101
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Movilla N, Gonçalves IG, Borau C, García-Aznar JM. A novel integrated experimental and computational approach to unravel fibroblast motility in response to chemical gradients in 3D collagen matrices. Integr Biol (Camb) 2022; 14:212-227. [PMID: 36756930 DOI: 10.1093/intbio/zyad002] [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: 02/13/2022] [Revised: 01/06/2023] [Accepted: 01/07/2023] [Indexed: 02/10/2023]
Abstract
Fibroblasts play an essential role in tissue repair and regeneration as they migrate to wounded areas to secrete and remodel the extracellular matrix. Fibroblasts recognize chemical substances such as growth factors, which enhance their motility towards the wounded tissues through chemotaxis. Although several studies have characterized single-cell fibroblast motility before, the migration patterns of fibroblasts in response to external factors have not been fully explored in 3D environments. We present a study that combines experimental and computational efforts to characterize the effect of chemical stimuli on the invasion of 3D collagen matrices by fibroblasts. Experimentally, we used microfluidic devices to create chemical gradients using collagen matrices of distinct densities. We evaluated how cell migration patterns were affected by the presence of growth factors and the mechanical properties of the matrix. Based on these results, we present a discrete-based computational model to simulate cell motility, which we calibrated through the quantitative comparison of experimental and computational data via Bayesian optimization. By combining these approaches, we predict that fibroblasts respond to both the presence of chemical factors and their spatial location. Furthermore, our results show that the presence of these chemical gradients could be reproduced by our computational model through increases in the magnitude of cell-generated forces and enhanced cell directionality. Although these model predictions require further experimental validation, we propose that our framework can be applied as a tool that takes advantage of experimental data to guide the calibration of models and predict which mechanisms at the cellular level may justify the experimental findings. Consequently, these new insights may also guide the design of new experiments, tailored to validate the variables of interest identified by the model.
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Affiliation(s)
- Nieves Movilla
- Department of Mechanical Engineering, Multiscale in Mechanical and Biological Engineering, Aragon Institute of Engineering Research (I3A), University of Zaragoza, Zaragoza 50018, Spain
| | - Inês G Gonçalves
- Department of Mechanical Engineering, Multiscale in Mechanical and Biological Engineering, Aragon Institute of Engineering Research (I3A), University of Zaragoza, Zaragoza 50018, Spain
| | - Carlos Borau
- Department of Mechanical Engineering, Multiscale in Mechanical and Biological Engineering, Aragon Institute of Engineering Research (I3A), University of Zaragoza, Zaragoza 50018, Spain
| | - Jose Manuel García-Aznar
- Department of Mechanical Engineering, Multiscale in Mechanical and Biological Engineering, Aragon Institute of Engineering Research (I3A), University of Zaragoza, Zaragoza 50018, Spain
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102
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Shahhosseini M, Beshay PE, Akbari E, Roki N, Lucas CR, Avendano A, Song JW, Castro CE. Multiplexed Detection of Molecular Interactions with DNA Origami Engineered Cells in 3D Collagen Matrices. ACS APPLIED MATERIALS & INTERFACES 2022; 14:55307-55319. [PMID: 36509424 PMCID: PMC9785045 DOI: 10.1021/acsami.2c07971] [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] [Received: 05/12/2022] [Accepted: 09/29/2022] [Indexed: 06/17/2023]
Abstract
The interactions of cells with signaling molecules present in their local microenvironment maintain cell proliferation, differentiation, and spatial organization and mediate progression of diseases such as metabolic disorders and cancer. Real-time monitoring of the interactions between cells and their extracellular ligands in a three-dimensional (3D) microenvironment can inform detection and understanding of cell processes and the development of effective therapeutic agents. DNA origami technology allows for the design and fabrication of biocompatible and 3D functional nanodevices via molecular self-assembly for various applications including molecular sensing. Here, we report a robust method to monitor live cell interactions with molecules in their surrounding environment in a 3D tissue model using a microfluidic device. We used a DNA origami cell sensing platform (CSP) to detect two specific nucleic acid sequences on the membrane of B cells and dendritic cells. We further demonstrated real-time detection of biomolecules with the DNA sensing platform on the surface of dendritic cells in a 3D microfluidic tissue model. Our results establish the integration of live cells with membranes engineered with DNA nanodevices into microfluidic chips as a highly capable biosensor approach to investigate subcellular interactions in physiologically relevant 3D environments under controlled biomolecular transport.
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Affiliation(s)
- Melika Shahhosseini
- Department
of Mechanical and Aerospace Engineering, The Ohio State University, 201 West 19th Avenue, Columbus, Ohio 43210, United States
| | - Peter E. Beshay
- Department
of Mechanical and Aerospace Engineering, The Ohio State University, 201 West 19th Avenue, Columbus, Ohio 43210, United States
| | - Ehsan Akbari
- Biophysics
Graduate Program, The Ohio State University, Columbus, Ohio 43210, United States
| | - Niksa Roki
- Department
of Mechanical and Aerospace Engineering, The Ohio State University, 201 West 19th Avenue, Columbus, Ohio 43210, United States
- Comprehensive
Cancer Center, The Ohio State University, Columbus, Ohio 43210 United States
| | - Christopher R. Lucas
- Department
of Mechanical and Aerospace Engineering, The Ohio State University, 201 West 19th Avenue, Columbus, Ohio 43210, United States
- Comprehensive
Cancer Center, The Ohio State University, Columbus, Ohio 43210 United States
| | - Alex Avendano
- Department
of Biomedical Engineering, The Ohio State
University, Columbus, Ohio 43210, United States
| | - Jonathan W. Song
- Department
of Mechanical and Aerospace Engineering, The Ohio State University, 201 West 19th Avenue, Columbus, Ohio 43210, United States
- Comprehensive
Cancer Center, The Ohio State University, Columbus, Ohio 43210 United States
| | - Carlos E. Castro
- Department
of Mechanical and Aerospace Engineering, The Ohio State University, 201 West 19th Avenue, Columbus, Ohio 43210, United States
- Biophysics
Graduate Program, The Ohio State University, Columbus, Ohio 43210, United States
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103
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Liu Y, Wu P, Wang Y, Liu Y, Yang H, Zhou G, Wu X, Wen Q. Application of Precision-Cut Lung Slices as an In Vitro Model for Research of Inflammatory Respiratory Diseases. BIOENGINEERING (BASEL, SWITZERLAND) 2022; 9:bioengineering9120767. [PMID: 36550973 PMCID: PMC9774555 DOI: 10.3390/bioengineering9120767] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 11/30/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022]
Abstract
The leading cause of many respiratory diseases is an ongoing and progressive inflammatory response. Traditionally, inflammatory lung diseases were studied primarily through animal models, cell cultures, and organoids. These technologies have certain limitations, despite their great contributions to the study of respiratory diseases. Precision-cut lung slices (PCLS) are thin, uniform tissue slices made from human or animal lung tissue and are widely used extensively both nationally and internationally as an in vitro organotypic model. Human lung slices bridge the gap between in vivo and in vitro models, and they can replicate the living lung environment well while preserving the lungs' basic structures, such as their primitive cells and trachea. However, there is no perfect model that can completely replace the structure of the human lung, and there is still a long way to go in the research of lung slice technology. This review details and analyzes the strengths and weaknesses of precision lung slices as an in vitro model for exploring respiratory diseases associated with inflammation, as well as recent advances in this field.
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Affiliation(s)
- Yan Liu
- Anesthesiology Department, Dalian Medical University, Dalian 116041, China
| | - Ping Wu
- Department of Anesthesiology, The First Affiliated Hospital of Dalian Medical University, Dalian 116014, China
| | - Yin Wang
- Anesthesiology Department, Dalian Medical University, Dalian 116041, China
| | - Yansong Liu
- Anesthesiology Department, Dalian Medical University, Dalian 116041, China
| | - Hongfang Yang
- Department of Anesthesiology, Dalian University Affiliated Xinhua Hospital, Dalian 116021, China
| | | | - Xiaoqi Wu
- Department of Anesthesiology, The First Affiliated Hospital of Dalian Medical University, Dalian 116014, China
| | - Qingping Wen
- Department of Anesthesiology, The First Affiliated Hospital of Dalian Medical University, Dalian 116014, China
- Correspondence: ; Tel.: +86-180-9887-7988
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104
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Ortiz-Cárdenas JE, Zatorski JM, Arneja A, Montalbine AN, Munson JM, Luckey CJ, Pompano RR. Towards spatially-organized organs-on-chip: Photopatterning cell-laden thiol-ene and methacryloyl hydrogels in a microfluidic device. ORGANS-ON-A-CHIP 2022; 4:100018. [PMID: 35535262 PMCID: PMC9078144 DOI: 10.1016/j.ooc.2022.100018] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Micropatterning techniques for 3D cell cultures enable the recreation of tissue-level structures, but the combination of patterned hydrogels with organs-on-chip to generate organized 3D cultures under microfluidic perfusion remains challenging. To address this technological gap, we developed a user-friendly in-situ micropatterning protocol that integrates photolithography of crosslinkable, cell-laden hydrogels with a simple microfluidic housing, and tested the impact of crosslinking chemistry on stability and spatial resolution. Working with gelatin functionalized with photo-crosslinkable moieties, we found that inclusion of cells at high densities (≥ 107/mL) did not impede thiol-norbornene gelation, but decreased the storage moduli of methacryloyl hydrogels. Hydrogel composition and light dose were selected to match the storage moduli of soft tissues. To generate the desired pattern on-chip, the cell-laden precursor solution was flowed into a microfluidic chamber and exposed to 405 nm light through a photomask. The on-chip 3D cultures were self-standing and the designs were interchangeable by simply swapping out the photomask. Thiol-ene hydrogels yielded highly accurate feature sizes from 100 - 900 μm in diameter, whereas methacryloyl hydrogels yielded slightly enlarged features. Furthermore, only thiol-ene hydrogels were mechanically stable under perfusion overnight. Repeated patterning readily generated multi-region cultures, either separately or adjacent, including non-linear boundaries that are challenging to obtain on-chip. As a proof-of-principle, primary human T cells were patterned on-chip with high regional specificity. Viability remained high (> 85%) after 12-hr culture with constant perfusion. We envision that this technology will enable researchers to pattern 3D co-cultures to mimic organ-like structures that were previously difficult to obtain.
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Affiliation(s)
| | - Jonathan M. Zatorski
- Department of Chemistry, University of Virginia, PO BOX 400319, Charlottesville, VA, USA 22904
| | - Abhinav Arneja
- Department of Pathology, University of Virginia, Charlottesville, VA, USA 22904
| | - Alyssa N. Montalbine
- Department of Chemistry, University of Virginia, PO BOX 400319, Charlottesville, VA, USA 22904
| | - Jennifer M. Munson
- Department of Biomedical Engineering and Mechanics, Fralin Biomedical Research Institute at Virginia Tech-Carilion, Virginia Polytechnic Institute and State University, Roanoke, VA, USA
| | - Chance John Luckey
- Department of Pathology, University of Virginia, Charlottesville, VA, USA 22904
| | - Rebecca R. Pompano
- Department of Chemistry, University of Virginia, PO BOX 400319, Charlottesville, VA, USA 22904
- Department of Chemistry, Carter Immunology Center, University of Virginia, PO BOX 400319, Charlottesville, VA, USA 22904
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105
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Armstrong JPK, Pchelintseva E, Treumuth S, Campanella C, Meinert C, Klein TJ, Hutmacher DW, Drinkwater BW, Stevens MM. Tissue Engineering Cartilage with Deep Zone Cytoarchitecture by High-Resolution Acoustic Cell Patterning. Adv Healthc Mater 2022; 11:e2200481. [PMID: 35815530 PMCID: PMC7614068 DOI: 10.1002/adhm.202200481] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 06/10/2022] [Indexed: 01/28/2023]
Abstract
The ultimate objective of tissue engineering is to fabricate artificial living constructs with a structural organization and function that faithfully resembles their native tissue counterparts. For example, the deep zone of articular cartilage possesses a distinctive anisotropic architecture with chondrocytes organized in aligned arrays ≈1-2 cells wide, features that are oriented parallel to surrounding extracellular matrix fibers and orthogonal to the underlying subchondral bone. Although there are major advances in fabricating custom tissue architectures, it remains a significant technical challenge to precisely recreate such fine cellular features in vitro. Here, it is shown that ultrasound standing waves can be used to remotely organize living chondrocytes into high-resolution anisotropic arrays, distributed throughout the full volume of agarose hydrogels. It is demonstrated that this cytoarchitecture is maintained throughout a five-week course of in vitro tissue engineering, producing hyaline cartilage with cellular and extracellular matrix organization analogous to the deep zone of native articular cartilage. It is anticipated that this acoustic cell patterning method will provide unprecedented opportunities to interrogate in vitro the contribution of chondrocyte organization to the development of aligned extracellular matrix fibers, and ultimately, the design of new mechanically anisotropic tissue grafts for articular cartilage regeneration.
