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Wang X, Yang Y, Wang Y, Lu C, Hu X, Kawazoe N, Yang Y, Chen G. Focal adhesion and actin orientation regulated by cellular geometry determine stem cell differentiation via mechanotransduction. Acta Biomater 2024; 182:81-92. [PMID: 38734287 DOI: 10.1016/j.actbio.2024.05.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 04/23/2024] [Accepted: 05/06/2024] [Indexed: 05/13/2024]
Abstract
Tuning cell adhesion geometry can affect cytoskeleton organization and the distribution of cytoskeleton forces, which play critical roles in controlling cell functions. To elucidate the geometrical relationship with cytoskeleton force distribution, it is necessary to control cell morphology. In this study, a series of dextral vortex micropatterns were prepared to precisely control cell morphology for investigating the influence of the curvature degree of adhesion curves on intracellular force distribution and stem cell differentiation at a sub-cellular level. Peripherial actin filaments of micropatterned cells were assembled along the adhesion curves and showed different orientations, filament thicknesses and densities. Focal adhesion and cytoskeleton force distribution were dependent on the curvature degree. Intracellular force distribution was also regulated by adhesion curves. The cytoskeleton and force distribution affected the osteogenic differentiation of mesenchymal stem cells through a YAP/TAZ-mediated mechanotransduction process. Thus, regulation of cell adhesion curvature, especially at cytoskeletal filament level, is critical for cell function manipulation. STATEMENT OF SIGNIFICANCE: In this study, a series of dextral micro-vortexes were prepared and used for the culture of human mesenchymal stem cells (hMSCs) to precisely control adhesive curvatures (0°, 30°, 60°, and 90°). The single MSCs on the micropatterns had the same size and shape but showed distinct focal adhesion (FA) and cytoskeleton orientations. Cellular nanomechanics were observed to be correlated with the curvature degrees, subsequently influencing nuclear morphological features. As a consequence, the localization of the mechanotransduction sensor and activator-YAP/TAZ was affected, influencing osteogenic differentiation. The results revealed the pivotal role of adhesive curvatures in the manipulation of stem cell differentiation via the machanotransduction process, which has rarely been investigated.
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Affiliation(s)
- Xinlong Wang
- Research Center for Macromolecules and Biomaterials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan; Graduate School of Science and Technology, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8571, Japan
| | - Yingjun Yang
- Research Center for Macromolecules and Biomaterials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan; Graduate School of Science and Technology, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8571, Japan
| | - Yongtao Wang
- Research Center for Macromolecules and Biomaterials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan; Graduate School of Science and Technology, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8571, Japan
| | - Chengyu Lu
- Research Center for Macromolecules and Biomaterials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan; Graduate School of Science and Technology, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8571, Japan
| | - Xiaohong Hu
- Research Center for Macromolecules and Biomaterials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan; Graduate School of Life and Environmental Science, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8571, Japan
| | - Naoki Kawazoe
- Research Center for Macromolecules and Biomaterials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Yingnan Yang
- Graduate School of Life and Environmental Science, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8571, Japan
| | - Guoping Chen
- Research Center for Macromolecules and Biomaterials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan; Graduate School of Science and Technology, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8571, Japan.
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2
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Chen C, Wang Z, Fu H, Yu G, Luo X, Zhu K. Enhanced bioavailability of curcumin amorphous nanocomposite prepared by a green process using modified starch. Int J Biol Macromol 2024; 270:132210. [PMID: 38729473 DOI: 10.1016/j.ijbiomac.2024.132210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2024] [Revised: 05/05/2024] [Accepted: 05/07/2024] [Indexed: 05/12/2024]
Abstract
Curcumin (Cur), a bioactive compound extracted from plants, has attracted widespread attention due to its multiple pharmacological activities. However, the low bioavailability due to the inherent limitations in water solubility, chemical stability, and permeability poses great challenges for realizing its clinical potentials. In the current study, octenyl succinic anhydride-modified starch (OSA-S), a renewable and biodegradable biopolymer, was employed to fabricate Cur amorphous composite nanoparticles (Cur/OSA-S NPs) through a solvent-free pH-driven method with the aim to enhance Cur's bioavailability by improving its solubility and stability. Cur/OSA-S NPs, with mean sizes of about 128.9 ± 8.6 nm, encapsulation efficiencies of about 90.0 %, and the drug loading capacities around 51.0 ± 0.2 %, were successfully prepared. Cur was found to be dispersed within the composite nanoparticles in amorphous state as confirmed by the XRD and DSC characterizations. In addition, Cur/OSA-S NPs offers excellent storage, thermal and light stability, excellent re-dispersibility, and approximately 92 times better solubility than the original Cur. Furthermore, studies of dissolution and the parallel artificial membrane permeability assay (PAMPA) confirmed enhanced dissolution rates and in vitro permeabilities of Cur/OSA-S NPs. Cancer cell viability and uptake experiments revealed that Cur/OSA-S NPs possessed more potent inhibitory effects on cancer cell proliferation compared to the raw Cur. The results obtained from the current study demonstrated the effectiveness of OSA-S for manufacturing Cur amorphous composite nanoparticles with enhanced solubility, stability, and permeability, which might be valuable for further development of Cur based products for treatment of various diseases.
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Affiliation(s)
- Changying Chen
- Center for Drug Delivery System Research, School of Medicine, Shaoxing University, 900 Chengnan Avenue, Shaoxing, Zhejiang 312000, China; School of Chemistry and Chemical Engineering, Shaoxing University, 900 Chengnan Avenue, Shaoxing, Zhejiang 312000, China
| | - Zhixing Wang
- Center for Drug Delivery System Research, School of Medicine, Shaoxing University, 900 Chengnan Avenue, Shaoxing, Zhejiang 312000, China
| | - Hongliang Fu
- Center for Drug Delivery System Research, School of Medicine, Shaoxing University, 900 Chengnan Avenue, Shaoxing, Zhejiang 312000, China
| | - Guoqi Yu
- Center for Drug Delivery System Research, School of Medicine, Shaoxing University, 900 Chengnan Avenue, Shaoxing, Zhejiang 312000, China
| | - Xiang Luo
- Center for Drug Delivery System Research, School of Medicine, Shaoxing University, 900 Chengnan Avenue, Shaoxing, Zhejiang 312000, China; School of Chemistry and Chemical Engineering, Shaoxing University, 900 Chengnan Avenue, Shaoxing, Zhejiang 312000, China
| | - Kewu Zhu
- Center for Drug Delivery System Research, School of Medicine, Shaoxing University, 900 Chengnan Avenue, Shaoxing, Zhejiang 312000, China.
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3
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Kuru Cİ, Ulucan-Karnak F, Dayıoğlu B, Şahinler M, Şendemir A, Akgöl S. Affinity-Based Magnetic Nanoparticle Development for Cancer Stem Cell Isolation. Polymers (Basel) 2024; 16:196. [PMID: 38256995 PMCID: PMC10818538 DOI: 10.3390/polym16020196] [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: 08/29/2023] [Revised: 10/06/2023] [Accepted: 12/27/2023] [Indexed: 01/24/2024] Open
Abstract
Cancer is still the leading cause of death in the world despite the developing research and treatment opportunities. Failure of these treatments is generally associated with cancer stem cells (CSCs), which cause metastasis and are defined by their resistance to radio- and chemotherapy. Although known stem cell isolation methods are not sufficient for CSC isolation, they also bring a burden in terms of cost. The aim of this study is to develop a high-efficiency, low-cost, specific method for cancer stem cell isolation with magnetic functional nanoparticles. This study, unlike the stem cell isolation techniques (MACS, FACS) used today, was aimed to isolate cancer stem cells (separation of CD133+ cells) with nanoparticles with specific affinity and modification properties. For this purpose, affinity-based magnetic nanoparticles were synthesized and characterized by providing surface activity and chemical reactivity, as well as making surface modifications necessary for both lectin affinity and metal affinity interactions. In the other part of the study, synthesized and characterized functional polymeric magnetic nanoparticles were used for the isolation of CSC from the human osteosarcoma cancer cell line (SAOS-2) with a cancer stem cell subpopulation bearing the CD133 surface marker. The success and efficiency of separation after stem cell isolation were evaluated via the MACS and FACS methods. As a result, when the His-graft-mg-p(HEMA) nanoparticle was used at a concentration of 0.1 µg/mL for 106 and 108 cells, superior separation efficiency to commercial microbeads was obtained.
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Affiliation(s)
- Cansu İlke Kuru
- Department of Biochemistry, Faculty of Science, Ege University, 35100 İzmir, Turkey; (C.İ.K.); (S.A.)
| | - Fulden Ulucan-Karnak
- Department of Biochemistry, Faculty of Science, Ege University, 35100 İzmir, Turkey; (C.İ.K.); (S.A.)
| | - Büşra Dayıoğlu
- Department of Bioengineering, Faculty of Engineering, Ege University, 35100 İzmir, Turkey; (B.D.); (M.Ş.); (A.Ş.)
| | - Mert Şahinler
- Department of Bioengineering, Faculty of Engineering, Ege University, 35100 İzmir, Turkey; (B.D.); (M.Ş.); (A.Ş.)
| | - Aylin Şendemir
- Department of Bioengineering, Faculty of Engineering, Ege University, 35100 İzmir, Turkey; (B.D.); (M.Ş.); (A.Ş.)
| | - Sinan Akgöl
- Department of Biochemistry, Faculty of Science, Ege University, 35100 İzmir, Turkey; (C.İ.K.); (S.A.)
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4
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Wang X, Agrawal V, Dunton CL, Liu Y, Virk RKA, Patel PA, Carter L, Pujadas EM, Li Y, Jain S, Wang H, Ni N, Tsai HM, Rivera-Bolanos N, Frederick J, Roth E, Bleher R, Duan C, Ntziachristos P, He TC, Reid RR, Jiang B, Subramanian H, Backman V, Ameer GA. Chromatin reprogramming and bone regeneration in vitro and in vivo via the microtopography-induced constriction of cell nuclei. Nat Biomed Eng 2023; 7:1514-1529. [PMID: 37308586 PMCID: PMC10804399 DOI: 10.1038/s41551-023-01053-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 05/10/2023] [Indexed: 06/14/2023]
Abstract
Topographical cues on cells can, through contact guidance, alter cellular plasticity and accelerate the regeneration of cultured tissue. Here we show how changes in the nuclear and cellular morphologies of human mesenchymal stromal cells induced by micropillar patterns via contact guidance influence the conformation of the cells' chromatin and their osteogenic differentiation in vitro and in vivo. The micropillars impacted nuclear architecture, lamin A/C multimerization and 3D chromatin conformation, and the ensuing transcriptional reprogramming enhanced the cells' responsiveness to osteogenic differentiation factors and decreased their plasticity and off-target differentiation. In mice with critical-size cranial defects, implants with micropillar patterns inducing nuclear constriction altered the cells' chromatin conformation and enhanced bone regeneration without the need for exogenous signalling molecules. Our findings suggest that medical device topographies could be designed to facilitate bone regeneration via chromatin reprogramming.
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Affiliation(s)
- Xinlong Wang
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, USA
- Center for Advanced Regenerative Engineering, Northwestern University, Evanston, IL, USA
| | - Vasundhara Agrawal
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, USA
- Center for Physical Genomics and Engineering, Northwestern University, Evanston, IL, USA
| | - Cody L Dunton
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, USA
- Center for Physical Genomics and Engineering, Northwestern University, Evanston, IL, USA
| | - Yugang Liu
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, USA
- Center for Advanced Regenerative Engineering, Northwestern University, Evanston, IL, USA
| | - Ranya K A Virk
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, USA
- Center for Physical Genomics and Engineering, Northwestern University, Evanston, IL, USA
| | - Priyam A Patel
- Quantitative Data Science Core, Center for Genetic Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Lucas Carter
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, USA
- Center for Physical Genomics and Engineering, Northwestern University, Evanston, IL, USA
| | - Emily M Pujadas
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, USA
- Center for Physical Genomics and Engineering, Northwestern University, Evanston, IL, USA
| | - Yue Li
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, USA
- Center for Physical Genomics and Engineering, Northwestern University, Evanston, IL, USA
| | - Surbhi Jain
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, USA
- Center for Physical Genomics and Engineering, Northwestern University, Evanston, IL, USA
| | - Hao Wang
- Molecular Oncology Laboratory, Department of Orthopedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, USA
| | - Na Ni
- Molecular Oncology Laboratory, Department of Orthopedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, USA
| | - Hsiu-Ming Tsai
- Department of Radiology, The University of Chicago, Chicago, IL, USA
| | - Nancy Rivera-Bolanos
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, USA
- Center for Advanced Regenerative Engineering, Northwestern University, Evanston, IL, USA
| | - Jane Frederick
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, USA
- Center for Physical Genomics and Engineering, Northwestern University, Evanston, IL, USA
| | - Eric Roth
- Department of Materials Sciences and Engineering, Northwestern University, Evanston, IL, USA
| | - Reiner Bleher
- Department of Materials Sciences and Engineering, Northwestern University, Evanston, IL, USA
| | - Chongwen Duan
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, USA
- Center for Advanced Regenerative Engineering, Northwestern University, Evanston, IL, USA
| | - Panagiotis Ntziachristos
- Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
- Department of Biochemistry and Molecular Genetics, Northwestern University, Chicago, IL, USA
- Simpson Querrey Center for Epigenetics, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
- Department of Biomolecular Medicine, Ghent University, Ghent, Belgium
| | - Tong Chuan He
- Center for Advanced Regenerative Engineering, Northwestern University, Evanston, IL, USA
- Molecular Oncology Laboratory, Department of Orthopedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, USA
| | - Russell R Reid
- Center for Advanced Regenerative Engineering, Northwestern University, Evanston, IL, USA
- Laboratory of Craniofacial Biology and Development, Section of Plastic and Reconstructive Surgery, Department of Surgery, The University of Chicago Medical Center, Chicago, IL, USA
| | - Bin Jiang
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, USA
- Center for Advanced Regenerative Engineering, Northwestern University, Evanston, IL, USA
- Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Hariharan Subramanian
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, USA
- Center for Physical Genomics and Engineering, Northwestern University, Evanston, IL, USA
| | - Vadim Backman
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, USA.
