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Heyns IM, Arora M, Ganugula R, Allamreddy SR, Tiwari S, Shah DK, Basu R, Kumar MNVR. Polyester Nanoparticles with Controlled Topography for Peroral Drug Delivery Using Insulin as a Model Protein. ACS Nano 2024. [PMID: 38622996 DOI: 10.1021/acsnano.4c01027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/17/2024]
Abstract
Receptor-mediated polyester drug delivery systems have tremendous potential for improving the clinical performance of existing pharmaceutical drugs. Despite significant progress made in this area, it remains unclear how and to what extent the polyester nanoparticle surface topography would affect the in vitro, ex vivo and in vivo performance of a drug, and if there exists a correlation between in vitro and in vivo, as well as healthy versus pathophysiological states. Herein, we report a systematic investigation of the interactions between ligands and receptors as a function of the linker length, two-carbon (2C) versus four-carbon (4C). The in vitro, ex vivo and in vivo in healthy models validate the hypothesis that 4C has better reach and binding to the receptors. The results indicate that 4C offered better performance over 2C in vivo in improving the oral bioavailability of insulin (INS) by 1.1-fold (3.5-fold compared to unfunctionalized nanoparticles) in a healthy rat model. Similar observations were made in pathophysiological models; however, the effects were less prominent compared to those in healthy models. Throughout, ligand decorated nanoparticles outperformed unfunctionalized nanoparticles. Finally, a semimechanistic pharmacokinetic and pharmacodynamic (PKPD) model was developed using the experimental data sets to quantitatively evaluate the effect of P2Ns-GA on oral bioavailability and efficacy of insulin. The study presents a sophisticated oral delivery system for INS or hydrophilic therapeutic cargo, highlighting the significant impact on bioavailability that minor adjustments to the surface chemistry can have.
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Affiliation(s)
- Ingrid Marie Heyns
- The Center for Convergent Bioscience and Medicine (CCBM), The University of Alabama, Tuscaloosa, Alabama 35401, United States
- Division of Translational Science and Medicine, College of Community Health Sciences, The University of Alabama, Tuscaloosa, Alabama 35401, United States
- Alabama Life Research Institute, The University of Alabama, Tuscaloosa, Alabama 35401, United States
| | - Meenakshi Arora
- The Center for Convergent Bioscience and Medicine (CCBM), The University of Alabama, Tuscaloosa, Alabama 35401, United States
- Division of Translational Science and Medicine, College of Community Health Sciences, The University of Alabama, Tuscaloosa, Alabama 35401, United States
- Alabama Life Research Institute, The University of Alabama, Tuscaloosa, Alabama 35401, United States
- Department of Biological Sciences, The University of Alabama, SEC 1325, Tuscaloosa, Alabama 35487, United States
| | - Raghu Ganugula
- The Center for Convergent Bioscience and Medicine (CCBM), The University of Alabama, Tuscaloosa, Alabama 35401, United States
- Division of Translational Science and Medicine, College of Community Health Sciences, The University of Alabama, Tuscaloosa, Alabama 35401, United States
- Alabama Life Research Institute, The University of Alabama, Tuscaloosa, Alabama 35401, United States
- Department of Biological Sciences, The University of Alabama, SEC 1325, Tuscaloosa, Alabama 35487, United States
| | - Swetha Reddy Allamreddy
- The Center for Convergent Bioscience and Medicine (CCBM), The University of Alabama, Tuscaloosa, Alabama 35401, United States
- Division of Translational Science and Medicine, College of Community Health Sciences, The University of Alabama, Tuscaloosa, Alabama 35401, United States
- Alabama Life Research Institute, The University of Alabama, Tuscaloosa, Alabama 35401, United States
| | - Shrusti Tiwari
- Department of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, The State University of New York at Buffalo, 455 Pharmacy Building, Buffalo, New York 14214, United States
| | - Dhaval K Shah
- Department of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, The State University of New York at Buffalo, 455 Pharmacy Building, Buffalo, New York 14214, United States
| | - Rita Basu
- Division of Endocrinology, Diabetes, and Metabolism, School of Medicine, Marnix E. Heersink School of Medicine, The University of Alabama, Birmingham, Alabama 35294, United States
| | - M N V Ravi Kumar
- The Center for Convergent Bioscience and Medicine (CCBM), The University of Alabama, Tuscaloosa, Alabama 35401, United States
- Division of Translational Science and Medicine, College of Community Health Sciences, The University of Alabama, Tuscaloosa, Alabama 35401, United States
- Alabama Life Research Institute, The University of Alabama, Tuscaloosa, Alabama 35401, United States
- Department of Biological Sciences, The University of Alabama, SEC 1325, Tuscaloosa, Alabama 35487, United States
- Chemical and Biological Engineering, University of Alabama, SEC 3448, Tuscaloosa, Alabama 35487, United States
- Center for Free Radical Biology, University of Alabama at Birmingham, Birmingham, Alabama 35294, United States
- Nephrology Research and Training Center, Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama 35294, United States
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Li G, Zhao Y, Wang H, Zhang Y, Cai D, Zhang Y, Song W. The M2 Macrophages Derived Migrasomes From the Surface of Titania Nanotubes Array as a New Concept for Enhancing Osteogenesis. Adv Healthc Mater 2024:e2400257. [PMID: 38520188 DOI: 10.1002/adhm.202400257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 03/15/2024] [Indexed: 03/25/2024]
Abstract
As newly discovered substrate anchored extracellular vesicles, migrasomes (Migs) may bring a new opportunity for manipulating target cells bioactivities. In this study, the M2 macrophages derived Migs are obtained by titania nanotubes surface (NTs). Due to the benefits of nanostructuring, the NTs surface is not only able to induce RAW264.7 for M2 polarization but also to generate more Migs formation, which can be internalized by following seeded mesenchymal stem cells (MSCs). Then, the NTs surface induced Migs are collected by density-gradient centrifugation for MSCs treatment. As indicated by immunofluorescence staining, alkaline phosphatase activity, and alizarin red staining, the osteogenic differentiation capacity of MSCs is significantly enhanced by Migs treatment, in line with the dosage. By RNA-sequence analysis, the enhancement of osteogenic differentiation is correlated with PI3K-AKT pathway activation that may originate from the M2 polarization state of donor cells. Finally, the Migs are coated onto Ti surface for therapeutic application. Both the in vitro and in vivo analysis reveal that the Migs coated Ti implant shows significant enhancement of osteogenesis. In conclusion, this study suggests that the nanosurface may be a favorable platform for Migs production, which may bring a new concept for tissue regeneration.
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Affiliation(s)
- Guangwen Li
- State Key Laboratory of Oral and Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, China
- Department of Oral Implantology, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou Key Laboratory of Oral and Maxillofacial Reconstruction and Regeneration, Luzhou, 646000, China
| | - Yuqi Zhao
- State Key Laboratory of Oral and Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, China
| | - Haochen Wang
- State Key Laboratory of Oral and Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, China
| | - Yan Zhang
- State Key Laboratory of Oral and Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, China
| | - Dongxuan Cai
- State Key Laboratory of Oral and Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, China
| | - Yumei Zhang
- State Key Laboratory of Oral and Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, China
| | - Wen Song
- State Key Laboratory of Oral and Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, China
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3
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Shim HW, Kurian AG, Lee J, Lee SC, Kim HW, Singh RK, Lee JH. Surface-Engineered Titanium with Nanoceria to Enhance Soft Tissue Integration Via Reactive Oxygen Species Modulation and Nanotopographical Sensing. ACS Appl Mater Interfaces 2024; 16:13622-13639. [PMID: 38466038 DOI: 10.1021/acsami.4c02119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/12/2024]
Abstract
The design of implantable biomaterials involves precise tuning of surface features because the early cellular fate on such engineered surfaces is highly influenced by many physicochemical factors [roughness, hydrophilicity, reactive oxygen species (ROS) responsiveness, etc.]. Herein, to enhance soft tissue integration for successful implantation, Ti substrates decorated with uniform layers of nanoceria (Ce), called Ti@Ce, were optimally developed by a simple and cost-effective in situ immersion coating technique. The characterization of Ti@Ce shows a uniform Ce distribution with enhanced roughness (∼3-fold increase) and hydrophilicity (∼4-fold increase) and adopted ROS-scavenging capacity by nanoceria coating. When human gingival fibroblasts were seeded on Ti@Ce under oxidative stress conditions, Ti@Ce supported cellular adhesion, spreading, and survivability by its cellular ROS-scavenging capacity. Mechanistically, the unique nanocoating resulted in higher expression of amphiphysin (a nanotopology sensor), paxillin (a focal adhesion protein), and cell adhesive proteins (collagen-1 and fibronectin). Ti@Ce also led to global chromatin condensation by decreasing histone 3 acetylation as an early differentiation feature. Transcriptome analysis by RNA sequencing confirmed the chromatin remodeling, antiapoptosis, antioxidant, cell adhesion, and TGF-β signaling-related gene signatures in Ti@Ce. As key fibroblast transcription (co)factors, Ti@Ce promotes serum response factor and MRTF-α nucleus localization. Considering all of this, it is proposed that the surface engineering approach using Ce could improve the biological properties of Ti implants, supporting their functioning at soft tissue interfaces and utilization as a bioactive implant for clinical conditions such as peri-implantitis.
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Affiliation(s)
- Hye-Won Shim
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 31116, Republic of Korea
- Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan 31116, Republic of Korea
| | - Amal George Kurian
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 31116, Republic of Korea
- Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan 31116, Republic of Korea
| | - Jiwon Lee
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 31116, Republic of Korea
- Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan 31116, Republic of Korea
| | - Sang-Cheol Lee
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 31116, Republic of Korea
- Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan 31116, Republic of Korea
| | - Hae-Won Kim
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 31116, Republic of Korea
- Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan 31116, Republic of Korea
- Department of Biomaterials Science, School of Dentistry, Dankook University, Cheonan 31116, Republic of Korea
- UCL Eastman-Korea Dental Medicine Innovation Centre, Dankook University, Cheonan 31116, Republic of Korea
- Cell & Matter Institute, Dankook University, Cheonan 31116, Republic of Korea
- Mechanobiology Dental Medicine Research Center, Dankook University, Cheonan 31116, Republic of Korea
| | - Rajendra K Singh
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 31116, Republic of Korea
- Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan 31116, Republic of Korea
| | - Jung-Hwan Lee
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 31116, Republic of Korea
- Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan 31116, Republic of Korea
- Department of Biomaterials Science, School of Dentistry, Dankook University, Cheonan 31116, Republic of Korea
- UCL Eastman-Korea Dental Medicine Innovation Centre, Dankook University, Cheonan 31116, Republic of Korea
- Cell & Matter Institute, Dankook University, Cheonan 31116, Republic of Korea
- Mechanobiology Dental Medicine Research Center, Dankook University, Cheonan 31116, Republic of Korea
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4
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Liu X, Ishak MI, Ma H, Su B, Nobbs AH. Bacterial Surface Appendages Modulate the Antimicrobial Activity Induced by Nanoflake Surfaces on Titanium. Small 2024:e2310149. [PMID: 38233200 DOI: 10.1002/smll.202310149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 01/06/2024] [Indexed: 01/19/2024]
Abstract
Bioinspired nanotopography is a promising approach to generate antimicrobial surfaces to combat implant-associated infection. Despite efforts to develop bactericidal 1D structures, the antibacterial capacity of 2D structures and their mechanism of action remains uncertain. Here, hydrothermal synthesis is utilized to generate two 2D nanoflake surfaces on titanium (Ti) substrates and investigate the physiological effects of nanoflakes on bacteria. The nanoflakes impair the attachment and growth of Escherichia coli and trigger the accumulation of intracellular reactive oxygen species (ROS), potentially contributing to the killing of adherent bacteria. E. coli surface appendages type-1 fimbriae and flagella are not implicated in the nanoflake-mediated modulation of bacterial attachment but do influence the bactericidal effects of nanoflakes. An E. coli ΔfimA mutant lacking type-1 fimbriae is more susceptible to the bactericidal effects of nanoflakes than the parent strain, while E. coli cells lacking flagella (ΔfliC) are more resistant. The results suggest that type-1 fimbriae confer a cushioning effect that protects bacteria upon initial contact with the nanoflake surface, while flagella-mediated motility can lead to elevated membrane abrasion. This finding offers a better understanding of the antibacterial properties of nanoflake structures that can be applied to the design of antimicrobial surfaces for future medical applications.
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Affiliation(s)
- Xiayi Liu
- Bristol Dental School Research Laboratories, University of Bristol, Dorothy Hodgkin Building, Whitson Street, Bristol, BS1, 3NY, UK
| | - Mohd I Ishak
- Bristol Dental School Research Laboratories, University of Bristol, Dorothy Hodgkin Building, Whitson Street, Bristol, BS1, 3NY, UK
| | - Huan Ma
- School of Chemistry, Centre for Organized Matter Chemistry and Centre for Protolife Research, University of Bristol, Bristol, BS8 1TS, UK
| | - Bo Su
- Bristol Dental School Research Laboratories, University of Bristol, Dorothy Hodgkin Building, Whitson Street, Bristol, BS1, 3NY, UK
| | - Angela H Nobbs
- Bristol Dental School Research Laboratories, University of Bristol, Dorothy Hodgkin Building, Whitson Street, Bristol, BS1, 3NY, UK
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Faase RA, Keeling NM, Plaut JS, Leycam C, Munares GA, Hinds MT, Baio JE, Jurney PL. Temporal Changes in the Surface Chemistry and Topography of Reactive Ion Plasma-Treated Poly(vinyl alcohol) Alter Endothelialization Potential. ACS Appl Mater Interfaces 2024; 16:389-400. [PMID: 38117934 PMCID: PMC10788828 DOI: 10.1021/acsami.3c16759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 11/30/2023] [Accepted: 12/01/2023] [Indexed: 12/22/2023]
Abstract
Synthetic small-diameter vascular grafts (<6 mm) are used in the treatment of cardiovascular diseases, including coronary artery disease, but fail much more readily than similar grafts made from autologous vascular tissue. A promising approach to improve the patency rates of synthetic vascular grafts is to promote the adhesion of endothelial cells to the luminal surface of the graft. In this study, we characterized the surface chemical and topographic changes imparted on poly(vinyl alcohol) (PVA), an emerging hydrogel vascular graft material, after exposure to various reactive ion plasma (RIP) surface treatments, how these changes dissipate after storage in a sealed environment at standard temperature and pressure, and the effect of these changes on the adhesion of endothelial colony-forming cells (ECFCs). We showed that RIP treatments including O2, N2, or Ar at two radiofrequency powers, 50 and 100 W, improved ECFC adhesion compared to untreated PVA and to different degrees for each RIP treatment, but that the topographic and chemical changes responsible for the increased cell affinity dissipate in samples treated and allowed to age for 230 days. We characterized the effect of aging on RIP-treated PVA using an assay to quantify ECFCs on RIP-treated PVA 48 h after seeding, atomic force microscopy to probe surface topography, scanning electron microscopy to visualize surface modifications, and X-ray photoelectron spectroscopy to investigate surface chemistry. Our results show that after treatment at higher RF powers, the surface exhibits increased roughness and greater levels of charged nitrogen species across all precursor gases and that these surface modifications are beneficial for the attachment of ECFCs. This study is important for our understanding of the stability of surface modifications used to promote the adhesion of vascular cells such as ECFCs.
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Affiliation(s)
- Ryan A. Faase
- School
of Chemical, Biological, and Environmental Engineering, Oregon State University, 103 Gleeson Hall, Corvallis, Oregon 97331, United States
| | - Novella M. Keeling
- Biomedical
Engineering Program, University of Colorado
Boulder, 1111 Engineering Drive 521 UCB, Boulder, Colorado 80309-0521, United States
- Department
of Biomedical Engineering, Oregon Health
and Science University, 3303 SW Bond Ave, Portland, Oregon 97239, United States
| | - Justin S. Plaut
- Cancer
Early Detection Advanced Research Center, Knight Cancer Institute, Oregon Health and Science University, 3303 SW Bond Ave, Portland, Oregon 97239, United States
| | - Christian Leycam
- Department
of Biomedical Engineering, San José
State University, One Washington Square, San Jose, California 95112-3613, United States
| | - Gabriela Acevedo Munares
- Department
of Biomedical Engineering, San José
State University, One Washington Square, San Jose, California 95112-3613, United States
| | - Monica T. Hinds
- Department
of Biomedical Engineering, Oregon Health
and Science University, 3303 SW Bond Ave, Portland, Oregon 97239, United States
| | - Joe E. Baio
- School
of Chemical, Biological, and Environmental Engineering, Oregon State University, 103 Gleeson Hall, Corvallis, Oregon 97331, United States
| | - Patrick L. Jurney
- Department
of Biomedical Engineering, San José
State University, One Washington Square, San Jose, California 95112-3613, United States
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Wang K, Frey N, Garcia A, Man K, Yang Y, Gualerzi A, Clemens ZJ, Bedoni M, LeDuc PR, Ambrosio F. Nanotopographical Cues Tune the Therapeutic Potential of Extracellular Vesicles for the Treatment of Aged Skeletal Muscle Injuries. ACS Nano 2023; 17:19640-19651. [PMID: 37797946 PMCID: PMC10603813 DOI: 10.1021/acsnano.3c02269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 09/22/2023] [Indexed: 10/07/2023]
Abstract
Skeletal muscle regeneration relies on the tightly temporally regulated lineage progression of muscle stem/progenitor cells (MPCs) from activation to proliferation and, finally, differentiation. However, with aging, MPC lineage progression is disrupted and delayed, ultimately causing impaired muscle regeneration. Extracellular vesicles (EVs) have attracted broad attention as next-generation therapeutics for promoting tissue regeneration. As a next step toward clinical translation, strategies to manipulate EV effects on downstream cellular targets are needed. Here, we developed an engineering strategy to tune the therapeutic potential of EVs using nanotopographical cues. We found that EVs released by young MPCs cultured on flat substrates (fEVs) promoted the proliferation of aged MPCs while EVs released by MPCs cultured on nanogratings (nEVs) promoted myogenic differentiation. We then employed a bioengineered 3D muscle aging model to optimize the administration protocol and test the therapeutic potential of fEVs and nEVs in a high-throughput manner. We found that the sequential administration first of fEVs during the phase of MPC proliferative expansion (i.e., 1 day after injury) followed by nEV administration at the stage of MPC differentiation (i.e., 3 days after injury) enhanced aged muscle regeneration to a significantly greater extent than fEVs and nEVs delivered either in isolation or mixed. The beneficial effects of the sequential EV treatment strategy were further validated in vivo, as evidenced by increased myofiber size and improved functional recovery. Collectively, our study demonstrates the ability of topographical cues to tune EV therapeutic potential and highlights the importance of optimizing the EV administration strategy to accelerate aged skeletal muscle regeneration.
