Age-dependent changes in the mechanisms controlling prolactin secretion and phosphatidylinositol turnover in male rats: effect of phosphatidylserine.

abstract：:In addition to its traditional role as a circulating vasoactive peptide, vasopressin (VP) has been shown to play significant roles in central cardiovascular processing. The recent description of VP receptors within the subfornical organ (SFO) has suggested this circumventricular organ (CVO) as a potential locus for fe...

journal_title：Neuroendocrinology

authors： Smith PM,Ferguson AV

更新日期：1997-08-01 00:00:00

abstract：:The effects of linear (L) or cyclic (C) somatostatin (SRIF) on the release of growth hormone (GH) as measured both by bioassay and by radioimmunoassay (RIA) were studied in a series of incubation experiments with rat adenohypophyses. Although both forms of SRIF inhibited release of RIA-GH in all experiments, only C-SR...

journal_title：Neuroendocrinology

authors： Russell SM

更新日期：1981-08-01 00:00:00

abstract：:The mechanisms by which leptin influences energy homeostasis are not entirely understood. Several observations indicate that proopiomelanocortin (POMC) is involved in the regulation of food intake and may be a mediator of leptin action. To further study this interaction, a sensitive solution hybridization assay was us...

journal_title：Neuroendocrinology

authors： Korner J,Chua SC Jr,Williams JA,Leibel RL,Wardlaw SL

更新日期：1999-12-01 00:00:00

abstract：:In the present study we utilized the 7315a PRL- and ACTH-secreting tumor to induce a hyperprolactinemic (HP) state sufficient to profoundly suppress the postcastration LH rise in female rats. Tumor-induced prolactin levels which ranged 2,000-3,000 ng/ml substantially reduced the LH rise in both ovariectomized (OVX) an...

journal_title：Neuroendocrinology

authors： Shu C,Selmanoff M

更新日期：1991-09-01 00:00:00

abstract：:Pulsatile gonadotropin-releasing hormone (GnRH) release from the median eminence is critical for the appropriate function of the pituitary gonadotropes and for the generation of a preovulatory gonadotropin surge. The mechanisms by which many GnRH axon terminals are synchronized to release GnRH in a coordinated fashion...

journal_title：Neuroendocrinology

authors： Hosny S,Jennes L

更新日期：1998-02-01 00:00:00

abstract：:To gain further insight into the regulation of hypothalamic TRH by thyroid hormones, we measured TRH concentration in specific hypothalamic nuclei and preproTRH mRNA levels in the anterior hypothalamus. Adult male rats were decapitated 1, 7, 14 days after thyroidectomy. Micropunches by the method of Palkovitz from sev...

journal_title：Neuroendocrinology

authors： Yamada M,Satoh T,Monden T,Murakami M,Iriuchijima T,Wilber JF,Mori M

更新日期：1992-03-01 00:00:00

abstract：:Bromocriptine or other dopamine agonists are usually effective for the treatment of prolactin-secreting adenomas. Five to 18% of prolactinomas, however, do not respond to such therapy. We have shown previously that such resistance to bromocriptine correlates with reduced binding to the D2 receptor subtype of dopamine,...

journal_title：Neuroendocrinology

authors： Caccavelli L,Feron F,Morange I,Rouer E,Benarous R,Dewailly D,Jaquet P,Kordon C,Enjalbert A

更新日期：1994-09-01 00:00:00

abstract：:Knowledge of specific neurotransmitters as well as the pathways and mechanisms regulating appetite in ruminants that continually graze, such as sheep, is incomplete. Although fundamentally agouti-related protein (AGRP) has a similar function across species to increase food intake, the regulation of AGRP may vary acros...

journal_title：Neuroendocrinology

authors： Wagner CG,McMahon CD,Marks DL,Daniel JA,Steele B,Sartin JL

更新日期：2004-01-01 00:00:00

abstract：:It is now well documented that various polyclonal antisera to the human growth hormone-releasing factor (hGHRF, somatocrinin) visualize in the brain by immunohistochemistry the classical hypothalamic hypophysiotropic neurons and also antigens present in otherwise characterized peptidergic neuronal systems. The nature ...

journal_title：Neuroendocrinology

authors： Ciofi P,Tramu G,Bloch B

更新日期：1990-04-01 00:00:00

abstract：:Over the last 10 years, kisspeptins--peptide products of varying lengths encoded by the KISS1 gene--have been found to be key regulators of normal reproductive function throughout life in animals and humans. By activating the kisspeptin receptor [previously known as orphan G protein-coupled receptor 54 (GPR54)], they ...

