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Tomlinson L, Ramsden D, Leite SB, Beken S, Bonzo JA, Brown P, Candarlioglu PL, Chan TS, Chen E, Choi CK, David R, Delrue N, Devine PJ, Ford K, Garcia MI, Gosset JR, Hewitt P, Homan K, Irrechukwu O, Kopec AK, Liras JL, Mandlekar S, Raczynski A, Sadrieh N, Sakatis MZ, Siegel J, Sung K, Sunyovszki I, Van Vleet TR, Ekert JE, Hardwick RN. Considerations from an International Regulatory and Pharmaceutical Industry (IQ MPS Affiliate) Workshop on the Standardization of Complex In Vitro Models in Drug Development. Adv Biol (Weinh) 2024; 8:e2300131. [PMID: 37814378 DOI: 10.1002/adbi.202300131] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 08/08/2023] [Indexed: 10/11/2023]
Abstract
In May 2022, there is an International Regulatory and Pharmaceutical Industry (Innovation and Quality [IQ] Microphysiological Systems [MPS] Affiliate) Workshop on the standardization of complex in vitro models (CIVMs) in drug development. This manuscript summarizes the discussions and conclusions of this joint workshop organized and executed by the IQ MPS Affiliate and the United States Food and Drug Administration (FDA). A key objective of the workshop is to facilitate discussions around opportunities and/or needs for standardization of MPS and chart potential pathways to increase model utilization in the context of regulatory decision making. Participation in the workshop included 200 attendees from the FDA, IQ MPS Affiliate, and 26 global regulatory organizations and affiliated parties representing Europe, Japan, and Canada. It is agreed that understanding global perspectives regarding the readiness of CIVM/MPS models for regulatory decision making and potential pathways to gaining acceptance is useful to align on globally. The obstacles are currently too great to develop standards for every context of use (COU). Instead, it is suggested that a more tractable approach may be to think of broadly applicable standards that can be applied regardless of COU and/or organ system. Considerations and next steps for this effort are described.
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Affiliation(s)
| | | | | | - Sonja Beken
- Federal Agency for Medicines and Health Products, Brussels, 1210, Belgium
| | - Jessica A Bonzo
- Center for Drug Evaluation and Research, Office of New Drugs, U.S. Food and Drug Administration, Silver Spring, MD, 20993, USA
| | - Paul Brown
- Center for Drug Evaluation and Research, Office of New Drugs, U.S. Food and Drug Administration, Silver Spring, MD, 20993, USA
| | | | - Tom S Chan
- Drug Metabolism and Pharmacokinetics, Boehringer Ingelheim Pharmaceuticals Inc., Ridgefield, CT, 06877, USA
| | - Eugene Chen
- DMPK, Genentech, South San Francisco, CA, 94080, USA
| | - Colin K Choi
- Preclinical Safety, Biogen, Cambridge, MA, 02142, USA
| | - Rhiannon David
- Clinical Pharmacology & Safety Sciences, AstraZeneca, Cambridge, CB2 0AA, UK
| | - Nathalie Delrue
- Organisation for Economic Co-operation and Development, Paris, 75016, France
| | - Patrick J Devine
- Discovery Toxicology, Bristol Myers Squibb, San Diego, CA, 09130, USA
| | - Kevin Ford
- Division of Applied Regulatory Science, Office of Clinical Pharmacology, Office of Translational Science, Center for Drug Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, MD, 20993, USA
| | - Martha Iveth Garcia
- Division of Applied Regulatory Science, Office of Clinical Pharmacology, Office of Translational Science, Center for Drug Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, MD, 20993, USA
| | | | - Philip Hewitt
- Chemical and Preclinical Safety, Merck Healthcare KGaA, 64293, Darmstadt, Germany
| | - Kimberly Homan
- Complex in Vitro Systems Group, Genentech, South San Francisco, CA, 94080, USA
| | - Onyi Irrechukwu
- Preclinical Sciences and Translational Safety, Johnson and Johnson Innovation Medicine, Spring House, PA, 19002, USA
| | - Anna K Kopec
- Drug Safety Research & Development, Pfizer Inc., Groton, CT, 06340, USA
| | - Jennifer L Liras
- Pharmacokinetics, Dynamics & Metabolism-Medicine Design, Pfizer, Cambridge, MA, 02139, USA
| | - Sandhya Mandlekar
- Clinical Pharmacology, Genentech, South San Francisco, CA, 94080, USA
| | - Arek Raczynski
- Preclinical Safety Assessment, Vertex Pharmaceuticals Inc., Boston, MA, 02210, USA
| | - Nakissa Sadrieh
- Center for Drug Evaluation and Research, Office of New Drugs, U.S. Food and Drug Administration, Silver Spring, MD, 20993, USA
| | - Melanie Z Sakatis
- Non-Clinical Safety, In Vitro/In Vivo Translation, GSK R&D, Ware, SG12 9TJ, UK
| | - Jeffrey Siegel
- Center for Drug Evaluation and Research, Office of New Drugs, U.S. Food and Drug Administration, Silver Spring, MD, 20993, USA
| | - Kyung Sung
- Center for Biologics Evaluation and Research, Office of Cellular Therapy and Human Tissue, Cellular and Tissue Therapy Branch, U.S. Food and Drug Administration, Silver Spring, MD, 20993, USA
| | - Ilona Sunyovszki
- Translational Cellular Sciences, Biogen, Cambridge, MA, 02142, USA
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2
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Rigal S, Casas B, Kanebratt KP, Wennberg Huldt C, Magnusson LU, Müllers E, Karlsson F, Clausen M, Hansson SF, Leonard L, Cairns J, Jansson Löfmark R, Ämmälä C, Marx U, Gennemark P, Cedersund G, Andersson TB, Vilén LK. Normoglycemia and physiological cortisone level maintain glucose homeostasis in a pancreas-liver microphysiological system. Commun Biol 2024; 7:877. [PMID: 39025915 PMCID: PMC11258270 DOI: 10.1038/s42003-024-06514-w] [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: 06/18/2023] [Accepted: 06/26/2024] [Indexed: 07/20/2024] Open
Abstract
Current research on metabolic disorders and diabetes relies on animal models because multi-organ diseases cannot be well studied with standard in vitro assays. Here, we have connected cell models of key metabolic organs, the pancreas and liver, on a microfluidic chip to enable diabetes research in a human-based in vitro system. Aided by mechanistic mathematical modeling, we demonstrate that hyperglycemia and high cortisone concentration induce glucose dysregulation in the pancreas-liver microphysiological system (MPS), mimicking a diabetic phenotype seen in patients with glucocorticoid-induced diabetes. In this diseased condition, the pancreas-liver MPS displays beta-cell dysfunction, steatosis, elevated ketone-body secretion, increased glycogen storage, and upregulated gluconeogenic gene expression. Conversely, a physiological culture condition maintains glucose tolerance and beta-cell function. This method was reproducible in two laboratories and was effective in multiple pancreatic islet donors. The model also provides a platform to identify new therapeutic proteins, as demonstrated with a combined transcriptome and proteome analysis.
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Affiliation(s)
| | - Belén Casas
- Drug Metabolism and Pharmacokinetics, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
- Department of Biomedical Engineering, Linköping University, Linköping, Sweden
| | - Kajsa P Kanebratt
- Drug Metabolism and Pharmacokinetics, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Charlotte Wennberg Huldt
- Bioscience Metabolism, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Lisa U Magnusson
- Bioscience Cardiovascular, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Erik Müllers
- Bioscience Cardiovascular, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Fredrik Karlsson
- Data Sciences and Quantitative Biology, Discovery Sciences, R&D, AstraZeneca, Gothenburg, Sweden
| | - Maryam Clausen
- Translational Genomics, Discovery Biology, Discovery Sciences, R&D, AstraZeneca, Gothenburg, Sweden
| | - Sara F Hansson
- Translational Science and Experimental Medicine, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Louise Leonard
- Data Sciences and Quantitative Biology, Discovery Sciences, R&D, AstraZeneca, Gothenburg, Sweden
| | - Jonathan Cairns
- Data Sciences and Quantitative Biology, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge, UK
| | - Rasmus Jansson Löfmark
- Drug Metabolism and Pharmacokinetics, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Carina Ämmälä
- Bioscience Metabolism, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | | | - Peter Gennemark
- Drug Metabolism and Pharmacokinetics, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
- Department of Biomedical Engineering, Linköping University, Linköping, Sweden
| | - Gunnar Cedersund
- Department of Biomedical Engineering, Linköping University, Linköping, Sweden
- Center for Medical Image Science and Visualization (CMIV), Linköping University, Linköping, Sweden
| | - Tommy B Andersson
- Drug Metabolism and Pharmacokinetics, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Liisa K Vilén
- Drug Metabolism and Pharmacokinetics, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden.
- Division of Pharmaceutical Biosciences, Drug Research Program, Faculty of Pharmacy, University of Helsinki, Helsinki, Finland.
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3
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Pelegrine AA, López DGM, Aloise AC, Zeferino JPG, Mannina CG, Canal R, da Rocha DN, de Castro TCL, Martinez EF, Holliday LS, Fanganiello RD, Ferreira JRM. A Minimally Invasive Surgical Procedure to Harvest Palate Periosteum as a Source of Mesenchymal Stromal/Stem Cells for Bone Tissue Engineering. Dent J (Basel) 2024; 12:172. [PMID: 38920873 PMCID: PMC11202768 DOI: 10.3390/dj12060172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Revised: 05/23/2024] [Accepted: 05/28/2024] [Indexed: 06/27/2024] Open
Abstract
The aim of this study is to validate a minimally invasive surgical procedure to harvest palate periosteum as a source of tissue for mesenchymal stromal/stem cells. We performed a standardized procedure to harvest the palate periosteum in ten subjects, which consisted of a 3 mm disposable punch and a Molt periosteal elevator to harvest a small full-thickness fragment of soft tissue at the hard palate area, between the upper bicuspids, 3 to 4 mm apical to the cement enamel junction. The one-third inner portion was fragmented, and following standard cell culture procedures, the adherent cells were cultured for three passages, after obtaining 70-90% confluence. Cell morphology analysis, flow cytometry analysis, and viability and osteogenic differentiation assays were performed. In all 10 cases, uneventful healing was observed, with no need for analgesic intake. The evaluation of cell morphology showed elongated spindle-shaped cells distributed in woven patterns. A high viability range was verified as well as an immunophenotype compatible with mesenchymal stem cell lineage. The differentiation assay showed the potential of the cells to differentiate into the osteogenic lineage. These results demonstrate that the minimally invasive proposed surgical technique is capable of supplying enough periosteum source tissue for stem cell culture and bone tissue engineering.
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Affiliation(s)
- André Antonio Pelegrine
- Division of Implant Dentistry, Faculdade São Leopoldo Mandic, Campinas 13045-755, Brazil; (D.G.M.L.); (A.C.A.); (J.P.G.Z.); (C.G.M.)
| | - David Gonzalo Montero López
- Division of Implant Dentistry, Faculdade São Leopoldo Mandic, Campinas 13045-755, Brazil; (D.G.M.L.); (A.C.A.); (J.P.G.Z.); (C.G.M.)
| | - Antonio Carlos Aloise
- Division of Implant Dentistry, Faculdade São Leopoldo Mandic, Campinas 13045-755, Brazil; (D.G.M.L.); (A.C.A.); (J.P.G.Z.); (C.G.M.)
| | - João Pedro Grandini Zeferino
- Division of Implant Dentistry, Faculdade São Leopoldo Mandic, Campinas 13045-755, Brazil; (D.G.M.L.); (A.C.A.); (J.P.G.Z.); (C.G.M.)
| | - Carolina Guassi Mannina
- Division of Implant Dentistry, Faculdade São Leopoldo Mandic, Campinas 13045-755, Brazil; (D.G.M.L.); (A.C.A.); (J.P.G.Z.); (C.G.M.)
| | | | - Daniel Navarro da Rocha
- Department of Bioengineering, R-Crio Criogenia S.A., Campinas 13098-324, Brazil; (D.N.d.R.); (T.C.L.d.C.); (J.R.M.F.)
| | | | | | | | | | - José Ricardo Muniz Ferreira
- Department of Bioengineering, R-Crio Criogenia S.A., Campinas 13098-324, Brazil; (D.N.d.R.); (T.C.L.d.C.); (J.R.M.F.)
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Pamies D, Ekert J, Zurich MG, Frey O, Werner S, Piergiovanni M, Freedman BS, Keong Teo AK, Erfurth H, Reyes DR, Loskill P, Candarlioglu P, Suter-Dick L, Wang S, Hartung T, Coecke S, Stacey GN, Wagegg BA, Dehne EM, Pistollato F, Leist M. Recommendations on fit-for-purpose criteria to establish quality management for microphysiological systems and for monitoring their reproducibility. Stem Cell Reports 2024; 19:604-617. [PMID: 38670111 PMCID: PMC11103889 DOI: 10.1016/j.stemcr.2024.03.009] [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: 11/23/2023] [Revised: 03/28/2024] [Accepted: 03/28/2024] [Indexed: 04/28/2024] Open
Abstract
Cell culture technology has evolved, moving from single-cell and monolayer methods to 3D models like reaggregates, spheroids, and organoids, improved with bioengineering like microfabrication and bioprinting. These advancements, termed microphysiological systems (MPSs), closely replicate tissue environments and human physiology, enhancing research and biomedical uses. However, MPS complexity introduces standardization challenges, impacting reproducibility and trust. We offer guidelines for quality management and control criteria specific to MPSs, facilitating reliable outcomes without stifling innovation. Our fit-for-purpose recommendations provide actionable advice for achieving consistent MPS performance.
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Affiliation(s)
- David Pamies
- Department of Biomedical Science, University of Lausanne, Lausanne, Switzerland; Swiss Centre for Applied Human Toxicology (SCAHT), Basel, Switzerland.
| | - Jason Ekert
- Jason E Ekert: UCB Pharma, Cambridge, MA, USA
| | - Marie-Gabrielle Zurich
- Department of Biomedical Science, University of Lausanne, Lausanne, Switzerland; Swiss Centre for Applied Human Toxicology (SCAHT), Basel, Switzerland
| | | | - Sophie Werner
- Swiss Centre for Applied Human Toxicology (SCAHT), Basel, Switzerland; University of Applied Sciences and Arts Northwestern Switzerland, School of Life Sciences, Muttenz, Switzerland; Department of Pharmaceutical Sciences, University of Basel, Basel, Switzerland
| | | | - Benjamin S Freedman
- Division of Nephrology, Kidney Research Institute, and Institute for Stem Cell and Regenerative Medicine, Department of Medicine, University of Washington, Seattle, WA 98109, USA; Plurexa LLC, Seattle, WA 98109, USA
| | - Adrian Kee Keong Teo
- Stem Cells and Diabetes Laboratory, Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A(∗)STAR), Proteos, Singapore, Singapore; Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore; Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore; Precision Medicine Translational Research Programme (TRP), Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | | | - Darwin R Reyes
- National Institute of Standards and Technology, Gaithersburg, MD, USA
| | - Peter Loskill
- NMI Natural and Medical Sciences Institute at the University of Tübingen, Reutlingen, Germany; Department for Microphysiological Systems, Institute of Biomedical Engineering, Faculty of Medicine, Eberhard Karls University Tübingen, Tübingen, Germany; 3R Center for In Vitro Models and Alternatives to Animal Testing, Eberhard Karls University Tübingen, Tübingen, Germany
| | | | - Laura Suter-Dick
- Swiss Centre for Applied Human Toxicology (SCAHT), Basel, Switzerland; University of Applied Sciences and Arts Northwestern Switzerland, School of Life Sciences, Muttenz, Switzerland
| | - Shan Wang
- Department of Biomedical Science, University of Lausanne, Lausanne, Switzerland
| | - Thomas Hartung
- Doerenkamp-Zbinden Professor and Chair for Evidence-based Toxicology, Johns Hopkins Bloomberg School of Public Health and Whiting School of Engineering, Baltimore, MD, USA; CAAT Europe, University of Konstanz, Konstanz, Germany
| | - Sandra Coecke
- European Commission, Joint Research Centre (JRC), Ispra, Italy
| | - Glyn N Stacey
- International Stem Cell Banking Initiative, 2 High Street, Barley, Herts SG88HZ, UK; National Stem Cell Resource Centre, Institute of Zoology, Chinese Academy of Sciences, Beijing 100190, China; Institute for Stem Cell and Regenerative Merdicine, Chinese Academy of Sciences, Beijing 100101, China
| | | | | | | | - Marcel Leist
- CAAT Europe, University of Konstanz, Konstanz, Germany; In vitro Toxicology and Biomedicine, Department inaugurated by the Doerenkamp-Zbinden foundation, University of Konstanz, Konstanz, Germany
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5
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Kelm JM, Ferrer M, Bittner MI, Lal-Nag M. Data standards in drug discovery: A long way to go. Drug Discov Today 2024; 29:103879. [PMID: 38216119 DOI: 10.1016/j.drudis.2024.103879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 12/31/2023] [Accepted: 01/08/2024] [Indexed: 01/14/2024]
Abstract
Each year, millions to trillions of data points are generated to evaluate the response of chemicals and biologicals to human cells in vitro and in vivo using various technologies and endpoints. Despite the vast amount of data available, the development process has not become significantly more efficient in recent years. Given the increasing use of more complex physiological models, which are time-consuming and significantly more expensive, it is crucial to maximize the value of these valuable data through improved standardization.