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Affiliation(s)
- Kai Wang
- Discovery
Center for Musculoskeletal Recovery, Schoen
Adams Research Institute at Spaulding, Charlestown, Massachusetts 02129, United States
- Department
of Physical Medicine & Rehabilitation, Harvard Medical School, Boston, Massachusetts 02115, United States
- Department
of Physical Medicine & Rehabilitation, Spaulding Rehabilitation Hospital, Charlestown, Massachusetts 02129, United States
- Department
of Physical Medicine & Rehabilitation, University of Pittsburgh, Pittsburgh, Pennsylvania 15213, United States
| | - Nolan Frey
- Department
of Biological Sciences, Carnegie Mellon
University, Pittsburgh, Pennsylvania 15213, United States
| | - Andres Garcia
- Department
of Mechanical Engineering, Carnegie Mellon
University, Pittsburgh, Pennsylvania 15213, United States
| | - Kun Man
- Department
of Biomedical Engineering, University of
North Texas, Denton, Texas 76207, United States
| | - Yong Yang
- Department
of Biomedical Engineering, University of
North Texas, Denton, Texas 76207, United States
| | - Alice Gualerzi
- IRCCS
Fondazione Don Carlo Gnocchi ONLUS, Milan 20148, Italy
| | - Zachary J. Clemens
- Department
of Environmental and Occupational Health, University of Pittsburgh, Pittsburgh, Pennsylvania 15213, United States
| | - Marzia Bedoni
- IRCCS
Fondazione Don Carlo Gnocchi ONLUS, Milan 20148, Italy
| | - Philip R. LeDuc
- Department
of Biological Sciences, Carnegie Mellon
University, Pittsburgh, Pennsylvania 15213, United States
- Department
of Mechanical Engineering, Carnegie Mellon
University, Pittsburgh, Pennsylvania 15213, United States
- Department
of Computational Biology, Carnegie Mellon
University, Pittsburgh, Pennsylvania 15213, United States
- Department
of Biomedical Engineering, Carnegie Mellon
University, Pittsburgh, Pennsylvania 15213, United States
- Department
of Electrical and Computer Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Fabrisia Ambrosio
- Discovery
Center for Musculoskeletal Recovery, Schoen
Adams Research Institute at Spaulding, Charlestown, Massachusetts 02129, United States
- Department
of Physical Medicine & Rehabilitation, Harvard Medical School, Boston, Massachusetts 02115, United States
- Department
of Physical Medicine & Rehabilitation, Spaulding Rehabilitation Hospital, Charlestown, Massachusetts 02129, United States
- Department
of Physical Medicine & Rehabilitation, University of Pittsburgh, Pittsburgh, Pennsylvania 15213, United States
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Huang C, Miao X, Li J, Liang J, Xu J, Wu Z. Promoted Abutment-Soft Tissue Integration Around Self-Glazed Zirconia Surfaces with Nanotopography Fabricated by Additive 3D Gel Deposition. Int J Nanomedicine 2023; 18:3141-3155. [PMID: 37333732 PMCID: PMC10276606 DOI: 10.2147/ijn.s404047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 06/01/2023] [Indexed: 06/20/2023] Open
Abstract
Introduction Improving the biological sealing around dental abutments could promote the long-term success of implants. Although titanium abutments have a wide range of clinical applications, they incur esthetic risks due to their color, especially in the esthetic zone. Currently, zirconia has been applied as an esthetic alternative material for implant abutments; however, zirconia is purported to be an inert biomaterial. How to improve the biological activities of zirconia has thus become a popular research topic. In this study, we presented a novel self-glazed zirconia (SZ) surface with nanotopography fabricated by additive 3D gel deposition and investigated its soft tissue integration capability compared to that of clinically used titanium and polished conventional zirconia surfaces. Materials and Methods Three groups of disc samples were prepared for in vitro study and the three groups of abutment samples were prepared for in vivo study. The surface topography, roughness, wettability and chemical composition of the samples were examined. Moreover, we analyzed the effect of the three groups of samples on protein adsorption and on the biological behavior of human gingival keratinocytes (HGKs) and human gingival fibroblasts (HGFs). Furthermore, we conducted an in vivo study in which the bilateral mandibular anterior teeth of rabbits were extracted and replaced with implants and corresponding abutments. Results The surface of SZ showed a unique nanotopography with nm range roughness and a greater ability to absorb protein. The promoted expression of adhesion molecules in both HGKs and HGFs was observed on the SZ surface compared to the surfaces of Ti and PCZ, while the cell viability and proliferation of HGKs and the number of HGFs adhesion were not significant among all groups. In vivo results showed that the SZ abutment formed strong biological sealing at the abutment-soft tissue interface and exhibited markedly more hemidesmosomes when observed with a transmission electron microscope. Conclusion These results demonstrated that the novel SZ surface with nanotopography promoted soft tissue integration, suggesting its promising application as a zirconia surface for the dental abutment.
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Affiliation(s)
- Chaoyi Huang
- Department of Prosthodontics, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou, People’s Republic of China
- Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, People’s Republic of China
| | - Xinchao Miao
- Department of Prosthodontics, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou, People’s Republic of China
- Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, People’s Republic of China
| | - Jiang Li
- Department of Prosthodontics, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou, People’s Republic of China
- Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, People’s Republic of China
| | - Jieyi Liang
- Department of Prosthodontics, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou, People’s Republic of China
- Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, People’s Republic of China
| | - Junxi Xu
- Department of Prosthodontics, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou, People’s Republic of China
- Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, People’s Republic of China
| | - Zhe Wu
- Department of Prosthodontics, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou, People’s Republic of China
- Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, People’s Republic of China
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8
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Teixeira JFL, de Souza JAC, Magalhães FAC, de Oliveira GJPL, de Santis JB, de Souza Costa CA, de Souza PPC. Laser-Modified Ti Surface Improves Paracrine Osteogenesis by Modulating the Expression of DKK1 in Osteoblasts. J Funct Biomater 2023; 14:jfb14040224. [PMID: 37103314 PMCID: PMC10145280 DOI: 10.3390/jfb14040224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 04/04/2023] [Accepted: 04/12/2023] [Indexed: 04/28/2023] Open
Abstract
Titanium surface modifications are widely used to modulate cellular behavior by recognition of topographical cues. However, how those modifications affect the expression of mediators that will influence neighboring cells is still elusive. This study aimed to evaluate the effects of conditioned media from osteoblasts cultured on laser-modified titanium surfaces on the differentiation of bone marrow cells in a paracrine manner and to analyze the expression of Wnt pathway inhibitors. Mice calvarial osteoblasts were seeded on polished (P) and Yb:YAG laser-irradiated (L) Ti surfaces. Osteoblast culture media were collected and filtered on alternate days to stimulate mice BMCs. Resazurin assay was performed every other day for 20 days to check BMC viability and proliferation. After 7 and 14 days of BMCs maintained with osteoblasts P and L-conditioned media, alkaline phosphatase activity, Alizarin Red staining, and RT-qPCR were performed. ELISA of conditioned media was conducted to investigate the expression of Wnt inhibitors Dickkopf-1 (DKK1) and Sclerostin (SOST). BMCs showed increased mineralized nodule formation and alkaline phosphatase activity. The L-conditioned media enhanced the BMC mRNA expression of bone-related markers Bglap, Alpl, and Sp7. L-conditioned media decreased the expression of DKK1 compared with P-conditioned media. The contact of osteoblasts with Yb:YAG laser-modified Ti surfaces induces the regulation of the expression of mediators that affect the osteoblastic differentiation of neighboring cells. DKK1 is among these regulated mediators.
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Affiliation(s)
- Jorge Felipe Lima Teixeira
- Department of Physiology and Pathology, School of Dentistry, São Paulo State University, Araraquara 14801-385, Brazil
| | | | | | | | - José Bernardo de Santis
- Department of Basic and Oral Biology, Bone Research Lab, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-904, Brazil
| | - Carlos Alberto de Souza Costa
- Department of Physiology and Pathology, School of Dentistry, São Paulo State University, Araraquara 14801-385, Brazil
| | - Pedro Paulo Chaves de Souza
- Innovation in Biomaterials Laboratory (iBioM), School of Dentistry, Federal University of Goiás, Goiânia 74605-020, Brazil
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9
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da Silva DJ, Duran A, Cabral AD, Fonseca FLA, Wang SH, Parra DF, Bueno RF, Pereyra I, Rosa DS. Bioinspired Antimicrobial PLA with Nanocones on the Surface for Rapid Deactivation of Omicron SARS-CoV-2. ACS Biomater Sci Eng 2023; 9:1891-1899. [PMID: 36881832 PMCID: PMC10005812 DOI: 10.1021/acsbiomaterials.2c01529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 01/25/2023] [Indexed: 03/09/2023]
Abstract
Bioinspired bactericidal surfaces are artificial surfaces that mimic the nanotopography of insect wings and are capable of inhibiting microbial growth by a physicomechanical mechanism. The scientific community has considered them an alternative method to design polymers with surfaces that inhibit bacterial biofilm formation, suitable for self-disinfectant medical devices. In this contribution, poly(lactic acid) (PLA) with nanocone patterns was successfully produced by a novel two-step procedure involving copper plasma deposition followed by argon plasma etching. According to reverse transcription-quantitative polymerase chain reaction tests, the bioinspired PLA nanostructures display antiviral performance to inactivate infectious Omicron severe acute respiratory syndrome coronavirus 2 particles, reducing the amount of the viral genome to less than 4% in just 15 min due to a possible combined effect of mechanical and oxidative stress. The bioinspired antiviral PLA can be suitable for designing personal protection equipment to prevent the transmission of contagious viral diseases, such as Coronavirus Disease 2019.
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Affiliation(s)
- Daniel J. da Silva
- Center for Engineering, Modeling, and Applied Social
Sciences, Federal University of ABC, Av. dos Estados, 5001,
Bangú, Santo André, SP, Brazil
- Department of Metallurgical and Materials Engineering,
Polytechnic School, University of São Paulo, Av. Prof.
Mello Moraes, 2643, Cidade Universitária, 05508-030, São Paulo, SP,
Brazil
| | - Adriana Duran
- Center for Engineering, Modeling, and Applied Social
Sciences, Federal University of ABC, Av. dos Estados, 5001,
Bangú, Santo André, SP, Brazil
| | - Aline D. Cabral
- Center for Engineering, Modeling, and Applied Social
Sciences, Federal University of ABC, Av. dos Estados, 5001,
Bangú, Santo André, SP, Brazil
| | - Fernando L. A. Fonseca
- Department of Clinical Analysis, Faculty of
Medicine of ABC, Av. Lauro Gomes, 2000, Santo André, SP,
Brazil
| | - Shu Hui Wang
- Department of Metallurgical and Materials Engineering,
Polytechnic School, University of São Paulo, Av. Prof.
Mello Moraes, 2643, Cidade Universitária, 05508-030, São Paulo, SP,
Brazil
| | - Duclerc F. Parra
- Nuclear and Energy Research Institute,
National Nuclear Energy Commission/SP, Av. Prof. Lineu
Prestes, 2242 São Paulo, SP, Brazil
| | - Rodrigo F. Bueno
- Coordinator of the COVID-19 Monitoring Network in
Wastewater National Water and Basic Sanitation Agency, Ministry of Science, Technology and
Innovation and Ministry of Health, Brazil. Center for Engineering, Modeling, and Applied
Social Sciences, Federal University of ABC, Av. Dos Estados,
5001, Bangú, Santo André, SP, Brazil
| | - Inés Pereyra
- Department of Electronic Systems Engineering, Polytechnic
School, University of São Paulo, Av. Prof. Mello Moraes,
2643, Cidade Universitária, São Paulo, SP, Brazil
| | - Derval S. Rosa
- Center for Engineering, Modeling, and Applied Social
Sciences, Federal University of ABC, Av. dos Estados, 5001,
Bangú, Santo André, SP, Brazil
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10
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Ishak MI, Eales M, Damiati L, Liu X, Jenkins J, Dalby MJ, Nobbs AH, Ryadnov MG, Su B. Enhanced and Stem-Cell-Compatible Effects of Nature-Inspired Antimicrobial Nanotopography and Antimicrobial Peptides to Combat Implant-Associated Infection. ACS Appl Nano Mater 2023; 6:2549-2559. [PMID: 36875180 PMCID: PMC9972347 DOI: 10.1021/acsanm.2c04913] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 02/07/2023] [Indexed: 06/18/2023]
Abstract
Nature-inspired antimicrobial surfaces and antimicrobial peptides (AMPs) have emerged as promising strategies to combat implant-associated infections. In this study, a bioinspired antimicrobial peptide was functionalized onto a nanospike (NS) surface by physical adsorption with the aim that its gradual release into the local environment would enhance inhibition of bacterial growth. Peptide adsorbed on a control flat surface exhibited different release kinetics compared to the nanotopography, but both surfaces showed excellent antibacterial properties. Functionalization with peptide at micromolar concentrations inhibited Escherichia coli growth on the flat surface, Staphylococcus aureus growth on the NS surface, and Staphylococcus epidermidis growth on both the flat and NS surfaces. Based on these data, we propose an enhanced antibacterial mechanism whereby AMPs can render bacterial cell membranes more susceptible to nanospikes, and the membrane deformation induced by nanospikes can increase the surface area for AMPs membrane insertion. Combined, these effects enhance bactericidal activity. Since functionalized nanostructures are highly biocompatible with stem cells, they make promising candidates for next generation antibacterial implant surfaces.
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Affiliation(s)
- Mohd Irill Ishak
- Bristol
Dental School, University of Bristol, Bristol BS1 2LY, U.K.
| | - Marcus Eales
- Bristol
Dental School, University of Bristol, Bristol BS1 2LY, U.K.
- National
Physical Laboratory, Teddington TW11 0LW, U.K.
| | - Laila Damiati
- Department
of Biology, College of Science, University
of Jeddah, Jeddah 23218, Saudi Arabia
| | - Xiayi Liu
- Bristol
Dental School, University of Bristol, Bristol BS1 2LY, U.K.
| | - Joshua Jenkins
- Bristol
Dental School, University of Bristol, Bristol BS1 2LY, U.K.
| | - Matthew J. Dalby
- Centre
for the Cellular Microenvironment, University
of Glasgow, Glasgow G11 6EW, Scotland
| | - Angela H. Nobbs
- Bristol
Dental School, University of Bristol, Bristol BS1 2LY, U.K.
| | | | - Bo Su
- Bristol
Dental School, University of Bristol, Bristol BS1 2LY, U.K.
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11
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Abstract
Regulating cell behavior using nanotopography has been widely implemented. To facilitate cell adhesion, physical nanotopography is usually coated with adhesive proteins such as fibronectin (FN). However, the confounding effects of physical and biochemical cues of nanotopography hinder the understanding of nanotopography in regulating cell behavior, which ultimately limits the biomedical applications of nanotopography. To delineate the roles of the physical and biochemical cues in cell regulation, we fabricate substrates that have either the same physical nanotopography but different biochemical (FN) nanopatterns or identical FN nanopatterns but different physical nanotopographies. We then examine the influences of physical and biochemical cues of nanotopography on spreading, nuclear deformation, mechanotransduction, and function of human mesenchymal stem cells (hMSCs). Our results reveal that physical topographies, especially nanogratings, dominantly control cell spreading, YAP localization, proliferation, and differentiation of hMSCs. However, biochemical FN nanopatterns affect hMSC elongation, YAP intracellular localization, and lamin a/c (LAMAC) expression. Furthermore, we find that physical nanogratings induce nanoscale curvature of nuclei at the basal side, which attenuates the osteogenic differentiation of hMSCs. Collectively, our study highlights the dominant effect of physical nanotopography in regulating stem cell functions, while suggesting that fine-tuning of cell behavior can be achieved through altering the presentation of biochemical cues on substrate surfaces.
