1
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Tajima M, Nakamura H, Ohsaki S, Watano S. Effect of cholesterol on nanoparticle translocation across a lipid bilayer. Phys Chem Chem Phys 2024; 26:21229-21239. [PMID: 39073356 DOI: 10.1039/d4cp00330f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/30/2024]
Abstract
Nanoparticles (NPs) have attracted significant attention as carriers for the delivery of drugs, genes, and macromolecules for biomedical and therapeutic applications. These technologies require NPs to be delivered to the interior of the cell. However, this translocation is unlikely because of the presence of a cell membrane composed of phospholipids, cholesterol, proteins, and glycans. The cell membrane composition can influence its rigidity; thus, membrane composition is a crucial factor in determining the translocation of NPs across the cell membrane. Here, we focus on cholesterol, which is an essential component of biological cell membranes, and investigate NP translocation across membranes containing cholesterol under an applied electric field using a coarse-grained molecular dynamics simulation. We found that NPs could translocate directly across cholesterol-containing membranes without irreversible membrane disruption. This unique translocation was induced by two key phenomena. Before NP translocation, a phospholipid-rich/cholesterol-poor domain was formed at the NP-membrane contact interface. Second, a smaller transmembrane pore was formed in the cholesterol-containing membrane during membrane crossing of the NP. Our findings imply that the delivery of NPs to the cell interior across the cholesterol-containing membrane can be achieved by appropriately controlling the strength of the applied electric field, depending on the cholesterol content in the membrane.
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Affiliation(s)
- Masaya Tajima
- Department of Chemical Engineering, Osaka Metropolitan University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan.
| | - Hideya Nakamura
- Department of Chemical Engineering, Osaka Metropolitan University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan.
| | - Shuji Ohsaki
- Department of Chemical Engineering, Osaka Metropolitan University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan.
| | - Satoru Watano
- Department of Chemical Engineering, Osaka Metropolitan University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan.
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2
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Zhang S, Zhang X, Gao H, Zhang X, Sun L, Huang Y, Zhang J, Ding B. Cell Membrane-Coated Biomimetic Nanoparticles in Cancer Treatment. Pharmaceutics 2024; 16:531. [PMID: 38675192 PMCID: PMC11055162 DOI: 10.3390/pharmaceutics16040531] [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: 03/20/2024] [Revised: 04/08/2024] [Accepted: 04/08/2024] [Indexed: 04/28/2024] Open
Abstract
Nanoparticle-based drug delivery systems hold promise for cancer treatment by enhancing the solubility and stability of anti-tumor drugs. Nonetheless, the challenges of inadequate targeting and limited biocompatibility persist. In recent years, cell membrane nano-biomimetic drug delivery systems have emerged as a focal point of research and development, due to their exceptional traits, including precise targeting, low toxicity, and good biocompatibility. This review outlines the categorization and advantages of cell membrane bionic nano-delivery systems, provides an introduction to preparation methods, and assesses their applications in cancer treatment, including chemotherapy, gene therapy, immunotherapy, photodynamic therapy, photothermal therapy, and combination therapy. Notably, the review delves into the challenges in the application of various cell membrane bionic nano-delivery systems and identifies opportunities for future advancement. Embracing cell membrane-coated biomimetic nanoparticles presents a novel and unparalleled avenue for personalized tumor therapy.
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Affiliation(s)
- Shu Zhang
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 214122, China;
- Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, Department of Pharmaceutics, College of Medicine, Jiaxing University, Jiaxing 314001, China; (X.Z.); (H.G.); (X.Z.); (L.S.); (Y.H.)
| | - Xiaojuan Zhang
- Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, Department of Pharmaceutics, College of Medicine, Jiaxing University, Jiaxing 314001, China; (X.Z.); (H.G.); (X.Z.); (L.S.); (Y.H.)
| | - Huan Gao
- Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, Department of Pharmaceutics, College of Medicine, Jiaxing University, Jiaxing 314001, China; (X.Z.); (H.G.); (X.Z.); (L.S.); (Y.H.)
| | - Xiaoqin Zhang
- Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, Department of Pharmaceutics, College of Medicine, Jiaxing University, Jiaxing 314001, China; (X.Z.); (H.G.); (X.Z.); (L.S.); (Y.H.)
| | - Lidan Sun
- Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, Department of Pharmaceutics, College of Medicine, Jiaxing University, Jiaxing 314001, China; (X.Z.); (H.G.); (X.Z.); (L.S.); (Y.H.)
| | - Yueyan Huang
- Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, Department of Pharmaceutics, College of Medicine, Jiaxing University, Jiaxing 314001, China; (X.Z.); (H.G.); (X.Z.); (L.S.); (Y.H.)
| | - Jie Zhang
- Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, Department of Pharmaceutics, College of Medicine, Jiaxing University, Jiaxing 314001, China; (X.Z.); (H.G.); (X.Z.); (L.S.); (Y.H.)
| | - Baoyue Ding
- Jiaxing Key Laboratory for Photonanomedicine and Experimental Therapeutics, Department of Pharmaceutics, College of Medicine, Jiaxing University, Jiaxing 314001, China; (X.Z.); (H.G.); (X.Z.); (L.S.); (Y.H.)
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3
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Nakamura H, Okamura T, Tajima M, Kawano R, Yamaji M, Ohsaki S, Watano S. Enhancement of cell membrane permeability by using charged nanoparticles and a weak external electric field. Phys Chem Chem Phys 2023; 25:32356-32363. [PMID: 37975520 DOI: 10.1039/d3cp03281g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
Because the cell membrane is the main barrier of intracellular delivery, it is important to facilitate and control the translocation of extracellular compounds across it. Our earlier molecular dynamics simulations suggested that charged nanoparticles under a weak external electric field can enhance the permeability of the cell membrane without disrupting it. However, this membrane permeabilization approach has not been tested experimentally. This study investigated the membrane crossing of a model compound (dextran with a Mw of 3000-5000) using charged nanoparticles and a weak external electric field. A model bilayer lipid membrane was prepared by using a droplet contact method. The permeability of the membrane was evaluated using the electrophysiological technique. Even when the applied electric field was below the critical strength for membrane breakdown, dextran was able to cross the membrane without causing membrane breakdown. These results indicate that adding nanomaterials under a weak electric field may enhance the translocation of delivery compounds across the cell membrane with less damage, suggesting a new strategy for intracellular delivery systems.
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Affiliation(s)
- Hideya Nakamura
- Department of Chemical Engineering, Osaka Metropolitan University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan.
| | - Takumi Okamura
- Department of Chemical Engineering, Osaka Metropolitan University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan.
| | - Masaya Tajima
- Department of Chemical Engineering, Osaka Metropolitan University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan.
| | - Ryuji Kawano
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16 Naka-cho, Koganei, Tokyo 184-8588, Japan
| | - Misa Yamaji
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16 Naka-cho, Koganei, Tokyo 184-8588, Japan
| | - Shuji Ohsaki
- Department of Chemical Engineering, Osaka Metropolitan University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan.
| | - Satoru Watano
- Department of Chemical Engineering, Osaka Metropolitan University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan.
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4
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Farid N, Bux K, Ali K, Bashir A, Tahir R. Repurposing Amphotericin B: anti-microbial, molecular docking and molecular dynamics simulation studies suggest inhibition potential of Amphotericin B against MRSA. BMC Chem 2023; 17:67. [PMID: 37386581 DOI: 10.1186/s13065-023-00980-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 06/21/2023] [Indexed: 07/01/2023] Open
Abstract
Amphotericin B (AMPH) is an anti-fungal drug and this study, for the first time as best of our knowledge, reports the repurposing of the Amphotericin B. The drug was found to show significant antibacterial potential revealed by antimicrobial screening, molecular docking, and mode of action analysis targeting Penicillin Binding Protein 2a (PBP 2a protein) which is target of β-lactam drugs and is involved in cell wall synthesis. Mode of action analysis showed the drug to have hydrophobic and hydrophilic interactions with both C-terminal, trans-peptidase and non-penicillin binding domain of the protein. Additionally, to evaluate the impact of ligand binding on the protein's conformational dynamics, molecular dynamics (MD) simulations were used. Comparative Dynamical flexibility (RMSF) and Dynamics Cross Correlation (DCCM) followed by MD simulations revealed the complex formation significantly effecting structural dynamics of the enzyme significantly in the non-penicillin binding domain (327-668) and slightly in trans peptidase domain. Radius of gyration assessment further showed ligand binding also decreasing over all compactness of protein. Secondary structure analysis indicated the complex formation changing the conformational integrity in non-penicillin binding domain. Hydrogen bond analysis and MMPBSA, free energy of calculations followed by MD simulations, also complemented the antimicrobial and molecular docking revelations suggesting Amphotericin B to have substantial antibacterial potential.
