Molecular characterization of insulin-like androgenic gland hormone-binding protein gene from the oriental river prawn Macrobrachium nipponense and investigation of its transcriptional relationship with the insulin-like androgenic gland hormone gene.

abstract：:Insulin receptor downregulation in the isolated hepatocytes of lamprey (Lampetra fluviatilis) was studied at the ambient temperature for this species. Preincubation of hepatocytes with 10(-9)-10(-8) M unlabeled insulin decreased insulin binding capacity to 43, 37, and 34% at 4, 15, and 25 degrees, respectively. Preinc...

journal_title：General and comparative endocrinology

authors： Leibush BN,Lappova YL

更新日期：1995-10-01 00:00:00

abstract：:Several antisera specific to neuropeptides of vertebrates were applied to sections of the earthworm Eisenia fetida Sav. Some of them were able to reveal specific neurones of the supraoesophageal ganglion: h-GHRF, CRF, Leu- and Met-enkephalin, dynorphin, substance P, CCK-8, and CCK-8S. A map of different areas or nucle...

journal_title：General and comparative endocrinology

authors： Lkhider M,Marcel R,Tramu G

更新日期：1987-03-01 00:00:00

abstract：:The androgen concentration in birds' eggs varies with laying order, breeding conditions, and mate attractiveness. In passerine birds, mate attractiveness depends upon song quality. The aim of our study was to evaluate the effect of one criterion used by females to assess male song quality that is to say the presence o...

journal_title：General and comparative endocrinology

authors： Tanvez A,Béguin N,Chastel O,Lacroix A,Leboucher G

更新日期：2004-09-01 00:00:00

abstract：:Studies of the ontogeny of IGF-I mRNA during embryonic and larval development of the gilthead sea bream Sparus aurata showed its expression during these early developmental stages. The present study applies in situ hybridization to localize IGF-I and IGF receptor mRNAs in 16-day larvae of S. aurata. Paraffin sections ...

journal_title：General and comparative endocrinology

authors： Funkenstein B,Almuly R,Chan SJ

更新日期：1997-09-01 00:00:00

abstract：:The serotonin system has been implicated in the modulation of endocrine and behavioral components of reproduction. In this study, we examined endogenous hypothalamic indolamines during sexual differentiation and long-term effects of exogenous steroids during this time. In Experiment 1, Japanese quail were studied duri...

journal_title：General and comparative endocrinology

authors： Abdelnabi MA,Ottinger MA

更新日期：2003-01-01 00:00:00

abstract：:In songbirds, such as canaries (Serinus canaria), the song control circuit has been shown to undergo a remarkable change in morphology in response to exogenous testosterone (T). It is also well established that HVC, a telencephalic nucleus involved in song production, is significantly larger in males than in females. ...

journal_title：General and comparative endocrinology

authors： Madison FN,Rouse ML Jr,Balthazart J,Ball GF

更新日期：2015-05-01 00:00:00

abstract：:Hormones play key, functional roles in mediating the tradeoff between survival and reproduction. Glucocorticoid hormones can inhibit reproduction and improve chances of survival during periods of stress. However, glucocorticoid hormones are, at times, also associated with successfully engaging in energetically costly ...

journal_title：General and comparative endocrinology

authors： Reedy AM,Edwards A,Pendlebury C,Murdaugh L,Avery R,Seidenberg J,Aspbury AS,Gabor CR

更新日期：2014-11-01 00:00:00

abstract：:A significant reduction in stress-induced plasma cortisol levels is apparent in mature male rainbow trout compared to immature fish of both sexes and of the same age and strain. Mean plasma cortisol levels in groups of immature fish subjected to a standard 1-hr confinement stress were consistently higher (range 93.9 +...

journal_title：General and comparative endocrinology

authors： Pottinger TG,Balm PH,Pickering AD

更新日期：1995-06-01 00:00:00

abstract：:The endocrine pancreas of the lizard Podarcis hispanica is described using light and electron microscopy. The endocrine pancreas of this reptile is located throughout the spleen side of the organ and consists of islet-like structures, small groups of two to five cells, and single scattered endocrine cells. The endocri...

journal_title：General and comparative endocrinology

authors： López J,Echevarría M,Vázquez JJ

更新日期：1988-08-01 00:00:00

abstract：:The effect of a gonadotropin-releasing hormone analog (GnRHA, HOE766) was studied in hypophysectomized elasmobranch fish Torpedo marmorata and T. ocellata. In addition, estradiol (E2) effects were studied in intact and hypophysectomized (HPX) animals. Plasma androgen concentrations were measured 2 or 6 hr after GnRHA ...

