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Diaz-Lasprilla AM, McKee M, Jimenez-Vergara AC, Ravi S, Bellamy D, Ortega W, Crosby CO, Steele J, Plascencia-Villa G, Perry G, Munoz-Pinto DJ. Fabrication and Characterization of Quad-Component Bioinspired Hydrogels to Model Elevated Fibrin Levels in Central Nervous Tissue Scaffolds. Gels 2024; 10:203. [PMID: 38534621 DOI: 10.3390/gels10030203] [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: 02/16/2024] [Revised: 03/08/2024] [Accepted: 03/13/2024] [Indexed: 03/28/2024] Open
Abstract
Multicomponent interpenetrating polymer network (mIPN) hydrogels are promising tissue-engineering scaffolds that could closely resemble key characteristics of native tissues. The mechanical and biochemical properties of mIPNs can be finely controlled to mimic key features of target cellular microenvironments, regulating cell-matrix interactions. In this work, we fabricated hydrogels made of collagen type I (Col I), fibrin, hyaluronic acid (HA), and poly (ethylene glycol) diacrylate (PEGDA) using a network-by-network fabrication approach. With these mIPNs, we aimed to develop a biomaterial platform that supports the in vitro culture of human astrocytes and potentially serves to assess the effects of the abnormal deposition of fibrin in cortex tissue and simulate key aspects in the progression of neuroinflammation typically found in human pathologies such as Alzheimer's disease (AD), Parkinson's disease (PD), and tissue trauma. Our resulting hydrogels closely resembled the complex modulus of AD human brain cortex tissue (~7.35 kPa), promoting cell spreading while allowing for the modulation of fibrin and hyaluronic acid levels. The individual networks and their microarchitecture were evaluated using confocal laser scanning microscopy (CLSM) and scanning electron microscopy (SEM). Human astrocytes were encapsulated in mIPNs, and negligible cytotoxicity was observed 24 h after the cell encapsulation.
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Affiliation(s)
- Ana M Diaz-Lasprilla
- Engineering Science Department, D. R. Semmes School of Science, Trinity University, San Antonio, TX 78212, USA
| | - Meagan McKee
- Engineering Science Department, D. R. Semmes School of Science, Trinity University, San Antonio, TX 78212, USA
| | - Andrea C Jimenez-Vergara
- Engineering Science Department, D. R. Semmes School of Science, Trinity University, San Antonio, TX 78212, USA
| | - Swathisri Ravi
- Biology Department, D. R. Semmes School of Science, Trinity University, San Antonio, TX 78212, USA
| | - Devon Bellamy
- Chemistry Department, D. R. Semmes School of Science, Trinity University, San Antonio, TX 78212, USA
| | - Wendy Ortega
- Engineering Science Department, D. R. Semmes School of Science, Trinity University, San Antonio, TX 78212, USA
| | - Cody O Crosby
- Department of Physics, Southwestern University, Georgetown, TX 78626, USA
| | - Jennifer Steele
- Physics and Astronomy Department, D. R. Semmes School of Science, Trinity University, San Antonio, TX 78212, USA
| | - Germán Plascencia-Villa
- Department of Neuroscience, Developmental and Regenerative Biology, College of Sciences, The University of Texas at San Antonio (UTSA), San Antonio, TX 78249, USA
| | - George Perry
- Department of Neuroscience, Developmental and Regenerative Biology, College of Sciences, The University of Texas at San Antonio (UTSA), San Antonio, TX 78249, USA
| | - Dany J Munoz-Pinto
- Engineering Science Department, D. R. Semmes School of Science, Trinity University, San Antonio, TX 78212, USA
- Neuroscience Program, D. R. Semmes School of Science, Trinity University, San Antonio, TX 78212, USA
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2
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Ullah M, Mirshahi S, Valinattaj Omran A, Aldybiat I, Crepaux S, Soria J, Contant G, Pocard M, Mirshahi M. Blood Clot Dynamics and Fibrinolysis Impairment in Cancer: The Role of Plasma Histones and DNA. Cancers (Basel) 2024; 16:928. [PMID: 38473289 DOI: 10.3390/cancers16050928] [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: 12/31/2023] [Revised: 02/05/2024] [Accepted: 02/14/2024] [Indexed: 03/14/2024] Open
Abstract
BACKGROUND Blood viscoelasticity and plasma protein levels can play an important role in the diagnosis and prognosis of cancer. However, the role of histones and DNA in modulating blood clot properties remains to be investigated. This study investigates the differences in blood viscoelasticity and plasma protein levels among cancer patients, individuals with other diseases, and healthy individuals. METHODS Blood samples were collected from 101 participants, including 45 cancer patients, 22 healthy individuals, and 34 individuals with other diseases. Rheological properties of clots formed in vitro by reconstituted elements of fibrinogen or plasma were analyzed with an Anton Paar Rheometer, USA. Plasma protein levels of D-dimer, TPA, EPCR, fibrinogen, and histone H3 were measured through ELISA. Blood clots were formed with or without DNA and histones (H3) by adding thrombin and calcium to plasma samples, and were evaluated for viscoelasticity, permeability, and degradation. RESULTS Cancer patients show higher blood viscoelasticity and plasma D-dimer levels compared to healthy individuals and individuals with other diseases. Our in vitro analysis showed that the addition of histone to the plasma results in a significant decrease in viscoelasticity and mean fiber thickness of the clot formed thereafter. In parallel studies, using plasma from patients, DNA and histones were detected in fibrin clots and were associated with less degradation by t-PA. Moreover, our results show that the presence of DNA and histones not only increases clots' permeability, but also makes them more prone to degradation. CONCLUSIONS Plasma histones and DNA affect the structure of the clot formed and induce defective fibrinolysis. Moreover, the increased viscoelastic properties of plasma from cancer patients can be used as potential biomarkers in cancer prognosis.
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Affiliation(s)
- Matti Ullah
- CAP-Paris Tech., INSERM U1275, Université Paris Cité, Hôpital Lariboisière, 75010 Paris, France
- Faculty of Pharmacy, Hamdard University, Islamabad Campus, Islamabad 45550, Pakistan
| | | | - Azadeh Valinattaj Omran
- CAP-Paris Tech., INSERM U1275, Université Paris Cité, Hôpital Lariboisière, 75010 Paris, France
- Laboratoire des Sciences des Procédés et des Matériaux, Centre National de la Recherche Scientifique (UPR 3407), Université Sorbonne Paris Nord, 93430 Villetaneuse, France
| | - Iman Aldybiat
- CAP-Paris Tech., INSERM U1275, Université Paris Cité, Hôpital Lariboisière, 75010 Paris, France
| | - Sullyvan Crepaux
- CAP-Paris Tech., INSERM U1275, Université Paris Cité, Hôpital Lariboisière, 75010 Paris, France
- Prospective Research, Diagnostica Stago, 92230 Gennevilliers, France
| | - Jeannette Soria
- CAP-Paris Tech., INSERM U1275, Université Paris Cité, Hôpital Lariboisière, 75010 Paris, France
| | - Geneviève Contant
- Prospective Research, Diagnostica Stago, 92230 Gennevilliers, France
| | - Marc Pocard
- CAP-Paris Tech., INSERM U1275, Université Paris Cité, Hôpital Lariboisière, 75010 Paris, France
| | - Massoud Mirshahi
- CAP-Paris Tech., INSERM U1275, Université Paris Cité, Hôpital Lariboisière, 75010 Paris, France
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3
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López-León CF, Planet R, Soriano J. Preparation and Mechano-Functional Characterization of PEGylated Fibrin Hydrogels: Impact of Thrombin Concentration. Gels 2024; 10:116. [PMID: 38391447 PMCID: PMC10888336 DOI: 10.3390/gels10020116] [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: 01/03/2024] [Revised: 01/24/2024] [Accepted: 01/26/2024] [Indexed: 02/24/2024] Open
Abstract
Three-dimensional (3D) neuronal cultures grown in hydrogels are promising platforms to design brain-like neuronal networks in vitro. However, the optimal properties of such cultures must be tuned to ensure a hydrogel matrix sufficiently porous to promote healthy development but also sufficiently rigid for structural support. Such an optimization is difficult since it implies the exploration of different hydrogel compositions and, at the same time, a functional analysis to validate neuronal culture viability. To advance in this quest, here we present a combination of a rheological protocol and a network-based functional analysis to investigate PEGylated fibrin hydrogel networks with gradually higher stiffness, achieved by increasing the concentration of thrombin. We observed that moderate thrombin concentrations of 10% and 25% in volume shaped healthy networks, although the functional traits depended on the hydrogel stiffness, which was much higher for the latter concentration. Thrombin concentrations of 65% or higher led to networks that did not survive. Our results illustrate the difficulties and limitations in preparing 3D neuronal networks, and stress the importance of combining a mechano-structural characterization of a biomaterial with a functional one.
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Affiliation(s)
- Clara F López-León
- Departament de Física de la Matèria Condensada, Universitat de Barcelona, E-08028 Barcelona, Spain
- Universitat de Barcelona Institute of Complex Systems (UBICS), Universitat de Barcelon, E-08028 Barcelona, Spain
| | - Ramon Planet
- Departament de Física de la Matèria Condensada, Universitat de Barcelona, E-08028 Barcelona, Spain
- Universitat de Barcelona Institute of Complex Systems (UBICS), Universitat de Barcelon, E-08028 Barcelona, Spain
| | - Jordi Soriano
- Departament de Física de la Matèria Condensada, Universitat de Barcelona, E-08028 Barcelona, Spain
- Universitat de Barcelona Institute of Complex Systems (UBICS), Universitat de Barcelon, E-08028 Barcelona, Spain
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4
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Hirth E, Cao W, Peltonen M, Kapetanovic E, Dietsche C, Svanberg S, Filippova M, Reddy S, Dittrich PS. Self-assembled and perfusable microvasculature-on-chip for modeling leukocyte trafficking. LAB ON A CHIP 2024; 24:292-304. [PMID: 38086670 PMCID: PMC10793075 DOI: 10.1039/d3lc00719g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Accepted: 11/20/2023] [Indexed: 01/18/2024]
Abstract
Leukocyte recruitment from blood to tissue is a process that occurs at the level of capillary vessels during both physiological and pathological conditions. This process is also relevant for evaluating novel adoptive cell therapies, in which the trafficking of therapeutic cells such as chimeric antigen receptor (CAR)-T cells throughout the capillaries of solid tumors is important. Local variations in blood flow, mural cell concentration, and tissue stiffness contribute to the regulation of capillary vascular permeability and leukocyte trafficking throughout the capillary microvasculature. We developed a platform to mimic a biologically functional human arteriole-venule microcirculation system consisting of pericytes (PCs) and arterial and venous primary endothelial cells (ECs) embedded within a hydrogel, which self-assembles into a perfusable, heterogeneous microvasculature. Our device shows a preferential association of PCs with arterial ECs that drives the flow-dependent formation of microvasculature networks. We show that PCs stimulate basement membrane matrix synthesis, which affects both vessel diameter and permeability in a manner correlating with the ratio of ECs to PCs. Moreover, we demonstrate that hydrogel concentration can affect capillary morphology but has no observed effect on vascular permeability. The biological function of our capillary network was demonstrated using an inflammation model, where significantly higher expression of cytokines, chemokines, and adhesion molecules was observed after tumor necrosis factor-alpha (TNF-α) treatment. Accordingly, T cell adherence and transendothelial migration were significantly increased in the immune-activated state. Taken together, our platform allows the generation of a perfusable microvasculature that recapitulates the structure and function of an in vivo capillary bed that can be used as a model for developing potential immunotherapies.
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Affiliation(s)
- Elisabeth Hirth
- Department of Biosystems Science and Engineering, ETH Zurich, 4056, Basel, Switzerland.
| | - Wuji Cao
- Department of Biosystems Science and Engineering, ETH Zurich, 4056, Basel, Switzerland.
| | - Marina Peltonen
- Department of Biosystems Science and Engineering, ETH Zurich, 4056, Basel, Switzerland.
| | - Edo Kapetanovic
- Department of Biosystems Science and Engineering, ETH Zurich, 4056, Basel, Switzerland.
| | - Claudius Dietsche
- Department of Biosystems Science and Engineering, ETH Zurich, 4056, Basel, Switzerland.
| | - Sara Svanberg
- Department of Biosystems Science and Engineering, ETH Zurich, 4056, Basel, Switzerland.
| | - Maria Filippova
- Department of Biomedicine, University of Basel, 4031 Basel, Switzerland
| | - Sai Reddy
- Department of Biosystems Science and Engineering, ETH Zurich, 4056, Basel, Switzerland.
| | - Petra S Dittrich
- Department of Biosystems Science and Engineering, ETH Zurich, 4056, Basel, Switzerland.
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5
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Heilala M, Lehtonen A, Arasalo O, Peura A, Pokki J, Ikkala O, Nonappa, Klefström J, Munne PM. Fibrin Stiffness Regulates Phenotypic Plasticity of Metastatic Breast Cancer Cells. Adv Healthc Mater 2023; 12:e2301137. [PMID: 37671812 DOI: 10.1002/adhm.202301137] [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: 04/11/2023] [Revised: 08/18/2023] [Indexed: 09/07/2023]
Abstract
The extracellular matrix (ECM)-regulated phenotypic plasticity is crucial for metastatic progression of triple negative breast cancer (TNBC). While ECM faithful cell-based models are available for in situ and invasive tumors, such as cell aggregate cultures in reconstituted basement membrane and in collagenous gels, there are no ECM faithful models for metastatic circulating tumor cells (CTCs). Such models are essential to represent the stage of metastasis where clinical relevance and therapeutic opportunities are significant. Here, CTC-like DU4475 TNBC cells are cultured in mechanically tunable 3D fibrin hydrogels. This is motivated, as in circulation fibrin aids CTC survival by forming a protective coating reducing shear stress and immune cell-mediated cytotoxicity and promotes several stages of late metastatic processes at the interface between circulation and tissue. This work shows that fibrin hydrogels support DU4475 cell growth, resulting in spheroid formation. Furthermore, increasing fibrin stiffness from 57 to 175 Pa leads to highly motile, actin and tubulin containing cellular protrusions, which are associated with specific cell morphology and gene expression patterns that markedly differ from basement membrane or suspension cultures. Thus, mechanically tunable fibrin gels reveal specific matrix-based regulation of TNBC cell phenotype and offer scaffolds for CTC-like cells with better mechano-biological properties than liquid.
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Affiliation(s)
- Maria Heilala
- Department of Applied Physics, Aalto University, P.O. Box 15100, Aalto, Espoo, FI-00076, Finland
| | - Arttu Lehtonen
- Department of Electrical Engineering and Automation, Aalto University, P.O. Box 12200, Aalto, Espoo, FI-00076, Finland
| | - Ossi Arasalo
- Department of Electrical Engineering and Automation, Aalto University, P.O. Box 12200, Aalto, Espoo, FI-00076, Finland
| | - Aino Peura
- Finnish Cancer Institute and FICAN South, Helsinki University Hospital & Cancer Cell Circuitry Laboratory, Translational Cancer Medicine, Medical Faculty, University of Helsinki, P.O. Box 63 (Haartmaninkatu 8), Helsinki, 00014, Finland
| | - Juho Pokki
- Department of Electrical Engineering and Automation, Aalto University, P.O. Box 12200, Aalto, Espoo, FI-00076, Finland
| | - Olli Ikkala
- Department of Applied Physics, Aalto University, P.O. Box 15100, Aalto, Espoo, FI-00076, Finland
| | - Nonappa
- Faculty of Engineering and Natural Sciences, Tampere University, P.O. Box 541, Tampere, FI-33720, Finland
| | - Juha Klefström
- Finnish Cancer Institute and FICAN South, Helsinki University Hospital & Cancer Cell Circuitry Laboratory, Translational Cancer Medicine, Medical Faculty, University of Helsinki, P.O. Box 63 (Haartmaninkatu 8), Helsinki, 00014, Finland
| | - Pauliina M Munne
- Finnish Cancer Institute and FICAN South, Helsinki University Hospital & Cancer Cell Circuitry Laboratory, Translational Cancer Medicine, Medical Faculty, University of Helsinki, P.O. Box 63 (Haartmaninkatu 8), Helsinki, 00014, Finland
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English EJ, Samolyk BL, Gaudette GR, Pins GD. Micropatterned fibrin scaffolds increase cardiomyocyte alignment and contractility for the fabrication of engineered myocardial tissue. J Biomed Mater Res A 2023; 111:1309-1321. [PMID: 36932841 PMCID: PMC11128133 DOI: 10.1002/jbm.a.37530] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 02/09/2023] [Accepted: 03/01/2023] [Indexed: 03/19/2023]
Abstract
Cardiovascular disease is the leading cause of death in the United States, which can result in blockage of a coronary artery, triggering a myocardial infarction (MI), scar tissue formation in the myocardium, and ultimately heart failure. Currently, the gold-standard solution for total heart failure is a heart transplantation. An alternative to total-organ transplantation is surgically remodeling the ventricle with the implantation of a cardiac patch. Acellular cardiac patches have previously been investigated using synthetic or decellularized native materials to improve cardiac function. However, a limitation of this strategy is that acellular cardiac patches only reshape the ventricle and do not increase cardiac contractile function. Toward the development of a cardiac patch, our laboratory previously developed a cell-populated composite fibrin scaffold and aligned microthreads to recapitulate the mechanical properties of native myocardium. In this study, we explore micropatterning the surfaces of fibrin gels to mimic anisotropic native tissue architecture and promote cellular alignment of human induced pluripotent stem cell cardiomyocytes (hiPS-CM), which is crucial for increasing scaffold contractile properties. hiPS-CMs seeded on micropatterned surfaces exhibit cellular elongation, distinct sarcomere alignment, and circumferential connexin-43 staining at 14 days of culture, which are necessary for mature contractile properties. Constructs were also subject to electrical stimulation during culture to promote increased contractile properties. After 7 days of stimulation, contractile strains of micropatterned constructs were significantly higher than unpatterned controls. These results suggest that the use of micropatterned topographic cues on fibrin scaffolds may be a promising strategy for creating engineered cardiac tissue.
