Search Results - "OKATANI, YUJI"

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  1. 1

    Melatonin increases activities of glutathione peroxidase and superoxide dismutase in fetal rat brain by Okatani, Yuji, Wakatsuki, Akihiko, Kaneda, Chitose

    Published in Journal of pineal research (01-03-2000)
    “…Melatonin is a powerful scavenger of oxygen free radicals. In humans, melatonin is rapidly transferred from the maternal to the fetal circulation. To…”
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    Effect of medroxyprogesterone acetate on endothelium-dependent vasodilation in postmenopausal women receiving estrogen by WAKATSUKI, Akihiko, OKATANI, Yuji, IKENOUE, Nobuo, FUKAYA, Takao

    Published in Circulation (New York, N.Y.) (09-10-2001)
    “…Estrogen increases endothelium-dependent vasodilation in postmenopausal women. However, use of progestins in combination with estrogen may counter beneficial…”
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  3. 3

    Edaravone protects against ischemia/reperfusion-induced oxidative damage to mitochondria in rat liver by Okatani, Yuji, Wakatsuki, Akihiko, Enzan, Hideaki, Miyahara, Yasuyo

    Published in European journal of pharmacology (28-03-2003)
    “…This study investigated the effects of edaravone (3-methyl-1-phenyl-2-pyrazolin-5-one, MCI-186), a potent free radical scavenger, on the prevention of…”
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  4. 4

    Maternal-fetal transfer of melatonin in pregnant women near term by Okatani, Yuji, Okamoto, Keiichi, Hayashi, Kazutoshi, Wakatsuki, Akihiko, Tamura, Seiichiro, Sagara, Yusuke

    Published in Journal of pineal research (01-11-1998)
    “…: Our objective was to evaluate the maternal‐fetal transfer of melatonin in pregnant women. Serum melatonin concentration was measured by high‐performance…”
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  5. 5

    Effect of medroxyprogesterone acetate on vascular inflammatory markers in postmenopausal women receiving estrogen by WAKATSUKI, Akihiko, OKATANI, Yuji, IKENOUE, Nobuo, FUKAYA, Takao

    Published in Circulation (New York, N.Y.) (26-03-2002)
    “…Estrogen increases C-reactive protein (CRP) in postmenopausal women. Estrogen also decreases cell adhesion molecules, whereas elevated CRP stimulates the…”
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  6. 6

    Different effects of oral conjugated equine estrogen and transdermal estrogen replacement therapy on size and oxidative susceptibility of low-density lipoprotein particles in postmenopausal women by WAKATSUKI, Akihiko, OKATANI, Yuji, IKENOUE, Nobuo, FUKAYA, Takao

    Published in Circulation (New York, N.Y.) (01-10-2002)
    “…Postmenopausal estrogen replacement therapy (ERT) has an antioxidant effect that opposes the oxidation of LDL particles. Oral ERT-induced increases in plasma…”
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  7. 7

    Melatonin protects hepatic mitochondrial respiratory chain activity in senescence-accelerated mice by Okatani, Yuji, Wakatsuki, Akihiko, Reiter, Russel J.

    Published in Journal of pineal research (01-04-2002)
    “…Mitochondrial oxidative damage from free radicals may be a factor underlying aging, and melatonin, a powerful free radical scavenger, may participate in…”
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  8. 8

    Melatonin stimulates glutathione peroxidase activity in human chorion by Okatani, Yuji, Wakatsuki, Akihiko, Shinohara, Koichi, Kaneda, Chitose, Fukaya, Takao

    Published in Journal of pineal research (01-05-2001)
    “…In preeclampsia, placental production of lipid peroxides is abnormally increased, while placental glutathione peroxidase (GSH‐Px) and superoxide dismutase…”
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  9. 9

    Effect of lower dose of oral conjugated equine estrogen on size and oxidative susceptibility of low-density lipoprotein particles in postmenopausal women by Wakatsuki, Akihiko, Okatani, Yuji, Ikenoue, Nobuo, Shinohara, Koichi, Watanabe, Kazushi, Fukaya, Takao

