Insulin and Insulin-like Growth Factor-I Promote Rabbit Blastocyst Development and Prevent Apoptosis

Insulin as well as insulin-like growth factor-I (IGF-I) promote early embryo development, and IGF-I binds to the coats of preimplantation rabbit embryos. As the IGF-I receptor is expressed from the morula stage onwards, the embryos are capable of responding to insulin and IGF-I, which is present in...

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