Antagonists of GHRH decrease production of GH and IGF-I in MXT mouse mammary cancers and inhibit tumor growth.

abstract：:Nitric oxide (NO) has emerged as a potent regulator useful in alleviating estrogen deficiency bone loss. Osteoprotegerin (OPG) and receptor activator of nuclear factor-kappaB ligand (RANKL) play important roles in regulating osteoclastogenesis. Although recent studies have reported NO donor attenuation of bone loss, t...

journal_title：Endocrinology

authors： Wang FS,Wang CJ,Chen YJ,Huang YT,Huang HC,Chang PR,Sun YC,Yang KD

更新日期：2004-05-01 00:00:00

abstract：:Disruption of the pituitary adenylate cyclase-activating polypeptide (PACAP) gene in mice has demonstrated a role for this highly conserved neuropeptide in the regulation of metabolism and temperature control. Localization of PACAP neurons within hypothalamic nuclei that regulate appetite suggest PACAP may affect feed...

journal_title：Endocrinology

authors： Adams BA,Gray SL,Isaac ER,Bianco AC,Vidal-Puig AJ,Sherwood NM

更新日期：2008-04-01 00:00:00

abstract：:Even though functional CRH receptors have been identified in several brain regions by ligand binding, the identity of brain areas expressing the CRH receptor gene has not been described. The recent cloning of the rat CRH receptor gene has permitted us to conduct an in situ hybridization histochemistry study to localiz...

journal_title：Endocrinology

authors： Wong ML,Licinio J,Pasternak KI,Gold PW

更新日期：1994-11-01 00:00:00

abstract：:Adrenals express a high level of neutral cholesteryl ester hydrolase (CEH) activity, and male rats have greater activity than females; however, the identity of the enzyme(s) responsible for this activity and the basis for the sex differences are unknown. Using mice in which hormone-sensitive lipase (HSL) was inactivat...

journal_title：Endocrinology

authors： Kraemer FB,Shen WJ,Natu V,Patel S,Osuga J,Ishibashi S,Azhar S

更新日期：2002-03-01 00:00:00

abstract：:A biologically active form of the epidermal growth factor (EGF) precursor has been detected in human fluids and secretions. The secreted protein identified in human urine and milk has an apparent molecular mass of 160-170 kilodaltons and exhibits an affinity for the glycosaminoglycan heparin. More importantly, the sec...

journal_title：Endocrinology

authors： Mroczkowski B,Reich M

更新日期：1993-01-01 00:00:00

abstract：:We used autoradiography to test the hypothesis that a major function of thyroid hormone-binding proteins in plasma is to ensure uniform distribution of thyroid hormones among cells of a given tissue. The distribution of [125I]T4 within rat hepatic lobules was determined after its single pass perfusion through the port...

journal_title：Endocrinology

authors： Mendel CM,Weisiger RA,Jones AL,Cavalieri RR

更新日期：1987-05-01 00:00:00

abstract：:The biosynthesis of estrogens is catalyzed by aromatase P450 (P450arom), the product of the CYP19 gene. The tissue-specific expression of the CYP19 gene is regulated by means of tissue-specific promoters through the use of alternative splicing mechanisms. Thus, transcripts containing various 5'-untranslated termini ar...

journal_title：Endocrinology

authors： Sun T,Zhao Y,Mangelsdorf DJ,Simpson ER

更新日期：1998-04-01 00:00:00

abstract：:The procession of round spermatids through stages VII and VIII of the rat spermatogenic cycle is critically dependent on testosterone (T). When intratesticular T levels are reduced, round spermatids appear to slough from the seminiferous epithelium, resulting in the disappearance of elongated spermatids. We hypothesiz...

journal_title：Endocrinology

authors： Perryman KJ,Stanton PG,Loveland KL,McLachlan RI,Robertson DM

更新日期：1996-09-01 00:00:00

abstract：:The effect of the administration of sheep anti-LHRH gamma-globulin (anti-LHRHG) on the maintenance of pregnancy was investigated in rats. Nidation was confirmed by laparotomy on day 7 or 8 of pregnancy. In one experiment, rats were then injected iv with 1 ml anti-LHRHG or normal sheep gamma-globulin (NSG) daily from d...

journal_title：Endocrinology

authors： Nishi N,Arimura A,de la Cruz KG,Schally AV

更新日期：1976-04-01 00:00:00

abstract：:Studies in rodents demonstrate that the mitogen, IGF-I, stimulates intestinal peptide YY (PYY) expression. To investigate whether the stimulatory influence of IGF-I is exerted at the level of gene transcription, rat PYY 5'-upstream sequences (-2800/+37 bp, -770/+37 bp, -127/+37 bp) fused to the firefly luciferase (luc...

