Abstract:
:Peroxisome proliferator activated receptor (PPAR)gamma plays a pivotal role in regulating adipocyte differentiation and metabolism, but also has an antiproliferative effect in several tissues, including colonic mucosa, where it is highly expressed. Loss-of-function mutations have been reported in about 10% of sporadic primary colon cancer. Acromegalic patients have an increased prevalence of colonic neoplasms and lower PPARgamma levels in the colonic mucosa. Thus, PPARgamma may act as a tumor suppressor gene, and its reduced expression or loss-of-function mutations may contribute to tumorigenesis. In this study the expression and mutations of the PPARgamma gene in the colonic polyps and mucosa outside polyps were investigated in 10 acromegalic and 17 non-acromegalic patients. PPARgamma expression was evaluated by RT-PCR. PPARgamma was expressed in each sample, but expression appeared to be lower in polyps than in mucosa outside polyps from either acromegalic or non-acromegalic patients. All exons of the PPARgamma gene were directly sequenced after PCR amplification: no mutations were found either in acromegalic or in non-acromegalic patients. In conclusion, the results of this preliminary study suggest that the lower expression of PPARgamma rather than somatic mutations of this gene is involved in colonic tumorigenesis.
journal_name
J Endocrinol Investjournal_title
Journal of endocrinological investigationauthors
Bogazzi F,Ultimieri F,Raggi F,Russo D,Brogioni S,Cosci C,Gasperi M,Costa A,Viacava P,Mosca F,Bartalena L,Martino Edoi
10.1007/BF03345249keywords:
subject
Has Abstractpub_date
2003-11-01 00:00:00pages
1054-8issue
11eissn
0391-4097issn
1720-8386pii
5488journal_volume
26pub_type
杂志文章abstract::Estrogen (E) and progesterone (Pg) receptor (R) levels were determined in the human vagina in relation to menopausal status, day of ovarian cycle and pregnancy. The results obtained confirmed that the human vagina contains ER and, in addition, demonstrated for the first time the presence of PgR in this organ in humans...
journal_title:Journal of endocrinological investigation
pub_type: 杂志文章
doi:10.1007/BF03350667
更新日期:1985-04-01 00:00:00
abstract::In healthy pregnant women, the regulation of thyroid function depends upon several factors. Three factors act independently to increase thyroid hormone requirements: 1) the marked increase in the binding capacity of serum due to high TBG levels; 2) the direct stimulation of the thyroid by human chorionic gonadotropin,...
journal_title:Journal of endocrinological investigation
pub_type: 杂志文章,评审
doi:10.1007/BF03348861
更新日期:1993-05-01 00:00:00
abstract:BACKGROUND:Increasing evidence showed that telomere length was shorter in age-related diseases, but the mechanism of this phenomenon is still unclear. AIM:To determine whether telomere shortening occurs in Type 1 diabetes (T1D) and Type 2 diabetes (T2D), and explore the effect of antioxidant status on the telomere len...
journal_title:Journal of endocrinological investigation
pub_type: 杂志文章
doi:10.3275/9036
更新日期:2013-12-01 00:00:00
abstract:BACKGROUND:Visfatin [pre-B cell colony- enhancing factor (PBEF)] is a cytokine highly expressed in visceral fat that exhibits insulin-mimetic properties. However, its role in insulin-resistant states, such as in metabolic syndrome (MetS), remains largely unknown. OBJECTIVE:To investigate the possible differences of pl...
journal_title:Journal of endocrinological investigation
pub_type: 杂志文章
doi:10.1007/BF03346300
更新日期:2007-04-01 00:00:00
abstract::Basal IGF-I levels and the GH response to at least two among provocative stimuli such as clonidine (CLO, Catapresan, 150 mcg/m2 p.o.), GHRH (1 mcg/kg i.v.)+arginine (ARG, 0.5 g/kg i.v. infusion during 30 min) and GHRH+pyridostigmine (PD, Mestinon cpr 60 mg p.o.) have been evaluated in 43 children with Prader-Willi syn...
