Sex differences in the regulation of oxytocin receptors by ovarian steroids in the ventromedial hypothalamus of the rat.

abstract：:A double immunocytochemical procedure, with two different chromogens, was used to compare the respective distribution of estrogen receptor-immunoreactive cells and tyrosine hydroxylase-immunoreactive neurons on the same sections of the preoptic region of adult female rainbow trout (Oncorhynchus mykiss). Estrogen recep...

journal_title：Neuroendocrinology

authors： Linard B,Anglade I,Corio M,Navas JM,Pakdel F,Saligaut C,Kah O

更新日期：1996-02-01 00:00:00

abstract：:To examine the role of excitatory amino acid neurotransmitters in the regulation of LH and FSH secretion in ovariectomized (ovx) adult rats treated with estradiol and progesterone, we measured the release rates of the excitatory amino acid neurotransmitters, glutamate and aspartate, as well as the neurally inactive am...

journal_title：Neuroendocrinology

authors： Ping L,Mahesh VB,Wiedmeier VT,Brann DW

更新日期：1994-04-01 00:00:00

abstract：:Avian prolactin (PRL) secretion is regulated by vasoactive intestinal peptide (VIP) neurons residing in the infundibular nuclear complex (INF) of the hypothalamus. This VIPergic activity is modulated by stimulatory dopaminergic inputs. Dynorphin, serotonin (5-HT), dopamine (DA) and VIP all appear to stimulate PRL secr...

journal_title：Neuroendocrinology

authors： Youngren O,Chaiseha Y,Al-Zailaie K,Whiting S,Kang SW,El Halawani M

更新日期：2002-03-01 00:00:00

abstract：:Interactions between the hypothalamic-pituitary-adrenocortical (HPA) system and melatonin secretion have been demonstrated, but only the effects of melatonin on the activity of the HPA system have been studied in man. Alterations of melatonin secretion described as low-melatonin syndrome have been demonstrated in pati...

journal_title：Neuroendocrinology

authors： Kellner M,Yassouridis A,Manz B,Steiger A,Holsboer F,Wiedemann K

更新日期：1997-04-01 00:00:00

abstract：:The purpose of the present study was to examine whether repetitive intravenous injections of L-glutamic acid (Glu), like those of N-methyl-D,L-aspartic acid (NMA), are able to elicit a sustained train of gonadotropin releasing hormone (GnRH) discharges from the hypothalamus of the prepubertal male monkey. In order to ...

journal_title：Neuroendocrinology

authors： Medhamurthy R,Gay VL,Plant TM

更新日期：1992-06-01 00:00:00

abstract：:Recent work has demonstrated that the brain has the capacity to synthesize impressive amounts of the gases nitric oxide (NO) and carbon monoxide (CO). There is growing evidence that these gaseous molecules function as novel neural messengers in the brain. This article reviews the pertinent literature concerning the pu...

journal_title：Neuroendocrinology

authors： Brann DW,Bhat GK,Lamar CA,Mahesh VB

更新日期：1997-06-01 00:00:00

abstract：:A reproductive facet of ghrelin, a stomach-derived orexigenic peptide involved in energy homeostasis, has been recently suggested, and predominantly inhibitory effects of ghrelin upon luteinizing hormone (LH) secretion have been demonstrated in rat models. Yet, the modulatory actions of ghrelin on the gonadotropic axi...

journal_title：Neuroendocrinology

authors： Fernández-Fernández R,Tena-Sempere M,Navarro VM,Barreiro ML,Castellano JM,Aguilar E,Pinilla L

更新日期：2005-01-01 00:00:00

abstract：:Prolactin-releasing (PRF) activity was found in Pitressin (a commercial extract from posterior pituitary for vasopressin). Injection of Pitressin into conscious free-moving rats implanted with a permanent atrial indwelling cannula, produced a transient increase in prolactin concentration in the circulation. In order t...

journal_title：Neuroendocrinology

authors： Shin SH

更新日期：1982-01-01 00:00:00

abstract：:In the course of the search for the prolactin-releasing factor (PRF), we noticed that the posterior pituitary contained strong PRF activity and subsequently traced this activity to that of bovine neurophysin-II (NP-II). NP-II prepared in our lab was judged to be a homogeneous preparation according to Sephadex G-75 gel...

