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Ouahoud S, Giugliano FP, Muncan V. Monitoring Intestinal Organoid-Derived Monolayer Barrier Functions with Electric Cell-Substrate Impedance Sensing (ECIS). Bio Protoc 2024; 14:e4947. [PMID: 38464939 PMCID: PMC10917696 DOI: 10.21769/bioprotoc.4947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 01/25/2024] [Accepted: 01/25/2024] [Indexed: 03/12/2024] Open
Abstract
The measurement of transepithelial electrical resistance across confluent cell monolayer systems is the most commonly used technique to study intestinal barrier development and integrity. Electric cell substrate impedance sensing (ECIS) is a real-time, label-free, impedance-based method used to study various cell behaviors such as cell growth, viability, migration, and barrier function in vitro. So far, the ECIS technology has exclusively been performed on cell lines. Organoids, however, are cultured from tissue-specific stem cells, which better recapitulate cell functions and the heterogeneity of the parent tissue than cell lines and are therefore more physiologically relevant for research and modeling of human diseases. In this protocol paper, we demonstrate that ECIS technology can be successfully applied on 2D monolayers generated from patient-derived intestinal organoids. Key features • We present a protocol that allows the assessment of various cell functions, such as proliferation and barrier formation, with ECIS on organoid-derived monolayers. • The protocol facilitates intestinal barrier research on patient tissue-derived organoids, providing a valuable tool for disease modeling.
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Affiliation(s)
- Sarah Ouahoud
- Tytgat Institute for Intestinal and Liver Research, Gastroenterology
Endocrinology and Metabolism, Amsterdam UMC, University of Amsterdam, Amsterdam,
The Netherlands
| | - Francesca P. Giugliano
- Tytgat Institute for Intestinal and Liver Research, Gastroenterology
Endocrinology and Metabolism, Amsterdam UMC, University of Amsterdam, Amsterdam,
The Netherlands
| | - Vanesa Muncan
- Tytgat Institute for Intestinal and Liver Research, Gastroenterology
Endocrinology and Metabolism, Amsterdam UMC, University of Amsterdam, Amsterdam,
The Netherlands
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Lei Y, Sun Y, Wu W, Liu H, Wang X, Shu Y, Fang S. Influenza H7N9 virus disrupts the monolayer human brain microvascular endothelial cells barrier in vitro. Virol J 2023; 20:219. [PMID: 37773164 PMCID: PMC10541704 DOI: 10.1186/s12985-023-02163-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 08/16/2023] [Indexed: 10/01/2023] Open
Abstract
Influenza H7N9 virus causes human infections with about 40% case fatality rate. The severe cases usually present with pneumonia; however, some present with central nervous system complications. Pneumonia syndrome is attributed to the cytokine storm after infection with H7N9, but the pathogenic mechanism of central nervous system complications has not been clarified. This study used immortalized human brain microvascular endothelial cells hCMEC/D3 to simulate the blood-brain barrier. It demonstrated that H7N9 virus could infect brain microvascular endothelial cells and compromise the blood-brain barrier integrity and permeability by down-regulating the expression of cell junction-related proteins, including claudin-5, occludin, and vascular endothelial (VE)-cadherin. These results suggested that H7N9 could infect the blood-brain barrier in vitro and affect its functions, which could be a potential mechanism for the pathogenesis of H7N9 viral encephalopathy.
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Affiliation(s)
- Yuxuan Lei
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen, 518107, China
| | - Ying Sun
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China
| | - Weihua Wu
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China
| | - Hui Liu
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China
| | - Xin Wang
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China
| | - Yuelong Shu
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen, 518107, China.
- Institute of Pathogen Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China.
| | - Shisong Fang
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China.