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Affiliation(s)
- Jens M Kelm
- Precomb Therapeutics AG, Hombrechtikon, Switzerland.
| | - Marc Ferrer
- Division of Preclinical Innovation, National Center for Advancing Translational Sciences (NCATS), National Institutes of Health, Rockville, MD, USA
| | - Martin-Immanuel Bittner
- Arctoris Ltd, Oxford, UK; Young Academy of the German National Academy of Sciences, Berlin, Germany
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6
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Abuwatfa WH, Pitt WG, Husseini GA. Scaffold-based 3D cell culture models in cancer research. J Biomed Sci 2024; 31:7. [PMID: 38221607 PMCID: PMC10789053 DOI: 10.1186/s12929-024-00994-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 01/04/2024] [Indexed: 01/16/2024] Open
Abstract
Three-dimensional (3D) cell cultures have emerged as valuable tools in cancer research, offering significant advantages over traditional two-dimensional (2D) cell culture systems. In 3D cell cultures, cancer cells are grown in an environment that more closely mimics the 3D architecture and complexity of in vivo tumors. This approach has revolutionized cancer research by providing a more accurate representation of the tumor microenvironment (TME) and enabling the study of tumor behavior and response to therapies in a more physiologically relevant context. One of the key benefits of 3D cell culture in cancer research is the ability to recapitulate the complex interactions between cancer cells and their surrounding stroma. Tumors consist not only of cancer cells but also various other cell types, including stromal cells, immune cells, and blood vessels. These models bridge traditional 2D cell cultures and animal models, offering a cost-effective, scalable, and ethical alternative for preclinical research. As the field advances, 3D cell cultures are poised to play a pivotal role in understanding cancer biology and accelerating the development of effective anticancer therapies. This review article highlights the key advantages of 3D cell cultures, progress in the most common scaffold-based culturing techniques, pertinent literature on their applications in cancer research, and the ongoing challenges.
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Affiliation(s)
- Waad H Abuwatfa
- Materials Science and Engineering Ph.D. Program, College of Arts and Sciences, American University of Sharjah, P.O. Box. 26666, Sharjah, United Arab Emirates
- Department of Chemical and Biological Engineering, College of Engineering, American University of Sharjah, P.O. Box 26666, Sharjah, United Arab Emirates
| | - William G Pitt
- Department of Chemical Engineering, Brigham Young University, Provo, UT, 84602, USA
| | - Ghaleb A Husseini
- Materials Science and Engineering Ph.D. Program, College of Arts and Sciences, American University of Sharjah, P.O. Box. 26666, Sharjah, United Arab Emirates.
- Department of Chemical and Biological Engineering, College of Engineering, American University of Sharjah, P.O. Box 26666, Sharjah, United Arab Emirates.
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7
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Rihs S, Parisi L, Lauener A, Mansour F, Schnyder I, Dekany GM, La Scala GC, Katsaros C, Degen M. Reflecting the human lip in vitro: Cleft lip skin and mucosa keratinocytes keep their identities. Oral Dis 2024. [PMID: 38178623 DOI: 10.1111/odi.14844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 12/10/2023] [Indexed: 01/06/2024]
Abstract
OBJECTIVES Cell models have shown great promise as tools for research, potentially providing intriguing alternatives to animal models. However, the original tissue characteristics must be maintained in culture, a fact that is often assumed, but seldom assessed. We aimed to follow the retention of the original tissue identities of cleft lip-derived skin and mucosa keratinocytes in vitro. METHODS Cleft lip-derived keratinocytes were isolated from discarded tissue along the cleft margins during cheiloplasty. Cell identities were assessed by immunohistochemistry and quantitative real-time PCR for tissue-specific markers and compared with native lip tissue. Moreover, keratinocytes were regularly analyzed for the retention of the original tissue characteristics by the aforementioned methods as well as by differentiation assays. RESULTS The various anatomical zones of the human lip could be distinguished using a panel of differentiation and functional-based markers. Using these markers, retention of the original tissue identities could be followed and confirmed in the corresponding primary keratinocytes in culture. CONCLUSIONS Our findings promote patient-derived cells retaining their original identities as astonishing and clinically relevant in vitro tools. Such cells allow a better molecular understanding of various lip-associated pathologies as well as their modeling in vitro, including but not restricted to orofacial clefts.
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Affiliation(s)
- Silvia Rihs
- Laboratory for Oral Molecular Biology, Department of Orthodontics and Dentofacial Orthopedics, University of Bern, Bern, Switzerland
| | - Ludovica Parisi
- Laboratory for Oral Molecular Biology, Department of Orthodontics and Dentofacial Orthopedics, University of Bern, Bern, Switzerland
| | - Anic Lauener
- Laboratory for Oral Molecular Biology, Department of Orthodontics and Dentofacial Orthopedics, University of Bern, Bern, Switzerland
| | - Farah Mansour
- Laboratory for Oral Molecular Biology, Department of Orthodontics and Dentofacial Orthopedics, University of Bern, Bern, Switzerland
| | - Isabelle Schnyder
- University Clinic for Pediatric Surgery, Bern University Hospital, Bern, Switzerland
| | - Gabriela M Dekany
- University Clinic for Pediatric Surgery, Bern University Hospital, Bern, Switzerland
| | - Giorgio C La Scala
- Division of Pediatric Surgery, Department of Pediatrics, University Hospital of Geneva, Geneva, Switzerland
| | - Christos Katsaros
- Laboratory for Oral Molecular Biology, Department of Orthodontics and Dentofacial Orthopedics, University of Bern, Bern, Switzerland
| | - Martin Degen
- Laboratory for Oral Molecular Biology, Department of Orthodontics and Dentofacial Orthopedics, University of Bern, Bern, Switzerland
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8
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Paiva Barbosa V, Bastos Silveira B, Amorim Dos Santos J, Monteiro MM, Coletta RD, De Luca Canto G, Stefani CM, Guerra ENS. Critical appraisal tools used in systematic reviews of in vitro cell culture studies: A methodological study. Res Synth Methods 2023; 14:776-793. [PMID: 37464457 DOI: 10.1002/jrsm.1657] [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: 12/21/2022] [Revised: 06/21/2023] [Accepted: 07/01/2023] [Indexed: 07/20/2023]
Abstract
Systematic reviews (SRs) of preclinical studies are marked with poor methodological quality. In vitro studies lack assessment tools to improve the quality of preclinical research. This methodological study aimed to identify, collect, and analyze SRs based on cell culture studies to highlight the current appraisal tools utilized to support the development of a validated critical appraisal tool for cell culture in vitro research. SRs, scoping reviews, and meta-analyses that included cell culture studies and used any type of critical appraisal tool were included. Electronic search, study selection, data collection and methodological quality (MQ) assessment tool were realized. Further, statistical analyses regarding possible associations and correlations between MQ and collected data were performed. After the screening process, 82 studies remained for subsequent analysis. A total of 32 different appraisal tools were identified. Approximately 60% of studies adopted pre-structured tools not designed for cell culture studies. The most frequent instruments were SYRCLE (n = 14), OHAT (n = 9), Cochrane Collaboration's tool (n = 7), GRADE (n = 6), CONSORT (n = 5), and ToxRTool (n = 5). The studies were divided into subgroups to perform statistical analyses. A significant association (OR = 5.00, 95% CI = 1.54-16.20, p = 0.008) was found between low MQ and chronic degenerative disorders as topic of SR. Several challenges in collecting information from the included studies led to some modifications related to the previously registered protocol. These results may serve as a basis for further development of a critical appraisal tool for cell culture studies capable of capturing all the essential factors related to preclinical research, therefore enhancing the practice of evidence-based.
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Affiliation(s)
- Victor Paiva Barbosa
- University of Brasília, Laboratory of Oral Histopathology, Department of Dentistry, Faculty of Health Sciences, University of Brasília, Brasília, Brazil
| | - Bruna Bastos Silveira
- University of Brasília, Laboratory of Oral Histopathology, Department of Dentistry, Faculty of Health Sciences, University of Brasília, Brasília, Brazil
| | - Juliana Amorim Dos Santos
- University of Brasília, Laboratory of Oral Histopathology, Department of Dentistry, Faculty of Health Sciences, University of Brasília, Brasília, Brazil
| | - Mylene Martins Monteiro
- University of Brasília, Laboratory of Oral Histopathology, Department of Dentistry, Faculty of Health Sciences, University of Brasília, Brasília, Brazil
| | - Ricardo D Coletta
- University of Campinas, Department of Oral Diagnosis and Graduate Program in Oral Biology, School of Dentistry, University of Campinas, Piracicaba, Brazil
| | - Graziela De Luca Canto
- Federal University of Santa Catarina, Department of Dentistry, Federal University of Santa Catarina, Florianópolis, Brazil
| | - Cristine Miron Stefani
- University of Brasilia, Department of Dentistry, School of Health Sciences, University of Brasilia, Brasília, Brazil
| | - Eliete Neves Silva Guerra
- University of Brasília, Laboratory of Oral Histopathology, Department of Dentistry, Faculty of Health Sciences, University of Brasília, Brasília, Brazil
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Shekari F, Alibhai FJ, Baharvand H, Börger V, Bruno S, Davies O, Giebel B, Gimona M, Salekdeh GH, Martin‐Jaular L, Mathivanan S, Nelissen I, Nolte‐’t Hoen E, O'Driscoll L, Perut F, Pluchino S, Pocsfalvi G, Salomon C, Soekmadji C, Staubach S, Torrecilhas AC, Shelke GV, Tertel T, Zhu D, Théry C, Witwer K, Nieuwland R. Cell culture-derived extracellular vesicles: Considerations for reporting cell culturing parameters. JOURNAL OF EXTRACELLULAR BIOLOGY 2023; 2:e115. [PMID: 38939735 PMCID: PMC11080896 DOI: 10.1002/jex2.115] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 08/18/2023] [Accepted: 09/17/2023] [Indexed: 06/29/2024]
Abstract
Cell culture-conditioned medium (CCM) is a valuable source of extracellular vesicles (EVs) for basic scientific, therapeutic and diagnostic applications. Cell culturing parameters affect the biochemical composition, release and possibly the function of CCM-derived EVs (CCM-EV). The CCM-EV task force of the Rigor and Standardization Subcommittee of the International Society for Extracellular Vesicles aims to identify relevant cell culturing parameters, describe their effects based on current knowledge, recommend reporting parameters and identify outstanding questions. While some recommendations are valid for all cell types, cell-specific recommendations may need to be established for non-mammalian sources, such as bacteria, yeast and plant cells. Current progress towards these goals is summarized in this perspective paper, along with a checklist to facilitate transparent reporting of cell culturing parameters to improve the reproducibility of CCM-EV research.
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Affiliation(s)
- Faezeh Shekari
- Department of Stem Cells and Developmental Biology, Cell Science Research CenterRoyan Institute for Stem Cell Biology and Technology, ACECRTehranIran
- Advanced Therapy Medicinal Product Technology Development Center (ATMP‐TDC), Cell Science Research CenterRoyan Institute for Stem Cell Biology and Technology, ACECRTehranIran
| | | | - Hossein Baharvand
- Department of Stem Cells and Developmental Biology, Cell Science Research CenterRoyan Institute for Stem Cell Biology and Technology, ACECRTehranIran
- Department of Developmental Biology, School of Basic Sciences and Advanced Technologies in BiologyUniversity of Science and CultureTehranIran
| | - Verena Börger
- Institute for Transfusion MedicineUniversity Hospital Essen, University of Duisburg‐EssenEssenGermany
| | - Stefania Bruno
- Department of Medical Sciences and Molecular Biotechnology CenterUniversity of TorinoTurinItaly
| | - Owen Davies
- School of Sport, Exercise and Health SciencesLoughborough UniversityLoughboroughUK
| | - Bernd Giebel
- Institute for Transfusion MedicineUniversity Hospital Essen, University of Duisburg‐EssenEssenGermany
| | - Mario Gimona
- GMP UnitSpinal Cord Injury & Tissue Regeneration Centre Salzburg (SCI‐TReCS) and Research Program “Nanovesicular Therapies” Paracelsus Medical UniversitySalzburgAustria
| | | | - Lorena Martin‐Jaular
- Institut Curie, INSERM U932 and Curie CoreTech Extracellular VesiclesPSL Research UniversityParisFrance
| | - Suresh Mathivanan
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular ScienceLa Trobe UniversityMelbourneVICAustralia
| | - Inge Nelissen
- VITO (Flemish Institute for Technological Research), Health departmentBoeretangBelgium
| | - Esther Nolte‐’t Hoen
- Department of Biomolecular Health Sciences, Faculty of Veterinary MedicineUtrecht UniversityUtrechtThe Netherlands
| | - Lorraine O'Driscoll
- School of Pharmacy and Pharmaceutical Sciences & Trinity Biomedical Sciences InstituteTrinity College DublinDublinIreland
| | - Francesca Perut
- Biomedical Science and Technologies and Nanobiotechnology LabIRCCS Istituto Ortopedico RizzoliBolognaItaly
| | - Stefano Pluchino
- Department of Clinical NeurosciencesUniversity of CambridgeCambridgeUK
| | - Gabriella Pocsfalvi
- Institute of Biosciences and BioResourcesNational Research CouncilNaplesItaly
| | - Carlos Salomon
- Translational Extracellular Vesicles in Obstetrics and Gynae‐Oncology Group, UQ Centre for Clinical Research, Royal Brisbane and Women's Hospital, Faculty of MedicineThe University of QueenslandBrisbaneAustralia
| | - Carolina Soekmadji
- School of Biomedical Sciences, Faculty of MedicineUniversity of QueenslandBrisbaneAustralia
| | | | - Ana Claudia Torrecilhas
- Laboratório de Imunologia Celular e Bioquímica de Fungos e Protozoários, Departamento de Ciências FarmacêuticasUniversidade Federal de São Paulo (UNIFESP)SPBrazil
| | - Ganesh Vilas Shelke
- Neurosciences and Cellular and Structural Biology Division, Eunice Kennedy Shriver National Institute of Child Health and Human DevelopmentNational Institutes of HealthBethesdaMarylandUSA
| | - Tobias Tertel
- Institute for Transfusion MedicineUniversity Hospital Essen, University of Duisburg‐EssenEssenGermany
| | - Dandan Zhu
- The Ritchie CentreHudson Institute of Medical ResearchClaytonVICAustralia
| | - Clotilde Théry
- Institut Curie, INSERM U932 and Curie CoreTech Extracellular VesiclesPSL Research UniversityParisFrance
| | - Kenneth Witwer
- Departments of Molecular and Comparative Pathobiology and Neurology and Richman Family Precision Medicine Center of Excellence in Alzheimer's DiseaseJohns Hopkins UniversityBaltimoreMarylandUSA
| | - Rienk Nieuwland
- Laboratory of Experimental Clinical Chemistry, Department of Clinical Chemistry, Amsterdam University Medical CentersLocation AMC, University of AmsterdamAmsterdamThe Netherlands
- Amsterdam Vesicle Center, Amsterdam University Medical Centers, location AMCUniversity of AmsterdamAmsterdamThe Netherlands
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10
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Schmeisser S, Miccoli A, von Bergen M, Berggren E, Braeuning A, Busch W, Desaintes C, Gourmelon A, Grafström R, Harrill J, Hartung T, Herzler M, Kass GEN, Kleinstreuer N, Leist M, Luijten M, Marx-Stoelting P, Poetz O, van Ravenzwaay B, Roggeband R, Rogiers V, Roth A, Sanders P, Thomas RS, Marie Vinggaard A, Vinken M, van de Water B, Luch A, Tralau T. New approach methodologies in human regulatory toxicology - Not if, but how and when! ENVIRONMENT INTERNATIONAL 2023; 178:108082. [PMID: 37422975 PMCID: PMC10858683 DOI: 10.1016/j.envint.2023.108082] [Citation(s) in RCA: 26] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 06/30/2023] [Accepted: 07/01/2023] [Indexed: 07/11/2023]
Abstract
The predominantly animal-centric approach of chemical safety assessment has increasingly come under pressure. Society is questioning overall performance, sustainability, continued relevance for human health risk assessment and ethics of this system, demanding a change of paradigm. At the same time, the scientific toolbox used for risk assessment is continuously enriched by the development of "New Approach Methodologies" (NAMs). While this term does not define the age or the state of readiness of the innovation, it covers a wide range of methods, including quantitative structure-activity relationship (QSAR) predictions, high-throughput screening (HTS) bioassays, omics applications, cell cultures, organoids, microphysiological systems (MPS), machine learning models and artificial intelligence (AI). In addition to promising faster and more efficient toxicity testing, NAMs have the potential to fundamentally transform today's regulatory work by allowing more human-relevant decision-making in terms of both hazard and exposure assessment. Yet, several obstacles hamper a broader application of NAMs in current regulatory risk assessment. Constraints in addressing repeated-dose toxicity, with particular reference to the chronic toxicity, and hesitance from relevant stakeholders, are major challenges for the implementation of NAMs in a broader context. Moreover, issues regarding predictivity, reproducibility and quantification need to be addressed and regulatory and legislative frameworks need to be adapted to NAMs. The conceptual perspective presented here has its focus on hazard assessment and is grounded on the main findings and conclusions from a symposium and workshop held in Berlin in November 2021. It intends to provide further insights into how NAMs can be gradually integrated into chemical risk assessment aimed at protection of human health, until eventually the current paradigm is replaced by an animal-free "Next Generation Risk Assessment" (NGRA).
