نتایج جستجو برای: osteoprotegerin
تعداد نتایج: 2415 فیلتر نتایج به سال:
Mimosine, a plant amino acid, is known to act as a normoxic inducer of hypoxia-inducible factor (HIF). Previous research has suggested that HIF plays important roles in angiogenesis-osteogenesis coupling and bone metabolism. We previously reported that prostaglandin F2α (PGF2α) induced osteoprotegerin synthesis through p38 mitogen-activated protein (MAP) kinase, p44/p42 MAP kinase and stress-ac...
The present study was sought to assess the relative use of eight biomarkers for the detection of bone metastases in cancer forms frequently spreading to the skeleton. Participants were 161 patients with either breast, prostate, or lung cancer. The presence and extent of bone metastases was assessed by imaging techniques (computer tomography and/or magnetic resonance imaging) and Technetium-99m ...
Few data are available on the ability of bone markers to predict the symptomatic response to bisphosphonate therapy in patients with painful bone metastases. We evaluated the levels of bone markers in patients with bone metastases receiving pamidronate and determined the corresponding analgesic response. Forty-two patients were administered two two-week cycles of intravenous pamidronate 60 mg/w...
In colorectal cancer, immune effectors may be determinative for disease outcome. Following curatively intended combined-modality therapy in locally advanced rectal cancer metastatic disease still remains a dominant cause of failure. Here, we investigated whether circulating immune factors might correlate with outcome. An antibody array was applied to assay changes of approximately 500 proteins ...
AIM AND BACKGROUND The aim of the present study was to evaluate correlations between serum osteocalcin, osteoprotegerin and NTX (Cross-linked N-telopeptides of Type I Collagen) and urinary NTX in breast and lung cancer patients with bone metastases. These four markers are considered to have important roles in bone formation, resorption and metastases. METHODS Four markers were determined in t...
Objectives: To assess and compare the quantity quality of newly bone generated when using chitosan-based gel scaffold osteoprotegerin-chitosan scaffold. Methods: A total 18 critical-sized defects on New Zealand white rabbit craniums were created. In 12 defects, either chitosan or was implanted last six kept unfilled as a control. Bone formation examined at 6 weeks. Bone’s specimens scanned High...
The cerebrovascular Doppler examination (CDE) and oculopneumoplethysmography (OPG-Gee) were compared in a single population group with no statistically significant difference found between the 2 studies. There appeared to be an advantage to combinant testing, for when the results of the 2 studies were concordant there was an accuracy of 94% and a false negative rate of 8%. Clinical correlation ...
This paper presents an automatic method for the segmentation, internal classification and follow-up of optic pathway gliomas (OPGs) from multi-sequence MRI datasets. Our method starts with the automatic localization of the OPG and its core with an anatomical atlas followed by a binary voxel classification with a probabilistic tissue model whose parameters are estimated from the MR images. The m...
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