Injection of Sperm Cytosolic Factor Into Mouse Metaphase II Oocytes Induces Different Developmental Fates According to the Frequency of [Ca2+]i Oscillations and Oocyte Age1

Abstract excerpt

Intracellular calcium ([Ca(2+)](i)) rises are a hallmark of mammalian fertilization and are associated with normal activation of embryonic development. Injection of mammalian sperm cytosolic factor (SCF) into oocytes has been shown to trigger [Ca(2+)](i) rises similar to those observed during fertilization, and to initiate normal embryonic development. However, Ca(2+) release has also been shown to be associated...

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