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Affiliation(s)
- Neha Farid
- Department of Biosciences, Faculty of Life Sciences, Shaheed Zulfikar Ali Bhutto Institute of Science and Technology (SZABIST), Karachi, Pakistan.
| | - Khair Bux
- Department of Biosciences, Faculty of Life Sciences, Shaheed Zulfikar Ali Bhutto Institute of Science and Technology (SZABIST), Karachi, Pakistan.
| | - Kashif Ali
- Department of Biosciences, Faculty of Life Sciences, Shaheed Zulfikar Ali Bhutto Institute of Science and Technology (SZABIST), Karachi, Pakistan
| | - Asma Bashir
- Department of Biosciences, Faculty of Life Sciences, Shaheed Zulfikar Ali Bhutto Institute of Science and Technology (SZABIST), Karachi, Pakistan
| | - Rahima Tahir
- Department of Biosciences, Faculty of Life Sciences, Shaheed Zulfikar Ali Bhutto Institute of Science and Technology (SZABIST), Karachi, Pakistan
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5
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Mou Q, Xu M, Deng J, Hu N, Yang J. Studying the roles of salt ions in the pore initiation and closure stages in the biomembrane electroporation. APL Bioeng 2023; 7:026103. [PMID: 37180734 PMCID: PMC10168715 DOI: 10.1063/5.0147104] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Accepted: 04/24/2023] [Indexed: 05/16/2023] Open
Abstract
Electroporation shows great potential in biology and biomedical applications. However, there is still a lack of reliable protocol for cell electroporation to achieve a high perforation efficiency due to the unclear influence mechanism of various factors, especially the salt ions in buffer solution. The tiny membrane structure of a cell and the electroporation scale make it difficult to monitor the electroporation process. In this study, we used both molecular dynamics (MD) simulation and experimental methods to explore the influence of salt ions on the electroporation process. Giant unilamellar vesicles (GUVs) were constructed as the model, and sodium chloride (NaCl) was selected as the representative salt ion in this study. The results show that the electroporation process follows lag-burst kinetics, where the lag period first appears after applying the electric field, followed by a rapid pore expansion. For the first time, we find that the salt ion plays opposite roles in different stages of the electroporation process. The accumulation of salt ions near the membrane surface provides an extra potential to promote the pore initiation, while the charge screening effect of the ions within the pore increases the line tension of the pore to induce the instability of the pore and lead to the closure. The GUV electroporation experiments obtain qualitatively consistent results with MD simulations. This work can provide guidance for the selection of parameters for cell electroporation process.
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Affiliation(s)
- Qiongyao Mou
- Key Laboratory of Biorheological Science and Technology, Ministry of Education and Bioengineering College, Chongqing University, Chongqing 400044, China
| | - Mengli Xu
- Key Laboratory of Biorheological Science and Technology, Ministry of Education and Bioengineering College, Chongqing University, Chongqing 400044, China
| | - Jinan Deng
- Key Laboratory of Biorheological Science and Technology, Ministry of Education and Bioengineering College, Chongqing University, Chongqing 400044, China
| | - Ning Hu
- Key Laboratory of Biorheological Science and Technology, Ministry of Education and Bioengineering College, Chongqing University, Chongqing 400044, China
| | - Jun Yang
- Key Laboratory of Biorheological Science and Technology, Ministry of Education and Bioengineering College, Chongqing University, Chongqing 400044, China
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6
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Chen Y, Zhu M, Huang B, Jiang Y, Su J. Advances in cell membrane-coated nanoparticles and their applications for bone therapy. BIOMATERIALS ADVANCES 2023; 144:213232. [PMID: 36502750 DOI: 10.1016/j.bioadv.2022.213232] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/24/2022] [Accepted: 11/29/2022] [Indexed: 06/17/2023]
Abstract
Due to the specific structure of natural bone, most of the therapeutics are incapable to be delivered into the targeted site with effective concentrations. Nanotechnology has provided a good way to improve this issue, cell membrane mimetic nanoparticles (NPs) have been emerging as an ideal nanomaterial which integrates the advantages of natural cell membranes with synthetic NPs to significantly improve the biocompatibility as well as achieving long-lasting circulation and targeted delivery. In addition, functionalized modifications of the cell membrane facilitate more precise targeting and therapy. Here, an overview of the preparation of cell membrane-coated NPs and the properties of cell membranes from different cell sources has been given to expatiate their function and potential applications. Strategies for functionalized modification of cell membranes are also briefly described. The application of cell membrane-coated NPs for bone therapy is then presented according to the function of cell membranes. Moreover, the prospects and challenges of cell membrane-coated NPs for translational medicine have also been discussed.
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Affiliation(s)
- Yutong Chen
- Organoid Research Centre, Institute of Translational Medicine, Shanghai University, Shanghai 200444, PR China; School of Medicine, Shanghai University, Shanghai 200444, PR China; School of Life Sciences, Shanghai University, Shanghai 200444, PR China
| | - Mengru Zhu
- Organoid Research Centre, Institute of Translational Medicine, Shanghai University, Shanghai 200444, PR China; School of Medicine, Shanghai University, Shanghai 200444, PR China
| | - Biaotong Huang
- Organoid Research Centre, Institute of Translational Medicine, Shanghai University, Shanghai 200444, PR China; Wenzhou Institute of Shanghai University, Wenzhou 325000, PR China.
| | - Yingying Jiang
- Organoid Research Centre, Institute of Translational Medicine, Shanghai University, Shanghai 200444, PR China.
| | - Jiacan Su
- Organoid Research Centre, Institute of Translational Medicine, Shanghai University, Shanghai 200444, PR China.
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7
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Chiarpotti MV, Longo GS, Del Pópolo MG. Voltage-Induced Adsorption of Cationic Nanoparticles on Lipid Membranes. J Phys Chem B 2022; 126:2230-2240. [PMID: 35293749 DOI: 10.1021/acs.jpcb.1c10499] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
We evaluate the effects of an applied electric potential on the adsorption/desorption mechanism of cationic nanoparticles on lipid membranes. By applying a molecular theory that allows calculating nanoparticle adsorption isotherms and free-energy profiles, we identify the conditions under which the external voltage promotes the adsorption of nanoparticles coated with cell penetrating peptides. We consider symmetric and asymmetric membranes made of neutral and acidic lipids and cover a wide range of environmental conditions (external voltage, pH, salt, and nanoparticles concentration) relevant to both electrochemical experiments and biological systems. For neutral membranes at low concentration of salt, a moderate external voltage (<100 mV) induces spontaneous adsorption of nanoparticles. For membranes containing a small fraction of anionic lipids, the external potential has little effect on the interfacial concentration of nanoparticles, and the membrane surface charge dominates the adsorption behavior. In all cases, the membrane-particle effective interactions, and its dependence on the external bias, are strongly modulated by the concentration of salt. At 100 mM NaCl, the external potential has almost no effect on the adsorption free energy profiles. In general, we provide a theoretical framework to evaluate the conditions under which nanoparticles are thermodynamically adsorbed or kinetically restrained to the vicinity of the membrane, and to assess the impact of the nanoparticles on the interfacial electrostatic properties.
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Affiliation(s)
- María V Chiarpotti
- Instituto Interdisciplinario de Ciencias Básicas (ICB), CONICET & Facultad de Ciencias Exactas y Naturales, UNCUYO, Padre Contreras 1300, Mendoza, Argentina, C.P. 5500
| | - Gabriel S Longo
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA) UNLP-CONICET, Diagonal 113 & 64 S/N, La Plata, Argentina, C.P. B1904DPI
| | - Mario G Del Pópolo
- Instituto Interdisciplinario de Ciencias Básicas (ICB), CONICET & Facultad de Ciencias Exactas y Naturales, UNCUYO, Padre Contreras 1300, Mendoza, Argentina, C.P. 5500
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8
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Noble BB, Todorova N, Yarovsky I. Electromagnetic bioeffects: a multiscale molecular simulation perspective. Phys Chem Chem Phys 2022; 24:6327-6348. [PMID: 35245928 DOI: 10.1039/d1cp05510k] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Electromagnetic bioeffects remain an enigma from both the experimental and theoretical perspectives despite the ubiquitous presence of related technologies in contemporary life. Multiscale computational modelling can provide valuable insights into biochemical systems and predict how they will be perturbed by external stimuli. At a microscopic level, it can be used to determine what (sub)molecular scale reactions various stimuli might induce; at a macroscopic level, it can be used to examine how these changes affect dynamic behaviour of essential molecules within the crowded biomolecular milieu in living tissues. In this review, we summarise and evaluate recent computational studies that examined the impact of externally applied electric and electromagnetic fields on biologically relevant molecular systems. First, we briefly outline the various methodological approaches that have been employed to study static and oscillating field effects across different time and length scales. The practical value of such modelling is then illustrated through representative case-studies that showcase the diverse effects of electric and electromagnetic field on the main physiological solvent - water, and the essential biomolecules - DNA, proteins, lipids, as well as some novel biomedically relevant nanomaterials. The implications and relevance of the theoretical multiscale modelling to practical applications in therapeutic medicine are also discussed. Finally, we summarise ongoing challenges and potential opportunities for theoretical modelling to advance the current understanding of electromagnetic bioeffects for their modulation and/or beneficial exploitation in biomedicine and industry.
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Affiliation(s)
- Benjamin B Noble
- School of Engineering, RMIT University, GPO Box 2476, Melbourne, Australia. .,Australian Centre for Electromagnetic Bioeffects Research, Australia
| | - Nevena Todorova
- School of Engineering, RMIT University, GPO Box 2476, Melbourne, Australia. .,Australian Centre for Electromagnetic Bioeffects Research, Australia
| | - Irene Yarovsky
- School of Engineering, RMIT University, GPO Box 2476, Melbourne, Australia. .,Australian Centre for Electromagnetic Bioeffects Research, Australia
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9
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Liu H, Pei Y. Atomistic Molecular Dynamics Simulation Study on the Interaction between Atomically Precise Thiolate-Protected Gold Nanoclusters and Phospholipid Membranes. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:1653-1661. [PMID: 35080404 DOI: 10.1021/acs.langmuir.1c02001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The interaction of atomically precise monolayer thiolate (SR) protected gold nanoclusters (Au NCs) with the phospholipid membranes has been studied by the all-atom molecular dynamics (AAMD) simulations. The effect of cluster size, type, and the surface charge density of protection ligand was studied. The simulation results show gold nanoclusters with different size and surface modifications have much different transmembrane behaviors. The Au25(SR)18 cluster was found to possess the best affinity to the phospholipid membranes among six atomically accurate clusters Au25(SR)18, Au36(SR)24, Au44(SR)28, Au68(SR)32, Au144(SR)60, and Au314(SR)96. Using the Au25 NC as a model, this work also found that the aggregation mode of the surface ligands and the surface charge density are the important factors affecting the interaction between the gold nanoclusters and the phospholipid membranes. Moreover, the balance of hydrophilic and hydrophobic ligands on the surface of Au NCs is beneficial to the high permeability.
