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Micronucleus Analysis by Flow Cytometry

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Book cover Genotoxicity Assessment

Part of the book series: Methods in Molecular Biology ((MIMB,volume 2031))

Abstract

During the last two decades the micronucleus (MN) test has been extensively used as a genotoxicity screening tool of chemicals and in a variety of exploratory and mechanistic investigations. The MN is a biomarker for chromosomal damage or mitotic abnormalities since it can originate from chromosome fragments or whole chromosomes that fail to be incorporated into daughter nuclei during mitosis (Fenech et al., Mutagenesis 26: 125–132, 2011; Kirsch-Volders et al., Arch Toxicol 85: 873–899, 2011). The simplicity of scoring, accuracy, amenability to automation by image analysis or flow cytometry and the readiness to be applied to a variety of cell types either in vitro or in vivo made it a versatile tool that contributed to a large extent in our understanding of key toxicological issues related to genotoxins and their effects at the cellular and organism levels. Recently, the final acceptance of the in vitro MN test Organization for Economic Cooperation and Development (OECD) guideline 487 (OECD, Guideline for testing of chemicals: in vitro mammalian cell micronucleus test 487: in vitro mammalian cell micronucleus test (MNVIT). Organization for Economic Cooperation and Development, Paris, 2010) together with the standard in vivo MN test OECD guideline 474 (OECD, Guideline for the testing of chemicals no. 474 mammalian erythrocyte micronucleus test. Organization for Economic Cooperation and Development, Paris, 1997) further positioned the assay as a key driver in the determination of the genotoxicity potential in exploratory research as well as in the regulatory environment. This book chapter covers to some extent the protocol designs and experimental steps necessary for a successful performance of the MN test and an accurate analysis of the MN by the flow cytometry technique.

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Authors and Affiliations

  1. Genetic Toxicology and Photosafety, Preclinical Safety, Novartis Institutes for Biomedical Research, Basel, Switzerland

    Azeddine Elhajouji & Pascal Stadelmann

Authors
  1. Azeddine Elhajouji
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  2. Pascal Stadelmann
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Corresponding author

Correspondence to Azeddine Elhajouji .

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Editors and Affiliations

  1. CSIR—Indian Institute of Toxicology Research, Lucknow, Uttar Pradesh, India

    Alok Dhawan

  2. New Delhi, Delhi, India

    Mahima Bajpayee

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Elhajouji, A., Stadelmann, P. (2019). Micronucleus Analysis by Flow Cytometry. In: Dhawan, A., Bajpayee, M. (eds) Genotoxicity Assessment. Methods in Molecular Biology, vol 2031. Humana, New York, NY. https://doi.org/10.1007/978-1-4939-9646-9_9

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  • DOI: https://doi.org/10.1007/978-1-4939-9646-9_9

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  • Publisher Name: Humana, New York, NY

  • Print ISBN: 978-1-4939-9645-2

  • Online ISBN: 978-1-4939-9646-9

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