Endogenous opioid peptides inhibit oxytocin release in the lactating rat after dehydration and urethane.

abstract：:Plasma immunoreactive PRL responses to indoleamines and their metabolites were studied in urethane-anesthetized rats. All drugs were injected into the lateral ventricle and blood samples were serially collected from a jugular vein. Serotonin and melatonin caused a significant increase in plasma PRL with peak values at...

journal_title：Endocrinology

authors： Iwasaki Y,Kato Y,Ohgo S,Abe H,Imura H,Hirata F,Senoh S,Tokuyama T,Hayaishi O

更新日期：1978-07-01 00:00:00

abstract：:Tumor necrosis factor-alpha (TNF), a pleiotropic cytokine localized within the ovary, alters follicular steroidogenesis. Preovulatory follicles dissected from ovaries of normal cyclic adult rats on the morning of proestrus exhibit steroidogenic and histological signs of atresia after 24 h of culture under the conditio...

journal_title：Endocrinology

authors： Roby KF,Terranova PF

更新日期：1990-05-01 00:00:00

abstract：:Circulating levels of the pancreatic beta-cell peptide hormone amylin and the gut peptide PYY[3-36] increase after nutrient ingestion. Both have been implicated as short-term signals of meal termination with anorexigenic and weight-reducing effects. However, their combined effects are unknown. We report that the combi...

journal_title：Endocrinology

authors： Roth JD,Coffey T,Jodka CM,Maier H,Athanacio JR,Mack CM,Weyer C,Parkes DG

更新日期：2007-12-01 00:00:00

abstract：:Cachexia, defined as an involuntary weight loss ≥ 5%, is a serious and dose-limiting side effect of chemotherapy that decreases survival in cancer patients. Alterations in lipid metabolism are thought to cause the lipodystrophy commonly associated with cachexia. Ghrelin has been proposed to ameliorate the alterations ...

journal_title：Endocrinology

authors： Garcia JM,Scherer T,Chen JA,Guillory B,Nassif A,Papusha V,Smiechowska J,Asnicar M,Buettner C,Smith RG

更新日期：2013-09-01 00:00:00

abstract：:The distribution of peptide YY (PYY)-like immunoreactivity (IR) in rat tissues was determined by specific RIA after extraction with boiled 1 N acetic acid. The high concentration of PYY-IR was observed in the gastrointestinal tract, with concentrations gradually increasing from the duodenum to the end of colon. The co...

journal_title：Endocrinology

authors： Miyachi Y,Jitsuishi W,Miyoshi A,Fujita S,Mizuchi A,Tatemoto K

更新日期：1986-06-01 00:00:00

abstract：:Variation in the onset of puberty among inbred strains of mice suggests that quantitative trait loci (QTLs) affect neurological and hormonal aspects of sexual maturation. Taking a novel approach toward identifying factors that regulate the hypothalamic-pituitary-gonadal (HPG) axis, we evaluated pubertal timing [as ass...

journal_title：Endocrinology

authors： Krewson TD,Supelak PJ,Hill AE,Singer JB,Lander ES,Nadeau JH,Palmert MR

更新日期：2004-10-01 00:00:00

abstract：:Four 1-yr-old, i.e. immature, monkeys (M. fascicularis) were treated with testosterone. For the first 21 weeks, they received testosterone capsules sc; thereafter for the remainder of 1 yr, they received weekly injections of 125 mg testosterone enanthate. Four similarly aged monkeys served as untreated controls. The t...

journal_title：Endocrinology

authors： Marshall GR,Wickings EJ,Nieschlag E

更新日期：1984-06-01 00:00:00

abstract：:In previous studies it was shown that bovine GH (bGH) suppressed and glucagon stimulated the level of 24- and 30- to 34-kilodalton insulin-like growth factor-binding proteins (IGFBPs) in the media of cultured rat hepatocytes. In the present study we have evaluated the regulation of IGFBP-1 gene expression in primary r...

journal_title：Endocrinology

authors： Kachra Z,Yang CR,Murphy LJ,Posner BI

更新日期：1994-11-01 00:00:00

abstract：:Basal growth hormone (GH) levels are higher in female than male primates, and estradiol (E) treatment of gonadectomized primates increases serum GH. To determine if the effect of E is mediated at the level of the somatotroph, we verified the effect of E-treatment on serum GH in spayed macaques, and then examined the e...

journal_title：Endocrinology

authors： Bethea CL

更新日期：1991-10-01 00:00:00

abstract：:Limited proteolysis in vivo of insulin-like growth factor-binding protein-3 (IGFBP-3) by as yet unidentified serine proteases plays a key role in controlling the bioavailability of IGFBP-3-associated insulin-like growth factors (IGFs). Both the IGF system and the system of plasminogen activators (PAs) and their inhibi...

