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Burgess JK, Gosens R. Mechanotransduction and the extracellular matrix: Key drivers of lung pathologies and drug responsiveness. Biochem Pharmacol 2024:116255. [PMID: 38705536 DOI: 10.1016/j.bcp.2024.116255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 04/19/2024] [Accepted: 05/02/2024] [Indexed: 05/07/2024]
Abstract
The lung is a biomechanically active organ, with multiscale mechanical forces impacting the organ, tissue and cellular responses within this microenvironment. In chronic lung diseases, such as chronic obstructive pulmonary disease, pulmonary fibrosis and others, the structure of the lung is drastically altered impeding gas exchange. These changes are, in part, reflected in alterations in the composition, amount and organization of the extracellular matrix within the different lung compartments. The transmission of mechanical forces within lung tissue are broadcast by this complex mix of extracellular matrix components, in particular the collagens, elastin and proteoglycans and the crosslinking of these components. At both a macro and a micro level, the mechanical properties of the microenvironment have a key regulatory role in ascertaining cellular responses and the function of the lung. Cells adhere to, and receive signals from, the extracellular matrix through a number of different surface receptors and complexes which are important for mechanotransduction. This review summarizes the multiscale mechanics in the lung and how the mechanical environment changes in lung disease and aging. We then examine the role of mechanotransduction in driving cell signaling events in lung diseases and finish with a future perspective of the need to consider how such forces may impact pharmacological responsiveness in lung diseases.
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Affiliation(s)
- Janette K Burgess
- University of Groningen, University Medical Center Groningen, Department of Pathology and Medical Biology, Groningen, the Netherlands; University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD (GRIAC), Groningen, the Netherlands.
| | - Reinoud Gosens
- University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD (GRIAC), Groningen, the Netherlands; Department of Molecular Pharmacology, University of Groningen, Groningen, the Netherlands
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2
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Borges J, Zeng J, Liu XQ, Chang H, Monge C, Garot C, Ren KF, Machillot P, Vrana NE, Lavalle P, Akagi T, Matsusaki M, Ji J, Akashi M, Mano JF, Gribova V, Picart C. Recent Developments in Layer-by-Layer Assembly for Drug Delivery and Tissue Engineering Applications. Adv Healthc Mater 2024; 13:e2302713. [PMID: 38116714 DOI: 10.1002/adhm.202302713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 11/27/2023] [Indexed: 12/21/2023]
Abstract
Surfaces with biological functionalities are of great interest for biomaterials, tissue engineering, biophysics, and for controlling biological processes. The layer-by-layer (LbL) assembly is a highly versatile methodology introduced 30 years ago, which consists of assembling complementary polyelectrolytes or biomolecules in a stepwise manner to form thin self-assembled films. In view of its simplicity, compatibility with biological molecules, and adaptability to any kind of supporting material carrier, this technology has undergone major developments over the past decades. Specific applications have emerged in different biomedical fields owing to the possibility to load or immobilize biomolecules with preserved bioactivity, to use an extremely broad range of biomolecules and supporting carriers, and to modify the film's mechanical properties via crosslinking. In this review, the focus is on the recent developments regarding LbL films formed as 2D or 3D objects for applications in drug delivery and tissue engineering. Possible applications in the fields of vaccinology, 3D biomimetic tissue models, as well as bone and cardiovascular tissue engineering are highlighted. In addition, the most recent technological developments in the field of film construction, such as high-content liquid handling or machine learning, which are expected to open new perspectives in the future developments of LbL, are presented.
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Grants
- GA259370 ERC "BIOMIM"
- GA692924 ERC "BioactiveCoatings"
- GA790435 ERC "Regenerbone"
- ANR-17-CE13-022 Agence Nationale de la Recherche "CODECIDE", "OBOE", "BuccaVac"
- ANR-18-CE17-0016 Agence Nationale de la Recherche "CODECIDE", "OBOE", "BuccaVac"
- 192974 Agence Nationale de la Recherche "CODECIDE", "OBOE", "BuccaVac"
- ANR-20-CE19-022 BIOFISS Agence Nationale de la Recherche "CODECIDE", "OBOE", "BuccaVac"
- ANR22-CE19-0024 SAFEST Agence Nationale de la Recherche "CODECIDE", "OBOE", "BuccaVac"
- DOS0062033/0 FUI-BPI France
- 883370 European Research Council "REBORN"
- 2020.00758.CEECIND Portuguese Foundation for Science and Technology
- UIDB/50011/2020,UIDP/50011/2020,LA/P/0006/2020 FCT/MCTES (PIDDAC)
- 751061 European Union's Horizon 2020 "PolyVac"
- 11623 Sidaction
- 20H00665 JSPS Grant-in-Aid for Scientific Research
- 3981662 BPI France Aide Deep Tech programme
- ECTZ60600 Agence Nationale de Recherches sur le Sida et les Hépatites Virales
- 101079482 HORIZON EUROPE Framework Programme "SUPRALIFE"
- 101058554 Horizon Europe EIC Accelerator "SPARTHACUS"
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Affiliation(s)
- João Borges
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, Aveiro, 3810-193, Portugal
| | - Jinfeng Zeng
- Division of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Xi Qiu Liu
- School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Hao Chang
- Hangzhou Institute of Medicine, Chinese Academy of Sciences, Hangzhou, Zhejiang, 310022, China
| | - Claire Monge
- Laboratory of Tissue Biology and Therapeutic Engineering (LBTI), UMR5305 CNRS/Universite Claude Bernard Lyon 1, 7 Passage du Vercors, Lyon, 69367, France
| | - Charlotte Garot
- Université de Grenoble Alpes, CEA, INSERM U1292 Biosanté, CNRS EMR 5000 Biomimetism and Regenerative Medicine (BRM), 17 avenue des Martyrs, Grenoble, F-38054, France
| | - Ke-Feng Ren
- Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Paul Machillot
- Université de Grenoble Alpes, CEA, INSERM U1292 Biosanté, CNRS EMR 5000 Biomimetism and Regenerative Medicine (BRM), 17 avenue des Martyrs, Grenoble, F-38054, France
| | - Nihal E Vrana
- SPARTHA Medical, 1 Rue Eugène Boeckel, Strasbourg, 67000, France
| | - Philippe Lavalle
- SPARTHA Medical, 1 Rue Eugène Boeckel, Strasbourg, 67000, France
- Institut National de la Santé et de la Recherche Médicale, Inserm UMR_S 1121 Biomaterials and Bioengineering, Centre de Recherche en Biomédecine de Strasbourg, 1 rue Eugène Boeckel, Strasbourg, 67000, France
- Université de Strasbourg, Faculté de Chirurgie Dentaire, 1 place de l'Hôpital, Strasbourg, 67000, France
| | - Takami Akagi
- Building Block Science Joint Research Chair, Graduate School of Frontier Biosciences, Osaka University, 1-3 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Michiya Matsusaki
- Division of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Jian Ji
- Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Mitsuru Akashi
- Building Block Science Joint Research Chair, Graduate School of Frontier Biosciences, Osaka University, 1-3 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - João F Mano
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, Aveiro, 3810-193, Portugal
| | - Varvara Gribova
- Institut National de la Santé et de la Recherche Médicale, Inserm UMR_S 1121 Biomaterials and Bioengineering, Centre de Recherche en Biomédecine de Strasbourg, 1 rue Eugène Boeckel, Strasbourg, 67000, France
- Université de Strasbourg, Faculté de Chirurgie Dentaire, 1 place de l'Hôpital, Strasbourg, 67000, France
| | - Catherine Picart
- Université de Grenoble Alpes, CEA, INSERM U1292 Biosanté, CNRS EMR 5000 Biomimetism and Regenerative Medicine (BRM), 17 avenue des Martyrs, Grenoble, F-38054, France
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3
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Gao S, Chen B, Gao M, Xu Y, Yang X, Yang C, Pan S. Substrate Stiffness of Bone Microenvironment Controls Functions of Pre-Osteoblasts and Fibroblasts In Vitro. Biomimetics (Basel) 2023; 8:344. [PMID: 37622949 PMCID: PMC10452586 DOI: 10.3390/biomimetics8040344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 07/28/2023] [Accepted: 07/31/2023] [Indexed: 08/26/2023] Open
Abstract
The formation of bone in a bone defect is accomplished by osteoblasts, while the over activation of fibroblasts promotes fibrosis. However, it is not clear how the extracellular matrix stiffness of the bone-regeneration microenvironment affects the function of osteoblasts and fibroblasts. This study aim to investigate the effect of bone-regeneration microenvironment stiffness on cell adhesion, cell proliferation, cell differentiation, synthesizing matrix ability and its potential mechanisms in mechanotransduction, in pre-osteoblasts and fibroblasts. Polyacrylamide substrates mimicking the matrix stiffness of different stages of the bone-healing process (15 kPa, mimic granulation tissue; 35 kPa, mimic osteoid; 150 kPa, mimic calcified bone matrix) were prepared. Mouse pre-osteoblasts MC3T3-E1 and mouse fibroblasts NIH3T3 were plated on three types of substrates, respectively. There were significant differences in the adhesion of pre-osteoblasts and fibroblasts on different polyacrylamide substrates. Runx2 expression increased with increasing substrate stiffness in pre-osteoblasts, while no statistical differences were found in the Acta2 expression in fibroblasts on three substrates. OPN expression in pre-osteoblasts, as well as Fn1 and Col1a1 expression in fibroblasts, decreased with increasing stiffness. The difference between the cell traction force generated by pre-osteoblasts and fibroblasts on substrates was also found. Our results indicated that substrate stiffness is a potent regulator of pre-osteoblasts and fibroblasts with the ability of promoting osteogenic differentiation of pre-osteoblasts, while having no effect on myofibroblast differentiation of fibroblasts.
