Results 301 to 310 of about 212,968 (334)
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Superoxide and bone resorption
Bone, 1994The reaction of superoxide with nitroblue tetrazolium produces an electron-dense diformazan precipitate which can be used to localize areas of superoxide production. Transmission electron microscopy was used to demonstrate that diformazan granules formed by the reaction of nitroblue tetrazolium with excess superoxide are electron dense, whereas ...
L. Lyndon Key +3 more
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Subperiosteal Bone Resorption [PDF]
New England Journal of Medicine, 2014 A 45-year-old man was admitted to the hospital with anorexia, fatigue, and thirst. About 10 years earlier, he had been treated for urinary calculi. Evaluation showed an elevated serum calcium level and a serum intact PTH level of 3844 pg per milliliter (normal range, 10.3 to 65.9).
Yoshio Terada, Takafumi Taguchi
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Bone resorption and bone metastasis risk
Medical Hypotheses, 2018Breast cancer tumors have a tendency to metastasize to the bone. After development of a bone metastasis, the median survival time is 40 months. Currently, little is known about the modifiable risk factors for developing bone metastases in women diagnosed with breast cancer. One possible modifiable risk factor is increased bone resorption.
Kathleen M. Sturgeon +5 more
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Bone resorption and prosthodontics
The Journal of Prosthetic Dentistry, 1973Abstract The phenomenon of bone resorption and its importance to dentistry, specifically prosthodontics, have been briefly reviewed. At a skeletal level, bone resorption is thought to be controlled by the opposing actions of parathyroid hormone and thyrocalcitonin. The importance of vitamin D and phosphate in this mechanism was discussed.
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Bone deposition, bone resorption, and osteosarcoma
Journal of Orthopaedic Research, 2010AbstractBone deposition and bone resorption are ongoing dynamic processes, constituting bone remodeling. Some bone tumors, such as osteosarcoma (OS), stimulate focal bone deposition. OS is the most common primary bone tumor in children and young adults.
Silvia Regina Caminada de Toledo +7 more
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Stimulative effects of cadmium on bone resorption in neonatal pariental bone resorption
Toxicology, 1992Effects of cadmium on bone resorption were investigated using neonatal mouse parietal bone culture system. Cadmium at 0.5 microM and above stimulated hydroxyproline release as well as 45Ca release. As cadmium-stimulated bone resorption was inhibited by calcitonin, bone resorption induced by cadmium is osteoclast-mediated bone resorption.
Masaki Miyata +8 more
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Bone Resorption by Osteoclasts
Science, 2000Osteoporosis, a disease endemic in Western society, typically reflects an imbalance in skeletal turnover so that bone resorption exceeds bone formation. Bone resorption is the unique function of the osteoclast, and anti-osteoporosis therapy to date has targeted this cell.
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Resorption characteristics of bone and bone substitutes
Oral Surgery, Oral Medicine, Oral Pathology, 1964Abstract Resorption of ninety intramuscular implants of different types of bone and bone substitutes were studied radiographically in twenty-two adult mongrel dogs. On the basis of mean resorption time, the implants were resorbed in the following order: (1) plaster of Paris, (2) autogenous cancellous bone, (3) cathode-ray-sterilized canine cancellous
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The effect of insulin on bone resorption
Calcified Tissue Research, 1973the administration of crystalline insulin to thyroparathyroidectomized rats raised their calcium and phosphorus plasma levels. The plasma calcium gave a linear response between 31 and 250 mU of insulin/100 g body weight. The slope obtained is not significantly different from that obtained with parathyroid extract.
M. C. Romano +3 more
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Cortical Bone Resorption in Osteoporosis
Calcified Tissue International, 1997A study was made of 110 women: 35 healthy premenopausal, 40 healthy postmenopausal, and 35 women diagnosed as having postmenopausal osteoporosis. The postmenopausal women had similar ages and years since menopause (YSM). In all of the women, total bone mass was evaluated by dual-energy X-ray absorptiometry and metacarpal morphometry was evaluated by ...
H. Rico +3 more
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