Regional Differences in Noradrenaline-Induced Release of Adenosine Triphosphate from Rat Vascular Endothelium
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概要
- 論文の詳細を見る
We examined the release of endogenous adenyl purines such as adenosine triphosphate (ATP), ADP, AMP and adenosine from the caudal artery (CA), saphenous artery (SA), renal artery (RA), mesenteric artery (MA), pulmonary artery (PA) and thoracic aorta (TA) of rats, using high-performance liquid chromatography fluorescence detection. Noradrenaline induced the release of adenyl purines from these blood vessels. The total amount of adenyl purines release induced by noradrenaline from the CA was considerably larger than that from the TA. The rank order of the amount of adenyl purines released from the six blood vessels was CA>SA>RA>MA>PA≧TA. The noradrenaline-induced release of adenyl purines from the CA was significantly reduced by the removal of the endothelium. Noradrenaline also induced the release of adenyl purines from cultured endothelial cells of the CA and TA. The total amount of adenyl purines released from the former blood vessel was much larger than that from the latter. These results suggest the existence of vascular endothelial cells that are able to release ATP by an α_1-adrenoceptor mediated mechanism, and that these cells are not homogeneously distributed in the vasculature.
- 日本平滑筋学会の論文
著者
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KWON Young
Department of Mechano-Informatics & Design Engineering, Hongik University
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KUNITOMO Masaru
Department of Pharmacology, School of Pharmaceutical Sciences, Mukogawa Women's University
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SHINOZUKA Kazumasa
Department of Pharmacology, School of Pharmaceutical Sciences, Mukogawa Women's University
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Kunimoto M
Department Of Pharmacology School Of Pharmacy And Pharmaceutical Sciences Mukogawa Women's Univ
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Kunitomo Masaru
京都大学 医学研究科糖尿病・栄養内科学
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Kubota Y
Department Of Biopharmaceutics Nihon Pharmaceutical University
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HASHIMOTO Michio
Department of Physiology, Shimane Medical University
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MASUMURA Sumio
Department of Pharmacology, Faculty of Pharmaceutical Sciences, Mukogawa Women's University
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BJUR Richard
Department of Pharmacology, University of Nevada School of Medicine
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WESTFALL David
Department of Pharmacology, University of Nevada School of Medicine
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Bjur Richard
Department Of Pharmacology University Of Nevada School Of Medicine
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Westfall David
Department Of Pharmacology University Of Nevada School Of Medicine
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Kunitomo Masaru
Department Of Pharmacology Faculty Of Pharmaceutical Sciences Mukogawa Women's University
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Hashimoto Michio
Department Of Physiology Shimane Medical University
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Hashimoto Michio
Department Of Environmental Physiology Faculty Of Medicine Shimane University
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Shinozuka Kazumasa
Department Of Pharmacology School Of Pharmacy And Pharmaceutical Sciences Mukogawa Women's Univ
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Shinozuka Kazumasa
Dep. Of Pharmacology School Of Pharmacy And Pharmaceutical Sciences Mukogawa Women's Univ. Jpn
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Shinozuka Kazumasa
Department Of Pharmacology Shizuoka College Of Pharmaceutical Sciences
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Shinozuka Kazumasa
Department Of Pharmacology Faculty Of Pharmaceutical Science Mukogawa Women's University
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Shinozuka K
Department Of Pharmacology School Of Pharmacy And Pharmaceutical Sciences Mukogawa Women's Univ
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Kwon Young
Department Of Biopharmaceutics Nihon Pharmaceutical University
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Kunitomo Masaru
Dep. Of Pharmacology School Of Pharmaceutical Sciences Mukogawa Women's Univ. Jpn
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Shinozuka Kazumasa
Department of Applied Chemistry, Faculty of Engineering, Yokohama National University
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