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Collins A, Møller P, Gajski G, Vodenková S, Abdulwahed A, Anderson D, Bankoglu EE, Bonassi S, Boutet-Robinet E, Brunborg G, Chao C, Cooke MS, Costa C, Costa S, Dhawan A, de Lapuente J, Bo' CD, Dubus J, Dusinska M, Duthie SJ, Yamani NE, Engelward B, Gaivão I, Giovannelli L, Godschalk R, Guilherme S, Gutzkow KB, Habas K, Hernández A, Herrero O, Isidori M, Jha AN, Knasmüller S, Kooter IM, Koppen G, Kruszewski M, Ladeira C, Laffon B, Larramendy M, Hégarat LL, Lewies A, Lewinska A, Liwszyc GE, de Cerain AL, Manjanatha M, Marcos R, Milić M, de Andrade VM, Moretti M, Muruzabal D, Novak M, Oliveira R, Olsen AK, Owiti N, Pacheco M, Pandey AK, Pfuhler S, Pourrut B, Reisinger K, Rojas E, Rundén-Pran E, Sanz-Serrano J, Shaposhnikov S, Sipinen V, Smeets K, Stopper H, Teixeira JP, Valdiglesias V, Valverde M, van Acker F, van Schooten FJ, Vasquez M, Wentzel JF, Wnuk M, Wouters A, Žegura B, Zikmund T, Langie SAS, Azqueta A. Measuring DNA modifications with the comet assay: a compendium of protocols. Nat Protoc 2023; 18:929-989. [PMID: 36707722 PMCID: PMC10281087 DOI: 10.1038/s41596-022-00754-y] [Citation(s) in RCA: 106] [Impact Index Per Article: 106.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 07/05/2022] [Indexed: 01/28/2023]
Abstract
The comet assay is a versatile method to detect nuclear DNA damage in individual eukaryotic cells, from yeast to human. The types of damage detected encompass DNA strand breaks and alkali-labile sites (e.g., apurinic/apyrimidinic sites), alkylated and oxidized nucleobases, DNA-DNA crosslinks, UV-induced cyclobutane pyrimidine dimers and some chemically induced DNA adducts. Depending on the specimen type, there are important modifications to the comet assay protocol to avoid the formation of additional DNA damage during the processing of samples and to ensure sufficient sensitivity to detect differences in damage levels between sample groups. Various applications of the comet assay have been validated by research groups in academia, industry and regulatory agencies, and its strengths are highlighted by the adoption of the comet assay as an in vivo test for genotoxicity in animal organs by the Organisation for Economic Co-operation and Development. The present document includes a series of consensus protocols that describe the application of the comet assay to a wide variety of cell types, species and types of DNA damage, thereby demonstrating its versatility.
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Affiliation(s)
- Andrew Collins
- Department of Nutrition, University of Oslo, Oslo, Norway
| | - Peter Møller
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Copenhagen, Denmark
| | - Goran Gajski
- Mutagenesis Unit, Institute for Medical Research and Occupational Health, Zagreb, Croatia
| | - Soňa Vodenková
- Department of Molecular Biology of Cancer, Institute of Experimental Medicine of the Czech Academy of Sciences, Prague, Czech Republic
- Biomedical Center, Faculty of Medicine in Pilsen, Charles University, Pilsen, Czech Republic
| | - Abdulhadi Abdulwahed
- Oxidative Stress Group, Department of Environmental Health Sciences, Florida International University, Miami, FL, USA
| | - Diana Anderson
- Biomedical Sciences Department, University of Bradford, Bradford, UK
| | - Ezgi Eyluel Bankoglu
- Institute of Pharmacology and Toxicology, University of Würzburg, Würzburg, Germany
| | - Stefano Bonassi
- Department of Human Sciences and Quality of Life Promotion, San Raffaele University, Rome, Italy
- Unit of Clinical and Molecular Epidemiology, IRCCS San Raffaele Roma, Rome, Italy
| | - Elisa Boutet-Robinet
- Toxalim (Research Centre in Food Toxicology), Université de Toulouse, INRAE, ENVT, INP-Purpan, UPS, Toulouse, France
| | - Gunnar Brunborg
- Division of Climate and Environmental Health, Norwegian Institute of Public Health, Oslo, Norway
- Centre for Environmental Radioactivity (CoE CERAD 223268/50), Oslo, Norway
| | - Christy Chao
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Marcus S Cooke
- Oxidative Stress Group, Department of Cell Biology, Microbiology and Molecular Biology, University of South Florida, Tampa, FL, USA
| | - Carla Costa
- Environmental Health Department, National Institute of Health, Porto, Portugal
- EPIUnit - Instituto de Saúde Pública, Universidade do Porto, Porto, Portugal
- Laboratory for Integrative and Translational Research in Population Health (ITR), Porto, Portugal