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Affiliation(s)
- Hengzhi Liu
- Department of Chemistry, Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Xiangtan University, Xiangtan, Hunan Province 411105, China
| | - Yong Pei
- Department of Chemistry, Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Xiangtan University, Xiangtan, Hunan Province 411105, China
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10
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Quan X, Zhao D, Zhou J. The interplay between surface-functionalized gold nanoparticles and negatively charged lipid vesicles. Phys Chem Chem Phys 2021; 23:23526-23536. [PMID: 34642720 DOI: 10.1039/d1cp01903a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The comprehensive understanding of the interactions between gold nanoparticles (AuNPs) and phospholipid vesicles has important implications in various biomedical applications; however, this is not yet well understood. Here, coarse-grained molecular dynamics (CGMD) simulations were performed to study the interactions between functionalized AuNPs and negatively charged lipid vesicles, and the effects of the surface chemistry and surface charge density (SCD) of AuNPs were analyzed. It is revealed that AuNPs with different surface ligands adhere to the membrane surface (anionic AuNPs) or get into the vesicle bilayer (hydrophobic and cationic AuNPs). Due to the loose arrangement of lipid molecules, AuNPs penetrate curved vesicle membranes more easily than planar lipid bilayers. Cationic AuNPs present three different interaction modes with the vesicle, namely insertion, partial penetration and complete penetration, which are decided by the SCD difference. Both hydrophobic interaction and electrostatic interaction play crucial roles in the interplay between cationic AuNPs and lipid vesicles. For the cationic AuNP with a low SCD, it gets into the lipid bilayer without membrane damage through the hydrophobic interaction, and it is finally stabilized in the hydrophobic interior of the vesicle membrane in a thermodynamically stable "snorkeling" configuration. For the cationic AuNP with a high SCD, it crosses the vesicle membrane and gets into the vesicle core through a membrane pore induced by strong electrostatic interaction. In this process, the membrane structure is destroyed. These findings provide a molecular-level understanding of the interplay between AuNPs and lipid vesicles, which may further expand the application of functional AuNPs in modern biomedicine.
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Affiliation(s)
- Xuebo Quan
- School of Chemistry and Chemical Engineering, Guangdong Provincial Key Lab for Green Chemical Product Technology, South China University of Technology, Guangzhou, 510640, P. R. China.
| | - Daohui Zhao
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, School of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062, P. R. China
| | - Jian Zhou
- School of Chemistry and Chemical Engineering, Guangdong Provincial Key Lab for Green Chemical Product Technology, South China University of Technology, Guangzhou, 510640, P. R. China.
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11
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Vargas-Ortíz JR, Böhnel HN, Gonzalez C, Esquivel K. Magnetic nanoparticle behavior evaluation on cardiac tissue contractility through Langendorff rat heart technique as a nanotoxicology parameter. APPLIED NANOSCIENCE 2021. [DOI: 10.1007/s13204-021-02031-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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12
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Ikeda Y, Nakamura H, Ohsaki S, Watano S. Direct translocation of a negatively charged nanoparticle across a negatively charged model cell membrane. Phys Chem Chem Phys 2021; 23:10591-10599. [PMID: 33903858 DOI: 10.1039/d0cp06278b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Nanoparticles have attracted much attention as a carrier for drug, gene, and macromolecule delivery in next-generation biomedical and therapeutic technologies. In delivery applications, nanoparticles tend to have negative charge due to the negative charge of biomolecules used as delivery cargo, while biological cell membranes are also negatively charged. This means that negatively charged nanoparticles (NC-NPs) are required to translocate across these negatively charged cell membranes (NC-CMs). However, this translocation is unlikely to occur because of electrostatic interactions. Here, we investigated the translocation of a NC-NP across a NC-CM under a transmembrane electric potential through coarse-grained molecular dynamics simulations. To model the transmembrane potential, two approaches were adopted: externally applied electric field and ionic charge imbalance. We showed that a NC-NP can directly translocate across a NC-CM via a non-disruptive pathway under a weak external electric field with an ionic charge imbalance. It was also found that the ionic charge imbalance contributes to the membrane crossing of a NC-NP as well as the self-resealing of the cell membrane after a NC-NP translocation. Our findings imply that NC-NPs can be delivered into a cell by combining applied electric field with membrane hyperpolarization/depolarization induced by an external stimulus.
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Affiliation(s)
- Yoko Ikeda
- Department of Chemical Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan.
| | - Hideya Nakamura
- Department of Chemical Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan.
| | - Shuji Ohsaki
- Department of Chemical Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan.
| | - Satoru Watano
- Department of Chemical Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan.
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13
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Marzuoli I, Cruz CHB, Lorenz CD, Fraternali F. Nanocapsule designs for antimicrobial resistance. NANOSCALE 2021; 13:10342-10355. [PMID: 34137751 DOI: 10.1039/d0nr08146a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The pressing need of new antimicrobial products is growing stronger, particularly because of widespread antimicrobial resistance, endangering our ability to treat common infections. The recent coronavirus pandemic has dramatically highlighted the necessity of effective antibacterial and antiviral protection. This work explores at the molecular level the mechanism of action of antibacterial nanocapsules assembled in virus-like particles, their stability and their interaction with mammal and antimicrobial model membranes. We use Molecular Dynamics with force-fields of different granularity and protein design strategies to study the stability, self-assembly and membrane poration properties of these nanocapsules.
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Affiliation(s)
- Irene Marzuoli
- Randall Centre for Cell and Molecular Biology, King's College London, London, UK.
| | - Carlos H B Cruz
- Randall Centre for Cell and Molecular Biology, King's College London, London, UK.
| | | | - Franca Fraternali
- Randall Centre for Cell and Molecular Biology, King's College London, London, UK.
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14
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Morillas-Becerril L, Franco-Ulloa S, Fortunati I, Marotta R, Sun X, Zanoni G, De Vivo M, Mancin F. Specific and nondisruptive interaction of guanidium-functionalized gold nanoparticles with neutral phospholipid bilayers. Commun Chem 2021; 4:93. [PMID: 36697571 PMCID: PMC9814519 DOI: 10.1038/s42004-021-00526-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 05/05/2021] [Indexed: 01/28/2023] Open
Abstract
Understanding and controlling the interaction between nanoparticles and biological entities is fundamental to the development of nanomedicine applications. In particular, the possibility to realize nanoparticles capable of directly targeting neutral lipid membranes would be advantageous to numerous applications aiming at delivering nanoparticles and their cargos into cells and biological vesicles. Here, we use experimental and computational methodologies to analyze the interaction between liposomes and gold nanoparticles (AuNPs) featuring cationic headgroups in their protecting monolayer. We find that in contrast to nanoparticles decorated with other positively charged headgroups, guanidinium-coated AuNPs can bind to neutral phosphatidylcholine liposomes, inducing nondisruptive membrane permeabilization. Atomistic molecular simulations reveal that this ability is due to the multivalent H-bonding interaction between the phosphate residues of the liposome's phospholipids and the guanidinium groups. Our results demonstrate that the peculiar properties of arginine magic, an effect responsible for the membranotropic properties of some naturally occurring peptides, are also displayed by guanidinium-bearing functionalized AuNPs.
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Affiliation(s)
- Lucía Morillas-Becerril
- grid.5608.b0000 0004 1757 3470Dipartimento di Scienze Chimiche, Università di Padova, via Marzolo 1, Padova, Italy
| | - Sebastian Franco-Ulloa
- grid.25786.3e0000 0004 1764 2907Laboratory of Molecular Modeling and Drug Discovery, Istituto Italiano di Tecnologia, Via Morego 30, Genoa, Italy ,Present Address: Expert Analytics. Møllergata 8, Oslo, Norway
| | - Ilaria Fortunati
- grid.5608.b0000 0004 1757 3470Dipartimento di Scienze Chimiche, Università di Padova, via Marzolo 1, Padova, Italy
| | - Roberto Marotta
- grid.25786.3e0000 0004 1764 2907Electron Microscopy Facility (EMF), Istituto Italiano di Tecnologia, Via Morego 30, Genoa, Italy
| | - Xiaohuan Sun
- grid.268415.cSchool of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu People’s Republic of China
| | - Giordano Zanoni
- grid.5608.b0000 0004 1757 3470Dipartimento di Scienze Chimiche, Università di Padova, via Marzolo 1, Padova, Italy
| | - Marco De Vivo
- grid.25786.3e0000 0004 1764 2907Laboratory of Molecular Modeling and Drug Discovery, Istituto Italiano di Tecnologia, Via Morego 30, Genoa, Italy
| | - Fabrizio Mancin
- grid.5608.b0000 0004 1757 3470Dipartimento di Scienze Chimiche, Università di Padova, via Marzolo 1, Padova, Italy
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15
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Ozbek O, O Ulgen K, Ileri Ercan N. The Toxicity of Polystyrene-Based Nanoparticles in Saccharomyces cerevisiae Is Associated with Nanoparticle Charge and Uptake Mechanism. Chem Res Toxicol 2021; 34:1055-1068. [PMID: 33710856 DOI: 10.1021/acs.chemrestox.0c00468] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Polystyrene latex (PSL) nanoparticles (NPs), 1,2-dioleoyl-sn-glycero-3-phosphocholine (DOPC) liposomes, and hybrid NPs that have different concentrations, sizes, surface charges, and functional groups were used to determine their toxicity to Saccharomyces cerevisiae cells. The size, charge, and morphology of the nanoparticles were characterized by dynamic light scattering, electrophoretic light scattering, scanning transmission electron microscopy, and transmission electron microscopy analysis. The cell viabilities were determined by colony forming unit analysis and confocal laser scanning microscopy imaging. Uptake inhibition studies were performed to determine the internalization mechanism of PSL NPs. At 50 mg/L, both positively and negatively charged NPs were slightly toxic. With increasing concentration, however, full toxicities were observed with positively charged PSL NPs, while a marginal increase in toxicity was obtained with negatively charged PSL NPs. For negatively charged and carboxyl-functionalized NPs, an increase in size induced toxicity, whereas for positively charged and amine-functionalized NPs, smaller-sized NPs were more toxic to yeast cells. Negatively charged NPs were internalized by the yeast cells, but they showed toxicity when they entered the cell vacuole. Positively charged NPs, however, accumulated on the cell surface and caused toxicity. When coated with DOPC liposomes, positively charged NPs became significantly less toxic. We attribute this reduction to the larger-diameter and/or more-agglomerated NPs in the extracellular environment, which resulted in lower interactions with the cell. In addition to endocytosis, it is possible that the negatively charged NPs (30-C-n) were internalized by the cells, partly via direct permeation, which is preferred for high drug delivery efficiency. Negatively charged PSL NP exposure to the yeast cells at low-to-moderate concentrations resulted in low toxicities in the long term. Our results indicate that negatively charged PSL NPs provide safer alternatives as cargo carriers in drug delivery applications. Moreover, the variations in NP size, concentration, and exposure time, along with the use of hybrid systems, have significant roles in nanoparticle-based drug delivery applications in terms of their effects on living organisms.