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Affiliation(s)
- Elizabeth J. English
- Biomedical Engineering Department, Worcester Polytechnic Institute, Worcester, Massachusetts, USA
- Tessera Therapeutics, Somerville, Massachusetts, USA
| | - Bryanna L. Samolyk
- Biomedical Engineering Department, Worcester Polytechnic Institute, Worcester, Massachusetts, USA
| | - Glenn R. Gaudette
- Biomedical Engineering Department, Worcester Polytechnic Institute, Worcester, Massachusetts, USA
- Department of Engineering, Boston College, Newton, Massachusetts, USA
| | - George D. Pins
- Biomedical Engineering Department, Worcester Polytechnic Institute, Worcester, Massachusetts, USA
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7
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López-León CF, Soriano J, Planet R. Rheological Characterization of Three-Dimensional Neuronal Cultures Embedded in PEGylated Fibrin Hydrogels. Gels 2023; 9:642. [PMID: 37623097 PMCID: PMC10454106 DOI: 10.3390/gels9080642] [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: 07/17/2023] [Revised: 08/04/2023] [Accepted: 08/07/2023] [Indexed: 08/26/2023] Open
Abstract
Three-dimensional (3D) neuronal cultures are valuable models for studying brain complexity in vitro, and the choice of the bulk material in which the neurons grow is a crucial factor in establishing successful cultures. Indeed, neuronal development and network functionality are influenced by the mechanical properties of the selected material; in turn, these properties may change due to neuron-matrix interactions that alter the microstructure of the material. To advance our understanding of the interplay between neurons and their environment, here we utilized a PEGylated fibrin hydrogel as a scaffold for mouse primary neuronal cultures and carried out a rheological characterization of the scaffold over a three-week period, both with and without cells. We observed that the hydrogels exhibited an elastic response that could be described in terms of the Young's modulus E. The hydrogels without neurons procured a stable E≃420 Pa, while the neuron-laden hydrogels showed a higher E≃590 Pa during the early stages of development that decreased to E≃340 Pa at maturer stages. Our results suggest that neurons and their processes dynamically modify the hydrogel structure during development, potentially compromising both the stability of the material and the functional traits of the developing neuronal network.
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Affiliation(s)
- Clara F. López-León
- Departament de Física de la Matèria Condensada, Universitat de Barcelona, E-08028 Barcelona, Spain; (C.F.L.-L.); (J.S.)
- Universitat de Barcelona Institute of Complex Systems (UBICS), E-08028 Barcelona, Spain
| | - Jordi Soriano
- Departament de Física de la Matèria Condensada, Universitat de Barcelona, E-08028 Barcelona, Spain; (C.F.L.-L.); (J.S.)
- Universitat de Barcelona Institute of Complex Systems (UBICS), E-08028 Barcelona, Spain
| | - Ramon Planet
- Departament de Física de la Matèria Condensada, Universitat de Barcelona, E-08028 Barcelona, Spain; (C.F.L.-L.); (J.S.)
- Universitat de Barcelona Institute of Complex Systems (UBICS), E-08028 Barcelona, Spain
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8
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Man K, Liu J, Liang C, Corona C, Story MD, Meckes B, Yang Y. Biomimetic Human Lung Alveolar Interstitium Chip with Extended Longevity. ACS APPLIED MATERIALS & INTERFACES 2023; 15:36888-36898. [PMID: 37463843 DOI: 10.1021/acsami.3c04091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/20/2023]
Abstract
Determining the mechanistic causes of lung diseases, developing new treatments thereof, and assessing toxicity whether from chemical exposures or engineered nanomaterials would benefit significantly from a preclinical human lung alveolar interstitium model of physiological relevance. The existing preclinical models have limitations because they fail to replicate the key anatomical and physiological characteristics of human alveoli. Thus, a human lung alveolar interstitium chip was developed to imitate key alveolar microenvironmental factors including an electrospun nanofibrous membrane as the analogue of the basement membrane for co-culture of epithelial cells with fibroblasts embedded in 3D collagenous gels, physiologically relevant interstitial matrix stiffness, interstitial fluid flow, and 3D breathing-like mechanical stretch. The biomimetic chip substantially improved the epithelial barrier function compared to transwell models. Moreover, the chip having a gel made of a collagen I-fibrin blend as the interstitial matrix sustained the interstitium integrity and further enhanced the epithelial barrier, resulting in a longevity that extended beyond eight weeks. The assessment of multiwalled carbon nanotube toxicity on the chip was in line with the animal study.
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Affiliation(s)
- Kun Man
- Department of Biomedical Engineering, University of North Texas, Denton, Texas 76207, United States
| | - Jiafeng Liu
- Department of Biomedical Engineering, University of North Texas, Denton, Texas 76207, United States
| | - Cindy Liang
- Department of Biomedical Engineering, University of North Texas, Denton, Texas 76207, United States
| | - Christopher Corona
- Anne Burnett Marion School of Medicine, Texas Christian University, Fort Worth, Texas 76129, United States
| | - Michael D Story
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, Texas 75390, United States
| | - Brian Meckes
- Department of Biomedical Engineering, University of North Texas, Denton, Texas 76207, United States
| | - Yong Yang
- Department of Biomedical Engineering, University of North Texas, Denton, Texas 76207, United States
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9
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Shang Y, Piantino M, Zeng J, Louis F, Xie Z, Furihata T, Matsusaki M. Control of blood capillary networks and holes in blood-brain barrier models by regulating elastic modulus of scaffolds. Mater Today Bio 2023; 21:100714. [PMID: 37545563 PMCID: PMC10401288 DOI: 10.1016/j.mtbio.2023.100714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 06/09/2023] [Accepted: 06/23/2023] [Indexed: 08/08/2023] Open
Abstract
The blood-brain barrier (BBB) is a type of capillary network characterized by a highly selective barrier, which restricts the transport of substances between the blood and nervous system. Numerous in vitro models of the BBB have been developed for drug testing, but a BBB model with controllable capillary structures remains a major challenge. In this study, we report for the first time a unique method of controlling the blood capillary networks and characteristic holes formation in a BBB model by varying the elastic modulus of a three-dimensional scaffold. The characteristic hole structures are formed by the migration of endothelial cells from the model surface to the interior, which have functions of connecting the model interior to the external environment. The hole depth increased, as the elastic modulus of the fibrin gel scaffold increased, and the internal capillary network length increased with decreasing elastic modulus. Besides, internal astrocytes and pericytes were also found to be important for inducing hole formation from the model surface. Furthermore, RNA sequencing indicated up-regulated genes related to matrix metalloproteinases and angiogenesis, suggesting a relationship between enzymatic degradation of the scaffolds and hole formation. The findings of this study introduce a new method of fabricating complex BBB models for drug assessment.
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Affiliation(s)
- Yucheng Shang
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka, Japan
| | - Marie Piantino
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka, Japan
| | - Jinfeng Zeng
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka, Japan
- Research Fellow of Japan Society for the Promotion of Science, Kojimachi Business Center Building, Kojimachi, Tokyo, Japan
| | - Fiona Louis
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka, Japan
- Joint Research Laboratory (TOPPAN INC.) for Advanced Cell Regulatory Chemistry, Osaka University, Suita, Osaka, Japan
| | - Zhengtian Xie
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka, Japan
| | - Tomomi Furihata
- School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, Japan
| | - Michiya Matsusaki
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka, Japan
- Joint Research Laboratory (TOPPAN INC.) for Advanced Cell Regulatory Chemistry, Osaka University, Suita, Osaka, Japan
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10
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Zhao W, Hu C, Xu T. In vivo bioprinting: Broadening the therapeutic horizon for tissue injuries. Bioact Mater 2023; 25:201-222. [PMID: 36817820 PMCID: PMC9932583 DOI: 10.1016/j.bioactmat.2023.01.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 01/06/2023] [Accepted: 01/25/2023] [Indexed: 02/09/2023] Open
Abstract
Tissue injury is a collective term for various disorders associated with organs and tissues induced by extrinsic or intrinsic factors, which significantly concerns human health. In vivo bioprinting, an emerging tissue engineering approach, allows for the direct deposition of bioink into the defect sites inside the patient's body, effectively addressing the challenges associated with the fabrication and implantation of irregularly shaped scaffolds and enabling the rapid on-site management of tissue injuries. This strategy complements operative therapy as well as pharmacotherapy, and broadens the therapeutic horizon for tissue injuries. The implementation of in vivo bioprinting requires targeted investigations in printing modalities, bioinks, and devices to accommodate the unique intracorporal microenvironment, as well as effective integrations with intraoperative procedures to facilitate its clinical application. In this review, we summarize the developments of in vivo bioprinting from three perspectives: modalities and bioinks, devices, and clinical integrations, and further discuss the current challenges and potential improvements in the future.
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Affiliation(s)
- Wenxiang Zhao
- State Key Laboratory of Tribology, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, China
- Beijing Key Laboratory of Precision/Ultra-Precision Manufacturing Equipments and Control, Tsinghua University, Beijing, 100084, China
| | - Chuxiong Hu
- State Key Laboratory of Tribology, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, China
- Beijing Key Laboratory of Precision/Ultra-Precision Manufacturing Equipments and Control, Tsinghua University, Beijing, 100084, China
| | - Tao Xu
- Center for Bio-intelligent Manufacturing and Living Matter Bioprinting, Research Institute of Tsinghua University in Shenzhen, Tsinghua University, Shenzhen, 518057, China
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11
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Zhou Y, Pereira G, Tang Y, James M, Zhang M. 3D Porous Scaffold-Based High-Throughput Platform for Cancer Drug Screening. Pharmaceutics 2023; 15:1691. [PMID: 37376138 DOI: 10.3390/pharmaceutics15061691] [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: 04/29/2023] [Revised: 06/02/2023] [Accepted: 06/05/2023] [Indexed: 06/29/2023] Open
Abstract
Natural polymer-based porous scaffolds have been investigated to serve as three-dimensional (3D) tumor models for drug screening owing to their structural properties with better resemblance to human tumor microenvironments than two-dimensional (2D) cell cultures. In this study, a 3D chitosan-hyaluronic acid (CHA) composite porous scaffold with tunable pore size (60, 120 and 180 µm) was produced by freeze-drying and fabricated into a 96-array platform for high-throughput screening (HTS) of cancer therapeutics. We adopted a self-designed rapid dispensing system to handle the highly viscous CHA polymer mixture and achieved a fast and cost-effective large-batch production of the 3D HTS platform. In addition, the adjustable pore size of the scaffold can accommodate cancer cells from different sources to better mimic the in vivo malignancy. Three human glioblastoma multiforme (GBM) cell lines were tested on the scaffolds to reveal the influence of pore size on cell growth kinetics, tumor spheroid morphology, gene expression and dose-dependent drug response. Our results showed that the three GBM cell lines showed different trends of drug resistance on CHA scaffolds of varying pore size, which reflects the intertumoral heterogeneity across patients in clinical practice. Our results also demonstrated the necessity to have a tunable 3D porous scaffold for adapting the heterogeneous tumor to generate the optimal HTS outcomes. It was also found that CHA scaffolds can produce a uniform cellular response (CV < 0.15) and a wide drug screening window (Z' > 0.5) on par with commercialized tissue culture plates, and therefore, can serve as a qualified HTS platform. This CHA scaffold-based HTS platform may provide an improved alternative to traditional 2D-cell-based HTS for future cancer study and novel drug discovery.
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Affiliation(s)
- Yang Zhou
- Department of Materials Science and Engineering, University of Washington, Seattle, WA 98195, USA
| | - Gillian Pereira
- Department of Materials Science and Engineering, University of Washington, Seattle, WA 98195, USA
| | - Yuanzhang Tang
- Department of Materials Science and Engineering, University of Washington, Seattle, WA 98195, USA
| | - Matthew James
- Department of Materials Science and Engineering, University of Washington, Seattle, WA 98195, USA
| | - Miqin Zhang
- Department of Materials Science and Engineering, University of Washington, Seattle, WA 98195, USA
- Department of Neurological Surgery, University of Washington, Seattle, WA 98195, USA
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12
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van Os L, Yeoh J, Witz G, Ferrari D, Krebs P, Chandorkar Y, Zeinali S, Sengupta A, Guenat O. Immune cell extravasation in an organ-on-chip to model lung imflammation. Eur J Pharm Sci 2023:106485. [PMID: 37270149 DOI: 10.1016/j.ejps.2023.106485] [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: 02/22/2023] [Revised: 05/09/2023] [Accepted: 05/31/2023] [Indexed: 06/05/2023]
Abstract
Acute respiratory distress syndrome (ARDS) is a severe lung condition with high mortality and various causes, including lung infection. No specific treatment is currently available and more research aimed at better understanding the pathophysiology of ARDS is needed. Most lung-on-chip models that aim at mimicking the air-blood barrier are designed with a horizontal barrier through which immune cells can migrate vertically, making it challenging to visualize and investigate their migration. In addition, these models often lack a barrier of natural protein-derived extracellular matrix (ECM) suitable for live cell imaging to investigate ECM-dependent migration of immune cells as seen in ARDS. This study reports a novel inflammation-on-chip model with live cell imaging of immune cell extravasation and migration during lung inflammation. The three-channel perfusable inflammation-on-chip system mimics the lung endothelial barrier, the ECM environment and the (inflamed) lung epithelial barrier. A chemotactic gradient was established across the ECM hydrogel, leading to the migration of immune cells through the endothelial barrier. We found that immune cell extravasation depends on the presence of an endothelial barrier, on the ECM density and stiffness, and on the flow profile. In particular, bidirectional flow, broadly used in association with rocking platforms, was found to importantly delay extravasation of immune cells in contrast to unidirectional flow. Extravasation was increased in the presence of lung epithelial tissue. This model is currently used to study inflammation-induced immune cell migration but can be used to study infection-induced immune cell migration under different conditions, such as ECM composition, density and stiffness, type of infectious agents used, and the presence of organ-specific cell types.
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Affiliation(s)
- Lisette van Os
- Organs-on-Chip Technologies, ARTORG Center for Biomedical Engineering Research, University of Bern, Bern, Switzerland; Graduate School for Cellular and Biomedical Sciences, University of Bern, Bern, Switzerland
| | - Jeremy Yeoh
- Graduate School for Cellular and Biomedical Sciences, University of Bern, Bern, Switzerland; Institute of Pathology, University of Bern, Bern, Switzerland
| | - Guillaume Witz
- Microscopy Imaging Center (MIC) & Data Science Lab (DSL), University of Bern, Bern, Switzerland
| | - Dario Ferrari
- Organs-on-Chip Technologies, ARTORG Center for Biomedical Engineering Research, University of Bern, Bern, Switzerland
| | - Philippe Krebs
- Institute of Pathology, University of Bern, Bern, Switzerland
| | - Yashoda Chandorkar
- Laboratory for Biointerfaces, EMPA Empa Swiss Federal Laboratories for Material Science and Technology, St Gallen, Switzerland
| | - Soheila Zeinali
- Organs-on-Chip Technologies, ARTORG Center for Biomedical Engineering Research, University of Bern, Bern, Switzerland
| | - Arunima Sengupta
- Organs-on-Chip Technologies, ARTORG Center for Biomedical Engineering Research, University of Bern, Bern, Switzerland
| | - Olivier Guenat
- Organs-on-Chip Technologies, ARTORG Center for Biomedical Engineering Research, University of Bern, Bern, Switzerland; Department of Pulmonary Medicine, Inselspital, University Hospital of Bern, Bern, Switzerland; Department of General Thoracic Surgery, Inselspital, University Hospital of Bern, Bern, Switzerland.
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13
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Chariyev-Prinz F, Szojka A, Neto N, Burdis R, Monaghan MG, Kelly DJ. An assessment of the response of human MSCs to hydrostatic pressure in environments supportive of differential chondrogenesis. J Biomech 2023; 154:111590. [PMID: 37163962 DOI: 10.1016/j.jbiomech.2023.111590] [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: 09/26/2022] [Revised: 01/31/2023] [Accepted: 04/11/2023] [Indexed: 05/12/2023]
Abstract
Mechanical stimulation can modulate the chondrogenic differentiation of stem/progenitor cells and potentially benefit tissue engineering (TE) of functional articular cartilage (AC). Mechanical cues like hydrostatic pressure (HP) are often applied to cell-laden scaffolds, with little optimization of other key parameters (e.g. cell density, biomaterial properties) known to effect lineage commitment. In this study, we first sought to establish cell seeding densities and fibrin concentrations supportive of robust chondrogenesis of human mesenchymal stem cells (hMSCs). High cell densities (15*106 cells/ml) were more supportive of sGAG deposition on a per cell basis, while collagen deposition was higher at lower seeding densities (5*106 cells/ml). Employment of lower fibrin (2.5 %) concentration hydrogels supported more robust chondrogenesis of hMSCs, with higher collagen type II and lower collagen type X deposition compared to 5 % hydrogels. The application of HP to hMSCs maintained in identified chondro-inductive culture conditions had little effect on overall levels of cartilage-specific matrix production. However, if hMSCs were first temporally primed with TGF-β3 before its withdrawal, they responded to HP by increased sGAG production. The response to HP in higher cell density cultures was also associated with a metabolic shift towards glycolysis, which has been linked with a mature chondrocyte-like phenotype. These results suggest that mechanical stimulation may not be necessary to engineer functional AC grafts using hMSCs if other culture conditions have been optimised. However, such bioreactor systems can potentially be employed to better understand how engineered tissues respond to mechanical loading in vivo once removed from in vitro culture environments.
