A Rapid Increase in cAMP in Response to 20-Hydroxyecdysone in the Anterior Silk Glands of the Silkworm, Bombyx mori(Endocrinology)
スポンサーリンク
概要
- 論文の詳細を見る
In the anterior silk glands (ASGs) of the silkworm, Bombyx mori, intracellular cAMP increases transiently to a very high level shortly after the hemolymph ecdysteroid peak in the prepupal period. In cultured ASGs obtained on the day of gut-purge, cAMP levels were increased by 20-hydroxyecdysone (20E), and this increase was enhanced by an inhibitor of phosphodiesterase, but was not affected by α-amanitin, indicating the 20E action may not be mediated via gene expression. The increase in CAMP occurred within 30 seconds of exposure to a physiological concentration of 20E (1μM), and also by ponasterone A. Our findings indicate a nongenomic action of ecdysteroids in insects, which may be an additional mechanism by which this steroid hormone induces acute responses in tissues and cells.
- 社団法人日本動物学会の論文
- 2006-08-25
著者
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Imamura Masanori
Dep. Of Biology Fac. Of Sci. Kanazawa Univ. Kanazawa 920-1192 Jpn
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Iwami Masafumi
Division Of Life Science Graduate School Of Natural Science And Technology Kanazawa University
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Iwami M
Kanazawa Univ. Kanazawa
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Iwami Masafumi
Division Of Life Science Graduate School Of Natural Science And Technology And Department Of Biology
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Sakurai Sho
Division Of Life Sciences Graduate School Of Natural Science And Technology Kanazawa University
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Sakurai Sho
Division Of Life Science Graduate School Of Natural Science And Technology Kanazawa University:depar
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Sakurai S
Div. Of Life Sciences Graduate School Of Natural Sci. And Technol. Kanazawa Univ.
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Sakurai S
Kanazawa Univ. Kanazawa
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Salam Salah
Division Of Life Science Graduate School Of Natural Science And Technology And Department Of Biology
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Terashima Jun
Division Of Life Sciences Graduate School Of Natural Science And Technology Kanazawa University:(pre
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Elmogy Mohamed
Division of Life Sciences, Graduate School of Natural Science and Technology, Kanazawa University
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Iga Masatoshi
Division of Life Sciences, Graduate School of Natural Science and Technology, Kanazawa University
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Iga Masatoshi
Division Of Life Sciences Graduate School Of Natural Science And Technology Kanazawa University
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Iwami Masafumi
Div. Of Life Sciences Graduate School Of Natural Sci. And Technol. Kanazawa Univ.
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Sakurai Sho
Div. Of Life Sciences Graduate School Of Natural Sci. And Technol. Kanazawa Univ.
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