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Affiliation(s)
- Shenghan Gao
- Department of Prosthodontics, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing Key Laboratory of Digital Stomatology, Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health, NMPA Key Laboratory for Dental Materials, Central Laboratory, Peking University School and Hospital of Stomatology, No. 22, Zhongguancun South Avenue, Haidian District, Beijing 100081, China
| | - Bo Chen
- Department of Implantology, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, No. 22, Zhongguancun South Avenue, Haidian District, Beijing 100081, China
| | - Min Gao
- Department of Geriatric Dentistry, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, No. 22, Zhongguancun South Avenue, Haidian District, Beijing 100081, China
| | - Yue Xu
- Institute of Biomechanics and Medical Engineering, School of Aerospace Engineering, Tsinghua University, Beijing 100084, China
| | - Xueyi Yang
- Institute of Biomechanics and Medical Engineering, School of Aerospace Engineering, Tsinghua University, Beijing 100084, China
| | - Chun Yang
- Institute of Biomechanics and Medical Engineering, School of Aerospace Engineering, Tsinghua University, Beijing 100084, China
| | - Shaoxia Pan
- Department of Prosthodontics, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing Key Laboratory of Digital Stomatology, Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health, NMPA Key Laboratory for Dental Materials, Central Laboratory, Peking University School and Hospital of Stomatology, No. 22, Zhongguancun South Avenue, Haidian District, Beijing 100081, China
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4
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Wancura M, Nkansah A, Chwatko M, Robinson A, Fairley A, Cosgriff-Hernandez E. Interpenetrating network design of bioactive hydrogel coatings with enhanced damage resistance. J Mater Chem B 2023; 11:5416-5428. [PMID: 36825927 PMCID: PMC10682960 DOI: 10.1039/d2tb02825e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Accepted: 02/20/2023] [Indexed: 02/22/2023]
Abstract
Bioactive hydrogel coatings offer a promising route to introduce sustained thromboresistance to cardiovascular devices without compromising bulk mechanical properties. Poly(ethylene glycol)-based hydrogels provide antifouling properties to limit acute thromobosis and incorporation of adhesive ligands can be used to promote endothelialization. However, conventional PEG-based hydrogels at stiffnesses that promote cell attachment can be brittle and prone to damage in a surgical setting, limiting their utility in clinical applications. In this work, we developed a durable hydrogel coating using interpenetrating networks of polyether urethane diacrylamide (PEUDAm) and poly(N-acryloyl glycinamide) (pNAGA). First, diffusion-mediated redox initiation of PEUDAm was used to coat electrospun polyurethane fiber meshes with coating thickness controlled by the immersion time. The second network of pNAGA was then introduced to enhance damage resistance of the hydrogel coating. The durability, thromboresistance, and bioactivity of the resulting multilayer grafts were then assessed. The IPN hydrogel coatings displayed resistance to surgically-associated damage mechanisms and retained the anti-fouling nature of PEG-based hydrogels as indicated by reduced protein adsorption and platelet attachment. Moreover, incorporation of functionalized collagen into the IPN hydrogel coating conferred bioactivity that supported endothelial cell adhesion. Overall, this conformable and durable hydrogel coating provides an improved approach for cardiovascular device fabrication with targeted biological activity.
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Affiliation(s)
- Megan Wancura
- Department of Chemistry, The University of Texas at Austin, Austin, TX 78712, USA
| | - Abbey Nkansah
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712, USA.
| | - Malgorzata Chwatko
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712, USA.
| | - Andrew Robinson
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712, USA.
| | - Ashauntee Fairley
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712, USA.
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5
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Bowers DT, McCulloch ME, Brown JL. Evaluation of focal adhesion mediated subcellular curvature sensing in response to engineered extracellular matrix. Biointerphases 2023; 18:021004. [PMID: 37019799 PMCID: PMC10079328 DOI: 10.1116/6.0002440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 02/24/2023] [Accepted: 03/14/2023] [Indexed: 04/07/2023] Open
Abstract
Fibril curvature is bioinstructive to attached cells. Similar to natural healthy tissues, an engineered extracellular matrix can be designed to stimulate cells to adopt desired phenotypes. To take full advantage of the curvature control in biomaterial fabrication methodologies, an understanding of the response to fibril subcellular curvature is required. In this work, we examined morphology, signaling, and function of human cells attached to electrospun nanofibers. We controlled curvature across an order of magnitude using nondegradable poly(methyl methacrylate) (PMMA) attached to a stiff substrate with flat PMMA as a control. Focal adhesion length and the distance of maximum intensity from the geographic center of the vinculin positive focal adhesion both peaked at a fiber curvature of 2.5 μm-1 (both ∼2× the flat surface control). Vinculin experienced slightly less tension when attached to nanofiber substrates. Vinculin expression was also more affected by a subcellular curvature than structural proteins α-tubulin or α-actinin. Among the phosphorylation sites we examined (FAK397, 576/577, 925, and Src416), FAK925 exhibited the most dependance on the nanofiber curvature. A RhoA/ROCK dependance of migration velocity across curvatures combined with an observation of cell membrane wrapping around nanofibers suggested a hybrid of migration modes for cells attached to fibers as has been observed in 3D matrices. Careful selection of nanofiber curvature for regenerative engineering scaffolds and substrates used to study cell biology is required to maximize the potential of these techniques for scientific exploration and ultimately improvement of human health.
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Affiliation(s)
- Daniel T. Bowers
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802
| | - Mary Elizabeth McCulloch
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802
| | - Justin L. Brown
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802
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6
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Zhou SW, Wang J, Chen SY, Ren KF, Wang YX, Ji J. The substrate stiffness at physiological range significantly modulates vascular cell behavior. Colloids Surf B Biointerfaces 2022; 214:112483. [PMID: 35366576 DOI: 10.1016/j.colsurfb.2022.112483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 03/15/2022] [Accepted: 03/23/2022] [Indexed: 10/18/2022]
Abstract
Changes in the stiffness of the cellular microenvironment are involved in many pathological processes of blood vessels. Substrate stiffness has been shown to have extensive effects on vascular endothelial cells (VECs) and vascular smooth muscle cells (VSMCs). However, the material stiffness of most previously reported in-vitro models is ranging from ~100 kPa to the magnitude of MPa, which does not match the mechanical properties of natural vascular tissue (10-100 kPa). Herein, we constructed hydrogel substrates with the stiffness of 18-86 kPa to explore the effect of physiological stiffness on vascular cells. Our findings show that, with the increase of stiffness at the physiological range, the cell adhesion and proliferation behaviors of VECs and VSMCs are significantly enhanced. On the soft substrate, VECs express more nitric oxide (NO), and VSMCs tend to maintain a healthy contraction phenotype. More importantly, we find that the number of differentially expressed genes in cells cultured between 18 kPa and 86 kPa substrates (560 in VECs, 243 in VSMCs) is significantly higher than that between 86 kPa and 333 kPa (137 in VECs, 172 in VSMCs), indicating that a small increase in stiffness within the physiological range have a higher impact on vascular cell behaviors. Overall, our results expanded the exploration of how stiffness affects the behavior of vascular cells at the physiological range.
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Affiliation(s)
- Sheng-Wen Zhou
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Jing Wang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Sheng-Yu Chen
- Key Laboratory of Cardiovascular Intervention and Regenerative Medicine of Zhejiang Province, Department of Cardiology, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou 310016, China
| | - Ke-Feng Ren
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China; Key Laboratory of Cardiovascular Intervention and Regenerative Medicine of Zhejiang Province, Department of Cardiology, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou 310016, China.
| | - You-Xiang Wang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Jian Ji
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China; Key Laboratory of Cardiovascular Intervention and Regenerative Medicine of Zhejiang Province, Department of Cardiology, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou 310016, China
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7
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Biomedical polymers: synthesis, properties, and applications. Sci China Chem 2022; 65:1010-1075. [PMID: 35505924 PMCID: PMC9050484 DOI: 10.1007/s11426-022-1243-5] [Citation(s) in RCA: 64] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 04/01/2022] [Indexed: 02/07/2023]
Abstract
Biomedical polymers have been extensively developed for promising applications in a lot of biomedical fields, such as therapeutic medicine delivery, disease detection and diagnosis, biosensing, regenerative medicine, and disease treatment. In this review, we summarize the most recent advances in the synthesis and application of biomedical polymers, and discuss the comprehensive understanding of their property-function relationship for corresponding biomedical applications. In particular, a few burgeoning bioactive polymers, such as peptide/biomembrane/microorganism/cell-based biomedical polymers, are also introduced and highlighted as the emerging biomaterials for cancer precision therapy. Furthermore, the foreseeable challenges and outlook of the development of more efficient, healthier and safer biomedical polymers are discussed. We wish this systemic and comprehensive review on highlighting frontier progress of biomedical polymers could inspire and promote new breakthrough in fundamental research and clinical translation.
