Impaired parathyroid hormone receptor-adenylate cyclase system in the postobstructed canine kidney.

abstract：:We have examined the effects of a new synthetic inhibitor of mammalian tissue collagenase, CI-1 (N-[3-N-(benzyloxycarbonyl)amino-1-(R)carboxypropyl]L-leucyl-O-methyl-L- tyrosine N-methylamide; G. D. Searle SC 40827), and a general metalloproteinase inhibitor, 1,10-phenanthroline, on ovulation, as judged by the observa...

journal_title：Endocrinology

authors： Brännström M,Woessner JF Jr,Koos RD,Sear CH,LeMaire WJ

更新日期：1988-05-01 00:00:00

abstract：:The pharmacokinetics of TRH and its metabolite deamido-TRH (TRH-OH) were evaluated and compared. After a 60- to 90-min infusion of the appropriate peptide into rats, the MCR, half-life of disappearance (t 1/2), and volume of distribution were calculated. The MCR of TRH averaged 4 ml/min, whereas that of TRH-OH was 6.5...

journal_title：Endocrinology

authors： Safran M,Wu CF,Matys R,Alex S,Emerson CH

更新日期：1984-09-01 00:00:00

abstract：:Enlargement of the chimeric ventral prostate gland (VP) was induced by directly implanting either fetal urogenital sinus mesenchyme (UGM) or intact fetal urogenital sinus (UGS) into the VP of intact adult rats. The macromolecular content in the chimeric prostate increased from 40-100% (UGM implants) to 200-300% (UGS i...

journal_title：Endocrinology

authors： Thompson TC,Chung LW

更新日期：1986-06-01 00:00:00

abstract：:Estrogen receptor alpha and beta proteins (ERalpha and ERbeta) at various stages of development of the rat mammary gland were quantified by Western blotting. ERalpha and ERbeta recombinant proteins were used as standards, and their molar concentrations were measured by ligand binding assays. In 3-week-old pregnant, la...

journal_title：Endocrinology

authors： Saji S,Sakaguchi H,Andersson S,Warner M,Gustafsson J

更新日期：2001-07-01 00:00:00

abstract：:Relaxin was localized in cells of corpora lutea of pregnant rats at the ultrastructural level using a highly specific antirat relaxin serum and the unlabeled peroxidase-antiperoxidase technique. Electron-dense, membrane-bound granules (maximum diameter, 270 nm), which are present in luteal cells during the last third ...

journal_title：Endocrinology

authors： Anderson MB,Sherwood OD

更新日期：1984-04-01 00:00:00

abstract：:The time sequence of the metabolism of [4-14C] pregnenolone to testosterone in homogenates of human and rat testis was studied with special emphasis on the chain of events in the early 15 min of incubation. The incubations were performed at 32 C in the presence of NAD and a NADPH-generating system. The various interme...

journal_title：Endocrinology

authors： Weusten JJ,Smals AG,Hofman JA,Kloppenborg PW,Benraad TJ

更新日期：1987-05-01 00:00:00

abstract：:The scaffolding protein, protein targeting to glycogen (PTG), orchestrates the signaling of several metabolic enzymes involved in glycogen synthesis. However, little is known concerning the regulation of PTG itself. In this study, we have cloned and characterized the mouse promoter of PTG. We identified multiple FoxA2...

journal_title：Endocrinology

authors： Cheng A,Zhang M,Crosson SM,Bao ZQ,Saltiel AR

更新日期：2006-07-01 00:00:00

abstract：:The intraislet insulin hypothesis has been proposed to explain absent glucagon responses to hypoglycemia. Recently we directly confirmed this hypothesis by restoring glucagon secretion via provision of a pancreatic artery insulin infusion, which was switched off at the time of hypoglycemia in Wistar rats made diabetic...

journal_title：Endocrinology

authors： Zhou H,Zhang T,Oseid E,Harmon J,Tonooka N,Robertson RP

更新日期：2007-06-01 00:00:00

abstract：:To mimick a state of hyperinsulinemia, normal rats were infused with insulin for 4 days via minipumps, and compared to saline infused rats. At the end of the experimental period, the abundance of mRNA was increased in white adipose tissue (WAT) and decreased in muscles of "insulinized" rats compared to controls. These...

journal_title：Endocrinology

authors： Cusin I,Terrettaz J,Rohner-Jeanrenaud F,Zarjevski N,Assimacopoulos-Jeannet F,Jeanrenaud B

