Search Results - "Le Menn, F."

Effects of Dietary Phytoestrogens in Vivo and in Vitro in Rainbow Trout and Siberian Sturgeon: Interests and Limits of the in Vitro Studies of Interspecies Differences by Latonnelle, K., Le Menn, F., Kaushik, S.J., Bennetau-Pelissero, C.

“…A study of the effects of dietary genistein on trout and sturgeon in vivo showed that sturgeon was sensitive to 20 ppm of genistein, whereas trout was not. To…”
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Binding affinities of hepatic nuclear estrogen receptors for phytoestrogens in rainbow trout ( Oncorhynchus mykiss) and Siberian sturgeon ( Acipenser baeri) by Latonnelle, K, Fostier, A, Le Menn, F, Bennetau-Pelissero, C

“…Phytoestrogens are dietary estrogenic contaminants capable of inducing vitellogenin synthesis in rainbow trout and Siberian sturgeon. A competitive-binding…”
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Seasonal cycle of gonadal development and serum levels of vitellogenin of the red porgy, Pagrus pagrus (Teleostei : Sparidae) by KOKOKIRIS, L, LE MENN, F, KENTOURI, M, KAGARA, M, FOSTIER, A

“…Histological examination of gonads of female and male red porgy, Pagrus pagrus, reared in captivity, was carried out in order to describe the main gonadal…”
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In vitro Estrogenic Effects of Phytoestrogens in Rainbow Trout and Siberian Sturgeon by Latonnelle, K, Menn, F Le, Bennetau-Pelissero, C

“…Soy as several other vegetables is rich in phytoestrogens and we demonstrated that these compounds were both estrogenic and endocrine disrupters, in sturgeon…”
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Relationships between the expression of maternal behaviour and ovarian development in the mouthbrooding cichlid fish Oreochromis Niloticus by Tacon, P., Ndiaye, P., Cauty, C., Le Menn, F., Jalabert, B.

“…The rhythm of ovarian development in Oreochromis niloticus was compared in females that had been allowed to, or were prevented from, mouthbrooding,…”
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Estrogenic effect of dietary soya bean meal on vitellogenesis in cultured Siberian sturgeon Acipenser baeri by Pelissero, C, Le Menn, F, Kaushick, S

“…The unusual presence of vitellogenin in the plasma of male and nonvitellogenic female Siberian sturgeon has been demonstrated previously (Pelissero and Le…”
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The estrogenic activity of certain phytoestrogens in the Siberian sturgeon Acipenser baeri by Pelissero, C, Bennetau, B, Babin, P, Le Menn, F, Dunogues, J

“…Various phytoestrogens such as formononetin, daidzein, genistein and equol were synthesized. Their purity was assessed by various analytical techniques…”
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Disposition of genistein in rainbow trout ( Oncorhynchus mykiss ) and siberian sturgeon ( Acipenser baeri ) by Gontier-Latonnelle, K, Cravedi, J.P, Laurentie, M, Perdu, E, Lamothe, V, Le Menn, F, Bennetau-Pelissero, C

“…Abstract Genistein (G) is a xenoestrogen from soy present in fish diet. In vivo, a 50-fold difference in sensitivity to genistein on vitellogenin (VTG)…”
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An enzyme linked immunosorbant assay (ELISA) for testosterone, estradiol, and 17,20 beta -dihydroxy-4-pregenen-3-one using acetylcholinesterase as tracer: application to measurement of diel patterns in rainbow trout (Oncorhynchus mykiss) by Nash, J P, Davail-Cuisset, B, Bhattacharyya, S, Suter, H C, Le Menn, F, Kime, DE

“…A simple and rapid Enzyme Linked ImmunoSorbant Assay (ELISA) is described and validated for testosterone, estradiol, and 17,20 beta -dihydroxy-4-pregnen-3-one…”
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Stress indicators throughout the reproduction of farmed Siberian sturgeon Acipenser baerii (Brandt) females by Williot, Patrick, Comte, Sylvain, Françoise Le Menn

“…We compared the profiles of plasma stress indicators (cortisol, lactate and glucose), ions (sodium, calcium, potassium, magnesium and chloride) and the…”
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Effect of Genistein-Enriched Diets on the Endocrine Process of Gametogenesis and on Reproduction Efficiency of the Rainbow Trout Oncorhynchus mykiss by Bennetau-Pelissero, Catherine, Breton B, Bernard, Bennetau, Bernard, Corraze, Geneviève, Le Menn, Françoise, Davail-Cuisset, Blandine, Helou, Chantal, Kaushik, Sadasivam J.

