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Registros recuperados: 42
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A microparticle enhanced nephelometric immunoassay (Nephelia R) applied to thymulin measurement IRD
Gartner, Agnès; Carles, Christian; Montagne, P.; Cuillière, M.L.; Duheille, J..
Tipo: Text Palavras-chave: METHODOLOGIE; DIAGNOSTIC; IMMUNOLOGIE; DOSAGE; HORMONE; INDICATEUR BIOCHIMIQUE; ETUDE COMPARATIVE; THYMULINE; FACTEUR THYMIQUE SERIQUE; IMMUNONEPHELEMETRIE; SUPPORT MICROPARTICULAIRE; NEPHELIA R.
Ano: 1991 URL: http://www.documentation.ird.fr/hor/fdi:36920
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Absence of marked seasonal variations in sexual maturity of Pangasius hypophthalmus brooders held in ponds at the Sukamandi station (Java, Indonesia) IRD
Legendre, Marc; Subagja, J.; Slembrouck, Jacques.
An evaluation of the seasonal variations of sexual activity of #P. hypophthalmus$ broodstock held in 50 m2 ponds was carried out between April 1997 and April 1998 at the Sukamandi station (West Java, 6°S of latitude). These variations were assessed through the evolution of oocyte diameter of individual females, the proportion of fluent males and the success of hormonal-induced breeding trials. High proportions of fluent males and mature females with post-vitellogenic oocytes of modal diameter superior to 1.00 mm were found at anytime. As a consequence, successful induced breeding of this species using hormonal treatments could be performed regardless of season and allowed an all year long production of fry. This continuous sexual maturity of #P....
Tipo: Text Palavras-chave: POISSON D'EAU DOUCE; CYCLE DE REPRODUCTION; HORMONE; INDUCTION; TEMPERATURE; VARIATION SAISONNIERE; PISCICULTURE; METHODE D'ELEVAGE; ETUDE EXPERIMENTALE.
Ano: 1998 URL: http://www.documentation.ird.fr/hor/fdi:010020348
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Activation ou inhibition testiculaire par la photopériode chez plusieurs espèces de rongeurs sahéliens : première mise en évidence d'une variation circadienne de la photogonadosensibilité IRD
Sicard, Bruno; Maurel, D.; Gautun, Jean-Claude; Boissin, J..
Tipo: Text Palavras-chave: PHYSIOLOGIE ANIMALE; ANIMAL NUISIBLE; CYCLE DE REPRODUCTION; HORMONE; PHOTOPERIODICITE; RYTHME BIOLOGIQUE; VARIATION SAISONNIERE; ETUDE EXPERIMENTALE; RONGEUR.
Ano: 1988 URL: http://www.documentation.ird.fr/hor/fdi:010020051
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Acute restraint stress activates functional NK1 receptor in the colon of female rats: involvement of steroids Inra
Bradesi, S.; Eutamène, H.; Fioramonti, J.; Buéno, L..
Tipo: Journal Article Palavras-chave: SEXE FEMININ; HORMONE; HISTAMINE; STRESS AIGU; COLON; HYPERSENSIBILITE; RECEPTEUR NK1; FACTEUR PSYCHOLOGIQUE.
Ano: 2002 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB0500023824109867&uri=/notices/prodinra1/2009/11/
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Alterations in thyroid function in patients with Trypanosoma brucei gambiense infection IRD
Boersma, A.; Hublart, M.; Boutignon, F.; Noireau, François; Lemesre, Jean-Loup; O'Herbomez, M.; Degand, P..
Tipo: Text Palavras-chave: MALADIE DU SOMMEIL; MALADIES ASSOCIEES; DEFICIT; HORMONE; HOMME; ADULTE; GLANDE THYROIDE; FONCTION ENDOCRINE.
Ano: 1989 URL: http://www.documentation.ird.fr/hor/fdi:26550
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An ocular capacity to promote photoperiodic testicular growth in the quail IRD
Baylé, J.D.; Oliver, J.; Sicard, Bruno.
Tipo: Text Palavras-chave: PHYSIOLOGIE ANIMALE; OISEAU; CYCLE DE REPRODUCTION; RYTHME BIOLOGIQUE; PHOTOPERIODICITE; HORMONE; ETUDE EXPERIMENTALE; OEIL.