更新日期：1990-12-01 00:00:00

abstract：:Brown adipose tissue (BAT) is a major site of nonshivering thermogenesis in mammals. Rodent studies indicated that BAT thermogenic activity may protect against obesity. Recent findings using novel radiodiagnosis procedures revealed unanticipated high activity of BAT in adult humans. Moreover, complex processes of cell...

journal_title：Endocrinology

authors： Giralt M,Villarroya F

更新日期：2013-09-01 00:00:00

abstract：:A heterologous RIA for ovine inhibin was developed which was sufficiently sensitive and specific to describe the peripheral concentrations of immunoreactive inhibin (iINH) during the estrous cycle of the ewe and to examine the effects of cautery of ovarian follicles on concentrations of iINH in ovarian and jugular ven...

journal_title：Endocrinology

authors： Findlay JK,Clarke IJ,Robertson DM

更新日期：1990-01-01 00:00:00

abstract：:We investigated whether genetic selection for growth influences pituitary GH secretion in two strains of rats, LL (large) and SS (small). Animals were bled every 15 min for 6 h via an indwelling atrial Silastic catheter, and GH levels were determined by RIA. LL and SS males displayed a low frequency, high amplitude ep...

journal_title：Endocrinology

authors： O'Sullivan D,Millard WJ,Badger TM,Martin JB,Martin RJ

更新日期：1986-11-01 00:00:00

abstract：:The mechanism by which aluminum chloride stimulates de novo bone formation is unknown. To evaluate the role of bone remodeling and mature osteoblastic function in aluminum-induced neoosteogenesis, we compared the osteogenic effects of aluminum in normal beagles to those in animals with low turnover osteomalacia induce...

journal_title：Endocrinology

authors： Quarles LD,Drezner MK

更新日期：1992-07-01 00:00:00

abstract：:Immunohistochemical (immunoperoxidase) studies were performed on 478 sections from 97 rat pituitary glands with rabbit antisera to unconjugated human synthetic calcitonin beta-endorphin, and/or ACTH-(17--39). Calcitonin-positive cells were present in a majority of the anterior lobes studied, whereas they were present ...

journal_title：Endocrinology

authors： Watkins WB,Moore RY,Burton D,Bone HG 3rd,Catherwood BD,Deftos LJ

更新日期：1980-06-01 00:00:00

abstract：:cAMP is involved in the regulation of secretory activity in lactotrope, thyrotrope, and gonadotrope cells. The present study examined whether pulsatile or intermittent changes in cAMP are more effective than a continuous stimulation in increasing pituitary hormone gene expression. Pituitaries from adult female rats we...

journal_title：Endocrinology

authors： Haisenleder DJ,Yasin M,Marshall JC

更新日期：1992-12-01 00:00:00

abstract：:The first mutation in a gene associated with a neuronal migration disorder was identified in patients with Kallmann Syndrome, characterized by hypogonadotropic hypogonadism and anosmia. This pathophysiological association results from a defect in the development of the GnRH and the olfactory system. A recent genetic s...

journal_title：Endocrinology

authors： Hutchins BI,Kotan LD,Taylor-Burds C,Ozkan Y,Cheng PJ,Gurbuz F,Tiong JD,Mengen E,Yuksel B,Topaloglu AK,Wray S

更新日期：2016-05-01 00:00:00

abstract：:PTH stimulates synthesis and secretion of 1,25-dihydroxyvitamin D3 [1,25-(OH)2D3] in renal proximal tubule cells through activation of the protein kinase-A (PKA) or the protein kinase-C (PKC) signaling pathway. The relative contribution of the two transducing systems was explored using PTH fragments with selective act...

journal_title：Endocrinology

authors： Janulis M,Wong MS,Favus MJ

更新日期：1993-08-01 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：:Angiotensin-II (Ang-II), K+, and ACTH are important stimulators of aldosterone secretion that require Ca2+ influx to be active. However, Ang-II and K+ are linked to the Ca2+ messenger system, while ACTH is coupled to the cAMP pathway. Peripheral-type binding sites for benzodiazepines are particularly abundant in stero...

journal_title：Endocrinology

authors： Python CP,Rossier MF,Vallotton MB,Capponi AM

更新日期：1993-04-01 00:00:00

abstract：:The Djungarian hamster displays photoperiodic variations in gonadal size synchronized to the seasons by the nightly secretion of the pineal hormone melatonin. In short photoperiod (SP), the gonads regress in size, and circulating sex steroids levels decline. Thus, the brain is subject to seasonal variations of both me...