journal_title：Endocrinology

authors： Wang G,Leiter AB,Englander EW,Greeley GH Jr

更新日期：2004-02-01 00:00:00

abstract：:We previously identified a highly conserved specificity protein 1 (Sp1) DNA element in mammalian PTH promoters that acted as an enhancer of gene transcription and bound Sp1 and Sp3 proteins present in parathyroid gland nuclear extracts. More recently, a nuclear factor (NF)-Y element (NF-Y(prox)) was also described by ...

journal_title：Endocrinology

authors： Alimov AP,Park-Sarge OK,Sarge KD,Malluche HH,Koszewski NJ

更新日期：2005-08-01 00:00:00

abstract：:The genetically obese Zucker rat is a widely used model of early-onset obesity. Like obese children, these obese rats are hyperinsulinemic and have low GH secretion. However, data on linear growth and insulin-like growth factor-I (IGF-I) levels in this model are scanty and contradictory. In the present study, we inves...

journal_title：Endocrinology

authors： Nguyen-Yamamoto L,Deal CL,Finkelstein JA,Van Vliet G

更新日期：1994-03-01 00:00:00

abstract：:Gonadotropin subunit gene expression is regulated by gonadal, hypothalamic, and locally derived hormones. In particular, activin rapidly (within hours) acts at the gonadotrope to selectively increase the expression of FSH beta messenger RNA (mRNA). A family of activin receptors (ActRI, ActRII, and ActRIIB) has been id...

journal_title：Endocrinology

authors： Dalkin AC,Gilrain JT,Marshall JC

更新日期：1994-09-01 00:00:00

abstract：:Enhanced epinephrine secretion from adrenal chromaffin cells (ACCs) is an important homeostatic response to severe systemic inflammation during sepsis. Evidence suggests that increased activation of ACCs by preganglionic sympathetic neurons and direct alterations in ACC function contribute to this response. However, t...

journal_title：Endocrinology

authors： Lukewich MK,Lomax AE

更新日期：2014-01-01 00:00:00

abstract：:We tested further our postulate that enhanced de novo synthesis of phosphatidic acid is responsible for ACTH- and cAMP-induced increases in adrenal phospholipids in the phosphatidate polyphosphoinositide pathway. During incubation of adrenal sections or cells in vitro, ACTH and cAMP increased the concentrations of and...

journal_title：Endocrinology

authors： Farese RV,Sabir MA,Larson RE

更新日期：1981-12-01 00:00:00

abstract：:Glucocorticoid hormones are involved in functional differentiation of GH-producing somatotrophs. Glucocorticoid treatment prematurely induces GH expression in mammals and birds in a process requiring protein synthesis and Rat sarcoma (Ras) signaling. The objective of this study was to investigate mechanisms through wh...

journal_title：Endocrinology

authors： Ellestad LE,Puckett SA,Porter TE

更新日期：2015-03-01 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：:We recently reported that aluminum administration to beagles stimulates uncoupled bone formation in the marrow cavity which increases trabecular bone volume and generates new osseous networks within the axial skeleton. To investigate whether this osteogenic process results from direct stimulation of bone cell replicat...

journal_title：Endocrinology

authors： Quarles LD,Wenstrup RJ,Castillo SA,Drezner MK

更新日期：1991-06-01 00:00:00

abstract：:Resorption of devitalized bone particles by monocytes grown in culture was stimulated by platelet-derived growth factor (PDGF) in a dose-dependent manner. Bone resorption in response to PDGF was time-dependent with a significant increase over control cultures evident by 72 hours. These data are the first to demonstrat...

journal_title：Endocrinology

authors： Key LL Jr,Carnes DL Jr,Weichselbaum R,Anast CS

更新日期：1983-02-01 00:00:00

abstract：:Antiestrogens such as tamoxifen are the mainstay of treatment for estrogen receptor-positive breast cancer. However, their effectiveness is limited by the development of endocrine resistance, allowing tumor regrowth and progression. Importantly, in vitro MCF7 cell models of acquired tamoxifen resistance (TamR cells) d...

journal_title：Endocrinology

authors： Taylor KM,Vichova P,Jordan N,Hiscox S,Hendley R,Nicholson RI

更新日期：2008-10-01 00:00:00

abstract：:Insulin-like growth factor-I (IGF-I) is produced in multiple tissues and is believed to exert its action in a paracrine or autocrine fashion. We have investigated the GH dependency of tissue IGF-I gene expression in rats harboring implanted somatomammotropic tumors. Circulating GH and radioimmunoassayable IGF-I levels...