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Affiliation(s)
- Ozlem Ozbek
- Chemical Engineering Department, Bogazici University, Bebek, Istanbul 34342, Turkey
| | - Kutlu O Ulgen
- Chemical Engineering Department, Bogazici University, Bebek, Istanbul 34342, Turkey
| | - Nazar Ileri Ercan
- Chemical Engineering Department, Bogazici University, Bebek, Istanbul 34342, Turkey
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16
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Xu Z, He Z, Quan X, Sun D, Miao Z, Yu H, Yang S, Chen Z, Zeng J, Zhou J. Molecular simulations of charged complex fluids: A review. Chin J Chem Eng 2021. [DOI: 10.1016/j.cjche.2020.11.036] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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17
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Li W, Cheng S, Wang B, Mao Z, Zhang J, Zhang Y, Liu QH. The transport of a charged peptide through carbon nanotubes under an external electric field: a molecular dynamics simulation. RSC Adv 2021; 11:23589-23596. [PMID: 35479828 PMCID: PMC9036599 DOI: 10.1039/d0ra09184g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 06/14/2021] [Indexed: 12/02/2022] Open
Abstract
The study of interactions between biomolecules and carbon nanotubes (CNTs) is of great importance in CNT-based drug delivery systems and biomedical devices. In this work, the transport of polyarginine (R8) peptide through CNTs under an external electric field was investigated via all-atom molecular dynamics (AAMD) simulation. It was found that the electric field can assist the R8 peptide to overcome the resistance and make the transport smooth. Moreover, the efficiency of transport was improved with the increasing intensity of the electric field in a suitable range. In addition, we also investigated the effects of different types of CNTs on the transport of the R8 peptide and found that the single-walled carbon nanotube (SWCNT) was more suitable for transporting the R8 peptide than the double-walled carbon nanotube (DWCNT) due to its lower energy barrier to the R8 peptide. All these findings shed light on the role of the electric field on the transport of the R8 peptide through CNTs and also gave some valuable insights into the effects of CNT types on the transport process of the peptide. The role of electric field and types of carbon nanotube influencing the delivery process of peptide through CNTs were studied via all-atom molecular dynamics simulation.![]()
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Affiliation(s)
- Wen Li
- Institute of Electromagnetics and Acoustics, and Department of Electronic Science
- Xiamen University
- Xiamen
- P. R. China
| | - Shun Cheng
- Institute of Electromagnetics and Acoustics, and Department of Electronic Science
- Xiamen University
- Xiamen
- P. R. China
| | - Bin Wang
- Institute of Electromagnetics and Acoustics, and Department of Electronic Science
- Xiamen University
- Xiamen
- P. R. China
| | - Zheng Mao
- Nanjing Institute of Technology
- Nanjing
- China
| | - Jianhua Zhang
- Institute of Electromagnetics and Acoustics, and Department of Electronic Science
- Xiamen University
- Xiamen
- P. R. China
- Department of Physics
| | - Youyu Zhang
- Institute of Electromagnetics and Acoustics, and Department of Electronic Science
- Xiamen University
- Xiamen
- P. R. China
- Shenzhen Research Institute of Xiamen University
| | - Qing Huo Liu
- Department of Electrical and Computer Engineering
- Duke University
- Durham
- USA
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18
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Abstract
Molecular dynamics (MD) simulations have become increasingly useful in the modern drug development process. In this review, we give a broad overview of the current application possibilities of MD in drug discovery and pharmaceutical development. Starting from the target validation step of the drug development process, we give several examples of how MD studies can give important insights into the dynamics and function of identified drug targets such as sirtuins, RAS proteins, or intrinsically disordered proteins. The role of MD in antibody design is also reviewed. In the lead discovery and lead optimization phases, MD facilitates the evaluation of the binding energetics and kinetics of the ligand-receptor interactions, therefore guiding the choice of the best candidate molecules for further development. The importance of considering the biological lipid bilayer environment in the MD simulations of membrane proteins is also discussed, using G-protein coupled receptors and ion channels as well as the drug-metabolizing cytochrome P450 enzymes as relevant examples. Lastly, we discuss the emerging role of MD simulations in facilitating the pharmaceutical formulation development of drugs and candidate drugs. Specifically, we look at how MD can be used in studying the crystalline and amorphous solids, the stability of amorphous drug or drug-polymer formulations, and drug solubility. Moreover, since nanoparticle drug formulations are of great interest in the field of drug delivery research, different applications of nano-particle simulations are also briefly summarized using multiple recent studies as examples. In the future, the role of MD simulations in facilitating the drug development process is likely to grow substantially with the increasing computer power and advancements in the development of force fields and enhanced MD methodologies.
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19
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Bunker A, Róg T. Mechanistic Understanding From Molecular Dynamics Simulation in Pharmaceutical Research 1: Drug Delivery. Front Mol Biosci 2020; 7:604770. [PMID: 33330633 PMCID: PMC7732618 DOI: 10.3389/fmolb.2020.604770] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Accepted: 11/02/2020] [Indexed: 12/12/2022] Open
Abstract
In this review, we outline the growing role that molecular dynamics simulation is able to play as a design tool in drug delivery. We cover both the pharmaceutical and computational backgrounds, in a pedagogical fashion, as this review is designed to be equally accessible to pharmaceutical researchers interested in what this new computational tool is capable of and experts in molecular modeling who wish to pursue pharmaceutical applications as a context for their research. The field has become too broad for us to concisely describe all work that has been carried out; many comprehensive reviews on subtopics of this area are cited. We discuss the insight molecular dynamics modeling has provided in dissolution and solubility, however, the majority of the discussion is focused on nanomedicine: the development of nanoscale drug delivery vehicles. Here we focus on three areas where molecular dynamics modeling has had a particularly strong impact: (1) behavior in the bloodstream and protective polymer corona, (2) Drug loading and controlled release, and (3) Nanoparticle interaction with both model and biological membranes. We conclude with some thoughts on the role that molecular dynamics simulation can grow to play in the development of new drug delivery systems.
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Affiliation(s)
- Alex Bunker
- Division of Pharmaceutical Biosciences, Drug Research Program, Faculty of Pharmacy, University of Helsinki, Helsinki, Finland
| | - Tomasz Róg
- Department of Physics, University of Helsinki, Helsinki, Finland
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20
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Fuster MG, Montalbán MG, Carissimi G, Lima B, Feresin GE, Cano M, Giner-Casares JJ, López-Cascales JJ, Enriz RD, Víllora G. Antibacterial Effect of Chitosan-Gold Nanoparticles and Computational Modeling of the Interaction between Chitosan and a Lipid Bilayer Model. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E2340. [PMID: 33255714 PMCID: PMC7761461 DOI: 10.3390/nano10122340] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Revised: 11/08/2020] [Accepted: 11/23/2020] [Indexed: 01/14/2023]
Abstract
Pathogenic bacteria have the ability to develop antibiotic resistance mechanisms. Their action consists mainly in the production of bacterial enzymes that inactivate antibiotics or the appearance of modifications that prevent the arrival of the drug at the target point or the alteration of the target point itself, becoming a growing problem for health systems. Chitosan-gold nanoparticles (Cs-AuNPs) have been shown as effective bactericidal materials avoiding damage to human cells. In this work, Cs-AuNPs were synthesized using chitosan as the reducing agent, and a systematic analysis of the influence of the synthesis parameters on the size and zeta potential of the Cs-AuNPs and their UV-vis spectra was carried out. We used a simulation model to characterize the interaction of chitosan with bacterial membranes, using a symmetric charged bilayer and two different chitosan models with different degrees of the chitosan amine protonation as a function of pH, with the aim to elucidate the antibacterial mechanism involving the cell wall disruption. The Cs-AuNP antibacterial activity was evaluated to check the simulation model.
