abstract：:Receptors for LH (LHR) and FSH (FSHR) are expressed in the canine lower urinary tract (LUT). As gonadectomy results in an increase in plasma LH and FSH, the objective of this study was to determine whether there are any differences in the expression of LHR and FSHR in the LUT between intact and gonadectomised dogs. Fo...

journal_title：Domestic animal endocrinology

authors： Ponglowhapan S,Church DB,Khalid M

更新日期：2008-05-01 00:00:00

abstract：:In relevance to osmoregulatory and reproductive functions, activity of hypothalamic neurosecretory neurons may also vary seasonally. The current study was performed to determine annual changes in ir-AVT neurons of hypothalamus and adrenal gland function. We examined changes in ir-AVT neuron by immunohistochemical meth...

journal_title：Domestic animal endocrinology

authors： Singh S,Chaturvedi CM

更新日期：2008-04-01 00:00:00

abstract：:Pituitary-dependent hyperadrenocorticism (PDH) in dogs is caused by a pituitary corticotroph adenoma. Although PDH is a common disorder in dogs, little is known about the underlying pathogenesis. In the pituitary glands of humans and mice, the pro-opiomelanocortin (POMC)-expressing cell lineages, the corticotrophs and...

journal_title：Domestic animal endocrinology

authors： Hanson JM,Mol JA,Leegwater PA,Bilodeau S,Drouin J,Meij BP

更新日期：2008-04-01 00:00:00

abstract：:The present study examined, at identical daily nutrient intakes, the impact of separating protein and lactose intakes across two daily meals on the metabolic and endocrine status in heavy veal calves. Calves were assigned to one of six degrees of separating protein and lactose over the two meals (termed nutrient synch...

journal_title：Domestic animal endocrinology

authors： Vicari T,van den Borne JJ,Gerrits WJ,Zbinden Y,Blum JW

更新日期：2008-02-01 00:00:00

abstract：:Ghrelin is a gut peptide which participates in growth regulation through its somatotropic, lipogenic and orexigenic effects. Synergism of ghrelin and growth hormone-releasing hormone (GHRH) on growth hormone (GH) secretion has been reported in humans and rats, but not in domestic animals in vivo. In this study, effect...

journal_title：Domestic animal endocrinology

authors： ThidarMyint H,Yoshida H,Ito T,He M,Inoue H,Kuwayama H

更新日期：2008-01-01 00:00:00

abstract：:Water buffaloes are easily adaptable animals, whose raising and economical exploitation have been growing in the last three decades all over the world. Hyperstimulation of ovarian function in this species is a common technique aiming to improve reproductive performance. Superovulatory treatment affects corpus luteum (...

journal_title：Domestic animal endocrinology

authors： Papa PC,Moura CE,Artoni LP,Fátima LA,Campos DB,Marques JE Jr,Baruselli PS,Binelli M,Pfarrer C,Leiser R

更新日期：2007-11-01 00:00:00

abstract：:During the early postpartum period dairy cows mobilize fat and muscle to support lactation. This is associated with alterations in blood metabolite and hormone profiles which in turn influence milk yield and fertility. This study developed models to determine how metabolic traits, milk yield and body condition score w...

journal_title：Domestic animal endocrinology

authors： Wathes DC,Cheng Z,Bourne N,Taylor VJ,Coffey MP,Brotherstone S

更新日期：2007-08-01 00:00:00

abstract：:This is a test-report of ghrelin levels in plasma and proventriculus, the glandular portion of the avian stomach, by using a specific radioimmunoassay for acylated ghrelin, as well as the expression of the ghrelin gene in the proventriculus after a 12-h fasting period followed by a 6-h feeding period with 6-day-old la...

journal_title：Domestic animal endocrinology

authors： Kaiya H,Saito ES,Tachibana T,Furuse M,Kangawa K

更新日期：2007-05-01 00:00:00

abstract：:Adrenomedullin (AM) has been characterized as an endogenous tissue survival factor and modulator of many inflammatory processes. Because of the increased susceptibility of the mammary gland to infection during the time surrounding parturition in the cow, we investigated how milk and tissue content of AM and its bindin...

journal_title：Domestic animal endocrinology

authors： Elsasser TH,Capuco AV,Caperna TJ,Martínez A,Cuttitta F,Kahl S

更新日期：2007-02-01 00:00:00

abstract：:This study was designed to establish possible factors affecting plasma pregnancy-associated glycoprotein (PAG) concentrations during early pregnancy in high producing dairy cows with live fetuses. Blood samples were obtained on days 35, 42, 49, 56 and 63 of gestation from 80 lactating cows in two herds carrying live f...

