[Demonstration of several enzymes in the sperm of the carp (Cyprinus carpio L.)and the trout (Salmo gairdnerii Richardson) and in the coelomic fluid of the trout].
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Animals↗
Biomedical subjects
B Breton
Publications and source records attributed to B Breton.
[Biological assay of gonadotropic hormones of fishes by the test of maturation in vitro of trout ovocytes].
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Animals↗
[Effect of synthetic LH-FSH releasing hormone and hypothalamic extracts of the carp on in vivo gonadotropic hormone secretion in the carp (Cyprinus carpio L.)].
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Animals↗
Pituitary and plasma gonadotrophin levels and spermatogenesis in the goldfish Carassius auratus after methallibure treatment.
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Allyl Compounds↗
[Specificity of action and immunologic relations of gonadotropic hormones of some teleosts].
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Animals↗
[Maturation and ovulation in vitro of rainbow trout Salmo gairdnerii ovocytes].
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Animals↗
[Reciprocal activity of hypothalamic factors of rams (Ovis aries) and of teleostean fishes on the secretion in vitro of gonadotropic hormones c-HG and LH, respectively, by carp and ram hypophyses].
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Animals↗
[Radioimmunologic assay of plasma gonadotropins in Carassius auratus during the nychthemeron and ovulation].
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Animals↗
[In vitro stimulation of the release of pituitary gonadotropic hormone by a hypothalamic factor in the carp Cyprinus carpio L].
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Animals↗
[Radioimmunoassay of a gonadotropic hormone of the carp (Cyprinus carpio L.)].
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Animals↗
[Immunocytology and histochemistry of hypophyseal gonadotropic and thyreotropic cells in the carp Cyprinus carpio].
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Animals↗
[Regeneration of the spermatogenesis of the hypophysectomized cyprid Carassius auratus. L. by a highly purified carp gonadotropic factor].
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Animals↗
[Alkaline phosphatases of the testis of Lebistis reticulatus: description of a micromethod for quantitative determination].
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Alkaline Phosphatase↗
Binding of steroids by plasma of a teleost: the rainbow trout, Salmo gairdnerii.
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20-alpha-Dihydroprogesterone↗
[Hypophysial stimulation of oestradiol-17 beta secretion in Carp, Cyprinus Carpio L (author's transl)].
Using radioimmunoassays, plasma levels of carp gonadotropin (c-GTH) and oestradiol-17 beta (E2) are measured every day in Carp, during induced spawning (water temperature = 15 degrees C). Ten Carps injected twice intraperitonealy with a total extract of Carp hypophysis (0,6 mg/kg BW at Jo and 5,4 mg/kg BW at J1) are compared to a lot receiving only saline solution. No evolution is detected in that last group when in the experimental one E2 level increases with exogenous c-GTH (see table). Even if E2 levels are low at the end of vitellogenesis, steroidogenic structures remain sensitive to an exogenous hypophysial stimulation. Secretion ability differs within individuals (correlation coefficient between total estimated c-GTH and E2 = 0,15).
Animals↗