journal_title：General and comparative endocrinology

authors： Fasano S,Pierantoni R,Minucci S,Di Matteo L,D'Antonio M,Chieffi G

更新日期：1989-09-01 00:00:00

abstract：:An immunohistological analysis of the chromaffin cell system of the American eel revealed the presence of tyrosine hydroxylase (TH) and dopamine-beta-hydroxylase (DBH) in all cells. However, phenylethanolamine-N-methyltransferase (PNMT) was seen only in a fraction of the chromaffin cells. This suggests the presence of...

journal_title：General and comparative endocrinology

authors： Hathaway CB,Epple A

更新日期：1990-09-01 00:00:00

abstract：:Normal saline, L-thyroxine (L-T4, 0.5 micrograms/bird/day), and testosterone (100 micrograms/bird/day) were administered separately to intact, thyroidectomized, and castrated spotted munia over a 30-day period and the effects on basal metabolic rate (BMR), gonads, and body weight were recorded. Thyroidectomy and castr...

journal_title：General and comparative endocrinology

authors： Gupta BB,Thapliyal JP

更新日期：1984-10-01 00:00:00

abstract：:Daily variations in circulating melatonin concentrations have been measured at monthly intervals from April to December 1986 in an Antarctic bird, the emperor penguin, Aptenodytes forsteri, maintained under natural conditions. Both duration of the elevated nighttime melatonin levels and amplitude of the day-night rhyt...

journal_title：General and comparative endocrinology

authors： Miché F,Vivien-Roels B,Pévet P,Spehner C,Robin JP,Le Maho Y

更新日期：1991-11-01 00:00:00

abstract：:Whether administration of the corticotropin-releasing factor (CRF) antagonist alpha-helical CRF(9-41) (hCRF) prevents stress response of the ovary, the oviduct, the adrenals, and the spleen was studied in the lizard Mabuya carinata. Stressors (handling, chasing, and noise) applied randomly, five times a day, for 1 mon...

journal_title：General and comparative endocrinology

authors： Ganesh CB,Yajurvedi HN

更新日期：2002-04-01 00:00:00

abstract：:The doublesex and mab-3 related transcription factor (Dmrt) gene family is known to be related to the sexual regulators doublesex of arthropods and mab-3 of annelids and to hold highly conserved functions in sexual determination and differentiation across phyla. Here, we report a study of the Dmrt gene family in the f...

journal_title：General and comparative endocrinology

authors： Amterat Abu Abayed F,Manor R,Aflalo ED,Sagi A

更新日期：2019-10-01 00:00:00

abstract：:The initiation of sexual maturation and spermatogenesis are complex processes that require the highly coordinated regulation of a number of key genes. The endocrine system plays crucial roles in these processes, but the precise mechanisms involved in sexual maturation of fish are poorly understood. We investigated the...

journal_title：General and comparative endocrinology

authors： Maugars G,Schmitz M

更新日期：2008-11-01 00:00:00

abstract：:Changes in plasma levels of steroid hormones in pre-spawning chum salmon (Oncorhynchus keta) were examined for 6 years in association with sexual maturation. Fish were sampled along their homing pathway from the coastal sea to the spawning ground from 1995 to 2000. Plasma levels of testosterone (T), 11-ketotestosteron...

journal_title：General and comparative endocrinology

authors： Onuma T,Higashi Y,Ando H,Ban M,Ueda H,Urano A

更新日期：2003-09-01 00:00:00

abstract：:Implantation of cortisol pellets in a dorsal lymph sac reduced the frequency with which toads replaced the strata cornea of the epidermis. Except in a few cases, however, the replaced strata cornea were not shed as in a normal moult. The mean interval between replacements of strata cornea rose from about 9-10 days in ...

journal_title：General and comparative endocrinology

authors： Jørgensen CB

更新日期：1988-07-01 00:00:00

abstract：:By use of the indirect immunofluorescence method in conjunction with an elution-restaining technique, cells in the caudal neurosecretory system of the big skate (Raja binoculata) and the plainfin midshipman (Porichthys notatus) were shown to contain both urotensin I (UI)/corticotropin-releasing factor (CRF) and uroten...

journal_title：General and comparative endocrinology

authors： Onstott D,Elde R

更新日期：1986-08-01 00:00:00

abstract：:Our previous research on range-expanding house sparrows in Kenya revealed that (i) range-edge birds released more corticosterone (CORT) in response to a stressor than range-core birds, ii) that range-edge birds were more exploratory than range-core birds, and that (iii) all birds exhibited extensive variation in genom...

