We investigated the requirements of positive and negative selection in the thymus for CD8 interaction and the selecting cell type. Thymic epithelial cells are known to mediate positive selection, whereas thymocytes fail to do so. The reason for this failure could be either the low amount of MHC class I molecules on thymocytes or the lack of other properties required for positive selection. To address this question a CD2.Kb transgenic mouse was prepared in which the expression of the Kb gene i...Expand abstract
- Journal of immunology (Baltimore, Md. : 1950)
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Distinct requirements of positive and negative selection for selecting cell type and CD8 interaction.
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