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Hofmann E, Fink J, Pignet AL, Schwarz A, Schellnegger M, Nischwitz SP, Holzer-Geissler JCJ, Kamolz LP, Kotzbeck P. Human In Vitro Skin Models for Wound Healing and Wound Healing Disorders. Biomedicines 2023; 11:biomedicines11041056. [PMID: 37189674 DOI: 10.3390/biomedicines11041056] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 03/23/2023] [Accepted: 03/24/2023] [Indexed: 05/17/2023] Open
Abstract
Skin wound healing is essential to health and survival. Consequently, high amounts of research effort have been put into investigating the cellular and molecular components involved in the wound healing process. The use of animal experiments has contributed greatly to the knowledge of wound healing, skin diseases, and the exploration of treatment options. However, in addition to ethical concerns, anatomical and physiological inter-species differences often influence the translatability of animal-based studies. Human in vitro skin models, which include essential cellular and structural components for wound healing analyses, would improve the translatability of results and reduce animal experiments during the preclinical evaluation of novel therapy approaches. In this review, we summarize in vitro approaches, which are used to study wound healing as well as wound healing-pathologies such as chronic wounds, keloids, and hypertrophic scars in a human setting.
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Affiliation(s)
- Elisabeth Hofmann
- COREMED-Centre of Regenerative and Precision Medicine, JOANNEUM RESEARCH Forschungsgesellschaft mbH, 8010 Graz, Austria
- Division of Plastic, Aesthetic and Reconstructive Surgery, Department of Surgery, Medical University of Graz, 8036 Graz, Austria
- Research Unit for Tissue Regeneration, Repair and Reconstruction, Division of Plastic, Aesthetic and Reconstructive Surgery, Department of Surgery, Medical University of Graz, 8036 Graz, Austria
| | - Julia Fink
- COREMED-Centre of Regenerative and Precision Medicine, JOANNEUM RESEARCH Forschungsgesellschaft mbH, 8010 Graz, Austria
- Division of Plastic, Aesthetic and Reconstructive Surgery, Department of Surgery, Medical University of Graz, 8036 Graz, Austria
- Research Unit for Tissue Regeneration, Repair and Reconstruction, Division of Plastic, Aesthetic and Reconstructive Surgery, Department of Surgery, Medical University of Graz, 8036 Graz, Austria
| | - Anna-Lisa Pignet
- COREMED-Centre of Regenerative and Precision Medicine, JOANNEUM RESEARCH Forschungsgesellschaft mbH, 8010 Graz, Austria
- Division of Plastic, Aesthetic and Reconstructive Surgery, Department of Surgery, Medical University of Graz, 8036 Graz, Austria
- Research Unit for Tissue Regeneration, Repair and Reconstruction, Division of Plastic, Aesthetic and Reconstructive Surgery, Department of Surgery, Medical University of Graz, 8036 Graz, Austria
| | - Anna Schwarz
- COREMED-Centre of Regenerative and Precision Medicine, JOANNEUM RESEARCH Forschungsgesellschaft mbH, 8010 Graz, Austria
- Division of Plastic, Aesthetic and Reconstructive Surgery, Department of Surgery, Medical University of Graz, 8036 Graz, Austria
- Research Unit for Tissue Regeneration, Repair and Reconstruction, Division of Plastic, Aesthetic and Reconstructive Surgery, Department of Surgery, Medical University of Graz, 8036 Graz, Austria
| | - Marlies Schellnegger
- COREMED-Centre of Regenerative and Precision Medicine, JOANNEUM RESEARCH Forschungsgesellschaft mbH, 8010 Graz, Austria
- Division of Plastic, Aesthetic and Reconstructive Surgery, Department of Surgery, Medical University of Graz, 8036 Graz, Austria
| | - Sebastian P Nischwitz
- Division of Plastic, Aesthetic and Reconstructive Surgery, Department of Surgery, Medical University of Graz, 8036 Graz, Austria