journal_title：Endocrinology

authors： Fagin JA,Brown A,Melmed S

更新日期：1988-05-01 00:00:00

abstract：:Sodium vanadate, an agent known to have multiple cellular actions, was studied for its effects on aspects of bone formation in cultures of 21-day-old fetal rat calvariae. Vanadate (0.1-10 microM) stimulated the incorporation of [3H] thymidine into acid-insoluble residues (DNA); the effect appeared after 3 h and was su...

journal_title：Endocrinology

authors： Canalis E

更新日期：1985-03-01 00:00:00

abstract：:The inhibitor of apoptosis proteins (IAPs) constitutes a family of highly conserved apoptosis suppressor proteins that were originally identified in baculoviruses. Although IAP homologs have recently been demonstrated to suppress apoptosis in mammalian cells, their expression and role in human ovarian epithelial cance...

journal_title：Endocrinology

authors： Li J,Feng Q,Kim JM,Schneiderman D,Liston P,Li M,Vanderhyden B,Faught W,Fung MF,Senterman M,Korneluk RG,Tsang BK

更新日期：2001-01-01 00:00:00

abstract：:Ghrelin is a growth hormone-releasing peptide recently discovered in the stomach of rat and human as an endogenous ligand for growth hormone-secretagogue receptor. In the present study, a full-length cDNA for mouse ghrelin has been cloned from the stomach using the oligo-capping and rapid amplification methods, and th...

journal_title：Endocrinology

authors： Tanaka M,Hayashida Y,Iguchi T,Nakao N,Nakai N,Nakashima K

更新日期：2001-08-01 00:00:00

abstract：:Studies in the rat and rabbit indicate that facilitatory effects of neuropeptide Y (NPY) as well as norepinephrine (NE) on LH and LHRH release are dependent on the presence of the ovarian steroid estrogen. However, we have previously found the NE and an alpha-1-adrenergic agonist are both stimulatory to pulsatile LHRH...

journal_title：Endocrinology

authors： Woller MJ,Terasawa E

更新日期：1991-02-01 00:00:00

abstract：:These studies have examined the ontogeny of specific GH- and PRL-binding proteins in rabbit liver cytosol across the fetal, early neonatal, and adult periods. The precise hormonal specificity of binding of the somatotropic/lactogenic ligand, [125I]human GH, was determined by displacement with monoclonal antibodies aga...

journal_title：Endocrinology

authors： Ymer SI,Stevenson JL,Herington AC

更新日期：1989-07-01 00:00:00

abstract：:In vitro antiglucocorticoids (cortexolone and progesterone) were evaluated as in vivo antagonists of dexamethasone-induced increases in liver tyrosine amino transferase (TAT; EC 2.6.1.5), tryptophan oxygenase (TPO; EC 1.13.1.12), and glycogen deposition. Cortexolone antagonized the TPO and glycogen responses to dexame...

journal_title：Endocrinology

authors： Naylor PH,Gilani SS,Milholland RJ,Rosen F

更新日期：1980-07-01 00:00:00

abstract：:To obtain large amounts of hTSH and to study the role of the N-linked oligosaccharides for its biological activity, hTSH was produced using recombinant baculovirus containing the human alpha-subunit and a hTSH beta-minigene, respectively, both under the control of the polyhedrin promoter. Expression in insect cells wa...

journal_title：Endocrinology

authors： Grossmann M,Wong R,Teh NG,Tropea JE,East-Palmer J,Weintraub BD,Szkudlinski MW

更新日期：1997-01-01 00:00:00

abstract：:Sex differences in vocal communication are prevalent in both the animals and humans. The mechanism(s) mediating gender differences in human language are unknown, although, sex hormones, principally androgens, play a central role in the development of vocalizations in a wide variety of animal species. The discovery of ...

journal_title：Endocrinology

authors： Bowers JM,Perez-Pouchoulen M,Roby CR,Ryan TE,McCarthy MM

更新日期：2014-12-01 00:00:00

abstract：:Intermittent PTH administration increases bone turnover, resulting in net anabolic effects on bone. These effects are primarily mediated by intracellular cAMP signaling. However, the molecular mechanisms that regulate PTH activity in bone remain incompletely understood. beta-Arrestin2, a G protein-coupled receptor reg...

journal_title：Endocrinology

authors： Ferrari SL,Pierroz DD,Glatt V,Goddard DS,Bianchi EN,Lin FT,Manen D,Bouxsein ML

更新日期：2005-04-01 00:00:00