abstract：:Pregnancy and lactation are key times in the life of female mammals when energetic resources must be brought to bear to produce and nurture offspring. Changes in glucocorticoid (GC) levels are central to this objective, due to their roles in modulating development and physiology and in mediating energetic tradeoffs. W...

journal_title：General and comparative endocrinology

authors： Edwards PD,Boonstra R

更新日期：2016-06-01 00:00:00

abstract：:Chickens have blood glucose concentrations that are twofold higher than those observed in mammals. Moreover, the insulin sensitivity seems to decrease with postnatal age in both broiler and layer chickens. However, little is known about the response of insulin on plasma glucose concentrations and mRNA abundance of hep...

journal_title：General and comparative endocrinology

authors： Franssens L,Lesuisse J,Wang Y,Willems E,Willemsen H,Koppenol A,Guo X,Buyse J,Decuypere E,Everaert N

更新日期：2016-06-01 00:00:00

abstract：:Maintaining energy balance and reproducing are important for fitness, yet animals have evolved mechanisms by which the hypothalamus-pituitary-adrenal/interrenal (HPA/HPI) axis can shut these activities off. While HPA/HPI axis inhibition of feeding and reproduction may have evolved as a predator defense, to date there ...

journal_title：General and comparative endocrinology

authors： Harris BN,Carr JA

更新日期：2016-05-01 00:00:00

abstract：:Relaxin-like gonad-stimulating peptide (RGP) of starfish Patiria (= Asterina) pectinifera is the first identified invertebrate gonadotropin to trigger final gamete maturation. Recently, chemical structures of RGP were identified in several species of starfish. Three kinds of RGP molecules are found in the class Astero...

journal_title：General and comparative endocrinology

authors： Mita M

更新日期：2016-05-01 00:00:00

abstract：:We have previously characterized the response to gonadotropin-releasing hormone (Gnrh) 2 in luteinizing hormone (lhb)-expressing cells from green fluorescent protein (Gfp)-transgenic medaka (Oryzias latipes), with regard to changes in the cytosolic Ca(2+) concentration. In the current study we present the correspondin...

journal_title：General and comparative endocrinology

authors： Strandabø RA,Grønlien HK,Ager-Wick E,Nourizadeh-Lillabadi R,Hildahl JP,Weltzien FA,Haug TM

更新日期：2016-04-01 00:00:00

abstract：:Ghrelin, and nesfatin-1 (encoded by nucleobindin2/nucb2) are two metabolic peptides with multiple biological effects in vertebrates. While sex steroids are known to regulate endogenous ghrelin and NUCB2 in mammals, such actions by steroids in fish remain unknown. This study aimed to determine whether estradiol (E2) an...

journal_title：General and comparative endocrinology

authors： Bertucci JI,Blanco AM,Canosa LF,Unniappan S

更新日期：2016-03-01 00:00:00

abstract：:In mammals, the sex hormone testosterone is the major endocrine variable to objectify testicular activity and thus reproductive function in males. Testosterone is involved in the development and function of male reproductive physiology and sex-related behaviour. The development of a reliable androgen enzyme-immunoassa...

journal_title：General and comparative endocrinology

authors： Pribbenow S,Wachter B,Ludwig C,Weigold A,Dehnhard M

更新日期：2016-03-01 00:00:00

abstract：:The thyroid stimulating hormone receptor gene (TSHR) has been suggested to be a "domestication locus" in the chicken. A strong selective sweep over TSHR in domestic breeds together with significant effects of a mutation in the gene on several domestication related traits, indicate that the gene has been important for ...

journal_title：General and comparative endocrinology

authors： Karlsson AC,Fallahshahroudi A,Johnsen H,Hagenblad J,Wright D,Andersson L,Jensen P

更新日期：2016-03-01 00:00:00

abstract：:Gonadotropin-inhibitory hormone (GnIH) is a hypothalamic neuropeptide that was isolated from the brains of Japanese quail in 2000, which inhibited luteinizing hormone release from the anterior pituitary gland. Here, we summarize the following fifteen years of researches that investigated on the mechanism of GnIH actio...

journal_title：General and comparative endocrinology

authors： Ubuka T,Son YL,Tsutsui K

更新日期：2016-02-01 00:00:00

abstract：:It is now clearly established that the central and peripheral nervous systems have the ability to synthesize de novo steroids referred to as neurosteroids. The major evidence for biosynthesis of neuroactive steroids by nervous tissues is based on the expression of enzymes implicated in the formation of steroids in neu...

