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Yves S, Ni X, Alù A. Topological sound in two dimensions. Ann N Y Acad Sci 2022; 1517:63-77. [PMID: 36069109 DOI: 10.1111/nyas.14885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Topology is the branch of mathematics studying the properties of an object that are preserved under continuous deformations. Quite remarkably, the powerful theoretical tools of topology have been applied over the past few years to study the electronic band structure of crystals. Topological band theory can explain and predict topological phase transitions in a material, and the unusual robustness of certain band structure shapes, such as Dirac cones, against small perturbations. These findings have also unveiled a new phase of matter-topological insulators-whose exotic transport properties at their boundaries are topologically protected against imperfections and disorder. The fascinating features of topological boundary states have triggered the search for their analogs in classical wave physics. Here, we focus on the peculiar features of two-dimensional topological insulators for sound and mechanical waves. Two-dimensional Dirac cones and phononic topological insulators can emerge under certain conditions in periodic acoustic metamaterials, demonstrating great potential for acoustic and mechanical systems to demonstrate, over a tabletop platform, complex fundamental phenomena driven by topological concepts. In addition, these discoveries offer a direct path toward new technologies for enhanced sound control and manipulation.
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Affiliation(s)
- Simon Yves
- Photonics Initiative, CUNY Advanced Science Research Center, City University of New York, New York, New York, USA
| | - Xiang Ni
- Photonics Initiative, CUNY Advanced Science Research Center, City University of New York, New York, New York, USA
| | - Andrea Alù
- Photonics Initiative, CUNY Advanced Science Research Center, City University of New York, New York, New York, USA.,Physics Program, Graduate Center, City University of New York, New York, New York, USA
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Ponzio RA, Ibarra LE, Achilli EE, Odella E, Chesta CA, Martínez SR, Palacios RE. Sweet light o' mine: Photothermal and photodynamic inactivation of tenacious pathogens using conjugated polymers. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2022; 234:112510. [PMID: 36049287 DOI: 10.1016/j.jphotobiol.2022.112510] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 06/20/2022] [Accepted: 07/02/2022] [Indexed: 06/15/2023]
Abstract
Each year a rising number of infections can not be successfully treated owing to the increasing pandemic of antibiotic resistant pathogens. The global shortage of innovative antibiotics fuels the emergence and spread of drug resistant microbes. Basic research, development, and applications of alternative therapies are urgently needed. Since the 90´s, light-mediated therapies have promised to be the next frontier combating multidrug-resistance microbes. These platforms have demonstrated to be a reliable, rapid, and efficient alternative to eliminate tenacious pathogens while avoiding the emergence of resistance mechanisms. Among the materials showing antimicrobial activity triggered by light, conjugated polymers (CPs) have risen as the most promising option to tackle this complex situation. These materials present outstanding characteristics such as high absorption coefficients, great photostability, easy processability, low cytotoxicity, among others, turning them into a powerful class of photosensitizer (PS)/photothermal agent (PTA) materials. Herein, we summarize and discuss the advances in the field of CPs with applications in photodynamic inactivation and photothermal therapy towards bacteria elimination. Additionally, a section of current challenges and needs in terms of well-defined benchmark experiments and conditions to evaluate the efficiency of phototherapies is presented.
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Affiliation(s)
- Rodrigo A Ponzio
- Instituto de Investigaciones en Tecnologías Energéticas y Materiales Avanzados (IITEMA), Universidad Nacional de Río Cuarto (UNRC), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Río Cuarto X5804BYA, Córdoba, Argentina; Departamento de Física, Facultad de Ciencias Exactas, Fisicoquímicas y Naturales, UNRC, Río Cuarto X5804BYA, Córdoba, Argentina
| | - Luis E Ibarra
- Instituto de Biotecnología Ambiental y Salud (INBIAS), UNRC y CONICET, Río Cuarto X5804BYA, Córdoba, Argentina; Departamento de Biología Molecular, Facultad de Ciencias Exactas, Fisicoquímicas y Naturales, UNRC, Río Cuarto X5804BYA, Córdoba, Argentina
| | - Estefanía E Achilli
- Laboratorio de Materiales Biotecnológicos (LaMaBio), Universidad Nacional de Quilmes-IMBICE (CONICET), Bernal B1876BXD, Argentina
| | - Emmanuel Odella
- Instituto de Investigaciones en Tecnologías Energéticas y Materiales Avanzados (IITEMA), Universidad Nacional de Río Cuarto (UNRC), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Río Cuarto X5804BYA, Córdoba, Argentina; Departamento de Química, Facultad de Ciencias Exactas, Fisicoquímicas y Naturales, UNRC, Río Cuarto X5804BYA, Córdoba, Argentina
| | - Carlos A Chesta
- Instituto de Investigaciones en Tecnologías Energéticas y Materiales Avanzados (IITEMA), Universidad Nacional de Río Cuarto (UNRC), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Río Cuarto X5804BYA, Córdoba, Argentina; Departamento de Química, Facultad de Ciencias Exactas, Fisicoquímicas y Naturales, UNRC, Río Cuarto X5804BYA, Córdoba, Argentina.
| | - Sol R Martínez
- Instituto de Investigaciones en Tecnologías Energéticas y Materiales Avanzados (IITEMA), Universidad Nacional de Río Cuarto (UNRC), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Río Cuarto X5804BYA, Córdoba, Argentina; Departamento de Química, Facultad de Ciencias Exactas, Fisicoquímicas y Naturales, UNRC, Río Cuarto X5804BYA, Córdoba, Argentina.
| | - Rodrigo E Palacios
- Instituto de Investigaciones en Tecnologías Energéticas y Materiales Avanzados (IITEMA), Universidad Nacional de Río Cuarto (UNRC), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Río Cuarto X5804BYA, Córdoba, Argentina; Departamento de Química, Facultad de Ciencias Exactas, Fisicoquímicas y Naturales, UNRC, Río Cuarto X5804BYA, Córdoba, Argentina.
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53
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Emerging biotechnology applications in natural product and synthetic pharmaceutical analyses. Acta Pharm Sin B 2022; 12:4075-4097. [DOI: 10.1016/j.apsb.2022.08.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 08/02/2022] [Accepted: 08/22/2022] [Indexed: 11/15/2022] Open
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Natsuhara D, Saito R, Okamoto S, Nagai M, Shibata T. Mixing Performance of a Planar Asymmetric Contraction-and-Expansion Micromixer. MICROMACHINES 2022; 13:1386. [PMID: 36144009 PMCID: PMC9504961 DOI: 10.3390/mi13091386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 08/19/2022] [Accepted: 08/22/2022] [Indexed: 06/16/2023]
Abstract
Micromixers are one of the critical components in microfluidic devices. They significantly affect the efficiency and sensitivity of microfluidics-based lab-on-a-chip systems. This study introduces an efficient micromixer with a simple geometrical feature that enables easy incorporation in a microchannel network without compromising the original design of microfluidic devices. The study proposes a newly designed planar passive micromixer, termed a planar asymmetric contraction-and-expansion (P-ACE) micromixer, with asymmetric vertical obstacle structures. Numerical simulation and experimental investigation revealed that the optimally designed P-ACE micromixer exhibited a high mixing efficiency of 80% or more within a microchannel length of 10 mm over a wide range of Reynolds numbers (0.13 ≤ Re ≤ 13), eventually attaining approximately 90% mixing efficiency within a 20 mm microchannel length. The highly asymmetric geometric features of the P-ACE micromixers enhance mixing because of their synergistic effects. The flow velocities and directions of the two fluids change differently while alternately crossing the longitudinal centerline of the microchannel, with the obstacle structures asymmetrically arranged on both sidewalls of the rectangular microchannel. This flow behavior increases the interfacial contact area between the two fluids, thus promoting effective mixing in the P-ACE micromixer. Further, the pressure drops in the P-ACE micromixers were experimentally investigated and compared with those in a serpentine micromixer with a perfectly symmetric mixing unit.
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55
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Liu S, Zhao K, Huang M, Zeng M, Deng Y, Li S, Chen H, Li W, Chen Z. Research progress on detection techniques for point-of-care testing of foodborne pathogens. Front Bioeng Biotechnol 2022; 10:958134. [PMID: 36003541 PMCID: PMC9393618 DOI: 10.3389/fbioe.2022.958134] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 06/30/2022] [Indexed: 11/21/2022] Open
Abstract
The global burden of foodborne disease is enormous and foodborne pathogens are the leading cause of human illnesses. The detection of foodborne pathogenic bacteria has become a research hotspot in recent years. Rapid detection methods based on immunoassay, molecular biology, microfluidic chip, metabolism, biosensor, and mass spectrometry have developed rapidly and become the main methods for the detection of foodborne pathogens. This study reviewed a variety of rapid detection methods in recent years. The research advances are introduced based on the above technical methods for the rapid detection of foodborne pathogenic bacteria. The study also discusses the limitations of existing methods and their advantages and future development direction, to form an overall understanding of the detection methods, and for point-of-care testing (POCT) applications to accurately and rapidly diagnose and control diseases.
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Affiliation(s)
- Sha Liu
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, Hunan University of Technology, Zhuzhou, China
| | - Kaixuan Zhao
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, Hunan University of Technology, Zhuzhou, China
| | - Meiyuan Huang
- Zhuzhou Hospital Affiliated to Xiangya School of Medicine, Department of Pathology, Central South University, Zhuzhou, China
| | - Meimei Zeng
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, Hunan University of Technology, Zhuzhou, China
| | - Yan Deng
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, Hunan University of Technology, Zhuzhou, China
| | - Song Li
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, Hunan University of Technology, Zhuzhou, China
| | - Hui Chen
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, Hunan University of Technology, Zhuzhou, China
| | - Wen Li
- College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, China
| | - Zhu Chen
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, Hunan University of Technology, Zhuzhou, China
- *Correspondence: Zhu Chen,
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56
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Karakuzu B, Tarim EA, Oksuz C, Tekin HC. An Electromechanical Lab-on-a-Chip Platform for Colorimetric Detection of Serum Creatinine. ACS OMEGA 2022; 7:25837-25843. [PMID: 35910133 PMCID: PMC9330075 DOI: 10.1021/acsomega.2c03354] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 07/06/2022] [Indexed: 06/15/2023]
Abstract
Chronic kidney disease (CKD) is a high-cost disease that affects approximately one in ten people globally, progresses rapidly, results in kidney failure or dialysis, and triggers other diseases. Although clinically used serum creatinine tests are used to evaluate kidney functions, these tests are not suitable for frequent and regular control at-home settings that obstruct the regular monitoring of kidney functions, improving CKD management with early intervention. This study introduced a new electromechanical lab-on-a-chip platform for point-of-care detection of serum creatinine levels using colorimetric enzyme-linked immunosorbent assay (ELISA). The platform was composed of a chip containing microreservoirs, a stirring bar coated with creatinine-specific antibodies, and a phone to detect color generated via ELISA protocols to evaluate creatinine levels. An electromechanical system was used to move the stirring bar to different microreservoirs and stir it inside them to capture and detect serum creatinine in the sample. The presented platform allowed automated analysis of creatinine in ∼50 min down to ∼1 and ∼2 mg/dL in phosphate-buffered saline (PBS) and fetal bovine serum (FBS), respectively. Phone camera measurements in hue, saturation, value (HSV) space showed sensitive analysis compared to a benchtop spectrophotometer that could allow low-cost analysis at point-of-care.
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Affiliation(s)
- Betul Karakuzu
- Department
of Bioengineering, Izmir Institute of Technology, Izmir 35430, Turkey
| | - Ergun Alperay Tarim
- Department
of Bioengineering, Izmir Institute of Technology, Izmir 35430, Turkey
| | - Cemre Oksuz
- Department
of Bioengineering, Izmir Institute of Technology, Izmir 35430, Turkey
| | - H. Cumhur Tekin
- Department
of Bioengineering, Izmir Institute of Technology, Izmir 35430, Turkey
- METU
MEMS Center, Ankara 06520, Turkey
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Koch EV, Ledwig V, Bendas S, Reichl S, Dietzel A. Tissue Barrier-on-Chip: A Technology for Reproducible Practice in Drug Testing. Pharmaceutics 2022; 14:pharmaceutics14071451. [PMID: 35890346 PMCID: PMC9323870 DOI: 10.3390/pharmaceutics14071451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 06/29/2022] [Accepted: 07/07/2022] [Indexed: 12/03/2022] Open
Abstract
One key application of organ-on-chip systems is the examination of drug transport and absorption through native cell barriers such the blood–brain barrier. To overcome previous hurdles related to the transferability of existing static cell cultivation protocols and polydimethylsiloxane (PDMS) as the construction material, a chip platform with key innovations for practical use in drug-permeation testing is presented. First, the design allows for the transfer of barrier-forming tissue into the microfluidic system after cells have been seeded on porous polymer or Si3N4 membranes. From this, we can follow highly reproducible models and cultivation protocols established for static drug testing, from coating the membrane to seeding the cells and cell analysis. Second, the perfusion system is a microscopable glass chip with two fluid compartments with transparent embedded electrodes separated by the membrane. The reversible closure in a clamping adapter requires only a very thin PDMS sealing with negligible liquid contact, thereby eliminating well-known disadvantages of PDMS, such as its limited usability in the quantitative measurements of hydrophobic drug molecule concentrations. Equipped with tissue transfer capabilities, perfusion chamber inertness and air bubble trapping, and supplemented with automated fluid control, the presented system is a promising platform for studying established in vitro models of tissue barriers under reproducible microfluidic perfusion conditions.
