Abstract:
:To explore the mechanism for the hypogonadism associated with prolactin hypersecretion in men we examined luteinizing hormone (LH) secretory profiles in four hyperprolactinaemic men before and during treatment with bromocriptine. Pretreatment serum prolactin levels were increased 4-100 fold and serum testosterone levels were low in three men and low-normal in the fourth subject. Mean LH levels were low-normal and the frequency of spontaneous LH secretory episodes was less than normal in three of four men. Bromocriptine reduced serum prolactin levels to normal; subsequently, serum testosterone levels increased and libido and potency improved markedly in each man. The rise in serum testosterone levels was associated with an increase in mean LH concentrations and in LH pulse frequency. Mean follicle-stimulating hormone levels also increased during bromocriptine treatment. Insofar as each LH pulse is believed to reflect a discharge of gonadotrophin releasing hormone from the anterior hypothalamus, our data suggest that a major abnormality in hyperprolactinaemic men with hypogonadism is a disorder of the neuroregulatory mechanism for pulsatile gonadotrophin-releasing hormone secretion.
journal_name
Clin Endocrinol (Oxf)journal_title
Clinical endocrinologyauthors
Winters SJ,Troen Pdoi
10.1111/j.1365-2265.1984.tb03467.xsubject
Has Abstractpub_date
1984-09-01 00:00:00pages
257-63issue
3eissn
0300-0664issn
1365-2265journal_volume
21pub_type
杂志文章abstract:OBJECTIVE:Iodine deficiency during pregnancy results in thyroid dysfunction and has been associated with adverse obstetric and foetal effects, leading to worldwide salt iodization programmes. As nowadays 69% of the world's population lives in iodine-sufficient regions, we investigated the effects of variation in iodine...
journal_title:Clinical endocrinology
pub_type: 杂志文章
doi:10.1111/cen.12321
更新日期:2014-04-01 00:00:00
abstract:OBJECTIVE:The molecular events leading to the development of GH-secreting pituitary tumours remain largely unknown. Gsalpha (GNAS1) mutations are found in 27-43% of sporadic GH-secreting adenomas in the Caucasian population, but the frequency of GNAS1 mutations in Japanese and Korean acromegalic patients was reported t...
journal_title:Clinical endocrinology
pub_type: 杂志文章
doi:10.1046/j.1365-2265.2003.01740.x
更新日期:2003-04-01 00:00:00
abstract:OBJECTIVE:The association of adrenal hyperactivity with ovarian dysfunction may involve direct inhibition of ovarian steroidogenesis by glucocorticoids. Therefore, the objectives of this study were to investigate the direct effects of cortisol on luteinizing hormone (LH) action in human granulosa-lutein cells and the m...
journal_title:Clinical endocrinology
pub_type: 杂志文章
doi:10.1111/j.1365-2265.1993.tb02147.x
更新日期:1993-06-01 00:00:00
abstract:OBJECTIVE:Quality of life is impaired in polycystic ovary syndrome (PCOS). In this study, we compared the time to first prescription of antidepressants (ADM) in PCOS vs two control groups. DESIGN:Register-based cohort study. PATIENTS:One thousand and one hundred and twenty-four premenopausal women with hirsutism and/...
journal_title:Clinical endocrinology
pub_type: 杂志文章
doi:10.1111/cen.12365
更新日期:2014-06-01 00:00:00
abstract:BACKGROUND:Mutations in PROP1, HESX1 and LHX3 are associated with combined pituitary hormone deficiency (CPHD) and orthotopic posterior pituitary lobe (OPP). OBJECTIVE:To identify mutations in PROP1, HESX1 and LHX3 in a large cohort of patients with CPHD and OPP (35 Brazilian, two Argentinian). DESIGN AND METHODS:We ...