journal_title:Journal of endocrinological investigation
pub_type: 临床试验,杂志文章
doi:10.1007/BF03343684
更新日期:2000-02-01 00:00:00
abstract::Male to female sex reversal results from failure of testis development. Mutations in the SRY gene or in other genes involved in the sexual differentiation pathway are considered to cause XY gonadal dysgenesis. The majority of the mutations in the SRY described so far are located within the SRY coding region, mainly in...
journal_title:Journal of endocrinological investigation
pub_type: 杂志文章
doi:10.1007/BF03347266
更新日期:2005-07-01 00:00:00
abstract::The outcome of radioiodine therapy of Graves' hyperthyroidism was retrospectively evaluated in 274 consecutive patients treated from 1975 to 1984. At 1-yr follow-up, permanent hypothyroidism occurred in 36.9% of patients and the cumulative incidence of hypothyroidism progressively increased up to 79.3% after 7-10 yr. ...
journal_title:Journal of endocrinological investigation
pub_type: 杂志文章
doi:10.1007/BF03348615
更新日期:1990-06-01 00:00:00
abstract::Total and free thyroid hormones (T3, T4, FT3, FT4), TSH and PRL were determined in basal conditions and after stimulation with TRH in 32 patients affected by autonomous thyroid nodules before and after nodulectomy and in 24 control subjects. Only 7 patients were clinically thyrotoxic and thyroid hormone concentrations...
journal_title:Journal of endocrinological investigation
pub_type: 杂志文章
doi:10.1007/BF03350607
更新日期:1983-06-01 00:00:00
abstract::Endothelins (ETs) are potent vasoconstrictive peptides released from the endothelium and other tissues, which act on target cells by receptorial calcium-mediated mechanisms. ET-1 levels are increased in diabetes, and observations suggest the involvement of ETs in the pathogenesis of diabetic angiopathy. However, it is...
journal_title:Journal of endocrinological investigation
pub_type: 杂志文章
doi:10.1007/BF03343715
更新日期:2000-04-01 00:00:00
abstract::Estrogen deficiency in females and androgen deficiency in males may harm periosteal and endosteal apposition, reduce bone size and both cortical and trabecular thickness, modifying in this way the bone structure later in life. To date, few systematic studies on bone mineral density (BMD) and hypogonadism in adolescent...
journal_title:Journal of endocrinological investigation
pub_type: 杂志文章
doi:10.1007/BF03346513
更新日期:2009-07-01 00:00:00
abstract::Severe bleeding into the peritoneal cavity from a ruptured ovulatory follicle is a rare complication in women receiving anticoagulation therapy. A number of both surgical and non surgical methods have been proposed to solve this problem. We adopted a novel therapeutic approach in a 40-year old patient who presented wi...
journal_title:Journal of endocrinological investigation
pub_type: 杂志文章
doi:10.1007/BF03348998
更新日期:1994-05-01 00:00:00
abstract:BACKGROUND:The significance of vitamin D deficiency in the incidence of bone fractures in children has been under investigated. Here, we aimed to associate serum 25-hydroxyvitamin D levels and fractures in Saudi children. MATERIALS AND METHODS:This cross-sectional study was conducted in 1022 Saudi children without fra...
journal_title:Journal of endocrinological investigation
pub_type: 杂志文章
doi:10.1007/s40618-016-0496-7
更新日期:2016-10-01 00:00:00
abstract::The long-acting somatostatin analogue SMS 201-995 has been used efficaciously in the therapy of metastatic carcinoid tumor, vasoactive intestinal peptide producing islet cell carcinoma, acromegaly, and TSH secreting pituitary tumors. We report the development of a gallstone in a patient treated for 23 months with a lo...