Ano: 1983 URL: http://www.documentation.ird.fr/hor/fdi:010020042
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Breeding for robustness: the role of cortisol Inra
Mormède, P.; Foury, A.; Terenina, E.; Knap, P.W..
Robustness in farm animals was defined by Knap as ‘the ability to combine a high production potential with resilience to stressors, allowing for unproblematic expression of a high production potential in a wide variety of environmental conditions’. The importance of robustness-related traits in breeding objectives is progressively increasing towards the production of animals with a high production level in a wide range of climatic conditions and production systems, together with a high level of animal welfare. Current strategies to increase robustness include selection for ‘functional traits’, such as skeletal and cardiovascular integrity, disease resistance and mortality in various stages. It is also possible to use global evaluation of sensitivity to the...
Tipo: Journal Article Palavras-chave: GENETIQUE; MARQUEUR GENETIQUE; SELECTION ASSISTEE PAR MARQUEUR; AMELIORATION GENETIQUE; ANIMAL; PRODUCTION; BIEN ETRE ANIMAL; SYSTEME DE PRODUCTION; SELECTION GENETIQUE; CORTICOSTERONE; EFFET DU STRESS; ADAPTATION; HORMONE; POLYMORPHISME GENETIQUE; VARIABILITE GENETIQUE; MODELISATION; HORMONE CORTICOSTEROIDE; CORTEX STRESS; ROBUSTNESS; CORTISOL; GENETICS; MARKER-ASSISTED SELECTION.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2010d8a76487&uri=/notices/prodinra1/2010/12/
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Characterization of ecdysteroids in Drosophila melanogaster by enzyme immunoassay and nano-liquid chromatography–tandem mass spectrometry Inra
Blais, C.; Blasco, T.; Maria, A.; Dauphin-Villemant, C.; Lafont, R..
Ecdysteroids are polyhyclroxylated steroids that function as molting hormones in insects. 20-Hydroxyecdysone (a 27C-ecdysteroid) is classically considered as the major steroid hormone of Drosophila melanogaster, but this insect also contains 28C-ecdysteroids. This arises from both the use of several dietary sterols as precursors for the synthesis of its steroid hormones, and its inability to dealkylate the 28C-phytosterols to produce cholesterol. The nature of Drosophila ecdysteroids has been re-investigated using both high-performance liquid chromatography coupled to enzyme immunoassay and a particularly sensitive nano-liquid chromatography-mass spectrometry methodology, while taking advantage of recently available ecdysteroid standards isolated from...
Tipo: Journal Article Palavras-chave: DROSOPHILE; ARTHROPODA; HEXAPODA; INSECTE; SPECTROMETRIE DE MASSE; ECDYSTEROIDE; HORMONE; HORMONE DE MUE; ENZYME; CHROMATOGRAPHIE LIQUIDE; HPLC; TECHNIQUE IMMUNOLOGIQUE DROSOPHILA; DEVELOPMENT; ECDYSONE; MASS SPECTROMETRY; PHYTOSTEROL; STEROL.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2010e5525b42&uri=/notices/prodinra1/2011/02/
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Circadian rhythm of photosensitivity and the adaptation of reproductive function to the environment in two populations of Arvicanthis niloticus from Mali and Burkina Faso IRD
Sicard, Bruno; Maurel, D.; Fuminier, F.; Boissin, J..
Tipo: Text Palavras-chave: PHYSIOLOGIE ANIMALE; ANIMAL NUISIBLE; CYCLE DE REPRODUCTION; RYTHME BIOLOGIQUE; PHOTOPERIODICITE; HORMONE; VARIATION SAISONNIERE; ETUDE REGIONALE; RONGEUR.
Ano: 1992 URL: http://www.documentation.ird.fr/hor/fdi:010020054
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Cloning of an octopamine/tyramine receptor and plasticity of its expression as a function of adult sexual maturation in the male moth Agrotis ipsilon Inra
Duportets, L.; Barrozo, R.B.; Bozzolan, F.; Gaertner, C.; Anton, S.; Gadenne, C.; Debernard, S..