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Affiliation(s)
- James P. K. Armstrong
- Department of Translational Health SciencesUniversity of BristolBristolBS1 3NYUK
- Department of MaterialsDepartment of Bioengineeringand Institute of Biomedical EngineeringImperial College LondonLondonSW7 2AZUK
| | - Ekaterina Pchelintseva
- Department of MaterialsDepartment of Bioengineeringand Institute of Biomedical EngineeringImperial College LondonLondonSW7 2AZUK
| | - Sirli Treumuth
- Department of MaterialsDepartment of Bioengineeringand Institute of Biomedical EngineeringImperial College LondonLondonSW7 2AZUK
| | - Cristiana Campanella
- Department of MaterialsDepartment of Bioengineeringand Institute of Biomedical EngineeringImperial College LondonLondonSW7 2AZUK
| | - Christoph Meinert
- Centre for Biomedical TechnologiesQueensland University of TechnologyBrisbaneQueensland4059Australia
- Australian Research Council Training Centre in Additive BiomanufacturingQueensland University of TechnologyBrisbaneQueensland4059Australia
| | - Travis J. Klein
- Centre for Biomedical TechnologiesQueensland University of TechnologyBrisbaneQueensland4059Australia
- Australian Research Council Training Centre in Additive BiomanufacturingQueensland University of TechnologyBrisbaneQueensland4059Australia
| | - Dietmar W. Hutmacher
- Australian Research Council (ARC) Training Centre for Multiscale 3D ImagingModelling and Manufacturing (M3D Innovation)Queensland University of TechnologyBrisbaneQueensland4000Australia
- ARC Training Centre for Cell and Tissue Engineering TechnologiesQueensland University of Technology (QUT)BrisbaneQueensland4000Australia
- Max Planck Queensland Center for the Materials Science of Extracellular MatricesQueensland University of TechnologyBrisbaneQueensland4000Australia
| | | | - Molly M. Stevens
- Department of MaterialsDepartment of Bioengineeringand Institute of Biomedical EngineeringImperial College LondonLondonSW7 2AZUK
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106
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Xie Y, Kollampally SCR, Jorgensen M, Zhang X. Alginate microfibers as therapeutic delivery scaffolds and tissue mimics. Exp Biol Med (Maywood) 2022; 247:2103-2118. [PMID: 36000165 PMCID: PMC9837301 DOI: 10.1177/15353702221112905] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
Alginate, a naturally occurring polysaccharide, has been widely used in cell encapsulation, 3D culture, cell therapy, tissue engineering, and regenerative medicine. Alginate's frequent use comes from its biocompatibility and ability to easily form hydrogel in a variety of forms (e.g. microcapsules, microfibers, and porous scaffolds), which can provide immunoprotection for cell therapy and mimic the extracellular matrix for tissue engineering. During the past 15 years, alginate hydrogel microfibers have attracted more and more attention due to its continuous thin tubular structures (diameter or shell thickness ⩽ 200 µm), high-density cell growth, high handleability and retrievability, and scalability. This review article provides a concise overview of alginate and its resultant hydrogel microfibers for the purpose of promoting multidisciplinary, collaborative, and convergent research in the field. It starts with a historical review of alginate as biomaterials and provides basics about alginate structure, properties, and mechanisms of hydrogel formation, followed by current challenges in effective cell delivery and functional tissue engineering. In particular, this work discusses how alginate microfiber technology could provide solutions to unmet needs with a focus on the current state of the art of alginate microfiber technology and its applications in 3D cell culture, cell delivery, and tissue engineering. At last, we discuss future directions in the perspective of alginate-based advanced technology development in biology and medicine.
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Affiliation(s)
- Yubing Xie
- College of Nanoscale Science and Engineering, SUNY Polytechnic Institute, Albany, NY 12203, USA
| | | | - Matthew Jorgensen
- College of Nanoscale Science and Engineering, SUNY Polytechnic Institute, Albany, NY 12203, USA
| | - Xulang Zhang
- College of Nanoscale Science and Engineering, SUNY Polytechnic Institute, Albany, NY 12203, USA
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107
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Lewis SM, Callaway MK, dos Santos CO. Clinical applications of 3D normal and breast cancer organoids: A review of concepts and methods. Exp Biol Med (Maywood) 2022; 247:2176-2183. [PMID: 36408534 PMCID: PMC9899987 DOI: 10.1177/15353702221131877] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
While mouse models and two-dimensional (2D) cell culture systems have dominated as research tools for cancer biology, three-dimensional (3D) cultures have gained traction as a new approach that retains features of in vivo biology within an in vitro system. Over time, 3D culture systems have evolved from spheroids and tumorspheres to organoids, and by doing so, they have become more complex and representative of original tissue. Such technological improvements have mostly benefited the study of heterogeneous solid tumors, like those found in breast cancer (BC), by providing an attractive avenue for scalable drug testing and biobank generation. Experimentally, organoids have been used in the BC field to dissect mechanisms related to cellular invasion and metastasis-and through co-culture methods-epithelial interactions with stromal and immune cells. In addition, organoid studies of wild-type mouse models and healthy donor samples have provided insight into the basic developmental cellular and molecular biology of the mammary gland, which may inform one's understanding of the initial stages of cancer development and progression.
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Affiliation(s)
- Steven M Lewis
- Cold Spring Harbor Laboratory, Cold
Spring Harbor, NY 11724, USA,Graduate Program in Genetics, Stony
Brook University, Stony Brook, NY 11794, USA
| | | | - Camila O dos Santos
- Cold Spring Harbor Laboratory, Cold
Spring Harbor, NY 11724, USA,Camila O dos Santos.
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108
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HyClear: A Novel Tissue Clearing Solution for One-Step Clearing of Microtissues. Cells 2022; 11:cells11233854. [PMID: 36497111 PMCID: PMC9738288 DOI: 10.3390/cells11233854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 11/21/2022] [Accepted: 11/25/2022] [Indexed: 12/02/2022] Open
Abstract
3-D cell cultures are being increasingly used as in vitro models are capable of better mimicry of in vivo tissues, particularly in drug screenings where mass transfer limitations can affect the cancer biology and response to drugs. Three-dimensional microscopy techniques, such as confocal and multiphoton microscopy, have been used to elucidate data from 3-D cell cultures and whole organs, but their reach inside the 3-D tissues is restrained by the light scattering of the tissues, limiting their effective reach to 100-200 µm, which is simply not enough. Tissue clearing protocols, developed mostly for larger specimens usually involve multiple steps of viscous liquid submersion, and are not easily adaptable for much smaller spheroids and organoids. In this work, we have developed a novel tissue clearing solution tailored for small spheroids and organoids. Our tissue clearing protocol, called HyClear, uses a mixture of DMSO, HPG and urea to allow for one-step tissue clearing of spheroids and organoids, and is compatible with high-throughput screening studies due to its speed and simplicity. We have shown that our tissue clearing agent is superior to many of the commonly used tissue clearing agents and allows for elucidating better quality data from drug screening experiments.
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109
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Zahn I, Garreis F, Schicht M, Rötzer V, Waschke J, Liu Y, Altersberger VL, Paulsen F, Dietrich J. A New Organotypic 3D Slice Culture of Mouse Meibomian Glands Reveals Impact of Melanocortins. Int J Mol Sci 2022; 23:ijms232314947. [PMID: 36499274 PMCID: PMC9737810 DOI: 10.3390/ijms232314947] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 11/20/2022] [Accepted: 11/24/2022] [Indexed: 12/05/2022] Open
Abstract
The meibomian glands (MGs) within the eyelids produce a lipid-rich secretion that forms the superficial layer of the tear film. Meibomian gland dysfunction (MGD) results in excessive evaporation of the tear film, which is the leading cause of dry eye disease (DED). To develop a research model similar to the physiological situation of MGs, we established a new 3D organotypic slice culture (OSC) of mouse MGs (mMGs) and investigated the effects of melanocortins on exocrine secretion. Tissue viability, lipid production and morphological changes were analyzed during a 21-day cultivation period. Subsequently, the effects on lipid production and gene expression were examined after stimulation with a melanocortin receptor (MCR) agonist, α-melanocyte-stimulating hormone (α-MSH), and/or an MCR antagonist, JNJ-10229570. The cultivation of mMGs OSCs was possible without impairment for at least seven days. Stimulation with the MCR agonists induced lipid production in a dose-dependent manner, whereas this effect was tapered with the simultaneous incubation of the MCR antagonist. The new 3D OSC model is a promising approach to study the (patho-) physiological properties of MG/MGD while reducing animal studies. Therefore, it may accelerate the search for new treatments for MGD/DED and lead to new insights, such as that melanocortins likely stimulate meibum production.
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Affiliation(s)
- Ingrid Zahn
- Institute of Functional and Clinical Anatomy, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91054 Erlangen, Germany
- Correspondence: (I.Z.); (F.P.); Tel.: +49-9131-85-26734 (I.Z.); +49-9131-85-22865 (F.P.)
| | - Fabian Garreis
- Institute of Functional and Clinical Anatomy, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Martin Schicht
- Institute of Functional and Clinical Anatomy, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Vera Rötzer
- Department of Anatomy, Ludwig-Maximilians-Universität, 80336 Munich, Germany
| | - Jens Waschke
- Department of Anatomy, Ludwig-Maximilians-Universität, 80336 Munich, Germany
| | - Yuqiuhe Liu
- Institute of Functional and Clinical Anatomy, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Valerian L. Altersberger
- Institute of Functional and Clinical Anatomy, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91054 Erlangen, Germany
- Department of Anatomy, Ludwig-Maximilians-Universität, 80336 Munich, Germany
| | - Friedrich Paulsen
- Institute of Functional and Clinical Anatomy, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91054 Erlangen, Germany
- Correspondence: (I.Z.); (F.P.); Tel.: +49-9131-85-26734 (I.Z.); +49-9131-85-22865 (F.P.)
| | - Jana Dietrich
- Institute of Functional and Clinical Anatomy, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91054 Erlangen, Germany
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110
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Vascularization of Poly-ε-Caprolactone-Collagen I-Nanofibers with or without Sacrificial Fibers in the Neurotized Arteriovenous Loop Model. Cells 2022; 11:cells11233774. [PMID: 36497034 PMCID: PMC9736129 DOI: 10.3390/cells11233774] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 11/18/2022] [Accepted: 11/22/2022] [Indexed: 11/29/2022] Open
Abstract
Electrospun nanofibers represent an ideal matrix for the purpose of skeletal muscle tissue engineering due to their highly aligned structure in the nanoscale, mimicking the extracellular matrix of skeletal muscle. However, they often consist of high-density packed fibers, which might impair vascularization. The integration of polyethylene oxide (PEO) sacrificial fibers, which dissolve in water, enables the creation of less dense structures. This study examines potential benefits of poly-ε-caprolactone-collagen I-PEO-nanoscaffolds (PCP) in terms of neovascularization and distribution of newly formed vessels compared to poly-ε-caprolactone -collagen I-nanoscaffolds (PC) in a modified arteriovenous loop model in the rat. For this purpose, the superficial inferior epigastric artery and vein as well as a motor nerve branch were integrated into a multilayer three-dimensional nanofiber scaffold construct, which was enclosed by an isolation chamber. Numbers and spatial distribution of sprouting vessels as well as macrophages were analyzed via immunohistochemistry after two and four weeks of implantation. After four weeks, aligned PC showed a higher number of newly formed vessels, regardless of the compartments formed in PCP by the removal of sacrificial fibers. Both groups showed cell influx and no difference in macrophage invasion. In this study, a model of combined axial vascularization and neurotization of a PCL-collagen I-nanofiber construct could be established for the first time. These results provide a foundation for the in vivo implantation of cells, taking a major step towards the generation of functional skeletal muscle tissue.
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111
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Schmitz C, Pepelanova I, Ude C, Lavrentieva A. Studies on oxygen availability and the creation of natural and artificial oxygen gradients in gelatin-methacryloyl hydrogel 3D cell culture. J Tissue Eng Regen Med 2022; 16:977-986. [PMID: 35962761 DOI: 10.1002/term.3344] [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: 02/15/2022] [Revised: 06/19/2022] [Accepted: 07/26/2022] [Indexed: 12/15/2022]
Abstract
Three-dimensional (3D) cultivation platforms allow the creation of cell models, which more closely resemble in vivo-like cell behavior. Therefore, 3D cell culture platforms have started to replace conventional two-dimensional (2D) cultivation techniques in many fields. Besides the advantages of 3D culture, there are also some challenges: cultivation in 3D often results in an inhomogeneous microenvironment and therefore unique cultivation conditions for each cell inside the construct. As a result, the analysis and precise control over the singular cell state is limited in 3D. In this work, we address these challenges by exploring ways to monitor oxygen concentrations in gelatin methacryloyl (GelMA) 3D hydrogel culture at the cellular level using hypoxia reporter cells and deep within the construct using a non-invasive optical oxygen sensing spot. We could show that the appearance of oxygen limitations is more prominent in softer GelMA-hydrogels, which enable better cell spreading. Beyond demonstrating novel or space-resolved techniques of visualizing oxygen availability in hydrogel constructs, we also describe a method to create a stable and controlled oxygen gradient throughout the construct using a 3D printed flow-through chamber.