journal_title:Clinical endocrinology
pub_type: 杂志文章
doi:10.1111/cen.13430
更新日期:2017-12-01 00:00:00
abstract:OBJECTIVES:Papillary thyroid microcarcinoma (PTMC) has an excellent prognosis with an indolent disease course. However, some PTMCs have an aggressive course with lateral cervical lymph node (LCLN) metastasis or distant metastasis. This study aimed to evaluate the pre-operative features of PTMC associated with LCLN meta...
journal_title:Clinical endocrinology
pub_type: 杂志文章
doi:10.1111/cen.13322
更新日期:2017-06-01 00:00:00
abstract:OBJECTIVE:We wished to develop optimal criteria for interpreting the single-dose overnight metyrapone test and to compare the diagnostic efficiency of the overnight and the standard 6-dose metyrapone tests for the differential diagnosis of ACTH-dependent Cushing's syndrome. DESIGN:Retrospective pilot study based on al...
journal_title:Clinical endocrinology
pub_type: 杂志文章
doi:10.1046/j.1365-2265.1996.8170827.x
更新日期:1996-10-01 00:00:00
abstract::The glucose and immunoreactive insulin (IRI) responses to a 100 g oral glucose tolerance test (oGTT) administered to 23 acromegalic patients before and after transsphenoidal adenomectomy and to a sex and age-matched control group were studied. The preoperative growth hormone levels, ranging from 11 to 360 mU/l, had no...
journal_title:Clinical endocrinology
pub_type: 杂志文章
doi:10.1111/j.1365-2265.1985.tb00153.x
更新日期:1985-04-01 00:00:00
abstract:OBJECTIVE:We compared IGF-1 and IGFBP3 concentrations in a group of adults treated for brain tumours in childhood with those of matched controls, and investigated the relationship between the GH secretory pattern and IGF-1/IGFBP3 concentrations in the entire group. DESIGN:We performed 24 h serum GH profiles using 20 m...
journal_title:Clinical endocrinology
pub_type: 杂志文章
doi:10.1046/j.1365-2265.1998.00585.x
更新日期:1998-11-01 00:00:00
abstract:BACKGROUND:Iodide organification defects are frequently but not always associated with mutations in the thyroid peroxidase (TPO) gene and characterized by a positive perchlorate discharge test. These mutations phenotypically produce a congenital goitrous hypothyroidism, with an autosomal recessive mode of inheritance. ...
journal_title:Clinical endocrinology
pub_type: 杂志文章
doi:10.1111/j.1365-2265.2007.02869.x
更新日期:2007-08-01 00:00:00
abstract:CONTEXT:The substitution of liothyronine (L-T3) for levothyroxine (L-T4) is commonly employed during thyroid hormone (TH) withdrawal in preparation for diagnostic and therapeutic interventions on thyroid cancer patients. Presently, only limited data are available on the L-T3 for L-T4 therapeutic substitution. Objective...
journal_title:Clinical endocrinology
pub_type: 杂志文章,随机对照试验
doi:10.1111/j.1365-2265.2009.03700.x
更新日期:2010-05-01 00:00:00
abstract::Differentiated thyroid cancer (DTC) is the most common malignancy of the endocrine system. There has been a significant increase in its incidence over the past two decades attributable mainly to the use of more sensitive diagnostic modalities. Ultrasound-guided fine needle aspiration cytology is the mainstay of diagno...
journal_title:Clinical endocrinology
pub_type: 杂志文章,评审
doi:10.1111/cen.13369
更新日期:2017-08-01 00:00:00
abstract::A 25-year-old primigravid woman presented with Cushing's syndrome at 23 weeks gestation; serum cortisol was 1090 nmol/l at 0900 h, 1230 nmol/l at 2200 h; basal urinary free cortisol excretion was 3680 nmol/24 h, and 8830 nmol/24 h after dexamethasone 8 mg daily for 48 hours; plasma ACTH was < 1.1 pmol/l. CT scan of th...
