Abstract
The in vivo mammalian micronucleus assay is the primary test in a battery of genotoxicity tests recommended by the regulatory agencies worldwide. The purpose of the assay is to identify substances that cause clastogenicity (chromosome breakage) and aneugenicity (chromosome lagging due to spindle dysfunction), and bone marrow toxicity by estimating the ratio of polychromatic erythrocytes to normochromatic erythrocytes. This chapter describes the mechanism of micronucleus formation, presents practical guidelines for designing studies, and gives the step-by-step protocols of the in vivo micronucleus test in bone marrow and peripheral blood cells of rodents.
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Acknowledgements
I am grateful to Eduardo de Souza Marques for his help in preparing the micronucleus origin schema shown in Fig. 1.
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Maistro, E.L. (2014). The In Vivo Rodent Micronucleus Test. In: Sierra, L., Gaivão, I. (eds) Genotoxicity and DNA Repair. Methods in Pharmacology and Toxicology. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-1068-7_6
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DOI: https://doi.org/10.1007/978-1-4939-1068-7_6
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