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Affiliation(s)
- Kai Wang
- Department of Biomedical Engineering, University of North Texas, Denton, Texas 76207, United States
| | - Kun Man
- Department of Biomedical Engineering, University of North Texas, Denton, Texas 76207, United States
| | - Jiafeng Liu
- Department of Biomedical Engineering, University of North Texas, Denton, Texas 76207, United States
| | - Brian Meckes
- Department of Biomedical Engineering, University of North Texas, Denton, Texas 76207, United States
| | - Yong Yang
- Department of Biomedical Engineering, University of North Texas, Denton, Texas 76207, United States
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12
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Souza PG, Adolpho LF, Lopes HB, Weffort D, Souza ATP, Oliveira FS, Rosa AL, Beloti MM. Effects of Modulation of the Hedgehog and Notch Signaling Pathways on Osteoblast Differentiation Induced by Titanium with Nanotopography. J Funct Biomater 2023; 14. [PMID: 36826878 DOI: 10.3390/jfb14020079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 01/14/2023] [Accepted: 01/28/2023] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND The events of bone formation and osteoblast/titanium (Ti) interactions may be affected by Hedgehog and Notch signalling pathways. Herein, we investigated the effects of modulation of these signalling pathways on osteoblast differentiation caused by the nanostructured Ti (Ti-Nano) generated by H2SO4/H2O2. METHODS Osteoblasts from newborn rat calvariae were cultured on Ti-Control and Ti-Nano in the presence of the Hedgehog agonist purmorphamine or antagonist cyclopamine and of the Notch antagonist N-(3,5-Difluorophenacetyl)-L-alanyl]-S-phenylglycine t-butyl ester (DAPT) or agonist bexarotene. Osteoblast differentiation was evaluated by alkaline phosphatase activity and mineralization, and the expression of Hedgehog and Notch receptors was also evaluated. RESULTS In general, purmorphamine and DAPT increased while cyclopamine and bexarotene decreased osteoblast differentiation and regulated the receptor expression on both Ti surfaces, with more prominent effects on Ti-Nano. The purmorphamine and DAPT combination exhibited synergistic effects on osteoblast differentiation that was more intense on Ti-Nano. CONCLUSION Our results indicated that the Hedgehog and Notch signalling pathways drive osteoblast/Ti interactions more intensely on nanotopography. We also demonstrated that combining Hedgehog activation with Notch inhibition exhibits synergistic effects on osteoblast differentiation, especially on Ti-Nano. The uncovering of these cellular mechanisms contributes to create strategies to control the process of osseointegration based on the development of nanostructured surfaces.
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13
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Wu X, Peng W, Liu G, Wang S, Duan B, Yu J, Yang H, Huang C. Extrafibrillarly Demineralized Dentin Matrix for Bone Regeneration. Adv Healthc Mater 2023; 12:e2202611. [PMID: 36640447 DOI: 10.1002/adhm.202202611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 01/05/2023] [Indexed: 01/15/2023]
Abstract
Dentin is a natural extracellular matrix, but its availability in bone grafting and tissue engineering applications is underestimated due to a lack of proper treatment. In this study, the concept of extrafibrillar demineralization is introduced into the construction of dentin-derived biomaterials for bone regeneration for the first time. Calcium chelating agents with large molecular weights are used to selectively remove the extrafibrillar apatite minerals without disturbing the intrafibrillar minerals within dentin collagen, resulting in the formation of an extrafibrillarly demineralized dentin matrix (EDM). EDM with distinctive nanotopography and bone-like mechanical properties is found to significantly promote cell adhesion, migration, and osteogenic differentiation in vitro while enhancing in vivo bone healing of rat calvarial defects. The outstanding osteogenic performance of EDM is further confirmed to be related to the activation of the focal adhesion-cytoskeleton-nucleus mechanotransduction axis. Overall, this study shows that extrafibrillar demineralization of dentin has great potential to produce hierarchical collagen-based scaffolds for bone regeneration, and this facile top-down fabrication method brings about new ideas for the biomedical application of naturally derived bioactive materials.
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Affiliation(s)
- Xiaoyi Wu
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory for Oral Biomedical Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, 430072, China
| | - Wenan Peng
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory for Oral Biomedical Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, 430072, China
| | - Gufeng Liu
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory for Oral Biomedical Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, 430072, China
| | - Shilei Wang
- College of Chemistry and Molecular Sciences, Hubei Engineering Center of Natural Polymer-Based Medical Materials, Wuhan University, Wuhan, 430072, China
| | - Bo Duan
- College of Chemistry and Molecular Sciences, Hubei Engineering Center of Natural Polymer-Based Medical Materials, Wuhan University, Wuhan, 430072, China
| | - Jian Yu
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory for Oral Biomedical Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, 430072, China
| | - Hongye Yang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory for Oral Biomedical Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, 430072, China
| | - Cui Huang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory for Oral Biomedical Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, 430072, China
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14
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Lestrell E, Chen Y, Aslanoglou S, O'Brien CM, Elnathan R, Voelcker NH. Silicon Nanoneedle-Induced Nuclear Deformation: Implications for Human Somatic and Stem Cell Nuclear Mechanics. ACS Appl Mater Interfaces 2022; 14:45124-45136. [PMID: 36173149 DOI: 10.1021/acsami.2c10583] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Cell nuclear size and shape are strictly regulated, with aberrations often leading to or being indicative of disease. Nuclear mechanics are critically responsible for intracellular responses to extracellular cues, such as the nanotopography of the external environment. Silicon nanoneedle (SiNN) arrays are tunable, engineered cell culture substrates that permit precise, nanoscale modifications to a cell's external environment to probe mechanotransduction and intracellular signaling. We use a library of four different SiNN arrays to investigate the immediate and downstream effects of controlled geometries of nanotopographical cues on the nuclear integrity/dynamics of human immortalized somatic and renewing stem cell types. We quantify the significant, albeit different, nuclear shape changes that both cell types undergo, which suggest that cellular responses to SiNN arrays are more comparable to three-dimensional (3D) environments than traditional flat cultureware. We show that nanotopography-induced effects on nuclear envelope integrity, protein localization, and focal adhesion complex formation are cell-dependent. Migration is shown to be dramatically impeded for human neural progenitor cells (hNPCs) on nanotopographies compared to flat substrates but not for somatic cells. Our results indicate an additional layer of complexity in cellular mechanotransduction, which warrants closer attention in the context of engineered substrates and scaffolds for clinical applications.
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Affiliation(s)
- Esther Lestrell
- Faculty of Pharmacy and Pharmaceutical Sciences, Monash University, Parkville, Victoria 3052, Australia
- Melbourne Centre for Nanofabrication, Victorian Node of the Australian National Fabrication Facility, 151 Wellington Road, Clayton, Victoria 3168, Australia
- CSIRO Manufacturing, Clayton, Victoria 3168, Australia
| | - Yaping Chen
- Faculty of Pharmacy and Pharmaceutical Sciences, Monash University, Parkville, Victoria 3052, Australia
- Melbourne Centre for Nanofabrication, Victorian Node of the Australian National Fabrication Facility, 151 Wellington Road, Clayton, Victoria 3168, Australia
| | - Stella Aslanoglou
- Faculty of Pharmacy and Pharmaceutical Sciences, Monash University, Parkville, Victoria 3052, Australia
- Melbourne Centre for Nanofabrication, Victorian Node of the Australian National Fabrication Facility, 151 Wellington Road, Clayton, Victoria 3168, Australia
| | - Carmel M O'Brien
- CSIRO Manufacturing, Clayton, Victoria 3168, Australia
- Australian Regenerative Medicine Institute, Monash University, Clayton, Victoria 3168, Australia
| | - Roey Elnathan
- Faculty of Pharmacy and Pharmaceutical Sciences, Monash University, Parkville, Victoria 3052, Australia
- Melbourne Centre for Nanofabrication, Victorian Node of the Australian National Fabrication Facility, 151 Wellington Road, Clayton, Victoria 3168, Australia
| | - Nicolas H Voelcker
- Faculty of Pharmacy and Pharmaceutical Sciences, Monash University, Parkville, Victoria 3052, Australia
- Melbourne Centre for Nanofabrication, Victorian Node of the Australian National Fabrication Facility, 151 Wellington Road, Clayton, Victoria 3168, Australia
- CSIRO Manufacturing, Clayton, Victoria 3168, Australia
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15
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Kaul S, Sagar P, Gupta R, Garg P, Priyadarshi N, Singhal NK. Mechanobactericidal, Gold Nanostar Hydrogel-Based Bandage for Bacteria-Infected Skin Wound Healing. ACS Appl Mater Interfaces 2022; 14:44084-44097. [PMID: 36099413 DOI: 10.1021/acsami.2c10844] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The emergence of multidrug resistant (MDR) microorganisms has led to the development of alternative approaches for providing relief from microbial attacks. The mechano-bactericidal action as a substitute for antimicrobials has become the focus of intensive research. In this work, nanostructure-conjugated hydrogel are explored as a flexible dressing against Staphylococcus aureus (S. aureus)-infected skin wounds. Herein gold nanostars (AuNst) with spike lengths reaching 120 nm are probed for antibacterial action. The bacterial killing of >95% is observed for Pseudomonas aeruginosa (P. aeruginosa) and Escherichia coli (E. coli), while up to 60% for Gram-positive S. aureus. AuNst conjugated hydrogel (AuNst120@H) reduced >80% colonies of P. aeruginosa and E. coli. In comparison, around 35.4% reduction of colonies are obtained for S. aureus. The viability assay confirmed the presence of about 85% of living NIH-3T3 cells when grown with hydrogels. An animal wound model is also developed to assess the efficiency of AuNst120@H. A significant reduction in wound size is observed on the 10th day in AuNst120@H treated animals with fully formed epidermal layers, hair follicles, new blood vessels, and arrector muscles. These findings suggest that novel dressing materials can be developed with antimicrobial nanotextured surfaces.
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Affiliation(s)
- Sunaina Kaul
- National Agri-Food Biotechnology Institute, Sector 81, Sahibzada Ajit Singh Nagar, Mohali, 140306, India
- Department of Biotechnology, Panjab University, Sector 25, Chandigarh, 160014, India
| | - Poonam Sagar
- National Agri-Food Biotechnology Institute, Sector 81, Sahibzada Ajit Singh Nagar, Mohali, 140306, India
- Department of Biotechnology, Panjab University, Sector 25, Chandigarh, 160014, India
| | - Ritika Gupta
- National Agri-Food Biotechnology Institute, Sector 81, Sahibzada Ajit Singh Nagar, Mohali, 140306, India
- Department of Biotechnology, Panjab University, Sector 25, Chandigarh, 160014, India
| | - Priyanka Garg
- National Agri-Food Biotechnology Institute, Sector 81, Sahibzada Ajit Singh Nagar, Mohali, 140306, India
- Department of Biotechnology, Panjab University, Sector 25, Chandigarh, 160014, India
| | - Nitesh Priyadarshi
- National Agri-Food Biotechnology Institute, Sector 81, Sahibzada Ajit Singh Nagar, Mohali, 140306, India
| | - Nitin Kumar Singhal
- National Agri-Food Biotechnology Institute, Sector 81, Sahibzada Ajit Singh Nagar, Mohali, 140306, India
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16
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Kingsak M, Maturavongsadit P, Jiang H, Wang Q. Cellular responses to nanoscale substrate topography of TiO 2 nanotube arrays: cell morphology and adhesion. Biomater Transl 2022; 3:221-233. [PMID: 36654780 PMCID: PMC9840087 DOI: 10.12336/biomatertransl.2022.03.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 09/07/2022] [Accepted: 09/17/2022] [Indexed: 01/20/2023]
Abstract
Nanotopographical features can be beneficial in augmenting cell functions and increasing osteogenic potential. However, the relationships between surface topographies and biological responses are difficult to establish due to the difficulty in controlling the surface topographical features at a low-nanometre scale. Herein, we report the fabrication of well-defined controllable titanium dioxide (TiO2) nanotube arrays with a wide range of pore sizes, 30-175 nm in diameter, and use of the electrochemical anodization method to assess the effect of surface nanotopographies on cell morphology and adhesion. The results show that TiO2 nanotube arrays with pore sizes of 30 and 80 nm allowed for cell spreading of bone marrow-derived mesenchymal stem cells with increased cell area coverage. Additionally, cell adhesion was significantly enhanced by controlled nanotopographies of TiO2 nanotube arrays with 80 nm pore size. Our results demonstrate that surface modification at the nano-scale level with size tunability under controlled chemical/physical properties and culture conditions can greatly impact cell responses. These findings point to a new direction of material design for bone-tissue engineering in orthopaedic applications.
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Affiliation(s)
- Monchupa Kingsak
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, USA
| | - Panita Maturavongsadit
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, USA
| | - Hong Jiang
- Computer Science, Physics, and Engineering Department, Benedict College, Columbia, SC, USA
| | - Qian Wang
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, USA,Corresponding author: Qian Wang,
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17
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Zuardi LR, de Oliveira FS, Fernandes RR, Gomes MPO, Spriano S, Nanci A, de Oliveira PT. Effects of rmBMP-7 on Osteoblastic Cells Grown on a Nanostructured Titanium Surface. Biomimetics (Basel) 2022; 7:biomimetics7030136. [PMID: 36134940 PMCID: PMC9496167 DOI: 10.3390/biomimetics7030136] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 09/06/2022] [Accepted: 09/14/2022] [Indexed: 01/23/2023] Open
Abstract
This study evaluates the effects of the availability of exogenous BMP-7 on osteoblastic cells’ differentiation on a nanotextured Ti surface obtained by chemical etching (Nano-Ti). The MC3T3-E1 and UMR-106 osteoblastic cell lines were cultured for 5 and 7 days, respectively, on a Nano-Ti surface and on a control surface (Control-Ti) in an osteogenic medium supplemented with either 40 or 200 ng/mL recombinant mouse (rm) BMP-7. The results showed that MC3T3-E1 cells exhibited distinct responsiveness when exposed to each of the two rmBMP-7 concentrations, irrespective of the surface. Even with 40 ng/mL rmBMP-7, important osteogenic effects were noticed for Control-Ti in terms of cell proliferation potential; Runx2, Osx, Alp, Bsp, Opn, and Smad1 mRNA expression; and in situ ALP activity. For Nano-Ti, the effects were limited to higher Alp, Bsp, and Opn mRNA expression and in situ ALP activity. On both surfaces, the osteogenic potential of UMR-106 cultures remained unaltered with 40 ng/mL rmBMP-7, but it was significantly reduced when the cultures were exposed to the 200 ng/mL concentration. The availability of rmBMP-7 to pre-osteoblastic cells at the concentrations used alters the expression profile of osteoblast markers, indicative of the acquisition of a more advanced stage of osteoblastic differentiation. This occurs less pronouncedly on the nanotextured Ti and without reflecting in higher mineralized matrix production by differentiated osteoblasts on both surfaces.
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Affiliation(s)
- Leonardo Raphael Zuardi
- Department of Basic and Oral Biology, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-904, SP, Brazil
| | - Fabíola Singaretti de Oliveira
- Department of Oral and Maxillofacial Surgery and Periodontics, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-904, SP, Brazil
| | - Roger Rodrigo Fernandes
- Department of Oral and Maxillofacial Surgery and Periodontics, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-904, SP, Brazil
| | - Maria Paula Oliveira Gomes
- Department of Basic and Oral Biology, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-904, SP, Brazil
| | - Silvia Spriano
- Department of Applied Science and Technology, Politecnico di Torino, 10129 Torino, Italy
| | - Antonio Nanci
- Faculté de Médecine Dentaire, Université de Montréal, Montreal, QC H3T 1J4, Canada
| | - Paulo Tambasco de Oliveira
- Department of Basic and Oral Biology, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-904, SP, Brazil
- Correspondence: ; Tel.: +55-16-99623-3663
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18
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Luo J, Zhao S, Gao X, Varma SN, Xu W, Tamaddon M, Thorogate R, Yu H, Lu X, Salmeron-Sanchez M, Liu C. TiO 2 Nanotopography-Driven Osteoblast Adhesion through Coulomb's Force Evolution. ACS Appl Mater Interfaces 2022; 14:34400-34414. [PMID: 35867934 PMCID: PMC9354007 DOI: 10.1021/acsami.2c07652] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Accepted: 07/13/2022] [Indexed: 05/20/2023]
Abstract
Nanotopography is an effective method to regulate cells' behaviors to improve Ti orthopaedic implants' in vivo performance. However, the mechanism underlying cellular matrix-nanotopography interactions that allows the modulation of cell adhesion has remained elusive. In this study, we have developed novel nanotopographic features on Ti substrates and studied human osteoblast (HOb) adhesion on nanotopographies to reveal the interactive mechanism regulating cell adhesion and spreading. Through nanoflat, nanoconvex, and nanoconcave TiO2 nanotopographies, the evolution of Coulomb's force between the extracellular matrix and nanotopographies has been estimated and comparatively analyzed, along with the assessment of cellular responses of HOb. We show that HObs exhibited greater adhesion and spreading on nanoconvex surfaces where they formed super matured focal adhesions and an ordered actin cytoskeleton. It also demonstrated that Coulomb's force on nanoconvex features exhibits a more intense and concentrated evolution than that of nanoconcave features, which may result in a high dense distribution of fibronectin. Thus, this work is meaningful for novel Ti-based orthopaedic implants' surface designs for enhancing their in vivo performance.
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Affiliation(s)
- Jiajun Luo
- Division
of Surgery & Interventional Science, Royal National Orthopaedic
Hospital, University College London, Stanmore HA7 4LP, U.K.
- Centre
for the Cellular Microenvironment, University
of Glasgow, Glasgow G12 8LT, U.K.
| | - Shudong Zhao
- Division
of Surgery & Interventional Science, Royal National Orthopaedic
Hospital, University College London, Stanmore HA7 4LP, U.K.
- Key
Laboratory for Biomechanics and Mechanobiology of Ministry of Education,
Beijing Advanced Innovation Center for Biomedical Engineering, School
of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China
| | - Xiangsheng Gao
- Division
of Surgery & Interventional Science, Royal National Orthopaedic
Hospital, University College London, Stanmore HA7 4LP, U.K.
