Monoclonal antibodies specific for rat relaxin. II. Passive immunization with monoclonal antibodies throughout the second half of pregnancy disrupts birth in intact rats.

abstract：:Retinoids induce cellular differentiation and inhibit cellular proliferation. Proliferation of human breast carcinoma cells in vitro is markedly inhibited by these compounds. On the other hand, insulin-like growth factors (IGFs) and their receptors seem to be involved in the growth of certain breast carcinoma cells by...

journal_title：Endocrinology

authors： Fontana JA,Burrows-Mezu A,Clemmons DR,LeRoith D

更新日期：1991-02-01 00:00:00

abstract：:Osteocalcin, a synthetic osteoblast-specific protein, has recently emerged as an important regulator of energy metabolism, but the underlying mechanisms are not fully understood. In the present study, mice fed a high-fat diet and receiving osteocalcin showed reduced body weight gain, less fat pad gain, and improved in...

journal_title：Endocrinology

authors： Zhou B,Li H,Xu L,Zang W,Wu S,Sun H

更新日期：2013-03-01 00:00:00

abstract：:T(4) activation into T(3) is catalyzed by type 2 deiodinase (D2) in the brain. The rapid induction of D2 in astrocytes by transient brain ischemia has prompted us to explore the effects of hypoxia on D2 in cultures of astrocytes. Hypoxia (2.5% O(2)) of cultured astrocytes increased D2 activity, alone or in association...

journal_title：Endocrinology

authors： Lamirand A,Mercier G,Ramaugé M,Pierre M,Courtin F

更新日期：2007-10-01 00:00:00

abstract：:We have designed a new experimental system based on in vitro reconstituted thyroid follicles (RTF) to study the relative implication of macropinocytosis and micropinocytosis processes in the internalization of thyroglobulin (Tg). Thyrocytes cultured in the presence of TSH reorganize in histiotypic and functional folli...

journal_title：Endocrinology

authors： Bernier-Valentin F,Kostrouch Z,Rabilloud R,Rousset B

更新日期：1991-10-01 00:00:00

abstract：:The interaction of alloxan and cyclic AMP on glucose-induced insulin secretion was studied with the use of isolated rat islet perifusion. Simultaneous perifusion with cyclic AMP and alloxan did not protect the islets against the effect of alloxan. However, addition of dibutyryl cyclic AMP to the alloxan solution produ...

journal_title：Endocrinology

authors： Tomita T,Scarpelli DG

更新日期：1977-05-01 00:00:00

abstract：:The effect of 3 alpha-hydroxy-4-pregnen-20-one (3HP), a Sertoli cell steroid, on the secretion of gonadotropins from rat anterior pituitary cells in culture was examined and subsequently compared with the action of other gonadal steroids and steroids structurally related to 3HP. Pituitary cells from randomly cycling, ...

journal_title：Endocrinology

authors： Wood PH,Wiebe JP

更新日期：1989-07-01 00:00:00

abstract：:Sterol regulatory element binding protein 1c (SREBP1c) is a master regulator of lipogenic gene expression in liver and adipose tissue, where its expression is regulated by a heterodimer of nuclear receptor-type transcription factors retinoid X receptor-alpha (RXRalpha) and liver X receptor-alpha (LXRalpha). Despite th...

journal_title：Endocrinology

authors： Kamei Y,Miura S,Suganami T,Akaike F,Kanai S,Sugita S,Katsumata A,Aburatani H,Unterman TG,Ezaki O,Ogawa Y

更新日期：2008-05-01 00:00:00

abstract：:Homeostatic control of endocrine systems proceeds via feedforward (agonistic, stimulatory) and feedback (antagonistic, inhibitory) interactions mediated via implicit dose-response functions. However, neither the feedback/feedforward pathways nor the dose-response interfaces are directly observed in vivo. Thus, the goa...

journal_title：Endocrinology

authors： Keenan DM,Clarke IJ,Veldhuis JD

更新日期：2011-12-01 00:00:00

abstract：:Angiotensin II is a potent octapeptide vasoconstrictor and regulator of cardiovascular and electrolyte homeostasis. Angiotensinogen, the protein precursor of angiotensin II, is synthesized by the liver and many other organs of the adult rat. To determine whether angiotensin may be present in early fetal development we...

journal_title：Endocrinology

authors： Lee HU,Campbell DJ,Habener JF

更新日期：1987-10-01 00:00:00

abstract：:We have demonstrated TSH binding sites in membranes prepared from guinea pig testis. The binding of TSH to testicular homogenate was localized to the interstitial tissue and showed similar characteristics to the binding of TSH to thyroid membranes with high affinity (Ka = 2.5 X 10(10) M-1) but limited capacity (approx...

