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  • Title: ATP-gamma-S (adenosine 5'-O-(3-thiotriphosphate)) microinjection increases progesterone-stimulated histone kinase activity in Xenopus oocytes.
    Author: Labbé JC, Picard A, Dorée M.
    Journal: Cell Differ; 1988 Apr; 23(3):201-6. PubMed ID: 2837333.
    Abstract:
    Progesterone stimulates the activity of a potent Ca2+- and cyclic nucleotide-independent histone kinase in Xenopus oocytes. Microinjection of ATP-gamma-S during the course of meiotic maturation or after the oocytes had arrested at second meiotic metaphase resulted in a further increase of this histone kinase activity in progesterone-stimulated oocytes. ATP-gamma-S microinjection also increased and stabilized the activity of the maturation-promoting factor. The possible mechanism of ATP-gamma-S action is discussed.
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