“…Three practical diets were formulated to contain 0, 500, or 1000 ppm genistein. The three diets were distributed for 1 year to groups of rainbow trout…”
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Seasonal Variations and Maturity Stages in Relation to Differences in Serum Levels of Gonadal Steroids, Vitellogenin, and Thyroid Hormones in the Common Dentex (Dentex dentex) by Pavlidis, M., Greenwood, L., Mourot, B., Kokkari, C., Le Menn, F., Divanach, P., Scott, A.P.

“…Seasonal variations in serum concentrations of 17β-estradiol (E2), vitellogenin (Vg), testosterone (T), 11 ketotestosterone (11-KT), and thyroid hormones (T4,…”
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Plasma sex steroids and vitellogenin levels in stellate sturgeon (Acipenser stellatus Pallas) during spawning migration in the Danube River by Ceapa, C., Williot, P., Le Menn, F., Davail-Cuisset, B.

“…Data are presented on the levels of vitellogenin (VTG) and sex steroids plasma [testosterone (T), estradiol (E2), 11-keto-testosterone (11KT), and 17 alpha ,20…”
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Plasma Vitellogenin Levels during the Annual Reproductive Cycle of the Female Rainbow Trout (Oncorhynchus mykiss): Establishment and Validation of an ELISA by Bon, E, Barbe, U, Rodriguez, J.Nuñez, Cuisset, B, Pelissero, C, Sumpter, J.P, Le Menn, F

“…Rainbow trout, Oncorhynchus mykiss, vitellogenin (Vtg) was purified from plasma of E2-treated male by direct anion exchange chromatography and some of its…”
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Effects of accelerated photoperiod regimes on the reproductive cycle of the female rainbow trout: II Seasonal variations of plasma gonadotropins (GTH I and GTH II) levels correlated with ovarian follicle growth and egg size by Bon, E, Breton, B, Govoroun, Ms, Le Menn, F

“…Female rainbow trout were exposed over their second reproductive cycle to a simulated natural photoperiod (control group) and to two accelerated photoperiod…”
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Effect of androgen mediated by the estrogen receptor of fish liver: vitellogenin accumulation by Le Menn, F, Rochefort, H, Garcia, M

“…We have investigated the action of high doses of androgens in Gobius niger L., a marine teleostean fish, by characterizing specific steroid receptors in liver…”
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Endocrine changes during the annual reproductive cycle of the red porgy, Pagrus pagrus (Teleostei, Sparidae) by Kokokiris, L, Mourot, B, Le Menn, F, Kentouri, M, Fostier, A

“…Changes in 17β-estradiol (E2), estrone (E1), testosterone (T), 11-ketotestosterone (11KT), and 17,20β-dihydroxy-4-pregnen-3-one (17,20β-P) levels were…”
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Occurrence and in vitro biosynthesis of 11-ketotestosterone in Siberian sturgeon, Acipenser baeri Brandt maturing females by Cuisset, B, Fostier, A, Williot, P, Bennetau-Pelissero, C, Le Menn, F

“…High levels of 11-ketotestosterone (11KT) were found (49 to 160 ng ml(-1)) in plasma of Siberian sturgeon females during the end of their reproductive cycle…”
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Effect of carp gonadotropin (cGTH) and a fraction unabsorbed on concanavalin A-Sepharose obtained from cGTH on vitellogenesis in the hypophysectomized marine teleost Gobius niger by Le Menn, F, Burzawa-Gérard, E

“…To investigate whether a differential potency on vitellogenesis exists between the carp gonadotropin (cGTH) and fraction I-cGTH (proteins from cGTH unbound on…”
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Effect of Shortened Photoperiod on the Annual Blood Levels of GTH1 and GTH2 in Rainbow Trout (Oncorhynchus mykiss) by LE MENN, F., BON, E., GOVORUN, M., BRETON, B.

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