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CONTEXT Vitamin D receptors are present in many tissues. Hypovitaminosis D is considered to be a risk factor for atherosclerosis. OBJECTIVE This study explores the effects of vitamin D replacement on insulin sensitivity, endothelial function, inflammation, oxidative stress, and leptin in vitamin D-deficient subjects. DESIGN, SETTING, AND PATIENTS(More)
OBJECTIVE Disturbed endothelial function is closely associated with hyperinsulinaemia and insulin resistance in essential hypertension. The aims of this study were: 1) to evaluate whether the two alternative drugs, angiotensin-converting enzyme (ACE) inhibitors and Angiotensin II (Ang II) antagonists, had comparable effects on glucose metabolism and(More)
BACKGROUND Hyperprolactinemia has been reported to be associated with abnormalities of carbohydrate metabolism. The aim of this study was to evaluate the effects of hyperprolactinemia and bromocriptine (Brc) treatment on endothelial function, insulin sensitivity and inflammatory markers in pre-menopausal women. METHODS Sixteen hyperprolactinemic(More)
BACKGROUND There is compelling evidence showing that achieving good glycaemic control reduces the risk of microvascular complications in people with type 1 and type 2 diabetes. Likewise, there is clear evidence to show that achieving good glycaemic control reduces the risk of macrovascular complications in type 1 diabetes. The UKPDS 10-year follow up(More)
This study investigated the effects of acutehyperglycemia on conscious rectal perception in responseto two different rectal distension paradigms. Elevenhealthy males were studied in random order on two separate days during euglycemia andhyperglycemia with blood glucose concentrations clampedto 3.8 ± 0.6 and 14.8 ± 0.86 mmol/liter,respectively. In order to(More)
OBJECTIVE Circulating endothelial cells (CECs) have emerged as vascular damage markers and are increased in type 2 diabetic patients. Since type 1 diabetes is associated with vascular damage, we hypothesized high CEC numbers in this patient population. METHODS Thirty-nine patients with type 1 diabetes and 39 controls were included. CECs were isolated(More)
OBJECTIVE Low serum paraoxonase (PON) activity is thought to be a risk factor for the development of atherosclerosis. The present study was designed to evaluate PON1 activity and its relationship with preatherosclerotic markers such as lipid peroxidation and insulin resistance in hyperthyroid patients before and after propylthiouracil (PTU) treatment and in(More)
In the last decade, studies were first done to determine the frequency of Gsalpha and later thyrotropin receptor (TSHR) mutations in benign autonomously functioning thyroid nodules (AFTN). Different frequencies ranging from 0% to 38% for GSp mutations and from 20% to 86% for TSHR mutations were found. There were only some limited case reports related to(More)
AIM Previous studies have suggested an influence of vitamin D receptor polymorphisms on the development of autoimmune thyroid disease in different ethnic populations. We aimed to investigate the distribution of vitamin D receptor (VDR) alleles in a group of Turkish patients with Hashimoto's thyroiditis (HT). METHODS One hundred and eleven patients(More)
Diabetic foot infections, a frequent and serious cause of morbidity in patients with diabetes mellitus, are caused by anaerobic and aerobic bacteria. Given the fact that seriously impaired host defense factors are almost always present in these patients, bactericidal agents with a broad spectrum of antimicrobial activity are required for their treatment.(More)