| | - Solange Costa
- Environmental Health Department, National Institute of Health, Porto, Portugal
- EPIUnit - Instituto de Saúde Pública, Universidade do Porto, Porto, Portugal
- Laboratory for Integrative and Translational Research in Population Health (ITR), Porto, Portugal
| | - Alok Dhawan
- Centre of BioMedical Research, SGPGIMS Campus, Lucknow, India
| | - Joaquin de Lapuente
- Toxicology Department, AC MARCA Group, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Cristian Del Bo'
- Department of Food, Environmental and Nutritional Sciences, Università degli Studi di Milano, Milan, Italy
| | - Julien Dubus
- Aix-Marseille University, CEA, CNRS, Institute of Biosciences and Biotechnologies of Aix-Marseille, Saint-Paul-Lez-Durance, France
| | - Maria Dusinska
- Health Effects Laboratory, Department of Environmental Chemistry, NILU-Norwegian Institute for Air Research, Kjeller, Norway
| | - Susan J Duthie
- School of Pharmacy and Life Sciences, The Robert Gordon University, Aberdeen, Scotland
| | - Naouale El Yamani
- Health Effects Laboratory, Department of Environmental Chemistry, NILU-Norwegian Institute for Air Research, Kjeller, Norway
| | - Bevin Engelward
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Isabel Gaivão
- Genetics and Biotechnology Department and Veterinary and Animal Research Centre (CECAV), Universidade de Trás-os-Montes e Alto Douro, Vila Real, Portugal
| | - Lisa Giovannelli
- Department NEUROFARBA, Section Pharmacology and Toxicology, University of Florence, Florence, Italy
| | - Roger Godschalk
- Department of Pharmacology & Toxicology, School for Nutrition and Translational Research in Metabolism (NUTRIM), Maastricht University, Maastricht, The Netherlands
| | - Sofia Guilherme
- Centre for Environmental and Marine Studies (CESAM) and Department of Biology, University of Aveiro, Campus Universitário de Santiago, Aveiro, Portugal
| | - Kristine B Gutzkow
- Division of Climate and Environmental Health, Norwegian Institute of Public Health, Oslo, Norway
- Centre for Environmental Radioactivity (CoE CERAD 223268/50), Oslo, Norway
| | - Khaled Habas
- School of Chemistry and Bioscience, Faculty of Life Sciences, Bradford University, Bradford, UK
| | - Alba Hernández
- Department of Genetics and Microbiology, Universitat Autònoma de Barcelona, Cerdanyola de Vallès, Spain
| | - Oscar Herrero
- Biology and Environmental Toxicology Group, Faculty of Science, Universidad Nacional de Educación a Distancia (UNED), Madrid, Spain
| | - Marina Isidori
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania "Luigi Vanvitelli", Caserta, Italy
| | - Awadhesh N Jha
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, UK
| | - Siegfried Knasmüller
- Institute of Cancer Research, Internal Medicine I, Medical University Vienna, Vienna, Austria
| | - Ingeborg M Kooter
- Department Circular Economy and Environment, the Netherlands Organisation for Applied Scientific Research-TNO, Utrecht, The Netherlands
| | | | - Marcin Kruszewski
- Centre for Radiobiology and Biological Dosimetry, Institute of Nuclear Chemistry and Technology, Warsaw, Poland
- Department of Molecular Biology and Translational Research, Institute of Rural Health, Lublin, Poland
| | - Carina Ladeira
- H&TRC-Health & Technology Research Center, ESTeSL-Escola Superior de Tecnologia da Saúde, Instituto Politécnico de Lisboa, Lisbon, Portugal
- NOVA National School of Public Health, Public Health Research Centre, Universidade NOVA de Lisboa, Lisbon, Portugal
| | - Blanca Laffon
- Universidade da Coruña, Grupo DICOMOSA, CICA - Centro Interdisciplinar de Química e Bioloxía, Departamento de Psicología, Facultad de Ciencias de la Educación, A Coruña, Spain
- Instituto de Investigación Biomédica de A Coruña (INIBIC), A Coruña, Spain
| | - Marcelo Larramendy
- Laboratory of Ecotoxicology, Faculty of Natural Sciences and Museum, National University of La Plata, La Plata, Argentina
| | - Ludovic Le Hégarat
- Anses, French Agency for Food, Environmental and Occupational Health and Safety, Fougeres Laboratory, Toxicology of Contaminants Unit, Fougères, France
| | - Angélique Lewies
- Department of Cardiothoracic Surgery, University of the Free State, Bloemfontein, South Africa
| | - Anna Lewinska
- Department of Biotechnology, University of Rzeszow, Rzeszow, Poland
| | - Guillermo E Liwszyc