In the male moth Agrotis ipsilon behavioural response and antennal lobe (AL) neuron sensitivity to the female-produced sex pheromone increase with age and juvenile hormone (JH) level. We recently showed that the neuromodulator, octopamine (OA), interacts with JH in this age-dependent olfactory plasticity. To further elucidate its role, we cloned a full cDNA encoding a protein that presents biochemical features essential to OA/tyramine receptor (AipsOAR/TAR) function. The AipsOAR/TAR transcript was detected predominantly in the antennae, the brain and, more specifically, in ALs where its expression level varied concomitantly with age. This expression plasticity indicates that AipsOAR/TAR might be involved in central processing of the pheromone signal during...
Tipo: Journal Article Palavras-chave: LOBE ANTENNAIRE; LEPIDOPTERA; NOCTUIDAE; AGROPIS IPSILON; RECEPTEUR; OLFACTION; MITE; INSECTE; MATURATION SEXUELLE; ARTHROPODA; HEXAPODA; NEURONE; PHEROMONE; HORMONE; ADNC; CLONAGE; COMPORTEMENT SEXUEL; ATTRACTIF SEXUEL ANTENNAL LOBE; OCTOPAMINE/TYRAMINE RECEPTOR; OLFACTORY PROCESSING; MATURATION; EXPRESSION PLASTICITY.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20102d18e75d&uri=/notices/prodinra1/2011/02/
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Corticosterone-dependent metabolic and neuroendocrine abnormalities in obese Zucker rats in relation to feeding Inra
Duclos, M.; Timofeeva, E.; Michel, C.; Richard, D..
The obese Zucker (fa/fa) rat is characterized by hyperphagia, hyperinsulinemia, an increase in fat deposition, and a hyperactivity in the hypothalamic-pituitary-adrenal (HPA) axis. The HPA axis in fa/fa rats is hypersensitive to stressful experimental conditions. Food deprivation even leads to a stress reaction in obese fa/fa rats. The present study was conducted to investigate the role of corticosterone in obese rats on the basal, fasting, and postprandial metabolic rate as well as on the central expression of the thyrotropin-releasing hormone (TRH) in these conditions. In addition, the study was aimed at clarifying whether the high levels of corticosterone in obese rats are responsible for the induction of the stress reaction to food deprivation in these...
Tipo: Journal Article Palavras-chave: RAT ZUCKER; OBESITE; HORMONE; ACTIVITE ENZYMATIQUE; CORTICOSTERONE; ALIMENTATION.
Ano: 2005 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB0500009378108503&uri=/notices/prodinra1/2010/11/
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Effects of varying latency period on the in vivo survival of ova after Ovaprim- and hCG-induced ovulationin the Asian catfish Pangasius hypophthalmus (Siluriformes, Pangasiidae) IRD
Legendre, Marc; Slembrouck, Jacques; Subagja, J.; Kristanto, A.H..
Over a 2-year period at the Sukamandi station (West Java, Indonesia), 87 #P. hypophthalmus$ females selected on the basis of a modal oocyte diameter greater than 1.0 mm were treated with Ovaprim (n=77) or hCG (n=10) to induce oocyte maturation and ovulation. The two hormonal treatment led to similar results in terms of ovulation percentage (86 and 90%), hatching rates (69 plus or minus 28 and 82 plus or minus 11%) and relative fecundity (167,000 plus or minus 18,000 and 128,000 plus or minus 60,000 eggs/kg, with Ovaprim and hCG respectively. The latency period between the last hormone injection and ovulation was negatively correlated to water temperature but showed important variations at a same temperature depending on individual females (e.g. between...
Tipo: Text Palavras-chave: POISSON D'EAU DOUCE; PISCICULTURE; METHODE D'ELEVAGE; REPRODUCTION; INDUCTION; HORMONE; OVOCYTE; OEUF; LARVE; TAUX DE SURVIE; ECLOSION; FECONDATION; ETUDE EXPERIMENTALE; REPRODUCTION ARTIFICIELLE; TRAITEMENT HORMONAL; GNRH; DOMPERIDONE; OVAPRIM; HCG.HUMAN CHRONIC GONADOTROPINE.