- Center for Advanced Regenerative Engineering, Northwestern University, Evanston, IL, USA.
- Center for Physical Genomics and Engineering, Northwestern University, Evanston, IL, USA.
- Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL, USA.
| | - Guillermo A Ameer
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, USA.
- Center for Advanced Regenerative Engineering, Northwestern University, Evanston, IL, USA.
- Center for Physical Genomics and Engineering, Northwestern University, Evanston, IL, USA.
- Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA.
- Chemistry of Life Process Institute, Northwestern University, Chicago, IL, USA.
- International Institute for Nanotechnology, Northwestern University, Evanston, IL, USA.
- Simpson Querrey Institute for Bionanotechnology, Northwestern University, Chicago, IL, USA.
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5
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Ryu H, Wang X, Xie Z, Kim J, Liu Y, Bai W, Song Z, Song JW, Zhao Z, Kim J, Yang Q, Xie JJ, Keate R, Wang H, Huang Y, Efimov IR, Ameer GA, Rogers JA. Materials and Design Approaches for a Fully Bioresorbable, Electrically Conductive and Mechanically Compliant Cardiac Patch Technology. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2303429. [PMID: 37518771 PMCID: PMC10520666 DOI: 10.1002/advs.202303429] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 07/07/2023] [Indexed: 08/01/2023]
Abstract
Myocardial infarction (MI) is one of the leading causes of death and disability. Recently developed cardiac patches provide mechanical support and additional conductive paths to promote electrical signal propagation in the MI area to synchronize cardiac excitation and contraction. Cardiac patches based on conductive polymers offer attractive features; however, the modest levels of elasticity and high impedance interfaces limit their mechanical and electrical performance. These structures also operate as permanent implants, even in cases where their utility is limited to the healing period of tissue damaged by the MI. The work presented here introduces a highly conductive cardiac patch that combines bioresorbable metals and polymers together in a hybrid material structure configured in a thin serpentine geometry that yields elastic mechanical properties. Finite element analysis guides optimized choices of layouts in these systems. Regular and synchronous contraction of human induced pluripotent stem cell-derived cardiomyocytes on the cardiac patch and ex vivo studies offer insights into the essential properties and the bio-interface. These results provide additional options in the design of cardiac patches to treat MI and other cardiac disorders.
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6
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Zheng J, Chen H, Lu C, Yoshitomi T, Kawazoe N, Yang Y, Chen G. 3D culture of bovine articular chondrocytes in viscous medium encapsulated in agarose hydrogels for investigation of viscosity influence on cell functions. J Mater Chem B 2023; 11:7424-7434. [PMID: 37431770 DOI: 10.1039/d3tb01174g] [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: 07/12/2023]
Abstract
The mechanical properties of an extracellular microenvironment can affect cell functions. The effects of elasticity and viscoelasticity on cell functions have been extensively studied with hydrogels of tunable mechanical properties. However, investigation of the viscosity effect on cell functions is still very limited and it can be tricky to explore how viscosity affects cells in three-dimensional (3D) culture due to the lack of appropriate tools. In this study, agarose hydrogel containers were prepared and used to encapsulate viscous media for 3D cell culture to investigate the viscosity effect on the functions of bovine articular chondrocytes (BACs). Polyethylene glycol of different molecular weights was used to adjust culture medium viscosity in a large range (72.8-679.2 mPa s). The viscosity affected gene expression and secretion of cartilagenious matrices, while it did not affect BAC proliferation. The BACs cultured in the lower viscosity medium (72.8 mPa s) showed a higher level of cartilaginous gene expression and matrix secretion.
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Affiliation(s)
- Jing Zheng
- Research Center for Macromoleculaes and Biomaterials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan.
- Department of Materials Science and Engineering, Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan
| | - Huajian Chen
- Research Center for Macromoleculaes and Biomaterials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan.
| | - Chengyu Lu
- Research Center for Macromoleculaes and Biomaterials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan.
- Department of Materials Science and Engineering, Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan
| | - Toru Yoshitomi
- Research Center for Macromoleculaes and Biomaterials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan.
| | - Naoki Kawazoe
- Research Center for Macromoleculaes and Biomaterials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan.
| | - Yingnan Yang
- Graduate School of Life and Environmental Science, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan
| | - Guoping Chen
- Research Center for Macromoleculaes and Biomaterials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan.
- Department of Materials Science and Engineering, Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan
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7
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Mou Q, Bai Y, Xu M, Lv D, Deng J, Hu N, Yang J. Microarray Chip and Method for Simultaneous and Highly Consistent Electroporation of Multiple Cells of Different Sizes. Anal Chem 2023. [PMID: 37230941 DOI: 10.1021/acs.analchem.3c00528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Cell electroporation is an important cell manipulation technology to artificially transfer specific extracellular components into cells. However, the consistency of substance transport during the electroporation process is still an issue due to the wide size distribution of the natural cells. In this study, a cell electroporation microfluidic chip based on a microtrap array is proposed. The microtrap structure was optimized for single-cell capture and electric field focusing. The effects of the cell size on the cell electroporation in the microchip were investigated through simulation and experiment methods using the giant unilamellar vesicle as the simplified cell model, and a numerical model of a uniform electric field was used as a comparison. Compared with the uniform electric field, a lower threshold electric field is required to induce electroporation and produces a higher transmembrane voltage on the cell under a specific electric field in the microchip, showing an improvement in cell viability and electroporation efficiency. The larger perforated area produced on the cells in the microchip under a specific electric field allows a higher substance transfer efficiency, and the electroporation results are less affected by the cell size, which is beneficial for improving substance transfer consistency. Furthermore, the relative perforation area increases with the decrease of the cell diameter in the microchip, which is exactly opposite to that in a uniform electric field. By manipulating the electric field applied to the microtrap individually, a consistent proportion of substance transfer during electroporation of cells with different sizes can be achieved.
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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
| | - Yaqi Bai
- 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
| | - Dan Lv
- 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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8
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Wu M, Wang M, Jia H, Wu P. Extracellular vesicles: emerging anti-cancer drugs and advanced functionalization platforms for cancer therapy. Drug Deliv 2022; 29:2513-2538. [PMID: 35915054 PMCID: PMC9347476 DOI: 10.1080/10717544.2022.2104404] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Increasing evidences show that unmodified extracellular vesicles (EVs) derived from various cells can effectively inhibit the malignant progression of different types of tumors by delivering the bioactive molecules. Therefore, EVs are expected to be developed as emerging anticancer drugs. Meanwhile, unmodified EVs as an advanced and promising nanocarrier that is frequently used in targeted delivery therapeutic cargos and personalized reagents for the treatment and diagnosis of cancer. To improve the efficacy of EV-based treatments, researchers are trying to engineering EVs as an emerging nanomedicine translational therapy platform through biological, physical and chemical approaches, which can be broaden and altered to enhance their therapeutic capability. EVs loaded with therapeutic components such as tumor suppressor drugs, siRNAs, proteins, peptides, and conjugates exhibit significantly enhanced anti-tumor effects. Moreover, the design and preparation of tumor-targeted modified EVs greatly enhance the specificity and effectiveness of tumor therapy, and these strategies are expected to become novel ideas for tumor precision medicine. This review will focus on reviewing the latest research progress of functionalized EVs, clarifying the superior biological functions and powerful therapeutic potential of EVs, for researchers to explore new design concepts based on EVs and build next-generation nanomedicine therapeutic platforms.
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Affiliation(s)
- Manling Wu
- Department of Clinical Laboratory, The First Affiliated Hospital of UST C, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, P.R. China
- Anhui Provincial Children’s Hospital, Hefei, Anhui, P.R. China
| | - Min Wang
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, P.R. China
| | - Haoyuan Jia
- Department of Clinical Laboratory, The Affiliated Wuxi People’s Hospital of Nanjing Medical University, Wuxi, Jiangsu, P.R. China
| | - Peipei Wu
- Department of Clinical Laboratory, The First Affiliated Hospital of UST C, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, P.R. China
- Anhui Provincial Children’s Hospital, Hefei, Anhui, P.R. China
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9
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Wang Y, Wang N, Yang Y, Chen Y, Zhang Z. Cellular nanomechanics derived from pattern-dependent focal adhesion and cytoskeleton to balance gene transfection of malignant osteosarcoma. J Nanobiotechnology 2022; 20:499. [DOI: 10.1186/s12951-022-01713-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Accepted: 11/16/2022] [Indexed: 11/25/2022] Open
Abstract
AbstractGene transfection was supposed to be the most promising technology to overcome the vast majority of diseases and it has been popularly reported in clinical applications of gene therapy. In spite of the rapid development of novel transfection materials and methods, the influence of morphology-dependent nanomechanics of malignant osteosarcoma on gene transfection is still unsettled. In this study, cell spreading and adhesion area was adjusted by the prepared micropatterns to regulate focal adhesion (FA) formation and cytoskeletal organization in osteosarcoma cells. The micropattern-dependent FA and cytoskeleton could induce different cellular nanomechanics to affect cell functions. Our results indicated that transfection efficiency was improved with enlarging FA area and cell nanomechanics in micropatterned osteosarcoma. The difference of gene transfection in micropatterned cells was vigorously supported by cellular internalization capacity, Ki67 proliferation ability and YAP mechanotranduction through the regulation of focal adhesion and cytoskeletal mechanics. This study is an attempt to disclose the relationship of cell nanomechanics and gene transfection for efficient gene delivery and develop multifunctional nanomedicine biomaterials for accurate gene therapy in osteosarcoma cells.
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10
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Liu YY, Sun ZX, Liu J, Zhang Q, Liu Y, Cao A, Sun YP, Wang H. On the Cellular Uptake and Exocytosis of Carbon Dots─Significant Cell Type Dependence and Effects of Cell Division. ACS APPLIED BIO MATERIALS 2022; 5:4378-4389. [PMID: 36044400 DOI: 10.1021/acsabm.2c00542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Understanding the cellular uptake and exocytosis processes of nanoparticles (NPs) is essential for developing the nanomedicines and assessing the health risk of nanomaterials. Considerable efforts have been made to reveal how physicochemical properties of NPs influence these processes. However, little attention has been paid to how cell type impacts these processes, especially exocytosis. Herein, the uptake and exocytosis of the carbon dots (CDs) obtained from the carbonization of citric acid with polyethylenimine (PEI) oligomers (CDs-PEI) in five human cell lines (HeLa, A549, BEAS-2B, A431, and MDA-MB-468) are analyzed to understand how cell type influences the fate of CDs in cells. The cell division is taken into account by the correction of cell number for accurate quantification of the uptake and exocytosis of CDs-PEI. The results indicate that the cell type significantly affects the cellular uptake, trafficking, and exocytosis of CDs-PEI. Among the cell types investigated, MDA-MB-468 cells have the greatest capacity for both uptake and exocytosis, and HeLa cells have the least capacity. The kinetics of the exocytosis largely follows a single exponential decay function, with the remaining CDs-PEI in cells reaching plateaus within 24 h. The kinetic parameters are cell-dependent but insensitive to the initial intracellular CDs-PEI content. Generally, the Golgi apparatus pathways are more important in exocytosis than the lysosomal pathway, and the locations of CDs-PEI in the beginning of exocytosis are not correlated with their exocytosis pathways. The findings on the cell type-dependent cellular uptake and exocytosis reported here may be valuable to the future design of high-performance and safe CDs and related nanomaterials in general.
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Affiliation(s)
- Yuan-Yuan Liu
- Institute of Nanochemistry and Nanobiology, Shanghai University, Shanghai 200444, China
| | - Zao-Xia Sun
- Institute of Nanochemistry and Nanobiology, Shanghai University, Shanghai 200444, China
| | - Jie Liu
- Institute of Nanochemistry and Nanobiology, Shanghai University, Shanghai 200444, China
| | - Qiangqiang Zhang
- Institute of Nanochemistry and Nanobiology, Shanghai University, Shanghai 200444, China
| | - Yuanfang Liu
- Institute of Nanochemistry and Nanobiology, Shanghai University, Shanghai 200444, China
- Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Aoneng Cao
- Institute of Nanochemistry and Nanobiology, Shanghai University, Shanghai 200444, China
| | - Ya-Ping Sun
- Department of Chemistry, Clemson University, Clemson, South Carolina 29634, United States
| | - Haifang Wang
- Institute of Nanochemistry and Nanobiology, Shanghai University, Shanghai 200444, China
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11
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Howard D, Turnbull T, Paterson DJ, Thierry B, Kempson I. Cell Size as a Primary Determinant in Targeted Nanoparticle Uptake. ACS APPLIED BIO MATERIALS 2022; 5:4222-4231. [PMID: 36027561 DOI: 10.1021/acsabm.2c00434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Nanoparticle (NP) internalization by cells is complex, highly heterogeneous, and fundamentally important for nanomedicine. We report powerful probabilistic statistics from single-cell data on quantitative NP uptake of PEG-coated transferrin receptor-targeted gold NPs for cancer-derived and fibroblast cells according to their cell size, receptor expression, and receptor density. The smaller cancer cells had a greater receptor density and more efficient uptake of targeted NPs. However, simply due to fibroblasts being larger with more receptors, they exhibited greater NP uptake. While highly heterogeneous, targeted NP uptake strongly correlated with receptor expression. When uptake was normalized to cell size, no correlation existed. Consequently, skewed population distributions in cell sizes explain the distribution in NP uptake. Furthermore, exposure to the transferrin receptor-targeted NPs alters the fibroblast size and receptor expression, suggesting that the receptor-targeted NPs may interfere with the metabolic flux and nutrient exchange, which could assist in explaining the altered regulation of cells exposed to nanoparticles.
