intensity, the principles of indirect Fourier transformation, and the determination of electron density of the system by deconvolution of p(r) function. Spontaneous formation of vesicles was mainly investigated in catanionic mixtures. A number of references are given in the review.
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Affiliation(s)
- Suzana Segota
- Department of Chemistry, University of Zagreb, Faculty of Science, Horvatovac 102a, P.O. Box 163, 10001 Zagreb, Croatia
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Granizo N, Alvarez M, Valiente M. The effect of octyl glucoside on rheological behavior of diluted and concentrated lamellar phases. J Colloid Interface Sci 2006; 298:363-8. [PMID: 16380125 DOI: 10.1016/j.jcis.2005.11.055] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2005] [Revised: 11/04/2005] [Accepted: 11/25/2005] [Indexed: 10/25/2022]
Abstract
We have investigated the rheological properties of lamellar liquid crystal formed by nonionic surfactants at low and high surfactant concentrations with a small amount of octyl glucoside and their relationship with the topology of the bilayer. Rheology is a specific signature of each bilayer topology. The decrease in viscosity by increasing the shear rate according to a power law with exponent close to -0.8 was found for the concentrated system of LSB/1-butanol/water and 1% in weight of OG. On the contrary, the decrease in the viscosity by increasing the shear rate for the diluted system is less pronounced with lower exponent values. The rheological data agrees with the presence of vesicles. A special case is the system with benzyl alcohol. The apparent viscosity does not follow the same power law than for alkanols.
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Affiliation(s)
- N Granizo
- Dpto. Química Física, Universidad de Alcalá, Madrid E-28871, Spain
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