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Affiliation(s)
| | - Andrea Miccoli
- German Federal Institute for Risk Assessment (BfR), Berlin, Germany; National Research Council, Ancona, Italy
| | - Martin von Bergen
- Helmholtz Centre for Environmental Research-UFZ, Leipzig, Germany; German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Leipzig, Germany; University of Leipzig, Faculty of Life Sciences, Institute of Biochemistry, Leipzig, Germany
| | | | - Albert Braeuning
- German Federal Institute for Risk Assessment (BfR), Berlin, Germany
| | - Wibke Busch
- Helmholtz Centre for Environmental Research-UFZ, Leipzig, Germany
| | - Christian Desaintes
- European Commission (EC), Directorate General for Research and Innovation (RTD), Brussels, Belgium
| | - Anne Gourmelon
- Organisation for Economic Cooperation and Development (OECD), Environment Directorate, Paris, France
| | | | - Joshua Harrill
- Center for Computational Toxicology and Exposure (CCTE), United States Environmental Protection Agency (US EPA), Durham, USA
| | - Thomas Hartung
- Center for Alternatives to Animal Testing (CAAT), Johns Hopkins Bloomberg School of Public Health Baltimore MD USA, CAAT-Europe, University of Konstanz, Konstanz, Germany
| | - Matthias Herzler
- German Federal Institute for Risk Assessment (BfR), Berlin, Germany
| | | | - Nicole Kleinstreuer
- NTP Interagency Center for the Evaluation of Alternative Toxicological Methods (NICEATM), National Institute of Environmental Health Sciences (NIEHS), Durham, USA
| | - Marcel Leist
- CAAT‑Europe and Department of Biology, University of Konstanz, Konstanz, Germany
| | - Mirjam Luijten
- Centre for Health Protection, National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands
| | | | - Oliver Poetz
- NMI Natural and Medical Science Institute at the University of Tuebingen, Reutlingen, Germany; SIGNATOPE GmbH, Reutlingen, Germany
| | | | - Rob Roggeband
- European Partnership for Alternative Approaches to Animal Testing (EPAA), Procter and Gamble Services Company NV/SA, Strombeek-Bever, Belgium
| | - Vera Rogiers
- Scientific Committee on Consumer Safety (SCCS), Vrije Universiteit Brussel (VUB), Brussels, Belgium
| | - Adrian Roth
- F. Hoffmann-La Roche Ltd, Basel, Switzerland
| | - Pascal Sanders
- Fougeres Laboratory, French Agency for Food, Environmental and Occupational Health and Safety (ANSES), Fougères, France France
| | - Russell S Thomas
- Center for Computational Toxicology and Exposure (CCTE), United States Environmental Protection Agency (US EPA), Durham, USA
| | | | | | | | - Andreas Luch
- German Federal Institute for Risk Assessment (BfR), Berlin, Germany
| | - Tewes Tralau
- German Federal Institute for Risk Assessment (BfR), Berlin, Germany
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11
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Rivas J, Dubois A, Blanquer A, Gérardy M, Ziegler U, Groschup MH, Grobet L, Garigliany MM. Tendon-Derived Mesenchymal Stem Cells (TDSCs) as an In Vitro Model for Virological Studies in Wild Birds. Viruses 2023; 15:1455. [PMID: 37515142 PMCID: PMC10383174 DOI: 10.3390/v15071455] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 06/23/2023] [Accepted: 06/26/2023] [Indexed: 07/30/2023] Open
Abstract
The use of wild animals in research is complicated due to the capture and housing conditions, as well as to legal aspects, making it difficult to develop in vivo and in vitro models for the study of pathologies that affect these species. Here we validate an in vitro model of tendon-derived mesenchymal cells (TDSC) from Eurasian blackbird (Turdus merula) cadaveric samples. Through the expression of surface markers and the ability to differentiate into multiple lineages, the nature of the cells was confirmed. We then evaluated Mesenchymal Stem Cells (MSCs) as an infection model for the Usutu Flavivirus. To this aim, blackbird TDSCs were compared to Vero E6 cells, commonly used in Flavivirus studies. Both cells showed permissiveness to USUV infection as confirmed by immunocytochemistry. Moreover, TDSCs exhibited replication kinetics similar to, although slightly lower than, Vero E6, confirming these cells as a pertinent study model for the study of the pathogenesis of USUV. In this work, we isolated and characterized tendon-derived mesenchymal stem cells, which represent an interesting and convenient in vitro model for the study of wildlife species in laboratories.
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Affiliation(s)
- José Rivas
- Fundamental and Applied Research for Animals & Health (FARAH), Laboratory of Pathology, Faculty of Veterinary Medicine, University of Liège, Sart Tilman B43, B-4000 Liège, Belgium; (J.R.); (A.B.); (M.G.)
| | - Axel Dubois
- Fundamental and Applied Research for Animals & Health (FARAH), Laboratory of Embryology, Faculty of Veterinary Medicine, University of Liège, Sart Tilman B43, B-4000 Liège, Belgium; (A.D.); (L.G.)
| | - Aude Blanquer
- Fundamental and Applied Research for Animals & Health (FARAH), Laboratory of Pathology, Faculty of Veterinary Medicine, University of Liège, Sart Tilman B43, B-4000 Liège, Belgium; (J.R.); (A.B.); (M.G.)
| | - Mazarine Gérardy
- Fundamental and Applied Research for Animals & Health (FARAH), Laboratory of Pathology, Faculty of Veterinary Medicine, University of Liège, Sart Tilman B43, B-4000 Liège, Belgium; (J.R.); (A.B.); (M.G.)
| | - Ute Ziegler
- Institute for Novel and Emerging Infectious Diseases, Friedrich-Loeffler-Institut, Südufer 10, 17493 Greifswald-Insel Riems, Germany; (U.Z.); (M.H.G.)
| | - Martin H. Groschup
- Institute for Novel and Emerging Infectious Diseases, Friedrich-Loeffler-Institut, Südufer 10, 17493 Greifswald-Insel Riems, Germany; (U.Z.); (M.H.G.)
| | - Luc Grobet
- Fundamental and Applied Research for Animals & Health (FARAH), Laboratory of Embryology, Faculty of Veterinary Medicine, University of Liège, Sart Tilman B43, B-4000 Liège, Belgium; (A.D.); (L.G.)
| | - Mutien-Marie Garigliany
- Fundamental and Applied Research for Animals & Health (FARAH), Laboratory of Pathology, Faculty of Veterinary Medicine, University of Liège, Sart Tilman B43, B-4000 Liège, Belgium; (J.R.); (A.B.); (M.G.)
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12
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Pasquier E, Rosendahl J, Solberg A, Ståhlberg A, Håkansson J, Chinga-Carrasco G. Polysaccharides and Structural Proteins as Components in Three-Dimensional Scaffolds for Breast Cancer Tissue Models: A Review. Bioengineering (Basel) 2023; 10:682. [PMID: 37370613 DOI: 10.3390/bioengineering10060682] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 05/26/2023] [Accepted: 05/30/2023] [Indexed: 06/29/2023] Open
Abstract
Breast cancer is the most common cancer among women, and even though treatments are available, efficiency varies with the patients. In vitro 2D models are commonly used to develop new treatments. However, 2D models overestimate drug efficiency, which increases the failure rate in later phase III clinical trials. New model systems that allow extensive and efficient drug screening are thus required. Three-dimensional printed hydrogels containing active components for cancer cell growth are interesting candidates for the preparation of next generation cancer cell models. Macromolecules, obtained from marine- and land-based resources, can form biopolymers (polysaccharides such as alginate, chitosan, hyaluronic acid, and cellulose) and bioactive components (structural proteins such as collagen, gelatin, and silk fibroin) in hydrogels with adequate physical properties in terms of porosity, rheology, and mechanical strength. Hence, in this study attention is given to biofabrication methods and to the modification with biological macromolecules to become bioactive and, thus, optimize 3D printed structures that better mimic the cancer cell microenvironment. Ink formulations combining polysaccharides for tuning the mechanical properties and bioactive polymers for controlling cell adhesion is key to optimizing the growth of the cancer cells.
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Affiliation(s)
- Eva Pasquier
- RISE PFI AS, Høgskoleringen 6b, NO-7491 Trondheim, Norway
| | - Jennifer Rosendahl
- RISE Unit of Biological Function, Division Materials and Production, RISE Research Institutes of Sweden, Box 857, 50115 Borås, Sweden
| | - Amalie Solberg
- RISE PFI AS, Høgskoleringen 6b, NO-7491 Trondheim, Norway
| | - Anders Ståhlberg
- Sahlgrenska Center for Cancer Research, Department of Laboratory Medicine, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, 41390 Gothenburg, Sweden
- Wallenberg Centre for Molecular and Translational Medicine, University of Gothenburg, 41390 Gothenburg, Sweden
- Department of Clinical Genetics and Genomics, Sahlgrenska University Hospital, 41345 Gothenburg, Sweden
| | - Joakim Håkansson
- RISE Unit of Biological Function, Division Materials and Production, RISE Research Institutes of Sweden, Box 857, 50115 Borås, Sweden
- Department of Laboratory Medicine, Institute of Biomedicine, University of Gothenburg, 40530 Gothenburg, Sweden
- Department of Chemistry and Molecular Biology, University of Gothenburg, 40530 Gothenburg, Sweden
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13
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Fabbri R, Cacopardo L, Ahluwalia A, Magliaro C. Advanced 3D Models of Human Brain Tissue Using Neural Cell Lines: State-of-the-Art and Future Prospects. Cells 2023; 12:1181. [PMID: 37190089 PMCID: PMC10136913 DOI: 10.3390/cells12081181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 04/12/2023] [Accepted: 04/14/2023] [Indexed: 05/17/2023] Open
Abstract
Human-relevant three-dimensional (3D) models of cerebral tissue can be invaluable tools to boost our understanding of the cellular mechanisms underlying brain pathophysiology. Nowadays, the accessibility, isolation and harvesting of human neural cells represents a bottleneck for obtaining reproducible and accurate models and gaining insights in the fields of oncology, neurodegenerative diseases and toxicology. In this scenario, given their low cost, ease of culture and reproducibility, neural cell lines constitute a key tool for developing usable and reliable models of the human brain. Here, we review the most recent advances in 3D constructs laden with neural cell lines, highlighting their advantages and limitations and their possible future applications.
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Affiliation(s)
- Rachele Fabbri
- Research Center “E. Piaggio”, University of Pisa, Largo Lucio Lazzarino 1, 56122 Pisa, Italy
- Department of Information Engineering (DII), University of Pisa, Via G. Caruso 16, 56122 Pisa, Italy
| | - Ludovica Cacopardo
- Research Center “E. Piaggio”, University of Pisa, Largo Lucio Lazzarino 1, 56122 Pisa, Italy
- Department of Information Engineering (DII), University of Pisa, Via G. Caruso 16, 56122 Pisa, Italy
- Interuniversity Center for the Promotion of 3R Principles in Teaching and Research (Centro 3R), Italy
| | - Arti Ahluwalia
- Research Center “E. Piaggio”, University of Pisa, Largo Lucio Lazzarino 1, 56122 Pisa, Italy
- Department of Information Engineering (DII), University of Pisa, Via G. Caruso 16, 56122 Pisa, Italy
- Interuniversity Center for the Promotion of 3R Principles in Teaching and Research (Centro 3R), Italy
| | - Chiara Magliaro
- Research Center “E. Piaggio”, University of Pisa, Largo Lucio Lazzarino 1, 56122 Pisa, Italy
- Department of Information Engineering (DII), University of Pisa, Via G. Caruso 16, 56122 Pisa, Italy
- Interuniversity Center for the Promotion of 3R Principles in Teaching and Research (Centro 3R), Italy
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14
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Sanyanusin M, Tudsamran S, Thaiwong R, Tawinwung S, Nishio N, Takahashi Y, Hirankarn N, Suppipat K. Novel xeno-free and serum-free culturing condition to improve piggyBac transposon-based CD19 chimeric antigen receptor T-cell production and characteristics. Cytotherapy 2023; 25:397-406. [PMID: 36517366 DOI: 10.1016/j.jcyt.2022.11.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 11/22/2022] [Accepted: 11/27/2022] [Indexed: 12/15/2022]
Abstract
BACKGROUND AIMS Chimeric antigen receptor (CAR) T cell is a novel therapy for relapse and refractory hematologic malignancy. Characteristics of CAR T cells are associated with clinical efficacy and toxicity. The type of serum supplements used during cultivation affects the immunophenotype and function of viral-based CAR T cells. This study explores the effect of serum supplements on nonviral piggyBac transposon CAR T-cell production. METHODS PiggyBac CD19 CAR T cells were expanded in cultured conditions containing fetal bovine serum, human AB serum or xeno-free serum replacement. We evaluated the effect of different serum supplements on cell expansion, transduction efficiency, immunophenotypes and antitumor activity. RESULTS Xeno-free serum replacement exhibited comparable CAR surface expression, cell expansion and short-term antitumor activity compared with conventional serum supplements. However, CAR T cells cultivated with xeno-free serum replacement exhibited an increased naïve/stem cell memory population and better T-cell expansion after long-term co-culture as well as during the tumor rechallenge assay. CONCLUSIONS Our study supports the usage of xeno-free serum replacement as an alternative source of serum supplements for piggyBac-based CAR T-cell expansion.
