نتایج جستجو برای: bone turnover
تعداد نتایج: 341303 فیلتر نتایج به سال:
BACKGROUND Individuals with Diabetes Mellitus (DM) are at increased risk for fracture due to the decrease in bone strength and quality. Serum procollagen type I intact N-terminal (P1NP) and serum C-terminal cross-linking telopeptide of type I collagen (CTX) as markers of bone formation and resorption, respectively, have been reported to be decreased in T2DM. It remains unclear whether diabetes-...
10.1586/14750708.4.4.391 © 2 Paget’s disease is characterized by increased bone turnover, and treatment has been revolutionized by the introduction of bisphosphonates. Zoledronic acid is the latest compound to be introduced into clinical practice. It has increased potency in terms of inhibiting critical enzymes needed for osteoclastic bone resorption. This means that small amounts of the drug c...
OBJECTIVE To examine whether changes in cancellous bone turnover and resorption cavity depth contribute to bone loss in patients with non-steroid treated rheumatoid arthritis. METHODS Iliac crest biopsies were obtained from 37 patients with non-steroid treated rheumatoid arthritis, 13 male and 24 female, aged 37-71 years. Bone turnover and resorption cavity characteristics were quantitatively...
Prevalence of adynamic bone disease (ABD), characterized by low bone turnover and absence or a reduced number of osteoblasts and osteoclasts, is increasing steadily over the last years. We present a dialysis patient, with recurrent bone fractures and biopsy-proven ABD, who was treated with teriparatide. Nine months after initiation of treatment, iPTH plasma levels increased to 520 pg/mL and a s...
activity is through modification in bone turnover which occurs through two fundamentally different processes, i.e. modeling and remodeling with the activities of osteoblast and osteoclast cells in the mechanisms of bone formation and bone resorption [3]. A number of biochemical assays have been described for measuring serum and urinary concentration of markers of bone metabolism [4] that allow ...
Biochemical markers of bone-turnover have long been used to complement the radiological assessment of patients with metabolic bone disease. Their implementation in daily clinical practice has been helpful in the understanding of the pathogenesis of osteoporosis, the selection of the optimal dose and the understanding of the progression of the onset and resolution of treatment. Since they are de...
BACKGROUND Skeletal uptake of 99mTc labelled methylene diphosphonate (99mTc-MDP) is used for producing images of pathological bone uptake due to its incorporation to the sites of active bone turnover. This study was done to validate bone turnover markers using total skeletal uptake (TSU) of 99mTc-MDP. METHODS 22 postmenopausal women (52-80 years) volunteered to participate. Scintigraphy was p...
The presence of the translocator protein (TSPO), previously named as the mitochondrial or peripheral benzodiazepine receptor, in bone cells was studied in vitro and in situ using RT-qPCR, and receptor autoradiography using the selective TSPO ligand PK11195.In vitro, the TSPO is highly expressed in osteoblastic and osteoclastic cells.In situ, constitutive expression of TSPO is found in bone marr...
Thyroid hormones affect bone metabolism by altering normal bone remodeling processes. This study involved assessment of biochemical markers of bone turnover in 94 patients with thyroid dysfunction. Clear hypocalcaemia was observed in hypothyroidism while in hyperthyroid patients there was frank hypercalcaemia. In hyperthyroidism there is increased activity of osteoclast which leads to increased...
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