A hypothalamic-testicular neural pathway is influenced by brain catecholamines, but not testicular blood flow.

abstract：:The expression of short-chain fatty acid receptors GPR41/FFAR3 and GPR43/ free fatty acid receptor 2 (FFAR2) was studied in the gastrointestinal tract of transgenic monomeric red fluorescent protein (mRFP) reporter mice. In the stomach free fatty acid receptor 3 (FFAR3)-mRFP was expressed in a subpopulation of ghrelin...

journal_title：Endocrinology

authors： Nøhr MK,Pedersen MH,Gille A,Egerod KL,Engelstoft MS,Husted AS,Sichlau RM,Grunddal KV,Poulsen SS,Han S,Jones RM,Offermanns S,Schwartz TW

更新日期：2013-10-01 00:00:00

abstract：:The in vitro production of total corticosteroids, corticosterone (B), and cortisol (F) by cultured adrenocortical cells from fetuses (115-120 days old) and newborn lambs exposed to ACTH-(1-24) was investigated in relation to the time of culture. Corticosteroids were measured by using an antibody against F, whereas B a...

journal_title：Endocrinology

authors： Durand P,Cathiard AM,Saez JM

更新日期：1984-04-01 00:00:00

abstract：:A transient increase in serum progesterone concentrations (to 1 ng/ml for 1-2 days) is observed in the majority of ewes before the first estrous cycle of the breeding season. To determine whether such a brief antecedent rise in progesterone ensures initiation of a full-length cycle by the next LH surge, synthetic GnRH...

journal_title：Endocrinology

authors： Legan SJ,I'Anson H,Fitzgerald BP,Akaydin MS Jr

更新日期：1985-10-01 00:00:00

abstract：:Posttranslational processing of proadrenomedullin generates two biologically active peptides, adrenomedullin (AM) and proadrenomedullin N-terminal 20 peptide (PAMP). Sequence comparison of homologous proadrenomedullin genes in vertebrate evolution shows a high degree of stability in the reading frame for AM, whereas P...

journal_title：Endocrinology

authors： Martínez A,Bengoechea JA,Cuttitta F

更新日期：2006-07-01 00:00:00

abstract：:The human estrogen receptor alpha (ERalpha) and the recently identified ERbeta share a high degree of amino acid homology; however, there are significant differences in regions of these receptors that would be expected to influence transcriptional activity. Consequently, we compared the mechanism(s) by which these rec...

journal_title：Endocrinology

authors： Hall JM,McDonnell DP

更新日期：1999-12-01 00:00:00

abstract：:We have recently demonstrated that GnRH-stimulated gonadotropin secretion is augmented by coadministration with neuropeptide-Y (NPY) in anterior pituitaries removed in the afternoon from proestrous, but not metestrous, rats. To test the hypothesis that these effects of NPY are due to an interaction with progesterone (...

journal_title：Endocrinology

authors： Knox KL,Bauer-Dantoin AC,Levine JE,Schwartz NB

更新日期：1995-01-01 00:00:00

abstract：:Germ cells were isolated from 30-day-old rat testes and purified by a Percoll gradient. Germ cells were cultured for 24 h to eliminate contaminant cells by utilizing the property of many nongerm cells of attaching to plastic surfaces. Germ cells were subsequently seeded on top of 7-day-old Sertoli cell monolayers. RNA...

journal_title：Endocrinology

authors： Rivarola MA,Sanchez P,Saez JM

更新日期：1985-11-01 00:00:00

abstract：:The present experiments examined the relationship between cholera toxin and TSH stimulation of the adenylate cyclase system in bovine thyroid tissue. Preincubation of thyroid slices for 20 min at 4 C with a maximal concentration of cholera toxin (100 microgram/ml) did not impair the subsequent stimulation of cAMP by s...

journal_title：Endocrinology

authors： Holmes SD,Titus G,Chou M,Field JB

更新日期：1980-12-01 00:00:00

abstract：:Ghrelin is more effective than GHRH in stimulating GH release in normal adult humans and monkeys in vivo. This robust effect of ghrelin has been largely attributed to regulation of hypothalamic input, whereas the direct effect of ghrelin on pituitary GH release has been minimized by the observation that ghrelin has on...

journal_title：Endocrinology

authors： Kineman RD,Luque RM

更新日期：2007-09-01 00:00:00

abstract：:The ALP1 [aci-reductone dioxygenase (ARD)-like protein 1] gene was identified in a comprehensive cDNA subtraction aimed at identifying genes regulated by androgens in the rat ventral prostate. ALP1 is homologous to the ARD/ARD' that were discovered in Klebsiella pneumoniae as enzymes that have the same polypeptide seq...