journal_title:Clinical endocrinology
pub_type: 杂志文章
doi:10.1111/j.1365-2265.1993.tb02380.x
更新日期:1993-09-01 00:00:00
abstract:OBJECTIVE:Sex steroid hormones influence bone mineral density (BMD) in women, but are less well-studied in men. We evaluated the association of serum total and free sex steroid hormones and SHBG with osteopaenia in a nationally representative sample of men aged 20-90 years. DESIGN:BMD and sex steroid hormones were mea...
journal_title:Clinical endocrinology
pub_type: 杂志文章
doi:10.1111/j.1365-2265.2008.03300.x
更新日期:2009-01-01 00:00:00
abstract::Uncorrected thyroid dysfunction in pregnancy has well-recognized deleterious effects on foetal and maternal health. The early gestation period is one of the critical foetal vulnerability during which maternal thyroid dysfunction may have lasting repercussions. Accordingly, a pragmatic preconception strategy is key for...
journal_title:Clinical endocrinology
pub_type: 杂志文章,评审
doi:10.1111/cen.13731
更新日期:2018-09-01 00:00:00
abstract:OBJECTIVE:Growth hormone deficiency (GHD) in adults has been associated with impaired health status and quality of life (QoL) in several studies using generic measures, and in a few studies using recently developed disease-specific measures. Theoretically, disease-specific measures may be more sensitive and succinct th...
journal_title:Clinical endocrinology
pub_type: 评论,杂志文章
doi:10.1046/j.1365-2265.2000.00899.x
更新日期:2000-02-01 00:00:00
abstract:OBJECTIVE:Studies assessing quality of life in GH-deficient adults have shown varying results. This may be due to a number of factors including varying causes of GH deficiency, the use of radiotherapy in treatment and patient selection. We aimed to assess whether anterior pituitary hormone deficiency or external pituit...
journal_title:Clinical endocrinology
pub_type: 杂志文章
doi:10.1046/j.1365-2265.1997.1400957.x
更新日期:1997-04-01 00:00:00
abstract::The purpose of this study was to assess the normal relationship between plasma ACTH and cortisol during insulin induced hypoglycaemia. Twenty-six healthy persons were studied. Peak plasma concentration and the amounts of ACTH and cortisol secreted during hypoglycaemia were compared. There was no significant correlatio...
journal_title:Clinical endocrinology
pub_type: 杂志文章
doi:10.1111/j.1365-2265.1978.tb02222.x
更新日期:1978-10-01 00:00:00
abstract::An oestrogen provocation test was performed in five healthy women during chronic intranasal treatment with 400 or 600 micrograms of the superactive LHRH agonist D-Ser(TBU)6-EA10-LHRH daily. Oestradiol benzoate 2.5 mg was administered intramuscularly after at least 3 months of LHRH agonist treatment. The serum levels o...
journal_title:Clinical endocrinology
pub_type: 杂志文章
doi:10.1111/j.1365-2265.1982.tb03158.x
更新日期:1982-02-01 00:00:00
abstract:OBJECTIVE:The metabolic syndrome has been associated with increased mortality in some Caucasian populations, but data in Asian populations are not available. We present data describing the association of the metabolic syndrome with mortality. METHODS:The impact of the US National Cholesterol Education Program Adult Tr...
journal_title:Clinical endocrinology
pub_type: 杂志文章
doi:10.1111/j.1365-2265.2007.02798.x
更新日期:2007-05-01 00:00:00
abstract::Six girls and one boy with precocious puberty were treated with a superactive LHRH analogue (D-TRP6-LHRH) for periods ranging from 1 year to 2 years and 3 months. In the first phase of the treatment it was administered in combination with cyproterone acetate (CyA) to counteract an early stimulatory effect until inhibi...
journal_title:Clinical endocrinology
pub_type: 杂志文章
doi:10.1111/j.1365-2265.1984.tb03433.x
更新日期:1984-04-01 00:00:00
abstract:BACKGROUND:We performed a randomized, double-blind, prospective, 16-week clinical trial to evaluate the efficacy and safety of risedronate with and without cholecalciferol on 25-hydroxyvitamin D [25(OH)D] levels and bone markers in Korean patients with osteoporosis. METHODS:We randomly assigned 164 adults with osteopo...