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Affiliation(s)
- Mulita Sanyanusin
- Medical Microbiology, Interdisciplinary and International Program, Graduate School, Chulalongkorn University, Bangkok, Thailand
| | - Suparat Tudsamran
- Cellular Immunotherapy Research Unit, Chulalongkorn University, Bangkok, Thailand; Chulalongkorn Comprehensive Cancer Center, King Chulalongkorn Memorial Hospital, Bangkok, Thailand
| | - Rattapoom Thaiwong
- Cellular Immunotherapy Research Unit, Chulalongkorn University, Bangkok, Thailand; Chulalongkorn Comprehensive Cancer Center, King Chulalongkorn Memorial Hospital, Bangkok, Thailand
| | - Supannikar Tawinwung
- Cellular Immunotherapy Research Unit, Chulalongkorn University, Bangkok, Thailand; Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Nobuhiro Nishio
- Department of Advanced Medicine, Nagoya University Hospital, Nagoya, Japan
| | - Yoshiyuki Takahashi
- Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Nattiya Hirankarn
- Department of Microbiology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Koramit Suppipat
- Cellular Immunotherapy Research Unit, Chulalongkorn University, Bangkok, Thailand; Chulalongkorn Comprehensive Cancer Center, King Chulalongkorn Memorial Hospital, Bangkok, Thailand; Department of Research Affairs, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.
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15
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Muschong P, Jin L, Schejbal J, Mezler M, Weinheimer M. Improvement of Workflows and Assay Reproducibility by The Introduction of "Assay-Ready" Culturing of MDCK Cells for Transport Studies. Pharm Res 2023; 40:1259-1270. [PMID: 36977814 DOI: 10.1007/s11095-023-03490-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Accepted: 02/23/2023] [Indexed: 03/30/2023]
Abstract
OBJECTIVE In previous studies, we established and validated three Madin Darby Canine Kidney MDCKII cell lines, recombinantly modified with zinc finger nuclease (ZFN) technology. Here, we investigated the applicability of seeding these three canine P-gp deficient MDCK_ZFN cell lines, directly from frozen cryopreserved stocks without previous cultivation for efflux transporter and permeability studies. This technique is referred to as "assay-ready" and allows for highly standardized conduction of cell-based assays and shorter cultivation cycles. METHODS To obtain a rapid fitness of the cells for that purpose, a very gentle freezing and thawing protocol was applied. Assay-ready MDCK_ZFN cells were tested in bi-directional transport studies and compared to their traditionally cultured counterparts. Long-term performance robustness, human effective intestinal permeability (Peff) predictability and batch to batch variability were assessed. RESULTS Efflux ratios (ER) and apparent permeability (Papp) results were highly comparable between assay-ready and standard cultured cell lines with R2 values of 0.96 or higher. Papp to Peff correlations obtained from passive permeability with non-transfected cells were comparable independent of the cultivation regime. Long-term evaluation revealed robust performance of assay-ready cells and reduced data variability of reference compounds in 75% of cases compared to standard cultured MDCK_ZFN cells. CONCLUSION Assay-ready methodology for handling MDCK_ZFN cells allows more flexibility in assay planning and reduces performance fluctuations in assays caused by cell aging. Therefore, the assay-ready principle has proven superior over conventional cultivation for MDCK_ZFN cells and is considered as a key technology to optimize processes with other cellular systems.
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Affiliation(s)
- Patricia Muschong
- Quantitative, Translational & ADME Sciences, AbbVie Deutschland GmbH & Co KG, Knollstr, 67061, Ludwigshafen, Germany
| | - Liang Jin
- Quantitative, Translational & ADME Sciences, AbbVie Bioresearch Center, 100 Research Drive, Worcester, MA, 01605, USA
| | - Jan Schejbal
- Quantitative, Translational & ADME Sciences, AbbVie Bioresearch Center, 100 Research Drive, Worcester, MA, 01605, USA
| | - Mario Mezler
- Quantitative, Translational & ADME Sciences, AbbVie Deutschland GmbH & Co KG, Knollstr, 67061, Ludwigshafen, Germany
| | - Manuel Weinheimer
- Quantitative, Translational & ADME Sciences, AbbVie Deutschland GmbH & Co KG, Knollstr, 67061, Ludwigshafen, Germany.
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16
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Liu Y, Cai Z, Li N, Alépée N. How to facilitate the implementation of 3D models in China by applying good in vitro method practice for regulatory use. FRONTIERS IN TOXICOLOGY 2023; 5:1080528. [PMID: 36969263 PMCID: PMC10032455 DOI: 10.3389/ftox.2023.1080528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 02/09/2023] [Indexed: 03/11/2023] Open
Abstract
The Organization for Economic Co-operation and Development (OECD) Guidance Document No. 34 and No. 286 on Good In Vitro Method Practices (GIVIMPs) for the development and implementation of in vitro methods for regulatory use in human safety assessment have been endorsed. Considering that China is accelerating the development of alternative approaches in both research and acceptance, early application of these principles is beneficial to the implementation and acceptance of in vitro alternative methods in China. To promote the replacement of animal testing for regulatory use, L’Oréal initiated the EpiSkin™ skin irritation test (SIT) implementation program in China. More than 50 external scientists participated, and the method has been established in 34 organizations including authorities, industries, and testing service laboratories. Taking two collaborations with Guangdong CDC and Shanghai SGS for in vitro SIT as examples, we demonstrated a method implementation process in good alignment with the OECD principles. The current study illustrated the practical way in which both OECD Guidance documents assisted in the transfer and establishment of in vitro approaches and further promoted the future scientific recognition and acceptance of new OECD-accepted alternative testing methodologies in China.
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Affiliation(s)
- Yanfeng Liu
- L’Oréal Research & Innovation China, Shanghai, China
| | - Zhenzi Cai
- L’Oréal Research & Innovation China, Shanghai, China
| | - Nan Li
- L’Oréal Research & Innovation China, Shanghai, China
- *Correspondence: Nan Li,
| | - Nathalie Alépée
- L’Oréal Research & Innovation France, Aulnay-Sous-Bois, France
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17
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A Beginner's Guide to Cell Culture: Practical Advice for Preventing Needless Problems. Cells 2023; 12:cells12050682. [PMID: 36899818 PMCID: PMC10000895 DOI: 10.3390/cells12050682] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 02/18/2023] [Accepted: 02/19/2023] [Indexed: 02/25/2023] Open
Abstract
The cultivation of cells in a favorable artificial environment has become a versatile tool in cellular and molecular biology. Cultured primary cells and continuous cell lines are indispensable in investigations of basic, biomedical, and translation research. However, despite their important role, cell lines are frequently misidentified or contaminated by other cells, bacteria, fungi, yeast, viruses, or chemicals. In addition, handling and manipulating of cells is associated with specific biological and chemical hazards requiring special safeguards such as biosafety cabinets, enclosed containers, and other specialized protective equipment to minimize the risk of exposure to hazardous materials and to guarantee aseptic work conditions. This review provides a brief introduction about the most common problems encountered in cell culture laboratories and some guidelines on preventing or tackling respective problems.
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18
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Broucke K, Van Pamel E, Van Coillie E, Herman L, Van Royen G. Cultured meat and challenges ahead: A review on nutritional, technofunctional and sensorial properties, safety and legislation. Meat Sci 2023; 195:109006. [DOI: 10.1016/j.meatsci.2022.109006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 09/28/2022] [Accepted: 10/11/2022] [Indexed: 11/09/2022]
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19
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Miclau K, Hambright WS, Huard J, Stoddart MJ, Bahney CS. Cellular expansion of MSCs: Shifting the regenerative potential. Aging Cell 2022; 22:e13759. [PMID: 36536521 PMCID: PMC9835588 DOI: 10.1111/acel.13759] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 11/14/2022] [Accepted: 12/02/2022] [Indexed: 12/24/2022] Open
Abstract
Mesenchymal-derived stromal or progenitor cells, commonly called "MSCs," have attracted significant clinical interest for their remarkable abilities to promote tissue regeneration and reduce inflammation. Recent studies have shown that MSCs' therapeutic effects, originally attributed to the cells' direct differentiation capacity into the tissue of interest, are largely driven by the biomolecules the cells secrete, including cytokines, chemokines, growth factors, and extracellular vesicles containing miRNA. This secretome coordinates upregulation of endogenous repair and immunomodulation in the local microenvironment through crosstalk of MSCs with host tissue cells. Therapeutic applications for MSCs and their secretome-derived products often involve in vitro monolayer expansion. However, consecutive passaging of MSCs significantly alters their therapeutic potential, inducing a broad shift from a pro-regenerative to a pro-inflammatory phenotype. A consistent by-product of in vitro expansion of MSCs is the onset of replicative senescence, a state of cell arrest characterized by an increased release of proinflammatory cytokines and growth factors. However, little is known about changes in the secretome profile at different stages of in vitro expansion. Some culture conditions and bioprocessing techniques have shown promise in more effectively retaining the pro-regenerative and anti-inflammatory MSC phenotype throughout expansion. Understanding how in vitro expansion conditions influence the nature and function of MSCs, and their associated secretome, may provide key insights into the underlying mechanisms driving these alterations. Elucidating the dynamic and diverse changes in the MSC secretome at each stage of in vitro expansion is a critical next step in the development of standardized, safe, and effective MSC-based therapies.
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Affiliation(s)
- Katherine Miclau
- Center for Regenerative and Personalized Medicine (CRPM)Steadman Philippon Research InstituteVailColoradoUSA,Orthopaedic Trauma Institute (OTI)University of California San FranciscoSan FranciscoCaliforniaUSA
| | - William S. Hambright
- Center for Regenerative and Personalized Medicine (CRPM)Steadman Philippon Research InstituteVailColoradoUSA
| | - Johnny Huard
- Center for Regenerative and Personalized Medicine (CRPM)Steadman Philippon Research InstituteVailColoradoUSA
| | - Martin J. Stoddart
- Orthopaedic Trauma Institute (OTI)University of California San FranciscoSan FranciscoCaliforniaUSA
| | - Chelsea S. Bahney
- Center for Regenerative and Personalized Medicine (CRPM)Steadman Philippon Research InstituteVailColoradoUSA,AO Research Institute DavosDavosSwitzerland
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20
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Quality criteria for in vitro human pluripotent stem cell-derived models of tissue-based cells. Reprod Toxicol 2022; 112:36-50. [PMID: 35697279 DOI: 10.1016/j.reprotox.2022.06.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 05/27/2022] [Accepted: 06/07/2022] [Indexed: 12/21/2022]
Abstract
The advent of the technology to isolate or generate human pluripotent stem cells provided the potential to develop a wide range of human models that could enhance understanding of mechanisms underlying human development and disease. These systems are now beginning to mature and provide the basis for the development of in vitro assays suitable to understand the biological processes involved in the multi-organ systems of the human body, and will improve strategies for diagnosis, prevention, therapies and precision medicine. Induced pluripotent stem cell lines are prone to phenotypic and genotypic changes and donor/clone dependent variability, which means that it is important to identify the most appropriate characterization markers and quality control measures when sourcing new cell lines and assessing differentiated cell and tissue culture preparations for experimental work. This paper considers those core quality control measures for human pluripotent stem cell lines and evaluates the state of play in the development of key functional markers for their differentiated cell derivatives to promote assurance of reproducibility of scientific data derived from pluripotent stem cell-based systems.
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21
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Coccini T, Spinillo A, Roccio M, Lenta E, Valsecchi C, De Simone U. Human Umbilical Cord Mesenchymal Stem Cell-Based in vitro Model for Neurotoxicity Testing. Curr Protoc 2022; 2:e423. [PMID: 35471597 DOI: 10.1002/cpz1.423] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Neurotoxicity (NT) testing for regulatory purposes is based on in vivo animal testing. There is general consensus, however, about the need for the development of alternative methodologies to allow researchers to more rapidly and cost effectively screen large numbers of chemicals for their potential to cause NT, or to investigate their mode of action. In vitro assays are considered an important source of information for making regulatory decisions, and human cell-based systems are recommended as one of the most relevant models in toxicity testing, to reduce uncertainty in the extrapolation of results from animal-based models. Human neuronal models range from various neuroblastoma cell lines to stem cell-derived systems, including those derived from mesenchymal stem/stromal cells (hMSC). hMSCs exhibit numerous advantages, including the fact that they can be obtained in high yield from healthy human adult tissues, can be cultured with a minimal laboratory setup and without genetic manipulations, are able of continuous and repeated self-renewal, are nontumorigenic, and can form large populations of stably differentiated cells representative of different tissues, including neuronal cells. hMSCs derived from human umbilical cord (hUC) in particular possess several prominent advantages, including a painless, non-invasive, and ethically acceptable collection procedure, simple and convenient preparation, and high proliferation capacity. In addition, hMSCs can be efficiently differentiated into neuron-like cells (hNLCs), which can then be used for the assessment of neuronal toxicity of potential neurotoxic compounds in humans. Here, we describe a step-by-step procedure to use hMSCs from the umbilical cord for in vitro neurotoxicity testing. First, we describe how to isolate, amplify, and store hMSCs derived from the umbilical cord. We then outline the steps to transdifferentiate these cells into hNLCs, and then use the hNLCs for neurotoxicity testing by employing multiple common cytotoxicity assays after treatment with test compounds. The approach follows the most updated guidance on using human cell-based systems. These protocols will allow investigators to implement an alternative system for obtaining primary NLCs of human origin, and support advancement in neurotoxicity research. © 2022 The Authors. Current Protocols published by Wiley Periodicals LLC. Basic Protocol 1: Isolation and maintenance of human mesenchymal stem/stromal cells (hMSCs) obtained from the umbilical cord lining membrane Basic Protocol 2: Transdifferentiation of hMSCs into neuron-like cells (hNLCs) and basic neurotoxicity assessment.
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Affiliation(s)
- Teresa Coccini
- Laboratory of Clinical and Experimental Toxicology, and Pavia Poison Centre-National Toxicology Information Centre, Toxicology Unit, Istituti Clinici Scientifici Maugeri IRCCS, Pavia, Italy
| | - Arsenio Spinillo
- Department of Obstetrics and Gynecology, Fondazione IRCCS Policlinico San Matteo, University of Pavia, Pavia, Italy
| | - Marianna Roccio
- Department of Obstetrics and Gynecology, Fondazione IRCCS Policlinico San Matteo, University of Pavia, Pavia, Italy
| | - Elisa Lenta
- Immunology and Transplantation Laboratory, Pediatric Hematology Oncology Unit, Cell Factory, Department of Maternal and Children's Health, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Chiara Valsecchi
- Immunology and Transplantation Laboratory, Pediatric Hematology Oncology Unit, Cell Factory, Department of Maternal and Children's Health, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Uliana De Simone
- Laboratory of Clinical and Experimental Toxicology, and Pavia Poison Centre-National Toxicology Information Centre, Toxicology Unit, Istituti Clinici Scientifici Maugeri IRCCS, Pavia, Italy
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22
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Consumer Acceptance and Production of In Vitro Meat: A Review. SUSTAINABILITY 2022. [DOI: 10.3390/su14094910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
In vitro meat (IVM) is a recent development in the production of sustainable food. The consumer perception of IVM has a strong impact on the commercial success of IVM. Hence this review examines existing studies related to consumer concerns, acceptance and uncertainty of IVM. This will help create better marketing strategies for IVM-producing companies in the future. In addition, IVM production is described in terms of the types of cells and culture conditions employed. The applications of self-organising, scaffolding, and 3D printing techniques to produce IVM are also discussed. As the conditions for IVM production are controlled and can be manipulated, it will be feasible to produce a chemically safe and disease-free meat with improved consumer acceptance on a sustainable basis.