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Affiliation(s)
- Farhad Chariyev-Prinz
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland; Department of Mechanical, Manufacturing and Biomedical Engineering, School of Engineering, Trinity College Dublin, Dublin, Ireland
| | - Alex Szojka
- Department of Surgery, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB, Canada
| | - Nuno Neto
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland; Department of Mechanical, Manufacturing and Biomedical Engineering, School of Engineering, Trinity College Dublin, Dublin, Ireland
| | - Ross Burdis
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland; Department of Mechanical, Manufacturing and Biomedical Engineering, School of Engineering, Trinity College Dublin, Dublin, Ireland
| | - Michael G Monaghan
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland; Department of Mechanical, Manufacturing and Biomedical Engineering, School of Engineering, Trinity College Dublin, Dublin, Ireland; Advanced Materials and Bioengineering Research Centre (AMBER), Royal College of Surgeons in Ireland and Trinity College Dublin, Dublin, Ireland
| | - Daniel J Kelly
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland; Department of Mechanical, Manufacturing and Biomedical Engineering, School of Engineering, Trinity College Dublin, Dublin, Ireland; Advanced Materials and Bioengineering Research Centre (AMBER), Royal College of Surgeons in Ireland and Trinity College Dublin, Dublin, Ireland.
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14
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Reichsöllner R, Heher P, Hartmann J, Manhartseder S, Singh R, Gulle H, Slezak P. A comparative high-resolution physicochemical analysis of commercially available fibrin sealants: Impact of sealant osmolality on biological performance. J Biomed Mater Res A 2023; 111:488-501. [PMID: 36355631 PMCID: PMC10099741 DOI: 10.1002/jbm.a.37466] [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: 06/12/2022] [Revised: 10/11/2022] [Accepted: 10/23/2022] [Indexed: 11/12/2022]
Abstract
Fibrin sealants are well-established components of the surgical toolbox, especially in procedures that harbor a high risk of perioperative bleeding. Their widespread use as hemostats, sealants or tissue-adhesives in various surgical settings has shown that the choice of the appropriate sealant system affects the clinical outcome. While many studies have compared the hemostatic efficiency of fibrin sealants to that of other natural or synthetic sealants, there is still limited data on how subtle differences in fibrin sealant formulations relate to their biological performance. Here, we performed an in-depth physicochemical and biological characterization of the two most commonly used fibrin sealants in the US and Europe: TISSEEL™ ("FS") and VISTASEAL™/VERASEAL™ ("FS+Osm"). Our chemical analyses demonstrated differences between the two sealants, with lower fibrinogen concentrations and supraphysiological osmolality in the FS+Osm formulation. Rheological testing revealed FS clots have greater clot stiffness, which strongly correlated with network density. Ultrastructural analysis by scanning electron microscopy revealed differences between FS and FS+Osm fibrin networks, the latter characterized by a largely amorphous hydrogel structure in contrast to the physiological fibrillar network of FS. Cytocompatibility experiments with human fibroblasts seeded on FS and FS+Osm fibrin networks, or cultured in presence of sealant extracts, revealed that FS+Osm induced apoptosis, which was not observed with FS. Although differential sealant osmolality and amounts of fibrinogen, as well as the presence of Factor XIII or additives such as antifibrinolytics, may explain the mechanical and structural differences observed between the two fibrin sealants, none of these substances are known to cause apoptosis at the respective concentrations in the sealant formulation. We thus conclude that hyper osmolality in the FS+Osm formulation is the primary trigger of apoptosis-a mechanism that should be evaluated in more detail, as it may affect the cellular wound healing response in situ.
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Affiliation(s)
- Raffael Reichsöllner
- Ludwig Boltzmann Institute for Traumatology, The Research Center in Cooperation with AUVA, Vienna, Austria.,Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Philipp Heher
- Randall Centre for Cell and Molecular Biophysics, King's College London, London, UK
| | - Jaana Hartmann
- Ludwig Boltzmann Institute for Traumatology, The Research Center in Cooperation with AUVA, Vienna, Austria.,Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Stefan Manhartseder
- Ludwig Boltzmann Institute for Traumatology, The Research Center in Cooperation with AUVA, Vienna, Austria.,Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Rahul Singh
- Baxter International Inc., Deerfield, Illinois, USA
| | - Heinz Gulle
- Baxter International Inc., Deerfield, Illinois, USA
| | - Paul Slezak
- Ludwig Boltzmann Institute for Traumatology, The Research Center in Cooperation with AUVA, Vienna, Austria.,Austrian Cluster for Tissue Regeneration, Vienna, Austria
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15
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Ferrari D, Sengupta A, Heo L, Pethö L, Michler J, Geiser T, de Jesus Perez VA, Kuebler WM, Zeinali S, Guenat OT. Effects of biomechanical and biochemical stimuli on angio- and vasculogenesis in a complex microvasculature-on-chip. iScience 2023; 26:106198. [PMID: 36879808 PMCID: PMC9985038 DOI: 10.1016/j.isci.2023.106198] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 05/31/2022] [Accepted: 02/09/2023] [Indexed: 02/15/2023] Open
Abstract
The endothelium of blood vessels is a vital organ that reacts differently to subtle changes in stiffness and mechanical forces exerted on its environment (extracellular matrix (ECM)). Upon alteration of these biomechanical cues, endothelial cells initiate signaling pathways that govern vascular remodeling. The emerging organs-on-chip technologies allow the mimicking of complex microvasculature networks, identifying the combined or singular effects of these biomechanical or biochemical stimuli. Here, we present a microvasculature-on-chip model to investigate the singular effect of ECM stiffness and mechanical cyclic stretch on vascular development. Following two different approaches for vascular growth, the effect of ECM stiffness on sprouting angiogenesis and the effect of cyclic stretch on endothelial vasculogenesis are studied. Our results indicate that ECM hydrogel stiffness controls the size of the patterned vasculature and the density of sprouting angiogenesis. RNA sequencing shows that the cellular response to stretching is characterized by the upregulation of certain genes such as ANGPTL4+5, PDE1A, and PLEC.
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Affiliation(s)
- Dario Ferrari
- Organs-on-chip Technologies Laboratory, ARTORG Center, University of Bern, Bern, Switzerland
| | - Arunima Sengupta
- Organs-on-chip Technologies Laboratory, ARTORG Center, University of Bern, Bern, Switzerland
| | - Lyong Heo
- Stanford Center for Genomics and Personalized Medicine, Palo Alto, CA, USA
| | - Laszlo Pethö
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Mechanics of Materials and Nanostructures, Thun, Switzerland
| | - Johann Michler
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Mechanics of Materials and Nanostructures, Thun, Switzerland
| | - Thomas Geiser
- Department of Pulmonary Medicine, Inselspital, University Hospital of Bern, Bern, Switzerland
- Department for BioMedical Research, University of Bern, Bern, Switzerland
| | - Vinicio A. de Jesus Perez
- Division of Pulmonary, Allergy, and Critical Care Medicine, Stanford University Medical Center, Stanford, CA, USA
| | - Wolfgang M. Kuebler
- Institute of Physiology, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Soheila Zeinali
- Organs-on-chip Technologies Laboratory, ARTORG Center, University of Bern, Bern, Switzerland
| | - Olivier T. Guenat
- Organs-on-chip Technologies Laboratory, ARTORG Center, University of Bern, Bern, Switzerland
- Department of Pulmonary Medicine, Inselspital, University Hospital of Bern, Bern, Switzerland
- Department of General Thoracic Surgery, Inselspital, University Hospital of Bern, Bern, Switzerland
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16
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Ruliffson BNK, Whittington CF. Regulating Lymphatic Vasculature in Fibrosis: Understanding the Biology to Improve the Modeling. Adv Biol (Weinh) 2023; 7:e2200158. [PMID: 36792967 DOI: 10.1002/adbi.202200158] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 12/19/2022] [Indexed: 02/17/2023]
Abstract
Fibrosis occurs in many chronic diseases with lymphatic vascular insufficiency (e.g., kidney disease, tumors, and lymphedema). New lymphatic capillary growth can be triggered by fibrosis-related tissue stiffening and soluble factors, but questions remain for how related biomechanical, biophysical, and biochemical cues affect lymphatic vascular growth and function. The current preclinical standard for studying lymphatics is animal modeling, but in vitro and in vivo outcomes often do not align. In vitro models can also be limited in their ability to separate vascular growth and function as individual outcomes, and fibrosis is not traditionally included in model design. Tissue engineering provides an opportunity to address in vitro limitations and mimic microenvironmental features that impact lymphatic vasculature. This review discusses fibrosis-related lymphatic vascular growth and function in disease and the current state of in vitro lymphatic vascular models while highlighting relevant knowledge gaps. Additional insights into the future of in vitro lymphatic vascular models demonstrate how prioritizing fibrosis alongside lymphatics will help capture the complexity and dynamics of lymphatics in disease. Overall, this review aims to emphasize that an advanced understanding of lymphatics within a fibrotic disease-enabled through more accurate preclinical modeling-will significantly impact therapeutic development toward restoring lymphatic vessel growth and function in patients.
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Affiliation(s)
- Brian N K Ruliffson
- Department of Biomedical Engineering, Worcester Polytechnic Institute, 100 Institute Rd., Worcester, MA, 01609, USA
| | - Catherine F Whittington
- Department of Biomedical Engineering, Worcester Polytechnic Institute, 100 Institute Rd., Worcester, MA, 01609, USA
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17
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Pereira RVS, EzEldeen M, Ugarte-Berzal E, Martens E, Malengier-Devlies B, Vandooren J, Vranckx J, Matthys P, Opdenakker G. Physiological fibrin hydrogel modulates immune cells and molecules and accelerates mouse skin wound healing. Front Immunol 2023; 14:1170153. [PMID: 37168862 PMCID: PMC10165074 DOI: 10.3389/fimmu.2023.1170153] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 04/11/2023] [Indexed: 05/13/2023] Open
Abstract
Introduction Wound healing is a complex process to restore homeostasis after injury and insufficient skin wound healing is a considerable problem in medicine. Whereas many attempts of regenerative medicine have been made for wound healing with growth factors and cell therapies, simple pharmacological and immunological studies are lagging behind. We investigated how fibrin hydrogels modulate immune cells and molecules in skin wound healing in mice. Methods Physiological fibrin hydrogels (3.5 mg/mL fibrinogen) were generated, biophysically analyzed for stiffness and protein contents and were structurally studied by scanning electron microscopy. Physiological fibrin hydrogels were applied to full thickness skin wounds and, after 3 days, cells and molecules in wound tissues were analyzed. Leukocytes, endothelial cells, fibroblasts and keratinocytes were explored with the use of Flow Cytometry, whereas cytokines and matrix metalloproteinases were analyzed with the use of qPCR, ELISAs and zymography. Skin wound healing was analyzed microscopically at day 3, macroscopically followed daily during repair in mice and compared with commercially available fibrin sealant Tisseel. Results Exogenous fibrin at physiological concentrations decreased neutrophil and increased non-classical Ly6Clow monocyte and resolutive macrophage (CD206+ and CX3CR1+) populations, at day 3 after injury. Fibrin hydrogel reduced the expression of pro-inflammatory cytokines and increased IL-10 levels. In line with these findings, gelatinase B/MMP-9 was decreased, whereas gelatinase A/MMP-2 levels remained unaltered. Frequencies of dermal endothelial cells, fibroblasts and keratinocytes were increased and keratinocyte migration was enhanced by fibrin hydrogel. Importantly, physiological fibrin accelerated the healing of skin wounds in contrast to the highly concentrated fibrin sealant Tisseel, which delayed wound repair and possessed a higher fiber density. Conclusion Collectively, we show that adding a tailored fibrin hydrogel scaffold to a wound bed positively influences the healing process, modulating leukocyte populations and inflammatory responses towards a faster wound repair.
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Affiliation(s)
- Rafaela Vaz Sousa Pereira
- Laboratory of Immunobiology, Rega Institute for Medical Research/KU Leuven, Department of Microbiology, Immunology and Transplantation, Leuven, Belgium
| | - Mostafa EzEldeen
- OMFS IMPATH Research Group, University Hospitals Leuven/KU Leuven, Department of Imaging and Pathology, Leuven, Belgium
- Pediatric Dentistry and Special Dental Care, University Hospitals Leuven/KU Leuven, Department of Oral Health Sciences, Leuven, Belgium
| | - Estefania Ugarte-Berzal
- Laboratory of Immunobiology, Rega Institute for Medical Research/KU Leuven, Department of Microbiology, Immunology and Transplantation, Leuven, Belgium
| | - Erik Martens
- Laboratory of Immunobiology, Rega Institute for Medical Research/KU Leuven, Department of Microbiology, Immunology and Transplantation, Leuven, Belgium
| | - Bert Malengier-Devlies
- Laboratory of Immunobiology, Rega Institute for Medical Research/KU Leuven, Department of Microbiology, Immunology and Transplantation, Leuven, Belgium
| | - Jennifer Vandooren
- Laboratory of Immunobiology, Rega Institute for Medical Research/KU Leuven, Department of Microbiology, Immunology and Transplantation, Leuven, Belgium
| | - Jan Jeroen Vranckx
- Department of Development and Regeneration, University Hospitals Leuven/KU Leuven, Leuven, Belgium
- Department of Plastic and Reconstructive Surgery, University Hospitals Leuven/KU Leuven, Leuven, Belgium
| | - Patrick Matthys
- Laboratory of Immunobiology, Rega Institute for Medical Research/KU Leuven, Department of Microbiology, Immunology and Transplantation, Leuven, Belgium
| | - Ghislain Opdenakker
- Laboratory of Immunobiology, Rega Institute for Medical Research/KU Leuven, Department of Microbiology, Immunology and Transplantation, Leuven, Belgium
- *Correspondence: Ghislain Opdenakker,
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18
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Martino F, Varadarajan NM, Perestrelo AR, Hejret V, Durikova H, Vukic D, Horvath V, Cavalieri F, Caruso F, Albihlal WS, Gerber AP, O'Connell MA, Vanacova S, Pagliari S, Forte G. The mechanical regulation of RNA binding protein hnRNPC in the failing heart. Sci Transl Med 2022; 14:eabo5715. [PMID: 36417487 DOI: 10.1126/scitranslmed.abo5715] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Cardiac pathologies are characterized by intense remodeling of the extracellular matrix (ECM) that eventually leads to heart failure. Cardiomyocytes respond to the ensuing biomechanical stress by reexpressing fetal contractile proteins via transcriptional and posttranscriptional processes, such as alternative splicing (AS). Here, we demonstrate that the heterogeneous nuclear ribonucleoprotein C (hnRNPC) is up-regulated and relocates to the sarcomeric Z-disc upon ECM pathological remodeling. We show that this is an active site of localized translation, where the ribonucleoprotein associates with the translation machinery. Alterations in hnRNPC expression, phosphorylation, and localization can be mechanically determined and affect the AS of mRNAs involved in mechanotransduction and cardiovascular diseases, including Hippo pathway effector Yes-associated protein 1. We propose that cardiac ECM remodeling serves as a switch in RNA metabolism by affecting an associated regulatory protein of the spliceosome apparatus. These findings offer new insights on the mechanism of mRNA homeostatic mechanoregulation in pathological conditions.
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Affiliation(s)
- Fabiana Martino
- International Clinical Research Center (ICRC), St. Anne's University Hospital, CZ-65691 Brno, Czech Republic.,Faculty of Medicine, Department of Biology, Masaryk University, CZ-62500 Brno, Czech Republic.,Competence Center for Mechanobiology in Regenerative Medicine, INTERREG ATCZ133, CZ-62500 Brno, Czech Republic.,Cardiac Section, National Heart and Lung Institute (NHLI), Faculty of Medicine, Imperial College London, London W12 0NN, UK
| | - Nandan Mysore Varadarajan
- Central European Institute of Technology (CEITEC), Masaryk University, CZ-62500 Brno, Czech Republic
| | - Ana Rubina Perestrelo
- International Clinical Research Center (ICRC), St. Anne's University Hospital, CZ-65691 Brno, Czech Republic
| | - Vaclav Hejret
- Central European Institute of Technology (CEITEC), Masaryk University, CZ-62500 Brno, Czech Republic.,National Centre for Biomolecular Research, Masaryk University, CZ-62500 Brno, Czech Republic
| | - Helena Durikova
- International Clinical Research Center (ICRC), St. Anne's University Hospital, CZ-65691 Brno, Czech Republic
| | - Dragana Vukic
- Central European Institute of Technology (CEITEC), Masaryk University, CZ-62500 Brno, Czech Republic
| | - Vladimir Horvath
- International Clinical Research Center (ICRC), St. Anne's University Hospital, CZ-65691 Brno, Czech Republic.,Centre for Cardiovascular and Transplant Surgery, CZ-60200 Brno, Czech Republic
| | - Francesca Cavalieri
- Department of Chemical Engineering, University of Melbourne, Parkville, Victoria 3010, Australia.,Dipartimento di Scienze e Tecnologie Chimiche, Università degli Studi di Roma Tor Vergata, 00133 Rome, Italy
| | - Frank Caruso
- Centre for Cardiovascular and Transplant Surgery, CZ-60200 Brno, Czech Republic
| | | | - André P Gerber
- Department of Microbial Sciences, Faculty of Health and Medical Sciences, University of Surrey, Guildford GU2 7XH, UK
| | - Mary A O'Connell
- Central European Institute of Technology (CEITEC), Masaryk University, CZ-62500 Brno, Czech Republic
| | - Stepanka Vanacova
- Central European Institute of Technology (CEITEC), Masaryk University, CZ-62500 Brno, Czech Republic
| | - Stefania Pagliari
- International Clinical Research Center (ICRC), St. Anne's University Hospital, CZ-65691 Brno, Czech Republic.,Competence Center for Mechanobiology in Regenerative Medicine, INTERREG ATCZ133, CZ-62500 Brno, Czech Republic
| | - Giancarlo Forte
- International Clinical Research Center (ICRC), St. Anne's University Hospital, CZ-65691 Brno, Czech Republic.,Competence Center for Mechanobiology in Regenerative Medicine, INTERREG ATCZ133, CZ-62500 Brno, Czech Republic.,School of Cardiovascular and Metabolic Medicine & Sciences, King's College London, London WC2R 2LS, UK
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19
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Rojek K, Ćwiklińska M, Kuczak J, Guzowski J. Microfluidic Formulation of Topological Hydrogels for Microtissue Engineering. Chem Rev 2022; 122:16839-16909. [PMID: 36108106 PMCID: PMC9706502 DOI: 10.1021/acs.chemrev.1c00798] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Microfluidics has recently emerged as a powerful tool in generation of submillimeter-sized cell aggregates capable of performing tissue-specific functions, so-called microtissues, for applications in drug testing, regenerative medicine, and cell therapies. In this work, we review the most recent advances in the field, with particular focus on the formulation of cell-encapsulating microgels of small "dimensionalities": "0D" (particles), "1D" (fibers), "2D" (sheets), etc., and with nontrivial internal topologies, typically consisting of multiple compartments loaded with different types of cells and/or biopolymers. Such structures, which we refer to as topological hydrogels or topological microgels (examples including core-shell or Janus microbeads and microfibers, hollow or porous microstructures, or granular hydrogels) can be precisely tailored with high reproducibility and throughput by using microfluidics and used to provide controlled "initial conditions" for cell proliferation and maturation into functional tissue-like microstructures. Microfluidic methods of formulation of topological biomaterials have enabled significant progress in engineering of miniature tissues and organs, such as pancreas, liver, muscle, bone, heart, neural tissue, or vasculature, as well as in fabrication of tailored microenvironments for stem-cell expansion and differentiation, or in cancer modeling, including generation of vascularized tumors for personalized drug testing. We review the available microfluidic fabrication methods by exploiting various cross-linking mechanisms and various routes toward compartmentalization and critically discuss the available tissue-specific applications. Finally, we list the remaining challenges such as simplification of the microfluidic workflow for its widespread use in biomedical research, bench-to-bedside transition including production upscaling, further in vivo validation, generation of more precise organ-like models, as well as incorporation of induced pluripotent stem cells as a step toward clinical applications.