journal_title:Journal of endocrinological investigation
pub_type: 杂志文章
doi:10.1007/BF03348589
更新日期:1990-01-01 00:00:00
abstract::Tumor-induced osteomalacia (TIO), also known as "oncogenic osteomalacia", is a rare cause of osteomalacia. TIO often has an insidious onset characterized clinically by progressive muscle weakness and bone pain with fractures. The hallmark biochemical finding is a persistent low serum phosphorus concentration due to re...
journal_title:Journal of endocrinological investigation
pub_type: 杂志文章,评审
doi:10.1007/s40618-018-0849-5
更新日期:2018-10-01 00:00:00
abstract::Anorexia nervosa (AN) is a complex mental disorder presenting psychiatric and physical symptoms. Literature recognizes the role of several factors in the pathogenesis of this disorder, according to the biopsychosocial model. Many mechanisms are still partly unclear. Endocrine and metabolic alterations usually occur in...
journal_title:Journal of endocrinological investigation
pub_type: 杂志文章,评审
doi:10.1007/BF03347545
更新日期:2004-11-01 00:00:00
abstract::Although adjustments to nutritional lifestyle and increased physical activity remain the milestones of weight loss therapy, it is evident from the exponential increase of the number of obese subjects in Western countries that these two approaches alone are no longer able to limit this progression. This alarming phenom...
journal_title:Journal of endocrinological investigation
pub_type: 杂志文章,评审
doi:
更新日期:2006-01-01 00:00:00
abstract:PURPOSE:Although a nation-wide salt iodization program on voluntary basis was implemented in 2005, many areas in our country are still characterized by mild iodine deficiency. Differently from the rest of Italy, an efficient program of iodine prophylaxis was implemented in 1981 in the Autonomous Province of Bolzano. Th...
journal_title:Journal of endocrinological investigation
pub_type: 杂志文章
doi:10.1007/s40618-014-0206-2
更新日期:2015-02-01 00:00:00
abstract::The 24-h profiles of plasma cortisol (F), 11-beta-hydroxyandrostenedione (11OHAD), androstenedione (AD), dehydroisoandrosterone (DHEA) and testosterone (T) were obtained simultaneously in 11 normal males sampled at 15-min intervals. The data were submitted to a detailed quantitative analysis including the estimation o...
journal_title:Journal of endocrinological investigation
pub_type: 杂志文章
doi:10.1007/BF03348129
更新日期:1987-06-01 00:00:00
abstract:PURPOSE:We did a meta-analysis with meta-regression to evaluate the relationship between hemoglobin A1c (A1C) reduction and the primary CV outcome of cardiovascular outcome trials (CVOTs). METHODS:We used a random effects meta-analysis of the 12 CVOTs to quantify the effect of A1C reduction on major cardiovascular eve...
journal_title:Journal of endocrinological investigation
pub_type: 杂志文章,meta分析
doi:10.1007/s40618-019-01047-0
更新日期:2019-10-01 00:00:00
abstract::Forty-eight morbidly obese patients were placed on a very low calorie (800 kcal) formula diet (OPTIFAST) for a 10-week period with the goal of achieving 10% weight loss within this time. Weekly serum leptin measurements were performed to determine whether changes in this adipose protein would serve as a useful marker ...
journal_title:Journal of endocrinological investigation
pub_type: 杂志文章
doi:10.1007/BF03343943
更新日期:2001-12-01 00:00:00
abstract::Rats bearing mammosomatotropic tumors have raised insulin but lowered glucose concentrations. To determine if growth hormone (GH) secreted by these tumors causes insulin antagonism, pancreatic suppression tests utilizing infusions (per kg per min) of glucose (8 mg), insulin (200 ng) and somatostatin (1.4 micrograms) f...
journal_title:Journal of endocrinological investigation
pub_type: 杂志文章
doi:10.1007/BF03346996
更新日期:1987-12-01 00:00:00
abstract::The recent development of new medications for the treatment of the sexual dysfunction increased the possibility of improving the altered sexual performance. Although initially designed for the treatment of male sexual dysfunction, erectile dysfunction in particular, these substances have now been tested for the therap...
