The origin and evolution of binucleate cells in cultures of HEp-2 cells have been studied by means of interval photography and time-lapse video-recording. Binucleate cells most frequently formed by the fusion of two sister cells born in a previous mitosis. The study of binucleate cells has shown that they are a cellular type able to successfully undergo mitosis. However, the mitosis may be bipolar, tripolar or multipolar. The daughter cells arising from these divisions do not follow a clear pattern in the number of nuclei they have, instead showing a wide range of possibilities.
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Serrano et al. (1994) studied this question.
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