journal_title：Endocrinology

authors： Bolborea M,Laran-Chich MP,Rasri K,Hildebrandt H,Govitrapong P,Simonneaux V,Pévet P,Steinlechner S,Klosen P

更新日期：2011-10-01 00:00:00

abstract：:A surge of GnRH release signals the LH surge that triggers ovulation. The GnRH surge is dependent on a switch in estradiol feedback from negative to positive and, in rodents, a daily neural signal, likely from the suprachiasmatic nuclei. Vasoactive intestinal polypeptide (VIP) may be involved in suprachiasmatic nuclei...

journal_title：Endocrinology

authors： Christian CA,Moenter SM

更新日期：2008-06-01 00:00:00

abstract：:The purpose of this investigation was to use an approach targeted specifically on endogenous relaxin to determine the influence of relaxin on birth in the rat. To that end, a monoclonal antibody specific for rat relaxin, designated MCA1, was used to passively neutralize endogenous relaxin in intact pregnant rats. MCA1...

journal_title：Endocrinology

authors： Guico-Lamm ML,Sherwood OD

更新日期：1988-11-01 00:00:00

abstract：:A growing body of information now supports the existence of a complete intraovarian insulin-like growth Factor I (IGF-I) system replete with ligands, receptors, and binding protein(s). However, studies concerned with the regulation of ovarian IGF-I gene expression remain scarce. It was thus the objective of this commu...

journal_title：Endocrinology

authors： Botero LF,Roberts CT Jr,LeRoith D,Adashi EY,Hernandez ER

更新日期：1993-06-01 00:00:00

abstract：:Liver X receptors (LXRs) are nuclear receptors with established roles in cholesterol, lipid, and carbohydrate metabolism, although their function in adipocytes is not well characterized. Increased adipose tissue mass in obesity is associated with increased adipocyte lipolysis. Fatty acids (FA) generated by lipolysis c...

journal_title：Endocrinology

authors： Stenson BM,Rydén M,Steffensen KR,Wåhlén K,Pettersson AT,Jocken JW,Arner P,Laurencikiene J

更新日期：2009-09-01 00:00:00

abstract：:Glycosylphosphatidylinositol-specific phospholipase D (GPI-PLD) is abundant in mammalian serum, but the source of the circulating enzyme is unknown. Pancreatic islets have been reported to contain and secrete GPI-PLD. In this report we examined the regulation of GPI-PLD secretion from beta TC3 cells, a mouse insulinom...

journal_title：Endocrinology

authors： Deeg MA,Verchere CB

更新日期：1997-02-01 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：:Effects of thyroid hormone on proteoglycan degradation in various regions of cartilage were investigated. In propylthiouracil-treated rats with hypothyroidism, proteoglycan degradation in epiphyseal cartilage during endochondral ossification was markedly suppressed. However, injections of T(4) reversed this effect of ...

journal_title：Endocrinology

authors： Makihira S,Yan W,Murakami H,Furukawa M,Kawai T,Nikawa H,Yoshida E,Hamada T,Okada Y,Kato Y

更新日期：2003-06-01 00:00:00

abstract：:Atrial (ANP), brain (BNP), and C-type natriuretic peptide (CNP) belong to a family of hormones important in blood pressure and sodium homeostasis. Expression of ANP has been reported in embryo hearts, but BNP and CNP expression during development has not been described. We used in situ hybridization to identify the si...

journal_title：Endocrinology

authors： Cameron VA,Aitken GD,Ellmers LJ,Kennedy MA,Espiner EA

更新日期：1996-03-01 00:00:00

abstract：:On the basis of our previous observations indicating that a principle [possibly transforming growth factor-beta1 (TGFbeta1)] secreted by type 1 astrocytes may increase the release of LHRH in the GT1 cell line, it was deemed of interest to analyze whether TGFbeta1 might influence LHRH gene expression in addition to LHR...

journal_title：Endocrinology

authors： Galbiati M,Zanisi M,Messi E,Cavarretta I,Martini L,Melcangi RC

更新日期：1996-12-01 00:00:00

abstract：:A basic somatomedin preparation results in a 2-fold stimulation of incorporation of both [3H]leucine into protein and 35SO4 into glycosaminoglycans by cultured chick sternal chondrocytes. The stimulation is seen in the presence of 20 mM 4-methylumbelliferyl-beta-D-xyloside alone but is not observable in the presence o...

journal_title：Endocrinology

authors： Kemp SF,Hintz RL

更新日期：1980-03-01 00:00:00