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20
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Taymour R, Chicaiza-Cabezas NA, Gelinsky M, Lode A. Core-shell bioprinting of vascularized in vitro liver sinusoid models. Biofabrication 2022; 14. [PMID: 36070706 DOI: 10.1088/1758-5090/ac9019] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 09/07/2022] [Indexed: 11/12/2022]
Abstract
In vitro liver models allow the investigation of the cell behavior in disease conditions or in response to changes in the microenvironment. A major challenge in liver tissue engineering is to mimic the tissue-level complexity: Besides the selection of suitable biomaterial(s) replacing the extracellular matrix (ECM) and cell sources, the three-dimensional (3D) microarchitecture defined by the fabrication method is a critical factor to achieve functional constructs. In this study, coaxial extrusion-based 3D bioprinting has been applied to develop a liver sinusoid-like model that consists of a core compartment containing pre-vascular structures and a shell compartment containing hepatocytes. The shell ink was composed of alginate and methylcellulose (algMC), dissolved in human fresh frozen plasma. The algMC blend conferred high printing fidelity and stability to the core-shell constructs and the plasma as biologically active component enhanced viability and supported cluster formation and biomarker expression of HepG2 embedded in the shell. For the core, a natural ECM-like ink based on angiogenesis-supporting collagen-fibrin (CF) matrices was developed; the addition of gelatin (G) enabled 3D printing in combination with the plasma-algMC shell ink. Human endothelial cells (HUVEC), laden in the CFG core ink together with human fibroblasts as supportive cells, formed a pre-vascular network in the core in the absence and presence of HepG2 in the shell. The cellular interactions occurring in the triple culture model enhanced the albumin secretion. In conclusion, core-shell bioprinting was shown to be a valuable tool to study cell-cell-interactions and to develop complex tissue-like models.
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Affiliation(s)
- Rania Taymour
- Centre for Translational Bone, Joint and Soft Tissue Research, Faculty of Medicine, Dresden University of Technology, Fetscherstrasse 74, Dresden, Sachsen, 01307, GERMANY
| | - Nathaly Alejandra Chicaiza-Cabezas
- Centre for Translational Bone, Joint and Soft Tissue Research, Technische Universitaet Dresden, Fetscherstrasse 74, Dresden, Sachsen, 01307, GERMANY
| | - Michael Gelinsky
- Centre for Translational Bone, Joint and Soft Tissue Research, Technische Universitat Dresden, Fetscherstr. 74, Dresden, 01062, GERMANY
| | - Anja Lode
- Centre for Translational Bone, Joint and Soft Tissue Research, Technische Universitaet Dresden, Fetscherstrasse 74, Dresden, 01307, GERMANY
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21
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Kim H, Osaki T, Kamm RD, Asada HH. Tri-culture of spatially organizing human skeletal muscle cells, endothelial cells, and fibroblasts enhances contractile force and vascular perfusion of skeletal muscle tissues. FASEB J 2022; 36:e22453. [PMID: 35838893 DOI: 10.1096/fj.202200500r] [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: 03/28/2022] [Revised: 06/21/2022] [Accepted: 07/05/2022] [Indexed: 11/11/2022]
Abstract
Constructing engineered human skeletal muscle tissues that resemble the function and microstructure of human skeletal muscles is key to utilizing them in a variety of applications such as drug development, disease modeling, regenerative medicine, and engineering biological machines. However, current in vitro skeletal muscle tissues are far inferior to native muscles in terms of contractile function and lack essential cues for muscle functions, particularly heterotypic cell-cell interactions between myoblasts, endothelial cells, and fibroblasts. Here, we develop an engineered muscle tissue with a coaxial three-layered tubular structure composed of an inner endothelial cell layer, an endomysium-like layer with fibroblasts in the middle, and an outer skeletal muscle cell layer, similar to the architecture of native skeletal muscles. Engineered skeletal muscle tissues with three spatially organized cell types produced thicker myotubes and lowered Young's modulus through extracellular matrix remodeling, resulting in 43% stronger contractile force. Furthermore, we demonstrated that fibroblasts localized in the endomysium layer induced angiogenic sprouting of endothelial cells into the muscle layer more effectively than fibroblasts homogeneously distributed in the muscle layer. This layered tri-culture system enables a structured spatial configuration of the three main cell types of skeletal muscle and promotes desired paracrine signaling, resulting in improved angiogenesis and increased contractile force. This research offers new insights to efficiently obtain new human skeletal muscle models, transplantable tissues, and actuators for biological machines.
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Affiliation(s)
- Hyeonyu Kim
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.,Stanford Cardiovascular Institute and Department of Medicine, Stanford University, Stanford, California, USA
| | - Tatsuya Osaki
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.,Picower Institute for Learning and Memory, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA
| | - Roger D Kamm
- Departments of Biological and Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA
| | - H Harry Asada
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA
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22
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de Melo BAG, Mundim MV, Lemes RMR, Cruz EM, Ribeiro TN, Santiago CF, da Fonsêca JHL, Benincasa JC, Stilhano RS, Mantovani N, Santana LC, Durães‐Carvalho R, Diaz RS, Janini LMR, Maricato JT, Porcionatto MA. 3D Bioprinted Neural-Like Tissue as a Platform to Study Neurotropism of Mouse-Adapted SARS-CoV-2. Adv Biol (Weinh) 2022; 6:e2200002. [PMID: 35521969 PMCID: PMC9347594 DOI: 10.1002/adbi.202200002] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 04/05/2022] [Indexed: 01/28/2023]
Abstract
The effects of neuroinvasion by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) become clinically relevant due to the numerous neurological symptoms observed in Corona Virus Disease 2019 (COVID-19) patients during infection and post-COVID syndrome or long COVID. This study reports the biofabrication of a 3D bioprinted neural-like tissue as a proof-of-concept platform for a more representative study of SARS-CoV-2 brain infection. Bioink is optimized regarding its biophysical properties and is mixed with murine neural cells to construct a 3D model of COVID-19 infection. Aiming to increase the specificity to murine cells, SARS-CoV-2 is mouse-adapted (MA-SARS-CoV-2) in vitro, in a protocol first reported here. MA-SARS-CoV-2 reveals mutations located at the Orf1a and Orf3a domains and is evolutionarily closer to the original Wuhan SARS-CoV-2 strain than SARS-CoV-2 used for adaptation. Remarkably, MA-SARS-CoV-2 shows high specificity to murine cells, which present distinct responses when cultured in 2D and 3D systems, regarding cell morphology, neuroinflammation, and virus titration. MA-SARS-CoV-2 represents a valuable tool in studies using animal models, and the 3D neural-like tissue serves as a powerful in vitro platform for modeling brain infection, contributing to the development of antivirals and new treatments for COVID-19.
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Affiliation(s)
- Bruna A. G. de Melo
- Department of BiochemistryEscola Paulista de MedicinaUniversidade Federal de São PauloSão Paulo04039‐032Brazil
| | - Mayara V. Mundim
- Department of BiochemistryEscola Paulista de MedicinaUniversidade Federal de São PauloSão Paulo04039‐032Brazil
| | - Robertha M. R. Lemes
- Department of Biological SciencesUniversidade Federal de São PauloDiadema09920‐540Brazil
| | - Elisa M. Cruz
- Department of BiochemistryEscola Paulista de MedicinaUniversidade Federal de São PauloSão Paulo04039‐032Brazil
| | - Tais N. Ribeiro
- Department of BiochemistryEscola Paulista de MedicinaUniversidade Federal de São PauloSão Paulo04039‐032Brazil
| | - Carolina F. Santiago
- Department of MicrobiologyImmunology and ParasitoloyEscola Paulista de MedicinaUniversidade Federal de São PauloSão Paulo04039‐032Brazil
| | - Jéssica H. L. da Fonsêca
- Department of Manufacturing and Materials EngineeringFaculdade de Engenharia MecânicaUniversidade Estadual de CampinasCampinasSP13083‐860Brazil
| | - Julia C. Benincasa
- Department of BiochemistryEscola Paulista de MedicinaUniversidade Federal de São PauloSão Paulo04039‐032Brazil
| | - Roberta S. Stilhano
- Department of Physiological SciencesFaculdade de Ciências MédicasSanta Casa de São PauloSão Paulo01221‐020Brazil
| | - Nathalia Mantovani
- Department of MedicineEscola Paulista de MedicinaUniversidade Federal de São PauloSão Paulo04039‐032Brazil
| | - Luiz C. Santana
- Department of MedicineEscola Paulista de MedicinaUniversidade Federal de São PauloSão Paulo04039‐032Brazil
| | - Ricardo Durães‐Carvalho
- Department of MicrobiologyImmunology and ParasitoloyEscola Paulista de MedicinaUniversidade Federal de São PauloSão Paulo04039‐032Brazil
| | - Ricardo S. Diaz
- Department of MedicineEscola Paulista de MedicinaUniversidade Federal de São PauloSão Paulo04039‐032Brazil
| | - Luiz M. R. Janini
- Department of MicrobiologyImmunology and ParasitoloyEscola Paulista de MedicinaUniversidade Federal de São PauloSão Paulo04039‐032Brazil
| | - Juliana T. Maricato
- Department of MicrobiologyImmunology and ParasitoloyEscola Paulista de MedicinaUniversidade Federal de São PauloSão Paulo04039‐032Brazil
| | - Marimelia A. Porcionatto
- Department of BiochemistryEscola Paulista de MedicinaUniversidade Federal de São PauloSão Paulo04039‐032Brazil
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23
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Ebrahimi S, Shams A, Maghami P, Hekmat A. Investigation of Signals and Transcription Factors for The Generation of Female Germ-Like Cells. CELL JOURNAL 2022; 24:458-464. [PMID: 36093805 PMCID: PMC9468721 DOI: 10.22074/cellj.2022.8303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Indexed: 11/04/2022]
Abstract
<strong>Objective:</strong> Primordial germ cell (PGCs) lines are a source of a highly specialized type of cells, characteristically oocytes,<br />during female germline development in vivo. The oocyte growth begins in the transition from the primary follicle. It is<br />associated with dynamic changes in gene expression, but the gene-regulating signals and transcription factors that control oocyte growth remain unknown. We aim to investigate the differentiation potential of mouse bone marrow mesenchymal stem cells (mMSCs) into female germ-like cells by testing several signals and transcription factors.<br /><strong>Materials and Methods:</strong> In this experimental study, mMSCs were extracted from mice femur bone using the flushing<br />technique. The cluster-differentiation (CD) of superficial mesenchymal markers was determined with flow cytometric analysis. We applied a set of transcription factors including retinoic acid (RA), titanium nanotubes (TNTs), and fibrin such as TNT-coated fibrin (F+TNT) formation and (RA+F+TNT) induction, and investigated the changes in gene, MVH/ DDX4, expression and functional screening using an in vitro mouse oocyte development condition. Germ cell markers expression, (MVH / DDX4), was analyzed with Immunocytochemistry staining, quantitative transcription-polymerase chain reaction (RT-qPCR) analysis, and Western blots.<br /><strong>Results:</strong> The expression of CD was confirmed by flow cytometry. The phase determination of the TNTs and F+TNT were confirmed using x-ray diffraction (XRD) and scanning electron microscope (SEM), respectively. Remarkably, applying these transcription factors quickly induced pluripotent stem cells into oocyte-like cells that were sufficient to generate female germlike cells, growth, and maturation from mMSCs differentiation. These transcription factors formed oocyte-like cells specification of stem cells, epigenetic reprogramming, or meiosis and indicate that oocyte meiosis initiation and oocyte growth are not separable from the previous epigenetic reprogramming in stem cells in vitro.<br /><strong>Conclusion:</strong> Results suggested several transcription factors may apply for arranging oocyte-like cell growth and supplies an alternative source of in vitro maturation (IVM).
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Affiliation(s)
- Saman Ebrahimi
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Alireza Shams
- Department of Anatomy, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran,P.O.Box: 3149969415Department of AnatomySchool of MedicineAlborz University of Medical SciencesKarajIran
| | - Parvaneh Maghami
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Azadeh Hekmat
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
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24
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Li Q, Niu K, Wang D, Xuan L, Wang X. Low-cost rapid prototyping and assembly of an open microfluidic device for a 3D vascularized organ-on-a-chip. LAB ON A CHIP 2022; 22:2682-2694. [PMID: 34581377 DOI: 10.1039/d1lc00767j] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Reconstruction of 3D vascularized microtissues within microfabricated devices has rapidly developed in biomedical engineering, which can better mimic the tissue microphysiological function and accurately model human diseases in vitro. However, the traditional PDMS-based microfluidic devices suffer from the microfabrication with complex processes and usage limitations of either material properties or microstructure design, which drive the demand for easy processing and more accessible devices with a user-friendly interface. Here, we present an open microfluidic device through a rapid prototyping method by laser cutting in a cost-effective manner with high flexibility and compatibility. This device allows highly efficient and robust hydrogel patterning under a liquid guiding rail by spontaneous capillary action without the need for surface treatment. Different vascularization mechanisms including vasculogenesis and angiogenesis were performed to construct a 3D perfusable microvasculature inside a tissue chamber with various shapes under different microenvironment factors. Furthermore, as a proof-of-concept we have created a vascularized spheroid by placing a monoculture spheroid into the central through-hole of this device, which formed angiogenesis between the spheroid and microvascular network. This open microfluidic device has great potential for mass customization without the need for complex microfabrication equipment in the cleanroom, which can facilitate studies requiring high-throughput and high-content screening.
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Affiliation(s)
- Qinyu Li
- Department of Micro/Nano Electronics, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, P. R. China.
| | - Kai Niu
- Department of Micro/Nano Electronics, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, P. R. China.
| | - Ding Wang
- Department of Micro/Nano Electronics, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, P. R. China.
| | - Lian Xuan
- Institute of Medical Robotics, Shanghai Jiao Tong University, Shanghai 200240, People's Republic of China
| | - Xiaolin Wang
- Department of Micro/Nano Electronics, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, P. R. China.
- Institute of Medical Robotics, Shanghai Jiao Tong University, Shanghai 200240, People's Republic of China
- National Key Laboratory of Science and Technology on Micro/Nano Fabrication, Department of Micro/Nano Electronics, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, People's Republic of China
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25
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Cell mediated remodeling of stiffness matched collagen and fibrin scaffolds. Sci Rep 2022; 12:11736. [PMID: 35817812 PMCID: PMC9273755 DOI: 10.1038/s41598-022-14953-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Accepted: 06/15/2022] [Indexed: 02/07/2023] Open
Abstract
Cells are known to continuously remodel their local extracellular matrix (ECM) and in a reciprocal way, they can also respond to mechanical and biochemical properties of their fibrous environment. In this study, we measured how stiffness around dermal fibroblasts (DFs) and human fibrosarcoma HT1080 cells differs with concentration of rat tail type 1 collagen (T1C) and type of ECM. Peri-cellular stiffness was probed in four directions using multi-axes optical tweezers active microrheology (AMR). First, we found that neither cell type significantly altered local stiffness landscape at different concentrations of T1C. Next, rat tail T1C, bovine skin T1C and fibrin cell-free hydrogels were polymerized at concentrations formulated to match median stiffness value. Each of these hydrogels exhibited distinct fiber architecture. Stiffness landscape and fibronectin secretion, but not nuclear/cytoplasmic YAP ratio differed with ECM type. Further, cell response to Y27632 or BB94 treatments, inhibiting cell contractility and activity of matrix metalloproteinases, respectively, was also dependent on ECM type. Given differential effect of tested ECMs on peri-cellular stiffness landscape, treatment effect and cell properties, this study underscores the need for peri-cellular and not bulk stiffness measurements in studies on cellular mechanotransduction.