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Wei Q, Wang S, Han F, Wang H, Zhang W, Yu Q, Liu C, Ding L, Wang J, Yu L, Zhu C, Li B, Bl, Cz, Cz, Cz, Qw, Sw, Fh, Hw, Wz, Qy, Cl, Ld, Jw, Ly, Cz, Qw. Cellular modulation by the mechanical cues from biomaterials for tissue engineering. BIOMATERIALS TRANSLATIONAL 2021; 2:323-342. [PMID: 35837415 PMCID: PMC9255801 DOI: 10.12336/biomatertransl.2021.04.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 06/13/2021] [Accepted: 07/10/2021] [Indexed: 01/17/2023]
Abstract
Mechanical cues from the extracellular matrix (ECM) microenvironment are known to be significant in modulating the fate of stem cells to guide developmental processes and maintain bodily homeostasis. Tissue engineering has provided a promising approach to the repair or regeneration of damaged tissues. Scaffolds are fundamental in cell-based regenerative therapies. Developing artificial ECM that mimics the mechanical properties of native ECM would greatly help to guide cell functions and thus promote tissue regeneration. In this review, we introduce various mechanical cues provided by the ECM including elasticity, viscoelasticity, topography, and external stimuli, and their effects on cell behaviours. Meanwhile, we discuss the underlying principles and strategies to develop natural or synthetic biomaterials with different mechanical properties for cellular modulation, and explore the mechanism by which the mechanical cues from biomaterials regulate cell function toward tissue regeneration. We also discuss the challenges in multimodal mechanical modulation of cell behaviours and the interplay between mechanical cues and other microenvironmental factors.
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Affiliation(s)
- Qiang Wei
- Department of Orthopaedic Surgery, Orthopaedic Institute, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu Province, China
| | - Shenghao Wang
- Department of Orthopaedic Surgery, Orthopaedic Institute, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu Province, China
| | - Feng Han
- Department of Orthopaedic Surgery, Orthopaedic Institute, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu Province, China
| | - Huan Wang
- Department of Orthopaedic Surgery, Orthopaedic Institute, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu Province, China
| | - Weidong Zhang
- Department of Orthopaedic Surgery, Orthopaedic Institute, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu Province, China
| | - Qifan Yu
- Department of Orthopaedic Surgery, Orthopaedic Institute, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu Province, China
| | - Changjiang Liu
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu Province, China
| | - Luguang Ding
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu Province, China
| | - Jiayuan Wang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu Province, China
| | - Lili Yu
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu Province, China
| | - Caihong Zhu
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu Province, China,Corresponding authors: Caihong Zhu, ; Bin Li,
| | - Bin Li
- Department of Orthopaedic Surgery, Orthopaedic Institute, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu Province, China,College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu Province, China,China Orthopaedic Regenerative Medicine Group (CORMed), Hangzhou, Zhejiang Province, China,Corresponding authors: Caihong Zhu, ; Bin Li,
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9
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Sun B, Hou L, Sun B, Han Y, Zou Y, Huang J, Zhang Y, Feng C, Dou X, Xu F. Use of Electrospun Phenylalanine/Poly-ε-Caprolactone Chiral Hybrid Scaffolds to Promote Endothelial Remodeling. Front Bioeng Biotechnol 2021; 9:773635. [PMID: 34900965 PMCID: PMC8656108 DOI: 10.3389/fbioe.2021.773635] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Accepted: 10/27/2021] [Indexed: 02/02/2023] Open
Abstract
The fabrication of tissue-engineered vascular grafts to replace damaged vessels is a promising therapy for cardiovascular diseases. Endothelial remodeling in the lumen of TEVGs is critical for successful revascularization. However, the construction of well-functioning TEVGs remains a fundamental challenge. Herein, chiral hybrid scaffolds were prepared by electrospinning using D/L-phenylalanine based gelators [D(L)PHEG] and poly-ε-caprolactone (PCL). The chirality of scaffolds significantly affected the endothelial remodeling progress of TEVGs. Compared with L-phenylalanine based gelators/poly-ε-caprolactone (L/PCL) and PCL, D-phenylalanine based gelators/poly-ε-caprolactone (D/PCL) scaffolds enhanced cell adhesion, and proliferation and upregulated the expression of fibronectin-1, and vinculin. These results suggests that chiral hybrid scaffolds can promote endothelial remodeling of TEVGs by upregulating adhesion-associated protein levels. This study offers an innovative strategy for endothelial remodeling of TEVGs by fabricating chiral hybrid scaffolds, and provides new insight for the treatment of cardiovascular diseases.
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Affiliation(s)
- Benlin Sun
- Guangxi Collaborative Innovation Center for Biomedicine, Guangxi Medical University, Nanning, China
| | - Lei Hou
- Department of Cardiology, Tongren Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Binbin Sun
- Department of Orthopaedic Surgery, Shanghai Key Laboratory of Orthopaedic Implants, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Clinical and Translational Research Center for 3D Printing Technology, Medical 3D Printing Innovation Research Center, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yu Han
- Department of Orthopaedic Surgery, Shanghai Key Laboratory of Orthopaedic Implants, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Clinical and Translational Research Center for 3D Printing Technology, Medical 3D Printing Innovation Research Center, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yunqing Zou
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, China
| | - Juexin Huang
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, China
| | - Yanan Zhang
- Guangxi Collaborative Innovation Center for Biomedicine, Guangxi Medical University, Nanning, China
| | - Chuanliang Feng
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, China
| | - Xiaoqiu Dou
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, China
| | - Feng Xu
- Guangxi Collaborative Innovation Center for Biomedicine, Guangxi Medical University, Nanning, China.,Department of Subject Planning Shanghai, Ninth People's Hospital Shanghai, Jiao Tong University School of Medicine, Shanghai, China
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10
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Wang J, Qian HL, Chen SY, Huang WP, Huang DN, Hao HY, Ren KF, Wang YB, Fu GS, Ji J. miR-22 eluting cardiovascular stent based on a self-healable spongy coating inhibits in-stent restenosis. Bioact Mater 2021; 6:4686-4696. [PMID: 34095625 PMCID: PMC8164007 DOI: 10.1016/j.bioactmat.2021.04.037] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 04/09/2021] [Accepted: 04/27/2021] [Indexed: 11/28/2022] Open
Abstract
The in-stent restenosis (IRS) after the percutaneous coronary intervention contributes to the major treatment failure of stent implantation. MicroRNAs have been revealed as powerful gene medicine to regulate endothelial cells (EC) and smooth muscle cells (SMC) in response to vascular injury, providing a promising therapeutic candidate to inhibit IRS. However, the controllable loading and eluting of hydrophilic bioactive microRNAs pose a challenge to current lipophilic stent coatings. Here, we developed a microRNA eluting cardiovascular stent via the self-healing encapsulation process based on an amphipathic poly(ε-caprolactone)-poly(ethylene glycol)-poly(ε-caprolactone) (PCL-PEG-PCL, PCEC) triblock copolymer spongy network. The miR-22 was used as a model microRNA to regulate SMC. The dynamic porous coating realized the uniform and controllable loading of miR-22, reaching the highest dosage of 133 pmol cm-2. We demonstrated that the sustained release of miR-22 dramatically enhanced the contractile phenotype of SMC without interfering with the proliferation of EC, thus leading to the EC dominating growth at an EC/SMC ratio of 5.4. More importantly, the PCEC@miR-22 coated stents showed reduced inflammation, low switching of SMC phenotype, and low secretion of extracellular matrix, which significantly inhibited IRS. This work provides a simple and robust coating platform for the delivery of microRNAs on cardiovascular stent, which may extend to other combination medical devices, and facilitate practical application of bioactive agents in clinics.