journal_title：Domestic animal endocrinology

authors： López-Gatius F,Garbayo JM,Santolaria P,Yániz J,Ayad A,de Sousa NM,Beckers JF

更新日期：2007-01-01 00:00:00

abstract：:It is well established that GnRH can stimulate the release of LH and FSH in mammals. Two GnRHs have been found in the chicken hypothalamus, cGnRH-I and -II. There is controversy as to whether either peptide can stimulate release of FSH in birds. The present studies compared the ability of cGnRH-I and -II to stimulate ...

journal_title：Domestic animal endocrinology

authors： Proudman JA,Scanes CG,Johannsen SA,Berghman LR,Camp MJ

更新日期：2006-08-01 00:00:00

abstract：:In this study, the expression patterns of inhibins, activins, insulin-like growth factor-I (IGF-I) and steroidogenic enzymes in equine placentae recovered during the latter two-thirds of gestation were examined. Concentrations of inhibin A and inhibin pro-alphaC in endometrial and fetal placental tissue homogenates we...

journal_title：Domestic animal endocrinology

authors： Arai KY,Tanaka Y,Taniyama H,Tsunoda N,Nambo Y,Nagamine N,Watanabe G,Taya K

更新日期：2006-07-01 00:00:00

abstract：:Feline proinsulin was cloned and expressed using a bacterial expression system. It was then purified from inclusion bodies using size exclusion chromatography and further processed including reduction of the protein. Following refolding, proinsulin was purified by reversed-phase high-performance liquid chromatography ...

journal_title：Domestic animal endocrinology

authors： Hoenig M,Caffall ZF,McGraw RA,Ferguson DC

更新日期：2006-01-01 00:00:00

abstract：:The objective of the present study was to evaluate changes in concentrations of free insulin-like growth factor (IGF)-I in follicular fluid (FFL) during follicle development in the mare. Mares (n = 14) were classified as either in the follicular phase (n = 8) or luteal phase (n = 6). Follicles (n = 92) were categorize...

journal_title：Domestic animal endocrinology

authors： Spicer LJ,Santiago CA,Davidson TR,Bridges TS,Chamberlain CS

更新日期：2005-11-01 00:00:00

abstract：:Dairy cattle are susceptible to heat stress-induced reductions in fertility; however, direct effects of hyperthermia on specific reproductive functions are difficult to determine in vivo. The objective of this experiment was to examine the effect of elevated temperature in vitro on follicular steroidogenesis, to gain ...

journal_title：Domestic animal endocrinology

authors： Bridges PJ,Brusie MA,Fortune JE

更新日期：2005-10-01 00:00:00

abstract：:More than 80% of the milk stored in the udder, i.e. the alveolar fraction, only available after milk ejection is induced by the release of oxytocin and myoepithelial contraction. Milk ejection is induced by tactile teat stimulation, either manually or by the milking machine. The time from the start of a tactile stimul...

journal_title：Domestic animal endocrinology

authors： Bruckmaier RM

更新日期：2005-08-01 00:00:00

abstract：:Although prostaglandin (PG) F2alpha is known to be a principal luteolytic factor, its action on the bovine corpus luteum (CL) is mediated by other intra-ovarian factors. Tumor necrosis factor-alpha (TNFalpha) and its specific receptors are present in the bovine CL with the highest expressions at luteolysis. TNFalpha i...

journal_title：Domestic animal endocrinology

authors： Skarzynski DJ,Jaroszewski JJ,Okuda K

更新日期：2005-08-01 00:00:00

abstract：:The pituitary gland, occupying a central position in the hypothalamo-pituitary thyroidal axis, produces thyrotropin (TSH), which is known to stimulate the thyroid gland to synthetize and release its products, thyroid hormones. TSH is produced by a specific cell population in the pituitary, the so-called thyrotropes. T...

journal_title：Domestic animal endocrinology

authors： De Groef B,Vandenborne K,Van As P,Darras VM,Kühn ER,Decuypere E,Geris KL

更新日期：2005-07-01 00:00:00

abstract：:Leptin, mainly produced in adipose tissue (AT), is a protein involved in the central and/or peripheral regulation of body homeostasis, energy intake, storage and expenditure, fertility and immune functions. Its role is well documented in rodent and human species, but less in ruminants. This review is focused on some i...

journal_title：Domestic animal endocrinology

authors： Chilliard Y,Delavaud C,Bonnet M

更新日期：2005-07-01 00:00:00

abstract：:Our aim was to correlate the individual variation in the milk yield response (MYR) of Holstein dairy cows to bovine somatotropin (bST), with changes in milk plasmin and plasminogen activities as well as with plasma hormone and metabolite levels. Thirty-two housed multiparous Holstein cows (90 +/- 3.8 days post partum)...