- Beijing
Key Laboratory of Advanced Manufacturing Technology, Faculty of Materials
and Manufacturing, Beijing University of
Technology, Beijing 100124, China
| | - Swastina Nath Varma
- Division
of Surgery & Interventional Science, Royal National Orthopaedic
Hospital, University College London, Stanmore HA7 4LP, U.K.
| | - Wei Xu
- Division
of Surgery & Interventional Science, Royal National Orthopaedic
Hospital, University College London, Stanmore HA7 4LP, U.K.
- Beijing
Advanced Innovation Center for Materials Genome Engineering, Institute
for Advanced Materials and Technology, State Key Laboratory for Advanced
Metals and Materials, University of Science
and Technology Beijing, Beijing 100083, China
| | - Maryam Tamaddon
- Division
of Surgery & Interventional Science, Royal National Orthopaedic
Hospital, University College London, Stanmore HA7 4LP, U.K.
| | - Richard Thorogate
- London
Centre for Nanotechnology, University College
London, London WC1H 0AH, U.K.
| | - Haoran Yu
- Institute
of Bioengineering, College of Chemical and Biological Engineering,
Hangzhou Global Scientific and Technological Innovation Center, Zhejiang University, Hangzhou 310027, China
| | - Xin Lu
- Beijing
Advanced Innovation Center for Materials Genome Engineering, Institute
for Advanced Materials and Technology, State Key Laboratory for Advanced
Metals and Materials, University of Science
and Technology Beijing, Beijing 100083, China
| | | | - Chaozong Liu
- Division
of Surgery & Interventional Science, Royal National Orthopaedic
Hospital, University College London, Stanmore HA7 4LP, U.K.
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19
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Abstract
Surface topography on the scale of tens of nanometers to several micrometers substantially affects cell adhesion, migration, and differentiation. Recent studies using electron microscopy and super-resolution microscopy provide insight into how cells interact with surface nanotopography; however, the complex sample preparation and expensive imaging equipment required for these methods makes them not easily accessible. Expansion microscopy (ExM) is an affordable approach to image beyond the diffraction limit, but ExM cannot be readily applied to image the cell-material interface as most materials do not expand. Here, we develop a protocol that allows the use of ExM to resolve the cell-material interface with high resolution. We apply the technique to image the interface between U2OS cells and nanostructured substrates as well as the interface between primary osteoblasts with titanium dental implants. The high spatial resolution enabled by ExM reveals that although AP2 and F-actin both accumulate at curved membranes induced by vertical nanostructures, they are spatially segregated. Using ExM, we also reliably image how osteoblasts interact with roughened titanium implant surfaces below the diffraction limit; this is of great interest to understand osseointegration of the implants but has up to now been a significant technical challenge due to the irregular shape, the large volume, and the opacity of the titanium implants that have rendered them incompatible with other super-resolution techniques. We believe that our protocol will enable the use of ExM as a powerful tool for cell-material interface studies.
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Affiliation(s)
- Melissa L Nakamoto
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Csaba Forró
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Wei Zhang
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Ching-Ting Tsai
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Bianxiao Cui
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
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20
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Pierfelice TV, D'Amico E, Iezzi G, Piattelli A, Di Pietro N, D'Arcangelo C, Comuzzi L, Petrini M. Nanoporous Titanium Enriched with Calcium and Phosphorus Promotes Human Oral Osteoblast Bioactivity. Int J Environ Res Public Health 2022; 19:6212. [PMID: 35627749 DOI: 10.3390/ijerph19106212] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 05/05/2022] [Accepted: 05/16/2022] [Indexed: 12/12/2022]
Abstract
Implant surfaces are known to influence the osseointegration process; therefore, their modifications represent an important subject of investigation. On this basis, the purpose of this study was to evaluate the response of human oral osteoblasts (hOBs) to three different GR4 titanium discs: Machined, double-etched (Osteopore), and double-etched, surface-enriched with calcium and phosphorus (CaP) (Nanopore). The superficial topography was investigated with scanning electron microscopy (SEM) and the sessile drop technique. To test cellular response and osteoinductive properties, the following points were evaluated: (i) proliferation by MTS assay after 2 and 5 days; (ii) adhesion by multiphoton microscopy at day 2; (iii) the interaction with Ti discs by blue toluidine staining at day 5; (iv) alkaline phosphatase (ALP) activity by ALP assay after 14 days; (v) calcium deposition by alizarin red staining and by cetylpyridinium chloride after 14 days. The SEM analysis showed that Nanopore and Osteopore surfaces were characterized by the same micro-topography. Nanopore and Osteopore discs, compared to Machined, stimulated higher osteoblast proliferation and showed more osteoinductive properties by promoting the ALP activity and calcium deposition. In conclusion, the CaP treatment on DAE surfaces seemed to favor the oral osteoblast response, encouraging their use for in vivo applications.
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21
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Michael P, Yang N, Moore M, Santos M, Lam YT, Ward A, Hung JC, Tan R, Wise S. Synthetic Vascular Graft with Spatially Distinct Architecture for Rapid Biomimetic Cell Organisation in a Perfusion Bioreactor. Biomed Mater 2022; 17. [PMID: 35413704 DOI: 10.1088/1748-605x/ac66b2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 04/12/2022] [Indexed: 11/12/2022]
Abstract
Access to lab-grown fully functional blood vessels would provide an invaluable resource to vascular medicine. The complex architecture and cellular makeup of native vessels, however, makes this extremely challenging to reproduce in vitro. Bioreactor systems have helped advanced research in this area by replicating many of the physiological conditions necessary for full-scale tissue growth outside of the body. A key element underpinning these technologies are 3D vascular graft templates which serve as temporary scaffolds to direct cell growth into similar cellular architectures observed in native vessels. Grafts further engineered with appropriate physical cues to accommodate the multiple cell types that reside within native vessels may help improve the production efficiency and physiological accuracy of bioreactor-grown vessel substitutes. Here, we engineered two distinct scaffold architectures into an electrospun vascular graft aiming to encourage the spatial organisation of human vascular endothelial cells (hCAECs) in a continuous luminal monolayer, co-cultured with human fibroblasts (hFBs) populating the graft wall. Using an electrospun composite of polycaprolactone (PCL) and gelatin, we evaluated physical parameters including fibre thickness, fibre alignment, and porosity, that best mimicked the spatial composition and growth of hCAECs and hFBs in native vessels. Upon identifying the optimal scaffold architectures for each cell type, we constructed a custom-designed mandrel that combined these distinct architectures into a single vascular graft during a single electrospinning processing run. When connected to a perfusion bioreactor system, the dual architecture graft spatially oriented hCAECs and hFBs into the graft wall and lumen, respectively, directly from circulation. This biomimetic cell organisation was consistent with positive graft remodelling with significant collagen deposition in the graft wall. These findings demonstrate the influence of architectural cues to direct cell growth within vascular graft templates and the future potential of these approaches to more accurately and efficiency produce blood vessel substitutes in bioreactor systems.
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Affiliation(s)
- Praveesuda Michael
- The University of Sydney, John Hopkins Drive, CAMPERDOWN, Sydney, New South Wales, 2006, AUSTRALIA
| | - Nianji Yang
- The University of Sydney, John Hopkins Drive, CAMPERDOWN, Sydney, New South Wales, 2006, AUSTRALIA
| | - Matthew Moore
- The University of Sydney, John Hopkins Drive, CAMPERDOWN, Sydney, New South Wales, 2006, AUSTRALIA
| | - Miguel Santos
- The University of Sydney, John Hopkins Drive, CAMPERDOWN, Sydney, New South Wales, 2006, AUSTRALIA
| | - Yuen Ting Lam
- The University of Sydney Charles Perkins Centre, John Hopkins Drive, CAMPERDOWN, Sydney, 2006, AUSTRALIA
| | - Annabelle Ward
- The University of Sydney, John Hopkins Drive, CAMPERDOWN, Sydney, New South Wales, 2006, AUSTRALIA
| | - Jui Chien Hung
- The University of Sydney, John Hopkins Drive, CAMPERDOWN, Sydney, New South Wales, 2006, AUSTRALIA
| | - Richard Tan
- The University of Sydney, John Hopkins Drive, CAMPERDOWN, Sydney, New South Wales, 2006, AUSTRALIA
| | - Steven Wise
- The University of Sydney, John Hopkins Drive, CAMPERDOWN, Sydney, New South Wales, 2006, AUSTRALIA
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22
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Ma L, Li G, Lei J, Song Y, Feng X, Tan L, Luo R, Liao Z, Shi Y, Zhang W, Liu X, Sheng W, Wu S, Yang C. Nanotopography Sequentially Mediates Human Mesenchymal Stem Cell-Derived Small Extracellular Vesicles for Enhancing Osteogenesis. ACS Nano 2022; 16:415-430. [PMID: 34935354 DOI: 10.1021/acsnano.1c07150] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Engineered small extracellular vesicles (sEVs) are used as tools to enhance therapeutic efficacy. However, such application of sEVs is associated with several issues, including high costs and a high risk of tumorigenesis. Nanotopography has a greater influence on bone-related cell behaviors. However, whether nanotopography specifically mediate sEV content to perform particular biological functions remains unclear. Here, we demonstrate that selective nanotopography may be used to sequentially mediate human bone mesenchymal stem cell (hBMSC) sEVs to enhance the therapeutic efficacy of hBMSCs-EVs for osteogenesis. We subjected sEVs harvested from hBMSCs cultured on polished titanium plates (Ti) or nanotopographical titanium plates (Ti4) after 7, 14, and 21 d for RNA sequencing, and we found that there was no significant difference in sEV-miRNA expression after 7 d. Differentially expressed osteogenic-related microRNAs were founded after 14 days, and KEGG analysis indicated that the main microRNAs were associated with osteogenesis-related pathways, such as TGF-beta, AMPK, and FoxO. A significant difference was found in sEV-miRNAs expression after 21 d. We loaded sEV secreted from hBMSCs cultured on Ti4 after 21 d on 3D-printed porous PEEK scaffolds with poly dopamine (PDA) and found that such scaffolds showed superior osteogenic ability after 6- and 12-weeks. Here, we demonstrate the alkali- and heat-treated nanotopography with the ability of stimulating osteogenic differentiation of hBMSC can induce the secretion of pro-osteogenesis sEV, and we also found that sEVs meditate osteogenesis through miRNA. Thus, whether nanotopography has the ability to regulate other contents of sEVs such as proteins for enhancing osteogenesis needs further research. These findings may help us use nanotopography to extract sEVs for other biomedical applications, including cancer therapy.
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Affiliation(s)
- Liang Ma
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Gaocai Li
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Jie Lei
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Yu Song
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Xiaobo Feng
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Lei Tan
- Biomedical Materials Engineering Research Center, Collaborative Innovation Center for Advanced Organic Chemical Materials Co-constructed by the Province and Ministry, Hubei Key Laboratory of Polymer Materials, Ministry-of-Education Key Laboratory for the Green Preparation and Application of Functional Materials, School of Materials Science & Engineering, Hubei University, Wuhan 430062, China
| | - Rongjin Luo
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Zhiwei Liao
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Yunsong Shi
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Weifeng Zhang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Xiangmei Liu
- Biomedical Materials Engineering Research Center, Collaborative Innovation Center for Advanced Organic Chemical Materials Co-constructed by the Province and Ministry, Hubei Key Laboratory of Polymer Materials, Ministry-of-Education Key Laboratory for the Green Preparation and Application of Functional Materials, School of Materials Science & Engineering, Hubei University, Wuhan 430062, China
| | - Weibin Sheng
- Department of Spine Surgery, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830054, China
| | - Shuilin Wu
- The Key Laboratory of Advanced Ceramics and Machining Technology by the Ministry of Education of China, School of Materials Science & Engineering, Tianjin University, Tianjin 300072, China
| | - Cao Yang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
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23
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Ishmukhametov I, Batasheva S, Rozhina E, Akhatova F, Mingaleeva R, Rozhin A, Fakhrullin R. DNA/Magnetic Nanoparticles Composite to Attenuate Glass Surface Nanotopography for Enhanced Mesenchymal Stem Cell Differentiation. Polymers (Basel) 2022; 14:344. [PMID: 35054750 PMCID: PMC8779295 DOI: 10.3390/polym14020344] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 12/22/2021] [Accepted: 12/31/2021] [Indexed: 02/07/2023] Open
Abstract
Mesenchymal stem cells (MSCs) have extensive pluripotent potential to differentiate into various cell types, and thus they are an important tool for regenerative medicine and biomedical research. In this work, the differentiation of hTERT-transduced adipose-derived MSCs (hMSCs) into chondrocytes, adipocytes and osteoblasts on substrates with nanotopography generated by magnetic iron oxide nanoparticles (MNPs) and DNA was investigated. Citrate-stabilized MNPs were synthesized by the chemical co-precipitation method and sized around 10 nm according to microscopy studies. It was shown that MNPs@DNA coatings induced chondrogenesis and osteogenesis in hTERT-transduced MSCs. The cells had normal morphology and distribution of actin filaments. An increase in the concentration of magnetic nanoparticles resulted in a higher surface roughness and reduced the adhesion of cells to the substrate. A glass substrate modified with magnetic nanoparticles and DNA induced active chondrogenesis of hTERT-transduced MSC in a twice-diluted differentiation-inducing growth medium, suggesting the possible use of nanostructured MNPs@DNA coatings to obtain differentiated cells at a reduced level of growth factors.
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Affiliation(s)
| | | | - Elvira Rozhina
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kreml uramı 18, 420008 Kazan, Republic of Tatarstan, Russian Federation; (I.I.); (S.B.); (F.A.); (R.M.); (A.R.)
| | | | | | | | - Rawil Fakhrullin
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kreml uramı 18, 420008 Kazan, Republic of Tatarstan, Russian Federation; (I.I.); (S.B.); (F.A.); (R.M.); (A.R.)
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24
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Lopez Marquez A, Gareis IE, Dias FJ, Gerhard C, Lezcano MF. How Fiber Surface Topography Affects Interactions between Cells and Electrospun Scaffolds: A Systematic Review. Polymers (Basel) 2022; 14:polym14010209. [PMID: 35012232 PMCID: PMC8747153 DOI: 10.3390/polym14010209] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 12/22/2021] [Accepted: 12/29/2021] [Indexed: 01/02/2023] Open
Abstract
Electrospun scaffolds have a 3D fibrous structure that attempts to imitate the extracellular matrix in order to be able to host cells. It has been reported in the literature that controlling fiber surface topography produces varying results regarding cell–scaffold interactions. This review analyzes the relevant literature concerning in vitro studies to provide a better understanding of the effect that controlling fiber surface topography has on cell–scaffold interactions. A systematic approach following PRISMA, GRADE, PICO, and other standard methodological frameworks for systematic reviews was used. Different topographic interventions and their effects on cell–scaffold interactions were analyzed. Results indicate that nanopores and roughness on fiber surfaces seem to improve proliferation and adhesion of cells. The quality of the evidence is different for each studied cell–scaffold interaction, and for each studied morphological attribute. The evidence points to improvements in cell–scaffold interactions on most morphologically complex fiber surfaces. The discussion includes an in-depth evaluation of the indirectness of the evidence, as well as the potentially involved publication bias. Insights and suggestions about dose-dependency relationship, as well as the effect on particular cell and polymer types, are presented. It is concluded that topographical alterations to the fiber surface should be further studied, since results so far are promising.
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Affiliation(s)
- Alex Lopez Marquez
- Faculty of Engineering and Health, University of Applied Sciences and Arts, 37085 Göttingen, Germany; (A.L.M.); (C.G.)
| | - Iván Emilio Gareis
- Laboratorio de Cibernética, Departamento de Bioingeniería, Facultad de Ingeniería, Universidad Nacional de Entre Ríos, Oro Verde 3100, Argentina;
| | - Fernando José Dias
- Research Centre for Dental Sciences CICO, Department of Integral Adults Dentistry, Dental School, Universidad de La Frontera, Temuco 4811230, Chile;
| | - Christoph Gerhard
- Faculty of Engineering and Health, University of Applied Sciences and Arts, 37085 Göttingen, Germany; (A.L.M.); (C.G.)
| | - María Florencia Lezcano
- Laboratorio de Cibernética, Departamento de Bioingeniería, Facultad de Ingeniería, Universidad Nacional de Entre Ríos, Oro Verde 3100, Argentina;
- Research Centre for Dental Sciences CICO, Department of Integral Adults Dentistry, Dental School, Universidad de La Frontera, Temuco 4811230, Chile;
- Correspondence:
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25
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Gupta S, Mittal N, Baranwal HC, Rath C, Shankari T, Gupta S. Comparative evaluation of bioglass nanofiber, dexamethasone-coated bioglass nanofiber, and platelet-rich fibrin, as scaffolds in regenerative endodontic treatment of immature necrotic teeth: A randomized controlled trial. J Conserv Dent 2022; 25:561-568. [PMID: 36506625 PMCID: PMC9733549 DOI: 10.4103/jcd.jcd_264_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 06/07/2022] [Accepted: 06/13/2022] [Indexed: 12/15/2022] Open
Abstract
Aim The aim of this study was to evaluate and compare the regenerative endodontic potential of dexamethasone-coated bioglass nanofiber (Dex-BGnf), bioglass nanofiber (BGnf), and platelet-rich fibrin (PRF) for inducing regeneration in necrotic immature permanent teeth. Materials and Methods A total of 36 (n = 12) immature necrotic teeth with or without evidence of periapical lesion were included in the study. Patients were randomly allocated into three groups, based on the scaffolds used: Group I (PRF), II (BGnf), and III (Dex-BGnf). The clinical (electric pulp test) and radiographic evaluations (percentage increase in apical diameter, root length, root dentin thickness, and periapical healing) were compared at 6 and 12 months after the procedure with baseline records. Statistical Analysis One-way ANOVA, post hoc Tukey analysis, and Kruskal-Wallis test were used for evaluating the data. A 6- and 12-month improvement analysis was done using paired t-test and Friedman test. Results Clinically, all the 36 teeth were asymptomatic, but none gave a positive response to Electric Pulp Test (EPT) in time interval of 12 months. Dex-BGnf showed a statistically significant improvement in terms of increase in root length (P = 0.020) and root dentinal thickness (P = 0.001) when compared to PRF after 12 months. Conclusion The study has shown that Dex-BGnf yielded significantly better results than PRF for inducing apexogenesis in necrotic immature teeth.
