Leah R Eisenberg

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Although ethics is an essential component of undergraduate medical education, research suggests that current medical ethics curricula face considerable challenges in improving students' ethical reasoning. This article discusses these challenges and introduces a promising new mode of graduate and professional ethics instruction for overcoming them. We begin(More)
Human and mouse hypoxanthine-guanine phosphoribosyltransferase subunits combine to form an active heteropolymer. Dimers form the basic subunit structure of the enzymes, yet the dimers can readily associate to form tetramers. The equilibrium between dimers and tetramers is significantly influenced by the ionic strength of the enzyme solvent.
Ficoll gradients have been used to enrich for heterokaryons in cultures of human skin fibroblasts following polyethylene glycol (PEG) induced fusion. These gradients provide a simple and consistent method for obtaining populations of multinucleated cells, at least twofold greater than those resulting from fusion alone. Formation of glucose-6-phosphate(More)
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