journal_title：General and comparative endocrinology

authors： do Rego JL,Vaudry H

更新日期：2016-02-01 00:00:00

abstract：:Fasting animals must ration stored reserves appropriately for metabolic demands. Animals that experience fasting concomitant with other metabolically demanding activities are presented with conflicting demands of energy conservation and expenditure. Our objective was to understand how fasting northern elephant seals r...

journal_title：General and comparative endocrinology

authors： Fowler MA,Debier C,Champagne CD,Crocker DE,Costa DP

更新日期：2016-01-01 00:00:00

abstract：:Retinoid X receptors (RXRs) are members of the nuclear receptor superfamily and mediate development, reproduction, homeostasis and cell differentiation processes in vertebrates. In this study, full-length cDNA sequences of five rxr subtypes from yellow catfish Pelteobagrus fulvidraco were cloned. Their mRNA expression...

journal_title：General and comparative endocrinology

authors： Pan YX,Luo Z,Wu K,Zhang LH,Xu YH,Chen QL

更新日期：2016-01-01 00:00:00

abstract：:The arginine vasotocin/vasopressin (AVT/AVP) and gonadotropin releasing hormone (GnRH) systems are known to control sexual behaviors and reproduction, respectively, in different vertebrate groups. However, a direct functional connection between these two neuroendocrine systems has not been demonstrated for any vertebr...

journal_title：General and comparative endocrinology

authors： Kline RJ,Holt GJ,Khan IA

更新日期：2016-01-01 00:00:00

abstract：:The neuroactive steroids which are synthesized in the brain and nervous system are known as "Neurosteroids". These steroids have crucial functions such as contributing to the myelination and organization of the brain connectivity. Under the stressful circumstances, the concentrations of neurosteroid products such as a...

journal_title：General and comparative endocrinology

authors： Rahmani B,Ghasemi R,Dargahi L,Ahmadiani A,Haeri A

更新日期：2016-01-01 00:00:00

abstract：:The Hexapoda consists of two classes, the Entognatha and the Insecta, with the former group considered basal to the latter. The Protura is a basal order within the Entognatha, the members of which are minute soil dwellers first identified in the early 20th century. Recently, a transcriptome shotgun assembly (TSA) was ...

journal_title：General and comparative endocrinology

authors： Christie AE,Chi M

更新日期：2015-12-01 00:00:00

abstract：:The aim of our study was to confirm the role of tidal pattern on the coordination of oocyte maturation and spawning in common snook Centropomus undecimalis. To do so, we studied oocyte maturation during the spawning season in relation to the tidal pattern in both males and females by means of histology and hormonal pr...

journal_title：General and comparative endocrinology

authors： Rhody NR,Davie A,Zmora N,Zohar Y,Main KL,Migaud H

更新日期：2015-12-01 00:00:00

abstract：:The differential impact of stress on brain functions of males and females has been widely observed in vertebrates. Recent evidence suggests that stress-induced glucocorticoid signaling affects sexual differentiation and sex changes in teleost fish. These facts led us to postulate that there were sex differences in glu...

journal_title：General and comparative endocrinology

authors： Kikuchi Y,Hosono K,Yamashita J,Kawabata Y,Okubo K

更新日期：2015-11-01 00:00:00

abstract：:In altricial songbirds, food restriction in early development has adverse effects on various physiological systems. When conditions improve birds can accelerate growth, but this compensatory strategy is associated with long-term adverse consequences. One system affected by altered growth rates is the hypothalamic-pitu...

journal_title：General and comparative endocrinology

authors： Farrell TM,Morgan A,Sarquis-Adamson Y,MacDougall-Shackleton SA

更新日期：2015-10-01 00:00:00

abstract：:Numerous endocrine disrupting chemicals can affect the growth and development of amphibians. We investigated the effects of a targeted disruption of the endocrine axes modulating development and somatic growth. Wood frog (Lithobates sylvaticus) tadpoles were exposed for 2weeks (from developmental Gosner stage (Gs) 25 ...

journal_title：General and comparative endocrinology

authors： Bulaeva E,Lanctôt C,Reynolds L,Trudeau VL,Navarro-Martín L

更新日期：2015-10-01 00:00:00

abstract：:Fish egg yolk is largely derived from vitellogenins, which are synthesized in the liver, taken up from the maternal circulation by growing oocytes via receptor-mediated endocytosis and enzymatically processed into yolk proteins that are stored in the ooplasm. Lipid droplets are another major component of fish egg yolk...

