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Osteoprotegerin (OPG) is a recently discovered member of the TNF receptor superfamily that acts as an important paracrine regulator of bone remodeling. OPG knockout mice develop severe osteoporosis, whereas administration of OPG can prevent ovariectomy-induced bone loss. These findings implicate a role for OPG in the development of osteoporosis. In the(More)
1alpha,25-dihydroxyvitamin D(3) upregulates tumour necrosis factor superfamily member 11 (TNFSF11) that codes for the receptor activator of nuclear factor kappaB ligand (RANKL), and downregulates osteoprotegerin (OPG) expression. We have analyzed the individual effects of polymorphisms in the vitamin D receptor gene (VDR), OPG and TNFSF11, and searched for(More)
Hypopituitary patients have increased mortality from vascular disease, and in these patients, early markers of atherosclerosis [increased carotid artery intima-media thickness (IMT) and reduced distensibility] are more prevalent. As GH replacement can reverse some risk factors of atherosclerosis, the present study examined the effect of GH treatment on(More)
OBJECTIVES Osteoprotegerin (OPG) is a recently discovered member of the tumour necrosis factor receptor superfamily. It plays a crucial role in the control of bone resorption and its gene could therefore be a good candidate gene for osteoporosis. The aim of our work was to find polymorphisms in the OPG gene and to investigate their possible contribution to(More)
OBJECTIVES To determine whether serum levels of potential markers could detect insulin resistance (IR) in young women with polycystic ovary syndrome (PCOS). METHODS Serum levels of fasting glucose, insulin, intact proinsulin, resistin, and adiponectin were measured in 50 women with PCOS and known homeostatic model assessment (HOMA)-IR values (>or=2(More)
Estrogen receptor alpha (ER alpha) encoding gene is one of the candidate genes to be involved in the development of osteoporosis. Until now correlation between three ER gene polymorphisms (identified with PvuII, XbaI and BstUI) and bone mineral density (BMD) have been investigated. The results of these studies are contradictory. Thus the aim of our work was(More)
Bone mineral density (BMD) is the most widely used predictor of fracture risk. We performed the largest meta-analysis to date on lumbar spine and femoral neck BMD, including 17 genome-wide association studies and 32,961 individuals of European and east Asian ancestry. We tested the top BMD-associated markers for replication in 50,933 independent subjects(More)
AIMS Adiponectin and leptin are adipocytokines associated with insulin resistance. The objective of this study was to evaluate the performance of the adiponectin-leptin ratio as a measure of insulin resistance in comparison with other surrogate measures of insulin resistance based on fasting insulin and glucose levels [homeostasis model assessment (HOMA),(More)
Osteoporosis is a common bone disease which affects one in three women after the 60th year of life and is a major cause of morbidity in older people. To identify patients with osteoporosis, measurement of bone mineral density (BMD) is recommended. The association of BMD with vitamin D receptor (VDR) genotype in Slovenian postmenopausal women was studied. We(More)
Insulin resistance is a common characteristic of women with polycystic ovary syndrome (PCOS) who are known to differ in their in-vitro fertilization outcomes compared to non-PCOS patients. As insulin resistance can be found in a considerable proportion of normal individuals, we assessed its contribution to ovarian responsiveness and fertilization rate. 26(More)