Changes in camp phosphodiesterase activi
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Alan Dardik; Richard M. Schultz
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Article
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1992
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John Wiley and Sons
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English
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## Abstract Cyclic nucleotide phosphodiesterase (PDE) activity and cAMP amounts were measured in mouse preimplantation embryos at the 1โcell, 2โcell, 8โcell/ morula, and midโblastocyst stages. PDE activity remained constant between the 1โcell and 2โcell stages. It decreased by the 8โcell stage and