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Affiliation(s)
- Douglas Howard
- Future Industries Institute, University of South Australia, Mawson Lakes, Salisbury, South Australia 5095, Australia
| | - Tyron Turnbull
- Future Industries Institute, University of South Australia, Mawson Lakes, Salisbury, South Australia 5095, Australia
| | - David J Paterson
- Australian Synchrotron, ANSTO, 800 Blackburn Road, Clayton, Melbourne, Victoria 3168, Australia
| | - Benjamin Thierry
- Future Industries Institute, University of South Australia, Mawson Lakes, Salisbury, South Australia 5095, Australia
| | - Ivan Kempson
- Future Industries Institute, University of South Australia, Mawson Lakes, Salisbury, South Australia 5095, Australia
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12
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Morphological Dependence of Breast Cancer Cell Responses to Doxorubicin on Micropatterned Surfaces. Polymers (Basel) 2022; 14:polym14142761. [PMID: 35890536 PMCID: PMC9323815 DOI: 10.3390/polym14142761] [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: 05/27/2022] [Revised: 07/01/2022] [Accepted: 07/04/2022] [Indexed: 11/17/2022] Open
Abstract
Cell morphology has been widely investigated for its influence on the functions of normal cells. However, the influence of cell morphology on cancer cell resistance to anti-cancer drugs remains unclear. In this study, micropatterned surfaces were prepared and used to control the spreading area and elongation of human breast cancer cell line. The influences of cell adhesion area and elongation on resistance to doxorubicin were investigated. The percentage of apoptotic breast cancer cells decreased with cell spreading area, while did not change with cell elongation. Large breast cancer cells had higher resistance to doxorubicin, better assembled actin filaments, higher DNA synthesis activity and higher expression of P-glycoprotein than small breast cancer cells. The results suggested that the morphology of breast cancer cells could affect their resistance to doxorubicin. The influence was correlated with cytoskeletal organization, DNA synthesis activity and P-glycoprotein expression.
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13
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Huang S, Su Q, Hou X, Han K, Ma S, Xu B, Yang Y. Influence of Colonies’ Morphological Cues on Cellular Uptake Capacity of Nanoparticles. Front Bioeng Biotechnol 2022; 10:922159. [PMID: 35711638 PMCID: PMC9194857 DOI: 10.3389/fbioe.2022.922159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Accepted: 04/26/2022] [Indexed: 11/13/2022] Open
Abstract
High transmembrane delivery efficiency of nanoparticles has attracted substantial interest for biomedical applications. It has been proved that the desired physicochemical properties of nanoparticles were efficient for obtaining a high cellular uptake capacity. On the other hand, biophysical stimuli from in situ microenvironment were also indicated as another essential factor in the regulation of cellular uptake capacity. Unfortunately, the influence of colony morphology on cellular uptake capacity was rarely analyzed. In this study, micropatterned PDMS stencils containing circular holes of 800/1,200 μm in diameter were applied to control colonies’ size. The amino-modified nanoparticles were cocultured with micropatterned colonies to analyze the influence of colonies’ morphology on the cellular uptake capacity of nanoparticles. Consequently, more endocytosed nanoparticles in larger colonies were related with a bigger dose of nanoparticles within a larger area. Additionally, the high cell density decreased the membrane–nanoparticles’ contacting probability but enhanced clathrin-mediated endocytosis. With these contrary effects, the cells with medium cell density or located in the peripheral region of the micropatterned colonies showed a higher cellular uptake capacity of nanoparticles.
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Affiliation(s)
- Siyuan Huang
- Materials Institute of Atomic and Molecular Science, Shaanxi University of Science and Technology, Xi’an, China
- School of Materials Science and Engineering, Shaanxi University of Science and Technology, Xi’an, China
| | - Qi Su
- Department of Critical Care Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaoqiang Hou
- Materials Institute of Atomic and Molecular Science, Shaanxi University of Science and Technology, Xi’an, China
- School of Materials Science and Engineering, Shaanxi University of Science and Technology, Xi’an, China
| | - Kuankuan Han
- Materials Institute of Atomic and Molecular Science, Shaanxi University of Science and Technology, Xi’an, China
- School of Materials Science and Engineering, Shaanxi University of Science and Technology, Xi’an, China
| | - Shufang Ma
- Materials Institute of Atomic and Molecular Science, Shaanxi University of Science and Technology, Xi’an, China
| | - Bingshe Xu
- Materials Institute of Atomic and Molecular Science, Shaanxi University of Science and Technology, Xi’an, China
- *Correspondence: Bingshe Xu, ; Yingjun Yang,
| | - Yingjun Yang
- Materials Institute of Atomic and Molecular Science, Shaanxi University of Science and Technology, Xi’an, China
- *Correspondence: Bingshe Xu, ; Yingjun Yang,
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14
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Paul A, Kumar S, Kaoud TS, Pickett MR, Bohanon AL, Zoldan J, Dalby KN, Parekh SH. Biomechanical Dependence of SARS-CoV-2 Infections. ACS APPLIED BIO MATERIALS 2022; 5:2307-2315. [PMID: 35486915 PMCID: PMC9063985 DOI: 10.1021/acsabm.2c00143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 04/18/2022] [Indexed: 11/28/2022]
Abstract
Older people have been disproportionately vulnerable to the current SARS-CoV-2 pandemic, with an increased risk of severe complications and death compared to other age groups. A mix of underlying factors has been speculated to give rise to this differential infection outcome including changes in lung physiology, weakened immunity, and severe immune response. Our study focuses on the impact of biomechanical changes in lungs that occur as individuals age, that is, the stiffening of the lung parenchyma and increased matrix fiber density. We used hydrogels with an elastic modulus of 0.2 and 50 kPa and conventional tissue culture surfaces to investigate how infection rate changes with parenchymal tissue stiffness in lung epithelial cells challenged with SARS-CoV-2 Spike (S) protein pseudotyped lentiviruses. Further, we employed electrospun fiber matrices to isolate the effect of matrix density. Given the recent data highlighting the importance of alternative virulent strains, we included both the native strain identified in early 2020 and an early S protein variant (D614G) that was shown to increase the viral infectivity markedly. Our results show that cells on softer and sparser scaffolds, closer resembling younger lungs, exhibit higher infection rates by the WT and D614G variant. This suggests that natural changes in lung biomechanics do not increase the propensity for SARS-CoV-2 infection and that other factors, such as a weaker immune system, may contribute to increased disease burden in the elderly.
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Affiliation(s)
- Alexandra Paul
- Department of Biomedical Engineering,
University of Texas at Austin, Austin, Texas 78712,
United States
- Department of Biology and Biological Engineering,
Chalmers University of Technology, SE-412 98 Gothenburg,
Sweden
| | - Sachin Kumar
- Department of Biomedical Engineering,
University of Texas at Austin, Austin, Texas 78712,
United States
- Centre for Biomedical Engineering, Indian
Institute of Technology Delhi, Hauz Khas, New Delhi 110016,
India
- All India Institute of Medical
Sciences, Ansari Nagar, New Delhi 110029, India
| | - Tamer S. Kaoud
- Division of Chemical Biology and Medicinal Chemistry,
University of Texas at Austin, Austin, Texas 78712,
United States
| | - Madison R. Pickett
- Department of Biomedical Engineering,
University of Texas at Austin, Austin, Texas 78712,
United States
| | - Amanda L. Bohanon
- Division of Chemical Biology and Medicinal Chemistry,
University of Texas at Austin, Austin, Texas 78712,
United States
| | - Janet Zoldan
- Department of Biomedical Engineering,
University of Texas at Austin, Austin, Texas 78712,
United States
| | - Kevin N. Dalby
- Division of Chemical Biology and Medicinal Chemistry,
University of Texas at Austin, Austin, Texas 78712,
United States
| | - Sapun H. Parekh
- Department of Biomedical Engineering,
University of Texas at Austin, Austin, Texas 78712,
United States
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15
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Ozcicek I, Aysit N, Cakici C, Aydeger A. The effects of surface functionality and size of gold nanoparticles on neuronal toxicity, apoptosis, ROS production and cellular/suborgan biodistribution. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 128:112308. [PMID: 34474859 DOI: 10.1016/j.msec.2021.112308] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 06/15/2021] [Accepted: 07/07/2021] [Indexed: 12/19/2022]
Abstract
Gold nanoparticles are emerging as promising nanomaterials to create nanoscale therapeutic delivery systems. The aim of the study was to synthesis of highly monodisperse and stable gold nanoparticles functionalized with polyethyleneimine (PEI) and polyethylene glycol (PEG), multiparametric investigation of their neuronal toxicological effects and evaluation of the cellular/suborgan biodistribution. Gold nanoparticles (AuNP20 and AuNP50) were synthesized and their surfaces were electrostatically modified by PEI and PEG. Dorsal root ganglion (DRG) sensory neurones were isolated from BALB/c mice. Cell viability, apoptosis and ROS production were evaluated in vitro. Cellular and suborgan biodisribution of the AuNPs were investigated using inductively coupled plasma mass spectrometry (ICP-MS) technique. PEI and PEG surface coating increased both biocompatibility and biodistribution of the AuNPs. ICP-MS measurements showed the presence of gold in liver, spleen, kidney, heart, blood and brain within a 30 days period. The size and surface chemistry of the AuNPs are important parameters for potential nanoteranostic applications in the future studies.
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Affiliation(s)
- Ilyas Ozcicek
- Department of Medical Biology, School of Medicine, Istanbul Medipol University, Istanbul, Turkey; Health Science and Technologies Research Institute (SABITA), Istanbul Medipol University, Istanbul, Turkey.
| | - Nese Aysit
- Department of Medical Biology, School of Medicine, Istanbul Medipol University, Istanbul, Turkey; Health Science and Technologies Research Institute (SABITA), Istanbul Medipol University, Istanbul, Turkey
| | - Cagri Cakici
- Department of Medical Biochemistry, School of Medicine, Istanbul Medipol University, Istanbul, Turkey
| | - Asel Aydeger
- Graduate School of Health Sciences, Istanbul Medipol University, Istanbul, Turkey
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16
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Regulating the uptake of poly(N-(2-hydroxypropyl) methacrylamide)-based micelles in cells cultured on micropatterned surfaces. Biointerphases 2021; 16:041002. [PMID: 34261325 DOI: 10.1116/6.0001012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Cellular uptake of nanoparticles plays a crucial role in cell-targeted biomedical applications. Despite abundant studies trying to understand the interaction between nanoparticles and cells, the influence of cell geometry traits such as cell spreading area and cell shape on the uptake of nanoparticles remains unclear. In this study, poly(vinyl alcohol) is micropatterned on polystyrene cell culture plates using ultraviolet photolithography to control the spreading area and shape of individual cells. The effects of these factors on the cellular uptake of poly(N-(2-hydroxypropyl)methacrylamide)-based micelles were investigated at a single-cell level. Human carcinoma MCF-7 and A549 cells as well as normal Hs-27 and MRC-5 fibroblasts were cultured on micropatterned surfaces. MCF-7 and A549 cells, both with larger sizes, had a higher total micelle uptake. However, the uptake of Hs-27 and MRC-5 cells decreased with increasing spreading area. In terms of cell shapes, MCF-7 and A549 cells with round shapes showed a higher micelle uptake, while those with a square shape had a lower cellular uptake. On the other hand, Hs-27 and MRC-5 cells showed opposite behaviors. The results indicate that the geometry of cells can influence the nanoparticle uptake and may shed light on the design of functional nanoparticles.
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17
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Liu H, Yang G, Yin H, Wang Z, Chen C, Liu Z, Xie H. In vitro and in vivo osteogenesis up-regulated by two-dimensional nanosheets through a macrophage-mediated pathway. Biomater Sci 2021; 9:780-794. [PMID: 33206069 DOI: 10.1039/d0bm01596b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Two-dimensional (2D) nanomaterials are attracting more and more interest in regenerative medicine due to their unique properties; however 2D biomimetic calcium mineral has not yet been developed and demonstrated application for bone tissue engineering. Here we described a novel calcium phosphate material with a 2D nanostructure that was synthesized using collagen and sodium alginate as the template. In vitro performance of the nanocrystalline material was evaluated, and we found that 2D CaP nanoparticles (NPs) enhanced the in vitro osteogenic differentiation of rat mesenchymal stem cells (rMSCs) through a macrophage-mediated signal pathway, when co-cultured with RAW 264.7 cells, rather than direct NP/stem cell interaction. A 2D topology structured surface was constructed by encapsulating the CaP nanomaterials in a gelatin hydrogel, which was demonstrated to be able to mediate in vivo ossification through a macrophage polarization related pathway in a femur defect rat model, and allowed the optimal therapeutic outcome compared to normal CaP counterparts. Our current work may have enlightened a new mechanism regarding NP-induced stem cell differentiation through immunoregulation, and the 2D CaP encapsulated hydrogel scaffold may serve as a potential alternative to autograft bone for orthopedic applications.
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Affiliation(s)
- Haoming Liu
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha 410008, China. and Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Gaojie Yang
- Department of Materials, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Hao Yin
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha 410008, China. and Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Zhenxing Wang
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha 410008, China. and Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Chunyuan Chen
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha 410008, China. and Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Zhengzhao Liu
- Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha 410008, China and Department of Sports Medicine, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Hui Xie
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha 410008, China. and Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha 410008, China and Department of Sports Medicine, Xiangya Hospital, Central South University, Changsha 410008, China and National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, China and Hunan Key Laboratory of Organ Injury, Aging and Regenerative Medicine, Changsha 410008, China and Hunan Key Laboratory of Bone Joint Degeneration and Injury, Changsha 410008, China
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18
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Johnston ST, Faria M, Crampin EJ. Understanding nano-engineered particle-cell interactions: biological insights from mathematical models. NANOSCALE ADVANCES 2021; 3:2139-2156. [PMID: 36133772 PMCID: PMC9417320 DOI: 10.1039/d0na00774a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 03/08/2021] [Indexed: 05/02/2023]
Abstract
Understanding the interactions between nano-engineered particles and cells is necessary for the rational design of particles for therapeutic, diagnostic and imaging purposes. In particular, the informed design of particles relies on the quantification of the relationship between the physicochemical properties of the particles and the rate at which cells interact with, and subsequently internalise, particles. Quantitative models, both mathematical and computational, provide a powerful tool for elucidating this relationship, as well as for understanding the mechanisms governing the intertwined processes of interaction and internalisation. Here we review the different types of mathematical and computational models that have been used to examine particle-cell interactions and particle internalisation. We detail the mathematical methodology for each type of model, the benefits and limitations associated with the different types of models, and highlight the advances in understanding gleaned from the application of these models to experimental observations of particle internalisation. We discuss the recent proposal and ongoing community adoption of standardised experimental reporting, and how this adoption is an important step toward unlocking the full potential of modelling approaches. Finally, we consider future directions in quantitative models of particle-cell interactions and highlight the need for hybrid experimental and theoretical investigations to address hitherto unanswered questions.