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Affiliation(s)
- Carola Schmitz
- Institute of Technical Chemistry, Gottfried Wilhelm Leibniz University Hannover, Hannover, Germany
| | - Iliyana Pepelanova
- Institute of Technical Chemistry, Gottfried Wilhelm Leibniz University Hannover, Hannover, Germany
| | - Christian Ude
- Institute of Technical Chemistry, Gottfried Wilhelm Leibniz University Hannover, Hannover, Germany
| | - Antonina Lavrentieva
- Institute of Technical Chemistry, Gottfried Wilhelm Leibniz University Hannover, Hannover, Germany
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112
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Novel structural designs of 3D-printed osteogenic graft for rapid angiogenesis. Biodes Manuf 2022. [DOI: 10.1007/s42242-022-00212-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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113
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Desai N, Spangler M, Nanavaty V, Gishto A, Brown A. New hyaluronan-based biomatrix for 3-D follicle culture yields functionally competent oocytes. Reprod Biol Endocrinol 2022; 20:148. [PMID: 36217168 PMCID: PMC9549656 DOI: 10.1186/s12958-022-01019-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 09/21/2022] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Encapsulation of follicles within a biomatrix is one approach to maintaining 3-D follicle architecture during culture. Hyaluronan is one component of the natural extracellular matrix (ECM) that provides support to cells in vivo. This report describes the application of a novel tyramine-linked hyaluronan for 3-D in vitro follicle culture and the production of developmentally competent metaphase II oocytes. MATERIALS AND METHODS Enzymatically isolated mouse preantral follicles or follicle clusters (FL-C) from fresh or vitrified ovaries were encapsulated in 3 mg/ml of hyaluronan gel (HA). Follicle growth, antrum formation and meiotic maturation to metaphase II oocytes was monitored. Chromatin staining was used to assess GV oocyte progression towards meiotic competence. Functional competence of in vitro matured (IVM) oocytes was evaluated by in vitro fertilization and ability to develop to blastocyst. Modifying the HA gel by inclusion of laminin (HA-LM), mouse sarcoma extracellular matrix (Matrigel;HA-MG) or placental extracellular matrix (HA-PM) was also tested to see if this might further enhance IVM outcomes. RESULTS A total of 402 preantral follicles were cultured in HA gel. After hCG trigger, 314 oocyte-cumulus complexes ovulated from the embedded follicles. Meiotic maturation rate to the metaphase II stage was 73% (228/314). After insemination 83% (188/228) of IVM oocytes fertilized with a subsequent blastulation rate of 46% (87/188). A pilot transfer study with 3 recipient mice resulted in the birth of a single pup. HA gel supported individually isolated follicles as well ovarian tissue fragments containing clusters of 6-8 preantral follicles. Meiotic maturation was lower with FL-clusters from vitrified versus fresh ovaries (34% and 55%, respectively; p < 0.007). Modification of the HA gel with ECMs or laminin affected antrum formation and follicle retention. Maturation rates to the metaphase II stage were however not significantly different: 74% for HA gel alone as compared to HA-LM (67%), HA-MG (56%) and HA-PM (58%). CONCLUSION Hyaluronan gel is an effective and versatile extracellular matrix based biomaterial for 3-D culture of ovarian follicles. This culture model allowed ovulation of functionally competent metaphase II oocytes, capable of fertilization, genomic activation and blastulation. Future testing with human follicles that require longer in vitro culture times should be considered.
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Affiliation(s)
- Nina Desai
- grid.239578.20000 0001 0675 4725Department of OB/GYN and Women’s Health Institute, Cleveland Clinic Fertility Center, Cleveland Clinic Foundation, Beachwood, OH USA
| | - Maribeth Spangler
- grid.239578.20000 0001 0675 4725Department of OB/GYN and Women’s Health Institute, Cleveland Clinic Fertility Center, Cleveland Clinic Foundation, Beachwood, OH USA
| | - Vaani Nanavaty
- grid.239578.20000 0001 0675 4725Department of OB/GYN and Women’s Health Institute, Cleveland Clinic Fertility Center, Cleveland Clinic Foundation, Beachwood, OH USA
| | - Arsela Gishto
- grid.239578.20000 0001 0675 4725Department of OB/GYN and Women’s Health Institute, Cleveland Clinic Fertility Center, Cleveland Clinic Foundation, Beachwood, OH USA
| | - Alyssa Brown
- grid.239578.20000 0001 0675 4725Department of OB/GYN and Women’s Health Institute, Cleveland Clinic Fertility Center, Cleveland Clinic Foundation, Beachwood, OH USA
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114
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Temple J, Velliou E, Shehata M, Lévy R, Gupta P. Current strategies with implementation of three-dimensional cell culture: the challenge of quantification. Interface Focus 2022; 12:20220019. [PMID: 35992772 PMCID: PMC9372643 DOI: 10.1098/rsfs.2022.0019] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 07/20/2022] [Indexed: 12/14/2022] Open
Abstract
From growing cells in spheroids to arranging them on complex engineered scaffolds, three-dimensional cell culture protocols are rapidly expanding and diversifying. While these systems may often improve the physiological relevance of cell culture models, they come with technical challenges, as many of the analytical methods used to characterize traditional two-dimensional (2D) cells must be modified or replaced to be effective. Here we review the advantages and limitations of quantification methods based either on biochemical measurements or microscopy imaging. We focus on the most basic of parameters that one may want to measure, the number of cells. Precise determination of this number is essential for many analytical techniques where measured quantities are only meaningful when normalized to the number of cells (e.g. cytochrome p450 enzyme activity). Thus, accurate measurement of cell number is often a prerequisite to allowing comparisons across different conditions (culturing conditions or drug and treatment screening) or between cells in different spatial states. We note that this issue is often neglected in the literature with little or no information given regarding how normalization was performed, we highlight the pitfalls and complications of quantification and call for more accurate reporting to improve reproducibility.
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Affiliation(s)
- Jonathan Temple
- Bioscience building, University of Liverpool, Liverpool L69 3BX, UK
| | - Eirini Velliou
- Centre for 3D Models of Health and Disease, University College London, London, UK
| | - Mona Shehata
- Hutchison-MRC Research Centre, University of Cambridge, Cambridge CB2 1TN, UK
| | - Raphaël Lévy
- Bioscience building, University of Liverpool, Liverpool L69 3BX, UK
- Laboratoire for Vascular Translational Science, Université Sorbonne Paris Nord, Bobigny, France
| | - Priyanka Gupta
- Centre for 3D Models of Health and Disease, University College London, London, UK
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115
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Fei Y, Ma Y, Zhang H, Li H, Feng G, Fang J. Nanotechnology for research and treatment of the intestine. J Nanobiotechnology 2022; 20:430. [PMID: 36175955 PMCID: PMC9523975 DOI: 10.1186/s12951-022-01517-3] [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: 04/26/2022] [Accepted: 06/14/2022] [Indexed: 11/17/2022] Open
Abstract
The establishment of intestinal in vitro models is crucial for elucidating intestinal cell-microbe intrinsic connections and interaction mechanisms to advance normalized intestinal diagnosis and precision therapy. This review discusses the application of nanomaterials in mucosal therapy and mechanism research in combination with the study of nanoscaffold in vitro models of the gut. By reviewing the original properties of nanomaterials synthesized by different physicochemical principles and modifying the original properties, the contribution of nanomaterials to solving the problems of short survival period, low cell differentiation rate, and poor reduction ability in traditional intestinal models is explored. According to nanomaterials’ different diagnostic mediators and therapeutic targets, the current diagnostic principles in inflammatory bowel disease, intestinal cancer, and other diseases are summarized inductively. In addition, the mechanism of action of nanomedicines in repairing mucosa, inhibiting inflammation, and alleviating the disease process is also discussed. Through such systematic elaboration, it offers a basis for nanomaterials to help advance in vitro research on the intestine and provide precision treatments in the clinic.
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Affiliation(s)
- Yanquan Fei
- College of Bioscience and Biotechnology, Hunan Agricultural University, Hunan Provincial Engineering Research Center of Applied Microbial Resources Development for Livestock and Poultry, Changsha, 410128, Hunan, China
| | - Yong Ma
- College of Bioscience and Biotechnology, Hunan Agricultural University, Hunan Provincial Engineering Research Center of Applied Microbial Resources Development for Livestock and Poultry, Changsha, 410128, Hunan, China
| | - Huaizu Zhang
- College of Bioscience and Biotechnology, Hunan Agricultural University, Hunan Provincial Engineering Research Center of Applied Microbial Resources Development for Livestock and Poultry, Changsha, 410128, Hunan, China
| | - Hao Li
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-Sen University, Shenzhen, 518107, Guangdong, China
| | - Guangfu Feng
- College of Bioscience and Biotechnology, Hunan Agricultural University, Hunan Provincial Engineering Research Center of Applied Microbial Resources Development for Livestock and Poultry, Changsha, 410128, Hunan, China.
| | - Jun Fang
- College of Bioscience and Biotechnology, Hunan Agricultural University, Hunan Provincial Engineering Research Center of Applied Microbial Resources Development for Livestock and Poultry, Changsha, 410128, Hunan, China.
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116
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Cell Behavior on Peptide-Immobilized Substrate with Cell Aggregation Inducing Property. Processes (Basel) 2022. [DOI: 10.3390/pr10091779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Cell aggregates have been applied in various fields such as regenerative medicine and drug toxicity testing. We have shown that H-(Lys-Pro)12-OH (KP24), a repeating sequence of lysine (Lys) and proline (Pro), induces uniformly sized cell aggregates simply by its presence in cell suspension. In this study, we considered that this peptide could be applied to a three-dimensional culture substrate that can induce uniform cell aggregates by immobilizing it on the substrate. Therefore, mouse fibroblasts (L929) were seeded on KP24-immobilized glass substrates and cell behavior was observed. We also seeded human-derived cells, namely, human mesenchymal stem cells (hMSC), on KP24-immobilized substrates and characterized their cell assemblies. Furthermore, KP24 was chemically immobilized on the substrate surface, which allowed us to trace the mechanism of KP24–cell interaction. As a mechanism analysis of the cell aggregation ability of KP24, we investigated whether KP24 interacts with the cell surface without being incorporated into the cell.
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117
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Bhusal A, Dogan E, Nieto D, Mousavi Shaegh SA, Cecen B, Miri AK. 3D Bioprinted Hydrogel Microfluidic Devices for Parallel Drug Screening. ACS APPLIED BIO MATERIALS 2022; 5:4480-4492. [PMID: 36037061 PMCID: PMC11375967 DOI: 10.1021/acsabm.2c00578] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Conventional high-throughput screening (HTS) platforms suffer from the need for large cell volumes, high reagent consumption, significant assembly cost, and handling efforts. The assembly of three-dimensional (3D) bioprinted hydrogel-based microfluidic chips within platforms can address these problems. We present a continuous and seamless manufacturing approach to create a bioprinted microfluidic chips with a circular pattern scalable toward HTS platforms. Digital light processing 3D bioprinting is used to tune the local permeability of our chip, made of polyethylene glycol diacrylate and cell-laden gelatin methacryloyl, for creating predefined gradients of biochemical properties. We measured the flow-induced physical characteristics, the mass transport of drug agents, and the biological features of the proposed chip. We measured reactive oxygen species from the encapsulated cells through an integrated process and showed the capacity of the hydrogel-based chip for creating drug/agent gradients. This work introduces a chip design based on a hydrogel that can be changed and could be used for modern HTS platforms such as in vitro organoids.
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Affiliation(s)
- Anant Bhusal
- Department of Mechanical Engineering, Rowan University, 201 Mullica Hill Road, Glassboro, New Jersey 08028, United States
| | - Elvan Dogan
- Department of Biomedical Engineering, New Jersey Institute of Technology, 323 Dr Martin Luther King Jr Blvd, Newark, New Jersey 07102, United States
| | - Daniel Nieto
- Department Faculty of Health, Medicine and Life Sciences, Maastricht University, Universiteitssingel 40, Maastricht 6229 ER, Netherlands
| | - Seyed Ali Mousavi Shaegh
- Orthopedic Research Center, Mashhad University of Medical Sciences, P.O. Box 9187145785, Mashhad 9187145785, Iran
- Clinical Research Unit, Ghaem Hospital, Mashhad University of Medical Sciences, P.O. Box 91735451, Mashhad 91735451, Iran
| | - Berivan Cecen
- Department of Mechanical Engineering, Rowan University, 201 Mullica Hill Road, Glassboro, New Jersey 08028, United States
- Department of Biomedical Engineering, Rowan University, Glassboro, New Jersey 08028, United States
| | - Amir K Miri
- Department of Mechanical Engineering, Rowan University, 201 Mullica Hill Road, Glassboro, New Jersey 08028, United States
- Department of Biomedical Engineering, New Jersey Institute of Technology, 323 Dr Martin Luther King Jr Blvd, Newark, New Jersey 07102, United States
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Sencha LM, Dobrynina OE, Pospelov AD, Guryev EL, Peskova NN, Brilkina AA, Cherkasova EI, Balalaeva IV. Real-Time Fluorescence Visualization and Quantitation of Cell Growth and Death in Response to Treatment in 3D Collagen-Based Tumor Model. Int J Mol Sci 2022; 23:ijms23168837. [PMID: 36012102 PMCID: PMC9408454 DOI: 10.3390/ijms23168837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 08/07/2022] [Accepted: 08/08/2022] [Indexed: 11/24/2022] Open
Abstract
The use of 3D in vitro tumor models has become a common trend in cancer biology studies as well as drug screening and preclinical testing of drug candidates. The transition from 2D to 3D matrix-based cell cultures requires modification of methods for assessing tumor growth. We propose the method for assessing the growth of tumor cells in a collagen hydrogel using macro-scale registration and quantification of the gel epi-fluorescence. The technique does not require gel destruction, can be used for real-time observation of fast (in seconds) cellular responses and demonstrates high agreement with cell counting approaches or measuring total DNA content. The potency of the method was proven in experiments aimed at testing cytotoxic activity of chemotherapeutic drug (cisplatin) and recombinant targeted toxin (DARPin-LoPE) against two different tumor cell lines genetically labelled with fluorescent proteins. Moreover, using fluorescent proteins with sensor properties allows registration of dynamic changes in cells’ metabolism, which was shown for the case of sensor of caspase 3 activity.
