Mizuho Yamashita

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AIM To examine whether the bromocriptine-rebound (BR) method improves pregnancy outcomes after previous unsuccessful assisted reproductive technology (ART) attempts. PATIENTS/STUDY DESIGN: In this study we retrospectively analyzed data from a total of 121 women with normal serum prolactin (PRL) levels and a history of repeated unsuccessful ART procedures.(More)
It is reported that okadaic acid (OA)-sensitive phosphatase is related to mitogen-activated protein kinase (MAPK)/p90rsk activation in mammalian oocytes. OA is also involved in the positive feedback loop between M phase-promoting factor (MPF) and cdc25c in Xenopus oocytes during meiotic maturation. However, the effect of phosphatase inhibition by OA on MPF(More)
Purpose We evaluated the role of tumor necrosis factor alpha (TNFa) in rat ovulation and granulosa cell death of ovarian follicles during the periovulatory stage. Methods Immature rats primed with pregnant mare serum gonadotropin were injected intraperitoneally with human chorionic gonadotropin (hCG), and TNFa was injected into the bursa 48 h later. The(More)
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