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Affiliation(s)
- Jing Wang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Hong-Lin Qian
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Sheng-Yu Chen
- Key Laboratory of Cardiovascular Intervention and Regenerative Medicine of Zhejiang Province, Department of Cardiology, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou, 310016, China
| | - Wei-Pin Huang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Dan-Ni Huang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Hong-Ye Hao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Ke-Feng Ren
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
- Key Laboratory of Cardiovascular Intervention and Regenerative Medicine of Zhejiang Province, Department of Cardiology, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou, 310016, China
| | - Yun-Bing Wang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610064, China
| | - Guo-Sheng Fu
- Key Laboratory of Cardiovascular Intervention and Regenerative Medicine of Zhejiang Province, Department of Cardiology, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou, 310016, China
| | - Jian Ji
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
- Key Laboratory of Cardiovascular Intervention and Regenerative Medicine of Zhejiang Province, Department of Cardiology, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou, 310016, China
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11
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Hu M, Jia F, Huang WP, Li X, Hu DF, Wang J, Ren KF, Fu GS, Wang YB, Ji J. Substrate stiffness differentially impacts autophagy of endothelial cells and smooth muscle cells. Bioact Mater 2021; 6:1413-1422. [PMID: 33210033 PMCID: PMC7658328 DOI: 10.1016/j.bioactmat.2020.10.013] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Revised: 10/21/2020] [Accepted: 10/21/2020] [Indexed: 01/07/2023] Open
Abstract
Stiffening of blood vessels is one of the most important characteristics in the process of many cardiovascular pathologies such as atherosclerosis, angiosteosis, and vascular aging. Increased stiffness of the vascular extracellular matrix drives artery pathology and alters phenotypes of vascular cell. Understanding how substrate stiffness impacts vascular cell behaviors is of great importance to the biomaterial design in tissue engineering, regenerative medicine, and medical devices. Here we report that changing substrate stiffness has a significant impact on the autophagy of vascular endothelial cells (VECs) and smooth muscle cells (VSMCs). Interestingly, our findings demonstrate that, with the increase of substrate stiffness, the autophagy level of VECs and VSMCs showed differential changes: endothelial autophagy levels reduced, leading to the reductions in a range of gene expression associated with endothelial function; while, autophagy levels of VSMCs increased, showing a transition from contractile to the synthetic phenotype. We further demonstrate that, by inhibiting cell autophagy, the expressions of endothelial functional gene were further reduced and the expression of VSMC calponin increased, suggesting an important role of autophagy in response of the cells to the challenge of microenvironment stiffness changing. Although the underlying mechanism requires further study, this work highlights the relationship of substrate stiffness, autophagy, and vascular cell behaviors, and enlightening the design principles of surface stiffness of biomaterials in cardiovascular practical applications.
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Affiliation(s)
- Mi Hu
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Fan Jia
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Wei-Pin Huang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Xu Li
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Deng-Feng Hu
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Jing Wang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Ke-Feng Ren
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Guo-Sheng Fu
- Key Laboratory of Cardiovascular Intervention and Regenerative Medicine of Zhejiang Province, Department of Cardiology, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou, 310016, China
| | - Yun-Bing Wang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610064, China
| | - Jian Ji
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
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12
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Zhang M, Sun Q, Liu Y, Chu Z, Yu L, Hou Y, Kang H, Wei Q, Zhao W, Spatz JP, Zhao C, Cavalcanti-Adam EA. Controllable ligand spacing stimulates cellular mechanotransduction and promotes stem cell osteogenic differentiation on soft hydrogels. Biomaterials 2020; 268:120543. [PMID: 33260094 DOI: 10.1016/j.biomaterials.2020.120543] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 11/13/2020] [Accepted: 11/16/2020] [Indexed: 01/14/2023]
Abstract
Hydrogels with tunable mechanical properties have provided a tremendous opportunity to regulate stem cell differentiation. Hydrogels with osteoid (about 30-40 kPa) or higher stiffness are usually required to induce the osteogenic differentiation of mesenchymal stem cells (MSCs). It is yet difficult to achieve the same differentiation on very soft hydrogels, because of low environmental mechanical stimuli and restricted cellular mechanotransduction. Here, we modulate cellular spatial sensing of integrin-adhesive ligands via quasi-hexagonally arranged nanopatterns to promote cell mechanosensing on hydrogels having low stiffness (about 3 kPa). The increased interligand spacing has been shown to regulate actomyosin force loading to recruit extra integrins on soft hydrogels. It therefore activates mechanotransduction and promotes the osteogenic differentiation of MSCs on soft hydrogels to the level comparable with the one observed on osteoid stiffness. Our work opens up new possibilities for the design of biomaterials and tissue scaffolds for regenerative therapeutics.
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Affiliation(s)
- Man Zhang
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials and Engineering, Sichuan University, 610065, Chengdu, China; Department of Cellular Biophysics, Max Planck Institute for Medical Research, Jahnstraße 29, 69120, Heidelberg, Germany; Department of Biophysical Chemistry, Heidelberg University, INF 253, 69120, Heidelberg, Germany
| | - Qian Sun
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials and Engineering, Sichuan University, 610065, Chengdu, China
| | - Yiling Liu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials and Engineering, Sichuan University, 610065, Chengdu, China
| | - Zhiqin Chu
- Department of Electrical and Electronic Engineering, Joint Appointment with School of Biomedical Sciences, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Leixiao Yu
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Takustr. 3, 14195, Berlin, Germany
| | - Yong Hou
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Takustr. 3, 14195, Berlin, Germany
| | - Heemin Kang
- Department of Biomicrosystem Technology, Korea University, Seoul, 02841, Republic of Korea
| | - Qiang Wei
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials and Engineering, Sichuan University, 610065, Chengdu, China; College of Biomedical Engineering, Sichuan University, 610064, Chengdu, China.
| | - Weifeng Zhao
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials and Engineering, Sichuan University, 610065, Chengdu, China.
| | - Joachim P Spatz
- Department of Cellular Biophysics, Max Planck Institute for Medical Research, Jahnstraße 29, 69120, Heidelberg, Germany; Department of Biophysical Chemistry, Heidelberg University, INF 253, 69120, Heidelberg, Germany
| | - Changsheng Zhao
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials and Engineering, Sichuan University, 610065, Chengdu, China; College of Biomedical Engineering, Sichuan University, 610064, Chengdu, China
| | - Elisabetta A Cavalcanti-Adam
- Department of Cellular Biophysics, Max Planck Institute for Medical Research, Jahnstraße 29, 69120, Heidelberg, Germany; Department of Biophysical Chemistry, Heidelberg University, INF 253, 69120, Heidelberg, Germany
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13
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Zhao J, Feng Y. Surface Engineering of Cardiovascular Devices for Improved Hemocompatibility and Rapid Endothelialization. Adv Healthc Mater 2020; 9:e2000920. [PMID: 32833323 DOI: 10.1002/adhm.202000920] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Revised: 07/18/2020] [Indexed: 12/13/2022]
Abstract
Cardiovascular devices have been widely applied in the clinical treatment of cardiovascular diseases. However, poor hemocompatibility and slow endothelialization on their surface still exist. Numerous surface engineering strategies have mainly sought to modify the device surface through physical, chemical, and biological approaches to improve surface hemocompatibility and endothelialization. The alteration of physical characteristics and pattern topographies brings some hopeful outcomes and plays a notable role in this respect. The chemical and biological approaches can provide potential signs of success in the endothelialization of vascular device surfaces. They usually involve therapeutic drugs, specific peptides, adhesive proteins, antibodies, growth factors and nitric oxide (NO) donors. The gene engineering can enhance the proliferation, growth, and migration of vascular cells, thus boosting the endothelialization. In this review, the surface engineering strategies are highlighted and summarized to improve hemocompatibility and rapid endothelialization on the cardiovascular devices. The potential outlook is also briefly discussed to help guide endothelialization strategies and inspire further innovations. It is hoped that this review can assist with the surface engineering of cardiovascular devices and promote future advancements in this emerging research field.
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Affiliation(s)
- Jing Zhao
- School of Chemical Engineering and Technology Tianjin University Yaguan Road 135 Tianjin 300350 P. R. China
| | - Yakai Feng
- School of Chemical Engineering and Technology Tianjin University Yaguan Road 135 Tianjin 300350 P. R. China
- Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin) Yaguan Road 135 Tianjin 300350 P. R. China
- Key Laboratory of Systems Bioengineering (Ministry of Education) Tianjin University Tianjin 300072 P. R. China
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14
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Wang J, Xue Y, Chen X, Hu M, Ren K, Ji J. Humidity-Triggered Relaxation of Polyelectrolyte Complexes as a Robust Approach to Generate Extracellular Matrix Biomimetic Films. Adv Healthc Mater 2020; 9:e2000381. [PMID: 32548925 DOI: 10.1002/adhm.202000381] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Revised: 05/29/2020] [Indexed: 12/15/2022]
Abstract
Generating a biofunctional film that can mimic the extracellular matrix (ECM) in an efficient and robust technique that may have great potential for medical devices, tissue engineering, and regenerative medicines. Herein, a facile approach to generate ECM biomimetic films based on the humidity-triggered relaxation of polyelectrolyte complex (PEC) nanoparticles is reported. The poly(l-lysine) and hyaluronan are precomplexed and sprayed onto a substrate, which, via a trigger of vaporous water, can be transformed into an even and stable film. The spontaneous polymer chain interfusion (diffusion coefficient ≈1.01 × 10-9 cm2 s-1 ) under saturated humidity, allowing for the rapid reorganization (within 30 min) of film morphology and structure is demonstrated. A controllable and scalable way for the loading of diversified bioactive agents, as well as on-demand modulation of stiffness is further presented. Moreover, the high-throughput arrays and programmed patterns can be easily completed, suggesting huge potentials that surpass those of state-of-the-art methods. Combined with high efficiency and flexible functionalization, it is believed that this approach should be beneficial for extending the practical applications of PEC films, such as medical implants, chip detectors, and so on.
