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논문 기본 정보

저자정보
(Korea Institute of Ocean Science & Technology) (Korea Institute of Ocean Science & Technology) (University of the Ryukyus) (University of the Ryukyus) (Korea Institute of Ocean Science & Technology)
저널정보
한국수산과학회 양식분과 한국수산과학회 양식분과 학술대회 한국수산과학회 2017년도 춘계학술대회 [2개 학회 공동개최]
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    초록·키워드

    Mature stage of Japanese eels (Silver eel), Anguilla japonica, begin to sexually mature and their eye size increase while they migrate to ocean. However, concrete physiological process about sexual maturity in Japanese eel is still unknown during spawning migration. Generally, steroid hormones are synthesized and secreted from gonad, and steroid hormone receptors are distributed in various tissues. The present study aimed to investigate expression of sex steroid hormone receptors in neuro tissue (brain) and peripheral tissues (retina, pituitary and gonad) of the Japanese eel during the sexual maturation. Fish were treated for sexually artificial maturation with injection of SPE (Salmon pituitary extract). For our experiment, we divided into four stages (Immature stage, stage1; primary sexual maturation stage, stage2; secondary sexual maturation stage, stage3; final sexual maturation stage, stage4) of sexual maturity through histological observation. Experiment fish (n=41) were sampled at 24:00h. Plasma levels ... 전체 초록 보기

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