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Affiliation(s)
- Eugen V. Koch
- Institute of Microtechnology, TU Braunschweig, Alte Salzdahlumer Str. 203, 38124 Braunschweig, Germany;
- Center of Pharmaceutical Engineering (PVZ), TU Braunschweig, Franz-Liszt-Straße 35 A, 38106 Braunschweig, Germany; (V.L.); (S.B.); (S.R.)
- Correspondence: ; Tel.: +49-0531-391-9788
| | - Verena Ledwig
- Center of Pharmaceutical Engineering (PVZ), TU Braunschweig, Franz-Liszt-Straße 35 A, 38106 Braunschweig, Germany; (V.L.); (S.B.); (S.R.)
- Institute of Pharmaceutical Technology and Biopharmaceutics, TU Braunschweig, Mendelssohnstrasse 1, 38106 Braunschweig, Germany
| | - Sebastian Bendas
- Center of Pharmaceutical Engineering (PVZ), TU Braunschweig, Franz-Liszt-Straße 35 A, 38106 Braunschweig, Germany; (V.L.); (S.B.); (S.R.)
- Institute of Pharmaceutical Technology and Biopharmaceutics, TU Braunschweig, Mendelssohnstrasse 1, 38106 Braunschweig, Germany
| | - Stephan Reichl
- Center of Pharmaceutical Engineering (PVZ), TU Braunschweig, Franz-Liszt-Straße 35 A, 38106 Braunschweig, Germany; (V.L.); (S.B.); (S.R.)
- Institute of Pharmaceutical Technology and Biopharmaceutics, TU Braunschweig, Mendelssohnstrasse 1, 38106 Braunschweig, Germany
| | - Andreas Dietzel
- Institute of Microtechnology, TU Braunschweig, Alte Salzdahlumer Str. 203, 38124 Braunschweig, Germany;
- Center of Pharmaceutical Engineering (PVZ), TU Braunschweig, Franz-Liszt-Straße 35 A, 38106 Braunschweig, Germany; (V.L.); (S.B.); (S.R.)
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58
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Analytical Modeling of a New Compliant Microsystem for Atherectomy Operations. MICROMACHINES 2022; 13:mi13071094. [PMID: 35888911 PMCID: PMC9323221 DOI: 10.3390/mi13071094] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 07/03/2022] [Accepted: 07/05/2022] [Indexed: 02/01/2023]
Abstract
This work offers a new alternative tool for atherectomy operations, with the purpose of minimizing the risks for the patients and maximizing the number of clinical cases for which the system can be used, thanks to the possibility of scaling its size down to lumen reduced to a few tenths of mm. The development of this microsystem has presented a certain theoretical work during the kinematic synthesis and the design stages. In the first stage a new multi-loop mechanism with a Stephenson’s kinematic chain (KC) was found and then adopted as the so-called pseudo-rigid body mechanism (PRBM). Analytical modeling was necessary to verify the synthesis requirements. In the second stage, the joint replacement method was applied to the PRBM to obtain a corresponding and equivalent compliant mechanism with lumped compliance. The latter presents two loops and six elastic joints and so the evaluation of the microsystem mechanical advantage (MA) had to be calculated by taking into account the accumulation of elastic energy in the elastic joints. Hence, a new closed form expression of the microsystem MA was found with a method that presents some new aspects in the approach. The results obtained with Finite Element Analysis (FEA) were compared to those obtained with the analytical model. Finally, it is worth noting that a microsystem prototype can be fabricated by using MEMS Technology classical methods, while the microsystem packaging could be a further development for the present investigation.
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Azizipour N, Avazpour R, Sawan M, Ajji A, H Rosenzweig D. Surface Optimization and Design Adaptation toward Spheroid Formation On-Chip. SENSORS (BASEL, SWITZERLAND) 2022; 22:s22093191. [PMID: 35590879 DOI: 10.1039/d2sd00004k] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 04/07/2022] [Accepted: 04/19/2022] [Indexed: 05/27/2023]
Abstract
Spheroids have become an essential tool in preclinical cancer research. The uniformity of spheroids is a critical parameter in drug test results. Spheroids form by self-assembly of cells. Hence, the control of homogeneity of spheroids in terms of size, shape, and density is challenging. We developed surface-optimized polydimethylsiloxane (PDMS) biochip platforms for uniform spheroid formation on-chip. These biochips were surface modified with 10% bovine serum albumin (BSA) to effectively suppress cell adhesion on the PDMS surface. These surface-optimized platforms facilitate cell self-aggregations to produce homogenous non-scaffold-based spheroids. We produced uniform spheroids on these biochips using six different established human cell lines and a co-culture model. Here, we observe that the concentration of the BSA is important in blocking cell adhesion to the PDMS surfaces. Biochips treated with 3% BSA demonstrated cell repellent properties similar to the bare PDMS surfaces. This work highlights the importance of surface modification on spheroid production on PDMS-based microfluidic devices.
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Affiliation(s)
- Neda Azizipour
- Institut de Génie Biomédical, Polytechnique Montréal, Montréal, QC H3C 3A7, Canada
| | - Rahi Avazpour
- Department of Chemical Engineering, Polytechnique Montréal, Montréal, QC H3C 3A7, Canada
| | - Mohamad Sawan
- Institut de Génie Biomédical, Polytechnique Montréal, Montréal, QC H3C 3A7, Canada
- Polystim Neurotech Laboratory, Electrical Engineering Department, Polytechnique Montréal, Montréal, QC H3T 1J4, Canada
- CenBRAIN Laboratory, Westlake Institute for Advanced Study, School of Engineering, Westlake University, Hangzhou 310024, China
| | - Abdellah Ajji
- Institut de Génie Biomédical, Polytechnique Montréal, Montréal, QC H3C 3A7, Canada
- The Research Center for High Performance Polymer and Composite Systems, Chemical Engineering Department, Polytechnique Montréal, Montréal, QC H3C 3A7, Canada
| | - Derek H Rosenzweig
- Department of Surgery, McGill University, Montréal, QC H3G 1A4, Canada
- Injury, Repair and Recovery Program, Research Institute of McGill University Health Centre, Montréal, QC H3H 2R9, Canada
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61
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Azizipour N, Avazpour R, Sawan M, Ajji A, H. Rosenzweig D. Surface Optimization and Design Adaptation toward Spheroid Formation On-Chip. SENSORS 2022; 22:s22093191. [PMID: 35590879 PMCID: PMC9104470 DOI: 10.3390/s22093191] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 04/07/2022] [Accepted: 04/19/2022] [Indexed: 12/17/2022]
Abstract
Spheroids have become an essential tool in preclinical cancer research. The uniformity of spheroids is a critical parameter in drug test results. Spheroids form by self-assembly of cells. Hence, the control of homogeneity of spheroids in terms of size, shape, and density is challenging. We developed surface-optimized polydimethylsiloxane (PDMS) biochip platforms for uniform spheroid formation on-chip. These biochips were surface modified with 10% bovine serum albumin (BSA) to effectively suppress cell adhesion on the PDMS surface. These surface-optimized platforms facilitate cell self-aggregations to produce homogenous non-scaffold-based spheroids. We produced uniform spheroids on these biochips using six different established human cell lines and a co-culture model. Here, we observe that the concentration of the BSA is important in blocking cell adhesion to the PDMS surfaces. Biochips treated with 3% BSA demonstrated cell repellent properties similar to the bare PDMS surfaces. This work highlights the importance of surface modification on spheroid production on PDMS-based microfluidic devices.
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Affiliation(s)
- Neda Azizipour
- Institut de Génie Biomédical, Polytechnique Montréal, Montréal, QC H3C 3A7, Canada; (N.A.); (M.S.)
| | - Rahi Avazpour
- Department of Chemical Engineering, Polytechnique Montréal, Montréal, QC H3C 3A7, Canada;
| | - Mohamad Sawan
- Institut de Génie Biomédical, Polytechnique Montréal, Montréal, QC H3C 3A7, Canada; (N.A.); (M.S.)
- Polystim Neurotech Laboratory, Electrical Engineering Department, Polytechnique Montréal, Montréal, QC H3T 1J4, Canada
- CenBRAIN Laboratory, Westlake Institute for Advanced Study, School of Engineering, Westlake University, Hangzhou 310024, China
| | - Abdellah Ajji
- Institut de Génie Biomédical, Polytechnique Montréal, Montréal, QC H3C 3A7, Canada; (N.A.); (M.S.)
- The Research Center for High Performance Polymer and Composite Systems, Chemical Engineering Department, Polytechnique Montréal, Montréal, QC H3C 3A7, Canada
- Correspondence: (A.A.); (D.H.R.)
| | - Derek H. Rosenzweig
- Department of Surgery, McGill University, Montréal, QC H3G 1A4, Canada
- Injury, Repair and Recovery Program, Research Institute of McGill University Health Centre, Montréal, QC H3H 2R9, Canada
- Correspondence: (A.A.); (D.H.R.)
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Unraveling Cancer Metastatic Cascade Using Microfluidics-based Technologies. Biophys Rev 2022; 14:517-543. [PMID: 35528034 PMCID: PMC9043145 DOI: 10.1007/s12551-022-00944-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Accepted: 03/14/2022] [Indexed: 12/24/2022] Open
Abstract
Cancer has long been a leading cause of death. The primary tumor, however, is not the main cause of death in more than 90% of cases. It is the complex process of metastasis that makes cancer deadly. The invasion metastasis cascade is the multi-step biological process of cancer cell dissemination to distant organ sites and adaptation to the new microenvironment site. Unraveling the metastasis process can provide great insight into cancer death prevention or even treatment. Microfluidics is a promising platform, that provides a wide range of applications in metastasis-related investigations. Cell culture microfluidic technologies for in vitro modeling of cancer tissues with fluid flow and the presence of mechanical factors have led to the organ-on-a-chip platforms. Moreover, microfluidic systems have also been exploited for capturing and characterization of circulating tumor cells (CTCs) that provide crucial information on the metastatic behavior of a tumor. We present a comprehensive review of the recent developments in the application of microfluidics-based systems for analysis and understanding of the metastasis cascade from a wider perspective.
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63
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Multielectrode biosensor chip for spatial resolution screening of 3D cell models based on microcavity arrays. Biosens Bioelectron 2022; 202:114010. [DOI: 10.1016/j.bios.2022.114010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 12/24/2021] [Accepted: 01/14/2022] [Indexed: 11/18/2022]
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64
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Nadine S, Chung A, Diltemiz SE, Yasuda B, Lee C, Hosseini V, Karamikamkar S, de Barros NR, Mandal K, Advani S, Zamanian BB, Mecwan M, Zhu Y, Mofidfar M, Zare MR, Mano J, Dokmeci MR, Alambeigi F, Ahadian S. Advances in microfabrication technologies in tissue engineering and regenerative medicine. Artif Organs 2022; 46:E211-E243. [PMID: 35349178 DOI: 10.1111/aor.14232] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 02/02/2022] [Accepted: 02/28/2022] [Indexed: 12/17/2022]
Abstract
BACKGROUND Tissue engineering provides various strategies to fabricate an appropriate microenvironment to support the repair and regeneration of lost or damaged tissues. In this matter, several technologies have been implemented to construct close-to-native three-dimensional structures at numerous physiological scales, which are essential to confer the functional characteristics of living tissues. METHODS In this article, we review a variety of microfabrication technologies that are currently utilized for several tissue engineering applications, such as soft lithography, microneedles, templated and self-assembly of microstructures, microfluidics, fiber spinning, and bioprinting. RESULTS These technologies have considerably helped us to precisely manipulate cells or cellular constructs for the fabrication of biomimetic tissues and organs. Although currently available tissues still lack some crucial functionalities, including vascular networks, innervation, and lymphatic system, microfabrication strategies are being proposed to overcome these issues. Moreover, the microfabrication techniques that have progressed to the preclinical stage are also discussed. CONCLUSIONS This article aims to highlight the advantages and drawbacks of each technique and areas of further research for a more comprehensive and evolving understanding of microfabrication techniques in terms of tissue engineering and regenerative medicine applications.