- Laboratory of Ecotoxicology, Faculty of Natural Sciences and Museum, National University of La Plata, La Plata, Argentina
| | - Adela López de Cerain
- Department of Pharmacology and Toxicology, University of Navarra, Pamplona, Spain
- IdiSNA, Navarra Institute for Health Research, Pamplona, Spain
| | - Mugimane Manjanatha
- Food and Drug Administration, National Center for Toxicological Research, Division of Genetic and Molecular Toxicology, Jefferson, AR, USA
| | - Ricard Marcos
- Department of Genetics and Microbiology, Universitat Autònoma de Barcelona, Cerdanyola de Vallès, Spain
| | - Mirta Milić
- Mutagenesis Unit, Institute for Medical Research and Occupational Health, Zagreb, Croatia
| | - Vanessa Moraes de Andrade
- Translational Biomedicine Laboratory, Graduate Program of Health Sciences, University of Southern Santa Catarina, Criciuma, Brazil
| | - Massimo Moretti
- Department of Pharmaceutical Sciences, Unit of Public Health, University of Perugia, Perugia, Italy
| | - Damian Muruzabal
- Department of Pharmacology and Toxicology, University of Navarra, Pamplona, Spain
| | - Matjaž Novak
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia
| | - Rui Oliveira
- Department of Biology, CBMA-Centre of Molecular and Environmental Biology, University of Minho, Braga, Portugal
| | - Ann-Karin Olsen
- Division of Climate and Environmental Health, Norwegian Institute of Public Health, Oslo, Norway
- Centre for Environmental Radioactivity (CoE CERAD 223268/50), Oslo, Norway
| | - Norah Owiti
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Mário Pacheco
- Centre for Environmental and Marine Studies (CESAM) and Department of Biology, University of Aveiro, Campus Universitário de Santiago, Aveiro, Portugal
| | - Alok K Pandey
- Nanomaterial Toxicology Group, CSIR-Indian Institute of Toxicology Research, Lucknow, India
| | - Stefan Pfuhler
- Global Product Stewardship - Human Safety, The Procter & Gamble Co, Cincinnati, OH, USA
| | - Bertrand Pourrut
- Laboratoire Ecologie fonctionnelle et Environnement, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France
| | | | - Emilio Rojas
- Department of Genomic Medicine and Environmental Toxicology, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, CU, Mexico City, Mexico
| | - Elise Rundén-Pran
- Health Effects Laboratory, Department of Environmental Chemistry, NILU-Norwegian Institute for Air Research, Kjeller, Norway
| | - Julen Sanz-Serrano
- Department of Pharmacology and Toxicology, University of Navarra, Pamplona, Spain
| | | | - Ville Sipinen
- Norwegian Scientific Committee for Food and Environment, Oslo, Norway
| | - Karen Smeets
- Centre for Environmental Sciences, Hasselt University, Diepenbeek, Belgium
| | - Helga Stopper
- Institute of Pharmacology and Toxicology, University of Würzburg, Würzburg, Germany
| | - João Paulo Teixeira
- Environmental Health Department, National Institute of Health, Porto, Portugal
- EPIUnit - Instituto de Saúde Pública, Universidade do Porto, Porto, Portugal
- Laboratory for Integrative and Translational Research in Population Health (ITR), Porto, Portugal
| | - Vanessa Valdiglesias
- Instituto de Investigación Biomédica de A Coruña (INIBIC), A Coruña, Spain
- Universidade da Coruña, Grupo NanoToxGen, CICA - Centro Interdisciplinar de Química e Bioloxía, Departamento de Biología, Facultad de Ciencias, A Coruña, Spain
| | - Mahara Valverde
- Department of Genomic Medicine and Environmental Toxicology, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, CU, Mexico City, Mexico
| | | | - Frederik-Jan van Schooten
- Department of Pharmacology & Toxicology, School for Nutrition and Translational Research in Metabolism (NUTRIM), Maastricht University, Maastricht, The Netherlands
| | | | | | - Maciej Wnuk
- Department of Biology, University of Rzeszow, Rzeszow, Poland
| | - Annelies Wouters
- Centre for Environmental Sciences, Hasselt University, Diepenbeek, Belgium
| | - Bojana Žegura
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia
| | - Tomas Zikmund
- Biocev, 1st Medical Faculty, Charles University, Vestec, Czech Republic
- Institute of Epigenetics and Stem Cells, Helmholtz Zentrum München, Munich, Germany
| | - Sabine A S Langie
- Department of Pharmacology & Toxicology, School for Nutrition and Translational Research in Metabolism (NUTRIM), Maastricht University, Maastricht, The Netherlands
| | - Amaya Azqueta
- Department of Pharmacology and Toxicology, University of Navarra, Pamplona, Spain.