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26
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Li J, Kim C, Pan CC, Babian A, Lui E, Young JL, Moeinzadeh S, Kim S, Yang YP. Hybprinting for musculoskeletal tissue engineering. iScience 2022; 25:104229. [PMID: 35494239 PMCID: PMC9051619 DOI: 10.1016/j.isci.2022.104229] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
This review presents bioprinting methods, biomaterials, and printing strategies that may be used for composite tissue constructs for musculoskeletal applications. The printing methods discussed include those that are suitable for acellular and cellular components, and the biomaterials include soft and rigid components that are suitable for soft and/or hard tissues. We also present strategies that focus on the integration of cell-laden soft and acellular rigid components under a single printing platform. Given the structural and functional complexity of native musculoskeletal tissue, we envision that hybrid bioprinting, referred to as hybprinting, could provide unprecedented potential by combining different materials and bioprinting techniques to engineer and assemble modular tissues.
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Affiliation(s)
- Jiannan Li
- Department of Orthopaedic Surgery, School of Medicine, Stanford University, 300 Pasteur Drive BMI 258, Stanford, CA 94305, USA
| | - Carolyn Kim
- Department of Orthopaedic Surgery, School of Medicine, Stanford University, 300 Pasteur Drive BMI 258, Stanford, CA 94305, USA.,Department of Mechanical Engineering, 416 Escondido Mall, Stanford University, Stanford, CA 94305, USA
| | - Chi-Chun Pan
- Department of Orthopaedic Surgery, School of Medicine, Stanford University, 300 Pasteur Drive BMI 258, Stanford, CA 94305, USA.,Department of Mechanical Engineering, 416 Escondido Mall, Stanford University, Stanford, CA 94305, USA
| | - Aaron Babian
- Department of Biological Sciences, University of California, Davis CA 95616, USA
| | - Elaine Lui
- Department of Orthopaedic Surgery, School of Medicine, Stanford University, 300 Pasteur Drive BMI 258, Stanford, CA 94305, USA.,Department of Mechanical Engineering, 416 Escondido Mall, Stanford University, Stanford, CA 94305, USA
| | - Jeffrey L Young
- Department of Orthopaedic Surgery, School of Medicine, Stanford University, 300 Pasteur Drive BMI 258, Stanford, CA 94305, USA
| | - Seyedsina Moeinzadeh
- Department of Orthopaedic Surgery, School of Medicine, Stanford University, 300 Pasteur Drive BMI 258, Stanford, CA 94305, USA
| | - Sungwoo Kim
- Department of Orthopaedic Surgery, School of Medicine, Stanford University, 300 Pasteur Drive BMI 258, Stanford, CA 94305, USA
| | - Yunzhi Peter Yang
- Department of Orthopaedic Surgery, School of Medicine, Stanford University, 300 Pasteur Drive BMI 258, Stanford, CA 94305, USA.,Department of Materials Science and Engineering, Stanford University, 496 Lomita Mall, Stanford, CA 94305, USA.,Department of Bioengineering, Stanford University, 443 Via Ortega, Stanford, CA 94305, USA
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27
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Rajasekar S, Lin DSY, Zhang F, Sotra A, Boshart A, Clotet-Freixas S, Liu A, Hirota JA, Ogawa S, Konvalinka A, Zhang B. Subtractive manufacturing with swelling induced stochastic folding of sacrificial materials for fabricating complex perfusable tissues in multi-well plates. LAB ON A CHIP 2022; 22:1929-1942. [PMID: 35383790 DOI: 10.1039/d1lc01141c] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Organ-on-a-chip systems that recapitulate tissue-level functions have been proposed to improve in vitro-in vivo correlation in drug development. Significant progress has been made to control the cellular microenvironment with mechanical stimulation and fluid flow. However, it has been challenging to introduce complex 3D tissue structures due to the physical constraints of microfluidic channels or membranes in organ-on-a-chip systems. Inspired by 4D bioprinting, we develop a subtractive manufacturing technique where a flexible sacrificial material can be patterned on a 2D surface, swell and shape change when exposed to aqueous hydrogel, and subsequently degrade to produce perfusable networks in a natural hydrogel matrix that can be populated with cells. The technique is applied to fabricate organ-specific vascular networks, vascularized kidney proximal tubules, and terminal lung alveoli in a customized 384-well plate and then further scaled to a 24-well plate format to make a large vascular network, vascularized liver tissues, and for integration with ultrasound imaging. This biofabrication method eliminates the physical constraints in organ-on-a-chip systems to incorporate complex ready-to-perfuse tissue structures in an open-well design.
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Affiliation(s)
- Shravanthi Rajasekar
- Department of Chemical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L8, Canada.
| | - Dawn S Y Lin
- Department of Chemical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L8, Canada.
| | - Feng Zhang
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L8, Canada
| | - Alexander Sotra
- Department of Chemical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L8, Canada.
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L8, Canada
| | - Alex Boshart
- Advanced Diagnostics, Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario, Canada
- Renal Transplant Program, Soham and Shaila Ajmera Family Transplant Centre, University Health Network, Toronto, Ontario, Canada
| | - Sergi Clotet-Freixas
- Advanced Diagnostics, Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario, Canada
- Renal Transplant Program, Soham and Shaila Ajmera Family Transplant Centre, University Health Network, Toronto, Ontario, Canada
| | - Amy Liu
- Faculty of Health Sciences, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L8, Canada
| | - Jeremy A Hirota
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L8, Canada
- Department of Medicine, Division of Respirology, McMaster University, 1200 Main St W, Hamilton, ON, L8N 3Z5, Canada
- Firestone Institute for Respiratory Health, St. Joseph's Hospital, Hamilton, ON, L8N 4A6, Canada
| | - Shinichiro Ogawa
- McEwen Stem Cell Institute, University Health Network, MaRS Center, 101 College St, Toronto, Ontario, M5G 1L7, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, MaRS Center, 101 College St, Toronto, Ontario, M5G 1L7 Canada
- Liver Transplant Program, Soham and Shaila Ajmera Family Transplant Centre, University Health Network, Toronto, Ontario, Canada
| | - Ana Konvalinka
- Advanced Diagnostics, Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario, Canada
- Renal Transplant Program, Soham and Shaila Ajmera Family Transplant Centre, University Health Network, Toronto, Ontario, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, MaRS Center, 101 College St, Toronto, Ontario, M5G 1L7 Canada
- Department of Medicine, Division of Nephrology, University Health Network, Toronto, Ontario, Canada
- Institute of Medical Science, University of Toronto, Toronto, Ontario, Canada
| | - Boyang Zhang
- Department of Chemical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L8, Canada.
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L8, Canada
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28
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Humphries BA, Aliabouzar M, Quesada C, Bevoor A, Ho KKY, Farfel A, Buschhaus JM, Rajendran S, Fabiilli ML, Luker GD. Ultrasound-Induced Mechanical Compaction in Acoustically Responsive Scaffolds Promotes Spatiotemporally Modulated Signaling in Triple Negative Breast Cancer. Adv Healthc Mater 2022; 11:e2101672. [PMID: 35106975 PMCID: PMC9117464 DOI: 10.1002/adhm.202101672] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 01/10/2022] [Indexed: 11/06/2022]
Abstract
Cancer cells continually sense and respond to mechanical cues from the extracellular matrix (ECM). Interaction with the ECM can alter intracellular signaling cascades, leading to changes in processes that promote cancer cell growth, migration, and survival. The present study used a recently developed composite hydrogel composed of a fibrin matrix and phase-shift emulsion, termed an acoustically responsive scaffold (ARS), to investigate effects of local mechanical properties on breast cancer cell signaling. Treatment of ARSs with focused ultrasound drives acoustic droplet vaporization (ADV) in a spatiotemporally controlled manner, inducing local compaction and stiffening of the fibrin matrix adjacent to the matrix-bubble interface. Combining ARSs and live single cell imaging of triple-negative breast cancer cells, it is discovered that both basal and growth-factor stimulated activities of protein kinase B (also known as Akt) and extracellular signal-regulated kinase (ERK), two major kinases driving cancer progression, negatively correlate with increasing distance from the ADV-induced bubble both in vitro and in a mouse model. Together, these data demonstrate that local changes in ECM compaction regulate Akt and ERK signaling in breast cancer and support further applications of the novel ARS technology to analyze spatial and temporal effects of ECM mechanics on cell signaling and cancer biology.
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Affiliation(s)
- Brock A. Humphries
- Department of Radiology University of Michigan Ann Arbor MI 48109 USA
- Center for Molecular Imaging University of Michigan Ann Arbor MI 48109 USA
| | - Mitra Aliabouzar
- Department of Radiology University of Michigan Ann Arbor MI 48109 USA
| | - Carole Quesada
- Department of Radiology University of Michigan Ann Arbor MI 48109 USA
| | - Avinash Bevoor
- Department of Radiology University of Michigan Ann Arbor MI 48109 USA
- Center for Molecular Imaging University of Michigan Ann Arbor MI 48109 USA
| | - Kenneth K. Y. Ho
- Department of Radiology University of Michigan Ann Arbor MI 48109 USA
- Center for Molecular Imaging University of Michigan Ann Arbor MI 48109 USA
| | - Alex Farfel
- Department of Radiology University of Michigan Ann Arbor MI 48109 USA
- Center for Molecular Imaging University of Michigan Ann Arbor MI 48109 USA
| | - Johanna M. Buschhaus
- Department of Radiology University of Michigan Ann Arbor MI 48109 USA
- Center for Molecular Imaging University of Michigan Ann Arbor MI 48109 USA
- Department of Biomedical Engineering University of Michigan Ann Arbor MI 48109 USA
| | - Shrila Rajendran
- Department of Radiology University of Michigan Ann Arbor MI 48109 USA
- Center for Molecular Imaging University of Michigan Ann Arbor MI 48109 USA
| | - Mario L. Fabiilli
- Department of Radiology University of Michigan Ann Arbor MI 48109 USA
- Department of Biomedical Engineering University of Michigan Ann Arbor MI 48109 USA
- Applied Physics Program University of Michigan Ann Arbor MI 48109 USA
| | - Gary D. Luker
- Department of Radiology University of Michigan Ann Arbor MI 48109 USA
- Center for Molecular Imaging University of Michigan Ann Arbor MI 48109 USA
- Department of Biomedical Engineering University of Michigan Ann Arbor MI 48109 USA
- Department of Microbiology and Immunology University of Michigan Ann Arbor MI 48109 USA
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29
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Helms F, Zippusch S, Theilen J, Haverich A, Wilhelmi M, Böer U. An encapsulated fibrin-based bioartificial tissue construct with integrated macrovessels, microchannels and capillary tubes. Biotechnol Bioeng 2022; 119:2239-2249. [PMID: 35485750 DOI: 10.1002/bit.28111] [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: 11/05/2021] [Revised: 04/01/2022] [Accepted: 04/06/2022] [Indexed: 11/06/2022]
Abstract
Facilitating sufficient nutrient and oxygen supply in large-scale bioartificial constructs is a critical step in organ bioengineering. Immediate perfusion not only depends on a dense capillary network, but also requires integrated large-diameter vessels that allow vascular anastomoses during implantation. These requirements set high demands for matrix generation as well as for in vitro cultivation techniques and remain mostly unsolved challenges up until today. Additionally, bioartificial constructs must have sufficient biomechanical stability to withstand mechanical stresses during and after implantation. We developed a bioartificial tissue construct with a fibrin matrix containing human umbilical vein endothelial cells and adipose tissue-derived stem cells facilitating capillary-like network formation. This core matrix was surrounded by a dense acellular fibrin capsule providing biomechanical stability. Two fibrin-based macrovessels were integrated on each side of the construct and interconnected via four 1.2 mm thick microchannels penetrating the cellularized core matrix. After four days of perfusion in a custom-built bioreactor, homogenous capillary-like network formation throughout the core matrix was observed. The fibrin capsule stabilized the core matrix and facilitated the generation of a self-supporting construct. Thus, the encapsulated fibrin tissue construct could provide a universal pre-vascularized matrix for seeding with different cell types in various tissue engineering approaches. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Florian Helms
- Lower Saxony Centre for Biomedical Engineering, Implant Research and Development (NIFE), Hannover Medical School, Hannover, Germany, Stadtfelddamm 34, 30625, Hannover, Germany.,Division for Cardiothoracic-, Transplantation- and Vascular Surgery, Hannover Medical School, Hannover, Germany
| | - Sarah Zippusch
- Lower Saxony Centre for Biomedical Engineering, Implant Research and Development (NIFE), Hannover Medical School, Hannover, Germany, Stadtfelddamm 34, 30625, Hannover, Germany.,Division for Cardiothoracic-, Transplantation- and Vascular Surgery, Hannover Medical School, Hannover, Germany
| | - Jonathan Theilen
- Lower Saxony Centre for Biomedical Engineering, Implant Research and Development (NIFE), Hannover Medical School, Hannover, Germany, Stadtfelddamm 34, 30625, Hannover, Germany
| | - Axel Haverich
- Lower Saxony Centre for Biomedical Engineering, Implant Research and Development (NIFE), Hannover Medical School, Hannover, Germany, Stadtfelddamm 34, 30625, Hannover, Germany.,Division for Cardiothoracic-, Transplantation- and Vascular Surgery, Hannover Medical School, Hannover, Germany
| | - Mathias Wilhelmi
- Lower Saxony Centre for Biomedical Engineering, Implant Research and Development (NIFE), Hannover Medical School, Hannover, Germany, Stadtfelddamm 34, 30625, Hannover, Germany.,Department of Vascular- and Endovascular Surgery, St. Bernward Hospital, Hildesheim, Germany
| | - Ulrike Böer
- Lower Saxony Centre for Biomedical Engineering, Implant Research and Development (NIFE), Hannover Medical School, Hannover, Germany, Stadtfelddamm 34, 30625, Hannover, Germany.,Division for Cardiothoracic-, Transplantation- and Vascular Surgery, Hannover Medical School, Hannover, Germany
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30
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Jiang Y, Torun T, Maffioletti SM, Serio A, Tedesco FS. Bioengineering human skeletal muscle models: Recent advances, current challenges and future perspectives. Exp Cell Res 2022; 416:113133. [DOI: 10.1016/j.yexcr.2022.113133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 12/30/2021] [Accepted: 03/28/2022] [Indexed: 11/04/2022]
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31
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Tissue-engineered collagenous fibrous cap models to systematically elucidate atherosclerotic plaque rupture. Sci Rep 2022; 12:5434. [PMID: 35361847 PMCID: PMC8971478 DOI: 10.1038/s41598-022-08425-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 03/04/2022] [Indexed: 12/24/2022] Open
Abstract
A significant amount of vascular thrombotic events are associated with rupture of the fibrous cap that overlie atherosclerotic plaques. Cap rupture is however difficult to predict due to the heterogenous composition of the plaque, unknown material properties, and the stochastic nature of the event. Here, we aim to create tissue engineered human fibrous cap models with a variable but controllable collagen composition, suitable for mechanical testing, to scrutinize the reciprocal relationships between composition and mechanical properties. Myofibroblasts were cultured in 1 × 1.5 cm-sized fibrin-based constrained gels for 21 days according to established (dynamic) culture protocols (i.e. static, intermittent or continuous loading) to vary collagen composition (e.g. amount, type and organization). At day 7, a soft 2 mm ∅ fibrin inclusion was introduced in the centre of each tissue to mimic the soft lipid core, simulating the heterogeneity of a plaque. Results demonstrate reproducible collagenous tissues, that mimic the bulk mechanical properties of human caps and vary in collagen composition due to the presence of a successfully integrated soft inclusion and the culture protocol applied. The models can be deployed to assess tissue mechanics, evolution and failure of fibrous caps or complex heterogeneous tissues in general.
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32
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Zoetebier B, Schmitz T, Ito K, Karperien M, Tryfonidou MA, Paez J. Injectable hydrogels for articular cartilage and nucleus pulposus repair: Status quo and prospects. Tissue Eng Part A 2022; 28:478-499. [PMID: 35232245 DOI: 10.1089/ten.tea.2021.0226] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Osteoarthritis (OA) and chronic low back pain due to degenerative (intervertebral) disc disease (DDD) are two of the major causes of disabilities worldwide, affecting hundreds of millions of people and leading to a high socioeconomic burden. Although OA occurs in synovial joints and DDD occurs in cartilaginous joints, the similarities are striking, with both joints showing commonalities in the nature of the tissues and in the degenerative processes during disease. Consequently, repair strategies for articular cartilage (AC) and nucleus pulposus (NP), the core of the intervertebral disc, in the context of OA and DDD share common aspects. One of such tissue engineering approaches is the use of injectable hydrogels for AC and NP repair. In this review, the state-of-the-art and recent developments in injectable hydrogels for repairing, restoring, and regenerating AC tissue suffering from OA and NP tissue in DDD are summarized focusing on cell-free approaches. The various biomaterial strategies exploited for repair of both tissues are compared, and the synergies that could be gained by translating experiences from one tissue to the other are identified.
