Time-Lapse Epifluorescence Imaging of Expressed cRNA to Cyclin B1 for Studying Meiosis I in Mouse Oocytes
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The first meiotic division of mammalian oocytes physiologically occurs in the ovary in the hours preceding ovulation. Fortunately,
oocytes removed from their follicular environment will readily undergo this process in culture. Their large size, optical
transparency, and efficiency in translating exogenous cRNA make mouse oocytes very amenable to study this process in detail
using fluorescence imaging-based techniques. Here we describe the process of microinjecting cRNA to proteins of interest that
have been coupled to a fluorescent protein using cyclin B1 as an example.
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