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Affiliation(s)
- Jing Wang
- MOE Key Laboratory of Macromolecule Synthesis and FunctionalizationDepartment of Polymer Science and EngineeringZhejiang University Hangzhou 310027 P. R. China
| | - Yun‐Fan Xue
- MOE Key Laboratory of Macromolecule Synthesis and FunctionalizationDepartment of Polymer Science and EngineeringZhejiang University Hangzhou 310027 P. R. China
| | - Xia‐Chao Chen
- MOE Key Laboratory of Macromolecule Synthesis and FunctionalizationDepartment of Polymer Science and EngineeringZhejiang University Hangzhou 310027 P. R. China
| | - Mi Hu
- MOE Key Laboratory of Macromolecule Synthesis and FunctionalizationDepartment of Polymer Science and EngineeringZhejiang University Hangzhou 310027 P. R. China
| | - Ke‐Feng Ren
- MOE Key Laboratory of Macromolecule Synthesis and FunctionalizationDepartment of Polymer Science and EngineeringZhejiang University Hangzhou 310027 P. R. China
| | - Jian Ji
- MOE Key Laboratory of Macromolecule Synthesis and FunctionalizationDepartment of Polymer Science and EngineeringZhejiang University Hangzhou 310027 P. R. China
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15
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Mertgen AS, Trossmann VT, Guex AG, Maniura-Weber K, Scheibel T, Rottmar M. Multifunctional Biomaterials: Combining Material Modification Strategies for Engineering of Cell-Contacting Surfaces. ACS APPLIED MATERIALS & INTERFACES 2020; 12:21342-21367. [PMID: 32286789 DOI: 10.1021/acsami.0c01893] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
In the human body, cells in a tissue are exposed to signals derived from their specific extracellular matrix (ECM), such as architectural structure, mechanical properties, and chemical composition (proteins, growth factors). Research on biomaterials in tissue engineering and regenerative medicine aims to recreate such stimuli using engineered materials to induce a specific response of cells at the interface. Although traditional biomaterials design has been mostly limited to varying individual signals, increasing interest has arisen on combining several features in recent years to improve the mimicry of extracellular matrix properties. Tremendous progress in combinatorial surface modification exploiting, for example, topographical features or variations in mechanics combined with biochemical cues has enabled the identification of their key regulatory characteristics on various cell fate decisions. Gradients especially facilitated such research by enabling the investigation of combined continuous changes of different signals. Despite unravelling important synergies for cellular responses, challenges arise in terms of fabrication and characterization of multifunctional engineered materials. This review summarizes recent work on combinatorial surface modifications that aim to control biological responses. Modification and characterization methods for enhanced control over multifunctional material properties are highlighted and discussed. Thereby, this review deepens the understanding and knowledge of biomimetic combinatorial material modification, their challenges but especially their potential.
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Affiliation(s)
- Anne-Sophie Mertgen
- Laboratory for Biointerfaces, Empa, Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, St. Gallen 9014, Switzerland
- Laboratory for Biomimetic Membranes and Textiles, Empa, Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, St. Gallen 9014, Switzerland
| | - Vanessa Tanja Trossmann
- Lehrstuhl für Biomaterialien, Universität Bayreuth, Prof.-Rüdiger-Bormann-Strasse 1, Bayreuth 95440, Germany
| | - Anne Géraldine Guex
- Laboratory for Biointerfaces, Empa, Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, St. Gallen 9014, Switzerland
- Laboratory for Biomimetic Membranes and Textiles, Empa, Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, St. Gallen 9014, Switzerland
| | - Katharina Maniura-Weber
- Laboratory for Biointerfaces, Empa, Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, St. Gallen 9014, Switzerland
| | - Thomas Scheibel
- Lehrstuhl für Biomaterialien, Bayerisches Polymerinstitut (BPI), Bayreuther Zentrum für Kolloide und Grenzflächen (BZKG), Bayreuther Zentrum für Molekulare Biowissenschaften (BZMB), Bayreuther Materialzentrum (BayMAT), Universität Bayreuth, Bayreuth 95440, Germany
| | - Markus Rottmar
- Laboratory for Biointerfaces, Empa, Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, St. Gallen 9014, Switzerland
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16
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Yi B, Shen Y, Tang H, Wang X, Zhang Y. Stiffness of the aligned fibers affects structural and functional integrity of the oriented endothelial cells. Acta Biomater 2020; 108:237-249. [PMID: 32205213 DOI: 10.1016/j.actbio.2020.03.022] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 03/17/2020] [Accepted: 03/17/2020] [Indexed: 01/24/2023]
Abstract
Promoting healthy endothelialization of the tissue-engineered vascular grafts is of great importance in preventing the occurrence of undesired post-implantation complications including neointimal hyperplasia, late thrombosis, and neoatherosclerosis. Previous researches have demonstrated the crucial role of scaffold topography or stiffness in modulating the behavior of the monolayer endothelial cells (ECs). However, effects of the stiffness of scaffolds with anisotropic topography on ECs within vivo like oriented morphology has received little attention. In this study, aligned fibrous substrates (AFSs) with tunable stiffness (14.68-2141.72 MPa), similar to the range of stiffness of the healthy and diseased subendothelial matrix, were used to investigate the effects of fiber stiffness on ECs' attachment, orientation, proliferation, function, remodeling and dysfunction. The results demonstrate that stiffness of the AFSs, capable of providing topographical cues, is a crucial endothelium-protective microenvironmental factor by maintaining stable and quiescent endothelium with in vivo like orientation and strong cell-cell junctions. Stiffer AFSs exacerbated the disruption of endothelium integrity, the occurrence of endothelial-to-mesenchymal transition (EndMT), and the inflammation-induced activation in the endothelial monolayer. This study provides new insights into the understanding on how the stiffness of biomimicking anisotropic substrate regulates the structural and functional integrity of the in vivo like endothelial monolayer, and offers essential designing parameters in engineering biomimicking small-diameter vascular grafts for the regeneration of viable blood vessels. STATEMENT OF SIGNIFICANCE: In vascular tissue engineering, promoting endothelialization on scaffold surface has been considered as a paramount strategy to reduce post-implantation complications. Electrospun aligned fibers have been known to provide contact guidance effect in directing endothelial cells' oriented growth, however, whether the formed EC monolayer in 'correct' orientation shape is of 'correct' function hasn't been explored yet. Given the recognized important role of substrate stiffness in endothelial function, AFSs across physiologically relevant range of moduli (14.68-2141.72 MPa) while maintaining consistent surface chemistry and topographical features were employed to investigate the fiber stiffness effects on ECs function in anisotropic morphology. This study will provide more insightful perspectives in the physiologically remodeling progression of vascular endothelium and design of vascular scaffolds.
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17
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Wang T, Nanda SS, Papaefthymiou GC, Yi DK. Mechanophysical Cues in Extracellular Matrix Regulation of Cell Behavior. Chembiochem 2020; 21:1254-1264. [DOI: 10.1002/cbic.201900686] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Indexed: 12/22/2022]
Affiliation(s)
- Tuntun Wang
- Department of ChemistryMyongji University Yongin 449-728 Republic of Korea
| | | | | | - Dong Kee Yi
- Department of ChemistryMyongji University Yongin 449-728 Republic of Korea
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18
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Wang J, Xue Y, Liu J, Hu M, Zhang H, Ren K, Wang Y, Ji J. Hierarchical Capillary Coating to Biofunctionlize Drug-Eluting Stent for Improving Endothelium Regeneration. RESEARCH (WASHINGTON, D.C.) 2020; 2020:1458090. [PMID: 32885169 PMCID: PMC7455884 DOI: 10.34133/2020/1458090] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Accepted: 07/23/2020] [Indexed: 04/12/2023]
Abstract
The drug-eluting stent (DES) has become one of the most successful and important medical devices for coronary heart disease, but yet suffers from insufficient endothelial cell (EC) growth and intima repair, eventually leading to treatment failure. Although biomacromolecules such as vascular endothelial growth factor (VEGF) would be promising to promote the intima regeneration, combining hydrophilic and vulnerable biomacromolecules with hydrophobic drugs as well as preserving the bioactivity after harsh treatments pose a huge challenge. Here, we report on a design of hierarchical capillary coating, which composes a base solid region and a top microporous region for incorporating rapamycin and VEGF, respectively. The top spongy region can guarantee the efficient, safe, and controllable loading of VEGF up to 1 μg/cm2 in 1 minute, providing a distinctive real-time loading capacity for saving the bioactivity. Based on this, we demonstrate that our rapamycin-VEGF hierarchical coating impressively promoted the competitive growth of endothelial cells over smooth muscle cells (ratio of EC/SMC~25) while relieving the adverse impact of rapamycin to ECs. We further conducted the real-time loading of VEGF on stents and demonstrate that the hierarchical combination of rapamycin and VEGF showed remarkable endothelium regeneration while maintaining a very low level of in-stent restenosis. This work paves an avenue for the combination of both hydrophobic and hydrophilic functional molecules, which should benefit the next generation of DES and may extend applications to diversified combination medical devices.