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Affiliation(s)
- Sara Nadine
- Terasaki Institute for Biomedical Innovation (TIBI), Los Angeles, California, USA.,CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - Ada Chung
- Department of Psychology, University of California-Los Angeles, Los Angeles, California, USA
| | | | - Brooke Yasuda
- Terasaki Institute for Biomedical Innovation (TIBI), Los Angeles, California, USA.,Department of Psychology, University of California-Los Angeles, Los Angeles, California, USA
| | - Charles Lee
- Terasaki Institute for Biomedical Innovation (TIBI), Los Angeles, California, USA.,Department of Veterinary Pathobiology, Texas A&M University, College Station, Texas, USA.,Station 1, Lawrence, Massachusetts, USA
| | - Vahid Hosseini
- Terasaki Institute for Biomedical Innovation (TIBI), Los Angeles, California, USA
| | - Solmaz Karamikamkar
- Terasaki Institute for Biomedical Innovation (TIBI), Los Angeles, California, USA
| | | | - Kalpana Mandal
- Terasaki Institute for Biomedical Innovation (TIBI), Los Angeles, California, USA
| | - Shailesh Advani
- Terasaki Institute for Biomedical Innovation (TIBI), Los Angeles, California, USA
| | | | - Marvin Mecwan
- Terasaki Institute for Biomedical Innovation (TIBI), Los Angeles, California, USA
| | - Yangzhi Zhu
- Terasaki Institute for Biomedical Innovation (TIBI), Los Angeles, California, USA
| | - Mohammad Mofidfar
- Department of Chemistry, Stanford University, Palo Alto, California, USA
| | | | - João Mano
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - Mehmet Remzi Dokmeci
- Terasaki Institute for Biomedical Innovation (TIBI), Los Angeles, California, USA
| | - Farshid Alambeigi
- Walker Department of Mechanical Engineering, University of Texas at Austin, Austin, Texas, USA
| | - Samad Ahadian
- Terasaki Institute for Biomedical Innovation (TIBI), Los Angeles, California, USA
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65
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Özkayar G, Lötters JC, Tichem M, Ghatkesar MK. Toward a modular, integrated, miniaturized, and portable microfluidic flow control architecture for organs-on-chips applications. BIOMICROFLUIDICS 2022; 16:021302. [PMID: 35464136 PMCID: PMC9018096 DOI: 10.1063/5.0074156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 03/23/2022] [Indexed: 05/08/2023]
Abstract
Microfluidic organs-on-chips (OoCs) technology has emerged as the trend for in vitro functional modeling of organs in recent years. Simplifying the complexities of the human organs under controlled perfusion of required fluids paves the way for accurate prediction of human organ functionalities and their response to interventions like exposure to drugs. However, in the state-of-the-art OoC, the existing methods to control fluids use external bulky peripheral components and systems much larger than the chips used in experiments. A new generation of compact microfluidic flow control systems is needed to overcome this challenge. This study first presents a structured classification of OoC devices according to their types and microfluidic complexities. Next, we suggest three fundamental fluid flow control mechanisms and define component configurations for different levels of OoC complexity for each respective mechanism. Finally, we propose an architecture integrating modular microfluidic flow control components and OoC devices on a single platform. We emphasize the need for miniaturization of flow control components to achieve portability, minimize sample usage, minimize dead volume, improve the flowing time of fluids to the OoC cell chamber, and enable long-duration experiments.
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Affiliation(s)
- Gürhan Özkayar
- Department of Precision and Microsystems Engineering, Delft University of Technology, Delft, The Netherlands
| | | | - Marcel Tichem
- Department of Precision and Microsystems Engineering, Delft University of Technology, Delft, The Netherlands
| | - Murali K. Ghatkesar
- Department of Precision and Microsystems Engineering, Delft University of Technology, Delft, The Netherlands
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66
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Implementing organ-on-chip in a next-generation risk assessment of chemicals: a review. Arch Toxicol 2022; 96:711-741. [PMID: 35103818 PMCID: PMC8850248 DOI: 10.1007/s00204-022-03234-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 01/20/2022] [Indexed: 12/17/2022]
Abstract
Organ-on-chip (OoC) technology is full of engineering and biological challenges, but it has the potential to revolutionize the Next-Generation Risk Assessment of novel ingredients for consumer products and chemicals. A successful incorporation of OoC technology into the Next-Generation Risk Assessment toolbox depends on the robustness of the microfluidic devices and the organ tissue models used. Recent advances in standardized device manufacturing, organ tissue cultivation and growth protocols offer the ability to bridge the gaps towards the implementation of organ-on-chip technology. Next-Generation Risk Assessment is an exposure-led and hypothesis-driven tiered approach to risk assessment using detailed human exposure information and the application of appropriate new (non-animal) toxicological testing approaches. Organ-on-chip presents a promising in vitro approach by combining human cell culturing with dynamic microfluidics to improve physiological emulation. Here, we critically review commercial organ-on-chip devices, as well as recent tissue culture model studies of the skin, intestinal barrier and liver as the main metabolic organ to be used on-chip for Next-Generation Risk Assessment. Finally, microfluidically linked tissue combinations such as skin-liver and intestine-liver in organ-on-chip devices are reviewed as they form a relevant aspect for advancing toxicokinetic and toxicodynamic studies. We point to recent achievements and challenges to overcome, to advance non-animal, human-relevant safety studies.
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67
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Qi L, Zushin PJ, Chang CF, Lee YT, Alba DL, Koliwad S, Stahl A. Probing Insulin Sensitivity with Metabolically Competent Human Stem Cell-Derived White Adipose Tissue Microphysiological Systems. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2103157. [PMID: 34761526 PMCID: PMC8776615 DOI: 10.1002/smll.202103157] [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] [Received: 05/31/2021] [Revised: 09/21/2021] [Indexed: 05/13/2023]
Abstract
Impaired white adipose tissue (WAT) function has been recognized as a critical early event in obesity-driven disorders, but high buoyancy, fragility, and heterogeneity of primary adipocytes have largely prevented their use in drug discovery efforts highlighting the need for human stem cell-based approaches. Here, human stem cells are utilized to derive metabolically functional 3D adipose tissue (iADIPO) in a microphysiological system (MPS). Surprisingly, previously reported WAT differentiation approaches create insulin resistant WAT ill-suited for type-2 diabetes mellitus drug discovery. Using three independent insulin sensitivity assays, i.e., glucose and fatty acid uptake and suppression of lipolysis, as the functional readouts new differentiation conditions yielding hormonally responsive iADIPO are derived. Through concomitant optimization of an iADIPO-MPS, it is abled to obtain WAT with more unilocular and significantly larger (≈40%) lipid droplets compared to iADIPO in 2D culture, increased insulin responsiveness of glucose uptake (≈2-3 fold), fatty acid uptake (≈3-6 fold), and ≈40% suppressing of stimulated lipolysis giving a dynamic range that is competent to current in vivo and ex vivo models, allowing to identify both insulin sensitizers and desensitizers.
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Affiliation(s)
- Lin Qi
- Department of Nutritional Science and Toxicology, College of Natural Resources, University of California, Berkeley, Berkeley, California, 94720, USA
| | - Peter James Zushin
- Department of Nutritional Science and Toxicology, College of Natural Resources, University of California, Berkeley, Berkeley, California, 94720, USA
| | - Ching-Fang Chang
- Department of Nutritional Science and Toxicology, College of Natural Resources, University of California, Berkeley, Berkeley, California, 94720, USA
| | - Yue Tung Lee
- Department of Nutritional Science and Toxicology, College of Natural Resources, University of California, Berkeley, Berkeley, California, 94720, USA
| | - Diana L. Alba
- Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, University of California, San Francisco; Diabetes Center, University of California, San Francisco, San Francisco, California 94143, USA
| | - Suneil Koliwad
- Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, University of California, San Francisco; Diabetes Center, University of California, San Francisco, San Francisco, California 94143, USA
| | - Andreas Stahl
- Department of Nutritional Science and Toxicology, College of Natural Resources, University of California, Berkeley, Berkeley, California, 94720, USA
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68
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An Overview of Zebrafish Modeling Methods in Drug Discovery and Development. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1387:145-169. [PMID: 34961915 DOI: 10.1007/5584_2021_684] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Animal studies are recognized as a significant step forward in the bridging between drug discovery and clinical applications. Animal models, due to their relative genetic, molecular, physiological, and even anatomical similarities to humans, can provide a suitable platform for unraveling the mechanisms underlying human diseases and discovering new therapeutic approaches as well. Recently, zebrafish has attracted attention as a valuable experimental and pharmacological model in drug discovery and development studies due to its prominent characteristics such as the high degree of genetic similarity with humans, genetic manipulability, and prominent clinical features. Since advancing a theory to a valid and reliable observation requires the manipulation of animals, it is, therefore, essential to use efficient modeling methods appropriate to the different aspects of experimental conditions. In this context, applying several various approaches such as using chemicals, pathogens, and genetic manipulation approaches allows zebrafish development into a preferable model that mimics some human disease pathophysiology. Thus, such modeling approaches not only can provide a framework for a comprehensive understanding of the human disease mechanisms that have a counterpart in zebrafish but also can pave the way for discovering new drugs that are accompanied by higher amelioration effects on different human diseases.
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69
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Sitkov N, Zimina T, Kolobov A, Sevostyanov E, Trushlyakova V, Luchinin V, Krasichkov A, Markelov O, Galagudza M, Kaplun D. Study of the Fabrication Technology of Hybrid Microfluidic Biochips for Label-Free Detection of Proteins. MICROMACHINES 2021; 13:mi13010020. [PMID: 35056185 PMCID: PMC8779695 DOI: 10.3390/mi13010020] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 12/15/2021] [Accepted: 12/22/2021] [Indexed: 05/22/2023]
Abstract
A study of the peculiarities and a comparative analysis of the technologies used for the fabrication of elements of novel hybrid microfluidic biochips for express biomedical analysis have been carried out. The biochips were designed with an incorporated microfluidic system, which enabled an accumulation of the target compounds in a biological fluid to be achieved, thus increasing the biochip system's sensitivity and even implementing a label-free design of the detection unit. The multilevel process of manufacturing a microfluidic system of a given topology for label-free fluorometric detection of protein structures is presented. The technological process included the chemical modification of the working surface of glass substrates by silanization using (3-aminopropyl) trimethoxysilane (APTMS), formation of the microchannels, for which SU-8 technologies and a last generation dry film photoresist were studied and compared. The solid-state phosphor layers were deposited using three methods: drop application; airbrushing; and mechanical spraying onto the adhesive surface. The processes of sealing the system, installing input ports, and packaging using micro-assembly technologies are described. The technological process has been optimized and the biochip was implemented and tested. The presented system can be used to design novel high-performance diagnostic tools that implement the function of express detection of protein markers of diseases and create low-power multimodal, highly intelligent portable analytical decision-making systems in medicine.
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Affiliation(s)
- Nikita Sitkov
- Department of Micro- and Nanoelectronics, Saint Petersburg Electrotechnical University “LETI”, 197376 Saint Petersburg, Russia; (T.Z.); (E.S.); (V.T.); (V.L.)
- Correspondence: (N.S.); (D.K.)
| | - Tatiana Zimina
- Department of Micro- and Nanoelectronics, Saint Petersburg Electrotechnical University “LETI”, 197376 Saint Petersburg, Russia; (T.Z.); (E.S.); (V.T.); (V.L.)
| | - Alexey Kolobov
- Institute of Highly Pure Biopreparations, 197110 Saint Petersburg, Russia;
| | - Evgeny Sevostyanov
- Department of Micro- and Nanoelectronics, Saint Petersburg Electrotechnical University “LETI”, 197376 Saint Petersburg, Russia; (T.Z.); (E.S.); (V.T.); (V.L.)
| | - Valentina Trushlyakova
- Department of Micro- and Nanoelectronics, Saint Petersburg Electrotechnical University “LETI”, 197376 Saint Petersburg, Russia; (T.Z.); (E.S.); (V.T.); (V.L.)
| | - Viktor Luchinin
- Department of Micro- and Nanoelectronics, Saint Petersburg Electrotechnical University “LETI”, 197376 Saint Petersburg, Russia; (T.Z.); (E.S.); (V.T.); (V.L.)
| | - Alexander Krasichkov
- Radio Engineering Systems Department, Saint Petersburg Electrotechnical University “LETI”, 197376 Saint Petersburg, Russia;
| | - Oleg Markelov
- Centre for Digital Telecommunication Technologies, Saint Petersburg Electrotechnical University “LETI”, 5 Professor Popov Street, 197376 Saint Petersburg, Russia;
| | | | - Dmitry Kaplun
- Department of Automation and Control Processes, Saint Petersburg Electrotechnical University “LETI”, 197376 Saint Petersburg, Russia
- Correspondence: (N.S.); (D.K.)