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23
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Spînu N, Cronin MT, Lao J, Bal-Price A, Campia I, Enoch SJ, Madden JC, Mora Lagares L, Novič M, Pamies D, Scholz S, Villeneuve DL, Worth AP. Probabilistic modelling of developmental neurotoxicity based on a simplified adverse outcome pathway network. COMPUTATIONAL TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2022; 21:100206. [PMID: 35211661 PMCID: PMC8857173 DOI: 10.1016/j.comtox.2021.100206] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 11/08/2021] [Accepted: 11/25/2021] [Indexed: 12/14/2022]
Abstract
In a century where toxicology and chemical risk assessment are embracing alternative methods to animal testing, there is an opportunity to understand the causal factors of neurodevelopmental disorders such as learning and memory disabilities in children, as a foundation to predict adverse effects. New testing paradigms, along with the advances in probabilistic modelling, can help with the formulation of mechanistically-driven hypotheses on how exposure to environmental chemicals could potentially lead to developmental neurotoxicity (DNT). This investigation aimed to develop a Bayesian hierarchical model of a simplified AOP network for DNT. The model predicted the probability that a compound induces each of three selected common key events (CKEs) of the simplified AOP network and the adverse outcome (AO) of DNT, taking into account correlations and causal relations informed by the key event relationships (KERs). A dataset of 88 compounds representing pharmaceuticals, industrial chemicals and pesticides was compiled including physicochemical properties as well as in silico and in vitro information. The Bayesian model was able to predict DNT potential with an accuracy of 76%, classifying the compounds into low, medium or high probability classes. The modelling workflow achieved three further goals: it dealt with missing values; accommodated unbalanced and correlated data; and followed the structure of a directed acyclic graph (DAG) to simulate the simplified AOP network. Overall, the model demonstrated the utility of Bayesian hierarchical modelling for the development of quantitative AOP (qAOP) models and for informing the use of new approach methodologies (NAMs) in chemical risk assessment.
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Key Words
- ADMET, Absorption, distribution, metabolism, excretion, and toxicity
- AO, Adverse outcome
- AOP, Adverse outcome pathway
- Adverse Outcome Pathway
- BBB, Blood-brain-barrier
- BDNF, Brain-derived neurotrophic factor
- Bayesian hierarchical model
- CAS RN, Chemical Abstracts Service Registry Number
- CI, Credible interval CKE, Common key event
- CNS, Central nervous system
- CRA, Chemical risk assessment
- Common Key Event
- DAG, Directed acyclic graph
- DNT, Developmental neurotoxicity
- DTXSID, The US EPA Comptox Chemical Dashboard substance identifier
- Developmental Neurotoxicity
- EC, Effective concentration
- HDI, Highest density interval
- IATA, Integrated Approaches to Testing and Assessment
- KE, Key event
- KER, Key event relationship
- LDH, Lactate dehydrogenase
- MCMC, Markov chain Monte Carlo
- MIE, Molecular initiating event
- NAM, New approach methodology
- New Approach Methodology
- OECD, Organisation for Economic Cooperation and Development
- P-gp, P-glycoprotein
- PBK, Physiologically-based kinetic
- QSAR, Quantitative structure-activity relationship
- SMILES, Simplified molecular input line entry system
- qAOP, Quantitative adverse outcome pathway
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Affiliation(s)
- Nicoleta Spînu
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Byrom Street, Liverpool L3 3AF, UK
| | - Mark T.D. Cronin
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Byrom Street, Liverpool L3 3AF, UK
| | - Junpeng Lao
- Department of Psychology, University of Fribourg, Fribourg CH-1700, Switzerland
| | - Anna Bal-Price
- European Commission, Joint Research Centre (JRC), Ispra, Italy
| | - Ivana Campia
- European Commission, Joint Research Centre (JRC), Ispra, Italy
| | - Steven J. Enoch
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Byrom Street, Liverpool L3 3AF, UK
| | - Judith C. Madden
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Byrom Street, Liverpool L3 3AF, UK
| | - Liadys Mora Lagares
- Jožef Stefan International Postgraduate School, 1000 Ljubljana, Slovenia
- Theory Department, Laboratory for Cheminformatics, National Institute of Chemistry, 1000 Ljubljana, Slovenia
| | - Marjana Novič
- Theory Department, Laboratory for Cheminformatics, National Institute of Chemistry, 1000 Ljubljana, Slovenia
| | - David Pamies
- Department of Biomedical Science, University of Lausanne, Lausanne, Vaud, Switzerland
- Swiss Centre for Applied Human Toxicology (SCAHT), Switzerland
| | - Stefan Scholz
- Helmholtz-Centre for Environmental Research − UFZ, Department of Bioanalytical Ecotoxicology, Permoserstrasse 15, 04318 Leipzig, Germany
| | - Daniel L. Villeneuve
- US Environmental Protection Agency, Great Lakes Toxicology and Ecology Division, Duluth, MN 55804, MN, USA
| | - Andrew P. Worth
- European Commission, Joint Research Centre (JRC), Ispra, Italy
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24
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Prospects of artificial meat: Opportunities and challenges around consumer acceptance. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.07.010] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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25
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Riss TL, Moravec RA, Duellman SJ, Niles AL. Treating Cells as Reagents to Design Reproducible Assays. SLAS DISCOVERY 2021; 26:1256-1267. [PMID: 34530643 DOI: 10.1177/24725552211039754] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The reproducibility of high-throughput cell-based assays is dependent on having a consistent source of cells for each experiment. Developing an understanding of the nature of cells growing in vitro and factors that influence their responsiveness to test compounds will contribute to the development of reproducible cell-based assays. Using good cell culture practices and establishing standard operating procedures (SOPs) for handling cultures can eliminate several potential contributors to variability in the responsiveness and performance of cells. The SOPs for handling each cell type must have clear and detailed instructions that can be understood and followed among different laboratories. The SOPs should include documenting the source of cells and authenticating their identity, both of which have become required to achieve peer acceptance of experimental data. Variability caused by biological issues such as phenotypic drift can be reduced by using standardized subculture procedures or using cryopreserved cells to set up experiments. Variability caused by inconsistent dispensing of cells per well and edge effects can be identified by measuring how many cells are present and whether they are alive or dead. Multiplex methods for real-time measurement of viable or dead cell number in each sample can be used for normalizing data and determining if proliferation or cytotoxicity has occurred during the experiment. Following good cell culture practices will go a long way toward executing reproducible cell-based assays. Resources will be included describing good cell culture practices, cell line authentication, and multiplex determination of cell number as an internal control.
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26
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Kumar P, Sharma N, Sharma S, Mehta N, Verma AK, Chemmalar S, Sazili AQ. In-vitro meat: a promising solution for sustainability of meat sector. JOURNAL OF ANIMAL SCIENCE AND TECHNOLOGY 2021; 63:693-724. [PMID: 34447949 PMCID: PMC8367411 DOI: 10.5187/jast.2021.e85] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 06/21/2021] [Accepted: 06/22/2021] [Indexed: 12/25/2022]
Abstract
The in-vitro meat is a novel concept in food biotechnology
comprising field of tissue engineering and cellular agriculture. It involves
production of edible biomass by in-vitro culture of stem cells
harvested from the muscle of live animals by self-organizing or scaffolding
methodology. It is considered as efficient, environmental friendly, better
ensuring public safety and nutritional security, as well as ethical way of
producing meat. Source of stem cells, media ingredients, supply of large size
bioreactors, skilled manpower, sanitary requirements, production of products
with similar sensory and textural attributes as of conventional meat, consumer
acceptance, and proper set up of regulatory framework are challenges faced in
commercialization and consumer acceptance of in-vitro meat. To
realize any perceivable change in various socio-economic and environmental
spheres, the technology should be commercialized and should be cost-effective as
conventional meat and widely accepted among consumers. The new challenges of
increasing demand of meat with the increasing population could be fulfill by the
establishment of in-vitro meat production at large scale and
its popularization. The adoption of in-vitro meat production at an industrial
scale will lead to self-sufficiency in the developed world.
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Affiliation(s)
- Pavan Kumar
- Department of Livestock Products Technology, College of Veterinary Science, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana Punjab 141004, India.,Institute of Tropical Agriculture and Food Security, Universiti Putra Malaysia, Serdang 43400, Malaysia
| | - Neelesh Sharma
- Division of Veterinary Medicine, Faculty of Veterinary Sciences & Animal Husbandry, Sher-e-Kashmir University of Agricultural Sciences & Technology of Jammu, R.S. Pura, UT of Jammu and Kashmir 181102, India
| | - Shubham Sharma
- Department of Livestock Production and Management, College of Veterinary Sciences & Animal Husbandry, Nanaji Deshmukh Veterinary Science University, Mhow, Madhya Pradesh 453446, India
| | - Nitin Mehta
- Department of Livestock Products Technology, College of Veterinary Science, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana Punjab 141004, India
| | - Akhilesh Kumar Verma
- Department of Livestock Products Technology, College of Veterinary and Animal Science, Sardar Vallabhbhai Patel University of Agriculture and Technology, Meerut, Uttar Pradesh 250110, India
| | - S Chemmalar
- Natural Medicines and Product Research Laboratory, Institute of Bioscience, Universiti Putra Malaysia, Serdang 43400, Malaysia
| | - Awis Qurni Sazili
- Institute of Tropical Agriculture and Food Security, Universiti Putra Malaysia, Serdang 43400, Malaysia
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27
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Shibamiya A, Schulze E, Krauß D, Augustin C, Reinsch M, Schulze ML, Steuck S, Mearini G, Mannhardt I, Schulze T, Klampe B, Werner T, Saleem U, Knaust A, Laufer SD, Neuber C, Lemme M, Behrens CS, Loos M, Weinberger F, Fuchs S, Eschenhagen T, Hansen A, Ulmer BM. Cell Banking of hiPSCs: A Practical Guide to Cryopreservation and Quality Control in Basic Research. ACTA ACUST UNITED AC 2021; 55:e127. [PMID: 32956561 DOI: 10.1002/cpsc.127] [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] [Indexed: 12/12/2022]
Abstract
The reproducibility of stem cell research relies on the constant availability of quality-controlled cells. As the quality of human induced pluripotent stem cells (hiPSCs) can deteriorate in the course of a few passages, cell banking is key to achieve consistent results and low batch-to-batch variation. Here, we provide a cost-efficient route to generate master and working cell banks for basic research projects. In addition, we describe minimal protocols for quality assurance including tests for sterility, viability, pluripotency, and genetic integrity. © 2020 The Authors. Basic Protocol 1: Expansion of hiPSCs Basic Protocol 2: Cell banking of hiPSCs Support Protocol 1: Pluripotency assessment by flow cytometry Support Protocol 2: Thawing control: Viability and sterility Support Protocol 3: Potency, viral clearance, and pluripotency: Spontaneous differentiation and qRT-PCR Support Protocol 4: Identity: Short tandem repeat analysis.
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Affiliation(s)
- Aya Shibamiya
- Institute of Experimental Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,DZHK (German Center for Cardiovascular Research), partner site Hamburg/Kiel/Lübeck, Hamburg, Germany
| | - Elisabeth Schulze
- Institute of Experimental Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,DZHK (German Center for Cardiovascular Research), partner site Hamburg/Kiel/Lübeck, Hamburg, Germany
| | - Dana Krauß
- Institute of Experimental Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,Current address: Institute of Cancer Research, Department of Medicine I, Medical University of Vienna and Comprehensive Cancer Center, Vienna, Austria
| | - Christa Augustin
- Department of Legal Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Marina Reinsch
- Institute of Experimental Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,DZHK (German Center for Cardiovascular Research), partner site Hamburg/Kiel/Lübeck, Hamburg, Germany
| | - Mirja Loreen Schulze
- Institute of Experimental Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,DZHK (German Center for Cardiovascular Research), partner site Hamburg/Kiel/Lübeck, Hamburg, Germany
| | - Simone Steuck
- Institute of Experimental Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,DZHK (German Center for Cardiovascular Research), partner site Hamburg/Kiel/Lübeck, Hamburg, Germany
| | - Giulia Mearini
- Institute of Experimental Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,DZHK (German Center for Cardiovascular Research), partner site Hamburg/Kiel/Lübeck, Hamburg, Germany
| | - Ingra Mannhardt
- Institute of Experimental Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,DZHK (German Center for Cardiovascular Research), partner site Hamburg/Kiel/Lübeck, Hamburg, Germany
| | - Thomas Schulze
- Institute of Experimental Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,DZHK (German Center for Cardiovascular Research), partner site Hamburg/Kiel/Lübeck, Hamburg, Germany
| | - Birgit Klampe
- Institute of Experimental Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,DZHK (German Center for Cardiovascular Research), partner site Hamburg/Kiel/Lübeck, Hamburg, Germany
| | - Tessa Werner
- Institute of Experimental Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,DZHK (German Center for Cardiovascular Research), partner site Hamburg/Kiel/Lübeck, Hamburg, Germany
| | - Umber Saleem
- Institute of Experimental Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,DZHK (German Center for Cardiovascular Research), partner site Hamburg/Kiel/Lübeck, Hamburg, Germany
| | - Anika Knaust
- Institute of Experimental Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,DZHK (German Center for Cardiovascular Research), partner site Hamburg/Kiel/Lübeck, Hamburg, Germany
| | - Sandra D Laufer
- Institute of Experimental Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,DZHK (German Center for Cardiovascular Research), partner site Hamburg/Kiel/Lübeck, Hamburg, Germany
| | - Christiane Neuber
- Institute of Experimental Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,DZHK (German Center for Cardiovascular Research), partner site Hamburg/Kiel/Lübeck, Hamburg, Germany
| | - Marta Lemme
- Institute of Experimental Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,DZHK (German Center for Cardiovascular Research), partner site Hamburg/Kiel/Lübeck, Hamburg, Germany
| | - Charlotta Sophie Behrens
- Institute of Experimental Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,DZHK (German Center for Cardiovascular Research), partner site Hamburg/Kiel/Lübeck, Hamburg, Germany
| | - Malte Loos
- Institute of Experimental Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,DZHK (German Center for Cardiovascular Research), partner site Hamburg/Kiel/Lübeck, Hamburg, Germany
| | - Florian Weinberger
- Institute of Experimental Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,DZHK (German Center for Cardiovascular Research), partner site Hamburg/Kiel/Lübeck, Hamburg, Germany
| | - Sigrid Fuchs
- Institute of Human Genetics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Thomas Eschenhagen
- Institute of Experimental Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,DZHK (German Center for Cardiovascular Research), partner site Hamburg/Kiel/Lübeck, Hamburg, Germany
| | - Arne Hansen
- Institute of Experimental Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,DZHK (German Center for Cardiovascular Research), partner site Hamburg/Kiel/Lübeck, Hamburg, Germany
| | - Bärbel Maria Ulmer
- Institute of Experimental Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,DZHK (German Center for Cardiovascular Research), partner site Hamburg/Kiel/Lübeck, Hamburg, Germany
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28
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Piergiovanni M, Leite SB, Corvi R, Whelan M. Standardisation needs for organ on chip devices. LAB ON A CHIP 2021; 21:2857-2868. [PMID: 34251386 DOI: 10.1039/d1lc00241d] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Organ on chip (OoC) devices represent the cutting edge of biotechnologies, combining advanced cell and tissue culture with microengineering. OoC is accelerating innovation in the life sciences and has the potential to revolutionise many fields including biomedical research, drug development and chemical risk assessment. In order to gain acceptance by end-users of OoC based methods and the data derived from them, and to establish OoC approaches as credible alternatives to animal testing, OoC devices need to go through an extensive qualification process. In this context, standardisation can play a key role in ensuring proper characterisation of individual devices, benchmarking against appropriate reference elements and aiding efficient communication among stakeholders. The development of standards for OoC will address several important issues such as basic terminology, device classification, and technical and biological performance. An analysis of technical and biological aspects related to OoC is presented here to identify standardisation areas specific for OoC, focusing on needs and opportunities. About 90 standards are already available from related fields including microtechnologies, medical devices and in vitro cell culture, laying the basis for future work in the OoC domain. Finally, two priority areas for OoC are identified that could be addressed with standards, namely, characterisation of small molecule absorption and measurement of microfluidic parameters.