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Affiliation(s)
- Jing Wang
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Yunfan Xue
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Jun Liu
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Mi Hu
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - He Zhang
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Kefeng Ren
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
| | - Jian Ji
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
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19
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Matrix stiffening induces endothelial dysfunction via the TRPV4/microRNA-6740/endothelin-1 mechanotransduction pathway. Acta Biomater 2019; 100:52-60. [PMID: 31606530 DOI: 10.1016/j.actbio.2019.10.013] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 09/16/2019] [Accepted: 10/04/2019] [Indexed: 11/22/2022]
Abstract
Vascular stiffening is associated with the prognosis of cardiovascular disease (CVD). Endothelial dysfunction, as shown by reduced vasodilation and increased vasoconstriction, not only affects vascular tone, but also accelerates the progression of CVD. However, the precise effect of vascular stiffening on endothelial function and its mechanism is unclear and a possible underlying has not been determined. In this study, we found that increasing substrate stiffness promoted endothelin-1 (ET-1) expression and inhibited endothelial nitric oxide synthase expression in human umbilical vein endothelial cells. Additionally, miR-6740-5p was identified as a stiffness-sensitive microRNA, which was downregulated by a stiff substrate, resulting in increased ET-1 expression. Furthermore, we found that substrate stiffening reduced the expression and activity of the calcium channel TRPV4, which subsequently enhanced ET-1 expression by inhibiting miR-6740-5p. Finally, analysis of clinical plasma samples showed that plasma miR-6740-5p levels in patients with carotid atherosclerosis were significantly lower than those in healthy people. Taken together, our findings show a novel mechanically regulated TRPV4/miR-6740/ET-1 signaling axis by which substrate stiffness affects endothelial function. Our findings indicate that vascular stiffening induces endothelial dysfunction, thereby accelerating progression of CVD. Furthermore, this study indicates that endothelial dysfunction induced by improper biophysical cues from cardiovascular implants may be an important reason for complications arising from the use of cardiovascular implants. STATEMENT OF SIGNIFICANCE: Cardiovascular disease is the leading cause of morbidity and mortality worldwide. The incidence of cardiovascular disease is accompanied by increased vascular stiffness. Our work indicated that increased vascular stiffness accelerates the development of cardiovascular disease by inducing endothelial dysfunction, which is a key contributor to the pathogenesis of cardiovascular disease. In addition, we identified a novel underlying molecular pathophysiological mechanism by which increased stiffness induce endothelial dysfunction. Our work could help determine the pathogenesis of cardiovascular disease induced by biomechanical factors.
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20
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Abstract
Physical stimuli are essential for the function of eukaryotic cells, and changes in physical signals are important elements in normal tissue development as well as in disease initiation and progression. The complexity of physical stimuli and the cellular signals they initiate are as complex as those triggered by chemical signals. One of the most important, and the focus of this review, is the effect of substrate mechanical properties on cell structure and function. The past decade has produced a nearly exponentially increasing number of mechanobiological studies to define how substrate stiffness alters cell biology using both purified systems and intact tissues. Here we attempt to identify common features of mechanosensing in different systems while also highlighting the numerous informative exceptions to what in early studies appeared to be simple rules by which cells respond to mechanical stresses.
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Affiliation(s)
- Paul A Janmey
- Department of Physiology, Institute for Medicine and Engineering, University of Pennsylvania, Philadelphia, Pennsylvania; Department of Bioengineering, University of California-Berkeley, Berkeley, California; and Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee
| | - Daniel A Fletcher
- Department of Physiology, Institute for Medicine and Engineering, University of Pennsylvania, Philadelphia, Pennsylvania; Department of Bioengineering, University of California-Berkeley, Berkeley, California; and Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee
| | - Cynthia A Reinhart-King
- Department of Physiology, Institute for Medicine and Engineering, University of Pennsylvania, Philadelphia, Pennsylvania; Department of Bioengineering, University of California-Berkeley, Berkeley, California; and Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee
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21
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Yu C, Xing M, Sun S, Guan G, Wang L. In vitro evaluation of vascular endothelial cell behaviors on biomimetic vascular basement membranes. Colloids Surf B Biointerfaces 2019; 182:110381. [PMID: 31351274 DOI: 10.1016/j.colsurfb.2019.110381] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 07/15/2019] [Accepted: 07/18/2019] [Indexed: 12/14/2022]
Abstract
Vascular basement membrane (VBM) is a thin layer of fibrous extracellular matrix linking endothelium, and collagen type IV (COL IV) is its main composition. VBM plays a crucial role in anchoring down the endothelium to its loose connective tissue underneath. For vascular grafts, constructing biomimetic VBMs on the luminal surface is thus an effective approach to improve endothelialization in situ. In the present work, three types of polycaprolactone (PCL) membranes were produced and characterized through cell counting kit-8 (CCK-8) assay, adhesion force and elastic modulus test to examine the influence of fiber diameter and membrane composition on vascular endothelial cell (EC) behaviors. The PCL membranes with finer fibers of 54.77 nm (PCL-54) could biomimic the nanotopography of VBMs more efficiently than 544.64 nm (PCL-544), and they were more suitable for Pig iliac endothelium cells (PIECs) adhesion and proliferation, meanwhile, inducing higher elastic modulus and adhesion force of PIECs. On this foundation, we further immobilized COL IV onto PCL-54 (PCL-COL IV) to biomimic VBMs compositionally. Results showed that PIECs on PCL-COL IV exhibited the highest viability and proliferation. Besides, quantitative data indicated that the elastic modulus of the PIECs on PCL-COL IV (4441.00 Pa) was as two times higher than that on PCL-54 (2312.26 Pa), and the adhesion force grew to 1120.99 pN from 673.58 pN of PIECs on PCL-54. In summary, the PCL-COL IV membranes show high similarity with the native VBMs in terms of structure and composition, suggesting a promising potential for surface modification to vascular grafts for improved endothelialization.
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Affiliation(s)
- Chenglong Yu
- Engineering Research Center of Technical Textile, Ministry of Education, Key Laboratory of Textile Science and Technology of Ministry of Education, Key Laboratory of Textile Industry for Biomedical Textile materials and Technology, College of Textiles, Donghua University, 2999 North Renmin Road, Shanghai, 201620, China
| | - Meiyi Xing
- Engineering Research Center of Technical Textile, Ministry of Education, Key Laboratory of Textile Science and Technology of Ministry of Education, Key Laboratory of Textile Industry for Biomedical Textile materials and Technology, College of Textiles, Donghua University, 2999 North Renmin Road, Shanghai, 201620, China
| | - Shibo Sun
- Engineering Research Center of Technical Textile, Ministry of Education, Key Laboratory of Textile Science and Technology of Ministry of Education, Key Laboratory of Textile Industry for Biomedical Textile materials and Technology, College of Textiles, Donghua University, 2999 North Renmin Road, Shanghai, 201620, China
| | - Guoping Guan
- Engineering Research Center of Technical Textile, Ministry of Education, Key Laboratory of Textile Science and Technology of Ministry of Education, Key Laboratory of Textile Industry for Biomedical Textile materials and Technology, College of Textiles, Donghua University, 2999 North Renmin Road, Shanghai, 201620, China.
| | - Lu Wang
- Engineering Research Center of Technical Textile, Ministry of Education, Key Laboratory of Textile Science and Technology of Ministry of Education, Key Laboratory of Textile Industry for Biomedical Textile materials and Technology, College of Textiles, Donghua University, 2999 North Renmin Road, Shanghai, 201620, China.