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70
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Rahimnejad M, Rabiee N, Ahmadi S, Jahangiri S, Sajadi SM, Akhavan O, Saeb MR, Kwon W, Kim M, Hahn SK. Emerging Phospholipid Nanobiomaterials for Biomedical Applications to Lab-on-a-Chip, Drug Delivery, and Cellular Engineering. ACS APPLIED BIO MATERIALS 2021; 4:8110-8128. [PMID: 35005915 DOI: 10.1021/acsabm.1c00932] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The design of advanced nanobiomaterials to improve analytical accuracy and therapeutic efficacy has become an important prerequisite for the development of innovative nanomedicines. Recently, phospholipid nanobiomaterials including 2-methacryloyloxyethyl phosphorylcholine (MPC) have attracted great attention with remarkable characteristics such as resistance to nonspecific protein adsorption and cell adhesion for various biomedical applications. Despite many recent reports, there is a lack of comprehensive review on the phospholipid nanobiomaterials from synthesis to diagnostic and therapeutic applications. Here, we review the synthesis and characterization of phospholipid nanobiomaterials focusing on MPC polymers and highlight their attractive potentials for applications in micro/nanofabricated fluidic devices, biosensors, lab-on-a-chip, drug delivery systems (DDSs), COVID-19 potential usages for early diagnosis and even treatment, and artificial extracellular matrix scaffolds for cellular engineering.
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Affiliation(s)
- Maedeh Rahimnejad
- Biomedical Engineering Institute, School of Medicine, Université de Montréal, Montreal, Quebec H2X 0A9, Canada.,Department of Physics, Sharif University of Technology, P.O. Box 11155-9161, Tehran , Iran
| | - Navid Rabiee
- Department of Physics, Sharif University of Technology, P.O. Box 11155-9161, Tehran , Iran
| | - Sepideh Ahmadi
- Student Research Committee, Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran 19857-17443, Iran.,Cellular and Molecular Biology Research Center, Shahid Beheshti University of Medical Sciences, Tehran 19857-17443, Iran
| | - Sepideh Jahangiri
- Department of Physics, Sharif University of Technology, P.O. Box 11155-9161, Tehran , Iran.,Department of Biomedical Sciences, Faculty of Medicine, Université de Montréal, Montreal, Quebec H2X 0A9, Canada
| | - S Mohammad Sajadi
- Department of Nutrition, Cihan University-Erbil, Erbil 44001, Kurdistan Region, Iraq.,Department of Phytochemistry, SRC, Soran University, Soran City 44008, Kurdistan Region, Iraq
| | - Omid Akhavan
- Department of Physics, Sharif University of Technology, P.O. Box 11155-9161, Tehran , Iran
| | - Mohammad Reza Saeb
- Department of Polymer Technology, Faculty of Chemistry, Gdańsk University of Technology, G. Narutowicza 11/12 80-233, Gdańsk 80-233, Poland
| | - Woosung Kwon
- Department of Chemical and Biological Engineering, Sookmyung Women's University, 100 Cheongpa-ro 47-gil, Yongsan-gu, Seoul 04310, Korea
| | - Mungu Kim
- Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro, Nam-gu, Pohang, Gyeongbuk 37673, Korea
| | - Sei Kwang Hahn
- Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro, Nam-gu, Pohang, Gyeongbuk 37673, Korea
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71
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Organ-on-a-Chip for Studying Gut-Brain Interaction Mediated by Extracellular Vesicles in the Gut Microenvironment. Int J Mol Sci 2021; 22:ijms222413513. [PMID: 34948310 PMCID: PMC8707342 DOI: 10.3390/ijms222413513] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 12/14/2021] [Accepted: 12/15/2021] [Indexed: 12/12/2022] Open
Abstract
Extracellular vesicles (EVs) are a group of membrane vesicles that play important roles in cell-to-cell and interspecies/interkingdom communications by modulating the pathophysiological conditions of recipient cells. Recent evidence has implied their potential roles in the gut–brain axis (GBA), which is a complex bidirectional communication system between the gut environment and brain pathophysiology. Despite the evidence, the roles of EVs in the gut microenvironment in the GBA are less highlighted. Moreover, there are critical challenges in the current GBA models and analyzing techniques for EVs, which may hinder the research. Currently, advances in organ-on-a-chip (OOC) technologies have provided a promising solution. Here, we review the potential effects of EVs occurring in the gut environment on brain physiology and behavior and discuss how to apply OOCs to research the GBA mediated by EVs in the gut microenvironment.
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72
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Jia X, Yang X, Luo G, Liang Q. Recent progress of microfluidic technology for pharmaceutical analysis. J Pharm Biomed Anal 2021; 209:114534. [PMID: 34929566 DOI: 10.1016/j.jpba.2021.114534] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 12/06/2021] [Accepted: 12/08/2021] [Indexed: 12/13/2022]
Abstract
In recent years, the progress of microfluidic technology has provided new tools for pharmaceutical analysis and the proposal of pharm-lab-on-a-chip is appealing for its great potential to integrate pharmaceutical test and pharmacological test in a single chip system. Here, we summarize and highlight recent advances of chip-based principles, techniques and devices for pharmaceutical test and pharmacological/toxicological test focusing on the separation and analysis of drug molecules on a chip and the construction of pharmacological models on a chip as well as their demonstrative applications in quality control, drug screening and precision medicine. The trend and challenge of microfluidic technology for pharmaceutical analysis are also discussed and prospected. We hope this review would update the insight and development of pharm-lab-on-a-chip.
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Affiliation(s)
- Xiaomeng Jia
- Center for Synthetic and Systems Biology, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing 100084, PR China
| | - Xiaoping Yang
- Center for Synthetic and Systems Biology, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing 100084, PR China
| | - Guoan Luo
- Center for Synthetic and Systems Biology, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing 100084, PR China.
| | - Qionglin Liang
- Center for Synthetic and Systems Biology, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing 100084, PR China.
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73
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Dabaghi M, Tiessen N, Cao Q, Chandiramohan A, Saraei N, Kim Y, Gupta T, Selvaganapathy PR, Hirota JA. Adhesive-Based Fabrication Technique for Culture of Lung Airway Epithelial Cells with Applications in Cell Patterning and Microfluidics. ACS Biomater Sci Eng 2021; 7:5301-5314. [PMID: 34696583 DOI: 10.1021/acsbiomaterials.1c01200] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
This work describes a versatile and cost-effective cell culture method for micropatterning and growing adherent cells on porous membranes using pressure-sensitive double-sided adhesives. This technique also allows cell culture using conventional methods and their easy integration into microfluidic chip devices. Adhesives can be used to form different patterns of cultured cells, which can be used for cell proliferation and wound-healing models. To demonstrate the viability of our system, we evaluate the toxicity effect of five different adhesives on two distinct airway epithelial cell lines and show functional applications for cell patterning and microfluidic cell culture chip fabrication. We developed a sandwiched microfluidic device that enabled us to culture cells in a submerged condition and transformed it into a dynamic platform when required. The viability of cells and their inflammatory responses to IL-1β stimulation were investigated. Our technique is applicable for conventional culturing of cells, widely available in biomedical research labs, while enabling the introduction of perfusion for an advanced dynamic cell culture model when needed.
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Affiliation(s)
- Mohammadhossein Dabaghi
- Firestone Institute for Respiratory Health-Division of Respirology, Department of Medicine, McMaster University, Hamilton, Ontario L8N 4A6, Canada
| | - Nicholas Tiessen
- Firestone Institute for Respiratory Health-Division of Respirology, Department of Medicine, McMaster University, Hamilton, Ontario L8N 4A6, Canada
| | - Quynh Cao
- Firestone Institute for Respiratory Health-Division of Respirology, Department of Medicine, McMaster University, Hamilton, Ontario L8N 4A6, Canada
| | - Abiram Chandiramohan
- Firestone Institute for Respiratory Health-Division of Respirology, Department of Medicine, McMaster University, Hamilton, Ontario L8N 4A6, Canada
| | - Neda Saraei
- Firestone Institute for Respiratory Health-Division of Respirology, Department of Medicine, McMaster University, Hamilton, Ontario L8N 4A6, Canada
| | - Yechan Kim
- Firestone Institute for Respiratory Health-Division of Respirology, Department of Medicine, McMaster University, Hamilton, Ontario L8N 4A6, Canada
| | - Tamaghna Gupta
- School of Biomedical Engineering, McMaster University, Hamilton, Ontario L8S 4K1, Canada
| | - P Ravi Selvaganapathy
- School of Biomedical Engineering, McMaster University, Hamilton, Ontario L8S 4K1, Canada.,Department of Mechanical Engineering, McMaster University, Hamilton, Ontario L8S 4L7, Canada
| | - Jeremy A Hirota
- Firestone Institute for Respiratory Health-Division of Respirology, Department of Medicine, McMaster University, Hamilton, Ontario L8N 4A6, Canada.,School of Biomedical Engineering, McMaster University, Hamilton, Ontario L8S 4K1, Canada.,McMaster Immunology Research Centre, Department of Pathology and Molecular Medicine, McMaster University, Hamilton, Ontario L8S 4K1, Canada.,Division of Respiratory Medicine, Department of Medicine, University of British Columbia, Vancouver, British Columbia V6H 3Z6, Canada.,Department of Biology, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
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74
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da Silva da Costa FA, Soares MR, Malagutti-Ferreira MJ, da Silva GR, Lívero FADR, Ribeiro-Paes JT. Three-Dimensional Cell Cultures as a Research Platform in Lung Diseases and COVID-19. Tissue Eng Regen Med 2021; 18:735-745. [PMID: 34080133 PMCID: PMC8172328 DOI: 10.1007/s13770-021-00348-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 04/12/2021] [Accepted: 04/19/2021] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Chronic respiratory diseases (CRD) are a major public health problem worldwide. In the current epidemiological context, CRD have received much interest when considering their correlation with greater susceptibility to SARS-Cov-2 and severe disease (COVID-19). Increasingly more studies have investigated pathophysiological interactions between CRD and COVID-19. AREA COVERED Animal experimentation has decisively contributed to advancing our knowledge of CRD. Considering the increase in ethical restrictions in animal experimentation, researchers must focus on new experimental alternatives. Two-dimensional (2D) cell cultures have complemented animal models and significantly contributed to advancing research in the life sciences. However, 2D cell cultures have several limitations in studies of cellular interactions. Three-dimensional (3D) cell cultures represent a new and robust platform for studying complex biological processes and are a promising alternative in regenerative and translational medicine. EXPERT OPINION Three-dimensional cell cultures are obtained by combining several types of cells in integrated and self-organized systems in a 3D structure. These 3D cell culture systems represent an efficient methodological approach in studies of pathophysiology and lung therapy. More recently, complex 3D culture systems, such as lung-on-a-chip, seek to mimic the physiology of a lung in vivo through a microsystem that simulates alveolar-capillary interactions and exposure to air. The present review introduces and discusses 3D lung cultures as robust platforms for studies of the pathophysiology of CRD and COVID-19 and the mechanisms that underlie interactions between CRD and COVID-19.
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Affiliation(s)
- Felipe Allan da Silva da Costa
- Department of Bioprocesses and Biotechnology, School of Agricultural Sciences, São Paulo State University - UNESP, Botucatu, São Paulo, Brazil
| | - Murilo Racy Soares
- Human Reproduction Division, Department of Gynecology and Obstetrics, Ribeirão Preto Medical School, University of São Paulo - USP, Ribeirão Preto, São Paulo, Brazil
| | | | - Gustavo Ratti da Silva
- Laboratory of Preclinical Research of Natural Products, Paranaense University - UNIPAR, Umuarama, Parana, Brazil
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75
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Winkler TE, Herland A. Sorption of Neuropsychopharmaca in Microfluidic Materials for In Vitro Studies. ACS APPLIED MATERIALS & INTERFACES 2021; 13:45161-45174. [PMID: 34528803 PMCID: PMC8485331 DOI: 10.1021/acsami.1c07639] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Indexed: 05/04/2023]
Abstract
Sorption (i.e., adsorption and absorption) of small-molecule compounds to polydimethylsiloxane (PDMS) is a widely acknowledged phenomenon. However, studies to date have largely been conducted under atypical conditions for microfluidic applications (lack of perfusion, lack of biological fluids, etc.), especially considering biological studies such as organs-on-chips where small-molecule sorption poses the largest concern. Here, we present an in-depth study of small-molecule sorption under relevant conditions for microphysiological systems, focusing on a standard geometry for biological barrier studies that find application in pharmacokinetics. We specifically assess the sorption of a broad compound panel including 15 neuropsychopharmaca at in vivo concentration levels. We consider devices constructed from PDMS as well as two material alternatives (off-stoichiometry thiol-ene-epoxy, or tape/polycarbonate laminates). Moreover, we study the much neglected impact of peristaltic pump tubing, an essential component of the recirculating systems required to achieve in vivo-like perfusion shear stresses. We find that the choice of the device material does not have a significant impact on the sorption behavior in our barrier-on-chip-type system. Our PDMS observations in particular suggest that excessive compound sorption observed in prior studies is not sufficiently described by compound hydrophobicity or other suggested predictors. Critically, we show that sorption by peristaltic tubing, including the commonly utilized PharMed BPT, dominates over device sorption even on an area-normalized basis, let alone at the typically much larger tubing surface areas. Our findings highlight the importance of validating compound dosages in organ-on-chip studies, as well as the need for considering tubing materials with equal or higher care than device materials.