Ano: 1998 URL: http://www.documentation.ird.fr/hor/fdi:010020351
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Effet in vitro de la thymuline (Zn-FTS) sur les sous-populations lymphocytaires d'enfants dénutris présentant une atrophie thymique sévère IRD
Jambon, Bernard; Zalles, L.; Sevilla, R.; Bustos, M.; Cuellar, E.; Chevalier, Philippe; Dhenin, Jean-Marie; Parent, Gérard.
Tipo: Text Palavras-chave: MALNUTRITION PROTEINOENERGETIQUE; ENFANT D'AGE PRESCOLAIRE; IMMUNOLOGIE; HORMONE; INDICATEUR BIOCHIMIQUE; DOSAGE; THYMULINE; IMMUNODEFICIT.
Ano: 1989 URL: http://www.documentation.ird.fr/hor/fdi:31351
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Endotoxin inhibits the surge secretion of gonadotropin-releasing hormone via a prostaglandin-independent pathway Inra
Breen, K.M.; Billings, H. J.; Debus, N.; Karsch, F. J..
Immune/inflammatory challenges, such as bacterial endotoxin, disrupt gonadotropin secretion and ovarian cyclicity. We previously determined that endotoxin can block the estradiol-induced LH surge in the ewe. Here, we investigated mechanisms underlying this suppression. First, we tested the hypothesis that endotoxin blocks the estradiol-induced LH surge centrally, by preventing the GnRH surge. Artificial follicular phases were created in ovariectomized ewes, and either endotoxin or vehicle was administered together with a surge-inducing estradiol stimulus. In each ewe in which endotoxin blocked the LH surge, the GnRH surge was also blocked. Given this evidence that endotoxin blocks the estradiol-induced LH surge at the hypothalamic level, we began to assess...
Tipo: Journal Article Palavras-chave: ENDOTOXINE; HORMONE GONADOTROPE; GONADOTROPINE; PROSTAGLANDINE; SECRETION DE LH; PULSE DE GNRH; CYCLE OVARIEN; HYPOTHALAMUS ENDOTOXIN; HORMONE; GONADOTROPIN; GNRH; LH.
Ano: 2004 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2007a6a7a3a2&uri=/notices/prodinra1/2008/09/
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Environmental cues and seasonal breeding patterns in Sahelian rodents IRD
Sicard, Bruno; Fuminier, F..
Tipo: Text Palavras-chave: ANIMAL NUISIBLE; CYCLE DE REPRODUCTION; HORMONE; FACTEUR EDAPHIQUE; FACTEUR ABIOTIQUE; PHOTOPERIODICITE; TEMPERATURE; EAU; INONDATION; VARIATION SAISONNIERE; ETUDE REGIONALE; RONGEUR.
Ano: 1996 URL: http://www.documentation.ird.fr/hor/fdi:010020061
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Evaluation en laboratoire et sur le terrain de l'activité larvicide d'un inhibiteur de croissance du type ecdysoide : l'OMS-2015 sur Culex quinquefasciatus Say, 1983 et Anopheles gambiae s.s. Giles, 1902 IRD
Darriet, Frédéric; Robert, Vincent; Carnevale, Pierre.
Tipo: Text Palavras-chave: LUTTE BIOLOGIQUE; TEST; TOXICITE; HORMONE; INHIBITEUR DE CROISSANCE; MESURE AU LABORATOIRE; CONDITIONS NATURELLES; ECDYSOIDE; JUVENOIDE.
Ano: 1986 URL: http://www.documentation.ird.fr/hor/fdi:24650
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Fasting differentially regulates plasma corticosterone-binding globulin, glucocorticoid receptor, and cell cycle in the gastric mucosa of pups and adult rats Inra
Ogias, D.; De Andrade Sá, E.R.; Kasai, A.; Moisan, M.P.; Alvares, E.P.; Gama, P..
The nutritional status influences gastric growth, and interestingly, whereas cell proliferation is stimulated by fasting in suckling rats, it is inhibited in adult animals. Corticosterone takes part in the mechanisms that govern development, and its effects are regulated in particular by corticosterone-binding globulin (CBG) and glucocorticoid receptor (GR). To investigate whether corticosterone activity responds to fasting and how possible changes might control gastric epithelial cell cycle, we evaluated different parameters during the progression of fasting in 18- and 40-day-old rats. Food restriction induced higher corticosterone plasma concentration at both ages, but only in pups did CBG binding increase after short- and long-term treatments. Fasting...