    Published in Circulation (New York, N.Y.) (19-08-2003)
    “…Estrogen replacement therapy (ERT) has an antioxidant effect that opposes the oxidation of LDL. Oral ERT-induced increases in plasma triglyceride, however, are…”
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    Journal Article
  10. 10

    Melatonin protects against age-related DNA damage in the brains of female senescence-accelerated mice by Morioka, Nobuyuki, Okatani, Yuji, Wakatsuki, Akihiko

    Published in Journal of pineal research (01-11-1999)
    “…: We investigated whether melatonin reduces the age‐related susceptibility of brain to oxidative DNA damage. Brain tissues and blood samples were obtained in…”
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  11. 11

    Melatonin protects against oxidized low-density lipoprotein-induced inhibition of nitric oxide production in human umbilical artery by Wakatsuki, Akihiko, Okatani, Yuji, Ikenoue, Nobuo, Shinohara, Koichi, Watanabe, Kazushi, Fukaya, Takao

    Published in Journal of pineal research (01-10-2001)
    “…We evaluated the antioxidative effect of melatonin on the oxidized low‐density lipoprotein (LDL)‐induced impairment of nitric oxide (NO) production in human…”
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    Isoflurane increases, but sevoflurane decreases blood concentrations of melatonin in women by Arai, Young-Chang P, Ueda, Wasa, Okatani, Yuji, Fukaya, Takao, Manabe, Masanobu

    Published in Journal of anesthesia (20-08-2004)
    “…The blood concentrations of melatonin are elevated by stress-induced sympathetic nerve excitation and are affected by some anesthetics. Isoflurane has an…”
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  14. 14

    Effect of estrogen on melatonin synthesis in female peripubertal rats as related to adenylate cyclase activity by Okatani, Yuji, Hayashi, Kazutoshi, Sagara, Yusuke

    Published in Journal of pineal research (01-12-1998)
    “…Okatani Y, Hayashi K, Sagara Y. Effect of estrogen on melatonin synthesis in female peripubertal rats as related: Relation to adenylate cyclase activity. J…”
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  15. 15

    Melatonin inhibits vasopastic action of hydrogen peroxide in human umbilical artery by Okatani, Yuji, Watanabe, Kazushi, Hayashi, Kazutoshi, Wakatsuki, Akihiko, Sagara, Yusuke

    Published in Journal of pineal research (01-04-1997)
    “…We evaluated the antioxidant property of melatonin as it relates to the vasospastic effect of hydrogen peroxide (H2O2) on the human umbilical artery. Helical…”
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    Protective effect of melatonin against mitochondrial injury induced by ischemia and reperfusion of rat liver by Okatani, Yuji, Wakatsuki, Akihiko, Reiter, Russel J., Enzan, Hideaki, Miyahara, Yasuyo

    Published in European journal of pharmacology (23-05-2003)
    “…Melatonin, a pineal secretory product, is a potent scavenger of a variety of free radicals. The aim of this study was to investigate the effect of melatonin on…”
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    Journal Article
  18. 18

    Melatonin reduces oxidative damage of neural lipids and proteins in senescence-accelerated mouse by Okatani, Yuji, Wakatsuki, Akihiko, Reiter, Russel J., Miyahara, Yasuyo

    Published in Neurobiology of aging (01-07-2002)
    “…We investigated whether long-term melatonin administration in the drinking water influences oxidative modification of lipids and proteins and antioxidative…”
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    Acutely administered melatonin restores hepatic mitochondrial physiology in old mice by Okatani, Yuji, Wakatsuki, Akihiko, Reiter, Russel J., Miyahara, Yasuyo

    “…Damage to mitochondria as a result of the intrinsic generation of free radicals is theoretically involved in the processes of cellular aging. Herein, we…”
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