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Affiliation(s)
- Bram Zoetebier
- University of Twente Faculty of Science and Technology, 207105, Developmental BioEngineering , Drienerlolaan 5, Enschede, Netherlands, 7500 AE;
| | - Tara Schmitz
- Eindhoven University of Technology, 3169, Department of Biomedical Engineering, Eindhoven, Noord-Brabant, Netherlands;
| | - Keita Ito
- Eindhoven University of Technology, Department of Biomedical Engineering, P.O. Box 513, GEMZ 4.115, Eindhoven, Netherlands, 5600 MB;
| | | | - Marianna A Tryfonidou
- Utrecht University, Faculty of Veterinary Medicine, Clinical Sciences of Companion Animals, Yalelaan 108, Utrecht, Netherlands, 3584 CM;
| | - Julieta Paez
- University of Twente Faculty of Science and Technology, 207105, Developmental Bioengineering, University of Twente P.O. Box 217, Enschede The Netherlands, Enschede, Netherlands, 7500 AE;
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33
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Yang Q, Enríquez Á, Devathasan D, Thompson CA, Nayee D, Harris R, Satoski D, Obeng-Gyasi B, Lee A, Bentley RT, Lee H. Application of magnetically actuated self-clearing catheter for rapid in situ blood clot clearance in hemorrhagic stroke treatment. Nat Commun 2022; 13:520. [PMID: 35082280 PMCID: PMC8791973 DOI: 10.1038/s41467-022-28101-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Accepted: 01/06/2022] [Indexed: 11/08/2022] Open
Abstract
Maintaining the patency of indwelling drainage devices is critical in preventing further complications following an intraventricular hemorrhage (IVH) and other chronic disease management. Surgeons often use drainage devices to remove blood and cerebrospinal fluid but these catheters frequently become occluded with hematoma. Using an implantable magnetic microactuator, we created a self-clearing catheter that can generate large enough forces to break down obstructive blood clots by applying time-varying magnetic fields. In a blood-circulating model, our self-clearing catheters demonstrated a > 7x longer functionality than traditional catheters (211 vs. 27 min) and maintained a low pressure for longer periods (239 vs. 79 min). Using a porcine IVH model, the self-clearing catheters showed a greater survival rate than control catheters (86% vs. 0%) over the course of 6 weeks. The treated animals also had significantly smaller ventricle sizes 1 week after implantation compared to the control animals with traditional catheters. Our results suggest that these magnetic microactuator-embedded smart catheters can expedite the removal of blood from the ventricles and potentially improve the outcomes of critical patients suffering from often deadly IVH.
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Affiliation(s)
- Qi Yang
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN, 47907, USA
- Center for Implantable Devices, Purdue University, West Lafayette, IN, 47907, USA
- Birck Nanotechnology Center, Purdue University, West Lafayette, IN, 47907, USA
- School of Electrical and Computer Engineering, Purdue University, West Lafayette, IN, 47907, USA
| | - Ángel Enríquez
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN, 47907, USA
- Center for Implantable Devices, Purdue University, West Lafayette, IN, 47907, USA
- Birck Nanotechnology Center, Purdue University, West Lafayette, IN, 47907, USA
| | - Dillon Devathasan
- College of Veterinary Medicine, Purdue University, West Lafayette, IN, 47907, USA
| | - Craig A Thompson
- College of Veterinary Medicine, Purdue University, West Lafayette, IN, 47907, USA
| | - Dillan Nayee
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN, 47907, USA
- Center for Implantable Devices, Purdue University, West Lafayette, IN, 47907, USA
| | - Ryan Harris
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN, 47907, USA
- Center for Implantable Devices, Purdue University, West Lafayette, IN, 47907, USA
| | - Douglas Satoski
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN, 47907, USA
- Center for Implantable Devices, Purdue University, West Lafayette, IN, 47907, USA
| | - Barnabas Obeng-Gyasi
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN, 47907, USA
- Center for Implantable Devices, Purdue University, West Lafayette, IN, 47907, USA
| | - Albert Lee
- Goodman Campbell Brain and Spine, Indianapolis, IN, 46202, USA
| | - R Timothy Bentley
- College of Veterinary Medicine, Purdue University, West Lafayette, IN, 47907, USA
| | - Hyowon Lee
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN, 47907, USA.
- Center for Implantable Devices, Purdue University, West Lafayette, IN, 47907, USA.
- Birck Nanotechnology Center, Purdue University, West Lafayette, IN, 47907, USA.
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34
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Ozgun A, Lomboni D, Arnott H, Staines WA, Woulfe J, Variola F. Biomaterial-based strategies for in vitro neural models. Biomater Sci 2022; 10:1134-1165. [PMID: 35023513 DOI: 10.1039/d1bm01361k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
In vitro models have been used as a complementary tool to animal studies in understanding the nervous system's physiological mechanisms and pathological disorders, while also serving as platforms to evaluate the safety and efficiency of therapeutic candidates. Following recent advances in materials science, micro- and nanofabrication techniques and cell culture systems, in vitro technologies have been rapidly gaining the potential to bridge the gap between animal and clinical studies by providing more sophisticated models that recapitulate key aspects of the structure, biochemistry, biomechanics, and functions of human tissues. This was made possible, in large part, by the development of biomaterials that provide cells with physicochemical features that closely mimic the cellular microenvironment of native tissues. Due to the well-known material-driven cellular response and the importance of mimicking the environment of the target tissue, the selection of optimal biomaterials represents an important early step in the design of biomimetic systems to investigate brain structures and functions. This review provides a comprehensive compendium of commonly used biomaterials as well as the different fabrication techniques employed for the design of neural tissue models. Furthermore, the authors discuss the main parameters that need to be considered to develop functional platforms not only for the study of brain physiological functions and pathological processes but also for drug discovery/development and the optimization of biomaterials for neural tissue engineering.
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Affiliation(s)
- Alp Ozgun
- Department of Mechanical Engineering, Faculty of Engineering, University of Ottawa, Ottawa, Canada. .,Department of Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, Ottawa, Canada
| | - David Lomboni
- Department of Mechanical Engineering, Faculty of Engineering, University of Ottawa, Ottawa, Canada. .,Ottawa-Carleton Institute for Biomedical Engineering (OCIBME), Ottawa, Canada
| | - Hallie Arnott
- Department of Mechanical Engineering, Faculty of Engineering, University of Ottawa, Ottawa, Canada. .,Ottawa-Carleton Institute for Biomedical Engineering (OCIBME), Ottawa, Canada
| | - William A Staines
- Department of Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, Ottawa, Canada
| | - John Woulfe
- Department of Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, Ottawa, Canada.,The Ottawa Hospital, Ottawa, Canada
| | - Fabio Variola
- Department of Mechanical Engineering, Faculty of Engineering, University of Ottawa, Ottawa, Canada. .,Department of Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, Ottawa, Canada.,Ottawa-Carleton Institute for Biomedical Engineering (OCIBME), Ottawa, Canada.,The Ottawa Hospital, Ottawa, Canada.,Children's Hospital of Eastern Ontario (CHEO), Ottawa, Canada
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35
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Ziemkiewicz N, Hilliard GM, Dunn AJ, Madsen J, Haas G, Au J, Genovese PC, Chauvin HM, West C, Paoli A, Garg K. Laminin-111-Enriched Fibrin Hydrogels Enhance Functional Muscle Regeneration Following Trauma. Tissue Eng Part A 2022; 28:297-311. [PMID: 34409846 DOI: 10.1089/ten.tea.2021.0096] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
Volumetric muscle loss (VML) is the surgical or traumatic loss of skeletal muscle, which can cause loss of limb function or permanent disability. VML injuries overwhelms the endogenous regenerative capacity of skeletal muscle and results in poor functional healing outcomes. Currently, there are no approved tissue engineering treatments for VML injuries. In this study, fibrin hydrogels enriched with laminin-111 (LM-111; 50-450 μg/mL) were used for the treatment of VML of the tibialis anterior in a rat model. Treatment with fibrin hydrogel containing 450 μg/mL of LM-111 (FBN450) improved muscle regeneration following VML injury. FBN450 hydrogel treatment increased the relative proportion of contractile to fibrotic tissue as indicated by the myosin: collagen ratio on day 28 post-VML injury. FBN450 hydrogels also enhanced myogenic protein expression and increased the quantity of small to medium size myofibers (500-2000 μm2) as well as innervated myofibers. Improved contractile tissue deposition due to FBN450 hydrogel treatment resulted in a significant improvement (∼60%) in torque production at day 28 postinjury. Taken together, these results suggest that the acellular FBN450 hydrogels provide a promising therapeutic strategy for VML that is worthy of further investigation.
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Affiliation(s)
- Natalia Ziemkiewicz
- Department of Biomedical Engineering, Parks College of Engineering, Aviation and Technology, Saint Louis University, St. Louis, Missouri, USA
| | - Genevieve M Hilliard
- Department of Biomedical Engineering, Parks College of Engineering, Aviation and Technology, Saint Louis University, St. Louis, Missouri, USA
| | - Andrew J Dunn
- Department of Biomedical Engineering, Parks College of Engineering, Aviation and Technology, Saint Louis University, St. Louis, Missouri, USA
| | - Josh Madsen
- Department of Biomedical Engineering, Parks College of Engineering, Aviation and Technology, Saint Louis University, St. Louis, Missouri, USA
| | - Gabriel Haas
- Department of Biomedical Engineering, Parks College of Engineering, Aviation and Technology, Saint Louis University, St. Louis, Missouri, USA
| | - Jeffrey Au
- Department of Biomedical Engineering, Parks College of Engineering, Aviation and Technology, Saint Louis University, St. Louis, Missouri, USA
| | - Peter C Genovese
- Department of Biomedical Engineering, Parks College of Engineering, Aviation and Technology, Saint Louis University, St. Louis, Missouri, USA
| | - Hannah M Chauvin
- Department of Biomedical Engineering, Parks College of Engineering, Aviation and Technology, Saint Louis University, St. Louis, Missouri, USA
| | - Charles West
- Department of Biomedical Engineering, Parks College of Engineering, Aviation and Technology, Saint Louis University, St. Louis, Missouri, USA
| | - Allison Paoli
- Department of Biomedical Engineering, Parks College of Engineering, Aviation and Technology, Saint Louis University, St. Louis, Missouri, USA
| | - Koyal Garg
- Department of Biomedical Engineering, Parks College of Engineering, Aviation and Technology, Saint Louis University, St. Louis, Missouri, USA
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36
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Potjewyd G, Kellett K, Hooper N. 3D hydrogel models of the neurovascular unit to investigate blood-brain barrier dysfunction. Neuronal Signal 2021; 5:NS20210027. [PMID: 34804595 PMCID: PMC8579151 DOI: 10.1042/ns20210027] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 10/20/2021] [Accepted: 10/22/2021] [Indexed: 12/16/2022] Open
Abstract
The neurovascular unit (NVU), consisting of neurons, glial cells, vascular cells (endothelial cells, pericytes and vascular smooth muscle cells (VSMCs)) together with the surrounding extracellular matrix (ECM), is an important interface between the peripheral blood and the brain parenchyma. Disruption of the NVU impacts on blood-brain barrier (BBB) regulation and underlies the development and pathology of multiple neurological disorders, including stroke and Alzheimer's disease (AD). The ability to differentiate induced pluripotent stem cells (iPSCs) into the different cell types of the NVU and incorporate them into physical models provides a reverse engineering approach to generate human NVU models to study BBB function. To recapitulate the in vivo situation such NVU models must also incorporate the ECM to provide a 3D environment with appropriate mechanical and biochemical cues for the cells of the NVU. In this review, we provide an overview of the cells of the NVU and the surrounding ECM, before discussing the characteristics (stiffness, functionality and porosity) required of hydrogels to mimic the ECM when incorporated into in vitro NVU models. We summarise the approaches available to measure BBB functionality and present the techniques in use to develop robust and translatable models of the NVU, including transwell models, hydrogel models, 3D-bioprinting, microfluidic models and organoids. The incorporation of iPSCs either without or with disease-specific genetic mutations into these NVU models provides a platform in which to study normal and disease mechanisms, test BBB permeability to drugs, screen for new therapeutic targets and drugs or to design cell-based therapies.
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Affiliation(s)
- Geoffrey Potjewyd
- Division of Neuroscience and Experimental Psychology, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester M13 9PT, U.K
| | - Katherine A.B. Kellett
- Division of Neuroscience and Experimental Psychology, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester M13 9PT, U.K
| | - Nigel M. Hooper
- Division of Neuroscience and Experimental Psychology, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester M13 9PT, U.K
- Geoffrey Jefferson Brain Research Centre, Manchester Academic Health Science Centre, Northern Care Alliance and University of Manchester, Manchester, U.K
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37
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Fan T, Wang S, Jiang Z, Ji S, Cao W, Liu W, Ji Y, Li Y, Shyh-Chang N, Gu Q. Controllable assembly of skeletal muscle-like bundles through 3D bioprinting. Biofabrication 2021; 14. [PMID: 34788746 DOI: 10.1088/1758-5090/ac3aca] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 11/17/2021] [Indexed: 12/21/2022]
Abstract
3D printing is an effective technology for recreating skeletal muscle tissuein vitro. To achieve clinical skeletal muscle injury repair, relatively large volumes of highly aligned skeletal muscle cells are required; obtaining these is still a challenge. It is currently unclear how individual skeletal muscle cells and their neighbouring components co-ordinate to establish anisotropic architectures in highly homogeneous orientations. Here, we demonstrated a 3D printing strategy followed by sequential culture processes to engineer skeletal muscle tissue. The effects of confined printing on the skeletal muscle during maturation, which impacted the myotube alignment, myogenic gene expression, and mechanical forces, were observed. Our findings demonstrate the dynamic changes of skeletal muscle tissue duringin vitro3D construction and reveal the role of physical factors in the orientation and maturity of muscle fibres.
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Affiliation(s)
- Tingting Fan
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, People's Republic of China.,Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, 100101, People's Republic of China.,University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Shuo Wang
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, People's Republic of China.,Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, 100101, People's Republic of China
| | - Zongmin Jiang
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, People's Republic of China.,Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, 100101, People's Republic of China
| | - Shen Ji
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, People's Republic of China.,Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, 100101, People's Republic of China
| | - Wenhua Cao
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, People's Republic of China.,Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, 100101, People's Republic of China.,University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Wenli Liu
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, People's Republic of China.,Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, 100101, People's Republic of China
| | - Yun Ji
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, People's Republic of China.,Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, 100101, People's Republic of China
| | - Yujing Li
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, People's Republic of China.,Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, 100101, People's Republic of China
| | - Ng Shyh-Chang
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, People's Republic of China.,Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, 100101, People's Republic of China.,University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Qi Gu
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, People's Republic of China.,Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, 100101, People's Republic of China.,University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
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38
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Wang WY, Kent RN, Huang SA, Jarman EH, Shikanov EH, Davidson CD, Hiraki HL, Lin D, Wall MA, Matera DL, Shin JW, Polacheck WJ, Shikanov A, Baker BM. Direct comparison of angiogenesis in natural and synthetic biomaterials reveals that matrix porosity regulates endothelial cell invasion speed and sprout diameter. Acta Biomater 2021; 135:260-273. [PMID: 34469789 PMCID: PMC8595798 DOI: 10.1016/j.actbio.2021.08.038] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 07/30/2021] [Accepted: 08/24/2021] [Indexed: 12/15/2022]
Abstract
Vascularization of large, diffusion-hindered biomaterial implants requires an understanding of how extracellular matrix (ECM) properties regulate angiogenesis. Sundry biomaterials assessed across many disparate angiogenesis assays have highlighted ECM determinants that influence this complex multicellular process. However, the abundance of material platforms, each with unique parameters to model endothelial cell (EC) sprouting presents additional challenges of interpretation and comparison between studies. In this work we directly compared the angiogenic potential of commonly utilized natural (collagen and fibrin) and synthetic dextran vinyl sulfone (DexVS) hydrogels in a multiplexed angiogenesis-on-a-chip platform. Modulating matrix density of collagen and fibrin hydrogels confirmed prior findings that increases in matrix density correspond to increased EC invasion as connected, multicellular sprouts, but with decreased invasion speeds. Angiogenesis in synthetic DexVS hydrogels, however, resulted in fewer multicellular sprouts. Characterizing hydrogel Young's modulus and permeability (a measure of matrix porosity), we identified matrix permeability to significantly correlate with EC invasion depth and sprout diameter. Although microporous collagen and fibrin hydrogels produced lumenized sprouts in vitro, they rapidly resorbed post-implantation into the murine epididymal fat pad. In contrast, DexVS hydrogels proved comparatively stable. To enhance angiogenesis within DexVS hydrogels, we incorporated sacrificial microgels to generate cell-scale pores throughout the hydrogel. Microporous DexVS hydrogels resulted in lumenized sprouts in vitro and enhanced cell invasion in vivo. Towards the design of vascularized biomaterials for long-term regenerative therapies, this work suggests that synthetic biomaterials offer improved size and shape control following implantation and that tuning matrix porosity may better support host angiogenesis. STATEMENT OF SIGNIFICANCE: Understanding how extracellular matrix properties govern angiogenesis will inform biomaterial design for engineering vascularized implantable grafts. Here, we utilized a multiplexed angiogenesis-on-a-chip platform to compare the angiogenic potential of natural (collagen and fibrin) and synthetic dextran vinyl sulfone (DexVS) hydrogels. Characterization of matrix properties and sprout morphometrics across these materials points to matrix porosity as a critical regulator of sprout invasion speed and diameter, supported by the observation that nanoporous DexVS hydrogels yielded endothelial cell sprouts that were not perfusable. To enhance angiogenesis into synthetic hydrogels, we incorporated sacrificial microgels to generate microporosity. We find that microporosity increased sprout diameter in vitro and cell invasion in vivo. This work establishes a composite materials approach to enhance the vascularization of synthetic hydrogels.
