Maintenance of meiotic arrest in bovine oocytes in vitro using butyrolactone I: effects on oocyte ultrastructure and nucleolus function.

Abstract

In this study, we have shown that butyrolactone I (BL-I), a potent inhibitor of cyclin-dependent kinases, affects oocyte cytoplasmic morphology and nuclear function in terms of nucleolar ultrastructure and immunocytochemistry. Bovine oocytes were recovered from three classes of follicle size: 1.5-2, 2-3, and 3-6 mm. The oocytes were incubated for 40 hr with… (More)

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