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Induction of Plasma Vitellogenin Synthesis by the Commercial Fish Diets in Male Goldfish (Carassius auratus) and Dietary Phytoestrogens
http://hdl.handle.net/10069/8336
http://hdl.handle.net/10069/8336b43a882f-b013-44c4-96fe-189a317e677a
名前 / ファイル | ライセンス | アクション |
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JHS48_427.pdf (229.3 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2007-10-05 | |||||
タイトル | ||||||
タイトル | Induction of Plasma Vitellogenin Synthesis by the Commercial Fish Diets in Male Goldfish (Carassius auratus) and Dietary Phytoestrogens | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | endocrine-disrupting chemicals | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | estrogenic activity | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | vitellogenin | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | phytoestrogen | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | goldfish | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Ishibashi, Hiroshi
× Ishibashi, Hiroshi× Kobayashi, Makito× Koshiishi, Tomohiko× Moriwaki, Toshihisa× Tachibana, Katsuyasu× Tsuchimoto, Mutsuyosi× Soyano, Kiyoshi× Iguchi, Taisen× Mori, Chisato× Arizono, Koji |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In this study, we analyzed contents of phytoestrogens (genistein, daidzein, equol, and coumestrol) in two commercial fish diets [a diet for trout (TD) and a diet for ornamental carp (CD)] using Liquid Chromatography-Mass Spectroscopy/Mass Spectroscopy (LC-MS/MS), and these contents were compared with that of a casein-based formulated fish diet (FD) which does not contain soya bean or fish meal. We also analyzed phytoestrogen contents in commercial infant casein- and soya bean-based diets. The contents of phytoestorogens were generally high in CD, TD, and soya milk, and low or non-detectable in FD and casein-based milks. Among these samples, CD showed the highest phytoestrogen contents: genistein, 390800 ng/g; daidzein, 416800 ng/g; coumestrol, 1325 ng/g; equol, 6.4 ng/g. We also determined the estrogenic activity of the fish diets using male goldfish by measuring plasma vitellogenin (VTG) levels as a biomarker of estrogen exposure. When male goldfish were fed one of these diets for 31 days, plasma VTG was detected in CD-fed fish (78.01 ± 48.18 μg/ml) and TD-fed fish (3.51 ± 3.83 μg/ml), whereas plasma VTG was not detected in FD-fed fish (less than 0.040 μg/ml). These results indicate that the commercial fish diets examined contain a large amount of phytoestrogens and showed estrogenic activity that were strong enough to induce VTG production in male goldfish. It is necessary to eliminate estrogenic substances other than test chemicals in the screening test system for estrogenic endocrine-disrupting chemicals (EDCs). Since the formulated diet developed in the present study contain less phytoestrogens than the commercial fish diets and has low estrogenic activity, it is suggested that VTG production using male goldfish in combination with the low estrogen fish diet is a good in vivo system for evaluation of estrogenic effects of EDCs. | |||||
書誌情報 |
Journal of Health Science 巻 48, 号 5, p. 427-434, 発行日 2002-10 |
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出版者別言語 | ||||||
Pharmaceutical Society of Japan. | ||||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 13449702 | |||||
EISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1347-5207 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11316464 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1248/jhs.48.427 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
関係URI | ||||||
関連名称 | http://dx.doi.org/10.1248/jhs.48.427 | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Journal of Health Science v.48(5) p.427-434, 2002 |