- Research Unit for Tissue Regeneration, Repair and Reconstruction, Division of Plastic, Aesthetic and Reconstructive Surgery, Department of Surgery, Medical University of Graz, 8036 Graz, Austria
| | - Judith C J Holzer-Geissler
- Division of Plastic, Aesthetic and Reconstructive Surgery, Department of Surgery, Medical University of Graz, 8036 Graz, Austria
- Research Unit for Tissue Regeneration, Repair and Reconstruction, Division of Plastic, Aesthetic and Reconstructive Surgery, Department of Surgery, Medical University of Graz, 8036 Graz, Austria
| | - Lars-Peter Kamolz
- COREMED-Centre of Regenerative and Precision Medicine, JOANNEUM RESEARCH Forschungsgesellschaft mbH, 8010 Graz, Austria
- Division of Plastic, Aesthetic and Reconstructive Surgery, Department of Surgery, Medical University of Graz, 8036 Graz, Austria
| | - Petra Kotzbeck
- COREMED-Centre of Regenerative and Precision Medicine, JOANNEUM RESEARCH Forschungsgesellschaft mbH, 8010 Graz, Austria
- Division of Plastic, Aesthetic and Reconstructive Surgery, Department of Surgery, Medical University of Graz, 8036 Graz, Austria
- Research Unit for Tissue Regeneration, Repair and Reconstruction, Division of Plastic, Aesthetic and Reconstructive Surgery, Department of Surgery, Medical University of Graz, 8036 Graz, Austria
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Tolardo V, Magrì D, Fumagalli F, Cassano D, Athanassiou A, Fragouli D, Gioria S. In Vitro High-Throughput Toxicological Assessment of Nanoplastics. NANOMATERIALS 2022; 12:nano12121947. [PMID: 35745286 PMCID: PMC9230863 DOI: 10.3390/nano12121947] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 05/31/2022] [Accepted: 06/02/2022] [Indexed: 12/10/2022]
Abstract
Sub-micrometer particles derived from the fragmentation of plastics in the environment can enter the food chain and reach humans, posing significant health risks. To date, there is a lack of adequate toxicological assessment of the effects of nanoplastics (NPs) in mammalian systems, particularly in humans. In this work, we evaluated the potential toxic effects of three different NPs in vitro: two NPs obtained by laser ablation (polycarbonate (PC) and polyethylene terephthalate (PET1)) and one (PET2) produced by nanoprecipitation. The physicochemical characterization of the NPs showed a smaller size, a larger size distribution, and a higher degree of surface oxidation for the particles produced by laser ablation. Toxicological evaluation performed on human cell line models (HePG2 and Caco-2) showed a higher toxic effect for the particles synthesized by laser ablation, with PC more toxic than PET. Interestingly, on differentiated Caco-2 cells, a conventional intestinal barrier model, none of the NPs produced toxic effects. This work wants to contribute to increase knowledge on the potential risks posed by NPs.
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Affiliation(s)
- Valentina Tolardo
- Smart Materials, Istituto Italiano di Tecnologia, Via Morego, 30, 16163 Genova, Italy; (V.T.); (A.A.); (D.F.)
- Department of Informatics, Bioengineering, Robotics and Systems Engineering, University of Genova, Via All’ Opera Pia, 13, 16145 Genova, Italy
| | - Davide Magrì
- European Commission, Joint Research Centre (JRC), 21027 Ispra, Italy; (D.M.); (F.F.); (D.C.)
| | - Francesco Fumagalli
- European Commission, Joint Research Centre (JRC), 21027 Ispra, Italy; (D.M.); (F.F.); (D.C.)
| | - Domenico Cassano
- European Commission, Joint Research Centre (JRC), 21027 Ispra, Italy; (D.M.); (F.F.); (D.C.)
| | - Athanassia Athanassiou
- Smart Materials, Istituto Italiano di Tecnologia, Via Morego, 30, 16163 Genova, Italy; (V.T.); (A.A.); (D.F.)
| | - Despina Fragouli
- Smart Materials, Istituto Italiano di Tecnologia, Via Morego, 30, 16163 Genova, Italy; (V.T.); (A.A.); (D.F.)
| | - Sabrina Gioria
- European Commission, Joint Research Centre (JRC), 21027 Ispra, Italy; (D.M.); (F.F.); (D.C.)