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Affiliation(s)
| | - Sofia B Leite
- European Commission, Joint Research Centre (JRC), Ispra, Italy.
| | - Raffaella Corvi
- European Commission, Joint Research Centre (JRC), Ispra, Italy.
| | - Maurice Whelan
- European Commission, Joint Research Centre (JRC), Ispra, Italy.
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29
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Maertens A, Golden E, Hartung T. Avoiding Regrettable Substitutions: Green Toxicology for Sustainable Chemistry. ACS SUSTAINABLE CHEMISTRY & ENGINEERING 2021; 9:7749-7758. [PMID: 36051558 PMCID: PMC9432817 DOI: 10.1021/acssuschemeng.0c09435] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Green chemistry seeks to design less hazardous chemicals, but many of the efforts to replace chemicals have resulted in so-called "Regrettable Substitutions", when a chemical with an unknown or unforeseen hazard is used to replace a chemical identified as problematic. Here, we discuss the literature on regrettable substitution and focus on an oft-mentioned case, Bisphenol A, which was replaced with Bisphenol S-and the lessons that can be learned from this history. In particular, we focus on how Green Toxicology can offer a way to make better substitutions.
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Affiliation(s)
- Alexandra Maertens
- Center for Alternatives to Animal Testing (CAAT), Johns Hopkins Bloomberg School of Public Health, Department of Environmental Health and Engineering, Baltimore, Maryland 21205, United States
| | - Emily Golden
- Center for Alternatives to Animal Testing (CAAT), Johns Hopkins Bloomberg School of Public Health, Department of Environmental Health and Engineering, Baltimore, Maryland 21205, United States
| | - Thomas Hartung
- Center for Alternatives to Animal Testing (CAAT), Johns Hopkins Bloomberg School of Public Health, Department of Environmental Health and Engineering, Baltimore, Maryland 21205, United States; CAAT-Europe, University of Konstanz, 78464 Konstanz, Germany
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Gautam R, Yang S, Maharjan A, Jo J, Acharya M, Heo Y, Kim C. Prediction of Skin Sensitization Potential of Silver and Zinc Oxide Nanoparticles Through the Human Cell Line Activation Test. FRONTIERS IN TOXICOLOGY 2021; 3:649666. [PMID: 35295130 PMCID: PMC8915822 DOI: 10.3389/ftox.2021.649666] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 04/26/2021] [Indexed: 11/23/2022] Open
Abstract
The development of nanotechnology has propagated the use of nanoparticles (NPs) in various fields including industry, agriculture, engineering, cosmetics, or medicine. The use of nanoparticles in cosmetics and dermal-based products is increasing owing to their higher surface area and unique physiochemical properties. Silver (Ag) NPs' excellent broad-spectrum antibacterial property and zinc oxide (ZnO) NPs' ability to confer better ultraviolet (UV) protection has led to their maximal use in cosmetics and dermal products. While the consideration for use of nanoparticles is increasing, concerns have been raised regarding their potential negative impacts. Although used in various dermal products, Ag and ZnO NPs' skin sensitization (SS) potential has not been well-investigated using in vitro alternative test methods. The human Cell Line Activation Test (h-CLAT) that evaluates the ability of chemicals to upregulate the expression of CD86 and CD54 in THP-1 cell line was used to assess the skin sensitizing potential of these NPs. The h-CLAT assay was conducted following OECD TG 442E. NPs inducing relative fluorescence intensity of CD86 ≥ 150% and/or CD54 ≥ 200% in at least two out of three independent runs were predicted to be positive. Thus, Ag (20, 50, and 80 nm) NPs and ZnO NPs were all predicted to be positive in terms of SS possibility using the h-CLAT prediction model. Although further confirmatory tests addressing other key events (KEs) of SS adverse outcome pathway (AOP) should be carried out, this study gave an insight into the need for cautious use of Ag and ZnO NPs based skincare or dermal products owing to their probable skin sensitizing potency.
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Affiliation(s)
- Ravi Gautam
- Department of Occupational Health, College of Bio and Medical Sciences, Daegu Catholic University, Gyeongsan, South Korea
| | - SuJeong Yang
- Department of Occupational Health, College of Bio and Medical Sciences, Daegu Catholic University, Gyeongsan, South Korea
| | - Anju Maharjan
- Department of Occupational Health, College of Bio and Medical Sciences, Daegu Catholic University, Gyeongsan, South Korea
| | - JiHun Jo
- Department of Occupational Health, College of Bio and Medical Sciences, Daegu Catholic University, Gyeongsan, South Korea
| | - Manju Acharya
- Department of Occupational Health, College of Bio and Medical Sciences, Daegu Catholic University, Gyeongsan, South Korea
| | - Yong Heo
- Department of Occupational Health, College of Bio and Medical Sciences, Daegu Catholic University, Gyeongsan, South Korea
- Department of Toxicity Assessment, The Graduate School of Medical and Health Industry, Daegu Catholic University, Gyeongsan, South Korea
| | - ChangYul Kim
- Department of Toxicity Assessment, The Graduate School of Medical and Health Industry, Daegu Catholic University, Gyeongsan, South Korea
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Role of Shear Stress on Renal Proximal Tubular Cells for Nephrotoxicity Assays. J Toxicol 2021; 2021:6643324. [PMID: 33976696 PMCID: PMC8084667 DOI: 10.1155/2021/6643324] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Accepted: 03/24/2021] [Indexed: 12/21/2022] Open
Abstract
Drug-induced nephrotoxicity causes huge morbidity and mortality at massive financial cost. The greatest burden of drug-induced acute kidney injury falls on the proximal tubular cells. To maintain their structure and function, renal proximal tubular cells need the shear stress from tubular fluid flow. Diverse techniques to reintroduce shear stress have been studied in a variety of proximal tubular like cell culture models. These studies often have limited replicates because of the huge cost of equipment and do not report all relevant parameters to allow reproduction and comparison of studies between labs. This review codifies the techniques used to reintroduce shear stress, the cell lines utilized, and the biological outcomes reported. Further, we propose a set of interventions to enhance future cell biology understanding of nephrotoxicity using cell culture models.
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32
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Medrano-Padial C, Puerto M, Richard T, Cantos-Villar E, Pichardo S. Protection and reversion role of a pure stilbene extract from grapevine shoot and its major compounds against an induced oxidative stress. J Funct Foods 2021. [DOI: 10.1016/j.jff.2021.104393] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
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33
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Jairath G, Mal G, Gopinath D, Singh B. A holistic approach to access the viability of cultured meat: A review. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.02.024] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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34
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Bas A, Burns N, Gulotta A, Junker J, Drasler B, Lehner R, Aicher L, Constant S, Petri-Fink A, Rothen-Rutishauser B. Understanding the Development, Standardization, and Validation Process of Alternative In Vitro Test Methods for Regulatory Approval from a Researcher Perspective. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2006027. [PMID: 33480475 DOI: 10.1002/smll.202006027] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Revised: 12/05/2020] [Indexed: 06/12/2023]
Abstract
Due to economic, practical, ethical, and scientific reasons, researchers, among others, are pushing for alternative in vitro test methods to replace or reduce existing animal experiments. In order for these tests to be more broadly used by the industrial sector and regulatory bodies, orchestrated efforts are required to show the robustness and reliability of in vitro methods, which can accelerate the use for early screening testing. Another way of increasing the use of alternatives is to coordinate validation studies, that is, multi-laboratory trials, and to gain regulatory approval and instatement as test guidelines or standard method. However, awareness of the exact standardization, validation, and approval process has been a major obstacle for many researchers. Herein, the process has been broken down into three main phases: i) test method development; ii) intra- and inter-laboratory validation; and iii) regulatory acceptance. This general process applies to all alternative methods seeking validation and approval, although the intricacies of different toxicological endpoints and/or chemical sectors may lead to additional work, particularly in the validation stage. The authors' aim is to provide insight in the development process of alternative methods with a focus on in vitro cell culture methods over validation to regulatory acceptance.
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Affiliation(s)
- Aurora Bas
- Worcester Polytechnic Institute, Worcester, MA, 01609, USA
| | - Nicole Burns
- Worcester Polytechnic Institute, Worcester, MA, 01609, USA
| | - Andrew Gulotta
- Worcester Polytechnic Institute, Worcester, MA, 01609, USA
| | - James Junker
- Worcester Polytechnic Institute, Worcester, MA, 01609, USA
| | - Barbara Drasler
- Adolphe Merkle Institute, University of Fribourg, Fribourg, 1700, Switzerland
| | - Roman Lehner
- Adolphe Merkle Institute, University of Fribourg, Fribourg, 1700, Switzerland
| | - Lothar Aicher
- Swiss Centre for Applied Human Toxicology, University of Basel, Basel, 4055, Switzerland
| | | | - Alke Petri-Fink
- Adolphe Merkle Institute, University of Fribourg, Fribourg, 1700, Switzerland
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35
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Standardization of esophageal adenocarcinoma in vitro model and its applicability for model drug testing. Sci Rep 2021; 11:6664. [PMID: 33758229 PMCID: PMC7988140 DOI: 10.1038/s41598-021-85530-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Accepted: 02/25/2021] [Indexed: 01/11/2023] Open
Abstract
FLO-1 cell line represents an important tool in esophageal adenocarcinoma (EAC) research as a verified and authentic cell line to study the disease pathophysiology and antitumor drug screenings. Since in vitro characteristics of cells depend on the microenvironment and culturing conditions, we performed a thorough characterization of the FLO-1 cell line under different culturing conditions with the aim of (1) examining the effect of serum-free growth medium and air–liquid interface (A–L) culturing, which better reflect physiological conditions in vivo and (2) investigating the differentiation potential of FLO-1 cells to mimic the properties of the in vivo esophageal epithelium. Our study shows that the composition of the media influenced the morphological, ultrastructural and molecular characteristics of FLO-1 cells, such as the expression of junctional proteins. Importantly, FLO-1 cells formed spheres at the A–L interface, recapitulating key elements of tumors in the esophageal tube, i.e., direct contact with the gas phase and three-dimensional architecture. On the other hand, FLO-1 models exhibited high permeability to model drugs and zero permeability markers, and low transepithelial resistance, and therefore poorly mimicked normal esophageal epithelium. In conclusion, the identified effect of culture conditions on the characteristics of FLO-1 cells should be considered for standardization, data reproducibility and validity of the in vitro EAC model. Moreover, the sphere-forming ability of FLO-1 cells at the A–L interface should be considered in EAC tumor biology and anticancer drug studies as a reliable and straightforward model with the potential to increase the predictive efficiency of the current in vitro approaches.
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36
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Leedale JA, Lucendo-Villarin B, Meseguer-Ripolles J, Kasarinaite A, Webb SD, Hay DC. Mathematical modelling of oxygen gradients in stem cell-derived liver tissue. PLoS One 2021; 16:e0244070. [PMID: 33556073 PMCID: PMC7870006 DOI: 10.1371/journal.pone.0244070] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Accepted: 12/03/2020] [Indexed: 01/08/2023] Open
Abstract
A major bottleneck in the study of human liver physiology is the provision of stable liver tissue in sufficient quantity. As a result, current approaches to modelling human drug efficacy and toxicity rely heavily on immortalized human and animal cell lines. These models are informative but do possess significant drawbacks. To address the issues presented by those models, researchers have turned to pluripotent stem cells (PSCs). PSCs can be generated from defined genetic backgrounds, are scalable, and capable of differentiation to all the cell types found in the human body, representing an attractive source of somatic cells for in vitro and in vivo endeavours. Although unlimited numbers of somatic cell types can be generated in vitro, their maturation still remains problematic. In order to develop high fidelity PSC-derived liver tissue, it is necessary to better understand the cell microenvironment in vitro including key elements of liver physiology. In vivo a major driver of zonated liver function is the oxygen gradient that exists from periportal to pericentral regions. In this paper, we demonstrate how cell culture conditions for PSC-derived liver sphere systems can be optimised to recapitulate physiologically relevant oxygen gradients by using mathematical modelling. The mathematical model incorporates some often-understated features and mechanisms of traditional spheroid systems such as cell-specific oxygen uptake, media volume, spheroid size, and well dimensions that can lead to a spatially heterogeneous distribution of oxygen. This mathematical modelling approach allows for the calibration and identification of culture conditions required to generate physiologically realistic function within the microtissue through recapitulation of the in vivo microenvironment.
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Affiliation(s)
- Joseph A. Leedale
- Department of Mathematical Sciences, University of Liverpool, Liverpool, United Kingdom
- * E-mail: (JAL); (DCH)
| | | | - Jose Meseguer-Ripolles
- MRC Centre for Regenerative Medicine, University of Edinburgh, Edinburgh, United Kingdom
| | - Alvile Kasarinaite
- MRC Centre for Regenerative Medicine, University of Edinburgh, Edinburgh, United Kingdom
| | - Steven D. Webb
- Department of Applied Mathematics, Liverpool John Moores University, Liverpool, United Kingdom
| | - David C. Hay
- MRC Centre for Regenerative Medicine, University of Edinburgh, Edinburgh, United Kingdom
- * E-mail: (JAL); (DCH)
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37
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Figueiredo FC, Glanville JM, Arber M, Carr E, Rydevik G, Hogg J, Okonkwo A, Figueiredo G, Lako M, Whiter F, Wilson K. A systematic review of cellular therapies for the treatment of limbal stem cell deficiency affecting one or both eyes. Ocul Surf 2021; 20:48-61. [PMID: 33412337 DOI: 10.1016/j.jtos.2020.12.008] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 12/15/2020] [Accepted: 12/28/2020] [Indexed: 01/18/2023]
Abstract
PURPOSE This systematic review (SR) assessed the efficacy, safety and cost-effectiveness of cell-based therapy to manage limbal stem cell deficiency (LSCD), a sight-threatening orphan condition most frequently associated with severe chemical or thermal burns. LSCD has historically been treated by transplanting limbal tissue. In 1997, a new treatment, cultured limbal epithelial autografts, was described for unilateral LSCD. In cases of bilateral disease cultured autologous oral mucosa stem cells have been used. The relative efficacy of different cultured tissue procedures is unknown. METHODS A protocol was registered with PROSPERO (CRD42017081117). Searches were conducted in 14 databases and 6 conference websites. Two reviewers independently selected studies, conducted data extraction and assessed risk of bias. One reviewer extracted individual patient data (IPD); a second checked extracted data. Data were assessed to determine the feasibility of statistical analysis, with Bayesian synthesis used to estimate improvement achieved by different treatments. RESULTS Fifty-two studies were eligible for inclusion (1113 eyes); 41 studies (716 eyes) reported IPD. No evidence was identified on cost-effectiveness. This SR was unable to confirm that any of the types of ex vivo cultured stem cell transplants identified for LSCD treatment were statistically superior when assessed against the outcomes of interest. CONCLUSIONS We believe this SR is the first to include IPD analysis of LSCD data. There is no evidence for the superiority of any method of limbal stem cell transplant. Confirmation of the safety and efficacy of this treatment modality is challenging due to heterogeneity within and between the studies identified. Therefore, recommendations for future research are proposed.