journal_title：Neuroendocrinology

authors： Shin SH,Obonsawin MC

更新日期：1985-10-01 00:00:00

abstract：:The role of endogenous opiate peptides in the mesencephalic central gray (MCG) and their possible interactions with gonadotropin-releasing hormone (GnRH) in the regulation of lordosis behavior was assessed in ovariectomized, estrogen-treated and estrogen-progesterone-treated female rats. Lordosis behavior triggered by...

journal_title：Neuroendocrinology

authors： Sirinathsinghji DJ

更新日期：1984-09-01 00:00:00

abstract：:Neuroanatomical attempts have been made to determine the synapses between luteinizing hormone-releasing hormone (LHRH)-containing neurons and substance P (SP)-containing neurons in the hypothalamus of female rats. Wheat germ agglutinin was injected into the septo-preoptic area (SPA) and found to be incorporated into c...

journal_title：Neuroendocrinology

authors： Tsuruo Y,Kawano H,Hisano S,Kagotani Y,Daikoku S,Zhang T,Yanaihara N

更新日期：1991-03-01 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：:Progesterone is readily reduced in humans to its A-ring metabolites, allopregnanolone (3 alpha-hydroxy-5 alpha-pregnan-20-one) and pregnanolone (3 alpha-hydroxy-5 beta-pregnan-20-one). The latter have been reported to have anxiolytic, hypnotic and anesthetic actions when administered to laboratory animals and (or) hum...

journal_title：Neuroendocrinology

authors： Freeman EW,Purdy RH,Coutifaris C,Rickels K,Paul SM

更新日期：1993-10-01 00:00:00

abstract：:Brain sexual differentiation is mediated through testosterone, which acts during the perinatal period in the form of both 5alpha-dihydrotestosterone and estradiol. In order to gain insight into the molecular mechanisms involved, we studied induction of c-fos, an index of functional neuronal activation, in the 2-day-ol...

journal_title：Neuroendocrinology

authors： Giannakopoulou M,Bozas E,Philippidis H,Stylianopoulou F

更新日期：2001-06-01 00:00:00

abstract：:The electrical properties of GH3 cells, a transformed line from the rat pituitary, were studied with a current-clamp technique in the presence of triiodothyronine (T3) and reverse triiodothyronine (rT3) and compared with the known effects of T3. rT3 had an effect only in a concentration of 1 microM; action potentials ...

journal_title：Neuroendocrinology

authors： du Pont JS

更新日期：1991-08-01 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：:Diurnal variations, ranging over a twofold difference in concentrations of dopamine, norepinephrine and epinephrine, occur in the rat posterior pituitary gland during a 24-hour period. Highest catecholamine concentrations were seen during daylight hours and low levels reached a nadir 5 h after the onset of darkness. D...

journal_title：Neuroendocrinology

authors： Barden N,Chevillard C,Saavedra JM

更新日期：1982-02-01 00:00:00

abstract：INTRODUCTION:Pituitary neuroendocrine tumors (PitNETs), the most abundant of all intracranial tumors, entail severe comorbidities. First-line therapy is transsphenoidal surgery, but subsequent pharmacological therapy is often required. Unfortunately, many patients are/become unresponsive to available drugs (somatostati...

journal_title：Neuroendocrinology

authors： Vázquez-Borrego MC,Fuentes-Fayos AC,Herrera-Martínez AD,Venegas-Moreno E,L-López F,Fanciulli A,Moreno-Moreno P,Alhambra-Expósito MR,Barrera-Martín A,Dios E,Blanco-Acevedo C,Solivera J,Granata R,Kineman RD,Gahete MD,Soto-Mor

更新日期：2020-01-01 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：INTRODUCTION:Small-intestinal neuroendocrine tumors (SI-NET) are situated preferentially within the ileum. The aim was to describe a potential difference in location between unifocal and multiple ileal-NET. METHODS:Between December 2010 and December 2019, all consecutive patients who underwent resection in our Europea...

journal_title：Neuroendocrinology

authors： Kalifi M,Walter T,Milot L,Hervieu V,Millot I,Gibert B,Roche C,Forestier J,Lombard-Bohas C,Pasquer A,Poncet G

更新日期：2020-09-30 00:00:00

abstract：:The pineal gland in the rat exhibits a diurnal rhythm in activity of the enzyme serotonin N-acetyltransferase (N-AT) with peak values during the dark period of a diurnal lighting schedule approximately 100-fold those during the light period. After blinding the rhythm becomes free-running. It is abolished by partial hy...