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Affiliation(s)
- Thomas E. Winkler
- Division
of Micro- and Nanosystems, KTH Royal Institute
of Technology, 10044 Stockholm, Sweden
| | - Anna Herland
- Division
of Micro- and Nanosystems, KTH Royal Institute
of Technology, 10044 Stockholm, Sweden
- AIMES,
Center for Integrated Medical and Engineering Science, Department
of Neuroscience, Department of Neuroscience, Karolinska Institute, Solna 17165, Sweden
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76
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De Dios Andres P, Westensee IN, Brodszkij E, Ramos-Docampo MA, Gal N, Städler B. Evaluation of Hybrid Vesicles in an Intestinal Cell Model Based on Structured Paper Chips. Biomacromolecules 2021; 22:3860-3872. [PMID: 34420299 DOI: 10.1021/acs.biomac.1c00686] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Cell culture-based intestinal models are important to evaluate nanoformulations intended for oral drug delivery. We report the use of a floating structured paper chip as a scaffold for Caco-2 cells and HT29-MTX-E12 cells that are two established cell types used in intestinal cell models. The formation of cell monolayers for both mono- and cocultures in the paper chip are confirmed and the level of formed cell-cell junctions is evaluated. Further, cocultures show first mucus formation between 6-10 days with the mucus becoming more pronounced after 19 days. Hybrid vesicles (HVs) made from phospholipids and the amphiphilic block copolymer poly(cholesteryl methacrylate)-block-poly(2-carboxyethyl acrylate) in different ratios are used as a representative soft nanoparticle to assess their mucopenetration ability in paper chip-based cell cultures. The HV assembly is characterized, and it is illustrated that these HVs cross the mucus layer and are found intracellularly within 3 h when the cells are grown in the paper chips. Taken together, the moist three-dimensional cellulose environment of structured paper chips offers an interesting cell culture-based intestinal model that can be further integrated with fluidic systems or online read-out opportunities.
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Affiliation(s)
- Paula De Dios Andres
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus, Denmark
| | - Isabella N Westensee
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus, Denmark
| | - Edit Brodszkij
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus, Denmark
| | - Miguel A Ramos-Docampo
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus, Denmark
| | - Noga Gal
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus, Denmark
| | - Brigitte Städler
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus, Denmark
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3D Printed Microfluidic Spiral Separation Device for Continuous, Pulsation-Free and Controllable CHO Cell Retention. MICROMACHINES 2021; 12:mi12091060. [PMID: 34577708 PMCID: PMC8470376 DOI: 10.3390/mi12091060] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 08/20/2021] [Accepted: 08/27/2021] [Indexed: 11/16/2022]
Abstract
The development of continuous bioprocesses-which require cell retention systems in order to enable longer cultivation durations-is a primary focus in the field of modern process development. The flow environment of microfluidic systems enables the granular manipulation of particles (to allow for greater focusing in specific channel regions), which in turn facilitates the development of small continuous cell separation systems. However, previously published systems did not allow for separation control. Additionally, the focusing effect of these systems requires constant, pulsation-free flow for optimal operation, which cannot be achieved using ordinary peristaltic pumps. As described in this paper, a 3D printed cell separation spiral for CHO-K1 (Chinese hamster ovary) cells was developed and evaluated optically and with cell experiments. It demonstrated a high separation efficiency of over 95% at up to 20 × 106 cells mL-1. Control over inlet and outlet flow rates allowed the operator to adjust the separation efficiency of the device while in use-thereby enabling fine control over cell concentration in the attached bioreactors. In addition, miniaturized 3D printed buffer devices were developed that can be easily attached directly to the separation unit for usage with peristaltic pumps while simultaneously almost eradicating pump pulsations. These custom pulsation dampeners were closely integrated with the separator spiral lowering the overall dead volume of the system. The entire device can be flexibly connected directly to bioreactors, allowing continuous, pulsation-free cell retention and process operation.
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78
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Rahman M, Sampad MJN, Hawkins A, Schmidt H. Recent advances in integrated solid-state nanopore sensors. LAB ON A CHIP 2021; 21:3030-3052. [PMID: 34137407 PMCID: PMC8372664 DOI: 10.1039/d1lc00294e] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
The advent of single-molecule probing techniques has revolutionized the biomedical and life science fields and has spurred the development of a new class of labs-on-chip based on powerful biosensors. Nanopores represent one of the most recent and most promising single molecule sensing paradigms that is seeing increased chip-scale integration for improved convenience and performance. Due to their physical structure, nanopores are highly sensitive, require low sample volume, and offer label-free, amplification-free, high-throughput real-time detection and identification of biomolecules. Over the last 25 years, nanopores have been extensively employed to detect a variety of biomolecules with a growing range of applicatons ranging from nucleic acid sequencing to ultrasensitive diagnostics to single-molecule biophysics. Nanopores, in particular those in solid-state membranes, also have the potential for integration with other technologies such as optics, plasmonics, microfluidics, and optofluidics to perform more complex tasks for an ever-expanding demand. A number of breakthrough results using integrated nanopore platforms have already been reported, and more can be expected as nanopores remain the focus of innovative research and are finding their way into commercial instruments. This review provides an overview of different aspects and challenges of nanopore technology with a focus on chip-scale integration of solid-state nanopores for biosensing and bioanalytical applications.
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Affiliation(s)
- Mahmudur Rahman
- School of Engineering, University of California Santa Cruz, 1156 High Street, Santa Cruz, CA, 95064 USA. and Dhaka University of Engineering & Technology, Gazipur, Bangladesh
| | | | - Aaron Hawkins
- ECEn Department, Brigham Young University, 459 Clyde Building, Provo, UT, 84602 USA
| | - Holger Schmidt
- School of Engineering, University of California Santa Cruz, 1156 High Street, Santa Cruz, CA, 95064 USA.
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79
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Ortega C, Corredor D, Santillán M, Ger W, Noceda J, Pais-Chanfrau J, Trujillo L. Lab on a Chip: Bioreactors miniaturization for rapid optimization of biomedical processes and its impact on SARS-CoV-2 diagnosis. BIONATURA 2021. [DOI: 10.21931/rb/2021.06.03.31] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Lab on a Chip (LoC) as part of Microbioreactors (MBRs) constitute an emergent technology to carry out micro-bioprocesses based on microfluidics research. In this review, the usefulness of LoCs is exposed since its inception, demonstrating that it is a multidisciplinary research field, gathering different science branches to develop this technology. As a result, a beneficial point of advancement is reached, producing useful consumables for humanity. Some of the described LoCs throughout this work are also used to detect infectious diseases caused by bacteria or viruses, allowing accelerated studies on emerging or high-impact diseases, such as COVID-19. Here are also displayed with an updated panorama, different strategies to improve the use, applications in the biomedical field, and spread of these devices aimed at their availability to solve social problems.
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Affiliation(s)
- C.P. Ortega
- Departamento de Ciencias de la Vida y la Agricultura, Laboratorio Multidisciplinario, Universidad de las Fuerzas Armadas – ESPE, Sangolquí, Ecuador
| | - D.A Corredor
- Departamento de Ciencias de la Vida y la Agricultura, Laboratorio Multidisciplinario, Universidad de las Fuerzas Armadas – ESPE, Sangolquí, Ecuador
| | - M.E Santillán
- Departamento de Ciencias de la Vida y la Agricultura, Laboratorio Multidisciplinario, Universidad de las Fuerzas Armadas – ESPE, Sangolquí, Ecuador
| | - W.S Ger
- Departamento de Ciencias de la Vida y la Agricultura, Laboratorio Multidisciplinario, Universidad de las Fuerzas Armadas – ESPE, Sangolquí, Ecuador
| | - J.M Noceda
- Departamento de Ciencias de la Vida y la Agricultura, Laboratorio Multidisciplinario, Universidad de las Fuerzas Armadas – ESPE, Sangolquí, Ecuador Grupo de Investigación de Biotecnología Industrial y Bioproductos Centro de Nanociencia y Nanotecnología – CENCINAT, Universidad de las Fuerzas Armadas ESPE, Sangolquí, Ecuador
| | - J.M Pais-Chanfrau
- Grupo de Investigación de Biotecnología Industrial y Bioproductos Centro de Nanociencia y Nanotecnología – CENCINAT, Universidad de las Fuerzas Armadas ESPE, Sangolquí, Ecuador FICAYA, Universidad Técnica del Norte (UTN), Ibarra, Imbabura, Ecuador
| | - L.E Trujillo
- Departamento de Ciencias de la Vida y la Agricultura, Laboratorio Multidisciplinario, Universidad de las Fuerzas Armadas – ESPE, Sangolquí, Ecuador. Grupo de Investigación de Biotecnología Industrial y Bioproductos Centro de Nanociencia y Nanotecnología – CENCINAT, Universidad de las Fuerzas Armadas ESPE, Sangolquí, Ecuador
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80
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King O, Sunyovszki I, Terracciano CM. Vascularisation of pluripotent stem cell-derived myocardium: biomechanical insights for physiological relevance in cardiac tissue engineering. Pflugers Arch 2021; 473:1117-1136. [PMID: 33855631 PMCID: PMC8245389 DOI: 10.1007/s00424-021-02557-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 03/15/2021] [Accepted: 03/18/2021] [Indexed: 12/22/2022]
Abstract
The myocardium is a diverse environment, requiring coordination between a variety of specialised cell types. Biochemical crosstalk between cardiomyocytes (CM) and microvascular endothelial cells (MVEC) is essential to maintain contractility and healthy tissue homeostasis. Yet, as myocytes beat, heterocellular communication occurs also through constantly fluctuating biomechanical stimuli, namely (1) compressive and tensile forces generated directly by the beating myocardium, and (2) pulsatile shear stress caused by intra-microvascular flow. Despite endothelial cells (EC) being highly mechanosensitive, the role of biomechanical stimuli from beating CM as a regulatory mode of myocardial-microvascular crosstalk is relatively unexplored. Given that cardiac biomechanics are dramatically altered during disease, and disruption of myocardial-microvascular communication is a known driver of pathological remodelling, understanding the biomechanical context necessary for healthy myocardial-microvascular interaction is of high importance. The current gap in understanding can largely be attributed to technical limitations associated with reproducing dynamic physiological biomechanics in multicellular in vitro platforms, coupled with limited in vitro viability of primary cardiac tissue. However, differentiation of CM from human pluripotent stem cells (hPSC) has provided an unlimited source of human myocytes suitable for designing in vitro models. This technology is now converging with the diverse field of tissue engineering, which utilises in vitro techniques designed to enhance physiological relevance, such as biomimetic extracellular matrix (ECM) as 3D scaffolds, microfluidic perfusion of vascularised networks, and complex multicellular architectures generated via 3D bioprinting. These strategies are now allowing researchers to design in vitro platforms which emulate the cell composition, architectures, and biomechanics specific to the myocardial-microvascular microenvironment. Inclusion of physiological multicellularity and biomechanics may also induce a more mature phenotype in stem cell-derived CM, further enhancing their value. This review aims to highlight the importance of biomechanical stimuli as determinants of CM-EC crosstalk in cardiac health and disease, and to explore emerging tissue engineering and hPSC technologies which can recapitulate physiological dynamics to enhance the value of in vitro cardiac experimentation.
