Androgen receptor expression in the testes and epididymides of prenatal and postnatal Sprague-Dawley rats.

Abstract:

:The androgen receptor (AR) plays a critical role in sexual differentiation and in the virilization of the male reproductive system. A clear understanding of AR expression at the early stages of sexual development will help elucidate the sensitivity of perinatal animals to endocrine modulation by external agents, such as some environmental chemicals. Immunohistochemistry was used in this study to localize the AR in the differentiating testis and epididymis of Sprague-Dawley rats starting from gestation day 15 until postnatal day 21. Positive AR staining was found on gestation day 15 in the mesenchymal as well as in the epithelial cells in the mesonephros. Weak staining was also observed in a small number of interstitial cells in the primordial testis at this age. The fetal interstitial and peritubular myoid cells showed positive AR immunoreactivity early in development, but the Sertoli cells did not overtly express the receptors until postnatal day 5. The intensity of staining and number of AR-positive cells in the testis and epididymis increased over time. The epithelium in the mesonephros-derived tissues, including rete testis and epididymis, appeared to exhibit a higher capacity to express AR than the rest of the testicular tissue. The results demonstrate that AR expression in the primordial male reproductive system is highly specific to time and cell type and modify previous understanding on the timing of AR expression in the testicular tissue. Since AR-positive cells at various developmental stages may be potential sites of interaction with chemicals that adversely affect sexual differentiation, improved understanding of AR ontogeny will help in investigating the effects of AR-reactive agents, such as environmental antiandrogens, with respect to specific windows of sensitivity.

journal_name

Endocrine

journal_title

Endocrine

authors

You L,Sar M

doi

10.1385/ENDO:9:3:253

subject

Has Abstract

pub_date

1998-12-01 00:00:00

pages

253-61

issue

3

eissn

1355-008X

issn

1559-0100

pii

ENDO:9:3:253

journal_volume

9

pub_type

杂志文章
  • Somatostatin analogs as primary medical therapy for acromegaly.

    abstract::Acromegaly is a debilitating disease usually caused by a growth-hormone secreting pituitary adenoma. Therapeutic goals include improvement of symptoms, reduction in tumor mass, biochemical normalization, and preservation of pituitary function. Treatment options include transsphenoidal surgery, radiation, and pharmacot...

    journal_title:Endocrine

    pub_type: 杂志文章,评审

    doi:10.1385/ENDO:20:3:291

    authors: Danoff A,Kleinberg D

    更新日期:2003-04-01 00:00:00

  • Differential effects of ovarian steroids and raloxifene on serotonin 1A and 2C receptor protein expression in macaques.

    abstract::To further understand the role of ovarian hormones in the function of the serotonin neural system, we investigated the effects of estradiol (E), progesterone (P), and raloxifene on 5HT 1A and 2C receptor protein expression in the dorsal raphe region using Western blot analysis. Adult rhesus macaques (Macaca mulatta) w...

    journal_title:Endocrine

    pub_type: 杂志文章

    doi:10.1007/s12020-008-9087-5

    authors: Henderson JA,Bethea CL

    更新日期:2008-06-01 00:00:00

  • Estrogen attenuates expression of calcitonin-like immunoreactivity in the anterior pituitary gland.

    abstract::Estrogens increase prolactin (PRL) synthesis and release in rats and humans, whereas pituitary-derived calcitonin-like immunoreactive peptide (pit-CT) inhibits PRL gene expression and release. To test the hypothesis that estrogens stimulate lactotrophs by diminishing pit-CT expression, the present studies examined eff...

    journal_title:Endocrine

    pub_type: 杂志文章

    doi:10.1007/BF02935652

    authors: Li Z,Shah GV

    更新日期:1995-06-01 00:00:00

  • Spectral domain optical coherence tomography based imaging biomarkers for diabetic retinopathy.

    abstract::To evaluate the role of central subfield thickness (CST), cube average thickness (CAT), and cube volume (CV) as imaging biomarkers for severity of diabetic retinopathy within the ETDRS-based grades of retinopathy using spectral domain optical coherence tomography (SD-OCT). This study aims to evaluate the role of macul...

    journal_title:Endocrine

    pub_type: 杂志文章

    doi:10.1007/s12020-019-02093-7

    authors: Saxena S,Caprnda M,Ruia S,Prasad S,Ankita,Fedotova J,Kruzliak P,Krasnik V

    更新日期:2019-12-01 00:00:00

  • Association between whole blood viscosity and arterial stiffness in patients with type 2 diabetes mellitus.