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22
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Layer-by-layer assembly as a robust method to construct extracellular matrix mimic surfaces to modulate cell behavior. Prog Polym Sci 2019. [DOI: 10.1016/j.progpolymsci.2019.02.004] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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23
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James BD, Allen JB. Vascular Endothelial Cell Behavior in Complex Mechanical Microenvironments. ACS Biomater Sci Eng 2018; 4:3818-3842. [PMID: 33429612 DOI: 10.1021/acsbiomaterials.8b00628] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The vascular mechanical microenvironment consists of a mixture of spatially and temporally changing mechanical forces. This exposes vascular endothelial cells to both hemodynamic forces (fluid flow, cyclic stretching, lateral pressure) and vessel forces (basement membrane mechanical and topographical properties). The vascular mechanical microenvironment is "complex" because these forces are dynamic and interrelated. Endothelial cells sense these forces through mechanosensory structures and transduce them into functional responses via mechanotransduction pathways, culminating in behavior directly affecting vascular health. Recent in vitro studies have shown that endothelial cells respond in nuanced and unique ways to combinations of hemodynamic and vessel forces as compared to any single mechanical force. Understanding the interactive effects of the complex mechanical microenvironment on vascular endothelial behavior offers the opportunity to design future biomaterials and biomedical devices from the bottom-up by engineering for the cellular response. This review describes and defines (1) the blood vessel structure, (2) the complex mechanical microenvironment of the vascular endothelium, (3) the process in which vascular endothelial cells sense mechanical forces, and (4) the effect of mechanical forces on vascular endothelial cells with specific attention to recent works investigating the influence of combinations of mechanical forces. We conclude this review by providing our perspective on how the field can move forward to elucidate the effects of the complex mechanical microenvironment on vascular endothelial cell behavior.
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Affiliation(s)
- Bryan D James
- Department of Materials Science & Engineering, University of Florida, 100 Rhines Hall, PO Box 116400, Gainesville, Florida 32611, United States.,Institute for Computational Engineering, University of Florida, 300 Weil Hall, PO Box 116550, Gainesville, Florida 32611, United States
| | - Josephine B Allen
- Department of Materials Science & Engineering, University of Florida, 100 Rhines Hall, PO Box 116400, Gainesville, Florida 32611, United States.,Institute for Cell and Tissue Science and Engineering, 300 Weil Hall, PO Box 116550, Gainesville, Florida 32611, United States
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24
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Liao S, He Q, Yang L, Liu S, Zhang Z, Guidoin R, Fu Q, Xie X. Toward endothelialization via vascular endothelial growth factor immobilization on cell-repelling functional polyurethanes. J Biomed Mater Res B Appl Biomater 2018; 107:965-977. [PMID: 30265778 DOI: 10.1002/jbm.b.34190] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2017] [Revised: 06/04/2018] [Accepted: 06/12/2018] [Indexed: 02/05/2023]
Abstract
We screened a family of nonspecific cell-repelling polyurethanes (PUs) whose backbones are attached with epoxy group-terminated polyethylene glycol (PEG) side chains. Water incubation of the PU films (with 9.2-31.1 wt % PEG) caused a surface enrichment of PEG chains where vascular endothelial growth factor (VEGF) was grafted by forming secondary amine linkages between VEGF molecules and the PEG spacer. These linkages are still ionizable similar to original primary amines in VEGF, thereby retaining the original charge distribution on VEGF macromolecules. This charge conservation together with PEG steric repulsion helped to preserve VEGF conformation and bioactivity. The PU substrates with suitable hard segments contents and VEGF surface densities can selectively induce endothelial cells (ECs) adhesion and proliferation toward endothelialization. Moreover, the PU substrates, even grafted with fibrinogen (Fg), cannot trigger platelet adhesion and deformation, suggesting an inactive conformation of the grafted Fg. Thus enough antithrombogenicity of the PU substrates could be expected before full endothelialization. These PU materials might be applied onto the lumens of vascular grafts, potentially stimulating luminal endothelialization in vivo. © 2018 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater 107B: 965-977, 2019.
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Affiliation(s)
- Shurui Liao
- Department of Polymeric Biomaterials and Artificial Organs, College of Polymer Science and Engineering, Sichuan University, Chengdu, Sichuan 610065, China
| | - Qiang He
- Department of Polymeric Biomaterials and Artificial Organs, College of Polymer Science and Engineering, Sichuan University, Chengdu, Sichuan 610065, China
| | - Lie Yang
- Department of Gastrointestinal Surgery, West China Hospital and State Key Laboratory of Biotherapy, Sichuan University, Chengdu, Sichuan 610041, China
| | - Shuai Liu
- Department of Polymeric Biomaterials and Artificial Organs, College of Polymer Science and Engineering, Sichuan University, Chengdu, Sichuan 610065, China
| | - Ze Zhang
- Division of Regenerative Medicine, CHU de Québec Research Centre, Quebec City, Quebec G1L 3L5, Canada.,Department of Surgery, Faculty of Medicine, Laval University, Quebec City, Quebec G1V 0A6, Canada
| | - Robert Guidoin
- Division of Regenerative Medicine, CHU de Québec Research Centre, Quebec City, Quebec G1L 3L5, Canada.,Department of Surgery, Faculty of Medicine, Laval University, Quebec City, Quebec G1V 0A6, Canada
| | - Qiang Fu
- Department of Polymeric Biomaterials and Artificial Organs, College of Polymer Science and Engineering, Sichuan University, Chengdu, Sichuan 610065, China
| | - Xingyi Xie
- Department of Polymeric Biomaterials and Artificial Organs, College of Polymer Science and Engineering, Sichuan University, Chengdu, Sichuan 610065, China
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25
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Massé DD, Shar JA, Brown KN, Keswani SG, Grande-Allen KJ, Sucosky P. Discrete Subaortic Stenosis: Perspective Roadmap to a Complex Disease. Front Cardiovasc Med 2018; 5:122. [PMID: 30320123 PMCID: PMC6166095 DOI: 10.3389/fcvm.2018.00122] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Accepted: 08/17/2018] [Indexed: 12/13/2022] Open
Abstract
Discrete subaortic stenosis (DSS) is a congenital heart disease that results in the formation of a fibro-membranous tissue, causing an increased pressure gradient in the left ventricular outflow tract (LVOT). While surgical resection of the membrane has shown some success in eliminating the obstruction, it poses significant risks associated with anesthesia, sternotomy, and heart bypass, and it remains associated with a high rate of recurrence. Although a genetic etiology had been initially proposed, the association between DSS and left ventricle (LV) geometrical abnormalities has provided more support to a hemodynamic etiology by which congenital or post-surgical LVOT geometric derangements could generate abnormal shear forces on the septal wall, triggering in turn a fibrotic response. Validating this hypothetical etiology and understanding the mechanobiological processes by which altered shear forces induce fibrosis in the LVOT are major knowledge gaps. This perspective paper describes the current state of knowledge of DSS, articulates the research needs to yield mechanistic insights into a significant pathologic process that is poorly understood, and proposes several strategies aimed at elucidating the potential mechanobiological synergies responsible for DSS pathogenesis. The proposed roadmap has the potential to improve DSS management by identifying early targets for prevention of the fibrotic lesion, and may also prove beneficial in other fibrotic cardiovascular diseases associated with altered flow.
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Affiliation(s)
- Danielle D Massé
- Department of Mechanical and Materials Engineering, Wright State University, Dayton, OH, United States
| | - Jason A Shar
- Department of Mechanical and Materials Engineering, Wright State University, Dayton, OH, United States
| | - Kathleen N Brown
- Department of Bioengineering, Rice University, Houston, TX, United States
| | - Sundeep G Keswani
- Division of Pediatric Surgery, Texas Children's Hospital, Houston, TX, United States.,Department of Surgery, Baylor College of Medicine, Houston, TX, United States
| | | | - Philippe Sucosky
- Department of Mechanical and Materials Engineering, Wright State University, Dayton, OH, United States
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26
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Jiang S, Li SC, Huang C, Chan BP, Du Y. Physical Properties of Implanted Porous Bioscaffolds Regulate Skin Repair: Focusing on Mechanical and Structural Features. Adv Healthc Mater 2018; 7:e1700894. [PMID: 29334185 DOI: 10.1002/adhm.201700894] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Revised: 10/23/2017] [Indexed: 01/07/2023]
Abstract
Porous bioscaffolds are applied to facilitate skin repair since the early 1990s, but a perfect regeneration outcome has yet to be achieved. Until now, most efforts have focused on modulating the chemical properties of bioscaffolds, while physical properties are traditionally overlooked. Recent advances in mechanobiology and mechanotherapy have highlighted the importance of biomaterials' physical properties in the regulation of cellular behaviors and regenerative processes. In skin repair, the mechanical and structural features of porous bioscaffolds are two major physical properties that determine therapeutic efficacy. Here, first an overview of natural skin repair with an emphasis on the major biophysically sensitive cell types involved in this multistage process is provided, followed by an introduction of the four roles of bioscaffolds as skin implants. Then, how the mechanical and structural features of bioscaffolds influence these four roles is discussed. The mechanical and structural features of porous bioscaffolds should be tailored to balance the acceleration of wound closure and functional improvements of the repaired skin. This study emphasizes that decoupling and precise control of the mechanical and structural features of bioscaffolds are significant aspects that should be considered in future biomaterial optimization, which can build a foundation to ultimately achieve perfect skin regeneration outcomes.