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Grants
- CTQ2017-87708-R Ministerio de Economía, Industria y Competitividad, Gobierno de España
- CTQ2017-83961-R Ministerio de Economía, Industria y Competitividad, Gobierno de España
- CTQ2017-92264-EXP Ministerio de Economía, Industria y Competitividad, Gobierno de España
- RyC-2014-14956 Ministerio de Economía, Industria y Competitividad, Gobierno de España
- PRE2018-086441 Ministerio de Economía, Industria y Competitividad, Gobierno de España
- 20977/PI/18 Fundación Séneca
- CONICET-SECITI N°022 Consejo Nacional de Investigaciones Científicas y Técnicas
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Affiliation(s)
- M. G. Fuster
- Chemical Engineering Department, Faculty of Chemistry, University of Murcia, 30100 Murcia, Spain; (M.G.F.); (G.C.); (G.V.)
| | - M. G. Montalbán
- Chemical Engineering Department, Faculty of Chemistry, University of Murcia, 30100 Murcia, Spain; (M.G.F.); (G.C.); (G.V.)
| | - G. Carissimi
- Chemical Engineering Department, Faculty of Chemistry, University of Murcia, 30100 Murcia, Spain; (M.G.F.); (G.C.); (G.V.)
| | - B. Lima
- Instituto de Biotecnología, Universidad Nacional de San Juan, Av. Libertador General San Martín 1109 (O), San Juan CP 5400, Argentina; (B.L.); (G.E.F.)
- CONICET (Consejo Nacional de Ciencia y Tecnología), CABA, Buenos Aires C1405DJR, Argentina
| | - G. E. Feresin
- Instituto de Biotecnología, Universidad Nacional de San Juan, Av. Libertador General San Martín 1109 (O), San Juan CP 5400, Argentina; (B.L.); (G.E.F.)
- CONICET (Consejo Nacional de Ciencia y Tecnología), CABA, Buenos Aires C1405DJR, Argentina
| | - M. Cano
- Departamento de Química Física y Termodinámica Aplicada, Instituto Universitario de Nanoquímica (IUNAN), Facultad de Ciencias, Universidad de Córdoba, Campus de Rabanales, Ed. Marie Curie, E-14071 Córdoba, Spain; (M.C.); (J.J.G.-C.)
| | - J. J. Giner-Casares
- Departamento de Química Física y Termodinámica Aplicada, Instituto Universitario de Nanoquímica (IUNAN), Facultad de Ciencias, Universidad de Córdoba, Campus de Rabanales, Ed. Marie Curie, E-14071 Córdoba, Spain; (M.C.); (J.J.G.-C.)
| | - J. J. López-Cascales
- Departamento Ingeniería Química y Ambiental, Campus Alfonso XIII, Universidad Politécnica de Cartagena, Aulario C, Cartagena, 30203 Murcia, Spain;
| | - R. D. Enriz
- Facultad de Química, Bioquímica y Farmacia, Instituto Multidisciplinario de Investigaciones Biológicas (IMIBIO-SL), CONICET, Universidad Nacional de San Luis, Ejército de los Andes 950, San Luis 5700, Argentina;
| | - G. Víllora
- Chemical Engineering Department, Faculty of Chemistry, University of Murcia, 30100 Murcia, Spain; (M.G.F.); (G.C.); (G.V.)
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21
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Okoampah E, Mao Y, Yang S, Sun S, Zhou C. Gold nanoparticles-biomembrane interactions: From fundamental to simulation. Colloids Surf B Biointerfaces 2020; 196:111312. [PMID: 32841786 DOI: 10.1016/j.colsurfb.2020.111312] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Revised: 07/20/2020] [Accepted: 08/06/2020] [Indexed: 12/21/2022]
Abstract
Gold Nanoparticles (AuNPs) are a class of promising nanomaterial for biomedical applications ranging from bioimaging, drug delivery to phototherapy because of their biocompatibility, easily tunable size and shape, and versatile surface modifications. In recent years, the rapid development of AuNPs in nanomedicine has made it imperative to seek fundamental understanding on their nano-biointeractions to minimize adverse effects and improve targeting/imaging efficiency. In this review, we summarize the different pathways of NPs-biomembrane interactions with a focus on AuNPs, follow by an analysis on how the physiochemical properties (size, surface charge, shape, surface ligands, and hydrophobicity etc.) of AuNPs can be involved in the mechanisms of cellular uptake. Finally, some recent advances on simulation modelling of AuNPs-biomembrane interactions and a brief outlook in the field are discussed.
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Affiliation(s)
- Emmanuel Okoampah
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, China
| | - Yusheng Mao
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, China
| | - Shengyang Yang
- Department of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, China
| | - Shasha Sun
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, China.
| | - Chen Zhou
- School of Natural Sciences, University of Central Missouri, Warrensburg, USA.
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22
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Yamamoto T, Furuta R, Arakawa K, Teshima A. Relationship between dispersion-forming capability of poly(4-vinylaniline) colloids and antimicrobial activity. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.124736] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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23
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Erimban S, Daschakraborty S. Translocation of a hydroxyl functionalized carbon dot across a lipid bilayer: an all-atom molecular dynamics simulation study. Phys Chem Chem Phys 2020; 22:6335-6350. [DOI: 10.1039/c9cp05999g] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Passive permeation of CD across lipid bilayer is almost impossible. Forced permeation results membrane rupture.
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Affiliation(s)
- Shakkira Erimban
- Department of Chemistry
- Indian Institute of Technology Patna
- Bihar 801106
- India
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24
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Chen Z, Lee WG. A switching role of hard-uptake nanoparticles in microalgae cell electroporation. Analyst 2019; 144:3581-3589. [PMID: 31065636 DOI: 10.1039/c9an00314b] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The microalgal cell wall is a natural barrier that limits the efficiency of gene delivery in algae genetic engineering. Here, we report the role of hard-uptake nanoparticles (huNPs) in microalgae cell electroporation to enhance the delivery of genes in Chlamydomonas reinhardtii. This role can be divided into two categories: (i) a 'transient state' for short-term behavior under confocal visualization and (ii) a 'steady state' for long-term behavior in cell culture. First, the 'transient' role of gene-huNP complexes was investigated after washing for clear confocal imaging to observe the location of huNPs after electroporation. Second, the 'steady-state' role of the gene-huNP complexes was examined after electroporation by transferring cells to a fresh, medium-rich culture environment without washing to obtain a stable cell culture. For selection of the huNPs, we used two types of nanoparticles (NPs, 250 nm and 530 nm) larger than the threshold size of electroporation uptake to avoid unwanted endocytic uptake of NPs. In the transient state, the visualization results indicate that gene-NP (250 nm) complexes were positioned on the cells and helped to deliver more genes than did the 530 nm NPs. In the steady state, the gene-NP (530 nm) complexes helped stably deliver more genes to the cells by precipitation of NPs due to gravity. We believe that these findings illustrate how gene-NP complexes function in microalgae cell electroporation and could help set up a protocol for enhanced microalgae applications associated with NPs such as environmental waste removal and biofuel production.
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Affiliation(s)
- Zhenzhong Chen
- Department of Mechanical Engineering, Kyung Hee University, Yongin 17104, Republic of Korea.
| | - Won Gu Lee
- Department of Mechanical Engineering, Kyung Hee University, Yongin 17104, Republic of Korea.
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25
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Quan X, Sun D, Zhou J. Molecular mechanism of HIV-1 TAT peptide and its conjugated gold nanoparticles translocating across lipid membranes. Phys Chem Chem Phys 2019; 21:10300-10310. [PMID: 31070638 DOI: 10.1039/c9cp01543d] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The trans-acting activator of transcription (TAT) peptide, which is derived from human immunodeficiency virus-1 (HIV-1), has been widely used as an effective nanocarrier to transport extracellular substances into cells. However, the underlying translocation mechanism of TAT peptide across cell membranes still remains controversial. Besides, the molecular process of TAT peptide facilitating the transport of extracellular substances into cells is largely unknown. In this study, we explore the interactions of TAT peptides and their conjugated gold nanoparticles with lipid membranes by coarse-grained molecular dynamics simulations. It is found that the TAT peptides can hardly penetrate through the membrane at low peptide concentrations; after the concentration increases to a threshold value, they can cross the membrane through an induced nanopore due to the transmembrane electrostatic potential difference. The translocation of TAT peptides is mainly caused by the overall structural changes of membranes. Furthermore, we demonstrate that the translocation of gold nanoparticles (AuNPs) across the membrane is significantly affected by the number of grafted TAT peptides on the particle surface. The transmembrane efficiency of AuNPs may even be reduced when a small number of peptides modify them; whereas, when the number of grafted peptides increases to a certain value, the TAT-AuNP complex can translocate across the membrane in a pore-mediated way. Based on our findings, an effective strategy has been proposed to enhance the delivery efficiency of AuNPs. The present study can improve our understanding of the interactions between TAT peptides and cell membranes; it may also give some insightful suggestions on the design and development of nanocarriers with high efficiency for the delivery of nanoparticles and drugs.
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Affiliation(s)
- Xuebo Quan
- School of Chemistry and Chemical Engineering, Guangdong Provincial Key Lab for Green Chemical Product Technology, South China University of Technology, Guangzhou, 510640, P. R. China.