    abstract::Type 2 diabetes mellitus (DM) carries an increased risk for cardiovascular complications. The brachial-ankle pulse wave velocity (baPWV) is an index for early atherosclerotic changes. Recently, the effect of altered blood rheology on atherosclerosis has received attention. Therefore, this study aimed to examine the as...

    journal_title:Endocrine

    pub_type: 杂志文章

    doi:10.1007/s12020-014-0451-3

    authors: Li Y,Tian XX,Liu T,Wang RT

    更新日期:2015-05-01 00:00:00

  • Prognostic importance of baseline neutrophil to lymphocyte ratio in patients with advanced papillary thyroid carcinomas.

    abstract::Inflammation is associated with several tumor development and progression. However, these associations are not clear in well-differentiated thyroid carcinomas. We assessed whether NLR is a useful prognostic marker in patients with papillary thyroid carcinomas (PTC). The medical records of all patients who underwent th...

    journal_title:Endocrine

    pub_type: 杂志文章

    doi:10.1007/s12020-013-0089-6

    authors: Kim JY,Park T,Jeong SH,Jeong CY,Ju YT,Lee YJ,Hong SC,Ha WS,Choi SK,Jung EJ

    更新日期:2014-08-01 00:00:00

  • Fibromyalgia: symptom constellation and potential therapeutic options.

    abstract::Fibromyalgia (FM) is a disease entity consisting of a heterogeneous cluster of symptoms that has thus far eluded identification of a causative etiology. The disease onset appears to follow physiological and/or psychological stressors and involves a subset of symptoms that are consistent with varied disorders found in ...

    journal_title:Endocrine

    pub_type: 杂志文章,评审

    doi:10.1385/ENDO:22:1:67

    authors: Shuer ML

    更新日期:2003-10-01 00:00:00

  • Analyses for susceptibility of rat anterior pituitary cells to prolactin-releasing peptide.

    abstract::We validated the effect of prolactin-releasing peptide (PrRP) on prolactin (PRL) secretion from rat anterior pituitary cells in in vitro culture. We found that culture conditions considerably influenced the response of the anterior pituitary cells to PrRP. Longer culture term (4 d) was required to obtain better respon...

    journal_title:Endocrine

    pub_type: 杂志文章

    doi:10.1385/ENDO:12:3:215

    authors: Kawamata Y,Fujii R,Fukusumi S,Habata Y,Hosoya M,Hinuma S,Kitada C,Onda H,Nishimura O,Fujino M

    更新日期:2000-06-01 00:00:00

  • Identification of human somatostatin receptor 2 domains involved in internalization and signaling in QGP-1 pancreatic neuroendocrine tumor cell line.

    abstract::Somatostatin exerts inhibitory effects on hormone secretion and cell proliferation via five receptor subtypes (SST1-SST5), whose internalization is regulated by β-arrestins. The receptor domains involved in these effects have been only partially elucidated. The aim of the study is to characterize the molecular mechani...

    journal_title:Endocrine

    pub_type: 杂志文章

    doi:10.1007/s12020-016-1026-2

    authors: Cambiaghi V,Vitali E,Morone D,Peverelli E,Spada A,Mantovani G,Lania AG

    更新日期:2017-04-01 00:00:00

  • Lack of association between interleukin-4 gene polymorphisms and autoimmune thyroid diseases amongst Taiwanese Chinese.

    abstract::Graves' disease (GD) and Hashimoto's thyroiditis (HT) are both common autoimmune diseases of the thyroid gland (AITD). The IL-4 is involved in both humoral and cellular immunity. The aim of this study was to test whether the IL-4 gene could be used as a genetic marker to predict the development of AITD amongst the Chi...

    journal_title:Endocrine

    pub_type: 杂志文章

    doi:10.1007/s12020-007-9027-9

    authors: Chen RH,Chang CT,Wang TY,Chen CC,Tsai CH,Tsai FJ

    更新日期:2007-10-01 00:00:00

  • Reduced DNA methylation of FKBP5 in Cushing's syndrome.

    abstract::FKBP5 encodes a co-chaperone of HSP90 protein that regulates intracellular glucocorticoid receptor sensitivity. When it is bound to the glucocorticoid receptor complex, cortisol binds with lower affinity to glucocorticoid receptor. Cushing's syndrome is associated with memory deficits, smaller hippocampal volumes, and...

    journal_title:Endocrine

    pub_type: 杂志文章

    doi:10.1007/s12020-016-1083-6

    authors: Resmini E,Santos A,Aulinas A,Webb SM,Vives-Gilabert Y,Cox O,Wand G,Lee RS