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119
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Petta D, D'Amora U, D'Arrigo D, Tomasini M, Candrian C, Ambrosio L, Moretti M. Musculoskeletal tissues-on-a-chip: role of natural polymers in reproducing tissue-specific microenvironments. Biofabrication 2022; 14. [PMID: 35931043 DOI: 10.1088/1758-5090/ac8767] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 08/05/2022] [Indexed: 11/12/2022]
Abstract
Over the past years, 3D in vitro models have been widely employed in the regenerative medicine field. Among them, organ-on-a-chip technology has the potential to elucidate cellular mechanism exploiting multichannel microfluidic devices to establish 3D co-culture systems that offer control over the cellular, physico-chemical and biochemical microenvironments. To deliver the most relevant cues to cells, it is of paramount importance to select the most appropriate matrix for mimicking the extracellular matrix of the native tissue. Natural polymers-based hydrogels are the elected candidates for reproducing tissue-specific microenvironments in musculoskeletal tissue-on-a-chip models owning to their interesting and peculiar physico-chemical, mechanical and biological properties. Despite these advantages, there is still a gap between the biomaterials complexity in conventional tissue engineering and the application of these biomaterials in 3D in vitro microfluidic models. In this review, the aim is to suggest the adoption of more suitable biomaterials, alternative crosslinking strategies and tissue engineered-inspired approaches in organ-on-a-chip to better mimic the complexity of physiological musculoskeletal tissues. Accordingly, after giving an overview of the musculoskeletal tissue compositions, the properties of the main natural polymers employed in microfluidic systems are investigated, together with the main musculoskeletal tissues-on-a-chip devices.
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Affiliation(s)
- Dalila Petta
- Regenerative Medicine Technologis Lab, Repubblica e Cantone Ticino Ente Ospedaliero Cantonale, Via Francesco Chiesa 5, Bellinzona, Ticino, 6500, SWITZERLAND
| | - Ugo D'Amora
- Institute of Polymers, Composites and Biomaterials, National Research Council, V.le J.F. Kennedy 54 Mostra d'Oltremare Pad 20, Naples, 80125, ITALY
| | - Daniele D'Arrigo
- Repubblica e Cantone Ticino Ente Ospedaliero Cantonale, Via Francesco Chiesa 5, Bellinzona, Ticino, 6500, SWITZERLAND
| | - Marta Tomasini
- Repubblica e Cantone Ticino Ente Ospedaliero Cantonale, Via Francesco chies 5, Bellinzona, Ticino, 6500, SWITZERLAND
| | - Christian Candrian
- Unità di Traumatologia e Ortopedia, Ente Ospedaliero Cantonale, via Tesserete 46, Lugano, 6900, SWITZERLAND
| | - Luigi Ambrosio
- Institute of Polymers Composites and Biomaterials National Research Council, Viale Kennedy, Pozzuoli, Campania, 80078, ITALY
| | - Matteo Moretti
- Regenerative Medicine Technologies Laboratory, Repubblica e Cantone Ticino Ente Ospedaliero Cantonale, Via Francesco Chiesa 5, Bellinzona, Ticino, 6500, SWITZERLAND
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120
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Guo Z, Yang CT, Chien CC, Selth LA, Bagnaninchi PO, Thierry B. Optical Cellular Micromotion: A New Paradigm to Measure Tumor Cells Invasion within Gels Mimicking the 3D Tumor Environments. SMALL METHODS 2022; 6:e2200471. [PMID: 35764869 DOI: 10.1002/smtd.202200471] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 05/22/2022] [Indexed: 06/15/2023]
Abstract
Measuring tumor cell invasiveness through 3D tissues, particularly at the single-cell level, can provide important mechanistic understanding and assist in identifying therapeutic targets of tumor invasion. However, current experimental approaches, including standard in vitro invasion assays, have limited physiological relevance and offer insufficient insight into the vast heterogeneity in tumor cell migration through tissues. To address these issues, here the concept of optical cellular micromotion is reported on, where digital holographic microscopy is used to map the optical nano- to submicrometer thickness fluctuations within single-cells. These fluctuations are driven by the dynamic movement of subcellular structures including the cytoskeleton and inherently associated with the biological processes involved in cell invasion within tissues. It is experimentally demonstrated that the optical cellular micromotion correlates with tumor cells motility and invasiveness both at the population and single-cell levels. In addition, the optical cellular micromotion significantly reduced upon treatment with migrastatic drugs that inhibit tumor cell invasion. These results demonstrate that micromotion measurements can rapidly and non-invasively determine the invasive behavior of single tumor cells within tissues, yielding a new and powerful tool to assess the efficacy of approaches targeting tumor cell invasiveness.
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Affiliation(s)
- Zhaobin Guo
- Future Industries Institute and ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, University of South Australia, Mawson Lakes, SA, 5095, Australia
| | - Chih-Tsung Yang
- Future Industries Institute and ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, University of South Australia, Mawson Lakes, SA, 5095, Australia
| | - Chia-Chi Chien
- Future Industries Institute and ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, University of South Australia, Mawson Lakes, SA, 5095, Australia
| | - Luke A Selth
- Flinders Health and Medical Research Institute and Freemasons Centre for Male Health and Wellbeing, Flinders University, Bedford Park, SA, 5042, Australia
- Dame Roma Mitchell Cancer Research Laboratories and Freemasons Foundation Centre for Male Health and Wellbeing, Adelaide Medical School, The University of Adelaide, Adelaide, SA, 5000, Australia
| | - Pierre O Bagnaninchi
- Centre for Regenerative Medicine, University of Edinburgh, Edinburgh, EH16 4UU, UK
| | - Benjamin Thierry
- Future Industries Institute and ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, University of South Australia, Mawson Lakes, SA, 5095, Australia
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121
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Khafaga AF, Mousa SA, Aleya L, Abdel-Daim MM. Three-dimensional (3D) cell culture: a valuable step in advancing treatments for human hepatocellular carcinoma. Cancer Cell Int 2022; 22:243. [PMID: 35908054 PMCID: PMC9339175 DOI: 10.1186/s12935-022-02662-3] [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] [Received: 04/14/2022] [Accepted: 07/18/2022] [Indexed: 12/15/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is the fifth most common malignant cancer and the third most frequent cause of tumour-related mortality worldwide. Currently, several surgical and medical therapeutic strategies are available for HCCs; however, the interaction between neoplastic cells and non-neoplastic stromal cells within the tumour microenvironment (TME) results in strong therapeutic resistance of HCCs to conventional treatment. Therefore, the development of novel treatments is urgently needed to improve the survival of patients with HCC. The first step in developing efficient chemotherapeutic drugs is the establishment of an appropriate system for studying complex tumour culture and microenvironment interactions. Three-dimensional (3D) culture model might be a crucial bridge between in vivo and in vitro due to its ability to mimic the naturally complicated in vivo TME compared to conventional two-dimensional (2D) cultures. In this review, we shed light on various established 3D culture models of HCC and their role in the investigation of tumour-TME interactions and HCC-related therapeutic resistance.
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Affiliation(s)
- Asmaa F Khafaga
- Department of Pathology, Faculty of Veterinary Medicine, Alexandria University, Edfina, 22758, Egypt.
| | - Shaker A Mousa
- Pharmaceutical Research Institute, Albany College of Pharmacy and Health Sciences, Rensselaer, NY, 12144, USA
| | - Lotfi Aleya
- Chrono-Environnement Laboratory, UMR CNRS 6249, Bourgogne Franche-Comté University, 25030, Besançon Cedex, France
| | - Mohamed M Abdel-Daim
- Pharmacology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, 41522, Egypt.,Department of Pharmaceutical Sciences, Pharmacy Program, Batterjee Medical College, P.O. Box 6231, Jeddah 21442, Saudi Arabia
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122
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Sattar RSA, Verma R, Nimisha, Kumar A, Dar GM, Apurva, Sharma AK, Kumari I, Ahmad E, Ali A, Mahajan B, Saluja SS. Diagnostic and prognostic biomarkers in colorectal cancer and the potential role of exosomes in drug delivery. Cell Signal 2022; 99:110413. [PMID: 35907519 DOI: 10.1016/j.cellsig.2022.110413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 07/13/2022] [Accepted: 07/15/2022] [Indexed: 11/03/2022]
Abstract
Colorectal cancer (CRC) is third most common cancer with second most common cause of death worldwide. One fourth to one fifth of the CRC cases are detected at advance stage. Early detection of colorectal cancer might help in decreasing mortality and morbidity worldwide. CRC being a heterogeneous disease, new non-invasive approaches are needed to complement and improve the screening and management of CRC. Reliable and early detectable biomarkers would improve diagnosis, prognosis, therapeutic responses, and will enable the prediction of drug response and recurrence risk. Over the past decades molecular research has demonstrated the potentials of CTCs, ctDNAs, circulating mRNA, ncRNAs, and exosomes as tumor biomarkers. Non-invasive screening approaches using fecal samples for identification of altered gut microbes in CRC is also gaining attention. Exosomes can be potential candidates that can be employed in the drug delivery system. Further, the integration of in vitro, in vivo and in silico models that involve CRC biomarkers will help to understand the interactions occurring at the cellular level. This review summarizes recent update on CRC biomarkers and their application along with the nanoparticles followed by the application of organoid culture in CRC.
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Affiliation(s)
- Real Sumayya Abdul Sattar
- Central Molecular Laboratory, Govind Ballabh Pant Institute of Postgraduate Medical Education and Research (GIPMER), New Delhi, India
| | - Renu Verma
- Central Molecular Laboratory, Govind Ballabh Pant Institute of Postgraduate Medical Education and Research (GIPMER), New Delhi, India
| | - Nimisha
- Central Molecular Laboratory, Govind Ballabh Pant Institute of Postgraduate Medical Education and Research (GIPMER), New Delhi, India
| | - Arun Kumar
- Central Molecular Laboratory, Govind Ballabh Pant Institute of Postgraduate Medical Education and Research (GIPMER), New Delhi, India
| | - Ghulam Mehdi Dar
- Central Molecular Laboratory, Govind Ballabh Pant Institute of Postgraduate Medical Education and Research (GIPMER), New Delhi, India
| | - Apurva
- Central Molecular Laboratory, Govind Ballabh Pant Institute of Postgraduate Medical Education and Research (GIPMER), New Delhi, India
| | - Abhay Kumar Sharma
- Central Molecular Laboratory, Govind Ballabh Pant Institute of Postgraduate Medical Education and Research (GIPMER), New Delhi, India
| | - Indu Kumari
- Central Molecular Laboratory, Govind Ballabh Pant Institute of Postgraduate Medical Education and Research (GIPMER), New Delhi, India
| | - Ejaj Ahmad
- Central Molecular Laboratory, Govind Ballabh Pant Institute of Postgraduate Medical Education and Research (GIPMER), New Delhi, India
| | - Asgar Ali
- Central Molecular Laboratory, Govind Ballabh Pant Institute of Postgraduate Medical Education and Research (GIPMER), New Delhi, India
| | - Bhawna Mahajan
- Central Molecular Laboratory, Govind Ballabh Pant Institute of Postgraduate Medical Education and Research (GIPMER), New Delhi, India; Department of Biochemistry, Govind Ballabh Pant Institute of Postgraduate Medical Education and Research (GIPMER), New Delhi, India
| | - Sundeep Singh Saluja
- Central Molecular Laboratory, Govind Ballabh Pant Institute of Postgraduate Medical Education and Research (GIPMER), New Delhi, India; Department of GI Surgery, Govind Ballabh Pant Institute of Postgraduate Medical Education and Research (GIPMER), New Delhi, India.
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Butelmann T, Gu Y, Li A, Tribukait-Riemenschneider F, Hoffmann J, Molazem A, Jaeger E, Pellegrini D, Forget A, Shastri VP. 3D Printed Solutions for Spheroid Engineering and Cancer Research. Int J Mol Sci 2022; 23:ijms23158188. [PMID: 35897762 PMCID: PMC9331260 DOI: 10.3390/ijms23158188] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 07/13/2022] [Accepted: 07/20/2022] [Indexed: 01/03/2023] Open
Abstract
In multicellular organisms, cells are organized in a 3-dimensional framework and this is essential for organogenesis and tissue morphogenesis. Systems to recapitulate 3D cell growth are therefore vital for understanding development and cancer biology. Cells organized in 3D environments can evolve certain phenotypic traits valuable to physiologically relevant models that cannot be accessed in 2D culture. Cellular spheroids constitute an important aspect of in vitro tumor biology and they are usually prepared using the hanging drop method. Here a 3D printed approach is demonstrated to fabricate bespoke hanging drop devices for the culture of tumor cells. The design attributes of the hanging drop device take into account the need for high-throughput, high efficacy in spheroid formation, and automation. Specifically, in this study, custom-fit, modularized hanging drop devices comprising of inserts (Q-serts) were designed and fabricated using fused filament deposition (FFD). The utility of the Q-serts in the engineering of unicellular and multicellular spheroids-synthetic tumor microenvironment mimics (STEMs)—was established using human (cancer) cells. The culture of spheroids was automated using a pipetting robot and bioprinted using a custom bioink based on carboxylated agarose to simulate a tumor microenvironment (TME). The spheroids were characterized using light microscopy and histology. They showed good morphological and structural integrity and had high viability throughout the entire workflow. The systems and workflow presented here represent a user-focused 3D printing-driven spheroid culture platform which can be reliably reproduced in any research environment and scaled to- and on-demand. The standardization of spheroid preparation, handling, and culture should eliminate user-dependent variables, and have a positive impact on translational research to enable direct comparison of scientific findings.