journal_title：Endocrinology

authors： Lalou C,Silve C,Rosato R,Segovia B,Binoux M

更新日期：1994-12-01 00:00:00

abstract：:Although renal hypertrophy occurs rapidly after uninephrectomy, restoring the majority of renal excretory function, it remains unknown whether similar compensatory mechanisms maintain 1,25-dihydroxyvitamin D production (and calcium homeostasis). To address this issue we compared plasma calcitriol levels and renal 25-h...

journal_title：Endocrinology

authors： Almond JR,Bales CW,Lobaugh B,Klotman PE,Drezner MK

更新日期：1989-05-01 00:00:00

abstract：:The presence of multiple monomeric forms has been described for estrogen receptor (ER) in different target tissues. Using [3H]tamoxifen aziridine ([3H]TA) to covalently label ER and sodium dodecyl sulfate-polyacrylamide gel electrophoresis to analyze labeled products, ER forms were investigated in pituitary cytosol an...

journal_title：Endocrinology

authors： Geffroy-Roisne S,Duval J,Thieulant ML

更新日期：1992-09-01 00:00:00

abstract：:Localized expression of cytochromes P450 17 alpha-hydroxylase (P450c17) and aromatase (P450arom) was investigated in embryonic cell layers of elongating porcine blastocysts by immunocytochemistry. Blastocysts were flushed from the uterus on day 12 of pregnancy, fixed in paraformaldehyde, embedded in paraffin, sectione...

journal_title：Endocrinology

authors： Conley AJ,Christenson LK,Ford SP,Christenson RK

更新日期：1994-12-01 00:00:00

abstract：:Vasoactive intestinal polypeptide (VIP)ergic nerves innervate both the neurohypophysis and the hypothalamus. To test the hypothesis that VIP is a releasing factor for neurohypophyseal hormones, rats were given intracerebroventricular (icv) infusions of VIP in doses varying from 0.3 pmol/kg.min to 3 nmol/kg.min for 5 m...

journal_title：Endocrinology

authors： Bardrum B,Ottesen B,Fahrenkrug J,Fuchs AR

更新日期：1988-11-01 00:00:00

abstract：:The actions and the mechanisms of action of epidermal growth factor (EGF) in testicular steroidogenesis were investigated using a model of primary culture of purified porcine Leydig cells from immature intact animals. EGF decreased (1.7-fold) human CG (hCG)-induced dehydroepiandrosterone (DHEA) accumulation in the med...

journal_title：Endocrinology

authors： Sordoillet C,Chauvin MA,de Peretti E,Morera AM,Benahmed M

更新日期：1991-04-01 00:00:00

abstract：:PTH stimulates bone formation and increases hematopoietic stem cells through mechanisms as yet uncertain. The purpose of this study was to identify mechanisms by which PTH links actions on cells of hematopoietic origin with osteoblast-mediated bone formation. C57B6 mice (10 d) were nonlethally irradiated and then admi...

journal_title：Endocrinology

authors： Koh AJ,Novince CM,Li X,Wang T,Taichman RS,McCauley LK

更新日期：2011-12-01 00:00:00

abstract：:Recent evidence indicates a localized origin in the olfactory placode for the mammalian forebrain neurons that express GnRH. To identify the cellular and molecular signals that induce the GnRH phenotype, we cloned and characterized a cDNA encoding the GnRH prohormone, the precursor for both GnRH-I and GnRH-associated ...

journal_title：Endocrinology

authors： Hayes WP,Wray S,Battey JF

更新日期：1994-04-01 00:00:00

abstract：:In humans, there is a significant decrease in serum T(3) and increase in rT(3) at different time points after myocardial infarction, whereas serum TSH and T(4) remain unaltered. We report here a time course study of pituitary-thyroid function and thyroid hormone metabolism in rats subjected to myocardial infarction by...

journal_title：Endocrinology

authors： Olivares EL,Marassi MP,Fortunato RS,da Silva AC,Costa-e-Sousa RH,Araújo IG,Mattos EC,Masuda MO,Mulcahey MA,Huang SA,Bianco AC,Carvalho DP

更新日期：2007-10-01 00:00:00

abstract：:The metabolism of [3H]progesterone by the fetal calf adrenal was examined in homogenates and microsomal fractions of adrenals obtained from mid- or late gestational fetal calves. Throughout the course of gestation, there was no detectable difference in the formation of corticosterone from progesterone by adrenal homog...

journal_title：Endocrinology

authors： Kan KW,Baird A,Solomon S

更新日期：1983-09-01 00:00:00

abstract：:Beta-adrenergic agonists and antagonists are widely used in many clinical situations to regulate beta-adrenergic stimulation. However, responsiveness to beta-stimulation may be reduced by the process of desensitization. We have established an in vivo mammalian model system, the rat lung, to study the cellular and bioc...

journal_title：Endocrinology

authors： Strasser RH,Stiles GL,Lefkowitz RJ

更新日期：1984-10-01 00:00:00

abstract：:We have demonstrated previously that both rat and human liver microsomes contain a highly specific binding protein for the anabolic steroids stanozolol (ST) and danazol (DA). In this study we solubilized the male rat liver ST-binding protein (STBP) and investigated the following parameters: 1) pharmacological properti...