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Affiliation(s)
- Stuart T Johnston
- School of Mathematics and Statistics, University of Melbourne Parkville Victoria 3010 Australia
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, Melbourne School of Engineering, University of Melbourne Parkville Victoria 3010 Australia
- Systems Biology Laboratory, School of Mathematics and Statistics, Department of Biomedical Engineering, University of Melbourne Parkville Victoria 3010 Australia
| | - Matthew Faria
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, Melbourne School of Engineering, University of Melbourne Parkville Victoria 3010 Australia
- Systems Biology Laboratory, School of Mathematics and Statistics, Department of Biomedical Engineering, University of Melbourne Parkville Victoria 3010 Australia
- Department of Biomedical Engineering, University of Melbourne Parkville Victoria 3010 Australia
| | - Edmund J Crampin
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, Melbourne School of Engineering, University of Melbourne Parkville Victoria 3010 Australia
- Systems Biology Laboratory, School of Mathematics and Statistics, Department of Biomedical Engineering, University of Melbourne Parkville Victoria 3010 Australia
- School of Medicine, Faculty of Medicine Dentistry and Health Sciences, University of Melbourne Parkville Victoria 3010 Australia
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19
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Wang Y, Yang Y, Wang X, Kawazoe N, Yang Y, Chen G. The varied influences of cell adhesion and spreading on gene transfection of mesenchymal stem cells on a micropatterned substrate. Acta Biomater 2021; 125:100-111. [PMID: 33524558 DOI: 10.1016/j.actbio.2021.01.042] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 01/08/2021] [Accepted: 01/26/2021] [Indexed: 12/17/2022]
Abstract
Transmembrane transport of exogenous genes is widely investigated because of high demand for gene therapy. Both gene carriers and cellular conditions can affect gene transfection efficiency. Although cell morphology has been reported to affect cell functions, the influence of cell adhesion area and cell spreading area on the transfection of exogenous genes remains unclear because it is difficult to separate the individual influence of these areas during normal cell culture. In this study, micropatterns were prepared to separately control the adhesion and spreading areas of human bone marrow-derived mesenchymal stem cells (hMSCs). Transfection efficiency of the green fluorescent protein gene to hMSCs cultured on the micropatterns was compared. Cells with a larger adhesion area showed higher transfection efficiency, while cell spreading area hardly affected gene transfection efficiency. Cell adhesion area had dominant influence on gene transfection. Microparticle uptake and BrdU staining showed that the cellular uptake capacity and DNA synthesis activity increased with the increase in cell adhesion area, but were not affected by cell spreading area. The different influence of cell adhesion area and cell spreading area on gene transfection was correlated with their influence on cellular uptake capacity, DNA synthesis activity, focal adhesion formation, cytoskeletal mechanics, and mechanotransduction signal activation. The results suggest that cell adhesion area and cell spreading area had different influence on gene transfection; this finding should provide useful information for the manipulation of cell functions in gene therapy, protein modification, and cell reprogramming. STATEMENT OF SIGNIFICANCE: Cell adhesion and spreading are important morphological factors during the interaction of cells with biomaterial surfaces or interfaces. However, the predominant morphological factor that affects cellular functions such as gene transfection remains unclear. In the present study, special micropatterns were used to precisely control cell adhesion and spreading areas independently. Mesenchymal stem cells cultured on the micropatterns were transfected with the green fluorescent protein gene to compare the different influence of cell adhesion and spreading areas on gene transfection efficiency. Cell adhesion area showed dominant influence on gene transfection, while cell spreading area did not affect gene transfection. The dominant influence of cell adhesion area could be explained by cellular uptake capacity and DNA synthesis activity through the formation of FAs, cytoskeletal mechanics, and YAP/TAZ nuclear localization. The results provide new insights of correlation between cell morphology and cellular functions for designing functional biomaterials.
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20
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Wang Y, Yang Y, Wang X, Yoshitomi T, Kawazoe N, Yang Y, Chen G. Micropattern-controlled chirality of focal adhesions regulates the cytoskeletal arrangement and gene transfection of mesenchymal stem cells. Biomaterials 2021; 271:120751. [PMID: 33740614 DOI: 10.1016/j.biomaterials.2021.120751] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 02/26/2021] [Accepted: 03/02/2021] [Indexed: 02/07/2023]
Abstract
Cell chirality has been demonstrated to be important for controlling cell functions. However, it is not clear how the chirality of the extracellular microenvironment regulates cell adhesion and cytoskeletal structures and therefore affects gene transfection. In this study, the chirality of focal adhesions and the cytoskeleton of single human mesenchymal stem cells (hMSCs) was controlled by specially designed micropatterns, and its influence on gene transfection was investigated. Micropatterns with different cell adhesion areas and swirling stripe lines were prepared by micropatterning fibronectin on polystyrene surfaces. The chiral micropatterns induced the formation of chiral focal adhesions and chiral cytoskeletal structures. Gene transfection efficiency was enhanced with increasing adhesion area, while hMSCs on left-handed and right-handed swirling micropatterns showed the same level of gene transfection. When the swirling angle was changed from 0°, 30°, and 60° to 90°, the gene transfection efficiency at a swirling angle of 60° was the lowest. The influence of cell chirality on gene transfection was strongly associated with cellular uptake capacity, DNA synthesis and cytoskeletal mechanics. The results demonstrated that cytoskeletal swirling had a significant influence on gene transfection.
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Affiliation(s)
- Yongtao Wang
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan; Department of Materials Science and Engineering, Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8577, Japan
| | - Yingjun Yang
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan; Department of Materials Science and Engineering, Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8577, Japan
| | - Xinlong Wang
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan; Department of Materials Science and Engineering, Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8577, Japan
| | - Toru Yoshitomi
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
| | - Naoki Kawazoe
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
| | - Yingnan Yang
- Graduate School of Life and Environmental Science, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8572, Japan
| | - Guoping Chen
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan; Department of Materials Science and Engineering, Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8577, Japan.
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21
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Lim S, Kim W, Song S, Shim MK, Yoon HY, Kim BS, Kwon IC, Kim K. Intracellular Uptake Mechanism of Bioorthogonally Conjugated Nanoparticles on Metabolically Engineered Mesenchymal Stem Cells. Bioconjug Chem 2021; 32:199-214. [PMID: 33397092 DOI: 10.1021/acs.bioconjchem.0c00640] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Nanoparticles have been used for effectively delivering imaging agents and therapeutic drugs into stem cells. However, nanoparticles are not sufficiently internalized into stem cells; thus, new delivery method of nanoparticles into stem cells is urgently needed. Herein, we develop bicyclo[6.1.0]nonyne (BCN)-conjugated gold nanoparticles (BCN-AuNPs), which can be bioorthogonally conjugated to azide (-N3) groups on the surface of metabolically engineered stem cells via bioorthogonal click chemistry. For incorporating azide groups on the cell surface, first, human adipose-derived mesenchymal stem cells (hMSCs) were metabolically engineered with N-azidoacetylmannosamine-tetraacylated (Ac4ManNAz). Second, clickable BCN-AuNPs were bioorthogonally conjugated to azide groups on Ac4ManNAz-treated hMSCs. Importantly, a large amount of BCN-AuNPs was specifically conjugated to metabolically engineered hMSCs and then internalized rapidly into stem cells through membrane turnover mechanism, compared to the conventional nanoparticle-derived endocytosis mechanism. Furthermore, BCN-AuNPs entrapped in endosomal/lysosomal compartment could escape efficiently to the cytoplasm of metabolically engineered stem cells. Finally, BCN-AuNPs in stem cells were very safe, and they did not affect stem cell functions, such as self-renewal and differentiation capacity. These bioorthogonally conjugated nanoparticles on metabolically engineered stem cells can enhance the cellular uptake of nanoparticles via bioorthogonal conjugation mechanism.
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Affiliation(s)
- Seungho Lim
- School of Chemical and Biological Engineering, Seoul National University, 1, Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea.,Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), 5, Hwarang-ro 14-gil, Seongbuk-gu, Seoul, 02792, Republic of Korea
| | - Woojun Kim
- Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), 5, Hwarang-ro 14-gil, Seongbuk-gu, Seoul, 02792, Republic of Korea.,KU-KIST Graduate School of Converging Science and Technology, Korea University, 145, Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - Sukyung Song
- Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), 5, Hwarang-ro 14-gil, Seongbuk-gu, Seoul, 02792, Republic of Korea
| | - Man Kyu Shim
- Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), 5, Hwarang-ro 14-gil, Seongbuk-gu, Seoul, 02792, Republic of Korea
| | - Hong Yeol Yoon
- Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), 5, Hwarang-ro 14-gil, Seongbuk-gu, Seoul, 02792, Republic of Korea
| | - Byung-Soo Kim
- School of Chemical and Biological Engineering, Seoul National University, 1, Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea
| | - Ick Chan Kwon
- Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), 5, Hwarang-ro 14-gil, Seongbuk-gu, Seoul, 02792, Republic of Korea.,KU-KIST Graduate School of Converging Science and Technology, Korea University, 145, Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - Kwangmeyung Kim
- Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), 5, Hwarang-ro 14-gil, Seongbuk-gu, Seoul, 02792, Republic of Korea.,KU-KIST Graduate School of Converging Science and Technology, Korea University, 145, Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea
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22
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Wang Y, Yang Y, Yoshitomi T, Kawazoe N, Yang Y, Chen G. Regulation of gene transfection by cell size, shape and elongation on micropatterned surfaces. J Mater Chem B 2021; 9:4329-4339. [PMID: 34013946 DOI: 10.1039/d1tb00815c] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Gene transfection has been widely studied due to its potential applications in tissue repair and gene therapy. Many studies have focused on designing gene carriers and developing novel transfection techniques. However, the influence of cell size, shape and elongation on gene transfection has rarely been investigated. In this study, poly(vinyl alcohol)-micropatterned surfaces were prepared to precisely manipulate the size, shape and elongation of mesenchymal stem cells, and the influences of these factors on gene transfection were investigated. Cell size showed a significant influence on gene transfection. Elongation could affect the gene transfection of large cells but not small cells. Cells with a large spreading area and high aspect ratio showed high transfection with exogenous plasmid DNA. In particular, the transfection efficiency was the highest in micropatterned cells with a spreading area of 5024 μm2 and an aspect ratio of 8 : 1. In contrast, cell shape had no significant influence on gene transfection. The different influences of cell size, shape and elongation were correlated with their respective impacts on cytoskeletal structures, cellular nanoparticle uptake and DNA synthesis. Cells with a large size and elongated morphology showed well-organized actin filaments with a high cellular modulus, therefore promoting cellular nanoparticle uptake and DNA synthesis. Cells with different shapes showed similarities in actin filament organization, cellular modulus, uptake capacity and DNA synthesis. The results suggest the importance of cell size and elongation in exogenous gene transfection and should provide useful information for gene transfection and gene therapy.
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Affiliation(s)
- Yongtao Wang
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan. and Department of Materials Science and Engineering, Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan
| | - Yingjun Yang
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan. and Department of Materials Science and Engineering, Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan
| | - Toru Yoshitomi
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan.
| | - Naoki Kawazoe
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan.
| | - Yingnan Yang
- Graduate School of Life and Environmental Science, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan
| | - Guoping Chen
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan. and Department of Materials Science and Engineering, Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan
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23
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Shin H, Kwak M, Lee TG, Lee JY. Quantifying the level of nanoparticle uptake in mammalian cells using flow cytometry. NANOSCALE 2020; 12:15743-15751. [PMID: 32677657 DOI: 10.1039/d0nr01627f] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Reliable quantification of nanoparticle uptake in mammalian cells is essential to study the effects of nanoparticles in the fields of medicine and environmental science. Most conventional quantification methods, such as electron microscopy or confocal imaging, are laborious and semi-quantitative and therefore not readily applicable to routine analyses. Here, we developed assays to quantify fluorescently labelled nanoparticle uptake in mammalian cells using a flow cytometer. The first approach was to measure the percentage of nanoparticle-containing cells based on a cutoff fluorescence intensity as set from a histogram of control cells, which is a quick and easy way to relatively compare nanoparticle uptake in the same set of experiments. The second approach was to measure the calibrated fluorescence intensity of the nanoparticle-treated cells in molecules of equivalent soluble fluorophore (MESF) values using calibration beads, which allows for comparisons between different sets of experiments. We successfully applied the developed assays to more readily measure fluorescence-labelled silica nanoparticle uptake in A549 lung carcinoma cells in a quantitative rather than semi-quantitative manner. We further tested the assays with nine different types of mammalian cells and investigated the correlation between cell type/size and nanoparticle uptake.
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Affiliation(s)
- HyeRim Shin
- Center for Bioanalysis, Division of Chemical and Medical Metrology, Korea Research Institute of Standards and Science, 267 Gajeong-ro, Yuseong-gu, Daejeon 34113, Republic of Korea.
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24
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Efficient synthesis of amino acids capped gold nanoparticles from easily reducible aryldiazonium tetrachloroaurate(III) salts for cellular uptake study. Amino Acids 2020; 52:941-953. [PMID: 32607864 DOI: 10.1007/s00726-020-02862-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Accepted: 06/17/2020] [Indexed: 12/18/2022]
Abstract
Biomimetic synthesis of gold nanoparticles (GNPs) is critical in biomedical applications. Gold bioconjugates were fabricated by capping the water-dispersible gold-carbon nanoparticles with tyrosine, tryptophan and cysteine amino acids. Incubation of the water-soluble and easily reducible aryldiazonium gold(III) salt [HOOC-4-C6H4N≡N]AuCl4 with amino acids at room temperature formed a purple color over a few minutes with tryptophan and tyrosine and over two hours with cysteine. Rarely that cysteine is capable of reducing gold(III) precursors; however, a cysteine capped gold bioconjugate was synthesized and characterized in this study. Capping GNPs with amino acids was confirmed by high resolution transmission electron microscopy (TEM) and agarose gel electrophoresis. Depending on the amino acid, synthesized particles size was 27.2 ± 5.4 nm, 14.6 ± 7.7 nm and 8.6 ± 2.6 nm for tyrosine, tryptophan and cysteine, respectively. The amino acids capped GNPs showed negligible cytotoxicity to human dermal normal fibroblast cell lines. The highly water dispersible bioconjugates were studied for in vitro cellular uptake by HeLa cancer cells using confocal laser scan microscopy (CLSM) after being labelled with FITC (GNPs-COOH-FITC) and the nuclei were counter stained with DAPI fluorescent dyes. The biomimetic route for the synthesis of the amino acids reduced gold-carbon nanoparticles will benefit the applications in biomedical devices and biosensors.