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Affiliation(s)
- Tobias Butelmann
- Institute for Macromolecular Chemistry, University of Freiburg, 79104 Freiburg, Germany; (T.B.); (Y.G.); (A.L.); (F.T.-R.); (J.H.); (A.M.); (E.J.); (D.P.); (A.F.)
| | - Yawei Gu
- Institute for Macromolecular Chemistry, University of Freiburg, 79104 Freiburg, Germany; (T.B.); (Y.G.); (A.L.); (F.T.-R.); (J.H.); (A.M.); (E.J.); (D.P.); (A.F.)
| | - Aijun Li
- Institute for Macromolecular Chemistry, University of Freiburg, 79104 Freiburg, Germany; (T.B.); (Y.G.); (A.L.); (F.T.-R.); (J.H.); (A.M.); (E.J.); (D.P.); (A.F.)
| | - Fabian Tribukait-Riemenschneider
- Institute for Macromolecular Chemistry, University of Freiburg, 79104 Freiburg, Germany; (T.B.); (Y.G.); (A.L.); (F.T.-R.); (J.H.); (A.M.); (E.J.); (D.P.); (A.F.)
| | - Julius Hoffmann
- Institute for Macromolecular Chemistry, University of Freiburg, 79104 Freiburg, Germany; (T.B.); (Y.G.); (A.L.); (F.T.-R.); (J.H.); (A.M.); (E.J.); (D.P.); (A.F.)
| | - Amin Molazem
- Institute for Macromolecular Chemistry, University of Freiburg, 79104 Freiburg, Germany; (T.B.); (Y.G.); (A.L.); (F.T.-R.); (J.H.); (A.M.); (E.J.); (D.P.); (A.F.)
| | - Ellen Jaeger
- Institute for Macromolecular Chemistry, University of Freiburg, 79104 Freiburg, Germany; (T.B.); (Y.G.); (A.L.); (F.T.-R.); (J.H.); (A.M.); (E.J.); (D.P.); (A.F.)
| | - Diana Pellegrini
- Institute for Macromolecular Chemistry, University of Freiburg, 79104 Freiburg, Germany; (T.B.); (Y.G.); (A.L.); (F.T.-R.); (J.H.); (A.M.); (E.J.); (D.P.); (A.F.)
| | - Aurelien Forget
- Institute for Macromolecular Chemistry, University of Freiburg, 79104 Freiburg, Germany; (T.B.); (Y.G.); (A.L.); (F.T.-R.); (J.H.); (A.M.); (E.J.); (D.P.); (A.F.)
| | - V. Prasad Shastri
- Institute for Macromolecular Chemistry, University of Freiburg, 79104 Freiburg, Germany; (T.B.); (Y.G.); (A.L.); (F.T.-R.); (J.H.); (A.M.); (E.J.); (D.P.); (A.F.)
- BIOSS Centre for Biological Signalling Studies, University of Freiburg, 79104 Freiburg, Germany
- Correspondence: or
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Chen D, Yin J, Yang Z, Qin W, Huo J, Huang J, Sun J, Piao W. Construction and Application of Hepatocyte Model Based on Microfluidic Chip Technique in Evaluating Emodin. Nutrients 2022; 14:nu14132768. [PMID: 35807948 PMCID: PMC9268988 DOI: 10.3390/nu14132768] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 06/28/2022] [Accepted: 07/02/2022] [Indexed: 02/04/2023] Open
Abstract
The current cytological evaluation technique of health food raw materials does not entirely meet the needs of evaluating health food. Our study adopted the microfluidic chip technique for the first time to construct a hepatocyte model of evaluating emodin, which was composed of a human hepatocellular carcinoma cell (HepG2) and microfluidic chip. The mixed glue of a model with rat tail collagen type I (1.3 mg/mL) + gelatin (7.5%) was used to simulate the microenvironment of a cell. The validity of this model was evaluated by cell proliferation activity and cell staining, and the toxicity of emodin was evaluated by a series of metabolic indicators on this model. The results indicated that the repeatability of the constructed hepatocyte model was favorable, with a coefficient of variation (CV) of 2.8%. After emodin continuously was exposed for 48 h, the cell inhibition was obvious at 100 and 200 μM, and the number of dead cells gradually increased with the increasing of emodin concentration, and the difference of BUN was significant between the emodin group and blank group (p < 0.05). The constructed model has a favorable applicability in evaluating emodin. This study provides an important platform and a potential in vitro alternative model for assessing and predicting the health effects of health food.
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Affiliation(s)
| | - Jiyong Yin
- Correspondence: ; Tel.: +86-010-6623-7211; Fax: +86-010-8313-2317
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Liu W, Zhang R, Huang S, Li X, Liu W, Zhou J, Zhu L, Song Y, Yang C. Quantification of Intracellular Proteins in Single Cells Based on Engineered Picoliter Droplets. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:7929-7937. [PMID: 35748862 DOI: 10.1021/acs.langmuir.2c00341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Unlike conventional bulk measurements, single-cell protein analysis permits quantification of protein expression in individual cells. This has shed light on the cell-to-cell variation in heterogeneous biological systems, such as solid tumors, brain tissues, and developing embryos. Herein, a microfluidic method is developed to profile protein expression in individual cells by performing single-cell intracellular protein immunoassay in picoliter paired droplets. The high sensitivity of single-cell protein analysis on a chip is achieved by the confined reaction volume of picoliter droplets, efficient kinetic characteristics of the immunoassay through active mixing, and minimum single-cell protein loss by integrated operations. The abundance of an intracellular prostate specific antigen at the single-cell level is measured, and then the platform is applied to identify cell types and investigate heterogeneity within cell populations. Overall, a paired chip for single-cell immunoassay establishes a foundation for parallel, sensitive, and integrated protein quantification at the single-cell level and will find wide applications in the field of single-cell proteomics.
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Affiliation(s)
- Weizhi Liu
- The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Ruihua Zhang
- The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Shanqing Huang
- The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Xingrui Li
- The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Wanling Liu
- The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Jianhui Zhou
- The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Lin Zhu
- The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Yanling Song
- The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
- Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen 361005, China
| | - Chaoyong Yang
- The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
- Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen 361005, China
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Additive manufacturing in respiratory sciences - Current applications and future prospects. Adv Drug Deliv Rev 2022; 186:114341. [PMID: 35569558 DOI: 10.1016/j.addr.2022.114341] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 04/21/2022] [Accepted: 05/09/2022] [Indexed: 12/21/2022]
Abstract
Additive Manufacturing (AM) comprises a variety of techniques that enable fabrication of customised objects with specific attributes. The versatility of AM procedures and constant technological improvements allow for their application in the development of medicinal products and medical devices. This review provides an overview of AM applications related to respiratory sciences. For this purpose, both fields of research are briefly introduced and the potential benefits of integrating AM to respiratory sciences at different levels of pharmaceutical development are highlighted. Tailored manufacturing of microstructures as a particle design approach in respiratory drug delivery will be discussed. At the dosage form level, we exemplify AM as an important link in the iterative loop of data driven inhaler design, rapid prototyping and in vitro testing. This review also presents the application of bioprinting in the respiratory field for design of biorelevant in vitro cellular models, followed by an overview of AM-related processes in preventive and therapeutic care. Finally, this review discusses future prospects of AM as a component in a digital health environment.
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Mukosera GT, Principe P, Mata-Greenwood E, Liu T, Schroeder H, Parast M, Blood AB. Iron nitrosyl complexes are formed from nitrite in the human placenta. J Biol Chem 2022; 298:102078. [PMID: 35643317 PMCID: PMC9257420 DOI: 10.1016/j.jbc.2022.102078] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 05/11/2022] [Accepted: 05/25/2022] [Indexed: 11/19/2022] Open
Abstract
Placental nitric oxide (NO) is critical for maintaining perfusion in the maternal-fetal-placental circulation during normal pregnancy. NO and its many metabolites are also increased in pregnancies complicated by maternal inflammation such as preeclampsia, fetal growth restriction, gestational diabetes, and bacterial infection. However, it is unclear how increased levels of NO or its metabolites affect placental function or how the placenta deals with excessive levels of NO or its metabolites. Since there is uncertainty over the direction of change in plasma levels of NO metabolites in preeclampsia, we measured the levels of these metabolites at the placental tissue level. We found that NO metabolites are increased in placentas from patients with preeclampsia compared to healthy controls. We also discovered by ozone-based chemiluminescence and electron paramagnetic resonance that nitrite is efficiently converted into iron nitrosyl complexes (FeNOs) within the human placenta and also observed the existence of endogenous FeNOs within placentas from sheep and rats. We show these nitrite-derived FeNOs are relatively short-lived, predominantly protein-bound, heme-FeNOs. The efficient formation of FeNOs from nitrite in the human placenta hints toward the importance of both nitrite and FeNOs in placental physiology or pathology. As iron nitrosylation is an important posttranslational modification that affects the activity of multiple iron-containing proteins such as those in the electron transport chain, or those involved in epigenetic regulation, we conclude that FeNOs merit increased study in pregnancy complications.
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Affiliation(s)
- George T Mukosera
- Lawrence D Longo Center for Perinatal Biology, Loma Linda University, Loma Linda, California, USA
| | - Patricia Principe
- Lawrence D Longo Center for Perinatal Biology, Loma Linda University, Loma Linda, California, USA
| | - Eugenia Mata-Greenwood
- Lawrence D Longo Center for Perinatal Biology, Loma Linda University, Loma Linda, California, USA
| | - Taiming Liu
- Division of Neonatology, Department of Pediatrics, Loma Linda University School of Medicine, Loma Linda, California, USA
| | - Hobe Schroeder
- Lawrence D Longo Center for Perinatal Biology, Loma Linda University, Loma Linda, California, USA
| | - Mana Parast
- Department of Pathology, University of California San Diego, La Jolla, California, USA
| | - Arlin B Blood
- Lawrence D Longo Center for Perinatal Biology, Loma Linda University, Loma Linda, California, USA; Division of Neonatology, Department of Pediatrics, Loma Linda University School of Medicine, Loma Linda, California, USA.
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3D Spheroid Human Dermal Papilla Cell as an Effective Model for the Screening of Hair Growth Promoting Compounds: Examples of Minoxidil and 3,4,5-Tri-O-caffeoylquinic acid (TCQA). Cells 2022; 11:cells11132093. [PMID: 35805177 PMCID: PMC9265566 DOI: 10.3390/cells11132093] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 06/24/2022] [Accepted: 06/28/2022] [Indexed: 11/29/2022] Open
Abstract
Dermal papilla cells (DPCs) are an important element of the hair follicle (HF) niche, widely used as an in vitro model to study hair growth-related research. These cells are usually grown in 2D culture, but this system did not show efficient therapeutic effects on HF regeneration and growth, and key differences were observed between cell activity in vitro and in vivo. Recent studies have showed that DPCs grown in 3D hanging spheroids are more morphologically akin to an intact DP microenvironment. In this current study, global gene molecular analysis showed that the 3D model highly affected cell adhesion molecules and hair growth-related pathways. Furthermore, we compared the expression of signalling molecules and metabolism-associated proteins of DPCs treated with minoxidil (an FDA-approved drug for hair loss treatment) and 3,4,5-tri-O-caffeoylquinic acid (TCQA) (recently found to induce hair growth in vitro and in vivo) in 3D spheroid hanging drops and a 2D monolayer using DNA microarray analysis. Further validations by determining the gene and protein expressions of key signature molecules showed the suitability of this 3D system for enhancing the DPC activity of the hair growth-promoting agents minoxidil and TCQA.
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Quilez Lopez C, Cerdeira E, González-Rico J, De Aranda G, Lopez-Donaire ML, Jorcano Noval JL, Velasco Bayon D. Evaluation of different methodologies for primary human dermal fibroblast spheroid formation: automation through 3D Bioprinting technology. Biomed Mater 2022; 17. [PMID: 35724647 DOI: 10.1088/1748-605x/ac7a7f] [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: 03/18/2022] [Accepted: 06/14/2022] [Indexed: 11/11/2022]
Abstract
Cell spheroids have recently emerged as an effective tool to recapitulate native microenvironments of living organisms in an in vitro scenario, increasing the reliability of the results obtained and broadening their applications in regenerative medicine, cancer research, disease modeling and drug screening. In this study the generation of spheroids containing primary human dermal fibroblasts (dHFs) was approached using the two-widely employed methods: hanging-drop (HD) and U-shape low adhesion plate (LA-plate). Moreover, extrusion-based 3D bioprinting was introduced to achieve a standardized and scalable production of cell spheroids, decreasing considerably the possibilities of human error. This was ensured when U-shape LA-plates were used, showing an 85% formation efficiency, increasing up to a 98% when it was automatized using the 3D bioprinting technologies. However, sedimentation effect within the cartridge led to a reduction of 20% in size of the spheroid during the printing process. Hyaluronic acid (HA) was chosen as viscosity enhancer to supplement the bioink and overcome cell sedimentation within the cartridge due to the high viability values exhibited by the cells - around 80% - at the used conditions. Finally, ANCOVA analysis of spheroid size over time for different printing conditions stand out HA 0.4% (w/v) 60 kDa as the viscosity-improved bioink that exhibit the highest cell viability and spheroid formation percentages. Besides, not only did it ensure cell spheroid homogeneity over time, reducing cell sedimentation effects, but also wider spheroid diameters over time with less variability, outperforming significantly manual loading.
