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31P nuclear magnetic resonance (NMR) spectroscopy was used to ascertain whether propranolol could reduce the development of myocardial acidosis during periods of ischaemic arrest and were studied. Cardiac pH progressively declined during ischaemia from a normal 6.97 +/- 0.02 (n = 23) to 6.09 +/- 0.04 or 5.96 +/- 0.04, respectively. Normalisation of pH(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)
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)
Dendritic cells (DC) are important accessory cells that are capable of initiating an immune response. Generation of functional DC has potential clinical use in treating diseases such as cancer. In this report, we have demonstrated the generation of functional DC from mononuclear cells isolated from human umbilical cord blood cells (UCBC) and peripheral(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)
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)
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)