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Affiliation(s)
- Oisín King
- National Heart & Lung Institute, Imperial College London, Hammersmith Campus, ICTEM 4th floor, Du Cane Road, London, W12 0NN, UK.
| | - Ilona Sunyovszki
- National Heart & Lung Institute, Imperial College London, Hammersmith Campus, ICTEM 4th floor, Du Cane Road, London, W12 0NN, UK
| | - Cesare M Terracciano
- National Heart & Lung Institute, Imperial College London, Hammersmith Campus, ICTEM 4th floor, Du Cane Road, London, W12 0NN, UK
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81
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Zhao Q, Cole T, Zhang Y, Tang SY. Mechanical Strain-Enabled Reconstitution of Dynamic Environment in Organ-on-a-Chip Platforms: A Review. MICROMACHINES 2021; 12:765. [PMID: 34203533 PMCID: PMC8304354 DOI: 10.3390/mi12070765] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 06/23/2021] [Accepted: 06/25/2021] [Indexed: 12/11/2022]
Abstract
Organ-on-a-chip (OOC) uses the microfluidic 3D cell culture principle to reproduce organ- or tissue-level functionality at a small scale instead of replicating the entire human organ. This provides an alternative to animal models for drug development and environmental toxicology screening. In addition to the biomimetic 3D microarchitecture and cell-cell interactions, it has been demonstrated that mechanical stimuli such as shear stress and mechanical strain significantly influence cell behavior and their response to pharmaceuticals. Microfluidics is capable of precisely manipulating the fluid of a microenvironment within a 3D cell culture platform. As a result, many OOC prototypes leverage microfluidic technology to reproduce the mechanically dynamic microenvironment on-chip and achieve enhanced in vitro functional organ models. Unlike shear stress that can be readily generated and precisely controlled using commercial pumping systems, dynamic systems for generating proper levels of mechanical strains are more complicated, and often require miniaturization and specialized designs. As such, this review proposes to summarize innovative microfluidic OOC platforms utilizing mechanical actuators that induce deflection of cultured cells/tissues for replicating the dynamic microenvironment of human organs.
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Affiliation(s)
- Qianbin Zhao
- School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore
| | - Tim Cole
- Department of Electronic, Electrical and Systems Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK; (T.C.); (Y.Z.)
| | - Yuxin Zhang
- Department of Electronic, Electrical and Systems Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK; (T.C.); (Y.Z.)
| | - Shi-Yang Tang
- Department of Electronic, Electrical and Systems Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK; (T.C.); (Y.Z.)
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82
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Staicu CE, Jipa F, Axente E, Radu M, Radu BM, Sima F. Lab-on-a-Chip Platforms as Tools for Drug Screening in Neuropathologies Associated with Blood-Brain Barrier Alterations. Biomolecules 2021; 11:916. [PMID: 34205550 PMCID: PMC8235582 DOI: 10.3390/biom11060916] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 06/15/2021] [Accepted: 06/16/2021] [Indexed: 12/19/2022] Open
Abstract
Lab-on-a-chip (LOC) and organ-on-a-chip (OOC) devices are highly versatile platforms that enable miniaturization and advanced controlled laboratory functions (i.e., microfluidics, advanced optical or electrical recordings, high-throughput screening). The manufacturing advancements of LOCs/OOCs for biomedical applications and their current limitations are briefly discussed. Multiple studies have exploited the advantages of mimicking organs or tissues on a chip. Among these, we focused our attention on the brain-on-a-chip, blood-brain barrier (BBB)-on-a-chip, and neurovascular unit (NVU)-on-a-chip applications. Mainly, we review the latest developments of brain-on-a-chip, BBB-on-a-chip, and NVU-on-a-chip devices and their use as testing platforms for high-throughput pharmacological screening. In particular, we analyze the most important contributions of these studies in the field of neurodegenerative diseases and their relevance in translational personalized medicine.
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Affiliation(s)
- Cristina Elena Staicu
- Department of Anatomy, Animal Physiology and Biophysics, Faculty of Biology, University of Bucharest, 050095 Bucharest, Romania;
- Center for Advanced Laser Technologies, National Institute for Laser, Plasma and Radiation Physics, 077125 Măgurele, Romania; (F.J.); (E.A.); (F.S.)
| | - Florin Jipa
- Center for Advanced Laser Technologies, National Institute for Laser, Plasma and Radiation Physics, 077125 Măgurele, Romania; (F.J.); (E.A.); (F.S.)
| | - Emanuel Axente
- Center for Advanced Laser Technologies, National Institute for Laser, Plasma and Radiation Physics, 077125 Măgurele, Romania; (F.J.); (E.A.); (F.S.)
| | - Mihai Radu
- Department of Life and Environmental Physics, ‘Horia Hulubei’ National Institute for Physics and Nuclear Engineering, 077125 Măgurele, Romania;
| | - Beatrice Mihaela Radu
- Department of Anatomy, Animal Physiology and Biophysics, Faculty of Biology, University of Bucharest, 050095 Bucharest, Romania;
| | - Felix Sima
- Center for Advanced Laser Technologies, National Institute for Laser, Plasma and Radiation Physics, 077125 Măgurele, Romania; (F.J.); (E.A.); (F.S.)
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83
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Sipos EH, Léty-Stefanska A, Denby Wilkes C, Soutourina J, Malloggi F. Microfluidic platform for monitoring Saccharomyces cerevisiae mutation accumulation. LAB ON A CHIP 2021; 21:2407-2416. [PMID: 33960358 DOI: 10.1039/d1lc00086a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Mutations in DNA have large-ranging consequences, from evolution to disease. Many mechanisms contribute to mutational processes such as dysfunctions in DNA repair pathways and exogenous or endogenous mutagen exposures. Model organisms and mutation accumulation (MA) experiments are indispensable to study mutagenesis. Classical MA is, however, time consuming and laborious. To fill the need for more efficient approaches to characterize mutational profiles, we have developed an innovative microfluidic-based system that automatizes MA culturing over many generations in budding yeast. This unique experimental tool, coupled with high-throughput sequencing, reduces by one order of magnitude the time required for genome-wide measurements of mutational profiles, while also parallelizing and simplifying the cell culture. To validate our approach, we performed microfluidic MA experiments on two different genetic backgrounds, a wild-type strain and a base-excision DNA repair ung1 mutant characterized by a well-defined mutational profile. We show that the microfluidic device allows for mutation accumulation comparable to the traditional method on plate. Our approach thus paves the way to massively-parallel MA experiments with minimal human intervention that can be used to investigate mutational processes at the origin of human diseases and to identify mutagenic compounds relevant for medical and environmental research.
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Affiliation(s)
- Eliet H Sipos
- Université Paris-Saclay, CEA, CNRS, Institute for Integrative Biology of the Cell (I2BC), 91198, Gif-sur-Yvette, France.
| | | | - Cyril Denby Wilkes
- Université Paris-Saclay, CEA, CNRS, Institute for Integrative Biology of the Cell (I2BC), 91198, Gif-sur-Yvette, France.
| | - Julie Soutourina
- Université Paris-Saclay, CEA, CNRS, Institute for Integrative Biology of the Cell (I2BC), 91198, Gif-sur-Yvette, France.
| | - Florent Malloggi
- Université Paris-Saclay, CEA, CNRS, NIMBE, 91191 Gif-sur-Yvette Cedex, France.
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84
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Kim M, Kwon Y, Ahn Y. Paper-based mediatorless enzymatic microfluidic biofuel cells. Biosens Bioelectron 2021; 190:113391. [PMID: 34118761 DOI: 10.1016/j.bios.2021.113391] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 05/27/2021] [Accepted: 05/29/2021] [Indexed: 12/21/2022]
Abstract
In this study, eco-friendly and disposable paper-based membraneless microfluidic enzymatic fuel cells (EFCs) were developed without any mediators to reduce the toxicity and cost of EFCs. Glucose oxidase and laccase were immobilized on multi-walled carbon nanotube electrodes to catalyze the redox reaction of glucose and oxygen. Micromachining techniques well-suited for mass production were used to precisely fabricate micro-scale Y-shaped and cross-shaped EFCs. Experimental measurements showed that the concentration of glucose in the fuel solution affects the cell performance, which occurs because the flow speed of the fuel stream decreases as the concentration of glucose increases. The highest performance of power density (104.2 ± 3.35 μW cm-2) and current density (615.6 ± 3.14 μA cm-2) were obtained with the Y-shaped channel configuration at a glucose concentration of 100 mM. This performance is the best of all paper-based single EFCs reported to date. The new paper-based co-laminar flow mediatorless EFC exhibits strong potential to power miniaturized and portable on-site diagnostic devices.
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Affiliation(s)
- Myunghun Kim
- Dept. of Mechanical Engineering, BK21 FOUR ERICA-ACE Center, Hanyang University, 55 Hanyangdaehak-ro, Sangnok-gu, Ansan, Gyeonggi-do, 15588, South Korea
| | - Youngju Kwon
- Dept. of Mechanical Engineering, BK21 FOUR ERICA-ACE Center, Hanyang University, 55 Hanyangdaehak-ro, Sangnok-gu, Ansan, Gyeonggi-do, 15588, South Korea
| | - Yoomin Ahn
- Dept. of Mechanical Engineering, BK21 FOUR ERICA-ACE Center, Hanyang University, 55 Hanyangdaehak-ro, Sangnok-gu, Ansan, Gyeonggi-do, 15588, South Korea.
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85
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Murray BO, Flores C, Williams C, Flusberg DA, Marr EE, Kwiatkowska KM, Charest JL, Isenberg BC, Rohn JL. Recurrent Urinary Tract Infection: A Mystery in Search of Better Model Systems. Front Cell Infect Microbiol 2021; 11:691210. [PMID: 34123879 PMCID: PMC8188986 DOI: 10.3389/fcimb.2021.691210] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Accepted: 05/04/2021] [Indexed: 12/12/2022] Open
Abstract
Urinary tract infections (UTIs) are among the most common infectious diseases worldwide but are significantly understudied. Uropathogenic E. coli (UPEC) accounts for a significant proportion of UTI, but a large number of other species can infect the urinary tract, each of which will have unique host-pathogen interactions with the bladder environment. Given the substantial economic burden of UTI and its increasing antibiotic resistance, there is an urgent need to better understand UTI pathophysiology - especially its tendency to relapse and recur. Most models developed to date use murine infection; few human-relevant models exist. Of these, the majority of in vitro UTI models have utilized cells in static culture, but UTI needs to be studied in the context of the unique aspects of the bladder's biophysical environment (e.g., tissue architecture, urine, fluid flow, and stretch). In this review, we summarize the complexities of recurrent UTI, critically assess current infection models and discuss potential improvements. More advanced human cell-based in vitro models have the potential to enable a better understanding of the etiology of UTI disease and to provide a complementary platform alongside animals for drug screening and the search for better treatments.
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Affiliation(s)
- Benjamin O. Murray
- Centre for Urological Biology, Department of Renal Medicine, University College London, London, United Kingdom
| | - Carlos Flores
- Centre for Urological Biology, Department of Renal Medicine, University College London, London, United Kingdom
| | - Corin Williams
- Department of Bioengineering, Charles Stark Draper Laboratory, Inc., Cambridge, MA, United States
| | - Deborah A. Flusberg
- Department of Bioengineering, Charles Stark Draper Laboratory, Inc., Cambridge, MA, United States
| | - Elizabeth E. Marr
- Department of Bioengineering, Charles Stark Draper Laboratory, Inc., Cambridge, MA, United States
| | - Karolina M. Kwiatkowska
- Centre for Urological Biology, Department of Renal Medicine, University College London, London, United Kingdom
| | - Joseph L. Charest
- Department of Bioengineering, Charles Stark Draper Laboratory, Inc., Cambridge, MA, United States
| | - Brett C. Isenberg
- Department of Bioengineering, Charles Stark Draper Laboratory, Inc., Cambridge, MA, United States
| | - Jennifer L. Rohn
- Centre for Urological Biology, Department of Renal Medicine, University College London, London, United Kingdom
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86
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Pinho D, Santos D, Vila A, Carvalho S. Establishment of Colorectal Cancer Organoids in Microfluidic-Based System. MICROMACHINES 2021; 12:497. [PMID: 33924829 PMCID: PMC8146416 DOI: 10.3390/mi12050497] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 04/26/2021] [Accepted: 04/26/2021] [Indexed: 12/24/2022]
Abstract
Colorectal cancer is the second leading cause of cancer death worldwide. Significant advances in the molecular mechanisms underlying colorectal cancer have been made; however, the clinical approval of new drugs faces many challenges. Drug discovery is a lengthy process causing a rapid increase in global health care costs. Patient-derived tumour organoids are considered preclinical models with the potential for preclinical drug screening, prediction of patient outcomes, and guiding optimized therapy strategies at an individual level. Combining microfluidic technology with 3D tumour organoid models to recapitulate tumour organization and in vivo functions led to the development of an appropriate preclinical tumour model, organoid-on-a-chip, paving the way for personalized cancer medicine. Herein, a low-cost microfluidic device suitable for culturing and expanding organoids, OrganoidChip, was developed. Patient-derived colorectal cancer organoids were cultured within OrganoidChip, and their viability and proliferative activity increased significantly. No significant differences were verified in the organoids' response to 5-fluorouracil (5-FU) treatment on-chip and on-plate. However, the culture within the OrganoidChip led to a significant increase in colorectal cancer organoid-forming efficiency and overall size compared with conventional culture on a 24-well plate. Interestingly, early-stage and late-stage organoids were predominantly observed on-plate and within the OrganoidChip, respectively. The OrganoidChip thus has the potential to generate in vivo-like organotypic structures for disease modelling and drug screening applications.