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Affiliation(s)
- Shumeng Jiang
- Department of Biomedical Engineering School of Medicine Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases MOE Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology Tsinghua University Beijing 100084 China
| | - Sabrina Cloud Li
- Department of Biomedical Engineering School of Medicine Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases MOE Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology Tsinghua University Beijing 100084 China
| | - Chenyu Huang
- Beijing Tsinghua Changgung Hospital Tsinghua University Beijing 102218 China
| | - Barbara Pui Chan
- Tissue Engineering Laboratory Department of Mechanical Engineering The University of Hong Kong Hong Kong Special Administrative Region China
| | - Yanan Du
- Department of Biomedical Engineering School of Medicine Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases MOE Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology Tsinghua University Beijing 100084 China
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27
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Fish scale-derived collagen patch promotes growth of blood and lymphatic vessels in vivo. Acta Biomater 2017; 63:246-260. [PMID: 28888665 DOI: 10.1016/j.actbio.2017.09.001] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Revised: 08/28/2017] [Accepted: 09/01/2017] [Indexed: 01/11/2023]
Abstract
In this study, Type I collagen was extracted from fish scales asa potential alternative source of collagen for tissue engineering applications. Since unmodified collagen typically has poor mechanical and degradation stability both in vitro and in vivo, additional methylation modification and 1,4-butanediol diglycidyl ether (BDE) crosslinking steps were used to improve the physicochemical properties of fish scale-derived collagen. Subsequently, in vivo studies using a murine model demonstrated the biocompatibility of the different fish scale-derived collagen patches. In general, favorable integration of the collagen patches to the surrounding tissues, with good infiltration of cells, blood vessels (BVs) and lymphatic vessels (LVs) were observed under growth factor-free conditions. Interestingly, significantly higher (p<0.05) number of LVs was found to be more abundant around collagen patches with methylation modification and BDE crosslinking. Overall, we have demonstrated the potential application of fish scale-derived collagen as a promising scaffolding material for various biomedical applications. STATEMENT OF SIGNIFICANCE Currently the most common sources of collagen are of bovine and porcine origins, although the industrial use of collagen obtained from non-mammalian species is growing in importance, particularly since they have a lower risk of disease transmission and are not subjected to any cultural or religious constraints. However, unmodified collagen typically has poor mechanical and degradation stability both in vitro and in vivo. Hence, in this study, Type I collagen was successfully extracted from fish scales and chemically modified and crosslinked. In vitro studies showed overall improvement in the physicochemical properties of the material, whilst in vivo implantation studies showed improvements in the growth of blood and lymphatic host vessels in the vicinity of the implants.
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28
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Wei Y, Zhang J, Feng X, Liu D. Bioactive zwitterionic polymer brushes grafted from silicon wafers via SI-ATRP for enhancement of antifouling properties and endothelial cell selectivity. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2017; 28:2101-2116. [DOI: 10.1080/09205063.2017.1376829] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Yu Wei
- School of Chemical and Pharmaceutical Engineering, Huanghuai University, Zhumadian, China
| | - Jingxun Zhang
- School of Chemical and Pharmaceutical Engineering, Huanghuai University, Zhumadian, China
| | - Xiantao Feng
- School of Chemical and Pharmaceutical Engineering, Huanghuai University, Zhumadian, China
| | - Dongyin Liu
- School of Chemical and Pharmaceutical Engineering, Huanghuai University, Zhumadian, China
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29
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Raczkowska J, Awsiuk K, Prauzner-Bechcicki S, Pabijan J, Zemła J, Budkowski A, Lekka M. Patterning of cancerous cells driven by a combined modification of mechanical and chemical properties of the substrate. Eur Polym J 2017. [DOI: 10.1016/j.eurpolymj.2017.01.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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30
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Cipitria A, Salmeron-Sanchez M. Mechanotransduction and Growth Factor Signalling to Engineer Cellular Microenvironments. Adv Healthc Mater 2017; 6. [PMID: 28792683 DOI: 10.1002/adhm.201700052] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2017] [Revised: 03/20/2017] [Indexed: 12/20/2022]
Abstract
Engineering cellular microenvironments involves biochemical factors, the extracellular matrix (ECM) and the interaction with neighbouring cells. This progress report provides a critical overview of key studies that incorporate growth factor (GF) signalling and mechanotransduction into the design of advanced microenvironments. Materials systems have been developed for surface-bound presentation of GFs, either covalently tethered or sequestered through physico-chemical affinity to the matrix, as an alternative to soluble GFs. Furthermore, some materials contain both GF and integrin binding regions and thereby enable synergistic signalling between the two. Mechanotransduction refers to the ability of the cells to sense physical properties of the ECM and to transduce them into biochemical signals. Various aspects of the physics of the ECM, i.e. stiffness, geometry and ligand spacing, as well as time-dependent properties, such as matrix stiffening, degradability, viscoelasticity, surface mobility as well as spatial patterns and gradients of physical cues are discussed. To conclude, various examples illustrate the potential for cooperative signalling of growth factors and the physical properties of the microenvironment for potential applications in regenerative medicine, cancer research and drug testing.
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Affiliation(s)
- Amaia Cipitria
- Julius Wolff Institute & Center for Musculoskeletal Surgery; Charité - Universitätsmedizin Berlin; 13353 Berlin Germany
- Berlin-Brandenburg Center for Regenerative Therapies; Charité - Universitätsmedizin Berlin; 13353 Berlin Germany
| | - Manuel Salmeron-Sanchez
- Division of Biomedical Engineering; School of Engineering; University of Glasgow; Glasgow G128LT UK
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31
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Ben-Akiva E, Meyer RA, Wilson DR, Green JJ. Surface engineering for lymphocyte programming. Adv Drug Deliv Rev 2017; 114:102-115. [PMID: 28501510 PMCID: PMC5688954 DOI: 10.1016/j.addr.2017.05.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Revised: 05/01/2017] [Accepted: 05/08/2017] [Indexed: 12/11/2022]
Abstract
The once nascent field of immunoengineering has recently blossomed to include approaches to deliver and present biomolecules to program diverse populations of lymphocytes to fight disease. Building upon improved understanding of the molecular and physical mechanics of lymphocyte activation, varied strategies for engineering surfaces to activate and deactivate T-Cells, B-Cells and natural killer cells are in preclinical and clinical development. Surfaces have been engineered at the molecular level in terms of the presence of specific biological factors, their arrangement on a surface, and their diffusivity to elicit specific lymphocyte fates. In addition, the physical and mechanical characteristics of the surface including shape, anisotropy, and rigidity of particles for lymphocyte activation have been fine-tuned. Utilizing these strategies, acellular systems have been engineered for the expansion of T-Cells and natural killer cells to clinically relevant levels for cancer therapies as well as engineered to program B-Cells to better combat infectious diseases.
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Affiliation(s)
- Elana Ben-Akiva
- Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA; Translational Tissue Engineering Center, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA; Institute for Nanobiotechnology, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA; Johns Hopkins Bloomberg~Kimmel Institute for Cancer Immunotherapy, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA
| | - Randall A Meyer
- Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA; Translational Tissue Engineering Center, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA; Institute for Nanobiotechnology, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA
| | - David R Wilson
- Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA; Translational Tissue Engineering Center, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA; Institute for Nanobiotechnology, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA
| | - Jordan J Green
- Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA; Translational Tissue Engineering Center, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA; Institute for Nanobiotechnology, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA; Johns Hopkins Bloomberg~Kimmel Institute for Cancer Immunotherapy, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA; Department of Materials Science and Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA; Department of Chemical and Biomolecular Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA; Department of Ophthalmology, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA; Department of Oncology, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA; Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA.
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32
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Horizontal alignment of 5' -> 3' intergene distance segment tropy with respect to the gene as the conserved basis for DNA transcription. Future Sci OA 2017; 3:FSO160. [PMID: 28344824 PMCID: PMC5351715 DOI: 10.4155/fsoa-2016-0070] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2016] [Accepted: 10/31/2016] [Indexed: 01/31/2023] Open
Abstract
AIM To study the conserved basis for gene expression in comparative cell types at opposite ends of the cell pressuromodulation spectrum, the lymphatic endothelial cell and the blood microvascular capillary endothelial cell. METHODS The mechanism for gene expression is studied in terms of the 5' -> 3' direction paired point tropy quotients (prpTQs) and the final 5' -> 3' direction episodic sub-episode block sums split-integrated weighted average-averaged gene overexpression tropy quotient (esebssiwaagoTQ). RESULTS The final 5' -> 3' esebssiwaagoTQ classifies an lymphatic endothelial cell overexpressed gene as a supra-pressuromodulated gene (esebssiwaagoTQ ≥ 0.25 < 0.75) every time and classifies a blood microvascular capillary endothelial cell overexpressed gene every time as an infra-pressuromodulated gene (esebssiwaagoTQ < 0.25) (100% sensitivity; 100% specificity). CONCLUSION Horizontal alignment of 5' -> 3' intergene distance segment tropy wrt the gene is the basis for DNA transcription in the pressuromodulated state.
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