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26
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Zanella D, Bossi E, Gornati R, Faria N, Powell J, Bernardini G. The direct permeation of nanoparticles through the plasma membrane transiently modifies its properties. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2019; 1861:182997. [PMID: 31150635 DOI: 10.1016/j.bbamem.2019.05.019] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Revised: 05/07/2019] [Accepted: 05/24/2019] [Indexed: 12/20/2022]
Abstract
The exposure to metal nanoparticles (NPs) has increased with their widespread use in industry, research and medicine. It is well known that NPs may enter cells and that this mechanism is crucial to exert both the therapeutic and toxicity effects. The main cellular entrance route is endocytosis-based, however, recent experimental studies, have reported that NPs can also enter the cell crossing directly the plasma membrane, it is thus important to investigate this alternative internalization mechanism. Size, surface chemistry, solubility and shape play a role in NP ability of entering the cell, but it is still to be elucidated how these properties act on cell membrane. We have demonstrated that a direct permeation of metal oxide NPs through the lipid bilayer of the cell membrane can occur, giving direct access to the cytoplasm. In this paper, using the powerful tool of Xenopus laevis oocytes and two electrode Voltage Clamp, we have investigated several parameters that can influence the direct crossing. The most significant of them is the NP hydrodynamic size as clearly shown by the comparison of the behaviour between Co3O4 and NiO NPs. By collecting biophysical membrane parameters in different conditions, we have shown that NPs that are able to cross the membrane share the ability to maintain a hydrodynamic size lower than 200 nm. The presence of this route of entrance must be considered for a better comprehension of the effect at intracellular level considering possible mechanism in order to a safer design of engineered NPs.
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Affiliation(s)
- Daniele Zanella
- Department of Biotechnology and Life Sciences, University of Insubria, Via Dunant 3, I-21100 Varese, Italy
| | - Elena Bossi
- Department of Biotechnology and Life Sciences, University of Insubria, Via Dunant 3, I-21100 Varese, Italy.
| | - Rosalba Gornati
- Department of Biotechnology and Life Sciences, University of Insubria, Via Dunant 3, I-21100 Varese, Italy
| | - Nuno Faria
- Department of Veterinary Medicine, University of Cambridge, Madingley Road, Cambridge CB3 OES, UK
| | - Jonathan Powell
- Department of Veterinary Medicine, University of Cambridge, Madingley Road, Cambridge CB3 OES, UK
| | - Giovanni Bernardini
- Department of Biotechnology and Life Sciences, University of Insubria, Via Dunant 3, I-21100 Varese, Italy.
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27
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Liu Z, Nie J, Miao B, Li J, Cui Y, Wang S, Zhang X, Zhao G, Deng Y, Wu Y, Li Z, Li L, Wang ZL. Self-Powered Intracellular Drug Delivery by a Biomechanical Energy-Driven Triboelectric Nanogenerator. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1807795. [PMID: 30721538 DOI: 10.1002/adma.201807795] [Citation(s) in RCA: 75] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Revised: 01/13/2019] [Indexed: 06/09/2023]
Abstract
Nondestructive, high-efficiency, and on-demand intracellular drug/biomacromolecule delivery for therapeutic purposes remains a great challenge. Herein, a biomechanical-energy-powered triboelectric nanogenerator (TENG)-driven electroporation system is developed for intracellular drug delivery with high efficiency and minimal cell damage in vitro and in vivo. In the integrated system, a self-powered TENG as a stable voltage pulse source triggers the increase of plasma membrane potential and membrane permeability. Cooperatively, the silicon nanoneedle-array electrode minimizes cellular damage during electroporation via enhancing the localized electrical field at the nanoneedle-cell interface and also decreases plasma membrane fluidity for the enhancement of molecular influx. The integrated system achieves efficient delivery of exogenous materials (small molecules, macromolecules, and siRNA) into different types of cells, including hard-to-transfect primary cells, with delivery efficiency up to 90% and cell viability over 94%. Through simple finger friction or hand slapping of the wearable TENGs, it successfully realizes a transdermal biomolecule delivery with an over threefold depth enhancement in mice. This integrated and self-powered system for active electroporation drug delivery shows great prospect for self-tuning drug delivery and wearable medicine.
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Affiliation(s)
- Zhirong Liu
- Chinese Academy of Sciences (CAS) Center for Excellence in Nanoscience, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, P. R. China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Jinhui Nie
- Chinese Academy of Sciences (CAS) Center for Excellence in Nanoscience, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, P. R. China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Bin Miao
- i-Lab, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, 215125, P. R. China
| | - Jiadong Li
- i-Lab, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, 215125, P. R. China
- State Key Laboratory of Applied Optics, Changchun Institute of Optics Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, 130033, P. R. China
| | - Yuanbo Cui
- Stanford University School of Medicine, Palo Alto, CA, 94304, USA
| | - Shu Wang
- Chinese Academy of Sciences (CAS) Center for Excellence in Nanoscience, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, P. R. China
| | - Xiaodi Zhang
- Chinese Academy of Sciences (CAS) Center for Excellence in Nanoscience, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, P. R. China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Gengrui Zhao
- Chinese Academy of Sciences (CAS) Center for Excellence in Nanoscience, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, P. R. China
| | - Yongbo Deng
- State Key Laboratory of Applied Optics, Changchun Institute of Optics Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, 130033, P. R. China
| | - Yihui Wu
- State Key Laboratory of Applied Optics, Changchun Institute of Optics Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, 130033, P. R. China
| | - Zhou Li
- Chinese Academy of Sciences (CAS) Center for Excellence in Nanoscience, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, P. R. China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Center of Nanoenergy Research, School of Physical Science and Technology, Guangxi University, Nanning, 530004, P. R. China
| | - Linlin Li
- Chinese Academy of Sciences (CAS) Center for Excellence in Nanoscience, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, P. R. China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Center of Nanoenergy Research, School of Physical Science and Technology, Guangxi University, Nanning, 530004, P. R. China
| | - Zhong Lin Wang
- Chinese Academy of Sciences (CAS) Center for Excellence in Nanoscience, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, P. R. China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Center of Nanoenergy Research, School of Physical Science and Technology, Guangxi University, Nanning, 530004, P. R. China
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA, 30332-0245, USA
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28
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Nakamura H, Sezawa K, Hata M, Ohsaki S, Watano S. Direct translocation of nanoparticles across a model cell membrane by nanoparticle-induced local enhancement of membrane potential. Phys Chem Chem Phys 2019; 21:18830-18838. [DOI: 10.1039/c9cp02935d] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Nanoparticles directly translocate across a cell membrane by a locally enhanced membrane potential at the NP/cell-membrane contact interface.
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Affiliation(s)
- Hideya Nakamura
- Department of Chemical Engineering
- Osaka Prefecture University
- Osaka 599-8531
- Japan
| | - Kyohei Sezawa
- Department of Chemical Engineering
- Osaka Prefecture University
- Osaka 599-8531
- Japan
| | - Masataka Hata
- Department of Chemical Engineering
- Osaka Prefecture University
- Osaka 599-8531
- Japan
| | - Shuji Ohsaki
- Department of Chemical Engineering
- Osaka Prefecture University
- Osaka 599-8531
- Japan
| | - Satoru Watano
- Department of Chemical Engineering
- Osaka Prefecture University
- Osaka 599-8531
- Japan
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29
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Yamamoto T, Arakawa K, Takahashi Y, Sumiyoshi M. Antimicrobial activities of low molecular weight polymers synthesized through soap-free emulsion polymerization. Eur Polym J 2018. [DOI: 10.1016/j.eurpolymj.2018.10.047] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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30
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Yamamoto T, Arakawa K, Furuta R, Teshima A. Antimicrobial Activities of Polymers Synthesized through Soap-free Emulsion Polymerization Using a Cationic Initiator and Styrene Derivative Monomers. CHEM LETT 2018. [DOI: 10.1246/cl.180762] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Tetsuya Yamamoto
- Department of Materials and Design Innovation Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8603, Japan
| | - Kenji Arakawa
- Department of Molecular Biotechnology, Graduate School of Advanced Sciences of Matter, Hiroshima University, 1-3-1 Kagamiyama, Higashihiroshima, Hiroshima 739-8530, Japan
| | - Ryo Furuta
- Department of Chemical and Biological Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8603, Japan
| | - Aiko Teshima
- Department of Molecular Biotechnology, Graduate School of Advanced Sciences of Matter, Hiroshima University, 1-3-1 Kagamiyama, Higashihiroshima, Hiroshima 739-8530, Japan
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31
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Shi X, Tian F. Multiscale Modeling and Simulation of Nano‐Carriers Delivery through Biological Barriers—A Review. ADVANCED THEORY AND SIMULATIONS 2018. [DOI: 10.1002/adts.201800105] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Xinghua Shi
- CAS Key Laboratory for Nanosystem and Hierarchy FabricationCAS Center for Excellence in NanoscienceNational Center for Nanoscience and TechnologyChinese Academy of Sciences Beijing 100190 China
- School of Nanoscience and TechnologyUniversity of Chinese Academy of Sciences NO.19A Yuquan Road Beijing 100049 China
| | - Falin Tian
- CAS Key Laboratory for Nanosystem and Hierarchy FabricationCAS Center for Excellence in NanoscienceNational Center for Nanoscience and TechnologyChinese Academy of Sciences Beijing 100190 China
- School of Nanoscience and TechnologyUniversity of Chinese Academy of Sciences NO.19A Yuquan Road Beijing 100049 China
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32
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Nademi Y, Tang T, Uludağ H. Steered molecular dynamics simulations reveal a self-protecting configuration of nanoparticles during membrane penetration. NANOSCALE 2018; 10:17671-17682. [PMID: 30206609 DOI: 10.1039/c8nr04287j] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Cell entry of polynucleotide-based therapeutic agents can be facilitated by nanoparticle (NP) mediated delivery. In this work, using steered molecular dynamics simulations, we simulated the membrane penetration process of a NP formed by 2 short interfering RNA (siRNA) and 6 polyethylenimine (PEI) molecules. To the best of our knowledge, this is the first set of simulations that explore the direct penetration of an siRNA/PEI NP through a membrane at an all-atom scale. Three types of PEI molecules were used for NP formation: a native PEI, a PEI modified with caprylic acids and a PEI modified with linoleic acids. We found that hydrogen bond formation between the PEIs and the membrane did not lead to instability of the siRNA/PEI NPs during the internalization process. Instead, our results suggested adoption of a "self-protecting" configuration by the siRNA/PEI NP during membrane penetration, where the siRNA/PEI NP becomes more compact and siRNAs become aligned, leading to more stable configurations while detaching from the membrane. The siRNA/PEI NP modified with linoleic acid showed the smallest structural change due to its strong intra-particle lipid associations and the resulting rigidity, while NP modified with caprylic acid showed the largest structural changes. Our observations provide unique insight into the structural changes of siRNA/PEI NPs when crossing the cell membrane, which can be important for the design of new NP carriers for nucleic acid delivery.