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Affiliation(s)
- Sakshi Gupta
- Department of Conservative Dentistry and Endodontics, FODS, BHU, Varanasi, Uttar Pradesh, India,Address for correspondence: Dr. Sakshi Gupta, JRIII, Department of Conservative Dentistry and Endodontics, FODS, IMS, BHU, Varanasi, Uttar Pradesh, India. E-mail:
| | - Neelam Mittal
- Department of Conservative Dentistry and Endodontics, FODS, BHU, Varanasi, Uttar Pradesh, India
| | - Harakh Chand Baranwal
- Department of Conservative Dentistry and Endodontics, FODS, BHU, Varanasi, Uttar Pradesh, India
| | - Chandana Rath
- Department of Materials Science, IIT, BHU, Varanasi, Uttar Pradesh, India
| | - Thivya Shankari
- Department of Conservative Dentistry and Endodontics, FODS, BHU, Varanasi, Uttar Pradesh, India
| | - Supriya Gupta
- Department of Conservative Dentistry and Endodontics, FODS, BHU, Varanasi, Uttar Pradesh, India
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26
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Abstract
Implant surface modification by nanopatterning is an interesting route for enhancing osseointegration in humans. Herein, the molecular response to an intentional, controlled nanotopography pattern superimposed on screw-shaped titanium implants is investigated in human bone. When clinical implants are installed, additional two mini-implants, one with a machined surface (M) and one with a machined surface superimposed with a hemispherical nanopattern (MN), are installed in the posterior maxilla. In the second-stage surgery, after 6-8 weeks, the mini-implants are retrieved by unscrewing, and the implant-adherent cells are subjected to gene expression analysis using quantitative polymerase chain reaction (qPCR). Compared to those adherent to the machined (M) implants, the cells adherent to the nanopatterned (MN) implants demonstrate significant upregulation (1.8- to 2-fold) of bone-related genes (RUNX2, ALP, and OC). No significant differences are observed in the expression of the analyzed inflammatory and remodeling genes. Correlation analysis reveals that older patient age is associated with increased expression of proinflammatory cytokines (TNF-α and MCP-1) on the machined implants and decreased expression of pro-osteogenic factor (BMP-2) on the nanopatterned implants. Controlled nanotopography, in the form of hemispherical 60 nm protrusions, promotes gene expressions related to early osteogenic differentiation and osteoblastic activity in implant-adherent cells in the human jaw bone.
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Affiliation(s)
- Dimitrios Karazisis
- Department of Biomaterials, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, 405 30 Gothenburg, Sweden.,Department of Oral and Maxillofacial Surgery, Sahlgrenska Academy, University of Gothenburg, 405 30 Gothenburg, Sweden
| | - Omar Omar
- Department of Biomedical Dental Sciences, College of Dentistry, Imam Abdulrahman bin Faisal University, Dammam 34212, Saudi Arabia
| | - Sarunas Petronis
- Chemistry, Biomaterials and Textiles, RISE Research Institutes of Sweden, 501 15 Borås, Sweden
| | - Peter Thomsen
- Department of Biomaterials, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, 405 30 Gothenburg, Sweden
| | - Lars Rasmusson
- Department of Biomaterials, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, 405 30 Gothenburg, Sweden.,Department of Oral and Maxillofacial Surgery, Sahlgrenska Academy, University of Gothenburg, 405 30 Gothenburg, Sweden.,Maxillofacial Unit, Linköping University Hospital, 581 85 Linköping, Sweden
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27
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Gong Z, Zhou B, Liu X, Cao J, Hong Z, Wang J, Sun X, Yuan X, Tan H, Ji H, Bai J. Enzyme-Induced Transformable Peptide Nanocarriers with Enhanced Drug Permeability and Retention to Improve Tumor Nanotherapy Efficacy. ACS Appl Mater Interfaces 2021; 13:55913-55927. [PMID: 34784165 DOI: 10.1021/acsami.1c17917] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Temporal persistence is as important for nanocarriers as spatial accuracy. However, because of the insufficient aggreagtion and short retention time of chemotherapy drugs in tumors, their clinical application is greatly limited. A drug delivery approach dependent on the sensitivity to an enzyme present in the microenvironment of the tumor is designed to exhibit different sizes in different sites, achieving enhanced drug permeability and retention to improve tumor nanotherapy efficacy. In this work, we report a small-molecule peptide drug delivery system containing both tumor-targeting groups and enzyme response sites. This system enables the targeted delivery of peptide nanocarriers to tumor cells and a unique response to alkaline phosphatase (ALP) in the tumor microenvironment to activate morphological transformation and drug release. The amphiphilic peptide AYR self-aggregated into a spherical nanoparticle structure after encapsulating the lipid-soluble model drug doxorubicin (DOX) and rapidly converted to nanofibers via the induction of ALP. This morphological transformation toward a high aspect ratio allowed rapid, as well as effective drug release to tumor location while enhancing specific toxicity to tumor cells. Interestingly, this "transformer"-like drug delivery strategy can enhance local drug accumulation and effectively inhibit drug efflux. In vitro along with in vivo experiments further proved that the permeability and retention of antitumor drugs in tumor cells and tissues were significantly enhanced to reduce toxic side effects, and the therapeutic effect was remarkably improved compared with that of nondeformable drug-loaded peptide nanocarriers. The developed AYR nanoparticles with the ability to undergo morphological transformation in situ can improve local drug aggregation and retention time at the tumor site. Our findings provide a new and simple method for nanocarrier morphology transformation in novel cancer treatments.
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Affiliation(s)
- Zhongying Gong
- School of Bioscience and Technology, Weifang Medical University, Weifang 261053, China
| | - Baolong Zhou
- School of Pharmacy, Weifang Medical University, Weifang 261053, China
| | - Xiaoying Liu
- School of Bioscience and Technology, Weifang Medical University, Weifang 261053, China
| | - Juanjuan Cao
- School of Bioscience and Technology, Weifang Medical University, Weifang 261053, China
| | - Zexin Hong
- School of Bioscience and Technology, Weifang Medical University, Weifang 261053, China
| | - Jingye Wang
- Department of Pathology, Weifang Maternal and Child Health Hospital, Weifang 261000, China
| | - Xirui Sun
- School of Bioscience and Technology, Weifang Medical University, Weifang 261053, China
| | - Xiaomeng Yuan
- School of Bioscience and Technology, Weifang Medical University, Weifang 261053, China
| | - Haining Tan
- National Glycoengineering Research Center, Shandong University, Jinan 250012, China
| | - Hongjie Ji
- School of Bioscience and Technology, Weifang Medical University, Weifang 261053, China
| | - Jingkun Bai
- School of Bioscience and Technology, Weifang Medical University, Weifang 261053, China
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28
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Zhao Y, Zhang Z, Pan Z, Liu Y. Advanced bioactive nanomaterials for biomedical applications. Exploration (Beijing) 2021; 1:20210089. [PMID: 37323697 PMCID: PMC10191050 DOI: 10.1002/exp.20210089] [Citation(s) in RCA: 119] [Impact Index Per Article: 39.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 12/08/2021] [Indexed: 06/14/2023]
Abstract
Bioactive materials are a kind of materials with unique bioactivities, which can change the cellular behaviors and elicit biological responses from living tissues. Bioactive materials came into the spotlight in the late 1960s when the researchers found that the materials such as bioglass could react with surrounding bone tissue for bone regeneration. In the following decades, advances in nanotechnology brought the new development opportunities to bioactive nanomaterials. Bioactive nanomaterials are not a simple miniaturization of macroscopic materials. They exhibit unique bioactivities due to their nanoscale size effect, high specific surface area, and precise nanostructure, which can significantly influence the interactions with biological systems. Nowadays, bioactive nanomaterials have represented an important and exciting area of research. Current and future applications ensure that bioactive nanomaterials have a high academic and clinical importance. This review summaries the recent advances in the field of bioactive nanomaterials, and evaluate the influence factors of bioactivities. Then, a range of bioactive nanomaterials and their potential biomedical applications are discussed. Furthermore, the limitations, challenges, and future opportunities of bioactive nanomaterials are also discussed.
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Affiliation(s)
- Yu Zhao
- Key Laboratory of Functional Polymer Materials of Ministry of EducationState Key Laboratory of Medicinal Chemical BiologyFrontiers Science Center for New Organic MatterCollege of ChemistryNankai UniversityTianjinP. R. China
| | - Zhanzhan Zhang
- Key Laboratory of Functional Polymer Materials of Ministry of EducationState Key Laboratory of Medicinal Chemical BiologyFrontiers Science Center for New Organic MatterCollege of ChemistryNankai UniversityTianjinP. R. China
| | - Zheng Pan
- Key Laboratory of Functional Polymer Materials of Ministry of EducationState Key Laboratory of Medicinal Chemical BiologyFrontiers Science Center for New Organic MatterCollege of ChemistryNankai UniversityTianjinP. R. China
| | - Yang Liu
- Key Laboratory of Functional Polymer Materials of Ministry of EducationState Key Laboratory of Medicinal Chemical BiologyFrontiers Science Center for New Organic MatterCollege of ChemistryNankai UniversityTianjinP. R. China
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29
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Chauhan P, Koul V, Bhatnagar N. Critical Role of Etching Parameters in the Evolution of Nano Micro SLA Surface on the Ti6Al4V Alloy Dental Implants. Materials (Basel) 2021; 14:ma14216344. [PMID: 34771869 PMCID: PMC8585160 DOI: 10.3390/ma14216344] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 10/05/2021] [Accepted: 10/09/2021] [Indexed: 01/12/2023]
Abstract
The surface of dental implants plays a vital role in early and more predictable osseointegration. SLA (sandblasted large grit and acid-etched) represents the most widely accepted, long-term clinically proven surface. Primarily, dental implants are manufactured by either commercially pure titanium (CP-Ti) or Ti6Al4V ELI alloy. The acid etch behavior of CP-Ti is well known and its effects on the surface microstructure and physicochemical properties have been studied by various researchers in the past. However, there is a lack of studies showing the effect of acid etching parameters on the Ti6Al4V alloy surface. The requirement of the narrow diameter implants necessitates implant manufacturing from alloys due to their high mechanical properties. Hence, it is necessary to have an insight on the behavior of acid etching of the alloy surface as it might be different due to changed compositions and microstructure, which can further influence the osseointegration process. The present research was carried out to study the effect of acid etching parameters on Ti6Al4V ELI alloy surface properties and the optimization of process parameters to produce micro- and nanotopography on the dental implant surface. This study shows that the Ti6Al4V ELI alloy depicts an entirely different surface topography compared to CP-Ti. Moreover, the surface topography of the Ti6Al4V ELI alloy was also different when etching was done at room temperature compared to high temperature, which in turn affected the behavior of the cell on these surfaces. Both microns and nano-level topography were achieved through the optimized parameters of acid etching on Ti6Al4V ELI alloy dental implant surface along with improved roughness, hydrophilicity, and enhanced cytocompatibility.
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Affiliation(s)
- Pankaj Chauhan
- Mechanical Engineering Department, Indian Institute of Technology, Delhi 110016, India;
- Centre for Biomedical Engineering, Indian Institute of Technology, Delhi 110016, India;
| | - Veena Koul
- Centre for Biomedical Engineering, Indian Institute of Technology, Delhi 110016, India;
| | - Naresh Bhatnagar
- Mechanical Engineering Department, Indian Institute of Technology, Delhi 110016, India;
- Correspondence:
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30
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Li X, Klausen LH, Zhang W, Jahed Z, Tsai CT, Li TL, Cui B. Nanoscale Surface Topography Reduces Focal Adhesions and Cell Stiffness by Enhancing Integrin Endocytosis. Nano Lett 2021; 21:8518-8526. [PMID: 34346220 PMCID: PMC8516714 DOI: 10.1021/acs.nanolett.1c01934] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Both substrate stiffness and surface topography regulate cell behavior through mechanotransduction signaling pathways. Such intertwined effects suggest that engineered surface topographies might substitute or cancel the effects of substrate stiffness in biomedical applications. However, the mechanisms by which cells recognize topographical features are not fully understood. Here we demonstrate that the presence of nanotopography drastically alters cell behavior such that neurons and stem cells cultured on rigid glass substrates behave as if they were on soft hydrogels. With atomic force microscopy, we show that rigid nanotopography resembles the effects of soft hydrogels in reducing cell stiffness and membrane tension. Further, we reveal that nanotopography reduces focal adhesions and cell stiffness by enhancing the endocytosis and the subsequent removal of integrin receptors. This mechanistic understanding will support the rational design of nanotopography that directs cells on rigid materials to behave as if they were on soft ones.
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Affiliation(s)
- Xiao Li
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Lasse H Klausen
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Wei Zhang
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Zeinab Jahed
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Ching-Ting Tsai
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Thomas L Li
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Bianxiao Cui
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
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31
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Dabare PRL, Bachhuka A, Visalakshan RM, Shirazi HS, Ostriko K, Smith LE, Vasilev K. Mechanistic Insight in Surface Nanotopography Driven Cellular Migration. ACS Biomater Sci Eng 2021; 7:4921-4932. [PMID: 34477378 DOI: 10.1021/acsbiomaterials.1c00853] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Cellular migration plays a vital role in many physiological processes. To elucidate the role of surface nanotopography on the downstream signaling pathways underlying cell migration, model surfaces having well-defined hill-like surface nanotopography and uniform surface chemistry were designed and implemented using plasma polymerization and covalent attachment of nanoparticles of predetermined size. A scratch wound assay, immunostaining, and gene expression of focal adhesion (FA) proteins were performed to determine the influence of surface nanotopography on cell migration. The results of this study demonstrate that the gap closure between cell monolayers is faster on surfaces having greater nanoscale topography. The phenomenon is predominantly driven by cell migration and was independent from cell proliferation. Qualitative and quantitative assessment of proteins involved in the signaling pathways underlying cell migration showed significant modulation by surface nanotopography. Specifically, focal adhesion sites decreased with the increase in surface nanotopography scale while the expression of FA proteins increased. This implies that nanotopography mediated modulation of cell migration is directly governed by the recruitment of receptor and adapter proteins responsible for cell-surface interaction. The results of this study indicate that biomaterial devices and constructs having rationally designed surface nanotopography and chemistry could be utilized to regulate wound healing and tissue regeneration.
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Affiliation(s)
| | - Akash Bachhuka
- UniSA STEM, University of South Australia, Mawson Lakes, South Australia 5095, Australia
| | - Rahul M Visalakshan
- UniSA STEM, University of South Australia, Mawson Lakes, South Australia 5095, Australia
| | - Hanieh S Shirazi
- UniSA STEM, University of South Australia, Mawson Lakes, South Australia 5095, Australia
| | - Kostya Ostriko
- School of Chemistry and Physics, Centre for Materials Science and Centre for Biomedical Technologies, Queensland University of Technology, Brisbane, Queensland 4000, Australia
| | - Louise E Smith
- Future Industries Institute, University of South Australia, Mawson Lakes, South Australia 5095, Australia
| | - Krasimir Vasilev
- UniSA STEM, University of South Australia, Mawson Lakes, South Australia 5095, Australia.,Future Industries Institute, University of South Australia, Mawson Lakes, South Australia 5095, Australia
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32
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Gulumian M, Andraos C, Afantitis A, Puzyn T, Coville NJ. Importance of Surface Topography in Both Biological Activity and Catalysis of Nanomaterials: Can Catalysis by Design Guide Safe by Design? Int J Mol Sci 2021; 22:8347. [PMID: 34361117 DOI: 10.3390/ijms22158347] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 06/07/2021] [Accepted: 06/15/2021] [Indexed: 12/28/2022] Open
Abstract
It is acknowledged that the physicochemical properties of nanomaterials (NMs) have an impact on their toxicity and, eventually, their pathogenicity. These properties may include the NMs’ surface chemical composition, size, shape, surface charge, surface area, and surface coating with ligands (which can carry different functional groups as well as proteins). Nanotopography, defined as the specific surface features at the nanoscopic scale, is not widely acknowledged as an important physicochemical property. It is known that the size and shape of NMs determine their nanotopography which, in turn, determines their surface area and their active sites. Nanotopography may also influence the extent of dissolution of NMs and their ability to adsorb atoms and molecules such as proteins. Consequently, the surface atoms (due to their nanotopography) can influence the orientation of proteins as well as their denaturation. However, although it is of great importance, the role of surface topography (nanotopography) in nanotoxicity is not much considered. Many of the issues that relate to nanotopography have much in common with the fundamental principles underlying classic catalysis. Although these were developed over many decades, there have been recent important and remarkable improvements in the development and study of catalysts. These have been brought about by new techniques that have allowed for study at the nanoscopic scale. Furthermore, the issue of quantum confinement by nanosized particles is now seen as an important issue in studying nanoparticles (NPs). In catalysis, the manipulation of a surface to create active surface sites that enhance interactions with external molecules and atoms has much in common with the interaction of NP surfaces with proteins, viruses, and bacteria with the same active surface sites of NMs. By reviewing the role that surface nanotopography plays in defining many of the NMs’ surface properties, it reveals the need for its consideration as an important physicochemical property in descriptive and predictive toxicology. Through the manipulation of surface topography, and by using principles developed in catalysis, it may also be possible to make safe-by-design NMs with a reduction of the surface properties which contribute to their toxicity.
