Endocrine Abstracts

Background: A previous study suggested an increased absolute and intraindividual variability of insulin resistance (IR) in overweight women with polycystic ovarian syndrome (PCOS) which may contribute to the increase in cardiovascular risk. There had been no previous data on the change in variability of IR in PCOS with treatment.Methods: PCOS women were recruited using the Rotterdam criteria [mean age (±S.E.M.) 26.4(±1.5)yrs and ...

Introduction: Lipodystrophies are a group of genetic or acquired diseases characterized by abnormal adipose tissue deposition, frequently associated with insulin resistance, diabetes mellitus, dyslipidaemia, hypertension and hepatic steatosis. Congenital generalized lipodystrophy (LCG) is a well-defined syndrome with autosomal recessive heredity, prevalence <1:10million, with about 400 cases being described. Extreme shortage of subcutaneous adipose tissue, muscle hypertrop...

Carcinomas are the third most frequent cause of complications in acromegalic patients. It has been suggested that diabetes potentiates the risk of cancer. To assess the frequency and type of malignant neoplasms in acromegalic patients and control group; to evaluate, in both groups, the relationship between IGF-I/GH and the development of cancer, and between glucose metabolism and cancer in two centers of Buenos Aires, Argentina. Retrospective, cross-sectional study; medical re...

Nonfunctioning pituitary adenomas (NFAs) have no symptoms of hormonal overproduction and can be asymptomatic or have severe symptoms due to mass effects. The aim of our study was to assess clinical features and therapeutic outcomes in patients with clinically NFAs. We retrospectively collected data of 175 patients from 3 hospitals of Buenos Aires. Mean age: 51 years (r:13–90), 52% women, mean follow-up: 7.37 years. At diagnosis, clinical presentation was: visual field def...

Background: PREDIRCAM2 is a web platform for obesity treatment and follow-up. It contains modules for: dietary prescription and registry with nutritional analysis based on individualized and mediterranean dietary goals, physical activity prescription and tracking with individualized targets, and anthropometric tracking. An ongoing multicenter randomized clinical trial evaluates the intervention’s effectiveness in obesity treatment and cardio-metabolic-risk prevention....

Introduction: Obese patients are at an increased risk of develop nonalcoholic fatty liver disease. Evidence supports that bariatric surgery might have an important impact on hepatic profile in obese adults. Literature suggests that bariatric surgery in adolescents might decrease the prevalence of some comorbidities, but information about its impact on liver profile and steatosis and fibrosis risk remains scarce.Aim: To evaluate the impact of bariatric su...

Introduction: Obesity is a complex multifactorial disease and its prevalence in pediatric age has increased. Obesity prejudices the individual metabolic profile due to the adipotoxicity involved in this condition. Bariatric surgery improves the weight of obese patients along with metabolic comorbidities, being today one of the most effective treatments for obesity. Time of exposure to adipotoxicity appears to be an important risk factor for the development of metabolic complic...

Molecular mechanisms involved in lactotrophs cell proliferation that led to prolactinoma development are not fully understood. Cyclin-dependant kinase (CDK) p27Kip1 is a key cell cycle regulator, and it is regulated by Menin. The transgenic mice model MEN1+/-, as the p27 -/- knock-out mice, develop pituitary adenomas and other neuroendocrine tumours. Menin can also interfere with phosphorylated AKT (pAKT) function, known for i...

Insulin autoimmune syndrome (IAS) is a very rare cause of hypoglycaemia in western countries. One proposed mechanism is anti-insulin antibody capture of prandial insulin followed by the dissociation of insulin from anti-insulin antibody. The first objective was to study the relationship between glucose, insulin and C-peptide during a prolonged glucose load in two patients with active IAS. The second was to study the variation of these parameters between the active and the reco...

Introduction: Amiodarone is an antiarrhythmic iodine-rich drug, known to induce thyroid dysfunction both due to its high iodine content and through amiodarone-induced thyrotoxicosis (AIT), being this latter process classified into three different types. Type 1 is associated with increased thyroid hormone synthesis; type 2 is a destructive process with thyroid hormone release and type 3 is thought to be a mixture of the former two. Since treatment options are different, there h...