Endocrine Abstracts

Objective: The purpose of the study was to investigate osteoprotegerin (OPG) and receptor activator of nuclear factor kappa-B ligand (RANK-L) levels in acromegaly patients with regard to the disease activity. The associations between OPG, RANK-L and random growth hormone (GH), insulin-like growth factor 1 (IGF-1), lumbar spine (LS) bone mineral density (BMD), femoral neck (FN) BMD were also evaluated.Methods: A study group included 72 patients with acrom...

Introduction: Sclerostin is well-known as an inhibitor of bone formation but also promotes bone resorption. Acromegaly is a disease characterized by increased bone turnover and higher vertebral fracture risk.Purpose: The aim of the study was to determine sclerostin levels in acromegaly patients with regard to the disease activity. We also evaluated the associations between sclerostin and random growth hormone (GH), insulin-like growth factor 1 (IGF-I), l...

Background: Sclerostin is a protein secreted by osteocytes, that inhibits Wnt/ βcatenin signaling and was suggested to play a role in glucocorticoid-induced osteoporosis in mice. In humans data are inconsistent. Patients with primary adrenal insufficiency need lifelong replacement therapy with glucocorticoids and mineralocorticoids, which may influence their bone quality.Aim: The aim of the study was to evaluate sclerostin concentrations, densitomet...

Introduction: Acromegaly is a rare diseaseresulting most commonly from pituitary adenoma. A chronic increase of growth hormone (GH) and insulin-like factor 1 (IGF-1) leads to many systemic complications including osteoporosis and fractures. Radiofrequency echographic multi-spectrometry (REMS) is a new non-ionizing technique to diagnose osteoporosis.Purpose: The objective of the study was to evaluate bone mineral density (BMD) by REMS in patient...

Background: Acromegaly is a rare disease, mostly caused by a GH (growth hormone)-secreting pituitary adenoma. The pathomechanism of bone complications remains not fully explored. The fibroblast growth factor-23 (FGF-23)/Klotho axis regulates phosphate and vitamin D metabolism.Objectives: The study aimed primarily at evaluating FGF-23 and Klotho concentrations with regard to acromegaly activity. The secondary goal was to identify associations between FGF-...

Acromegaly is characterized by two-fold higher mortality than in the general population. The leading causes of morbidity and mortality in patients with acromegaly are cardiovascular diseases (CVD). Many population-based studies suggest a role of genetic background in CVD and associated metabolic disturbances. In 2007, FTO (fat mass and obesity associated) gene polymorphisms were discovered. According to a few studies, the polymorphisms of FTO gene are associated with ...

Skeletal muscle constitutes the largest endocrine organ in human body through capability of secreting myokines, which biological activity plays a key role in energy homeostasis. Among the myokines irisin (Ir) is of particular interest, considering it’s broad spectrum of protective influence on obesity and metabolic diseases development, determining therapeutical potential of this molecule. Latest studies indicate close interrelations between Ir and myostatin (Mstn), myok...

Acromegaly is a rare disease, caused by an excessive secretion of growth hormone (GH), and consequently the insulin like growth factor 1 (IGF-1). Patients with acromegaly have an increased risk of fractures, which might be correlated with insufficient quality of bone. It is known that use of FRAX in acromegaly is not validated, however we do not have other useful tools to assess real risk for fractures. The new valuable tool in the assessment of bone structure is the trabecula...