| Changes in serum thyroid hormone levels and thyroid gland activity of artificially maturing female Japanese eel(Anguilla japonica) |
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| 引用本文： | Qu Xiancheng,Massaki Nagae,Sinji Adachi,Kohei Yamauchi. Changes in serum thyroid hormone levels and thyroid gland activity of artificially maturing female Japanese eel(Anguilla japonica)[J]. 海洋学报(英文版), 2003, 22(1): 111-122 |
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| 作者姓名： | Qu Xiancheng Massaki Nagae Sinji Adachi Kohei Yamauchi |
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| 作者单位： | Qu Xiancheng，Massaki Nagae，Sinji Adachi，Kohei Yamauchi Fisheries College，Shanghai Fisheries University，334 Jungong Road，Shanghai 200090，China;E-mail:xcqu@shfu. edu.cn，Tel:021-65710525Faculty of Environmental Studies，Course of Environmental Conservation and Planning，Nagasaki University，1-14 Bunkyo-machi，Nagasaki 852 - 8521，JapanDepartment of Biology，Faculty of Fisheries，Hokkaido University，3-1-1 Minato-cho，Hakodate 041 - 0821，Japan |
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| 摘 要： | In order to evaluate the involvement of the thyroid gland in reproduction, thyroid functioning was described in female cultivated Japanese eel (Anguilla japonica) in progressive stages of sexual maturation induced by chum salmon pituitary homogenate (SPH) treatment. Serum thyroid hormones, thyroxine (T4) and triiodothyronine (T3) were also measured in each stage. Thyroid gland activity (epithelial cell height) was high before SPH injection (previtellogenic stage), further increasing at the early vitellogenic stage, thereafter decreasing to late vitellogenic and migratory nucleus stages. The profiles of both T3 and T4 changed during vitellogenesis, being high during previtellogenic and early vitellogenic stages, and subsequently declining, thus mimicking thyroid gland activity. These results suggest that the thyroid has relation with eel ovarian development during artificial maturation.
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| 关 键 词： | Thyroid activity thyroxine(T4) triiodothyronine(T3) Japanese eel artificial maturation |
| 收稿时间： | 2002-09-15 |
| 修稿时间： | 2002-11-16 |
Changes in serum thyroid hormone levels and thyroid gland activity of artificially maturing female Japanese eel(Anguilla japonica) |
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| Qu Xiancheng,Massaki Nagae,Sinji Adachi and Kohei Yamauchi. Changes in serum thyroid hormone levels and thyroid gland activity of artificially maturing female Japanese eel(Anguilla japonica)[J]. Acta Oceanologica Sinica, 2003, 22(1): 111-122 |
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| Authors: | Qu Xiancheng Massaki Nagae Sinji Adachi Kohei Yamauchi |
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| Affiliation: | 1.Kohei Yamauchi Fisheries College, Shanghai Fisheries University, 334 Jungong Road, Shanghai 200090, China2.Faculty of Environmental Studies, Course of Environmental Conservation and Planning, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan3.Department of Biology, Faculty of Fisheries, Hokkaido University, 3-1-1 Minato-cho, Hakodate 041-0821, Japan |
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| Abstract: | In order to evaluate the involvement of the thyroid gland in reproduction, thyroid functioning was described in female cultivated Japanese eel (Anguilla japonica) in progressive stages of sexual maturation induced by chum salmon pituitary homogenate (SPH) treatment. Serum thyroid hormones, thyroxine (T4) and triiodothyronine (T3) were also measured in each stage. Thyroid gland activity (epithelial cell height) was high before SPH injection (previtellogenic stage), further increasing at the early vitellogenic stage, thereafter decreasing to late vitellogenic and migratory nucleus stages. The profiles of both T3 and T4 changed during vitellogenesis, being high during previtellogenic and early vitellogenic stages, and subsequently declining, thus mimicking thyroid gland activity. These results suggest that the thyroid has relation with eel ovarian development during artificial maturation. |
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| Keywords: | Thyroid activity thyroxine (T4) triiodothyronine (T3) Japanese eel artificial maturation |
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