    更新日期:2016-12-01 00:00:00

  • Diabetes self-management education reduces risk of all-cause mortality in type 2 diabetes patients: a systematic review and meta-analysis.

    abstract:BACKGROUND:Diabetes self-management education is an essential part of diabetes care, but its impact on all-cause mortality risk of type 2 diabetes patients is unclear. A systematic review and meta-analysis aiming to elucidate the impact of diabetes self-management education on all-cause mortality risk of type 2 diabete...

    journal_title:Endocrine

    pub_type: 杂志文章,meta分析,评审

    doi:10.1007/s12020-016-1168-2

    authors: He X,Li J,Wang B,Yao Q,Li L,Song R,Shi X,Zhang JA

    更新日期:2017-03-01 00:00:00

  • Association between leisure time physical activity and metabolic syndrome: a meta-analysis of prospective cohort studies.

    abstract::A great number of prospective studies have investigated the relationship between leisure time physical activity (LTPA) and metabolic syndrome (MetS) risk. However, the results have been inconsistent. The aim of this study was to clarify the relationship between LTPA and MetS risk. Literature databases were searched in...

    journal_title:Endocrine

    pub_type: 杂志文章,meta分析

    doi:10.1007/s12020-013-0110-0

    authors: He D,Xi B,Xue J,Huai P,Zhang M,Li J

    更新日期:2014-06-01 00:00:00

  • Calmodulin and a cyclic nucleotide-dependent protein kinase facilitate the prolactin-induced increase in tyrosine hydroxylase activity in tuberoinfundibular dopaminergic neurons.

    abstract::Many aspects of tuberoinfundibular dopaminergic neuronal function are increased by elevated prolactin (PRL) levels, including the activity of tyrosine hydroxylase, the rate-limiting enzyme in the biosynthesis of dopamine. This study evaluated the roles of calmodulin, cyclic nucleotide-dependent protein kinase, and cal...

    journal_title:Endocrine

    pub_type: 杂志文章

    doi:10.1385/ENDO:16:2:105

    authors: Arbogast LA

    更新日期:2001-11-01 00:00:00

  • Exosomal microRNA-29a mediates cardiac dysfunction and mitochondrial inactivity in obesity-related cardiomyopathy.

    abstract:PURPOSE:Present study aims to explore the pathophysiological role of microRNA (miR)-29a in the process of obesity-related cardiomyopathy in human subjects and mice. METHODS:The expression level of circulating exosomal miR-29a was measured in 37 lean and 30 obese human subjects, and correlated with cardiac parameters. ...

    journal_title:Endocrine

    pub_type: 杂志文章

    doi:10.1007/s12020-018-1753-7

    authors: Li F,Zhang K,Xu T,Du W,Yu B,Liu Y,Nie H

    更新日期:2019-03-01 00:00:00

  • Metabolic syndrome and the risk of cardiovascular complications in young patients with different phenotypes of polycystic ovary syndrome.

    abstract:PURPOSE:Insulin resistance is an important factor in the pathogenesis of polycystic ovary syndrome (PCOS), which is associated with higher risk of metabolic syndrome (MetS) and cardiovascular complications. Early atherosclerotic lesions may be diagnosed by ultrasonographic parameters: brachial artery flow-mediated dila...

    journal_title:Endocrine

    pub_type: 杂志文章

    doi:10.1007/s12020-020-02596-8

    authors: Krentowska A,Łebkowska A,Jacewicz-Święcka M,Hryniewicka J,Leśniewska M,Adamska A,Kowalska I

    更新日期:2021-01-13 00:00:00

  • The effects of experimental hyperthyroidism on hemorheology and plasma fibrinogen concentration.

    abstract::The present study in female rats determined the effects of experimental hyperthyroidsm on hemorheological parameters and fibrinogen concentration. To induce experimental hyperthyroidism L-thyroxine (0.4 mg/100 g fodder) was added to the fodder of the experimental group rats for 20 d. After experimental duration, T3, T...

    journal_title:Endocrine

    pub_type: 杂志文章

    doi:10.1385/ENDO:30:2:203

    authors: Ozdemir S,Yücel R,Dariyerli N,Toplan S,Akyolcu MC,Yigit G,Hatemi H

    更新日期:2006-10-01 00:00:00

  • Expression of interleukin-15 and inflammatory cytokines in skeletal muscles of STZ-induced diabetic rats: effect of resistance exercise training.

    abstract::Skeletal muscle atrophy is associated with type-1 diabetes. Skeletal muscle is the source of pro- and anti-inflammatory cytokines that can mediate muscle hypertrophy and atrophy, while resistance exercise can modulate both muscle mass and muscle cytokine expression. This study determined the effects of a 5-week resist...