- Correspondence:
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Wang SH, Tung TH, Chiu SP, Chou HY, Hung YH, Lai YT, Lee YW, Lee SP, Lo CM. Detecting Effects of Low Levels of FCCP on Stem Cell Micromotion and Wound-Healing Migration by Time-Series Capacitance Measurement. SENSORS 2021; 21:s21093017. [PMID: 33923058 PMCID: PMC8123359 DOI: 10.3390/s21093017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 04/23/2021] [Accepted: 04/23/2021] [Indexed: 01/17/2023]
Abstract
Electric cell–substrate impedance sensing (ECIS) has been used as a real-time impedance-based method to quantify cell behavior in tissue culture. The method is capable of measuring both the resistance and capacitance of a cell-covered microelectrode at various AC frequencies. In this study, we demonstrate the application of high-frequency capacitance measurement (f = 40 or 64 kHz) for the sensitive detection of both the micromotion and wound-healing migration of human mesenchymal stem cells (hMSCs). Impedance measurements of cell-covered electrodes upon the challenge of various concentrations of carbonyl cyanide 4-(trifluoromethoxy)phenylhydrazone (FCCP), from 0.1 to 30 μM, were conducted using ECIS. FCCP is an uncoupler of mitochondrial oxidative phosphorylation (OXPHOS), thereby reducing mitochondrial ATP production. By numerically analyzing the time-series capacitance data, a dose-dependent decrease in hMSC micromotion and wound-healing migration was observed, and the effect was significantly detected at levels as low as 0.1 μM. While most reported works with ECIS use the resistance/impedance time series, our results suggest the potential use of high-frequency capacitance time series for assessing migratory cell behavior such as micromotion and wound-healing migration.
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Affiliation(s)
- Si-Han Wang
- Department of Biomedical Engineering, National Yang-Ming University, Taipei 11221, Taiwan; (S.-H.W.); (T.-H.T.); (H.-Y.C.); (Y.-H.H.); (Y.-T.L.); (Y.-W.L.)
| | - Tse-Hua Tung
- Department of Biomedical Engineering, National Yang-Ming University, Taipei 11221, Taiwan; (S.-H.W.); (T.-H.T.); (H.-Y.C.); (Y.-H.H.); (Y.-T.L.); (Y.-W.L.)
| | - Sheng-Po Chiu
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Tri-Service General Hospital Songshan Branch, National Defense Medical Center, Taipei 11490, Taiwan;
| | - Hsin-Yi Chou
- Department of Biomedical Engineering, National Yang-Ming University, Taipei 11221, Taiwan; (S.-H.W.); (T.-H.T.); (H.-Y.C.); (Y.-H.H.); (Y.-T.L.); (Y.-W.L.)
| | - Yu-Han Hung
- Department of Biomedical Engineering, National Yang-Ming University, Taipei 11221, Taiwan; (S.-H.W.); (T.-H.T.); (H.-Y.C.); (Y.-H.H.); (Y.-T.L.); (Y.-W.L.)
| | - Yi-Ting Lai
- Department of Biomedical Engineering, National Yang-Ming University, Taipei 11221, Taiwan; (S.-H.W.); (T.-H.T.); (H.-Y.C.); (Y.-H.H.); (Y.-T.L.); (Y.-W.L.)
| | - Yu-Wei Lee
- Department of Biomedical Engineering, National Yang-Ming University, Taipei 11221, Taiwan; (S.-H.W.); (T.-H.T.); (H.-Y.C.); (Y.-H.H.); (Y.-T.L.); (Y.-W.L.)
| | - Shiao-Pieng Lee
- Division of Oral and Maxillofacial Surgery, Department of Dentistry, Tri-Service General Hospital, Taipei 11490, Taiwan
- School of Dentistry, National Defense Medical Center, Taipei 11490, Taiwan
- Department of Biomedical Engineering, National Defense Medical Center, Taipei 11490, Taiwan
- Correspondence: (S.-P.L.); (C.-M.L.)
| | - Chun-Min Lo
- Department of Biomedical Engineering, National Yang-Ming University, Taipei 11221, Taiwan; (S.-H.W.); (T.-H.T.); (H.-Y.C.); (Y.-H.H.); (Y.-T.L.); (Y.-W.L.)
- Correspondence: (S.-P.L.); (C.-M.L.)
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