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Affiliation(s)
- Yousef Nademi
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Canada.
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33
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Siegrist S, Cörek E, Detampel P, Sandström J, Wick P, Huwyler J. Preclinical hazard evaluation strategy for nanomedicines. Nanotoxicology 2018; 13:73-99. [PMID: 30182784 DOI: 10.1080/17435390.2018.1505000] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The increasing nanomedicine usage has raised concerns about their possible impact on human health. Present evaluation strategies for nanomaterials rely on a case-by-case hazard assessment. They take into account material properties, biological interactions, and toxicological responses. Authorities have also emphasized that exposure route and intended use should be considered in the safety assessment of nanotherapeutics. In contrast to an individual assessment of nanomaterial hazards, we propose in the present work a novel and unique evaluation strategy designed to uncover potential adverse effects of such materials. We specifically focus on spherical engineered nanoparticles used as parenterally administered nanomedicines. Standardized assay protocols from the US Nanotechnology Characterization Laboratory as well as the EU Nanomedicine Characterisation Laboratory can be used for experimental data generation. We focus on both cellular uptake and intracellular persistence as main indicators for nanoparticle hazard potentials. Based on existing regulatory specifications defined by authorities such as the European Medicines Agency and the United States Food and Drug Administration, we provide a robust framework for application-oriented classification paired with intuitive decision making. The Hazard Evaluation Strategy (HES) for injectable nanoparticles is a three-tiered concept covering physicochemical characterization, nanoparticle (bio)interactions, and hazard assessment. It is cost-effective and can assist in the design and optimization of nanoparticles intended for therapeutic use. Furthermore, this concept is designed to be adaptable for alternative exposure and application scenarios. To the knowledge of the authors, the HES is unique in its methodology based on exclusion criteria. It is the first hazard evaluation strategy designed for nanotherapeutics.
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Affiliation(s)
- Stefan Siegrist
- a Division of Pharmaceutical Technology , Pharmacenter, University of Basel , Basel , Switzerland
| | - Emre Cörek
- a Division of Pharmaceutical Technology , Pharmacenter, University of Basel , Basel , Switzerland
| | - Pascal Detampel
- a Division of Pharmaceutical Technology , Pharmacenter, University of Basel , Basel , Switzerland
| | - Jenny Sandström
- b Swiss Centre for Applied Human Toxicology , Basel , Switzerland
| | - Peter Wick
- c Laboratory for Patricles-Biology Interactions , Empa Swiss Federal Laboratories for Materials Science and Technology , St. Gallen , Switzerland
| | - Jörg Huwyler
- a Division of Pharmaceutical Technology , Pharmacenter, University of Basel , Basel , Switzerland
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34
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Klug J, Triguero C, Del Pópolo MG, Tribello GA. Using Intrinsic Surfaces To Calculate the Free-Energy Change When Nanoparticles Adsorb on Membranes. J Phys Chem B 2018; 122:6417-6422. [DOI: 10.1021/acs.jpcb.8b03661] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Joaquín Klug
- Atomistic Simulation Centre, School of Mathematics and Physics, Queen’s University Belfast, Belfast BT7 1NN, United Kingdom
- CONICET and Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Cuyo, Padre Jorge Contreras 1300, CP5500 Mendoza, Argentina
| | - Carles Triguero
- Atomistic Simulation Centre, School of Mathematics and Physics, Queen’s University Belfast, Belfast BT7 1NN, United Kingdom
| | - Mario G. Del Pópolo
- Atomistic Simulation Centre, School of Mathematics and Physics, Queen’s University Belfast, Belfast BT7 1NN, United Kingdom
- CONICET and Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Cuyo, Padre Jorge Contreras 1300, CP5500 Mendoza, Argentina
| | - Gareth A. Tribello
- Atomistic Simulation Centre, School of Mathematics and Physics, Queen’s University Belfast, Belfast BT7 1NN, United Kingdom
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35
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Wang B, Zhang J, Zhang Y, Mao Z, Lu N, Liu QH. The penetration of a charged peptide across a membrane under an external electric field: a coarse-grained molecular dynamics simulation. RSC Adv 2018; 8:41517-41525. [PMID: 35559300 PMCID: PMC9091862 DOI: 10.1039/c8ra07654e] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Accepted: 11/28/2018] [Indexed: 01/05/2023] Open
Abstract
The processes of single polyarginine (R8) peptide penetration through planar and vesicle membranes under an external electric field are simulated via a coarse-grained molecular dynamics (CGMD) simulation.
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Affiliation(s)
- Bin Wang
- Institute of Electromagnetics and Acoustics
- Department of Electronic Science
- Xiamen University
- Xiamen
- P. R. China
| | - Jianhua Zhang
- Institute of Electromagnetics and Acoustics
- Department of Electronic Science
- Xiamen University
- Xiamen
- P. R. China
| | - Youyu Zhang
- Institute of Electromagnetics and Acoustics
- Department of Electronic Science
- Xiamen University
- Xiamen
- P. R. China
| | - Zheng Mao
- Institute of Electromagnetics and Acoustics
- Department of Electronic Science
- Xiamen University
- Xiamen
- P. R. China
| | - Nan Lu
- Institute of Electromagnetics and Acoustics
- Department of Electronic Science
- Xiamen University
- Xiamen
- P. R. China
| | - Qing Huo Liu
- Department of Electrical and Computer Engineering
- Duke University
- Durham
- USA
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36
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Ding HM, Ma YQ. Computational approaches to cell-nanomaterial interactions: keeping balance between therapeutic efficiency and cytotoxicity. NANOSCALE HORIZONS 2018; 3:6-27. [PMID: 32254106 DOI: 10.1039/c7nh00138j] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Owing to their unique properties, nanomaterials have been widely used in biomedicine since they have obvious inherent advantages over traditional ones. However, nanomaterials may also cause dysfunction in proteins, genes and cells, resulting in cytotoxic and genotoxic responses. Recently, more and more attention has been paid to these potential toxicities of nanomaterials, especially to the risks of nanomaterials to human health and safety. Therefore, when using nanomaterials for biomedical applications, it is of great importance to keep the balance between therapeutic efficiency and cytotoxicity (i.e., increase the therapeutic efficiency as well as decrease the potential toxicity). This requires a deeper understanding of the interactions between various types of nanomaterials and biological systems at the nano/bio interface. In this review, from the point of view of theoretical researchers, we will present the current status regarding the physical mechanism of cytotoxicity caused by nanomaterials, mainly based on recent simulation results. In addition, the strategies for minimizing the nanotoxicity naturally and artificially will also be discussed in detail. Furthermore, we should notice that toxicity is not always bad for clinical use since causing the death of specific cells is the main way of treating disease. Enhancing the targeting ability of nanomaterials to diseased cells and minimizing their side effects on normal cells will always be hugely challenging issues in nanomedicine. By combining the latest computational studies with some experimental verifications, we will provide special insights into recent advances regarding these problems, especially for the design of novel environment-responsive nanomaterials.
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Affiliation(s)
- Hong-Ming Ding
- Center for Soft Condensed Matter Physics and Interdisciplinary Research, Soochow University, Suzhou 215006, China
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37
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Quan X, Zhao D, Li L, Zhou J. Understanding the Cellular Uptake of pH-Responsive Zwitterionic Gold Nanoparticles: A Computer Simulation Study. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:14480-14489. [PMID: 29166558 DOI: 10.1021/acs.langmuir.7b03544] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Surface functionalization of nanoparticles (NPs) with stealth polymers (e.g., hydrophilic and zwitterionic polymers) has become a common strategy to resist nonspecific protein adsorption recently. Understanding the role of surface decoration on NP-biomembrane interactions is of great significance to promote the application of NPs in biomedical fields. Herein, using coarse-grained molecular dynamics (CGMD) simulations, we investigate the interactions between stealth polymer-coated gold nanoparticles (AuNPs) and lipid membranes. The results show that AuNPs grafted with zwitterionic polymers can more easily approach the membrane surface than those coated with hydrophilic poly(ethylene glycol) (PEG), which can be explained by the weak dipole-dipole interaction between them. For zwitterionic AuNPs which can undergo pH-dependent charge conversion, different interaction modes which depend on the polymer protonation degree are found. When the protonation degree is low, the particles just adsorb on the membrane surface; at moderate protonation degrees, the particles can directly translocate across the lipid membrane through a transient hydrophilic pore formed on the membrane surface; the particles are fully wrapped by the curved lipid membrane at high protonation degrees, which may lead to endocytosis. Finally, the effect of polymer chain length on the cellular uptake of zwitterionic polymer-coated AuNPs is considered. The results demonstrate that longer polymer chain length will block the translocation of AuNPs across the lipid membrane when the protonation degree is not high; however, it can improve the transmembrane efficiency of AuNPs at high protonation degrees. We expect that these findings are of immediate interest to the design and synthesis of pH-responsive nanomaterials based on zwitterionic polymers and can prompt their further applications in the field of biomedicine.