journal_title：Endocrinology

authors： Oram S,Jiang F,Cai X,Haleem R,Dincer Z,Wang Z

更新日期：2004-04-01 00:00:00

abstract：:GnRH autoregulates GnRH neurons through an ultrashort feedback loop. One potential mechanism is the regulation of K(+) channel activity through the GnRH receptor. Whereas GnRH inhibits the activity of the M-current in peripheral neurons, there is no direct evidence that the M-current is involved in the autoregulatory ...

journal_title：Endocrinology

authors： Xu C,Roepke TA,Zhang C,Rønnekleiv OK,Kelly MJ

更新日期：2008-05-01 00:00:00

abstract：:Thyroid hormone (T3) is required for postnatal skeletal growth. It exerts its effect by binding to nuclear receptors, TRs including TRα1 and TRβ1, which are present in most cell types. These cell types include chondrocytes and osteoblasts, the interactions of which are known to regulate endochondral bone formation. In...

journal_title：Endocrinology

authors： Desjardin C,Charles C,Benoist-Lasselin C,Riviere J,Gilles M,Chassande O,Morgenthaler C,Laloé D,Lecardonnel J,Flamant F,Legeai-Mallet L,Schibler L

更新日期：2014-08-01 00:00:00

abstract：:Calcium (Ca2+) ionophore A23187 increased the intracellular cAMP content and PRL release in normal rat anterior pituitary cells. Cotreatment with dopamine reduced both control and A23187-stimulated cAMP accumulation and PRL release. The dopamine antagonist spiperone restored the response of cAMP to ionophoric stimulat...

journal_title：Endocrinology

authors： Schettini G,Cronin MJ,MacLeod RM

更新日期：1983-05-01 00:00:00

abstract：:CRF dose-dependently enhanced corticosterone (B) secretion by rat adrenal slices including both cortex and medulla. Conversely, CRF did not exert any B response by fragments of adrenocortical autotransplants, which are completely deprived of chromaffin tissue. However, autotransplant quarters exhibited a dose-dependen...

journal_title：Endocrinology

authors： Andreis PG,Neri G,Mazzocchi G,Musajo F,Nussdorfer GG

更新日期：1992-07-01 00:00:00

abstract：:Insulin-like growth factor (IGF)-binding protein-3 (IGFBP-3), the predominant IGF carrier protein in circulation, is posttranslationally modified in vivo by IGFBP-3 protease(s) into a number of fragments. Based on the ascertained and predicted recognition sites for known IGFBP-3 proteases, FLAG-epitope tagged intact I...

journal_title：Endocrinology

authors： Devi GR,Yang DH,Rosenfeld RG,Oh Y

更新日期：2000-11-01 00:00:00

abstract：:Modulation of activin and other TGF beta superfamily signaling is the primary mechanism of action for both follistatin (FS) and FS-like 3 (FSTL-3). However, most studies of these ligands use activin A due to its wide availability. We have now tested the ability of FS288 and FSTL-3 to bind and neutralize activin B rela...

journal_title：Endocrinology

authors： Schneyer A,Schoen A,Quigg A,Sidis Y

更新日期：2003-05-01 00:00:00

abstract：:Synthetic glucocorticoids (GCs), including dexamethasone (DEX), are powerful anti-inflammatory drugs. Long-term use of GCs, however, can result in metabolic side effects such as hyperglycemia, hepatosteatosis, and insulin resistance. The GC receptor (GR) and liver X receptors (LXRα and LXRβ) regulate overlapping genes...

journal_title：Endocrinology

authors： Patel R,Magomedova L,Tsai R,Angers S,Orellana A,Cummins CL

更新日期：2017-04-01 00:00:00

abstract：:In a previous paper, we demonstrated that an inhibitory action of excess iodide on thyrotropin-induced thyroid hormone secretion occurs at a site subsequent to the generation of cyclic AMP. In the present study, however, we have found that thyroidal cyclic AMP formation induced by thyrotropin in vitro was markedly inh...

journal_title：Endocrinology

authors： Hashizume K,Akasu F,Takazawa K,Endo W,Onaya T

更新日期：1976-12-01 00:00:00

abstract：:7B2 is a novel neuroendocrine polypeptide which belongs to an entirely new superfamily of proteins. In extension of previous reports on 7B2, these studies concern its expression in endocrine pancreatic tissue. They have been performed using specific antibodies prepared against two distinct synthetic fragments of 7B2 c...

journal_title：Endocrinology

authors： Benjannet S,Marcinkiewicz M,Falgueyret JP,Johnson DE,Seidah NG,Chrétien M

更新日期：1988-08-01 00:00:00

abstract：:In the present studies we examined the regulation of insulin-like growth factor I (IGF-I) expression in porcine granulosa cells in vitro. Using Northern analysis and ribonuclease protection assays with exon-specific probes, we identified the IGF-I messenger RNA (mRNA) transcripts present in these cells under basal and...