journal_title:Journal of endocrinological investigation
pub_type: 杂志文章,评审
doi:
更新日期:2003-01-01 00:00:00
abstract::Raloxifene (RLX), a selective estrogen receptor modulator (SERM), is currently indicated for the prevention and treatment of post-menopausal osteoporosis. At present, RLX is evaluated in other areas of study that include the reduction of the risk of breast cancer and cardiovascular (CV) disease in post-menopausal wome...
journal_title:Journal of endocrinological investigation
pub_type: 杂志文章,评审
doi:
更新日期:2005-01-01 00:00:00
abstract::Patients with simple exogenous obesity are characterized by increased B-endorphin (B-EP) plasma levels, despite normal ACTH and B-Lipotropin (B-LPH). To evaluate the origin of such an hyperendorphinemia, 42 obese patients were submitted to a short overnight dexamethasone suppression test (DST: 1 mg at 23:00 h). Blood ...
journal_title:Journal of endocrinological investigation
pub_type: 杂志文章
doi:10.1007/BF03350117
更新日期:1988-02-01 00:00:00
abstract::We report a rare case of bilateral adrenocortical adenomas causing ACTH-independent Cushing's syndrome at different periods 9 yr apart. The subject, a 24-yr-old woman, in June 1989 had a typical Cushingoid appearance. Her baseline plasma cortisol levels did not show a diurnal rhythm and she had a very low baseline pla...
journal_title:Journal of endocrinological investigation
pub_type: 杂志文章
doi:10.1007/BF03351066
更新日期:2004-04-01 00:00:00
abstract:BACKGROUND:Fine needle cytology aspirates (FNA) classified as THY4 are a heterogeneous group suspicious for malignancy [papillary thyroid cancer (PTC)], which is confirmed in 50-80% of cases after surgery. AIM:To better stratify THY4 FNA specimens for the relative risk of malignancy. METHODS:We retrospectively analyz...
journal_title:Journal of endocrinological investigation
pub_type: 杂志文章
doi:10.3275/8958
更新日期:2013-11-01 00:00:00
abstract:AIM:The optimal GH regimen, in terms of cost-effectiveness, in children with normal GH immunoreactivity but reduced bioactivity is still debated. METHODS:In 12 GH-deficient (GHD) and 12 bioinactive GH children undergoing GH treatment we evaluated the increase in growth velocity, the difference between target height an...
journal_title:Journal of endocrinological investigation
pub_type: 杂志文章
doi:10.1007/BF03347461
更新日期:2011-05-01 00:00:00
abstract::Established methods for definitive ablation of autonomous thyroid nodules are surgery and radioiodine. Since it has been demonstrated that percutaneous ethanol injection can inactivate parathyroid adenomas and small hepatocellular carcinomas, we started a trial of this treatment in patients with autonomous thyroid nod...
journal_title:Journal of endocrinological investigation
pub_type: 杂志文章
doi:10.1007/BF03348753
更新日期:1992-05-01 00:00:00
abstract:BACKGROUND:In vitro islet expansion has recently drawn interest for its potential application in diabetes therapy, while how islet cells adapt to in vitro circumstances is not quite clear. AIM:Proteomics changes of cultivated islet cells under different conditions were examined in this study. MATERIAL/SUBJECTS AND ME...
journal_title:Journal of endocrinological investigation
pub_type: 杂志文章
doi:10.3275/7275
更新日期:2011-12-01 00:00:00
abstract::To determine the role of endogenous opioid peptides in regulating pulsatile luteinizing hormone (LH) release in the early follicular phase of the menstrual cycle of eumenorrheic women, we evaluated serum LH concentrations in blood collected every 10 min for 12 h in 27 women each studied during two menstrual cycles: (1...
journal_title:Journal of endocrinological investigation
pub_type: 杂志文章
doi:10.1007/BF03348799
更新日期:1992-07-01 00:00:00