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BACKGROUND AND STUDY AIMS It is known that metal stent placement is safe, easy, and effective for the treatment of malignant colorectal obstruction, but these stents are associated with delayed complications of tumor ingrowth and stent migration. The aim of this study was to prospectively investigate the technical feasibility, clinical effectiveness, and(More)
The stromal cells of three cystosarcoma phyllodes, five typical fibroadenomas, and one juvenile fibroadenoma were studied by light and electron microscopy. Immunohistochemical staining for the S-100 protein also was performed on tissues from each of the three categories. On ultrastructural examination, cells comprising the three varieties of lesions were(More)
1. Disruption of calcium homeostasis during neurodegenerative diseases is known to trigger apoptotic or necrotic death in neuronal cells. Recently, the authors reported that intracellular calcium restriction by NMDA receptor antagonists induces apoptosis in cortical cultures. To evaluate whether further restriction of intracellular free calcium can induce(More)
We studied whether eugenol provides neuroprotection against delayed neuronal death in the hippocampal CA1 region following a 5 min occlusion of the common carotid arteries bilaterally under either free-regulating temperature (TF) or maintained temperature (TM, 37 degrees C) conditions in gerbils. Right after occlusion of the carotid arteries, we injected(More)
Following diagnosis of scrapie in a clinically suspect Suffolk sheep, 7 clinically normal flockmates were purchased by the Pennsylvania Department of Agriculture to determine their scrapie status using an immunohistochemical procedure. Two of the 7 euthanized healthy sheep had positive immunohistochemical staining of the prion protein of scrapie (PrP-Sc) in(More)
Intracerebral inoculation of susceptible strains of mice with Theiler's murine encephalomyelitis virus (TMEV) results in immune-mediated demyelinating disease. We examined the pathogenic roles of nitric oxide (NO) and inducible NO synthase (iNOS) in TMEV-induced demyelinating disease (TMEV-IDD). The presence of iNOS was confirmed in the spinal cords of(More)
In China, Japan, and Korea, placenta hominis extracts (PHEs) are used clinically for the treatment of osteoporosis. The anti-osteoporotic effect of PHEs was studied. The trabecular bone area and thickness in OVX rats decreased by 50% from those in sham-operated rats; these decreases were completely inhibited by administration of PHEs for 7 weeks. Osteoclast(More)
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