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Affiliation(s)
- Diana Pinho
- International Iberian Nanotechnology Laboratory, Department of Nanoelectronics Engineering, 4715-330 Braga, Portugal;
| | - Denis Santos
- International Iberian Nanotechnology Laboratory, Department of Nanoelectronics Engineering, 4715-330 Braga, Portugal;
| | - Ana Vila
- International Iberian Nanotechnology Laboratory, IP Exploitation and Knowledge Transfer, 4715-330 Braga, Portugal;
| | - Sandra Carvalho
- International Iberian Nanotechnology Laboratory, Department of Nanoelectronics Engineering, 4715-330 Braga, Portugal;
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87
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Ustun M, Rahmani Dabbagh S, Ilci IS, Bagci-Onder T, Tasoglu S. Glioma-on-a-Chip Models. MICROMACHINES 2021; 12:490. [PMID: 33926127 PMCID: PMC8145995 DOI: 10.3390/mi12050490] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 04/22/2021] [Accepted: 04/23/2021] [Indexed: 12/16/2022]
Abstract
Glioma, as an aggressive type of cancer, accounts for virtually 80% of malignant brain tumors. Despite advances in therapeutic approaches, the long-term survival of glioma patients is poor (it is usually fatal within 12-14 months). Glioma-on-chip platforms, with continuous perfusion, mimic in vivo metabolic functions of cancer cells for analytical purposes. This offers an unprecedented opportunity for understanding the underlying reasons that arise glioma, determining the most effective radiotherapy approach, testing different drug combinations, and screening conceivable side effects of drugs on other organs. Glioma-on-chip technologies can ultimately enhance the efficacy of treatments, promote the survival rate of patients, and pave a path for personalized medicine. In this perspective paper, we briefly review the latest developments of glioma-on-chip technologies, such as therapy applications, drug screening, and cell behavior studies, and discuss the current challenges as well as future research directions in this field.
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Affiliation(s)
- Merve Ustun
- Graduate School of Sciences and Engineering, Koc University, Sariyer, 34450 Istanbul, Turkey;
| | - Sajjad Rahmani Dabbagh
- Department of Mechanical Engineering, Koç University, Sariyer, 34450 Istanbul, Turkey;
- Koç University Arçelik Research Center for Creative Industries (KUAR), Koç University, Sariyer, 34450 Istanbul, Turkey
| | - Irem Sultan Ilci
- Department of Bioengineering, Yildiz Technical University, 34220 Istanbul, Turkey;
| | - Tugba Bagci-Onder
- Brain Cancer Research and Therapy Lab, Koç University School of Medicine, 34450 Istanbul, Turkey;
- Koç University Research Center for Translational Medicine, Koç University, Sariyer, 34450 Istanbul, Turkey
| | - Savas Tasoglu
- Department of Mechanical Engineering, Koç University, Sariyer, 34450 Istanbul, Turkey;
- Koç University Arçelik Research Center for Creative Industries (KUAR), Koç University, Sariyer, 34450 Istanbul, Turkey
- Koç University Research Center for Translational Medicine, Koç University, Sariyer, 34450 Istanbul, Turkey
- Center for Life Sciences and Technologies, Bogazici University, Bebek, 34342 Istanbul, Turkey
- Boğaziçi Institute of Biomedical Engineering, Boğaziçi University, Çengelköy, 34684 Istanbul, Turkey
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88
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Dabaghi M, Shahriari S, Saraei N, Da K, Chandiramohan A, Selvaganapathy PR, Hirota JA. Surface Modification of PDMS-Based Microfluidic Devices with Collagen Using Polydopamine as a Spacer to Enhance Primary Human Bronchial Epithelial Cell Adhesion. MICROMACHINES 2021; 12:mi12020132. [PMID: 33530564 PMCID: PMC7911361 DOI: 10.3390/mi12020132] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 01/22/2021] [Accepted: 01/23/2021] [Indexed: 02/06/2023]
Abstract
Polydimethylsiloxane (PDMS) is a silicone-based synthetic material used in various biomedical applications due to its properties, including transparency, flexibility, permeability to gases, and ease of use. Though PDMS facilitates and assists the fabrication of complicated geometries at micro- and nano-scales, it does not optimally interact with cells for adherence and proliferation. Various strategies have been proposed to render PDMS to enhance cell attachment. The majority of these surface modification techniques have been offered for a static cell culture system. However, dynamic cell culture systems such as organ-on-a-chip devices are demanding platforms that recapitulate a living tissue microenvironment's complexity. In organ-on-a-chip platforms, PDMS surfaces are usually coated by extracellular matrix (ECM) proteins, which occur as a result of a physical and weak bonding between PDMS and ECM proteins, and this binding can be degraded when it is exposed to shear stresses. This work reports static and dynamic coating methods to covalently bind collagen within a PDMS-based microfluidic device using polydopamine (PDA). These coating methods were evaluated using water contact angle measurement and atomic force microscopy (AFM) to optimize coating conditions. The biocompatibility of collagen-coated PDMS devices was assessed by culturing primary human bronchial epithelial cells (HBECs) in microfluidic devices. It was shown that both PDA coating methods could be used to bind collagen, thereby improving cell adhesion (approximately three times higher) without showing any discernible difference in cell attachment between these two methods. These results suggested that such a surface modification can help coat extracellular matrix protein onto PDMS-based microfluidic devices.
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Affiliation(s)
- Mohammadhossein Dabaghi
- Firestone Institute for Respiratory Health–Division of Respirology, Department of Medicine, McMaster University, Hamilton, ON L8N 4A6, Canada; (M.D.); (N.S.); (A.C.)
| | - Shadi Shahriari
- Department of Mechanical Engineering, McMaster University, Hamilton, ON L8S 4L7, Canada; (S.S.); (P.R.S.)
| | - Neda Saraei
- Firestone Institute for Respiratory Health–Division of Respirology, Department of Medicine, McMaster University, Hamilton, ON L8N 4A6, Canada; (M.D.); (N.S.); (A.C.)
| | - Kevin Da
- Department of Chemical Engineering, McMaster University, Hamilton, ON L8S 4L7, Canada;
| | - Abiram Chandiramohan
- Firestone Institute for Respiratory Health–Division of Respirology, Department of Medicine, McMaster University, Hamilton, ON L8N 4A6, Canada; (M.D.); (N.S.); (A.C.)
| | - Ponnambalam Ravi Selvaganapathy
- Department of Mechanical Engineering, McMaster University, Hamilton, ON L8S 4L7, Canada; (S.S.); (P.R.S.)
- School of Biomedical Engineering, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Jeremy A. Hirota
- Firestone Institute for Respiratory Health–Division of Respirology, Department of Medicine, McMaster University, Hamilton, ON L8N 4A6, Canada; (M.D.); (N.S.); (A.C.)
- School of Biomedical Engineering, McMaster University, Hamilton, ON L8S 4K1, Canada
- Division of Respiratory Medicine, Department of Medicine, University of British Columbia, Vancouver, BC V6H 3Z6, Canada
- Department of Biology, University of Waterloo, Waterloo, ON N2L 3G1, Canada
- Correspondence:
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89
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Przystupski D, Górska A, Michel O, Podwin A, Śniadek P, Łapczyński R, Saczko J, Kulbacka J. Testing Lab-on-a-Chip Technology for Culturing Human Melanoma Cells under Simulated Microgravity. Cancers (Basel) 2021; 13:402. [PMID: 33499085 PMCID: PMC7866167 DOI: 10.3390/cancers13030402] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 01/16/2021] [Accepted: 01/20/2021] [Indexed: 01/31/2023] Open
Abstract
The dynamic development of the space industry makes space flights more accessible and opens up new opportunities for biological research to better understand cell physiology under real microgravity. Whereas specialized studies in space remain out of our reach, preliminary experiments can be performed on Earth under simulated microgravity (sµg). Based on this concept, we used a 3D-clinostat (3D-C) to analyze the effect of short exposure to sµg on human keratinocytes HaCaT and melanoma cells A375 cultured on all-glass Lab-on-a-Chip (LOC). Our preliminary studies included viability evaluation, mitochondrial and caspase activity, and proliferation assay, enabling us to determine the effect of sµg on human cells. By comparing the results concerning cells cultured on LOCs and standard culture dishes, we were able to confirm the biocompatibility of all-glass LOCs and their potential application in microgravity research on selected human cell lines. Our studies revealed that HaCaT and A375 cells are susceptible to simulated microgravity; however, we observed an increased caspase activity and a decrease of proliferation in cancer cells cultured on LOCs in comparison to standard cell cultures. These results are an excellent basis to conduct further research on the possible application of LOCs systems in cancer research in space.
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Affiliation(s)
- Dawid Przystupski
- Department of Paediatric Bone Marrow Transplantation, Oncology and Haematology, Wroclaw Medical University, Borowska 213, 50-556 Wroclaw, Poland;
- Department of Molecular and Cellular Biology, Wroclaw Medical University, Borowska 211A, 50-556 Wroclaw, Poland; (A.G.); (J.S.); (J.K.)
| | - Agata Górska
- Department of Molecular and Cellular Biology, Wroclaw Medical University, Borowska 211A, 50-556 Wroclaw, Poland; (A.G.); (J.S.); (J.K.)
- Department of Cell Pathology, Faculty of Biotechnology, University of Wroclaw, Joliot-Curie 14a, 50-383 Wroclaw, Poland
| | - Olga Michel
- Department of Molecular and Cellular Biology, Wroclaw Medical University, Borowska 211A, 50-556 Wroclaw, Poland; (A.G.); (J.S.); (J.K.)
| | - Agnieszka Podwin
- Faculty of Microsystem Electronics and Photonics, Wrocław University of Science and Technology, 50-370 Wrocław, Poland; (A.P.); (P.Ś.)
| | - Patrycja Śniadek
- Faculty of Microsystem Electronics and Photonics, Wrocław University of Science and Technology, 50-370 Wrocław, Poland; (A.P.); (P.Ś.)
| | | | - Jolanta Saczko
- Department of Molecular and Cellular Biology, Wroclaw Medical University, Borowska 211A, 50-556 Wroclaw, Poland; (A.G.); (J.S.); (J.K.)
| | - Julita Kulbacka
- Department of Molecular and Cellular Biology, Wroclaw Medical University, Borowska 211A, 50-556 Wroclaw, Poland; (A.G.); (J.S.); (J.K.)
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90
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Chmayssem A, Monsalve-Grijalba K, Alias M, Mourier V, Vignoud S, Scomazzon L, Muller C, Barthes J, Vrana NE, Mailley P. Reference method for off-line analysis of nitrogen oxides in cell culture media by an ozone-based chemiluminescence detector. Anal Bioanal Chem 2021; 413:1383-1393. [PMID: 33404746 DOI: 10.1007/s00216-020-03102-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 11/25/2020] [Accepted: 11/26/2020] [Indexed: 11/28/2022]
Abstract
Nitric oxide (NO) and its by-products are important biological signals in human physiology and pathology particularly in the vascular and immune systems. Thus, in situ determination of the NO-related molecule (NOx) levels using embedded sensors is of high importance particularly in the context of cellular biocompatibility testing. However, NOx analytical reference method dedicated to the evaluation of biomaterial biocompatibility testing is lacking. Herein, we demonstrate a PAPA-NONOate-based reference method for the calibration of NOx sensors. After, the validation of this reference method and its potentialities were demonstrated for the detection of the oxidative stress-related NO secretion of vascular endothelial cells in a 3D tissue issued from 3D printing. Such NOx detection method can be an integral part of cell response to biomaterials. Graphical abstract.
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Affiliation(s)
- Ayman Chmayssem
- Univ. Grenoble Alpes, CEA, LETI, DTBS, L2CB, Grenoble, F-38000, France.
| | | | - Mélanie Alias
- Univ. Grenoble Alpes, CEA, LETI, DTBS, L2CB, Grenoble, F-38000, France
| | - Véronique Mourier
- Univ. Grenoble Alpes, CEA, LETI, DTBS, L2CB, Grenoble, F-38000, France
| | - Séverine Vignoud
- Univ. Grenoble Alpes, CEA, LETI, DTBS, L2CB, Grenoble, F-38000, France
| | - Loïc Scomazzon
- Inserm UMR 1121, 11 rue Humann, 67085, Strasbourg, France
| | - Céline Muller
- Inserm UMR 1121, 11 rue Humann, 67085, Strasbourg, France
| | - Julien Barthes
- Inserm UMR 1121, 11 rue Humann, 67085, Strasbourg, France
| | - Nihal Engin Vrana
- Spartha Medical, 14B Rue de la Canardière, 67100, Strasbourg, France
| | - Pascal Mailley
- Univ. Grenoble Alpes, CEA, LETI, DTBS, L2CB, Grenoble, F-38000, France.