    journal_title:Endocrine

    pub_type: 杂志文章

    doi:10.1007/s12020-013-0038-4

    authors: Molanouri Shamsi M,Hassan ZH,Gharakhanlou R,Quinn LS,Azadmanesh K,Baghersad L,Isanejad A,Mahdavi M

    更新日期:2014-05-01 00:00:00

  • Type 2 diabetes and cardiovascular prevention: the dogmas disputed.

    abstract::In randomized controlled trials (RCTs), more intensive glucose control in patients with type 2 diabetes leads to a modest (9%) reduction in major cardiovascular events (MACE), associated with a 20% reduction of kidney events and 13% reduction of eye events. The FDA issued guidance in 2008 led to the conduct of numerou...

    journal_title:Endocrine

    pub_type: 杂志文章

    doi:10.1007/s12020-017-1418-y

    authors: Giugliano D,Maiorino MI,Bellastella G,Esposito K

    更新日期:2018-05-01 00:00:00

  • Elements in the pathophysiology of diminished growth hormone (GH) secretion in aging humans.

    abstract::Remarkable decreases in growth hormone (GH) secretion accompany healthy aging. The pathophysiology of this hyposomatotropism is confounded by concurrent changes in body composition (with increased visceral fat), physiological declines in estrogen and androgen concentrations, differences in gender responses to aging, a...

    journal_title:Endocrine

    pub_type: 杂志文章,评审

    doi:10.1007/BF02778061

    authors: Veldhuis JD,Iranmanesh A,Weltman A

    更新日期:1997-08-01 00:00:00

  • Expression of prolactin receptors in the duodenum, kidneys and skeletal system during physiological and sulpiride-induced hyperprolactinaemia.

    abstract:INTRODUCTION AND AIM:Hyperprolactinaemia in pregnancy leads to mild and reversible changes in the maternal skeletal system, and medicamentous hyperprolactinemia causes more detrimental effects. We conducted an experimental study to evaluate differences between Prlr gene expression in the duodenum, vertebrae and kidneys...

    journal_title:Endocrine

    pub_type: 杂志文章

    doi:10.1007/s12020-018-1730-1

    authors: Radojkovic D,Pesic M,Radojkovic M,Dimic D,Vukelic Nikolic M,Jevtovic Stoimenov T,Radenkovic S,Velojic Golubovic M,Radjenovic Petkovic T,Antic S

    更新日期:2018-12-01 00:00:00

  • True MEN1 or phenocopy? Evidence for geno-phenotypic correlations in MEN1 syndrome.

    abstract:PURPOSE:Multiple endocrine neoplasia type 1 is a rare tumor syndrome caused by germline mutations of MEN1 gene. Phenotype varies widely, and no definitive correlation with the genotype has been observed. Mutation-negative patients with MEN1-associated tumors represent phenocopies. By comparing mutation-positive and mut...

    journal_title:Endocrine

    pub_type: 杂志文章

    doi:10.1007/s12020-019-01932-x

    authors: Kövesdi A,Tóth M,Butz H,Szücs N,Sármán B,Pusztai P,Tőke J,Reismann P,Fáklya M,Tóth G,Somogyi A,Borka K,Erdei A,Nagy EV,Deák V,Valkusz Z,Igaz P,Patócs A,Grolmusz VK

    更新日期:2019-08-01 00:00:00

  • An oral high dose of cholecalciferol restores vitamin D status in deficient postmenopausal HIV-1-infected women independently of protease inhibitors therapy: a pilot study.

    abstract::The best repletion and maintenance dosing regimens with cholecalciferol in vitamin D-deficient HIV-1 patients remain unknown. Protease inhibitors (PIs) have been shown to inhibit vitamin D 1α- and 25α-hydroxylation in hepatocyte and monocyte cultures. We therefore evaluated the effect of a single high dose of cholecal...

    journal_title:Endocrine

    pub_type: 杂志文章

    doi:10.1007/s12020-015-0693-8

    authors: Pepe J,Mezzaroma I,Fantauzzi A,Falciano M,Salotti A,Di Traglia M,Diacinti D,Biondi P,Cipriani C,Cilli M,Minisola S

    更新日期:2016-07-01 00:00:00

  • Neuropeptide Y and gamma-melanocyte stimulating hormone (gamma-MSH) share a common pressor mechanism of action.