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Affiliation(s)
- Cristina Quilez Lopez
- University Carlos III of Madrid Department of Bioengineering and Aerospace Engineering, Avenida de la Universidad, 30, Leganés (Madrid), Leganes, 28911, SPAIN
| | - Enrique Cerdeira
- BIST Dolors Aleu Graduate Centre, Universitat Pompeu Fabra (UPF), Barcelona, Spain, Plaça de la Mercè, 10-12, 08002 Barcelona, Barcelona, 08002, SPAIN
| | - Jorge González-Rico
- Department of Continuum Mechanics and Structural Analysis, Universidad Carlos III de Madrid (UC3M), Avenida de la Universidad, 30, Leganés (Madrid), Leganes, Madrid, 28911, SPAIN
| | - Gonzalo De Aranda
- University Carlos III of Madrid Department of Bioengineering and Aerospace Engineering, Avenida de la Universidad 30, Leganés (Madrid), Leganes, 28911, SPAIN
| | - Maria Luisa Lopez-Donaire
- Continuum Mechanics and Structural Analysis, Universidad Carlos III de Madrid - Campus de Getafe, Avenida de la Universidad 30, Getafe, Madrid, 28903, SPAIN
| | - Jose Luis Jorcano Noval
- Department of Bioengineering and Aerospace Engineering, Universidad Carlos III de Madrid (UC3M), Avenida de la Universidad, 30, Leganés (Madrid), Leganes, Madrid, 28911, SPAIN
| | - Diego Velasco Bayon
- Department of Bioengineering and Aerospace Engineering, Universidad Carlos III de Madrid (UC3M), Avenida de la Universidad, 30, Leganés (Madrid), Leganes, Madrid, 28911, SPAIN
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130
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Pagar RR, Musale SR, Pawar G, Kulkarni D, Giram PS. Comprehensive Review on the Degradation Chemistry and Toxicity Studies of Functional Materials. ACS Biomater Sci Eng 2022; 8:2161-2195. [PMID: 35522605 DOI: 10.1021/acsbiomaterials.1c01304] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
In recent decades there has been growing interest of material chemists in the successful development of functional materials for drug delivery, tissue engineering, imaging, diagnosis, theranostic, and other biomedical applications with advanced nanotechnology tools. The efficacy and safety of functional materials are determined by their pharmacological, toxicological, and immunogenic effects. It is essential to consider all degradation pathways of functional materials and to assess plausible intermediates and final products for quality control. This review provides a brief insight into chemical degradation mechanisms of functional materials like oxidation, photodegradation, and physical and enzymatic degradation. The intermediates and products of degradation were confirmed with analytical methods such as proton nuclear magnetic resonance (1H NMR), gel permeation chromatography (GPC), UV-vis spectroscopy (UV-vis), infrared spectroscopy (IR), differential scanning calorimetry (DSC), mass spectroscopy, and other sophisticated analytical methods. These analytical methods are also used for regulatory, quality control, and stability purposes in industry. The assessment of degradation is important to predetermine the behavior of functional materials in specific storage conditions and can be relevant to their behavior during in vivo applications. Another important aspect is the evaluation of the toxicity of functional materials. Toxicity can be accessed with various methods using in vitro, in vivo, ex vivo, and in silico models. In vitro cell culture methods are used to determine mitochondrial damage, reactive oxygen species, stress responses, and cellular toxicity. In vitro cellular toxicity can be measured by MTT assay, LDH leakage assay, and hemolysis. In vivo studies are performed using various animal models involving zebrafish, rodents (mice and rats), and nonhuman primates. Ex vivo studies are also used for efficacy and toxicity determinations of functional materials like ex vivo potency assay and precision-cut liver slice (PCLS) models. The in silico tools with computational simulations like quantitative structure-activity relationships (QSAR), pharmacokinetics (PK) and pharmacodynamics (PD), dose and time response, and quantitative cationic-activity relationships ((Q)CARs) are used for prediction of the toxicity of functional materials. In this review, we studied the principle methods used for degradation studies, different degradation pathways, and mechanisms of functional material degradation with prototype examples. We discuss toxicity assessments with different toxicity approaches used for estimation of the safety and efficacy of functional materials.
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Affiliation(s)
- Roshani R Pagar
- Department of Pharmaceutics, Dr. D.Y. Patil Institute of Pharmaceutical Sciences and Research, Pimpri, Pune, Maharashtra 411018, India
| | - Shubham R Musale
- Department of Pharmaceutics, Dr. D.Y. Patil Institute of Pharmaceutical Sciences and Research, Pimpri, Pune, Maharashtra 411018, India
| | - Ganesh Pawar
- Department of Pharmacology, Dr. D.Y. Patil Institute of Pharmaceutical Sciences and Research, Pimpri, Pune, Maharashtra 411018, India
| | - Deepak Kulkarni
- Srinath College of Pharmacy, Bajajnagar, Aurangabad, Maharashtra 431136, India
| | - Prabhanjan S Giram
- Department of Pharmaceutics, Dr. D.Y. Patil Institute of Pharmaceutical Sciences and Research, Pimpri, Pune, Maharashtra 411018, India.,Department of Pharmaceutical Sciences, University at Buffalo, State University of New York, Buffalo, New York 14214, United States
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Poornima K, Francis AP, Hoda M, Eladl MA, Subramanian S, Veeraraghavan VP, El-Sherbiny M, Asseri SM, Hussamuldin ABA, Surapaneni KM, Mony U, Rajagopalan R. Implications of Three-Dimensional Cell Culture in Cancer Therapeutic Research. Front Oncol 2022; 12:891673. [PMID: 35646714 PMCID: PMC9133474 DOI: 10.3389/fonc.2022.891673] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Accepted: 04/11/2022] [Indexed: 12/12/2022] Open
Abstract
Replicating the naturalistic biomechanical milieu of cells is a primary requisite to uncover the fundamental life processes. The native milieu is significantly not replicated in the two-dimensional (2D) cell cultures. Alternatively, the current three-dimensional (3D) culture techniques can replicate the properties of extracellular matrix (ECM), though the recreation of the original microenvironment is challenging. The organization of cells in a 3D manner contributes to better insight about the tumorigenesis mechanism of the in vitro cancer models. Gene expression studies are susceptible to alterations in their microenvironment. Physiological interactions among neighboring cells also contribute to gene expression, which is highly replicable with minor modifications in 3D cultures. 3D cell culture provides a useful platform for identifying the biological characteristics of tumor cells, particularly in the drug sensitivity area of translational medicine. It promises to be a bridge between traditional 2D culture and animal experiments and is of great importance for further research in tumor biology. The new imaging technology and the implementation of standard protocols can address the barriers interfering with the live cell observation in a natural 3D physiological environment.
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Affiliation(s)
- Kolluri Poornima
- Department of Biochemistry and Molecular Biology, School of Life Sciences, Pondicherry University, Pondicherry, India
| | - Arul Prakash Francis
- Centre of Molecular Medicine and Diagnostics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India
| | - Muddasarul Hoda
- Department of Biological Sciences, Aliah University, Kolkata, India
| | - Mohamed Ahmed Eladl
- Department of Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Srividya Subramanian
- Department of Biochemistry and Molecular Biology, School of Life Sciences, Pondicherry University, Pondicherry, India
| | - Vishnu Priya Veeraraghavan
- Centre of Molecular Medicine and Diagnostics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India
| | - Mohamed El-Sherbiny
- Department of Basic Medical Sciences, College of Medicine, AlMaarefa University, Riyadh, Saudi Arabia
| | - Saad Mohamed Asseri
- Department of Clinical Medical Sciences, College of Medicine, AlMaarefa University, Riyadh, Saudi Arabia
| | | | - Krishna Mohan Surapaneni
- Departments of Biochemistry, Molecular Virology, Research, Clinical Skills, and Simulation, Panimalar Medical College Hospital and Research Institute, Chennai, India
| | - Ullas Mony
- Centre of Molecular Medicine and Diagnostics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India
| | - Rukkumani Rajagopalan
- Department of Biochemistry and Molecular Biology, School of Life Sciences, Pondicherry University, Pondicherry, India
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132
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A three-dimensional electrochemical biosensor integrated with hydrogel for cells culture and lactate release monitoring. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116338] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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133
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Zhang H, Zhang Q, Guo Z, Liang K, Boyer C, Liu J, Zheng Z, Amal R, Yun SLJ, Gu Z. Disulfiram-loaded metal organic framework for precision cancer treatment via ultrasensitive tumor microenvironment-responsive copper chelation and radical generation. J Colloid Interface Sci 2022; 615:517-526. [DOI: 10.1016/j.jcis.2022.01.187] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Revised: 01/10/2022] [Accepted: 01/30/2022] [Indexed: 11/16/2022]
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134
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Cortesi M, Giordano E. Non-destructive monitoring of 3D cell cultures: new technologies and applications. PeerJ 2022; 10:e13338. [PMID: 35582620 PMCID: PMC9107788 DOI: 10.7717/peerj.13338] [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: 01/12/2022] [Accepted: 04/05/2022] [Indexed: 01/13/2023] Open
Abstract
3D cell cultures are becoming the new standard for cell-based in vitro research, due to their higher transferrability toward in vivo biology. The lack of established techniques for the non-destructive quantification of relevant variables, however, constitutes a major barrier to the adoption of these technologies, as it increases the resources needed for the experimentation and reduces its accuracy. In this review, we aim at addressing this limitation by providing an overview of different non-destructive approaches for the evaluation of biological features commonly quantified in a number of studies and applications. In this regard, we will cover cell viability, gene expression, population distribution, cell morphology and interactions between the cells and the environment. This analysis is expected to promote the use of the showcased technologies, together with the further development of these and other monitoring methods for 3D cell cultures. Overall, an extensive technology shift is required, in order for monolayer cultures to be superseded, but the potential benefit derived from an increased accuracy of in vitro studies, justifies the effort and the investment.
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Affiliation(s)
- Marilisa Cortesi
- Department of Electrical, Electronic and Information Engineering ”G.Marconi”, University of Bologna, Bologna, Italy
- School of Clinical Medicine, Faculty of Medicine and Health, University of New South Wales, Kensington, Australia
| | - Emanuele Giordano
- Department of Electrical, Electronic and Information Engineering ”G.Marconi”, University of Bologna, Bologna, Italy
- BioEngLab, Health Science and Technology, Interdepartmental Center for Industrial Research (HST-CIRI), University of Bologna, Ozzano Emilia, Italy
- Advanced Research Center on Electronic Systems (ARCES), University of Bologna, Bologna, Italy
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135
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Qazi TH, Blatchley MR, Davidson MD, Yavitt FM, Cooke ME, Anseth KS, Burdick JA. Programming hydrogels to probe spatiotemporal cell biology. Cell Stem Cell 2022; 29:678-691. [PMID: 35413278 PMCID: PMC9081204 DOI: 10.1016/j.stem.2022.03.013] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The recapitulation of complex microenvironments that regulate cell behavior during development, disease, and wound healing is key to understanding fundamental biological processes. In vitro, multicellular morphogenesis, organoid maturation, and disease modeling have traditionally been studied using either non-physiological 2D substrates or 3D biological matrices, neither of which replicate the spatiotemporal biochemical and biophysical complexity of biology. Here, we provide a guided overview of the recent advances in the programming of synthetic hydrogels that offer precise control over the spatiotemporal properties within cellular microenvironments, such as advances in the control of cell-driven remodeling, bioprinting, or user-defined manipulation of properties (e.g., via light irradiation).
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Affiliation(s)
- Taimoor H Qazi
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Michael R Blatchley
- BioFrontiers Institute, University of Colorado Boulder, Boulder, CO 80303, USA; Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80303, USA
| | - Matthew D Davidson
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA; BioFrontiers Institute, University of Colorado Boulder, Boulder, CO 80303, USA; Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80303, USA
| | - F Max Yavitt
- BioFrontiers Institute, University of Colorado Boulder, Boulder, CO 80303, USA; Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80303, USA
| | - Megan E Cooke
- BioFrontiers Institute, University of Colorado Boulder, Boulder, CO 80303, USA; Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80303, USA
| | - Kristi S Anseth
- BioFrontiers Institute, University of Colorado Boulder, Boulder, CO 80303, USA; Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80303, USA
| | - Jason A Burdick
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA; BioFrontiers Institute, University of Colorado Boulder, Boulder, CO 80303, USA; Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80303, USA.
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De Stefano P, Bianchi E, Dubini G. The impact of microfluidics in high-throughput drug-screening applications. BIOMICROFLUIDICS 2022; 16:031501. [PMID: 35646223 PMCID: PMC9142169 DOI: 10.1063/5.0087294] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 05/02/2022] [Indexed: 05/05/2023]
Abstract
Drug discovery is an expensive and lengthy process. Among the different phases, drug discovery and preclinical trials play an important role as only 5-10 of all drugs that begin preclinical tests proceed to clinical trials. Indeed, current high-throughput screening technologies are very expensive, as they are unable to dispense small liquid volumes in an accurate and quick way. Moreover, despite being simple and fast, drug screening assays are usually performed under static conditions, thus failing to recapitulate tissue-specific architecture and biomechanical cues present in vivo even in the case of 3D models. On the contrary, microfluidics might offer a more rapid and cost-effective alternative. Although considered incompatible with high-throughput systems for years, technological advancements have demonstrated how this gap is rapidly reducing. In this Review, we want to further outline the role of microfluidics in high-throughput drug screening applications by looking at the multiple strategies for cell seeding, compartmentalization, continuous flow, stimuli administration (e.g., drug gradients or shear stresses), and single-cell analyses.