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91
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Kociubiński A. Electric Cell-substrate Impedance Sensing in Biocompatibility Research. JOURNAL OF ELECTRICAL BIOIMPEDANCE 2021; 12:163-168. [PMID: 35111271 PMCID: PMC8776311 DOI: 10.2478/joeb-2021-0019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Indexed: 05/10/2023]
Abstract
In this paper, the possibility of using cell culture impedance measurements to assess the biocompatibility of a material in contact with cells was analyzed. For this purpose, the Electric Cell-substrate Impedance Sensing (ECIS) method and a commercial measuring device were used. The test substrates with thin-film electrodes made of various metals were prepared using the magnetron sputtering method. The choice of metals was dictated by their varying degrees of biocompatibility. Cultures of mouse fibroblasts were cultured on the prepared substrates. The experiment showed that the complete cycle of culture from attachment and reproduction to apoptosis occurred. The results obtained indicate that it is possible to use the ECIS method to study the influence of metal on cell culture activity.
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Affiliation(s)
- Andrzej Kociubiński
- Department of Electronics and Information Technology, Lublin University of Technology, Lublin, Poland
- E-mail:
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92
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Yang S, Chen Z, Cheng Y, Liu T, Pu Y, Liang G. Environmental toxicology wars: Organ-on-a-chip for assessing the toxicity of environmental pollutants. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 268:115861. [PMID: 33120150 DOI: 10.1016/j.envpol.2020.115861] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Revised: 10/13/2020] [Accepted: 10/14/2020] [Indexed: 05/07/2023]
Abstract
Environmental pollution is a widespread problem, which has seriously threatened human health and led to an increase of human diseases. Therefore, it is critical to evaluate environmental pollutants quickly and efficiently. Because of obvious inter-species differences between animals and humans, and lack of physiologically-relevant microenvironment, animal models and in vitro two-dimensional (2D) models can not accurately describe toxicological effects and predicting actual in vivo responses. To make up the limitations of conventional environmental toxicology screening, organ-on-a-chip (OOC) systems are increasingly developing. OOC systems can provide a well-organized architecture with comparable to the complex microenvironment in vivo and generate realistic responses to environmental pollutants. The feasibility, adjustability and reliability of OCC systems make it possible to offer new opportunities for environmental pollutants screening, which can study their metabolism, collective response, and fate in vivo. Further progress can address the challenges to make OCC systems better investigate and evaluate environmental pollutants with high predictive power.
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Affiliation(s)
- Sheng Yang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, Jiangsu, PR China, 210009.
| | - Zaozao Chen
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu, PR China, 210096.
| | - Yanping Cheng
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, Jiangsu, PR China, 210009.
| | - Tong Liu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, Jiangsu, PR China, 210009.
| | - Yuepu Pu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, Jiangsu, PR China, 210009.
| | - Geyu Liang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, Jiangsu, PR China, 210009.
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93
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Burnier M, Fouque D. The unsolved challenge of implementing sustained reductions of sodium intake in patients with chronic kidney disease. Nephrol Dial Transplant 2020; 36:gfaa268. [PMID: 33367776 DOI: 10.1093/ndt/gfaa268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Indexed: 11/13/2022] Open
Affiliation(s)
- Michel Burnier
- Service of Nephrology and Hypertension, University Hospital, Lausanne, Switzerland
- Hypertension Research Foundation, St-Légier, Switzerland
| | - Denis Fouque
- Department of Nephrology, Nutrition and Dialysis, University of Lyon, Hospital Lyon-SUD, Pierre-Bénite, France
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94
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Advanced 3D Cell Culture Techniques in Micro-Bioreactors, Part II: Systems and Applications. Processes (Basel) 2020. [DOI: 10.3390/pr9010021] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
In this second part of our systematic review on the research area of 3D cell culture in micro-bioreactors we give a detailed description of the published work with regard to the existing micro-bioreactor types and their applications, and highlight important results gathered with the respective systems. As an interesting detail, we found that micro-bioreactors have already been used in SARS-CoV research prior to the SARS-CoV2 pandemic. As our literature research revealed a variety of 3D cell culture configurations in the examined bioreactor systems, we defined in review part one “complexity levels” by means of the corresponding 3D cell culture techniques applied in the systems. The definition of the complexity is thereby based on the knowledge that the spatial distribution of cell-extracellular matrix interactions and the spatial distribution of homologous and heterologous cell–cell contacts play an important role in modulating cell functions. Because at least one of these parameters can be assigned to the 3D cell culture techniques discussed in the present review, we structured the studies according to the complexity levels applied in the MBR systems.
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95
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Metastatic behavior analyses of tetraspanin TM4SF5-expressing spheres in three-dimensional (3D) cell culture environment. Arch Pharm Res 2020; 43:1162-1172. [PMID: 33222072 DOI: 10.1007/s12272-020-01291-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 11/16/2020] [Indexed: 12/26/2022]
Abstract
Cancer metastasis involves diverse cellular functions via bidirectional communications between intracellular and extracellular spaces. To achieve development of the anti-metastatic drugs, one needs to consider the efficacy and mode of action (MOA) of the drug candidates to block the metastatic potentials of cancerous cells. Rather than under two-dimensional environment, investigation of the metastatic potentials under three-dimensional environment would be much pharmaceutically beneficent, since it can mimic the in vivo tumor lesions in cancer patients, leading to allowance of drug candidates analyzed in the 3D culture systems to lower failure rates during the anti-metastatic drug development. Here we have reviewed on the analyses of metastatic potentials of certain cancer models in 3D culture systems surrounded with extracellular matrix proteins, which could be supported by TM4SF5- and/or EMT-mediated actions. We particularly focused the initial events of the cancer metastasis, such as invasive outgrowth and dissemination from the cancer cell masses, spheroids, embedded in the 3D gel culture systems. This review summarizes the significance of tetraspanin TM4SF5 and Snail1 that are related to EMT in the metastatic potentials explored in the 3D gel systems.
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96
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Liu T, Weng W, Zhang Y, Sun X, Yang H. Applications of Gelatin Methacryloyl (GelMA) Hydrogels in Microfluidic Technique-Assisted Tissue Engineering. Molecules 2020; 25:E5305. [PMID: 33202954 PMCID: PMC7698322 DOI: 10.3390/molecules25225305] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Revised: 11/07/2020] [Accepted: 11/12/2020] [Indexed: 12/13/2022] Open
Abstract
In recent years, the microfluidic technique has been widely used in the field of tissue engineering. Possessing the advantages of large-scale integration and flexible manipulation, microfluidic devices may serve as the production line of building blocks and the microenvironment simulator in tissue engineering. Additionally, in microfluidic technique-assisted tissue engineering, various biomaterials are desired to fabricate the tissue mimicking or repairing structures (i.e., particles, fibers, and scaffolds). Among the materials, gelatin methacrylate (GelMA)-based hydrogels have shown great potential due to their biocompatibility and mechanical tenability. In this work, applications of GelMA hydrogels in microfluidic technique-assisted tissue engineering are reviewed mainly from two viewpoints: Serving as raw materials for microfluidic fabrication of building blocks in tissue engineering and the simulation units in microfluidic chip-based microenvironment-mimicking devices. In addition, challenges and outlooks of the exploration of GelMA hydrogels in tissue engineering applications are proposed.
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Affiliation(s)
- Taotao Liu
- Department of Biomedical Engineering, School of Fundamental Sciences, China Medical University, Shenyang 110122, China; (T.L.); (W.W.); (Y.Z.)
| | - Wenxian Weng
- Department of Biomedical Engineering, School of Fundamental Sciences, China Medical University, Shenyang 110122, China; (T.L.); (W.W.); (Y.Z.)
| | - Yuzhuo Zhang
- Department of Biomedical Engineering, School of Fundamental Sciences, China Medical University, Shenyang 110122, China; (T.L.); (W.W.); (Y.Z.)
| | - Xiaoting Sun
- Department of Chemistry, School of Fundamental Sciences, China Medical University, Shenyang 110122, China
| | - Huazhe Yang
- Department of Biophysics, School of Fundamental Sciences, China Medical University, Shenyang 110122, China
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97
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Çağlayan Z, Demircan Yalçın Y, Külah H. A Prominent Cell Manipulation Technique in BioMEMS: Dielectrophoresis. MICROMACHINES 2020; 11:E990. [PMID: 33153069 PMCID: PMC7693018 DOI: 10.3390/mi11110990] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 10/22/2020] [Accepted: 10/28/2020] [Indexed: 12/17/2022]
Abstract
BioMEMS, the biological and biomedical applications of micro-electro-mechanical systems (MEMS), has attracted considerable attention in recent years and has found widespread applications in disease detection, advanced diagnosis, therapy, drug delivery, implantable devices, and tissue engineering. One of the most essential and leading goals of the BioMEMS and biosensor technologies is to develop point-of-care (POC) testing systems to perform rapid prognostic or diagnostic tests at a patient site with high accuracy. Manipulation of particles in the analyte of interest is a vital task for POC and biosensor platforms. Dielectrophoresis (DEP), the induced movement of particles in a non-uniform electrical field due to polarization effects, is an accurate, fast, low-cost, and marker-free manipulation technique. It has been indicated as a promising method to characterize, isolate, transport, and trap various particles. The aim of this review is to provide fundamental theory and principles of DEP technique, to explain its importance for the BioMEMS and biosensor fields with detailed references to readers, and to identify and exemplify the application areas in biosensors and POC devices. Finally, the challenges faced in DEP-based systems and the future prospects are discussed.
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Affiliation(s)
- Zeynep Çağlayan
- Department of Electrical and Electronics Engineering, Middle East Technical University, Ankara 06800, Turkey; (Z.Ç.); (Y.D.Y.)
- METU MEMS Research and Application Center, Ankara 06800, Turkey
| | - Yağmur Demircan Yalçın
- Department of Electrical and Electronics Engineering, Middle East Technical University, Ankara 06800, Turkey; (Z.Ç.); (Y.D.Y.)
- Mikro Biyosistemler Electronics Inc., Ankara 06530, Turkey
| | - Haluk Külah
- Department of Electrical and Electronics Engineering, Middle East Technical University, Ankara 06800, Turkey; (Z.Ç.); (Y.D.Y.)
- METU MEMS Research and Application Center, Ankara 06800, Turkey
- Mikro Biyosistemler Electronics Inc., Ankara 06530, Turkey
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98
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Ort C, Lee W, Kalashnikov N, Moraes C. Disentangling the fibrous microenvironment: designer culture models for improved drug discovery. Expert Opin Drug Discov 2020; 16:159-171. [PMID: 32988224 DOI: 10.1080/17460441.2020.1822815] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
INTRODUCTION Standard high-throughput screening (HTS) assays rarely identify clinically viable 'hits', likely because cells do not experience physiologically realistic culture conditions. The biophysical nature of the extracellular matrix has emerged as a critical driver of cell function and response and recreating these factors could be critically important in streamlining the drug discovery pipeline. AREAS COVERED The authors review recent design strategies to understand and manipulate biophysical features of three-dimensional fibrous tissues. The effects of architectural parameters of the extracellular matrix and their resulting mechanical behaviors are deconstructed; and their individual and combined impact on cell behavior is examined. The authors then illustrate the potential impact of these physical features on designing next-generation platforms to identify drugs effective against breast cancer. EXPERT OPINION Progression toward increased culture complexity must be balanced against the demanding technical requirements for high-throughput screening; and strategies to identify the minimal set of microenvironmental parameters needed to recreate disease-relevant responses must be specifically tailored to the disease stage and organ system being studied. Although challenging, this can be achieved through integrative and multidisciplinary technologies that span microfabrication, cell biology, and tissue engineering.
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Affiliation(s)
- Carley Ort
- Department of Chemical Engineering, McGill University , Montreal, Canada
| | - Wontae Lee
- Department of Chemical Engineering, McGill University , Montreal, Canada
| | - Nikita Kalashnikov
- Department of Chemical Engineering, McGill University , Montreal, Canada
| | - Christopher Moraes
- Department of Chemical Engineering, McGill University , Montreal, Canada.,Department of Biomedical Engineering, McGill University , Montreal, Canada.,Rosalind & Morris Goodman Cancer Research Center, McGill University , Montreal, Canada
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