Tipo: Journal Article Palavras-chave: RESTRICTION ALIMENTAIRE; ÂGE; CORTICOSTERONE; RÉCEPTEUR GLUCOCORTICOÏDE; GLOBULINE; HORMONE; RÉGIME ALIMENTAIRE FOOD RESTRICTION; STOMACH.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2010b80897ff&uri=/notices/prodinra1/2010/11/
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Gain of function mutation in the mineralocorticoid receptor of the brown Norway rat Inra
Marissal-Arvy, N.; Lombès, M.; Petterson, J.; Moisan, M.P.; Mormède, P..
The aim of this research was to identify the molecular bases of differences in sensitivity to corticosteroid hormones between Brown Norway and Fischer 344 rats. We previously showed an apparent insensitivity to adrenalectomy in Brown Norway rats. Based on our first hypothesis of a different activity/reactivity of the mineralocorticoid signaling pathway between the two rat strains, we sequenced Brown Norway and Fischer 344 mineralocorticoid receptor cDNA and identified a tyrosine to cysteine substitution (Y73C) in the N-terminal part of the Brown Norway mineralocorticoid receptor. As a first step, this substitution gave us a means to distinguish the Brown Norway allele from the Fischer 344 at the mineralocorticoid receptor locus in an F2 population. We...
Tipo: Journal Article Palavras-chave: HORMONE; CORTICOSTEROIDE; MINERALOCORTICOIDE; HOMEOSTASIE; PRESSION SANGUINE.
Ano: 2004 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB0500009375108500&uri=/notices/prodinra1/2010/11/
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Gene array and real time PCR analysis of the adrenal sensitivity to adrenocorticotropic hormone in pig Inra
Hazard, D.; Liaubet, L.; San Cristobal, M.; Mormède, P..
BackgroundVariability in hypothalamic-pituitary-adrenal (HPA) axis activity has been shown to be influenced by genetic factors and related to great metabolic differences such as obesity. The aim of this study was to investigate molecular bases of genetic variability of the adrenal sensitivity to ACTH, a major source of variability, in Meishan (MS) and Large White (LW) pigs, MS being reported to exhibit higher basal cortisol levels, response to ACTH and fatness than LW. A pig cDNA microarray was used to identify changes in gene expression in basal conditions and in response to ACTH stimulation.ResultsGenotype and/or ACTH affected the expression of 211 genes related to transcription, cell growth/maintenance, signal transduction, cell structure/adhesion/extra...
Tipo: Journal Article Palavras-chave: OBÉSITÉ; CORTISOL; EXPRESSION DES GÈNES; STRUCTURE CELLULAIRE; CHOLESTÉROL; GÈNE CANDIDAT; AXE HPA; GLANDE SURRÉNALE; PUCE A ADN; HORMONE.
Ano: 2008 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2009bb81e5fc&uri=/notices/prodinra1/2009/11/
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Genetic variability of muscle biological characteristics of young limousin bulls Inra
Renand, G.; Jurie, C.; Robelin, J.; Picard, B.; Geay, Y.; Menissier, F..
Les paramètres génétiques de 4 caractéristiques biologiques - le rapport protéines /ADN (Pro/DNA), les activités de la lactate déshydrogénase (LDH) et de l’isocitrate déshydrogénase (ICDH) et la proportion en chaînes lourdes de myosine lente (MHC I) - des muscles Semitendinosus et Longissimus thoracis, et ceux du gain moyen quotidien (ADG), du poids vif finaL à 480 j (FW) et des teneurs de la carcasse en muscles et en dépôts adipeux (CL% and CF% respectivement), ont été estimés simultanément à partir d’un échantillon de taurillons Limousins contrôlés en station. Le fichier comprenait 144 veaux issus de 15 pères testés sur descendance. Les variances et covariances paternelles et résiduelles ont été estimées par la méthode du maximum de vraisemblance...
Tipo: Journal Article Palavras-chave: HORMONE; RACE BOVINE LIMOUSINE; PARAMETRE GENETIQUE; CROISSANCE.
Ano: 1995 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB9500004707052034&uri=/notices/prodinra1/2007/10/
Registros recuperados: 42
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