    abstract::Central circuits known to regulate food intake and energy expenditure also affect central cardiovascular regulation. For example, both the melanocortin and neuropeptide Y (NPY) peptide families, known to regulate food intake, also produce central hypertensive effects. Members of both families share a similar C-termina...

    journal_title:Endocrine

    pub_type: 杂志文章

    doi:10.1007/s12020-008-9141-3

    authors: Gruber KA,Fan W,Akerberg H,Larhammar D,Chee MJ,Colmers WF,Cone RD

    更新日期:2009-06-01 00:00:00

  • Utility of the trabecular bone score (TBS) in secondary osteoporosis.

    abstract::Altered bone micro-architecture is an important factor in accounting for fragility fractures. Until recently, it has not been possible to gain information about skeletal microstructure in a way that is clinically feasible. Bone biopsy is essentially a research tool. High-resolution peripheral Quantitative Computed Tom...

    journal_title:Endocrine

    pub_type: 杂志文章,评审

    doi:10.1007/s12020-014-0280-4

    authors: Ulivieri FM,Silva BC,Sardanelli F,Hans D,Bilezikian JP,Caudarella R

    更新日期:2014-11-01 00:00:00

  • Bone turnover and mineral density in adult thalassemic patients: relationships with growth hormone secretory status and circulating somatomedins.

    abstract::Previous evidence supports a role for growth hormone (GH)-insulin-like growth factor (IGF)-I deficiency in the pathophysiology of osteopenia/osteoporosis in adult thalassemia. Moreover, serum IGF-II has never been studied in this clinical condition. Thus, we elected to study the GH secretory status and the levels of c...

    journal_title:Endocrine

    pub_type: 杂志文章

    doi:10.1007/s12020-016-0865-1

    authors: Scacchi M,Danesi L,Cattaneo A,Sciortino G,Radin R,Ambrogio AG,Vitale G,D'Angelo E,Mirra N,Zanaboni L,Arvigo M,Boschetti M,Ferone D,Marzullo P,Baldini M,Cassinerio E,Cappellini MD,Persani L,Cavagnini F

    更新日期:2016-08-01 00:00:00

  • Presence of ghrelin in normal and adenomatous human pituitary.

    abstract::Recently, an endogenous ligand has been described for the growth hormone secretagogue receptor (GHS-R), named ghrelin. It was originally isolated from the stomach, but it is also present in the hypothalamus, where the highest concentration of GHS-R has been detected. It is well established that synthetic GHSs exert th...

    journal_title:Endocrine

    pub_type: 杂志文章

    doi:10.1385/ENDO:14:1:101

    authors: Korbonits M,Kojima M,Kangawa K,Grossman AB

    更新日期:2001-02-01 00:00:00

  • Changes in oxidized low-density lipoprotein cholesterol are associated with changes in handgrip strength in Japanese community-dwelling persons.

    abstract::Nordic walking (NW), characterized by the use of two walking poles, has positive effects on several muscle groups. Muscle strength and mass decrease with age, and recently, this decrease is defined as sarcopenia. Sarcopenia may be triggered by oxidative stress. We investigated whether changes in the oxidative stress m...

    journal_title:Endocrine

    pub_type: 杂志文章

    doi:10.1007/s12020-014-0360-5

    authors: Kawamoto R,Kohara K,Katoh T,Kusunoki T,Ohtsuka N,Abe M,Kumagi T,Miki T

    更新日期:2015-04-01 00:00:00

  • The association of obesity with hearing thresholds in women aged 18-40 years.

    abstract::An elevation in hearing thresholds and decrease in hearing sensitivity in adults, particularly due to aging, are quite common. Recent studies have shown that, apart from aging, various other factors also play a role in auditory changes. Studies on the association of hearing loss (HL) with obesity are limited in advanc...

    journal_title:Endocrine

    pub_type: 杂志文章

    doi:10.1007/s12020-015-0755-y

    authors: Üçler R,Turan M,Garça F,Acar İ,Atmaca M,Çankaya H

    更新日期:2016-04-01 00:00:00

  • Total, direct, and indirect serum bilirubin concentrations and metabolic syndrome among the Korean population.

    abstract::Total bilirubin, not direct or indirect bilirubin, has been reported to associate inversely with metabolic syndrome. Therefore, we aimed to evaluate the association between bilirubin subtypes and metabolic syndrome among the Korean population. This study included 5,231 Koreans (3,008 men, 2,223 women) aged 30-87 years...

    journal_title:Endocrine

    pub_type: 杂志文章

    doi:10.1007/s12020-010-9417-2

    authors: Jo J,Yun JE,Lee H,Kimm H,Jee SH

    更新日期:2011-04-01 00:00:00