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25
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González-López MA, Gutiérrez-Cárdenas EM, Sánchez-Cruz C, Hernández-Paz JF, Pérez I, Olivares-Trejo JJ, Hernández-González O. Reducing the effective dose of cisplatin using gold nanoparticles as carriers. Cancer Nanotechnol 2020. [DOI: 10.1186/s12645-020-00060-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
AbstractNanotechnology is a frequent treatment for cancer. Nanomaterials are the vehicles which deliver drugs in smaller but equally effective quantities. The aim of this investigation is to synthesize gold nanoparticles, functionalize them for the transportation of cisplatin and release them to the cancer-affected area. They have the same cytotoxicity as conventional treatments but with the smallest effective quantity of cisplatin. We synthesized spherical gold nanoparticles using the Turkevich method. We functionalized them with polyethylene glycol and cisplatin, adapting the method used by Sun. Using electronic transmission microscopy, Dynamic Light Scattering and potential Z, we analyzed the size, hydrodynamic size, shape and stability of the synthesized nanoparticles. We analyzed their composition using images from scanning electronic microscopy to carry out energy dispersive spectroscopy measurements, ultraviolet/visible light spectroscopy and Fourier transform infrared spectroscopy. We used MTT tests to find cell viability and obtained the IC50 of the different cancer cell lines. The synthesized nanoparticles were spherical in shape and, after functionalization, were of the core–shell type. They contain approximately 7% cisplatin. The IC50 obtained diminished approximately 7 times (compared to the IC50 of cisplatin used alone) when using the gold nanoparticles. Therefore, this study opens up the possibility of an alternative way of transporting the cisplatin anticancer drug, using gold nanoparticles. It decreases the dose and has the same effect as the cisplatin, so that the undesired side effects decrease.
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26
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Villanueva-Flores F, Castro-Lugo A, Ramírez OT, Palomares LA. Understanding cellular interactions with nanomaterials: towards a rational design of medical nanodevices. NANOTECHNOLOGY 2020; 31:132002. [PMID: 31770746 PMCID: PMC7105107 DOI: 10.1088/1361-6528/ab5bc8] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 10/28/2019] [Accepted: 11/26/2019] [Indexed: 05/05/2023]
Abstract
Biomedical applications increasingly require fully characterized new nanomaterials. There is strong evidence showing that nanomaterials not only interact with cells passively but also actively, mediating essential molecular processes for the regulation of cellular functions, but we are only starting to understand the mechanisms of those interactions. Systematic studies about cell behavior as a response to specific nanoparticle properties are scarce in the literature even when they are necessary for the rational design of medical nanodevices. Information in the literature shows that the physicochemical properties determine the bioactivity, biocompatibility, and safety of nanomaterials. The information available regarding the interaction and responses of cells to nanomaterials has not been analyzed and discussed in a single document. Hence, in this review, we present the latest advances about cellular responses to nanomaterials and integrate the available information into concrete considerations for the development of innovative, efficient, specific and, more importantly, safe biomedical nanodevices. We focus on how physicochemical nanoparticle properties (size, chemical surface, shape, charge, and topography) influence cell behavior in a first attempt to provide a practical guide for designing medical nanodevices, avoiding common experimental omissions that may lead to data misinterpretation. Finally, we emphasize the importance of the systematic study of nano-bio interactions to acquire sufficient reproducible information that allows accurate control of cell behavior based on tuning of nanomaterial properties. This information is useful to guide the design of specific nanodevices and nanomaterials to elicit desired cell responses, like targeting, drug delivery, cell attachment, differentiation, etc, or to avoid undesired side effects.
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Affiliation(s)
- Francisca Villanueva-Flores
- Instituto de Biotecnología. Universidad Nacional Autónoma de México. Ave. Universidad 2001. Col. Chamilpa. Cuernavaca, Morelos 62210, México
Villanueva-Flores F: ; Castro-Lugo A: ; Ramírez O: ; Palomares L:
| | - Andrés Castro-Lugo
- Instituto de Biotecnología. Universidad Nacional Autónoma de México. Ave. Universidad 2001. Col. Chamilpa. Cuernavaca, Morelos 62210, México
Villanueva-Flores F: ; Castro-Lugo A: ; Ramírez O: ; Palomares L:
| | - Octavio T Ramírez
- Instituto de Biotecnología. Universidad Nacional Autónoma de México. Ave. Universidad 2001. Col. Chamilpa. Cuernavaca, Morelos 62210, México
Villanueva-Flores F: ; Castro-Lugo A: ; Ramírez O: ; Palomares L:
| | - Laura A Palomares
- Instituto de Biotecnología. Universidad Nacional Autónoma de México. Ave. Universidad 2001. Col. Chamilpa. Cuernavaca, Morelos 62210, México
Villanueva-Flores F: ; Castro-Lugo A: ; Ramírez O: ; Palomares L:
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27
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Asthana S, Bhattacharyya D, Kumari S, Nayak PS, Saleem M, Bhunia A, Jha S. Interaction with zinc oxide nanoparticle kinetically traps α-synuclein fibrillation into off-pathway non-toxic intermediates. Int J Biol Macromol 2020; 150:68-79. [PMID: 32004598 DOI: 10.1016/j.ijbiomac.2020.01.269] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 01/24/2020] [Accepted: 01/27/2020] [Indexed: 12/16/2022]
Abstract
α-Synuclein is an intrinsically disordered amyloidogenic protein associated with Parkinson's disease (PD). The monomeric α-synuclein transition into amyloid fibril involves multiple steps, which are affected by several intrinsic and extrinsic factors. This increases complexities in development of targeted therapeutics against the pathological intermediate(s). Several studies have been dedicated to find an effective molecule to inhibit the detrimental amyloidogenesis. In recent years, metal oxide nanoparticle interfaces have shown direct effects on protein conformation, hence may be adopted as an alternative potential therapeutic approach against amyloidosis. In this context, our study explores the zinc oxide nanoparticle (ZnONP) with negative surface potential interface interaction with α-synuclein, and subsequent impact of the interaction on the protein fibrillation and the fibril-mediated cytotoxicity. N-terminus amphipathic "KA/TKE/QGV" repeating motifs in α-synuclein primarily interact with the ZnONP interface that enthalpically drives initial adsorption of the protein onto the interface. Whereas, subsequent bulk-protein adsorption onto the hard-corona is entropically driven, leading into flocculation of the complex. The flocs appear as amorphous mesh-like morphology in TEM micrographs, as opposed to the typical fibrils formed by the wild-type protein. Interestingly, α-synuclein in complex with ZnONP shows significantly lowered cytotoxicity against the IMR32 and THP-1 cells in-vitro, as compared to fresh α-synuclein.
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Affiliation(s)
- Shreyasi Asthana
- Department of Life Science, National Institute of Technology Rourkela, Odisha 769008, India
| | | | - Swati Kumari
- Department of Life Science, National Institute of Technology Rourkela, Odisha 769008, India
| | - Parth Sarathi Nayak
- Department of Life Science, National Institute of Technology Rourkela, Odisha 769008, India
| | - Mohammed Saleem
- Department of Life Science, National Institute of Technology Rourkela, Odisha 769008, India; School of Biological Sciences, National Institute of Science Education and Research, Odisha 752059, India
| | - Anirban Bhunia
- Department of Biophysics, Bose Institute, Kolkata 700054, India
| | - Suman Jha
- Department of Life Science, National Institute of Technology Rourkela, Odisha 769008, India.
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28
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Park EJ, Han JS, Park EJ, Seong E, Lee GH, Kim DW, Son HY, Han HY, Lee BS. Repeated-oral dose toxicity of polyethylene microplastics and the possible implications on reproduction and development of the next generation. Toxicol Lett 2020; 324:75-85. [PMID: 31954868 DOI: 10.1016/j.toxlet.2020.01.008] [Citation(s) in RCA: 106] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2019] [Revised: 11/26/2019] [Accepted: 01/12/2020] [Indexed: 12/21/2022]
Abstract
With the increased distribution of microplastics in the environment, the potential for harmful effects on human health and ecosystems have become a global concern. Considering that polyethylene microplastics (PE-MPs) are among the most produced plastics worldwide, we administered PE-MPs (0.125, 0.5, 2 mg/day/mouse) by gavage to mice (10 mice/sex/dose) for 90 days. Compared to control, the body weight gain was significantly reduced in the male mice, and the proportion of neutrophils in the blood stream clearly increased in both sexes of mice. Persistence of a PE-MPs-like material and migration of granules to the mast cell membrane and accumulation of damaged organelles were observed in the stomachs and the spleens from the treated dams, respectively. Additionally, the IgA level in the blood stream was significantly elevated in the dams administered with PE-MPs compared to control, and the subpopulation of lymphocytes within the spleen was altered. Following, we performed an additional study to screen the effects of PE-MPs on reproduction and development (5 mice/sex/dose). Importantly, number of live births per dam, the sex ratio of pups, and body weight of pups was notably altered in groups treated with PE-MPs compared to the control group. Additionally, PE-MPs affected the subpopulation of lymphocytes within the spleen of the offspring, as did in the dams. Therefore, we propose that reproductive and developmental toxicity testing is warranted to evaluate the safety of microplastics. Additionally, we suggest that the IgA level may be used as a biomarker for harmful effects following exposure on microplastics.
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Affiliation(s)
- Eun-Jung Park
- Graduate School of East-West Medical Science, Kyung Hee University, Yongin, 17104, Republic of Korea; Bionanocomposite Research Center, Kyung Hee University, Seoul, 02447, Republic of Korea.
| | - Ji-Seok Han
- Toxicopathological Center, Korea Institute of Toxicology, Daejeon, 34114, Republic of Korea; Department of Veterinary Pathology, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Eun-Jun Park
- Graduate School of East-West Medical Science, Kyung Hee University, Yongin, 17104, Republic of Korea
| | - Eunsol Seong
- Graduate School of East-West Medical Science, Kyung Hee University, Yongin, 17104, Republic of Korea
| | - Gwang-Hee Lee
- School of Civil, Environmental and Architectural Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Dong-Wan Kim
- School of Civil, Environmental and Architectural Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Hwa-Young Son
- Department of Veterinary Pathology, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Hyoung-Yun Han
- Department of Predictive Toxicology Korea Institute of Toxicology, Daejeon, 34114, Republic of Korea
| | - Byoung-Seok Lee
- Toxicopathological Center, Korea Institute of Toxicology, Daejeon, 34114, Republic of Korea
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Chen G, Kawazoe N. Regulation of Stem Cell Functions by Micro-Patterned Structures. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1250:141-155. [PMID: 32601943 DOI: 10.1007/978-981-15-3262-7_10] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Micro-patterned surfaces have been broadly used to control the morphology of stem cells for investigation of the influence of physiochemical and biological cues on stem cell functions. Different structures of micro-patterned surfaces can be prepared by photolithography through designing the photomask features. Cell spreading area, geometry, aspect ratio, and alignment can be regulated by the micro-patterned structures. Their influences on adipogenic, osteogenic, and smooth muscle differentiation of the human bone marrow-derived mesenchymal stem cells are compared and investigated in details. Variation of cell morphology can trigger rearrangement of cytoskeleton, generating cytoskeletal mechanical stimulation and consequently inducing differentiation of mesenchymal stem cells into different lineages. This chapter summarizes the latest development of regulation of mesenchymal stem cell morphology by micro-patterns and the influence on the behaviors and differentiation of the mesenchymal stem cells.
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Affiliation(s)
- Guoping Chen
- Research Center for Functional Materials, National Institute for Materials Science, Tsukuba, Ibaraki, Japan.
| | - Naoki Kawazoe
- Research Center for Functional Materials, National Institute for Materials Science, Tsukuba, Ibaraki, Japan
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30
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Roobol SJ, Hartjes TA, Slotman JA, de Kruijff RM, Torrelo G, Abraham TE, Bruchertseifer F, Morgenstern A, Kanaar R, van Gent DC, Houtsmuller AB, Denkova AG, van Royen ME, Essers J. Uptake and subcellular distribution of radiolabeled polymersomes for radiotherapy. Nanotheranostics 2020; 4:14-25. [PMID: 31911891 PMCID: PMC6940201 DOI: 10.7150/ntno.37080] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Accepted: 11/06/2019] [Indexed: 12/17/2022] Open
Abstract
Polymersomes have the potential to be applied in targeted alpha radionuclide therapy, while in addition preventing release of recoiling daughter isotopes. In this study, we investigated the cellular uptake, post uptake processing and intracellular localization of polymersomes. Methods: High-content microscopy was used to validate polymersome uptake kinetics. Confocal (live cell) microscopy was used to elucidate the uptake mechanism and DNA damage induction. Intracellular distribution of polymersomes in 3-D was determined using super-resolution microscopy. Results: We found that altering polymersome size and concentration affects the initial uptake and overall uptake capacity; uptake efficiency and eventual plateau levels varied between cell lines; and mitotic cells show increased uptake. Intracellular polymersomes were transported along microtubules in a fast and dynamic manner. Endocytic uptake of polymersomes was evidenced through co-localization with endocytic pathway components. Finally, we show the intracellular distribution of polymersomes in 3-D and DNA damage inducing capabilities of 213Bi labeled polymersomes. Conclusion: Polymersome size and concentration affect the uptake efficiency, which also varies for different cell types. In addition, we present advanced assays to investigate uptake characteristics in detail, a necessity for optimization of nano-carriers. Moreover, by elucidating the uptake mechanism, as well as uptake extent and geometrical distribution of radiolabeled polymersomes we provide insight on how to improve polymersome design.
