ホルボルエステルで刺激したブタ卵巣顆粒膜細胞における一酸化窒素の産生
スポンサーリンク
概要
- 論文の詳細を見る
This study was designed to assess the release of nitric oxide (NO) from porcine granulosa cells. The cells obtained from medium-sized ovarian follicles (3-6 mm diameter) were cultured for 48 h with ovine FSH to be developed. A significant accumulation of nitrite was observed during development, showing an increase in NO synthesis. The mRNA of the endothelial NO synthase was detected in the granulosa cells, as revealed by RT-PCR. Furthermore, nitrite was accumulated in the culture medium after 1-h stimulation with 12-O-tetradecanoylphorbol 13-acetate (TPA), but not with 4α-phorbol, 4β-phorbol 13-monoacetate (4β-PMA) and forskolin. TPA led to an increase in the nitrite content in a dose-dependent manner. NO was measured directly in the cell suspension with an amperometric NO sensor. The NO sensor signal gradually increased to reach a plateau (5-15 pA) after exposure to TPA in the presence of L-arginine, but not D-arginine. The concentration of NO was approximately 5.5-11 nM, but no detectable change was observed after the addition of 4α-phorbol or 4β-PMA. These results suggest that the synthesis of NO is promoted at least in part through the activation of protein kinase C in granulosa cells.
- 日本繁殖生物学会の論文
著者
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Hattori Masa-aki
Laboratory Of Reproductive Physiology And Biotechnology Department Of Animal And Marine Bioresource
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NISHIDA Norichika
Laboratory of Reproductive Physiology, Division of Bioresource and Bioenvironmental Sciences, Gradua
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TAKESUE Katsuhisa
Laboratory of Reproductive Physiology, Division of Bioresource and Bioenvironmental Sciences, Gradua
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Kato Yukio
Biosignal Research Center Institute For Molecular And Cellular Regulation Gunma University
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武末 克久
九州大学大学院・生物資源環境科学府
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Fujihara Noboru
Laboratory Of Animal Reproductive Physiology Division Of Animal Resource Science School Of Agricultu
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西田 徳親
Laboratory of Reproductive Physiology, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University
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武末 克久
Laboratory of Reproductive Physiology, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University
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服部 眞彰
Laboratory of Reproductive Physiology, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University
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TAKESUE Katsuhisa
Laboratory of Reproductive Physiology, Division of Animal and Marine Bioresource Sciences, Graduate School of Agriculture, Kyushu University
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FUJIHARA Noboru
Laboratory of Reproductive Physiology, Division of Animal and Marine Bioresource Sciences, Graduate School of Agriculture, Kyushu University
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HATTORI Masa-aki
Laboratory of Reproductive Physiology, Division of Animal and Marine Bioresource Sciences, Graduate School of Agriculture, Kyushu University
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NISHIDA Norichika
Laboratory of Reproductive Physiology, Division of Animal and Marine Bioresource Sciences, Graduate School of Agriculture, Kyushu University
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