journal_title：Neuroendocrinology

authors： Prague JK,Dhillo WS

更新日期：2015-01-01 00:00:00

abstract：:Prolactin release from primary cultured pituitary cells was investigated using a dynamic perifusion system. Although epinephrine (1 mumol/l) produced an elevation in the mean value of the prolactin concentration at the onset of the perifusion, the elevation was not statistically significant, and the overall effect of ...

journal_title：Neuroendocrinology

authors： Shin SH,Barton RE

更新日期：1993-04-01 00:00:00

abstract：:Pituitary adenylate cyclase-activating polypeptide (PACAP) receptors were characterized and their function investigated in mouse pituitary neurointermediate lobe explants. We show that mouse neurointermediate lobes can be maintained for up to 1 month in defined medium. After 8 days in culture, these explants are devoi...

journal_title：Neuroendocrinology

authors： René F,Monnier D,Gaiddon C,Félix JM,Loeffler JP

更新日期：1996-07-01 00:00:00

abstract：:The present study was undertaken to evaluate the 24-hour periodicity in serum prolactin levels subsequent to transecting the ascending serotonergic system or ablating the suprachiasmatic nuclei (SCN) of adult (185 g) female rats. The ascending serotonergic system was transected at the level of the rostral mesencephalo...

journal_title：Neuroendocrinology

authors： Dunn JD,Johnson DC,Castro AJ,Swenson R

更新日期：1980-08-01 00:00:00

abstract：:Serum prolactin was measured in lightly etherized rats between 4 and 5 a.m. and between 11 a.m. and 12 noon at various times after operation in intact rats and rats that had been operated on. Serum prolactin was elevated in the late nocturnal samples from intact rats and this elevation was prevented by pinealectomy. W...

journal_title：Neuroendocrinology

authors： Ronnekleiv OK,McCann SM

更新日期：1975-01-01 00:00:00

abstract：:Primary cultures from fetal rat brain contain angiotensin II immunoreactivity in neurons. To study the origin of this immunoreactivity, primary cultures were incubated with [3H]-valine or [3H]-isoleucine. A time-dependent incorporation of radioactivity into immunoprecipitable angiotensin II was observed. Incubation of...

journal_title：Neuroendocrinology

authors： Raizada MK,Phillips MI,Gerndt JS

更新日期：1983-01-01 00:00:00

abstract：:To elucidate the mechanisms of the impaired pituitary response to growth hormone-releasing hormone (GHRH) in aged animals on a cellular basis, a reverse hemolytic plaque assay was performed on dispersed pituitary cells from young (8-month-old) and old (26-month-old) male F344 rats. The proportion of growth hormone (GH...

journal_title：Neuroendocrinology

authors： Shimokawa I,Higami Y,Okimoto T,Ikeda T

更新日期：1994-12-01 00:00:00

abstract：:The effects of intracerebroventricularly (i.c.v.) injected interleukin-1 beta (IL-1 beta: 1, 2.5, 10, and 25 ng) were studied on plasma growth hormone (GH) and prolactin (PRL) concentrations in freely moving rats chronically implanted with i.c.v. cannulas and intracardial catheters. Significant changes in PRL secretio...

journal_title：Neuroendocrinology

authors： Payne LC,Obal F Jr,Opp MR,Krueger JM

更新日期：1992-07-01 00:00:00

abstract：:In these three experiments, we investigated the effect of adrenalectomy and adrenal demedullation on the stress-induced impairment of long-term potentiation (LTP) in the rat hippocampal slice. In the first, adrenalectomy alone resulted in a significant reduction in LTP, while exposure to stress resulted in a further r...

journal_title：Neuroendocrinology

authors： Shors TJ,Levine S,Thompson RF

更新日期：1990-01-01 00:00:00

abstract：:We have examined the spinal cord for the presence of glucocorticoid-binding sites. For this purpose, cytosol from the spinal cord of adrenalectomized rats was incubated with (3H)-dexamethasone. Maximal binding was obtained after 20 h of incubation at 0 degree C in the presence of 20 mM molybdate, whereas at 20 degrees...

journal_title：Neuroendocrinology

authors： Orti E,Coirini H,De Nicola AF

更新日期：1985-03-01 00:00:00

abstract：:Acute electrolytic stimulation of the median raphe (MR) nucleus (MR Stim) between 13:00 and 16:00 h on proestrus blocked ovulation in 10 of the 21 rats tested, whereas all sham-treated (MR Sham, no current) animals ovulated normally (n = 12). MR Stim at 16:00 h on proestrus in individual cannulated rats 'turned off' t...

