Endocrine Abstracts

We report the case of 57-year-old man with end-stage renal disease, primary hyperparathyroidism and after an surgery of upper parathyroid glands with ectopic parathyroid localized in lung. Patient was directed to our hospital to perform diagnostics on hyperparathyroidism. Two years earlier (2011) patient was hospitalized because of weakness and weight loss, and was diagnosed with primary hyperparathyroidism. In 2012 he underwent the bilateral parathyroidectomy of upper glands ...

Background: In our earlier study we found that pituitary adenomas, like other human tumours, express ectopically follicle stimulating hormone receptors FSH in intratumoral blood vessels endothelia and/or tumoral cells. The aim of the present paper is to provide the more detailed data on FSHR expression in different subtypes of pituitary adenomas and to evaluate its possible role as a prognostic and/or predictive biomarker in these tumours.Material and me...

Introduction: Adrenocortical carcinoma (ACC) is characterized by the high malignancy of the lesion, poor prognosis and high mortality rate. The surgical treatment and available chemotherapy have generally low efficacy so the search for new therapeutic options is still necessary. Some research indicated that thiazolidinediones (TZDs)–synthetic ligands of peroxisome proliferator-activated receptor γ (PPARγ) have oncostatic action on neoplasm, including endocrine t...

Exposure of pregnant sheep to increased concentrations of testosterone during midgestation results in a PCOS-like condition in the female offspring that includes increased hepatic IGF1. The aim of this study was to investigate the molecular pathophysiology of this increase. We studied 11-month-old female offspring whose mother had been treated with testosterone propionate (TP: 100 mg) in oil (n=8), or oil control (n=4) twice weekly from day 62 to 102 gestatio...

Objective: Genetic factors play a major role in obesity. Numerous studies have confirmed associations of the SNP rs9930506 of FTO gene with increased BMI, hip circumference and total body weight. The metabolic consequences of obesity depend, to a large degree, on body fat distribution.MONW individuals (metabolically obese normal-weight), despite their normal BMI, are characterized by visceral obesity and display metabolic properties that may pre...

Introduction: Macroforms of prolactin (PRL), the most often macroprolactin (MaPRL), may be the cause of about 25% cases of laboratory diagnosed hyperprolactinaemia. Macroprolactin is usually quantified by polyethylene glycol precipitation, however, the cut-off value (that means the calculated recovery ratio of monomeric PRL) has not been precisely determined and has rather unsatisfactory diagnostic specificity. Therefore, it is suggested that the evaluation of hyperprolactinae...

Introduction: Mutations in FSHβ gene leading to isolated follicle-stimulating hormone (FSH) deficiency are very rare and the disorder is inherited in an autosomal recessive manner. Up to date, only few case reports have been described in the literature.Case report: 25-years old woman was admitted to the Endocrinology Department with a suspicion of FSH deficiency. She was firstly diagnosed with primary amenorrhoea and impaired pubertal development at...

Background: O-6-Methylguanine-DNA-methyltransferase (MGMT) is a DNA repair enzyme. It has been demonstrated that its higher expression counteracts cytotoxicity of alkylating agents used in the treatment of glioblastoma or invasive pituitary tumors. Little is known on the relationships between MGMT expression and invasiveness of corticotroph adenomas in Cushing disease (CD).The Aim: To evaluate MGMT expression and its associations with clinical, neuropath...

Background: The potential for a healthy life is programmed by in utero development. Fetal development is impacted by perturbed hormonal signalling, with lifelong consequences. Polycystic Ovary Syndrome (PCOS), affecting over 10% of women, is an important condition linked to an altered prenatal endocrine environment. Women with PCOS have increased androgen concentrations, including during pregnancy. Increased prenatal androgen exposure is associated with a PCOS-phenoty...

It was established that androgens are able to modulate luteal function during pregnancy by stimulation of corpus luteum (CL) progesterone release. In pigs, CL is the main source of progesterone through the entire gestation. Our previous study revealed that porcine CL is capable of androgen synthesis during second half of pregnancy. Therefore, we suggest that androgens, in addition to progesterone, are essential for the maintenance of pregnancy in pigs.Th...