journal_title：General and comparative endocrinology

authors： Hiramatsu N,Todo T,Sullivan CV,Schilling J,Reading BJ,Matsubara T,Ryu YW,Mizuta H,Luo W,Nishimiya O,Wu M,Mushirobira Y,Yilmaz O,Hara A

更新日期：2015-09-15 00:00:00

abstract：:In mammals, leptin plays an important role in puberty and reproduction and leptin is regulated by sex steroids. Elevated leptin levels have been associated with sexual maturation in some teleosts such as Atlantic salmon. In the present study, primary cultures of Atlantic salmon hepatocytes were used to investigate the...

journal_title：General and comparative endocrinology

authors： Trombley S,Rocha A,Schmitz M

更新日期：2015-09-15 00:00:00

abstract：:Reproduction of many temperate fishes is seasonal and maturation and spawning of gametes are under photothermal control. Reproductive success of first generation (G1) common sole Solea solea in captivity has been low. In this study, the sexual maturation status has been assessed during the prespawning months in G1 sol...

journal_title：General and comparative endocrinology

authors： Palstra AP,Blok MC,Kals J,Blom E,Tuinhof-Koelma N,Dirks RP,Forlenza M,Blonk RJ

更新日期：2015-09-15 00:00:00

abstract：:In flatfishes with asynchronous and semicystic spermatogenesis, such as the Senegalese sole (Solea senegalensis), the specific roles of the pituitary gonadotropins during germ cell development, particularly of the follicle-stimulating hormone (Fsh), are still largely unknown in part due to the lack of homologous immun...

journal_title：General and comparative endocrinology

authors： Chauvigné F,Verdura S,Mazón MJ,Boj M,Zanuy S,Gómez A,Cerdà J

更新日期：2015-09-15 00:00:00

abstract：:Estrogen signalling is critical for ovarian differentiation in reptiles with temperature-dependent sex determination (TSD). To elucidate the involvement of estrogen in this process, adrenal-kidney-gonadal (AKG) expression of estrogen receptor (ERα) was studied at female-producing temperature (FPT) in the developing em...

journal_title：General and comparative endocrinology

authors： Inamdar LS,Khodnapur BS,Nindi RS,Dasari S,Seshagiri PB

更新日期：2015-09-01 00:00:00

abstract：:The objective of this review was to summarize and discuss the effects of Polybrominated diphenyl ethers (PBDEs) on thyroid and reproduction systems in fish. We reviewed the evidences and mechanisms for PBDEs-induced thyroid and reproduction disruption, as well as the cross-talk between the two systems in fish. In thyr...

journal_title：General and comparative endocrinology

authors： Yu L,Han Z,Liu C

更新日期：2015-08-01 00:00:00

abstract：:Androgens take part in the regulation of puberty and promote growth and development. They play their biological role by binding to a specific androgen receptor (AR). The aim of this study was to evaluate the expression of AR mRNA and protein in the pituitary and adrenal glands, to localize AR protein in luteinizing ho...

journal_title：General and comparative endocrinology

authors： Kiezun J,Kaminska B,Jankowski J,Dusza L

更新日期：2015-06-01 00:00:00

abstract：:Insulin-like androgenic gland hormone-binding protein (IAGBP) has been investigated in crustaceans in vitro. However, the relationship between IAGBP and its putative binding protein partner insulin-like androgenic gland hormone (IAG) has not been studied at the transcriptional level in vivo. In the current study, we c...

journal_title：General and comparative endocrinology

authors： Li F,Bai H,Xiong Y,Fu H,Jiang S,Jiang F,Jin S,Sun S,Qiao H,Zhang W

更新日期：2015-05-15 00:00:00

abstract：:Yellow catfish (Pelteobagrus fulvidraco) is an important freshwater fish species in China. In particular, an all-male population has been commercially produced for the males grow faster than females. However, the molecular mechanisms underlying sexual dimorphism of body size and sex differentiation are still unclear i...

journal_title：General and comparative endocrinology

authors： Xiong S,Jing J,Wu J,Ma W,Dawar FU,Mei J,Gui JF

更新日期：2015-05-15 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：:Food abundance is closely associated with reproductive readiness in vertebrates. Food scarcity can activate the hypothalamo-pituitary-adrenal axis, decrease sex steroid secretion, and dampen reproductive behavior. However, the mechanisms underlying these transient effects are unclear. Gonadotropin inhibitory hormone (...

