Antigen and memory CD8 T cells: were they both right?
: Picture yourself as a researcher in immunology. To begin your project, you ask a question: Do CD8 T cells require antigen to maintain a memory response? This question is of prime importance to numerous medical fields. In chronologic order, you digest the literature, but unfortunately, you hit a major stumbling block in the 1990s. The crux of the problem is that which so often happens in science: two well-recognized, capable groups emerge with diametrically opposed conclusions, leaving you pondering which set of wellcontrolled data to believe. Fortunately, years later, a surprising group of articles sheds light on this mystery and subtly reconciles these two positions.
Department of Microbiology and Infectious Diseases, University of Calgary, Calgary, AB; currently Department of Internal Medicine, Cleveland Clinic, Cleveland, OH.
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