Stage-specific response of preimplantation mouse embryos to W-7, a calmodulin antagonist.


Involvement of calmodulin-dependent processes in preimplantation development of mouse embryos was studied with the use of N-(6-aminohexyl)-5-chloro-1-naphthalenesulfonamide (W-7), a specific antagonist of calmodulin. At 25 microM, W-7 interfered with compaction of eight-cell embryos, caused decompaction of compacted eight-cell embryos, inhibited cavitation… (More)


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