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Affiliation(s)
- Xuebo Quan
- School of Chemistry and Chemical Engineering, Guangdong Provincial Key Lab for Green Chemical Product Technology, South China University of Technology , Guangzhou 510640, P. R. China
| | - Daohui Zhao
- School of Chemistry and Chemical Engineering, Guangdong Provincial Key Lab for Green Chemical Product Technology, South China University of Technology , Guangzhou 510640, P. R. China
| | - Libo Li
- School of Chemistry and Chemical Engineering, Guangdong Provincial Key Lab for Green Chemical Product Technology, South China University of Technology , Guangzhou 510640, P. R. China
| | - Jian Zhou
- School of Chemistry and Chemical Engineering, Guangdong Provincial Key Lab for Green Chemical Product Technology, South China University of Technology , Guangzhou 510640, P. R. China
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38
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Onodera A, Yayama K, Morosawa H, Ishii Y, Tsutsumi Y, Kawai Y. Reduction of calcium flux from the extracellular region and endoplasmic reticulum by amorphous nano-silica particles owing to carboxy group addition on their surface. Biochem Biophys Rep 2017; 9:330-334. [PMID: 29114587 PMCID: PMC5632705 DOI: 10.1016/j.bbrep.2017.01.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2016] [Revised: 01/25/2017] [Accepted: 01/26/2017] [Indexed: 11/30/2022] Open
Abstract
Several studies have reported that amorphous nano-silica particles (nano-SPs) modulate calcium flux, although the mechanism remains incompletely understood. We thus analyzed the relationship between calcium flux and particle surface properties and determined the calcium flux route. Treatment of Balb/c 3T3 fibroblasts with nano-SPs with a diameter of 70 nm (nSP70) increased cytosolic calcium concentration, but that with SPs with a diameter of 300 or 1000 nm did not. Surface modification of nSP70 with a carboxy group also did not modulate calcium flux. Pretreatment with a general calcium entry blocker almost completely suppressed calcium flux by nSP70. Preconditioning by emptying the endoplasmic reticulum (ER) calcium stores slightly suppressed calcium flux by nSP70. These results indicate that nSP70 mainly modulates calcium flux across plasma membrane calcium channels, with subsequent activation of the ER calcium pump, and that the potential of calcium flux by nano-SPs is determined by the particle surface charge. Nano-silica particles increased cytosolic calcium flux in fibroblasts. Calcium flux by nano-SPs was suppressed by SKF96365 and thapsigargin. Calcium flux modulation by nano-SPs was determined by their surface structure.
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Affiliation(s)
- Akira Onodera
- Department of Pharmaceutical Sciences, Kobegakuin University, 1-1-3 Minatojima, Chuo-ku, Kobe 650-8586, Japan
| | - Katsutoshi Yayama
- Department of Pharmaceutical Sciences, Kobegakuin University, 1-1-3 Minatojima, Chuo-ku, Kobe 650-8586, Japan
| | - Hideto Morosawa
- Department of Pharmaceutical Sciences, Kobegakuin University, 1-1-3 Minatojima, Chuo-ku, Kobe 650-8586, Japan
| | - Yukina Ishii
- Department of Pharmaceutical Sciences, Kobegakuin University, 1-1-3 Minatojima, Chuo-ku, Kobe 650-8586, Japan
| | - Yasuo Tsutsumi
- Department of Toxicology, Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamada-oka, Suita, Osaka 565-0871, Japan
| | - Yuichi Kawai
- Department of Pharmaceutical Sciences, Kobegakuin University, 1-1-3 Minatojima, Chuo-ku, Kobe 650-8586, Japan
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39
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Rao L, Cai B, Bu LL, Liao QQ, Guo SS, Zhao XZ, Dong WF, Liu W. Microfluidic Electroporation-Facilitated Synthesis of Erythrocyte Membrane-Coated Magnetic Nanoparticles for Enhanced Imaging-Guided Cancer Therapy. ACS NANO 2017; 11:3496-3505. [PMID: 28272874 DOI: 10.1021/acsnano.7b00133] [Citation(s) in RCA: 327] [Impact Index Per Article: 46.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Biomimetic cell membrane-coated nanoparticles (CM-NPs) with superior biochemical properties have been broadly utilized for various biomedical applications. Currently, researchers primarily focus on using ultrasonic treatment and mechanical extrusion to improve the synthesis of CM-NPs. In this work, we demonstrate that microfluidic electroporation can effectively facilitate the synthesis of CM-NPs. To test it, Fe3O4 magnetic nanoparticles (MNs) and red blood cell membrane-derived vesicles (RBC-vesicles) are infused into a microfluidic device. When the mixture of MNs and RBC-vesicles flow through the electroporation zone, the electric pulses can effectively promote the entry of MNs into RBC-vesicles. After that, the resulting RBC membrane-capped MNs (RBC-MNs) are collected from the chip and injected into experimental animals to test the in vivo performance. Owing to the superior magnetic and photothermal properties of the MN cores and the long blood circulation characteristic of the RBC membrane shells, core-shell RBC-MNs were used for enhanced tumor magnetic resonance imaging (MRI) and photothermal therapy (PTT). Due to the completer cell membrane coating, RBC-MNs prepared by microfluidic electroporation strategy exhibit significantly better treatment effect than the one fabricated by conventional extrusion. We believe the combination of microfluidic electroporation and CM-NPs provides an insight into the synthesis of bioinpired nanoparticles to improve cancer diagnosis and therapy.
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Affiliation(s)
- Lang Rao
- Key Laboratory of Artificial Micro- and Nano-Structures of Ministry of Education, School of Physics and Technology, Wuhan University , Wuhan, Hubei 430072, China
| | - Bo Cai
- Key Laboratory of Artificial Micro- and Nano-Structures of Ministry of Education, School of Physics and Technology, Wuhan University , Wuhan, Hubei 430072, China
| | - Lin-Lin Bu
- Department of Oral Maxillofacial Head Neck Oncology, School and Hospital of Stomatology, Wuhan University , Wuhan, Hubei 430079, China
| | - Qing-Quan Liao
- Key Laboratory of Artificial Micro- and Nano-Structures of Ministry of Education, School of Physics and Technology, Wuhan University , Wuhan, Hubei 430072, China
| | - Shi-Shang Guo
- Key Laboratory of Artificial Micro- and Nano-Structures of Ministry of Education, School of Physics and Technology, Wuhan University , Wuhan, Hubei 430072, China
| | - Xing-Zhong Zhao
- Key Laboratory of Artificial Micro- and Nano-Structures of Ministry of Education, School of Physics and Technology, Wuhan University , Wuhan, Hubei 430072, China
| | - Wen-Fei Dong
- Key Laboratory of Bio-Medical Diagnostics, Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences , Suzhou, Jiangsu 215163, China
| | - Wei Liu
- Key Laboratory of Artificial Micro- and Nano-Structures of Ministry of Education, School of Physics and Technology, Wuhan University , Wuhan, Hubei 430072, China
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40
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Quan X, Peng C, Zhao D, Li L, Fan J, Zhou J. Molecular Understanding of the Penetration of Functionalized Gold Nanoparticles into Asymmetric Membranes. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:361-371. [PMID: 27794619 DOI: 10.1021/acs.langmuir.6b02937] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
In this work, the interactions between surface-functionalized gold nanoparticles (AuNPs) and asymmetric membranes and the associated cytotoxicity were explored by coarse-grained molecular dynamics simulations. Simulation results show that the surface chemistry of AuNPs and the asymmetry of lipid membranes play significant roles. AuNPs with different signs of charges spontaneously adhere to the membrane surface or penetrate the membrane core. Also, the asymmetric distribution of charged lipids in membranes can facilitate the penetration of cationic AuNPs. Increasing the surface charge density (SCD) of AuNPs can not only improve the penetration efficiency but also lead to more disruption of the membrane structure. Moreover, the flip-flop of charged lipids in the inner leaflet can be observed during the translocation of AuNPs with a high SCD. The breakdown of membrane asymmetry may hinder the cellular internalization of AuNPs in a direct penetration mechanism. More importantly, we demonstrate that the hydrophobic contact between protruding solvent-exposed lipid tails and the hydrophobic moieties of ligands can mediate the insertion of AuNPs with a low SCD into cell membranes, which will exhibit less cytotoxicity in most in vivo applications. This may open a new exciting avenue to developing nanocarriers with a higher translocation efficiency and a lower toxicity simultaneously for biomedical applications.
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Affiliation(s)
- Xuebo Quan
- School of Chemistry and Chemical Engineering, Guangdong Provincial Key Laboratory for Green Chemical Product Technology, South China University of Technology , Guangzhou 510640, P. R. China
| | - Chunwang Peng
- School of Chemistry and Chemical Engineering, Guangdong Provincial Key Laboratory for Green Chemical Product Technology, South China University of Technology , Guangzhou 510640, P. R. China
| | - Daohui Zhao
- School of Chemistry and Chemical Engineering, Guangdong Provincial Key Laboratory for Green Chemical Product Technology, South China University of Technology , Guangzhou 510640, P. R. China
| | - Libo Li
- School of Chemistry and Chemical Engineering, Guangdong Provincial Key Laboratory for Green Chemical Product Technology, South China University of Technology , Guangzhou 510640, P. R. China
| | - Jun Fan
- Department of Physics and Materials Science, City University of Hong Kong , Hong Kong, P. R. China
| | - Jian Zhou
- School of Chemistry and Chemical Engineering, Guangdong Provincial Key Laboratory for Green Chemical Product Technology, South China University of Technology , Guangzhou 510640, P. R. China
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