journal_title：Endocrinology

authors： Davies TF,Smith BR,Hall R

更新日期：1978-07-01 00:00:00

abstract：:Melatonin was shown to occur in rat plasma and urine after pinealectomy by bioassay, radioimmunoassay, and thin-layer chromatography. Total daily excretion of melatonin in pinealectomized rats was about 20% of control. Light-dark rhythms of plasma melatonin levels and urinary excretion rates disappeared after pinealec...

journal_title：Endocrinology

authors： Ozaki Y,Lynch HJ

更新日期：1976-08-01 00:00:00

abstract：:In bone, early events in inflammation involve the production and release of primary proinflammatory cytokines, such as interleukin-1 beta. By activation of target cells, these cytokines are thought to induce a second wave of cytokines, including monocyte chemoattractant protein-1 (MCP-1). MCP-1 is a cytokine that stim...

journal_title：Endocrinology

authors： Rahimi P,Wang CY,Stashenko P,Lee SK,Lorenzo JA,Graves DT

更新日期：1995-06-01 00:00:00

abstract：:A 50-70% depletion in the anterior pituitary concentration of PRL occurred within 5 min of electrical stimulation of a single abdominal mammary nerve of urethane-anesthetized lactating rats previously nonsuckled for 6-8 h. The stimulus parameters were: 1-msec pulses, 10-20/sec at 5-30 V applied 5 sec on and 10 sec off...

journal_title：Endocrinology

authors： Mena F,Pacheco P,Grosvenor CE

更新日期：1980-02-01 00:00:00

abstract：:Hypoxia-inducible factor-1 (HIF-1) is a decisive element for the transcriptional regulation of many genes expressed in hypoxic conditions. In vascular smooth muscle cells, the vasoactive hormone angiotensin II (Ang II) is a very potent inducer and activator of HIF-1. As opposed to hypoxia, which induces HIF-1alpha by ...

journal_title：Endocrinology

authors： Lauzier MC,Pagé EL,Michaud MD,Richard DE

更新日期：2007-08-01 00:00:00

abstract：:Adrenomedullin (AM), a potent and novel vasodilator 52-residue peptide originally isolated from pheochromocytoma, is processed from a precursor molecule (preproAM) in which another unique 20-residue sequence, termed proadrenomedullin N-terminal 20 peptide (PAMP), exists. Using [125I Tyr0] rat PAMP as a radioligand, we...

journal_title：Endocrinology

authors： Iwasaki H,Hirata Y,Iwashina M,Sato K,Marumo F

更新日期：1996-07-01 00:00:00

abstract：:MCF-7 cells migrate through vitronectin-coated filters in response to insulin-like growth factor I (IGF-I); migration is inhibited by the matrix metalloproteinase (MMP) inhibitor BB-94, but not by the serine proteinase inhibitor aprotinin. MMP-9 was identified in the conditioned medium of MCF-7 cells; in addition, flu...

journal_title：Endocrinology

authors： Mira E,Mañes S,Lacalle RA,Márquez G,Martínez-A C

更新日期：1999-04-01 00:00:00

abstract：:Hyperactive dog thyroids were prepared by repeated TSH stimulation in vivo. Butanol-extractable 125I (BE125I) release in vitro from slices and hormonal secretion in vivo in the thyroid vein was enhanced. Apical pseudopods and colloid droplets were very infrequent in such hyperactive thyroids. Moreover, BE125I release ...

journal_title：Endocrinology

authors： Rocmans PA,Ketelbant-Balasse P,Dumont JE,Neve P

更新日期：1978-11-01 00:00:00

abstract：:It is still controversial whether the bone-derived hormone fibroblast growth factor-23 (FGF23) has additional physiological functions apart from its well-known suppressive actions on renal phosphate reabsorption and vitamin D hormone synthesis. Here we analyzed premature aging, mineral homeostasis, carbohydrate metabo...

journal_title：Endocrinology

authors： Streicher C,Zeitz U,Andrukhova O,Rupprecht A,Pohl E,Larsson TE,Windisch W,Lanske B,Erben RG

更新日期：2012-04-01 00:00:00

abstract：:Nitrogenous compounds were studied for their effect on cGMP levels in the thyroid. Several agents, including sodium nitrite and hydroxylamine, could generate a rise of over 100-fold in cGMP. At a concentration of 20 mM, HN2OH and NaNO2 significantly reduced cAMP levels previously generated by 0.5 mU/ml TSH. If the sli...

journal_title：Endocrinology

authors： Spaulding SW

更新日期：1979-09-01 00:00:00

abstract：:To ascertain whether changes in the pattern of GnRH release from the hypothalmus occur during the 4-day rat estrous cycle, the pattern of LH release was characterized on each day of the estrous cycle, and the results were interpreted in light of the changes in pituitary responsiveness to GnRH previously described by t...