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Affiliation(s)
- F C Figueiredo
- Department of Ophthalmology, Royal Victoria Infirmary and University of Newcastle, Queen Victoria Road, Newcastle Upon Tyne, NE1 4LP, UK.
| | - J M Glanville
- York Health Economics Consortium, Enterprise House, Innovation Way, University of York, York, YO10 5NQ, UK
| | - M Arber
- York Health Economics Consortium, Enterprise House, Innovation Way, University of York, York, YO10 5NQ, UK
| | - E Carr
- York Health Economics Consortium, Enterprise House, Innovation Way, University of York, York, YO10 5NQ, UK
| | - G Rydevik
- Quantics Biostatistics, West End House, 28 Drumsheugh Gardens, Edinburgh, EH3 7RN, UK
| | - J Hogg
- Department of Ophthalmology, Royal Victoria Infirmary and University of Newcastle, Queen Victoria Road, Newcastle Upon Tyne, NE1 4LP, UK
| | - A Okonkwo
- Department of Ophthalmology, Royal Victoria Infirmary and University of Newcastle, Queen Victoria Road, Newcastle Upon Tyne, NE1 4LP, UK
| | - G Figueiredo
- Department of Ophthalmology, Royal Victoria Infirmary and University of Newcastle, Queen Victoria Road, Newcastle Upon Tyne, NE1 4LP, UK
| | - M Lako
- Biosciences Institute, Newcastle University, International Centre for Life, Newcastle, NE1 3BZ, UK
| | - F Whiter
- York Health Economics Consortium, Enterprise House, Innovation Way, University of York, York, YO10 5NQ, UK
| | - K Wilson
- York Health Economics Consortium, Enterprise House, Innovation Way, University of York, York, YO10 5NQ, UK
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38
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Seeger B. Farm Animal-derived Models of the Intestinal Epithelium: Recent Advances and Future Applications of Intestinal Organoids. Altern Lab Anim 2020; 48:215-233. [PMID: 33337913 DOI: 10.1177/0261192920974026] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Farm animals play an important role in translational research as large animal models of the gastrointestinal (GI) tract. The mechanistic investigation of zoonotic diseases of the GI tract, in which animals can act as asymptomatic carriers, could provide important information for therapeutic approaches. In veterinary medicine, farm animals are no less relevant, as they can serve as models for the development of diagnostic and therapeutic approaches of GI diseases in the target species. However, farm animal-derived cell lines of the intestinal epithelium are rarely available from standardised cell banks and, in addition, are not usually specific for certain sections of the intestine. Immortalised porcine or bovine enterocytic cell lines are more widely available, compared to goat or sheep-derived cell lines; no continuous cell lines are available from the chicken. Other epithelial cell types with intestinal section-specific distribution and function, such as goblet cells, enteroendocrine cells, Paneth cells and intestinal stem cells, are not represented in those cell line-based models. Therefore, intestinal organoid models of farm animal species, which are already widely used for mice and humans, are gaining importance. Crypt-derived or pluripotent stem cell-derived intestinal organoid models offer the possibility to investigate the mechanisms of inter-cell or host-pathogen interactions and to answer species-specific questions. This review is intended to give an overview of cell culture models of the intestinal epithelium of farm animals, discussing species-specific differences, culture techniques and some possible applications for intestinal organoid models. It also highlights the need for species-specific pluripotent stem cell-derived or crypt-derived intestinal organoid models for promotion of the Three Rs principles (replacement, reduction and refinement).
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Affiliation(s)
- Bettina Seeger
- Department of Food Toxicology and Replacement/Complementary Methods to Animal Testing, Institute for Food Toxicology, 460510University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
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39
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Süngü Mısırlıoğlu B, Çakır Ö, Calik H, Cakir-Koc R. Assessment of structural and cytotoxic properties of cobalt ferrite nanoparticles for biomedical applications. INORG NANO-MET CHEM 2020. [DOI: 10.1080/24701556.2020.1862216] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Banu Süngü Mısırlıoğlu
- Department of Physics, Faculty of Arts & Science, Yildiz Technical University, Istanbul, Turkey
| | - Öznur Çakır
- Department of Physics, Faculty of Arts & Science, Yildiz Technical University, Istanbul, Turkey
| | - Hilal Calik
- Department of Bioengineering, Faculty of Chemical and Metallurgical Engineering, Yildiz Technical University, Istanbul, Turkey
| | - Rabia Cakir-Koc
- Department of Bioengineering, Faculty of Chemical and Metallurgical Engineering, Yildiz Technical University, Istanbul, Turkey
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40
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Yang S, Heo Y, Gautam R, Lee J, Maharjan A, Jo J, Acharya M, Kim C, Kim H. Prediction of the skin sensitization potential of polyhexamethylene guanidine and triclosan and mixtures of these compounds with the excipient propylene glycol through the human Cell Line Activation Test. Toxicol Ind Health 2020; 37:1-8. [PMID: 33295265 DOI: 10.1177/0748233720974131] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Household products often contain an antimicrobial agent such as biocides, polyhexamethylene guanidine (PHMG), triclosan (TCS), and propylene glycol (PG) as an excipient to dissolve the active ingredients. The skin sensitization (SS) potentials of each of these substances or mixtures of PHMG or TCS with PG have not been investigated through in vitro alternative test methods. The in vitro alternative assay called human Cell Line Activation Test (h-CLAT) served to address these issues. The h-CLAT assay was conducted in accordance with OECD TG 442E. On three independent runs, all the three substances were predicted to be sensitizers according to the SS positivity with relative fluorescence intensity of CD86 ≥ 150% and/or CD54 ≥ 200% at any tested concentrations. Mixtures of PHMG or TCS with PG at ratios of 9:1, 4:1, or 1:4 weight/volume were all positive in terms of SS potential. Since humans can be occupationally or environmentally exposed to mixtures of excipients with active ingredients of biocides, the present study may give insights into further investigations of the SS potentials of various chemical mixtures.
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Affiliation(s)
- SuJeong Yang
- Department of Occupational Health, College of Bio-Medical Sciences, Daegu Catholic University, Gyeongbuk, Republic of Korea
| | - Yong Heo
- Department of Occupational Health, College of Bio-Medical Sciences, Daegu Catholic University, Gyeongbuk, Republic of Korea.,Department of Toxicology, Graduate School of 37981Daegu Catholic University, Gyeongbuk, Republic of Korea
| | - Ravi Gautam
- Department of Occupational Health, College of Bio-Medical Sciences, Daegu Catholic University, Gyeongbuk, Republic of Korea
| | - JaeHee Lee
- Department of Occupational Health, College of Bio-Medical Sciences, Daegu Catholic University, Gyeongbuk, Republic of Korea
| | - Anju Maharjan
- Department of Occupational Health, College of Bio-Medical Sciences, Daegu Catholic University, Gyeongbuk, Republic of Korea
| | - JiHun Jo
- Department of Occupational Health, College of Bio-Medical Sciences, Daegu Catholic University, Gyeongbuk, Republic of Korea
| | - Manju Acharya
- Department of Occupational Health, College of Bio-Medical Sciences, Daegu Catholic University, Gyeongbuk, Republic of Korea
| | - ChangYul Kim
- Department of Occupational Health, College of Bio-Medical Sciences, Daegu Catholic University, Gyeongbuk, Republic of Korea.,Department of Toxicology, Graduate School of 37981Daegu Catholic University, Gyeongbuk, Republic of Korea
| | - HyoungAh Kim
- Department of Preventive Medicine, College of Medicine, The 37128Catholic University of Korea, Seoul, Republic of Korea
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41
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Schwartz AB, Kapur A, Huang Z, Anangi R, Spear JM, Stagg S, Fardone E, Dekan Z, Rosenberg JT, Grant SC, King GF, Mattoussi H, Fadool DA. Olfactory bulb-targeted quantum dot (QD) bioconjugate and Kv1.3 blocking peptide improve metabolic health in obese male mice. J Neurochem 2020; 157:1876-1896. [PMID: 32978815 DOI: 10.1111/jnc.15200] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 09/15/2020] [Accepted: 09/16/2020] [Indexed: 01/10/2023]
Abstract
The olfactory system is a driver of feeding behavior, whereby olfactory acuity is modulated by the metabolic state of the individual. The excitability of the major output neurons of the olfactory bulb (OB) can be modulated through targeting a voltage-dependent potassium channel, Kv1.3, which responds to changes in metabolic factors such as insulin, glucose, and glucagon-like peptide-1. Because gene-targeted deletion or inhibition of Kv1.3 in the periphery has been found to increase energy metabolism and decrease body weight, we hypothesized that inhibition of Kv1.3 selectively in the OB could enhance excitability of the output neurons to evoke changes in energy homeostasis. We thereby employed metal-histidine coordination to self-assemble the Kv1.3 inhibitor margatoxin (MgTx) to fluorescent quantum dots (QDMgTx) as a means to label cells in vivo and test changes in neuronal excitability and metabolism when delivered to the OB. Using patch-clamp electrophysiology to measure Kv1.3 properties in heterologously expressed cells and native mitral cells in OB slices, we found that QDMgTx had a fast rate of inhibition, but with a reduced IC50, and increased action potential firing frequency. QDMgTx was capable of labeling cloned Kv1.3 channels but was not visible when delivered to native Kv1.3 in the OB. Diet-induced obese mice were observed to reduce body weight and clear glucose more quickly following osmotic mini-pump delivery of QDMgTx/MgTx to the OB, and following MgTx delivery, they increased the use of fats as fuels (reduced respiratory exchange ratio). These results suggest that enhanced excitability of bulbar output neurons can drive metabolic responses.
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Affiliation(s)
- Austin B Schwartz
- Institute of Molecular Biophysics, The Florida State University, Tallahassee, FL, USA
| | - Anshika Kapur
- Department of Chemistry and Biochemistry, The Florida State University, Tallahassee, FL, USA
| | - Zhenbo Huang
- Program in Neuroscience, The Florida State University, Tallahassee, FL, USA.,Department of Biological Science, The Florida State University, Tallahassee, FL, USA
| | - Raveendra Anangi
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Qld, Australia
| | - John M Spear
- Department of Chemistry and Biochemistry, The Florida State University, Tallahassee, FL, USA.,Institute for Molecular Bioscience, The University of Queensland, Brisbane, Qld, Australia
| | - Scott Stagg
- Department of Chemistry and Biochemistry, The Florida State University, Tallahassee, FL, USA.,Institute for Molecular Bioscience, The University of Queensland, Brisbane, Qld, Australia
| | - Erminia Fardone
- Program in Neuroscience, The Florida State University, Tallahassee, FL, USA
| | - Zolan Dekan
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Qld, Australia
| | - Jens T Rosenberg
- National High Field Magnetic Laboratory, The Florida State University, Tallahassee, FL, USA
| | - Samuel C Grant
- National High Field Magnetic Laboratory, The Florida State University, Tallahassee, FL, USA.,Department of Chemical & Biomedical Engineering, FAMU-FSU College of Engineering, Florida State University, Tallahassee, FL, USA
| | - Glenn F King
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Qld, Australia
| | - Hedi Mattoussi
- Department of Chemistry and Biochemistry, The Florida State University, Tallahassee, FL, USA
| | - Debra Ann Fadool
- Institute of Molecular Biophysics, The Florida State University, Tallahassee, FL, USA.,Program in Neuroscience, The Florida State University, Tallahassee, FL, USA.,Department of Biological Science, The Florida State University, Tallahassee, FL, USA
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42
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Silva Teófilo MÍ, de Carvalho Russi TMAZ, de Barros Silva PG, Balhaddad AA, Melo MAS, Rolim JPML. The Impact of Photosensitizer Selection on Bactericidal Efficacy Of PDT against Cariogenic Biofilms: A Systematic Review and Meta-Analysis. Photodiagnosis Photodyn Ther 2020; 33:102046. [PMID: 33031937 DOI: 10.1016/j.pdpdt.2020.102046] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 09/13/2020] [Accepted: 09/28/2020] [Indexed: 12/11/2022]
Abstract
BACKGROUND There are investigations on multiple photosensitizers for modulation of caries-related biofilms using PDT. However, much controversy remains about recommended parameters mostly on the selection of an efficient photosensitizer. OBJECTIVE The study performed a systematic review to identify the answer to the following question: What photosensitizers present high bactericidal efficacy against cariogenic biofilms? METHODS Systematic review with meta-analyses were carried out for English language articles from October to December 2019 (PRISMA standards) using MEDLINE, Scopus, Biomed Central, EMBASE, LILACS, and Web of Science. Information on study design, biofilm model, photosensitizer, light source, energy delivery, the incubation time for photosensitizer, and bacterial reduction outcomes were recorded. We performed two meta-analyses to compare bacterial reduction, data was expressed by (1) base 10 Logarithm values and (2) Log reduction RESULTS: After the eligibility criteria were applied (PEDro scale), the selected studies showed that toluidine Blue Ortho (TBO) and methylene blue (MBO) (5-min incubation time and 5-min irradiation) demonstrated better bacterial reduction outcomes. For the data expressed by Log TBO, MBO, curcumin, and Photogem® presented a significant bacterial decrease in comparison to the control (p = 0.042). For the data represented by Log reduction, the bacterial reduction toward S.mutans was not significant for any photosensitizer (p = 0.679). CONCLUSION The lack of methodological standardization among the studies still hinders the establishment of photosensitizer and bactericidal efficiency. TBO, MBO, curcumin, and photogem generate greater PDT-based bacterial reduction on caries-related bacteria.. Further clinical studies are necessary in order to obtain conclusive results.
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Affiliation(s)
| | | | | | - Abdulrahman A Balhaddad
- Dental Biomedical Sciences Ph.D. Program, University of Maryland School of Dentistry, Baltimore, MD 21201, USA; Department of Restorative Dental Sciences, Imam Abdulrahman Bin Faisal University, College of Dentistry, Dammam, Saudi Arabia
| | - Mary Anne S Melo
- Dental Biomedical Sciences Ph.D. Program, University of Maryland School of Dentistry, Baltimore, MD 21201, USA; Division of Operative Dentistry, Dept. of General Dentistry, University of Maryland School of Dentistry, Baltimore, MD 21201, USA
| | - Juliana P M L Rolim
- Department of Dentistry, Christus University Center (Unichristus), Fortaleza, Brazil.
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Jain N, Nitisa D, Pirsko V, Cakstina I. Selecting suitable reference genes for qPCR normalization: a comprehensive analysis in MCF-7 breast cancer cell line. BMC Mol Cell Biol 2020; 21:68. [PMID: 32977762 PMCID: PMC7519550 DOI: 10.1186/s12860-020-00313-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Accepted: 09/16/2020] [Indexed: 02/08/2023] Open
Abstract
Background MCF-7 breast cancer cell line is undoubtedly amongst the most extensively studied patient-derived research models, providing pivotal results that have over the decades translated to constantly improving patient care. Many research groups, have previously identified suitable reference genes for qPCR normalization in MCF-7 cell line. However, over the course of identification of suitable reference genes, a comparative analysis comprising these genes together in a single study has not been reported. Furthermore, the expression dynamics of these reference genes within sub-clones cultured over multiple passages (p) has attracted limited attention from research groups. Therefore, we investigated the expression dynamics of 12 previously suggested reference genes within two sub-clones (culture A1 and A2) cultured identically over multiple passages. Additionally, the effect of nutrient stress on reference gene expression was examined to postulate an evidence-based recommendation of the least variable reference genes that could be employed in future gene expression studies. Results The analysis revealed the presence of differential reference gene expression within the sub-clones of MCF-7. In culture A1, GAPDH-CCSER2 were identified as the least variable reference genes while for culture A2, GAPDH-RNA28S were identified. However, upon validation using genes of interest, both these pairs were found to be unsuitable control pairs. Normalization of AURKA and KRT19 with triplet pair GAPDH-CCSER2-PCBP1 yielded successful results. The triplet also proved its capability to handle variations arising from nutrient stress. Conclusions The variance in expression behavior amongst sub-clones highlights the potential need for exercising caution while selecting reference genes for MCF-7. GAPDH-CCSER2-PCBP1 triplet offers a reliable alternative to otherwise traditionally used internal controls for optimizing intra- and inter-assay gene expression differences. Furthermore, we suggest avoiding the use of ACTB, GAPDH and PGK1 as single internal controls.