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33
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Wähnert D, Greiner J, Brianza S, Kaltschmidt C, Vordemvenne T, Kaltschmidt B. Strategies to Improve Bone Healing: Innovative Surgical Implants Meet Nano-/Micro-Topography of Bone Scaffolds. Biomedicines 2021; 9:746. [PMID: 34203437 DOI: 10.3390/biomedicines9070746] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 06/23/2021] [Accepted: 06/24/2021] [Indexed: 12/17/2022] Open
Abstract
Successful fracture healing is dependent on an optimal mechanical and biological environment at the fracture site. Disturbances in fracture healing (non-union) or even critical size bone defects, where void volume is larger than the self-healing capacity of bone tissue, are great challenges for orthopedic surgeons. To address these challenges, new surgical implant concepts have been recently developed to optimize mechanical conditions. First, this review article discusses the mechanical environment on bone and fracture healing. In this context, a new implant concept, variable fixation technology, is introduced. This implant has the unique ability to change its mechanical properties from “rigid” to “dynamic” over the time of fracture healing. This leads to increased callus formation, a more homogeneous callus distribution and thus improved fracture healing. Second, recent advances in the nano- and micro-topography of bone scaffolds for guiding osteoinduction will be reviewed, particularly emphasizing the mimicry of natural bone. We summarize that an optimal scaffold should comprise micropores of 50–150 µm diameter allowing vascularization and migration of stem cells as well as nanotopographical osteoinductive cues, preferably pores of 30 nm diameter. Next to osteoinduction, such nano- and micro-topographical cues may also reduce inflammation and possess an antibacterial activity to further promote bone regeneration.
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34
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Vinzons LU, Lin SP. Facile fabrication of ordered discontinuous nanotopography on photosensitive substrates for enhanced neuronal differentiation. Nanotechnology 2021; 32:365301. [PMID: 34015777 DOI: 10.1088/1361-6528/ac0381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Accepted: 05/20/2021] [Indexed: 06/12/2023]
Abstract
Controlling the development and morphology of neurons is important for basic neuroscience research as well as for applications in nerve regeneration and neural interfaces. Various studies have shown that nanoscale topographies can promote the development of neuronal cells and the differentiation of neural stem cells; however, the fabrication of these nanotopographical features often involves expensive and sophisticated techniques. Here, we employ nanosphere lens lithography combined with UV-LED technology to create nanopatterns on an SU-8 photoresist. We develop a facile method to create a reusable polystyrene nanosphere (PS-NS) lens array by the spontaneous formation of a hexagonal close-packed array of PS-NSs at a water-air interface and its subsequent transfer to a polydimethylsiloxane carrier film without using any special equipment. We show that this simple technique can create ordered arrays of nanodots on an SU-8 film, the dimensions of which can be controlled by the size of the PS-NSs. When used as a substrate for the neuronal differentiation of pheochromocytoma (PC12) cells, the nanopatterned SU-8 films exhibit enhanced differentiation parameters with respect to conventional tissue culture plastic as compared with their flat counterparts. The method proposed here can greatly facilitate the nanopatterning of various photosensitive substrates for the development of implants for nerve regeneration and neural interfacing.
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Affiliation(s)
- Lester U Vinzons
- PhD Program in Tissue Engineering and Regenerative Medicine, National Chung Hsing University, Taichung 402, Taiwan
| | - Shu-Ping Lin
- Graduate Institute of Biomedical Engineering, National Chung Hsing University, Taichung 402, Taiwan
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35
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Loye AM, Kwon HK, Dellal D, Ojeda R, Lee S, Davis R, Nagle N, Doukas PG, Schroers J, Lee FY, Kyriakides TR. Biocompatibility of platinum-based bulk metallic glass in orthopedic applications. Biomed Mater 2021; 16. [PMID: 33873168 DOI: 10.1088/1748-605x/abf981] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 04/19/2021] [Indexed: 01/19/2023]
Abstract
Bulk metallic glasses (BMGs) are a class of amorphous metals that exhibit high strength, ductility paired with wear and corrosion resistance. These properties suggest that they could serve as an alternative to conventional metallic implants that suffer wear and failure. In the present study, we investigated Platinum (Pt)-BMG biocompatibility in bone applications. Specifically, we investigated osteoclast formation on flat and nanopatterned Pt57.5Cu14.7Ni5.3P22.5(atomic percent) as well as titanium (control). Specifically, receptor activator of NF-κB (RANK) ligand-induced murine bone marrow derived mononuclear cell fusion was measured on multiple nanopatterns and was found to be reduced on nanorods (80 and 200 nm in diameter) and was associated with reduced tartrate-resistant acid phosphatase (TRAP) and matrix metalloproteinase (MMP9) expression. Evaluation of mesenchymal stem cell (MSC) to osteoblast differentiation on nanopatterned Pt-BMG showed significant reduction in comparison to flat, suggesting that further exploration of nanopatterns is required to have simultaneous induction of osteoblasts and inhibition of osteoclasts.Invivo studies were also pursued to evaluate the biocompatibility of Pt-BMG in comparison to titanium. Rods of each material were implanted in the femurs of mice and evaluated by x-ray, mechanical testing, micro-computed tomography (micro-CT), and histological analysis. Overall, Pt-BMG showed similar biocompatibility with titanium suggesting that it has the potential to improve outcomes by further processing at the nanoscale.
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Affiliation(s)
- Ayomiposi M Loye
- Department of Biomedical Engineering, Yale University, New Haven, CT 06520, United States of America
| | - Hyuk-Kwon Kwon
- Department of Orthopaedics and Rehabilitation, Yale University, New Haven, CT 06520, United States of America
| | - David Dellal
- Department of Biomedical Engineering, Yale University, New Haven, CT 06520, United States of America
| | - Rodrigo Ojeda
- Department of Mechanical Engineering and Materials Science, Yale University, New Haven, CT 06520, United States of America
| | - Sangmin Lee
- Department of Pathology, Yale University, P.O. Box 208089, New Haven, CT 06520, United States of America
| | - Rose Davis
- Department of Molecular, Cellular and Developmental Biology, Yale University, New Haven, CT 06520, United States of America
| | - Natalie Nagle
- Department of Biomedical Engineering, Yale University, New Haven, CT 06520, United States of America
| | - Panagiotis G Doukas
- Department of Biomedical Engineering, Yale University, New Haven, CT 06520, United States of America
| | - Jan Schroers
- Department of Mechanical Engineering and Materials Science, Yale University, New Haven, CT 06520, United States of America
| | - Francis Y Lee
- Department of Orthopaedics and Rehabilitation, Yale University, New Haven, CT 06520, United States of America
| | - Themis R Kyriakides
- Department of Biomedical Engineering, Yale University, New Haven, CT 06520, United States of America.,Department of Pathology, Yale University, P.O. Box 208089, New Haven, CT 06520, United States of America
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36
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Jing L, Wang X, Leng B, Zhan N, Liu H, Wang S, Lu Y, Sun J, Huang D. Engineered Nanotopography on the Microfibers of 3D-Printed PCL Scaffolds to Modulate Cellular Responses and Establish an In Vitro Tumor Model. ACS Appl Bio Mater 2021; 4:1381-1394. [PMID: 35014489 DOI: 10.1021/acsabm.0c01243] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Scaffold-based three-dimensional (3D) cell culture systems have gained increased interest in cell biology, tissue engineering, and drug screening fields as a replacement of two-dimensional (2D) monolayer cell culture and as a way to provide biomimetic extracellular matrix environments. In this study, microscale fibrous scaffolds were fabricated via electrohydrodynamic printing, and nanoscale features were created on the fiber surface by simply leaching gliadin of poly(ε-caprolactone) (PCL)/gliadin composites in ethanol solution. The microstructure of the printed scaffolds could be precisely controlled by printing parameters, and the surface nanotopography of the printed fiber could be tuned by varying the PCL/gliadin ratios. By seeding mouse embryonic fibroblast (NIH/3T3) cells and human nonsmall cell lung cancer (A549) cells on the printed scaffolds, the cellular responses showed that the fiber nanotopography on printed scaffolds efficiently favored cell adhesion, migration, proliferation, and tissue formation. Quantitative analysis of the transcript expression levels of A549 cells seeded on nanoporous scaffolds further revealed the upregulation of integrin-β1, focal adhesion kinase, Ki-67, E-cadherin, and epithelial growth factor receptors over what was observed in the cells grown on the pure PCL scaffold. Furthermore, a significant difference was found in the relevant biomarker expression on the developed scaffolds compared with that in the monolayer culture, demonstrating the potential of cancer cell-seeded scaffolds as 3D in vitro tumor models for cancer research and drug screening.
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Affiliation(s)
- Linzhi Jing
- National University of Singapore (Suzhou) Research Institute, 377 Linquan Street, Suzhou, Jiangsu 215123, China.,Department of Food Science and Technology, National University of Singapore, 3 Science Drive 2, 117542, Singapore
| | - Xiang Wang
- National University of Singapore (Suzhou) Research Institute, 377 Linquan Street, Suzhou, Jiangsu 215123, China
| | - Bin Leng
- Department of Food Science and Technology, National University of Singapore, 3 Science Drive 2, 117542, Singapore
| | - Ningping Zhan
- Department of Food Science and Technology, National University of Singapore, 3 Science Drive 2, 117542, Singapore
| | - Hang Liu
- National University of Singapore (Suzhou) Research Institute, 377 Linquan Street, Suzhou, Jiangsu 215123, China.,Department of Food Science and Technology, National University of Singapore, 3 Science Drive 2, 117542, Singapore
| | - Shifei Wang
- Department of Food Science and Technology, National University of Singapore, 3 Science Drive 2, 117542, Singapore
| | - Yuyun Lu
- Department of Food Science and Technology, National University of Singapore, 3 Science Drive 2, 117542, Singapore
| | - Jie Sun
- Department of Mechatronics and Robotics, Xi'an Jiaotong-Liverpool University, 111 Ren'ai Road, Suzhou, Jiangsu 215123, China
| | - Dejian Huang
- National University of Singapore (Suzhou) Research Institute, 377 Linquan Street, Suzhou, Jiangsu 215123, China.,Department of Food Science and Technology, National University of Singapore, 3 Science Drive 2, 117542, Singapore
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37
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Tai CS, Lan KC, Wang E, Chan FE, Hsieh MT, Huang CW, Weng SL, Chen PC, Chen WL. Nanotopography as Artificial Microenvironment for Accurate Visualization of Metastasis Development via Simulation of ECM Dynamics. Nano Lett 2021; 21:1400-1411. [PMID: 33522822 DOI: 10.1021/acs.nanolett.0c04209] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Metastatic progression is mediated by complex interactions between deregulated extracellular matrix (ECM) and cancer cells and remains a major challenge in cancer management. To investigate the role of ECM dynamics in promoting metastasis development, we developed an artificial microenvironment (AME) platform comprised of nanodot arrays of increasing diameter. Cells cultured on the platform showed increasing signs of mesenchymal-like cell transition as AME diameter increased, suggesting accurate simulation of ECM-mediated gene regulation. Gene expression was analyzed to determine genes significant to transition, which were then used to select appropriate small molecule drugs for time course treatments. Our results suggest that the platform can identify critical target genes as well as possible drug candidates. Overall, the AME platform allows for the study of intricate ECM-induced gene expression trends across metastasis development that would otherwise be difficult to visualize in vivo and may open new avenues toward successful personalized cancer management.
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Affiliation(s)
- Chun-San Tai
- Department of Biological Science and Technology, College of Biological Science and Technology, National Chiao Tung University, Hsinchu, Taiwan
- Institute of Molecular Medicine and Bioengineering, National Chiao Tung University, Hsinchu, Taiwan
| | - Kuan-Chun Lan
- Department of Biological Science and Technology, College of Biological Science and Technology, National Chiao Tung University, Hsinchu, Taiwan
- Institute of Molecular Medicine and Bioengineering, National Chiao Tung University, Hsinchu, Taiwan
| | - Erick Wang
- Department of Biological Science and Technology, College of Biological Science and Technology, National Chiao Tung University, Hsinchu, Taiwan
| | - Fu-Erh Chan
- Department of Materials and Mineral Resources Engineering, National Taipei University of Technology, Taipei, Taiwan
| | - Ming-Ting Hsieh
- Department of Materials and Mineral Resources Engineering, National Taipei University of Technology, Taipei, Taiwan
| | - Ching-Wen Huang
- Department of Biological Science and Technology, College of Biological Science and Technology, National Chiao Tung University, Hsinchu, Taiwan
- Division of Thoracic Surgery, Department of Surgery, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
| | - Shun-Long Weng
- Department of Medicine, MacKay Medical College, New Taipei City, Taiwan
- Department of Obstetrics and Gynecology, Hsinchu MacKay Memorial Hospital, Hsinchu City, Taiwan
| | - Po-Chun Chen
- Department of Materials and Mineral Resources Engineering, National Taipei University of Technology, Taipei, Taiwan
- Institute of Material Science and Engineering, National Taipei University of Technology, Taipei, Taiwan
| | - Wen Liang Chen
- Department of Biological Science and Technology, College of Biological Science and Technology, National Chiao Tung University, Hsinchu, Taiwan
- Center for Intelligent Drug Systems and Smart Bio-devices (IDS2B), National Chiao Tung University, Hsinchu, Taiwan
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38
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Kim D, Gwon Y, Park S, Kim W, Yun K, Kim J. Eggshell membrane as a bioactive agent in polymeric nanotopographic scaffolds for enhanced bone regeneration. Biotechnol Bioeng 2021; 118:1862-1875. [PMID: 33527343 DOI: 10.1002/bit.27702] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 01/19/2021] [Accepted: 01/23/2021] [Indexed: 12/21/2022]
Abstract
A bone regeneration scaffold is typically designed as a platform to effectively heal a bone defect while preventing soft tissue infiltration. Despite the wide variety of scaffold materials currently available, such as collagen, critical problems in achieving bone regeneration remain, including a rapid absorption period and low tensile strength as well as high costs. Inspired by extracellular matrix protein and topographical cues, we developed a polycaprolactone-based scaffold for bone regeneration using a soluble eggshell membrane protein (SEP) coating and a nanotopography structure for enhancing the physical properties and bioactivity. The scaffold exhibited adequate flexibility and mechanical strength as a biomedical platform for bone regeneration. The highly aligned nanostructures and SEP coating were found to regulate and enhance cell morphology, adhesion, proliferation, and differentiation in vitro. In a calvaria bone defect mouse model, the scaffolds coated with SEP applied to the defect site promoted bone regeneration along the direction of the nanotopography in vivo. These findings demonstrate that bone-inspired nanostructures and SEP coatings have high potential to be applicable in the design and manipulation of scaffolds for bone regeneration.
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Affiliation(s)
- Daun Kim
- Department of Rural and Biosystems Engineering, Chonnam National University, Gwangju, Republic of Korea
| | - Yonghyun Gwon
- Department of Rural and Biosystems Engineering, Chonnam National University, Gwangju, Republic of Korea.,Interdisciplinary Program in IT-Bio Convergence System, Chonnam National University, Gwangju, Republic of Korea
| | - Sunho Park
- Department of Rural and Biosystems Engineering, Chonnam National University, Gwangju, Republic of Korea.,Interdisciplinary Program in IT-Bio Convergence System, Chonnam National University, Gwangju, Republic of Korea
| | - Woochan Kim
- Department of Rural and Biosystems Engineering, Chonnam National University, Gwangju, Republic of Korea.,Interdisciplinary Program in IT-Bio Convergence System, Chonnam National University, Gwangju, Republic of Korea
| | - Kwidug Yun
- Department of Prosthodontics, School of Dentistry, Chonnam National University, Gwangju, Republic of Korea
| | - Jangho Kim
- Department of Rural and Biosystems Engineering, Chonnam National University, Gwangju, Republic of Korea.,Interdisciplinary Program in IT-Bio Convergence System, Chonnam National University, Gwangju, Republic of Korea
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39
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Grudzień J, Jarosz M, Kamiński K, Kobasa M, Wolski K, Kozieł M, Pisarek M, Sulka GD. Growth of Lactic Acid Bacteria on Gold-Influence of Surface Roughness and Chemical Composition. Nanomaterials (Basel) 2020; 10:E2499. [PMID: 33322124 DOI: 10.3390/nano10122499] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 12/11/2020] [Accepted: 12/11/2020] [Indexed: 02/08/2023]
Abstract
The main focus of this work was to establish a correlation between surface topography and chemistry and surface colonization by lactic acid bacteria. For this reason, we chose gold substrates with different surface architectures (i.e., smooth and nanorough) that were characterized by atomic force microscopy (AFM), electron scanning microscopy (SEM), and X-ray diffractometry (XRD). Moreover, to enhance biocompatibility, we modified gold substrates with polymeric monolayers, namely cationic dextran derivatives with different molar masses. The presence of those layers was confirmed by AFM, infrared spectroscopy (IR), and X-ray photoelectron spectroscopy (XPS). In order to determine the adhesion abilities of non-modified and modified gold surfaces, we tested three lactic acid bacteria (LAB) strains (i.e., Lactobacillus rhamnosus GG, Lactobacillus acidophilus, and Lactobacillus plantarum 299v). We have shown that surface roughness influences the surface colonization of bacteria, and the most significant impact on the growth was observed for the Lactobacillus rhamnosus GG strain. What is more, covering the gold surface with a molecular polymeric film by using the layer-by-layer (LbL) method allows additional changes in the bacterial growth, independently on the used strain. The well-being of the bacteria cells on tested surfaces was confirmed by using selective staining and fluorescence microscopy. Finally, we have determined the bacterial metabolic activity by measuring the amount of produced lactic acid regarding the growth conditions. The obtained results proved that the adhesion of bacteria to the metallic surface depends on the chemistry and topography of the surface, as well as the specific bacteria strain.