journal_title：Endocrinology

authors： Fox SR,Smith MS

更新日期：1985-04-01 00:00:00

abstract：:Atrial, brain-type, and C-type natriuretic peptides (ANP, BNP, and CNP) act via receptors with intrinsic guanylate cyclase activity. The A-type and B-type ANP receptors are selectively activated by ANP and CNP, respectively. The anterior pituitary is a site of ANP production and action, suggesting a local regulatory f...

journal_title：Endocrinology

authors： McArdle CA,Poch A,Käppler K

更新日期：1993-05-01 00:00:00

abstract：:This study was initiated to investigate the significance of uterine cell death and proliferation during the estrous cycle and early pregnancy and their correlation with sex steroids in hamsters where blastocyst implantation occurs in only progesterone-primed uteri. The results obtained in hamsters were also compared w...

journal_title：Endocrinology

authors： Zhang Q,Paria BC

更新日期：2006-05-01 00:00:00

abstract：:Although reovirus infection may lead to changes in endocrine function in vivo, little is known about the precise interaction of reovirus with endocrine cells. In this study we have examined the effects of reovirus infection on two types of endocrine cells, GH4C1 cells and RINm5F cells. Both type 1 reovirus and type 3 ...

journal_title：Endocrinology

authors： Maratos-Flier E,Goodman MJ,Fields BN,Kahn CR

更新日期：1985-06-01 00:00:00

abstract：:The effects of insulin on lipoprotein lipase (LPL) messenger RNA (mRNA) were studied in mammary glands from virgin and late-pregnant rats. Virgin and pregnant rats (at 17 days of gestation) were subjected to a continuous infusion (35 ml/day) with 50% glucose for 72 h to produce a prolonged hyperinsulinemic-euglycemic ...

journal_title：Endocrinology

authors： Ramos P,Martín-Hidalgo A,Herrera E

更新日期：1999-03-01 00:00:00

abstract：:Aside from studies of a possible synergism between T3 and glucocorticoids in regulating GH mRNA, there have been few previous studies of the modulation by hormones and other factors of glucocorticoid hormone regulation of pituitary cell GH gene expression. We have employed a serum-free medium containing no exogenously...

journal_title：Endocrinology

authors： Gick GG,Bancroft C

更新日期：1987-05-01 00:00:00

abstract：:5-Hydroxytryptamine (5-HT) is synthesized and secreted by thyroid parafollicular (PF) cells. As all PF granules contain 5-HT, it is released whenever PF cells secrete. Because 5-HT stimulates follicular (F) cells and can modulate their response to TSH, 5-HT has been proposed to be a paracrine PF to F cell transmitter....

journal_title：Endocrinology

authors： Tamir H,Hsiung SC,Liu KP,Blakely RD,Russo AF,Clark MS,Nunez EA,Gershon MD

更新日期：1996-10-01 00:00:00

abstract：:PTH-related protein (PTHrP), the major mediator of hypercalcemia of malignancy, reduces tubular phosphate (Pi) reabsorption through its PTH-like renotropic actions. Another peptide detected in tumoral cells, transforming growth factor-beta (TGF beta), has been shown to considerably suppress the sodium-dependent Pi tra...

journal_title：Endocrinology

authors： Law F,Rizzoli R,Bonjour JP

更新日期：1993-07-01 00:00:00

abstract：:For 3 yr, 1-yr synchronized circannual rhythms were found for the chick oviduct weights, amounts of soluble protein, concentrations of the progesterone receptor in this organ, and capacity of this steroid-receptor complex in cytosol in bind in vitro to deoxyribonucleoprotein acceptor sites. By fitting the data with 1-...

journal_title：Endocrinology

authors： Spelsberg TC,Halberg F

更新日期：1980-10-01 00:00:00

abstract：:Adiponectin (ApN) is an adipokine whose expression and plasma levels are inversely related to obesity and insulin-resistant states. Chronic repercussions of ApN treatment or overexpression on adiposity and body weight are still controversial. Here, we generated a transgenic (Tg) mouse model allowing persistent and mod...

journal_title：Endocrinology

authors： Bauche IB,El Mkadem SA,Pottier AM,Senou M,Many MC,Rezsohazy R,Penicaud L,Maeda N,Funahashi T,Brichard SM

更新日期：2007-04-01 00:00:00

abstract：:Human myometrium contains hCG/LH receptors. There are fewer of these receptors during labor compared to no labor at preterm or term deliveries. Exogenous hCG can directly inhibit oxytocin-stimulated human myometrial contractions. These findings suggest that hCG may directly maintain myometrial quiescence during pregna...

journal_title：Endocrinology

authors： Ambrus G,Rao CV

更新日期：1994-12-01 00:00:00