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Affiliation(s)
- Paola De Stefano
- Laboratory of Biological Structure Mechanics, Department of Chemistry, Materials and Chemical Engineering “G. Natta,” Politecnico di Milano, Italy
| | - Elena Bianchi
- Laboratory of Biological Structure Mechanics, Department of Chemistry, Materials and Chemical Engineering “G. Natta,” Politecnico di Milano, Italy
| | - Gabriele Dubini
- Laboratory of Biological Structure Mechanics, Department of Chemistry, Materials and Chemical Engineering “G. Natta,” Politecnico di Milano, Italy
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137
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Pisanu A, Reid G, Fusco D, Sileo A, Robles Diaz D, Tarhini H, Putame G, Massai D, Isu G, Marsano A. Bizonal cardiac engineered tissues with differential maturation features in a mid-throughput multimodal bioreactor. iScience 2022; 25:104297. [PMID: 35586070 PMCID: PMC9108516 DOI: 10.1016/j.isci.2022.104297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 11/26/2021] [Accepted: 04/21/2022] [Indexed: 12/03/2022] Open
Abstract
Functional three-dimensional (3D) engineered cardiac tissue (ECT) models are essential for effective drug screening and biological studies. Application of physiological cues mimicking those typical of the native myocardium is known to promote the cardiac maturation and functionality in vitro. Commercially available bioreactors can apply one physical force type at a time and often in a restricted loading range. To overcome these limitations, a millimetric-scale microscope-integrated bioreactor was developed to deliver multiple biophysical stimuli to ECTs. In this study, we showed that the single application of auxotonic loading (passive) generated a bizonal ECT with a unique cardiac maturation pattern. Throughout the statically cultured constructs and in the ECT region exposed to high passive loading, cardiomyocytes predominantly displayed a round morphology and poor contractility ability. The ECT region with a low passive mechanical stimulation instead showed both rat- and human-origin cardiac cell maturation and organization, as well as increased ECT functionality. Mid-throughput culture platform to engineer reproducible 3D cardiac in vitro models 3D culture under multiphysical stimuli mimicking the in vivo heart environment Passive loading leads to bizonal constructs with different cardiac maturation stages
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138
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Preparation and Characterization of Plasma-Derived Fibrin Hydrogels Modified by Alginate di-Aldehyde. Int J Mol Sci 2022; 23:ijms23084296. [PMID: 35457113 PMCID: PMC9029004 DOI: 10.3390/ijms23084296] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 04/07/2022] [Accepted: 04/12/2022] [Indexed: 12/04/2022] Open
Abstract
Fibrin hydrogels are one of the most popular scaffolds used in tissue engineering due to their excellent biological properties. Special attention should be paid to the use of human plasma-derived fibrin hydrogels as a 3D scaffold in the production of autologous skin grafts, skeletal muscle regeneration and bone tissue repair. However, mechanical weakness and rapid degradation, which causes plasma-derived fibrin matrices to shrink significantly, prompted us to improve their stability. In our study, plasma-derived fibrin was chemically bonded to oxidized alginate (alginate di-aldehyde, ADA) at 10%, 20%, 50% and 80% oxidation, by Schiff base formation, to produce natural hydrogels for tissue engineering applications. First, gelling time studies showed that the degree of ADA oxidation inhibits fibrin polymerization, which we associate with fiber increment and decreased fiber density; moreover, the storage modulus increased when increasing the final volume of CaCl2 (1% w/v) from 80 µL to 200 µL per milliliter of hydrogel. The contraction was similar in matrices with and without human primary fibroblasts (hFBs). In addition, proliferation studies with encapsulated hFBs showed an increment in cell viability in hydrogels with ADA at 10% oxidation at days 1 and 3 with 80 µL of CaCl2; by increasing this compound (CaCl2), the proliferation does not significantly increase until day 7. In the presence of 10% alginate oxidation, the proliferation results are similar to the control, in contrast to the sample with 20% oxidation whose proliferation decreases. Finally, the viability studies showed that the hFB morphology was maintained regardless of the degree of oxidation used; however, the quantity of CaCl2 influences the spread of the hFBs.
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139
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Lymphatic Tissue Bioengineering for the Treatment of Postsurgical Lymphedema. BIOENGINEERING (BASEL, SWITZERLAND) 2022; 9:bioengineering9040162. [PMID: 35447722 PMCID: PMC9025804 DOI: 10.3390/bioengineering9040162] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 03/17/2022] [Accepted: 03/20/2022] [Indexed: 01/28/2023]
Abstract
Lymphedema is characterized by progressive and chronic tissue swelling and inflammation from local accumulation of interstitial fluid due to lymphatic injury or dysfunction. It is a debilitating condition that significantly impacts a patient's quality of life, and has limited treatment options. With better understanding of the molecular mechanisms and pathophysiology of lymphedema and advances in tissue engineering technologies, lymphatic tissue bioengineering and regeneration have emerged as a potential therapeutic option for postsurgical lymphedema. Various strategies involving stem cells, lymphangiogenic factors, bioengineered matrices and mechanical stimuli allow more precisely controlled regeneration of lymphatic tissue at the site of lymphedema without subjecting patients to complications or iatrogenic injuries associated with surgeries. This review provides an overview of current innovative approaches of lymphatic tissue bioengineering that represent a promising treatment option for postsurgical lymphedema.
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140
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Zhang S, Cheng Y, Guo P, Chen SJ. VfoldMCPX: predicting multistrand RNA complexes. RNA (NEW YORK, N.Y.) 2022; 28:596-608. [PMID: 35058350 PMCID: PMC8925972 DOI: 10.1261/rna.079020.121] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 01/10/2022] [Indexed: 06/14/2023]
Abstract
Multistrand RNA complexes play a critical role in RNA-related biological processes. The understanding of RNA functions and the rational design of RNA nanostructures require accurate prediction of the structure and folding stability of the complexes, including those containing pseudoknots. Here, we present VfoldMCPX, a new model for predicting two-dimensional (2D) structures and folding stabilities of multistrand RNA complexes. Based on a partition function-based algorithm combined with physical loop free energy parameters, the VfoldMCPX model predicts not only the native structure but also the folding stability of the complex. An important advantage of the model is the ability to treat pseudoknotted structures. Extensive tests on structure predictions show the VfoldMCPX model provides improved accuracy for multistranded RNA complexes, especially for RNA complexes with three or more strands and/or containing pseudoknots. We have developed a freely accessible VfoldMCPX web server at http://rna.physics.missouri.edu/vfoldMCPX2.
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Affiliation(s)
- Sicheng Zhang
- Department of Physics, Department of Biochemistry, and Institute for Data Science and Informatics, University of Missouri, Columbia, Missouri 65211, USA
| | - Yi Cheng
- Department of Physics, Department of Biochemistry, and Institute for Data Science and Informatics, University of Missouri, Columbia, Missouri 65211, USA
| | - Peixuan Guo
- Center for RNA Nanobiotechnology and Nanomedicine, College of Pharmacy, Dorothy M. Davis Heart and Lung Research Institute, James Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio 43210, USA
| | - Shi-Jie Chen
- Department of Physics, Department of Biochemistry, and Institute for Data Science and Informatics, University of Missouri, Columbia, Missouri 65211, USA
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141
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Foster NC, Hall NM, El Haj AJ. Two-Dimensional and Three-Dimensional Cartilage Model Platforms for Drug Evaluation and High-Throughput Screening Assays. TISSUE ENGINEERING. PART B, REVIEWS 2022; 28:421-436. [PMID: 34010074 PMCID: PMC7612674 DOI: 10.1089/ten.teb.2020.0354] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Osteoarthritis (OA) is a severely painful and debilitating disease of the joint, which brings about degradation of the articular cartilage and currently has few therapeutic solutions. Two-dimensional (2D) high-throughput screening (HTS) assays have been widely used to identify candidate drugs with therapeutic potential for the treatment of OA. A number of small molecules which improve the chondrogenic differentiation of progenitor cells for tissue engineering applications have also been discovered in this way. However, due to the failure of these models to accurately represent the native joint environment, the efficacy of these drugs has been limited in vivo. Screening systems utilizing three-dimensional (3D) models, which more closely reflect the tissue and its complex cell and molecular interactions, have also been described. However, the vast majority of these systems fail to recapitulate the complex, zonal structure of articular cartilage and its unique cell population. This review summarizes current 2D HTS techniques and addresses the question of how to use existing 3D models of tissue-engineered cartilage to create 3D drug screening platforms with improved outcomes. Impact statement Currently, the use of two-dimensional (2D) screening platforms in drug discovery is common practice. However, these systems often fail to predict efficacy in vivo, as they do not accurately represent the complexity of the native three-dimensional (3D) environment. This article describes existing 2D and 3D high-throughput systems used to identify small molecules for osteoarthritis treatment or in vitro chondrogenic differentiation, and suggests ways to improve the efficacy of these systems based on the most recent research.
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Affiliation(s)
| | - Nicole M Hall
- Division of Biomedical Engineering, James Watt School of Engineering, University of Glasgow, Glasgow, United Kingdom
| | - Alicia J El Haj
- Healthcare Technologies Institute, Institute of Translational Medicine, University of Birmingham, Edgbaston, B15 2TH
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142
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Agarwal A, Rao GK, Majumder S, Shandilya M, Rawat V, Purwar R, Verma M, Srivastava CM. Natural protein-based electrospun nanofibers for advanced healthcare applications: progress and challenges. 3 Biotech 2022; 12:92. [PMID: 35342680 PMCID: PMC8921418 DOI: 10.1007/s13205-022-03152-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Accepted: 02/16/2022] [Indexed: 02/07/2023] Open
Abstract
Electrospinning is an electrostatic fiber fabrication technique that operates by the application of a strong electric field on polymer solution or melts. It is used to fabricate fibers whose size lies in the range of few microns to the nanometer range. Historic development of electrospinning has evinced attention due to its outstanding attributes such as small diameter, excellent pore inter-connectivity, high porosity, and high surface-to-volume ratio. This review aims to highlight the theory behind electrospinning and the machine setup with a detailed discussion about the processing parameters. It discusses the latest innovations in natural protein-based electrospun nanofibers for health care applications. Various plant- and animal-based proteins have been discussed with detailed sample preparation and corresponding processing parameters. The usage of these electrospun nanofibers in regenerative medicine and drug delivery has also been discussed. Some technical innovations in electrospinning techniques such as emulsion electrospinning and coaxial electrospinning have been highlighted. Coaxial electrospun core-shell nanofibers have the potential to be utilized as an advanced nano-architecture for sustained release targeted delivery as well as for regenerative medicine. Healthcare applications of nanofibers formed via emulsion and coaxial electrospinning have been discussed briefly. Electrospun nanofibers have still much scope for commercialization on large scale. Some of the available wound-dressing materials have been discussed in brief.
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Affiliation(s)
- Anushka Agarwal
- Department of Chemistry, Biochemistry and Forensic Science, Amity School of Applied Sciences, Amity University Haryana, Gurugram, 122413 India
| | - Gyaneshwar K. Rao
- Department of Chemistry, Biochemistry and Forensic Science, Amity School of Applied Sciences, Amity University Haryana, Gurugram, 122413 India
| | - Sudip Majumder
- Department of Chemistry, Biochemistry and Forensic Science, Amity School of Applied Sciences, Amity University Haryana, Gurugram, 122413 India
| | - Manish Shandilya
- Department of Chemistry, Biochemistry and Forensic Science, Amity School of Applied Sciences, Amity University Haryana, Gurugram, 122413 India
| | - Varun Rawat
- Department of Chemistry, Biochemistry and Forensic Science, Amity School of Applied Sciences, Amity University Haryana, Gurugram, 122413 India
| | - Roli Purwar
- Department of Applied Chemistry, Delhi Technological University, New Delhi, Delhi 110042 India
| | - Monu Verma
- Department of Environmental Engineering, University of Seoul, Seoul, 130743 South Korea
| | - Chandra Mohan Srivastava
- Department of Chemistry, Biochemistry and Forensic Science, Amity School of Applied Sciences, Amity University Haryana, Gurugram, 122413 India
- Centre for Polymer Technology, Amity School of Applied Sciences, Amity University Haryana, Gurugram, 122413 India
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143
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144
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Guérineau NC, Campos P, Le Tissier PR, Hodson DJ, Mollard P. Cell Networks in Endocrine/Neuroendocrine Gland Function. Compr Physiol 2022; 12:3371-3415. [PMID: 35578964 DOI: 10.1002/cphy.c210031] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Reproduction, growth, stress, and metabolism are determined by endocrine/neuroendocrine systems that regulate circulating hormone concentrations. All these systems generate rhythms and changes in hormone pulsatility observed in a variety of pathophysiological states. Thus, the output of endocrine/neuroendocrine systems must be regulated within a narrow window of effective hormone concentrations but must also maintain a capacity for plasticity to respond to changing physiological demands. Remarkably most endocrinologists still have a "textbook" view of endocrine gland organization which has emanated from 20th century histological studies on thin 2D tissue sections. However, 21st -century technological advances, including in-depth 3D imaging of specific cell types have vastly changed our knowledge. We now know that various levels of multicellular organization can be found across different glands, that organizational motifs can vary between species and can be modified to enhance or decrease hormonal release. This article focuses on how the organization of cells regulates hormone output using three endocrine/neuroendocrine glands that present different levels of organization and complexity: the adrenal medulla, with a single neuroendocrine cell type; the anterior pituitary, with multiple intermingled cell types; and the pancreas with multiple intermingled cell types organized into distinct functional units. We give an overview of recent methodologies that allow the study of the different components within endocrine systems, particularly their temporal and spatial relationships. We believe the emerging findings about network organization, and its impact on hormone secretion, are crucial to understanding how homeostatic regulation of endocrine axes is carried out within endocrine organs themselves. © 2022 American Physiological Society. Compr Physiol 12:3371-3415, 2022.