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40
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de Barros e Lima Bueno R, Ponce KJ, Dias AP, Guadarrama Bello D, Brunski JB, Nanci A. Influence of Nanotopography on Early Bone Healing during Controlled Implant Loading. Nanomaterials (Basel) 2020; 10:nano10112191. [PMID: 33153132 PMCID: PMC7693286 DOI: 10.3390/nano10112191] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 10/27/2020] [Accepted: 10/28/2020] [Indexed: 12/12/2022]
Abstract
Nanoscale surface modifications influence peri-implant cell fate decisions and implant loading generates local tissue deformation, both of which will invariably impact bone healing. The objective of this study is to determine how loading affects healing around implants with nanotopography. Implants with a nanoporous surface were placed in over-sized osteotomies in rat tibiae and held stable by a system that permits controlled loading. Three regimens were applied: (a) no loading, (b) one daily loading session with a force of 1.5N, and (c) two such daily sessions. At 7 days post implantation, animals were sacrificed for histomorphometric and DNA microarray analyses. Implants subjected to no loading or only one daily loading session achieved high bone-implant contact (BIC), bone-implant distance (BID) and bone formation area near the implant (BFAt) values, while those subjected to two daily loading sessions showed less BFAt and BIC and more BID. Gene expression profiles differed between all groups mainly in unidentified genes, and no modulation of genes associated with inflammatory pathways was detected. These results indicate that implants with nanotopography can achieve a high level of bone formation even under micromotion and limit the inflammatory response to the implant surface.
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Affiliation(s)
- Renan de Barros e Lima Bueno
- Laboratory for the Study of Calcified Tissues and Biomaterials, Department of Stomatology, Faculty of Dental Medicine, Université de Montréal, Montréal, QC H3C3J7, Canada; (R.d.B.e.L.B.); (K.J.P.); (A.P.D.); (D.G.B.)
| | - Katia J. Ponce
- Laboratory for the Study of Calcified Tissues and Biomaterials, Department of Stomatology, Faculty of Dental Medicine, Université de Montréal, Montréal, QC H3C3J7, Canada; (R.d.B.e.L.B.); (K.J.P.); (A.P.D.); (D.G.B.)
| | - Ana Paula Dias
- Laboratory for the Study of Calcified Tissues and Biomaterials, Department of Stomatology, Faculty of Dental Medicine, Université de Montréal, Montréal, QC H3C3J7, Canada; (R.d.B.e.L.B.); (K.J.P.); (A.P.D.); (D.G.B.)
| | - Dainelys Guadarrama Bello
- Laboratory for the Study of Calcified Tissues and Biomaterials, Department of Stomatology, Faculty of Dental Medicine, Université de Montréal, Montréal, QC H3C3J7, Canada; (R.d.B.e.L.B.); (K.J.P.); (A.P.D.); (D.G.B.)
| | - John B. Brunski
- Department of Surgery, School of Medicine, Stanford University, Stanford, CA 94305, USA;
| | - Antonio Nanci
- Laboratory for the Study of Calcified Tissues and Biomaterials, Department of Stomatology, Faculty of Dental Medicine, Université de Montréal, Montréal, QC H3C3J7, Canada; (R.d.B.e.L.B.); (K.J.P.); (A.P.D.); (D.G.B.)
- Department of Biochemistry and Molecular Medicine, Faculty of Medicine, Université de Montréal, Montréal, QC H3C3J7, Canada
- Correspondence: ; Tel.: +1514-343-5846
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41
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Huang X, Shi X, Hansen ME, Setiady I, Nemeth CL, Celli A, Huang B, Mauro T, Koval M, Desai TA. Nanotopography Enhances Dynamic Remodeling of Tight Junction Proteins through Cytosolic Liquid Complexes. ACS Nano 2020; 14:13192-13202. [PMID: 32940450 DOI: 10.1101/858118] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Nanotopographic materials provide special biophysical stimuli that can regulate epithelial tight junctions and their barrier function. Through the use of total internal reflection fluorescence microscopy of live cells, we demonstrated that contact of synthetic surfaces with defined nanotopography at the apical surface of epithelial monolayers increased paracellular permeability of macromolecules. To monitor changes in tight junction morphology in live cells, we fluorescently tagged the scaffold protein zonula occludens-1 (ZO-1) through CRISPR/Cas9-based gene editing to enable live cell tracking of ZO-1 expressed at physiologic levels. Contact between cells and nanostructured surfaces destabilized junction-associated ZO-1 and promoted its arrangement into highly dynamic liquid cytosolic complexes with a 1-5 μm diameter. Junction-associated ZO-1 rapidly remodeled, and we observed the direct transformation of cytosolic complexes into junction-like structures. Claudin-family tight junction transmembrane proteins and F-actin also were associated with these ZO-1 containing cytosolic complexes. These data suggest that these cytosolic structures are important intermediates formed in response to nanotopographic cues that facilitate rapid tight junction remodeling in order to regulate paracellular permeability.
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Affiliation(s)
- Xiao Huang
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, California 94158, United States
| | - Xiaoyu Shi
- Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco, California 94158, United States
- Department of Developmental and Cell Biology, University of California, Irvine, Irvine, California 92697, United States
| | - Mollie Eva Hansen
- UC Berkeley-UCSF Graduate Program in Bioengineering, University of California, San Francisco, San Francisco, California 94158, United States
| | - Initha Setiady
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, California 94158, United States
| | - Cameron L Nemeth
- UC Berkeley-UCSF Graduate Program in Bioengineering, University of California, San Francisco, San Francisco, California 94158, United States
| | - Anna Celli
- Department of Dermatology, University of California, San Francisco, San Francisco, California 94158, United States
| | - Bo Huang
- Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco, California 94158, United States
- Department of Biochemistry and Biophysics, University of California, San Francisco, San Francisco, California 94158, United States
- Chan Zuckerberg Biohub, San Francisco, California 94158, United States
| | - Theodora Mauro
- Department of Dermatology, University of California, San Francisco, San Francisco, California 94158, United States
| | - Michael Koval
- Division of Pulmonary, Allergy, and Critical Care Medicine and Department of Cell Biology, Emory University School of Medicine, Atlanta, Georgia 30322, United States
| | - Tejal A Desai
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, California 94158, United States
- UC Berkeley-UCSF Graduate Program in Bioengineering, University of California, San Francisco, San Francisco, California 94158, United States
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Huang X, Shi X, Hansen ME, Setiady I, Nemeth CL, Celli A, Huang B, Mauro T, Koval M, Desai TA. Nanotopography Enhances Dynamic Remodeling of Tight Junction Proteins through Cytosolic Liquid Complexes. ACS Nano 2020; 14:13192-13202. [PMID: 32940450 PMCID: PMC7606830 DOI: 10.1021/acsnano.0c04866] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Nanotopographic materials provide special biophysical stimuli that can regulate epithelial tight junctions and their barrier function. Through the use of total internal reflection fluorescence microscopy of live cells, we demonstrated that contact of synthetic surfaces with defined nanotopography at the apical surface of epithelial monolayers increased paracellular permeability of macromolecules. To monitor changes in tight junction morphology in live cells, we fluorescently tagged the scaffold protein zonula occludens-1 (ZO-1) through CRISPR/Cas9-based gene editing to enable live cell tracking of ZO-1 expressed at physiologic levels. Contact between cells and nanostructured surfaces destabilized junction-associated ZO-1 and promoted its arrangement into highly dynamic liquid cytosolic complexes with a 1-5 μm diameter. Junction-associated ZO-1 rapidly remodeled, and we observed the direct transformation of cytosolic complexes into junction-like structures. Claudin-family tight junction transmembrane proteins and F-actin also were associated with these ZO-1 containing cytosolic complexes. These data suggest that these cytosolic structures are important intermediates formed in response to nanotopographic cues that facilitate rapid tight junction remodeling in order to regulate paracellular permeability.
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Affiliation(s)
- Xiao Huang
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, California 94158, United States
| | - Xiaoyu Shi
- Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco, California 94158, United States
- Department of Developmental and Cell Biology, University of California, Irvine, Irvine, California 92697, United States
| | - Mollie Eva Hansen
- UC Berkeley-UCSF Graduate Program in Bioengineering, University of California, San Francisco, San Francisco, California 94158, United States
| | - Initha Setiady
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, California 94158, United States
| | - Cameron L Nemeth
- UC Berkeley-UCSF Graduate Program in Bioengineering, University of California, San Francisco, San Francisco, California 94158, United States
| | - Anna Celli
- Department of Dermatology, University of California, San Francisco, San Francisco, California 94158, United States
| | - Bo Huang
- Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco, California 94158, United States
- Department of Biochemistry and Biophysics, University of California, San Francisco, San Francisco, California 94158, United States
- Chan Zuckerberg Biohub, San Francisco, California 94158, United States
| | - Theodora Mauro
- Department of Dermatology, University of California, San Francisco, San Francisco, California 94158, United States
| | - Michael Koval
- Division of Pulmonary, Allergy, and Critical Care Medicine and Department of Cell Biology, Emory University School of Medicine, Atlanta, Georgia 30322, United States
| | - Tejal A Desai
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, California 94158, United States
- UC Berkeley-UCSF Graduate Program in Bioengineering, University of California, San Francisco, San Francisco, California 94158, United States
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Ye G, Bao F, Zhang X, Song Z, Liao Y, Fei Y, Bunpetch V, Heng BC, Shen W, Liu H, Zhou J, Ouyang H. Nanomaterial-based scaffolds for bone tissue engineering and regeneration. Nanomedicine (Lond) 2020; 15:1995-2017. [PMID: 32812486 DOI: 10.2217/nnm-2020-0112] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The global incidence of bone tissue injuries has been increasing rapidly in recent years, making it imperative to develop suitable bone grafts for facilitating bone tissue regeneration. It has been demonstrated that nanomaterials/nanocomposites scaffolds can more effectively promote new bone tissue formation compared with micromaterials. This may be attributed to their nanoscaled structural and topological features that better mimic the physiological characteristics of natural bone tissue. In this review, we examined the current applications of various nanomaterial/nanocomposite scaffolds and different topological structures for bone tissue engineering, as well as the underlying mechanisms of regeneration. The potential risks and toxicity of nanomaterials will also be critically discussed. Finally, some considerations for the clinical applications of nanomaterials/nanocomposites scaffolds for bone tissue engineering are mentioned.
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Affiliation(s)
- Guo Ye
- Dr Li Dak Sum & Yip Yio Chin Center for Stem Cells & Regenerative Medicine & Department of Orthopedic Surgery of The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, PR China.,Zhejiang University-University of Edinburgh Institute, Zhejiang University School of Medicine & Key Laboratory of Tissue Engineering & Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, PR China
| | - Fangyuan Bao
- Dr Li Dak Sum & Yip Yio Chin Center for Stem Cells & Regenerative Medicine & Department of Orthopedic Surgery of The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, PR China.,Zhejiang University-University of Edinburgh Institute, Zhejiang University School of Medicine & Key Laboratory of Tissue Engineering & Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, PR China
| | - Xianzhu Zhang
- Dr Li Dak Sum & Yip Yio Chin Center for Stem Cells & Regenerative Medicine & Department of Orthopedic Surgery of The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, PR China.,Zhejiang University-University of Edinburgh Institute, Zhejiang University School of Medicine & Key Laboratory of Tissue Engineering & Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, PR China
| | - Zhe Song
- Dr Li Dak Sum & Yip Yio Chin Center for Stem Cells & Regenerative Medicine & Department of Orthopedic Surgery of The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, PR China.,Zhejiang University-University of Edinburgh Institute, Zhejiang University School of Medicine & Key Laboratory of Tissue Engineering & Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, PR China
| | - Youguo Liao
- Dr Li Dak Sum & Yip Yio Chin Center for Stem Cells & Regenerative Medicine & Department of Orthopedic Surgery of The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, PR China.,Zhejiang University-University of Edinburgh Institute, Zhejiang University School of Medicine & Key Laboratory of Tissue Engineering & Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, PR China
| | - Yang Fei
- Dr Li Dak Sum & Yip Yio Chin Center for Stem Cells & Regenerative Medicine & Department of Orthopedic Surgery of The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, PR China
| | - Varitsara Bunpetch
- Dr Li Dak Sum & Yip Yio Chin Center for Stem Cells & Regenerative Medicine & Department of Orthopedic Surgery of The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, PR China.,Zhejiang University-University of Edinburgh Institute, Zhejiang University School of Medicine & Key Laboratory of Tissue Engineering & Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, PR China
| | - Boon Chin Heng
- School of Stomatology, Peking University, Beijing, PR China
| | - Weiliang Shen
- Dr Li Dak Sum & Yip Yio Chin Center for Stem Cells & Regenerative Medicine & Department of Orthopedic Surgery of The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, PR China.,Zhejiang University-University of Edinburgh Institute, Zhejiang University School of Medicine & Key Laboratory of Tissue Engineering & Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, PR China.,Department of Sports Medicine, Zhejiang University School of Medicine, Hangzhou, PR China.,China Orthopedic Regenerative Medicine Group (CORMed), Hangzhou, PR China
| | - Hua Liu
- Dr Li Dak Sum & Yip Yio Chin Center for Stem Cells & Regenerative Medicine & Department of Orthopedic Surgery of The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, PR China.,Zhejiang University-University of Edinburgh Institute, Zhejiang University School of Medicine & Key Laboratory of Tissue Engineering & Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, PR China.,China Orthopedic Regenerative Medicine Group (CORMed), Hangzhou, PR China
| | - Jing Zhou
- Dr Li Dak Sum & Yip Yio Chin Center for Stem Cells & Regenerative Medicine & Department of Orthopedic Surgery of The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, PR China.,Zhejiang University-University of Edinburgh Institute, Zhejiang University School of Medicine & Key Laboratory of Tissue Engineering & Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, PR China.,China Orthopedic Regenerative Medicine Group (CORMed), Hangzhou, PR China
| | - Hongwei Ouyang
- Dr Li Dak Sum & Yip Yio Chin Center for Stem Cells & Regenerative Medicine & Department of Orthopedic Surgery of The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, PR China.,Zhejiang University-University of Edinburgh Institute, Zhejiang University School of Medicine & Key Laboratory of Tissue Engineering & Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, PR China.,Department of Sports Medicine, Zhejiang University School of Medicine, Hangzhou, PR China.,China Orthopedic Regenerative Medicine Group (CORMed), Hangzhou, PR China
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Domínguez-Bajo A, Rodilla BL, Calaresu I, Arché-Núñez A, González-Mayorga A, Scaini D, Pérez L, Camarero J, Miranda R, López-Dolado E, González MT, Ballerini L, Serrano MC. Interfacing Neurons with Nanostructured Electrodes Modulates Synaptic Circuit Features. ACTA ACUST UNITED AC 2020; 4:e2000117. [PMID: 32761896 DOI: 10.1002/adbi.202000117] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Revised: 07/16/2020] [Indexed: 12/13/2022]
Abstract
Understanding neural physiopathology requires advances in nanotechnology-based interfaces, engineered to monitor the functional state of mammalian nervous cells. Such interfaces typically contain nanometer-size features for stimulation and recording as in cell-non-invasive extracellular microelectrode arrays. In such devices, it turns crucial to understand specific interactions of neural cells with physicochemical features of electrodes, which could be designed to optimize performance. Herein, versatile flexible nanostructured electrodes covered by arrays of metallic nanowires are fabricated and used to investigate the role of chemical composition and nanotopography on rat brain cells in vitro. By using Au and Ni as exemplary materials, nanostructure and chemical composition are demonstrated to play major roles in the interaction of neural cells with electrodes. Nanostructured devices are interfaced to rat embryonic cortical cells and postnatal hippocampal neurons forming synaptic circuits. It is shown that Au-based electrodes behave similarly to controls. Contrarily, Ni-based nanostructured electrodes increase cell survival, boost neuronal differentiation, and reduce glial cells with respect to flat counterparts. Nonetheless, Au-based electrodes perform superiorly compared to Ni-based ones. Under electrical stimulation, Au-based nanostructured substrates evoke intracellular calcium dynamics compatible with neural networks activation. These studies highlight the opportunity for these electrodes to excite a silent neural network by direct neuronal membranes depolarization.