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Affiliation(s)
- Stefan J. Roobol
- Department of Molecular Genetics, Erasmus University Medical Center, Rotterdam, The Netherlands
- Oncode Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
- Department of Radiology & Nuclear Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Thomas A. Hartjes
- Department of Pathology, Erasmus University Medical Center, Rotterdam, The Netherlands
- Optical Imaging Centre (OIC), Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Johan A. Slotman
- Optical Imaging Centre (OIC), Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Robin M. de Kruijff
- Department of Radiation Science and Technology, Delft University of Technology, Delft, The Netherlands
| | - Guzman Torrelo
- Department of Radiation Science and Technology, Delft University of Technology, Delft, The Netherlands
| | - Tsion E. Abraham
- Department of Pathology, Erasmus University Medical Center, Rotterdam, The Netherlands
- Optical Imaging Centre (OIC), Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Frank Bruchertseifer
- European Commission, Joint Research Centre, Directorate for Nuclear Safety and Security, Karlsruhe, Germany
| | - Alfred Morgenstern
- European Commission, Joint Research Centre, Directorate for Nuclear Safety and Security, Karlsruhe, Germany
| | - Roland Kanaar
- Department of Molecular Genetics, Erasmus University Medical Center, Rotterdam, The Netherlands
- Oncode Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Dik C. van Gent
- Department of Molecular Genetics, Erasmus University Medical Center, Rotterdam, The Netherlands
- Oncode Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Adriaan B. Houtsmuller
- Department of Pathology, Erasmus University Medical Center, Rotterdam, The Netherlands
- Optical Imaging Centre (OIC), Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Antonia G. Denkova
- Department of Radiation Science and Technology, Delft University of Technology, Delft, The Netherlands
| | - Martin E. van Royen
- Department of Pathology, Erasmus University Medical Center, Rotterdam, The Netherlands
- Optical Imaging Centre (OIC), Erasmus University Medical Center, Rotterdam, The Netherlands
- Cancer Treatment Screening Facility (CTSF), Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Jeroen Essers
- Department of Molecular Genetics, Erasmus University Medical Center, Rotterdam, The Netherlands
- Department of Radiation Oncology, Erasmus University Medical Center, Rotterdam, The Netherlands
- Department of Vascular Surgery, Erasmus University Medical Center, Rotterdam, The Netherlands
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31
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Shamul JG, Shah SR, Kim J, Schiapparelli P, Vazquez-Ramos CA, Lee BJ, Patel KK, Shin A, Quinones-Hinojosa A, Green JJ. Verteporfin-Loaded Anisotropic Poly(Beta-Amino Ester)-Based Micelles Demonstrate Brain Cancer-Selective Cytotoxicity and Enhanced Pharmacokinetics. Int J Nanomedicine 2019; 14:10047-10060. [PMID: 31920302 PMCID: PMC6935022 DOI: 10.2147/ijn.s231167] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Accepted: 11/13/2019] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Nanomedicine can improve traditional therapies by enhancing the controlled release of drugs at targeted tissues in the body. However, there still exists disease- and therapy-specific barriers that limit the efficacy of such treatments. A major challenge in developing effective therapies for one of the most aggressive brain tumors, glioblastoma (GBM), is affecting brain cancer cells while avoiding damage to the surrounding healthy brain parenchyma. Here, we developed poly(ethylene glycol) (PEG)-poly(beta-amino ester) (PBAE) (PEG-PBAE)-based micelles encapsulating verteporfin (VP) to increase tumor-specific targeting. METHODS Biodegradable, pH-sensitive micelles of different shapes were synthesized via nanoprecipitation using two different triblock PEG-PBAE-PEG copolymers varying in their relative hydrophobicity. The anti-tumor efficacy of verteporfin loaded in these anisotropic and spherical micelles was evaluated in vitro using patient-derived primary GBM cells. RESULTS For anisotropic micelles, uptake efficiency was ~100% in GBM cells (GBM1A and JHGBM612) while only 46% in normal human astrocytes (NHA) at 15.6 nM VP (p ≤ 0.0001). Cell killing of GBM1A and JHGBM612 vs NHA was 52% and 77% vs 29%, respectively, at 24 hrs post-treatment of 125 nM VP-encapsulated in anisotropic micelles (p ≤ 0.0001), demonstrating the tumor cell-specific selectivity of VP. Moreover, anisotropic micelles showed an approximately fivefold longer half-life in blood circulation than the analogous spherical micelles in a GBM xenograft model in mice. In this model, micelle accumulation to tumors was significantly greater for anisotropic micelle-treated mice compared to spherical micelle-treated mice at both 8 hrs (~1.8-fold greater, p ≤ 0.001) and 24 hrs (~2.1-fold greater, p ≤ 0.0001). CONCLUSION Overall, this work highlights the promise of a biodegradable anisotropic micelle system to overcome multiple drug delivery challenges and enhance efficacy and safety for the treatment of brain cancer.
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Affiliation(s)
- James G Shamul
- Department of Biomedical Engineering, Johns Hopkins School of Medicine, Baltimore, MD21231, USA
- Translational Tissue Engineering Center and Institute for NanoBioTechnology, Johns Hopkins School of Medicine, Baltimore, MD21231, USA
| | - Sagar R Shah
- Department of Biomedical Engineering, Johns Hopkins School of Medicine, Baltimore, MD21231, USA
- Translational Tissue Engineering Center and Institute for NanoBioTechnology, Johns Hopkins School of Medicine, Baltimore, MD21231, USA
- Department of Neurosurgery, Mayo Clinic, Jacksonville, FL32224, USA
| | - Jayoung Kim
- Department of Biomedical Engineering, Johns Hopkins School of Medicine, Baltimore, MD21231, USA
- Translational Tissue Engineering Center and Institute for NanoBioTechnology, Johns Hopkins School of Medicine, Baltimore, MD21231, USA
| | | | | | - Ben J Lee
- Department of Biomedical Engineering, Johns Hopkins School of Medicine, Baltimore, MD21231, USA
- Translational Tissue Engineering Center and Institute for NanoBioTechnology, Johns Hopkins School of Medicine, Baltimore, MD21231, USA
| | - Kisha K Patel
- Department of Biomedical Engineering, Johns Hopkins School of Medicine, Baltimore, MD21231, USA
- Translational Tissue Engineering Center and Institute for NanoBioTechnology, Johns Hopkins School of Medicine, Baltimore, MD21231, USA
| | - Alyssa Shin
- Department of Biomedical Engineering, Johns Hopkins School of Medicine, Baltimore, MD21231, USA
- Translational Tissue Engineering Center and Institute for NanoBioTechnology, Johns Hopkins School of Medicine, Baltimore, MD21231, USA
| | | | - Jordan J Green
- Department of Biomedical Engineering, Johns Hopkins School of Medicine, Baltimore, MD21231, USA
- Translational Tissue Engineering Center and Institute for NanoBioTechnology, Johns Hopkins School of Medicine, Baltimore, MD21231, USA
- Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, MD21231, USA
- Department of Oncology, The Sidney Kimmel Comprehensive Cancer, and The Bloomberg~Kimmel Institute for Cancer Immunotherapy, Johns Hopkins School of Medicine, Baltimore, MD21231, USA
- Department of Ophthalmology, Department of Materials Science and Engineering, and Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD21231, USA
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32
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Şen Ö, Emanet M, Çulha M. Stimulatory Effect of Hexagonal Boron Nitrides in Wound Healing. ACS APPLIED BIO MATERIALS 2019; 2:5582-5596. [DOI: 10.1021/acsabm.9b00669] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Özlem Şen
- Department of Genetics and Bioengineering, Faculty of Engineering, Yeditepe University, Ataşehir, Istanbul 34755, Turkey
| | - Melis Emanet
- Department of Genetics and Bioengineering, Faculty of Engineering, Yeditepe University, Ataşehir, Istanbul 34755, Turkey
| | - Mustafa Çulha
- Department of Genetics and Bioengineering, Faculty of Engineering, Yeditepe University, Ataşehir, Istanbul 34755, Turkey
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Yang Y, Wang X, Wang Y, Hu X, Kawazoe N, Yang Y, Chen G. Influence of Cell Spreading Area on the Osteogenic Commitment and Phenotype Maintenance of Mesenchymal Stem Cells. Sci Rep 2019; 9:6891. [PMID: 31053728 PMCID: PMC6499796 DOI: 10.1038/s41598-019-43362-9] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Accepted: 04/23/2019] [Indexed: 12/17/2022] Open
Abstract
Osteogenic differentiation and commitment of mesenchymal stem cells (MSCs) is a complex process that is induced and regulated by various biological factors and biophysical cues. Although cell spreading area, as a biophysical cue, has been demonstrated to play a critical role in the regulation of osteogenic differentiation of MSCs, it is unclear how it affects the maintenance of the committed phenotype after osteogenic differentiation of MSCs. In this study, poly (vinyl alcohol) was micropatterned on a tissue culture polystyrene surface, and the micropatterns were used to culture MSCs to control their cell spreading area. The influence of cell spreading area on osteogenic differentiation and maintenance of the differentiated phenotype of MSCs was investigated. MSCs with a larger spreading area showed a higher degree of osteogenic differentiation, slower loss of differentiated phenotype and slower re-expression of stem cell markers compared with MSCs with a smaller spreading area. A large cell spreading area was beneficial for osteogenic differentiation of MSCs and maintenance of their differentiated phenotype.
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Affiliation(s)
- Yingjun Yang
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
- Department of Materials Science and Engineering, Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8577, Japan
| | - Xinlong Wang
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
| | - Yongtao Wang
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
- Department of Materials Science and Engineering, Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8577, Japan
| | - Xiaohong Hu
- Graduate School of Life and Environmental Science, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8571, Japan
| | - Naoki Kawazoe
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
| | - Yingnan Yang
- Graduate School of Life and Environmental Science, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8571, Japan
| | - Guoping Chen
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan.
- Department of Materials Science and Engineering, Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8577, Japan.
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34
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Rezaei G, Daghighi SM, Haririan I, Yousefi I, Raoufi M, Rezaee F, Dinarvand R. Protein corona variation in nanoparticles revisited: A dynamic grouping strategy. Colloids Surf B Biointerfaces 2019; 179:505-516. [PMID: 31009853 DOI: 10.1016/j.colsurfb.2019.04.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2018] [Revised: 03/31/2019] [Accepted: 04/02/2019] [Indexed: 12/27/2022]
Abstract
Bio-nano interface investigation models are mainly based on the type of proteins present on corona, bio-nano interaction responses and the evaluation of final outcomes. Due to the extensive diversity in correlative models for investigation of nanoparticles biological responses, a comprehensive model considering different aspects of bio-nano interface from nanoparticles properties to protein corona fingerprints appeared to be essential and cannot be ignored. In order to minimize divergence in studies in the era of bio-nano interface and protein corona with following therapeutic implications, a useful investigation model on the basis of RADAR concept is suggested. The contents of RADAR concept consist of five modules: 1- Reshape of our strategy for synthesis of nanoparticles (NPs), 2- Application of NPs selected based on human fluid, 3- Delivery strategy of NPs selected based on target tissue, 4- Analysis of proteins present on corona using correct procedures and 5- Risk assessment and risk reduction upon the collection and analysis of results to increase drug delivery efficiency and drug efficacy. RADAR grouping strategy for revisiting protein corona phenomenon as a key of success will be discussed with respect to the current state of knowledge.
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Affiliation(s)
- Ghassem Rezaei
- Department of Pharmaceutical Biomaterials, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran; Nanotechnology Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran 1417614411, Iran
| | - Seyed Mojtaba Daghighi
- The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, Iran
| | - Ismael Haririan
- Department of Pharmaceutical Biomaterials, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran; Medical Biomaterials Research Center (MBRC), Tehran University of Medical Sciences, Tehran, Iran
| | - Iman Yousefi
- Department of Biosystems Engineering, University of Manitoba, Winnipeg, Canada
| | - Mohammad Raoufi
- Nanotechnology Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran 1417614411, Iran
| | - Farhad Rezaee
- Department of Gastroenterology-Hepatology, Erasmus Medical Center, Rotterdam, the Netherlands; Department of Cell Biology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.
| | - Rassoul Dinarvand
- Nanotechnology Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran 1417614411, Iran; Department of Pharmaceutical Nanotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran.
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35
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Guglielmi V, Carton F, Vattemi G, Arpicco S, Stella B, Berlier G, Marengo A, Boschi F, Malatesta M. Uptake and intracellular distribution of different types of nanoparticles in primary human myoblasts and myotubes. Int J Pharm 2019; 560:347-356. [PMID: 30797075 DOI: 10.1016/j.ijpharm.2019.02.017] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Revised: 01/22/2019] [Accepted: 02/08/2019] [Indexed: 12/11/2022]
Abstract
The use of nanoparticles as drug carriers in the field of skeletal muscle diseases has been poorly addressed and the interaction of nanoparticles with skeletal muscle cells has been investigated almost exclusively on C2C12 murine myoblasts. In this study we investigated the effects poly(lactide-co-glycolide) nanoparticles, mesoporous silica nanoparticles and liposomes, on the viability of primary human myoblasts and analyzed their cellular uptake and intracellular distribution in both primary human myoblasts and myotubes. Our data demonstrate that poly(lactide-co-glycolide) nanoparticles do not negatively affect myoblasts viability, contrarily to mesoporous silica nanoparticles and liposomes that induce a decrease in cell viability at the highest doses and longest incubation time. Poly(lactide-co-glycolide) nanoparticles and mesoporous silica nanoparticles are internalized by endocytosis, poly(lactide-co-glycolide) nanoparticles undergo endosomal escape whereas mesoporous silica nanoparticles always occur within vacuoles. Liposomes were rarely observed within the cells. The uptake of all tested nanoparticles was less prominent in primary human myotubes as compared to myoblasts. Our findings represent the first step toward the characterization of the interaction between nanoparticles and primary human muscle cells and suggest that poly(lactide-co-glycolide) nanoparticles might find an application for drug delivery to skeletal muscle.