- IdiSNA, Navarra Institute for Health Research, Pamplona, Spain.
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Silva Fernandes A, Hollanda Véras J, Silva LS, Puga SC, Luiz Cardoso Bailão EF, de Oliveira MG, Cardoso CG, Carneiro CC, Costa Santos SD, Chen-Chen L. Pedunculagin isolated from Plinia cauliflora seeds exhibits genotoxic, antigenotoxic and cytotoxic effects in bacteria and human lymphocytes. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2022; 85:353-363. [PMID: 34875975 DOI: 10.1080/15287394.2021.2009947] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Pedunculagin (PD), an ellagitannin found in different plant species, possesses several pharmaceutical properties, including antitumor, antioxidant, gastroprotective, hepatoprotective, and anti-inflammatory properties. However, the effects of PD alone on DNA remain to be determined. The aim of this study was to investigate the potential cytotoxic, genotoxic, and antigenotoxic activities of PD isolated from Plinia cauliflora seeds using in silico and in vitro assays. To elucidate the biological activities of PD, in silico tools indicative of antioxidant, antineoplastic, and chemopreventive activities of PD were used. Subsequently, the mutagenic/antimutagenic effects of PD were later assessed using bacteria with the Ames test, and the cytotoxic, genotoxic, and antigenotoxic effects utilizing human lymphocytes as evidenced by trypan blue exclusion test and CometChip assay. In silico analysis indicated potential antioxidant, chemopreventive, free radical scavenger, and cytostatic activities of PD. In the Ames test, PD was found to be not mutagenic; however, this plant component protected DNA against damage-mediated by mutagens 4-nitroquinoline-1-oxide and sodium azide. Regarding human lymphocytes, PD alone was cytotoxic and genotoxic; however, it also reduced DNA damage induced by doxorubicin at co- and post-treatment. In conclusion, PD showed genotoxic, antigenotoxic and cytotoxic effects in human lymphocytes and antimutagenic effects in bacteria.
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Affiliation(s)
- Amanda Silva Fernandes
- Laboratory of Radiobiology and Mutagenesis, Institute of Biological Sciences, Federal University of Goiás, Goiânia, Brazil
| | - Jefferson Hollanda Véras
- Laboratory of Radiobiology and Mutagenesis, Institute of Biological Sciences, Federal University of Goiás, Goiânia, Brazil
| | - Luana Santos Silva
- Laboratory of Radiobiology and Mutagenesis, Institute of Biological Sciences, Federal University of Goiás, Goiânia, Brazil
| | - Sara Cristina Puga
- Laboratory of Radiobiology and Mutagenesis, Institute of Biological Sciences, Federal University of Goiás, Goiânia, Brazil
| | | | | | - Clever Gomes Cardoso
- Laboratory of Radiobiology and Mutagenesis, Institute of Biological Sciences, Federal University of Goiás, Goiânia, Brazil
| | - Cristiene Costa Carneiro
- Laboratory of Radiobiology and Mutagenesis, Institute of Biological Sciences, Federal University of Goiás, Goiânia, Brazil
| | | | - Lee Chen-Chen
- Laboratory of Radiobiology and Mutagenesis, Institute of Biological Sciences, Federal University of Goiás, Goiânia, Brazil
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