journal_title：Domestic animal endocrinology

authors： Rose MT,Weekes TE,Rowlinson P

更新日期：2005-04-01 00:00:00

abstract：:The peroxisome proliferator-activated receptors (PPARs) are the members of superfamily of nuclear hormone receptors. A great number of studies in rodent and human have shown that PPARs were involved in the lipids metabolism. The goal of the current study was to investigate the expression pattern of PPAR genes in vario...

journal_title：Domestic animal endocrinology

authors： Meng H,Li H,Zhao JG,Gu ZL

更新日期：2005-01-01 00:00:00

abstract：:In ruminants, both milking frequency and exogenous GH treatment affect milk production. In a previous report, we showed that the modulation of milk yield due to variations in milking frequency and GH treatment was associated with variations in mammary cell numbers. The aim of this study was to clarify the different me...

journal_title：Domestic animal endocrinology

authors： Boutinaud M,Jammes H

更新日期：2004-11-01 00:00:00

abstract：:Remarkable diversity of size and health of offspring exists after normal pregnancies. When pregnancies are complicated by an extrinsic variable such as inappropriate maternal nutrition, birth weight and health of the neonate are substantially affected. The placenta is the organ through which respiratory gases, nutrien...

journal_title：Domestic animal endocrinology

authors： Redmer DA,Wallace JM,Reynolds LP

更新日期：2004-10-01 00:00:00

abstract：:Gestagens and oestrogens are important regulators of pregnancy and parturition. The aim of the present study was the comparative quantification of steroidogenic transcripts in placenta and corpus luteum of cattle and sheep during pregnancy and post partum. Cyp19 transcript variants, derived from different promoters, a...

journal_title：Domestic animal endocrinology

authors： Vanselow J,Fürbass R,Rehbock F,Klautschek G,Schwerin M

更新日期：2004-08-01 00:00:00

abstract：:Measurement of plasma osmolality (Posm) and plasma vasopressin (VP) concentration in response to hypertonicity is regarded as the gold standard for the assessment of VP release in polyuric conditions. Yet the interpretation of the VP curve as a function of Posm may be hampered by the occurrence of VP pulses. To determ...

journal_title：Domestic animal endocrinology

authors： van Vonderen IK,Wolfswinkel J,Oosterlaken-Dijksterhuis MA,Rijnberk A,Kooistra HS

更新日期：2004-07-01 00:00:00

abstract：:The embryo of the domestic fowl (Gallus domesticus) tenders one distinctive advantage over general mammalian models for investigating the development of the hypothalamo-pituitary-adrenocortical (HPA) axis. This is the relative simplicity with which the embryonic endocrine environment can be influenced without confound...

journal_title：Domestic animal endocrinology

authors： Jenkins SA,Porter TE

更新日期：2004-05-01 00:00:00

abstract：:beta-Adrenergic receptor (beta-AR) agonists increase muscle mass and decrease body fat in rodents and livestock. With oral administration, however, the effects of beta1-AR and beta2-AR can be different, depending on the species tested. We tested the effects of clenbuterol, a beta2-AR agonist, and ractopamine, a beta1/...

journal_title：Domestic animal endocrinology

authors： Page KA,Hartzell DL,Li C,Westby AL,Della-Fera MA,Azain MJ,Pringle TD,Baile CA

更新日期：2004-01-01 00:00:00

abstract：:The relationships among hepatic corticosteroid-binding globulin (CBG) mRNA expression and plasma concentrations of cortisol and CBG was evaluated in fetal pigs (n=7-14 per age) on days 50, 70, 80, 90, and 104 of gestation and postnatal pigs (n=8 per age) on days 1, 3, 10, 20, 30, and 40 following birth. In fetal pigs,...

journal_title：Domestic animal endocrinology

authors： Heo J,Kattesh HG,Roberts MP,Schneider JF

更新日期：2003-10-01 00:00:00

abstract：:Sex steroid hormones such as testosterone have widespread effects on brain physiology and function but one of their best characterized effects arguably involves the activation of male sexual behavior. During the past 20 years we have investigated the testosterone control of male sexual behavior in an avian species, th...

journal_title：Domestic animal endocrinology

authors： Balthazart J,Baillien M,Charlier TD,Cornil CA,Ball GF

更新日期：2003-07-01 00:00:00

abstract：:The objectives of this study were to develop an assay for the direct measure of porcine corticosteroid-binding globulin (pCBG) and to confirm age-related changes in plasma pCBG concentration. Isolation and purification of pCBG from plasma was performed by affinity chromatography and HPLC-DEAE anion exchange techniques...