journal_title：General and comparative endocrinology

authors： Lynn SE,Perfito N,Guardado D,Bentley GE

更新日期：2015-05-01 00:00:00

abstract：:Organophosphorus pesticides are known to disturb glucose homeostasis and increase incidence of metabolic disorders and diabetes via insulin resistance. The current study investigates the influence of malathion on insulin signaling pathways and the protective effects of N-acetylcysteine (NAC). Malathion (200 mg/kg) and...

journal_title：General and comparative endocrinology

authors： Lasram MM,El-Golli N,Lamine AJ,Douib IB,Bouzid K,Annabi A,El Fazaa S,Abdelmoula J,Gharbi N

更新日期：2015-05-01 00:00:00

abstract：:The public deposition of large transcriptome shotgun assembly (TSA) datasets for the Araneae (true spiders) provides a resource for determining the structures of the native neuropeptides present in members of this chelicerate order. Here, the Araneae TSA data were mined for putative peptide-encoding transcripts using ...

journal_title：General and comparative endocrinology

authors： Christie AE,Chi M

更新日期：2015-03-01 00:00:00

abstract：:Melanin-concentrating hormone (MCH) mainly regulates feeding in mammals and pigmentation in teleosts. It acts via two G-protein-coupled receptors, MCH receptor 1 (MCHR1) and MCHR2. Although many studies exploring the MCH system in teleosts and mammals have been carried out, studies on other organisms are limited. In t...

journal_title：General and comparative endocrinology

authors： Kobayashi Y,Hamamoto A,Hirayama T,Saito Y

更新日期：2015-02-01 00:00:00

abstract：:Animals in captivity and in the wild face numerous challenges, including the risk of enduring acute or chronic stress. In captivity, facilities attempt to alleviate the risk of chronic stress by providing environmental enrichment, shown to minimize behavioral disorders and stress in several species. One potential form...

journal_title：General and comparative endocrinology

authors： Majchrzak YN,Mastromonaco GF,Korver W,Burness G

更新日期：2015-01-15 00:00:00

abstract：:GPR-30, now named as GPER (G protein-coupled estrogen receptor) was first identified as an orphan receptor and subsequently shown to be required for estrogen-mediated signaling in certain cancer cells. Later studies demonstrated that GPER has the characteristics of a high affinity estrogen membrane receptor on Atlanti...

journal_title：General and comparative endocrinology

authors： Majumder S,Das S,Moulik SR,Mallick B,Pal P,Mukherjee D

更新日期：2015-01-15 00:00:00

abstract：:Perchlorate, an environmental contaminant, disrupts normal functioning of the thyroid. We previously showed that perchlorate disrupts behavior and gonad development, and induces external morphological changes in a vertebrate model organism, the threespine stickleback. Whether perchlorate alters these phenotypes via a ...

journal_title：General and comparative endocrinology

authors： Petersen AM,Dillon D,Bernhardt RR,Torunsky R,Postlethwait JH,von Hippel FA,Loren Buck C,Cresko WA

更新日期：2015-01-01 00:00:00

abstract：:Gonadotropin-releasing hormone (GnRH) and its receptor are essential for reproduction in vertebrates. Although there are three major types of GnRH peptides and two major types of receptors in vertebrates, the pattern of distribution is unusual. Evidence is presented from genome mining that type I GnRHRs are not restri...

journal_title：General and comparative endocrinology

authors： Roch GJ,Busby ER,Sherwood NM

更新日期：2014-12-01 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：:Lampreys diverged from the jawed vertebrate lineage approximately 500million years ago. Lampreys undergo sex differentiation much later than most other vertebrates, and ovarian differentiation occurs several years before testicular differentiation. The genetic basis of lamprey sex differentiation is of particular inte...

journal_title：General and comparative endocrinology

authors： Spice EK,Whyard S,Docker MF

更新日期：2014-11-01 00:00:00

abstract：:In evolutionary endocrinology, there is a growing interest in the extent and basis of individual variation in endocrine traits, especially circulating concentrations of hormones. This is important because if targeted by selection, such individual differences present the opportunity for an evolutionary response to sele...

journal_title：General and comparative endocrinology

authors： Baugh AT,van Oers K,Dingemanse NJ,Hau M

更新日期：2014-11-01 00:00:00