journal_title：Neuroendocrinology

authors： Moore RY,Traynor ME

更新日期：1976-01-01 00:00:00

abstract：:The aim of this study was to examine the occurrence of endogenous oscillations of Per1, Per2, Bmal1 and Rev-erbα genes in rat pineal explants and to investigate their regulation by adrenergic ligands. Our results show a significant and sustained rhythm of Per2,Bmal1 and Rev-erbα gene expression for up to 48 h in cultu...

journal_title：Neuroendocrinology

authors： Wongchitrat P,Felder-Schmittbuhl MP,Govitrapong P,Phansuwan-Pujito P,Simonneaux V

更新日期：2011-01-01 00:00:00

abstract：:Autoradiographic methods were used to study the location of estrogen-concentrating cells in the brain of the female hamster. In the hypothalamus, well-labelled cells were reliably found in the posterior medial preoptic area (MPOA), the anterior hypothalamus (AHA), and the ventromedial (VM), arcuate (ARC) and ventral p...

journal_title：Neuroendocrinology

authors： Krieger MS,Morrell JI,Pfaff DW

更新日期：1976-01-01 00:00:00

abstract：:The neurohypophysial peptide hormone [Arg8]vasopressin (AVP) has well documented pressor effects in the periphery. These are mediated by vasopressin receptors (VPRs) of the V1a subtype, expressed by vascular smooth muscle cells, which induce vascular contraction when activated. AVP also has effects on the vasculature ...

journal_title：Neuroendocrinology

authors： Sermasi E,Howl J,Pyner S,Wheatley M,Coote JH

更新日期：1995-12-01 00:00:00

abstract：:Neuroendocrine mechanisms governing growth hormone (GH) secretion are sensitive to nutritional status since the normal pulsatile pattern of GH release is disrupted during conditions of food deprivation or malnutrition. A reasonable hypothesis for this occurrence is the alteration of somatostatin and GH-releasing hormo...

journal_title：Neuroendocrinology

authors： Brogan RS,Fife SK,Conley LK,Giustina A,Wehrenberg WB

更新日期：1997-02-01 00:00:00

abstract：:The present study was designed to investigate the role of glucocorticoids in mediating the stimulatory effect of interleukin-1 (IL-1) upon the adrenocortical (AC) axis. Intact male rats were injected with either vehicle or dexamethasone (DEX) (5-50 micrograms/100 g b.w.) and were subsequently exposed to ether stress o...

journal_title：Neuroendocrinology

authors： Weidenfeld J,Abramsky O,Ovadia H

更新日期：1989-12-01 00:00:00

abstract：:In experiment I we studied the capacity of progesterone (P) and two nonsteroidal agents that activate lordosis, but do not bind to the progestin receptor (PR), i.e. luteinizing hormone-releasing hormone (LHRH) and prostaglandin E2 (PGE2) to induce sequential inhibition (SI) in ovariectomized estradiol-primed rats. The...

journal_title：Neuroendocrinology

authors： González-Mariscal G,Melo AI,Beyer C

更新日期：1993-05-01 00:00:00

abstract：:Accumulating evidence in rodents suggests that a prolactin locally synthesized and released within the brain can act together with that taken up from the circulation to modulate neuroendocrine responses. The present study was designed to identify the regional patterns of prolactin expression in the adult and developin...

journal_title：Neuroendocrinology

authors： Roselli CE,Bocklandt S,Stadelman HL,Wadsworth T,Vilain E,Stormshak F

更新日期：2008-01-01 00:00:00

abstract：:Lactotrophs, gonadotrophs, thyrotrophs and somatotrophs of the rat anterior pituitary (AP) express 68-kDa neurofilaments (NF68) and other neuronal markers. NF68 expression in the AP appears to be estrogen-dependent, but its significance is unknown. The aims of this work were: (1) to establish the expression pattern of...

journal_title：Neuroendocrinology

authors： Fiordelisio T,Millán-Aldaco D,Hernández-Cruz A

更新日期：2006-01-01 00:00:00

abstract：:The effects of ablation of the nucleus medianus on drinking and vasopressin secretion were studied in male Long-Evans rats. The amount of water drunk in 1 h was assessed after subcutaneous injection of 5.8% NaCl (13.34 mosm/kg) or of angiotensin II (1.5 mg/kg). In a separate test with no water available, plasma vasopr...

journal_title：Neuroendocrinology

authors： Mangiapane ML,Thrasher TN,Keil LC,Simpson JB,Ganong WF

更新日期：1983-07-01 00:00:00