journal_title：General and comparative endocrinology

authors： Kilvitis HJ,Ardia DR,Thiam M,Martin LB

更新日期：2018-12-01 00:00:00

abstract：:In female Paratelphusa, there appear to be two alternating dominant physiological tendencies, one biased in favor of reproductive (ovarian) growth and another biased in favor of somatic (regenerative) growth. Multiple limb autotomy (MA), long known to stimulate somatic growth, did so only if the crab was physiological...

journal_title：General and comparative endocrinology

authors： Kurup KN,Adiyodi RG

更新日期：1984-12-01 00:00:00

abstract：:Chicken growth hormone secretagogue receptor (GHSR) is a receptor for ghrelin (GHRL), a peptide hormone produced by chicken proventriculus, which stimulates growth hormone (GH) release and food intake. The purpose of this study was to search for single nucleotide polymorphisms (SNPs) in exon 2 of GHSR gene and to anal...

journal_title：General and comparative endocrinology

authors： El-Magd MA,Saleh AA,Abdel-Hamid TM,Saleh RM,Afifi MA

更新日期：2016-10-01 00:00:00

abstract：:Insulin-like growth factor-1 (IGF-1) is a member of the vertebrate insulin/insulin-like growth factor/relaxin gene family necessary for growth, reproduction, and survival at both the cellular and organismal level. Its sequence, protein structure, and function have been characterized in mammals, birds, and fish; howeve...

journal_title：General and comparative endocrinology

authors： Sparkman AM,Schwartz TS,Madden JA,Boyken SE,Ford NB,Serb JM,Bronikowski AM

更新日期：2012-08-01 00:00:00

abstract：:Twelve male edible dormice, captured in the autumn of 1979, were studied for 2 years under natural lighting in an animal enclosure with permanently open windows, at Montpellier, in Southern France (latitude 43 degrees 50' N). Ambient temperature fluctuated annually between +4 and 27 degrees, and the photoperiod betwee...

journal_title：General and comparative endocrinology

authors： Jallageas M,Assenmacher I

更新日期：1983-06-01 00:00:00

abstract：:In this study, we compare the ontogenic patterns for thyroid hormones, growth hormone (GH), and insulin-like growth factor-I (IGF-I) in altricial European starlings and precocial Japanese quail and examine the effects of feed restriction on these species. The most marked difference in development between the altricial...

journal_title：General and comparative endocrinology

authors： Schew WA,McNabb FM,Scanes CG

更新日期：1996-03-01 00:00:00

abstract：:Measuring hair cortisol has attracted interest as a long term parameter for chronic stress evaluation. However, some studies support the hypothesis that locally produced cortisol, originating from the hair follicle or skin cells, affects concentrations in the hair. In an animal model the influence of different treatme...

journal_title：General and comparative endocrinology

authors： Salaberger T,Millard M,Makarem SE,Möstl E,Grünberger V,Krametter-Frötscher R,Wittek T,Palme R

更新日期：2016-07-01 00:00:00

abstract：:Our previous study showed the seasonal variations in expression of vasotocin (VT) and isotocin (IT) genes in preoptic magnocellular neurons of female masu salmon (Oncorhynchus masou). The changes in the level of VT mRNA were coincident with those in plasma testosterone and estradiol levels. In the present study, gener...

journal_title：General and comparative endocrinology

authors： Ota Y,Ando H,Ueda H,Urano A

更新日期：1999-10-01 00:00:00

abstract：:Serum prolactin (PRL) and luteinizing hormone (LH) levels from mature female turkeys were determined following ovariectomy and daily subcutaneous injections for 4 or 9 days of 0.002-2.0 mg/kg estradiol benzoate (EB), 0.05-2.0 mg/kg progesterone (P), or their combinations. Serum PRL levels were increased (P less than 0...

journal_title：General and comparative endocrinology

authors： El Halawani ME,Silsby JL,Fehrer SC,Behnke EJ

更新日期：1983-10-01 00:00:00

abstract：:Atrazine (ATZ) is a widely used herbicide and is considered an endocrine disruptor of different organisms. However, the molecular interactions of ATZ with biological targets in mammalian endocrine systems are not understood fully. In the present study, we observed that ATZ administration (50, 100 and 200 mg/kg) for 3 ...

journal_title：General and comparative endocrinology

authors： Jin Y,Wang L,Fu Z

更新日期：2013-04-01 00:00:00

abstract：:Plasma profiles of several gonadal steroids and cortisol were examined in a field population of the protandrous, sex-changing anemonefish Amphiprion melanopus to elucidate potential roles of these hormones in gonadal sex change. Sex change was experimentally induced in males by removal of their dominant female pair ma...

journal_title：General and comparative endocrinology

authors： Godwin JR,Thomas P

更新日期：1993-08-01 00:00:00