Plasma 17 alpha, 20 beta-dihydroxy-4-pregnen-3-one levels during sexual maturation of amago salmon (Oncorhynchus rhodurus): correlation with plasma gonadotropin and in vitro production by ovarian follicles.

[1]  Y. Nagahama,et al.  Relationship between seasonal plasma estradiol-17 beta and testosterone levels and in vitro production by ovarian follicles of amago salmon (Oncorhynchus rhodurus). , 1983, Biology of reproduction.

[2]  Y. Nagahama,et al.  Relative in vitro effectiveness of 17 alpha, 20 beta-dihydroxy-4-pregnen-3-one and other pregnene derivatives on germinal vesicle breakdown in oocytes of ayu (Plecoglossus altivelis), amago salmon (Oncorhynchus rhodurus), rainbow trout (Salmo gairdneri), and goldfish (Carassius auratus). , 1983, General and comparative endocrinology.

[3]  Y. Nagahama,et al.  Oocyte maturation in the amago salmon (Oncorhynchus rhodurus): in vitro effects of salmon gonadotropin, steroids, and cyanoketone (an inhibitor of 3 beta-hydroxy-delta 5-steroid dehydrogenase). , 1982, The Journal of experimental zoology.

[4]  Y. Nagahama,et al.  Estradiol-17 beta production in amago salmon (Oncorhynchus rhodurus) ovarian follicles: role of the thecal and granulosa cells. , 1982, General and comparative endocrinology.

[5]  A. Scott,et al.  Measurement of 17α,20β-dihydroxy-4-pregnen-3-one in plasma of trout (Salmo gairdneri Richardson): Seasonal changes and response to salmon pituitary extract , 1982 .

[6]  Y. Nagahama,et al.  In vitro steroid production in the postovulatory follicles of the amago salmon, Oncorhynchus rhodurus, in response to salmon gonadotropin. , 1982, The Journal of experimental zoology.

[7]  N. Stacey,et al.  Role of Prostaglandins in Fish Reproduction , 1982 .

[8]  Y. Nagahama,et al.  Cellular Sources of Sex Steroids in Teleost Gonads , 1982 .

[9]  Keiko Suzuki,et al.  In vitro metabolism of 4-pregnenes in ovaries of a freshwater teleost, the ayu (Plecoglossus altivelis): Production of 17α,20β-dihydroxy-4-pregnen-3-one and its 5β-reduced metabolites, and activation of 3β- and 20β-hydroxysteroid dehydrogenases by treatment with a fish gonadotropin , 1981 .

[10]  Y. Nagahama,et al.  In vitro synthesis of an inducer for germinal vesicle breakdown of fish oocytes, 17 alpha,20 beta-dihydroxy-4-pregnen-3-one by ovarian tissue preparation of amago salmon (Oncorhynchus rhodurus). , 1981, General and comparative endocrinology.

[11]  N. Stacey.  Hormonal Regulation of Female Reproductive Behavior in Fish , 1981 .

[12]  R. Wallace,et al.  Oogenesis in Fundulus heteroclitus. II. The transition from vitellogenesis into maturation. , 1980, General and comparative endocrinology.

[13]  嘉孝 長浜,et al.  種々の生殖腺刺激ホルモンおよびステロイドホルモンによるアマゴOncorhynchus rhodurusとニジマスSalmo gairdneriのin vitro卵成熟誘起効果 , 1980 .

[14]  F. Goetz,et al.  The in vitro effects of 17 alpha-hydroxy-20 beta-dihydroprogesterone on germinal vesicle breakdown in brook trout (Salvelinus fontinalis) oocytes. , 1980, General and comparative endocrinology.

[15]  B. Jalabert,et al.  Identification and quantification of steroids in the serum of rainbow trout during spermiation and oocyte maturation. , 1980, The Journal of endocrinology.

[16]  F. Tashiro,et al.  The in vitro effects of various gonadotropins and steroid hormones on oocyte maturation in amago salmon, Oncorhynchus rhodurus, and rainbow trout, Salmo gairdneri. , 1980 .

[17]  T. Ng,et al.  Studies on two types of gonadotropins from both salmon and carp pituitaries. , 1979, General and comparative endocrinology.

[18]  T. Ng,et al.  Studies on two types of gonadotropins from both American plaice and winter flounder pituitaries. , 1979, General and comparative endocrinology.

[19]  F. Goetz,et al.  In vitro stimulation of germinal vesicle breakdown and ovulation of yellow perch (Perca flavescens) oocytes. Effects of 17α-hydroxy-20β-dihydroprogesterone and prostaglandins , 1979 .

[20]  A. F. Cook,et al.  Ovulatory surge of gonadotropin in the goldfish, Carassius auratus. , 1979, General and comparative endocrinology.

[21]  H. Ogata,et al.  Prostaglandin F2.ALPHA. changes induced by ovulatory stimuli in the pond loach, Misgurnus anguillicaudatus. , 1979 .

[22]  B. Jalabert,et al.  Precocious Induction of Oocyte Maturation and Ovulation in Coho Salmon, Oncorhynchus kisutch , 1978 .

[23]  B. Jalabert,et al.  Precocious induction of oocyte maturation and ovulation in rainbow trout (Salmo gairdneri) : problems when using 17 α-hydroxy-20 β-dihydroprogesterone , 1978 .

[24]  G. D. Montalembert,et al.  Precocious induction of maturation and ovulation in northern pike (Esox lucius) , 1978 .

[25]  B. Jalabert,et al.  Plasma estradiol-17β and gonadotropin during ovulation in rainbow trout (Salmo gairdneri R.) , 1978 .

[26]  R. Peter,et al.  Gonadotropin release after implantation of anti-estrogens in the pituitary and hypothalamus of goldfish Carassius auratus. , 1977, General and comparative endocrinology.

[27]  Y. Nagahama,et al.  Histochemistry and ultrastructure of pre- and post-ovulatory follicles in the ovary of the goldfish, Carassius auratus. , 1976, Canadian journal of zoology.

[28]  D. Idler,et al.  Steroids in the plasma of the winter flounder (Pseudopleuronectes americanus Walbaum). A seasonal study and investigation of steroids involvement in oocyte maturation. , 1976, General and comparative endocrinology.

[29]  B. Jalabert.  In Vitro Oocyte Maturation and Ovulation in Rainbow Trout (Salmo gairdneri), Northern Pike (Esox lucius), and Goldfish (Carassius auratus) , 1976 .

[30]  D. M. Evans,et al.  The plasma gonadotropin profile during sexual maturation in a variety of salmonid fishes. , 1975, General and comparative endocrinology.

[31]  L. Crim,et al.  Radioimmunoassay estimates of plasma gonadotropin levels in the spawning pink salmon. , 1973, General and comparative endocrinology.

[32]  D. Idler,et al.  Steroid hormones in the plasma of salmon at various states of maturation. , 1962, General and comparative endocrinology.