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Showing 1–3 of 3 results
Advanced filters: Author: Norio Yoshizaki Clear advanced filters

  • One of two papers that identify a new pathway by which calcium triggers oocyte fertilization. Previous work has shown a critical role for the calcium-regulated kinase CaMKII. But new work from the Ohsumi and Hunt laboratories shows that in parallel, calcium-mediated transient activation of a phosphatase, calcineurin, is needed to release oocytes from a cell cycle arrest after fertilization.

    • Tomoko Nishiyama
    • Norio Yoshizaki
    • Keita Ohsumi
    Research
    Nature
    Volume: 449, P: 341-345

  • A total of 1074 patients with a history of ischemic stroke enrolled in The Recurrent Stroke Prevention Clinical Outcome (RESPECT) Study were assigned to intensive blood pressure (BP) control group (blood pressure < 120/80 mmHg) or standard blood pressure control group (blood pressure < 140/90 mmHg) and were followed up for a mean of 3.9 years. Seventy-eight first recurrent strokes occurred, including 70 ischemic stroke and 8 intracerebral hemorrhage. Intensive treatment did not change annual risk of ischemic stroke (1.74% vs. 1.75%, P = 0.999), but markedly reduced risk of hemorrhagic stroke (0.00% vs. 0.39%, P = 0.005). Beneficial effect of intensive BP control were observed for risk of hemorrhagic stroke in the patients with a history of ischemic stroke.

    • Kazuo Kitagawa
    • Hisatomi Arima
    • Seigo Nakada
    Research
    Hypertension Research
    Volume: 45, P: 591-601