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Affiliation(s)
| | - Pauline Campos
- College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, UK
| | - Paul R Le Tissier
- Centre for Discovery Brain Sciences, University of Edinburgh, Edinburgh, Scotland, UK
| | - David J Hodson
- Institute of Metabolism and Systems Research (IMSR), University of Birmingham, Edgbaston, UK.,Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham, UK.,COMPARE University of Birmingham and University of Nottingham Midlands, UK.,Oxford Centre for Diabetes, Endocrinology and Metabolism (OCDEM), NIHR Oxford Biomedical Research Centre, Churchill Hospital, Radcliffe Department of Medicine, University of Oxford, Oxford, UK
| | - Patrice Mollard
- IGF, University of Montpellier, CNRS, INSERM, Montpellier, France
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145
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Langella A, Gadau SD, Serra E, Bebbere D, Ledda S. Microtubular Assessment of C6 Rat Glioma Cell Spheroids Developed in Transparent Liquid Marbles or Hanging Drops. BIOLOGY 2022; 11:biology11040492. [PMID: 35453692 PMCID: PMC9031767 DOI: 10.3390/biology11040492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 03/16/2022] [Accepted: 03/22/2022] [Indexed: 11/16/2022]
Abstract
Glioblastoma is a brain tumour frequently used as an experimental model to exploit innovative therapeutic approaches due to its high lethality and refractoriness to therapies. Part of these innovative anticancer therapies address cytoskeletal microtubules (MTs) since specific tubulin post-translational modifications (PTMs) are considered markers of tumour plasticity. In vitro studies, which traditionally employ two-dimensional (2D) culture systems, are now being replaced by three-dimensional (3D) systems that more closely mimic in vivo physiological conditions and allow a better understanding of the signalling between cells. In this work, we compared 2 liquid base 3D methods for the generation of spheroids from C6 rat glioma cells (RGCs) using 30 µL of liquid marble (LM) or the hanging drops (HDs), which contained 2 different cell numbers (5000 or 15,000). After 24 or 48 h of in vitro culture (IVC), the morphology of the spheroids was observed and the behaviour of the two main tubulin PTMs, tyrosinated α-tubulin (Tyr-T) and acetylated α-tubulin (Ac-T), was evaluated by fluorescence and Western blot (WB). RGCs spontaneously formed spherical agglomerates more rapidly in the LM than in the HD system. Cell density influenced the size of the spheroids, which reached a larger size (> of 300 µm Ø), with 15,000 cells compared to 5000 cells (150 µm Ø). Moreover, an increase in Tyr-T and Ac-T was observed in both the HD and LM system from 24 to 48 h, with the highest values shown in the 48 h/LM spheroids of 5000 cells (p < 0.05). In conclusion, by comparing the morphology and microtubular architecture of spheroids from C6 rat glioma cells developed by LM or HD methodology, our findings demonstrate that the use of a fumed silica microbioreactor boosts the induction and maintenance of a high plasticity state in glioma cells. RGCs cultured in LM express levels of tubulin PTMs that can be used to evaluate the efficacy of new anticancer therapies.
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146
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Dsouza VL, Kuthethur R, Kabekkodu SP, Chakrabarty S. Organ-on-Chip platforms to study tumor evolution and chemosensitivity. Biochim Biophys Acta Rev Cancer 2022; 1877:188717. [PMID: 35304293 DOI: 10.1016/j.bbcan.2022.188717] [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: 10/19/2021] [Revised: 03/10/2022] [Accepted: 03/11/2022] [Indexed: 10/18/2022]
Abstract
Despite tremendous advancements in oncology research and therapeutics, cancer remains a primary cause of death worldwide. One of the significant factors in this critical challenge is a precise diagnosis and limited knowledge on how the tumor microenvironment (TME) behaves to the treatment and its role in chemo-resistance. Therefore, it is critical to understand the contribution of a heterogeneous TME in cancer drug response in individual patients for effective therapy management. Micro-physiological systems along with tissue engineering have facilitated the development of more physiologically relevant platforms, known as Organ-on-Chips (OoC). OoC platforms recapitulate the critical hallmarks of the TME in vitro and subsequently abet in sensitivity and efficacy testing of anti-cancer drugs before clinical trials. The OoC platforms incorporating conventional in vitro models enable researchers to control the cellular, molecular, chemical, and biophysical parameters of the TME in precise combinations while analyzing how they contribute to tumor progression and therapy response. This review discusses the application of OoC platforms integrated with conventional 2D cell lines, 3D organoids and spheroid models, and the organotypic tissue slices, including patient-derived and xenograft tumor slice cultures in cancer treatment responses. We summarize the relevance and drawbacks of conventional in vitro models in assessing cancer treatment response, challenges and limitations associated with OoC models, and future opportunities enabled by the OoC technologies towards developing personalized cancer diagnostics and therapeutics.
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Affiliation(s)
- Venzil Lavie Dsouza
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India
| | - Raviprasad Kuthethur
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India
| | - Shama Prasada Kabekkodu
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India
| | - Sanjiban Chakrabarty
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India.
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147
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Kanabekova P, Kadyrova A, Kulsharova G. Microfluidic Organ-on-a-Chip Devices for Liver Disease Modeling In Vitro. MICROMACHINES 2022; 13:428. [PMID: 35334720 PMCID: PMC8950395 DOI: 10.3390/mi13030428] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 03/05/2022] [Accepted: 03/08/2022] [Indexed: 12/12/2022]
Abstract
Mortality from liver disease conditions continues to be very high. As liver diseases manifest and progress silently, prompt measures after diagnosis are essential in the treatment of these conditions. Microfluidic organs-on-chip platforms have significant potential for the study of the pathophysiology of liver diseases in vitro. Different liver-on-a-chip microphysiological platforms have been reported to study cell-signaling pathways such as those activating stellate cells within liver diseases. Moreover, the drug efficacy for liver conditions might be evaluated on a cellular metabolic level. Here, we present a comprehensive review of microphysiological platforms used for modelling liver diseases. First, we briefly introduce the concept and importance of organs-on-a-chip in studying liver diseases in vitro, reflecting on existing reviews of healthy liver-on-a-chip platforms. Second, the techniques of cell cultures used in the microfluidic devices, including 2D, 3D, and spheroid cells, are explained. Next, the types of liver diseases (NAFLD, ALD, hepatitis infections, and drug injury) on-chip are explained for a further comprehensive overview of the design and methods of developing liver diseases in vitro. Finally, some challenges in design and existing solutions to them are reviewed.
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Affiliation(s)
- Perizat Kanabekova
- School of Engineering and Digital Sciences, Nazarbayev University, Nur-Sultan 010000, Kazakhstan;
| | - Adina Kadyrova
- Department of Biological Sciences, School of Sciences and Humanities, Nazarbayev University, Nur-Sultan 010000, Kazakhstan;
| | - Gulsim Kulsharova
- School of Engineering and Digital Sciences, Nazarbayev University, Nur-Sultan 010000, Kazakhstan;
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148
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β-Sheet to Random Coil Transition in Self-Assembling Peptide Scaffolds Promotes Proteolytic Degradation. Biomolecules 2022; 12:biom12030411. [PMID: 35327603 PMCID: PMC8945919 DOI: 10.3390/biom12030411] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 02/25/2022] [Accepted: 03/05/2022] [Indexed: 12/20/2022] Open
Abstract
One of the most desirable properties that biomaterials designed for tissue engineering or drug delivery applications should fulfill is biodegradation and resorption without toxicity. Therefore, there is an increasing interest in the development of biomaterials able to be enzymatically degraded once implanted at the injury site or once delivered to the target organ. In this paper, we demonstrate the protease sensitivity of self-assembling amphiphilic peptides, in particular, RAD16-I (AcN-RADARADARADARADA-CONH2), which contains four potential cleavage sites for trypsin. We detected that when subjected to thermal denaturation, the peptide secondary structure suffers a transition from β-sheet to random coil. We also used Matrix-Assisted Laser Desorption/Ionization-Time-Of-Flight (MALDI-TOF) to detect the proteolytic breakdown products of samples subjected to incubation with trypsin as well as atomic force microscopy (AFM) to visualize the effect of the degradation on the nanofiber scaffold. Interestingly, thermally treated samples had a higher extent of degradation than non-denatured samples, suggesting that the transition from β-sheet to random coil leaves the cleavage sites accessible and susceptible to protease degradation. These results indicate that the self-assembling peptide can be reduced to short peptide sequences and, subsequently, degraded to single amino acids, constituting a group of naturally biodegradable materials optimal for their application in tissue engineering and regenerative medicine.
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149
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Foglietta F, Panzanelli P, Serpe L, Canaparo R. Exploiting Shock Waves to Trigger the Anticancer Sonodynamic Activity of 5-Aminolevulinc Acid-Derived Protoporphyrin IX on In Vitro 2D and 3D Cancer Models. Biomedicines 2022; 10:615. [PMID: 35327417 PMCID: PMC8944964 DOI: 10.3390/biomedicines10030615] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 03/01/2022] [Accepted: 03/04/2022] [Indexed: 11/16/2022] Open
Abstract
Sonodynamic therapy (SDT) is a noninvasive method for cancer treatment based on selective activation of a sonosensitiser by ultrasound (US), which results in the generation of reactive oxygen species (ROS) and cancer cell death. SDT uses a similar approach to photodynamic therapy (PDT), but can overcome the main drawback of PDT, i.e., poor tissue penetration of light. This research work investigated the anticancer effect of SDT on various two- (2D) and three-dimensional (3D) in vitro tumour models, using PDT as a reference treatment. Sonodynamic experiments were performed with pulsed US, specifically with shock waves (SW) and the prodrug 5-aminolevulinic acid (Ala), which is converted-at the mitochondrial level-into the sonosensitiser protoporphyrin IX (PPIX). SW-mediated PPIX sonodynamic activation resulted in a significant decrease in cell proliferation, especially on human fibrosarcoma (HT-1080) cells, where PPIX accumulation was higher compared to human melanoma (A2058) and neuroblastoma (SH-SY5 Y) cells. Moreover, SW-mediated SDT showed significant ROS generation, cell line-dependent in its amount, probably due to differences in Ala-induced PPIX synthesis. In all cancer cell lines, apoptosis was highlighted as the main cancer cell death pathway determined by SW-mediated SDT, along with significant cytochrome c release, and a consequent increase in DNA damage. The efficacy of SDT with SW and Ala in halting cancer cell proliferation was also confirmed in 3D cancer spheroids. The present study suggests that SW-mediated SDT is a valuable approach to slow down tumour proliferation, thus opening an innovative scenario in cancer treatment.
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Affiliation(s)
- Federica Foglietta
- Department of Drug Science and Technology, University of Torino, Via Pietro Giuria 13, 10125 Torino, Italy; (F.F.); (R.C.)
| | - Patrizia Panzanelli
- Department of Neuroscience Rita Levi Montalcini, University of Torino, Via Cherasco 15, 10126 Torino, Italy;
| | - Loredana Serpe
- Department of Drug Science and Technology, University of Torino, Via Pietro Giuria 13, 10125 Torino, Italy; (F.F.); (R.C.)
| | - Roberto Canaparo
- Department of Drug Science and Technology, University of Torino, Via Pietro Giuria 13, 10125 Torino, Italy; (F.F.); (R.C.)
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150
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Marei I, Abu Samaan T, Al-Quradaghi MA, Farah AA, Mahmud SH, Ding H, Triggle CR. 3D Tissue-Engineered Vascular Drug Screening Platforms: Promise and Considerations. Front Cardiovasc Med 2022; 9:847554. [PMID: 35310996 PMCID: PMC8931492 DOI: 10.3389/fcvm.2022.847554] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Accepted: 02/03/2022] [Indexed: 12/12/2022] Open
Abstract
Despite the efforts devoted to drug discovery and development, the number of new drug approvals have been decreasing. Specifically, cardiovascular developments have been showing amongst the lowest levels of approvals. In addition, concerns over the adverse effects of drugs to the cardiovascular system have been increasing and resulting in failure at the preclinical level as well as withdrawal of drugs post-marketing. Besides factors such as the increased cost of clinical trials and increases in the requirements and the complexity of the regulatory processes, there is also a gap between the currently existing pre-clinical screening methods and the clinical studies in humans. This gap is mainly caused by the lack of complexity in the currently used 2D cell culture-based screening systems, which do not accurately reflect human physiological conditions. Cell-based drug screening is widely accepted and extensively used and can provide an initial indication of the drugs' therapeutic efficacy and potential cytotoxicity. However, in vitro cell-based evaluation could in many instances provide contradictory findings to the in vivo testing in animal models and clinical trials. This drawback is related to the failure of these 2D cell culture systems to recapitulate the human physiological microenvironment in which the cells reside. In the body, cells reside within a complex physiological setting, where they interact with and respond to neighboring cells, extracellular matrix, mechanical stress, blood shear stress, and many other factors. These factors in sum affect the cellular response and the specific pathways that regulate variable vital functions such as proliferation, apoptosis, and differentiation. Although pre-clinical in vivo animal models provide this level of complexity, cross species differences can also cause contradictory results from that seen when the drug enters clinical trials. Thus, there is a need to better mimic human physiological conditions in pre-clinical studies to improve the efficiency of drug screening. A novel approach is to develop 3D tissue engineered miniaturized constructs in vitro that are based on human cells. In this review, we discuss the factors that should be considered to produce a successful vascular construct that is derived from human cells and is both reliable and reproducible.
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Affiliation(s)
- Isra Marei
- Department of Pharmacology, Weill Cornell Medicine-Qatar, Doha, Qatar
- National Heart and Lung Institute, Imperial College London, London, United Kingdom
- *Correspondence: Isra Marei
| | - Tala Abu Samaan
- Department of Pharmacology, Weill Cornell Medicine-Qatar, Doha, Qatar
| | | | - Asmaa A. Farah
- Department of Pharmacology, Weill Cornell Medicine-Qatar, Doha, Qatar
| | | | - Hong Ding
- Department of Pharmacology, Weill Cornell Medicine-Qatar, Doha, Qatar
| | - Chris R. Triggle
- Department of Pharmacology, Weill Cornell Medicine-Qatar, Doha, Qatar
- Chris R. Triggle
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