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Affiliation(s)
- Nityanand Jain
- Laboratory of Molecular Genetics, Institute of Oncology, Riga Stradiņš University, Dzirciema street 16, Riga, LV-1007, Latvia
| | - Dina Nitisa
- Laboratory of Molecular Genetics, Institute of Oncology, Riga Stradiņš University, Dzirciema street 16, Riga, LV-1007, Latvia
| | - Valdis Pirsko
- Laboratory of Molecular Genetics, Institute of Oncology, Riga Stradiņš University, Dzirciema street 16, Riga, LV-1007, Latvia
| | - Inese Cakstina
- Laboratory of Molecular Genetics, Institute of Oncology, Riga Stradiņš University, Dzirciema street 16, Riga, LV-1007, Latvia.
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Sangkaew O, Yompakdee C. Fermented Unpolished Black Rice ( Oryza sativa L.) Inhibits Melanogenesis via ERK, p38, and AKT Phosphorylation in B16F10 Melanoma Cells. J Microbiol Biotechnol 2020; 30:1184-1194. [PMID: 32423183 PMCID: PMC9745659 DOI: 10.4014/jmb.2003.03019] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 05/06/2020] [Indexed: 12/15/2022]
Abstract
Melanin is a major factor that darkens skin color as one of the defense systems to prevent the harmful effects of UV light. However, darkened skin from the localized or systemic accumulation of melanin is viewed in many cultures as an esthetic problem. Consequentially, searching for antimelanogenic agents from natural sources is very popular worldwide. Previous screening of fermented rice products, obtained from various rice cultivars fermented with different sources of loog-pang (Thai traditional fermentation starter), revealed that the highest ability to reduce the melanin content in B16F10 melanoma cells was from unpolished black rice fermented with a defined starter mixture of microbes isolated from loog-pang E11. The aim of this study was to investigate the mechanism of the fermented unpolished black rice (FUBR) on the inhibition of melanogenesis in B16F10 melanoma cells. The strongest reduction of cellular melanin content was found in the FUBR sap (FUBRS). The melanin reduction activity was consistent with the significant decrease in the intracellular tyrosinase activity. The FUBRS showed no cytotoxic effect to B16F10 melanoma or Hs68 human fibroblast cell lines. It also significantly reduced the transcript and protein expression levels of tyrosinase, tyrosinase-related protein 1 (TYRP-1), TYRP-2, and microphthalmia-associated transcription factor. Furthermore, it induced a significantly increased level of phosphorylated ERK, p38 and Akt signaling pathways, which likely contributed to the negative regulation of melanogenesis. From these results, a model for the mechanism of FUBRS on melanogenesis inhibition was proposed. Moreover, these results strongly suggested that FUBRS possesses antimelanogenesis activity with high potential for cosmeceutical application as a skin depigmenting agent.
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Affiliation(s)
- Orrarat Sangkaew
- Department of Microbiology, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Chulee Yompakdee
- Department of Microbiology, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand,Corresponding author Phone: +66-2-2185096 Fax: +66-2-2527576 E-mail:
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Kreft ME, Tratnjek L, Lasič E, Hevir N, Rižner TL, Kristan K. Different Culture Conditions Affect Drug Transporter Gene Expression, Ultrastructure, and Permeability of Primary Human Nasal Epithelial Cells. Pharm Res 2020; 37:170. [PMID: 32820417 DOI: 10.1007/s11095-020-02905-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Accepted: 08/06/2020] [Indexed: 12/12/2022]
Abstract
PURPOSE This study aimed to characterize a commercially available primary human nasal epithelial cell culture and its gene expression of a wide range of drug transporters under different culture conditions. METHODS Human nasal cells were cultured in three different types of culture media at the air-liquid (A-L) or liquid-liquid (L-L) interfaces for 1 or 3 wks. The effects of the different cell culture conditions were evaluated using light and electron microscopy, transepithelial electrical resistance (TEER) measurements, permeation studies with dextran, and gene expression profiling of 84 drug transporters. RESULTS The type of culture medium affected cell ultrastructure, TEER, and dextran permeation across epithelia. The expression of 20 drug transporter genes depended on the culture interface and/or time in culture; the A-L interface and longer time in culture favored higher expression levels of five ABC and seven SLC transporters. CONCLUSIONS Culture conditions influence the morphology, barrier formation, permeation properties, and drug transporter expression of human nasal epithelial cells, and this must be taken into consideration during the establishment and validation of in vitro models. A thorough characterization of a nasal epithelial model and its permeability properties is necessary to obtain an appropriate standardized model for the design of aerosol therapeutics and drug transport studies.
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Affiliation(s)
- Mateja Erdani Kreft
- Institute of Cell Biology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Larisa Tratnjek
- Institute of Cell Biology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Eva Lasič
- Institute of Cell Biology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Neli Hevir
- Lek Pharmaceuticals d.d, Biopharma Process & Product Development, Mengeš, Slovenia
| | - Tea Lanišnik Rižner
- Institute of Biochemistry, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Katja Kristan
- Institute of Biochemistry, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia. .,Lek Pharmaceuticals, d.d, Sandoz Development Center Slovenia, Ljubljana, Slovenia.
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Marigliani B, Balottin LBL, Augusto EDFP. Adaptation of Mammalian Cells to Chemically Defined Media. ACTA ACUST UNITED AC 2020; 82:e88. [PMID: 31756045 DOI: 10.1002/cptx.88] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
In order to circumvent ethical, technical, and economic drawbacks regarding the use of animal serum in cell culturing, it is possible to adapt mammalian cells to serum-free media. Nowadays, there are several serum-free formulations available, including fully animal derived-free and chemically defined media, and different adaptation techniques. This article focuses on the gradual adaptation of a mammalian suspension cell culture to a chemically defined medium. The first step is to transfer the cells cultured in medium supplemented with fetal bovine serum (FBS) to a chemically defined medium of your choice, containing the same amount of FBS. The next steps consist of progressively reducing the amount of FBS, while monitoring cell growth and viability up to the complete elimination of FBS. This protocol has been successfully used to adapt THP-1 cells to a chemically defined medium with similar maximum specific growth rate as those cultured with FBS. © 2019 by John Wiley & Sons, Inc. Basic Protocol: Gradual adaptation to chemically defined medium Alternate Protocol: Direct adaptation to chemically defined medium Support Protocol 1: Determining maximum specific growth rate of a cell culture Support Protocol 2: Cell freezing and thawing.
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Affiliation(s)
- Bianca Marigliani
- PRONAMETRO, National Institute of Metrology, Quality and Technology (INMETRO), Duque de Caxias, Rio de Janeiro, Brazil.,Laboratory of Tissue Bioengineering, Directory of Metrology Applied to Life Sciences, National Institute of Metrology, Quality and Technology (INMETRO), Duque de Caxias, Rio de Janeiro, Brazil
| | - Luciene Bottentuit López Balottin
- Laboratory of Tissue Bioengineering, Directory of Metrology Applied to Life Sciences, National Institute of Metrology, Quality and Technology (INMETRO), Duque de Caxias, Rio de Janeiro, Brazil
| | - Elisabeth de Fatima Pires Augusto
- Department of Science and Technology, Science and Technology Institute, Federal University of São Paulo (UNIFESP), São José dos Campos, São Paulo, Brazil
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Jossen V, Muoio F, Panella S, Harder Y, Tallone T, Eibl R. An Approach towards a GMP Compliant In-Vitro Expansion of Human Adipose Stem Cells for Autologous Therapies. Bioengineering (Basel) 2020; 7:bioengineering7030077. [PMID: 32698363 PMCID: PMC7552624 DOI: 10.3390/bioengineering7030077] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 07/15/2020] [Accepted: 07/15/2020] [Indexed: 02/08/2023] Open
Abstract
Human Adipose Tissue Stem Cells (hASCs) are a valuable source of cells for clinical applications (e.g., treatment of acute myocardial infarction and inflammatory diseases), especially in the field of regenerative medicine. However, for autologous (patient-specific) and allogeneic (off-the-shelf) hASC-based therapies, in-vitro expansion is necessary prior to the clinical application in order to achieve the required cell numbers. Safe, reproducible and economic in-vitro expansion of hASCs for autologous therapies is more problematic because the cell material changes for each treatment. Moreover, cell material is normally isolated from non-healthy or older patients, which further complicates successful in-vitro expansion. Hence, the goal of this study was to perform cell expansion studies with hASCs isolated from two different patients/donors (i.e., different ages and health statuses) under xeno- and serum-free conditions in static, planar (2D) and dynamically mixed (3D) cultivation systems. Our primary aim was I) to compare donor variability under in-vitro conditions and II) to develop and establish an unstructured, segregated growth model as a proof-of-concept study. Maximum cell densities of between 0.49 and 0.65 × 105 hASCs/cm2 were achieved for both donors in 2D and 3D cultivation systems. Cell growth under static and dynamically mixed conditions was comparable, which demonstrated that hydrodynamic stresses (P/V = 0.63 W/m3, τnt = 4.96 × 10−3 Pa) acting at Ns1u (49 rpm for 10 g/L) did not negatively affect cell growth, even under serum-free conditions. However, donor-dependent differences in the cell size were found, which resulted in significantly different maximum cell densities for each of the two donors. In both cases, stemness was well maintained under static 2D and dynamic 3D conditions, as long as the cells were not hyperconfluent. The optimal point for cell harvesting was identified as between cell densities of 0.41 and 0.56 × 105 hASCs/cm2 (end of exponential growth phase). The growth model delivered reliable predictions for cell growth, substrate consumption and metabolite production in both types of cultivation systems. Therefore, the model can be used as a basis for future investigations in order to develop a robust MC-based hASC production process for autologous therapies.
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Affiliation(s)
- Valentin Jossen
- Institute of Chemistry and Biotechnology, Zurich University of Applied Sciences, 8820 Wädenswil, Switzerland;
- Correspondence: or ; Tel.: +41-58-934-5334
| | - Francesco Muoio
- Foundation for Cardiological Research and Education (FCRE), Cardiocentro Ticino Foundation, 6807 Taverne, Switzerland; (F.M.); (S.P.); (T.T.)
| | - Stefano Panella
- Foundation for Cardiological Research and Education (FCRE), Cardiocentro Ticino Foundation, 6807 Taverne, Switzerland; (F.M.); (S.P.); (T.T.)
| | - Yves Harder
- Department of Plastic, Reconstructive and Aesthetic Surgery, Ente Ospedaliero Cantonale (EOC), 6900 Lugano, Switzerland;
- Faculty of Biomedical Sciences, Università della Svizzera Italiana, 6900 Lugano, Switzerland
| | - Tiziano Tallone
- Foundation for Cardiological Research and Education (FCRE), Cardiocentro Ticino Foundation, 6807 Taverne, Switzerland; (F.M.); (S.P.); (T.T.)
| | - Regine Eibl
- Institute of Chemistry and Biotechnology, Zurich University of Applied Sciences, 8820 Wädenswil, Switzerland;
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The EU-ToxRisk method documentation, data processing and chemical testing pipeline for the regulatory use of new approach methods. Arch Toxicol 2020; 94:2435-2461. [PMID: 32632539 PMCID: PMC7367925 DOI: 10.1007/s00204-020-02802-6] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Accepted: 06/03/2020] [Indexed: 12/17/2022]
Abstract
Hazard assessment, based on new approach methods (NAM), requires the use of batteries of assays, where individual tests may be contributed by different laboratories. A unified strategy for such collaborative testing is presented. It details all procedures required to allow test information to be usable for integrated hazard assessment, strategic project decisions and/or for regulatory purposes. The EU-ToxRisk project developed a strategy to provide regulatorily valid data, and exemplified this using a panel of > 20 assays (with > 50 individual endpoints), each exposed to 19 well-known test compounds (e.g. rotenone, colchicine, mercury, paracetamol, rifampicine, paraquat, taxol). Examples of strategy implementation are provided for all aspects required to ensure data validity: (i) documentation of test methods in a publicly accessible database; (ii) deposition of standard operating procedures (SOP) at the European Union DB-ALM repository; (iii) test readiness scoring accoding to defined criteria; (iv) disclosure of the pipeline for data processing; (v) link of uncertainty measures and metadata to the data; (vi) definition of test chemicals, their handling and their behavior in test media; (vii) specification of the test purpose and overall evaluation plans. Moreover, data generation was exemplified by providing results from 25 reporter assays. A complete evaluation of the entire test battery will be described elsewhere. A major learning from the retrospective analysis of this large testing project was the need for thorough definitions of the above strategy aspects, ideally in form of a study pre-registration, to allow adequate interpretation of the data and to ensure overall scientific/toxicological validity.
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Faruqu FN, Zhou S, Sami N, Gheidari F, Lu H, Al‐Jamal KT. Three-dimensional culture of dental pulp pluripotent-like stem cells (DPPSCs) enhances Nanog expression and provides a serum-free condition for exosome isolation. FASEB Bioadv 2020; 2:419-433. [PMID: 32676582 PMCID: PMC7354694 DOI: 10.1096/fba.2020-00025] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 05/18/2020] [Accepted: 05/26/2020] [Indexed: 12/18/2022] Open
Abstract
Stem cell-derived exosomes have been identified as novel cell-free therapeutics for regenerative medicine. Three-dimensional (3D) culture of stem cells were reported to improve their "stemness" and therapeutic efficacy. This work focused on establishing serum-free 3D culture of dental pulp pluripotent-like stem cells (DPPSCs)-a newly characterized pluripotent-like stem cell for exosome production. DPPSCs were expanded in regular 2D culture in human serum-supplemented (HS)-medium and transferred to a micropatterned culture plate for 3D culture in HS-medium (default) and medium supplemented with KnockOut™ serum replacement (KO-medium). Bright-field microscopy observation throughout the culture period (24 days) revealed that DPPSCs in KO-medium formed spheroids of similar morphology and size to that in HS-medium. qRT-PCR analysis showed similar Oct4A gene expression in DPPSC spheroids in both HS-medium and KO-medium, but Nanog expression significantly increased in the latter. Vesicles isolated from DPPSC spheroids in KO-medium in the first 12 days of culture showed sizes that fall within the exosomal size range by nanoparticle tracking analysis (NTA) and express the canonical exosomal markers. It is concluded that 3D culture of DPPSCs in KO-medium provided an optimal serum-free condition for successful isolation of DPPSC-derived exosomes for subsequent applications in regenerative medicine.
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Affiliation(s)
- Farid N. Faruqu
- Institute of Pharmaceutical ScienceKing’s College LondonLondonUK
| | - Shuai Zhou
- Institute of Pharmaceutical ScienceKing’s College LondonLondonUK
| | - Noor Sami
- Institute of Pharmaceutical ScienceKing’s College LondonLondonUK
| | - Fatemeh Gheidari
- Institute of Pharmaceutical ScienceKing’s College LondonLondonUK
| | - Han Lu
- Genomics CentreKing’s College LondonLondonUK
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Minimum Information and Quality Standards for Conducting, Reporting, and Organizing In Vitro Research. Handb Exp Pharmacol 2020; 257:177-196. [PMID: 31628600 DOI: 10.1007/164_2019_284] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Insufficient description of experimental practices can contribute to difficulties in reproducing research findings. In response to this, "minimum information" guidelines have been developed for different disciplines. These standards help ensure that the complete experiment is described, including both experimental protocols and data processing methods, allowing a critical evaluation of the whole process and the potential recreation of the work. Selected examples of minimum information checklists with relevance for in vitro research are presented here and are collected by and registered at the MIBBI/FAIRsharing Information Resource portal.In addition, to support integrative research and to allow for comparisons and data sharing across studies, ontologies and vocabularies need to be defined and integrated across areas of in vitro research. As examples, this chapter addresses ontologies for cells and bioassays and discusses their importance for in vitro studies.Finally, specific quality requirements for important in vitro research tools (like chemical probes, antibodies, and cell lines) are suggested, and remaining issues are discussed.
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