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Affiliation(s)
- V Guglielmi
- Department of Neurosciences, Biomedicine and Movement Sciences, Section of Anatomy and Histology, University of Verona, Strada Le Grazie, 8 - 37134 Verona, Italy
| | - F Carton
- Department of Neurosciences, Biomedicine and Movement Sciences, Section of Anatomy and Histology, University of Verona, Strada Le Grazie, 8 - 37134 Verona, Italy
| | - G Vattemi
- Department of Neurosciences, Biomedicine and Movement Sciences, Section of Clinical Neurology, University of Verona, P.le L.A. Scuro, 10 - 37134 Verona, Italy
| | - S Arpicco
- Department of Drug Science and Technology, University of Torino, Via P. Giuria, 9 - 10125 Torino, Italy
| | - B Stella
- Department of Drug Science and Technology, University of Torino, Via P. Giuria, 9 - 10125 Torino, Italy
| | - G Berlier
- Department of Chemistry and NIS Centre, University of Torino, Via P. Giuria, 7 - 10125 Torino, Italy
| | - A Marengo
- Department of Drug Science and Technology, University of Torino, Via P. Giuria, 9 - 10125 Torino, Italy
| | - F Boschi
- Department of Computer Science, University of Verona, Strada Le Grazie, 15 - 37134 Verona, Italy
| | - M Malatesta
- Department of Neurosciences, Biomedicine and Movement Sciences, Section of Anatomy and Histology, University of Verona, Strada Le Grazie, 8 - 37134 Verona, Italy.
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36
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Khetan J, Shahinuzzaman M, Barua S, Barua D. Quantitative Analysis of the Correlation between Cell Size and Cellular Uptake of Particles. Biophys J 2019; 116:347-359. [PMID: 30580920 PMCID: PMC6349962 DOI: 10.1016/j.bpj.2018.11.3134] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Revised: 11/25/2018] [Accepted: 11/28/2018] [Indexed: 01/27/2023] Open
Abstract
The size of a cell is central to many functions, including cellular communication and exchange of materials with the environment. This modeling and experimental study focused on understanding how the size of a cell determines its ability to uptake nanometer-scale extracellular materials from the environment. Several mechanisms in the cell plasma membrane mediate cellular uptake of nutrients, biomolecules, and particles. These mechanisms involve recognition and internalization of the extracellular molecules via endocytic components, such as clathrin-coated pits, vacuoles, and micropinocytic vesicles. Because the demand for an external resource could be different for cells of different sizes, the collective actions of these various endocytic routes should also vary based on the cell size. Here, using a reaction-diffusion model, we analyze single-cell data to interrogate the one/one mapping between the size of the MDA-MB 231 breast cancer cells and their ability to uptake nanoparticles. Our analysis indicates that under both reaction- and diffusion-controlled regimes, cellular uptake follows a linear relationship with the cell radius. Furthermore, this linear dependency is insensitive to particle size variation within 20-200 nm range. This result is counterintuitive because the general perception is that cellular uptake is proportional to the cell volume (mass) or surface area and hence follow a cubic or square relationship with the cell radius. A further analysis using our model reveals a potential mechanism underlying this linear relationship.
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Affiliation(s)
- Jawahar Khetan
- Department of Chemical and Biochemical Engineering, Missouri University of Science and Technology, Rolla, Missouri
| | - Md Shahinuzzaman
- Department of Chemical and Biochemical Engineering, Missouri University of Science and Technology, Rolla, Missouri
| | - Sutapa Barua
- Department of Chemical and Biochemical Engineering, Missouri University of Science and Technology, Rolla, Missouri
| | - Dipak Barua
- Department of Chemical and Biochemical Engineering, Missouri University of Science and Technology, Rolla, Missouri.
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37
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Yang Y, Wang X, Hu X, Kawazoe N, Yang Y, Chen G. Influence of Cell Morphology on Mesenchymal Stem Cell Transfection. ACS APPLIED MATERIALS & INTERFACES 2019; 11:1932-1941. [PMID: 30571082 DOI: 10.1021/acsami.8b20490] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Gene transfection has broad applications in bioengineering and biomedical fields. Although many gene carrier materials and transfection methods have been developed, it remains unclear how cell morphology including cell spreading and elongation affects gene transfection. In this study, human bone marrow-derived mesenchymal stem cells (hMSCs) were cultured on micropatterns and transfected with cationic pAcGFP1-N1 plasmid complexes. The relationship between the cell morphology of hMSCs and gene transfection was investigated using micropatterning techniques. Spreading and elongation of hMSCs were precisely controlled by micropatterned surfaces. The results showed that well-spread and elongated hMSCs had high transfection efficiency. Analysis of the uptake of exogenous genes and DNA synthesis activity indicated that the well-spread and elongated cell morphology promoted gene transfection through enhanced uptake of the cationic complexes and accelerated DNA synthesis. The results should provide useful information for understanding of cell morphology on gene transfection and development of efficient gene transfection methods.
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Affiliation(s)
- Yingjun Yang
- Research Center for Functional Materials , National Institute for Materials Science , 1-1 Namiki , Tsukuba , Ibaraki 305-0044 , Japan
- Department of Materials Science and Engineering, Graduate School of Pure and Applied Sciences , University of Tsukuba , 1-1-1 Tennodai , Tsukuba , Ibaraki 305-8577 , Japan
| | - Xinlong Wang
- Research Center for Functional Materials , National Institute for Materials Science , 1-1 Namiki , Tsukuba , Ibaraki 305-0044 , Japan
| | - Xiaohong Hu
- Graduate School of Life and Environmental Science , University of Tsukuba , 1-1-1 Tennodai , Tsukuba , Ibaraki 305-8571 , Japan
| | - Naoki Kawazoe
- Research Center for Functional Materials , National Institute for Materials Science , 1-1 Namiki , Tsukuba , Ibaraki 305-0044 , Japan
| | - Yingnan Yang
- Graduate School of Life and Environmental Science , University of Tsukuba , 1-1-1 Tennodai , Tsukuba , Ibaraki 305-8571 , Japan
| | - Guoping Chen
- Research Center for Functional Materials , National Institute for Materials Science , 1-1 Namiki , Tsukuba , Ibaraki 305-0044 , Japan
- Department of Materials Science and Engineering, Graduate School of Pure and Applied Sciences , University of Tsukuba , 1-1-1 Tennodai , Tsukuba , Ibaraki 305-8577 , Japan
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38
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Lu M, Chen F, Cao C, Garvey CJ, Fletcher NL, Houston ZH, Lu H, Lord MS, Thurecht KJ, Stenzel MH. Importance of Polymer Length in Fructose-Based Polymeric Micelles for an Enhanced Biological Activity. Macromolecules 2019. [DOI: 10.1021/acs.macromol.8b02381] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Mingxia Lu
- Centre for Advanced Macromolecular Design (CAMD), School of Chemistry, University of New South Wales, Sydney, NSW 2052, Australia
| | - Fan Chen
- Centre for Advanced Macromolecular Design (CAMD), School of Chemistry, University of New South Wales, Sydney, NSW 2052, Australia
| | - Cheng Cao
- Centre for Advanced Macromolecular Design (CAMD), School of Chemistry, University of New South Wales, Sydney, NSW 2052, Australia
- Australia Nuclear
Science and Technology Organisation, Lucas Heights, NSW 2234, Australia
| | - Christopher J. Garvey
- Australia Nuclear
Science and Technology Organisation, Lucas Heights, NSW 2234, Australia
| | - Nicholas L. Fletcher
- Centre for Advanced Imaging (CAI) and Australian Institute for Bioengineering and Nanotechnology, ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of Queensland, St. Lucia, QLD 4072, Australia
| | - Zachary H. Houston
- Centre for Advanced Imaging (CAI) and Australian Institute for Bioengineering and Nanotechnology, ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of Queensland, St. Lucia, QLD 4072, Australia
| | - Hongxu Lu
- Centre for Advanced Macromolecular Design (CAMD), School of Chemistry, University of New South Wales, Sydney, NSW 2052, Australia
| | - Megan S. Lord
- Graduate School of Biomedical Engineering, University of New South Wales, Sydney, NSW 2052, Australia
| | - Kristofer J. Thurecht
- Centre for Advanced Imaging (CAI) and Australian Institute for Bioengineering and Nanotechnology, ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of Queensland, St. Lucia, QLD 4072, Australia
| | - Martina H. Stenzel
- Centre for Advanced Macromolecular Design (CAMD), School of Chemistry, University of New South Wales, Sydney, NSW 2052, Australia
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39
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Matczuk M, Ruzik L, Aleksenko SS, Keppler BK, Jarosz M, Timerbaev AR. Analytical methodology for studying cellular uptake, processing and localization of gold nanoparticles. Anal Chim Acta 2018; 1052:1-9. [PMID: 30685026 DOI: 10.1016/j.aca.2018.10.027] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Revised: 10/10/2018] [Accepted: 10/11/2018] [Indexed: 12/30/2022]
Abstract
Interactions of gold nanoparticles (AuNPs) with live cells are known to exert a great impact on their functions, including cell signalling, genomic, proteomic, and metabolomic processes. Modern analytical techniques applied to studying nanoparticle-cell interactions are to improve our understanding of the mode of action of AuNPs, which is essential for their approval in disease therapeutics. Such methods may vary depending on what step of particle internalization is in question, i.e., cellular uptake, intracellular transport (accompanying by changes in the chemical state), translocation to different cell compartments, interaction with relevant subcellular structures and localization. This review focuses on the implementation and critical assessment of advanced analytical methodologies to investigate the cellular processing of AuNPs. Also addressed is a sought-after issue of accounting in in-vitro studies for a chemical form in which the AuNPs enter the cell in vivo.
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Affiliation(s)
- Magdalena Matczuk
- Chair of Analytical Chemistry, Faculty of Chemistry, Warsaw University of Technology, Noakowskiego St. 3, 00-664, Warsaw, Poland
| | - Lena Ruzik
- Chair of Analytical Chemistry, Faculty of Chemistry, Warsaw University of Technology, Noakowskiego St. 3, 00-664, Warsaw, Poland
| | - Svetlana S Aleksenko
- Saratov State Agrarian University, Teatralnaya Sq. 1, 410012, Saratov, Russian Federation
| | - Bernhard K Keppler
- Institute of Inorganic Chemistry, University of Vienna, Waehringer Str. 42, A-1090, Vienna, Austria
| | - Maciej Jarosz
- Chair of Analytical Chemistry, Faculty of Chemistry, Warsaw University of Technology, Noakowskiego St. 3, 00-664, Warsaw, Poland
| | - Andrei R Timerbaev
- Chair of Analytical Chemistry, Faculty of Chemistry, Warsaw University of Technology, Noakowskiego St. 3, 00-664, Warsaw, Poland; Vernadsky Institute of Geochemistry and Analytical Chemistry, Kosygin St. 19, 119991, Moscow, Russian Federation.
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40
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Willmann W, Dringen R. How to Study the Uptake and Toxicity of Nanoparticles in Cultured Brain Cells: The Dos and Don't Forgets. Neurochem Res 2018; 44:1330-1345. [PMID: 30088236 DOI: 10.1007/s11064-018-2598-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Revised: 07/09/2018] [Accepted: 07/18/2018] [Indexed: 12/16/2022]
Abstract
Due to their exciting properties, engineered nanoparticles have obtained substantial attention over the last two decades. As many types of nanoparticles are already used for technical and biomedical applications, the chances that cells in the brain will encounter nanoparticles have strongly increased. To test for potential consequences of an exposure of brain cells to engineered nanoparticles, cell culture models for different types of neural cells are frequently used. In this review article we will discuss experimental strategies and important controls that should be used to investigate the physicochemical properties of nanoparticles for the cell incubation conditions applied as well as for studies on the biocompatibility and the cellular uptake of nanoparticles in neural cells. The main focus of this article will be the interaction of cultured neural cells with iron oxide nanoparticles, but similar considerations are important for studying the consequences of an exposure of other types of cultured cells with other types of nanoparticles. Our article aims to improve the understanding of the special technical challenges of working with nanoparticles on cultured neural cells, to identify potential artifacts and to prevent misinterpretation of data on the potential adverse or beneficial consequences of a treatment of cultured cells with nanoparticles.
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Affiliation(s)
- Wiebke Willmann
- Center for Biomolecular Interactions Bremen, Faculty 2 (Biology/Chemistry), University of Bremen, P.O. Box 330440, 28334, Bremen, Germany.,Center for Environmental Research and Sustainable Technology, Leobener Strasse, 28359, Bremen, Germany
| | - Ralf Dringen
- Center for Biomolecular Interactions Bremen, Faculty 2 (Biology/Chemistry), University of Bremen, P.O. Box 330440, 28334, Bremen, Germany. .,Center for Environmental Research and Sustainable Technology, Leobener Strasse, 28359, Bremen, Germany.
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41
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Yang Y, Wang X, Huang TC, Hu X, Kawazoe N, Tsai WB, Yang Y, Chen G. Regulation of mesenchymal stem cell functions by micro-nano hybrid patterned surfaces. J Mater Chem B 2018; 6:5424-5434. [PMID: 32254601 DOI: 10.1039/c8tb01621f] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Micro- and nano-structured substrates have been widely used in the biomedical engineering field. Their precise control of cell morphology makes them promising for investigating various cell behaviors. However, regulation of cell functions using micro-nano hybrid patterns is rarely achieved. Since the cell microenvironment in vivo has complex micro- and nano-structures, it is desirable to use micro-nano hybrid patterns to mimic the microenvironment to control cell morphology and disclose its influence on stem cell differentiation. In this study, poly(vinyl alcohol) (PVA) micro-stripes with different spacings (50 μm, 100 μm and 200 μm) were constructed on polystyrene (PS) nano-grooves to prepare micro-nano hybrid patterns where the direction of the PVA micro-stripes and PS nano-grooves was parallel or orthogonal. Human bone marrow-derived mesenchymal stem cells (hMSCs) cultured on the micro-nano hybrid patterns showed a different cell alignment and elongation dependent on the PVA micro-stripe spacing and orientation of the PS nano-grooves. Comparison of the influence of cell alignment and aspect ratio on differentiation of hMSCs indicated that myogenic differentiation was predominantly regulated by cell alignment and osteogenic differentiation by cell elongation, while adipogenic differentiation was regulated neither by cell alignment nor by cell elongation.