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Affiliation(s)
- William Y Wang
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, United States
| | - Robert N Kent
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, United States
| | - Stephanie A Huang
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Chapel Hill, NC 27514, United States
| | - Evan H Jarman
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, United States
| | - Eve H Shikanov
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, United States
| | - Christopher D Davidson
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, United States
| | - Harrison L Hiraki
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, United States
| | - Daphne Lin
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, United States
| | - Monica A Wall
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, United States
| | - Daniel L Matera
- Department of Chemical Engineering, University of Michigan, Ann Arbor, MI 48109, United States
| | - Jae-Won Shin
- Department of Pharmacology and Regenerative Medicine & Department of Bioengineering, University of Illinois at Chicago, Chicago, IL, 60607, United States
| | - William J Polacheck
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Chapel Hill, NC 27514, United States; McAllister Heart Institute, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27514, United States
| | - Ariella Shikanov
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, United States; Department of Macromolecular Science & Engineering, University of Michigan, Ann Arbor, MI, 48109, United States; Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, MI, 48109, United States
| | - Brendon M Baker
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, United States; Department of Chemical Engineering, University of Michigan, Ann Arbor, MI 48109, United States.
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39
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Yang L, He X, Jing G, Wang H, Niu J, Qian Y, Wang S. Layered Double Hydroxide Nanoparticles with Osteogenic Effects as miRNA Carriers to Synergistically Promote Osteogenesis of MSCs. ACS APPLIED MATERIALS & INTERFACES 2021; 13:48386-48402. [PMID: 34618442 DOI: 10.1021/acsami.1c14382] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Inefficient differentiation and poor engraftment hinder the clinical applications of mesenchymal stem cell (MSC)-based cell therapies in regenerative medicine. Layered double hydroxide (LDH) nanoparticles are sheet-like materials with desirable biocompatibility and anion-exchange properties and have been widely applied as drug and nucleotide carriers in the field of tissue repair. However, few studies have focused on the biological effects of LDH itself. In this study, we demonstrated the novel function of LDH in stimulating osteogenic differentiation of bone marrow-derived MSCs (BMSCs). The expression of osteogenic-related genes, alkaline phosphatase (ALP) activity, and calcium deposits were significantly increased after LDH treatment. Mechanistic analysis performed with RNA sequencing revealed that LDH promoted osteogenesis by targeting the LGR5/β-catenin axis. LDH also inactivated IKK/NF-κB signaling under LPS-triggered inflamed conditions, suggesting the dual benefits of LDH in enhancing bone regeneration and alleviating the inflammatory response. Furthermore, we utilized LDH as the transport vehicle of the osteoinductive miRNA let-7d to synergistically regulate BMSCs toward the osteoblastic lineage. The LDH/let-7d complex resulted in a better induction of osteogenesis than LDH alone. For cell transplantation, BMSCs were seeded in LDH/let-7d-incorporated fibrin scaffolds, which proved enhanced osteoinduction capability in the subcutaneous ectopic osteogenesis model in nude mice. Taken together, this study provides a novel strategy for effective and synergistic improvement of osteogenesis via LDH-mediated delivery of miRNA let-7d, thus shedding light on the future application of LDH in regenerative medicine.
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Affiliation(s)
- Li Yang
- Research Center for Translational Medicine at East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
- Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiaolie He
- Research Center for Translational Medicine at East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - Guoxin Jing
- Research Center for Translational Medicine at East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - Hong Wang
- Research Center for Translational Medicine at East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - Jintong Niu
- Research Center for Translational Medicine at East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - Yechang Qian
- Department of Respiratory Disease, Baoshan District Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai 201900, China
| | - Shilong Wang
- Research Center for Translational Medicine at East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
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Rosero Salazar DH, van Rheden REM, van Hulzen M, Carvajal Monroy PL, Wagener FADTG, Von den Hoff JW. Fibrin with Laminin-Nidogen Reduces Fibrosis and Improves Soft Palate Regeneration Following Palatal Injury. Biomolecules 2021; 11:1547. [PMID: 34680180 PMCID: PMC8533998 DOI: 10.3390/biom11101547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 10/06/2021] [Accepted: 10/14/2021] [Indexed: 11/23/2022] Open
Abstract
This study aimed to analyze the effects of fibrin constructs enhanced with laminin-nidogen, implanted in the wounded rat soft palate. Fibrin constructs with and without laminin-nidogen were implanted in 1 mm excisional wounds in the soft palate of 9-week-old rats and compared with the wounded soft palate without implantation. Collagen deposition and myofiber formation were analyzed at days 3, 7, 28 and 56 after wounding by histochemistry. In addition, immune staining was performed for a-smooth muscle actin (a-SMA), myosin heavy chain (MyHC) and paired homeobox protein 7 (Pax7). At day 56, collagen areas were smaller in both implant groups (31.25 ± 7.73% fibrin only and 21.11 ± 6.06% fibrin with laminin-nidogen)) compared to the empty wounds (38.25 ± 8.89%, p < 0.05). Moreover, the collagen area in the fibrin with laminin-nidogen group was smaller than in the fibrin only group (p ˂ 0.05). The areas of myofiber formation in the fibrin only group (31.77 ± 10.81%) and fibrin with laminin-nidogen group (43.13 ± 10.39%) were larger than in the empty wounds (28.10 ± 11.68%, p ˂ 0.05). Fibrin-based constructs with laminin-nidogen reduce fibrosis and improve muscle regeneration in the wounded soft palate. This is a promising strategy to enhance cleft soft palate repair and other severe muscle injuries.
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Affiliation(s)
- Doris H. Rosero Salazar
- Department of Dentistry, Orthodontics and Craniofacial Biology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Centre, 6525EX Nijmegen, The Netherlands; (D.H.R.S.); (R.E.M.v.R.); (F.A.D.T.G.W.)
- Department of Medical Basic Sciences, Faculty of Health, Universidad Icesi, Cali 760008, Colombia
| | - René E. M. van Rheden
- Department of Dentistry, Orthodontics and Craniofacial Biology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Centre, 6525EX Nijmegen, The Netherlands; (D.H.R.S.); (R.E.M.v.R.); (F.A.D.T.G.W.)
| | - Manon van Hulzen
- Central Facility for Research with Laboratory Animals (CDL), Radboud University Medical Centre, 6525EZ Nijmegen, The Netherlands;
| | - Paola L. Carvajal Monroy
- Department of Oral and Maxillofacial Surgery, Special Dental Care and Orthodontics, Erasmus Medical Center, 3015GD Rotterdam, The Netherlands;
| | - Frank A. D. T. G. Wagener
- Department of Dentistry, Orthodontics and Craniofacial Biology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Centre, 6525EX Nijmegen, The Netherlands; (D.H.R.S.); (R.E.M.v.R.); (F.A.D.T.G.W.)
| | - Johannes W. Von den Hoff
- Department of Dentistry, Orthodontics and Craniofacial Biology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Centre, 6525EX Nijmegen, The Netherlands; (D.H.R.S.); (R.E.M.v.R.); (F.A.D.T.G.W.)
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Montero A, Quílez C, Valencia L, Girón P, Jorcano JL, Velasco D. Effect of Fibrin Concentration on the In Vitro Production of Dermo-Epidermal Equivalents. Int J Mol Sci 2021; 22:ijms22136746. [PMID: 34201667 PMCID: PMC8269027 DOI: 10.3390/ijms22136746] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 06/10/2021] [Accepted: 06/17/2021] [Indexed: 01/18/2023] Open
Abstract
Human plasma-derived bilayered skin substitutes were successfully used by our group to produce human-based in vitro skin models for toxicity, cosmetic, and pharmaceutical testing. However, mechanical weakness, which causes the plasma-derived fibrin matrices to contract significantly, led us to attempt to improve their stability. In this work, we studied whether an increase in fibrin concentration from 1.2 to 2.4 mg/mL (which is the useful fibrinogen concentration range that can be obtained from plasma) improves the matrix and, hence, the performance of the in vitro skin cultures. The results show that this increase in fibrin concentration indeed affected the mechanical properties by doubling the elastic moduli and the maximum load. A structural analysis indicated a decreased porosity for the 2.4 mg/mL hydrogels, which can help explain this mechanical behavior. The contraction was clearly reduced for the 2.4 mg/mL matrices, which also allowed for the growth and proliferation of primary fibroblasts and keratinocytes, although at a somewhat reduced rate compared to the 1.2 mg/mL gels. Finally, both concentrations of fibrin gave rise to organotypic skin cultures with a fully differentiated epidermis, although their lifespans were longer (25–35%) in cultures with more concentrated matrices, which improves their usefulness. These systems will allow the generation of much better in vitro skin models for the testing of drugs, cosmetics and chemicals, or even to “personalized” skin for the diagnosis or determination of the most effective treatment possible.
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Affiliation(s)
- Andrés Montero
- Department of Bioengineering and Aerospace Engineering, Universidad Carlos III de Madrid (UC3M), 28903 Madrid, Spain; (A.M.); (C.Q.); (L.V.); (P.G.)
| | - Cristina Quílez
- Department of Bioengineering and Aerospace Engineering, Universidad Carlos III de Madrid (UC3M), 28903 Madrid, Spain; (A.M.); (C.Q.); (L.V.); (P.G.)
| | - Leticia Valencia
- Department of Bioengineering and Aerospace Engineering, Universidad Carlos III de Madrid (UC3M), 28903 Madrid, Spain; (A.M.); (C.Q.); (L.V.); (P.G.)
| | - Paula Girón
- Department of Bioengineering and Aerospace Engineering, Universidad Carlos III de Madrid (UC3M), 28903 Madrid, Spain; (A.M.); (C.Q.); (L.V.); (P.G.)
| | - José Luis Jorcano
- Department of Bioengineering and Aerospace Engineering, Universidad Carlos III de Madrid (UC3M), 28903 Madrid, Spain; (A.M.); (C.Q.); (L.V.); (P.G.)
- Instituto de Investigación Sanitaria Gregorio Marañón, 28007 Madrid, Spain
- Correspondence: (J.L.J.); (D.V.)
| | - Diego Velasco
- Department of Bioengineering and Aerospace Engineering, Universidad Carlos III de Madrid (UC3M), 28903 Madrid, Spain; (A.M.); (C.Q.); (L.V.); (P.G.)
- Instituto de Investigación Sanitaria Gregorio Marañón, 28007 Madrid, Spain
- Correspondence: (J.L.J.); (D.V.)
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Rogers JD, Holmes JW, Saucerman JJ, Richardson WJ. Mechano-chemo signaling interactions modulate matrix production by cardiac fibroblasts. Matrix Biol Plus 2021; 10:100055. [PMID: 34195592 PMCID: PMC8233457 DOI: 10.1016/j.mbplus.2020.100055] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Revised: 11/23/2020] [Accepted: 11/23/2020] [Indexed: 01/20/2023] Open
Abstract
Extracellular matrix remodeling after myocardial infarction occurs in a dynamic environment in which local mechanical stresses and biochemical signaling species stimulate the accumulation of collagen-rich scar tissue. It is well-known that cardiac fibroblasts regulate post-infarction matrix turnover by secreting matrix proteins, proteases, and protease inhibitors in response to both biochemical stimuli and mechanical stretch, but how these stimuli act together to dictate cellular responses is still unclear. We developed a screen of cardiac fibroblast-secreted proteins in response to combinations of biochemical agonists and cyclic uniaxial stretch in order to elucidate the relationships between stretch, biochemical signaling, and cardiac matrix turnover. We found that stretch significantly synergized with biochemical agonists to inhibit the secretion of matrix metalloproteinases, with stretch either amplifying protease suppression by individual agonists or antagonizing agonist-driven upregulation of protease expression. Stretch also modulated fibroblast sensitivity towards biochemical agonists by either sensitizing cells towards agonists that suppress protease secretion or de-sensitizing cells towards agonists that upregulate protease secretion. These findings suggest that the mechanical environment can significantly alter fibrosis-related signaling in cardiac fibroblasts, suggesting caution when extrapolating in vitro data to predict effects of fibrosis-related cytokines in situations like myocardial infarction where mechanical stretch occurs.
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Affiliation(s)
- Jesse D. Rogers
- Department of Bioengineering, Clemson University, Clemson, SC, USA
| | - Jeffrey W. Holmes
- Departments of Biomedical Engineering, Medicine/Cardiovascular Disease, and Surgery/Cardiothoracic Surgery, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Jeffrey J. Saucerman
- Department of Biomedical Engineering and Robert M. Berne Cardiovascular Research Center, University of Virginia, Charlottesville, VA, USA
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Mishan MA, Balagholi S, Chamani T, Feizi S, Soheili ZS, Rezaei Kanavi M. Potential of a novel scaffold composed of human platelet lysate and fibrin for human corneal endothelial cells. Cell Tissue Bank 2021; 23:171-183. [PMID: 33939123 DOI: 10.1007/s10561-021-09931-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 03/08/2021] [Indexed: 12/13/2022]
Abstract
Cell-based therapies have been emerged to find innovative solutions for corneal endothelial dysfunction. The aim of this study is to investigate the suitability of a blended scaffold containing human platelet lysate (HPL) and fibrin not only for cultivating human corneal endothelial cells (HCECs) but also for serving as a scaffold for the respected cells. We isolated HCECs from human donors and encapsulated the cells with three concentrations of HPL/Fibrin scaffold, namely HPL/Fibrin 1, HPL/Fibrin 2 and HPL/Fibrin 3, by adding 28.9, 57.8 and 86.7 mg/dl of fibrinogen to HPL to obtain a final percentage of 10, 20 and 30 % of fibrinogen, respectively. SEM imaging and swelling test were done to characterize the scaffolds. Cell viability assay and cell counting were performed on the cells. HCECs were characterized by morphology and immunocytochemistry. SEM imaging on freeze-dried scaffolds showed higher porosity of HPL/Fibrin 1 and HPL/Fibrin 2 than HPL/Fibrin 3, but larger pores were observed only in HPL/Fibrin 1. Cellular attachment and morphology on HPL/Fibrin 1 were appropriate by SEM imaging. A higher swelling rate was observed in HPL/Fibrin 1. After 3 and 5 days, higher numbers of cells were observed specifically in HPL/Fibrin 1. A higher expression of Na+/K+-ATPase, ZO-1 and vimentin proteins was detected in the HPL/Fibrin 1-cultured HCECs as compared with control (no scaffold). HPL/Fibrin can be used as a suitable scaffold for HCECs while preserving the cells viability. Further investigations are necessitated to approve the beneficial effects of the suggested scaffold for delivering and transplantation of cultivated HCECs into the anterior chamber of the eye.
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Affiliation(s)
- Mohammad Amir Mishan
- Ocular Tissue Engineering Research Center, Research Institute for Ophthalmology and Vision Science, Shahid Beheshti University of Medical Sciences, No.23, Paidarfard Street, Boostan 9 Street, Pasdaran Avenue, 1666673111, Tehran, Iran
| | - Sahar Balagholi
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
| | | | - Sepehr Feizi
- Ophthalmic Research Center, Research Institute for Ophthalmology and Vision Science, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Mozhgan Rezaei Kanavi
- Ocular Tissue Engineering Research Center, Research Institute for Ophthalmology and Vision Science, Shahid Beheshti University of Medical Sciences, No.23, Paidarfard Street, Boostan 9 Street, Pasdaran Avenue, 1666673111, Tehran, Iran.
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Chen J, Todorov P, Isachenko E, Rahimi G, Mallmann P, Isachenko V. Construction and cryopreservation of an artificial ovary in cancer patients as an element of cancer therapy and a promising approach to fertility restoration. HUM FERTIL 2021; 25:651-661. [PMID: 33648431 DOI: 10.1080/14647273.2021.1885756] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The proportion of cancer patients that survive is increasing because of improvements in cancer therapy. However, some cancer treatments, such as chemo- and radio-therapies, can cause considerable damage to reproductive function. The issue of fertility is paramount for women of childbearing age once they are cured from cancer. For those patients with prepubertal or haematogenous cancer, the possibilities of conventional fertility treatments, such as oocyte or embryo cryopreservation and transplantation, are limited. Moreover, ovarian tissue cryopreservation as an alternative to fertility preservation has limitations, with a risk of re-implanting malignant cells in patients who have recovered from potentially fatal malignant disease. One possible way to restore fertility in these patients is to mimic artificially the function of the natural organ, the ovary, by grafting isolated follicles embedded in a biological scaffold to their native environment. Construction and cryopreservation of an artificial ovary might offer a safer alternative option to restore fertility for those who cannot benefit from traditional fertility preservation techniques. This review considers the protocols for constructing an artificial ovary, summarises advances in the field with potential clinical application, and discusses future trends for cryopreservation of these artificial constructions.
