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Previous studies reported that the Tumor Susceptibility Gene 101 (TSG101) is upregulated in selected human malignancies, and the expression of exogenous Tsg101 was suggested to transform immortalized fibroblasts in culture. To date, the potential oncogenic properties of Tsg101 have not been examined in vivo owing to the lack of appropriate model systems. In(More)
Acute histologic and ultrastructural changes, quantification and regional distribution (transmural, circumferential, transaxial) of damaged myocells from anesthetized, open-chested dogs following one hour of intravenous infusions of saline or increasing doses of isoproterenol (0.1, 1.0, 2.5 micrograms/kg/min) or norepinephrine (4.0 micrograms/kg/min) were(More)
Catecholamines have been shown to produce irreversible contraction band lesions of myocardial cells. However, little is known about the temporal appearance and correlation of the acute form of coagulative myocytolysis with ECG, hemodynamic and biochemical parameters. Groups of adult mongrel dogs were anesthetized with sodium pentobarbital, infused(More)
The relationship of subarachnoid hemorrhage and cardiac arrhythmias was studied utilizing a Sprague-Dawley rat model. A total of 30 male animals were divided into five groups and given subarachnoid injections of either blood, blood fractions, or control substances. Blood pressure, intracranial pressure, serum electrolytes, arterial blood gases, hypothalamic(More)
BACKGROUND The exposure to ultrasound technology during medical school education is highly variable across institutions. OBJECTIVES The objectives of this study were to assess medical students' perceptions of ultrasound use to teach Gross Anatomy along with traditional teaching methods, and determine their ability to identify sonographic anatomy after(More)
BACKGROUND The C-terminal Eps15 homology domain-containing protein 1 (EHD1) is ubiquitously expressed and regulates the endocytic trafficking and recycling of membrane components and several transmembrane receptors. To elucidate the function of EHD1 in mammalian development, we generated Ehd1-/- mice using a Cre/loxP system. RESULTS Both male and female(More)
In a single case study of a moderately trained, healthy man, physiologic changes during a marathon are reported. Blood was drawn prior to the race, at 1 hour and 2 hours into the race, at the end of the race, and after 1 hour of recovery. By 1 hour into the race, norepinephrine, epinephrine, and dopamine had increased nearly nine-fold, two-fold and(More)
OBJECTIVE We previously have demonstrated the educational benefits of surgical demonstrations to first-year medical students. The aim of this current study was to analyze the influence of these demonstrations on the perceptions of students toward surgeons and a possible career in surgery. METHODS A faculty member from the Department of Surgery provided an(More)