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Affiliation(s)
- Yingjun Yang
- Tissue Regeneration Materials Group, Research Center of Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan.
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Toxicological investigations of "naked" and polymer-entrapped AOT-based gold nanotriangles. Colloids Surf B Biointerfaces 2018; 167:560-567. [PMID: 29734066 DOI: 10.1016/j.colsurfb.2018.04.059] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Revised: 04/11/2018] [Accepted: 04/28/2018] [Indexed: 02/02/2023]
Abstract
Negatively charged ultrathin gold nanotriangles (AuNTs) were synthesized in a vesicular dioctyl sodium sulfosuccinate (AOT)/phospholipid-based template phase. These "naked" AuNTs with localized surface plasmon resonances in the NIR region at about 1300 nm and special photothermal properties are of particular interest for imaging and hyperthermia of cancerous tissues. For these kinds of applications the toxicity and the cellular uptake of the AuNTs is of outstanding importance. Therefore, this study focuses on the toxicity of "naked" AOT-stabilized AuNTs compared to polymer-coated AuNTs. Polymeric coating consisted of non-modified hyperbranched poly(ethyleneimine) (PEI), maltose-modified poly(ethyleneimine) (PEI-Mal) and heparin. The toxicological experiments were carried out with two different cell lines (embryonic kidney carcinoma cell line HEK293T and NK-cell leukemia cell line YTS). This study revealed that the heparin-coating of AuNTs improved biocompatibility by a factor of 50 when compared to naked AuNTs. Of note, the highest nontoxic concentration of the AuNTs coated with PEI and PEI-Mal is drastically decreased. Overall, this is mainly triggered by the different surface charges of polymeric coatings. Therefore, AuNTs coated with heparin were selected to carry out uptake studies. Their promising high biocompatibility and cellular uptake may open future studies in the field of biomedical applications.
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43
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Mosquera J, Henriksen-Lacey M, García I, Martínez-Calvo M, Rodríguez J, Mascareñas JL, Liz-Marzán LM. Cellular Uptake of Gold Nanoparticles Triggered by Host–Guest Interactions. J Am Chem Soc 2018; 140:4469-4472. [DOI: 10.1021/jacs.7b12505] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Jesús Mosquera
- CIC biomaGUNE and Ciber-BBN, Paseo de Miramón 182, 20014 Donostia-San Sebastián, Spain
| | - Malou Henriksen-Lacey
- CIC biomaGUNE and Ciber-BBN, Paseo de Miramón 182, 20014 Donostia-San Sebastián, Spain
| | - Isabel García
- CIC biomaGUNE and Ciber-BBN, Paseo de Miramón 182, 20014 Donostia-San Sebastián, Spain
| | - Miguel Martínez-Calvo
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS), and Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Jéssica Rodríguez
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS), and Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - José L. Mascareñas
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS), and Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Luis M. Liz-Marzán
- CIC biomaGUNE and Ciber-BBN, Paseo de Miramón 182, 20014 Donostia-San Sebastián, Spain
- Ikerbasque, Basque Foundation for Science, 48013 Bilbao, Spain
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44
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Song WC, Kim KR, Park M, Lee KE, Ahn DR. Backbone-modified oligonucleotides for tuning the cellular uptake behaviour of spherical nucleic acids. Biomater Sci 2018; 5:412-416. [PMID: 28133665 DOI: 10.1039/c6bm00792a] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Spherical nucleic acids (SNAs) are spherically arranged oligonucleotides on core inorganic nanoparticles and have great potential for intracellular delivery of bioactive molecules, since they have been found to be internalized into mammalian cells. Understanding the factors that influence the cellular uptake of SNAs would be beneficial to design SNAs with novel uptake properties. We here report the effect of the sugar backbone type of the oligonucleotides on the cellular internalization of SNAs. After the preparation of SNAs with the oligonucleotides of five different sugar backbones, we analyze the cellular uptake efficiency quantitatively by flow cytometry and inductively coupled plasma mass spectrometry (ICP-MS). The data reveal that the uptake efficiencies and the uptake mechanisms significantly rely on the backbone type. These results suggest that the backbone modification can provide a unique handle to tune the cellular uptake behavior of SNAs.
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Affiliation(s)
- Woo Chul Song
- The Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Hwarangno 14-gil 5, Seongbuk-gu, Seoul 136-791, Republic of Korea.
| | - Kyoung-Ran Kim
- The Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Hwarangno 14-gil 5, Seongbuk-gu, Seoul 136-791, Republic of Korea. and Department of Chemistry, College of Science, Yonsei University, Seoul, Republic of Korea
| | - Miri Park
- The Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Hwarangno 14-gil 5, Seongbuk-gu, Seoul 136-791, Republic of Korea.
| | - Kyung Eun Lee
- Advanced Analysis Center, Korea Institute of Science and Technology, Hwarangno 14-gil 5, Seongbuk-gu, Seoul, 02792, Republic of Korea
| | - Dae-Ro Ahn
- The Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Hwarangno 14-gil 5, Seongbuk-gu, Seoul 136-791, Republic of Korea. and Department of Biological Chemistry, KIST Campus, University of Science and Technology (UST), Republic of Korea
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45
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Dulinska-Molak I, Chlanda A, Li J, Wang X, Bystrzejewski M, Kawazoe N, Chen G, Swieszkowski W. The influence of carbon-encapsulated iron nanoparticles on elastic modulus of living human mesenchymal stem cells examined by atomic force microscopy. Micron 2018; 108:41-48. [PMID: 29574392 DOI: 10.1016/j.micron.2018.02.006] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2018] [Revised: 02/15/2018] [Accepted: 02/18/2018] [Indexed: 12/20/2022]
Abstract
Nanomaterials and nanoparticles are regarded as promising candidates for various biomedical applications due to their unique physicochemical properties. In this study, three types of carbon-encapsulated iron nanoparticles (CEINs) were synthesized and their impact on cellular changes was investigated by atomic force microscopy (AFM). The AFM experiment was additionally compared with conventional methods, such as colorimetric assay and other microscopic techniques. A significant difference of reduced Young's modulus of the cells was revealed, even at low concentration of nanoparticles in the culture medium. The AFM measurement proved to be a useful tool not only for visualization, but also for identification of local cellular changes at the nanoscale after exposure to carbon-encapsulated iron nanoparticles.
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Affiliation(s)
- Ida Dulinska-Molak
- Warsaw University of Technology, Faculty of Materials Science and Engineering, Woloska 141, 02-507, Warsaw, Poland; Research Center for Functional Materials National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan.
| | - Adrian Chlanda
- Warsaw University of Technology, Faculty of Materials Science and Engineering, Woloska 141, 02-507, Warsaw, Poland
| | - Jasmine Li
- Research Center for Functional Materials National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Xinlong Wang
- Research Center for Functional Materials National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Michal Bystrzejewski
- Warsaw University, Faculty of Chemistry, Department of Physical Chemistry, 02-093, Warsaw, Poland
| | - Naoki Kawazoe
- Research Center for Functional Materials National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Guoping Chen
- Research Center for Functional Materials National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Wojciech Swieszkowski
- Warsaw University of Technology, Faculty of Materials Science and Engineering, Woloska 141, 02-507, Warsaw, Poland
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Wang X, Yang Y, Hu X, Kawazoe N, Yang Y, Chen G. Morphological and Mechanical Properties of Osteosarcoma Microenvironment Cells Explored by Atomic Force Microscopy. ANAL SCI 2018; 32:1177-1182. [PMID: 27829622 DOI: 10.2116/analsci.32.1177] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Cell mechanical properties that depend on cytoskeleton architecture are critical to the mechanotransduction process, and have great potential for cancer diagnosis and therapy. In this study, the morphological and mechanical properties of typical osteosarcoma microenvironment cells, including mesenchymal stem cells (MSC), normal human osteoblast cells (NHOst) and osteosarcoma cells (MG-63), were compared using atomic force microscopy (AFM). The MG-63 cells were smaller and thicker than the MSC and NHOst cells. The membrane roughness of MG-63 cells was higher than that of MSC and NHOst cells. The MG-63 cells had lower stiffness than their normal counterparts due to their reduced organization of the cytoskeleton structure. The cell stiffness influenced the mechanotransduction. The MG-63 cells had a lower percentage of nuclear YAP/TAZ compared with the MSC and NHOst cells. The F-actin assembly was disrupted by the cytochalasin D (cyto D) treatment used to investigate its influence on mechanotransduction. Disruption of the cytoskeleton leaded to a decrease of the cell stiffness, and reduced the nuclear YAP/TAZ percentage, indicating its inhibition in the cell mechanotransduction process. This study would shed light on the development of a novel cancer diagnosis strategy and would contribute to reveal the relationship between the cytoskeleton structure and the cell mechanical properties.
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Affiliation(s)
- Xinlong Wang
- International Center for Materials Nanoarchitectonics, National Institute for Materials Science
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Guo L, Fan Y, Kawazoe N, Fan H, Zhang X, Chen G. Fabrication of gelatin-micropatterned surface and its effect on osteogenic differentiation of hMSCs. J Mater Chem B 2018; 6:1018-1025. [DOI: 10.1039/c7tb03165c] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Micropatterned surface with different surface chemistries was fabricated for the direct comparison of their effect on the behaviors of hMSCs and to avoid any batch to batch variations during cell culture.
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Affiliation(s)
- Likun Guo
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu
- China
- Research Center for Functional Materials
| | - Yujiang Fan
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu
- China
| | - Naoki Kawazoe
- Research Center for Functional Materials
- National Institute for Materials Science
- Tsukuba
- Japan
| | - Hongsong Fan
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu
- China
| | - Xingdong Zhang
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu
- China
| | - Guoping Chen
- Research Center for Functional Materials
- National Institute for Materials Science
- Tsukuba
- Japan
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48
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Chen W, Wang W, Chen L, Chen J, Lu X, Li Z, Wu B, Yin L, Guan YQ. Long-term G 1 cell cycle arrest in cervical cancer cells induced by co-immobilized TNF-α plus IFN-γ polymeric drugs. J Mater Chem B 2017; 6:327-336. [PMID: 32254174 DOI: 10.1039/c7tb02608k] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A realistic control of cell cycle arrest is an attractive goal for the development of new effective anti-cancer drugs. Any clinical application of an effective anti-cancer drug necessarily relies on the understanding of cellular interaction mechanisms. In the present study, we prepared a co-immobilized TNF-α plus IFN-γ biomaterial, which showed a significant inhibition effect on cervical cancer cell growth, as demonstrated by a series of structural and cellular characterizations. We found that co-immobilized TNF-α plus IFN-α induced a long-term G1 phase cell cycle arrest in HeLa, SiHa, and CaSki cells, respectively. More surprisingly, the expression level of the p27 protein decreased, even when p27 mRNA was highly expressed. In addition, gene-chip results and microarray analysis showed that p57 may be downstream from p27, which acts as a direct regulator of the long-term G1 cell cycle arrest in these cells, leaving no escape for cervical cancer cells. Finally, we also investigated the anti-tumor mechanism of co-immobilized TNF-α plus IFN-γin vivo, using a nude mice animal model. To sum up, our findings suggested that the co-immobilized TNF-α plus IFN-γ can induce a long-term cell cycle arrest in cancer, thus serving as a very efficient tool for treating cervical cancer.
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Affiliation(s)
- Wuya Chen
- School of Life Science, South China Normal University, Guangzhou 510631, P. R. China.
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49
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Capek I. Polymer decorated gold nanoparticles in nanomedicine conjugates. Adv Colloid Interface Sci 2017; 249:386-399. [PMID: 28259207 DOI: 10.1016/j.cis.2017.01.007] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Revised: 01/10/2017] [Accepted: 01/11/2017] [Indexed: 02/06/2023]
Abstract
Noble metal, especially gold nanoparticles and their conjugates with biopolymers have immense potential for disease diagnosis and therapy on account of their surface plasmon resonance (SPR) enhanced light scattering and absorption. Conjugation of noble metal nanoparticles to ligands specifically targeted to biomarkers on diseased cells allows molecular-specific imaging and detection of disease. The development of smart gold nanoparticles (AuNPs) that can deliver therapeutics at a sustained rate directly to cancer cells may provide better efficacy and lower toxicity for treating cancer tumors. We highlight some of the promising classes of targeting systems that are under development for the delivery of gold nanoparticles. Nanoparticles designed for biomedical applications are often coated with polymers containing reactive functional groups to conjugate targeting ligands, cell receptors or drugs. Using targeted nanoparticles to deliver chemotherapeutic agents in cancer therapy offers many advantages to improve drug/gene delivery and to overcome many problems associated with conventional radiotherapy and chemotherapy. The targeted nanoparticles were found to be effective in killing cancer cells which were studied using various anticancer assays. Cell morphological analysis shows the changes occurred in cancer cells during the treatment with AuNPs. The results determine the influence of particle size and concentration of AuNPs on their absorption, accumulation, and cytotoxicity in model normal and cancer cells. As the mean particle diameter of the AuNPs decreased, their rate of absorption by the intestinal epithelium cells increased. These results provide important insights into the relationship between the dimensions of AuNPs and their gastrointestinal uptake and potential cytotoxicity. Furthermore gold nanoparticles efficiently convert the absorbed light into localized heat, which can be exploited for the selective laser photothermal therapy of cancer. We also review the emerging technologies for the fabrication of targeted gold colloids as imagining agents.
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Affiliation(s)
- Ignác Capek
- Slovak Academy of Sciences, Polymer Institute, Institute of Measurement Sciences, Dúbravská cesta, Bratislava, Slovakia.
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50
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Kuku G, Altunbek M, Culha M. Surface-Enhanced Raman Scattering for Label-Free Living Single Cell Analysis. Anal Chem 2017; 89:11160-11166. [DOI: 10.1021/acs.analchem.7b03211] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Gamze Kuku
- Department of Genetics and
Bioengineering, Yeditepe University, 34755, Istanbul, Turkey
| | - Mine Altunbek
- Department of Genetics and
Bioengineering, Yeditepe University, 34755, Istanbul, Turkey
| | - Mustafa Culha
- Department of Genetics and
Bioengineering, Yeditepe University, 34755, Istanbul, Turkey
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