journal_title：Neuroendocrinology

authors： Barofsky AL

更新日期：1979-01-01 00:00:00

abstract：UNLABELLED:Mediobasal hypothalamic slices of adult ovariectomized (OVX) rats treated or not with 17 beta-estradiol (E2) were superfused in buffered (pH 7.2) Locke medium containing bacitracin. A 6-min pulse of K+ (56 m M) was less effective in releasing luteinizing hormone releasing hormone (LH-RH) from mediobasal hypo...

journal_title：Neuroendocrinology

authors： Drouva SV,Laplante E,Gautron JP,Kordon C

更新日期：1984-02-01 00:00:00

abstract：:These studies investigated the effect of aging on thyroid hormone regulation of beta-endorphin in rat corpus striatum and hypothalamus. In both brain areas, basal levels of beta-endorphin declined with age. In addition, age modified the response of beta-endorphin to thyroid hormone status. Hypothyroid rats aged 6 mont...

journal_title：Neuroendocrinology

authors： Gambert SR

更新日期：1981-02-01 00:00:00

abstract：:Previous reports have shown that dopamine (DA) in the zona incerta (ZI) has a stimulatory effect on gonadotrophin release. We have now investigated the possibility that steroids exert their feedback effects on the release of luteinizing hormone (LH) via catecholamine systems in the ZI. Since the same steroid regimes a...

journal_title：Neuroendocrinology

authors： Wilson CA,James MD,Grierson JP,Hole DR

更新日期：1991-02-01 00:00:00

abstract：:An initial study was performed to ascertain the effects of anisomycin, a reversible inhibitor of protein synthesis, on pulsatile luteinizing hormone (LH) release in adult, ovarietomized (OVX) rats. For this experiment, rats OVX 3-4 weeks earlier were fitted with indwelling atrial cannulae. On the next day (approximate...

journal_title：Neuroendocrinology

authors： DePaolo LV

更新日期：1989-07-01 00:00:00

abstract：:Molecules of astrocyte origin influence gonadotropin-releasing hormone (GnRH) release and GnRH neuronal growth and differentiation. Furthermore, type 1 astrocytes express steroid receptors, presenting the possibility that steroid actions on GnRH neurons might occur via astrocytes. Utilizing GT1-7 cells, a GnRH-secreti...

journal_title：Neuroendocrinology

authors： Zwain IH,Arroyo A,Amato P,Yen SS

更新日期：2002-06-01 00:00:00

abstract：:Immobilization of adult male rats resulted in concomitant, significant releases of prolactin (PRL) and oxytocin (OT). Naloxone (0.2 mg/kg, i.p.) administration 30 min prior to initiation of restraint resulted in a significant diminution of the PRL response to stress. On the other hand, a significant augmentation of OT...

journal_title：Neuroendocrinology

authors： Samson WK,McDonald JK,Lumpkin MD

更新日期：1985-01-01 00:00:00

abstract：:The release of endogenous noradrenaline in the anterior hypothalamus was studied with microdialysis perfusion in freely moving rats that were subjected to immobilization stress. Experiments were carried out in sham-adrenalectomized and adrenalectomized rats that were first given drinking water containing corticosteron...

journal_title：Neuroendocrinology

authors： Vetrugno GC,Lachuer J,Perego C,Miranda E,De Simoni MG,Tappaz M

更新日期：1993-05-01 00:00:00

abstract：:In 2016, the third version of guidelines for the diagnosis and treatment of neuroendocrine tumors (NETs) has been published by the European Neuroendocrine Tumor Society (ENETS). These guidelines reflect the progress in treatment of NETs, and by comparing the newest guidelines with the first guidelines of 2001, this pr...

journal_title：Neuroendocrinology

authors： Zandee WT,de Herder WW

更新日期：2018-01-01 00:00:00

abstract：:Visual average evoked responses (AERs) to 4 intensities of light were studied in 5 patients with adrenal cortical insufficiency. Patients were tested off all medications, on ACTH while off all medications, and during replacement with carbohydrate-active steroids. Off treatment, when steroid levels were low, AERs were ...

journal_title：Neuroendocrinology

authors： Buchsbaum MS,Henkin RI

更新日期：1975-01-01 00:00:00

abstract：INTRODUCTION:Acromegaly is commonly complicated by arthropathy and skeletal fragility with high risk of vertebral fractures (VFs). OBJECTIVE:This study aimed to assess whether VFs may be associated with sagittal spine deformities, arthropathy, impaired quality of life (QoL), pain and disability. METHODS:Thirty-eight ...

journal_title：Neuroendocrinology

authors： Cellini M,Biamonte E,Mazza M,Trenti N,Ragucci P,Milani D,Ferrante E,Rossini Z,Lavezzi E,Sala E,Mantovani G,Arosio M,Fornari M,Balzarini L,Lania AG,Mazziotti G

更新日期：2020-09-25 00:00:00