Abstract:
:The recent onslaught of mass spectrometry (MS) to measurements of steroid hormones, including demands that they should be the only acceptable method, has confused clinicians and scientists who have relied for more than 40 years on a variety of immunoassay (IA) methods in steroid hormone measurements. There is little doubt that MS methods with their superior specificity will be the future method of choice in many clinical and research applications of steroid hormone measurement. However, the majority of steroid measurements are currently, and will continue to be, carried out using various types of IAs for several reasons, including their technical ease, cost and availability of commercial reagents. Speedy replacement of all IAs with MS is an unrealistic and unnecessary goal, because the availability of MS measurements is limited by cost, need of expensive equipment, technical demands and lack of commercial applications. Furthermore, IAs have multiple well-known advantages that vindicate their continuing use. The purpose of this article is to elucidate the advantages and limitations of the MS and IA techniques from two angles, i.e. promotion of MS and defence of IA. The purpose of the text is to give the reader an unbiased view about the current state and future trends of steroid analysis and to help him/her choose the correct assay method to serve his/her diagnostic and research needs.
journal_name
Eur J Endocrinoljournal_title
European journal of endocrinologyauthors
Taylor AE,Keevil B,Huhtaniemi ITdoi
10.1530/EJE-15-0338subject
Has Abstractpub_date
2015-08-01 00:00:00pages
D1-12issue
2eissn
0804-4643issn
1479-683Xpii
EJE-15-0338journal_volume
173pub_type
杂志文章,评审abstract:OBJECTIVE:The uncoupling protein 2 (UCP2) uncouples respiration from the oxidative phosphorylation in most cell types, predominantly in white fat and skeletal muscle. Since a decreased basal metabolic rate (BMR) would increase the susceptibility to weight gain, genetic alterations in the UCP2 gene could contribute to t...
journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/eje.0.1390217
更新日期:1998-08-01 00:00:00
abstract:Background:The treatment of acromegaly resistant to first-generation somatostatin receptor ligands (SRLs) is often difficult. Pegvisomant and Pasireotide LAR are mostly used in these subset of patients, as second line therapies. Choice of the type of second line therapies is difficult, since predictors of response are ...
journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/EJE-20-0767
更新日期:2021-02-01 00:00:00
abstract:OBJECTIVE:Previous evidence has suggested that a low sex hormone-binding globulin (SHBG) concentration is associated with insulin-resistance and a low adiponectin concentration. We investigated the association between SHBG and the risk of hyperglycemia in each sex and we determined potential interactions between SHBG a...
journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/EJE-09-0202
更新日期:2009-07-01 00:00:00
abstract:BACKGROUND:Survival rates among childhood cancer survivors (CCS) have enormously increased in the last 40 years. However, this improvement has been achieved at the expense of serious late effects that frequently involve the endocrine system. AIM:To evaluate the cumulative incidence of endocrine diseases in a cohort of...
journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/EJE-12-1043
更新日期:2013-02-20 00:00:00
abstract:CONTEXT AND OBJECTIVE:High-mobility group box-1 (HMGB1) is a pro-inflammatory cytokine that may contribute to the pathogenesis of micro- and macrovascular complications commonly observed in diabetes. We investigated whether HMGB1 is associated with: i) markers of low-grade inflammation (LGI) and endothelial dysfunction...
journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/EJE-11-0662
更新日期:2012-02-01 00:00:00
abstract:OBJECTIVE:To evaluate the effect of the growth factor activin A on the secretion of prolactin (PRL) and GH in cultured GH3 cells. METHODS:The concentrations of PRL and GH secreted from GH3 cells cultured in media with and without activin A were measured by RIA, and the expression of PRL mRNA and GH mRNA were analyzed ...
journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/eje.0.1420506
更新日期:2000-05-01 00:00:00
abstract:OBJECTIVE:Platinum-based chemotherapy (PBC) is the most effective cytotoxic treatment for advanced adrenocortical carcinoma (ACC). Excision repair cross complementing group 1 (ERCC1) plays a critical role in the repair of platinum-induced DNA damage. Two studies investigating the role of ERCC1 immunostaining as a predi...
journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/EJE-17-0788
更新日期:2018-02-01 00:00:00
abstract::Thyroid-stimulating hormone (TSH), like the other pituitary glycoprotein hormones, is produced and secreted as a mixture of isoforms, the majority of which represent differences in oligosaccharide structure and possess different bioactivity. When samples are quantified simultaneously by immunometric assay and bioassay...