journal_title：Endocrinology

authors： Samaras SE,Canning SF,Barber JA,Simmen FA,Hammond JM

更新日期：1996-11-01 00:00:00

abstract：:Isoproterenol, phenylephrine, and salbutamol (all 100 microM) induced the activity of tyrosine aminotransferase (TAT; EC 2.6.1.5) by 109%, 72%, and 141%, respectively, in organ culture of fetal human liver. Propranolol (100 microM) inhibited the effects of isoproterenol and phenylephrine. In organ culture of fetal rat...

journal_title：Endocrinology

authors： Andersson SM

更新日期：1983-02-01 00:00:00

abstract：:We examined the effects of removing extracellular Ca2+ (Ca2+e), depleting intracellular Ca2+ (Ca2+i), inhibiting cAMP-dependent calmodulin, and blocking voltage-sensitive Ca2+ channels on the secretion of ACTH by perifused dispersed rat anterior pituitary cells. The cells were stimulated with synthetic arginine vasopr...

journal_title：Endocrinology

authors： Won JG,Oki Y,Orth DN

更新日期：1990-02-01 00:00:00

abstract：:Neuronal remodeling in response to deafferenting lesions in the brain can be enhanced by estradiol (E2). Astrocytes are among the targets of E2 in complex interactions with neurons and may support or inhibit neuronal remodeling. In ovariectomized female rats given entorhinal cortex lesions, E2 replacement inhibited th...

journal_title：Endocrinology

authors： Rozovsky I,Wei M,Stone DJ,Zanjani H,Anderson CP,Morgan TE,Finch CE

更新日期：2002-02-01 00:00:00

abstract：:The purpose of this experiment was to determine whether surgical stress on the morning of proestrus would elicit an early release of gonadotropin from the pituitary. Animals exhibiting 5-day estrous cycles underwent bilateral sham-ovariectomy under ether anesthesia at 0800 h of proestrus. These animals had high levels...

journal_title：Endocrinology

authors： Nequin LG,Alvarez JA,Campbell CS

更新日期：1975-09-01 00:00:00

abstract：:We describe an in vitro system for evaluating the direct effects of catecholamines on the activity of the type II iodothyronine 5'-deiodinase in dispersed rat brown adipocytes. Incubation with norepinephrine or phenylephrine for 3-4 h causes up to a 5-fold increase in deiodinase activity in these cells. As found in vi...

journal_title：Endocrinology

authors： Obregon MJ,Mills I,Silva JE,Larsen PR

更新日期：1987-03-01 00:00:00

abstract：:To determine whether altered noradrenergic activation of the hypothalamo-pituitary-adrenal (HPA) axis contributes to the attenuated neuroendocrine response to stress observed during lactation, the effect of intracerebroventricular injection of the alpha1-agonist methoxamine (100 microg) was compared between virgin and...

journal_title：Endocrinology

authors： Windle RJ,Brady MM,Kunanandam T,Da Costa AP,Wilson BC,Harbuz M,Lightman SL,Ingram CD

更新日期：1997-09-01 00:00:00

abstract：:Human IGF binding protein-3 (hIGFBP-3) overexpression in mice causes hyperglycemia, but its effect on β-cell function is unknown. We compared wild-type mice with mice overexpressing hIGFBP-3 [phoshoglycerate kinase (PGK)BP3] and mutant (Gly⁵⁶/Gly⁸⁰/Gly⁸¹)hIGFBP-3 devoid of IGF binding affinity (PGKmBP3). Intraperitone...

journal_title：Endocrinology

authors： Nguyen KH,Yao XH,Moulik S,Mishra S,Nyomba BL

更新日期：2011-06-01 00:00:00

abstract：:The dissociation kinetics of uterine estradiol receptor (UER) from young, middle-aged, and old mice have been studied in vitro and correlated with interactions of the steroid receptor with nuclear suspensions in a cell-free system. Furthermore, we have determined in these various age groups of mice the concentration o...

journal_title：Endocrinology

authors： Belisle S,Bellabarba D,Lehoux JG,Robel P,Baulieu EE

更新日期：1986-02-01 00:00:00

abstract：:Impaired regulation of hepatic glucose production is a characteristic feature of the metabolic syndrome, a cluster of diseases that includes obesity, insulin resistance, type 2 diabetes, and cardiovascular disease. It has been proposed that sustained endoplasmic reticulum stress, which appears to occur in obesity and ...

journal_title：Endocrinology

authors： Wang D,Wei Y,Schmoll D,Maclean KN,Pagliassotti MJ

更新日期：2006-01-01 00:00:00

abstract：:Active immunization against GRF at 6 months of age delays puberty in beef heifers. The objectives of the present study were to determine whether active immunization against GRF at an earlier age would affect normal onset of puberty and follicular growth and to determine whether these changes were related to alteration...

journal_title：Endocrinology

authors： Cohick WS,Armstrong JD,Whitacre MD,Lucy MC,Harvey RW,Campbell RM

更新日期：1996-05-01 00:00:00