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Affiliation(s)
- Jing Chen
- University Maternal Hospital, Research Group for Reproductive Medicine and IVF-Laboratory, Department of Obstetrics and Gynaecology, Cologne University, Cologne, Germany
| | - Plamen Todorov
- Institute of Biology and Immunology of Reproduction, Sofia, Bulgaria
| | - Evgenia Isachenko
- University Maternal Hospital, Research Group for Reproductive Medicine and IVF-Laboratory, Department of Obstetrics and Gynaecology, Cologne University, Cologne, Germany
| | - Gohar Rahimi
- University Maternal Hospital, Research Group for Reproductive Medicine and IVF-Laboratory, Department of Obstetrics and Gynaecology, Cologne University, Cologne, Germany
| | - Peter Mallmann
- University Maternal Hospital, Research Group for Reproductive Medicine and IVF-Laboratory, Department of Obstetrics and Gynaecology, Cologne University, Cologne, Germany
| | - Vladimir Isachenko
- University Maternal Hospital, Research Group for Reproductive Medicine and IVF-Laboratory, Department of Obstetrics and Gynaecology, Cologne University, Cologne, Germany
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Berninger MT, Rodriguez-Gonzalez P, Schilling F, Haller B, Lichtenstein T, Imhoff AB, Rummeny EJ, Anton M, Vogt S, Henning TD. Bifunctional Labeling of Rabbit Mesenchymal Stem Cells for MR Imaging and Fluorescence Microscopy. Mol Imaging Biol 2021; 22:303-312. [PMID: 31209781 DOI: 10.1007/s11307-019-01385-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE Longitudinal imaging studies are important in the translational process of stem cell-based therapies. Small animal imaging models are widely available and practical but insufficiently depict important morphologic detail. In contrary, large animal models are logistically challenging and costly but offer greater imaging quality. In order to combine the advantages of both, we developed an intermediate-sized rabbit animal model for cartilage imaging studies. PROCEDURES Rabbit mesenchymal stem cells (rMSC) were isolated as primary cultures from the bone marrow of New Zealand white rabbits. rMSC were subsequentially transduced lentivirally with eGFP and magnetically labeled with the iron oxide ferucarbotran. eGFP expression was evaluated by flow cytometry and iron uptake was analyzed by isotope dilution mass spectrometry and Prussian blue staining. Fluorescence microscopy of eGFP-transduced rMSC was performed. Viability and induction of apoptosis were assessed by XTT and caspase-3/-7 measurements. The chondrogenic potential of labeled cells was quantified by glycosaminoglycan contents in TGF-β3 induced pellet cultures. Labeled and unlabeled cells underwent magnetic resonance imaging (MRI) at 1.5 T before and after differentiation using T1-, T2-, and T2*-weighted pulse sequences. Relaxation rates were calculated. rMSCs were implanted in fibrin clots in osteochondral defects of cadaveric rabbit knees and imaged by 7 T MRI. T2* maps were calculated. Statistical analyses were performed using multiple regression models. RESULTS Efficiency of lentiviral transduction was greater than 90 %. Fluorescence signal was dose dependent. Cellular iron uptake was significant for all concentrations (p < 0.05) and dose dependent (3.3-56.5 pg Fe/cell). Labeled rMSC showed a strong, dose-dependent contrast on all MR pulse sequences and a significant decrease in T2 and T2* relaxation rates. Compared with non-transduced or unlabeled controls, there were no adverse effects on cell viability, rate of apoptosis, or chondrogenic differentiation. MRI of labeled rMSCs in osteochondral defects showed a significant signal of the transplant with additional high-resolution anatomical information. CONCLUSIONS This intermediate-sized rabbit model and its bifunctional labeling technique allow for improved depiction of anatomic detail for noninvasive in vivo rMSC tracking with MRI and for immunohistological correlation by fluorescence microscopy.
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Affiliation(s)
- Markus T Berninger
- Department of Orthopaedic Sports Medicine, Klinikum rechts der Isar, Technische Universität München, Munich, Germany.
- Department of Trauma Surgery, BG Trauma Center Murnau, Prof.-Küntscher-Strasse 8, 82418, Murnau, Germany.
| | | | - Franz Schilling
- Department of Nuclear Medicine, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Bernhard Haller
- Institute for Medical Statistics and Epidemiology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | | | - Andreas B Imhoff
- Department of Orthopaedic Sports Medicine, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Ernst J Rummeny
- Department of Radiology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Martina Anton
- Institute for Experimental Oncology and Therapy Research, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Stephan Vogt
- Department of Orthopaedic Sports Medicine, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Tobias D Henning
- Section of Neuroradiology, Uniklinik Köln, Cologne, Germany
- Section of Neuroradiology, Krankenhaus der Barmherzigen Brüder, Trier, Germany
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Tang M, Rich JN, Chen S. Biomaterials and 3D Bioprinting Strategies to Model Glioblastoma and the Blood-Brain Barrier. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2004776. [PMID: 33326131 PMCID: PMC7854518 DOI: 10.1002/adma.202004776] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 09/06/2020] [Indexed: 05/13/2023]
Abstract
Glioblastoma (GBM) is the most prevalent and lethal adult primary central nervous system cancer. An immunosuppresive and highly heterogeneous tumor microenvironment, restricted delivery of chemotherapy or immunotherapy through the blood-brain barrier (BBB), together with the brain's unique biochemical and anatomical features result in its universal recurrence and poor prognosis. As conventional models fail to predict therapeutic efficacy in GBM, in vitro 3D models of GBM and BBB leveraging patient- or healthy-individual-derived cells and biomaterials through 3D bioprinting technologies potentially mimic essential physiological and pathological features of GBM and BBB. 3D-bioprinted constructs enable investigation of cellular and cell-extracellular matrix interactions in a species-matched, high-throughput, and reproducible manner, serving as screening or drug delivery platforms. Here, an overview of current 3D-bioprinted GBM and BBB models is provided, elaborating on the microenvironmental compositions of GBM and BBB, relevant biomaterials to mimic the native tissues, and bioprinting strategies to implement the model fabrication. Collectively, 3D-bioprinted GBM and BBB models are promising systems and biomimetic alternatives to traditional models for more reliable mechanistic studies and preclinical drug screenings that may eventually accelerate the drug development process for GBM.
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Affiliation(s)
- Min Tang
- Department of NanoEngineering, University of California San Diego, La Jolla, CA, 92093, USA
| | - Jeremy N. Rich
- Division of Regenerative Medicine, Department of Medicine, Department of Neurosciences, University of California San Diego, La Jolla, CA, 92093, USA
- Sanford Consortium for Regenerative Medicine, La Jolla, CA, 92093, USA
| | - Shaochen Chen
- Department of NanoEngineering, University of California San Diego, La Jolla, CA, 92093, USA
- Department of Bioengineering, Materials Science and Engineering Program, Chemical Engineering Program, University of California San Diego, La Jolla, CA, 92093, USA
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Troendle K, Rizzo L, Pichler R, Koch F, Itani A, Zengerle R, Lienkamp SS, Koltay P, Zimmermann S. Scalable fabrication of renal spheroids and nephron-like tubules by bioprinting and controlled self-assembly of epithelial cells. Biofabrication 2021; 13. [PMID: 33513594 DOI: 10.1088/1758-5090/abe185] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Accepted: 01/29/2021] [Indexed: 12/11/2022]
Abstract
Scalable fabrication concepts of 3D kidney tissue models are required to enable their application in pharmaceutical high-throughput screenings. Yet the reconstruction of complex tissue structures remains technologically challenging. We present a novel concept reducing the fabrication demands, by using controlled cellular self-assembly to achieve higher tissue complexities from significantly simplified construct designs. We used drop-on-demand bioprinting to fabricate locally confined patterns of renal epithelial cells embedded in a hydrogel matrix. These patterns provide defined local cell densities (cell count variance < 11 %) with high viability (92 ± 2 %). Based on these patterns, controlled self-assembly leads to the formation of renal spheroids and nephron-like tubules with a predefined size and spatial localization. With this, we fabricated scalable arrays of hollow epithelial spheroids. The spheroid sizes correlated with the initial cell count per unit and could be stepwise adjusted, ranging from Ø = 84, 104, 120 to 131 µm in diameter (size variance < 9 %). Furthermore, we fabricated scalable line-shaped patterns, which self-assembled to hollow cellular tubules (Ø = 105 ± 22 µm). These showed a continuous lumen with prescribed orientation, lined by an epithelial monolayer with tight junctions. Additionally, upregulated expression of kidney-specific functional genes compared to 2D cell monolayers indicated increased tissue functionality, as revealed by mRNA sequencing. Furthermore, our concept enabled the fabrication of hybrid tubules, which consisted of arranged subsections of different cell types, combining murine and human epithelial cells. Finally, we integrated the self-assembled fabrication into a microfluidic chip and achieved fluidic access to the lumen at the terminal sites of the tubules. With this, we realized flow conditions with a wall shear stress of 0.05 ± 0.02 dyne/cm² driven by hydrostatic pressure for scalable dynamic culture towards a nephron-on-chip model.
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Affiliation(s)
- Kevin Troendle
- Department of Microsystems Engineering, Albert-Ludwigs-Universitat Freiburg, Fahnenbergplatz, Freiburg im Breisgau, 79085, GERMANY
| | - Ludovica Rizzo
- Institute of Anatomy and Zurich Center for Integrative Human Physiology (ZIHP), University of Zurich, Rämistrasse 71, Zurich, ZH, 8006, SWITZERLAND
| | - Roman Pichler
- Department of Nephrology, Universitätsklinikum Freiburg, Hugstetter Str. 55, Freiburg, 79106, GERMANY
| | - Fritz Koch
- Department of Microsystems Engineering, Albert-Ludwigs-Universitat Freiburg, Fahnenbergplatz, Freiburg im Breisgau, 79085, GERMANY
| | - Ahmad Itani
- Department of Microsystems Engineering, Albert-Ludwigs-Universitat Freiburg, Fahnenbergplatz, Freiburg im Breisgau, 79085, GERMANY
| | - Roland Zengerle
- Department of Microsystems Engineering, Albert-Ludwigs-Universitat Freiburg, Fahnenbergplatz, Freiburg im Breisgau, 79085, GERMANY
| | - Soeren S Lienkamp
- Institute of Anatomy and Zurich Center for Integrative Human Physiology (ZIHP), University of Zurich, Rämistrasse 71, Zurich, ZH, 8006, SWITZERLAND
| | - Peter Koltay
- Department of Microsystems Engineering, Albert-Ludwigs-Universitat Freiburg, Fahnenbergplatz, Freiburg im Breisgau, 79085, GERMANY
| | - Stefan Zimmermann
- Department of Microsystems Engineering, Albert-Ludwigs-Universitat Freiburg, Fahnenbergplatz, Freiburg im Breisgau, 79085, GERMANY
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Liu J, Zheng H, Dai X, Poh PSP, Machens HG, Schilling AF. Transparent PDMS Bioreactors for the Fabrication and Analysis of Multi-Layer Pre-vascularized Hydrogels Under Continuous Perfusion. Front Bioeng Biotechnol 2020; 8:568934. [PMID: 33425863 PMCID: PMC7785876 DOI: 10.3389/fbioe.2020.568934] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Accepted: 11/17/2020] [Indexed: 12/17/2022] Open
Abstract
Tissue engineering in combination with stem cell technology has the potential to revolutionize human healthcare. It aims at the generation of artificial tissues that can mimic the original with complex functions for medical applications. However, even the best current designs are limited in size, if the transport of nutrients and oxygen to the cells and the removal of cellular metabolites waste is mainly dependent on passive diffusion. Incorporation of functional biomimetic vasculature within tissue engineered constructs can overcome this shortcoming. Here, we developed a novel strategy using 3D printing and injection molding technology to customize multilayer hydrogel constructs with pre-vascularized structures in transparent Polydimethysiloxane (PDMS) bioreactors. These bioreactors can be directly connected to continuous perfusion systems without complicated construct assembling. Mimicking natural layer-structures of vascular walls, multilayer vessel constructs were fabricated with cell-laden fibrin and collagen gels, respectively. The multilayer design allows functional organization of multiple cell types, i.e., mesenchymal stem cells (MSCs) in outer layer, human umbilical vein endothelial cells (HUVECs) the inner layer and smooth muscle cells in between MSCs and HUVECs layers. Multiplex layers with different cell types showed clear boundaries and growth along the hydrogel layers. This work demonstrates a rapid, cost-effective, and practical method to fabricate customized 3D-multilayer vascular models. It allows precise design of parameters like length, thickness, diameter of lumens and the whole vessel constructs resembling the natural tissue in detail without the need of sophisticated skills or equipment. The ready-to-use bioreactor with hydrogel constructs could be used for biomedical applications including pre-vascularization for transplantable engineered tissue or studies of vascular biology.
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Affiliation(s)
- Juan Liu
- Department of Plastic Surgery, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Clinic for Trauma Surgery, Orthopedics and Plastic Surgery, University Medical Center Göttingen, Göttingen, Germany
| | - Huaiyuan Zheng
- Department of Hand Surgery, Wuhan Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xinyi Dai
- Department of Plastic and Reconstructive Surgery, Shanghai 9th People's Hospital, Shanghai, China
| | - Patrina S P Poh
- Julius Wolff Institut, Charité - Universitätsmedizin, Berlin, Germany
| | - Hans-Günther Machens
- Department of Hand Surgery and Plastic Surgery, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - Arndt F Schilling
- Clinic for Trauma Surgery, Orthopedics and Plastic Surgery, University Medical Center Göttingen, Göttingen, Germany
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de Melo BA, Jodat YA, Cruz EM, Benincasa JC, Shin SR, Porcionatto MA. Strategies to use fibrinogen as bioink for 3D bioprinting fibrin-based soft and hard tissues. Acta Biomater 2020; 117:60-76. [PMID: 32949823 DOI: 10.1016/j.actbio.2020.09.024] [Citation(s) in RCA: 85] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 09/03/2020] [Accepted: 09/11/2020] [Indexed: 12/16/2022]
Abstract
Fibrin gel has been widely used for engineering various types of tissues due to its biocompatible nature, biodegradability, and tunable mechanical and nanofibrous structural properties. Despite their promising regenerative capacity and extensive biocompatibility with various tissue types, fibrin-based biomaterials are often notoriously known as burdensome candidates for 3D biofabrication and bioprinting. The high viscosity of fibrin (crosslinked form) hinders proper ink extrusion, and its pre-polymer form, fibrinogen, is not capable of maintaining shape fidelity. To overcome these limitations and empower fibrinogen-based bioinks for fibrin biomimetics and regenerative applications, different strategies can be practiced. The aim of this review is to report the strategies that bring fabrication compatibility to these bioinks through mixing fibrinogen with printable biomaterials, using supporting bath supplemented with crosslinking agents, and crosslinking fibrin in situ. Moreover, the review discusses some of the recent advances in 3D bioprinting of biomimetic soft and hard tissues using fibrinogen-based bioinks, and highlights the impacts of these strategies on fibrin properties, its bioactivity, and the functionality of the consequent biomimetic tissue. Statement of Significance Due to its biocompatible nature, biodegradability, and tunable mechanical and nanofibrous structural properties, fibrin gel has been widely employed in tissue engineering and more recently, used as in 3D bioprinting. The fibrinogen's poor printable properties make it difficult to maintain the 3D shape of bioprinted constructs. Our work describes the strategies employed in tissue engineering to allow the 3D bioprinting of fibrinogen-based bioinks, such as the combination of fibrinogen with printable biomaterials, the in situ fibrin crosslinking, and the use of supporting bath supplemented with crosslinking agents. Further, this review discuss the application of 3D bioprinting technology to biofabricate fibrin-based soft and hard tissues for biomedical applications, and discuss current limitations and future of such in vitro models.
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Lech W, Sarnowska A, Kuczynska Z, Dabrowski F, Figiel-Dabrowska A, Domanska-Janik K, Buzanska L, Zychowicz M. Biomimetic microenvironmental preconditioning enhance neuroprotective properties of human mesenchymal stem cells derived from Wharton's Jelly (WJ-MSCs). Sci Rep 2020; 10:16946. [PMID: 33037314 PMCID: PMC7547118 DOI: 10.1038/s41598-020-74066-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 09/25/2020] [Indexed: 02/06/2023] Open
Abstract
Tuning stem cells microenvironment in vitro may influence their regenerative properties. In this study Wharton's Jelly-derived mesenchymal stem cells (WJ-MSCs) were encapsulated in 3D hydrogels derived from human fibrin (FB) or platelet lysate (PL) and the oxygen level was adjusted to physiological normoxia (5% O2). The influence of the type of the scaffold and physiological normoxia conditions was tested on the WJ-MSCs' survivability, proliferation, migratory potential, the level of expression of selected trophic factors, cytokines, and neural markers. Encapsulated WJ-MSCs revealed high survivability, stable proliferation rate, and ability to migrate out of the hydrogel and the up-regulated expression of all tested factors, as well as the increased expression of neural differentiation markers. Physiological normoxia stimulated proliferation of encapsulated WJ-MSCs and significantly enhanced their neuronal, but not glial, differentiation. Ex vivo studies with indirect co-culture of organotypic hippocampal slices and cell-hydrogel bio-constructs revealed strong neuroprotective effect of WJ-MSCs against neuronal death in the CA1 region of the rat hippocampus. This effect was potentiated further by FB scaffolds under 5% O2 conditions. Our results indicating significant effect of oxygen and 3D cytoarchitecture suggest the urgent need for further optimization of the microenvironmental conditions to improve therapeutical competence of the WJ-MSCs population.
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Affiliation(s)
- Wioletta Lech
- Department of Stem Cell Bioengineering, Mossakowski Medical Research Centre, Polish Academy of Sciences, 5 Pawinskiego Street, 02-106, Warsaw, Poland
| | - Anna Sarnowska
- Department of Stem Cell Bioengineering, Mossakowski Medical Research Centre, Polish Academy of Sciences, 5 Pawinskiego Street, 02-106, Warsaw, Poland.,Translational Platform for Regenerative Medicine, Mossakowski Medical Research Centre, Polish Academy of Sciences, 5 Pawinskiego Street, 02-106, Warsaw, Poland
| | - Zuzanna Kuczynska
- Department of Stem Cell Bioengineering, Mossakowski Medical Research Centre, Polish Academy of Sciences, 5 Pawinskiego Street, 02-106, Warsaw, Poland
| | - Filip Dabrowski
- 1st Department of Obstetrics and Gynecology, Faculty of Medicine, Medical University of Warsaw, Starynkiewicza Square 1/3, 02-015, Warsaw, Poland
| | - Anna Figiel-Dabrowska
- Translational Platform for Regenerative Medicine, Mossakowski Medical Research Centre, Polish Academy of Sciences, 5 Pawinskiego Street, 02-106, Warsaw, Poland
| | - Krystyna Domanska-Janik
- Department of Stem Cell Bioengineering, Mossakowski Medical Research Centre, Polish Academy of Sciences, 5 Pawinskiego Street, 02-106, Warsaw, Poland
| | - Leonora Buzanska
- Department of Stem Cell Bioengineering, Mossakowski Medical Research Centre, Polish Academy of Sciences, 5 Pawinskiego Street, 02-106, Warsaw, Poland
| | - Marzena Zychowicz
- Department of Stem Cell Bioengineering, Mossakowski Medical Research Centre, Polish Academy of Sciences, 5 Pawinskiego Street, 02-106, Warsaw, Poland.
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