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Affiliation(s)
- Ana Domínguez-Bajo
- Instituto de Ciencia de Materiales de Madrid (ICMM), CSIC, Calle Sor Juana Inés de la Cruz 3, Madrid, 28049, Spain
| | - Beatriz Loreto Rodilla
- Fundación IMDEA Nanociencia, Calle Faraday 9, Madrid, 28049, Spain.,International School for Advanced Studies (SISSA/ISAS), Via Bonomea 265, Trieste, 34136, Italy
| | - Ivo Calaresu
- Hospital Nacional de Parapléjicos, SESCAM, Finca La Peraleda s/n, Toledo, 45071, Spain
| | - Ana Arché-Núñez
- Fundación IMDEA Nanociencia, Calle Faraday 9, Madrid, 28049, Spain
| | - Ankor González-Mayorga
- Instituto "Nicolas Cabrera" and Condensed Matter Physics Center (IFIMAC), Departamento de Física de la Materia Condensada, Universidad Autonoma de Madrid (UAM), Campus de Cantoblanco, Madrid, 28049, Spain
| | - Denis Scaini
- Hospital Nacional de Parapléjicos, SESCAM, Finca La Peraleda s/n, Toledo, 45071, Spain
| | - Lucas Pérez
- Fundación IMDEA Nanociencia, Calle Faraday 9, Madrid, 28049, Spain.,International School for Advanced Studies (SISSA/ISAS), Via Bonomea 265, Trieste, 34136, Italy
| | - Julio Camarero
- Fundación IMDEA Nanociencia, Calle Faraday 9, Madrid, 28049, Spain.,Departamento de Física de Materiales, Universidad Complutense de Madrid, Plaza de las Ciencias s/n, Madrid, 28040, Spain
| | - Rodolfo Miranda
- Fundación IMDEA Nanociencia, Calle Faraday 9, Madrid, 28049, Spain.,Departamento de Física de Materiales, Universidad Complutense de Madrid, Plaza de las Ciencias s/n, Madrid, 28040, Spain
| | - Elisa López-Dolado
- Instituto "Nicolas Cabrera" and Condensed Matter Physics Center (IFIMAC), Departamento de Física de la Materia Condensada, Universidad Autonoma de Madrid (UAM), Campus de Cantoblanco, Madrid, 28049, Spain.,Research Unit of "Design and development of biomaterials for neural regeneration", Hospital Nacional de Parapléjicos, Joint Research Unit with CSIC, Toledo, 45071, Spain
| | | | - Laura Ballerini
- Hospital Nacional de Parapléjicos, SESCAM, Finca La Peraleda s/n, Toledo, 45071, Spain
| | - María Concepción Serrano
- Instituto de Ciencia de Materiales de Madrid (ICMM), CSIC, Calle Sor Juana Inés de la Cruz 3, Madrid, 28049, Spain
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Chu HY, Chen YJ, Hsu CJ, Liu YW, Chiou JF, Lu LS, Tseng FG. Physical Cues in the Microenvironment Regulate Stemness-Dependent Homing of Breast Cancer Cells. Cancers (Basel) 2020; 12:E2176. [PMID: 32764400 PMCID: PMC7464848 DOI: 10.3390/cancers12082176] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 08/03/2020] [Accepted: 08/04/2020] [Indexed: 12/24/2022] Open
Abstract
Tissue-specific microenvironmental factors contribute to the targeting preferences of metastatic cancers. However, the physical attributes of the premetastatic microenvironment are not yet fully characterized. In this research, we develop a transwell-based alginate hydrogel (TAH) model to study how permeability, stiffness, and roughness of a hanging alginate hydrogel regulate breast cancer cell homing. In this model, a layer of physically characterized alginate hydrogel is formed at the bottom of a transwell insert, which is placed into a matching culture well with an adherent monolayer of breast cancer cells. We found that breast cancer cells dissociate from the monolayer and home to the TAH for continual growth. The process is facilitated by the presence of rich serum in the upper chamber, the increased stiffness of the gel, as well as its surface roughness. This model is able to support the homing ability of MCF-7 and MDA-MB-231 cells drifting across the vertical distance in the culture medium. Cells homing to the TAH display stemness phenotype morphologically and biochemically. Taken together, these findings suggest that permeability, stiffness, and roughness are important physical factors to regulate breast cancer homing to a premetastatic microenvironment.
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Affiliation(s)
- Hsueh-Yao Chu
- Department of Engineering and System Science, National Tsing Hua University, Hsinchu 30013, Taiwan; (H.-Y.C.); (C.-J.H.); (Y.-W.L.)
| | - Yin-Ju Chen
- Department of Radiation Oncology, Taipei Medical University Hospital, Taipei 11031, Taiwan; (Y.-J.C.); (J.-F.C.)
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan
- International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan
| | - Chun-Jieh Hsu
- Department of Engineering and System Science, National Tsing Hua University, Hsinchu 30013, Taiwan; (H.-Y.C.); (C.-J.H.); (Y.-W.L.)
| | - Yang-Wei Liu
- Department of Engineering and System Science, National Tsing Hua University, Hsinchu 30013, Taiwan; (H.-Y.C.); (C.-J.H.); (Y.-W.L.)
| | - Jeng-Fong Chiou
- Department of Radiation Oncology, Taipei Medical University Hospital, Taipei 11031, Taiwan; (Y.-J.C.); (J.-F.C.)
- Department of Radiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
- Taipei Cancer Center, Taipei Medical University, Taipei 11031, Taiwan
| | - Long-Sheng Lu
- Department of Radiation Oncology, Taipei Medical University Hospital, Taipei 11031, Taiwan; (Y.-J.C.); (J.-F.C.)
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan
- International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan
- International Ph.D. Program for Cell Therapy and Regeneration Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
| | - Fan-Gang Tseng
- Department of Engineering and System Science, National Tsing Hua University, Hsinchu 30013, Taiwan; (H.-Y.C.); (C.-J.H.); (Y.-W.L.)
- Department of Engineering and System Science, Frontier Research Center on Fundamental and Applied Sciences of Matters, National Tsing-Hua University, Hsinchu 30013, Taiwan
- Research Center for Applied Sciences, Academia Sinica, No. 128, Sec. 2, Academia Rd., Nankang, Taipei 11529, Taiwan
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Yun YS, Kang EH, Ji S, Lee SB, Kim YO, Yun IS, Yeo JS. Quantitative Correlation of Nanotopography with Cell Spreading via Focal Adhesions Using Adipose-Derived Stem Cells. ACTA ACUST UNITED AC 2020; 4:e2000092. [PMID: 32500640 DOI: 10.1002/adbi.202000092] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Revised: 05/13/2020] [Indexed: 11/09/2022]
Abstract
Nanotopography mimicking extracellular environments reportedly impact cell morphological changes; however, elucidating this relationship has been challenging. To control cellular responses using nanostructures, in this study, the quantitative relationship between nanotopography and cell spreading mediated by focal adhesions (FAs) is demonstrated using adipose-derived stem cells (ASCs). The spreading of ASCs and area of FAs are analyzed for the distribution of filamentous actin and vinculin, respectively, using fluorescent images. FAs require a specific area for adhesion (herein defined as effective contact area [ECA]) to maintain cell attachment on nanopillar arrays. An ECA is the area of FAs supported by nanopillars, multiplying the area fraction (AF) of their top surface. Regarding the spreading of cells, the mean area of ASCs linearly decreases as the mean area of FAs increases. Because the area of FAs is inversely correlated to the AF of the nanopillar arrays, the spreading of cells can be quantitatively correlated with nanotopography. The results provide a conceptual framework for controlling cell behaviors to design artificial substrates for tissue-engineering applications.
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Affiliation(s)
- Young-Shik Yun
- School of Integrated Technology, Yonsei University, 85, Songdogwahak-ro, Yeonsu-gu, Incheon, 21983, Korea.,Yonsei Institute of Convergence Technology, Yonsei University, 85, Songdogwahak-ro, Yeonsu-gu, Incheon, 21983, Korea
| | - Eun-Hye Kang
- Department of Plastic and Reconstruction Surgery, College of Medicine, Yonsei University, 134, Sinchon-dong, Seodaemun-gu, Seoul, 03722, Korea
| | - Seungmuk Ji
- School of Integrated Technology, Yonsei University, 85, Songdogwahak-ro, Yeonsu-gu, Incheon, 21983, Korea.,Yonsei Institute of Convergence Technology, Yonsei University, 85, Songdogwahak-ro, Yeonsu-gu, Incheon, 21983, Korea
| | - Su-Bong Lee
- School of Integrated Technology, Yonsei University, 85, Songdogwahak-ro, Yeonsu-gu, Incheon, 21983, Korea.,Yonsei Institute of Convergence Technology, Yonsei University, 85, Songdogwahak-ro, Yeonsu-gu, Incheon, 21983, Korea
| | - Yong Oock Kim
- Department of Plastic and Reconstruction Surgery, College of Medicine, Yonsei University, 134, Sinchon-dong, Seodaemun-gu, Seoul, 03722, Korea
| | - In Sik Yun
- Department of Plastic and Reconstruction Surgery, College of Medicine, Yonsei University, 134, Sinchon-dong, Seodaemun-gu, Seoul, 03722, Korea
| | - Jong-Souk Yeo
- School of Integrated Technology, Yonsei University, 85, Songdogwahak-ro, Yeonsu-gu, Incheon, 21983, Korea.,Yonsei Institute of Convergence Technology, Yonsei University, 85, Songdogwahak-ro, Yeonsu-gu, Incheon, 21983, Korea
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47
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Sun S, Shi H, Moore S, Wang C, Ash-Shakoor A, Mather PT, Henderson JH, Ma Z. Progressive Myofibril Reorganization of Human Cardiomyocytes on a Dynamic Nanotopographic Substrate. ACS Appl Mater Interfaces 2020; 12:21450-21462. [PMID: 32326701 DOI: 10.1021/acsami.0c03464] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Cardiomyocyte (CM) alignment with striated myofibril organization is developed during early cardiac organogenesis. Previous work has successfully achieved in vitro CM alignment using a variety of biomaterial scaffolds and substrates with static topographic features. However, the cellular processes that occur during the response of CMs to dynamic surface topographic changes, which may provide a model of in vivo developmental progress of CM alignment within embryonic myocardium, remains poorly understood. To gain insights into these cellular processes involved in the response of CMs to dynamic topographic changes, we developed a dynamic topographic substrate that employs a shape memory polymer coated with polyelectrolyte multilayers to produce a flat-to-wrinkle surface transition when triggered by a change in incubation temperature. Using this system, we investigated cellular morphological alignment and intracellular myofibril reorganization in response to the dynamic wrinkle formation. Hence, we identified the progressive cellular processes of human-induced pluripotent stem cell-CMs in a time-dependent manner, which could provide a foundation for a mechanistic model of cardiac myofibril reorganization in response to extracellular microenvironment changes.
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Affiliation(s)
- Shiyang Sun
- Department of Biomedical & Chemical Engineering, Syracuse University, Syracuse, New York 13244, United States
- Syracuse Biomaterials Institute, Syracuse University, Syracuse, New York 13244, United States
| | - Huaiyu Shi
- Department of Biomedical & Chemical Engineering, Syracuse University, Syracuse, New York 13244, United States
- Syracuse Biomaterials Institute, Syracuse University, Syracuse, New York 13244, United States
| | - Sarah Moore
- Department of Biomedical & Chemical Engineering, Syracuse University, Syracuse, New York 13244, United States
- Syracuse Biomaterials Institute, Syracuse University, Syracuse, New York 13244, United States
| | - Chenyan Wang
- Department of Biomedical & Chemical Engineering, Syracuse University, Syracuse, New York 13244, United States
- Syracuse Biomaterials Institute, Syracuse University, Syracuse, New York 13244, United States
| | - Ariel Ash-Shakoor
- Department of Biomedical & Chemical Engineering, Syracuse University, Syracuse, New York 13244, United States
- Syracuse Biomaterials Institute, Syracuse University, Syracuse, New York 13244, United States
| | - Patrick T Mather
- Department of Chemical Engineering, Bucknell University, Lewisburg, Pennsylvania 17837, United States
| | - James H Henderson
- Department of Biomedical & Chemical Engineering, Syracuse University, Syracuse, New York 13244, United States
- Syracuse Biomaterials Institute, Syracuse University, Syracuse, New York 13244, United States
- BioInspired Syracuse: Institute for Material and Living Systems, Syracuse University, Syracuse, New York 13244, United States
| | - Zhen Ma
- Department of Biomedical & Chemical Engineering, Syracuse University, Syracuse, New York 13244, United States
- Syracuse Biomaterials Institute, Syracuse University, Syracuse, New York 13244, United States
- BioInspired Syracuse: Institute for Material and Living Systems, Syracuse University, Syracuse, New York 13244, United States
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48
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Zhao C, Song X, Lu X. Directional Osteo-Differentiation Effect of hADSCs on Nanotopographical Self-Assembled Polystyrene Nanopit Surfaces. Int J Nanomedicine 2020; 15:3281-3290. [PMID: 32440124 PMCID: PMC7217320 DOI: 10.2147/ijn.s240300] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Accepted: 03/10/2020] [Indexed: 11/23/2022] Open
Abstract
Introduction Cells exhibit high sensitivity and a diverse response to the nanotopography of the extracellular matrix, thereby endowing materials with instructive performances formerly reserved for growth factors. This finding leads to opportunities for improvement. However, the interplay between the topographical surface and cell behaviors remains incompletely understood. Methods In the present study, we showed nanosurfaces with various dimensions of nanopits (200–750 nm) fabricated by self-assembling polystyrene (PS) nanospheres. Human adipose-derived stem cell behaviors, such as cell morphology, adhesion, cytoskeleton contractility, proliferation, and differentiation, were investigated on the prepared PS nanopit surface. Results The osteogenic differentiation can be enhanced by nanopits with a diameter of 300–400 nm. Discussion The present study provided exciting new avenues to investigate cellular responses to well-defined nanoscale topographic features, which could further guide bone tissue engineering and stem cell clinical research. The capability to control developing biomaterials mimicking nanotopographic surfaces promoted functional tissue engineering, such as artificial joint replacement, bone repair, and dental applications.
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Affiliation(s)
- Changhong Zhao
- School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang, Henan, 453003, People's Republic of China
| | - Xuebin Song
- School of Life Sciences and Technology, Xinxiang Medical University, Xinxiang, Henan, 453003, People's Republic of China
| | - Xiaoyuan Lu
- College of Medical Engineering, Xinxiang Medical University, Henan 453003, People's Republic of China
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49
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Seo J, Youn W, Choi JY, Cho H, Choi H, Lanara C, Stratakis E, Choi IS. Neuro-taxis: Neuronal movement in gradients of chemical and physical environments. Dev Neurobiol 2020; 80:361-377. [PMID: 32304173 DOI: 10.1002/dneu.22749] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Accepted: 04/13/2020] [Indexed: 12/15/2022]
Abstract
Environmental chemical and physical cues dynamically interact with migrating neurons and sprouting axons, and in particular, the gradients of environmental cues are regarded as one of the factors intimately involved in the neuronal movement. Since a growth cone was first described by Cajal, more than one century ago, chemical gradients have been suggested as one of the mechanisms by which the neurons determine proper paths and destinations. However, the gradients of physical cues, such as stiffness and topography, which also interact constantly with the neurons and their axons as a component of the extracellular environments, have rarely been noted regarding the guidance of neurons, despite their gradually increasingly reported influences in the case of nonneuronal-cell migration. In this review, we discuss chemical (i.e., chemo- and hapto-) and physical (i.e., duro-) taxis phenomena on the movement of neurons including axonal elongation. In addition, we suggest topotaxis, the most recently proposed physical-taxis phenomenon, as another potential mechanism in the neuronal movement, based on the reports of neuronal recognition of and responses to nanotopography.
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Affiliation(s)
| | - Wongu Youn
- Department of Chemistry, KAIST, Daejeon, Korea
| | - Ji Yu Choi
- Department of Chemistry, KAIST, Daejeon, Korea
| | | | | | - Christina Lanara
- Institute of Electronic Structure and Laser (IESL), Foundation for Research and Technology-Hellas (FORTH), Heraklion, Crete, Greece
| | - Emmanuel Stratakis
- Institute of Electronic Structure and Laser (IESL), Foundation for Research and Technology-Hellas (FORTH), Heraklion, Crete, Greece.,Physics Department, University of Crete, Heraklion, Crete, Greece
| | - Insung S Choi
- Department of Chemistry, KAIST, Daejeon, Korea.,Department of Bio and Brain Engineering, KAIST, Daejeon, Korea
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50
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Lavrador P, Gaspar VM, Mano JF. Mechanochemical Patternable ECM-Mimetic Hydrogels for Programmed Cell Orientation. Adv Healthc Mater 2020; 9:e1901860. [PMID: 32323469 DOI: 10.1002/adhm.201901860] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 03/16/2020] [Indexed: 01/10/2023]
Abstract
Native human tissues are supported by a viscoelastic extracellular matrix (ECM) that can adapt its intricate network to dynamic mechanical stimuli. To recapitulate the unique ECM biofunctionality, hydrogel design is shifting from typical covalent crosslinks toward covalently adaptable networks. To pursue such properties, herein hybrid polysaccharide-polypeptide networks are designed based on dynamic covalent assembly inspired by natural ECM crosslinking processes. This is achieved through the synthesis of an amine-reactive oxidized-laminarin biopolymer that can readily crosslink with gelatin (oxLAM-Gelatin) and simultaneously allow cell encapsulation. Interestingly, the rational design of oxLAM-Gelatin hydrogels with varying aldehyde-to-amine ratios enables a refined control over crosslinking kinetics, viscoelastic properties, and degradability profile. The mechanochemical features of these hydrogels post-crosslinking offer an alternative route for imprinting any intended nano- or microtopography in ECM-mimetic matrices bearing inherent cell-adhesive motifs. Different patterns are easily paved in oxLAM-Gelatin under physiological conditions and complex topographical configurations are retained along time. Human adipose-derived mesenchymal stem cells contacting mechanically sculpted oxLAM-Gelatin hydrogels sense the underlying surface nanotopography and align parallel to the anisotropic nanoridge/nanogroove intercalating array. These findings demonstrate that covalently adaptable features in ECM-mimetic networks can be leveraged to combine surface topography and cell-adhesive motifs as they appear in natural matrices.
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Affiliation(s)
- Pedro Lavrador
- Department of ChemistryCICECO – Aveiro Institute of MaterialsUniversity of AveiroCampus Universitário de Santiago Aveiro 3810‐193 Portugal
| | - Vítor M. Gaspar
- Department of ChemistryCICECO – Aveiro Institute of MaterialsUniversity of AveiroCampus Universitário de Santiago Aveiro 3810‐193 Portugal
| | - João F. Mano
- Department of ChemistryCICECO – Aveiro Institute of MaterialsUniversity of AveiroCampus Universitário de Santiago Aveiro 3810‐193 Portugal
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