journal_title:European journal of endocrinology
pub_type: 杂志文章,评审
doi:10.1530/eje.0.1310331
更新日期:1994-10-01 00:00:00
abstract:OBJECTIVE:In female adrenal insufficiency, dehydroepiandrosterone (DHEA) secretion is impaired and circulating androgen levels are severely reduced. We wanted to analyse the acute effects of physiological DHEA substitution on substrate metabolism. DESIGN:We studied nine females with adrenal insufficiency after 9 days ...
journal_title:European journal of endocrinology
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1530/eje.1.01810
更新日期:2005-01-01 00:00:00
abstract:BACKGROUND:An increased cardiovascular risk and mortality in hypopituitary patients receiving conventional hormonal treatment without GH replacement have been shown in several studies. Various atherogenic risk factors including endothelial dysfunction - an early event in the atherogenesis - are more expressed in adults...
journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/eje.0.1470333
更新日期:2002-09-01 00:00:00
abstract:OBJECTIVE:GHRH is secreted by the hypothalamus and, upon binding to specific GHRH receptors in the pituitary, stimulates growth hormone (GH) production and release from the pituitary. In addition to this neuroendocrine action, accumulated evidence implies additional roles for GHRH in carcinogenesis in non-pituitary tis...
journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/eje.0.1510391
更新日期:2004-09-01 00:00:00
abstract:OBJECTIVE:We measured the total and nonphosphorylated insulin-like growth factor-binding protein (IGFBP)-1 concentrations in obese children to determine the effect of obesity on the status of IGFBP-1 phosphorylation. We also measured the serum levels of insulin, total and free IGF-I, and IGFBP-3 to investigate their re...
journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/eje.0.1410585
更新日期:1999-12-01 00:00:00
abstract::Prediction models are of a great assistance for predicting the development of a disease, detecting or screening undiagnosed patients, predicting the effectiveness of a treatment and helping toward better decision-making. Recently, three predictive scores in the field of autoimmune thyroid disease (AITD) have been intr...
journal_title:European journal of endocrinology
pub_type: 杂志文章,评审
doi:10.1530/EJE-19-0234
更新日期:2019-09-01 00:00:00
abstract:OBJECTIVE:In a preliminary cross-sectional study, we discovered that DNA topoisomerase II autoantibodies (anti-TopII) were detected in 49.2% of 195 Chinese type 1 diabetes mellitus (type 1 DM) patients with a mean age of 14.5 years and a mean duration of disease of 4.6 years. In order to demonstrate the relationship be...
journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/eje.0.1420577
更新日期:2000-06-01 00:00:00
abstract:OBJECTIVE:TSH-secreting pituitary tumors (TSH-omas) are a rare cause of hyperthyroidism and account for <1% of all pituitary adenomas. Failure to recognize the presence of a TSH-oma may result in dramatic consequences such as thyroid ablation that may cause further growth in pituitary tumor. The primary goal of the tre...
journal_title:European journal of endocrinology
pub_type: 杂志文章,评审
doi:10.1530/EJE-07-0098
更新日期:2007-07-01 00:00:00
abstract:OBJECTIVE:To control postprandial hyperglycemia in insulin-treated type 2 diabetic patients, prandial therapy with regular human insulin (HI) or fast acting insulin analogs is used. Postprandial hyperglycemia seems to be reduced more effectively with insulin analogs than with normal insulin, but there are no data conce...
journal_title:European journal of endocrinology
pub_type: 杂志文章,随机对照试验
doi:10.1530/EJE-11-0061
更新日期:2011-08-01 00:00:00
abstract::Ionomycin, which mobilizes Ca2+, and phorbol 12-myristate 13-acetate (PMA), which activates protein kinase C (PKC), were used to compare the effects/interactions of Ca2+ and PKC on luteinizing hormone (LH) secretion from pituitaries of intact male and acutely ovariectomized (72 h) rats. Quartered pituitaries from dono...
journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/eje.0.1300151
更新日期:1994-02-01 00:00:00
abstract::This study has evaluated the behaviour of 3alpha-androstanediol glucuronide (3alpha-diol G) in 170 women of whom 85 had polycystic ovary syndrome (PCOS), 35 had idiopathic hirsutism (IH) and 50 had regular cycles (control group). Of the women with PCOS, 45 were hirsute (PCOS-H) and 40 were non hirsute (PCOS-NH). Women...
journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/eje.0.1380421
更新日期:1998-04-01 00:00:00
abstract::Glycoprotein hormone alpha-subunit (alpha SU) is a recognized product of clinically non-functioning, glycoprotein hormone-secreting and somatotroph adenomas but has not been studied systematically in corticotroph tumours. We have performed immunohistochemistry for alpha SU in a consecutive series of four corticotroph ...
journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/eje.0.1330025
更新日期:1995-07-01 00:00:00
abstract::The present study examined the changes in mRNA levels of a pituitary-specific trans-acting factor, Pit-1, and prolactin during the rat estrous cycle. Total cytoplasmic RNA was analyzed by Northern blot and slot-blot hybridization to examine the prolactin mRNA level. Reverse transcription-polymerase chain reaction (RT-...
journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/eje.0.1320771
更新日期:1995-06-01 00:00:00
abstract:OBJECTIVE:Late diagnosis hinders proper management of small intestine neuroendocrine carcinoma (SI-NEC) patients. The olfactory receptor, family 51, subfamily E, member 1 (OR51E1) has been reported as a potential novel SI-NEC marker, without protein expression recognition. Thus, we further studied whether the encoded p...
journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/EJE-12-0814
更新日期:2013-01-17 00:00:00
abstract::Giant prolactinomas are rare tumours, representing only 2-3% of all prolactin (PRL)-secreting tumours and raising special diagnostic and therapeutic challenges. Based on several considerations developed in this review, their definition should be restricted to pituitary adenomas with a diameter of 40 mm or more, signi...
journal_title:European journal of endocrinology
pub_type: 杂志文章,评审
doi:10.1530/EJE-14-0013
更新日期:2014-06-01 00:00:00
abstract:OBJECTIVE:The alpha(2)-adrenergic receptors are involved in the effects of catecholamines on energy metabolism. Of three known subtypes with differential expression, alpha(2A)-adrenergic receptors are also localized in adipose tissue where they counteract the lipolytic activity of beta-adrenergic receptors. This study ...
journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/eje.0.1440291
更新日期:2001-03-01 00:00:00
abstract::Klinefelter syndrome, 47,XXY (KS), is the most frequent sex chromosome aberration in males, affecting 1 in 660 newborn boys. The syndrome is characterized by testicular destruction with extensive fibrosis and hyalinization of the seminiferous tubules resulting in small testes, hypergonadotropic hypogonadism, and azoos...
journal_title:European journal of endocrinology
pub_type: 杂志文章,评审
doi:10.1530/EJE-12-0934
更新日期:2013-03-15 00:00:00
abstract:OBJECTIVE:In type I diabetes mellitus, early markers of beta cell damage are needed in order to detect the infraclinical development of the disease. The reg protein may be a good candidate, as the reg gene has been proposed to play a role in the pancreatic beta cell destruction/regeneration process during diabetogenesi...
journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/eje.0.1410368
更新日期:1999-10-01 00:00:00
abstract::Bone mineral density (BMD), bone mineral content and body composition were determined in 47 middle-aged (mean age 47.9 +/- 1.1 years) women with Turner's syndrome. Bone mineral density was measured in the forearm, femoral neck and total body. The women investigated had a BMD lower than the normal mean. When expressed ...
journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/eje.0.1320047
更新日期:1995-01-01 00:00:00
abstract::Objective To investigate how weight loss by different diets impacts postprandial levels of glucagon-like peptide 1 (GLP-1), glucose-dependent insulinotropic polypeptide (GIP) and glucagon. Methods In this single-centre, parallel group 2-year trial, 70 healthy postmenopausal obese women were randomised to the Paleolith...
journal_title:European journal of endocrinology
pub_type: 杂志文章,随机对照试验
doi:10.1530/EJE-19-0082
更新日期:2019-06-01 00:00:00
abstract:CONTEXT:Measurements of plasma methoxytyramine, the O-methylated dopamine metabolite, are useful for detecting rare dopamine-producing pheochromocytomas and paragangliomas (PPGLs) and head and neck paragangliomas (HNPGLs), but utility for screening beyond that achieved using standard measurements of normetanephrine and...
journal_title:European journal of endocrinology
pub_type: 杂志文章,多中心研究
doi:10.1530/EJE-17-0077
更新日期:2017-08-01 00:00:00
abstract:OBJECTIVE:Adult height deficit seen in Turner syndrome (TS) originates, in part, from growth retardation in utero and throughout the first 3 years of life. Earlier diagnosis enables earlier therapeutic intervention, such as with recombinant human GH (r-hGH), which may help to prevent growth retardation. In this open-la...
journal_title:European journal of endocrinology
pub_type: 杂志文章,多中心研究
doi:10.1530/EJE-10-1048
更新日期:2011-06-01 00:00:00
abstract:OBJECTIVE:The kisspeptin/GPR54 pathway has been proven to be crucial in the process of puberty onset, yet the polymorphisms in the KISS1 gene and their relationships with central precocious puberty (CPP) have not been investigated. This study was performed to reveal the relationship between the gene and the disease. D...
journal_title:European journal of endocrinology
pub_type: 杂志文章
doi:10.1530/EJE-07-0061
更新日期:2007-07-01 00:00:00