journal_title：Endocrinology

authors： Luzardo OP,Machín RP,Díaz-Chico BN,Fernández L

更新日期：2000-09-01 00:00:00

abstract：:The present study was conducted to examine the effect of LH on phospholipid metabolism in corpora luteal tissue. Collagenase-dispersed cells obtained from bovine corpora lutea of early pregnancy were incubated with 32PO4 in the presence or absence of LH and examined for their ability to incorporate this label into pho...

journal_title：Endocrinology

authors： Davis JS,Farese RV,Marsh JM

更新日期：1981-08-01 00:00:00

abstract：:Tamoxifen, a partial competitive antagonist to the estrogen receptor, is a potent inhibitor of the proliferation of experimental mammary carcinoma in the rat and is widely used clinically in the treatment of breast cancer. Blockade of estrogen receptors present on neoplastic cells represents the classic mechanism of a...

journal_title：Endocrinology

authors： Tannenbaum GS,Gurd W,Lapointe M,Pollak M

更新日期：1992-06-01 00:00:00

abstract：:Previously, we have demonstrated an inhibitory effect of oxytocin (OXT) on progesterone (P) and androstenedione (A) release of porcine luteal cell cultures. The present study examines whether OXT modulates P, A, or estradiol (E2) release of so-called small luteal cells (SLC) or of granulosa-derived large luteal cells ...

journal_title：Endocrinology

authors： Pitzel L,Jarry H,Wuttke W

更新日期：1990-05-01 00:00:00

abstract：:In the testis the mesenchymally derived peritubular cells produce a paracrine factor, PModS, that mediates mesenchymal-epithelial interactions and modulates Sertoli cell functions essential for the process of spermatogenesis. PModS has a more dramatic effect on Sertoli cell differentiated functions in vitro than any r...

journal_title：Endocrinology

authors： Norton JN,Vigne JL,Skinner MK

更新日期：1994-01-01 00:00:00

abstract：:The present study investigated whether activation of the hexosamine biosynthesis pathway might mediate at least in part the high glucose effect on angiotensinogen (ANG) gene expression and immortalized renal proximal tubular cell (IRPTC) hypertrophy. IRPTC were cultured in monolayer. ANG, renin, and beta-actin mRNA ex...

journal_title：Endocrinology

authors： Hsieh TJ,Fustier P,Zhang SL,Filep JG,Tang SS,Ingelfinger JR,Fantus IG,Hamet P,Chan JS

更新日期：2003-10-01 00:00:00

abstract：:There are now robust data supporting the Developmental Origins of Health and Disease (DOHaD) paradigm. This includes human and animal data focusing on nutrition or environmental chemicals during development. However, the term DOHaD has not been generally accepted as the official term to be used when one is concerned w...

journal_title：Endocrinology

authors： Heindel JJ,Balbus J,Birnbaum L,Brune-Drisse MN,Grandjean P,Gray K,Landrigan PJ,Sly PD,Suk W,Cory Slechta D,Thompson C,Hanson M

更新日期：2015-10-01 00:00:00

abstract：:Developmental exposures to phthalates are suspected to contribute to risk of metabolic syndrome. However, findings from human studies are inconsistent, and long-term metabolic impacts of early-life phthalate and phthalate mixture exposures are not fully understood. Furthermore, most animal studies investigating metabo...

journal_title：Endocrinology

authors： Neier K,Cheatham D,Bedrosian LD,Gregg BE,Song PXK,Dolinoy DC

更新日期：2019-07-01 00:00:00

abstract：:Adrenocortical carcinoma (ACC) is an aggressive cancer with a 5-year survival rate <35%. Mortality remains high due to lack of targeted therapies. Using bioinformatic analyses, we identified maternal embryonic leucine zipper kinase (MELK) as 4.1-fold overexpressed in ACC compared with normal adrenal samples. High MELK...

journal_title：Endocrinology

authors： Kiseljak-Vassiliades K,Zhang Y,Kar A,Razzaghi R,Xu M,Gowan K,Raeburn CD,Albuja-Cruz M,Jones KL,Somerset H,Fishbein L,Leong S,Wierman ME

更新日期：2018-07-01 00:00:00

abstract：:PTH-related protein (PTHrP) and its receptor are expressed in vascular smooth muscle cells and are believed to participate in the local regulation of vascular tone. To explore the function of locally produced PTHrP in vascular smooth muscle in vivo, we developed transgenic mice that overexpress PTHrP in smooth muscle ...

journal_title：Endocrinology

authors： Maeda S,Sutliff RL,Qian J,Lorenz JN,Wang J,Tang H,Nakayama T,Weber C,Witte D,Strauch AR,Paul RJ,Fagin JA,Clemens TL

更新日期：1999-04-01 00:00:00