journal_title:Clinical endocrinology
pub_type: 杂志文章,多中心研究,随机对照试验
doi:10.1111/j.1365-2265.2011.04041.x
更新日期:2011-06-01 00:00:00
abstract:OBJECTIVE:The risk of progression of subclinical hypothyroidism (SCH) to clinical dysfunction is one of the factors considered in the decision to treat this condition. This study evaluated the natural history of SCH in women with TSH ≤10 mIU/l. DESIGN:This is a prospective study. PATIENTS:Two hundred and fifty-two wo...
journal_title:Clinical endocrinology
pub_type: 杂志文章
doi:10.1111/cen.12939
更新日期:2016-06-01 00:00:00
abstract:OBJECTIVES:There is evidence from recent controlled clinical studies that replacement therapy of hypothyroidism with T4 in combination with a small amount of T3 may improve the well-being of the patients. As the issue is still the subject of controversial discussion, our study was assigned to confirm the superiority of...
journal_title:Clinical endocrinology
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1111/j.1365-2265.2004.02050.x
更新日期:2004-06-01 00:00:00
abstract:OBJECTIVE:Vasopressin (AVP) is reported to be an important factor for regulating cortisol secretion in patients with Cushing's syndrome due to ACTH-independent macronodular adrenocortical hyperplasia (AIMAH). Recently, there have been several case reports of subclinical Cushing's syndrome due to AIMAH, in which the pat...
journal_title:Clinical endocrinology
pub_type: 杂志文章
doi:10.1046/j.1365-2265.2003.01963.x
更新日期:2004-02-01 00:00:00
abstract::We report a patient with unilateral thyroid carcinoma, who developed hyperfunction of the thyroid gland during the metastatic progression of the thyroid carcinoma. Concurrently with this event, TSI increased and it is suggested that the differentiated aggressive metastatic thyroid neoplasm had initiated the autoimmune...
journal_title:Clinical endocrinology
pub_type: 杂志文章
doi:10.1111/j.1365-2265.1994.tb01837.x
更新日期:1994-11-01 00:00:00
abstract::Serum prolactin concentrations were measured in nine untreated hypothyroid infants and 23 euthyroid controls. In the former group the serum prolactin concentrations were tenfold higher than the controls (352 vs 34 micrograms/l), declining gradually upon treatment. Although serum prolactin concentrations can be mildly ...
journal_title:Clinical endocrinology
pub_type: 杂志文章
doi:10.1111/j.1365-2265.1986.tb03269.x
更新日期:1986-03-01 00:00:00
abstract:OBJECTIVE:There are advantages and disadvantages with all of the presently available types of testosterone replacement for hypogonadal men. We performed this investigation to establish detailed data about the pharmacokinetics, pharmacodynamics, feasibility and side-effects of subcutaneously implanted testosterone (T) p...
journal_title:Clinical endocrinology
pub_type: 杂志文章
doi:10.1111/j.1365-2265.1996.tb02061.x
更新日期:1996-07-01 00:00:00
abstract:BACKGROUND:Metadherin (MTDH) protein, also called astrocyte elevated gene-1 (AEG-1) is over expressed in a variety of malignant tumours, and is closely related to tumour invasion and the poor prognosis. OBJECTIVE:This study tries to explore the clinical pathological significance of MTDH expression in a large cohort of...
journal_title:Clinical endocrinology
pub_type: 杂志文章
doi:10.1111/cen.12683
更新日期:2015-10-01 00:00:00
abstract::Radioiodine has been in use for over 60 years as a treatment for hyperthyroidism. Major changes in clinical practice have occurred with the realization that accurate dosimetry is incapable of avoiding the risks of hypothyroidism, while more accurate assessment of the risks of other adverse effects of radioiodine such ...
journal_title:Clinical endocrinology
pub_type: 杂志文章,实务指引
doi:10.1111/j.1365-2265.2007.02841.x
更新日期:2007-06-01 00:00:00