journal_title：Domestic animal endocrinology

authors： Roberts MP,Kattesh HG,Baumbach GA,Gillespie BE,Godkin JD,Schneider JF,Saxton AM

更新日期：2003-05-01 00:00:00

abstract：:The objective was to evaluate the effects of perinatal dexamethasone (Dex) treatment on postnatal growth in pigs. Experiment 1: 42 piglets were assigned according to birth weight and sex to receive either Dex (1 mg/kg body weight) or sterile saline (Control; equivalent volume) i.m. within 1h of birth. Body weights wer...

journal_title：Domestic animal endocrinology

authors： Seaman-Bridges JS,Carroll JA,Safranski TJ,Berg EP

更新日期：2003-04-01 00:00:00

abstract：:Leptin, a 16kDa product of the adipose obese (ob) gene, has been shown to contribute to the regulation of energy metabolism, feeding behavior, and reproduction in several monogastric species, including humans. Recent reports have provided evidence that the leptin gene is functionally relevant in cattle and sheep, and ...

journal_title：Domestic animal endocrinology

authors： Williams GL,Amstalden M,Garcia MR,Stanko RL,Nizielski SE,Morrison CD,Keisler DH

更新日期：2002-07-01 00:00:00

abstract：:Nutrition has long been known to have a profound influence on reproductive performance of female cattle, but the underlying mechanism remains poorly understood. Whilst early investigations focused on the modulation of nutrition on hypothalamic-pituitary axis, more recent studies have tested the hypothesis that metabol...

journal_title：Domestic animal endocrinology

authors： Gong JG

更新日期：2002-07-01 00:00:00

abstract：:The identification of hormones and regulatory factors in colostrum and milk has led to intensive investigations on their roles in the development and maintenance of the mammary and neonatal tissues. Insulin-like growth factors (IGFs) and IGF binding proteins (IGFBPs) in transgenic mice influence mammary biology gland ...

journal_title：Domestic animal endocrinology

authors： Blum JW,Baumrucker CR

更新日期：2002-07-01 00:00:00

abstract：:This study was performed to determine whether in dogs with pituitary-dependent hyperadrenocorticism (PDH) excessive release of adrenocorticotrophic hormone (ACTH) is accompanied by secretion of ACTH precursor molecules. In addition, we investigated whether the plasma ACTH precursor concentrations were correlated with ...

journal_title：Domestic animal endocrinology

authors： Bosje JT,Rijnberk A,Mol JA,Voorhout G,Kooistra HS

更新日期：2002-06-01 00:00:00

abstract：:Since its discovery in 1994, leptin, a protein hormone synthesized and secreted by adipose tissue, has been shown to regulate feed intake in several species including sheep and pigs. Although a nimiety of information exists regarding the physiological role of leptin in rodents and humans, the regulation and action of ...

journal_title：Domestic animal endocrinology

authors： Spicer LJ

更新日期：2001-11-01 00:00:00

abstract：:The objective of the present study was to determine if dexamethasone (Dex; a potent synthetic glucocorticoid) treatment at birth would alter postnatal growth in neonatal pigs. Forty crossbred pigs were injected i.m. with either sterile saline (Cont; n = 10 males and 10 females) or Dex (1 mg/kg; n = 10 males and 10 fem...

journal_title：Domestic animal endocrinology

authors： Carroll JA

更新日期：2001-08-01 00:00:00

abstract：:The present study was conducted to evaluate changes in follicular fluid (FF) insulin-like growth factor binding protein (IGFBP) proteolytic activity and levels of steroids and IGFBP during follicular development in cattle. Estrous cycles of cows were synchronized with two injections of prostaglandin F2alpha (PGF) 11 d...

journal_title：Domestic animal endocrinology

authors： Spicer LJ,Chamberlain CS,Morgan GL

更新日期：2001-07-01 00:00:00

abstract：:The effect of endotoxin on follicular growth and on secretion of LH, estradiol-17beta, progesterone and cortisol during the proestrous phase in cattle was investigated. Holstein heifers were treated with PGF2alpha at 11-13 d after ovulation to induce luteolysis. At 42 hr after PGF2alpha treatment, heifers were adminis...

journal_title：Domestic animal endocrinology

authors： Suzuki C,Yoshioka K,Iwamura S,Hirose H

更新日期：2001-05-01 00:00:00

abstract：:The feline thyroglobulin promoter was identified by a combination of standard polymerase chain reaction (PCR) techniques, using primers designed according to regions of homology in published sequences from other species, then adaptor ligated PCR. A 310 bp fragment of the feline thyroglobulin promoter was generated, in...

journal_title：Domestic animal endocrinology

authors： Blackwood L,Onions DE,Argyle DJ

更新日期：2001-04-01 00:00:00